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-rw-r--r--mesalib/src/mesa/main/api_arrayelt.c2
-rw-r--r--mesalib/src/mesa/main/api_exec.c1
-rw-r--r--mesalib/src/mesa/main/attrib.c3110
-rw-r--r--mesalib/src/mesa/main/blend.c1644
-rw-r--r--mesalib/src/mesa/main/bufferobj.c14
-rw-r--r--mesalib/src/mesa/main/bufferobj.h298
-rw-r--r--mesalib/src/mesa/main/colortab.c1642
-rw-r--r--mesalib/src/mesa/main/compiler.h24
-rw-r--r--mesalib/src/mesa/main/debug.c1268
-rw-r--r--mesalib/src/mesa/main/debug.h188
-rw-r--r--mesalib/src/mesa/main/depth.c348
-rw-r--r--mesalib/src/mesa/main/dlopen.c6
-rw-r--r--mesalib/src/mesa/main/drawpix.c604
-rw-r--r--mesalib/src/mesa/main/extensions.c1988
-rw-r--r--mesalib/src/mesa/main/fbobject.c4924
-rw-r--r--mesalib/src/mesa/main/formats.c3396
-rw-r--r--mesalib/src/mesa/main/formats.h502
-rw-r--r--mesalib/src/mesa/main/get.c5054
-rw-r--r--mesalib/src/mesa/main/glheader.h334
-rw-r--r--mesalib/src/mesa/main/hint.c294
-rw-r--r--mesalib/src/mesa/main/image.c3782
-rw-r--r--mesalib/src/mesa/main/imports.h1242
-rw-r--r--mesalib/src/mesa/main/lines.c234
-rw-r--r--mesalib/src/mesa/main/mipmap.c4054
-rw-r--r--mesalib/src/mesa/main/mtypes.h6714
-rw-r--r--mesalib/src/mesa/main/pixel.c1398
-rw-r--r--mesalib/src/mesa/main/polygon.c644
-rw-r--r--mesalib/src/mesa/main/queryobj.c10
-rw-r--r--mesalib/src/mesa/main/state.c1468
-rw-r--r--mesalib/src/mesa/main/stencil.c1228
-rw-r--r--mesalib/src/mesa/main/syncobj.c12
-rw-r--r--mesalib/src/mesa/main/syncobj.h12
-rw-r--r--mesalib/src/mesa/main/texcompress.c576
-rw-r--r--mesalib/src/mesa/main/texcompress_rgtc.c920
-rw-r--r--mesalib/src/mesa/main/texcompress_rgtc.h154
-rw-r--r--mesalib/src/mesa/main/texcompress_rgtc_tmp.h836
-rw-r--r--mesalib/src/mesa/main/texcompress_s3tc.c4
-rw-r--r--mesalib/src/mesa/main/texfetch.c1900
-rw-r--r--mesalib/src/mesa/main/texformat.c1312
-rw-r--r--mesalib/src/mesa/main/texgetimage.c1836
-rw-r--r--mesalib/src/mesa/main/teximage.c7048
-rw-r--r--mesalib/src/mesa/main/texobj.c2534
-rw-r--r--mesalib/src/mesa/main/texstate.c1682
-rw-r--r--mesalib/src/mesa/main/texstore.h418
44 files changed, 32820 insertions, 32839 deletions
diff --git a/mesalib/src/mesa/main/api_arrayelt.c b/mesalib/src/mesa/main/api_arrayelt.c
index 080c20606..3c59e9be3 100644
--- a/mesalib/src/mesa/main/api_arrayelt.c
+++ b/mesalib/src/mesa/main/api_arrayelt.c
@@ -51,7 +51,7 @@ typedef struct {
int offset;
} AEarray;
-typedef void (GLAPIENTRY *attrib_func)( GLuint indx, const void *data );
+typedef void (*attrib_func)( GLuint indx, const void *data );
typedef struct {
const struct gl_client_array *array;
diff --git a/mesalib/src/mesa/main/api_exec.c b/mesalib/src/mesa/main/api_exec.c
index 4101ac424..be14d6272 100644
--- a/mesalib/src/mesa/main/api_exec.c
+++ b/mesalib/src/mesa/main/api_exec.c
@@ -105,7 +105,6 @@
#if FEATURE_GL
-
/**
* Initialize a dispatch table with pointers to Mesa's immediate-mode
* commands.
diff --git a/mesalib/src/mesa/main/attrib.c b/mesalib/src/mesa/main/attrib.c
index ae7f633b8..3a6239afd 100644
--- a/mesalib/src/mesa/main/attrib.c
+++ b/mesalib/src/mesa/main/attrib.c
@@ -1,1555 +1,1555 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.6
- *
- * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
- * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#include "glheader.h"
-#include "imports.h"
-#include "accum.h"
-#include "arrayobj.h"
-#include "attrib.h"
-#include "blend.h"
-#include "buffers.h"
-#include "bufferobj.h"
-#include "clear.h"
-#include "colormac.h"
-#include "context.h"
-#include "depth.h"
-#include "enable.h"
-#include "enums.h"
-#include "fog.h"
-#include "hint.h"
-#include "light.h"
-#include "lines.h"
-#include "macros.h"
-#include "matrix.h"
-#include "mfeatures.h"
-#include "multisample.h"
-#include "points.h"
-#include "polygon.h"
-#include "scissor.h"
-#include "stencil.h"
-#include "texenv.h"
-#include "texgen.h"
-#include "texobj.h"
-#include "texparam.h"
-#include "texstate.h"
-#include "varray.h"
-#include "viewport.h"
-#include "mtypes.h"
-#include "main/dispatch.h"
-
-
-/**
- * glEnable()/glDisable() attribute group (GL_ENABLE_BIT).
- */
-struct gl_enable_attrib
-{
- GLboolean AlphaTest;
- GLboolean AutoNormal;
- GLboolean Blend;
- GLbitfield ClipPlanes;
- GLboolean ColorMaterial;
- GLboolean CullFace;
- GLboolean DepthClamp;
- GLboolean DepthTest;
- GLboolean Dither;
- GLboolean Fog;
- GLboolean Light[MAX_LIGHTS];
- GLboolean Lighting;
- GLboolean LineSmooth;
- GLboolean LineStipple;
- GLboolean IndexLogicOp;
- GLboolean ColorLogicOp;
-
- GLboolean Map1Color4;
- GLboolean Map1Index;
- GLboolean Map1Normal;
- GLboolean Map1TextureCoord1;
- GLboolean Map1TextureCoord2;
- GLboolean Map1TextureCoord3;
- GLboolean Map1TextureCoord4;
- GLboolean Map1Vertex3;
- GLboolean Map1Vertex4;
- GLboolean Map1Attrib[16]; /* GL_NV_vertex_program */
- GLboolean Map2Color4;
- GLboolean Map2Index;
- GLboolean Map2Normal;
- GLboolean Map2TextureCoord1;
- GLboolean Map2TextureCoord2;
- GLboolean Map2TextureCoord3;
- GLboolean Map2TextureCoord4;
- GLboolean Map2Vertex3;
- GLboolean Map2Vertex4;
- GLboolean Map2Attrib[16]; /* GL_NV_vertex_program */
-
- GLboolean Normalize;
- GLboolean PixelTexture;
- GLboolean PointSmooth;
- GLboolean PolygonOffsetPoint;
- GLboolean PolygonOffsetLine;
- GLboolean PolygonOffsetFill;
- GLboolean PolygonSmooth;
- GLboolean PolygonStipple;
- GLboolean RescaleNormals;
- GLboolean Scissor;
- GLboolean Stencil;
- GLboolean StencilTwoSide; /* GL_EXT_stencil_two_side */
- GLboolean MultisampleEnabled; /* GL_ARB_multisample */
- GLboolean SampleAlphaToCoverage; /* GL_ARB_multisample */
- GLboolean SampleAlphaToOne; /* GL_ARB_multisample */
- GLboolean SampleCoverage; /* GL_ARB_multisample */
- GLboolean SampleCoverageInvert; /* GL_ARB_multisample */
- GLboolean RasterPositionUnclipped; /* GL_IBM_rasterpos_clip */
-
- GLbitfield Texture[MAX_TEXTURE_UNITS];
- GLbitfield TexGen[MAX_TEXTURE_UNITS];
-
- /* GL_ARB_vertex_program / GL_NV_vertex_program */
- GLboolean VertexProgram;
- GLboolean VertexProgramPointSize;
- GLboolean VertexProgramTwoSide;
-
- /* GL_ARB_point_sprite / GL_NV_point_sprite */
- GLboolean PointSprite;
- GLboolean FragmentShaderATI;
-};
-
-
-/**
- * Node for the attribute stack.
- */
-struct gl_attrib_node
-{
- GLbitfield kind;
- void *data;
- struct gl_attrib_node *next;
-};
-
-
-
-/**
- * Special struct for saving/restoring texture state (GL_TEXTURE_BIT)
- */
-struct texture_state
-{
- struct gl_texture_attrib Texture; /**< The usual context state */
-
- /** to save per texture object state (wrap modes, filters, etc): */
- struct gl_texture_object SavedObj[MAX_TEXTURE_UNITS][NUM_TEXTURE_TARGETS];
-
- /**
- * To save references to texture objects (so they don't get accidentally
- * deleted while saved in the attribute stack).
- */
- struct gl_texture_object *SavedTexRef[MAX_TEXTURE_UNITS][NUM_TEXTURE_TARGETS];
-};
-
-
-#if FEATURE_attrib_stack
-
-
-/**
- * Allocate new attribute node of given type/kind. Attach payload data.
- * Insert it into the linked list named by 'head'.
- */
-static void
-save_attrib_data(struct gl_attrib_node **head,
- GLbitfield kind, void *payload)
-{
- struct gl_attrib_node *n = MALLOC_STRUCT(gl_attrib_node);
- if (n) {
- n->kind = kind;
- n->data = payload;
- /* insert at head */
- n->next = *head;
- *head = n;
- }
- else {
- /* out of memory! */
- }
-}
-
-
-void GLAPIENTRY
-_mesa_PushAttrib(GLbitfield mask)
-{
- struct gl_attrib_node *head;
-
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glPushAttrib %x\n", (int) mask);
-
- if (ctx->AttribStackDepth >= MAX_ATTRIB_STACK_DEPTH) {
- _mesa_error( ctx, GL_STACK_OVERFLOW, "glPushAttrib" );
- return;
- }
-
- /* Build linked list of attribute nodes which save all attribute */
- /* groups specified by the mask. */
- head = NULL;
-
- if (mask & GL_ACCUM_BUFFER_BIT) {
- struct gl_accum_attrib *attr;
- attr = MALLOC_STRUCT( gl_accum_attrib );
- memcpy( attr, &ctx->Accum, sizeof(struct gl_accum_attrib) );
- save_attrib_data(&head, GL_ACCUM_BUFFER_BIT, attr);
- }
-
- if (mask & GL_COLOR_BUFFER_BIT) {
- GLuint i;
- struct gl_colorbuffer_attrib *attr;
- attr = MALLOC_STRUCT( gl_colorbuffer_attrib );
- memcpy( attr, &ctx->Color, sizeof(struct gl_colorbuffer_attrib) );
- /* push the Draw FBO's DrawBuffer[] state, not ctx->Color.DrawBuffer[] */
- for (i = 0; i < ctx->Const.MaxDrawBuffers; i ++)
- attr->DrawBuffer[i] = ctx->DrawBuffer->ColorDrawBuffer[i];
- save_attrib_data(&head, GL_COLOR_BUFFER_BIT, attr);
- }
-
- if (mask & GL_CURRENT_BIT) {
- struct gl_current_attrib *attr;
- FLUSH_CURRENT( ctx, 0 );
- attr = MALLOC_STRUCT( gl_current_attrib );
- memcpy( attr, &ctx->Current, sizeof(struct gl_current_attrib) );
- save_attrib_data(&head, GL_CURRENT_BIT, attr);
- }
-
- if (mask & GL_DEPTH_BUFFER_BIT) {
- struct gl_depthbuffer_attrib *attr;
- attr = MALLOC_STRUCT( gl_depthbuffer_attrib );
- memcpy( attr, &ctx->Depth, sizeof(struct gl_depthbuffer_attrib) );
- save_attrib_data(&head, GL_DEPTH_BUFFER_BIT, attr);
- }
-
- if (mask & GL_ENABLE_BIT) {
- struct gl_enable_attrib *attr;
- GLuint i;
- attr = MALLOC_STRUCT( gl_enable_attrib );
- /* Copy enable flags from all other attributes into the enable struct. */
- attr->AlphaTest = ctx->Color.AlphaEnabled;
- attr->AutoNormal = ctx->Eval.AutoNormal;
- attr->Blend = ctx->Color.BlendEnabled;
- attr->ClipPlanes = ctx->Transform.ClipPlanesEnabled;
- attr->ColorMaterial = ctx->Light.ColorMaterialEnabled;
- attr->CullFace = ctx->Polygon.CullFlag;
- attr->DepthClamp = ctx->Transform.DepthClamp;
- attr->DepthTest = ctx->Depth.Test;
- attr->Dither = ctx->Color.DitherFlag;
- attr->Fog = ctx->Fog.Enabled;
- for (i = 0; i < ctx->Const.MaxLights; i++) {
- attr->Light[i] = ctx->Light.Light[i].Enabled;
- }
- attr->Lighting = ctx->Light.Enabled;
- attr->LineSmooth = ctx->Line.SmoothFlag;
- attr->LineStipple = ctx->Line.StippleFlag;
- attr->IndexLogicOp = ctx->Color.IndexLogicOpEnabled;
- attr->ColorLogicOp = ctx->Color.ColorLogicOpEnabled;
- attr->Map1Color4 = ctx->Eval.Map1Color4;
- attr->Map1Index = ctx->Eval.Map1Index;
- attr->Map1Normal = ctx->Eval.Map1Normal;
- attr->Map1TextureCoord1 = ctx->Eval.Map1TextureCoord1;
- attr->Map1TextureCoord2 = ctx->Eval.Map1TextureCoord2;
- attr->Map1TextureCoord3 = ctx->Eval.Map1TextureCoord3;
- attr->Map1TextureCoord4 = ctx->Eval.Map1TextureCoord4;
- attr->Map1Vertex3 = ctx->Eval.Map1Vertex3;
- attr->Map1Vertex4 = ctx->Eval.Map1Vertex4;
- memcpy(attr->Map1Attrib, ctx->Eval.Map1Attrib, sizeof(ctx->Eval.Map1Attrib));
- attr->Map2Color4 = ctx->Eval.Map2Color4;
- attr->Map2Index = ctx->Eval.Map2Index;
- attr->Map2Normal = ctx->Eval.Map2Normal;
- attr->Map2TextureCoord1 = ctx->Eval.Map2TextureCoord1;
- attr->Map2TextureCoord2 = ctx->Eval.Map2TextureCoord2;
- attr->Map2TextureCoord3 = ctx->Eval.Map2TextureCoord3;
- attr->Map2TextureCoord4 = ctx->Eval.Map2TextureCoord4;
- attr->Map2Vertex3 = ctx->Eval.Map2Vertex3;
- attr->Map2Vertex4 = ctx->Eval.Map2Vertex4;
- memcpy(attr->Map2Attrib, ctx->Eval.Map2Attrib, sizeof(ctx->Eval.Map2Attrib));
- attr->Normalize = ctx->Transform.Normalize;
- attr->RasterPositionUnclipped = ctx->Transform.RasterPositionUnclipped;
- attr->PointSmooth = ctx->Point.SmoothFlag;
- attr->PointSprite = ctx->Point.PointSprite;
- attr->PolygonOffsetPoint = ctx->Polygon.OffsetPoint;
- attr->PolygonOffsetLine = ctx->Polygon.OffsetLine;
- attr->PolygonOffsetFill = ctx->Polygon.OffsetFill;
- attr->PolygonSmooth = ctx->Polygon.SmoothFlag;
- attr->PolygonStipple = ctx->Polygon.StippleFlag;
- attr->RescaleNormals = ctx->Transform.RescaleNormals;
- attr->Scissor = ctx->Scissor.Enabled;
- attr->Stencil = ctx->Stencil.Enabled;
- attr->StencilTwoSide = ctx->Stencil.TestTwoSide;
- attr->MultisampleEnabled = ctx->Multisample.Enabled;
- attr->SampleAlphaToCoverage = ctx->Multisample.SampleAlphaToCoverage;
- attr->SampleAlphaToOne = ctx->Multisample.SampleAlphaToOne;
- attr->SampleCoverage = ctx->Multisample.SampleCoverage;
- attr->SampleCoverageInvert = ctx->Multisample.SampleCoverageInvert;
- for (i = 0; i < ctx->Const.MaxTextureUnits; i++) {
- attr->Texture[i] = ctx->Texture.Unit[i].Enabled;
- attr->TexGen[i] = ctx->Texture.Unit[i].TexGenEnabled;
- }
- /* GL_NV_vertex_program */
- attr->VertexProgram = ctx->VertexProgram.Enabled;
- attr->VertexProgramPointSize = ctx->VertexProgram.PointSizeEnabled;
- attr->VertexProgramTwoSide = ctx->VertexProgram.TwoSideEnabled;
- save_attrib_data(&head, GL_ENABLE_BIT, attr);
- }
-
- if (mask & GL_EVAL_BIT) {
- struct gl_eval_attrib *attr;
- attr = MALLOC_STRUCT( gl_eval_attrib );
- memcpy( attr, &ctx->Eval, sizeof(struct gl_eval_attrib) );
- save_attrib_data(&head, GL_EVAL_BIT, attr);
- }
-
- if (mask & GL_FOG_BIT) {
- struct gl_fog_attrib *attr;
- attr = MALLOC_STRUCT( gl_fog_attrib );
- memcpy( attr, &ctx->Fog, sizeof(struct gl_fog_attrib) );
- save_attrib_data(&head, GL_FOG_BIT, attr);
- }
-
- if (mask & GL_HINT_BIT) {
- struct gl_hint_attrib *attr;
- attr = MALLOC_STRUCT( gl_hint_attrib );
- memcpy( attr, &ctx->Hint, sizeof(struct gl_hint_attrib) );
- save_attrib_data(&head, GL_HINT_BIT, attr);
- }
-
- if (mask & GL_LIGHTING_BIT) {
- struct gl_light_attrib *attr;
- FLUSH_CURRENT(ctx, 0); /* flush material changes */
- attr = MALLOC_STRUCT( gl_light_attrib );
- memcpy( attr, &ctx->Light, sizeof(struct gl_light_attrib) );
- save_attrib_data(&head, GL_LIGHTING_BIT, attr);
- }
-
- if (mask & GL_LINE_BIT) {
- struct gl_line_attrib *attr;
- attr = MALLOC_STRUCT( gl_line_attrib );
- memcpy( attr, &ctx->Line, sizeof(struct gl_line_attrib) );
- save_attrib_data(&head, GL_LINE_BIT, attr);
- }
-
- if (mask & GL_LIST_BIT) {
- struct gl_list_attrib *attr;
- attr = MALLOC_STRUCT( gl_list_attrib );
- memcpy( attr, &ctx->List, sizeof(struct gl_list_attrib) );
- save_attrib_data(&head, GL_LIST_BIT, attr);
- }
-
- if (mask & GL_PIXEL_MODE_BIT) {
- struct gl_pixel_attrib *attr;
- attr = MALLOC_STRUCT( gl_pixel_attrib );
- memcpy( attr, &ctx->Pixel, sizeof(struct gl_pixel_attrib) );
- /* push the Read FBO's ReadBuffer state, not ctx->Pixel.ReadBuffer */
- attr->ReadBuffer = ctx->ReadBuffer->ColorReadBuffer;
- save_attrib_data(&head, GL_PIXEL_MODE_BIT, attr);
- }
-
- if (mask & GL_POINT_BIT) {
- struct gl_point_attrib *attr;
- attr = MALLOC_STRUCT( gl_point_attrib );
- memcpy( attr, &ctx->Point, sizeof(struct gl_point_attrib) );
- save_attrib_data(&head, GL_POINT_BIT, attr);
- }
-
- if (mask & GL_POLYGON_BIT) {
- struct gl_polygon_attrib *attr;
- attr = MALLOC_STRUCT( gl_polygon_attrib );
- memcpy( attr, &ctx->Polygon, sizeof(struct gl_polygon_attrib) );
- save_attrib_data(&head, GL_POLYGON_BIT, attr);
- }
-
- if (mask & GL_POLYGON_STIPPLE_BIT) {
- GLuint *stipple;
- stipple = (GLuint *) MALLOC( 32*sizeof(GLuint) );
- memcpy( stipple, ctx->PolygonStipple, 32*sizeof(GLuint) );
- save_attrib_data(&head, GL_POLYGON_STIPPLE_BIT, stipple);
- }
-
- if (mask & GL_SCISSOR_BIT) {
- struct gl_scissor_attrib *attr;
- attr = MALLOC_STRUCT( gl_scissor_attrib );
- memcpy( attr, &ctx->Scissor, sizeof(struct gl_scissor_attrib) );
- save_attrib_data(&head, GL_SCISSOR_BIT, attr);
- }
-
- if (mask & GL_STENCIL_BUFFER_BIT) {
- struct gl_stencil_attrib *attr;
- attr = MALLOC_STRUCT( gl_stencil_attrib );
- memcpy( attr, &ctx->Stencil, sizeof(struct gl_stencil_attrib) );
- save_attrib_data(&head, GL_STENCIL_BUFFER_BIT, attr);
- }
-
- if (mask & GL_TEXTURE_BIT) {
- struct texture_state *texstate = CALLOC_STRUCT(texture_state);
- GLuint u, tex;
-
- if (!texstate) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glPushAttrib(GL_TEXTURE_BIT)");
- goto end;
- }
-
- _mesa_lock_context_textures(ctx);
-
- /* copy/save the bulk of texture state here */
- memcpy(&texstate->Texture, &ctx->Texture, sizeof(ctx->Texture));
-
- /* Save references to the currently bound texture objects so they don't
- * accidentally get deleted while referenced in the attribute stack.
- */
- for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
- for (tex = 0; tex < NUM_TEXTURE_TARGETS; tex++) {
- _mesa_reference_texobj(&texstate->SavedTexRef[u][tex],
- ctx->Texture.Unit[u].CurrentTex[tex]);
- }
- }
-
- /* copy state/contents of the currently bound texture objects */
- for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
- for (tex = 0; tex < NUM_TEXTURE_TARGETS; tex++) {
- _mesa_copy_texture_object(&texstate->SavedObj[u][tex],
- ctx->Texture.Unit[u].CurrentTex[tex]);
- }
- }
-
- _mesa_unlock_context_textures(ctx);
-
- save_attrib_data(&head, GL_TEXTURE_BIT, texstate);
- }
-
- if (mask & GL_TRANSFORM_BIT) {
- struct gl_transform_attrib *attr;
- attr = MALLOC_STRUCT( gl_transform_attrib );
- memcpy( attr, &ctx->Transform, sizeof(struct gl_transform_attrib) );
- save_attrib_data(&head, GL_TRANSFORM_BIT, attr);
- }
-
- if (mask & GL_VIEWPORT_BIT) {
- struct gl_viewport_attrib *attr;
- attr = MALLOC_STRUCT( gl_viewport_attrib );
- memcpy( attr, &ctx->Viewport, sizeof(struct gl_viewport_attrib) );
- save_attrib_data(&head, GL_VIEWPORT_BIT, attr);
- }
-
- /* GL_ARB_multisample */
- if (mask & GL_MULTISAMPLE_BIT_ARB) {
- struct gl_multisample_attrib *attr;
- attr = MALLOC_STRUCT( gl_multisample_attrib );
- memcpy( attr, &ctx->Multisample, sizeof(struct gl_multisample_attrib) );
- save_attrib_data(&head, GL_MULTISAMPLE_BIT_ARB, attr);
- }
-
-end:
- ctx->AttribStack[ctx->AttribStackDepth] = head;
- ctx->AttribStackDepth++;
-}
-
-
-
-static void
-pop_enable_group(struct gl_context *ctx, const struct gl_enable_attrib *enable)
-{
- const GLuint curTexUnitSave = ctx->Texture.CurrentUnit;
- GLuint i;
-
-#define TEST_AND_UPDATE(VALUE, NEWVALUE, ENUM) \
- if ((VALUE) != (NEWVALUE)) { \
- _mesa_set_enable( ctx, ENUM, (NEWVALUE) ); \
- }
-
- TEST_AND_UPDATE(ctx->Color.AlphaEnabled, enable->AlphaTest, GL_ALPHA_TEST);
- if (ctx->Color.BlendEnabled != enable->Blend) {
- if (ctx->Extensions.EXT_draw_buffers2) {
- GLuint i;
- for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) {
- _mesa_set_enablei(ctx, GL_BLEND, i, (enable->Blend >> i) & 1);
- }
- }
- else {
- _mesa_set_enable(ctx, GL_BLEND, (enable->Blend & 1));
- }
- }
-
- for (i=0;i<MAX_CLIP_PLANES;i++) {
- const GLuint mask = 1 << i;
- if ((ctx->Transform.ClipPlanesEnabled & mask) != (enable->ClipPlanes & mask))
- _mesa_set_enable(ctx, (GLenum) (GL_CLIP_PLANE0 + i),
- (GLboolean) ((enable->ClipPlanes & mask) ? GL_TRUE : GL_FALSE));
- }
-
- TEST_AND_UPDATE(ctx->Light.ColorMaterialEnabled, enable->ColorMaterial,
- GL_COLOR_MATERIAL);
- TEST_AND_UPDATE(ctx->Polygon.CullFlag, enable->CullFace, GL_CULL_FACE);
- TEST_AND_UPDATE(ctx->Transform.DepthClamp, enable->DepthClamp,
- GL_DEPTH_CLAMP);
- TEST_AND_UPDATE(ctx->Depth.Test, enable->DepthTest, GL_DEPTH_TEST);
- TEST_AND_UPDATE(ctx->Color.DitherFlag, enable->Dither, GL_DITHER);
- TEST_AND_UPDATE(ctx->Fog.Enabled, enable->Fog, GL_FOG);
- TEST_AND_UPDATE(ctx->Light.Enabled, enable->Lighting, GL_LIGHTING);
- TEST_AND_UPDATE(ctx->Line.SmoothFlag, enable->LineSmooth, GL_LINE_SMOOTH);
- TEST_AND_UPDATE(ctx->Line.StippleFlag, enable->LineStipple,
- GL_LINE_STIPPLE);
- TEST_AND_UPDATE(ctx->Color.IndexLogicOpEnabled, enable->IndexLogicOp,
- GL_INDEX_LOGIC_OP);
- TEST_AND_UPDATE(ctx->Color.ColorLogicOpEnabled, enable->ColorLogicOp,
- GL_COLOR_LOGIC_OP);
-
- TEST_AND_UPDATE(ctx->Eval.Map1Color4, enable->Map1Color4, GL_MAP1_COLOR_4);
- TEST_AND_UPDATE(ctx->Eval.Map1Index, enable->Map1Index, GL_MAP1_INDEX);
- TEST_AND_UPDATE(ctx->Eval.Map1Normal, enable->Map1Normal, GL_MAP1_NORMAL);
- TEST_AND_UPDATE(ctx->Eval.Map1TextureCoord1, enable->Map1TextureCoord1,
- GL_MAP1_TEXTURE_COORD_1);
- TEST_AND_UPDATE(ctx->Eval.Map1TextureCoord2, enable->Map1TextureCoord2,
- GL_MAP1_TEXTURE_COORD_2);
- TEST_AND_UPDATE(ctx->Eval.Map1TextureCoord3, enable->Map1TextureCoord3,
- GL_MAP1_TEXTURE_COORD_3);
- TEST_AND_UPDATE(ctx->Eval.Map1TextureCoord4, enable->Map1TextureCoord4,
- GL_MAP1_TEXTURE_COORD_4);
- TEST_AND_UPDATE(ctx->Eval.Map1Vertex3, enable->Map1Vertex3,
- GL_MAP1_VERTEX_3);
- TEST_AND_UPDATE(ctx->Eval.Map1Vertex4, enable->Map1Vertex4,
- GL_MAP1_VERTEX_4);
- for (i = 0; i < 16; i++) {
- TEST_AND_UPDATE(ctx->Eval.Map1Attrib[i], enable->Map1Attrib[i],
- GL_MAP1_VERTEX_ATTRIB0_4_NV + i);
- }
-
- TEST_AND_UPDATE(ctx->Eval.Map2Color4, enable->Map2Color4, GL_MAP2_COLOR_4);
- TEST_AND_UPDATE(ctx->Eval.Map2Index, enable->Map2Index, GL_MAP2_INDEX);
- TEST_AND_UPDATE(ctx->Eval.Map2Normal, enable->Map2Normal, GL_MAP2_NORMAL);
- TEST_AND_UPDATE(ctx->Eval.Map2TextureCoord1, enable->Map2TextureCoord1,
- GL_MAP2_TEXTURE_COORD_1);
- TEST_AND_UPDATE(ctx->Eval.Map2TextureCoord2, enable->Map2TextureCoord2,
- GL_MAP2_TEXTURE_COORD_2);
- TEST_AND_UPDATE(ctx->Eval.Map2TextureCoord3, enable->Map2TextureCoord3,
- GL_MAP2_TEXTURE_COORD_3);
- TEST_AND_UPDATE(ctx->Eval.Map2TextureCoord4, enable->Map2TextureCoord4,
- GL_MAP2_TEXTURE_COORD_4);
- TEST_AND_UPDATE(ctx->Eval.Map2Vertex3, enable->Map2Vertex3,
- GL_MAP2_VERTEX_3);
- TEST_AND_UPDATE(ctx->Eval.Map2Vertex4, enable->Map2Vertex4,
- GL_MAP2_VERTEX_4);
- for (i = 0; i < 16; i++) {
- TEST_AND_UPDATE(ctx->Eval.Map2Attrib[i], enable->Map2Attrib[i],
- GL_MAP2_VERTEX_ATTRIB0_4_NV + i);
- }
-
- TEST_AND_UPDATE(ctx->Eval.AutoNormal, enable->AutoNormal, GL_AUTO_NORMAL);
- TEST_AND_UPDATE(ctx->Transform.Normalize, enable->Normalize, GL_NORMALIZE);
- TEST_AND_UPDATE(ctx->Transform.RescaleNormals, enable->RescaleNormals,
- GL_RESCALE_NORMAL_EXT);
- TEST_AND_UPDATE(ctx->Transform.RasterPositionUnclipped,
- enable->RasterPositionUnclipped,
- GL_RASTER_POSITION_UNCLIPPED_IBM);
- TEST_AND_UPDATE(ctx->Point.SmoothFlag, enable->PointSmooth,
- GL_POINT_SMOOTH);
- if (ctx->Extensions.NV_point_sprite || ctx->Extensions.ARB_point_sprite) {
- TEST_AND_UPDATE(ctx->Point.PointSprite, enable->PointSprite,
- GL_POINT_SPRITE_NV);
- }
- TEST_AND_UPDATE(ctx->Polygon.OffsetPoint, enable->PolygonOffsetPoint,
- GL_POLYGON_OFFSET_POINT);
- TEST_AND_UPDATE(ctx->Polygon.OffsetLine, enable->PolygonOffsetLine,
- GL_POLYGON_OFFSET_LINE);
- TEST_AND_UPDATE(ctx->Polygon.OffsetFill, enable->PolygonOffsetFill,
- GL_POLYGON_OFFSET_FILL);
- TEST_AND_UPDATE(ctx->Polygon.SmoothFlag, enable->PolygonSmooth,
- GL_POLYGON_SMOOTH);
- TEST_AND_UPDATE(ctx->Polygon.StippleFlag, enable->PolygonStipple,
- GL_POLYGON_STIPPLE);
- TEST_AND_UPDATE(ctx->Scissor.Enabled, enable->Scissor, GL_SCISSOR_TEST);
- TEST_AND_UPDATE(ctx->Stencil.Enabled, enable->Stencil, GL_STENCIL_TEST);
- if (ctx->Extensions.EXT_stencil_two_side) {
- TEST_AND_UPDATE(ctx->Stencil.TestTwoSide, enable->StencilTwoSide, GL_STENCIL_TEST_TWO_SIDE_EXT);
- }
- TEST_AND_UPDATE(ctx->Multisample.Enabled, enable->MultisampleEnabled,
- GL_MULTISAMPLE_ARB);
- TEST_AND_UPDATE(ctx->Multisample.SampleAlphaToCoverage,
- enable->SampleAlphaToCoverage,
- GL_SAMPLE_ALPHA_TO_COVERAGE_ARB);
- TEST_AND_UPDATE(ctx->Multisample.SampleAlphaToOne,
- enable->SampleAlphaToOne,
- GL_SAMPLE_ALPHA_TO_ONE_ARB);
- TEST_AND_UPDATE(ctx->Multisample.SampleCoverage,
- enable->SampleCoverage,
- GL_SAMPLE_COVERAGE_ARB);
- TEST_AND_UPDATE(ctx->Multisample.SampleCoverageInvert,
- enable->SampleCoverageInvert,
- GL_SAMPLE_COVERAGE_INVERT_ARB);
- /* GL_ARB_vertex_program, GL_NV_vertex_program */
- TEST_AND_UPDATE(ctx->VertexProgram.Enabled,
- enable->VertexProgram,
- GL_VERTEX_PROGRAM_ARB);
- TEST_AND_UPDATE(ctx->VertexProgram.PointSizeEnabled,
- enable->VertexProgramPointSize,
- GL_VERTEX_PROGRAM_POINT_SIZE_ARB);
- TEST_AND_UPDATE(ctx->VertexProgram.TwoSideEnabled,
- enable->VertexProgramTwoSide,
- GL_VERTEX_PROGRAM_TWO_SIDE_ARB);
-
-#undef TEST_AND_UPDATE
-
- /* texture unit enables */
- for (i = 0; i < ctx->Const.MaxTextureUnits; i++) {
- const GLbitfield enabled = enable->Texture[i];
- const GLbitfield genEnabled = enable->TexGen[i];
-
- if (ctx->Texture.Unit[i].Enabled != enabled) {
- _mesa_ActiveTextureARB(GL_TEXTURE0 + i);
-
- _mesa_set_enable(ctx, GL_TEXTURE_1D,
- (enabled & TEXTURE_1D_BIT) ? GL_TRUE : GL_FALSE);
- _mesa_set_enable(ctx, GL_TEXTURE_2D,
- (enabled & TEXTURE_2D_BIT) ? GL_TRUE : GL_FALSE);
- _mesa_set_enable(ctx, GL_TEXTURE_3D,
- (enabled & TEXTURE_3D_BIT) ? GL_TRUE : GL_FALSE);
- if (ctx->Extensions.NV_texture_rectangle) {
- _mesa_set_enable(ctx, GL_TEXTURE_RECTANGLE_ARB,
- (enabled & TEXTURE_RECT_BIT) ? GL_TRUE : GL_FALSE);
- }
- if (ctx->Extensions.ARB_texture_cube_map) {
- _mesa_set_enable(ctx, GL_TEXTURE_CUBE_MAP,
- (enabled & TEXTURE_CUBE_BIT) ? GL_TRUE : GL_FALSE);
- }
- if (ctx->Extensions.MESA_texture_array) {
- _mesa_set_enable(ctx, GL_TEXTURE_1D_ARRAY_EXT,
- (enabled & TEXTURE_1D_ARRAY_BIT) ? GL_TRUE : GL_FALSE);
- _mesa_set_enable(ctx, GL_TEXTURE_2D_ARRAY_EXT,
- (enabled & TEXTURE_2D_ARRAY_BIT) ? GL_TRUE : GL_FALSE);
- }
- }
-
- if (ctx->Texture.Unit[i].TexGenEnabled != genEnabled) {
- _mesa_ActiveTextureARB(GL_TEXTURE0 + i);
- _mesa_set_enable(ctx, GL_TEXTURE_GEN_S,
- (genEnabled & S_BIT) ? GL_TRUE : GL_FALSE);
- _mesa_set_enable(ctx, GL_TEXTURE_GEN_T,
- (genEnabled & T_BIT) ? GL_TRUE : GL_FALSE);
- _mesa_set_enable(ctx, GL_TEXTURE_GEN_R,
- (genEnabled & R_BIT) ? GL_TRUE : GL_FALSE);
- _mesa_set_enable(ctx, GL_TEXTURE_GEN_Q,
- (genEnabled & Q_BIT) ? GL_TRUE : GL_FALSE);
- }
- }
-
- _mesa_ActiveTextureARB(GL_TEXTURE0 + curTexUnitSave);
-}
-
-
-/**
- * Pop/restore texture attribute/group state.
- */
-static void
-pop_texture_group(struct gl_context *ctx, struct texture_state *texstate)
-{
- GLuint u;
-
- _mesa_lock_context_textures(ctx);
-
- for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
- const struct gl_texture_unit *unit = &texstate->Texture.Unit[u];
- GLuint tgt;
-
- _mesa_ActiveTextureARB(GL_TEXTURE0_ARB + u);
- _mesa_set_enable(ctx, GL_TEXTURE_1D,
- (unit->Enabled & TEXTURE_1D_BIT) ? GL_TRUE : GL_FALSE);
- _mesa_set_enable(ctx, GL_TEXTURE_2D,
- (unit->Enabled & TEXTURE_2D_BIT) ? GL_TRUE : GL_FALSE);
- _mesa_set_enable(ctx, GL_TEXTURE_3D,
- (unit->Enabled & TEXTURE_3D_BIT) ? GL_TRUE : GL_FALSE);
- if (ctx->Extensions.ARB_texture_cube_map) {
- _mesa_set_enable(ctx, GL_TEXTURE_CUBE_MAP_ARB,
- (unit->Enabled & TEXTURE_CUBE_BIT) ? GL_TRUE : GL_FALSE);
- }
- if (ctx->Extensions.NV_texture_rectangle) {
- _mesa_set_enable(ctx, GL_TEXTURE_RECTANGLE_NV,
- (unit->Enabled & TEXTURE_RECT_BIT) ? GL_TRUE : GL_FALSE);
- }
- if (ctx->Extensions.MESA_texture_array) {
- _mesa_set_enable(ctx, GL_TEXTURE_1D_ARRAY_EXT,
- (unit->Enabled & TEXTURE_1D_ARRAY_BIT) ? GL_TRUE : GL_FALSE);
- _mesa_set_enable(ctx, GL_TEXTURE_2D_ARRAY_EXT,
- (unit->Enabled & TEXTURE_2D_ARRAY_BIT) ? GL_TRUE : GL_FALSE);
- }
-
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, unit->EnvMode);
- _mesa_TexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, unit->EnvColor);
- _mesa_TexGeni(GL_S, GL_TEXTURE_GEN_MODE, unit->GenS.Mode);
- _mesa_TexGeni(GL_T, GL_TEXTURE_GEN_MODE, unit->GenT.Mode);
- _mesa_TexGeni(GL_R, GL_TEXTURE_GEN_MODE, unit->GenR.Mode);
- _mesa_TexGeni(GL_Q, GL_TEXTURE_GEN_MODE, unit->GenQ.Mode);
- _mesa_TexGenfv(GL_S, GL_OBJECT_PLANE, unit->GenS.ObjectPlane);
- _mesa_TexGenfv(GL_T, GL_OBJECT_PLANE, unit->GenT.ObjectPlane);
- _mesa_TexGenfv(GL_R, GL_OBJECT_PLANE, unit->GenR.ObjectPlane);
- _mesa_TexGenfv(GL_Q, GL_OBJECT_PLANE, unit->GenQ.ObjectPlane);
- /* Eye plane done differently to avoid re-transformation */
- {
- struct gl_texture_unit *destUnit = &ctx->Texture.Unit[u];
- COPY_4FV(destUnit->GenS.EyePlane, unit->GenS.EyePlane);
- COPY_4FV(destUnit->GenT.EyePlane, unit->GenT.EyePlane);
- COPY_4FV(destUnit->GenR.EyePlane, unit->GenR.EyePlane);
- COPY_4FV(destUnit->GenQ.EyePlane, unit->GenQ.EyePlane);
- if (ctx->Driver.TexGen) {
- ctx->Driver.TexGen(ctx, GL_S, GL_EYE_PLANE, unit->GenS.EyePlane);
- ctx->Driver.TexGen(ctx, GL_T, GL_EYE_PLANE, unit->GenT.EyePlane);
- ctx->Driver.TexGen(ctx, GL_R, GL_EYE_PLANE, unit->GenR.EyePlane);
- ctx->Driver.TexGen(ctx, GL_Q, GL_EYE_PLANE, unit->GenQ.EyePlane);
- }
- }
- _mesa_set_enable(ctx, GL_TEXTURE_GEN_S,
- ((unit->TexGenEnabled & S_BIT) ? GL_TRUE : GL_FALSE));
- _mesa_set_enable(ctx, GL_TEXTURE_GEN_T,
- ((unit->TexGenEnabled & T_BIT) ? GL_TRUE : GL_FALSE));
- _mesa_set_enable(ctx, GL_TEXTURE_GEN_R,
- ((unit->TexGenEnabled & R_BIT) ? GL_TRUE : GL_FALSE));
- _mesa_set_enable(ctx, GL_TEXTURE_GEN_Q,
- ((unit->TexGenEnabled & Q_BIT) ? GL_TRUE : GL_FALSE));
- if (ctx->Extensions.EXT_texture_lod_bias) {
- _mesa_TexEnvf(GL_TEXTURE_FILTER_CONTROL_EXT,
- GL_TEXTURE_LOD_BIAS_EXT, unit->LodBias);
- }
- if (ctx->Extensions.EXT_texture_env_combine ||
- ctx->Extensions.ARB_texture_env_combine) {
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB,
- unit->Combine.ModeRGB);
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA,
- unit->Combine.ModeA);
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB,
- unit->Combine.SourceRGB[0]);
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB,
- unit->Combine.SourceRGB[1]);
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB,
- unit->Combine.SourceRGB[2]);
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA,
- unit->Combine.SourceA[0]);
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA,
- unit->Combine.SourceA[1]);
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_ALPHA,
- unit->Combine.SourceA[2]);
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB,
- unit->Combine.OperandRGB[0]);
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB,
- unit->Combine.OperandRGB[1]);
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB,
- unit->Combine.OperandRGB[2]);
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA,
- unit->Combine.OperandA[0]);
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA,
- unit->Combine.OperandA[1]);
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_ALPHA,
- unit->Combine.OperandA[2]);
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_RGB_SCALE,
- 1 << unit->Combine.ScaleShiftRGB);
- _mesa_TexEnvi(GL_TEXTURE_ENV, GL_ALPHA_SCALE,
- 1 << unit->Combine.ScaleShiftA);
- }
-
- /* Restore texture object state for each target */
- for (tgt = 0; tgt < NUM_TEXTURE_TARGETS; tgt++) {
- const struct gl_texture_object *obj = NULL;
- GLenum target;
-
- obj = &texstate->SavedObj[u][tgt];
-
- /* don't restore state for unsupported targets to prevent
- * raising GL errors.
- */
- if (obj->Target == GL_TEXTURE_CUBE_MAP_ARB &&
- !ctx->Extensions.ARB_texture_cube_map) {
- continue;
- }
- else if (obj->Target == GL_TEXTURE_RECTANGLE_NV &&
- !ctx->Extensions.NV_texture_rectangle) {
- continue;
- }
- else if ((obj->Target == GL_TEXTURE_1D_ARRAY_EXT ||
- obj->Target == GL_TEXTURE_2D_ARRAY_EXT) &&
- !ctx->Extensions.MESA_texture_array) {
- continue;
- }
-
- target = obj->Target;
-
- _mesa_BindTexture(target, obj->Name);
-
- _mesa_TexParameterfv(target, GL_TEXTURE_BORDER_COLOR, obj->BorderColor.f);
- _mesa_TexParameterf(target, GL_TEXTURE_PRIORITY, obj->Priority);
- _mesa_TexParameteri(target, GL_TEXTURE_WRAP_S, obj->WrapS);
- _mesa_TexParameteri(target, GL_TEXTURE_WRAP_T, obj->WrapT);
- _mesa_TexParameteri(target, GL_TEXTURE_WRAP_R, obj->WrapR);
- _mesa_TexParameteri(target, GL_TEXTURE_MIN_FILTER, obj->MinFilter);
- _mesa_TexParameteri(target, GL_TEXTURE_MAG_FILTER, obj->MagFilter);
- _mesa_TexParameterf(target, GL_TEXTURE_MIN_LOD, obj->MinLod);
- _mesa_TexParameterf(target, GL_TEXTURE_MAX_LOD, obj->MaxLod);
- _mesa_TexParameterf(target, GL_TEXTURE_LOD_BIAS, obj->LodBias);
- _mesa_TexParameteri(target, GL_TEXTURE_BASE_LEVEL, obj->BaseLevel);
- if (target != GL_TEXTURE_RECTANGLE_ARB)
- _mesa_TexParameteri(target, GL_TEXTURE_MAX_LEVEL, obj->MaxLevel);
- if (ctx->Extensions.EXT_texture_filter_anisotropic) {
- _mesa_TexParameterf(target, GL_TEXTURE_MAX_ANISOTROPY_EXT,
- obj->MaxAnisotropy);
- }
- if (ctx->Extensions.ARB_shadow_ambient) {
- _mesa_TexParameterf(target, GL_TEXTURE_COMPARE_FAIL_VALUE_ARB,
- obj->CompareFailValue);
- }
- }
-
- /* remove saved references to the texture objects */
- for (tgt = 0; tgt < NUM_TEXTURE_TARGETS; tgt++) {
- _mesa_reference_texobj(&texstate->SavedTexRef[u][tgt], NULL);
- }
- }
-
- _mesa_ActiveTextureARB(GL_TEXTURE0_ARB + texstate->Texture.CurrentUnit);
-
- _mesa_unlock_context_textures(ctx);
-}
-
-
-/*
- * This function is kind of long just because we have to call a lot
- * of device driver functions to update device driver state.
- *
- * XXX As it is now, most of the pop-code calls immediate-mode Mesa functions
- * in order to restore GL state. This isn't terribly efficient but it
- * ensures that dirty flags and any derived state gets updated correctly.
- * We could at least check if the value to restore equals the current value
- * and then skip the Mesa call.
- */
-void GLAPIENTRY
-_mesa_PopAttrib(void)
-{
- struct gl_attrib_node *attr, *next;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (ctx->AttribStackDepth == 0) {
- _mesa_error( ctx, GL_STACK_UNDERFLOW, "glPopAttrib" );
- return;
- }
-
- ctx->AttribStackDepth--;
- attr = ctx->AttribStack[ctx->AttribStackDepth];
-
- while (attr) {
-
- if (MESA_VERBOSE & VERBOSE_API) {
- _mesa_debug(ctx, "glPopAttrib %s\n",
- _mesa_lookup_enum_by_nr(attr->kind));
- }
-
- switch (attr->kind) {
- case GL_ACCUM_BUFFER_BIT:
- {
- const struct gl_accum_attrib *accum;
- accum = (const struct gl_accum_attrib *) attr->data;
- _mesa_ClearAccum(accum->ClearColor[0],
- accum->ClearColor[1],
- accum->ClearColor[2],
- accum->ClearColor[3]);
- }
- break;
- case GL_COLOR_BUFFER_BIT:
- {
- const struct gl_colorbuffer_attrib *color;
-
- color = (const struct gl_colorbuffer_attrib *) attr->data;
- _mesa_ClearIndex((GLfloat) color->ClearIndex);
- _mesa_ClearColor(color->ClearColor[0],
- color->ClearColor[1],
- color->ClearColor[2],
- color->ClearColor[3]);
- _mesa_IndexMask(color->IndexMask);
- if (!ctx->Extensions.EXT_draw_buffers2) {
- _mesa_ColorMask((GLboolean) (color->ColorMask[0][0] != 0),
- (GLboolean) (color->ColorMask[0][1] != 0),
- (GLboolean) (color->ColorMask[0][2] != 0),
- (GLboolean) (color->ColorMask[0][3] != 0));
- }
- else {
- GLuint i;
- for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) {
- _mesa_ColorMaskIndexed(i,
- (GLboolean) (color->ColorMask[i][0] != 0),
- (GLboolean) (color->ColorMask[i][1] != 0),
- (GLboolean) (color->ColorMask[i][2] != 0),
- (GLboolean) (color->ColorMask[i][3] != 0));
- }
- }
- {
- /* Need to determine if more than one color output is
- * specified. If so, call glDrawBuffersARB, else call
- * glDrawBuffer(). This is a subtle, but essential point
- * since GL_FRONT (for example) is illegal for the former
- * function, but legal for the later.
- */
- GLboolean multipleBuffers = GL_FALSE;
- GLuint i;
-
- for (i = 1; i < ctx->Const.MaxDrawBuffers; i++) {
- if (color->DrawBuffer[i] != GL_NONE) {
- multipleBuffers = GL_TRUE;
- break;
- }
- }
- /* Call the API_level functions, not _mesa_drawbuffers()
- * since we need to do error checking on the pop'd
- * GL_DRAW_BUFFER.
- * Ex: if GL_FRONT were pushed, but we're popping with a
- * user FBO bound, GL_FRONT will be illegal and we'll need
- * to record that error. Per OpenGL ARB decision.
- */
- if (multipleBuffers)
- _mesa_DrawBuffersARB(ctx->Const.MaxDrawBuffers,
- color->DrawBuffer);
- else
- _mesa_DrawBuffer(color->DrawBuffer[0]);
- }
- _mesa_set_enable(ctx, GL_ALPHA_TEST, color->AlphaEnabled);
- _mesa_AlphaFunc(color->AlphaFunc, color->AlphaRef);
- if (ctx->Color.BlendEnabled != color->BlendEnabled) {
- if (ctx->Extensions.EXT_draw_buffers2) {
- GLuint i;
- for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) {
- _mesa_set_enablei(ctx, GL_BLEND, i,
- (color->BlendEnabled >> i) & 1);
- }
- }
- else {
- _mesa_set_enable(ctx, GL_BLEND, (color->BlendEnabled & 1));
- }
- }
- if (ctx->Color._BlendFuncPerBuffer ||
- ctx->Color._BlendEquationPerBuffer) {
- /* set blend per buffer */
- GLuint buf;
- for (buf = 0; buf < ctx->Const.MaxDrawBuffers; buf++) {
- _mesa_BlendFuncSeparatei(buf, color->Blend[buf].SrcRGB,
- color->Blend[buf].DstRGB,
- color->Blend[buf].SrcA,
- color->Blend[buf].DstA);
- _mesa_BlendEquationSeparatei(buf,
- color->Blend[buf].EquationRGB,
- color->Blend[buf].EquationA);
- }
- }
- else {
- /* set same blend modes for all buffers */
- _mesa_BlendFuncSeparateEXT(color->Blend[0].SrcRGB,
- color->Blend[0].DstRGB,
- color->Blend[0].SrcA,
- color->Blend[0].DstA);
- /* This special case is because glBlendEquationSeparateEXT
- * cannot take GL_LOGIC_OP as a parameter.
- */
- if (color->Blend[0].EquationRGB ==
- color->Blend[0].EquationA) {
- _mesa_BlendEquation(color->Blend[0].EquationRGB);
- }
- else {
- _mesa_BlendEquationSeparateEXT(
- color->Blend[0].EquationRGB,
- color->Blend[0].EquationA);
- }
- }
- _mesa_BlendColor(color->BlendColor[0],
- color->BlendColor[1],
- color->BlendColor[2],
- color->BlendColor[3]);
- _mesa_LogicOp(color->LogicOp);
- _mesa_set_enable(ctx, GL_COLOR_LOGIC_OP,
- color->ColorLogicOpEnabled);
- _mesa_set_enable(ctx, GL_INDEX_LOGIC_OP,
- color->IndexLogicOpEnabled);
- _mesa_set_enable(ctx, GL_DITHER, color->DitherFlag);
- }
- break;
- case GL_CURRENT_BIT:
- FLUSH_CURRENT( ctx, 0 );
- memcpy( &ctx->Current, attr->data,
- sizeof(struct gl_current_attrib) );
- break;
- case GL_DEPTH_BUFFER_BIT:
- {
- const struct gl_depthbuffer_attrib *depth;
- depth = (const struct gl_depthbuffer_attrib *) attr->data;
- _mesa_DepthFunc(depth->Func);
- _mesa_ClearDepth(depth->Clear);
- _mesa_set_enable(ctx, GL_DEPTH_TEST, depth->Test);
- _mesa_DepthMask(depth->Mask);
- }
- break;
- case GL_ENABLE_BIT:
- {
- const struct gl_enable_attrib *enable;
- enable = (const struct gl_enable_attrib *) attr->data;
- pop_enable_group(ctx, enable);
- ctx->NewState |= _NEW_ALL;
- }
- break;
- case GL_EVAL_BIT:
- memcpy( &ctx->Eval, attr->data, sizeof(struct gl_eval_attrib) );
- ctx->NewState |= _NEW_EVAL;
- break;
- case GL_FOG_BIT:
- {
- const struct gl_fog_attrib *fog;
- fog = (const struct gl_fog_attrib *) attr->data;
- _mesa_set_enable(ctx, GL_FOG, fog->Enabled);
- _mesa_Fogfv(GL_FOG_COLOR, fog->Color);
- _mesa_Fogf(GL_FOG_DENSITY, fog->Density);
- _mesa_Fogf(GL_FOG_START, fog->Start);
- _mesa_Fogf(GL_FOG_END, fog->End);
- _mesa_Fogf(GL_FOG_INDEX, fog->Index);
- _mesa_Fogi(GL_FOG_MODE, fog->Mode);
- }
- break;
- case GL_HINT_BIT:
- {
- const struct gl_hint_attrib *hint;
- hint = (const struct gl_hint_attrib *) attr->data;
- _mesa_Hint(GL_PERSPECTIVE_CORRECTION_HINT,
- hint->PerspectiveCorrection );
- _mesa_Hint(GL_POINT_SMOOTH_HINT, hint->PointSmooth);
- _mesa_Hint(GL_LINE_SMOOTH_HINT, hint->LineSmooth);
- _mesa_Hint(GL_POLYGON_SMOOTH_HINT, hint->PolygonSmooth);
- _mesa_Hint(GL_FOG_HINT, hint->Fog);
- _mesa_Hint(GL_CLIP_VOLUME_CLIPPING_HINT_EXT,
- hint->ClipVolumeClipping);
- _mesa_Hint(GL_TEXTURE_COMPRESSION_HINT_ARB,
- hint->TextureCompression);
- }
- break;
- case GL_LIGHTING_BIT:
- {
- GLuint i;
- const struct gl_light_attrib *light;
- light = (const struct gl_light_attrib *) attr->data;
- /* lighting enable */
- _mesa_set_enable(ctx, GL_LIGHTING, light->Enabled);
- /* per-light state */
- if (_math_matrix_is_dirty(ctx->ModelviewMatrixStack.Top))
- _math_matrix_analyse( ctx->ModelviewMatrixStack.Top );
-
- for (i = 0; i < ctx->Const.MaxLights; i++) {
- const struct gl_light *l = &light->Light[i];
- _mesa_set_enable(ctx, GL_LIGHT0 + i, l->Enabled);
- _mesa_light(ctx, i, GL_AMBIENT, l->Ambient);
- _mesa_light(ctx, i, GL_DIFFUSE, l->Diffuse);
- _mesa_light(ctx, i, GL_SPECULAR, l->Specular );
- _mesa_light(ctx, i, GL_POSITION, l->EyePosition);
- _mesa_light(ctx, i, GL_SPOT_DIRECTION, l->SpotDirection);
- {
- GLfloat p[4] = { 0 };
- p[0] = l->SpotExponent;
- _mesa_light(ctx, i, GL_SPOT_EXPONENT, p);
- }
- {
- GLfloat p[4] = { 0 };
- p[0] = l->SpotCutoff;
- _mesa_light(ctx, i, GL_SPOT_CUTOFF, p);
- }
- {
- GLfloat p[4] = { 0 };
- p[0] = l->ConstantAttenuation;
- _mesa_light(ctx, i, GL_CONSTANT_ATTENUATION, p);
- }
- {
- GLfloat p[4] = { 0 };
- p[0] = l->LinearAttenuation;
- _mesa_light(ctx, i, GL_LINEAR_ATTENUATION, p);
- }
- {
- GLfloat p[4] = { 0 };
- p[0] = l->QuadraticAttenuation;
- _mesa_light(ctx, i, GL_QUADRATIC_ATTENUATION, p);
- }
- }
- /* light model */
- _mesa_LightModelfv(GL_LIGHT_MODEL_AMBIENT,
- light->Model.Ambient);
- _mesa_LightModelf(GL_LIGHT_MODEL_LOCAL_VIEWER,
- (GLfloat) light->Model.LocalViewer);
- _mesa_LightModelf(GL_LIGHT_MODEL_TWO_SIDE,
- (GLfloat) light->Model.TwoSide);
- _mesa_LightModelf(GL_LIGHT_MODEL_COLOR_CONTROL,
- (GLfloat) light->Model.ColorControl);
- /* shade model */
- _mesa_ShadeModel(light->ShadeModel);
- /* color material */
- _mesa_ColorMaterial(light->ColorMaterialFace,
- light->ColorMaterialMode);
- _mesa_set_enable(ctx, GL_COLOR_MATERIAL,
- light->ColorMaterialEnabled);
- /* materials */
- memcpy(&ctx->Light.Material, &light->Material,
- sizeof(struct gl_material));
- }
- break;
- case GL_LINE_BIT:
- {
- const struct gl_line_attrib *line;
- line = (const struct gl_line_attrib *) attr->data;
- _mesa_set_enable(ctx, GL_LINE_SMOOTH, line->SmoothFlag);
- _mesa_set_enable(ctx, GL_LINE_STIPPLE, line->StippleFlag);
- _mesa_LineStipple(line->StippleFactor, line->StipplePattern);
- _mesa_LineWidth(line->Width);
- }
- break;
- case GL_LIST_BIT:
- memcpy( &ctx->List, attr->data, sizeof(struct gl_list_attrib) );
- break;
- case GL_PIXEL_MODE_BIT:
- memcpy( &ctx->Pixel, attr->data, sizeof(struct gl_pixel_attrib) );
- /* XXX what other pixel state needs to be set by function calls? */
- _mesa_ReadBuffer(ctx->Pixel.ReadBuffer);
- ctx->NewState |= _NEW_PIXEL;
- break;
- case GL_POINT_BIT:
- {
- const struct gl_point_attrib *point;
- point = (const struct gl_point_attrib *) attr->data;
- _mesa_PointSize(point->Size);
- _mesa_set_enable(ctx, GL_POINT_SMOOTH, point->SmoothFlag);
- if (ctx->Extensions.EXT_point_parameters) {
- _mesa_PointParameterfv(GL_DISTANCE_ATTENUATION_EXT,
- point->Params);
- _mesa_PointParameterf(GL_POINT_SIZE_MIN_EXT,
- point->MinSize);
- _mesa_PointParameterf(GL_POINT_SIZE_MAX_EXT,
- point->MaxSize);
- _mesa_PointParameterf(GL_POINT_FADE_THRESHOLD_SIZE_EXT,
- point->Threshold);
- }
- if (ctx->Extensions.NV_point_sprite
- || ctx->Extensions.ARB_point_sprite) {
- GLuint u;
- for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
- _mesa_TexEnvi(GL_POINT_SPRITE_NV, GL_COORD_REPLACE_NV,
- (GLint) point->CoordReplace[u]);
- }
- _mesa_set_enable(ctx, GL_POINT_SPRITE_NV,point->PointSprite);
- if (ctx->Extensions.NV_point_sprite)
- _mesa_PointParameteri(GL_POINT_SPRITE_R_MODE_NV,
- ctx->Point.SpriteRMode);
- _mesa_PointParameterf(GL_POINT_SPRITE_COORD_ORIGIN,
- (GLfloat)ctx->Point.SpriteOrigin);
- }
- }
- break;
- case GL_POLYGON_BIT:
- {
- const struct gl_polygon_attrib *polygon;
- polygon = (const struct gl_polygon_attrib *) attr->data;
- _mesa_CullFace(polygon->CullFaceMode);
- _mesa_FrontFace(polygon->FrontFace);
- _mesa_PolygonMode(GL_FRONT, polygon->FrontMode);
- _mesa_PolygonMode(GL_BACK, polygon->BackMode);
- _mesa_PolygonOffset(polygon->OffsetFactor,
- polygon->OffsetUnits);
- _mesa_set_enable(ctx, GL_POLYGON_SMOOTH, polygon->SmoothFlag);
- _mesa_set_enable(ctx, GL_POLYGON_STIPPLE, polygon->StippleFlag);
- _mesa_set_enable(ctx, GL_CULL_FACE, polygon->CullFlag);
- _mesa_set_enable(ctx, GL_POLYGON_OFFSET_POINT,
- polygon->OffsetPoint);
- _mesa_set_enable(ctx, GL_POLYGON_OFFSET_LINE,
- polygon->OffsetLine);
- _mesa_set_enable(ctx, GL_POLYGON_OFFSET_FILL,
- polygon->OffsetFill);
- }
- break;
- case GL_POLYGON_STIPPLE_BIT:
- memcpy( ctx->PolygonStipple, attr->data, 32*sizeof(GLuint) );
- ctx->NewState |= _NEW_POLYGONSTIPPLE;
- if (ctx->Driver.PolygonStipple)
- ctx->Driver.PolygonStipple( ctx, (const GLubyte *) attr->data );
- break;
- case GL_SCISSOR_BIT:
- {
- const struct gl_scissor_attrib *scissor;
- scissor = (const struct gl_scissor_attrib *) attr->data;
- _mesa_Scissor(scissor->X, scissor->Y,
- scissor->Width, scissor->Height);
- _mesa_set_enable(ctx, GL_SCISSOR_TEST, scissor->Enabled);
- }
- break;
- case GL_STENCIL_BUFFER_BIT:
- {
- const struct gl_stencil_attrib *stencil;
- stencil = (const struct gl_stencil_attrib *) attr->data;
- _mesa_set_enable(ctx, GL_STENCIL_TEST, stencil->Enabled);
- _mesa_ClearStencil(stencil->Clear);
- if (ctx->Extensions.EXT_stencil_two_side) {
- _mesa_set_enable(ctx, GL_STENCIL_TEST_TWO_SIDE_EXT,
- stencil->TestTwoSide);
- _mesa_ActiveStencilFaceEXT(stencil->ActiveFace
- ? GL_BACK : GL_FRONT);
- }
- /* front state */
- _mesa_StencilFuncSeparate(GL_FRONT,
- stencil->Function[0],
- stencil->Ref[0],
- stencil->ValueMask[0]);
- _mesa_StencilMaskSeparate(GL_FRONT, stencil->WriteMask[0]);
- _mesa_StencilOpSeparate(GL_FRONT, stencil->FailFunc[0],
- stencil->ZFailFunc[0],
- stencil->ZPassFunc[0]);
- /* back state */
- _mesa_StencilFuncSeparate(GL_BACK,
- stencil->Function[1],
- stencil->Ref[1],
- stencil->ValueMask[1]);
- _mesa_StencilMaskSeparate(GL_BACK, stencil->WriteMask[1]);
- _mesa_StencilOpSeparate(GL_BACK, stencil->FailFunc[1],
- stencil->ZFailFunc[1],
- stencil->ZPassFunc[1]);
- }
- break;
- case GL_TRANSFORM_BIT:
- {
- GLuint i;
- const struct gl_transform_attrib *xform;
- xform = (const struct gl_transform_attrib *) attr->data;
- _mesa_MatrixMode(xform->MatrixMode);
- if (_math_matrix_is_dirty(ctx->ProjectionMatrixStack.Top))
- _math_matrix_analyse( ctx->ProjectionMatrixStack.Top );
-
- /* restore clip planes */
- for (i = 0; i < MAX_CLIP_PLANES; i++) {
- const GLuint mask = 1 << i;
- const GLfloat *eyePlane = xform->EyeUserPlane[i];
- COPY_4V(ctx->Transform.EyeUserPlane[i], eyePlane);
- if (xform->ClipPlanesEnabled & mask) {
- _mesa_set_enable(ctx, GL_CLIP_PLANE0 + i, GL_TRUE);
- }
- else {
- _mesa_set_enable(ctx, GL_CLIP_PLANE0 + i, GL_FALSE);
- }
- if (ctx->Driver.ClipPlane)
- ctx->Driver.ClipPlane( ctx, GL_CLIP_PLANE0 + i, eyePlane );
- }
-
- /* normalize/rescale */
- if (xform->Normalize != ctx->Transform.Normalize)
- _mesa_set_enable(ctx, GL_NORMALIZE,ctx->Transform.Normalize);
- if (xform->RescaleNormals != ctx->Transform.RescaleNormals)
- _mesa_set_enable(ctx, GL_RESCALE_NORMAL_EXT,
- ctx->Transform.RescaleNormals);
- if (xform->DepthClamp != ctx->Transform.DepthClamp)
- _mesa_set_enable(ctx, GL_DEPTH_CLAMP,
- ctx->Transform.DepthClamp);
- }
- break;
- case GL_TEXTURE_BIT:
- /* Take care of texture object reference counters */
- {
- struct texture_state *texstate
- = (struct texture_state *) attr->data;
- pop_texture_group(ctx, texstate);
- ctx->NewState |= _NEW_TEXTURE;
- }
- break;
- case GL_VIEWPORT_BIT:
- {
- const struct gl_viewport_attrib *vp;
- vp = (const struct gl_viewport_attrib *) attr->data;
- _mesa_Viewport(vp->X, vp->Y, vp->Width, vp->Height);
- _mesa_DepthRange(vp->Near, vp->Far);
- }
- break;
- case GL_MULTISAMPLE_BIT_ARB:
- {
- const struct gl_multisample_attrib *ms;
- ms = (const struct gl_multisample_attrib *) attr->data;
- _mesa_SampleCoverageARB(ms->SampleCoverageValue,
- ms->SampleCoverageInvert);
- }
- break;
-
- default:
- _mesa_problem( ctx, "Bad attrib flag in PopAttrib");
- break;
- }
-
- next = attr->next;
- FREE( attr->data );
- FREE( attr );
- attr = next;
- }
-}
-
-
-/**
- * Helper for incrementing/decrementing vertex buffer object reference
- * counts when pushing/popping the GL_CLIENT_VERTEX_ARRAY_BIT attribute group.
- */
-static void
-adjust_buffer_object_ref_counts(struct gl_array_object *arrayObj, GLint step)
-{
- GLuint i;
-
- arrayObj->Vertex.BufferObj->RefCount += step;
- arrayObj->Weight.BufferObj->RefCount += step;
- arrayObj->Normal.BufferObj->RefCount += step;
- arrayObj->Color.BufferObj->RefCount += step;
- arrayObj->SecondaryColor.BufferObj->RefCount += step;
- arrayObj->FogCoord.BufferObj->RefCount += step;
- arrayObj->Index.BufferObj->RefCount += step;
- arrayObj->EdgeFlag.BufferObj->RefCount += step;
- for (i = 0; i < Elements(arrayObj->TexCoord); i++)
- arrayObj->TexCoord[i].BufferObj->RefCount += step;
- for (i = 0; i < Elements(arrayObj->VertexAttrib); i++)
- arrayObj->VertexAttrib[i].BufferObj->RefCount += step;
-}
-
-
-/**
- * Copy gl_pixelstore_attrib from src to dst, updating buffer
- * object refcounts.
- */
-static void
-copy_pixelstore(struct gl_context *ctx,
- struct gl_pixelstore_attrib *dst,
- const struct gl_pixelstore_attrib *src)
-{
- dst->Alignment = src->Alignment;
- dst->RowLength = src->RowLength;
- dst->SkipPixels = src->SkipPixels;
- dst->SkipRows = src->SkipRows;
- dst->ImageHeight = src->ImageHeight;
- dst->SkipImages = src->SkipImages;
- dst->SwapBytes = src->SwapBytes;
- dst->LsbFirst = src->LsbFirst;
- dst->ClientStorage = src->ClientStorage;
- dst->Invert = src->Invert;
- _mesa_reference_buffer_object(ctx, &dst->BufferObj, src->BufferObj);
-}
-
-
-#define GL_CLIENT_PACK_BIT (1<<20)
-#define GL_CLIENT_UNPACK_BIT (1<<21)
-
-
-void GLAPIENTRY
-_mesa_PushClientAttrib(GLbitfield mask)
-{
- struct gl_attrib_node *head;
-
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (ctx->ClientAttribStackDepth >= MAX_CLIENT_ATTRIB_STACK_DEPTH) {
- _mesa_error( ctx, GL_STACK_OVERFLOW, "glPushClientAttrib" );
- return;
- }
-
- /* Build linked list of attribute nodes which save all attribute
- * groups specified by the mask.
- */
- head = NULL;
-
- if (mask & GL_CLIENT_PIXEL_STORE_BIT) {
- struct gl_pixelstore_attrib *attr;
- /* packing attribs */
- attr = CALLOC_STRUCT( gl_pixelstore_attrib );
- copy_pixelstore(ctx, attr, &ctx->Pack);
- save_attrib_data(&head, GL_CLIENT_PACK_BIT, attr);
- /* unpacking attribs */
- attr = CALLOC_STRUCT( gl_pixelstore_attrib );
- copy_pixelstore(ctx, attr, &ctx->Unpack);
- save_attrib_data(&head, GL_CLIENT_UNPACK_BIT, attr);
- }
-
- if (mask & GL_CLIENT_VERTEX_ARRAY_BIT) {
- struct gl_array_attrib *attr;
- struct gl_array_object *obj;
-
- attr = MALLOC_STRUCT( gl_array_attrib );
- obj = MALLOC_STRUCT( gl_array_object );
-
-#if FEATURE_ARB_vertex_buffer_object
- /* increment ref counts since we're copying pointers to these objects */
- ctx->Array.ArrayBufferObj->RefCount++;
- ctx->Array.ElementArrayBufferObj->RefCount++;
-#endif
-
- memcpy( attr, &ctx->Array, sizeof(struct gl_array_attrib) );
- memcpy( obj, ctx->Array.ArrayObj, sizeof(struct gl_array_object) );
-
- attr->ArrayObj = obj;
-
- save_attrib_data(&head, GL_CLIENT_VERTEX_ARRAY_BIT, attr);
-
- /* bump reference counts on buffer objects */
- adjust_buffer_object_ref_counts(ctx->Array.ArrayObj, 1);
- }
-
- ctx->ClientAttribStack[ctx->ClientAttribStackDepth] = head;
- ctx->ClientAttribStackDepth++;
-}
-
-
-
-
-void GLAPIENTRY
-_mesa_PopClientAttrib(void)
-{
- struct gl_attrib_node *node, *next;
-
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (ctx->ClientAttribStackDepth == 0) {
- _mesa_error( ctx, GL_STACK_UNDERFLOW, "glPopClientAttrib" );
- return;
- }
-
- ctx->ClientAttribStackDepth--;
- node = ctx->ClientAttribStack[ctx->ClientAttribStackDepth];
-
- while (node) {
- switch (node->kind) {
- case GL_CLIENT_PACK_BIT:
- {
- struct gl_pixelstore_attrib *store =
- (struct gl_pixelstore_attrib *) node->data;
- copy_pixelstore(ctx, &ctx->Pack, store);
- _mesa_reference_buffer_object(ctx, &store->BufferObj, NULL);
- }
- ctx->NewState |= _NEW_PACKUNPACK;
- break;
- case GL_CLIENT_UNPACK_BIT:
- {
- struct gl_pixelstore_attrib *store =
- (struct gl_pixelstore_attrib *) node->data;
- copy_pixelstore(ctx, &ctx->Unpack, store);
- _mesa_reference_buffer_object(ctx, &store->BufferObj, NULL);
- }
- ctx->NewState |= _NEW_PACKUNPACK;
- break;
- case GL_CLIENT_VERTEX_ARRAY_BIT: {
- struct gl_array_attrib * data =
- (struct gl_array_attrib *) node->data;
-
- adjust_buffer_object_ref_counts(ctx->Array.ArrayObj, -1);
-
- ctx->Array.ActiveTexture = data->ActiveTexture;
- if (data->LockCount != 0)
- _mesa_LockArraysEXT(data->LockFirst, data->LockCount);
- else if (ctx->Array.LockCount)
- _mesa_UnlockArraysEXT();
-
- _mesa_BindVertexArrayAPPLE( data->ArrayObj->Name );
-
-#if FEATURE_ARB_vertex_buffer_object
- _mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB,
- data->ArrayBufferObj->Name);
- _mesa_BindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB,
- data->ElementArrayBufferObj->Name);
-#endif
-
- memcpy( ctx->Array.ArrayObj, data->ArrayObj,
- sizeof( struct gl_array_object ) );
-
- FREE( data->ArrayObj );
-
- /* FIXME: Should some bits in ctx->Array->NewState also be set
- * FIXME: here? It seems like it should be set to inclusive-or
- * FIXME: of the old ArrayObj->_Enabled and the new _Enabled.
- */
-
- ctx->NewState |= _NEW_ARRAY;
- break;
- }
- default:
- _mesa_problem( ctx, "Bad attrib flag in PopClientAttrib");
- break;
- }
-
- next = node->next;
- FREE( node->data );
- FREE( node );
- node = next;
- }
-}
-
-
-void
-_mesa_init_attrib_dispatch(struct _glapi_table *disp)
-{
- SET_PopAttrib(disp, _mesa_PopAttrib);
- SET_PushAttrib(disp, _mesa_PushAttrib);
- SET_PopClientAttrib(disp, _mesa_PopClientAttrib);
- SET_PushClientAttrib(disp, _mesa_PushClientAttrib);
-}
-
-
-#endif /* FEATURE_attrib_stack */
-
-
-/**
- * Free any attribute state data that might be attached to the context.
- */
-void
-_mesa_free_attrib_data(struct gl_context *ctx)
-{
- while (ctx->AttribStackDepth > 0) {
- struct gl_attrib_node *attr, *next;
-
- ctx->AttribStackDepth--;
- attr = ctx->AttribStack[ctx->AttribStackDepth];
-
- while (attr) {
- if (attr->kind == GL_TEXTURE_BIT) {
- struct texture_state *texstate = (struct texture_state*)attr->data;
- GLuint u, tgt;
- /* clear references to the saved texture objects */
- for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
- for (tgt = 0; tgt < NUM_TEXTURE_TARGETS; tgt++) {
- _mesa_reference_texobj(&texstate->SavedTexRef[u][tgt], NULL);
- }
- }
- }
- else {
- /* any other chunks of state that requires special handling? */
- }
-
- next = attr->next;
- free(attr->data);
- free(attr);
- attr = next;
- }
- }
-}
-
-
-void _mesa_init_attrib( struct gl_context *ctx )
-{
- /* Renderer and client attribute stacks */
- ctx->AttribStackDepth = 0;
- ctx->ClientAttribStackDepth = 0;
-}
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.6
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "glheader.h"
+#include "imports.h"
+#include "accum.h"
+#include "arrayobj.h"
+#include "attrib.h"
+#include "blend.h"
+#include "buffers.h"
+#include "bufferobj.h"
+#include "clear.h"
+#include "colormac.h"
+#include "context.h"
+#include "depth.h"
+#include "enable.h"
+#include "enums.h"
+#include "fog.h"
+#include "hint.h"
+#include "light.h"
+#include "lines.h"
+#include "macros.h"
+#include "matrix.h"
+#include "mfeatures.h"
+#include "multisample.h"
+#include "points.h"
+#include "polygon.h"
+#include "scissor.h"
+#include "stencil.h"
+#include "texenv.h"
+#include "texgen.h"
+#include "texobj.h"
+#include "texparam.h"
+#include "texstate.h"
+#include "varray.h"
+#include "viewport.h"
+#include "mtypes.h"
+#include "main/dispatch.h"
+
+
+/**
+ * glEnable()/glDisable() attribute group (GL_ENABLE_BIT).
+ */
+struct gl_enable_attrib
+{
+ GLboolean AlphaTest;
+ GLboolean AutoNormal;
+ GLboolean Blend;
+ GLbitfield ClipPlanes;
+ GLboolean ColorMaterial;
+ GLboolean CullFace;
+ GLboolean DepthClamp;
+ GLboolean DepthTest;
+ GLboolean Dither;
+ GLboolean Fog;
+ GLboolean Light[MAX_LIGHTS];
+ GLboolean Lighting;
+ GLboolean LineSmooth;
+ GLboolean LineStipple;
+ GLboolean IndexLogicOp;
+ GLboolean ColorLogicOp;
+
+ GLboolean Map1Color4;
+ GLboolean Map1Index;
+ GLboolean Map1Normal;
+ GLboolean Map1TextureCoord1;
+ GLboolean Map1TextureCoord2;
+ GLboolean Map1TextureCoord3;
+ GLboolean Map1TextureCoord4;
+ GLboolean Map1Vertex3;
+ GLboolean Map1Vertex4;
+ GLboolean Map1Attrib[16]; /* GL_NV_vertex_program */
+ GLboolean Map2Color4;
+ GLboolean Map2Index;
+ GLboolean Map2Normal;
+ GLboolean Map2TextureCoord1;
+ GLboolean Map2TextureCoord2;
+ GLboolean Map2TextureCoord3;
+ GLboolean Map2TextureCoord4;
+ GLboolean Map2Vertex3;
+ GLboolean Map2Vertex4;
+ GLboolean Map2Attrib[16]; /* GL_NV_vertex_program */
+
+ GLboolean Normalize;
+ GLboolean PixelTexture;
+ GLboolean PointSmooth;
+ GLboolean PolygonOffsetPoint;
+ GLboolean PolygonOffsetLine;
+ GLboolean PolygonOffsetFill;
+ GLboolean PolygonSmooth;
+ GLboolean PolygonStipple;
+ GLboolean RescaleNormals;
+ GLboolean Scissor;
+ GLboolean Stencil;
+ GLboolean StencilTwoSide; /* GL_EXT_stencil_two_side */
+ GLboolean MultisampleEnabled; /* GL_ARB_multisample */
+ GLboolean SampleAlphaToCoverage; /* GL_ARB_multisample */
+ GLboolean SampleAlphaToOne; /* GL_ARB_multisample */
+ GLboolean SampleCoverage; /* GL_ARB_multisample */
+ GLboolean SampleCoverageInvert; /* GL_ARB_multisample */
+ GLboolean RasterPositionUnclipped; /* GL_IBM_rasterpos_clip */
+
+ GLbitfield Texture[MAX_TEXTURE_UNITS];
+ GLbitfield TexGen[MAX_TEXTURE_UNITS];
+
+ /* GL_ARB_vertex_program / GL_NV_vertex_program */
+ GLboolean VertexProgram;
+ GLboolean VertexProgramPointSize;
+ GLboolean VertexProgramTwoSide;
+
+ /* GL_ARB_point_sprite / GL_NV_point_sprite */
+ GLboolean PointSprite;
+ GLboolean FragmentShaderATI;
+};
+
+
+/**
+ * Node for the attribute stack.
+ */
+struct gl_attrib_node
+{
+ GLbitfield kind;
+ void *data;
+ struct gl_attrib_node *next;
+};
+
+
+
+/**
+ * Special struct for saving/restoring texture state (GL_TEXTURE_BIT)
+ */
+struct texture_state
+{
+ struct gl_texture_attrib Texture; /**< The usual context state */
+
+ /** to save per texture object state (wrap modes, filters, etc): */
+ struct gl_texture_object SavedObj[MAX_TEXTURE_UNITS][NUM_TEXTURE_TARGETS];
+
+ /**
+ * To save references to texture objects (so they don't get accidentally
+ * deleted while saved in the attribute stack).
+ */
+ struct gl_texture_object *SavedTexRef[MAX_TEXTURE_UNITS][NUM_TEXTURE_TARGETS];
+};
+
+
+#if FEATURE_attrib_stack
+
+
+/**
+ * Allocate new attribute node of given type/kind. Attach payload data.
+ * Insert it into the linked list named by 'head'.
+ */
+static void
+save_attrib_data(struct gl_attrib_node **head,
+ GLbitfield kind, void *payload)
+{
+ struct gl_attrib_node *n = MALLOC_STRUCT(gl_attrib_node);
+ if (n) {
+ n->kind = kind;
+ n->data = payload;
+ /* insert at head */
+ n->next = *head;
+ *head = n;
+ }
+ else {
+ /* out of memory! */
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_PushAttrib(GLbitfield mask)
+{
+ struct gl_attrib_node *head;
+
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glPushAttrib %x\n", (int) mask);
+
+ if (ctx->AttribStackDepth >= MAX_ATTRIB_STACK_DEPTH) {
+ _mesa_error( ctx, GL_STACK_OVERFLOW, "glPushAttrib" );
+ return;
+ }
+
+ /* Build linked list of attribute nodes which save all attribute */
+ /* groups specified by the mask. */
+ head = NULL;
+
+ if (mask & GL_ACCUM_BUFFER_BIT) {
+ struct gl_accum_attrib *attr;
+ attr = MALLOC_STRUCT( gl_accum_attrib );
+ memcpy( attr, &ctx->Accum, sizeof(struct gl_accum_attrib) );
+ save_attrib_data(&head, GL_ACCUM_BUFFER_BIT, attr);
+ }
+
+ if (mask & GL_COLOR_BUFFER_BIT) {
+ GLuint i;
+ struct gl_colorbuffer_attrib *attr;
+ attr = MALLOC_STRUCT( gl_colorbuffer_attrib );
+ memcpy( attr, &ctx->Color, sizeof(struct gl_colorbuffer_attrib) );
+ /* push the Draw FBO's DrawBuffer[] state, not ctx->Color.DrawBuffer[] */
+ for (i = 0; i < ctx->Const.MaxDrawBuffers; i ++)
+ attr->DrawBuffer[i] = ctx->DrawBuffer->ColorDrawBuffer[i];
+ save_attrib_data(&head, GL_COLOR_BUFFER_BIT, attr);
+ }
+
+ if (mask & GL_CURRENT_BIT) {
+ struct gl_current_attrib *attr;
+ FLUSH_CURRENT( ctx, 0 );
+ attr = MALLOC_STRUCT( gl_current_attrib );
+ memcpy( attr, &ctx->Current, sizeof(struct gl_current_attrib) );
+ save_attrib_data(&head, GL_CURRENT_BIT, attr);
+ }
+
+ if (mask & GL_DEPTH_BUFFER_BIT) {
+ struct gl_depthbuffer_attrib *attr;
+ attr = MALLOC_STRUCT( gl_depthbuffer_attrib );
+ memcpy( attr, &ctx->Depth, sizeof(struct gl_depthbuffer_attrib) );
+ save_attrib_data(&head, GL_DEPTH_BUFFER_BIT, attr);
+ }
+
+ if (mask & GL_ENABLE_BIT) {
+ struct gl_enable_attrib *attr;
+ GLuint i;
+ attr = MALLOC_STRUCT( gl_enable_attrib );
+ /* Copy enable flags from all other attributes into the enable struct. */
+ attr->AlphaTest = ctx->Color.AlphaEnabled;
+ attr->AutoNormal = ctx->Eval.AutoNormal;
+ attr->Blend = ctx->Color.BlendEnabled;
+ attr->ClipPlanes = ctx->Transform.ClipPlanesEnabled;
+ attr->ColorMaterial = ctx->Light.ColorMaterialEnabled;
+ attr->CullFace = ctx->Polygon.CullFlag;
+ attr->DepthClamp = ctx->Transform.DepthClamp;
+ attr->DepthTest = ctx->Depth.Test;
+ attr->Dither = ctx->Color.DitherFlag;
+ attr->Fog = ctx->Fog.Enabled;
+ for (i = 0; i < ctx->Const.MaxLights; i++) {
+ attr->Light[i] = ctx->Light.Light[i].Enabled;
+ }
+ attr->Lighting = ctx->Light.Enabled;
+ attr->LineSmooth = ctx->Line.SmoothFlag;
+ attr->LineStipple = ctx->Line.StippleFlag;
+ attr->IndexLogicOp = ctx->Color.IndexLogicOpEnabled;
+ attr->ColorLogicOp = ctx->Color.ColorLogicOpEnabled;
+ attr->Map1Color4 = ctx->Eval.Map1Color4;
+ attr->Map1Index = ctx->Eval.Map1Index;
+ attr->Map1Normal = ctx->Eval.Map1Normal;
+ attr->Map1TextureCoord1 = ctx->Eval.Map1TextureCoord1;
+ attr->Map1TextureCoord2 = ctx->Eval.Map1TextureCoord2;
+ attr->Map1TextureCoord3 = ctx->Eval.Map1TextureCoord3;
+ attr->Map1TextureCoord4 = ctx->Eval.Map1TextureCoord4;
+ attr->Map1Vertex3 = ctx->Eval.Map1Vertex3;
+ attr->Map1Vertex4 = ctx->Eval.Map1Vertex4;
+ memcpy(attr->Map1Attrib, ctx->Eval.Map1Attrib, sizeof(ctx->Eval.Map1Attrib));
+ attr->Map2Color4 = ctx->Eval.Map2Color4;
+ attr->Map2Index = ctx->Eval.Map2Index;
+ attr->Map2Normal = ctx->Eval.Map2Normal;
+ attr->Map2TextureCoord1 = ctx->Eval.Map2TextureCoord1;
+ attr->Map2TextureCoord2 = ctx->Eval.Map2TextureCoord2;
+ attr->Map2TextureCoord3 = ctx->Eval.Map2TextureCoord3;
+ attr->Map2TextureCoord4 = ctx->Eval.Map2TextureCoord4;
+ attr->Map2Vertex3 = ctx->Eval.Map2Vertex3;
+ attr->Map2Vertex4 = ctx->Eval.Map2Vertex4;
+ memcpy(attr->Map2Attrib, ctx->Eval.Map2Attrib, sizeof(ctx->Eval.Map2Attrib));
+ attr->Normalize = ctx->Transform.Normalize;
+ attr->RasterPositionUnclipped = ctx->Transform.RasterPositionUnclipped;
+ attr->PointSmooth = ctx->Point.SmoothFlag;
+ attr->PointSprite = ctx->Point.PointSprite;
+ attr->PolygonOffsetPoint = ctx->Polygon.OffsetPoint;
+ attr->PolygonOffsetLine = ctx->Polygon.OffsetLine;
+ attr->PolygonOffsetFill = ctx->Polygon.OffsetFill;
+ attr->PolygonSmooth = ctx->Polygon.SmoothFlag;
+ attr->PolygonStipple = ctx->Polygon.StippleFlag;
+ attr->RescaleNormals = ctx->Transform.RescaleNormals;
+ attr->Scissor = ctx->Scissor.Enabled;
+ attr->Stencil = ctx->Stencil.Enabled;
+ attr->StencilTwoSide = ctx->Stencil.TestTwoSide;
+ attr->MultisampleEnabled = ctx->Multisample.Enabled;
+ attr->SampleAlphaToCoverage = ctx->Multisample.SampleAlphaToCoverage;
+ attr->SampleAlphaToOne = ctx->Multisample.SampleAlphaToOne;
+ attr->SampleCoverage = ctx->Multisample.SampleCoverage;
+ attr->SampleCoverageInvert = ctx->Multisample.SampleCoverageInvert;
+ for (i = 0; i < ctx->Const.MaxTextureUnits; i++) {
+ attr->Texture[i] = ctx->Texture.Unit[i].Enabled;
+ attr->TexGen[i] = ctx->Texture.Unit[i].TexGenEnabled;
+ }
+ /* GL_NV_vertex_program */
+ attr->VertexProgram = ctx->VertexProgram.Enabled;
+ attr->VertexProgramPointSize = ctx->VertexProgram.PointSizeEnabled;
+ attr->VertexProgramTwoSide = ctx->VertexProgram.TwoSideEnabled;
+ save_attrib_data(&head, GL_ENABLE_BIT, attr);
+ }
+
+ if (mask & GL_EVAL_BIT) {
+ struct gl_eval_attrib *attr;
+ attr = MALLOC_STRUCT( gl_eval_attrib );
+ memcpy( attr, &ctx->Eval, sizeof(struct gl_eval_attrib) );
+ save_attrib_data(&head, GL_EVAL_BIT, attr);
+ }
+
+ if (mask & GL_FOG_BIT) {
+ struct gl_fog_attrib *attr;
+ attr = MALLOC_STRUCT( gl_fog_attrib );
+ memcpy( attr, &ctx->Fog, sizeof(struct gl_fog_attrib) );
+ save_attrib_data(&head, GL_FOG_BIT, attr);
+ }
+
+ if (mask & GL_HINT_BIT) {
+ struct gl_hint_attrib *attr;
+ attr = MALLOC_STRUCT( gl_hint_attrib );
+ memcpy( attr, &ctx->Hint, sizeof(struct gl_hint_attrib) );
+ save_attrib_data(&head, GL_HINT_BIT, attr);
+ }
+
+ if (mask & GL_LIGHTING_BIT) {
+ struct gl_light_attrib *attr;
+ FLUSH_CURRENT(ctx, 0); /* flush material changes */
+ attr = MALLOC_STRUCT( gl_light_attrib );
+ memcpy( attr, &ctx->Light, sizeof(struct gl_light_attrib) );
+ save_attrib_data(&head, GL_LIGHTING_BIT, attr);
+ }
+
+ if (mask & GL_LINE_BIT) {
+ struct gl_line_attrib *attr;
+ attr = MALLOC_STRUCT( gl_line_attrib );
+ memcpy( attr, &ctx->Line, sizeof(struct gl_line_attrib) );
+ save_attrib_data(&head, GL_LINE_BIT, attr);
+ }
+
+ if (mask & GL_LIST_BIT) {
+ struct gl_list_attrib *attr;
+ attr = MALLOC_STRUCT( gl_list_attrib );
+ memcpy( attr, &ctx->List, sizeof(struct gl_list_attrib) );
+ save_attrib_data(&head, GL_LIST_BIT, attr);
+ }
+
+ if (mask & GL_PIXEL_MODE_BIT) {
+ struct gl_pixel_attrib *attr;
+ attr = MALLOC_STRUCT( gl_pixel_attrib );
+ memcpy( attr, &ctx->Pixel, sizeof(struct gl_pixel_attrib) );
+ /* push the Read FBO's ReadBuffer state, not ctx->Pixel.ReadBuffer */
+ attr->ReadBuffer = ctx->ReadBuffer->ColorReadBuffer;
+ save_attrib_data(&head, GL_PIXEL_MODE_BIT, attr);
+ }
+
+ if (mask & GL_POINT_BIT) {
+ struct gl_point_attrib *attr;
+ attr = MALLOC_STRUCT( gl_point_attrib );
+ memcpy( attr, &ctx->Point, sizeof(struct gl_point_attrib) );
+ save_attrib_data(&head, GL_POINT_BIT, attr);
+ }
+
+ if (mask & GL_POLYGON_BIT) {
+ struct gl_polygon_attrib *attr;
+ attr = MALLOC_STRUCT( gl_polygon_attrib );
+ memcpy( attr, &ctx->Polygon, sizeof(struct gl_polygon_attrib) );
+ save_attrib_data(&head, GL_POLYGON_BIT, attr);
+ }
+
+ if (mask & GL_POLYGON_STIPPLE_BIT) {
+ GLuint *stipple;
+ stipple = (GLuint *) MALLOC( 32*sizeof(GLuint) );
+ memcpy( stipple, ctx->PolygonStipple, 32*sizeof(GLuint) );
+ save_attrib_data(&head, GL_POLYGON_STIPPLE_BIT, stipple);
+ }
+
+ if (mask & GL_SCISSOR_BIT) {
+ struct gl_scissor_attrib *attr;
+ attr = MALLOC_STRUCT( gl_scissor_attrib );
+ memcpy( attr, &ctx->Scissor, sizeof(struct gl_scissor_attrib) );
+ save_attrib_data(&head, GL_SCISSOR_BIT, attr);
+ }
+
+ if (mask & GL_STENCIL_BUFFER_BIT) {
+ struct gl_stencil_attrib *attr;
+ attr = MALLOC_STRUCT( gl_stencil_attrib );
+ memcpy( attr, &ctx->Stencil, sizeof(struct gl_stencil_attrib) );
+ save_attrib_data(&head, GL_STENCIL_BUFFER_BIT, attr);
+ }
+
+ if (mask & GL_TEXTURE_BIT) {
+ struct texture_state *texstate = CALLOC_STRUCT(texture_state);
+ GLuint u, tex;
+
+ if (!texstate) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glPushAttrib(GL_TEXTURE_BIT)");
+ goto end;
+ }
+
+ _mesa_lock_context_textures(ctx);
+
+ /* copy/save the bulk of texture state here */
+ memcpy(&texstate->Texture, &ctx->Texture, sizeof(ctx->Texture));
+
+ /* Save references to the currently bound texture objects so they don't
+ * accidentally get deleted while referenced in the attribute stack.
+ */
+ for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
+ for (tex = 0; tex < NUM_TEXTURE_TARGETS; tex++) {
+ _mesa_reference_texobj(&texstate->SavedTexRef[u][tex],
+ ctx->Texture.Unit[u].CurrentTex[tex]);
+ }
+ }
+
+ /* copy state/contents of the currently bound texture objects */
+ for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
+ for (tex = 0; tex < NUM_TEXTURE_TARGETS; tex++) {
+ _mesa_copy_texture_object(&texstate->SavedObj[u][tex],
+ ctx->Texture.Unit[u].CurrentTex[tex]);
+ }
+ }
+
+ _mesa_unlock_context_textures(ctx);
+
+ save_attrib_data(&head, GL_TEXTURE_BIT, texstate);
+ }
+
+ if (mask & GL_TRANSFORM_BIT) {
+ struct gl_transform_attrib *attr;
+ attr = MALLOC_STRUCT( gl_transform_attrib );
+ memcpy( attr, &ctx->Transform, sizeof(struct gl_transform_attrib) );
+ save_attrib_data(&head, GL_TRANSFORM_BIT, attr);
+ }
+
+ if (mask & GL_VIEWPORT_BIT) {
+ struct gl_viewport_attrib *attr;
+ attr = MALLOC_STRUCT( gl_viewport_attrib );
+ memcpy( attr, &ctx->Viewport, sizeof(struct gl_viewport_attrib) );
+ save_attrib_data(&head, GL_VIEWPORT_BIT, attr);
+ }
+
+ /* GL_ARB_multisample */
+ if (mask & GL_MULTISAMPLE_BIT_ARB) {
+ struct gl_multisample_attrib *attr;
+ attr = MALLOC_STRUCT( gl_multisample_attrib );
+ memcpy( attr, &ctx->Multisample, sizeof(struct gl_multisample_attrib) );
+ save_attrib_data(&head, GL_MULTISAMPLE_BIT_ARB, attr);
+ }
+
+end:
+ ctx->AttribStack[ctx->AttribStackDepth] = head;
+ ctx->AttribStackDepth++;
+}
+
+
+
+static void
+pop_enable_group(struct gl_context *ctx, const struct gl_enable_attrib *enable)
+{
+ const GLuint curTexUnitSave = ctx->Texture.CurrentUnit;
+ GLuint i;
+
+#define TEST_AND_UPDATE(VALUE, NEWVALUE, ENUM) \
+ if ((VALUE) != (NEWVALUE)) { \
+ _mesa_set_enable( ctx, ENUM, (NEWVALUE) ); \
+ }
+
+ TEST_AND_UPDATE(ctx->Color.AlphaEnabled, enable->AlphaTest, GL_ALPHA_TEST);
+ if (ctx->Color.BlendEnabled != enable->Blend) {
+ if (ctx->Extensions.EXT_draw_buffers2) {
+ GLuint i;
+ for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) {
+ _mesa_set_enablei(ctx, GL_BLEND, i, (enable->Blend >> i) & 1);
+ }
+ }
+ else {
+ _mesa_set_enable(ctx, GL_BLEND, (enable->Blend & 1));
+ }
+ }
+
+ for (i=0;i<MAX_CLIP_PLANES;i++) {
+ const GLuint mask = 1 << i;
+ if ((ctx->Transform.ClipPlanesEnabled & mask) != (enable->ClipPlanes & mask))
+ _mesa_set_enable(ctx, (GLenum) (GL_CLIP_PLANE0 + i),
+ (GLboolean) ((enable->ClipPlanes & mask) ? GL_TRUE : GL_FALSE));
+ }
+
+ TEST_AND_UPDATE(ctx->Light.ColorMaterialEnabled, enable->ColorMaterial,
+ GL_COLOR_MATERIAL);
+ TEST_AND_UPDATE(ctx->Polygon.CullFlag, enable->CullFace, GL_CULL_FACE);
+ TEST_AND_UPDATE(ctx->Transform.DepthClamp, enable->DepthClamp,
+ GL_DEPTH_CLAMP);
+ TEST_AND_UPDATE(ctx->Depth.Test, enable->DepthTest, GL_DEPTH_TEST);
+ TEST_AND_UPDATE(ctx->Color.DitherFlag, enable->Dither, GL_DITHER);
+ TEST_AND_UPDATE(ctx->Fog.Enabled, enable->Fog, GL_FOG);
+ TEST_AND_UPDATE(ctx->Light.Enabled, enable->Lighting, GL_LIGHTING);
+ TEST_AND_UPDATE(ctx->Line.SmoothFlag, enable->LineSmooth, GL_LINE_SMOOTH);
+ TEST_AND_UPDATE(ctx->Line.StippleFlag, enable->LineStipple,
+ GL_LINE_STIPPLE);
+ TEST_AND_UPDATE(ctx->Color.IndexLogicOpEnabled, enable->IndexLogicOp,
+ GL_INDEX_LOGIC_OP);
+ TEST_AND_UPDATE(ctx->Color.ColorLogicOpEnabled, enable->ColorLogicOp,
+ GL_COLOR_LOGIC_OP);
+
+ TEST_AND_UPDATE(ctx->Eval.Map1Color4, enable->Map1Color4, GL_MAP1_COLOR_4);
+ TEST_AND_UPDATE(ctx->Eval.Map1Index, enable->Map1Index, GL_MAP1_INDEX);
+ TEST_AND_UPDATE(ctx->Eval.Map1Normal, enable->Map1Normal, GL_MAP1_NORMAL);
+ TEST_AND_UPDATE(ctx->Eval.Map1TextureCoord1, enable->Map1TextureCoord1,
+ GL_MAP1_TEXTURE_COORD_1);
+ TEST_AND_UPDATE(ctx->Eval.Map1TextureCoord2, enable->Map1TextureCoord2,
+ GL_MAP1_TEXTURE_COORD_2);
+ TEST_AND_UPDATE(ctx->Eval.Map1TextureCoord3, enable->Map1TextureCoord3,
+ GL_MAP1_TEXTURE_COORD_3);
+ TEST_AND_UPDATE(ctx->Eval.Map1TextureCoord4, enable->Map1TextureCoord4,
+ GL_MAP1_TEXTURE_COORD_4);
+ TEST_AND_UPDATE(ctx->Eval.Map1Vertex3, enable->Map1Vertex3,
+ GL_MAP1_VERTEX_3);
+ TEST_AND_UPDATE(ctx->Eval.Map1Vertex4, enable->Map1Vertex4,
+ GL_MAP1_VERTEX_4);
+ for (i = 0; i < 16; i++) {
+ TEST_AND_UPDATE(ctx->Eval.Map1Attrib[i], enable->Map1Attrib[i],
+ GL_MAP1_VERTEX_ATTRIB0_4_NV + i);
+ }
+
+ TEST_AND_UPDATE(ctx->Eval.Map2Color4, enable->Map2Color4, GL_MAP2_COLOR_4);
+ TEST_AND_UPDATE(ctx->Eval.Map2Index, enable->Map2Index, GL_MAP2_INDEX);
+ TEST_AND_UPDATE(ctx->Eval.Map2Normal, enable->Map2Normal, GL_MAP2_NORMAL);
+ TEST_AND_UPDATE(ctx->Eval.Map2TextureCoord1, enable->Map2TextureCoord1,
+ GL_MAP2_TEXTURE_COORD_1);
+ TEST_AND_UPDATE(ctx->Eval.Map2TextureCoord2, enable->Map2TextureCoord2,
+ GL_MAP2_TEXTURE_COORD_2);
+ TEST_AND_UPDATE(ctx->Eval.Map2TextureCoord3, enable->Map2TextureCoord3,
+ GL_MAP2_TEXTURE_COORD_3);
+ TEST_AND_UPDATE(ctx->Eval.Map2TextureCoord4, enable->Map2TextureCoord4,
+ GL_MAP2_TEXTURE_COORD_4);
+ TEST_AND_UPDATE(ctx->Eval.Map2Vertex3, enable->Map2Vertex3,
+ GL_MAP2_VERTEX_3);
+ TEST_AND_UPDATE(ctx->Eval.Map2Vertex4, enable->Map2Vertex4,
+ GL_MAP2_VERTEX_4);
+ for (i = 0; i < 16; i++) {
+ TEST_AND_UPDATE(ctx->Eval.Map2Attrib[i], enable->Map2Attrib[i],
+ GL_MAP2_VERTEX_ATTRIB0_4_NV + i);
+ }
+
+ TEST_AND_UPDATE(ctx->Eval.AutoNormal, enable->AutoNormal, GL_AUTO_NORMAL);
+ TEST_AND_UPDATE(ctx->Transform.Normalize, enable->Normalize, GL_NORMALIZE);
+ TEST_AND_UPDATE(ctx->Transform.RescaleNormals, enable->RescaleNormals,
+ GL_RESCALE_NORMAL_EXT);
+ TEST_AND_UPDATE(ctx->Transform.RasterPositionUnclipped,
+ enable->RasterPositionUnclipped,
+ GL_RASTER_POSITION_UNCLIPPED_IBM);
+ TEST_AND_UPDATE(ctx->Point.SmoothFlag, enable->PointSmooth,
+ GL_POINT_SMOOTH);
+ if (ctx->Extensions.NV_point_sprite || ctx->Extensions.ARB_point_sprite) {
+ TEST_AND_UPDATE(ctx->Point.PointSprite, enable->PointSprite,
+ GL_POINT_SPRITE_NV);
+ }
+ TEST_AND_UPDATE(ctx->Polygon.OffsetPoint, enable->PolygonOffsetPoint,
+ GL_POLYGON_OFFSET_POINT);
+ TEST_AND_UPDATE(ctx->Polygon.OffsetLine, enable->PolygonOffsetLine,
+ GL_POLYGON_OFFSET_LINE);
+ TEST_AND_UPDATE(ctx->Polygon.OffsetFill, enable->PolygonOffsetFill,
+ GL_POLYGON_OFFSET_FILL);
+ TEST_AND_UPDATE(ctx->Polygon.SmoothFlag, enable->PolygonSmooth,
+ GL_POLYGON_SMOOTH);
+ TEST_AND_UPDATE(ctx->Polygon.StippleFlag, enable->PolygonStipple,
+ GL_POLYGON_STIPPLE);
+ TEST_AND_UPDATE(ctx->Scissor.Enabled, enable->Scissor, GL_SCISSOR_TEST);
+ TEST_AND_UPDATE(ctx->Stencil.Enabled, enable->Stencil, GL_STENCIL_TEST);
+ if (ctx->Extensions.EXT_stencil_two_side) {
+ TEST_AND_UPDATE(ctx->Stencil.TestTwoSide, enable->StencilTwoSide, GL_STENCIL_TEST_TWO_SIDE_EXT);
+ }
+ TEST_AND_UPDATE(ctx->Multisample.Enabled, enable->MultisampleEnabled,
+ GL_MULTISAMPLE_ARB);
+ TEST_AND_UPDATE(ctx->Multisample.SampleAlphaToCoverage,
+ enable->SampleAlphaToCoverage,
+ GL_SAMPLE_ALPHA_TO_COVERAGE_ARB);
+ TEST_AND_UPDATE(ctx->Multisample.SampleAlphaToOne,
+ enable->SampleAlphaToOne,
+ GL_SAMPLE_ALPHA_TO_ONE_ARB);
+ TEST_AND_UPDATE(ctx->Multisample.SampleCoverage,
+ enable->SampleCoverage,
+ GL_SAMPLE_COVERAGE_ARB);
+ TEST_AND_UPDATE(ctx->Multisample.SampleCoverageInvert,
+ enable->SampleCoverageInvert,
+ GL_SAMPLE_COVERAGE_INVERT_ARB);
+ /* GL_ARB_vertex_program, GL_NV_vertex_program */
+ TEST_AND_UPDATE(ctx->VertexProgram.Enabled,
+ enable->VertexProgram,
+ GL_VERTEX_PROGRAM_ARB);
+ TEST_AND_UPDATE(ctx->VertexProgram.PointSizeEnabled,
+ enable->VertexProgramPointSize,
+ GL_VERTEX_PROGRAM_POINT_SIZE_ARB);
+ TEST_AND_UPDATE(ctx->VertexProgram.TwoSideEnabled,
+ enable->VertexProgramTwoSide,
+ GL_VERTEX_PROGRAM_TWO_SIDE_ARB);
+
+#undef TEST_AND_UPDATE
+
+ /* texture unit enables */
+ for (i = 0; i < ctx->Const.MaxTextureUnits; i++) {
+ const GLbitfield enabled = enable->Texture[i];
+ const GLbitfield genEnabled = enable->TexGen[i];
+
+ if (ctx->Texture.Unit[i].Enabled != enabled) {
+ _mesa_ActiveTextureARB(GL_TEXTURE0 + i);
+
+ _mesa_set_enable(ctx, GL_TEXTURE_1D,
+ (enabled & TEXTURE_1D_BIT) ? GL_TRUE : GL_FALSE);
+ _mesa_set_enable(ctx, GL_TEXTURE_2D,
+ (enabled & TEXTURE_2D_BIT) ? GL_TRUE : GL_FALSE);
+ _mesa_set_enable(ctx, GL_TEXTURE_3D,
+ (enabled & TEXTURE_3D_BIT) ? GL_TRUE : GL_FALSE);
+ if (ctx->Extensions.NV_texture_rectangle) {
+ _mesa_set_enable(ctx, GL_TEXTURE_RECTANGLE_ARB,
+ (enabled & TEXTURE_RECT_BIT) ? GL_TRUE : GL_FALSE);
+ }
+ if (ctx->Extensions.ARB_texture_cube_map) {
+ _mesa_set_enable(ctx, GL_TEXTURE_CUBE_MAP,
+ (enabled & TEXTURE_CUBE_BIT) ? GL_TRUE : GL_FALSE);
+ }
+ if (ctx->Extensions.MESA_texture_array) {
+ _mesa_set_enable(ctx, GL_TEXTURE_1D_ARRAY_EXT,
+ (enabled & TEXTURE_1D_ARRAY_BIT) ? GL_TRUE : GL_FALSE);
+ _mesa_set_enable(ctx, GL_TEXTURE_2D_ARRAY_EXT,
+ (enabled & TEXTURE_2D_ARRAY_BIT) ? GL_TRUE : GL_FALSE);
+ }
+ }
+
+ if (ctx->Texture.Unit[i].TexGenEnabled != genEnabled) {
+ _mesa_ActiveTextureARB(GL_TEXTURE0 + i);
+ _mesa_set_enable(ctx, GL_TEXTURE_GEN_S,
+ (genEnabled & S_BIT) ? GL_TRUE : GL_FALSE);
+ _mesa_set_enable(ctx, GL_TEXTURE_GEN_T,
+ (genEnabled & T_BIT) ? GL_TRUE : GL_FALSE);
+ _mesa_set_enable(ctx, GL_TEXTURE_GEN_R,
+ (genEnabled & R_BIT) ? GL_TRUE : GL_FALSE);
+ _mesa_set_enable(ctx, GL_TEXTURE_GEN_Q,
+ (genEnabled & Q_BIT) ? GL_TRUE : GL_FALSE);
+ }
+ }
+
+ _mesa_ActiveTextureARB(GL_TEXTURE0 + curTexUnitSave);
+}
+
+
+/**
+ * Pop/restore texture attribute/group state.
+ */
+static void
+pop_texture_group(struct gl_context *ctx, struct texture_state *texstate)
+{
+ GLuint u;
+
+ _mesa_lock_context_textures(ctx);
+
+ for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
+ const struct gl_texture_unit *unit = &texstate->Texture.Unit[u];
+ GLuint tgt;
+
+ _mesa_ActiveTextureARB(GL_TEXTURE0_ARB + u);
+ _mesa_set_enable(ctx, GL_TEXTURE_1D,
+ (unit->Enabled & TEXTURE_1D_BIT) ? GL_TRUE : GL_FALSE);
+ _mesa_set_enable(ctx, GL_TEXTURE_2D,
+ (unit->Enabled & TEXTURE_2D_BIT) ? GL_TRUE : GL_FALSE);
+ _mesa_set_enable(ctx, GL_TEXTURE_3D,
+ (unit->Enabled & TEXTURE_3D_BIT) ? GL_TRUE : GL_FALSE);
+ if (ctx->Extensions.ARB_texture_cube_map) {
+ _mesa_set_enable(ctx, GL_TEXTURE_CUBE_MAP_ARB,
+ (unit->Enabled & TEXTURE_CUBE_BIT) ? GL_TRUE : GL_FALSE);
+ }
+ if (ctx->Extensions.NV_texture_rectangle) {
+ _mesa_set_enable(ctx, GL_TEXTURE_RECTANGLE_NV,
+ (unit->Enabled & TEXTURE_RECT_BIT) ? GL_TRUE : GL_FALSE);
+ }
+ if (ctx->Extensions.MESA_texture_array) {
+ _mesa_set_enable(ctx, GL_TEXTURE_1D_ARRAY_EXT,
+ (unit->Enabled & TEXTURE_1D_ARRAY_BIT) ? GL_TRUE : GL_FALSE);
+ _mesa_set_enable(ctx, GL_TEXTURE_2D_ARRAY_EXT,
+ (unit->Enabled & TEXTURE_2D_ARRAY_BIT) ? GL_TRUE : GL_FALSE);
+ }
+
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, unit->EnvMode);
+ _mesa_TexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, unit->EnvColor);
+ _mesa_TexGeni(GL_S, GL_TEXTURE_GEN_MODE, unit->GenS.Mode);
+ _mesa_TexGeni(GL_T, GL_TEXTURE_GEN_MODE, unit->GenT.Mode);
+ _mesa_TexGeni(GL_R, GL_TEXTURE_GEN_MODE, unit->GenR.Mode);
+ _mesa_TexGeni(GL_Q, GL_TEXTURE_GEN_MODE, unit->GenQ.Mode);
+ _mesa_TexGenfv(GL_S, GL_OBJECT_PLANE, unit->GenS.ObjectPlane);
+ _mesa_TexGenfv(GL_T, GL_OBJECT_PLANE, unit->GenT.ObjectPlane);
+ _mesa_TexGenfv(GL_R, GL_OBJECT_PLANE, unit->GenR.ObjectPlane);
+ _mesa_TexGenfv(GL_Q, GL_OBJECT_PLANE, unit->GenQ.ObjectPlane);
+ /* Eye plane done differently to avoid re-transformation */
+ {
+ struct gl_texture_unit *destUnit = &ctx->Texture.Unit[u];
+ COPY_4FV(destUnit->GenS.EyePlane, unit->GenS.EyePlane);
+ COPY_4FV(destUnit->GenT.EyePlane, unit->GenT.EyePlane);
+ COPY_4FV(destUnit->GenR.EyePlane, unit->GenR.EyePlane);
+ COPY_4FV(destUnit->GenQ.EyePlane, unit->GenQ.EyePlane);
+ if (ctx->Driver.TexGen) {
+ ctx->Driver.TexGen(ctx, GL_S, GL_EYE_PLANE, unit->GenS.EyePlane);
+ ctx->Driver.TexGen(ctx, GL_T, GL_EYE_PLANE, unit->GenT.EyePlane);
+ ctx->Driver.TexGen(ctx, GL_R, GL_EYE_PLANE, unit->GenR.EyePlane);
+ ctx->Driver.TexGen(ctx, GL_Q, GL_EYE_PLANE, unit->GenQ.EyePlane);
+ }
+ }
+ _mesa_set_enable(ctx, GL_TEXTURE_GEN_S,
+ ((unit->TexGenEnabled & S_BIT) ? GL_TRUE : GL_FALSE));
+ _mesa_set_enable(ctx, GL_TEXTURE_GEN_T,
+ ((unit->TexGenEnabled & T_BIT) ? GL_TRUE : GL_FALSE));
+ _mesa_set_enable(ctx, GL_TEXTURE_GEN_R,
+ ((unit->TexGenEnabled & R_BIT) ? GL_TRUE : GL_FALSE));
+ _mesa_set_enable(ctx, GL_TEXTURE_GEN_Q,
+ ((unit->TexGenEnabled & Q_BIT) ? GL_TRUE : GL_FALSE));
+ if (ctx->Extensions.EXT_texture_lod_bias) {
+ _mesa_TexEnvf(GL_TEXTURE_FILTER_CONTROL_EXT,
+ GL_TEXTURE_LOD_BIAS_EXT, unit->LodBias);
+ }
+ if (ctx->Extensions.EXT_texture_env_combine ||
+ ctx->Extensions.ARB_texture_env_combine) {
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB,
+ unit->Combine.ModeRGB);
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA,
+ unit->Combine.ModeA);
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB,
+ unit->Combine.SourceRGB[0]);
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB,
+ unit->Combine.SourceRGB[1]);
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB,
+ unit->Combine.SourceRGB[2]);
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA,
+ unit->Combine.SourceA[0]);
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA,
+ unit->Combine.SourceA[1]);
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_ALPHA,
+ unit->Combine.SourceA[2]);
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB,
+ unit->Combine.OperandRGB[0]);
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB,
+ unit->Combine.OperandRGB[1]);
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB,
+ unit->Combine.OperandRGB[2]);
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA,
+ unit->Combine.OperandA[0]);
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA,
+ unit->Combine.OperandA[1]);
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_ALPHA,
+ unit->Combine.OperandA[2]);
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_RGB_SCALE,
+ 1 << unit->Combine.ScaleShiftRGB);
+ _mesa_TexEnvi(GL_TEXTURE_ENV, GL_ALPHA_SCALE,
+ 1 << unit->Combine.ScaleShiftA);
+ }
+
+ /* Restore texture object state for each target */
+ for (tgt = 0; tgt < NUM_TEXTURE_TARGETS; tgt++) {
+ const struct gl_texture_object *obj = NULL;
+ GLenum target;
+
+ obj = &texstate->SavedObj[u][tgt];
+
+ /* don't restore state for unsupported targets to prevent
+ * raising GL errors.
+ */
+ if (obj->Target == GL_TEXTURE_CUBE_MAP_ARB &&
+ !ctx->Extensions.ARB_texture_cube_map) {
+ continue;
+ }
+ else if (obj->Target == GL_TEXTURE_RECTANGLE_NV &&
+ !ctx->Extensions.NV_texture_rectangle) {
+ continue;
+ }
+ else if ((obj->Target == GL_TEXTURE_1D_ARRAY_EXT ||
+ obj->Target == GL_TEXTURE_2D_ARRAY_EXT) &&
+ !ctx->Extensions.MESA_texture_array) {
+ continue;
+ }
+
+ target = obj->Target;
+
+ _mesa_BindTexture(target, obj->Name);
+
+ _mesa_TexParameterfv(target, GL_TEXTURE_BORDER_COLOR, obj->BorderColor.f);
+ _mesa_TexParameterf(target, GL_TEXTURE_PRIORITY, obj->Priority);
+ _mesa_TexParameteri(target, GL_TEXTURE_WRAP_S, obj->WrapS);
+ _mesa_TexParameteri(target, GL_TEXTURE_WRAP_T, obj->WrapT);
+ _mesa_TexParameteri(target, GL_TEXTURE_WRAP_R, obj->WrapR);
+ _mesa_TexParameteri(target, GL_TEXTURE_MIN_FILTER, obj->MinFilter);
+ _mesa_TexParameteri(target, GL_TEXTURE_MAG_FILTER, obj->MagFilter);
+ _mesa_TexParameterf(target, GL_TEXTURE_MIN_LOD, obj->MinLod);
+ _mesa_TexParameterf(target, GL_TEXTURE_MAX_LOD, obj->MaxLod);
+ _mesa_TexParameterf(target, GL_TEXTURE_LOD_BIAS, obj->LodBias);
+ _mesa_TexParameteri(target, GL_TEXTURE_BASE_LEVEL, obj->BaseLevel);
+ if (target != GL_TEXTURE_RECTANGLE_ARB)
+ _mesa_TexParameteri(target, GL_TEXTURE_MAX_LEVEL, obj->MaxLevel);
+ if (ctx->Extensions.EXT_texture_filter_anisotropic) {
+ _mesa_TexParameterf(target, GL_TEXTURE_MAX_ANISOTROPY_EXT,
+ obj->MaxAnisotropy);
+ }
+ if (ctx->Extensions.ARB_shadow_ambient) {
+ _mesa_TexParameterf(target, GL_TEXTURE_COMPARE_FAIL_VALUE_ARB,
+ obj->CompareFailValue);
+ }
+ }
+
+ /* remove saved references to the texture objects */
+ for (tgt = 0; tgt < NUM_TEXTURE_TARGETS; tgt++) {
+ _mesa_reference_texobj(&texstate->SavedTexRef[u][tgt], NULL);
+ }
+ }
+
+ _mesa_ActiveTextureARB(GL_TEXTURE0_ARB + texstate->Texture.CurrentUnit);
+
+ _mesa_unlock_context_textures(ctx);
+}
+
+
+/*
+ * This function is kind of long just because we have to call a lot
+ * of device driver functions to update device driver state.
+ *
+ * XXX As it is now, most of the pop-code calls immediate-mode Mesa functions
+ * in order to restore GL state. This isn't terribly efficient but it
+ * ensures that dirty flags and any derived state gets updated correctly.
+ * We could at least check if the value to restore equals the current value
+ * and then skip the Mesa call.
+ */
+void GLAPIENTRY
+_mesa_PopAttrib(void)
+{
+ struct gl_attrib_node *attr, *next;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (ctx->AttribStackDepth == 0) {
+ _mesa_error( ctx, GL_STACK_UNDERFLOW, "glPopAttrib" );
+ return;
+ }
+
+ ctx->AttribStackDepth--;
+ attr = ctx->AttribStack[ctx->AttribStackDepth];
+
+ while (attr) {
+
+ if (MESA_VERBOSE & VERBOSE_API) {
+ _mesa_debug(ctx, "glPopAttrib %s\n",
+ _mesa_lookup_enum_by_nr(attr->kind));
+ }
+
+ switch (attr->kind) {
+ case GL_ACCUM_BUFFER_BIT:
+ {
+ const struct gl_accum_attrib *accum;
+ accum = (const struct gl_accum_attrib *) attr->data;
+ _mesa_ClearAccum(accum->ClearColor[0],
+ accum->ClearColor[1],
+ accum->ClearColor[2],
+ accum->ClearColor[3]);
+ }
+ break;
+ case GL_COLOR_BUFFER_BIT:
+ {
+ const struct gl_colorbuffer_attrib *color;
+
+ color = (const struct gl_colorbuffer_attrib *) attr->data;
+ _mesa_ClearIndex((GLfloat) color->ClearIndex);
+ _mesa_ClearColor(color->ClearColor[0],
+ color->ClearColor[1],
+ color->ClearColor[2],
+ color->ClearColor[3]);
+ _mesa_IndexMask(color->IndexMask);
+ if (!ctx->Extensions.EXT_draw_buffers2) {
+ _mesa_ColorMask((GLboolean) (color->ColorMask[0][0] != 0),
+ (GLboolean) (color->ColorMask[0][1] != 0),
+ (GLboolean) (color->ColorMask[0][2] != 0),
+ (GLboolean) (color->ColorMask[0][3] != 0));
+ }
+ else {
+ GLuint i;
+ for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) {
+ _mesa_ColorMaskIndexed(i,
+ (GLboolean) (color->ColorMask[i][0] != 0),
+ (GLboolean) (color->ColorMask[i][1] != 0),
+ (GLboolean) (color->ColorMask[i][2] != 0),
+ (GLboolean) (color->ColorMask[i][3] != 0));
+ }
+ }
+ {
+ /* Need to determine if more than one color output is
+ * specified. If so, call glDrawBuffersARB, else call
+ * glDrawBuffer(). This is a subtle, but essential point
+ * since GL_FRONT (for example) is illegal for the former
+ * function, but legal for the later.
+ */
+ GLboolean multipleBuffers = GL_FALSE;
+ GLuint i;
+
+ for (i = 1; i < ctx->Const.MaxDrawBuffers; i++) {
+ if (color->DrawBuffer[i] != GL_NONE) {
+ multipleBuffers = GL_TRUE;
+ break;
+ }
+ }
+ /* Call the API_level functions, not _mesa_drawbuffers()
+ * since we need to do error checking on the pop'd
+ * GL_DRAW_BUFFER.
+ * Ex: if GL_FRONT were pushed, but we're popping with a
+ * user FBO bound, GL_FRONT will be illegal and we'll need
+ * to record that error. Per OpenGL ARB decision.
+ */
+ if (multipleBuffers)
+ _mesa_DrawBuffersARB(ctx->Const.MaxDrawBuffers,
+ color->DrawBuffer);
+ else
+ _mesa_DrawBuffer(color->DrawBuffer[0]);
+ }
+ _mesa_set_enable(ctx, GL_ALPHA_TEST, color->AlphaEnabled);
+ _mesa_AlphaFunc(color->AlphaFunc, color->AlphaRef);
+ if (ctx->Color.BlendEnabled != color->BlendEnabled) {
+ if (ctx->Extensions.EXT_draw_buffers2) {
+ GLuint i;
+ for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) {
+ _mesa_set_enablei(ctx, GL_BLEND, i,
+ (color->BlendEnabled >> i) & 1);
+ }
+ }
+ else {
+ _mesa_set_enable(ctx, GL_BLEND, (color->BlendEnabled & 1));
+ }
+ }
+ if (ctx->Color._BlendFuncPerBuffer ||
+ ctx->Color._BlendEquationPerBuffer) {
+ /* set blend per buffer */
+ GLuint buf;
+ for (buf = 0; buf < ctx->Const.MaxDrawBuffers; buf++) {
+ _mesa_BlendFuncSeparatei(buf, color->Blend[buf].SrcRGB,
+ color->Blend[buf].DstRGB,
+ color->Blend[buf].SrcA,
+ color->Blend[buf].DstA);
+ _mesa_BlendEquationSeparatei(buf,
+ color->Blend[buf].EquationRGB,
+ color->Blend[buf].EquationA);
+ }
+ }
+ else {
+ /* set same blend modes for all buffers */
+ _mesa_BlendFuncSeparateEXT(color->Blend[0].SrcRGB,
+ color->Blend[0].DstRGB,
+ color->Blend[0].SrcA,
+ color->Blend[0].DstA);
+ /* This special case is because glBlendEquationSeparateEXT
+ * cannot take GL_LOGIC_OP as a parameter.
+ */
+ if (color->Blend[0].EquationRGB ==
+ color->Blend[0].EquationA) {
+ _mesa_BlendEquation(color->Blend[0].EquationRGB);
+ }
+ else {
+ _mesa_BlendEquationSeparateEXT(
+ color->Blend[0].EquationRGB,
+ color->Blend[0].EquationA);
+ }
+ }
+ _mesa_BlendColor(color->BlendColor[0],
+ color->BlendColor[1],
+ color->BlendColor[2],
+ color->BlendColor[3]);
+ _mesa_LogicOp(color->LogicOp);
+ _mesa_set_enable(ctx, GL_COLOR_LOGIC_OP,
+ color->ColorLogicOpEnabled);
+ _mesa_set_enable(ctx, GL_INDEX_LOGIC_OP,
+ color->IndexLogicOpEnabled);
+ _mesa_set_enable(ctx, GL_DITHER, color->DitherFlag);
+ }
+ break;
+ case GL_CURRENT_BIT:
+ FLUSH_CURRENT( ctx, 0 );
+ memcpy( &ctx->Current, attr->data,
+ sizeof(struct gl_current_attrib) );
+ break;
+ case GL_DEPTH_BUFFER_BIT:
+ {
+ const struct gl_depthbuffer_attrib *depth;
+ depth = (const struct gl_depthbuffer_attrib *) attr->data;
+ _mesa_DepthFunc(depth->Func);
+ _mesa_ClearDepth(depth->Clear);
+ _mesa_set_enable(ctx, GL_DEPTH_TEST, depth->Test);
+ _mesa_DepthMask(depth->Mask);
+ }
+ break;
+ case GL_ENABLE_BIT:
+ {
+ const struct gl_enable_attrib *enable;
+ enable = (const struct gl_enable_attrib *) attr->data;
+ pop_enable_group(ctx, enable);
+ ctx->NewState |= _NEW_ALL;
+ }
+ break;
+ case GL_EVAL_BIT:
+ memcpy( &ctx->Eval, attr->data, sizeof(struct gl_eval_attrib) );
+ ctx->NewState |= _NEW_EVAL;
+ break;
+ case GL_FOG_BIT:
+ {
+ const struct gl_fog_attrib *fog;
+ fog = (const struct gl_fog_attrib *) attr->data;
+ _mesa_set_enable(ctx, GL_FOG, fog->Enabled);
+ _mesa_Fogfv(GL_FOG_COLOR, fog->Color);
+ _mesa_Fogf(GL_FOG_DENSITY, fog->Density);
+ _mesa_Fogf(GL_FOG_START, fog->Start);
+ _mesa_Fogf(GL_FOG_END, fog->End);
+ _mesa_Fogf(GL_FOG_INDEX, fog->Index);
+ _mesa_Fogi(GL_FOG_MODE, fog->Mode);
+ }
+ break;
+ case GL_HINT_BIT:
+ {
+ const struct gl_hint_attrib *hint;
+ hint = (const struct gl_hint_attrib *) attr->data;
+ _mesa_Hint(GL_PERSPECTIVE_CORRECTION_HINT,
+ hint->PerspectiveCorrection );
+ _mesa_Hint(GL_POINT_SMOOTH_HINT, hint->PointSmooth);
+ _mesa_Hint(GL_LINE_SMOOTH_HINT, hint->LineSmooth);
+ _mesa_Hint(GL_POLYGON_SMOOTH_HINT, hint->PolygonSmooth);
+ _mesa_Hint(GL_FOG_HINT, hint->Fog);
+ _mesa_Hint(GL_CLIP_VOLUME_CLIPPING_HINT_EXT,
+ hint->ClipVolumeClipping);
+ _mesa_Hint(GL_TEXTURE_COMPRESSION_HINT_ARB,
+ hint->TextureCompression);
+ }
+ break;
+ case GL_LIGHTING_BIT:
+ {
+ GLuint i;
+ const struct gl_light_attrib *light;
+ light = (const struct gl_light_attrib *) attr->data;
+ /* lighting enable */
+ _mesa_set_enable(ctx, GL_LIGHTING, light->Enabled);
+ /* per-light state */
+ if (_math_matrix_is_dirty(ctx->ModelviewMatrixStack.Top))
+ _math_matrix_analyse( ctx->ModelviewMatrixStack.Top );
+
+ for (i = 0; i < ctx->Const.MaxLights; i++) {
+ const struct gl_light *l = &light->Light[i];
+ _mesa_set_enable(ctx, GL_LIGHT0 + i, l->Enabled);
+ _mesa_light(ctx, i, GL_AMBIENT, l->Ambient);
+ _mesa_light(ctx, i, GL_DIFFUSE, l->Diffuse);
+ _mesa_light(ctx, i, GL_SPECULAR, l->Specular );
+ _mesa_light(ctx, i, GL_POSITION, l->EyePosition);
+ _mesa_light(ctx, i, GL_SPOT_DIRECTION, l->SpotDirection);
+ {
+ GLfloat p[4] = { 0 };
+ p[0] = l->SpotExponent;
+ _mesa_light(ctx, i, GL_SPOT_EXPONENT, p);
+ }
+ {
+ GLfloat p[4] = { 0 };
+ p[0] = l->SpotCutoff;
+ _mesa_light(ctx, i, GL_SPOT_CUTOFF, p);
+ }
+ {
+ GLfloat p[4] = { 0 };
+ p[0] = l->ConstantAttenuation;
+ _mesa_light(ctx, i, GL_CONSTANT_ATTENUATION, p);
+ }
+ {
+ GLfloat p[4] = { 0 };
+ p[0] = l->LinearAttenuation;
+ _mesa_light(ctx, i, GL_LINEAR_ATTENUATION, p);
+ }
+ {
+ GLfloat p[4] = { 0 };
+ p[0] = l->QuadraticAttenuation;
+ _mesa_light(ctx, i, GL_QUADRATIC_ATTENUATION, p);
+ }
+ }
+ /* light model */
+ _mesa_LightModelfv(GL_LIGHT_MODEL_AMBIENT,
+ light->Model.Ambient);
+ _mesa_LightModelf(GL_LIGHT_MODEL_LOCAL_VIEWER,
+ (GLfloat) light->Model.LocalViewer);
+ _mesa_LightModelf(GL_LIGHT_MODEL_TWO_SIDE,
+ (GLfloat) light->Model.TwoSide);
+ _mesa_LightModelf(GL_LIGHT_MODEL_COLOR_CONTROL,
+ (GLfloat) light->Model.ColorControl);
+ /* shade model */
+ _mesa_ShadeModel(light->ShadeModel);
+ /* color material */
+ _mesa_ColorMaterial(light->ColorMaterialFace,
+ light->ColorMaterialMode);
+ _mesa_set_enable(ctx, GL_COLOR_MATERIAL,
+ light->ColorMaterialEnabled);
+ /* materials */
+ memcpy(&ctx->Light.Material, &light->Material,
+ sizeof(struct gl_material));
+ }
+ break;
+ case GL_LINE_BIT:
+ {
+ const struct gl_line_attrib *line;
+ line = (const struct gl_line_attrib *) attr->data;
+ _mesa_set_enable(ctx, GL_LINE_SMOOTH, line->SmoothFlag);
+ _mesa_set_enable(ctx, GL_LINE_STIPPLE, line->StippleFlag);
+ _mesa_LineStipple(line->StippleFactor, line->StipplePattern);
+ _mesa_LineWidth(line->Width);
+ }
+ break;
+ case GL_LIST_BIT:
+ memcpy( &ctx->List, attr->data, sizeof(struct gl_list_attrib) );
+ break;
+ case GL_PIXEL_MODE_BIT:
+ memcpy( &ctx->Pixel, attr->data, sizeof(struct gl_pixel_attrib) );
+ /* XXX what other pixel state needs to be set by function calls? */
+ _mesa_ReadBuffer(ctx->Pixel.ReadBuffer);
+ ctx->NewState |= _NEW_PIXEL;
+ break;
+ case GL_POINT_BIT:
+ {
+ const struct gl_point_attrib *point;
+ point = (const struct gl_point_attrib *) attr->data;
+ _mesa_PointSize(point->Size);
+ _mesa_set_enable(ctx, GL_POINT_SMOOTH, point->SmoothFlag);
+ if (ctx->Extensions.EXT_point_parameters) {
+ _mesa_PointParameterfv(GL_DISTANCE_ATTENUATION_EXT,
+ point->Params);
+ _mesa_PointParameterf(GL_POINT_SIZE_MIN_EXT,
+ point->MinSize);
+ _mesa_PointParameterf(GL_POINT_SIZE_MAX_EXT,
+ point->MaxSize);
+ _mesa_PointParameterf(GL_POINT_FADE_THRESHOLD_SIZE_EXT,
+ point->Threshold);
+ }
+ if (ctx->Extensions.NV_point_sprite
+ || ctx->Extensions.ARB_point_sprite) {
+ GLuint u;
+ for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
+ _mesa_TexEnvi(GL_POINT_SPRITE_NV, GL_COORD_REPLACE_NV,
+ (GLint) point->CoordReplace[u]);
+ }
+ _mesa_set_enable(ctx, GL_POINT_SPRITE_NV,point->PointSprite);
+ if (ctx->Extensions.NV_point_sprite)
+ _mesa_PointParameteri(GL_POINT_SPRITE_R_MODE_NV,
+ ctx->Point.SpriteRMode);
+ _mesa_PointParameterf(GL_POINT_SPRITE_COORD_ORIGIN,
+ (GLfloat)ctx->Point.SpriteOrigin);
+ }
+ }
+ break;
+ case GL_POLYGON_BIT:
+ {
+ const struct gl_polygon_attrib *polygon;
+ polygon = (const struct gl_polygon_attrib *) attr->data;
+ _mesa_CullFace(polygon->CullFaceMode);
+ _mesa_FrontFace(polygon->FrontFace);
+ _mesa_PolygonMode(GL_FRONT, polygon->FrontMode);
+ _mesa_PolygonMode(GL_BACK, polygon->BackMode);
+ _mesa_PolygonOffset(polygon->OffsetFactor,
+ polygon->OffsetUnits);
+ _mesa_set_enable(ctx, GL_POLYGON_SMOOTH, polygon->SmoothFlag);
+ _mesa_set_enable(ctx, GL_POLYGON_STIPPLE, polygon->StippleFlag);
+ _mesa_set_enable(ctx, GL_CULL_FACE, polygon->CullFlag);
+ _mesa_set_enable(ctx, GL_POLYGON_OFFSET_POINT,
+ polygon->OffsetPoint);
+ _mesa_set_enable(ctx, GL_POLYGON_OFFSET_LINE,
+ polygon->OffsetLine);
+ _mesa_set_enable(ctx, GL_POLYGON_OFFSET_FILL,
+ polygon->OffsetFill);
+ }
+ break;
+ case GL_POLYGON_STIPPLE_BIT:
+ memcpy( ctx->PolygonStipple, attr->data, 32*sizeof(GLuint) );
+ ctx->NewState |= _NEW_POLYGONSTIPPLE;
+ if (ctx->Driver.PolygonStipple)
+ ctx->Driver.PolygonStipple( ctx, (const GLubyte *) attr->data );
+ break;
+ case GL_SCISSOR_BIT:
+ {
+ const struct gl_scissor_attrib *scissor;
+ scissor = (const struct gl_scissor_attrib *) attr->data;
+ _mesa_Scissor(scissor->X, scissor->Y,
+ scissor->Width, scissor->Height);
+ _mesa_set_enable(ctx, GL_SCISSOR_TEST, scissor->Enabled);
+ }
+ break;
+ case GL_STENCIL_BUFFER_BIT:
+ {
+ const struct gl_stencil_attrib *stencil;
+ stencil = (const struct gl_stencil_attrib *) attr->data;
+ _mesa_set_enable(ctx, GL_STENCIL_TEST, stencil->Enabled);
+ _mesa_ClearStencil(stencil->Clear);
+ if (ctx->Extensions.EXT_stencil_two_side) {
+ _mesa_set_enable(ctx, GL_STENCIL_TEST_TWO_SIDE_EXT,
+ stencil->TestTwoSide);
+ _mesa_ActiveStencilFaceEXT(stencil->ActiveFace
+ ? GL_BACK : GL_FRONT);
+ }
+ /* front state */
+ _mesa_StencilFuncSeparate(GL_FRONT,
+ stencil->Function[0],
+ stencil->Ref[0],
+ stencil->ValueMask[0]);
+ _mesa_StencilMaskSeparate(GL_FRONT, stencil->WriteMask[0]);
+ _mesa_StencilOpSeparate(GL_FRONT, stencil->FailFunc[0],
+ stencil->ZFailFunc[0],
+ stencil->ZPassFunc[0]);
+ /* back state */
+ _mesa_StencilFuncSeparate(GL_BACK,
+ stencil->Function[1],
+ stencil->Ref[1],
+ stencil->ValueMask[1]);
+ _mesa_StencilMaskSeparate(GL_BACK, stencil->WriteMask[1]);
+ _mesa_StencilOpSeparate(GL_BACK, stencil->FailFunc[1],
+ stencil->ZFailFunc[1],
+ stencil->ZPassFunc[1]);
+ }
+ break;
+ case GL_TRANSFORM_BIT:
+ {
+ GLuint i;
+ const struct gl_transform_attrib *xform;
+ xform = (const struct gl_transform_attrib *) attr->data;
+ _mesa_MatrixMode(xform->MatrixMode);
+ if (_math_matrix_is_dirty(ctx->ProjectionMatrixStack.Top))
+ _math_matrix_analyse( ctx->ProjectionMatrixStack.Top );
+
+ /* restore clip planes */
+ for (i = 0; i < MAX_CLIP_PLANES; i++) {
+ const GLuint mask = 1 << i;
+ const GLfloat *eyePlane = xform->EyeUserPlane[i];
+ COPY_4V(ctx->Transform.EyeUserPlane[i], eyePlane);
+ if (xform->ClipPlanesEnabled & mask) {
+ _mesa_set_enable(ctx, GL_CLIP_PLANE0 + i, GL_TRUE);
+ }
+ else {
+ _mesa_set_enable(ctx, GL_CLIP_PLANE0 + i, GL_FALSE);
+ }
+ if (ctx->Driver.ClipPlane)
+ ctx->Driver.ClipPlane( ctx, GL_CLIP_PLANE0 + i, eyePlane );
+ }
+
+ /* normalize/rescale */
+ if (xform->Normalize != ctx->Transform.Normalize)
+ _mesa_set_enable(ctx, GL_NORMALIZE,ctx->Transform.Normalize);
+ if (xform->RescaleNormals != ctx->Transform.RescaleNormals)
+ _mesa_set_enable(ctx, GL_RESCALE_NORMAL_EXT,
+ ctx->Transform.RescaleNormals);
+ if (xform->DepthClamp != ctx->Transform.DepthClamp)
+ _mesa_set_enable(ctx, GL_DEPTH_CLAMP,
+ ctx->Transform.DepthClamp);
+ }
+ break;
+ case GL_TEXTURE_BIT:
+ /* Take care of texture object reference counters */
+ {
+ struct texture_state *texstate
+ = (struct texture_state *) attr->data;
+ pop_texture_group(ctx, texstate);
+ ctx->NewState |= _NEW_TEXTURE;
+ }
+ break;
+ case GL_VIEWPORT_BIT:
+ {
+ const struct gl_viewport_attrib *vp;
+ vp = (const struct gl_viewport_attrib *) attr->data;
+ _mesa_Viewport(vp->X, vp->Y, vp->Width, vp->Height);
+ _mesa_DepthRange(vp->Near, vp->Far);
+ }
+ break;
+ case GL_MULTISAMPLE_BIT_ARB:
+ {
+ const struct gl_multisample_attrib *ms;
+ ms = (const struct gl_multisample_attrib *) attr->data;
+ _mesa_SampleCoverageARB(ms->SampleCoverageValue,
+ ms->SampleCoverageInvert);
+ }
+ break;
+
+ default:
+ _mesa_problem( ctx, "Bad attrib flag in PopAttrib");
+ break;
+ }
+
+ next = attr->next;
+ FREE( attr->data );
+ FREE( attr );
+ attr = next;
+ }
+}
+
+
+/**
+ * Helper for incrementing/decrementing vertex buffer object reference
+ * counts when pushing/popping the GL_CLIENT_VERTEX_ARRAY_BIT attribute group.
+ */
+static void
+adjust_buffer_object_ref_counts(struct gl_array_object *arrayObj, GLint step)
+{
+ GLuint i;
+
+ arrayObj->Vertex.BufferObj->RefCount += step;
+ arrayObj->Weight.BufferObj->RefCount += step;
+ arrayObj->Normal.BufferObj->RefCount += step;
+ arrayObj->Color.BufferObj->RefCount += step;
+ arrayObj->SecondaryColor.BufferObj->RefCount += step;
+ arrayObj->FogCoord.BufferObj->RefCount += step;
+ arrayObj->Index.BufferObj->RefCount += step;
+ arrayObj->EdgeFlag.BufferObj->RefCount += step;
+ for (i = 0; i < Elements(arrayObj->TexCoord); i++)
+ arrayObj->TexCoord[i].BufferObj->RefCount += step;
+ for (i = 0; i < Elements(arrayObj->VertexAttrib); i++)
+ arrayObj->VertexAttrib[i].BufferObj->RefCount += step;
+}
+
+
+/**
+ * Copy gl_pixelstore_attrib from src to dst, updating buffer
+ * object refcounts.
+ */
+static void
+copy_pixelstore(struct gl_context *ctx,
+ struct gl_pixelstore_attrib *dst,
+ const struct gl_pixelstore_attrib *src)
+{
+ dst->Alignment = src->Alignment;
+ dst->RowLength = src->RowLength;
+ dst->SkipPixels = src->SkipPixels;
+ dst->SkipRows = src->SkipRows;
+ dst->ImageHeight = src->ImageHeight;
+ dst->SkipImages = src->SkipImages;
+ dst->SwapBytes = src->SwapBytes;
+ dst->LsbFirst = src->LsbFirst;
+ dst->ClientStorage = src->ClientStorage;
+ dst->Invert = src->Invert;
+ _mesa_reference_buffer_object(ctx, &dst->BufferObj, src->BufferObj);
+}
+
+
+#define GL_CLIENT_PACK_BIT (1<<20)
+#define GL_CLIENT_UNPACK_BIT (1<<21)
+
+
+void GLAPIENTRY
+_mesa_PushClientAttrib(GLbitfield mask)
+{
+ struct gl_attrib_node *head;
+
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (ctx->ClientAttribStackDepth >= MAX_CLIENT_ATTRIB_STACK_DEPTH) {
+ _mesa_error( ctx, GL_STACK_OVERFLOW, "glPushClientAttrib" );
+ return;
+ }
+
+ /* Build linked list of attribute nodes which save all attribute
+ * groups specified by the mask.
+ */
+ head = NULL;
+
+ if (mask & GL_CLIENT_PIXEL_STORE_BIT) {
+ struct gl_pixelstore_attrib *attr;
+ /* packing attribs */
+ attr = CALLOC_STRUCT( gl_pixelstore_attrib );
+ copy_pixelstore(ctx, attr, &ctx->Pack);
+ save_attrib_data(&head, GL_CLIENT_PACK_BIT, attr);
+ /* unpacking attribs */
+ attr = CALLOC_STRUCT( gl_pixelstore_attrib );
+ copy_pixelstore(ctx, attr, &ctx->Unpack);
+ save_attrib_data(&head, GL_CLIENT_UNPACK_BIT, attr);
+ }
+
+ if (mask & GL_CLIENT_VERTEX_ARRAY_BIT) {
+ struct gl_array_attrib *attr;
+ struct gl_array_object *obj;
+
+ attr = MALLOC_STRUCT( gl_array_attrib );
+ obj = MALLOC_STRUCT( gl_array_object );
+
+#if FEATURE_ARB_vertex_buffer_object
+ /* increment ref counts since we're copying pointers to these objects */
+ ctx->Array.ArrayBufferObj->RefCount++;
+ ctx->Array.ElementArrayBufferObj->RefCount++;
+#endif
+
+ memcpy( attr, &ctx->Array, sizeof(struct gl_array_attrib) );
+ memcpy( obj, ctx->Array.ArrayObj, sizeof(struct gl_array_object) );
+
+ attr->ArrayObj = obj;
+
+ save_attrib_data(&head, GL_CLIENT_VERTEX_ARRAY_BIT, attr);
+
+ /* bump reference counts on buffer objects */
+ adjust_buffer_object_ref_counts(ctx->Array.ArrayObj, 1);
+ }
+
+ ctx->ClientAttribStack[ctx->ClientAttribStackDepth] = head;
+ ctx->ClientAttribStackDepth++;
+}
+
+
+
+
+void GLAPIENTRY
+_mesa_PopClientAttrib(void)
+{
+ struct gl_attrib_node *node, *next;
+
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (ctx->ClientAttribStackDepth == 0) {
+ _mesa_error( ctx, GL_STACK_UNDERFLOW, "glPopClientAttrib" );
+ return;
+ }
+
+ ctx->ClientAttribStackDepth--;
+ node = ctx->ClientAttribStack[ctx->ClientAttribStackDepth];
+
+ while (node) {
+ switch (node->kind) {
+ case GL_CLIENT_PACK_BIT:
+ {
+ struct gl_pixelstore_attrib *store =
+ (struct gl_pixelstore_attrib *) node->data;
+ copy_pixelstore(ctx, &ctx->Pack, store);
+ _mesa_reference_buffer_object(ctx, &store->BufferObj, NULL);
+ }
+ ctx->NewState |= _NEW_PACKUNPACK;
+ break;
+ case GL_CLIENT_UNPACK_BIT:
+ {
+ struct gl_pixelstore_attrib *store =
+ (struct gl_pixelstore_attrib *) node->data;
+ copy_pixelstore(ctx, &ctx->Unpack, store);
+ _mesa_reference_buffer_object(ctx, &store->BufferObj, NULL);
+ }
+ ctx->NewState |= _NEW_PACKUNPACK;
+ break;
+ case GL_CLIENT_VERTEX_ARRAY_BIT: {
+ struct gl_array_attrib * data =
+ (struct gl_array_attrib *) node->data;
+
+ adjust_buffer_object_ref_counts(ctx->Array.ArrayObj, -1);
+
+ ctx->Array.ActiveTexture = data->ActiveTexture;
+ if (data->LockCount != 0)
+ _mesa_LockArraysEXT(data->LockFirst, data->LockCount);
+ else if (ctx->Array.LockCount)
+ _mesa_UnlockArraysEXT();
+
+ _mesa_BindVertexArrayAPPLE( data->ArrayObj->Name );
+
+#if FEATURE_ARB_vertex_buffer_object
+ _mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB,
+ data->ArrayBufferObj->Name);
+ _mesa_BindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB,
+ data->ElementArrayBufferObj->Name);
+#endif
+
+ memcpy( ctx->Array.ArrayObj, data->ArrayObj,
+ sizeof( struct gl_array_object ) );
+
+ FREE( data->ArrayObj );
+
+ /* FIXME: Should some bits in ctx->Array->NewState also be set
+ * FIXME: here? It seems like it should be set to inclusive-or
+ * FIXME: of the old ArrayObj->_Enabled and the new _Enabled.
+ */
+
+ ctx->NewState |= _NEW_ARRAY;
+ break;
+ }
+ default:
+ _mesa_problem( ctx, "Bad attrib flag in PopClientAttrib");
+ break;
+ }
+
+ next = node->next;
+ FREE( node->data );
+ FREE( node );
+ node = next;
+ }
+}
+
+
+void
+_mesa_init_attrib_dispatch(struct _glapi_table *disp)
+{
+ SET_PopAttrib(disp, _mesa_PopAttrib);
+ SET_PushAttrib(disp, _mesa_PushAttrib);
+ SET_PopClientAttrib(disp, _mesa_PopClientAttrib);
+ SET_PushClientAttrib(disp, _mesa_PushClientAttrib);
+}
+
+
+#endif /* FEATURE_attrib_stack */
+
+
+/**
+ * Free any attribute state data that might be attached to the context.
+ */
+void
+_mesa_free_attrib_data(struct gl_context *ctx)
+{
+ while (ctx->AttribStackDepth > 0) {
+ struct gl_attrib_node *attr, *next;
+
+ ctx->AttribStackDepth--;
+ attr = ctx->AttribStack[ctx->AttribStackDepth];
+
+ while (attr) {
+ if (attr->kind == GL_TEXTURE_BIT) {
+ struct texture_state *texstate = (struct texture_state*)attr->data;
+ GLuint u, tgt;
+ /* clear references to the saved texture objects */
+ for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
+ for (tgt = 0; tgt < NUM_TEXTURE_TARGETS; tgt++) {
+ _mesa_reference_texobj(&texstate->SavedTexRef[u][tgt], NULL);
+ }
+ }
+ }
+ else {
+ /* any other chunks of state that requires special handling? */
+ }
+
+ next = attr->next;
+ free(attr->data);
+ free(attr);
+ attr = next;
+ }
+ }
+}
+
+
+void _mesa_init_attrib( struct gl_context *ctx )
+{
+ /* Renderer and client attribute stacks */
+ ctx->AttribStackDepth = 0;
+ ctx->ClientAttribStackDepth = 0;
+}
diff --git a/mesalib/src/mesa/main/blend.c b/mesalib/src/mesa/main/blend.c
index c74a16803..22031fd2a 100644
--- a/mesalib/src/mesa/main/blend.c
+++ b/mesalib/src/mesa/main/blend.c
@@ -1,822 +1,822 @@
-/**
- * \file blend.c
- * Blending operations.
- */
-
-/*
- * Mesa 3-D graphics library
- * Version: 6.5.1
- *
- * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-
-#include "glheader.h"
-#include "blend.h"
-#include "context.h"
-#include "enums.h"
-#include "macros.h"
-#include "mtypes.h"
-
-
-
-/**
- * Check if given blend source factor is legal.
- * \return GL_TRUE if legal, GL_FALSE otherwise.
- */
-static GLboolean
-legal_src_factor(const struct gl_context *ctx, GLenum factor)
-{
- switch (factor) {
- case GL_SRC_COLOR:
- case GL_ONE_MINUS_SRC_COLOR:
- return ctx->Extensions.NV_blend_square;
- case GL_ZERO:
- case GL_ONE:
- case GL_DST_COLOR:
- case GL_ONE_MINUS_DST_COLOR:
- case GL_SRC_ALPHA:
- case GL_ONE_MINUS_SRC_ALPHA:
- case GL_DST_ALPHA:
- case GL_ONE_MINUS_DST_ALPHA:
- case GL_SRC_ALPHA_SATURATE:
- case GL_CONSTANT_COLOR:
- case GL_ONE_MINUS_CONSTANT_COLOR:
- case GL_CONSTANT_ALPHA:
- case GL_ONE_MINUS_CONSTANT_ALPHA:
- return GL_TRUE;
- default:
- return GL_FALSE;
- }
-}
-
-
-/**
- * Check if given blend destination factor is legal.
- * \return GL_TRUE if legal, GL_FALSE otherwise.
- */
-static GLboolean
-legal_dst_factor(const struct gl_context *ctx, GLenum factor)
-{
- switch (factor) {
- case GL_DST_COLOR:
- case GL_ONE_MINUS_DST_COLOR:
- return ctx->Extensions.NV_blend_square;
- case GL_ZERO:
- case GL_ONE:
- case GL_SRC_COLOR:
- case GL_ONE_MINUS_SRC_COLOR:
- case GL_SRC_ALPHA:
- case GL_ONE_MINUS_SRC_ALPHA:
- case GL_DST_ALPHA:
- case GL_ONE_MINUS_DST_ALPHA:
- case GL_CONSTANT_COLOR:
- case GL_ONE_MINUS_CONSTANT_COLOR:
- case GL_CONSTANT_ALPHA:
- case GL_ONE_MINUS_CONSTANT_ALPHA:
- return GL_TRUE;
- default:
- return GL_FALSE;
- }
-}
-
-
-/**
- * Check if src/dest RGB/A blend factors are legal. If not generate
- * a GL error.
- * \return GL_TRUE if factors are legal, GL_FALSE otherwise.
- */
-static GLboolean
-validate_blend_factors(struct gl_context *ctx, const char *func,
- GLenum sfactorRGB, GLenum dfactorRGB,
- GLenum sfactorA, GLenum dfactorA)
-{
- if (!legal_src_factor(ctx, sfactorRGB)) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "%s(sfactorRGB = %s)", func,
- _mesa_lookup_enum_by_nr(sfactorRGB));
- return GL_FALSE;
- }
-
- if (!legal_dst_factor(ctx, dfactorRGB)) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "%s(dfactorRGB = %s)", func,
- _mesa_lookup_enum_by_nr(dfactorRGB));
- return GL_FALSE;
- }
-
- if (sfactorA != sfactorRGB && !legal_src_factor(ctx, sfactorA)) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "%s(sfactorA = %s)", func,
- _mesa_lookup_enum_by_nr(sfactorA));
- return GL_FALSE;
- }
-
- if (dfactorA != dfactorRGB && !legal_dst_factor(ctx, dfactorA)) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "%s(dfactorA = %s)", func,
- _mesa_lookup_enum_by_nr(dfactorA));
- return GL_FALSE;
- }
-
- return GL_TRUE;
-}
-
-
-/**
- * Specify the blending operation.
- *
- * \param sfactor source factor operator.
- * \param dfactor destination factor operator.
- *
- * \sa glBlendFunc, glBlendFuncSeparateEXT
- */
-void GLAPIENTRY
-_mesa_BlendFunc( GLenum sfactor, GLenum dfactor )
-{
- _mesa_BlendFuncSeparateEXT(sfactor, dfactor, sfactor, dfactor);
-}
-
-
-/**
- * Set the separate blend source/dest factors for all draw buffers.
- *
- * \param sfactorRGB RGB source factor operator.
- * \param dfactorRGB RGB destination factor operator.
- * \param sfactorA alpha source factor operator.
- * \param dfactorA alpha destination factor operator.
- */
-void GLAPIENTRY
-_mesa_BlendFuncSeparateEXT( GLenum sfactorRGB, GLenum dfactorRGB,
- GLenum sfactorA, GLenum dfactorA )
-{
- GLuint buf, numBuffers;
- GLboolean changed;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glBlendFuncSeparate %s %s %s %s\n",
- _mesa_lookup_enum_by_nr(sfactorRGB),
- _mesa_lookup_enum_by_nr(dfactorRGB),
- _mesa_lookup_enum_by_nr(sfactorA),
- _mesa_lookup_enum_by_nr(dfactorA));
-
- if (!validate_blend_factors(ctx, "glBlendFuncSeparate",
- sfactorRGB, dfactorRGB,
- sfactorA, dfactorA)) {
- return;
- }
-
- numBuffers = ctx->Extensions.ARB_draw_buffers_blend
- ? ctx->Const.MaxDrawBuffers : 1;
-
- changed = GL_FALSE;
- for (buf = 0; buf < numBuffers; buf++) {
- if (ctx->Color.Blend[buf].SrcRGB != sfactorRGB ||
- ctx->Color.Blend[buf].DstRGB != dfactorRGB ||
- ctx->Color.Blend[buf].SrcA != sfactorA ||
- ctx->Color.Blend[buf].DstA != dfactorA) {
- changed = GL_TRUE;
- break;
- }
- }
- if (!changed)
- return;
-
- FLUSH_VERTICES(ctx, _NEW_COLOR);
-
- for (buf = 0; buf < numBuffers; buf++) {
- ctx->Color.Blend[buf].SrcRGB = sfactorRGB;
- ctx->Color.Blend[buf].DstRGB = dfactorRGB;
- ctx->Color.Blend[buf].SrcA = sfactorA;
- ctx->Color.Blend[buf].DstA = dfactorA;
- }
- ctx->Color._BlendFuncPerBuffer = GL_FALSE;
-
- if (ctx->Driver.BlendFuncSeparate) {
- ctx->Driver.BlendFuncSeparate(ctx, sfactorRGB, dfactorRGB,
- sfactorA, dfactorA);
- }
-}
-
-
-#if _HAVE_FULL_GL
-
-
-/**
- * Set blend source/dest factors for one color buffer/target.
- */
-void GLAPIENTRY
-_mesa_BlendFunci(GLuint buf, GLenum sfactor, GLenum dfactor)
-{
- _mesa_BlendFuncSeparatei(buf, sfactor, dfactor, sfactor, dfactor);
-}
-
-
-/**
- * Set separate blend source/dest factors for one color buffer/target.
- */
-void GLAPIENTRY
-_mesa_BlendFuncSeparatei(GLuint buf, GLenum sfactorRGB, GLenum dfactorRGB,
- GLenum sfactorA, GLenum dfactorA)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (!ctx->Extensions.ARB_draw_buffers_blend) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glBlendFunc[Separate]i()");
- return;
- }
-
- if (buf >= ctx->Const.MaxDrawBuffers) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glBlendFuncSeparatei(buffer=%u)",
- buf);
- return;
- }
-
- if (!validate_blend_factors(ctx, "glBlendFuncSeparatei",
- sfactorRGB, dfactorRGB,
- sfactorA, dfactorA)) {
- return;
- }
-
- if (ctx->Color.Blend[buf].SrcRGB == sfactorRGB &&
- ctx->Color.Blend[buf].DstRGB == dfactorRGB &&
- ctx->Color.Blend[buf].SrcA == sfactorA &&
- ctx->Color.Blend[buf].DstA == dfactorA)
- return; /* no change */
-
- FLUSH_VERTICES(ctx, _NEW_COLOR);
-
- ctx->Color.Blend[buf].SrcRGB = sfactorRGB;
- ctx->Color.Blend[buf].DstRGB = dfactorRGB;
- ctx->Color.Blend[buf].SrcA = sfactorA;
- ctx->Color.Blend[buf].DstA = dfactorA;
- ctx->Color._BlendFuncPerBuffer = GL_TRUE;
-
- if (ctx->Driver.BlendFuncSeparatei) {
- ctx->Driver.BlendFuncSeparatei(ctx, buf, sfactorRGB, dfactorRGB,
- sfactorA, dfactorA);
- }
-}
-
-
-/**
- * Check if given blend equation is legal.
- * \return GL_TRUE if legal, GL_FALSE otherwise.
- */
-static GLboolean
-legal_blend_equation(const struct gl_context *ctx,
- GLenum mode, GLboolean is_separate)
-{
- switch (mode) {
- case GL_FUNC_ADD:
- return GL_TRUE;
- case GL_MIN:
- case GL_MAX:
- return ctx->Extensions.EXT_blend_minmax;
- case GL_LOGIC_OP:
- /* glBlendEquationSeparate cannot take GL_LOGIC_OP as a parameter.
- */
- return ctx->Extensions.EXT_blend_logic_op && !is_separate;
- case GL_FUNC_SUBTRACT:
- case GL_FUNC_REVERSE_SUBTRACT:
- return ctx->Extensions.EXT_blend_subtract;
- default:
- return GL_FALSE;
- }
-}
-
-
-/* This is really an extension function! */
-void GLAPIENTRY
-_mesa_BlendEquation( GLenum mode )
-{
- GLuint buf, numBuffers;
- GLboolean changed;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glBlendEquation(%s)\n",
- _mesa_lookup_enum_by_nr(mode));
-
- if (!legal_blend_equation(ctx, mode, GL_FALSE)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBlendEquation");
- return;
- }
-
- numBuffers = ctx->Extensions.ARB_draw_buffers_blend
- ? ctx->Const.MaxDrawBuffers : 1;
-
- changed = GL_FALSE;
- for (buf = 0; buf < numBuffers; buf++) {
- if (ctx->Color.Blend[buf].EquationRGB != mode ||
- ctx->Color.Blend[buf].EquationA != mode) {
- changed = GL_TRUE;
- break;
- }
- }
- if (!changed)
- return;
-
- FLUSH_VERTICES(ctx, _NEW_COLOR);
- for (buf = 0; buf < numBuffers; buf++) {
- ctx->Color.Blend[buf].EquationRGB = mode;
- ctx->Color.Blend[buf].EquationA = mode;
- }
- ctx->Color._BlendEquationPerBuffer = GL_FALSE;
-
- if (ctx->Driver.BlendEquationSeparate)
- (*ctx->Driver.BlendEquationSeparate)( ctx, mode, mode );
-}
-
-
-/**
- * Set blend equation for one color buffer/target.
- */
-void GLAPIENTRY
-_mesa_BlendEquationi(GLuint buf, GLenum mode)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glBlendEquationi(%u, %s)\n",
- buf, _mesa_lookup_enum_by_nr(mode));
-
- if (buf >= ctx->Const.MaxDrawBuffers) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glBlendFuncSeparatei(buffer=%u)",
- buf);
- return;
- }
-
- if (!legal_blend_equation(ctx, mode, GL_FALSE)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBlendEquationi");
- return;
- }
-
- if (ctx->Color.Blend[buf].EquationRGB == mode &&
- ctx->Color.Blend[buf].EquationA == mode)
- return; /* no change */
-
- FLUSH_VERTICES(ctx, _NEW_COLOR);
- ctx->Color.Blend[buf].EquationRGB = mode;
- ctx->Color.Blend[buf].EquationA = mode;
- ctx->Color._BlendEquationPerBuffer = GL_TRUE;
-
- if (ctx->Driver.BlendEquationSeparatei)
- ctx->Driver.BlendEquationSeparatei(ctx, buf, mode, mode);
-}
-
-
-void GLAPIENTRY
-_mesa_BlendEquationSeparateEXT( GLenum modeRGB, GLenum modeA )
-{
- GLuint buf, numBuffers;
- GLboolean changed;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glBlendEquationSeparateEXT(%s %s)\n",
- _mesa_lookup_enum_by_nr(modeRGB),
- _mesa_lookup_enum_by_nr(modeA));
-
- if ( (modeRGB != modeA) && !ctx->Extensions.EXT_blend_equation_separate ) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlendEquationSeparateEXT not supported by driver");
- return;
- }
-
- if (!legal_blend_equation(ctx, modeRGB, GL_TRUE)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBlendEquationSeparateEXT(modeRGB)");
- return;
- }
-
- if (!legal_blend_equation(ctx, modeA, GL_TRUE)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBlendEquationSeparateEXT(modeA)");
- return;
- }
-
- numBuffers = ctx->Extensions.ARB_draw_buffers_blend
- ? ctx->Const.MaxDrawBuffers : 1;
-
- changed = GL_FALSE;
- for (buf = 0; buf < numBuffers; buf++) {
- if (ctx->Color.Blend[buf].EquationRGB != modeRGB ||
- ctx->Color.Blend[buf].EquationA != modeA) {
- changed = GL_TRUE;
- break;
- }
- }
- if (!changed)
- return;
-
- FLUSH_VERTICES(ctx, _NEW_COLOR);
- for (buf = 0; buf < numBuffers; buf++) {
- ctx->Color.Blend[buf].EquationRGB = modeRGB;
- ctx->Color.Blend[buf].EquationA = modeA;
- }
- ctx->Color._BlendEquationPerBuffer = GL_FALSE;
-
- if (ctx->Driver.BlendEquationSeparate)
- ctx->Driver.BlendEquationSeparate(ctx, modeRGB, modeA);
-}
-
-
-/**
- * Set separate blend equations for one color buffer/target.
- */
-void
-_mesa_BlendEquationSeparatei(GLuint buf, GLenum modeRGB, GLenum modeA)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glBlendEquationSeparatei(%u, %s %s)\n", buf,
- _mesa_lookup_enum_by_nr(modeRGB),
- _mesa_lookup_enum_by_nr(modeA));
-
- if (buf >= ctx->Const.MaxDrawBuffers) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glBlendEquationSeparatei(buffer=%u)",
- buf);
- return;
- }
-
- if (!legal_blend_equation(ctx, modeRGB, GL_TRUE)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBlendEquationSeparatei(modeRGB)");
- return;
- }
-
- if (!legal_blend_equation(ctx, modeA, GL_TRUE)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBlendEquationSeparatei(modeA)");
- return;
- }
-
- if (ctx->Color.Blend[buf].EquationRGB == modeRGB &&
- ctx->Color.Blend[buf].EquationA == modeA)
- return; /* no change */
-
- FLUSH_VERTICES(ctx, _NEW_COLOR);
- ctx->Color.Blend[buf].EquationRGB = modeRGB;
- ctx->Color.Blend[buf].EquationA = modeA;
- ctx->Color._BlendEquationPerBuffer = GL_TRUE;
-
- if (ctx->Driver.BlendEquationSeparatei)
- ctx->Driver.BlendEquationSeparatei(ctx, buf, modeRGB, modeA);
-}
-
-
-
-#endif /* _HAVE_FULL_GL */
-
-
-/**
- * Set the blending color.
- *
- * \param red red color component.
- * \param green green color component.
- * \param blue blue color component.
- * \param alpha alpha color component.
- *
- * \sa glBlendColor().
- *
- * Clamps the parameters and updates gl_colorbuffer_attrib::BlendColor. On a
- * change, flushes the vertices and notifies the driver via
- * dd_function_table::BlendColor callback.
- */
-void GLAPIENTRY
-_mesa_BlendColor( GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha )
-{
- GLfloat tmp[4];
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- tmp[0] = CLAMP( red, 0.0F, 1.0F );
- tmp[1] = CLAMP( green, 0.0F, 1.0F );
- tmp[2] = CLAMP( blue, 0.0F, 1.0F );
- tmp[3] = CLAMP( alpha, 0.0F, 1.0F );
-
- if (TEST_EQ_4V(tmp, ctx->Color.BlendColor))
- return;
-
- FLUSH_VERTICES(ctx, _NEW_COLOR);
- COPY_4FV( ctx->Color.BlendColor, tmp );
-
- if (ctx->Driver.BlendColor)
- (*ctx->Driver.BlendColor)(ctx, tmp);
-}
-
-
-/**
- * Specify the alpha test function.
- *
- * \param func alpha comparison function.
- * \param ref reference value.
- *
- * Verifies the parameters and updates gl_colorbuffer_attrib.
- * On a change, flushes the vertices and notifies the driver via
- * dd_function_table::AlphaFunc callback.
- */
-void GLAPIENTRY
-_mesa_AlphaFunc( GLenum func, GLclampf ref )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glAlphaFunc(%s, %f)\n",
- _mesa_lookup_enum_by_nr(func), ref);
-
- switch (func) {
- case GL_NEVER:
- case GL_LESS:
- case GL_EQUAL:
- case GL_LEQUAL:
- case GL_GREATER:
- case GL_NOTEQUAL:
- case GL_GEQUAL:
- case GL_ALWAYS:
- ref = CLAMP(ref, 0.0F, 1.0F);
-
- if (ctx->Color.AlphaFunc == func && ctx->Color.AlphaRef == ref)
- return; /* no change */
-
- FLUSH_VERTICES(ctx, _NEW_COLOR);
- ctx->Color.AlphaFunc = func;
- ctx->Color.AlphaRef = ref;
-
- if (ctx->Driver.AlphaFunc)
- ctx->Driver.AlphaFunc(ctx, func, ref);
- return;
-
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glAlphaFunc(func)" );
- return;
- }
-}
-
-
-/**
- * Specify a logic pixel operation for color index rendering.
- *
- * \param opcode operation.
- *
- * Verifies that \p opcode is a valid enum and updates
-gl_colorbuffer_attrib::LogicOp.
- * On a change, flushes the vertices and notifies the driver via the
- * dd_function_table::LogicOpcode callback.
- */
-void GLAPIENTRY
-_mesa_LogicOp( GLenum opcode )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glLogicOp(%s)\n", _mesa_lookup_enum_by_nr(opcode));
-
- switch (opcode) {
- case GL_CLEAR:
- case GL_SET:
- case GL_COPY:
- case GL_COPY_INVERTED:
- case GL_NOOP:
- case GL_INVERT:
- case GL_AND:
- case GL_NAND:
- case GL_OR:
- case GL_NOR:
- case GL_XOR:
- case GL_EQUIV:
- case GL_AND_REVERSE:
- case GL_AND_INVERTED:
- case GL_OR_REVERSE:
- case GL_OR_INVERTED:
- break;
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glLogicOp" );
- return;
- }
-
- if (ctx->Color.LogicOp == opcode)
- return;
-
- FLUSH_VERTICES(ctx, _NEW_COLOR);
- ctx->Color.LogicOp = opcode;
-
- if (ctx->Driver.LogicOpcode)
- ctx->Driver.LogicOpcode( ctx, opcode );
-}
-
-#if _HAVE_FULL_GL
-void GLAPIENTRY
-_mesa_IndexMask( GLuint mask )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (ctx->Color.IndexMask == mask)
- return;
-
- FLUSH_VERTICES(ctx, _NEW_COLOR);
- ctx->Color.IndexMask = mask;
-}
-#endif
-
-
-/**
- * Enable or disable writing of frame buffer color components.
- *
- * \param red whether to mask writing of the red color component.
- * \param green whether to mask writing of the green color component.
- * \param blue whether to mask writing of the blue color component.
- * \param alpha whether to mask writing of the alpha color component.
- *
- * \sa glColorMask().
- *
- * Sets the appropriate value of gl_colorbuffer_attrib::ColorMask. On a
- * change, flushes the vertices and notifies the driver via the
- * dd_function_table::ColorMask callback.
- */
-void GLAPIENTRY
-_mesa_ColorMask( GLboolean red, GLboolean green,
- GLboolean blue, GLboolean alpha )
-{
- GET_CURRENT_CONTEXT(ctx);
- GLubyte tmp[4];
- GLuint i;
- GLboolean flushed;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glColorMask(%d, %d, %d, %d)\n",
- red, green, blue, alpha);
-
- /* Shouldn't have any information about channel depth in core mesa
- * -- should probably store these as the native booleans:
- */
- tmp[RCOMP] = red ? 0xff : 0x0;
- tmp[GCOMP] = green ? 0xff : 0x0;
- tmp[BCOMP] = blue ? 0xff : 0x0;
- tmp[ACOMP] = alpha ? 0xff : 0x0;
-
- flushed = GL_FALSE;
- for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) {
- if (!TEST_EQ_4V(tmp, ctx->Color.ColorMask[i])) {
- if (!flushed) {
- FLUSH_VERTICES(ctx, _NEW_COLOR);
- }
- flushed = GL_TRUE;
- COPY_4UBV(ctx->Color.ColorMask[i], tmp);
- }
- }
-
- if (ctx->Driver.ColorMask)
- ctx->Driver.ColorMask( ctx, red, green, blue, alpha );
-}
-
-
-/**
- * For GL_EXT_draw_buffers2 and GL3
- */
-void GLAPIENTRY
-_mesa_ColorMaskIndexed( GLuint buf, GLboolean red, GLboolean green,
- GLboolean blue, GLboolean alpha )
-{
- GLubyte tmp[4];
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glColorMaskIndexed %u %d %d %d %d\n",
- buf, red, green, blue, alpha);
-
- if (buf >= ctx->Const.MaxDrawBuffers) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glColorMaskIndexed(buf=%u)", buf);
- return;
- }
-
- /* Shouldn't have any information about channel depth in core mesa
- * -- should probably store these as the native booleans:
- */
- tmp[RCOMP] = red ? 0xff : 0x0;
- tmp[GCOMP] = green ? 0xff : 0x0;
- tmp[BCOMP] = blue ? 0xff : 0x0;
- tmp[ACOMP] = alpha ? 0xff : 0x0;
-
- if (TEST_EQ_4V(tmp, ctx->Color.ColorMask[buf]))
- return;
-
- FLUSH_VERTICES(ctx, _NEW_COLOR);
- COPY_4UBV(ctx->Color.ColorMask[buf], tmp);
-
- if (ctx->Driver.ColorMaskIndexed)
- ctx->Driver.ColorMaskIndexed(ctx, buf, red, green, blue, alpha);
-}
-
-
-extern void GLAPIENTRY
-_mesa_ClampColorARB(GLenum target, GLenum clamp)
-{
- GET_CURRENT_CONTEXT(ctx);
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (clamp != GL_TRUE && clamp != GL_FALSE && clamp != GL_FIXED_ONLY_ARB) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glClampColorARB(clamp)");
- return;
- }
-
- switch (target) {
- case GL_CLAMP_VERTEX_COLOR_ARB:
- ctx->Light.ClampVertexColor = clamp;
- break;
- case GL_CLAMP_FRAGMENT_COLOR_ARB:
- ctx->Color.ClampFragmentColor = clamp;
- break;
- case GL_CLAMP_READ_COLOR_ARB:
- ctx->Color.ClampReadColor = clamp;
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glClampColorARB(target)");
- return;
- }
-}
-
-
-
-
-/**********************************************************************/
-/** \name Initialization */
-/*@{*/
-
-/**
- * Initialization of the context's Color attribute group.
- *
- * \param ctx GL context.
- *
- * Initializes the related fields in the context color attribute group,
- * __struct gl_contextRec::Color.
- */
-void _mesa_init_color( struct gl_context * ctx )
-{
- GLuint i;
-
- /* Color buffer group */
- ctx->Color.IndexMask = ~0u;
- memset(ctx->Color.ColorMask, 0xff, sizeof(ctx->Color.ColorMask));
- ctx->Color.ClearIndex = 0;
- ASSIGN_4V( ctx->Color.ClearColor, 0, 0, 0, 0 );
- ctx->Color.AlphaEnabled = GL_FALSE;
- ctx->Color.AlphaFunc = GL_ALWAYS;
- ctx->Color.AlphaRef = 0;
- ctx->Color.BlendEnabled = 0x0;
- for (i = 0; i < Elements(ctx->Color.Blend); i++) {
- ctx->Color.Blend[i].SrcRGB = GL_ONE;
- ctx->Color.Blend[i].DstRGB = GL_ZERO;
- ctx->Color.Blend[i].SrcA = GL_ONE;
- ctx->Color.Blend[i].DstA = GL_ZERO;
- ctx->Color.Blend[i].EquationRGB = GL_FUNC_ADD;
- ctx->Color.Blend[i].EquationA = GL_FUNC_ADD;
- }
- ASSIGN_4V( ctx->Color.BlendColor, 0.0, 0.0, 0.0, 0.0 );
- ctx->Color.IndexLogicOpEnabled = GL_FALSE;
- ctx->Color.ColorLogicOpEnabled = GL_FALSE;
- ctx->Color._LogicOpEnabled = GL_FALSE;
- ctx->Color.LogicOp = GL_COPY;
- ctx->Color.DitherFlag = GL_TRUE;
-
- if (ctx->Visual.doubleBufferMode) {
- ctx->Color.DrawBuffer[0] = GL_BACK;
- }
- else {
- ctx->Color.DrawBuffer[0] = GL_FRONT;
- }
-
- ctx->Color.ClampFragmentColor = GL_FIXED_ONLY_ARB;
- ctx->Color.ClampReadColor = GL_FIXED_ONLY_ARB;
-}
-
-/*@}*/
+/**
+ * \file blend.c
+ * Blending operations.
+ */
+
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5.1
+ *
+ * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+
+#include "glheader.h"
+#include "blend.h"
+#include "context.h"
+#include "enums.h"
+#include "macros.h"
+#include "mtypes.h"
+
+
+
+/**
+ * Check if given blend source factor is legal.
+ * \return GL_TRUE if legal, GL_FALSE otherwise.
+ */
+static GLboolean
+legal_src_factor(const struct gl_context *ctx, GLenum factor)
+{
+ switch (factor) {
+ case GL_SRC_COLOR:
+ case GL_ONE_MINUS_SRC_COLOR:
+ return ctx->Extensions.NV_blend_square;
+ case GL_ZERO:
+ case GL_ONE:
+ case GL_DST_COLOR:
+ case GL_ONE_MINUS_DST_COLOR:
+ case GL_SRC_ALPHA:
+ case GL_ONE_MINUS_SRC_ALPHA:
+ case GL_DST_ALPHA:
+ case GL_ONE_MINUS_DST_ALPHA:
+ case GL_SRC_ALPHA_SATURATE:
+ case GL_CONSTANT_COLOR:
+ case GL_ONE_MINUS_CONSTANT_COLOR:
+ case GL_CONSTANT_ALPHA:
+ case GL_ONE_MINUS_CONSTANT_ALPHA:
+ return GL_TRUE;
+ default:
+ return GL_FALSE;
+ }
+}
+
+
+/**
+ * Check if given blend destination factor is legal.
+ * \return GL_TRUE if legal, GL_FALSE otherwise.
+ */
+static GLboolean
+legal_dst_factor(const struct gl_context *ctx, GLenum factor)
+{
+ switch (factor) {
+ case GL_DST_COLOR:
+ case GL_ONE_MINUS_DST_COLOR:
+ return ctx->Extensions.NV_blend_square;
+ case GL_ZERO:
+ case GL_ONE:
+ case GL_SRC_COLOR:
+ case GL_ONE_MINUS_SRC_COLOR:
+ case GL_SRC_ALPHA:
+ case GL_ONE_MINUS_SRC_ALPHA:
+ case GL_DST_ALPHA:
+ case GL_ONE_MINUS_DST_ALPHA:
+ case GL_CONSTANT_COLOR:
+ case GL_ONE_MINUS_CONSTANT_COLOR:
+ case GL_CONSTANT_ALPHA:
+ case GL_ONE_MINUS_CONSTANT_ALPHA:
+ return GL_TRUE;
+ default:
+ return GL_FALSE;
+ }
+}
+
+
+/**
+ * Check if src/dest RGB/A blend factors are legal. If not generate
+ * a GL error.
+ * \return GL_TRUE if factors are legal, GL_FALSE otherwise.
+ */
+static GLboolean
+validate_blend_factors(struct gl_context *ctx, const char *func,
+ GLenum sfactorRGB, GLenum dfactorRGB,
+ GLenum sfactorA, GLenum dfactorA)
+{
+ if (!legal_src_factor(ctx, sfactorRGB)) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "%s(sfactorRGB = %s)", func,
+ _mesa_lookup_enum_by_nr(sfactorRGB));
+ return GL_FALSE;
+ }
+
+ if (!legal_dst_factor(ctx, dfactorRGB)) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "%s(dfactorRGB = %s)", func,
+ _mesa_lookup_enum_by_nr(dfactorRGB));
+ return GL_FALSE;
+ }
+
+ if (sfactorA != sfactorRGB && !legal_src_factor(ctx, sfactorA)) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "%s(sfactorA = %s)", func,
+ _mesa_lookup_enum_by_nr(sfactorA));
+ return GL_FALSE;
+ }
+
+ if (dfactorA != dfactorRGB && !legal_dst_factor(ctx, dfactorA)) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "%s(dfactorA = %s)", func,
+ _mesa_lookup_enum_by_nr(dfactorA));
+ return GL_FALSE;
+ }
+
+ return GL_TRUE;
+}
+
+
+/**
+ * Specify the blending operation.
+ *
+ * \param sfactor source factor operator.
+ * \param dfactor destination factor operator.
+ *
+ * \sa glBlendFunc, glBlendFuncSeparateEXT
+ */
+void GLAPIENTRY
+_mesa_BlendFunc( GLenum sfactor, GLenum dfactor )
+{
+ _mesa_BlendFuncSeparateEXT(sfactor, dfactor, sfactor, dfactor);
+}
+
+
+/**
+ * Set the separate blend source/dest factors for all draw buffers.
+ *
+ * \param sfactorRGB RGB source factor operator.
+ * \param dfactorRGB RGB destination factor operator.
+ * \param sfactorA alpha source factor operator.
+ * \param dfactorA alpha destination factor operator.
+ */
+void GLAPIENTRY
+_mesa_BlendFuncSeparateEXT( GLenum sfactorRGB, GLenum dfactorRGB,
+ GLenum sfactorA, GLenum dfactorA )
+{
+ GLuint buf, numBuffers;
+ GLboolean changed;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glBlendFuncSeparate %s %s %s %s\n",
+ _mesa_lookup_enum_by_nr(sfactorRGB),
+ _mesa_lookup_enum_by_nr(dfactorRGB),
+ _mesa_lookup_enum_by_nr(sfactorA),
+ _mesa_lookup_enum_by_nr(dfactorA));
+
+ if (!validate_blend_factors(ctx, "glBlendFuncSeparate",
+ sfactorRGB, dfactorRGB,
+ sfactorA, dfactorA)) {
+ return;
+ }
+
+ numBuffers = ctx->Extensions.ARB_draw_buffers_blend
+ ? ctx->Const.MaxDrawBuffers : 1;
+
+ changed = GL_FALSE;
+ for (buf = 0; buf < numBuffers; buf++) {
+ if (ctx->Color.Blend[buf].SrcRGB != sfactorRGB ||
+ ctx->Color.Blend[buf].DstRGB != dfactorRGB ||
+ ctx->Color.Blend[buf].SrcA != sfactorA ||
+ ctx->Color.Blend[buf].DstA != dfactorA) {
+ changed = GL_TRUE;
+ break;
+ }
+ }
+ if (!changed)
+ return;
+
+ FLUSH_VERTICES(ctx, _NEW_COLOR);
+
+ for (buf = 0; buf < numBuffers; buf++) {
+ ctx->Color.Blend[buf].SrcRGB = sfactorRGB;
+ ctx->Color.Blend[buf].DstRGB = dfactorRGB;
+ ctx->Color.Blend[buf].SrcA = sfactorA;
+ ctx->Color.Blend[buf].DstA = dfactorA;
+ }
+ ctx->Color._BlendFuncPerBuffer = GL_FALSE;
+
+ if (ctx->Driver.BlendFuncSeparate) {
+ ctx->Driver.BlendFuncSeparate(ctx, sfactorRGB, dfactorRGB,
+ sfactorA, dfactorA);
+ }
+}
+
+
+#if _HAVE_FULL_GL
+
+
+/**
+ * Set blend source/dest factors for one color buffer/target.
+ */
+void GLAPIENTRY
+_mesa_BlendFunci(GLuint buf, GLenum sfactor, GLenum dfactor)
+{
+ _mesa_BlendFuncSeparatei(buf, sfactor, dfactor, sfactor, dfactor);
+}
+
+
+/**
+ * Set separate blend source/dest factors for one color buffer/target.
+ */
+void GLAPIENTRY
+_mesa_BlendFuncSeparatei(GLuint buf, GLenum sfactorRGB, GLenum dfactorRGB,
+ GLenum sfactorA, GLenum dfactorA)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (!ctx->Extensions.ARB_draw_buffers_blend) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glBlendFunc[Separate]i()");
+ return;
+ }
+
+ if (buf >= ctx->Const.MaxDrawBuffers) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glBlendFuncSeparatei(buffer=%u)",
+ buf);
+ return;
+ }
+
+ if (!validate_blend_factors(ctx, "glBlendFuncSeparatei",
+ sfactorRGB, dfactorRGB,
+ sfactorA, dfactorA)) {
+ return;
+ }
+
+ if (ctx->Color.Blend[buf].SrcRGB == sfactorRGB &&
+ ctx->Color.Blend[buf].DstRGB == dfactorRGB &&
+ ctx->Color.Blend[buf].SrcA == sfactorA &&
+ ctx->Color.Blend[buf].DstA == dfactorA)
+ return; /* no change */
+
+ FLUSH_VERTICES(ctx, _NEW_COLOR);
+
+ ctx->Color.Blend[buf].SrcRGB = sfactorRGB;
+ ctx->Color.Blend[buf].DstRGB = dfactorRGB;
+ ctx->Color.Blend[buf].SrcA = sfactorA;
+ ctx->Color.Blend[buf].DstA = dfactorA;
+ ctx->Color._BlendFuncPerBuffer = GL_TRUE;
+
+ if (ctx->Driver.BlendFuncSeparatei) {
+ ctx->Driver.BlendFuncSeparatei(ctx, buf, sfactorRGB, dfactorRGB,
+ sfactorA, dfactorA);
+ }
+}
+
+
+/**
+ * Check if given blend equation is legal.
+ * \return GL_TRUE if legal, GL_FALSE otherwise.
+ */
+static GLboolean
+legal_blend_equation(const struct gl_context *ctx,
+ GLenum mode, GLboolean is_separate)
+{
+ switch (mode) {
+ case GL_FUNC_ADD:
+ return GL_TRUE;
+ case GL_MIN:
+ case GL_MAX:
+ return ctx->Extensions.EXT_blend_minmax;
+ case GL_LOGIC_OP:
+ /* glBlendEquationSeparate cannot take GL_LOGIC_OP as a parameter.
+ */
+ return ctx->Extensions.EXT_blend_logic_op && !is_separate;
+ case GL_FUNC_SUBTRACT:
+ case GL_FUNC_REVERSE_SUBTRACT:
+ return ctx->Extensions.EXT_blend_subtract;
+ default:
+ return GL_FALSE;
+ }
+}
+
+
+/* This is really an extension function! */
+void GLAPIENTRY
+_mesa_BlendEquation( GLenum mode )
+{
+ GLuint buf, numBuffers;
+ GLboolean changed;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glBlendEquation(%s)\n",
+ _mesa_lookup_enum_by_nr(mode));
+
+ if (!legal_blend_equation(ctx, mode, GL_FALSE)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBlendEquation");
+ return;
+ }
+
+ numBuffers = ctx->Extensions.ARB_draw_buffers_blend
+ ? ctx->Const.MaxDrawBuffers : 1;
+
+ changed = GL_FALSE;
+ for (buf = 0; buf < numBuffers; buf++) {
+ if (ctx->Color.Blend[buf].EquationRGB != mode ||
+ ctx->Color.Blend[buf].EquationA != mode) {
+ changed = GL_TRUE;
+ break;
+ }
+ }
+ if (!changed)
+ return;
+
+ FLUSH_VERTICES(ctx, _NEW_COLOR);
+ for (buf = 0; buf < numBuffers; buf++) {
+ ctx->Color.Blend[buf].EquationRGB = mode;
+ ctx->Color.Blend[buf].EquationA = mode;
+ }
+ ctx->Color._BlendEquationPerBuffer = GL_FALSE;
+
+ if (ctx->Driver.BlendEquationSeparate)
+ (*ctx->Driver.BlendEquationSeparate)( ctx, mode, mode );
+}
+
+
+/**
+ * Set blend equation for one color buffer/target.
+ */
+void GLAPIENTRY
+_mesa_BlendEquationi(GLuint buf, GLenum mode)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glBlendEquationi(%u, %s)\n",
+ buf, _mesa_lookup_enum_by_nr(mode));
+
+ if (buf >= ctx->Const.MaxDrawBuffers) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glBlendFuncSeparatei(buffer=%u)",
+ buf);
+ return;
+ }
+
+ if (!legal_blend_equation(ctx, mode, GL_FALSE)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBlendEquationi");
+ return;
+ }
+
+ if (ctx->Color.Blend[buf].EquationRGB == mode &&
+ ctx->Color.Blend[buf].EquationA == mode)
+ return; /* no change */
+
+ FLUSH_VERTICES(ctx, _NEW_COLOR);
+ ctx->Color.Blend[buf].EquationRGB = mode;
+ ctx->Color.Blend[buf].EquationA = mode;
+ ctx->Color._BlendEquationPerBuffer = GL_TRUE;
+
+ if (ctx->Driver.BlendEquationSeparatei)
+ ctx->Driver.BlendEquationSeparatei(ctx, buf, mode, mode);
+}
+
+
+void GLAPIENTRY
+_mesa_BlendEquationSeparateEXT( GLenum modeRGB, GLenum modeA )
+{
+ GLuint buf, numBuffers;
+ GLboolean changed;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glBlendEquationSeparateEXT(%s %s)\n",
+ _mesa_lookup_enum_by_nr(modeRGB),
+ _mesa_lookup_enum_by_nr(modeA));
+
+ if ( (modeRGB != modeA) && !ctx->Extensions.EXT_blend_equation_separate ) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBlendEquationSeparateEXT not supported by driver");
+ return;
+ }
+
+ if (!legal_blend_equation(ctx, modeRGB, GL_TRUE)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBlendEquationSeparateEXT(modeRGB)");
+ return;
+ }
+
+ if (!legal_blend_equation(ctx, modeA, GL_TRUE)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBlendEquationSeparateEXT(modeA)");
+ return;
+ }
+
+ numBuffers = ctx->Extensions.ARB_draw_buffers_blend
+ ? ctx->Const.MaxDrawBuffers : 1;
+
+ changed = GL_FALSE;
+ for (buf = 0; buf < numBuffers; buf++) {
+ if (ctx->Color.Blend[buf].EquationRGB != modeRGB ||
+ ctx->Color.Blend[buf].EquationA != modeA) {
+ changed = GL_TRUE;
+ break;
+ }
+ }
+ if (!changed)
+ return;
+
+ FLUSH_VERTICES(ctx, _NEW_COLOR);
+ for (buf = 0; buf < numBuffers; buf++) {
+ ctx->Color.Blend[buf].EquationRGB = modeRGB;
+ ctx->Color.Blend[buf].EquationA = modeA;
+ }
+ ctx->Color._BlendEquationPerBuffer = GL_FALSE;
+
+ if (ctx->Driver.BlendEquationSeparate)
+ ctx->Driver.BlendEquationSeparate(ctx, modeRGB, modeA);
+}
+
+
+/**
+ * Set separate blend equations for one color buffer/target.
+ */
+void
+_mesa_BlendEquationSeparatei(GLuint buf, GLenum modeRGB, GLenum modeA)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glBlendEquationSeparatei(%u, %s %s)\n", buf,
+ _mesa_lookup_enum_by_nr(modeRGB),
+ _mesa_lookup_enum_by_nr(modeA));
+
+ if (buf >= ctx->Const.MaxDrawBuffers) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glBlendEquationSeparatei(buffer=%u)",
+ buf);
+ return;
+ }
+
+ if (!legal_blend_equation(ctx, modeRGB, GL_TRUE)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBlendEquationSeparatei(modeRGB)");
+ return;
+ }
+
+ if (!legal_blend_equation(ctx, modeA, GL_TRUE)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBlendEquationSeparatei(modeA)");
+ return;
+ }
+
+ if (ctx->Color.Blend[buf].EquationRGB == modeRGB &&
+ ctx->Color.Blend[buf].EquationA == modeA)
+ return; /* no change */
+
+ FLUSH_VERTICES(ctx, _NEW_COLOR);
+ ctx->Color.Blend[buf].EquationRGB = modeRGB;
+ ctx->Color.Blend[buf].EquationA = modeA;
+ ctx->Color._BlendEquationPerBuffer = GL_TRUE;
+
+ if (ctx->Driver.BlendEquationSeparatei)
+ ctx->Driver.BlendEquationSeparatei(ctx, buf, modeRGB, modeA);
+}
+
+
+
+#endif /* _HAVE_FULL_GL */
+
+
+/**
+ * Set the blending color.
+ *
+ * \param red red color component.
+ * \param green green color component.
+ * \param blue blue color component.
+ * \param alpha alpha color component.
+ *
+ * \sa glBlendColor().
+ *
+ * Clamps the parameters and updates gl_colorbuffer_attrib::BlendColor. On a
+ * change, flushes the vertices and notifies the driver via
+ * dd_function_table::BlendColor callback.
+ */
+void GLAPIENTRY
+_mesa_BlendColor( GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha )
+{
+ GLfloat tmp[4];
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ tmp[0] = CLAMP( red, 0.0F, 1.0F );
+ tmp[1] = CLAMP( green, 0.0F, 1.0F );
+ tmp[2] = CLAMP( blue, 0.0F, 1.0F );
+ tmp[3] = CLAMP( alpha, 0.0F, 1.0F );
+
+ if (TEST_EQ_4V(tmp, ctx->Color.BlendColor))
+ return;
+
+ FLUSH_VERTICES(ctx, _NEW_COLOR);
+ COPY_4FV( ctx->Color.BlendColor, tmp );
+
+ if (ctx->Driver.BlendColor)
+ (*ctx->Driver.BlendColor)(ctx, tmp);
+}
+
+
+/**
+ * Specify the alpha test function.
+ *
+ * \param func alpha comparison function.
+ * \param ref reference value.
+ *
+ * Verifies the parameters and updates gl_colorbuffer_attrib.
+ * On a change, flushes the vertices and notifies the driver via
+ * dd_function_table::AlphaFunc callback.
+ */
+void GLAPIENTRY
+_mesa_AlphaFunc( GLenum func, GLclampf ref )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glAlphaFunc(%s, %f)\n",
+ _mesa_lookup_enum_by_nr(func), ref);
+
+ switch (func) {
+ case GL_NEVER:
+ case GL_LESS:
+ case GL_EQUAL:
+ case GL_LEQUAL:
+ case GL_GREATER:
+ case GL_NOTEQUAL:
+ case GL_GEQUAL:
+ case GL_ALWAYS:
+ ref = CLAMP(ref, 0.0F, 1.0F);
+
+ if (ctx->Color.AlphaFunc == func && ctx->Color.AlphaRef == ref)
+ return; /* no change */
+
+ FLUSH_VERTICES(ctx, _NEW_COLOR);
+ ctx->Color.AlphaFunc = func;
+ ctx->Color.AlphaRef = ref;
+
+ if (ctx->Driver.AlphaFunc)
+ ctx->Driver.AlphaFunc(ctx, func, ref);
+ return;
+
+ default:
+ _mesa_error( ctx, GL_INVALID_ENUM, "glAlphaFunc(func)" );
+ return;
+ }
+}
+
+
+/**
+ * Specify a logic pixel operation for color index rendering.
+ *
+ * \param opcode operation.
+ *
+ * Verifies that \p opcode is a valid enum and updates
+gl_colorbuffer_attrib::LogicOp.
+ * On a change, flushes the vertices and notifies the driver via the
+ * dd_function_table::LogicOpcode callback.
+ */
+void GLAPIENTRY
+_mesa_LogicOp( GLenum opcode )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glLogicOp(%s)\n", _mesa_lookup_enum_by_nr(opcode));
+
+ switch (opcode) {
+ case GL_CLEAR:
+ case GL_SET:
+ case GL_COPY:
+ case GL_COPY_INVERTED:
+ case GL_NOOP:
+ case GL_INVERT:
+ case GL_AND:
+ case GL_NAND:
+ case GL_OR:
+ case GL_NOR:
+ case GL_XOR:
+ case GL_EQUIV:
+ case GL_AND_REVERSE:
+ case GL_AND_INVERTED:
+ case GL_OR_REVERSE:
+ case GL_OR_INVERTED:
+ break;
+ default:
+ _mesa_error( ctx, GL_INVALID_ENUM, "glLogicOp" );
+ return;
+ }
+
+ if (ctx->Color.LogicOp == opcode)
+ return;
+
+ FLUSH_VERTICES(ctx, _NEW_COLOR);
+ ctx->Color.LogicOp = opcode;
+
+ if (ctx->Driver.LogicOpcode)
+ ctx->Driver.LogicOpcode( ctx, opcode );
+}
+
+#if _HAVE_FULL_GL
+void GLAPIENTRY
+_mesa_IndexMask( GLuint mask )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (ctx->Color.IndexMask == mask)
+ return;
+
+ FLUSH_VERTICES(ctx, _NEW_COLOR);
+ ctx->Color.IndexMask = mask;
+}
+#endif
+
+
+/**
+ * Enable or disable writing of frame buffer color components.
+ *
+ * \param red whether to mask writing of the red color component.
+ * \param green whether to mask writing of the green color component.
+ * \param blue whether to mask writing of the blue color component.
+ * \param alpha whether to mask writing of the alpha color component.
+ *
+ * \sa glColorMask().
+ *
+ * Sets the appropriate value of gl_colorbuffer_attrib::ColorMask. On a
+ * change, flushes the vertices and notifies the driver via the
+ * dd_function_table::ColorMask callback.
+ */
+void GLAPIENTRY
+_mesa_ColorMask( GLboolean red, GLboolean green,
+ GLboolean blue, GLboolean alpha )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ GLubyte tmp[4];
+ GLuint i;
+ GLboolean flushed;
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glColorMask(%d, %d, %d, %d)\n",
+ red, green, blue, alpha);
+
+ /* Shouldn't have any information about channel depth in core mesa
+ * -- should probably store these as the native booleans:
+ */
+ tmp[RCOMP] = red ? 0xff : 0x0;
+ tmp[GCOMP] = green ? 0xff : 0x0;
+ tmp[BCOMP] = blue ? 0xff : 0x0;
+ tmp[ACOMP] = alpha ? 0xff : 0x0;
+
+ flushed = GL_FALSE;
+ for (i = 0; i < ctx->Const.MaxDrawBuffers; i++) {
+ if (!TEST_EQ_4V(tmp, ctx->Color.ColorMask[i])) {
+ if (!flushed) {
+ FLUSH_VERTICES(ctx, _NEW_COLOR);
+ }
+ flushed = GL_TRUE;
+ COPY_4UBV(ctx->Color.ColorMask[i], tmp);
+ }
+ }
+
+ if (ctx->Driver.ColorMask)
+ ctx->Driver.ColorMask( ctx, red, green, blue, alpha );
+}
+
+
+/**
+ * For GL_EXT_draw_buffers2 and GL3
+ */
+void GLAPIENTRY
+_mesa_ColorMaskIndexed( GLuint buf, GLboolean red, GLboolean green,
+ GLboolean blue, GLboolean alpha )
+{
+ GLubyte tmp[4];
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glColorMaskIndexed %u %d %d %d %d\n",
+ buf, red, green, blue, alpha);
+
+ if (buf >= ctx->Const.MaxDrawBuffers) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glColorMaskIndexed(buf=%u)", buf);
+ return;
+ }
+
+ /* Shouldn't have any information about channel depth in core mesa
+ * -- should probably store these as the native booleans:
+ */
+ tmp[RCOMP] = red ? 0xff : 0x0;
+ tmp[GCOMP] = green ? 0xff : 0x0;
+ tmp[BCOMP] = blue ? 0xff : 0x0;
+ tmp[ACOMP] = alpha ? 0xff : 0x0;
+
+ if (TEST_EQ_4V(tmp, ctx->Color.ColorMask[buf]))
+ return;
+
+ FLUSH_VERTICES(ctx, _NEW_COLOR);
+ COPY_4UBV(ctx->Color.ColorMask[buf], tmp);
+
+ if (ctx->Driver.ColorMaskIndexed)
+ ctx->Driver.ColorMaskIndexed(ctx, buf, red, green, blue, alpha);
+}
+
+
+extern void GLAPIENTRY
+_mesa_ClampColorARB(GLenum target, GLenum clamp)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (clamp != GL_TRUE && clamp != GL_FALSE && clamp != GL_FIXED_ONLY_ARB) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glClampColorARB(clamp)");
+ return;
+ }
+
+ switch (target) {
+ case GL_CLAMP_VERTEX_COLOR_ARB:
+ ctx->Light.ClampVertexColor = clamp;
+ break;
+ case GL_CLAMP_FRAGMENT_COLOR_ARB:
+ ctx->Color.ClampFragmentColor = clamp;
+ break;
+ case GL_CLAMP_READ_COLOR_ARB:
+ ctx->Color.ClampReadColor = clamp;
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glClampColorARB(target)");
+ return;
+ }
+}
+
+
+
+
+/**********************************************************************/
+/** \name Initialization */
+/*@{*/
+
+/**
+ * Initialization of the context's Color attribute group.
+ *
+ * \param ctx GL context.
+ *
+ * Initializes the related fields in the context color attribute group,
+ * __struct gl_contextRec::Color.
+ */
+void _mesa_init_color( struct gl_context * ctx )
+{
+ GLuint i;
+
+ /* Color buffer group */
+ ctx->Color.IndexMask = ~0u;
+ memset(ctx->Color.ColorMask, 0xff, sizeof(ctx->Color.ColorMask));
+ ctx->Color.ClearIndex = 0;
+ ASSIGN_4V( ctx->Color.ClearColor, 0, 0, 0, 0 );
+ ctx->Color.AlphaEnabled = GL_FALSE;
+ ctx->Color.AlphaFunc = GL_ALWAYS;
+ ctx->Color.AlphaRef = 0;
+ ctx->Color.BlendEnabled = 0x0;
+ for (i = 0; i < Elements(ctx->Color.Blend); i++) {
+ ctx->Color.Blend[i].SrcRGB = GL_ONE;
+ ctx->Color.Blend[i].DstRGB = GL_ZERO;
+ ctx->Color.Blend[i].SrcA = GL_ONE;
+ ctx->Color.Blend[i].DstA = GL_ZERO;
+ ctx->Color.Blend[i].EquationRGB = GL_FUNC_ADD;
+ ctx->Color.Blend[i].EquationA = GL_FUNC_ADD;
+ }
+ ASSIGN_4V( ctx->Color.BlendColor, 0.0, 0.0, 0.0, 0.0 );
+ ctx->Color.IndexLogicOpEnabled = GL_FALSE;
+ ctx->Color.ColorLogicOpEnabled = GL_FALSE;
+ ctx->Color._LogicOpEnabled = GL_FALSE;
+ ctx->Color.LogicOp = GL_COPY;
+ ctx->Color.DitherFlag = GL_TRUE;
+
+ if (ctx->Visual.doubleBufferMode) {
+ ctx->Color.DrawBuffer[0] = GL_BACK;
+ }
+ else {
+ ctx->Color.DrawBuffer[0] = GL_FRONT;
+ }
+
+ ctx->Color.ClampFragmentColor = GL_FIXED_ONLY_ARB;
+ ctx->Color.ClampReadColor = GL_FIXED_ONLY_ARB;
+}
+
+/*@}*/
diff --git a/mesalib/src/mesa/main/bufferobj.c b/mesalib/src/mesa/main/bufferobj.c
index f67c04f7a..349288e73 100644
--- a/mesalib/src/mesa/main/bufferobj.c
+++ b/mesalib/src/mesa/main/bufferobj.c
@@ -197,7 +197,7 @@ buffer_object_subdata_range_good( struct gl_context * ctx, GLenum target,
*
* Default callback for the \c dd_function_table::NewBufferObject() hook.
*/
-static struct gl_buffer_object *
+struct gl_buffer_object *
_mesa_new_buffer_object( struct gl_context *ctx, GLuint name, GLenum target )
{
struct gl_buffer_object *obj;
@@ -215,7 +215,7 @@ _mesa_new_buffer_object( struct gl_context *ctx, GLuint name, GLenum target )
*
* Default callback for the \c dd_function_table::DeleteBuffer() hook.
*/
-static void
+void
_mesa_delete_buffer_object(struct gl_context *ctx,
struct gl_buffer_object *bufObj)
{
@@ -337,7 +337,7 @@ _mesa_initialize_buffer_object( struct gl_buffer_object *obj,
* \return GL_TRUE for success, GL_FALSE for failure
* \sa glBufferDataARB, dd_function_table::BufferData.
*/
-static GLboolean
+GLboolean
_mesa_buffer_data( struct gl_context *ctx, GLenum target, GLsizeiptrARB size,
const GLvoid * data, GLenum usage,
struct gl_buffer_object * bufObj )
@@ -381,7 +381,7 @@ _mesa_buffer_data( struct gl_context *ctx, GLenum target, GLsizeiptrARB size,
*
* \sa glBufferSubDataARB, dd_function_table::BufferSubData.
*/
-static void
+void
_mesa_buffer_subdata( struct gl_context *ctx, GLenum target, GLintptrARB offset,
GLsizeiptrARB size, const GLvoid * data,
struct gl_buffer_object * bufObj )
@@ -414,7 +414,7 @@ _mesa_buffer_subdata( struct gl_context *ctx, GLenum target, GLintptrARB offset,
*
* \sa glBufferGetSubDataARB, dd_function_table::GetBufferSubData.
*/
-static void
+void
_mesa_buffer_get_subdata( struct gl_context *ctx,
GLenum target, GLintptrARB offset,
GLsizeiptrARB size, GLvoid * data,
@@ -442,7 +442,7 @@ _mesa_buffer_get_subdata( struct gl_context *ctx,
*
* \sa glMapBufferARB, dd_function_table::MapBuffer
*/
-static void *
+void *
_mesa_buffer_map( struct gl_context *ctx, GLenum target, GLenum access,
struct gl_buffer_object *bufObj )
{
@@ -507,7 +507,7 @@ _mesa_buffer_flush_mapped_range( struct gl_context *ctx, GLenum target,
*
* \sa glUnmapBufferARB, dd_function_table::UnmapBuffer
*/
-static GLboolean
+GLboolean
_mesa_buffer_unmap( struct gl_context *ctx, GLenum target,
struct gl_buffer_object *bufObj )
{
diff --git a/mesalib/src/mesa/main/bufferobj.h b/mesalib/src/mesa/main/bufferobj.h
index 91fa073b6..f673f431f 100644
--- a/mesalib/src/mesa/main/bufferobj.h
+++ b/mesalib/src/mesa/main/bufferobj.h
@@ -1,149 +1,149 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.6
- *
- * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
- * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-
-#ifndef BUFFEROBJ_H
-#define BUFFEROBJ_H
-
-
-#include "mfeatures.h"
-#include "mtypes.h"
-
-
-/*
- * Internal functions
- */
-
-
-/** Is the given buffer object currently mapped? */
-static INLINE GLboolean
-_mesa_bufferobj_mapped(const struct gl_buffer_object *obj)
-{
- return obj->Pointer != NULL;
-}
-
-/**
- * Is the given buffer object a user-created buffer object?
- * Mesa uses default buffer objects in several places. Default buffers
- * always have Name==0. User created buffers have Name!=0.
- */
-static INLINE GLboolean
-_mesa_is_bufferobj(const struct gl_buffer_object *obj)
-{
- return obj->Name != 0;
-}
-
-
-extern void
-_mesa_init_buffer_objects( struct gl_context *ctx );
-
-extern void
-_mesa_free_buffer_objects( struct gl_context *ctx );
-
-extern void
-_mesa_update_default_objects_buffer_objects(struct gl_context *ctx);
-
-
-extern struct gl_buffer_object *
-_mesa_lookup_bufferobj(struct gl_context *ctx, GLuint buffer);
-
-extern void
-_mesa_initialize_buffer_object( struct gl_buffer_object *obj,
- GLuint name, GLenum target );
-
-extern void
-_mesa_reference_buffer_object(struct gl_context *ctx,
- struct gl_buffer_object **ptr,
- struct gl_buffer_object *bufObj);
-
-extern void
-_mesa_init_buffer_object_functions(struct dd_function_table *driver);
-
-
-/*
- * API functions
- */
-
-extern void GLAPIENTRY
-_mesa_BindBufferARB(GLenum target, GLuint buffer);
-
-extern void GLAPIENTRY
-_mesa_DeleteBuffersARB(GLsizei n, const GLuint * buffer);
-
-extern void GLAPIENTRY
-_mesa_GenBuffersARB(GLsizei n, GLuint * buffer);
-
-extern GLboolean GLAPIENTRY
-_mesa_IsBufferARB(GLuint buffer);
-
-extern void GLAPIENTRY
-_mesa_BufferDataARB(GLenum target, GLsizeiptrARB size, const GLvoid * data, GLenum usage);
-
-extern void GLAPIENTRY
-_mesa_BufferSubDataARB(GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid * data);
-
-extern void GLAPIENTRY
-_mesa_GetBufferSubDataARB(GLenum target, GLintptrARB offset, GLsizeiptrARB size, void * data);
-
-extern void * GLAPIENTRY
-_mesa_MapBufferARB(GLenum target, GLenum access);
-
-extern GLboolean GLAPIENTRY
-_mesa_UnmapBufferARB(GLenum target);
-
-extern void GLAPIENTRY
-_mesa_GetBufferParameterivARB(GLenum target, GLenum pname, GLint *params);
-
-extern void GLAPIENTRY
-_mesa_GetBufferParameteri64v(GLenum target, GLenum pname, GLint64 *params);
-
-extern void GLAPIENTRY
-_mesa_GetBufferPointervARB(GLenum target, GLenum pname, GLvoid **params);
-
-extern void GLAPIENTRY
-_mesa_CopyBufferSubData(GLenum readTarget, GLenum writeTarget,
- GLintptr readOffset, GLintptr writeOffset,
- GLsizeiptr size);
-
-extern void * GLAPIENTRY
-_mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length,
- GLbitfield access);
-
-extern void GLAPIENTRY
-_mesa_FlushMappedBufferRange(GLenum target, GLintptr offset, GLsizeiptr length);
-
-#if FEATURE_APPLE_object_purgeable
-extern GLenum GLAPIENTRY
-_mesa_ObjectPurgeableAPPLE(GLenum objectType, GLuint name, GLenum option);
-
-extern GLenum GLAPIENTRY
-_mesa_ObjectUnpurgeableAPPLE(GLenum objectType, GLuint name, GLenum option);
-
-extern void GLAPIENTRY
-_mesa_GetObjectParameterivAPPLE(GLenum objectType, GLuint name, GLenum pname, GLint* params);
-#endif
-
-#endif
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.6
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+
+#ifndef BUFFEROBJ_H
+#define BUFFEROBJ_H
+
+
+#include "mfeatures.h"
+#include "mtypes.h"
+
+
+/*
+ * Internal functions
+ */
+
+
+/** Is the given buffer object currently mapped? */
+static INLINE GLboolean
+_mesa_bufferobj_mapped(const struct gl_buffer_object *obj)
+{
+ return obj->Pointer != NULL;
+}
+
+/**
+ * Is the given buffer object a user-created buffer object?
+ * Mesa uses default buffer objects in several places. Default buffers
+ * always have Name==0. User created buffers have Name!=0.
+ */
+static INLINE GLboolean
+_mesa_is_bufferobj(const struct gl_buffer_object *obj)
+{
+ return obj->Name != 0;
+}
+
+
+extern void
+_mesa_init_buffer_objects( struct gl_context *ctx );
+
+extern void
+_mesa_free_buffer_objects( struct gl_context *ctx );
+
+extern void
+_mesa_update_default_objects_buffer_objects(struct gl_context *ctx);
+
+
+extern struct gl_buffer_object *
+_mesa_lookup_bufferobj(struct gl_context *ctx, GLuint buffer);
+
+extern void
+_mesa_initialize_buffer_object( struct gl_buffer_object *obj,
+ GLuint name, GLenum target );
+
+extern void
+_mesa_reference_buffer_object(struct gl_context *ctx,
+ struct gl_buffer_object **ptr,
+ struct gl_buffer_object *bufObj);
+
+extern void
+_mesa_init_buffer_object_functions(struct dd_function_table *driver);
+
+
+/*
+ * API functions
+ */
+
+extern void GLAPIENTRY
+_mesa_BindBufferARB(GLenum target, GLuint buffer);
+
+extern void GLAPIENTRY
+_mesa_DeleteBuffersARB(GLsizei n, const GLuint * buffer);
+
+extern void GLAPIENTRY
+_mesa_GenBuffersARB(GLsizei n, GLuint * buffer);
+
+extern GLboolean GLAPIENTRY
+_mesa_IsBufferARB(GLuint buffer);
+
+extern void GLAPIENTRY
+_mesa_BufferDataARB(GLenum target, GLsizeiptrARB size, const GLvoid * data, GLenum usage);
+
+extern void GLAPIENTRY
+_mesa_BufferSubDataARB(GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid * data);
+
+extern void GLAPIENTRY
+_mesa_GetBufferSubDataARB(GLenum target, GLintptrARB offset, GLsizeiptrARB size, void * data);
+
+extern void * GLAPIENTRY
+_mesa_MapBufferARB(GLenum target, GLenum access);
+
+extern GLboolean GLAPIENTRY
+_mesa_UnmapBufferARB(GLenum target);
+
+extern void GLAPIENTRY
+_mesa_GetBufferParameterivARB(GLenum target, GLenum pname, GLint *params);
+
+extern void GLAPIENTRY
+_mesa_GetBufferParameteri64v(GLenum target, GLenum pname, GLint64 *params);
+
+extern void GLAPIENTRY
+_mesa_GetBufferPointervARB(GLenum target, GLenum pname, GLvoid **params);
+
+extern void GLAPIENTRY
+_mesa_CopyBufferSubData(GLenum readTarget, GLenum writeTarget,
+ GLintptr readOffset, GLintptr writeOffset,
+ GLsizeiptr size);
+
+extern void * GLAPIENTRY
+_mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length,
+ GLbitfield access);
+
+extern void GLAPIENTRY
+_mesa_FlushMappedBufferRange(GLenum target, GLintptr offset, GLsizeiptr length);
+
+#if FEATURE_APPLE_object_purgeable
+extern GLenum GLAPIENTRY
+_mesa_ObjectPurgeableAPPLE(GLenum objectType, GLuint name, GLenum option);
+
+extern GLenum GLAPIENTRY
+_mesa_ObjectUnpurgeableAPPLE(GLenum objectType, GLuint name, GLenum option);
+
+extern void GLAPIENTRY
+_mesa_GetObjectParameterivAPPLE(GLenum objectType, GLuint name, GLenum pname, GLint* params);
+#endif
+
+#endif
diff --git a/mesalib/src/mesa/main/colortab.c b/mesalib/src/mesa/main/colortab.c
index d0c865735..48318248e 100644
--- a/mesalib/src/mesa/main/colortab.c
+++ b/mesalib/src/mesa/main/colortab.c
@@ -1,821 +1,821 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.1
- *
- * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-#include "glheader.h"
-#include "bufferobj.h"
-#include "colortab.h"
-#include "context.h"
-#include "image.h"
-#include "macros.h"
-#include "mfeatures.h"
-#include "mtypes.h"
-#include "pack.h"
-#include "pbo.h"
-#include "state.h"
-#include "teximage.h"
-#include "texstate.h"
-#include "main/dispatch.h"
-
-
-#if FEATURE_colortable
-
-
-/**
- * Given an internalFormat token passed to glColorTable,
- * return the corresponding base format.
- * Return -1 if invalid token.
- */
-static GLint
-base_colortab_format( GLenum format )
-{
- switch (format) {
- case GL_ALPHA:
- case GL_ALPHA4:
- case GL_ALPHA8:
- case GL_ALPHA12:
- case GL_ALPHA16:
- return GL_ALPHA;
- case GL_LUMINANCE:
- case GL_LUMINANCE4:
- case GL_LUMINANCE8:
- case GL_LUMINANCE12:
- case GL_LUMINANCE16:
- return GL_LUMINANCE;
- case GL_LUMINANCE_ALPHA:
- case GL_LUMINANCE4_ALPHA4:
- case GL_LUMINANCE6_ALPHA2:
- case GL_LUMINANCE8_ALPHA8:
- case GL_LUMINANCE12_ALPHA4:
- case GL_LUMINANCE12_ALPHA12:
- case GL_LUMINANCE16_ALPHA16:
- return GL_LUMINANCE_ALPHA;
- case GL_INTENSITY:
- case GL_INTENSITY4:
- case GL_INTENSITY8:
- case GL_INTENSITY12:
- case GL_INTENSITY16:
- return GL_INTENSITY;
- case GL_RGB:
- case GL_R3_G3_B2:
- case GL_RGB4:
- case GL_RGB5:
- case GL_RGB8:
- case GL_RGB10:
- case GL_RGB12:
- case GL_RGB16:
- return GL_RGB;
- case GL_RGBA:
- case GL_RGBA2:
- case GL_RGBA4:
- case GL_RGB5_A1:
- case GL_RGBA8:
- case GL_RGB10_A2:
- case GL_RGBA12:
- case GL_RGBA16:
- return GL_RGBA;
- default:
- return -1; /* error */
- }
-}
-
-
-
-/**
- * Examine table's format and set the component sizes accordingly.
- */
-static void
-set_component_sizes( struct gl_color_table *table )
-{
- /* assuming the ubyte table */
- const GLubyte sz = 8;
-
- switch (table->_BaseFormat) {
- case GL_ALPHA:
- table->RedSize = 0;
- table->GreenSize = 0;
- table->BlueSize = 0;
- table->AlphaSize = sz;
- table->IntensitySize = 0;
- table->LuminanceSize = 0;
- break;
- case GL_LUMINANCE:
- table->RedSize = 0;
- table->GreenSize = 0;
- table->BlueSize = 0;
- table->AlphaSize = 0;
- table->IntensitySize = 0;
- table->LuminanceSize = sz;
- break;
- case GL_LUMINANCE_ALPHA:
- table->RedSize = 0;
- table->GreenSize = 0;
- table->BlueSize = 0;
- table->AlphaSize = sz;
- table->IntensitySize = 0;
- table->LuminanceSize = sz;
- break;
- case GL_INTENSITY:
- table->RedSize = 0;
- table->GreenSize = 0;
- table->BlueSize = 0;
- table->AlphaSize = 0;
- table->IntensitySize = sz;
- table->LuminanceSize = 0;
- break;
- case GL_RGB:
- table->RedSize = sz;
- table->GreenSize = sz;
- table->BlueSize = sz;
- table->AlphaSize = 0;
- table->IntensitySize = 0;
- table->LuminanceSize = 0;
- break;
- case GL_RGBA:
- table->RedSize = sz;
- table->GreenSize = sz;
- table->BlueSize = sz;
- table->AlphaSize = sz;
- table->IntensitySize = 0;
- table->LuminanceSize = 0;
- break;
- default:
- _mesa_problem(NULL, "unexpected format in set_component_sizes");
- }
-}
-
-
-
-/**
- * Update/replace all or part of a color table. Helper function
- * used by _mesa_ColorTable() and _mesa_ColorSubTable().
- * The table->Table buffer should already be allocated.
- * \param start first entry to update
- * \param count number of entries to update
- * \param format format of user-provided table data
- * \param type datatype of user-provided table data
- * \param data user-provided table data
- * \param [rgba]Scale - RGBA scale factors
- * \param [rgba]Bias - RGBA bias factors
- */
-static void
-store_colortable_entries(struct gl_context *ctx, struct gl_color_table *table,
- GLsizei start, GLsizei count,
- GLenum format, GLenum type, const GLvoid *data,
- GLfloat rScale, GLfloat rBias,
- GLfloat gScale, GLfloat gBias,
- GLfloat bScale, GLfloat bBias,
- GLfloat aScale, GLfloat aBias)
-{
- data = _mesa_map_validate_pbo_source(ctx,
- 1, &ctx->Unpack, count, 1, 1,
- format, type, data,
- "glColor[Sub]Table");
- if (!data)
- return;
-
- {
- /* convert user-provided data to GLfloat values */
- GLfloat tempTab[MAX_COLOR_TABLE_SIZE * 4];
- GLfloat *tableF;
- GLint i;
-
- _mesa_unpack_color_span_float(ctx,
- count, /* number of pixels */
- table->_BaseFormat, /* dest format */
- tempTab, /* dest address */
- format, type, /* src format/type */
- data, /* src data */
- &ctx->Unpack,
- IMAGE_CLAMP_BIT); /* transfer ops */
-
- /* the destination */
- tableF = table->TableF;
-
- /* Apply scale & bias & clamp now */
- switch (table->_BaseFormat) {
- case GL_INTENSITY:
- for (i = 0; i < count; i++) {
- GLuint j = start + i;
- tableF[j] = CLAMP(tempTab[i] * rScale + rBias, 0.0F, 1.0F);
- }
- break;
- case GL_LUMINANCE:
- for (i = 0; i < count; i++) {
- GLuint j = start + i;
- tableF[j] = CLAMP(tempTab[i] * rScale + rBias, 0.0F, 1.0F);
- }
- break;
- case GL_ALPHA:
- for (i = 0; i < count; i++) {
- GLuint j = start + i;
- tableF[j] = CLAMP(tempTab[i] * aScale + aBias, 0.0F, 1.0F);
- }
- break;
- case GL_LUMINANCE_ALPHA:
- for (i = 0; i < count; i++) {
- GLuint j = start + i;
- tableF[j*2+0] = CLAMP(tempTab[i*2+0] * rScale + rBias, 0.0F, 1.0F);
- tableF[j*2+1] = CLAMP(tempTab[i*2+1] * aScale + aBias, 0.0F, 1.0F);
- }
- break;
- case GL_RGB:
- for (i = 0; i < count; i++) {
- GLuint j = start + i;
- tableF[j*3+0] = CLAMP(tempTab[i*3+0] * rScale + rBias, 0.0F, 1.0F);
- tableF[j*3+1] = CLAMP(tempTab[i*3+1] * gScale + gBias, 0.0F, 1.0F);
- tableF[j*3+2] = CLAMP(tempTab[i*3+2] * bScale + bBias, 0.0F, 1.0F);
- }
- break;
- case GL_RGBA:
- for (i = 0; i < count; i++) {
- GLuint j = start + i;
- tableF[j*4+0] = CLAMP(tempTab[i*4+0] * rScale + rBias, 0.0F, 1.0F);
- tableF[j*4+1] = CLAMP(tempTab[i*4+1] * gScale + gBias, 0.0F, 1.0F);
- tableF[j*4+2] = CLAMP(tempTab[i*4+2] * bScale + bBias, 0.0F, 1.0F);
- tableF[j*4+3] = CLAMP(tempTab[i*4+3] * aScale + aBias, 0.0F, 1.0F);
- }
- break;
- default:
- _mesa_problem(ctx, "Bad format in store_colortable_entries");
- return;
- }
- }
-
- /* update the ubyte table */
- {
- const GLint comps = _mesa_components_in_format(table->_BaseFormat);
- const GLfloat *tableF = table->TableF + start * comps;
- GLubyte *tableUB = table->TableUB + start * comps;
- GLint i;
- for (i = 0; i < count * comps; i++) {
- CLAMPED_FLOAT_TO_UBYTE(tableUB[i], tableF[i]);
- }
- }
-
- _mesa_unmap_pbo_source(ctx, &ctx->Unpack);
-}
-
-
-
-void GLAPIENTRY
-_mesa_ColorTable( GLenum target, GLenum internalFormat,
- GLsizei width, GLenum format, GLenum type,
- const GLvoid *data )
-{
- static const GLfloat one[4] = { 1.0, 1.0, 1.0, 1.0 };
- static const GLfloat zero[4] = { 0.0, 0.0, 0.0, 0.0 };
- GET_CURRENT_CONTEXT(ctx);
- struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
- struct gl_texture_object *texObj = NULL;
- struct gl_color_table *table = NULL;
- GLboolean proxy = GL_FALSE;
- GLint baseFormat;
- const GLfloat *scale = one, *bias = zero;
- GLint comps;
-
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); /* too complex */
-
- switch (target) {
- case GL_SHARED_TEXTURE_PALETTE_EXT:
- table = &ctx->Texture.Palette;
- break;
- default:
- /* try texture targets */
- {
- struct gl_texture_object *texobj
- = _mesa_select_tex_object(ctx, texUnit, target);
- if (texobj) {
- table = &texobj->Palette;
- proxy = _mesa_is_proxy_texture(target);
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM, "glColorTable(target)");
- return;
- }
- }
- }
-
- assert(table);
-
- if (!_mesa_is_legal_format_and_type(ctx, format, type) ||
- format == GL_INTENSITY) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glColorTable(format or type)");
- return;
- }
-
- baseFormat = base_colortab_format(internalFormat);
- if (baseFormat < 0) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glColorTable(internalFormat)");
- return;
- }
-
- if (width < 0 || (width != 0 && !_mesa_is_pow_two(width))) {
- /* error */
- if (proxy) {
- table->Size = 0;
- table->InternalFormat = (GLenum) 0;
- table->_BaseFormat = (GLenum) 0;
- }
- else {
- _mesa_error(ctx, GL_INVALID_VALUE, "glColorTable(width=%d)", width);
- }
- return;
- }
-
- if (width > (GLsizei) ctx->Const.MaxColorTableSize) {
- if (proxy) {
- table->Size = 0;
- table->InternalFormat = (GLenum) 0;
- table->_BaseFormat = (GLenum) 0;
- }
- else {
- _mesa_error(ctx, GL_TABLE_TOO_LARGE, "glColorTable(width)");
- }
- return;
- }
-
- table->Size = width;
- table->InternalFormat = internalFormat;
- table->_BaseFormat = (GLenum) baseFormat;
-
- comps = _mesa_components_in_format(table->_BaseFormat);
- assert(comps > 0); /* error should have been caught sooner */
-
- if (!proxy) {
- _mesa_free_colortable_data(table);
-
- if (width > 0) {
- table->TableF = (GLfloat *) malloc(comps * width * sizeof(GLfloat));
- table->TableUB = (GLubyte *) malloc(comps * width * sizeof(GLubyte));
-
- if (!table->TableF || !table->TableUB) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glColorTable");
- return;
- }
-
- store_colortable_entries(ctx, table,
- 0, width, /* start, count */
- format, type, data,
- scale[0], bias[0],
- scale[1], bias[1],
- scale[2], bias[2],
- scale[3], bias[3]);
- }
- } /* proxy */
-
- /* do this after the table's Type and Format are set */
- set_component_sizes(table);
-
- if (texObj || target == GL_SHARED_TEXTURE_PALETTE_EXT) {
- /* texture object palette, texObj==NULL means the shared palette */
- if (ctx->Driver.UpdateTexturePalette) {
- (*ctx->Driver.UpdateTexturePalette)( ctx, texObj );
- }
- }
-
- ctx->NewState |= _NEW_PIXEL;
-}
-
-
-
-void GLAPIENTRY
-_mesa_ColorSubTable( GLenum target, GLsizei start,
- GLsizei count, GLenum format, GLenum type,
- const GLvoid *data )
-{
- static const GLfloat one[4] = { 1.0, 1.0, 1.0, 1.0 };
- static const GLfloat zero[4] = { 0.0, 0.0, 0.0, 0.0 };
- GET_CURRENT_CONTEXT(ctx);
- struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
- struct gl_texture_object *texObj = NULL;
- struct gl_color_table *table = NULL;
- const GLfloat *scale = one, *bias = zero;
-
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- switch (target) {
- case GL_SHARED_TEXTURE_PALETTE_EXT:
- table = &ctx->Texture.Palette;
- break;
- default:
- /* try texture targets */
- texObj = _mesa_select_tex_object(ctx, texUnit, target);
- if (texObj && !_mesa_is_proxy_texture(target)) {
- table = &texObj->Palette;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM, "glColorSubTable(target)");
- return;
- }
- }
-
- assert(table);
-
- if (!_mesa_is_legal_format_and_type(ctx, format, type) ||
- format == GL_INTENSITY) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glColorSubTable(format or type)");
- return;
- }
-
- if (count < 1) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glColorSubTable(count)");
- return;
- }
-
- /* error should have been caught sooner */
- assert(_mesa_components_in_format(table->_BaseFormat) > 0);
-
- if (start + count > (GLint) table->Size) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glColorSubTable(count)");
- return;
- }
-
- if (!table->TableF || !table->TableUB) {
- /* a GL_OUT_OF_MEMORY error would have been recorded previously */
- return;
- }
-
- store_colortable_entries(ctx, table, start, count,
- format, type, data,
- scale[0], bias[0],
- scale[1], bias[1],
- scale[2], bias[2],
- scale[3], bias[3]);
-
- if (texObj || target == GL_SHARED_TEXTURE_PALETTE_EXT) {
- /* per-texture object palette */
- if (ctx->Driver.UpdateTexturePalette) {
- (*ctx->Driver.UpdateTexturePalette)( ctx, texObj );
- }
- }
-
- ctx->NewState |= _NEW_PIXEL;
-}
-
-
-
-static void GLAPIENTRY
-_mesa_CopyColorTable(GLenum target, GLenum internalformat,
- GLint x, GLint y, GLsizei width)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (!ctx->ReadBuffer->_ColorReadBuffer) {
- return; /* no readbuffer - OK */
- }
-
- ctx->Driver.CopyColorTable( ctx, target, internalformat, x, y, width );
-}
-
-
-
-static void GLAPIENTRY
-_mesa_CopyColorSubTable(GLenum target, GLsizei start,
- GLint x, GLint y, GLsizei width)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (!ctx->ReadBuffer->_ColorReadBuffer) {
- return; /* no readbuffer - OK */
- }
-
- ctx->Driver.CopyColorSubTable( ctx, target, start, x, y, width );
-}
-
-
-
-static void GLAPIENTRY
-_mesa_GetColorTable( GLenum target, GLenum format,
- GLenum type, GLvoid *data )
-{
- GET_CURRENT_CONTEXT(ctx);
- struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
- struct gl_color_table *table = NULL;
- GLfloat rgba[MAX_COLOR_TABLE_SIZE][4];
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (ctx->NewState) {
- _mesa_update_state(ctx);
- }
-
- switch (target) {
- case GL_SHARED_TEXTURE_PALETTE_EXT:
- table = &ctx->Texture.Palette;
- break;
- default:
- /* try texture targets */
- {
- struct gl_texture_object *texobj
- = _mesa_select_tex_object(ctx, texUnit, target);
- if (texobj && !_mesa_is_proxy_texture(target)) {
- table = &texobj->Palette;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTable(target)");
- return;
- }
- }
- }
-
- ASSERT(table);
-
- if (table->Size <= 0) {
- return;
- }
-
- switch (table->_BaseFormat) {
- case GL_ALPHA:
- {
- GLuint i;
- for (i = 0; i < table->Size; i++) {
- rgba[i][RCOMP] = 0;
- rgba[i][GCOMP] = 0;
- rgba[i][BCOMP] = 0;
- rgba[i][ACOMP] = table->TableF[i];
- }
- }
- break;
- case GL_LUMINANCE:
- {
- GLuint i;
- for (i = 0; i < table->Size; i++) {
- rgba[i][RCOMP] =
- rgba[i][GCOMP] =
- rgba[i][BCOMP] = table->TableF[i];
- rgba[i][ACOMP] = 1.0F;
- }
- }
- break;
- case GL_LUMINANCE_ALPHA:
- {
- GLuint i;
- for (i = 0; i < table->Size; i++) {
- rgba[i][RCOMP] =
- rgba[i][GCOMP] =
- rgba[i][BCOMP] = table->TableF[i*2+0];
- rgba[i][ACOMP] = table->TableF[i*2+1];
- }
- }
- break;
- case GL_INTENSITY:
- {
- GLuint i;
- for (i = 0; i < table->Size; i++) {
- rgba[i][RCOMP] =
- rgba[i][GCOMP] =
- rgba[i][BCOMP] =
- rgba[i][ACOMP] = table->TableF[i];
- }
- }
- break;
- case GL_RGB:
- {
- GLuint i;
- for (i = 0; i < table->Size; i++) {
- rgba[i][RCOMP] = table->TableF[i*3+0];
- rgba[i][GCOMP] = table->TableF[i*3+1];
- rgba[i][BCOMP] = table->TableF[i*3+2];
- rgba[i][ACOMP] = 1.0F;
- }
- }
- break;
- case GL_RGBA:
- memcpy(rgba, table->TableF, 4 * table->Size * sizeof(GLfloat));
- break;
- default:
- _mesa_problem(ctx, "bad table format in glGetColorTable");
- return;
- }
-
- data = _mesa_map_validate_pbo_dest(ctx,
- 1, &ctx->Pack, table->Size, 1, 1,
- format, type, data,
- "glGetColorTable");
- if (!data)
- return;
-
- _mesa_pack_rgba_span_float(ctx, table->Size, rgba,
- format, type, data, &ctx->Pack, 0x0);
-
- _mesa_unmap_pbo_dest(ctx, &ctx->Pack);
-}
-
-
-
-static void GLAPIENTRY
-_mesa_ColorTableParameterfv(GLenum target, GLenum pname, const GLfloat *params)
-{
- /* no extensions use this function */
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- _mesa_error(ctx, GL_INVALID_ENUM, "glColorTableParameterfv(target)");
-}
-
-
-
-static void GLAPIENTRY
-_mesa_ColorTableParameteriv(GLenum target, GLenum pname, const GLint *params)
-{
- /* no extensions use this function */
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- _mesa_error(ctx, GL_INVALID_ENUM, "glColorTableParameteriv(target)");
-}
-
-
-
-static void GLAPIENTRY
-_mesa_GetColorTableParameterfv( GLenum target, GLenum pname, GLfloat *params )
-{
- GET_CURRENT_CONTEXT(ctx);
- struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
- struct gl_color_table *table = NULL;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- switch (target) {
- case GL_SHARED_TEXTURE_PALETTE_EXT:
- table = &ctx->Texture.Palette;
- break;
- default:
- /* try texture targets */
- {
- struct gl_texture_object *texobj
- = _mesa_select_tex_object(ctx, texUnit, target);
- if (texobj) {
- table = &texobj->Palette;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetColorTableParameterfv(target)");
- return;
- }
- }
- }
-
- assert(table);
-
- switch (pname) {
- case GL_COLOR_TABLE_FORMAT:
- *params = (GLfloat) table->InternalFormat;
- break;
- case GL_COLOR_TABLE_WIDTH:
- *params = (GLfloat) table->Size;
- break;
- case GL_COLOR_TABLE_RED_SIZE:
- *params = (GLfloat) table->RedSize;
- break;
- case GL_COLOR_TABLE_GREEN_SIZE:
- *params = (GLfloat) table->GreenSize;
- break;
- case GL_COLOR_TABLE_BLUE_SIZE:
- *params = (GLfloat) table->BlueSize;
- break;
- case GL_COLOR_TABLE_ALPHA_SIZE:
- *params = (GLfloat) table->AlphaSize;
- break;
- case GL_COLOR_TABLE_LUMINANCE_SIZE:
- *params = (GLfloat) table->LuminanceSize;
- break;
- case GL_COLOR_TABLE_INTENSITY_SIZE:
- *params = (GLfloat) table->IntensitySize;
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameterfv(pname)" );
- return;
- }
-}
-
-
-
-static void GLAPIENTRY
-_mesa_GetColorTableParameteriv( GLenum target, GLenum pname, GLint *params )
-{
- GET_CURRENT_CONTEXT(ctx);
- struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
- struct gl_color_table *table = NULL;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- switch (target) {
- case GL_SHARED_TEXTURE_PALETTE_EXT:
- table = &ctx->Texture.Palette;
- break;
- default:
- /* Try texture targets */
- {
- struct gl_texture_object *texobj
- = _mesa_select_tex_object(ctx, texUnit, target);
- if (texobj) {
- table = &texobj->Palette;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetColorTableParameteriv(target)");
- return;
- }
- }
- }
-
- assert(table);
-
- switch (pname) {
- case GL_COLOR_TABLE_FORMAT:
- *params = table->InternalFormat;
- break;
- case GL_COLOR_TABLE_WIDTH:
- *params = table->Size;
- break;
- case GL_COLOR_TABLE_RED_SIZE:
- *params = table->RedSize;
- break;
- case GL_COLOR_TABLE_GREEN_SIZE:
- *params = table->GreenSize;
- break;
- case GL_COLOR_TABLE_BLUE_SIZE:
- *params = table->BlueSize;
- break;
- case GL_COLOR_TABLE_ALPHA_SIZE:
- *params = table->AlphaSize;
- break;
- case GL_COLOR_TABLE_LUMINANCE_SIZE:
- *params = table->LuminanceSize;
- break;
- case GL_COLOR_TABLE_INTENSITY_SIZE:
- *params = table->IntensitySize;
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameteriv(pname)" );
- return;
- }
-}
-
-
-void
-_mesa_init_colortable_dispatch(struct _glapi_table *disp)
-{
- SET_ColorSubTable(disp, _mesa_ColorSubTable);
- SET_ColorTable(disp, _mesa_ColorTable);
- SET_ColorTableParameterfv(disp, _mesa_ColorTableParameterfv);
- SET_ColorTableParameteriv(disp, _mesa_ColorTableParameteriv);
- SET_CopyColorSubTable(disp, _mesa_CopyColorSubTable);
- SET_CopyColorTable(disp, _mesa_CopyColorTable);
- SET_GetColorTable(disp, _mesa_GetColorTable);
- SET_GetColorTableParameterfv(disp, _mesa_GetColorTableParameterfv);
- SET_GetColorTableParameteriv(disp, _mesa_GetColorTableParameteriv);
-}
-
-
-#endif /* FEATURE_colortable */
-
-
-/**********************************************************************/
-/***** Initialization *****/
-/**********************************************************************/
-
-
-void
-_mesa_init_colortable( struct gl_color_table *p )
-{
- p->TableF = NULL;
- p->TableUB = NULL;
- p->Size = 0;
- p->InternalFormat = GL_RGBA;
-}
-
-
-
-void
-_mesa_free_colortable_data( struct gl_color_table *p )
-{
- if (p->TableF) {
- free(p->TableF);
- p->TableF = NULL;
- }
- if (p->TableUB) {
- free(p->TableUB);
- p->TableUB = NULL;
- }
-}
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.1
+ *
+ * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#include "glheader.h"
+#include "bufferobj.h"
+#include "colortab.h"
+#include "context.h"
+#include "image.h"
+#include "macros.h"
+#include "mfeatures.h"
+#include "mtypes.h"
+#include "pack.h"
+#include "pbo.h"
+#include "state.h"
+#include "teximage.h"
+#include "texstate.h"
+#include "main/dispatch.h"
+
+
+#if FEATURE_colortable
+
+
+/**
+ * Given an internalFormat token passed to glColorTable,
+ * return the corresponding base format.
+ * Return -1 if invalid token.
+ */
+static GLint
+base_colortab_format( GLenum format )
+{
+ switch (format) {
+ case GL_ALPHA:
+ case GL_ALPHA4:
+ case GL_ALPHA8:
+ case GL_ALPHA12:
+ case GL_ALPHA16:
+ return GL_ALPHA;
+ case GL_LUMINANCE:
+ case GL_LUMINANCE4:
+ case GL_LUMINANCE8:
+ case GL_LUMINANCE12:
+ case GL_LUMINANCE16:
+ return GL_LUMINANCE;
+ case GL_LUMINANCE_ALPHA:
+ case GL_LUMINANCE4_ALPHA4:
+ case GL_LUMINANCE6_ALPHA2:
+ case GL_LUMINANCE8_ALPHA8:
+ case GL_LUMINANCE12_ALPHA4:
+ case GL_LUMINANCE12_ALPHA12:
+ case GL_LUMINANCE16_ALPHA16:
+ return GL_LUMINANCE_ALPHA;
+ case GL_INTENSITY:
+ case GL_INTENSITY4:
+ case GL_INTENSITY8:
+ case GL_INTENSITY12:
+ case GL_INTENSITY16:
+ return GL_INTENSITY;
+ case GL_RGB:
+ case GL_R3_G3_B2:
+ case GL_RGB4:
+ case GL_RGB5:
+ case GL_RGB8:
+ case GL_RGB10:
+ case GL_RGB12:
+ case GL_RGB16:
+ return GL_RGB;
+ case GL_RGBA:
+ case GL_RGBA2:
+ case GL_RGBA4:
+ case GL_RGB5_A1:
+ case GL_RGBA8:
+ case GL_RGB10_A2:
+ case GL_RGBA12:
+ case GL_RGBA16:
+ return GL_RGBA;
+ default:
+ return -1; /* error */
+ }
+}
+
+
+
+/**
+ * Examine table's format and set the component sizes accordingly.
+ */
+static void
+set_component_sizes( struct gl_color_table *table )
+{
+ /* assuming the ubyte table */
+ const GLubyte sz = 8;
+
+ switch (table->_BaseFormat) {
+ case GL_ALPHA:
+ table->RedSize = 0;
+ table->GreenSize = 0;
+ table->BlueSize = 0;
+ table->AlphaSize = sz;
+ table->IntensitySize = 0;
+ table->LuminanceSize = 0;
+ break;
+ case GL_LUMINANCE:
+ table->RedSize = 0;
+ table->GreenSize = 0;
+ table->BlueSize = 0;
+ table->AlphaSize = 0;
+ table->IntensitySize = 0;
+ table->LuminanceSize = sz;
+ break;
+ case GL_LUMINANCE_ALPHA:
+ table->RedSize = 0;
+ table->GreenSize = 0;
+ table->BlueSize = 0;
+ table->AlphaSize = sz;
+ table->IntensitySize = 0;
+ table->LuminanceSize = sz;
+ break;
+ case GL_INTENSITY:
+ table->RedSize = 0;
+ table->GreenSize = 0;
+ table->BlueSize = 0;
+ table->AlphaSize = 0;
+ table->IntensitySize = sz;
+ table->LuminanceSize = 0;
+ break;
+ case GL_RGB:
+ table->RedSize = sz;
+ table->GreenSize = sz;
+ table->BlueSize = sz;
+ table->AlphaSize = 0;
+ table->IntensitySize = 0;
+ table->LuminanceSize = 0;
+ break;
+ case GL_RGBA:
+ table->RedSize = sz;
+ table->GreenSize = sz;
+ table->BlueSize = sz;
+ table->AlphaSize = sz;
+ table->IntensitySize = 0;
+ table->LuminanceSize = 0;
+ break;
+ default:
+ _mesa_problem(NULL, "unexpected format in set_component_sizes");
+ }
+}
+
+
+
+/**
+ * Update/replace all or part of a color table. Helper function
+ * used by _mesa_ColorTable() and _mesa_ColorSubTable().
+ * The table->Table buffer should already be allocated.
+ * \param start first entry to update
+ * \param count number of entries to update
+ * \param format format of user-provided table data
+ * \param type datatype of user-provided table data
+ * \param data user-provided table data
+ * \param [rgba]Scale - RGBA scale factors
+ * \param [rgba]Bias - RGBA bias factors
+ */
+static void
+store_colortable_entries(struct gl_context *ctx, struct gl_color_table *table,
+ GLsizei start, GLsizei count,
+ GLenum format, GLenum type, const GLvoid *data,
+ GLfloat rScale, GLfloat rBias,
+ GLfloat gScale, GLfloat gBias,
+ GLfloat bScale, GLfloat bBias,
+ GLfloat aScale, GLfloat aBias)
+{
+ data = _mesa_map_validate_pbo_source(ctx,
+ 1, &ctx->Unpack, count, 1, 1,
+ format, type, data,
+ "glColor[Sub]Table");
+ if (!data)
+ return;
+
+ {
+ /* convert user-provided data to GLfloat values */
+ GLfloat tempTab[MAX_COLOR_TABLE_SIZE * 4];
+ GLfloat *tableF;
+ GLint i;
+
+ _mesa_unpack_color_span_float(ctx,
+ count, /* number of pixels */
+ table->_BaseFormat, /* dest format */
+ tempTab, /* dest address */
+ format, type, /* src format/type */
+ data, /* src data */
+ &ctx->Unpack,
+ IMAGE_CLAMP_BIT); /* transfer ops */
+
+ /* the destination */
+ tableF = table->TableF;
+
+ /* Apply scale & bias & clamp now */
+ switch (table->_BaseFormat) {
+ case GL_INTENSITY:
+ for (i = 0; i < count; i++) {
+ GLuint j = start + i;
+ tableF[j] = CLAMP(tempTab[i] * rScale + rBias, 0.0F, 1.0F);
+ }
+ break;
+ case GL_LUMINANCE:
+ for (i = 0; i < count; i++) {
+ GLuint j = start + i;
+ tableF[j] = CLAMP(tempTab[i] * rScale + rBias, 0.0F, 1.0F);
+ }
+ break;
+ case GL_ALPHA:
+ for (i = 0; i < count; i++) {
+ GLuint j = start + i;
+ tableF[j] = CLAMP(tempTab[i] * aScale + aBias, 0.0F, 1.0F);
+ }
+ break;
+ case GL_LUMINANCE_ALPHA:
+ for (i = 0; i < count; i++) {
+ GLuint j = start + i;
+ tableF[j*2+0] = CLAMP(tempTab[i*2+0] * rScale + rBias, 0.0F, 1.0F);
+ tableF[j*2+1] = CLAMP(tempTab[i*2+1] * aScale + aBias, 0.0F, 1.0F);
+ }
+ break;
+ case GL_RGB:
+ for (i = 0; i < count; i++) {
+ GLuint j = start + i;
+ tableF[j*3+0] = CLAMP(tempTab[i*3+0] * rScale + rBias, 0.0F, 1.0F);
+ tableF[j*3+1] = CLAMP(tempTab[i*3+1] * gScale + gBias, 0.0F, 1.0F);
+ tableF[j*3+2] = CLAMP(tempTab[i*3+2] * bScale + bBias, 0.0F, 1.0F);
+ }
+ break;
+ case GL_RGBA:
+ for (i = 0; i < count; i++) {
+ GLuint j = start + i;
+ tableF[j*4+0] = CLAMP(tempTab[i*4+0] * rScale + rBias, 0.0F, 1.0F);
+ tableF[j*4+1] = CLAMP(tempTab[i*4+1] * gScale + gBias, 0.0F, 1.0F);
+ tableF[j*4+2] = CLAMP(tempTab[i*4+2] * bScale + bBias, 0.0F, 1.0F);
+ tableF[j*4+3] = CLAMP(tempTab[i*4+3] * aScale + aBias, 0.0F, 1.0F);
+ }
+ break;
+ default:
+ _mesa_problem(ctx, "Bad format in store_colortable_entries");
+ return;
+ }
+ }
+
+ /* update the ubyte table */
+ {
+ const GLint comps = _mesa_components_in_format(table->_BaseFormat);
+ const GLfloat *tableF = table->TableF + start * comps;
+ GLubyte *tableUB = table->TableUB + start * comps;
+ GLint i;
+ for (i = 0; i < count * comps; i++) {
+ CLAMPED_FLOAT_TO_UBYTE(tableUB[i], tableF[i]);
+ }
+ }
+
+ _mesa_unmap_pbo_source(ctx, &ctx->Unpack);
+}
+
+
+
+void GLAPIENTRY
+_mesa_ColorTable( GLenum target, GLenum internalFormat,
+ GLsizei width, GLenum format, GLenum type,
+ const GLvoid *data )
+{
+ static const GLfloat one[4] = { 1.0, 1.0, 1.0, 1.0 };
+ static const GLfloat zero[4] = { 0.0, 0.0, 0.0, 0.0 };
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
+ struct gl_texture_object *texObj = NULL;
+ struct gl_color_table *table = NULL;
+ GLboolean proxy = GL_FALSE;
+ GLint baseFormat;
+ const GLfloat *scale = one, *bias = zero;
+ GLint comps;
+
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); /* too complex */
+
+ switch (target) {
+ case GL_SHARED_TEXTURE_PALETTE_EXT:
+ table = &ctx->Texture.Palette;
+ break;
+ default:
+ /* try texture targets */
+ {
+ struct gl_texture_object *texobj
+ = _mesa_select_tex_object(ctx, texUnit, target);
+ if (texobj) {
+ table = &texobj->Palette;
+ proxy = _mesa_is_proxy_texture(target);
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glColorTable(target)");
+ return;
+ }
+ }
+ }
+
+ assert(table);
+
+ if (!_mesa_is_legal_format_and_type(ctx, format, type) ||
+ format == GL_INTENSITY) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glColorTable(format or type)");
+ return;
+ }
+
+ baseFormat = base_colortab_format(internalFormat);
+ if (baseFormat < 0) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glColorTable(internalFormat)");
+ return;
+ }
+
+ if (width < 0 || (width != 0 && !_mesa_is_pow_two(width))) {
+ /* error */
+ if (proxy) {
+ table->Size = 0;
+ table->InternalFormat = (GLenum) 0;
+ table->_BaseFormat = (GLenum) 0;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glColorTable(width=%d)", width);
+ }
+ return;
+ }
+
+ if (width > (GLsizei) ctx->Const.MaxColorTableSize) {
+ if (proxy) {
+ table->Size = 0;
+ table->InternalFormat = (GLenum) 0;
+ table->_BaseFormat = (GLenum) 0;
+ }
+ else {
+ _mesa_error(ctx, GL_TABLE_TOO_LARGE, "glColorTable(width)");
+ }
+ return;
+ }
+
+ table->Size = width;
+ table->InternalFormat = internalFormat;
+ table->_BaseFormat = (GLenum) baseFormat;
+
+ comps = _mesa_components_in_format(table->_BaseFormat);
+ assert(comps > 0); /* error should have been caught sooner */
+
+ if (!proxy) {
+ _mesa_free_colortable_data(table);
+
+ if (width > 0) {
+ table->TableF = (GLfloat *) malloc(comps * width * sizeof(GLfloat));
+ table->TableUB = (GLubyte *) malloc(comps * width * sizeof(GLubyte));
+
+ if (!table->TableF || !table->TableUB) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glColorTable");
+ return;
+ }
+
+ store_colortable_entries(ctx, table,
+ 0, width, /* start, count */
+ format, type, data,
+ scale[0], bias[0],
+ scale[1], bias[1],
+ scale[2], bias[2],
+ scale[3], bias[3]);
+ }
+ } /* proxy */
+
+ /* do this after the table's Type and Format are set */
+ set_component_sizes(table);
+
+ if (texObj || target == GL_SHARED_TEXTURE_PALETTE_EXT) {
+ /* texture object palette, texObj==NULL means the shared palette */
+ if (ctx->Driver.UpdateTexturePalette) {
+ (*ctx->Driver.UpdateTexturePalette)( ctx, texObj );
+ }
+ }
+
+ ctx->NewState |= _NEW_PIXEL;
+}
+
+
+
+void GLAPIENTRY
+_mesa_ColorSubTable( GLenum target, GLsizei start,
+ GLsizei count, GLenum format, GLenum type,
+ const GLvoid *data )
+{
+ static const GLfloat one[4] = { 1.0, 1.0, 1.0, 1.0 };
+ static const GLfloat zero[4] = { 0.0, 0.0, 0.0, 0.0 };
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
+ struct gl_texture_object *texObj = NULL;
+ struct gl_color_table *table = NULL;
+ const GLfloat *scale = one, *bias = zero;
+
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ switch (target) {
+ case GL_SHARED_TEXTURE_PALETTE_EXT:
+ table = &ctx->Texture.Palette;
+ break;
+ default:
+ /* try texture targets */
+ texObj = _mesa_select_tex_object(ctx, texUnit, target);
+ if (texObj && !_mesa_is_proxy_texture(target)) {
+ table = &texObj->Palette;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glColorSubTable(target)");
+ return;
+ }
+ }
+
+ assert(table);
+
+ if (!_mesa_is_legal_format_and_type(ctx, format, type) ||
+ format == GL_INTENSITY) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glColorSubTable(format or type)");
+ return;
+ }
+
+ if (count < 1) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glColorSubTable(count)");
+ return;
+ }
+
+ /* error should have been caught sooner */
+ assert(_mesa_components_in_format(table->_BaseFormat) > 0);
+
+ if (start + count > (GLint) table->Size) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glColorSubTable(count)");
+ return;
+ }
+
+ if (!table->TableF || !table->TableUB) {
+ /* a GL_OUT_OF_MEMORY error would have been recorded previously */
+ return;
+ }
+
+ store_colortable_entries(ctx, table, start, count,
+ format, type, data,
+ scale[0], bias[0],
+ scale[1], bias[1],
+ scale[2], bias[2],
+ scale[3], bias[3]);
+
+ if (texObj || target == GL_SHARED_TEXTURE_PALETTE_EXT) {
+ /* per-texture object palette */
+ if (ctx->Driver.UpdateTexturePalette) {
+ (*ctx->Driver.UpdateTexturePalette)( ctx, texObj );
+ }
+ }
+
+ ctx->NewState |= _NEW_PIXEL;
+}
+
+
+
+static void GLAPIENTRY
+_mesa_CopyColorTable(GLenum target, GLenum internalformat,
+ GLint x, GLint y, GLsizei width)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (!ctx->ReadBuffer->_ColorReadBuffer) {
+ return; /* no readbuffer - OK */
+ }
+
+ ctx->Driver.CopyColorTable( ctx, target, internalformat, x, y, width );
+}
+
+
+
+static void GLAPIENTRY
+_mesa_CopyColorSubTable(GLenum target, GLsizei start,
+ GLint x, GLint y, GLsizei width)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (!ctx->ReadBuffer->_ColorReadBuffer) {
+ return; /* no readbuffer - OK */
+ }
+
+ ctx->Driver.CopyColorSubTable( ctx, target, start, x, y, width );
+}
+
+
+
+static void GLAPIENTRY
+_mesa_GetColorTable( GLenum target, GLenum format,
+ GLenum type, GLvoid *data )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
+ struct gl_color_table *table = NULL;
+ GLfloat rgba[MAX_COLOR_TABLE_SIZE][4];
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (ctx->NewState) {
+ _mesa_update_state(ctx);
+ }
+
+ switch (target) {
+ case GL_SHARED_TEXTURE_PALETTE_EXT:
+ table = &ctx->Texture.Palette;
+ break;
+ default:
+ /* try texture targets */
+ {
+ struct gl_texture_object *texobj
+ = _mesa_select_tex_object(ctx, texUnit, target);
+ if (texobj && !_mesa_is_proxy_texture(target)) {
+ table = &texobj->Palette;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTable(target)");
+ return;
+ }
+ }
+ }
+
+ ASSERT(table);
+
+ if (table->Size <= 0) {
+ return;
+ }
+
+ switch (table->_BaseFormat) {
+ case GL_ALPHA:
+ {
+ GLuint i;
+ for (i = 0; i < table->Size; i++) {
+ rgba[i][RCOMP] = 0;
+ rgba[i][GCOMP] = 0;
+ rgba[i][BCOMP] = 0;
+ rgba[i][ACOMP] = table->TableF[i];
+ }
+ }
+ break;
+ case GL_LUMINANCE:
+ {
+ GLuint i;
+ for (i = 0; i < table->Size; i++) {
+ rgba[i][RCOMP] =
+ rgba[i][GCOMP] =
+ rgba[i][BCOMP] = table->TableF[i];
+ rgba[i][ACOMP] = 1.0F;
+ }
+ }
+ break;
+ case GL_LUMINANCE_ALPHA:
+ {
+ GLuint i;
+ for (i = 0; i < table->Size; i++) {
+ rgba[i][RCOMP] =
+ rgba[i][GCOMP] =
+ rgba[i][BCOMP] = table->TableF[i*2+0];
+ rgba[i][ACOMP] = table->TableF[i*2+1];
+ }
+ }
+ break;
+ case GL_INTENSITY:
+ {
+ GLuint i;
+ for (i = 0; i < table->Size; i++) {
+ rgba[i][RCOMP] =
+ rgba[i][GCOMP] =
+ rgba[i][BCOMP] =
+ rgba[i][ACOMP] = table->TableF[i];
+ }
+ }
+ break;
+ case GL_RGB:
+ {
+ GLuint i;
+ for (i = 0; i < table->Size; i++) {
+ rgba[i][RCOMP] = table->TableF[i*3+0];
+ rgba[i][GCOMP] = table->TableF[i*3+1];
+ rgba[i][BCOMP] = table->TableF[i*3+2];
+ rgba[i][ACOMP] = 1.0F;
+ }
+ }
+ break;
+ case GL_RGBA:
+ memcpy(rgba, table->TableF, 4 * table->Size * sizeof(GLfloat));
+ break;
+ default:
+ _mesa_problem(ctx, "bad table format in glGetColorTable");
+ return;
+ }
+
+ data = _mesa_map_validate_pbo_dest(ctx,
+ 1, &ctx->Pack, table->Size, 1, 1,
+ format, type, data,
+ "glGetColorTable");
+ if (!data)
+ return;
+
+ _mesa_pack_rgba_span_float(ctx, table->Size, rgba,
+ format, type, data, &ctx->Pack, 0x0);
+
+ _mesa_unmap_pbo_dest(ctx, &ctx->Pack);
+}
+
+
+
+static void GLAPIENTRY
+_mesa_ColorTableParameterfv(GLenum target, GLenum pname, const GLfloat *params)
+{
+ /* no extensions use this function */
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+ _mesa_error(ctx, GL_INVALID_ENUM, "glColorTableParameterfv(target)");
+}
+
+
+
+static void GLAPIENTRY
+_mesa_ColorTableParameteriv(GLenum target, GLenum pname, const GLint *params)
+{
+ /* no extensions use this function */
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+ _mesa_error(ctx, GL_INVALID_ENUM, "glColorTableParameteriv(target)");
+}
+
+
+
+static void GLAPIENTRY
+_mesa_GetColorTableParameterfv( GLenum target, GLenum pname, GLfloat *params )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
+ struct gl_color_table *table = NULL;
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ switch (target) {
+ case GL_SHARED_TEXTURE_PALETTE_EXT:
+ table = &ctx->Texture.Palette;
+ break;
+ default:
+ /* try texture targets */
+ {
+ struct gl_texture_object *texobj
+ = _mesa_select_tex_object(ctx, texUnit, target);
+ if (texobj) {
+ table = &texobj->Palette;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetColorTableParameterfv(target)");
+ return;
+ }
+ }
+ }
+
+ assert(table);
+
+ switch (pname) {
+ case GL_COLOR_TABLE_FORMAT:
+ *params = (GLfloat) table->InternalFormat;
+ break;
+ case GL_COLOR_TABLE_WIDTH:
+ *params = (GLfloat) table->Size;
+ break;
+ case GL_COLOR_TABLE_RED_SIZE:
+ *params = (GLfloat) table->RedSize;
+ break;
+ case GL_COLOR_TABLE_GREEN_SIZE:
+ *params = (GLfloat) table->GreenSize;
+ break;
+ case GL_COLOR_TABLE_BLUE_SIZE:
+ *params = (GLfloat) table->BlueSize;
+ break;
+ case GL_COLOR_TABLE_ALPHA_SIZE:
+ *params = (GLfloat) table->AlphaSize;
+ break;
+ case GL_COLOR_TABLE_LUMINANCE_SIZE:
+ *params = (GLfloat) table->LuminanceSize;
+ break;
+ case GL_COLOR_TABLE_INTENSITY_SIZE:
+ *params = (GLfloat) table->IntensitySize;
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameterfv(pname)" );
+ return;
+ }
+}
+
+
+
+static void GLAPIENTRY
+_mesa_GetColorTableParameteriv( GLenum target, GLenum pname, GLint *params )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
+ struct gl_color_table *table = NULL;
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ switch (target) {
+ case GL_SHARED_TEXTURE_PALETTE_EXT:
+ table = &ctx->Texture.Palette;
+ break;
+ default:
+ /* Try texture targets */
+ {
+ struct gl_texture_object *texobj
+ = _mesa_select_tex_object(ctx, texUnit, target);
+ if (texobj) {
+ table = &texobj->Palette;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetColorTableParameteriv(target)");
+ return;
+ }
+ }
+ }
+
+ assert(table);
+
+ switch (pname) {
+ case GL_COLOR_TABLE_FORMAT:
+ *params = table->InternalFormat;
+ break;
+ case GL_COLOR_TABLE_WIDTH:
+ *params = table->Size;
+ break;
+ case GL_COLOR_TABLE_RED_SIZE:
+ *params = table->RedSize;
+ break;
+ case GL_COLOR_TABLE_GREEN_SIZE:
+ *params = table->GreenSize;
+ break;
+ case GL_COLOR_TABLE_BLUE_SIZE:
+ *params = table->BlueSize;
+ break;
+ case GL_COLOR_TABLE_ALPHA_SIZE:
+ *params = table->AlphaSize;
+ break;
+ case GL_COLOR_TABLE_LUMINANCE_SIZE:
+ *params = table->LuminanceSize;
+ break;
+ case GL_COLOR_TABLE_INTENSITY_SIZE:
+ *params = table->IntensitySize;
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetColorTableParameteriv(pname)" );
+ return;
+ }
+}
+
+
+void
+_mesa_init_colortable_dispatch(struct _glapi_table *disp)
+{
+ SET_ColorSubTable(disp, _mesa_ColorSubTable);
+ SET_ColorTable(disp, _mesa_ColorTable);
+ SET_ColorTableParameterfv(disp, _mesa_ColorTableParameterfv);
+ SET_ColorTableParameteriv(disp, _mesa_ColorTableParameteriv);
+ SET_CopyColorSubTable(disp, _mesa_CopyColorSubTable);
+ SET_CopyColorTable(disp, _mesa_CopyColorTable);
+ SET_GetColorTable(disp, _mesa_GetColorTable);
+ SET_GetColorTableParameterfv(disp, _mesa_GetColorTableParameterfv);
+ SET_GetColorTableParameteriv(disp, _mesa_GetColorTableParameteriv);
+}
+
+
+#endif /* FEATURE_colortable */
+
+
+/**********************************************************************/
+/***** Initialization *****/
+/**********************************************************************/
+
+
+void
+_mesa_init_colortable( struct gl_color_table *p )
+{
+ p->TableF = NULL;
+ p->TableUB = NULL;
+ p->Size = 0;
+ p->InternalFormat = GL_RGBA;
+}
+
+
+
+void
+_mesa_free_colortable_data( struct gl_color_table *p )
+{
+ if (p->TableF) {
+ free(p->TableF);
+ p->TableF = NULL;
+ }
+ if (p->TableUB) {
+ free(p->TableUB);
+ p->TableUB = NULL;
+ }
+}
diff --git a/mesalib/src/mesa/main/compiler.h b/mesalib/src/mesa/main/compiler.h
index 41cd48bc6..c1d773b18 100644
--- a/mesalib/src/mesa/main/compiler.h
+++ b/mesalib/src/mesa/main/compiler.h
@@ -60,29 +60,7 @@ extern "C" {
/**
* Get standard integer types
*/
-#if defined(_MSC_VER)
- typedef __int8 int8_t;
- typedef unsigned __int8 uint8_t;
- typedef __int16 int16_t;
- typedef unsigned __int16 uint16_t;
- typedef __int32 int32_t;
- typedef unsigned __int32 uint32_t;
- typedef __int64 int64_t;
- typedef unsigned __int64 uint64_t;
-
-# if defined(_WIN64)
- typedef __int64 intptr_t;
- typedef unsigned __int64 uintptr_t;
-# else
- typedef __int32 intptr_t;
- typedef unsigned __int32 uintptr_t;
-# endif
-
-# define INT64_C(__val) __val##i64
-# define UINT64_C(__val) __val##ui64
-#else
-# include <stdint.h>
-#endif
+#include <stdint.h>
/**
diff --git a/mesalib/src/mesa/main/debug.c b/mesalib/src/mesa/main/debug.c
index 2a8fd0880..f82e32ed8 100644
--- a/mesalib/src/mesa/main/debug.c
+++ b/mesalib/src/mesa/main/debug.c
@@ -1,634 +1,634 @@
-/*
- * Mesa 3-D graphics library
- * Version: 6.5
- *
- * Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
- * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#include "mtypes.h"
-#include "attrib.h"
-#include "colormac.h"
-#include "enums.h"
-#include "formats.h"
-#include "hash.h"
-#include "imports.h"
-#include "debug.h"
-#include "get.h"
-#include "pixelstore.h"
-#include "readpix.h"
-#include "texobj.h"
-
-
-static const char *
-tex_target_name(GLenum tgt)
-{
- static const struct {
- GLenum target;
- const char *name;
- } tex_targets[] = {
- { GL_TEXTURE_1D, "GL_TEXTURE_1D" },
- { GL_TEXTURE_2D, "GL_TEXTURE_2D" },
- { GL_TEXTURE_3D, "GL_TEXTURE_3D" },
- { GL_TEXTURE_CUBE_MAP, "GL_TEXTURE_CUBE_MAP" },
- { GL_TEXTURE_RECTANGLE, "GL_TEXTURE_RECTANGLE" },
- { GL_TEXTURE_1D_ARRAY_EXT, "GL_TEXTURE_1D_ARRAY" },
- { GL_TEXTURE_2D_ARRAY_EXT, "GL_TEXTURE_2D_ARRAY" }
- };
- GLuint i;
- for (i = 0; i < Elements(tex_targets); i++) {
- if (tex_targets[i].target == tgt)
- return tex_targets[i].name;
- }
- return "UNKNOWN TEX TARGET";
-}
-
-
-void
-_mesa_print_state( const char *msg, GLuint state )
-{
- _mesa_debug(NULL,
- "%s: (0x%x) %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
- msg,
- state,
- (state & _NEW_MODELVIEW) ? "ctx->ModelView, " : "",
- (state & _NEW_PROJECTION) ? "ctx->Projection, " : "",
- (state & _NEW_TEXTURE_MATRIX) ? "ctx->TextureMatrix, " : "",
- (state & _NEW_COLOR) ? "ctx->Color, " : "",
- (state & _NEW_DEPTH) ? "ctx->Depth, " : "",
- (state & _NEW_EVAL) ? "ctx->Eval/EvalMap, " : "",
- (state & _NEW_FOG) ? "ctx->Fog, " : "",
- (state & _NEW_HINT) ? "ctx->Hint, " : "",
- (state & _NEW_LIGHT) ? "ctx->Light, " : "",
- (state & _NEW_LINE) ? "ctx->Line, " : "",
- (state & _NEW_PIXEL) ? "ctx->Pixel, " : "",
- (state & _NEW_POINT) ? "ctx->Point, " : "",
- (state & _NEW_POLYGON) ? "ctx->Polygon, " : "",
- (state & _NEW_POLYGONSTIPPLE) ? "ctx->PolygonStipple, " : "",
- (state & _NEW_SCISSOR) ? "ctx->Scissor, " : "",
- (state & _NEW_STENCIL) ? "ctx->Stencil, " : "",
- (state & _NEW_TEXTURE) ? "ctx->Texture, " : "",
- (state & _NEW_TRANSFORM) ? "ctx->Transform, " : "",
- (state & _NEW_VIEWPORT) ? "ctx->Viewport, " : "",
- (state & _NEW_PACKUNPACK) ? "ctx->Pack/Unpack, " : "",
- (state & _NEW_ARRAY) ? "ctx->Array, " : "",
- (state & _NEW_RENDERMODE) ? "ctx->RenderMode, " : "",
- (state & _NEW_BUFFERS) ? "ctx->Visual, ctx->DrawBuffer,, " : "");
-}
-
-
-
-void
-_mesa_print_tri_caps( const char *name, GLuint flags )
-{
- _mesa_debug(NULL,
- "%s: (0x%x) %s%s%s%s%s%s%s%s%s%s%s%s%s\n",
- name,
- flags,
- (flags & DD_FLATSHADE) ? "flat-shade, " : "",
- (flags & DD_SEPARATE_SPECULAR) ? "separate-specular, " : "",
- (flags & DD_TRI_LIGHT_TWOSIDE) ? "tri-light-twoside, " : "",
- (flags & DD_TRI_TWOSTENCIL) ? "tri-twostencil, " : "",
- (flags & DD_TRI_UNFILLED) ? "tri-unfilled, " : "",
- (flags & DD_TRI_STIPPLE) ? "tri-stipple, " : "",
- (flags & DD_TRI_OFFSET) ? "tri-offset, " : "",
- (flags & DD_TRI_SMOOTH) ? "tri-smooth, " : "",
- (flags & DD_LINE_SMOOTH) ? "line-smooth, " : "",
- (flags & DD_LINE_STIPPLE) ? "line-stipple, " : "",
- (flags & DD_POINT_SMOOTH) ? "point-smooth, " : "",
- (flags & DD_POINT_ATTEN) ? "point-atten, " : "",
- (flags & DD_TRI_CULL_FRONT_BACK) ? "cull-all, " : ""
- );
-}
-
-
-/**
- * Print information about this Mesa version and build options.
- */
-void _mesa_print_info( void )
-{
- _mesa_debug(NULL, "Mesa GL_VERSION = %s\n",
- (char *) _mesa_GetString(GL_VERSION));
- _mesa_debug(NULL, "Mesa GL_RENDERER = %s\n",
- (char *) _mesa_GetString(GL_RENDERER));
- _mesa_debug(NULL, "Mesa GL_VENDOR = %s\n",
- (char *) _mesa_GetString(GL_VENDOR));
- _mesa_debug(NULL, "Mesa GL_EXTENSIONS = %s\n",
- (char *) _mesa_GetString(GL_EXTENSIONS));
-#if defined(THREADS)
- _mesa_debug(NULL, "Mesa thread-safe: YES\n");
-#else
- _mesa_debug(NULL, "Mesa thread-safe: NO\n");
-#endif
-#if defined(USE_X86_ASM)
- _mesa_debug(NULL, "Mesa x86-optimized: YES\n");
-#else
- _mesa_debug(NULL, "Mesa x86-optimized: NO\n");
-#endif
-#if defined(USE_SPARC_ASM)
- _mesa_debug(NULL, "Mesa sparc-optimized: YES\n");
-#else
- _mesa_debug(NULL, "Mesa sparc-optimized: NO\n");
-#endif
-}
-
-
-/**
- * Set the debugging flags.
- *
- * \param debug debug string
- *
- * If compiled with debugging support then search for keywords in \p debug and
- * enables the verbose debug output of the respective feature.
- */
-static void add_debug_flags( const char *debug )
-{
-#ifdef DEBUG
- struct debug_option {
- const char *name;
- GLbitfield flag;
- };
- static const struct debug_option debug_opt[] = {
- { "varray", VERBOSE_VARRAY },
- { "tex", VERBOSE_TEXTURE },
- { "mat", VERBOSE_MATERIAL },
- { "pipe", VERBOSE_PIPELINE },
- { "driver", VERBOSE_DRIVER },
- { "state", VERBOSE_STATE },
- { "api", VERBOSE_API },
- { "list", VERBOSE_DISPLAY_LIST },
- { "lighting", VERBOSE_LIGHTING },
- { "disassem", VERBOSE_DISASSEM },
- { "draw", VERBOSE_DRAW },
- { "swap", VERBOSE_SWAPBUFFERS }
- };
- GLuint i;
-
- MESA_VERBOSE = 0x0;
- for (i = 0; i < Elements(debug_opt); i++) {
- if (strstr(debug, debug_opt[i].name))
- MESA_VERBOSE |= debug_opt[i].flag;
- }
-
- /* Debug flag:
- */
- if (strstr(debug, "flush"))
- MESA_DEBUG_FLAGS |= DEBUG_ALWAYS_FLUSH;
-
-#if defined(_FPU_GETCW) && defined(_FPU_SETCW)
- if (strstr(debug, "fpexceptions")) {
- /* raise FP exceptions */
- fpu_control_t mask;
- _FPU_GETCW(mask);
- mask &= ~(_FPU_MASK_IM | _FPU_MASK_DM | _FPU_MASK_ZM
- | _FPU_MASK_OM | _FPU_MASK_UM);
- _FPU_SETCW(mask);
- }
-#endif
-
-#else
- (void) debug;
-#endif
-}
-
-
-void
-_mesa_init_debug( struct gl_context *ctx )
-{
- char *c;
- c = _mesa_getenv("MESA_DEBUG");
- if (c)
- add_debug_flags(c);
-
- c = _mesa_getenv("MESA_VERBOSE");
- if (c)
- add_debug_flags(c);
-}
-
-
-/*
- * Write ppm file
- */
-static void
-write_ppm(const char *filename, const GLubyte *buffer, int width, int height,
- int comps, int rcomp, int gcomp, int bcomp, GLboolean invert)
-{
- FILE *f = fopen( filename, "w" );
- if (f) {
- int x, y;
- const GLubyte *ptr = buffer;
- fprintf(f,"P6\n");
- fprintf(f,"# ppm-file created by osdemo.c\n");
- fprintf(f,"%i %i\n", width,height);
- fprintf(f,"255\n");
- fclose(f);
- f = fopen( filename, "ab" ); /* reopen in binary append mode */
- for (y=0; y < height; y++) {
- for (x = 0; x < width; x++) {
- int yy = invert ? (height - 1 - y) : y;
- int i = (yy * width + x) * comps;
- fputc(ptr[i+rcomp], f); /* write red */
- fputc(ptr[i+gcomp], f); /* write green */
- fputc(ptr[i+bcomp], f); /* write blue */
- }
- }
- fclose(f);
- }
- else {
- fprintf(stderr, "Unable to create %s in write_ppm()\n", filename);
- }
-}
-
-
-/**
- * Write a texture image to a ppm file.
- * \param face cube face in [0,5]
- * \param level mipmap level
- */
-static void
-write_texture_image(struct gl_texture_object *texObj,
- GLuint face, GLuint level)
-{
- struct gl_texture_image *img = texObj->Image[face][level];
- if (img) {
- GET_CURRENT_CONTEXT(ctx);
- struct gl_pixelstore_attrib store;
- GLubyte *buffer;
- char s[100];
-
- buffer = (GLubyte *) malloc(img->Width * img->Height
- * img->Depth * 4);
-
- store = ctx->Pack; /* save */
- ctx->Pack = ctx->DefaultPacking;
-
- ctx->Driver.GetTexImage(ctx, texObj->Target, level,
- GL_RGBA, GL_UNSIGNED_BYTE,
- buffer, texObj, img);
-
- /* make filename */
- _mesa_snprintf(s, sizeof(s), "/tmp/tex%u.l%u.f%u.ppm", texObj->Name, level, face);
-
- printf(" Writing image level %u to %s\n", level, s);
- write_ppm(s, buffer, img->Width, img->Height, 4, 0, 1, 2, GL_FALSE);
-
- ctx->Pack = store; /* restore */
-
- free(buffer);
- }
-}
-
-
-/**
- * Write renderbuffer image to a ppm file.
- */
-void
-_mesa_write_renderbuffer_image(const struct gl_renderbuffer *rb)
-{
- GET_CURRENT_CONTEXT(ctx);
- GLubyte *buffer;
- char s[100];
- GLenum format, type;
-
- if (rb->_BaseFormat == GL_RGB ||
- rb->_BaseFormat == GL_RGBA) {
- format = GL_RGBA;
- type = GL_UNSIGNED_BYTE;
- }
- else if (rb->_BaseFormat == GL_DEPTH_STENCIL) {
- format = GL_DEPTH_STENCIL;
- type = GL_UNSIGNED_INT_24_8;
- }
- else {
- _mesa_debug(NULL,
- "Unsupported BaseFormat 0x%x in "
- "_mesa_write_renderbuffer_image()\n",
- rb->_BaseFormat);
- return;
- }
-
- buffer = (GLubyte *) malloc(rb->Width * rb->Height * 4);
-
- ctx->Driver.ReadPixels(ctx, 0, 0, rb->Width, rb->Height,
- format, type, &ctx->DefaultPacking, buffer);
-
- /* make filename */
- _mesa_snprintf(s, sizeof(s), "/tmp/renderbuffer%u.ppm", rb->Name);
- _mesa_snprintf(s, sizeof(s), "C:\\renderbuffer%u.ppm", rb->Name);
-
- printf(" Writing renderbuffer image to %s\n", s);
-
- _mesa_debug(NULL, " Writing renderbuffer image to %s\n", s);
-
- write_ppm(s, buffer, rb->Width, rb->Height, 4, 0, 1, 2, GL_TRUE);
-
- free(buffer);
-}
-
-
-/** How many texture images (mipmap levels, faces) to write to files */
-#define WRITE_NONE 0
-#define WRITE_ONE 1
-#define WRITE_ALL 2
-
-static GLuint WriteImages;
-
-
-static void
-dump_texture(struct gl_texture_object *texObj, GLuint writeImages)
-{
- const GLuint numFaces = texObj->Target == GL_TEXTURE_CUBE_MAP ? 6 : 1;
- GLboolean written = GL_FALSE;
- GLuint i, j;
-
- printf("Texture %u\n", texObj->Name);
- printf(" Target %s\n", tex_target_name(texObj->Target));
- for (i = 0; i < MAX_TEXTURE_LEVELS; i++) {
- for (j = 0; j < numFaces; j++) {
- struct gl_texture_image *texImg = texObj->Image[j][i];
- if (texImg) {
- printf(" Face %u level %u: %d x %d x %d, format %s at %p\n",
- j, i,
- texImg->Width, texImg->Height, texImg->Depth,
- _mesa_get_format_name(texImg->TexFormat),
- texImg->Data);
- if (writeImages == WRITE_ALL ||
- (writeImages == WRITE_ONE && !written)) {
- write_texture_image(texObj, j, i);
- written = GL_TRUE;
- }
- }
- }
- }
-}
-
-
-/**
- * Dump a single texture.
- */
-void
-_mesa_dump_texture(GLuint texture, GLuint writeImages)
-{
- GET_CURRENT_CONTEXT(ctx);
- struct gl_texture_object *texObj = _mesa_lookup_texture(ctx, texture);
- if (texObj) {
- dump_texture(texObj, writeImages);
- }
-}
-
-
-static void
-dump_texture_cb(GLuint id, void *data, void *userData)
-{
- struct gl_texture_object *texObj = (struct gl_texture_object *) data;
- (void) userData;
- dump_texture(texObj, WriteImages);
-}
-
-
-/**
- * Print basic info about all texture objext to stdout.
- * If dumpImages is true, write PPM of level[0] image to a file.
- */
-void
-_mesa_dump_textures(GLuint writeImages)
-{
- GET_CURRENT_CONTEXT(ctx);
- WriteImages = writeImages;
- _mesa_HashWalk(ctx->Shared->TexObjects, dump_texture_cb, ctx);
-}
-
-
-static void
-dump_renderbuffer(const struct gl_renderbuffer *rb, GLboolean writeImage)
-{
- printf("Renderbuffer %u: %u x %u IntFormat = %s\n",
- rb->Name, rb->Width, rb->Height,
- _mesa_lookup_enum_by_nr(rb->InternalFormat));
- if (writeImage) {
- _mesa_write_renderbuffer_image(rb);
- }
-}
-
-
-static void
-dump_renderbuffer_cb(GLuint id, void *data, void *userData)
-{
- const struct gl_renderbuffer *rb = (const struct gl_renderbuffer *) data;
- (void) userData;
- dump_renderbuffer(rb, WriteImages);
-}
-
-
-/**
- * Print basic info about all renderbuffers to stdout.
- * If dumpImages is true, write PPM of level[0] image to a file.
- */
-void
-_mesa_dump_renderbuffers(GLboolean writeImages)
-{
- GET_CURRENT_CONTEXT(ctx);
- WriteImages = writeImages;
- _mesa_HashWalk(ctx->Shared->RenderBuffers, dump_renderbuffer_cb, ctx);
-}
-
-
-
-void
-_mesa_dump_color_buffer(const char *filename)
-{
- GET_CURRENT_CONTEXT(ctx);
- const GLuint w = ctx->DrawBuffer->Width;
- const GLuint h = ctx->DrawBuffer->Height;
- GLubyte *buf;
-
- buf = (GLubyte *) malloc(w * h * 4);
-
- _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT);
- _mesa_PixelStorei(GL_PACK_ALIGNMENT, 1);
- _mesa_PixelStorei(GL_PACK_INVERT_MESA, GL_TRUE);
-
- _mesa_ReadPixels(0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, buf);
-
- printf("ReadBuffer %p 0x%x DrawBuffer %p 0x%x\n",
- (void *) ctx->ReadBuffer->_ColorReadBuffer,
- ctx->ReadBuffer->ColorReadBuffer,
- (void *) ctx->DrawBuffer->_ColorDrawBuffers[0],
- ctx->DrawBuffer->ColorDrawBuffer[0]);
- printf("Writing %d x %d color buffer to %s\n", w, h, filename);
- write_ppm(filename, buf, w, h, 4, 0, 1, 2, GL_TRUE);
-
- _mesa_PopClientAttrib();
-
- free(buf);
-}
-
-
-void
-_mesa_dump_depth_buffer(const char *filename)
-{
- GET_CURRENT_CONTEXT(ctx);
- const GLuint w = ctx->DrawBuffer->Width;
- const GLuint h = ctx->DrawBuffer->Height;
- GLuint *buf;
- GLubyte *buf2;
- GLuint i;
-
- buf = (GLuint *) malloc(w * h * 4); /* 4 bpp */
- buf2 = (GLubyte *) malloc(w * h * 3); /* 3 bpp */
-
- _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT);
- _mesa_PixelStorei(GL_PACK_ALIGNMENT, 1);
- _mesa_PixelStorei(GL_PACK_INVERT_MESA, GL_TRUE);
-
- _mesa_ReadPixels(0, 0, w, h, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, buf);
-
- /* spread 24 bits of Z across R, G, B */
- for (i = 0; i < w * h; i++) {
- buf2[i*3+0] = (buf[i] >> 24) & 0xff;
- buf2[i*3+1] = (buf[i] >> 16) & 0xff;
- buf2[i*3+2] = (buf[i] >> 8) & 0xff;
- }
-
- printf("Writing %d x %d depth buffer to %s\n", w, h, filename);
- write_ppm(filename, buf2, w, h, 3, 0, 1, 2, GL_TRUE);
-
- _mesa_PopClientAttrib();
-
- free(buf);
- free(buf2);
-}
-
-
-void
-_mesa_dump_stencil_buffer(const char *filename)
-{
- GET_CURRENT_CONTEXT(ctx);
- const GLuint w = ctx->DrawBuffer->Width;
- const GLuint h = ctx->DrawBuffer->Height;
- GLubyte *buf;
- GLubyte *buf2;
- GLuint i;
-
- buf = (GLubyte *) malloc(w * h); /* 1 bpp */
- buf2 = (GLubyte *) malloc(w * h * 3); /* 3 bpp */
-
- _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT);
- _mesa_PixelStorei(GL_PACK_ALIGNMENT, 1);
- _mesa_PixelStorei(GL_PACK_INVERT_MESA, GL_TRUE);
-
- _mesa_ReadPixels(0, 0, w, h, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, buf);
-
- for (i = 0; i < w * h; i++) {
- buf2[i*3+0] = buf[i];
- buf2[i*3+1] = (buf[i] & 127) * 2;
- buf2[i*3+2] = (buf[i] - 128) * 2;
- }
-
- printf("Writing %d x %d stencil buffer to %s\n", w, h, filename);
- write_ppm(filename, buf2, w, h, 3, 0, 1, 2, GL_TRUE);
-
- _mesa_PopClientAttrib();
-
- free(buf);
- free(buf2);
-}
-
-
-void
-_mesa_dump_image(const char *filename, const void *image, GLuint w, GLuint h,
- GLenum format, GLenum type)
-{
- GLboolean invert = GL_TRUE;
-
- if (format == GL_RGBA && type == GL_UNSIGNED_BYTE) {
- write_ppm(filename, image, w, h, 4, 0, 1, 2, invert);
- }
- else if (format == GL_BGRA && type == GL_UNSIGNED_BYTE) {
- write_ppm(filename, image, w, h, 4, 2, 1, 0, invert);
- }
- else if (format == GL_LUMINANCE_ALPHA && type == GL_UNSIGNED_BYTE) {
- write_ppm(filename, image, w, h, 2, 1, 0, 0, invert);
- }
- else {
- _mesa_problem(NULL, "Unsupported format/type in _mesa_dump_image()");
- }
-}
-
-
-/**
- * Quick and dirty function to "print" a texture to stdout.
- */
-void
-_mesa_print_texture(struct gl_context *ctx, const struct gl_texture_image *img)
-{
-#if CHAN_TYPE != GL_UNSIGNED_BYTE
- _mesa_problem(NULL, "PrintTexture not supported");
-#else
- GLuint i, j, c;
- const GLubyte *data = (const GLubyte *) img->Data;
-
- if (!data) {
- printf("No texture data\n");
- return;
- }
-
- /* XXX add more formats or make into a new format utility function */
- switch (img->TexFormat) {
- case MESA_FORMAT_A8:
- case MESA_FORMAT_L8:
- case MESA_FORMAT_I8:
- case MESA_FORMAT_CI8:
- c = 1;
- break;
- case MESA_FORMAT_AL88:
- case MESA_FORMAT_AL88_REV:
- c = 2;
- break;
- case MESA_FORMAT_RGB888:
- case MESA_FORMAT_BGR888:
- c = 3;
- break;
- case MESA_FORMAT_RGBA8888:
- case MESA_FORMAT_ARGB8888:
- c = 4;
- break;
- default:
- _mesa_problem(NULL, "error in PrintTexture\n");
- return;
- }
-
- for (i = 0; i < img->Height; i++) {
- for (j = 0; j < img->Width; j++) {
- if (c==1)
- printf("%02x ", data[0]);
- else if (c==2)
- printf("%02x%02x ", data[0], data[1]);
- else if (c==3)
- printf("%02x%02x%02x ", data[0], data[1], data[2]);
- else if (c==4)
- printf("%02x%02x%02x%02x ", data[0], data[1], data[2], data[3]);
- data += (img->RowStride - img->Width) * c;
- }
- /* XXX use img->ImageStride here */
- printf("\n");
- }
-#endif
-}
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5
+ *
+ * Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
+ * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "mtypes.h"
+#include "attrib.h"
+#include "colormac.h"
+#include "enums.h"
+#include "formats.h"
+#include "hash.h"
+#include "imports.h"
+#include "debug.h"
+#include "get.h"
+#include "pixelstore.h"
+#include "readpix.h"
+#include "texobj.h"
+
+
+static const char *
+tex_target_name(GLenum tgt)
+{
+ static const struct {
+ GLenum target;
+ const char *name;
+ } tex_targets[] = {
+ { GL_TEXTURE_1D, "GL_TEXTURE_1D" },
+ { GL_TEXTURE_2D, "GL_TEXTURE_2D" },
+ { GL_TEXTURE_3D, "GL_TEXTURE_3D" },
+ { GL_TEXTURE_CUBE_MAP, "GL_TEXTURE_CUBE_MAP" },
+ { GL_TEXTURE_RECTANGLE, "GL_TEXTURE_RECTANGLE" },
+ { GL_TEXTURE_1D_ARRAY_EXT, "GL_TEXTURE_1D_ARRAY" },
+ { GL_TEXTURE_2D_ARRAY_EXT, "GL_TEXTURE_2D_ARRAY" }
+ };
+ GLuint i;
+ for (i = 0; i < Elements(tex_targets); i++) {
+ if (tex_targets[i].target == tgt)
+ return tex_targets[i].name;
+ }
+ return "UNKNOWN TEX TARGET";
+}
+
+
+void
+_mesa_print_state( const char *msg, GLuint state )
+{
+ _mesa_debug(NULL,
+ "%s: (0x%x) %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
+ msg,
+ state,
+ (state & _NEW_MODELVIEW) ? "ctx->ModelView, " : "",
+ (state & _NEW_PROJECTION) ? "ctx->Projection, " : "",
+ (state & _NEW_TEXTURE_MATRIX) ? "ctx->TextureMatrix, " : "",
+ (state & _NEW_COLOR) ? "ctx->Color, " : "",
+ (state & _NEW_DEPTH) ? "ctx->Depth, " : "",
+ (state & _NEW_EVAL) ? "ctx->Eval/EvalMap, " : "",
+ (state & _NEW_FOG) ? "ctx->Fog, " : "",
+ (state & _NEW_HINT) ? "ctx->Hint, " : "",
+ (state & _NEW_LIGHT) ? "ctx->Light, " : "",
+ (state & _NEW_LINE) ? "ctx->Line, " : "",
+ (state & _NEW_PIXEL) ? "ctx->Pixel, " : "",
+ (state & _NEW_POINT) ? "ctx->Point, " : "",
+ (state & _NEW_POLYGON) ? "ctx->Polygon, " : "",
+ (state & _NEW_POLYGONSTIPPLE) ? "ctx->PolygonStipple, " : "",
+ (state & _NEW_SCISSOR) ? "ctx->Scissor, " : "",
+ (state & _NEW_STENCIL) ? "ctx->Stencil, " : "",
+ (state & _NEW_TEXTURE) ? "ctx->Texture, " : "",
+ (state & _NEW_TRANSFORM) ? "ctx->Transform, " : "",
+ (state & _NEW_VIEWPORT) ? "ctx->Viewport, " : "",
+ (state & _NEW_PACKUNPACK) ? "ctx->Pack/Unpack, " : "",
+ (state & _NEW_ARRAY) ? "ctx->Array, " : "",
+ (state & _NEW_RENDERMODE) ? "ctx->RenderMode, " : "",
+ (state & _NEW_BUFFERS) ? "ctx->Visual, ctx->DrawBuffer,, " : "");
+}
+
+
+
+void
+_mesa_print_tri_caps( const char *name, GLuint flags )
+{
+ _mesa_debug(NULL,
+ "%s: (0x%x) %s%s%s%s%s%s%s%s%s%s%s%s%s\n",
+ name,
+ flags,
+ (flags & DD_FLATSHADE) ? "flat-shade, " : "",
+ (flags & DD_SEPARATE_SPECULAR) ? "separate-specular, " : "",
+ (flags & DD_TRI_LIGHT_TWOSIDE) ? "tri-light-twoside, " : "",
+ (flags & DD_TRI_TWOSTENCIL) ? "tri-twostencil, " : "",
+ (flags & DD_TRI_UNFILLED) ? "tri-unfilled, " : "",
+ (flags & DD_TRI_STIPPLE) ? "tri-stipple, " : "",
+ (flags & DD_TRI_OFFSET) ? "tri-offset, " : "",
+ (flags & DD_TRI_SMOOTH) ? "tri-smooth, " : "",
+ (flags & DD_LINE_SMOOTH) ? "line-smooth, " : "",
+ (flags & DD_LINE_STIPPLE) ? "line-stipple, " : "",
+ (flags & DD_POINT_SMOOTH) ? "point-smooth, " : "",
+ (flags & DD_POINT_ATTEN) ? "point-atten, " : "",
+ (flags & DD_TRI_CULL_FRONT_BACK) ? "cull-all, " : ""
+ );
+}
+
+
+/**
+ * Print information about this Mesa version and build options.
+ */
+void _mesa_print_info( void )
+{
+ _mesa_debug(NULL, "Mesa GL_VERSION = %s\n",
+ (char *) _mesa_GetString(GL_VERSION));
+ _mesa_debug(NULL, "Mesa GL_RENDERER = %s\n",
+ (char *) _mesa_GetString(GL_RENDERER));
+ _mesa_debug(NULL, "Mesa GL_VENDOR = %s\n",
+ (char *) _mesa_GetString(GL_VENDOR));
+ _mesa_debug(NULL, "Mesa GL_EXTENSIONS = %s\n",
+ (char *) _mesa_GetString(GL_EXTENSIONS));
+#if defined(THREADS)
+ _mesa_debug(NULL, "Mesa thread-safe: YES\n");
+#else
+ _mesa_debug(NULL, "Mesa thread-safe: NO\n");
+#endif
+#if defined(USE_X86_ASM)
+ _mesa_debug(NULL, "Mesa x86-optimized: YES\n");
+#else
+ _mesa_debug(NULL, "Mesa x86-optimized: NO\n");
+#endif
+#if defined(USE_SPARC_ASM)
+ _mesa_debug(NULL, "Mesa sparc-optimized: YES\n");
+#else
+ _mesa_debug(NULL, "Mesa sparc-optimized: NO\n");
+#endif
+}
+
+
+/**
+ * Set the debugging flags.
+ *
+ * \param debug debug string
+ *
+ * If compiled with debugging support then search for keywords in \p debug and
+ * enables the verbose debug output of the respective feature.
+ */
+static void add_debug_flags( const char *debug )
+{
+#ifdef DEBUG
+ struct debug_option {
+ const char *name;
+ GLbitfield flag;
+ };
+ static const struct debug_option debug_opt[] = {
+ { "varray", VERBOSE_VARRAY },
+ { "tex", VERBOSE_TEXTURE },
+ { "mat", VERBOSE_MATERIAL },
+ { "pipe", VERBOSE_PIPELINE },
+ { "driver", VERBOSE_DRIVER },
+ { "state", VERBOSE_STATE },
+ { "api", VERBOSE_API },
+ { "list", VERBOSE_DISPLAY_LIST },
+ { "lighting", VERBOSE_LIGHTING },
+ { "disassem", VERBOSE_DISASSEM },
+ { "draw", VERBOSE_DRAW },
+ { "swap", VERBOSE_SWAPBUFFERS }
+ };
+ GLuint i;
+
+ MESA_VERBOSE = 0x0;
+ for (i = 0; i < Elements(debug_opt); i++) {
+ if (strstr(debug, debug_opt[i].name))
+ MESA_VERBOSE |= debug_opt[i].flag;
+ }
+
+ /* Debug flag:
+ */
+ if (strstr(debug, "flush"))
+ MESA_DEBUG_FLAGS |= DEBUG_ALWAYS_FLUSH;
+
+#if defined(_FPU_GETCW) && defined(_FPU_SETCW)
+ if (strstr(debug, "fpexceptions")) {
+ /* raise FP exceptions */
+ fpu_control_t mask;
+ _FPU_GETCW(mask);
+ mask &= ~(_FPU_MASK_IM | _FPU_MASK_DM | _FPU_MASK_ZM
+ | _FPU_MASK_OM | _FPU_MASK_UM);
+ _FPU_SETCW(mask);
+ }
+#endif
+
+#else
+ (void) debug;
+#endif
+}
+
+
+void
+_mesa_init_debug( struct gl_context *ctx )
+{
+ char *c;
+ c = _mesa_getenv("MESA_DEBUG");
+ if (c)
+ add_debug_flags(c);
+
+ c = _mesa_getenv("MESA_VERBOSE");
+ if (c)
+ add_debug_flags(c);
+}
+
+
+/*
+ * Write ppm file
+ */
+static void
+write_ppm(const char *filename, const GLubyte *buffer, int width, int height,
+ int comps, int rcomp, int gcomp, int bcomp, GLboolean invert)
+{
+ FILE *f = fopen( filename, "w" );
+ if (f) {
+ int x, y;
+ const GLubyte *ptr = buffer;
+ fprintf(f,"P6\n");
+ fprintf(f,"# ppm-file created by osdemo.c\n");
+ fprintf(f,"%i %i\n", width,height);
+ fprintf(f,"255\n");
+ fclose(f);
+ f = fopen( filename, "ab" ); /* reopen in binary append mode */
+ for (y=0; y < height; y++) {
+ for (x = 0; x < width; x++) {
+ int yy = invert ? (height - 1 - y) : y;
+ int i = (yy * width + x) * comps;
+ fputc(ptr[i+rcomp], f); /* write red */
+ fputc(ptr[i+gcomp], f); /* write green */
+ fputc(ptr[i+bcomp], f); /* write blue */
+ }
+ }
+ fclose(f);
+ }
+ else {
+ fprintf(stderr, "Unable to create %s in write_ppm()\n", filename);
+ }
+}
+
+
+/**
+ * Write a texture image to a ppm file.
+ * \param face cube face in [0,5]
+ * \param level mipmap level
+ */
+static void
+write_texture_image(struct gl_texture_object *texObj,
+ GLuint face, GLuint level)
+{
+ struct gl_texture_image *img = texObj->Image[face][level];
+ if (img) {
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_pixelstore_attrib store;
+ GLubyte *buffer;
+ char s[100];
+
+ buffer = (GLubyte *) malloc(img->Width * img->Height
+ * img->Depth * 4);
+
+ store = ctx->Pack; /* save */
+ ctx->Pack = ctx->DefaultPacking;
+
+ ctx->Driver.GetTexImage(ctx, texObj->Target, level,
+ GL_RGBA, GL_UNSIGNED_BYTE,
+ buffer, texObj, img);
+
+ /* make filename */
+ _mesa_snprintf(s, sizeof(s), "/tmp/tex%u.l%u.f%u.ppm", texObj->Name, level, face);
+
+ printf(" Writing image level %u to %s\n", level, s);
+ write_ppm(s, buffer, img->Width, img->Height, 4, 0, 1, 2, GL_FALSE);
+
+ ctx->Pack = store; /* restore */
+
+ free(buffer);
+ }
+}
+
+
+/**
+ * Write renderbuffer image to a ppm file.
+ */
+void
+_mesa_write_renderbuffer_image(const struct gl_renderbuffer *rb)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ GLubyte *buffer;
+ char s[100];
+ GLenum format, type;
+
+ if (rb->_BaseFormat == GL_RGB ||
+ rb->_BaseFormat == GL_RGBA) {
+ format = GL_RGBA;
+ type = GL_UNSIGNED_BYTE;
+ }
+ else if (rb->_BaseFormat == GL_DEPTH_STENCIL) {
+ format = GL_DEPTH_STENCIL;
+ type = GL_UNSIGNED_INT_24_8;
+ }
+ else {
+ _mesa_debug(NULL,
+ "Unsupported BaseFormat 0x%x in "
+ "_mesa_write_renderbuffer_image()\n",
+ rb->_BaseFormat);
+ return;
+ }
+
+ buffer = (GLubyte *) malloc(rb->Width * rb->Height * 4);
+
+ ctx->Driver.ReadPixels(ctx, 0, 0, rb->Width, rb->Height,
+ format, type, &ctx->DefaultPacking, buffer);
+
+ /* make filename */
+ _mesa_snprintf(s, sizeof(s), "/tmp/renderbuffer%u.ppm", rb->Name);
+ _mesa_snprintf(s, sizeof(s), "C:\\renderbuffer%u.ppm", rb->Name);
+
+ printf(" Writing renderbuffer image to %s\n", s);
+
+ _mesa_debug(NULL, " Writing renderbuffer image to %s\n", s);
+
+ write_ppm(s, buffer, rb->Width, rb->Height, 4, 0, 1, 2, GL_TRUE);
+
+ free(buffer);
+}
+
+
+/** How many texture images (mipmap levels, faces) to write to files */
+#define WRITE_NONE 0
+#define WRITE_ONE 1
+#define WRITE_ALL 2
+
+static GLuint WriteImages;
+
+
+static void
+dump_texture(struct gl_texture_object *texObj, GLuint writeImages)
+{
+ const GLuint numFaces = texObj->Target == GL_TEXTURE_CUBE_MAP ? 6 : 1;
+ GLboolean written = GL_FALSE;
+ GLuint i, j;
+
+ printf("Texture %u\n", texObj->Name);
+ printf(" Target %s\n", tex_target_name(texObj->Target));
+ for (i = 0; i < MAX_TEXTURE_LEVELS; i++) {
+ for (j = 0; j < numFaces; j++) {
+ struct gl_texture_image *texImg = texObj->Image[j][i];
+ if (texImg) {
+ printf(" Face %u level %u: %d x %d x %d, format %s at %p\n",
+ j, i,
+ texImg->Width, texImg->Height, texImg->Depth,
+ _mesa_get_format_name(texImg->TexFormat),
+ texImg->Data);
+ if (writeImages == WRITE_ALL ||
+ (writeImages == WRITE_ONE && !written)) {
+ write_texture_image(texObj, j, i);
+ written = GL_TRUE;
+ }
+ }
+ }
+ }
+}
+
+
+/**
+ * Dump a single texture.
+ */
+void
+_mesa_dump_texture(GLuint texture, GLuint writeImages)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_texture_object *texObj = _mesa_lookup_texture(ctx, texture);
+ if (texObj) {
+ dump_texture(texObj, writeImages);
+ }
+}
+
+
+static void
+dump_texture_cb(GLuint id, void *data, void *userData)
+{
+ struct gl_texture_object *texObj = (struct gl_texture_object *) data;
+ (void) userData;
+ dump_texture(texObj, WriteImages);
+}
+
+
+/**
+ * Print basic info about all texture objext to stdout.
+ * If dumpImages is true, write PPM of level[0] image to a file.
+ */
+void
+_mesa_dump_textures(GLuint writeImages)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ WriteImages = writeImages;
+ _mesa_HashWalk(ctx->Shared->TexObjects, dump_texture_cb, ctx);
+}
+
+
+static void
+dump_renderbuffer(const struct gl_renderbuffer *rb, GLboolean writeImage)
+{
+ printf("Renderbuffer %u: %u x %u IntFormat = %s\n",
+ rb->Name, rb->Width, rb->Height,
+ _mesa_lookup_enum_by_nr(rb->InternalFormat));
+ if (writeImage) {
+ _mesa_write_renderbuffer_image(rb);
+ }
+}
+
+
+static void
+dump_renderbuffer_cb(GLuint id, void *data, void *userData)
+{
+ const struct gl_renderbuffer *rb = (const struct gl_renderbuffer *) data;
+ (void) userData;
+ dump_renderbuffer(rb, WriteImages);
+}
+
+
+/**
+ * Print basic info about all renderbuffers to stdout.
+ * If dumpImages is true, write PPM of level[0] image to a file.
+ */
+void
+_mesa_dump_renderbuffers(GLboolean writeImages)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ WriteImages = writeImages;
+ _mesa_HashWalk(ctx->Shared->RenderBuffers, dump_renderbuffer_cb, ctx);
+}
+
+
+
+void
+_mesa_dump_color_buffer(const char *filename)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ const GLuint w = ctx->DrawBuffer->Width;
+ const GLuint h = ctx->DrawBuffer->Height;
+ GLubyte *buf;
+
+ buf = (GLubyte *) malloc(w * h * 4);
+
+ _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT);
+ _mesa_PixelStorei(GL_PACK_ALIGNMENT, 1);
+ _mesa_PixelStorei(GL_PACK_INVERT_MESA, GL_TRUE);
+
+ _mesa_ReadPixels(0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, buf);
+
+ printf("ReadBuffer %p 0x%x DrawBuffer %p 0x%x\n",
+ (void *) ctx->ReadBuffer->_ColorReadBuffer,
+ ctx->ReadBuffer->ColorReadBuffer,
+ (void *) ctx->DrawBuffer->_ColorDrawBuffers[0],
+ ctx->DrawBuffer->ColorDrawBuffer[0]);
+ printf("Writing %d x %d color buffer to %s\n", w, h, filename);
+ write_ppm(filename, buf, w, h, 4, 0, 1, 2, GL_TRUE);
+
+ _mesa_PopClientAttrib();
+
+ free(buf);
+}
+
+
+void
+_mesa_dump_depth_buffer(const char *filename)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ const GLuint w = ctx->DrawBuffer->Width;
+ const GLuint h = ctx->DrawBuffer->Height;
+ GLuint *buf;
+ GLubyte *buf2;
+ GLuint i;
+
+ buf = (GLuint *) malloc(w * h * 4); /* 4 bpp */
+ buf2 = (GLubyte *) malloc(w * h * 3); /* 3 bpp */
+
+ _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT);
+ _mesa_PixelStorei(GL_PACK_ALIGNMENT, 1);
+ _mesa_PixelStorei(GL_PACK_INVERT_MESA, GL_TRUE);
+
+ _mesa_ReadPixels(0, 0, w, h, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, buf);
+
+ /* spread 24 bits of Z across R, G, B */
+ for (i = 0; i < w * h; i++) {
+ buf2[i*3+0] = (buf[i] >> 24) & 0xff;
+ buf2[i*3+1] = (buf[i] >> 16) & 0xff;
+ buf2[i*3+2] = (buf[i] >> 8) & 0xff;
+ }
+
+ printf("Writing %d x %d depth buffer to %s\n", w, h, filename);
+ write_ppm(filename, buf2, w, h, 3, 0, 1, 2, GL_TRUE);
+
+ _mesa_PopClientAttrib();
+
+ free(buf);
+ free(buf2);
+}
+
+
+void
+_mesa_dump_stencil_buffer(const char *filename)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ const GLuint w = ctx->DrawBuffer->Width;
+ const GLuint h = ctx->DrawBuffer->Height;
+ GLubyte *buf;
+ GLubyte *buf2;
+ GLuint i;
+
+ buf = (GLubyte *) malloc(w * h); /* 1 bpp */
+ buf2 = (GLubyte *) malloc(w * h * 3); /* 3 bpp */
+
+ _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT);
+ _mesa_PixelStorei(GL_PACK_ALIGNMENT, 1);
+ _mesa_PixelStorei(GL_PACK_INVERT_MESA, GL_TRUE);
+
+ _mesa_ReadPixels(0, 0, w, h, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, buf);
+
+ for (i = 0; i < w * h; i++) {
+ buf2[i*3+0] = buf[i];
+ buf2[i*3+1] = (buf[i] & 127) * 2;
+ buf2[i*3+2] = (buf[i] - 128) * 2;
+ }
+
+ printf("Writing %d x %d stencil buffer to %s\n", w, h, filename);
+ write_ppm(filename, buf2, w, h, 3, 0, 1, 2, GL_TRUE);
+
+ _mesa_PopClientAttrib();
+
+ free(buf);
+ free(buf2);
+}
+
+
+void
+_mesa_dump_image(const char *filename, const void *image, GLuint w, GLuint h,
+ GLenum format, GLenum type)
+{
+ GLboolean invert = GL_TRUE;
+
+ if (format == GL_RGBA && type == GL_UNSIGNED_BYTE) {
+ write_ppm(filename, image, w, h, 4, 0, 1, 2, invert);
+ }
+ else if (format == GL_BGRA && type == GL_UNSIGNED_BYTE) {
+ write_ppm(filename, image, w, h, 4, 2, 1, 0, invert);
+ }
+ else if (format == GL_LUMINANCE_ALPHA && type == GL_UNSIGNED_BYTE) {
+ write_ppm(filename, image, w, h, 2, 1, 0, 0, invert);
+ }
+ else {
+ _mesa_problem(NULL, "Unsupported format/type in _mesa_dump_image()");
+ }
+}
+
+
+/**
+ * Quick and dirty function to "print" a texture to stdout.
+ */
+void
+_mesa_print_texture(struct gl_context *ctx, const struct gl_texture_image *img)
+{
+#if CHAN_TYPE != GL_UNSIGNED_BYTE
+ _mesa_problem(NULL, "PrintTexture not supported");
+#else
+ GLuint i, j, c;
+ const GLubyte *data = (const GLubyte *) img->Data;
+
+ if (!data) {
+ printf("No texture data\n");
+ return;
+ }
+
+ /* XXX add more formats or make into a new format utility function */
+ switch (img->TexFormat) {
+ case MESA_FORMAT_A8:
+ case MESA_FORMAT_L8:
+ case MESA_FORMAT_I8:
+ case MESA_FORMAT_CI8:
+ c = 1;
+ break;
+ case MESA_FORMAT_AL88:
+ case MESA_FORMAT_AL88_REV:
+ c = 2;
+ break;
+ case MESA_FORMAT_RGB888:
+ case MESA_FORMAT_BGR888:
+ c = 3;
+ break;
+ case MESA_FORMAT_RGBA8888:
+ case MESA_FORMAT_ARGB8888:
+ c = 4;
+ break;
+ default:
+ _mesa_problem(NULL, "error in PrintTexture\n");
+ return;
+ }
+
+ for (i = 0; i < img->Height; i++) {
+ for (j = 0; j < img->Width; j++) {
+ if (c==1)
+ printf("%02x ", data[0]);
+ else if (c==2)
+ printf("%02x%02x ", data[0], data[1]);
+ else if (c==3)
+ printf("%02x%02x%02x ", data[0], data[1], data[2]);
+ else if (c==4)
+ printf("%02x%02x%02x%02x ", data[0], data[1], data[2], data[3]);
+ data += (img->RowStride - img->Width) * c;
+ }
+ /* XXX use img->ImageStride here */
+ printf("\n");
+ }
+#endif
+}
diff --git a/mesalib/src/mesa/main/debug.h b/mesalib/src/mesa/main/debug.h
index d7c53b655..eda377abb 100644
--- a/mesalib/src/mesa/main/debug.h
+++ b/mesalib/src/mesa/main/debug.h
@@ -1,94 +1,94 @@
-/*
- * Mesa 3-D graphics library
- * Version: 6.1
- *
- * Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/**
- * \file debug.h
- * Debugging functions.
- *
- * \if subset
- * (No-op)
- *
- * \endif
- */
-
-
-#ifndef _DEBUG_H
-#define _DEBUG_H
-
-#include "glheader.h"
-#include "mfeatures.h"
-
-struct gl_context;
-struct gl_texture_image;
-
-#if _HAVE_FULL_GL
-
-extern void _mesa_print_tri_caps( const char *name, GLuint flags );
-extern void _mesa_print_enable_flags( const char *msg, GLuint flags );
-extern void _mesa_print_state( const char *msg, GLuint state );
-extern void _mesa_print_info( void );
-extern void _mesa_init_debug( struct gl_context *ctx );
-
-#else
-
-/** No-op */
-#define _mesa_print_state( m, s ) ((void)0)
-
-/** No-op */
-#define _mesa_print_info() ((void)0)
-
-/** No-op */
-#define _mesa_init_debug( c ) ((void)0)
-
-#endif
-
-extern void
-_mesa_write_renderbuffer_image(const struct gl_renderbuffer *rb);
-
-extern void
-_mesa_dump_texture(GLuint texture, GLuint writeImages);
-
-extern void
-_mesa_dump_textures(GLuint writeImages);
-
-extern void
-_mesa_dump_renderbuffers(GLboolean writeImages);
-
-extern void
-_mesa_dump_color_buffer(const char *filename);
-
-extern void
-_mesa_dump_depth_buffer(const char *filename);
-
-extern void
-_mesa_dump_stencil_buffer(const char *filename);
-
-extern void
-_mesa_dump_image(const char *filename, const void *image, GLuint w, GLuint h,
- GLenum format, GLenum type);
-
-extern void
-_mesa_print_texture(struct gl_context *ctx, const struct gl_texture_image *img);
-
-#endif
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.1
+ *
+ * Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file debug.h
+ * Debugging functions.
+ *
+ * \if subset
+ * (No-op)
+ *
+ * \endif
+ */
+
+
+#ifndef _DEBUG_H
+#define _DEBUG_H
+
+#include "glheader.h"
+#include "mfeatures.h"
+
+struct gl_context;
+struct gl_texture_image;
+
+#if _HAVE_FULL_GL
+
+extern void _mesa_print_tri_caps( const char *name, GLuint flags );
+extern void _mesa_print_enable_flags( const char *msg, GLuint flags );
+extern void _mesa_print_state( const char *msg, GLuint state );
+extern void _mesa_print_info( void );
+extern void _mesa_init_debug( struct gl_context *ctx );
+
+#else
+
+/** No-op */
+#define _mesa_print_state( m, s ) ((void)0)
+
+/** No-op */
+#define _mesa_print_info() ((void)0)
+
+/** No-op */
+#define _mesa_init_debug( c ) ((void)0)
+
+#endif
+
+extern void
+_mesa_write_renderbuffer_image(const struct gl_renderbuffer *rb);
+
+extern void
+_mesa_dump_texture(GLuint texture, GLuint writeImages);
+
+extern void
+_mesa_dump_textures(GLuint writeImages);
+
+extern void
+_mesa_dump_renderbuffers(GLboolean writeImages);
+
+extern void
+_mesa_dump_color_buffer(const char *filename);
+
+extern void
+_mesa_dump_depth_buffer(const char *filename);
+
+extern void
+_mesa_dump_stencil_buffer(const char *filename);
+
+extern void
+_mesa_dump_image(const char *filename, const void *image, GLuint w, GLuint h,
+ GLenum format, GLenum type);
+
+extern void
+_mesa_print_texture(struct gl_context *ctx, const struct gl_texture_image *img);
+
+#endif
diff --git a/mesalib/src/mesa/main/depth.c b/mesalib/src/mesa/main/depth.c
index 52c69a6bc..d666ed5fe 100644
--- a/mesalib/src/mesa/main/depth.c
+++ b/mesalib/src/mesa/main/depth.c
@@ -1,174 +1,174 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.1
- *
- * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-#include "glheader.h"
-#include "imports.h"
-#include "context.h"
-#include "depth.h"
-#include "enums.h"
-#include "macros.h"
-#include "mtypes.h"
-
-
-/**********************************************************************/
-/***** API Functions *****/
-/**********************************************************************/
-
-
-
-void GLAPIENTRY
-_mesa_ClearDepth( GLclampd depth )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glClearDepth(%f)\n", depth);
-
- depth = CLAMP( depth, 0.0, 1.0 );
-
- if (ctx->Depth.Clear == depth)
- return;
-
- FLUSH_VERTICES(ctx, _NEW_DEPTH);
- ctx->Depth.Clear = depth;
- if (ctx->Driver.ClearDepth)
- (*ctx->Driver.ClearDepth)( ctx, ctx->Depth.Clear );
-}
-
-
-void GLAPIENTRY
-_mesa_ClearDepthf( GLclampf depth )
-{
- _mesa_ClearDepth(depth);
-}
-
-
-void GLAPIENTRY
-_mesa_DepthFunc( GLenum func )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glDepthFunc %s\n", _mesa_lookup_enum_by_nr(func));
-
- switch (func) {
- case GL_LESS: /* (default) pass if incoming z < stored z */
- case GL_GEQUAL:
- case GL_LEQUAL:
- case GL_GREATER:
- case GL_NOTEQUAL:
- case GL_EQUAL:
- case GL_ALWAYS:
- case GL_NEVER:
- break;
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glDepth.Func" );
- return;
- }
-
- if (ctx->Depth.Func == func)
- return;
-
- FLUSH_VERTICES(ctx, _NEW_DEPTH);
- ctx->Depth.Func = func;
-
- if (ctx->Driver.DepthFunc)
- ctx->Driver.DepthFunc( ctx, func );
-}
-
-
-
-void GLAPIENTRY
-_mesa_DepthMask( GLboolean flag )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glDepthMask %d\n", flag);
-
- /*
- * GL_TRUE indicates depth buffer writing is enabled (default)
- * GL_FALSE indicates depth buffer writing is disabled
- */
- if (ctx->Depth.Mask == flag)
- return;
-
- FLUSH_VERTICES(ctx, _NEW_DEPTH);
- ctx->Depth.Mask = flag;
-
- if (ctx->Driver.DepthMask)
- ctx->Driver.DepthMask( ctx, flag );
-}
-
-
-
-/**
- * Specified by the GL_EXT_depth_bounds_test extension.
- */
-void GLAPIENTRY
-_mesa_DepthBoundsEXT( GLclampd zmin, GLclampd zmax )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glDepthBounds(%f, %f)\n", zmin, zmax);
-
- if (zmin > zmax) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glDepthBoundsEXT(zmin > zmax)");
- return;
- }
-
- zmin = CLAMP(zmin, 0.0, 1.0);
- zmax = CLAMP(zmax, 0.0, 1.0);
-
- if (ctx->Depth.BoundsMin == zmin && ctx->Depth.BoundsMax == zmax)
- return;
-
- FLUSH_VERTICES(ctx, _NEW_DEPTH);
- ctx->Depth.BoundsMin = (GLfloat) zmin;
- ctx->Depth.BoundsMax = (GLfloat) zmax;
-}
-
-
-/**********************************************************************/
-/***** Initialization *****/
-/**********************************************************************/
-
-
-/**
- * Initialize the depth buffer attribute group in the given context.
- */
-void
-_mesa_init_depth(struct gl_context *ctx)
-{
- ctx->Depth.Test = GL_FALSE;
- ctx->Depth.Clear = 1.0;
- ctx->Depth.Func = GL_LESS;
- ctx->Depth.Mask = GL_TRUE;
-}
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.1
+ *
+ * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#include "glheader.h"
+#include "imports.h"
+#include "context.h"
+#include "depth.h"
+#include "enums.h"
+#include "macros.h"
+#include "mtypes.h"
+
+
+/**********************************************************************/
+/***** API Functions *****/
+/**********************************************************************/
+
+
+
+void GLAPIENTRY
+_mesa_ClearDepth( GLclampd depth )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glClearDepth(%f)\n", depth);
+
+ depth = CLAMP( depth, 0.0, 1.0 );
+
+ if (ctx->Depth.Clear == depth)
+ return;
+
+ FLUSH_VERTICES(ctx, _NEW_DEPTH);
+ ctx->Depth.Clear = depth;
+ if (ctx->Driver.ClearDepth)
+ (*ctx->Driver.ClearDepth)( ctx, ctx->Depth.Clear );
+}
+
+
+void GLAPIENTRY
+_mesa_ClearDepthf( GLclampf depth )
+{
+ _mesa_ClearDepth(depth);
+}
+
+
+void GLAPIENTRY
+_mesa_DepthFunc( GLenum func )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glDepthFunc %s\n", _mesa_lookup_enum_by_nr(func));
+
+ switch (func) {
+ case GL_LESS: /* (default) pass if incoming z < stored z */
+ case GL_GEQUAL:
+ case GL_LEQUAL:
+ case GL_GREATER:
+ case GL_NOTEQUAL:
+ case GL_EQUAL:
+ case GL_ALWAYS:
+ case GL_NEVER:
+ break;
+ default:
+ _mesa_error( ctx, GL_INVALID_ENUM, "glDepth.Func" );
+ return;
+ }
+
+ if (ctx->Depth.Func == func)
+ return;
+
+ FLUSH_VERTICES(ctx, _NEW_DEPTH);
+ ctx->Depth.Func = func;
+
+ if (ctx->Driver.DepthFunc)
+ ctx->Driver.DepthFunc( ctx, func );
+}
+
+
+
+void GLAPIENTRY
+_mesa_DepthMask( GLboolean flag )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glDepthMask %d\n", flag);
+
+ /*
+ * GL_TRUE indicates depth buffer writing is enabled (default)
+ * GL_FALSE indicates depth buffer writing is disabled
+ */
+ if (ctx->Depth.Mask == flag)
+ return;
+
+ FLUSH_VERTICES(ctx, _NEW_DEPTH);
+ ctx->Depth.Mask = flag;
+
+ if (ctx->Driver.DepthMask)
+ ctx->Driver.DepthMask( ctx, flag );
+}
+
+
+
+/**
+ * Specified by the GL_EXT_depth_bounds_test extension.
+ */
+void GLAPIENTRY
+_mesa_DepthBoundsEXT( GLclampd zmin, GLclampd zmax )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glDepthBounds(%f, %f)\n", zmin, zmax);
+
+ if (zmin > zmax) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glDepthBoundsEXT(zmin > zmax)");
+ return;
+ }
+
+ zmin = CLAMP(zmin, 0.0, 1.0);
+ zmax = CLAMP(zmax, 0.0, 1.0);
+
+ if (ctx->Depth.BoundsMin == zmin && ctx->Depth.BoundsMax == zmax)
+ return;
+
+ FLUSH_VERTICES(ctx, _NEW_DEPTH);
+ ctx->Depth.BoundsMin = (GLfloat) zmin;
+ ctx->Depth.BoundsMax = (GLfloat) zmax;
+}
+
+
+/**********************************************************************/
+/***** Initialization *****/
+/**********************************************************************/
+
+
+/**
+ * Initialize the depth buffer attribute group in the given context.
+ */
+void
+_mesa_init_depth(struct gl_context *ctx)
+{
+ ctx->Depth.Test = GL_FALSE;
+ ctx->Depth.Clear = 1.0;
+ ctx->Depth.Func = GL_LESS;
+ ctx->Depth.Mask = GL_TRUE;
+}
diff --git a/mesalib/src/mesa/main/dlopen.c b/mesalib/src/mesa/main/dlopen.c
index 57a33292e..62d9023a9 100644
--- a/mesalib/src/mesa/main/dlopen.c
+++ b/mesalib/src/mesa/main/dlopen.c
@@ -51,7 +51,7 @@ _mesa_dlopen(const char *libname, int flags)
#elif defined(_GNU_SOURCE)
flags = RTLD_LAZY | RTLD_GLOBAL; /* Overriding flags at this time */
return dlopen(libname, flags);
-#elif defined(__MINGW32__)
+#elif defined(__MINGW32__) | defined(_MSC_VER)
return LoadLibraryA(libname);
#else
return NULL;
@@ -82,7 +82,7 @@ _mesa_dlsym(void *handle, const char *fname)
u.v = dlsym(handle, fname2);
#elif defined(_GNU_SOURCE)
u.v = dlsym(handle, fname);
-#elif defined(__MINGW32__)
+#elif defined(__MINGW32__) | defined(_MSC_VER)
u.v = (void *) GetProcAddress(handle, fname);
#else
u.v = NULL;
@@ -101,7 +101,7 @@ _mesa_dlclose(void *handle)
(void) handle;
#elif defined(_GNU_SOURCE)
dlclose(handle);
-#elif defined(__MINGW32__)
+#elif defined(__MINGW32__) | defined(_MSC_VER)
FreeLibrary(handle);
#else
(void) handle;
diff --git a/mesalib/src/mesa/main/drawpix.c b/mesalib/src/mesa/main/drawpix.c
index fb86036a1..ab6e61fe3 100644
--- a/mesalib/src/mesa/main/drawpix.c
+++ b/mesalib/src/mesa/main/drawpix.c
@@ -1,302 +1,302 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.1
- *
- * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#include "glheader.h"
-#include "imports.h"
-#include "bufferobj.h"
-#include "context.h"
-#include "drawpix.h"
-#include "enums.h"
-#include "feedback.h"
-#include "framebuffer.h"
-#include "mfeatures.h"
-#include "pbo.h"
-#include "readpix.h"
-#include "state.h"
-#include "dispatch.h"
-
-
-#if FEATURE_drawpix
-
-
-/*
- * Execute glDrawPixels
- */
-static void GLAPIENTRY
-_mesa_DrawPixels( GLsizei width, GLsizei height,
- GLenum format, GLenum type, const GLvoid *pixels )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glDrawPixels(%d, %d, %s, %s, %p) // to %s at %d, %d\n",
- width, height,
- _mesa_lookup_enum_by_nr(format),
- _mesa_lookup_enum_by_nr(type),
- pixels,
- _mesa_lookup_enum_by_nr(ctx->DrawBuffer->ColorDrawBuffer[0]),
- IROUND(ctx->Current.RasterPos[0]),
- IROUND(ctx->Current.RasterPos[1]));
-
-
- if (width < 0 || height < 0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glDrawPixels(width or height < 0" );
- return;
- }
-
- /* We're not using the current vertex program, and the driver may install
- * its own. Note: this may dirty some state.
- */
- _mesa_set_vp_override(ctx, GL_TRUE);
-
- /* Note: this call does state validation */
- if (!_mesa_valid_to_render(ctx, "glDrawPixels")) {
- goto end; /* the error code was recorded */
- }
-
- if (_mesa_error_check_format_type(ctx, format, type, GL_TRUE)) {
- goto end; /* the error code was recorded */
- }
-
- if (!ctx->Current.RasterPosValid) {
- goto end; /* no-op, not an error */
- }
-
- if (ctx->RenderMode == GL_RENDER) {
- if (width > 0 && height > 0) {
- /* Round, to satisfy conformance tests (matches SGI's OpenGL) */
- GLint x = IROUND(ctx->Current.RasterPos[0]);
- GLint y = IROUND(ctx->Current.RasterPos[1]);
-
- if (ctx->Unpack.BufferObj->Name) {
- /* unpack from PBO */
- if (!_mesa_validate_pbo_access(2, &ctx->Unpack, width, height, 1,
- format, type, pixels)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glDrawPixels(invalid PBO access)");
- goto end;
- }
- if (_mesa_bufferobj_mapped(ctx->Unpack.BufferObj)) {
- /* buffer is mapped - that's an error */
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glDrawPixels(PBO is mapped)");
- goto end;
- }
- }
-
- ctx->Driver.DrawPixels(ctx, x, y, width, height, format, type,
- &ctx->Unpack, pixels);
- }
- }
- else if (ctx->RenderMode == GL_FEEDBACK) {
- /* Feedback the current raster pos info */
- FLUSH_CURRENT( ctx, 0 );
- _mesa_feedback_token( ctx, (GLfloat) (GLint) GL_DRAW_PIXEL_TOKEN );
- _mesa_feedback_vertex( ctx,
- ctx->Current.RasterPos,
- ctx->Current.RasterColor,
- ctx->Current.RasterTexCoords[0] );
- }
- else {
- ASSERT(ctx->RenderMode == GL_SELECT);
- /* Do nothing. See OpenGL Spec, Appendix B, Corollary 6. */
- }
-
-end:
- _mesa_set_vp_override(ctx, GL_FALSE);
-}
-
-
-static void GLAPIENTRY
-_mesa_CopyPixels( GLint srcx, GLint srcy, GLsizei width, GLsizei height,
- GLenum type )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx,
- "glCopyPixels(%d, %d, %d, %d, %s) // from %s to %s at %d, %d\n",
- srcx, srcy, width, height,
- _mesa_lookup_enum_by_nr(type),
- _mesa_lookup_enum_by_nr(ctx->ReadBuffer->ColorReadBuffer),
- _mesa_lookup_enum_by_nr(ctx->DrawBuffer->ColorDrawBuffer[0]),
- IROUND(ctx->Current.RasterPos[0]),
- IROUND(ctx->Current.RasterPos[1]));
-
- if (width < 0 || height < 0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glCopyPixels(width or height < 0)");
- return;
- }
-
- /* Note: more detailed 'type' checking is done by the
- * _mesa_source/dest_buffer_exists() calls below. That's where we
- * check if the stencil buffer exists, etc.
- */
- if (type != GL_COLOR &&
- type != GL_DEPTH &&
- type != GL_STENCIL &&
- type != GL_DEPTH_STENCIL) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glCopyPixels(type=%s)",
- _mesa_lookup_enum_by_nr(type));
- return;
- }
-
- /* We're not using the current vertex program, and the driver may install
- * it's own. Note: this may dirty some state.
- */
- _mesa_set_vp_override(ctx, GL_TRUE);
-
- /* Note: this call does state validation */
- if (!_mesa_valid_to_render(ctx, "glCopyPixels")) {
- goto end; /* the error code was recorded */
- }
-
- /* Check read buffer's status (draw buffer was already checked) */
- if (ctx->ReadBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
- _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
- "glCopyPixels(incomplete framebuffer)" );
- goto end;
- }
-
- if (!_mesa_source_buffer_exists(ctx, type) ||
- !_mesa_dest_buffer_exists(ctx, type)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glCopyPixels(missing source or dest buffer)");
- goto end;
- }
-
- if (!ctx->Current.RasterPosValid || width ==0 || height == 0) {
- goto end; /* no-op, not an error */
- }
-
- if (ctx->RenderMode == GL_RENDER) {
- /* Round to satisfy conformance tests (matches SGI's OpenGL) */
- if (width > 0 && height > 0) {
- GLint destx = IROUND(ctx->Current.RasterPos[0]);
- GLint desty = IROUND(ctx->Current.RasterPos[1]);
- ctx->Driver.CopyPixels( ctx, srcx, srcy, width, height, destx, desty,
- type );
- }
- }
- else if (ctx->RenderMode == GL_FEEDBACK) {
- FLUSH_CURRENT( ctx, 0 );
- _mesa_feedback_token( ctx, (GLfloat) (GLint) GL_COPY_PIXEL_TOKEN );
- _mesa_feedback_vertex( ctx,
- ctx->Current.RasterPos,
- ctx->Current.RasterColor,
- ctx->Current.RasterTexCoords[0] );
- }
- else {
- ASSERT(ctx->RenderMode == GL_SELECT);
- /* Do nothing. See OpenGL Spec, Appendix B, Corollary 6. */
- }
-
-end:
- _mesa_set_vp_override(ctx, GL_FALSE);
-}
-
-
-static void GLAPIENTRY
-_mesa_Bitmap( GLsizei width, GLsizei height,
- GLfloat xorig, GLfloat yorig, GLfloat xmove, GLfloat ymove,
- const GLubyte *bitmap )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (width < 0 || height < 0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glBitmap(width or height < 0)" );
- return;
- }
-
- if (!ctx->Current.RasterPosValid) {
- return; /* do nothing */
- }
-
- /* Note: this call does state validation */
- if (!_mesa_valid_to_render(ctx, "glBitmap")) {
- /* the error code was recorded */
- return;
- }
-
- if (ctx->RenderMode == GL_RENDER) {
- /* Truncate, to satisfy conformance tests (matches SGI's OpenGL). */
- if (width > 0 && height > 0) {
- const GLfloat epsilon = 0.0001F;
- GLint x = IFLOOR(ctx->Current.RasterPos[0] + epsilon - xorig);
- GLint y = IFLOOR(ctx->Current.RasterPos[1] + epsilon - yorig);
-
- if (ctx->Unpack.BufferObj->Name) {
- /* unpack from PBO */
- if (!_mesa_validate_pbo_access(2, &ctx->Unpack, width, height, 1,
- GL_COLOR_INDEX, GL_BITMAP,
- (GLvoid *) bitmap)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBitmap(invalid PBO access)");
- return;
- }
- if (_mesa_bufferobj_mapped(ctx->Unpack.BufferObj)) {
- /* buffer is mapped - that's an error */
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBitmap(PBO is mapped)");
- return;
- }
- }
-
- ctx->Driver.Bitmap( ctx, x, y, width, height, &ctx->Unpack, bitmap );
- }
- }
-#if _HAVE_FULL_GL
- else if (ctx->RenderMode == GL_FEEDBACK) {
- FLUSH_CURRENT(ctx, 0);
- _mesa_feedback_token( ctx, (GLfloat) (GLint) GL_BITMAP_TOKEN );
- _mesa_feedback_vertex( ctx,
- ctx->Current.RasterPos,
- ctx->Current.RasterColor,
- ctx->Current.RasterTexCoords[0] );
- }
- else {
- ASSERT(ctx->RenderMode == GL_SELECT);
- /* Do nothing. See OpenGL Spec, Appendix B, Corollary 6. */
- }
-#endif
-
- /* update raster position */
- ctx->Current.RasterPos[0] += xmove;
- ctx->Current.RasterPos[1] += ymove;
-}
-
-
-void
-_mesa_init_drawpix_dispatch(struct _glapi_table *disp)
-{
- SET_Bitmap(disp, _mesa_Bitmap);
- SET_CopyPixels(disp, _mesa_CopyPixels);
- SET_DrawPixels(disp, _mesa_DrawPixels);
-}
-
-
-#endif /* FEATURE_drawpix */
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.1
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "glheader.h"
+#include "imports.h"
+#include "bufferobj.h"
+#include "context.h"
+#include "drawpix.h"
+#include "enums.h"
+#include "feedback.h"
+#include "framebuffer.h"
+#include "mfeatures.h"
+#include "pbo.h"
+#include "readpix.h"
+#include "state.h"
+#include "dispatch.h"
+
+
+#if FEATURE_drawpix
+
+
+/*
+ * Execute glDrawPixels
+ */
+static void GLAPIENTRY
+_mesa_DrawPixels( GLsizei width, GLsizei height,
+ GLenum format, GLenum type, const GLvoid *pixels )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glDrawPixels(%d, %d, %s, %s, %p) // to %s at %d, %d\n",
+ width, height,
+ _mesa_lookup_enum_by_nr(format),
+ _mesa_lookup_enum_by_nr(type),
+ pixels,
+ _mesa_lookup_enum_by_nr(ctx->DrawBuffer->ColorDrawBuffer[0]),
+ IROUND(ctx->Current.RasterPos[0]),
+ IROUND(ctx->Current.RasterPos[1]));
+
+
+ if (width < 0 || height < 0) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glDrawPixels(width or height < 0" );
+ return;
+ }
+
+ /* We're not using the current vertex program, and the driver may install
+ * its own. Note: this may dirty some state.
+ */
+ _mesa_set_vp_override(ctx, GL_TRUE);
+
+ /* Note: this call does state validation */
+ if (!_mesa_valid_to_render(ctx, "glDrawPixels")) {
+ goto end; /* the error code was recorded */
+ }
+
+ if (_mesa_error_check_format_type(ctx, format, type, GL_TRUE)) {
+ goto end; /* the error code was recorded */
+ }
+
+ if (!ctx->Current.RasterPosValid) {
+ goto end; /* no-op, not an error */
+ }
+
+ if (ctx->RenderMode == GL_RENDER) {
+ if (width > 0 && height > 0) {
+ /* Round, to satisfy conformance tests (matches SGI's OpenGL) */
+ GLint x = IROUND(ctx->Current.RasterPos[0]);
+ GLint y = IROUND(ctx->Current.RasterPos[1]);
+
+ if (ctx->Unpack.BufferObj->Name) {
+ /* unpack from PBO */
+ if (!_mesa_validate_pbo_access(2, &ctx->Unpack, width, height, 1,
+ format, type, pixels)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glDrawPixels(invalid PBO access)");
+ goto end;
+ }
+ if (_mesa_bufferobj_mapped(ctx->Unpack.BufferObj)) {
+ /* buffer is mapped - that's an error */
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glDrawPixels(PBO is mapped)");
+ goto end;
+ }
+ }
+
+ ctx->Driver.DrawPixels(ctx, x, y, width, height, format, type,
+ &ctx->Unpack, pixels);
+ }
+ }
+ else if (ctx->RenderMode == GL_FEEDBACK) {
+ /* Feedback the current raster pos info */
+ FLUSH_CURRENT( ctx, 0 );
+ _mesa_feedback_token( ctx, (GLfloat) (GLint) GL_DRAW_PIXEL_TOKEN );
+ _mesa_feedback_vertex( ctx,
+ ctx->Current.RasterPos,
+ ctx->Current.RasterColor,
+ ctx->Current.RasterTexCoords[0] );
+ }
+ else {
+ ASSERT(ctx->RenderMode == GL_SELECT);
+ /* Do nothing. See OpenGL Spec, Appendix B, Corollary 6. */
+ }
+
+end:
+ _mesa_set_vp_override(ctx, GL_FALSE);
+}
+
+
+static void GLAPIENTRY
+_mesa_CopyPixels( GLint srcx, GLint srcy, GLsizei width, GLsizei height,
+ GLenum type )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx,
+ "glCopyPixels(%d, %d, %d, %d, %s) // from %s to %s at %d, %d\n",
+ srcx, srcy, width, height,
+ _mesa_lookup_enum_by_nr(type),
+ _mesa_lookup_enum_by_nr(ctx->ReadBuffer->ColorReadBuffer),
+ _mesa_lookup_enum_by_nr(ctx->DrawBuffer->ColorDrawBuffer[0]),
+ IROUND(ctx->Current.RasterPos[0]),
+ IROUND(ctx->Current.RasterPos[1]));
+
+ if (width < 0 || height < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glCopyPixels(width or height < 0)");
+ return;
+ }
+
+ /* Note: more detailed 'type' checking is done by the
+ * _mesa_source/dest_buffer_exists() calls below. That's where we
+ * check if the stencil buffer exists, etc.
+ */
+ if (type != GL_COLOR &&
+ type != GL_DEPTH &&
+ type != GL_STENCIL &&
+ type != GL_DEPTH_STENCIL) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glCopyPixels(type=%s)",
+ _mesa_lookup_enum_by_nr(type));
+ return;
+ }
+
+ /* We're not using the current vertex program, and the driver may install
+ * it's own. Note: this may dirty some state.
+ */
+ _mesa_set_vp_override(ctx, GL_TRUE);
+
+ /* Note: this call does state validation */
+ if (!_mesa_valid_to_render(ctx, "glCopyPixels")) {
+ goto end; /* the error code was recorded */
+ }
+
+ /* Check read buffer's status (draw buffer was already checked) */
+ if (ctx->ReadBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
+ _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
+ "glCopyPixels(incomplete framebuffer)" );
+ goto end;
+ }
+
+ if (!_mesa_source_buffer_exists(ctx, type) ||
+ !_mesa_dest_buffer_exists(ctx, type)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCopyPixels(missing source or dest buffer)");
+ goto end;
+ }
+
+ if (!ctx->Current.RasterPosValid || width ==0 || height == 0) {
+ goto end; /* no-op, not an error */
+ }
+
+ if (ctx->RenderMode == GL_RENDER) {
+ /* Round to satisfy conformance tests (matches SGI's OpenGL) */
+ if (width > 0 && height > 0) {
+ GLint destx = IROUND(ctx->Current.RasterPos[0]);
+ GLint desty = IROUND(ctx->Current.RasterPos[1]);
+ ctx->Driver.CopyPixels( ctx, srcx, srcy, width, height, destx, desty,
+ type );
+ }
+ }
+ else if (ctx->RenderMode == GL_FEEDBACK) {
+ FLUSH_CURRENT( ctx, 0 );
+ _mesa_feedback_token( ctx, (GLfloat) (GLint) GL_COPY_PIXEL_TOKEN );
+ _mesa_feedback_vertex( ctx,
+ ctx->Current.RasterPos,
+ ctx->Current.RasterColor,
+ ctx->Current.RasterTexCoords[0] );
+ }
+ else {
+ ASSERT(ctx->RenderMode == GL_SELECT);
+ /* Do nothing. See OpenGL Spec, Appendix B, Corollary 6. */
+ }
+
+end:
+ _mesa_set_vp_override(ctx, GL_FALSE);
+}
+
+
+static void GLAPIENTRY
+_mesa_Bitmap( GLsizei width, GLsizei height,
+ GLfloat xorig, GLfloat yorig, GLfloat xmove, GLfloat ymove,
+ const GLubyte *bitmap )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (width < 0 || height < 0) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glBitmap(width or height < 0)" );
+ return;
+ }
+
+ if (!ctx->Current.RasterPosValid) {
+ return; /* do nothing */
+ }
+
+ /* Note: this call does state validation */
+ if (!_mesa_valid_to_render(ctx, "glBitmap")) {
+ /* the error code was recorded */
+ return;
+ }
+
+ if (ctx->RenderMode == GL_RENDER) {
+ /* Truncate, to satisfy conformance tests (matches SGI's OpenGL). */
+ if (width > 0 && height > 0) {
+ const GLfloat epsilon = 0.0001F;
+ GLint x = IFLOOR(ctx->Current.RasterPos[0] + epsilon - xorig);
+ GLint y = IFLOOR(ctx->Current.RasterPos[1] + epsilon - yorig);
+
+ if (ctx->Unpack.BufferObj->Name) {
+ /* unpack from PBO */
+ if (!_mesa_validate_pbo_access(2, &ctx->Unpack, width, height, 1,
+ GL_COLOR_INDEX, GL_BITMAP,
+ (GLvoid *) bitmap)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBitmap(invalid PBO access)");
+ return;
+ }
+ if (_mesa_bufferobj_mapped(ctx->Unpack.BufferObj)) {
+ /* buffer is mapped - that's an error */
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBitmap(PBO is mapped)");
+ return;
+ }
+ }
+
+ ctx->Driver.Bitmap( ctx, x, y, width, height, &ctx->Unpack, bitmap );
+ }
+ }
+#if _HAVE_FULL_GL
+ else if (ctx->RenderMode == GL_FEEDBACK) {
+ FLUSH_CURRENT(ctx, 0);
+ _mesa_feedback_token( ctx, (GLfloat) (GLint) GL_BITMAP_TOKEN );
+ _mesa_feedback_vertex( ctx,
+ ctx->Current.RasterPos,
+ ctx->Current.RasterColor,
+ ctx->Current.RasterTexCoords[0] );
+ }
+ else {
+ ASSERT(ctx->RenderMode == GL_SELECT);
+ /* Do nothing. See OpenGL Spec, Appendix B, Corollary 6. */
+ }
+#endif
+
+ /* update raster position */
+ ctx->Current.RasterPos[0] += xmove;
+ ctx->Current.RasterPos[1] += ymove;
+}
+
+
+void
+_mesa_init_drawpix_dispatch(struct _glapi_table *disp)
+{
+ SET_Bitmap(disp, _mesa_Bitmap);
+ SET_CopyPixels(disp, _mesa_CopyPixels);
+ SET_DrawPixels(disp, _mesa_DrawPixels);
+}
+
+
+#endif /* FEATURE_drawpix */
diff --git a/mesalib/src/mesa/main/extensions.c b/mesalib/src/mesa/main/extensions.c
index d0c08ca71..b58d3635e 100644
--- a/mesalib/src/mesa/main/extensions.c
+++ b/mesalib/src/mesa/main/extensions.c
@@ -1,994 +1,994 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.6
- *
- * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
- * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-/**
- * \file
- * \brief Extension handling
- */
-
-
-#include "glheader.h"
-#include "imports.h"
-#include "context.h"
-#include "extensions.h"
-#include "mfeatures.h"
-#include "mtypes.h"
-
-enum {
- DISABLE = 0,
- GL = 1 << API_OPENGL,
- ES1 = 1 << API_OPENGLES,
- ES2 = 1 << API_OPENGLES2,
-};
-
-/**
- * \brief An element of the \c extension_table.
- */
-struct extension {
- /** Name of extension, such as "GL_ARB_depth_clamp". */
- const char *name;
-
- /** Offset (in bytes) of the corresponding member in struct gl_extensions. */
- size_t offset;
-
- /** Set of API's in which the extension exists, as a bitset. */
- uint8_t api_set;
-
- /** Year the extension was proposed or approved. Used to sort the
- * extension string chronologically. */
- uint16_t year;
-};
-
-
-/**
- * Given a member \c x of struct gl_extensions, return offset of
- * \c x in bytes.
- */
-#define o(x) offsetof(struct gl_extensions, x)
-
-
-/**
- * \brief Table of supported OpenGL extensions for all API's.
- *
- * Note: The GL_MESAX_* extensions are placeholders for future ARB extensions.
- */
-static const struct extension extension_table[] = {
- /* ARB Extensions */
- { "GL_ARB_ES2_compatibility", o(ARB_ES2_compatibility), GL, 2009 },
- { "GL_ARB_blend_func_extended", o(ARB_blend_func_extended), GL, 2009 },
- { "GL_ARB_copy_buffer", o(ARB_copy_buffer), GL, 2008 },
- { "GL_ARB_depth_buffer_float", o(ARB_depth_buffer_float), GL, 2008 },
- { "GL_ARB_depth_clamp", o(ARB_depth_clamp), GL, 2003 },
- { "GL_ARB_depth_texture", o(ARB_depth_texture), GL, 2001 },
- { "GL_ARB_draw_buffers", o(ARB_draw_buffers), GL, 2002 },
- { "GL_ARB_draw_buffers_blend", o(ARB_draw_buffers_blend), GL, 2009 },
- { "GL_ARB_draw_elements_base_vertex", o(ARB_draw_elements_base_vertex), GL, 2009 },
- { "GL_ARB_draw_instanced", o(ARB_draw_instanced), GL, 2008 },
- { "GL_ARB_explicit_attrib_location", o(ARB_explicit_attrib_location), GL, 2009 },
- { "GL_ARB_fragment_coord_conventions", o(ARB_fragment_coord_conventions), GL, 2009 },
- { "GL_ARB_fragment_program", o(ARB_fragment_program), GL, 2002 },
- { "GL_ARB_fragment_program_shadow", o(ARB_fragment_program_shadow), GL, 2003 },
- { "GL_ARB_fragment_shader", o(ARB_fragment_shader), GL, 2002 },
- { "GL_ARB_framebuffer_object", o(ARB_framebuffer_object), GL, 2005 },
- { "GL_ARB_framebuffer_sRGB", o(EXT_framebuffer_sRGB), GL, 1998 },
- { "GL_ARB_half_float_pixel", o(ARB_half_float_pixel), GL, 2003 },
- { "GL_ARB_half_float_vertex", o(ARB_half_float_vertex), GL, 2008 },
- { "GL_ARB_instanced_arrays", o(ARB_instanced_arrays), GL, 2008 },
- { "GL_ARB_map_buffer_range", o(ARB_map_buffer_range), GL, 2008 },
- { "GL_ARB_multisample", o(ARB_multisample), GL, 1994 },
- { "GL_ARB_multitexture", o(ARB_multitexture), GL, 1998 },
- { "GL_ARB_occlusion_query2", o(ARB_occlusion_query2), GL, 2003 },
- { "GL_ARB_occlusion_query", o(ARB_occlusion_query), GL, 2001 },
- { "GL_ARB_pixel_buffer_object", o(EXT_pixel_buffer_object), GL, 2004 },
- { "GL_ARB_point_parameters", o(EXT_point_parameters), GL, 1997 },
- { "GL_ARB_point_sprite", o(ARB_point_sprite), GL, 2003 },
- { "GL_ARB_provoking_vertex", o(EXT_provoking_vertex), GL, 2009 },
- { "GL_ARB_sampler_objects", o(ARB_sampler_objects), GL, 2009 },
- { "GL_ARB_seamless_cube_map", o(ARB_seamless_cube_map), GL, 2009 },
- { "GL_ARB_shader_objects", o(ARB_shader_objects), GL, 2002 },
- { "GL_ARB_shader_stencil_export", o(ARB_shader_stencil_export), GL, 2009 },
- { "GL_ARB_shading_language_100", o(ARB_shading_language_100), GL, 2003 },
- { "GL_ARB_shadow_ambient", o(ARB_shadow_ambient), GL, 2001 },
- { "GL_ARB_shadow", o(ARB_shadow), GL, 2001 },
- { "GL_ARB_sync", o(ARB_sync), GL, 2003 },
- { "GL_ARB_texture_border_clamp", o(ARB_texture_border_clamp), GL, 2000 },
- { "GL_ARB_texture_buffer_object", o(ARB_texture_buffer_object), GL, 2008 },
- { "GL_ARB_texture_compression", o(ARB_texture_compression), GL, 2000 },
- { "GL_ARB_texture_compression_rgtc", o(ARB_texture_compression_rgtc), GL, 2004 },
- { "GL_ARB_texture_cube_map", o(ARB_texture_cube_map), GL, 1999 },
- { "GL_ARB_texture_env_add", o(EXT_texture_env_add), GL, 1999 },
- { "GL_ARB_texture_env_combine", o(ARB_texture_env_combine), GL, 2001 },
- { "GL_ARB_texture_env_crossbar", o(ARB_texture_env_crossbar), GL, 2001 },
- { "GL_ARB_texture_env_dot3", o(ARB_texture_env_dot3), GL, 2001 },
- { "GL_ARB_texture_mirrored_repeat", o(ARB_texture_mirrored_repeat), GL, 2001 },
- { "GL_ARB_texture_multisample", o(ARB_texture_multisample), GL, 2009 },
- { "GL_ARB_texture_non_power_of_two", o(ARB_texture_non_power_of_two), GL, 2003 },
- { "GL_ARB_texture_rectangle", o(NV_texture_rectangle), GL, 2004 },
- { "GL_ARB_texture_rgb10_a2ui", o(ARB_texture_rgb10_a2ui), GL, 2009 },
- { "GL_ARB_texture_rg", o(ARB_texture_rg), GL, 2008 },
- { "GL_ARB_texture_swizzle", o(EXT_texture_swizzle), GL, 2008 },
- { "GL_ARB_transform_feedback2", o(ARB_transform_feedback2), GL, 2010 },
- { "GL_ARB_transpose_matrix", o(ARB_transpose_matrix), GL, 1999 },
- { "GL_ARB_uniform_buffer_object", o(ARB_uniform_buffer_object), GL, 2002 },
- { "GL_ARB_vertex_array_bgra", o(EXT_vertex_array_bgra), GL, 2008 },
- { "GL_ARB_vertex_array_object", o(ARB_vertex_array_object), GL, 2006 },
- { "GL_ARB_vertex_buffer_object", o(ARB_vertex_buffer_object), GL, 2003 },
- { "GL_ARB_vertex_program", o(ARB_vertex_program), GL, 2002 },
- { "GL_ARB_vertex_shader", o(ARB_vertex_shader), GL, 2002 },
- { "GL_ARB_vertex_type_2_10_10_10_rev", o(ARB_vertex_type_2_10_10_10_rev), GL, 2009 },
- { "GL_ARB_window_pos", o(ARB_window_pos), GL, 2001 },
-
- /* EXT extensions */
- { "GL_EXT_abgr", o(EXT_abgr), GL, 1995 },
- { "GL_EXT_bgra", o(EXT_bgra), GL, 1995 },
- { "GL_EXT_blend_color", o(EXT_blend_color), GL, 1995 },
- { "GL_EXT_blend_equation_separate", o(EXT_blend_equation_separate), GL, 2003 },
- { "GL_EXT_blend_func_separate", o(EXT_blend_func_separate), GL, 1999 },
- { "GL_EXT_blend_logic_op", o(EXT_blend_logic_op), GL, 1995 },
- { "GL_EXT_blend_minmax", o(EXT_blend_minmax), GL | ES1 | ES2, 1995 },
- { "GL_EXT_blend_subtract", o(EXT_blend_subtract), GL, 1995 },
- { "GL_EXT_clip_volume_hint", o(EXT_clip_volume_hint), GL, 1996 },
- { "GL_EXT_compiled_vertex_array", o(EXT_compiled_vertex_array), GL, 1996 },
- { "GL_EXT_copy_texture", o(EXT_copy_texture), GL, 1995 },
- { "GL_EXT_depth_bounds_test", o(EXT_depth_bounds_test), GL, 2002 },
- { "GL_EXT_draw_buffers2", o(EXT_draw_buffers2), GL, 2006 },
- { "GL_EXT_draw_instanced", o(ARB_draw_instanced), GL, 2006 },
- { "GL_EXT_draw_range_elements", o(EXT_draw_range_elements), GL, 1997 },
- { "GL_EXT_fog_coord", o(EXT_fog_coord), GL, 1999 },
- { "GL_EXT_framebuffer_blit", o(EXT_framebuffer_blit), GL, 2005 },
- { "GL_EXT_framebuffer_multisample", o(EXT_framebuffer_multisample), GL, 2005 },
- { "GL_EXT_framebuffer_object", o(EXT_framebuffer_object), GL, 2000 },
- { "GL_EXT_framebuffer_sRGB", o(EXT_framebuffer_sRGB), GL, 1998 },
- { "GL_EXT_gpu_program_parameters", o(EXT_gpu_program_parameters), GL, 2006 },
- { "GL_EXT_gpu_shader4", o(EXT_gpu_shader4), GL, 2006 },
- { "GL_EXT_multi_draw_arrays", o(EXT_multi_draw_arrays), GL | ES1 | ES2, 1999 },
- { "GL_EXT_packed_depth_stencil", o(EXT_packed_depth_stencil), GL, 2005 },
- { "GL_EXT_packed_float", o(EXT_packed_float), GL, 2004 },
- { "GL_EXT_packed_pixels", o(EXT_packed_pixels), GL, 1997 },
- { "GL_EXT_paletted_texture", o(EXT_paletted_texture), GL, 1995 },
- { "GL_EXT_pixel_buffer_object", o(EXT_pixel_buffer_object), GL, 2004 },
- { "GL_EXT_point_parameters", o(EXT_point_parameters), GL, 1997 },
- { "GL_EXT_polygon_offset", o(EXT_polygon_offset), GL, 1995 },
- { "GL_EXT_provoking_vertex", o(EXT_provoking_vertex), GL, 2009 },
- { "GL_EXT_rescale_normal", o(EXT_rescale_normal), GL, 1997 },
- { "GL_EXT_secondary_color", o(EXT_secondary_color), GL, 1999 },
- { "GL_EXT_separate_shader_objects", o(EXT_separate_shader_objects), GL, 2008 },
- { "GL_EXT_separate_specular_color", o(EXT_separate_specular_color), GL, 1997 },
- { "GL_EXT_shadow_funcs", o(EXT_shadow_funcs), GL, 2002 },
- { "GL_EXT_shared_texture_palette", o(EXT_shared_texture_palette), GL, 2000 },
- { "GL_EXT_stencil_two_side", o(EXT_stencil_two_side), GL, 2001 },
- { "GL_EXT_stencil_wrap", o(EXT_stencil_wrap), GL, 2002 },
- { "GL_EXT_subtexture", o(EXT_subtexture), GL, 1995 },
- { "GL_EXT_texture3D", o(EXT_texture3D), GL, 1996 },
- { "GL_EXT_texture_array", o(EXT_texture_array), GL, 2006 },
- { "GL_EXT_texture_compression_dxt1", o(EXT_texture_compression_s3tc), GL | ES1 | ES2, 2004 },
- { "GL_EXT_texture_compression_latc", o(EXT_texture_compression_latc), GL, 2006 },
- { "GL_EXT_texture_compression_rgtc", o(ARB_texture_compression_rgtc), GL, 2004 },
- { "GL_EXT_texture_compression_s3tc", o(EXT_texture_compression_s3tc), GL, 2000 },
- { "GL_EXT_texture_cube_map", o(ARB_texture_cube_map), GL, 2001 },
- { "GL_EXT_texture_edge_clamp", o(SGIS_texture_edge_clamp), GL, 1997 },
- { "GL_EXT_texture_env_add", o(EXT_texture_env_add), GL, 1999 },
- { "GL_EXT_texture_env_combine", o(EXT_texture_env_combine), GL, 2006 },
- { "GL_EXT_texture_env_dot3", o(EXT_texture_env_dot3), GL, 2000 },
- { "GL_EXT_texture_filter_anisotropic", o(EXT_texture_filter_anisotropic), GL | ES1 | ES2, 1999 },
- { "GL_EXT_texture_format_BGRA8888", o(EXT_texture_format_BGRA8888), ES1 | ES2, 2009 },
- { "GL_EXT_texture_integer", o(EXT_texture_integer), GL, 2006 },
- { "GL_EXT_texture_lod_bias", o(EXT_texture_lod_bias), GL | ES1, 1999 },
- { "GL_EXT_texture_mirror_clamp", o(EXT_texture_mirror_clamp), GL, 2004 },
- { "GL_EXT_texture_object", o(EXT_texture_object), GL, 1995 },
- { "GL_EXT_texture", o(EXT_texture), GL, 1996 },
- { "GL_EXT_texture_rectangle", o(NV_texture_rectangle), GL, 2004 },
- { "GL_EXT_texture_shared_exponent", o(EXT_texture_shared_exponent), GL, 2004 },
- { "GL_EXT_texture_sRGB", o(EXT_texture_sRGB), GL, 2004 },
- { "GL_EXT_texture_sRGB_decode", o(EXT_texture_sRGB_decode), GL, 2006 },
- { "GL_EXT_texture_swizzle", o(EXT_texture_swizzle), GL, 2008 },
- { "GL_EXT_texture_type_2_10_10_10_REV", o(dummy_true), ES2, 2008 },
- { "GL_EXT_timer_query", o(EXT_timer_query), GL, 2006 },
- { "GL_EXT_transform_feedback", o(EXT_transform_feedback), GL, 2011 },
- { "GL_EXT_vertex_array_bgra", o(EXT_vertex_array_bgra), GL, 2008 },
- { "GL_EXT_vertex_array", o(EXT_vertex_array), GL, 1995 },
- { "GL_EXT_vertex_array_set", o(EXT_vertex_array_set), GL, 1997 },
-
- /* OES extensions */
- { "GL_OES_blend_equation_separate", o(EXT_blend_equation_separate), ES1, 2009 },
- { "GL_OES_blend_func_separate", o(EXT_blend_func_separate), ES1, 2009 },
- { "GL_OES_blend_subtract", o(EXT_blend_subtract), ES1, 2009 },
- { "GL_OES_byte_coordinates", o(dummy_true), ES1, 2002 },
- { "GL_OES_compressed_paletted_texture", o(dummy_false), DISABLE, 2003 },
- { "GL_OES_depth24", o(EXT_framebuffer_object), ES1 | ES2, 2005 },
- { "GL_OES_depth32", o(dummy_false), DISABLE, 2005 },
- { "GL_OES_depth_texture", o(ARB_depth_texture), ES2, 2006 },
-#if FEATURE_OES_draw_texture
- { "GL_OES_draw_texture", o(OES_draw_texture), ES1 | ES2, 2004 },
-#endif
-#if FEATURE_OES_EGL_image
- /* FIXME: Mesa expects GL_OES_EGL_image to be available in OpenGL contexts. */
- { "GL_OES_EGL_image", o(OES_EGL_image), GL | ES1 | ES2, 2006 },
-#endif
- { "GL_OES_element_index_uint", o(EXT_vertex_array), ES1 | ES2, 2005 },
- { "GL_OES_fbo_render_mipmap", o(EXT_framebuffer_object), ES1 | ES2, 2005 },
- { "GL_OES_fixed_point", o(dummy_true), ES1, 2002 },
- { "GL_OES_framebuffer_object", o(EXT_framebuffer_object), ES1, 2005 },
- { "GL_OES_mapbuffer", o(ARB_vertex_buffer_object), ES1 | ES2, 2005 },
- { "GL_OES_matrix_get", o(dummy_true), ES1, 2004 },
- { "GL_OES_packed_depth_stencil", o(EXT_packed_depth_stencil), ES1 | ES2, 2007 },
- { "GL_OES_point_size_array", o(dummy_true), ES1, 2004 },
- { "GL_OES_point_sprite", o(ARB_point_sprite), ES1, 2004 },
- { "GL_OES_query_matrix", o(dummy_true), ES1, 2003 },
- { "GL_OES_read_format", o(OES_read_format), GL | ES1, 2003 },
- { "GL_OES_rgb8_rgba8", o(EXT_framebuffer_object), ES1 | ES2, 2005 },
- { "GL_OES_single_precision", o(dummy_true), ES1, 2003 },
- { "GL_OES_standard_derivatives", o(OES_standard_derivatives), ES2, 2005 },
- { "GL_OES_stencil1", o(dummy_false), DISABLE, 2005 },
- { "GL_OES_stencil4", o(dummy_false), DISABLE, 2005 },
- { "GL_OES_stencil8", o(EXT_framebuffer_object), ES1 | ES2, 2005 },
- { "GL_OES_stencil_wrap", o(EXT_stencil_wrap), ES1, 2002 },
- { "GL_OES_texture_3D", o(EXT_texture3D), ES2, 2005 },
- { "GL_OES_texture_cube_map", o(ARB_texture_cube_map), ES1, 2007 },
- { "GL_OES_texture_env_crossbar", o(ARB_texture_env_crossbar), ES1, 2005 },
- { "GL_OES_texture_mirrored_repeat", o(ARB_texture_mirrored_repeat), ES1, 2005 },
- { "GL_OES_texture_npot", o(ARB_texture_non_power_of_two), ES2, 2005 },
-
- /* Vendor extensions */
- { "GL_3DFX_texture_compression_FXT1", o(TDFX_texture_compression_FXT1), GL, 1999 },
- { "GL_AMD_conservative_depth", o(AMD_conservative_depth), GL, 2009 },
- { "GL_APPLE_client_storage", o(APPLE_client_storage), GL, 2002 },
- { "GL_APPLE_object_purgeable", o(APPLE_object_purgeable), GL, 2006 },
- { "GL_APPLE_packed_pixels", o(APPLE_packed_pixels), GL, 2002 },
- { "GL_APPLE_vertex_array_object", o(APPLE_vertex_array_object), GL, 2002 },
- { "GL_ATI_blend_equation_separate", o(EXT_blend_equation_separate), GL, 2003 },
- { "GL_ATI_envmap_bumpmap", o(ATI_envmap_bumpmap), GL, 2001 },
- { "GL_ATI_fragment_shader", o(ATI_fragment_shader), GL, 2001 },
- { "GL_ATI_separate_stencil", o(ATI_separate_stencil), GL, 2006 },
- { "GL_ATI_texture_compression_3dc", o(ATI_texture_compression_3dc), GL, 2004 },
- { "GL_ATI_texture_env_combine3", o(ATI_texture_env_combine3), GL, 2002 },
- { "GL_ATI_texture_mirror_once", o(ATI_texture_mirror_once), GL, 2006 },
- { "GL_IBM_multimode_draw_arrays", o(IBM_multimode_draw_arrays), GL, 1998 },
- { "GL_IBM_rasterpos_clip", o(IBM_rasterpos_clip), GL, 1996 },
- { "GL_IBM_texture_mirrored_repeat", o(ARB_texture_mirrored_repeat), GL, 1998 },
- { "GL_INGR_blend_func_separate", o(EXT_blend_func_separate), GL, 1999 },
- { "GL_MESA_pack_invert", o(MESA_pack_invert), GL, 2002 },
- { "GL_MESA_resize_buffers", o(MESA_resize_buffers), GL, 1999 },
- { "GL_MESA_texture_array", o(MESA_texture_array), GL, 2007 },
- { "GL_MESA_texture_signed_rgba", o(MESA_texture_signed_rgba), GL, 2009 },
- { "GL_MESA_window_pos", o(ARB_window_pos), GL, 2000 },
- { "GL_MESAX_texture_float", o(ARB_texture_float), GL, 2009 },
- { "GL_MESA_ycbcr_texture", o(MESA_ycbcr_texture), GL, 2002 },
- { "GL_NV_blend_square", o(NV_blend_square), GL, 1999 },
- { "GL_NV_conditional_render", o(NV_conditional_render), GL, 2008 },
- { "GL_NV_depth_clamp", o(ARB_depth_clamp), GL, 2001 },
- { "GL_NV_fragment_program", o(NV_fragment_program), GL, 2001 },
- { "GL_NV_fragment_program_option", o(NV_fragment_program_option), GL, 2005 },
- { "GL_NV_light_max_exponent", o(NV_light_max_exponent), GL, 1999 },
- { "GL_NV_packed_depth_stencil", o(EXT_packed_depth_stencil), GL, 2000 },
- { "GL_NV_point_sprite", o(NV_point_sprite), GL, 2001 },
- { "GL_NV_primitive_restart", o(NV_primitive_restart), GL, 2002 },
- { "GL_NV_texgen_reflection", o(NV_texgen_reflection), GL, 1999 },
- { "GL_NV_texture_barrier", o(NV_texture_barrier), GL, 2009 },
- { "GL_NV_texture_env_combine4", o(NV_texture_env_combine4), GL, 1999 },
- { "GL_NV_texture_rectangle", o(NV_texture_rectangle), GL, 2000 },
- { "GL_NV_vertex_program1_1", o(NV_vertex_program1_1), GL, 2001 },
- { "GL_NV_vertex_program", o(NV_vertex_program), GL, 2000 },
- { "GL_S3_s3tc", o(S3_s3tc), GL, 1999 },
- { "GL_SGIS_generate_mipmap", o(SGIS_generate_mipmap), GL, 1997 },
- { "GL_SGIS_texture_border_clamp", o(ARB_texture_border_clamp), GL, 1997 },
- { "GL_SGIS_texture_edge_clamp", o(SGIS_texture_edge_clamp), GL, 1997 },
- { "GL_SGIS_texture_lod", o(SGIS_texture_lod), GL, 1997 },
- { "GL_SUN_multi_draw_arrays", o(EXT_multi_draw_arrays), GL, 1999 },
-
- { 0, 0, 0, 0 },
-};
-
-
-/**
- * Given an extension name, lookup up the corresponding member of struct
- * gl_extensions and return that member's offset (in bytes). If the name is
- * not found in the \c extension_table, return 0.
- *
- * \param name Name of extension.
- * \return Offset of member in struct gl_extensions.
- */
-static size_t
-name_to_offset(const char* name)
-{
- const struct extension *i;
-
- if (name == 0)
- return 0;
-
- for (i = extension_table; i->name != 0; ++i) {
- if (strcmp(name, i->name) == 0)
- return i->offset;
- }
-
- return 0;
-}
-
-
-/**
- * \brief Extensions enabled by default.
- *
- * These extensions are enabled by _mesa_init_extensions().
- *
- * XXX: Should these defaults also apply to GLES?
- */
-static const size_t default_extensions[] = {
- o(ARB_copy_buffer),
- o(ARB_draw_buffers),
- o(ARB_multisample),
- o(ARB_texture_compression),
- o(ARB_transpose_matrix),
- o(ARB_vertex_buffer_object),
- o(ARB_window_pos),
-
- o(EXT_abgr),
- o(EXT_bgra),
- o(EXT_compiled_vertex_array),
- o(EXT_copy_texture),
- o(EXT_draw_range_elements),
- o(EXT_multi_draw_arrays),
- o(EXT_packed_pixels),
- o(EXT_polygon_offset),
- o(EXT_rescale_normal),
- o(EXT_separate_specular_color),
- o(EXT_subtexture),
- o(EXT_texture),
- o(EXT_texture3D),
- o(EXT_texture_object),
- o(EXT_vertex_array),
-
- o(OES_read_format),
- o(OES_standard_derivatives),
-
- /* Vendor Extensions */
- o(APPLE_packed_pixels),
- o(IBM_multimode_draw_arrays),
- o(IBM_rasterpos_clip),
- o(NV_light_max_exponent),
- o(NV_texgen_reflection),
- o(SGIS_generate_mipmap),
- o(SGIS_texture_edge_clamp),
- o(SGIS_texture_lod),
-
- 0,
-};
-
-
-/**
- * Enable all extensions suitable for a software-only renderer.
- * This is a convenience function used by the XMesa, OSMesa, GGI drivers, etc.
- */
-void
-_mesa_enable_sw_extensions(struct gl_context *ctx)
-{
- /*ctx->Extensions.ARB_copy_buffer = GL_TRUE;*/
- ctx->Extensions.ARB_depth_clamp = GL_TRUE;
- ctx->Extensions.ARB_depth_texture = GL_TRUE;
- /*ctx->Extensions.ARB_draw_buffers = GL_TRUE;*/
- ctx->Extensions.ARB_draw_elements_base_vertex = GL_TRUE;
- ctx->Extensions.ARB_draw_instanced = GL_TRUE;
- ctx->Extensions.ARB_explicit_attrib_location = GL_TRUE;
- ctx->Extensions.ARB_fragment_coord_conventions = GL_TRUE;
-#if FEATURE_ARB_fragment_program
- ctx->Extensions.ARB_fragment_program = GL_TRUE;
- ctx->Extensions.ARB_fragment_program_shadow = GL_TRUE;
-#endif
-#if FEATURE_ARB_fragment_shader
- ctx->Extensions.ARB_fragment_shader = GL_TRUE;
-#endif
-#if FEATURE_ARB_framebuffer_object
- ctx->Extensions.ARB_framebuffer_object = GL_TRUE;
-#endif
-#if FEATURE_ARB_geometry_shader4 && 0
- /* XXX re-enable when GLSL compiler again supports geometry shaders */
- ctx->Extensions.ARB_geometry_shader4 = GL_TRUE;
-#endif
- ctx->Extensions.ARB_half_float_pixel = GL_TRUE;
- ctx->Extensions.ARB_half_float_vertex = GL_TRUE;
- ctx->Extensions.ARB_map_buffer_range = GL_TRUE;
- ctx->Extensions.ARB_multitexture = GL_TRUE;
-#if FEATURE_queryobj
- ctx->Extensions.ARB_occlusion_query = GL_TRUE;
- ctx->Extensions.ARB_occlusion_query2 = GL_TRUE;
-#endif
- ctx->Extensions.ARB_point_sprite = GL_TRUE;
-#if FEATURE_ARB_shader_objects
- ctx->Extensions.ARB_shader_objects = GL_TRUE;
- ctx->Extensions.EXT_separate_shader_objects = GL_TRUE;
-#endif
-#if FEATURE_ARB_shading_language_100
- ctx->Extensions.ARB_shading_language_100 = GL_TRUE;
-#endif
- ctx->Extensions.ARB_shadow = GL_TRUE;
- ctx->Extensions.ARB_shadow_ambient = GL_TRUE;
- ctx->Extensions.ARB_texture_border_clamp = GL_TRUE;
- ctx->Extensions.ARB_texture_cube_map = GL_TRUE;
- ctx->Extensions.ARB_texture_env_combine = GL_TRUE;
- ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE;
- ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE;
- /*ctx->Extensions.ARB_texture_float = GL_TRUE;*/
- ctx->Extensions.ARB_texture_mirrored_repeat = GL_TRUE;
- ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE;
- ctx->Extensions.ARB_texture_rg = GL_TRUE;
- ctx->Extensions.ARB_texture_compression_rgtc = GL_TRUE;
- ctx->Extensions.ARB_vertex_array_object = GL_TRUE;
-#if FEATURE_ARB_vertex_program
- ctx->Extensions.ARB_vertex_program = GL_TRUE;
-#endif
-#if FEATURE_ARB_vertex_shader
- ctx->Extensions.ARB_vertex_shader = GL_TRUE;
-#endif
-#if FEATURE_ARB_vertex_buffer_object
- /*ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE;*/
-#endif
-#if FEATURE_ARB_sync
- ctx->Extensions.ARB_sync = GL_TRUE;
-#endif
- ctx->Extensions.APPLE_vertex_array_object = GL_TRUE;
-#if FEATURE_APPLE_object_purgeable
- ctx->Extensions.APPLE_object_purgeable = GL_TRUE;
-#endif
- ctx->Extensions.ATI_envmap_bumpmap = GL_TRUE;
-#if FEATURE_ATI_fragment_shader
- ctx->Extensions.ATI_fragment_shader = GL_TRUE;
-#endif
- ctx->Extensions.ATI_texture_compression_3dc = GL_TRUE;
- ctx->Extensions.ATI_texture_env_combine3 = GL_TRUE;
- ctx->Extensions.ATI_texture_mirror_once = GL_TRUE;
- ctx->Extensions.ATI_separate_stencil = GL_TRUE;
- ctx->Extensions.EXT_blend_color = GL_TRUE;
- ctx->Extensions.EXT_blend_equation_separate = GL_TRUE;
- ctx->Extensions.EXT_blend_func_separate = GL_TRUE;
- ctx->Extensions.EXT_blend_logic_op = GL_TRUE;
- ctx->Extensions.EXT_blend_minmax = GL_TRUE;
- ctx->Extensions.EXT_blend_subtract = GL_TRUE;
- ctx->Extensions.EXT_depth_bounds_test = GL_TRUE;
- ctx->Extensions.EXT_draw_buffers2 = GL_TRUE;
- ctx->Extensions.EXT_fog_coord = GL_TRUE;
-#if FEATURE_EXT_framebuffer_object
- ctx->Extensions.EXT_framebuffer_object = GL_TRUE;
-#endif
-#if FEATURE_EXT_framebuffer_blit
- ctx->Extensions.EXT_framebuffer_blit = GL_TRUE;
-#endif
-#if FEATURE_ARB_framebuffer_object
- ctx->Extensions.EXT_framebuffer_multisample = GL_TRUE;
-#endif
- /*ctx->Extensions.EXT_multi_draw_arrays = GL_TRUE;*/
- ctx->Extensions.EXT_packed_depth_stencil = GL_TRUE;
- ctx->Extensions.EXT_paletted_texture = GL_TRUE;
-#if FEATURE_EXT_pixel_buffer_object
- ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE;
-#endif
- ctx->Extensions.EXT_point_parameters = GL_TRUE;
- ctx->Extensions.EXT_provoking_vertex = GL_TRUE;
- ctx->Extensions.EXT_shadow_funcs = GL_TRUE;
- ctx->Extensions.EXT_secondary_color = GL_TRUE;
- ctx->Extensions.EXT_shared_texture_palette = GL_TRUE;
- ctx->Extensions.EXT_stencil_wrap = GL_TRUE;
- ctx->Extensions.EXT_stencil_two_side = GL_TRUE;
- ctx->Extensions.EXT_texture_array = GL_TRUE;
- ctx->Extensions.EXT_texture_compression_latc = GL_TRUE;
- ctx->Extensions.EXT_texture_env_add = GL_TRUE;
- ctx->Extensions.EXT_texture_env_combine = GL_TRUE;
- ctx->Extensions.EXT_texture_env_dot3 = GL_TRUE;
- ctx->Extensions.EXT_texture_mirror_clamp = GL_TRUE;
- ctx->Extensions.EXT_texture_lod_bias = GL_TRUE;
-#if FEATURE_EXT_texture_sRGB
- ctx->Extensions.EXT_texture_sRGB = GL_TRUE;
- ctx->Extensions.EXT_texture_sRGB_decode = GL_TRUE;
-#endif
- ctx->Extensions.EXT_texture_swizzle = GL_TRUE;
-#if FEATURE_EXT_transform_feedback
- /*ctx->Extensions.EXT_transform_feedback = GL_TRUE;*/
-#endif
- ctx->Extensions.EXT_vertex_array_bgra = GL_TRUE;
- /*ctx->Extensions.IBM_multimode_draw_arrays = GL_TRUE;*/
- ctx->Extensions.MESA_pack_invert = GL_TRUE;
- ctx->Extensions.MESA_resize_buffers = GL_TRUE;
- ctx->Extensions.MESA_texture_array = GL_TRUE;
- ctx->Extensions.MESA_ycbcr_texture = GL_TRUE;
- ctx->Extensions.NV_blend_square = GL_TRUE;
- ctx->Extensions.NV_conditional_render = GL_TRUE;
- /*ctx->Extensions.NV_light_max_exponent = GL_TRUE;*/
- ctx->Extensions.NV_point_sprite = GL_TRUE;
- ctx->Extensions.NV_texture_env_combine4 = GL_TRUE;
- ctx->Extensions.NV_texture_rectangle = GL_TRUE;
- /*ctx->Extensions.NV_texgen_reflection = GL_TRUE;*/
-#if FEATURE_NV_vertex_program
- ctx->Extensions.NV_vertex_program = GL_TRUE;
- ctx->Extensions.NV_vertex_program1_1 = GL_TRUE;
-#endif
-#if FEATURE_NV_fragment_program
- ctx->Extensions.NV_fragment_program = GL_TRUE;
-#endif
-#if FEATURE_NV_fragment_program && FEATURE_ARB_fragment_program
- ctx->Extensions.NV_fragment_program_option = GL_TRUE;
-#endif
- /*ctx->Extensions.SGIS_generate_mipmap = GL_TRUE;*/
- ctx->Extensions.SGIS_texture_edge_clamp = GL_TRUE;
-#if FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program
- ctx->Extensions.EXT_gpu_program_parameters = GL_TRUE;
-#endif
-#if FEATURE_texture_fxt1
- _mesa_enable_extension(ctx, "GL_3DFX_texture_compression_FXT1");
-#endif
-#if FEATURE_texture_s3tc
- if (ctx->Mesa_DXTn) {
- _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");
- _mesa_enable_extension(ctx, "GL_S3_s3tc");
- }
-#endif
-}
-
-
-/**
- * Enable common EXT extensions in the ARB_imaging subset.
- */
-void
-_mesa_enable_imaging_extensions(struct gl_context *ctx)
-{
- ctx->Extensions.EXT_blend_color = GL_TRUE;
- ctx->Extensions.EXT_blend_logic_op = GL_TRUE;
- ctx->Extensions.EXT_blend_minmax = GL_TRUE;
- ctx->Extensions.EXT_blend_subtract = GL_TRUE;
-}
-
-
-
-/**
- * Enable all OpenGL 1.3 features and extensions.
- * A convenience function to be called by drivers.
- */
-void
-_mesa_enable_1_3_extensions(struct gl_context *ctx)
-{
- /*ctx->Extensions.ARB_multisample = GL_TRUE;*/
- ctx->Extensions.ARB_multitexture = GL_TRUE;
- ctx->Extensions.ARB_texture_border_clamp = GL_TRUE;
- /*ctx->Extensions.ARB_texture_compression = GL_TRUE;*/
- ctx->Extensions.ARB_texture_cube_map = GL_TRUE;
- ctx->Extensions.ARB_texture_env_combine = GL_TRUE;
- ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE;
- ctx->Extensions.EXT_texture_env_add = GL_TRUE;
- /*ctx->Extensions.ARB_transpose_matrix = GL_TRUE;*/
-}
-
-
-
-/**
- * Enable all OpenGL 1.4 features and extensions.
- * A convenience function to be called by drivers.
- */
-void
-_mesa_enable_1_4_extensions(struct gl_context *ctx)
-{
- ctx->Extensions.ARB_depth_texture = GL_TRUE;
- ctx->Extensions.ARB_shadow = GL_TRUE;
- ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE;
- ctx->Extensions.ARB_texture_mirrored_repeat = GL_TRUE;
- ctx->Extensions.ARB_window_pos = GL_TRUE;
- ctx->Extensions.EXT_blend_color = GL_TRUE;
- ctx->Extensions.EXT_blend_func_separate = GL_TRUE;
- ctx->Extensions.EXT_blend_minmax = GL_TRUE;
- ctx->Extensions.EXT_blend_subtract = GL_TRUE;
- ctx->Extensions.EXT_fog_coord = GL_TRUE;
- /*ctx->Extensions.EXT_multi_draw_arrays = GL_TRUE;*/
- ctx->Extensions.EXT_point_parameters = GL_TRUE;
- ctx->Extensions.EXT_secondary_color = GL_TRUE;
- ctx->Extensions.EXT_stencil_wrap = GL_TRUE;
- ctx->Extensions.EXT_texture_lod_bias = GL_TRUE;
- /*ctx->Extensions.SGIS_generate_mipmap = GL_TRUE;*/
-}
-
-
-/**
- * Enable all OpenGL 1.5 features and extensions.
- * A convenience function to be called by drivers.
- */
-void
-_mesa_enable_1_5_extensions(struct gl_context *ctx)
-{
- ctx->Extensions.ARB_occlusion_query = GL_TRUE;
- /*ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE;*/
- ctx->Extensions.EXT_shadow_funcs = GL_TRUE;
-}
-
-
-/**
- * Enable all OpenGL 2.0 features and extensions.
- * A convenience function to be called by drivers.
- */
-void
-_mesa_enable_2_0_extensions(struct gl_context *ctx)
-{
- /*ctx->Extensions.ARB_draw_buffers = GL_TRUE;*/
-#if FEATURE_ARB_fragment_shader
- ctx->Extensions.ARB_fragment_shader = GL_TRUE;
-#endif
- ctx->Extensions.ARB_point_sprite = GL_TRUE;
- ctx->Extensions.EXT_blend_equation_separate = GL_TRUE;
- ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE;
-#if FEATURE_ARB_shader_objects
- ctx->Extensions.ARB_shader_objects = GL_TRUE;
-#endif
-#if FEATURE_ARB_shading_language_100
- ctx->Extensions.ARB_shading_language_100 = GL_TRUE;
-#endif
- ctx->Extensions.EXT_stencil_two_side = GL_TRUE;
-#if FEATURE_ARB_vertex_shader
- ctx->Extensions.ARB_vertex_shader = GL_TRUE;
-#endif
-}
-
-
-/**
- * Enable all OpenGL 2.1 features and extensions.
- * A convenience function to be called by drivers.
- */
-void
-_mesa_enable_2_1_extensions(struct gl_context *ctx)
-{
-#if FEATURE_EXT_pixel_buffer_object
- ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE;
-#endif
-#if FEATURE_EXT_texture_sRGB
- ctx->Extensions.EXT_texture_sRGB = GL_TRUE;
-#endif
-}
-
-
-/**
- * Either enable or disable the named extension.
- * \return GL_TRUE for success, GL_FALSE if invalid extension name
- */
-static GLboolean
-set_extension( struct gl_context *ctx, const char *name, GLboolean state )
-{
- size_t offset;
-
- if (ctx->Extensions.String) {
- /* The string was already queried - can't change it now! */
- _mesa_problem(ctx, "Trying to enable/disable extension after glGetString(GL_EXTENSIONS): %s", name);
- return GL_FALSE;
- }
-
- offset = name_to_offset(name);
- if (offset == 0) {
- _mesa_problem(ctx, "Trying to enable/disable unknown extension %s",
- name);
- return GL_FALSE;
- } else if (offset == o(dummy_true) && state == GL_FALSE) {
- _mesa_problem(ctx, "Trying to disable a permanently enabled extension: "
- "%s", name);
- return GL_FALSE;
- } else {
- GLboolean *base = (GLboolean *) &ctx->Extensions;
- base[offset] = state;
- return GL_TRUE;
- }
-}
-
-
-/**
- * Enable the named extension.
- * Typically called by drivers.
- */
-void
-_mesa_enable_extension( struct gl_context *ctx, const char *name )
-{
- if (!set_extension(ctx, name, GL_TRUE))
- _mesa_problem(ctx, "Trying to enable unknown extension: %s", name);
-}
-
-
-/**
- * Disable the named extension.
- * XXX is this really needed???
- */
-void
-_mesa_disable_extension( struct gl_context *ctx, const char *name )
-{
- if (!set_extension(ctx, name, GL_FALSE))
- _mesa_problem(ctx, "Trying to disable unknown extension: %s", name);
-}
-
-
-/**
- * Test if the named extension is enabled in this context.
- */
-GLboolean
-_mesa_extension_is_enabled( struct gl_context *ctx, const char *name )
-{
- size_t offset;
- GLboolean *base;
-
- if (name == 0)
- return GL_FALSE;
-
- offset = name_to_offset(name);
- if (offset == 0)
- return GL_FALSE;
- base = (GLboolean *) &ctx->Extensions;
- return base[offset];
-}
-
-
-/**
- * \brief Apply the \c MESA_EXTENSION_OVERRIDE environment variable.
- *
- * \c MESA_EXTENSION_OVERRIDE is a space-separated list of extensions to
- * enable or disable. The list is processed thus:
- * - Enable recognized extension names that are prefixed with '+'.
- * - Disable recognized extension names that are prefixed with '-'.
- * - Enable recognized extension names that are not prefixed.
- * - Collect unrecognized extension names in a new string.
- *
- * \return Space-separated list of unrecognized extension names (which must
- * be freed). Does not return \c NULL.
- */
-static char *
-get_extension_override( struct gl_context *ctx )
-{
- const char *env_const = _mesa_getenv("MESA_EXTENSION_OVERRIDE");
- char *env;
- char *ext;
- char *extra_exts;
- int len;
-
- if (env_const == NULL) {
- /* Return the empty string rather than NULL. This simplifies the logic
- * of client functions. */
- return calloc(1, sizeof(char));
- }
-
- /* extra_exts: List of unrecognized extensions. */
- extra_exts = calloc(strlen(env_const), sizeof(char));
-
- /* Copy env_const because strtok() is destructive. */
- env = strdup(env_const);
- for (ext = strtok(env, " "); ext != NULL; ext = strtok(NULL, " ")) {
- int enable;
- int recognized;
- switch (ext[0]) {
- case '+':
- enable = 1;
- ++ext;
- break;
- case '-':
- enable = 0;
- ++ext;
- break;
- default:
- enable = 1;
- break;
- }
- recognized = set_extension(ctx, ext, enable);
- if (!recognized) {
- strcat(extra_exts, ext);
- strcat(extra_exts, " ");
- }
- }
-
- /* Remove trailing space. */
- len = strlen(extra_exts);
- if (extra_exts[len - 1] == ' ')
- extra_exts[len - 1] = '\0';
-
- return extra_exts;
-}
-
-
-/**
- * \brief Initialize extension tables and enable default extensions.
- *
- * This should be called during context initialization.
- * Note: Sets gl_extensions.dummy_true to true.
- */
-void
-_mesa_init_extensions( struct gl_context *ctx )
-{
- GLboolean *base = (GLboolean *) &ctx->Extensions;
- GLboolean *sentinel = base + o(extension_sentinel);
- GLboolean *i;
- const size_t *j;
-
- /* First, turn all extensions off. */
- for (i = base; i != sentinel; ++i)
- *i = GL_FALSE;
-
- /* Then, selectively turn default extensions on. */
- ctx->Extensions.dummy_true = GL_TRUE;
- for (j = default_extensions; *j != 0; ++j)
- base[*j] = GL_TRUE;
-}
-
-
-typedef unsigned short extension_index;
-
-
-/**
- * Compare two entries of the extensions table. Sorts first by year,
- * then by name.
- *
- * Arguments are indices into extension_table.
- */
-static int
-extension_compare(const void *p1, const void *p2)
-{
- extension_index i1 = * (const extension_index *) p1;
- extension_index i2 = * (const extension_index *) p2;
- const struct extension *e1 = &extension_table[i1];
- const struct extension *e2 = &extension_table[i2];
- int res;
-
- res = (int)e1->year - (int)e2->year;
-
- if (res == 0) {
- res = strcmp(e1->name, e2->name);
- }
-
- return res;
-}
-
-
-/**
- * Construct the GL_EXTENSIONS string. Called the first time that
- * glGetString(GL_EXTENSIONS) is called.
- */
-GLubyte*
-_mesa_make_extension_string(struct gl_context *ctx)
-{
- /* The extension string. */
- char *exts = 0;
- /* Length of extension string. */
- size_t length = 0;
- /* Number of extensions */
- unsigned count;
- /* Indices of the extensions sorted by year */
- extension_index *extension_indices;
- /* String of extra extensions. */
- char *extra_extensions = get_extension_override(ctx);
- GLboolean *base = (GLboolean *) &ctx->Extensions;
- const struct extension *i;
- unsigned j;
- unsigned maxYear = ~0;
-
- /* Check if the MESA_EXTENSION_MAX_YEAR env var is set */
- {
- const char *env = getenv("MESA_EXTENSION_MAX_YEAR");
- if (env) {
- maxYear = atoi(env);
- _mesa_debug(ctx, "Note: limiting GL extensions to %u or earlier\n",
- maxYear);
- }
- }
-
- /* Compute length of the extension string. */
- count = 0;
- for (i = extension_table; i->name != 0; ++i) {
- if (base[i->offset] &&
- i->year <= maxYear &&
- (i->api_set & (1 << ctx->API))) {
- length += strlen(i->name) + 1; /* +1 for space */
- ++count;
- }
- }
- if (extra_extensions != NULL)
- length += 1 + strlen(extra_extensions); /* +1 for space */
-
- exts = (char *) calloc(length + 1, sizeof(char));
- if (exts == NULL) {
- free(extra_extensions);
- return NULL;
- }
-
- extension_indices = malloc(count * sizeof extension_indices);
- if (extension_indices == NULL) {
- free(exts);
- free(extra_extensions);
- return NULL;
- }
-
- /* Sort extensions in chronological order because certain old applications (e.g.,
- * Quake3 demo) store the extension list in a static size buffer so chronologically
- * order ensure that the extensions that such applications expect will fit into
- * that buffer.
- */
- j = 0;
- for (i = extension_table; i->name != 0; ++i) {
- if (base[i->offset] &&
- i->year <= maxYear &&
- (i->api_set & (1 << ctx->API))) {
- extension_indices[j++] = i - extension_table;
- }
- }
- assert(j == count);
- qsort(extension_indices, count, sizeof *extension_indices, extension_compare);
-
- /* Build the extension string.*/
- for (j = 0; j < count; ++j) {
- i = &extension_table[extension_indices[j]];
- assert(base[i->offset] && (i->api_set & (1 << ctx->API)));
- strcat(exts, i->name);
- strcat(exts, " ");
- }
- free(extension_indices);
- if (extra_extensions != 0) {
- strcat(exts, extra_extensions);
- free(extra_extensions);
- }
-
- return (GLubyte *) exts;
-}
-
-/**
- * Return number of enabled extensions.
- */
-GLuint
-_mesa_get_extension_count(struct gl_context *ctx)
-{
- GLboolean *base;
- const struct extension *i;
-
- /* only count once */
- if (ctx->Extensions.Count != 0)
- return ctx->Extensions.Count;
-
- base = (GLboolean *) &ctx->Extensions;
- for (i = extension_table; i->name != 0; ++i) {
- if (base[i->offset]) {
- ctx->Extensions.Count++;
- }
- }
- return ctx->Extensions.Count;
-}
-
-/**
- * Return name of i-th enabled extension
- */
-const GLubyte *
-_mesa_get_enabled_extension(struct gl_context *ctx, GLuint index)
-{
- const GLboolean *base;
- size_t n;
- const struct extension *i;
-
- if (index < 0)
- return NULL;
-
- base = (GLboolean*) &ctx->Extensions;
- n = 0;
- for (i = extension_table; i->name != 0; ++i) {
- if (n == index && base[i->offset]) {
- return (GLubyte*) i->name;
- } else if (base[i->offset]) {
- ++n;
- }
- }
-
- return NULL;
-}
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.6
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/**
+ * \file
+ * \brief Extension handling
+ */
+
+
+#include "glheader.h"
+#include "imports.h"
+#include "context.h"
+#include "extensions.h"
+#include "mfeatures.h"
+#include "mtypes.h"
+
+enum {
+ DISABLE = 0,
+ GL = 1 << API_OPENGL,
+ ES1 = 1 << API_OPENGLES,
+ ES2 = 1 << API_OPENGLES2,
+};
+
+/**
+ * \brief An element of the \c extension_table.
+ */
+struct extension {
+ /** Name of extension, such as "GL_ARB_depth_clamp". */
+ const char *name;
+
+ /** Offset (in bytes) of the corresponding member in struct gl_extensions. */
+ size_t offset;
+
+ /** Set of API's in which the extension exists, as a bitset. */
+ uint8_t api_set;
+
+ /** Year the extension was proposed or approved. Used to sort the
+ * extension string chronologically. */
+ uint16_t year;
+};
+
+
+/**
+ * Given a member \c x of struct gl_extensions, return offset of
+ * \c x in bytes.
+ */
+#define o(x) offsetof(struct gl_extensions, x)
+
+
+/**
+ * \brief Table of supported OpenGL extensions for all API's.
+ *
+ * Note: The GL_MESAX_* extensions are placeholders for future ARB extensions.
+ */
+static const struct extension extension_table[] = {
+ /* ARB Extensions */
+ { "GL_ARB_ES2_compatibility", o(ARB_ES2_compatibility), GL, 2009 },
+ { "GL_ARB_blend_func_extended", o(ARB_blend_func_extended), GL, 2009 },
+ { "GL_ARB_copy_buffer", o(ARB_copy_buffer), GL, 2008 },
+ { "GL_ARB_depth_buffer_float", o(ARB_depth_buffer_float), GL, 2008 },
+ { "GL_ARB_depth_clamp", o(ARB_depth_clamp), GL, 2003 },
+ { "GL_ARB_depth_texture", o(ARB_depth_texture), GL, 2001 },
+ { "GL_ARB_draw_buffers", o(ARB_draw_buffers), GL, 2002 },
+ { "GL_ARB_draw_buffers_blend", o(ARB_draw_buffers_blend), GL, 2009 },
+ { "GL_ARB_draw_elements_base_vertex", o(ARB_draw_elements_base_vertex), GL, 2009 },
+ { "GL_ARB_draw_instanced", o(ARB_draw_instanced), GL, 2008 },
+ { "GL_ARB_explicit_attrib_location", o(ARB_explicit_attrib_location), GL, 2009 },
+ { "GL_ARB_fragment_coord_conventions", o(ARB_fragment_coord_conventions), GL, 2009 },
+ { "GL_ARB_fragment_program", o(ARB_fragment_program), GL, 2002 },
+ { "GL_ARB_fragment_program_shadow", o(ARB_fragment_program_shadow), GL, 2003 },
+ { "GL_ARB_fragment_shader", o(ARB_fragment_shader), GL, 2002 },
+ { "GL_ARB_framebuffer_object", o(ARB_framebuffer_object), GL, 2005 },
+ { "GL_ARB_framebuffer_sRGB", o(EXT_framebuffer_sRGB), GL, 1998 },
+ { "GL_ARB_half_float_pixel", o(ARB_half_float_pixel), GL, 2003 },
+ { "GL_ARB_half_float_vertex", o(ARB_half_float_vertex), GL, 2008 },
+ { "GL_ARB_instanced_arrays", o(ARB_instanced_arrays), GL, 2008 },
+ { "GL_ARB_map_buffer_range", o(ARB_map_buffer_range), GL, 2008 },
+ { "GL_ARB_multisample", o(ARB_multisample), GL, 1994 },
+ { "GL_ARB_multitexture", o(ARB_multitexture), GL, 1998 },
+ { "GL_ARB_occlusion_query2", o(ARB_occlusion_query2), GL, 2003 },
+ { "GL_ARB_occlusion_query", o(ARB_occlusion_query), GL, 2001 },
+ { "GL_ARB_pixel_buffer_object", o(EXT_pixel_buffer_object), GL, 2004 },
+ { "GL_ARB_point_parameters", o(EXT_point_parameters), GL, 1997 },
+ { "GL_ARB_point_sprite", o(ARB_point_sprite), GL, 2003 },
+ { "GL_ARB_provoking_vertex", o(EXT_provoking_vertex), GL, 2009 },
+ { "GL_ARB_sampler_objects", o(ARB_sampler_objects), GL, 2009 },
+ { "GL_ARB_seamless_cube_map", o(ARB_seamless_cube_map), GL, 2009 },
+ { "GL_ARB_shader_objects", o(ARB_shader_objects), GL, 2002 },
+ { "GL_ARB_shader_stencil_export", o(ARB_shader_stencil_export), GL, 2009 },
+ { "GL_ARB_shading_language_100", o(ARB_shading_language_100), GL, 2003 },
+ { "GL_ARB_shadow_ambient", o(ARB_shadow_ambient), GL, 2001 },
+ { "GL_ARB_shadow", o(ARB_shadow), GL, 2001 },
+ { "GL_ARB_sync", o(ARB_sync), GL, 2003 },
+ { "GL_ARB_texture_border_clamp", o(ARB_texture_border_clamp), GL, 2000 },
+ { "GL_ARB_texture_buffer_object", o(ARB_texture_buffer_object), GL, 2008 },
+ { "GL_ARB_texture_compression", o(ARB_texture_compression), GL, 2000 },
+ { "GL_ARB_texture_compression_rgtc", o(ARB_texture_compression_rgtc), GL, 2004 },
+ { "GL_ARB_texture_cube_map", o(ARB_texture_cube_map), GL, 1999 },
+ { "GL_ARB_texture_env_add", o(EXT_texture_env_add), GL, 1999 },
+ { "GL_ARB_texture_env_combine", o(ARB_texture_env_combine), GL, 2001 },
+ { "GL_ARB_texture_env_crossbar", o(ARB_texture_env_crossbar), GL, 2001 },
+ { "GL_ARB_texture_env_dot3", o(ARB_texture_env_dot3), GL, 2001 },
+ { "GL_ARB_texture_mirrored_repeat", o(ARB_texture_mirrored_repeat), GL, 2001 },
+ { "GL_ARB_texture_multisample", o(ARB_texture_multisample), GL, 2009 },
+ { "GL_ARB_texture_non_power_of_two", o(ARB_texture_non_power_of_two), GL, 2003 },
+ { "GL_ARB_texture_rectangle", o(NV_texture_rectangle), GL, 2004 },
+ { "GL_ARB_texture_rgb10_a2ui", o(ARB_texture_rgb10_a2ui), GL, 2009 },
+ { "GL_ARB_texture_rg", o(ARB_texture_rg), GL, 2008 },
+ { "GL_ARB_texture_swizzle", o(EXT_texture_swizzle), GL, 2008 },
+ { "GL_ARB_transform_feedback2", o(ARB_transform_feedback2), GL, 2010 },
+ { "GL_ARB_transpose_matrix", o(ARB_transpose_matrix), GL, 1999 },
+ { "GL_ARB_uniform_buffer_object", o(ARB_uniform_buffer_object), GL, 2002 },
+ { "GL_ARB_vertex_array_bgra", o(EXT_vertex_array_bgra), GL, 2008 },
+ { "GL_ARB_vertex_array_object", o(ARB_vertex_array_object), GL, 2006 },
+ { "GL_ARB_vertex_buffer_object", o(ARB_vertex_buffer_object), GL, 2003 },
+ { "GL_ARB_vertex_program", o(ARB_vertex_program), GL, 2002 },
+ { "GL_ARB_vertex_shader", o(ARB_vertex_shader), GL, 2002 },
+ { "GL_ARB_vertex_type_2_10_10_10_rev", o(ARB_vertex_type_2_10_10_10_rev), GL, 2009 },
+ { "GL_ARB_window_pos", o(ARB_window_pos), GL, 2001 },
+
+ /* EXT extensions */
+ { "GL_EXT_abgr", o(EXT_abgr), GL, 1995 },
+ { "GL_EXT_bgra", o(EXT_bgra), GL, 1995 },
+ { "GL_EXT_blend_color", o(EXT_blend_color), GL, 1995 },
+ { "GL_EXT_blend_equation_separate", o(EXT_blend_equation_separate), GL, 2003 },
+ { "GL_EXT_blend_func_separate", o(EXT_blend_func_separate), GL, 1999 },
+ { "GL_EXT_blend_logic_op", o(EXT_blend_logic_op), GL, 1995 },
+ { "GL_EXT_blend_minmax", o(EXT_blend_minmax), GL | ES1 | ES2, 1995 },
+ { "GL_EXT_blend_subtract", o(EXT_blend_subtract), GL, 1995 },
+ { "GL_EXT_clip_volume_hint", o(EXT_clip_volume_hint), GL, 1996 },
+ { "GL_EXT_compiled_vertex_array", o(EXT_compiled_vertex_array), GL, 1996 },
+ { "GL_EXT_copy_texture", o(EXT_copy_texture), GL, 1995 },
+ { "GL_EXT_depth_bounds_test", o(EXT_depth_bounds_test), GL, 2002 },
+ { "GL_EXT_draw_buffers2", o(EXT_draw_buffers2), GL, 2006 },
+ { "GL_EXT_draw_instanced", o(ARB_draw_instanced), GL, 2006 },
+ { "GL_EXT_draw_range_elements", o(EXT_draw_range_elements), GL, 1997 },
+ { "GL_EXT_fog_coord", o(EXT_fog_coord), GL, 1999 },
+ { "GL_EXT_framebuffer_blit", o(EXT_framebuffer_blit), GL, 2005 },
+ { "GL_EXT_framebuffer_multisample", o(EXT_framebuffer_multisample), GL, 2005 },
+ { "GL_EXT_framebuffer_object", o(EXT_framebuffer_object), GL, 2000 },
+ { "GL_EXT_framebuffer_sRGB", o(EXT_framebuffer_sRGB), GL, 1998 },
+ { "GL_EXT_gpu_program_parameters", o(EXT_gpu_program_parameters), GL, 2006 },
+ { "GL_EXT_gpu_shader4", o(EXT_gpu_shader4), GL, 2006 },
+ { "GL_EXT_multi_draw_arrays", o(EXT_multi_draw_arrays), GL | ES1 | ES2, 1999 },
+ { "GL_EXT_packed_depth_stencil", o(EXT_packed_depth_stencil), GL, 2005 },
+ { "GL_EXT_packed_float", o(EXT_packed_float), GL, 2004 },
+ { "GL_EXT_packed_pixels", o(EXT_packed_pixels), GL, 1997 },
+ { "GL_EXT_paletted_texture", o(EXT_paletted_texture), GL, 1995 },
+ { "GL_EXT_pixel_buffer_object", o(EXT_pixel_buffer_object), GL, 2004 },
+ { "GL_EXT_point_parameters", o(EXT_point_parameters), GL, 1997 },
+ { "GL_EXT_polygon_offset", o(EXT_polygon_offset), GL, 1995 },
+ { "GL_EXT_provoking_vertex", o(EXT_provoking_vertex), GL, 2009 },
+ { "GL_EXT_rescale_normal", o(EXT_rescale_normal), GL, 1997 },
+ { "GL_EXT_secondary_color", o(EXT_secondary_color), GL, 1999 },
+ { "GL_EXT_separate_shader_objects", o(EXT_separate_shader_objects), GL, 2008 },
+ { "GL_EXT_separate_specular_color", o(EXT_separate_specular_color), GL, 1997 },
+ { "GL_EXT_shadow_funcs", o(EXT_shadow_funcs), GL, 2002 },
+ { "GL_EXT_shared_texture_palette", o(EXT_shared_texture_palette), GL, 2000 },
+ { "GL_EXT_stencil_two_side", o(EXT_stencil_two_side), GL, 2001 },
+ { "GL_EXT_stencil_wrap", o(EXT_stencil_wrap), GL, 2002 },
+ { "GL_EXT_subtexture", o(EXT_subtexture), GL, 1995 },
+ { "GL_EXT_texture3D", o(EXT_texture3D), GL, 1996 },
+ { "GL_EXT_texture_array", o(EXT_texture_array), GL, 2006 },
+ { "GL_EXT_texture_compression_dxt1", o(EXT_texture_compression_s3tc), GL | ES1 | ES2, 2004 },
+ { "GL_EXT_texture_compression_latc", o(EXT_texture_compression_latc), GL, 2006 },
+ { "GL_EXT_texture_compression_rgtc", o(ARB_texture_compression_rgtc), GL, 2004 },
+ { "GL_EXT_texture_compression_s3tc", o(EXT_texture_compression_s3tc), GL, 2000 },
+ { "GL_EXT_texture_cube_map", o(ARB_texture_cube_map), GL, 2001 },
+ { "GL_EXT_texture_edge_clamp", o(SGIS_texture_edge_clamp), GL, 1997 },
+ { "GL_EXT_texture_env_add", o(EXT_texture_env_add), GL, 1999 },
+ { "GL_EXT_texture_env_combine", o(EXT_texture_env_combine), GL, 2006 },
+ { "GL_EXT_texture_env_dot3", o(EXT_texture_env_dot3), GL, 2000 },
+ { "GL_EXT_texture_filter_anisotropic", o(EXT_texture_filter_anisotropic), GL | ES1 | ES2, 1999 },
+ { "GL_EXT_texture_format_BGRA8888", o(EXT_texture_format_BGRA8888), ES1 | ES2, 2009 },
+ { "GL_EXT_texture_integer", o(EXT_texture_integer), GL, 2006 },
+ { "GL_EXT_texture_lod_bias", o(EXT_texture_lod_bias), GL | ES1, 1999 },
+ { "GL_EXT_texture_mirror_clamp", o(EXT_texture_mirror_clamp), GL, 2004 },
+ { "GL_EXT_texture_object", o(EXT_texture_object), GL, 1995 },
+ { "GL_EXT_texture", o(EXT_texture), GL, 1996 },
+ { "GL_EXT_texture_rectangle", o(NV_texture_rectangle), GL, 2004 },
+ { "GL_EXT_texture_shared_exponent", o(EXT_texture_shared_exponent), GL, 2004 },
+ { "GL_EXT_texture_sRGB", o(EXT_texture_sRGB), GL, 2004 },
+ { "GL_EXT_texture_sRGB_decode", o(EXT_texture_sRGB_decode), GL, 2006 },
+ { "GL_EXT_texture_swizzle", o(EXT_texture_swizzle), GL, 2008 },
+ { "GL_EXT_texture_type_2_10_10_10_REV", o(dummy_true), ES2, 2008 },
+ { "GL_EXT_timer_query", o(EXT_timer_query), GL, 2006 },
+ { "GL_EXT_transform_feedback", o(EXT_transform_feedback), GL, 2011 },
+ { "GL_EXT_vertex_array_bgra", o(EXT_vertex_array_bgra), GL, 2008 },
+ { "GL_EXT_vertex_array", o(EXT_vertex_array), GL, 1995 },
+ { "GL_EXT_vertex_array_set", o(EXT_vertex_array_set), GL, 1997 },
+
+ /* OES extensions */
+ { "GL_OES_blend_equation_separate", o(EXT_blend_equation_separate), ES1, 2009 },
+ { "GL_OES_blend_func_separate", o(EXT_blend_func_separate), ES1, 2009 },
+ { "GL_OES_blend_subtract", o(EXT_blend_subtract), ES1, 2009 },
+ { "GL_OES_byte_coordinates", o(dummy_true), ES1, 2002 },
+ { "GL_OES_compressed_paletted_texture", o(dummy_false), DISABLE, 2003 },
+ { "GL_OES_depth24", o(EXT_framebuffer_object), ES1 | ES2, 2005 },
+ { "GL_OES_depth32", o(dummy_false), DISABLE, 2005 },
+ { "GL_OES_depth_texture", o(ARB_depth_texture), ES2, 2006 },
+#if FEATURE_OES_draw_texture
+ { "GL_OES_draw_texture", o(OES_draw_texture), ES1 | ES2, 2004 },
+#endif
+#if FEATURE_OES_EGL_image
+ /* FIXME: Mesa expects GL_OES_EGL_image to be available in OpenGL contexts. */
+ { "GL_OES_EGL_image", o(OES_EGL_image), GL | ES1 | ES2, 2006 },
+#endif
+ { "GL_OES_element_index_uint", o(EXT_vertex_array), ES1 | ES2, 2005 },
+ { "GL_OES_fbo_render_mipmap", o(EXT_framebuffer_object), ES1 | ES2, 2005 },
+ { "GL_OES_fixed_point", o(dummy_true), ES1, 2002 },
+ { "GL_OES_framebuffer_object", o(EXT_framebuffer_object), ES1, 2005 },
+ { "GL_OES_mapbuffer", o(ARB_vertex_buffer_object), ES1 | ES2, 2005 },
+ { "GL_OES_matrix_get", o(dummy_true), ES1, 2004 },
+ { "GL_OES_packed_depth_stencil", o(EXT_packed_depth_stencil), ES1 | ES2, 2007 },
+ { "GL_OES_point_size_array", o(dummy_true), ES1, 2004 },
+ { "GL_OES_point_sprite", o(ARB_point_sprite), ES1, 2004 },
+ { "GL_OES_query_matrix", o(dummy_true), ES1, 2003 },
+ { "GL_OES_read_format", o(OES_read_format), GL | ES1, 2003 },
+ { "GL_OES_rgb8_rgba8", o(EXT_framebuffer_object), ES1 | ES2, 2005 },
+ { "GL_OES_single_precision", o(dummy_true), ES1, 2003 },
+ { "GL_OES_standard_derivatives", o(OES_standard_derivatives), ES2, 2005 },
+ { "GL_OES_stencil1", o(dummy_false), DISABLE, 2005 },
+ { "GL_OES_stencil4", o(dummy_false), DISABLE, 2005 },
+ { "GL_OES_stencil8", o(EXT_framebuffer_object), ES1 | ES2, 2005 },
+ { "GL_OES_stencil_wrap", o(EXT_stencil_wrap), ES1, 2002 },
+ { "GL_OES_texture_3D", o(EXT_texture3D), ES2, 2005 },
+ { "GL_OES_texture_cube_map", o(ARB_texture_cube_map), ES1, 2007 },
+ { "GL_OES_texture_env_crossbar", o(ARB_texture_env_crossbar), ES1, 2005 },
+ { "GL_OES_texture_mirrored_repeat", o(ARB_texture_mirrored_repeat), ES1, 2005 },
+ { "GL_OES_texture_npot", o(ARB_texture_non_power_of_two), ES2, 2005 },
+
+ /* Vendor extensions */
+ { "GL_3DFX_texture_compression_FXT1", o(TDFX_texture_compression_FXT1), GL, 1999 },
+ { "GL_AMD_conservative_depth", o(AMD_conservative_depth), GL, 2009 },
+ { "GL_APPLE_client_storage", o(APPLE_client_storage), GL, 2002 },
+ { "GL_APPLE_object_purgeable", o(APPLE_object_purgeable), GL, 2006 },
+ { "GL_APPLE_packed_pixels", o(APPLE_packed_pixels), GL, 2002 },
+ { "GL_APPLE_vertex_array_object", o(APPLE_vertex_array_object), GL, 2002 },
+ { "GL_ATI_blend_equation_separate", o(EXT_blend_equation_separate), GL, 2003 },
+ { "GL_ATI_envmap_bumpmap", o(ATI_envmap_bumpmap), GL, 2001 },
+ { "GL_ATI_fragment_shader", o(ATI_fragment_shader), GL, 2001 },
+ { "GL_ATI_separate_stencil", o(ATI_separate_stencil), GL, 2006 },
+ { "GL_ATI_texture_compression_3dc", o(ATI_texture_compression_3dc), GL, 2004 },
+ { "GL_ATI_texture_env_combine3", o(ATI_texture_env_combine3), GL, 2002 },
+ { "GL_ATI_texture_mirror_once", o(ATI_texture_mirror_once), GL, 2006 },
+ { "GL_IBM_multimode_draw_arrays", o(IBM_multimode_draw_arrays), GL, 1998 },
+ { "GL_IBM_rasterpos_clip", o(IBM_rasterpos_clip), GL, 1996 },
+ { "GL_IBM_texture_mirrored_repeat", o(ARB_texture_mirrored_repeat), GL, 1998 },
+ { "GL_INGR_blend_func_separate", o(EXT_blend_func_separate), GL, 1999 },
+ { "GL_MESA_pack_invert", o(MESA_pack_invert), GL, 2002 },
+ { "GL_MESA_resize_buffers", o(MESA_resize_buffers), GL, 1999 },
+ { "GL_MESA_texture_array", o(MESA_texture_array), GL, 2007 },
+ { "GL_MESA_texture_signed_rgba", o(MESA_texture_signed_rgba), GL, 2009 },
+ { "GL_MESA_window_pos", o(ARB_window_pos), GL, 2000 },
+ { "GL_MESAX_texture_float", o(ARB_texture_float), GL, 2009 },
+ { "GL_MESA_ycbcr_texture", o(MESA_ycbcr_texture), GL, 2002 },
+ { "GL_NV_blend_square", o(NV_blend_square), GL, 1999 },
+ { "GL_NV_conditional_render", o(NV_conditional_render), GL, 2008 },
+ { "GL_NV_depth_clamp", o(ARB_depth_clamp), GL, 2001 },
+ { "GL_NV_fragment_program", o(NV_fragment_program), GL, 2001 },
+ { "GL_NV_fragment_program_option", o(NV_fragment_program_option), GL, 2005 },
+ { "GL_NV_light_max_exponent", o(NV_light_max_exponent), GL, 1999 },
+ { "GL_NV_packed_depth_stencil", o(EXT_packed_depth_stencil), GL, 2000 },
+ { "GL_NV_point_sprite", o(NV_point_sprite), GL, 2001 },
+ { "GL_NV_primitive_restart", o(NV_primitive_restart), GL, 2002 },
+ { "GL_NV_texgen_reflection", o(NV_texgen_reflection), GL, 1999 },
+ { "GL_NV_texture_barrier", o(NV_texture_barrier), GL, 2009 },
+ { "GL_NV_texture_env_combine4", o(NV_texture_env_combine4), GL, 1999 },
+ { "GL_NV_texture_rectangle", o(NV_texture_rectangle), GL, 2000 },
+ { "GL_NV_vertex_program1_1", o(NV_vertex_program1_1), GL, 2001 },
+ { "GL_NV_vertex_program", o(NV_vertex_program), GL, 2000 },
+ { "GL_S3_s3tc", o(S3_s3tc), GL, 1999 },
+ { "GL_SGIS_generate_mipmap", o(SGIS_generate_mipmap), GL, 1997 },
+ { "GL_SGIS_texture_border_clamp", o(ARB_texture_border_clamp), GL, 1997 },
+ { "GL_SGIS_texture_edge_clamp", o(SGIS_texture_edge_clamp), GL, 1997 },
+ { "GL_SGIS_texture_lod", o(SGIS_texture_lod), GL, 1997 },
+ { "GL_SUN_multi_draw_arrays", o(EXT_multi_draw_arrays), GL, 1999 },
+
+ { 0, 0, 0, 0 },
+};
+
+
+/**
+ * Given an extension name, lookup up the corresponding member of struct
+ * gl_extensions and return that member's offset (in bytes). If the name is
+ * not found in the \c extension_table, return 0.
+ *
+ * \param name Name of extension.
+ * \return Offset of member in struct gl_extensions.
+ */
+static size_t
+name_to_offset(const char* name)
+{
+ const struct extension *i;
+
+ if (name == 0)
+ return 0;
+
+ for (i = extension_table; i->name != 0; ++i) {
+ if (strcmp(name, i->name) == 0)
+ return i->offset;
+ }
+
+ return 0;
+}
+
+
+/**
+ * \brief Extensions enabled by default.
+ *
+ * These extensions are enabled by _mesa_init_extensions().
+ *
+ * XXX: Should these defaults also apply to GLES?
+ */
+static const size_t default_extensions[] = {
+ o(ARB_copy_buffer),
+ o(ARB_draw_buffers),
+ o(ARB_multisample),
+ o(ARB_texture_compression),
+ o(ARB_transpose_matrix),
+ o(ARB_vertex_buffer_object),
+ o(ARB_window_pos),
+
+ o(EXT_abgr),
+ o(EXT_bgra),
+ o(EXT_compiled_vertex_array),
+ o(EXT_copy_texture),
+ o(EXT_draw_range_elements),
+ o(EXT_multi_draw_arrays),
+ o(EXT_packed_pixels),
+ o(EXT_polygon_offset),
+ o(EXT_rescale_normal),
+ o(EXT_separate_specular_color),
+ o(EXT_subtexture),
+ o(EXT_texture),
+ o(EXT_texture3D),
+ o(EXT_texture_object),
+ o(EXT_vertex_array),
+
+ o(OES_read_format),
+ o(OES_standard_derivatives),
+
+ /* Vendor Extensions */
+ o(APPLE_packed_pixels),
+ o(IBM_multimode_draw_arrays),
+ o(IBM_rasterpos_clip),
+ o(NV_light_max_exponent),
+ o(NV_texgen_reflection),
+ o(SGIS_generate_mipmap),
+ o(SGIS_texture_edge_clamp),
+ o(SGIS_texture_lod),
+
+ 0,
+};
+
+
+/**
+ * Enable all extensions suitable for a software-only renderer.
+ * This is a convenience function used by the XMesa, OSMesa, GGI drivers, etc.
+ */
+void
+_mesa_enable_sw_extensions(struct gl_context *ctx)
+{
+ /*ctx->Extensions.ARB_copy_buffer = GL_TRUE;*/
+ ctx->Extensions.ARB_depth_clamp = GL_TRUE;
+ ctx->Extensions.ARB_depth_texture = GL_TRUE;
+ /*ctx->Extensions.ARB_draw_buffers = GL_TRUE;*/
+ ctx->Extensions.ARB_draw_elements_base_vertex = GL_TRUE;
+ ctx->Extensions.ARB_draw_instanced = GL_TRUE;
+ ctx->Extensions.ARB_explicit_attrib_location = GL_TRUE;
+ ctx->Extensions.ARB_fragment_coord_conventions = GL_TRUE;
+#if FEATURE_ARB_fragment_program
+ ctx->Extensions.ARB_fragment_program = GL_TRUE;
+ ctx->Extensions.ARB_fragment_program_shadow = GL_TRUE;
+#endif
+#if FEATURE_ARB_fragment_shader
+ ctx->Extensions.ARB_fragment_shader = GL_TRUE;
+#endif
+#if FEATURE_ARB_framebuffer_object
+ ctx->Extensions.ARB_framebuffer_object = GL_TRUE;
+#endif
+#if FEATURE_ARB_geometry_shader4 && 0
+ /* XXX re-enable when GLSL compiler again supports geometry shaders */
+ ctx->Extensions.ARB_geometry_shader4 = GL_TRUE;
+#endif
+ ctx->Extensions.ARB_half_float_pixel = GL_TRUE;
+ ctx->Extensions.ARB_half_float_vertex = GL_TRUE;
+ ctx->Extensions.ARB_map_buffer_range = GL_TRUE;
+ ctx->Extensions.ARB_multitexture = GL_TRUE;
+#if FEATURE_queryobj
+ ctx->Extensions.ARB_occlusion_query = GL_TRUE;
+ ctx->Extensions.ARB_occlusion_query2 = GL_TRUE;
+#endif
+ ctx->Extensions.ARB_point_sprite = GL_TRUE;
+#if FEATURE_ARB_shader_objects
+ ctx->Extensions.ARB_shader_objects = GL_TRUE;
+ ctx->Extensions.EXT_separate_shader_objects = GL_TRUE;
+#endif
+#if FEATURE_ARB_shading_language_100
+ ctx->Extensions.ARB_shading_language_100 = GL_TRUE;
+#endif
+ ctx->Extensions.ARB_shadow = GL_TRUE;
+ ctx->Extensions.ARB_shadow_ambient = GL_TRUE;
+ ctx->Extensions.ARB_texture_border_clamp = GL_TRUE;
+ ctx->Extensions.ARB_texture_cube_map = GL_TRUE;
+ ctx->Extensions.ARB_texture_env_combine = GL_TRUE;
+ ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE;
+ ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE;
+ /*ctx->Extensions.ARB_texture_float = GL_TRUE;*/
+ ctx->Extensions.ARB_texture_mirrored_repeat = GL_TRUE;
+ ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE;
+ ctx->Extensions.ARB_texture_rg = GL_TRUE;
+ ctx->Extensions.ARB_texture_compression_rgtc = GL_TRUE;
+ ctx->Extensions.ARB_vertex_array_object = GL_TRUE;
+#if FEATURE_ARB_vertex_program
+ ctx->Extensions.ARB_vertex_program = GL_TRUE;
+#endif
+#if FEATURE_ARB_vertex_shader
+ ctx->Extensions.ARB_vertex_shader = GL_TRUE;
+#endif
+#if FEATURE_ARB_vertex_buffer_object
+ /*ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE;*/
+#endif
+#if FEATURE_ARB_sync
+ ctx->Extensions.ARB_sync = GL_TRUE;
+#endif
+ ctx->Extensions.APPLE_vertex_array_object = GL_TRUE;
+#if FEATURE_APPLE_object_purgeable
+ ctx->Extensions.APPLE_object_purgeable = GL_TRUE;
+#endif
+ ctx->Extensions.ATI_envmap_bumpmap = GL_TRUE;
+#if FEATURE_ATI_fragment_shader
+ ctx->Extensions.ATI_fragment_shader = GL_TRUE;
+#endif
+ ctx->Extensions.ATI_texture_compression_3dc = GL_TRUE;
+ ctx->Extensions.ATI_texture_env_combine3 = GL_TRUE;
+ ctx->Extensions.ATI_texture_mirror_once = GL_TRUE;
+ ctx->Extensions.ATI_separate_stencil = GL_TRUE;
+ ctx->Extensions.EXT_blend_color = GL_TRUE;
+ ctx->Extensions.EXT_blend_equation_separate = GL_TRUE;
+ ctx->Extensions.EXT_blend_func_separate = GL_TRUE;
+ ctx->Extensions.EXT_blend_logic_op = GL_TRUE;
+ ctx->Extensions.EXT_blend_minmax = GL_TRUE;
+ ctx->Extensions.EXT_blend_subtract = GL_TRUE;
+ ctx->Extensions.EXT_depth_bounds_test = GL_TRUE;
+ ctx->Extensions.EXT_draw_buffers2 = GL_TRUE;
+ ctx->Extensions.EXT_fog_coord = GL_TRUE;
+#if FEATURE_EXT_framebuffer_object
+ ctx->Extensions.EXT_framebuffer_object = GL_TRUE;
+#endif
+#if FEATURE_EXT_framebuffer_blit
+ ctx->Extensions.EXT_framebuffer_blit = GL_TRUE;
+#endif
+#if FEATURE_ARB_framebuffer_object
+ ctx->Extensions.EXT_framebuffer_multisample = GL_TRUE;
+#endif
+ /*ctx->Extensions.EXT_multi_draw_arrays = GL_TRUE;*/
+ ctx->Extensions.EXT_packed_depth_stencil = GL_TRUE;
+ ctx->Extensions.EXT_paletted_texture = GL_TRUE;
+#if FEATURE_EXT_pixel_buffer_object
+ ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE;
+#endif
+ ctx->Extensions.EXT_point_parameters = GL_TRUE;
+ ctx->Extensions.EXT_provoking_vertex = GL_TRUE;
+ ctx->Extensions.EXT_shadow_funcs = GL_TRUE;
+ ctx->Extensions.EXT_secondary_color = GL_TRUE;
+ ctx->Extensions.EXT_shared_texture_palette = GL_TRUE;
+ ctx->Extensions.EXT_stencil_wrap = GL_TRUE;
+ ctx->Extensions.EXT_stencil_two_side = GL_TRUE;
+ ctx->Extensions.EXT_texture_array = GL_TRUE;
+ ctx->Extensions.EXT_texture_compression_latc = GL_TRUE;
+ ctx->Extensions.EXT_texture_env_add = GL_TRUE;
+ ctx->Extensions.EXT_texture_env_combine = GL_TRUE;
+ ctx->Extensions.EXT_texture_env_dot3 = GL_TRUE;
+ ctx->Extensions.EXT_texture_mirror_clamp = GL_TRUE;
+ ctx->Extensions.EXT_texture_lod_bias = GL_TRUE;
+#if FEATURE_EXT_texture_sRGB
+ ctx->Extensions.EXT_texture_sRGB = GL_TRUE;
+ ctx->Extensions.EXT_texture_sRGB_decode = GL_TRUE;
+#endif
+ ctx->Extensions.EXT_texture_swizzle = GL_TRUE;
+#if FEATURE_EXT_transform_feedback
+ /*ctx->Extensions.EXT_transform_feedback = GL_TRUE;*/
+#endif
+ ctx->Extensions.EXT_vertex_array_bgra = GL_TRUE;
+ /*ctx->Extensions.IBM_multimode_draw_arrays = GL_TRUE;*/
+ ctx->Extensions.MESA_pack_invert = GL_TRUE;
+ ctx->Extensions.MESA_resize_buffers = GL_TRUE;
+ ctx->Extensions.MESA_texture_array = GL_TRUE;
+ ctx->Extensions.MESA_ycbcr_texture = GL_TRUE;
+ ctx->Extensions.NV_blend_square = GL_TRUE;
+ ctx->Extensions.NV_conditional_render = GL_TRUE;
+ /*ctx->Extensions.NV_light_max_exponent = GL_TRUE;*/
+ ctx->Extensions.NV_point_sprite = GL_TRUE;
+ ctx->Extensions.NV_texture_env_combine4 = GL_TRUE;
+ ctx->Extensions.NV_texture_rectangle = GL_TRUE;
+ /*ctx->Extensions.NV_texgen_reflection = GL_TRUE;*/
+#if FEATURE_NV_vertex_program
+ ctx->Extensions.NV_vertex_program = GL_TRUE;
+ ctx->Extensions.NV_vertex_program1_1 = GL_TRUE;
+#endif
+#if FEATURE_NV_fragment_program
+ ctx->Extensions.NV_fragment_program = GL_TRUE;
+#endif
+#if FEATURE_NV_fragment_program && FEATURE_ARB_fragment_program
+ ctx->Extensions.NV_fragment_program_option = GL_TRUE;
+#endif
+ /*ctx->Extensions.SGIS_generate_mipmap = GL_TRUE;*/
+ ctx->Extensions.SGIS_texture_edge_clamp = GL_TRUE;
+#if FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program
+ ctx->Extensions.EXT_gpu_program_parameters = GL_TRUE;
+#endif
+#if FEATURE_texture_fxt1
+ _mesa_enable_extension(ctx, "GL_3DFX_texture_compression_FXT1");
+#endif
+#if FEATURE_texture_s3tc
+ if (ctx->Mesa_DXTn) {
+ _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");
+ _mesa_enable_extension(ctx, "GL_S3_s3tc");
+ }
+#endif
+}
+
+
+/**
+ * Enable common EXT extensions in the ARB_imaging subset.
+ */
+void
+_mesa_enable_imaging_extensions(struct gl_context *ctx)
+{
+ ctx->Extensions.EXT_blend_color = GL_TRUE;
+ ctx->Extensions.EXT_blend_logic_op = GL_TRUE;
+ ctx->Extensions.EXT_blend_minmax = GL_TRUE;
+ ctx->Extensions.EXT_blend_subtract = GL_TRUE;
+}
+
+
+
+/**
+ * Enable all OpenGL 1.3 features and extensions.
+ * A convenience function to be called by drivers.
+ */
+void
+_mesa_enable_1_3_extensions(struct gl_context *ctx)
+{
+ /*ctx->Extensions.ARB_multisample = GL_TRUE;*/
+ ctx->Extensions.ARB_multitexture = GL_TRUE;
+ ctx->Extensions.ARB_texture_border_clamp = GL_TRUE;
+ /*ctx->Extensions.ARB_texture_compression = GL_TRUE;*/
+ ctx->Extensions.ARB_texture_cube_map = GL_TRUE;
+ ctx->Extensions.ARB_texture_env_combine = GL_TRUE;
+ ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE;
+ ctx->Extensions.EXT_texture_env_add = GL_TRUE;
+ /*ctx->Extensions.ARB_transpose_matrix = GL_TRUE;*/
+}
+
+
+
+/**
+ * Enable all OpenGL 1.4 features and extensions.
+ * A convenience function to be called by drivers.
+ */
+void
+_mesa_enable_1_4_extensions(struct gl_context *ctx)
+{
+ ctx->Extensions.ARB_depth_texture = GL_TRUE;
+ ctx->Extensions.ARB_shadow = GL_TRUE;
+ ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE;
+ ctx->Extensions.ARB_texture_mirrored_repeat = GL_TRUE;
+ ctx->Extensions.ARB_window_pos = GL_TRUE;
+ ctx->Extensions.EXT_blend_color = GL_TRUE;
+ ctx->Extensions.EXT_blend_func_separate = GL_TRUE;
+ ctx->Extensions.EXT_blend_minmax = GL_TRUE;
+ ctx->Extensions.EXT_blend_subtract = GL_TRUE;
+ ctx->Extensions.EXT_fog_coord = GL_TRUE;
+ /*ctx->Extensions.EXT_multi_draw_arrays = GL_TRUE;*/
+ ctx->Extensions.EXT_point_parameters = GL_TRUE;
+ ctx->Extensions.EXT_secondary_color = GL_TRUE;
+ ctx->Extensions.EXT_stencil_wrap = GL_TRUE;
+ ctx->Extensions.EXT_texture_lod_bias = GL_TRUE;
+ /*ctx->Extensions.SGIS_generate_mipmap = GL_TRUE;*/
+}
+
+
+/**
+ * Enable all OpenGL 1.5 features and extensions.
+ * A convenience function to be called by drivers.
+ */
+void
+_mesa_enable_1_5_extensions(struct gl_context *ctx)
+{
+ ctx->Extensions.ARB_occlusion_query = GL_TRUE;
+ /*ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE;*/
+ ctx->Extensions.EXT_shadow_funcs = GL_TRUE;
+}
+
+
+/**
+ * Enable all OpenGL 2.0 features and extensions.
+ * A convenience function to be called by drivers.
+ */
+void
+_mesa_enable_2_0_extensions(struct gl_context *ctx)
+{
+ /*ctx->Extensions.ARB_draw_buffers = GL_TRUE;*/
+#if FEATURE_ARB_fragment_shader
+ ctx->Extensions.ARB_fragment_shader = GL_TRUE;
+#endif
+ ctx->Extensions.ARB_point_sprite = GL_TRUE;
+ ctx->Extensions.EXT_blend_equation_separate = GL_TRUE;
+ ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE;
+#if FEATURE_ARB_shader_objects
+ ctx->Extensions.ARB_shader_objects = GL_TRUE;
+#endif
+#if FEATURE_ARB_shading_language_100
+ ctx->Extensions.ARB_shading_language_100 = GL_TRUE;
+#endif
+ ctx->Extensions.EXT_stencil_two_side = GL_TRUE;
+#if FEATURE_ARB_vertex_shader
+ ctx->Extensions.ARB_vertex_shader = GL_TRUE;
+#endif
+}
+
+
+/**
+ * Enable all OpenGL 2.1 features and extensions.
+ * A convenience function to be called by drivers.
+ */
+void
+_mesa_enable_2_1_extensions(struct gl_context *ctx)
+{
+#if FEATURE_EXT_pixel_buffer_object
+ ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE;
+#endif
+#if FEATURE_EXT_texture_sRGB
+ ctx->Extensions.EXT_texture_sRGB = GL_TRUE;
+#endif
+}
+
+
+/**
+ * Either enable or disable the named extension.
+ * \return GL_TRUE for success, GL_FALSE if invalid extension name
+ */
+static GLboolean
+set_extension( struct gl_context *ctx, const char *name, GLboolean state )
+{
+ size_t offset;
+
+ if (ctx->Extensions.String) {
+ /* The string was already queried - can't change it now! */
+ _mesa_problem(ctx, "Trying to enable/disable extension after glGetString(GL_EXTENSIONS): %s", name);
+ return GL_FALSE;
+ }
+
+ offset = name_to_offset(name);
+ if (offset == 0) {
+ _mesa_problem(ctx, "Trying to enable/disable unknown extension %s",
+ name);
+ return GL_FALSE;
+ } else if (offset == o(dummy_true) && state == GL_FALSE) {
+ _mesa_problem(ctx, "Trying to disable a permanently enabled extension: "
+ "%s", name);
+ return GL_FALSE;
+ } else {
+ GLboolean *base = (GLboolean *) &ctx->Extensions;
+ base[offset] = state;
+ return GL_TRUE;
+ }
+}
+
+
+/**
+ * Enable the named extension.
+ * Typically called by drivers.
+ */
+void
+_mesa_enable_extension( struct gl_context *ctx, const char *name )
+{
+ if (!set_extension(ctx, name, GL_TRUE))
+ _mesa_problem(ctx, "Trying to enable unknown extension: %s", name);
+}
+
+
+/**
+ * Disable the named extension.
+ * XXX is this really needed???
+ */
+void
+_mesa_disable_extension( struct gl_context *ctx, const char *name )
+{
+ if (!set_extension(ctx, name, GL_FALSE))
+ _mesa_problem(ctx, "Trying to disable unknown extension: %s", name);
+}
+
+
+/**
+ * Test if the named extension is enabled in this context.
+ */
+GLboolean
+_mesa_extension_is_enabled( struct gl_context *ctx, const char *name )
+{
+ size_t offset;
+ GLboolean *base;
+
+ if (name == 0)
+ return GL_FALSE;
+
+ offset = name_to_offset(name);
+ if (offset == 0)
+ return GL_FALSE;
+ base = (GLboolean *) &ctx->Extensions;
+ return base[offset];
+}
+
+
+/**
+ * \brief Apply the \c MESA_EXTENSION_OVERRIDE environment variable.
+ *
+ * \c MESA_EXTENSION_OVERRIDE is a space-separated list of extensions to
+ * enable or disable. The list is processed thus:
+ * - Enable recognized extension names that are prefixed with '+'.
+ * - Disable recognized extension names that are prefixed with '-'.
+ * - Enable recognized extension names that are not prefixed.
+ * - Collect unrecognized extension names in a new string.
+ *
+ * \return Space-separated list of unrecognized extension names (which must
+ * be freed). Does not return \c NULL.
+ */
+static char *
+get_extension_override( struct gl_context *ctx )
+{
+ const char *env_const = _mesa_getenv("MESA_EXTENSION_OVERRIDE");
+ char *env;
+ char *ext;
+ char *extra_exts;
+ int len;
+
+ if (env_const == NULL) {
+ /* Return the empty string rather than NULL. This simplifies the logic
+ * of client functions. */
+ return calloc(1, sizeof(char));
+ }
+
+ /* extra_exts: List of unrecognized extensions. */
+ extra_exts = calloc(strlen(env_const), sizeof(char));
+
+ /* Copy env_const because strtok() is destructive. */
+ env = strdup(env_const);
+ for (ext = strtok(env, " "); ext != NULL; ext = strtok(NULL, " ")) {
+ int enable;
+ int recognized;
+ switch (ext[0]) {
+ case '+':
+ enable = 1;
+ ++ext;
+ break;
+ case '-':
+ enable = 0;
+ ++ext;
+ break;
+ default:
+ enable = 1;
+ break;
+ }
+ recognized = set_extension(ctx, ext, enable);
+ if (!recognized) {
+ strcat(extra_exts, ext);
+ strcat(extra_exts, " ");
+ }
+ }
+
+ /* Remove trailing space. */
+ len = strlen(extra_exts);
+ if (extra_exts[len - 1] == ' ')
+ extra_exts[len - 1] = '\0';
+
+ return extra_exts;
+}
+
+
+/**
+ * \brief Initialize extension tables and enable default extensions.
+ *
+ * This should be called during context initialization.
+ * Note: Sets gl_extensions.dummy_true to true.
+ */
+void
+_mesa_init_extensions( struct gl_context *ctx )
+{
+ GLboolean *base = (GLboolean *) &ctx->Extensions;
+ GLboolean *sentinel = base + o(extension_sentinel);
+ GLboolean *i;
+ const size_t *j;
+
+ /* First, turn all extensions off. */
+ for (i = base; i != sentinel; ++i)
+ *i = GL_FALSE;
+
+ /* Then, selectively turn default extensions on. */
+ ctx->Extensions.dummy_true = GL_TRUE;
+ for (j = default_extensions; *j != 0; ++j)
+ base[*j] = GL_TRUE;
+}
+
+
+typedef unsigned short extension_index;
+
+
+/**
+ * Compare two entries of the extensions table. Sorts first by year,
+ * then by name.
+ *
+ * Arguments are indices into extension_table.
+ */
+static int
+extension_compare(const void *p1, const void *p2)
+{
+ extension_index i1 = * (const extension_index *) p1;
+ extension_index i2 = * (const extension_index *) p2;
+ const struct extension *e1 = &extension_table[i1];
+ const struct extension *e2 = &extension_table[i2];
+ int res;
+
+ res = (int)e1->year - (int)e2->year;
+
+ if (res == 0) {
+ res = strcmp(e1->name, e2->name);
+ }
+
+ return res;
+}
+
+
+/**
+ * Construct the GL_EXTENSIONS string. Called the first time that
+ * glGetString(GL_EXTENSIONS) is called.
+ */
+GLubyte*
+_mesa_make_extension_string(struct gl_context *ctx)
+{
+ /* The extension string. */
+ char *exts = 0;
+ /* Length of extension string. */
+ size_t length = 0;
+ /* Number of extensions */
+ unsigned count;
+ /* Indices of the extensions sorted by year */
+ extension_index *extension_indices;
+ /* String of extra extensions. */
+ char *extra_extensions = get_extension_override(ctx);
+ GLboolean *base = (GLboolean *) &ctx->Extensions;
+ const struct extension *i;
+ unsigned j;
+ unsigned maxYear = ~0;
+
+ /* Check if the MESA_EXTENSION_MAX_YEAR env var is set */
+ {
+ const char *env = getenv("MESA_EXTENSION_MAX_YEAR");
+ if (env) {
+ maxYear = atoi(env);
+ _mesa_debug(ctx, "Note: limiting GL extensions to %u or earlier\n",
+ maxYear);
+ }
+ }
+
+ /* Compute length of the extension string. */
+ count = 0;
+ for (i = extension_table; i->name != 0; ++i) {
+ if (base[i->offset] &&
+ i->year <= maxYear &&
+ (i->api_set & (1 << ctx->API))) {
+ length += strlen(i->name) + 1; /* +1 for space */
+ ++count;
+ }
+ }
+ if (extra_extensions != NULL)
+ length += 1 + strlen(extra_extensions); /* +1 for space */
+
+ exts = (char *) calloc(length + 1, sizeof(char));
+ if (exts == NULL) {
+ free(extra_extensions);
+ return NULL;
+ }
+
+ extension_indices = malloc(count * sizeof extension_indices);
+ if (extension_indices == NULL) {
+ free(exts);
+ free(extra_extensions);
+ return NULL;
+ }
+
+ /* Sort extensions in chronological order because certain old applications (e.g.,
+ * Quake3 demo) store the extension list in a static size buffer so chronologically
+ * order ensure that the extensions that such applications expect will fit into
+ * that buffer.
+ */
+ j = 0;
+ for (i = extension_table; i->name != 0; ++i) {
+ if (base[i->offset] &&
+ i->year <= maxYear &&
+ (i->api_set & (1 << ctx->API))) {
+ extension_indices[j++] = i - extension_table;
+ }
+ }
+ assert(j == count);
+ qsort(extension_indices, count, sizeof *extension_indices, extension_compare);
+
+ /* Build the extension string.*/
+ for (j = 0; j < count; ++j) {
+ i = &extension_table[extension_indices[j]];
+ assert(base[i->offset] && (i->api_set & (1 << ctx->API)));
+ strcat(exts, i->name);
+ strcat(exts, " ");
+ }
+ free(extension_indices);
+ if (extra_extensions != 0) {
+ strcat(exts, extra_extensions);
+ free(extra_extensions);
+ }
+
+ return (GLubyte *) exts;
+}
+
+/**
+ * Return number of enabled extensions.
+ */
+GLuint
+_mesa_get_extension_count(struct gl_context *ctx)
+{
+ GLboolean *base;
+ const struct extension *i;
+
+ /* only count once */
+ if (ctx->Extensions.Count != 0)
+ return ctx->Extensions.Count;
+
+ base = (GLboolean *) &ctx->Extensions;
+ for (i = extension_table; i->name != 0; ++i) {
+ if (base[i->offset]) {
+ ctx->Extensions.Count++;
+ }
+ }
+ return ctx->Extensions.Count;
+}
+
+/**
+ * Return name of i-th enabled extension
+ */
+const GLubyte *
+_mesa_get_enabled_extension(struct gl_context *ctx, GLuint index)
+{
+ const GLboolean *base;
+ size_t n;
+ const struct extension *i;
+
+ if (index < 0)
+ return NULL;
+
+ base = (GLboolean*) &ctx->Extensions;
+ n = 0;
+ for (i = extension_table; i->name != 0; ++i) {
+ if (n == index && base[i->offset]) {
+ return (GLubyte*) i->name;
+ } else if (base[i->offset]) {
+ ++n;
+ }
+ }
+
+ return NULL;
+}
diff --git a/mesalib/src/mesa/main/fbobject.c b/mesalib/src/mesa/main/fbobject.c
index ffdd08425..0bffbcfae 100644
--- a/mesalib/src/mesa/main/fbobject.c
+++ b/mesalib/src/mesa/main/fbobject.c
@@ -1,2462 +1,2462 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.1
- *
- * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
- * Copyright (C) 1999-2009 VMware, Inc. All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-/*
- * GL_EXT/ARB_framebuffer_object extensions
- *
- * Authors:
- * Brian Paul
- */
-
-
-#include "buffers.h"
-#include "context.h"
-#include "enums.h"
-#include "fbobject.h"
-#include "formats.h"
-#include "framebuffer.h"
-#include "hash.h"
-#include "macros.h"
-#include "mfeatures.h"
-#include "mtypes.h"
-#include "renderbuffer.h"
-#include "state.h"
-#include "teximage.h"
-#include "texobj.h"
-
-
-/** Set this to 1 to help debug FBO incompleteness problems */
-#define DEBUG_FBO 0
-
-/** Set this to 1 to debug/log glBlitFramebuffer() calls */
-#define DEBUG_BLIT 0
-
-
-/**
- * Notes:
- *
- * None of the GL_EXT_framebuffer_object functions are compiled into
- * display lists.
- */
-
-
-
-/*
- * When glGenRender/FramebuffersEXT() is called we insert pointers to
- * these placeholder objects into the hash table.
- * Later, when the object ID is first bound, we replace the placeholder
- * with the real frame/renderbuffer.
- */
-static struct gl_framebuffer DummyFramebuffer;
-static struct gl_renderbuffer DummyRenderbuffer;
-
-/* We bind this framebuffer when applications pass a NULL
- * drawable/surface in make current. */
-static struct gl_framebuffer IncompleteFramebuffer;
-
-
-#define IS_CUBE_FACE(TARGET) \
- ((TARGET) >= GL_TEXTURE_CUBE_MAP_POSITIVE_X && \
- (TARGET) <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z)
-
-
-static void
-delete_dummy_renderbuffer(struct gl_renderbuffer *rb)
-{
- /* no op */
-}
-
-static void
-delete_dummy_framebuffer(struct gl_framebuffer *fb)
-{
- /* no op */
-}
-
-
-void
-_mesa_init_fbobjects(struct gl_context *ctx)
-{
- _glthread_INIT_MUTEX(DummyFramebuffer.Mutex);
- _glthread_INIT_MUTEX(DummyRenderbuffer.Mutex);
- _glthread_INIT_MUTEX(IncompleteFramebuffer.Mutex);
- DummyFramebuffer.Delete = delete_dummy_framebuffer;
- DummyRenderbuffer.Delete = delete_dummy_renderbuffer;
- IncompleteFramebuffer.Delete = delete_dummy_framebuffer;
-}
-
-struct gl_framebuffer *
-_mesa_get_incomplete_framebuffer(void)
-{
- return &IncompleteFramebuffer;
-}
-
-/**
- * Helper routine for getting a gl_renderbuffer.
- */
-struct gl_renderbuffer *
-_mesa_lookup_renderbuffer(struct gl_context *ctx, GLuint id)
-{
- struct gl_renderbuffer *rb;
-
- if (id == 0)
- return NULL;
-
- rb = (struct gl_renderbuffer *)
- _mesa_HashLookup(ctx->Shared->RenderBuffers, id);
- return rb;
-}
-
-
-/**
- * Helper routine for getting a gl_framebuffer.
- */
-struct gl_framebuffer *
-_mesa_lookup_framebuffer(struct gl_context *ctx, GLuint id)
-{
- struct gl_framebuffer *fb;
-
- if (id == 0)
- return NULL;
-
- fb = (struct gl_framebuffer *)
- _mesa_HashLookup(ctx->Shared->FrameBuffers, id);
- return fb;
-}
-
-
-/**
- * Mark the given framebuffer as invalid. This will force the
- * test for framebuffer completeness to be done before the framebuffer
- * is used.
- */
-static void
-invalidate_framebuffer(struct gl_framebuffer *fb)
-{
- fb->_Status = 0; /* "indeterminate" */
-}
-
-
-/**
- * Return the gl_framebuffer object which corresponds to the given
- * framebuffer target, such as GL_DRAW_FRAMEBUFFER.
- * Check support for GL_EXT_framebuffer_blit to determine if certain
- * targets are legal.
- * \return gl_framebuffer pointer or NULL if target is illegal
- */
-static struct gl_framebuffer *
-get_framebuffer_target(struct gl_context *ctx, GLenum target)
-{
- switch (target) {
- case GL_DRAW_FRAMEBUFFER:
- return ctx->Extensions.EXT_framebuffer_blit ? ctx->DrawBuffer : NULL;
- case GL_READ_FRAMEBUFFER:
- return ctx->Extensions.EXT_framebuffer_blit ? ctx->ReadBuffer : NULL;
- case GL_FRAMEBUFFER_EXT:
- return ctx->DrawBuffer;
- default:
- return NULL;
- }
-}
-
-
-/**
- * Given a GL_*_ATTACHMENTn token, return a pointer to the corresponding
- * gl_renderbuffer_attachment object.
- * This function is only used for user-created FB objects, not the
- * default / window-system FB object.
- * If \p attachment is GL_DEPTH_STENCIL_ATTACHMENT, return a pointer to
- * the depth buffer attachment point.
- */
-struct gl_renderbuffer_attachment *
-_mesa_get_attachment(struct gl_context *ctx, struct gl_framebuffer *fb,
- GLenum attachment)
-{
- GLuint i;
-
- assert(fb->Name > 0);
-
- switch (attachment) {
- case GL_COLOR_ATTACHMENT0_EXT:
- case GL_COLOR_ATTACHMENT1_EXT:
- case GL_COLOR_ATTACHMENT2_EXT:
- case GL_COLOR_ATTACHMENT3_EXT:
- case GL_COLOR_ATTACHMENT4_EXT:
- case GL_COLOR_ATTACHMENT5_EXT:
- case GL_COLOR_ATTACHMENT6_EXT:
- case GL_COLOR_ATTACHMENT7_EXT:
- case GL_COLOR_ATTACHMENT8_EXT:
- case GL_COLOR_ATTACHMENT9_EXT:
- case GL_COLOR_ATTACHMENT10_EXT:
- case GL_COLOR_ATTACHMENT11_EXT:
- case GL_COLOR_ATTACHMENT12_EXT:
- case GL_COLOR_ATTACHMENT13_EXT:
- case GL_COLOR_ATTACHMENT14_EXT:
- case GL_COLOR_ATTACHMENT15_EXT:
- i = attachment - GL_COLOR_ATTACHMENT0_EXT;
- if (i >= ctx->Const.MaxColorAttachments) {
- return NULL;
- }
- return &fb->Attachment[BUFFER_COLOR0 + i];
- case GL_DEPTH_STENCIL_ATTACHMENT:
- /* fall-through */
- case GL_DEPTH_BUFFER:
- /* fall-through / new in GL 3.0 */
- case GL_DEPTH_ATTACHMENT_EXT:
- return &fb->Attachment[BUFFER_DEPTH];
- case GL_STENCIL_BUFFER:
- /* fall-through / new in GL 3.0 */
- case GL_STENCIL_ATTACHMENT_EXT:
- return &fb->Attachment[BUFFER_STENCIL];
- default:
- return NULL;
- }
-}
-
-
-/**
- * As above, but only used for getting attachments of the default /
- * window-system framebuffer (not user-created framebuffer objects).
- */
-static struct gl_renderbuffer_attachment *
-_mesa_get_fb0_attachment(struct gl_context *ctx, struct gl_framebuffer *fb,
- GLenum attachment)
-{
- assert(fb->Name == 0);
-
- switch (attachment) {
- case GL_FRONT_LEFT:
- return &fb->Attachment[BUFFER_FRONT_LEFT];
- case GL_FRONT_RIGHT:
- return &fb->Attachment[BUFFER_FRONT_RIGHT];
- case GL_BACK_LEFT:
- return &fb->Attachment[BUFFER_BACK_LEFT];
- case GL_BACK_RIGHT:
- return &fb->Attachment[BUFFER_BACK_RIGHT];
- case GL_AUX0:
- if (fb->Visual.numAuxBuffers == 1) {
- return &fb->Attachment[BUFFER_AUX0];
- }
- return NULL;
- case GL_DEPTH_BUFFER:
- /* fall-through / new in GL 3.0 */
- case GL_DEPTH_ATTACHMENT_EXT:
- return &fb->Attachment[BUFFER_DEPTH];
- case GL_STENCIL_BUFFER:
- /* fall-through / new in GL 3.0 */
- case GL_STENCIL_ATTACHMENT_EXT:
- return &fb->Attachment[BUFFER_STENCIL];
- default:
- return NULL;
- }
-}
-
-
-
-/**
- * Remove any texture or renderbuffer attached to the given attachment
- * point. Update reference counts, etc.
- */
-void
-_mesa_remove_attachment(struct gl_context *ctx,
- struct gl_renderbuffer_attachment *att)
-{
- if (att->Type == GL_TEXTURE) {
- ASSERT(att->Texture);
- if (ctx->Driver.FinishRenderTexture) {
- /* tell driver that we're done rendering to this texture. */
- ctx->Driver.FinishRenderTexture(ctx, att);
- }
- _mesa_reference_texobj(&att->Texture, NULL); /* unbind */
- ASSERT(!att->Texture);
- }
- if (att->Type == GL_TEXTURE || att->Type == GL_RENDERBUFFER_EXT) {
- ASSERT(!att->Texture);
- _mesa_reference_renderbuffer(&att->Renderbuffer, NULL); /* unbind */
- ASSERT(!att->Renderbuffer);
- }
- att->Type = GL_NONE;
- att->Complete = GL_TRUE;
-}
-
-
-/**
- * Bind a texture object to an attachment point.
- * The previous binding, if any, will be removed first.
- */
-void
-_mesa_set_texture_attachment(struct gl_context *ctx,
- struct gl_framebuffer *fb,
- struct gl_renderbuffer_attachment *att,
- struct gl_texture_object *texObj,
- GLenum texTarget, GLuint level, GLuint zoffset)
-{
- if (att->Texture == texObj) {
- /* re-attaching same texture */
- ASSERT(att->Type == GL_TEXTURE);
- if (ctx->Driver.FinishRenderTexture)
- ctx->Driver.FinishRenderTexture(ctx, att);
- }
- else {
- /* new attachment */
- if (ctx->Driver.FinishRenderTexture && att->Texture)
- ctx->Driver.FinishRenderTexture(ctx, att);
- _mesa_remove_attachment(ctx, att);
- att->Type = GL_TEXTURE;
- assert(!att->Texture);
- _mesa_reference_texobj(&att->Texture, texObj);
- }
-
- /* always update these fields */
- att->TextureLevel = level;
- att->CubeMapFace = _mesa_tex_target_to_face(texTarget);
- att->Zoffset = zoffset;
- att->Complete = GL_FALSE;
-
- if (att->Texture->Image[att->CubeMapFace][att->TextureLevel]) {
- ctx->Driver.RenderTexture(ctx, fb, att);
- }
-
- invalidate_framebuffer(fb);
-}
-
-
-/**
- * Bind a renderbuffer to an attachment point.
- * The previous binding, if any, will be removed first.
- */
-void
-_mesa_set_renderbuffer_attachment(struct gl_context *ctx,
- struct gl_renderbuffer_attachment *att,
- struct gl_renderbuffer *rb)
-{
- /* XXX check if re-doing same attachment, exit early */
- _mesa_remove_attachment(ctx, att);
- att->Type = GL_RENDERBUFFER_EXT;
- att->Texture = NULL; /* just to be safe */
- att->Complete = GL_FALSE;
- _mesa_reference_renderbuffer(&att->Renderbuffer, rb);
-}
-
-
-/**
- * Fallback for ctx->Driver.FramebufferRenderbuffer()
- * Attach a renderbuffer object to a framebuffer object.
- */
-void
-_mesa_framebuffer_renderbuffer(struct gl_context *ctx,
- struct gl_framebuffer *fb,
- GLenum attachment, struct gl_renderbuffer *rb)
-{
- struct gl_renderbuffer_attachment *att;
-
- _glthread_LOCK_MUTEX(fb->Mutex);
-
- att = _mesa_get_attachment(ctx, fb, attachment);
- ASSERT(att);
- if (rb) {
- _mesa_set_renderbuffer_attachment(ctx, att, rb);
- if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
- /* do stencil attachment here (depth already done above) */
- att = _mesa_get_attachment(ctx, fb, GL_STENCIL_ATTACHMENT_EXT);
- assert(att);
- _mesa_set_renderbuffer_attachment(ctx, att, rb);
- }
- rb->AttachedAnytime = GL_TRUE;
- }
- else {
- _mesa_remove_attachment(ctx, att);
- }
-
- invalidate_framebuffer(fb);
-
- _glthread_UNLOCK_MUTEX(fb->Mutex);
-}
-
-
-/**
- * Fallback for ctx->Driver.ValidateFramebuffer()
- * Check if the renderbuffer's formats are supported by the software
- * renderer.
- * Drivers should probably override this.
- */
-void
-_mesa_validate_framebuffer(struct gl_context *ctx, struct gl_framebuffer *fb)
-{
- gl_buffer_index buf;
- for (buf = 0; buf < BUFFER_COUNT; buf++) {
- const struct gl_renderbuffer *rb = fb->Attachment[buf].Renderbuffer;
- if (rb) {
- switch (rb->_BaseFormat) {
- case GL_ALPHA:
- case GL_LUMINANCE_ALPHA:
- case GL_LUMINANCE:
- case GL_INTENSITY:
- case GL_RED:
- case GL_RG:
- fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED;
- return;
- default:
- /* render buffer format is supported by software rendering */
- ;
- }
- }
- }
-}
-
-
-/**
- * For debug only.
- */
-static void
-att_incomplete(const char *msg)
-{
-#if DEBUG_FBO
- _mesa_debug(NULL, "attachment incomplete: %s\n", msg);
-#else
- (void) msg;
-#endif
-}
-
-
-/**
- * For debug only.
- */
-static void
-fbo_incomplete(const char *msg, int index)
-{
-#if DEBUG_FBO
- _mesa_debug(NULL, "FBO Incomplete: %s [%d]\n", msg, index);
-#else
- (void) msg;
- (void) index;
-#endif
-}
-
-
-/**
- * Is the given base format a legal format for a color renderbuffer?
- */
-GLboolean
-_mesa_is_legal_color_format(const struct gl_context *ctx, GLenum baseFormat)
-{
- switch (baseFormat) {
- case GL_RGB:
- case GL_RGBA:
- return GL_TRUE;
- case GL_LUMINANCE:
- case GL_LUMINANCE_ALPHA:
- case GL_INTENSITY:
- case GL_ALPHA:
- return ctx->Extensions.ARB_framebuffer_object;
- case GL_RED:
- case GL_RG:
- return ctx->Extensions.ARB_texture_rg;
- default:
- return GL_FALSE;
- }
-}
-
-
-/**
- * Is the given base format a legal format for a depth/stencil renderbuffer?
- */
-static GLboolean
-is_legal_depth_format(const struct gl_context *ctx, GLenum baseFormat)
-{
- switch (baseFormat) {
- case GL_DEPTH_COMPONENT:
- case GL_DEPTH_STENCIL_EXT:
- return GL_TRUE;
- default:
- return GL_FALSE;
- }
-}
-
-
-/**
- * Test if an attachment point is complete and update its Complete field.
- * \param format if GL_COLOR, this is a color attachment point,
- * if GL_DEPTH, this is a depth component attachment point,
- * if GL_STENCIL, this is a stencil component attachment point.
- */
-static void
-test_attachment_completeness(const struct gl_context *ctx, GLenum format,
- struct gl_renderbuffer_attachment *att)
-{
- assert(format == GL_COLOR || format == GL_DEPTH || format == GL_STENCIL);
-
- /* assume complete */
- att->Complete = GL_TRUE;
-
- /* Look for reasons why the attachment might be incomplete */
- if (att->Type == GL_TEXTURE) {
- const struct gl_texture_object *texObj = att->Texture;
- struct gl_texture_image *texImage;
- GLenum baseFormat;
-
- if (!texObj) {
- att_incomplete("no texobj");
- att->Complete = GL_FALSE;
- return;
- }
-
- texImage = texObj->Image[att->CubeMapFace][att->TextureLevel];
- if (!texImage) {
- att_incomplete("no teximage");
- att->Complete = GL_FALSE;
- return;
- }
- if (texImage->Width < 1 || texImage->Height < 1) {
- att_incomplete("teximage width/height=0");
- printf("texobj = %u\n", texObj->Name);
- printf("level = %d\n", att->TextureLevel);
- att->Complete = GL_FALSE;
- return;
- }
- if (texObj->Target == GL_TEXTURE_3D && att->Zoffset >= texImage->Depth) {
- att_incomplete("bad z offset");
- att->Complete = GL_FALSE;
- return;
- }
-
- baseFormat = _mesa_get_format_base_format(texImage->TexFormat);
-
- if (format == GL_COLOR) {
- if (!_mesa_is_legal_color_format(ctx, baseFormat)) {
- att_incomplete("bad format");
- att->Complete = GL_FALSE;
- return;
- }
- if (_mesa_is_format_compressed(texImage->TexFormat)) {
- att_incomplete("compressed internalformat");
- att->Complete = GL_FALSE;
- return;
- }
- }
- else if (format == GL_DEPTH) {
- if (baseFormat == GL_DEPTH_COMPONENT) {
- /* OK */
- }
- else if (ctx->Extensions.EXT_packed_depth_stencil &&
- ctx->Extensions.ARB_depth_texture &&
- baseFormat == GL_DEPTH_STENCIL_EXT) {
- /* OK */
- }
- else {
- att->Complete = GL_FALSE;
- att_incomplete("bad depth format");
- return;
- }
- }
- else {
- ASSERT(format == GL_STENCIL);
- if (ctx->Extensions.EXT_packed_depth_stencil &&
- ctx->Extensions.ARB_depth_texture &&
- baseFormat == GL_DEPTH_STENCIL_EXT) {
- /* OK */
- }
- else {
- /* no such thing as stencil-only textures */
- att_incomplete("illegal stencil texture");
- att->Complete = GL_FALSE;
- return;
- }
- }
- }
- else if (att->Type == GL_RENDERBUFFER_EXT) {
- const GLenum baseFormat =
- _mesa_get_format_base_format(att->Renderbuffer->Format);
-
- ASSERT(att->Renderbuffer);
- if (!att->Renderbuffer->InternalFormat ||
- att->Renderbuffer->Width < 1 ||
- att->Renderbuffer->Height < 1) {
- att_incomplete("0x0 renderbuffer");
- att->Complete = GL_FALSE;
- return;
- }
- if (format == GL_COLOR) {
- if (!_mesa_is_legal_color_format(ctx, baseFormat)) {
- att_incomplete("bad renderbuffer color format");
- att->Complete = GL_FALSE;
- return;
- }
- }
- else if (format == GL_DEPTH) {
- if (baseFormat == GL_DEPTH_COMPONENT) {
- /* OK */
- }
- else if (ctx->Extensions.EXT_packed_depth_stencil &&
- baseFormat == GL_DEPTH_STENCIL_EXT) {
- /* OK */
- }
- else {
- att_incomplete("bad renderbuffer depth format");
- att->Complete = GL_FALSE;
- return;
- }
- }
- else {
- assert(format == GL_STENCIL);
- if (baseFormat == GL_STENCIL_INDEX) {
- /* OK */
- }
- else if (ctx->Extensions.EXT_packed_depth_stencil &&
- baseFormat == GL_DEPTH_STENCIL_EXT) {
- /* OK */
- }
- else {
- att->Complete = GL_FALSE;
- att_incomplete("bad renderbuffer stencil format");
- return;
- }
- }
- }
- else {
- ASSERT(att->Type == GL_NONE);
- /* complete */
- return;
- }
-}
-
-
-/**
- * Test if the given framebuffer object is complete and update its
- * Status field with the results.
- * Calls the ctx->Driver.ValidateFramebuffer() function to allow the
- * driver to make hardware-specific validation/completeness checks.
- * Also update the framebuffer's Width and Height fields if the
- * framebuffer is complete.
- */
-void
-_mesa_test_framebuffer_completeness(struct gl_context *ctx,
- struct gl_framebuffer *fb)
-{
- GLuint numImages;
- GLenum intFormat = GL_NONE; /* color buffers' internal format */
- GLuint minWidth = ~0, minHeight = ~0, maxWidth = 0, maxHeight = 0;
- GLint numSamples = -1;
- GLint i;
- GLuint j;
-
- assert(fb->Name != 0);
-
- numImages = 0;
- fb->Width = 0;
- fb->Height = 0;
-
- /* Start at -2 to more easily loop over all attachment points.
- * -2: depth buffer
- * -1: stencil buffer
- * >=0: color buffer
- */
- for (i = -2; i < (GLint) ctx->Const.MaxColorAttachments; i++) {
- struct gl_renderbuffer_attachment *att;
- GLenum f;
- gl_format attFormat;
-
- /*
- * XXX for ARB_fbo, only check color buffers that are named by
- * GL_READ_BUFFER and GL_DRAW_BUFFERi.
- */
-
- /* check for attachment completeness
- */
- if (i == -2) {
- att = &fb->Attachment[BUFFER_DEPTH];
- test_attachment_completeness(ctx, GL_DEPTH, att);
- if (!att->Complete) {
- fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT;
- fbo_incomplete("depth attachment incomplete", -1);
- return;
- }
- }
- else if (i == -1) {
- att = &fb->Attachment[BUFFER_STENCIL];
- test_attachment_completeness(ctx, GL_STENCIL, att);
- if (!att->Complete) {
- fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT;
- fbo_incomplete("stencil attachment incomplete", -1);
- return;
- }
- }
- else {
- att = &fb->Attachment[BUFFER_COLOR0 + i];
- test_attachment_completeness(ctx, GL_COLOR, att);
- if (!att->Complete) {
- fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT;
- fbo_incomplete("color attachment incomplete", i);
- return;
- }
- }
-
- /* get width, height, format of the renderbuffer/texture
- */
- if (att->Type == GL_TEXTURE) {
- const struct gl_texture_image *texImg
- = att->Texture->Image[att->CubeMapFace][att->TextureLevel];
- minWidth = MIN2(minWidth, texImg->Width);
- maxWidth = MAX2(maxWidth, texImg->Width);
- minHeight = MIN2(minHeight, texImg->Height);
- maxHeight = MAX2(maxHeight, texImg->Height);
- f = texImg->_BaseFormat;
- attFormat = texImg->TexFormat;
- numImages++;
- if (!_mesa_is_legal_color_format(ctx, f) &&
- !is_legal_depth_format(ctx, f)) {
- fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT;
- fbo_incomplete("texture attachment incomplete", -1);
- return;
- }
- }
- else if (att->Type == GL_RENDERBUFFER_EXT) {
- minWidth = MIN2(minWidth, att->Renderbuffer->Width);
- maxWidth = MAX2(minWidth, att->Renderbuffer->Width);
- minHeight = MIN2(minHeight, att->Renderbuffer->Height);
- maxHeight = MAX2(minHeight, att->Renderbuffer->Height);
- f = att->Renderbuffer->InternalFormat;
- attFormat = att->Renderbuffer->Format;
- numImages++;
- }
- else {
- assert(att->Type == GL_NONE);
- continue;
- }
-
- if (numSamples < 0) {
- /* first buffer */
- numSamples = att->Renderbuffer->NumSamples;
- }
-
- /* check if integer color */
- fb->_IntegerColor = _mesa_is_format_integer_color(attFormat);
-
- /* Error-check width, height, format, samples
- */
- if (numImages == 1) {
- /* save format, num samples */
- if (i >= 0) {
- intFormat = f;
- }
- }
- else {
- if (!ctx->Extensions.ARB_framebuffer_object) {
- /* check that width, height, format are same */
- if (minWidth != maxWidth || minHeight != maxHeight) {
- fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT;
- fbo_incomplete("width or height mismatch", -1);
- return;
- }
- /* check that all color buffer have same format */
- if (intFormat != GL_NONE && f != intFormat) {
- fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT;
- fbo_incomplete("format mismatch", -1);
- return;
- }
- }
- if (att->Renderbuffer &&
- att->Renderbuffer->NumSamples != numSamples) {
- fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE;
- fbo_incomplete("inconsistant number of samples", i);
- return;
- }
-
- }
- }
-
-#if FEATURE_GL
- if (ctx->API == API_OPENGL) {
- /* Check that all DrawBuffers are present */
- for (j = 0; j < ctx->Const.MaxDrawBuffers; j++) {
- if (fb->ColorDrawBuffer[j] != GL_NONE) {
- const struct gl_renderbuffer_attachment *att
- = _mesa_get_attachment(ctx, fb, fb->ColorDrawBuffer[j]);
- assert(att);
- if (att->Type == GL_NONE) {
- fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT;
- fbo_incomplete("missing drawbuffer", j);
- return;
- }
- }
- }
-
- /* Check that the ReadBuffer is present */
- if (fb->ColorReadBuffer != GL_NONE) {
- const struct gl_renderbuffer_attachment *att
- = _mesa_get_attachment(ctx, fb, fb->ColorReadBuffer);
- assert(att);
- if (att->Type == GL_NONE) {
- fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT;
- fbo_incomplete("missing readbuffer", -1);
- return;
- }
- }
- }
-#else
- (void) j;
-#endif
-
- if (numImages == 0) {
- fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT;
- fbo_incomplete("no attachments", -1);
- return;
- }
-
- /* Provisionally set status = COMPLETE ... */
- fb->_Status = GL_FRAMEBUFFER_COMPLETE_EXT;
-
- /* ... but the driver may say the FB is incomplete.
- * Drivers will most likely set the status to GL_FRAMEBUFFER_UNSUPPORTED
- * if anything.
- */
- if (ctx->Driver.ValidateFramebuffer) {
- ctx->Driver.ValidateFramebuffer(ctx, fb);
- if (fb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
- fbo_incomplete("driver marked FBO as incomplete", -1);
- }
- }
-
- if (fb->_Status == GL_FRAMEBUFFER_COMPLETE_EXT) {
- /*
- * Note that if ARB_framebuffer_object is supported and the attached
- * renderbuffers/textures are different sizes, the framebuffer
- * width/height will be set to the smallest width/height.
- */
- fb->Width = minWidth;
- fb->Height = minHeight;
-
- /* finally, update the visual info for the framebuffer */
- _mesa_update_framebuffer_visual(ctx, fb);
- }
-}
-
-
-GLboolean GLAPIENTRY
-_mesa_IsRenderbufferEXT(GLuint renderbuffer)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
- if (renderbuffer) {
- struct gl_renderbuffer *rb = _mesa_lookup_renderbuffer(ctx, renderbuffer);
- if (rb != NULL && rb != &DummyRenderbuffer)
- return GL_TRUE;
- }
- return GL_FALSE;
-}
-
-
-void GLAPIENTRY
-_mesa_BindRenderbufferEXT(GLenum target, GLuint renderbuffer)
-{
- struct gl_renderbuffer *newRb;
- GET_CURRENT_CONTEXT(ctx);
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (target != GL_RENDERBUFFER_EXT) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBindRenderbufferEXT(target)");
- return;
- }
-
- /* No need to flush here since the render buffer binding has no
- * effect on rendering state.
- */
-
- if (renderbuffer) {
- newRb = _mesa_lookup_renderbuffer(ctx, renderbuffer);
- if (newRb == &DummyRenderbuffer) {
- /* ID was reserved, but no real renderbuffer object made yet */
- newRb = NULL;
- }
- else if (!newRb && ctx->Extensions.ARB_framebuffer_object) {
- /* All RB IDs must be Gen'd */
- _mesa_error(ctx, GL_INVALID_OPERATION, "glBindRenderbuffer(buffer)");
- return;
- }
-
- if (!newRb) {
- /* create new renderbuffer object */
- newRb = ctx->Driver.NewRenderbuffer(ctx, renderbuffer);
- if (!newRb) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindRenderbufferEXT");
- return;
- }
- ASSERT(newRb->AllocStorage);
- _mesa_HashInsert(ctx->Shared->RenderBuffers, renderbuffer, newRb);
- newRb->RefCount = 1; /* referenced by hash table */
- }
- }
- else {
- newRb = NULL;
- }
-
- ASSERT(newRb != &DummyRenderbuffer);
-
- _mesa_reference_renderbuffer(&ctx->CurrentRenderbuffer, newRb);
-}
-
-
-/**
- * If the given renderbuffer is anywhere attached to the framebuffer, detach
- * the renderbuffer.
- * This is used when a renderbuffer object is deleted.
- * The spec calls for unbinding.
- */
-static void
-detach_renderbuffer(struct gl_context *ctx,
- struct gl_framebuffer *fb,
- struct gl_renderbuffer *rb)
-{
- GLuint i;
- for (i = 0; i < BUFFER_COUNT; i++) {
- if (fb->Attachment[i].Renderbuffer == rb) {
- _mesa_remove_attachment(ctx, &fb->Attachment[i]);
- }
- }
- invalidate_framebuffer(fb);
-}
-
-
-void GLAPIENTRY
-_mesa_DeleteRenderbuffersEXT(GLsizei n, const GLuint *renderbuffers)
-{
- GLint i;
- GET_CURRENT_CONTEXT(ctx);
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
- FLUSH_VERTICES(ctx, _NEW_BUFFERS);
-
- for (i = 0; i < n; i++) {
- if (renderbuffers[i] > 0) {
- struct gl_renderbuffer *rb;
- rb = _mesa_lookup_renderbuffer(ctx, renderbuffers[i]);
- if (rb) {
- /* check if deleting currently bound renderbuffer object */
- if (rb == ctx->CurrentRenderbuffer) {
- /* bind default */
- ASSERT(rb->RefCount >= 2);
- _mesa_BindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0);
- }
-
- if (ctx->DrawBuffer->Name) {
- detach_renderbuffer(ctx, ctx->DrawBuffer, rb);
- }
- if (ctx->ReadBuffer->Name && ctx->ReadBuffer != ctx->DrawBuffer) {
- detach_renderbuffer(ctx, ctx->ReadBuffer, rb);
- }
-
- /* Remove from hash table immediately, to free the ID.
- * But the object will not be freed until it's no longer
- * referenced anywhere else.
- */
- _mesa_HashRemove(ctx->Shared->RenderBuffers, renderbuffers[i]);
-
- if (rb != &DummyRenderbuffer) {
- /* no longer referenced by hash table */
- _mesa_reference_renderbuffer(&rb, NULL);
- }
- }
- }
- }
-}
-
-
-void GLAPIENTRY
-_mesa_GenRenderbuffersEXT(GLsizei n, GLuint *renderbuffers)
-{
- GET_CURRENT_CONTEXT(ctx);
- GLuint first;
- GLint i;
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (n < 0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glGenRenderbuffersEXT(n)");
- return;
- }
-
- if (!renderbuffers)
- return;
-
- first = _mesa_HashFindFreeKeyBlock(ctx->Shared->RenderBuffers, n);
-
- for (i = 0; i < n; i++) {
- GLuint name = first + i;
- renderbuffers[i] = name;
- /* insert dummy placeholder into hash table */
- _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
- _mesa_HashInsert(ctx->Shared->RenderBuffers, name, &DummyRenderbuffer);
- _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
- }
-}
-
-
-/**
- * Given an internal format token for a render buffer, return the
- * corresponding base format (one of GL_RGB, GL_RGBA, GL_STENCIL_INDEX,
- * GL_DEPTH_COMPONENT, GL_DEPTH_STENCIL_EXT, GL_ALPHA, GL_LUMINANCE,
- * GL_LUMINANCE_ALPHA, GL_INTENSITY, etc).
- *
- * This is similar to _mesa_base_tex_format() but the set of valid
- * internal formats is different.
- *
- * Note that even if a format is determined to be legal here, validation
- * of the FBO may fail if the format is not supported by the driver/GPU.
- *
- * \param internalFormat as passed to glRenderbufferStorage()
- * \return the base internal format, or 0 if internalFormat is illegal
- */
-GLenum
-_mesa_base_fbo_format(struct gl_context *ctx, GLenum internalFormat)
-{
- /*
- * Notes: some formats such as alpha, luminance, etc. were added
- * with GL_ARB_framebuffer_object.
- */
- switch (internalFormat) {
- case GL_ALPHA:
- case GL_ALPHA4:
- case GL_ALPHA8:
- case GL_ALPHA12:
- case GL_ALPHA16:
- return ctx->Extensions.ARB_framebuffer_object ? GL_ALPHA : 0;
- case GL_LUMINANCE:
- case GL_LUMINANCE4:
- case GL_LUMINANCE8:
- case GL_LUMINANCE12:
- case GL_LUMINANCE16:
- return ctx->Extensions.ARB_framebuffer_object ? GL_LUMINANCE : 0;
- case GL_LUMINANCE_ALPHA:
- case GL_LUMINANCE4_ALPHA4:
- case GL_LUMINANCE6_ALPHA2:
- case GL_LUMINANCE8_ALPHA8:
- case GL_LUMINANCE12_ALPHA4:
- case GL_LUMINANCE12_ALPHA12:
- case GL_LUMINANCE16_ALPHA16:
- return ctx->Extensions.ARB_framebuffer_object ? GL_LUMINANCE_ALPHA : 0;
- case GL_INTENSITY:
- case GL_INTENSITY4:
- case GL_INTENSITY8:
- case GL_INTENSITY12:
- case GL_INTENSITY16:
- return ctx->Extensions.ARB_framebuffer_object ? GL_INTENSITY : 0;
- case GL_RGB:
- case GL_R3_G3_B2:
- case GL_RGB4:
- case GL_RGB5:
- case GL_RGB8:
- case GL_RGB10:
- case GL_RGB12:
- case GL_RGB16:
- case GL_SRGB8_EXT:
- return GL_RGB;
- case GL_RGBA:
- case GL_RGBA2:
- case GL_RGBA4:
- case GL_RGB5_A1:
- case GL_RGBA8:
- case GL_RGB10_A2:
- case GL_RGBA12:
- case GL_RGBA16:
- case GL_RGBA16_SNORM:
- case GL_SRGB8_ALPHA8_EXT:
- return GL_RGBA;
- case GL_STENCIL_INDEX:
- case GL_STENCIL_INDEX1_EXT:
- case GL_STENCIL_INDEX4_EXT:
- case GL_STENCIL_INDEX8_EXT:
- case GL_STENCIL_INDEX16_EXT:
- return GL_STENCIL_INDEX;
- case GL_DEPTH_COMPONENT:
- case GL_DEPTH_COMPONENT16:
- case GL_DEPTH_COMPONENT24:
- case GL_DEPTH_COMPONENT32:
- return GL_DEPTH_COMPONENT;
- case GL_DEPTH_STENCIL_EXT:
- case GL_DEPTH24_STENCIL8_EXT:
- if (ctx->Extensions.EXT_packed_depth_stencil)
- return GL_DEPTH_STENCIL_EXT;
- else
- return 0;
- case GL_RED:
- case GL_R8:
- case GL_R16:
- return ctx->Extensions.ARB_texture_rg ? GL_RED : 0;
- case GL_RG:
- case GL_RG8:
- case GL_RG16:
- return ctx->Extensions.ARB_texture_rg ? GL_RG : 0;
- /* XXX add floating point and integer formats eventually */
- default:
- return 0;
- }
-}
-
-
-/**
- * Invalidate a renderbuffer attachment. Called from _mesa_HashWalk().
- */
-static void
-invalidate_rb(GLuint key, void *data, void *userData)
-{
- struct gl_framebuffer *fb = (struct gl_framebuffer *) data;
- struct gl_renderbuffer *rb = (struct gl_renderbuffer *) userData;
-
- /* If this is a user-created FBO */
- if (fb->Name) {
- GLuint i;
- for (i = 0; i < BUFFER_COUNT; i++) {
- struct gl_renderbuffer_attachment *att = fb->Attachment + i;
- if (att->Type == GL_RENDERBUFFER &&
- att->Renderbuffer == rb) {
- /* Mark fb status as indeterminate to force re-validation */
- fb->_Status = 0;
- return;
- }
- }
- }
-}
-
-
-/** sentinal value, see below */
-#define NO_SAMPLES 1000
-
-
-/**
- * Helper function used by _mesa_RenderbufferStorageEXT() and
- * _mesa_RenderbufferStorageMultisample().
- * samples will be NO_SAMPLES if called by _mesa_RenderbufferStorageEXT().
- */
-static void
-renderbuffer_storage(GLenum target, GLenum internalFormat,
- GLsizei width, GLsizei height, GLsizei samples)
-{
- const char *func = samples == NO_SAMPLES ?
- "glRenderbufferStorage" : "RenderbufferStorageMultisample";
- struct gl_renderbuffer *rb;
- GLenum baseFormat;
- GET_CURRENT_CONTEXT(ctx);
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (target != GL_RENDERBUFFER_EXT) {
- _mesa_error(ctx, GL_INVALID_ENUM, "%s(target)", func);
- return;
- }
-
- baseFormat = _mesa_base_fbo_format(ctx, internalFormat);
- if (baseFormat == 0) {
- _mesa_error(ctx, GL_INVALID_ENUM, "%s(internalFormat)", func);
- return;
- }
-
- if (width < 1 || width > (GLsizei) ctx->Const.MaxRenderbufferSize) {
- _mesa_error(ctx, GL_INVALID_VALUE, "%s(width)", func);
- return;
- }
-
- if (height < 1 || height > (GLsizei) ctx->Const.MaxRenderbufferSize) {
- _mesa_error(ctx, GL_INVALID_VALUE, "%s(height)", func);
- return;
- }
-
- if (samples == NO_SAMPLES) {
- /* NumSamples == 0 indicates non-multisampling */
- samples = 0;
- }
- else if (samples > (GLsizei) ctx->Const.MaxSamples) {
- /* note: driver may choose to use more samples than what's requested */
- _mesa_error(ctx, GL_INVALID_VALUE, "%s(samples)", func);
- return;
- }
-
- rb = ctx->CurrentRenderbuffer;
- if (!rb) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "%s", func);
- return;
- }
-
- FLUSH_VERTICES(ctx, _NEW_BUFFERS);
-
- if (rb->InternalFormat == internalFormat &&
- rb->Width == (GLuint) width &&
- rb->Height == (GLuint) height) {
- /* no change in allocation needed */
- return;
- }
-
- /* These MUST get set by the AllocStorage func */
- rb->Format = MESA_FORMAT_NONE;
- rb->NumSamples = samples;
-
- /* Now allocate the storage */
- ASSERT(rb->AllocStorage);
- if (rb->AllocStorage(ctx, rb, internalFormat, width, height)) {
- /* No error - check/set fields now */
- assert(rb->Format != MESA_FORMAT_NONE);
- assert(rb->Width == (GLuint) width);
- assert(rb->Height == (GLuint) height);
- rb->InternalFormat = internalFormat;
- rb->_BaseFormat = baseFormat;
- assert(rb->_BaseFormat != 0);
- }
- else {
- /* Probably ran out of memory - clear the fields */
- rb->Width = 0;
- rb->Height = 0;
- rb->Format = MESA_FORMAT_NONE;
- rb->InternalFormat = GL_NONE;
- rb->_BaseFormat = GL_NONE;
- rb->NumSamples = 0;
- }
-
- /* Invalidate the framebuffers the renderbuffer is attached in. */
- if (rb->AttachedAnytime) {
- _mesa_HashWalk(ctx->Shared->FrameBuffers, invalidate_rb, rb);
- }
-}
-
-
-#if FEATURE_OES_EGL_image
-void GLAPIENTRY
-_mesa_EGLImageTargetRenderbufferStorageOES(GLenum target, GLeglImageOES image)
-{
- struct gl_renderbuffer *rb;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (!ctx->Extensions.OES_EGL_image) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glEGLImageTargetRenderbufferStorageOES(unsupported)");
- return;
- }
-
- if (target != GL_RENDERBUFFER) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "EGLImageTargetRenderbufferStorageOES");
- return;
- }
-
- rb = ctx->CurrentRenderbuffer;
- if (!rb) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "EGLImageTargetRenderbufferStorageOES");
- return;
- }
-
- FLUSH_VERTICES(ctx, _NEW_BUFFERS);
-
- ctx->Driver.EGLImageTargetRenderbufferStorage(ctx, rb, image);
-}
-#endif
-
-
-/**
- * Helper function for _mesa_GetRenderbufferParameterivEXT() and
- * _mesa_GetFramebufferAttachmentParameterivEXT()
- * We have to be careful to respect the base format. For example, if a
- * renderbuffer/texture was created with internalFormat=GL_RGB but the
- * driver actually chose a GL_RGBA format, when the user queries ALPHA_SIZE
- * we need to return zero.
- */
-static GLint
-get_component_bits(GLenum pname, GLenum baseFormat, gl_format format)
-{
- switch (pname) {
- case GL_RENDERBUFFER_RED_SIZE_EXT:
- case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:
- if (baseFormat == GL_RGB || baseFormat == GL_RGBA ||
- baseFormat == GL_RG || baseFormat == GL_RED)
- return _mesa_get_format_bits(format, pname);
- else
- return 0;
- case GL_RENDERBUFFER_GREEN_SIZE_EXT:
- case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:
- if (baseFormat == GL_RGB || baseFormat == GL_RGBA || baseFormat == GL_RG)
- return _mesa_get_format_bits(format, pname);
- else
- return 0;
- case GL_RENDERBUFFER_BLUE_SIZE_EXT:
- case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:
- if (baseFormat == GL_RGB || baseFormat == GL_RGBA)
- return _mesa_get_format_bits(format, pname);
- else
- return 0;
- case GL_RENDERBUFFER_ALPHA_SIZE_EXT:
- case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
- if (baseFormat == GL_RGBA || baseFormat == GL_ALPHA ||
- baseFormat == GL_LUMINANCE_ALPHA)
- return _mesa_get_format_bits(format, pname);
- else
- return 0;
- case GL_RENDERBUFFER_DEPTH_SIZE_EXT:
- case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
- if (baseFormat == GL_DEPTH_COMPONENT || baseFormat == GL_DEPTH_STENCIL)
- return _mesa_get_format_bits(format, pname);
- else
- return 0;
- case GL_RENDERBUFFER_STENCIL_SIZE_EXT:
- case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:
- if (baseFormat == GL_STENCIL_INDEX || baseFormat == GL_DEPTH_STENCIL)
- return _mesa_get_format_bits(format, pname);
- else
- return 0;
- default:
- return 0;
- }
-}
-
-
-
-void GLAPIENTRY
-_mesa_RenderbufferStorageEXT(GLenum target, GLenum internalFormat,
- GLsizei width, GLsizei height)
-{
- /* GL_ARB_fbo says calling this function is equivalent to calling
- * glRenderbufferStorageMultisample() with samples=0. We pass in
- * a token value here just for error reporting purposes.
- */
- renderbuffer_storage(target, internalFormat, width, height, NO_SAMPLES);
-}
-
-
-void GLAPIENTRY
-_mesa_RenderbufferStorageMultisample(GLenum target, GLsizei samples,
- GLenum internalFormat,
- GLsizei width, GLsizei height)
-{
- renderbuffer_storage(target, internalFormat, width, height, samples);
-}
-
-
-/**
- * OpenGL ES version of glRenderBufferStorage.
- */
-void GLAPIENTRY
-_es_RenderbufferStorageEXT(GLenum target, GLenum internalFormat,
- GLsizei width, GLsizei height)
-{
- switch (internalFormat) {
- case GL_RGB565:
- /* XXX this confuses GL_RENDERBUFFER_INTERNAL_FORMAT_OES */
- /* choose a closest format */
- internalFormat = GL_RGB5;
- break;
- default:
- break;
- }
-
- renderbuffer_storage(target, internalFormat, width, height, 0);
-}
-
-
-void GLAPIENTRY
-_mesa_GetRenderbufferParameterivEXT(GLenum target, GLenum pname, GLint *params)
-{
- struct gl_renderbuffer *rb;
- GET_CURRENT_CONTEXT(ctx);
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (target != GL_RENDERBUFFER_EXT) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetRenderbufferParameterivEXT(target)");
- return;
- }
-
- rb = ctx->CurrentRenderbuffer;
- if (!rb) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetRenderbufferParameterivEXT");
- return;
- }
-
- /* No need to flush here since we're just quering state which is
- * not effected by rendering.
- */
-
- switch (pname) {
- case GL_RENDERBUFFER_WIDTH_EXT:
- *params = rb->Width;
- return;
- case GL_RENDERBUFFER_HEIGHT_EXT:
- *params = rb->Height;
- return;
- case GL_RENDERBUFFER_INTERNAL_FORMAT_EXT:
- *params = rb->InternalFormat;
- return;
- case GL_RENDERBUFFER_RED_SIZE_EXT:
- case GL_RENDERBUFFER_GREEN_SIZE_EXT:
- case GL_RENDERBUFFER_BLUE_SIZE_EXT:
- case GL_RENDERBUFFER_ALPHA_SIZE_EXT:
- case GL_RENDERBUFFER_DEPTH_SIZE_EXT:
- case GL_RENDERBUFFER_STENCIL_SIZE_EXT:
- *params = get_component_bits(pname, rb->_BaseFormat, rb->Format);
- break;
- case GL_RENDERBUFFER_SAMPLES:
- if (ctx->Extensions.ARB_framebuffer_object) {
- *params = rb->NumSamples;
- break;
- }
- /* fallthrough */
- default:
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetRenderbufferParameterivEXT(target)");
- return;
- }
-}
-
-
-GLboolean GLAPIENTRY
-_mesa_IsFramebufferEXT(GLuint framebuffer)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
- if (framebuffer) {
- struct gl_framebuffer *rb = _mesa_lookup_framebuffer(ctx, framebuffer);
- if (rb != NULL && rb != &DummyFramebuffer)
- return GL_TRUE;
- }
- return GL_FALSE;
-}
-
-
-/**
- * Check if any of the attachments of the given framebuffer are textures
- * (render to texture). Call ctx->Driver.RenderTexture() for such
- * attachments.
- */
-static void
-check_begin_texture_render(struct gl_context *ctx, struct gl_framebuffer *fb)
-{
- GLuint i;
- ASSERT(ctx->Driver.RenderTexture);
-
- if (fb->Name == 0)
- return; /* can't render to texture with winsys framebuffers */
-
- for (i = 0; i < BUFFER_COUNT; i++) {
- struct gl_renderbuffer_attachment *att = fb->Attachment + i;
- struct gl_texture_object *texObj = att->Texture;
- if (texObj
- && texObj->Image[att->CubeMapFace][att->TextureLevel]) {
- ctx->Driver.RenderTexture(ctx, fb, att);
- }
- }
-}
-
-
-/**
- * Examine all the framebuffer's attachments to see if any are textures.
- * If so, call ctx->Driver.FinishRenderTexture() for each texture to
- * notify the device driver that the texture image may have changed.
- */
-static void
-check_end_texture_render(struct gl_context *ctx, struct gl_framebuffer *fb)
-{
- if (fb->Name == 0)
- return; /* can't render to texture with winsys framebuffers */
-
- if (ctx->Driver.FinishRenderTexture) {
- GLuint i;
- for (i = 0; i < BUFFER_COUNT; i++) {
- struct gl_renderbuffer_attachment *att = fb->Attachment + i;
- if (att->Texture && att->Renderbuffer) {
- ctx->Driver.FinishRenderTexture(ctx, att);
- }
- }
- }
-}
-
-
-void GLAPIENTRY
-_mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer)
-{
- struct gl_framebuffer *newDrawFb, *newReadFb;
- struct gl_framebuffer *oldDrawFb, *oldReadFb;
- GLboolean bindReadBuf, bindDrawBuf;
- GET_CURRENT_CONTEXT(ctx);
-
-#ifdef DEBUG
- if (ctx->Extensions.ARB_framebuffer_object) {
- ASSERT(ctx->Extensions.EXT_framebuffer_object);
- ASSERT(ctx->Extensions.EXT_framebuffer_blit);
- }
-#endif
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (!ctx->Extensions.EXT_framebuffer_object) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBindFramebufferEXT(unsupported)");
- return;
- }
-
- switch (target) {
-#if FEATURE_EXT_framebuffer_blit
- case GL_DRAW_FRAMEBUFFER_EXT:
- if (!ctx->Extensions.EXT_framebuffer_blit) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBindFramebufferEXT(target)");
- return;
- }
- bindDrawBuf = GL_TRUE;
- bindReadBuf = GL_FALSE;
- break;
- case GL_READ_FRAMEBUFFER_EXT:
- if (!ctx->Extensions.EXT_framebuffer_blit) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBindFramebufferEXT(target)");
- return;
- }
- bindDrawBuf = GL_FALSE;
- bindReadBuf = GL_TRUE;
- break;
-#endif
- case GL_FRAMEBUFFER_EXT:
- bindDrawBuf = GL_TRUE;
- bindReadBuf = GL_TRUE;
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glBindFramebufferEXT(target)");
- return;
- }
-
- if (framebuffer) {
- /* Binding a user-created framebuffer object */
- newDrawFb = _mesa_lookup_framebuffer(ctx, framebuffer);
- if (newDrawFb == &DummyFramebuffer) {
- /* ID was reserved, but no real framebuffer object made yet */
- newDrawFb = NULL;
- }
- else if (!newDrawFb && ctx->Extensions.ARB_framebuffer_object) {
- /* All FBO IDs must be Gen'd */
- _mesa_error(ctx, GL_INVALID_OPERATION, "glBindFramebuffer(buffer)");
- return;
- }
-
- if (!newDrawFb) {
- /* create new framebuffer object */
- newDrawFb = ctx->Driver.NewFramebuffer(ctx, framebuffer);
- if (!newDrawFb) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindFramebufferEXT");
- return;
- }
- _mesa_HashInsert(ctx->Shared->FrameBuffers, framebuffer, newDrawFb);
- }
- newReadFb = newDrawFb;
- }
- else {
- /* Binding the window system framebuffer (which was originally set
- * with MakeCurrent).
- */
- newDrawFb = ctx->WinSysDrawBuffer;
- newReadFb = ctx->WinSysReadBuffer;
- }
-
- ASSERT(newDrawFb);
- ASSERT(newDrawFb != &DummyFramebuffer);
-
- /* save pointers to current/old framebuffers */
- oldDrawFb = ctx->DrawBuffer;
- oldReadFb = ctx->ReadBuffer;
-
- /* check if really changing bindings */
- if (oldDrawFb == newDrawFb)
- bindDrawBuf = GL_FALSE;
- if (oldReadFb == newReadFb)
- bindReadBuf = GL_FALSE;
-
- /*
- * OK, now bind the new Draw/Read framebuffers, if they're changing.
- *
- * We also check if we're beginning and/or ending render-to-texture.
- * When a framebuffer with texture attachments is unbound, call
- * ctx->Driver.FinishRenderTexture().
- * When a framebuffer with texture attachments is bound, call
- * ctx->Driver.RenderTexture().
- *
- * Note that if the ReadBuffer has texture attachments we don't consider
- * that a render-to-texture case.
- */
- if (bindReadBuf) {
- FLUSH_VERTICES(ctx, _NEW_BUFFERS);
-
- /* check if old readbuffer was render-to-texture */
- check_end_texture_render(ctx, oldReadFb);
-
- _mesa_reference_framebuffer(&ctx->ReadBuffer, newReadFb);
- }
-
- if (bindDrawBuf) {
- FLUSH_VERTICES(ctx, _NEW_BUFFERS);
-
- /* check if old read/draw buffers were render-to-texture */
- if (!bindReadBuf)
- check_end_texture_render(ctx, oldReadFb);
-
- if (oldDrawFb != oldReadFb)
- check_end_texture_render(ctx, oldDrawFb);
-
- /* check if newly bound framebuffer has any texture attachments */
- check_begin_texture_render(ctx, newDrawFb);
-
- _mesa_reference_framebuffer(&ctx->DrawBuffer, newDrawFb);
- }
-
- if ((bindDrawBuf || bindReadBuf) && ctx->Driver.BindFramebuffer) {
- ctx->Driver.BindFramebuffer(ctx, target, newDrawFb, newReadFb);
- }
-}
-
-
-void GLAPIENTRY
-_mesa_DeleteFramebuffersEXT(GLsizei n, const GLuint *framebuffers)
-{
- GLint i;
- GET_CURRENT_CONTEXT(ctx);
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
- FLUSH_VERTICES(ctx, _NEW_BUFFERS);
-
- for (i = 0; i < n; i++) {
- if (framebuffers[i] > 0) {
- struct gl_framebuffer *fb;
- fb = _mesa_lookup_framebuffer(ctx, framebuffers[i]);
- if (fb) {
- ASSERT(fb == &DummyFramebuffer || fb->Name == framebuffers[i]);
-
- /* check if deleting currently bound framebuffer object */
- if (ctx->Extensions.EXT_framebuffer_blit) {
- /* separate draw/read binding points */
- if (fb == ctx->DrawBuffer) {
- /* bind default */
- ASSERT(fb->RefCount >= 2);
- _mesa_BindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, 0);
- }
- if (fb == ctx->ReadBuffer) {
- /* bind default */
- ASSERT(fb->RefCount >= 2);
- _mesa_BindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, 0);
- }
- }
- else {
- /* only one binding point for read/draw buffers */
- if (fb == ctx->DrawBuffer || fb == ctx->ReadBuffer) {
- /* bind default */
- ASSERT(fb->RefCount >= 2);
- _mesa_BindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
- }
- }
-
- /* remove from hash table immediately, to free the ID */
- _mesa_HashRemove(ctx->Shared->FrameBuffers, framebuffers[i]);
-
- if (fb != &DummyFramebuffer) {
- /* But the object will not be freed until it's no longer
- * bound in any context.
- */
- _mesa_reference_framebuffer(&fb, NULL);
- }
- }
- }
- }
-}
-
-
-void GLAPIENTRY
-_mesa_GenFramebuffersEXT(GLsizei n, GLuint *framebuffers)
-{
- GET_CURRENT_CONTEXT(ctx);
- GLuint first;
- GLint i;
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (n < 0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glGenFramebuffersEXT(n)");
- return;
- }
-
- if (!framebuffers)
- return;
-
- first = _mesa_HashFindFreeKeyBlock(ctx->Shared->FrameBuffers, n);
-
- for (i = 0; i < n; i++) {
- GLuint name = first + i;
- framebuffers[i] = name;
- /* insert dummy placeholder into hash table */
- _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
- _mesa_HashInsert(ctx->Shared->FrameBuffers, name, &DummyFramebuffer);
- _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
- }
-}
-
-
-
-GLenum GLAPIENTRY
-_mesa_CheckFramebufferStatusEXT(GLenum target)
-{
- struct gl_framebuffer *buffer;
- GET_CURRENT_CONTEXT(ctx);
-
- ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, 0);
-
- buffer = get_framebuffer_target(ctx, target);
- if (!buffer) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glCheckFramebufferStatus(target)");
- return 0;
- }
-
- if (buffer->Name == 0) {
- /* The window system / default framebuffer is always complete */
- return GL_FRAMEBUFFER_COMPLETE_EXT;
- }
-
- /* No need to flush here */
-
- if (buffer->_Status != GL_FRAMEBUFFER_COMPLETE) {
- _mesa_test_framebuffer_completeness(ctx, buffer);
- }
-
- return buffer->_Status;
-}
-
-
-
-/**
- * Common code called by glFramebufferTexture1D/2D/3DEXT().
- */
-static void
-framebuffer_texture(struct gl_context *ctx, const char *caller, GLenum target,
- GLenum attachment, GLenum textarget, GLuint texture,
- GLint level, GLint zoffset)
-{
- struct gl_renderbuffer_attachment *att;
- struct gl_texture_object *texObj = NULL;
- struct gl_framebuffer *fb;
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- fb = get_framebuffer_target(ctx, target);
- if (!fb) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glFramebufferTexture%sEXT(target=0x%x)", caller, target);
- return;
- }
-
- /* check framebuffer binding */
- if (fb->Name == 0) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glFramebufferTexture%sEXT", caller);
- return;
- }
-
-
- /* The textarget, level, and zoffset parameters are only validated if
- * texture is non-zero.
- */
- if (texture) {
- GLboolean err = GL_TRUE;
-
- texObj = _mesa_lookup_texture(ctx, texture);
- if (texObj != NULL) {
- if (textarget == 0) {
- /* XXX what's the purpose of this? */
- err = (texObj->Target != GL_TEXTURE_3D) &&
- (texObj->Target != GL_TEXTURE_1D_ARRAY_EXT) &&
- (texObj->Target != GL_TEXTURE_2D_ARRAY_EXT);
- }
- else {
- err = (texObj->Target == GL_TEXTURE_CUBE_MAP)
- ? !IS_CUBE_FACE(textarget)
- : (texObj->Target != textarget);
- }
- }
- else {
- /* can't render to a non-existant texture */
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glFramebufferTexture%sEXT(non existant texture)",
- caller);
- return;
- }
-
- if (err) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glFramebufferTexture%sEXT(texture target mismatch)",
- caller);
- return;
- }
-
- if (texObj->Target == GL_TEXTURE_3D) {
- const GLint maxSize = 1 << (ctx->Const.Max3DTextureLevels - 1);
- if (zoffset < 0 || zoffset >= maxSize) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glFramebufferTexture%sEXT(zoffset)", caller);
- return;
- }
- }
- else if ((texObj->Target == GL_TEXTURE_1D_ARRAY_EXT) ||
- (texObj->Target == GL_TEXTURE_2D_ARRAY_EXT)) {
- if (zoffset < 0 || zoffset >= ctx->Const.MaxArrayTextureLayers) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glFramebufferTexture%sEXT(layer)", caller);
- return;
- }
- }
-
- if ((level < 0) ||
- (level >= _mesa_max_texture_levels(ctx, texObj->Target))) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glFramebufferTexture%sEXT(level)", caller);
- return;
- }
- }
-
- att = _mesa_get_attachment(ctx, fb, attachment);
- if (att == NULL) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glFramebufferTexture%sEXT(attachment)", caller);
- return;
- }
-
- FLUSH_VERTICES(ctx, _NEW_BUFFERS);
-
- _glthread_LOCK_MUTEX(fb->Mutex);
- if (texObj) {
- _mesa_set_texture_attachment(ctx, fb, att, texObj, textarget,
- level, zoffset);
- /* Set the render-to-texture flag. We'll check this flag in
- * glTexImage() and friends to determine if we need to revalidate
- * any FBOs that might be rendering into this texture.
- * This flag never gets cleared since it's non-trivial to determine
- * when all FBOs might be done rendering to this texture. That's OK
- * though since it's uncommon to render to a texture then repeatedly
- * call glTexImage() to change images in the texture.
- */
- texObj->_RenderToTexture = GL_TRUE;
- }
- else {
- _mesa_remove_attachment(ctx, att);
- }
-
- invalidate_framebuffer(fb);
-
- _glthread_UNLOCK_MUTEX(fb->Mutex);
-}
-
-
-
-void GLAPIENTRY
-_mesa_FramebufferTexture1DEXT(GLenum target, GLenum attachment,
- GLenum textarget, GLuint texture, GLint level)
-{
- GET_CURRENT_CONTEXT(ctx);
-
- if ((texture != 0) && (textarget != GL_TEXTURE_1D)) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glFramebufferTexture1DEXT(textarget)");
- return;
- }
-
- framebuffer_texture(ctx, "1D", target, attachment, textarget, texture,
- level, 0);
-}
-
-
-void GLAPIENTRY
-_mesa_FramebufferTexture2DEXT(GLenum target, GLenum attachment,
- GLenum textarget, GLuint texture, GLint level)
-{
- GET_CURRENT_CONTEXT(ctx);
-
- if ((texture != 0) &&
- (textarget != GL_TEXTURE_2D) &&
- (textarget != GL_TEXTURE_RECTANGLE_ARB) &&
- (!IS_CUBE_FACE(textarget))) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glFramebufferTexture2DEXT(textarget=0x%x)", textarget);
- return;
- }
-
- framebuffer_texture(ctx, "2D", target, attachment, textarget, texture,
- level, 0);
-}
-
-
-void GLAPIENTRY
-_mesa_FramebufferTexture3DEXT(GLenum target, GLenum attachment,
- GLenum textarget, GLuint texture,
- GLint level, GLint zoffset)
-{
- GET_CURRENT_CONTEXT(ctx);
-
- if ((texture != 0) && (textarget != GL_TEXTURE_3D)) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glFramebufferTexture3DEXT(textarget)");
- return;
- }
-
- framebuffer_texture(ctx, "3D", target, attachment, textarget, texture,
- level, zoffset);
-}
-
-
-void GLAPIENTRY
-_mesa_FramebufferTextureLayerEXT(GLenum target, GLenum attachment,
- GLuint texture, GLint level, GLint layer)
-{
- GET_CURRENT_CONTEXT(ctx);
-
- framebuffer_texture(ctx, "Layer", target, attachment, 0, texture,
- level, layer);
-}
-
-
-void GLAPIENTRY
-_mesa_FramebufferRenderbufferEXT(GLenum target, GLenum attachment,
- GLenum renderbufferTarget,
- GLuint renderbuffer)
-{
- struct gl_renderbuffer_attachment *att;
- struct gl_framebuffer *fb;
- struct gl_renderbuffer *rb;
- GET_CURRENT_CONTEXT(ctx);
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- fb = get_framebuffer_target(ctx, target);
- if (!fb) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glFramebufferRenderbufferEXT(target)");
- return;
- }
-
- if (renderbufferTarget != GL_RENDERBUFFER_EXT) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glFramebufferRenderbufferEXT(renderbufferTarget)");
- return;
- }
-
- if (fb->Name == 0) {
- /* Can't attach new renderbuffers to a window system framebuffer */
- _mesa_error(ctx, GL_INVALID_OPERATION, "glFramebufferRenderbufferEXT");
- return;
- }
-
- att = _mesa_get_attachment(ctx, fb, attachment);
- if (att == NULL) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glFramebufferRenderbufferEXT(invalid attachment %s)",
- _mesa_lookup_enum_by_nr(attachment));
- return;
- }
-
- if (renderbuffer) {
- rb = _mesa_lookup_renderbuffer(ctx, renderbuffer);
- if (!rb) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glFramebufferRenderbufferEXT(non-existant"
- " renderbuffer %u)", renderbuffer);
- return;
- }
- else if (rb == &DummyRenderbuffer) {
- /* This is what NVIDIA does */
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glFramebufferRenderbufferEXT(renderbuffer %u)",
- renderbuffer);
- return;
- }
- }
- else {
- /* remove renderbuffer attachment */
- rb = NULL;
- }
-
- if (attachment == GL_DEPTH_STENCIL_ATTACHMENT &&
- rb && rb->Format != MESA_FORMAT_NONE) {
- /* make sure the renderbuffer is a depth/stencil format */
- const GLenum baseFormat = _mesa_get_format_base_format(rb->Format);
- if (baseFormat != GL_DEPTH_STENCIL) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glFramebufferRenderbufferEXT(renderbuffer"
- " is not DEPTH_STENCIL format)");
- return;
- }
- }
-
-
- FLUSH_VERTICES(ctx, _NEW_BUFFERS);
-
- assert(ctx->Driver.FramebufferRenderbuffer);
- ctx->Driver.FramebufferRenderbuffer(ctx, fb, attachment, rb);
-
- /* Some subsequent GL commands may depend on the framebuffer's visual
- * after the binding is updated. Update visual info now.
- */
- _mesa_update_framebuffer_visual(ctx, fb);
-}
-
-
-void GLAPIENTRY
-_mesa_GetFramebufferAttachmentParameterivEXT(GLenum target, GLenum attachment,
- GLenum pname, GLint *params)
-{
- const struct gl_renderbuffer_attachment *att;
- struct gl_framebuffer *buffer;
- GET_CURRENT_CONTEXT(ctx);
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- buffer = get_framebuffer_target(ctx, target);
- if (!buffer) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetFramebufferAttachmentParameterivEXT(target)");
- return;
- }
-
- if (buffer->Name == 0) {
- /* the default / window-system FBO */
- att = _mesa_get_fb0_attachment(ctx, buffer, attachment);
- }
- else {
- /* user-created framebuffer FBO */
- att = _mesa_get_attachment(ctx, buffer, attachment);
- }
-
- if (att == NULL) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetFramebufferAttachmentParameterivEXT(attachment)");
- return;
- }
-
- if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
- /* the depth and stencil attachments must point to the same buffer */
- const struct gl_renderbuffer_attachment *depthAtt, *stencilAtt;
- depthAtt = _mesa_get_attachment(ctx, buffer, GL_DEPTH_ATTACHMENT);
- stencilAtt = _mesa_get_attachment(ctx, buffer, GL_STENCIL_ATTACHMENT);
- if (depthAtt->Renderbuffer != stencilAtt->Renderbuffer) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetFramebufferAttachmentParameterivEXT(DEPTH/STENCIL"
- " attachments differ)");
- return;
- }
- }
-
- /* No need to flush here */
-
- switch (pname) {
- case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_EXT:
- *params = buffer->Name == 0 ? GL_FRAMEBUFFER_DEFAULT : att->Type;
- return;
- case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_EXT:
- if (att->Type == GL_RENDERBUFFER_EXT) {
- *params = att->Renderbuffer->Name;
- }
- else if (att->Type == GL_TEXTURE) {
- *params = att->Texture->Name;
- }
- else {
- assert(att->Type == GL_NONE);
- *params = 0;
- }
- return;
- case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL_EXT:
- if (att->Type == GL_TEXTURE) {
- *params = att->TextureLevel;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetFramebufferAttachmentParameterivEXT(pname)");
- }
- return;
- case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE_EXT:
- if (att->Type == GL_TEXTURE) {
- if (att->Texture && att->Texture->Target == GL_TEXTURE_CUBE_MAP) {
- *params = GL_TEXTURE_CUBE_MAP_POSITIVE_X + att->CubeMapFace;
- }
- else {
- *params = 0;
- }
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetFramebufferAttachmentParameterivEXT(pname)");
- }
- return;
- case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_3D_ZOFFSET_EXT:
- if (att->Type == GL_TEXTURE) {
- if (att->Texture && att->Texture->Target == GL_TEXTURE_3D) {
- *params = att->Zoffset;
- }
- else {
- *params = 0;
- }
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetFramebufferAttachmentParameterivEXT(pname)");
- }
- return;
- case GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING:
- if (!ctx->Extensions.ARB_framebuffer_object) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetFramebufferAttachmentParameterivEXT(pname)");
- }
- else {
- if (ctx->Extensions.EXT_framebuffer_sRGB && ctx->Const.sRGBCapable) {
- *params = _mesa_get_format_color_encoding(att->Renderbuffer->Format);
- }
- else {
- /* According to ARB_framebuffer_sRGB, we should return LINEAR
- * if the sRGB conversion is unsupported. */
- *params = GL_LINEAR;
- }
- }
- return;
- case GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE:
- if (!ctx->Extensions.ARB_framebuffer_object) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetFramebufferAttachmentParameterivEXT(pname)");
- return;
- }
- else {
- gl_format format = att->Renderbuffer->Format;
- if (format == MESA_FORMAT_CI8 || format == MESA_FORMAT_S8) {
- /* special cases */
- *params = GL_INDEX;
- }
- else {
- *params = _mesa_get_format_datatype(format);
- }
- }
- return;
- case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:
- case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:
- case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:
- case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
- case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
- case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:
- if (!ctx->Extensions.ARB_framebuffer_object) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetFramebufferAttachmentParameterivEXT(pname)");
- }
- else if (att->Texture) {
- const struct gl_texture_image *texImage =
- _mesa_select_tex_image(ctx, att->Texture, att->Texture->Target,
- att->TextureLevel);
- if (texImage) {
- *params = get_component_bits(pname, texImage->_BaseFormat,
- texImage->TexFormat);
- }
- else {
- *params = 0;
- }
- }
- else if (att->Renderbuffer) {
- *params = get_component_bits(pname, att->Renderbuffer->_BaseFormat,
- att->Renderbuffer->Format);
- }
- else {
- *params = 0;
- }
- return;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetFramebufferAttachmentParameterivEXT(pname)");
- return;
- }
-}
-
-
-void GLAPIENTRY
-_mesa_GenerateMipmapEXT(GLenum target)
-{
- struct gl_texture_object *texObj;
- GET_CURRENT_CONTEXT(ctx);
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
- FLUSH_VERTICES(ctx, _NEW_BUFFERS);
-
- switch (target) {
- case GL_TEXTURE_1D:
- case GL_TEXTURE_2D:
- case GL_TEXTURE_3D:
- case GL_TEXTURE_CUBE_MAP:
- /* OK, legal value */
- break;
- default:
- /* XXX need to implement GL_TEXTURE_1D_ARRAY and GL_TEXTURE_2D_ARRAY */
- _mesa_error(ctx, GL_INVALID_ENUM, "glGenerateMipmapEXT(target)");
- return;
- }
-
- texObj = _mesa_get_current_tex_object(ctx, target);
-
- if (texObj->BaseLevel >= texObj->MaxLevel) {
- /* nothing to do */
- return;
- }
-
- if (texObj->Target == GL_TEXTURE_CUBE_MAP &&
- !_mesa_cube_complete(texObj)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGenerateMipmap(incomplete cube map)");
- return;
- }
-
- _mesa_lock_texture(ctx, texObj);
- if (target == GL_TEXTURE_CUBE_MAP) {
- GLuint face;
- for (face = 0; face < 6; face++)
- ctx->Driver.GenerateMipmap(ctx,
- GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB + face,
- texObj);
- }
- else {
- ctx->Driver.GenerateMipmap(ctx, target, texObj);
- }
- _mesa_unlock_texture(ctx, texObj);
-}
-
-
-#if FEATURE_EXT_framebuffer_blit
-
-static const struct gl_renderbuffer_attachment *
-find_attachment(const struct gl_framebuffer *fb,
- const struct gl_renderbuffer *rb)
-{
- GLuint i;
- for (i = 0; i < Elements(fb->Attachment); i++) {
- if (fb->Attachment[i].Renderbuffer == rb)
- return &fb->Attachment[i];
- }
- return NULL;
-}
-
-
-
-/**
- * Blit rectangular region, optionally from one framebuffer to another.
- *
- * Note, if the src buffer is multisampled and the dest is not, this is
- * when the samples must be resolved to a single color.
- */
-void GLAPIENTRY
-_mesa_BlitFramebufferEXT(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
- GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
- GLbitfield mask, GLenum filter)
-{
- const GLbitfield legalMaskBits = (GL_COLOR_BUFFER_BIT |
- GL_DEPTH_BUFFER_BIT |
- GL_STENCIL_BUFFER_BIT);
- const struct gl_framebuffer *readFb, *drawFb;
- const struct gl_renderbuffer *colorReadRb, *colorDrawRb;
- GET_CURRENT_CONTEXT(ctx);
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
- FLUSH_VERTICES(ctx, _NEW_BUFFERS);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx,
- "glBlitFramebuffer(%d, %d, %d, %d, %d, %d, %d, %d, 0x%x, %s)\n",
- srcX0, srcY0, srcX1, srcY1,
- dstX0, dstY0, dstX1, dstY1,
- mask, _mesa_lookup_enum_by_nr(filter));
-
- if (ctx->NewState) {
- _mesa_update_state(ctx);
- }
-
- readFb = ctx->ReadBuffer;
- drawFb = ctx->DrawBuffer;
-
- if (!readFb || !drawFb) {
- /* This will normally never happen but someday we may want to
- * support MakeCurrent() with no drawables.
- */
- return;
- }
-
- /* check for complete framebuffers */
- if (drawFb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT ||
- readFb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
- _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
- "glBlitFramebufferEXT(incomplete draw/read buffers)");
- return;
- }
-
- if (filter != GL_NEAREST && filter != GL_LINEAR) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBlitFramebufferEXT(filter)");
- return;
- }
-
- if (mask & ~legalMaskBits) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glBlitFramebufferEXT(mask)");
- return;
- }
-
- /* depth/stencil must be blitted with nearest filtering */
- if ((mask & (GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT))
- && filter != GL_NEAREST) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebufferEXT(depth/stencil requires GL_NEAREST filter");
- return;
- }
-
- /* get color read/draw renderbuffers */
- if (mask & GL_COLOR_BUFFER_BIT) {
- colorReadRb = readFb->_ColorReadBuffer;
- colorDrawRb = drawFb->_ColorDrawBuffers[0];
- }
- else {
- colorReadRb = colorDrawRb = NULL;
- }
-
- if (mask & GL_STENCIL_BUFFER_BIT) {
- struct gl_renderbuffer *readRb = readFb->_StencilBuffer;
- struct gl_renderbuffer *drawRb = drawFb->_StencilBuffer;
- if (!readRb ||
- !drawRb ||
- _mesa_get_format_bits(readRb->Format, GL_STENCIL_BITS) !=
- _mesa_get_format_bits(drawRb->Format, GL_STENCIL_BITS)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebufferEXT(stencil buffer size mismatch");
- return;
- }
- }
-
- if (mask & GL_DEPTH_BUFFER_BIT) {
- struct gl_renderbuffer *readRb = readFb->_DepthBuffer;
- struct gl_renderbuffer *drawRb = drawFb->_DepthBuffer;
- if (!readRb ||
- !drawRb ||
- _mesa_get_format_bits(readRb->Format, GL_DEPTH_BITS) !=
- _mesa_get_format_bits(drawRb->Format, GL_DEPTH_BITS)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebufferEXT(depth buffer size mismatch");
- return;
- }
- }
-
- if (readFb->Visual.samples > 0 &&
- drawFb->Visual.samples > 0 &&
- readFb->Visual.samples != drawFb->Visual.samples) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebufferEXT(mismatched samples");
- return;
- }
-
- /* extra checks for multisample copies... */
- if (readFb->Visual.samples > 0 || drawFb->Visual.samples > 0) {
- /* src and dest region sizes must be the same */
- if (srcX1 - srcX0 != dstX1 - dstX0 ||
- srcY1 - srcY0 != dstY1 - dstY0) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebufferEXT(bad src/dst multisample region sizes");
- return;
- }
-
- /* color formats must match */
- if (colorReadRb &&
- colorDrawRb &&
- colorReadRb->Format != colorDrawRb->Format) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBlitFramebufferEXT(bad src/dst multisample pixel formats");
- return;
- }
- }
-
- if (!ctx->Extensions.EXT_framebuffer_blit) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glBlitFramebufferEXT");
- return;
- }
-
- /* Debug code */
- if (DEBUG_BLIT) {
- printf("glBlitFramebuffer(%d, %d, %d, %d, %d, %d, %d, %d,"
- " 0x%x, 0x%x)\n",
- srcX0, srcY0, srcX1, srcY1,
- dstX0, dstY0, dstX1, dstY1,
- mask, filter);
- if (colorReadRb) {
- const struct gl_renderbuffer_attachment *att;
-
- att = find_attachment(readFb, colorReadRb);
- printf(" Src FBO %u RB %u (%dx%d) ",
- readFb->Name, colorReadRb->Name,
- colorReadRb->Width, colorReadRb->Height);
- if (att && att->Texture) {
- printf("Tex %u tgt 0x%x level %u face %u",
- att->Texture->Name,
- att->Texture->Target,
- att->TextureLevel,
- att->CubeMapFace);
- }
- printf("\n");
-
- att = find_attachment(drawFb, colorDrawRb);
- printf(" Dst FBO %u RB %u (%dx%d) ",
- drawFb->Name, colorDrawRb->Name,
- colorDrawRb->Width, colorDrawRb->Height);
- if (att && att->Texture) {
- printf("Tex %u tgt 0x%x level %u face %u",
- att->Texture->Name,
- att->Texture->Target,
- att->TextureLevel,
- att->CubeMapFace);
- }
- printf("\n");
- }
- }
-
- ASSERT(ctx->Driver.BlitFramebuffer);
- ctx->Driver.BlitFramebuffer(ctx,
- srcX0, srcY0, srcX1, srcY1,
- dstX0, dstY0, dstX1, dstY1,
- mask, filter);
-}
-#endif /* FEATURE_EXT_framebuffer_blit */
-
-#if FEATURE_ARB_geometry_shader4
-void GLAPIENTRY
-_mesa_FramebufferTextureARB(GLenum target, GLenum attachment,
- GLuint texture, GLint level)
-{
- GET_CURRENT_CONTEXT(ctx);
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glFramebufferTextureARB "
- "not implemented!");
-}
-
-void GLAPIENTRY
-_mesa_FramebufferTextureFaceARB(GLenum target, GLenum attachment,
- GLuint texture, GLint level, GLenum face)
-{
- GET_CURRENT_CONTEXT(ctx);
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glFramebufferTextureFaceARB "
- "not implemented!");
-}
-#endif /* FEATURE_ARB_geometry_shader4 */
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.1
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2009 VMware, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/*
+ * GL_EXT/ARB_framebuffer_object extensions
+ *
+ * Authors:
+ * Brian Paul
+ */
+
+
+#include "buffers.h"
+#include "context.h"
+#include "enums.h"
+#include "fbobject.h"
+#include "formats.h"
+#include "framebuffer.h"
+#include "hash.h"
+#include "macros.h"
+#include "mfeatures.h"
+#include "mtypes.h"
+#include "renderbuffer.h"
+#include "state.h"
+#include "teximage.h"
+#include "texobj.h"
+
+
+/** Set this to 1 to help debug FBO incompleteness problems */
+#define DEBUG_FBO 0
+
+/** Set this to 1 to debug/log glBlitFramebuffer() calls */
+#define DEBUG_BLIT 0
+
+
+/**
+ * Notes:
+ *
+ * None of the GL_EXT_framebuffer_object functions are compiled into
+ * display lists.
+ */
+
+
+
+/*
+ * When glGenRender/FramebuffersEXT() is called we insert pointers to
+ * these placeholder objects into the hash table.
+ * Later, when the object ID is first bound, we replace the placeholder
+ * with the real frame/renderbuffer.
+ */
+static struct gl_framebuffer DummyFramebuffer;
+static struct gl_renderbuffer DummyRenderbuffer;
+
+/* We bind this framebuffer when applications pass a NULL
+ * drawable/surface in make current. */
+static struct gl_framebuffer IncompleteFramebuffer;
+
+
+#define IS_CUBE_FACE(TARGET) \
+ ((TARGET) >= GL_TEXTURE_CUBE_MAP_POSITIVE_X && \
+ (TARGET) <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z)
+
+
+static void
+delete_dummy_renderbuffer(struct gl_renderbuffer *rb)
+{
+ /* no op */
+}
+
+static void
+delete_dummy_framebuffer(struct gl_framebuffer *fb)
+{
+ /* no op */
+}
+
+
+void
+_mesa_init_fbobjects(struct gl_context *ctx)
+{
+ _glthread_INIT_MUTEX(DummyFramebuffer.Mutex);
+ _glthread_INIT_MUTEX(DummyRenderbuffer.Mutex);
+ _glthread_INIT_MUTEX(IncompleteFramebuffer.Mutex);
+ DummyFramebuffer.Delete = delete_dummy_framebuffer;
+ DummyRenderbuffer.Delete = delete_dummy_renderbuffer;
+ IncompleteFramebuffer.Delete = delete_dummy_framebuffer;
+}
+
+struct gl_framebuffer *
+_mesa_get_incomplete_framebuffer(void)
+{
+ return &IncompleteFramebuffer;
+}
+
+/**
+ * Helper routine for getting a gl_renderbuffer.
+ */
+struct gl_renderbuffer *
+_mesa_lookup_renderbuffer(struct gl_context *ctx, GLuint id)
+{
+ struct gl_renderbuffer *rb;
+
+ if (id == 0)
+ return NULL;
+
+ rb = (struct gl_renderbuffer *)
+ _mesa_HashLookup(ctx->Shared->RenderBuffers, id);
+ return rb;
+}
+
+
+/**
+ * Helper routine for getting a gl_framebuffer.
+ */
+struct gl_framebuffer *
+_mesa_lookup_framebuffer(struct gl_context *ctx, GLuint id)
+{
+ struct gl_framebuffer *fb;
+
+ if (id == 0)
+ return NULL;
+
+ fb = (struct gl_framebuffer *)
+ _mesa_HashLookup(ctx->Shared->FrameBuffers, id);
+ return fb;
+}
+
+
+/**
+ * Mark the given framebuffer as invalid. This will force the
+ * test for framebuffer completeness to be done before the framebuffer
+ * is used.
+ */
+static void
+invalidate_framebuffer(struct gl_framebuffer *fb)
+{
+ fb->_Status = 0; /* "indeterminate" */
+}
+
+
+/**
+ * Return the gl_framebuffer object which corresponds to the given
+ * framebuffer target, such as GL_DRAW_FRAMEBUFFER.
+ * Check support for GL_EXT_framebuffer_blit to determine if certain
+ * targets are legal.
+ * \return gl_framebuffer pointer or NULL if target is illegal
+ */
+static struct gl_framebuffer *
+get_framebuffer_target(struct gl_context *ctx, GLenum target)
+{
+ switch (target) {
+ case GL_DRAW_FRAMEBUFFER:
+ return ctx->Extensions.EXT_framebuffer_blit ? ctx->DrawBuffer : NULL;
+ case GL_READ_FRAMEBUFFER:
+ return ctx->Extensions.EXT_framebuffer_blit ? ctx->ReadBuffer : NULL;
+ case GL_FRAMEBUFFER_EXT:
+ return ctx->DrawBuffer;
+ default:
+ return NULL;
+ }
+}
+
+
+/**
+ * Given a GL_*_ATTACHMENTn token, return a pointer to the corresponding
+ * gl_renderbuffer_attachment object.
+ * This function is only used for user-created FB objects, not the
+ * default / window-system FB object.
+ * If \p attachment is GL_DEPTH_STENCIL_ATTACHMENT, return a pointer to
+ * the depth buffer attachment point.
+ */
+struct gl_renderbuffer_attachment *
+_mesa_get_attachment(struct gl_context *ctx, struct gl_framebuffer *fb,
+ GLenum attachment)
+{
+ GLuint i;
+
+ assert(fb->Name > 0);
+
+ switch (attachment) {
+ case GL_COLOR_ATTACHMENT0_EXT:
+ case GL_COLOR_ATTACHMENT1_EXT:
+ case GL_COLOR_ATTACHMENT2_EXT:
+ case GL_COLOR_ATTACHMENT3_EXT:
+ case GL_COLOR_ATTACHMENT4_EXT:
+ case GL_COLOR_ATTACHMENT5_EXT:
+ case GL_COLOR_ATTACHMENT6_EXT:
+ case GL_COLOR_ATTACHMENT7_EXT:
+ case GL_COLOR_ATTACHMENT8_EXT:
+ case GL_COLOR_ATTACHMENT9_EXT:
+ case GL_COLOR_ATTACHMENT10_EXT:
+ case GL_COLOR_ATTACHMENT11_EXT:
+ case GL_COLOR_ATTACHMENT12_EXT:
+ case GL_COLOR_ATTACHMENT13_EXT:
+ case GL_COLOR_ATTACHMENT14_EXT:
+ case GL_COLOR_ATTACHMENT15_EXT:
+ i = attachment - GL_COLOR_ATTACHMENT0_EXT;
+ if (i >= ctx->Const.MaxColorAttachments) {
+ return NULL;
+ }
+ return &fb->Attachment[BUFFER_COLOR0 + i];
+ case GL_DEPTH_STENCIL_ATTACHMENT:
+ /* fall-through */
+ case GL_DEPTH_BUFFER:
+ /* fall-through / new in GL 3.0 */
+ case GL_DEPTH_ATTACHMENT_EXT:
+ return &fb->Attachment[BUFFER_DEPTH];
+ case GL_STENCIL_BUFFER:
+ /* fall-through / new in GL 3.0 */
+ case GL_STENCIL_ATTACHMENT_EXT:
+ return &fb->Attachment[BUFFER_STENCIL];
+ default:
+ return NULL;
+ }
+}
+
+
+/**
+ * As above, but only used for getting attachments of the default /
+ * window-system framebuffer (not user-created framebuffer objects).
+ */
+static struct gl_renderbuffer_attachment *
+_mesa_get_fb0_attachment(struct gl_context *ctx, struct gl_framebuffer *fb,
+ GLenum attachment)
+{
+ assert(fb->Name == 0);
+
+ switch (attachment) {
+ case GL_FRONT_LEFT:
+ return &fb->Attachment[BUFFER_FRONT_LEFT];
+ case GL_FRONT_RIGHT:
+ return &fb->Attachment[BUFFER_FRONT_RIGHT];
+ case GL_BACK_LEFT:
+ return &fb->Attachment[BUFFER_BACK_LEFT];
+ case GL_BACK_RIGHT:
+ return &fb->Attachment[BUFFER_BACK_RIGHT];
+ case GL_AUX0:
+ if (fb->Visual.numAuxBuffers == 1) {
+ return &fb->Attachment[BUFFER_AUX0];
+ }
+ return NULL;
+ case GL_DEPTH_BUFFER:
+ /* fall-through / new in GL 3.0 */
+ case GL_DEPTH_ATTACHMENT_EXT:
+ return &fb->Attachment[BUFFER_DEPTH];
+ case GL_STENCIL_BUFFER:
+ /* fall-through / new in GL 3.0 */
+ case GL_STENCIL_ATTACHMENT_EXT:
+ return &fb->Attachment[BUFFER_STENCIL];
+ default:
+ return NULL;
+ }
+}
+
+
+
+/**
+ * Remove any texture or renderbuffer attached to the given attachment
+ * point. Update reference counts, etc.
+ */
+void
+_mesa_remove_attachment(struct gl_context *ctx,
+ struct gl_renderbuffer_attachment *att)
+{
+ if (att->Type == GL_TEXTURE) {
+ ASSERT(att->Texture);
+ if (ctx->Driver.FinishRenderTexture) {
+ /* tell driver that we're done rendering to this texture. */
+ ctx->Driver.FinishRenderTexture(ctx, att);
+ }
+ _mesa_reference_texobj(&att->Texture, NULL); /* unbind */
+ ASSERT(!att->Texture);
+ }
+ if (att->Type == GL_TEXTURE || att->Type == GL_RENDERBUFFER_EXT) {
+ ASSERT(!att->Texture);
+ _mesa_reference_renderbuffer(&att->Renderbuffer, NULL); /* unbind */
+ ASSERT(!att->Renderbuffer);
+ }
+ att->Type = GL_NONE;
+ att->Complete = GL_TRUE;
+}
+
+
+/**
+ * Bind a texture object to an attachment point.
+ * The previous binding, if any, will be removed first.
+ */
+void
+_mesa_set_texture_attachment(struct gl_context *ctx,
+ struct gl_framebuffer *fb,
+ struct gl_renderbuffer_attachment *att,
+ struct gl_texture_object *texObj,
+ GLenum texTarget, GLuint level, GLuint zoffset)
+{
+ if (att->Texture == texObj) {
+ /* re-attaching same texture */
+ ASSERT(att->Type == GL_TEXTURE);
+ if (ctx->Driver.FinishRenderTexture)
+ ctx->Driver.FinishRenderTexture(ctx, att);
+ }
+ else {
+ /* new attachment */
+ if (ctx->Driver.FinishRenderTexture && att->Texture)
+ ctx->Driver.FinishRenderTexture(ctx, att);
+ _mesa_remove_attachment(ctx, att);
+ att->Type = GL_TEXTURE;
+ assert(!att->Texture);
+ _mesa_reference_texobj(&att->Texture, texObj);
+ }
+
+ /* always update these fields */
+ att->TextureLevel = level;
+ att->CubeMapFace = _mesa_tex_target_to_face(texTarget);
+ att->Zoffset = zoffset;
+ att->Complete = GL_FALSE;
+
+ if (att->Texture->Image[att->CubeMapFace][att->TextureLevel]) {
+ ctx->Driver.RenderTexture(ctx, fb, att);
+ }
+
+ invalidate_framebuffer(fb);
+}
+
+
+/**
+ * Bind a renderbuffer to an attachment point.
+ * The previous binding, if any, will be removed first.
+ */
+void
+_mesa_set_renderbuffer_attachment(struct gl_context *ctx,
+ struct gl_renderbuffer_attachment *att,
+ struct gl_renderbuffer *rb)
+{
+ /* XXX check if re-doing same attachment, exit early */
+ _mesa_remove_attachment(ctx, att);
+ att->Type = GL_RENDERBUFFER_EXT;
+ att->Texture = NULL; /* just to be safe */
+ att->Complete = GL_FALSE;
+ _mesa_reference_renderbuffer(&att->Renderbuffer, rb);
+}
+
+
+/**
+ * Fallback for ctx->Driver.FramebufferRenderbuffer()
+ * Attach a renderbuffer object to a framebuffer object.
+ */
+void
+_mesa_framebuffer_renderbuffer(struct gl_context *ctx,
+ struct gl_framebuffer *fb,
+ GLenum attachment, struct gl_renderbuffer *rb)
+{
+ struct gl_renderbuffer_attachment *att;
+
+ _glthread_LOCK_MUTEX(fb->Mutex);
+
+ att = _mesa_get_attachment(ctx, fb, attachment);
+ ASSERT(att);
+ if (rb) {
+ _mesa_set_renderbuffer_attachment(ctx, att, rb);
+ if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
+ /* do stencil attachment here (depth already done above) */
+ att = _mesa_get_attachment(ctx, fb, GL_STENCIL_ATTACHMENT_EXT);
+ assert(att);
+ _mesa_set_renderbuffer_attachment(ctx, att, rb);
+ }
+ rb->AttachedAnytime = GL_TRUE;
+ }
+ else {
+ _mesa_remove_attachment(ctx, att);
+ }
+
+ invalidate_framebuffer(fb);
+
+ _glthread_UNLOCK_MUTEX(fb->Mutex);
+}
+
+
+/**
+ * Fallback for ctx->Driver.ValidateFramebuffer()
+ * Check if the renderbuffer's formats are supported by the software
+ * renderer.
+ * Drivers should probably override this.
+ */
+void
+_mesa_validate_framebuffer(struct gl_context *ctx, struct gl_framebuffer *fb)
+{
+ gl_buffer_index buf;
+ for (buf = 0; buf < BUFFER_COUNT; buf++) {
+ const struct gl_renderbuffer *rb = fb->Attachment[buf].Renderbuffer;
+ if (rb) {
+ switch (rb->_BaseFormat) {
+ case GL_ALPHA:
+ case GL_LUMINANCE_ALPHA:
+ case GL_LUMINANCE:
+ case GL_INTENSITY:
+ case GL_RED:
+ case GL_RG:
+ fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED;
+ return;
+ default:
+ /* render buffer format is supported by software rendering */
+ ;
+ }
+ }
+ }
+}
+
+
+/**
+ * For debug only.
+ */
+static void
+att_incomplete(const char *msg)
+{
+#if DEBUG_FBO
+ _mesa_debug(NULL, "attachment incomplete: %s\n", msg);
+#else
+ (void) msg;
+#endif
+}
+
+
+/**
+ * For debug only.
+ */
+static void
+fbo_incomplete(const char *msg, int index)
+{
+#if DEBUG_FBO
+ _mesa_debug(NULL, "FBO Incomplete: %s [%d]\n", msg, index);
+#else
+ (void) msg;
+ (void) index;
+#endif
+}
+
+
+/**
+ * Is the given base format a legal format for a color renderbuffer?
+ */
+GLboolean
+_mesa_is_legal_color_format(const struct gl_context *ctx, GLenum baseFormat)
+{
+ switch (baseFormat) {
+ case GL_RGB:
+ case GL_RGBA:
+ return GL_TRUE;
+ case GL_LUMINANCE:
+ case GL_LUMINANCE_ALPHA:
+ case GL_INTENSITY:
+ case GL_ALPHA:
+ return ctx->Extensions.ARB_framebuffer_object;
+ case GL_RED:
+ case GL_RG:
+ return ctx->Extensions.ARB_texture_rg;
+ default:
+ return GL_FALSE;
+ }
+}
+
+
+/**
+ * Is the given base format a legal format for a depth/stencil renderbuffer?
+ */
+static GLboolean
+is_legal_depth_format(const struct gl_context *ctx, GLenum baseFormat)
+{
+ switch (baseFormat) {
+ case GL_DEPTH_COMPONENT:
+ case GL_DEPTH_STENCIL_EXT:
+ return GL_TRUE;
+ default:
+ return GL_FALSE;
+ }
+}
+
+
+/**
+ * Test if an attachment point is complete and update its Complete field.
+ * \param format if GL_COLOR, this is a color attachment point,
+ * if GL_DEPTH, this is a depth component attachment point,
+ * if GL_STENCIL, this is a stencil component attachment point.
+ */
+static void
+test_attachment_completeness(const struct gl_context *ctx, GLenum format,
+ struct gl_renderbuffer_attachment *att)
+{
+ assert(format == GL_COLOR || format == GL_DEPTH || format == GL_STENCIL);
+
+ /* assume complete */
+ att->Complete = GL_TRUE;
+
+ /* Look for reasons why the attachment might be incomplete */
+ if (att->Type == GL_TEXTURE) {
+ const struct gl_texture_object *texObj = att->Texture;
+ struct gl_texture_image *texImage;
+ GLenum baseFormat;
+
+ if (!texObj) {
+ att_incomplete("no texobj");
+ att->Complete = GL_FALSE;
+ return;
+ }
+
+ texImage = texObj->Image[att->CubeMapFace][att->TextureLevel];
+ if (!texImage) {
+ att_incomplete("no teximage");
+ att->Complete = GL_FALSE;
+ return;
+ }
+ if (texImage->Width < 1 || texImage->Height < 1) {
+ att_incomplete("teximage width/height=0");
+ printf("texobj = %u\n", texObj->Name);
+ printf("level = %d\n", att->TextureLevel);
+ att->Complete = GL_FALSE;
+ return;
+ }
+ if (texObj->Target == GL_TEXTURE_3D && att->Zoffset >= texImage->Depth) {
+ att_incomplete("bad z offset");
+ att->Complete = GL_FALSE;
+ return;
+ }
+
+ baseFormat = _mesa_get_format_base_format(texImage->TexFormat);
+
+ if (format == GL_COLOR) {
+ if (!_mesa_is_legal_color_format(ctx, baseFormat)) {
+ att_incomplete("bad format");
+ att->Complete = GL_FALSE;
+ return;
+ }
+ if (_mesa_is_format_compressed(texImage->TexFormat)) {
+ att_incomplete("compressed internalformat");
+ att->Complete = GL_FALSE;
+ return;
+ }
+ }
+ else if (format == GL_DEPTH) {
+ if (baseFormat == GL_DEPTH_COMPONENT) {
+ /* OK */
+ }
+ else if (ctx->Extensions.EXT_packed_depth_stencil &&
+ ctx->Extensions.ARB_depth_texture &&
+ baseFormat == GL_DEPTH_STENCIL_EXT) {
+ /* OK */
+ }
+ else {
+ att->Complete = GL_FALSE;
+ att_incomplete("bad depth format");
+ return;
+ }
+ }
+ else {
+ ASSERT(format == GL_STENCIL);
+ if (ctx->Extensions.EXT_packed_depth_stencil &&
+ ctx->Extensions.ARB_depth_texture &&
+ baseFormat == GL_DEPTH_STENCIL_EXT) {
+ /* OK */
+ }
+ else {
+ /* no such thing as stencil-only textures */
+ att_incomplete("illegal stencil texture");
+ att->Complete = GL_FALSE;
+ return;
+ }
+ }
+ }
+ else if (att->Type == GL_RENDERBUFFER_EXT) {
+ const GLenum baseFormat =
+ _mesa_get_format_base_format(att->Renderbuffer->Format);
+
+ ASSERT(att->Renderbuffer);
+ if (!att->Renderbuffer->InternalFormat ||
+ att->Renderbuffer->Width < 1 ||
+ att->Renderbuffer->Height < 1) {
+ att_incomplete("0x0 renderbuffer");
+ att->Complete = GL_FALSE;
+ return;
+ }
+ if (format == GL_COLOR) {
+ if (!_mesa_is_legal_color_format(ctx, baseFormat)) {
+ att_incomplete("bad renderbuffer color format");
+ att->Complete = GL_FALSE;
+ return;
+ }
+ }
+ else if (format == GL_DEPTH) {
+ if (baseFormat == GL_DEPTH_COMPONENT) {
+ /* OK */
+ }
+ else if (ctx->Extensions.EXT_packed_depth_stencil &&
+ baseFormat == GL_DEPTH_STENCIL_EXT) {
+ /* OK */
+ }
+ else {
+ att_incomplete("bad renderbuffer depth format");
+ att->Complete = GL_FALSE;
+ return;
+ }
+ }
+ else {
+ assert(format == GL_STENCIL);
+ if (baseFormat == GL_STENCIL_INDEX) {
+ /* OK */
+ }
+ else if (ctx->Extensions.EXT_packed_depth_stencil &&
+ baseFormat == GL_DEPTH_STENCIL_EXT) {
+ /* OK */
+ }
+ else {
+ att->Complete = GL_FALSE;
+ att_incomplete("bad renderbuffer stencil format");
+ return;
+ }
+ }
+ }
+ else {
+ ASSERT(att->Type == GL_NONE);
+ /* complete */
+ return;
+ }
+}
+
+
+/**
+ * Test if the given framebuffer object is complete and update its
+ * Status field with the results.
+ * Calls the ctx->Driver.ValidateFramebuffer() function to allow the
+ * driver to make hardware-specific validation/completeness checks.
+ * Also update the framebuffer's Width and Height fields if the
+ * framebuffer is complete.
+ */
+void
+_mesa_test_framebuffer_completeness(struct gl_context *ctx,
+ struct gl_framebuffer *fb)
+{
+ GLuint numImages;
+ GLenum intFormat = GL_NONE; /* color buffers' internal format */
+ GLuint minWidth = ~0, minHeight = ~0, maxWidth = 0, maxHeight = 0;
+ GLint numSamples = -1;
+ GLint i;
+ GLuint j;
+
+ assert(fb->Name != 0);
+
+ numImages = 0;
+ fb->Width = 0;
+ fb->Height = 0;
+
+ /* Start at -2 to more easily loop over all attachment points.
+ * -2: depth buffer
+ * -1: stencil buffer
+ * >=0: color buffer
+ */
+ for (i = -2; i < (GLint) ctx->Const.MaxColorAttachments; i++) {
+ struct gl_renderbuffer_attachment *att;
+ GLenum f;
+ gl_format attFormat;
+
+ /*
+ * XXX for ARB_fbo, only check color buffers that are named by
+ * GL_READ_BUFFER and GL_DRAW_BUFFERi.
+ */
+
+ /* check for attachment completeness
+ */
+ if (i == -2) {
+ att = &fb->Attachment[BUFFER_DEPTH];
+ test_attachment_completeness(ctx, GL_DEPTH, att);
+ if (!att->Complete) {
+ fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT;
+ fbo_incomplete("depth attachment incomplete", -1);
+ return;
+ }
+ }
+ else if (i == -1) {
+ att = &fb->Attachment[BUFFER_STENCIL];
+ test_attachment_completeness(ctx, GL_STENCIL, att);
+ if (!att->Complete) {
+ fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT;
+ fbo_incomplete("stencil attachment incomplete", -1);
+ return;
+ }
+ }
+ else {
+ att = &fb->Attachment[BUFFER_COLOR0 + i];
+ test_attachment_completeness(ctx, GL_COLOR, att);
+ if (!att->Complete) {
+ fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT;
+ fbo_incomplete("color attachment incomplete", i);
+ return;
+ }
+ }
+
+ /* get width, height, format of the renderbuffer/texture
+ */
+ if (att->Type == GL_TEXTURE) {
+ const struct gl_texture_image *texImg
+ = att->Texture->Image[att->CubeMapFace][att->TextureLevel];
+ minWidth = MIN2(minWidth, texImg->Width);
+ maxWidth = MAX2(maxWidth, texImg->Width);
+ minHeight = MIN2(minHeight, texImg->Height);
+ maxHeight = MAX2(maxHeight, texImg->Height);
+ f = texImg->_BaseFormat;
+ attFormat = texImg->TexFormat;
+ numImages++;
+ if (!_mesa_is_legal_color_format(ctx, f) &&
+ !is_legal_depth_format(ctx, f)) {
+ fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT;
+ fbo_incomplete("texture attachment incomplete", -1);
+ return;
+ }
+ }
+ else if (att->Type == GL_RENDERBUFFER_EXT) {
+ minWidth = MIN2(minWidth, att->Renderbuffer->Width);
+ maxWidth = MAX2(minWidth, att->Renderbuffer->Width);
+ minHeight = MIN2(minHeight, att->Renderbuffer->Height);
+ maxHeight = MAX2(minHeight, att->Renderbuffer->Height);
+ f = att->Renderbuffer->InternalFormat;
+ attFormat = att->Renderbuffer->Format;
+ numImages++;
+ }
+ else {
+ assert(att->Type == GL_NONE);
+ continue;
+ }
+
+ if (numSamples < 0) {
+ /* first buffer */
+ numSamples = att->Renderbuffer->NumSamples;
+ }
+
+ /* check if integer color */
+ fb->_IntegerColor = _mesa_is_format_integer_color(attFormat);
+
+ /* Error-check width, height, format, samples
+ */
+ if (numImages == 1) {
+ /* save format, num samples */
+ if (i >= 0) {
+ intFormat = f;
+ }
+ }
+ else {
+ if (!ctx->Extensions.ARB_framebuffer_object) {
+ /* check that width, height, format are same */
+ if (minWidth != maxWidth || minHeight != maxHeight) {
+ fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT;
+ fbo_incomplete("width or height mismatch", -1);
+ return;
+ }
+ /* check that all color buffer have same format */
+ if (intFormat != GL_NONE && f != intFormat) {
+ fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT;
+ fbo_incomplete("format mismatch", -1);
+ return;
+ }
+ }
+ if (att->Renderbuffer &&
+ att->Renderbuffer->NumSamples != numSamples) {
+ fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE;
+ fbo_incomplete("inconsistant number of samples", i);
+ return;
+ }
+
+ }
+ }
+
+#if FEATURE_GL
+ if (ctx->API == API_OPENGL) {
+ /* Check that all DrawBuffers are present */
+ for (j = 0; j < ctx->Const.MaxDrawBuffers; j++) {
+ if (fb->ColorDrawBuffer[j] != GL_NONE) {
+ const struct gl_renderbuffer_attachment *att
+ = _mesa_get_attachment(ctx, fb, fb->ColorDrawBuffer[j]);
+ assert(att);
+ if (att->Type == GL_NONE) {
+ fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT;
+ fbo_incomplete("missing drawbuffer", j);
+ return;
+ }
+ }
+ }
+
+ /* Check that the ReadBuffer is present */
+ if (fb->ColorReadBuffer != GL_NONE) {
+ const struct gl_renderbuffer_attachment *att
+ = _mesa_get_attachment(ctx, fb, fb->ColorReadBuffer);
+ assert(att);
+ if (att->Type == GL_NONE) {
+ fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT;
+ fbo_incomplete("missing readbuffer", -1);
+ return;
+ }
+ }
+ }
+#else
+ (void) j;
+#endif
+
+ if (numImages == 0) {
+ fb->_Status = GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT;
+ fbo_incomplete("no attachments", -1);
+ return;
+ }
+
+ /* Provisionally set status = COMPLETE ... */
+ fb->_Status = GL_FRAMEBUFFER_COMPLETE_EXT;
+
+ /* ... but the driver may say the FB is incomplete.
+ * Drivers will most likely set the status to GL_FRAMEBUFFER_UNSUPPORTED
+ * if anything.
+ */
+ if (ctx->Driver.ValidateFramebuffer) {
+ ctx->Driver.ValidateFramebuffer(ctx, fb);
+ if (fb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
+ fbo_incomplete("driver marked FBO as incomplete", -1);
+ }
+ }
+
+ if (fb->_Status == GL_FRAMEBUFFER_COMPLETE_EXT) {
+ /*
+ * Note that if ARB_framebuffer_object is supported and the attached
+ * renderbuffers/textures are different sizes, the framebuffer
+ * width/height will be set to the smallest width/height.
+ */
+ fb->Width = minWidth;
+ fb->Height = minHeight;
+
+ /* finally, update the visual info for the framebuffer */
+ _mesa_update_framebuffer_visual(ctx, fb);
+ }
+}
+
+
+GLboolean GLAPIENTRY
+_mesa_IsRenderbufferEXT(GLuint renderbuffer)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
+ if (renderbuffer) {
+ struct gl_renderbuffer *rb = _mesa_lookup_renderbuffer(ctx, renderbuffer);
+ if (rb != NULL && rb != &DummyRenderbuffer)
+ return GL_TRUE;
+ }
+ return GL_FALSE;
+}
+
+
+void GLAPIENTRY
+_mesa_BindRenderbufferEXT(GLenum target, GLuint renderbuffer)
+{
+ struct gl_renderbuffer *newRb;
+ GET_CURRENT_CONTEXT(ctx);
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (target != GL_RENDERBUFFER_EXT) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBindRenderbufferEXT(target)");
+ return;
+ }
+
+ /* No need to flush here since the render buffer binding has no
+ * effect on rendering state.
+ */
+
+ if (renderbuffer) {
+ newRb = _mesa_lookup_renderbuffer(ctx, renderbuffer);
+ if (newRb == &DummyRenderbuffer) {
+ /* ID was reserved, but no real renderbuffer object made yet */
+ newRb = NULL;
+ }
+ else if (!newRb && ctx->Extensions.ARB_framebuffer_object) {
+ /* All RB IDs must be Gen'd */
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glBindRenderbuffer(buffer)");
+ return;
+ }
+
+ if (!newRb) {
+ /* create new renderbuffer object */
+ newRb = ctx->Driver.NewRenderbuffer(ctx, renderbuffer);
+ if (!newRb) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindRenderbufferEXT");
+ return;
+ }
+ ASSERT(newRb->AllocStorage);
+ _mesa_HashInsert(ctx->Shared->RenderBuffers, renderbuffer, newRb);
+ newRb->RefCount = 1; /* referenced by hash table */
+ }
+ }
+ else {
+ newRb = NULL;
+ }
+
+ ASSERT(newRb != &DummyRenderbuffer);
+
+ _mesa_reference_renderbuffer(&ctx->CurrentRenderbuffer, newRb);
+}
+
+
+/**
+ * If the given renderbuffer is anywhere attached to the framebuffer, detach
+ * the renderbuffer.
+ * This is used when a renderbuffer object is deleted.
+ * The spec calls for unbinding.
+ */
+static void
+detach_renderbuffer(struct gl_context *ctx,
+ struct gl_framebuffer *fb,
+ struct gl_renderbuffer *rb)
+{
+ GLuint i;
+ for (i = 0; i < BUFFER_COUNT; i++) {
+ if (fb->Attachment[i].Renderbuffer == rb) {
+ _mesa_remove_attachment(ctx, &fb->Attachment[i]);
+ }
+ }
+ invalidate_framebuffer(fb);
+}
+
+
+void GLAPIENTRY
+_mesa_DeleteRenderbuffersEXT(GLsizei n, const GLuint *renderbuffers)
+{
+ GLint i;
+ GET_CURRENT_CONTEXT(ctx);
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+ FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
+ for (i = 0; i < n; i++) {
+ if (renderbuffers[i] > 0) {
+ struct gl_renderbuffer *rb;
+ rb = _mesa_lookup_renderbuffer(ctx, renderbuffers[i]);
+ if (rb) {
+ /* check if deleting currently bound renderbuffer object */
+ if (rb == ctx->CurrentRenderbuffer) {
+ /* bind default */
+ ASSERT(rb->RefCount >= 2);
+ _mesa_BindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0);
+ }
+
+ if (ctx->DrawBuffer->Name) {
+ detach_renderbuffer(ctx, ctx->DrawBuffer, rb);
+ }
+ if (ctx->ReadBuffer->Name && ctx->ReadBuffer != ctx->DrawBuffer) {
+ detach_renderbuffer(ctx, ctx->ReadBuffer, rb);
+ }
+
+ /* Remove from hash table immediately, to free the ID.
+ * But the object will not be freed until it's no longer
+ * referenced anywhere else.
+ */
+ _mesa_HashRemove(ctx->Shared->RenderBuffers, renderbuffers[i]);
+
+ if (rb != &DummyRenderbuffer) {
+ /* no longer referenced by hash table */
+ _mesa_reference_renderbuffer(&rb, NULL);
+ }
+ }
+ }
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_GenRenderbuffersEXT(GLsizei n, GLuint *renderbuffers)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ GLuint first;
+ GLint i;
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (n < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGenRenderbuffersEXT(n)");
+ return;
+ }
+
+ if (!renderbuffers)
+ return;
+
+ first = _mesa_HashFindFreeKeyBlock(ctx->Shared->RenderBuffers, n);
+
+ for (i = 0; i < n; i++) {
+ GLuint name = first + i;
+ renderbuffers[i] = name;
+ /* insert dummy placeholder into hash table */
+ _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
+ _mesa_HashInsert(ctx->Shared->RenderBuffers, name, &DummyRenderbuffer);
+ _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
+ }
+}
+
+
+/**
+ * Given an internal format token for a render buffer, return the
+ * corresponding base format (one of GL_RGB, GL_RGBA, GL_STENCIL_INDEX,
+ * GL_DEPTH_COMPONENT, GL_DEPTH_STENCIL_EXT, GL_ALPHA, GL_LUMINANCE,
+ * GL_LUMINANCE_ALPHA, GL_INTENSITY, etc).
+ *
+ * This is similar to _mesa_base_tex_format() but the set of valid
+ * internal formats is different.
+ *
+ * Note that even if a format is determined to be legal here, validation
+ * of the FBO may fail if the format is not supported by the driver/GPU.
+ *
+ * \param internalFormat as passed to glRenderbufferStorage()
+ * \return the base internal format, or 0 if internalFormat is illegal
+ */
+GLenum
+_mesa_base_fbo_format(struct gl_context *ctx, GLenum internalFormat)
+{
+ /*
+ * Notes: some formats such as alpha, luminance, etc. were added
+ * with GL_ARB_framebuffer_object.
+ */
+ switch (internalFormat) {
+ case GL_ALPHA:
+ case GL_ALPHA4:
+ case GL_ALPHA8:
+ case GL_ALPHA12:
+ case GL_ALPHA16:
+ return ctx->Extensions.ARB_framebuffer_object ? GL_ALPHA : 0;
+ case GL_LUMINANCE:
+ case GL_LUMINANCE4:
+ case GL_LUMINANCE8:
+ case GL_LUMINANCE12:
+ case GL_LUMINANCE16:
+ return ctx->Extensions.ARB_framebuffer_object ? GL_LUMINANCE : 0;
+ case GL_LUMINANCE_ALPHA:
+ case GL_LUMINANCE4_ALPHA4:
+ case GL_LUMINANCE6_ALPHA2:
+ case GL_LUMINANCE8_ALPHA8:
+ case GL_LUMINANCE12_ALPHA4:
+ case GL_LUMINANCE12_ALPHA12:
+ case GL_LUMINANCE16_ALPHA16:
+ return ctx->Extensions.ARB_framebuffer_object ? GL_LUMINANCE_ALPHA : 0;
+ case GL_INTENSITY:
+ case GL_INTENSITY4:
+ case GL_INTENSITY8:
+ case GL_INTENSITY12:
+ case GL_INTENSITY16:
+ return ctx->Extensions.ARB_framebuffer_object ? GL_INTENSITY : 0;
+ case GL_RGB:
+ case GL_R3_G3_B2:
+ case GL_RGB4:
+ case GL_RGB5:
+ case GL_RGB8:
+ case GL_RGB10:
+ case GL_RGB12:
+ case GL_RGB16:
+ case GL_SRGB8_EXT:
+ return GL_RGB;
+ case GL_RGBA:
+ case GL_RGBA2:
+ case GL_RGBA4:
+ case GL_RGB5_A1:
+ case GL_RGBA8:
+ case GL_RGB10_A2:
+ case GL_RGBA12:
+ case GL_RGBA16:
+ case GL_RGBA16_SNORM:
+ case GL_SRGB8_ALPHA8_EXT:
+ return GL_RGBA;
+ case GL_STENCIL_INDEX:
+ case GL_STENCIL_INDEX1_EXT:
+ case GL_STENCIL_INDEX4_EXT:
+ case GL_STENCIL_INDEX8_EXT:
+ case GL_STENCIL_INDEX16_EXT:
+ return GL_STENCIL_INDEX;
+ case GL_DEPTH_COMPONENT:
+ case GL_DEPTH_COMPONENT16:
+ case GL_DEPTH_COMPONENT24:
+ case GL_DEPTH_COMPONENT32:
+ return GL_DEPTH_COMPONENT;
+ case GL_DEPTH_STENCIL_EXT:
+ case GL_DEPTH24_STENCIL8_EXT:
+ if (ctx->Extensions.EXT_packed_depth_stencil)
+ return GL_DEPTH_STENCIL_EXT;
+ else
+ return 0;
+ case GL_RED:
+ case GL_R8:
+ case GL_R16:
+ return ctx->Extensions.ARB_texture_rg ? GL_RED : 0;
+ case GL_RG:
+ case GL_RG8:
+ case GL_RG16:
+ return ctx->Extensions.ARB_texture_rg ? GL_RG : 0;
+ /* XXX add floating point and integer formats eventually */
+ default:
+ return 0;
+ }
+}
+
+
+/**
+ * Invalidate a renderbuffer attachment. Called from _mesa_HashWalk().
+ */
+static void
+invalidate_rb(GLuint key, void *data, void *userData)
+{
+ struct gl_framebuffer *fb = (struct gl_framebuffer *) data;
+ struct gl_renderbuffer *rb = (struct gl_renderbuffer *) userData;
+
+ /* If this is a user-created FBO */
+ if (fb->Name) {
+ GLuint i;
+ for (i = 0; i < BUFFER_COUNT; i++) {
+ struct gl_renderbuffer_attachment *att = fb->Attachment + i;
+ if (att->Type == GL_RENDERBUFFER &&
+ att->Renderbuffer == rb) {
+ /* Mark fb status as indeterminate to force re-validation */
+ fb->_Status = 0;
+ return;
+ }
+ }
+ }
+}
+
+
+/** sentinal value, see below */
+#define NO_SAMPLES 1000
+
+
+/**
+ * Helper function used by _mesa_RenderbufferStorageEXT() and
+ * _mesa_RenderbufferStorageMultisample().
+ * samples will be NO_SAMPLES if called by _mesa_RenderbufferStorageEXT().
+ */
+static void
+renderbuffer_storage(GLenum target, GLenum internalFormat,
+ GLsizei width, GLsizei height, GLsizei samples)
+{
+ const char *func = samples == NO_SAMPLES ?
+ "glRenderbufferStorage" : "RenderbufferStorageMultisample";
+ struct gl_renderbuffer *rb;
+ GLenum baseFormat;
+ GET_CURRENT_CONTEXT(ctx);
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (target != GL_RENDERBUFFER_EXT) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s(target)", func);
+ return;
+ }
+
+ baseFormat = _mesa_base_fbo_format(ctx, internalFormat);
+ if (baseFormat == 0) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s(internalFormat)", func);
+ return;
+ }
+
+ if (width < 1 || width > (GLsizei) ctx->Const.MaxRenderbufferSize) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s(width)", func);
+ return;
+ }
+
+ if (height < 1 || height > (GLsizei) ctx->Const.MaxRenderbufferSize) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s(height)", func);
+ return;
+ }
+
+ if (samples == NO_SAMPLES) {
+ /* NumSamples == 0 indicates non-multisampling */
+ samples = 0;
+ }
+ else if (samples > (GLsizei) ctx->Const.MaxSamples) {
+ /* note: driver may choose to use more samples than what's requested */
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s(samples)", func);
+ return;
+ }
+
+ rb = ctx->CurrentRenderbuffer;
+ if (!rb) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", func);
+ return;
+ }
+
+ FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
+ if (rb->InternalFormat == internalFormat &&
+ rb->Width == (GLuint) width &&
+ rb->Height == (GLuint) height) {
+ /* no change in allocation needed */
+ return;
+ }
+
+ /* These MUST get set by the AllocStorage func */
+ rb->Format = MESA_FORMAT_NONE;
+ rb->NumSamples = samples;
+
+ /* Now allocate the storage */
+ ASSERT(rb->AllocStorage);
+ if (rb->AllocStorage(ctx, rb, internalFormat, width, height)) {
+ /* No error - check/set fields now */
+ assert(rb->Format != MESA_FORMAT_NONE);
+ assert(rb->Width == (GLuint) width);
+ assert(rb->Height == (GLuint) height);
+ rb->InternalFormat = internalFormat;
+ rb->_BaseFormat = baseFormat;
+ assert(rb->_BaseFormat != 0);
+ }
+ else {
+ /* Probably ran out of memory - clear the fields */
+ rb->Width = 0;
+ rb->Height = 0;
+ rb->Format = MESA_FORMAT_NONE;
+ rb->InternalFormat = GL_NONE;
+ rb->_BaseFormat = GL_NONE;
+ rb->NumSamples = 0;
+ }
+
+ /* Invalidate the framebuffers the renderbuffer is attached in. */
+ if (rb->AttachedAnytime) {
+ _mesa_HashWalk(ctx->Shared->FrameBuffers, invalidate_rb, rb);
+ }
+}
+
+
+#if FEATURE_OES_EGL_image
+void GLAPIENTRY
+_mesa_EGLImageTargetRenderbufferStorageOES(GLenum target, GLeglImageOES image)
+{
+ struct gl_renderbuffer *rb;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (!ctx->Extensions.OES_EGL_image) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glEGLImageTargetRenderbufferStorageOES(unsupported)");
+ return;
+ }
+
+ if (target != GL_RENDERBUFFER) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "EGLImageTargetRenderbufferStorageOES");
+ return;
+ }
+
+ rb = ctx->CurrentRenderbuffer;
+ if (!rb) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "EGLImageTargetRenderbufferStorageOES");
+ return;
+ }
+
+ FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
+ ctx->Driver.EGLImageTargetRenderbufferStorage(ctx, rb, image);
+}
+#endif
+
+
+/**
+ * Helper function for _mesa_GetRenderbufferParameterivEXT() and
+ * _mesa_GetFramebufferAttachmentParameterivEXT()
+ * We have to be careful to respect the base format. For example, if a
+ * renderbuffer/texture was created with internalFormat=GL_RGB but the
+ * driver actually chose a GL_RGBA format, when the user queries ALPHA_SIZE
+ * we need to return zero.
+ */
+static GLint
+get_component_bits(GLenum pname, GLenum baseFormat, gl_format format)
+{
+ switch (pname) {
+ case GL_RENDERBUFFER_RED_SIZE_EXT:
+ case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:
+ if (baseFormat == GL_RGB || baseFormat == GL_RGBA ||
+ baseFormat == GL_RG || baseFormat == GL_RED)
+ return _mesa_get_format_bits(format, pname);
+ else
+ return 0;
+ case GL_RENDERBUFFER_GREEN_SIZE_EXT:
+ case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:
+ if (baseFormat == GL_RGB || baseFormat == GL_RGBA || baseFormat == GL_RG)
+ return _mesa_get_format_bits(format, pname);
+ else
+ return 0;
+ case GL_RENDERBUFFER_BLUE_SIZE_EXT:
+ case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:
+ if (baseFormat == GL_RGB || baseFormat == GL_RGBA)
+ return _mesa_get_format_bits(format, pname);
+ else
+ return 0;
+ case GL_RENDERBUFFER_ALPHA_SIZE_EXT:
+ case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
+ if (baseFormat == GL_RGBA || baseFormat == GL_ALPHA ||
+ baseFormat == GL_LUMINANCE_ALPHA)
+ return _mesa_get_format_bits(format, pname);
+ else
+ return 0;
+ case GL_RENDERBUFFER_DEPTH_SIZE_EXT:
+ case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
+ if (baseFormat == GL_DEPTH_COMPONENT || baseFormat == GL_DEPTH_STENCIL)
+ return _mesa_get_format_bits(format, pname);
+ else
+ return 0;
+ case GL_RENDERBUFFER_STENCIL_SIZE_EXT:
+ case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:
+ if (baseFormat == GL_STENCIL_INDEX || baseFormat == GL_DEPTH_STENCIL)
+ return _mesa_get_format_bits(format, pname);
+ else
+ return 0;
+ default:
+ return 0;
+ }
+}
+
+
+
+void GLAPIENTRY
+_mesa_RenderbufferStorageEXT(GLenum target, GLenum internalFormat,
+ GLsizei width, GLsizei height)
+{
+ /* GL_ARB_fbo says calling this function is equivalent to calling
+ * glRenderbufferStorageMultisample() with samples=0. We pass in
+ * a token value here just for error reporting purposes.
+ */
+ renderbuffer_storage(target, internalFormat, width, height, NO_SAMPLES);
+}
+
+
+void GLAPIENTRY
+_mesa_RenderbufferStorageMultisample(GLenum target, GLsizei samples,
+ GLenum internalFormat,
+ GLsizei width, GLsizei height)
+{
+ renderbuffer_storage(target, internalFormat, width, height, samples);
+}
+
+
+/**
+ * OpenGL ES version of glRenderBufferStorage.
+ */
+void GLAPIENTRY
+_es_RenderbufferStorageEXT(GLenum target, GLenum internalFormat,
+ GLsizei width, GLsizei height)
+{
+ switch (internalFormat) {
+ case GL_RGB565:
+ /* XXX this confuses GL_RENDERBUFFER_INTERNAL_FORMAT_OES */
+ /* choose a closest format */
+ internalFormat = GL_RGB5;
+ break;
+ default:
+ break;
+ }
+
+ renderbuffer_storage(target, internalFormat, width, height, 0);
+}
+
+
+void GLAPIENTRY
+_mesa_GetRenderbufferParameterivEXT(GLenum target, GLenum pname, GLint *params)
+{
+ struct gl_renderbuffer *rb;
+ GET_CURRENT_CONTEXT(ctx);
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (target != GL_RENDERBUFFER_EXT) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetRenderbufferParameterivEXT(target)");
+ return;
+ }
+
+ rb = ctx->CurrentRenderbuffer;
+ if (!rb) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetRenderbufferParameterivEXT");
+ return;
+ }
+
+ /* No need to flush here since we're just quering state which is
+ * not effected by rendering.
+ */
+
+ switch (pname) {
+ case GL_RENDERBUFFER_WIDTH_EXT:
+ *params = rb->Width;
+ return;
+ case GL_RENDERBUFFER_HEIGHT_EXT:
+ *params = rb->Height;
+ return;
+ case GL_RENDERBUFFER_INTERNAL_FORMAT_EXT:
+ *params = rb->InternalFormat;
+ return;
+ case GL_RENDERBUFFER_RED_SIZE_EXT:
+ case GL_RENDERBUFFER_GREEN_SIZE_EXT:
+ case GL_RENDERBUFFER_BLUE_SIZE_EXT:
+ case GL_RENDERBUFFER_ALPHA_SIZE_EXT:
+ case GL_RENDERBUFFER_DEPTH_SIZE_EXT:
+ case GL_RENDERBUFFER_STENCIL_SIZE_EXT:
+ *params = get_component_bits(pname, rb->_BaseFormat, rb->Format);
+ break;
+ case GL_RENDERBUFFER_SAMPLES:
+ if (ctx->Extensions.ARB_framebuffer_object) {
+ *params = rb->NumSamples;
+ break;
+ }
+ /* fallthrough */
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetRenderbufferParameterivEXT(target)");
+ return;
+ }
+}
+
+
+GLboolean GLAPIENTRY
+_mesa_IsFramebufferEXT(GLuint framebuffer)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
+ if (framebuffer) {
+ struct gl_framebuffer *rb = _mesa_lookup_framebuffer(ctx, framebuffer);
+ if (rb != NULL && rb != &DummyFramebuffer)
+ return GL_TRUE;
+ }
+ return GL_FALSE;
+}
+
+
+/**
+ * Check if any of the attachments of the given framebuffer are textures
+ * (render to texture). Call ctx->Driver.RenderTexture() for such
+ * attachments.
+ */
+static void
+check_begin_texture_render(struct gl_context *ctx, struct gl_framebuffer *fb)
+{
+ GLuint i;
+ ASSERT(ctx->Driver.RenderTexture);
+
+ if (fb->Name == 0)
+ return; /* can't render to texture with winsys framebuffers */
+
+ for (i = 0; i < BUFFER_COUNT; i++) {
+ struct gl_renderbuffer_attachment *att = fb->Attachment + i;
+ struct gl_texture_object *texObj = att->Texture;
+ if (texObj
+ && texObj->Image[att->CubeMapFace][att->TextureLevel]) {
+ ctx->Driver.RenderTexture(ctx, fb, att);
+ }
+ }
+}
+
+
+/**
+ * Examine all the framebuffer's attachments to see if any are textures.
+ * If so, call ctx->Driver.FinishRenderTexture() for each texture to
+ * notify the device driver that the texture image may have changed.
+ */
+static void
+check_end_texture_render(struct gl_context *ctx, struct gl_framebuffer *fb)
+{
+ if (fb->Name == 0)
+ return; /* can't render to texture with winsys framebuffers */
+
+ if (ctx->Driver.FinishRenderTexture) {
+ GLuint i;
+ for (i = 0; i < BUFFER_COUNT; i++) {
+ struct gl_renderbuffer_attachment *att = fb->Attachment + i;
+ if (att->Texture && att->Renderbuffer) {
+ ctx->Driver.FinishRenderTexture(ctx, att);
+ }
+ }
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer)
+{
+ struct gl_framebuffer *newDrawFb, *newReadFb;
+ struct gl_framebuffer *oldDrawFb, *oldReadFb;
+ GLboolean bindReadBuf, bindDrawBuf;
+ GET_CURRENT_CONTEXT(ctx);
+
+#ifdef DEBUG
+ if (ctx->Extensions.ARB_framebuffer_object) {
+ ASSERT(ctx->Extensions.EXT_framebuffer_object);
+ ASSERT(ctx->Extensions.EXT_framebuffer_blit);
+ }
+#endif
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (!ctx->Extensions.EXT_framebuffer_object) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBindFramebufferEXT(unsupported)");
+ return;
+ }
+
+ switch (target) {
+#if FEATURE_EXT_framebuffer_blit
+ case GL_DRAW_FRAMEBUFFER_EXT:
+ if (!ctx->Extensions.EXT_framebuffer_blit) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBindFramebufferEXT(target)");
+ return;
+ }
+ bindDrawBuf = GL_TRUE;
+ bindReadBuf = GL_FALSE;
+ break;
+ case GL_READ_FRAMEBUFFER_EXT:
+ if (!ctx->Extensions.EXT_framebuffer_blit) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBindFramebufferEXT(target)");
+ return;
+ }
+ bindDrawBuf = GL_FALSE;
+ bindReadBuf = GL_TRUE;
+ break;
+#endif
+ case GL_FRAMEBUFFER_EXT:
+ bindDrawBuf = GL_TRUE;
+ bindReadBuf = GL_TRUE;
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBindFramebufferEXT(target)");
+ return;
+ }
+
+ if (framebuffer) {
+ /* Binding a user-created framebuffer object */
+ newDrawFb = _mesa_lookup_framebuffer(ctx, framebuffer);
+ if (newDrawFb == &DummyFramebuffer) {
+ /* ID was reserved, but no real framebuffer object made yet */
+ newDrawFb = NULL;
+ }
+ else if (!newDrawFb && ctx->Extensions.ARB_framebuffer_object) {
+ /* All FBO IDs must be Gen'd */
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glBindFramebuffer(buffer)");
+ return;
+ }
+
+ if (!newDrawFb) {
+ /* create new framebuffer object */
+ newDrawFb = ctx->Driver.NewFramebuffer(ctx, framebuffer);
+ if (!newDrawFb) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindFramebufferEXT");
+ return;
+ }
+ _mesa_HashInsert(ctx->Shared->FrameBuffers, framebuffer, newDrawFb);
+ }
+ newReadFb = newDrawFb;
+ }
+ else {
+ /* Binding the window system framebuffer (which was originally set
+ * with MakeCurrent).
+ */
+ newDrawFb = ctx->WinSysDrawBuffer;
+ newReadFb = ctx->WinSysReadBuffer;
+ }
+
+ ASSERT(newDrawFb);
+ ASSERT(newDrawFb != &DummyFramebuffer);
+
+ /* save pointers to current/old framebuffers */
+ oldDrawFb = ctx->DrawBuffer;
+ oldReadFb = ctx->ReadBuffer;
+
+ /* check if really changing bindings */
+ if (oldDrawFb == newDrawFb)
+ bindDrawBuf = GL_FALSE;
+ if (oldReadFb == newReadFb)
+ bindReadBuf = GL_FALSE;
+
+ /*
+ * OK, now bind the new Draw/Read framebuffers, if they're changing.
+ *
+ * We also check if we're beginning and/or ending render-to-texture.
+ * When a framebuffer with texture attachments is unbound, call
+ * ctx->Driver.FinishRenderTexture().
+ * When a framebuffer with texture attachments is bound, call
+ * ctx->Driver.RenderTexture().
+ *
+ * Note that if the ReadBuffer has texture attachments we don't consider
+ * that a render-to-texture case.
+ */
+ if (bindReadBuf) {
+ FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
+ /* check if old readbuffer was render-to-texture */
+ check_end_texture_render(ctx, oldReadFb);
+
+ _mesa_reference_framebuffer(&ctx->ReadBuffer, newReadFb);
+ }
+
+ if (bindDrawBuf) {
+ FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
+ /* check if old read/draw buffers were render-to-texture */
+ if (!bindReadBuf)
+ check_end_texture_render(ctx, oldReadFb);
+
+ if (oldDrawFb != oldReadFb)
+ check_end_texture_render(ctx, oldDrawFb);
+
+ /* check if newly bound framebuffer has any texture attachments */
+ check_begin_texture_render(ctx, newDrawFb);
+
+ _mesa_reference_framebuffer(&ctx->DrawBuffer, newDrawFb);
+ }
+
+ if ((bindDrawBuf || bindReadBuf) && ctx->Driver.BindFramebuffer) {
+ ctx->Driver.BindFramebuffer(ctx, target, newDrawFb, newReadFb);
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_DeleteFramebuffersEXT(GLsizei n, const GLuint *framebuffers)
+{
+ GLint i;
+ GET_CURRENT_CONTEXT(ctx);
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+ FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
+ for (i = 0; i < n; i++) {
+ if (framebuffers[i] > 0) {
+ struct gl_framebuffer *fb;
+ fb = _mesa_lookup_framebuffer(ctx, framebuffers[i]);
+ if (fb) {
+ ASSERT(fb == &DummyFramebuffer || fb->Name == framebuffers[i]);
+
+ /* check if deleting currently bound framebuffer object */
+ if (ctx->Extensions.EXT_framebuffer_blit) {
+ /* separate draw/read binding points */
+ if (fb == ctx->DrawBuffer) {
+ /* bind default */
+ ASSERT(fb->RefCount >= 2);
+ _mesa_BindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, 0);
+ }
+ if (fb == ctx->ReadBuffer) {
+ /* bind default */
+ ASSERT(fb->RefCount >= 2);
+ _mesa_BindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, 0);
+ }
+ }
+ else {
+ /* only one binding point for read/draw buffers */
+ if (fb == ctx->DrawBuffer || fb == ctx->ReadBuffer) {
+ /* bind default */
+ ASSERT(fb->RefCount >= 2);
+ _mesa_BindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+ }
+ }
+
+ /* remove from hash table immediately, to free the ID */
+ _mesa_HashRemove(ctx->Shared->FrameBuffers, framebuffers[i]);
+
+ if (fb != &DummyFramebuffer) {
+ /* But the object will not be freed until it's no longer
+ * bound in any context.
+ */
+ _mesa_reference_framebuffer(&fb, NULL);
+ }
+ }
+ }
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_GenFramebuffersEXT(GLsizei n, GLuint *framebuffers)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ GLuint first;
+ GLint i;
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (n < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGenFramebuffersEXT(n)");
+ return;
+ }
+
+ if (!framebuffers)
+ return;
+
+ first = _mesa_HashFindFreeKeyBlock(ctx->Shared->FrameBuffers, n);
+
+ for (i = 0; i < n; i++) {
+ GLuint name = first + i;
+ framebuffers[i] = name;
+ /* insert dummy placeholder into hash table */
+ _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
+ _mesa_HashInsert(ctx->Shared->FrameBuffers, name, &DummyFramebuffer);
+ _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
+ }
+}
+
+
+
+GLenum GLAPIENTRY
+_mesa_CheckFramebufferStatusEXT(GLenum target)
+{
+ struct gl_framebuffer *buffer;
+ GET_CURRENT_CONTEXT(ctx);
+
+ ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, 0);
+
+ buffer = get_framebuffer_target(ctx, target);
+ if (!buffer) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glCheckFramebufferStatus(target)");
+ return 0;
+ }
+
+ if (buffer->Name == 0) {
+ /* The window system / default framebuffer is always complete */
+ return GL_FRAMEBUFFER_COMPLETE_EXT;
+ }
+
+ /* No need to flush here */
+
+ if (buffer->_Status != GL_FRAMEBUFFER_COMPLETE) {
+ _mesa_test_framebuffer_completeness(ctx, buffer);
+ }
+
+ return buffer->_Status;
+}
+
+
+
+/**
+ * Common code called by glFramebufferTexture1D/2D/3DEXT().
+ */
+static void
+framebuffer_texture(struct gl_context *ctx, const char *caller, GLenum target,
+ GLenum attachment, GLenum textarget, GLuint texture,
+ GLint level, GLint zoffset)
+{
+ struct gl_renderbuffer_attachment *att;
+ struct gl_texture_object *texObj = NULL;
+ struct gl_framebuffer *fb;
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ fb = get_framebuffer_target(ctx, target);
+ if (!fb) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glFramebufferTexture%sEXT(target=0x%x)", caller, target);
+ return;
+ }
+
+ /* check framebuffer binding */
+ if (fb->Name == 0) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glFramebufferTexture%sEXT", caller);
+ return;
+ }
+
+
+ /* The textarget, level, and zoffset parameters are only validated if
+ * texture is non-zero.
+ */
+ if (texture) {
+ GLboolean err = GL_TRUE;
+
+ texObj = _mesa_lookup_texture(ctx, texture);
+ if (texObj != NULL) {
+ if (textarget == 0) {
+ /* XXX what's the purpose of this? */
+ err = (texObj->Target != GL_TEXTURE_3D) &&
+ (texObj->Target != GL_TEXTURE_1D_ARRAY_EXT) &&
+ (texObj->Target != GL_TEXTURE_2D_ARRAY_EXT);
+ }
+ else {
+ err = (texObj->Target == GL_TEXTURE_CUBE_MAP)
+ ? !IS_CUBE_FACE(textarget)
+ : (texObj->Target != textarget);
+ }
+ }
+ else {
+ /* can't render to a non-existant texture */
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glFramebufferTexture%sEXT(non existant texture)",
+ caller);
+ return;
+ }
+
+ if (err) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glFramebufferTexture%sEXT(texture target mismatch)",
+ caller);
+ return;
+ }
+
+ if (texObj->Target == GL_TEXTURE_3D) {
+ const GLint maxSize = 1 << (ctx->Const.Max3DTextureLevels - 1);
+ if (zoffset < 0 || zoffset >= maxSize) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glFramebufferTexture%sEXT(zoffset)", caller);
+ return;
+ }
+ }
+ else if ((texObj->Target == GL_TEXTURE_1D_ARRAY_EXT) ||
+ (texObj->Target == GL_TEXTURE_2D_ARRAY_EXT)) {
+ if (zoffset < 0 || zoffset >= ctx->Const.MaxArrayTextureLayers) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glFramebufferTexture%sEXT(layer)", caller);
+ return;
+ }
+ }
+
+ if ((level < 0) ||
+ (level >= _mesa_max_texture_levels(ctx, texObj->Target))) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glFramebufferTexture%sEXT(level)", caller);
+ return;
+ }
+ }
+
+ att = _mesa_get_attachment(ctx, fb, attachment);
+ if (att == NULL) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glFramebufferTexture%sEXT(attachment)", caller);
+ return;
+ }
+
+ FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
+ _glthread_LOCK_MUTEX(fb->Mutex);
+ if (texObj) {
+ _mesa_set_texture_attachment(ctx, fb, att, texObj, textarget,
+ level, zoffset);
+ /* Set the render-to-texture flag. We'll check this flag in
+ * glTexImage() and friends to determine if we need to revalidate
+ * any FBOs that might be rendering into this texture.
+ * This flag never gets cleared since it's non-trivial to determine
+ * when all FBOs might be done rendering to this texture. That's OK
+ * though since it's uncommon to render to a texture then repeatedly
+ * call glTexImage() to change images in the texture.
+ */
+ texObj->_RenderToTexture = GL_TRUE;
+ }
+ else {
+ _mesa_remove_attachment(ctx, att);
+ }
+
+ invalidate_framebuffer(fb);
+
+ _glthread_UNLOCK_MUTEX(fb->Mutex);
+}
+
+
+
+void GLAPIENTRY
+_mesa_FramebufferTexture1DEXT(GLenum target, GLenum attachment,
+ GLenum textarget, GLuint texture, GLint level)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if ((texture != 0) && (textarget != GL_TEXTURE_1D)) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glFramebufferTexture1DEXT(textarget)");
+ return;
+ }
+
+ framebuffer_texture(ctx, "1D", target, attachment, textarget, texture,
+ level, 0);
+}
+
+
+void GLAPIENTRY
+_mesa_FramebufferTexture2DEXT(GLenum target, GLenum attachment,
+ GLenum textarget, GLuint texture, GLint level)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if ((texture != 0) &&
+ (textarget != GL_TEXTURE_2D) &&
+ (textarget != GL_TEXTURE_RECTANGLE_ARB) &&
+ (!IS_CUBE_FACE(textarget))) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glFramebufferTexture2DEXT(textarget=0x%x)", textarget);
+ return;
+ }
+
+ framebuffer_texture(ctx, "2D", target, attachment, textarget, texture,
+ level, 0);
+}
+
+
+void GLAPIENTRY
+_mesa_FramebufferTexture3DEXT(GLenum target, GLenum attachment,
+ GLenum textarget, GLuint texture,
+ GLint level, GLint zoffset)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if ((texture != 0) && (textarget != GL_TEXTURE_3D)) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glFramebufferTexture3DEXT(textarget)");
+ return;
+ }
+
+ framebuffer_texture(ctx, "3D", target, attachment, textarget, texture,
+ level, zoffset);
+}
+
+
+void GLAPIENTRY
+_mesa_FramebufferTextureLayerEXT(GLenum target, GLenum attachment,
+ GLuint texture, GLint level, GLint layer)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ framebuffer_texture(ctx, "Layer", target, attachment, 0, texture,
+ level, layer);
+}
+
+
+void GLAPIENTRY
+_mesa_FramebufferRenderbufferEXT(GLenum target, GLenum attachment,
+ GLenum renderbufferTarget,
+ GLuint renderbuffer)
+{
+ struct gl_renderbuffer_attachment *att;
+ struct gl_framebuffer *fb;
+ struct gl_renderbuffer *rb;
+ GET_CURRENT_CONTEXT(ctx);
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ fb = get_framebuffer_target(ctx, target);
+ if (!fb) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glFramebufferRenderbufferEXT(target)");
+ return;
+ }
+
+ if (renderbufferTarget != GL_RENDERBUFFER_EXT) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glFramebufferRenderbufferEXT(renderbufferTarget)");
+ return;
+ }
+
+ if (fb->Name == 0) {
+ /* Can't attach new renderbuffers to a window system framebuffer */
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glFramebufferRenderbufferEXT");
+ return;
+ }
+
+ att = _mesa_get_attachment(ctx, fb, attachment);
+ if (att == NULL) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glFramebufferRenderbufferEXT(invalid attachment %s)",
+ _mesa_lookup_enum_by_nr(attachment));
+ return;
+ }
+
+ if (renderbuffer) {
+ rb = _mesa_lookup_renderbuffer(ctx, renderbuffer);
+ if (!rb) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glFramebufferRenderbufferEXT(non-existant"
+ " renderbuffer %u)", renderbuffer);
+ return;
+ }
+ else if (rb == &DummyRenderbuffer) {
+ /* This is what NVIDIA does */
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glFramebufferRenderbufferEXT(renderbuffer %u)",
+ renderbuffer);
+ return;
+ }
+ }
+ else {
+ /* remove renderbuffer attachment */
+ rb = NULL;
+ }
+
+ if (attachment == GL_DEPTH_STENCIL_ATTACHMENT &&
+ rb && rb->Format != MESA_FORMAT_NONE) {
+ /* make sure the renderbuffer is a depth/stencil format */
+ const GLenum baseFormat = _mesa_get_format_base_format(rb->Format);
+ if (baseFormat != GL_DEPTH_STENCIL) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glFramebufferRenderbufferEXT(renderbuffer"
+ " is not DEPTH_STENCIL format)");
+ return;
+ }
+ }
+
+
+ FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
+ assert(ctx->Driver.FramebufferRenderbuffer);
+ ctx->Driver.FramebufferRenderbuffer(ctx, fb, attachment, rb);
+
+ /* Some subsequent GL commands may depend on the framebuffer's visual
+ * after the binding is updated. Update visual info now.
+ */
+ _mesa_update_framebuffer_visual(ctx, fb);
+}
+
+
+void GLAPIENTRY
+_mesa_GetFramebufferAttachmentParameterivEXT(GLenum target, GLenum attachment,
+ GLenum pname, GLint *params)
+{
+ const struct gl_renderbuffer_attachment *att;
+ struct gl_framebuffer *buffer;
+ GET_CURRENT_CONTEXT(ctx);
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ buffer = get_framebuffer_target(ctx, target);
+ if (!buffer) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetFramebufferAttachmentParameterivEXT(target)");
+ return;
+ }
+
+ if (buffer->Name == 0) {
+ /* the default / window-system FBO */
+ att = _mesa_get_fb0_attachment(ctx, buffer, attachment);
+ }
+ else {
+ /* user-created framebuffer FBO */
+ att = _mesa_get_attachment(ctx, buffer, attachment);
+ }
+
+ if (att == NULL) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetFramebufferAttachmentParameterivEXT(attachment)");
+ return;
+ }
+
+ if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
+ /* the depth and stencil attachments must point to the same buffer */
+ const struct gl_renderbuffer_attachment *depthAtt, *stencilAtt;
+ depthAtt = _mesa_get_attachment(ctx, buffer, GL_DEPTH_ATTACHMENT);
+ stencilAtt = _mesa_get_attachment(ctx, buffer, GL_STENCIL_ATTACHMENT);
+ if (depthAtt->Renderbuffer != stencilAtt->Renderbuffer) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetFramebufferAttachmentParameterivEXT(DEPTH/STENCIL"
+ " attachments differ)");
+ return;
+ }
+ }
+
+ /* No need to flush here */
+
+ switch (pname) {
+ case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_EXT:
+ *params = buffer->Name == 0 ? GL_FRAMEBUFFER_DEFAULT : att->Type;
+ return;
+ case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_EXT:
+ if (att->Type == GL_RENDERBUFFER_EXT) {
+ *params = att->Renderbuffer->Name;
+ }
+ else if (att->Type == GL_TEXTURE) {
+ *params = att->Texture->Name;
+ }
+ else {
+ assert(att->Type == GL_NONE);
+ *params = 0;
+ }
+ return;
+ case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL_EXT:
+ if (att->Type == GL_TEXTURE) {
+ *params = att->TextureLevel;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetFramebufferAttachmentParameterivEXT(pname)");
+ }
+ return;
+ case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE_EXT:
+ if (att->Type == GL_TEXTURE) {
+ if (att->Texture && att->Texture->Target == GL_TEXTURE_CUBE_MAP) {
+ *params = GL_TEXTURE_CUBE_MAP_POSITIVE_X + att->CubeMapFace;
+ }
+ else {
+ *params = 0;
+ }
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetFramebufferAttachmentParameterivEXT(pname)");
+ }
+ return;
+ case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_3D_ZOFFSET_EXT:
+ if (att->Type == GL_TEXTURE) {
+ if (att->Texture && att->Texture->Target == GL_TEXTURE_3D) {
+ *params = att->Zoffset;
+ }
+ else {
+ *params = 0;
+ }
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetFramebufferAttachmentParameterivEXT(pname)");
+ }
+ return;
+ case GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING:
+ if (!ctx->Extensions.ARB_framebuffer_object) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetFramebufferAttachmentParameterivEXT(pname)");
+ }
+ else {
+ if (ctx->Extensions.EXT_framebuffer_sRGB && ctx->Const.sRGBCapable) {
+ *params = _mesa_get_format_color_encoding(att->Renderbuffer->Format);
+ }
+ else {
+ /* According to ARB_framebuffer_sRGB, we should return LINEAR
+ * if the sRGB conversion is unsupported. */
+ *params = GL_LINEAR;
+ }
+ }
+ return;
+ case GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE:
+ if (!ctx->Extensions.ARB_framebuffer_object) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetFramebufferAttachmentParameterivEXT(pname)");
+ return;
+ }
+ else {
+ gl_format format = att->Renderbuffer->Format;
+ if (format == MESA_FORMAT_CI8 || format == MESA_FORMAT_S8) {
+ /* special cases */
+ *params = GL_INDEX;
+ }
+ else {
+ *params = _mesa_get_format_datatype(format);
+ }
+ }
+ return;
+ case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:
+ case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:
+ case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:
+ case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
+ case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
+ case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:
+ if (!ctx->Extensions.ARB_framebuffer_object) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetFramebufferAttachmentParameterivEXT(pname)");
+ }
+ else if (att->Texture) {
+ const struct gl_texture_image *texImage =
+ _mesa_select_tex_image(ctx, att->Texture, att->Texture->Target,
+ att->TextureLevel);
+ if (texImage) {
+ *params = get_component_bits(pname, texImage->_BaseFormat,
+ texImage->TexFormat);
+ }
+ else {
+ *params = 0;
+ }
+ }
+ else if (att->Renderbuffer) {
+ *params = get_component_bits(pname, att->Renderbuffer->_BaseFormat,
+ att->Renderbuffer->Format);
+ }
+ else {
+ *params = 0;
+ }
+ return;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetFramebufferAttachmentParameterivEXT(pname)");
+ return;
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_GenerateMipmapEXT(GLenum target)
+{
+ struct gl_texture_object *texObj;
+ GET_CURRENT_CONTEXT(ctx);
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+ FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
+ switch (target) {
+ case GL_TEXTURE_1D:
+ case GL_TEXTURE_2D:
+ case GL_TEXTURE_3D:
+ case GL_TEXTURE_CUBE_MAP:
+ /* OK, legal value */
+ break;
+ default:
+ /* XXX need to implement GL_TEXTURE_1D_ARRAY and GL_TEXTURE_2D_ARRAY */
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGenerateMipmapEXT(target)");
+ return;
+ }
+
+ texObj = _mesa_get_current_tex_object(ctx, target);
+
+ if (texObj->BaseLevel >= texObj->MaxLevel) {
+ /* nothing to do */
+ return;
+ }
+
+ if (texObj->Target == GL_TEXTURE_CUBE_MAP &&
+ !_mesa_cube_complete(texObj)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGenerateMipmap(incomplete cube map)");
+ return;
+ }
+
+ _mesa_lock_texture(ctx, texObj);
+ if (target == GL_TEXTURE_CUBE_MAP) {
+ GLuint face;
+ for (face = 0; face < 6; face++)
+ ctx->Driver.GenerateMipmap(ctx,
+ GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB + face,
+ texObj);
+ }
+ else {
+ ctx->Driver.GenerateMipmap(ctx, target, texObj);
+ }
+ _mesa_unlock_texture(ctx, texObj);
+}
+
+
+#if FEATURE_EXT_framebuffer_blit
+
+static const struct gl_renderbuffer_attachment *
+find_attachment(const struct gl_framebuffer *fb,
+ const struct gl_renderbuffer *rb)
+{
+ GLuint i;
+ for (i = 0; i < Elements(fb->Attachment); i++) {
+ if (fb->Attachment[i].Renderbuffer == rb)
+ return &fb->Attachment[i];
+ }
+ return NULL;
+}
+
+
+
+/**
+ * Blit rectangular region, optionally from one framebuffer to another.
+ *
+ * Note, if the src buffer is multisampled and the dest is not, this is
+ * when the samples must be resolved to a single color.
+ */
+void GLAPIENTRY
+_mesa_BlitFramebufferEXT(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
+ GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
+ GLbitfield mask, GLenum filter)
+{
+ const GLbitfield legalMaskBits = (GL_COLOR_BUFFER_BIT |
+ GL_DEPTH_BUFFER_BIT |
+ GL_STENCIL_BUFFER_BIT);
+ const struct gl_framebuffer *readFb, *drawFb;
+ const struct gl_renderbuffer *colorReadRb, *colorDrawRb;
+ GET_CURRENT_CONTEXT(ctx);
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+ FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx,
+ "glBlitFramebuffer(%d, %d, %d, %d, %d, %d, %d, %d, 0x%x, %s)\n",
+ srcX0, srcY0, srcX1, srcY1,
+ dstX0, dstY0, dstX1, dstY1,
+ mask, _mesa_lookup_enum_by_nr(filter));
+
+ if (ctx->NewState) {
+ _mesa_update_state(ctx);
+ }
+
+ readFb = ctx->ReadBuffer;
+ drawFb = ctx->DrawBuffer;
+
+ if (!readFb || !drawFb) {
+ /* This will normally never happen but someday we may want to
+ * support MakeCurrent() with no drawables.
+ */
+ return;
+ }
+
+ /* check for complete framebuffers */
+ if (drawFb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT ||
+ readFb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
+ _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
+ "glBlitFramebufferEXT(incomplete draw/read buffers)");
+ return;
+ }
+
+ if (filter != GL_NEAREST && filter != GL_LINEAR) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBlitFramebufferEXT(filter)");
+ return;
+ }
+
+ if (mask & ~legalMaskBits) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glBlitFramebufferEXT(mask)");
+ return;
+ }
+
+ /* depth/stencil must be blitted with nearest filtering */
+ if ((mask & (GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT))
+ && filter != GL_NEAREST) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBlitFramebufferEXT(depth/stencil requires GL_NEAREST filter");
+ return;
+ }
+
+ /* get color read/draw renderbuffers */
+ if (mask & GL_COLOR_BUFFER_BIT) {
+ colorReadRb = readFb->_ColorReadBuffer;
+ colorDrawRb = drawFb->_ColorDrawBuffers[0];
+ }
+ else {
+ colorReadRb = colorDrawRb = NULL;
+ }
+
+ if (mask & GL_STENCIL_BUFFER_BIT) {
+ struct gl_renderbuffer *readRb = readFb->_StencilBuffer;
+ struct gl_renderbuffer *drawRb = drawFb->_StencilBuffer;
+ if (!readRb ||
+ !drawRb ||
+ _mesa_get_format_bits(readRb->Format, GL_STENCIL_BITS) !=
+ _mesa_get_format_bits(drawRb->Format, GL_STENCIL_BITS)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBlitFramebufferEXT(stencil buffer size mismatch");
+ return;
+ }
+ }
+
+ if (mask & GL_DEPTH_BUFFER_BIT) {
+ struct gl_renderbuffer *readRb = readFb->_DepthBuffer;
+ struct gl_renderbuffer *drawRb = drawFb->_DepthBuffer;
+ if (!readRb ||
+ !drawRb ||
+ _mesa_get_format_bits(readRb->Format, GL_DEPTH_BITS) !=
+ _mesa_get_format_bits(drawRb->Format, GL_DEPTH_BITS)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBlitFramebufferEXT(depth buffer size mismatch");
+ return;
+ }
+ }
+
+ if (readFb->Visual.samples > 0 &&
+ drawFb->Visual.samples > 0 &&
+ readFb->Visual.samples != drawFb->Visual.samples) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBlitFramebufferEXT(mismatched samples");
+ return;
+ }
+
+ /* extra checks for multisample copies... */
+ if (readFb->Visual.samples > 0 || drawFb->Visual.samples > 0) {
+ /* src and dest region sizes must be the same */
+ if (srcX1 - srcX0 != dstX1 - dstX0 ||
+ srcY1 - srcY0 != dstY1 - dstY0) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBlitFramebufferEXT(bad src/dst multisample region sizes");
+ return;
+ }
+
+ /* color formats must match */
+ if (colorReadRb &&
+ colorDrawRb &&
+ colorReadRb->Format != colorDrawRb->Format) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBlitFramebufferEXT(bad src/dst multisample pixel formats");
+ return;
+ }
+ }
+
+ if (!ctx->Extensions.EXT_framebuffer_blit) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glBlitFramebufferEXT");
+ return;
+ }
+
+ /* Debug code */
+ if (DEBUG_BLIT) {
+ printf("glBlitFramebuffer(%d, %d, %d, %d, %d, %d, %d, %d,"
+ " 0x%x, 0x%x)\n",
+ srcX0, srcY0, srcX1, srcY1,
+ dstX0, dstY0, dstX1, dstY1,
+ mask, filter);
+ if (colorReadRb) {
+ const struct gl_renderbuffer_attachment *att;
+
+ att = find_attachment(readFb, colorReadRb);
+ printf(" Src FBO %u RB %u (%dx%d) ",
+ readFb->Name, colorReadRb->Name,
+ colorReadRb->Width, colorReadRb->Height);
+ if (att && att->Texture) {
+ printf("Tex %u tgt 0x%x level %u face %u",
+ att->Texture->Name,
+ att->Texture->Target,
+ att->TextureLevel,
+ att->CubeMapFace);
+ }
+ printf("\n");
+
+ att = find_attachment(drawFb, colorDrawRb);
+ printf(" Dst FBO %u RB %u (%dx%d) ",
+ drawFb->Name, colorDrawRb->Name,
+ colorDrawRb->Width, colorDrawRb->Height);
+ if (att && att->Texture) {
+ printf("Tex %u tgt 0x%x level %u face %u",
+ att->Texture->Name,
+ att->Texture->Target,
+ att->TextureLevel,
+ att->CubeMapFace);
+ }
+ printf("\n");
+ }
+ }
+
+ ASSERT(ctx->Driver.BlitFramebuffer);
+ ctx->Driver.BlitFramebuffer(ctx,
+ srcX0, srcY0, srcX1, srcY1,
+ dstX0, dstY0, dstX1, dstY1,
+ mask, filter);
+}
+#endif /* FEATURE_EXT_framebuffer_blit */
+
+#if FEATURE_ARB_geometry_shader4
+void GLAPIENTRY
+_mesa_FramebufferTextureARB(GLenum target, GLenum attachment,
+ GLuint texture, GLint level)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glFramebufferTextureARB "
+ "not implemented!");
+}
+
+void GLAPIENTRY
+_mesa_FramebufferTextureFaceARB(GLenum target, GLenum attachment,
+ GLuint texture, GLint level, GLenum face)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glFramebufferTextureFaceARB "
+ "not implemented!");
+}
+#endif /* FEATURE_ARB_geometry_shader4 */
diff --git a/mesalib/src/mesa/main/formats.c b/mesalib/src/mesa/main/formats.c
index db10c9b4c..e2541bdf6 100644
--- a/mesalib/src/mesa/main/formats.c
+++ b/mesalib/src/mesa/main/formats.c
@@ -1,1698 +1,1698 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.7
- *
- * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
- * Copyright (c) 2008-2009 VMware, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-#include "imports.h"
-#include "formats.h"
-#include "mfeatures.h"
-
-
-/**
- * Information about texture formats.
- */
-struct gl_format_info
-{
- gl_format Name;
-
- /** text name for debugging */
- const char *StrName;
-
- /**
- * Base format is one of GL_RED, GL_RG, GL_RGB, GL_RGBA, GL_ALPHA,
- * GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_INTENSITY, GL_YCBCR_MESA,
- * GL_COLOR_INDEX, GL_DEPTH_COMPONENT, GL_STENCIL_INDEX,
- * GL_DEPTH_STENCIL, GL_DUDV_ATI.
- */
- GLenum BaseFormat;
-
- /**
- * Logical data type: one of GL_UNSIGNED_NORMALIZED, GL_SIGNED_NORMALED,
- * GL_UNSIGNED_INT, GL_INT, GL_FLOAT.
- */
- GLenum DataType;
-
- GLubyte RedBits;
- GLubyte GreenBits;
- GLubyte BlueBits;
- GLubyte AlphaBits;
- GLubyte LuminanceBits;
- GLubyte IntensityBits;
- GLubyte IndexBits;
- GLubyte DepthBits;
- GLubyte StencilBits;
-
- /**
- * To describe compressed formats. If not compressed, Width=Height=1.
- */
- GLubyte BlockWidth, BlockHeight;
- GLubyte BytesPerBlock;
-};
-
-
-/**
- * Info about each format.
- * These must be in the same order as the MESA_FORMAT_* enums so that
- * we can do lookups without searching.
- */
-static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
-{
- {
- MESA_FORMAT_NONE, /* Name */
- "MESA_FORMAT_NONE", /* StrName */
- GL_NONE, /* BaseFormat */
- GL_NONE, /* DataType */
- 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 0, 0, 0 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_RGBA8888, /* Name */
- "MESA_FORMAT_RGBA8888", /* StrName */
- GL_RGBA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 8, 8, 8, 8, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 4 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_RGBA8888_REV, /* Name */
- "MESA_FORMAT_RGBA8888_REV", /* StrName */
- GL_RGBA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 8, 8, 8, 8, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 4 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_ARGB8888, /* Name */
- "MESA_FORMAT_ARGB8888", /* StrName */
- GL_RGBA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 8, 8, 8, 8, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 4 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_ARGB8888_REV, /* Name */
- "MESA_FORMAT_ARGB8888_REV", /* StrName */
- GL_RGBA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 8, 8, 8, 8, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 4 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_XRGB8888, /* Name */
- "MESA_FORMAT_XRGB8888", /* StrName */
- GL_RGB, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 4 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_XRGB8888_REV, /* Name */
- "MESA_FORMAT_XRGB8888_REV", /* StrName */
- GL_RGB, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 4 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_RGB888, /* Name */
- "MESA_FORMAT_RGB888", /* StrName */
- GL_RGB, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 3 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_BGR888, /* Name */
- "MESA_FORMAT_BGR888", /* StrName */
- GL_RGB, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 3 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_RGB565, /* Name */
- "MESA_FORMAT_RGB565", /* StrName */
- GL_RGB, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 5, 6, 5, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 2 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_RGB565_REV, /* Name */
- "MESA_FORMAT_RGB565_REV", /* StrName */
- GL_RGB, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 5, 6, 5, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 2 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_ARGB4444, /* Name */
- "MESA_FORMAT_ARGB4444", /* StrName */
- GL_RGBA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 4, 4, 4, 4, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 2 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_ARGB4444_REV, /* Name */
- "MESA_FORMAT_ARGB4444_REV", /* StrName */
- GL_RGBA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 4, 4, 4, 4, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 2 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_RGBA5551, /* Name */
- "MESA_FORMAT_RGBA5551", /* StrName */
- GL_RGBA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 5, 5, 5, 1, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 2 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_ARGB1555, /* Name */
- "MESA_FORMAT_ARGB1555", /* StrName */
- GL_RGBA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 5, 5, 5, 1, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 2 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_ARGB1555_REV, /* Name */
- "MESA_FORMAT_ARGB1555_REV", /* StrName */
- GL_RGBA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 5, 5, 5, 1, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 2 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_AL44, /* Name */
- "MESA_FORMAT_AL44", /* StrName */
- GL_LUMINANCE_ALPHA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 0, 0, 0, 4, /* Red/Green/Blue/AlphaBits */
- 4, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 1 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_AL88, /* Name */
- "MESA_FORMAT_AL88", /* StrName */
- GL_LUMINANCE_ALPHA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 0, 0, 0, 8, /* Red/Green/Blue/AlphaBits */
- 8, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 2 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_AL88_REV, /* Name */
- "MESA_FORMAT_AL88_REV", /* StrName */
- GL_LUMINANCE_ALPHA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 0, 0, 0, 8, /* Red/Green/Blue/AlphaBits */
- 8, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 2 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_AL1616, /* Name */
- "MESA_FORMAT_AL1616", /* StrName */
- GL_LUMINANCE_ALPHA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 0, 0, 0, 16, /* Red/Green/Blue/AlphaBits */
- 16, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 4 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_AL1616_REV, /* Name */
- "MESA_FORMAT_AL1616_REV", /* StrName */
- GL_LUMINANCE_ALPHA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 0, 0, 0, 16, /* Red/Green/Blue/AlphaBits */
- 16, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 4 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_RGB332, /* Name */
- "MESA_FORMAT_RGB332", /* StrName */
- GL_RGB, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 3, 3, 2, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 1 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_A8, /* Name */
- "MESA_FORMAT_A8", /* StrName */
- GL_ALPHA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 0, 0, 0, 8, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 1 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_A16, /* Name */
- "MESA_FORMAT_A16", /* StrName */
- GL_ALPHA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 0, 0, 0, 16, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 2 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_L8, /* Name */
- "MESA_FORMAT_L8", /* StrName */
- GL_LUMINANCE, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
- 8, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 1 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_L16, /* Name */
- "MESA_FORMAT_L16", /* StrName */
- GL_LUMINANCE, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
- 16, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 2 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_I8, /* Name */
- "MESA_FORMAT_I8", /* StrName */
- GL_INTENSITY, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
- 0, 8, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 1 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_I16, /* Name */
- "MESA_FORMAT_I16", /* StrName */
- GL_INTENSITY, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
- 0, 16, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 2 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_CI8, /* Name */
- "MESA_FORMAT_CI8", /* StrName */
- GL_COLOR_INDEX, /* BaseFormat */
- GL_UNSIGNED_INT, /* DataType */
- 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 8, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 1 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_YCBCR, /* Name */
- "MESA_FORMAT_YCBCR", /* StrName */
- GL_YCBCR_MESA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 2 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_YCBCR_REV, /* Name */
- "MESA_FORMAT_YCBCR_REV", /* StrName */
- GL_YCBCR_MESA, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 2 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_R8,
- "MESA_FORMAT_R8",
- GL_RED,
- GL_UNSIGNED_NORMALIZED,
- 8, 0, 0, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 1
- },
- {
- MESA_FORMAT_RG88,
- "MESA_FORMAT_RG88",
- GL_RG,
- GL_UNSIGNED_NORMALIZED,
- 8, 8, 0, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 2
- },
- {
- MESA_FORMAT_RG88_REV,
- "MESA_FORMAT_RG88_REV",
- GL_RG,
- GL_UNSIGNED_NORMALIZED,
- 8, 8, 0, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 2
- },
- {
- MESA_FORMAT_R16,
- "MESA_FORMAT_R16",
- GL_RED,
- GL_UNSIGNED_NORMALIZED,
- 16, 0, 0, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 2
- },
- {
- MESA_FORMAT_RG1616,
- "MESA_FORMAT_RG1616",
- GL_RG,
- GL_UNSIGNED_NORMALIZED,
- 16, 16, 0, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 4
- },
- {
- MESA_FORMAT_RG1616_REV,
- "MESA_FORMAT_RG1616_REV",
- GL_RG,
- GL_UNSIGNED_NORMALIZED,
- 16, 16, 0, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 4
- },
- {
- MESA_FORMAT_ARGB2101010,
- "MESA_FORMAT_ARGB2101010",
- GL_RGBA,
- GL_UNSIGNED_NORMALIZED,
- 10, 10, 10, 2,
- 0, 0, 0, 0, 0,
- 1, 1, 4
- },
- {
- MESA_FORMAT_Z24_S8, /* Name */
- "MESA_FORMAT_Z24_S8", /* StrName */
- GL_DEPTH_STENCIL, /* BaseFormat */
- GL_UNSIGNED_INT, /* DataType */
- 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 24, 8, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 4 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_S8_Z24, /* Name */
- "MESA_FORMAT_S8_Z24", /* StrName */
- GL_DEPTH_STENCIL, /* BaseFormat */
- GL_UNSIGNED_INT, /* DataType */
- 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 24, 8, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 4 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_Z16, /* Name */
- "MESA_FORMAT_Z16", /* StrName */
- GL_DEPTH_COMPONENT, /* BaseFormat */
- GL_UNSIGNED_INT, /* DataType */
- 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 16, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 2 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_X8_Z24, /* Name */
- "MESA_FORMAT_X8_Z24", /* StrName */
- GL_DEPTH_COMPONENT, /* BaseFormat */
- GL_UNSIGNED_INT, /* DataType */
- 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 24, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 4 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_Z24_X8, /* Name */
- "MESA_FORMAT_Z24_X8", /* StrName */
- GL_DEPTH_COMPONENT, /* BaseFormat */
- GL_UNSIGNED_INT, /* DataType */
- 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 24, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 4 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_Z32, /* Name */
- "MESA_FORMAT_Z32", /* StrName */
- GL_DEPTH_COMPONENT, /* BaseFormat */
- GL_UNSIGNED_INT, /* DataType */
- 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 32, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 4 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_S8, /* Name */
- "MESA_FORMAT_S8", /* StrName */
- GL_STENCIL_INDEX, /* BaseFormat */
- GL_UNSIGNED_INT, /* DataType */
- 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 8, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 1 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_SRGB8,
- "MESA_FORMAT_SRGB8",
- GL_RGB,
- GL_UNSIGNED_NORMALIZED,
- 8, 8, 8, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 3
- },
- {
- MESA_FORMAT_SRGBA8,
- "MESA_FORMAT_SRGBA8",
- GL_RGBA,
- GL_UNSIGNED_NORMALIZED,
- 8, 8, 8, 8,
- 0, 0, 0, 0, 0,
- 1, 1, 4
- },
- {
- MESA_FORMAT_SARGB8,
- "MESA_FORMAT_SARGB8",
- GL_RGBA,
- GL_UNSIGNED_NORMALIZED,
- 8, 8, 8, 8,
- 0, 0, 0, 0, 0,
- 1, 1, 4
- },
- {
- MESA_FORMAT_SL8,
- "MESA_FORMAT_SL8",
- GL_LUMINANCE,
- GL_UNSIGNED_NORMALIZED,
- 0, 0, 0, 0,
- 8, 0, 0, 0, 0,
- 1, 1, 1
- },
- {
- MESA_FORMAT_SLA8,
- "MESA_FORMAT_SLA8",
- GL_LUMINANCE_ALPHA,
- GL_UNSIGNED_NORMALIZED,
- 0, 0, 0, 8,
- 8, 0, 0, 0, 0,
- 1, 1, 2
- },
- {
- MESA_FORMAT_SRGB_DXT1, /* Name */
- "MESA_FORMAT_SRGB_DXT1", /* StrName */
- GL_RGB, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 4, 4, 4, 0, /* approx Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 4, 4, 8 /* 8 bytes per 4x4 block */
- },
- {
- MESA_FORMAT_SRGBA_DXT1,
- "MESA_FORMAT_SRGBA_DXT1",
- GL_RGBA,
- GL_UNSIGNED_NORMALIZED,
- 4, 4, 4, 4,
- 0, 0, 0, 0, 0,
- 4, 4, 8 /* 8 bytes per 4x4 block */
- },
- {
- MESA_FORMAT_SRGBA_DXT3,
- "MESA_FORMAT_SRGBA_DXT3",
- GL_RGBA,
- GL_UNSIGNED_NORMALIZED,
- 4, 4, 4, 4,
- 0, 0, 0, 0, 0,
- 4, 4, 16 /* 16 bytes per 4x4 block */
- },
- {
- MESA_FORMAT_SRGBA_DXT5,
- "MESA_FORMAT_SRGBA_DXT5",
- GL_RGBA,
- GL_UNSIGNED_NORMALIZED,
- 4, 4, 4, 4,
- 0, 0, 0, 0, 0,
- 4, 4, 16 /* 16 bytes per 4x4 block */
- },
-
- {
- MESA_FORMAT_RGB_FXT1,
- "MESA_FORMAT_RGB_FXT1",
- GL_RGB,
- GL_UNSIGNED_NORMALIZED,
- 4, 4, 4, 0, /* approx Red/Green/BlueBits */
- 0, 0, 0, 0, 0,
- 8, 4, 16 /* 16 bytes per 8x4 block */
- },
- {
- MESA_FORMAT_RGBA_FXT1,
- "MESA_FORMAT_RGBA_FXT1",
- GL_RGBA,
- GL_UNSIGNED_NORMALIZED,
- 4, 4, 4, 1, /* approx Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0,
- 8, 4, 16 /* 16 bytes per 8x4 block */
- },
-
- {
- MESA_FORMAT_RGB_DXT1, /* Name */
- "MESA_FORMAT_RGB_DXT1", /* StrName */
- GL_RGB, /* BaseFormat */
- GL_UNSIGNED_NORMALIZED, /* DataType */
- 4, 4, 4, 0, /* approx Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 4, 4, 8 /* 8 bytes per 4x4 block */
- },
- {
- MESA_FORMAT_RGBA_DXT1,
- "MESA_FORMAT_RGBA_DXT1",
- GL_RGBA,
- GL_UNSIGNED_NORMALIZED,
- 4, 4, 4, 4,
- 0, 0, 0, 0, 0,
- 4, 4, 8 /* 8 bytes per 4x4 block */
- },
- {
- MESA_FORMAT_RGBA_DXT3,
- "MESA_FORMAT_RGBA_DXT3",
- GL_RGBA,
- GL_UNSIGNED_NORMALIZED,
- 4, 4, 4, 4,
- 0, 0, 0, 0, 0,
- 4, 4, 16 /* 16 bytes per 4x4 block */
- },
- {
- MESA_FORMAT_RGBA_DXT5,
- "MESA_FORMAT_RGBA_DXT5",
- GL_RGBA,
- GL_UNSIGNED_NORMALIZED,
- 4, 4, 4, 4,
- 0, 0, 0, 0, 0,
- 4, 4, 16 /* 16 bytes per 4x4 block */
- },
- {
- MESA_FORMAT_RGBA_FLOAT32,
- "MESA_FORMAT_RGBA_FLOAT32",
- GL_RGBA,
- GL_FLOAT,
- 32, 32, 32, 32,
- 0, 0, 0, 0, 0,
- 1, 1, 16
- },
- {
- MESA_FORMAT_RGBA_FLOAT16,
- "MESA_FORMAT_RGBA_FLOAT16",
- GL_RGBA,
- GL_FLOAT,
- 16, 16, 16, 16,
- 0, 0, 0, 0, 0,
- 1, 1, 8
- },
- {
- MESA_FORMAT_RGB_FLOAT32,
- "MESA_FORMAT_RGB_FLOAT32",
- GL_RGB,
- GL_FLOAT,
- 32, 32, 32, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 12
- },
- {
- MESA_FORMAT_RGB_FLOAT16,
- "MESA_FORMAT_RGB_FLOAT16",
- GL_RGB,
- GL_FLOAT,
- 16, 16, 16, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 6
- },
- {
- MESA_FORMAT_ALPHA_FLOAT32,
- "MESA_FORMAT_ALPHA_FLOAT32",
- GL_ALPHA,
- GL_FLOAT,
- 0, 0, 0, 32,
- 0, 0, 0, 0, 0,
- 1, 1, 4
- },
- {
- MESA_FORMAT_ALPHA_FLOAT16,
- "MESA_FORMAT_ALPHA_FLOAT16",
- GL_ALPHA,
- GL_FLOAT,
- 0, 0, 0, 16,
- 0, 0, 0, 0, 0,
- 1, 1, 2
- },
- {
- MESA_FORMAT_LUMINANCE_FLOAT32,
- "MESA_FORMAT_LUMINANCE_FLOAT32",
- GL_ALPHA,
- GL_FLOAT,
- 0, 0, 0, 0,
- 32, 0, 0, 0, 0,
- 1, 1, 4
- },
- {
- MESA_FORMAT_LUMINANCE_FLOAT16,
- "MESA_FORMAT_LUMINANCE_FLOAT16",
- GL_ALPHA,
- GL_FLOAT,
- 0, 0, 0, 0,
- 16, 0, 0, 0, 0,
- 1, 1, 2
- },
- {
- MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32,
- "MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32",
- GL_LUMINANCE_ALPHA,
- GL_FLOAT,
- 0, 0, 0, 32,
- 32, 0, 0, 0, 0,
- 1, 1, 8
- },
- {
- MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16,
- "MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16",
- GL_LUMINANCE_ALPHA,
- GL_FLOAT,
- 0, 0, 0, 16,
- 16, 0, 0, 0, 0,
- 1, 1, 4
- },
- {
- MESA_FORMAT_INTENSITY_FLOAT32,
- "MESA_FORMAT_INTENSITY_FLOAT32",
- GL_INTENSITY,
- GL_FLOAT,
- 0, 0, 0, 0,
- 0, 32, 0, 0, 0,
- 1, 1, 4
- },
- {
- MESA_FORMAT_INTENSITY_FLOAT16,
- "MESA_FORMAT_INTENSITY_FLOAT16",
- GL_INTENSITY,
- GL_FLOAT,
- 0, 0, 0, 0,
- 0, 16, 0, 0, 0,
- 1, 1, 2
- },
-
- /* unnormalized signed int formats */
- {
- MESA_FORMAT_RGBA_INT8,
- "MESA_FORMAT_RGBA_INT8",
- GL_RGBA,
- GL_INT,
- 8, 8, 8, 8,
- 0, 0, 0, 0, 0,
- 1, 1, 4
- },
- {
- MESA_FORMAT_RGBA_INT16,
- "MESA_FORMAT_RGBA_INT16",
- GL_RGBA,
- GL_INT,
- 16, 16, 16, 16,
- 0, 0, 0, 0, 0,
- 1, 1, 8
- },
- {
- MESA_FORMAT_RGBA_INT32,
- "MESA_FORMAT_RGBA_INT32",
- GL_RGBA,
- GL_INT,
- 32, 32, 32, 32,
- 0, 0, 0, 0, 0,
- 1, 1, 16
- },
-
- /* unnormalized unsigned int formats */
- {
- MESA_FORMAT_RGBA_UINT8,
- "MESA_FORMAT_RGBA_UINT8",
- GL_RGBA,
- GL_UNSIGNED_INT,
- 8, 8, 8, 8,
- 0, 0, 0, 0, 0,
- 1, 1, 4
- },
- {
- MESA_FORMAT_RGBA_UINT16,
- "MESA_FORMAT_RGBA_UINT16",
- GL_RGBA,
- GL_UNSIGNED_INT,
- 16, 16, 16, 16,
- 0, 0, 0, 0, 0,
- 1, 1, 8
- },
- {
- MESA_FORMAT_RGBA_UINT32,
- "MESA_FORMAT_RGBA_UINT32",
- GL_RGBA,
- GL_UNSIGNED_INT,
- 32, 32, 32, 32,
- 0, 0, 0, 0, 0,
- 1, 1, 16
- },
-
-
- {
- MESA_FORMAT_DUDV8,
- "MESA_FORMAT_DUDV8",
- GL_DUDV_ATI,
- GL_SIGNED_NORMALIZED,
- 0, 0, 0, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 2
- },
-
- /* Signed 8 bits / channel */
- {
- MESA_FORMAT_SIGNED_R8, /* Name */
- "MESA_FORMAT_SIGNED_R8", /* StrName */
- GL_RED, /* BaseFormat */
- GL_SIGNED_NORMALIZED, /* DataType */
- 8, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
- 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
- 1, 1, 1 /* BlockWidth/Height,Bytes */
- },
- {
- MESA_FORMAT_SIGNED_RG88,
- "MESA_FORMAT_SIGNED_RG88",
- GL_RG,
- GL_SIGNED_NORMALIZED,
- 8, 8, 0, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 2
- },
- {
- MESA_FORMAT_SIGNED_RGBX8888,
- "MESA_FORMAT_SIGNED_RGBX8888",
- GL_RGB,
- GL_SIGNED_NORMALIZED,
- 8, 8, 8, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 4 /* 4 bpp, but no alpha */
- },
- {
- MESA_FORMAT_SIGNED_RGBA8888,
- "MESA_FORMAT_SIGNED_RGBA8888",
- GL_RGBA,
- GL_SIGNED_NORMALIZED,
- 8, 8, 8, 8,
- 0, 0, 0, 0, 0,
- 1, 1, 4
- },
- {
- MESA_FORMAT_SIGNED_RGBA8888_REV,
- "MESA_FORMAT_SIGNED_RGBA8888_REV",
- GL_RGBA,
- GL_SIGNED_NORMALIZED,
- 8, 8, 8, 8,
- 0, 0, 0, 0, 0,
- 1, 1, 4
- },
-
- /* Signed 16 bits / channel */
- {
- MESA_FORMAT_SIGNED_R_16,
- "MESA_FORMAT_SIGNED_R_16",
- GL_RED,
- GL_SIGNED_NORMALIZED,
- 16, 0, 0, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 2
- },
- {
- MESA_FORMAT_SIGNED_RG_16,
- "MESA_FORMAT_SIGNED_RG_16",
- GL_RG,
- GL_SIGNED_NORMALIZED,
- 16, 16, 0, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 4
- },
- {
- MESA_FORMAT_SIGNED_RGB_16,
- "MESA_FORMAT_SIGNED_RGB_16",
- GL_RGB,
- GL_SIGNED_NORMALIZED,
- 16, 16, 16, 0,
- 0, 0, 0, 0, 0,
- 1, 1, 6
- },
- {
- MESA_FORMAT_SIGNED_RGBA_16,
- "MESA_FORMAT_SIGNED_RGBA_16",
- GL_RGBA,
- GL_SIGNED_NORMALIZED,
- 16, 16, 16, 16,
- 0, 0, 0, 0, 0,
- 1, 1, 8
- },
- {
- MESA_FORMAT_RGBA_16,
- "MESA_FORMAT_RGBA_16",
- GL_RGBA,
- GL_UNSIGNED_NORMALIZED,
- 16, 16, 16, 16,
- 0, 0, 0, 0, 0,
- 1, 1, 8
- },
- {
- MESA_FORMAT_RED_RGTC1,
- "MESA_FORMAT_RED_RGTC1",
- GL_RED,
- GL_UNSIGNED_NORMALIZED,
- 4, 0, 0, 0,
- 0, 0, 0, 0, 0,
- 4, 4, 8 /* 8 bytes per 4x4 block */
- },
- {
- MESA_FORMAT_SIGNED_RED_RGTC1,
- "MESA_FORMAT_SIGNED_RED_RGTC1",
- GL_RED,
- GL_SIGNED_NORMALIZED,
- 4, 0, 0, 0,
- 0, 0, 0, 0, 0,
- 4, 4, 8 /* 8 bytes per 4x4 block */
- },
- {
- MESA_FORMAT_RG_RGTC2,
- "MESA_FORMAT_RG_RGTC2",
- GL_RG,
- GL_UNSIGNED_NORMALIZED,
- 4, 4, 0, 0,
- 0, 0, 0, 0, 0,
- 4, 4, 16 /* 16 bytes per 4x4 block */
- },
- {
- MESA_FORMAT_SIGNED_RG_RGTC2,
- "MESA_FORMAT_SIGNED_RG_RGTC2",
- GL_RG,
- GL_SIGNED_NORMALIZED,
- 4, 4, 0, 0,
- 0, 0, 0, 0, 0,
- 4, 4, 16 /* 16 bytes per 4x4 block */
- },
- {
- MESA_FORMAT_L_LATC1,
- "MESA_FORMAT_L_LATC1",
- GL_LUMINANCE,
- GL_UNSIGNED_NORMALIZED,
- 0, 0, 0, 0,
- 4, 0, 0, 0, 0,
- 4, 4, 8 /* 8 bytes per 4x4 block */
- },
- {
- MESA_FORMAT_SIGNED_L_LATC1,
- "MESA_FORMAT_SIGNED_L_LATC1",
- GL_LUMINANCE,
- GL_SIGNED_NORMALIZED,
- 0, 0, 0, 0,
- 4, 0, 0, 0, 0,
- 4, 4, 8 /* 8 bytes per 4x4 block */
- },
- {
- MESA_FORMAT_LA_LATC2,
- "MESA_FORMAT_LA_LATC2",
- GL_LUMINANCE_ALPHA,
- GL_UNSIGNED_NORMALIZED,
- 0, 0, 0, 4,
- 4, 0, 0, 0, 0,
- 4, 4, 16 /* 16 bytes per 4x4 block */
- },
- {
- MESA_FORMAT_SIGNED_LA_LATC2,
- "MESA_FORMAT_SIGNED_LA_LATC2",
- GL_LUMINANCE_ALPHA,
- GL_SIGNED_NORMALIZED,
- 0, 0, 0, 4,
- 4, 0, 0, 0, 0,
- 4, 4, 16 /* 16 bytes per 4x4 block */
- },
-};
-
-
-
-static const struct gl_format_info *
-_mesa_get_format_info(gl_format format)
-{
- const struct gl_format_info *info = &format_info[format];
- assert(info->Name == format);
- return info;
-}
-
-
-/** Return string name of format (for debugging) */
-const char *
-_mesa_get_format_name(gl_format format)
-{
- const struct gl_format_info *info = _mesa_get_format_info(format);
- return info->StrName;
-}
-
-
-
-/**
- * Return bytes needed to store a block of pixels in the given format.
- * Normally, a block is 1x1 (a single pixel). But for compressed formats
- * a block may be 4x4 or 8x4, etc.
- */
-GLuint
-_mesa_get_format_bytes(gl_format format)
-{
- const struct gl_format_info *info = _mesa_get_format_info(format);
- ASSERT(info->BytesPerBlock);
- return info->BytesPerBlock;
-}
-
-
-/**
- * Return bits per component for the given format.
- * \param format one of MESA_FORMAT_x
- * \param pname the component, such as GL_RED_BITS, GL_TEXTURE_BLUE_BITS, etc.
- */
-GLint
-_mesa_get_format_bits(gl_format format, GLenum pname)
-{
- const struct gl_format_info *info = _mesa_get_format_info(format);
-
- switch (pname) {
- case GL_RED_BITS:
- case GL_TEXTURE_RED_SIZE:
- case GL_RENDERBUFFER_RED_SIZE_EXT:
- case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:
- return info->RedBits;
- case GL_GREEN_BITS:
- case GL_TEXTURE_GREEN_SIZE:
- case GL_RENDERBUFFER_GREEN_SIZE_EXT:
- case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:
- return info->GreenBits;
- case GL_BLUE_BITS:
- case GL_TEXTURE_BLUE_SIZE:
- case GL_RENDERBUFFER_BLUE_SIZE_EXT:
- case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:
- return info->BlueBits;
- case GL_ALPHA_BITS:
- case GL_TEXTURE_ALPHA_SIZE:
- case GL_RENDERBUFFER_ALPHA_SIZE_EXT:
- case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
- return info->AlphaBits;
- case GL_TEXTURE_INTENSITY_SIZE:
- return info->IntensityBits;
- case GL_TEXTURE_LUMINANCE_SIZE:
- return info->LuminanceBits;
- case GL_INDEX_BITS:
- case GL_TEXTURE_INDEX_SIZE_EXT:
- return info->IndexBits;
- case GL_DEPTH_BITS:
- case GL_TEXTURE_DEPTH_SIZE_ARB:
- case GL_RENDERBUFFER_DEPTH_SIZE_EXT:
- case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
- return info->DepthBits;
- case GL_STENCIL_BITS:
- case GL_TEXTURE_STENCIL_SIZE_EXT:
- case GL_RENDERBUFFER_STENCIL_SIZE_EXT:
- case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:
- return info->StencilBits;
- default:
- _mesa_problem(NULL, "bad pname in _mesa_get_format_bits()");
- return 0;
- }
-}
-
-
-/**
- * Return the data type (or more specifically, the data representation)
- * for the given format.
- * The return value will be one of:
- * GL_UNSIGNED_NORMALIZED = unsigned int representing [0,1]
- * GL_SIGNED_NORMALIZED = signed int representing [-1, 1]
- * GL_UNSIGNED_INT = an ordinary unsigned integer
- * GL_INT = an ordinary signed integer
- * GL_FLOAT = an ordinary float
- */
-GLenum
-_mesa_get_format_datatype(gl_format format)
-{
- const struct gl_format_info *info = _mesa_get_format_info(format);
- return info->DataType;
-}
-
-
-/**
- * Return the basic format for the given type. The result will be
- * one of GL_RGB, GL_RGBA, GL_ALPHA, GL_LUMINANCE, GL_LUMINANCE_ALPHA,
- * GL_INTENSITY, GL_YCBCR_MESA, GL_COLOR_INDEX, GL_DEPTH_COMPONENT,
- * GL_STENCIL_INDEX, GL_DEPTH_STENCIL.
- */
-GLenum
-_mesa_get_format_base_format(gl_format format)
-{
- const struct gl_format_info *info = _mesa_get_format_info(format);
- return info->BaseFormat;
-}
-
-
-/**
- * Return the block size (in pixels) for the given format. Normally
- * the block size is 1x1. But compressed formats will have block sizes
- * of 4x4 or 8x4 pixels, etc.
- * \param bw returns block width in pixels
- * \param bh returns block height in pixels
- */
-void
-_mesa_get_format_block_size(gl_format format, GLuint *bw, GLuint *bh)
-{
- const struct gl_format_info *info = _mesa_get_format_info(format);
- *bw = info->BlockWidth;
- *bh = info->BlockHeight;
-}
-
-
-/** Is the given format a compressed format? */
-GLboolean
-_mesa_is_format_compressed(gl_format format)
-{
- const struct gl_format_info *info = _mesa_get_format_info(format);
- return info->BlockWidth > 1 || info->BlockHeight > 1;
-}
-
-
-/**
- * Determine if the given format represents a packed depth/stencil buffer.
- */
-GLboolean
-_mesa_is_format_packed_depth_stencil(gl_format format)
-{
- const struct gl_format_info *info = _mesa_get_format_info(format);
-
- return info->BaseFormat == GL_DEPTH_STENCIL;
-}
-
-
-/**
- * Is the given format a signed/unsigned integer color format?
- */
-GLboolean
-_mesa_is_format_integer_color(gl_format format)
-{
- const struct gl_format_info *info = _mesa_get_format_info(format);
- return (info->DataType == GL_INT || info->DataType == GL_UNSIGNED_INT) &&
- info->BaseFormat != GL_DEPTH_COMPONENT &&
- info->BaseFormat != GL_DEPTH_STENCIL &&
- info->BaseFormat != GL_STENCIL_INDEX;
-}
-
-
-/**
- * Return color encoding for given format.
- * \return GL_LINEAR or GL_SRGB
- */
-GLenum
-_mesa_get_format_color_encoding(gl_format format)
-{
- /* XXX this info should be encoded in gl_format_info */
- switch (format) {
- case MESA_FORMAT_SRGB8:
- case MESA_FORMAT_SRGBA8:
- case MESA_FORMAT_SARGB8:
- case MESA_FORMAT_SL8:
- case MESA_FORMAT_SLA8:
- case MESA_FORMAT_SRGB_DXT1:
- case MESA_FORMAT_SRGBA_DXT1:
- case MESA_FORMAT_SRGBA_DXT3:
- case MESA_FORMAT_SRGBA_DXT5:
- return GL_SRGB;
- default:
- return GL_LINEAR;
- }
-}
-
-
-/**
- * For an sRGB format, return the corresponding linear color space format.
- * For non-sRGB formats, return the format as-is.
- */
-gl_format
-_mesa_get_srgb_format_linear(gl_format format)
-{
- switch (format) {
- case MESA_FORMAT_SRGB8:
- format = MESA_FORMAT_RGB888;
- break;
- case MESA_FORMAT_SRGBA8:
- format = MESA_FORMAT_RGBA8888;
- break;
- case MESA_FORMAT_SARGB8:
- format = MESA_FORMAT_ARGB8888;
- break;
- case MESA_FORMAT_SL8:
- format = MESA_FORMAT_L8;
- break;
- case MESA_FORMAT_SLA8:
- format = MESA_FORMAT_AL88;
- break;
- case MESA_FORMAT_SRGB_DXT1:
- format = MESA_FORMAT_RGB_DXT1;
- break;
- case MESA_FORMAT_SRGBA_DXT1:
- format = MESA_FORMAT_RGBA_DXT1;
- break;
- case MESA_FORMAT_SRGBA_DXT3:
- format = MESA_FORMAT_RGBA_DXT3;
- break;
- case MESA_FORMAT_SRGBA_DXT5:
- format = MESA_FORMAT_RGBA_DXT5;
- break;
- default:
- break;
- }
- return format;
-}
-
-
-/**
- * Return number of bytes needed to store an image of the given size
- * in the given format.
- */
-GLuint
-_mesa_format_image_size(gl_format format, GLsizei width,
- GLsizei height, GLsizei depth)
-{
- const struct gl_format_info *info = _mesa_get_format_info(format);
- /* Strictly speaking, a conditional isn't needed here */
- if (info->BlockWidth > 1 || info->BlockHeight > 1) {
- /* compressed format (2D only for now) */
- const GLuint bw = info->BlockWidth, bh = info->BlockHeight;
- const GLuint wblocks = (width + bw - 1) / bw;
- const GLuint hblocks = (height + bh - 1) / bh;
- const GLuint sz = wblocks * hblocks * info->BytesPerBlock;
- assert(depth == 1);
- return sz;
- }
- else {
- /* non-compressed */
- const GLuint sz = width * height * depth * info->BytesPerBlock;
- return sz;
- }
-}
-
-
-/**
- * Same as _mesa_format_image_size() but returns a 64-bit value to
- * accomodate very large textures.
- */
-uint64_t
-_mesa_format_image_size64(gl_format format, GLsizei width,
- GLsizei height, GLsizei depth)
-{
- const struct gl_format_info *info = _mesa_get_format_info(format);
- /* Strictly speaking, a conditional isn't needed here */
- if (info->BlockWidth > 1 || info->BlockHeight > 1) {
- /* compressed format (2D only for now) */
- const uint64_t bw = info->BlockWidth, bh = info->BlockHeight;
- const uint64_t wblocks = (width + bw - 1) / bw;
- const uint64_t hblocks = (height + bh - 1) / bh;
- const uint64_t sz = wblocks * hblocks * info->BytesPerBlock;
- assert(depth == 1);
- return sz;
- }
- else {
- /* non-compressed */
- const uint64_t sz = ((uint64_t) width *
- (uint64_t) height *
- (uint64_t) depth *
- info->BytesPerBlock);
- return sz;
- }
-}
-
-
-
-GLint
-_mesa_format_row_stride(gl_format format, GLsizei width)
-{
- const struct gl_format_info *info = _mesa_get_format_info(format);
- /* Strictly speaking, a conditional isn't needed here */
- if (info->BlockWidth > 1 || info->BlockHeight > 1) {
- /* compressed format */
- const GLuint bw = info->BlockWidth;
- const GLuint wblocks = (width + bw - 1) / bw;
- const GLint stride = wblocks * info->BytesPerBlock;
- return stride;
- }
- else {
- const GLint stride = width * info->BytesPerBlock;
- return stride;
- }
-}
-
-
-/**
- * Debug/test: check that all formats are handled in the
- * _mesa_format_to_type_and_comps() function. When new pixel formats
- * are added to Mesa, that function needs to be updated.
- * This is a no-op after the first call.
- */
-static void
-check_format_to_type_and_comps(void)
-{
- gl_format f;
-
- for (f = MESA_FORMAT_NONE + 1; f < MESA_FORMAT_COUNT; f++) {
- GLenum datatype = 0;
- GLuint comps = 0;
- /* This function will emit a problem/warning if the format is
- * not handled.
- */
- _mesa_format_to_type_and_comps(f, &datatype, &comps);
- }
-}
-
-
-/**
- * Do sanity checking of the format info table.
- */
-void
-_mesa_test_formats(void)
-{
- GLuint i;
-
- assert(Elements(format_info) == MESA_FORMAT_COUNT);
-
- for (i = 0; i < MESA_FORMAT_COUNT; i++) {
- const struct gl_format_info *info = _mesa_get_format_info(i);
- assert(info);
-
- assert(info->Name == i);
-
- if (info->Name == MESA_FORMAT_NONE)
- continue;
-
- if (info->BlockWidth == 1 && info->BlockHeight == 1) {
- if (info->RedBits > 0) {
- GLuint t = info->RedBits + info->GreenBits
- + info->BlueBits + info->AlphaBits;
- assert(t / 8 <= info->BytesPerBlock);
- (void) t;
- }
- }
-
- assert(info->DataType == GL_UNSIGNED_NORMALIZED ||
- info->DataType == GL_SIGNED_NORMALIZED ||
- info->DataType == GL_UNSIGNED_INT ||
- info->DataType == GL_INT ||
- info->DataType == GL_FLOAT);
-
- if (info->BaseFormat == GL_RGB) {
- assert(info->RedBits > 0);
- assert(info->GreenBits > 0);
- assert(info->BlueBits > 0);
- assert(info->AlphaBits == 0);
- assert(info->LuminanceBits == 0);
- assert(info->IntensityBits == 0);
- }
- else if (info->BaseFormat == GL_RGBA) {
- assert(info->RedBits > 0);
- assert(info->GreenBits > 0);
- assert(info->BlueBits > 0);
- assert(info->AlphaBits > 0);
- assert(info->LuminanceBits == 0);
- assert(info->IntensityBits == 0);
- }
- else if (info->BaseFormat == GL_RG) {
- assert(info->RedBits > 0);
- assert(info->GreenBits > 0);
- assert(info->BlueBits == 0);
- assert(info->AlphaBits == 0);
- assert(info->LuminanceBits == 0);
- assert(info->IntensityBits == 0);
- }
- else if (info->BaseFormat == GL_RED) {
- assert(info->RedBits > 0);
- assert(info->GreenBits == 0);
- assert(info->BlueBits == 0);
- assert(info->AlphaBits == 0);
- assert(info->LuminanceBits == 0);
- assert(info->IntensityBits == 0);
- }
- else if (info->BaseFormat == GL_LUMINANCE) {
- assert(info->RedBits == 0);
- assert(info->GreenBits == 0);
- assert(info->BlueBits == 0);
- assert(info->AlphaBits == 0);
- assert(info->LuminanceBits > 0);
- assert(info->IntensityBits == 0);
- }
- else if (info->BaseFormat == GL_INTENSITY) {
- assert(info->RedBits == 0);
- assert(info->GreenBits == 0);
- assert(info->BlueBits == 0);
- assert(info->AlphaBits == 0);
- assert(info->LuminanceBits == 0);
- assert(info->IntensityBits > 0);
- }
- }
-
- check_format_to_type_and_comps();
-}
-
-
-
-/**
- * Return datatype and number of components per texel for the given gl_format.
- * Only used for mipmap generation code.
- */
-void
-_mesa_format_to_type_and_comps(gl_format format,
- GLenum *datatype, GLuint *comps)
-{
- switch (format) {
- case MESA_FORMAT_RGBA8888:
- case MESA_FORMAT_RGBA8888_REV:
- case MESA_FORMAT_ARGB8888:
- case MESA_FORMAT_ARGB8888_REV:
- case MESA_FORMAT_XRGB8888:
- case MESA_FORMAT_XRGB8888_REV:
- *datatype = GL_UNSIGNED_BYTE;
- *comps = 4;
- return;
- case MESA_FORMAT_RGB888:
- case MESA_FORMAT_BGR888:
- *datatype = GL_UNSIGNED_BYTE;
- *comps = 3;
- return;
- case MESA_FORMAT_RGB565:
- case MESA_FORMAT_RGB565_REV:
- *datatype = GL_UNSIGNED_SHORT_5_6_5;
- *comps = 3;
- return;
-
- case MESA_FORMAT_ARGB4444:
- case MESA_FORMAT_ARGB4444_REV:
- *datatype = GL_UNSIGNED_SHORT_4_4_4_4;
- *comps = 4;
- return;
-
- case MESA_FORMAT_ARGB1555:
- case MESA_FORMAT_ARGB1555_REV:
- *datatype = GL_UNSIGNED_SHORT_1_5_5_5_REV;
- *comps = 4;
- return;
-
- case MESA_FORMAT_ARGB2101010:
- *datatype = GL_UNSIGNED_INT_2_10_10_10_REV;
- *comps = 4;
- return;
-
- case MESA_FORMAT_RGBA5551:
- *datatype = GL_UNSIGNED_SHORT_5_5_5_1;
- *comps = 4;
- return;
-
- case MESA_FORMAT_AL44:
- *datatype = MESA_UNSIGNED_BYTE_4_4;
- *comps = 2;
- return;
-
- case MESA_FORMAT_AL88:
- case MESA_FORMAT_AL88_REV:
- case MESA_FORMAT_RG88:
- case MESA_FORMAT_RG88_REV:
- *datatype = GL_UNSIGNED_BYTE;
- *comps = 2;
- return;
-
- case MESA_FORMAT_AL1616:
- case MESA_FORMAT_AL1616_REV:
- case MESA_FORMAT_RG1616:
- case MESA_FORMAT_RG1616_REV:
- *datatype = GL_UNSIGNED_SHORT;
- *comps = 2;
- return;
-
- case MESA_FORMAT_R16:
- case MESA_FORMAT_A16:
- case MESA_FORMAT_L16:
- case MESA_FORMAT_I16:
- *datatype = GL_UNSIGNED_SHORT;
- *comps = 1;
- return;
-
- case MESA_FORMAT_RGB332:
- *datatype = GL_UNSIGNED_BYTE_3_3_2;
- *comps = 3;
- return;
-
- case MESA_FORMAT_A8:
- case MESA_FORMAT_L8:
- case MESA_FORMAT_I8:
- case MESA_FORMAT_CI8:
- case MESA_FORMAT_R8:
- case MESA_FORMAT_S8:
- *datatype = GL_UNSIGNED_BYTE;
- *comps = 1;
- return;
-
- case MESA_FORMAT_YCBCR:
- case MESA_FORMAT_YCBCR_REV:
- *datatype = GL_UNSIGNED_SHORT;
- *comps = 2;
- return;
-
- case MESA_FORMAT_Z24_S8:
- *datatype = GL_UNSIGNED_INT;
- *comps = 1; /* XXX OK? */
- return;
-
- case MESA_FORMAT_S8_Z24:
- *datatype = GL_UNSIGNED_INT;
- *comps = 1; /* XXX OK? */
- return;
-
- case MESA_FORMAT_Z16:
- *datatype = GL_UNSIGNED_SHORT;
- *comps = 1;
- return;
-
- case MESA_FORMAT_X8_Z24:
- *datatype = GL_UNSIGNED_INT;
- *comps = 1;
- return;
-
- case MESA_FORMAT_Z24_X8:
- *datatype = GL_UNSIGNED_INT;
- *comps = 1;
- return;
-
- case MESA_FORMAT_Z32:
- *datatype = GL_UNSIGNED_INT;
- *comps = 1;
- return;
-
- case MESA_FORMAT_DUDV8:
- *datatype = GL_BYTE;
- *comps = 2;
- return;
-
- case MESA_FORMAT_SIGNED_R8:
- *datatype = GL_BYTE;
- *comps = 1;
- return;
- case MESA_FORMAT_SIGNED_RG88:
- *datatype = GL_BYTE;
- *comps = 2;
- return;
- case MESA_FORMAT_SIGNED_RGBA8888:
- case MESA_FORMAT_SIGNED_RGBA8888_REV:
- case MESA_FORMAT_SIGNED_RGBX8888:
- *datatype = GL_BYTE;
- *comps = 4;
- return;
-
- case MESA_FORMAT_RGBA_16:
- *datatype = GL_UNSIGNED_SHORT;
- *comps = 4;
- return;
-
- case MESA_FORMAT_SIGNED_R_16:
- *datatype = GL_SHORT;
- *comps = 1;
- return;
- case MESA_FORMAT_SIGNED_RG_16:
- *datatype = GL_SHORT;
- *comps = 2;
- return;
- case MESA_FORMAT_SIGNED_RGB_16:
- *datatype = GL_SHORT;
- *comps = 3;
- return;
- case MESA_FORMAT_SIGNED_RGBA_16:
- *datatype = GL_SHORT;
- *comps = 4;
- return;
-
-#if FEATURE_EXT_texture_sRGB
- case MESA_FORMAT_SRGB8:
- *datatype = GL_UNSIGNED_BYTE;
- *comps = 3;
- return;
- case MESA_FORMAT_SRGBA8:
- case MESA_FORMAT_SARGB8:
- *datatype = GL_UNSIGNED_BYTE;
- *comps = 4;
- return;
- case MESA_FORMAT_SL8:
- *datatype = GL_UNSIGNED_BYTE;
- *comps = 1;
- return;
- case MESA_FORMAT_SLA8:
- *datatype = GL_UNSIGNED_BYTE;
- *comps = 2;
- return;
-#endif
-
-#if FEATURE_texture_fxt1
- case MESA_FORMAT_RGB_FXT1:
- case MESA_FORMAT_RGBA_FXT1:
-#endif
-#if FEATURE_texture_s3tc
- case MESA_FORMAT_RGB_DXT1:
- case MESA_FORMAT_RGBA_DXT1:
- case MESA_FORMAT_RGBA_DXT3:
- case MESA_FORMAT_RGBA_DXT5:
-#if FEATURE_EXT_texture_sRGB
- case MESA_FORMAT_SRGB_DXT1:
- case MESA_FORMAT_SRGBA_DXT1:
- case MESA_FORMAT_SRGBA_DXT3:
- case MESA_FORMAT_SRGBA_DXT5:
-#endif
-#endif
- case MESA_FORMAT_RED_RGTC1:
- case MESA_FORMAT_SIGNED_RED_RGTC1:
- case MESA_FORMAT_RG_RGTC2:
- case MESA_FORMAT_SIGNED_RG_RGTC2:
- case MESA_FORMAT_L_LATC1:
- case MESA_FORMAT_SIGNED_L_LATC1:
- case MESA_FORMAT_LA_LATC2:
- case MESA_FORMAT_SIGNED_LA_LATC2:
- /* XXX generate error instead? */
- *datatype = GL_UNSIGNED_BYTE;
- *comps = 0;
- return;
-
- case MESA_FORMAT_RGBA_FLOAT32:
- *datatype = GL_FLOAT;
- *comps = 4;
- return;
- case MESA_FORMAT_RGBA_FLOAT16:
- *datatype = GL_HALF_FLOAT_ARB;
- *comps = 4;
- return;
- case MESA_FORMAT_RGB_FLOAT32:
- *datatype = GL_FLOAT;
- *comps = 3;
- return;
- case MESA_FORMAT_RGB_FLOAT16:
- *datatype = GL_HALF_FLOAT_ARB;
- *comps = 3;
- return;
- case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32:
- *datatype = GL_FLOAT;
- *comps = 2;
- return;
- case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16:
- *datatype = GL_HALF_FLOAT_ARB;
- *comps = 2;
- return;
- case MESA_FORMAT_ALPHA_FLOAT32:
- case MESA_FORMAT_LUMINANCE_FLOAT32:
- case MESA_FORMAT_INTENSITY_FLOAT32:
- *datatype = GL_FLOAT;
- *comps = 1;
- return;
- case MESA_FORMAT_ALPHA_FLOAT16:
- case MESA_FORMAT_LUMINANCE_FLOAT16:
- case MESA_FORMAT_INTENSITY_FLOAT16:
- *datatype = GL_HALF_FLOAT_ARB;
- *comps = 1;
- return;
-
- case MESA_FORMAT_RGBA_INT8:
- *datatype = GL_BYTE;
- *comps = 4;
- return;
- case MESA_FORMAT_RGBA_INT16:
- *datatype = GL_SHORT;
- *comps = 4;
- return;
- case MESA_FORMAT_RGBA_INT32:
- *datatype = GL_INT;
- *comps = 4;
- return;
-
- /**
- * \name Non-normalized unsigned integer formats.
- */
- case MESA_FORMAT_RGBA_UINT8:
- *datatype = GL_UNSIGNED_BYTE;
- *comps = 4;
- return;
- case MESA_FORMAT_RGBA_UINT16:
- *datatype = GL_UNSIGNED_SHORT;
- *comps = 4;
- return;
- case MESA_FORMAT_RGBA_UINT32:
- *datatype = GL_UNSIGNED_INT;
- *comps = 4;
- return;
-
- case MESA_FORMAT_COUNT:
- assert(0);
- return;
-
- case MESA_FORMAT_NONE:
- /* For debug builds, warn if any formats are not handled */
-#ifdef DEBUG
- default:
-#endif
- _mesa_problem(NULL, "bad format %s in _mesa_format_to_type_and_comps",
- _mesa_get_format_name(format));
- *datatype = 0;
- *comps = 1;
- }
-}
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.7
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (c) 2008-2009 VMware, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#include "imports.h"
+#include "formats.h"
+#include "mfeatures.h"
+
+
+/**
+ * Information about texture formats.
+ */
+struct gl_format_info
+{
+ gl_format Name;
+
+ /** text name for debugging */
+ const char *StrName;
+
+ /**
+ * Base format is one of GL_RED, GL_RG, GL_RGB, GL_RGBA, GL_ALPHA,
+ * GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_INTENSITY, GL_YCBCR_MESA,
+ * GL_COLOR_INDEX, GL_DEPTH_COMPONENT, GL_STENCIL_INDEX,
+ * GL_DEPTH_STENCIL, GL_DUDV_ATI.
+ */
+ GLenum BaseFormat;
+
+ /**
+ * Logical data type: one of GL_UNSIGNED_NORMALIZED, GL_SIGNED_NORMALED,
+ * GL_UNSIGNED_INT, GL_INT, GL_FLOAT.
+ */
+ GLenum DataType;
+
+ GLubyte RedBits;
+ GLubyte GreenBits;
+ GLubyte BlueBits;
+ GLubyte AlphaBits;
+ GLubyte LuminanceBits;
+ GLubyte IntensityBits;
+ GLubyte IndexBits;
+ GLubyte DepthBits;
+ GLubyte StencilBits;
+
+ /**
+ * To describe compressed formats. If not compressed, Width=Height=1.
+ */
+ GLubyte BlockWidth, BlockHeight;
+ GLubyte BytesPerBlock;
+};
+
+
+/**
+ * Info about each format.
+ * These must be in the same order as the MESA_FORMAT_* enums so that
+ * we can do lookups without searching.
+ */
+static struct gl_format_info format_info[MESA_FORMAT_COUNT] =
+{
+ {
+ MESA_FORMAT_NONE, /* Name */
+ "MESA_FORMAT_NONE", /* StrName */
+ GL_NONE, /* BaseFormat */
+ GL_NONE, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 0, 0, 0 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_RGBA8888, /* Name */
+ "MESA_FORMAT_RGBA8888", /* StrName */
+ GL_RGBA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 8, 8, 8, 8, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 4 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_RGBA8888_REV, /* Name */
+ "MESA_FORMAT_RGBA8888_REV", /* StrName */
+ GL_RGBA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 8, 8, 8, 8, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 4 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_ARGB8888, /* Name */
+ "MESA_FORMAT_ARGB8888", /* StrName */
+ GL_RGBA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 8, 8, 8, 8, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 4 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_ARGB8888_REV, /* Name */
+ "MESA_FORMAT_ARGB8888_REV", /* StrName */
+ GL_RGBA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 8, 8, 8, 8, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 4 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_XRGB8888, /* Name */
+ "MESA_FORMAT_XRGB8888", /* StrName */
+ GL_RGB, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 4 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_XRGB8888_REV, /* Name */
+ "MESA_FORMAT_XRGB8888_REV", /* StrName */
+ GL_RGB, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 4 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_RGB888, /* Name */
+ "MESA_FORMAT_RGB888", /* StrName */
+ GL_RGB, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 3 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_BGR888, /* Name */
+ "MESA_FORMAT_BGR888", /* StrName */
+ GL_RGB, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 8, 8, 8, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 3 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_RGB565, /* Name */
+ "MESA_FORMAT_RGB565", /* StrName */
+ GL_RGB, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 5, 6, 5, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 2 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_RGB565_REV, /* Name */
+ "MESA_FORMAT_RGB565_REV", /* StrName */
+ GL_RGB, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 5, 6, 5, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 2 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_ARGB4444, /* Name */
+ "MESA_FORMAT_ARGB4444", /* StrName */
+ GL_RGBA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 4, 4, 4, 4, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 2 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_ARGB4444_REV, /* Name */
+ "MESA_FORMAT_ARGB4444_REV", /* StrName */
+ GL_RGBA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 4, 4, 4, 4, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 2 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_RGBA5551, /* Name */
+ "MESA_FORMAT_RGBA5551", /* StrName */
+ GL_RGBA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 5, 5, 5, 1, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 2 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_ARGB1555, /* Name */
+ "MESA_FORMAT_ARGB1555", /* StrName */
+ GL_RGBA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 5, 5, 5, 1, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 2 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_ARGB1555_REV, /* Name */
+ "MESA_FORMAT_ARGB1555_REV", /* StrName */
+ GL_RGBA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 5, 5, 5, 1, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 2 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_AL44, /* Name */
+ "MESA_FORMAT_AL44", /* StrName */
+ GL_LUMINANCE_ALPHA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 0, 0, 0, 4, /* Red/Green/Blue/AlphaBits */
+ 4, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 1 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_AL88, /* Name */
+ "MESA_FORMAT_AL88", /* StrName */
+ GL_LUMINANCE_ALPHA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 0, 0, 0, 8, /* Red/Green/Blue/AlphaBits */
+ 8, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 2 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_AL88_REV, /* Name */
+ "MESA_FORMAT_AL88_REV", /* StrName */
+ GL_LUMINANCE_ALPHA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 0, 0, 0, 8, /* Red/Green/Blue/AlphaBits */
+ 8, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 2 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_AL1616, /* Name */
+ "MESA_FORMAT_AL1616", /* StrName */
+ GL_LUMINANCE_ALPHA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 0, 0, 0, 16, /* Red/Green/Blue/AlphaBits */
+ 16, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 4 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_AL1616_REV, /* Name */
+ "MESA_FORMAT_AL1616_REV", /* StrName */
+ GL_LUMINANCE_ALPHA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 0, 0, 0, 16, /* Red/Green/Blue/AlphaBits */
+ 16, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 4 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_RGB332, /* Name */
+ "MESA_FORMAT_RGB332", /* StrName */
+ GL_RGB, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 3, 3, 2, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 1 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_A8, /* Name */
+ "MESA_FORMAT_A8", /* StrName */
+ GL_ALPHA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 0, 0, 0, 8, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 1 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_A16, /* Name */
+ "MESA_FORMAT_A16", /* StrName */
+ GL_ALPHA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 0, 0, 0, 16, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 2 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_L8, /* Name */
+ "MESA_FORMAT_L8", /* StrName */
+ GL_LUMINANCE, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 8, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 1 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_L16, /* Name */
+ "MESA_FORMAT_L16", /* StrName */
+ GL_LUMINANCE, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 16, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 2 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_I8, /* Name */
+ "MESA_FORMAT_I8", /* StrName */
+ GL_INTENSITY, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 8, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 1 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_I16, /* Name */
+ "MESA_FORMAT_I16", /* StrName */
+ GL_INTENSITY, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 16, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 2 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_CI8, /* Name */
+ "MESA_FORMAT_CI8", /* StrName */
+ GL_COLOR_INDEX, /* BaseFormat */
+ GL_UNSIGNED_INT, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 8, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 1 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_YCBCR, /* Name */
+ "MESA_FORMAT_YCBCR", /* StrName */
+ GL_YCBCR_MESA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 2 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_YCBCR_REV, /* Name */
+ "MESA_FORMAT_YCBCR_REV", /* StrName */
+ GL_YCBCR_MESA, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 2 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_R8,
+ "MESA_FORMAT_R8",
+ GL_RED,
+ GL_UNSIGNED_NORMALIZED,
+ 8, 0, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 1
+ },
+ {
+ MESA_FORMAT_RG88,
+ "MESA_FORMAT_RG88",
+ GL_RG,
+ GL_UNSIGNED_NORMALIZED,
+ 8, 8, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 2
+ },
+ {
+ MESA_FORMAT_RG88_REV,
+ "MESA_FORMAT_RG88_REV",
+ GL_RG,
+ GL_UNSIGNED_NORMALIZED,
+ 8, 8, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 2
+ },
+ {
+ MESA_FORMAT_R16,
+ "MESA_FORMAT_R16",
+ GL_RED,
+ GL_UNSIGNED_NORMALIZED,
+ 16, 0, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 2
+ },
+ {
+ MESA_FORMAT_RG1616,
+ "MESA_FORMAT_RG1616",
+ GL_RG,
+ GL_UNSIGNED_NORMALIZED,
+ 16, 16, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_RG1616_REV,
+ "MESA_FORMAT_RG1616_REV",
+ GL_RG,
+ GL_UNSIGNED_NORMALIZED,
+ 16, 16, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_ARGB2101010,
+ "MESA_FORMAT_ARGB2101010",
+ GL_RGBA,
+ GL_UNSIGNED_NORMALIZED,
+ 10, 10, 10, 2,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_Z24_S8, /* Name */
+ "MESA_FORMAT_Z24_S8", /* StrName */
+ GL_DEPTH_STENCIL, /* BaseFormat */
+ GL_UNSIGNED_INT, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 24, 8, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 4 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_S8_Z24, /* Name */
+ "MESA_FORMAT_S8_Z24", /* StrName */
+ GL_DEPTH_STENCIL, /* BaseFormat */
+ GL_UNSIGNED_INT, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 24, 8, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 4 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_Z16, /* Name */
+ "MESA_FORMAT_Z16", /* StrName */
+ GL_DEPTH_COMPONENT, /* BaseFormat */
+ GL_UNSIGNED_INT, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 16, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 2 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_X8_Z24, /* Name */
+ "MESA_FORMAT_X8_Z24", /* StrName */
+ GL_DEPTH_COMPONENT, /* BaseFormat */
+ GL_UNSIGNED_INT, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 24, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 4 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_Z24_X8, /* Name */
+ "MESA_FORMAT_Z24_X8", /* StrName */
+ GL_DEPTH_COMPONENT, /* BaseFormat */
+ GL_UNSIGNED_INT, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 24, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 4 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_Z32, /* Name */
+ "MESA_FORMAT_Z32", /* StrName */
+ GL_DEPTH_COMPONENT, /* BaseFormat */
+ GL_UNSIGNED_INT, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 32, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 4 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_S8, /* Name */
+ "MESA_FORMAT_S8", /* StrName */
+ GL_STENCIL_INDEX, /* BaseFormat */
+ GL_UNSIGNED_INT, /* DataType */
+ 0, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 8, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 1 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_SRGB8,
+ "MESA_FORMAT_SRGB8",
+ GL_RGB,
+ GL_UNSIGNED_NORMALIZED,
+ 8, 8, 8, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 3
+ },
+ {
+ MESA_FORMAT_SRGBA8,
+ "MESA_FORMAT_SRGBA8",
+ GL_RGBA,
+ GL_UNSIGNED_NORMALIZED,
+ 8, 8, 8, 8,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_SARGB8,
+ "MESA_FORMAT_SARGB8",
+ GL_RGBA,
+ GL_UNSIGNED_NORMALIZED,
+ 8, 8, 8, 8,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_SL8,
+ "MESA_FORMAT_SL8",
+ GL_LUMINANCE,
+ GL_UNSIGNED_NORMALIZED,
+ 0, 0, 0, 0,
+ 8, 0, 0, 0, 0,
+ 1, 1, 1
+ },
+ {
+ MESA_FORMAT_SLA8,
+ "MESA_FORMAT_SLA8",
+ GL_LUMINANCE_ALPHA,
+ GL_UNSIGNED_NORMALIZED,
+ 0, 0, 0, 8,
+ 8, 0, 0, 0, 0,
+ 1, 1, 2
+ },
+ {
+ MESA_FORMAT_SRGB_DXT1, /* Name */
+ "MESA_FORMAT_SRGB_DXT1", /* StrName */
+ GL_RGB, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 4, 4, 4, 0, /* approx Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 4, 4, 8 /* 8 bytes per 4x4 block */
+ },
+ {
+ MESA_FORMAT_SRGBA_DXT1,
+ "MESA_FORMAT_SRGBA_DXT1",
+ GL_RGBA,
+ GL_UNSIGNED_NORMALIZED,
+ 4, 4, 4, 4,
+ 0, 0, 0, 0, 0,
+ 4, 4, 8 /* 8 bytes per 4x4 block */
+ },
+ {
+ MESA_FORMAT_SRGBA_DXT3,
+ "MESA_FORMAT_SRGBA_DXT3",
+ GL_RGBA,
+ GL_UNSIGNED_NORMALIZED,
+ 4, 4, 4, 4,
+ 0, 0, 0, 0, 0,
+ 4, 4, 16 /* 16 bytes per 4x4 block */
+ },
+ {
+ MESA_FORMAT_SRGBA_DXT5,
+ "MESA_FORMAT_SRGBA_DXT5",
+ GL_RGBA,
+ GL_UNSIGNED_NORMALIZED,
+ 4, 4, 4, 4,
+ 0, 0, 0, 0, 0,
+ 4, 4, 16 /* 16 bytes per 4x4 block */
+ },
+
+ {
+ MESA_FORMAT_RGB_FXT1,
+ "MESA_FORMAT_RGB_FXT1",
+ GL_RGB,
+ GL_UNSIGNED_NORMALIZED,
+ 4, 4, 4, 0, /* approx Red/Green/BlueBits */
+ 0, 0, 0, 0, 0,
+ 8, 4, 16 /* 16 bytes per 8x4 block */
+ },
+ {
+ MESA_FORMAT_RGBA_FXT1,
+ "MESA_FORMAT_RGBA_FXT1",
+ GL_RGBA,
+ GL_UNSIGNED_NORMALIZED,
+ 4, 4, 4, 1, /* approx Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0,
+ 8, 4, 16 /* 16 bytes per 8x4 block */
+ },
+
+ {
+ MESA_FORMAT_RGB_DXT1, /* Name */
+ "MESA_FORMAT_RGB_DXT1", /* StrName */
+ GL_RGB, /* BaseFormat */
+ GL_UNSIGNED_NORMALIZED, /* DataType */
+ 4, 4, 4, 0, /* approx Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 4, 4, 8 /* 8 bytes per 4x4 block */
+ },
+ {
+ MESA_FORMAT_RGBA_DXT1,
+ "MESA_FORMAT_RGBA_DXT1",
+ GL_RGBA,
+ GL_UNSIGNED_NORMALIZED,
+ 4, 4, 4, 4,
+ 0, 0, 0, 0, 0,
+ 4, 4, 8 /* 8 bytes per 4x4 block */
+ },
+ {
+ MESA_FORMAT_RGBA_DXT3,
+ "MESA_FORMAT_RGBA_DXT3",
+ GL_RGBA,
+ GL_UNSIGNED_NORMALIZED,
+ 4, 4, 4, 4,
+ 0, 0, 0, 0, 0,
+ 4, 4, 16 /* 16 bytes per 4x4 block */
+ },
+ {
+ MESA_FORMAT_RGBA_DXT5,
+ "MESA_FORMAT_RGBA_DXT5",
+ GL_RGBA,
+ GL_UNSIGNED_NORMALIZED,
+ 4, 4, 4, 4,
+ 0, 0, 0, 0, 0,
+ 4, 4, 16 /* 16 bytes per 4x4 block */
+ },
+ {
+ MESA_FORMAT_RGBA_FLOAT32,
+ "MESA_FORMAT_RGBA_FLOAT32",
+ GL_RGBA,
+ GL_FLOAT,
+ 32, 32, 32, 32,
+ 0, 0, 0, 0, 0,
+ 1, 1, 16
+ },
+ {
+ MESA_FORMAT_RGBA_FLOAT16,
+ "MESA_FORMAT_RGBA_FLOAT16",
+ GL_RGBA,
+ GL_FLOAT,
+ 16, 16, 16, 16,
+ 0, 0, 0, 0, 0,
+ 1, 1, 8
+ },
+ {
+ MESA_FORMAT_RGB_FLOAT32,
+ "MESA_FORMAT_RGB_FLOAT32",
+ GL_RGB,
+ GL_FLOAT,
+ 32, 32, 32, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 12
+ },
+ {
+ MESA_FORMAT_RGB_FLOAT16,
+ "MESA_FORMAT_RGB_FLOAT16",
+ GL_RGB,
+ GL_FLOAT,
+ 16, 16, 16, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 6
+ },
+ {
+ MESA_FORMAT_ALPHA_FLOAT32,
+ "MESA_FORMAT_ALPHA_FLOAT32",
+ GL_ALPHA,
+ GL_FLOAT,
+ 0, 0, 0, 32,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_ALPHA_FLOAT16,
+ "MESA_FORMAT_ALPHA_FLOAT16",
+ GL_ALPHA,
+ GL_FLOAT,
+ 0, 0, 0, 16,
+ 0, 0, 0, 0, 0,
+ 1, 1, 2
+ },
+ {
+ MESA_FORMAT_LUMINANCE_FLOAT32,
+ "MESA_FORMAT_LUMINANCE_FLOAT32",
+ GL_ALPHA,
+ GL_FLOAT,
+ 0, 0, 0, 0,
+ 32, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_LUMINANCE_FLOAT16,
+ "MESA_FORMAT_LUMINANCE_FLOAT16",
+ GL_ALPHA,
+ GL_FLOAT,
+ 0, 0, 0, 0,
+ 16, 0, 0, 0, 0,
+ 1, 1, 2
+ },
+ {
+ MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32,
+ "MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32",
+ GL_LUMINANCE_ALPHA,
+ GL_FLOAT,
+ 0, 0, 0, 32,
+ 32, 0, 0, 0, 0,
+ 1, 1, 8
+ },
+ {
+ MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16,
+ "MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16",
+ GL_LUMINANCE_ALPHA,
+ GL_FLOAT,
+ 0, 0, 0, 16,
+ 16, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_INTENSITY_FLOAT32,
+ "MESA_FORMAT_INTENSITY_FLOAT32",
+ GL_INTENSITY,
+ GL_FLOAT,
+ 0, 0, 0, 0,
+ 0, 32, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_INTENSITY_FLOAT16,
+ "MESA_FORMAT_INTENSITY_FLOAT16",
+ GL_INTENSITY,
+ GL_FLOAT,
+ 0, 0, 0, 0,
+ 0, 16, 0, 0, 0,
+ 1, 1, 2
+ },
+
+ /* unnormalized signed int formats */
+ {
+ MESA_FORMAT_RGBA_INT8,
+ "MESA_FORMAT_RGBA_INT8",
+ GL_RGBA,
+ GL_INT,
+ 8, 8, 8, 8,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_RGBA_INT16,
+ "MESA_FORMAT_RGBA_INT16",
+ GL_RGBA,
+ GL_INT,
+ 16, 16, 16, 16,
+ 0, 0, 0, 0, 0,
+ 1, 1, 8
+ },
+ {
+ MESA_FORMAT_RGBA_INT32,
+ "MESA_FORMAT_RGBA_INT32",
+ GL_RGBA,
+ GL_INT,
+ 32, 32, 32, 32,
+ 0, 0, 0, 0, 0,
+ 1, 1, 16
+ },
+
+ /* unnormalized unsigned int formats */
+ {
+ MESA_FORMAT_RGBA_UINT8,
+ "MESA_FORMAT_RGBA_UINT8",
+ GL_RGBA,
+ GL_UNSIGNED_INT,
+ 8, 8, 8, 8,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_RGBA_UINT16,
+ "MESA_FORMAT_RGBA_UINT16",
+ GL_RGBA,
+ GL_UNSIGNED_INT,
+ 16, 16, 16, 16,
+ 0, 0, 0, 0, 0,
+ 1, 1, 8
+ },
+ {
+ MESA_FORMAT_RGBA_UINT32,
+ "MESA_FORMAT_RGBA_UINT32",
+ GL_RGBA,
+ GL_UNSIGNED_INT,
+ 32, 32, 32, 32,
+ 0, 0, 0, 0, 0,
+ 1, 1, 16
+ },
+
+
+ {
+ MESA_FORMAT_DUDV8,
+ "MESA_FORMAT_DUDV8",
+ GL_DUDV_ATI,
+ GL_SIGNED_NORMALIZED,
+ 0, 0, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 2
+ },
+
+ /* Signed 8 bits / channel */
+ {
+ MESA_FORMAT_SIGNED_R8, /* Name */
+ "MESA_FORMAT_SIGNED_R8", /* StrName */
+ GL_RED, /* BaseFormat */
+ GL_SIGNED_NORMALIZED, /* DataType */
+ 8, 0, 0, 0, /* Red/Green/Blue/AlphaBits */
+ 0, 0, 0, 0, 0, /* Lum/Int/Index/Depth/StencilBits */
+ 1, 1, 1 /* BlockWidth/Height,Bytes */
+ },
+ {
+ MESA_FORMAT_SIGNED_RG88,
+ "MESA_FORMAT_SIGNED_RG88",
+ GL_RG,
+ GL_SIGNED_NORMALIZED,
+ 8, 8, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 2
+ },
+ {
+ MESA_FORMAT_SIGNED_RGBX8888,
+ "MESA_FORMAT_SIGNED_RGBX8888",
+ GL_RGB,
+ GL_SIGNED_NORMALIZED,
+ 8, 8, 8, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4 /* 4 bpp, but no alpha */
+ },
+ {
+ MESA_FORMAT_SIGNED_RGBA8888,
+ "MESA_FORMAT_SIGNED_RGBA8888",
+ GL_RGBA,
+ GL_SIGNED_NORMALIZED,
+ 8, 8, 8, 8,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_SIGNED_RGBA8888_REV,
+ "MESA_FORMAT_SIGNED_RGBA8888_REV",
+ GL_RGBA,
+ GL_SIGNED_NORMALIZED,
+ 8, 8, 8, 8,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+
+ /* Signed 16 bits / channel */
+ {
+ MESA_FORMAT_SIGNED_R_16,
+ "MESA_FORMAT_SIGNED_R_16",
+ GL_RED,
+ GL_SIGNED_NORMALIZED,
+ 16, 0, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 2
+ },
+ {
+ MESA_FORMAT_SIGNED_RG_16,
+ "MESA_FORMAT_SIGNED_RG_16",
+ GL_RG,
+ GL_SIGNED_NORMALIZED,
+ 16, 16, 0, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 4
+ },
+ {
+ MESA_FORMAT_SIGNED_RGB_16,
+ "MESA_FORMAT_SIGNED_RGB_16",
+ GL_RGB,
+ GL_SIGNED_NORMALIZED,
+ 16, 16, 16, 0,
+ 0, 0, 0, 0, 0,
+ 1, 1, 6
+ },
+ {
+ MESA_FORMAT_SIGNED_RGBA_16,
+ "MESA_FORMAT_SIGNED_RGBA_16",
+ GL_RGBA,
+ GL_SIGNED_NORMALIZED,
+ 16, 16, 16, 16,
+ 0, 0, 0, 0, 0,
+ 1, 1, 8
+ },
+ {
+ MESA_FORMAT_RGBA_16,
+ "MESA_FORMAT_RGBA_16",
+ GL_RGBA,
+ GL_UNSIGNED_NORMALIZED,
+ 16, 16, 16, 16,
+ 0, 0, 0, 0, 0,
+ 1, 1, 8
+ },
+ {
+ MESA_FORMAT_RED_RGTC1,
+ "MESA_FORMAT_RED_RGTC1",
+ GL_RED,
+ GL_UNSIGNED_NORMALIZED,
+ 4, 0, 0, 0,
+ 0, 0, 0, 0, 0,
+ 4, 4, 8 /* 8 bytes per 4x4 block */
+ },
+ {
+ MESA_FORMAT_SIGNED_RED_RGTC1,
+ "MESA_FORMAT_SIGNED_RED_RGTC1",
+ GL_RED,
+ GL_SIGNED_NORMALIZED,
+ 4, 0, 0, 0,
+ 0, 0, 0, 0, 0,
+ 4, 4, 8 /* 8 bytes per 4x4 block */
+ },
+ {
+ MESA_FORMAT_RG_RGTC2,
+ "MESA_FORMAT_RG_RGTC2",
+ GL_RG,
+ GL_UNSIGNED_NORMALIZED,
+ 4, 4, 0, 0,
+ 0, 0, 0, 0, 0,
+ 4, 4, 16 /* 16 bytes per 4x4 block */
+ },
+ {
+ MESA_FORMAT_SIGNED_RG_RGTC2,
+ "MESA_FORMAT_SIGNED_RG_RGTC2",
+ GL_RG,
+ GL_SIGNED_NORMALIZED,
+ 4, 4, 0, 0,
+ 0, 0, 0, 0, 0,
+ 4, 4, 16 /* 16 bytes per 4x4 block */
+ },
+ {
+ MESA_FORMAT_L_LATC1,
+ "MESA_FORMAT_L_LATC1",
+ GL_LUMINANCE,
+ GL_UNSIGNED_NORMALIZED,
+ 0, 0, 0, 0,
+ 4, 0, 0, 0, 0,
+ 4, 4, 8 /* 8 bytes per 4x4 block */
+ },
+ {
+ MESA_FORMAT_SIGNED_L_LATC1,
+ "MESA_FORMAT_SIGNED_L_LATC1",
+ GL_LUMINANCE,
+ GL_SIGNED_NORMALIZED,
+ 0, 0, 0, 0,
+ 4, 0, 0, 0, 0,
+ 4, 4, 8 /* 8 bytes per 4x4 block */
+ },
+ {
+ MESA_FORMAT_LA_LATC2,
+ "MESA_FORMAT_LA_LATC2",
+ GL_LUMINANCE_ALPHA,
+ GL_UNSIGNED_NORMALIZED,
+ 0, 0, 0, 4,
+ 4, 0, 0, 0, 0,
+ 4, 4, 16 /* 16 bytes per 4x4 block */
+ },
+ {
+ MESA_FORMAT_SIGNED_LA_LATC2,
+ "MESA_FORMAT_SIGNED_LA_LATC2",
+ GL_LUMINANCE_ALPHA,
+ GL_SIGNED_NORMALIZED,
+ 0, 0, 0, 4,
+ 4, 0, 0, 0, 0,
+ 4, 4, 16 /* 16 bytes per 4x4 block */
+ },
+};
+
+
+
+static const struct gl_format_info *
+_mesa_get_format_info(gl_format format)
+{
+ const struct gl_format_info *info = &format_info[format];
+ assert(info->Name == format);
+ return info;
+}
+
+
+/** Return string name of format (for debugging) */
+const char *
+_mesa_get_format_name(gl_format format)
+{
+ const struct gl_format_info *info = _mesa_get_format_info(format);
+ return info->StrName;
+}
+
+
+
+/**
+ * Return bytes needed to store a block of pixels in the given format.
+ * Normally, a block is 1x1 (a single pixel). But for compressed formats
+ * a block may be 4x4 or 8x4, etc.
+ */
+GLuint
+_mesa_get_format_bytes(gl_format format)
+{
+ const struct gl_format_info *info = _mesa_get_format_info(format);
+ ASSERT(info->BytesPerBlock);
+ return info->BytesPerBlock;
+}
+
+
+/**
+ * Return bits per component for the given format.
+ * \param format one of MESA_FORMAT_x
+ * \param pname the component, such as GL_RED_BITS, GL_TEXTURE_BLUE_BITS, etc.
+ */
+GLint
+_mesa_get_format_bits(gl_format format, GLenum pname)
+{
+ const struct gl_format_info *info = _mesa_get_format_info(format);
+
+ switch (pname) {
+ case GL_RED_BITS:
+ case GL_TEXTURE_RED_SIZE:
+ case GL_RENDERBUFFER_RED_SIZE_EXT:
+ case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:
+ return info->RedBits;
+ case GL_GREEN_BITS:
+ case GL_TEXTURE_GREEN_SIZE:
+ case GL_RENDERBUFFER_GREEN_SIZE_EXT:
+ case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:
+ return info->GreenBits;
+ case GL_BLUE_BITS:
+ case GL_TEXTURE_BLUE_SIZE:
+ case GL_RENDERBUFFER_BLUE_SIZE_EXT:
+ case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:
+ return info->BlueBits;
+ case GL_ALPHA_BITS:
+ case GL_TEXTURE_ALPHA_SIZE:
+ case GL_RENDERBUFFER_ALPHA_SIZE_EXT:
+ case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
+ return info->AlphaBits;
+ case GL_TEXTURE_INTENSITY_SIZE:
+ return info->IntensityBits;
+ case GL_TEXTURE_LUMINANCE_SIZE:
+ return info->LuminanceBits;
+ case GL_INDEX_BITS:
+ case GL_TEXTURE_INDEX_SIZE_EXT:
+ return info->IndexBits;
+ case GL_DEPTH_BITS:
+ case GL_TEXTURE_DEPTH_SIZE_ARB:
+ case GL_RENDERBUFFER_DEPTH_SIZE_EXT:
+ case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
+ return info->DepthBits;
+ case GL_STENCIL_BITS:
+ case GL_TEXTURE_STENCIL_SIZE_EXT:
+ case GL_RENDERBUFFER_STENCIL_SIZE_EXT:
+ case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:
+ return info->StencilBits;
+ default:
+ _mesa_problem(NULL, "bad pname in _mesa_get_format_bits()");
+ return 0;
+ }
+}
+
+
+/**
+ * Return the data type (or more specifically, the data representation)
+ * for the given format.
+ * The return value will be one of:
+ * GL_UNSIGNED_NORMALIZED = unsigned int representing [0,1]
+ * GL_SIGNED_NORMALIZED = signed int representing [-1, 1]
+ * GL_UNSIGNED_INT = an ordinary unsigned integer
+ * GL_INT = an ordinary signed integer
+ * GL_FLOAT = an ordinary float
+ */
+GLenum
+_mesa_get_format_datatype(gl_format format)
+{
+ const struct gl_format_info *info = _mesa_get_format_info(format);
+ return info->DataType;
+}
+
+
+/**
+ * Return the basic format for the given type. The result will be
+ * one of GL_RGB, GL_RGBA, GL_ALPHA, GL_LUMINANCE, GL_LUMINANCE_ALPHA,
+ * GL_INTENSITY, GL_YCBCR_MESA, GL_COLOR_INDEX, GL_DEPTH_COMPONENT,
+ * GL_STENCIL_INDEX, GL_DEPTH_STENCIL.
+ */
+GLenum
+_mesa_get_format_base_format(gl_format format)
+{
+ const struct gl_format_info *info = _mesa_get_format_info(format);
+ return info->BaseFormat;
+}
+
+
+/**
+ * Return the block size (in pixels) for the given format. Normally
+ * the block size is 1x1. But compressed formats will have block sizes
+ * of 4x4 or 8x4 pixels, etc.
+ * \param bw returns block width in pixels
+ * \param bh returns block height in pixels
+ */
+void
+_mesa_get_format_block_size(gl_format format, GLuint *bw, GLuint *bh)
+{
+ const struct gl_format_info *info = _mesa_get_format_info(format);
+ *bw = info->BlockWidth;
+ *bh = info->BlockHeight;
+}
+
+
+/** Is the given format a compressed format? */
+GLboolean
+_mesa_is_format_compressed(gl_format format)
+{
+ const struct gl_format_info *info = _mesa_get_format_info(format);
+ return info->BlockWidth > 1 || info->BlockHeight > 1;
+}
+
+
+/**
+ * Determine if the given format represents a packed depth/stencil buffer.
+ */
+GLboolean
+_mesa_is_format_packed_depth_stencil(gl_format format)
+{
+ const struct gl_format_info *info = _mesa_get_format_info(format);
+
+ return info->BaseFormat == GL_DEPTH_STENCIL;
+}
+
+
+/**
+ * Is the given format a signed/unsigned integer color format?
+ */
+GLboolean
+_mesa_is_format_integer_color(gl_format format)
+{
+ const struct gl_format_info *info = _mesa_get_format_info(format);
+ return (info->DataType == GL_INT || info->DataType == GL_UNSIGNED_INT) &&
+ info->BaseFormat != GL_DEPTH_COMPONENT &&
+ info->BaseFormat != GL_DEPTH_STENCIL &&
+ info->BaseFormat != GL_STENCIL_INDEX;
+}
+
+
+/**
+ * Return color encoding for given format.
+ * \return GL_LINEAR or GL_SRGB
+ */
+GLenum
+_mesa_get_format_color_encoding(gl_format format)
+{
+ /* XXX this info should be encoded in gl_format_info */
+ switch (format) {
+ case MESA_FORMAT_SRGB8:
+ case MESA_FORMAT_SRGBA8:
+ case MESA_FORMAT_SARGB8:
+ case MESA_FORMAT_SL8:
+ case MESA_FORMAT_SLA8:
+ case MESA_FORMAT_SRGB_DXT1:
+ case MESA_FORMAT_SRGBA_DXT1:
+ case MESA_FORMAT_SRGBA_DXT3:
+ case MESA_FORMAT_SRGBA_DXT5:
+ return GL_SRGB;
+ default:
+ return GL_LINEAR;
+ }
+}
+
+
+/**
+ * For an sRGB format, return the corresponding linear color space format.
+ * For non-sRGB formats, return the format as-is.
+ */
+gl_format
+_mesa_get_srgb_format_linear(gl_format format)
+{
+ switch (format) {
+ case MESA_FORMAT_SRGB8:
+ format = MESA_FORMAT_RGB888;
+ break;
+ case MESA_FORMAT_SRGBA8:
+ format = MESA_FORMAT_RGBA8888;
+ break;
+ case MESA_FORMAT_SARGB8:
+ format = MESA_FORMAT_ARGB8888;
+ break;
+ case MESA_FORMAT_SL8:
+ format = MESA_FORMAT_L8;
+ break;
+ case MESA_FORMAT_SLA8:
+ format = MESA_FORMAT_AL88;
+ break;
+ case MESA_FORMAT_SRGB_DXT1:
+ format = MESA_FORMAT_RGB_DXT1;
+ break;
+ case MESA_FORMAT_SRGBA_DXT1:
+ format = MESA_FORMAT_RGBA_DXT1;
+ break;
+ case MESA_FORMAT_SRGBA_DXT3:
+ format = MESA_FORMAT_RGBA_DXT3;
+ break;
+ case MESA_FORMAT_SRGBA_DXT5:
+ format = MESA_FORMAT_RGBA_DXT5;
+ break;
+ default:
+ break;
+ }
+ return format;
+}
+
+
+/**
+ * Return number of bytes needed to store an image of the given size
+ * in the given format.
+ */
+GLuint
+_mesa_format_image_size(gl_format format, GLsizei width,
+ GLsizei height, GLsizei depth)
+{
+ const struct gl_format_info *info = _mesa_get_format_info(format);
+ /* Strictly speaking, a conditional isn't needed here */
+ if (info->BlockWidth > 1 || info->BlockHeight > 1) {
+ /* compressed format (2D only for now) */
+ const GLuint bw = info->BlockWidth, bh = info->BlockHeight;
+ const GLuint wblocks = (width + bw - 1) / bw;
+ const GLuint hblocks = (height + bh - 1) / bh;
+ const GLuint sz = wblocks * hblocks * info->BytesPerBlock;
+ assert(depth == 1);
+ return sz;
+ }
+ else {
+ /* non-compressed */
+ const GLuint sz = width * height * depth * info->BytesPerBlock;
+ return sz;
+ }
+}
+
+
+/**
+ * Same as _mesa_format_image_size() but returns a 64-bit value to
+ * accomodate very large textures.
+ */
+uint64_t
+_mesa_format_image_size64(gl_format format, GLsizei width,
+ GLsizei height, GLsizei depth)
+{
+ const struct gl_format_info *info = _mesa_get_format_info(format);
+ /* Strictly speaking, a conditional isn't needed here */
+ if (info->BlockWidth > 1 || info->BlockHeight > 1) {
+ /* compressed format (2D only for now) */
+ const uint64_t bw = info->BlockWidth, bh = info->BlockHeight;
+ const uint64_t wblocks = (width + bw - 1) / bw;
+ const uint64_t hblocks = (height + bh - 1) / bh;
+ const uint64_t sz = wblocks * hblocks * info->BytesPerBlock;
+ assert(depth == 1);
+ return sz;
+ }
+ else {
+ /* non-compressed */
+ const uint64_t sz = ((uint64_t) width *
+ (uint64_t) height *
+ (uint64_t) depth *
+ info->BytesPerBlock);
+ return sz;
+ }
+}
+
+
+
+GLint
+_mesa_format_row_stride(gl_format format, GLsizei width)
+{
+ const struct gl_format_info *info = _mesa_get_format_info(format);
+ /* Strictly speaking, a conditional isn't needed here */
+ if (info->BlockWidth > 1 || info->BlockHeight > 1) {
+ /* compressed format */
+ const GLuint bw = info->BlockWidth;
+ const GLuint wblocks = (width + bw - 1) / bw;
+ const GLint stride = wblocks * info->BytesPerBlock;
+ return stride;
+ }
+ else {
+ const GLint stride = width * info->BytesPerBlock;
+ return stride;
+ }
+}
+
+
+/**
+ * Debug/test: check that all formats are handled in the
+ * _mesa_format_to_type_and_comps() function. When new pixel formats
+ * are added to Mesa, that function needs to be updated.
+ * This is a no-op after the first call.
+ */
+static void
+check_format_to_type_and_comps(void)
+{
+ gl_format f;
+
+ for (f = MESA_FORMAT_NONE + 1; f < MESA_FORMAT_COUNT; f++) {
+ GLenum datatype = 0;
+ GLuint comps = 0;
+ /* This function will emit a problem/warning if the format is
+ * not handled.
+ */
+ _mesa_format_to_type_and_comps(f, &datatype, &comps);
+ }
+}
+
+
+/**
+ * Do sanity checking of the format info table.
+ */
+void
+_mesa_test_formats(void)
+{
+ GLuint i;
+
+ assert(Elements(format_info) == MESA_FORMAT_COUNT);
+
+ for (i = 0; i < MESA_FORMAT_COUNT; i++) {
+ const struct gl_format_info *info = _mesa_get_format_info(i);
+ assert(info);
+
+ assert(info->Name == i);
+
+ if (info->Name == MESA_FORMAT_NONE)
+ continue;
+
+ if (info->BlockWidth == 1 && info->BlockHeight == 1) {
+ if (info->RedBits > 0) {
+ GLuint t = info->RedBits + info->GreenBits
+ + info->BlueBits + info->AlphaBits;
+ assert(t / 8 <= info->BytesPerBlock);
+ (void) t;
+ }
+ }
+
+ assert(info->DataType == GL_UNSIGNED_NORMALIZED ||
+ info->DataType == GL_SIGNED_NORMALIZED ||
+ info->DataType == GL_UNSIGNED_INT ||
+ info->DataType == GL_INT ||
+ info->DataType == GL_FLOAT);
+
+ if (info->BaseFormat == GL_RGB) {
+ assert(info->RedBits > 0);
+ assert(info->GreenBits > 0);
+ assert(info->BlueBits > 0);
+ assert(info->AlphaBits == 0);
+ assert(info->LuminanceBits == 0);
+ assert(info->IntensityBits == 0);
+ }
+ else if (info->BaseFormat == GL_RGBA) {
+ assert(info->RedBits > 0);
+ assert(info->GreenBits > 0);
+ assert(info->BlueBits > 0);
+ assert(info->AlphaBits > 0);
+ assert(info->LuminanceBits == 0);
+ assert(info->IntensityBits == 0);
+ }
+ else if (info->BaseFormat == GL_RG) {
+ assert(info->RedBits > 0);
+ assert(info->GreenBits > 0);
+ assert(info->BlueBits == 0);
+ assert(info->AlphaBits == 0);
+ assert(info->LuminanceBits == 0);
+ assert(info->IntensityBits == 0);
+ }
+ else if (info->BaseFormat == GL_RED) {
+ assert(info->RedBits > 0);
+ assert(info->GreenBits == 0);
+ assert(info->BlueBits == 0);
+ assert(info->AlphaBits == 0);
+ assert(info->LuminanceBits == 0);
+ assert(info->IntensityBits == 0);
+ }
+ else if (info->BaseFormat == GL_LUMINANCE) {
+ assert(info->RedBits == 0);
+ assert(info->GreenBits == 0);
+ assert(info->BlueBits == 0);
+ assert(info->AlphaBits == 0);
+ assert(info->LuminanceBits > 0);
+ assert(info->IntensityBits == 0);
+ }
+ else if (info->BaseFormat == GL_INTENSITY) {
+ assert(info->RedBits == 0);
+ assert(info->GreenBits == 0);
+ assert(info->BlueBits == 0);
+ assert(info->AlphaBits == 0);
+ assert(info->LuminanceBits == 0);
+ assert(info->IntensityBits > 0);
+ }
+ }
+
+ check_format_to_type_and_comps();
+}
+
+
+
+/**
+ * Return datatype and number of components per texel for the given gl_format.
+ * Only used for mipmap generation code.
+ */
+void
+_mesa_format_to_type_and_comps(gl_format format,
+ GLenum *datatype, GLuint *comps)
+{
+ switch (format) {
+ case MESA_FORMAT_RGBA8888:
+ case MESA_FORMAT_RGBA8888_REV:
+ case MESA_FORMAT_ARGB8888:
+ case MESA_FORMAT_ARGB8888_REV:
+ case MESA_FORMAT_XRGB8888:
+ case MESA_FORMAT_XRGB8888_REV:
+ *datatype = GL_UNSIGNED_BYTE;
+ *comps = 4;
+ return;
+ case MESA_FORMAT_RGB888:
+ case MESA_FORMAT_BGR888:
+ *datatype = GL_UNSIGNED_BYTE;
+ *comps = 3;
+ return;
+ case MESA_FORMAT_RGB565:
+ case MESA_FORMAT_RGB565_REV:
+ *datatype = GL_UNSIGNED_SHORT_5_6_5;
+ *comps = 3;
+ return;
+
+ case MESA_FORMAT_ARGB4444:
+ case MESA_FORMAT_ARGB4444_REV:
+ *datatype = GL_UNSIGNED_SHORT_4_4_4_4;
+ *comps = 4;
+ return;
+
+ case MESA_FORMAT_ARGB1555:
+ case MESA_FORMAT_ARGB1555_REV:
+ *datatype = GL_UNSIGNED_SHORT_1_5_5_5_REV;
+ *comps = 4;
+ return;
+
+ case MESA_FORMAT_ARGB2101010:
+ *datatype = GL_UNSIGNED_INT_2_10_10_10_REV;
+ *comps = 4;
+ return;
+
+ case MESA_FORMAT_RGBA5551:
+ *datatype = GL_UNSIGNED_SHORT_5_5_5_1;
+ *comps = 4;
+ return;
+
+ case MESA_FORMAT_AL44:
+ *datatype = MESA_UNSIGNED_BYTE_4_4;
+ *comps = 2;
+ return;
+
+ case MESA_FORMAT_AL88:
+ case MESA_FORMAT_AL88_REV:
+ case MESA_FORMAT_RG88:
+ case MESA_FORMAT_RG88_REV:
+ *datatype = GL_UNSIGNED_BYTE;
+ *comps = 2;
+ return;
+
+ case MESA_FORMAT_AL1616:
+ case MESA_FORMAT_AL1616_REV:
+ case MESA_FORMAT_RG1616:
+ case MESA_FORMAT_RG1616_REV:
+ *datatype = GL_UNSIGNED_SHORT;
+ *comps = 2;
+ return;
+
+ case MESA_FORMAT_R16:
+ case MESA_FORMAT_A16:
+ case MESA_FORMAT_L16:
+ case MESA_FORMAT_I16:
+ *datatype = GL_UNSIGNED_SHORT;
+ *comps = 1;
+ return;
+
+ case MESA_FORMAT_RGB332:
+ *datatype = GL_UNSIGNED_BYTE_3_3_2;
+ *comps = 3;
+ return;
+
+ case MESA_FORMAT_A8:
+ case MESA_FORMAT_L8:
+ case MESA_FORMAT_I8:
+ case MESA_FORMAT_CI8:
+ case MESA_FORMAT_R8:
+ case MESA_FORMAT_S8:
+ *datatype = GL_UNSIGNED_BYTE;
+ *comps = 1;
+ return;
+
+ case MESA_FORMAT_YCBCR:
+ case MESA_FORMAT_YCBCR_REV:
+ *datatype = GL_UNSIGNED_SHORT;
+ *comps = 2;
+ return;
+
+ case MESA_FORMAT_Z24_S8:
+ *datatype = GL_UNSIGNED_INT;
+ *comps = 1; /* XXX OK? */
+ return;
+
+ case MESA_FORMAT_S8_Z24:
+ *datatype = GL_UNSIGNED_INT;
+ *comps = 1; /* XXX OK? */
+ return;
+
+ case MESA_FORMAT_Z16:
+ *datatype = GL_UNSIGNED_SHORT;
+ *comps = 1;
+ return;
+
+ case MESA_FORMAT_X8_Z24:
+ *datatype = GL_UNSIGNED_INT;
+ *comps = 1;
+ return;
+
+ case MESA_FORMAT_Z24_X8:
+ *datatype = GL_UNSIGNED_INT;
+ *comps = 1;
+ return;
+
+ case MESA_FORMAT_Z32:
+ *datatype = GL_UNSIGNED_INT;
+ *comps = 1;
+ return;
+
+ case MESA_FORMAT_DUDV8:
+ *datatype = GL_BYTE;
+ *comps = 2;
+ return;
+
+ case MESA_FORMAT_SIGNED_R8:
+ *datatype = GL_BYTE;
+ *comps = 1;
+ return;
+ case MESA_FORMAT_SIGNED_RG88:
+ *datatype = GL_BYTE;
+ *comps = 2;
+ return;
+ case MESA_FORMAT_SIGNED_RGBA8888:
+ case MESA_FORMAT_SIGNED_RGBA8888_REV:
+ case MESA_FORMAT_SIGNED_RGBX8888:
+ *datatype = GL_BYTE;
+ *comps = 4;
+ return;
+
+ case MESA_FORMAT_RGBA_16:
+ *datatype = GL_UNSIGNED_SHORT;
+ *comps = 4;
+ return;
+
+ case MESA_FORMAT_SIGNED_R_16:
+ *datatype = GL_SHORT;
+ *comps = 1;
+ return;
+ case MESA_FORMAT_SIGNED_RG_16:
+ *datatype = GL_SHORT;
+ *comps = 2;
+ return;
+ case MESA_FORMAT_SIGNED_RGB_16:
+ *datatype = GL_SHORT;
+ *comps = 3;
+ return;
+ case MESA_FORMAT_SIGNED_RGBA_16:
+ *datatype = GL_SHORT;
+ *comps = 4;
+ return;
+
+#if FEATURE_EXT_texture_sRGB
+ case MESA_FORMAT_SRGB8:
+ *datatype = GL_UNSIGNED_BYTE;
+ *comps = 3;
+ return;
+ case MESA_FORMAT_SRGBA8:
+ case MESA_FORMAT_SARGB8:
+ *datatype = GL_UNSIGNED_BYTE;
+ *comps = 4;
+ return;
+ case MESA_FORMAT_SL8:
+ *datatype = GL_UNSIGNED_BYTE;
+ *comps = 1;
+ return;
+ case MESA_FORMAT_SLA8:
+ *datatype = GL_UNSIGNED_BYTE;
+ *comps = 2;
+ return;
+#endif
+
+#if FEATURE_texture_fxt1
+ case MESA_FORMAT_RGB_FXT1:
+ case MESA_FORMAT_RGBA_FXT1:
+#endif
+#if FEATURE_texture_s3tc
+ case MESA_FORMAT_RGB_DXT1:
+ case MESA_FORMAT_RGBA_DXT1:
+ case MESA_FORMAT_RGBA_DXT3:
+ case MESA_FORMAT_RGBA_DXT5:
+#if FEATURE_EXT_texture_sRGB
+ case MESA_FORMAT_SRGB_DXT1:
+ case MESA_FORMAT_SRGBA_DXT1:
+ case MESA_FORMAT_SRGBA_DXT3:
+ case MESA_FORMAT_SRGBA_DXT5:
+#endif
+#endif
+ case MESA_FORMAT_RED_RGTC1:
+ case MESA_FORMAT_SIGNED_RED_RGTC1:
+ case MESA_FORMAT_RG_RGTC2:
+ case MESA_FORMAT_SIGNED_RG_RGTC2:
+ case MESA_FORMAT_L_LATC1:
+ case MESA_FORMAT_SIGNED_L_LATC1:
+ case MESA_FORMAT_LA_LATC2:
+ case MESA_FORMAT_SIGNED_LA_LATC2:
+ /* XXX generate error instead? */
+ *datatype = GL_UNSIGNED_BYTE;
+ *comps = 0;
+ return;
+
+ case MESA_FORMAT_RGBA_FLOAT32:
+ *datatype = GL_FLOAT;
+ *comps = 4;
+ return;
+ case MESA_FORMAT_RGBA_FLOAT16:
+ *datatype = GL_HALF_FLOAT_ARB;
+ *comps = 4;
+ return;
+ case MESA_FORMAT_RGB_FLOAT32:
+ *datatype = GL_FLOAT;
+ *comps = 3;
+ return;
+ case MESA_FORMAT_RGB_FLOAT16:
+ *datatype = GL_HALF_FLOAT_ARB;
+ *comps = 3;
+ return;
+ case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32:
+ *datatype = GL_FLOAT;
+ *comps = 2;
+ return;
+ case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16:
+ *datatype = GL_HALF_FLOAT_ARB;
+ *comps = 2;
+ return;
+ case MESA_FORMAT_ALPHA_FLOAT32:
+ case MESA_FORMAT_LUMINANCE_FLOAT32:
+ case MESA_FORMAT_INTENSITY_FLOAT32:
+ *datatype = GL_FLOAT;
+ *comps = 1;
+ return;
+ case MESA_FORMAT_ALPHA_FLOAT16:
+ case MESA_FORMAT_LUMINANCE_FLOAT16:
+ case MESA_FORMAT_INTENSITY_FLOAT16:
+ *datatype = GL_HALF_FLOAT_ARB;
+ *comps = 1;
+ return;
+
+ case MESA_FORMAT_RGBA_INT8:
+ *datatype = GL_BYTE;
+ *comps = 4;
+ return;
+ case MESA_FORMAT_RGBA_INT16:
+ *datatype = GL_SHORT;
+ *comps = 4;
+ return;
+ case MESA_FORMAT_RGBA_INT32:
+ *datatype = GL_INT;
+ *comps = 4;
+ return;
+
+ /**
+ * \name Non-normalized unsigned integer formats.
+ */
+ case MESA_FORMAT_RGBA_UINT8:
+ *datatype = GL_UNSIGNED_BYTE;
+ *comps = 4;
+ return;
+ case MESA_FORMAT_RGBA_UINT16:
+ *datatype = GL_UNSIGNED_SHORT;
+ *comps = 4;
+ return;
+ case MESA_FORMAT_RGBA_UINT32:
+ *datatype = GL_UNSIGNED_INT;
+ *comps = 4;
+ return;
+
+ case MESA_FORMAT_COUNT:
+ assert(0);
+ return;
+
+ case MESA_FORMAT_NONE:
+ /* For debug builds, warn if any formats are not handled */
+#ifdef DEBUG
+ default:
+#endif
+ _mesa_problem(NULL, "bad format %s in _mesa_format_to_type_and_comps",
+ _mesa_get_format_name(format));
+ *datatype = 0;
+ *comps = 1;
+ }
+}
diff --git a/mesalib/src/mesa/main/formats.h b/mesalib/src/mesa/main/formats.h
index 04a18930b..81ba76ce0 100644
--- a/mesalib/src/mesa/main/formats.h
+++ b/mesalib/src/mesa/main/formats.h
@@ -1,251 +1,251 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.7
- *
- * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
- * Copyright (c) 2008-2009 VMware, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/*
- * Authors:
- * Brian Paul
- */
-
-
-#ifndef FORMATS_H
-#define FORMATS_H
-
-
-#include <GL/gl.h>
-
-/* OpenGL doesn't have GL_UNSIGNED_BYTE_4_4, so we must define our own type
- * for GL_LUMINANCE4_ALPHA4. */
-#define MESA_UNSIGNED_BYTE_4_4 (GL_UNSIGNED_BYTE<<1)
-
-
-/**
- * Mesa texture/renderbuffer image formats.
- */
-typedef enum
-{
- MESA_FORMAT_NONE = 0,
-
- /**
- * \name Basic hardware formats
- */
- /*@{*/
- /* msb <------ TEXEL BITS -----------> lsb */
- /* ---- ---- ---- ---- ---- ---- ---- ---- */
- MESA_FORMAT_RGBA8888, /* RRRR RRRR GGGG GGGG BBBB BBBB AAAA AAAA */
- MESA_FORMAT_RGBA8888_REV, /* AAAA AAAA BBBB BBBB GGGG GGGG RRRR RRRR */
- MESA_FORMAT_ARGB8888, /* AAAA AAAA RRRR RRRR GGGG GGGG BBBB BBBB */
- MESA_FORMAT_ARGB8888_REV, /* BBBB BBBB GGGG GGGG RRRR RRRR AAAA AAAA */
- MESA_FORMAT_XRGB8888, /* xxxx xxxx RRRR RRRR GGGG GGGG BBBB BBBB */
- MESA_FORMAT_XRGB8888_REV, /* BBBB BBBB GGGG GGGG RRRR RRRR xxxx xxxx */
- MESA_FORMAT_RGB888, /* RRRR RRRR GGGG GGGG BBBB BBBB */
- MESA_FORMAT_BGR888, /* BBBB BBBB GGGG GGGG RRRR RRRR */
- MESA_FORMAT_RGB565, /* RRRR RGGG GGGB BBBB */
- MESA_FORMAT_RGB565_REV, /* GGGB BBBB RRRR RGGG */
- MESA_FORMAT_ARGB4444, /* AAAA RRRR GGGG BBBB */
- MESA_FORMAT_ARGB4444_REV, /* GGGG BBBB AAAA RRRR */
- MESA_FORMAT_RGBA5551, /* RRRR RGGG GGBB BBBA */
- MESA_FORMAT_ARGB1555, /* ARRR RRGG GGGB BBBB */
- MESA_FORMAT_ARGB1555_REV, /* GGGB BBBB ARRR RRGG */
- MESA_FORMAT_AL44, /* AAAA LLLL */
- MESA_FORMAT_AL88, /* AAAA AAAA LLLL LLLL */
- MESA_FORMAT_AL88_REV, /* LLLL LLLL AAAA AAAA */
- MESA_FORMAT_AL1616, /* AAAA AAAA AAAA AAAA LLLL LLLL LLLL LLLL */
- MESA_FORMAT_AL1616_REV, /* LLLL LLLL LLLL LLLL AAAA AAAA AAAA AAAA */
- MESA_FORMAT_RGB332, /* RRRG GGBB */
- MESA_FORMAT_A8, /* AAAA AAAA */
- MESA_FORMAT_A16, /* AAAA AAAA AAAA AAAA */
- MESA_FORMAT_L8, /* LLLL LLLL */
- MESA_FORMAT_L16, /* LLLL LLLL LLLL LLLL */
- MESA_FORMAT_I8, /* IIII IIII */
- MESA_FORMAT_I16, /* IIII IIII IIII IIII */
- MESA_FORMAT_CI8, /* CCCC CCCC */
- MESA_FORMAT_YCBCR, /* YYYY YYYY UorV UorV */
- MESA_FORMAT_YCBCR_REV, /* UorV UorV YYYY YYYY */
- MESA_FORMAT_R8, /* RRRR RRRR */
- MESA_FORMAT_RG88, /* RRRR RRRR GGGG GGGG */
- MESA_FORMAT_RG88_REV, /* GGGG GGGG RRRR RRRR */
- MESA_FORMAT_R16, /* RRRR RRRR RRRR RRRR */
- MESA_FORMAT_RG1616, /* RRRR RRRR RRRR RRRR GGGG GGGG GGGG GGGG */
- MESA_FORMAT_RG1616_REV, /* GGGG GGGG GGGG GGGG RRRR RRRR RRRR RRRR */
- MESA_FORMAT_ARGB2101010, /* AARR RRRR RRRR GGGG GGGG GGBB BBBB BBBB */
- MESA_FORMAT_Z24_S8, /* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ SSSS SSSS */
- MESA_FORMAT_S8_Z24, /* SSSS SSSS ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */
- MESA_FORMAT_Z16, /* ZZZZ ZZZZ ZZZZ ZZZZ */
- MESA_FORMAT_X8_Z24, /* xxxx xxxx ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */
- MESA_FORMAT_Z24_X8, /* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ xxxx xxxx */
- MESA_FORMAT_Z32, /* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */
- MESA_FORMAT_S8, /* SSSS SSSS */
- /*@}*/
-
- /**
- * \name 8-bit/channel sRGB formats
- */
- /*@{*/
- MESA_FORMAT_SRGB8,
- MESA_FORMAT_SRGBA8,
- MESA_FORMAT_SARGB8,
- MESA_FORMAT_SL8,
- MESA_FORMAT_SLA8,
- MESA_FORMAT_SRGB_DXT1,
- MESA_FORMAT_SRGBA_DXT1,
- MESA_FORMAT_SRGBA_DXT3,
- MESA_FORMAT_SRGBA_DXT5,
- /*@}*/
-
- /**
- * \name Compressed texture formats.
- */
- /*@{*/
- MESA_FORMAT_RGB_FXT1,
- MESA_FORMAT_RGBA_FXT1,
- MESA_FORMAT_RGB_DXT1,
- MESA_FORMAT_RGBA_DXT1,
- MESA_FORMAT_RGBA_DXT3,
- MESA_FORMAT_RGBA_DXT5,
- /*@}*/
-
- /**
- * \name Floating point texture formats.
- */
- /*@{*/
- MESA_FORMAT_RGBA_FLOAT32,
- MESA_FORMAT_RGBA_FLOAT16,
- MESA_FORMAT_RGB_FLOAT32,
- MESA_FORMAT_RGB_FLOAT16,
- MESA_FORMAT_ALPHA_FLOAT32,
- MESA_FORMAT_ALPHA_FLOAT16,
- MESA_FORMAT_LUMINANCE_FLOAT32,
- MESA_FORMAT_LUMINANCE_FLOAT16,
- MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32,
- MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16,
- MESA_FORMAT_INTENSITY_FLOAT32,
- MESA_FORMAT_INTENSITY_FLOAT16,
- /*@}*/
-
- /**
- * \name Non-normalized signed integer formats.
- * XXX Note: these are just stand-ins for some better hardware
- * formats TBD such as BGRA or ARGB.
- */
- MESA_FORMAT_RGBA_INT8,
- MESA_FORMAT_RGBA_INT16,
- MESA_FORMAT_RGBA_INT32,
-
- /**
- * \name Non-normalized unsigned integer formats.
- */
- MESA_FORMAT_RGBA_UINT8,
- MESA_FORMAT_RGBA_UINT16,
- MESA_FORMAT_RGBA_UINT32,
-
- /* msb <------ TEXEL BITS -----------> lsb */
- /* ---- ---- ---- ---- ---- ---- ---- ---- */
- /**
- * \name Signed fixed point texture formats.
- */
- /*@{*/
- MESA_FORMAT_DUDV8, /* DUDU DUDU DVDV DVDV */
- MESA_FORMAT_SIGNED_R8, /* RRRR RRRR */
- MESA_FORMAT_SIGNED_RG88, /* RRRR RRRR GGGG GGGG */
- MESA_FORMAT_SIGNED_RGBX8888, /* RRRR RRRR GGGG GGGG BBBB BBBB xxxx xxxx */
- MESA_FORMAT_SIGNED_RGBA8888, /* RRRR RRRR GGGG GGGG BBBB BBBB AAAA AAAA */
- MESA_FORMAT_SIGNED_RGBA8888_REV,/*AAAA AAAA BBBB BBBB GGGG GGGG RRRR RRRR */
- MESA_FORMAT_SIGNED_R_16, /* ushort[0]=R */
- MESA_FORMAT_SIGNED_RG_16, /* ushort[0]=R, ushort[1]=G */
- MESA_FORMAT_SIGNED_RGB_16, /* ushort[0]=R, ushort[1]=G, ushort[2]=B */
- MESA_FORMAT_SIGNED_RGBA_16, /* ... */
- MESA_FORMAT_RGBA_16, /* ... */
- /*@}*/
-
- /*@{*/
- MESA_FORMAT_RED_RGTC1,
- MESA_FORMAT_SIGNED_RED_RGTC1,
- MESA_FORMAT_RG_RGTC2,
- MESA_FORMAT_SIGNED_RG_RGTC2,
- /*@}*/
-
- /*@{*/
- MESA_FORMAT_L_LATC1,
- MESA_FORMAT_SIGNED_L_LATC1,
- MESA_FORMAT_LA_LATC2,
- MESA_FORMAT_SIGNED_LA_LATC2,
- /*@}*/
-
- MESA_FORMAT_COUNT
-} gl_format;
-
-
-extern const char *
-_mesa_get_format_name(gl_format format);
-
-extern GLuint
-_mesa_get_format_bytes(gl_format format);
-
-extern GLint
-_mesa_get_format_bits(gl_format format, GLenum pname);
-
-extern GLenum
-_mesa_get_format_datatype(gl_format format);
-
-extern GLenum
-_mesa_get_format_base_format(gl_format format);
-
-extern void
-_mesa_get_format_block_size(gl_format format, GLuint *bw, GLuint *bh);
-
-extern GLboolean
-_mesa_is_format_compressed(gl_format format);
-
-extern GLboolean
-_mesa_is_format_packed_depth_stencil(gl_format format);
-
-extern GLboolean
-_mesa_is_format_integer_color(gl_format format);
-
-extern GLenum
-_mesa_get_format_color_encoding(gl_format format);
-
-extern GLuint
-_mesa_format_image_size(gl_format format, GLsizei width,
- GLsizei height, GLsizei depth);
-
-extern uint64_t
-_mesa_format_image_size64(gl_format format, GLsizei width,
- GLsizei height, GLsizei depth);
-
-extern GLint
-_mesa_format_row_stride(gl_format format, GLsizei width);
-
-extern void
-_mesa_format_to_type_and_comps(gl_format format,
- GLenum *datatype, GLuint *comps);
-
-extern void
-_mesa_test_formats(void);
-
-extern gl_format
-_mesa_get_srgb_format_linear(gl_format format);
-
-#endif /* FORMATS_H */
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.7
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (c) 2008-2009 VMware, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * Authors:
+ * Brian Paul
+ */
+
+
+#ifndef FORMATS_H
+#define FORMATS_H
+
+
+#include <GL/gl.h>
+
+/* OpenGL doesn't have GL_UNSIGNED_BYTE_4_4, so we must define our own type
+ * for GL_LUMINANCE4_ALPHA4. */
+#define MESA_UNSIGNED_BYTE_4_4 (GL_UNSIGNED_BYTE<<1)
+
+
+/**
+ * Mesa texture/renderbuffer image formats.
+ */
+typedef enum
+{
+ MESA_FORMAT_NONE = 0,
+
+ /**
+ * \name Basic hardware formats
+ */
+ /*@{*/
+ /* msb <------ TEXEL BITS -----------> lsb */
+ /* ---- ---- ---- ---- ---- ---- ---- ---- */
+ MESA_FORMAT_RGBA8888, /* RRRR RRRR GGGG GGGG BBBB BBBB AAAA AAAA */
+ MESA_FORMAT_RGBA8888_REV, /* AAAA AAAA BBBB BBBB GGGG GGGG RRRR RRRR */
+ MESA_FORMAT_ARGB8888, /* AAAA AAAA RRRR RRRR GGGG GGGG BBBB BBBB */
+ MESA_FORMAT_ARGB8888_REV, /* BBBB BBBB GGGG GGGG RRRR RRRR AAAA AAAA */
+ MESA_FORMAT_XRGB8888, /* xxxx xxxx RRRR RRRR GGGG GGGG BBBB BBBB */
+ MESA_FORMAT_XRGB8888_REV, /* BBBB BBBB GGGG GGGG RRRR RRRR xxxx xxxx */
+ MESA_FORMAT_RGB888, /* RRRR RRRR GGGG GGGG BBBB BBBB */
+ MESA_FORMAT_BGR888, /* BBBB BBBB GGGG GGGG RRRR RRRR */
+ MESA_FORMAT_RGB565, /* RRRR RGGG GGGB BBBB */
+ MESA_FORMAT_RGB565_REV, /* GGGB BBBB RRRR RGGG */
+ MESA_FORMAT_ARGB4444, /* AAAA RRRR GGGG BBBB */
+ MESA_FORMAT_ARGB4444_REV, /* GGGG BBBB AAAA RRRR */
+ MESA_FORMAT_RGBA5551, /* RRRR RGGG GGBB BBBA */
+ MESA_FORMAT_ARGB1555, /* ARRR RRGG GGGB BBBB */
+ MESA_FORMAT_ARGB1555_REV, /* GGGB BBBB ARRR RRGG */
+ MESA_FORMAT_AL44, /* AAAA LLLL */
+ MESA_FORMAT_AL88, /* AAAA AAAA LLLL LLLL */
+ MESA_FORMAT_AL88_REV, /* LLLL LLLL AAAA AAAA */
+ MESA_FORMAT_AL1616, /* AAAA AAAA AAAA AAAA LLLL LLLL LLLL LLLL */
+ MESA_FORMAT_AL1616_REV, /* LLLL LLLL LLLL LLLL AAAA AAAA AAAA AAAA */
+ MESA_FORMAT_RGB332, /* RRRG GGBB */
+ MESA_FORMAT_A8, /* AAAA AAAA */
+ MESA_FORMAT_A16, /* AAAA AAAA AAAA AAAA */
+ MESA_FORMAT_L8, /* LLLL LLLL */
+ MESA_FORMAT_L16, /* LLLL LLLL LLLL LLLL */
+ MESA_FORMAT_I8, /* IIII IIII */
+ MESA_FORMAT_I16, /* IIII IIII IIII IIII */
+ MESA_FORMAT_CI8, /* CCCC CCCC */
+ MESA_FORMAT_YCBCR, /* YYYY YYYY UorV UorV */
+ MESA_FORMAT_YCBCR_REV, /* UorV UorV YYYY YYYY */
+ MESA_FORMAT_R8, /* RRRR RRRR */
+ MESA_FORMAT_RG88, /* RRRR RRRR GGGG GGGG */
+ MESA_FORMAT_RG88_REV, /* GGGG GGGG RRRR RRRR */
+ MESA_FORMAT_R16, /* RRRR RRRR RRRR RRRR */
+ MESA_FORMAT_RG1616, /* RRRR RRRR RRRR RRRR GGGG GGGG GGGG GGGG */
+ MESA_FORMAT_RG1616_REV, /* GGGG GGGG GGGG GGGG RRRR RRRR RRRR RRRR */
+ MESA_FORMAT_ARGB2101010, /* AARR RRRR RRRR GGGG GGGG GGBB BBBB BBBB */
+ MESA_FORMAT_Z24_S8, /* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ SSSS SSSS */
+ MESA_FORMAT_S8_Z24, /* SSSS SSSS ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */
+ MESA_FORMAT_Z16, /* ZZZZ ZZZZ ZZZZ ZZZZ */
+ MESA_FORMAT_X8_Z24, /* xxxx xxxx ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */
+ MESA_FORMAT_Z24_X8, /* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ xxxx xxxx */
+ MESA_FORMAT_Z32, /* ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ ZZZZ */
+ MESA_FORMAT_S8, /* SSSS SSSS */
+ /*@}*/
+
+ /**
+ * \name 8-bit/channel sRGB formats
+ */
+ /*@{*/
+ MESA_FORMAT_SRGB8,
+ MESA_FORMAT_SRGBA8,
+ MESA_FORMAT_SARGB8,
+ MESA_FORMAT_SL8,
+ MESA_FORMAT_SLA8,
+ MESA_FORMAT_SRGB_DXT1,
+ MESA_FORMAT_SRGBA_DXT1,
+ MESA_FORMAT_SRGBA_DXT3,
+ MESA_FORMAT_SRGBA_DXT5,
+ /*@}*/
+
+ /**
+ * \name Compressed texture formats.
+ */
+ /*@{*/
+ MESA_FORMAT_RGB_FXT1,
+ MESA_FORMAT_RGBA_FXT1,
+ MESA_FORMAT_RGB_DXT1,
+ MESA_FORMAT_RGBA_DXT1,
+ MESA_FORMAT_RGBA_DXT3,
+ MESA_FORMAT_RGBA_DXT5,
+ /*@}*/
+
+ /**
+ * \name Floating point texture formats.
+ */
+ /*@{*/
+ MESA_FORMAT_RGBA_FLOAT32,
+ MESA_FORMAT_RGBA_FLOAT16,
+ MESA_FORMAT_RGB_FLOAT32,
+ MESA_FORMAT_RGB_FLOAT16,
+ MESA_FORMAT_ALPHA_FLOAT32,
+ MESA_FORMAT_ALPHA_FLOAT16,
+ MESA_FORMAT_LUMINANCE_FLOAT32,
+ MESA_FORMAT_LUMINANCE_FLOAT16,
+ MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32,
+ MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16,
+ MESA_FORMAT_INTENSITY_FLOAT32,
+ MESA_FORMAT_INTENSITY_FLOAT16,
+ /*@}*/
+
+ /**
+ * \name Non-normalized signed integer formats.
+ * XXX Note: these are just stand-ins for some better hardware
+ * formats TBD such as BGRA or ARGB.
+ */
+ MESA_FORMAT_RGBA_INT8,
+ MESA_FORMAT_RGBA_INT16,
+ MESA_FORMAT_RGBA_INT32,
+
+ /**
+ * \name Non-normalized unsigned integer formats.
+ */
+ MESA_FORMAT_RGBA_UINT8,
+ MESA_FORMAT_RGBA_UINT16,
+ MESA_FORMAT_RGBA_UINT32,
+
+ /* msb <------ TEXEL BITS -----------> lsb */
+ /* ---- ---- ---- ---- ---- ---- ---- ---- */
+ /**
+ * \name Signed fixed point texture formats.
+ */
+ /*@{*/
+ MESA_FORMAT_DUDV8, /* DUDU DUDU DVDV DVDV */
+ MESA_FORMAT_SIGNED_R8, /* RRRR RRRR */
+ MESA_FORMAT_SIGNED_RG88, /* RRRR RRRR GGGG GGGG */
+ MESA_FORMAT_SIGNED_RGBX8888, /* RRRR RRRR GGGG GGGG BBBB BBBB xxxx xxxx */
+ MESA_FORMAT_SIGNED_RGBA8888, /* RRRR RRRR GGGG GGGG BBBB BBBB AAAA AAAA */
+ MESA_FORMAT_SIGNED_RGBA8888_REV,/*AAAA AAAA BBBB BBBB GGGG GGGG RRRR RRRR */
+ MESA_FORMAT_SIGNED_R_16, /* ushort[0]=R */
+ MESA_FORMAT_SIGNED_RG_16, /* ushort[0]=R, ushort[1]=G */
+ MESA_FORMAT_SIGNED_RGB_16, /* ushort[0]=R, ushort[1]=G, ushort[2]=B */
+ MESA_FORMAT_SIGNED_RGBA_16, /* ... */
+ MESA_FORMAT_RGBA_16, /* ... */
+ /*@}*/
+
+ /*@{*/
+ MESA_FORMAT_RED_RGTC1,
+ MESA_FORMAT_SIGNED_RED_RGTC1,
+ MESA_FORMAT_RG_RGTC2,
+ MESA_FORMAT_SIGNED_RG_RGTC2,
+ /*@}*/
+
+ /*@{*/
+ MESA_FORMAT_L_LATC1,
+ MESA_FORMAT_SIGNED_L_LATC1,
+ MESA_FORMAT_LA_LATC2,
+ MESA_FORMAT_SIGNED_LA_LATC2,
+ /*@}*/
+
+ MESA_FORMAT_COUNT
+} gl_format;
+
+
+extern const char *
+_mesa_get_format_name(gl_format format);
+
+extern GLuint
+_mesa_get_format_bytes(gl_format format);
+
+extern GLint
+_mesa_get_format_bits(gl_format format, GLenum pname);
+
+extern GLenum
+_mesa_get_format_datatype(gl_format format);
+
+extern GLenum
+_mesa_get_format_base_format(gl_format format);
+
+extern void
+_mesa_get_format_block_size(gl_format format, GLuint *bw, GLuint *bh);
+
+extern GLboolean
+_mesa_is_format_compressed(gl_format format);
+
+extern GLboolean
+_mesa_is_format_packed_depth_stencil(gl_format format);
+
+extern GLboolean
+_mesa_is_format_integer_color(gl_format format);
+
+extern GLenum
+_mesa_get_format_color_encoding(gl_format format);
+
+extern GLuint
+_mesa_format_image_size(gl_format format, GLsizei width,
+ GLsizei height, GLsizei depth);
+
+extern uint64_t
+_mesa_format_image_size64(gl_format format, GLsizei width,
+ GLsizei height, GLsizei depth);
+
+extern GLint
+_mesa_format_row_stride(gl_format format, GLsizei width);
+
+extern void
+_mesa_format_to_type_and_comps(gl_format format,
+ GLenum *datatype, GLuint *comps);
+
+extern void
+_mesa_test_formats(void);
+
+extern gl_format
+_mesa_get_srgb_format_linear(gl_format format);
+
+#endif /* FORMATS_H */
diff --git a/mesalib/src/mesa/main/get.c b/mesalib/src/mesa/main/get.c
index 81a2a4e7c..206c66062 100644
--- a/mesalib/src/mesa/main/get.c
+++ b/mesalib/src/mesa/main/get.c
@@ -1,2527 +1,2527 @@
-/*
- * Copyright (C) 2010 Brian Paul All Rights Reserved.
- * Copyright (C) 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * Author: Kristian Høgsberg <krh@bitplanet.net>
- */
-
-#include "glheader.h"
-#include "context.h"
-#include "enable.h"
-#include "enums.h"
-#include "extensions.h"
-#include "get.h"
-#include "macros.h"
-#include "mfeatures.h"
-#include "mtypes.h"
-#include "state.h"
-#include "texcompress.h"
-#include "framebuffer.h"
-
-/* This is a table driven implemetation of the glGet*v() functions.
- * The basic idea is that most getters just look up an int somewhere
- * in struct gl_context and then convert it to a bool or float according to
- * which of glGetIntegerv() glGetBooleanv() etc is being called.
- * Instead of generating code to do this, we can just record the enum
- * value and the offset into struct gl_context in an array of structs. Then
- * in glGet*(), we lookup the struct for the enum in question, and use
- * the offset to get the int we need.
- *
- * Sometimes we need to look up a float, a boolean, a bit in a
- * bitfield, a matrix or other types instead, so we need to track the
- * type of the value in struct gl_context. And sometimes the value isn't in
- * struct gl_context but in the drawbuffer, the array object, current texture
- * unit, or maybe it's a computed value. So we need to also track
- * where or how to find the value. Finally, we sometimes need to
- * check that one of a number of extensions are enabled, the GL
- * version or flush or call _mesa_update_state(). This is done by
- * attaching optional extra information to the value description
- * struct, it's sort of like an array of opcodes that describe extra
- * checks or actions.
- *
- * Putting all this together we end up with struct value_desc below,
- * and with a couple of macros to help, the table of struct value_desc
- * is about as concise as the specification in the old python script.
- */
-
-#undef CONST
-
-#define FLOAT_TO_BOOLEAN(X) ( (X) ? GL_TRUE : GL_FALSE )
-#define FLOAT_TO_FIXED(F) ( ((F) * 65536.0f > INT_MAX) ? INT_MAX : \
- ((F) * 65536.0f < INT_MIN) ? INT_MIN : \
- (GLint) ((F) * 65536.0f) )
-
-#define INT_TO_BOOLEAN(I) ( (I) ? GL_TRUE : GL_FALSE )
-#define INT_TO_FIXED(I) ( ((I) > SHRT_MAX) ? INT_MAX : \
- ((I) < SHRT_MIN) ? INT_MIN : \
- (GLint) ((I) * 65536) )
-
-#define INT64_TO_BOOLEAN(I) ( (I) ? GL_TRUE : GL_FALSE )
-#define INT64_TO_INT(I) ( (GLint)((I > INT_MAX) ? INT_MAX : ((I < INT_MIN) ? INT_MIN : (I))) )
-
-#define BOOLEAN_TO_INT(B) ( (GLint) (B) )
-#define BOOLEAN_TO_INT64(B) ( (GLint64) (B) )
-#define BOOLEAN_TO_FLOAT(B) ( (B) ? 1.0F : 0.0F )
-#define BOOLEAN_TO_FIXED(B) ( (GLint) ((B) ? 1 : 0) << 16 )
-
-#define ENUM_TO_INT64(E) ( (GLint64) (E) )
-#define ENUM_TO_FIXED(E) (E)
-
-enum value_type {
- TYPE_INVALID,
- TYPE_API_MASK,
- TYPE_INT,
- TYPE_INT_2,
- TYPE_INT_3,
- TYPE_INT_4,
- TYPE_INT_N,
- TYPE_INT64,
- TYPE_ENUM,
- TYPE_ENUM_2,
- TYPE_BOOLEAN,
- TYPE_BIT_0,
- TYPE_BIT_1,
- TYPE_BIT_2,
- TYPE_BIT_3,
- TYPE_BIT_4,
- TYPE_BIT_5,
- TYPE_FLOAT,
- TYPE_FLOAT_2,
- TYPE_FLOAT_3,
- TYPE_FLOAT_4,
- TYPE_FLOATN,
- TYPE_FLOATN_2,
- TYPE_FLOATN_3,
- TYPE_FLOATN_4,
- TYPE_DOUBLEN,
- TYPE_MATRIX,
- TYPE_MATRIX_T,
- TYPE_CONST
-};
-
-enum value_location {
- LOC_BUFFER,
- LOC_CONTEXT,
- LOC_ARRAY,
- LOC_TEXUNIT,
- LOC_CUSTOM
-};
-
-enum value_extra {
- EXTRA_END = 0x8000,
- EXTRA_VERSION_30,
- EXTRA_VERSION_31,
- EXTRA_VERSION_32,
- EXTRA_VERSION_ES2,
- EXTRA_NEW_BUFFERS,
- EXTRA_VALID_DRAW_BUFFER,
- EXTRA_VALID_TEXTURE_UNIT,
- EXTRA_FLUSH_CURRENT,
-};
-
-#define NO_EXTRA NULL
-#define NO_OFFSET 0
-
-struct value_desc {
- GLenum pname;
- GLubyte location; /**< enum value_location */
- GLubyte type; /**< enum value_type */
- int offset;
- const int *extra;
-};
-
-union value {
- GLfloat value_float;
- GLfloat value_float_4[4];
- GLmatrix *value_matrix;
- GLint value_int;
- GLint value_int_4[4];
- GLint64 value_int64;
- GLenum value_enum;
-
- /* Sigh, see GL_COMPRESSED_TEXTURE_FORMATS_ARB handling */
- struct {
- GLint n, ints[100];
- } value_int_n;
- GLboolean value_bool;
-};
-
-#define BUFFER_FIELD(field, type) \
- LOC_BUFFER, type, offsetof(struct gl_framebuffer, field)
-#define CONTEXT_FIELD(field, type) \
- LOC_CONTEXT, type, offsetof(struct gl_context, field)
-#define ARRAY_FIELD(field, type) \
- LOC_ARRAY, type, offsetof(struct gl_array_object, field)
-#define CONST(value) \
- LOC_CONTEXT, TYPE_CONST, value
-
-#define BUFFER_INT(field) BUFFER_FIELD(field, TYPE_INT)
-#define BUFFER_ENUM(field) BUFFER_FIELD(field, TYPE_ENUM)
-#define BUFFER_BOOL(field) BUFFER_FIELD(field, TYPE_BOOLEAN)
-
-#define CONTEXT_INT(field) CONTEXT_FIELD(field, TYPE_INT)
-#define CONTEXT_INT2(field) CONTEXT_FIELD(field, TYPE_INT_2)
-#define CONTEXT_INT64(field) CONTEXT_FIELD(field, TYPE_INT64)
-#define CONTEXT_ENUM(field) CONTEXT_FIELD(field, TYPE_ENUM)
-#define CONTEXT_ENUM2(field) CONTEXT_FIELD(field, TYPE_ENUM_2)
-#define CONTEXT_BOOL(field) CONTEXT_FIELD(field, TYPE_BOOLEAN)
-#define CONTEXT_BIT0(field) CONTEXT_FIELD(field, TYPE_BIT_0)
-#define CONTEXT_BIT1(field) CONTEXT_FIELD(field, TYPE_BIT_1)
-#define CONTEXT_BIT2(field) CONTEXT_FIELD(field, TYPE_BIT_2)
-#define CONTEXT_BIT3(field) CONTEXT_FIELD(field, TYPE_BIT_3)
-#define CONTEXT_BIT4(field) CONTEXT_FIELD(field, TYPE_BIT_4)
-#define CONTEXT_BIT5(field) CONTEXT_FIELD(field, TYPE_BIT_5)
-#define CONTEXT_FLOAT(field) CONTEXT_FIELD(field, TYPE_FLOAT)
-#define CONTEXT_FLOAT2(field) CONTEXT_FIELD(field, TYPE_FLOAT_2)
-#define CONTEXT_FLOAT3(field) CONTEXT_FIELD(field, TYPE_FLOAT_3)
-#define CONTEXT_FLOAT4(field) CONTEXT_FIELD(field, TYPE_FLOAT_4)
-#define CONTEXT_MATRIX(field) CONTEXT_FIELD(field, TYPE_MATRIX)
-#define CONTEXT_MATRIX_T(field) CONTEXT_FIELD(field, TYPE_MATRIX_T)
-
-#define ARRAY_INT(field) ARRAY_FIELD(field, TYPE_INT)
-#define ARRAY_ENUM(field) ARRAY_FIELD(field, TYPE_ENUM)
-#define ARRAY_BOOL(field) ARRAY_FIELD(field, TYPE_BOOLEAN)
-
-#define EXT(f) \
- offsetof(struct gl_extensions, f)
-
-#define EXTRA_EXT(e) \
- static const int extra_##e[] = { \
- EXT(e), EXTRA_END \
- }
-
-#define EXTRA_EXT2(e1, e2) \
- static const int extra_##e1##_##e2[] = { \
- EXT(e1), EXT(e2), EXTRA_END \
- }
-
-/* The 'extra' mechanism is a way to specify extra checks (such as
- * extensions or specific gl versions) or actions (flush current, new
- * buffers) that we need to do before looking up an enum. We need to
- * declare them all up front so we can refer to them in the value_desc
- * structs below. */
-
-static const int extra_new_buffers[] = {
- EXTRA_NEW_BUFFERS,
- EXTRA_END
-};
-
-static const int extra_valid_draw_buffer[] = {
- EXTRA_VALID_DRAW_BUFFER,
- EXTRA_END
-};
-
-static const int extra_valid_texture_unit[] = {
- EXTRA_VALID_TEXTURE_UNIT,
- EXTRA_END
-};
-
-static const int extra_flush_current_valid_texture_unit[] = {
- EXTRA_FLUSH_CURRENT,
- EXTRA_VALID_TEXTURE_UNIT,
- EXTRA_END
-};
-
-static const int extra_flush_current[] = {
- EXTRA_FLUSH_CURRENT,
- EXTRA_END
-};
-
-static const int extra_new_buffers_OES_read_format[] = {
- EXTRA_NEW_BUFFERS,
- EXT(OES_read_format),
- EXTRA_END
-};
-
-static const int extra_EXT_secondary_color_flush_current[] = {
- EXT(EXT_secondary_color),
- EXTRA_FLUSH_CURRENT,
- EXTRA_END
-};
-
-static const int extra_EXT_fog_coord_flush_current[] = {
- EXT(EXT_fog_coord),
- EXTRA_FLUSH_CURRENT,
- EXTRA_END
-};
-
-static const int extra_EXT_texture_integer[] = {
- EXT(EXT_texture_integer),
- EXTRA_END
-};
-
-static const int extra_EXT_gpu_shader4[] = {
- EXT(EXT_gpu_shader4),
- EXTRA_END
-};
-
-
-EXTRA_EXT(ARB_ES2_compatibility);
-EXTRA_EXT(ARB_multitexture);
-EXTRA_EXT(ARB_texture_cube_map);
-EXTRA_EXT(MESA_texture_array);
-EXTRA_EXT2(EXT_secondary_color, ARB_vertex_program);
-EXTRA_EXT(EXT_secondary_color);
-EXTRA_EXT(EXT_fog_coord);
-EXTRA_EXT(EXT_texture_lod_bias);
-EXTRA_EXT(EXT_texture_filter_anisotropic);
-EXTRA_EXT(IBM_rasterpos_clip);
-EXTRA_EXT(NV_point_sprite);
-EXTRA_EXT(SGIS_generate_mipmap);
-EXTRA_EXT(NV_vertex_program);
-EXTRA_EXT(NV_fragment_program);
-EXTRA_EXT(NV_texture_rectangle);
-EXTRA_EXT(EXT_stencil_two_side);
-EXTRA_EXT(NV_light_max_exponent);
-EXTRA_EXT(EXT_depth_bounds_test);
-EXTRA_EXT(ARB_depth_clamp);
-EXTRA_EXT(ATI_fragment_shader);
-EXTRA_EXT(EXT_framebuffer_blit);
-EXTRA_EXT(ARB_shader_objects);
-EXTRA_EXT(EXT_provoking_vertex);
-EXTRA_EXT(ARB_fragment_shader);
-EXTRA_EXT(ARB_fragment_program);
-EXTRA_EXT2(ARB_framebuffer_object, EXT_framebuffer_multisample);
-EXTRA_EXT(EXT_framebuffer_object);
-EXTRA_EXT(APPLE_vertex_array_object);
-EXTRA_EXT(ARB_seamless_cube_map);
-EXTRA_EXT(EXT_compiled_vertex_array);
-EXTRA_EXT(ARB_sync);
-EXTRA_EXT(ARB_vertex_shader);
-EXTRA_EXT(EXT_transform_feedback);
-EXTRA_EXT(ARB_transform_feedback2);
-EXTRA_EXT(EXT_pixel_buffer_object);
-EXTRA_EXT(ARB_vertex_program);
-EXTRA_EXT2(NV_point_sprite, ARB_point_sprite);
-EXTRA_EXT2(ARB_fragment_program, NV_fragment_program);
-EXTRA_EXT2(ARB_vertex_program, NV_vertex_program);
-EXTRA_EXT2(ARB_vertex_program, ARB_fragment_program);
-EXTRA_EXT(ARB_vertex_buffer_object);
-EXTRA_EXT(ARB_geometry_shader4);
-EXTRA_EXT(ARB_copy_buffer);
-EXTRA_EXT(EXT_framebuffer_sRGB);
-
-static const int
-extra_ARB_vertex_program_ARB_fragment_program_NV_vertex_program[] = {
- EXT(ARB_vertex_program),
- EXT(ARB_fragment_program),
- EXT(NV_vertex_program),
- EXTRA_END
-};
-
-static const int
-extra_NV_vertex_program_ARB_vertex_program_ARB_fragment_program_NV_vertex_program[] = {
- EXT(NV_vertex_program),
- EXT(ARB_vertex_program),
- EXT(ARB_fragment_program),
- EXT(NV_vertex_program),
- EXTRA_END
-};
-
-static const int
-extra_NV_primitive_restart[] = {
- EXT(NV_primitive_restart),
- EXTRA_END
-};
-
-static const int extra_version_30[] = { EXTRA_VERSION_30, EXTRA_END };
-static const int extra_version_31[] = { EXTRA_VERSION_31, EXTRA_END };
-static const int extra_version_32[] = { EXTRA_VERSION_32, EXTRA_END };
-
-static const int
-extra_ARB_vertex_program_version_es2[] = {
- EXT(ARB_vertex_program),
- EXTRA_VERSION_ES2,
- EXTRA_END
-};
-
-#define API_OPENGL_BIT (1 << API_OPENGL)
-#define API_OPENGLES_BIT (1 << API_OPENGLES)
-#define API_OPENGLES2_BIT (1 << API_OPENGLES2)
-
-/* This is the big table describing all the enums we accept in
- * glGet*v(). The table is partitioned into six parts: enums
- * understood by all GL APIs (OpenGL, GLES and GLES2), enums shared
- * between OpenGL and GLES, enums exclusive to GLES, etc for the
- * remaining combinations. When we add the enums to the hash table in
- * _mesa_init_get_hash(), we only add the enums for the API we're
- * instantiating and the different sections are guarded by #if
- * FEATURE_GL etc to make sure we only compile in the enums we may
- * need. */
-
-static const struct value_desc values[] = {
- /* Enums shared between OpenGL, GLES1 and GLES2 */
- { 0, 0, TYPE_API_MASK,
- API_OPENGL_BIT | API_OPENGLES_BIT | API_OPENGLES2_BIT, NO_EXTRA},
- { GL_ALPHA_BITS, BUFFER_INT(Visual.alphaBits), extra_new_buffers },
- { GL_BLEND, CONTEXT_BIT0(Color.BlendEnabled), NO_EXTRA },
- { GL_BLEND_SRC, CONTEXT_ENUM(Color.Blend[0].SrcRGB), NO_EXTRA },
- { GL_BLUE_BITS, BUFFER_INT(Visual.blueBits), extra_new_buffers },
- { GL_COLOR_CLEAR_VALUE, CONTEXT_FIELD(Color.ClearColor[0], TYPE_FLOATN_4), NO_EXTRA },
- { GL_COLOR_WRITEMASK, LOC_CUSTOM, TYPE_INT_4, 0, NO_EXTRA },
- { GL_CULL_FACE, CONTEXT_BOOL(Polygon.CullFlag), NO_EXTRA },
- { GL_CULL_FACE_MODE, CONTEXT_ENUM(Polygon.CullFaceMode), NO_EXTRA },
- { GL_DEPTH_BITS, BUFFER_INT(Visual.depthBits), NO_EXTRA },
- { GL_DEPTH_CLEAR_VALUE, CONTEXT_FIELD(Depth.Clear, TYPE_DOUBLEN), NO_EXTRA },
- { GL_DEPTH_FUNC, CONTEXT_ENUM(Depth.Func), NO_EXTRA },
- { GL_DEPTH_RANGE, CONTEXT_FIELD(Viewport.Near, TYPE_FLOATN_2), NO_EXTRA },
- { GL_DEPTH_TEST, CONTEXT_BOOL(Depth.Test), NO_EXTRA },
- { GL_DEPTH_WRITEMASK, CONTEXT_BOOL(Depth.Mask), NO_EXTRA },
- { GL_DITHER, CONTEXT_BOOL(Color.DitherFlag), NO_EXTRA },
- { GL_FRONT_FACE, CONTEXT_ENUM(Polygon.FrontFace), NO_EXTRA },
- { GL_GREEN_BITS, BUFFER_INT(Visual.greenBits), extra_new_buffers },
- { GL_LINE_WIDTH, CONTEXT_FLOAT(Line.Width), NO_EXTRA },
- { GL_ALIASED_LINE_WIDTH_RANGE, CONTEXT_FLOAT2(Const.MinLineWidth), NO_EXTRA },
- { GL_MAX_ELEMENTS_VERTICES, CONTEXT_INT(Const.MaxArrayLockSize), NO_EXTRA },
- { GL_MAX_ELEMENTS_INDICES, CONTEXT_INT(Const.MaxArrayLockSize), NO_EXTRA },
- { GL_MAX_TEXTURE_SIZE, LOC_CUSTOM, TYPE_INT,
- offsetof(struct gl_context, Const.MaxTextureLevels), NO_EXTRA },
- { GL_MAX_VIEWPORT_DIMS, CONTEXT_INT2(Const.MaxViewportWidth), NO_EXTRA },
- { GL_PACK_ALIGNMENT, CONTEXT_INT(Pack.Alignment), NO_EXTRA },
- { GL_ALIASED_POINT_SIZE_RANGE, CONTEXT_FLOAT2(Const.MinPointSize), NO_EXTRA },
- { GL_POLYGON_OFFSET_FACTOR, CONTEXT_FLOAT(Polygon.OffsetFactor ), NO_EXTRA },
- { GL_POLYGON_OFFSET_UNITS, CONTEXT_FLOAT(Polygon.OffsetUnits ), NO_EXTRA },
- { GL_POLYGON_OFFSET_FILL, CONTEXT_BOOL(Polygon.OffsetFill), NO_EXTRA },
- { GL_RED_BITS, BUFFER_INT(Visual.redBits), extra_new_buffers },
- { GL_SCISSOR_BOX, LOC_CUSTOM, TYPE_INT_4, 0, NO_EXTRA },
- { GL_SCISSOR_TEST, CONTEXT_BOOL(Scissor.Enabled), NO_EXTRA },
- { GL_STENCIL_BITS, BUFFER_INT(Visual.stencilBits), NO_EXTRA },
- { GL_STENCIL_CLEAR_VALUE, CONTEXT_INT(Stencil.Clear), NO_EXTRA },
- { GL_STENCIL_FAIL, LOC_CUSTOM, TYPE_ENUM, NO_OFFSET, NO_EXTRA },
- { GL_STENCIL_FUNC, LOC_CUSTOM, TYPE_ENUM, NO_OFFSET, NO_EXTRA },
- { GL_STENCIL_PASS_DEPTH_FAIL, LOC_CUSTOM, TYPE_ENUM, NO_OFFSET, NO_EXTRA },
- { GL_STENCIL_PASS_DEPTH_PASS, LOC_CUSTOM, TYPE_ENUM, NO_OFFSET, NO_EXTRA },
- { GL_STENCIL_REF, LOC_CUSTOM, TYPE_INT, NO_OFFSET, NO_EXTRA },
- { GL_STENCIL_TEST, CONTEXT_BOOL(Stencil.Enabled), NO_EXTRA },
- { GL_STENCIL_VALUE_MASK, LOC_CUSTOM, TYPE_INT, NO_OFFSET, NO_EXTRA },
- { GL_STENCIL_WRITEMASK, LOC_CUSTOM, TYPE_INT, NO_OFFSET, NO_EXTRA },
- { GL_SUBPIXEL_BITS, CONTEXT_INT(Const.SubPixelBits), NO_EXTRA },
- { GL_TEXTURE_BINDING_2D, LOC_CUSTOM, TYPE_INT, TEXTURE_2D_INDEX, NO_EXTRA },
- { GL_UNPACK_ALIGNMENT, CONTEXT_INT(Unpack.Alignment), NO_EXTRA },
- { GL_VIEWPORT, LOC_CUSTOM, TYPE_INT_4, 0, NO_EXTRA },
-
- /* GL_ARB_multitexture */
- { GL_ACTIVE_TEXTURE_ARB,
- LOC_CUSTOM, TYPE_INT, 0, extra_ARB_multitexture },
-
- /* Note that all the OES_* extensions require that the Mesa "struct
- * gl_extensions" include a member with the name of the extension.
- * That structure does not yet include OES extensions (and we're
- * not sure whether it will). If it does, all the OES_*
- * extensions below should mark the dependency. */
-
- /* GL_ARB_texture_cube_map */
- { GL_TEXTURE_BINDING_CUBE_MAP_ARB, LOC_CUSTOM, TYPE_INT,
- TEXTURE_CUBE_INDEX, extra_ARB_texture_cube_map },
- { GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB, LOC_CUSTOM, TYPE_INT,
- offsetof(struct gl_context, Const.MaxCubeTextureLevels),
- extra_ARB_texture_cube_map }, /* XXX: OES_texture_cube_map */
-
- /* XXX: OES_blend_subtract */
- { GL_BLEND_SRC_RGB_EXT, CONTEXT_ENUM(Color.Blend[0].SrcRGB), NO_EXTRA },
- { GL_BLEND_DST_RGB_EXT, CONTEXT_ENUM(Color.Blend[0].DstRGB), NO_EXTRA },
- { GL_BLEND_SRC_ALPHA_EXT, CONTEXT_ENUM(Color.Blend[0].SrcA), NO_EXTRA },
- { GL_BLEND_DST_ALPHA_EXT, CONTEXT_ENUM(Color.Blend[0].DstA), NO_EXTRA },
-
- /* GL_BLEND_EQUATION_RGB, which is what we're really after, is
- * defined identically to GL_BLEND_EQUATION. */
- { GL_BLEND_EQUATION, CONTEXT_ENUM(Color.Blend[0].EquationRGB), NO_EXTRA },
- { GL_BLEND_EQUATION_ALPHA_EXT, CONTEXT_ENUM(Color.Blend[0].EquationA), NO_EXTRA },
-
- /* GL_ARB_texture_compression */
- { GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA },
- { GL_COMPRESSED_TEXTURE_FORMATS_ARB, LOC_CUSTOM, TYPE_INT_N, 0, NO_EXTRA },
-
- /* GL_ARB_multisample */
- { GL_SAMPLE_ALPHA_TO_COVERAGE_ARB,
- CONTEXT_BOOL(Multisample.SampleAlphaToCoverage), NO_EXTRA },
- { GL_SAMPLE_COVERAGE_ARB, CONTEXT_BOOL(Multisample.SampleCoverage), NO_EXTRA },
- { GL_SAMPLE_COVERAGE_VALUE_ARB,
- CONTEXT_FLOAT(Multisample.SampleCoverageValue), NO_EXTRA },
- { GL_SAMPLE_COVERAGE_INVERT_ARB,
- CONTEXT_BOOL(Multisample.SampleCoverageInvert), NO_EXTRA },
- { GL_SAMPLE_BUFFERS_ARB, BUFFER_INT(Visual.sampleBuffers), NO_EXTRA },
- { GL_SAMPLES_ARB, BUFFER_INT(Visual.samples), NO_EXTRA },
-
- /* GL_SGIS_generate_mipmap */
- { GL_GENERATE_MIPMAP_HINT_SGIS, CONTEXT_ENUM(Hint.GenerateMipmap),
- extra_SGIS_generate_mipmap },
-
- /* GL_ARB_vertex_buffer_object */
- { GL_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA },
-
- /* GL_ARB_vertex_buffer_object */
- /* GL_WEIGHT_ARRAY_BUFFER_BINDING_ARB - not supported */
- { GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT, 0,
- extra_ARB_vertex_buffer_object },
-
- /* GL_ARB_copy_buffer */
- { GL_COPY_READ_BUFFER, LOC_CUSTOM, TYPE_INT, 0, extra_ARB_copy_buffer },
- { GL_COPY_WRITE_BUFFER, LOC_CUSTOM, TYPE_INT, 0, extra_ARB_copy_buffer },
-
- /* GL_OES_read_format */
- { GL_IMPLEMENTATION_COLOR_READ_TYPE_OES, LOC_CUSTOM, TYPE_INT, 0,
- extra_new_buffers_OES_read_format },
- { GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES, LOC_CUSTOM, TYPE_INT, 0,
- extra_new_buffers_OES_read_format },
-
- /* GL_EXT_framebuffer_object */
- { GL_FRAMEBUFFER_BINDING_EXT, BUFFER_INT(Name),
- extra_EXT_framebuffer_object },
- { GL_RENDERBUFFER_BINDING_EXT, LOC_CUSTOM, TYPE_INT, 0,
- extra_EXT_framebuffer_object },
- { GL_MAX_RENDERBUFFER_SIZE_EXT, CONTEXT_INT(Const.MaxRenderbufferSize),
- extra_EXT_framebuffer_object },
-
- /* This entry isn't spec'ed for GLES 2, but is needed for Mesa's
- * GLSL: */
- { GL_MAX_CLIP_PLANES, CONTEXT_INT(Const.MaxClipPlanes), NO_EXTRA },
-
-#if FEATURE_GL || FEATURE_ES1
- /* Enums in OpenGL and GLES1 */
- { 0, 0, TYPE_API_MASK, API_OPENGL_BIT | API_OPENGLES_BIT, NO_EXTRA },
- { GL_LIGHT0, CONTEXT_BOOL(Light.Light[0].Enabled), NO_EXTRA },
- { GL_LIGHT1, CONTEXT_BOOL(Light.Light[1].Enabled), NO_EXTRA },
- { GL_LIGHT2, CONTEXT_BOOL(Light.Light[2].Enabled), NO_EXTRA },
- { GL_LIGHT3, CONTEXT_BOOL(Light.Light[3].Enabled), NO_EXTRA },
- { GL_LIGHT4, CONTEXT_BOOL(Light.Light[4].Enabled), NO_EXTRA },
- { GL_LIGHT5, CONTEXT_BOOL(Light.Light[5].Enabled), NO_EXTRA },
- { GL_LIGHT6, CONTEXT_BOOL(Light.Light[6].Enabled), NO_EXTRA },
- { GL_LIGHT7, CONTEXT_BOOL(Light.Light[7].Enabled), NO_EXTRA },
- { GL_LIGHTING, CONTEXT_BOOL(Light.Enabled), NO_EXTRA },
- { GL_LIGHT_MODEL_AMBIENT,
- CONTEXT_FIELD(Light.Model.Ambient[0], TYPE_FLOATN_4), NO_EXTRA },
- { GL_LIGHT_MODEL_TWO_SIDE, CONTEXT_BOOL(Light.Model.TwoSide), NO_EXTRA },
- { GL_ALPHA_TEST, CONTEXT_BOOL(Color.AlphaEnabled), NO_EXTRA },
- { GL_ALPHA_TEST_FUNC, CONTEXT_ENUM(Color.AlphaFunc), NO_EXTRA },
- { GL_ALPHA_TEST_REF, CONTEXT_FIELD(Color.AlphaRef, TYPE_FLOATN), NO_EXTRA },
- { GL_BLEND_DST, CONTEXT_ENUM(Color.Blend[0].DstRGB), NO_EXTRA },
- { GL_CLIP_PLANE0, CONTEXT_BIT0(Transform.ClipPlanesEnabled), NO_EXTRA },
- { GL_CLIP_PLANE1, CONTEXT_BIT1(Transform.ClipPlanesEnabled), NO_EXTRA },
- { GL_CLIP_PLANE2, CONTEXT_BIT2(Transform.ClipPlanesEnabled), NO_EXTRA },
- { GL_CLIP_PLANE3, CONTEXT_BIT3(Transform.ClipPlanesEnabled), NO_EXTRA },
- { GL_CLIP_PLANE4, CONTEXT_BIT4(Transform.ClipPlanesEnabled), NO_EXTRA },
- { GL_CLIP_PLANE5, CONTEXT_BIT5(Transform.ClipPlanesEnabled), NO_EXTRA },
- { GL_COLOR_MATERIAL, CONTEXT_BOOL(Light.ColorMaterialEnabled), NO_EXTRA },
- { GL_CURRENT_COLOR,
- CONTEXT_FIELD(Current.Attrib[VERT_ATTRIB_COLOR0][0], TYPE_FLOATN_4),
- extra_flush_current },
- { GL_CURRENT_NORMAL,
- CONTEXT_FIELD(Current.Attrib[VERT_ATTRIB_NORMAL][0], TYPE_FLOATN_3),
- extra_flush_current },
- { GL_CURRENT_TEXTURE_COORDS, LOC_CUSTOM, TYPE_FLOAT_4, 0,
- extra_flush_current_valid_texture_unit },
- { GL_DISTANCE_ATTENUATION_EXT, CONTEXT_FLOAT3(Point.Params[0]), NO_EXTRA },
- { GL_FOG, CONTEXT_BOOL(Fog.Enabled), NO_EXTRA },
- { GL_FOG_COLOR, CONTEXT_FIELD(Fog.Color[0], TYPE_FLOATN_4), NO_EXTRA },
- { GL_FOG_DENSITY, CONTEXT_FLOAT(Fog.Density), NO_EXTRA },
- { GL_FOG_END, CONTEXT_FLOAT(Fog.End), NO_EXTRA },
- { GL_FOG_HINT, CONTEXT_ENUM(Hint.Fog), NO_EXTRA },
- { GL_FOG_MODE, CONTEXT_ENUM(Fog.Mode), NO_EXTRA },
- { GL_FOG_START, CONTEXT_FLOAT(Fog.Start), NO_EXTRA },
- { GL_LINE_SMOOTH, CONTEXT_BOOL(Line.SmoothFlag), NO_EXTRA },
- { GL_LINE_SMOOTH_HINT, CONTEXT_ENUM(Hint.LineSmooth), NO_EXTRA },
- { GL_LINE_WIDTH_RANGE, CONTEXT_FLOAT2(Const.MinLineWidthAA), NO_EXTRA },
- { GL_COLOR_LOGIC_OP, CONTEXT_BOOL(Color.ColorLogicOpEnabled), NO_EXTRA },
- { GL_LOGIC_OP_MODE, CONTEXT_ENUM(Color.LogicOp), NO_EXTRA },
- { GL_MATRIX_MODE, CONTEXT_ENUM(Transform.MatrixMode), NO_EXTRA },
- { GL_MAX_MODELVIEW_STACK_DEPTH, CONST(MAX_MODELVIEW_STACK_DEPTH), NO_EXTRA },
- { GL_MAX_PROJECTION_STACK_DEPTH, CONST(MAX_PROJECTION_STACK_DEPTH), NO_EXTRA },
- { GL_MAX_TEXTURE_STACK_DEPTH, CONST(MAX_TEXTURE_STACK_DEPTH), NO_EXTRA },
- { GL_MODELVIEW_MATRIX, CONTEXT_MATRIX(ModelviewMatrixStack.Top), NO_EXTRA },
- { GL_MODELVIEW_STACK_DEPTH, LOC_CUSTOM, TYPE_INT,
- offsetof(struct gl_context, ModelviewMatrixStack.Depth), NO_EXTRA },
- { GL_NORMALIZE, CONTEXT_BOOL(Transform.Normalize), NO_EXTRA },
- { GL_PACK_SKIP_IMAGES_EXT, CONTEXT_INT(Pack.SkipImages), NO_EXTRA },
- { GL_PERSPECTIVE_CORRECTION_HINT, CONTEXT_ENUM(Hint.PerspectiveCorrection), NO_EXTRA },
- { GL_POINT_SIZE, CONTEXT_FLOAT(Point.Size), NO_EXTRA },
- { GL_POINT_SIZE_RANGE, CONTEXT_FLOAT2(Const.MinPointSizeAA), NO_EXTRA },
- { GL_POINT_SMOOTH, CONTEXT_BOOL(Point.SmoothFlag), NO_EXTRA },
- { GL_POINT_SMOOTH_HINT, CONTEXT_ENUM(Hint.PointSmooth), NO_EXTRA },
- { GL_POINT_SIZE_MIN_EXT, CONTEXT_FLOAT(Point.MinSize), NO_EXTRA },
- { GL_POINT_SIZE_MAX_EXT, CONTEXT_FLOAT(Point.MaxSize), NO_EXTRA },
- { GL_POINT_FADE_THRESHOLD_SIZE_EXT, CONTEXT_FLOAT(Point.Threshold), NO_EXTRA },
- { GL_PROJECTION_MATRIX, CONTEXT_MATRIX(ProjectionMatrixStack.Top), NO_EXTRA },
- { GL_PROJECTION_STACK_DEPTH, LOC_CUSTOM, TYPE_INT,
- offsetof(struct gl_context, ProjectionMatrixStack.Depth), NO_EXTRA },
- { GL_RESCALE_NORMAL, CONTEXT_BOOL(Transform.RescaleNormals), NO_EXTRA },
- { GL_SHADE_MODEL, CONTEXT_ENUM(Light.ShadeModel), NO_EXTRA },
- { GL_TEXTURE_2D, LOC_CUSTOM, TYPE_BOOLEAN, 0, NO_EXTRA },
- { GL_TEXTURE_MATRIX, LOC_CUSTOM, TYPE_MATRIX, 0, extra_valid_texture_unit },
- { GL_TEXTURE_STACK_DEPTH, LOC_CUSTOM, TYPE_INT, 0,
- extra_valid_texture_unit },
-
- { GL_VERTEX_ARRAY, ARRAY_BOOL(Vertex.Enabled), NO_EXTRA },
- { GL_VERTEX_ARRAY_SIZE, ARRAY_INT(Vertex.Size), NO_EXTRA },
- { GL_VERTEX_ARRAY_TYPE, ARRAY_ENUM(Vertex.Type), NO_EXTRA },
- { GL_VERTEX_ARRAY_STRIDE, ARRAY_INT(Vertex.Stride), NO_EXTRA },
- { GL_NORMAL_ARRAY, ARRAY_BOOL(Normal.Enabled), NO_EXTRA },
- { GL_NORMAL_ARRAY_TYPE, ARRAY_ENUM(Normal.Type), NO_EXTRA },
- { GL_NORMAL_ARRAY_STRIDE, ARRAY_INT(Normal.Stride), NO_EXTRA },
- { GL_COLOR_ARRAY, ARRAY_BOOL(Color.Enabled), NO_EXTRA },
- { GL_COLOR_ARRAY_SIZE, ARRAY_INT(Color.Size), NO_EXTRA },
- { GL_COLOR_ARRAY_TYPE, ARRAY_ENUM(Color.Type), NO_EXTRA },
- { GL_COLOR_ARRAY_STRIDE, ARRAY_INT(Color.Stride), NO_EXTRA },
- { GL_TEXTURE_COORD_ARRAY,
- LOC_CUSTOM, TYPE_BOOLEAN, offsetof(struct gl_client_array, Enabled), NO_EXTRA },
- { GL_TEXTURE_COORD_ARRAY_SIZE,
- LOC_CUSTOM, TYPE_INT, offsetof(struct gl_client_array, Size), NO_EXTRA },
- { GL_TEXTURE_COORD_ARRAY_TYPE,
- LOC_CUSTOM, TYPE_ENUM, offsetof(struct gl_client_array, Type), NO_EXTRA },
- { GL_TEXTURE_COORD_ARRAY_STRIDE,
- LOC_CUSTOM, TYPE_INT, offsetof(struct gl_client_array, Stride), NO_EXTRA },
-
- /* GL_ARB_ES2_compatibility */
- { GL_SHADER_COMPILER, CONST(1), extra_ARB_ES2_compatibility },
- { GL_MAX_VARYING_VECTORS, CONTEXT_INT(Const.MaxVarying),
- extra_ARB_ES2_compatibility },
- { GL_MAX_VERTEX_UNIFORM_VECTORS, LOC_CUSTOM, TYPE_INT, 0,
- extra_ARB_ES2_compatibility },
- { GL_MAX_FRAGMENT_UNIFORM_VECTORS, LOC_CUSTOM, TYPE_INT, 0,
- extra_ARB_ES2_compatibility },
-
- /* GL_ARB_multitexture */
- { GL_MAX_TEXTURE_UNITS_ARB,
- CONTEXT_INT(Const.MaxTextureUnits), extra_ARB_multitexture },
- { GL_CLIENT_ACTIVE_TEXTURE_ARB,
- LOC_CUSTOM, TYPE_INT, 0, extra_ARB_multitexture },
-
- /* GL_ARB_texture_cube_map */
- { GL_TEXTURE_CUBE_MAP_ARB, LOC_CUSTOM, TYPE_BOOLEAN, 0, NO_EXTRA },
- /* S, T, and R are always set at the same time */
- { GL_TEXTURE_GEN_STR_OES, LOC_TEXUNIT, TYPE_BIT_0,
- offsetof(struct gl_texture_unit, TexGenEnabled), NO_EXTRA },
-
- /* GL_ARB_multisample */
- { GL_MULTISAMPLE_ARB, CONTEXT_BOOL(Multisample.Enabled), NO_EXTRA },
- { GL_SAMPLE_ALPHA_TO_ONE_ARB, CONTEXT_BOOL(Multisample.SampleAlphaToOne), NO_EXTRA },
-
- /* GL_ARB_vertex_buffer_object */
- { GL_VERTEX_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
- offsetof(struct gl_array_object, Vertex.BufferObj), NO_EXTRA },
- { GL_NORMAL_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
- offsetof(struct gl_array_object, Normal.BufferObj), NO_EXTRA },
- { GL_COLOR_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
- offsetof(struct gl_array_object, Color.BufferObj), NO_EXTRA },
- { GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT, NO_OFFSET, NO_EXTRA },
-
- /* GL_OES_point_sprite */
- { GL_POINT_SPRITE_NV,
- CONTEXT_BOOL(Point.PointSprite),
- extra_NV_point_sprite_ARB_point_sprite },
-
- /* GL_ARB_fragment_shader */
- { GL_MAX_FRAGMENT_UNIFORM_COMPONENTS_ARB,
- CONTEXT_INT(Const.FragmentProgram.MaxUniformComponents),
- extra_ARB_fragment_shader },
-
- /* GL_ARB_vertex_shader */
- { GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB,
- CONTEXT_INT(Const.VertexProgram.MaxUniformComponents),
- extra_ARB_vertex_shader },
- { GL_MAX_VARYING_FLOATS_ARB, LOC_CUSTOM, TYPE_INT, 0,
- extra_ARB_vertex_shader },
-
- /* GL_EXT_texture_lod_bias */
- { GL_MAX_TEXTURE_LOD_BIAS_EXT, CONTEXT_FLOAT(Const.MaxTextureLodBias),
- extra_EXT_texture_lod_bias },
-
- /* GL_EXT_texture_filter_anisotropic */
- { GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT,
- CONTEXT_FLOAT(Const.MaxTextureMaxAnisotropy),
- extra_EXT_texture_filter_anisotropic },
-#endif /* FEATURE_GL || FEATURE_ES1 */
-
-#if FEATURE_ES1
- { 0, 0, TYPE_API_MASK, API_OPENGLES_BIT },
- /* XXX: OES_matrix_get */
- { GL_MODELVIEW_MATRIX_FLOAT_AS_INT_BITS_OES },
- { GL_PROJECTION_MATRIX_FLOAT_AS_INT_BITS_OES },
- { GL_TEXTURE_MATRIX_FLOAT_AS_INT_BITS_OES },
-
- /* OES_point_size_array */
- { GL_POINT_SIZE_ARRAY_OES, ARRAY_FIELD(PointSize.Enabled, TYPE_BOOLEAN) },
- { GL_POINT_SIZE_ARRAY_TYPE_OES, ARRAY_FIELD(PointSize.Type, TYPE_ENUM) },
- { GL_POINT_SIZE_ARRAY_STRIDE_OES, ARRAY_FIELD(PointSize.Stride, TYPE_INT) },
- { GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES, LOC_CUSTOM, TYPE_INT, 0 },
-#endif /* FEATURE_ES1 */
-
-#if FEATURE_GL || FEATURE_ES2
- { 0, 0, TYPE_API_MASK, API_OPENGL_BIT | API_OPENGLES2_BIT, NO_EXTRA },
- /* This entry isn't spec'ed for GLES 2, but is needed for Mesa's GLSL: */
- { GL_MAX_LIGHTS, CONTEXT_INT(Const.MaxLights), NO_EXTRA },
- { GL_MAX_TEXTURE_COORDS_ARB, /* == GL_MAX_TEXTURE_COORDS_NV */
- CONTEXT_INT(Const.MaxTextureCoordUnits),
- extra_ARB_fragment_program_NV_fragment_program },
-
- /* GL_ARB_draw_buffers */
- { GL_MAX_DRAW_BUFFERS_ARB, CONTEXT_INT(Const.MaxDrawBuffers), NO_EXTRA },
-
- { GL_BLEND_COLOR_EXT, CONTEXT_FIELD(Color.BlendColor[0], TYPE_FLOATN_4), NO_EXTRA },
- /* GL_ARB_fragment_program */
- { GL_MAX_TEXTURE_IMAGE_UNITS_ARB, /* == GL_MAX_TEXTURE_IMAGE_UNITS_NV */
- CONTEXT_INT(Const.MaxTextureImageUnits),
- extra_ARB_fragment_program_NV_fragment_program },
- { GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB,
- CONTEXT_INT(Const.MaxVertexTextureImageUnits), extra_ARB_vertex_shader },
- { GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS_ARB,
- CONTEXT_INT(Const.MaxCombinedTextureImageUnits),
- extra_ARB_vertex_shader },
-
- /* GL_ARB_shader_objects
- * Actually, this token isn't part of GL_ARB_shader_objects, but is
- * close enough for now. */
- { GL_CURRENT_PROGRAM, LOC_CUSTOM, TYPE_INT, 0, extra_ARB_shader_objects },
-
- /* OpenGL 2.0 */
- { GL_STENCIL_BACK_FUNC, CONTEXT_ENUM(Stencil.Function[1]), NO_EXTRA },
- { GL_STENCIL_BACK_VALUE_MASK, CONTEXT_INT(Stencil.ValueMask[1]), NO_EXTRA },
- { GL_STENCIL_BACK_WRITEMASK, CONTEXT_INT(Stencil.WriteMask[1]), NO_EXTRA },
- { GL_STENCIL_BACK_REF, CONTEXT_INT(Stencil.Ref[1]), NO_EXTRA },
- { GL_STENCIL_BACK_FAIL, CONTEXT_ENUM(Stencil.FailFunc[1]), NO_EXTRA },
- { GL_STENCIL_BACK_PASS_DEPTH_FAIL, CONTEXT_ENUM(Stencil.ZFailFunc[1]), NO_EXTRA },
- { GL_STENCIL_BACK_PASS_DEPTH_PASS, CONTEXT_ENUM(Stencil.ZPassFunc[1]), NO_EXTRA },
-
- { GL_MAX_VERTEX_ATTRIBS_ARB,
- CONTEXT_INT(Const.VertexProgram.MaxAttribs),
- extra_ARB_vertex_program_version_es2 },
-
- /* OES_texture_3D */
- { GL_TEXTURE_BINDING_3D, LOC_CUSTOM, TYPE_INT, TEXTURE_3D_INDEX, NO_EXTRA },
- { GL_MAX_3D_TEXTURE_SIZE, LOC_CUSTOM, TYPE_INT,
- offsetof(struct gl_context, Const.Max3DTextureLevels), NO_EXTRA },
-
- /* GL_ARB_fragment_program/OES_standard_derivatives */
- { GL_FRAGMENT_SHADER_DERIVATIVE_HINT_ARB,
- CONTEXT_ENUM(Hint.FragmentShaderDerivative), extra_ARB_fragment_shader },
-#endif /* FEATURE_GL || FEATURE_ES2 */
-
-#if FEATURE_ES2
- /* Enums unique to OpenGL ES 2.0 */
- { 0, 0, TYPE_API_MASK, API_OPENGLES2_BIT, NO_EXTRA },
- { GL_MAX_FRAGMENT_UNIFORM_VECTORS, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA },
- { GL_MAX_VARYING_VECTORS, CONTEXT_INT(Const.MaxVarying), NO_EXTRA },
- { GL_MAX_VERTEX_UNIFORM_VECTORS, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA },
- { GL_SHADER_COMPILER, CONST(1), NO_EXTRA },
- /* OES_get_program_binary */
- { GL_NUM_SHADER_BINARY_FORMATS, CONST(0), NO_EXTRA },
- { GL_SHADER_BINARY_FORMATS, CONST(0), NO_EXTRA },
-#endif /* FEATURE_ES2 */
-
-#if FEATURE_GL
- /* Remaining enums are only in OpenGL */
- { 0, 0, TYPE_API_MASK, API_OPENGL_BIT, NO_EXTRA },
- { GL_ACCUM_RED_BITS, BUFFER_INT(Visual.accumRedBits), NO_EXTRA },
- { GL_ACCUM_GREEN_BITS, BUFFER_INT(Visual.accumGreenBits), NO_EXTRA },
- { GL_ACCUM_BLUE_BITS, BUFFER_INT(Visual.accumBlueBits), NO_EXTRA },
- { GL_ACCUM_ALPHA_BITS, BUFFER_INT(Visual.accumAlphaBits), NO_EXTRA },
- { GL_ACCUM_CLEAR_VALUE, CONTEXT_FIELD(Accum.ClearColor[0], TYPE_FLOATN_4), NO_EXTRA },
- { GL_ALPHA_BIAS, CONTEXT_FLOAT(Pixel.AlphaBias), NO_EXTRA },
- { GL_ALPHA_SCALE, CONTEXT_FLOAT(Pixel.AlphaScale), NO_EXTRA },
- { GL_ATTRIB_STACK_DEPTH, CONTEXT_INT(AttribStackDepth), NO_EXTRA },
- { GL_AUTO_NORMAL, CONTEXT_BOOL(Eval.AutoNormal), NO_EXTRA },
- { GL_AUX_BUFFERS, BUFFER_INT(Visual.numAuxBuffers), NO_EXTRA },
- { GL_BLUE_BIAS, CONTEXT_FLOAT(Pixel.BlueBias), NO_EXTRA },
- { GL_BLUE_SCALE, CONTEXT_FLOAT(Pixel.BlueScale), NO_EXTRA },
- { GL_CLIENT_ATTRIB_STACK_DEPTH, CONTEXT_INT(ClientAttribStackDepth), NO_EXTRA },
- { GL_COLOR_MATERIAL_FACE, CONTEXT_ENUM(Light.ColorMaterialFace), NO_EXTRA },
- { GL_COLOR_MATERIAL_PARAMETER, CONTEXT_ENUM(Light.ColorMaterialMode), NO_EXTRA },
- { GL_CURRENT_INDEX,
- CONTEXT_FLOAT(Current.Attrib[VERT_ATTRIB_COLOR_INDEX][0]),
- extra_flush_current },
- { GL_CURRENT_RASTER_COLOR,
- CONTEXT_FIELD(Current.RasterColor[0], TYPE_FLOATN_4), NO_EXTRA },
- { GL_CURRENT_RASTER_DISTANCE, CONTEXT_FLOAT(Current.RasterDistance), NO_EXTRA },
- { GL_CURRENT_RASTER_INDEX, CONST(1), NO_EXTRA },
- { GL_CURRENT_RASTER_POSITION, CONTEXT_FLOAT4(Current.RasterPos[0]), NO_EXTRA },
- { GL_CURRENT_RASTER_SECONDARY_COLOR,
- CONTEXT_FIELD(Current.RasterSecondaryColor[0], TYPE_FLOATN_4), NO_EXTRA },
- { GL_CURRENT_RASTER_TEXTURE_COORDS, LOC_CUSTOM, TYPE_FLOAT_4, 0,
- extra_valid_texture_unit },
- { GL_CURRENT_RASTER_POSITION_VALID, CONTEXT_BOOL(Current.RasterPosValid), NO_EXTRA },
- { GL_DEPTH_BIAS, CONTEXT_FLOAT(Pixel.DepthBias), NO_EXTRA },
- { GL_DEPTH_SCALE, CONTEXT_FLOAT(Pixel.DepthScale), NO_EXTRA },
- { GL_DOUBLEBUFFER, BUFFER_INT(Visual.doubleBufferMode), NO_EXTRA },
- { GL_DRAW_BUFFER, BUFFER_ENUM(ColorDrawBuffer[0]), NO_EXTRA },
- { GL_EDGE_FLAG, LOC_CUSTOM, TYPE_BOOLEAN, 0, NO_EXTRA },
- { GL_FEEDBACK_BUFFER_SIZE, CONTEXT_INT(Feedback.BufferSize), NO_EXTRA },
- { GL_FEEDBACK_BUFFER_TYPE, CONTEXT_ENUM(Feedback.Type), NO_EXTRA },
- { GL_FOG_INDEX, CONTEXT_FLOAT(Fog.Index), NO_EXTRA },
- { GL_GREEN_BIAS, CONTEXT_FLOAT(Pixel.GreenBias), NO_EXTRA },
- { GL_GREEN_SCALE, CONTEXT_FLOAT(Pixel.GreenScale), NO_EXTRA },
- { GL_INDEX_BITS, BUFFER_INT(Visual.indexBits), extra_new_buffers },
- { GL_INDEX_CLEAR_VALUE, CONTEXT_INT(Color.ClearIndex), NO_EXTRA },
- { GL_INDEX_MODE, CONST(0) , NO_EXTRA},
- { GL_INDEX_OFFSET, CONTEXT_INT(Pixel.IndexOffset), NO_EXTRA },
- { GL_INDEX_SHIFT, CONTEXT_INT(Pixel.IndexShift), NO_EXTRA },
- { GL_INDEX_WRITEMASK, CONTEXT_INT(Color.IndexMask), NO_EXTRA },
- { GL_LIGHT_MODEL_COLOR_CONTROL, CONTEXT_ENUM(Light.Model.ColorControl), NO_EXTRA },
- { GL_LIGHT_MODEL_LOCAL_VIEWER, CONTEXT_BOOL(Light.Model.LocalViewer), NO_EXTRA },
- { GL_LINE_STIPPLE, CONTEXT_BOOL(Line.StippleFlag), NO_EXTRA },
- { GL_LINE_STIPPLE_PATTERN, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA },
- { GL_LINE_STIPPLE_REPEAT, CONTEXT_INT(Line.StippleFactor), NO_EXTRA },
- { GL_LINE_WIDTH_GRANULARITY, CONTEXT_FLOAT(Const.LineWidthGranularity), NO_EXTRA },
- { GL_LIST_BASE, CONTEXT_INT(List.ListBase), NO_EXTRA },
- { GL_LIST_INDEX, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA },
- { GL_LIST_MODE, LOC_CUSTOM, TYPE_ENUM, 0, NO_EXTRA },
- { GL_INDEX_LOGIC_OP, CONTEXT_BOOL(Color.IndexLogicOpEnabled), NO_EXTRA },
- { GL_MAP1_COLOR_4, CONTEXT_BOOL(Eval.Map1Color4), NO_EXTRA },
- { GL_MAP1_GRID_DOMAIN, CONTEXT_FLOAT2(Eval.MapGrid1u1), NO_EXTRA },
- { GL_MAP1_GRID_SEGMENTS, CONTEXT_INT(Eval.MapGrid1un), NO_EXTRA },
- { GL_MAP1_INDEX, CONTEXT_BOOL(Eval.Map1Index), NO_EXTRA },
- { GL_MAP1_NORMAL, CONTEXT_BOOL(Eval.Map1Normal), NO_EXTRA },
- { GL_MAP1_TEXTURE_COORD_1, CONTEXT_BOOL(Eval.Map1TextureCoord1), NO_EXTRA },
- { GL_MAP1_TEXTURE_COORD_2, CONTEXT_BOOL(Eval.Map1TextureCoord2), NO_EXTRA },
- { GL_MAP1_TEXTURE_COORD_3, CONTEXT_BOOL(Eval.Map1TextureCoord3), NO_EXTRA },
- { GL_MAP1_TEXTURE_COORD_4, CONTEXT_BOOL(Eval.Map1TextureCoord4), NO_EXTRA },
- { GL_MAP1_VERTEX_3, CONTEXT_BOOL(Eval.Map1Vertex3), NO_EXTRA },
- { GL_MAP1_VERTEX_4, CONTEXT_BOOL(Eval.Map1Vertex4), NO_EXTRA },
- { GL_MAP2_COLOR_4, CONTEXT_BOOL(Eval.Map2Color4), NO_EXTRA },
- { GL_MAP2_GRID_DOMAIN, LOC_CUSTOM, TYPE_FLOAT_4, 0, NO_EXTRA },
- { GL_MAP2_GRID_SEGMENTS, CONTEXT_INT2(Eval.MapGrid2un), NO_EXTRA },
- { GL_MAP2_INDEX, CONTEXT_BOOL(Eval.Map2Index), NO_EXTRA },
- { GL_MAP2_NORMAL, CONTEXT_BOOL(Eval.Map2Normal), NO_EXTRA },
- { GL_MAP2_TEXTURE_COORD_1, CONTEXT_BOOL(Eval.Map2TextureCoord1), NO_EXTRA },
- { GL_MAP2_TEXTURE_COORD_2, CONTEXT_BOOL(Eval.Map2TextureCoord2), NO_EXTRA },
- { GL_MAP2_TEXTURE_COORD_3, CONTEXT_BOOL(Eval.Map2TextureCoord3), NO_EXTRA },
- { GL_MAP2_TEXTURE_COORD_4, CONTEXT_BOOL(Eval.Map2TextureCoord4), NO_EXTRA },
- { GL_MAP2_VERTEX_3, CONTEXT_BOOL(Eval.Map2Vertex3), NO_EXTRA },
- { GL_MAP2_VERTEX_4, CONTEXT_BOOL(Eval.Map2Vertex4), NO_EXTRA },
- { GL_MAP_COLOR, CONTEXT_BOOL(Pixel.MapColorFlag), NO_EXTRA },
- { GL_MAP_STENCIL, CONTEXT_BOOL(Pixel.MapStencilFlag), NO_EXTRA },
- { GL_MAX_ATTRIB_STACK_DEPTH, CONST(MAX_ATTRIB_STACK_DEPTH), NO_EXTRA },
- { GL_MAX_CLIENT_ATTRIB_STACK_DEPTH, CONST(MAX_CLIENT_ATTRIB_STACK_DEPTH), NO_EXTRA },
-
- { GL_MAX_EVAL_ORDER, CONST(MAX_EVAL_ORDER), NO_EXTRA },
- { GL_MAX_LIST_NESTING, CONST(MAX_LIST_NESTING), NO_EXTRA },
- { GL_MAX_NAME_STACK_DEPTH, CONST(MAX_NAME_STACK_DEPTH), NO_EXTRA },
- { GL_MAX_PIXEL_MAP_TABLE, CONST(MAX_PIXEL_MAP_TABLE), NO_EXTRA },
- { GL_NAME_STACK_DEPTH, CONTEXT_INT(Select.NameStackDepth), NO_EXTRA },
- { GL_PACK_LSB_FIRST, CONTEXT_BOOL(Pack.LsbFirst), NO_EXTRA },
- { GL_PACK_ROW_LENGTH, CONTEXT_INT(Pack.RowLength), NO_EXTRA },
- { GL_PACK_SKIP_PIXELS, CONTEXT_INT(Pack.SkipPixels), NO_EXTRA },
- { GL_PACK_SKIP_ROWS, CONTEXT_INT(Pack.SkipRows), NO_EXTRA },
- { GL_PACK_SWAP_BYTES, CONTEXT_BOOL(Pack.SwapBytes), NO_EXTRA },
- { GL_PACK_IMAGE_HEIGHT_EXT, CONTEXT_INT(Pack.ImageHeight), NO_EXTRA },
- { GL_PACK_INVERT_MESA, CONTEXT_BOOL(Pack.Invert), NO_EXTRA },
- { GL_PIXEL_MAP_A_TO_A_SIZE, CONTEXT_INT(PixelMaps.AtoA.Size), NO_EXTRA },
- { GL_PIXEL_MAP_B_TO_B_SIZE, CONTEXT_INT(PixelMaps.BtoB.Size), NO_EXTRA },
- { GL_PIXEL_MAP_G_TO_G_SIZE, CONTEXT_INT(PixelMaps.GtoG.Size), NO_EXTRA },
- { GL_PIXEL_MAP_I_TO_A_SIZE, CONTEXT_INT(PixelMaps.ItoA.Size), NO_EXTRA },
- { GL_PIXEL_MAP_I_TO_B_SIZE, CONTEXT_INT(PixelMaps.ItoB.Size), NO_EXTRA },
- { GL_PIXEL_MAP_I_TO_G_SIZE, CONTEXT_INT(PixelMaps.ItoG.Size), NO_EXTRA },
- { GL_PIXEL_MAP_I_TO_I_SIZE, CONTEXT_INT(PixelMaps.ItoI.Size), NO_EXTRA },
- { GL_PIXEL_MAP_I_TO_R_SIZE, CONTEXT_INT(PixelMaps.ItoR.Size), NO_EXTRA },
- { GL_PIXEL_MAP_R_TO_R_SIZE, CONTEXT_INT(PixelMaps.RtoR.Size), NO_EXTRA },
- { GL_PIXEL_MAP_S_TO_S_SIZE, CONTEXT_INT(PixelMaps.StoS.Size), NO_EXTRA },
- { GL_POINT_SIZE_GRANULARITY, CONTEXT_FLOAT(Const.PointSizeGranularity), NO_EXTRA },
- { GL_POLYGON_MODE, CONTEXT_ENUM2(Polygon.FrontMode), NO_EXTRA },
- { GL_POLYGON_OFFSET_BIAS_EXT, CONTEXT_FLOAT(Polygon.OffsetUnits), NO_EXTRA },
- { GL_POLYGON_OFFSET_POINT, CONTEXT_BOOL(Polygon.OffsetPoint), NO_EXTRA },
- { GL_POLYGON_OFFSET_LINE, CONTEXT_BOOL(Polygon.OffsetLine), NO_EXTRA },
- { GL_POLYGON_SMOOTH, CONTEXT_BOOL(Polygon.SmoothFlag), NO_EXTRA },
- { GL_POLYGON_SMOOTH_HINT, CONTEXT_ENUM(Hint.PolygonSmooth), NO_EXTRA },
- { GL_POLYGON_STIPPLE, CONTEXT_BOOL(Polygon.StippleFlag), NO_EXTRA },
- { GL_READ_BUFFER, LOC_CUSTOM, TYPE_ENUM, NO_OFFSET, NO_EXTRA },
- { GL_RED_BIAS, CONTEXT_FLOAT(Pixel.RedBias), NO_EXTRA },
- { GL_RED_SCALE, CONTEXT_FLOAT(Pixel.RedScale), NO_EXTRA },
- { GL_RENDER_MODE, CONTEXT_ENUM(RenderMode), NO_EXTRA },
- { GL_RGBA_MODE, CONST(1), NO_EXTRA },
- { GL_SELECTION_BUFFER_SIZE, CONTEXT_INT(Select.BufferSize), NO_EXTRA },
- { GL_SHARED_TEXTURE_PALETTE_EXT, CONTEXT_BOOL(Texture.SharedPalette), NO_EXTRA },
-
- { GL_STEREO, BUFFER_INT(Visual.stereoMode), NO_EXTRA },
-
- { GL_TEXTURE_1D, LOC_CUSTOM, TYPE_BOOLEAN, NO_OFFSET, NO_EXTRA },
- { GL_TEXTURE_3D, LOC_CUSTOM, TYPE_BOOLEAN, NO_OFFSET, NO_EXTRA },
- { GL_TEXTURE_1D_ARRAY_EXT, LOC_CUSTOM, TYPE_BOOLEAN, NO_OFFSET, NO_EXTRA },
- { GL_TEXTURE_2D_ARRAY_EXT, LOC_CUSTOM, TYPE_BOOLEAN, NO_OFFSET, NO_EXTRA },
-
- { GL_TEXTURE_BINDING_1D, LOC_CUSTOM, TYPE_INT, TEXTURE_1D_INDEX, NO_EXTRA },
- { GL_TEXTURE_BINDING_1D_ARRAY, LOC_CUSTOM, TYPE_INT,
- TEXTURE_1D_ARRAY_INDEX, extra_MESA_texture_array },
- { GL_TEXTURE_BINDING_2D_ARRAY, LOC_CUSTOM, TYPE_INT,
- TEXTURE_1D_ARRAY_INDEX, extra_MESA_texture_array },
- { GL_MAX_ARRAY_TEXTURE_LAYERS_EXT,
- CONTEXT_INT(Const.MaxArrayTextureLayers), extra_MESA_texture_array },
-
- { GL_TEXTURE_GEN_S, LOC_TEXUNIT, TYPE_BIT_0,
- offsetof(struct gl_texture_unit, TexGenEnabled), NO_EXTRA },
- { GL_TEXTURE_GEN_T, LOC_TEXUNIT, TYPE_BIT_1,
- offsetof(struct gl_texture_unit, TexGenEnabled), NO_EXTRA },
- { GL_TEXTURE_GEN_R, LOC_TEXUNIT, TYPE_BIT_2,
- offsetof(struct gl_texture_unit, TexGenEnabled), NO_EXTRA },
- { GL_TEXTURE_GEN_Q, LOC_TEXUNIT, TYPE_BIT_3,
- offsetof(struct gl_texture_unit, TexGenEnabled), NO_EXTRA },
- { GL_UNPACK_LSB_FIRST, CONTEXT_BOOL(Unpack.LsbFirst), NO_EXTRA },
- { GL_UNPACK_ROW_LENGTH, CONTEXT_INT(Unpack.RowLength), NO_EXTRA },
- { GL_UNPACK_SKIP_PIXELS, CONTEXT_INT(Unpack.SkipPixels), NO_EXTRA },
- { GL_UNPACK_SKIP_ROWS, CONTEXT_INT(Unpack.SkipRows), NO_EXTRA },
- { GL_UNPACK_SWAP_BYTES, CONTEXT_BOOL(Unpack.SwapBytes), NO_EXTRA },
- { GL_UNPACK_SKIP_IMAGES_EXT, CONTEXT_INT(Unpack.SkipImages), NO_EXTRA },
- { GL_UNPACK_IMAGE_HEIGHT_EXT, CONTEXT_INT(Unpack.ImageHeight), NO_EXTRA },
- { GL_UNPACK_CLIENT_STORAGE_APPLE, CONTEXT_BOOL(Unpack.ClientStorage), NO_EXTRA },
- { GL_ZOOM_X, CONTEXT_FLOAT(Pixel.ZoomX), NO_EXTRA },
- { GL_ZOOM_Y, CONTEXT_FLOAT(Pixel.ZoomY), NO_EXTRA },
-
- /* Vertex arrays */
- { GL_VERTEX_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA },
- { GL_NORMAL_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA },
- { GL_COLOR_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA },
- { GL_INDEX_ARRAY, ARRAY_BOOL(Index.Enabled), NO_EXTRA },
- { GL_INDEX_ARRAY_TYPE, ARRAY_ENUM(Index.Type), NO_EXTRA },
- { GL_INDEX_ARRAY_STRIDE, ARRAY_INT(Index.Stride), NO_EXTRA },
- { GL_INDEX_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA },
- { GL_TEXTURE_COORD_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA },
- { GL_EDGE_FLAG_ARRAY, ARRAY_BOOL(EdgeFlag.Enabled), NO_EXTRA },
- { GL_EDGE_FLAG_ARRAY_STRIDE, ARRAY_INT(EdgeFlag.Stride), NO_EXTRA },
- { GL_EDGE_FLAG_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA },
-
- /* GL_ARB_texture_compression */
- { GL_TEXTURE_COMPRESSION_HINT_ARB, CONTEXT_INT(Hint.TextureCompression), NO_EXTRA },
-
- /* GL_EXT_compiled_vertex_array */
- { GL_ARRAY_ELEMENT_LOCK_FIRST_EXT, CONTEXT_INT(Array.LockFirst),
- extra_EXT_compiled_vertex_array },
- { GL_ARRAY_ELEMENT_LOCK_COUNT_EXT, CONTEXT_INT(Array.LockCount),
- extra_EXT_compiled_vertex_array },
-
- /* GL_ARB_transpose_matrix */
- { GL_TRANSPOSE_MODELVIEW_MATRIX_ARB,
- CONTEXT_MATRIX_T(ModelviewMatrixStack), NO_EXTRA },
- { GL_TRANSPOSE_PROJECTION_MATRIX_ARB,
- CONTEXT_MATRIX_T(ProjectionMatrixStack.Top), NO_EXTRA },
- { GL_TRANSPOSE_TEXTURE_MATRIX_ARB, CONTEXT_MATRIX_T(TextureMatrixStack), NO_EXTRA },
-
- /* GL_EXT_secondary_color */
- { GL_COLOR_SUM_EXT, CONTEXT_BOOL(Fog.ColorSumEnabled),
- extra_EXT_secondary_color_ARB_vertex_program },
- { GL_CURRENT_SECONDARY_COLOR_EXT,
- CONTEXT_FIELD(Current.Attrib[VERT_ATTRIB_COLOR1][0], TYPE_FLOATN_4),
- extra_EXT_secondary_color_flush_current },
- { GL_SECONDARY_COLOR_ARRAY_EXT, ARRAY_BOOL(SecondaryColor.Enabled),
- extra_EXT_secondary_color },
- { GL_SECONDARY_COLOR_ARRAY_TYPE_EXT, ARRAY_ENUM(SecondaryColor.Type),
- extra_EXT_secondary_color },
- { GL_SECONDARY_COLOR_ARRAY_STRIDE_EXT, ARRAY_INT(SecondaryColor.Stride),
- extra_EXT_secondary_color },
- { GL_SECONDARY_COLOR_ARRAY_SIZE_EXT, ARRAY_INT(SecondaryColor.Size),
- extra_EXT_secondary_color },
-
- /* GL_EXT_fog_coord */
- { GL_CURRENT_FOG_COORDINATE_EXT,
- CONTEXT_FLOAT(Current.Attrib[VERT_ATTRIB_FOG][0]),
- extra_EXT_fog_coord_flush_current },
- { GL_FOG_COORDINATE_ARRAY_EXT, ARRAY_BOOL(FogCoord.Enabled),
- extra_EXT_fog_coord },
- { GL_FOG_COORDINATE_ARRAY_TYPE_EXT, ARRAY_ENUM(FogCoord.Type),
- extra_EXT_fog_coord },
- { GL_FOG_COORDINATE_ARRAY_STRIDE_EXT, ARRAY_INT(FogCoord.Stride),
- extra_EXT_fog_coord },
- { GL_FOG_COORDINATE_SOURCE_EXT, CONTEXT_ENUM(Fog.FogCoordinateSource),
- extra_EXT_fog_coord },
-
- /* GL_IBM_rasterpos_clip */
- { GL_RASTER_POSITION_UNCLIPPED_IBM,
- CONTEXT_BOOL(Transform.RasterPositionUnclipped),
- extra_IBM_rasterpos_clip },
-
- /* GL_NV_point_sprite */
- { GL_POINT_SPRITE_R_MODE_NV,
- CONTEXT_ENUM(Point.SpriteRMode), extra_NV_point_sprite },
- { GL_POINT_SPRITE_COORD_ORIGIN, CONTEXT_ENUM(Point.SpriteOrigin),
- extra_NV_point_sprite_ARB_point_sprite },
-
- /* GL_NV_vertex_program */
- { GL_VERTEX_PROGRAM_BINDING_NV, LOC_CUSTOM, TYPE_INT, 0,
- extra_NV_vertex_program },
- { GL_VERTEX_ATTRIB_ARRAY0_NV, ARRAY_BOOL(VertexAttrib[0].Enabled),
- extra_NV_vertex_program },
- { GL_VERTEX_ATTRIB_ARRAY1_NV, ARRAY_BOOL(VertexAttrib[1].Enabled),
- extra_NV_vertex_program },
- { GL_VERTEX_ATTRIB_ARRAY2_NV, ARRAY_BOOL(VertexAttrib[2].Enabled),
- extra_NV_vertex_program },
- { GL_VERTEX_ATTRIB_ARRAY3_NV, ARRAY_BOOL(VertexAttrib[3].Enabled),
- extra_NV_vertex_program },
- { GL_VERTEX_ATTRIB_ARRAY4_NV, ARRAY_BOOL(VertexAttrib[4].Enabled),
- extra_NV_vertex_program },
- { GL_VERTEX_ATTRIB_ARRAY5_NV, ARRAY_BOOL(VertexAttrib[5].Enabled),
- extra_NV_vertex_program },
- { GL_VERTEX_ATTRIB_ARRAY6_NV, ARRAY_BOOL(VertexAttrib[6].Enabled),
- extra_NV_vertex_program },
- { GL_VERTEX_ATTRIB_ARRAY7_NV, ARRAY_BOOL(VertexAttrib[7].Enabled),
- extra_NV_vertex_program },
- { GL_VERTEX_ATTRIB_ARRAY8_NV, ARRAY_BOOL(VertexAttrib[8].Enabled),
- extra_NV_vertex_program },
- { GL_VERTEX_ATTRIB_ARRAY9_NV, ARRAY_BOOL(VertexAttrib[9].Enabled),
- extra_NV_vertex_program },
- { GL_VERTEX_ATTRIB_ARRAY10_NV, ARRAY_BOOL(VertexAttrib[10].Enabled),
- extra_NV_vertex_program },
- { GL_VERTEX_ATTRIB_ARRAY11_NV, ARRAY_BOOL(VertexAttrib[11].Enabled),
- extra_NV_vertex_program },
- { GL_VERTEX_ATTRIB_ARRAY12_NV, ARRAY_BOOL(VertexAttrib[12].Enabled),
- extra_NV_vertex_program },
- { GL_VERTEX_ATTRIB_ARRAY13_NV, ARRAY_BOOL(VertexAttrib[13].Enabled),
- extra_NV_vertex_program },
- { GL_VERTEX_ATTRIB_ARRAY14_NV, ARRAY_BOOL(VertexAttrib[14].Enabled),
- extra_NV_vertex_program },
- { GL_VERTEX_ATTRIB_ARRAY15_NV, ARRAY_BOOL(VertexAttrib[15].Enabled),
- extra_NV_vertex_program },
- { GL_MAP1_VERTEX_ATTRIB0_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[0]),
- extra_NV_vertex_program },
- { GL_MAP1_VERTEX_ATTRIB1_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[1]),
- extra_NV_vertex_program },
- { GL_MAP1_VERTEX_ATTRIB2_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[2]),
- extra_NV_vertex_program },
- { GL_MAP1_VERTEX_ATTRIB3_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[3]),
- extra_NV_vertex_program },
- { GL_MAP1_VERTEX_ATTRIB4_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[4]),
- extra_NV_vertex_program },
- { GL_MAP1_VERTEX_ATTRIB5_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[5]),
- extra_NV_vertex_program },
- { GL_MAP1_VERTEX_ATTRIB6_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[6]),
- extra_NV_vertex_program },
- { GL_MAP1_VERTEX_ATTRIB7_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[7]),
- extra_NV_vertex_program },
- { GL_MAP1_VERTEX_ATTRIB8_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[8]),
- extra_NV_vertex_program },
- { GL_MAP1_VERTEX_ATTRIB9_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[9]),
- extra_NV_vertex_program },
- { GL_MAP1_VERTEX_ATTRIB10_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[10]),
- extra_NV_vertex_program },
- { GL_MAP1_VERTEX_ATTRIB11_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[11]),
- extra_NV_vertex_program },
- { GL_MAP1_VERTEX_ATTRIB12_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[12]),
- extra_NV_vertex_program },
- { GL_MAP1_VERTEX_ATTRIB13_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[13]),
- extra_NV_vertex_program },
- { GL_MAP1_VERTEX_ATTRIB14_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[14]),
- extra_NV_vertex_program },
- { GL_MAP1_VERTEX_ATTRIB15_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[15]),
- extra_NV_vertex_program },
-
- /* GL_NV_fragment_program */
- { GL_FRAGMENT_PROGRAM_NV, CONTEXT_BOOL(FragmentProgram.Enabled),
- extra_NV_fragment_program },
- { GL_FRAGMENT_PROGRAM_BINDING_NV, LOC_CUSTOM, TYPE_INT, 0,
- extra_NV_fragment_program },
- { GL_MAX_FRAGMENT_PROGRAM_LOCAL_PARAMETERS_NV,
- CONST(MAX_NV_FRAGMENT_PROGRAM_PARAMS),
- extra_NV_fragment_program },
-
- /* GL_NV_texture_rectangle */
- { GL_TEXTURE_RECTANGLE_NV,
- LOC_CUSTOM, TYPE_BOOLEAN, 0, extra_NV_texture_rectangle },
- { GL_TEXTURE_BINDING_RECTANGLE_NV,
- LOC_CUSTOM, TYPE_INT, TEXTURE_RECT_INDEX, extra_NV_texture_rectangle },
- { GL_MAX_RECTANGLE_TEXTURE_SIZE_NV,
- CONTEXT_INT(Const.MaxTextureRectSize), extra_NV_texture_rectangle },
-
- /* GL_EXT_stencil_two_side */
- { GL_STENCIL_TEST_TWO_SIDE_EXT, CONTEXT_BOOL(Stencil.TestTwoSide),
- extra_EXT_stencil_two_side },
- { GL_ACTIVE_STENCIL_FACE_EXT, LOC_CUSTOM, TYPE_ENUM, NO_OFFSET, NO_EXTRA },
-
- /* GL_NV_light_max_exponent */
- { GL_MAX_SHININESS_NV, CONTEXT_FLOAT(Const.MaxShininess),
- extra_NV_light_max_exponent },
- { GL_MAX_SPOT_EXPONENT_NV, CONTEXT_FLOAT(Const.MaxSpotExponent),
- extra_NV_light_max_exponent },
-
- /* GL_NV_primitive_restart */
- { GL_PRIMITIVE_RESTART_NV, CONTEXT_BOOL(Array.PrimitiveRestart),
- extra_NV_primitive_restart },
- { GL_PRIMITIVE_RESTART_INDEX_NV, CONTEXT_INT(Array.RestartIndex),
- extra_NV_primitive_restart },
-
- /* GL_ARB_vertex_buffer_object */
- { GL_INDEX_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
- offsetof(struct gl_array_object, Index.BufferObj), NO_EXTRA },
- { GL_EDGE_FLAG_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
- offsetof(struct gl_array_object, EdgeFlag.BufferObj), NO_EXTRA },
- { GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
- offsetof(struct gl_array_object, SecondaryColor.BufferObj), NO_EXTRA },
- { GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
- offsetof(struct gl_array_object, FogCoord.BufferObj), NO_EXTRA },
-
- /* GL_EXT_pixel_buffer_object */
- { GL_PIXEL_PACK_BUFFER_BINDING_EXT, LOC_CUSTOM, TYPE_INT, 0,
- extra_EXT_pixel_buffer_object },
- { GL_PIXEL_UNPACK_BUFFER_BINDING_EXT, LOC_CUSTOM, TYPE_INT, 0,
- extra_EXT_pixel_buffer_object },
-
- /* GL_ARB_vertex_program */
- { GL_VERTEX_PROGRAM_ARB, /* == GL_VERTEX_PROGRAM_NV */
- CONTEXT_BOOL(VertexProgram.Enabled),
- extra_ARB_vertex_program_NV_vertex_program },
- { GL_VERTEX_PROGRAM_POINT_SIZE_ARB, /* == GL_VERTEX_PROGRAM_POINT_SIZE_NV*/
- CONTEXT_BOOL(VertexProgram.PointSizeEnabled),
- extra_ARB_vertex_program_NV_vertex_program },
- { GL_VERTEX_PROGRAM_TWO_SIDE_ARB, /* == GL_VERTEX_PROGRAM_TWO_SIDE_NV */
- CONTEXT_BOOL(VertexProgram.TwoSideEnabled),
- extra_ARB_vertex_program_NV_vertex_program },
- { GL_MAX_PROGRAM_MATRIX_STACK_DEPTH_ARB, /* == GL_MAX_TRACK_MATRIX_STACK_DEPTH_NV */
- CONTEXT_INT(Const.MaxProgramMatrixStackDepth),
- extra_ARB_vertex_program_ARB_fragment_program_NV_vertex_program },
- { GL_MAX_PROGRAM_MATRICES_ARB, /* == GL_MAX_TRACK_MATRICES_NV */
- CONTEXT_INT(Const.MaxProgramMatrices),
- extra_ARB_vertex_program_ARB_fragment_program_NV_vertex_program },
- { GL_CURRENT_MATRIX_STACK_DEPTH_ARB, /* == GL_CURRENT_MATRIX_STACK_DEPTH_NV */
- LOC_CUSTOM, TYPE_INT, 0,
- extra_ARB_vertex_program_ARB_fragment_program_NV_vertex_program },
-
- { GL_CURRENT_MATRIX_ARB, /* == GL_CURRENT_MATRIX_NV */
- LOC_CUSTOM, TYPE_MATRIX, 0,
- extra_ARB_vertex_program_ARB_fragment_program_NV_vertex_program },
- { GL_TRANSPOSE_CURRENT_MATRIX_ARB, /* == GL_CURRENT_MATRIX_NV */
- LOC_CUSTOM, TYPE_MATRIX, 0,
- extra_ARB_vertex_program_ARB_fragment_program },
-
- { GL_PROGRAM_ERROR_POSITION_ARB, /* == GL_PROGRAM_ERROR_POSITION_NV */
- CONTEXT_INT(Program.ErrorPos),
- extra_NV_vertex_program_ARB_vertex_program_ARB_fragment_program_NV_vertex_program },
-
- /* GL_ARB_fragment_program */
- { GL_FRAGMENT_PROGRAM_ARB, CONTEXT_BOOL(FragmentProgram.Enabled),
- extra_ARB_fragment_program },
-
- /* GL_EXT_depth_bounds_test */
- { GL_DEPTH_BOUNDS_TEST_EXT, CONTEXT_BOOL(Depth.BoundsTest),
- extra_EXT_depth_bounds_test },
- { GL_DEPTH_BOUNDS_EXT, CONTEXT_FLOAT2(Depth.BoundsMin),
- extra_EXT_depth_bounds_test },
-
- /* GL_ARB_depth_clamp*/
- { GL_DEPTH_CLAMP, CONTEXT_BOOL(Transform.DepthClamp),
- extra_ARB_depth_clamp },
-
- /* GL_ARB_draw_buffers */
- { GL_DRAW_BUFFER0_ARB, BUFFER_ENUM(ColorDrawBuffer[0]), NO_EXTRA },
- { GL_DRAW_BUFFER1_ARB, BUFFER_ENUM(ColorDrawBuffer[1]),
- extra_valid_draw_buffer },
- { GL_DRAW_BUFFER2_ARB, BUFFER_ENUM(ColorDrawBuffer[2]),
- extra_valid_draw_buffer },
- { GL_DRAW_BUFFER3_ARB, BUFFER_ENUM(ColorDrawBuffer[3]),
- extra_valid_draw_buffer },
- { GL_DRAW_BUFFER4_ARB, BUFFER_ENUM(ColorDrawBuffer[4]),
- extra_valid_draw_buffer },
- { GL_DRAW_BUFFER5_ARB, BUFFER_ENUM(ColorDrawBuffer[5]),
- extra_valid_draw_buffer },
- { GL_DRAW_BUFFER6_ARB, BUFFER_ENUM(ColorDrawBuffer[6]),
- extra_valid_draw_buffer },
- { GL_DRAW_BUFFER7_ARB, BUFFER_ENUM(ColorDrawBuffer[7]),
- extra_valid_draw_buffer },
-
- /* GL_ATI_fragment_shader */
- { GL_NUM_FRAGMENT_REGISTERS_ATI, CONST(6), extra_ATI_fragment_shader },
- { GL_NUM_FRAGMENT_CONSTANTS_ATI, CONST(8), extra_ATI_fragment_shader },
- { GL_NUM_PASSES_ATI, CONST(2), extra_ATI_fragment_shader },
- { GL_NUM_INSTRUCTIONS_PER_PASS_ATI, CONST(8), extra_ATI_fragment_shader },
- { GL_NUM_INSTRUCTIONS_TOTAL_ATI, CONST(16), extra_ATI_fragment_shader },
- { GL_COLOR_ALPHA_PAIRING_ATI, CONST(GL_TRUE), extra_ATI_fragment_shader },
- { GL_NUM_LOOPBACK_COMPONENTS_ATI, CONST(3), extra_ATI_fragment_shader },
- { GL_NUM_INPUT_INTERPOLATOR_COMPONENTS_ATI,
- CONST(3), extra_ATI_fragment_shader },
-
- /* GL_EXT_framebuffer_object */
- { GL_MAX_COLOR_ATTACHMENTS_EXT, CONTEXT_INT(Const.MaxColorAttachments),
- extra_EXT_framebuffer_object },
-
- /* GL_EXT_framebuffer_blit
- * NOTE: GL_DRAW_FRAMEBUFFER_BINDING_EXT == GL_FRAMEBUFFER_BINDING_EXT */
- { GL_READ_FRAMEBUFFER_BINDING_EXT, LOC_CUSTOM, TYPE_INT, 0,
- extra_EXT_framebuffer_blit },
-
- /* GL_EXT_provoking_vertex */
- { GL_PROVOKING_VERTEX_EXT,
- CONTEXT_BOOL(Light.ProvokingVertex), extra_EXT_provoking_vertex },
- { GL_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION_EXT,
- CONTEXT_BOOL(Const.QuadsFollowProvokingVertexConvention),
- extra_EXT_provoking_vertex },
-
- /* GL_ARB_framebuffer_object */
- { GL_MAX_SAMPLES, CONTEXT_INT(Const.MaxSamples),
- extra_ARB_framebuffer_object_EXT_framebuffer_multisample },
-
- /* GL_APPLE_vertex_array_object */
- { GL_VERTEX_ARRAY_BINDING_APPLE, ARRAY_INT(Name),
- extra_APPLE_vertex_array_object },
-
- /* GL_ARB_seamless_cube_map */
- { GL_TEXTURE_CUBE_MAP_SEAMLESS,
- CONTEXT_BOOL(Texture.CubeMapSeamless), extra_ARB_seamless_cube_map },
-
- /* GL_ARB_sync */
- { GL_MAX_SERVER_WAIT_TIMEOUT,
- CONTEXT_INT64(Const.MaxServerWaitTimeout), extra_ARB_sync },
-
- /* GL_EXT_texture_integer */
- { GL_RGBA_INTEGER_MODE_EXT, BUFFER_BOOL(_IntegerColor),
- extra_EXT_texture_integer },
-
- /* GL_EXT_transform_feedback */
- { GL_TRANSFORM_FEEDBACK_BUFFER_BINDING, LOC_CUSTOM, TYPE_INT, 0,
- extra_EXT_transform_feedback },
- { GL_RASTERIZER_DISCARD, CONTEXT_BOOL(TransformFeedback.RasterDiscard),
- extra_EXT_transform_feedback },
- { GL_MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS,
- CONTEXT_INT(Const.MaxTransformFeedbackInterleavedComponents),
- extra_EXT_transform_feedback },
- { GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS,
- CONTEXT_INT(Const.MaxTransformFeedbackSeparateAttribs),
- extra_EXT_transform_feedback },
- { GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS,
- CONTEXT_INT(Const.MaxTransformFeedbackSeparateComponents),
- extra_EXT_transform_feedback },
-
- /* GL_ARB_transform_feedback2 */
- { GL_TRANSFORM_FEEDBACK_BUFFER_PAUSED, LOC_CUSTOM, TYPE_BOOLEAN, 0,
- extra_ARB_transform_feedback2 },
- { GL_TRANSFORM_FEEDBACK_BUFFER_ACTIVE, LOC_CUSTOM, TYPE_BOOLEAN, 0,
- extra_ARB_transform_feedback2 },
- { GL_TRANSFORM_FEEDBACK_BINDING, LOC_CUSTOM, TYPE_INT, 0,
- extra_ARB_transform_feedback2 },
-
- /* GL_ARB_geometry_shader4 */
- { GL_MAX_GEOMETRY_TEXTURE_IMAGE_UNITS_ARB,
- CONTEXT_INT(Const.MaxGeometryTextureImageUnits),
- extra_ARB_geometry_shader4 },
- { GL_MAX_GEOMETRY_OUTPUT_VERTICES_ARB,
- CONTEXT_INT(Const.MaxGeometryOutputVertices),
- extra_ARB_geometry_shader4 },
- { GL_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS_ARB,
- CONTEXT_INT(Const.MaxGeometryTotalOutputComponents),
- extra_ARB_geometry_shader4 },
- { GL_MAX_GEOMETRY_UNIFORM_COMPONENTS_ARB,
- CONTEXT_INT(Const.GeometryProgram.MaxUniformComponents),
- extra_ARB_geometry_shader4 },
- { GL_MAX_GEOMETRY_VARYING_COMPONENTS_ARB,
- CONTEXT_INT(Const.MaxGeometryVaryingComponents),
- extra_ARB_geometry_shader4 },
- { GL_MAX_VERTEX_VARYING_COMPONENTS_ARB,
- CONTEXT_INT(Const.MaxVertexVaryingComponents),
- extra_ARB_geometry_shader4 },
-
- /* GL_EXT_gpu_shader4 / GL 3.0 */
- { GL_MIN_PROGRAM_TEXEL_OFFSET,
- CONTEXT_INT(Const.MinProgramTexelOffset),
- extra_EXT_gpu_shader4 },
- { GL_MAX_PROGRAM_TEXEL_OFFSET,
- CONTEXT_INT(Const.MaxProgramTexelOffset),
- extra_EXT_gpu_shader4 },
-
- /* GL 3.0 */
- { GL_NUM_EXTENSIONS, LOC_CUSTOM, TYPE_INT, 0, extra_version_30 },
- { GL_MAJOR_VERSION, CONTEXT_INT(VersionMajor), extra_version_30 },
- { GL_MINOR_VERSION, CONTEXT_INT(VersionMinor), extra_version_30 },
- { GL_CONTEXT_FLAGS, CONTEXT_INT(Const.ContextFlags), extra_version_30 },
-
- /* GL3.0 / GL_EXT_framebuffer_sRGB */
- { GL_FRAMEBUFFER_SRGB_EXT, CONTEXT_BOOL(Color.sRGBEnabled), extra_EXT_framebuffer_sRGB },
- { GL_FRAMEBUFFER_SRGB_CAPABLE_EXT, BUFFER_INT(Visual.sRGBCapable), extra_EXT_framebuffer_sRGB },
-
- /* GL 3.1 */
- /* NOTE: different enum values for GL_PRIMITIVE_RESTART_NV
- * vs. GL_PRIMITIVE_RESTART!
- */
- { GL_PRIMITIVE_RESTART, CONTEXT_BOOL(Array.PrimitiveRestart),
- extra_version_31 },
- { GL_PRIMITIVE_RESTART_INDEX, CONTEXT_INT(Array.RestartIndex),
- extra_version_31 },
-
-
- /* GL 3.2 */
- { GL_CONTEXT_PROFILE_MASK, CONTEXT_INT(Const.ProfileMask),
- extra_version_32 },
-#endif /* FEATURE_GL */
-};
-
-/* All we need now is a way to look up the value struct from the enum.
- * The code generated by gcc for the old generated big switch
- * statement is a big, balanced, open coded if/else tree, essentially
- * an unrolled binary search. It would be natural to sort the new
- * enum table and use bsearch(), but we will use a read-only hash
- * table instead. bsearch() has a nice guaranteed worst case
- * performance, but we're also guaranteed to hit that worst case
- * (log2(n) iterations) for about half the enums. Instead, using an
- * open addressing hash table, we can find the enum on the first try
- * for 80% of the enums, 1 collision for 10% and never more than 5
- * collisions for any enum (typical numbers). And the code is very
- * simple, even though it feels a little magic. */
-
-static unsigned short table[1024];
-static const int prime_factor = 89, prime_step = 281;
-
-#ifdef GET_DEBUG
-static void
-print_table_stats(void)
-{
- int i, j, collisions[11], count, hash, mask;
- const struct value_desc *d;
-
- count = 0;
- mask = Elements(table) - 1;
- memset(collisions, 0, sizeof collisions);
-
- for (i = 0; i < Elements(table); i++) {
- if (!table[i])
- continue;
- count++;
- d = &values[table[i]];
- hash = (d->pname * prime_factor);
- j = 0;
- while (1) {
- if (values[table[hash & mask]].pname == d->pname)
- break;
- hash += prime_step;
- j++;
- }
-
- if (j < 10)
- collisions[j]++;
- else
- collisions[10]++;
- }
-
- printf("number of enums: %d (total %d)\n", count, Elements(values));
- for (i = 0; i < Elements(collisions) - 1; i++)
- if (collisions[i] > 0)
- printf(" %d enums with %d %scollisions\n",
- collisions[i], i, i == 10 ? "or more " : "");
-}
-#endif
-
-/**
- * Initialize the enum hash for a given API
- *
- * This is called from one_time_init() to insert the enum values that
- * are valid for the API in question into the enum hash table.
- *
- * \param the current context, for determining the API in question
- */
-void _mesa_init_get_hash(struct gl_context *ctx)
-{
- int i, hash, index, mask;
- int api_mask = 0, api_bit;
-
- mask = Elements(table) - 1;
- api_bit = 1 << ctx->API;
-
- for (i = 0; i < Elements(values); i++) {
- if (values[i].type == TYPE_API_MASK) {
- api_mask = values[i].offset;
- continue;
- }
- if (!(api_mask & api_bit))
- continue;
-
- hash = (values[i].pname * prime_factor) & mask;
- while (1) {
- index = hash & mask;
- if (!table[index]) {
- table[index] = i;
- break;
- }
- hash += prime_step;
- }
- }
-
-#ifdef GET_DEBUG
- print_table_stats();
-#endif
-}
-
-/**
- * Handle irregular enums
- *
- * Some values don't conform to the "well-known type at context
- * pointer + offset" pattern, so we have this function to catch all
- * the corner cases. Typically, it's a computed value or a one-off
- * pointer to a custom struct or something.
- *
- * In this case we can't return a pointer to the value, so we'll have
- * to use the temporary variable 'v' declared back in the calling
- * glGet*v() function to store the result.
- *
- * \param ctx the current context
- * \param d the struct value_desc that describes the enum
- * \param v pointer to the tmp declared in the calling glGet*v() function
- */
-static void
-find_custom_value(struct gl_context *ctx, const struct value_desc *d, union value *v)
-{
- struct gl_buffer_object **buffer_obj;
- struct gl_client_array *array;
- GLuint unit, *p;
-
- switch (d->pname) {
- case GL_TEXTURE_1D:
- case GL_TEXTURE_2D:
- case GL_TEXTURE_3D:
- case GL_TEXTURE_1D_ARRAY_EXT:
- case GL_TEXTURE_2D_ARRAY_EXT:
- case GL_TEXTURE_CUBE_MAP_ARB:
- case GL_TEXTURE_RECTANGLE_NV:
- v->value_bool = _mesa_IsEnabled(d->pname);
- break;
-
- case GL_LINE_STIPPLE_PATTERN:
- /* This is the only GLushort, special case it here by promoting
- * to an int rather than introducing a new type. */
- v->value_int = ctx->Line.StipplePattern;
- break;
-
- case GL_CURRENT_RASTER_TEXTURE_COORDS:
- unit = ctx->Texture.CurrentUnit;
- v->value_float_4[0] = ctx->Current.RasterTexCoords[unit][0];
- v->value_float_4[1] = ctx->Current.RasterTexCoords[unit][1];
- v->value_float_4[2] = ctx->Current.RasterTexCoords[unit][2];
- v->value_float_4[3] = ctx->Current.RasterTexCoords[unit][3];
- break;
-
- case GL_CURRENT_TEXTURE_COORDS:
- unit = ctx->Texture.CurrentUnit;
- v->value_float_4[0] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][0];
- v->value_float_4[1] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][1];
- v->value_float_4[2] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][2];
- v->value_float_4[3] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][3];
- break;
-
- case GL_COLOR_WRITEMASK:
- v->value_int_4[0] = ctx->Color.ColorMask[0][RCOMP] ? 1 : 0;
- v->value_int_4[1] = ctx->Color.ColorMask[0][GCOMP] ? 1 : 0;
- v->value_int_4[2] = ctx->Color.ColorMask[0][BCOMP] ? 1 : 0;
- v->value_int_4[3] = ctx->Color.ColorMask[0][ACOMP] ? 1 : 0;
- break;
-
- case GL_EDGE_FLAG:
- v->value_bool = ctx->Current.Attrib[VERT_ATTRIB_EDGEFLAG][0] == 1.0;
- break;
-
- case GL_READ_BUFFER:
- v->value_enum = ctx->ReadBuffer->ColorReadBuffer;
- break;
-
- case GL_MAP2_GRID_DOMAIN:
- v->value_float_4[0] = ctx->Eval.MapGrid2u1;
- v->value_float_4[1] = ctx->Eval.MapGrid2u2;
- v->value_float_4[2] = ctx->Eval.MapGrid2v1;
- v->value_float_4[3] = ctx->Eval.MapGrid2v2;
- break;
-
- case GL_TEXTURE_STACK_DEPTH:
- unit = ctx->Texture.CurrentUnit;
- v->value_int = ctx->TextureMatrixStack[unit].Depth + 1;
- break;
- case GL_TEXTURE_MATRIX:
- unit = ctx->Texture.CurrentUnit;
- v->value_matrix = ctx->TextureMatrixStack[unit].Top;
- break;
-
- case GL_TEXTURE_COORD_ARRAY:
- case GL_TEXTURE_COORD_ARRAY_SIZE:
- case GL_TEXTURE_COORD_ARRAY_TYPE:
- case GL_TEXTURE_COORD_ARRAY_STRIDE:
- array = &ctx->Array.ArrayObj->TexCoord[ctx->Array.ActiveTexture];
- v->value_int = *(GLuint *) ((char *) array + d->offset);
- break;
-
- case GL_ACTIVE_TEXTURE_ARB:
- v->value_int = GL_TEXTURE0_ARB + ctx->Texture.CurrentUnit;
- break;
- case GL_CLIENT_ACTIVE_TEXTURE_ARB:
- v->value_int = GL_TEXTURE0_ARB + ctx->Array.ActiveTexture;
- break;
-
- case GL_MODELVIEW_STACK_DEPTH:
- case GL_PROJECTION_STACK_DEPTH:
- v->value_int = *(GLint *) ((char *) ctx + d->offset) + 1;
- break;
-
- case GL_MAX_TEXTURE_SIZE:
- case GL_MAX_3D_TEXTURE_SIZE:
- case GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB:
- p = (GLuint *) ((char *) ctx + d->offset);
- v->value_int = 1 << (*p - 1);
- break;
-
- case GL_SCISSOR_BOX:
- v->value_int_4[0] = ctx->Scissor.X;
- v->value_int_4[1] = ctx->Scissor.Y;
- v->value_int_4[2] = ctx->Scissor.Width;
- v->value_int_4[3] = ctx->Scissor.Height;
- break;
-
- case GL_LIST_INDEX:
- v->value_int =
- ctx->ListState.CurrentList ? ctx->ListState.CurrentList->Name : 0;
- break;
- case GL_LIST_MODE:
- if (!ctx->CompileFlag)
- v->value_enum = 0;
- else if (ctx->ExecuteFlag)
- v->value_enum = GL_COMPILE_AND_EXECUTE;
- else
- v->value_enum = GL_COMPILE;
- break;
-
- case GL_VIEWPORT:
- v->value_int_4[0] = ctx->Viewport.X;
- v->value_int_4[1] = ctx->Viewport.Y;
- v->value_int_4[2] = ctx->Viewport.Width;
- v->value_int_4[3] = ctx->Viewport.Height;
- break;
-
- case GL_ACTIVE_STENCIL_FACE_EXT:
- v->value_enum = ctx->Stencil.ActiveFace ? GL_BACK : GL_FRONT;
- break;
-
- case GL_STENCIL_FAIL:
- v->value_enum = ctx->Stencil.FailFunc[ctx->Stencil.ActiveFace];
- break;
- case GL_STENCIL_FUNC:
- v->value_enum = ctx->Stencil.Function[ctx->Stencil.ActiveFace];
- break;
- case GL_STENCIL_PASS_DEPTH_FAIL:
- v->value_enum = ctx->Stencil.ZFailFunc[ctx->Stencil.ActiveFace];
- break;
- case GL_STENCIL_PASS_DEPTH_PASS:
- v->value_enum = ctx->Stencil.ZPassFunc[ctx->Stencil.ActiveFace];
- break;
- case GL_STENCIL_REF:
- v->value_int = ctx->Stencil.Ref[ctx->Stencil.ActiveFace];
- break;
- case GL_STENCIL_VALUE_MASK:
- v->value_int = ctx->Stencil.ValueMask[ctx->Stencil.ActiveFace];
- break;
- case GL_STENCIL_WRITEMASK:
- v->value_int = ctx->Stencil.WriteMask[ctx->Stencil.ActiveFace];
- break;
-
- case GL_NUM_EXTENSIONS:
- v->value_int = _mesa_get_extension_count(ctx);
- break;
-
- case GL_IMPLEMENTATION_COLOR_READ_TYPE_OES:
- v->value_int = _mesa_get_color_read_type(ctx);
- break;
- case GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES:
- v->value_int = _mesa_get_color_read_format(ctx);
- break;
-
- case GL_CURRENT_MATRIX_STACK_DEPTH_ARB:
- v->value_int = ctx->CurrentStack->Depth + 1;
- break;
- case GL_CURRENT_MATRIX_ARB:
- case GL_TRANSPOSE_CURRENT_MATRIX_ARB:
- v->value_matrix = ctx->CurrentStack->Top;
- break;
-
- case GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB:
- v->value_int = _mesa_get_compressed_formats(ctx, NULL, GL_FALSE);
- break;
- case GL_COMPRESSED_TEXTURE_FORMATS_ARB:
- v->value_int_n.n =
- _mesa_get_compressed_formats(ctx, v->value_int_n.ints, GL_FALSE);
- ASSERT(v->value_int_n.n <= 100);
- break;
-
- case GL_MAX_VARYING_FLOATS_ARB:
- v->value_int = ctx->Const.MaxVarying * 4;
- break;
-
- /* Various object names */
-
- case GL_TEXTURE_BINDING_1D:
- case GL_TEXTURE_BINDING_2D:
- case GL_TEXTURE_BINDING_3D:
- case GL_TEXTURE_BINDING_1D_ARRAY_EXT:
- case GL_TEXTURE_BINDING_2D_ARRAY_EXT:
- case GL_TEXTURE_BINDING_CUBE_MAP_ARB:
- case GL_TEXTURE_BINDING_RECTANGLE_NV:
- unit = ctx->Texture.CurrentUnit;
- v->value_int =
- ctx->Texture.Unit[unit].CurrentTex[d->offset]->Name;
- break;
-
- /* GL_ARB_vertex_buffer_object */
- case GL_VERTEX_ARRAY_BUFFER_BINDING_ARB:
- case GL_NORMAL_ARRAY_BUFFER_BINDING_ARB:
- case GL_COLOR_ARRAY_BUFFER_BINDING_ARB:
- case GL_INDEX_ARRAY_BUFFER_BINDING_ARB:
- case GL_EDGE_FLAG_ARRAY_BUFFER_BINDING_ARB:
- case GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING_ARB:
- case GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING_ARB:
- buffer_obj = (struct gl_buffer_object **)
- ((char *) ctx->Array.ArrayObj + d->offset);
- v->value_int = (*buffer_obj)->Name;
- break;
- case GL_ARRAY_BUFFER_BINDING_ARB:
- v->value_int = ctx->Array.ArrayBufferObj->Name;
- break;
- case GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING_ARB:
- v->value_int =
- ctx->Array.ArrayObj->TexCoord[ctx->Array.ActiveTexture].BufferObj->Name;
- break;
- case GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB:
- v->value_int = ctx->Array.ElementArrayBufferObj->Name;
- break;
-
- /* ARB_copy_buffer */
- case GL_COPY_READ_BUFFER:
- v->value_int = ctx->CopyReadBuffer->Name;
- break;
- case GL_COPY_WRITE_BUFFER:
- v->value_int = ctx->CopyWriteBuffer->Name;
- break;
-
- case GL_FRAGMENT_PROGRAM_BINDING_NV:
- v->value_int =
- ctx->FragmentProgram.Current ? ctx->FragmentProgram.Current->Base.Id : 0;
- break;
- case GL_VERTEX_PROGRAM_BINDING_NV:
- v->value_int =
- ctx->VertexProgram.Current ? ctx->VertexProgram.Current->Base.Id : 0;
- break;
- case GL_PIXEL_PACK_BUFFER_BINDING_EXT:
- v->value_int = ctx->Pack.BufferObj->Name;
- break;
- case GL_PIXEL_UNPACK_BUFFER_BINDING_EXT:
- v->value_int = ctx->Unpack.BufferObj->Name;
- break;
- case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING:
- v->value_int = ctx->TransformFeedback.CurrentBuffer->Name;
- break;
- case GL_TRANSFORM_FEEDBACK_BUFFER_PAUSED:
- v->value_int = ctx->TransformFeedback.CurrentObject->Paused;
- break;
- case GL_TRANSFORM_FEEDBACK_BUFFER_ACTIVE:
- v->value_int = ctx->TransformFeedback.CurrentObject->Active;
- break;
- case GL_TRANSFORM_FEEDBACK_BINDING:
- v->value_int = ctx->TransformFeedback.CurrentObject->Name;
- break;
- case GL_CURRENT_PROGRAM:
- v->value_int =
- ctx->Shader.ActiveProgram ? ctx->Shader.ActiveProgram->Name : 0;
- break;
- case GL_READ_FRAMEBUFFER_BINDING_EXT:
- v->value_int = ctx->ReadBuffer->Name;
- break;
- case GL_RENDERBUFFER_BINDING_EXT:
- v->value_int =
- ctx->CurrentRenderbuffer ? ctx->CurrentRenderbuffer->Name : 0;
- break;
- case GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES:
- v->value_int = ctx->Array.ArrayObj->PointSize.BufferObj->Name;
- break;
-
- case GL_MAX_VERTEX_UNIFORM_VECTORS:
- v->value_int = ctx->Const.VertexProgram.MaxUniformComponents / 4;
- break;
-
- case GL_MAX_FRAGMENT_UNIFORM_VECTORS:
- v->value_int = ctx->Const.FragmentProgram.MaxUniformComponents / 4;
- break;
- }
-}
-
-/**
- * Check extra constraints on a struct value_desc descriptor
- *
- * If a struct value_desc has a non-NULL extra pointer, it means that
- * there are a number of extra constraints to check or actions to
- * perform. The extras is just an integer array where each integer
- * encode different constraints or actions.
- *
- * \param ctx current context
- * \param func name of calling glGet*v() function for error reporting
- * \param d the struct value_desc that has the extra constraints
- *
- * \return GL_FALSE if one of the constraints was not satisfied,
- * otherwise GL_TRUE.
- */
-static GLboolean
-check_extra(struct gl_context *ctx, const char *func, const struct value_desc *d)
-{
- const GLuint version = ctx->VersionMajor * 10 + ctx->VersionMinor;
- int total, enabled;
- const int *e;
-
- total = 0;
- enabled = 0;
- for (e = d->extra; *e != EXTRA_END; e++)
- switch (*e) {
- case EXTRA_VERSION_30:
- if (version >= 30) {
- total++;
- enabled++;
- }
- break;
- case EXTRA_VERSION_31:
- if (version >= 31) {
- total++;
- enabled++;
- }
- break;
- case EXTRA_VERSION_32:
- if (version >= 32) {
- total++;
- enabled++;
- }
- break;
- case EXTRA_VERSION_ES2:
- if (ctx->API == API_OPENGLES2) {
- total++;
- enabled++;
- }
- break;
- case EXTRA_NEW_BUFFERS:
- if (ctx->NewState & _NEW_BUFFERS)
- _mesa_update_state(ctx);
- break;
- case EXTRA_FLUSH_CURRENT:
- FLUSH_CURRENT(ctx, 0);
- break;
- case EXTRA_VALID_DRAW_BUFFER:
- if (d->pname - GL_DRAW_BUFFER0_ARB >= ctx->Const.MaxDrawBuffers) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "%s(draw buffer %u)",
- func, d->pname - GL_DRAW_BUFFER0_ARB);
- return GL_FALSE;
- }
- break;
- case EXTRA_VALID_TEXTURE_UNIT:
- if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "%s(texture %u)",
- func, ctx->Texture.CurrentUnit);
- return GL_FALSE;
- }
- break;
- case EXTRA_END:
- break;
- default: /* *e is a offset into the extension struct */
- total++;
- if (*(GLboolean *) ((char *) &ctx->Extensions + *e))
- enabled++;
- break;
- }
-
- if (total > 0 && enabled == 0) {
- _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=%s)", func,
- _mesa_lookup_enum_by_nr(d->pname));
- return GL_FALSE;
- }
-
- return GL_TRUE;
-}
-
-static const struct value_desc error_value =
- { 0, 0, TYPE_INVALID, NO_OFFSET, NO_EXTRA };
-
-/**
- * Find the struct value_desc corresponding to the enum 'pname'.
- *
- * We hash the enum value to get an index into the 'table' array,
- * which holds the index in the 'values' array of struct value_desc.
- * Once we've found the entry, we do the extra checks, if any, then
- * look up the value and return a pointer to it.
- *
- * If the value has to be computed (for example, it's the result of a
- * function call or we need to add 1 to it), we use the tmp 'v' to
- * store the result.
- *
- * \param func name of glGet*v() func for error reporting
- * \param pname the enum value we're looking up
- * \param p is were we return the pointer to the value
- * \param v a tmp union value variable in the calling glGet*v() function
- *
- * \return the struct value_desc corresponding to the enum or a struct
- * value_desc of TYPE_INVALID if not found. This lets the calling
- * glGet*v() function jump right into a switch statement and
- * handle errors there instead of having to check for NULL.
- */
-static const struct value_desc *
-find_value(const char *func, GLenum pname, void **p, union value *v)
-{
- GET_CURRENT_CONTEXT(ctx);
- struct gl_texture_unit *unit;
- int mask, hash;
- const struct value_desc *d;
-
- mask = Elements(table) - 1;
- hash = (pname * prime_factor);
- while (1) {
- d = &values[table[hash & mask]];
-
- /* If the enum isn't valid, the hash walk ends with index 0,
- * which is the API mask entry at the beginning of values[]. */
- if (unlikely(d->type == TYPE_API_MASK)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=%s)", func,
- _mesa_lookup_enum_by_nr(pname));
- return &error_value;
- }
-
- if (likely(d->pname == pname))
- break;
-
- hash += prime_step;
- }
-
- if (unlikely(d->extra && !check_extra(ctx, func, d)))
- return &error_value;
-
- switch (d->location) {
- case LOC_BUFFER:
- *p = ((char *) ctx->DrawBuffer + d->offset);
- return d;
- case LOC_CONTEXT:
- *p = ((char *) ctx + d->offset);
- return d;
- case LOC_ARRAY:
- *p = ((char *) ctx->Array.ArrayObj + d->offset);
- return d;
- case LOC_TEXUNIT:
- unit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- *p = ((char *) unit + d->offset);
- return d;
- case LOC_CUSTOM:
- find_custom_value(ctx, d, v);
- *p = v;
- return d;
- default:
- assert(0);
- break;
- }
-
- /* silence warning */
- return &error_value;
-}
-
-static const int transpose[] = {
- 0, 4, 8, 12,
- 1, 5, 9, 13,
- 2, 6, 10, 14,
- 3, 7, 11, 15
-};
-
-void GLAPIENTRY
-_mesa_GetBooleanv(GLenum pname, GLboolean *params)
-{
- const struct value_desc *d;
- union value v;
- GLmatrix *m;
- int shift, i;
- void *p;
-
- d = find_value("glGetBooleanv", pname, &p, &v);
- switch (d->type) {
- case TYPE_INVALID:
- break;
- case TYPE_CONST:
- params[0] = INT_TO_BOOLEAN(d->offset);
- break;
-
- case TYPE_FLOAT_4:
- case TYPE_FLOATN_4:
- params[3] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[3]);
- case TYPE_FLOAT_3:
- case TYPE_FLOATN_3:
- params[2] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[2]);
- case TYPE_FLOAT_2:
- case TYPE_FLOATN_2:
- params[1] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[1]);
- case TYPE_FLOAT:
- case TYPE_FLOATN:
- params[0] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[0]);
- break;
-
- case TYPE_DOUBLEN:
- params[0] = FLOAT_TO_BOOLEAN(((GLdouble *) p)[0]);
- break;
-
- case TYPE_INT_4:
- params[3] = INT_TO_BOOLEAN(((GLint *) p)[3]);
- case TYPE_INT_3:
- params[2] = INT_TO_BOOLEAN(((GLint *) p)[2]);
- case TYPE_INT_2:
- case TYPE_ENUM_2:
- params[1] = INT_TO_BOOLEAN(((GLint *) p)[1]);
- case TYPE_INT:
- case TYPE_ENUM:
- params[0] = INT_TO_BOOLEAN(((GLint *) p)[0]);
- break;
-
- case TYPE_INT_N:
- for (i = 0; i < v.value_int_n.n; i++)
- params[i] = INT_TO_BOOLEAN(v.value_int_n.ints[i]);
- break;
-
- case TYPE_INT64:
- params[0] = INT64_TO_BOOLEAN(((GLint64 *) p)[0]);
- break;
-
- case TYPE_BOOLEAN:
- params[0] = ((GLboolean*) p)[0];
- break;
-
- case TYPE_MATRIX:
- m = *(GLmatrix **) p;
- for (i = 0; i < 16; i++)
- params[i] = FLOAT_TO_BOOLEAN(m->m[i]);
- break;
-
- case TYPE_MATRIX_T:
- m = *(GLmatrix **) p;
- for (i = 0; i < 16; i++)
- params[i] = FLOAT_TO_BOOLEAN(m->m[transpose[i]]);
- break;
-
- case TYPE_BIT_0:
- case TYPE_BIT_1:
- case TYPE_BIT_2:
- case TYPE_BIT_3:
- case TYPE_BIT_4:
- case TYPE_BIT_5:
- shift = d->type - TYPE_BIT_0;
- params[0] = (*(GLbitfield *) p >> shift) & 1;
- break;
- }
-}
-
-void GLAPIENTRY
-_mesa_GetFloatv(GLenum pname, GLfloat *params)
-{
- const struct value_desc *d;
- union value v;
- GLmatrix *m;
- int shift, i;
- void *p;
-
- d = find_value("glGetFloatv", pname, &p, &v);
- switch (d->type) {
- case TYPE_INVALID:
- break;
- case TYPE_CONST:
- params[0] = (GLfloat) d->offset;
- break;
-
- case TYPE_FLOAT_4:
- case TYPE_FLOATN_4:
- params[3] = ((GLfloat *) p)[3];
- case TYPE_FLOAT_3:
- case TYPE_FLOATN_3:
- params[2] = ((GLfloat *) p)[2];
- case TYPE_FLOAT_2:
- case TYPE_FLOATN_2:
- params[1] = ((GLfloat *) p)[1];
- case TYPE_FLOAT:
- case TYPE_FLOATN:
- params[0] = ((GLfloat *) p)[0];
- break;
-
- case TYPE_DOUBLEN:
- params[0] = ((GLdouble *) p)[0];
- break;
-
- case TYPE_INT_4:
- params[3] = (GLfloat) (((GLint *) p)[3]);
- case TYPE_INT_3:
- params[2] = (GLfloat) (((GLint *) p)[2]);
- case TYPE_INT_2:
- case TYPE_ENUM_2:
- params[1] = (GLfloat) (((GLint *) p)[1]);
- case TYPE_INT:
- case TYPE_ENUM:
- params[0] = (GLfloat) (((GLint *) p)[0]);
- break;
-
- case TYPE_INT_N:
- for (i = 0; i < v.value_int_n.n; i++)
- params[i] = INT_TO_FLOAT(v.value_int_n.ints[i]);
- break;
-
- case TYPE_INT64:
- params[0] = ((GLint64 *) p)[0];
- break;
-
- case TYPE_BOOLEAN:
- params[0] = BOOLEAN_TO_FLOAT(*(GLboolean*) p);
- break;
-
- case TYPE_MATRIX:
- m = *(GLmatrix **) p;
- for (i = 0; i < 16; i++)
- params[i] = m->m[i];
- break;
-
- case TYPE_MATRIX_T:
- m = *(GLmatrix **) p;
- for (i = 0; i < 16; i++)
- params[i] = m->m[transpose[i]];
- break;
-
- case TYPE_BIT_0:
- case TYPE_BIT_1:
- case TYPE_BIT_2:
- case TYPE_BIT_3:
- case TYPE_BIT_4:
- case TYPE_BIT_5:
- shift = d->type - TYPE_BIT_0;
- params[0] = BOOLEAN_TO_FLOAT((*(GLbitfield *) p >> shift) & 1);
- break;
- }
-}
-
-void GLAPIENTRY
-_mesa_GetIntegerv(GLenum pname, GLint *params)
-{
- const struct value_desc *d;
- union value v;
- GLmatrix *m;
- int shift, i;
- void *p;
-
- d = find_value("glGetIntegerv", pname, &p, &v);
- switch (d->type) {
- case TYPE_INVALID:
- break;
- case TYPE_CONST:
- params[0] = d->offset;
- break;
-
- case TYPE_FLOAT_4:
- params[3] = IROUND(((GLfloat *) p)[3]);
- case TYPE_FLOAT_3:
- params[2] = IROUND(((GLfloat *) p)[2]);
- case TYPE_FLOAT_2:
- params[1] = IROUND(((GLfloat *) p)[1]);
- case TYPE_FLOAT:
- params[0] = IROUND(((GLfloat *) p)[0]);
- break;
-
- case TYPE_FLOATN_4:
- params[3] = FLOAT_TO_INT(((GLfloat *) p)[3]);
- case TYPE_FLOATN_3:
- params[2] = FLOAT_TO_INT(((GLfloat *) p)[2]);
- case TYPE_FLOATN_2:
- params[1] = FLOAT_TO_INT(((GLfloat *) p)[1]);
- case TYPE_FLOATN:
- params[0] = FLOAT_TO_INT(((GLfloat *) p)[0]);
- break;
-
- case TYPE_DOUBLEN:
- params[0] = FLOAT_TO_INT(((GLdouble *) p)[0]);
- break;
-
- case TYPE_INT_4:
- params[3] = ((GLint *) p)[3];
- case TYPE_INT_3:
- params[2] = ((GLint *) p)[2];
- case TYPE_INT_2:
- case TYPE_ENUM_2:
- params[1] = ((GLint *) p)[1];
- case TYPE_INT:
- case TYPE_ENUM:
- params[0] = ((GLint *) p)[0];
- break;
-
- case TYPE_INT_N:
- for (i = 0; i < v.value_int_n.n; i++)
- params[i] = v.value_int_n.ints[i];
- break;
-
- case TYPE_INT64:
- params[0] = INT64_TO_INT(((GLint64 *) p)[0]);
- break;
-
- case TYPE_BOOLEAN:
- params[0] = BOOLEAN_TO_INT(*(GLboolean*) p);
- break;
-
- case TYPE_MATRIX:
- m = *(GLmatrix **) p;
- for (i = 0; i < 16; i++)
- params[i] = FLOAT_TO_INT(m->m[i]);
- break;
-
- case TYPE_MATRIX_T:
- m = *(GLmatrix **) p;
- for (i = 0; i < 16; i++)
- params[i] = FLOAT_TO_INT(m->m[transpose[i]]);
- break;
-
- case TYPE_BIT_0:
- case TYPE_BIT_1:
- case TYPE_BIT_2:
- case TYPE_BIT_3:
- case TYPE_BIT_4:
- case TYPE_BIT_5:
- shift = d->type - TYPE_BIT_0;
- params[0] = (*(GLbitfield *) p >> shift) & 1;
- break;
- }
-}
-
-#if FEATURE_ARB_sync
-void GLAPIENTRY
-_mesa_GetInteger64v(GLenum pname, GLint64 *params)
-{
- const struct value_desc *d;
- union value v;
- GLmatrix *m;
- int shift, i;
- void *p;
-
- d = find_value("glGetInteger64v", pname, &p, &v);
- switch (d->type) {
- case TYPE_INVALID:
- break;
- case TYPE_CONST:
- params[0] = d->offset;
- break;
-
- case TYPE_FLOAT_4:
- params[3] = IROUND64(((GLfloat *) p)[3]);
- case TYPE_FLOAT_3:
- params[2] = IROUND64(((GLfloat *) p)[2]);
- case TYPE_FLOAT_2:
- params[1] = IROUND64(((GLfloat *) p)[1]);
- case TYPE_FLOAT:
- params[0] = IROUND64(((GLfloat *) p)[0]);
- break;
-
- case TYPE_FLOATN_4:
- params[3] = FLOAT_TO_INT64(((GLfloat *) p)[3]);
- case TYPE_FLOATN_3:
- params[2] = FLOAT_TO_INT64(((GLfloat *) p)[2]);
- case TYPE_FLOATN_2:
- params[1] = FLOAT_TO_INT64(((GLfloat *) p)[1]);
- case TYPE_FLOATN:
- params[0] = FLOAT_TO_INT64(((GLfloat *) p)[0]);
- break;
-
- case TYPE_DOUBLEN:
- params[0] = FLOAT_TO_INT64(((GLdouble *) p)[0]);
- break;
-
- case TYPE_INT_4:
- params[3] = ((GLint *) p)[3];
- case TYPE_INT_3:
- params[2] = ((GLint *) p)[2];
- case TYPE_INT_2:
- case TYPE_ENUM_2:
- params[1] = ((GLint *) p)[1];
- case TYPE_INT:
- case TYPE_ENUM:
- params[0] = ((GLint *) p)[0];
- break;
-
- case TYPE_INT_N:
- for (i = 0; i < v.value_int_n.n; i++)
- params[i] = INT_TO_BOOLEAN(v.value_int_n.ints[i]);
- break;
-
- case TYPE_INT64:
- params[0] = ((GLint64 *) p)[0];
- break;
-
- case TYPE_BOOLEAN:
- params[0] = ((GLboolean*) p)[0];
- break;
-
- case TYPE_MATRIX:
- m = *(GLmatrix **) p;
- for (i = 0; i < 16; i++)
- params[i] = FLOAT_TO_INT64(m->m[i]);
- break;
-
- case TYPE_MATRIX_T:
- m = *(GLmatrix **) p;
- for (i = 0; i < 16; i++)
- params[i] = FLOAT_TO_INT64(m->m[transpose[i]]);
- break;
-
- case TYPE_BIT_0:
- case TYPE_BIT_1:
- case TYPE_BIT_2:
- case TYPE_BIT_3:
- case TYPE_BIT_4:
- case TYPE_BIT_5:
- shift = d->type - TYPE_BIT_0;
- params[0] = (*(GLbitfield *) p >> shift) & 1;
- break;
- }
-}
-#endif /* FEATURE_ARB_sync */
-
-void GLAPIENTRY
-_mesa_GetDoublev(GLenum pname, GLdouble *params)
-{
- const struct value_desc *d;
- union value v;
- GLmatrix *m;
- int shift, i;
- void *p;
-
- d = find_value("glGetDoublev", pname, &p, &v);
- switch (d->type) {
- case TYPE_INVALID:
- break;
- case TYPE_CONST:
- params[0] = d->offset;
- break;
-
- case TYPE_FLOAT_4:
- case TYPE_FLOATN_4:
- params[3] = ((GLfloat *) p)[3];
- case TYPE_FLOAT_3:
- case TYPE_FLOATN_3:
- params[2] = ((GLfloat *) p)[2];
- case TYPE_FLOAT_2:
- case TYPE_FLOATN_2:
- params[1] = ((GLfloat *) p)[1];
- case TYPE_FLOAT:
- case TYPE_FLOATN:
- params[0] = ((GLfloat *) p)[0];
- break;
-
- case TYPE_DOUBLEN:
- params[0] = ((GLdouble *) p)[0];
- break;
-
- case TYPE_INT_4:
- params[3] = ((GLint *) p)[3];
- case TYPE_INT_3:
- params[2] = ((GLint *) p)[2];
- case TYPE_INT_2:
- case TYPE_ENUM_2:
- params[1] = ((GLint *) p)[1];
- case TYPE_INT:
- case TYPE_ENUM:
- params[0] = ((GLint *) p)[0];
- break;
-
- case TYPE_INT_N:
- for (i = 0; i < v.value_int_n.n; i++)
- params[i] = v.value_int_n.ints[i];
- break;
-
- case TYPE_INT64:
- params[0] = ((GLint64 *) p)[0];
- break;
-
- case TYPE_BOOLEAN:
- params[0] = *(GLboolean*) p;
- break;
-
- case TYPE_MATRIX:
- m = *(GLmatrix **) p;
- for (i = 0; i < 16; i++)
- params[i] = m->m[i];
- break;
-
- case TYPE_MATRIX_T:
- m = *(GLmatrix **) p;
- for (i = 0; i < 16; i++)
- params[i] = m->m[transpose[i]];
- break;
-
- case TYPE_BIT_0:
- case TYPE_BIT_1:
- case TYPE_BIT_2:
- case TYPE_BIT_3:
- case TYPE_BIT_4:
- case TYPE_BIT_5:
- shift = d->type - TYPE_BIT_0;
- params[0] = (*(GLbitfield *) p >> shift) & 1;
- break;
- }
-}
-
-static enum value_type
-find_value_indexed(const char *func, GLenum pname, int index, union value *v)
-{
- GET_CURRENT_CONTEXT(ctx);
-
- switch (pname) {
-
- case GL_BLEND:
- if (index >= ctx->Const.MaxDrawBuffers)
- goto invalid_value;
- if (!ctx->Extensions.EXT_draw_buffers2)
- goto invalid_enum;
- v->value_int = (ctx->Color.BlendEnabled >> index) & 1;
- return TYPE_INT;
-
- case GL_BLEND_SRC:
- /* fall-through */
- case GL_BLEND_SRC_RGB:
- if (index >= ctx->Const.MaxDrawBuffers)
- goto invalid_value;
- if (!ctx->Extensions.ARB_draw_buffers_blend)
- goto invalid_enum;
- v->value_int = ctx->Color.Blend[index].SrcRGB;
- return TYPE_INT;
- case GL_BLEND_SRC_ALPHA:
- if (index >= ctx->Const.MaxDrawBuffers)
- goto invalid_value;
- if (!ctx->Extensions.ARB_draw_buffers_blend)
- goto invalid_enum;
- v->value_int = ctx->Color.Blend[index].SrcA;
- return TYPE_INT;
- case GL_BLEND_DST:
- /* fall-through */
- case GL_BLEND_DST_RGB:
- if (index >= ctx->Const.MaxDrawBuffers)
- goto invalid_value;
- if (!ctx->Extensions.ARB_draw_buffers_blend)
- goto invalid_enum;
- v->value_int = ctx->Color.Blend[index].DstRGB;
- return TYPE_INT;
- case GL_BLEND_DST_ALPHA:
- if (index >= ctx->Const.MaxDrawBuffers)
- goto invalid_value;
- if (!ctx->Extensions.ARB_draw_buffers_blend)
- goto invalid_enum;
- v->value_int = ctx->Color.Blend[index].DstA;
- return TYPE_INT;
- case GL_BLEND_EQUATION_RGB:
- if (index >= ctx->Const.MaxDrawBuffers)
- goto invalid_value;
- if (!ctx->Extensions.ARB_draw_buffers_blend)
- goto invalid_enum;
- v->value_int = ctx->Color.Blend[index].EquationRGB;
- return TYPE_INT;
- case GL_BLEND_EQUATION_ALPHA:
- if (index >= ctx->Const.MaxDrawBuffers)
- goto invalid_value;
- if (!ctx->Extensions.ARB_draw_buffers_blend)
- goto invalid_enum;
- v->value_int = ctx->Color.Blend[index].EquationA;
- return TYPE_INT;
-
- case GL_COLOR_WRITEMASK:
- if (index >= ctx->Const.MaxDrawBuffers)
- goto invalid_value;
- if (!ctx->Extensions.EXT_draw_buffers2)
- goto invalid_enum;
- v->value_int_4[0] = ctx->Color.ColorMask[index][RCOMP] ? 1 : 0;
- v->value_int_4[1] = ctx->Color.ColorMask[index][GCOMP] ? 1 : 0;
- v->value_int_4[2] = ctx->Color.ColorMask[index][BCOMP] ? 1 : 0;
- v->value_int_4[3] = ctx->Color.ColorMask[index][ACOMP] ? 1 : 0;
- return TYPE_INT_4;
-
- case GL_TRANSFORM_FEEDBACK_BUFFER_START:
- if (index >= ctx->Const.MaxTransformFeedbackSeparateAttribs)
- goto invalid_value;
- if (!ctx->Extensions.EXT_transform_feedback)
- goto invalid_enum;
- v->value_int64 = ctx->TransformFeedback.CurrentObject->Offset[index];
- return TYPE_INT64;
-
- case GL_TRANSFORM_FEEDBACK_BUFFER_SIZE:
- if (index >= ctx->Const.MaxTransformFeedbackSeparateAttribs)
- goto invalid_value;
- if (!ctx->Extensions.EXT_transform_feedback)
- goto invalid_enum;
- v->value_int64 = ctx->TransformFeedback.CurrentObject->Size[index];
- return TYPE_INT64;
-
- case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING:
- if (index >= ctx->Const.MaxTransformFeedbackSeparateAttribs)
- goto invalid_value;
- if (!ctx->Extensions.EXT_transform_feedback)
- goto invalid_enum;
- v->value_int = ctx->TransformFeedback.CurrentObject->Buffers[index]->Name;
- return TYPE_INT;
- }
-
- invalid_enum:
- _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=%s)", func,
- _mesa_lookup_enum_by_nr(pname));
- return TYPE_INVALID;
- invalid_value:
- _mesa_error(ctx, GL_INVALID_VALUE, "%s(pname=%s)", func,
- _mesa_lookup_enum_by_nr(pname));
- return TYPE_INVALID;
-}
-
-void GLAPIENTRY
-_mesa_GetBooleanIndexedv( GLenum pname, GLuint index, GLboolean *params )
-{
- union value v;
- enum value_type type =
- find_value_indexed("glGetBooleanIndexedv", pname, index, &v);
-
- switch (type) {
- case TYPE_INT:
- params[0] = INT_TO_BOOLEAN(v.value_int);
- break;
- case TYPE_INT_4:
- params[0] = INT_TO_BOOLEAN(v.value_int_4[0]);
- params[1] = INT_TO_BOOLEAN(v.value_int_4[1]);
- params[2] = INT_TO_BOOLEAN(v.value_int_4[2]);
- params[3] = INT_TO_BOOLEAN(v.value_int_4[3]);
- break;
- case TYPE_INT64:
- params[0] = INT64_TO_BOOLEAN(v.value_int);
- break;
- default:
- ; /* nothing - GL error was recorded */
- }
-}
-
-void GLAPIENTRY
-_mesa_GetIntegerIndexedv( GLenum pname, GLuint index, GLint *params )
-{
- union value v;
- enum value_type type =
- find_value_indexed("glGetIntegerIndexedv", pname, index, &v);
-
- switch (type) {
- case TYPE_INT:
- params[0] = v.value_int;
- break;
- case TYPE_INT_4:
- params[0] = v.value_int_4[0];
- params[1] = v.value_int_4[1];
- params[2] = v.value_int_4[2];
- params[3] = v.value_int_4[3];
- break;
- case TYPE_INT64:
- params[0] = INT64_TO_INT(v.value_int);
- break;
- default:
- ; /* nothing - GL error was recorded */
- }
-}
-
-#if FEATURE_ARB_sync
-void GLAPIENTRY
-_mesa_GetInteger64Indexedv( GLenum pname, GLuint index, GLint64 *params )
-{
- union value v;
- enum value_type type =
- find_value_indexed("glGetIntegerIndexedv", pname, index, &v);
-
- switch (type) {
- case TYPE_INT:
- params[0] = v.value_int;
- break;
- case TYPE_INT_4:
- params[0] = v.value_int_4[0];
- params[1] = v.value_int_4[1];
- params[2] = v.value_int_4[2];
- params[3] = v.value_int_4[3];
- break;
- case TYPE_INT64:
- params[0] = v.value_int;
- break;
- default:
- ; /* nothing - GL error was recorded */
- }
-}
-#endif /* FEATURE_ARB_sync */
-
-#if FEATURE_ES1
-void GLAPIENTRY
-_mesa_GetFixedv(GLenum pname, GLfixed *params)
-{
- const struct value_desc *d;
- union value v;
- GLmatrix *m;
- int shift, i;
- void *p;
-
- d = find_value("glGetDoublev", pname, &p, &v);
- switch (d->type) {
- case TYPE_INVALID:
- break;
- case TYPE_CONST:
- params[0] = INT_TO_FIXED(d->offset);
- break;
-
- case TYPE_FLOAT_4:
- case TYPE_FLOATN_4:
- params[3] = FLOAT_TO_FIXED(((GLfloat *) p)[3]);
- case TYPE_FLOAT_3:
- case TYPE_FLOATN_3:
- params[2] = FLOAT_TO_FIXED(((GLfloat *) p)[2]);
- case TYPE_FLOAT_2:
- case TYPE_FLOATN_2:
- params[1] = FLOAT_TO_FIXED(((GLfloat *) p)[1]);
- case TYPE_FLOAT:
- case TYPE_FLOATN:
- params[0] = FLOAT_TO_FIXED(((GLfloat *) p)[0]);
- break;
-
- case TYPE_DOUBLEN:
- params[0] = FLOAT_TO_FIXED(((GLdouble *) p)[0]);
- break;
-
- case TYPE_INT_4:
- params[3] = INT_TO_FIXED(((GLint *) p)[3]);
- case TYPE_INT_3:
- params[2] = INT_TO_FIXED(((GLint *) p)[2]);
- case TYPE_INT_2:
- case TYPE_ENUM_2:
- params[1] = INT_TO_FIXED(((GLint *) p)[1]);
- case TYPE_INT:
- case TYPE_ENUM:
- params[0] = INT_TO_FIXED(((GLint *) p)[0]);
- break;
-
- case TYPE_INT_N:
- for (i = 0; i < v.value_int_n.n; i++)
- params[i] = INT_TO_FIXED(v.value_int_n.ints[i]);
- break;
-
- case TYPE_INT64:
- params[0] = ((GLint64 *) p)[0];
- break;
-
- case TYPE_BOOLEAN:
- params[0] = BOOLEAN_TO_FIXED(((GLboolean*) p)[0]);
- break;
-
- case TYPE_MATRIX:
- m = *(GLmatrix **) p;
- for (i = 0; i < 16; i++)
- params[i] = FLOAT_TO_FIXED(m->m[i]);
- break;
-
- case TYPE_MATRIX_T:
- m = *(GLmatrix **) p;
- for (i = 0; i < 16; i++)
- params[i] = FLOAT_TO_FIXED(m->m[transpose[i]]);
- break;
-
- case TYPE_BIT_0:
- case TYPE_BIT_1:
- case TYPE_BIT_2:
- case TYPE_BIT_3:
- case TYPE_BIT_4:
- case TYPE_BIT_5:
- shift = d->type - TYPE_BIT_0;
- params[0] = BOOLEAN_TO_FIXED((*(GLbitfield *) p >> shift) & 1);
- break;
- }
-}
-#endif
+/*
+ * Copyright (C) 2010 Brian Paul All Rights Reserved.
+ * Copyright (C) 2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Author: Kristian Høgsberg <krh@bitplanet.net>
+ */
+
+#include "glheader.h"
+#include "context.h"
+#include "enable.h"
+#include "enums.h"
+#include "extensions.h"
+#include "get.h"
+#include "macros.h"
+#include "mfeatures.h"
+#include "mtypes.h"
+#include "state.h"
+#include "texcompress.h"
+#include "framebuffer.h"
+
+/* This is a table driven implemetation of the glGet*v() functions.
+ * The basic idea is that most getters just look up an int somewhere
+ * in struct gl_context and then convert it to a bool or float according to
+ * which of glGetIntegerv() glGetBooleanv() etc is being called.
+ * Instead of generating code to do this, we can just record the enum
+ * value and the offset into struct gl_context in an array of structs. Then
+ * in glGet*(), we lookup the struct for the enum in question, and use
+ * the offset to get the int we need.
+ *
+ * Sometimes we need to look up a float, a boolean, a bit in a
+ * bitfield, a matrix or other types instead, so we need to track the
+ * type of the value in struct gl_context. And sometimes the value isn't in
+ * struct gl_context but in the drawbuffer, the array object, current texture
+ * unit, or maybe it's a computed value. So we need to also track
+ * where or how to find the value. Finally, we sometimes need to
+ * check that one of a number of extensions are enabled, the GL
+ * version or flush or call _mesa_update_state(). This is done by
+ * attaching optional extra information to the value description
+ * struct, it's sort of like an array of opcodes that describe extra
+ * checks or actions.
+ *
+ * Putting all this together we end up with struct value_desc below,
+ * and with a couple of macros to help, the table of struct value_desc
+ * is about as concise as the specification in the old python script.
+ */
+
+#undef CONST
+
+#define FLOAT_TO_BOOLEAN(X) ( (X) ? GL_TRUE : GL_FALSE )
+#define FLOAT_TO_FIXED(F) ( ((F) * 65536.0f > INT_MAX) ? INT_MAX : \
+ ((F) * 65536.0f < INT_MIN) ? INT_MIN : \
+ (GLint) ((F) * 65536.0f) )
+
+#define INT_TO_BOOLEAN(I) ( (I) ? GL_TRUE : GL_FALSE )
+#define INT_TO_FIXED(I) ( ((I) > SHRT_MAX) ? INT_MAX : \
+ ((I) < SHRT_MIN) ? INT_MIN : \
+ (GLint) ((I) * 65536) )
+
+#define INT64_TO_BOOLEAN(I) ( (I) ? GL_TRUE : GL_FALSE )
+#define INT64_TO_INT(I) ( (GLint)((I > INT_MAX) ? INT_MAX : ((I < INT_MIN) ? INT_MIN : (I))) )
+
+#define BOOLEAN_TO_INT(B) ( (GLint) (B) )
+#define BOOLEAN_TO_INT64(B) ( (GLint64) (B) )
+#define BOOLEAN_TO_FLOAT(B) ( (B) ? 1.0F : 0.0F )
+#define BOOLEAN_TO_FIXED(B) ( (GLint) ((B) ? 1 : 0) << 16 )
+
+#define ENUM_TO_INT64(E) ( (GLint64) (E) )
+#define ENUM_TO_FIXED(E) (E)
+
+enum value_type {
+ TYPE_INVALID,
+ TYPE_API_MASK,
+ TYPE_INT,
+ TYPE_INT_2,
+ TYPE_INT_3,
+ TYPE_INT_4,
+ TYPE_INT_N,
+ TYPE_INT64,
+ TYPE_ENUM,
+ TYPE_ENUM_2,
+ TYPE_BOOLEAN,
+ TYPE_BIT_0,
+ TYPE_BIT_1,
+ TYPE_BIT_2,
+ TYPE_BIT_3,
+ TYPE_BIT_4,
+ TYPE_BIT_5,
+ TYPE_FLOAT,
+ TYPE_FLOAT_2,
+ TYPE_FLOAT_3,
+ TYPE_FLOAT_4,
+ TYPE_FLOATN,
+ TYPE_FLOATN_2,
+ TYPE_FLOATN_3,
+ TYPE_FLOATN_4,
+ TYPE_DOUBLEN,
+ TYPE_MATRIX,
+ TYPE_MATRIX_T,
+ TYPE_CONST
+};
+
+enum value_location {
+ LOC_BUFFER,
+ LOC_CONTEXT,
+ LOC_ARRAY,
+ LOC_TEXUNIT,
+ LOC_CUSTOM
+};
+
+enum value_extra {
+ EXTRA_END = 0x8000,
+ EXTRA_VERSION_30,
+ EXTRA_VERSION_31,
+ EXTRA_VERSION_32,
+ EXTRA_VERSION_ES2,
+ EXTRA_NEW_BUFFERS,
+ EXTRA_VALID_DRAW_BUFFER,
+ EXTRA_VALID_TEXTURE_UNIT,
+ EXTRA_FLUSH_CURRENT,
+};
+
+#define NO_EXTRA NULL
+#define NO_OFFSET 0
+
+struct value_desc {
+ GLenum pname;
+ GLubyte location; /**< enum value_location */
+ GLubyte type; /**< enum value_type */
+ int offset;
+ const int *extra;
+};
+
+union value {
+ GLfloat value_float;
+ GLfloat value_float_4[4];
+ GLmatrix *value_matrix;
+ GLint value_int;
+ GLint value_int_4[4];
+ GLint64 value_int64;
+ GLenum value_enum;
+
+ /* Sigh, see GL_COMPRESSED_TEXTURE_FORMATS_ARB handling */
+ struct {
+ GLint n, ints[100];
+ } value_int_n;
+ GLboolean value_bool;
+};
+
+#define BUFFER_FIELD(field, type) \
+ LOC_BUFFER, type, offsetof(struct gl_framebuffer, field)
+#define CONTEXT_FIELD(field, type) \
+ LOC_CONTEXT, type, offsetof(struct gl_context, field)
+#define ARRAY_FIELD(field, type) \
+ LOC_ARRAY, type, offsetof(struct gl_array_object, field)
+#define CONST(value) \
+ LOC_CONTEXT, TYPE_CONST, value
+
+#define BUFFER_INT(field) BUFFER_FIELD(field, TYPE_INT)
+#define BUFFER_ENUM(field) BUFFER_FIELD(field, TYPE_ENUM)
+#define BUFFER_BOOL(field) BUFFER_FIELD(field, TYPE_BOOLEAN)
+
+#define CONTEXT_INT(field) CONTEXT_FIELD(field, TYPE_INT)
+#define CONTEXT_INT2(field) CONTEXT_FIELD(field, TYPE_INT_2)
+#define CONTEXT_INT64(field) CONTEXT_FIELD(field, TYPE_INT64)
+#define CONTEXT_ENUM(field) CONTEXT_FIELD(field, TYPE_ENUM)
+#define CONTEXT_ENUM2(field) CONTEXT_FIELD(field, TYPE_ENUM_2)
+#define CONTEXT_BOOL(field) CONTEXT_FIELD(field, TYPE_BOOLEAN)
+#define CONTEXT_BIT0(field) CONTEXT_FIELD(field, TYPE_BIT_0)
+#define CONTEXT_BIT1(field) CONTEXT_FIELD(field, TYPE_BIT_1)
+#define CONTEXT_BIT2(field) CONTEXT_FIELD(field, TYPE_BIT_2)
+#define CONTEXT_BIT3(field) CONTEXT_FIELD(field, TYPE_BIT_3)
+#define CONTEXT_BIT4(field) CONTEXT_FIELD(field, TYPE_BIT_4)
+#define CONTEXT_BIT5(field) CONTEXT_FIELD(field, TYPE_BIT_5)
+#define CONTEXT_FLOAT(field) CONTEXT_FIELD(field, TYPE_FLOAT)
+#define CONTEXT_FLOAT2(field) CONTEXT_FIELD(field, TYPE_FLOAT_2)
+#define CONTEXT_FLOAT3(field) CONTEXT_FIELD(field, TYPE_FLOAT_3)
+#define CONTEXT_FLOAT4(field) CONTEXT_FIELD(field, TYPE_FLOAT_4)
+#define CONTEXT_MATRIX(field) CONTEXT_FIELD(field, TYPE_MATRIX)
+#define CONTEXT_MATRIX_T(field) CONTEXT_FIELD(field, TYPE_MATRIX_T)
+
+#define ARRAY_INT(field) ARRAY_FIELD(field, TYPE_INT)
+#define ARRAY_ENUM(field) ARRAY_FIELD(field, TYPE_ENUM)
+#define ARRAY_BOOL(field) ARRAY_FIELD(field, TYPE_BOOLEAN)
+
+#define EXT(f) \
+ offsetof(struct gl_extensions, f)
+
+#define EXTRA_EXT(e) \
+ static const int extra_##e[] = { \
+ EXT(e), EXTRA_END \
+ }
+
+#define EXTRA_EXT2(e1, e2) \
+ static const int extra_##e1##_##e2[] = { \
+ EXT(e1), EXT(e2), EXTRA_END \
+ }
+
+/* The 'extra' mechanism is a way to specify extra checks (such as
+ * extensions or specific gl versions) or actions (flush current, new
+ * buffers) that we need to do before looking up an enum. We need to
+ * declare them all up front so we can refer to them in the value_desc
+ * structs below. */
+
+static const int extra_new_buffers[] = {
+ EXTRA_NEW_BUFFERS,
+ EXTRA_END
+};
+
+static const int extra_valid_draw_buffer[] = {
+ EXTRA_VALID_DRAW_BUFFER,
+ EXTRA_END
+};
+
+static const int extra_valid_texture_unit[] = {
+ EXTRA_VALID_TEXTURE_UNIT,
+ EXTRA_END
+};
+
+static const int extra_flush_current_valid_texture_unit[] = {
+ EXTRA_FLUSH_CURRENT,
+ EXTRA_VALID_TEXTURE_UNIT,
+ EXTRA_END
+};
+
+static const int extra_flush_current[] = {
+ EXTRA_FLUSH_CURRENT,
+ EXTRA_END
+};
+
+static const int extra_new_buffers_OES_read_format[] = {
+ EXTRA_NEW_BUFFERS,
+ EXT(OES_read_format),
+ EXTRA_END
+};
+
+static const int extra_EXT_secondary_color_flush_current[] = {
+ EXT(EXT_secondary_color),
+ EXTRA_FLUSH_CURRENT,
+ EXTRA_END
+};
+
+static const int extra_EXT_fog_coord_flush_current[] = {
+ EXT(EXT_fog_coord),
+ EXTRA_FLUSH_CURRENT,
+ EXTRA_END
+};
+
+static const int extra_EXT_texture_integer[] = {
+ EXT(EXT_texture_integer),
+ EXTRA_END
+};
+
+static const int extra_EXT_gpu_shader4[] = {
+ EXT(EXT_gpu_shader4),
+ EXTRA_END
+};
+
+
+EXTRA_EXT(ARB_ES2_compatibility);
+EXTRA_EXT(ARB_multitexture);
+EXTRA_EXT(ARB_texture_cube_map);
+EXTRA_EXT(MESA_texture_array);
+EXTRA_EXT2(EXT_secondary_color, ARB_vertex_program);
+EXTRA_EXT(EXT_secondary_color);
+EXTRA_EXT(EXT_fog_coord);
+EXTRA_EXT(EXT_texture_lod_bias);
+EXTRA_EXT(EXT_texture_filter_anisotropic);
+EXTRA_EXT(IBM_rasterpos_clip);
+EXTRA_EXT(NV_point_sprite);
+EXTRA_EXT(SGIS_generate_mipmap);
+EXTRA_EXT(NV_vertex_program);
+EXTRA_EXT(NV_fragment_program);
+EXTRA_EXT(NV_texture_rectangle);
+EXTRA_EXT(EXT_stencil_two_side);
+EXTRA_EXT(NV_light_max_exponent);
+EXTRA_EXT(EXT_depth_bounds_test);
+EXTRA_EXT(ARB_depth_clamp);
+EXTRA_EXT(ATI_fragment_shader);
+EXTRA_EXT(EXT_framebuffer_blit);
+EXTRA_EXT(ARB_shader_objects);
+EXTRA_EXT(EXT_provoking_vertex);
+EXTRA_EXT(ARB_fragment_shader);
+EXTRA_EXT(ARB_fragment_program);
+EXTRA_EXT2(ARB_framebuffer_object, EXT_framebuffer_multisample);
+EXTRA_EXT(EXT_framebuffer_object);
+EXTRA_EXT(APPLE_vertex_array_object);
+EXTRA_EXT(ARB_seamless_cube_map);
+EXTRA_EXT(EXT_compiled_vertex_array);
+EXTRA_EXT(ARB_sync);
+EXTRA_EXT(ARB_vertex_shader);
+EXTRA_EXT(EXT_transform_feedback);
+EXTRA_EXT(ARB_transform_feedback2);
+EXTRA_EXT(EXT_pixel_buffer_object);
+EXTRA_EXT(ARB_vertex_program);
+EXTRA_EXT2(NV_point_sprite, ARB_point_sprite);
+EXTRA_EXT2(ARB_fragment_program, NV_fragment_program);
+EXTRA_EXT2(ARB_vertex_program, NV_vertex_program);
+EXTRA_EXT2(ARB_vertex_program, ARB_fragment_program);
+EXTRA_EXT(ARB_vertex_buffer_object);
+EXTRA_EXT(ARB_geometry_shader4);
+EXTRA_EXT(ARB_copy_buffer);
+EXTRA_EXT(EXT_framebuffer_sRGB);
+
+static const int
+extra_ARB_vertex_program_ARB_fragment_program_NV_vertex_program[] = {
+ EXT(ARB_vertex_program),
+ EXT(ARB_fragment_program),
+ EXT(NV_vertex_program),
+ EXTRA_END
+};
+
+static const int
+extra_NV_vertex_program_ARB_vertex_program_ARB_fragment_program_NV_vertex_program[] = {
+ EXT(NV_vertex_program),
+ EXT(ARB_vertex_program),
+ EXT(ARB_fragment_program),
+ EXT(NV_vertex_program),
+ EXTRA_END
+};
+
+static const int
+extra_NV_primitive_restart[] = {
+ EXT(NV_primitive_restart),
+ EXTRA_END
+};
+
+static const int extra_version_30[] = { EXTRA_VERSION_30, EXTRA_END };
+static const int extra_version_31[] = { EXTRA_VERSION_31, EXTRA_END };
+static const int extra_version_32[] = { EXTRA_VERSION_32, EXTRA_END };
+
+static const int
+extra_ARB_vertex_program_version_es2[] = {
+ EXT(ARB_vertex_program),
+ EXTRA_VERSION_ES2,
+ EXTRA_END
+};
+
+#define API_OPENGL_BIT (1 << API_OPENGL)
+#define API_OPENGLES_BIT (1 << API_OPENGLES)
+#define API_OPENGLES2_BIT (1 << API_OPENGLES2)
+
+/* This is the big table describing all the enums we accept in
+ * glGet*v(). The table is partitioned into six parts: enums
+ * understood by all GL APIs (OpenGL, GLES and GLES2), enums shared
+ * between OpenGL and GLES, enums exclusive to GLES, etc for the
+ * remaining combinations. When we add the enums to the hash table in
+ * _mesa_init_get_hash(), we only add the enums for the API we're
+ * instantiating and the different sections are guarded by #if
+ * FEATURE_GL etc to make sure we only compile in the enums we may
+ * need. */
+
+static const struct value_desc values[] = {
+ /* Enums shared between OpenGL, GLES1 and GLES2 */
+ { 0, 0, TYPE_API_MASK,
+ API_OPENGL_BIT | API_OPENGLES_BIT | API_OPENGLES2_BIT, NO_EXTRA},
+ { GL_ALPHA_BITS, BUFFER_INT(Visual.alphaBits), extra_new_buffers },
+ { GL_BLEND, CONTEXT_BIT0(Color.BlendEnabled), NO_EXTRA },
+ { GL_BLEND_SRC, CONTEXT_ENUM(Color.Blend[0].SrcRGB), NO_EXTRA },
+ { GL_BLUE_BITS, BUFFER_INT(Visual.blueBits), extra_new_buffers },
+ { GL_COLOR_CLEAR_VALUE, CONTEXT_FIELD(Color.ClearColor[0], TYPE_FLOATN_4), NO_EXTRA },
+ { GL_COLOR_WRITEMASK, LOC_CUSTOM, TYPE_INT_4, 0, NO_EXTRA },
+ { GL_CULL_FACE, CONTEXT_BOOL(Polygon.CullFlag), NO_EXTRA },
+ { GL_CULL_FACE_MODE, CONTEXT_ENUM(Polygon.CullFaceMode), NO_EXTRA },
+ { GL_DEPTH_BITS, BUFFER_INT(Visual.depthBits), NO_EXTRA },
+ { GL_DEPTH_CLEAR_VALUE, CONTEXT_FIELD(Depth.Clear, TYPE_DOUBLEN), NO_EXTRA },
+ { GL_DEPTH_FUNC, CONTEXT_ENUM(Depth.Func), NO_EXTRA },
+ { GL_DEPTH_RANGE, CONTEXT_FIELD(Viewport.Near, TYPE_FLOATN_2), NO_EXTRA },
+ { GL_DEPTH_TEST, CONTEXT_BOOL(Depth.Test), NO_EXTRA },
+ { GL_DEPTH_WRITEMASK, CONTEXT_BOOL(Depth.Mask), NO_EXTRA },
+ { GL_DITHER, CONTEXT_BOOL(Color.DitherFlag), NO_EXTRA },
+ { GL_FRONT_FACE, CONTEXT_ENUM(Polygon.FrontFace), NO_EXTRA },
+ { GL_GREEN_BITS, BUFFER_INT(Visual.greenBits), extra_new_buffers },
+ { GL_LINE_WIDTH, CONTEXT_FLOAT(Line.Width), NO_EXTRA },
+ { GL_ALIASED_LINE_WIDTH_RANGE, CONTEXT_FLOAT2(Const.MinLineWidth), NO_EXTRA },
+ { GL_MAX_ELEMENTS_VERTICES, CONTEXT_INT(Const.MaxArrayLockSize), NO_EXTRA },
+ { GL_MAX_ELEMENTS_INDICES, CONTEXT_INT(Const.MaxArrayLockSize), NO_EXTRA },
+ { GL_MAX_TEXTURE_SIZE, LOC_CUSTOM, TYPE_INT,
+ offsetof(struct gl_context, Const.MaxTextureLevels), NO_EXTRA },
+ { GL_MAX_VIEWPORT_DIMS, CONTEXT_INT2(Const.MaxViewportWidth), NO_EXTRA },
+ { GL_PACK_ALIGNMENT, CONTEXT_INT(Pack.Alignment), NO_EXTRA },
+ { GL_ALIASED_POINT_SIZE_RANGE, CONTEXT_FLOAT2(Const.MinPointSize), NO_EXTRA },
+ { GL_POLYGON_OFFSET_FACTOR, CONTEXT_FLOAT(Polygon.OffsetFactor ), NO_EXTRA },
+ { GL_POLYGON_OFFSET_UNITS, CONTEXT_FLOAT(Polygon.OffsetUnits ), NO_EXTRA },
+ { GL_POLYGON_OFFSET_FILL, CONTEXT_BOOL(Polygon.OffsetFill), NO_EXTRA },
+ { GL_RED_BITS, BUFFER_INT(Visual.redBits), extra_new_buffers },
+ { GL_SCISSOR_BOX, LOC_CUSTOM, TYPE_INT_4, 0, NO_EXTRA },
+ { GL_SCISSOR_TEST, CONTEXT_BOOL(Scissor.Enabled), NO_EXTRA },
+ { GL_STENCIL_BITS, BUFFER_INT(Visual.stencilBits), NO_EXTRA },
+ { GL_STENCIL_CLEAR_VALUE, CONTEXT_INT(Stencil.Clear), NO_EXTRA },
+ { GL_STENCIL_FAIL, LOC_CUSTOM, TYPE_ENUM, NO_OFFSET, NO_EXTRA },
+ { GL_STENCIL_FUNC, LOC_CUSTOM, TYPE_ENUM, NO_OFFSET, NO_EXTRA },
+ { GL_STENCIL_PASS_DEPTH_FAIL, LOC_CUSTOM, TYPE_ENUM, NO_OFFSET, NO_EXTRA },
+ { GL_STENCIL_PASS_DEPTH_PASS, LOC_CUSTOM, TYPE_ENUM, NO_OFFSET, NO_EXTRA },
+ { GL_STENCIL_REF, LOC_CUSTOM, TYPE_INT, NO_OFFSET, NO_EXTRA },
+ { GL_STENCIL_TEST, CONTEXT_BOOL(Stencil.Enabled), NO_EXTRA },
+ { GL_STENCIL_VALUE_MASK, LOC_CUSTOM, TYPE_INT, NO_OFFSET, NO_EXTRA },
+ { GL_STENCIL_WRITEMASK, LOC_CUSTOM, TYPE_INT, NO_OFFSET, NO_EXTRA },
+ { GL_SUBPIXEL_BITS, CONTEXT_INT(Const.SubPixelBits), NO_EXTRA },
+ { GL_TEXTURE_BINDING_2D, LOC_CUSTOM, TYPE_INT, TEXTURE_2D_INDEX, NO_EXTRA },
+ { GL_UNPACK_ALIGNMENT, CONTEXT_INT(Unpack.Alignment), NO_EXTRA },
+ { GL_VIEWPORT, LOC_CUSTOM, TYPE_INT_4, 0, NO_EXTRA },
+
+ /* GL_ARB_multitexture */
+ { GL_ACTIVE_TEXTURE_ARB,
+ LOC_CUSTOM, TYPE_INT, 0, extra_ARB_multitexture },
+
+ /* Note that all the OES_* extensions require that the Mesa "struct
+ * gl_extensions" include a member with the name of the extension.
+ * That structure does not yet include OES extensions (and we're
+ * not sure whether it will). If it does, all the OES_*
+ * extensions below should mark the dependency. */
+
+ /* GL_ARB_texture_cube_map */
+ { GL_TEXTURE_BINDING_CUBE_MAP_ARB, LOC_CUSTOM, TYPE_INT,
+ TEXTURE_CUBE_INDEX, extra_ARB_texture_cube_map },
+ { GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB, LOC_CUSTOM, TYPE_INT,
+ offsetof(struct gl_context, Const.MaxCubeTextureLevels),
+ extra_ARB_texture_cube_map }, /* XXX: OES_texture_cube_map */
+
+ /* XXX: OES_blend_subtract */
+ { GL_BLEND_SRC_RGB_EXT, CONTEXT_ENUM(Color.Blend[0].SrcRGB), NO_EXTRA },
+ { GL_BLEND_DST_RGB_EXT, CONTEXT_ENUM(Color.Blend[0].DstRGB), NO_EXTRA },
+ { GL_BLEND_SRC_ALPHA_EXT, CONTEXT_ENUM(Color.Blend[0].SrcA), NO_EXTRA },
+ { GL_BLEND_DST_ALPHA_EXT, CONTEXT_ENUM(Color.Blend[0].DstA), NO_EXTRA },
+
+ /* GL_BLEND_EQUATION_RGB, which is what we're really after, is
+ * defined identically to GL_BLEND_EQUATION. */
+ { GL_BLEND_EQUATION, CONTEXT_ENUM(Color.Blend[0].EquationRGB), NO_EXTRA },
+ { GL_BLEND_EQUATION_ALPHA_EXT, CONTEXT_ENUM(Color.Blend[0].EquationA), NO_EXTRA },
+
+ /* GL_ARB_texture_compression */
+ { GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA },
+ { GL_COMPRESSED_TEXTURE_FORMATS_ARB, LOC_CUSTOM, TYPE_INT_N, 0, NO_EXTRA },
+
+ /* GL_ARB_multisample */
+ { GL_SAMPLE_ALPHA_TO_COVERAGE_ARB,
+ CONTEXT_BOOL(Multisample.SampleAlphaToCoverage), NO_EXTRA },
+ { GL_SAMPLE_COVERAGE_ARB, CONTEXT_BOOL(Multisample.SampleCoverage), NO_EXTRA },
+ { GL_SAMPLE_COVERAGE_VALUE_ARB,
+ CONTEXT_FLOAT(Multisample.SampleCoverageValue), NO_EXTRA },
+ { GL_SAMPLE_COVERAGE_INVERT_ARB,
+ CONTEXT_BOOL(Multisample.SampleCoverageInvert), NO_EXTRA },
+ { GL_SAMPLE_BUFFERS_ARB, BUFFER_INT(Visual.sampleBuffers), NO_EXTRA },
+ { GL_SAMPLES_ARB, BUFFER_INT(Visual.samples), NO_EXTRA },
+
+ /* GL_SGIS_generate_mipmap */
+ { GL_GENERATE_MIPMAP_HINT_SGIS, CONTEXT_ENUM(Hint.GenerateMipmap),
+ extra_SGIS_generate_mipmap },
+
+ /* GL_ARB_vertex_buffer_object */
+ { GL_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA },
+
+ /* GL_ARB_vertex_buffer_object */
+ /* GL_WEIGHT_ARRAY_BUFFER_BINDING_ARB - not supported */
+ { GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT, 0,
+ extra_ARB_vertex_buffer_object },
+
+ /* GL_ARB_copy_buffer */
+ { GL_COPY_READ_BUFFER, LOC_CUSTOM, TYPE_INT, 0, extra_ARB_copy_buffer },
+ { GL_COPY_WRITE_BUFFER, LOC_CUSTOM, TYPE_INT, 0, extra_ARB_copy_buffer },
+
+ /* GL_OES_read_format */
+ { GL_IMPLEMENTATION_COLOR_READ_TYPE_OES, LOC_CUSTOM, TYPE_INT, 0,
+ extra_new_buffers_OES_read_format },
+ { GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES, LOC_CUSTOM, TYPE_INT, 0,
+ extra_new_buffers_OES_read_format },
+
+ /* GL_EXT_framebuffer_object */
+ { GL_FRAMEBUFFER_BINDING_EXT, BUFFER_INT(Name),
+ extra_EXT_framebuffer_object },
+ { GL_RENDERBUFFER_BINDING_EXT, LOC_CUSTOM, TYPE_INT, 0,
+ extra_EXT_framebuffer_object },
+ { GL_MAX_RENDERBUFFER_SIZE_EXT, CONTEXT_INT(Const.MaxRenderbufferSize),
+ extra_EXT_framebuffer_object },
+
+ /* This entry isn't spec'ed for GLES 2, but is needed for Mesa's
+ * GLSL: */
+ { GL_MAX_CLIP_PLANES, CONTEXT_INT(Const.MaxClipPlanes), NO_EXTRA },
+
+#if FEATURE_GL || FEATURE_ES1
+ /* Enums in OpenGL and GLES1 */
+ { 0, 0, TYPE_API_MASK, API_OPENGL_BIT | API_OPENGLES_BIT, NO_EXTRA },
+ { GL_LIGHT0, CONTEXT_BOOL(Light.Light[0].Enabled), NO_EXTRA },
+ { GL_LIGHT1, CONTEXT_BOOL(Light.Light[1].Enabled), NO_EXTRA },
+ { GL_LIGHT2, CONTEXT_BOOL(Light.Light[2].Enabled), NO_EXTRA },
+ { GL_LIGHT3, CONTEXT_BOOL(Light.Light[3].Enabled), NO_EXTRA },
+ { GL_LIGHT4, CONTEXT_BOOL(Light.Light[4].Enabled), NO_EXTRA },
+ { GL_LIGHT5, CONTEXT_BOOL(Light.Light[5].Enabled), NO_EXTRA },
+ { GL_LIGHT6, CONTEXT_BOOL(Light.Light[6].Enabled), NO_EXTRA },
+ { GL_LIGHT7, CONTEXT_BOOL(Light.Light[7].Enabled), NO_EXTRA },
+ { GL_LIGHTING, CONTEXT_BOOL(Light.Enabled), NO_EXTRA },
+ { GL_LIGHT_MODEL_AMBIENT,
+ CONTEXT_FIELD(Light.Model.Ambient[0], TYPE_FLOATN_4), NO_EXTRA },
+ { GL_LIGHT_MODEL_TWO_SIDE, CONTEXT_BOOL(Light.Model.TwoSide), NO_EXTRA },
+ { GL_ALPHA_TEST, CONTEXT_BOOL(Color.AlphaEnabled), NO_EXTRA },
+ { GL_ALPHA_TEST_FUNC, CONTEXT_ENUM(Color.AlphaFunc), NO_EXTRA },
+ { GL_ALPHA_TEST_REF, CONTEXT_FIELD(Color.AlphaRef, TYPE_FLOATN), NO_EXTRA },
+ { GL_BLEND_DST, CONTEXT_ENUM(Color.Blend[0].DstRGB), NO_EXTRA },
+ { GL_CLIP_PLANE0, CONTEXT_BIT0(Transform.ClipPlanesEnabled), NO_EXTRA },
+ { GL_CLIP_PLANE1, CONTEXT_BIT1(Transform.ClipPlanesEnabled), NO_EXTRA },
+ { GL_CLIP_PLANE2, CONTEXT_BIT2(Transform.ClipPlanesEnabled), NO_EXTRA },
+ { GL_CLIP_PLANE3, CONTEXT_BIT3(Transform.ClipPlanesEnabled), NO_EXTRA },
+ { GL_CLIP_PLANE4, CONTEXT_BIT4(Transform.ClipPlanesEnabled), NO_EXTRA },
+ { GL_CLIP_PLANE5, CONTEXT_BIT5(Transform.ClipPlanesEnabled), NO_EXTRA },
+ { GL_COLOR_MATERIAL, CONTEXT_BOOL(Light.ColorMaterialEnabled), NO_EXTRA },
+ { GL_CURRENT_COLOR,
+ CONTEXT_FIELD(Current.Attrib[VERT_ATTRIB_COLOR0][0], TYPE_FLOATN_4),
+ extra_flush_current },
+ { GL_CURRENT_NORMAL,
+ CONTEXT_FIELD(Current.Attrib[VERT_ATTRIB_NORMAL][0], TYPE_FLOATN_3),
+ extra_flush_current },
+ { GL_CURRENT_TEXTURE_COORDS, LOC_CUSTOM, TYPE_FLOAT_4, 0,
+ extra_flush_current_valid_texture_unit },
+ { GL_DISTANCE_ATTENUATION_EXT, CONTEXT_FLOAT3(Point.Params[0]), NO_EXTRA },
+ { GL_FOG, CONTEXT_BOOL(Fog.Enabled), NO_EXTRA },
+ { GL_FOG_COLOR, CONTEXT_FIELD(Fog.Color[0], TYPE_FLOATN_4), NO_EXTRA },
+ { GL_FOG_DENSITY, CONTEXT_FLOAT(Fog.Density), NO_EXTRA },
+ { GL_FOG_END, CONTEXT_FLOAT(Fog.End), NO_EXTRA },
+ { GL_FOG_HINT, CONTEXT_ENUM(Hint.Fog), NO_EXTRA },
+ { GL_FOG_MODE, CONTEXT_ENUM(Fog.Mode), NO_EXTRA },
+ { GL_FOG_START, CONTEXT_FLOAT(Fog.Start), NO_EXTRA },
+ { GL_LINE_SMOOTH, CONTEXT_BOOL(Line.SmoothFlag), NO_EXTRA },
+ { GL_LINE_SMOOTH_HINT, CONTEXT_ENUM(Hint.LineSmooth), NO_EXTRA },
+ { GL_LINE_WIDTH_RANGE, CONTEXT_FLOAT2(Const.MinLineWidthAA), NO_EXTRA },
+ { GL_COLOR_LOGIC_OP, CONTEXT_BOOL(Color.ColorLogicOpEnabled), NO_EXTRA },
+ { GL_LOGIC_OP_MODE, CONTEXT_ENUM(Color.LogicOp), NO_EXTRA },
+ { GL_MATRIX_MODE, CONTEXT_ENUM(Transform.MatrixMode), NO_EXTRA },
+ { GL_MAX_MODELVIEW_STACK_DEPTH, CONST(MAX_MODELVIEW_STACK_DEPTH), NO_EXTRA },
+ { GL_MAX_PROJECTION_STACK_DEPTH, CONST(MAX_PROJECTION_STACK_DEPTH), NO_EXTRA },
+ { GL_MAX_TEXTURE_STACK_DEPTH, CONST(MAX_TEXTURE_STACK_DEPTH), NO_EXTRA },
+ { GL_MODELVIEW_MATRIX, CONTEXT_MATRIX(ModelviewMatrixStack.Top), NO_EXTRA },
+ { GL_MODELVIEW_STACK_DEPTH, LOC_CUSTOM, TYPE_INT,
+ offsetof(struct gl_context, ModelviewMatrixStack.Depth), NO_EXTRA },
+ { GL_NORMALIZE, CONTEXT_BOOL(Transform.Normalize), NO_EXTRA },
+ { GL_PACK_SKIP_IMAGES_EXT, CONTEXT_INT(Pack.SkipImages), NO_EXTRA },
+ { GL_PERSPECTIVE_CORRECTION_HINT, CONTEXT_ENUM(Hint.PerspectiveCorrection), NO_EXTRA },
+ { GL_POINT_SIZE, CONTEXT_FLOAT(Point.Size), NO_EXTRA },
+ { GL_POINT_SIZE_RANGE, CONTEXT_FLOAT2(Const.MinPointSizeAA), NO_EXTRA },
+ { GL_POINT_SMOOTH, CONTEXT_BOOL(Point.SmoothFlag), NO_EXTRA },
+ { GL_POINT_SMOOTH_HINT, CONTEXT_ENUM(Hint.PointSmooth), NO_EXTRA },
+ { GL_POINT_SIZE_MIN_EXT, CONTEXT_FLOAT(Point.MinSize), NO_EXTRA },
+ { GL_POINT_SIZE_MAX_EXT, CONTEXT_FLOAT(Point.MaxSize), NO_EXTRA },
+ { GL_POINT_FADE_THRESHOLD_SIZE_EXT, CONTEXT_FLOAT(Point.Threshold), NO_EXTRA },
+ { GL_PROJECTION_MATRIX, CONTEXT_MATRIX(ProjectionMatrixStack.Top), NO_EXTRA },
+ { GL_PROJECTION_STACK_DEPTH, LOC_CUSTOM, TYPE_INT,
+ offsetof(struct gl_context, ProjectionMatrixStack.Depth), NO_EXTRA },
+ { GL_RESCALE_NORMAL, CONTEXT_BOOL(Transform.RescaleNormals), NO_EXTRA },
+ { GL_SHADE_MODEL, CONTEXT_ENUM(Light.ShadeModel), NO_EXTRA },
+ { GL_TEXTURE_2D, LOC_CUSTOM, TYPE_BOOLEAN, 0, NO_EXTRA },
+ { GL_TEXTURE_MATRIX, LOC_CUSTOM, TYPE_MATRIX, 0, extra_valid_texture_unit },
+ { GL_TEXTURE_STACK_DEPTH, LOC_CUSTOM, TYPE_INT, 0,
+ extra_valid_texture_unit },
+
+ { GL_VERTEX_ARRAY, ARRAY_BOOL(Vertex.Enabled), NO_EXTRA },
+ { GL_VERTEX_ARRAY_SIZE, ARRAY_INT(Vertex.Size), NO_EXTRA },
+ { GL_VERTEX_ARRAY_TYPE, ARRAY_ENUM(Vertex.Type), NO_EXTRA },
+ { GL_VERTEX_ARRAY_STRIDE, ARRAY_INT(Vertex.Stride), NO_EXTRA },
+ { GL_NORMAL_ARRAY, ARRAY_BOOL(Normal.Enabled), NO_EXTRA },
+ { GL_NORMAL_ARRAY_TYPE, ARRAY_ENUM(Normal.Type), NO_EXTRA },
+ { GL_NORMAL_ARRAY_STRIDE, ARRAY_INT(Normal.Stride), NO_EXTRA },
+ { GL_COLOR_ARRAY, ARRAY_BOOL(Color.Enabled), NO_EXTRA },
+ { GL_COLOR_ARRAY_SIZE, ARRAY_INT(Color.Size), NO_EXTRA },
+ { GL_COLOR_ARRAY_TYPE, ARRAY_ENUM(Color.Type), NO_EXTRA },
+ { GL_COLOR_ARRAY_STRIDE, ARRAY_INT(Color.Stride), NO_EXTRA },
+ { GL_TEXTURE_COORD_ARRAY,
+ LOC_CUSTOM, TYPE_BOOLEAN, offsetof(struct gl_client_array, Enabled), NO_EXTRA },
+ { GL_TEXTURE_COORD_ARRAY_SIZE,
+ LOC_CUSTOM, TYPE_INT, offsetof(struct gl_client_array, Size), NO_EXTRA },
+ { GL_TEXTURE_COORD_ARRAY_TYPE,
+ LOC_CUSTOM, TYPE_ENUM, offsetof(struct gl_client_array, Type), NO_EXTRA },
+ { GL_TEXTURE_COORD_ARRAY_STRIDE,
+ LOC_CUSTOM, TYPE_INT, offsetof(struct gl_client_array, Stride), NO_EXTRA },
+
+ /* GL_ARB_ES2_compatibility */
+ { GL_SHADER_COMPILER, CONST(1), extra_ARB_ES2_compatibility },
+ { GL_MAX_VARYING_VECTORS, CONTEXT_INT(Const.MaxVarying),
+ extra_ARB_ES2_compatibility },
+ { GL_MAX_VERTEX_UNIFORM_VECTORS, LOC_CUSTOM, TYPE_INT, 0,
+ extra_ARB_ES2_compatibility },
+ { GL_MAX_FRAGMENT_UNIFORM_VECTORS, LOC_CUSTOM, TYPE_INT, 0,
+ extra_ARB_ES2_compatibility },
+
+ /* GL_ARB_multitexture */
+ { GL_MAX_TEXTURE_UNITS_ARB,
+ CONTEXT_INT(Const.MaxTextureUnits), extra_ARB_multitexture },
+ { GL_CLIENT_ACTIVE_TEXTURE_ARB,
+ LOC_CUSTOM, TYPE_INT, 0, extra_ARB_multitexture },
+
+ /* GL_ARB_texture_cube_map */
+ { GL_TEXTURE_CUBE_MAP_ARB, LOC_CUSTOM, TYPE_BOOLEAN, 0, NO_EXTRA },
+ /* S, T, and R are always set at the same time */
+ { GL_TEXTURE_GEN_STR_OES, LOC_TEXUNIT, TYPE_BIT_0,
+ offsetof(struct gl_texture_unit, TexGenEnabled), NO_EXTRA },
+
+ /* GL_ARB_multisample */
+ { GL_MULTISAMPLE_ARB, CONTEXT_BOOL(Multisample.Enabled), NO_EXTRA },
+ { GL_SAMPLE_ALPHA_TO_ONE_ARB, CONTEXT_BOOL(Multisample.SampleAlphaToOne), NO_EXTRA },
+
+ /* GL_ARB_vertex_buffer_object */
+ { GL_VERTEX_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
+ offsetof(struct gl_array_object, Vertex.BufferObj), NO_EXTRA },
+ { GL_NORMAL_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
+ offsetof(struct gl_array_object, Normal.BufferObj), NO_EXTRA },
+ { GL_COLOR_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
+ offsetof(struct gl_array_object, Color.BufferObj), NO_EXTRA },
+ { GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT, NO_OFFSET, NO_EXTRA },
+
+ /* GL_OES_point_sprite */
+ { GL_POINT_SPRITE_NV,
+ CONTEXT_BOOL(Point.PointSprite),
+ extra_NV_point_sprite_ARB_point_sprite },
+
+ /* GL_ARB_fragment_shader */
+ { GL_MAX_FRAGMENT_UNIFORM_COMPONENTS_ARB,
+ CONTEXT_INT(Const.FragmentProgram.MaxUniformComponents),
+ extra_ARB_fragment_shader },
+
+ /* GL_ARB_vertex_shader */
+ { GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB,
+ CONTEXT_INT(Const.VertexProgram.MaxUniformComponents),
+ extra_ARB_vertex_shader },
+ { GL_MAX_VARYING_FLOATS_ARB, LOC_CUSTOM, TYPE_INT, 0,
+ extra_ARB_vertex_shader },
+
+ /* GL_EXT_texture_lod_bias */
+ { GL_MAX_TEXTURE_LOD_BIAS_EXT, CONTEXT_FLOAT(Const.MaxTextureLodBias),
+ extra_EXT_texture_lod_bias },
+
+ /* GL_EXT_texture_filter_anisotropic */
+ { GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT,
+ CONTEXT_FLOAT(Const.MaxTextureMaxAnisotropy),
+ extra_EXT_texture_filter_anisotropic },
+#endif /* FEATURE_GL || FEATURE_ES1 */
+
+#if FEATURE_ES1
+ { 0, 0, TYPE_API_MASK, API_OPENGLES_BIT },
+ /* XXX: OES_matrix_get */
+ { GL_MODELVIEW_MATRIX_FLOAT_AS_INT_BITS_OES },
+ { GL_PROJECTION_MATRIX_FLOAT_AS_INT_BITS_OES },
+ { GL_TEXTURE_MATRIX_FLOAT_AS_INT_BITS_OES },
+
+ /* OES_point_size_array */
+ { GL_POINT_SIZE_ARRAY_OES, ARRAY_FIELD(PointSize.Enabled, TYPE_BOOLEAN) },
+ { GL_POINT_SIZE_ARRAY_TYPE_OES, ARRAY_FIELD(PointSize.Type, TYPE_ENUM) },
+ { GL_POINT_SIZE_ARRAY_STRIDE_OES, ARRAY_FIELD(PointSize.Stride, TYPE_INT) },
+ { GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES, LOC_CUSTOM, TYPE_INT, 0 },
+#endif /* FEATURE_ES1 */
+
+#if FEATURE_GL || FEATURE_ES2
+ { 0, 0, TYPE_API_MASK, API_OPENGL_BIT | API_OPENGLES2_BIT, NO_EXTRA },
+ /* This entry isn't spec'ed for GLES 2, but is needed for Mesa's GLSL: */
+ { GL_MAX_LIGHTS, CONTEXT_INT(Const.MaxLights), NO_EXTRA },
+ { GL_MAX_TEXTURE_COORDS_ARB, /* == GL_MAX_TEXTURE_COORDS_NV */
+ CONTEXT_INT(Const.MaxTextureCoordUnits),
+ extra_ARB_fragment_program_NV_fragment_program },
+
+ /* GL_ARB_draw_buffers */
+ { GL_MAX_DRAW_BUFFERS_ARB, CONTEXT_INT(Const.MaxDrawBuffers), NO_EXTRA },
+
+ { GL_BLEND_COLOR_EXT, CONTEXT_FIELD(Color.BlendColor[0], TYPE_FLOATN_4), NO_EXTRA },
+ /* GL_ARB_fragment_program */
+ { GL_MAX_TEXTURE_IMAGE_UNITS_ARB, /* == GL_MAX_TEXTURE_IMAGE_UNITS_NV */
+ CONTEXT_INT(Const.MaxTextureImageUnits),
+ extra_ARB_fragment_program_NV_fragment_program },
+ { GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB,
+ CONTEXT_INT(Const.MaxVertexTextureImageUnits), extra_ARB_vertex_shader },
+ { GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS_ARB,
+ CONTEXT_INT(Const.MaxCombinedTextureImageUnits),
+ extra_ARB_vertex_shader },
+
+ /* GL_ARB_shader_objects
+ * Actually, this token isn't part of GL_ARB_shader_objects, but is
+ * close enough for now. */
+ { GL_CURRENT_PROGRAM, LOC_CUSTOM, TYPE_INT, 0, extra_ARB_shader_objects },
+
+ /* OpenGL 2.0 */
+ { GL_STENCIL_BACK_FUNC, CONTEXT_ENUM(Stencil.Function[1]), NO_EXTRA },
+ { GL_STENCIL_BACK_VALUE_MASK, CONTEXT_INT(Stencil.ValueMask[1]), NO_EXTRA },
+ { GL_STENCIL_BACK_WRITEMASK, CONTEXT_INT(Stencil.WriteMask[1]), NO_EXTRA },
+ { GL_STENCIL_BACK_REF, CONTEXT_INT(Stencil.Ref[1]), NO_EXTRA },
+ { GL_STENCIL_BACK_FAIL, CONTEXT_ENUM(Stencil.FailFunc[1]), NO_EXTRA },
+ { GL_STENCIL_BACK_PASS_DEPTH_FAIL, CONTEXT_ENUM(Stencil.ZFailFunc[1]), NO_EXTRA },
+ { GL_STENCIL_BACK_PASS_DEPTH_PASS, CONTEXT_ENUM(Stencil.ZPassFunc[1]), NO_EXTRA },
+
+ { GL_MAX_VERTEX_ATTRIBS_ARB,
+ CONTEXT_INT(Const.VertexProgram.MaxAttribs),
+ extra_ARB_vertex_program_version_es2 },
+
+ /* OES_texture_3D */
+ { GL_TEXTURE_BINDING_3D, LOC_CUSTOM, TYPE_INT, TEXTURE_3D_INDEX, NO_EXTRA },
+ { GL_MAX_3D_TEXTURE_SIZE, LOC_CUSTOM, TYPE_INT,
+ offsetof(struct gl_context, Const.Max3DTextureLevels), NO_EXTRA },
+
+ /* GL_ARB_fragment_program/OES_standard_derivatives */
+ { GL_FRAGMENT_SHADER_DERIVATIVE_HINT_ARB,
+ CONTEXT_ENUM(Hint.FragmentShaderDerivative), extra_ARB_fragment_shader },
+#endif /* FEATURE_GL || FEATURE_ES2 */
+
+#if FEATURE_ES2
+ /* Enums unique to OpenGL ES 2.0 */
+ { 0, 0, TYPE_API_MASK, API_OPENGLES2_BIT, NO_EXTRA },
+ { GL_MAX_FRAGMENT_UNIFORM_VECTORS, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA },
+ { GL_MAX_VARYING_VECTORS, CONTEXT_INT(Const.MaxVarying), NO_EXTRA },
+ { GL_MAX_VERTEX_UNIFORM_VECTORS, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA },
+ { GL_SHADER_COMPILER, CONST(1), NO_EXTRA },
+ /* OES_get_program_binary */
+ { GL_NUM_SHADER_BINARY_FORMATS, CONST(0), NO_EXTRA },
+ { GL_SHADER_BINARY_FORMATS, CONST(0), NO_EXTRA },
+#endif /* FEATURE_ES2 */
+
+#if FEATURE_GL
+ /* Remaining enums are only in OpenGL */
+ { 0, 0, TYPE_API_MASK, API_OPENGL_BIT, NO_EXTRA },
+ { GL_ACCUM_RED_BITS, BUFFER_INT(Visual.accumRedBits), NO_EXTRA },
+ { GL_ACCUM_GREEN_BITS, BUFFER_INT(Visual.accumGreenBits), NO_EXTRA },
+ { GL_ACCUM_BLUE_BITS, BUFFER_INT(Visual.accumBlueBits), NO_EXTRA },
+ { GL_ACCUM_ALPHA_BITS, BUFFER_INT(Visual.accumAlphaBits), NO_EXTRA },
+ { GL_ACCUM_CLEAR_VALUE, CONTEXT_FIELD(Accum.ClearColor[0], TYPE_FLOATN_4), NO_EXTRA },
+ { GL_ALPHA_BIAS, CONTEXT_FLOAT(Pixel.AlphaBias), NO_EXTRA },
+ { GL_ALPHA_SCALE, CONTEXT_FLOAT(Pixel.AlphaScale), NO_EXTRA },
+ { GL_ATTRIB_STACK_DEPTH, CONTEXT_INT(AttribStackDepth), NO_EXTRA },
+ { GL_AUTO_NORMAL, CONTEXT_BOOL(Eval.AutoNormal), NO_EXTRA },
+ { GL_AUX_BUFFERS, BUFFER_INT(Visual.numAuxBuffers), NO_EXTRA },
+ { GL_BLUE_BIAS, CONTEXT_FLOAT(Pixel.BlueBias), NO_EXTRA },
+ { GL_BLUE_SCALE, CONTEXT_FLOAT(Pixel.BlueScale), NO_EXTRA },
+ { GL_CLIENT_ATTRIB_STACK_DEPTH, CONTEXT_INT(ClientAttribStackDepth), NO_EXTRA },
+ { GL_COLOR_MATERIAL_FACE, CONTEXT_ENUM(Light.ColorMaterialFace), NO_EXTRA },
+ { GL_COLOR_MATERIAL_PARAMETER, CONTEXT_ENUM(Light.ColorMaterialMode), NO_EXTRA },
+ { GL_CURRENT_INDEX,
+ CONTEXT_FLOAT(Current.Attrib[VERT_ATTRIB_COLOR_INDEX][0]),
+ extra_flush_current },
+ { GL_CURRENT_RASTER_COLOR,
+ CONTEXT_FIELD(Current.RasterColor[0], TYPE_FLOATN_4), NO_EXTRA },
+ { GL_CURRENT_RASTER_DISTANCE, CONTEXT_FLOAT(Current.RasterDistance), NO_EXTRA },
+ { GL_CURRENT_RASTER_INDEX, CONST(1), NO_EXTRA },
+ { GL_CURRENT_RASTER_POSITION, CONTEXT_FLOAT4(Current.RasterPos[0]), NO_EXTRA },
+ { GL_CURRENT_RASTER_SECONDARY_COLOR,
+ CONTEXT_FIELD(Current.RasterSecondaryColor[0], TYPE_FLOATN_4), NO_EXTRA },
+ { GL_CURRENT_RASTER_TEXTURE_COORDS, LOC_CUSTOM, TYPE_FLOAT_4, 0,
+ extra_valid_texture_unit },
+ { GL_CURRENT_RASTER_POSITION_VALID, CONTEXT_BOOL(Current.RasterPosValid), NO_EXTRA },
+ { GL_DEPTH_BIAS, CONTEXT_FLOAT(Pixel.DepthBias), NO_EXTRA },
+ { GL_DEPTH_SCALE, CONTEXT_FLOAT(Pixel.DepthScale), NO_EXTRA },
+ { GL_DOUBLEBUFFER, BUFFER_INT(Visual.doubleBufferMode), NO_EXTRA },
+ { GL_DRAW_BUFFER, BUFFER_ENUM(ColorDrawBuffer[0]), NO_EXTRA },
+ { GL_EDGE_FLAG, LOC_CUSTOM, TYPE_BOOLEAN, 0, NO_EXTRA },
+ { GL_FEEDBACK_BUFFER_SIZE, CONTEXT_INT(Feedback.BufferSize), NO_EXTRA },
+ { GL_FEEDBACK_BUFFER_TYPE, CONTEXT_ENUM(Feedback.Type), NO_EXTRA },
+ { GL_FOG_INDEX, CONTEXT_FLOAT(Fog.Index), NO_EXTRA },
+ { GL_GREEN_BIAS, CONTEXT_FLOAT(Pixel.GreenBias), NO_EXTRA },
+ { GL_GREEN_SCALE, CONTEXT_FLOAT(Pixel.GreenScale), NO_EXTRA },
+ { GL_INDEX_BITS, BUFFER_INT(Visual.indexBits), extra_new_buffers },
+ { GL_INDEX_CLEAR_VALUE, CONTEXT_INT(Color.ClearIndex), NO_EXTRA },
+ { GL_INDEX_MODE, CONST(0) , NO_EXTRA},
+ { GL_INDEX_OFFSET, CONTEXT_INT(Pixel.IndexOffset), NO_EXTRA },
+ { GL_INDEX_SHIFT, CONTEXT_INT(Pixel.IndexShift), NO_EXTRA },
+ { GL_INDEX_WRITEMASK, CONTEXT_INT(Color.IndexMask), NO_EXTRA },
+ { GL_LIGHT_MODEL_COLOR_CONTROL, CONTEXT_ENUM(Light.Model.ColorControl), NO_EXTRA },
+ { GL_LIGHT_MODEL_LOCAL_VIEWER, CONTEXT_BOOL(Light.Model.LocalViewer), NO_EXTRA },
+ { GL_LINE_STIPPLE, CONTEXT_BOOL(Line.StippleFlag), NO_EXTRA },
+ { GL_LINE_STIPPLE_PATTERN, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA },
+ { GL_LINE_STIPPLE_REPEAT, CONTEXT_INT(Line.StippleFactor), NO_EXTRA },
+ { GL_LINE_WIDTH_GRANULARITY, CONTEXT_FLOAT(Const.LineWidthGranularity), NO_EXTRA },
+ { GL_LIST_BASE, CONTEXT_INT(List.ListBase), NO_EXTRA },
+ { GL_LIST_INDEX, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA },
+ { GL_LIST_MODE, LOC_CUSTOM, TYPE_ENUM, 0, NO_EXTRA },
+ { GL_INDEX_LOGIC_OP, CONTEXT_BOOL(Color.IndexLogicOpEnabled), NO_EXTRA },
+ { GL_MAP1_COLOR_4, CONTEXT_BOOL(Eval.Map1Color4), NO_EXTRA },
+ { GL_MAP1_GRID_DOMAIN, CONTEXT_FLOAT2(Eval.MapGrid1u1), NO_EXTRA },
+ { GL_MAP1_GRID_SEGMENTS, CONTEXT_INT(Eval.MapGrid1un), NO_EXTRA },
+ { GL_MAP1_INDEX, CONTEXT_BOOL(Eval.Map1Index), NO_EXTRA },
+ { GL_MAP1_NORMAL, CONTEXT_BOOL(Eval.Map1Normal), NO_EXTRA },
+ { GL_MAP1_TEXTURE_COORD_1, CONTEXT_BOOL(Eval.Map1TextureCoord1), NO_EXTRA },
+ { GL_MAP1_TEXTURE_COORD_2, CONTEXT_BOOL(Eval.Map1TextureCoord2), NO_EXTRA },
+ { GL_MAP1_TEXTURE_COORD_3, CONTEXT_BOOL(Eval.Map1TextureCoord3), NO_EXTRA },
+ { GL_MAP1_TEXTURE_COORD_4, CONTEXT_BOOL(Eval.Map1TextureCoord4), NO_EXTRA },
+ { GL_MAP1_VERTEX_3, CONTEXT_BOOL(Eval.Map1Vertex3), NO_EXTRA },
+ { GL_MAP1_VERTEX_4, CONTEXT_BOOL(Eval.Map1Vertex4), NO_EXTRA },
+ { GL_MAP2_COLOR_4, CONTEXT_BOOL(Eval.Map2Color4), NO_EXTRA },
+ { GL_MAP2_GRID_DOMAIN, LOC_CUSTOM, TYPE_FLOAT_4, 0, NO_EXTRA },
+ { GL_MAP2_GRID_SEGMENTS, CONTEXT_INT2(Eval.MapGrid2un), NO_EXTRA },
+ { GL_MAP2_INDEX, CONTEXT_BOOL(Eval.Map2Index), NO_EXTRA },
+ { GL_MAP2_NORMAL, CONTEXT_BOOL(Eval.Map2Normal), NO_EXTRA },
+ { GL_MAP2_TEXTURE_COORD_1, CONTEXT_BOOL(Eval.Map2TextureCoord1), NO_EXTRA },
+ { GL_MAP2_TEXTURE_COORD_2, CONTEXT_BOOL(Eval.Map2TextureCoord2), NO_EXTRA },
+ { GL_MAP2_TEXTURE_COORD_3, CONTEXT_BOOL(Eval.Map2TextureCoord3), NO_EXTRA },
+ { GL_MAP2_TEXTURE_COORD_4, CONTEXT_BOOL(Eval.Map2TextureCoord4), NO_EXTRA },
+ { GL_MAP2_VERTEX_3, CONTEXT_BOOL(Eval.Map2Vertex3), NO_EXTRA },
+ { GL_MAP2_VERTEX_4, CONTEXT_BOOL(Eval.Map2Vertex4), NO_EXTRA },
+ { GL_MAP_COLOR, CONTEXT_BOOL(Pixel.MapColorFlag), NO_EXTRA },
+ { GL_MAP_STENCIL, CONTEXT_BOOL(Pixel.MapStencilFlag), NO_EXTRA },
+ { GL_MAX_ATTRIB_STACK_DEPTH, CONST(MAX_ATTRIB_STACK_DEPTH), NO_EXTRA },
+ { GL_MAX_CLIENT_ATTRIB_STACK_DEPTH, CONST(MAX_CLIENT_ATTRIB_STACK_DEPTH), NO_EXTRA },
+
+ { GL_MAX_EVAL_ORDER, CONST(MAX_EVAL_ORDER), NO_EXTRA },
+ { GL_MAX_LIST_NESTING, CONST(MAX_LIST_NESTING), NO_EXTRA },
+ { GL_MAX_NAME_STACK_DEPTH, CONST(MAX_NAME_STACK_DEPTH), NO_EXTRA },
+ { GL_MAX_PIXEL_MAP_TABLE, CONST(MAX_PIXEL_MAP_TABLE), NO_EXTRA },
+ { GL_NAME_STACK_DEPTH, CONTEXT_INT(Select.NameStackDepth), NO_EXTRA },
+ { GL_PACK_LSB_FIRST, CONTEXT_BOOL(Pack.LsbFirst), NO_EXTRA },
+ { GL_PACK_ROW_LENGTH, CONTEXT_INT(Pack.RowLength), NO_EXTRA },
+ { GL_PACK_SKIP_PIXELS, CONTEXT_INT(Pack.SkipPixels), NO_EXTRA },
+ { GL_PACK_SKIP_ROWS, CONTEXT_INT(Pack.SkipRows), NO_EXTRA },
+ { GL_PACK_SWAP_BYTES, CONTEXT_BOOL(Pack.SwapBytes), NO_EXTRA },
+ { GL_PACK_IMAGE_HEIGHT_EXT, CONTEXT_INT(Pack.ImageHeight), NO_EXTRA },
+ { GL_PACK_INVERT_MESA, CONTEXT_BOOL(Pack.Invert), NO_EXTRA },
+ { GL_PIXEL_MAP_A_TO_A_SIZE, CONTEXT_INT(PixelMaps.AtoA.Size), NO_EXTRA },
+ { GL_PIXEL_MAP_B_TO_B_SIZE, CONTEXT_INT(PixelMaps.BtoB.Size), NO_EXTRA },
+ { GL_PIXEL_MAP_G_TO_G_SIZE, CONTEXT_INT(PixelMaps.GtoG.Size), NO_EXTRA },
+ { GL_PIXEL_MAP_I_TO_A_SIZE, CONTEXT_INT(PixelMaps.ItoA.Size), NO_EXTRA },
+ { GL_PIXEL_MAP_I_TO_B_SIZE, CONTEXT_INT(PixelMaps.ItoB.Size), NO_EXTRA },
+ { GL_PIXEL_MAP_I_TO_G_SIZE, CONTEXT_INT(PixelMaps.ItoG.Size), NO_EXTRA },
+ { GL_PIXEL_MAP_I_TO_I_SIZE, CONTEXT_INT(PixelMaps.ItoI.Size), NO_EXTRA },
+ { GL_PIXEL_MAP_I_TO_R_SIZE, CONTEXT_INT(PixelMaps.ItoR.Size), NO_EXTRA },
+ { GL_PIXEL_MAP_R_TO_R_SIZE, CONTEXT_INT(PixelMaps.RtoR.Size), NO_EXTRA },
+ { GL_PIXEL_MAP_S_TO_S_SIZE, CONTEXT_INT(PixelMaps.StoS.Size), NO_EXTRA },
+ { GL_POINT_SIZE_GRANULARITY, CONTEXT_FLOAT(Const.PointSizeGranularity), NO_EXTRA },
+ { GL_POLYGON_MODE, CONTEXT_ENUM2(Polygon.FrontMode), NO_EXTRA },
+ { GL_POLYGON_OFFSET_BIAS_EXT, CONTEXT_FLOAT(Polygon.OffsetUnits), NO_EXTRA },
+ { GL_POLYGON_OFFSET_POINT, CONTEXT_BOOL(Polygon.OffsetPoint), NO_EXTRA },
+ { GL_POLYGON_OFFSET_LINE, CONTEXT_BOOL(Polygon.OffsetLine), NO_EXTRA },
+ { GL_POLYGON_SMOOTH, CONTEXT_BOOL(Polygon.SmoothFlag), NO_EXTRA },
+ { GL_POLYGON_SMOOTH_HINT, CONTEXT_ENUM(Hint.PolygonSmooth), NO_EXTRA },
+ { GL_POLYGON_STIPPLE, CONTEXT_BOOL(Polygon.StippleFlag), NO_EXTRA },
+ { GL_READ_BUFFER, LOC_CUSTOM, TYPE_ENUM, NO_OFFSET, NO_EXTRA },
+ { GL_RED_BIAS, CONTEXT_FLOAT(Pixel.RedBias), NO_EXTRA },
+ { GL_RED_SCALE, CONTEXT_FLOAT(Pixel.RedScale), NO_EXTRA },
+ { GL_RENDER_MODE, CONTEXT_ENUM(RenderMode), NO_EXTRA },
+ { GL_RGBA_MODE, CONST(1), NO_EXTRA },
+ { GL_SELECTION_BUFFER_SIZE, CONTEXT_INT(Select.BufferSize), NO_EXTRA },
+ { GL_SHARED_TEXTURE_PALETTE_EXT, CONTEXT_BOOL(Texture.SharedPalette), NO_EXTRA },
+
+ { GL_STEREO, BUFFER_INT(Visual.stereoMode), NO_EXTRA },
+
+ { GL_TEXTURE_1D, LOC_CUSTOM, TYPE_BOOLEAN, NO_OFFSET, NO_EXTRA },
+ { GL_TEXTURE_3D, LOC_CUSTOM, TYPE_BOOLEAN, NO_OFFSET, NO_EXTRA },
+ { GL_TEXTURE_1D_ARRAY_EXT, LOC_CUSTOM, TYPE_BOOLEAN, NO_OFFSET, NO_EXTRA },
+ { GL_TEXTURE_2D_ARRAY_EXT, LOC_CUSTOM, TYPE_BOOLEAN, NO_OFFSET, NO_EXTRA },
+
+ { GL_TEXTURE_BINDING_1D, LOC_CUSTOM, TYPE_INT, TEXTURE_1D_INDEX, NO_EXTRA },
+ { GL_TEXTURE_BINDING_1D_ARRAY, LOC_CUSTOM, TYPE_INT,
+ TEXTURE_1D_ARRAY_INDEX, extra_MESA_texture_array },
+ { GL_TEXTURE_BINDING_2D_ARRAY, LOC_CUSTOM, TYPE_INT,
+ TEXTURE_1D_ARRAY_INDEX, extra_MESA_texture_array },
+ { GL_MAX_ARRAY_TEXTURE_LAYERS_EXT,
+ CONTEXT_INT(Const.MaxArrayTextureLayers), extra_MESA_texture_array },
+
+ { GL_TEXTURE_GEN_S, LOC_TEXUNIT, TYPE_BIT_0,
+ offsetof(struct gl_texture_unit, TexGenEnabled), NO_EXTRA },
+ { GL_TEXTURE_GEN_T, LOC_TEXUNIT, TYPE_BIT_1,
+ offsetof(struct gl_texture_unit, TexGenEnabled), NO_EXTRA },
+ { GL_TEXTURE_GEN_R, LOC_TEXUNIT, TYPE_BIT_2,
+ offsetof(struct gl_texture_unit, TexGenEnabled), NO_EXTRA },
+ { GL_TEXTURE_GEN_Q, LOC_TEXUNIT, TYPE_BIT_3,
+ offsetof(struct gl_texture_unit, TexGenEnabled), NO_EXTRA },
+ { GL_UNPACK_LSB_FIRST, CONTEXT_BOOL(Unpack.LsbFirst), NO_EXTRA },
+ { GL_UNPACK_ROW_LENGTH, CONTEXT_INT(Unpack.RowLength), NO_EXTRA },
+ { GL_UNPACK_SKIP_PIXELS, CONTEXT_INT(Unpack.SkipPixels), NO_EXTRA },
+ { GL_UNPACK_SKIP_ROWS, CONTEXT_INT(Unpack.SkipRows), NO_EXTRA },
+ { GL_UNPACK_SWAP_BYTES, CONTEXT_BOOL(Unpack.SwapBytes), NO_EXTRA },
+ { GL_UNPACK_SKIP_IMAGES_EXT, CONTEXT_INT(Unpack.SkipImages), NO_EXTRA },
+ { GL_UNPACK_IMAGE_HEIGHT_EXT, CONTEXT_INT(Unpack.ImageHeight), NO_EXTRA },
+ { GL_UNPACK_CLIENT_STORAGE_APPLE, CONTEXT_BOOL(Unpack.ClientStorage), NO_EXTRA },
+ { GL_ZOOM_X, CONTEXT_FLOAT(Pixel.ZoomX), NO_EXTRA },
+ { GL_ZOOM_Y, CONTEXT_FLOAT(Pixel.ZoomY), NO_EXTRA },
+
+ /* Vertex arrays */
+ { GL_VERTEX_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA },
+ { GL_NORMAL_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA },
+ { GL_COLOR_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA },
+ { GL_INDEX_ARRAY, ARRAY_BOOL(Index.Enabled), NO_EXTRA },
+ { GL_INDEX_ARRAY_TYPE, ARRAY_ENUM(Index.Type), NO_EXTRA },
+ { GL_INDEX_ARRAY_STRIDE, ARRAY_INT(Index.Stride), NO_EXTRA },
+ { GL_INDEX_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA },
+ { GL_TEXTURE_COORD_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA },
+ { GL_EDGE_FLAG_ARRAY, ARRAY_BOOL(EdgeFlag.Enabled), NO_EXTRA },
+ { GL_EDGE_FLAG_ARRAY_STRIDE, ARRAY_INT(EdgeFlag.Stride), NO_EXTRA },
+ { GL_EDGE_FLAG_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA },
+
+ /* GL_ARB_texture_compression */
+ { GL_TEXTURE_COMPRESSION_HINT_ARB, CONTEXT_INT(Hint.TextureCompression), NO_EXTRA },
+
+ /* GL_EXT_compiled_vertex_array */
+ { GL_ARRAY_ELEMENT_LOCK_FIRST_EXT, CONTEXT_INT(Array.LockFirst),
+ extra_EXT_compiled_vertex_array },
+ { GL_ARRAY_ELEMENT_LOCK_COUNT_EXT, CONTEXT_INT(Array.LockCount),
+ extra_EXT_compiled_vertex_array },
+
+ /* GL_ARB_transpose_matrix */
+ { GL_TRANSPOSE_MODELVIEW_MATRIX_ARB,
+ CONTEXT_MATRIX_T(ModelviewMatrixStack), NO_EXTRA },
+ { GL_TRANSPOSE_PROJECTION_MATRIX_ARB,
+ CONTEXT_MATRIX_T(ProjectionMatrixStack.Top), NO_EXTRA },
+ { GL_TRANSPOSE_TEXTURE_MATRIX_ARB, CONTEXT_MATRIX_T(TextureMatrixStack), NO_EXTRA },
+
+ /* GL_EXT_secondary_color */
+ { GL_COLOR_SUM_EXT, CONTEXT_BOOL(Fog.ColorSumEnabled),
+ extra_EXT_secondary_color_ARB_vertex_program },
+ { GL_CURRENT_SECONDARY_COLOR_EXT,
+ CONTEXT_FIELD(Current.Attrib[VERT_ATTRIB_COLOR1][0], TYPE_FLOATN_4),
+ extra_EXT_secondary_color_flush_current },
+ { GL_SECONDARY_COLOR_ARRAY_EXT, ARRAY_BOOL(SecondaryColor.Enabled),
+ extra_EXT_secondary_color },
+ { GL_SECONDARY_COLOR_ARRAY_TYPE_EXT, ARRAY_ENUM(SecondaryColor.Type),
+ extra_EXT_secondary_color },
+ { GL_SECONDARY_COLOR_ARRAY_STRIDE_EXT, ARRAY_INT(SecondaryColor.Stride),
+ extra_EXT_secondary_color },
+ { GL_SECONDARY_COLOR_ARRAY_SIZE_EXT, ARRAY_INT(SecondaryColor.Size),
+ extra_EXT_secondary_color },
+
+ /* GL_EXT_fog_coord */
+ { GL_CURRENT_FOG_COORDINATE_EXT,
+ CONTEXT_FLOAT(Current.Attrib[VERT_ATTRIB_FOG][0]),
+ extra_EXT_fog_coord_flush_current },
+ { GL_FOG_COORDINATE_ARRAY_EXT, ARRAY_BOOL(FogCoord.Enabled),
+ extra_EXT_fog_coord },
+ { GL_FOG_COORDINATE_ARRAY_TYPE_EXT, ARRAY_ENUM(FogCoord.Type),
+ extra_EXT_fog_coord },
+ { GL_FOG_COORDINATE_ARRAY_STRIDE_EXT, ARRAY_INT(FogCoord.Stride),
+ extra_EXT_fog_coord },
+ { GL_FOG_COORDINATE_SOURCE_EXT, CONTEXT_ENUM(Fog.FogCoordinateSource),
+ extra_EXT_fog_coord },
+
+ /* GL_IBM_rasterpos_clip */
+ { GL_RASTER_POSITION_UNCLIPPED_IBM,
+ CONTEXT_BOOL(Transform.RasterPositionUnclipped),
+ extra_IBM_rasterpos_clip },
+
+ /* GL_NV_point_sprite */
+ { GL_POINT_SPRITE_R_MODE_NV,
+ CONTEXT_ENUM(Point.SpriteRMode), extra_NV_point_sprite },
+ { GL_POINT_SPRITE_COORD_ORIGIN, CONTEXT_ENUM(Point.SpriteOrigin),
+ extra_NV_point_sprite_ARB_point_sprite },
+
+ /* GL_NV_vertex_program */
+ { GL_VERTEX_PROGRAM_BINDING_NV, LOC_CUSTOM, TYPE_INT, 0,
+ extra_NV_vertex_program },
+ { GL_VERTEX_ATTRIB_ARRAY0_NV, ARRAY_BOOL(VertexAttrib[0].Enabled),
+ extra_NV_vertex_program },
+ { GL_VERTEX_ATTRIB_ARRAY1_NV, ARRAY_BOOL(VertexAttrib[1].Enabled),
+ extra_NV_vertex_program },
+ { GL_VERTEX_ATTRIB_ARRAY2_NV, ARRAY_BOOL(VertexAttrib[2].Enabled),
+ extra_NV_vertex_program },
+ { GL_VERTEX_ATTRIB_ARRAY3_NV, ARRAY_BOOL(VertexAttrib[3].Enabled),
+ extra_NV_vertex_program },
+ { GL_VERTEX_ATTRIB_ARRAY4_NV, ARRAY_BOOL(VertexAttrib[4].Enabled),
+ extra_NV_vertex_program },
+ { GL_VERTEX_ATTRIB_ARRAY5_NV, ARRAY_BOOL(VertexAttrib[5].Enabled),
+ extra_NV_vertex_program },
+ { GL_VERTEX_ATTRIB_ARRAY6_NV, ARRAY_BOOL(VertexAttrib[6].Enabled),
+ extra_NV_vertex_program },
+ { GL_VERTEX_ATTRIB_ARRAY7_NV, ARRAY_BOOL(VertexAttrib[7].Enabled),
+ extra_NV_vertex_program },
+ { GL_VERTEX_ATTRIB_ARRAY8_NV, ARRAY_BOOL(VertexAttrib[8].Enabled),
+ extra_NV_vertex_program },
+ { GL_VERTEX_ATTRIB_ARRAY9_NV, ARRAY_BOOL(VertexAttrib[9].Enabled),
+ extra_NV_vertex_program },
+ { GL_VERTEX_ATTRIB_ARRAY10_NV, ARRAY_BOOL(VertexAttrib[10].Enabled),
+ extra_NV_vertex_program },
+ { GL_VERTEX_ATTRIB_ARRAY11_NV, ARRAY_BOOL(VertexAttrib[11].Enabled),
+ extra_NV_vertex_program },
+ { GL_VERTEX_ATTRIB_ARRAY12_NV, ARRAY_BOOL(VertexAttrib[12].Enabled),
+ extra_NV_vertex_program },
+ { GL_VERTEX_ATTRIB_ARRAY13_NV, ARRAY_BOOL(VertexAttrib[13].Enabled),
+ extra_NV_vertex_program },
+ { GL_VERTEX_ATTRIB_ARRAY14_NV, ARRAY_BOOL(VertexAttrib[14].Enabled),
+ extra_NV_vertex_program },
+ { GL_VERTEX_ATTRIB_ARRAY15_NV, ARRAY_BOOL(VertexAttrib[15].Enabled),
+ extra_NV_vertex_program },
+ { GL_MAP1_VERTEX_ATTRIB0_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[0]),
+ extra_NV_vertex_program },
+ { GL_MAP1_VERTEX_ATTRIB1_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[1]),
+ extra_NV_vertex_program },
+ { GL_MAP1_VERTEX_ATTRIB2_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[2]),
+ extra_NV_vertex_program },
+ { GL_MAP1_VERTEX_ATTRIB3_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[3]),
+ extra_NV_vertex_program },
+ { GL_MAP1_VERTEX_ATTRIB4_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[4]),
+ extra_NV_vertex_program },
+ { GL_MAP1_VERTEX_ATTRIB5_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[5]),
+ extra_NV_vertex_program },
+ { GL_MAP1_VERTEX_ATTRIB6_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[6]),
+ extra_NV_vertex_program },
+ { GL_MAP1_VERTEX_ATTRIB7_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[7]),
+ extra_NV_vertex_program },
+ { GL_MAP1_VERTEX_ATTRIB8_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[8]),
+ extra_NV_vertex_program },
+ { GL_MAP1_VERTEX_ATTRIB9_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[9]),
+ extra_NV_vertex_program },
+ { GL_MAP1_VERTEX_ATTRIB10_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[10]),
+ extra_NV_vertex_program },
+ { GL_MAP1_VERTEX_ATTRIB11_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[11]),
+ extra_NV_vertex_program },
+ { GL_MAP1_VERTEX_ATTRIB12_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[12]),
+ extra_NV_vertex_program },
+ { GL_MAP1_VERTEX_ATTRIB13_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[13]),
+ extra_NV_vertex_program },
+ { GL_MAP1_VERTEX_ATTRIB14_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[14]),
+ extra_NV_vertex_program },
+ { GL_MAP1_VERTEX_ATTRIB15_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[15]),
+ extra_NV_vertex_program },
+
+ /* GL_NV_fragment_program */
+ { GL_FRAGMENT_PROGRAM_NV, CONTEXT_BOOL(FragmentProgram.Enabled),
+ extra_NV_fragment_program },
+ { GL_FRAGMENT_PROGRAM_BINDING_NV, LOC_CUSTOM, TYPE_INT, 0,
+ extra_NV_fragment_program },
+ { GL_MAX_FRAGMENT_PROGRAM_LOCAL_PARAMETERS_NV,
+ CONST(MAX_NV_FRAGMENT_PROGRAM_PARAMS),
+ extra_NV_fragment_program },
+
+ /* GL_NV_texture_rectangle */
+ { GL_TEXTURE_RECTANGLE_NV,
+ LOC_CUSTOM, TYPE_BOOLEAN, 0, extra_NV_texture_rectangle },
+ { GL_TEXTURE_BINDING_RECTANGLE_NV,
+ LOC_CUSTOM, TYPE_INT, TEXTURE_RECT_INDEX, extra_NV_texture_rectangle },
+ { GL_MAX_RECTANGLE_TEXTURE_SIZE_NV,
+ CONTEXT_INT(Const.MaxTextureRectSize), extra_NV_texture_rectangle },
+
+ /* GL_EXT_stencil_two_side */
+ { GL_STENCIL_TEST_TWO_SIDE_EXT, CONTEXT_BOOL(Stencil.TestTwoSide),
+ extra_EXT_stencil_two_side },
+ { GL_ACTIVE_STENCIL_FACE_EXT, LOC_CUSTOM, TYPE_ENUM, NO_OFFSET, NO_EXTRA },
+
+ /* GL_NV_light_max_exponent */
+ { GL_MAX_SHININESS_NV, CONTEXT_FLOAT(Const.MaxShininess),
+ extra_NV_light_max_exponent },
+ { GL_MAX_SPOT_EXPONENT_NV, CONTEXT_FLOAT(Const.MaxSpotExponent),
+ extra_NV_light_max_exponent },
+
+ /* GL_NV_primitive_restart */
+ { GL_PRIMITIVE_RESTART_NV, CONTEXT_BOOL(Array.PrimitiveRestart),
+ extra_NV_primitive_restart },
+ { GL_PRIMITIVE_RESTART_INDEX_NV, CONTEXT_INT(Array.RestartIndex),
+ extra_NV_primitive_restart },
+
+ /* GL_ARB_vertex_buffer_object */
+ { GL_INDEX_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
+ offsetof(struct gl_array_object, Index.BufferObj), NO_EXTRA },
+ { GL_EDGE_FLAG_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
+ offsetof(struct gl_array_object, EdgeFlag.BufferObj), NO_EXTRA },
+ { GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
+ offsetof(struct gl_array_object, SecondaryColor.BufferObj), NO_EXTRA },
+ { GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
+ offsetof(struct gl_array_object, FogCoord.BufferObj), NO_EXTRA },
+
+ /* GL_EXT_pixel_buffer_object */
+ { GL_PIXEL_PACK_BUFFER_BINDING_EXT, LOC_CUSTOM, TYPE_INT, 0,
+ extra_EXT_pixel_buffer_object },
+ { GL_PIXEL_UNPACK_BUFFER_BINDING_EXT, LOC_CUSTOM, TYPE_INT, 0,
+ extra_EXT_pixel_buffer_object },
+
+ /* GL_ARB_vertex_program */
+ { GL_VERTEX_PROGRAM_ARB, /* == GL_VERTEX_PROGRAM_NV */
+ CONTEXT_BOOL(VertexProgram.Enabled),
+ extra_ARB_vertex_program_NV_vertex_program },
+ { GL_VERTEX_PROGRAM_POINT_SIZE_ARB, /* == GL_VERTEX_PROGRAM_POINT_SIZE_NV*/
+ CONTEXT_BOOL(VertexProgram.PointSizeEnabled),
+ extra_ARB_vertex_program_NV_vertex_program },
+ { GL_VERTEX_PROGRAM_TWO_SIDE_ARB, /* == GL_VERTEX_PROGRAM_TWO_SIDE_NV */
+ CONTEXT_BOOL(VertexProgram.TwoSideEnabled),
+ extra_ARB_vertex_program_NV_vertex_program },
+ { GL_MAX_PROGRAM_MATRIX_STACK_DEPTH_ARB, /* == GL_MAX_TRACK_MATRIX_STACK_DEPTH_NV */
+ CONTEXT_INT(Const.MaxProgramMatrixStackDepth),
+ extra_ARB_vertex_program_ARB_fragment_program_NV_vertex_program },
+ { GL_MAX_PROGRAM_MATRICES_ARB, /* == GL_MAX_TRACK_MATRICES_NV */
+ CONTEXT_INT(Const.MaxProgramMatrices),
+ extra_ARB_vertex_program_ARB_fragment_program_NV_vertex_program },
+ { GL_CURRENT_MATRIX_STACK_DEPTH_ARB, /* == GL_CURRENT_MATRIX_STACK_DEPTH_NV */
+ LOC_CUSTOM, TYPE_INT, 0,
+ extra_ARB_vertex_program_ARB_fragment_program_NV_vertex_program },
+
+ { GL_CURRENT_MATRIX_ARB, /* == GL_CURRENT_MATRIX_NV */
+ LOC_CUSTOM, TYPE_MATRIX, 0,
+ extra_ARB_vertex_program_ARB_fragment_program_NV_vertex_program },
+ { GL_TRANSPOSE_CURRENT_MATRIX_ARB, /* == GL_CURRENT_MATRIX_NV */
+ LOC_CUSTOM, TYPE_MATRIX, 0,
+ extra_ARB_vertex_program_ARB_fragment_program },
+
+ { GL_PROGRAM_ERROR_POSITION_ARB, /* == GL_PROGRAM_ERROR_POSITION_NV */
+ CONTEXT_INT(Program.ErrorPos),
+ extra_NV_vertex_program_ARB_vertex_program_ARB_fragment_program_NV_vertex_program },
+
+ /* GL_ARB_fragment_program */
+ { GL_FRAGMENT_PROGRAM_ARB, CONTEXT_BOOL(FragmentProgram.Enabled),
+ extra_ARB_fragment_program },
+
+ /* GL_EXT_depth_bounds_test */
+ { GL_DEPTH_BOUNDS_TEST_EXT, CONTEXT_BOOL(Depth.BoundsTest),
+ extra_EXT_depth_bounds_test },
+ { GL_DEPTH_BOUNDS_EXT, CONTEXT_FLOAT2(Depth.BoundsMin),
+ extra_EXT_depth_bounds_test },
+
+ /* GL_ARB_depth_clamp*/
+ { GL_DEPTH_CLAMP, CONTEXT_BOOL(Transform.DepthClamp),
+ extra_ARB_depth_clamp },
+
+ /* GL_ARB_draw_buffers */
+ { GL_DRAW_BUFFER0_ARB, BUFFER_ENUM(ColorDrawBuffer[0]), NO_EXTRA },
+ { GL_DRAW_BUFFER1_ARB, BUFFER_ENUM(ColorDrawBuffer[1]),
+ extra_valid_draw_buffer },
+ { GL_DRAW_BUFFER2_ARB, BUFFER_ENUM(ColorDrawBuffer[2]),
+ extra_valid_draw_buffer },
+ { GL_DRAW_BUFFER3_ARB, BUFFER_ENUM(ColorDrawBuffer[3]),
+ extra_valid_draw_buffer },
+ { GL_DRAW_BUFFER4_ARB, BUFFER_ENUM(ColorDrawBuffer[4]),
+ extra_valid_draw_buffer },
+ { GL_DRAW_BUFFER5_ARB, BUFFER_ENUM(ColorDrawBuffer[5]),
+ extra_valid_draw_buffer },
+ { GL_DRAW_BUFFER6_ARB, BUFFER_ENUM(ColorDrawBuffer[6]),
+ extra_valid_draw_buffer },
+ { GL_DRAW_BUFFER7_ARB, BUFFER_ENUM(ColorDrawBuffer[7]),
+ extra_valid_draw_buffer },
+
+ /* GL_ATI_fragment_shader */
+ { GL_NUM_FRAGMENT_REGISTERS_ATI, CONST(6), extra_ATI_fragment_shader },
+ { GL_NUM_FRAGMENT_CONSTANTS_ATI, CONST(8), extra_ATI_fragment_shader },
+ { GL_NUM_PASSES_ATI, CONST(2), extra_ATI_fragment_shader },
+ { GL_NUM_INSTRUCTIONS_PER_PASS_ATI, CONST(8), extra_ATI_fragment_shader },
+ { GL_NUM_INSTRUCTIONS_TOTAL_ATI, CONST(16), extra_ATI_fragment_shader },
+ { GL_COLOR_ALPHA_PAIRING_ATI, CONST(GL_TRUE), extra_ATI_fragment_shader },
+ { GL_NUM_LOOPBACK_COMPONENTS_ATI, CONST(3), extra_ATI_fragment_shader },
+ { GL_NUM_INPUT_INTERPOLATOR_COMPONENTS_ATI,
+ CONST(3), extra_ATI_fragment_shader },
+
+ /* GL_EXT_framebuffer_object */
+ { GL_MAX_COLOR_ATTACHMENTS_EXT, CONTEXT_INT(Const.MaxColorAttachments),
+ extra_EXT_framebuffer_object },
+
+ /* GL_EXT_framebuffer_blit
+ * NOTE: GL_DRAW_FRAMEBUFFER_BINDING_EXT == GL_FRAMEBUFFER_BINDING_EXT */
+ { GL_READ_FRAMEBUFFER_BINDING_EXT, LOC_CUSTOM, TYPE_INT, 0,
+ extra_EXT_framebuffer_blit },
+
+ /* GL_EXT_provoking_vertex */
+ { GL_PROVOKING_VERTEX_EXT,
+ CONTEXT_BOOL(Light.ProvokingVertex), extra_EXT_provoking_vertex },
+ { GL_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION_EXT,
+ CONTEXT_BOOL(Const.QuadsFollowProvokingVertexConvention),
+ extra_EXT_provoking_vertex },
+
+ /* GL_ARB_framebuffer_object */
+ { GL_MAX_SAMPLES, CONTEXT_INT(Const.MaxSamples),
+ extra_ARB_framebuffer_object_EXT_framebuffer_multisample },
+
+ /* GL_APPLE_vertex_array_object */
+ { GL_VERTEX_ARRAY_BINDING_APPLE, ARRAY_INT(Name),
+ extra_APPLE_vertex_array_object },
+
+ /* GL_ARB_seamless_cube_map */
+ { GL_TEXTURE_CUBE_MAP_SEAMLESS,
+ CONTEXT_BOOL(Texture.CubeMapSeamless), extra_ARB_seamless_cube_map },
+
+ /* GL_ARB_sync */
+ { GL_MAX_SERVER_WAIT_TIMEOUT,
+ CONTEXT_INT64(Const.MaxServerWaitTimeout), extra_ARB_sync },
+
+ /* GL_EXT_texture_integer */
+ { GL_RGBA_INTEGER_MODE_EXT, BUFFER_BOOL(_IntegerColor),
+ extra_EXT_texture_integer },
+
+ /* GL_EXT_transform_feedback */
+ { GL_TRANSFORM_FEEDBACK_BUFFER_BINDING, LOC_CUSTOM, TYPE_INT, 0,
+ extra_EXT_transform_feedback },
+ { GL_RASTERIZER_DISCARD, CONTEXT_BOOL(TransformFeedback.RasterDiscard),
+ extra_EXT_transform_feedback },
+ { GL_MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS,
+ CONTEXT_INT(Const.MaxTransformFeedbackInterleavedComponents),
+ extra_EXT_transform_feedback },
+ { GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS,
+ CONTEXT_INT(Const.MaxTransformFeedbackSeparateAttribs),
+ extra_EXT_transform_feedback },
+ { GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS,
+ CONTEXT_INT(Const.MaxTransformFeedbackSeparateComponents),
+ extra_EXT_transform_feedback },
+
+ /* GL_ARB_transform_feedback2 */
+ { GL_TRANSFORM_FEEDBACK_BUFFER_PAUSED, LOC_CUSTOM, TYPE_BOOLEAN, 0,
+ extra_ARB_transform_feedback2 },
+ { GL_TRANSFORM_FEEDBACK_BUFFER_ACTIVE, LOC_CUSTOM, TYPE_BOOLEAN, 0,
+ extra_ARB_transform_feedback2 },
+ { GL_TRANSFORM_FEEDBACK_BINDING, LOC_CUSTOM, TYPE_INT, 0,
+ extra_ARB_transform_feedback2 },
+
+ /* GL_ARB_geometry_shader4 */
+ { GL_MAX_GEOMETRY_TEXTURE_IMAGE_UNITS_ARB,
+ CONTEXT_INT(Const.MaxGeometryTextureImageUnits),
+ extra_ARB_geometry_shader4 },
+ { GL_MAX_GEOMETRY_OUTPUT_VERTICES_ARB,
+ CONTEXT_INT(Const.MaxGeometryOutputVertices),
+ extra_ARB_geometry_shader4 },
+ { GL_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS_ARB,
+ CONTEXT_INT(Const.MaxGeometryTotalOutputComponents),
+ extra_ARB_geometry_shader4 },
+ { GL_MAX_GEOMETRY_UNIFORM_COMPONENTS_ARB,
+ CONTEXT_INT(Const.GeometryProgram.MaxUniformComponents),
+ extra_ARB_geometry_shader4 },
+ { GL_MAX_GEOMETRY_VARYING_COMPONENTS_ARB,
+ CONTEXT_INT(Const.MaxGeometryVaryingComponents),
+ extra_ARB_geometry_shader4 },
+ { GL_MAX_VERTEX_VARYING_COMPONENTS_ARB,
+ CONTEXT_INT(Const.MaxVertexVaryingComponents),
+ extra_ARB_geometry_shader4 },
+
+ /* GL_EXT_gpu_shader4 / GL 3.0 */
+ { GL_MIN_PROGRAM_TEXEL_OFFSET,
+ CONTEXT_INT(Const.MinProgramTexelOffset),
+ extra_EXT_gpu_shader4 },
+ { GL_MAX_PROGRAM_TEXEL_OFFSET,
+ CONTEXT_INT(Const.MaxProgramTexelOffset),
+ extra_EXT_gpu_shader4 },
+
+ /* GL 3.0 */
+ { GL_NUM_EXTENSIONS, LOC_CUSTOM, TYPE_INT, 0, extra_version_30 },
+ { GL_MAJOR_VERSION, CONTEXT_INT(VersionMajor), extra_version_30 },
+ { GL_MINOR_VERSION, CONTEXT_INT(VersionMinor), extra_version_30 },
+ { GL_CONTEXT_FLAGS, CONTEXT_INT(Const.ContextFlags), extra_version_30 },
+
+ /* GL3.0 / GL_EXT_framebuffer_sRGB */
+ { GL_FRAMEBUFFER_SRGB_EXT, CONTEXT_BOOL(Color.sRGBEnabled), extra_EXT_framebuffer_sRGB },
+ { GL_FRAMEBUFFER_SRGB_CAPABLE_EXT, BUFFER_INT(Visual.sRGBCapable), extra_EXT_framebuffer_sRGB },
+
+ /* GL 3.1 */
+ /* NOTE: different enum values for GL_PRIMITIVE_RESTART_NV
+ * vs. GL_PRIMITIVE_RESTART!
+ */
+ { GL_PRIMITIVE_RESTART, CONTEXT_BOOL(Array.PrimitiveRestart),
+ extra_version_31 },
+ { GL_PRIMITIVE_RESTART_INDEX, CONTEXT_INT(Array.RestartIndex),
+ extra_version_31 },
+
+
+ /* GL 3.2 */
+ { GL_CONTEXT_PROFILE_MASK, CONTEXT_INT(Const.ProfileMask),
+ extra_version_32 },
+#endif /* FEATURE_GL */
+};
+
+/* All we need now is a way to look up the value struct from the enum.
+ * The code generated by gcc for the old generated big switch
+ * statement is a big, balanced, open coded if/else tree, essentially
+ * an unrolled binary search. It would be natural to sort the new
+ * enum table and use bsearch(), but we will use a read-only hash
+ * table instead. bsearch() has a nice guaranteed worst case
+ * performance, but we're also guaranteed to hit that worst case
+ * (log2(n) iterations) for about half the enums. Instead, using an
+ * open addressing hash table, we can find the enum on the first try
+ * for 80% of the enums, 1 collision for 10% and never more than 5
+ * collisions for any enum (typical numbers). And the code is very
+ * simple, even though it feels a little magic. */
+
+static unsigned short table[1024];
+static const int prime_factor = 89, prime_step = 281;
+
+#ifdef GET_DEBUG
+static void
+print_table_stats(void)
+{
+ int i, j, collisions[11], count, hash, mask;
+ const struct value_desc *d;
+
+ count = 0;
+ mask = Elements(table) - 1;
+ memset(collisions, 0, sizeof collisions);
+
+ for (i = 0; i < Elements(table); i++) {
+ if (!table[i])
+ continue;
+ count++;
+ d = &values[table[i]];
+ hash = (d->pname * prime_factor);
+ j = 0;
+ while (1) {
+ if (values[table[hash & mask]].pname == d->pname)
+ break;
+ hash += prime_step;
+ j++;
+ }
+
+ if (j < 10)
+ collisions[j]++;
+ else
+ collisions[10]++;
+ }
+
+ printf("number of enums: %d (total %d)\n", count, Elements(values));
+ for (i = 0; i < Elements(collisions) - 1; i++)
+ if (collisions[i] > 0)
+ printf(" %d enums with %d %scollisions\n",
+ collisions[i], i, i == 10 ? "or more " : "");
+}
+#endif
+
+/**
+ * Initialize the enum hash for a given API
+ *
+ * This is called from one_time_init() to insert the enum values that
+ * are valid for the API in question into the enum hash table.
+ *
+ * \param the current context, for determining the API in question
+ */
+void _mesa_init_get_hash(struct gl_context *ctx)
+{
+ int i, hash, index, mask;
+ int api_mask = 0, api_bit;
+
+ mask = Elements(table) - 1;
+ api_bit = 1 << ctx->API;
+
+ for (i = 0; i < Elements(values); i++) {
+ if (values[i].type == TYPE_API_MASK) {
+ api_mask = values[i].offset;
+ continue;
+ }
+ if (!(api_mask & api_bit))
+ continue;
+
+ hash = (values[i].pname * prime_factor) & mask;
+ while (1) {
+ index = hash & mask;
+ if (!table[index]) {
+ table[index] = i;
+ break;
+ }
+ hash += prime_step;
+ }
+ }
+
+#ifdef GET_DEBUG
+ print_table_stats();
+#endif
+}
+
+/**
+ * Handle irregular enums
+ *
+ * Some values don't conform to the "well-known type at context
+ * pointer + offset" pattern, so we have this function to catch all
+ * the corner cases. Typically, it's a computed value or a one-off
+ * pointer to a custom struct or something.
+ *
+ * In this case we can't return a pointer to the value, so we'll have
+ * to use the temporary variable 'v' declared back in the calling
+ * glGet*v() function to store the result.
+ *
+ * \param ctx the current context
+ * \param d the struct value_desc that describes the enum
+ * \param v pointer to the tmp declared in the calling glGet*v() function
+ */
+static void
+find_custom_value(struct gl_context *ctx, const struct value_desc *d, union value *v)
+{
+ struct gl_buffer_object **buffer_obj;
+ struct gl_client_array *array;
+ GLuint unit, *p;
+
+ switch (d->pname) {
+ case GL_TEXTURE_1D:
+ case GL_TEXTURE_2D:
+ case GL_TEXTURE_3D:
+ case GL_TEXTURE_1D_ARRAY_EXT:
+ case GL_TEXTURE_2D_ARRAY_EXT:
+ case GL_TEXTURE_CUBE_MAP_ARB:
+ case GL_TEXTURE_RECTANGLE_NV:
+ v->value_bool = _mesa_IsEnabled(d->pname);
+ break;
+
+ case GL_LINE_STIPPLE_PATTERN:
+ /* This is the only GLushort, special case it here by promoting
+ * to an int rather than introducing a new type. */
+ v->value_int = ctx->Line.StipplePattern;
+ break;
+
+ case GL_CURRENT_RASTER_TEXTURE_COORDS:
+ unit = ctx->Texture.CurrentUnit;
+ v->value_float_4[0] = ctx->Current.RasterTexCoords[unit][0];
+ v->value_float_4[1] = ctx->Current.RasterTexCoords[unit][1];
+ v->value_float_4[2] = ctx->Current.RasterTexCoords[unit][2];
+ v->value_float_4[3] = ctx->Current.RasterTexCoords[unit][3];
+ break;
+
+ case GL_CURRENT_TEXTURE_COORDS:
+ unit = ctx->Texture.CurrentUnit;
+ v->value_float_4[0] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][0];
+ v->value_float_4[1] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][1];
+ v->value_float_4[2] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][2];
+ v->value_float_4[3] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][3];
+ break;
+
+ case GL_COLOR_WRITEMASK:
+ v->value_int_4[0] = ctx->Color.ColorMask[0][RCOMP] ? 1 : 0;
+ v->value_int_4[1] = ctx->Color.ColorMask[0][GCOMP] ? 1 : 0;
+ v->value_int_4[2] = ctx->Color.ColorMask[0][BCOMP] ? 1 : 0;
+ v->value_int_4[3] = ctx->Color.ColorMask[0][ACOMP] ? 1 : 0;
+ break;
+
+ case GL_EDGE_FLAG:
+ v->value_bool = ctx->Current.Attrib[VERT_ATTRIB_EDGEFLAG][0] == 1.0;
+ break;
+
+ case GL_READ_BUFFER:
+ v->value_enum = ctx->ReadBuffer->ColorReadBuffer;
+ break;
+
+ case GL_MAP2_GRID_DOMAIN:
+ v->value_float_4[0] = ctx->Eval.MapGrid2u1;
+ v->value_float_4[1] = ctx->Eval.MapGrid2u2;
+ v->value_float_4[2] = ctx->Eval.MapGrid2v1;
+ v->value_float_4[3] = ctx->Eval.MapGrid2v2;
+ break;
+
+ case GL_TEXTURE_STACK_DEPTH:
+ unit = ctx->Texture.CurrentUnit;
+ v->value_int = ctx->TextureMatrixStack[unit].Depth + 1;
+ break;
+ case GL_TEXTURE_MATRIX:
+ unit = ctx->Texture.CurrentUnit;
+ v->value_matrix = ctx->TextureMatrixStack[unit].Top;
+ break;
+
+ case GL_TEXTURE_COORD_ARRAY:
+ case GL_TEXTURE_COORD_ARRAY_SIZE:
+ case GL_TEXTURE_COORD_ARRAY_TYPE:
+ case GL_TEXTURE_COORD_ARRAY_STRIDE:
+ array = &ctx->Array.ArrayObj->TexCoord[ctx->Array.ActiveTexture];
+ v->value_int = *(GLuint *) ((char *) array + d->offset);
+ break;
+
+ case GL_ACTIVE_TEXTURE_ARB:
+ v->value_int = GL_TEXTURE0_ARB + ctx->Texture.CurrentUnit;
+ break;
+ case GL_CLIENT_ACTIVE_TEXTURE_ARB:
+ v->value_int = GL_TEXTURE0_ARB + ctx->Array.ActiveTexture;
+ break;
+
+ case GL_MODELVIEW_STACK_DEPTH:
+ case GL_PROJECTION_STACK_DEPTH:
+ v->value_int = *(GLint *) ((char *) ctx + d->offset) + 1;
+ break;
+
+ case GL_MAX_TEXTURE_SIZE:
+ case GL_MAX_3D_TEXTURE_SIZE:
+ case GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB:
+ p = (GLuint *) ((char *) ctx + d->offset);
+ v->value_int = 1 << (*p - 1);
+ break;
+
+ case GL_SCISSOR_BOX:
+ v->value_int_4[0] = ctx->Scissor.X;
+ v->value_int_4[1] = ctx->Scissor.Y;
+ v->value_int_4[2] = ctx->Scissor.Width;
+ v->value_int_4[3] = ctx->Scissor.Height;
+ break;
+
+ case GL_LIST_INDEX:
+ v->value_int =
+ ctx->ListState.CurrentList ? ctx->ListState.CurrentList->Name : 0;
+ break;
+ case GL_LIST_MODE:
+ if (!ctx->CompileFlag)
+ v->value_enum = 0;
+ else if (ctx->ExecuteFlag)
+ v->value_enum = GL_COMPILE_AND_EXECUTE;
+ else
+ v->value_enum = GL_COMPILE;
+ break;
+
+ case GL_VIEWPORT:
+ v->value_int_4[0] = ctx->Viewport.X;
+ v->value_int_4[1] = ctx->Viewport.Y;
+ v->value_int_4[2] = ctx->Viewport.Width;
+ v->value_int_4[3] = ctx->Viewport.Height;
+ break;
+
+ case GL_ACTIVE_STENCIL_FACE_EXT:
+ v->value_enum = ctx->Stencil.ActiveFace ? GL_BACK : GL_FRONT;
+ break;
+
+ case GL_STENCIL_FAIL:
+ v->value_enum = ctx->Stencil.FailFunc[ctx->Stencil.ActiveFace];
+ break;
+ case GL_STENCIL_FUNC:
+ v->value_enum = ctx->Stencil.Function[ctx->Stencil.ActiveFace];
+ break;
+ case GL_STENCIL_PASS_DEPTH_FAIL:
+ v->value_enum = ctx->Stencil.ZFailFunc[ctx->Stencil.ActiveFace];
+ break;
+ case GL_STENCIL_PASS_DEPTH_PASS:
+ v->value_enum = ctx->Stencil.ZPassFunc[ctx->Stencil.ActiveFace];
+ break;
+ case GL_STENCIL_REF:
+ v->value_int = ctx->Stencil.Ref[ctx->Stencil.ActiveFace];
+ break;
+ case GL_STENCIL_VALUE_MASK:
+ v->value_int = ctx->Stencil.ValueMask[ctx->Stencil.ActiveFace];
+ break;
+ case GL_STENCIL_WRITEMASK:
+ v->value_int = ctx->Stencil.WriteMask[ctx->Stencil.ActiveFace];
+ break;
+
+ case GL_NUM_EXTENSIONS:
+ v->value_int = _mesa_get_extension_count(ctx);
+ break;
+
+ case GL_IMPLEMENTATION_COLOR_READ_TYPE_OES:
+ v->value_int = _mesa_get_color_read_type(ctx);
+ break;
+ case GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES:
+ v->value_int = _mesa_get_color_read_format(ctx);
+ break;
+
+ case GL_CURRENT_MATRIX_STACK_DEPTH_ARB:
+ v->value_int = ctx->CurrentStack->Depth + 1;
+ break;
+ case GL_CURRENT_MATRIX_ARB:
+ case GL_TRANSPOSE_CURRENT_MATRIX_ARB:
+ v->value_matrix = ctx->CurrentStack->Top;
+ break;
+
+ case GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB:
+ v->value_int = _mesa_get_compressed_formats(ctx, NULL, GL_FALSE);
+ break;
+ case GL_COMPRESSED_TEXTURE_FORMATS_ARB:
+ v->value_int_n.n =
+ _mesa_get_compressed_formats(ctx, v->value_int_n.ints, GL_FALSE);
+ ASSERT(v->value_int_n.n <= 100);
+ break;
+
+ case GL_MAX_VARYING_FLOATS_ARB:
+ v->value_int = ctx->Const.MaxVarying * 4;
+ break;
+
+ /* Various object names */
+
+ case GL_TEXTURE_BINDING_1D:
+ case GL_TEXTURE_BINDING_2D:
+ case GL_TEXTURE_BINDING_3D:
+ case GL_TEXTURE_BINDING_1D_ARRAY_EXT:
+ case GL_TEXTURE_BINDING_2D_ARRAY_EXT:
+ case GL_TEXTURE_BINDING_CUBE_MAP_ARB:
+ case GL_TEXTURE_BINDING_RECTANGLE_NV:
+ unit = ctx->Texture.CurrentUnit;
+ v->value_int =
+ ctx->Texture.Unit[unit].CurrentTex[d->offset]->Name;
+ break;
+
+ /* GL_ARB_vertex_buffer_object */
+ case GL_VERTEX_ARRAY_BUFFER_BINDING_ARB:
+ case GL_NORMAL_ARRAY_BUFFER_BINDING_ARB:
+ case GL_COLOR_ARRAY_BUFFER_BINDING_ARB:
+ case GL_INDEX_ARRAY_BUFFER_BINDING_ARB:
+ case GL_EDGE_FLAG_ARRAY_BUFFER_BINDING_ARB:
+ case GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING_ARB:
+ case GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING_ARB:
+ buffer_obj = (struct gl_buffer_object **)
+ ((char *) ctx->Array.ArrayObj + d->offset);
+ v->value_int = (*buffer_obj)->Name;
+ break;
+ case GL_ARRAY_BUFFER_BINDING_ARB:
+ v->value_int = ctx->Array.ArrayBufferObj->Name;
+ break;
+ case GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING_ARB:
+ v->value_int =
+ ctx->Array.ArrayObj->TexCoord[ctx->Array.ActiveTexture].BufferObj->Name;
+ break;
+ case GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB:
+ v->value_int = ctx->Array.ElementArrayBufferObj->Name;
+ break;
+
+ /* ARB_copy_buffer */
+ case GL_COPY_READ_BUFFER:
+ v->value_int = ctx->CopyReadBuffer->Name;
+ break;
+ case GL_COPY_WRITE_BUFFER:
+ v->value_int = ctx->CopyWriteBuffer->Name;
+ break;
+
+ case GL_FRAGMENT_PROGRAM_BINDING_NV:
+ v->value_int =
+ ctx->FragmentProgram.Current ? ctx->FragmentProgram.Current->Base.Id : 0;
+ break;
+ case GL_VERTEX_PROGRAM_BINDING_NV:
+ v->value_int =
+ ctx->VertexProgram.Current ? ctx->VertexProgram.Current->Base.Id : 0;
+ break;
+ case GL_PIXEL_PACK_BUFFER_BINDING_EXT:
+ v->value_int = ctx->Pack.BufferObj->Name;
+ break;
+ case GL_PIXEL_UNPACK_BUFFER_BINDING_EXT:
+ v->value_int = ctx->Unpack.BufferObj->Name;
+ break;
+ case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING:
+ v->value_int = ctx->TransformFeedback.CurrentBuffer->Name;
+ break;
+ case GL_TRANSFORM_FEEDBACK_BUFFER_PAUSED:
+ v->value_int = ctx->TransformFeedback.CurrentObject->Paused;
+ break;
+ case GL_TRANSFORM_FEEDBACK_BUFFER_ACTIVE:
+ v->value_int = ctx->TransformFeedback.CurrentObject->Active;
+ break;
+ case GL_TRANSFORM_FEEDBACK_BINDING:
+ v->value_int = ctx->TransformFeedback.CurrentObject->Name;
+ break;
+ case GL_CURRENT_PROGRAM:
+ v->value_int =
+ ctx->Shader.ActiveProgram ? ctx->Shader.ActiveProgram->Name : 0;
+ break;
+ case GL_READ_FRAMEBUFFER_BINDING_EXT:
+ v->value_int = ctx->ReadBuffer->Name;
+ break;
+ case GL_RENDERBUFFER_BINDING_EXT:
+ v->value_int =
+ ctx->CurrentRenderbuffer ? ctx->CurrentRenderbuffer->Name : 0;
+ break;
+ case GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES:
+ v->value_int = ctx->Array.ArrayObj->PointSize.BufferObj->Name;
+ break;
+
+ case GL_MAX_VERTEX_UNIFORM_VECTORS:
+ v->value_int = ctx->Const.VertexProgram.MaxUniformComponents / 4;
+ break;
+
+ case GL_MAX_FRAGMENT_UNIFORM_VECTORS:
+ v->value_int = ctx->Const.FragmentProgram.MaxUniformComponents / 4;
+ break;
+ }
+}
+
+/**
+ * Check extra constraints on a struct value_desc descriptor
+ *
+ * If a struct value_desc has a non-NULL extra pointer, it means that
+ * there are a number of extra constraints to check or actions to
+ * perform. The extras is just an integer array where each integer
+ * encode different constraints or actions.
+ *
+ * \param ctx current context
+ * \param func name of calling glGet*v() function for error reporting
+ * \param d the struct value_desc that has the extra constraints
+ *
+ * \return GL_FALSE if one of the constraints was not satisfied,
+ * otherwise GL_TRUE.
+ */
+static GLboolean
+check_extra(struct gl_context *ctx, const char *func, const struct value_desc *d)
+{
+ const GLuint version = ctx->VersionMajor * 10 + ctx->VersionMinor;
+ int total, enabled;
+ const int *e;
+
+ total = 0;
+ enabled = 0;
+ for (e = d->extra; *e != EXTRA_END; e++)
+ switch (*e) {
+ case EXTRA_VERSION_30:
+ if (version >= 30) {
+ total++;
+ enabled++;
+ }
+ break;
+ case EXTRA_VERSION_31:
+ if (version >= 31) {
+ total++;
+ enabled++;
+ }
+ break;
+ case EXTRA_VERSION_32:
+ if (version >= 32) {
+ total++;
+ enabled++;
+ }
+ break;
+ case EXTRA_VERSION_ES2:
+ if (ctx->API == API_OPENGLES2) {
+ total++;
+ enabled++;
+ }
+ break;
+ case EXTRA_NEW_BUFFERS:
+ if (ctx->NewState & _NEW_BUFFERS)
+ _mesa_update_state(ctx);
+ break;
+ case EXTRA_FLUSH_CURRENT:
+ FLUSH_CURRENT(ctx, 0);
+ break;
+ case EXTRA_VALID_DRAW_BUFFER:
+ if (d->pname - GL_DRAW_BUFFER0_ARB >= ctx->Const.MaxDrawBuffers) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s(draw buffer %u)",
+ func, d->pname - GL_DRAW_BUFFER0_ARB);
+ return GL_FALSE;
+ }
+ break;
+ case EXTRA_VALID_TEXTURE_UNIT:
+ if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s(texture %u)",
+ func, ctx->Texture.CurrentUnit);
+ return GL_FALSE;
+ }
+ break;
+ case EXTRA_END:
+ break;
+ default: /* *e is a offset into the extension struct */
+ total++;
+ if (*(GLboolean *) ((char *) &ctx->Extensions + *e))
+ enabled++;
+ break;
+ }
+
+ if (total > 0 && enabled == 0) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=%s)", func,
+ _mesa_lookup_enum_by_nr(d->pname));
+ return GL_FALSE;
+ }
+
+ return GL_TRUE;
+}
+
+static const struct value_desc error_value =
+ { 0, 0, TYPE_INVALID, NO_OFFSET, NO_EXTRA };
+
+/**
+ * Find the struct value_desc corresponding to the enum 'pname'.
+ *
+ * We hash the enum value to get an index into the 'table' array,
+ * which holds the index in the 'values' array of struct value_desc.
+ * Once we've found the entry, we do the extra checks, if any, then
+ * look up the value and return a pointer to it.
+ *
+ * If the value has to be computed (for example, it's the result of a
+ * function call or we need to add 1 to it), we use the tmp 'v' to
+ * store the result.
+ *
+ * \param func name of glGet*v() func for error reporting
+ * \param pname the enum value we're looking up
+ * \param p is were we return the pointer to the value
+ * \param v a tmp union value variable in the calling glGet*v() function
+ *
+ * \return the struct value_desc corresponding to the enum or a struct
+ * value_desc of TYPE_INVALID if not found. This lets the calling
+ * glGet*v() function jump right into a switch statement and
+ * handle errors there instead of having to check for NULL.
+ */
+static const struct value_desc *
+find_value(const char *func, GLenum pname, void **p, union value *v)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_texture_unit *unit;
+ int mask, hash;
+ const struct value_desc *d;
+
+ mask = Elements(table) - 1;
+ hash = (pname * prime_factor);
+ while (1) {
+ d = &values[table[hash & mask]];
+
+ /* If the enum isn't valid, the hash walk ends with index 0,
+ * which is the API mask entry at the beginning of values[]. */
+ if (unlikely(d->type == TYPE_API_MASK)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=%s)", func,
+ _mesa_lookup_enum_by_nr(pname));
+ return &error_value;
+ }
+
+ if (likely(d->pname == pname))
+ break;
+
+ hash += prime_step;
+ }
+
+ if (unlikely(d->extra && !check_extra(ctx, func, d)))
+ return &error_value;
+
+ switch (d->location) {
+ case LOC_BUFFER:
+ *p = ((char *) ctx->DrawBuffer + d->offset);
+ return d;
+ case LOC_CONTEXT:
+ *p = ((char *) ctx + d->offset);
+ return d;
+ case LOC_ARRAY:
+ *p = ((char *) ctx->Array.ArrayObj + d->offset);
+ return d;
+ case LOC_TEXUNIT:
+ unit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ *p = ((char *) unit + d->offset);
+ return d;
+ case LOC_CUSTOM:
+ find_custom_value(ctx, d, v);
+ *p = v;
+ return d;
+ default:
+ assert(0);
+ break;
+ }
+
+ /* silence warning */
+ return &error_value;
+}
+
+static const int transpose[] = {
+ 0, 4, 8, 12,
+ 1, 5, 9, 13,
+ 2, 6, 10, 14,
+ 3, 7, 11, 15
+};
+
+void GLAPIENTRY
+_mesa_GetBooleanv(GLenum pname, GLboolean *params)
+{
+ const struct value_desc *d;
+ union value v;
+ GLmatrix *m;
+ int shift, i;
+ void *p;
+
+ d = find_value("glGetBooleanv", pname, &p, &v);
+ switch (d->type) {
+ case TYPE_INVALID:
+ break;
+ case TYPE_CONST:
+ params[0] = INT_TO_BOOLEAN(d->offset);
+ break;
+
+ case TYPE_FLOAT_4:
+ case TYPE_FLOATN_4:
+ params[3] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[3]);
+ case TYPE_FLOAT_3:
+ case TYPE_FLOATN_3:
+ params[2] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[2]);
+ case TYPE_FLOAT_2:
+ case TYPE_FLOATN_2:
+ params[1] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[1]);
+ case TYPE_FLOAT:
+ case TYPE_FLOATN:
+ params[0] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[0]);
+ break;
+
+ case TYPE_DOUBLEN:
+ params[0] = FLOAT_TO_BOOLEAN(((GLdouble *) p)[0]);
+ break;
+
+ case TYPE_INT_4:
+ params[3] = INT_TO_BOOLEAN(((GLint *) p)[3]);
+ case TYPE_INT_3:
+ params[2] = INT_TO_BOOLEAN(((GLint *) p)[2]);
+ case TYPE_INT_2:
+ case TYPE_ENUM_2:
+ params[1] = INT_TO_BOOLEAN(((GLint *) p)[1]);
+ case TYPE_INT:
+ case TYPE_ENUM:
+ params[0] = INT_TO_BOOLEAN(((GLint *) p)[0]);
+ break;
+
+ case TYPE_INT_N:
+ for (i = 0; i < v.value_int_n.n; i++)
+ params[i] = INT_TO_BOOLEAN(v.value_int_n.ints[i]);
+ break;
+
+ case TYPE_INT64:
+ params[0] = INT64_TO_BOOLEAN(((GLint64 *) p)[0]);
+ break;
+
+ case TYPE_BOOLEAN:
+ params[0] = ((GLboolean*) p)[0];
+ break;
+
+ case TYPE_MATRIX:
+ m = *(GLmatrix **) p;
+ for (i = 0; i < 16; i++)
+ params[i] = FLOAT_TO_BOOLEAN(m->m[i]);
+ break;
+
+ case TYPE_MATRIX_T:
+ m = *(GLmatrix **) p;
+ for (i = 0; i < 16; i++)
+ params[i] = FLOAT_TO_BOOLEAN(m->m[transpose[i]]);
+ break;
+
+ case TYPE_BIT_0:
+ case TYPE_BIT_1:
+ case TYPE_BIT_2:
+ case TYPE_BIT_3:
+ case TYPE_BIT_4:
+ case TYPE_BIT_5:
+ shift = d->type - TYPE_BIT_0;
+ params[0] = (*(GLbitfield *) p >> shift) & 1;
+ break;
+ }
+}
+
+void GLAPIENTRY
+_mesa_GetFloatv(GLenum pname, GLfloat *params)
+{
+ const struct value_desc *d;
+ union value v;
+ GLmatrix *m;
+ int shift, i;
+ void *p;
+
+ d = find_value("glGetFloatv", pname, &p, &v);
+ switch (d->type) {
+ case TYPE_INVALID:
+ break;
+ case TYPE_CONST:
+ params[0] = (GLfloat) d->offset;
+ break;
+
+ case TYPE_FLOAT_4:
+ case TYPE_FLOATN_4:
+ params[3] = ((GLfloat *) p)[3];
+ case TYPE_FLOAT_3:
+ case TYPE_FLOATN_3:
+ params[2] = ((GLfloat *) p)[2];
+ case TYPE_FLOAT_2:
+ case TYPE_FLOATN_2:
+ params[1] = ((GLfloat *) p)[1];
+ case TYPE_FLOAT:
+ case TYPE_FLOATN:
+ params[0] = ((GLfloat *) p)[0];
+ break;
+
+ case TYPE_DOUBLEN:
+ params[0] = ((GLdouble *) p)[0];
+ break;
+
+ case TYPE_INT_4:
+ params[3] = (GLfloat) (((GLint *) p)[3]);
+ case TYPE_INT_3:
+ params[2] = (GLfloat) (((GLint *) p)[2]);
+ case TYPE_INT_2:
+ case TYPE_ENUM_2:
+ params[1] = (GLfloat) (((GLint *) p)[1]);
+ case TYPE_INT:
+ case TYPE_ENUM:
+ params[0] = (GLfloat) (((GLint *) p)[0]);
+ break;
+
+ case TYPE_INT_N:
+ for (i = 0; i < v.value_int_n.n; i++)
+ params[i] = INT_TO_FLOAT(v.value_int_n.ints[i]);
+ break;
+
+ case TYPE_INT64:
+ params[0] = ((GLint64 *) p)[0];
+ break;
+
+ case TYPE_BOOLEAN:
+ params[0] = BOOLEAN_TO_FLOAT(*(GLboolean*) p);
+ break;
+
+ case TYPE_MATRIX:
+ m = *(GLmatrix **) p;
+ for (i = 0; i < 16; i++)
+ params[i] = m->m[i];
+ break;
+
+ case TYPE_MATRIX_T:
+ m = *(GLmatrix **) p;
+ for (i = 0; i < 16; i++)
+ params[i] = m->m[transpose[i]];
+ break;
+
+ case TYPE_BIT_0:
+ case TYPE_BIT_1:
+ case TYPE_BIT_2:
+ case TYPE_BIT_3:
+ case TYPE_BIT_4:
+ case TYPE_BIT_5:
+ shift = d->type - TYPE_BIT_0;
+ params[0] = BOOLEAN_TO_FLOAT((*(GLbitfield *) p >> shift) & 1);
+ break;
+ }
+}
+
+void GLAPIENTRY
+_mesa_GetIntegerv(GLenum pname, GLint *params)
+{
+ const struct value_desc *d;
+ union value v;
+ GLmatrix *m;
+ int shift, i;
+ void *p;
+
+ d = find_value("glGetIntegerv", pname, &p, &v);
+ switch (d->type) {
+ case TYPE_INVALID:
+ break;
+ case TYPE_CONST:
+ params[0] = d->offset;
+ break;
+
+ case TYPE_FLOAT_4:
+ params[3] = IROUND(((GLfloat *) p)[3]);
+ case TYPE_FLOAT_3:
+ params[2] = IROUND(((GLfloat *) p)[2]);
+ case TYPE_FLOAT_2:
+ params[1] = IROUND(((GLfloat *) p)[1]);
+ case TYPE_FLOAT:
+ params[0] = IROUND(((GLfloat *) p)[0]);
+ break;
+
+ case TYPE_FLOATN_4:
+ params[3] = FLOAT_TO_INT(((GLfloat *) p)[3]);
+ case TYPE_FLOATN_3:
+ params[2] = FLOAT_TO_INT(((GLfloat *) p)[2]);
+ case TYPE_FLOATN_2:
+ params[1] = FLOAT_TO_INT(((GLfloat *) p)[1]);
+ case TYPE_FLOATN:
+ params[0] = FLOAT_TO_INT(((GLfloat *) p)[0]);
+ break;
+
+ case TYPE_DOUBLEN:
+ params[0] = FLOAT_TO_INT(((GLdouble *) p)[0]);
+ break;
+
+ case TYPE_INT_4:
+ params[3] = ((GLint *) p)[3];
+ case TYPE_INT_3:
+ params[2] = ((GLint *) p)[2];
+ case TYPE_INT_2:
+ case TYPE_ENUM_2:
+ params[1] = ((GLint *) p)[1];
+ case TYPE_INT:
+ case TYPE_ENUM:
+ params[0] = ((GLint *) p)[0];
+ break;
+
+ case TYPE_INT_N:
+ for (i = 0; i < v.value_int_n.n; i++)
+ params[i] = v.value_int_n.ints[i];
+ break;
+
+ case TYPE_INT64:
+ params[0] = INT64_TO_INT(((GLint64 *) p)[0]);
+ break;
+
+ case TYPE_BOOLEAN:
+ params[0] = BOOLEAN_TO_INT(*(GLboolean*) p);
+ break;
+
+ case TYPE_MATRIX:
+ m = *(GLmatrix **) p;
+ for (i = 0; i < 16; i++)
+ params[i] = FLOAT_TO_INT(m->m[i]);
+ break;
+
+ case TYPE_MATRIX_T:
+ m = *(GLmatrix **) p;
+ for (i = 0; i < 16; i++)
+ params[i] = FLOAT_TO_INT(m->m[transpose[i]]);
+ break;
+
+ case TYPE_BIT_0:
+ case TYPE_BIT_1:
+ case TYPE_BIT_2:
+ case TYPE_BIT_3:
+ case TYPE_BIT_4:
+ case TYPE_BIT_5:
+ shift = d->type - TYPE_BIT_0;
+ params[0] = (*(GLbitfield *) p >> shift) & 1;
+ break;
+ }
+}
+
+#if FEATURE_ARB_sync
+void GLAPIENTRY
+_mesa_GetInteger64v(GLenum pname, GLint64 *params)
+{
+ const struct value_desc *d;
+ union value v;
+ GLmatrix *m;
+ int shift, i;
+ void *p;
+
+ d = find_value("glGetInteger64v", pname, &p, &v);
+ switch (d->type) {
+ case TYPE_INVALID:
+ break;
+ case TYPE_CONST:
+ params[0] = d->offset;
+ break;
+
+ case TYPE_FLOAT_4:
+ params[3] = IROUND64(((GLfloat *) p)[3]);
+ case TYPE_FLOAT_3:
+ params[2] = IROUND64(((GLfloat *) p)[2]);
+ case TYPE_FLOAT_2:
+ params[1] = IROUND64(((GLfloat *) p)[1]);
+ case TYPE_FLOAT:
+ params[0] = IROUND64(((GLfloat *) p)[0]);
+ break;
+
+ case TYPE_FLOATN_4:
+ params[3] = FLOAT_TO_INT64(((GLfloat *) p)[3]);
+ case TYPE_FLOATN_3:
+ params[2] = FLOAT_TO_INT64(((GLfloat *) p)[2]);
+ case TYPE_FLOATN_2:
+ params[1] = FLOAT_TO_INT64(((GLfloat *) p)[1]);
+ case TYPE_FLOATN:
+ params[0] = FLOAT_TO_INT64(((GLfloat *) p)[0]);
+ break;
+
+ case TYPE_DOUBLEN:
+ params[0] = FLOAT_TO_INT64(((GLdouble *) p)[0]);
+ break;
+
+ case TYPE_INT_4:
+ params[3] = ((GLint *) p)[3];
+ case TYPE_INT_3:
+ params[2] = ((GLint *) p)[2];
+ case TYPE_INT_2:
+ case TYPE_ENUM_2:
+ params[1] = ((GLint *) p)[1];
+ case TYPE_INT:
+ case TYPE_ENUM:
+ params[0] = ((GLint *) p)[0];
+ break;
+
+ case TYPE_INT_N:
+ for (i = 0; i < v.value_int_n.n; i++)
+ params[i] = INT_TO_BOOLEAN(v.value_int_n.ints[i]);
+ break;
+
+ case TYPE_INT64:
+ params[0] = ((GLint64 *) p)[0];
+ break;
+
+ case TYPE_BOOLEAN:
+ params[0] = ((GLboolean*) p)[0];
+ break;
+
+ case TYPE_MATRIX:
+ m = *(GLmatrix **) p;
+ for (i = 0; i < 16; i++)
+ params[i] = FLOAT_TO_INT64(m->m[i]);
+ break;
+
+ case TYPE_MATRIX_T:
+ m = *(GLmatrix **) p;
+ for (i = 0; i < 16; i++)
+ params[i] = FLOAT_TO_INT64(m->m[transpose[i]]);
+ break;
+
+ case TYPE_BIT_0:
+ case TYPE_BIT_1:
+ case TYPE_BIT_2:
+ case TYPE_BIT_3:
+ case TYPE_BIT_4:
+ case TYPE_BIT_5:
+ shift = d->type - TYPE_BIT_0;
+ params[0] = (*(GLbitfield *) p >> shift) & 1;
+ break;
+ }
+}
+#endif /* FEATURE_ARB_sync */
+
+void GLAPIENTRY
+_mesa_GetDoublev(GLenum pname, GLdouble *params)
+{
+ const struct value_desc *d;
+ union value v;
+ GLmatrix *m;
+ int shift, i;
+ void *p;
+
+ d = find_value("glGetDoublev", pname, &p, &v);
+ switch (d->type) {
+ case TYPE_INVALID:
+ break;
+ case TYPE_CONST:
+ params[0] = d->offset;
+ break;
+
+ case TYPE_FLOAT_4:
+ case TYPE_FLOATN_4:
+ params[3] = ((GLfloat *) p)[3];
+ case TYPE_FLOAT_3:
+ case TYPE_FLOATN_3:
+ params[2] = ((GLfloat *) p)[2];
+ case TYPE_FLOAT_2:
+ case TYPE_FLOATN_2:
+ params[1] = ((GLfloat *) p)[1];
+ case TYPE_FLOAT:
+ case TYPE_FLOATN:
+ params[0] = ((GLfloat *) p)[0];
+ break;
+
+ case TYPE_DOUBLEN:
+ params[0] = ((GLdouble *) p)[0];
+ break;
+
+ case TYPE_INT_4:
+ params[3] = ((GLint *) p)[3];
+ case TYPE_INT_3:
+ params[2] = ((GLint *) p)[2];
+ case TYPE_INT_2:
+ case TYPE_ENUM_2:
+ params[1] = ((GLint *) p)[1];
+ case TYPE_INT:
+ case TYPE_ENUM:
+ params[0] = ((GLint *) p)[0];
+ break;
+
+ case TYPE_INT_N:
+ for (i = 0; i < v.value_int_n.n; i++)
+ params[i] = v.value_int_n.ints[i];
+ break;
+
+ case TYPE_INT64:
+ params[0] = ((GLint64 *) p)[0];
+ break;
+
+ case TYPE_BOOLEAN:
+ params[0] = *(GLboolean*) p;
+ break;
+
+ case TYPE_MATRIX:
+ m = *(GLmatrix **) p;
+ for (i = 0; i < 16; i++)
+ params[i] = m->m[i];
+ break;
+
+ case TYPE_MATRIX_T:
+ m = *(GLmatrix **) p;
+ for (i = 0; i < 16; i++)
+ params[i] = m->m[transpose[i]];
+ break;
+
+ case TYPE_BIT_0:
+ case TYPE_BIT_1:
+ case TYPE_BIT_2:
+ case TYPE_BIT_3:
+ case TYPE_BIT_4:
+ case TYPE_BIT_5:
+ shift = d->type - TYPE_BIT_0;
+ params[0] = (*(GLbitfield *) p >> shift) & 1;
+ break;
+ }
+}
+
+static enum value_type
+find_value_indexed(const char *func, GLenum pname, int index, union value *v)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ switch (pname) {
+
+ case GL_BLEND:
+ if (index >= ctx->Const.MaxDrawBuffers)
+ goto invalid_value;
+ if (!ctx->Extensions.EXT_draw_buffers2)
+ goto invalid_enum;
+ v->value_int = (ctx->Color.BlendEnabled >> index) & 1;
+ return TYPE_INT;
+
+ case GL_BLEND_SRC:
+ /* fall-through */
+ case GL_BLEND_SRC_RGB:
+ if (index >= ctx->Const.MaxDrawBuffers)
+ goto invalid_value;
+ if (!ctx->Extensions.ARB_draw_buffers_blend)
+ goto invalid_enum;
+ v->value_int = ctx->Color.Blend[index].SrcRGB;
+ return TYPE_INT;
+ case GL_BLEND_SRC_ALPHA:
+ if (index >= ctx->Const.MaxDrawBuffers)
+ goto invalid_value;
+ if (!ctx->Extensions.ARB_draw_buffers_blend)
+ goto invalid_enum;
+ v->value_int = ctx->Color.Blend[index].SrcA;
+ return TYPE_INT;
+ case GL_BLEND_DST:
+ /* fall-through */
+ case GL_BLEND_DST_RGB:
+ if (index >= ctx->Const.MaxDrawBuffers)
+ goto invalid_value;
+ if (!ctx->Extensions.ARB_draw_buffers_blend)
+ goto invalid_enum;
+ v->value_int = ctx->Color.Blend[index].DstRGB;
+ return TYPE_INT;
+ case GL_BLEND_DST_ALPHA:
+ if (index >= ctx->Const.MaxDrawBuffers)
+ goto invalid_value;
+ if (!ctx->Extensions.ARB_draw_buffers_blend)
+ goto invalid_enum;
+ v->value_int = ctx->Color.Blend[index].DstA;
+ return TYPE_INT;
+ case GL_BLEND_EQUATION_RGB:
+ if (index >= ctx->Const.MaxDrawBuffers)
+ goto invalid_value;
+ if (!ctx->Extensions.ARB_draw_buffers_blend)
+ goto invalid_enum;
+ v->value_int = ctx->Color.Blend[index].EquationRGB;
+ return TYPE_INT;
+ case GL_BLEND_EQUATION_ALPHA:
+ if (index >= ctx->Const.MaxDrawBuffers)
+ goto invalid_value;
+ if (!ctx->Extensions.ARB_draw_buffers_blend)
+ goto invalid_enum;
+ v->value_int = ctx->Color.Blend[index].EquationA;
+ return TYPE_INT;
+
+ case GL_COLOR_WRITEMASK:
+ if (index >= ctx->Const.MaxDrawBuffers)
+ goto invalid_value;
+ if (!ctx->Extensions.EXT_draw_buffers2)
+ goto invalid_enum;
+ v->value_int_4[0] = ctx->Color.ColorMask[index][RCOMP] ? 1 : 0;
+ v->value_int_4[1] = ctx->Color.ColorMask[index][GCOMP] ? 1 : 0;
+ v->value_int_4[2] = ctx->Color.ColorMask[index][BCOMP] ? 1 : 0;
+ v->value_int_4[3] = ctx->Color.ColorMask[index][ACOMP] ? 1 : 0;
+ return TYPE_INT_4;
+
+ case GL_TRANSFORM_FEEDBACK_BUFFER_START:
+ if (index >= ctx->Const.MaxTransformFeedbackSeparateAttribs)
+ goto invalid_value;
+ if (!ctx->Extensions.EXT_transform_feedback)
+ goto invalid_enum;
+ v->value_int64 = ctx->TransformFeedback.CurrentObject->Offset[index];
+ return TYPE_INT64;
+
+ case GL_TRANSFORM_FEEDBACK_BUFFER_SIZE:
+ if (index >= ctx->Const.MaxTransformFeedbackSeparateAttribs)
+ goto invalid_value;
+ if (!ctx->Extensions.EXT_transform_feedback)
+ goto invalid_enum;
+ v->value_int64 = ctx->TransformFeedback.CurrentObject->Size[index];
+ return TYPE_INT64;
+
+ case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING:
+ if (index >= ctx->Const.MaxTransformFeedbackSeparateAttribs)
+ goto invalid_value;
+ if (!ctx->Extensions.EXT_transform_feedback)
+ goto invalid_enum;
+ v->value_int = ctx->TransformFeedback.CurrentObject->Buffers[index]->Name;
+ return TYPE_INT;
+ }
+
+ invalid_enum:
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=%s)", func,
+ _mesa_lookup_enum_by_nr(pname));
+ return TYPE_INVALID;
+ invalid_value:
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s(pname=%s)", func,
+ _mesa_lookup_enum_by_nr(pname));
+ return TYPE_INVALID;
+}
+
+void GLAPIENTRY
+_mesa_GetBooleanIndexedv( GLenum pname, GLuint index, GLboolean *params )
+{
+ union value v;
+ enum value_type type =
+ find_value_indexed("glGetBooleanIndexedv", pname, index, &v);
+
+ switch (type) {
+ case TYPE_INT:
+ params[0] = INT_TO_BOOLEAN(v.value_int);
+ break;
+ case TYPE_INT_4:
+ params[0] = INT_TO_BOOLEAN(v.value_int_4[0]);
+ params[1] = INT_TO_BOOLEAN(v.value_int_4[1]);
+ params[2] = INT_TO_BOOLEAN(v.value_int_4[2]);
+ params[3] = INT_TO_BOOLEAN(v.value_int_4[3]);
+ break;
+ case TYPE_INT64:
+ params[0] = INT64_TO_BOOLEAN(v.value_int);
+ break;
+ default:
+ ; /* nothing - GL error was recorded */
+ }
+}
+
+void GLAPIENTRY
+_mesa_GetIntegerIndexedv( GLenum pname, GLuint index, GLint *params )
+{
+ union value v;
+ enum value_type type =
+ find_value_indexed("glGetIntegerIndexedv", pname, index, &v);
+
+ switch (type) {
+ case TYPE_INT:
+ params[0] = v.value_int;
+ break;
+ case TYPE_INT_4:
+ params[0] = v.value_int_4[0];
+ params[1] = v.value_int_4[1];
+ params[2] = v.value_int_4[2];
+ params[3] = v.value_int_4[3];
+ break;
+ case TYPE_INT64:
+ params[0] = INT64_TO_INT(v.value_int);
+ break;
+ default:
+ ; /* nothing - GL error was recorded */
+ }
+}
+
+#if FEATURE_ARB_sync
+void GLAPIENTRY
+_mesa_GetInteger64Indexedv( GLenum pname, GLuint index, GLint64 *params )
+{
+ union value v;
+ enum value_type type =
+ find_value_indexed("glGetIntegerIndexedv", pname, index, &v);
+
+ switch (type) {
+ case TYPE_INT:
+ params[0] = v.value_int;
+ break;
+ case TYPE_INT_4:
+ params[0] = v.value_int_4[0];
+ params[1] = v.value_int_4[1];
+ params[2] = v.value_int_4[2];
+ params[3] = v.value_int_4[3];
+ break;
+ case TYPE_INT64:
+ params[0] = v.value_int;
+ break;
+ default:
+ ; /* nothing - GL error was recorded */
+ }
+}
+#endif /* FEATURE_ARB_sync */
+
+#if FEATURE_ES1
+void GLAPIENTRY
+_mesa_GetFixedv(GLenum pname, GLfixed *params)
+{
+ const struct value_desc *d;
+ union value v;
+ GLmatrix *m;
+ int shift, i;
+ void *p;
+
+ d = find_value("glGetDoublev", pname, &p, &v);
+ switch (d->type) {
+ case TYPE_INVALID:
+ break;
+ case TYPE_CONST:
+ params[0] = INT_TO_FIXED(d->offset);
+ break;
+
+ case TYPE_FLOAT_4:
+ case TYPE_FLOATN_4:
+ params[3] = FLOAT_TO_FIXED(((GLfloat *) p)[3]);
+ case TYPE_FLOAT_3:
+ case TYPE_FLOATN_3:
+ params[2] = FLOAT_TO_FIXED(((GLfloat *) p)[2]);
+ case TYPE_FLOAT_2:
+ case TYPE_FLOATN_2:
+ params[1] = FLOAT_TO_FIXED(((GLfloat *) p)[1]);
+ case TYPE_FLOAT:
+ case TYPE_FLOATN:
+ params[0] = FLOAT_TO_FIXED(((GLfloat *) p)[0]);
+ break;
+
+ case TYPE_DOUBLEN:
+ params[0] = FLOAT_TO_FIXED(((GLdouble *) p)[0]);
+ break;
+
+ case TYPE_INT_4:
+ params[3] = INT_TO_FIXED(((GLint *) p)[3]);
+ case TYPE_INT_3:
+ params[2] = INT_TO_FIXED(((GLint *) p)[2]);
+ case TYPE_INT_2:
+ case TYPE_ENUM_2:
+ params[1] = INT_TO_FIXED(((GLint *) p)[1]);
+ case TYPE_INT:
+ case TYPE_ENUM:
+ params[0] = INT_TO_FIXED(((GLint *) p)[0]);
+ break;
+
+ case TYPE_INT_N:
+ for (i = 0; i < v.value_int_n.n; i++)
+ params[i] = INT_TO_FIXED(v.value_int_n.ints[i]);
+ break;
+
+ case TYPE_INT64:
+ params[0] = ((GLint64 *) p)[0];
+ break;
+
+ case TYPE_BOOLEAN:
+ params[0] = BOOLEAN_TO_FIXED(((GLboolean*) p)[0]);
+ break;
+
+ case TYPE_MATRIX:
+ m = *(GLmatrix **) p;
+ for (i = 0; i < 16; i++)
+ params[i] = FLOAT_TO_FIXED(m->m[i]);
+ break;
+
+ case TYPE_MATRIX_T:
+ m = *(GLmatrix **) p;
+ for (i = 0; i < 16; i++)
+ params[i] = FLOAT_TO_FIXED(m->m[transpose[i]]);
+ break;
+
+ case TYPE_BIT_0:
+ case TYPE_BIT_1:
+ case TYPE_BIT_2:
+ case TYPE_BIT_3:
+ case TYPE_BIT_4:
+ case TYPE_BIT_5:
+ shift = d->type - TYPE_BIT_0;
+ params[0] = BOOLEAN_TO_FIXED((*(GLbitfield *) p >> shift) & 1);
+ break;
+ }
+}
+#endif
diff --git a/mesalib/src/mesa/main/glheader.h b/mesalib/src/mesa/main/glheader.h
index 0df811986..dc78ccbf6 100644
--- a/mesalib/src/mesa/main/glheader.h
+++ b/mesalib/src/mesa/main/glheader.h
@@ -1,167 +1,167 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.5
- *
- * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-/**
- * \file glheader.h
- * Wrapper for GL/gl.h and GL/glext.h
- */
-
-
-#ifndef GLHEADER_H
-#define GLHEADER_H
-
-
-#ifdef WGLAPI
-#undef WGLAPI
-#endif
-
-
-#if !defined(OPENSTEP) && (defined(__WIN32__) && !defined(__CYGWIN__)) && !defined(BUILD_FOR_SNAP)
-# if (defined(_MSC_VER) || defined(__MINGW32__)) && defined(BUILD_GL32) /* tag specify we're building mesa as a DLL */
-# define WGLAPI __declspec(dllexport)
-# elif (defined(_MSC_VER) || defined(__MINGW32__)) && defined(_DLL) /* tag specifying we're building for DLL runtime support */
-# define WGLAPI __declspec(dllimport)
-# else /* for use with static link lib build of Win32 edition only */
-# define WGLAPI __declspec(dllimport)
-# endif /* _STATIC_MESA support */
-#endif /* WIN32 / CYGWIN bracket */
-
-
-#define GL_GLEXT_PROTOTYPES
-#include "GL/gl.h"
-#include "GL/glext.h"
-
-
-/**
- * GL_FIXED is defined in glext.h version 64 but these typedefs aren't (yet).
- */
-typedef int GLfixed;
-typedef int GLclampx;
-
-
-#ifndef GL_OES_EGL_image
-typedef void *GLeglImageOES;
-#endif
-
-
-#ifndef GL_OES_point_size_array
-#define GL_POINT_SIZE_ARRAY_OES 0x8B9C
-#define GL_POINT_SIZE_ARRAY_TYPE_OES 0x898A
-#define GL_POINT_SIZE_ARRAY_STRIDE_OES 0x898B
-#define GL_POINT_SIZE_ARRAY_POINTER_OES 0x898C
-#define GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES 0x8B9F
-#endif
-
-
-#ifndef GL_OES_draw_texture
-#define GL_TEXTURE_CROP_RECT_OES 0x8B9D
-#endif
-
-
-#ifndef GL_PROGRAM_BINARY_LENGTH_OES
-#define GL_PROGRAM_BINARY_LENGTH_OES 0x8741
-#endif
-
-/* GLES 2.0 tokens */
-#ifndef GL_RGB565
-#define GL_RGB565 0x8D62
-#endif
-
-#ifndef GL_TEXTURE_GEN_STR_OES
-#define GL_TEXTURE_GEN_STR_OES 0x8D60
-#endif
-
-#ifndef GL_OES_compressed_paletted_texture
-#define GL_PALETTE4_RGB8_OES 0x8B90
-#define GL_PALETTE4_RGBA8_OES 0x8B91
-#define GL_PALETTE4_R5_G6_B5_OES 0x8B92
-#define GL_PALETTE4_RGBA4_OES 0x8B93
-#define GL_PALETTE4_RGB5_A1_OES 0x8B94
-#define GL_PALETTE8_RGB8_OES 0x8B95
-#define GL_PALETTE8_RGBA8_OES 0x8B96
-#define GL_PALETTE8_R5_G6_B5_OES 0x8B97
-#define GL_PALETTE8_RGBA4_OES 0x8B98
-#define GL_PALETTE8_RGB5_A1_OES 0x8B99
-#endif
-
-#ifndef GL_OES_matrix_get
-#define GL_MODELVIEW_MATRIX_FLOAT_AS_INT_BITS_OES 0x898D
-#define GL_PROJECTION_MATRIX_FLOAT_AS_INT_BITS_OES 0x898E
-#define GL_TEXTURE_MATRIX_FLOAT_AS_INT_BITS_OES 0x898F
-#endif
-
-#ifndef GL_ES_VERSION_2_0
-#define GL_SHADER_BINARY_FORMATS 0x8DF8
-#define GL_NUM_SHADER_BINARY_FORMATS 0x8DF9
-#define GL_SHADER_COMPILER 0x8DFA
-#define GL_MAX_VERTEX_UNIFORM_VECTORS 0x8DFB
-#define GL_MAX_VARYING_VECTORS 0x8DFC
-#define GL_MAX_FRAGMENT_UNIFORM_VECTORS 0x8DFD
-#endif
-
-#ifndef GL_ATI_texture_compression_3dc
-#define GL_ATI_texture_compression_3dc 1
-#define GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI 0x8837
-#endif
-
-
-/**
- * Internal token to represent a GLSL shader program (a collection of
- * one or more shaders that get linked together). Note that GLSL
- * shaders and shader programs share one name space (one hash table)
- * so we need a value that's different from any of the
- * GL_VERTEX/FRAGMENT/GEOMETRY_PROGRAM tokens.
- */
-#define GL_SHADER_PROGRAM_MESA 0x9999
-
-
-/**
- * Internal token for geometry programs.
- * Use the value for GL_GEOMETRY_PROGRAM_NV for now.
- */
-#define MESA_GEOMETRY_PROGRAM 0x8c26
-
-/* Several fields of struct gl_config can take these as values. Since
- * GLX header files may not be available everywhere they need to be used,
- * redefine them here.
- */
-#define GLX_NONE 0x8000
-#define GLX_SLOW_CONFIG 0x8001
-#define GLX_TRUE_COLOR 0x8002
-#define GLX_DIRECT_COLOR 0x8003
-#define GLX_PSEUDO_COLOR 0x8004
-#define GLX_STATIC_COLOR 0x8005
-#define GLX_GRAY_SCALE 0x8006
-#define GLX_STATIC_GRAY 0x8007
-#define GLX_TRANSPARENT_RGB 0x8008
-#define GLX_TRANSPARENT_INDEX 0x8009
-#define GLX_NON_CONFORMANT_CONFIG 0x800D
-#define GLX_SWAP_EXCHANGE_OML 0x8061
-#define GLX_SWAP_COPY_OML 0x8062
-#define GLX_SWAP_UNDEFINED_OML 0x8063
-
-#define GLX_DONT_CARE 0xFFFFFFFF
-
-#endif /* GLHEADER_H */
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.5
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/**
+ * \file glheader.h
+ * Wrapper for GL/gl.h and GL/glext.h
+ */
+
+
+#ifndef GLHEADER_H
+#define GLHEADER_H
+
+
+#ifdef WGLAPI
+#undef WGLAPI
+#endif
+
+
+#if !defined(OPENSTEP) && (defined(__WIN32__) && !defined(__CYGWIN__)) && !defined(BUILD_FOR_SNAP)
+# if (defined(_MSC_VER) || defined(__MINGW32__)) && defined(BUILD_GL32) /* tag specify we're building mesa as a DLL */
+# define WGLAPI __declspec(dllexport)
+# elif (defined(_MSC_VER) || defined(__MINGW32__)) && defined(_DLL) /* tag specifying we're building for DLL runtime support */
+# define WGLAPI __declspec(dllimport)
+# else /* for use with static link lib build of Win32 edition only */
+# define WGLAPI __declspec(dllimport)
+# endif /* _STATIC_MESA support */
+#endif /* WIN32 / CYGWIN bracket */
+
+
+#define GL_GLEXT_PROTOTYPES
+#include "GL/gl.h"
+#include "GL/glext.h"
+
+
+/**
+ * GL_FIXED is defined in glext.h version 64 but these typedefs aren't (yet).
+ */
+typedef int GLfixed;
+typedef int GLclampx;
+
+
+#ifndef GL_OES_EGL_image
+typedef void *GLeglImageOES;
+#endif
+
+
+#ifndef GL_OES_point_size_array
+#define GL_POINT_SIZE_ARRAY_OES 0x8B9C
+#define GL_POINT_SIZE_ARRAY_TYPE_OES 0x898A
+#define GL_POINT_SIZE_ARRAY_STRIDE_OES 0x898B
+#define GL_POINT_SIZE_ARRAY_POINTER_OES 0x898C
+#define GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES 0x8B9F
+#endif
+
+
+#ifndef GL_OES_draw_texture
+#define GL_TEXTURE_CROP_RECT_OES 0x8B9D
+#endif
+
+
+#ifndef GL_PROGRAM_BINARY_LENGTH_OES
+#define GL_PROGRAM_BINARY_LENGTH_OES 0x8741
+#endif
+
+/* GLES 2.0 tokens */
+#ifndef GL_RGB565
+#define GL_RGB565 0x8D62
+#endif
+
+#ifndef GL_TEXTURE_GEN_STR_OES
+#define GL_TEXTURE_GEN_STR_OES 0x8D60
+#endif
+
+#ifndef GL_OES_compressed_paletted_texture
+#define GL_PALETTE4_RGB8_OES 0x8B90
+#define GL_PALETTE4_RGBA8_OES 0x8B91
+#define GL_PALETTE4_R5_G6_B5_OES 0x8B92
+#define GL_PALETTE4_RGBA4_OES 0x8B93
+#define GL_PALETTE4_RGB5_A1_OES 0x8B94
+#define GL_PALETTE8_RGB8_OES 0x8B95
+#define GL_PALETTE8_RGBA8_OES 0x8B96
+#define GL_PALETTE8_R5_G6_B5_OES 0x8B97
+#define GL_PALETTE8_RGBA4_OES 0x8B98
+#define GL_PALETTE8_RGB5_A1_OES 0x8B99
+#endif
+
+#ifndef GL_OES_matrix_get
+#define GL_MODELVIEW_MATRIX_FLOAT_AS_INT_BITS_OES 0x898D
+#define GL_PROJECTION_MATRIX_FLOAT_AS_INT_BITS_OES 0x898E
+#define GL_TEXTURE_MATRIX_FLOAT_AS_INT_BITS_OES 0x898F
+#endif
+
+#ifndef GL_ES_VERSION_2_0
+#define GL_SHADER_BINARY_FORMATS 0x8DF8
+#define GL_NUM_SHADER_BINARY_FORMATS 0x8DF9
+#define GL_SHADER_COMPILER 0x8DFA
+#define GL_MAX_VERTEX_UNIFORM_VECTORS 0x8DFB
+#define GL_MAX_VARYING_VECTORS 0x8DFC
+#define GL_MAX_FRAGMENT_UNIFORM_VECTORS 0x8DFD
+#endif
+
+#ifndef GL_ATI_texture_compression_3dc
+#define GL_ATI_texture_compression_3dc 1
+#define GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI 0x8837
+#endif
+
+
+/**
+ * Internal token to represent a GLSL shader program (a collection of
+ * one or more shaders that get linked together). Note that GLSL
+ * shaders and shader programs share one name space (one hash table)
+ * so we need a value that's different from any of the
+ * GL_VERTEX/FRAGMENT/GEOMETRY_PROGRAM tokens.
+ */
+#define GL_SHADER_PROGRAM_MESA 0x9999
+
+
+/**
+ * Internal token for geometry programs.
+ * Use the value for GL_GEOMETRY_PROGRAM_NV for now.
+ */
+#define MESA_GEOMETRY_PROGRAM 0x8c26
+
+/* Several fields of struct gl_config can take these as values. Since
+ * GLX header files may not be available everywhere they need to be used,
+ * redefine them here.
+ */
+#define GLX_NONE 0x8000
+#define GLX_SLOW_CONFIG 0x8001
+#define GLX_TRUE_COLOR 0x8002
+#define GLX_DIRECT_COLOR 0x8003
+#define GLX_PSEUDO_COLOR 0x8004
+#define GLX_STATIC_COLOR 0x8005
+#define GLX_GRAY_SCALE 0x8006
+#define GLX_STATIC_GRAY 0x8007
+#define GLX_TRANSPARENT_RGB 0x8008
+#define GLX_TRANSPARENT_INDEX 0x8009
+#define GLX_NON_CONFORMANT_CONFIG 0x800D
+#define GLX_SWAP_EXCHANGE_OML 0x8061
+#define GLX_SWAP_COPY_OML 0x8062
+#define GLX_SWAP_UNDEFINED_OML 0x8063
+
+#define GLX_DONT_CARE 0xFFFFFFFF
+
+#endif /* GLHEADER_H */
diff --git a/mesalib/src/mesa/main/hint.c b/mesalib/src/mesa/main/hint.c
index ff8d88fff..aea0d7022 100644
--- a/mesalib/src/mesa/main/hint.c
+++ b/mesalib/src/mesa/main/hint.c
@@ -1,147 +1,147 @@
-
-/*
- * Mesa 3-D graphics library
- * Version: 4.1
- *
- * Copyright (C) 1999-2002 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-#include "glheader.h"
-#include "enums.h"
-#include "context.h"
-#include "hint.h"
-#include "imports.h"
-#include "mtypes.h"
-
-
-
-void GLAPIENTRY
-_mesa_Hint( GLenum target, GLenum mode )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glHint %s %s\n",
- _mesa_lookup_enum_by_nr(target),
- _mesa_lookup_enum_by_nr(mode));
-
- if (mode != GL_NICEST && mode != GL_FASTEST && mode != GL_DONT_CARE) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glHint(mode)");
- return;
- }
-
- switch (target) {
- case GL_FOG_HINT:
- if (ctx->Hint.Fog == mode)
- return;
- FLUSH_VERTICES(ctx, _NEW_HINT);
- ctx->Hint.Fog = mode;
- break;
- case GL_LINE_SMOOTH_HINT:
- if (ctx->Hint.LineSmooth == mode)
- return;
- FLUSH_VERTICES(ctx, _NEW_HINT);
- ctx->Hint.LineSmooth = mode;
- break;
- case GL_PERSPECTIVE_CORRECTION_HINT:
- if (ctx->Hint.PerspectiveCorrection == mode)
- return;
- FLUSH_VERTICES(ctx, _NEW_HINT);
- ctx->Hint.PerspectiveCorrection = mode;
- break;
- case GL_POINT_SMOOTH_HINT:
- if (ctx->Hint.PointSmooth == mode)
- return;
- FLUSH_VERTICES(ctx, _NEW_HINT);
- ctx->Hint.PointSmooth = mode;
- break;
- case GL_POLYGON_SMOOTH_HINT:
- if (ctx->Hint.PolygonSmooth == mode)
- return;
- FLUSH_VERTICES(ctx, _NEW_HINT);
- ctx->Hint.PolygonSmooth = mode;
- break;
-
- /* GL_EXT_clip_volume_hint */
- case GL_CLIP_VOLUME_CLIPPING_HINT_EXT:
- if (ctx->Hint.ClipVolumeClipping == mode)
- return;
- FLUSH_VERTICES(ctx, _NEW_HINT);
- ctx->Hint.ClipVolumeClipping = mode;
- break;
-
- /* GL_ARB_texture_compression */
- case GL_TEXTURE_COMPRESSION_HINT_ARB:
- if (ctx->Hint.TextureCompression == mode)
- return;
- FLUSH_VERTICES(ctx, _NEW_HINT);
- ctx->Hint.TextureCompression = mode;
- break;
-
- /* GL_SGIS_generate_mipmap */
- case GL_GENERATE_MIPMAP_HINT_SGIS:
- if (ctx->Hint.GenerateMipmap == mode)
- return;
- FLUSH_VERTICES(ctx, _NEW_HINT);
- ctx->Hint.GenerateMipmap = mode;
- break;
-
- /* GL_ARB_fragment_shader */
- case GL_FRAGMENT_SHADER_DERIVATIVE_HINT_ARB:
- if (!ctx->Extensions.ARB_fragment_shader) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glHint(target)");
- return;
- }
- if (ctx->Hint.FragmentShaderDerivative == mode)
- return;
- FLUSH_VERTICES(ctx, _NEW_HINT);
- ctx->Hint.FragmentShaderDerivative = mode;
- break;
-
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glHint(target)");
- return;
- }
-
- if (ctx->Driver.Hint) {
- (*ctx->Driver.Hint)( ctx, target, mode );
- }
-}
-
-
-/**********************************************************************/
-/***** Initialization *****/
-/**********************************************************************/
-
-void _mesa_init_hint( struct gl_context * ctx )
-{
- /* Hint group */
- ctx->Hint.PerspectiveCorrection = GL_DONT_CARE;
- ctx->Hint.PointSmooth = GL_DONT_CARE;
- ctx->Hint.LineSmooth = GL_DONT_CARE;
- ctx->Hint.PolygonSmooth = GL_DONT_CARE;
- ctx->Hint.Fog = GL_DONT_CARE;
- ctx->Hint.ClipVolumeClipping = GL_DONT_CARE;
- ctx->Hint.TextureCompression = GL_DONT_CARE;
- ctx->Hint.GenerateMipmap = GL_DONT_CARE;
- ctx->Hint.FragmentShaderDerivative = GL_DONT_CARE;
-}
+
+/*
+ * Mesa 3-D graphics library
+ * Version: 4.1
+ *
+ * Copyright (C) 1999-2002 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#include "glheader.h"
+#include "enums.h"
+#include "context.h"
+#include "hint.h"
+#include "imports.h"
+#include "mtypes.h"
+
+
+
+void GLAPIENTRY
+_mesa_Hint( GLenum target, GLenum mode )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glHint %s %s\n",
+ _mesa_lookup_enum_by_nr(target),
+ _mesa_lookup_enum_by_nr(mode));
+
+ if (mode != GL_NICEST && mode != GL_FASTEST && mode != GL_DONT_CARE) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glHint(mode)");
+ return;
+ }
+
+ switch (target) {
+ case GL_FOG_HINT:
+ if (ctx->Hint.Fog == mode)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_HINT);
+ ctx->Hint.Fog = mode;
+ break;
+ case GL_LINE_SMOOTH_HINT:
+ if (ctx->Hint.LineSmooth == mode)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_HINT);
+ ctx->Hint.LineSmooth = mode;
+ break;
+ case GL_PERSPECTIVE_CORRECTION_HINT:
+ if (ctx->Hint.PerspectiveCorrection == mode)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_HINT);
+ ctx->Hint.PerspectiveCorrection = mode;
+ break;
+ case GL_POINT_SMOOTH_HINT:
+ if (ctx->Hint.PointSmooth == mode)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_HINT);
+ ctx->Hint.PointSmooth = mode;
+ break;
+ case GL_POLYGON_SMOOTH_HINT:
+ if (ctx->Hint.PolygonSmooth == mode)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_HINT);
+ ctx->Hint.PolygonSmooth = mode;
+ break;
+
+ /* GL_EXT_clip_volume_hint */
+ case GL_CLIP_VOLUME_CLIPPING_HINT_EXT:
+ if (ctx->Hint.ClipVolumeClipping == mode)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_HINT);
+ ctx->Hint.ClipVolumeClipping = mode;
+ break;
+
+ /* GL_ARB_texture_compression */
+ case GL_TEXTURE_COMPRESSION_HINT_ARB:
+ if (ctx->Hint.TextureCompression == mode)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_HINT);
+ ctx->Hint.TextureCompression = mode;
+ break;
+
+ /* GL_SGIS_generate_mipmap */
+ case GL_GENERATE_MIPMAP_HINT_SGIS:
+ if (ctx->Hint.GenerateMipmap == mode)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_HINT);
+ ctx->Hint.GenerateMipmap = mode;
+ break;
+
+ /* GL_ARB_fragment_shader */
+ case GL_FRAGMENT_SHADER_DERIVATIVE_HINT_ARB:
+ if (!ctx->Extensions.ARB_fragment_shader) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glHint(target)");
+ return;
+ }
+ if (ctx->Hint.FragmentShaderDerivative == mode)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_HINT);
+ ctx->Hint.FragmentShaderDerivative = mode;
+ break;
+
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glHint(target)");
+ return;
+ }
+
+ if (ctx->Driver.Hint) {
+ (*ctx->Driver.Hint)( ctx, target, mode );
+ }
+}
+
+
+/**********************************************************************/
+/***** Initialization *****/
+/**********************************************************************/
+
+void _mesa_init_hint( struct gl_context * ctx )
+{
+ /* Hint group */
+ ctx->Hint.PerspectiveCorrection = GL_DONT_CARE;
+ ctx->Hint.PointSmooth = GL_DONT_CARE;
+ ctx->Hint.LineSmooth = GL_DONT_CARE;
+ ctx->Hint.PolygonSmooth = GL_DONT_CARE;
+ ctx->Hint.Fog = GL_DONT_CARE;
+ ctx->Hint.ClipVolumeClipping = GL_DONT_CARE;
+ ctx->Hint.TextureCompression = GL_DONT_CARE;
+ ctx->Hint.GenerateMipmap = GL_DONT_CARE;
+ ctx->Hint.FragmentShaderDerivative = GL_DONT_CARE;
+}
diff --git a/mesalib/src/mesa/main/image.c b/mesalib/src/mesa/main/image.c
index bbde3800e..466fc617a 100644
--- a/mesalib/src/mesa/main/image.c
+++ b/mesalib/src/mesa/main/image.c
@@ -1,1891 +1,1891 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.5
- *
- * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
- * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-/**
- * \file image.c
- * Image handling.
- */
-
-
-#include "glheader.h"
-#include "colormac.h"
-#include "image.h"
-#include "imports.h"
-#include "macros.h"
-#include "mfeatures.h"
-#include "mtypes.h"
-
-
-/**
- * NOTE:
- * Normally, BYTE_TO_FLOAT(0) returns 0.00392 That causes problems when
- * we later convert the float to a packed integer value (such as for
- * GL_RGB5_A1) because we'll wind up with a non-zero value.
- *
- * We redefine the macros here so zero is handled correctly.
- */
-#undef BYTE_TO_FLOAT
-#define BYTE_TO_FLOAT(B) ((B) == 0 ? 0.0F : ((2.0F * (B) + 1.0F) * (1.0F/255.0F)))
-
-#undef SHORT_TO_FLOAT
-#define SHORT_TO_FLOAT(S) ((S) == 0 ? 0.0F : ((2.0F * (S) + 1.0F) * (1.0F/65535.0F)))
-
-
-
-/** Compute ceiling of integer quotient of A divided by B. */
-#define CEILING( A, B ) ( (A) % (B) == 0 ? (A)/(B) : (A)/(B)+1 )
-
-
-/**
- * \return GL_TRUE if type is packed pixel type, GL_FALSE otherwise.
- */
-GLboolean
-_mesa_type_is_packed(GLenum type)
-{
- switch (type) {
- case GL_UNSIGNED_BYTE_3_3_2:
- case GL_UNSIGNED_BYTE_2_3_3_REV:
- case MESA_UNSIGNED_BYTE_4_4:
- case GL_UNSIGNED_SHORT_5_6_5:
- case GL_UNSIGNED_SHORT_5_6_5_REV:
- case GL_UNSIGNED_SHORT_4_4_4_4:
- case GL_UNSIGNED_SHORT_4_4_4_4_REV:
- case GL_UNSIGNED_SHORT_5_5_5_1:
- case GL_UNSIGNED_SHORT_1_5_5_5_REV:
- case GL_UNSIGNED_INT_8_8_8_8:
- case GL_UNSIGNED_INT_8_8_8_8_REV:
- case GL_UNSIGNED_INT_10_10_10_2:
- case GL_UNSIGNED_INT_2_10_10_10_REV:
- case GL_UNSIGNED_SHORT_8_8_MESA:
- case GL_UNSIGNED_SHORT_8_8_REV_MESA:
- case GL_UNSIGNED_INT_24_8_EXT:
- return GL_TRUE;
- }
-
- return GL_FALSE;
-}
-
-
-
-/**
- * Flip the order of the 2 bytes in each word in the given array.
- *
- * \param p array.
- * \param n number of words.
- */
-void
-_mesa_swap2( GLushort *p, GLuint n )
-{
- GLuint i;
- for (i = 0; i < n; i++) {
- p[i] = (p[i] >> 8) | ((p[i] << 8) & 0xff00);
- }
-}
-
-
-
-/*
- * Flip the order of the 4 bytes in each word in the given array.
- */
-void
-_mesa_swap4( GLuint *p, GLuint n )
-{
- GLuint i, a, b;
- for (i = 0; i < n; i++) {
- b = p[i];
- a = (b >> 24)
- | ((b >> 8) & 0xff00)
- | ((b << 8) & 0xff0000)
- | ((b << 24) & 0xff000000);
- p[i] = a;
- }
-}
-
-
-/**
- * Get the size of a GL data type.
- *
- * \param type GL data type.
- *
- * \return the size, in bytes, of the given data type, 0 if a GL_BITMAP, or -1
- * if an invalid type enum.
- */
-GLint
-_mesa_sizeof_type( GLenum type )
-{
- switch (type) {
- case GL_BITMAP:
- return 0;
- case GL_UNSIGNED_BYTE:
- return sizeof(GLubyte);
- case GL_BYTE:
- return sizeof(GLbyte);
- case GL_UNSIGNED_SHORT:
- return sizeof(GLushort);
- case GL_SHORT:
- return sizeof(GLshort);
- case GL_UNSIGNED_INT:
- return sizeof(GLuint);
- case GL_INT:
- return sizeof(GLint);
- case GL_FLOAT:
- return sizeof(GLfloat);
- case GL_DOUBLE:
- return sizeof(GLdouble);
- case GL_HALF_FLOAT_ARB:
- return sizeof(GLhalfARB);
- case GL_FIXED:
- return sizeof(GLfixed);
- default:
- return -1;
- }
-}
-
-
-/**
- * Same as _mesa_sizeof_type() but also accepting the packed pixel
- * format data types.
- */
-GLint
-_mesa_sizeof_packed_type( GLenum type )
-{
- switch (type) {
- case GL_BITMAP:
- return 0;
- case GL_UNSIGNED_BYTE:
- return sizeof(GLubyte);
- case GL_BYTE:
- return sizeof(GLbyte);
- case GL_UNSIGNED_SHORT:
- return sizeof(GLushort);
- case GL_SHORT:
- return sizeof(GLshort);
- case GL_UNSIGNED_INT:
- return sizeof(GLuint);
- case GL_INT:
- return sizeof(GLint);
- case GL_HALF_FLOAT_ARB:
- return sizeof(GLhalfARB);
- case GL_FLOAT:
- return sizeof(GLfloat);
- case GL_UNSIGNED_BYTE_3_3_2:
- return sizeof(GLubyte);
- case GL_UNSIGNED_BYTE_2_3_3_REV:
- return sizeof(GLubyte);
- case MESA_UNSIGNED_BYTE_4_4:
- return sizeof(GLubyte);
- case GL_UNSIGNED_SHORT_5_6_5:
- return sizeof(GLushort);
- case GL_UNSIGNED_SHORT_5_6_5_REV:
- return sizeof(GLushort);
- case GL_UNSIGNED_SHORT_4_4_4_4:
- return sizeof(GLushort);
- case GL_UNSIGNED_SHORT_4_4_4_4_REV:
- return sizeof(GLushort);
- case GL_UNSIGNED_SHORT_5_5_5_1:
- return sizeof(GLushort);
- case GL_UNSIGNED_SHORT_1_5_5_5_REV:
- return sizeof(GLushort);
- case GL_UNSIGNED_INT_8_8_8_8:
- return sizeof(GLuint);
- case GL_UNSIGNED_INT_8_8_8_8_REV:
- return sizeof(GLuint);
- case GL_UNSIGNED_INT_10_10_10_2:
- return sizeof(GLuint);
- case GL_UNSIGNED_INT_2_10_10_10_REV:
- return sizeof(GLuint);
- case GL_UNSIGNED_SHORT_8_8_MESA:
- case GL_UNSIGNED_SHORT_8_8_REV_MESA:
- return sizeof(GLushort);
- case GL_UNSIGNED_INT_24_8_EXT:
- return sizeof(GLuint);
- default:
- return -1;
- }
-}
-
-
-/**
- * Get the number of components in a pixel format.
- *
- * \param format pixel format.
- *
- * \return the number of components in the given format, or -1 if a bad format.
- */
-GLint
-_mesa_components_in_format( GLenum format )
-{
- switch (format) {
- case GL_COLOR_INDEX:
- case GL_COLOR_INDEX1_EXT:
- case GL_COLOR_INDEX2_EXT:
- case GL_COLOR_INDEX4_EXT:
- case GL_COLOR_INDEX8_EXT:
- case GL_COLOR_INDEX12_EXT:
- case GL_COLOR_INDEX16_EXT:
- case GL_STENCIL_INDEX:
- case GL_DEPTH_COMPONENT:
- case GL_RED:
- case GL_RED_INTEGER_EXT:
- case GL_GREEN:
- case GL_GREEN_INTEGER_EXT:
- case GL_BLUE:
- case GL_BLUE_INTEGER_EXT:
- case GL_ALPHA:
- case GL_ALPHA_INTEGER_EXT:
- case GL_LUMINANCE:
- case GL_LUMINANCE_INTEGER_EXT:
- case GL_INTENSITY:
- return 1;
- case GL_LUMINANCE_ALPHA:
- case GL_LUMINANCE_ALPHA_INTEGER_EXT:
- case GL_RG:
- return 2;
- case GL_RGB:
- case GL_RGB_INTEGER_EXT:
- return 3;
- case GL_RGBA:
- case GL_RGBA_INTEGER_EXT:
- return 4;
- case GL_BGR:
- return 3;
- case GL_BGRA:
- return 4;
- case GL_ABGR_EXT:
- return 4;
- case GL_YCBCR_MESA:
- return 2;
- case GL_DEPTH_STENCIL_EXT:
- return 2;
- case GL_DUDV_ATI:
- case GL_DU8DV8_ATI:
- return 2;
- default:
- return -1;
- }
-}
-
-
-/**
- * Get the bytes per pixel of pixel format type pair.
- *
- * \param format pixel format.
- * \param type pixel type.
- *
- * \return bytes per pixel, or -1 if a bad format or type was given.
- */
-GLint
-_mesa_bytes_per_pixel( GLenum format, GLenum type )
-{
- GLint comps = _mesa_components_in_format( format );
- if (comps < 0)
- return -1;
-
- switch (type) {
- case GL_BITMAP:
- return 0; /* special case */
- case GL_BYTE:
- case GL_UNSIGNED_BYTE:
- return comps * sizeof(GLubyte);
- case GL_SHORT:
- case GL_UNSIGNED_SHORT:
- return comps * sizeof(GLshort);
- case GL_INT:
- case GL_UNSIGNED_INT:
- return comps * sizeof(GLint);
- case GL_FLOAT:
- return comps * sizeof(GLfloat);
- case GL_HALF_FLOAT_ARB:
- return comps * sizeof(GLhalfARB);
- case GL_UNSIGNED_BYTE_3_3_2:
- case GL_UNSIGNED_BYTE_2_3_3_REV:
- if (format == GL_RGB || format == GL_BGR ||
- format == GL_RGB_INTEGER_EXT || format == GL_BGR_INTEGER_EXT)
- return sizeof(GLubyte);
- else
- return -1; /* error */
- case GL_UNSIGNED_SHORT_5_6_5:
- case GL_UNSIGNED_SHORT_5_6_5_REV:
- if (format == GL_RGB || format == GL_BGR ||
- format == GL_RGB_INTEGER_EXT || format == GL_BGR_INTEGER_EXT)
- return sizeof(GLushort);
- else
- return -1; /* error */
- case GL_UNSIGNED_SHORT_4_4_4_4:
- case GL_UNSIGNED_SHORT_4_4_4_4_REV:
- case GL_UNSIGNED_SHORT_5_5_5_1:
- case GL_UNSIGNED_SHORT_1_5_5_5_REV:
- if (format == GL_RGBA || format == GL_BGRA || format == GL_ABGR_EXT ||
- format == GL_RGBA_INTEGER_EXT || format == GL_BGRA_INTEGER_EXT)
- return sizeof(GLushort);
- else
- return -1;
- case GL_UNSIGNED_INT_8_8_8_8:
- case GL_UNSIGNED_INT_8_8_8_8_REV:
- case GL_UNSIGNED_INT_10_10_10_2:
- case GL_UNSIGNED_INT_2_10_10_10_REV:
- if (format == GL_RGBA || format == GL_BGRA || format == GL_ABGR_EXT ||
- format == GL_RGBA_INTEGER_EXT || format == GL_BGRA_INTEGER_EXT)
- return sizeof(GLuint);
- else
- return -1;
- case GL_UNSIGNED_SHORT_8_8_MESA:
- case GL_UNSIGNED_SHORT_8_8_REV_MESA:
- if (format == GL_YCBCR_MESA)
- return sizeof(GLushort);
- else
- return -1;
- case GL_UNSIGNED_INT_24_8_EXT:
- if (format == GL_DEPTH_STENCIL_EXT)
- return sizeof(GLuint);
- else
- return -1;
- default:
- return -1;
- }
-}
-
-
-/**
- * Test for a legal pixel format and type.
- *
- * \param format pixel format.
- * \param type pixel type.
- *
- * \return GL_TRUE if the given pixel format and type are legal, or GL_FALSE
- * otherwise.
- */
-GLboolean
-_mesa_is_legal_format_and_type(const struct gl_context *ctx,
- GLenum format, GLenum type)
-{
- switch (format) {
- case GL_COLOR_INDEX:
- case GL_STENCIL_INDEX:
- switch (type) {
- case GL_BITMAP:
- case GL_BYTE:
- case GL_UNSIGNED_BYTE:
- case GL_SHORT:
- case GL_UNSIGNED_SHORT:
- case GL_INT:
- case GL_UNSIGNED_INT:
- case GL_FLOAT:
- return GL_TRUE;
- case GL_HALF_FLOAT_ARB:
- return ctx->Extensions.ARB_half_float_pixel;
- default:
- return GL_FALSE;
- }
- case GL_RED:
- case GL_GREEN:
- case GL_BLUE:
- case GL_ALPHA:
-#if 0 /* not legal! see table 3.6 of the 1.5 spec */
- case GL_INTENSITY:
-#endif
- case GL_LUMINANCE:
- case GL_LUMINANCE_ALPHA:
- case GL_DEPTH_COMPONENT:
- switch (type) {
- case GL_BYTE:
- case GL_UNSIGNED_BYTE:
- case GL_SHORT:
- case GL_UNSIGNED_SHORT:
- case GL_INT:
- case GL_UNSIGNED_INT:
- case GL_FLOAT:
- return GL_TRUE;
- case GL_HALF_FLOAT_ARB:
- return ctx->Extensions.ARB_half_float_pixel;
- default:
- return GL_FALSE;
- }
- case GL_RG:
- if (!ctx->Extensions.ARB_texture_rg)
- return GL_FALSE;
-
- switch (type) {
- case GL_BYTE:
- case GL_UNSIGNED_BYTE:
- case GL_SHORT:
- case GL_UNSIGNED_SHORT:
- case GL_INT:
- case GL_UNSIGNED_INT:
- case GL_FLOAT:
- return GL_TRUE;
- case GL_HALF_FLOAT_ARB:
- return ctx->Extensions.ARB_half_float_pixel;
- default:
- return GL_FALSE;
- }
- case GL_RGB:
- switch (type) {
- case GL_BYTE:
- case GL_UNSIGNED_BYTE:
- case GL_SHORT:
- case GL_UNSIGNED_SHORT:
- case GL_INT:
- case GL_UNSIGNED_INT:
- case GL_FLOAT:
- case GL_UNSIGNED_BYTE_3_3_2:
- case GL_UNSIGNED_BYTE_2_3_3_REV:
- case GL_UNSIGNED_SHORT_5_6_5:
- case GL_UNSIGNED_SHORT_5_6_5_REV:
- return GL_TRUE;
- case GL_HALF_FLOAT_ARB:
- return ctx->Extensions.ARB_half_float_pixel;
- default:
- return GL_FALSE;
- }
- case GL_BGR:
- switch (type) {
- /* NOTE: no packed types are supported with BGR. That's
- * intentional, according to the GL spec.
- */
- case GL_BYTE:
- case GL_UNSIGNED_BYTE:
- case GL_SHORT:
- case GL_UNSIGNED_SHORT:
- case GL_INT:
- case GL_UNSIGNED_INT:
- case GL_FLOAT:
- return GL_TRUE;
- case GL_HALF_FLOAT_ARB:
- return ctx->Extensions.ARB_half_float_pixel;
- default:
- return GL_FALSE;
- }
- case GL_RGBA:
- case GL_BGRA:
- case GL_ABGR_EXT:
- switch (type) {
- case GL_BYTE:
- case GL_UNSIGNED_BYTE:
- case GL_SHORT:
- case GL_UNSIGNED_SHORT:
- case GL_INT:
- case GL_UNSIGNED_INT:
- case GL_FLOAT:
- case GL_UNSIGNED_SHORT_4_4_4_4:
- case GL_UNSIGNED_SHORT_4_4_4_4_REV:
- case GL_UNSIGNED_SHORT_5_5_5_1:
- case GL_UNSIGNED_SHORT_1_5_5_5_REV:
- case GL_UNSIGNED_INT_8_8_8_8:
- case GL_UNSIGNED_INT_8_8_8_8_REV:
- case GL_UNSIGNED_INT_10_10_10_2:
- case GL_UNSIGNED_INT_2_10_10_10_REV:
- return GL_TRUE;
- case GL_HALF_FLOAT_ARB:
- return ctx->Extensions.ARB_half_float_pixel;
- default:
- return GL_FALSE;
- }
- case GL_YCBCR_MESA:
- if (type == GL_UNSIGNED_SHORT_8_8_MESA ||
- type == GL_UNSIGNED_SHORT_8_8_REV_MESA)
- return GL_TRUE;
- else
- return GL_FALSE;
- case GL_DEPTH_STENCIL_EXT:
- if (ctx->Extensions.EXT_packed_depth_stencil
- && type == GL_UNSIGNED_INT_24_8_EXT)
- return GL_TRUE;
- else
- return GL_FALSE;
- case GL_DUDV_ATI:
- case GL_DU8DV8_ATI:
- switch (type) {
- case GL_BYTE:
- case GL_UNSIGNED_BYTE:
- case GL_SHORT:
- case GL_UNSIGNED_SHORT:
- case GL_INT:
- case GL_UNSIGNED_INT:
- case GL_FLOAT:
- return GL_TRUE;
- default:
- return GL_FALSE;
- }
-
- /* integer-valued formats */
- case GL_RED_INTEGER_EXT:
- case GL_GREEN_INTEGER_EXT:
- case GL_BLUE_INTEGER_EXT:
- case GL_ALPHA_INTEGER_EXT:
- switch (type) {
- case GL_BYTE:
- case GL_UNSIGNED_BYTE:
- case GL_SHORT:
- case GL_UNSIGNED_SHORT:
- case GL_INT:
- case GL_UNSIGNED_INT:
- return ctx->Extensions.EXT_texture_integer;
- default:
- return GL_FALSE;
- }
-
- case GL_RGB_INTEGER_EXT:
- switch (type) {
- case GL_BYTE:
- case GL_UNSIGNED_BYTE:
- case GL_SHORT:
- case GL_UNSIGNED_SHORT:
- case GL_INT:
- case GL_UNSIGNED_INT:
- case GL_UNSIGNED_BYTE_3_3_2:
- case GL_UNSIGNED_BYTE_2_3_3_REV:
- case GL_UNSIGNED_SHORT_5_6_5:
- case GL_UNSIGNED_SHORT_5_6_5_REV:
- return ctx->Extensions.EXT_texture_integer;
- default:
- return GL_FALSE;
- }
-
- case GL_BGR_INTEGER_EXT:
- switch (type) {
- case GL_BYTE:
- case GL_UNSIGNED_BYTE:
- case GL_SHORT:
- case GL_UNSIGNED_SHORT:
- case GL_INT:
- case GL_UNSIGNED_INT:
- /* NOTE: no packed formats w/ BGR format */
- return ctx->Extensions.EXT_texture_integer;
- default:
- return GL_FALSE;
- }
-
- case GL_RGBA_INTEGER_EXT:
- case GL_BGRA_INTEGER_EXT:
- switch (type) {
- case GL_BYTE:
- case GL_UNSIGNED_BYTE:
- case GL_SHORT:
- case GL_UNSIGNED_SHORT:
- case GL_INT:
- case GL_UNSIGNED_INT:
- case GL_UNSIGNED_SHORT_4_4_4_4:
- case GL_UNSIGNED_SHORT_4_4_4_4_REV:
- case GL_UNSIGNED_SHORT_5_5_5_1:
- case GL_UNSIGNED_SHORT_1_5_5_5_REV:
- case GL_UNSIGNED_INT_8_8_8_8:
- case GL_UNSIGNED_INT_8_8_8_8_REV:
- case GL_UNSIGNED_INT_10_10_10_2:
- case GL_UNSIGNED_INT_2_10_10_10_REV:
- return ctx->Extensions.EXT_texture_integer;
- default:
- return GL_FALSE;
- }
-
- case GL_LUMINANCE_INTEGER_EXT:
- case GL_LUMINANCE_ALPHA_INTEGER_EXT:
- switch (type) {
- case GL_BYTE:
- case GL_UNSIGNED_BYTE:
- case GL_SHORT:
- case GL_UNSIGNED_SHORT:
- case GL_INT:
- case GL_UNSIGNED_INT:
- return ctx->Extensions.EXT_texture_integer;
- default:
- return GL_FALSE;
- }
-
- default:
- ; /* fall-through */
- }
- return GL_FALSE;
-}
-
-
-/**
- * Test if the given image format is a color/RGBA format (i.e., not color
- * index, depth, stencil, etc).
- * \param format the image format value (may by an internal texture format)
- * \return GL_TRUE if its a color/RGBA format, GL_FALSE otherwise.
- */
-GLboolean
-_mesa_is_color_format(GLenum format)
-{
- switch (format) {
- case GL_RED:
- case GL_GREEN:
- case GL_BLUE:
- case GL_ALPHA:
- case GL_ALPHA4:
- case GL_ALPHA8:
- case GL_ALPHA12:
- case GL_ALPHA16:
- case 1:
- case GL_LUMINANCE:
- case GL_LUMINANCE4:
- case GL_LUMINANCE8:
- case GL_LUMINANCE12:
- case GL_LUMINANCE16:
- case 2:
- case GL_LUMINANCE_ALPHA:
- case GL_LUMINANCE4_ALPHA4:
- case GL_LUMINANCE6_ALPHA2:
- case GL_LUMINANCE8_ALPHA8:
- case GL_LUMINANCE12_ALPHA4:
- case GL_LUMINANCE12_ALPHA12:
- case GL_LUMINANCE16_ALPHA16:
- case GL_INTENSITY:
- case GL_INTENSITY4:
- case GL_INTENSITY8:
- case GL_INTENSITY12:
- case GL_INTENSITY16:
- case GL_R8:
- case GL_R16:
- case GL_RG:
- case GL_RG8:
- case GL_RG16:
- case 3:
- case GL_RGB:
- case GL_BGR:
- case GL_R3_G3_B2:
- case GL_RGB4:
- case GL_RGB5:
- case GL_RGB8:
- case GL_RGB10:
- case GL_RGB12:
- case GL_RGB16:
- case 4:
- case GL_ABGR_EXT:
- case GL_RGBA:
- case GL_BGRA:
- case GL_RGBA2:
- case GL_RGBA4:
- case GL_RGB5_A1:
- case GL_RGBA8:
- case GL_RGB10_A2:
- case GL_RGBA12:
- case GL_RGBA16:
- /* float texture formats */
- case GL_ALPHA16F_ARB:
- case GL_ALPHA32F_ARB:
- case GL_LUMINANCE16F_ARB:
- case GL_LUMINANCE32F_ARB:
- case GL_LUMINANCE_ALPHA16F_ARB:
- case GL_LUMINANCE_ALPHA32F_ARB:
- case GL_INTENSITY16F_ARB:
- case GL_INTENSITY32F_ARB:
- case GL_R16F:
- case GL_R32F:
- case GL_RG16F:
- case GL_RG32F:
- case GL_RGB16F_ARB:
- case GL_RGB32F_ARB:
- case GL_RGBA16F_ARB:
- case GL_RGBA32F_ARB:
- /* compressed formats */
- case GL_COMPRESSED_ALPHA:
- case GL_COMPRESSED_LUMINANCE:
- case GL_COMPRESSED_LUMINANCE_ALPHA:
- case GL_COMPRESSED_INTENSITY:
- case GL_COMPRESSED_RED:
- case GL_COMPRESSED_RG:
- case GL_COMPRESSED_RGB:
- case GL_COMPRESSED_RGBA:
- case GL_RGB_S3TC:
- case GL_RGB4_S3TC:
- case GL_RGBA_S3TC:
- case GL_RGBA4_S3TC:
- case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
- case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
- case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
- case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
- case GL_COMPRESSED_RGB_FXT1_3DFX:
- case GL_COMPRESSED_RGBA_FXT1_3DFX:
-#if FEATURE_EXT_texture_sRGB
- case GL_SRGB_EXT:
- case GL_SRGB8_EXT:
- case GL_SRGB_ALPHA_EXT:
- case GL_SRGB8_ALPHA8_EXT:
- case GL_SLUMINANCE_ALPHA_EXT:
- case GL_SLUMINANCE8_ALPHA8_EXT:
- case GL_SLUMINANCE_EXT:
- case GL_SLUMINANCE8_EXT:
- case GL_COMPRESSED_SRGB_EXT:
- case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
- case GL_COMPRESSED_SRGB_ALPHA_EXT:
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
- case GL_COMPRESSED_SLUMINANCE_EXT:
- case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT:
-#endif /* FEATURE_EXT_texture_sRGB */
- case GL_COMPRESSED_RED_RGTC1:
- case GL_COMPRESSED_SIGNED_RED_RGTC1:
- case GL_COMPRESSED_RG_RGTC2:
- case GL_COMPRESSED_SIGNED_RG_RGTC2:
- case GL_COMPRESSED_LUMINANCE_LATC1_EXT:
- case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT:
- case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT:
- case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT:
- case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI:
- /* signed, normalized texture formats */
- case GL_RGBA_SNORM:
- case GL_RGBA8_SNORM:
- /* generic integer formats */
- case GL_RED_INTEGER_EXT:
- case GL_GREEN_INTEGER_EXT:
- case GL_BLUE_INTEGER_EXT:
- case GL_ALPHA_INTEGER_EXT:
- case GL_RGB_INTEGER_EXT:
- case GL_RGBA_INTEGER_EXT:
- case GL_BGR_INTEGER_EXT:
- case GL_BGRA_INTEGER_EXT:
- case GL_LUMINANCE_INTEGER_EXT:
- case GL_LUMINANCE_ALPHA_INTEGER_EXT:
- /* sized integer formats */
- case GL_RGBA32UI_EXT:
- case GL_RGB32UI_EXT:
- case GL_ALPHA32UI_EXT:
- case GL_INTENSITY32UI_EXT:
- case GL_LUMINANCE32UI_EXT:
- case GL_LUMINANCE_ALPHA32UI_EXT:
- case GL_RGBA16UI_EXT:
- case GL_RGB16UI_EXT:
- case GL_ALPHA16UI_EXT:
- case GL_INTENSITY16UI_EXT:
- case GL_LUMINANCE16UI_EXT:
- case GL_LUMINANCE_ALPHA16UI_EXT:
- case GL_RGBA8UI_EXT:
- case GL_RGB8UI_EXT:
- case GL_ALPHA8UI_EXT:
- case GL_INTENSITY8UI_EXT:
- case GL_LUMINANCE8UI_EXT:
- case GL_LUMINANCE_ALPHA8UI_EXT:
- case GL_RGBA32I_EXT:
- case GL_RGB32I_EXT:
- case GL_ALPHA32I_EXT:
- case GL_INTENSITY32I_EXT:
- case GL_LUMINANCE32I_EXT:
- case GL_LUMINANCE_ALPHA32I_EXT:
- case GL_RGBA16I_EXT:
- case GL_RGB16I_EXT:
- case GL_ALPHA16I_EXT:
- case GL_INTENSITY16I_EXT:
- case GL_LUMINANCE16I_EXT:
- case GL_LUMINANCE_ALPHA16I_EXT:
- case GL_RGBA8I_EXT:
- case GL_RGB8I_EXT:
- case GL_ALPHA8I_EXT:
- case GL_INTENSITY8I_EXT:
- case GL_LUMINANCE8I_EXT:
- case GL_LUMINANCE_ALPHA8I_EXT:
- return GL_TRUE;
- case GL_YCBCR_MESA: /* not considered to be RGB */
- /* fall-through */
- default:
- return GL_FALSE;
- }
-}
-
-
-/**
- * Test if the given image format is a color index format.
- */
-GLboolean
-_mesa_is_index_format(GLenum format)
-{
- switch (format) {
- case GL_COLOR_INDEX:
- case GL_COLOR_INDEX1_EXT:
- case GL_COLOR_INDEX2_EXT:
- case GL_COLOR_INDEX4_EXT:
- case GL_COLOR_INDEX8_EXT:
- case GL_COLOR_INDEX12_EXT:
- case GL_COLOR_INDEX16_EXT:
- return GL_TRUE;
- default:
- return GL_FALSE;
- }
-}
-
-
-/**
- * Test if the given image format is a depth component format.
- */
-GLboolean
-_mesa_is_depth_format(GLenum format)
-{
- switch (format) {
- case GL_DEPTH_COMPONENT:
- case GL_DEPTH_COMPONENT16:
- case GL_DEPTH_COMPONENT24:
- case GL_DEPTH_COMPONENT32:
- return GL_TRUE;
- default:
- return GL_FALSE;
- }
-}
-
-
-/**
- * Test if the given image format is a stencil format.
- */
-GLboolean
-_mesa_is_stencil_format(GLenum format)
-{
- switch (format) {
- case GL_STENCIL_INDEX:
- case GL_DEPTH_STENCIL:
- return GL_TRUE;
- default:
- return GL_FALSE;
- }
-}
-
-
-/**
- * Test if the given image format is a YCbCr format.
- */
-GLboolean
-_mesa_is_ycbcr_format(GLenum format)
-{
- switch (format) {
- case GL_YCBCR_MESA:
- return GL_TRUE;
- default:
- return GL_FALSE;
- }
-}
-
-
-/**
- * Test if the given image format is a depth+stencil format.
- */
-GLboolean
-_mesa_is_depthstencil_format(GLenum format)
-{
- switch (format) {
- case GL_DEPTH24_STENCIL8_EXT:
- case GL_DEPTH_STENCIL_EXT:
- return GL_TRUE;
- default:
- return GL_FALSE;
- }
-}
-
-
-/**
- * Test if the given image format is a depth or stencil format.
- */
-GLboolean
-_mesa_is_depth_or_stencil_format(GLenum format)
-{
- switch (format) {
- case GL_DEPTH_COMPONENT:
- case GL_DEPTH_COMPONENT16:
- case GL_DEPTH_COMPONENT24:
- case GL_DEPTH_COMPONENT32:
- case GL_STENCIL_INDEX:
- case GL_STENCIL_INDEX1_EXT:
- case GL_STENCIL_INDEX4_EXT:
- case GL_STENCIL_INDEX8_EXT:
- case GL_STENCIL_INDEX16_EXT:
- case GL_DEPTH_STENCIL_EXT:
- case GL_DEPTH24_STENCIL8_EXT:
- return GL_TRUE;
- default:
- return GL_FALSE;
- }
-}
-
-
-/**
- * Test if the given image format is a dudv format.
- */
-GLboolean
-_mesa_is_dudv_format(GLenum format)
-{
- switch (format) {
- case GL_DUDV_ATI:
- case GL_DU8DV8_ATI:
- return GL_TRUE;
- default:
- return GL_FALSE;
- }
-}
-
-
-/**
- * Test if the given format is an integer (non-normalized) format.
- */
-GLboolean
-_mesa_is_integer_format(GLenum format)
-{
- switch (format) {
- /* generic integer formats */
- case GL_RED_INTEGER_EXT:
- case GL_GREEN_INTEGER_EXT:
- case GL_BLUE_INTEGER_EXT:
- case GL_ALPHA_INTEGER_EXT:
- case GL_RGB_INTEGER_EXT:
- case GL_RGBA_INTEGER_EXT:
- case GL_BGR_INTEGER_EXT:
- case GL_BGRA_INTEGER_EXT:
- case GL_LUMINANCE_INTEGER_EXT:
- case GL_LUMINANCE_ALPHA_INTEGER_EXT:
- /* specific integer formats */
- case GL_RGBA32UI_EXT:
- case GL_RGB32UI_EXT:
- case GL_ALPHA32UI_EXT:
- case GL_INTENSITY32UI_EXT:
- case GL_LUMINANCE32UI_EXT:
- case GL_LUMINANCE_ALPHA32UI_EXT:
- case GL_RGBA16UI_EXT:
- case GL_RGB16UI_EXT:
- case GL_ALPHA16UI_EXT:
- case GL_INTENSITY16UI_EXT:
- case GL_LUMINANCE16UI_EXT:
- case GL_LUMINANCE_ALPHA16UI_EXT:
- case GL_RGBA8UI_EXT:
- case GL_RGB8UI_EXT:
- case GL_ALPHA8UI_EXT:
- case GL_INTENSITY8UI_EXT:
- case GL_LUMINANCE8UI_EXT:
- case GL_LUMINANCE_ALPHA8UI_EXT:
- case GL_RGBA32I_EXT:
- case GL_RGB32I_EXT:
- case GL_ALPHA32I_EXT:
- case GL_INTENSITY32I_EXT:
- case GL_LUMINANCE32I_EXT:
- case GL_LUMINANCE_ALPHA32I_EXT:
- case GL_RGBA16I_EXT:
- case GL_RGB16I_EXT:
- case GL_ALPHA16I_EXT:
- case GL_INTENSITY16I_EXT:
- case GL_LUMINANCE16I_EXT:
- case GL_LUMINANCE_ALPHA16I_EXT:
- case GL_RGBA8I_EXT:
- case GL_RGB8I_EXT:
- case GL_ALPHA8I_EXT:
- case GL_INTENSITY8I_EXT:
- case GL_LUMINANCE8I_EXT:
- case GL_LUMINANCE_ALPHA8I_EXT:
- return GL_TRUE;
- default:
- return GL_FALSE;
- }
-}
-
-
-/**
- * Test if an image format is a supported compressed format.
- * \param format the internal format token provided by the user.
- * \return GL_TRUE if compressed, GL_FALSE if uncompressed
- */
-GLboolean
-_mesa_is_compressed_format(struct gl_context *ctx, GLenum format)
-{
- switch (format) {
- case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
- case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
- case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
- case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
- return ctx->Extensions.EXT_texture_compression_s3tc;
- case GL_RGB_S3TC:
- case GL_RGB4_S3TC:
- case GL_RGBA_S3TC:
- case GL_RGBA4_S3TC:
- return ctx->Extensions.S3_s3tc;
- case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
- return ctx->Extensions.EXT_texture_sRGB
- && ctx->Extensions.EXT_texture_compression_s3tc;
- case GL_COMPRESSED_RGB_FXT1_3DFX:
- case GL_COMPRESSED_RGBA_FXT1_3DFX:
- return ctx->Extensions.TDFX_texture_compression_FXT1;
- case GL_COMPRESSED_RED_RGTC1:
- case GL_COMPRESSED_SIGNED_RED_RGTC1:
- case GL_COMPRESSED_RG_RGTC2:
- case GL_COMPRESSED_SIGNED_RG_RGTC2:
- return ctx->Extensions.ARB_texture_compression_rgtc;
- case GL_COMPRESSED_LUMINANCE_LATC1_EXT:
- case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT:
- case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT:
- case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT:
- return ctx->Extensions.EXT_texture_compression_latc;
- case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI:
- return ctx->Extensions.ATI_texture_compression_3dc;
- default:
- return GL_FALSE;
- }
-}
-
-
-/**
- * Return the address of a specific pixel in an image (1D, 2D or 3D).
- *
- * Pixel unpacking/packing parameters are observed according to \p packing.
- *
- * \param dimensions either 1, 2 or 3 to indicate dimensionality of image
- * \param image starting address of image data
- * \param width the image width
- * \param height theimage height
- * \param format the pixel format
- * \param type the pixel data type
- * \param packing the pixelstore attributes
- * \param img which image in the volume (0 for 1D or 2D images)
- * \param row row of pixel in the image (0 for 1D images)
- * \param column column of pixel in the image
- *
- * \return address of pixel on success, or NULL on error.
- *
- * \sa gl_pixelstore_attrib.
- */
-GLvoid *
-_mesa_image_address( GLuint dimensions,
- const struct gl_pixelstore_attrib *packing,
- const GLvoid *image,
- GLsizei width, GLsizei height,
- GLenum format, GLenum type,
- GLint img, GLint row, GLint column )
-{
- GLint alignment; /* 1, 2 or 4 */
- GLint pixels_per_row;
- GLint rows_per_image;
- GLint skiprows;
- GLint skippixels;
- GLint skipimages; /* for 3-D volume images */
- GLubyte *pixel_addr;
-
- ASSERT(dimensions >= 1 && dimensions <= 3);
-
- alignment = packing->Alignment;
- if (packing->RowLength > 0) {
- pixels_per_row = packing->RowLength;
- }
- else {
- pixels_per_row = width;
- }
- if (packing->ImageHeight > 0) {
- rows_per_image = packing->ImageHeight;
- }
- else {
- rows_per_image = height;
- }
-
- skippixels = packing->SkipPixels;
- /* Note: SKIP_ROWS _is_ used for 1D images */
- skiprows = packing->SkipRows;
- /* Note: SKIP_IMAGES is only used for 3D images */
- skipimages = (dimensions == 3) ? packing->SkipImages : 0;
-
- if (type == GL_BITMAP) {
- /* BITMAP data */
- GLint comp_per_pixel; /* components per pixel */
- GLint bytes_per_comp; /* bytes per component */
- GLint bytes_per_row;
- GLint bytes_per_image;
-
- /* Compute bytes per component */
- bytes_per_comp = _mesa_sizeof_packed_type( type );
- if (bytes_per_comp < 0) {
- return NULL;
- }
-
- /* Compute number of components per pixel */
- comp_per_pixel = _mesa_components_in_format( format );
- if (comp_per_pixel < 0) {
- return NULL;
- }
-
- bytes_per_row = alignment
- * CEILING( comp_per_pixel*pixels_per_row, 8*alignment );
-
- bytes_per_image = bytes_per_row * rows_per_image;
-
- pixel_addr = (GLubyte *) image
- + (skipimages + img) * bytes_per_image
- + (skiprows + row) * bytes_per_row
- + (skippixels + column) / 8;
- }
- else {
- /* Non-BITMAP data */
- GLint bytes_per_pixel, bytes_per_row, remainder, bytes_per_image;
- GLint topOfImage;
-
- bytes_per_pixel = _mesa_bytes_per_pixel( format, type );
-
- /* The pixel type and format should have been error checked earlier */
- assert(bytes_per_pixel > 0);
-
- bytes_per_row = pixels_per_row * bytes_per_pixel;
- remainder = bytes_per_row % alignment;
- if (remainder > 0)
- bytes_per_row += (alignment - remainder);
-
- ASSERT(bytes_per_row % alignment == 0);
-
- bytes_per_image = bytes_per_row * rows_per_image;
-
- if (packing->Invert) {
- /* set pixel_addr to the last row */
- topOfImage = bytes_per_row * (height - 1);
- bytes_per_row = -bytes_per_row;
- }
- else {
- topOfImage = 0;
- }
-
- /* compute final pixel address */
- pixel_addr = (GLubyte *) image
- + (skipimages + img) * bytes_per_image
- + topOfImage
- + (skiprows + row) * bytes_per_row
- + (skippixels + column) * bytes_per_pixel;
- }
-
- return (GLvoid *) pixel_addr;
-}
-
-
-GLvoid *
-_mesa_image_address1d( const struct gl_pixelstore_attrib *packing,
- const GLvoid *image,
- GLsizei width,
- GLenum format, GLenum type,
- GLint column )
-{
- return _mesa_image_address(1, packing, image, width, 1,
- format, type, 0, 0, column);
-}
-
-
-GLvoid *
-_mesa_image_address2d( const struct gl_pixelstore_attrib *packing,
- const GLvoid *image,
- GLsizei width, GLsizei height,
- GLenum format, GLenum type,
- GLint row, GLint column )
-{
- return _mesa_image_address(2, packing, image, width, height,
- format, type, 0, row, column);
-}
-
-
-GLvoid *
-_mesa_image_address3d( const struct gl_pixelstore_attrib *packing,
- const GLvoid *image,
- GLsizei width, GLsizei height,
- GLenum format, GLenum type,
- GLint img, GLint row, GLint column )
-{
- return _mesa_image_address(3, packing, image, width, height,
- format, type, img, row, column);
-}
-
-
-
-/**
- * Compute the stride (in bytes) between image rows.
- *
- * \param packing the pixelstore attributes
- * \param width image width.
- * \param format pixel format.
- * \param type pixel data type.
- *
- * \return the stride in bytes for the given parameters, or -1 if error
- */
-GLint
-_mesa_image_row_stride( const struct gl_pixelstore_attrib *packing,
- GLint width, GLenum format, GLenum type )
-{
- GLint bytesPerRow, remainder;
-
- ASSERT(packing);
-
- if (type == GL_BITMAP) {
- if (packing->RowLength == 0) {
- bytesPerRow = (width + 7) / 8;
- }
- else {
- bytesPerRow = (packing->RowLength + 7) / 8;
- }
- }
- else {
- /* Non-BITMAP data */
- const GLint bytesPerPixel = _mesa_bytes_per_pixel(format, type);
- if (bytesPerPixel <= 0)
- return -1; /* error */
- if (packing->RowLength == 0) {
- bytesPerRow = bytesPerPixel * width;
- }
- else {
- bytesPerRow = bytesPerPixel * packing->RowLength;
- }
- }
-
- remainder = bytesPerRow % packing->Alignment;
- if (remainder > 0) {
- bytesPerRow += (packing->Alignment - remainder);
- }
-
- if (packing->Invert) {
- /* negate the bytes per row (negative row stride) */
- bytesPerRow = -bytesPerRow;
- }
-
- return bytesPerRow;
-}
-
-
-/*
- * Compute the stride between images in a 3D texture (in bytes) for the given
- * pixel packing parameters and image width, format and type.
- */
-GLint
-_mesa_image_image_stride( const struct gl_pixelstore_attrib *packing,
- GLint width, GLint height,
- GLenum format, GLenum type )
-{
- GLint bytesPerRow, bytesPerImage, remainder;
-
- ASSERT(packing);
-
- if (type == GL_BITMAP) {
- if (packing->RowLength == 0) {
- bytesPerRow = (width + 7) / 8;
- }
- else {
- bytesPerRow = (packing->RowLength + 7) / 8;
- }
- }
- else {
- const GLint bytesPerPixel = _mesa_bytes_per_pixel(format, type);
-
- if (bytesPerPixel <= 0)
- return -1; /* error */
- if (packing->RowLength == 0) {
- bytesPerRow = bytesPerPixel * width;
- }
- else {
- bytesPerRow = bytesPerPixel * packing->RowLength;
- }
- }
-
- remainder = bytesPerRow % packing->Alignment;
- if (remainder > 0)
- bytesPerRow += (packing->Alignment - remainder);
-
- if (packing->ImageHeight == 0)
- bytesPerImage = bytesPerRow * height;
- else
- bytesPerImage = bytesPerRow * packing->ImageHeight;
-
- return bytesPerImage;
-}
-
-
-
-/**
- * "Expand" a bitmap from 1-bit per pixel to 8-bits per pixel.
- * This is typically used to convert a bitmap into a GLubyte/pixel texture.
- * "On" bits will set texels to \p onValue.
- * "Off" bits will not modify texels.
- * \param width src bitmap width in pixels
- * \param height src bitmap height in pixels
- * \param unpack bitmap unpacking state
- * \param bitmap the src bitmap data
- * \param destBuffer start of dest buffer
- * \param destStride row stride in dest buffer
- * \param onValue if bit is 1, set destBuffer pixel to this value
- */
-void
-_mesa_expand_bitmap(GLsizei width, GLsizei height,
- const struct gl_pixelstore_attrib *unpack,
- const GLubyte *bitmap,
- GLubyte *destBuffer, GLint destStride,
- GLubyte onValue)
-{
- const GLubyte *srcRow = (const GLubyte *)
- _mesa_image_address2d(unpack, bitmap, width, height,
- GL_COLOR_INDEX, GL_BITMAP, 0, 0);
- const GLint srcStride = _mesa_image_row_stride(unpack, width,
- GL_COLOR_INDEX, GL_BITMAP);
- GLint row, col;
-
-#define SET_PIXEL(COL, ROW) \
- destBuffer[(ROW) * destStride + (COL)] = onValue;
-
- for (row = 0; row < height; row++) {
- const GLubyte *src = srcRow;
-
- if (unpack->LsbFirst) {
- /* Lsb first */
- GLubyte mask = 1U << (unpack->SkipPixels & 0x7);
- for (col = 0; col < width; col++) {
-
- if (*src & mask) {
- SET_PIXEL(col, row);
- }
-
- if (mask == 128U) {
- src++;
- mask = 1U;
- }
- else {
- mask = mask << 1;
- }
- }
-
- /* get ready for next row */
- if (mask != 1)
- src++;
- }
- else {
- /* Msb first */
- GLubyte mask = 128U >> (unpack->SkipPixels & 0x7);
- for (col = 0; col < width; col++) {
-
- if (*src & mask) {
- SET_PIXEL(col, row);
- }
-
- if (mask == 1U) {
- src++;
- mask = 128U;
- }
- else {
- mask = mask >> 1;
- }
- }
-
- /* get ready for next row */
- if (mask != 128)
- src++;
- }
-
- srcRow += srcStride;
- } /* row */
-
-#undef SET_PIXEL
-}
-
-
-
-
-/**
- * Convert an array of RGBA colors from one datatype to another.
- * NOTE: src may equal dst. In that case, we use a temporary buffer.
- */
-void
-_mesa_convert_colors(GLenum srcType, const GLvoid *src,
- GLenum dstType, GLvoid *dst,
- GLuint count, const GLubyte mask[])
-{
- GLuint tempBuffer[MAX_WIDTH][4];
- const GLboolean useTemp = (src == dst);
-
- ASSERT(srcType != dstType);
-
- switch (srcType) {
- case GL_UNSIGNED_BYTE:
- if (dstType == GL_UNSIGNED_SHORT) {
- const GLubyte (*src1)[4] = (const GLubyte (*)[4]) src;
- GLushort (*dst2)[4] = (GLushort (*)[4]) (useTemp ? tempBuffer : dst);
- GLuint i;
- for (i = 0; i < count; i++) {
- if (!mask || mask[i]) {
- dst2[i][RCOMP] = UBYTE_TO_USHORT(src1[i][RCOMP]);
- dst2[i][GCOMP] = UBYTE_TO_USHORT(src1[i][GCOMP]);
- dst2[i][BCOMP] = UBYTE_TO_USHORT(src1[i][BCOMP]);
- dst2[i][ACOMP] = UBYTE_TO_USHORT(src1[i][ACOMP]);
- }
- }
- if (useTemp)
- memcpy(dst, tempBuffer, count * 4 * sizeof(GLushort));
- }
- else {
- const GLubyte (*src1)[4] = (const GLubyte (*)[4]) src;
- GLfloat (*dst4)[4] = (GLfloat (*)[4]) (useTemp ? tempBuffer : dst);
- GLuint i;
- ASSERT(dstType == GL_FLOAT);
- for (i = 0; i < count; i++) {
- if (!mask || mask[i]) {
- dst4[i][RCOMP] = UBYTE_TO_FLOAT(src1[i][RCOMP]);
- dst4[i][GCOMP] = UBYTE_TO_FLOAT(src1[i][GCOMP]);
- dst4[i][BCOMP] = UBYTE_TO_FLOAT(src1[i][BCOMP]);
- dst4[i][ACOMP] = UBYTE_TO_FLOAT(src1[i][ACOMP]);
- }
- }
- if (useTemp)
- memcpy(dst, tempBuffer, count * 4 * sizeof(GLfloat));
- }
- break;
- case GL_UNSIGNED_SHORT:
- if (dstType == GL_UNSIGNED_BYTE) {
- const GLushort (*src2)[4] = (const GLushort (*)[4]) src;
- GLubyte (*dst1)[4] = (GLubyte (*)[4]) (useTemp ? tempBuffer : dst);
- GLuint i;
- for (i = 0; i < count; i++) {
- if (!mask || mask[i]) {
- dst1[i][RCOMP] = USHORT_TO_UBYTE(src2[i][RCOMP]);
- dst1[i][GCOMP] = USHORT_TO_UBYTE(src2[i][GCOMP]);
- dst1[i][BCOMP] = USHORT_TO_UBYTE(src2[i][BCOMP]);
- dst1[i][ACOMP] = USHORT_TO_UBYTE(src2[i][ACOMP]);
- }
- }
- if (useTemp)
- memcpy(dst, tempBuffer, count * 4 * sizeof(GLubyte));
- }
- else {
- const GLushort (*src2)[4] = (const GLushort (*)[4]) src;
- GLfloat (*dst4)[4] = (GLfloat (*)[4]) (useTemp ? tempBuffer : dst);
- GLuint i;
- ASSERT(dstType == GL_FLOAT);
- for (i = 0; i < count; i++) {
- if (!mask || mask[i]) {
- dst4[i][RCOMP] = USHORT_TO_FLOAT(src2[i][RCOMP]);
- dst4[i][GCOMP] = USHORT_TO_FLOAT(src2[i][GCOMP]);
- dst4[i][BCOMP] = USHORT_TO_FLOAT(src2[i][BCOMP]);
- dst4[i][ACOMP] = USHORT_TO_FLOAT(src2[i][ACOMP]);
- }
- }
- if (useTemp)
- memcpy(dst, tempBuffer, count * 4 * sizeof(GLfloat));
- }
- break;
- case GL_FLOAT:
- if (dstType == GL_UNSIGNED_BYTE) {
- const GLfloat (*src4)[4] = (const GLfloat (*)[4]) src;
- GLubyte (*dst1)[4] = (GLubyte (*)[4]) (useTemp ? tempBuffer : dst);
- GLuint i;
- for (i = 0; i < count; i++) {
- if (!mask || mask[i]) {
- UNCLAMPED_FLOAT_TO_UBYTE(dst1[i][RCOMP], src4[i][RCOMP]);
- UNCLAMPED_FLOAT_TO_UBYTE(dst1[i][GCOMP], src4[i][GCOMP]);
- UNCLAMPED_FLOAT_TO_UBYTE(dst1[i][BCOMP], src4[i][BCOMP]);
- UNCLAMPED_FLOAT_TO_UBYTE(dst1[i][ACOMP], src4[i][ACOMP]);
- }
- }
- if (useTemp)
- memcpy(dst, tempBuffer, count * 4 * sizeof(GLubyte));
- }
- else {
- const GLfloat (*src4)[4] = (const GLfloat (*)[4]) src;
- GLushort (*dst2)[4] = (GLushort (*)[4]) (useTemp ? tempBuffer : dst);
- GLuint i;
- ASSERT(dstType == GL_UNSIGNED_SHORT);
- for (i = 0; i < count; i++) {
- if (!mask || mask[i]) {
- UNCLAMPED_FLOAT_TO_USHORT(dst2[i][RCOMP], src4[i][RCOMP]);
- UNCLAMPED_FLOAT_TO_USHORT(dst2[i][GCOMP], src4[i][GCOMP]);
- UNCLAMPED_FLOAT_TO_USHORT(dst2[i][BCOMP], src4[i][BCOMP]);
- UNCLAMPED_FLOAT_TO_USHORT(dst2[i][ACOMP], src4[i][ACOMP]);
- }
- }
- if (useTemp)
- memcpy(dst, tempBuffer, count * 4 * sizeof(GLushort));
- }
- break;
- default:
- _mesa_problem(NULL, "Invalid datatype in _mesa_convert_colors");
- }
-}
-
-
-
-
-/**
- * Perform basic clipping for glDrawPixels. The image's position and size
- * and the unpack SkipPixels and SkipRows are adjusted so that the image
- * region is entirely within the window and scissor bounds.
- * NOTE: this will only work when glPixelZoom is (1, 1) or (1, -1).
- * If Pixel.ZoomY is -1, *destY will be changed to be the first row which
- * we'll actually write. Beforehand, *destY-1 is the first drawing row.
- *
- * \return GL_TRUE if image is ready for drawing or
- * GL_FALSE if image was completely clipped away (draw nothing)
- */
-GLboolean
-_mesa_clip_drawpixels(const struct gl_context *ctx,
- GLint *destX, GLint *destY,
- GLsizei *width, GLsizei *height,
- struct gl_pixelstore_attrib *unpack)
-{
- const struct gl_framebuffer *buffer = ctx->DrawBuffer;
-
- if (unpack->RowLength == 0) {
- unpack->RowLength = *width;
- }
-
- ASSERT(ctx->Pixel.ZoomX == 1.0F);
- ASSERT(ctx->Pixel.ZoomY == 1.0F || ctx->Pixel.ZoomY == -1.0F);
-
- /* left clipping */
- if (*destX < buffer->_Xmin) {
- unpack->SkipPixels += (buffer->_Xmin - *destX);
- *width -= (buffer->_Xmin - *destX);
- *destX = buffer->_Xmin;
- }
- /* right clipping */
- if (*destX + *width > buffer->_Xmax)
- *width -= (*destX + *width - buffer->_Xmax);
-
- if (*width <= 0)
- return GL_FALSE;
-
- if (ctx->Pixel.ZoomY == 1.0F) {
- /* bottom clipping */
- if (*destY < buffer->_Ymin) {
- unpack->SkipRows += (buffer->_Ymin - *destY);
- *height -= (buffer->_Ymin - *destY);
- *destY = buffer->_Ymin;
- }
- /* top clipping */
- if (*destY + *height > buffer->_Ymax)
- *height -= (*destY + *height - buffer->_Ymax);
- }
- else { /* upside down */
- /* top clipping */
- if (*destY > buffer->_Ymax) {
- unpack->SkipRows += (*destY - buffer->_Ymax);
- *height -= (*destY - buffer->_Ymax);
- *destY = buffer->_Ymax;
- }
- /* bottom clipping */
- if (*destY - *height < buffer->_Ymin)
- *height -= (buffer->_Ymin - (*destY - *height));
- /* adjust destY so it's the first row to write to */
- (*destY)--;
- }
-
- if (*height <= 0)
- return GL_FALSE;
-
- return GL_TRUE;
-}
-
-
-/**
- * Perform clipping for glReadPixels. The image's window position
- * and size, and the pack skipPixels, skipRows and rowLength are adjusted
- * so that the image region is entirely within the window bounds.
- * Note: this is different from _mesa_clip_drawpixels() in that the
- * scissor box is ignored, and we use the bounds of the current readbuffer
- * surface.
- *
- * \return GL_TRUE if region to read is in bounds
- * GL_FALSE if region is completely out of bounds (nothing to read)
- */
-GLboolean
-_mesa_clip_readpixels(const struct gl_context *ctx,
- GLint *srcX, GLint *srcY,
- GLsizei *width, GLsizei *height,
- struct gl_pixelstore_attrib *pack)
-{
- const struct gl_framebuffer *buffer = ctx->ReadBuffer;
-
- if (pack->RowLength == 0) {
- pack->RowLength = *width;
- }
-
- /* left clipping */
- if (*srcX < 0) {
- pack->SkipPixels += (0 - *srcX);
- *width -= (0 - *srcX);
- *srcX = 0;
- }
- /* right clipping */
- if (*srcX + *width > (GLsizei) buffer->Width)
- *width -= (*srcX + *width - buffer->Width);
-
- if (*width <= 0)
- return GL_FALSE;
-
- /* bottom clipping */
- if (*srcY < 0) {
- pack->SkipRows += (0 - *srcY);
- *height -= (0 - *srcY);
- *srcY = 0;
- }
- /* top clipping */
- if (*srcY + *height > (GLsizei) buffer->Height)
- *height -= (*srcY + *height - buffer->Height);
-
- if (*height <= 0)
- return GL_FALSE;
-
- return GL_TRUE;
-}
-
-
-/**
- * Do clipping for a glCopyTexSubImage call.
- * The framebuffer source region might extend outside the framebuffer
- * bounds. Clip the source region against the framebuffer bounds and
- * adjust the texture/dest position and size accordingly.
- *
- * \return GL_FALSE if region is totally clipped, GL_TRUE otherwise.
- */
-GLboolean
-_mesa_clip_copytexsubimage(const struct gl_context *ctx,
- GLint *destX, GLint *destY,
- GLint *srcX, GLint *srcY,
- GLsizei *width, GLsizei *height)
-{
- const struct gl_framebuffer *fb = ctx->ReadBuffer;
- const GLint srcX0 = *srcX, srcY0 = *srcY;
-
- if (_mesa_clip_to_region(0, 0, fb->Width, fb->Height,
- srcX, srcY, width, height)) {
- *destX = *destX + *srcX - srcX0;
- *destY = *destY + *srcY - srcY0;
-
- return GL_TRUE;
- }
- else {
- return GL_FALSE;
- }
-}
-
-
-
-/**
- * Clip the rectangle defined by (x, y, width, height) against the bounds
- * specified by [xmin, xmax) and [ymin, ymax).
- * \return GL_FALSE if rect is totally clipped, GL_TRUE otherwise.
- */
-GLboolean
-_mesa_clip_to_region(GLint xmin, GLint ymin,
- GLint xmax, GLint ymax,
- GLint *x, GLint *y,
- GLsizei *width, GLsizei *height )
-{
- /* left clipping */
- if (*x < xmin) {
- *width -= (xmin - *x);
- *x = xmin;
- }
-
- /* right clipping */
- if (*x + *width > xmax)
- *width -= (*x + *width - xmax);
-
- if (*width <= 0)
- return GL_FALSE;
-
- /* bottom (or top) clipping */
- if (*y < ymin) {
- *height -= (ymin - *y);
- *y = ymin;
- }
-
- /* top (or bottom) clipping */
- if (*y + *height > ymax)
- *height -= (*y + *height - ymax);
-
- if (*height <= 0)
- return GL_FALSE;
-
- return GL_TRUE;
-}
-
-
-/**
- * Clip dst coords against Xmax (or Ymax).
- */
-static INLINE void
-clip_right_or_top(GLint *srcX0, GLint *srcX1,
- GLint *dstX0, GLint *dstX1,
- GLint maxValue)
-{
- GLfloat t, bias;
-
- if (*dstX1 > maxValue) {
- /* X1 outside right edge */
- ASSERT(*dstX0 < maxValue); /* X0 should be inside right edge */
- t = (GLfloat) (maxValue - *dstX0) / (GLfloat) (*dstX1 - *dstX0);
- /* chop off [t, 1] part */
- ASSERT(t >= 0.0 && t <= 1.0);
- *dstX1 = maxValue;
- bias = (*srcX0 < *srcX1) ? 0.5F : -0.5F;
- *srcX1 = *srcX0 + (GLint) (t * (*srcX1 - *srcX0) + bias);
- }
- else if (*dstX0 > maxValue) {
- /* X0 outside right edge */
- ASSERT(*dstX1 < maxValue); /* X1 should be inside right edge */
- t = (GLfloat) (maxValue - *dstX1) / (GLfloat) (*dstX0 - *dstX1);
- /* chop off [t, 1] part */
- ASSERT(t >= 0.0 && t <= 1.0);
- *dstX0 = maxValue;
- bias = (*srcX0 < *srcX1) ? -0.5F : 0.5F;
- *srcX0 = *srcX1 + (GLint) (t * (*srcX0 - *srcX1) + bias);
- }
-}
-
-
-/**
- * Clip dst coords against Xmin (or Ymin).
- */
-static INLINE void
-clip_left_or_bottom(GLint *srcX0, GLint *srcX1,
- GLint *dstX0, GLint *dstX1,
- GLint minValue)
-{
- GLfloat t, bias;
-
- if (*dstX0 < minValue) {
- /* X0 outside left edge */
- ASSERT(*dstX1 > minValue); /* X1 should be inside left edge */
- t = (GLfloat) (minValue - *dstX0) / (GLfloat) (*dstX1 - *dstX0);
- /* chop off [0, t] part */
- ASSERT(t >= 0.0 && t <= 1.0);
- *dstX0 = minValue;
- bias = (*srcX0 < *srcX1) ? 0.5F : -0.5F; /* flipped??? */
- *srcX0 = *srcX0 + (GLint) (t * (*srcX1 - *srcX0) + bias);
- }
- else if (*dstX1 < minValue) {
- /* X1 outside left edge */
- ASSERT(*dstX0 > minValue); /* X0 should be inside left edge */
- t = (GLfloat) (minValue - *dstX1) / (GLfloat) (*dstX0 - *dstX1);
- /* chop off [0, t] part */
- ASSERT(t >= 0.0 && t <= 1.0);
- *dstX1 = minValue;
- bias = (*srcX0 < *srcX1) ? 0.5F : -0.5F;
- *srcX1 = *srcX1 + (GLint) (t * (*srcX0 - *srcX1) + bias);
- }
-}
-
-
-/**
- * Do clipping of blit src/dest rectangles.
- * The dest rect is clipped against both the buffer bounds and scissor bounds.
- * The src rect is just clipped against the buffer bounds.
- *
- * When either the src or dest rect is clipped, the other is also clipped
- * proportionately!
- *
- * Note that X0 need not be less than X1 (same for Y) for either the source
- * and dest rects. That makes the clipping a little trickier.
- *
- * \return GL_TRUE if anything is left to draw, GL_FALSE if totally clipped
- */
-GLboolean
-_mesa_clip_blit(struct gl_context *ctx,
- GLint *srcX0, GLint *srcY0, GLint *srcX1, GLint *srcY1,
- GLint *dstX0, GLint *dstY0, GLint *dstX1, GLint *dstY1)
-{
- const GLint srcXmin = 0;
- const GLint srcXmax = ctx->ReadBuffer->Width;
- const GLint srcYmin = 0;
- const GLint srcYmax = ctx->ReadBuffer->Height;
-
- /* these include scissor bounds */
- const GLint dstXmin = ctx->DrawBuffer->_Xmin;
- const GLint dstXmax = ctx->DrawBuffer->_Xmax;
- const GLint dstYmin = ctx->DrawBuffer->_Ymin;
- const GLint dstYmax = ctx->DrawBuffer->_Ymax;
-
- /*
- printf("PreClipX: src: %d .. %d dst: %d .. %d\n",
- *srcX0, *srcX1, *dstX0, *dstX1);
- printf("PreClipY: src: %d .. %d dst: %d .. %d\n",
- *srcY0, *srcY1, *dstY0, *dstY1);
- */
-
- /* trivial rejection tests */
- if (*dstX0 == *dstX1)
- return GL_FALSE; /* no width */
- if (*dstX0 <= dstXmin && *dstX1 <= dstXmin)
- return GL_FALSE; /* totally out (left) of bounds */
- if (*dstX0 >= dstXmax && *dstX1 >= dstXmax)
- return GL_FALSE; /* totally out (right) of bounds */
-
- if (*dstY0 == *dstY1)
- return GL_FALSE;
- if (*dstY0 <= dstYmin && *dstY1 <= dstYmin)
- return GL_FALSE;
- if (*dstY0 >= dstYmax && *dstY1 >= dstYmax)
- return GL_FALSE;
-
- if (*srcX0 == *srcX1)
- return GL_FALSE;
- if (*srcX0 <= srcXmin && *srcX1 <= srcXmin)
- return GL_FALSE;
- if (*srcX0 >= srcXmax && *srcX1 >= srcXmax)
- return GL_FALSE;
-
- if (*srcY0 == *srcY1)
- return GL_FALSE;
- if (*srcY0 <= srcYmin && *srcY1 <= srcYmin)
- return GL_FALSE;
- if (*srcY0 >= srcYmax && *srcY1 >= srcYmax)
- return GL_FALSE;
-
- /*
- * dest clip
- */
- clip_right_or_top(srcX0, srcX1, dstX0, dstX1, dstXmax);
- clip_right_or_top(srcY0, srcY1, dstY0, dstY1, dstYmax);
- clip_left_or_bottom(srcX0, srcX1, dstX0, dstX1, dstXmin);
- clip_left_or_bottom(srcY0, srcY1, dstY0, dstY1, dstYmin);
-
- /*
- * src clip (just swap src/dst values from above)
- */
- clip_right_or_top(dstX0, dstX1, srcX0, srcX1, srcXmax);
- clip_right_or_top(dstY0, dstY1, srcY0, srcY1, srcYmax);
- clip_left_or_bottom(dstX0, dstX1, srcX0, srcX1, srcXmin);
- clip_left_or_bottom(dstY0, dstY1, srcY0, srcY1, srcYmin);
-
- /*
- printf("PostClipX: src: %d .. %d dst: %d .. %d\n",
- *srcX0, *srcX1, *dstX0, *dstX1);
- printf("PostClipY: src: %d .. %d dst: %d .. %d\n",
- *srcY0, *srcY1, *dstY0, *dstY1);
- */
-
- ASSERT(*dstX0 >= dstXmin);
- ASSERT(*dstX0 <= dstXmax);
- ASSERT(*dstX1 >= dstXmin);
- ASSERT(*dstX1 <= dstXmax);
-
- ASSERT(*dstY0 >= dstYmin);
- ASSERT(*dstY0 <= dstYmax);
- ASSERT(*dstY1 >= dstYmin);
- ASSERT(*dstY1 <= dstYmax);
-
- ASSERT(*srcX0 >= srcXmin);
- ASSERT(*srcX0 <= srcXmax);
- ASSERT(*srcX1 >= srcXmin);
- ASSERT(*srcX1 <= srcXmax);
-
- ASSERT(*srcY0 >= srcYmin);
- ASSERT(*srcY0 <= srcYmax);
- ASSERT(*srcY1 >= srcYmin);
- ASSERT(*srcY1 <= srcYmax);
-
- return GL_TRUE;
-}
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.5
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/**
+ * \file image.c
+ * Image handling.
+ */
+
+
+#include "glheader.h"
+#include "colormac.h"
+#include "image.h"
+#include "imports.h"
+#include "macros.h"
+#include "mfeatures.h"
+#include "mtypes.h"
+
+
+/**
+ * NOTE:
+ * Normally, BYTE_TO_FLOAT(0) returns 0.00392 That causes problems when
+ * we later convert the float to a packed integer value (such as for
+ * GL_RGB5_A1) because we'll wind up with a non-zero value.
+ *
+ * We redefine the macros here so zero is handled correctly.
+ */
+#undef BYTE_TO_FLOAT
+#define BYTE_TO_FLOAT(B) ((B) == 0 ? 0.0F : ((2.0F * (B) + 1.0F) * (1.0F/255.0F)))
+
+#undef SHORT_TO_FLOAT
+#define SHORT_TO_FLOAT(S) ((S) == 0 ? 0.0F : ((2.0F * (S) + 1.0F) * (1.0F/65535.0F)))
+
+
+
+/** Compute ceiling of integer quotient of A divided by B. */
+#define CEILING( A, B ) ( (A) % (B) == 0 ? (A)/(B) : (A)/(B)+1 )
+
+
+/**
+ * \return GL_TRUE if type is packed pixel type, GL_FALSE otherwise.
+ */
+GLboolean
+_mesa_type_is_packed(GLenum type)
+{
+ switch (type) {
+ case GL_UNSIGNED_BYTE_3_3_2:
+ case GL_UNSIGNED_BYTE_2_3_3_REV:
+ case MESA_UNSIGNED_BYTE_4_4:
+ case GL_UNSIGNED_SHORT_5_6_5:
+ case GL_UNSIGNED_SHORT_5_6_5_REV:
+ case GL_UNSIGNED_SHORT_4_4_4_4:
+ case GL_UNSIGNED_SHORT_4_4_4_4_REV:
+ case GL_UNSIGNED_SHORT_5_5_5_1:
+ case GL_UNSIGNED_SHORT_1_5_5_5_REV:
+ case GL_UNSIGNED_INT_8_8_8_8:
+ case GL_UNSIGNED_INT_8_8_8_8_REV:
+ case GL_UNSIGNED_INT_10_10_10_2:
+ case GL_UNSIGNED_INT_2_10_10_10_REV:
+ case GL_UNSIGNED_SHORT_8_8_MESA:
+ case GL_UNSIGNED_SHORT_8_8_REV_MESA:
+ case GL_UNSIGNED_INT_24_8_EXT:
+ return GL_TRUE;
+ }
+
+ return GL_FALSE;
+}
+
+
+
+/**
+ * Flip the order of the 2 bytes in each word in the given array.
+ *
+ * \param p array.
+ * \param n number of words.
+ */
+void
+_mesa_swap2( GLushort *p, GLuint n )
+{
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ p[i] = (p[i] >> 8) | ((p[i] << 8) & 0xff00);
+ }
+}
+
+
+
+/*
+ * Flip the order of the 4 bytes in each word in the given array.
+ */
+void
+_mesa_swap4( GLuint *p, GLuint n )
+{
+ GLuint i, a, b;
+ for (i = 0; i < n; i++) {
+ b = p[i];
+ a = (b >> 24)
+ | ((b >> 8) & 0xff00)
+ | ((b << 8) & 0xff0000)
+ | ((b << 24) & 0xff000000);
+ p[i] = a;
+ }
+}
+
+
+/**
+ * Get the size of a GL data type.
+ *
+ * \param type GL data type.
+ *
+ * \return the size, in bytes, of the given data type, 0 if a GL_BITMAP, or -1
+ * if an invalid type enum.
+ */
+GLint
+_mesa_sizeof_type( GLenum type )
+{
+ switch (type) {
+ case GL_BITMAP:
+ return 0;
+ case GL_UNSIGNED_BYTE:
+ return sizeof(GLubyte);
+ case GL_BYTE:
+ return sizeof(GLbyte);
+ case GL_UNSIGNED_SHORT:
+ return sizeof(GLushort);
+ case GL_SHORT:
+ return sizeof(GLshort);
+ case GL_UNSIGNED_INT:
+ return sizeof(GLuint);
+ case GL_INT:
+ return sizeof(GLint);
+ case GL_FLOAT:
+ return sizeof(GLfloat);
+ case GL_DOUBLE:
+ return sizeof(GLdouble);
+ case GL_HALF_FLOAT_ARB:
+ return sizeof(GLhalfARB);
+ case GL_FIXED:
+ return sizeof(GLfixed);
+ default:
+ return -1;
+ }
+}
+
+
+/**
+ * Same as _mesa_sizeof_type() but also accepting the packed pixel
+ * format data types.
+ */
+GLint
+_mesa_sizeof_packed_type( GLenum type )
+{
+ switch (type) {
+ case GL_BITMAP:
+ return 0;
+ case GL_UNSIGNED_BYTE:
+ return sizeof(GLubyte);
+ case GL_BYTE:
+ return sizeof(GLbyte);
+ case GL_UNSIGNED_SHORT:
+ return sizeof(GLushort);
+ case GL_SHORT:
+ return sizeof(GLshort);
+ case GL_UNSIGNED_INT:
+ return sizeof(GLuint);
+ case GL_INT:
+ return sizeof(GLint);
+ case GL_HALF_FLOAT_ARB:
+ return sizeof(GLhalfARB);
+ case GL_FLOAT:
+ return sizeof(GLfloat);
+ case GL_UNSIGNED_BYTE_3_3_2:
+ return sizeof(GLubyte);
+ case GL_UNSIGNED_BYTE_2_3_3_REV:
+ return sizeof(GLubyte);
+ case MESA_UNSIGNED_BYTE_4_4:
+ return sizeof(GLubyte);
+ case GL_UNSIGNED_SHORT_5_6_5:
+ return sizeof(GLushort);
+ case GL_UNSIGNED_SHORT_5_6_5_REV:
+ return sizeof(GLushort);
+ case GL_UNSIGNED_SHORT_4_4_4_4:
+ return sizeof(GLushort);
+ case GL_UNSIGNED_SHORT_4_4_4_4_REV:
+ return sizeof(GLushort);
+ case GL_UNSIGNED_SHORT_5_5_5_1:
+ return sizeof(GLushort);
+ case GL_UNSIGNED_SHORT_1_5_5_5_REV:
+ return sizeof(GLushort);
+ case GL_UNSIGNED_INT_8_8_8_8:
+ return sizeof(GLuint);
+ case GL_UNSIGNED_INT_8_8_8_8_REV:
+ return sizeof(GLuint);
+ case GL_UNSIGNED_INT_10_10_10_2:
+ return sizeof(GLuint);
+ case GL_UNSIGNED_INT_2_10_10_10_REV:
+ return sizeof(GLuint);
+ case GL_UNSIGNED_SHORT_8_8_MESA:
+ case GL_UNSIGNED_SHORT_8_8_REV_MESA:
+ return sizeof(GLushort);
+ case GL_UNSIGNED_INT_24_8_EXT:
+ return sizeof(GLuint);
+ default:
+ return -1;
+ }
+}
+
+
+/**
+ * Get the number of components in a pixel format.
+ *
+ * \param format pixel format.
+ *
+ * \return the number of components in the given format, or -1 if a bad format.
+ */
+GLint
+_mesa_components_in_format( GLenum format )
+{
+ switch (format) {
+ case GL_COLOR_INDEX:
+ case GL_COLOR_INDEX1_EXT:
+ case GL_COLOR_INDEX2_EXT:
+ case GL_COLOR_INDEX4_EXT:
+ case GL_COLOR_INDEX8_EXT:
+ case GL_COLOR_INDEX12_EXT:
+ case GL_COLOR_INDEX16_EXT:
+ case GL_STENCIL_INDEX:
+ case GL_DEPTH_COMPONENT:
+ case GL_RED:
+ case GL_RED_INTEGER_EXT:
+ case GL_GREEN:
+ case GL_GREEN_INTEGER_EXT:
+ case GL_BLUE:
+ case GL_BLUE_INTEGER_EXT:
+ case GL_ALPHA:
+ case GL_ALPHA_INTEGER_EXT:
+ case GL_LUMINANCE:
+ case GL_LUMINANCE_INTEGER_EXT:
+ case GL_INTENSITY:
+ return 1;
+ case GL_LUMINANCE_ALPHA:
+ case GL_LUMINANCE_ALPHA_INTEGER_EXT:
+ case GL_RG:
+ return 2;
+ case GL_RGB:
+ case GL_RGB_INTEGER_EXT:
+ return 3;
+ case GL_RGBA:
+ case GL_RGBA_INTEGER_EXT:
+ return 4;
+ case GL_BGR:
+ return 3;
+ case GL_BGRA:
+ return 4;
+ case GL_ABGR_EXT:
+ return 4;
+ case GL_YCBCR_MESA:
+ return 2;
+ case GL_DEPTH_STENCIL_EXT:
+ return 2;
+ case GL_DUDV_ATI:
+ case GL_DU8DV8_ATI:
+ return 2;
+ default:
+ return -1;
+ }
+}
+
+
+/**
+ * Get the bytes per pixel of pixel format type pair.
+ *
+ * \param format pixel format.
+ * \param type pixel type.
+ *
+ * \return bytes per pixel, or -1 if a bad format or type was given.
+ */
+GLint
+_mesa_bytes_per_pixel( GLenum format, GLenum type )
+{
+ GLint comps = _mesa_components_in_format( format );
+ if (comps < 0)
+ return -1;
+
+ switch (type) {
+ case GL_BITMAP:
+ return 0; /* special case */
+ case GL_BYTE:
+ case GL_UNSIGNED_BYTE:
+ return comps * sizeof(GLubyte);
+ case GL_SHORT:
+ case GL_UNSIGNED_SHORT:
+ return comps * sizeof(GLshort);
+ case GL_INT:
+ case GL_UNSIGNED_INT:
+ return comps * sizeof(GLint);
+ case GL_FLOAT:
+ return comps * sizeof(GLfloat);
+ case GL_HALF_FLOAT_ARB:
+ return comps * sizeof(GLhalfARB);
+ case GL_UNSIGNED_BYTE_3_3_2:
+ case GL_UNSIGNED_BYTE_2_3_3_REV:
+ if (format == GL_RGB || format == GL_BGR ||
+ format == GL_RGB_INTEGER_EXT || format == GL_BGR_INTEGER_EXT)
+ return sizeof(GLubyte);
+ else
+ return -1; /* error */
+ case GL_UNSIGNED_SHORT_5_6_5:
+ case GL_UNSIGNED_SHORT_5_6_5_REV:
+ if (format == GL_RGB || format == GL_BGR ||
+ format == GL_RGB_INTEGER_EXT || format == GL_BGR_INTEGER_EXT)
+ return sizeof(GLushort);
+ else
+ return -1; /* error */
+ case GL_UNSIGNED_SHORT_4_4_4_4:
+ case GL_UNSIGNED_SHORT_4_4_4_4_REV:
+ case GL_UNSIGNED_SHORT_5_5_5_1:
+ case GL_UNSIGNED_SHORT_1_5_5_5_REV:
+ if (format == GL_RGBA || format == GL_BGRA || format == GL_ABGR_EXT ||
+ format == GL_RGBA_INTEGER_EXT || format == GL_BGRA_INTEGER_EXT)
+ return sizeof(GLushort);
+ else
+ return -1;
+ case GL_UNSIGNED_INT_8_8_8_8:
+ case GL_UNSIGNED_INT_8_8_8_8_REV:
+ case GL_UNSIGNED_INT_10_10_10_2:
+ case GL_UNSIGNED_INT_2_10_10_10_REV:
+ if (format == GL_RGBA || format == GL_BGRA || format == GL_ABGR_EXT ||
+ format == GL_RGBA_INTEGER_EXT || format == GL_BGRA_INTEGER_EXT)
+ return sizeof(GLuint);
+ else
+ return -1;
+ case GL_UNSIGNED_SHORT_8_8_MESA:
+ case GL_UNSIGNED_SHORT_8_8_REV_MESA:
+ if (format == GL_YCBCR_MESA)
+ return sizeof(GLushort);
+ else
+ return -1;
+ case GL_UNSIGNED_INT_24_8_EXT:
+ if (format == GL_DEPTH_STENCIL_EXT)
+ return sizeof(GLuint);
+ else
+ return -1;
+ default:
+ return -1;
+ }
+}
+
+
+/**
+ * Test for a legal pixel format and type.
+ *
+ * \param format pixel format.
+ * \param type pixel type.
+ *
+ * \return GL_TRUE if the given pixel format and type are legal, or GL_FALSE
+ * otherwise.
+ */
+GLboolean
+_mesa_is_legal_format_and_type(const struct gl_context *ctx,
+ GLenum format, GLenum type)
+{
+ switch (format) {
+ case GL_COLOR_INDEX:
+ case GL_STENCIL_INDEX:
+ switch (type) {
+ case GL_BITMAP:
+ case GL_BYTE:
+ case GL_UNSIGNED_BYTE:
+ case GL_SHORT:
+ case GL_UNSIGNED_SHORT:
+ case GL_INT:
+ case GL_UNSIGNED_INT:
+ case GL_FLOAT:
+ return GL_TRUE;
+ case GL_HALF_FLOAT_ARB:
+ return ctx->Extensions.ARB_half_float_pixel;
+ default:
+ return GL_FALSE;
+ }
+ case GL_RED:
+ case GL_GREEN:
+ case GL_BLUE:
+ case GL_ALPHA:
+#if 0 /* not legal! see table 3.6 of the 1.5 spec */
+ case GL_INTENSITY:
+#endif
+ case GL_LUMINANCE:
+ case GL_LUMINANCE_ALPHA:
+ case GL_DEPTH_COMPONENT:
+ switch (type) {
+ case GL_BYTE:
+ case GL_UNSIGNED_BYTE:
+ case GL_SHORT:
+ case GL_UNSIGNED_SHORT:
+ case GL_INT:
+ case GL_UNSIGNED_INT:
+ case GL_FLOAT:
+ return GL_TRUE;
+ case GL_HALF_FLOAT_ARB:
+ return ctx->Extensions.ARB_half_float_pixel;
+ default:
+ return GL_FALSE;
+ }
+ case GL_RG:
+ if (!ctx->Extensions.ARB_texture_rg)
+ return GL_FALSE;
+
+ switch (type) {
+ case GL_BYTE:
+ case GL_UNSIGNED_BYTE:
+ case GL_SHORT:
+ case GL_UNSIGNED_SHORT:
+ case GL_INT:
+ case GL_UNSIGNED_INT:
+ case GL_FLOAT:
+ return GL_TRUE;
+ case GL_HALF_FLOAT_ARB:
+ return ctx->Extensions.ARB_half_float_pixel;
+ default:
+ return GL_FALSE;
+ }
+ case GL_RGB:
+ switch (type) {
+ case GL_BYTE:
+ case GL_UNSIGNED_BYTE:
+ case GL_SHORT:
+ case GL_UNSIGNED_SHORT:
+ case GL_INT:
+ case GL_UNSIGNED_INT:
+ case GL_FLOAT:
+ case GL_UNSIGNED_BYTE_3_3_2:
+ case GL_UNSIGNED_BYTE_2_3_3_REV:
+ case GL_UNSIGNED_SHORT_5_6_5:
+ case GL_UNSIGNED_SHORT_5_6_5_REV:
+ return GL_TRUE;
+ case GL_HALF_FLOAT_ARB:
+ return ctx->Extensions.ARB_half_float_pixel;
+ default:
+ return GL_FALSE;
+ }
+ case GL_BGR:
+ switch (type) {
+ /* NOTE: no packed types are supported with BGR. That's
+ * intentional, according to the GL spec.
+ */
+ case GL_BYTE:
+ case GL_UNSIGNED_BYTE:
+ case GL_SHORT:
+ case GL_UNSIGNED_SHORT:
+ case GL_INT:
+ case GL_UNSIGNED_INT:
+ case GL_FLOAT:
+ return GL_TRUE;
+ case GL_HALF_FLOAT_ARB:
+ return ctx->Extensions.ARB_half_float_pixel;
+ default:
+ return GL_FALSE;
+ }
+ case GL_RGBA:
+ case GL_BGRA:
+ case GL_ABGR_EXT:
+ switch (type) {
+ case GL_BYTE:
+ case GL_UNSIGNED_BYTE:
+ case GL_SHORT:
+ case GL_UNSIGNED_SHORT:
+ case GL_INT:
+ case GL_UNSIGNED_INT:
+ case GL_FLOAT:
+ case GL_UNSIGNED_SHORT_4_4_4_4:
+ case GL_UNSIGNED_SHORT_4_4_4_4_REV:
+ case GL_UNSIGNED_SHORT_5_5_5_1:
+ case GL_UNSIGNED_SHORT_1_5_5_5_REV:
+ case GL_UNSIGNED_INT_8_8_8_8:
+ case GL_UNSIGNED_INT_8_8_8_8_REV:
+ case GL_UNSIGNED_INT_10_10_10_2:
+ case GL_UNSIGNED_INT_2_10_10_10_REV:
+ return GL_TRUE;
+ case GL_HALF_FLOAT_ARB:
+ return ctx->Extensions.ARB_half_float_pixel;
+ default:
+ return GL_FALSE;
+ }
+ case GL_YCBCR_MESA:
+ if (type == GL_UNSIGNED_SHORT_8_8_MESA ||
+ type == GL_UNSIGNED_SHORT_8_8_REV_MESA)
+ return GL_TRUE;
+ else
+ return GL_FALSE;
+ case GL_DEPTH_STENCIL_EXT:
+ if (ctx->Extensions.EXT_packed_depth_stencil
+ && type == GL_UNSIGNED_INT_24_8_EXT)
+ return GL_TRUE;
+ else
+ return GL_FALSE;
+ case GL_DUDV_ATI:
+ case GL_DU8DV8_ATI:
+ switch (type) {
+ case GL_BYTE:
+ case GL_UNSIGNED_BYTE:
+ case GL_SHORT:
+ case GL_UNSIGNED_SHORT:
+ case GL_INT:
+ case GL_UNSIGNED_INT:
+ case GL_FLOAT:
+ return GL_TRUE;
+ default:
+ return GL_FALSE;
+ }
+
+ /* integer-valued formats */
+ case GL_RED_INTEGER_EXT:
+ case GL_GREEN_INTEGER_EXT:
+ case GL_BLUE_INTEGER_EXT:
+ case GL_ALPHA_INTEGER_EXT:
+ switch (type) {
+ case GL_BYTE:
+ case GL_UNSIGNED_BYTE:
+ case GL_SHORT:
+ case GL_UNSIGNED_SHORT:
+ case GL_INT:
+ case GL_UNSIGNED_INT:
+ return ctx->Extensions.EXT_texture_integer;
+ default:
+ return GL_FALSE;
+ }
+
+ case GL_RGB_INTEGER_EXT:
+ switch (type) {
+ case GL_BYTE:
+ case GL_UNSIGNED_BYTE:
+ case GL_SHORT:
+ case GL_UNSIGNED_SHORT:
+ case GL_INT:
+ case GL_UNSIGNED_INT:
+ case GL_UNSIGNED_BYTE_3_3_2:
+ case GL_UNSIGNED_BYTE_2_3_3_REV:
+ case GL_UNSIGNED_SHORT_5_6_5:
+ case GL_UNSIGNED_SHORT_5_6_5_REV:
+ return ctx->Extensions.EXT_texture_integer;
+ default:
+ return GL_FALSE;
+ }
+
+ case GL_BGR_INTEGER_EXT:
+ switch (type) {
+ case GL_BYTE:
+ case GL_UNSIGNED_BYTE:
+ case GL_SHORT:
+ case GL_UNSIGNED_SHORT:
+ case GL_INT:
+ case GL_UNSIGNED_INT:
+ /* NOTE: no packed formats w/ BGR format */
+ return ctx->Extensions.EXT_texture_integer;
+ default:
+ return GL_FALSE;
+ }
+
+ case GL_RGBA_INTEGER_EXT:
+ case GL_BGRA_INTEGER_EXT:
+ switch (type) {
+ case GL_BYTE:
+ case GL_UNSIGNED_BYTE:
+ case GL_SHORT:
+ case GL_UNSIGNED_SHORT:
+ case GL_INT:
+ case GL_UNSIGNED_INT:
+ case GL_UNSIGNED_SHORT_4_4_4_4:
+ case GL_UNSIGNED_SHORT_4_4_4_4_REV:
+ case GL_UNSIGNED_SHORT_5_5_5_1:
+ case GL_UNSIGNED_SHORT_1_5_5_5_REV:
+ case GL_UNSIGNED_INT_8_8_8_8:
+ case GL_UNSIGNED_INT_8_8_8_8_REV:
+ case GL_UNSIGNED_INT_10_10_10_2:
+ case GL_UNSIGNED_INT_2_10_10_10_REV:
+ return ctx->Extensions.EXT_texture_integer;
+ default:
+ return GL_FALSE;
+ }
+
+ case GL_LUMINANCE_INTEGER_EXT:
+ case GL_LUMINANCE_ALPHA_INTEGER_EXT:
+ switch (type) {
+ case GL_BYTE:
+ case GL_UNSIGNED_BYTE:
+ case GL_SHORT:
+ case GL_UNSIGNED_SHORT:
+ case GL_INT:
+ case GL_UNSIGNED_INT:
+ return ctx->Extensions.EXT_texture_integer;
+ default:
+ return GL_FALSE;
+ }
+
+ default:
+ ; /* fall-through */
+ }
+ return GL_FALSE;
+}
+
+
+/**
+ * Test if the given image format is a color/RGBA format (i.e., not color
+ * index, depth, stencil, etc).
+ * \param format the image format value (may by an internal texture format)
+ * \return GL_TRUE if its a color/RGBA format, GL_FALSE otherwise.
+ */
+GLboolean
+_mesa_is_color_format(GLenum format)
+{
+ switch (format) {
+ case GL_RED:
+ case GL_GREEN:
+ case GL_BLUE:
+ case GL_ALPHA:
+ case GL_ALPHA4:
+ case GL_ALPHA8:
+ case GL_ALPHA12:
+ case GL_ALPHA16:
+ case 1:
+ case GL_LUMINANCE:
+ case GL_LUMINANCE4:
+ case GL_LUMINANCE8:
+ case GL_LUMINANCE12:
+ case GL_LUMINANCE16:
+ case 2:
+ case GL_LUMINANCE_ALPHA:
+ case GL_LUMINANCE4_ALPHA4:
+ case GL_LUMINANCE6_ALPHA2:
+ case GL_LUMINANCE8_ALPHA8:
+ case GL_LUMINANCE12_ALPHA4:
+ case GL_LUMINANCE12_ALPHA12:
+ case GL_LUMINANCE16_ALPHA16:
+ case GL_INTENSITY:
+ case GL_INTENSITY4:
+ case GL_INTENSITY8:
+ case GL_INTENSITY12:
+ case GL_INTENSITY16:
+ case GL_R8:
+ case GL_R16:
+ case GL_RG:
+ case GL_RG8:
+ case GL_RG16:
+ case 3:
+ case GL_RGB:
+ case GL_BGR:
+ case GL_R3_G3_B2:
+ case GL_RGB4:
+ case GL_RGB5:
+ case GL_RGB8:
+ case GL_RGB10:
+ case GL_RGB12:
+ case GL_RGB16:
+ case 4:
+ case GL_ABGR_EXT:
+ case GL_RGBA:
+ case GL_BGRA:
+ case GL_RGBA2:
+ case GL_RGBA4:
+ case GL_RGB5_A1:
+ case GL_RGBA8:
+ case GL_RGB10_A2:
+ case GL_RGBA12:
+ case GL_RGBA16:
+ /* float texture formats */
+ case GL_ALPHA16F_ARB:
+ case GL_ALPHA32F_ARB:
+ case GL_LUMINANCE16F_ARB:
+ case GL_LUMINANCE32F_ARB:
+ case GL_LUMINANCE_ALPHA16F_ARB:
+ case GL_LUMINANCE_ALPHA32F_ARB:
+ case GL_INTENSITY16F_ARB:
+ case GL_INTENSITY32F_ARB:
+ case GL_R16F:
+ case GL_R32F:
+ case GL_RG16F:
+ case GL_RG32F:
+ case GL_RGB16F_ARB:
+ case GL_RGB32F_ARB:
+ case GL_RGBA16F_ARB:
+ case GL_RGBA32F_ARB:
+ /* compressed formats */
+ case GL_COMPRESSED_ALPHA:
+ case GL_COMPRESSED_LUMINANCE:
+ case GL_COMPRESSED_LUMINANCE_ALPHA:
+ case GL_COMPRESSED_INTENSITY:
+ case GL_COMPRESSED_RED:
+ case GL_COMPRESSED_RG:
+ case GL_COMPRESSED_RGB:
+ case GL_COMPRESSED_RGBA:
+ case GL_RGB_S3TC:
+ case GL_RGB4_S3TC:
+ case GL_RGBA_S3TC:
+ case GL_RGBA4_S3TC:
+ case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
+ case GL_COMPRESSED_RGB_FXT1_3DFX:
+ case GL_COMPRESSED_RGBA_FXT1_3DFX:
+#if FEATURE_EXT_texture_sRGB
+ case GL_SRGB_EXT:
+ case GL_SRGB8_EXT:
+ case GL_SRGB_ALPHA_EXT:
+ case GL_SRGB8_ALPHA8_EXT:
+ case GL_SLUMINANCE_ALPHA_EXT:
+ case GL_SLUMINANCE8_ALPHA8_EXT:
+ case GL_SLUMINANCE_EXT:
+ case GL_SLUMINANCE8_EXT:
+ case GL_COMPRESSED_SRGB_EXT:
+ case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
+ case GL_COMPRESSED_SLUMINANCE_EXT:
+ case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT:
+#endif /* FEATURE_EXT_texture_sRGB */
+ case GL_COMPRESSED_RED_RGTC1:
+ case GL_COMPRESSED_SIGNED_RED_RGTC1:
+ case GL_COMPRESSED_RG_RGTC2:
+ case GL_COMPRESSED_SIGNED_RG_RGTC2:
+ case GL_COMPRESSED_LUMINANCE_LATC1_EXT:
+ case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT:
+ case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT:
+ case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT:
+ case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI:
+ /* signed, normalized texture formats */
+ case GL_RGBA_SNORM:
+ case GL_RGBA8_SNORM:
+ /* generic integer formats */
+ case GL_RED_INTEGER_EXT:
+ case GL_GREEN_INTEGER_EXT:
+ case GL_BLUE_INTEGER_EXT:
+ case GL_ALPHA_INTEGER_EXT:
+ case GL_RGB_INTEGER_EXT:
+ case GL_RGBA_INTEGER_EXT:
+ case GL_BGR_INTEGER_EXT:
+ case GL_BGRA_INTEGER_EXT:
+ case GL_LUMINANCE_INTEGER_EXT:
+ case GL_LUMINANCE_ALPHA_INTEGER_EXT:
+ /* sized integer formats */
+ case GL_RGBA32UI_EXT:
+ case GL_RGB32UI_EXT:
+ case GL_ALPHA32UI_EXT:
+ case GL_INTENSITY32UI_EXT:
+ case GL_LUMINANCE32UI_EXT:
+ case GL_LUMINANCE_ALPHA32UI_EXT:
+ case GL_RGBA16UI_EXT:
+ case GL_RGB16UI_EXT:
+ case GL_ALPHA16UI_EXT:
+ case GL_INTENSITY16UI_EXT:
+ case GL_LUMINANCE16UI_EXT:
+ case GL_LUMINANCE_ALPHA16UI_EXT:
+ case GL_RGBA8UI_EXT:
+ case GL_RGB8UI_EXT:
+ case GL_ALPHA8UI_EXT:
+ case GL_INTENSITY8UI_EXT:
+ case GL_LUMINANCE8UI_EXT:
+ case GL_LUMINANCE_ALPHA8UI_EXT:
+ case GL_RGBA32I_EXT:
+ case GL_RGB32I_EXT:
+ case GL_ALPHA32I_EXT:
+ case GL_INTENSITY32I_EXT:
+ case GL_LUMINANCE32I_EXT:
+ case GL_LUMINANCE_ALPHA32I_EXT:
+ case GL_RGBA16I_EXT:
+ case GL_RGB16I_EXT:
+ case GL_ALPHA16I_EXT:
+ case GL_INTENSITY16I_EXT:
+ case GL_LUMINANCE16I_EXT:
+ case GL_LUMINANCE_ALPHA16I_EXT:
+ case GL_RGBA8I_EXT:
+ case GL_RGB8I_EXT:
+ case GL_ALPHA8I_EXT:
+ case GL_INTENSITY8I_EXT:
+ case GL_LUMINANCE8I_EXT:
+ case GL_LUMINANCE_ALPHA8I_EXT:
+ return GL_TRUE;
+ case GL_YCBCR_MESA: /* not considered to be RGB */
+ /* fall-through */
+ default:
+ return GL_FALSE;
+ }
+}
+
+
+/**
+ * Test if the given image format is a color index format.
+ */
+GLboolean
+_mesa_is_index_format(GLenum format)
+{
+ switch (format) {
+ case GL_COLOR_INDEX:
+ case GL_COLOR_INDEX1_EXT:
+ case GL_COLOR_INDEX2_EXT:
+ case GL_COLOR_INDEX4_EXT:
+ case GL_COLOR_INDEX8_EXT:
+ case GL_COLOR_INDEX12_EXT:
+ case GL_COLOR_INDEX16_EXT:
+ return GL_TRUE;
+ default:
+ return GL_FALSE;
+ }
+}
+
+
+/**
+ * Test if the given image format is a depth component format.
+ */
+GLboolean
+_mesa_is_depth_format(GLenum format)
+{
+ switch (format) {
+ case GL_DEPTH_COMPONENT:
+ case GL_DEPTH_COMPONENT16:
+ case GL_DEPTH_COMPONENT24:
+ case GL_DEPTH_COMPONENT32:
+ return GL_TRUE;
+ default:
+ return GL_FALSE;
+ }
+}
+
+
+/**
+ * Test if the given image format is a stencil format.
+ */
+GLboolean
+_mesa_is_stencil_format(GLenum format)
+{
+ switch (format) {
+ case GL_STENCIL_INDEX:
+ case GL_DEPTH_STENCIL:
+ return GL_TRUE;
+ default:
+ return GL_FALSE;
+ }
+}
+
+
+/**
+ * Test if the given image format is a YCbCr format.
+ */
+GLboolean
+_mesa_is_ycbcr_format(GLenum format)
+{
+ switch (format) {
+ case GL_YCBCR_MESA:
+ return GL_TRUE;
+ default:
+ return GL_FALSE;
+ }
+}
+
+
+/**
+ * Test if the given image format is a depth+stencil format.
+ */
+GLboolean
+_mesa_is_depthstencil_format(GLenum format)
+{
+ switch (format) {
+ case GL_DEPTH24_STENCIL8_EXT:
+ case GL_DEPTH_STENCIL_EXT:
+ return GL_TRUE;
+ default:
+ return GL_FALSE;
+ }
+}
+
+
+/**
+ * Test if the given image format is a depth or stencil format.
+ */
+GLboolean
+_mesa_is_depth_or_stencil_format(GLenum format)
+{
+ switch (format) {
+ case GL_DEPTH_COMPONENT:
+ case GL_DEPTH_COMPONENT16:
+ case GL_DEPTH_COMPONENT24:
+ case GL_DEPTH_COMPONENT32:
+ case GL_STENCIL_INDEX:
+ case GL_STENCIL_INDEX1_EXT:
+ case GL_STENCIL_INDEX4_EXT:
+ case GL_STENCIL_INDEX8_EXT:
+ case GL_STENCIL_INDEX16_EXT:
+ case GL_DEPTH_STENCIL_EXT:
+ case GL_DEPTH24_STENCIL8_EXT:
+ return GL_TRUE;
+ default:
+ return GL_FALSE;
+ }
+}
+
+
+/**
+ * Test if the given image format is a dudv format.
+ */
+GLboolean
+_mesa_is_dudv_format(GLenum format)
+{
+ switch (format) {
+ case GL_DUDV_ATI:
+ case GL_DU8DV8_ATI:
+ return GL_TRUE;
+ default:
+ return GL_FALSE;
+ }
+}
+
+
+/**
+ * Test if the given format is an integer (non-normalized) format.
+ */
+GLboolean
+_mesa_is_integer_format(GLenum format)
+{
+ switch (format) {
+ /* generic integer formats */
+ case GL_RED_INTEGER_EXT:
+ case GL_GREEN_INTEGER_EXT:
+ case GL_BLUE_INTEGER_EXT:
+ case GL_ALPHA_INTEGER_EXT:
+ case GL_RGB_INTEGER_EXT:
+ case GL_RGBA_INTEGER_EXT:
+ case GL_BGR_INTEGER_EXT:
+ case GL_BGRA_INTEGER_EXT:
+ case GL_LUMINANCE_INTEGER_EXT:
+ case GL_LUMINANCE_ALPHA_INTEGER_EXT:
+ /* specific integer formats */
+ case GL_RGBA32UI_EXT:
+ case GL_RGB32UI_EXT:
+ case GL_ALPHA32UI_EXT:
+ case GL_INTENSITY32UI_EXT:
+ case GL_LUMINANCE32UI_EXT:
+ case GL_LUMINANCE_ALPHA32UI_EXT:
+ case GL_RGBA16UI_EXT:
+ case GL_RGB16UI_EXT:
+ case GL_ALPHA16UI_EXT:
+ case GL_INTENSITY16UI_EXT:
+ case GL_LUMINANCE16UI_EXT:
+ case GL_LUMINANCE_ALPHA16UI_EXT:
+ case GL_RGBA8UI_EXT:
+ case GL_RGB8UI_EXT:
+ case GL_ALPHA8UI_EXT:
+ case GL_INTENSITY8UI_EXT:
+ case GL_LUMINANCE8UI_EXT:
+ case GL_LUMINANCE_ALPHA8UI_EXT:
+ case GL_RGBA32I_EXT:
+ case GL_RGB32I_EXT:
+ case GL_ALPHA32I_EXT:
+ case GL_INTENSITY32I_EXT:
+ case GL_LUMINANCE32I_EXT:
+ case GL_LUMINANCE_ALPHA32I_EXT:
+ case GL_RGBA16I_EXT:
+ case GL_RGB16I_EXT:
+ case GL_ALPHA16I_EXT:
+ case GL_INTENSITY16I_EXT:
+ case GL_LUMINANCE16I_EXT:
+ case GL_LUMINANCE_ALPHA16I_EXT:
+ case GL_RGBA8I_EXT:
+ case GL_RGB8I_EXT:
+ case GL_ALPHA8I_EXT:
+ case GL_INTENSITY8I_EXT:
+ case GL_LUMINANCE8I_EXT:
+ case GL_LUMINANCE_ALPHA8I_EXT:
+ return GL_TRUE;
+ default:
+ return GL_FALSE;
+ }
+}
+
+
+/**
+ * Test if an image format is a supported compressed format.
+ * \param format the internal format token provided by the user.
+ * \return GL_TRUE if compressed, GL_FALSE if uncompressed
+ */
+GLboolean
+_mesa_is_compressed_format(struct gl_context *ctx, GLenum format)
+{
+ switch (format) {
+ case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
+ return ctx->Extensions.EXT_texture_compression_s3tc;
+ case GL_RGB_S3TC:
+ case GL_RGB4_S3TC:
+ case GL_RGBA_S3TC:
+ case GL_RGBA4_S3TC:
+ return ctx->Extensions.S3_s3tc;
+ case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
+ return ctx->Extensions.EXT_texture_sRGB
+ && ctx->Extensions.EXT_texture_compression_s3tc;
+ case GL_COMPRESSED_RGB_FXT1_3DFX:
+ case GL_COMPRESSED_RGBA_FXT1_3DFX:
+ return ctx->Extensions.TDFX_texture_compression_FXT1;
+ case GL_COMPRESSED_RED_RGTC1:
+ case GL_COMPRESSED_SIGNED_RED_RGTC1:
+ case GL_COMPRESSED_RG_RGTC2:
+ case GL_COMPRESSED_SIGNED_RG_RGTC2:
+ return ctx->Extensions.ARB_texture_compression_rgtc;
+ case GL_COMPRESSED_LUMINANCE_LATC1_EXT:
+ case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT:
+ case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT:
+ case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT:
+ return ctx->Extensions.EXT_texture_compression_latc;
+ case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI:
+ return ctx->Extensions.ATI_texture_compression_3dc;
+ default:
+ return GL_FALSE;
+ }
+}
+
+
+/**
+ * Return the address of a specific pixel in an image (1D, 2D or 3D).
+ *
+ * Pixel unpacking/packing parameters are observed according to \p packing.
+ *
+ * \param dimensions either 1, 2 or 3 to indicate dimensionality of image
+ * \param image starting address of image data
+ * \param width the image width
+ * \param height theimage height
+ * \param format the pixel format
+ * \param type the pixel data type
+ * \param packing the pixelstore attributes
+ * \param img which image in the volume (0 for 1D or 2D images)
+ * \param row row of pixel in the image (0 for 1D images)
+ * \param column column of pixel in the image
+ *
+ * \return address of pixel on success, or NULL on error.
+ *
+ * \sa gl_pixelstore_attrib.
+ */
+GLvoid *
+_mesa_image_address( GLuint dimensions,
+ const struct gl_pixelstore_attrib *packing,
+ const GLvoid *image,
+ GLsizei width, GLsizei height,
+ GLenum format, GLenum type,
+ GLint img, GLint row, GLint column )
+{
+ GLint alignment; /* 1, 2 or 4 */
+ GLint pixels_per_row;
+ GLint rows_per_image;
+ GLint skiprows;
+ GLint skippixels;
+ GLint skipimages; /* for 3-D volume images */
+ GLubyte *pixel_addr;
+
+ ASSERT(dimensions >= 1 && dimensions <= 3);
+
+ alignment = packing->Alignment;
+ if (packing->RowLength > 0) {
+ pixels_per_row = packing->RowLength;
+ }
+ else {
+ pixels_per_row = width;
+ }
+ if (packing->ImageHeight > 0) {
+ rows_per_image = packing->ImageHeight;
+ }
+ else {
+ rows_per_image = height;
+ }
+
+ skippixels = packing->SkipPixels;
+ /* Note: SKIP_ROWS _is_ used for 1D images */
+ skiprows = packing->SkipRows;
+ /* Note: SKIP_IMAGES is only used for 3D images */
+ skipimages = (dimensions == 3) ? packing->SkipImages : 0;
+
+ if (type == GL_BITMAP) {
+ /* BITMAP data */
+ GLint comp_per_pixel; /* components per pixel */
+ GLint bytes_per_comp; /* bytes per component */
+ GLint bytes_per_row;
+ GLint bytes_per_image;
+
+ /* Compute bytes per component */
+ bytes_per_comp = _mesa_sizeof_packed_type( type );
+ if (bytes_per_comp < 0) {
+ return NULL;
+ }
+
+ /* Compute number of components per pixel */
+ comp_per_pixel = _mesa_components_in_format( format );
+ if (comp_per_pixel < 0) {
+ return NULL;
+ }
+
+ bytes_per_row = alignment
+ * CEILING( comp_per_pixel*pixels_per_row, 8*alignment );
+
+ bytes_per_image = bytes_per_row * rows_per_image;
+
+ pixel_addr = (GLubyte *) image
+ + (skipimages + img) * bytes_per_image
+ + (skiprows + row) * bytes_per_row
+ + (skippixels + column) / 8;
+ }
+ else {
+ /* Non-BITMAP data */
+ GLint bytes_per_pixel, bytes_per_row, remainder, bytes_per_image;
+ GLint topOfImage;
+
+ bytes_per_pixel = _mesa_bytes_per_pixel( format, type );
+
+ /* The pixel type and format should have been error checked earlier */
+ assert(bytes_per_pixel > 0);
+
+ bytes_per_row = pixels_per_row * bytes_per_pixel;
+ remainder = bytes_per_row % alignment;
+ if (remainder > 0)
+ bytes_per_row += (alignment - remainder);
+
+ ASSERT(bytes_per_row % alignment == 0);
+
+ bytes_per_image = bytes_per_row * rows_per_image;
+
+ if (packing->Invert) {
+ /* set pixel_addr to the last row */
+ topOfImage = bytes_per_row * (height - 1);
+ bytes_per_row = -bytes_per_row;
+ }
+ else {
+ topOfImage = 0;
+ }
+
+ /* compute final pixel address */
+ pixel_addr = (GLubyte *) image
+ + (skipimages + img) * bytes_per_image
+ + topOfImage
+ + (skiprows + row) * bytes_per_row
+ + (skippixels + column) * bytes_per_pixel;
+ }
+
+ return (GLvoid *) pixel_addr;
+}
+
+
+GLvoid *
+_mesa_image_address1d( const struct gl_pixelstore_attrib *packing,
+ const GLvoid *image,
+ GLsizei width,
+ GLenum format, GLenum type,
+ GLint column )
+{
+ return _mesa_image_address(1, packing, image, width, 1,
+ format, type, 0, 0, column);
+}
+
+
+GLvoid *
+_mesa_image_address2d( const struct gl_pixelstore_attrib *packing,
+ const GLvoid *image,
+ GLsizei width, GLsizei height,
+ GLenum format, GLenum type,
+ GLint row, GLint column )
+{
+ return _mesa_image_address(2, packing, image, width, height,
+ format, type, 0, row, column);
+}
+
+
+GLvoid *
+_mesa_image_address3d( const struct gl_pixelstore_attrib *packing,
+ const GLvoid *image,
+ GLsizei width, GLsizei height,
+ GLenum format, GLenum type,
+ GLint img, GLint row, GLint column )
+{
+ return _mesa_image_address(3, packing, image, width, height,
+ format, type, img, row, column);
+}
+
+
+
+/**
+ * Compute the stride (in bytes) between image rows.
+ *
+ * \param packing the pixelstore attributes
+ * \param width image width.
+ * \param format pixel format.
+ * \param type pixel data type.
+ *
+ * \return the stride in bytes for the given parameters, or -1 if error
+ */
+GLint
+_mesa_image_row_stride( const struct gl_pixelstore_attrib *packing,
+ GLint width, GLenum format, GLenum type )
+{
+ GLint bytesPerRow, remainder;
+
+ ASSERT(packing);
+
+ if (type == GL_BITMAP) {
+ if (packing->RowLength == 0) {
+ bytesPerRow = (width + 7) / 8;
+ }
+ else {
+ bytesPerRow = (packing->RowLength + 7) / 8;
+ }
+ }
+ else {
+ /* Non-BITMAP data */
+ const GLint bytesPerPixel = _mesa_bytes_per_pixel(format, type);
+ if (bytesPerPixel <= 0)
+ return -1; /* error */
+ if (packing->RowLength == 0) {
+ bytesPerRow = bytesPerPixel * width;
+ }
+ else {
+ bytesPerRow = bytesPerPixel * packing->RowLength;
+ }
+ }
+
+ remainder = bytesPerRow % packing->Alignment;
+ if (remainder > 0) {
+ bytesPerRow += (packing->Alignment - remainder);
+ }
+
+ if (packing->Invert) {
+ /* negate the bytes per row (negative row stride) */
+ bytesPerRow = -bytesPerRow;
+ }
+
+ return bytesPerRow;
+}
+
+
+/*
+ * Compute the stride between images in a 3D texture (in bytes) for the given
+ * pixel packing parameters and image width, format and type.
+ */
+GLint
+_mesa_image_image_stride( const struct gl_pixelstore_attrib *packing,
+ GLint width, GLint height,
+ GLenum format, GLenum type )
+{
+ GLint bytesPerRow, bytesPerImage, remainder;
+
+ ASSERT(packing);
+
+ if (type == GL_BITMAP) {
+ if (packing->RowLength == 0) {
+ bytesPerRow = (width + 7) / 8;
+ }
+ else {
+ bytesPerRow = (packing->RowLength + 7) / 8;
+ }
+ }
+ else {
+ const GLint bytesPerPixel = _mesa_bytes_per_pixel(format, type);
+
+ if (bytesPerPixel <= 0)
+ return -1; /* error */
+ if (packing->RowLength == 0) {
+ bytesPerRow = bytesPerPixel * width;
+ }
+ else {
+ bytesPerRow = bytesPerPixel * packing->RowLength;
+ }
+ }
+
+ remainder = bytesPerRow % packing->Alignment;
+ if (remainder > 0)
+ bytesPerRow += (packing->Alignment - remainder);
+
+ if (packing->ImageHeight == 0)
+ bytesPerImage = bytesPerRow * height;
+ else
+ bytesPerImage = bytesPerRow * packing->ImageHeight;
+
+ return bytesPerImage;
+}
+
+
+
+/**
+ * "Expand" a bitmap from 1-bit per pixel to 8-bits per pixel.
+ * This is typically used to convert a bitmap into a GLubyte/pixel texture.
+ * "On" bits will set texels to \p onValue.
+ * "Off" bits will not modify texels.
+ * \param width src bitmap width in pixels
+ * \param height src bitmap height in pixels
+ * \param unpack bitmap unpacking state
+ * \param bitmap the src bitmap data
+ * \param destBuffer start of dest buffer
+ * \param destStride row stride in dest buffer
+ * \param onValue if bit is 1, set destBuffer pixel to this value
+ */
+void
+_mesa_expand_bitmap(GLsizei width, GLsizei height,
+ const struct gl_pixelstore_attrib *unpack,
+ const GLubyte *bitmap,
+ GLubyte *destBuffer, GLint destStride,
+ GLubyte onValue)
+{
+ const GLubyte *srcRow = (const GLubyte *)
+ _mesa_image_address2d(unpack, bitmap, width, height,
+ GL_COLOR_INDEX, GL_BITMAP, 0, 0);
+ const GLint srcStride = _mesa_image_row_stride(unpack, width,
+ GL_COLOR_INDEX, GL_BITMAP);
+ GLint row, col;
+
+#define SET_PIXEL(COL, ROW) \
+ destBuffer[(ROW) * destStride + (COL)] = onValue;
+
+ for (row = 0; row < height; row++) {
+ const GLubyte *src = srcRow;
+
+ if (unpack->LsbFirst) {
+ /* Lsb first */
+ GLubyte mask = 1U << (unpack->SkipPixels & 0x7);
+ for (col = 0; col < width; col++) {
+
+ if (*src & mask) {
+ SET_PIXEL(col, row);
+ }
+
+ if (mask == 128U) {
+ src++;
+ mask = 1U;
+ }
+ else {
+ mask = mask << 1;
+ }
+ }
+
+ /* get ready for next row */
+ if (mask != 1)
+ src++;
+ }
+ else {
+ /* Msb first */
+ GLubyte mask = 128U >> (unpack->SkipPixels & 0x7);
+ for (col = 0; col < width; col++) {
+
+ if (*src & mask) {
+ SET_PIXEL(col, row);
+ }
+
+ if (mask == 1U) {
+ src++;
+ mask = 128U;
+ }
+ else {
+ mask = mask >> 1;
+ }
+ }
+
+ /* get ready for next row */
+ if (mask != 128)
+ src++;
+ }
+
+ srcRow += srcStride;
+ } /* row */
+
+#undef SET_PIXEL
+}
+
+
+
+
+/**
+ * Convert an array of RGBA colors from one datatype to another.
+ * NOTE: src may equal dst. In that case, we use a temporary buffer.
+ */
+void
+_mesa_convert_colors(GLenum srcType, const GLvoid *src,
+ GLenum dstType, GLvoid *dst,
+ GLuint count, const GLubyte mask[])
+{
+ GLuint tempBuffer[MAX_WIDTH][4];
+ const GLboolean useTemp = (src == dst);
+
+ ASSERT(srcType != dstType);
+
+ switch (srcType) {
+ case GL_UNSIGNED_BYTE:
+ if (dstType == GL_UNSIGNED_SHORT) {
+ const GLubyte (*src1)[4] = (const GLubyte (*)[4]) src;
+ GLushort (*dst2)[4] = (GLushort (*)[4]) (useTemp ? tempBuffer : dst);
+ GLuint i;
+ for (i = 0; i < count; i++) {
+ if (!mask || mask[i]) {
+ dst2[i][RCOMP] = UBYTE_TO_USHORT(src1[i][RCOMP]);
+ dst2[i][GCOMP] = UBYTE_TO_USHORT(src1[i][GCOMP]);
+ dst2[i][BCOMP] = UBYTE_TO_USHORT(src1[i][BCOMP]);
+ dst2[i][ACOMP] = UBYTE_TO_USHORT(src1[i][ACOMP]);
+ }
+ }
+ if (useTemp)
+ memcpy(dst, tempBuffer, count * 4 * sizeof(GLushort));
+ }
+ else {
+ const GLubyte (*src1)[4] = (const GLubyte (*)[4]) src;
+ GLfloat (*dst4)[4] = (GLfloat (*)[4]) (useTemp ? tempBuffer : dst);
+ GLuint i;
+ ASSERT(dstType == GL_FLOAT);
+ for (i = 0; i < count; i++) {
+ if (!mask || mask[i]) {
+ dst4[i][RCOMP] = UBYTE_TO_FLOAT(src1[i][RCOMP]);
+ dst4[i][GCOMP] = UBYTE_TO_FLOAT(src1[i][GCOMP]);
+ dst4[i][BCOMP] = UBYTE_TO_FLOAT(src1[i][BCOMP]);
+ dst4[i][ACOMP] = UBYTE_TO_FLOAT(src1[i][ACOMP]);
+ }
+ }
+ if (useTemp)
+ memcpy(dst, tempBuffer, count * 4 * sizeof(GLfloat));
+ }
+ break;
+ case GL_UNSIGNED_SHORT:
+ if (dstType == GL_UNSIGNED_BYTE) {
+ const GLushort (*src2)[4] = (const GLushort (*)[4]) src;
+ GLubyte (*dst1)[4] = (GLubyte (*)[4]) (useTemp ? tempBuffer : dst);
+ GLuint i;
+ for (i = 0; i < count; i++) {
+ if (!mask || mask[i]) {
+ dst1[i][RCOMP] = USHORT_TO_UBYTE(src2[i][RCOMP]);
+ dst1[i][GCOMP] = USHORT_TO_UBYTE(src2[i][GCOMP]);
+ dst1[i][BCOMP] = USHORT_TO_UBYTE(src2[i][BCOMP]);
+ dst1[i][ACOMP] = USHORT_TO_UBYTE(src2[i][ACOMP]);
+ }
+ }
+ if (useTemp)
+ memcpy(dst, tempBuffer, count * 4 * sizeof(GLubyte));
+ }
+ else {
+ const GLushort (*src2)[4] = (const GLushort (*)[4]) src;
+ GLfloat (*dst4)[4] = (GLfloat (*)[4]) (useTemp ? tempBuffer : dst);
+ GLuint i;
+ ASSERT(dstType == GL_FLOAT);
+ for (i = 0; i < count; i++) {
+ if (!mask || mask[i]) {
+ dst4[i][RCOMP] = USHORT_TO_FLOAT(src2[i][RCOMP]);
+ dst4[i][GCOMP] = USHORT_TO_FLOAT(src2[i][GCOMP]);
+ dst4[i][BCOMP] = USHORT_TO_FLOAT(src2[i][BCOMP]);
+ dst4[i][ACOMP] = USHORT_TO_FLOAT(src2[i][ACOMP]);
+ }
+ }
+ if (useTemp)
+ memcpy(dst, tempBuffer, count * 4 * sizeof(GLfloat));
+ }
+ break;
+ case GL_FLOAT:
+ if (dstType == GL_UNSIGNED_BYTE) {
+ const GLfloat (*src4)[4] = (const GLfloat (*)[4]) src;
+ GLubyte (*dst1)[4] = (GLubyte (*)[4]) (useTemp ? tempBuffer : dst);
+ GLuint i;
+ for (i = 0; i < count; i++) {
+ if (!mask || mask[i]) {
+ UNCLAMPED_FLOAT_TO_UBYTE(dst1[i][RCOMP], src4[i][RCOMP]);
+ UNCLAMPED_FLOAT_TO_UBYTE(dst1[i][GCOMP], src4[i][GCOMP]);
+ UNCLAMPED_FLOAT_TO_UBYTE(dst1[i][BCOMP], src4[i][BCOMP]);
+ UNCLAMPED_FLOAT_TO_UBYTE(dst1[i][ACOMP], src4[i][ACOMP]);
+ }
+ }
+ if (useTemp)
+ memcpy(dst, tempBuffer, count * 4 * sizeof(GLubyte));
+ }
+ else {
+ const GLfloat (*src4)[4] = (const GLfloat (*)[4]) src;
+ GLushort (*dst2)[4] = (GLushort (*)[4]) (useTemp ? tempBuffer : dst);
+ GLuint i;
+ ASSERT(dstType == GL_UNSIGNED_SHORT);
+ for (i = 0; i < count; i++) {
+ if (!mask || mask[i]) {
+ UNCLAMPED_FLOAT_TO_USHORT(dst2[i][RCOMP], src4[i][RCOMP]);
+ UNCLAMPED_FLOAT_TO_USHORT(dst2[i][GCOMP], src4[i][GCOMP]);
+ UNCLAMPED_FLOAT_TO_USHORT(dst2[i][BCOMP], src4[i][BCOMP]);
+ UNCLAMPED_FLOAT_TO_USHORT(dst2[i][ACOMP], src4[i][ACOMP]);
+ }
+ }
+ if (useTemp)
+ memcpy(dst, tempBuffer, count * 4 * sizeof(GLushort));
+ }
+ break;
+ default:
+ _mesa_problem(NULL, "Invalid datatype in _mesa_convert_colors");
+ }
+}
+
+
+
+
+/**
+ * Perform basic clipping for glDrawPixels. The image's position and size
+ * and the unpack SkipPixels and SkipRows are adjusted so that the image
+ * region is entirely within the window and scissor bounds.
+ * NOTE: this will only work when glPixelZoom is (1, 1) or (1, -1).
+ * If Pixel.ZoomY is -1, *destY will be changed to be the first row which
+ * we'll actually write. Beforehand, *destY-1 is the first drawing row.
+ *
+ * \return GL_TRUE if image is ready for drawing or
+ * GL_FALSE if image was completely clipped away (draw nothing)
+ */
+GLboolean
+_mesa_clip_drawpixels(const struct gl_context *ctx,
+ GLint *destX, GLint *destY,
+ GLsizei *width, GLsizei *height,
+ struct gl_pixelstore_attrib *unpack)
+{
+ const struct gl_framebuffer *buffer = ctx->DrawBuffer;
+
+ if (unpack->RowLength == 0) {
+ unpack->RowLength = *width;
+ }
+
+ ASSERT(ctx->Pixel.ZoomX == 1.0F);
+ ASSERT(ctx->Pixel.ZoomY == 1.0F || ctx->Pixel.ZoomY == -1.0F);
+
+ /* left clipping */
+ if (*destX < buffer->_Xmin) {
+ unpack->SkipPixels += (buffer->_Xmin - *destX);
+ *width -= (buffer->_Xmin - *destX);
+ *destX = buffer->_Xmin;
+ }
+ /* right clipping */
+ if (*destX + *width > buffer->_Xmax)
+ *width -= (*destX + *width - buffer->_Xmax);
+
+ if (*width <= 0)
+ return GL_FALSE;
+
+ if (ctx->Pixel.ZoomY == 1.0F) {
+ /* bottom clipping */
+ if (*destY < buffer->_Ymin) {
+ unpack->SkipRows += (buffer->_Ymin - *destY);
+ *height -= (buffer->_Ymin - *destY);
+ *destY = buffer->_Ymin;
+ }
+ /* top clipping */
+ if (*destY + *height > buffer->_Ymax)
+ *height -= (*destY + *height - buffer->_Ymax);
+ }
+ else { /* upside down */
+ /* top clipping */
+ if (*destY > buffer->_Ymax) {
+ unpack->SkipRows += (*destY - buffer->_Ymax);
+ *height -= (*destY - buffer->_Ymax);
+ *destY = buffer->_Ymax;
+ }
+ /* bottom clipping */
+ if (*destY - *height < buffer->_Ymin)
+ *height -= (buffer->_Ymin - (*destY - *height));
+ /* adjust destY so it's the first row to write to */
+ (*destY)--;
+ }
+
+ if (*height <= 0)
+ return GL_FALSE;
+
+ return GL_TRUE;
+}
+
+
+/**
+ * Perform clipping for glReadPixels. The image's window position
+ * and size, and the pack skipPixels, skipRows and rowLength are adjusted
+ * so that the image region is entirely within the window bounds.
+ * Note: this is different from _mesa_clip_drawpixels() in that the
+ * scissor box is ignored, and we use the bounds of the current readbuffer
+ * surface.
+ *
+ * \return GL_TRUE if region to read is in bounds
+ * GL_FALSE if region is completely out of bounds (nothing to read)
+ */
+GLboolean
+_mesa_clip_readpixels(const struct gl_context *ctx,
+ GLint *srcX, GLint *srcY,
+ GLsizei *width, GLsizei *height,
+ struct gl_pixelstore_attrib *pack)
+{
+ const struct gl_framebuffer *buffer = ctx->ReadBuffer;
+
+ if (pack->RowLength == 0) {
+ pack->RowLength = *width;
+ }
+
+ /* left clipping */
+ if (*srcX < 0) {
+ pack->SkipPixels += (0 - *srcX);
+ *width -= (0 - *srcX);
+ *srcX = 0;
+ }
+ /* right clipping */
+ if (*srcX + *width > (GLsizei) buffer->Width)
+ *width -= (*srcX + *width - buffer->Width);
+
+ if (*width <= 0)
+ return GL_FALSE;
+
+ /* bottom clipping */
+ if (*srcY < 0) {
+ pack->SkipRows += (0 - *srcY);
+ *height -= (0 - *srcY);
+ *srcY = 0;
+ }
+ /* top clipping */
+ if (*srcY + *height > (GLsizei) buffer->Height)
+ *height -= (*srcY + *height - buffer->Height);
+
+ if (*height <= 0)
+ return GL_FALSE;
+
+ return GL_TRUE;
+}
+
+
+/**
+ * Do clipping for a glCopyTexSubImage call.
+ * The framebuffer source region might extend outside the framebuffer
+ * bounds. Clip the source region against the framebuffer bounds and
+ * adjust the texture/dest position and size accordingly.
+ *
+ * \return GL_FALSE if region is totally clipped, GL_TRUE otherwise.
+ */
+GLboolean
+_mesa_clip_copytexsubimage(const struct gl_context *ctx,
+ GLint *destX, GLint *destY,
+ GLint *srcX, GLint *srcY,
+ GLsizei *width, GLsizei *height)
+{
+ const struct gl_framebuffer *fb = ctx->ReadBuffer;
+ const GLint srcX0 = *srcX, srcY0 = *srcY;
+
+ if (_mesa_clip_to_region(0, 0, fb->Width, fb->Height,
+ srcX, srcY, width, height)) {
+ *destX = *destX + *srcX - srcX0;
+ *destY = *destY + *srcY - srcY0;
+
+ return GL_TRUE;
+ }
+ else {
+ return GL_FALSE;
+ }
+}
+
+
+
+/**
+ * Clip the rectangle defined by (x, y, width, height) against the bounds
+ * specified by [xmin, xmax) and [ymin, ymax).
+ * \return GL_FALSE if rect is totally clipped, GL_TRUE otherwise.
+ */
+GLboolean
+_mesa_clip_to_region(GLint xmin, GLint ymin,
+ GLint xmax, GLint ymax,
+ GLint *x, GLint *y,
+ GLsizei *width, GLsizei *height )
+{
+ /* left clipping */
+ if (*x < xmin) {
+ *width -= (xmin - *x);
+ *x = xmin;
+ }
+
+ /* right clipping */
+ if (*x + *width > xmax)
+ *width -= (*x + *width - xmax);
+
+ if (*width <= 0)
+ return GL_FALSE;
+
+ /* bottom (or top) clipping */
+ if (*y < ymin) {
+ *height -= (ymin - *y);
+ *y = ymin;
+ }
+
+ /* top (or bottom) clipping */
+ if (*y + *height > ymax)
+ *height -= (*y + *height - ymax);
+
+ if (*height <= 0)
+ return GL_FALSE;
+
+ return GL_TRUE;
+}
+
+
+/**
+ * Clip dst coords against Xmax (or Ymax).
+ */
+static INLINE void
+clip_right_or_top(GLint *srcX0, GLint *srcX1,
+ GLint *dstX0, GLint *dstX1,
+ GLint maxValue)
+{
+ GLfloat t, bias;
+
+ if (*dstX1 > maxValue) {
+ /* X1 outside right edge */
+ ASSERT(*dstX0 < maxValue); /* X0 should be inside right edge */
+ t = (GLfloat) (maxValue - *dstX0) / (GLfloat) (*dstX1 - *dstX0);
+ /* chop off [t, 1] part */
+ ASSERT(t >= 0.0 && t <= 1.0);
+ *dstX1 = maxValue;
+ bias = (*srcX0 < *srcX1) ? 0.5F : -0.5F;
+ *srcX1 = *srcX0 + (GLint) (t * (*srcX1 - *srcX0) + bias);
+ }
+ else if (*dstX0 > maxValue) {
+ /* X0 outside right edge */
+ ASSERT(*dstX1 < maxValue); /* X1 should be inside right edge */
+ t = (GLfloat) (maxValue - *dstX1) / (GLfloat) (*dstX0 - *dstX1);
+ /* chop off [t, 1] part */
+ ASSERT(t >= 0.0 && t <= 1.0);
+ *dstX0 = maxValue;
+ bias = (*srcX0 < *srcX1) ? -0.5F : 0.5F;
+ *srcX0 = *srcX1 + (GLint) (t * (*srcX0 - *srcX1) + bias);
+ }
+}
+
+
+/**
+ * Clip dst coords against Xmin (or Ymin).
+ */
+static INLINE void
+clip_left_or_bottom(GLint *srcX0, GLint *srcX1,
+ GLint *dstX0, GLint *dstX1,
+ GLint minValue)
+{
+ GLfloat t, bias;
+
+ if (*dstX0 < minValue) {
+ /* X0 outside left edge */
+ ASSERT(*dstX1 > minValue); /* X1 should be inside left edge */
+ t = (GLfloat) (minValue - *dstX0) / (GLfloat) (*dstX1 - *dstX0);
+ /* chop off [0, t] part */
+ ASSERT(t >= 0.0 && t <= 1.0);
+ *dstX0 = minValue;
+ bias = (*srcX0 < *srcX1) ? 0.5F : -0.5F; /* flipped??? */
+ *srcX0 = *srcX0 + (GLint) (t * (*srcX1 - *srcX0) + bias);
+ }
+ else if (*dstX1 < minValue) {
+ /* X1 outside left edge */
+ ASSERT(*dstX0 > minValue); /* X0 should be inside left edge */
+ t = (GLfloat) (minValue - *dstX1) / (GLfloat) (*dstX0 - *dstX1);
+ /* chop off [0, t] part */
+ ASSERT(t >= 0.0 && t <= 1.0);
+ *dstX1 = minValue;
+ bias = (*srcX0 < *srcX1) ? 0.5F : -0.5F;
+ *srcX1 = *srcX1 + (GLint) (t * (*srcX0 - *srcX1) + bias);
+ }
+}
+
+
+/**
+ * Do clipping of blit src/dest rectangles.
+ * The dest rect is clipped against both the buffer bounds and scissor bounds.
+ * The src rect is just clipped against the buffer bounds.
+ *
+ * When either the src or dest rect is clipped, the other is also clipped
+ * proportionately!
+ *
+ * Note that X0 need not be less than X1 (same for Y) for either the source
+ * and dest rects. That makes the clipping a little trickier.
+ *
+ * \return GL_TRUE if anything is left to draw, GL_FALSE if totally clipped
+ */
+GLboolean
+_mesa_clip_blit(struct gl_context *ctx,
+ GLint *srcX0, GLint *srcY0, GLint *srcX1, GLint *srcY1,
+ GLint *dstX0, GLint *dstY0, GLint *dstX1, GLint *dstY1)
+{
+ const GLint srcXmin = 0;
+ const GLint srcXmax = ctx->ReadBuffer->Width;
+ const GLint srcYmin = 0;
+ const GLint srcYmax = ctx->ReadBuffer->Height;
+
+ /* these include scissor bounds */
+ const GLint dstXmin = ctx->DrawBuffer->_Xmin;
+ const GLint dstXmax = ctx->DrawBuffer->_Xmax;
+ const GLint dstYmin = ctx->DrawBuffer->_Ymin;
+ const GLint dstYmax = ctx->DrawBuffer->_Ymax;
+
+ /*
+ printf("PreClipX: src: %d .. %d dst: %d .. %d\n",
+ *srcX0, *srcX1, *dstX0, *dstX1);
+ printf("PreClipY: src: %d .. %d dst: %d .. %d\n",
+ *srcY0, *srcY1, *dstY0, *dstY1);
+ */
+
+ /* trivial rejection tests */
+ if (*dstX0 == *dstX1)
+ return GL_FALSE; /* no width */
+ if (*dstX0 <= dstXmin && *dstX1 <= dstXmin)
+ return GL_FALSE; /* totally out (left) of bounds */
+ if (*dstX0 >= dstXmax && *dstX1 >= dstXmax)
+ return GL_FALSE; /* totally out (right) of bounds */
+
+ if (*dstY0 == *dstY1)
+ return GL_FALSE;
+ if (*dstY0 <= dstYmin && *dstY1 <= dstYmin)
+ return GL_FALSE;
+ if (*dstY0 >= dstYmax && *dstY1 >= dstYmax)
+ return GL_FALSE;
+
+ if (*srcX0 == *srcX1)
+ return GL_FALSE;
+ if (*srcX0 <= srcXmin && *srcX1 <= srcXmin)
+ return GL_FALSE;
+ if (*srcX0 >= srcXmax && *srcX1 >= srcXmax)
+ return GL_FALSE;
+
+ if (*srcY0 == *srcY1)
+ return GL_FALSE;
+ if (*srcY0 <= srcYmin && *srcY1 <= srcYmin)
+ return GL_FALSE;
+ if (*srcY0 >= srcYmax && *srcY1 >= srcYmax)
+ return GL_FALSE;
+
+ /*
+ * dest clip
+ */
+ clip_right_or_top(srcX0, srcX1, dstX0, dstX1, dstXmax);
+ clip_right_or_top(srcY0, srcY1, dstY0, dstY1, dstYmax);
+ clip_left_or_bottom(srcX0, srcX1, dstX0, dstX1, dstXmin);
+ clip_left_or_bottom(srcY0, srcY1, dstY0, dstY1, dstYmin);
+
+ /*
+ * src clip (just swap src/dst values from above)
+ */
+ clip_right_or_top(dstX0, dstX1, srcX0, srcX1, srcXmax);
+ clip_right_or_top(dstY0, dstY1, srcY0, srcY1, srcYmax);
+ clip_left_or_bottom(dstX0, dstX1, srcX0, srcX1, srcXmin);
+ clip_left_or_bottom(dstY0, dstY1, srcY0, srcY1, srcYmin);
+
+ /*
+ printf("PostClipX: src: %d .. %d dst: %d .. %d\n",
+ *srcX0, *srcX1, *dstX0, *dstX1);
+ printf("PostClipY: src: %d .. %d dst: %d .. %d\n",
+ *srcY0, *srcY1, *dstY0, *dstY1);
+ */
+
+ ASSERT(*dstX0 >= dstXmin);
+ ASSERT(*dstX0 <= dstXmax);
+ ASSERT(*dstX1 >= dstXmin);
+ ASSERT(*dstX1 <= dstXmax);
+
+ ASSERT(*dstY0 >= dstYmin);
+ ASSERT(*dstY0 <= dstYmax);
+ ASSERT(*dstY1 >= dstYmin);
+ ASSERT(*dstY1 <= dstYmax);
+
+ ASSERT(*srcX0 >= srcXmin);
+ ASSERT(*srcX0 <= srcXmax);
+ ASSERT(*srcX1 >= srcXmin);
+ ASSERT(*srcX1 <= srcXmax);
+
+ ASSERT(*srcY0 >= srcYmin);
+ ASSERT(*srcY0 <= srcYmax);
+ ASSERT(*srcY1 >= srcYmin);
+ ASSERT(*srcY1 <= srcYmax);
+
+ return GL_TRUE;
+}
diff --git a/mesalib/src/mesa/main/imports.h b/mesalib/src/mesa/main/imports.h
index ce7baabe2..315c4119d 100644
--- a/mesalib/src/mesa/main/imports.h
+++ b/mesalib/src/mesa/main/imports.h
@@ -1,621 +1,621 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.5
- *
- * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-/**
- * \file imports.h
- * Standard C library function wrappers.
- *
- * This file provides wrappers for all the standard C library functions
- * like malloc(), free(), printf(), getenv(), etc.
- */
-
-
-#ifndef IMPORTS_H
-#define IMPORTS_H
-
-
-#include "compiler.h"
-#include "glheader.h"
-
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-
-/**********************************************************************/
-/** Memory macros */
-/*@{*/
-
-/** Allocate \p BYTES bytes */
-#define MALLOC(BYTES) malloc(BYTES)
-/** Allocate and zero \p BYTES bytes */
-#define CALLOC(BYTES) calloc(1, BYTES)
-/** Allocate a structure of type \p T */
-#define MALLOC_STRUCT(T) (struct T *) malloc(sizeof(struct T))
-/** Allocate and zero a structure of type \p T */
-#define CALLOC_STRUCT(T) (struct T *) calloc(1, sizeof(struct T))
-/** Free memory */
-#define FREE(PTR) free(PTR)
-
-/*@}*/
-
-
-/*
- * For GL_ARB_vertex_buffer_object we need to treat vertex array pointers
- * as offsets into buffer stores. Since the vertex array pointer and
- * buffer store pointer are both pointers and we need to add them, we use
- * this macro.
- * Both pointers/offsets are expressed in bytes.
- */
-#define ADD_POINTERS(A, B) ( (GLubyte *) (A) + (uintptr_t) (B) )
-
-
-/**
- * Sometimes we treat GLfloats as GLints. On x86 systems, moving a float
- * as a int (thereby using integer registers instead of FP registers) is
- * a performance win. Typically, this can be done with ordinary casts.
- * But with gcc's -fstrict-aliasing flag (which defaults to on in gcc 3.0)
- * these casts generate warnings.
- * The following union typedef is used to solve that.
- */
-typedef union { GLfloat f; GLint i; } fi_type;
-
-
-
-/**********************************************************************
- * Math macros
- */
-
-#define MAX_GLUSHORT 0xffff
-#define MAX_GLUINT 0xffffffff
-
-/* Degrees to radians conversion: */
-#define DEG2RAD (M_PI/180.0)
-
-
-/***
- *** SQRTF: single-precision square root
- ***/
-#if 0 /* _mesa_sqrtf() not accurate enough - temporarily disabled */
-# define SQRTF(X) _mesa_sqrtf(X)
-#else
-# define SQRTF(X) (float) sqrt((float) (X))
-#endif
-
-
-/***
- *** INV_SQRTF: single-precision inverse square root
- ***/
-#if 0
-#define INV_SQRTF(X) _mesa_inv_sqrt(X)
-#else
-#define INV_SQRTF(X) (1.0F / SQRTF(X)) /* this is faster on a P4 */
-#endif
-
-
-/**
- * \name Work-arounds for platforms that lack C99 math functions
- */
-/*@{*/
-#if (!defined(_XOPEN_SOURCE) || (_XOPEN_SOURCE < 600)) && !defined(_ISOC99_SOURCE) \
- && (!defined(__STDC_VERSION__) || (__STDC_VERSION__ < 199901L)) \
- && (!defined(_MSC_VER) || (_MSC_VER < 1400))
-#define acosf(f) ((float) acos(f))
-#define asinf(f) ((float) asin(f))
-#define atan2f(x,y) ((float) atan2(x,y))
-#define atanf(f) ((float) atan(f))
-#define cielf(f) ((float) ciel(f))
-#define cosf(f) ((float) cos(f))
-#define coshf(f) ((float) cosh(f))
-#define expf(f) ((float) exp(f))
-#define exp2f(f) ((float) exp2(f))
-#define floorf(f) ((float) floor(f))
-#define logf(f) ((float) log(f))
-#define log2f(f) ((float) log2(f))
-#define powf(x,y) ((float) pow(x,y))
-#define sinf(f) ((float) sin(f))
-#define sinhf(f) ((float) sinh(f))
-#define sqrtf(f) ((float) sqrt(f))
-#define tanf(f) ((float) tan(f))
-#define tanhf(f) ((float) tanh(f))
-#define acoshf(f) ((float) acosh(f))
-#define asinhf(f) ((float) asinh(f))
-#define atanhf(f) ((float) atanh(f))
-#endif
-
-#if defined(_MSC_VER)
-static INLINE float truncf(float x) { return x < 0.0f ? ceilf(x) : floorf(x); }
-static INLINE float exp2f(float x) { return powf(2.0f, x); }
-static INLINE float log2f(float x) { return logf(x) * 1.442695041f; }
-static INLINE float asinhf(float x) { return logf(x + sqrtf(x * x + 1.0f)); }
-static INLINE float acoshf(float x) { return logf(x + sqrtf(x * x - 1.0f)); }
-static INLINE float atanhf(float x) { return (logf(1.0f + x) - logf(1.0f - x)) / 2.0f; }
-static INLINE int isblank(int ch) { return ch == ' ' || ch == '\t'; }
-#define strtoll(p, e, b) _strtoi64(p, e, b)
-#endif
-/*@}*/
-
-/***
- *** LOG2: Log base 2 of float
- ***/
-#ifdef USE_IEEE
-#if 0
-/* This is pretty fast, but not accurate enough (only 2 fractional bits).
- * Based on code from http://www.stereopsis.com/log2.html
- */
-static INLINE GLfloat LOG2(GLfloat x)
-{
- const GLfloat y = x * x * x * x;
- const GLuint ix = *((GLuint *) &y);
- const GLuint exp = (ix >> 23) & 0xFF;
- const GLint log2 = ((GLint) exp) - 127;
- return (GLfloat) log2 * (1.0 / 4.0); /* 4, because of x^4 above */
-}
-#endif
-/* Pretty fast, and accurate.
- * Based on code from http://www.flipcode.com/totd/
- */
-static INLINE GLfloat LOG2(GLfloat val)
-{
- fi_type num;
- GLint log_2;
- num.f = val;
- log_2 = ((num.i >> 23) & 255) - 128;
- num.i &= ~(255 << 23);
- num.i += 127 << 23;
- num.f = ((-1.0f/3) * num.f + 2) * num.f - 2.0f/3;
- return num.f + log_2;
-}
-#else
-/*
- * NOTE: log_base_2(x) = log(x) / log(2)
- * NOTE: 1.442695 = 1/log(2).
- */
-#define LOG2(x) ((GLfloat) (log(x) * 1.442695F))
-#endif
-
-
-/***
- *** IS_INF_OR_NAN: test if float is infinite or NaN
- ***/
-#ifdef USE_IEEE
-static INLINE int IS_INF_OR_NAN( float x )
-{
- fi_type tmp;
- tmp.f = x;
- return !(int)((unsigned int)((tmp.i & 0x7fffffff)-0x7f800000) >> 31);
-}
-#elif defined(isfinite)
-#define IS_INF_OR_NAN(x) (!isfinite(x))
-#elif defined(finite)
-#define IS_INF_OR_NAN(x) (!finite(x))
-#elif defined(__VMS)
-#define IS_INF_OR_NAN(x) (!finite(x))
-#elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
-#define IS_INF_OR_NAN(x) (!isfinite(x))
-#else
-#define IS_INF_OR_NAN(x) (!finite(x))
-#endif
-
-
-/***
- *** IS_NEGATIVE: test if float is negative
- ***/
-#if defined(USE_IEEE)
-static INLINE int GET_FLOAT_BITS( float x )
-{
- fi_type fi;
- fi.f = x;
- return fi.i;
-}
-#define IS_NEGATIVE(x) (GET_FLOAT_BITS(x) < 0)
-#else
-#define IS_NEGATIVE(x) (x < 0.0F)
-#endif
-
-
-/***
- *** DIFFERENT_SIGNS: test if two floats have opposite signs
- ***/
-#if defined(USE_IEEE)
-#define DIFFERENT_SIGNS(x,y) ((GET_FLOAT_BITS(x) ^ GET_FLOAT_BITS(y)) & (1<<31))
-#else
-/* Could just use (x*y<0) except for the flatshading requirements.
- * Maybe there's a better way?
- */
-#define DIFFERENT_SIGNS(x,y) ((x) * (y) <= 0.0F && (x) - (y) != 0.0F)
-#endif
-
-
-/***
- *** CEILF: ceiling of float
- *** FLOORF: floor of float
- *** FABSF: absolute value of float
- *** LOGF: the natural logarithm (base e) of the value
- *** EXPF: raise e to the value
- *** LDEXPF: multiply value by an integral power of two
- *** FREXPF: extract mantissa and exponent from value
- ***/
-#if defined(__gnu_linux__)
-/* C99 functions */
-#define CEILF(x) ceilf(x)
-#define FLOORF(x) floorf(x)
-#define FABSF(x) fabsf(x)
-#define LOGF(x) logf(x)
-#define EXPF(x) expf(x)
-#define LDEXPF(x,y) ldexpf(x,y)
-#define FREXPF(x,y) frexpf(x,y)
-#else
-#define CEILF(x) ((GLfloat) ceil(x))
-#define FLOORF(x) ((GLfloat) floor(x))
-#define FABSF(x) ((GLfloat) fabs(x))
-#define LOGF(x) ((GLfloat) log(x))
-#define EXPF(x) ((GLfloat) exp(x))
-#define LDEXPF(x,y) ((GLfloat) ldexp(x,y))
-#define FREXPF(x,y) ((GLfloat) frexp(x,y))
-#endif
-
-
-/***
- *** IROUND: return (as an integer) float rounded to nearest integer
- ***/
-#if defined(USE_X86_ASM) && defined(__GNUC__) && defined(__i386__)
-static INLINE int iround(float f)
-{
- int r;
- __asm__ ("fistpl %0" : "=m" (r) : "t" (f) : "st");
- return r;
-}
-#define IROUND(x) iround(x)
-#elif defined(USE_X86_ASM) && defined(_MSC_VER)
-static INLINE int iround(float f)
-{
- int r;
- _asm {
- fld f
- fistp r
- }
- return r;
-}
-#define IROUND(x) iround(x)
-#elif defined(__WATCOMC__) && defined(__386__)
-long iround(float f);
-#pragma aux iround = \
- "push eax" \
- "fistp dword ptr [esp]" \
- "pop eax" \
- parm [8087] \
- value [eax] \
- modify exact [eax];
-#define IROUND(x) iround(x)
-#else
-#define IROUND(f) ((int) (((f) >= 0.0F) ? ((f) + 0.5F) : ((f) - 0.5F)))
-#endif
-
-#define IROUND64(f) ((GLint64) (((f) >= 0.0F) ? ((f) + 0.5F) : ((f) - 0.5F)))
-
-/***
- *** IROUND_POS: return (as an integer) positive float rounded to nearest int
- ***/
-#ifdef DEBUG
-#define IROUND_POS(f) (assert((f) >= 0.0F), IROUND(f))
-#else
-#define IROUND_POS(f) (IROUND(f))
-#endif
-
-
-/***
- *** IFLOOR: return (as an integer) floor of float
- ***/
-#if defined(USE_X86_ASM) && defined(__GNUC__) && defined(__i386__)
-/*
- * IEEE floor for computers that round to nearest or even.
- * 'f' must be between -4194304 and 4194303.
- * This floor operation is done by "(iround(f + .5) + iround(f - .5)) >> 1",
- * but uses some IEEE specific tricks for better speed.
- * Contributed by Josh Vanderhoof
- */
-static INLINE int ifloor(float f)
-{
- int ai, bi;
- double af, bf;
- af = (3 << 22) + 0.5 + (double)f;
- bf = (3 << 22) + 0.5 - (double)f;
- /* GCC generates an extra fstp/fld without this. */
- __asm__ ("fstps %0" : "=m" (ai) : "t" (af) : "st");
- __asm__ ("fstps %0" : "=m" (bi) : "t" (bf) : "st");
- return (ai - bi) >> 1;
-}
-#define IFLOOR(x) ifloor(x)
-#elif defined(USE_IEEE)
-static INLINE int ifloor(float f)
-{
- int ai, bi;
- double af, bf;
- fi_type u;
-
- af = (3 << 22) + 0.5 + (double)f;
- bf = (3 << 22) + 0.5 - (double)f;
- u.f = (float) af; ai = u.i;
- u.f = (float) bf; bi = u.i;
- return (ai - bi) >> 1;
-}
-#define IFLOOR(x) ifloor(x)
-#else
-static INLINE int ifloor(float f)
-{
- int i = IROUND(f);
- return (i > f) ? i - 1 : i;
-}
-#define IFLOOR(x) ifloor(x)
-#endif
-
-
-/***
- *** ICEIL: return (as an integer) ceiling of float
- ***/
-#if defined(USE_X86_ASM) && defined(__GNUC__) && defined(__i386__)
-/*
- * IEEE ceil for computers that round to nearest or even.
- * 'f' must be between -4194304 and 4194303.
- * This ceil operation is done by "(iround(f + .5) + iround(f - .5) + 1) >> 1",
- * but uses some IEEE specific tricks for better speed.
- * Contributed by Josh Vanderhoof
- */
-static INLINE int iceil(float f)
-{
- int ai, bi;
- double af, bf;
- af = (3 << 22) + 0.5 + (double)f;
- bf = (3 << 22) + 0.5 - (double)f;
- /* GCC generates an extra fstp/fld without this. */
- __asm__ ("fstps %0" : "=m" (ai) : "t" (af) : "st");
- __asm__ ("fstps %0" : "=m" (bi) : "t" (bf) : "st");
- return (ai - bi + 1) >> 1;
-}
-#define ICEIL(x) iceil(x)
-#elif defined(USE_IEEE)
-static INLINE int iceil(float f)
-{
- int ai, bi;
- double af, bf;
- fi_type u;
- af = (3 << 22) + 0.5 + (double)f;
- bf = (3 << 22) + 0.5 - (double)f;
- u.f = (float) af; ai = u.i;
- u.f = (float) bf; bi = u.i;
- return (ai - bi + 1) >> 1;
-}
-#define ICEIL(x) iceil(x)
-#else
-static INLINE int iceil(float f)
-{
- int i = IROUND(f);
- return (i < f) ? i + 1 : i;
-}
-#define ICEIL(x) iceil(x)
-#endif
-
-
-/**
- * Is x a power of two?
- */
-static INLINE int
-_mesa_is_pow_two(int x)
-{
- return !(x & (x - 1));
-}
-
-/**
- * Round given integer to next higer power of two
- * If X is zero result is undefined.
- *
- * Source for the fallback implementation is
- * Sean Eron Anderson's webpage "Bit Twiddling Hacks"
- * http://graphics.stanford.edu/~seander/bithacks.html
- *
- * When using builtin function have to do some work
- * for case when passed values 1 to prevent hiting
- * undefined result from __builtin_clz. Undefined
- * results would be different depending on optimization
- * level used for build.
- */
-static INLINE int32_t
-_mesa_next_pow_two_32(uint32_t x)
-{
-#if defined(__GNUC__) && \
- ((__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || __GNUC__ >= 4)
- uint32_t y = (x != 1);
- return (1 + y) << ((__builtin_clz(x - y) ^ 31) );
-#else
- x--;
- x |= x >> 1;
- x |= x >> 2;
- x |= x >> 4;
- x |= x >> 8;
- x |= x >> 16;
- x++;
- return x;
-#endif
-}
-
-static INLINE int64_t
-_mesa_next_pow_two_64(uint64_t x)
-{
-#if defined(__GNUC__) && \
- ((__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || __GNUC__ >= 4)
- uint64_t y = (x != 1);
- if (sizeof(x) == sizeof(long))
- return (1 + y) << ((__builtin_clzl(x - y) ^ 63));
- else
- return (1 + y) << ((__builtin_clzll(x - y) ^ 63));
-#else
- x--;
- x |= x >> 1;
- x |= x >> 2;
- x |= x >> 4;
- x |= x >> 8;
- x |= x >> 16;
- x |= x >> 32;
- x++;
- return x;
-#endif
-}
-
-
-/**
- * Return 1 if this is a little endian machine, 0 if big endian.
- */
-static INLINE GLboolean
-_mesa_little_endian(void)
-{
- const GLuint ui = 1; /* intentionally not static */
- return *((const GLubyte *) &ui);
-}
-
-
-
-/**********************************************************************
- * Functions
- */
-
-extern void *
-_mesa_align_malloc( size_t bytes, unsigned long alignment );
-
-extern void *
-_mesa_align_calloc( size_t bytes, unsigned long alignment );
-
-extern void
-_mesa_align_free( void *ptr );
-
-extern void *
-_mesa_align_realloc(void *oldBuffer, size_t oldSize, size_t newSize,
- unsigned long alignment);
-
-extern void *
-_mesa_exec_malloc( GLuint size );
-
-extern void
-_mesa_exec_free( void *addr );
-
-extern void *
-_mesa_realloc( void *oldBuffer, size_t oldSize, size_t newSize );
-
-extern void
-_mesa_memset16( unsigned short *dst, unsigned short val, size_t n );
-
-extern double
-_mesa_sqrtd(double x);
-
-extern float
-_mesa_sqrtf(float x);
-
-extern float
-_mesa_inv_sqrtf(float x);
-
-extern void
-_mesa_init_sqrt_table(void);
-
-#ifdef __GNUC__
-
-#ifdef __MINGW32__
-#define ffs __builtin_ffs
-#define ffsll __builtin_ffsll
-#endif
-
-#define _mesa_ffs(i) ffs(i)
-#define _mesa_ffsll(i) ffsll(i)
-
-#if ((_GNUC__ == 3 && __GNUC_MINOR__ >= 4) || __GNUC__ >= 4)
-#define _mesa_bitcount(i) __builtin_popcount(i)
-#else
-extern unsigned int
-_mesa_bitcount(unsigned int n);
-#endif
-
-#else
-extern int
-_mesa_ffs(int32_t i);
-
-extern int
-_mesa_ffsll(int64_t i);
-
-extern unsigned int
-_mesa_bitcount(unsigned int n);
-#endif
-
-extern GLhalfARB
-_mesa_float_to_half(float f);
-
-extern float
-_mesa_half_to_float(GLhalfARB h);
-
-
-extern void *
-_mesa_bsearch( const void *key, const void *base, size_t nmemb, size_t size,
- int (*compar)(const void *, const void *) );
-
-extern char *
-_mesa_getenv( const char *var );
-
-extern char *
-_mesa_strdup( const char *s );
-
-extern float
-_mesa_strtof( const char *s, char **end );
-
-extern unsigned int
-_mesa_str_checksum(const char *str);
-
-extern int
-_mesa_snprintf( char *str, size_t size, const char *fmt, ... ) PRINTFLIKE(3, 4);
-
-struct gl_context;
-
-extern void
-_mesa_warning( struct gl_context *gc, const char *fmtString, ... ) PRINTFLIKE(2, 3);
-
-extern void
-_mesa_problem( const struct gl_context *ctx, const char *fmtString, ... ) PRINTFLIKE(2, 3);
-
-extern void
-_mesa_error( struct gl_context *ctx, GLenum error, const char *fmtString, ... ) PRINTFLIKE(3, 4);
-
-extern void
-_mesa_debug( const struct gl_context *ctx, const char *fmtString, ... ) PRINTFLIKE(2, 3);
-
-
-#if defined(_MSC_VER) && !defined(snprintf)
-#define snprintf _snprintf
-#endif
-
-
-#ifdef __cplusplus
-}
-#endif
-
-
-#endif /* IMPORTS_H */
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.5
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/**
+ * \file imports.h
+ * Standard C library function wrappers.
+ *
+ * This file provides wrappers for all the standard C library functions
+ * like malloc(), free(), printf(), getenv(), etc.
+ */
+
+
+#ifndef IMPORTS_H
+#define IMPORTS_H
+
+
+#include "compiler.h"
+#include "glheader.h"
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/**********************************************************************/
+/** Memory macros */
+/*@{*/
+
+/** Allocate \p BYTES bytes */
+#define MALLOC(BYTES) malloc(BYTES)
+/** Allocate and zero \p BYTES bytes */
+#define CALLOC(BYTES) calloc(1, BYTES)
+/** Allocate a structure of type \p T */
+#define MALLOC_STRUCT(T) (struct T *) malloc(sizeof(struct T))
+/** Allocate and zero a structure of type \p T */
+#define CALLOC_STRUCT(T) (struct T *) calloc(1, sizeof(struct T))
+/** Free memory */
+#define FREE(PTR) free(PTR)
+
+/*@}*/
+
+
+/*
+ * For GL_ARB_vertex_buffer_object we need to treat vertex array pointers
+ * as offsets into buffer stores. Since the vertex array pointer and
+ * buffer store pointer are both pointers and we need to add them, we use
+ * this macro.
+ * Both pointers/offsets are expressed in bytes.
+ */
+#define ADD_POINTERS(A, B) ( (GLubyte *) (A) + (uintptr_t) (B) )
+
+
+/**
+ * Sometimes we treat GLfloats as GLints. On x86 systems, moving a float
+ * as a int (thereby using integer registers instead of FP registers) is
+ * a performance win. Typically, this can be done with ordinary casts.
+ * But with gcc's -fstrict-aliasing flag (which defaults to on in gcc 3.0)
+ * these casts generate warnings.
+ * The following union typedef is used to solve that.
+ */
+typedef union { GLfloat f; GLint i; } fi_type;
+
+
+
+/**********************************************************************
+ * Math macros
+ */
+
+#define MAX_GLUSHORT 0xffff
+#define MAX_GLUINT 0xffffffff
+
+/* Degrees to radians conversion: */
+#define DEG2RAD (M_PI/180.0)
+
+
+/***
+ *** SQRTF: single-precision square root
+ ***/
+#if 0 /* _mesa_sqrtf() not accurate enough - temporarily disabled */
+# define SQRTF(X) _mesa_sqrtf(X)
+#else
+# define SQRTF(X) (float) sqrt((float) (X))
+#endif
+
+
+/***
+ *** INV_SQRTF: single-precision inverse square root
+ ***/
+#if 0
+#define INV_SQRTF(X) _mesa_inv_sqrt(X)
+#else
+#define INV_SQRTF(X) (1.0F / SQRTF(X)) /* this is faster on a P4 */
+#endif
+
+
+/**
+ * \name Work-arounds for platforms that lack C99 math functions
+ */
+/*@{*/
+#if (!defined(_XOPEN_SOURCE) || (_XOPEN_SOURCE < 600)) && !defined(_ISOC99_SOURCE) \
+ && (!defined(__STDC_VERSION__) || (__STDC_VERSION__ < 199901L)) \
+ && (!defined(_MSC_VER) || (_MSC_VER < 1400))
+#define acosf(f) ((float) acos(f))
+#define asinf(f) ((float) asin(f))
+#define atan2f(x,y) ((float) atan2(x,y))
+#define atanf(f) ((float) atan(f))
+#define cielf(f) ((float) ciel(f))
+#define cosf(f) ((float) cos(f))
+#define coshf(f) ((float) cosh(f))
+#define expf(f) ((float) exp(f))
+#define exp2f(f) ((float) exp2(f))
+#define floorf(f) ((float) floor(f))
+#define logf(f) ((float) log(f))
+#define log2f(f) ((float) log2(f))
+#define powf(x,y) ((float) pow(x,y))
+#define sinf(f) ((float) sin(f))
+#define sinhf(f) ((float) sinh(f))
+#define sqrtf(f) ((float) sqrt(f))
+#define tanf(f) ((float) tan(f))
+#define tanhf(f) ((float) tanh(f))
+#define acoshf(f) ((float) acosh(f))
+#define asinhf(f) ((float) asinh(f))
+#define atanhf(f) ((float) atanh(f))
+#endif
+
+#if defined(_MSC_VER)
+static INLINE float truncf(float x) { return x < 0.0f ? ceilf(x) : floorf(x); }
+static INLINE float exp2f(float x) { return powf(2.0f, x); }
+static INLINE float log2f(float x) { return logf(x) * 1.442695041f; }
+static INLINE float asinhf(float x) { return logf(x + sqrtf(x * x + 1.0f)); }
+static INLINE float acoshf(float x) { return logf(x + sqrtf(x * x - 1.0f)); }
+static INLINE float atanhf(float x) { return (logf(1.0f + x) - logf(1.0f - x)) / 2.0f; }
+static INLINE int isblank(int ch) { return ch == ' ' || ch == '\t'; }
+#define strtoll(p, e, b) _strtoi64(p, e, b)
+#endif
+/*@}*/
+
+/***
+ *** LOG2: Log base 2 of float
+ ***/
+#ifdef USE_IEEE
+#if 0
+/* This is pretty fast, but not accurate enough (only 2 fractional bits).
+ * Based on code from http://www.stereopsis.com/log2.html
+ */
+static INLINE GLfloat LOG2(GLfloat x)
+{
+ const GLfloat y = x * x * x * x;
+ const GLuint ix = *((GLuint *) &y);
+ const GLuint exp = (ix >> 23) & 0xFF;
+ const GLint log2 = ((GLint) exp) - 127;
+ return (GLfloat) log2 * (1.0 / 4.0); /* 4, because of x^4 above */
+}
+#endif
+/* Pretty fast, and accurate.
+ * Based on code from http://www.flipcode.com/totd/
+ */
+static INLINE GLfloat LOG2(GLfloat val)
+{
+ fi_type num;
+ GLint log_2;
+ num.f = val;
+ log_2 = ((num.i >> 23) & 255) - 128;
+ num.i &= ~(255 << 23);
+ num.i += 127 << 23;
+ num.f = ((-1.0f/3) * num.f + 2) * num.f - 2.0f/3;
+ return num.f + log_2;
+}
+#else
+/*
+ * NOTE: log_base_2(x) = log(x) / log(2)
+ * NOTE: 1.442695 = 1/log(2).
+ */
+#define LOG2(x) ((GLfloat) (log(x) * 1.442695F))
+#endif
+
+
+/***
+ *** IS_INF_OR_NAN: test if float is infinite or NaN
+ ***/
+#ifdef USE_IEEE
+static INLINE int IS_INF_OR_NAN( float x )
+{
+ fi_type tmp;
+ tmp.f = x;
+ return !(int)((unsigned int)((tmp.i & 0x7fffffff)-0x7f800000) >> 31);
+}
+#elif defined(isfinite)
+#define IS_INF_OR_NAN(x) (!isfinite(x))
+#elif defined(finite)
+#define IS_INF_OR_NAN(x) (!finite(x))
+#elif defined(__VMS)
+#define IS_INF_OR_NAN(x) (!finite(x))
+#elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+#define IS_INF_OR_NAN(x) (!isfinite(x))
+#else
+#define IS_INF_OR_NAN(x) (!finite(x))
+#endif
+
+
+/***
+ *** IS_NEGATIVE: test if float is negative
+ ***/
+#if defined(USE_IEEE)
+static INLINE int GET_FLOAT_BITS( float x )
+{
+ fi_type fi;
+ fi.f = x;
+ return fi.i;
+}
+#define IS_NEGATIVE(x) (GET_FLOAT_BITS(x) < 0)
+#else
+#define IS_NEGATIVE(x) (x < 0.0F)
+#endif
+
+
+/***
+ *** DIFFERENT_SIGNS: test if two floats have opposite signs
+ ***/
+#if defined(USE_IEEE)
+#define DIFFERENT_SIGNS(x,y) ((GET_FLOAT_BITS(x) ^ GET_FLOAT_BITS(y)) & (1<<31))
+#else
+/* Could just use (x*y<0) except for the flatshading requirements.
+ * Maybe there's a better way?
+ */
+#define DIFFERENT_SIGNS(x,y) ((x) * (y) <= 0.0F && (x) - (y) != 0.0F)
+#endif
+
+
+/***
+ *** CEILF: ceiling of float
+ *** FLOORF: floor of float
+ *** FABSF: absolute value of float
+ *** LOGF: the natural logarithm (base e) of the value
+ *** EXPF: raise e to the value
+ *** LDEXPF: multiply value by an integral power of two
+ *** FREXPF: extract mantissa and exponent from value
+ ***/
+#if defined(__gnu_linux__)
+/* C99 functions */
+#define CEILF(x) ceilf(x)
+#define FLOORF(x) floorf(x)
+#define FABSF(x) fabsf(x)
+#define LOGF(x) logf(x)
+#define EXPF(x) expf(x)
+#define LDEXPF(x,y) ldexpf(x,y)
+#define FREXPF(x,y) frexpf(x,y)
+#else
+#define CEILF(x) ((GLfloat) ceil(x))
+#define FLOORF(x) ((GLfloat) floor(x))
+#define FABSF(x) ((GLfloat) fabs(x))
+#define LOGF(x) ((GLfloat) log(x))
+#define EXPF(x) ((GLfloat) exp(x))
+#define LDEXPF(x,y) ((GLfloat) ldexp(x,y))
+#define FREXPF(x,y) ((GLfloat) frexp(x,y))
+#endif
+
+
+/***
+ *** IROUND: return (as an integer) float rounded to nearest integer
+ ***/
+#if defined(USE_X86_ASM) && defined(__GNUC__) && defined(__i386__)
+static INLINE int iround(float f)
+{
+ int r;
+ __asm__ ("fistpl %0" : "=m" (r) : "t" (f) : "st");
+ return r;
+}
+#define IROUND(x) iround(x)
+#elif defined(USE_X86_ASM) && defined(_MSC_VER)
+static INLINE int iround(float f)
+{
+ int r;
+ _asm {
+ fld f
+ fistp r
+ }
+ return r;
+}
+#define IROUND(x) iround(x)
+#elif defined(__WATCOMC__) && defined(__386__)
+long iround(float f);
+#pragma aux iround = \
+ "push eax" \
+ "fistp dword ptr [esp]" \
+ "pop eax" \
+ parm [8087] \
+ value [eax] \
+ modify exact [eax];
+#define IROUND(x) iround(x)
+#else
+#define IROUND(f) ((int) (((f) >= 0.0F) ? ((f) + 0.5F) : ((f) - 0.5F)))
+#endif
+
+#define IROUND64(f) ((GLint64) (((f) >= 0.0F) ? ((f) + 0.5F) : ((f) - 0.5F)))
+
+/***
+ *** IROUND_POS: return (as an integer) positive float rounded to nearest int
+ ***/
+#ifdef DEBUG
+#define IROUND_POS(f) (assert((f) >= 0.0F), IROUND(f))
+#else
+#define IROUND_POS(f) (IROUND(f))
+#endif
+
+
+/***
+ *** IFLOOR: return (as an integer) floor of float
+ ***/
+#if defined(USE_X86_ASM) && defined(__GNUC__) && defined(__i386__)
+/*
+ * IEEE floor for computers that round to nearest or even.
+ * 'f' must be between -4194304 and 4194303.
+ * This floor operation is done by "(iround(f + .5) + iround(f - .5)) >> 1",
+ * but uses some IEEE specific tricks for better speed.
+ * Contributed by Josh Vanderhoof
+ */
+static INLINE int ifloor(float f)
+{
+ int ai, bi;
+ double af, bf;
+ af = (3 << 22) + 0.5 + (double)f;
+ bf = (3 << 22) + 0.5 - (double)f;
+ /* GCC generates an extra fstp/fld without this. */
+ __asm__ ("fstps %0" : "=m" (ai) : "t" (af) : "st");
+ __asm__ ("fstps %0" : "=m" (bi) : "t" (bf) : "st");
+ return (ai - bi) >> 1;
+}
+#define IFLOOR(x) ifloor(x)
+#elif defined(USE_IEEE)
+static INLINE int ifloor(float f)
+{
+ int ai, bi;
+ double af, bf;
+ fi_type u;
+
+ af = (3 << 22) + 0.5 + (double)f;
+ bf = (3 << 22) + 0.5 - (double)f;
+ u.f = (float) af; ai = u.i;
+ u.f = (float) bf; bi = u.i;
+ return (ai - bi) >> 1;
+}
+#define IFLOOR(x) ifloor(x)
+#else
+static INLINE int ifloor(float f)
+{
+ int i = IROUND(f);
+ return (i > f) ? i - 1 : i;
+}
+#define IFLOOR(x) ifloor(x)
+#endif
+
+
+/***
+ *** ICEIL: return (as an integer) ceiling of float
+ ***/
+#if defined(USE_X86_ASM) && defined(__GNUC__) && defined(__i386__)
+/*
+ * IEEE ceil for computers that round to nearest or even.
+ * 'f' must be between -4194304 and 4194303.
+ * This ceil operation is done by "(iround(f + .5) + iround(f - .5) + 1) >> 1",
+ * but uses some IEEE specific tricks for better speed.
+ * Contributed by Josh Vanderhoof
+ */
+static INLINE int iceil(float f)
+{
+ int ai, bi;
+ double af, bf;
+ af = (3 << 22) + 0.5 + (double)f;
+ bf = (3 << 22) + 0.5 - (double)f;
+ /* GCC generates an extra fstp/fld without this. */
+ __asm__ ("fstps %0" : "=m" (ai) : "t" (af) : "st");
+ __asm__ ("fstps %0" : "=m" (bi) : "t" (bf) : "st");
+ return (ai - bi + 1) >> 1;
+}
+#define ICEIL(x) iceil(x)
+#elif defined(USE_IEEE)
+static INLINE int iceil(float f)
+{
+ int ai, bi;
+ double af, bf;
+ fi_type u;
+ af = (3 << 22) + 0.5 + (double)f;
+ bf = (3 << 22) + 0.5 - (double)f;
+ u.f = (float) af; ai = u.i;
+ u.f = (float) bf; bi = u.i;
+ return (ai - bi + 1) >> 1;
+}
+#define ICEIL(x) iceil(x)
+#else
+static INLINE int iceil(float f)
+{
+ int i = IROUND(f);
+ return (i < f) ? i + 1 : i;
+}
+#define ICEIL(x) iceil(x)
+#endif
+
+
+/**
+ * Is x a power of two?
+ */
+static INLINE int
+_mesa_is_pow_two(int x)
+{
+ return !(x & (x - 1));
+}
+
+/**
+ * Round given integer to next higer power of two
+ * If X is zero result is undefined.
+ *
+ * Source for the fallback implementation is
+ * Sean Eron Anderson's webpage "Bit Twiddling Hacks"
+ * http://graphics.stanford.edu/~seander/bithacks.html
+ *
+ * When using builtin function have to do some work
+ * for case when passed values 1 to prevent hiting
+ * undefined result from __builtin_clz. Undefined
+ * results would be different depending on optimization
+ * level used for build.
+ */
+static INLINE int32_t
+_mesa_next_pow_two_32(uint32_t x)
+{
+#if defined(__GNUC__) && \
+ ((__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || __GNUC__ >= 4)
+ uint32_t y = (x != 1);
+ return (1 + y) << ((__builtin_clz(x - y) ^ 31) );
+#else
+ x--;
+ x |= x >> 1;
+ x |= x >> 2;
+ x |= x >> 4;
+ x |= x >> 8;
+ x |= x >> 16;
+ x++;
+ return x;
+#endif
+}
+
+static INLINE int64_t
+_mesa_next_pow_two_64(uint64_t x)
+{
+#if defined(__GNUC__) && \
+ ((__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || __GNUC__ >= 4)
+ uint64_t y = (x != 1);
+ if (sizeof(x) == sizeof(long))
+ return (1 + y) << ((__builtin_clzl(x - y) ^ 63));
+ else
+ return (1 + y) << ((__builtin_clzll(x - y) ^ 63));
+#else
+ x--;
+ x |= x >> 1;
+ x |= x >> 2;
+ x |= x >> 4;
+ x |= x >> 8;
+ x |= x >> 16;
+ x |= x >> 32;
+ x++;
+ return x;
+#endif
+}
+
+
+/**
+ * Return 1 if this is a little endian machine, 0 if big endian.
+ */
+static INLINE GLboolean
+_mesa_little_endian(void)
+{
+ const GLuint ui = 1; /* intentionally not static */
+ return *((const GLubyte *) &ui);
+}
+
+
+
+/**********************************************************************
+ * Functions
+ */
+
+extern void *
+_mesa_align_malloc( size_t bytes, unsigned long alignment );
+
+extern void *
+_mesa_align_calloc( size_t bytes, unsigned long alignment );
+
+extern void
+_mesa_align_free( void *ptr );
+
+extern void *
+_mesa_align_realloc(void *oldBuffer, size_t oldSize, size_t newSize,
+ unsigned long alignment);
+
+extern void *
+_mesa_exec_malloc( GLuint size );
+
+extern void
+_mesa_exec_free( void *addr );
+
+extern void *
+_mesa_realloc( void *oldBuffer, size_t oldSize, size_t newSize );
+
+extern void
+_mesa_memset16( unsigned short *dst, unsigned short val, size_t n );
+
+extern double
+_mesa_sqrtd(double x);
+
+extern float
+_mesa_sqrtf(float x);
+
+extern float
+_mesa_inv_sqrtf(float x);
+
+extern void
+_mesa_init_sqrt_table(void);
+
+#ifdef __GNUC__
+
+#ifdef __MINGW32__
+#define ffs __builtin_ffs
+#define ffsll __builtin_ffsll
+#endif
+
+#define _mesa_ffs(i) ffs(i)
+#define _mesa_ffsll(i) ffsll(i)
+
+#if ((_GNUC__ == 3 && __GNUC_MINOR__ >= 4) || __GNUC__ >= 4)
+#define _mesa_bitcount(i) __builtin_popcount(i)
+#else
+extern unsigned int
+_mesa_bitcount(unsigned int n);
+#endif
+
+#else
+extern int
+_mesa_ffs(int32_t i);
+
+extern int
+_mesa_ffsll(int64_t i);
+
+extern unsigned int
+_mesa_bitcount(unsigned int n);
+#endif
+
+extern GLhalfARB
+_mesa_float_to_half(float f);
+
+extern float
+_mesa_half_to_float(GLhalfARB h);
+
+
+extern void *
+_mesa_bsearch( const void *key, const void *base, size_t nmemb, size_t size,
+ int (*compar)(const void *, const void *) );
+
+extern char *
+_mesa_getenv( const char *var );
+
+extern char *
+_mesa_strdup( const char *s );
+
+extern float
+_mesa_strtof( const char *s, char **end );
+
+extern unsigned int
+_mesa_str_checksum(const char *str);
+
+extern int
+_mesa_snprintf( char *str, size_t size, const char *fmt, ... ) PRINTFLIKE(3, 4);
+
+struct gl_context;
+
+extern void
+_mesa_warning( struct gl_context *gc, const char *fmtString, ... ) PRINTFLIKE(2, 3);
+
+extern void
+_mesa_problem( const struct gl_context *ctx, const char *fmtString, ... ) PRINTFLIKE(2, 3);
+
+extern void
+_mesa_error( struct gl_context *ctx, GLenum error, const char *fmtString, ... ) PRINTFLIKE(3, 4);
+
+extern void
+_mesa_debug( const struct gl_context *ctx, const char *fmtString, ... ) PRINTFLIKE(2, 3);
+
+
+#if defined(_MSC_VER) && !defined(snprintf)
+#define snprintf _snprintf
+#endif
+
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif /* IMPORTS_H */
diff --git a/mesalib/src/mesa/main/lines.c b/mesalib/src/mesa/main/lines.c
index 79bf5679d..1df409f45 100644
--- a/mesalib/src/mesa/main/lines.c
+++ b/mesalib/src/mesa/main/lines.c
@@ -1,117 +1,117 @@
-/*
- * Mesa 3-D graphics library
- * Version: 6.5.3
- *
- * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-#include "glheader.h"
-#include "context.h"
-#include "lines.h"
-#include "macros.h"
-#include "mtypes.h"
-
-
-/**
- * Set the line width.
- *
- * \param width line width in pixels.
- *
- * \sa glLineWidth().
- */
-void GLAPIENTRY
-_mesa_LineWidth( GLfloat width )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glLineWidth %f\n", width);
-
- if (width<=0.0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glLineWidth" );
- return;
- }
-
- if (ctx->Line.Width == width)
- return;
-
- FLUSH_VERTICES(ctx, _NEW_LINE);
- ctx->Line.Width = width;
-
- if (ctx->Driver.LineWidth)
- ctx->Driver.LineWidth(ctx, width);
-}
-
-
-/**
- * Set the line stipple pattern.
- *
- * \param factor pattern scale factor.
- * \param pattern bit pattern.
- *
- * \sa glLineStipple().
- *
- * Updates gl_line_attrib::StippleFactor and gl_line_attrib::StipplePattern. On
- * change flushes the vertices and notifies the driver via
- * the dd_function_table::LineStipple callback.
- */
-void GLAPIENTRY
-_mesa_LineStipple( GLint factor, GLushort pattern )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glLineStipple %d %u\n", factor, pattern);
-
- factor = CLAMP( factor, 1, 256 );
-
- if (ctx->Line.StippleFactor == factor &&
- ctx->Line.StipplePattern == pattern)
- return;
-
- FLUSH_VERTICES(ctx, _NEW_LINE);
- ctx->Line.StippleFactor = factor;
- ctx->Line.StipplePattern = pattern;
-
- if (ctx->Driver.LineStipple)
- ctx->Driver.LineStipple( ctx, factor, pattern );
-}
-
-
-/**
- * Initialize the context line state.
- *
- * \param ctx GL context.
- *
- * Initializes __struct gl_contextRec::Line and line related constants in
- * __struct gl_contextRec::Const.
- */
-void GLAPIENTRY
-_mesa_init_line( struct gl_context * ctx )
-{
- ctx->Line.SmoothFlag = GL_FALSE;
- ctx->Line.StippleFlag = GL_FALSE;
- ctx->Line.Width = 1.0;
- ctx->Line.StipplePattern = 0xffff;
- ctx->Line.StippleFactor = 1;
-}
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5.3
+ *
+ * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#include "glheader.h"
+#include "context.h"
+#include "lines.h"
+#include "macros.h"
+#include "mtypes.h"
+
+
+/**
+ * Set the line width.
+ *
+ * \param width line width in pixels.
+ *
+ * \sa glLineWidth().
+ */
+void GLAPIENTRY
+_mesa_LineWidth( GLfloat width )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glLineWidth %f\n", width);
+
+ if (width<=0.0) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glLineWidth" );
+ return;
+ }
+
+ if (ctx->Line.Width == width)
+ return;
+
+ FLUSH_VERTICES(ctx, _NEW_LINE);
+ ctx->Line.Width = width;
+
+ if (ctx->Driver.LineWidth)
+ ctx->Driver.LineWidth(ctx, width);
+}
+
+
+/**
+ * Set the line stipple pattern.
+ *
+ * \param factor pattern scale factor.
+ * \param pattern bit pattern.
+ *
+ * \sa glLineStipple().
+ *
+ * Updates gl_line_attrib::StippleFactor and gl_line_attrib::StipplePattern. On
+ * change flushes the vertices and notifies the driver via
+ * the dd_function_table::LineStipple callback.
+ */
+void GLAPIENTRY
+_mesa_LineStipple( GLint factor, GLushort pattern )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glLineStipple %d %u\n", factor, pattern);
+
+ factor = CLAMP( factor, 1, 256 );
+
+ if (ctx->Line.StippleFactor == factor &&
+ ctx->Line.StipplePattern == pattern)
+ return;
+
+ FLUSH_VERTICES(ctx, _NEW_LINE);
+ ctx->Line.StippleFactor = factor;
+ ctx->Line.StipplePattern = pattern;
+
+ if (ctx->Driver.LineStipple)
+ ctx->Driver.LineStipple( ctx, factor, pattern );
+}
+
+
+/**
+ * Initialize the context line state.
+ *
+ * \param ctx GL context.
+ *
+ * Initializes __struct gl_contextRec::Line and line related constants in
+ * __struct gl_contextRec::Const.
+ */
+void GLAPIENTRY
+_mesa_init_line( struct gl_context * ctx )
+{
+ ctx->Line.SmoothFlag = GL_FALSE;
+ ctx->Line.StippleFlag = GL_FALSE;
+ ctx->Line.Width = 1.0;
+ ctx->Line.StipplePattern = 0xffff;
+ ctx->Line.StippleFactor = 1;
+}
diff --git a/mesalib/src/mesa/main/mipmap.c b/mesalib/src/mesa/main/mipmap.c
index e594160ad..b12399ee6 100644
--- a/mesalib/src/mesa/main/mipmap.c
+++ b/mesalib/src/mesa/main/mipmap.c
@@ -1,2027 +1,2027 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.1
- *
- * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-/**
- * \file mipmap.c mipmap generation and teximage resizing functions.
- */
-
-#include "imports.h"
-#include "formats.h"
-#include "mipmap.h"
-#include "mtypes.h"
-#include "teximage.h"
-#include "texstore.h"
-#include "image.h"
-
-
-
-static GLint
-bytes_per_pixel(GLenum datatype, GLuint comps)
-{
- GLint b = _mesa_sizeof_packed_type(datatype);
- assert(b >= 0);
-
- if (_mesa_type_is_packed(datatype))
- return b;
- else
- return b * comps;
-}
-
-
-/**
- * \name Support macros for do_row and do_row_3d
- *
- * The macro madness is here for two reasons. First, it compacts the code
- * slightly. Second, it makes it much easier to adjust the specifics of the
- * filter to tune the rounding characteristics.
- */
-/*@{*/
-#define DECLARE_ROW_POINTERS(t, e) \
- const t(*rowA)[e] = (const t(*)[e]) srcRowA; \
- const t(*rowB)[e] = (const t(*)[e]) srcRowB; \
- const t(*rowC)[e] = (const t(*)[e]) srcRowC; \
- const t(*rowD)[e] = (const t(*)[e]) srcRowD; \
- t(*dst)[e] = (t(*)[e]) dstRow
-
-#define DECLARE_ROW_POINTERS0(t) \
- const t *rowA = (const t *) srcRowA; \
- const t *rowB = (const t *) srcRowB; \
- const t *rowC = (const t *) srcRowC; \
- const t *rowD = (const t *) srcRowD; \
- t *dst = (t *) dstRow
-
-#define FILTER_SUM_3D(Aj, Ak, Bj, Bk, Cj, Ck, Dj, Dk) \
- ((unsigned) Aj + (unsigned) Ak \
- + (unsigned) Bj + (unsigned) Bk \
- + (unsigned) Cj + (unsigned) Ck \
- + (unsigned) Dj + (unsigned) Dk \
- + 4) >> 3
-
-#define FILTER_3D(e) \
- do { \
- dst[i][e] = FILTER_SUM_3D(rowA[j][e], rowA[k][e], \
- rowB[j][e], rowB[k][e], \
- rowC[j][e], rowC[k][e], \
- rowD[j][e], rowD[k][e]); \
- } while(0)
-
-#define FILTER_SUM_3D_SIGNED(Aj, Ak, Bj, Bk, Cj, Ck, Dj, Dk) \
- (Aj + Ak \
- + Bj + Bk \
- + Cj + Ck \
- + Dj + Dk \
- + 4) / 8
-
-#define FILTER_3D_SIGNED(e) \
- do { \
- dst[i][e] = FILTER_SUM_3D_SIGNED(rowA[j][e], rowA[k][e], \
- rowB[j][e], rowB[k][e], \
- rowC[j][e], rowC[k][e], \
- rowD[j][e], rowD[k][e]); \
- } while(0)
-
-#define FILTER_F_3D(e) \
- do { \
- dst[i][e] = (rowA[j][e] + rowA[k][e] \
- + rowB[j][e] + rowB[k][e] \
- + rowC[j][e] + rowC[k][e] \
- + rowD[j][e] + rowD[k][e]) * 0.125F; \
- } while(0)
-
-#define FILTER_HF_3D(e) \
- do { \
- const GLfloat aj = _mesa_half_to_float(rowA[j][e]); \
- const GLfloat ak = _mesa_half_to_float(rowA[k][e]); \
- const GLfloat bj = _mesa_half_to_float(rowB[j][e]); \
- const GLfloat bk = _mesa_half_to_float(rowB[k][e]); \
- const GLfloat cj = _mesa_half_to_float(rowC[j][e]); \
- const GLfloat ck = _mesa_half_to_float(rowC[k][e]); \
- const GLfloat dj = _mesa_half_to_float(rowD[j][e]); \
- const GLfloat dk = _mesa_half_to_float(rowD[k][e]); \
- dst[i][e] = _mesa_float_to_half((aj + ak + bj + bk + cj + ck + dj + dk) \
- * 0.125F); \
- } while(0)
-/*@}*/
-
-
-/**
- * Average together two rows of a source image to produce a single new
- * row in the dest image. It's legal for the two source rows to point
- * to the same data. The source width must be equal to either the
- * dest width or two times the dest width.
- * \param datatype GL_UNSIGNED_BYTE, GL_UNSIGNED_SHORT, GL_FLOAT, etc.
- * \param comps number of components per pixel (1..4)
- */
-static void
-do_row(GLenum datatype, GLuint comps, GLint srcWidth,
- const GLvoid *srcRowA, const GLvoid *srcRowB,
- GLint dstWidth, GLvoid *dstRow)
-{
- const GLuint k0 = (srcWidth == dstWidth) ? 0 : 1;
- const GLuint colStride = (srcWidth == dstWidth) ? 1 : 2;
-
- ASSERT(comps >= 1);
- ASSERT(comps <= 4);
-
- /* This assertion is no longer valid with non-power-of-2 textures
- assert(srcWidth == dstWidth || srcWidth == 2 * dstWidth);
- */
-
- if (datatype == GL_UNSIGNED_BYTE && comps == 4) {
- GLuint i, j, k;
- const GLubyte(*rowA)[4] = (const GLubyte(*)[4]) srcRowA;
- const GLubyte(*rowB)[4] = (const GLubyte(*)[4]) srcRowB;
- GLubyte(*dst)[4] = (GLubyte(*)[4]) dstRow;
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) / 4;
- dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
- dst[i][2] = (rowA[j][2] + rowA[k][2] + rowB[j][2] + rowB[k][2]) / 4;
- dst[i][3] = (rowA[j][3] + rowA[k][3] + rowB[j][3] + rowB[k][3]) / 4;
- }
- }
- else if (datatype == GL_UNSIGNED_BYTE && comps == 3) {
- GLuint i, j, k;
- const GLubyte(*rowA)[3] = (const GLubyte(*)[3]) srcRowA;
- const GLubyte(*rowB)[3] = (const GLubyte(*)[3]) srcRowB;
- GLubyte(*dst)[3] = (GLubyte(*)[3]) dstRow;
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) / 4;
- dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
- dst[i][2] = (rowA[j][2] + rowA[k][2] + rowB[j][2] + rowB[k][2]) / 4;
- }
- }
- else if (datatype == GL_UNSIGNED_BYTE && comps == 2) {
- GLuint i, j, k;
- const GLubyte(*rowA)[2] = (const GLubyte(*)[2]) srcRowA;
- const GLubyte(*rowB)[2] = (const GLubyte(*)[2]) srcRowB;
- GLubyte(*dst)[2] = (GLubyte(*)[2]) dstRow;
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) >> 2;
- dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) >> 2;
- }
- }
- else if (datatype == GL_UNSIGNED_BYTE && comps == 1) {
- GLuint i, j, k;
- const GLubyte *rowA = (const GLubyte *) srcRowA;
- const GLubyte *rowB = (const GLubyte *) srcRowB;
- GLubyte *dst = (GLubyte *) dstRow;
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- dst[i] = (rowA[j] + rowA[k] + rowB[j] + rowB[k]) >> 2;
- }
- }
-
- else if (datatype == GL_BYTE && comps == 4) {
- GLuint i, j, k;
- const GLbyte(*rowA)[4] = (const GLbyte(*)[4]) srcRowA;
- const GLbyte(*rowB)[4] = (const GLbyte(*)[4]) srcRowB;
- GLbyte(*dst)[4] = (GLbyte(*)[4]) dstRow;
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) / 4;
- dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
- dst[i][2] = (rowA[j][2] + rowA[k][2] + rowB[j][2] + rowB[k][2]) / 4;
- dst[i][3] = (rowA[j][3] + rowA[k][3] + rowB[j][3] + rowB[k][3]) / 4;
- }
- }
- else if (datatype == GL_BYTE && comps == 3) {
- GLuint i, j, k;
- const GLbyte(*rowA)[3] = (const GLbyte(*)[3]) srcRowA;
- const GLbyte(*rowB)[3] = (const GLbyte(*)[3]) srcRowB;
- GLbyte(*dst)[3] = (GLbyte(*)[3]) dstRow;
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) / 4;
- dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
- dst[i][2] = (rowA[j][2] + rowA[k][2] + rowB[j][2] + rowB[k][2]) / 4;
- }
- }
- else if (datatype == GL_BYTE && comps == 2) {
- GLuint i, j, k;
- const GLbyte(*rowA)[2] = (const GLbyte(*)[2]) srcRowA;
- const GLbyte(*rowB)[2] = (const GLbyte(*)[2]) srcRowB;
- GLbyte(*dst)[2] = (GLbyte(*)[2]) dstRow;
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) / 4;
- dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
- }
- }
- else if (datatype == GL_BYTE && comps == 1) {
- GLuint i, j, k;
- const GLbyte *rowA = (const GLbyte *) srcRowA;
- const GLbyte *rowB = (const GLbyte *) srcRowB;
- GLbyte *dst = (GLbyte *) dstRow;
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- dst[i] = (rowA[j] + rowA[k] + rowB[j] + rowB[k]) / 4;
- }
- }
-
- else if (datatype == GL_UNSIGNED_SHORT && comps == 4) {
- GLuint i, j, k;
- const GLushort(*rowA)[4] = (const GLushort(*)[4]) srcRowA;
- const GLushort(*rowB)[4] = (const GLushort(*)[4]) srcRowB;
- GLushort(*dst)[4] = (GLushort(*)[4]) dstRow;
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) / 4;
- dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
- dst[i][2] = (rowA[j][2] + rowA[k][2] + rowB[j][2] + rowB[k][2]) / 4;
- dst[i][3] = (rowA[j][3] + rowA[k][3] + rowB[j][3] + rowB[k][3]) / 4;
- }
- }
- else if (datatype == GL_UNSIGNED_SHORT && comps == 3) {
- GLuint i, j, k;
- const GLushort(*rowA)[3] = (const GLushort(*)[3]) srcRowA;
- const GLushort(*rowB)[3] = (const GLushort(*)[3]) srcRowB;
- GLushort(*dst)[3] = (GLushort(*)[3]) dstRow;
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) / 4;
- dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
- dst[i][2] = (rowA[j][2] + rowA[k][2] + rowB[j][2] + rowB[k][2]) / 4;
- }
- }
- else if (datatype == GL_UNSIGNED_SHORT && comps == 2) {
- GLuint i, j, k;
- const GLushort(*rowA)[2] = (const GLushort(*)[2]) srcRowA;
- const GLushort(*rowB)[2] = (const GLushort(*)[2]) srcRowB;
- GLushort(*dst)[2] = (GLushort(*)[2]) dstRow;
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) / 4;
- dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
- }
- }
- else if (datatype == GL_UNSIGNED_SHORT && comps == 1) {
- GLuint i, j, k;
- const GLushort *rowA = (const GLushort *) srcRowA;
- const GLushort *rowB = (const GLushort *) srcRowB;
- GLushort *dst = (GLushort *) dstRow;
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- dst[i] = (rowA[j] + rowA[k] + rowB[j] + rowB[k]) / 4;
- }
- }
-
- else if (datatype == GL_SHORT && comps == 4) {
- GLuint i, j, k;
- const GLshort(*rowA)[4] = (const GLshort(*)[4]) srcRowA;
- const GLshort(*rowB)[4] = (const GLshort(*)[4]) srcRowB;
- GLshort(*dst)[4] = (GLshort(*)[4]) dstRow;
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) / 4;
- dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
- dst[i][2] = (rowA[j][2] + rowA[k][2] + rowB[j][2] + rowB[k][2]) / 4;
- dst[i][3] = (rowA[j][3] + rowA[k][3] + rowB[j][3] + rowB[k][3]) / 4;
- }
- }
- else if (datatype == GL_SHORT && comps == 3) {
- GLuint i, j, k;
- const GLshort(*rowA)[3] = (const GLshort(*)[3]) srcRowA;
- const GLshort(*rowB)[3] = (const GLshort(*)[3]) srcRowB;
- GLshort(*dst)[3] = (GLshort(*)[3]) dstRow;
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) / 4;
- dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
- dst[i][2] = (rowA[j][2] + rowA[k][2] + rowB[j][2] + rowB[k][2]) / 4;
- }
- }
- else if (datatype == GL_SHORT && comps == 2) {
- GLuint i, j, k;
- const GLshort(*rowA)[2] = (const GLshort(*)[2]) srcRowA;
- const GLshort(*rowB)[2] = (const GLshort(*)[2]) srcRowB;
- GLshort(*dst)[2] = (GLshort(*)[2]) dstRow;
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) / 4;
- dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
- }
- }
- else if (datatype == GL_SHORT && comps == 1) {
- GLuint i, j, k;
- const GLshort *rowA = (const GLshort *) srcRowA;
- const GLshort *rowB = (const GLshort *) srcRowB;
- GLshort *dst = (GLshort *) dstRow;
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- dst[i] = (rowA[j] + rowA[k] + rowB[j] + rowB[k]) / 4;
- }
- }
-
- else if (datatype == GL_FLOAT && comps == 4) {
- GLuint i, j, k;
- const GLfloat(*rowA)[4] = (const GLfloat(*)[4]) srcRowA;
- const GLfloat(*rowB)[4] = (const GLfloat(*)[4]) srcRowB;
- GLfloat(*dst)[4] = (GLfloat(*)[4]) dstRow;
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- dst[i][0] = (rowA[j][0] + rowA[k][0] +
- rowB[j][0] + rowB[k][0]) * 0.25F;
- dst[i][1] = (rowA[j][1] + rowA[k][1] +
- rowB[j][1] + rowB[k][1]) * 0.25F;
- dst[i][2] = (rowA[j][2] + rowA[k][2] +
- rowB[j][2] + rowB[k][2]) * 0.25F;
- dst[i][3] = (rowA[j][3] + rowA[k][3] +
- rowB[j][3] + rowB[k][3]) * 0.25F;
- }
- }
- else if (datatype == GL_FLOAT && comps == 3) {
- GLuint i, j, k;
- const GLfloat(*rowA)[3] = (const GLfloat(*)[3]) srcRowA;
- const GLfloat(*rowB)[3] = (const GLfloat(*)[3]) srcRowB;
- GLfloat(*dst)[3] = (GLfloat(*)[3]) dstRow;
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- dst[i][0] = (rowA[j][0] + rowA[k][0] +
- rowB[j][0] + rowB[k][0]) * 0.25F;
- dst[i][1] = (rowA[j][1] + rowA[k][1] +
- rowB[j][1] + rowB[k][1]) * 0.25F;
- dst[i][2] = (rowA[j][2] + rowA[k][2] +
- rowB[j][2] + rowB[k][2]) * 0.25F;
- }
- }
- else if (datatype == GL_FLOAT && comps == 2) {
- GLuint i, j, k;
- const GLfloat(*rowA)[2] = (const GLfloat(*)[2]) srcRowA;
- const GLfloat(*rowB)[2] = (const GLfloat(*)[2]) srcRowB;
- GLfloat(*dst)[2] = (GLfloat(*)[2]) dstRow;
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- dst[i][0] = (rowA[j][0] + rowA[k][0] +
- rowB[j][0] + rowB[k][0]) * 0.25F;
- dst[i][1] = (rowA[j][1] + rowA[k][1] +
- rowB[j][1] + rowB[k][1]) * 0.25F;
- }
- }
- else if (datatype == GL_FLOAT && comps == 1) {
- GLuint i, j, k;
- const GLfloat *rowA = (const GLfloat *) srcRowA;
- const GLfloat *rowB = (const GLfloat *) srcRowB;
- GLfloat *dst = (GLfloat *) dstRow;
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- dst[i] = (rowA[j] + rowA[k] + rowB[j] + rowB[k]) * 0.25F;
- }
- }
-
- else if (datatype == GL_HALF_FLOAT_ARB && comps == 4) {
- GLuint i, j, k, comp;
- const GLhalfARB(*rowA)[4] = (const GLhalfARB(*)[4]) srcRowA;
- const GLhalfARB(*rowB)[4] = (const GLhalfARB(*)[4]) srcRowB;
- GLhalfARB(*dst)[4] = (GLhalfARB(*)[4]) dstRow;
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- for (comp = 0; comp < 4; comp++) {
- GLfloat aj, ak, bj, bk;
- aj = _mesa_half_to_float(rowA[j][comp]);
- ak = _mesa_half_to_float(rowA[k][comp]);
- bj = _mesa_half_to_float(rowB[j][comp]);
- bk = _mesa_half_to_float(rowB[k][comp]);
- dst[i][comp] = _mesa_float_to_half((aj + ak + bj + bk) * 0.25F);
- }
- }
- }
- else if (datatype == GL_HALF_FLOAT_ARB && comps == 3) {
- GLuint i, j, k, comp;
- const GLhalfARB(*rowA)[3] = (const GLhalfARB(*)[3]) srcRowA;
- const GLhalfARB(*rowB)[3] = (const GLhalfARB(*)[3]) srcRowB;
- GLhalfARB(*dst)[3] = (GLhalfARB(*)[3]) dstRow;
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- for (comp = 0; comp < 3; comp++) {
- GLfloat aj, ak, bj, bk;
- aj = _mesa_half_to_float(rowA[j][comp]);
- ak = _mesa_half_to_float(rowA[k][comp]);
- bj = _mesa_half_to_float(rowB[j][comp]);
- bk = _mesa_half_to_float(rowB[k][comp]);
- dst[i][comp] = _mesa_float_to_half((aj + ak + bj + bk) * 0.25F);
- }
- }
- }
- else if (datatype == GL_HALF_FLOAT_ARB && comps == 2) {
- GLuint i, j, k, comp;
- const GLhalfARB(*rowA)[2] = (const GLhalfARB(*)[2]) srcRowA;
- const GLhalfARB(*rowB)[2] = (const GLhalfARB(*)[2]) srcRowB;
- GLhalfARB(*dst)[2] = (GLhalfARB(*)[2]) dstRow;
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- for (comp = 0; comp < 2; comp++) {
- GLfloat aj, ak, bj, bk;
- aj = _mesa_half_to_float(rowA[j][comp]);
- ak = _mesa_half_to_float(rowA[k][comp]);
- bj = _mesa_half_to_float(rowB[j][comp]);
- bk = _mesa_half_to_float(rowB[k][comp]);
- dst[i][comp] = _mesa_float_to_half((aj + ak + bj + bk) * 0.25F);
- }
- }
- }
- else if (datatype == GL_HALF_FLOAT_ARB && comps == 1) {
- GLuint i, j, k;
- const GLhalfARB *rowA = (const GLhalfARB *) srcRowA;
- const GLhalfARB *rowB = (const GLhalfARB *) srcRowB;
- GLhalfARB *dst = (GLhalfARB *) dstRow;
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- GLfloat aj, ak, bj, bk;
- aj = _mesa_half_to_float(rowA[j]);
- ak = _mesa_half_to_float(rowA[k]);
- bj = _mesa_half_to_float(rowB[j]);
- bk = _mesa_half_to_float(rowB[k]);
- dst[i] = _mesa_float_to_half((aj + ak + bj + bk) * 0.25F);
- }
- }
-
- else if (datatype == GL_UNSIGNED_INT && comps == 1) {
- GLuint i, j, k;
- const GLuint *rowA = (const GLuint *) srcRowA;
- const GLuint *rowB = (const GLuint *) srcRowB;
- GLuint *dst = (GLuint *) dstRow;
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- dst[i] = (GLfloat)(rowA[j] / 4 + rowA[k] / 4 + rowB[j] / 4 + rowB[k] / 4);
- }
- }
-
- else if (datatype == GL_UNSIGNED_SHORT_5_6_5 && comps == 3) {
- GLuint i, j, k;
- const GLushort *rowA = (const GLushort *) srcRowA;
- const GLushort *rowB = (const GLushort *) srcRowB;
- GLushort *dst = (GLushort *) dstRow;
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- const GLint rowAr0 = rowA[j] & 0x1f;
- const GLint rowAr1 = rowA[k] & 0x1f;
- const GLint rowBr0 = rowB[j] & 0x1f;
- const GLint rowBr1 = rowB[k] & 0x1f;
- const GLint rowAg0 = (rowA[j] >> 5) & 0x3f;
- const GLint rowAg1 = (rowA[k] >> 5) & 0x3f;
- const GLint rowBg0 = (rowB[j] >> 5) & 0x3f;
- const GLint rowBg1 = (rowB[k] >> 5) & 0x3f;
- const GLint rowAb0 = (rowA[j] >> 11) & 0x1f;
- const GLint rowAb1 = (rowA[k] >> 11) & 0x1f;
- const GLint rowBb0 = (rowB[j] >> 11) & 0x1f;
- const GLint rowBb1 = (rowB[k] >> 11) & 0x1f;
- const GLint red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 2;
- const GLint green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 2;
- const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 2;
- dst[i] = (blue << 11) | (green << 5) | red;
- }
- }
- else if (datatype == GL_UNSIGNED_SHORT_4_4_4_4 && comps == 4) {
- GLuint i, j, k;
- const GLushort *rowA = (const GLushort *) srcRowA;
- const GLushort *rowB = (const GLushort *) srcRowB;
- GLushort *dst = (GLushort *) dstRow;
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- const GLint rowAr0 = rowA[j] & 0xf;
- const GLint rowAr1 = rowA[k] & 0xf;
- const GLint rowBr0 = rowB[j] & 0xf;
- const GLint rowBr1 = rowB[k] & 0xf;
- const GLint rowAg0 = (rowA[j] >> 4) & 0xf;
- const GLint rowAg1 = (rowA[k] >> 4) & 0xf;
- const GLint rowBg0 = (rowB[j] >> 4) & 0xf;
- const GLint rowBg1 = (rowB[k] >> 4) & 0xf;
- const GLint rowAb0 = (rowA[j] >> 8) & 0xf;
- const GLint rowAb1 = (rowA[k] >> 8) & 0xf;
- const GLint rowBb0 = (rowB[j] >> 8) & 0xf;
- const GLint rowBb1 = (rowB[k] >> 8) & 0xf;
- const GLint rowAa0 = (rowA[j] >> 12) & 0xf;
- const GLint rowAa1 = (rowA[k] >> 12) & 0xf;
- const GLint rowBa0 = (rowB[j] >> 12) & 0xf;
- const GLint rowBa1 = (rowB[k] >> 12) & 0xf;
- const GLint red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 2;
- const GLint green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 2;
- const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 2;
- const GLint alpha = (rowAa0 + rowAa1 + rowBa0 + rowBa1) >> 2;
- dst[i] = (alpha << 12) | (blue << 8) | (green << 4) | red;
- }
- }
- else if (datatype == GL_UNSIGNED_SHORT_1_5_5_5_REV && comps == 4) {
- GLuint i, j, k;
- const GLushort *rowA = (const GLushort *) srcRowA;
- const GLushort *rowB = (const GLushort *) srcRowB;
- GLushort *dst = (GLushort *) dstRow;
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- const GLint rowAr0 = rowA[j] & 0x1f;
- const GLint rowAr1 = rowA[k] & 0x1f;
- const GLint rowBr0 = rowB[j] & 0x1f;
- const GLint rowBr1 = rowB[k] & 0x1f;
- const GLint rowAg0 = (rowA[j] >> 5) & 0x1f;
- const GLint rowAg1 = (rowA[k] >> 5) & 0x1f;
- const GLint rowBg0 = (rowB[j] >> 5) & 0x1f;
- const GLint rowBg1 = (rowB[k] >> 5) & 0x1f;
- const GLint rowAb0 = (rowA[j] >> 10) & 0x1f;
- const GLint rowAb1 = (rowA[k] >> 10) & 0x1f;
- const GLint rowBb0 = (rowB[j] >> 10) & 0x1f;
- const GLint rowBb1 = (rowB[k] >> 10) & 0x1f;
- const GLint rowAa0 = (rowA[j] >> 15) & 0x1;
- const GLint rowAa1 = (rowA[k] >> 15) & 0x1;
- const GLint rowBa0 = (rowB[j] >> 15) & 0x1;
- const GLint rowBa1 = (rowB[k] >> 15) & 0x1;
- const GLint red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 2;
- const GLint green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 2;
- const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 2;
- const GLint alpha = (rowAa0 + rowAa1 + rowBa0 + rowBa1) >> 2;
- dst[i] = (alpha << 15) | (blue << 10) | (green << 5) | red;
- }
- }
- else if (datatype == GL_UNSIGNED_SHORT_5_5_5_1 && comps == 4) {
- GLuint i, j, k;
- const GLushort *rowA = (const GLushort *) srcRowA;
- const GLushort *rowB = (const GLushort *) srcRowB;
- GLushort *dst = (GLushort *) dstRow;
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- const GLint rowAr0 = (rowA[j] >> 11) & 0x1f;
- const GLint rowAr1 = (rowA[k] >> 11) & 0x1f;
- const GLint rowBr0 = (rowB[j] >> 11) & 0x1f;
- const GLint rowBr1 = (rowB[k] >> 11) & 0x1f;
- const GLint rowAg0 = (rowA[j] >> 6) & 0x1f;
- const GLint rowAg1 = (rowA[k] >> 6) & 0x1f;
- const GLint rowBg0 = (rowB[j] >> 6) & 0x1f;
- const GLint rowBg1 = (rowB[k] >> 6) & 0x1f;
- const GLint rowAb0 = (rowA[j] >> 1) & 0x1f;
- const GLint rowAb1 = (rowA[k] >> 1) & 0x1f;
- const GLint rowBb0 = (rowB[j] >> 1) & 0x1f;
- const GLint rowBb1 = (rowB[k] >> 1) & 0x1f;
- const GLint rowAa0 = (rowA[j] & 0x1);
- const GLint rowAa1 = (rowA[k] & 0x1);
- const GLint rowBa0 = (rowB[j] & 0x1);
- const GLint rowBa1 = (rowB[k] & 0x1);
- const GLint red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 2;
- const GLint green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 2;
- const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 2;
- const GLint alpha = (rowAa0 + rowAa1 + rowBa0 + rowBa1) >> 2;
- dst[i] = (red << 11) | (green << 6) | (blue << 1) | alpha;
- }
- }
-
- else if (datatype == GL_UNSIGNED_BYTE_3_3_2 && comps == 3) {
- GLuint i, j, k;
- const GLubyte *rowA = (const GLubyte *) srcRowA;
- const GLubyte *rowB = (const GLubyte *) srcRowB;
- GLubyte *dst = (GLubyte *) dstRow;
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- const GLint rowAr0 = rowA[j] & 0x3;
- const GLint rowAr1 = rowA[k] & 0x3;
- const GLint rowBr0 = rowB[j] & 0x3;
- const GLint rowBr1 = rowB[k] & 0x3;
- const GLint rowAg0 = (rowA[j] >> 2) & 0x7;
- const GLint rowAg1 = (rowA[k] >> 2) & 0x7;
- const GLint rowBg0 = (rowB[j] >> 2) & 0x7;
- const GLint rowBg1 = (rowB[k] >> 2) & 0x7;
- const GLint rowAb0 = (rowA[j] >> 5) & 0x7;
- const GLint rowAb1 = (rowA[k] >> 5) & 0x7;
- const GLint rowBb0 = (rowB[j] >> 5) & 0x7;
- const GLint rowBb1 = (rowB[k] >> 5) & 0x7;
- const GLint red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 2;
- const GLint green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 2;
- const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 2;
- dst[i] = (blue << 5) | (green << 2) | red;
- }
- }
-
- else if (datatype == MESA_UNSIGNED_BYTE_4_4 && comps == 2) {
- GLuint i, j, k;
- const GLubyte *rowA = (const GLubyte *) srcRowA;
- const GLubyte *rowB = (const GLubyte *) srcRowB;
- GLubyte *dst = (GLubyte *) dstRow;
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- const GLint rowAr0 = rowA[j] & 0xf;
- const GLint rowAr1 = rowA[k] & 0xf;
- const GLint rowBr0 = rowB[j] & 0xf;
- const GLint rowBr1 = rowB[k] & 0xf;
- const GLint rowAg0 = (rowA[j] >> 4) & 0xf;
- const GLint rowAg1 = (rowA[k] >> 4) & 0xf;
- const GLint rowBg0 = (rowB[j] >> 4) & 0xf;
- const GLint rowBg1 = (rowB[k] >> 4) & 0xf;
- const GLint r = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 2;
- const GLint g = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 2;
- dst[i] = (g << 4) | r;
- }
- }
-
- else {
- _mesa_problem(NULL, "bad format in do_row()");
- }
-}
-
-
-/**
- * Average together four rows of a source image to produce a single new
- * row in the dest image. It's legal for the two source rows to point
- * to the same data. The source width must be equal to either the
- * dest width or two times the dest width.
- *
- * \param datatype GL pixel type \c GL_UNSIGNED_BYTE, \c GL_UNSIGNED_SHORT,
- * \c GL_FLOAT, etc.
- * \param comps number of components per pixel (1..4)
- * \param srcWidth Width of a row in the source data
- * \param srcRowA Pointer to one of the rows of source data
- * \param srcRowB Pointer to one of the rows of source data
- * \param srcRowC Pointer to one of the rows of source data
- * \param srcRowD Pointer to one of the rows of source data
- * \param dstWidth Width of a row in the destination data
- * \param srcRowA Pointer to the row of destination data
- */
-static void
-do_row_3D(GLenum datatype, GLuint comps, GLint srcWidth,
- const GLvoid *srcRowA, const GLvoid *srcRowB,
- const GLvoid *srcRowC, const GLvoid *srcRowD,
- GLint dstWidth, GLvoid *dstRow)
-{
- const GLuint k0 = (srcWidth == dstWidth) ? 0 : 1;
- const GLuint colStride = (srcWidth == dstWidth) ? 1 : 2;
- GLuint i, j, k;
-
- ASSERT(comps >= 1);
- ASSERT(comps <= 4);
-
- if ((datatype == GL_UNSIGNED_BYTE) && (comps == 4)) {
- DECLARE_ROW_POINTERS(GLubyte, 4);
-
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- FILTER_3D(0);
- FILTER_3D(1);
- FILTER_3D(2);
- FILTER_3D(3);
- }
- }
- else if ((datatype == GL_UNSIGNED_BYTE) && (comps == 3)) {
- DECLARE_ROW_POINTERS(GLubyte, 3);
-
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- FILTER_3D(0);
- FILTER_3D(1);
- FILTER_3D(2);
- }
- }
- else if ((datatype == GL_UNSIGNED_BYTE) && (comps == 2)) {
- DECLARE_ROW_POINTERS(GLubyte, 2);
-
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- FILTER_3D(0);
- FILTER_3D(1);
- }
- }
- else if ((datatype == GL_UNSIGNED_BYTE) && (comps == 1)) {
- DECLARE_ROW_POINTERS(GLubyte, 1);
-
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- FILTER_3D(0);
- }
- }
- else if ((datatype == GL_BYTE) && (comps == 4)) {
- DECLARE_ROW_POINTERS(GLbyte, 4);
-
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- FILTER_3D_SIGNED(0);
- FILTER_3D_SIGNED(1);
- FILTER_3D_SIGNED(2);
- FILTER_3D_SIGNED(3);
- }
- }
- else if ((datatype == GL_BYTE) && (comps == 3)) {
- DECLARE_ROW_POINTERS(GLbyte, 3);
-
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- FILTER_3D_SIGNED(0);
- FILTER_3D_SIGNED(1);
- FILTER_3D_SIGNED(2);
- }
- }
- else if ((datatype == GL_BYTE) && (comps == 2)) {
- DECLARE_ROW_POINTERS(GLbyte, 2);
-
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- FILTER_3D_SIGNED(0);
- FILTER_3D_SIGNED(1);
- }
- }
- else if ((datatype == GL_BYTE) && (comps == 1)) {
- DECLARE_ROW_POINTERS(GLbyte, 1);
-
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- FILTER_3D_SIGNED(0);
- }
- }
- else if ((datatype == GL_UNSIGNED_SHORT) && (comps == 4)) {
- DECLARE_ROW_POINTERS(GLushort, 4);
-
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- FILTER_3D(0);
- FILTER_3D(1);
- FILTER_3D(2);
- FILTER_3D(3);
- }
- }
- else if ((datatype == GL_UNSIGNED_SHORT) && (comps == 3)) {
- DECLARE_ROW_POINTERS(GLushort, 3);
-
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- FILTER_3D(0);
- FILTER_3D(1);
- FILTER_3D(2);
- }
- }
- else if ((datatype == GL_UNSIGNED_SHORT) && (comps == 2)) {
- DECLARE_ROW_POINTERS(GLushort, 2);
-
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- FILTER_3D(0);
- FILTER_3D(1);
- }
- }
- else if ((datatype == GL_UNSIGNED_SHORT) && (comps == 1)) {
- DECLARE_ROW_POINTERS(GLushort, 1);
-
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- FILTER_3D(0);
- }
- }
- else if ((datatype == GL_SHORT) && (comps == 4)) {
- DECLARE_ROW_POINTERS(GLshort, 4);
-
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- FILTER_3D(0);
- FILTER_3D(1);
- FILTER_3D(2);
- FILTER_3D(3);
- }
- }
- else if ((datatype == GL_SHORT) && (comps == 3)) {
- DECLARE_ROW_POINTERS(GLshort, 3);
-
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- FILTER_3D(0);
- FILTER_3D(1);
- FILTER_3D(2);
- }
- }
- else if ((datatype == GL_SHORT) && (comps == 2)) {
- DECLARE_ROW_POINTERS(GLshort, 2);
-
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- FILTER_3D(0);
- FILTER_3D(1);
- }
- }
- else if ((datatype == GL_SHORT) && (comps == 1)) {
- DECLARE_ROW_POINTERS(GLshort, 1);
-
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- FILTER_3D(0);
- }
- }
- else if ((datatype == GL_FLOAT) && (comps == 4)) {
- DECLARE_ROW_POINTERS(GLfloat, 4);
-
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- FILTER_F_3D(0);
- FILTER_F_3D(1);
- FILTER_F_3D(2);
- FILTER_F_3D(3);
- }
- }
- else if ((datatype == GL_FLOAT) && (comps == 3)) {
- DECLARE_ROW_POINTERS(GLfloat, 3);
-
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- FILTER_F_3D(0);
- FILTER_F_3D(1);
- FILTER_F_3D(2);
- }
- }
- else if ((datatype == GL_FLOAT) && (comps == 2)) {
- DECLARE_ROW_POINTERS(GLfloat, 2);
-
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- FILTER_F_3D(0);
- FILTER_F_3D(1);
- }
- }
- else if ((datatype == GL_FLOAT) && (comps == 1)) {
- DECLARE_ROW_POINTERS(GLfloat, 1);
-
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- FILTER_F_3D(0);
- }
- }
- else if ((datatype == GL_HALF_FLOAT_ARB) && (comps == 4)) {
- DECLARE_ROW_POINTERS(GLhalfARB, 4);
-
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- FILTER_HF_3D(0);
- FILTER_HF_3D(1);
- FILTER_HF_3D(2);
- FILTER_HF_3D(3);
- }
- }
- else if ((datatype == GL_HALF_FLOAT_ARB) && (comps == 3)) {
- DECLARE_ROW_POINTERS(GLhalfARB, 4);
-
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- FILTER_HF_3D(0);
- FILTER_HF_3D(1);
- FILTER_HF_3D(2);
- }
- }
- else if ((datatype == GL_HALF_FLOAT_ARB) && (comps == 2)) {
- DECLARE_ROW_POINTERS(GLhalfARB, 4);
-
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- FILTER_HF_3D(0);
- FILTER_HF_3D(1);
- }
- }
- else if ((datatype == GL_HALF_FLOAT_ARB) && (comps == 1)) {
- DECLARE_ROW_POINTERS(GLhalfARB, 4);
-
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- FILTER_HF_3D(0);
- }
- }
- else if ((datatype == GL_UNSIGNED_INT) && (comps == 1)) {
- const GLuint *rowA = (const GLuint *) srcRowA;
- const GLuint *rowB = (const GLuint *) srcRowB;
- const GLuint *rowC = (const GLuint *) srcRowC;
- const GLuint *rowD = (const GLuint *) srcRowD;
- GLfloat *dst = (GLfloat *) dstRow;
-
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- const uint64_t tmp = (((uint64_t) rowA[j] + (uint64_t) rowA[k])
- + ((uint64_t) rowB[j] + (uint64_t) rowB[k])
- + ((uint64_t) rowC[j] + (uint64_t) rowC[k])
- + ((uint64_t) rowD[j] + (uint64_t) rowD[k]));
- dst[i] = (GLfloat)((double) tmp * 0.125);
- }
- }
- else if ((datatype == GL_UNSIGNED_SHORT_5_6_5) && (comps == 3)) {
- DECLARE_ROW_POINTERS0(GLushort);
-
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- const GLint rowAr0 = rowA[j] & 0x1f;
- const GLint rowAr1 = rowA[k] & 0x1f;
- const GLint rowBr0 = rowB[j] & 0x1f;
- const GLint rowBr1 = rowB[k] & 0x1f;
- const GLint rowCr0 = rowC[j] & 0x1f;
- const GLint rowCr1 = rowC[k] & 0x1f;
- const GLint rowDr0 = rowD[j] & 0x1f;
- const GLint rowDr1 = rowD[k] & 0x1f;
- const GLint rowAg0 = (rowA[j] >> 5) & 0x3f;
- const GLint rowAg1 = (rowA[k] >> 5) & 0x3f;
- const GLint rowBg0 = (rowB[j] >> 5) & 0x3f;
- const GLint rowBg1 = (rowB[k] >> 5) & 0x3f;
- const GLint rowCg0 = (rowC[j] >> 5) & 0x3f;
- const GLint rowCg1 = (rowC[k] >> 5) & 0x3f;
- const GLint rowDg0 = (rowD[j] >> 5) & 0x3f;
- const GLint rowDg1 = (rowD[k] >> 5) & 0x3f;
- const GLint rowAb0 = (rowA[j] >> 11) & 0x1f;
- const GLint rowAb1 = (rowA[k] >> 11) & 0x1f;
- const GLint rowBb0 = (rowB[j] >> 11) & 0x1f;
- const GLint rowBb1 = (rowB[k] >> 11) & 0x1f;
- const GLint rowCb0 = (rowC[j] >> 11) & 0x1f;
- const GLint rowCb1 = (rowC[k] >> 11) & 0x1f;
- const GLint rowDb0 = (rowD[j] >> 11) & 0x1f;
- const GLint rowDb1 = (rowD[k] >> 11) & 0x1f;
- const GLint r = FILTER_SUM_3D(rowAr0, rowAr1, rowBr0, rowBr1,
- rowCr0, rowCr1, rowDr0, rowDr1);
- const GLint g = FILTER_SUM_3D(rowAg0, rowAg1, rowBg0, rowBg1,
- rowCg0, rowCg1, rowDg0, rowDg1);
- const GLint b = FILTER_SUM_3D(rowAb0, rowAb1, rowBb0, rowBb1,
- rowCb0, rowCb1, rowDb0, rowDb1);
- dst[i] = (b << 11) | (g << 5) | r;
- }
- }
- else if ((datatype == GL_UNSIGNED_SHORT_4_4_4_4) && (comps == 4)) {
- DECLARE_ROW_POINTERS0(GLushort);
-
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- const GLint rowAr0 = rowA[j] & 0xf;
- const GLint rowAr1 = rowA[k] & 0xf;
- const GLint rowBr0 = rowB[j] & 0xf;
- const GLint rowBr1 = rowB[k] & 0xf;
- const GLint rowCr0 = rowC[j] & 0xf;
- const GLint rowCr1 = rowC[k] & 0xf;
- const GLint rowDr0 = rowD[j] & 0xf;
- const GLint rowDr1 = rowD[k] & 0xf;
- const GLint rowAg0 = (rowA[j] >> 4) & 0xf;
- const GLint rowAg1 = (rowA[k] >> 4) & 0xf;
- const GLint rowBg0 = (rowB[j] >> 4) & 0xf;
- const GLint rowBg1 = (rowB[k] >> 4) & 0xf;
- const GLint rowCg0 = (rowC[j] >> 4) & 0xf;
- const GLint rowCg1 = (rowC[k] >> 4) & 0xf;
- const GLint rowDg0 = (rowD[j] >> 4) & 0xf;
- const GLint rowDg1 = (rowD[k] >> 4) & 0xf;
- const GLint rowAb0 = (rowA[j] >> 8) & 0xf;
- const GLint rowAb1 = (rowA[k] >> 8) & 0xf;
- const GLint rowBb0 = (rowB[j] >> 8) & 0xf;
- const GLint rowBb1 = (rowB[k] >> 8) & 0xf;
- const GLint rowCb0 = (rowC[j] >> 8) & 0xf;
- const GLint rowCb1 = (rowC[k] >> 8) & 0xf;
- const GLint rowDb0 = (rowD[j] >> 8) & 0xf;
- const GLint rowDb1 = (rowD[k] >> 8) & 0xf;
- const GLint rowAa0 = (rowA[j] >> 12) & 0xf;
- const GLint rowAa1 = (rowA[k] >> 12) & 0xf;
- const GLint rowBa0 = (rowB[j] >> 12) & 0xf;
- const GLint rowBa1 = (rowB[k] >> 12) & 0xf;
- const GLint rowCa0 = (rowC[j] >> 12) & 0xf;
- const GLint rowCa1 = (rowC[k] >> 12) & 0xf;
- const GLint rowDa0 = (rowD[j] >> 12) & 0xf;
- const GLint rowDa1 = (rowD[k] >> 12) & 0xf;
- const GLint r = FILTER_SUM_3D(rowAr0, rowAr1, rowBr0, rowBr1,
- rowCr0, rowCr1, rowDr0, rowDr1);
- const GLint g = FILTER_SUM_3D(rowAg0, rowAg1, rowBg0, rowBg1,
- rowCg0, rowCg1, rowDg0, rowDg1);
- const GLint b = FILTER_SUM_3D(rowAb0, rowAb1, rowBb0, rowBb1,
- rowCb0, rowCb1, rowDb0, rowDb1);
- const GLint a = FILTER_SUM_3D(rowAa0, rowAa1, rowBa0, rowBa1,
- rowCa0, rowCa1, rowDa0, rowDa1);
-
- dst[i] = (a << 12) | (b << 8) | (g << 4) | r;
- }
- }
- else if ((datatype == GL_UNSIGNED_SHORT_1_5_5_5_REV) && (comps == 4)) {
- DECLARE_ROW_POINTERS0(GLushort);
-
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- const GLint rowAr0 = rowA[j] & 0x1f;
- const GLint rowAr1 = rowA[k] & 0x1f;
- const GLint rowBr0 = rowB[j] & 0x1f;
- const GLint rowBr1 = rowB[k] & 0x1f;
- const GLint rowCr0 = rowC[j] & 0x1f;
- const GLint rowCr1 = rowC[k] & 0x1f;
- const GLint rowDr0 = rowD[j] & 0x1f;
- const GLint rowDr1 = rowD[k] & 0x1f;
- const GLint rowAg0 = (rowA[j] >> 5) & 0x1f;
- const GLint rowAg1 = (rowA[k] >> 5) & 0x1f;
- const GLint rowBg0 = (rowB[j] >> 5) & 0x1f;
- const GLint rowBg1 = (rowB[k] >> 5) & 0x1f;
- const GLint rowCg0 = (rowC[j] >> 5) & 0x1f;
- const GLint rowCg1 = (rowC[k] >> 5) & 0x1f;
- const GLint rowDg0 = (rowD[j] >> 5) & 0x1f;
- const GLint rowDg1 = (rowD[k] >> 5) & 0x1f;
- const GLint rowAb0 = (rowA[j] >> 10) & 0x1f;
- const GLint rowAb1 = (rowA[k] >> 10) & 0x1f;
- const GLint rowBb0 = (rowB[j] >> 10) & 0x1f;
- const GLint rowBb1 = (rowB[k] >> 10) & 0x1f;
- const GLint rowCb0 = (rowC[j] >> 10) & 0x1f;
- const GLint rowCb1 = (rowC[k] >> 10) & 0x1f;
- const GLint rowDb0 = (rowD[j] >> 10) & 0x1f;
- const GLint rowDb1 = (rowD[k] >> 10) & 0x1f;
- const GLint rowAa0 = (rowA[j] >> 15) & 0x1;
- const GLint rowAa1 = (rowA[k] >> 15) & 0x1;
- const GLint rowBa0 = (rowB[j] >> 15) & 0x1;
- const GLint rowBa1 = (rowB[k] >> 15) & 0x1;
- const GLint rowCa0 = (rowC[j] >> 15) & 0x1;
- const GLint rowCa1 = (rowC[k] >> 15) & 0x1;
- const GLint rowDa0 = (rowD[j] >> 15) & 0x1;
- const GLint rowDa1 = (rowD[k] >> 15) & 0x1;
- const GLint r = FILTER_SUM_3D(rowAr0, rowAr1, rowBr0, rowBr1,
- rowCr0, rowCr1, rowDr0, rowDr1);
- const GLint g = FILTER_SUM_3D(rowAg0, rowAg1, rowBg0, rowBg1,
- rowCg0, rowCg1, rowDg0, rowDg1);
- const GLint b = FILTER_SUM_3D(rowAb0, rowAb1, rowBb0, rowBb1,
- rowCb0, rowCb1, rowDb0, rowDb1);
- const GLint a = FILTER_SUM_3D(rowAa0, rowAa1, rowBa0, rowBa1,
- rowCa0, rowCa1, rowDa0, rowDa1);
-
- dst[i] = (a << 15) | (b << 10) | (g << 5) | r;
- }
- }
- else if ((datatype == GL_UNSIGNED_SHORT_5_5_5_1) && (comps == 4)) {
- DECLARE_ROW_POINTERS0(GLushort);
-
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- const GLint rowAr0 = (rowA[j] >> 11) & 0x1f;
- const GLint rowAr1 = (rowA[k] >> 11) & 0x1f;
- const GLint rowBr0 = (rowB[j] >> 11) & 0x1f;
- const GLint rowBr1 = (rowB[k] >> 11) & 0x1f;
- const GLint rowCr0 = (rowC[j] >> 11) & 0x1f;
- const GLint rowCr1 = (rowC[k] >> 11) & 0x1f;
- const GLint rowDr0 = (rowD[j] >> 11) & 0x1f;
- const GLint rowDr1 = (rowD[k] >> 11) & 0x1f;
- const GLint rowAg0 = (rowA[j] >> 6) & 0x1f;
- const GLint rowAg1 = (rowA[k] >> 6) & 0x1f;
- const GLint rowBg0 = (rowB[j] >> 6) & 0x1f;
- const GLint rowBg1 = (rowB[k] >> 6) & 0x1f;
- const GLint rowCg0 = (rowC[j] >> 6) & 0x1f;
- const GLint rowCg1 = (rowC[k] >> 6) & 0x1f;
- const GLint rowDg0 = (rowD[j] >> 6) & 0x1f;
- const GLint rowDg1 = (rowD[k] >> 6) & 0x1f;
- const GLint rowAb0 = (rowA[j] >> 1) & 0x1f;
- const GLint rowAb1 = (rowA[k] >> 1) & 0x1f;
- const GLint rowBb0 = (rowB[j] >> 1) & 0x1f;
- const GLint rowBb1 = (rowB[k] >> 1) & 0x1f;
- const GLint rowCb0 = (rowC[j] >> 1) & 0x1f;
- const GLint rowCb1 = (rowC[k] >> 1) & 0x1f;
- const GLint rowDb0 = (rowD[j] >> 1) & 0x1f;
- const GLint rowDb1 = (rowD[k] >> 1) & 0x1f;
- const GLint rowAa0 = (rowA[j] & 0x1);
- const GLint rowAa1 = (rowA[k] & 0x1);
- const GLint rowBa0 = (rowB[j] & 0x1);
- const GLint rowBa1 = (rowB[k] & 0x1);
- const GLint rowCa0 = (rowC[j] & 0x1);
- const GLint rowCa1 = (rowC[k] & 0x1);
- const GLint rowDa0 = (rowD[j] & 0x1);
- const GLint rowDa1 = (rowD[k] & 0x1);
- const GLint r = FILTER_SUM_3D(rowAr0, rowAr1, rowBr0, rowBr1,
- rowCr0, rowCr1, rowDr0, rowDr1);
- const GLint g = FILTER_SUM_3D(rowAg0, rowAg1, rowBg0, rowBg1,
- rowCg0, rowCg1, rowDg0, rowDg1);
- const GLint b = FILTER_SUM_3D(rowAb0, rowAb1, rowBb0, rowBb1,
- rowCb0, rowCb1, rowDb0, rowDb1);
- const GLint a = FILTER_SUM_3D(rowAa0, rowAa1, rowBa0, rowBa1,
- rowCa0, rowCa1, rowDa0, rowDa1);
-
- dst[i] = (r << 11) | (g << 6) | (b << 1) | a;
- }
- }
- else if ((datatype == GL_UNSIGNED_BYTE_3_3_2) && (comps == 3)) {
- DECLARE_ROW_POINTERS0(GLubyte);
-
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- const GLint rowAr0 = rowA[j] & 0x3;
- const GLint rowAr1 = rowA[k] & 0x3;
- const GLint rowBr0 = rowB[j] & 0x3;
- const GLint rowBr1 = rowB[k] & 0x3;
- const GLint rowCr0 = rowC[j] & 0x3;
- const GLint rowCr1 = rowC[k] & 0x3;
- const GLint rowDr0 = rowD[j] & 0x3;
- const GLint rowDr1 = rowD[k] & 0x3;
- const GLint rowAg0 = (rowA[j] >> 2) & 0x7;
- const GLint rowAg1 = (rowA[k] >> 2) & 0x7;
- const GLint rowBg0 = (rowB[j] >> 2) & 0x7;
- const GLint rowBg1 = (rowB[k] >> 2) & 0x7;
- const GLint rowCg0 = (rowC[j] >> 2) & 0x7;
- const GLint rowCg1 = (rowC[k] >> 2) & 0x7;
- const GLint rowDg0 = (rowD[j] >> 2) & 0x7;
- const GLint rowDg1 = (rowD[k] >> 2) & 0x7;
- const GLint rowAb0 = (rowA[j] >> 5) & 0x7;
- const GLint rowAb1 = (rowA[k] >> 5) & 0x7;
- const GLint rowBb0 = (rowB[j] >> 5) & 0x7;
- const GLint rowBb1 = (rowB[k] >> 5) & 0x7;
- const GLint rowCb0 = (rowC[j] >> 5) & 0x7;
- const GLint rowCb1 = (rowC[k] >> 5) & 0x7;
- const GLint rowDb0 = (rowD[j] >> 5) & 0x7;
- const GLint rowDb1 = (rowD[k] >> 5) & 0x7;
- const GLint r = FILTER_SUM_3D(rowAr0, rowAr1, rowBr0, rowBr1,
- rowCr0, rowCr1, rowDr0, rowDr1);
- const GLint g = FILTER_SUM_3D(rowAg0, rowAg1, rowBg0, rowBg1,
- rowCg0, rowCg1, rowDg0, rowDg1);
- const GLint b = FILTER_SUM_3D(rowAb0, rowAb1, rowBb0, rowBb1,
- rowCb0, rowCb1, rowDb0, rowDb1);
- dst[i] = (b << 5) | (g << 2) | r;
- }
- }
- else if (datatype == MESA_UNSIGNED_BYTE_4_4 && comps == 2) {
- DECLARE_ROW_POINTERS0(GLubyte);
-
- for (i = j = 0, k = k0; i < (GLuint) dstWidth;
- i++, j += colStride, k += colStride) {
- const GLint rowAr0 = rowA[j] & 0xf;
- const GLint rowAr1 = rowA[k] & 0xf;
- const GLint rowBr0 = rowB[j] & 0xf;
- const GLint rowBr1 = rowB[k] & 0xf;
- const GLint rowCr0 = rowC[j] & 0xf;
- const GLint rowCr1 = rowC[k] & 0xf;
- const GLint rowDr0 = rowD[j] & 0xf;
- const GLint rowDr1 = rowD[k] & 0xf;
- const GLint rowAg0 = (rowA[j] >> 4) & 0xf;
- const GLint rowAg1 = (rowA[k] >> 4) & 0xf;
- const GLint rowBg0 = (rowB[j] >> 4) & 0xf;
- const GLint rowBg1 = (rowB[k] >> 4) & 0xf;
- const GLint rowCg0 = (rowC[j] >> 4) & 0xf;
- const GLint rowCg1 = (rowC[k] >> 4) & 0xf;
- const GLint rowDg0 = (rowD[j] >> 4) & 0xf;
- const GLint rowDg1 = (rowD[k] >> 4) & 0xf;
- const GLint r = FILTER_SUM_3D(rowAr0, rowAr1, rowBr0, rowBr1,
- rowCr0, rowCr1, rowDr0, rowDr1);
- const GLint g = FILTER_SUM_3D(rowAg0, rowAg1, rowBg0, rowBg1,
- rowCg0, rowCg1, rowDg0, rowDg1);
- dst[i] = (g << 4) | r;
- }
- }
- else {
- _mesa_problem(NULL, "bad format in do_row()");
- }
-}
-
-
-/*
- * These functions generate a 1/2-size mipmap image from a source image.
- * Texture borders are handled by copying or averaging the source image's
- * border texels, depending on the scale-down factor.
- */
-
-static void
-make_1d_mipmap(GLenum datatype, GLuint comps, GLint border,
- GLint srcWidth, const GLubyte *srcPtr,
- GLint dstWidth, GLubyte *dstPtr)
-{
- const GLint bpt = bytes_per_pixel(datatype, comps);
- const GLubyte *src;
- GLubyte *dst;
-
- /* skip the border pixel, if any */
- src = srcPtr + border * bpt;
- dst = dstPtr + border * bpt;
-
- /* we just duplicate the input row, kind of hack, saves code */
- do_row(datatype, comps, srcWidth - 2 * border, src, src,
- dstWidth - 2 * border, dst);
-
- if (border) {
- /* copy left-most pixel from source */
- assert(dstPtr);
- assert(srcPtr);
- memcpy(dstPtr, srcPtr, bpt);
- /* copy right-most pixel from source */
- memcpy(dstPtr + (dstWidth - 1) * bpt,
- srcPtr + (srcWidth - 1) * bpt,
- bpt);
- }
-}
-
-
-static void
-make_2d_mipmap(GLenum datatype, GLuint comps, GLint border,
- GLint srcWidth, GLint srcHeight,
- const GLubyte *srcPtr, GLint srcRowStride,
- GLint dstWidth, GLint dstHeight,
- GLubyte *dstPtr, GLint dstRowStride)
-{
- const GLint bpt = bytes_per_pixel(datatype, comps);
- const GLint srcWidthNB = srcWidth - 2 * border; /* sizes w/out border */
- const GLint dstWidthNB = dstWidth - 2 * border;
- const GLint dstHeightNB = dstHeight - 2 * border;
- const GLint srcRowBytes = bpt * srcRowStride;
- const GLint dstRowBytes = bpt * dstRowStride;
- const GLubyte *srcA, *srcB;
- GLubyte *dst;
- GLint row, srcRowStep;
-
- /* Compute src and dst pointers, skipping any border */
- srcA = srcPtr + border * ((srcWidth + 1) * bpt);
- if (srcHeight > 1 && srcHeight > dstHeight) {
- /* sample from two source rows */
- srcB = srcA + srcRowBytes;
- srcRowStep = 2;
- }
- else {
- /* sample from one source row */
- srcB = srcA;
- srcRowStep = 1;
- }
-
- dst = dstPtr + border * ((dstWidth + 1) * bpt);
-
- for (row = 0; row < dstHeightNB; row++) {
- do_row(datatype, comps, srcWidthNB, srcA, srcB,
- dstWidthNB, dst);
- srcA += srcRowStep * srcRowBytes;
- srcB += srcRowStep * srcRowBytes;
- dst += dstRowBytes;
- }
-
- /* This is ugly but probably won't be used much */
- if (border > 0) {
- /* fill in dest border */
- /* lower-left border pixel */
- assert(dstPtr);
- assert(srcPtr);
- memcpy(dstPtr, srcPtr, bpt);
- /* lower-right border pixel */
- memcpy(dstPtr + (dstWidth - 1) * bpt,
- srcPtr + (srcWidth - 1) * bpt, bpt);
- /* upper-left border pixel */
- memcpy(dstPtr + dstWidth * (dstHeight - 1) * bpt,
- srcPtr + srcWidth * (srcHeight - 1) * bpt, bpt);
- /* upper-right border pixel */
- memcpy(dstPtr + (dstWidth * dstHeight - 1) * bpt,
- srcPtr + (srcWidth * srcHeight - 1) * bpt, bpt);
- /* lower border */
- do_row(datatype, comps, srcWidthNB,
- srcPtr + bpt,
- srcPtr + bpt,
- dstWidthNB, dstPtr + bpt);
- /* upper border */
- do_row(datatype, comps, srcWidthNB,
- srcPtr + (srcWidth * (srcHeight - 1) + 1) * bpt,
- srcPtr + (srcWidth * (srcHeight - 1) + 1) * bpt,
- dstWidthNB,
- dstPtr + (dstWidth * (dstHeight - 1) + 1) * bpt);
- /* left and right borders */
- if (srcHeight == dstHeight) {
- /* copy border pixel from src to dst */
- for (row = 1; row < srcHeight; row++) {
- memcpy(dstPtr + dstWidth * row * bpt,
- srcPtr + srcWidth * row * bpt, bpt);
- memcpy(dstPtr + (dstWidth * row + dstWidth - 1) * bpt,
- srcPtr + (srcWidth * row + srcWidth - 1) * bpt, bpt);
- }
- }
- else {
- /* average two src pixels each dest pixel */
- for (row = 0; row < dstHeightNB; row += 2) {
- do_row(datatype, comps, 1,
- srcPtr + (srcWidth * (row * 2 + 1)) * bpt,
- srcPtr + (srcWidth * (row * 2 + 2)) * bpt,
- 1, dstPtr + (dstWidth * row + 1) * bpt);
- do_row(datatype, comps, 1,
- srcPtr + (srcWidth * (row * 2 + 1) + srcWidth - 1) * bpt,
- srcPtr + (srcWidth * (row * 2 + 2) + srcWidth - 1) * bpt,
- 1, dstPtr + (dstWidth * row + 1 + dstWidth - 1) * bpt);
- }
- }
- }
-}
-
-
-static void
-make_3d_mipmap(GLenum datatype, GLuint comps, GLint border,
- GLint srcWidth, GLint srcHeight, GLint srcDepth,
- const GLubyte *srcPtr, GLint srcRowStride,
- GLint dstWidth, GLint dstHeight, GLint dstDepth,
- GLubyte *dstPtr, GLint dstRowStride)
-{
- const GLint bpt = bytes_per_pixel(datatype, comps);
- const GLint srcWidthNB = srcWidth - 2 * border; /* sizes w/out border */
- const GLint srcDepthNB = srcDepth - 2 * border;
- const GLint dstWidthNB = dstWidth - 2 * border;
- const GLint dstHeightNB = dstHeight - 2 * border;
- const GLint dstDepthNB = dstDepth - 2 * border;
- GLint img, row;
- GLint bytesPerSrcImage, bytesPerDstImage;
- GLint bytesPerSrcRow, bytesPerDstRow;
- GLint srcImageOffset, srcRowOffset;
-
- (void) srcDepthNB; /* silence warnings */
-
-
- bytesPerSrcImage = srcWidth * srcHeight * bpt;
- bytesPerDstImage = dstWidth * dstHeight * bpt;
-
- bytesPerSrcRow = srcWidth * bpt;
- bytesPerDstRow = dstWidth * bpt;
-
- /* Offset between adjacent src images to be averaged together */
- srcImageOffset = (srcDepth == dstDepth) ? 0 : bytesPerSrcImage;
-
- /* Offset between adjacent src rows to be averaged together */
- srcRowOffset = (srcHeight == dstHeight) ? 0 : srcWidth * bpt;
-
- /*
- * Need to average together up to 8 src pixels for each dest pixel.
- * Break that down into 3 operations:
- * 1. take two rows from source image and average them together.
- * 2. take two rows from next source image and average them together.
- * 3. take the two averaged rows and average them for the final dst row.
- */
-
- /*
- printf("mip3d %d x %d x %d -> %d x %d x %d\n",
- srcWidth, srcHeight, srcDepth, dstWidth, dstHeight, dstDepth);
- */
-
- for (img = 0; img < dstDepthNB; img++) {
- /* first source image pointer, skipping border */
- const GLubyte *imgSrcA = srcPtr
- + (bytesPerSrcImage + bytesPerSrcRow + border) * bpt * border
- + img * (bytesPerSrcImage + srcImageOffset);
- /* second source image pointer, skipping border */
- const GLubyte *imgSrcB = imgSrcA + srcImageOffset;
- /* address of the dest image, skipping border */
- GLubyte *imgDst = dstPtr
- + (bytesPerDstImage + bytesPerDstRow + border) * bpt * border
- + img * bytesPerDstImage;
-
- /* setup the four source row pointers and the dest row pointer */
- const GLubyte *srcImgARowA = imgSrcA;
- const GLubyte *srcImgARowB = imgSrcA + srcRowOffset;
- const GLubyte *srcImgBRowA = imgSrcB;
- const GLubyte *srcImgBRowB = imgSrcB + srcRowOffset;
- GLubyte *dstImgRow = imgDst;
-
- for (row = 0; row < dstHeightNB; row++) {
- do_row_3D(datatype, comps, srcWidthNB,
- srcImgARowA, srcImgARowB,
- srcImgBRowA, srcImgBRowB,
- dstWidthNB, dstImgRow);
-
- /* advance to next rows */
- srcImgARowA += bytesPerSrcRow + srcRowOffset;
- srcImgARowB += bytesPerSrcRow + srcRowOffset;
- srcImgBRowA += bytesPerSrcRow + srcRowOffset;
- srcImgBRowB += bytesPerSrcRow + srcRowOffset;
- dstImgRow += bytesPerDstRow;
- }
- }
-
-
- /* Luckily we can leverage the make_2d_mipmap() function here! */
- if (border > 0) {
- /* do front border image */
- make_2d_mipmap(datatype, comps, 1, srcWidth, srcHeight, srcPtr, srcRowStride,
- dstWidth, dstHeight, dstPtr, dstRowStride);
- /* do back border image */
- make_2d_mipmap(datatype, comps, 1, srcWidth, srcHeight,
- srcPtr + bytesPerSrcImage * (srcDepth - 1), srcRowStride,
- dstWidth, dstHeight,
- dstPtr + bytesPerDstImage * (dstDepth - 1), dstRowStride);
- /* do four remaining border edges that span the image slices */
- if (srcDepth == dstDepth) {
- /* just copy border pixels from src to dst */
- for (img = 0; img < dstDepthNB; img++) {
- const GLubyte *src;
- GLubyte *dst;
-
- /* do border along [img][row=0][col=0] */
- src = srcPtr + (img + 1) * bytesPerSrcImage;
- dst = dstPtr + (img + 1) * bytesPerDstImage;
- memcpy(dst, src, bpt);
-
- /* do border along [img][row=dstHeight-1][col=0] */
- src = srcPtr + (img * 2 + 1) * bytesPerSrcImage
- + (srcHeight - 1) * bytesPerSrcRow;
- dst = dstPtr + (img + 1) * bytesPerDstImage
- + (dstHeight - 1) * bytesPerDstRow;
- memcpy(dst, src, bpt);
-
- /* do border along [img][row=0][col=dstWidth-1] */
- src = srcPtr + (img * 2 + 1) * bytesPerSrcImage
- + (srcWidth - 1) * bpt;
- dst = dstPtr + (img + 1) * bytesPerDstImage
- + (dstWidth - 1) * bpt;
- memcpy(dst, src, bpt);
-
- /* do border along [img][row=dstHeight-1][col=dstWidth-1] */
- src = srcPtr + (img * 2 + 1) * bytesPerSrcImage
- + (bytesPerSrcImage - bpt);
- dst = dstPtr + (img + 1) * bytesPerDstImage
- + (bytesPerDstImage - bpt);
- memcpy(dst, src, bpt);
- }
- }
- else {
- /* average border pixels from adjacent src image pairs */
- ASSERT(srcDepthNB == 2 * dstDepthNB);
- for (img = 0; img < dstDepthNB; img++) {
- const GLubyte *src;
- GLubyte *dst;
-
- /* do border along [img][row=0][col=0] */
- src = srcPtr + (img * 2 + 1) * bytesPerSrcImage;
- dst = dstPtr + (img + 1) * bytesPerDstImage;
- do_row(datatype, comps, 1, src, src + srcImageOffset, 1, dst);
-
- /* do border along [img][row=dstHeight-1][col=0] */
- src = srcPtr + (img * 2 + 1) * bytesPerSrcImage
- + (srcHeight - 1) * bytesPerSrcRow;
- dst = dstPtr + (img + 1) * bytesPerDstImage
- + (dstHeight - 1) * bytesPerDstRow;
- do_row(datatype, comps, 1, src, src + srcImageOffset, 1, dst);
-
- /* do border along [img][row=0][col=dstWidth-1] */
- src = srcPtr + (img * 2 + 1) * bytesPerSrcImage
- + (srcWidth - 1) * bpt;
- dst = dstPtr + (img + 1) * bytesPerDstImage
- + (dstWidth - 1) * bpt;
- do_row(datatype, comps, 1, src, src + srcImageOffset, 1, dst);
-
- /* do border along [img][row=dstHeight-1][col=dstWidth-1] */
- src = srcPtr + (img * 2 + 1) * bytesPerSrcImage
- + (bytesPerSrcImage - bpt);
- dst = dstPtr + (img + 1) * bytesPerDstImage
- + (bytesPerDstImage - bpt);
- do_row(datatype, comps, 1, src, src + srcImageOffset, 1, dst);
- }
- }
- }
-}
-
-
-static void
-make_1d_stack_mipmap(GLenum datatype, GLuint comps, GLint border,
- GLint srcWidth, const GLubyte *srcPtr, GLuint srcRowStride,
- GLint dstWidth, GLint dstHeight,
- GLubyte *dstPtr, GLuint dstRowStride )
-{
- const GLint bpt = bytes_per_pixel(datatype, comps);
- const GLint srcWidthNB = srcWidth - 2 * border; /* sizes w/out border */
- const GLint dstWidthNB = dstWidth - 2 * border;
- const GLint dstHeightNB = dstHeight - 2 * border;
- const GLint srcRowBytes = bpt * srcRowStride;
- const GLint dstRowBytes = bpt * dstRowStride;
- const GLubyte *src;
- GLubyte *dst;
- GLint row;
-
- /* Compute src and dst pointers, skipping any border */
- src = srcPtr + border * ((srcWidth + 1) * bpt);
- dst = dstPtr + border * ((dstWidth + 1) * bpt);
-
- for (row = 0; row < dstHeightNB; row++) {
- do_row(datatype, comps, srcWidthNB, src, src,
- dstWidthNB, dst);
- src += srcRowBytes;
- dst += dstRowBytes;
- }
-
- if (border) {
- /* copy left-most pixel from source */
- assert(dstPtr);
- assert(srcPtr);
- memcpy(dstPtr, srcPtr, bpt);
- /* copy right-most pixel from source */
- memcpy(dstPtr + (dstWidth - 1) * bpt,
- srcPtr + (srcWidth - 1) * bpt,
- bpt);
- }
-}
-
-
-/**
- * \bug
- * There is quite a bit of refactoring that could be done with this function
- * and \c make_2d_mipmap.
- */
-static void
-make_2d_stack_mipmap(GLenum datatype, GLuint comps, GLint border,
- GLint srcWidth, GLint srcHeight,
- const GLubyte *srcPtr, GLint srcRowStride,
- GLint dstWidth, GLint dstHeight, GLint dstDepth,
- GLubyte *dstPtr, GLint dstRowStride)
-{
- const GLint bpt = bytes_per_pixel(datatype, comps);
- const GLint srcWidthNB = srcWidth - 2 * border; /* sizes w/out border */
- const GLint dstWidthNB = dstWidth - 2 * border;
- const GLint dstHeightNB = dstHeight - 2 * border;
- const GLint dstDepthNB = dstDepth - 2 * border;
- const GLint srcRowBytes = bpt * srcRowStride;
- const GLint dstRowBytes = bpt * dstRowStride;
- const GLubyte *srcA, *srcB;
- GLubyte *dst;
- GLint layer;
- GLint row;
-
- /* Compute src and dst pointers, skipping any border */
- srcA = srcPtr + border * ((srcWidth + 1) * bpt);
- if (srcHeight > 1)
- srcB = srcA + srcRowBytes;
- else
- srcB = srcA;
- dst = dstPtr + border * ((dstWidth + 1) * bpt);
-
- for (layer = 0; layer < dstDepthNB; layer++) {
- for (row = 0; row < dstHeightNB; row++) {
- do_row(datatype, comps, srcWidthNB, srcA, srcB,
- dstWidthNB, dst);
- srcA += 2 * srcRowBytes;
- srcB += 2 * srcRowBytes;
- dst += dstRowBytes;
- }
-
- /* This is ugly but probably won't be used much */
- if (border > 0) {
- /* fill in dest border */
- /* lower-left border pixel */
- assert(dstPtr);
- assert(srcPtr);
- memcpy(dstPtr, srcPtr, bpt);
- /* lower-right border pixel */
- memcpy(dstPtr + (dstWidth - 1) * bpt,
- srcPtr + (srcWidth - 1) * bpt, bpt);
- /* upper-left border pixel */
- memcpy(dstPtr + dstWidth * (dstHeight - 1) * bpt,
- srcPtr + srcWidth * (srcHeight - 1) * bpt, bpt);
- /* upper-right border pixel */
- memcpy(dstPtr + (dstWidth * dstHeight - 1) * bpt,
- srcPtr + (srcWidth * srcHeight - 1) * bpt, bpt);
- /* lower border */
- do_row(datatype, comps, srcWidthNB,
- srcPtr + bpt,
- srcPtr + bpt,
- dstWidthNB, dstPtr + bpt);
- /* upper border */
- do_row(datatype, comps, srcWidthNB,
- srcPtr + (srcWidth * (srcHeight - 1) + 1) * bpt,
- srcPtr + (srcWidth * (srcHeight - 1) + 1) * bpt,
- dstWidthNB,
- dstPtr + (dstWidth * (dstHeight - 1) + 1) * bpt);
- /* left and right borders */
- if (srcHeight == dstHeight) {
- /* copy border pixel from src to dst */
- for (row = 1; row < srcHeight; row++) {
- memcpy(dstPtr + dstWidth * row * bpt,
- srcPtr + srcWidth * row * bpt, bpt);
- memcpy(dstPtr + (dstWidth * row + dstWidth - 1) * bpt,
- srcPtr + (srcWidth * row + srcWidth - 1) * bpt, bpt);
- }
- }
- else {
- /* average two src pixels each dest pixel */
- for (row = 0; row < dstHeightNB; row += 2) {
- do_row(datatype, comps, 1,
- srcPtr + (srcWidth * (row * 2 + 1)) * bpt,
- srcPtr + (srcWidth * (row * 2 + 2)) * bpt,
- 1, dstPtr + (dstWidth * row + 1) * bpt);
- do_row(datatype, comps, 1,
- srcPtr + (srcWidth * (row * 2 + 1) + srcWidth - 1) * bpt,
- srcPtr + (srcWidth * (row * 2 + 2) + srcWidth - 1) * bpt,
- 1, dstPtr + (dstWidth * row + 1 + dstWidth - 1) * bpt);
- }
- }
- }
- }
-}
-
-
-/**
- * Down-sample a texture image to produce the next lower mipmap level.
- * \param comps components per texel (1, 2, 3 or 4)
- * \param srcRowStride stride between source rows, in texels
- * \param dstRowStride stride between destination rows, in texels
- */
-void
-_mesa_generate_mipmap_level(GLenum target,
- GLenum datatype, GLuint comps,
- GLint border,
- GLint srcWidth, GLint srcHeight, GLint srcDepth,
- const GLubyte *srcData,
- GLint srcRowStride,
- GLint dstWidth, GLint dstHeight, GLint dstDepth,
- GLubyte *dstData,
- GLint dstRowStride)
-{
- /*
- * We use simple 2x2 averaging to compute the next mipmap level.
- */
- switch (target) {
- case GL_TEXTURE_1D:
- make_1d_mipmap(datatype, comps, border,
- srcWidth, srcData,
- dstWidth, dstData);
- break;
- case GL_TEXTURE_2D:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
- make_2d_mipmap(datatype, comps, border,
- srcWidth, srcHeight, srcData, srcRowStride,
- dstWidth, dstHeight, dstData, dstRowStride);
- break;
- case GL_TEXTURE_3D:
- make_3d_mipmap(datatype, comps, border,
- srcWidth, srcHeight, srcDepth,
- srcData, srcRowStride,
- dstWidth, dstHeight, dstDepth,
- dstData, dstRowStride);
- break;
- case GL_TEXTURE_1D_ARRAY_EXT:
- make_1d_stack_mipmap(datatype, comps, border,
- srcWidth, srcData, srcRowStride,
- dstWidth, dstHeight,
- dstData, dstRowStride);
- break;
- case GL_TEXTURE_2D_ARRAY_EXT:
- make_2d_stack_mipmap(datatype, comps, border,
- srcWidth, srcHeight,
- srcData, srcRowStride,
- dstWidth, dstHeight,
- dstDepth, dstData, dstRowStride);
- break;
- case GL_TEXTURE_RECTANGLE_NV:
- /* no mipmaps, do nothing */
- break;
- default:
- _mesa_problem(NULL, "bad dimensions in _mesa_generate_mipmaps");
- return;
- }
-}
-
-
-/**
- * compute next (level+1) image size
- * \return GL_FALSE if no smaller size can be generated (eg. src is 1x1x1 size)
- */
-static GLboolean
-next_mipmap_level_size(GLenum target, GLint border,
- GLint srcWidth, GLint srcHeight, GLint srcDepth,
- GLint *dstWidth, GLint *dstHeight, GLint *dstDepth)
-{
- if (srcWidth - 2 * border > 1) {
- *dstWidth = (srcWidth - 2 * border) / 2 + 2 * border;
- }
- else {
- *dstWidth = srcWidth; /* can't go smaller */
- }
-
- if ((srcHeight - 2 * border > 1) &&
- (target != GL_TEXTURE_1D_ARRAY_EXT)) {
- *dstHeight = (srcHeight - 2 * border) / 2 + 2 * border;
- }
- else {
- *dstHeight = srcHeight; /* can't go smaller */
- }
-
- if ((srcDepth - 2 * border > 1) &&
- (target != GL_TEXTURE_2D_ARRAY_EXT)) {
- *dstDepth = (srcDepth - 2 * border) / 2 + 2 * border;
- }
- else {
- *dstDepth = srcDepth; /* can't go smaller */
- }
-
- if (*dstWidth == srcWidth &&
- *dstHeight == srcHeight &&
- *dstDepth == srcDepth) {
- return GL_FALSE;
- }
- else {
- return GL_TRUE;
- }
-}
-
-
-
-
-/**
- * Automatic mipmap generation.
- * This is the fallback/default function for ctx->Driver.GenerateMipmap().
- * Generate a complete set of mipmaps from texObj's BaseLevel image.
- * Stop at texObj's MaxLevel or when we get to the 1x1 texture.
- * For cube maps, target will be one of
- * GL_TEXTURE_CUBE_MAP_POSITIVE/NEGATIVE_X/Y/Z; never GL_TEXTURE_CUBE_MAP.
- */
-void
-_mesa_generate_mipmap(struct gl_context *ctx, GLenum target,
- struct gl_texture_object *texObj)
-{
- const struct gl_texture_image *srcImage;
- gl_format convertFormat;
- const GLubyte *srcData = NULL;
- GLubyte *dstData = NULL;
- GLint level, maxLevels;
- GLenum datatype;
- GLuint comps;
-
- ASSERT(texObj);
- srcImage = _mesa_select_tex_image(ctx, texObj, target, texObj->BaseLevel);
- ASSERT(srcImage);
-
- maxLevels = _mesa_max_texture_levels(ctx, texObj->Target);
- ASSERT(maxLevels > 0); /* bad target */
-
- /* Find convertFormat - the format that do_row() will process */
-
- if (_mesa_is_format_compressed(srcImage->TexFormat)) {
- /* setup for compressed textures - need to allocate temporary
- * image buffers to hold uncompressed images.
- */
- GLuint row;
- GLint components, size;
- GLchan *dst;
-
- assert(texObj->Target == GL_TEXTURE_2D ||
- texObj->Target == GL_TEXTURE_CUBE_MAP_ARB);
-
- if (srcImage->_BaseFormat == GL_RGB) {
- convertFormat = MESA_FORMAT_RGB888;
- components = 3;
- } else if (srcImage->_BaseFormat == GL_RED) {
- convertFormat = MESA_FORMAT_R8;
- components = 1;
- } else if (srcImage->_BaseFormat == GL_RG) {
- convertFormat = MESA_FORMAT_RG88;
- components = 2;
- } else if (srcImage->_BaseFormat == GL_RGBA) {
- convertFormat = MESA_FORMAT_RGBA8888;
- components = 4;
- } else if (srcImage->_BaseFormat == GL_LUMINANCE) {
- convertFormat = MESA_FORMAT_L8;
- components = 1;
- } else if (srcImage->_BaseFormat == GL_LUMINANCE_ALPHA) {
- convertFormat = MESA_FORMAT_AL88;
- components = 2;
- } else {
- _mesa_problem(ctx, "bad srcImage->_BaseFormat in _mesa_generate_mipmaps");
- return;
- }
-
- /* allocate storage for uncompressed GL_RGB or GL_RGBA images */
- size = _mesa_bytes_per_pixel(srcImage->_BaseFormat, CHAN_TYPE)
- * srcImage->Width * srcImage->Height * srcImage->Depth + 20;
- /* 20 extra bytes, just be safe when calling last FetchTexel */
- srcData = (GLubyte *) malloc(size);
- if (!srcData) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "generate mipmaps");
- return;
- }
- dstData = (GLubyte *) malloc(size / 2); /* 1/4 would probably be OK */
- if (!dstData) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "generate mipmaps");
- free((void *) srcData);
- return;
- }
-
- /* decompress base image here */
- dst = (GLchan *) srcData;
- for (row = 0; row < srcImage->Height; row++) {
- GLuint col;
- for (col = 0; col < srcImage->Width; col++) {
- srcImage->FetchTexelc(srcImage, col, row, 0, dst);
- dst += components;
- }
- }
- }
- else {
- /* uncompressed */
- convertFormat = srcImage->TexFormat;
- }
-
- _mesa_format_to_type_and_comps(convertFormat, &datatype, &comps);
-
- for (level = texObj->BaseLevel; level < texObj->MaxLevel
- && level < maxLevels - 1; level++) {
- /* generate image[level+1] from image[level] */
- const struct gl_texture_image *srcImage;
- struct gl_texture_image *dstImage;
- GLint srcWidth, srcHeight, srcDepth;
- GLint dstWidth, dstHeight, dstDepth;
- GLint border;
- GLboolean nextLevel;
-
- /* get src image parameters */
- srcImage = _mesa_select_tex_image(ctx, texObj, target, level);
- ASSERT(srcImage);
- srcWidth = srcImage->Width;
- srcHeight = srcImage->Height;
- srcDepth = srcImage->Depth;
- border = srcImage->Border;
-
- nextLevel = next_mipmap_level_size(target, border,
- srcWidth, srcHeight, srcDepth,
- &dstWidth, &dstHeight, &dstDepth);
- if (!nextLevel) {
- /* all done */
- if (_mesa_is_format_compressed(srcImage->TexFormat)) {
- free((void *) srcData);
- free(dstData);
- }
- return;
- }
-
- /* get dest gl_texture_image */
- dstImage = _mesa_get_tex_image(ctx, texObj, target, level + 1);
- if (!dstImage) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "generating mipmaps");
- return;
- }
-
- /* Free old image data */
- if (dstImage->Data)
- ctx->Driver.FreeTexImageData(ctx, dstImage);
-
- /* initialize new image */
- _mesa_init_teximage_fields(ctx, target, dstImage, dstWidth, dstHeight,
- dstDepth, border, srcImage->InternalFormat,
- srcImage->TexFormat);
- dstImage->DriverData = NULL;
- dstImage->FetchTexelc = srcImage->FetchTexelc;
- dstImage->FetchTexelf = srcImage->FetchTexelf;
-
- /* Alloc new teximage data buffer */
- {
- GLuint size = _mesa_format_image_size(dstImage->TexFormat,
- dstWidth, dstHeight, dstDepth);
- dstImage->Data = _mesa_alloc_texmemory(size);
- if (!dstImage->Data) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "generating mipmaps");
- return;
- }
- }
-
- /* Setup src and dest data pointers */
- if (_mesa_is_format_compressed(dstImage->TexFormat)) {
- /* srcData and dstData are already set */
- ASSERT(srcData);
- ASSERT(dstData);
- }
- else {
- srcData = (const GLubyte *) srcImage->Data;
- dstData = (GLubyte *) dstImage->Data;
- }
-
- ASSERT(dstImage->TexFormat);
- ASSERT(dstImage->FetchTexelc);
- ASSERT(dstImage->FetchTexelf);
-
- _mesa_generate_mipmap_level(target, datatype, comps, border,
- srcWidth, srcHeight, srcDepth,
- srcData, srcImage->RowStride,
- dstWidth, dstHeight, dstDepth,
- dstData, dstImage->RowStride);
-
-
- if (_mesa_is_format_compressed(dstImage->TexFormat)) {
- GLubyte *temp;
- /* compress image from dstData into dstImage->Data */
- const GLenum srcFormat = _mesa_get_format_base_format(convertFormat);
- GLint dstRowStride
- = _mesa_format_row_stride(dstImage->TexFormat, dstWidth);
- ASSERT(srcFormat == GL_RGB || srcFormat == GL_RGBA);
-
- _mesa_texstore(ctx, 2, dstImage->_BaseFormat,
- dstImage->TexFormat,
- dstImage->Data,
- 0, 0, 0, /* dstX/Y/Zoffset */
- dstRowStride, 0, /* strides */
- dstWidth, dstHeight, 1, /* size */
- srcFormat, CHAN_TYPE,
- dstData, /* src data, actually */
- &ctx->DefaultPacking);
-
- /* swap src and dest pointers */
- temp = (GLubyte *) srcData;
- srcData = dstData;
- dstData = temp;
- }
-
- } /* loop over mipmap levels */
-}
-
-
-/**
- * Helper function for drivers which need to rescale texture images to
- * certain aspect ratios.
- * Nearest filtering only (for broken hardware that can't support
- * all aspect ratios). This can be made a lot faster, but I don't
- * really care enough...
- */
-void
-_mesa_rescale_teximage2d(GLuint bytesPerPixel,
- GLuint srcStrideInPixels,
- GLuint dstRowStride,
- GLint srcWidth, GLint srcHeight,
- GLint dstWidth, GLint dstHeight,
- const GLvoid *srcImage, GLvoid *dstImage)
-{
- GLint row, col;
-
-#define INNER_LOOP( TYPE, HOP, WOP ) \
- for ( row = 0 ; row < dstHeight ; row++ ) { \
- GLint srcRow = row HOP hScale; \
- for ( col = 0 ; col < dstWidth ; col++ ) { \
- GLint srcCol = col WOP wScale; \
- dst[col] = src[srcRow * srcStrideInPixels + srcCol]; \
- } \
- dst = (TYPE *) ((GLubyte *) dst + dstRowStride); \
- } \
-
-#define RESCALE_IMAGE( TYPE ) \
-do { \
- const TYPE *src = (const TYPE *)srcImage; \
- TYPE *dst = (TYPE *)dstImage; \
- \
- if ( srcHeight < dstHeight ) { \
- const GLint hScale = dstHeight / srcHeight; \
- if ( srcWidth < dstWidth ) { \
- const GLint wScale = dstWidth / srcWidth; \
- INNER_LOOP( TYPE, /, / ); \
- } \
- else { \
- const GLint wScale = srcWidth / dstWidth; \
- INNER_LOOP( TYPE, /, * ); \
- } \
- } \
- else { \
- const GLint hScale = srcHeight / dstHeight; \
- if ( srcWidth < dstWidth ) { \
- const GLint wScale = dstWidth / srcWidth; \
- INNER_LOOP( TYPE, *, / ); \
- } \
- else { \
- const GLint wScale = srcWidth / dstWidth; \
- INNER_LOOP( TYPE, *, * ); \
- } \
- } \
-} while (0)
-
- switch ( bytesPerPixel ) {
- case 4:
- RESCALE_IMAGE( GLuint );
- break;
-
- case 2:
- RESCALE_IMAGE( GLushort );
- break;
-
- case 1:
- RESCALE_IMAGE( GLubyte );
- break;
- default:
- _mesa_problem(NULL,"unexpected bytes/pixel in _mesa_rescale_teximage2d");
- }
-}
-
-
-/**
- * Upscale an image by replication, not (typical) stretching.
- * We use this when the image width or height is less than a
- * certain size (4, 8) and we need to upscale an image.
- */
-void
-_mesa_upscale_teximage2d(GLsizei inWidth, GLsizei inHeight,
- GLsizei outWidth, GLsizei outHeight,
- GLint comps, const GLchan *src, GLint srcRowStride,
- GLchan *dest )
-{
- GLint i, j, k;
-
- ASSERT(outWidth >= inWidth);
- ASSERT(outHeight >= inHeight);
-#if 0
- ASSERT(inWidth == 1 || inWidth == 2 || inHeight == 1 || inHeight == 2);
- ASSERT((outWidth & 3) == 0);
- ASSERT((outHeight & 3) == 0);
-#endif
-
- for (i = 0; i < outHeight; i++) {
- const GLint ii = i % inHeight;
- for (j = 0; j < outWidth; j++) {
- const GLint jj = j % inWidth;
- for (k = 0; k < comps; k++) {
- dest[(i * outWidth + j) * comps + k]
- = src[ii * srcRowStride + jj * comps + k];
- }
- }
- }
-}
-
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.1
+ *
+ * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/**
+ * \file mipmap.c mipmap generation and teximage resizing functions.
+ */
+
+#include "imports.h"
+#include "formats.h"
+#include "mipmap.h"
+#include "mtypes.h"
+#include "teximage.h"
+#include "texstore.h"
+#include "image.h"
+
+
+
+static GLint
+bytes_per_pixel(GLenum datatype, GLuint comps)
+{
+ GLint b = _mesa_sizeof_packed_type(datatype);
+ assert(b >= 0);
+
+ if (_mesa_type_is_packed(datatype))
+ return b;
+ else
+ return b * comps;
+}
+
+
+/**
+ * \name Support macros for do_row and do_row_3d
+ *
+ * The macro madness is here for two reasons. First, it compacts the code
+ * slightly. Second, it makes it much easier to adjust the specifics of the
+ * filter to tune the rounding characteristics.
+ */
+/*@{*/
+#define DECLARE_ROW_POINTERS(t, e) \
+ const t(*rowA)[e] = (const t(*)[e]) srcRowA; \
+ const t(*rowB)[e] = (const t(*)[e]) srcRowB; \
+ const t(*rowC)[e] = (const t(*)[e]) srcRowC; \
+ const t(*rowD)[e] = (const t(*)[e]) srcRowD; \
+ t(*dst)[e] = (t(*)[e]) dstRow
+
+#define DECLARE_ROW_POINTERS0(t) \
+ const t *rowA = (const t *) srcRowA; \
+ const t *rowB = (const t *) srcRowB; \
+ const t *rowC = (const t *) srcRowC; \
+ const t *rowD = (const t *) srcRowD; \
+ t *dst = (t *) dstRow
+
+#define FILTER_SUM_3D(Aj, Ak, Bj, Bk, Cj, Ck, Dj, Dk) \
+ ((unsigned) Aj + (unsigned) Ak \
+ + (unsigned) Bj + (unsigned) Bk \
+ + (unsigned) Cj + (unsigned) Ck \
+ + (unsigned) Dj + (unsigned) Dk \
+ + 4) >> 3
+
+#define FILTER_3D(e) \
+ do { \
+ dst[i][e] = FILTER_SUM_3D(rowA[j][e], rowA[k][e], \
+ rowB[j][e], rowB[k][e], \
+ rowC[j][e], rowC[k][e], \
+ rowD[j][e], rowD[k][e]); \
+ } while(0)
+
+#define FILTER_SUM_3D_SIGNED(Aj, Ak, Bj, Bk, Cj, Ck, Dj, Dk) \
+ (Aj + Ak \
+ + Bj + Bk \
+ + Cj + Ck \
+ + Dj + Dk \
+ + 4) / 8
+
+#define FILTER_3D_SIGNED(e) \
+ do { \
+ dst[i][e] = FILTER_SUM_3D_SIGNED(rowA[j][e], rowA[k][e], \
+ rowB[j][e], rowB[k][e], \
+ rowC[j][e], rowC[k][e], \
+ rowD[j][e], rowD[k][e]); \
+ } while(0)
+
+#define FILTER_F_3D(e) \
+ do { \
+ dst[i][e] = (rowA[j][e] + rowA[k][e] \
+ + rowB[j][e] + rowB[k][e] \
+ + rowC[j][e] + rowC[k][e] \
+ + rowD[j][e] + rowD[k][e]) * 0.125F; \
+ } while(0)
+
+#define FILTER_HF_3D(e) \
+ do { \
+ const GLfloat aj = _mesa_half_to_float(rowA[j][e]); \
+ const GLfloat ak = _mesa_half_to_float(rowA[k][e]); \
+ const GLfloat bj = _mesa_half_to_float(rowB[j][e]); \
+ const GLfloat bk = _mesa_half_to_float(rowB[k][e]); \
+ const GLfloat cj = _mesa_half_to_float(rowC[j][e]); \
+ const GLfloat ck = _mesa_half_to_float(rowC[k][e]); \
+ const GLfloat dj = _mesa_half_to_float(rowD[j][e]); \
+ const GLfloat dk = _mesa_half_to_float(rowD[k][e]); \
+ dst[i][e] = _mesa_float_to_half((aj + ak + bj + bk + cj + ck + dj + dk) \
+ * 0.125F); \
+ } while(0)
+/*@}*/
+
+
+/**
+ * Average together two rows of a source image to produce a single new
+ * row in the dest image. It's legal for the two source rows to point
+ * to the same data. The source width must be equal to either the
+ * dest width or two times the dest width.
+ * \param datatype GL_UNSIGNED_BYTE, GL_UNSIGNED_SHORT, GL_FLOAT, etc.
+ * \param comps number of components per pixel (1..4)
+ */
+static void
+do_row(GLenum datatype, GLuint comps, GLint srcWidth,
+ const GLvoid *srcRowA, const GLvoid *srcRowB,
+ GLint dstWidth, GLvoid *dstRow)
+{
+ const GLuint k0 = (srcWidth == dstWidth) ? 0 : 1;
+ const GLuint colStride = (srcWidth == dstWidth) ? 1 : 2;
+
+ ASSERT(comps >= 1);
+ ASSERT(comps <= 4);
+
+ /* This assertion is no longer valid with non-power-of-2 textures
+ assert(srcWidth == dstWidth || srcWidth == 2 * dstWidth);
+ */
+
+ if (datatype == GL_UNSIGNED_BYTE && comps == 4) {
+ GLuint i, j, k;
+ const GLubyte(*rowA)[4] = (const GLubyte(*)[4]) srcRowA;
+ const GLubyte(*rowB)[4] = (const GLubyte(*)[4]) srcRowB;
+ GLubyte(*dst)[4] = (GLubyte(*)[4]) dstRow;
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) / 4;
+ dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
+ dst[i][2] = (rowA[j][2] + rowA[k][2] + rowB[j][2] + rowB[k][2]) / 4;
+ dst[i][3] = (rowA[j][3] + rowA[k][3] + rowB[j][3] + rowB[k][3]) / 4;
+ }
+ }
+ else if (datatype == GL_UNSIGNED_BYTE && comps == 3) {
+ GLuint i, j, k;
+ const GLubyte(*rowA)[3] = (const GLubyte(*)[3]) srcRowA;
+ const GLubyte(*rowB)[3] = (const GLubyte(*)[3]) srcRowB;
+ GLubyte(*dst)[3] = (GLubyte(*)[3]) dstRow;
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) / 4;
+ dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
+ dst[i][2] = (rowA[j][2] + rowA[k][2] + rowB[j][2] + rowB[k][2]) / 4;
+ }
+ }
+ else if (datatype == GL_UNSIGNED_BYTE && comps == 2) {
+ GLuint i, j, k;
+ const GLubyte(*rowA)[2] = (const GLubyte(*)[2]) srcRowA;
+ const GLubyte(*rowB)[2] = (const GLubyte(*)[2]) srcRowB;
+ GLubyte(*dst)[2] = (GLubyte(*)[2]) dstRow;
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) >> 2;
+ dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) >> 2;
+ }
+ }
+ else if (datatype == GL_UNSIGNED_BYTE && comps == 1) {
+ GLuint i, j, k;
+ const GLubyte *rowA = (const GLubyte *) srcRowA;
+ const GLubyte *rowB = (const GLubyte *) srcRowB;
+ GLubyte *dst = (GLubyte *) dstRow;
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ dst[i] = (rowA[j] + rowA[k] + rowB[j] + rowB[k]) >> 2;
+ }
+ }
+
+ else if (datatype == GL_BYTE && comps == 4) {
+ GLuint i, j, k;
+ const GLbyte(*rowA)[4] = (const GLbyte(*)[4]) srcRowA;
+ const GLbyte(*rowB)[4] = (const GLbyte(*)[4]) srcRowB;
+ GLbyte(*dst)[4] = (GLbyte(*)[4]) dstRow;
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) / 4;
+ dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
+ dst[i][2] = (rowA[j][2] + rowA[k][2] + rowB[j][2] + rowB[k][2]) / 4;
+ dst[i][3] = (rowA[j][3] + rowA[k][3] + rowB[j][3] + rowB[k][3]) / 4;
+ }
+ }
+ else if (datatype == GL_BYTE && comps == 3) {
+ GLuint i, j, k;
+ const GLbyte(*rowA)[3] = (const GLbyte(*)[3]) srcRowA;
+ const GLbyte(*rowB)[3] = (const GLbyte(*)[3]) srcRowB;
+ GLbyte(*dst)[3] = (GLbyte(*)[3]) dstRow;
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) / 4;
+ dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
+ dst[i][2] = (rowA[j][2] + rowA[k][2] + rowB[j][2] + rowB[k][2]) / 4;
+ }
+ }
+ else if (datatype == GL_BYTE && comps == 2) {
+ GLuint i, j, k;
+ const GLbyte(*rowA)[2] = (const GLbyte(*)[2]) srcRowA;
+ const GLbyte(*rowB)[2] = (const GLbyte(*)[2]) srcRowB;
+ GLbyte(*dst)[2] = (GLbyte(*)[2]) dstRow;
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) / 4;
+ dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
+ }
+ }
+ else if (datatype == GL_BYTE && comps == 1) {
+ GLuint i, j, k;
+ const GLbyte *rowA = (const GLbyte *) srcRowA;
+ const GLbyte *rowB = (const GLbyte *) srcRowB;
+ GLbyte *dst = (GLbyte *) dstRow;
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ dst[i] = (rowA[j] + rowA[k] + rowB[j] + rowB[k]) / 4;
+ }
+ }
+
+ else if (datatype == GL_UNSIGNED_SHORT && comps == 4) {
+ GLuint i, j, k;
+ const GLushort(*rowA)[4] = (const GLushort(*)[4]) srcRowA;
+ const GLushort(*rowB)[4] = (const GLushort(*)[4]) srcRowB;
+ GLushort(*dst)[4] = (GLushort(*)[4]) dstRow;
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) / 4;
+ dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
+ dst[i][2] = (rowA[j][2] + rowA[k][2] + rowB[j][2] + rowB[k][2]) / 4;
+ dst[i][3] = (rowA[j][3] + rowA[k][3] + rowB[j][3] + rowB[k][3]) / 4;
+ }
+ }
+ else if (datatype == GL_UNSIGNED_SHORT && comps == 3) {
+ GLuint i, j, k;
+ const GLushort(*rowA)[3] = (const GLushort(*)[3]) srcRowA;
+ const GLushort(*rowB)[3] = (const GLushort(*)[3]) srcRowB;
+ GLushort(*dst)[3] = (GLushort(*)[3]) dstRow;
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) / 4;
+ dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
+ dst[i][2] = (rowA[j][2] + rowA[k][2] + rowB[j][2] + rowB[k][2]) / 4;
+ }
+ }
+ else if (datatype == GL_UNSIGNED_SHORT && comps == 2) {
+ GLuint i, j, k;
+ const GLushort(*rowA)[2] = (const GLushort(*)[2]) srcRowA;
+ const GLushort(*rowB)[2] = (const GLushort(*)[2]) srcRowB;
+ GLushort(*dst)[2] = (GLushort(*)[2]) dstRow;
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) / 4;
+ dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
+ }
+ }
+ else if (datatype == GL_UNSIGNED_SHORT && comps == 1) {
+ GLuint i, j, k;
+ const GLushort *rowA = (const GLushort *) srcRowA;
+ const GLushort *rowB = (const GLushort *) srcRowB;
+ GLushort *dst = (GLushort *) dstRow;
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ dst[i] = (rowA[j] + rowA[k] + rowB[j] + rowB[k]) / 4;
+ }
+ }
+
+ else if (datatype == GL_SHORT && comps == 4) {
+ GLuint i, j, k;
+ const GLshort(*rowA)[4] = (const GLshort(*)[4]) srcRowA;
+ const GLshort(*rowB)[4] = (const GLshort(*)[4]) srcRowB;
+ GLshort(*dst)[4] = (GLshort(*)[4]) dstRow;
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) / 4;
+ dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
+ dst[i][2] = (rowA[j][2] + rowA[k][2] + rowB[j][2] + rowB[k][2]) / 4;
+ dst[i][3] = (rowA[j][3] + rowA[k][3] + rowB[j][3] + rowB[k][3]) / 4;
+ }
+ }
+ else if (datatype == GL_SHORT && comps == 3) {
+ GLuint i, j, k;
+ const GLshort(*rowA)[3] = (const GLshort(*)[3]) srcRowA;
+ const GLshort(*rowB)[3] = (const GLshort(*)[3]) srcRowB;
+ GLshort(*dst)[3] = (GLshort(*)[3]) dstRow;
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) / 4;
+ dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
+ dst[i][2] = (rowA[j][2] + rowA[k][2] + rowB[j][2] + rowB[k][2]) / 4;
+ }
+ }
+ else if (datatype == GL_SHORT && comps == 2) {
+ GLuint i, j, k;
+ const GLshort(*rowA)[2] = (const GLshort(*)[2]) srcRowA;
+ const GLshort(*rowB)[2] = (const GLshort(*)[2]) srcRowB;
+ GLshort(*dst)[2] = (GLshort(*)[2]) dstRow;
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) / 4;
+ dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) / 4;
+ }
+ }
+ else if (datatype == GL_SHORT && comps == 1) {
+ GLuint i, j, k;
+ const GLshort *rowA = (const GLshort *) srcRowA;
+ const GLshort *rowB = (const GLshort *) srcRowB;
+ GLshort *dst = (GLshort *) dstRow;
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ dst[i] = (rowA[j] + rowA[k] + rowB[j] + rowB[k]) / 4;
+ }
+ }
+
+ else if (datatype == GL_FLOAT && comps == 4) {
+ GLuint i, j, k;
+ const GLfloat(*rowA)[4] = (const GLfloat(*)[4]) srcRowA;
+ const GLfloat(*rowB)[4] = (const GLfloat(*)[4]) srcRowB;
+ GLfloat(*dst)[4] = (GLfloat(*)[4]) dstRow;
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ dst[i][0] = (rowA[j][0] + rowA[k][0] +
+ rowB[j][0] + rowB[k][0]) * 0.25F;
+ dst[i][1] = (rowA[j][1] + rowA[k][1] +
+ rowB[j][1] + rowB[k][1]) * 0.25F;
+ dst[i][2] = (rowA[j][2] + rowA[k][2] +
+ rowB[j][2] + rowB[k][2]) * 0.25F;
+ dst[i][3] = (rowA[j][3] + rowA[k][3] +
+ rowB[j][3] + rowB[k][3]) * 0.25F;
+ }
+ }
+ else if (datatype == GL_FLOAT && comps == 3) {
+ GLuint i, j, k;
+ const GLfloat(*rowA)[3] = (const GLfloat(*)[3]) srcRowA;
+ const GLfloat(*rowB)[3] = (const GLfloat(*)[3]) srcRowB;
+ GLfloat(*dst)[3] = (GLfloat(*)[3]) dstRow;
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ dst[i][0] = (rowA[j][0] + rowA[k][0] +
+ rowB[j][0] + rowB[k][0]) * 0.25F;
+ dst[i][1] = (rowA[j][1] + rowA[k][1] +
+ rowB[j][1] + rowB[k][1]) * 0.25F;
+ dst[i][2] = (rowA[j][2] + rowA[k][2] +
+ rowB[j][2] + rowB[k][2]) * 0.25F;
+ }
+ }
+ else if (datatype == GL_FLOAT && comps == 2) {
+ GLuint i, j, k;
+ const GLfloat(*rowA)[2] = (const GLfloat(*)[2]) srcRowA;
+ const GLfloat(*rowB)[2] = (const GLfloat(*)[2]) srcRowB;
+ GLfloat(*dst)[2] = (GLfloat(*)[2]) dstRow;
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ dst[i][0] = (rowA[j][0] + rowA[k][0] +
+ rowB[j][0] + rowB[k][0]) * 0.25F;
+ dst[i][1] = (rowA[j][1] + rowA[k][1] +
+ rowB[j][1] + rowB[k][1]) * 0.25F;
+ }
+ }
+ else if (datatype == GL_FLOAT && comps == 1) {
+ GLuint i, j, k;
+ const GLfloat *rowA = (const GLfloat *) srcRowA;
+ const GLfloat *rowB = (const GLfloat *) srcRowB;
+ GLfloat *dst = (GLfloat *) dstRow;
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ dst[i] = (rowA[j] + rowA[k] + rowB[j] + rowB[k]) * 0.25F;
+ }
+ }
+
+ else if (datatype == GL_HALF_FLOAT_ARB && comps == 4) {
+ GLuint i, j, k, comp;
+ const GLhalfARB(*rowA)[4] = (const GLhalfARB(*)[4]) srcRowA;
+ const GLhalfARB(*rowB)[4] = (const GLhalfARB(*)[4]) srcRowB;
+ GLhalfARB(*dst)[4] = (GLhalfARB(*)[4]) dstRow;
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ for (comp = 0; comp < 4; comp++) {
+ GLfloat aj, ak, bj, bk;
+ aj = _mesa_half_to_float(rowA[j][comp]);
+ ak = _mesa_half_to_float(rowA[k][comp]);
+ bj = _mesa_half_to_float(rowB[j][comp]);
+ bk = _mesa_half_to_float(rowB[k][comp]);
+ dst[i][comp] = _mesa_float_to_half((aj + ak + bj + bk) * 0.25F);
+ }
+ }
+ }
+ else if (datatype == GL_HALF_FLOAT_ARB && comps == 3) {
+ GLuint i, j, k, comp;
+ const GLhalfARB(*rowA)[3] = (const GLhalfARB(*)[3]) srcRowA;
+ const GLhalfARB(*rowB)[3] = (const GLhalfARB(*)[3]) srcRowB;
+ GLhalfARB(*dst)[3] = (GLhalfARB(*)[3]) dstRow;
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ for (comp = 0; comp < 3; comp++) {
+ GLfloat aj, ak, bj, bk;
+ aj = _mesa_half_to_float(rowA[j][comp]);
+ ak = _mesa_half_to_float(rowA[k][comp]);
+ bj = _mesa_half_to_float(rowB[j][comp]);
+ bk = _mesa_half_to_float(rowB[k][comp]);
+ dst[i][comp] = _mesa_float_to_half((aj + ak + bj + bk) * 0.25F);
+ }
+ }
+ }
+ else if (datatype == GL_HALF_FLOAT_ARB && comps == 2) {
+ GLuint i, j, k, comp;
+ const GLhalfARB(*rowA)[2] = (const GLhalfARB(*)[2]) srcRowA;
+ const GLhalfARB(*rowB)[2] = (const GLhalfARB(*)[2]) srcRowB;
+ GLhalfARB(*dst)[2] = (GLhalfARB(*)[2]) dstRow;
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ for (comp = 0; comp < 2; comp++) {
+ GLfloat aj, ak, bj, bk;
+ aj = _mesa_half_to_float(rowA[j][comp]);
+ ak = _mesa_half_to_float(rowA[k][comp]);
+ bj = _mesa_half_to_float(rowB[j][comp]);
+ bk = _mesa_half_to_float(rowB[k][comp]);
+ dst[i][comp] = _mesa_float_to_half((aj + ak + bj + bk) * 0.25F);
+ }
+ }
+ }
+ else if (datatype == GL_HALF_FLOAT_ARB && comps == 1) {
+ GLuint i, j, k;
+ const GLhalfARB *rowA = (const GLhalfARB *) srcRowA;
+ const GLhalfARB *rowB = (const GLhalfARB *) srcRowB;
+ GLhalfARB *dst = (GLhalfARB *) dstRow;
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ GLfloat aj, ak, bj, bk;
+ aj = _mesa_half_to_float(rowA[j]);
+ ak = _mesa_half_to_float(rowA[k]);
+ bj = _mesa_half_to_float(rowB[j]);
+ bk = _mesa_half_to_float(rowB[k]);
+ dst[i] = _mesa_float_to_half((aj + ak + bj + bk) * 0.25F);
+ }
+ }
+
+ else if (datatype == GL_UNSIGNED_INT && comps == 1) {
+ GLuint i, j, k;
+ const GLuint *rowA = (const GLuint *) srcRowA;
+ const GLuint *rowB = (const GLuint *) srcRowB;
+ GLuint *dst = (GLuint *) dstRow;
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ dst[i] = (GLfloat)(rowA[j] / 4 + rowA[k] / 4 + rowB[j] / 4 + rowB[k] / 4);
+ }
+ }
+
+ else if (datatype == GL_UNSIGNED_SHORT_5_6_5 && comps == 3) {
+ GLuint i, j, k;
+ const GLushort *rowA = (const GLushort *) srcRowA;
+ const GLushort *rowB = (const GLushort *) srcRowB;
+ GLushort *dst = (GLushort *) dstRow;
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ const GLint rowAr0 = rowA[j] & 0x1f;
+ const GLint rowAr1 = rowA[k] & 0x1f;
+ const GLint rowBr0 = rowB[j] & 0x1f;
+ const GLint rowBr1 = rowB[k] & 0x1f;
+ const GLint rowAg0 = (rowA[j] >> 5) & 0x3f;
+ const GLint rowAg1 = (rowA[k] >> 5) & 0x3f;
+ const GLint rowBg0 = (rowB[j] >> 5) & 0x3f;
+ const GLint rowBg1 = (rowB[k] >> 5) & 0x3f;
+ const GLint rowAb0 = (rowA[j] >> 11) & 0x1f;
+ const GLint rowAb1 = (rowA[k] >> 11) & 0x1f;
+ const GLint rowBb0 = (rowB[j] >> 11) & 0x1f;
+ const GLint rowBb1 = (rowB[k] >> 11) & 0x1f;
+ const GLint red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 2;
+ const GLint green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 2;
+ const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 2;
+ dst[i] = (blue << 11) | (green << 5) | red;
+ }
+ }
+ else if (datatype == GL_UNSIGNED_SHORT_4_4_4_4 && comps == 4) {
+ GLuint i, j, k;
+ const GLushort *rowA = (const GLushort *) srcRowA;
+ const GLushort *rowB = (const GLushort *) srcRowB;
+ GLushort *dst = (GLushort *) dstRow;
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ const GLint rowAr0 = rowA[j] & 0xf;
+ const GLint rowAr1 = rowA[k] & 0xf;
+ const GLint rowBr0 = rowB[j] & 0xf;
+ const GLint rowBr1 = rowB[k] & 0xf;
+ const GLint rowAg0 = (rowA[j] >> 4) & 0xf;
+ const GLint rowAg1 = (rowA[k] >> 4) & 0xf;
+ const GLint rowBg0 = (rowB[j] >> 4) & 0xf;
+ const GLint rowBg1 = (rowB[k] >> 4) & 0xf;
+ const GLint rowAb0 = (rowA[j] >> 8) & 0xf;
+ const GLint rowAb1 = (rowA[k] >> 8) & 0xf;
+ const GLint rowBb0 = (rowB[j] >> 8) & 0xf;
+ const GLint rowBb1 = (rowB[k] >> 8) & 0xf;
+ const GLint rowAa0 = (rowA[j] >> 12) & 0xf;
+ const GLint rowAa1 = (rowA[k] >> 12) & 0xf;
+ const GLint rowBa0 = (rowB[j] >> 12) & 0xf;
+ const GLint rowBa1 = (rowB[k] >> 12) & 0xf;
+ const GLint red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 2;
+ const GLint green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 2;
+ const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 2;
+ const GLint alpha = (rowAa0 + rowAa1 + rowBa0 + rowBa1) >> 2;
+ dst[i] = (alpha << 12) | (blue << 8) | (green << 4) | red;
+ }
+ }
+ else if (datatype == GL_UNSIGNED_SHORT_1_5_5_5_REV && comps == 4) {
+ GLuint i, j, k;
+ const GLushort *rowA = (const GLushort *) srcRowA;
+ const GLushort *rowB = (const GLushort *) srcRowB;
+ GLushort *dst = (GLushort *) dstRow;
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ const GLint rowAr0 = rowA[j] & 0x1f;
+ const GLint rowAr1 = rowA[k] & 0x1f;
+ const GLint rowBr0 = rowB[j] & 0x1f;
+ const GLint rowBr1 = rowB[k] & 0x1f;
+ const GLint rowAg0 = (rowA[j] >> 5) & 0x1f;
+ const GLint rowAg1 = (rowA[k] >> 5) & 0x1f;
+ const GLint rowBg0 = (rowB[j] >> 5) & 0x1f;
+ const GLint rowBg1 = (rowB[k] >> 5) & 0x1f;
+ const GLint rowAb0 = (rowA[j] >> 10) & 0x1f;
+ const GLint rowAb1 = (rowA[k] >> 10) & 0x1f;
+ const GLint rowBb0 = (rowB[j] >> 10) & 0x1f;
+ const GLint rowBb1 = (rowB[k] >> 10) & 0x1f;
+ const GLint rowAa0 = (rowA[j] >> 15) & 0x1;
+ const GLint rowAa1 = (rowA[k] >> 15) & 0x1;
+ const GLint rowBa0 = (rowB[j] >> 15) & 0x1;
+ const GLint rowBa1 = (rowB[k] >> 15) & 0x1;
+ const GLint red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 2;
+ const GLint green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 2;
+ const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 2;
+ const GLint alpha = (rowAa0 + rowAa1 + rowBa0 + rowBa1) >> 2;
+ dst[i] = (alpha << 15) | (blue << 10) | (green << 5) | red;
+ }
+ }
+ else if (datatype == GL_UNSIGNED_SHORT_5_5_5_1 && comps == 4) {
+ GLuint i, j, k;
+ const GLushort *rowA = (const GLushort *) srcRowA;
+ const GLushort *rowB = (const GLushort *) srcRowB;
+ GLushort *dst = (GLushort *) dstRow;
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ const GLint rowAr0 = (rowA[j] >> 11) & 0x1f;
+ const GLint rowAr1 = (rowA[k] >> 11) & 0x1f;
+ const GLint rowBr0 = (rowB[j] >> 11) & 0x1f;
+ const GLint rowBr1 = (rowB[k] >> 11) & 0x1f;
+ const GLint rowAg0 = (rowA[j] >> 6) & 0x1f;
+ const GLint rowAg1 = (rowA[k] >> 6) & 0x1f;
+ const GLint rowBg0 = (rowB[j] >> 6) & 0x1f;
+ const GLint rowBg1 = (rowB[k] >> 6) & 0x1f;
+ const GLint rowAb0 = (rowA[j] >> 1) & 0x1f;
+ const GLint rowAb1 = (rowA[k] >> 1) & 0x1f;
+ const GLint rowBb0 = (rowB[j] >> 1) & 0x1f;
+ const GLint rowBb1 = (rowB[k] >> 1) & 0x1f;
+ const GLint rowAa0 = (rowA[j] & 0x1);
+ const GLint rowAa1 = (rowA[k] & 0x1);
+ const GLint rowBa0 = (rowB[j] & 0x1);
+ const GLint rowBa1 = (rowB[k] & 0x1);
+ const GLint red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 2;
+ const GLint green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 2;
+ const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 2;
+ const GLint alpha = (rowAa0 + rowAa1 + rowBa0 + rowBa1) >> 2;
+ dst[i] = (red << 11) | (green << 6) | (blue << 1) | alpha;
+ }
+ }
+
+ else if (datatype == GL_UNSIGNED_BYTE_3_3_2 && comps == 3) {
+ GLuint i, j, k;
+ const GLubyte *rowA = (const GLubyte *) srcRowA;
+ const GLubyte *rowB = (const GLubyte *) srcRowB;
+ GLubyte *dst = (GLubyte *) dstRow;
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ const GLint rowAr0 = rowA[j] & 0x3;
+ const GLint rowAr1 = rowA[k] & 0x3;
+ const GLint rowBr0 = rowB[j] & 0x3;
+ const GLint rowBr1 = rowB[k] & 0x3;
+ const GLint rowAg0 = (rowA[j] >> 2) & 0x7;
+ const GLint rowAg1 = (rowA[k] >> 2) & 0x7;
+ const GLint rowBg0 = (rowB[j] >> 2) & 0x7;
+ const GLint rowBg1 = (rowB[k] >> 2) & 0x7;
+ const GLint rowAb0 = (rowA[j] >> 5) & 0x7;
+ const GLint rowAb1 = (rowA[k] >> 5) & 0x7;
+ const GLint rowBb0 = (rowB[j] >> 5) & 0x7;
+ const GLint rowBb1 = (rowB[k] >> 5) & 0x7;
+ const GLint red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 2;
+ const GLint green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 2;
+ const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 2;
+ dst[i] = (blue << 5) | (green << 2) | red;
+ }
+ }
+
+ else if (datatype == MESA_UNSIGNED_BYTE_4_4 && comps == 2) {
+ GLuint i, j, k;
+ const GLubyte *rowA = (const GLubyte *) srcRowA;
+ const GLubyte *rowB = (const GLubyte *) srcRowB;
+ GLubyte *dst = (GLubyte *) dstRow;
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ const GLint rowAr0 = rowA[j] & 0xf;
+ const GLint rowAr1 = rowA[k] & 0xf;
+ const GLint rowBr0 = rowB[j] & 0xf;
+ const GLint rowBr1 = rowB[k] & 0xf;
+ const GLint rowAg0 = (rowA[j] >> 4) & 0xf;
+ const GLint rowAg1 = (rowA[k] >> 4) & 0xf;
+ const GLint rowBg0 = (rowB[j] >> 4) & 0xf;
+ const GLint rowBg1 = (rowB[k] >> 4) & 0xf;
+ const GLint r = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 2;
+ const GLint g = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 2;
+ dst[i] = (g << 4) | r;
+ }
+ }
+
+ else {
+ _mesa_problem(NULL, "bad format in do_row()");
+ }
+}
+
+
+/**
+ * Average together four rows of a source image to produce a single new
+ * row in the dest image. It's legal for the two source rows to point
+ * to the same data. The source width must be equal to either the
+ * dest width or two times the dest width.
+ *
+ * \param datatype GL pixel type \c GL_UNSIGNED_BYTE, \c GL_UNSIGNED_SHORT,
+ * \c GL_FLOAT, etc.
+ * \param comps number of components per pixel (1..4)
+ * \param srcWidth Width of a row in the source data
+ * \param srcRowA Pointer to one of the rows of source data
+ * \param srcRowB Pointer to one of the rows of source data
+ * \param srcRowC Pointer to one of the rows of source data
+ * \param srcRowD Pointer to one of the rows of source data
+ * \param dstWidth Width of a row in the destination data
+ * \param srcRowA Pointer to the row of destination data
+ */
+static void
+do_row_3D(GLenum datatype, GLuint comps, GLint srcWidth,
+ const GLvoid *srcRowA, const GLvoid *srcRowB,
+ const GLvoid *srcRowC, const GLvoid *srcRowD,
+ GLint dstWidth, GLvoid *dstRow)
+{
+ const GLuint k0 = (srcWidth == dstWidth) ? 0 : 1;
+ const GLuint colStride = (srcWidth == dstWidth) ? 1 : 2;
+ GLuint i, j, k;
+
+ ASSERT(comps >= 1);
+ ASSERT(comps <= 4);
+
+ if ((datatype == GL_UNSIGNED_BYTE) && (comps == 4)) {
+ DECLARE_ROW_POINTERS(GLubyte, 4);
+
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ FILTER_3D(0);
+ FILTER_3D(1);
+ FILTER_3D(2);
+ FILTER_3D(3);
+ }
+ }
+ else if ((datatype == GL_UNSIGNED_BYTE) && (comps == 3)) {
+ DECLARE_ROW_POINTERS(GLubyte, 3);
+
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ FILTER_3D(0);
+ FILTER_3D(1);
+ FILTER_3D(2);
+ }
+ }
+ else if ((datatype == GL_UNSIGNED_BYTE) && (comps == 2)) {
+ DECLARE_ROW_POINTERS(GLubyte, 2);
+
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ FILTER_3D(0);
+ FILTER_3D(1);
+ }
+ }
+ else if ((datatype == GL_UNSIGNED_BYTE) && (comps == 1)) {
+ DECLARE_ROW_POINTERS(GLubyte, 1);
+
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ FILTER_3D(0);
+ }
+ }
+ else if ((datatype == GL_BYTE) && (comps == 4)) {
+ DECLARE_ROW_POINTERS(GLbyte, 4);
+
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ FILTER_3D_SIGNED(0);
+ FILTER_3D_SIGNED(1);
+ FILTER_3D_SIGNED(2);
+ FILTER_3D_SIGNED(3);
+ }
+ }
+ else if ((datatype == GL_BYTE) && (comps == 3)) {
+ DECLARE_ROW_POINTERS(GLbyte, 3);
+
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ FILTER_3D_SIGNED(0);
+ FILTER_3D_SIGNED(1);
+ FILTER_3D_SIGNED(2);
+ }
+ }
+ else if ((datatype == GL_BYTE) && (comps == 2)) {
+ DECLARE_ROW_POINTERS(GLbyte, 2);
+
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ FILTER_3D_SIGNED(0);
+ FILTER_3D_SIGNED(1);
+ }
+ }
+ else if ((datatype == GL_BYTE) && (comps == 1)) {
+ DECLARE_ROW_POINTERS(GLbyte, 1);
+
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ FILTER_3D_SIGNED(0);
+ }
+ }
+ else if ((datatype == GL_UNSIGNED_SHORT) && (comps == 4)) {
+ DECLARE_ROW_POINTERS(GLushort, 4);
+
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ FILTER_3D(0);
+ FILTER_3D(1);
+ FILTER_3D(2);
+ FILTER_3D(3);
+ }
+ }
+ else if ((datatype == GL_UNSIGNED_SHORT) && (comps == 3)) {
+ DECLARE_ROW_POINTERS(GLushort, 3);
+
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ FILTER_3D(0);
+ FILTER_3D(1);
+ FILTER_3D(2);
+ }
+ }
+ else if ((datatype == GL_UNSIGNED_SHORT) && (comps == 2)) {
+ DECLARE_ROW_POINTERS(GLushort, 2);
+
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ FILTER_3D(0);
+ FILTER_3D(1);
+ }
+ }
+ else if ((datatype == GL_UNSIGNED_SHORT) && (comps == 1)) {
+ DECLARE_ROW_POINTERS(GLushort, 1);
+
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ FILTER_3D(0);
+ }
+ }
+ else if ((datatype == GL_SHORT) && (comps == 4)) {
+ DECLARE_ROW_POINTERS(GLshort, 4);
+
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ FILTER_3D(0);
+ FILTER_3D(1);
+ FILTER_3D(2);
+ FILTER_3D(3);
+ }
+ }
+ else if ((datatype == GL_SHORT) && (comps == 3)) {
+ DECLARE_ROW_POINTERS(GLshort, 3);
+
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ FILTER_3D(0);
+ FILTER_3D(1);
+ FILTER_3D(2);
+ }
+ }
+ else if ((datatype == GL_SHORT) && (comps == 2)) {
+ DECLARE_ROW_POINTERS(GLshort, 2);
+
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ FILTER_3D(0);
+ FILTER_3D(1);
+ }
+ }
+ else if ((datatype == GL_SHORT) && (comps == 1)) {
+ DECLARE_ROW_POINTERS(GLshort, 1);
+
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ FILTER_3D(0);
+ }
+ }
+ else if ((datatype == GL_FLOAT) && (comps == 4)) {
+ DECLARE_ROW_POINTERS(GLfloat, 4);
+
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ FILTER_F_3D(0);
+ FILTER_F_3D(1);
+ FILTER_F_3D(2);
+ FILTER_F_3D(3);
+ }
+ }
+ else if ((datatype == GL_FLOAT) && (comps == 3)) {
+ DECLARE_ROW_POINTERS(GLfloat, 3);
+
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ FILTER_F_3D(0);
+ FILTER_F_3D(1);
+ FILTER_F_3D(2);
+ }
+ }
+ else if ((datatype == GL_FLOAT) && (comps == 2)) {
+ DECLARE_ROW_POINTERS(GLfloat, 2);
+
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ FILTER_F_3D(0);
+ FILTER_F_3D(1);
+ }
+ }
+ else if ((datatype == GL_FLOAT) && (comps == 1)) {
+ DECLARE_ROW_POINTERS(GLfloat, 1);
+
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ FILTER_F_3D(0);
+ }
+ }
+ else if ((datatype == GL_HALF_FLOAT_ARB) && (comps == 4)) {
+ DECLARE_ROW_POINTERS(GLhalfARB, 4);
+
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ FILTER_HF_3D(0);
+ FILTER_HF_3D(1);
+ FILTER_HF_3D(2);
+ FILTER_HF_3D(3);
+ }
+ }
+ else if ((datatype == GL_HALF_FLOAT_ARB) && (comps == 3)) {
+ DECLARE_ROW_POINTERS(GLhalfARB, 4);
+
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ FILTER_HF_3D(0);
+ FILTER_HF_3D(1);
+ FILTER_HF_3D(2);
+ }
+ }
+ else if ((datatype == GL_HALF_FLOAT_ARB) && (comps == 2)) {
+ DECLARE_ROW_POINTERS(GLhalfARB, 4);
+
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ FILTER_HF_3D(0);
+ FILTER_HF_3D(1);
+ }
+ }
+ else if ((datatype == GL_HALF_FLOAT_ARB) && (comps == 1)) {
+ DECLARE_ROW_POINTERS(GLhalfARB, 4);
+
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ FILTER_HF_3D(0);
+ }
+ }
+ else if ((datatype == GL_UNSIGNED_INT) && (comps == 1)) {
+ const GLuint *rowA = (const GLuint *) srcRowA;
+ const GLuint *rowB = (const GLuint *) srcRowB;
+ const GLuint *rowC = (const GLuint *) srcRowC;
+ const GLuint *rowD = (const GLuint *) srcRowD;
+ GLfloat *dst = (GLfloat *) dstRow;
+
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ const uint64_t tmp = (((uint64_t) rowA[j] + (uint64_t) rowA[k])
+ + ((uint64_t) rowB[j] + (uint64_t) rowB[k])
+ + ((uint64_t) rowC[j] + (uint64_t) rowC[k])
+ + ((uint64_t) rowD[j] + (uint64_t) rowD[k]));
+ dst[i] = (GLfloat)((double) tmp * 0.125);
+ }
+ }
+ else if ((datatype == GL_UNSIGNED_SHORT_5_6_5) && (comps == 3)) {
+ DECLARE_ROW_POINTERS0(GLushort);
+
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ const GLint rowAr0 = rowA[j] & 0x1f;
+ const GLint rowAr1 = rowA[k] & 0x1f;
+ const GLint rowBr0 = rowB[j] & 0x1f;
+ const GLint rowBr1 = rowB[k] & 0x1f;
+ const GLint rowCr0 = rowC[j] & 0x1f;
+ const GLint rowCr1 = rowC[k] & 0x1f;
+ const GLint rowDr0 = rowD[j] & 0x1f;
+ const GLint rowDr1 = rowD[k] & 0x1f;
+ const GLint rowAg0 = (rowA[j] >> 5) & 0x3f;
+ const GLint rowAg1 = (rowA[k] >> 5) & 0x3f;
+ const GLint rowBg0 = (rowB[j] >> 5) & 0x3f;
+ const GLint rowBg1 = (rowB[k] >> 5) & 0x3f;
+ const GLint rowCg0 = (rowC[j] >> 5) & 0x3f;
+ const GLint rowCg1 = (rowC[k] >> 5) & 0x3f;
+ const GLint rowDg0 = (rowD[j] >> 5) & 0x3f;
+ const GLint rowDg1 = (rowD[k] >> 5) & 0x3f;
+ const GLint rowAb0 = (rowA[j] >> 11) & 0x1f;
+ const GLint rowAb1 = (rowA[k] >> 11) & 0x1f;
+ const GLint rowBb0 = (rowB[j] >> 11) & 0x1f;
+ const GLint rowBb1 = (rowB[k] >> 11) & 0x1f;
+ const GLint rowCb0 = (rowC[j] >> 11) & 0x1f;
+ const GLint rowCb1 = (rowC[k] >> 11) & 0x1f;
+ const GLint rowDb0 = (rowD[j] >> 11) & 0x1f;
+ const GLint rowDb1 = (rowD[k] >> 11) & 0x1f;
+ const GLint r = FILTER_SUM_3D(rowAr0, rowAr1, rowBr0, rowBr1,
+ rowCr0, rowCr1, rowDr0, rowDr1);
+ const GLint g = FILTER_SUM_3D(rowAg0, rowAg1, rowBg0, rowBg1,
+ rowCg0, rowCg1, rowDg0, rowDg1);
+ const GLint b = FILTER_SUM_3D(rowAb0, rowAb1, rowBb0, rowBb1,
+ rowCb0, rowCb1, rowDb0, rowDb1);
+ dst[i] = (b << 11) | (g << 5) | r;
+ }
+ }
+ else if ((datatype == GL_UNSIGNED_SHORT_4_4_4_4) && (comps == 4)) {
+ DECLARE_ROW_POINTERS0(GLushort);
+
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ const GLint rowAr0 = rowA[j] & 0xf;
+ const GLint rowAr1 = rowA[k] & 0xf;
+ const GLint rowBr0 = rowB[j] & 0xf;
+ const GLint rowBr1 = rowB[k] & 0xf;
+ const GLint rowCr0 = rowC[j] & 0xf;
+ const GLint rowCr1 = rowC[k] & 0xf;
+ const GLint rowDr0 = rowD[j] & 0xf;
+ const GLint rowDr1 = rowD[k] & 0xf;
+ const GLint rowAg0 = (rowA[j] >> 4) & 0xf;
+ const GLint rowAg1 = (rowA[k] >> 4) & 0xf;
+ const GLint rowBg0 = (rowB[j] >> 4) & 0xf;
+ const GLint rowBg1 = (rowB[k] >> 4) & 0xf;
+ const GLint rowCg0 = (rowC[j] >> 4) & 0xf;
+ const GLint rowCg1 = (rowC[k] >> 4) & 0xf;
+ const GLint rowDg0 = (rowD[j] >> 4) & 0xf;
+ const GLint rowDg1 = (rowD[k] >> 4) & 0xf;
+ const GLint rowAb0 = (rowA[j] >> 8) & 0xf;
+ const GLint rowAb1 = (rowA[k] >> 8) & 0xf;
+ const GLint rowBb0 = (rowB[j] >> 8) & 0xf;
+ const GLint rowBb1 = (rowB[k] >> 8) & 0xf;
+ const GLint rowCb0 = (rowC[j] >> 8) & 0xf;
+ const GLint rowCb1 = (rowC[k] >> 8) & 0xf;
+ const GLint rowDb0 = (rowD[j] >> 8) & 0xf;
+ const GLint rowDb1 = (rowD[k] >> 8) & 0xf;
+ const GLint rowAa0 = (rowA[j] >> 12) & 0xf;
+ const GLint rowAa1 = (rowA[k] >> 12) & 0xf;
+ const GLint rowBa0 = (rowB[j] >> 12) & 0xf;
+ const GLint rowBa1 = (rowB[k] >> 12) & 0xf;
+ const GLint rowCa0 = (rowC[j] >> 12) & 0xf;
+ const GLint rowCa1 = (rowC[k] >> 12) & 0xf;
+ const GLint rowDa0 = (rowD[j] >> 12) & 0xf;
+ const GLint rowDa1 = (rowD[k] >> 12) & 0xf;
+ const GLint r = FILTER_SUM_3D(rowAr0, rowAr1, rowBr0, rowBr1,
+ rowCr0, rowCr1, rowDr0, rowDr1);
+ const GLint g = FILTER_SUM_3D(rowAg0, rowAg1, rowBg0, rowBg1,
+ rowCg0, rowCg1, rowDg0, rowDg1);
+ const GLint b = FILTER_SUM_3D(rowAb0, rowAb1, rowBb0, rowBb1,
+ rowCb0, rowCb1, rowDb0, rowDb1);
+ const GLint a = FILTER_SUM_3D(rowAa0, rowAa1, rowBa0, rowBa1,
+ rowCa0, rowCa1, rowDa0, rowDa1);
+
+ dst[i] = (a << 12) | (b << 8) | (g << 4) | r;
+ }
+ }
+ else if ((datatype == GL_UNSIGNED_SHORT_1_5_5_5_REV) && (comps == 4)) {
+ DECLARE_ROW_POINTERS0(GLushort);
+
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ const GLint rowAr0 = rowA[j] & 0x1f;
+ const GLint rowAr1 = rowA[k] & 0x1f;
+ const GLint rowBr0 = rowB[j] & 0x1f;
+ const GLint rowBr1 = rowB[k] & 0x1f;
+ const GLint rowCr0 = rowC[j] & 0x1f;
+ const GLint rowCr1 = rowC[k] & 0x1f;
+ const GLint rowDr0 = rowD[j] & 0x1f;
+ const GLint rowDr1 = rowD[k] & 0x1f;
+ const GLint rowAg0 = (rowA[j] >> 5) & 0x1f;
+ const GLint rowAg1 = (rowA[k] >> 5) & 0x1f;
+ const GLint rowBg0 = (rowB[j] >> 5) & 0x1f;
+ const GLint rowBg1 = (rowB[k] >> 5) & 0x1f;
+ const GLint rowCg0 = (rowC[j] >> 5) & 0x1f;
+ const GLint rowCg1 = (rowC[k] >> 5) & 0x1f;
+ const GLint rowDg0 = (rowD[j] >> 5) & 0x1f;
+ const GLint rowDg1 = (rowD[k] >> 5) & 0x1f;
+ const GLint rowAb0 = (rowA[j] >> 10) & 0x1f;
+ const GLint rowAb1 = (rowA[k] >> 10) & 0x1f;
+ const GLint rowBb0 = (rowB[j] >> 10) & 0x1f;
+ const GLint rowBb1 = (rowB[k] >> 10) & 0x1f;
+ const GLint rowCb0 = (rowC[j] >> 10) & 0x1f;
+ const GLint rowCb1 = (rowC[k] >> 10) & 0x1f;
+ const GLint rowDb0 = (rowD[j] >> 10) & 0x1f;
+ const GLint rowDb1 = (rowD[k] >> 10) & 0x1f;
+ const GLint rowAa0 = (rowA[j] >> 15) & 0x1;
+ const GLint rowAa1 = (rowA[k] >> 15) & 0x1;
+ const GLint rowBa0 = (rowB[j] >> 15) & 0x1;
+ const GLint rowBa1 = (rowB[k] >> 15) & 0x1;
+ const GLint rowCa0 = (rowC[j] >> 15) & 0x1;
+ const GLint rowCa1 = (rowC[k] >> 15) & 0x1;
+ const GLint rowDa0 = (rowD[j] >> 15) & 0x1;
+ const GLint rowDa1 = (rowD[k] >> 15) & 0x1;
+ const GLint r = FILTER_SUM_3D(rowAr0, rowAr1, rowBr0, rowBr1,
+ rowCr0, rowCr1, rowDr0, rowDr1);
+ const GLint g = FILTER_SUM_3D(rowAg0, rowAg1, rowBg0, rowBg1,
+ rowCg0, rowCg1, rowDg0, rowDg1);
+ const GLint b = FILTER_SUM_3D(rowAb0, rowAb1, rowBb0, rowBb1,
+ rowCb0, rowCb1, rowDb0, rowDb1);
+ const GLint a = FILTER_SUM_3D(rowAa0, rowAa1, rowBa0, rowBa1,
+ rowCa0, rowCa1, rowDa0, rowDa1);
+
+ dst[i] = (a << 15) | (b << 10) | (g << 5) | r;
+ }
+ }
+ else if ((datatype == GL_UNSIGNED_SHORT_5_5_5_1) && (comps == 4)) {
+ DECLARE_ROW_POINTERS0(GLushort);
+
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ const GLint rowAr0 = (rowA[j] >> 11) & 0x1f;
+ const GLint rowAr1 = (rowA[k] >> 11) & 0x1f;
+ const GLint rowBr0 = (rowB[j] >> 11) & 0x1f;
+ const GLint rowBr1 = (rowB[k] >> 11) & 0x1f;
+ const GLint rowCr0 = (rowC[j] >> 11) & 0x1f;
+ const GLint rowCr1 = (rowC[k] >> 11) & 0x1f;
+ const GLint rowDr0 = (rowD[j] >> 11) & 0x1f;
+ const GLint rowDr1 = (rowD[k] >> 11) & 0x1f;
+ const GLint rowAg0 = (rowA[j] >> 6) & 0x1f;
+ const GLint rowAg1 = (rowA[k] >> 6) & 0x1f;
+ const GLint rowBg0 = (rowB[j] >> 6) & 0x1f;
+ const GLint rowBg1 = (rowB[k] >> 6) & 0x1f;
+ const GLint rowCg0 = (rowC[j] >> 6) & 0x1f;
+ const GLint rowCg1 = (rowC[k] >> 6) & 0x1f;
+ const GLint rowDg0 = (rowD[j] >> 6) & 0x1f;
+ const GLint rowDg1 = (rowD[k] >> 6) & 0x1f;
+ const GLint rowAb0 = (rowA[j] >> 1) & 0x1f;
+ const GLint rowAb1 = (rowA[k] >> 1) & 0x1f;
+ const GLint rowBb0 = (rowB[j] >> 1) & 0x1f;
+ const GLint rowBb1 = (rowB[k] >> 1) & 0x1f;
+ const GLint rowCb0 = (rowC[j] >> 1) & 0x1f;
+ const GLint rowCb1 = (rowC[k] >> 1) & 0x1f;
+ const GLint rowDb0 = (rowD[j] >> 1) & 0x1f;
+ const GLint rowDb1 = (rowD[k] >> 1) & 0x1f;
+ const GLint rowAa0 = (rowA[j] & 0x1);
+ const GLint rowAa1 = (rowA[k] & 0x1);
+ const GLint rowBa0 = (rowB[j] & 0x1);
+ const GLint rowBa1 = (rowB[k] & 0x1);
+ const GLint rowCa0 = (rowC[j] & 0x1);
+ const GLint rowCa1 = (rowC[k] & 0x1);
+ const GLint rowDa0 = (rowD[j] & 0x1);
+ const GLint rowDa1 = (rowD[k] & 0x1);
+ const GLint r = FILTER_SUM_3D(rowAr0, rowAr1, rowBr0, rowBr1,
+ rowCr0, rowCr1, rowDr0, rowDr1);
+ const GLint g = FILTER_SUM_3D(rowAg0, rowAg1, rowBg0, rowBg1,
+ rowCg0, rowCg1, rowDg0, rowDg1);
+ const GLint b = FILTER_SUM_3D(rowAb0, rowAb1, rowBb0, rowBb1,
+ rowCb0, rowCb1, rowDb0, rowDb1);
+ const GLint a = FILTER_SUM_3D(rowAa0, rowAa1, rowBa0, rowBa1,
+ rowCa0, rowCa1, rowDa0, rowDa1);
+
+ dst[i] = (r << 11) | (g << 6) | (b << 1) | a;
+ }
+ }
+ else if ((datatype == GL_UNSIGNED_BYTE_3_3_2) && (comps == 3)) {
+ DECLARE_ROW_POINTERS0(GLubyte);
+
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ const GLint rowAr0 = rowA[j] & 0x3;
+ const GLint rowAr1 = rowA[k] & 0x3;
+ const GLint rowBr0 = rowB[j] & 0x3;
+ const GLint rowBr1 = rowB[k] & 0x3;
+ const GLint rowCr0 = rowC[j] & 0x3;
+ const GLint rowCr1 = rowC[k] & 0x3;
+ const GLint rowDr0 = rowD[j] & 0x3;
+ const GLint rowDr1 = rowD[k] & 0x3;
+ const GLint rowAg0 = (rowA[j] >> 2) & 0x7;
+ const GLint rowAg1 = (rowA[k] >> 2) & 0x7;
+ const GLint rowBg0 = (rowB[j] >> 2) & 0x7;
+ const GLint rowBg1 = (rowB[k] >> 2) & 0x7;
+ const GLint rowCg0 = (rowC[j] >> 2) & 0x7;
+ const GLint rowCg1 = (rowC[k] >> 2) & 0x7;
+ const GLint rowDg0 = (rowD[j] >> 2) & 0x7;
+ const GLint rowDg1 = (rowD[k] >> 2) & 0x7;
+ const GLint rowAb0 = (rowA[j] >> 5) & 0x7;
+ const GLint rowAb1 = (rowA[k] >> 5) & 0x7;
+ const GLint rowBb0 = (rowB[j] >> 5) & 0x7;
+ const GLint rowBb1 = (rowB[k] >> 5) & 0x7;
+ const GLint rowCb0 = (rowC[j] >> 5) & 0x7;
+ const GLint rowCb1 = (rowC[k] >> 5) & 0x7;
+ const GLint rowDb0 = (rowD[j] >> 5) & 0x7;
+ const GLint rowDb1 = (rowD[k] >> 5) & 0x7;
+ const GLint r = FILTER_SUM_3D(rowAr0, rowAr1, rowBr0, rowBr1,
+ rowCr0, rowCr1, rowDr0, rowDr1);
+ const GLint g = FILTER_SUM_3D(rowAg0, rowAg1, rowBg0, rowBg1,
+ rowCg0, rowCg1, rowDg0, rowDg1);
+ const GLint b = FILTER_SUM_3D(rowAb0, rowAb1, rowBb0, rowBb1,
+ rowCb0, rowCb1, rowDb0, rowDb1);
+ dst[i] = (b << 5) | (g << 2) | r;
+ }
+ }
+ else if (datatype == MESA_UNSIGNED_BYTE_4_4 && comps == 2) {
+ DECLARE_ROW_POINTERS0(GLubyte);
+
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ const GLint rowAr0 = rowA[j] & 0xf;
+ const GLint rowAr1 = rowA[k] & 0xf;
+ const GLint rowBr0 = rowB[j] & 0xf;
+ const GLint rowBr1 = rowB[k] & 0xf;
+ const GLint rowCr0 = rowC[j] & 0xf;
+ const GLint rowCr1 = rowC[k] & 0xf;
+ const GLint rowDr0 = rowD[j] & 0xf;
+ const GLint rowDr1 = rowD[k] & 0xf;
+ const GLint rowAg0 = (rowA[j] >> 4) & 0xf;
+ const GLint rowAg1 = (rowA[k] >> 4) & 0xf;
+ const GLint rowBg0 = (rowB[j] >> 4) & 0xf;
+ const GLint rowBg1 = (rowB[k] >> 4) & 0xf;
+ const GLint rowCg0 = (rowC[j] >> 4) & 0xf;
+ const GLint rowCg1 = (rowC[k] >> 4) & 0xf;
+ const GLint rowDg0 = (rowD[j] >> 4) & 0xf;
+ const GLint rowDg1 = (rowD[k] >> 4) & 0xf;
+ const GLint r = FILTER_SUM_3D(rowAr0, rowAr1, rowBr0, rowBr1,
+ rowCr0, rowCr1, rowDr0, rowDr1);
+ const GLint g = FILTER_SUM_3D(rowAg0, rowAg1, rowBg0, rowBg1,
+ rowCg0, rowCg1, rowDg0, rowDg1);
+ dst[i] = (g << 4) | r;
+ }
+ }
+ else {
+ _mesa_problem(NULL, "bad format in do_row()");
+ }
+}
+
+
+/*
+ * These functions generate a 1/2-size mipmap image from a source image.
+ * Texture borders are handled by copying or averaging the source image's
+ * border texels, depending on the scale-down factor.
+ */
+
+static void
+make_1d_mipmap(GLenum datatype, GLuint comps, GLint border,
+ GLint srcWidth, const GLubyte *srcPtr,
+ GLint dstWidth, GLubyte *dstPtr)
+{
+ const GLint bpt = bytes_per_pixel(datatype, comps);
+ const GLubyte *src;
+ GLubyte *dst;
+
+ /* skip the border pixel, if any */
+ src = srcPtr + border * bpt;
+ dst = dstPtr + border * bpt;
+
+ /* we just duplicate the input row, kind of hack, saves code */
+ do_row(datatype, comps, srcWidth - 2 * border, src, src,
+ dstWidth - 2 * border, dst);
+
+ if (border) {
+ /* copy left-most pixel from source */
+ assert(dstPtr);
+ assert(srcPtr);
+ memcpy(dstPtr, srcPtr, bpt);
+ /* copy right-most pixel from source */
+ memcpy(dstPtr + (dstWidth - 1) * bpt,
+ srcPtr + (srcWidth - 1) * bpt,
+ bpt);
+ }
+}
+
+
+static void
+make_2d_mipmap(GLenum datatype, GLuint comps, GLint border,
+ GLint srcWidth, GLint srcHeight,
+ const GLubyte *srcPtr, GLint srcRowStride,
+ GLint dstWidth, GLint dstHeight,
+ GLubyte *dstPtr, GLint dstRowStride)
+{
+ const GLint bpt = bytes_per_pixel(datatype, comps);
+ const GLint srcWidthNB = srcWidth - 2 * border; /* sizes w/out border */
+ const GLint dstWidthNB = dstWidth - 2 * border;
+ const GLint dstHeightNB = dstHeight - 2 * border;
+ const GLint srcRowBytes = bpt * srcRowStride;
+ const GLint dstRowBytes = bpt * dstRowStride;
+ const GLubyte *srcA, *srcB;
+ GLubyte *dst;
+ GLint row, srcRowStep;
+
+ /* Compute src and dst pointers, skipping any border */
+ srcA = srcPtr + border * ((srcWidth + 1) * bpt);
+ if (srcHeight > 1 && srcHeight > dstHeight) {
+ /* sample from two source rows */
+ srcB = srcA + srcRowBytes;
+ srcRowStep = 2;
+ }
+ else {
+ /* sample from one source row */
+ srcB = srcA;
+ srcRowStep = 1;
+ }
+
+ dst = dstPtr + border * ((dstWidth + 1) * bpt);
+
+ for (row = 0; row < dstHeightNB; row++) {
+ do_row(datatype, comps, srcWidthNB, srcA, srcB,
+ dstWidthNB, dst);
+ srcA += srcRowStep * srcRowBytes;
+ srcB += srcRowStep * srcRowBytes;
+ dst += dstRowBytes;
+ }
+
+ /* This is ugly but probably won't be used much */
+ if (border > 0) {
+ /* fill in dest border */
+ /* lower-left border pixel */
+ assert(dstPtr);
+ assert(srcPtr);
+ memcpy(dstPtr, srcPtr, bpt);
+ /* lower-right border pixel */
+ memcpy(dstPtr + (dstWidth - 1) * bpt,
+ srcPtr + (srcWidth - 1) * bpt, bpt);
+ /* upper-left border pixel */
+ memcpy(dstPtr + dstWidth * (dstHeight - 1) * bpt,
+ srcPtr + srcWidth * (srcHeight - 1) * bpt, bpt);
+ /* upper-right border pixel */
+ memcpy(dstPtr + (dstWidth * dstHeight - 1) * bpt,
+ srcPtr + (srcWidth * srcHeight - 1) * bpt, bpt);
+ /* lower border */
+ do_row(datatype, comps, srcWidthNB,
+ srcPtr + bpt,
+ srcPtr + bpt,
+ dstWidthNB, dstPtr + bpt);
+ /* upper border */
+ do_row(datatype, comps, srcWidthNB,
+ srcPtr + (srcWidth * (srcHeight - 1) + 1) * bpt,
+ srcPtr + (srcWidth * (srcHeight - 1) + 1) * bpt,
+ dstWidthNB,
+ dstPtr + (dstWidth * (dstHeight - 1) + 1) * bpt);
+ /* left and right borders */
+ if (srcHeight == dstHeight) {
+ /* copy border pixel from src to dst */
+ for (row = 1; row < srcHeight; row++) {
+ memcpy(dstPtr + dstWidth * row * bpt,
+ srcPtr + srcWidth * row * bpt, bpt);
+ memcpy(dstPtr + (dstWidth * row + dstWidth - 1) * bpt,
+ srcPtr + (srcWidth * row + srcWidth - 1) * bpt, bpt);
+ }
+ }
+ else {
+ /* average two src pixels each dest pixel */
+ for (row = 0; row < dstHeightNB; row += 2) {
+ do_row(datatype, comps, 1,
+ srcPtr + (srcWidth * (row * 2 + 1)) * bpt,
+ srcPtr + (srcWidth * (row * 2 + 2)) * bpt,
+ 1, dstPtr + (dstWidth * row + 1) * bpt);
+ do_row(datatype, comps, 1,
+ srcPtr + (srcWidth * (row * 2 + 1) + srcWidth - 1) * bpt,
+ srcPtr + (srcWidth * (row * 2 + 2) + srcWidth - 1) * bpt,
+ 1, dstPtr + (dstWidth * row + 1 + dstWidth - 1) * bpt);
+ }
+ }
+ }
+}
+
+
+static void
+make_3d_mipmap(GLenum datatype, GLuint comps, GLint border,
+ GLint srcWidth, GLint srcHeight, GLint srcDepth,
+ const GLubyte *srcPtr, GLint srcRowStride,
+ GLint dstWidth, GLint dstHeight, GLint dstDepth,
+ GLubyte *dstPtr, GLint dstRowStride)
+{
+ const GLint bpt = bytes_per_pixel(datatype, comps);
+ const GLint srcWidthNB = srcWidth - 2 * border; /* sizes w/out border */
+ const GLint srcDepthNB = srcDepth - 2 * border;
+ const GLint dstWidthNB = dstWidth - 2 * border;
+ const GLint dstHeightNB = dstHeight - 2 * border;
+ const GLint dstDepthNB = dstDepth - 2 * border;
+ GLint img, row;
+ GLint bytesPerSrcImage, bytesPerDstImage;
+ GLint bytesPerSrcRow, bytesPerDstRow;
+ GLint srcImageOffset, srcRowOffset;
+
+ (void) srcDepthNB; /* silence warnings */
+
+
+ bytesPerSrcImage = srcWidth * srcHeight * bpt;
+ bytesPerDstImage = dstWidth * dstHeight * bpt;
+
+ bytesPerSrcRow = srcWidth * bpt;
+ bytesPerDstRow = dstWidth * bpt;
+
+ /* Offset between adjacent src images to be averaged together */
+ srcImageOffset = (srcDepth == dstDepth) ? 0 : bytesPerSrcImage;
+
+ /* Offset between adjacent src rows to be averaged together */
+ srcRowOffset = (srcHeight == dstHeight) ? 0 : srcWidth * bpt;
+
+ /*
+ * Need to average together up to 8 src pixels for each dest pixel.
+ * Break that down into 3 operations:
+ * 1. take two rows from source image and average them together.
+ * 2. take two rows from next source image and average them together.
+ * 3. take the two averaged rows and average them for the final dst row.
+ */
+
+ /*
+ printf("mip3d %d x %d x %d -> %d x %d x %d\n",
+ srcWidth, srcHeight, srcDepth, dstWidth, dstHeight, dstDepth);
+ */
+
+ for (img = 0; img < dstDepthNB; img++) {
+ /* first source image pointer, skipping border */
+ const GLubyte *imgSrcA = srcPtr
+ + (bytesPerSrcImage + bytesPerSrcRow + border) * bpt * border
+ + img * (bytesPerSrcImage + srcImageOffset);
+ /* second source image pointer, skipping border */
+ const GLubyte *imgSrcB = imgSrcA + srcImageOffset;
+ /* address of the dest image, skipping border */
+ GLubyte *imgDst = dstPtr
+ + (bytesPerDstImage + bytesPerDstRow + border) * bpt * border
+ + img * bytesPerDstImage;
+
+ /* setup the four source row pointers and the dest row pointer */
+ const GLubyte *srcImgARowA = imgSrcA;
+ const GLubyte *srcImgARowB = imgSrcA + srcRowOffset;
+ const GLubyte *srcImgBRowA = imgSrcB;
+ const GLubyte *srcImgBRowB = imgSrcB + srcRowOffset;
+ GLubyte *dstImgRow = imgDst;
+
+ for (row = 0; row < dstHeightNB; row++) {
+ do_row_3D(datatype, comps, srcWidthNB,
+ srcImgARowA, srcImgARowB,
+ srcImgBRowA, srcImgBRowB,
+ dstWidthNB, dstImgRow);
+
+ /* advance to next rows */
+ srcImgARowA += bytesPerSrcRow + srcRowOffset;
+ srcImgARowB += bytesPerSrcRow + srcRowOffset;
+ srcImgBRowA += bytesPerSrcRow + srcRowOffset;
+ srcImgBRowB += bytesPerSrcRow + srcRowOffset;
+ dstImgRow += bytesPerDstRow;
+ }
+ }
+
+
+ /* Luckily we can leverage the make_2d_mipmap() function here! */
+ if (border > 0) {
+ /* do front border image */
+ make_2d_mipmap(datatype, comps, 1, srcWidth, srcHeight, srcPtr, srcRowStride,
+ dstWidth, dstHeight, dstPtr, dstRowStride);
+ /* do back border image */
+ make_2d_mipmap(datatype, comps, 1, srcWidth, srcHeight,
+ srcPtr + bytesPerSrcImage * (srcDepth - 1), srcRowStride,
+ dstWidth, dstHeight,
+ dstPtr + bytesPerDstImage * (dstDepth - 1), dstRowStride);
+ /* do four remaining border edges that span the image slices */
+ if (srcDepth == dstDepth) {
+ /* just copy border pixels from src to dst */
+ for (img = 0; img < dstDepthNB; img++) {
+ const GLubyte *src;
+ GLubyte *dst;
+
+ /* do border along [img][row=0][col=0] */
+ src = srcPtr + (img + 1) * bytesPerSrcImage;
+ dst = dstPtr + (img + 1) * bytesPerDstImage;
+ memcpy(dst, src, bpt);
+
+ /* do border along [img][row=dstHeight-1][col=0] */
+ src = srcPtr + (img * 2 + 1) * bytesPerSrcImage
+ + (srcHeight - 1) * bytesPerSrcRow;
+ dst = dstPtr + (img + 1) * bytesPerDstImage
+ + (dstHeight - 1) * bytesPerDstRow;
+ memcpy(dst, src, bpt);
+
+ /* do border along [img][row=0][col=dstWidth-1] */
+ src = srcPtr + (img * 2 + 1) * bytesPerSrcImage
+ + (srcWidth - 1) * bpt;
+ dst = dstPtr + (img + 1) * bytesPerDstImage
+ + (dstWidth - 1) * bpt;
+ memcpy(dst, src, bpt);
+
+ /* do border along [img][row=dstHeight-1][col=dstWidth-1] */
+ src = srcPtr + (img * 2 + 1) * bytesPerSrcImage
+ + (bytesPerSrcImage - bpt);
+ dst = dstPtr + (img + 1) * bytesPerDstImage
+ + (bytesPerDstImage - bpt);
+ memcpy(dst, src, bpt);
+ }
+ }
+ else {
+ /* average border pixels from adjacent src image pairs */
+ ASSERT(srcDepthNB == 2 * dstDepthNB);
+ for (img = 0; img < dstDepthNB; img++) {
+ const GLubyte *src;
+ GLubyte *dst;
+
+ /* do border along [img][row=0][col=0] */
+ src = srcPtr + (img * 2 + 1) * bytesPerSrcImage;
+ dst = dstPtr + (img + 1) * bytesPerDstImage;
+ do_row(datatype, comps, 1, src, src + srcImageOffset, 1, dst);
+
+ /* do border along [img][row=dstHeight-1][col=0] */
+ src = srcPtr + (img * 2 + 1) * bytesPerSrcImage
+ + (srcHeight - 1) * bytesPerSrcRow;
+ dst = dstPtr + (img + 1) * bytesPerDstImage
+ + (dstHeight - 1) * bytesPerDstRow;
+ do_row(datatype, comps, 1, src, src + srcImageOffset, 1, dst);
+
+ /* do border along [img][row=0][col=dstWidth-1] */
+ src = srcPtr + (img * 2 + 1) * bytesPerSrcImage
+ + (srcWidth - 1) * bpt;
+ dst = dstPtr + (img + 1) * bytesPerDstImage
+ + (dstWidth - 1) * bpt;
+ do_row(datatype, comps, 1, src, src + srcImageOffset, 1, dst);
+
+ /* do border along [img][row=dstHeight-1][col=dstWidth-1] */
+ src = srcPtr + (img * 2 + 1) * bytesPerSrcImage
+ + (bytesPerSrcImage - bpt);
+ dst = dstPtr + (img + 1) * bytesPerDstImage
+ + (bytesPerDstImage - bpt);
+ do_row(datatype, comps, 1, src, src + srcImageOffset, 1, dst);
+ }
+ }
+ }
+}
+
+
+static void
+make_1d_stack_mipmap(GLenum datatype, GLuint comps, GLint border,
+ GLint srcWidth, const GLubyte *srcPtr, GLuint srcRowStride,
+ GLint dstWidth, GLint dstHeight,
+ GLubyte *dstPtr, GLuint dstRowStride )
+{
+ const GLint bpt = bytes_per_pixel(datatype, comps);
+ const GLint srcWidthNB = srcWidth - 2 * border; /* sizes w/out border */
+ const GLint dstWidthNB = dstWidth - 2 * border;
+ const GLint dstHeightNB = dstHeight - 2 * border;
+ const GLint srcRowBytes = bpt * srcRowStride;
+ const GLint dstRowBytes = bpt * dstRowStride;
+ const GLubyte *src;
+ GLubyte *dst;
+ GLint row;
+
+ /* Compute src and dst pointers, skipping any border */
+ src = srcPtr + border * ((srcWidth + 1) * bpt);
+ dst = dstPtr + border * ((dstWidth + 1) * bpt);
+
+ for (row = 0; row < dstHeightNB; row++) {
+ do_row(datatype, comps, srcWidthNB, src, src,
+ dstWidthNB, dst);
+ src += srcRowBytes;
+ dst += dstRowBytes;
+ }
+
+ if (border) {
+ /* copy left-most pixel from source */
+ assert(dstPtr);
+ assert(srcPtr);
+ memcpy(dstPtr, srcPtr, bpt);
+ /* copy right-most pixel from source */
+ memcpy(dstPtr + (dstWidth - 1) * bpt,
+ srcPtr + (srcWidth - 1) * bpt,
+ bpt);
+ }
+}
+
+
+/**
+ * \bug
+ * There is quite a bit of refactoring that could be done with this function
+ * and \c make_2d_mipmap.
+ */
+static void
+make_2d_stack_mipmap(GLenum datatype, GLuint comps, GLint border,
+ GLint srcWidth, GLint srcHeight,
+ const GLubyte *srcPtr, GLint srcRowStride,
+ GLint dstWidth, GLint dstHeight, GLint dstDepth,
+ GLubyte *dstPtr, GLint dstRowStride)
+{
+ const GLint bpt = bytes_per_pixel(datatype, comps);
+ const GLint srcWidthNB = srcWidth - 2 * border; /* sizes w/out border */
+ const GLint dstWidthNB = dstWidth - 2 * border;
+ const GLint dstHeightNB = dstHeight - 2 * border;
+ const GLint dstDepthNB = dstDepth - 2 * border;
+ const GLint srcRowBytes = bpt * srcRowStride;
+ const GLint dstRowBytes = bpt * dstRowStride;
+ const GLubyte *srcA, *srcB;
+ GLubyte *dst;
+ GLint layer;
+ GLint row;
+
+ /* Compute src and dst pointers, skipping any border */
+ srcA = srcPtr + border * ((srcWidth + 1) * bpt);
+ if (srcHeight > 1)
+ srcB = srcA + srcRowBytes;
+ else
+ srcB = srcA;
+ dst = dstPtr + border * ((dstWidth + 1) * bpt);
+
+ for (layer = 0; layer < dstDepthNB; layer++) {
+ for (row = 0; row < dstHeightNB; row++) {
+ do_row(datatype, comps, srcWidthNB, srcA, srcB,
+ dstWidthNB, dst);
+ srcA += 2 * srcRowBytes;
+ srcB += 2 * srcRowBytes;
+ dst += dstRowBytes;
+ }
+
+ /* This is ugly but probably won't be used much */
+ if (border > 0) {
+ /* fill in dest border */
+ /* lower-left border pixel */
+ assert(dstPtr);
+ assert(srcPtr);
+ memcpy(dstPtr, srcPtr, bpt);
+ /* lower-right border pixel */
+ memcpy(dstPtr + (dstWidth - 1) * bpt,
+ srcPtr + (srcWidth - 1) * bpt, bpt);
+ /* upper-left border pixel */
+ memcpy(dstPtr + dstWidth * (dstHeight - 1) * bpt,
+ srcPtr + srcWidth * (srcHeight - 1) * bpt, bpt);
+ /* upper-right border pixel */
+ memcpy(dstPtr + (dstWidth * dstHeight - 1) * bpt,
+ srcPtr + (srcWidth * srcHeight - 1) * bpt, bpt);
+ /* lower border */
+ do_row(datatype, comps, srcWidthNB,
+ srcPtr + bpt,
+ srcPtr + bpt,
+ dstWidthNB, dstPtr + bpt);
+ /* upper border */
+ do_row(datatype, comps, srcWidthNB,
+ srcPtr + (srcWidth * (srcHeight - 1) + 1) * bpt,
+ srcPtr + (srcWidth * (srcHeight - 1) + 1) * bpt,
+ dstWidthNB,
+ dstPtr + (dstWidth * (dstHeight - 1) + 1) * bpt);
+ /* left and right borders */
+ if (srcHeight == dstHeight) {
+ /* copy border pixel from src to dst */
+ for (row = 1; row < srcHeight; row++) {
+ memcpy(dstPtr + dstWidth * row * bpt,
+ srcPtr + srcWidth * row * bpt, bpt);
+ memcpy(dstPtr + (dstWidth * row + dstWidth - 1) * bpt,
+ srcPtr + (srcWidth * row + srcWidth - 1) * bpt, bpt);
+ }
+ }
+ else {
+ /* average two src pixels each dest pixel */
+ for (row = 0; row < dstHeightNB; row += 2) {
+ do_row(datatype, comps, 1,
+ srcPtr + (srcWidth * (row * 2 + 1)) * bpt,
+ srcPtr + (srcWidth * (row * 2 + 2)) * bpt,
+ 1, dstPtr + (dstWidth * row + 1) * bpt);
+ do_row(datatype, comps, 1,
+ srcPtr + (srcWidth * (row * 2 + 1) + srcWidth - 1) * bpt,
+ srcPtr + (srcWidth * (row * 2 + 2) + srcWidth - 1) * bpt,
+ 1, dstPtr + (dstWidth * row + 1 + dstWidth - 1) * bpt);
+ }
+ }
+ }
+ }
+}
+
+
+/**
+ * Down-sample a texture image to produce the next lower mipmap level.
+ * \param comps components per texel (1, 2, 3 or 4)
+ * \param srcRowStride stride between source rows, in texels
+ * \param dstRowStride stride between destination rows, in texels
+ */
+void
+_mesa_generate_mipmap_level(GLenum target,
+ GLenum datatype, GLuint comps,
+ GLint border,
+ GLint srcWidth, GLint srcHeight, GLint srcDepth,
+ const GLubyte *srcData,
+ GLint srcRowStride,
+ GLint dstWidth, GLint dstHeight, GLint dstDepth,
+ GLubyte *dstData,
+ GLint dstRowStride)
+{
+ /*
+ * We use simple 2x2 averaging to compute the next mipmap level.
+ */
+ switch (target) {
+ case GL_TEXTURE_1D:
+ make_1d_mipmap(datatype, comps, border,
+ srcWidth, srcData,
+ dstWidth, dstData);
+ break;
+ case GL_TEXTURE_2D:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
+ make_2d_mipmap(datatype, comps, border,
+ srcWidth, srcHeight, srcData, srcRowStride,
+ dstWidth, dstHeight, dstData, dstRowStride);
+ break;
+ case GL_TEXTURE_3D:
+ make_3d_mipmap(datatype, comps, border,
+ srcWidth, srcHeight, srcDepth,
+ srcData, srcRowStride,
+ dstWidth, dstHeight, dstDepth,
+ dstData, dstRowStride);
+ break;
+ case GL_TEXTURE_1D_ARRAY_EXT:
+ make_1d_stack_mipmap(datatype, comps, border,
+ srcWidth, srcData, srcRowStride,
+ dstWidth, dstHeight,
+ dstData, dstRowStride);
+ break;
+ case GL_TEXTURE_2D_ARRAY_EXT:
+ make_2d_stack_mipmap(datatype, comps, border,
+ srcWidth, srcHeight,
+ srcData, srcRowStride,
+ dstWidth, dstHeight,
+ dstDepth, dstData, dstRowStride);
+ break;
+ case GL_TEXTURE_RECTANGLE_NV:
+ /* no mipmaps, do nothing */
+ break;
+ default:
+ _mesa_problem(NULL, "bad dimensions in _mesa_generate_mipmaps");
+ return;
+ }
+}
+
+
+/**
+ * compute next (level+1) image size
+ * \return GL_FALSE if no smaller size can be generated (eg. src is 1x1x1 size)
+ */
+static GLboolean
+next_mipmap_level_size(GLenum target, GLint border,
+ GLint srcWidth, GLint srcHeight, GLint srcDepth,
+ GLint *dstWidth, GLint *dstHeight, GLint *dstDepth)
+{
+ if (srcWidth - 2 * border > 1) {
+ *dstWidth = (srcWidth - 2 * border) / 2 + 2 * border;
+ }
+ else {
+ *dstWidth = srcWidth; /* can't go smaller */
+ }
+
+ if ((srcHeight - 2 * border > 1) &&
+ (target != GL_TEXTURE_1D_ARRAY_EXT)) {
+ *dstHeight = (srcHeight - 2 * border) / 2 + 2 * border;
+ }
+ else {
+ *dstHeight = srcHeight; /* can't go smaller */
+ }
+
+ if ((srcDepth - 2 * border > 1) &&
+ (target != GL_TEXTURE_2D_ARRAY_EXT)) {
+ *dstDepth = (srcDepth - 2 * border) / 2 + 2 * border;
+ }
+ else {
+ *dstDepth = srcDepth; /* can't go smaller */
+ }
+
+ if (*dstWidth == srcWidth &&
+ *dstHeight == srcHeight &&
+ *dstDepth == srcDepth) {
+ return GL_FALSE;
+ }
+ else {
+ return GL_TRUE;
+ }
+}
+
+
+
+
+/**
+ * Automatic mipmap generation.
+ * This is the fallback/default function for ctx->Driver.GenerateMipmap().
+ * Generate a complete set of mipmaps from texObj's BaseLevel image.
+ * Stop at texObj's MaxLevel or when we get to the 1x1 texture.
+ * For cube maps, target will be one of
+ * GL_TEXTURE_CUBE_MAP_POSITIVE/NEGATIVE_X/Y/Z; never GL_TEXTURE_CUBE_MAP.
+ */
+void
+_mesa_generate_mipmap(struct gl_context *ctx, GLenum target,
+ struct gl_texture_object *texObj)
+{
+ const struct gl_texture_image *srcImage;
+ gl_format convertFormat;
+ const GLubyte *srcData = NULL;
+ GLubyte *dstData = NULL;
+ GLint level, maxLevels;
+ GLenum datatype;
+ GLuint comps;
+
+ ASSERT(texObj);
+ srcImage = _mesa_select_tex_image(ctx, texObj, target, texObj->BaseLevel);
+ ASSERT(srcImage);
+
+ maxLevels = _mesa_max_texture_levels(ctx, texObj->Target);
+ ASSERT(maxLevels > 0); /* bad target */
+
+ /* Find convertFormat - the format that do_row() will process */
+
+ if (_mesa_is_format_compressed(srcImage->TexFormat)) {
+ /* setup for compressed textures - need to allocate temporary
+ * image buffers to hold uncompressed images.
+ */
+ GLuint row;
+ GLint components, size;
+ GLchan *dst;
+
+ assert(texObj->Target == GL_TEXTURE_2D ||
+ texObj->Target == GL_TEXTURE_CUBE_MAP_ARB);
+
+ if (srcImage->_BaseFormat == GL_RGB) {
+ convertFormat = MESA_FORMAT_RGB888;
+ components = 3;
+ } else if (srcImage->_BaseFormat == GL_RED) {
+ convertFormat = MESA_FORMAT_R8;
+ components = 1;
+ } else if (srcImage->_BaseFormat == GL_RG) {
+ convertFormat = MESA_FORMAT_RG88;
+ components = 2;
+ } else if (srcImage->_BaseFormat == GL_RGBA) {
+ convertFormat = MESA_FORMAT_RGBA8888;
+ components = 4;
+ } else if (srcImage->_BaseFormat == GL_LUMINANCE) {
+ convertFormat = MESA_FORMAT_L8;
+ components = 1;
+ } else if (srcImage->_BaseFormat == GL_LUMINANCE_ALPHA) {
+ convertFormat = MESA_FORMAT_AL88;
+ components = 2;
+ } else {
+ _mesa_problem(ctx, "bad srcImage->_BaseFormat in _mesa_generate_mipmaps");
+ return;
+ }
+
+ /* allocate storage for uncompressed GL_RGB or GL_RGBA images */
+ size = _mesa_bytes_per_pixel(srcImage->_BaseFormat, CHAN_TYPE)
+ * srcImage->Width * srcImage->Height * srcImage->Depth + 20;
+ /* 20 extra bytes, just be safe when calling last FetchTexel */
+ srcData = (GLubyte *) malloc(size);
+ if (!srcData) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "generate mipmaps");
+ return;
+ }
+ dstData = (GLubyte *) malloc(size / 2); /* 1/4 would probably be OK */
+ if (!dstData) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "generate mipmaps");
+ free((void *) srcData);
+ return;
+ }
+
+ /* decompress base image here */
+ dst = (GLchan *) srcData;
+ for (row = 0; row < srcImage->Height; row++) {
+ GLuint col;
+ for (col = 0; col < srcImage->Width; col++) {
+ srcImage->FetchTexelc(srcImage, col, row, 0, dst);
+ dst += components;
+ }
+ }
+ }
+ else {
+ /* uncompressed */
+ convertFormat = srcImage->TexFormat;
+ }
+
+ _mesa_format_to_type_and_comps(convertFormat, &datatype, &comps);
+
+ for (level = texObj->BaseLevel; level < texObj->MaxLevel
+ && level < maxLevels - 1; level++) {
+ /* generate image[level+1] from image[level] */
+ const struct gl_texture_image *srcImage;
+ struct gl_texture_image *dstImage;
+ GLint srcWidth, srcHeight, srcDepth;
+ GLint dstWidth, dstHeight, dstDepth;
+ GLint border;
+ GLboolean nextLevel;
+
+ /* get src image parameters */
+ srcImage = _mesa_select_tex_image(ctx, texObj, target, level);
+ ASSERT(srcImage);
+ srcWidth = srcImage->Width;
+ srcHeight = srcImage->Height;
+ srcDepth = srcImage->Depth;
+ border = srcImage->Border;
+
+ nextLevel = next_mipmap_level_size(target, border,
+ srcWidth, srcHeight, srcDepth,
+ &dstWidth, &dstHeight, &dstDepth);
+ if (!nextLevel) {
+ /* all done */
+ if (_mesa_is_format_compressed(srcImage->TexFormat)) {
+ free((void *) srcData);
+ free(dstData);
+ }
+ return;
+ }
+
+ /* get dest gl_texture_image */
+ dstImage = _mesa_get_tex_image(ctx, texObj, target, level + 1);
+ if (!dstImage) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "generating mipmaps");
+ return;
+ }
+
+ /* Free old image data */
+ if (dstImage->Data)
+ ctx->Driver.FreeTexImageData(ctx, dstImage);
+
+ /* initialize new image */
+ _mesa_init_teximage_fields(ctx, target, dstImage, dstWidth, dstHeight,
+ dstDepth, border, srcImage->InternalFormat,
+ srcImage->TexFormat);
+ dstImage->DriverData = NULL;
+ dstImage->FetchTexelc = srcImage->FetchTexelc;
+ dstImage->FetchTexelf = srcImage->FetchTexelf;
+
+ /* Alloc new teximage data buffer */
+ {
+ GLuint size = _mesa_format_image_size(dstImage->TexFormat,
+ dstWidth, dstHeight, dstDepth);
+ dstImage->Data = _mesa_alloc_texmemory(size);
+ if (!dstImage->Data) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "generating mipmaps");
+ return;
+ }
+ }
+
+ /* Setup src and dest data pointers */
+ if (_mesa_is_format_compressed(dstImage->TexFormat)) {
+ /* srcData and dstData are already set */
+ ASSERT(srcData);
+ ASSERT(dstData);
+ }
+ else {
+ srcData = (const GLubyte *) srcImage->Data;
+ dstData = (GLubyte *) dstImage->Data;
+ }
+
+ ASSERT(dstImage->TexFormat);
+ ASSERT(dstImage->FetchTexelc);
+ ASSERT(dstImage->FetchTexelf);
+
+ _mesa_generate_mipmap_level(target, datatype, comps, border,
+ srcWidth, srcHeight, srcDepth,
+ srcData, srcImage->RowStride,
+ dstWidth, dstHeight, dstDepth,
+ dstData, dstImage->RowStride);
+
+
+ if (_mesa_is_format_compressed(dstImage->TexFormat)) {
+ GLubyte *temp;
+ /* compress image from dstData into dstImage->Data */
+ const GLenum srcFormat = _mesa_get_format_base_format(convertFormat);
+ GLint dstRowStride
+ = _mesa_format_row_stride(dstImage->TexFormat, dstWidth);
+ ASSERT(srcFormat == GL_RGB || srcFormat == GL_RGBA);
+
+ _mesa_texstore(ctx, 2, dstImage->_BaseFormat,
+ dstImage->TexFormat,
+ dstImage->Data,
+ 0, 0, 0, /* dstX/Y/Zoffset */
+ dstRowStride, 0, /* strides */
+ dstWidth, dstHeight, 1, /* size */
+ srcFormat, CHAN_TYPE,
+ dstData, /* src data, actually */
+ &ctx->DefaultPacking);
+
+ /* swap src and dest pointers */
+ temp = (GLubyte *) srcData;
+ srcData = dstData;
+ dstData = temp;
+ }
+
+ } /* loop over mipmap levels */
+}
+
+
+/**
+ * Helper function for drivers which need to rescale texture images to
+ * certain aspect ratios.
+ * Nearest filtering only (for broken hardware that can't support
+ * all aspect ratios). This can be made a lot faster, but I don't
+ * really care enough...
+ */
+void
+_mesa_rescale_teximage2d(GLuint bytesPerPixel,
+ GLuint srcStrideInPixels,
+ GLuint dstRowStride,
+ GLint srcWidth, GLint srcHeight,
+ GLint dstWidth, GLint dstHeight,
+ const GLvoid *srcImage, GLvoid *dstImage)
+{
+ GLint row, col;
+
+#define INNER_LOOP( TYPE, HOP, WOP ) \
+ for ( row = 0 ; row < dstHeight ; row++ ) { \
+ GLint srcRow = row HOP hScale; \
+ for ( col = 0 ; col < dstWidth ; col++ ) { \
+ GLint srcCol = col WOP wScale; \
+ dst[col] = src[srcRow * srcStrideInPixels + srcCol]; \
+ } \
+ dst = (TYPE *) ((GLubyte *) dst + dstRowStride); \
+ } \
+
+#define RESCALE_IMAGE( TYPE ) \
+do { \
+ const TYPE *src = (const TYPE *)srcImage; \
+ TYPE *dst = (TYPE *)dstImage; \
+ \
+ if ( srcHeight < dstHeight ) { \
+ const GLint hScale = dstHeight / srcHeight; \
+ if ( srcWidth < dstWidth ) { \
+ const GLint wScale = dstWidth / srcWidth; \
+ INNER_LOOP( TYPE, /, / ); \
+ } \
+ else { \
+ const GLint wScale = srcWidth / dstWidth; \
+ INNER_LOOP( TYPE, /, * ); \
+ } \
+ } \
+ else { \
+ const GLint hScale = srcHeight / dstHeight; \
+ if ( srcWidth < dstWidth ) { \
+ const GLint wScale = dstWidth / srcWidth; \
+ INNER_LOOP( TYPE, *, / ); \
+ } \
+ else { \
+ const GLint wScale = srcWidth / dstWidth; \
+ INNER_LOOP( TYPE, *, * ); \
+ } \
+ } \
+} while (0)
+
+ switch ( bytesPerPixel ) {
+ case 4:
+ RESCALE_IMAGE( GLuint );
+ break;
+
+ case 2:
+ RESCALE_IMAGE( GLushort );
+ break;
+
+ case 1:
+ RESCALE_IMAGE( GLubyte );
+ break;
+ default:
+ _mesa_problem(NULL,"unexpected bytes/pixel in _mesa_rescale_teximage2d");
+ }
+}
+
+
+/**
+ * Upscale an image by replication, not (typical) stretching.
+ * We use this when the image width or height is less than a
+ * certain size (4, 8) and we need to upscale an image.
+ */
+void
+_mesa_upscale_teximage2d(GLsizei inWidth, GLsizei inHeight,
+ GLsizei outWidth, GLsizei outHeight,
+ GLint comps, const GLchan *src, GLint srcRowStride,
+ GLchan *dest )
+{
+ GLint i, j, k;
+
+ ASSERT(outWidth >= inWidth);
+ ASSERT(outHeight >= inHeight);
+#if 0
+ ASSERT(inWidth == 1 || inWidth == 2 || inHeight == 1 || inHeight == 2);
+ ASSERT((outWidth & 3) == 0);
+ ASSERT((outHeight & 3) == 0);
+#endif
+
+ for (i = 0; i < outHeight; i++) {
+ const GLint ii = i % inHeight;
+ for (j = 0; j < outWidth; j++) {
+ const GLint jj = j % inWidth;
+ for (k = 0; k < comps; k++) {
+ dest[(i * outWidth + j) * comps + k]
+ = src[ii * srcRowStride + jj * comps + k];
+ }
+ }
+ }
+}
+
diff --git a/mesalib/src/mesa/main/mtypes.h b/mesalib/src/mesa/main/mtypes.h
index 39577bb02..94e449ae8 100644
--- a/mesalib/src/mesa/main/mtypes.h
+++ b/mesalib/src/mesa/main/mtypes.h
@@ -1,3357 +1,3357 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.7
- *
- * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
- * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/**
- * \file mtypes.h
- * Main Mesa data structures.
- *
- * Please try to mark derived values with a leading underscore ('_').
- */
-
-#ifndef MTYPES_H
-#define MTYPES_H
-
-
-#include "main/glheader.h"
-#include "main/config.h"
-#include "main/mfeatures.h"
-#include "glapi/glapi.h"
-#include "math/m_matrix.h" /* GLmatrix */
-#include "main/simple_list.h" /* struct simple_node */
-#include "main/formats.h" /* MESA_FORMAT_COUNT */
-
-
-/**
- * Color channel data type.
- */
-#if CHAN_BITS == 8
- typedef GLubyte GLchan;
-#define CHAN_MAX 255
-#define CHAN_MAXF 255.0F
-#define CHAN_TYPE GL_UNSIGNED_BYTE
-#elif CHAN_BITS == 16
- typedef GLushort GLchan;
-#define CHAN_MAX 65535
-#define CHAN_MAXF 65535.0F
-#define CHAN_TYPE GL_UNSIGNED_SHORT
-#elif CHAN_BITS == 32
- typedef GLfloat GLchan;
-#define CHAN_MAX 1.0
-#define CHAN_MAXF 1.0F
-#define CHAN_TYPE GL_FLOAT
-#else
-#error "illegal number of color channel bits"
-#endif
-
-
-/**
- * Stencil buffer data type.
- */
-#if STENCIL_BITS==8
- typedef GLubyte GLstencil;
-#elif STENCIL_BITS==16
- typedef GLushort GLstencil;
-#else
-# error "illegal number of stencil bits"
-#endif
-
-
-/**
- * \name 64-bit extension of GLbitfield.
- */
-/*@{*/
-typedef GLuint64 GLbitfield64;
-
-/** Set a single bit */
-#define BITFIELD64_BIT(b) ((GLbitfield64)1 << (b))
-
-
-/**
- * \name Some forward type declarations
- */
-/*@{*/
-struct _mesa_HashTable;
-struct gl_attrib_node;
-struct gl_list_extensions;
-struct gl_meta_state;
-struct gl_pixelstore_attrib;
-struct gl_program_cache;
-struct gl_texture_format;
-struct gl_texture_image;
-struct gl_texture_object;
-struct gl_context;
-struct st_context;
-/*@}*/
-
-
-/** Extra draw modes beyond GL_POINTS, GL_TRIANGLE_FAN, etc */
-#define PRIM_OUTSIDE_BEGIN_END (GL_POLYGON+1)
-#define PRIM_INSIDE_UNKNOWN_PRIM (GL_POLYGON+2)
-#define PRIM_UNKNOWN (GL_POLYGON+3)
-
-
-/**
- * Shader stages. Note that these will become 5 with tessellation.
- * These MUST have the same values as gallium's PIPE_SHADER_*
- */
-typedef enum
-{
- MESA_SHADER_VERTEX = 0,
- MESA_SHADER_FRAGMENT = 1,
- MESA_SHADER_GEOMETRY = 2,
- MESA_SHADER_TYPES = 3
-} gl_shader_type;
-
-
-
-/**
- * Indexes for vertex program attributes.
- * GL_NV_vertex_program aliases generic attributes over the conventional
- * attributes. In GL_ARB_vertex_program shader the aliasing is optional.
- * In GL_ARB_vertex_shader / OpenGL 2.0 the aliasing is disallowed (the
- * generic attributes are distinct/separate).
- */
-typedef enum
-{
- VERT_ATTRIB_POS = 0,
- VERT_ATTRIB_WEIGHT = 1,
- VERT_ATTRIB_NORMAL = 2,
- VERT_ATTRIB_COLOR0 = 3,
- VERT_ATTRIB_COLOR1 = 4,
- VERT_ATTRIB_FOG = 5,
- VERT_ATTRIB_COLOR_INDEX = 6,
- VERT_ATTRIB_POINT_SIZE = 6, /*alias*/
- VERT_ATTRIB_EDGEFLAG = 7,
- VERT_ATTRIB_TEX0 = 8,
- VERT_ATTRIB_TEX1 = 9,
- VERT_ATTRIB_TEX2 = 10,
- VERT_ATTRIB_TEX3 = 11,
- VERT_ATTRIB_TEX4 = 12,
- VERT_ATTRIB_TEX5 = 13,
- VERT_ATTRIB_TEX6 = 14,
- VERT_ATTRIB_TEX7 = 15,
- VERT_ATTRIB_GENERIC0 = 16,
- VERT_ATTRIB_GENERIC1 = 17,
- VERT_ATTRIB_GENERIC2 = 18,
- VERT_ATTRIB_GENERIC3 = 19,
- VERT_ATTRIB_GENERIC4 = 20,
- VERT_ATTRIB_GENERIC5 = 21,
- VERT_ATTRIB_GENERIC6 = 22,
- VERT_ATTRIB_GENERIC7 = 23,
- VERT_ATTRIB_GENERIC8 = 24,
- VERT_ATTRIB_GENERIC9 = 25,
- VERT_ATTRIB_GENERIC10 = 26,
- VERT_ATTRIB_GENERIC11 = 27,
- VERT_ATTRIB_GENERIC12 = 28,
- VERT_ATTRIB_GENERIC13 = 29,
- VERT_ATTRIB_GENERIC14 = 30,
- VERT_ATTRIB_GENERIC15 = 31,
- VERT_ATTRIB_MAX = 32
-} gl_vert_attrib;
-
-/**
- * Bitflags for vertex attributes.
- * These are used in bitfields in many places.
- */
-/*@{*/
-#define VERT_BIT_POS (1 << VERT_ATTRIB_POS)
-#define VERT_BIT_WEIGHT (1 << VERT_ATTRIB_WEIGHT)
-#define VERT_BIT_NORMAL (1 << VERT_ATTRIB_NORMAL)
-#define VERT_BIT_COLOR0 (1 << VERT_ATTRIB_COLOR0)
-#define VERT_BIT_COLOR1 (1 << VERT_ATTRIB_COLOR1)
-#define VERT_BIT_FOG (1 << VERT_ATTRIB_FOG)
-#define VERT_BIT_COLOR_INDEX (1 << VERT_ATTRIB_COLOR_INDEX)
-#define VERT_BIT_EDGEFLAG (1 << VERT_ATTRIB_EDGEFLAG)
-#define VERT_BIT_TEX0 (1 << VERT_ATTRIB_TEX0)
-#define VERT_BIT_TEX1 (1 << VERT_ATTRIB_TEX1)
-#define VERT_BIT_TEX2 (1 << VERT_ATTRIB_TEX2)
-#define VERT_BIT_TEX3 (1 << VERT_ATTRIB_TEX3)
-#define VERT_BIT_TEX4 (1 << VERT_ATTRIB_TEX4)
-#define VERT_BIT_TEX5 (1 << VERT_ATTRIB_TEX5)
-#define VERT_BIT_TEX6 (1 << VERT_ATTRIB_TEX6)
-#define VERT_BIT_TEX7 (1 << VERT_ATTRIB_TEX7)
-#define VERT_BIT_GENERIC0 (1 << VERT_ATTRIB_GENERIC0)
-#define VERT_BIT_GENERIC1 (1 << VERT_ATTRIB_GENERIC1)
-#define VERT_BIT_GENERIC2 (1 << VERT_ATTRIB_GENERIC2)
-#define VERT_BIT_GENERIC3 (1 << VERT_ATTRIB_GENERIC3)
-#define VERT_BIT_GENERIC4 (1 << VERT_ATTRIB_GENERIC4)
-#define VERT_BIT_GENERIC5 (1 << VERT_ATTRIB_GENERIC5)
-#define VERT_BIT_GENERIC6 (1 << VERT_ATTRIB_GENERIC6)
-#define VERT_BIT_GENERIC7 (1 << VERT_ATTRIB_GENERIC7)
-#define VERT_BIT_GENERIC8 (1 << VERT_ATTRIB_GENERIC8)
-#define VERT_BIT_GENERIC9 (1 << VERT_ATTRIB_GENERIC9)
-#define VERT_BIT_GENERIC10 (1 << VERT_ATTRIB_GENERIC10)
-#define VERT_BIT_GENERIC11 (1 << VERT_ATTRIB_GENERIC11)
-#define VERT_BIT_GENERIC12 (1 << VERT_ATTRIB_GENERIC12)
-#define VERT_BIT_GENERIC13 (1 << VERT_ATTRIB_GENERIC13)
-#define VERT_BIT_GENERIC14 (1 << VERT_ATTRIB_GENERIC14)
-#define VERT_BIT_GENERIC15 (1 << VERT_ATTRIB_GENERIC15)
-
-#define VERT_BIT_TEX(u) (1 << (VERT_ATTRIB_TEX0 + (u)))
-#define VERT_BIT_GENERIC(g) (1 << (VERT_ATTRIB_GENERIC0 + (g)))
-/*@}*/
-
-
-/**
- * Indexes for vertex program result attributes
- */
-typedef enum
-{
- VERT_RESULT_HPOS = 0,
- VERT_RESULT_COL0 = 1,
- VERT_RESULT_COL1 = 2,
- VERT_RESULT_FOGC = 3,
- VERT_RESULT_TEX0 = 4,
- VERT_RESULT_TEX1 = 5,
- VERT_RESULT_TEX2 = 6,
- VERT_RESULT_TEX3 = 7,
- VERT_RESULT_TEX4 = 8,
- VERT_RESULT_TEX5 = 9,
- VERT_RESULT_TEX6 = 10,
- VERT_RESULT_TEX7 = 11,
- VERT_RESULT_PSIZ = 12,
- VERT_RESULT_BFC0 = 13,
- VERT_RESULT_BFC1 = 14,
- VERT_RESULT_EDGE = 15,
- VERT_RESULT_VAR0 = 16, /**< shader varying */
- VERT_RESULT_MAX = (VERT_RESULT_VAR0 + MAX_VARYING)
-} gl_vert_result;
-
-
-/*********************************************/
-
-/**
- * Indexes for geometry program attributes.
- */
-typedef enum
-{
- GEOM_ATTRIB_POSITION = 0,
- GEOM_ATTRIB_COLOR0 = 1,
- GEOM_ATTRIB_COLOR1 = 2,
- GEOM_ATTRIB_SECONDARY_COLOR0 = 3,
- GEOM_ATTRIB_SECONDARY_COLOR1 = 4,
- GEOM_ATTRIB_FOG_FRAG_COORD = 5,
- GEOM_ATTRIB_POINT_SIZE = 6,
- GEOM_ATTRIB_CLIP_VERTEX = 7,
- GEOM_ATTRIB_PRIMITIVE_ID = 8,
- GEOM_ATTRIB_TEX_COORD = 9,
-
- GEOM_ATTRIB_VAR0 = 16,
- GEOM_ATTRIB_MAX = (GEOM_ATTRIB_VAR0 + MAX_VARYING)
-} gl_geom_attrib;
-
-/**
- * Bitflags for geometry attributes.
- * These are used in bitfields in many places.
- */
-/*@{*/
-#define GEOM_BIT_COLOR0 (1 << GEOM_ATTRIB_COLOR0)
-#define GEOM_BIT_COLOR1 (1 << GEOM_ATTRIB_COLOR1)
-#define GEOM_BIT_SCOLOR0 (1 << GEOM_ATTRIB_SECONDARY_COLOR0)
-#define GEOM_BIT_SCOLOR1 (1 << GEOM_ATTRIB_SECONDARY_COLOR1)
-#define GEOM_BIT_TEX_COORD (1 << GEOM_ATTRIB_TEX_COORD)
-#define GEOM_BIT_FOG_COORD (1 << GEOM_ATTRIB_FOG_FRAG_COORD)
-#define GEOM_BIT_POSITION (1 << GEOM_ATTRIB_POSITION)
-#define GEOM_BIT_POINT_SIDE (1 << GEOM_ATTRIB_POINT_SIZE)
-#define GEOM_BIT_CLIP_VERTEX (1 << GEOM_ATTRIB_CLIP_VERTEX)
-#define GEOM_BIT_PRIM_ID (1 << GEOM_ATTRIB_PRIMITIVE_ID)
-#define GEOM_BIT_VAR0 (1 << GEOM_ATTRIB_VAR0)
-
-#define GEOM_BIT_VAR(g) (1 << (GEOM_BIT_VAR0 + (g)))
-/*@}*/
-
-
-/**
- * Indexes for geometry program result attributes
- */
-typedef enum
-{
- GEOM_RESULT_POS = 0,
- GEOM_RESULT_COL0 = 1,
- GEOM_RESULT_COL1 = 2,
- GEOM_RESULT_SCOL0 = 3,
- GEOM_RESULT_SCOL1 = 4,
- GEOM_RESULT_FOGC = 5,
- GEOM_RESULT_TEX0 = 6,
- GEOM_RESULT_TEX1 = 7,
- GEOM_RESULT_TEX2 = 8,
- GEOM_RESULT_TEX3 = 9,
- GEOM_RESULT_TEX4 = 10,
- GEOM_RESULT_TEX5 = 11,
- GEOM_RESULT_TEX6 = 12,
- GEOM_RESULT_TEX7 = 13,
- GEOM_RESULT_PSIZ = 14,
- GEOM_RESULT_CLPV = 15,
- GEOM_RESULT_PRID = 16,
- GEOM_RESULT_LAYR = 17,
- GEOM_RESULT_VAR0 = 18, /**< shader varying, should really be 16 */
- /* ### we need to -2 because var0 is 18 instead 16 like in the others */
- GEOM_RESULT_MAX = (GEOM_RESULT_VAR0 + MAX_VARYING - 2)
-} gl_geom_result;
-
-
-/**
- * Indexes for fragment program input attributes.
- */
-typedef enum
-{
- FRAG_ATTRIB_WPOS = 0,
- FRAG_ATTRIB_COL0 = 1,
- FRAG_ATTRIB_COL1 = 2,
- FRAG_ATTRIB_FOGC = 3,
- FRAG_ATTRIB_TEX0 = 4,
- FRAG_ATTRIB_TEX1 = 5,
- FRAG_ATTRIB_TEX2 = 6,
- FRAG_ATTRIB_TEX3 = 7,
- FRAG_ATTRIB_TEX4 = 8,
- FRAG_ATTRIB_TEX5 = 9,
- FRAG_ATTRIB_TEX6 = 10,
- FRAG_ATTRIB_TEX7 = 11,
- FRAG_ATTRIB_FACE = 12, /**< front/back face */
- FRAG_ATTRIB_PNTC = 13, /**< sprite/point coord */
- FRAG_ATTRIB_VAR0 = 14, /**< shader varying */
- FRAG_ATTRIB_MAX = (FRAG_ATTRIB_VAR0 + MAX_VARYING)
-} gl_frag_attrib;
-
-/**
- * Bitflags for fragment program input attributes.
- */
-/*@{*/
-#define FRAG_BIT_WPOS (1 << FRAG_ATTRIB_WPOS)
-#define FRAG_BIT_COL0 (1 << FRAG_ATTRIB_COL0)
-#define FRAG_BIT_COL1 (1 << FRAG_ATTRIB_COL1)
-#define FRAG_BIT_FOGC (1 << FRAG_ATTRIB_FOGC)
-#define FRAG_BIT_FACE (1 << FRAG_ATTRIB_FACE)
-#define FRAG_BIT_PNTC (1 << FRAG_ATTRIB_PNTC)
-#define FRAG_BIT_TEX0 (1 << FRAG_ATTRIB_TEX0)
-#define FRAG_BIT_TEX1 (1 << FRAG_ATTRIB_TEX1)
-#define FRAG_BIT_TEX2 (1 << FRAG_ATTRIB_TEX2)
-#define FRAG_BIT_TEX3 (1 << FRAG_ATTRIB_TEX3)
-#define FRAG_BIT_TEX4 (1 << FRAG_ATTRIB_TEX4)
-#define FRAG_BIT_TEX5 (1 << FRAG_ATTRIB_TEX5)
-#define FRAG_BIT_TEX6 (1 << FRAG_ATTRIB_TEX6)
-#define FRAG_BIT_TEX7 (1 << FRAG_ATTRIB_TEX7)
-#define FRAG_BIT_VAR0 (1 << FRAG_ATTRIB_VAR0)
-
-#define FRAG_BIT_TEX(U) (FRAG_BIT_TEX0 << (U))
-#define FRAG_BIT_VAR(V) (FRAG_BIT_VAR0 << (V))
-
-#define FRAG_BITS_TEX_ANY (FRAG_BIT_TEX0| \
- FRAG_BIT_TEX1| \
- FRAG_BIT_TEX2| \
- FRAG_BIT_TEX3| \
- FRAG_BIT_TEX4| \
- FRAG_BIT_TEX5| \
- FRAG_BIT_TEX6| \
- FRAG_BIT_TEX7)
-/*@}*/
-
-
-/**
- * Fragment program results
- */
-typedef enum
-{
- FRAG_RESULT_DEPTH = 0,
- FRAG_RESULT_STENCIL = 1,
- FRAG_RESULT_COLOR = 2,
- FRAG_RESULT_DATA0 = 3,
- FRAG_RESULT_MAX = (FRAG_RESULT_DATA0 + MAX_DRAW_BUFFERS)
-} gl_frag_result;
-
-
-/**
- * Indexes for all renderbuffers
- */
-typedef enum
-{
- /* the four standard color buffers */
- BUFFER_FRONT_LEFT,
- BUFFER_BACK_LEFT,
- BUFFER_FRONT_RIGHT,
- BUFFER_BACK_RIGHT,
- BUFFER_DEPTH,
- BUFFER_STENCIL,
- BUFFER_ACCUM,
- /* optional aux buffer */
- BUFFER_AUX0,
- /* generic renderbuffers */
- BUFFER_COLOR0,
- BUFFER_COLOR1,
- BUFFER_COLOR2,
- BUFFER_COLOR3,
- BUFFER_COLOR4,
- BUFFER_COLOR5,
- BUFFER_COLOR6,
- BUFFER_COLOR7,
- BUFFER_COUNT
-} gl_buffer_index;
-
-/**
- * Bit flags for all renderbuffers
- */
-#define BUFFER_BIT_FRONT_LEFT (1 << BUFFER_FRONT_LEFT)
-#define BUFFER_BIT_BACK_LEFT (1 << BUFFER_BACK_LEFT)
-#define BUFFER_BIT_FRONT_RIGHT (1 << BUFFER_FRONT_RIGHT)
-#define BUFFER_BIT_BACK_RIGHT (1 << BUFFER_BACK_RIGHT)
-#define BUFFER_BIT_AUX0 (1 << BUFFER_AUX0)
-#define BUFFER_BIT_AUX1 (1 << BUFFER_AUX1)
-#define BUFFER_BIT_AUX2 (1 << BUFFER_AUX2)
-#define BUFFER_BIT_AUX3 (1 << BUFFER_AUX3)
-#define BUFFER_BIT_DEPTH (1 << BUFFER_DEPTH)
-#define BUFFER_BIT_STENCIL (1 << BUFFER_STENCIL)
-#define BUFFER_BIT_ACCUM (1 << BUFFER_ACCUM)
-#define BUFFER_BIT_COLOR0 (1 << BUFFER_COLOR0)
-#define BUFFER_BIT_COLOR1 (1 << BUFFER_COLOR1)
-#define BUFFER_BIT_COLOR2 (1 << BUFFER_COLOR2)
-#define BUFFER_BIT_COLOR3 (1 << BUFFER_COLOR3)
-#define BUFFER_BIT_COLOR4 (1 << BUFFER_COLOR4)
-#define BUFFER_BIT_COLOR5 (1 << BUFFER_COLOR5)
-#define BUFFER_BIT_COLOR6 (1 << BUFFER_COLOR6)
-#define BUFFER_BIT_COLOR7 (1 << BUFFER_COLOR7)
-
-/**
- * Mask of all the color buffer bits (but not accum).
- */
-#define BUFFER_BITS_COLOR (BUFFER_BIT_FRONT_LEFT | \
- BUFFER_BIT_BACK_LEFT | \
- BUFFER_BIT_FRONT_RIGHT | \
- BUFFER_BIT_BACK_RIGHT | \
- BUFFER_BIT_AUX0 | \
- BUFFER_BIT_COLOR0 | \
- BUFFER_BIT_COLOR1 | \
- BUFFER_BIT_COLOR2 | \
- BUFFER_BIT_COLOR3 | \
- BUFFER_BIT_COLOR4 | \
- BUFFER_BIT_COLOR5 | \
- BUFFER_BIT_COLOR6 | \
- BUFFER_BIT_COLOR7)
-
-
-/**
- * Framebuffer configuration (aka visual / pixelformat)
- * Note: some of these fields should be boolean, but it appears that
- * code in drivers/dri/common/util.c requires int-sized fields.
- */
-struct gl_config
-{
- GLboolean rgbMode;
- GLboolean floatMode;
- GLboolean colorIndexMode; /* XXX is this used anywhere? */
- GLuint doubleBufferMode;
- GLuint stereoMode;
-
- GLboolean haveAccumBuffer;
- GLboolean haveDepthBuffer;
- GLboolean haveStencilBuffer;
-
- GLint redBits, greenBits, blueBits, alphaBits; /* bits per comp */
- GLuint redMask, greenMask, blueMask, alphaMask;
- GLint rgbBits; /* total bits for rgb */
- GLint indexBits; /* total bits for colorindex */
-
- GLint accumRedBits, accumGreenBits, accumBlueBits, accumAlphaBits;
- GLint depthBits;
- GLint stencilBits;
-
- GLint numAuxBuffers;
-
- GLint level;
-
- /* EXT_visual_rating / GLX 1.2 */
- GLint visualRating;
-
- /* EXT_visual_info / GLX 1.2 */
- GLint transparentPixel;
- /* colors are floats scaled to ints */
- GLint transparentRed, transparentGreen, transparentBlue, transparentAlpha;
- GLint transparentIndex;
-
- /* ARB_multisample / SGIS_multisample */
- GLint sampleBuffers;
- GLint samples;
-
- /* SGIX_pbuffer / GLX 1.3 */
- GLint maxPbufferWidth;
- GLint maxPbufferHeight;
- GLint maxPbufferPixels;
- GLint optimalPbufferWidth; /* Only for SGIX_pbuffer. */
- GLint optimalPbufferHeight; /* Only for SGIX_pbuffer. */
-
- /* OML_swap_method */
- GLint swapMethod;
-
- /* EXT_texture_from_pixmap */
- GLint bindToTextureRgb;
- GLint bindToTextureRgba;
- GLint bindToMipmapTexture;
- GLint bindToTextureTargets;
- GLint yInverted;
-
- /* EXT_framebuffer_sRGB */
- GLint sRGBCapable;
-};
-
-
-/**
- * Data structure for color tables
- */
-struct gl_color_table
-{
- GLenum InternalFormat; /**< The user-specified format */
- GLenum _BaseFormat; /**< GL_ALPHA, GL_RGBA, GL_RGB, etc */
- GLuint Size; /**< number of entries in table */
- GLfloat *TableF; /**< Color table, floating point values */
- GLubyte *TableUB; /**< Color table, ubyte values */
- GLubyte RedSize;
- GLubyte GreenSize;
- GLubyte BlueSize;
- GLubyte AlphaSize;
- GLubyte LuminanceSize;
- GLubyte IntensitySize;
-};
-
-
-/**
- * \name Bit flags used for updating material values.
- */
-/*@{*/
-#define MAT_ATTRIB_FRONT_AMBIENT 0
-#define MAT_ATTRIB_BACK_AMBIENT 1
-#define MAT_ATTRIB_FRONT_DIFFUSE 2
-#define MAT_ATTRIB_BACK_DIFFUSE 3
-#define MAT_ATTRIB_FRONT_SPECULAR 4
-#define MAT_ATTRIB_BACK_SPECULAR 5
-#define MAT_ATTRIB_FRONT_EMISSION 6
-#define MAT_ATTRIB_BACK_EMISSION 7
-#define MAT_ATTRIB_FRONT_SHININESS 8
-#define MAT_ATTRIB_BACK_SHININESS 9
-#define MAT_ATTRIB_FRONT_INDEXES 10
-#define MAT_ATTRIB_BACK_INDEXES 11
-#define MAT_ATTRIB_MAX 12
-
-#define MAT_ATTRIB_AMBIENT(f) (MAT_ATTRIB_FRONT_AMBIENT+(f))
-#define MAT_ATTRIB_DIFFUSE(f) (MAT_ATTRIB_FRONT_DIFFUSE+(f))
-#define MAT_ATTRIB_SPECULAR(f) (MAT_ATTRIB_FRONT_SPECULAR+(f))
-#define MAT_ATTRIB_EMISSION(f) (MAT_ATTRIB_FRONT_EMISSION+(f))
-#define MAT_ATTRIB_SHININESS(f)(MAT_ATTRIB_FRONT_SHININESS+(f))
-#define MAT_ATTRIB_INDEXES(f) (MAT_ATTRIB_FRONT_INDEXES+(f))
-
-#define MAT_INDEX_AMBIENT 0
-#define MAT_INDEX_DIFFUSE 1
-#define MAT_INDEX_SPECULAR 2
-
-#define MAT_BIT_FRONT_AMBIENT (1<<MAT_ATTRIB_FRONT_AMBIENT)
-#define MAT_BIT_BACK_AMBIENT (1<<MAT_ATTRIB_BACK_AMBIENT)
-#define MAT_BIT_FRONT_DIFFUSE (1<<MAT_ATTRIB_FRONT_DIFFUSE)
-#define MAT_BIT_BACK_DIFFUSE (1<<MAT_ATTRIB_BACK_DIFFUSE)
-#define MAT_BIT_FRONT_SPECULAR (1<<MAT_ATTRIB_FRONT_SPECULAR)
-#define MAT_BIT_BACK_SPECULAR (1<<MAT_ATTRIB_BACK_SPECULAR)
-#define MAT_BIT_FRONT_EMISSION (1<<MAT_ATTRIB_FRONT_EMISSION)
-#define MAT_BIT_BACK_EMISSION (1<<MAT_ATTRIB_BACK_EMISSION)
-#define MAT_BIT_FRONT_SHININESS (1<<MAT_ATTRIB_FRONT_SHININESS)
-#define MAT_BIT_BACK_SHININESS (1<<MAT_ATTRIB_BACK_SHININESS)
-#define MAT_BIT_FRONT_INDEXES (1<<MAT_ATTRIB_FRONT_INDEXES)
-#define MAT_BIT_BACK_INDEXES (1<<MAT_ATTRIB_BACK_INDEXES)
-
-
-#define FRONT_MATERIAL_BITS (MAT_BIT_FRONT_EMISSION | \
- MAT_BIT_FRONT_AMBIENT | \
- MAT_BIT_FRONT_DIFFUSE | \
- MAT_BIT_FRONT_SPECULAR | \
- MAT_BIT_FRONT_SHININESS | \
- MAT_BIT_FRONT_INDEXES)
-
-#define BACK_MATERIAL_BITS (MAT_BIT_BACK_EMISSION | \
- MAT_BIT_BACK_AMBIENT | \
- MAT_BIT_BACK_DIFFUSE | \
- MAT_BIT_BACK_SPECULAR | \
- MAT_BIT_BACK_SHININESS | \
- MAT_BIT_BACK_INDEXES)
-
-#define ALL_MATERIAL_BITS (FRONT_MATERIAL_BITS | BACK_MATERIAL_BITS)
-/*@}*/
-
-
-#define EXP_TABLE_SIZE 512 /**< Specular exponent lookup table sizes */
-#define SHINE_TABLE_SIZE 256 /**< Material shininess lookup table sizes */
-
-/**
- * Material shininess lookup table.
- */
-struct gl_shine_tab
-{
- struct gl_shine_tab *next, *prev;
- GLfloat tab[SHINE_TABLE_SIZE+1];
- GLfloat shininess;
- GLuint refcount;
-};
-
-
-/**
- * Light source state.
- */
-struct gl_light
-{
- struct gl_light *next; /**< double linked list with sentinel */
- struct gl_light *prev;
-
- GLfloat Ambient[4]; /**< ambient color */
- GLfloat Diffuse[4]; /**< diffuse color */
- GLfloat Specular[4]; /**< specular color */
- GLfloat EyePosition[4]; /**< position in eye coordinates */
- GLfloat SpotDirection[4]; /**< spotlight direction in eye coordinates */
- GLfloat SpotExponent;
- GLfloat SpotCutoff; /**< in degrees */
- GLfloat _CosCutoffNeg; /**< = cos(SpotCutoff) */
- GLfloat _CosCutoff; /**< = MAX(0, cos(SpotCutoff)) */
- GLfloat ConstantAttenuation;
- GLfloat LinearAttenuation;
- GLfloat QuadraticAttenuation;
- GLboolean Enabled; /**< On/off flag */
-
- /**
- * \name Derived fields
- */
- /*@{*/
- GLbitfield _Flags; /**< State */
-
- GLfloat _Position[4]; /**< position in eye/obj coordinates */
- GLfloat _VP_inf_norm[3]; /**< Norm direction to infinite light */
- GLfloat _h_inf_norm[3]; /**< Norm( _VP_inf_norm + <0,0,1> ) */
- GLfloat _NormSpotDirection[4]; /**< normalized spotlight direction */
- GLfloat _VP_inf_spot_attenuation;
-
- GLfloat _SpotExpTable[EXP_TABLE_SIZE][2]; /**< to replace a pow() call */
- GLfloat _MatAmbient[2][3]; /**< material ambient * light ambient */
- GLfloat _MatDiffuse[2][3]; /**< material diffuse * light diffuse */
- GLfloat _MatSpecular[2][3]; /**< material spec * light specular */
- GLfloat _dli; /**< CI diffuse light intensity */
- GLfloat _sli; /**< CI specular light intensity */
- /*@}*/
-};
-
-
-/**
- * Light model state.
- */
-struct gl_lightmodel
-{
- GLfloat Ambient[4]; /**< ambient color */
- GLboolean LocalViewer; /**< Local (or infinite) view point? */
- GLboolean TwoSide; /**< Two (or one) sided lighting? */
- GLenum ColorControl; /**< either GL_SINGLE_COLOR
- * or GL_SEPARATE_SPECULAR_COLOR */
-};
-
-
-/**
- * Material state.
- */
-struct gl_material
-{
- GLfloat Attrib[MAT_ATTRIB_MAX][4];
-};
-
-
-/**
- * Accumulation buffer attribute group (GL_ACCUM_BUFFER_BIT)
- */
-struct gl_accum_attrib
-{
- GLfloat ClearColor[4]; /**< Accumulation buffer clear color */
-};
-
-
-/**
- * Color buffer attribute group (GL_COLOR_BUFFER_BIT).
- */
-struct gl_colorbuffer_attrib
-{
- GLuint ClearIndex; /**< Index to use for glClear */
- GLclampf ClearColor[4]; /**< Color to use for glClear */
-
- GLuint IndexMask; /**< Color index write mask */
- GLubyte ColorMask[MAX_DRAW_BUFFERS][4];/**< Each flag is 0xff or 0x0 */
-
- GLenum DrawBuffer[MAX_DRAW_BUFFERS]; /**< Which buffer to draw into */
-
- /**
- * \name alpha testing
- */
- /*@{*/
- GLboolean AlphaEnabled; /**< Alpha test enabled flag */
- GLenum AlphaFunc; /**< Alpha test function */
- GLclampf AlphaRef; /**< Alpha reference value */
- /*@}*/
-
- /**
- * \name Blending
- */
- /*@{*/
- GLbitfield BlendEnabled; /**< Per-buffer blend enable flags */
- GLfloat BlendColor[4]; /**< Blending color */
- struct
- {
- GLenum SrcRGB; /**< RGB blend source term */
- GLenum DstRGB; /**< RGB blend dest term */
- GLenum SrcA; /**< Alpha blend source term */
- GLenum DstA; /**< Alpha blend dest term */
- GLenum EquationRGB; /**< GL_ADD, GL_SUBTRACT, etc. */
- GLenum EquationA; /**< GL_ADD, GL_SUBTRACT, etc. */
- } Blend[MAX_DRAW_BUFFERS];
- /** Are the blend func terms currently different for each buffer/target? */
- GLboolean _BlendFuncPerBuffer;
- /** Are the blend equations currently different for each buffer/target? */
- GLboolean _BlendEquationPerBuffer;
- /*@}*/
-
- /**
- * \name Logic op
- */
- /*@{*/
- GLenum LogicOp; /**< Logic operator */
- GLboolean IndexLogicOpEnabled; /**< Color index logic op enabled flag */
- GLboolean ColorLogicOpEnabled; /**< RGBA logic op enabled flag */
- GLboolean _LogicOpEnabled; /**< RGBA logic op + EXT_blend_logic_op enabled flag */
- /*@}*/
-
- GLboolean DitherFlag; /**< Dither enable flag */
-
- GLenum ClampFragmentColor; /**< GL_TRUE, GL_FALSE or GL_FIXED_ONLY_ARB */
- GLenum ClampReadColor; /**< GL_TRUE, GL_FALSE or GL_FIXED_ONLY_ARB */
-
- GLboolean sRGBEnabled; /**< Framebuffer sRGB blending/updating requested */
-};
-
-
-/**
- * Current attribute group (GL_CURRENT_BIT).
- */
-struct gl_current_attrib
-{
- /**
- * \name Current vertex attributes.
- * \note Values are valid only after FLUSH_VERTICES has been called.
- * \note Index and Edgeflag current values are stored as floats in the
- * SIX and SEVEN attribute slots.
- */
- GLfloat Attrib[VERT_ATTRIB_MAX][4]; /**< Position, color, texcoords, etc */
-
- /**
- * \name Current raster position attributes (always valid).
- * \note This set of attributes is very similar to the SWvertex struct.
- */
- /*@{*/
- GLfloat RasterPos[4];
- GLfloat RasterDistance;
- GLfloat RasterColor[4];
- GLfloat RasterSecondaryColor[4];
- GLfloat RasterTexCoords[MAX_TEXTURE_COORD_UNITS][4];
- GLboolean RasterPosValid;
- /*@}*/
-};
-
-
-/**
- * Depth buffer attribute group (GL_DEPTH_BUFFER_BIT).
- */
-struct gl_depthbuffer_attrib
-{
- GLenum Func; /**< Function for depth buffer compare */
- GLclampd Clear; /**< Value to clear depth buffer to */
- GLboolean Test; /**< Depth buffering enabled flag */
- GLboolean Mask; /**< Depth buffer writable? */
- GLboolean BoundsTest; /**< GL_EXT_depth_bounds_test */
- GLfloat BoundsMin, BoundsMax;/**< GL_EXT_depth_bounds_test */
-};
-
-
-/**
- * Evaluator attribute group (GL_EVAL_BIT).
- */
-struct gl_eval_attrib
-{
- /**
- * \name Enable bits
- */
- /*@{*/
- GLboolean Map1Color4;
- GLboolean Map1Index;
- GLboolean Map1Normal;
- GLboolean Map1TextureCoord1;
- GLboolean Map1TextureCoord2;
- GLboolean Map1TextureCoord3;
- GLboolean Map1TextureCoord4;
- GLboolean Map1Vertex3;
- GLboolean Map1Vertex4;
- GLboolean Map1Attrib[16]; /* GL_NV_vertex_program */
- GLboolean Map2Color4;
- GLboolean Map2Index;
- GLboolean Map2Normal;
- GLboolean Map2TextureCoord1;
- GLboolean Map2TextureCoord2;
- GLboolean Map2TextureCoord3;
- GLboolean Map2TextureCoord4;
- GLboolean Map2Vertex3;
- GLboolean Map2Vertex4;
- GLboolean Map2Attrib[16]; /* GL_NV_vertex_program */
- GLboolean AutoNormal;
- /*@}*/
-
- /**
- * \name Map Grid endpoints and divisions and calculated du values
- */
- /*@{*/
- GLint MapGrid1un;
- GLfloat MapGrid1u1, MapGrid1u2, MapGrid1du;
- GLint MapGrid2un, MapGrid2vn;
- GLfloat MapGrid2u1, MapGrid2u2, MapGrid2du;
- GLfloat MapGrid2v1, MapGrid2v2, MapGrid2dv;
- /*@}*/
-};
-
-
-/**
- * Fog attribute group (GL_FOG_BIT).
- */
-struct gl_fog_attrib
-{
- GLboolean Enabled; /**< Fog enabled flag */
- GLfloat Color[4]; /**< Fog color */
- GLfloat Density; /**< Density >= 0.0 */
- GLfloat Start; /**< Start distance in eye coords */
- GLfloat End; /**< End distance in eye coords */
- GLfloat Index; /**< Fog index */
- GLenum Mode; /**< Fog mode */
- GLboolean ColorSumEnabled;
- GLenum FogCoordinateSource; /**< GL_EXT_fog_coord */
- GLfloat _Scale; /**< (End == Start) ? 1.0 : 1.0 / (End - Start) */
-};
-
-
-/**
- * \brief Layout qualifiers for gl_FragDepth.
- *
- * Extension AMD_conservative_depth allows gl_FragDepth to be redeclared with
- * a layout qualifier.
- *
- * \see enum ir_depth_layout
- */
-enum gl_frag_depth_layout {
- FRAG_DEPTH_LAYOUT_NONE, /**< No layout is specified. */
- FRAG_DEPTH_LAYOUT_ANY,
- FRAG_DEPTH_LAYOUT_GREATER,
- FRAG_DEPTH_LAYOUT_LESS,
- FRAG_DEPTH_LAYOUT_UNCHANGED
-};
-
-
-/**
- * Hint attribute group (GL_HINT_BIT).
- *
- * Values are always one of GL_FASTEST, GL_NICEST, or GL_DONT_CARE.
- */
-struct gl_hint_attrib
-{
- GLenum PerspectiveCorrection;
- GLenum PointSmooth;
- GLenum LineSmooth;
- GLenum PolygonSmooth;
- GLenum Fog;
- GLenum ClipVolumeClipping; /**< GL_EXT_clip_volume_hint */
- GLenum TextureCompression; /**< GL_ARB_texture_compression */
- GLenum GenerateMipmap; /**< GL_SGIS_generate_mipmap */
- GLenum FragmentShaderDerivative; /**< GL_ARB_fragment_shader */
-};
-
-/**
- * Light state flags.
- */
-/*@{*/
-#define LIGHT_SPOT 0x1
-#define LIGHT_LOCAL_VIEWER 0x2
-#define LIGHT_POSITIONAL 0x4
-#define LIGHT_NEED_VERTICES (LIGHT_POSITIONAL|LIGHT_LOCAL_VIEWER)
-/*@}*/
-
-
-/**
- * Lighting attribute group (GL_LIGHT_BIT).
- */
-struct gl_light_attrib
-{
- struct gl_light Light[MAX_LIGHTS]; /**< Array of light sources */
- struct gl_lightmodel Model; /**< Lighting model */
-
- /**
- * Must flush FLUSH_VERTICES before referencing:
- */
- /*@{*/
- struct gl_material Material; /**< Includes front & back values */
- /*@}*/
-
- GLboolean Enabled; /**< Lighting enabled flag */
- GLenum ShadeModel; /**< GL_FLAT or GL_SMOOTH */
- GLenum ProvokingVertex; /**< GL_EXT_provoking_vertex */
- GLenum ColorMaterialFace; /**< GL_FRONT, BACK or FRONT_AND_BACK */
- GLenum ColorMaterialMode; /**< GL_AMBIENT, GL_DIFFUSE, etc */
- GLbitfield ColorMaterialBitmask; /**< bitmask formed from Face and Mode */
- GLboolean ColorMaterialEnabled;
- GLenum ClampVertexColor;
-
- struct gl_light EnabledList; /**< List sentinel */
-
- /**
- * Derived state for optimizations:
- */
- /*@{*/
- GLboolean _NeedEyeCoords;
- GLboolean _NeedVertices; /**< Use fast shader? */
- GLbitfield _Flags; /**< LIGHT_* flags, see above */
- GLfloat _BaseColor[2][3];
- /*@}*/
-};
-
-
-/**
- * Line attribute group (GL_LINE_BIT).
- */
-struct gl_line_attrib
-{
- GLboolean SmoothFlag; /**< GL_LINE_SMOOTH enabled? */
- GLboolean StippleFlag; /**< GL_LINE_STIPPLE enabled? */
- GLushort StipplePattern; /**< Stipple pattern */
- GLint StippleFactor; /**< Stipple repeat factor */
- GLfloat Width; /**< Line width */
-};
-
-
-/**
- * Display list attribute group (GL_LIST_BIT).
- */
-struct gl_list_attrib
-{
- GLuint ListBase;
-};
-
-
-/**
- * Multisample attribute group (GL_MULTISAMPLE_BIT).
- */
-struct gl_multisample_attrib
-{
- GLboolean Enabled;
- GLboolean _Enabled; /**< true if Enabled and multisample buffer */
- GLboolean SampleAlphaToCoverage;
- GLboolean SampleAlphaToOne;
- GLboolean SampleCoverage;
- GLfloat SampleCoverageValue;
- GLboolean SampleCoverageInvert;
-};
-
-
-/**
- * A pixelmap (see glPixelMap)
- */
-struct gl_pixelmap
-{
- GLint Size;
- GLfloat Map[MAX_PIXEL_MAP_TABLE];
- GLubyte Map8[MAX_PIXEL_MAP_TABLE]; /**< converted to 8-bit color */
-};
-
-
-/**
- * Collection of all pixelmaps
- */
-struct gl_pixelmaps
-{
- struct gl_pixelmap RtoR; /**< i.e. GL_PIXEL_MAP_R_TO_R */
- struct gl_pixelmap GtoG;
- struct gl_pixelmap BtoB;
- struct gl_pixelmap AtoA;
- struct gl_pixelmap ItoR;
- struct gl_pixelmap ItoG;
- struct gl_pixelmap ItoB;
- struct gl_pixelmap ItoA;
- struct gl_pixelmap ItoI;
- struct gl_pixelmap StoS;
-};
-
-
-/**
- * Pixel attribute group (GL_PIXEL_MODE_BIT).
- */
-struct gl_pixel_attrib
-{
- GLenum ReadBuffer; /**< source buffer for glRead/CopyPixels() */
-
- /*--- Begin Pixel Transfer State ---*/
- /* Fields are in the order in which they're applied... */
-
- /** Scale & Bias (index shift, offset) */
- /*@{*/
- GLfloat RedBias, RedScale;
- GLfloat GreenBias, GreenScale;
- GLfloat BlueBias, BlueScale;
- GLfloat AlphaBias, AlphaScale;
- GLfloat DepthBias, DepthScale;
- GLint IndexShift, IndexOffset;
- /*@}*/
-
- /* Pixel Maps */
- /* Note: actual pixel maps are not part of this attrib group */
- GLboolean MapColorFlag;
- GLboolean MapStencilFlag;
-
- /*--- End Pixel Transfer State ---*/
-
- /** glPixelZoom */
- GLfloat ZoomX, ZoomY;
-};
-
-
-/**
- * Point attribute group (GL_POINT_BIT).
- */
-struct gl_point_attrib
-{
- GLboolean SmoothFlag; /**< True if GL_POINT_SMOOTH is enabled */
- GLfloat Size; /**< User-specified point size */
- GLfloat Params[3]; /**< GL_EXT_point_parameters */
- GLfloat MinSize, MaxSize; /**< GL_EXT_point_parameters */
- GLfloat Threshold; /**< GL_EXT_point_parameters */
- GLboolean _Attenuated; /**< True if Params != [1, 0, 0] */
- GLboolean PointSprite; /**< GL_NV/ARB_point_sprite */
- GLboolean CoordReplace[MAX_TEXTURE_COORD_UNITS]; /**< GL_ARB_point_sprite*/
- GLenum SpriteRMode; /**< GL_NV_point_sprite (only!) */
- GLenum SpriteOrigin; /**< GL_ARB_point_sprite */
-};
-
-
-/**
- * Polygon attribute group (GL_POLYGON_BIT).
- */
-struct gl_polygon_attrib
-{
- GLenum FrontFace; /**< Either GL_CW or GL_CCW */
- GLenum FrontMode; /**< Either GL_POINT, GL_LINE or GL_FILL */
- GLenum BackMode; /**< Either GL_POINT, GL_LINE or GL_FILL */
- GLboolean _FrontBit; /**< 0=GL_CCW, 1=GL_CW */
- GLboolean CullFlag; /**< Culling on/off flag */
- GLboolean SmoothFlag; /**< True if GL_POLYGON_SMOOTH is enabled */
- GLboolean StippleFlag; /**< True if GL_POLYGON_STIPPLE is enabled */
- GLenum CullFaceMode; /**< Culling mode GL_FRONT or GL_BACK */
- GLfloat OffsetFactor; /**< Polygon offset factor, from user */
- GLfloat OffsetUnits; /**< Polygon offset units, from user */
- GLboolean OffsetPoint; /**< Offset in GL_POINT mode */
- GLboolean OffsetLine; /**< Offset in GL_LINE mode */
- GLboolean OffsetFill; /**< Offset in GL_FILL mode */
-};
-
-
-/**
- * Scissor attributes (GL_SCISSOR_BIT).
- */
-struct gl_scissor_attrib
-{
- GLboolean Enabled; /**< Scissor test enabled? */
- GLint X, Y; /**< Lower left corner of box */
- GLsizei Width, Height; /**< Size of box */
-};
-
-
-/**
- * Stencil attribute group (GL_STENCIL_BUFFER_BIT).
- *
- * Three sets of stencil data are tracked so that OpenGL 2.0,
- * GL_EXT_stencil_two_side, and GL_ATI_separate_stencil can all be supported
- * simultaneously. In each of the stencil state arrays, element 0 corresponds
- * to GL_FRONT. Element 1 corresponds to the OpenGL 2.0 /
- * GL_ATI_separate_stencil GL_BACK state. Element 2 corresponds to the
- * GL_EXT_stencil_two_side GL_BACK state.
- *
- * The derived value \c _BackFace is either 1 or 2 depending on whether or
- * not GL_STENCIL_TEST_TWO_SIDE_EXT is enabled.
- *
- * The derived value \c _TestTwoSide is set when the front-face and back-face
- * stencil state are different.
- */
-struct gl_stencil_attrib
-{
- GLboolean Enabled; /**< Enabled flag */
- GLboolean TestTwoSide; /**< GL_EXT_stencil_two_side */
- GLubyte ActiveFace; /**< GL_EXT_stencil_two_side (0 or 2) */
- GLboolean _Enabled; /**< Enabled and stencil buffer present */
- GLboolean _TestTwoSide;
- GLubyte _BackFace; /**< Current back stencil state (1 or 2) */
- GLenum Function[3]; /**< Stencil function */
- GLenum FailFunc[3]; /**< Fail function */
- GLenum ZPassFunc[3]; /**< Depth buffer pass function */
- GLenum ZFailFunc[3]; /**< Depth buffer fail function */
- GLint Ref[3]; /**< Reference value */
- GLuint ValueMask[3]; /**< Value mask */
- GLuint WriteMask[3]; /**< Write mask */
- GLuint Clear; /**< Clear value */
-};
-
-
-/**
- * An index for each type of texture object. These correspond to the GL
- * texture target enums, such as GL_TEXTURE_2D, GL_TEXTURE_CUBE_MAP, etc.
- * Note: the order is from highest priority to lowest priority.
- */
-typedef enum
-{
- TEXTURE_2D_ARRAY_INDEX,
- TEXTURE_1D_ARRAY_INDEX,
- TEXTURE_CUBE_INDEX,
- TEXTURE_3D_INDEX,
- TEXTURE_RECT_INDEX,
- TEXTURE_2D_INDEX,
- TEXTURE_1D_INDEX,
- NUM_TEXTURE_TARGETS
-} gl_texture_index;
-
-
-/**
- * Bit flags for each type of texture object
- * Used for Texture.Unit[]._ReallyEnabled flags.
- */
-/*@{*/
-#define TEXTURE_2D_ARRAY_BIT (1 << TEXTURE_2D_ARRAY_INDEX)
-#define TEXTURE_1D_ARRAY_BIT (1 << TEXTURE_1D_ARRAY_INDEX)
-#define TEXTURE_CUBE_BIT (1 << TEXTURE_CUBE_INDEX)
-#define TEXTURE_3D_BIT (1 << TEXTURE_3D_INDEX)
-#define TEXTURE_RECT_BIT (1 << TEXTURE_RECT_INDEX)
-#define TEXTURE_2D_BIT (1 << TEXTURE_2D_INDEX)
-#define TEXTURE_1D_BIT (1 << TEXTURE_1D_INDEX)
-/*@}*/
-
-
-/**
- * TexGenEnabled flags.
- */
-/*@{*/
-#define S_BIT 1
-#define T_BIT 2
-#define R_BIT 4
-#define Q_BIT 8
-#define STR_BITS (S_BIT | T_BIT | R_BIT)
-/*@}*/
-
-
-/**
- * Bit flag versions of the corresponding GL_ constants.
- */
-/*@{*/
-#define TEXGEN_SPHERE_MAP 0x1
-#define TEXGEN_OBJ_LINEAR 0x2
-#define TEXGEN_EYE_LINEAR 0x4
-#define TEXGEN_REFLECTION_MAP_NV 0x8
-#define TEXGEN_NORMAL_MAP_NV 0x10
-
-#define TEXGEN_NEED_NORMALS (TEXGEN_SPHERE_MAP | \
- TEXGEN_REFLECTION_MAP_NV | \
- TEXGEN_NORMAL_MAP_NV)
-#define TEXGEN_NEED_EYE_COORD (TEXGEN_SPHERE_MAP | \
- TEXGEN_REFLECTION_MAP_NV | \
- TEXGEN_NORMAL_MAP_NV | \
- TEXGEN_EYE_LINEAR)
-/*@}*/
-
-
-
-/** Tex-gen enabled for texture unit? */
-#define ENABLE_TEXGEN(unit) (1 << (unit))
-
-/** Non-identity texture matrix for texture unit? */
-#define ENABLE_TEXMAT(unit) (1 << (unit))
-
-
-/**
- * Texel fetch function prototype. We use texel fetch functions to
- * extract RGBA, color indexes and depth components out of 1D, 2D and 3D
- * texture images. These functions help to isolate us from the gritty
- * details of all the various texture image encodings.
- *
- * \param texImage texture image.
- * \param col texel column.
- * \param row texel row.
- * \param img texel image level/layer.
- * \param texelOut output texel (up to 4 GLchans)
- */
-typedef void (*FetchTexelFuncC)( const struct gl_texture_image *texImage,
- GLint col, GLint row, GLint img,
- GLchan *texelOut );
-
-/**
- * As above, but returns floats.
- * Used for depth component images and for upcoming signed/float
- * texture images.
- */
-typedef void (*FetchTexelFuncF)( const struct gl_texture_image *texImage,
- GLint col, GLint row, GLint img,
- GLfloat *texelOut );
-
-
-typedef void (*StoreTexelFunc)(struct gl_texture_image *texImage,
- GLint col, GLint row, GLint img,
- const void *texel);
-
-
-/**
- * Texture image state. Describes the dimensions of a texture image,
- * the texel format and pointers to Texel Fetch functions.
- */
-struct gl_texture_image
-{
- GLint InternalFormat; /**< Internal format as given by the user */
- GLenum _BaseFormat; /**< Either GL_RGB, GL_RGBA, GL_ALPHA,
- * GL_LUMINANCE, GL_LUMINANCE_ALPHA,
- * GL_INTENSITY, GL_COLOR_INDEX,
- * GL_DEPTH_COMPONENT or GL_DEPTH_STENCIL_EXT
- * only. Used for choosing TexEnv arithmetic.
- */
- gl_format TexFormat; /**< The actual texture memory format */
-
- GLuint Border; /**< 0 or 1 */
- GLuint Width; /**< = 2^WidthLog2 + 2*Border */
- GLuint Height; /**< = 2^HeightLog2 + 2*Border */
- GLuint Depth; /**< = 2^DepthLog2 + 2*Border */
- GLuint Width2; /**< = Width - 2*Border */
- GLuint Height2; /**< = Height - 2*Border */
- GLuint Depth2; /**< = Depth - 2*Border */
- GLuint WidthLog2; /**< = log2(Width2) */
- GLuint HeightLog2; /**< = log2(Height2) */
- GLuint DepthLog2; /**< = log2(Depth2) */
- GLuint MaxLog2; /**< = MAX(WidthLog2, HeightLog2) */
- GLfloat WidthScale; /**< used for mipmap LOD computation */
- GLfloat HeightScale; /**< used for mipmap LOD computation */
- GLfloat DepthScale; /**< used for mipmap LOD computation */
- GLboolean IsClientData; /**< Data owned by client? */
- GLboolean _IsPowerOfTwo; /**< Are all dimensions powers of two? */
-
- struct gl_texture_object *TexObject; /**< Pointer back to parent object */
-
- FetchTexelFuncC FetchTexelc; /**< GLchan texel fetch function pointer */
- FetchTexelFuncF FetchTexelf; /**< Float texel fetch function pointer */
-
- GLuint RowStride; /**< Padded width in units of texels */
- GLuint *ImageOffsets; /**< if 3D texture: array [Depth] of offsets to
- each 2D slice in 'Data', in texels */
- GLvoid *Data; /**< Image data, accessed via FetchTexel() */
-
- /**
- * \name For device driver:
- */
- /*@{*/
- void *DriverData; /**< Arbitrary device driver data */
- /*@}*/
-};
-
-
-/**
- * Indexes for cube map faces.
- */
-typedef enum
-{
- FACE_POS_X = 0,
- FACE_NEG_X = 1,
- FACE_POS_Y = 2,
- FACE_NEG_Y = 3,
- FACE_POS_Z = 4,
- FACE_NEG_Z = 5,
- MAX_FACES = 6
-} gl_face_index;
-
-
-/**
- * Texture object state. Contains the array of mipmap images, border color,
- * wrap modes, filter modes, shadow/texcompare state, and the per-texture
- * color palette.
- */
-struct gl_texture_object
-{
- _glthread_Mutex Mutex; /**< for thread safety */
- GLint RefCount; /**< reference count */
- GLuint Name; /**< the user-visible texture object ID */
- GLenum Target; /**< GL_TEXTURE_1D, GL_TEXTURE_2D, etc. */
- GLfloat Priority; /**< in [0,1] */
- union {
- GLfloat f[4];
- GLuint ui[4];
- GLint i[4];
- } BorderColor; /**< Interpreted according to texture format */
- GLenum WrapS; /**< S-axis texture image wrap mode */
- GLenum WrapT; /**< T-axis texture image wrap mode */
- GLenum WrapR; /**< R-axis texture image wrap mode */
- GLenum MinFilter; /**< minification filter */
- GLenum MagFilter; /**< magnification filter */
- GLfloat MinLod; /**< min lambda, OpenGL 1.2 */
- GLfloat MaxLod; /**< max lambda, OpenGL 1.2 */
- GLfloat LodBias; /**< OpenGL 1.4 */
- GLint BaseLevel; /**< min mipmap level, OpenGL 1.2 */
- GLint MaxLevel; /**< max mipmap level, OpenGL 1.2 */
- GLfloat MaxAnisotropy; /**< GL_EXT_texture_filter_anisotropic */
- GLenum CompareMode; /**< GL_ARB_shadow */
- GLenum CompareFunc; /**< GL_ARB_shadow */
- GLfloat CompareFailValue; /**< GL_ARB_shadow_ambient */
- GLenum DepthMode; /**< GL_ARB_depth_texture */
- GLint _MaxLevel; /**< actual max mipmap level (q in the spec) */
- GLfloat _MaxLambda; /**< = _MaxLevel - BaseLevel (q - b in spec) */
- GLint CropRect[4]; /**< GL_OES_draw_texture */
- GLenum Swizzle[4]; /**< GL_EXT_texture_swizzle */
- GLuint _Swizzle; /**< same as Swizzle, but SWIZZLE_* format */
- GLboolean GenerateMipmap; /**< GL_SGIS_generate_mipmap */
- GLboolean _Complete; /**< Is texture object complete? */
- GLboolean _RenderToTexture; /**< Any rendering to this texture? */
- GLboolean Purgeable; /**< Is the buffer purgeable under memory pressure? */
- GLenum sRGBDecode; /**< GL_DECODE_EXT or GL_SKIP_DECODE_EXT */
-
- /** Actual texture images, indexed by [cube face] and [mipmap level] */
- struct gl_texture_image *Image[MAX_FACES][MAX_TEXTURE_LEVELS];
-
- /** GL_EXT_paletted_texture */
- struct gl_color_table Palette;
-
- /**
- * \name For device driver.
- * Note: instead of attaching driver data to this pointer, it's preferable
- * to instead use this struct as a base class for your own texture object
- * class. Driver->NewTextureObject() can be used to implement the
- * allocation.
- */
- void *DriverData; /**< Arbitrary device driver data */
-};
-
-
-/** Up to four combiner sources are possible with GL_NV_texture_env_combine4 */
-#define MAX_COMBINER_TERMS 4
-
-
-/**
- * Texture combine environment state.
- */
-struct gl_tex_env_combine_state
-{
- GLenum ModeRGB; /**< GL_REPLACE, GL_DECAL, GL_ADD, etc. */
- GLenum ModeA; /**< GL_REPLACE, GL_DECAL, GL_ADD, etc. */
- /** Source terms: GL_PRIMARY_COLOR, GL_TEXTURE, etc */
- GLenum SourceRGB[MAX_COMBINER_TERMS];
- GLenum SourceA[MAX_COMBINER_TERMS];
- /** Source operands: GL_SRC_COLOR, GL_ONE_MINUS_SRC_COLOR, etc */
- GLenum OperandRGB[MAX_COMBINER_TERMS];
- GLenum OperandA[MAX_COMBINER_TERMS];
- GLuint ScaleShiftRGB; /**< 0, 1 or 2 */
- GLuint ScaleShiftA; /**< 0, 1 or 2 */
- GLuint _NumArgsRGB; /**< Number of inputs used for the RGB combiner */
- GLuint _NumArgsA; /**< Number of inputs used for the A combiner */
-};
-
-
-/**
- * Texture coord generation state.
- */
-struct gl_texgen
-{
- GLenum Mode; /**< GL_EYE_LINEAR, GL_SPHERE_MAP, etc */
- GLbitfield _ModeBit; /**< TEXGEN_x bit corresponding to Mode */
- GLfloat ObjectPlane[4];
- GLfloat EyePlane[4];
-};
-
-
-/**
- * Texture unit state. Contains enable flags, texture environment/function/
- * combiners, texgen state, pointers to current texture objects and
- * post-filter color tables.
- */
-struct gl_texture_unit
-{
- GLbitfield Enabled; /**< bitmask of TEXTURE_*_BIT flags */
- GLbitfield _ReallyEnabled; /**< 0 or exactly one of TEXTURE_*_BIT flags */
-
- GLenum EnvMode; /**< GL_MODULATE, GL_DECAL, GL_BLEND, etc. */
- GLfloat EnvColor[4];
-
- struct gl_texgen GenS;
- struct gl_texgen GenT;
- struct gl_texgen GenR;
- struct gl_texgen GenQ;
- GLbitfield TexGenEnabled; /**< Bitwise-OR of [STRQ]_BIT values */
- GLbitfield _GenFlags; /**< Bitwise-OR of Gen[STRQ]._ModeBit */
-
- GLfloat LodBias; /**< for biasing mipmap levels */
- GLenum BumpTarget;
- GLfloat RotMatrix[4]; /* 2x2 matrix */
-
- /**
- * \name GL_EXT_texture_env_combine
- */
- struct gl_tex_env_combine_state Combine;
-
- /**
- * Derived state based on \c EnvMode and the \c BaseFormat of the
- * currently enabled texture.
- */
- struct gl_tex_env_combine_state _EnvMode;
-
- /**
- * Currently enabled combiner state. This will point to either
- * \c Combine or \c _EnvMode.
- */
- struct gl_tex_env_combine_state *_CurrentCombine;
-
- /** Current texture object pointers */
- struct gl_texture_object *CurrentTex[NUM_TEXTURE_TARGETS];
-
- /** Points to highest priority, complete and enabled texture object */
- struct gl_texture_object *_Current;
-};
-
-
-/**
- * Texture attribute group (GL_TEXTURE_BIT).
- */
-struct gl_texture_attrib
-{
- GLuint CurrentUnit; /**< GL_ACTIVE_TEXTURE */
- struct gl_texture_unit Unit[MAX_COMBINED_TEXTURE_IMAGE_UNITS];
-
- struct gl_texture_object *ProxyTex[NUM_TEXTURE_TARGETS];
-
- /** GL_ARB_seamless_cubemap */
- GLboolean CubeMapSeamless;
-
- /** GL_EXT_shared_texture_palette */
- GLboolean SharedPalette;
- struct gl_color_table Palette;
-
- /** Texture units/samplers used by vertex or fragment texturing */
- GLbitfield _EnabledUnits;
-
- /** Texture coord units/sets used for fragment texturing */
- GLbitfield _EnabledCoordUnits;
-
- /** Texture coord units that have texgen enabled */
- GLbitfield _TexGenEnabled;
-
- /** Texture coord units that have non-identity matrices */
- GLbitfield _TexMatEnabled;
-
- /** Bitwise-OR of all Texture.Unit[i]._GenFlags */
- GLbitfield _GenFlags;
-};
-
-
-/**
- * Transformation attribute group (GL_TRANSFORM_BIT).
- */
-struct gl_transform_attrib
-{
- GLenum MatrixMode; /**< Matrix mode */
- GLfloat EyeUserPlane[MAX_CLIP_PLANES][4]; /**< User clip planes */
- GLfloat _ClipUserPlane[MAX_CLIP_PLANES][4]; /**< derived */
- GLbitfield ClipPlanesEnabled; /**< on/off bitmask */
- GLboolean Normalize; /**< Normalize all normals? */
- GLboolean RescaleNormals; /**< GL_EXT_rescale_normal */
- GLboolean RasterPositionUnclipped; /**< GL_IBM_rasterpos_clip */
- GLboolean DepthClamp; /**< GL_ARB_depth_clamp */
-
- GLfloat CullEyePos[4];
- GLfloat CullObjPos[4];
-};
-
-
-/**
- * Viewport attribute group (GL_VIEWPORT_BIT).
- */
-struct gl_viewport_attrib
-{
- GLint X, Y; /**< position */
- GLsizei Width, Height; /**< size */
- GLfloat Near, Far; /**< Depth buffer range */
- GLmatrix _WindowMap; /**< Mapping transformation as a matrix. */
-};
-
-
-/**
- * GL_ARB_vertex/pixel_buffer_object buffer object
- */
-struct gl_buffer_object
-{
- _glthread_Mutex Mutex;
- GLint RefCount;
- GLuint Name;
- GLenum Usage; /**< GL_STREAM_DRAW_ARB, GL_STREAM_READ_ARB, etc. */
- GLsizeiptrARB Size; /**< Size of buffer storage in bytes */
- GLubyte *Data; /**< Location of storage either in RAM or VRAM. */
- /** Fields describing a mapped buffer */
- /*@{*/
- GLbitfield AccessFlags; /**< Mask of GL_MAP_x_BIT flags */
- GLvoid *Pointer; /**< User-space address of mapping */
- GLintptr Offset; /**< Mapped offset */
- GLsizeiptr Length; /**< Mapped length */
- /*@}*/
- GLboolean Written; /**< Ever written to? (for debugging) */
- GLboolean Purgeable; /**< Is the buffer purgeable under memory pressure? */
-};
-
-
-/**
- * Client pixel packing/unpacking attributes
- */
-struct gl_pixelstore_attrib
-{
- GLint Alignment;
- GLint RowLength;
- GLint SkipPixels;
- GLint SkipRows;
- GLint ImageHeight;
- GLint SkipImages;
- GLboolean SwapBytes;
- GLboolean LsbFirst;
- GLboolean ClientStorage; /**< GL_APPLE_client_storage */
- GLboolean Invert; /**< GL_MESA_pack_invert */
- struct gl_buffer_object *BufferObj; /**< GL_ARB_pixel_buffer_object */
-};
-
-
-/**
- * Client vertex array attributes
- */
-struct gl_client_array
-{
- GLint Size; /**< components per element (1,2,3,4) */
- GLenum Type; /**< datatype: GL_FLOAT, GL_INT, etc */
- GLenum Format; /**< default: GL_RGBA, but may be GL_BGRA */
- GLsizei Stride; /**< user-specified stride */
- GLsizei StrideB; /**< actual stride in bytes */
- const GLubyte *Ptr; /**< Points to array data */
- GLboolean Enabled; /**< Enabled flag is a boolean */
- GLboolean Normalized; /**< GL_ARB_vertex_program */
- GLboolean Integer; /**< Integer-valued? */
- GLuint InstanceDivisor; /**< GL_ARB_instanced_arrays */
- GLuint _ElementSize; /**< size of each element in bytes */
-
- struct gl_buffer_object *BufferObj;/**< GL_ARB_vertex_buffer_object */
- GLuint _MaxElement; /**< max element index into array buffer + 1 */
-};
-
-
-/**
- * Collection of vertex arrays. Defined by the GL_APPLE_vertex_array_object
- * extension, but a nice encapsulation in any case.
- */
-struct gl_array_object
-{
- /** Name of the array object as received from glGenVertexArrayAPPLE. */
- GLuint Name;
-
- GLint RefCount;
- _glthread_Mutex Mutex;
- GLboolean VBOonly; /**< require all arrays to live in VBOs? */
-
- /** Conventional vertex arrays */
- /*@{*/
- struct gl_client_array Vertex;
- struct gl_client_array Weight;
- struct gl_client_array Normal;
- struct gl_client_array Color;
- struct gl_client_array SecondaryColor;
- struct gl_client_array FogCoord;
- struct gl_client_array Index;
- struct gl_client_array EdgeFlag;
- struct gl_client_array TexCoord[MAX_TEXTURE_COORD_UNITS];
- struct gl_client_array PointSize;
- /*@}*/
-
- /**
- * Generic arrays for vertex programs/shaders.
- * For NV vertex programs, these attributes alias and take priority
- * over the conventional attribs above. For ARB vertex programs and
- * GLSL vertex shaders, these attributes are separate.
- */
- struct gl_client_array VertexAttrib[MAX_VERTEX_GENERIC_ATTRIBS];
-
- /** Mask of _NEW_ARRAY_* values indicating which arrays are enabled */
- GLbitfield _Enabled;
-
- /**
- * Min of all enabled arrays' _MaxElement. When arrays reside inside VBOs
- * we can determine the max legal (in bounds) glDrawElements array index.
- */
- GLuint _MaxElement;
-};
-
-
-/**
- * Vertex array state
- */
-struct gl_array_attrib
-{
- /** Currently bound array object. See _mesa_BindVertexArrayAPPLE() */
- struct gl_array_object *ArrayObj;
-
- /** The default vertex array object */
- struct gl_array_object *DefaultArrayObj;
-
- /** Array objects (GL_ARB/APPLE_vertex_array_object) */
- struct _mesa_HashTable *Objects;
-
- GLint ActiveTexture; /**< Client Active Texture */
- GLuint LockFirst; /**< GL_EXT_compiled_vertex_array */
- GLuint LockCount; /**< GL_EXT_compiled_vertex_array */
-
- /** GL 3.1 (slightly different from GL_NV_primitive_restart) */
- GLboolean PrimitiveRestart;
- GLuint RestartIndex;
-
- GLbitfield NewState; /**< mask of _NEW_ARRAY_* values */
- GLboolean RebindArrays; /**< whether the VBO module should rebind arrays */
-
- /* GL_ARB_vertex_buffer_object */
- struct gl_buffer_object *ArrayBufferObj;
- struct gl_buffer_object *ElementArrayBufferObj;
-};
-
-
-/**
- * Feedback buffer state
- */
-struct gl_feedback
-{
- GLenum Type;
- GLbitfield _Mask; /**< FB_* bits */
- GLfloat *Buffer;
- GLuint BufferSize;
- GLuint Count;
-};
-
-
-/**
- * Selection buffer state
- */
-struct gl_selection
-{
- GLuint *Buffer; /**< selection buffer */
- GLuint BufferSize; /**< size of the selection buffer */
- GLuint BufferCount; /**< number of values in the selection buffer */
- GLuint Hits; /**< number of records in the selection buffer */
- GLuint NameStackDepth; /**< name stack depth */
- GLuint NameStack[MAX_NAME_STACK_DEPTH]; /**< name stack */
- GLboolean HitFlag; /**< hit flag */
- GLfloat HitMinZ; /**< minimum hit depth */
- GLfloat HitMaxZ; /**< maximum hit depth */
-};
-
-
-/**
- * 1-D Evaluator control points
- */
-struct gl_1d_map
-{
- GLuint Order; /**< Number of control points */
- GLfloat u1, u2, du; /**< u1, u2, 1.0/(u2-u1) */
- GLfloat *Points; /**< Points to contiguous control points */
-};
-
-
-/**
- * 2-D Evaluator control points
- */
-struct gl_2d_map
-{
- GLuint Uorder; /**< Number of control points in U dimension */
- GLuint Vorder; /**< Number of control points in V dimension */
- GLfloat u1, u2, du;
- GLfloat v1, v2, dv;
- GLfloat *Points; /**< Points to contiguous control points */
-};
-
-
-/**
- * All evaluator control point state
- */
-struct gl_evaluators
-{
- /**
- * \name 1-D maps
- */
- /*@{*/
- struct gl_1d_map Map1Vertex3;
- struct gl_1d_map Map1Vertex4;
- struct gl_1d_map Map1Index;
- struct gl_1d_map Map1Color4;
- struct gl_1d_map Map1Normal;
- struct gl_1d_map Map1Texture1;
- struct gl_1d_map Map1Texture2;
- struct gl_1d_map Map1Texture3;
- struct gl_1d_map Map1Texture4;
- struct gl_1d_map Map1Attrib[16]; /**< GL_NV_vertex_program */
- /*@}*/
-
- /**
- * \name 2-D maps
- */
- /*@{*/
- struct gl_2d_map Map2Vertex3;
- struct gl_2d_map Map2Vertex4;
- struct gl_2d_map Map2Index;
- struct gl_2d_map Map2Color4;
- struct gl_2d_map Map2Normal;
- struct gl_2d_map Map2Texture1;
- struct gl_2d_map Map2Texture2;
- struct gl_2d_map Map2Texture3;
- struct gl_2d_map Map2Texture4;
- struct gl_2d_map Map2Attrib[16]; /**< GL_NV_vertex_program */
- /*@}*/
-};
-
-
-/**
- * Names of the various vertex/fragment program register files, etc.
- *
- * NOTE: first four tokens must fit into 2 bits (see t_vb_arbprogram.c)
- * All values should fit in a 4-bit field.
- *
- * NOTE: PROGRAM_ENV_PARAM, PROGRAM_STATE_VAR, PROGRAM_NAMED_PARAM,
- * PROGRAM_CONSTANT, and PROGRAM_UNIFORM can all be considered to
- * be "uniform" variables since they can only be set outside glBegin/End.
- * They're also all stored in the same Parameters array.
- */
-typedef enum
-{
- PROGRAM_TEMPORARY, /**< machine->Temporary[] */
- PROGRAM_INPUT, /**< machine->Inputs[] */
- PROGRAM_OUTPUT, /**< machine->Outputs[] */
- PROGRAM_VARYING, /**< machine->Inputs[]/Outputs[] */
- PROGRAM_LOCAL_PARAM, /**< gl_program->LocalParams[] */
- PROGRAM_ENV_PARAM, /**< gl_program->Parameters[] */
- PROGRAM_STATE_VAR, /**< gl_program->Parameters[] */
- PROGRAM_NAMED_PARAM, /**< gl_program->Parameters[] */
- PROGRAM_CONSTANT, /**< gl_program->Parameters[] */
- PROGRAM_UNIFORM, /**< gl_program->Parameters[] */
- PROGRAM_WRITE_ONLY, /**< A dummy, write-only register */
- PROGRAM_ADDRESS, /**< machine->AddressReg */
- PROGRAM_SAMPLER, /**< for shader samplers, compile-time only */
- PROGRAM_SYSTEM_VALUE,/**< InstanceId, PrimitiveID, etc. */
- PROGRAM_UNDEFINED, /**< Invalid/TBD value */
- PROGRAM_FILE_MAX
-} gl_register_file;
-
-
-/**
- * If the register file is PROGRAM_SYSTEM_VALUE, the register index will be
- * one of these values.
- */
-typedef enum
-{
- SYSTEM_VALUE_FRONT_FACE, /**< Fragment shader only (not done yet) */
- SYSTEM_VALUE_INSTANCE_ID, /**< Vertex shader only */
- SYSTEM_VALUE_MAX /**< Number of values */
-} gl_system_value;
-
-
-/** Vertex and fragment instructions */
-struct prog_instruction;
-struct gl_program_parameter_list;
-struct gl_uniform_list;
-
-
-/**
- * Base class for any kind of program object
- */
-struct gl_program
-{
- GLuint Id;
- GLubyte *String; /**< Null-terminated program text */
- GLint RefCount;
- GLenum Target; /**< GL_VERTEX/FRAGMENT_PROGRAM_ARB, GL_FRAGMENT_PROGRAM_NV */
- GLenum Format; /**< String encoding format */
- GLboolean Resident;
-
- struct prog_instruction *Instructions;
-
- GLbitfield InputsRead; /**< Bitmask of which input regs are read */
- GLbitfield64 OutputsWritten; /**< Bitmask of which output regs are written */
- GLbitfield SystemValuesRead; /**< Bitmask of SYSTEM_VALUE_x inputs used */
- GLbitfield InputFlags[MAX_PROGRAM_INPUTS]; /**< PROG_PARAM_BIT_x flags */
- GLbitfield OutputFlags[MAX_PROGRAM_OUTPUTS]; /**< PROG_PARAM_BIT_x flags */
- GLbitfield TexturesUsed[MAX_TEXTURE_UNITS]; /**< TEXTURE_x_BIT bitmask */
- GLbitfield SamplersUsed; /**< Bitfield of which samplers are used */
- GLbitfield ShadowSamplers; /**< Texture units used for shadow sampling. */
-
-
- /** Named parameters, constants, etc. from program text */
- struct gl_program_parameter_list *Parameters;
- /** Numbered local parameters */
- GLfloat LocalParams[MAX_PROGRAM_LOCAL_PARAMS][4];
-
- /** Vertex/fragment shader varying vars */
- struct gl_program_parameter_list *Varying;
- /** Vertex program user-defined attributes */
- struct gl_program_parameter_list *Attributes;
-
- /** Map from sampler unit to texture unit (set by glUniform1i()) */
- GLubyte SamplerUnits[MAX_SAMPLERS];
- /** Which texture target is being sampled (TEXTURE_1D/2D/3D/etc_INDEX) */
- gl_texture_index SamplerTargets[MAX_SAMPLERS];
-
- /** Bitmask of which register files are read/written with indirect
- * addressing. Mask of (1 << PROGRAM_x) bits.
- */
- GLbitfield IndirectRegisterFiles;
-
- /** Logical counts */
- /*@{*/
- GLuint NumInstructions;
- GLuint NumTemporaries;
- GLuint NumParameters;
- GLuint NumAttributes;
- GLuint NumAddressRegs;
- GLuint NumAluInstructions;
- GLuint NumTexInstructions;
- GLuint NumTexIndirections;
- /*@}*/
- /** Native, actual h/w counts */
- /*@{*/
- GLuint NumNativeInstructions;
- GLuint NumNativeTemporaries;
- GLuint NumNativeParameters;
- GLuint NumNativeAttributes;
- GLuint NumNativeAddressRegs;
- GLuint NumNativeAluInstructions;
- GLuint NumNativeTexInstructions;
- GLuint NumNativeTexIndirections;
- /*@}*/
-};
-
-
-/** Vertex program object */
-struct gl_vertex_program
-{
- struct gl_program Base; /**< base class */
- GLboolean IsNVProgram; /**< is this a GL_NV_vertex_program program? */
- GLboolean IsPositionInvariant;
-};
-
-
-/** Geometry program object */
-struct gl_geometry_program
-{
- struct gl_program Base; /**< base class */
-
- GLint VerticesOut;
- GLenum InputType; /**< GL_POINTS, GL_LINES, GL_LINES_ADJACENCY_ARB,
- GL_TRIANGLES, or GL_TRIANGLES_ADJACENCY_ARB */
- GLenum OutputType; /**< GL_POINTS, GL_LINE_STRIP or GL_TRIANGLE_STRIP */
-};
-
-
-/** Fragment program object */
-struct gl_fragment_program
-{
- struct gl_program Base; /**< base class */
- GLenum FogOption;
- GLboolean UsesKill; /**< shader uses KIL instruction */
- GLboolean OriginUpperLeft;
- GLboolean PixelCenterInteger;
- enum gl_frag_depth_layout FragDepthLayout;
-};
-
-
-/**
- * State common to vertex and fragment programs.
- */
-struct gl_program_state
-{
- GLint ErrorPos; /* GL_PROGRAM_ERROR_POSITION_ARB/NV */
- const char *ErrorString; /* GL_PROGRAM_ERROR_STRING_ARB/NV */
-};
-
-
-/**
- * Context state for vertex programs.
- */
-struct gl_vertex_program_state
-{
- GLboolean Enabled; /**< User-set GL_VERTEX_PROGRAM_ARB/NV flag */
- GLboolean _Enabled; /**< Enabled and _valid_ user program? */
- GLboolean PointSizeEnabled; /**< GL_VERTEX_PROGRAM_POINT_SIZE_ARB/NV */
- GLboolean TwoSideEnabled; /**< GL_VERTEX_PROGRAM_TWO_SIDE_ARB/NV */
- struct gl_vertex_program *Current; /**< User-bound vertex program */
-
- /** Currently enabled and valid vertex program (including internal
- * programs, user-defined vertex programs and GLSL vertex shaders).
- * This is the program we must use when rendering.
- */
- struct gl_vertex_program *_Current;
-
- GLfloat Parameters[MAX_PROGRAM_ENV_PARAMS][4]; /**< Env params */
-
- /* For GL_NV_vertex_program only: */
- GLenum TrackMatrix[MAX_PROGRAM_ENV_PARAMS / 4];
- GLenum TrackMatrixTransform[MAX_PROGRAM_ENV_PARAMS / 4];
-
- /** Should fixed-function T&L be implemented with a vertex prog? */
- GLboolean _MaintainTnlProgram;
-
- /** Program to emulate fixed-function T&L (see above) */
- struct gl_vertex_program *_TnlProgram;
-
- /** Cache of fixed-function programs */
- struct gl_program_cache *Cache;
-
- GLboolean _Overriden;
-};
-
-
-/**
- * Context state for geometry programs.
- */
-struct gl_geometry_program_state
-{
- GLboolean Enabled; /**< GL_ARB_GEOMETRY_SHADER4 */
- GLboolean _Enabled; /**< Enabled and valid program? */
- struct gl_geometry_program *Current; /**< user-bound geometry program */
-
- /** Currently enabled and valid program (including internal programs
- * and compiled shader programs).
- */
- struct gl_geometry_program *_Current;
-
- GLfloat Parameters[MAX_PROGRAM_ENV_PARAMS][4]; /**< Env params */
-
- /** Cache of fixed-function programs */
- struct gl_program_cache *Cache;
-};
-
-/**
- * Context state for fragment programs.
- */
-struct gl_fragment_program_state
-{
- GLboolean Enabled; /**< User-set fragment program enable flag */
- GLboolean _Enabled; /**< Enabled and _valid_ user program? */
- struct gl_fragment_program *Current; /**< User-bound fragment program */
-
- /** Currently enabled and valid fragment program (including internal
- * programs, user-defined fragment programs and GLSL fragment shaders).
- * This is the program we must use when rendering.
- */
- struct gl_fragment_program *_Current;
-
- GLfloat Parameters[MAX_PROGRAM_ENV_PARAMS][4]; /**< Env params */
-
- /** Should fixed-function texturing be implemented with a fragment prog? */
- GLboolean _MaintainTexEnvProgram;
-
- /** Program to emulate fixed-function texture env/combine (see above) */
- struct gl_fragment_program *_TexEnvProgram;
-
- /** Cache of fixed-function programs */
- struct gl_program_cache *Cache;
-};
-
-
-/**
- * ATI_fragment_shader runtime state
- */
-#define ATI_FS_INPUT_PRIMARY 0
-#define ATI_FS_INPUT_SECONDARY 1
-
-struct atifs_instruction;
-struct atifs_setupinst;
-
-/**
- * ATI fragment shader
- */
-struct ati_fragment_shader
-{
- GLuint Id;
- GLint RefCount;
- struct atifs_instruction *Instructions[2];
- struct atifs_setupinst *SetupInst[2];
- GLfloat Constants[8][4];
- GLbitfield LocalConstDef; /**< Indicates which constants have been set */
- GLubyte numArithInstr[2];
- GLubyte regsAssigned[2];
- GLubyte NumPasses; /**< 1 or 2 */
- GLubyte cur_pass;
- GLubyte last_optype;
- GLboolean interpinp1;
- GLboolean isValid;
- GLuint swizzlerq;
-};
-
-/**
- * Context state for GL_ATI_fragment_shader
- */
-struct gl_ati_fragment_shader_state
-{
- GLboolean Enabled;
- GLboolean _Enabled; /**< enabled and valid shader? */
- GLboolean Compiling;
- GLfloat GlobalConstants[8][4];
- struct ati_fragment_shader *Current;
-};
-
-
-/**
- * Occlusion/timer query object.
- */
-struct gl_query_object
-{
- GLenum Target; /**< The query target, when active */
- GLuint Id; /**< hash table ID/name */
- GLuint64EXT Result; /**< the counter */
- GLboolean Active; /**< inside Begin/EndQuery */
- GLboolean Ready; /**< result is ready? */
-};
-
-
-/**
- * Context state for query objects.
- */
-struct gl_query_state
-{
- struct _mesa_HashTable *QueryObjects;
- struct gl_query_object *CurrentOcclusionObject; /* GL_ARB_occlusion_query */
- struct gl_query_object *CurrentTimerObject; /* GL_EXT_timer_query */
-
- /** GL_NV_conditional_render */
- struct gl_query_object *CondRenderQuery;
-
- /** GL_EXT_transform_feedback */
- struct gl_query_object *PrimitivesGenerated;
- struct gl_query_object *PrimitivesWritten;
-
- /** GL_ARB_timer_query */
- struct gl_query_object *TimeElapsed;
-
- GLenum CondRenderMode;
-};
-
-
-/** Sync object state */
-struct gl_sync_object {
- struct simple_node link;
- GLenum Type; /**< GL_SYNC_FENCE */
- GLuint Name; /**< Fence name */
- GLint RefCount; /**< Reference count */
- GLboolean DeletePending; /**< Object was deleted while there were still
- * live references (e.g., sync not yet finished)
- */
- GLenum SyncCondition;
- GLbitfield Flags; /**< Flags passed to glFenceSync */
- GLuint StatusFlag:1; /**< Has the sync object been signaled? */
-};
-
-
-/** Set by #pragma directives */
-struct gl_sl_pragmas
-{
- GLboolean IgnoreOptimize; /**< ignore #pragma optimize(on/off) ? */
- GLboolean IgnoreDebug; /**< ignore #pragma debug(on/off) ? */
- GLboolean Optimize; /**< defaults on */
- GLboolean Debug; /**< defaults off */
-};
-
-
-/**
- * A GLSL vertex or fragment shader object.
- */
-struct gl_shader
-{
- GLenum Type; /**< GL_FRAGMENT_SHADER || GL_VERTEX_SHADER || GL_GEOMETRY_SHADER_ARB (first field!) */
- GLuint Name; /**< AKA the handle */
- GLint RefCount; /**< Reference count */
- GLboolean DeletePending;
- GLboolean CompileStatus;
- const GLchar *Source; /**< Source code string */
- GLuint SourceChecksum; /**< for debug/logging purposes */
- struct gl_program *Program; /**< Post-compile assembly code */
- GLchar *InfoLog;
- struct gl_sl_pragmas Pragmas;
-
- unsigned Version; /**< GLSL version used for linking */
-
- struct exec_list *ir;
- struct glsl_symbol_table *symbols;
-
- /** Shaders containing built-in functions that are used for linking. */
- struct gl_shader *builtins_to_link[16];
- unsigned num_builtins_to_link;
-};
-
-
-/**
- * A GLSL program object.
- * Basically a linked collection of vertex and fragment shaders.
- */
-struct gl_shader_program
-{
- GLenum Type; /**< Always GL_SHADER_PROGRAM (internal token) */
- GLuint Name; /**< aka handle or ID */
- GLint RefCount; /**< Reference count */
- GLboolean DeletePending;
-
- GLuint NumShaders; /**< number of attached shaders */
- struct gl_shader **Shaders; /**< List of attached the shaders */
-
- /** User-defined attribute bindings (glBindAttribLocation) */
- struct gl_program_parameter_list *Attributes;
-
- /** Transform feedback varyings */
- struct {
- GLenum BufferMode;
- GLuint NumVarying;
- GLchar **VaryingNames; /**< Array [NumVarying] of char * */
- } TransformFeedback;
-
- /** Geometry shader state - copied into gl_geometry_program at link time */
- struct {
- GLint VerticesOut;
- GLenum InputType; /**< GL_POINTS, GL_LINES, GL_LINES_ADJACENCY_ARB,
- GL_TRIANGLES, or GL_TRIANGLES_ADJACENCY_ARB */
- GLenum OutputType; /**< GL_POINTS, GL_LINE_STRIP or GL_TRIANGLE_STRIP */
- } Geom;
-
- /* post-link info: */
- struct gl_vertex_program *VertexProgram; /**< Linked vertex program */
- struct gl_fragment_program *FragmentProgram; /**< Linked fragment prog */
- struct gl_geometry_program *GeometryProgram; /**< Linked geometry prog */
- struct gl_uniform_list *Uniforms;
- struct gl_program_parameter_list *Varying;
- GLboolean LinkStatus; /**< GL_LINK_STATUS */
- GLboolean Validated;
- GLboolean _Used; /**< Ever used for drawing? */
- GLchar *InfoLog;
-
- unsigned Version; /**< GLSL version used for linking */
-
- /**
- * Per-stage shaders resulting from the first stage of linking.
- *
- * Set of linked shaders for this program. The array is accessed using the
- * \c MESA_SHADER_* defines. Entries for non-existent stages will be
- * \c NULL.
- */
- struct gl_shader *_LinkedShaders[MESA_SHADER_TYPES];
-};
-
-
-#define GLSL_DUMP 0x1 /**< Dump shaders to stdout */
-#define GLSL_LOG 0x2 /**< Write shaders to files */
-#define GLSL_OPT 0x4 /**< Force optimizations (override pragmas) */
-#define GLSL_NO_OPT 0x8 /**< Force no optimizations (override pragmas) */
-#define GLSL_UNIFORMS 0x10 /**< Print glUniform calls */
-#define GLSL_NOP_VERT 0x20 /**< Force no-op vertex shaders */
-#define GLSL_NOP_FRAG 0x40 /**< Force no-op fragment shaders */
-#define GLSL_USE_PROG 0x80 /**< Log glUseProgram calls */
-
-
-/**
- * Context state for GLSL vertex/fragment shaders.
- */
-struct gl_shader_state
-{
- /**
- * Programs used for rendering
- *
- * There is a separate program set for each shader stage. If
- * GL_EXT_separate_shader_objects is not supported, each of these must point
- * to \c NULL or to the same program.
- */
- struct gl_shader_program *CurrentVertexProgram;
- struct gl_shader_program *CurrentGeometryProgram;
- struct gl_shader_program *CurrentFragmentProgram;
-
- /**
- * Program used by glUniform calls.
- *
- * Explicitly set by \c glUseProgram and \c glActiveProgramEXT.
- */
- struct gl_shader_program *ActiveProgram;
-
- void *MemPool;
-
- GLbitfield Flags; /**< Mask of GLSL_x flags */
-};
-
-/**
- * Compiler options for a single GLSL shaders type
- */
-struct gl_shader_compiler_options
-{
- /** Driver-selectable options: */
- GLboolean EmitCondCodes; /**< Use condition codes? */
- GLboolean EmitNVTempInitialization; /**< 0-fill NV temp registers */
- /**
- * Attempts to flatten all ir_if (OPCODE_IF) for GPUs that can't
- * support control flow.
- */
- GLboolean EmitNoIfs;
- GLboolean EmitNoLoops;
- GLboolean EmitNoFunctions;
- GLboolean EmitNoCont; /**< Emit CONT opcode? */
- GLboolean EmitNoMainReturn; /**< Emit CONT/RET opcodes? */
- GLboolean EmitNoNoise; /**< Emit NOISE opcodes? */
- GLboolean EmitNoPow; /**< Emit POW opcodes? */
-
- /**
- * \name Forms of indirect addressing the driver cannot do.
- */
- /*@{*/
- GLboolean EmitNoIndirectInput; /**< No indirect addressing of inputs */
- GLboolean EmitNoIndirectOutput; /**< No indirect addressing of outputs */
- GLboolean EmitNoIndirectTemp; /**< No indirect addressing of temps */
- GLboolean EmitNoIndirectUniform; /**< No indirect addressing of constants */
- /*@}*/
-
- GLuint MaxUnrollIterations;
-
- struct gl_sl_pragmas DefaultPragmas; /**< Default #pragma settings */
-};
-
-/**
- * Transform feedback object state
- */
-struct gl_transform_feedback_object
-{
- GLuint Name; /**< AKA the object ID */
- GLint RefCount;
- GLboolean Active; /**< Is transform feedback enabled? */
- GLboolean Paused; /**< Is transform feedback paused? */
-
- /** The feedback buffers */
- GLuint BufferNames[MAX_FEEDBACK_ATTRIBS];
- struct gl_buffer_object *Buffers[MAX_FEEDBACK_ATTRIBS];
-
- /** Start of feedback data in dest buffer */
- GLintptr Offset[MAX_FEEDBACK_ATTRIBS];
- /** Max data to put into dest buffer (in bytes) */
- GLsizeiptr Size[MAX_FEEDBACK_ATTRIBS];
-};
-
-
-/**
- * Context state for transform feedback.
- */
-struct gl_transform_feedback
-{
- GLenum Mode; /**< GL_POINTS, GL_LINES or GL_TRIANGLES */
-
- GLboolean RasterDiscard; /**< GL_RASTERIZER_DISCARD */
-
- /** The general binding point (GL_TRANSFORM_FEEDBACK_BUFFER) */
- struct gl_buffer_object *CurrentBuffer;
-
- /** The table of all transform feedback objects */
- struct _mesa_HashTable *Objects;
-
- /** The current xform-fb object (GL_TRANSFORM_FEEDBACK_BINDING) */
- struct gl_transform_feedback_object *CurrentObject;
-
- /** The default xform-fb object (Name==0) */
- struct gl_transform_feedback_object *DefaultObject;
-};
-
-
-
-/**
- * State which can be shared by multiple contexts:
- */
-struct gl_shared_state
-{
- _glthread_Mutex Mutex; /**< for thread safety */
- GLint RefCount; /**< Reference count */
- struct _mesa_HashTable *DisplayList; /**< Display lists hash table */
- struct _mesa_HashTable *TexObjects; /**< Texture objects hash table */
-
- /** Default texture objects (shared by all texture units) */
- struct gl_texture_object *DefaultTex[NUM_TEXTURE_TARGETS];
-
- /** Fallback texture used when a bound texture is incomplete */
- struct gl_texture_object *FallbackTex;
-
- /**
- * \name Thread safety and statechange notification for texture
- * objects.
- *
- * \todo Improve the granularity of locking.
- */
- /*@{*/
- _glthread_Mutex TexMutex; /**< texobj thread safety */
- GLuint TextureStateStamp; /**< state notification for shared tex */
- /*@}*/
-
- /** Default buffer object for vertex arrays that aren't in VBOs */
- struct gl_buffer_object *NullBufferObj;
-
- /**
- * \name Vertex/geometry/fragment programs
- */
- /*@{*/
- struct _mesa_HashTable *Programs; /**< All vertex/fragment programs */
- struct gl_vertex_program *DefaultVertexProgram;
- struct gl_fragment_program *DefaultFragmentProgram;
- struct gl_geometry_program *DefaultGeometryProgram;
- /*@}*/
-
- /* GL_ATI_fragment_shader */
- struct _mesa_HashTable *ATIShaders;
- struct ati_fragment_shader *DefaultFragmentShader;
-
- struct _mesa_HashTable *BufferObjects;
-
- /** Table of both gl_shader and gl_shader_program objects */
- struct _mesa_HashTable *ShaderObjects;
-
- /* GL_EXT_framebuffer_object */
- struct _mesa_HashTable *RenderBuffers;
- struct _mesa_HashTable *FrameBuffers;
-
- /* GL_ARB_sync */
- struct simple_node SyncObjects;
-
- void *DriverData; /**< Device driver shared state */
-};
-
-
-
-
-/**
- * A renderbuffer stores colors or depth values or stencil values.
- * A framebuffer object will have a collection of these.
- * Data are read/written to the buffer with a handful of Get/Put functions.
- *
- * Instances of this object are allocated with the Driver's NewRenderbuffer
- * hook. Drivers will likely wrap this class inside a driver-specific
- * class to simulate inheritance.
- */
-struct gl_renderbuffer
-{
-#define RB_MAGIC 0xaabbccdd
- int Magic; /** XXX TEMPORARY DEBUG INFO */
- _glthread_Mutex Mutex; /**< for thread safety */
- GLuint ClassID; /**< Useful for drivers */
- GLuint Name;
- GLint RefCount;
- GLuint Width, Height;
- GLboolean Purgeable; /**< Is the buffer purgeable under memory pressure? */
-
- GLenum InternalFormat; /**< The user-specified format */
- GLenum _BaseFormat; /**< Either GL_RGB, GL_RGBA, GL_DEPTH_COMPONENT or
- GL_STENCIL_INDEX. */
- gl_format Format; /**< The actual renderbuffer memory format */
-
- GLubyte NumSamples;
-
- GLenum DataType; /**< Type of values passed to the Get/Put functions */
- GLvoid *Data; /**< This may not be used by some kinds of RBs */
-
- GLboolean AttachedAnytime; /**< TRUE if it was attached to a framebuffer */
-
- /* Used to wrap one renderbuffer around another: */
- struct gl_renderbuffer *Wrapped;
-
- /* Delete this renderbuffer */
- void (*Delete)(struct gl_renderbuffer *rb);
-
- /* Allocate new storage for this renderbuffer */
- GLboolean (*AllocStorage)(struct gl_context *ctx, struct gl_renderbuffer *rb,
- GLenum internalFormat,
- GLuint width, GLuint height);
-
- /* Lock/Unlock are called before/after calling the Get/Put functions.
- * Not sure this is the right place for these yet.
- void (*Lock)(struct gl_context *ctx, struct gl_renderbuffer *rb);
- void (*Unlock)(struct gl_context *ctx, struct gl_renderbuffer *rb);
- */
-
- /* Return a pointer to the element/pixel at (x,y).
- * Should return NULL if the buffer memory can't be directly addressed.
- */
- void *(*GetPointer)(struct gl_context *ctx, struct gl_renderbuffer *rb,
- GLint x, GLint y);
-
- /* Get/Read a row of values.
- * The values will be of format _BaseFormat and type DataType.
- */
- void (*GetRow)(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
- GLint x, GLint y, void *values);
-
- /* Get/Read values at arbitrary locations.
- * The values will be of format _BaseFormat and type DataType.
- */
- void (*GetValues)(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
- const GLint x[], const GLint y[], void *values);
-
- /* Put/Write a row of values.
- * The values will be of format _BaseFormat and type DataType.
- */
- void (*PutRow)(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
- GLint x, GLint y, const void *values, const GLubyte *mask);
-
- /* Put/Write a row of RGB values. This is a special-case routine that's
- * only used for RGBA renderbuffers when the source data is GL_RGB. That's
- * a common case for glDrawPixels and some triangle routines.
- * The values will be of format GL_RGB and type DataType.
- */
- void (*PutRowRGB)(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
- GLint x, GLint y, const void *values, const GLubyte *mask);
-
-
- /* Put/Write a row of identical values.
- * The values will be of format _BaseFormat and type DataType.
- */
- void (*PutMonoRow)(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
- GLint x, GLint y, const void *value, const GLubyte *mask);
-
- /* Put/Write values at arbitrary locations.
- * The values will be of format _BaseFormat and type DataType.
- */
- void (*PutValues)(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
- const GLint x[], const GLint y[], const void *values,
- const GLubyte *mask);
- /* Put/Write identical values at arbitrary locations.
- * The values will be of format _BaseFormat and type DataType.
- */
- void (*PutMonoValues)(struct gl_context *ctx, struct gl_renderbuffer *rb,
- GLuint count, const GLint x[], const GLint y[],
- const void *value, const GLubyte *mask);
-};
-
-
-/**
- * A renderbuffer attachment points to either a texture object (and specifies
- * a mipmap level, cube face or 3D texture slice) or points to a renderbuffer.
- */
-struct gl_renderbuffer_attachment
-{
- GLenum Type; /**< \c GL_NONE or \c GL_TEXTURE or \c GL_RENDERBUFFER_EXT */
- GLboolean Complete;
-
- /**
- * If \c Type is \c GL_RENDERBUFFER_EXT, this stores a pointer to the
- * application supplied renderbuffer object.
- */
- struct gl_renderbuffer *Renderbuffer;
-
- /**
- * If \c Type is \c GL_TEXTURE, this stores a pointer to the application
- * supplied texture object.
- */
- struct gl_texture_object *Texture;
- GLuint TextureLevel; /**< Attached mipmap level. */
- GLuint CubeMapFace; /**< 0 .. 5, for cube map textures. */
- GLuint Zoffset; /**< Slice for 3D textures, or layer for both 1D
- * and 2D array textures */
-};
-
-
-/**
- * A framebuffer is a collection of renderbuffers (color, depth, stencil, etc).
- * In C++ terms, think of this as a base class from which device drivers
- * will make derived classes.
- */
-struct gl_framebuffer
-{
- _glthread_Mutex Mutex; /**< for thread safety */
- /**
- * If zero, this is a window system framebuffer. If non-zero, this
- * is a FBO framebuffer; note that for some devices (i.e. those with
- * a natural pixel coordinate system for FBOs that differs from the
- * OpenGL/Mesa coordinate system), this means that the viewport,
- * polygon face orientation, and polygon stipple will have to be inverted.
- */
- GLuint Name;
-
- GLint RefCount;
- GLboolean DeletePending;
-
- /**
- * The framebuffer's visual. Immutable if this is a window system buffer.
- * Computed from attachments if user-made FBO.
- */
- struct gl_config Visual;
-
- GLboolean Initialized;
-
- GLuint Width, Height; /**< size of frame buffer in pixels */
-
- /** \name Drawing bounds (Intersection of buffer size and scissor box) */
- /*@{*/
- GLint _Xmin, _Xmax; /**< inclusive */
- GLint _Ymin, _Ymax; /**< exclusive */
- /*@}*/
-
- /** \name Derived Z buffer stuff */
- /*@{*/
- GLuint _DepthMax; /**< Max depth buffer value */
- GLfloat _DepthMaxF; /**< Float max depth buffer value */
- GLfloat _MRD; /**< minimum resolvable difference in Z values */
- /*@}*/
-
- /** One of the GL_FRAMEBUFFER_(IN)COMPLETE_* tokens */
- GLenum _Status;
-
- /** Integer color values */
- GLboolean _IntegerColor;
-
- /** Array of all renderbuffer attachments, indexed by BUFFER_* tokens. */
- struct gl_renderbuffer_attachment Attachment[BUFFER_COUNT];
-
- /* In unextended OpenGL these vars are part of the GL_COLOR_BUFFER
- * attribute group and GL_PIXEL attribute group, respectively.
- */
- GLenum ColorDrawBuffer[MAX_DRAW_BUFFERS];
- GLenum ColorReadBuffer;
-
- /** Computed from ColorDraw/ReadBuffer above */
- GLuint _NumColorDrawBuffers;
- GLint _ColorDrawBufferIndexes[MAX_DRAW_BUFFERS]; /**< BUFFER_x or -1 */
- GLint _ColorReadBufferIndex; /* -1 = None */
- struct gl_renderbuffer *_ColorDrawBuffers[MAX_DRAW_BUFFERS];
- struct gl_renderbuffer *_ColorReadBuffer;
-
- /** The Actual depth/stencil buffers to use. May be wrappers around the
- * depth/stencil buffers attached above. */
- struct gl_renderbuffer *_DepthBuffer;
- struct gl_renderbuffer *_StencilBuffer;
-
- /** Delete this framebuffer */
- void (*Delete)(struct gl_framebuffer *fb);
-};
-
-
-/**
- * Precision info for shader datatypes. See glGetShaderPrecisionFormat().
- */
-struct gl_precision
-{
- GLushort RangeMin; /**< min value exponent */
- GLushort RangeMax; /**< max value exponent */
- GLushort Precision; /**< number of mantissa bits */
-};
-
-
-/**
- * Limits for vertex, geometry and fragment programs/shaders.
- */
-struct gl_program_constants
-{
- /* logical limits */
- GLuint MaxInstructions;
- GLuint MaxAluInstructions;
- GLuint MaxTexInstructions;
- GLuint MaxTexIndirections;
- GLuint MaxAttribs;
- GLuint MaxTemps;
- GLuint MaxAddressRegs;
- GLuint MaxAddressOffset; /**< [-MaxAddressOffset, MaxAddressOffset-1] */
- GLuint MaxParameters;
- GLuint MaxLocalParams;
- GLuint MaxEnvParams;
- /* native/hardware limits */
- GLuint MaxNativeInstructions;
- GLuint MaxNativeAluInstructions;
- GLuint MaxNativeTexInstructions;
- GLuint MaxNativeTexIndirections;
- GLuint MaxNativeAttribs;
- GLuint MaxNativeTemps;
- GLuint MaxNativeAddressRegs;
- GLuint MaxNativeParameters;
- /* For shaders */
- GLuint MaxUniformComponents; /**< Usually == MaxParameters * 4 */
- /* ES 2.0 and GL_ARB_ES2_compatibility */
- struct gl_precision LowFloat, MediumFloat, HighFloat;
- struct gl_precision LowInt, MediumInt, HighInt;
-};
-
-
-/**
- * Constants which may be overridden by device driver during context creation
- * but are never changed after that.
- */
-struct gl_constants
-{
- GLint MaxTextureMbytes; /**< Max memory per image, in MB */
- GLint MaxTextureLevels; /**< Max mipmap levels. */
- GLint Max3DTextureLevels; /**< Max mipmap levels for 3D textures */
- GLint MaxCubeTextureLevels; /**< Max mipmap levels for cube textures */
- GLint MaxArrayTextureLayers; /**< Max layers in array textures */
- GLint MaxTextureRectSize; /**< Max rectangle texture size, in pixes */
- GLuint MaxTextureCoordUnits;
- GLuint MaxTextureImageUnits;
- GLuint MaxVertexTextureImageUnits;
- GLuint MaxCombinedTextureImageUnits;
- GLuint MaxGeometryTextureImageUnits;
- GLuint MaxTextureUnits; /**< = MIN(CoordUnits, ImageUnits) */
- GLfloat MaxTextureMaxAnisotropy; /**< GL_EXT_texture_filter_anisotropic */
- GLfloat MaxTextureLodBias; /**< GL_EXT_texture_lod_bias */
-
- GLuint MaxArrayLockSize;
-
- GLint SubPixelBits;
-
- GLfloat MinPointSize, MaxPointSize; /**< aliased */
- GLfloat MinPointSizeAA, MaxPointSizeAA; /**< antialiased */
- GLfloat PointSizeGranularity;
- GLfloat MinLineWidth, MaxLineWidth; /**< aliased */
- GLfloat MinLineWidthAA, MaxLineWidthAA; /**< antialiased */
- GLfloat LineWidthGranularity;
-
- GLuint MaxColorTableSize;
-
- GLuint MaxClipPlanes;
- GLuint MaxLights;
- GLfloat MaxShininess; /**< GL_NV_light_max_exponent */
- GLfloat MaxSpotExponent; /**< GL_NV_light_max_exponent */
-
- GLuint MaxViewportWidth, MaxViewportHeight;
-
- struct gl_program_constants VertexProgram; /**< GL_ARB_vertex_program */
- struct gl_program_constants FragmentProgram; /**< GL_ARB_fragment_program */
- struct gl_program_constants GeometryProgram; /**< GL_ARB_geometry_shader4 */
- GLuint MaxProgramMatrices;
- GLuint MaxProgramMatrixStackDepth;
-
- /** vertex array / buffer object bounds checking */
- GLboolean CheckArrayBounds;
-
- GLuint MaxDrawBuffers; /**< GL_ARB_draw_buffers */
-
- GLuint MaxColorAttachments; /**< GL_EXT_framebuffer_object */
- GLuint MaxRenderbufferSize; /**< GL_EXT_framebuffer_object */
- GLuint MaxSamples; /**< GL_ARB_framebuffer_object */
-
- /** Number of varying vectors between vertex and fragment shaders */
- GLuint MaxVarying;
- GLuint MaxVertexVaryingComponents; /**< Between vert and geom shader */
- GLuint MaxGeometryVaryingComponents; /**< Between geom and frag shader */
-
- /** GL_ARB_geometry_shader4 */
- GLuint MaxGeometryOutputVertices;
- GLuint MaxGeometryTotalOutputComponents;
-
- GLuint GLSLVersion; /**< GLSL version supported (ex: 120 = 1.20) */
-
- /** Which texture units support GL_ATI_envmap_bumpmap as targets */
- GLbitfield SupportedBumpUnits;
-
- /**
- * Maximum amount of time, measured in nanseconds, that the server can wait.
- */
- GLuint64 MaxServerWaitTimeout;
-
- /** GL_EXT_provoking_vertex */
- GLboolean QuadsFollowProvokingVertexConvention;
-
- /** OpenGL version 3.0 */
- GLbitfield ContextFlags; /**< Ex: GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT */
-
- /** OpenGL version 3.2 */
- GLbitfield ProfileMask; /**< Mask of CONTEXT_x_PROFILE_BIT */
-
- /** GL_EXT_transform_feedback */
- GLuint MaxTransformFeedbackSeparateAttribs;
- GLuint MaxTransformFeedbackSeparateComponents;
- GLuint MaxTransformFeedbackInterleavedComponents;
-
- /** GL_EXT_gpu_shader4 */
- GLint MinProgramTexelOffset, MaxProgramTexelOffset;
-
- /* GL_EXT_framebuffer_sRGB */
- GLboolean sRGBCapable; /* can enable sRGB blend/update on FBOs */
-};
-
-
-/**
- * Enable flag for each OpenGL extension. Different device drivers will
- * enable different extensions at runtime.
- */
-struct gl_extensions
-{
- GLboolean dummy; /* don't remove this! */
- GLboolean dummy_true; /* Set true by _mesa_init_extensions(). */
- GLboolean dummy_false; /* Set false by _mesa_init_extensions(). */
- GLboolean ARB_ES2_compatibility;
- GLboolean ARB_blend_func_extended;
- GLboolean ARB_copy_buffer;
- GLboolean ARB_depth_buffer_float;
- GLboolean ARB_depth_clamp;
- GLboolean ARB_depth_texture;
- GLboolean ARB_draw_buffers;
- GLboolean ARB_draw_buffers_blend;
- GLboolean ARB_draw_elements_base_vertex;
- GLboolean ARB_draw_instanced;
- GLboolean ARB_fragment_coord_conventions;
- GLboolean ARB_fragment_program;
- GLboolean ARB_fragment_program_shadow;
- GLboolean ARB_fragment_shader;
- GLboolean ARB_framebuffer_object;
- GLboolean ARB_explicit_attrib_location;
- GLboolean ARB_geometry_shader4;
- GLboolean ARB_half_float_pixel;
- GLboolean ARB_half_float_vertex;
- GLboolean ARB_instanced_arrays;
- GLboolean ARB_map_buffer_range;
- GLboolean ARB_multisample;
- GLboolean ARB_multitexture;
- GLboolean ARB_occlusion_query;
- GLboolean ARB_occlusion_query2;
- GLboolean ARB_point_sprite;
- GLboolean ARB_sampler_objects;
- GLboolean ARB_seamless_cube_map;
- GLboolean ARB_shader_objects;
- GLboolean ARB_shader_stencil_export;
- GLboolean ARB_shading_language_100;
- GLboolean ARB_shadow;
- GLboolean ARB_shadow_ambient;
- GLboolean ARB_sync;
- GLboolean ARB_texture_border_clamp;
- GLboolean ARB_texture_buffer_object;
- GLboolean ARB_texture_compression;
- GLboolean ARB_texture_compression_rgtc;
- GLboolean ARB_texture_cube_map;
- GLboolean ARB_texture_env_combine;
- GLboolean ARB_texture_env_crossbar;
- GLboolean ARB_texture_env_dot3;
- GLboolean ARB_texture_float;
- GLboolean ARB_texture_mirrored_repeat;
- GLboolean ARB_texture_multisample;
- GLboolean ARB_texture_non_power_of_two;
- GLboolean ARB_texture_rg;
- GLboolean ARB_texture_rgb10_a2ui;
- GLboolean ARB_timer_query;
- GLboolean ARB_transform_feedback2;
- GLboolean ARB_transpose_matrix;
- GLboolean ARB_uniform_buffer_object;
- GLboolean ARB_vertex_array_object;
- GLboolean ARB_vertex_buffer_object;
- GLboolean ARB_vertex_program;
- GLboolean ARB_vertex_shader;
- GLboolean ARB_vertex_type_2_10_10_10_rev;
- GLboolean ARB_window_pos;
- GLboolean EXT_abgr;
- GLboolean EXT_bgra;
- GLboolean EXT_blend_color;
- GLboolean EXT_blend_equation_separate;
- GLboolean EXT_blend_func_separate;
- GLboolean EXT_blend_logic_op;
- GLboolean EXT_blend_minmax;
- GLboolean EXT_blend_subtract;
- GLboolean EXT_clip_volume_hint;
- GLboolean EXT_compiled_vertex_array;
- GLboolean EXT_copy_texture;
- GLboolean EXT_depth_bounds_test;
- GLboolean EXT_draw_buffers2;
- GLboolean EXT_draw_range_elements;
- GLboolean EXT_fog_coord;
- GLboolean EXT_framebuffer_blit;
- GLboolean EXT_framebuffer_multisample;
- GLboolean EXT_framebuffer_object;
- GLboolean EXT_framebuffer_sRGB;
- GLboolean EXT_gpu_program_parameters;
- GLboolean EXT_gpu_shader4;
- GLboolean EXT_multi_draw_arrays;
- GLboolean EXT_paletted_texture;
- GLboolean EXT_packed_depth_stencil;
- GLboolean EXT_packed_float;
- GLboolean EXT_packed_pixels;
- GLboolean EXT_pixel_buffer_object;
- GLboolean EXT_point_parameters;
- GLboolean EXT_polygon_offset;
- GLboolean EXT_provoking_vertex;
- GLboolean EXT_rescale_normal;
- GLboolean EXT_shadow_funcs;
- GLboolean EXT_secondary_color;
- GLboolean EXT_separate_shader_objects;
- GLboolean EXT_separate_specular_color;
- GLboolean EXT_shared_texture_palette;
- GLboolean EXT_stencil_wrap;
- GLboolean EXT_stencil_two_side;
- GLboolean EXT_subtexture;
- GLboolean EXT_texture;
- GLboolean EXT_texture_object;
- GLboolean EXT_texture3D;
- GLboolean EXT_texture_array;
- GLboolean EXT_texture_compression_latc;
- GLboolean EXT_texture_compression_s3tc;
- GLboolean EXT_texture_env_add;
- GLboolean EXT_texture_env_combine;
- GLboolean EXT_texture_env_dot3;
- GLboolean EXT_texture_filter_anisotropic;
- GLboolean EXT_texture_integer;
- GLboolean EXT_texture_lod_bias;
- GLboolean EXT_texture_mirror_clamp;
- GLboolean EXT_texture_shared_exponent;
- GLboolean EXT_texture_sRGB;
- GLboolean EXT_texture_sRGB_decode;
- GLboolean EXT_texture_swizzle;
- GLboolean EXT_transform_feedback;
- GLboolean EXT_timer_query;
- GLboolean EXT_vertex_array;
- GLboolean EXT_vertex_array_bgra;
- GLboolean EXT_vertex_array_set;
- GLboolean OES_standard_derivatives;
- /* vendor extensions */
- GLboolean AMD_conservative_depth;
- GLboolean APPLE_client_storage;
- GLboolean APPLE_packed_pixels;
- GLboolean APPLE_vertex_array_object;
- GLboolean APPLE_object_purgeable;
- GLboolean ATI_envmap_bumpmap;
- GLboolean ATI_texture_compression_3dc;
- GLboolean ATI_texture_mirror_once;
- GLboolean ATI_texture_env_combine3;
- GLboolean ATI_fragment_shader;
- GLboolean ATI_separate_stencil;
- GLboolean IBM_rasterpos_clip;
- GLboolean IBM_multimode_draw_arrays;
- GLboolean MESA_pack_invert;
- GLboolean MESA_resize_buffers;
- GLboolean MESA_ycbcr_texture;
- GLboolean MESA_texture_array;
- GLboolean MESA_texture_signed_rgba;
- GLboolean NV_blend_square;
- GLboolean NV_conditional_render;
- GLboolean NV_fragment_program;
- GLboolean NV_fragment_program_option;
- GLboolean NV_light_max_exponent;
- GLboolean NV_point_sprite;
- GLboolean NV_primitive_restart;
- GLboolean NV_texture_barrier;
- GLboolean NV_texgen_reflection;
- GLboolean NV_texture_env_combine4;
- GLboolean NV_texture_rectangle;
- GLboolean NV_vertex_program;
- GLboolean NV_vertex_program1_1;
- GLboolean OES_read_format;
- GLboolean SGIS_generate_mipmap;
- GLboolean SGIS_texture_edge_clamp;
- GLboolean SGIS_texture_lod;
- GLboolean TDFX_texture_compression_FXT1;
- GLboolean S3_s3tc;
- GLboolean OES_EGL_image;
- GLboolean OES_draw_texture;
- GLboolean EXT_texture_format_BGRA8888;
- GLboolean extension_sentinel;
- /** The extension string */
- const GLubyte *String;
- /** Number of supported extensions */
- GLuint Count;
-};
-
-
-/**
- * A stack of matrices (projection, modelview, color, texture, etc).
- */
-struct gl_matrix_stack
-{
- GLmatrix *Top; /**< points into Stack */
- GLmatrix *Stack; /**< array [MaxDepth] of GLmatrix */
- GLuint Depth; /**< 0 <= Depth < MaxDepth */
- GLuint MaxDepth; /**< size of Stack[] array */
- GLuint DirtyFlag; /**< _NEW_MODELVIEW or _NEW_PROJECTION, for example */
-};
-
-
-/**
- * \name Bits for image transfer operations
- * \sa __struct gl_contextRec::ImageTransferState.
- */
-/*@{*/
-#define IMAGE_SCALE_BIAS_BIT 0x1
-#define IMAGE_SHIFT_OFFSET_BIT 0x2
-#define IMAGE_MAP_COLOR_BIT 0x4
-#define IMAGE_CLAMP_BIT 0x800
-
-
-/** Pixel Transfer ops */
-#define IMAGE_BITS (IMAGE_SCALE_BIAS_BIT | \
- IMAGE_SHIFT_OFFSET_BIT | \
- IMAGE_MAP_COLOR_BIT)
-
-/**
- * \name Bits to indicate what state has changed.
- */
-/*@{*/
-#define _NEW_MODELVIEW (1 << 0) /**< gl_context::ModelView */
-#define _NEW_PROJECTION (1 << 1) /**< gl_context::Projection */
-#define _NEW_TEXTURE_MATRIX (1 << 2) /**< gl_context::TextureMatrix */
-#define _NEW_COLOR (1 << 3) /**< gl_context::Color */
-#define _NEW_DEPTH (1 << 4) /**< gl_context::Depth */
-#define _NEW_EVAL (1 << 5) /**< gl_context::Eval, EvalMap */
-#define _NEW_FOG (1 << 6) /**< gl_context::Fog */
-#define _NEW_HINT (1 << 7) /**< gl_context::Hint */
-#define _NEW_LIGHT (1 << 8) /**< gl_context::Light */
-#define _NEW_LINE (1 << 9) /**< gl_context::Line */
-#define _NEW_PIXEL (1 << 10) /**< gl_context::Pixel */
-#define _NEW_POINT (1 << 11) /**< gl_context::Point */
-#define _NEW_POLYGON (1 << 12) /**< gl_context::Polygon */
-#define _NEW_POLYGONSTIPPLE (1 << 13) /**< gl_context::PolygonStipple */
-#define _NEW_SCISSOR (1 << 14) /**< gl_context::Scissor */
-#define _NEW_STENCIL (1 << 15) /**< gl_context::Stencil */
-#define _NEW_TEXTURE (1 << 16) /**< gl_context::Texture */
-#define _NEW_TRANSFORM (1 << 17) /**< gl_context::Transform */
-#define _NEW_VIEWPORT (1 << 18) /**< gl_context::Viewport */
-#define _NEW_PACKUNPACK (1 << 19) /**< gl_context::Pack, Unpack */
-#define _NEW_ARRAY (1 << 20) /**< gl_context::Array */
-#define _NEW_RENDERMODE (1 << 21) /**< gl_context::RenderMode, etc */
-#define _NEW_BUFFERS (1 << 22) /**< gl_context::Visual, DrawBuffer, */
-#define _NEW_CURRENT_ATTRIB (1 << 23) /**< gl_context::Current */
-#define _NEW_MULTISAMPLE (1 << 24) /**< gl_context::Multisample */
-#define _NEW_TRACK_MATRIX (1 << 25) /**< gl_context::VertexProgram */
-#define _NEW_PROGRAM (1 << 26) /**< New program/shader state */
-#define _NEW_PROGRAM_CONSTANTS (1 << 27)
-#define _NEW_BUFFER_OBJECT (1 << 28)
-#define _NEW_ALL ~0
-/*@}*/
-
-
-/**
- * \name Bits to track array state changes
- *
- * Also used to summarize array enabled.
- */
-/*@{*/
-#define _NEW_ARRAY_VERTEX VERT_BIT_POS
-#define _NEW_ARRAY_WEIGHT VERT_BIT_WEIGHT
-#define _NEW_ARRAY_NORMAL VERT_BIT_NORMAL
-#define _NEW_ARRAY_COLOR0 VERT_BIT_COLOR0
-#define _NEW_ARRAY_COLOR1 VERT_BIT_COLOR1
-#define _NEW_ARRAY_FOGCOORD VERT_BIT_FOG
-#define _NEW_ARRAY_INDEX VERT_BIT_COLOR_INDEX
-#define _NEW_ARRAY_EDGEFLAG VERT_BIT_EDGEFLAG
-#define _NEW_ARRAY_POINT_SIZE VERT_BIT_COLOR_INDEX /* aliased */
-#define _NEW_ARRAY_TEXCOORD_0 VERT_BIT_TEX0
-#define _NEW_ARRAY_TEXCOORD_1 VERT_BIT_TEX1
-#define _NEW_ARRAY_TEXCOORD_2 VERT_BIT_TEX2
-#define _NEW_ARRAY_TEXCOORD_3 VERT_BIT_TEX3
-#define _NEW_ARRAY_TEXCOORD_4 VERT_BIT_TEX4
-#define _NEW_ARRAY_TEXCOORD_5 VERT_BIT_TEX5
-#define _NEW_ARRAY_TEXCOORD_6 VERT_BIT_TEX6
-#define _NEW_ARRAY_TEXCOORD_7 VERT_BIT_TEX7
-#define _NEW_ARRAY_ATTRIB_0 VERT_BIT_GENERIC0 /* start at bit 16 */
-#define _NEW_ARRAY_ALL 0xffffffff
-
-
-#define _NEW_ARRAY_TEXCOORD(i) (_NEW_ARRAY_TEXCOORD_0 << (i))
-#define _NEW_ARRAY_ATTRIB(i) (_NEW_ARRAY_ATTRIB_0 << (i))
-/*@}*/
-
-
-
-/**
- * \name A bunch of flags that we think might be useful to drivers.
- *
- * Set in the __struct gl_contextRec::_TriangleCaps bitfield.
- */
-/*@{*/
-#define DD_FLATSHADE 0x1
-#define DD_SEPARATE_SPECULAR 0x2
-#define DD_TRI_CULL_FRONT_BACK 0x4 /* special case on some hw */
-#define DD_TRI_LIGHT_TWOSIDE 0x8
-#define DD_TRI_UNFILLED 0x10
-#define DD_TRI_SMOOTH 0x20
-#define DD_TRI_STIPPLE 0x40
-#define DD_TRI_OFFSET 0x80
-#define DD_LINE_SMOOTH 0x100
-#define DD_LINE_STIPPLE 0x200
-#define DD_POINT_SMOOTH 0x400
-#define DD_POINT_ATTEN 0x800
-#define DD_TRI_TWOSTENCIL 0x1000
-/*@}*/
-
-
-/**
- * \name Define the state changes under which each of these bits might change
- */
-/*@{*/
-#define _DD_NEW_FLATSHADE _NEW_LIGHT
-#define _DD_NEW_SEPARATE_SPECULAR (_NEW_LIGHT | _NEW_FOG | _NEW_PROGRAM)
-#define _DD_NEW_TRI_CULL_FRONT_BACK _NEW_POLYGON
-#define _DD_NEW_TRI_LIGHT_TWOSIDE _NEW_LIGHT
-#define _DD_NEW_TRI_UNFILLED _NEW_POLYGON
-#define _DD_NEW_TRI_SMOOTH _NEW_POLYGON
-#define _DD_NEW_TRI_STIPPLE _NEW_POLYGON
-#define _DD_NEW_TRI_OFFSET _NEW_POLYGON
-#define _DD_NEW_LINE_SMOOTH _NEW_LINE
-#define _DD_NEW_LINE_STIPPLE _NEW_LINE
-#define _DD_NEW_LINE_WIDTH _NEW_LINE
-#define _DD_NEW_POINT_SMOOTH _NEW_POINT
-#define _DD_NEW_POINT_SIZE _NEW_POINT
-#define _DD_NEW_POINT_ATTEN _NEW_POINT
-/*@}*/
-
-
-/**
- * Composite state flags
- */
-/*@{*/
-#define _MESA_NEW_NEED_EYE_COORDS (_NEW_LIGHT | \
- _NEW_TEXTURE | \
- _NEW_POINT | \
- _NEW_PROGRAM | \
- _NEW_MODELVIEW)
-/*@}*/
-
-
-
-
-/* This has to be included here. */
-#include "dd.h"
-
-
-/**
- * Display list flags.
- * Strictly this is a tnl-private concept, but it doesn't seem
- * worthwhile adding a tnl private structure just to hold this one bit
- * of information:
- */
-#define DLIST_DANGLING_REFS 0x1
-
-
-/** Opaque declaration of display list payload data type */
-union gl_dlist_node;
-
-
-/**
- * Provide a location where information about a display list can be
- * collected. Could be extended with driverPrivate structures,
- * etc. in the future.
- */
-struct gl_display_list
-{
- GLuint Name;
- GLbitfield Flags; /**< DLIST_x flags */
- /** The dlist commands are in a linked list of nodes */
- union gl_dlist_node *Head;
-};
-
-
-/**
- * State used during display list compilation and execution.
- */
-struct gl_dlist_state
-{
- GLuint CallDepth; /**< Current recursion calling depth */
-
- struct gl_display_list *CurrentList; /**< List currently being compiled */
- union gl_dlist_node *CurrentBlock; /**< Pointer to current block of nodes */
- GLuint CurrentPos; /**< Index into current block of nodes */
-
- GLvertexformat ListVtxfmt;
-
- GLubyte ActiveAttribSize[VERT_ATTRIB_MAX];
- GLfloat CurrentAttrib[VERT_ATTRIB_MAX][4];
-
- GLubyte ActiveMaterialSize[MAT_ATTRIB_MAX];
- GLfloat CurrentMaterial[MAT_ATTRIB_MAX][4];
-
- GLubyte ActiveIndex;
- GLfloat CurrentIndex;
-
- GLubyte ActiveEdgeFlag;
- GLboolean CurrentEdgeFlag;
-
- struct {
- /* State known to have been set by the currently-compiling display
- * list. Used to eliminate some redundant state changes.
- */
- GLenum ShadeModel;
- } Current;
-};
-
-
-/**
- * Enum for the OpenGL APIs we know about and may support.
- */
-typedef enum
-{
- API_OPENGL,
- API_OPENGLES,
- API_OPENGLES2
-} gl_api;
-
-
-/**
- * Mesa rendering context.
- *
- * This is the central context data structure for Mesa. Almost all
- * OpenGL state is contained in this structure.
- * Think of this as a base class from which device drivers will derive
- * sub classes.
- *
- * The struct gl_context typedef names this structure.
- */
-struct gl_context
-{
- /** State possibly shared with other contexts in the address space */
- struct gl_shared_state *Shared;
-
- /** \name API function pointer tables */
- /*@{*/
- gl_api API;
- struct _glapi_table *Save; /**< Display list save functions */
- struct _glapi_table *Exec; /**< Execute functions */
- struct _glapi_table *CurrentDispatch; /**< == Save or Exec !! */
- /*@}*/
-
- struct gl_config Visual;
- struct gl_framebuffer *DrawBuffer; /**< buffer for writing */
- struct gl_framebuffer *ReadBuffer; /**< buffer for reading */
- struct gl_framebuffer *WinSysDrawBuffer; /**< set with MakeCurrent */
- struct gl_framebuffer *WinSysReadBuffer; /**< set with MakeCurrent */
-
- /**
- * Device driver function pointer table
- */
- struct dd_function_table Driver;
-
- void *DriverCtx; /**< Points to device driver context/state */
-
- /** Core/Driver constants */
- struct gl_constants Const;
-
- /** \name The various 4x4 matrix stacks */
- /*@{*/
- struct gl_matrix_stack ModelviewMatrixStack;
- struct gl_matrix_stack ProjectionMatrixStack;
- struct gl_matrix_stack TextureMatrixStack[MAX_TEXTURE_UNITS];
- struct gl_matrix_stack ProgramMatrixStack[MAX_PROGRAM_MATRICES];
- struct gl_matrix_stack *CurrentStack; /**< Points to one of the above stacks */
- /*@}*/
-
- /** Combined modelview and projection matrix */
- GLmatrix _ModelProjectMatrix;
-
- /** \name Display lists */
- struct gl_dlist_state ListState;
-
- GLboolean ExecuteFlag; /**< Execute GL commands? */
- GLboolean CompileFlag; /**< Compile GL commands into display list? */
-
- /** Extension information */
- struct gl_extensions Extensions;
-
- /** Version info */
- GLuint VersionMajor, VersionMinor;
- char *VersionString;
-
- /** \name State attribute stack (for glPush/PopAttrib) */
- /*@{*/
- GLuint AttribStackDepth;
- struct gl_attrib_node *AttribStack[MAX_ATTRIB_STACK_DEPTH];
- /*@}*/
-
- /** \name Renderer attribute groups
- *
- * We define a struct for each attribute group to make pushing and popping
- * attributes easy. Also it's a good organization.
- */
- /*@{*/
- struct gl_accum_attrib Accum; /**< Accum buffer attributes */
- struct gl_colorbuffer_attrib Color; /**< Color buffer attributes */
- struct gl_current_attrib Current; /**< Current attributes */
- struct gl_depthbuffer_attrib Depth; /**< Depth buffer attributes */
- struct gl_eval_attrib Eval; /**< Eval attributes */
- struct gl_fog_attrib Fog; /**< Fog attributes */
- struct gl_hint_attrib Hint; /**< Hint attributes */
- struct gl_light_attrib Light; /**< Light attributes */
- struct gl_line_attrib Line; /**< Line attributes */
- struct gl_list_attrib List; /**< List attributes */
- struct gl_multisample_attrib Multisample;
- struct gl_pixel_attrib Pixel; /**< Pixel attributes */
- struct gl_point_attrib Point; /**< Point attributes */
- struct gl_polygon_attrib Polygon; /**< Polygon attributes */
- GLuint PolygonStipple[32]; /**< Polygon stipple */
- struct gl_scissor_attrib Scissor; /**< Scissor attributes */
- struct gl_stencil_attrib Stencil; /**< Stencil buffer attributes */
- struct gl_texture_attrib Texture; /**< Texture attributes */
- struct gl_transform_attrib Transform; /**< Transformation attributes */
- struct gl_viewport_attrib Viewport; /**< Viewport attributes */
- /*@}*/
-
- /** \name Client attribute stack */
- /*@{*/
- GLuint ClientAttribStackDepth;
- struct gl_attrib_node *ClientAttribStack[MAX_CLIENT_ATTRIB_STACK_DEPTH];
- /*@}*/
-
- /** \name Client attribute groups */
- /*@{*/
- struct gl_array_attrib Array; /**< Vertex arrays */
- struct gl_pixelstore_attrib Pack; /**< Pixel packing */
- struct gl_pixelstore_attrib Unpack; /**< Pixel unpacking */
- struct gl_pixelstore_attrib DefaultPacking; /**< Default params */
- /*@}*/
-
- /** \name Other assorted state (not pushed/popped on attribute stack) */
- /*@{*/
- struct gl_pixelmaps PixelMaps;
-
- struct gl_evaluators EvalMap; /**< All evaluators */
- struct gl_feedback Feedback; /**< Feedback */
- struct gl_selection Select; /**< Selection */
-
- struct gl_program_state Program; /**< general program state */
- struct gl_vertex_program_state VertexProgram;
- struct gl_fragment_program_state FragmentProgram;
- struct gl_geometry_program_state GeometryProgram;
- struct gl_ati_fragment_shader_state ATIFragmentShader;
-
- struct gl_shader_state Shader; /**< GLSL shader object state */
- struct gl_shader_compiler_options ShaderCompilerOptions[MESA_SHADER_TYPES];
-
- struct gl_query_state Query; /**< occlusion, timer queries */
-
- struct gl_transform_feedback TransformFeedback;
-
- struct gl_buffer_object *CopyReadBuffer; /**< GL_ARB_copy_buffer */
- struct gl_buffer_object *CopyWriteBuffer; /**< GL_ARB_copy_buffer */
- /*@}*/
-
- struct gl_meta_state *Meta; /**< for "meta" operations */
-
- /* GL_EXT_framebuffer_object */
- struct gl_renderbuffer *CurrentRenderbuffer;
-
- GLenum ErrorValue; /**< Last error code */
-
- /**
- * Recognize and silence repeated error debug messages in buggy apps.
- */
- const char *ErrorDebugFmtString;
- GLuint ErrorDebugCount;
-
- GLenum RenderMode; /**< either GL_RENDER, GL_SELECT, GL_FEEDBACK */
- GLbitfield NewState; /**< bitwise-or of _NEW_* flags */
-
- GLboolean ViewportInitialized; /**< has viewport size been initialized? */
-
- GLbitfield varying_vp_inputs; /**< mask of VERT_BIT_* flags */
-
- /** \name Derived state */
- /*@{*/
- /** Bitwise-or of DD_* flags. Note that this bitfield may be used before
- * state validation so they need to always be current.
- */
- GLbitfield _TriangleCaps;
- GLbitfield _ImageTransferState;/**< bitwise-or of IMAGE_*_BIT flags */
- GLfloat _EyeZDir[3];
- GLfloat _ModelViewInvScale;
- GLboolean _NeedEyeCoords;
- GLboolean _ForceEyeCoords;
-
- GLuint TextureStateTimestamp; /**< detect changes to shared state */
-
- struct gl_shine_tab *_ShineTable[2]; /**< Active shine tables */
- struct gl_shine_tab *_ShineTabList; /**< MRU list of inactive shine tables */
- /**@}*/
-
- struct gl_list_extensions *ListExt; /**< driver dlist extensions */
-
- /** \name For debugging/development only */
- /*@{*/
- GLboolean FirstTimeCurrent;
- /*@}*/
-
- /** software compression/decompression supported or not */
- GLboolean Mesa_DXTn;
-
- GLboolean TextureFormatSupported[MESA_FORMAT_COUNT];
-
- /**
- * Use dp4 (rather than mul/mad) instructions for position
- * transformation?
- */
- GLboolean mvp_with_dp4;
-
- /**
- * \name Hooks for module contexts.
- *
- * These will eventually live in the driver or elsewhere.
- */
- /*@{*/
- void *swrast_context;
- void *swsetup_context;
- void *swtnl_context;
- void *swtnl_im;
- struct st_context *st;
- void *aelt_context;
- /*@}*/
-};
-
-
-#ifdef DEBUG
-extern int MESA_VERBOSE;
-extern int MESA_DEBUG_FLAGS;
-# define MESA_FUNCTION __FUNCTION__
-#else
-# define MESA_VERBOSE 0
-# define MESA_DEBUG_FLAGS 0
-# define MESA_FUNCTION "a function"
-# ifndef NDEBUG
-# define NDEBUG
-# endif
-#endif
-
-
-/** The MESA_VERBOSE var is a bitmask of these flags */
-enum _verbose
-{
- VERBOSE_VARRAY = 0x0001,
- VERBOSE_TEXTURE = 0x0002,
- VERBOSE_MATERIAL = 0x0004,
- VERBOSE_PIPELINE = 0x0008,
- VERBOSE_DRIVER = 0x0010,
- VERBOSE_STATE = 0x0020,
- VERBOSE_API = 0x0040,
- VERBOSE_DISPLAY_LIST = 0x0100,
- VERBOSE_LIGHTING = 0x0200,
- VERBOSE_PRIMS = 0x0400,
- VERBOSE_VERTS = 0x0800,
- VERBOSE_DISASSEM = 0x1000,
- VERBOSE_DRAW = 0x2000,
- VERBOSE_SWAPBUFFERS = 0x4000
-};
-
-
-/** The MESA_DEBUG_FLAGS var is a bitmask of these flags */
-enum _debug
-{
- DEBUG_ALWAYS_FLUSH = 0x1
-};
-
-
-
-#endif /* MTYPES_H */
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.7
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file mtypes.h
+ * Main Mesa data structures.
+ *
+ * Please try to mark derived values with a leading underscore ('_').
+ */
+
+#ifndef MTYPES_H
+#define MTYPES_H
+
+
+#include "main/glheader.h"
+#include "main/config.h"
+#include "main/mfeatures.h"
+#include "glapi/glapi.h"
+#include "math/m_matrix.h" /* GLmatrix */
+#include "main/simple_list.h" /* struct simple_node */
+#include "main/formats.h" /* MESA_FORMAT_COUNT */
+
+
+/**
+ * Color channel data type.
+ */
+#if CHAN_BITS == 8
+ typedef GLubyte GLchan;
+#define CHAN_MAX 255
+#define CHAN_MAXF 255.0F
+#define CHAN_TYPE GL_UNSIGNED_BYTE
+#elif CHAN_BITS == 16
+ typedef GLushort GLchan;
+#define CHAN_MAX 65535
+#define CHAN_MAXF 65535.0F
+#define CHAN_TYPE GL_UNSIGNED_SHORT
+#elif CHAN_BITS == 32
+ typedef GLfloat GLchan;
+#define CHAN_MAX 1.0
+#define CHAN_MAXF 1.0F
+#define CHAN_TYPE GL_FLOAT
+#else
+#error "illegal number of color channel bits"
+#endif
+
+
+/**
+ * Stencil buffer data type.
+ */
+#if STENCIL_BITS==8
+ typedef GLubyte GLstencil;
+#elif STENCIL_BITS==16
+ typedef GLushort GLstencil;
+#else
+# error "illegal number of stencil bits"
+#endif
+
+
+/**
+ * \name 64-bit extension of GLbitfield.
+ */
+/*@{*/
+typedef GLuint64 GLbitfield64;
+
+/** Set a single bit */
+#define BITFIELD64_BIT(b) ((GLbitfield64)1 << (b))
+
+
+/**
+ * \name Some forward type declarations
+ */
+/*@{*/
+struct _mesa_HashTable;
+struct gl_attrib_node;
+struct gl_list_extensions;
+struct gl_meta_state;
+struct gl_pixelstore_attrib;
+struct gl_program_cache;
+struct gl_texture_format;
+struct gl_texture_image;
+struct gl_texture_object;
+struct gl_context;
+struct st_context;
+/*@}*/
+
+
+/** Extra draw modes beyond GL_POINTS, GL_TRIANGLE_FAN, etc */
+#define PRIM_OUTSIDE_BEGIN_END (GL_POLYGON+1)
+#define PRIM_INSIDE_UNKNOWN_PRIM (GL_POLYGON+2)
+#define PRIM_UNKNOWN (GL_POLYGON+3)
+
+
+/**
+ * Shader stages. Note that these will become 5 with tessellation.
+ * These MUST have the same values as gallium's PIPE_SHADER_*
+ */
+typedef enum
+{
+ MESA_SHADER_VERTEX = 0,
+ MESA_SHADER_FRAGMENT = 1,
+ MESA_SHADER_GEOMETRY = 2,
+ MESA_SHADER_TYPES = 3
+} gl_shader_type;
+
+
+
+/**
+ * Indexes for vertex program attributes.
+ * GL_NV_vertex_program aliases generic attributes over the conventional
+ * attributes. In GL_ARB_vertex_program shader the aliasing is optional.
+ * In GL_ARB_vertex_shader / OpenGL 2.0 the aliasing is disallowed (the
+ * generic attributes are distinct/separate).
+ */
+typedef enum
+{
+ VERT_ATTRIB_POS = 0,
+ VERT_ATTRIB_WEIGHT = 1,
+ VERT_ATTRIB_NORMAL = 2,
+ VERT_ATTRIB_COLOR0 = 3,
+ VERT_ATTRIB_COLOR1 = 4,
+ VERT_ATTRIB_FOG = 5,
+ VERT_ATTRIB_COLOR_INDEX = 6,
+ VERT_ATTRIB_POINT_SIZE = 6, /*alias*/
+ VERT_ATTRIB_EDGEFLAG = 7,
+ VERT_ATTRIB_TEX0 = 8,
+ VERT_ATTRIB_TEX1 = 9,
+ VERT_ATTRIB_TEX2 = 10,
+ VERT_ATTRIB_TEX3 = 11,
+ VERT_ATTRIB_TEX4 = 12,
+ VERT_ATTRIB_TEX5 = 13,
+ VERT_ATTRIB_TEX6 = 14,
+ VERT_ATTRIB_TEX7 = 15,
+ VERT_ATTRIB_GENERIC0 = 16,
+ VERT_ATTRIB_GENERIC1 = 17,
+ VERT_ATTRIB_GENERIC2 = 18,
+ VERT_ATTRIB_GENERIC3 = 19,
+ VERT_ATTRIB_GENERIC4 = 20,
+ VERT_ATTRIB_GENERIC5 = 21,
+ VERT_ATTRIB_GENERIC6 = 22,
+ VERT_ATTRIB_GENERIC7 = 23,
+ VERT_ATTRIB_GENERIC8 = 24,
+ VERT_ATTRIB_GENERIC9 = 25,
+ VERT_ATTRIB_GENERIC10 = 26,
+ VERT_ATTRIB_GENERIC11 = 27,
+ VERT_ATTRIB_GENERIC12 = 28,
+ VERT_ATTRIB_GENERIC13 = 29,
+ VERT_ATTRIB_GENERIC14 = 30,
+ VERT_ATTRIB_GENERIC15 = 31,
+ VERT_ATTRIB_MAX = 32
+} gl_vert_attrib;
+
+/**
+ * Bitflags for vertex attributes.
+ * These are used in bitfields in many places.
+ */
+/*@{*/
+#define VERT_BIT_POS (1 << VERT_ATTRIB_POS)
+#define VERT_BIT_WEIGHT (1 << VERT_ATTRIB_WEIGHT)
+#define VERT_BIT_NORMAL (1 << VERT_ATTRIB_NORMAL)
+#define VERT_BIT_COLOR0 (1 << VERT_ATTRIB_COLOR0)
+#define VERT_BIT_COLOR1 (1 << VERT_ATTRIB_COLOR1)
+#define VERT_BIT_FOG (1 << VERT_ATTRIB_FOG)
+#define VERT_BIT_COLOR_INDEX (1 << VERT_ATTRIB_COLOR_INDEX)
+#define VERT_BIT_EDGEFLAG (1 << VERT_ATTRIB_EDGEFLAG)
+#define VERT_BIT_TEX0 (1 << VERT_ATTRIB_TEX0)
+#define VERT_BIT_TEX1 (1 << VERT_ATTRIB_TEX1)
+#define VERT_BIT_TEX2 (1 << VERT_ATTRIB_TEX2)
+#define VERT_BIT_TEX3 (1 << VERT_ATTRIB_TEX3)
+#define VERT_BIT_TEX4 (1 << VERT_ATTRIB_TEX4)
+#define VERT_BIT_TEX5 (1 << VERT_ATTRIB_TEX5)
+#define VERT_BIT_TEX6 (1 << VERT_ATTRIB_TEX6)
+#define VERT_BIT_TEX7 (1 << VERT_ATTRIB_TEX7)
+#define VERT_BIT_GENERIC0 (1 << VERT_ATTRIB_GENERIC0)
+#define VERT_BIT_GENERIC1 (1 << VERT_ATTRIB_GENERIC1)
+#define VERT_BIT_GENERIC2 (1 << VERT_ATTRIB_GENERIC2)
+#define VERT_BIT_GENERIC3 (1 << VERT_ATTRIB_GENERIC3)
+#define VERT_BIT_GENERIC4 (1 << VERT_ATTRIB_GENERIC4)
+#define VERT_BIT_GENERIC5 (1 << VERT_ATTRIB_GENERIC5)
+#define VERT_BIT_GENERIC6 (1 << VERT_ATTRIB_GENERIC6)
+#define VERT_BIT_GENERIC7 (1 << VERT_ATTRIB_GENERIC7)
+#define VERT_BIT_GENERIC8 (1 << VERT_ATTRIB_GENERIC8)
+#define VERT_BIT_GENERIC9 (1 << VERT_ATTRIB_GENERIC9)
+#define VERT_BIT_GENERIC10 (1 << VERT_ATTRIB_GENERIC10)
+#define VERT_BIT_GENERIC11 (1 << VERT_ATTRIB_GENERIC11)
+#define VERT_BIT_GENERIC12 (1 << VERT_ATTRIB_GENERIC12)
+#define VERT_BIT_GENERIC13 (1 << VERT_ATTRIB_GENERIC13)
+#define VERT_BIT_GENERIC14 (1 << VERT_ATTRIB_GENERIC14)
+#define VERT_BIT_GENERIC15 (1 << VERT_ATTRIB_GENERIC15)
+
+#define VERT_BIT_TEX(u) (1 << (VERT_ATTRIB_TEX0 + (u)))
+#define VERT_BIT_GENERIC(g) (1 << (VERT_ATTRIB_GENERIC0 + (g)))
+/*@}*/
+
+
+/**
+ * Indexes for vertex program result attributes
+ */
+typedef enum
+{
+ VERT_RESULT_HPOS = 0,
+ VERT_RESULT_COL0 = 1,
+ VERT_RESULT_COL1 = 2,
+ VERT_RESULT_FOGC = 3,
+ VERT_RESULT_TEX0 = 4,
+ VERT_RESULT_TEX1 = 5,
+ VERT_RESULT_TEX2 = 6,
+ VERT_RESULT_TEX3 = 7,
+ VERT_RESULT_TEX4 = 8,
+ VERT_RESULT_TEX5 = 9,
+ VERT_RESULT_TEX6 = 10,
+ VERT_RESULT_TEX7 = 11,
+ VERT_RESULT_PSIZ = 12,
+ VERT_RESULT_BFC0 = 13,
+ VERT_RESULT_BFC1 = 14,
+ VERT_RESULT_EDGE = 15,
+ VERT_RESULT_VAR0 = 16, /**< shader varying */
+ VERT_RESULT_MAX = (VERT_RESULT_VAR0 + MAX_VARYING)
+} gl_vert_result;
+
+
+/*********************************************/
+
+/**
+ * Indexes for geometry program attributes.
+ */
+typedef enum
+{
+ GEOM_ATTRIB_POSITION = 0,
+ GEOM_ATTRIB_COLOR0 = 1,
+ GEOM_ATTRIB_COLOR1 = 2,
+ GEOM_ATTRIB_SECONDARY_COLOR0 = 3,
+ GEOM_ATTRIB_SECONDARY_COLOR1 = 4,
+ GEOM_ATTRIB_FOG_FRAG_COORD = 5,
+ GEOM_ATTRIB_POINT_SIZE = 6,
+ GEOM_ATTRIB_CLIP_VERTEX = 7,
+ GEOM_ATTRIB_PRIMITIVE_ID = 8,
+ GEOM_ATTRIB_TEX_COORD = 9,
+
+ GEOM_ATTRIB_VAR0 = 16,
+ GEOM_ATTRIB_MAX = (GEOM_ATTRIB_VAR0 + MAX_VARYING)
+} gl_geom_attrib;
+
+/**
+ * Bitflags for geometry attributes.
+ * These are used in bitfields in many places.
+ */
+/*@{*/
+#define GEOM_BIT_COLOR0 (1 << GEOM_ATTRIB_COLOR0)
+#define GEOM_BIT_COLOR1 (1 << GEOM_ATTRIB_COLOR1)
+#define GEOM_BIT_SCOLOR0 (1 << GEOM_ATTRIB_SECONDARY_COLOR0)
+#define GEOM_BIT_SCOLOR1 (1 << GEOM_ATTRIB_SECONDARY_COLOR1)
+#define GEOM_BIT_TEX_COORD (1 << GEOM_ATTRIB_TEX_COORD)
+#define GEOM_BIT_FOG_COORD (1 << GEOM_ATTRIB_FOG_FRAG_COORD)
+#define GEOM_BIT_POSITION (1 << GEOM_ATTRIB_POSITION)
+#define GEOM_BIT_POINT_SIDE (1 << GEOM_ATTRIB_POINT_SIZE)
+#define GEOM_BIT_CLIP_VERTEX (1 << GEOM_ATTRIB_CLIP_VERTEX)
+#define GEOM_BIT_PRIM_ID (1 << GEOM_ATTRIB_PRIMITIVE_ID)
+#define GEOM_BIT_VAR0 (1 << GEOM_ATTRIB_VAR0)
+
+#define GEOM_BIT_VAR(g) (1 << (GEOM_BIT_VAR0 + (g)))
+/*@}*/
+
+
+/**
+ * Indexes for geometry program result attributes
+ */
+typedef enum
+{
+ GEOM_RESULT_POS = 0,
+ GEOM_RESULT_COL0 = 1,
+ GEOM_RESULT_COL1 = 2,
+ GEOM_RESULT_SCOL0 = 3,
+ GEOM_RESULT_SCOL1 = 4,
+ GEOM_RESULT_FOGC = 5,
+ GEOM_RESULT_TEX0 = 6,
+ GEOM_RESULT_TEX1 = 7,
+ GEOM_RESULT_TEX2 = 8,
+ GEOM_RESULT_TEX3 = 9,
+ GEOM_RESULT_TEX4 = 10,
+ GEOM_RESULT_TEX5 = 11,
+ GEOM_RESULT_TEX6 = 12,
+ GEOM_RESULT_TEX7 = 13,
+ GEOM_RESULT_PSIZ = 14,
+ GEOM_RESULT_CLPV = 15,
+ GEOM_RESULT_PRID = 16,
+ GEOM_RESULT_LAYR = 17,
+ GEOM_RESULT_VAR0 = 18, /**< shader varying, should really be 16 */
+ /* ### we need to -2 because var0 is 18 instead 16 like in the others */
+ GEOM_RESULT_MAX = (GEOM_RESULT_VAR0 + MAX_VARYING - 2)
+} gl_geom_result;
+
+
+/**
+ * Indexes for fragment program input attributes.
+ */
+typedef enum
+{
+ FRAG_ATTRIB_WPOS = 0,
+ FRAG_ATTRIB_COL0 = 1,
+ FRAG_ATTRIB_COL1 = 2,
+ FRAG_ATTRIB_FOGC = 3,
+ FRAG_ATTRIB_TEX0 = 4,
+ FRAG_ATTRIB_TEX1 = 5,
+ FRAG_ATTRIB_TEX2 = 6,
+ FRAG_ATTRIB_TEX3 = 7,
+ FRAG_ATTRIB_TEX4 = 8,
+ FRAG_ATTRIB_TEX5 = 9,
+ FRAG_ATTRIB_TEX6 = 10,
+ FRAG_ATTRIB_TEX7 = 11,
+ FRAG_ATTRIB_FACE = 12, /**< front/back face */
+ FRAG_ATTRIB_PNTC = 13, /**< sprite/point coord */
+ FRAG_ATTRIB_VAR0 = 14, /**< shader varying */
+ FRAG_ATTRIB_MAX = (FRAG_ATTRIB_VAR0 + MAX_VARYING)
+} gl_frag_attrib;
+
+/**
+ * Bitflags for fragment program input attributes.
+ */
+/*@{*/
+#define FRAG_BIT_WPOS (1 << FRAG_ATTRIB_WPOS)
+#define FRAG_BIT_COL0 (1 << FRAG_ATTRIB_COL0)
+#define FRAG_BIT_COL1 (1 << FRAG_ATTRIB_COL1)
+#define FRAG_BIT_FOGC (1 << FRAG_ATTRIB_FOGC)
+#define FRAG_BIT_FACE (1 << FRAG_ATTRIB_FACE)
+#define FRAG_BIT_PNTC (1 << FRAG_ATTRIB_PNTC)
+#define FRAG_BIT_TEX0 (1 << FRAG_ATTRIB_TEX0)
+#define FRAG_BIT_TEX1 (1 << FRAG_ATTRIB_TEX1)
+#define FRAG_BIT_TEX2 (1 << FRAG_ATTRIB_TEX2)
+#define FRAG_BIT_TEX3 (1 << FRAG_ATTRIB_TEX3)
+#define FRAG_BIT_TEX4 (1 << FRAG_ATTRIB_TEX4)
+#define FRAG_BIT_TEX5 (1 << FRAG_ATTRIB_TEX5)
+#define FRAG_BIT_TEX6 (1 << FRAG_ATTRIB_TEX6)
+#define FRAG_BIT_TEX7 (1 << FRAG_ATTRIB_TEX7)
+#define FRAG_BIT_VAR0 (1 << FRAG_ATTRIB_VAR0)
+
+#define FRAG_BIT_TEX(U) (FRAG_BIT_TEX0 << (U))
+#define FRAG_BIT_VAR(V) (FRAG_BIT_VAR0 << (V))
+
+#define FRAG_BITS_TEX_ANY (FRAG_BIT_TEX0| \
+ FRAG_BIT_TEX1| \
+ FRAG_BIT_TEX2| \
+ FRAG_BIT_TEX3| \
+ FRAG_BIT_TEX4| \
+ FRAG_BIT_TEX5| \
+ FRAG_BIT_TEX6| \
+ FRAG_BIT_TEX7)
+/*@}*/
+
+
+/**
+ * Fragment program results
+ */
+typedef enum
+{
+ FRAG_RESULT_DEPTH = 0,
+ FRAG_RESULT_STENCIL = 1,
+ FRAG_RESULT_COLOR = 2,
+ FRAG_RESULT_DATA0 = 3,
+ FRAG_RESULT_MAX = (FRAG_RESULT_DATA0 + MAX_DRAW_BUFFERS)
+} gl_frag_result;
+
+
+/**
+ * Indexes for all renderbuffers
+ */
+typedef enum
+{
+ /* the four standard color buffers */
+ BUFFER_FRONT_LEFT,
+ BUFFER_BACK_LEFT,
+ BUFFER_FRONT_RIGHT,
+ BUFFER_BACK_RIGHT,
+ BUFFER_DEPTH,
+ BUFFER_STENCIL,
+ BUFFER_ACCUM,
+ /* optional aux buffer */
+ BUFFER_AUX0,
+ /* generic renderbuffers */
+ BUFFER_COLOR0,
+ BUFFER_COLOR1,
+ BUFFER_COLOR2,
+ BUFFER_COLOR3,
+ BUFFER_COLOR4,
+ BUFFER_COLOR5,
+ BUFFER_COLOR6,
+ BUFFER_COLOR7,
+ BUFFER_COUNT
+} gl_buffer_index;
+
+/**
+ * Bit flags for all renderbuffers
+ */
+#define BUFFER_BIT_FRONT_LEFT (1 << BUFFER_FRONT_LEFT)
+#define BUFFER_BIT_BACK_LEFT (1 << BUFFER_BACK_LEFT)
+#define BUFFER_BIT_FRONT_RIGHT (1 << BUFFER_FRONT_RIGHT)
+#define BUFFER_BIT_BACK_RIGHT (1 << BUFFER_BACK_RIGHT)
+#define BUFFER_BIT_AUX0 (1 << BUFFER_AUX0)
+#define BUFFER_BIT_AUX1 (1 << BUFFER_AUX1)
+#define BUFFER_BIT_AUX2 (1 << BUFFER_AUX2)
+#define BUFFER_BIT_AUX3 (1 << BUFFER_AUX3)
+#define BUFFER_BIT_DEPTH (1 << BUFFER_DEPTH)
+#define BUFFER_BIT_STENCIL (1 << BUFFER_STENCIL)
+#define BUFFER_BIT_ACCUM (1 << BUFFER_ACCUM)
+#define BUFFER_BIT_COLOR0 (1 << BUFFER_COLOR0)
+#define BUFFER_BIT_COLOR1 (1 << BUFFER_COLOR1)
+#define BUFFER_BIT_COLOR2 (1 << BUFFER_COLOR2)
+#define BUFFER_BIT_COLOR3 (1 << BUFFER_COLOR3)
+#define BUFFER_BIT_COLOR4 (1 << BUFFER_COLOR4)
+#define BUFFER_BIT_COLOR5 (1 << BUFFER_COLOR5)
+#define BUFFER_BIT_COLOR6 (1 << BUFFER_COLOR6)
+#define BUFFER_BIT_COLOR7 (1 << BUFFER_COLOR7)
+
+/**
+ * Mask of all the color buffer bits (but not accum).
+ */
+#define BUFFER_BITS_COLOR (BUFFER_BIT_FRONT_LEFT | \
+ BUFFER_BIT_BACK_LEFT | \
+ BUFFER_BIT_FRONT_RIGHT | \
+ BUFFER_BIT_BACK_RIGHT | \
+ BUFFER_BIT_AUX0 | \
+ BUFFER_BIT_COLOR0 | \
+ BUFFER_BIT_COLOR1 | \
+ BUFFER_BIT_COLOR2 | \
+ BUFFER_BIT_COLOR3 | \
+ BUFFER_BIT_COLOR4 | \
+ BUFFER_BIT_COLOR5 | \
+ BUFFER_BIT_COLOR6 | \
+ BUFFER_BIT_COLOR7)
+
+
+/**
+ * Framebuffer configuration (aka visual / pixelformat)
+ * Note: some of these fields should be boolean, but it appears that
+ * code in drivers/dri/common/util.c requires int-sized fields.
+ */
+struct gl_config
+{
+ GLboolean rgbMode;
+ GLboolean floatMode;
+ GLboolean colorIndexMode; /* XXX is this used anywhere? */
+ GLuint doubleBufferMode;
+ GLuint stereoMode;
+
+ GLboolean haveAccumBuffer;
+ GLboolean haveDepthBuffer;
+ GLboolean haveStencilBuffer;
+
+ GLint redBits, greenBits, blueBits, alphaBits; /* bits per comp */
+ GLuint redMask, greenMask, blueMask, alphaMask;
+ GLint rgbBits; /* total bits for rgb */
+ GLint indexBits; /* total bits for colorindex */
+
+ GLint accumRedBits, accumGreenBits, accumBlueBits, accumAlphaBits;
+ GLint depthBits;
+ GLint stencilBits;
+
+ GLint numAuxBuffers;
+
+ GLint level;
+
+ /* EXT_visual_rating / GLX 1.2 */
+ GLint visualRating;
+
+ /* EXT_visual_info / GLX 1.2 */
+ GLint transparentPixel;
+ /* colors are floats scaled to ints */
+ GLint transparentRed, transparentGreen, transparentBlue, transparentAlpha;
+ GLint transparentIndex;
+
+ /* ARB_multisample / SGIS_multisample */
+ GLint sampleBuffers;
+ GLint samples;
+
+ /* SGIX_pbuffer / GLX 1.3 */
+ GLint maxPbufferWidth;
+ GLint maxPbufferHeight;
+ GLint maxPbufferPixels;
+ GLint optimalPbufferWidth; /* Only for SGIX_pbuffer. */
+ GLint optimalPbufferHeight; /* Only for SGIX_pbuffer. */
+
+ /* OML_swap_method */
+ GLint swapMethod;
+
+ /* EXT_texture_from_pixmap */
+ GLint bindToTextureRgb;
+ GLint bindToTextureRgba;
+ GLint bindToMipmapTexture;
+ GLint bindToTextureTargets;
+ GLint yInverted;
+
+ /* EXT_framebuffer_sRGB */
+ GLint sRGBCapable;
+};
+
+
+/**
+ * Data structure for color tables
+ */
+struct gl_color_table
+{
+ GLenum InternalFormat; /**< The user-specified format */
+ GLenum _BaseFormat; /**< GL_ALPHA, GL_RGBA, GL_RGB, etc */
+ GLuint Size; /**< number of entries in table */
+ GLfloat *TableF; /**< Color table, floating point values */
+ GLubyte *TableUB; /**< Color table, ubyte values */
+ GLubyte RedSize;
+ GLubyte GreenSize;
+ GLubyte BlueSize;
+ GLubyte AlphaSize;
+ GLubyte LuminanceSize;
+ GLubyte IntensitySize;
+};
+
+
+/**
+ * \name Bit flags used for updating material values.
+ */
+/*@{*/
+#define MAT_ATTRIB_FRONT_AMBIENT 0
+#define MAT_ATTRIB_BACK_AMBIENT 1
+#define MAT_ATTRIB_FRONT_DIFFUSE 2
+#define MAT_ATTRIB_BACK_DIFFUSE 3
+#define MAT_ATTRIB_FRONT_SPECULAR 4
+#define MAT_ATTRIB_BACK_SPECULAR 5
+#define MAT_ATTRIB_FRONT_EMISSION 6
+#define MAT_ATTRIB_BACK_EMISSION 7
+#define MAT_ATTRIB_FRONT_SHININESS 8
+#define MAT_ATTRIB_BACK_SHININESS 9
+#define MAT_ATTRIB_FRONT_INDEXES 10
+#define MAT_ATTRIB_BACK_INDEXES 11
+#define MAT_ATTRIB_MAX 12
+
+#define MAT_ATTRIB_AMBIENT(f) (MAT_ATTRIB_FRONT_AMBIENT+(f))
+#define MAT_ATTRIB_DIFFUSE(f) (MAT_ATTRIB_FRONT_DIFFUSE+(f))
+#define MAT_ATTRIB_SPECULAR(f) (MAT_ATTRIB_FRONT_SPECULAR+(f))
+#define MAT_ATTRIB_EMISSION(f) (MAT_ATTRIB_FRONT_EMISSION+(f))
+#define MAT_ATTRIB_SHININESS(f)(MAT_ATTRIB_FRONT_SHININESS+(f))
+#define MAT_ATTRIB_INDEXES(f) (MAT_ATTRIB_FRONT_INDEXES+(f))
+
+#define MAT_INDEX_AMBIENT 0
+#define MAT_INDEX_DIFFUSE 1
+#define MAT_INDEX_SPECULAR 2
+
+#define MAT_BIT_FRONT_AMBIENT (1<<MAT_ATTRIB_FRONT_AMBIENT)
+#define MAT_BIT_BACK_AMBIENT (1<<MAT_ATTRIB_BACK_AMBIENT)
+#define MAT_BIT_FRONT_DIFFUSE (1<<MAT_ATTRIB_FRONT_DIFFUSE)
+#define MAT_BIT_BACK_DIFFUSE (1<<MAT_ATTRIB_BACK_DIFFUSE)
+#define MAT_BIT_FRONT_SPECULAR (1<<MAT_ATTRIB_FRONT_SPECULAR)
+#define MAT_BIT_BACK_SPECULAR (1<<MAT_ATTRIB_BACK_SPECULAR)
+#define MAT_BIT_FRONT_EMISSION (1<<MAT_ATTRIB_FRONT_EMISSION)
+#define MAT_BIT_BACK_EMISSION (1<<MAT_ATTRIB_BACK_EMISSION)
+#define MAT_BIT_FRONT_SHININESS (1<<MAT_ATTRIB_FRONT_SHININESS)
+#define MAT_BIT_BACK_SHININESS (1<<MAT_ATTRIB_BACK_SHININESS)
+#define MAT_BIT_FRONT_INDEXES (1<<MAT_ATTRIB_FRONT_INDEXES)
+#define MAT_BIT_BACK_INDEXES (1<<MAT_ATTRIB_BACK_INDEXES)
+
+
+#define FRONT_MATERIAL_BITS (MAT_BIT_FRONT_EMISSION | \
+ MAT_BIT_FRONT_AMBIENT | \
+ MAT_BIT_FRONT_DIFFUSE | \
+ MAT_BIT_FRONT_SPECULAR | \
+ MAT_BIT_FRONT_SHININESS | \
+ MAT_BIT_FRONT_INDEXES)
+
+#define BACK_MATERIAL_BITS (MAT_BIT_BACK_EMISSION | \
+ MAT_BIT_BACK_AMBIENT | \
+ MAT_BIT_BACK_DIFFUSE | \
+ MAT_BIT_BACK_SPECULAR | \
+ MAT_BIT_BACK_SHININESS | \
+ MAT_BIT_BACK_INDEXES)
+
+#define ALL_MATERIAL_BITS (FRONT_MATERIAL_BITS | BACK_MATERIAL_BITS)
+/*@}*/
+
+
+#define EXP_TABLE_SIZE 512 /**< Specular exponent lookup table sizes */
+#define SHINE_TABLE_SIZE 256 /**< Material shininess lookup table sizes */
+
+/**
+ * Material shininess lookup table.
+ */
+struct gl_shine_tab
+{
+ struct gl_shine_tab *next, *prev;
+ GLfloat tab[SHINE_TABLE_SIZE+1];
+ GLfloat shininess;
+ GLuint refcount;
+};
+
+
+/**
+ * Light source state.
+ */
+struct gl_light
+{
+ struct gl_light *next; /**< double linked list with sentinel */
+ struct gl_light *prev;
+
+ GLfloat Ambient[4]; /**< ambient color */
+ GLfloat Diffuse[4]; /**< diffuse color */
+ GLfloat Specular[4]; /**< specular color */
+ GLfloat EyePosition[4]; /**< position in eye coordinates */
+ GLfloat SpotDirection[4]; /**< spotlight direction in eye coordinates */
+ GLfloat SpotExponent;
+ GLfloat SpotCutoff; /**< in degrees */
+ GLfloat _CosCutoffNeg; /**< = cos(SpotCutoff) */
+ GLfloat _CosCutoff; /**< = MAX(0, cos(SpotCutoff)) */
+ GLfloat ConstantAttenuation;
+ GLfloat LinearAttenuation;
+ GLfloat QuadraticAttenuation;
+ GLboolean Enabled; /**< On/off flag */
+
+ /**
+ * \name Derived fields
+ */
+ /*@{*/
+ GLbitfield _Flags; /**< State */
+
+ GLfloat _Position[4]; /**< position in eye/obj coordinates */
+ GLfloat _VP_inf_norm[3]; /**< Norm direction to infinite light */
+ GLfloat _h_inf_norm[3]; /**< Norm( _VP_inf_norm + <0,0,1> ) */
+ GLfloat _NormSpotDirection[4]; /**< normalized spotlight direction */
+ GLfloat _VP_inf_spot_attenuation;
+
+ GLfloat _SpotExpTable[EXP_TABLE_SIZE][2]; /**< to replace a pow() call */
+ GLfloat _MatAmbient[2][3]; /**< material ambient * light ambient */
+ GLfloat _MatDiffuse[2][3]; /**< material diffuse * light diffuse */
+ GLfloat _MatSpecular[2][3]; /**< material spec * light specular */
+ GLfloat _dli; /**< CI diffuse light intensity */
+ GLfloat _sli; /**< CI specular light intensity */
+ /*@}*/
+};
+
+
+/**
+ * Light model state.
+ */
+struct gl_lightmodel
+{
+ GLfloat Ambient[4]; /**< ambient color */
+ GLboolean LocalViewer; /**< Local (or infinite) view point? */
+ GLboolean TwoSide; /**< Two (or one) sided lighting? */
+ GLenum ColorControl; /**< either GL_SINGLE_COLOR
+ * or GL_SEPARATE_SPECULAR_COLOR */
+};
+
+
+/**
+ * Material state.
+ */
+struct gl_material
+{
+ GLfloat Attrib[MAT_ATTRIB_MAX][4];
+};
+
+
+/**
+ * Accumulation buffer attribute group (GL_ACCUM_BUFFER_BIT)
+ */
+struct gl_accum_attrib
+{
+ GLfloat ClearColor[4]; /**< Accumulation buffer clear color */
+};
+
+
+/**
+ * Color buffer attribute group (GL_COLOR_BUFFER_BIT).
+ */
+struct gl_colorbuffer_attrib
+{
+ GLuint ClearIndex; /**< Index to use for glClear */
+ GLclampf ClearColor[4]; /**< Color to use for glClear */
+
+ GLuint IndexMask; /**< Color index write mask */
+ GLubyte ColorMask[MAX_DRAW_BUFFERS][4];/**< Each flag is 0xff or 0x0 */
+
+ GLenum DrawBuffer[MAX_DRAW_BUFFERS]; /**< Which buffer to draw into */
+
+ /**
+ * \name alpha testing
+ */
+ /*@{*/
+ GLboolean AlphaEnabled; /**< Alpha test enabled flag */
+ GLenum AlphaFunc; /**< Alpha test function */
+ GLclampf AlphaRef; /**< Alpha reference value */
+ /*@}*/
+
+ /**
+ * \name Blending
+ */
+ /*@{*/
+ GLbitfield BlendEnabled; /**< Per-buffer blend enable flags */
+ GLfloat BlendColor[4]; /**< Blending color */
+ struct
+ {
+ GLenum SrcRGB; /**< RGB blend source term */
+ GLenum DstRGB; /**< RGB blend dest term */
+ GLenum SrcA; /**< Alpha blend source term */
+ GLenum DstA; /**< Alpha blend dest term */
+ GLenum EquationRGB; /**< GL_ADD, GL_SUBTRACT, etc. */
+ GLenum EquationA; /**< GL_ADD, GL_SUBTRACT, etc. */
+ } Blend[MAX_DRAW_BUFFERS];
+ /** Are the blend func terms currently different for each buffer/target? */
+ GLboolean _BlendFuncPerBuffer;
+ /** Are the blend equations currently different for each buffer/target? */
+ GLboolean _BlendEquationPerBuffer;
+ /*@}*/
+
+ /**
+ * \name Logic op
+ */
+ /*@{*/
+ GLenum LogicOp; /**< Logic operator */
+ GLboolean IndexLogicOpEnabled; /**< Color index logic op enabled flag */
+ GLboolean ColorLogicOpEnabled; /**< RGBA logic op enabled flag */
+ GLboolean _LogicOpEnabled; /**< RGBA logic op + EXT_blend_logic_op enabled flag */
+ /*@}*/
+
+ GLboolean DitherFlag; /**< Dither enable flag */
+
+ GLenum ClampFragmentColor; /**< GL_TRUE, GL_FALSE or GL_FIXED_ONLY_ARB */
+ GLenum ClampReadColor; /**< GL_TRUE, GL_FALSE or GL_FIXED_ONLY_ARB */
+
+ GLboolean sRGBEnabled; /**< Framebuffer sRGB blending/updating requested */
+};
+
+
+/**
+ * Current attribute group (GL_CURRENT_BIT).
+ */
+struct gl_current_attrib
+{
+ /**
+ * \name Current vertex attributes.
+ * \note Values are valid only after FLUSH_VERTICES has been called.
+ * \note Index and Edgeflag current values are stored as floats in the
+ * SIX and SEVEN attribute slots.
+ */
+ GLfloat Attrib[VERT_ATTRIB_MAX][4]; /**< Position, color, texcoords, etc */
+
+ /**
+ * \name Current raster position attributes (always valid).
+ * \note This set of attributes is very similar to the SWvertex struct.
+ */
+ /*@{*/
+ GLfloat RasterPos[4];
+ GLfloat RasterDistance;
+ GLfloat RasterColor[4];
+ GLfloat RasterSecondaryColor[4];
+ GLfloat RasterTexCoords[MAX_TEXTURE_COORD_UNITS][4];
+ GLboolean RasterPosValid;
+ /*@}*/
+};
+
+
+/**
+ * Depth buffer attribute group (GL_DEPTH_BUFFER_BIT).
+ */
+struct gl_depthbuffer_attrib
+{
+ GLenum Func; /**< Function for depth buffer compare */
+ GLclampd Clear; /**< Value to clear depth buffer to */
+ GLboolean Test; /**< Depth buffering enabled flag */
+ GLboolean Mask; /**< Depth buffer writable? */
+ GLboolean BoundsTest; /**< GL_EXT_depth_bounds_test */
+ GLfloat BoundsMin, BoundsMax;/**< GL_EXT_depth_bounds_test */
+};
+
+
+/**
+ * Evaluator attribute group (GL_EVAL_BIT).
+ */
+struct gl_eval_attrib
+{
+ /**
+ * \name Enable bits
+ */
+ /*@{*/
+ GLboolean Map1Color4;
+ GLboolean Map1Index;
+ GLboolean Map1Normal;
+ GLboolean Map1TextureCoord1;
+ GLboolean Map1TextureCoord2;
+ GLboolean Map1TextureCoord3;
+ GLboolean Map1TextureCoord4;
+ GLboolean Map1Vertex3;
+ GLboolean Map1Vertex4;
+ GLboolean Map1Attrib[16]; /* GL_NV_vertex_program */
+ GLboolean Map2Color4;
+ GLboolean Map2Index;
+ GLboolean Map2Normal;
+ GLboolean Map2TextureCoord1;
+ GLboolean Map2TextureCoord2;
+ GLboolean Map2TextureCoord3;
+ GLboolean Map2TextureCoord4;
+ GLboolean Map2Vertex3;
+ GLboolean Map2Vertex4;
+ GLboolean Map2Attrib[16]; /* GL_NV_vertex_program */
+ GLboolean AutoNormal;
+ /*@}*/
+
+ /**
+ * \name Map Grid endpoints and divisions and calculated du values
+ */
+ /*@{*/
+ GLint MapGrid1un;
+ GLfloat MapGrid1u1, MapGrid1u2, MapGrid1du;
+ GLint MapGrid2un, MapGrid2vn;
+ GLfloat MapGrid2u1, MapGrid2u2, MapGrid2du;
+ GLfloat MapGrid2v1, MapGrid2v2, MapGrid2dv;
+ /*@}*/
+};
+
+
+/**
+ * Fog attribute group (GL_FOG_BIT).
+ */
+struct gl_fog_attrib
+{
+ GLboolean Enabled; /**< Fog enabled flag */
+ GLfloat Color[4]; /**< Fog color */
+ GLfloat Density; /**< Density >= 0.0 */
+ GLfloat Start; /**< Start distance in eye coords */
+ GLfloat End; /**< End distance in eye coords */
+ GLfloat Index; /**< Fog index */
+ GLenum Mode; /**< Fog mode */
+ GLboolean ColorSumEnabled;
+ GLenum FogCoordinateSource; /**< GL_EXT_fog_coord */
+ GLfloat _Scale; /**< (End == Start) ? 1.0 : 1.0 / (End - Start) */
+};
+
+
+/**
+ * \brief Layout qualifiers for gl_FragDepth.
+ *
+ * Extension AMD_conservative_depth allows gl_FragDepth to be redeclared with
+ * a layout qualifier.
+ *
+ * \see enum ir_depth_layout
+ */
+enum gl_frag_depth_layout {
+ FRAG_DEPTH_LAYOUT_NONE, /**< No layout is specified. */
+ FRAG_DEPTH_LAYOUT_ANY,
+ FRAG_DEPTH_LAYOUT_GREATER,
+ FRAG_DEPTH_LAYOUT_LESS,
+ FRAG_DEPTH_LAYOUT_UNCHANGED
+};
+
+
+/**
+ * Hint attribute group (GL_HINT_BIT).
+ *
+ * Values are always one of GL_FASTEST, GL_NICEST, or GL_DONT_CARE.
+ */
+struct gl_hint_attrib
+{
+ GLenum PerspectiveCorrection;
+ GLenum PointSmooth;
+ GLenum LineSmooth;
+ GLenum PolygonSmooth;
+ GLenum Fog;
+ GLenum ClipVolumeClipping; /**< GL_EXT_clip_volume_hint */
+ GLenum TextureCompression; /**< GL_ARB_texture_compression */
+ GLenum GenerateMipmap; /**< GL_SGIS_generate_mipmap */
+ GLenum FragmentShaderDerivative; /**< GL_ARB_fragment_shader */
+};
+
+/**
+ * Light state flags.
+ */
+/*@{*/
+#define LIGHT_SPOT 0x1
+#define LIGHT_LOCAL_VIEWER 0x2
+#define LIGHT_POSITIONAL 0x4
+#define LIGHT_NEED_VERTICES (LIGHT_POSITIONAL|LIGHT_LOCAL_VIEWER)
+/*@}*/
+
+
+/**
+ * Lighting attribute group (GL_LIGHT_BIT).
+ */
+struct gl_light_attrib
+{
+ struct gl_light Light[MAX_LIGHTS]; /**< Array of light sources */
+ struct gl_lightmodel Model; /**< Lighting model */
+
+ /**
+ * Must flush FLUSH_VERTICES before referencing:
+ */
+ /*@{*/
+ struct gl_material Material; /**< Includes front & back values */
+ /*@}*/
+
+ GLboolean Enabled; /**< Lighting enabled flag */
+ GLenum ShadeModel; /**< GL_FLAT or GL_SMOOTH */
+ GLenum ProvokingVertex; /**< GL_EXT_provoking_vertex */
+ GLenum ColorMaterialFace; /**< GL_FRONT, BACK or FRONT_AND_BACK */
+ GLenum ColorMaterialMode; /**< GL_AMBIENT, GL_DIFFUSE, etc */
+ GLbitfield ColorMaterialBitmask; /**< bitmask formed from Face and Mode */
+ GLboolean ColorMaterialEnabled;
+ GLenum ClampVertexColor;
+
+ struct gl_light EnabledList; /**< List sentinel */
+
+ /**
+ * Derived state for optimizations:
+ */
+ /*@{*/
+ GLboolean _NeedEyeCoords;
+ GLboolean _NeedVertices; /**< Use fast shader? */
+ GLbitfield _Flags; /**< LIGHT_* flags, see above */
+ GLfloat _BaseColor[2][3];
+ /*@}*/
+};
+
+
+/**
+ * Line attribute group (GL_LINE_BIT).
+ */
+struct gl_line_attrib
+{
+ GLboolean SmoothFlag; /**< GL_LINE_SMOOTH enabled? */
+ GLboolean StippleFlag; /**< GL_LINE_STIPPLE enabled? */
+ GLushort StipplePattern; /**< Stipple pattern */
+ GLint StippleFactor; /**< Stipple repeat factor */
+ GLfloat Width; /**< Line width */
+};
+
+
+/**
+ * Display list attribute group (GL_LIST_BIT).
+ */
+struct gl_list_attrib
+{
+ GLuint ListBase;
+};
+
+
+/**
+ * Multisample attribute group (GL_MULTISAMPLE_BIT).
+ */
+struct gl_multisample_attrib
+{
+ GLboolean Enabled;
+ GLboolean _Enabled; /**< true if Enabled and multisample buffer */
+ GLboolean SampleAlphaToCoverage;
+ GLboolean SampleAlphaToOne;
+ GLboolean SampleCoverage;
+ GLfloat SampleCoverageValue;
+ GLboolean SampleCoverageInvert;
+};
+
+
+/**
+ * A pixelmap (see glPixelMap)
+ */
+struct gl_pixelmap
+{
+ GLint Size;
+ GLfloat Map[MAX_PIXEL_MAP_TABLE];
+ GLubyte Map8[MAX_PIXEL_MAP_TABLE]; /**< converted to 8-bit color */
+};
+
+
+/**
+ * Collection of all pixelmaps
+ */
+struct gl_pixelmaps
+{
+ struct gl_pixelmap RtoR; /**< i.e. GL_PIXEL_MAP_R_TO_R */
+ struct gl_pixelmap GtoG;
+ struct gl_pixelmap BtoB;
+ struct gl_pixelmap AtoA;
+ struct gl_pixelmap ItoR;
+ struct gl_pixelmap ItoG;
+ struct gl_pixelmap ItoB;
+ struct gl_pixelmap ItoA;
+ struct gl_pixelmap ItoI;
+ struct gl_pixelmap StoS;
+};
+
+
+/**
+ * Pixel attribute group (GL_PIXEL_MODE_BIT).
+ */
+struct gl_pixel_attrib
+{
+ GLenum ReadBuffer; /**< source buffer for glRead/CopyPixels() */
+
+ /*--- Begin Pixel Transfer State ---*/
+ /* Fields are in the order in which they're applied... */
+
+ /** Scale & Bias (index shift, offset) */
+ /*@{*/
+ GLfloat RedBias, RedScale;
+ GLfloat GreenBias, GreenScale;
+ GLfloat BlueBias, BlueScale;
+ GLfloat AlphaBias, AlphaScale;
+ GLfloat DepthBias, DepthScale;
+ GLint IndexShift, IndexOffset;
+ /*@}*/
+
+ /* Pixel Maps */
+ /* Note: actual pixel maps are not part of this attrib group */
+ GLboolean MapColorFlag;
+ GLboolean MapStencilFlag;
+
+ /*--- End Pixel Transfer State ---*/
+
+ /** glPixelZoom */
+ GLfloat ZoomX, ZoomY;
+};
+
+
+/**
+ * Point attribute group (GL_POINT_BIT).
+ */
+struct gl_point_attrib
+{
+ GLboolean SmoothFlag; /**< True if GL_POINT_SMOOTH is enabled */
+ GLfloat Size; /**< User-specified point size */
+ GLfloat Params[3]; /**< GL_EXT_point_parameters */
+ GLfloat MinSize, MaxSize; /**< GL_EXT_point_parameters */
+ GLfloat Threshold; /**< GL_EXT_point_parameters */
+ GLboolean _Attenuated; /**< True if Params != [1, 0, 0] */
+ GLboolean PointSprite; /**< GL_NV/ARB_point_sprite */
+ GLboolean CoordReplace[MAX_TEXTURE_COORD_UNITS]; /**< GL_ARB_point_sprite*/
+ GLenum SpriteRMode; /**< GL_NV_point_sprite (only!) */
+ GLenum SpriteOrigin; /**< GL_ARB_point_sprite */
+};
+
+
+/**
+ * Polygon attribute group (GL_POLYGON_BIT).
+ */
+struct gl_polygon_attrib
+{
+ GLenum FrontFace; /**< Either GL_CW or GL_CCW */
+ GLenum FrontMode; /**< Either GL_POINT, GL_LINE or GL_FILL */
+ GLenum BackMode; /**< Either GL_POINT, GL_LINE or GL_FILL */
+ GLboolean _FrontBit; /**< 0=GL_CCW, 1=GL_CW */
+ GLboolean CullFlag; /**< Culling on/off flag */
+ GLboolean SmoothFlag; /**< True if GL_POLYGON_SMOOTH is enabled */
+ GLboolean StippleFlag; /**< True if GL_POLYGON_STIPPLE is enabled */
+ GLenum CullFaceMode; /**< Culling mode GL_FRONT or GL_BACK */
+ GLfloat OffsetFactor; /**< Polygon offset factor, from user */
+ GLfloat OffsetUnits; /**< Polygon offset units, from user */
+ GLboolean OffsetPoint; /**< Offset in GL_POINT mode */
+ GLboolean OffsetLine; /**< Offset in GL_LINE mode */
+ GLboolean OffsetFill; /**< Offset in GL_FILL mode */
+};
+
+
+/**
+ * Scissor attributes (GL_SCISSOR_BIT).
+ */
+struct gl_scissor_attrib
+{
+ GLboolean Enabled; /**< Scissor test enabled? */
+ GLint X, Y; /**< Lower left corner of box */
+ GLsizei Width, Height; /**< Size of box */
+};
+
+
+/**
+ * Stencil attribute group (GL_STENCIL_BUFFER_BIT).
+ *
+ * Three sets of stencil data are tracked so that OpenGL 2.0,
+ * GL_EXT_stencil_two_side, and GL_ATI_separate_stencil can all be supported
+ * simultaneously. In each of the stencil state arrays, element 0 corresponds
+ * to GL_FRONT. Element 1 corresponds to the OpenGL 2.0 /
+ * GL_ATI_separate_stencil GL_BACK state. Element 2 corresponds to the
+ * GL_EXT_stencil_two_side GL_BACK state.
+ *
+ * The derived value \c _BackFace is either 1 or 2 depending on whether or
+ * not GL_STENCIL_TEST_TWO_SIDE_EXT is enabled.
+ *
+ * The derived value \c _TestTwoSide is set when the front-face and back-face
+ * stencil state are different.
+ */
+struct gl_stencil_attrib
+{
+ GLboolean Enabled; /**< Enabled flag */
+ GLboolean TestTwoSide; /**< GL_EXT_stencil_two_side */
+ GLubyte ActiveFace; /**< GL_EXT_stencil_two_side (0 or 2) */
+ GLboolean _Enabled; /**< Enabled and stencil buffer present */
+ GLboolean _TestTwoSide;
+ GLubyte _BackFace; /**< Current back stencil state (1 or 2) */
+ GLenum Function[3]; /**< Stencil function */
+ GLenum FailFunc[3]; /**< Fail function */
+ GLenum ZPassFunc[3]; /**< Depth buffer pass function */
+ GLenum ZFailFunc[3]; /**< Depth buffer fail function */
+ GLint Ref[3]; /**< Reference value */
+ GLuint ValueMask[3]; /**< Value mask */
+ GLuint WriteMask[3]; /**< Write mask */
+ GLuint Clear; /**< Clear value */
+};
+
+
+/**
+ * An index for each type of texture object. These correspond to the GL
+ * texture target enums, such as GL_TEXTURE_2D, GL_TEXTURE_CUBE_MAP, etc.
+ * Note: the order is from highest priority to lowest priority.
+ */
+typedef enum
+{
+ TEXTURE_2D_ARRAY_INDEX,
+ TEXTURE_1D_ARRAY_INDEX,
+ TEXTURE_CUBE_INDEX,
+ TEXTURE_3D_INDEX,
+ TEXTURE_RECT_INDEX,
+ TEXTURE_2D_INDEX,
+ TEXTURE_1D_INDEX,
+ NUM_TEXTURE_TARGETS
+} gl_texture_index;
+
+
+/**
+ * Bit flags for each type of texture object
+ * Used for Texture.Unit[]._ReallyEnabled flags.
+ */
+/*@{*/
+#define TEXTURE_2D_ARRAY_BIT (1 << TEXTURE_2D_ARRAY_INDEX)
+#define TEXTURE_1D_ARRAY_BIT (1 << TEXTURE_1D_ARRAY_INDEX)
+#define TEXTURE_CUBE_BIT (1 << TEXTURE_CUBE_INDEX)
+#define TEXTURE_3D_BIT (1 << TEXTURE_3D_INDEX)
+#define TEXTURE_RECT_BIT (1 << TEXTURE_RECT_INDEX)
+#define TEXTURE_2D_BIT (1 << TEXTURE_2D_INDEX)
+#define TEXTURE_1D_BIT (1 << TEXTURE_1D_INDEX)
+/*@}*/
+
+
+/**
+ * TexGenEnabled flags.
+ */
+/*@{*/
+#define S_BIT 1
+#define T_BIT 2
+#define R_BIT 4
+#define Q_BIT 8
+#define STR_BITS (S_BIT | T_BIT | R_BIT)
+/*@}*/
+
+
+/**
+ * Bit flag versions of the corresponding GL_ constants.
+ */
+/*@{*/
+#define TEXGEN_SPHERE_MAP 0x1
+#define TEXGEN_OBJ_LINEAR 0x2
+#define TEXGEN_EYE_LINEAR 0x4
+#define TEXGEN_REFLECTION_MAP_NV 0x8
+#define TEXGEN_NORMAL_MAP_NV 0x10
+
+#define TEXGEN_NEED_NORMALS (TEXGEN_SPHERE_MAP | \
+ TEXGEN_REFLECTION_MAP_NV | \
+ TEXGEN_NORMAL_MAP_NV)
+#define TEXGEN_NEED_EYE_COORD (TEXGEN_SPHERE_MAP | \
+ TEXGEN_REFLECTION_MAP_NV | \
+ TEXGEN_NORMAL_MAP_NV | \
+ TEXGEN_EYE_LINEAR)
+/*@}*/
+
+
+
+/** Tex-gen enabled for texture unit? */
+#define ENABLE_TEXGEN(unit) (1 << (unit))
+
+/** Non-identity texture matrix for texture unit? */
+#define ENABLE_TEXMAT(unit) (1 << (unit))
+
+
+/**
+ * Texel fetch function prototype. We use texel fetch functions to
+ * extract RGBA, color indexes and depth components out of 1D, 2D and 3D
+ * texture images. These functions help to isolate us from the gritty
+ * details of all the various texture image encodings.
+ *
+ * \param texImage texture image.
+ * \param col texel column.
+ * \param row texel row.
+ * \param img texel image level/layer.
+ * \param texelOut output texel (up to 4 GLchans)
+ */
+typedef void (*FetchTexelFuncC)( const struct gl_texture_image *texImage,
+ GLint col, GLint row, GLint img,
+ GLchan *texelOut );
+
+/**
+ * As above, but returns floats.
+ * Used for depth component images and for upcoming signed/float
+ * texture images.
+ */
+typedef void (*FetchTexelFuncF)( const struct gl_texture_image *texImage,
+ GLint col, GLint row, GLint img,
+ GLfloat *texelOut );
+
+
+typedef void (*StoreTexelFunc)(struct gl_texture_image *texImage,
+ GLint col, GLint row, GLint img,
+ const void *texel);
+
+
+/**
+ * Texture image state. Describes the dimensions of a texture image,
+ * the texel format and pointers to Texel Fetch functions.
+ */
+struct gl_texture_image
+{
+ GLint InternalFormat; /**< Internal format as given by the user */
+ GLenum _BaseFormat; /**< Either GL_RGB, GL_RGBA, GL_ALPHA,
+ * GL_LUMINANCE, GL_LUMINANCE_ALPHA,
+ * GL_INTENSITY, GL_COLOR_INDEX,
+ * GL_DEPTH_COMPONENT or GL_DEPTH_STENCIL_EXT
+ * only. Used for choosing TexEnv arithmetic.
+ */
+ gl_format TexFormat; /**< The actual texture memory format */
+
+ GLuint Border; /**< 0 or 1 */
+ GLuint Width; /**< = 2^WidthLog2 + 2*Border */
+ GLuint Height; /**< = 2^HeightLog2 + 2*Border */
+ GLuint Depth; /**< = 2^DepthLog2 + 2*Border */
+ GLuint Width2; /**< = Width - 2*Border */
+ GLuint Height2; /**< = Height - 2*Border */
+ GLuint Depth2; /**< = Depth - 2*Border */
+ GLuint WidthLog2; /**< = log2(Width2) */
+ GLuint HeightLog2; /**< = log2(Height2) */
+ GLuint DepthLog2; /**< = log2(Depth2) */
+ GLuint MaxLog2; /**< = MAX(WidthLog2, HeightLog2) */
+ GLfloat WidthScale; /**< used for mipmap LOD computation */
+ GLfloat HeightScale; /**< used for mipmap LOD computation */
+ GLfloat DepthScale; /**< used for mipmap LOD computation */
+ GLboolean IsClientData; /**< Data owned by client? */
+ GLboolean _IsPowerOfTwo; /**< Are all dimensions powers of two? */
+
+ struct gl_texture_object *TexObject; /**< Pointer back to parent object */
+
+ FetchTexelFuncC FetchTexelc; /**< GLchan texel fetch function pointer */
+ FetchTexelFuncF FetchTexelf; /**< Float texel fetch function pointer */
+
+ GLuint RowStride; /**< Padded width in units of texels */
+ GLuint *ImageOffsets; /**< if 3D texture: array [Depth] of offsets to
+ each 2D slice in 'Data', in texels */
+ GLvoid *Data; /**< Image data, accessed via FetchTexel() */
+
+ /**
+ * \name For device driver:
+ */
+ /*@{*/
+ void *DriverData; /**< Arbitrary device driver data */
+ /*@}*/
+};
+
+
+/**
+ * Indexes for cube map faces.
+ */
+typedef enum
+{
+ FACE_POS_X = 0,
+ FACE_NEG_X = 1,
+ FACE_POS_Y = 2,
+ FACE_NEG_Y = 3,
+ FACE_POS_Z = 4,
+ FACE_NEG_Z = 5,
+ MAX_FACES = 6
+} gl_face_index;
+
+
+/**
+ * Texture object state. Contains the array of mipmap images, border color,
+ * wrap modes, filter modes, shadow/texcompare state, and the per-texture
+ * color palette.
+ */
+struct gl_texture_object
+{
+ _glthread_Mutex Mutex; /**< for thread safety */
+ GLint RefCount; /**< reference count */
+ GLuint Name; /**< the user-visible texture object ID */
+ GLenum Target; /**< GL_TEXTURE_1D, GL_TEXTURE_2D, etc. */
+ GLfloat Priority; /**< in [0,1] */
+ union {
+ GLfloat f[4];
+ GLuint ui[4];
+ GLint i[4];
+ } BorderColor; /**< Interpreted according to texture format */
+ GLenum WrapS; /**< S-axis texture image wrap mode */
+ GLenum WrapT; /**< T-axis texture image wrap mode */
+ GLenum WrapR; /**< R-axis texture image wrap mode */
+ GLenum MinFilter; /**< minification filter */
+ GLenum MagFilter; /**< magnification filter */
+ GLfloat MinLod; /**< min lambda, OpenGL 1.2 */
+ GLfloat MaxLod; /**< max lambda, OpenGL 1.2 */
+ GLfloat LodBias; /**< OpenGL 1.4 */
+ GLint BaseLevel; /**< min mipmap level, OpenGL 1.2 */
+ GLint MaxLevel; /**< max mipmap level, OpenGL 1.2 */
+ GLfloat MaxAnisotropy; /**< GL_EXT_texture_filter_anisotropic */
+ GLenum CompareMode; /**< GL_ARB_shadow */
+ GLenum CompareFunc; /**< GL_ARB_shadow */
+ GLfloat CompareFailValue; /**< GL_ARB_shadow_ambient */
+ GLenum DepthMode; /**< GL_ARB_depth_texture */
+ GLint _MaxLevel; /**< actual max mipmap level (q in the spec) */
+ GLfloat _MaxLambda; /**< = _MaxLevel - BaseLevel (q - b in spec) */
+ GLint CropRect[4]; /**< GL_OES_draw_texture */
+ GLenum Swizzle[4]; /**< GL_EXT_texture_swizzle */
+ GLuint _Swizzle; /**< same as Swizzle, but SWIZZLE_* format */
+ GLboolean GenerateMipmap; /**< GL_SGIS_generate_mipmap */
+ GLboolean _Complete; /**< Is texture object complete? */
+ GLboolean _RenderToTexture; /**< Any rendering to this texture? */
+ GLboolean Purgeable; /**< Is the buffer purgeable under memory pressure? */
+ GLenum sRGBDecode; /**< GL_DECODE_EXT or GL_SKIP_DECODE_EXT */
+
+ /** Actual texture images, indexed by [cube face] and [mipmap level] */
+ struct gl_texture_image *Image[MAX_FACES][MAX_TEXTURE_LEVELS];
+
+ /** GL_EXT_paletted_texture */
+ struct gl_color_table Palette;
+
+ /**
+ * \name For device driver.
+ * Note: instead of attaching driver data to this pointer, it's preferable
+ * to instead use this struct as a base class for your own texture object
+ * class. Driver->NewTextureObject() can be used to implement the
+ * allocation.
+ */
+ void *DriverData; /**< Arbitrary device driver data */
+};
+
+
+/** Up to four combiner sources are possible with GL_NV_texture_env_combine4 */
+#define MAX_COMBINER_TERMS 4
+
+
+/**
+ * Texture combine environment state.
+ */
+struct gl_tex_env_combine_state
+{
+ GLenum ModeRGB; /**< GL_REPLACE, GL_DECAL, GL_ADD, etc. */
+ GLenum ModeA; /**< GL_REPLACE, GL_DECAL, GL_ADD, etc. */
+ /** Source terms: GL_PRIMARY_COLOR, GL_TEXTURE, etc */
+ GLenum SourceRGB[MAX_COMBINER_TERMS];
+ GLenum SourceA[MAX_COMBINER_TERMS];
+ /** Source operands: GL_SRC_COLOR, GL_ONE_MINUS_SRC_COLOR, etc */
+ GLenum OperandRGB[MAX_COMBINER_TERMS];
+ GLenum OperandA[MAX_COMBINER_TERMS];
+ GLuint ScaleShiftRGB; /**< 0, 1 or 2 */
+ GLuint ScaleShiftA; /**< 0, 1 or 2 */
+ GLuint _NumArgsRGB; /**< Number of inputs used for the RGB combiner */
+ GLuint _NumArgsA; /**< Number of inputs used for the A combiner */
+};
+
+
+/**
+ * Texture coord generation state.
+ */
+struct gl_texgen
+{
+ GLenum Mode; /**< GL_EYE_LINEAR, GL_SPHERE_MAP, etc */
+ GLbitfield _ModeBit; /**< TEXGEN_x bit corresponding to Mode */
+ GLfloat ObjectPlane[4];
+ GLfloat EyePlane[4];
+};
+
+
+/**
+ * Texture unit state. Contains enable flags, texture environment/function/
+ * combiners, texgen state, pointers to current texture objects and
+ * post-filter color tables.
+ */
+struct gl_texture_unit
+{
+ GLbitfield Enabled; /**< bitmask of TEXTURE_*_BIT flags */
+ GLbitfield _ReallyEnabled; /**< 0 or exactly one of TEXTURE_*_BIT flags */
+
+ GLenum EnvMode; /**< GL_MODULATE, GL_DECAL, GL_BLEND, etc. */
+ GLfloat EnvColor[4];
+
+ struct gl_texgen GenS;
+ struct gl_texgen GenT;
+ struct gl_texgen GenR;
+ struct gl_texgen GenQ;
+ GLbitfield TexGenEnabled; /**< Bitwise-OR of [STRQ]_BIT values */
+ GLbitfield _GenFlags; /**< Bitwise-OR of Gen[STRQ]._ModeBit */
+
+ GLfloat LodBias; /**< for biasing mipmap levels */
+ GLenum BumpTarget;
+ GLfloat RotMatrix[4]; /* 2x2 matrix */
+
+ /**
+ * \name GL_EXT_texture_env_combine
+ */
+ struct gl_tex_env_combine_state Combine;
+
+ /**
+ * Derived state based on \c EnvMode and the \c BaseFormat of the
+ * currently enabled texture.
+ */
+ struct gl_tex_env_combine_state _EnvMode;
+
+ /**
+ * Currently enabled combiner state. This will point to either
+ * \c Combine or \c _EnvMode.
+ */
+ struct gl_tex_env_combine_state *_CurrentCombine;
+
+ /** Current texture object pointers */
+ struct gl_texture_object *CurrentTex[NUM_TEXTURE_TARGETS];
+
+ /** Points to highest priority, complete and enabled texture object */
+ struct gl_texture_object *_Current;
+};
+
+
+/**
+ * Texture attribute group (GL_TEXTURE_BIT).
+ */
+struct gl_texture_attrib
+{
+ GLuint CurrentUnit; /**< GL_ACTIVE_TEXTURE */
+ struct gl_texture_unit Unit[MAX_COMBINED_TEXTURE_IMAGE_UNITS];
+
+ struct gl_texture_object *ProxyTex[NUM_TEXTURE_TARGETS];
+
+ /** GL_ARB_seamless_cubemap */
+ GLboolean CubeMapSeamless;
+
+ /** GL_EXT_shared_texture_palette */
+ GLboolean SharedPalette;
+ struct gl_color_table Palette;
+
+ /** Texture units/samplers used by vertex or fragment texturing */
+ GLbitfield _EnabledUnits;
+
+ /** Texture coord units/sets used for fragment texturing */
+ GLbitfield _EnabledCoordUnits;
+
+ /** Texture coord units that have texgen enabled */
+ GLbitfield _TexGenEnabled;
+
+ /** Texture coord units that have non-identity matrices */
+ GLbitfield _TexMatEnabled;
+
+ /** Bitwise-OR of all Texture.Unit[i]._GenFlags */
+ GLbitfield _GenFlags;
+};
+
+
+/**
+ * Transformation attribute group (GL_TRANSFORM_BIT).
+ */
+struct gl_transform_attrib
+{
+ GLenum MatrixMode; /**< Matrix mode */
+ GLfloat EyeUserPlane[MAX_CLIP_PLANES][4]; /**< User clip planes */
+ GLfloat _ClipUserPlane[MAX_CLIP_PLANES][4]; /**< derived */
+ GLbitfield ClipPlanesEnabled; /**< on/off bitmask */
+ GLboolean Normalize; /**< Normalize all normals? */
+ GLboolean RescaleNormals; /**< GL_EXT_rescale_normal */
+ GLboolean RasterPositionUnclipped; /**< GL_IBM_rasterpos_clip */
+ GLboolean DepthClamp; /**< GL_ARB_depth_clamp */
+
+ GLfloat CullEyePos[4];
+ GLfloat CullObjPos[4];
+};
+
+
+/**
+ * Viewport attribute group (GL_VIEWPORT_BIT).
+ */
+struct gl_viewport_attrib
+{
+ GLint X, Y; /**< position */
+ GLsizei Width, Height; /**< size */
+ GLfloat Near, Far; /**< Depth buffer range */
+ GLmatrix _WindowMap; /**< Mapping transformation as a matrix. */
+};
+
+
+/**
+ * GL_ARB_vertex/pixel_buffer_object buffer object
+ */
+struct gl_buffer_object
+{
+ _glthread_Mutex Mutex;
+ GLint RefCount;
+ GLuint Name;
+ GLenum Usage; /**< GL_STREAM_DRAW_ARB, GL_STREAM_READ_ARB, etc. */
+ GLsizeiptrARB Size; /**< Size of buffer storage in bytes */
+ GLubyte *Data; /**< Location of storage either in RAM or VRAM. */
+ /** Fields describing a mapped buffer */
+ /*@{*/
+ GLbitfield AccessFlags; /**< Mask of GL_MAP_x_BIT flags */
+ GLvoid *Pointer; /**< User-space address of mapping */
+ GLintptr Offset; /**< Mapped offset */
+ GLsizeiptr Length; /**< Mapped length */
+ /*@}*/
+ GLboolean Written; /**< Ever written to? (for debugging) */
+ GLboolean Purgeable; /**< Is the buffer purgeable under memory pressure? */
+};
+
+
+/**
+ * Client pixel packing/unpacking attributes
+ */
+struct gl_pixelstore_attrib
+{
+ GLint Alignment;
+ GLint RowLength;
+ GLint SkipPixels;
+ GLint SkipRows;
+ GLint ImageHeight;
+ GLint SkipImages;
+ GLboolean SwapBytes;
+ GLboolean LsbFirst;
+ GLboolean ClientStorage; /**< GL_APPLE_client_storage */
+ GLboolean Invert; /**< GL_MESA_pack_invert */
+ struct gl_buffer_object *BufferObj; /**< GL_ARB_pixel_buffer_object */
+};
+
+
+/**
+ * Client vertex array attributes
+ */
+struct gl_client_array
+{
+ GLint Size; /**< components per element (1,2,3,4) */
+ GLenum Type; /**< datatype: GL_FLOAT, GL_INT, etc */
+ GLenum Format; /**< default: GL_RGBA, but may be GL_BGRA */
+ GLsizei Stride; /**< user-specified stride */
+ GLsizei StrideB; /**< actual stride in bytes */
+ const GLubyte *Ptr; /**< Points to array data */
+ GLboolean Enabled; /**< Enabled flag is a boolean */
+ GLboolean Normalized; /**< GL_ARB_vertex_program */
+ GLboolean Integer; /**< Integer-valued? */
+ GLuint InstanceDivisor; /**< GL_ARB_instanced_arrays */
+ GLuint _ElementSize; /**< size of each element in bytes */
+
+ struct gl_buffer_object *BufferObj;/**< GL_ARB_vertex_buffer_object */
+ GLuint _MaxElement; /**< max element index into array buffer + 1 */
+};
+
+
+/**
+ * Collection of vertex arrays. Defined by the GL_APPLE_vertex_array_object
+ * extension, but a nice encapsulation in any case.
+ */
+struct gl_array_object
+{
+ /** Name of the array object as received from glGenVertexArrayAPPLE. */
+ GLuint Name;
+
+ GLint RefCount;
+ _glthread_Mutex Mutex;
+ GLboolean VBOonly; /**< require all arrays to live in VBOs? */
+
+ /** Conventional vertex arrays */
+ /*@{*/
+ struct gl_client_array Vertex;
+ struct gl_client_array Weight;
+ struct gl_client_array Normal;
+ struct gl_client_array Color;
+ struct gl_client_array SecondaryColor;
+ struct gl_client_array FogCoord;
+ struct gl_client_array Index;
+ struct gl_client_array EdgeFlag;
+ struct gl_client_array TexCoord[MAX_TEXTURE_COORD_UNITS];
+ struct gl_client_array PointSize;
+ /*@}*/
+
+ /**
+ * Generic arrays for vertex programs/shaders.
+ * For NV vertex programs, these attributes alias and take priority
+ * over the conventional attribs above. For ARB vertex programs and
+ * GLSL vertex shaders, these attributes are separate.
+ */
+ struct gl_client_array VertexAttrib[MAX_VERTEX_GENERIC_ATTRIBS];
+
+ /** Mask of _NEW_ARRAY_* values indicating which arrays are enabled */
+ GLbitfield _Enabled;
+
+ /**
+ * Min of all enabled arrays' _MaxElement. When arrays reside inside VBOs
+ * we can determine the max legal (in bounds) glDrawElements array index.
+ */
+ GLuint _MaxElement;
+};
+
+
+/**
+ * Vertex array state
+ */
+struct gl_array_attrib
+{
+ /** Currently bound array object. See _mesa_BindVertexArrayAPPLE() */
+ struct gl_array_object *ArrayObj;
+
+ /** The default vertex array object */
+ struct gl_array_object *DefaultArrayObj;
+
+ /** Array objects (GL_ARB/APPLE_vertex_array_object) */
+ struct _mesa_HashTable *Objects;
+
+ GLint ActiveTexture; /**< Client Active Texture */
+ GLuint LockFirst; /**< GL_EXT_compiled_vertex_array */
+ GLuint LockCount; /**< GL_EXT_compiled_vertex_array */
+
+ /** GL 3.1 (slightly different from GL_NV_primitive_restart) */
+ GLboolean PrimitiveRestart;
+ GLuint RestartIndex;
+
+ GLbitfield NewState; /**< mask of _NEW_ARRAY_* values */
+ GLboolean RebindArrays; /**< whether the VBO module should rebind arrays */
+
+ /* GL_ARB_vertex_buffer_object */
+ struct gl_buffer_object *ArrayBufferObj;
+ struct gl_buffer_object *ElementArrayBufferObj;
+};
+
+
+/**
+ * Feedback buffer state
+ */
+struct gl_feedback
+{
+ GLenum Type;
+ GLbitfield _Mask; /**< FB_* bits */
+ GLfloat *Buffer;
+ GLuint BufferSize;
+ GLuint Count;
+};
+
+
+/**
+ * Selection buffer state
+ */
+struct gl_selection
+{
+ GLuint *Buffer; /**< selection buffer */
+ GLuint BufferSize; /**< size of the selection buffer */
+ GLuint BufferCount; /**< number of values in the selection buffer */
+ GLuint Hits; /**< number of records in the selection buffer */
+ GLuint NameStackDepth; /**< name stack depth */
+ GLuint NameStack[MAX_NAME_STACK_DEPTH]; /**< name stack */
+ GLboolean HitFlag; /**< hit flag */
+ GLfloat HitMinZ; /**< minimum hit depth */
+ GLfloat HitMaxZ; /**< maximum hit depth */
+};
+
+
+/**
+ * 1-D Evaluator control points
+ */
+struct gl_1d_map
+{
+ GLuint Order; /**< Number of control points */
+ GLfloat u1, u2, du; /**< u1, u2, 1.0/(u2-u1) */
+ GLfloat *Points; /**< Points to contiguous control points */
+};
+
+
+/**
+ * 2-D Evaluator control points
+ */
+struct gl_2d_map
+{
+ GLuint Uorder; /**< Number of control points in U dimension */
+ GLuint Vorder; /**< Number of control points in V dimension */
+ GLfloat u1, u2, du;
+ GLfloat v1, v2, dv;
+ GLfloat *Points; /**< Points to contiguous control points */
+};
+
+
+/**
+ * All evaluator control point state
+ */
+struct gl_evaluators
+{
+ /**
+ * \name 1-D maps
+ */
+ /*@{*/
+ struct gl_1d_map Map1Vertex3;
+ struct gl_1d_map Map1Vertex4;
+ struct gl_1d_map Map1Index;
+ struct gl_1d_map Map1Color4;
+ struct gl_1d_map Map1Normal;
+ struct gl_1d_map Map1Texture1;
+ struct gl_1d_map Map1Texture2;
+ struct gl_1d_map Map1Texture3;
+ struct gl_1d_map Map1Texture4;
+ struct gl_1d_map Map1Attrib[16]; /**< GL_NV_vertex_program */
+ /*@}*/
+
+ /**
+ * \name 2-D maps
+ */
+ /*@{*/
+ struct gl_2d_map Map2Vertex3;
+ struct gl_2d_map Map2Vertex4;
+ struct gl_2d_map Map2Index;
+ struct gl_2d_map Map2Color4;
+ struct gl_2d_map Map2Normal;
+ struct gl_2d_map Map2Texture1;
+ struct gl_2d_map Map2Texture2;
+ struct gl_2d_map Map2Texture3;
+ struct gl_2d_map Map2Texture4;
+ struct gl_2d_map Map2Attrib[16]; /**< GL_NV_vertex_program */
+ /*@}*/
+};
+
+
+/**
+ * Names of the various vertex/fragment program register files, etc.
+ *
+ * NOTE: first four tokens must fit into 2 bits (see t_vb_arbprogram.c)
+ * All values should fit in a 4-bit field.
+ *
+ * NOTE: PROGRAM_ENV_PARAM, PROGRAM_STATE_VAR, PROGRAM_NAMED_PARAM,
+ * PROGRAM_CONSTANT, and PROGRAM_UNIFORM can all be considered to
+ * be "uniform" variables since they can only be set outside glBegin/End.
+ * They're also all stored in the same Parameters array.
+ */
+typedef enum
+{
+ PROGRAM_TEMPORARY, /**< machine->Temporary[] */
+ PROGRAM_INPUT, /**< machine->Inputs[] */
+ PROGRAM_OUTPUT, /**< machine->Outputs[] */
+ PROGRAM_VARYING, /**< machine->Inputs[]/Outputs[] */
+ PROGRAM_LOCAL_PARAM, /**< gl_program->LocalParams[] */
+ PROGRAM_ENV_PARAM, /**< gl_program->Parameters[] */
+ PROGRAM_STATE_VAR, /**< gl_program->Parameters[] */
+ PROGRAM_NAMED_PARAM, /**< gl_program->Parameters[] */
+ PROGRAM_CONSTANT, /**< gl_program->Parameters[] */
+ PROGRAM_UNIFORM, /**< gl_program->Parameters[] */
+ PROGRAM_WRITE_ONLY, /**< A dummy, write-only register */
+ PROGRAM_ADDRESS, /**< machine->AddressReg */
+ PROGRAM_SAMPLER, /**< for shader samplers, compile-time only */
+ PROGRAM_SYSTEM_VALUE,/**< InstanceId, PrimitiveID, etc. */
+ PROGRAM_UNDEFINED, /**< Invalid/TBD value */
+ PROGRAM_FILE_MAX
+} gl_register_file;
+
+
+/**
+ * If the register file is PROGRAM_SYSTEM_VALUE, the register index will be
+ * one of these values.
+ */
+typedef enum
+{
+ SYSTEM_VALUE_FRONT_FACE, /**< Fragment shader only (not done yet) */
+ SYSTEM_VALUE_INSTANCE_ID, /**< Vertex shader only */
+ SYSTEM_VALUE_MAX /**< Number of values */
+} gl_system_value;
+
+
+/** Vertex and fragment instructions */
+struct prog_instruction;
+struct gl_program_parameter_list;
+struct gl_uniform_list;
+
+
+/**
+ * Base class for any kind of program object
+ */
+struct gl_program
+{
+ GLuint Id;
+ GLubyte *String; /**< Null-terminated program text */
+ GLint RefCount;
+ GLenum Target; /**< GL_VERTEX/FRAGMENT_PROGRAM_ARB, GL_FRAGMENT_PROGRAM_NV */
+ GLenum Format; /**< String encoding format */
+ GLboolean Resident;
+
+ struct prog_instruction *Instructions;
+
+ GLbitfield InputsRead; /**< Bitmask of which input regs are read */
+ GLbitfield64 OutputsWritten; /**< Bitmask of which output regs are written */
+ GLbitfield SystemValuesRead; /**< Bitmask of SYSTEM_VALUE_x inputs used */
+ GLbitfield InputFlags[MAX_PROGRAM_INPUTS]; /**< PROG_PARAM_BIT_x flags */
+ GLbitfield OutputFlags[MAX_PROGRAM_OUTPUTS]; /**< PROG_PARAM_BIT_x flags */
+ GLbitfield TexturesUsed[MAX_TEXTURE_UNITS]; /**< TEXTURE_x_BIT bitmask */
+ GLbitfield SamplersUsed; /**< Bitfield of which samplers are used */
+ GLbitfield ShadowSamplers; /**< Texture units used for shadow sampling. */
+
+
+ /** Named parameters, constants, etc. from program text */
+ struct gl_program_parameter_list *Parameters;
+ /** Numbered local parameters */
+ GLfloat LocalParams[MAX_PROGRAM_LOCAL_PARAMS][4];
+
+ /** Vertex/fragment shader varying vars */
+ struct gl_program_parameter_list *Varying;
+ /** Vertex program user-defined attributes */
+ struct gl_program_parameter_list *Attributes;
+
+ /** Map from sampler unit to texture unit (set by glUniform1i()) */
+ GLubyte SamplerUnits[MAX_SAMPLERS];
+ /** Which texture target is being sampled (TEXTURE_1D/2D/3D/etc_INDEX) */
+ gl_texture_index SamplerTargets[MAX_SAMPLERS];
+
+ /** Bitmask of which register files are read/written with indirect
+ * addressing. Mask of (1 << PROGRAM_x) bits.
+ */
+ GLbitfield IndirectRegisterFiles;
+
+ /** Logical counts */
+ /*@{*/
+ GLuint NumInstructions;
+ GLuint NumTemporaries;
+ GLuint NumParameters;
+ GLuint NumAttributes;
+ GLuint NumAddressRegs;
+ GLuint NumAluInstructions;
+ GLuint NumTexInstructions;
+ GLuint NumTexIndirections;
+ /*@}*/
+ /** Native, actual h/w counts */
+ /*@{*/
+ GLuint NumNativeInstructions;
+ GLuint NumNativeTemporaries;
+ GLuint NumNativeParameters;
+ GLuint NumNativeAttributes;
+ GLuint NumNativeAddressRegs;
+ GLuint NumNativeAluInstructions;
+ GLuint NumNativeTexInstructions;
+ GLuint NumNativeTexIndirections;
+ /*@}*/
+};
+
+
+/** Vertex program object */
+struct gl_vertex_program
+{
+ struct gl_program Base; /**< base class */
+ GLboolean IsNVProgram; /**< is this a GL_NV_vertex_program program? */
+ GLboolean IsPositionInvariant;
+};
+
+
+/** Geometry program object */
+struct gl_geometry_program
+{
+ struct gl_program Base; /**< base class */
+
+ GLint VerticesOut;
+ GLenum InputType; /**< GL_POINTS, GL_LINES, GL_LINES_ADJACENCY_ARB,
+ GL_TRIANGLES, or GL_TRIANGLES_ADJACENCY_ARB */
+ GLenum OutputType; /**< GL_POINTS, GL_LINE_STRIP or GL_TRIANGLE_STRIP */
+};
+
+
+/** Fragment program object */
+struct gl_fragment_program
+{
+ struct gl_program Base; /**< base class */
+ GLenum FogOption;
+ GLboolean UsesKill; /**< shader uses KIL instruction */
+ GLboolean OriginUpperLeft;
+ GLboolean PixelCenterInteger;
+ enum gl_frag_depth_layout FragDepthLayout;
+};
+
+
+/**
+ * State common to vertex and fragment programs.
+ */
+struct gl_program_state
+{
+ GLint ErrorPos; /* GL_PROGRAM_ERROR_POSITION_ARB/NV */
+ const char *ErrorString; /* GL_PROGRAM_ERROR_STRING_ARB/NV */
+};
+
+
+/**
+ * Context state for vertex programs.
+ */
+struct gl_vertex_program_state
+{
+ GLboolean Enabled; /**< User-set GL_VERTEX_PROGRAM_ARB/NV flag */
+ GLboolean _Enabled; /**< Enabled and _valid_ user program? */
+ GLboolean PointSizeEnabled; /**< GL_VERTEX_PROGRAM_POINT_SIZE_ARB/NV */
+ GLboolean TwoSideEnabled; /**< GL_VERTEX_PROGRAM_TWO_SIDE_ARB/NV */
+ struct gl_vertex_program *Current; /**< User-bound vertex program */
+
+ /** Currently enabled and valid vertex program (including internal
+ * programs, user-defined vertex programs and GLSL vertex shaders).
+ * This is the program we must use when rendering.
+ */
+ struct gl_vertex_program *_Current;
+
+ GLfloat Parameters[MAX_PROGRAM_ENV_PARAMS][4]; /**< Env params */
+
+ /* For GL_NV_vertex_program only: */
+ GLenum TrackMatrix[MAX_PROGRAM_ENV_PARAMS / 4];
+ GLenum TrackMatrixTransform[MAX_PROGRAM_ENV_PARAMS / 4];
+
+ /** Should fixed-function T&L be implemented with a vertex prog? */
+ GLboolean _MaintainTnlProgram;
+
+ /** Program to emulate fixed-function T&L (see above) */
+ struct gl_vertex_program *_TnlProgram;
+
+ /** Cache of fixed-function programs */
+ struct gl_program_cache *Cache;
+
+ GLboolean _Overriden;
+};
+
+
+/**
+ * Context state for geometry programs.
+ */
+struct gl_geometry_program_state
+{
+ GLboolean Enabled; /**< GL_ARB_GEOMETRY_SHADER4 */
+ GLboolean _Enabled; /**< Enabled and valid program? */
+ struct gl_geometry_program *Current; /**< user-bound geometry program */
+
+ /** Currently enabled and valid program (including internal programs
+ * and compiled shader programs).
+ */
+ struct gl_geometry_program *_Current;
+
+ GLfloat Parameters[MAX_PROGRAM_ENV_PARAMS][4]; /**< Env params */
+
+ /** Cache of fixed-function programs */
+ struct gl_program_cache *Cache;
+};
+
+/**
+ * Context state for fragment programs.
+ */
+struct gl_fragment_program_state
+{
+ GLboolean Enabled; /**< User-set fragment program enable flag */
+ GLboolean _Enabled; /**< Enabled and _valid_ user program? */
+ struct gl_fragment_program *Current; /**< User-bound fragment program */
+
+ /** Currently enabled and valid fragment program (including internal
+ * programs, user-defined fragment programs and GLSL fragment shaders).
+ * This is the program we must use when rendering.
+ */
+ struct gl_fragment_program *_Current;
+
+ GLfloat Parameters[MAX_PROGRAM_ENV_PARAMS][4]; /**< Env params */
+
+ /** Should fixed-function texturing be implemented with a fragment prog? */
+ GLboolean _MaintainTexEnvProgram;
+
+ /** Program to emulate fixed-function texture env/combine (see above) */
+ struct gl_fragment_program *_TexEnvProgram;
+
+ /** Cache of fixed-function programs */
+ struct gl_program_cache *Cache;
+};
+
+
+/**
+ * ATI_fragment_shader runtime state
+ */
+#define ATI_FS_INPUT_PRIMARY 0
+#define ATI_FS_INPUT_SECONDARY 1
+
+struct atifs_instruction;
+struct atifs_setupinst;
+
+/**
+ * ATI fragment shader
+ */
+struct ati_fragment_shader
+{
+ GLuint Id;
+ GLint RefCount;
+ struct atifs_instruction *Instructions[2];
+ struct atifs_setupinst *SetupInst[2];
+ GLfloat Constants[8][4];
+ GLbitfield LocalConstDef; /**< Indicates which constants have been set */
+ GLubyte numArithInstr[2];
+ GLubyte regsAssigned[2];
+ GLubyte NumPasses; /**< 1 or 2 */
+ GLubyte cur_pass;
+ GLubyte last_optype;
+ GLboolean interpinp1;
+ GLboolean isValid;
+ GLuint swizzlerq;
+};
+
+/**
+ * Context state for GL_ATI_fragment_shader
+ */
+struct gl_ati_fragment_shader_state
+{
+ GLboolean Enabled;
+ GLboolean _Enabled; /**< enabled and valid shader? */
+ GLboolean Compiling;
+ GLfloat GlobalConstants[8][4];
+ struct ati_fragment_shader *Current;
+};
+
+
+/**
+ * Occlusion/timer query object.
+ */
+struct gl_query_object
+{
+ GLenum Target; /**< The query target, when active */
+ GLuint Id; /**< hash table ID/name */
+ GLuint64EXT Result; /**< the counter */
+ GLboolean Active; /**< inside Begin/EndQuery */
+ GLboolean Ready; /**< result is ready? */
+};
+
+
+/**
+ * Context state for query objects.
+ */
+struct gl_query_state
+{
+ struct _mesa_HashTable *QueryObjects;
+ struct gl_query_object *CurrentOcclusionObject; /* GL_ARB_occlusion_query */
+ struct gl_query_object *CurrentTimerObject; /* GL_EXT_timer_query */
+
+ /** GL_NV_conditional_render */
+ struct gl_query_object *CondRenderQuery;
+
+ /** GL_EXT_transform_feedback */
+ struct gl_query_object *PrimitivesGenerated;
+ struct gl_query_object *PrimitivesWritten;
+
+ /** GL_ARB_timer_query */
+ struct gl_query_object *TimeElapsed;
+
+ GLenum CondRenderMode;
+};
+
+
+/** Sync object state */
+struct gl_sync_object {
+ struct simple_node link;
+ GLenum Type; /**< GL_SYNC_FENCE */
+ GLuint Name; /**< Fence name */
+ GLint RefCount; /**< Reference count */
+ GLboolean DeletePending; /**< Object was deleted while there were still
+ * live references (e.g., sync not yet finished)
+ */
+ GLenum SyncCondition;
+ GLbitfield Flags; /**< Flags passed to glFenceSync */
+ GLuint StatusFlag:1; /**< Has the sync object been signaled? */
+};
+
+
+/** Set by #pragma directives */
+struct gl_sl_pragmas
+{
+ GLboolean IgnoreOptimize; /**< ignore #pragma optimize(on/off) ? */
+ GLboolean IgnoreDebug; /**< ignore #pragma debug(on/off) ? */
+ GLboolean Optimize; /**< defaults on */
+ GLboolean Debug; /**< defaults off */
+};
+
+
+/**
+ * A GLSL vertex or fragment shader object.
+ */
+struct gl_shader
+{
+ GLenum Type; /**< GL_FRAGMENT_SHADER || GL_VERTEX_SHADER || GL_GEOMETRY_SHADER_ARB (first field!) */
+ GLuint Name; /**< AKA the handle */
+ GLint RefCount; /**< Reference count */
+ GLboolean DeletePending;
+ GLboolean CompileStatus;
+ const GLchar *Source; /**< Source code string */
+ GLuint SourceChecksum; /**< for debug/logging purposes */
+ struct gl_program *Program; /**< Post-compile assembly code */
+ GLchar *InfoLog;
+ struct gl_sl_pragmas Pragmas;
+
+ unsigned Version; /**< GLSL version used for linking */
+
+ struct exec_list *ir;
+ struct glsl_symbol_table *symbols;
+
+ /** Shaders containing built-in functions that are used for linking. */
+ struct gl_shader *builtins_to_link[16];
+ unsigned num_builtins_to_link;
+};
+
+
+/**
+ * A GLSL program object.
+ * Basically a linked collection of vertex and fragment shaders.
+ */
+struct gl_shader_program
+{
+ GLenum Type; /**< Always GL_SHADER_PROGRAM (internal token) */
+ GLuint Name; /**< aka handle or ID */
+ GLint RefCount; /**< Reference count */
+ GLboolean DeletePending;
+
+ GLuint NumShaders; /**< number of attached shaders */
+ struct gl_shader **Shaders; /**< List of attached the shaders */
+
+ /** User-defined attribute bindings (glBindAttribLocation) */
+ struct gl_program_parameter_list *Attributes;
+
+ /** Transform feedback varyings */
+ struct {
+ GLenum BufferMode;
+ GLuint NumVarying;
+ GLchar **VaryingNames; /**< Array [NumVarying] of char * */
+ } TransformFeedback;
+
+ /** Geometry shader state - copied into gl_geometry_program at link time */
+ struct {
+ GLint VerticesOut;
+ GLenum InputType; /**< GL_POINTS, GL_LINES, GL_LINES_ADJACENCY_ARB,
+ GL_TRIANGLES, or GL_TRIANGLES_ADJACENCY_ARB */
+ GLenum OutputType; /**< GL_POINTS, GL_LINE_STRIP or GL_TRIANGLE_STRIP */
+ } Geom;
+
+ /* post-link info: */
+ struct gl_vertex_program *VertexProgram; /**< Linked vertex program */
+ struct gl_fragment_program *FragmentProgram; /**< Linked fragment prog */
+ struct gl_geometry_program *GeometryProgram; /**< Linked geometry prog */
+ struct gl_uniform_list *Uniforms;
+ struct gl_program_parameter_list *Varying;
+ GLboolean LinkStatus; /**< GL_LINK_STATUS */
+ GLboolean Validated;
+ GLboolean _Used; /**< Ever used for drawing? */
+ GLchar *InfoLog;
+
+ unsigned Version; /**< GLSL version used for linking */
+
+ /**
+ * Per-stage shaders resulting from the first stage of linking.
+ *
+ * Set of linked shaders for this program. The array is accessed using the
+ * \c MESA_SHADER_* defines. Entries for non-existent stages will be
+ * \c NULL.
+ */
+ struct gl_shader *_LinkedShaders[MESA_SHADER_TYPES];
+};
+
+
+#define GLSL_DUMP 0x1 /**< Dump shaders to stdout */
+#define GLSL_LOG 0x2 /**< Write shaders to files */
+#define GLSL_OPT 0x4 /**< Force optimizations (override pragmas) */
+#define GLSL_NO_OPT 0x8 /**< Force no optimizations (override pragmas) */
+#define GLSL_UNIFORMS 0x10 /**< Print glUniform calls */
+#define GLSL_NOP_VERT 0x20 /**< Force no-op vertex shaders */
+#define GLSL_NOP_FRAG 0x40 /**< Force no-op fragment shaders */
+#define GLSL_USE_PROG 0x80 /**< Log glUseProgram calls */
+
+
+/**
+ * Context state for GLSL vertex/fragment shaders.
+ */
+struct gl_shader_state
+{
+ /**
+ * Programs used for rendering
+ *
+ * There is a separate program set for each shader stage. If
+ * GL_EXT_separate_shader_objects is not supported, each of these must point
+ * to \c NULL or to the same program.
+ */
+ struct gl_shader_program *CurrentVertexProgram;
+ struct gl_shader_program *CurrentGeometryProgram;
+ struct gl_shader_program *CurrentFragmentProgram;
+
+ /**
+ * Program used by glUniform calls.
+ *
+ * Explicitly set by \c glUseProgram and \c glActiveProgramEXT.
+ */
+ struct gl_shader_program *ActiveProgram;
+
+ void *MemPool;
+
+ GLbitfield Flags; /**< Mask of GLSL_x flags */
+};
+
+/**
+ * Compiler options for a single GLSL shaders type
+ */
+struct gl_shader_compiler_options
+{
+ /** Driver-selectable options: */
+ GLboolean EmitCondCodes; /**< Use condition codes? */
+ GLboolean EmitNVTempInitialization; /**< 0-fill NV temp registers */
+ /**
+ * Attempts to flatten all ir_if (OPCODE_IF) for GPUs that can't
+ * support control flow.
+ */
+ GLboolean EmitNoIfs;
+ GLboolean EmitNoLoops;
+ GLboolean EmitNoFunctions;
+ GLboolean EmitNoCont; /**< Emit CONT opcode? */
+ GLboolean EmitNoMainReturn; /**< Emit CONT/RET opcodes? */
+ GLboolean EmitNoNoise; /**< Emit NOISE opcodes? */
+ GLboolean EmitNoPow; /**< Emit POW opcodes? */
+
+ /**
+ * \name Forms of indirect addressing the driver cannot do.
+ */
+ /*@{*/
+ GLboolean EmitNoIndirectInput; /**< No indirect addressing of inputs */
+ GLboolean EmitNoIndirectOutput; /**< No indirect addressing of outputs */
+ GLboolean EmitNoIndirectTemp; /**< No indirect addressing of temps */
+ GLboolean EmitNoIndirectUniform; /**< No indirect addressing of constants */
+ /*@}*/
+
+ GLuint MaxUnrollIterations;
+
+ struct gl_sl_pragmas DefaultPragmas; /**< Default #pragma settings */
+};
+
+/**
+ * Transform feedback object state
+ */
+struct gl_transform_feedback_object
+{
+ GLuint Name; /**< AKA the object ID */
+ GLint RefCount;
+ GLboolean Active; /**< Is transform feedback enabled? */
+ GLboolean Paused; /**< Is transform feedback paused? */
+
+ /** The feedback buffers */
+ GLuint BufferNames[MAX_FEEDBACK_ATTRIBS];
+ struct gl_buffer_object *Buffers[MAX_FEEDBACK_ATTRIBS];
+
+ /** Start of feedback data in dest buffer */
+ GLintptr Offset[MAX_FEEDBACK_ATTRIBS];
+ /** Max data to put into dest buffer (in bytes) */
+ GLsizeiptr Size[MAX_FEEDBACK_ATTRIBS];
+};
+
+
+/**
+ * Context state for transform feedback.
+ */
+struct gl_transform_feedback
+{
+ GLenum Mode; /**< GL_POINTS, GL_LINES or GL_TRIANGLES */
+
+ GLboolean RasterDiscard; /**< GL_RASTERIZER_DISCARD */
+
+ /** The general binding point (GL_TRANSFORM_FEEDBACK_BUFFER) */
+ struct gl_buffer_object *CurrentBuffer;
+
+ /** The table of all transform feedback objects */
+ struct _mesa_HashTable *Objects;
+
+ /** The current xform-fb object (GL_TRANSFORM_FEEDBACK_BINDING) */
+ struct gl_transform_feedback_object *CurrentObject;
+
+ /** The default xform-fb object (Name==0) */
+ struct gl_transform_feedback_object *DefaultObject;
+};
+
+
+
+/**
+ * State which can be shared by multiple contexts:
+ */
+struct gl_shared_state
+{
+ _glthread_Mutex Mutex; /**< for thread safety */
+ GLint RefCount; /**< Reference count */
+ struct _mesa_HashTable *DisplayList; /**< Display lists hash table */
+ struct _mesa_HashTable *TexObjects; /**< Texture objects hash table */
+
+ /** Default texture objects (shared by all texture units) */
+ struct gl_texture_object *DefaultTex[NUM_TEXTURE_TARGETS];
+
+ /** Fallback texture used when a bound texture is incomplete */
+ struct gl_texture_object *FallbackTex;
+
+ /**
+ * \name Thread safety and statechange notification for texture
+ * objects.
+ *
+ * \todo Improve the granularity of locking.
+ */
+ /*@{*/
+ _glthread_Mutex TexMutex; /**< texobj thread safety */
+ GLuint TextureStateStamp; /**< state notification for shared tex */
+ /*@}*/
+
+ /** Default buffer object for vertex arrays that aren't in VBOs */
+ struct gl_buffer_object *NullBufferObj;
+
+ /**
+ * \name Vertex/geometry/fragment programs
+ */
+ /*@{*/
+ struct _mesa_HashTable *Programs; /**< All vertex/fragment programs */
+ struct gl_vertex_program *DefaultVertexProgram;
+ struct gl_fragment_program *DefaultFragmentProgram;
+ struct gl_geometry_program *DefaultGeometryProgram;
+ /*@}*/
+
+ /* GL_ATI_fragment_shader */
+ struct _mesa_HashTable *ATIShaders;
+ struct ati_fragment_shader *DefaultFragmentShader;
+
+ struct _mesa_HashTable *BufferObjects;
+
+ /** Table of both gl_shader and gl_shader_program objects */
+ struct _mesa_HashTable *ShaderObjects;
+
+ /* GL_EXT_framebuffer_object */
+ struct _mesa_HashTable *RenderBuffers;
+ struct _mesa_HashTable *FrameBuffers;
+
+ /* GL_ARB_sync */
+ struct simple_node SyncObjects;
+
+ void *DriverData; /**< Device driver shared state */
+};
+
+
+
+
+/**
+ * A renderbuffer stores colors or depth values or stencil values.
+ * A framebuffer object will have a collection of these.
+ * Data are read/written to the buffer with a handful of Get/Put functions.
+ *
+ * Instances of this object are allocated with the Driver's NewRenderbuffer
+ * hook. Drivers will likely wrap this class inside a driver-specific
+ * class to simulate inheritance.
+ */
+struct gl_renderbuffer
+{
+#define RB_MAGIC 0xaabbccdd
+ int Magic; /** XXX TEMPORARY DEBUG INFO */
+ _glthread_Mutex Mutex; /**< for thread safety */
+ GLuint ClassID; /**< Useful for drivers */
+ GLuint Name;
+ GLint RefCount;
+ GLuint Width, Height;
+ GLboolean Purgeable; /**< Is the buffer purgeable under memory pressure? */
+
+ GLenum InternalFormat; /**< The user-specified format */
+ GLenum _BaseFormat; /**< Either GL_RGB, GL_RGBA, GL_DEPTH_COMPONENT or
+ GL_STENCIL_INDEX. */
+ gl_format Format; /**< The actual renderbuffer memory format */
+
+ GLubyte NumSamples;
+
+ GLenum DataType; /**< Type of values passed to the Get/Put functions */
+ GLvoid *Data; /**< This may not be used by some kinds of RBs */
+
+ GLboolean AttachedAnytime; /**< TRUE if it was attached to a framebuffer */
+
+ /* Used to wrap one renderbuffer around another: */
+ struct gl_renderbuffer *Wrapped;
+
+ /* Delete this renderbuffer */
+ void (*Delete)(struct gl_renderbuffer *rb);
+
+ /* Allocate new storage for this renderbuffer */
+ GLboolean (*AllocStorage)(struct gl_context *ctx, struct gl_renderbuffer *rb,
+ GLenum internalFormat,
+ GLuint width, GLuint height);
+
+ /* Lock/Unlock are called before/after calling the Get/Put functions.
+ * Not sure this is the right place for these yet.
+ void (*Lock)(struct gl_context *ctx, struct gl_renderbuffer *rb);
+ void (*Unlock)(struct gl_context *ctx, struct gl_renderbuffer *rb);
+ */
+
+ /* Return a pointer to the element/pixel at (x,y).
+ * Should return NULL if the buffer memory can't be directly addressed.
+ */
+ void *(*GetPointer)(struct gl_context *ctx, struct gl_renderbuffer *rb,
+ GLint x, GLint y);
+
+ /* Get/Read a row of values.
+ * The values will be of format _BaseFormat and type DataType.
+ */
+ void (*GetRow)(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
+ GLint x, GLint y, void *values);
+
+ /* Get/Read values at arbitrary locations.
+ * The values will be of format _BaseFormat and type DataType.
+ */
+ void (*GetValues)(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
+ const GLint x[], const GLint y[], void *values);
+
+ /* Put/Write a row of values.
+ * The values will be of format _BaseFormat and type DataType.
+ */
+ void (*PutRow)(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
+ GLint x, GLint y, const void *values, const GLubyte *mask);
+
+ /* Put/Write a row of RGB values. This is a special-case routine that's
+ * only used for RGBA renderbuffers when the source data is GL_RGB. That's
+ * a common case for glDrawPixels and some triangle routines.
+ * The values will be of format GL_RGB and type DataType.
+ */
+ void (*PutRowRGB)(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
+ GLint x, GLint y, const void *values, const GLubyte *mask);
+
+
+ /* Put/Write a row of identical values.
+ * The values will be of format _BaseFormat and type DataType.
+ */
+ void (*PutMonoRow)(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
+ GLint x, GLint y, const void *value, const GLubyte *mask);
+
+ /* Put/Write values at arbitrary locations.
+ * The values will be of format _BaseFormat and type DataType.
+ */
+ void (*PutValues)(struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint count,
+ const GLint x[], const GLint y[], const void *values,
+ const GLubyte *mask);
+ /* Put/Write identical values at arbitrary locations.
+ * The values will be of format _BaseFormat and type DataType.
+ */
+ void (*PutMonoValues)(struct gl_context *ctx, struct gl_renderbuffer *rb,
+ GLuint count, const GLint x[], const GLint y[],
+ const void *value, const GLubyte *mask);
+};
+
+
+/**
+ * A renderbuffer attachment points to either a texture object (and specifies
+ * a mipmap level, cube face or 3D texture slice) or points to a renderbuffer.
+ */
+struct gl_renderbuffer_attachment
+{
+ GLenum Type; /**< \c GL_NONE or \c GL_TEXTURE or \c GL_RENDERBUFFER_EXT */
+ GLboolean Complete;
+
+ /**
+ * If \c Type is \c GL_RENDERBUFFER_EXT, this stores a pointer to the
+ * application supplied renderbuffer object.
+ */
+ struct gl_renderbuffer *Renderbuffer;
+
+ /**
+ * If \c Type is \c GL_TEXTURE, this stores a pointer to the application
+ * supplied texture object.
+ */
+ struct gl_texture_object *Texture;
+ GLuint TextureLevel; /**< Attached mipmap level. */
+ GLuint CubeMapFace; /**< 0 .. 5, for cube map textures. */
+ GLuint Zoffset; /**< Slice for 3D textures, or layer for both 1D
+ * and 2D array textures */
+};
+
+
+/**
+ * A framebuffer is a collection of renderbuffers (color, depth, stencil, etc).
+ * In C++ terms, think of this as a base class from which device drivers
+ * will make derived classes.
+ */
+struct gl_framebuffer
+{
+ _glthread_Mutex Mutex; /**< for thread safety */
+ /**
+ * If zero, this is a window system framebuffer. If non-zero, this
+ * is a FBO framebuffer; note that for some devices (i.e. those with
+ * a natural pixel coordinate system for FBOs that differs from the
+ * OpenGL/Mesa coordinate system), this means that the viewport,
+ * polygon face orientation, and polygon stipple will have to be inverted.
+ */
+ GLuint Name;
+
+ GLint RefCount;
+ GLboolean DeletePending;
+
+ /**
+ * The framebuffer's visual. Immutable if this is a window system buffer.
+ * Computed from attachments if user-made FBO.
+ */
+ struct gl_config Visual;
+
+ GLboolean Initialized;
+
+ GLuint Width, Height; /**< size of frame buffer in pixels */
+
+ /** \name Drawing bounds (Intersection of buffer size and scissor box) */
+ /*@{*/
+ GLint _Xmin, _Xmax; /**< inclusive */
+ GLint _Ymin, _Ymax; /**< exclusive */
+ /*@}*/
+
+ /** \name Derived Z buffer stuff */
+ /*@{*/
+ GLuint _DepthMax; /**< Max depth buffer value */
+ GLfloat _DepthMaxF; /**< Float max depth buffer value */
+ GLfloat _MRD; /**< minimum resolvable difference in Z values */
+ /*@}*/
+
+ /** One of the GL_FRAMEBUFFER_(IN)COMPLETE_* tokens */
+ GLenum _Status;
+
+ /** Integer color values */
+ GLboolean _IntegerColor;
+
+ /** Array of all renderbuffer attachments, indexed by BUFFER_* tokens. */
+ struct gl_renderbuffer_attachment Attachment[BUFFER_COUNT];
+
+ /* In unextended OpenGL these vars are part of the GL_COLOR_BUFFER
+ * attribute group and GL_PIXEL attribute group, respectively.
+ */
+ GLenum ColorDrawBuffer[MAX_DRAW_BUFFERS];
+ GLenum ColorReadBuffer;
+
+ /** Computed from ColorDraw/ReadBuffer above */
+ GLuint _NumColorDrawBuffers;
+ GLint _ColorDrawBufferIndexes[MAX_DRAW_BUFFERS]; /**< BUFFER_x or -1 */
+ GLint _ColorReadBufferIndex; /* -1 = None */
+ struct gl_renderbuffer *_ColorDrawBuffers[MAX_DRAW_BUFFERS];
+ struct gl_renderbuffer *_ColorReadBuffer;
+
+ /** The Actual depth/stencil buffers to use. May be wrappers around the
+ * depth/stencil buffers attached above. */
+ struct gl_renderbuffer *_DepthBuffer;
+ struct gl_renderbuffer *_StencilBuffer;
+
+ /** Delete this framebuffer */
+ void (*Delete)(struct gl_framebuffer *fb);
+};
+
+
+/**
+ * Precision info for shader datatypes. See glGetShaderPrecisionFormat().
+ */
+struct gl_precision
+{
+ GLushort RangeMin; /**< min value exponent */
+ GLushort RangeMax; /**< max value exponent */
+ GLushort Precision; /**< number of mantissa bits */
+};
+
+
+/**
+ * Limits for vertex, geometry and fragment programs/shaders.
+ */
+struct gl_program_constants
+{
+ /* logical limits */
+ GLuint MaxInstructions;
+ GLuint MaxAluInstructions;
+ GLuint MaxTexInstructions;
+ GLuint MaxTexIndirections;
+ GLuint MaxAttribs;
+ GLuint MaxTemps;
+ GLuint MaxAddressRegs;
+ GLuint MaxAddressOffset; /**< [-MaxAddressOffset, MaxAddressOffset-1] */
+ GLuint MaxParameters;
+ GLuint MaxLocalParams;
+ GLuint MaxEnvParams;
+ /* native/hardware limits */
+ GLuint MaxNativeInstructions;
+ GLuint MaxNativeAluInstructions;
+ GLuint MaxNativeTexInstructions;
+ GLuint MaxNativeTexIndirections;
+ GLuint MaxNativeAttribs;
+ GLuint MaxNativeTemps;
+ GLuint MaxNativeAddressRegs;
+ GLuint MaxNativeParameters;
+ /* For shaders */
+ GLuint MaxUniformComponents; /**< Usually == MaxParameters * 4 */
+ /* ES 2.0 and GL_ARB_ES2_compatibility */
+ struct gl_precision LowFloat, MediumFloat, HighFloat;
+ struct gl_precision LowInt, MediumInt, HighInt;
+};
+
+
+/**
+ * Constants which may be overridden by device driver during context creation
+ * but are never changed after that.
+ */
+struct gl_constants
+{
+ GLint MaxTextureMbytes; /**< Max memory per image, in MB */
+ GLint MaxTextureLevels; /**< Max mipmap levels. */
+ GLint Max3DTextureLevels; /**< Max mipmap levels for 3D textures */
+ GLint MaxCubeTextureLevels; /**< Max mipmap levels for cube textures */
+ GLint MaxArrayTextureLayers; /**< Max layers in array textures */
+ GLint MaxTextureRectSize; /**< Max rectangle texture size, in pixes */
+ GLuint MaxTextureCoordUnits;
+ GLuint MaxTextureImageUnits;
+ GLuint MaxVertexTextureImageUnits;
+ GLuint MaxCombinedTextureImageUnits;
+ GLuint MaxGeometryTextureImageUnits;
+ GLuint MaxTextureUnits; /**< = MIN(CoordUnits, ImageUnits) */
+ GLfloat MaxTextureMaxAnisotropy; /**< GL_EXT_texture_filter_anisotropic */
+ GLfloat MaxTextureLodBias; /**< GL_EXT_texture_lod_bias */
+
+ GLuint MaxArrayLockSize;
+
+ GLint SubPixelBits;
+
+ GLfloat MinPointSize, MaxPointSize; /**< aliased */
+ GLfloat MinPointSizeAA, MaxPointSizeAA; /**< antialiased */
+ GLfloat PointSizeGranularity;
+ GLfloat MinLineWidth, MaxLineWidth; /**< aliased */
+ GLfloat MinLineWidthAA, MaxLineWidthAA; /**< antialiased */
+ GLfloat LineWidthGranularity;
+
+ GLuint MaxColorTableSize;
+
+ GLuint MaxClipPlanes;
+ GLuint MaxLights;
+ GLfloat MaxShininess; /**< GL_NV_light_max_exponent */
+ GLfloat MaxSpotExponent; /**< GL_NV_light_max_exponent */
+
+ GLuint MaxViewportWidth, MaxViewportHeight;
+
+ struct gl_program_constants VertexProgram; /**< GL_ARB_vertex_program */
+ struct gl_program_constants FragmentProgram; /**< GL_ARB_fragment_program */
+ struct gl_program_constants GeometryProgram; /**< GL_ARB_geometry_shader4 */
+ GLuint MaxProgramMatrices;
+ GLuint MaxProgramMatrixStackDepth;
+
+ /** vertex array / buffer object bounds checking */
+ GLboolean CheckArrayBounds;
+
+ GLuint MaxDrawBuffers; /**< GL_ARB_draw_buffers */
+
+ GLuint MaxColorAttachments; /**< GL_EXT_framebuffer_object */
+ GLuint MaxRenderbufferSize; /**< GL_EXT_framebuffer_object */
+ GLuint MaxSamples; /**< GL_ARB_framebuffer_object */
+
+ /** Number of varying vectors between vertex and fragment shaders */
+ GLuint MaxVarying;
+ GLuint MaxVertexVaryingComponents; /**< Between vert and geom shader */
+ GLuint MaxGeometryVaryingComponents; /**< Between geom and frag shader */
+
+ /** GL_ARB_geometry_shader4 */
+ GLuint MaxGeometryOutputVertices;
+ GLuint MaxGeometryTotalOutputComponents;
+
+ GLuint GLSLVersion; /**< GLSL version supported (ex: 120 = 1.20) */
+
+ /** Which texture units support GL_ATI_envmap_bumpmap as targets */
+ GLbitfield SupportedBumpUnits;
+
+ /**
+ * Maximum amount of time, measured in nanseconds, that the server can wait.
+ */
+ GLuint64 MaxServerWaitTimeout;
+
+ /** GL_EXT_provoking_vertex */
+ GLboolean QuadsFollowProvokingVertexConvention;
+
+ /** OpenGL version 3.0 */
+ GLbitfield ContextFlags; /**< Ex: GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT */
+
+ /** OpenGL version 3.2 */
+ GLbitfield ProfileMask; /**< Mask of CONTEXT_x_PROFILE_BIT */
+
+ /** GL_EXT_transform_feedback */
+ GLuint MaxTransformFeedbackSeparateAttribs;
+ GLuint MaxTransformFeedbackSeparateComponents;
+ GLuint MaxTransformFeedbackInterleavedComponents;
+
+ /** GL_EXT_gpu_shader4 */
+ GLint MinProgramTexelOffset, MaxProgramTexelOffset;
+
+ /* GL_EXT_framebuffer_sRGB */
+ GLboolean sRGBCapable; /* can enable sRGB blend/update on FBOs */
+};
+
+
+/**
+ * Enable flag for each OpenGL extension. Different device drivers will
+ * enable different extensions at runtime.
+ */
+struct gl_extensions
+{
+ GLboolean dummy; /* don't remove this! */
+ GLboolean dummy_true; /* Set true by _mesa_init_extensions(). */
+ GLboolean dummy_false; /* Set false by _mesa_init_extensions(). */
+ GLboolean ARB_ES2_compatibility;
+ GLboolean ARB_blend_func_extended;
+ GLboolean ARB_copy_buffer;
+ GLboolean ARB_depth_buffer_float;
+ GLboolean ARB_depth_clamp;
+ GLboolean ARB_depth_texture;
+ GLboolean ARB_draw_buffers;
+ GLboolean ARB_draw_buffers_blend;
+ GLboolean ARB_draw_elements_base_vertex;
+ GLboolean ARB_draw_instanced;
+ GLboolean ARB_fragment_coord_conventions;
+ GLboolean ARB_fragment_program;
+ GLboolean ARB_fragment_program_shadow;
+ GLboolean ARB_fragment_shader;
+ GLboolean ARB_framebuffer_object;
+ GLboolean ARB_explicit_attrib_location;
+ GLboolean ARB_geometry_shader4;
+ GLboolean ARB_half_float_pixel;
+ GLboolean ARB_half_float_vertex;
+ GLboolean ARB_instanced_arrays;
+ GLboolean ARB_map_buffer_range;
+ GLboolean ARB_multisample;
+ GLboolean ARB_multitexture;
+ GLboolean ARB_occlusion_query;
+ GLboolean ARB_occlusion_query2;
+ GLboolean ARB_point_sprite;
+ GLboolean ARB_sampler_objects;
+ GLboolean ARB_seamless_cube_map;
+ GLboolean ARB_shader_objects;
+ GLboolean ARB_shader_stencil_export;
+ GLboolean ARB_shading_language_100;
+ GLboolean ARB_shadow;
+ GLboolean ARB_shadow_ambient;
+ GLboolean ARB_sync;
+ GLboolean ARB_texture_border_clamp;
+ GLboolean ARB_texture_buffer_object;
+ GLboolean ARB_texture_compression;
+ GLboolean ARB_texture_compression_rgtc;
+ GLboolean ARB_texture_cube_map;
+ GLboolean ARB_texture_env_combine;
+ GLboolean ARB_texture_env_crossbar;
+ GLboolean ARB_texture_env_dot3;
+ GLboolean ARB_texture_float;
+ GLboolean ARB_texture_mirrored_repeat;
+ GLboolean ARB_texture_multisample;
+ GLboolean ARB_texture_non_power_of_two;
+ GLboolean ARB_texture_rg;
+ GLboolean ARB_texture_rgb10_a2ui;
+ GLboolean ARB_timer_query;
+ GLboolean ARB_transform_feedback2;
+ GLboolean ARB_transpose_matrix;
+ GLboolean ARB_uniform_buffer_object;
+ GLboolean ARB_vertex_array_object;
+ GLboolean ARB_vertex_buffer_object;
+ GLboolean ARB_vertex_program;
+ GLboolean ARB_vertex_shader;
+ GLboolean ARB_vertex_type_2_10_10_10_rev;
+ GLboolean ARB_window_pos;
+ GLboolean EXT_abgr;
+ GLboolean EXT_bgra;
+ GLboolean EXT_blend_color;
+ GLboolean EXT_blend_equation_separate;
+ GLboolean EXT_blend_func_separate;
+ GLboolean EXT_blend_logic_op;
+ GLboolean EXT_blend_minmax;
+ GLboolean EXT_blend_subtract;
+ GLboolean EXT_clip_volume_hint;
+ GLboolean EXT_compiled_vertex_array;
+ GLboolean EXT_copy_texture;
+ GLboolean EXT_depth_bounds_test;
+ GLboolean EXT_draw_buffers2;
+ GLboolean EXT_draw_range_elements;
+ GLboolean EXT_fog_coord;
+ GLboolean EXT_framebuffer_blit;
+ GLboolean EXT_framebuffer_multisample;
+ GLboolean EXT_framebuffer_object;
+ GLboolean EXT_framebuffer_sRGB;
+ GLboolean EXT_gpu_program_parameters;
+ GLboolean EXT_gpu_shader4;
+ GLboolean EXT_multi_draw_arrays;
+ GLboolean EXT_paletted_texture;
+ GLboolean EXT_packed_depth_stencil;
+ GLboolean EXT_packed_float;
+ GLboolean EXT_packed_pixels;
+ GLboolean EXT_pixel_buffer_object;
+ GLboolean EXT_point_parameters;
+ GLboolean EXT_polygon_offset;
+ GLboolean EXT_provoking_vertex;
+ GLboolean EXT_rescale_normal;
+ GLboolean EXT_shadow_funcs;
+ GLboolean EXT_secondary_color;
+ GLboolean EXT_separate_shader_objects;
+ GLboolean EXT_separate_specular_color;
+ GLboolean EXT_shared_texture_palette;
+ GLboolean EXT_stencil_wrap;
+ GLboolean EXT_stencil_two_side;
+ GLboolean EXT_subtexture;
+ GLboolean EXT_texture;
+ GLboolean EXT_texture_object;
+ GLboolean EXT_texture3D;
+ GLboolean EXT_texture_array;
+ GLboolean EXT_texture_compression_latc;
+ GLboolean EXT_texture_compression_s3tc;
+ GLboolean EXT_texture_env_add;
+ GLboolean EXT_texture_env_combine;
+ GLboolean EXT_texture_env_dot3;
+ GLboolean EXT_texture_filter_anisotropic;
+ GLboolean EXT_texture_integer;
+ GLboolean EXT_texture_lod_bias;
+ GLboolean EXT_texture_mirror_clamp;
+ GLboolean EXT_texture_shared_exponent;
+ GLboolean EXT_texture_sRGB;
+ GLboolean EXT_texture_sRGB_decode;
+ GLboolean EXT_texture_swizzle;
+ GLboolean EXT_transform_feedback;
+ GLboolean EXT_timer_query;
+ GLboolean EXT_vertex_array;
+ GLboolean EXT_vertex_array_bgra;
+ GLboolean EXT_vertex_array_set;
+ GLboolean OES_standard_derivatives;
+ /* vendor extensions */
+ GLboolean AMD_conservative_depth;
+ GLboolean APPLE_client_storage;
+ GLboolean APPLE_packed_pixels;
+ GLboolean APPLE_vertex_array_object;
+ GLboolean APPLE_object_purgeable;
+ GLboolean ATI_envmap_bumpmap;
+ GLboolean ATI_texture_compression_3dc;
+ GLboolean ATI_texture_mirror_once;
+ GLboolean ATI_texture_env_combine3;
+ GLboolean ATI_fragment_shader;
+ GLboolean ATI_separate_stencil;
+ GLboolean IBM_rasterpos_clip;
+ GLboolean IBM_multimode_draw_arrays;
+ GLboolean MESA_pack_invert;
+ GLboolean MESA_resize_buffers;
+ GLboolean MESA_ycbcr_texture;
+ GLboolean MESA_texture_array;
+ GLboolean MESA_texture_signed_rgba;
+ GLboolean NV_blend_square;
+ GLboolean NV_conditional_render;
+ GLboolean NV_fragment_program;
+ GLboolean NV_fragment_program_option;
+ GLboolean NV_light_max_exponent;
+ GLboolean NV_point_sprite;
+ GLboolean NV_primitive_restart;
+ GLboolean NV_texture_barrier;
+ GLboolean NV_texgen_reflection;
+ GLboolean NV_texture_env_combine4;
+ GLboolean NV_texture_rectangle;
+ GLboolean NV_vertex_program;
+ GLboolean NV_vertex_program1_1;
+ GLboolean OES_read_format;
+ GLboolean SGIS_generate_mipmap;
+ GLboolean SGIS_texture_edge_clamp;
+ GLboolean SGIS_texture_lod;
+ GLboolean TDFX_texture_compression_FXT1;
+ GLboolean S3_s3tc;
+ GLboolean OES_EGL_image;
+ GLboolean OES_draw_texture;
+ GLboolean EXT_texture_format_BGRA8888;
+ GLboolean extension_sentinel;
+ /** The extension string */
+ const GLubyte *String;
+ /** Number of supported extensions */
+ GLuint Count;
+};
+
+
+/**
+ * A stack of matrices (projection, modelview, color, texture, etc).
+ */
+struct gl_matrix_stack
+{
+ GLmatrix *Top; /**< points into Stack */
+ GLmatrix *Stack; /**< array [MaxDepth] of GLmatrix */
+ GLuint Depth; /**< 0 <= Depth < MaxDepth */
+ GLuint MaxDepth; /**< size of Stack[] array */
+ GLuint DirtyFlag; /**< _NEW_MODELVIEW or _NEW_PROJECTION, for example */
+};
+
+
+/**
+ * \name Bits for image transfer operations
+ * \sa __struct gl_contextRec::ImageTransferState.
+ */
+/*@{*/
+#define IMAGE_SCALE_BIAS_BIT 0x1
+#define IMAGE_SHIFT_OFFSET_BIT 0x2
+#define IMAGE_MAP_COLOR_BIT 0x4
+#define IMAGE_CLAMP_BIT 0x800
+
+
+/** Pixel Transfer ops */
+#define IMAGE_BITS (IMAGE_SCALE_BIAS_BIT | \
+ IMAGE_SHIFT_OFFSET_BIT | \
+ IMAGE_MAP_COLOR_BIT)
+
+/**
+ * \name Bits to indicate what state has changed.
+ */
+/*@{*/
+#define _NEW_MODELVIEW (1 << 0) /**< gl_context::ModelView */
+#define _NEW_PROJECTION (1 << 1) /**< gl_context::Projection */
+#define _NEW_TEXTURE_MATRIX (1 << 2) /**< gl_context::TextureMatrix */
+#define _NEW_COLOR (1 << 3) /**< gl_context::Color */
+#define _NEW_DEPTH (1 << 4) /**< gl_context::Depth */
+#define _NEW_EVAL (1 << 5) /**< gl_context::Eval, EvalMap */
+#define _NEW_FOG (1 << 6) /**< gl_context::Fog */
+#define _NEW_HINT (1 << 7) /**< gl_context::Hint */
+#define _NEW_LIGHT (1 << 8) /**< gl_context::Light */
+#define _NEW_LINE (1 << 9) /**< gl_context::Line */
+#define _NEW_PIXEL (1 << 10) /**< gl_context::Pixel */
+#define _NEW_POINT (1 << 11) /**< gl_context::Point */
+#define _NEW_POLYGON (1 << 12) /**< gl_context::Polygon */
+#define _NEW_POLYGONSTIPPLE (1 << 13) /**< gl_context::PolygonStipple */
+#define _NEW_SCISSOR (1 << 14) /**< gl_context::Scissor */
+#define _NEW_STENCIL (1 << 15) /**< gl_context::Stencil */
+#define _NEW_TEXTURE (1 << 16) /**< gl_context::Texture */
+#define _NEW_TRANSFORM (1 << 17) /**< gl_context::Transform */
+#define _NEW_VIEWPORT (1 << 18) /**< gl_context::Viewport */
+#define _NEW_PACKUNPACK (1 << 19) /**< gl_context::Pack, Unpack */
+#define _NEW_ARRAY (1 << 20) /**< gl_context::Array */
+#define _NEW_RENDERMODE (1 << 21) /**< gl_context::RenderMode, etc */
+#define _NEW_BUFFERS (1 << 22) /**< gl_context::Visual, DrawBuffer, */
+#define _NEW_CURRENT_ATTRIB (1 << 23) /**< gl_context::Current */
+#define _NEW_MULTISAMPLE (1 << 24) /**< gl_context::Multisample */
+#define _NEW_TRACK_MATRIX (1 << 25) /**< gl_context::VertexProgram */
+#define _NEW_PROGRAM (1 << 26) /**< New program/shader state */
+#define _NEW_PROGRAM_CONSTANTS (1 << 27)
+#define _NEW_BUFFER_OBJECT (1 << 28)
+#define _NEW_ALL ~0
+/*@}*/
+
+
+/**
+ * \name Bits to track array state changes
+ *
+ * Also used to summarize array enabled.
+ */
+/*@{*/
+#define _NEW_ARRAY_VERTEX VERT_BIT_POS
+#define _NEW_ARRAY_WEIGHT VERT_BIT_WEIGHT
+#define _NEW_ARRAY_NORMAL VERT_BIT_NORMAL
+#define _NEW_ARRAY_COLOR0 VERT_BIT_COLOR0
+#define _NEW_ARRAY_COLOR1 VERT_BIT_COLOR1
+#define _NEW_ARRAY_FOGCOORD VERT_BIT_FOG
+#define _NEW_ARRAY_INDEX VERT_BIT_COLOR_INDEX
+#define _NEW_ARRAY_EDGEFLAG VERT_BIT_EDGEFLAG
+#define _NEW_ARRAY_POINT_SIZE VERT_BIT_COLOR_INDEX /* aliased */
+#define _NEW_ARRAY_TEXCOORD_0 VERT_BIT_TEX0
+#define _NEW_ARRAY_TEXCOORD_1 VERT_BIT_TEX1
+#define _NEW_ARRAY_TEXCOORD_2 VERT_BIT_TEX2
+#define _NEW_ARRAY_TEXCOORD_3 VERT_BIT_TEX3
+#define _NEW_ARRAY_TEXCOORD_4 VERT_BIT_TEX4
+#define _NEW_ARRAY_TEXCOORD_5 VERT_BIT_TEX5
+#define _NEW_ARRAY_TEXCOORD_6 VERT_BIT_TEX6
+#define _NEW_ARRAY_TEXCOORD_7 VERT_BIT_TEX7
+#define _NEW_ARRAY_ATTRIB_0 VERT_BIT_GENERIC0 /* start at bit 16 */
+#define _NEW_ARRAY_ALL 0xffffffff
+
+
+#define _NEW_ARRAY_TEXCOORD(i) (_NEW_ARRAY_TEXCOORD_0 << (i))
+#define _NEW_ARRAY_ATTRIB(i) (_NEW_ARRAY_ATTRIB_0 << (i))
+/*@}*/
+
+
+
+/**
+ * \name A bunch of flags that we think might be useful to drivers.
+ *
+ * Set in the __struct gl_contextRec::_TriangleCaps bitfield.
+ */
+/*@{*/
+#define DD_FLATSHADE 0x1
+#define DD_SEPARATE_SPECULAR 0x2
+#define DD_TRI_CULL_FRONT_BACK 0x4 /* special case on some hw */
+#define DD_TRI_LIGHT_TWOSIDE 0x8
+#define DD_TRI_UNFILLED 0x10
+#define DD_TRI_SMOOTH 0x20
+#define DD_TRI_STIPPLE 0x40
+#define DD_TRI_OFFSET 0x80
+#define DD_LINE_SMOOTH 0x100
+#define DD_LINE_STIPPLE 0x200
+#define DD_POINT_SMOOTH 0x400
+#define DD_POINT_ATTEN 0x800
+#define DD_TRI_TWOSTENCIL 0x1000
+/*@}*/
+
+
+/**
+ * \name Define the state changes under which each of these bits might change
+ */
+/*@{*/
+#define _DD_NEW_FLATSHADE _NEW_LIGHT
+#define _DD_NEW_SEPARATE_SPECULAR (_NEW_LIGHT | _NEW_FOG | _NEW_PROGRAM)
+#define _DD_NEW_TRI_CULL_FRONT_BACK _NEW_POLYGON
+#define _DD_NEW_TRI_LIGHT_TWOSIDE _NEW_LIGHT
+#define _DD_NEW_TRI_UNFILLED _NEW_POLYGON
+#define _DD_NEW_TRI_SMOOTH _NEW_POLYGON
+#define _DD_NEW_TRI_STIPPLE _NEW_POLYGON
+#define _DD_NEW_TRI_OFFSET _NEW_POLYGON
+#define _DD_NEW_LINE_SMOOTH _NEW_LINE
+#define _DD_NEW_LINE_STIPPLE _NEW_LINE
+#define _DD_NEW_LINE_WIDTH _NEW_LINE
+#define _DD_NEW_POINT_SMOOTH _NEW_POINT
+#define _DD_NEW_POINT_SIZE _NEW_POINT
+#define _DD_NEW_POINT_ATTEN _NEW_POINT
+/*@}*/
+
+
+/**
+ * Composite state flags
+ */
+/*@{*/
+#define _MESA_NEW_NEED_EYE_COORDS (_NEW_LIGHT | \
+ _NEW_TEXTURE | \
+ _NEW_POINT | \
+ _NEW_PROGRAM | \
+ _NEW_MODELVIEW)
+/*@}*/
+
+
+
+
+/* This has to be included here. */
+#include "dd.h"
+
+
+/**
+ * Display list flags.
+ * Strictly this is a tnl-private concept, but it doesn't seem
+ * worthwhile adding a tnl private structure just to hold this one bit
+ * of information:
+ */
+#define DLIST_DANGLING_REFS 0x1
+
+
+/** Opaque declaration of display list payload data type */
+union gl_dlist_node;
+
+
+/**
+ * Provide a location where information about a display list can be
+ * collected. Could be extended with driverPrivate structures,
+ * etc. in the future.
+ */
+struct gl_display_list
+{
+ GLuint Name;
+ GLbitfield Flags; /**< DLIST_x flags */
+ /** The dlist commands are in a linked list of nodes */
+ union gl_dlist_node *Head;
+};
+
+
+/**
+ * State used during display list compilation and execution.
+ */
+struct gl_dlist_state
+{
+ GLuint CallDepth; /**< Current recursion calling depth */
+
+ struct gl_display_list *CurrentList; /**< List currently being compiled */
+ union gl_dlist_node *CurrentBlock; /**< Pointer to current block of nodes */
+ GLuint CurrentPos; /**< Index into current block of nodes */
+
+ GLvertexformat ListVtxfmt;
+
+ GLubyte ActiveAttribSize[VERT_ATTRIB_MAX];
+ GLfloat CurrentAttrib[VERT_ATTRIB_MAX][4];
+
+ GLubyte ActiveMaterialSize[MAT_ATTRIB_MAX];
+ GLfloat CurrentMaterial[MAT_ATTRIB_MAX][4];
+
+ GLubyte ActiveIndex;
+ GLfloat CurrentIndex;
+
+ GLubyte ActiveEdgeFlag;
+ GLboolean CurrentEdgeFlag;
+
+ struct {
+ /* State known to have been set by the currently-compiling display
+ * list. Used to eliminate some redundant state changes.
+ */
+ GLenum ShadeModel;
+ } Current;
+};
+
+
+/**
+ * Enum for the OpenGL APIs we know about and may support.
+ */
+typedef enum
+{
+ API_OPENGL,
+ API_OPENGLES,
+ API_OPENGLES2
+} gl_api;
+
+
+/**
+ * Mesa rendering context.
+ *
+ * This is the central context data structure for Mesa. Almost all
+ * OpenGL state is contained in this structure.
+ * Think of this as a base class from which device drivers will derive
+ * sub classes.
+ *
+ * The struct gl_context typedef names this structure.
+ */
+struct gl_context
+{
+ /** State possibly shared with other contexts in the address space */
+ struct gl_shared_state *Shared;
+
+ /** \name API function pointer tables */
+ /*@{*/
+ gl_api API;
+ struct _glapi_table *Save; /**< Display list save functions */
+ struct _glapi_table *Exec; /**< Execute functions */
+ struct _glapi_table *CurrentDispatch; /**< == Save or Exec !! */
+ /*@}*/
+
+ struct gl_config Visual;
+ struct gl_framebuffer *DrawBuffer; /**< buffer for writing */
+ struct gl_framebuffer *ReadBuffer; /**< buffer for reading */
+ struct gl_framebuffer *WinSysDrawBuffer; /**< set with MakeCurrent */
+ struct gl_framebuffer *WinSysReadBuffer; /**< set with MakeCurrent */
+
+ /**
+ * Device driver function pointer table
+ */
+ struct dd_function_table Driver;
+
+ void *DriverCtx; /**< Points to device driver context/state */
+
+ /** Core/Driver constants */
+ struct gl_constants Const;
+
+ /** \name The various 4x4 matrix stacks */
+ /*@{*/
+ struct gl_matrix_stack ModelviewMatrixStack;
+ struct gl_matrix_stack ProjectionMatrixStack;
+ struct gl_matrix_stack TextureMatrixStack[MAX_TEXTURE_UNITS];
+ struct gl_matrix_stack ProgramMatrixStack[MAX_PROGRAM_MATRICES];
+ struct gl_matrix_stack *CurrentStack; /**< Points to one of the above stacks */
+ /*@}*/
+
+ /** Combined modelview and projection matrix */
+ GLmatrix _ModelProjectMatrix;
+
+ /** \name Display lists */
+ struct gl_dlist_state ListState;
+
+ GLboolean ExecuteFlag; /**< Execute GL commands? */
+ GLboolean CompileFlag; /**< Compile GL commands into display list? */
+
+ /** Extension information */
+ struct gl_extensions Extensions;
+
+ /** Version info */
+ GLuint VersionMajor, VersionMinor;
+ char *VersionString;
+
+ /** \name State attribute stack (for glPush/PopAttrib) */
+ /*@{*/
+ GLuint AttribStackDepth;
+ struct gl_attrib_node *AttribStack[MAX_ATTRIB_STACK_DEPTH];
+ /*@}*/
+
+ /** \name Renderer attribute groups
+ *
+ * We define a struct for each attribute group to make pushing and popping
+ * attributes easy. Also it's a good organization.
+ */
+ /*@{*/
+ struct gl_accum_attrib Accum; /**< Accum buffer attributes */
+ struct gl_colorbuffer_attrib Color; /**< Color buffer attributes */
+ struct gl_current_attrib Current; /**< Current attributes */
+ struct gl_depthbuffer_attrib Depth; /**< Depth buffer attributes */
+ struct gl_eval_attrib Eval; /**< Eval attributes */
+ struct gl_fog_attrib Fog; /**< Fog attributes */
+ struct gl_hint_attrib Hint; /**< Hint attributes */
+ struct gl_light_attrib Light; /**< Light attributes */
+ struct gl_line_attrib Line; /**< Line attributes */
+ struct gl_list_attrib List; /**< List attributes */
+ struct gl_multisample_attrib Multisample;
+ struct gl_pixel_attrib Pixel; /**< Pixel attributes */
+ struct gl_point_attrib Point; /**< Point attributes */
+ struct gl_polygon_attrib Polygon; /**< Polygon attributes */
+ GLuint PolygonStipple[32]; /**< Polygon stipple */
+ struct gl_scissor_attrib Scissor; /**< Scissor attributes */
+ struct gl_stencil_attrib Stencil; /**< Stencil buffer attributes */
+ struct gl_texture_attrib Texture; /**< Texture attributes */
+ struct gl_transform_attrib Transform; /**< Transformation attributes */
+ struct gl_viewport_attrib Viewport; /**< Viewport attributes */
+ /*@}*/
+
+ /** \name Client attribute stack */
+ /*@{*/
+ GLuint ClientAttribStackDepth;
+ struct gl_attrib_node *ClientAttribStack[MAX_CLIENT_ATTRIB_STACK_DEPTH];
+ /*@}*/
+
+ /** \name Client attribute groups */
+ /*@{*/
+ struct gl_array_attrib Array; /**< Vertex arrays */
+ struct gl_pixelstore_attrib Pack; /**< Pixel packing */
+ struct gl_pixelstore_attrib Unpack; /**< Pixel unpacking */
+ struct gl_pixelstore_attrib DefaultPacking; /**< Default params */
+ /*@}*/
+
+ /** \name Other assorted state (not pushed/popped on attribute stack) */
+ /*@{*/
+ struct gl_pixelmaps PixelMaps;
+
+ struct gl_evaluators EvalMap; /**< All evaluators */
+ struct gl_feedback Feedback; /**< Feedback */
+ struct gl_selection Select; /**< Selection */
+
+ struct gl_program_state Program; /**< general program state */
+ struct gl_vertex_program_state VertexProgram;
+ struct gl_fragment_program_state FragmentProgram;
+ struct gl_geometry_program_state GeometryProgram;
+ struct gl_ati_fragment_shader_state ATIFragmentShader;
+
+ struct gl_shader_state Shader; /**< GLSL shader object state */
+ struct gl_shader_compiler_options ShaderCompilerOptions[MESA_SHADER_TYPES];
+
+ struct gl_query_state Query; /**< occlusion, timer queries */
+
+ struct gl_transform_feedback TransformFeedback;
+
+ struct gl_buffer_object *CopyReadBuffer; /**< GL_ARB_copy_buffer */
+ struct gl_buffer_object *CopyWriteBuffer; /**< GL_ARB_copy_buffer */
+ /*@}*/
+
+ struct gl_meta_state *Meta; /**< for "meta" operations */
+
+ /* GL_EXT_framebuffer_object */
+ struct gl_renderbuffer *CurrentRenderbuffer;
+
+ GLenum ErrorValue; /**< Last error code */
+
+ /**
+ * Recognize and silence repeated error debug messages in buggy apps.
+ */
+ const char *ErrorDebugFmtString;
+ GLuint ErrorDebugCount;
+
+ GLenum RenderMode; /**< either GL_RENDER, GL_SELECT, GL_FEEDBACK */
+ GLbitfield NewState; /**< bitwise-or of _NEW_* flags */
+
+ GLboolean ViewportInitialized; /**< has viewport size been initialized? */
+
+ GLbitfield varying_vp_inputs; /**< mask of VERT_BIT_* flags */
+
+ /** \name Derived state */
+ /*@{*/
+ /** Bitwise-or of DD_* flags. Note that this bitfield may be used before
+ * state validation so they need to always be current.
+ */
+ GLbitfield _TriangleCaps;
+ GLbitfield _ImageTransferState;/**< bitwise-or of IMAGE_*_BIT flags */
+ GLfloat _EyeZDir[3];
+ GLfloat _ModelViewInvScale;
+ GLboolean _NeedEyeCoords;
+ GLboolean _ForceEyeCoords;
+
+ GLuint TextureStateTimestamp; /**< detect changes to shared state */
+
+ struct gl_shine_tab *_ShineTable[2]; /**< Active shine tables */
+ struct gl_shine_tab *_ShineTabList; /**< MRU list of inactive shine tables */
+ /**@}*/
+
+ struct gl_list_extensions *ListExt; /**< driver dlist extensions */
+
+ /** \name For debugging/development only */
+ /*@{*/
+ GLboolean FirstTimeCurrent;
+ /*@}*/
+
+ /** software compression/decompression supported or not */
+ GLboolean Mesa_DXTn;
+
+ GLboolean TextureFormatSupported[MESA_FORMAT_COUNT];
+
+ /**
+ * Use dp4 (rather than mul/mad) instructions for position
+ * transformation?
+ */
+ GLboolean mvp_with_dp4;
+
+ /**
+ * \name Hooks for module contexts.
+ *
+ * These will eventually live in the driver or elsewhere.
+ */
+ /*@{*/
+ void *swrast_context;
+ void *swsetup_context;
+ void *swtnl_context;
+ void *swtnl_im;
+ struct st_context *st;
+ void *aelt_context;
+ /*@}*/
+};
+
+
+#ifdef DEBUG
+extern int MESA_VERBOSE;
+extern int MESA_DEBUG_FLAGS;
+# define MESA_FUNCTION __FUNCTION__
+#else
+# define MESA_VERBOSE 0
+# define MESA_DEBUG_FLAGS 0
+# define MESA_FUNCTION "a function"
+# ifndef NDEBUG
+# define NDEBUG
+# endif
+#endif
+
+
+/** The MESA_VERBOSE var is a bitmask of these flags */
+enum _verbose
+{
+ VERBOSE_VARRAY = 0x0001,
+ VERBOSE_TEXTURE = 0x0002,
+ VERBOSE_MATERIAL = 0x0004,
+ VERBOSE_PIPELINE = 0x0008,
+ VERBOSE_DRIVER = 0x0010,
+ VERBOSE_STATE = 0x0020,
+ VERBOSE_API = 0x0040,
+ VERBOSE_DISPLAY_LIST = 0x0100,
+ VERBOSE_LIGHTING = 0x0200,
+ VERBOSE_PRIMS = 0x0400,
+ VERBOSE_VERTS = 0x0800,
+ VERBOSE_DISASSEM = 0x1000,
+ VERBOSE_DRAW = 0x2000,
+ VERBOSE_SWAPBUFFERS = 0x4000
+};
+
+
+/** The MESA_DEBUG_FLAGS var is a bitmask of these flags */
+enum _debug
+{
+ DEBUG_ALWAYS_FLUSH = 0x1
+};
+
+
+
+#endif /* MTYPES_H */
diff --git a/mesalib/src/mesa/main/pixel.c b/mesalib/src/mesa/main/pixel.c
index da99c9b6f..5a14eb2d4 100644
--- a/mesalib/src/mesa/main/pixel.c
+++ b/mesalib/src/mesa/main/pixel.c
@@ -1,699 +1,699 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.1
- *
- * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-/**
- * \file pixel.c
- * Pixel transfer functions (glPixelZoom, glPixelMap, glPixelTransfer)
- */
-
-#include "glheader.h"
-#include "bufferobj.h"
-#include "colormac.h"
-#include "context.h"
-#include "macros.h"
-#include "mfeatures.h"
-#include "pixel.h"
-#include "pbo.h"
-#include "mtypes.h"
-#include "main/dispatch.h"
-
-
-#if FEATURE_pixel_transfer
-
-
-/**********************************************************************/
-/***** glPixelZoom *****/
-/**********************************************************************/
-
-static void GLAPIENTRY
-_mesa_PixelZoom( GLfloat xfactor, GLfloat yfactor )
-{
- GET_CURRENT_CONTEXT(ctx);
-
- if (ctx->Pixel.ZoomX == xfactor &&
- ctx->Pixel.ZoomY == yfactor)
- return;
-
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.ZoomX = xfactor;
- ctx->Pixel.ZoomY = yfactor;
-}
-
-
-
-/**********************************************************************/
-/***** glPixelMap *****/
-/**********************************************************************/
-
-/**
- * Return pointer to a pixelmap by name.
- */
-static struct gl_pixelmap *
-get_pixelmap(struct gl_context *ctx, GLenum map)
-{
- switch (map) {
- case GL_PIXEL_MAP_I_TO_I:
- return &ctx->PixelMaps.ItoI;
- case GL_PIXEL_MAP_S_TO_S:
- return &ctx->PixelMaps.StoS;
- case GL_PIXEL_MAP_I_TO_R:
- return &ctx->PixelMaps.ItoR;
- case GL_PIXEL_MAP_I_TO_G:
- return &ctx->PixelMaps.ItoG;
- case GL_PIXEL_MAP_I_TO_B:
- return &ctx->PixelMaps.ItoB;
- case GL_PIXEL_MAP_I_TO_A:
- return &ctx->PixelMaps.ItoA;
- case GL_PIXEL_MAP_R_TO_R:
- return &ctx->PixelMaps.RtoR;
- case GL_PIXEL_MAP_G_TO_G:
- return &ctx->PixelMaps.GtoG;
- case GL_PIXEL_MAP_B_TO_B:
- return &ctx->PixelMaps.BtoB;
- case GL_PIXEL_MAP_A_TO_A:
- return &ctx->PixelMaps.AtoA;
- default:
- return NULL;
- }
-}
-
-
-/**
- * Helper routine used by the other _mesa_PixelMap() functions.
- */
-static void
-store_pixelmap(struct gl_context *ctx, GLenum map, GLsizei mapsize,
- const GLfloat *values)
-{
- GLint i;
- struct gl_pixelmap *pm = get_pixelmap(ctx, map);
- if (!pm) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glPixelMap(map)");
- return;
- }
-
- switch (map) {
- case GL_PIXEL_MAP_S_TO_S:
- /* special case */
- ctx->PixelMaps.StoS.Size = mapsize;
- for (i = 0; i < mapsize; i++) {
- ctx->PixelMaps.StoS.Map[i] = (GLfloat)IROUND(values[i]);
- }
- break;
- case GL_PIXEL_MAP_I_TO_I:
- /* special case */
- ctx->PixelMaps.ItoI.Size = mapsize;
- for (i = 0; i < mapsize; i++) {
- ctx->PixelMaps.ItoI.Map[i] = values[i];
- }
- break;
- default:
- /* general case */
- pm->Size = mapsize;
- for (i = 0; i < mapsize; i++) {
- GLfloat val = CLAMP(values[i], 0.0F, 1.0F);
- pm->Map[i] = val;
- pm->Map8[i] = (GLint) (val * 255.0F);
- }
- }
-}
-
-
-/**
- * Convenience wrapper for _mesa_validate_pbo_access() for gl[Get]PixelMap().
- */
-static GLboolean
-validate_pbo_access(struct gl_context *ctx, struct gl_pixelstore_attrib *pack,
- GLsizei mapsize, GLenum format, GLenum type,
- const GLvoid *ptr)
-{
- GLboolean ok;
-
- /* Note, need to use DefaultPacking and Unpack's buffer object */
- _mesa_reference_buffer_object(ctx,
- &ctx->DefaultPacking.BufferObj,
- pack->BufferObj);
-
- ok = _mesa_validate_pbo_access(1, &ctx->DefaultPacking, mapsize, 1, 1,
- format, type, ptr);
-
- /* restore */
- _mesa_reference_buffer_object(ctx,
- &ctx->DefaultPacking.BufferObj,
- ctx->Shared->NullBufferObj);
-
- if (!ok) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glPixelMap(invalid PBO access)");
- }
- return ok;
-}
-
-
-static void GLAPIENTRY
-_mesa_PixelMapfv( GLenum map, GLsizei mapsize, const GLfloat *values )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- /* XXX someday, test against ctx->Const.MaxPixelMapTableSize */
- if (mapsize < 1 || mapsize > MAX_PIXEL_MAP_TABLE) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapfv(mapsize)" );
- return;
- }
-
- if (map >= GL_PIXEL_MAP_S_TO_S && map <= GL_PIXEL_MAP_I_TO_A) {
- /* test that mapsize is a power of two */
- if (!_mesa_is_pow_two(mapsize)) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapfv(mapsize)" );
- return;
- }
- }
-
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
-
- if (!validate_pbo_access(ctx, &ctx->Unpack, mapsize,
- GL_INTENSITY, GL_FLOAT, values)) {
- return;
- }
-
- values = (const GLfloat *) _mesa_map_pbo_source(ctx, &ctx->Unpack, values);
- if (!values) {
- if (_mesa_is_bufferobj(ctx->Unpack.BufferObj)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glPixelMapfv(PBO is mapped)");
- }
- return;
- }
-
- store_pixelmap(ctx, map, mapsize, values);
-
- _mesa_unmap_pbo_source(ctx, &ctx->Unpack);
-}
-
-
-static void GLAPIENTRY
-_mesa_PixelMapuiv(GLenum map, GLsizei mapsize, const GLuint *values )
-{
- GLfloat fvalues[MAX_PIXEL_MAP_TABLE];
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (mapsize < 1 || mapsize > MAX_PIXEL_MAP_TABLE) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapuiv(mapsize)" );
- return;
- }
-
- if (map >= GL_PIXEL_MAP_S_TO_S && map <= GL_PIXEL_MAP_I_TO_A) {
- /* test that mapsize is a power of two */
- if (!_mesa_is_pow_two(mapsize)) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapuiv(mapsize)" );
- return;
- }
- }
-
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
-
- if (!validate_pbo_access(ctx, &ctx->Unpack, mapsize,
- GL_INTENSITY, GL_UNSIGNED_INT, values)) {
- return;
- }
-
- values = (const GLuint *) _mesa_map_pbo_source(ctx, &ctx->Unpack, values);
- if (!values) {
- if (_mesa_is_bufferobj(ctx->Unpack.BufferObj)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glPixelMapuiv(PBO is mapped)");
- }
- return;
- }
-
- /* convert to floats */
- if (map == GL_PIXEL_MAP_I_TO_I || map == GL_PIXEL_MAP_S_TO_S) {
- GLint i;
- for (i = 0; i < mapsize; i++) {
- fvalues[i] = (GLfloat) values[i];
- }
- }
- else {
- GLint i;
- for (i = 0; i < mapsize; i++) {
- fvalues[i] = UINT_TO_FLOAT( values[i] );
- }
- }
-
- _mesa_unmap_pbo_source(ctx, &ctx->Unpack);
-
- store_pixelmap(ctx, map, mapsize, fvalues);
-}
-
-
-static void GLAPIENTRY
-_mesa_PixelMapusv(GLenum map, GLsizei mapsize, const GLushort *values )
-{
- GLfloat fvalues[MAX_PIXEL_MAP_TABLE];
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (mapsize < 1 || mapsize > MAX_PIXEL_MAP_TABLE) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapusv(mapsize)" );
- return;
- }
-
- if (map >= GL_PIXEL_MAP_S_TO_S && map <= GL_PIXEL_MAP_I_TO_A) {
- /* test that mapsize is a power of two */
- if (!_mesa_is_pow_two(mapsize)) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapuiv(mapsize)" );
- return;
- }
- }
-
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
-
- if (!validate_pbo_access(ctx, &ctx->Unpack, mapsize,
- GL_INTENSITY, GL_UNSIGNED_SHORT, values)) {
- return;
- }
-
- values = (const GLushort *) _mesa_map_pbo_source(ctx, &ctx->Unpack, values);
- if (!values) {
- if (_mesa_is_bufferobj(ctx->Unpack.BufferObj)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glPixelMapusv(PBO is mapped)");
- }
- return;
- }
-
- /* convert to floats */
- if (map == GL_PIXEL_MAP_I_TO_I || map == GL_PIXEL_MAP_S_TO_S) {
- GLint i;
- for (i = 0; i < mapsize; i++) {
- fvalues[i] = (GLfloat) values[i];
- }
- }
- else {
- GLint i;
- for (i = 0; i < mapsize; i++) {
- fvalues[i] = USHORT_TO_FLOAT( values[i] );
- }
- }
-
- _mesa_unmap_pbo_source(ctx, &ctx->Unpack);
-
- store_pixelmap(ctx, map, mapsize, fvalues);
-}
-
-
-static void GLAPIENTRY
-_mesa_GetPixelMapfv( GLenum map, GLfloat *values )
-{
- GET_CURRENT_CONTEXT(ctx);
- GLuint mapsize, i;
- const struct gl_pixelmap *pm;
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- pm = get_pixelmap(ctx, map);
- if (!pm) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetPixelMapfv(map)");
- return;
- }
-
- mapsize = pm->Size;
-
- if (!validate_pbo_access(ctx, &ctx->Pack, mapsize,
- GL_INTENSITY, GL_FLOAT, values)) {
- return;
- }
-
- values = (GLfloat *) _mesa_map_pbo_dest(ctx, &ctx->Pack, values);
- if (!values) {
- if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetPixelMapfv(PBO is mapped)");
- }
- return;
- }
-
- if (map == GL_PIXEL_MAP_S_TO_S) {
- /* special case */
- for (i = 0; i < mapsize; i++) {
- values[i] = (GLfloat) ctx->PixelMaps.StoS.Map[i];
- }
- }
- else {
- memcpy(values, pm->Map, mapsize * sizeof(GLfloat));
- }
-
- _mesa_unmap_pbo_dest(ctx, &ctx->Pack);
-}
-
-
-static void GLAPIENTRY
-_mesa_GetPixelMapuiv( GLenum map, GLuint *values )
-{
- GET_CURRENT_CONTEXT(ctx);
- GLint mapsize, i;
- const struct gl_pixelmap *pm;
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- pm = get_pixelmap(ctx, map);
- if (!pm) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetPixelMapuiv(map)");
- return;
- }
- mapsize = pm->Size;
-
- if (!validate_pbo_access(ctx, &ctx->Pack, mapsize,
- GL_INTENSITY, GL_UNSIGNED_INT, values)) {
- return;
- }
-
- values = (GLuint *) _mesa_map_pbo_dest(ctx, &ctx->Pack, values);
- if (!values) {
- if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetPixelMapuiv(PBO is mapped)");
- }
- return;
- }
-
- if (map == GL_PIXEL_MAP_S_TO_S) {
- /* special case */
- memcpy(values, ctx->PixelMaps.StoS.Map, mapsize * sizeof(GLint));
- }
- else {
- for (i = 0; i < mapsize; i++) {
- values[i] = FLOAT_TO_UINT( pm->Map[i] );
- }
- }
-
- _mesa_unmap_pbo_dest(ctx, &ctx->Pack);
-}
-
-
-static void GLAPIENTRY
-_mesa_GetPixelMapusv( GLenum map, GLushort *values )
-{
- GET_CURRENT_CONTEXT(ctx);
- GLint mapsize, i;
- const struct gl_pixelmap *pm;
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- pm = get_pixelmap(ctx, map);
- if (!pm) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetPixelMapusv(map)");
- return;
- }
- mapsize = pm->Size;
-
- if (!validate_pbo_access(ctx, &ctx->Pack, mapsize,
- GL_INTENSITY, GL_UNSIGNED_SHORT, values)) {
- return;
- }
-
- values = (GLushort *) _mesa_map_pbo_dest(ctx, &ctx->Pack, values);
- if (!values) {
- if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetPixelMapusv(PBO is mapped)");
- }
- return;
- }
-
- switch (map) {
- /* special cases */
- case GL_PIXEL_MAP_I_TO_I:
- for (i = 0; i < mapsize; i++) {
- values[i] = (GLushort) CLAMP(ctx->PixelMaps.ItoI.Map[i], 0.0, 65535.);
- }
- break;
- case GL_PIXEL_MAP_S_TO_S:
- for (i = 0; i < mapsize; i++) {
- values[i] = (GLushort) CLAMP(ctx->PixelMaps.StoS.Map[i], 0.0, 65535.);
- }
- break;
- default:
- for (i = 0; i < mapsize; i++) {
- CLAMPED_FLOAT_TO_USHORT(values[i], pm->Map[i] );
- }
- }
-
- _mesa_unmap_pbo_dest(ctx, &ctx->Pack);
-}
-
-
-
-/**********************************************************************/
-/***** glPixelTransfer *****/
-/**********************************************************************/
-
-
-/*
- * Implements glPixelTransfer[fi] whether called immediately or from a
- * display list.
- */
-static void GLAPIENTRY
-_mesa_PixelTransferf( GLenum pname, GLfloat param )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- switch (pname) {
- case GL_MAP_COLOR:
- if (ctx->Pixel.MapColorFlag == (param ? GL_TRUE : GL_FALSE))
- return;
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.MapColorFlag = param ? GL_TRUE : GL_FALSE;
- break;
- case GL_MAP_STENCIL:
- if (ctx->Pixel.MapStencilFlag == (param ? GL_TRUE : GL_FALSE))
- return;
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.MapStencilFlag = param ? GL_TRUE : GL_FALSE;
- break;
- case GL_INDEX_SHIFT:
- if (ctx->Pixel.IndexShift == (GLint) param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.IndexShift = (GLint) param;
- break;
- case GL_INDEX_OFFSET:
- if (ctx->Pixel.IndexOffset == (GLint) param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.IndexOffset = (GLint) param;
- break;
- case GL_RED_SCALE:
- if (ctx->Pixel.RedScale == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.RedScale = param;
- break;
- case GL_RED_BIAS:
- if (ctx->Pixel.RedBias == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.RedBias = param;
- break;
- case GL_GREEN_SCALE:
- if (ctx->Pixel.GreenScale == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.GreenScale = param;
- break;
- case GL_GREEN_BIAS:
- if (ctx->Pixel.GreenBias == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.GreenBias = param;
- break;
- case GL_BLUE_SCALE:
- if (ctx->Pixel.BlueScale == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.BlueScale = param;
- break;
- case GL_BLUE_BIAS:
- if (ctx->Pixel.BlueBias == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.BlueBias = param;
- break;
- case GL_ALPHA_SCALE:
- if (ctx->Pixel.AlphaScale == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.AlphaScale = param;
- break;
- case GL_ALPHA_BIAS:
- if (ctx->Pixel.AlphaBias == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.AlphaBias = param;
- break;
- case GL_DEPTH_SCALE:
- if (ctx->Pixel.DepthScale == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.DepthScale = param;
- break;
- case GL_DEPTH_BIAS:
- if (ctx->Pixel.DepthBias == param)
- return;
- FLUSH_VERTICES(ctx, _NEW_PIXEL);
- ctx->Pixel.DepthBias = param;
- break;
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glPixelTransfer(pname)" );
- return;
- }
-}
-
-
-static void GLAPIENTRY
-_mesa_PixelTransferi( GLenum pname, GLint param )
-{
- _mesa_PixelTransferf( pname, (GLfloat) param );
-}
-
-
-
-/**********************************************************************/
-/***** State Management *****/
-/**********************************************************************/
-
-/*
- * Return a bitmask of IMAGE_*_BIT flags which to indicate which
- * pixel transfer operations are enabled.
- */
-static void
-update_image_transfer_state(struct gl_context *ctx)
-{
- GLuint mask = 0;
-
- if (ctx->Pixel.RedScale != 1.0F || ctx->Pixel.RedBias != 0.0F ||
- ctx->Pixel.GreenScale != 1.0F || ctx->Pixel.GreenBias != 0.0F ||
- ctx->Pixel.BlueScale != 1.0F || ctx->Pixel.BlueBias != 0.0F ||
- ctx->Pixel.AlphaScale != 1.0F || ctx->Pixel.AlphaBias != 0.0F)
- mask |= IMAGE_SCALE_BIAS_BIT;
-
- if (ctx->Pixel.IndexShift || ctx->Pixel.IndexOffset)
- mask |= IMAGE_SHIFT_OFFSET_BIT;
-
- if (ctx->Pixel.MapColorFlag)
- mask |= IMAGE_MAP_COLOR_BIT;
-
- ctx->_ImageTransferState = mask;
-}
-
-
-/**
- * Update mesa pixel transfer derived state.
- */
-void _mesa_update_pixel( struct gl_context *ctx, GLuint new_state )
-{
- if (new_state & _NEW_PIXEL)
- update_image_transfer_state(ctx);
-}
-
-
-void
-_mesa_init_pixel_dispatch(struct _glapi_table *disp)
-{
- SET_GetPixelMapfv(disp, _mesa_GetPixelMapfv);
- SET_GetPixelMapuiv(disp, _mesa_GetPixelMapuiv);
- SET_GetPixelMapusv(disp, _mesa_GetPixelMapusv);
- SET_PixelMapfv(disp, _mesa_PixelMapfv);
- SET_PixelMapuiv(disp, _mesa_PixelMapuiv);
- SET_PixelMapusv(disp, _mesa_PixelMapusv);
- SET_PixelTransferf(disp, _mesa_PixelTransferf);
- SET_PixelTransferi(disp, _mesa_PixelTransferi);
- SET_PixelZoom(disp, _mesa_PixelZoom);
-}
-
-
-#endif /* FEATURE_pixel_transfer */
-
-
-/**********************************************************************/
-/***** Initialization *****/
-/**********************************************************************/
-
-static void
-init_pixelmap(struct gl_pixelmap *map)
-{
- map->Size = 1;
- map->Map[0] = 0.0;
- map->Map8[0] = 0;
-}
-
-
-/**
- * Initialize the context's PIXEL attribute group.
- */
-void
-_mesa_init_pixel( struct gl_context *ctx )
-{
- /* Pixel group */
- ctx->Pixel.RedBias = 0.0;
- ctx->Pixel.RedScale = 1.0;
- ctx->Pixel.GreenBias = 0.0;
- ctx->Pixel.GreenScale = 1.0;
- ctx->Pixel.BlueBias = 0.0;
- ctx->Pixel.BlueScale = 1.0;
- ctx->Pixel.AlphaBias = 0.0;
- ctx->Pixel.AlphaScale = 1.0;
- ctx->Pixel.DepthBias = 0.0;
- ctx->Pixel.DepthScale = 1.0;
- ctx->Pixel.IndexOffset = 0;
- ctx->Pixel.IndexShift = 0;
- ctx->Pixel.ZoomX = 1.0;
- ctx->Pixel.ZoomY = 1.0;
- ctx->Pixel.MapColorFlag = GL_FALSE;
- ctx->Pixel.MapStencilFlag = GL_FALSE;
- init_pixelmap(&ctx->PixelMaps.StoS);
- init_pixelmap(&ctx->PixelMaps.ItoI);
- init_pixelmap(&ctx->PixelMaps.ItoR);
- init_pixelmap(&ctx->PixelMaps.ItoG);
- init_pixelmap(&ctx->PixelMaps.ItoB);
- init_pixelmap(&ctx->PixelMaps.ItoA);
- init_pixelmap(&ctx->PixelMaps.RtoR);
- init_pixelmap(&ctx->PixelMaps.GtoG);
- init_pixelmap(&ctx->PixelMaps.BtoB);
- init_pixelmap(&ctx->PixelMaps.AtoA);
-
- if (ctx->Visual.doubleBufferMode) {
- ctx->Pixel.ReadBuffer = GL_BACK;
- }
- else {
- ctx->Pixel.ReadBuffer = GL_FRONT;
- }
-
- /* Miscellaneous */
- ctx->_ImageTransferState = 0;
-}
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.1
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/**
+ * \file pixel.c
+ * Pixel transfer functions (glPixelZoom, glPixelMap, glPixelTransfer)
+ */
+
+#include "glheader.h"
+#include "bufferobj.h"
+#include "colormac.h"
+#include "context.h"
+#include "macros.h"
+#include "mfeatures.h"
+#include "pixel.h"
+#include "pbo.h"
+#include "mtypes.h"
+#include "main/dispatch.h"
+
+
+#if FEATURE_pixel_transfer
+
+
+/**********************************************************************/
+/***** glPixelZoom *****/
+/**********************************************************************/
+
+static void GLAPIENTRY
+_mesa_PixelZoom( GLfloat xfactor, GLfloat yfactor )
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (ctx->Pixel.ZoomX == xfactor &&
+ ctx->Pixel.ZoomY == yfactor)
+ return;
+
+ FLUSH_VERTICES(ctx, _NEW_PIXEL);
+ ctx->Pixel.ZoomX = xfactor;
+ ctx->Pixel.ZoomY = yfactor;
+}
+
+
+
+/**********************************************************************/
+/***** glPixelMap *****/
+/**********************************************************************/
+
+/**
+ * Return pointer to a pixelmap by name.
+ */
+static struct gl_pixelmap *
+get_pixelmap(struct gl_context *ctx, GLenum map)
+{
+ switch (map) {
+ case GL_PIXEL_MAP_I_TO_I:
+ return &ctx->PixelMaps.ItoI;
+ case GL_PIXEL_MAP_S_TO_S:
+ return &ctx->PixelMaps.StoS;
+ case GL_PIXEL_MAP_I_TO_R:
+ return &ctx->PixelMaps.ItoR;
+ case GL_PIXEL_MAP_I_TO_G:
+ return &ctx->PixelMaps.ItoG;
+ case GL_PIXEL_MAP_I_TO_B:
+ return &ctx->PixelMaps.ItoB;
+ case GL_PIXEL_MAP_I_TO_A:
+ return &ctx->PixelMaps.ItoA;
+ case GL_PIXEL_MAP_R_TO_R:
+ return &ctx->PixelMaps.RtoR;
+ case GL_PIXEL_MAP_G_TO_G:
+ return &ctx->PixelMaps.GtoG;
+ case GL_PIXEL_MAP_B_TO_B:
+ return &ctx->PixelMaps.BtoB;
+ case GL_PIXEL_MAP_A_TO_A:
+ return &ctx->PixelMaps.AtoA;
+ default:
+ return NULL;
+ }
+}
+
+
+/**
+ * Helper routine used by the other _mesa_PixelMap() functions.
+ */
+static void
+store_pixelmap(struct gl_context *ctx, GLenum map, GLsizei mapsize,
+ const GLfloat *values)
+{
+ GLint i;
+ struct gl_pixelmap *pm = get_pixelmap(ctx, map);
+ if (!pm) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glPixelMap(map)");
+ return;
+ }
+
+ switch (map) {
+ case GL_PIXEL_MAP_S_TO_S:
+ /* special case */
+ ctx->PixelMaps.StoS.Size = mapsize;
+ for (i = 0; i < mapsize; i++) {
+ ctx->PixelMaps.StoS.Map[i] = (GLfloat)IROUND(values[i]);
+ }
+ break;
+ case GL_PIXEL_MAP_I_TO_I:
+ /* special case */
+ ctx->PixelMaps.ItoI.Size = mapsize;
+ for (i = 0; i < mapsize; i++) {
+ ctx->PixelMaps.ItoI.Map[i] = values[i];
+ }
+ break;
+ default:
+ /* general case */
+ pm->Size = mapsize;
+ for (i = 0; i < mapsize; i++) {
+ GLfloat val = CLAMP(values[i], 0.0F, 1.0F);
+ pm->Map[i] = val;
+ pm->Map8[i] = (GLint) (val * 255.0F);
+ }
+ }
+}
+
+
+/**
+ * Convenience wrapper for _mesa_validate_pbo_access() for gl[Get]PixelMap().
+ */
+static GLboolean
+validate_pbo_access(struct gl_context *ctx, struct gl_pixelstore_attrib *pack,
+ GLsizei mapsize, GLenum format, GLenum type,
+ const GLvoid *ptr)
+{
+ GLboolean ok;
+
+ /* Note, need to use DefaultPacking and Unpack's buffer object */
+ _mesa_reference_buffer_object(ctx,
+ &ctx->DefaultPacking.BufferObj,
+ pack->BufferObj);
+
+ ok = _mesa_validate_pbo_access(1, &ctx->DefaultPacking, mapsize, 1, 1,
+ format, type, ptr);
+
+ /* restore */
+ _mesa_reference_buffer_object(ctx,
+ &ctx->DefaultPacking.BufferObj,
+ ctx->Shared->NullBufferObj);
+
+ if (!ok) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glPixelMap(invalid PBO access)");
+ }
+ return ok;
+}
+
+
+static void GLAPIENTRY
+_mesa_PixelMapfv( GLenum map, GLsizei mapsize, const GLfloat *values )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ /* XXX someday, test against ctx->Const.MaxPixelMapTableSize */
+ if (mapsize < 1 || mapsize > MAX_PIXEL_MAP_TABLE) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapfv(mapsize)" );
+ return;
+ }
+
+ if (map >= GL_PIXEL_MAP_S_TO_S && map <= GL_PIXEL_MAP_I_TO_A) {
+ /* test that mapsize is a power of two */
+ if (!_mesa_is_pow_two(mapsize)) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapfv(mapsize)" );
+ return;
+ }
+ }
+
+ FLUSH_VERTICES(ctx, _NEW_PIXEL);
+
+ if (!validate_pbo_access(ctx, &ctx->Unpack, mapsize,
+ GL_INTENSITY, GL_FLOAT, values)) {
+ return;
+ }
+
+ values = (const GLfloat *) _mesa_map_pbo_source(ctx, &ctx->Unpack, values);
+ if (!values) {
+ if (_mesa_is_bufferobj(ctx->Unpack.BufferObj)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glPixelMapfv(PBO is mapped)");
+ }
+ return;
+ }
+
+ store_pixelmap(ctx, map, mapsize, values);
+
+ _mesa_unmap_pbo_source(ctx, &ctx->Unpack);
+}
+
+
+static void GLAPIENTRY
+_mesa_PixelMapuiv(GLenum map, GLsizei mapsize, const GLuint *values )
+{
+ GLfloat fvalues[MAX_PIXEL_MAP_TABLE];
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (mapsize < 1 || mapsize > MAX_PIXEL_MAP_TABLE) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapuiv(mapsize)" );
+ return;
+ }
+
+ if (map >= GL_PIXEL_MAP_S_TO_S && map <= GL_PIXEL_MAP_I_TO_A) {
+ /* test that mapsize is a power of two */
+ if (!_mesa_is_pow_two(mapsize)) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapuiv(mapsize)" );
+ return;
+ }
+ }
+
+ FLUSH_VERTICES(ctx, _NEW_PIXEL);
+
+ if (!validate_pbo_access(ctx, &ctx->Unpack, mapsize,
+ GL_INTENSITY, GL_UNSIGNED_INT, values)) {
+ return;
+ }
+
+ values = (const GLuint *) _mesa_map_pbo_source(ctx, &ctx->Unpack, values);
+ if (!values) {
+ if (_mesa_is_bufferobj(ctx->Unpack.BufferObj)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glPixelMapuiv(PBO is mapped)");
+ }
+ return;
+ }
+
+ /* convert to floats */
+ if (map == GL_PIXEL_MAP_I_TO_I || map == GL_PIXEL_MAP_S_TO_S) {
+ GLint i;
+ for (i = 0; i < mapsize; i++) {
+ fvalues[i] = (GLfloat) values[i];
+ }
+ }
+ else {
+ GLint i;
+ for (i = 0; i < mapsize; i++) {
+ fvalues[i] = UINT_TO_FLOAT( values[i] );
+ }
+ }
+
+ _mesa_unmap_pbo_source(ctx, &ctx->Unpack);
+
+ store_pixelmap(ctx, map, mapsize, fvalues);
+}
+
+
+static void GLAPIENTRY
+_mesa_PixelMapusv(GLenum map, GLsizei mapsize, const GLushort *values )
+{
+ GLfloat fvalues[MAX_PIXEL_MAP_TABLE];
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (mapsize < 1 || mapsize > MAX_PIXEL_MAP_TABLE) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapusv(mapsize)" );
+ return;
+ }
+
+ if (map >= GL_PIXEL_MAP_S_TO_S && map <= GL_PIXEL_MAP_I_TO_A) {
+ /* test that mapsize is a power of two */
+ if (!_mesa_is_pow_two(mapsize)) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapuiv(mapsize)" );
+ return;
+ }
+ }
+
+ FLUSH_VERTICES(ctx, _NEW_PIXEL);
+
+ if (!validate_pbo_access(ctx, &ctx->Unpack, mapsize,
+ GL_INTENSITY, GL_UNSIGNED_SHORT, values)) {
+ return;
+ }
+
+ values = (const GLushort *) _mesa_map_pbo_source(ctx, &ctx->Unpack, values);
+ if (!values) {
+ if (_mesa_is_bufferobj(ctx->Unpack.BufferObj)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glPixelMapusv(PBO is mapped)");
+ }
+ return;
+ }
+
+ /* convert to floats */
+ if (map == GL_PIXEL_MAP_I_TO_I || map == GL_PIXEL_MAP_S_TO_S) {
+ GLint i;
+ for (i = 0; i < mapsize; i++) {
+ fvalues[i] = (GLfloat) values[i];
+ }
+ }
+ else {
+ GLint i;
+ for (i = 0; i < mapsize; i++) {
+ fvalues[i] = USHORT_TO_FLOAT( values[i] );
+ }
+ }
+
+ _mesa_unmap_pbo_source(ctx, &ctx->Unpack);
+
+ store_pixelmap(ctx, map, mapsize, fvalues);
+}
+
+
+static void GLAPIENTRY
+_mesa_GetPixelMapfv( GLenum map, GLfloat *values )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ GLuint mapsize, i;
+ const struct gl_pixelmap *pm;
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ pm = get_pixelmap(ctx, map);
+ if (!pm) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetPixelMapfv(map)");
+ return;
+ }
+
+ mapsize = pm->Size;
+
+ if (!validate_pbo_access(ctx, &ctx->Pack, mapsize,
+ GL_INTENSITY, GL_FLOAT, values)) {
+ return;
+ }
+
+ values = (GLfloat *) _mesa_map_pbo_dest(ctx, &ctx->Pack, values);
+ if (!values) {
+ if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetPixelMapfv(PBO is mapped)");
+ }
+ return;
+ }
+
+ if (map == GL_PIXEL_MAP_S_TO_S) {
+ /* special case */
+ for (i = 0; i < mapsize; i++) {
+ values[i] = (GLfloat) ctx->PixelMaps.StoS.Map[i];
+ }
+ }
+ else {
+ memcpy(values, pm->Map, mapsize * sizeof(GLfloat));
+ }
+
+ _mesa_unmap_pbo_dest(ctx, &ctx->Pack);
+}
+
+
+static void GLAPIENTRY
+_mesa_GetPixelMapuiv( GLenum map, GLuint *values )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ GLint mapsize, i;
+ const struct gl_pixelmap *pm;
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ pm = get_pixelmap(ctx, map);
+ if (!pm) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetPixelMapuiv(map)");
+ return;
+ }
+ mapsize = pm->Size;
+
+ if (!validate_pbo_access(ctx, &ctx->Pack, mapsize,
+ GL_INTENSITY, GL_UNSIGNED_INT, values)) {
+ return;
+ }
+
+ values = (GLuint *) _mesa_map_pbo_dest(ctx, &ctx->Pack, values);
+ if (!values) {
+ if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetPixelMapuiv(PBO is mapped)");
+ }
+ return;
+ }
+
+ if (map == GL_PIXEL_MAP_S_TO_S) {
+ /* special case */
+ memcpy(values, ctx->PixelMaps.StoS.Map, mapsize * sizeof(GLint));
+ }
+ else {
+ for (i = 0; i < mapsize; i++) {
+ values[i] = FLOAT_TO_UINT( pm->Map[i] );
+ }
+ }
+
+ _mesa_unmap_pbo_dest(ctx, &ctx->Pack);
+}
+
+
+static void GLAPIENTRY
+_mesa_GetPixelMapusv( GLenum map, GLushort *values )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ GLint mapsize, i;
+ const struct gl_pixelmap *pm;
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ pm = get_pixelmap(ctx, map);
+ if (!pm) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetPixelMapusv(map)");
+ return;
+ }
+ mapsize = pm->Size;
+
+ if (!validate_pbo_access(ctx, &ctx->Pack, mapsize,
+ GL_INTENSITY, GL_UNSIGNED_SHORT, values)) {
+ return;
+ }
+
+ values = (GLushort *) _mesa_map_pbo_dest(ctx, &ctx->Pack, values);
+ if (!values) {
+ if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetPixelMapusv(PBO is mapped)");
+ }
+ return;
+ }
+
+ switch (map) {
+ /* special cases */
+ case GL_PIXEL_MAP_I_TO_I:
+ for (i = 0; i < mapsize; i++) {
+ values[i] = (GLushort) CLAMP(ctx->PixelMaps.ItoI.Map[i], 0.0, 65535.);
+ }
+ break;
+ case GL_PIXEL_MAP_S_TO_S:
+ for (i = 0; i < mapsize; i++) {
+ values[i] = (GLushort) CLAMP(ctx->PixelMaps.StoS.Map[i], 0.0, 65535.);
+ }
+ break;
+ default:
+ for (i = 0; i < mapsize; i++) {
+ CLAMPED_FLOAT_TO_USHORT(values[i], pm->Map[i] );
+ }
+ }
+
+ _mesa_unmap_pbo_dest(ctx, &ctx->Pack);
+}
+
+
+
+/**********************************************************************/
+/***** glPixelTransfer *****/
+/**********************************************************************/
+
+
+/*
+ * Implements glPixelTransfer[fi] whether called immediately or from a
+ * display list.
+ */
+static void GLAPIENTRY
+_mesa_PixelTransferf( GLenum pname, GLfloat param )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ switch (pname) {
+ case GL_MAP_COLOR:
+ if (ctx->Pixel.MapColorFlag == (param ? GL_TRUE : GL_FALSE))
+ return;
+ FLUSH_VERTICES(ctx, _NEW_PIXEL);
+ ctx->Pixel.MapColorFlag = param ? GL_TRUE : GL_FALSE;
+ break;
+ case GL_MAP_STENCIL:
+ if (ctx->Pixel.MapStencilFlag == (param ? GL_TRUE : GL_FALSE))
+ return;
+ FLUSH_VERTICES(ctx, _NEW_PIXEL);
+ ctx->Pixel.MapStencilFlag = param ? GL_TRUE : GL_FALSE;
+ break;
+ case GL_INDEX_SHIFT:
+ if (ctx->Pixel.IndexShift == (GLint) param)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_PIXEL);
+ ctx->Pixel.IndexShift = (GLint) param;
+ break;
+ case GL_INDEX_OFFSET:
+ if (ctx->Pixel.IndexOffset == (GLint) param)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_PIXEL);
+ ctx->Pixel.IndexOffset = (GLint) param;
+ break;
+ case GL_RED_SCALE:
+ if (ctx->Pixel.RedScale == param)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_PIXEL);
+ ctx->Pixel.RedScale = param;
+ break;
+ case GL_RED_BIAS:
+ if (ctx->Pixel.RedBias == param)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_PIXEL);
+ ctx->Pixel.RedBias = param;
+ break;
+ case GL_GREEN_SCALE:
+ if (ctx->Pixel.GreenScale == param)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_PIXEL);
+ ctx->Pixel.GreenScale = param;
+ break;
+ case GL_GREEN_BIAS:
+ if (ctx->Pixel.GreenBias == param)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_PIXEL);
+ ctx->Pixel.GreenBias = param;
+ break;
+ case GL_BLUE_SCALE:
+ if (ctx->Pixel.BlueScale == param)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_PIXEL);
+ ctx->Pixel.BlueScale = param;
+ break;
+ case GL_BLUE_BIAS:
+ if (ctx->Pixel.BlueBias == param)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_PIXEL);
+ ctx->Pixel.BlueBias = param;
+ break;
+ case GL_ALPHA_SCALE:
+ if (ctx->Pixel.AlphaScale == param)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_PIXEL);
+ ctx->Pixel.AlphaScale = param;
+ break;
+ case GL_ALPHA_BIAS:
+ if (ctx->Pixel.AlphaBias == param)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_PIXEL);
+ ctx->Pixel.AlphaBias = param;
+ break;
+ case GL_DEPTH_SCALE:
+ if (ctx->Pixel.DepthScale == param)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_PIXEL);
+ ctx->Pixel.DepthScale = param;
+ break;
+ case GL_DEPTH_BIAS:
+ if (ctx->Pixel.DepthBias == param)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_PIXEL);
+ ctx->Pixel.DepthBias = param;
+ break;
+ default:
+ _mesa_error( ctx, GL_INVALID_ENUM, "glPixelTransfer(pname)" );
+ return;
+ }
+}
+
+
+static void GLAPIENTRY
+_mesa_PixelTransferi( GLenum pname, GLint param )
+{
+ _mesa_PixelTransferf( pname, (GLfloat) param );
+}
+
+
+
+/**********************************************************************/
+/***** State Management *****/
+/**********************************************************************/
+
+/*
+ * Return a bitmask of IMAGE_*_BIT flags which to indicate which
+ * pixel transfer operations are enabled.
+ */
+static void
+update_image_transfer_state(struct gl_context *ctx)
+{
+ GLuint mask = 0;
+
+ if (ctx->Pixel.RedScale != 1.0F || ctx->Pixel.RedBias != 0.0F ||
+ ctx->Pixel.GreenScale != 1.0F || ctx->Pixel.GreenBias != 0.0F ||
+ ctx->Pixel.BlueScale != 1.0F || ctx->Pixel.BlueBias != 0.0F ||
+ ctx->Pixel.AlphaScale != 1.0F || ctx->Pixel.AlphaBias != 0.0F)
+ mask |= IMAGE_SCALE_BIAS_BIT;
+
+ if (ctx->Pixel.IndexShift || ctx->Pixel.IndexOffset)
+ mask |= IMAGE_SHIFT_OFFSET_BIT;
+
+ if (ctx->Pixel.MapColorFlag)
+ mask |= IMAGE_MAP_COLOR_BIT;
+
+ ctx->_ImageTransferState = mask;
+}
+
+
+/**
+ * Update mesa pixel transfer derived state.
+ */
+void _mesa_update_pixel( struct gl_context *ctx, GLuint new_state )
+{
+ if (new_state & _NEW_PIXEL)
+ update_image_transfer_state(ctx);
+}
+
+
+void
+_mesa_init_pixel_dispatch(struct _glapi_table *disp)
+{
+ SET_GetPixelMapfv(disp, _mesa_GetPixelMapfv);
+ SET_GetPixelMapuiv(disp, _mesa_GetPixelMapuiv);
+ SET_GetPixelMapusv(disp, _mesa_GetPixelMapusv);
+ SET_PixelMapfv(disp, _mesa_PixelMapfv);
+ SET_PixelMapuiv(disp, _mesa_PixelMapuiv);
+ SET_PixelMapusv(disp, _mesa_PixelMapusv);
+ SET_PixelTransferf(disp, _mesa_PixelTransferf);
+ SET_PixelTransferi(disp, _mesa_PixelTransferi);
+ SET_PixelZoom(disp, _mesa_PixelZoom);
+}
+
+
+#endif /* FEATURE_pixel_transfer */
+
+
+/**********************************************************************/
+/***** Initialization *****/
+/**********************************************************************/
+
+static void
+init_pixelmap(struct gl_pixelmap *map)
+{
+ map->Size = 1;
+ map->Map[0] = 0.0;
+ map->Map8[0] = 0;
+}
+
+
+/**
+ * Initialize the context's PIXEL attribute group.
+ */
+void
+_mesa_init_pixel( struct gl_context *ctx )
+{
+ /* Pixel group */
+ ctx->Pixel.RedBias = 0.0;
+ ctx->Pixel.RedScale = 1.0;
+ ctx->Pixel.GreenBias = 0.0;
+ ctx->Pixel.GreenScale = 1.0;
+ ctx->Pixel.BlueBias = 0.0;
+ ctx->Pixel.BlueScale = 1.0;
+ ctx->Pixel.AlphaBias = 0.0;
+ ctx->Pixel.AlphaScale = 1.0;
+ ctx->Pixel.DepthBias = 0.0;
+ ctx->Pixel.DepthScale = 1.0;
+ ctx->Pixel.IndexOffset = 0;
+ ctx->Pixel.IndexShift = 0;
+ ctx->Pixel.ZoomX = 1.0;
+ ctx->Pixel.ZoomY = 1.0;
+ ctx->Pixel.MapColorFlag = GL_FALSE;
+ ctx->Pixel.MapStencilFlag = GL_FALSE;
+ init_pixelmap(&ctx->PixelMaps.StoS);
+ init_pixelmap(&ctx->PixelMaps.ItoI);
+ init_pixelmap(&ctx->PixelMaps.ItoR);
+ init_pixelmap(&ctx->PixelMaps.ItoG);
+ init_pixelmap(&ctx->PixelMaps.ItoB);
+ init_pixelmap(&ctx->PixelMaps.ItoA);
+ init_pixelmap(&ctx->PixelMaps.RtoR);
+ init_pixelmap(&ctx->PixelMaps.GtoG);
+ init_pixelmap(&ctx->PixelMaps.BtoB);
+ init_pixelmap(&ctx->PixelMaps.AtoA);
+
+ if (ctx->Visual.doubleBufferMode) {
+ ctx->Pixel.ReadBuffer = GL_BACK;
+ }
+ else {
+ ctx->Pixel.ReadBuffer = GL_FRONT;
+ }
+
+ /* Miscellaneous */
+ ctx->_ImageTransferState = 0;
+}
diff --git a/mesalib/src/mesa/main/polygon.c b/mesalib/src/mesa/main/polygon.c
index ff4232ecc..3ad375901 100644
--- a/mesalib/src/mesa/main/polygon.c
+++ b/mesalib/src/mesa/main/polygon.c
@@ -1,322 +1,322 @@
-/**
- * \file polygon.c
- * Polygon operations.
- */
-
-/*
- * Mesa 3-D graphics library
- * Version: 6.5.1
- *
- * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-#include "glheader.h"
-#include "imports.h"
-#include "context.h"
-#include "image.h"
-#include "enums.h"
-#include "pack.h"
-#include "pbo.h"
-#include "polygon.h"
-#include "mtypes.h"
-
-
-/**
- * Specify whether to cull front- or back-facing facets.
- *
- * \param mode culling mode.
- *
- * \sa glCullFace().
- *
- * Verifies the parameter and updates gl_polygon_attrib::CullFaceMode. On
- * change, flushes the vertices and notifies the driver via
- * the dd_function_table::CullFace callback.
- */
-void GLAPIENTRY
-_mesa_CullFace( GLenum mode )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE&VERBOSE_API)
- _mesa_debug(ctx, "glCullFace %s\n", _mesa_lookup_enum_by_nr(mode));
-
- if (mode!=GL_FRONT && mode!=GL_BACK && mode!=GL_FRONT_AND_BACK) {
- _mesa_error( ctx, GL_INVALID_ENUM, "glCullFace" );
- return;
- }
-
- if (ctx->Polygon.CullFaceMode == mode)
- return;
-
- FLUSH_VERTICES(ctx, _NEW_POLYGON);
- ctx->Polygon.CullFaceMode = mode;
-
- if (ctx->Driver.CullFace)
- ctx->Driver.CullFace( ctx, mode );
-}
-
-
-/**
- * Define front- and back-facing
- *
- * \param mode orientation of front-facing polygons.
- *
- * \sa glFrontFace().
- *
- * Verifies the parameter and updates gl_polygon_attrib::FrontFace. On change
- * flushes the vertices and notifies the driver via
- * the dd_function_table::FrontFace callback.
- */
-void GLAPIENTRY
-_mesa_FrontFace( GLenum mode )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE&VERBOSE_API)
- _mesa_debug(ctx, "glFrontFace %s\n", _mesa_lookup_enum_by_nr(mode));
-
- if (mode!=GL_CW && mode!=GL_CCW) {
- _mesa_error( ctx, GL_INVALID_ENUM, "glFrontFace" );
- return;
- }
-
- if (ctx->Polygon.FrontFace == mode)
- return;
-
- FLUSH_VERTICES(ctx, _NEW_POLYGON);
- ctx->Polygon.FrontFace = mode;
-
- ctx->Polygon._FrontBit = (GLboolean) (mode == GL_CW);
-
- if (ctx->Driver.FrontFace)
- ctx->Driver.FrontFace( ctx, mode );
-}
-
-
-/**
- * Set the polygon rasterization mode.
- *
- * \param face the polygons which \p mode applies to.
- * \param mode how polygons should be rasterized.
- *
- * \sa glPolygonMode().
- *
- * Verifies the parameters and updates gl_polygon_attrib::FrontMode and
- * gl_polygon_attrib::BackMode. On change flushes the vertices and notifies the
- * driver via the dd_function_table::PolygonMode callback.
- */
-void GLAPIENTRY
-_mesa_PolygonMode( GLenum face, GLenum mode )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE&VERBOSE_API)
- _mesa_debug(ctx, "glPolygonMode %s %s\n",
- _mesa_lookup_enum_by_nr(face),
- _mesa_lookup_enum_by_nr(mode));
-
- if (mode!=GL_POINT && mode!=GL_LINE && mode!=GL_FILL) {
- _mesa_error( ctx, GL_INVALID_ENUM, "glPolygonMode(mode)" );
- return;
- }
-
- switch (face) {
- case GL_FRONT:
- if (ctx->Polygon.FrontMode == mode)
- return;
- FLUSH_VERTICES(ctx, _NEW_POLYGON);
- ctx->Polygon.FrontMode = mode;
- break;
- case GL_FRONT_AND_BACK:
- if (ctx->Polygon.FrontMode == mode &&
- ctx->Polygon.BackMode == mode)
- return;
- FLUSH_VERTICES(ctx, _NEW_POLYGON);
- ctx->Polygon.FrontMode = mode;
- ctx->Polygon.BackMode = mode;
- break;
- case GL_BACK:
- if (ctx->Polygon.BackMode == mode)
- return;
- FLUSH_VERTICES(ctx, _NEW_POLYGON);
- ctx->Polygon.BackMode = mode;
- break;
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glPolygonMode(face)" );
- return;
- }
-
- if (ctx->Polygon.FrontMode == GL_FILL && ctx->Polygon.BackMode == GL_FILL)
- ctx->_TriangleCaps &= ~DD_TRI_UNFILLED;
- else
- ctx->_TriangleCaps |= DD_TRI_UNFILLED;
-
- if (ctx->Driver.PolygonMode)
- ctx->Driver.PolygonMode(ctx, face, mode);
-}
-
-#if _HAVE_FULL_GL
-
-
-/**
- * This routine updates the ctx->Polygon.Stipple state.
- * If we're getting the stipple data from a PBO, we map the buffer
- * in order to access the data.
- * In any case, we obey the current pixel unpacking parameters when fetching
- * the stipple data.
- *
- * In the future, this routine should be used as a fallback, called via
- * ctx->Driver.PolygonStipple(). We'll have to update all the DRI drivers
- * too.
- */
-void
-_mesa_polygon_stipple(struct gl_context *ctx, const GLubyte *pattern)
-{
- pattern = _mesa_map_validate_pbo_source(ctx, 2,
- &ctx->Unpack, 32, 32, 1,
- GL_COLOR_INDEX, GL_BITMAP, pattern,
- "glPolygonStipple");
- if (!pattern)
- return;
-
- _mesa_unpack_polygon_stipple(pattern, ctx->PolygonStipple, &ctx->Unpack);
-
- _mesa_unmap_pbo_source(ctx, &ctx->Unpack);
-}
-
-
-/**
- * Called by glPolygonStipple.
- */
-void GLAPIENTRY
-_mesa_PolygonStipple( const GLubyte *pattern )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE&VERBOSE_API)
- _mesa_debug(ctx, "glPolygonStipple\n");
-
- FLUSH_VERTICES(ctx, _NEW_POLYGONSTIPPLE);
-
- _mesa_polygon_stipple(ctx, pattern);
-
- if (ctx->Driver.PolygonStipple)
- ctx->Driver.PolygonStipple(ctx, pattern);
-}
-
-
-/**
- * Called by glPolygonStipple.
- */
-void GLAPIENTRY
-_mesa_GetPolygonStipple( GLubyte *dest )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE&VERBOSE_API)
- _mesa_debug(ctx, "glGetPolygonStipple\n");
-
- dest = _mesa_map_validate_pbo_dest(ctx, 2,
- &ctx->Pack, 32, 32, 1,
- GL_COLOR_INDEX, GL_BITMAP, dest,
- "glGetPolygonStipple");
- if (!dest)
- return;
-
- _mesa_pack_polygon_stipple(ctx->PolygonStipple, dest, &ctx->Pack);
-
- _mesa_unmap_pbo_dest(ctx, &ctx->Pack);
-}
-
-
-void GLAPIENTRY
-_mesa_PolygonOffset( GLfloat factor, GLfloat units )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE&VERBOSE_API)
- _mesa_debug(ctx, "glPolygonOffset %f %f\n", factor, units);
-
- if (ctx->Polygon.OffsetFactor == factor &&
- ctx->Polygon.OffsetUnits == units)
- return;
-
- FLUSH_VERTICES(ctx, _NEW_POLYGON);
- ctx->Polygon.OffsetFactor = factor;
- ctx->Polygon.OffsetUnits = units;
-
- if (ctx->Driver.PolygonOffset)
- ctx->Driver.PolygonOffset( ctx, factor, units );
-}
-
-
-void GLAPIENTRY
-_mesa_PolygonOffsetEXT( GLfloat factor, GLfloat bias )
-{
- GET_CURRENT_CONTEXT(ctx);
- /* XXX mult by DepthMaxF here??? */
- _mesa_PolygonOffset(factor, bias * ctx->DrawBuffer->_DepthMaxF );
-}
-
-#endif
-
-
-/**********************************************************************/
-/** \name Initialization */
-/*@{*/
-
-/**
- * Initialize the context polygon state.
- *
- * \param ctx GL context.
- *
- * Initializes __struct gl_contextRec::Polygon and __struct gl_contextRec::PolygonStipple
- * attribute groups.
- */
-void _mesa_init_polygon( struct gl_context * ctx )
-{
- /* Polygon group */
- ctx->Polygon.CullFlag = GL_FALSE;
- ctx->Polygon.CullFaceMode = GL_BACK;
- ctx->Polygon.FrontFace = GL_CCW;
- ctx->Polygon._FrontBit = 0;
- ctx->Polygon.FrontMode = GL_FILL;
- ctx->Polygon.BackMode = GL_FILL;
- ctx->Polygon.SmoothFlag = GL_FALSE;
- ctx->Polygon.StippleFlag = GL_FALSE;
- ctx->Polygon.OffsetFactor = 0.0F;
- ctx->Polygon.OffsetUnits = 0.0F;
- ctx->Polygon.OffsetPoint = GL_FALSE;
- ctx->Polygon.OffsetLine = GL_FALSE;
- ctx->Polygon.OffsetFill = GL_FALSE;
-
-
- /* Polygon Stipple group */
- memset( ctx->PolygonStipple, 0xff, 32*sizeof(GLuint) );
-}
-
-/*@}*/
+/**
+ * \file polygon.c
+ * Polygon operations.
+ */
+
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5.1
+ *
+ * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#include "glheader.h"
+#include "imports.h"
+#include "context.h"
+#include "image.h"
+#include "enums.h"
+#include "pack.h"
+#include "pbo.h"
+#include "polygon.h"
+#include "mtypes.h"
+
+
+/**
+ * Specify whether to cull front- or back-facing facets.
+ *
+ * \param mode culling mode.
+ *
+ * \sa glCullFace().
+ *
+ * Verifies the parameter and updates gl_polygon_attrib::CullFaceMode. On
+ * change, flushes the vertices and notifies the driver via
+ * the dd_function_table::CullFace callback.
+ */
+void GLAPIENTRY
+_mesa_CullFace( GLenum mode )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE&VERBOSE_API)
+ _mesa_debug(ctx, "glCullFace %s\n", _mesa_lookup_enum_by_nr(mode));
+
+ if (mode!=GL_FRONT && mode!=GL_BACK && mode!=GL_FRONT_AND_BACK) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glCullFace" );
+ return;
+ }
+
+ if (ctx->Polygon.CullFaceMode == mode)
+ return;
+
+ FLUSH_VERTICES(ctx, _NEW_POLYGON);
+ ctx->Polygon.CullFaceMode = mode;
+
+ if (ctx->Driver.CullFace)
+ ctx->Driver.CullFace( ctx, mode );
+}
+
+
+/**
+ * Define front- and back-facing
+ *
+ * \param mode orientation of front-facing polygons.
+ *
+ * \sa glFrontFace().
+ *
+ * Verifies the parameter and updates gl_polygon_attrib::FrontFace. On change
+ * flushes the vertices and notifies the driver via
+ * the dd_function_table::FrontFace callback.
+ */
+void GLAPIENTRY
+_mesa_FrontFace( GLenum mode )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE&VERBOSE_API)
+ _mesa_debug(ctx, "glFrontFace %s\n", _mesa_lookup_enum_by_nr(mode));
+
+ if (mode!=GL_CW && mode!=GL_CCW) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glFrontFace" );
+ return;
+ }
+
+ if (ctx->Polygon.FrontFace == mode)
+ return;
+
+ FLUSH_VERTICES(ctx, _NEW_POLYGON);
+ ctx->Polygon.FrontFace = mode;
+
+ ctx->Polygon._FrontBit = (GLboolean) (mode == GL_CW);
+
+ if (ctx->Driver.FrontFace)
+ ctx->Driver.FrontFace( ctx, mode );
+}
+
+
+/**
+ * Set the polygon rasterization mode.
+ *
+ * \param face the polygons which \p mode applies to.
+ * \param mode how polygons should be rasterized.
+ *
+ * \sa glPolygonMode().
+ *
+ * Verifies the parameters and updates gl_polygon_attrib::FrontMode and
+ * gl_polygon_attrib::BackMode. On change flushes the vertices and notifies the
+ * driver via the dd_function_table::PolygonMode callback.
+ */
+void GLAPIENTRY
+_mesa_PolygonMode( GLenum face, GLenum mode )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE&VERBOSE_API)
+ _mesa_debug(ctx, "glPolygonMode %s %s\n",
+ _mesa_lookup_enum_by_nr(face),
+ _mesa_lookup_enum_by_nr(mode));
+
+ if (mode!=GL_POINT && mode!=GL_LINE && mode!=GL_FILL) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glPolygonMode(mode)" );
+ return;
+ }
+
+ switch (face) {
+ case GL_FRONT:
+ if (ctx->Polygon.FrontMode == mode)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_POLYGON);
+ ctx->Polygon.FrontMode = mode;
+ break;
+ case GL_FRONT_AND_BACK:
+ if (ctx->Polygon.FrontMode == mode &&
+ ctx->Polygon.BackMode == mode)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_POLYGON);
+ ctx->Polygon.FrontMode = mode;
+ ctx->Polygon.BackMode = mode;
+ break;
+ case GL_BACK:
+ if (ctx->Polygon.BackMode == mode)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_POLYGON);
+ ctx->Polygon.BackMode = mode;
+ break;
+ default:
+ _mesa_error( ctx, GL_INVALID_ENUM, "glPolygonMode(face)" );
+ return;
+ }
+
+ if (ctx->Polygon.FrontMode == GL_FILL && ctx->Polygon.BackMode == GL_FILL)
+ ctx->_TriangleCaps &= ~DD_TRI_UNFILLED;
+ else
+ ctx->_TriangleCaps |= DD_TRI_UNFILLED;
+
+ if (ctx->Driver.PolygonMode)
+ ctx->Driver.PolygonMode(ctx, face, mode);
+}
+
+#if _HAVE_FULL_GL
+
+
+/**
+ * This routine updates the ctx->Polygon.Stipple state.
+ * If we're getting the stipple data from a PBO, we map the buffer
+ * in order to access the data.
+ * In any case, we obey the current pixel unpacking parameters when fetching
+ * the stipple data.
+ *
+ * In the future, this routine should be used as a fallback, called via
+ * ctx->Driver.PolygonStipple(). We'll have to update all the DRI drivers
+ * too.
+ */
+void
+_mesa_polygon_stipple(struct gl_context *ctx, const GLubyte *pattern)
+{
+ pattern = _mesa_map_validate_pbo_source(ctx, 2,
+ &ctx->Unpack, 32, 32, 1,
+ GL_COLOR_INDEX, GL_BITMAP, pattern,
+ "glPolygonStipple");
+ if (!pattern)
+ return;
+
+ _mesa_unpack_polygon_stipple(pattern, ctx->PolygonStipple, &ctx->Unpack);
+
+ _mesa_unmap_pbo_source(ctx, &ctx->Unpack);
+}
+
+
+/**
+ * Called by glPolygonStipple.
+ */
+void GLAPIENTRY
+_mesa_PolygonStipple( const GLubyte *pattern )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE&VERBOSE_API)
+ _mesa_debug(ctx, "glPolygonStipple\n");
+
+ FLUSH_VERTICES(ctx, _NEW_POLYGONSTIPPLE);
+
+ _mesa_polygon_stipple(ctx, pattern);
+
+ if (ctx->Driver.PolygonStipple)
+ ctx->Driver.PolygonStipple(ctx, pattern);
+}
+
+
+/**
+ * Called by glPolygonStipple.
+ */
+void GLAPIENTRY
+_mesa_GetPolygonStipple( GLubyte *dest )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE&VERBOSE_API)
+ _mesa_debug(ctx, "glGetPolygonStipple\n");
+
+ dest = _mesa_map_validate_pbo_dest(ctx, 2,
+ &ctx->Pack, 32, 32, 1,
+ GL_COLOR_INDEX, GL_BITMAP, dest,
+ "glGetPolygonStipple");
+ if (!dest)
+ return;
+
+ _mesa_pack_polygon_stipple(ctx->PolygonStipple, dest, &ctx->Pack);
+
+ _mesa_unmap_pbo_dest(ctx, &ctx->Pack);
+}
+
+
+void GLAPIENTRY
+_mesa_PolygonOffset( GLfloat factor, GLfloat units )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE&VERBOSE_API)
+ _mesa_debug(ctx, "glPolygonOffset %f %f\n", factor, units);
+
+ if (ctx->Polygon.OffsetFactor == factor &&
+ ctx->Polygon.OffsetUnits == units)
+ return;
+
+ FLUSH_VERTICES(ctx, _NEW_POLYGON);
+ ctx->Polygon.OffsetFactor = factor;
+ ctx->Polygon.OffsetUnits = units;
+
+ if (ctx->Driver.PolygonOffset)
+ ctx->Driver.PolygonOffset( ctx, factor, units );
+}
+
+
+void GLAPIENTRY
+_mesa_PolygonOffsetEXT( GLfloat factor, GLfloat bias )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ /* XXX mult by DepthMaxF here??? */
+ _mesa_PolygonOffset(factor, bias * ctx->DrawBuffer->_DepthMaxF );
+}
+
+#endif
+
+
+/**********************************************************************/
+/** \name Initialization */
+/*@{*/
+
+/**
+ * Initialize the context polygon state.
+ *
+ * \param ctx GL context.
+ *
+ * Initializes __struct gl_contextRec::Polygon and __struct gl_contextRec::PolygonStipple
+ * attribute groups.
+ */
+void _mesa_init_polygon( struct gl_context * ctx )
+{
+ /* Polygon group */
+ ctx->Polygon.CullFlag = GL_FALSE;
+ ctx->Polygon.CullFaceMode = GL_BACK;
+ ctx->Polygon.FrontFace = GL_CCW;
+ ctx->Polygon._FrontBit = 0;
+ ctx->Polygon.FrontMode = GL_FILL;
+ ctx->Polygon.BackMode = GL_FILL;
+ ctx->Polygon.SmoothFlag = GL_FALSE;
+ ctx->Polygon.StippleFlag = GL_FALSE;
+ ctx->Polygon.OffsetFactor = 0.0F;
+ ctx->Polygon.OffsetUnits = 0.0F;
+ ctx->Polygon.OffsetPoint = GL_FALSE;
+ ctx->Polygon.OffsetLine = GL_FALSE;
+ ctx->Polygon.OffsetFill = GL_FALSE;
+
+
+ /* Polygon Stipple group */
+ memset( ctx->PolygonStipple, 0xff, 32*sizeof(GLuint) );
+}
+
+/*@}*/
diff --git a/mesalib/src/mesa/main/queryobj.c b/mesalib/src/mesa/main/queryobj.c
index 25ec31fd4..c3c1aa170 100644
--- a/mesalib/src/mesa/main/queryobj.c
+++ b/mesalib/src/mesa/main/queryobj.c
@@ -44,7 +44,7 @@
* \param id - the new object's ID
* \return pointer to new query_object object or NULL if out of memory.
*/
-static struct gl_query_object *
+struct gl_query_object *
_mesa_new_query_object(struct gl_context *ctx, GLuint id)
{
struct gl_query_object *q = MALLOC_STRUCT(gl_query_object);
@@ -63,7 +63,7 @@ _mesa_new_query_object(struct gl_context *ctx, GLuint id)
* Begin a query. Software driver fallback.
* Called via ctx->Driver.BeginQuery().
*/
-static void
+void
_mesa_begin_query(struct gl_context *ctx, struct gl_query_object *q)
{
/* no-op */
@@ -74,7 +74,7 @@ _mesa_begin_query(struct gl_context *ctx, struct gl_query_object *q)
* End a query. Software driver fallback.
* Called via ctx->Driver.EndQuery().
*/
-static void
+void
_mesa_end_query(struct gl_context *ctx, struct gl_query_object *q)
{
q->Ready = GL_TRUE;
@@ -85,7 +85,7 @@ _mesa_end_query(struct gl_context *ctx, struct gl_query_object *q)
* Wait for query to complete. Software driver fallback.
* Called via ctx->Driver.WaitQuery().
*/
-static void
+void
_mesa_wait_query(struct gl_context *ctx, struct gl_query_object *q)
{
/* For software drivers, _mesa_end_query() should have completed the query.
@@ -113,7 +113,7 @@ _mesa_check_query(struct gl_context *ctx, struct gl_query_object *q)
* Delete a query object. Called via ctx->Driver.DeleteQuery().
* Not removed from hash table here.
*/
-static void
+void
_mesa_delete_query(struct gl_context *ctx, struct gl_query_object *q)
{
free(q);
diff --git a/mesalib/src/mesa/main/state.c b/mesalib/src/mesa/main/state.c
index 118ed1d28..70f8154e8 100644
--- a/mesalib/src/mesa/main/state.c
+++ b/mesalib/src/mesa/main/state.c
@@ -1,734 +1,734 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.3
- *
- * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-/**
- * \file state.c
- * State management.
- *
- * This file manages recalculation of derived values in struct gl_context.
- */
-
-
-#include "glheader.h"
-#include "mtypes.h"
-#include "context.h"
-#include "debug.h"
-#include "macros.h"
-#include "ffvertex_prog.h"
-#include "framebuffer.h"
-#include "light.h"
-#include "matrix.h"
-#include "pixel.h"
-#include "program/program.h"
-#include "program/prog_parameter.h"
-#include "state.h"
-#include "stencil.h"
-#include "texenvprogram.h"
-#include "texobj.h"
-#include "texstate.h"
-
-
-static void
-update_separate_specular(struct gl_context *ctx)
-{
- if (_mesa_need_secondary_color(ctx))
- ctx->_TriangleCaps |= DD_SEPARATE_SPECULAR;
- else
- ctx->_TriangleCaps &= ~DD_SEPARATE_SPECULAR;
-}
-
-
-/**
- * Compute the index of the last array element that can be safely accessed
- * in a vertex array. We can really only do this when the array lives in
- * a VBO.
- * The array->_MaxElement field will be updated.
- * Later in glDrawArrays/Elements/etc we can do some bounds checking.
- */
-static void
-compute_max_element(struct gl_client_array *array)
-{
- assert(array->Enabled);
- if (array->BufferObj->Name) {
- GLsizeiptrARB offset = (GLsizeiptrARB) array->Ptr;
- GLsizeiptrARB obj_size = (GLsizeiptrARB) array->BufferObj->Size;
-
- if (offset < obj_size) {
- array->_MaxElement = (obj_size - offset +
- array->StrideB -
- array->_ElementSize) / array->StrideB;
- } else {
- array->_MaxElement = 0;
- }
- }
- else {
- /* user-space array, no idea how big it is */
- array->_MaxElement = 2 * 1000 * 1000 * 1000; /* just a big number */
- }
-}
-
-
-/**
- * Helper for update_arrays().
- * \return min(current min, array->_MaxElement).
- */
-static GLuint
-update_min(GLuint min, struct gl_client_array *array)
-{
- compute_max_element(array);
- return MIN2(min, array->_MaxElement);
-}
-
-
-/**
- * Update ctx->Array._MaxElement (the max legal index into all enabled arrays).
- * Need to do this upon new array state or new buffer object state.
- */
-static void
-update_arrays( struct gl_context *ctx )
-{
- struct gl_array_object *arrayObj = ctx->Array.ArrayObj;
- GLuint i, min = ~0;
-
- /* find min of _MaxElement values for all enabled arrays */
-
- /* 0 */
- if (ctx->VertexProgram._Current
- && arrayObj->VertexAttrib[VERT_ATTRIB_POS].Enabled) {
- min = update_min(min, &arrayObj->VertexAttrib[VERT_ATTRIB_POS]);
- }
- else if (arrayObj->Vertex.Enabled) {
- min = update_min(min, &arrayObj->Vertex);
- }
-
- /* 1 */
- if (ctx->VertexProgram._Enabled
- && arrayObj->VertexAttrib[VERT_ATTRIB_WEIGHT].Enabled) {
- min = update_min(min, &arrayObj->VertexAttrib[VERT_ATTRIB_WEIGHT]);
- }
- /* no conventional vertex weight array */
-
- /* 2 */
- if (ctx->VertexProgram._Enabled
- && arrayObj->VertexAttrib[VERT_ATTRIB_NORMAL].Enabled) {
- min = update_min(min, &arrayObj->VertexAttrib[VERT_ATTRIB_NORMAL]);
- }
- else if (arrayObj->Normal.Enabled) {
- min = update_min(min, &arrayObj->Normal);
- }
-
- /* 3 */
- if (ctx->VertexProgram._Enabled
- && arrayObj->VertexAttrib[VERT_ATTRIB_COLOR0].Enabled) {
- min = update_min(min, &arrayObj->VertexAttrib[VERT_ATTRIB_COLOR0]);
- }
- else if (arrayObj->Color.Enabled) {
- min = update_min(min, &arrayObj->Color);
- }
-
- /* 4 */
- if (ctx->VertexProgram._Enabled
- && arrayObj->VertexAttrib[VERT_ATTRIB_COLOR1].Enabled) {
- min = update_min(min, &arrayObj->VertexAttrib[VERT_ATTRIB_COLOR1]);
- }
- else if (arrayObj->SecondaryColor.Enabled) {
- min = update_min(min, &arrayObj->SecondaryColor);
- }
-
- /* 5 */
- if (ctx->VertexProgram._Enabled
- && arrayObj->VertexAttrib[VERT_ATTRIB_FOG].Enabled) {
- min = update_min(min, &arrayObj->VertexAttrib[VERT_ATTRIB_FOG]);
- }
- else if (arrayObj->FogCoord.Enabled) {
- min = update_min(min, &arrayObj->FogCoord);
- }
-
- /* 6 */
- if (ctx->VertexProgram._Enabled
- && arrayObj->VertexAttrib[VERT_ATTRIB_COLOR_INDEX].Enabled) {
- min = update_min(min, &arrayObj->VertexAttrib[VERT_ATTRIB_COLOR_INDEX]);
- }
- else if (arrayObj->Index.Enabled) {
- min = update_min(min, &arrayObj->Index);
- }
-
- /* 7 */
- if (ctx->VertexProgram._Enabled
- && arrayObj->VertexAttrib[VERT_ATTRIB_EDGEFLAG].Enabled) {
- min = update_min(min, &arrayObj->VertexAttrib[VERT_ATTRIB_EDGEFLAG]);
- }
-
- /* 8..15 */
- for (i = VERT_ATTRIB_TEX0; i <= VERT_ATTRIB_TEX7; i++) {
- if (ctx->VertexProgram._Enabled
- && arrayObj->VertexAttrib[i].Enabled) {
- min = update_min(min, &arrayObj->VertexAttrib[i]);
- }
- else if (i - VERT_ATTRIB_TEX0 < ctx->Const.MaxTextureCoordUnits
- && arrayObj->TexCoord[i - VERT_ATTRIB_TEX0].Enabled) {
- min = update_min(min, &arrayObj->TexCoord[i - VERT_ATTRIB_TEX0]);
- }
- }
-
- /* 16..31 */
- if (ctx->VertexProgram._Current) {
- for (i = 0; i < Elements(arrayObj->VertexAttrib); i++) {
- if (arrayObj->VertexAttrib[i].Enabled) {
- min = update_min(min, &arrayObj->VertexAttrib[i]);
- }
- }
- }
-
- if (arrayObj->EdgeFlag.Enabled) {
- min = update_min(min, &arrayObj->EdgeFlag);
- }
-
- /* _MaxElement is one past the last legal array element */
- arrayObj->_MaxElement = min;
-}
-
-
-/**
- * Update the following fields:
- * ctx->VertexProgram._Enabled
- * ctx->FragmentProgram._Enabled
- * ctx->ATIFragmentShader._Enabled
- * This needs to be done before texture state validation.
- */
-static void
-update_program_enables(struct gl_context *ctx)
-{
- /* These _Enabled flags indicate if the program is enabled AND valid. */
- ctx->VertexProgram._Enabled = ctx->VertexProgram.Enabled
- && ctx->VertexProgram.Current->Base.Instructions;
- ctx->FragmentProgram._Enabled = ctx->FragmentProgram.Enabled
- && ctx->FragmentProgram.Current->Base.Instructions;
- ctx->ATIFragmentShader._Enabled = ctx->ATIFragmentShader.Enabled
- && ctx->ATIFragmentShader.Current->Instructions[0];
-}
-
-
-/**
- * Update vertex/fragment program state. In particular, update these fields:
- * ctx->VertexProgram._Current
- * ctx->VertexProgram._TnlProgram,
- * These point to the highest priority enabled vertex/fragment program or are
- * NULL if fixed-function processing is to be done.
- *
- * This function needs to be called after texture state validation in case
- * we're generating a fragment program from fixed-function texture state.
- *
- * \return bitfield which will indicate _NEW_PROGRAM state if a new vertex
- * or fragment program is being used.
- */
-static GLbitfield
-update_program(struct gl_context *ctx)
-{
- const struct gl_shader_program *vsProg = ctx->Shader.CurrentVertexProgram;
- const struct gl_shader_program *gsProg = ctx->Shader.CurrentGeometryProgram;
- const struct gl_shader_program *fsProg = ctx->Shader.CurrentFragmentProgram;
- const struct gl_vertex_program *prevVP = ctx->VertexProgram._Current;
- const struct gl_fragment_program *prevFP = ctx->FragmentProgram._Current;
- const struct gl_geometry_program *prevGP = ctx->GeometryProgram._Current;
- GLbitfield new_state = 0x0;
-
- /*
- * Set the ctx->VertexProgram._Current and ctx->FragmentProgram._Current
- * pointers to the programs that should be used for rendering. If either
- * is NULL, use fixed-function code paths.
- *
- * These programs may come from several sources. The priority is as
- * follows:
- * 1. OpenGL 2.0/ARB vertex/fragment shaders
- * 2. ARB/NV vertex/fragment programs
- * 3. Programs derived from fixed-function state.
- *
- * Note: it's possible for a vertex shader to get used with a fragment
- * program (and vice versa) here, but in practice that shouldn't ever
- * come up, or matter.
- */
-
- if (fsProg && fsProg->LinkStatus && fsProg->FragmentProgram) {
- /* Use shader programs */
- _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current,
- fsProg->FragmentProgram);
- }
- else if (ctx->FragmentProgram._Enabled) {
- /* use user-defined vertex program */
- _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current,
- ctx->FragmentProgram.Current);
- }
- else if (ctx->FragmentProgram._MaintainTexEnvProgram) {
- /* Use fragment program generated from fixed-function state.
- */
- _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current,
- _mesa_get_fixed_func_fragment_program(ctx));
- _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._TexEnvProgram,
- ctx->FragmentProgram._Current);
- }
- else {
- /* no fragment program */
- _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, NULL);
- }
-
- if (gsProg && gsProg->LinkStatus && gsProg->GeometryProgram) {
- /* Use shader programs */
- _mesa_reference_geomprog(ctx, &ctx->GeometryProgram._Current,
- gsProg->GeometryProgram);
- } else {
- /* no fragment program */
- _mesa_reference_geomprog(ctx, &ctx->GeometryProgram._Current, NULL);
- }
-
- /* Examine vertex program after fragment program as
- * _mesa_get_fixed_func_vertex_program() needs to know active
- * fragprog inputs.
- */
- if (vsProg && vsProg->LinkStatus && vsProg->VertexProgram) {
- /* Use shader programs */
- _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current,
- vsProg->VertexProgram);
- }
- else if (ctx->VertexProgram._Enabled) {
- /* use user-defined vertex program */
- _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current,
- ctx->VertexProgram.Current);
- }
- else if (ctx->VertexProgram._MaintainTnlProgram) {
- /* Use vertex program generated from fixed-function state.
- */
- _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current,
- _mesa_get_fixed_func_vertex_program(ctx));
- _mesa_reference_vertprog(ctx, &ctx->VertexProgram._TnlProgram,
- ctx->VertexProgram._Current);
- }
- else {
- /* no vertex program */
- _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, NULL);
- }
-
- /* Let the driver know what's happening:
- */
- if (ctx->FragmentProgram._Current != prevFP) {
- new_state |= _NEW_PROGRAM;
- if (ctx->Driver.BindProgram) {
- ctx->Driver.BindProgram(ctx, GL_FRAGMENT_PROGRAM_ARB,
- (struct gl_program *) ctx->FragmentProgram._Current);
- }
- }
-
- if (ctx->GeometryProgram._Current != prevGP) {
- new_state |= _NEW_PROGRAM;
- if (ctx->Driver.BindProgram) {
- ctx->Driver.BindProgram(ctx, MESA_GEOMETRY_PROGRAM,
- (struct gl_program *) ctx->GeometryProgram._Current);
- }
- }
-
- if (ctx->VertexProgram._Current != prevVP) {
- new_state |= _NEW_PROGRAM;
- if (ctx->Driver.BindProgram) {
- ctx->Driver.BindProgram(ctx, GL_VERTEX_PROGRAM_ARB,
- (struct gl_program *) ctx->VertexProgram._Current);
- }
- }
-
- return new_state;
-}
-
-
-/**
- * Examine shader constants and return either _NEW_PROGRAM_CONSTANTS or 0.
- */
-static GLbitfield
-update_program_constants(struct gl_context *ctx)
-{
- GLbitfield new_state = 0x0;
-
- if (ctx->FragmentProgram._Current) {
- const struct gl_program_parameter_list *params =
- ctx->FragmentProgram._Current->Base.Parameters;
- if (params && params->StateFlags & ctx->NewState) {
- new_state |= _NEW_PROGRAM_CONSTANTS;
- }
- }
-
- if (ctx->GeometryProgram._Current) {
- const struct gl_program_parameter_list *params =
- ctx->GeometryProgram._Current->Base.Parameters;
- /*FIXME: StateFlags is always 0 because we have unnamed constant
- * not state changes */
- if (params /*&& params->StateFlags & ctx->NewState*/) {
- new_state |= _NEW_PROGRAM_CONSTANTS;
- }
- }
-
- if (ctx->VertexProgram._Current) {
- const struct gl_program_parameter_list *params =
- ctx->VertexProgram._Current->Base.Parameters;
- if (params && params->StateFlags & ctx->NewState) {
- new_state |= _NEW_PROGRAM_CONSTANTS;
- }
- }
-
- return new_state;
-}
-
-
-
-
-static void
-update_viewport_matrix(struct gl_context *ctx)
-{
- const GLfloat depthMax = ctx->DrawBuffer->_DepthMaxF;
-
- ASSERT(depthMax > 0);
-
- /* Compute scale and bias values. This is really driver-specific
- * and should be maintained elsewhere if at all.
- * NOTE: RasterPos uses this.
- */
- _math_matrix_viewport(&ctx->Viewport._WindowMap,
- ctx->Viewport.X, ctx->Viewport.Y,
- ctx->Viewport.Width, ctx->Viewport.Height,
- ctx->Viewport.Near, ctx->Viewport.Far,
- depthMax);
-}
-
-
-/**
- * Update derived multisample state.
- */
-static void
-update_multisample(struct gl_context *ctx)
-{
- ctx->Multisample._Enabled = GL_FALSE;
- if (ctx->Multisample.Enabled &&
- ctx->DrawBuffer &&
- ctx->DrawBuffer->Visual.sampleBuffers)
- ctx->Multisample._Enabled = GL_TRUE;
-}
-
-
-/**
- * Update derived color/blend/logicop state.
- */
-static void
-update_color(struct gl_context *ctx)
-{
- /* This is needed to support 1.1's RGB logic ops AND
- * 1.0's blending logicops.
- */
- ctx->Color._LogicOpEnabled = _mesa_rgba_logicop_enabled(ctx);
-}
-
-
-/*
- * Check polygon state and set DD_TRI_CULL_FRONT_BACK and/or DD_TRI_OFFSET
- * in ctx->_TriangleCaps if needed.
- */
-static void
-update_polygon(struct gl_context *ctx)
-{
- ctx->_TriangleCaps &= ~(DD_TRI_CULL_FRONT_BACK | DD_TRI_OFFSET);
-
- if (ctx->Polygon.CullFlag && ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK)
- ctx->_TriangleCaps |= DD_TRI_CULL_FRONT_BACK;
-
- if ( ctx->Polygon.OffsetPoint
- || ctx->Polygon.OffsetLine
- || ctx->Polygon.OffsetFill)
- ctx->_TriangleCaps |= DD_TRI_OFFSET;
-}
-
-
-/**
- * Update the ctx->_TriangleCaps bitfield.
- * XXX that bitfield should really go away someday!
- * This function must be called after other update_*() functions since
- * there are dependencies on some other derived values.
- */
-#if 0
-static void
-update_tricaps(struct gl_context *ctx, GLbitfield new_state)
-{
- ctx->_TriangleCaps = 0;
-
- /*
- * Points
- */
- if (1/*new_state & _NEW_POINT*/) {
- if (ctx->Point.SmoothFlag)
- ctx->_TriangleCaps |= DD_POINT_SMOOTH;
- if (ctx->Point._Attenuated)
- ctx->_TriangleCaps |= DD_POINT_ATTEN;
- }
-
- /*
- * Lines
- */
- if (1/*new_state & _NEW_LINE*/) {
- if (ctx->Line.SmoothFlag)
- ctx->_TriangleCaps |= DD_LINE_SMOOTH;
- if (ctx->Line.StippleFlag)
- ctx->_TriangleCaps |= DD_LINE_STIPPLE;
- }
-
- /*
- * Polygons
- */
- if (1/*new_state & _NEW_POLYGON*/) {
- if (ctx->Polygon.SmoothFlag)
- ctx->_TriangleCaps |= DD_TRI_SMOOTH;
- if (ctx->Polygon.StippleFlag)
- ctx->_TriangleCaps |= DD_TRI_STIPPLE;
- if (ctx->Polygon.FrontMode != GL_FILL
- || ctx->Polygon.BackMode != GL_FILL)
- ctx->_TriangleCaps |= DD_TRI_UNFILLED;
- if (ctx->Polygon.CullFlag
- && ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK)
- ctx->_TriangleCaps |= DD_TRI_CULL_FRONT_BACK;
- if (ctx->Polygon.OffsetPoint ||
- ctx->Polygon.OffsetLine ||
- ctx->Polygon.OffsetFill)
- ctx->_TriangleCaps |= DD_TRI_OFFSET;
- }
-
- /*
- * Lighting and shading
- */
- if (ctx->Light.Enabled && ctx->Light.Model.TwoSide)
- ctx->_TriangleCaps |= DD_TRI_LIGHT_TWOSIDE;
- if (ctx->Light.ShadeModel == GL_FLAT)
- ctx->_TriangleCaps |= DD_FLATSHADE;
- if (_mesa_need_secondary_color(ctx))
- ctx->_TriangleCaps |= DD_SEPARATE_SPECULAR;
-
- /*
- * Stencil
- */
- if (ctx->Stencil._TestTwoSide)
- ctx->_TriangleCaps |= DD_TRI_TWOSTENCIL;
-}
-#endif
-
-
-/**
- * Compute derived GL state.
- * If __struct gl_contextRec::NewState is non-zero then this function \b must
- * be called before rendering anything.
- *
- * Calls dd_function_table::UpdateState to perform any internal state
- * management necessary.
- *
- * \sa _mesa_update_modelview_project(), _mesa_update_texture(),
- * _mesa_update_buffer_bounds(),
- * _mesa_update_lighting() and _mesa_update_tnl_spaces().
- */
-void
-_mesa_update_state_locked( struct gl_context *ctx )
-{
- GLbitfield new_state = ctx->NewState;
- GLbitfield prog_flags = _NEW_PROGRAM;
- GLbitfield new_prog_state = 0x0;
-
- if (new_state == _NEW_CURRENT_ATTRIB)
- goto out;
-
- if (MESA_VERBOSE & VERBOSE_STATE)
- _mesa_print_state("_mesa_update_state", new_state);
-
- /* Determine which state flags effect vertex/fragment program state */
- if (ctx->FragmentProgram._MaintainTexEnvProgram) {
- prog_flags |= (_NEW_BUFFERS | _NEW_TEXTURE | _NEW_FOG |
- _NEW_ARRAY | _NEW_LIGHT | _NEW_POINT | _NEW_RENDERMODE |
- _NEW_PROGRAM);
- }
- if (ctx->VertexProgram._MaintainTnlProgram) {
- prog_flags |= (_NEW_ARRAY | _NEW_TEXTURE | _NEW_TEXTURE_MATRIX |
- _NEW_TRANSFORM | _NEW_POINT |
- _NEW_FOG | _NEW_LIGHT |
- _MESA_NEW_NEED_EYE_COORDS);
- }
-
- /*
- * Now update derived state info
- */
-
- if (new_state & prog_flags)
- update_program_enables( ctx );
-
- if (new_state & (_NEW_MODELVIEW|_NEW_PROJECTION))
- _mesa_update_modelview_project( ctx, new_state );
-
- if (new_state & (_NEW_PROGRAM|_NEW_TEXTURE|_NEW_TEXTURE_MATRIX))
- _mesa_update_texture( ctx, new_state );
-
- if (new_state & _NEW_BUFFERS)
- _mesa_update_framebuffer(ctx);
-
- if (new_state & (_NEW_SCISSOR | _NEW_BUFFERS | _NEW_VIEWPORT))
- _mesa_update_draw_buffer_bounds( ctx );
-
- if (new_state & _NEW_POLYGON)
- update_polygon( ctx );
-
- if (new_state & _NEW_LIGHT)
- _mesa_update_lighting( ctx );
-
- if (new_state & (_NEW_STENCIL | _NEW_BUFFERS))
- _mesa_update_stencil( ctx );
-
- if (new_state & _NEW_PIXEL)
- _mesa_update_pixel( ctx, new_state );
-
- if (new_state & _DD_NEW_SEPARATE_SPECULAR)
- update_separate_specular( ctx );
-
- if (new_state & (_NEW_BUFFERS | _NEW_VIEWPORT))
- update_viewport_matrix(ctx);
-
- if (new_state & _NEW_MULTISAMPLE)
- update_multisample( ctx );
-
- if (new_state & _NEW_COLOR)
- update_color( ctx );
-
-#if 0
- if (new_state & (_NEW_POINT | _NEW_LINE | _NEW_POLYGON | _NEW_LIGHT
- | _NEW_STENCIL | _DD_NEW_SEPARATE_SPECULAR))
- update_tricaps( ctx, new_state );
-#endif
-
- /* ctx->_NeedEyeCoords is now up to date.
- *
- * If the truth value of this variable has changed, update for the
- * new lighting space and recompute the positions of lights and the
- * normal transform.
- *
- * If the lighting space hasn't changed, may still need to recompute
- * light positions & normal transforms for other reasons.
- */
- if (new_state & _MESA_NEW_NEED_EYE_COORDS)
- _mesa_update_tnl_spaces( ctx, new_state );
-
- if (new_state & prog_flags) {
- /* When we generate programs from fixed-function vertex/fragment state
- * this call may generate/bind a new program. If so, we need to
- * propogate the _NEW_PROGRAM flag to the driver.
- */
- new_prog_state |= update_program( ctx );
- }
-
- if (new_state & (_NEW_ARRAY | _NEW_PROGRAM | _NEW_BUFFER_OBJECT))
- update_arrays( ctx );
-
- out:
- new_prog_state |= update_program_constants(ctx);
-
- /*
- * Give the driver a chance to act upon the new_state flags.
- * The driver might plug in different span functions, for example.
- * Also, this is where the driver can invalidate the state of any
- * active modules (such as swrast_setup, swrast, tnl, etc).
- *
- * Set ctx->NewState to zero to avoid recursion if
- * Driver.UpdateState() has to call FLUSH_VERTICES(). (fixed?)
- */
- new_state = ctx->NewState | new_prog_state;
- ctx->NewState = 0;
- ctx->Driver.UpdateState(ctx, new_state);
- ctx->Array.NewState = 0;
- if (!ctx->Array.RebindArrays)
- ctx->Array.RebindArrays = (new_state & (_NEW_ARRAY | _NEW_PROGRAM)) != 0;
-}
-
-
-/* This is the usual entrypoint for state updates:
- */
-void
-_mesa_update_state( struct gl_context *ctx )
-{
- _mesa_lock_context_textures(ctx);
- _mesa_update_state_locked(ctx);
- _mesa_unlock_context_textures(ctx);
-}
-
-
-
-
-/**
- * Want to figure out which fragment program inputs are actually
- * constant/current values from ctx->Current. These should be
- * referenced as a tracked state variable rather than a fragment
- * program input, to save the overhead of putting a constant value in
- * every submitted vertex, transferring it to hardware, interpolating
- * it across the triangle, etc...
- *
- * When there is a VP bound, just use vp->outputs. But when we're
- * generating vp from fixed function state, basically want to
- * calculate:
- *
- * vp_out_2_fp_in( vp_in_2_vp_out( varying_inputs ) |
- * potential_vp_outputs )
- *
- * Where potential_vp_outputs is calculated by looking at enabled
- * texgen, etc.
- *
- * The generated fragment program should then only declare inputs that
- * may vary or otherwise differ from the ctx->Current values.
- * Otherwise, the fp should track them as state values instead.
- */
-void
-_mesa_set_varying_vp_inputs( struct gl_context *ctx,
- GLbitfield varying_inputs )
-{
- if (ctx->varying_vp_inputs != varying_inputs) {
- ctx->varying_vp_inputs = varying_inputs;
- ctx->NewState |= _NEW_ARRAY;
- /*printf("%s %x\n", __FUNCTION__, varying_inputs);*/
- }
-}
-
-
-/**
- * Used by drivers to tell core Mesa that the driver is going to
- * install/ use its own vertex program. In particular, this will
- * prevent generated fragment programs from using state vars instead
- * of ordinary varyings/inputs.
- */
-void
-_mesa_set_vp_override(struct gl_context *ctx, GLboolean flag)
-{
- if (ctx->VertexProgram._Overriden != flag) {
- ctx->VertexProgram._Overriden = flag;
-
- /* Set one of the bits which will trigger fragment program
- * regeneration:
- */
- ctx->NewState |= _NEW_PROGRAM;
- }
-}
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.3
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/**
+ * \file state.c
+ * State management.
+ *
+ * This file manages recalculation of derived values in struct gl_context.
+ */
+
+
+#include "glheader.h"
+#include "mtypes.h"
+#include "context.h"
+#include "debug.h"
+#include "macros.h"
+#include "ffvertex_prog.h"
+#include "framebuffer.h"
+#include "light.h"
+#include "matrix.h"
+#include "pixel.h"
+#include "program/program.h"
+#include "program/prog_parameter.h"
+#include "state.h"
+#include "stencil.h"
+#include "texenvprogram.h"
+#include "texobj.h"
+#include "texstate.h"
+
+
+static void
+update_separate_specular(struct gl_context *ctx)
+{
+ if (_mesa_need_secondary_color(ctx))
+ ctx->_TriangleCaps |= DD_SEPARATE_SPECULAR;
+ else
+ ctx->_TriangleCaps &= ~DD_SEPARATE_SPECULAR;
+}
+
+
+/**
+ * Compute the index of the last array element that can be safely accessed
+ * in a vertex array. We can really only do this when the array lives in
+ * a VBO.
+ * The array->_MaxElement field will be updated.
+ * Later in glDrawArrays/Elements/etc we can do some bounds checking.
+ */
+static void
+compute_max_element(struct gl_client_array *array)
+{
+ assert(array->Enabled);
+ if (array->BufferObj->Name) {
+ GLsizeiptrARB offset = (GLsizeiptrARB) array->Ptr;
+ GLsizeiptrARB obj_size = (GLsizeiptrARB) array->BufferObj->Size;
+
+ if (offset < obj_size) {
+ array->_MaxElement = (obj_size - offset +
+ array->StrideB -
+ array->_ElementSize) / array->StrideB;
+ } else {
+ array->_MaxElement = 0;
+ }
+ }
+ else {
+ /* user-space array, no idea how big it is */
+ array->_MaxElement = 2 * 1000 * 1000 * 1000; /* just a big number */
+ }
+}
+
+
+/**
+ * Helper for update_arrays().
+ * \return min(current min, array->_MaxElement).
+ */
+static GLuint
+update_min(GLuint min, struct gl_client_array *array)
+{
+ compute_max_element(array);
+ return MIN2(min, array->_MaxElement);
+}
+
+
+/**
+ * Update ctx->Array._MaxElement (the max legal index into all enabled arrays).
+ * Need to do this upon new array state or new buffer object state.
+ */
+static void
+update_arrays( struct gl_context *ctx )
+{
+ struct gl_array_object *arrayObj = ctx->Array.ArrayObj;
+ GLuint i, min = ~0;
+
+ /* find min of _MaxElement values for all enabled arrays */
+
+ /* 0 */
+ if (ctx->VertexProgram._Current
+ && arrayObj->VertexAttrib[VERT_ATTRIB_POS].Enabled) {
+ min = update_min(min, &arrayObj->VertexAttrib[VERT_ATTRIB_POS]);
+ }
+ else if (arrayObj->Vertex.Enabled) {
+ min = update_min(min, &arrayObj->Vertex);
+ }
+
+ /* 1 */
+ if (ctx->VertexProgram._Enabled
+ && arrayObj->VertexAttrib[VERT_ATTRIB_WEIGHT].Enabled) {
+ min = update_min(min, &arrayObj->VertexAttrib[VERT_ATTRIB_WEIGHT]);
+ }
+ /* no conventional vertex weight array */
+
+ /* 2 */
+ if (ctx->VertexProgram._Enabled
+ && arrayObj->VertexAttrib[VERT_ATTRIB_NORMAL].Enabled) {
+ min = update_min(min, &arrayObj->VertexAttrib[VERT_ATTRIB_NORMAL]);
+ }
+ else if (arrayObj->Normal.Enabled) {
+ min = update_min(min, &arrayObj->Normal);
+ }
+
+ /* 3 */
+ if (ctx->VertexProgram._Enabled
+ && arrayObj->VertexAttrib[VERT_ATTRIB_COLOR0].Enabled) {
+ min = update_min(min, &arrayObj->VertexAttrib[VERT_ATTRIB_COLOR0]);
+ }
+ else if (arrayObj->Color.Enabled) {
+ min = update_min(min, &arrayObj->Color);
+ }
+
+ /* 4 */
+ if (ctx->VertexProgram._Enabled
+ && arrayObj->VertexAttrib[VERT_ATTRIB_COLOR1].Enabled) {
+ min = update_min(min, &arrayObj->VertexAttrib[VERT_ATTRIB_COLOR1]);
+ }
+ else if (arrayObj->SecondaryColor.Enabled) {
+ min = update_min(min, &arrayObj->SecondaryColor);
+ }
+
+ /* 5 */
+ if (ctx->VertexProgram._Enabled
+ && arrayObj->VertexAttrib[VERT_ATTRIB_FOG].Enabled) {
+ min = update_min(min, &arrayObj->VertexAttrib[VERT_ATTRIB_FOG]);
+ }
+ else if (arrayObj->FogCoord.Enabled) {
+ min = update_min(min, &arrayObj->FogCoord);
+ }
+
+ /* 6 */
+ if (ctx->VertexProgram._Enabled
+ && arrayObj->VertexAttrib[VERT_ATTRIB_COLOR_INDEX].Enabled) {
+ min = update_min(min, &arrayObj->VertexAttrib[VERT_ATTRIB_COLOR_INDEX]);
+ }
+ else if (arrayObj->Index.Enabled) {
+ min = update_min(min, &arrayObj->Index);
+ }
+
+ /* 7 */
+ if (ctx->VertexProgram._Enabled
+ && arrayObj->VertexAttrib[VERT_ATTRIB_EDGEFLAG].Enabled) {
+ min = update_min(min, &arrayObj->VertexAttrib[VERT_ATTRIB_EDGEFLAG]);
+ }
+
+ /* 8..15 */
+ for (i = VERT_ATTRIB_TEX0; i <= VERT_ATTRIB_TEX7; i++) {
+ if (ctx->VertexProgram._Enabled
+ && arrayObj->VertexAttrib[i].Enabled) {
+ min = update_min(min, &arrayObj->VertexAttrib[i]);
+ }
+ else if (i - VERT_ATTRIB_TEX0 < ctx->Const.MaxTextureCoordUnits
+ && arrayObj->TexCoord[i - VERT_ATTRIB_TEX0].Enabled) {
+ min = update_min(min, &arrayObj->TexCoord[i - VERT_ATTRIB_TEX0]);
+ }
+ }
+
+ /* 16..31 */
+ if (ctx->VertexProgram._Current) {
+ for (i = 0; i < Elements(arrayObj->VertexAttrib); i++) {
+ if (arrayObj->VertexAttrib[i].Enabled) {
+ min = update_min(min, &arrayObj->VertexAttrib[i]);
+ }
+ }
+ }
+
+ if (arrayObj->EdgeFlag.Enabled) {
+ min = update_min(min, &arrayObj->EdgeFlag);
+ }
+
+ /* _MaxElement is one past the last legal array element */
+ arrayObj->_MaxElement = min;
+}
+
+
+/**
+ * Update the following fields:
+ * ctx->VertexProgram._Enabled
+ * ctx->FragmentProgram._Enabled
+ * ctx->ATIFragmentShader._Enabled
+ * This needs to be done before texture state validation.
+ */
+static void
+update_program_enables(struct gl_context *ctx)
+{
+ /* These _Enabled flags indicate if the program is enabled AND valid. */
+ ctx->VertexProgram._Enabled = ctx->VertexProgram.Enabled
+ && ctx->VertexProgram.Current->Base.Instructions;
+ ctx->FragmentProgram._Enabled = ctx->FragmentProgram.Enabled
+ && ctx->FragmentProgram.Current->Base.Instructions;
+ ctx->ATIFragmentShader._Enabled = ctx->ATIFragmentShader.Enabled
+ && ctx->ATIFragmentShader.Current->Instructions[0];
+}
+
+
+/**
+ * Update vertex/fragment program state. In particular, update these fields:
+ * ctx->VertexProgram._Current
+ * ctx->VertexProgram._TnlProgram,
+ * These point to the highest priority enabled vertex/fragment program or are
+ * NULL if fixed-function processing is to be done.
+ *
+ * This function needs to be called after texture state validation in case
+ * we're generating a fragment program from fixed-function texture state.
+ *
+ * \return bitfield which will indicate _NEW_PROGRAM state if a new vertex
+ * or fragment program is being used.
+ */
+static GLbitfield
+update_program(struct gl_context *ctx)
+{
+ const struct gl_shader_program *vsProg = ctx->Shader.CurrentVertexProgram;
+ const struct gl_shader_program *gsProg = ctx->Shader.CurrentGeometryProgram;
+ const struct gl_shader_program *fsProg = ctx->Shader.CurrentFragmentProgram;
+ const struct gl_vertex_program *prevVP = ctx->VertexProgram._Current;
+ const struct gl_fragment_program *prevFP = ctx->FragmentProgram._Current;
+ const struct gl_geometry_program *prevGP = ctx->GeometryProgram._Current;
+ GLbitfield new_state = 0x0;
+
+ /*
+ * Set the ctx->VertexProgram._Current and ctx->FragmentProgram._Current
+ * pointers to the programs that should be used for rendering. If either
+ * is NULL, use fixed-function code paths.
+ *
+ * These programs may come from several sources. The priority is as
+ * follows:
+ * 1. OpenGL 2.0/ARB vertex/fragment shaders
+ * 2. ARB/NV vertex/fragment programs
+ * 3. Programs derived from fixed-function state.
+ *
+ * Note: it's possible for a vertex shader to get used with a fragment
+ * program (and vice versa) here, but in practice that shouldn't ever
+ * come up, or matter.
+ */
+
+ if (fsProg && fsProg->LinkStatus && fsProg->FragmentProgram) {
+ /* Use shader programs */
+ _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current,
+ fsProg->FragmentProgram);
+ }
+ else if (ctx->FragmentProgram._Enabled) {
+ /* use user-defined vertex program */
+ _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current,
+ ctx->FragmentProgram.Current);
+ }
+ else if (ctx->FragmentProgram._MaintainTexEnvProgram) {
+ /* Use fragment program generated from fixed-function state.
+ */
+ _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current,
+ _mesa_get_fixed_func_fragment_program(ctx));
+ _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._TexEnvProgram,
+ ctx->FragmentProgram._Current);
+ }
+ else {
+ /* no fragment program */
+ _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, NULL);
+ }
+
+ if (gsProg && gsProg->LinkStatus && gsProg->GeometryProgram) {
+ /* Use shader programs */
+ _mesa_reference_geomprog(ctx, &ctx->GeometryProgram._Current,
+ gsProg->GeometryProgram);
+ } else {
+ /* no fragment program */
+ _mesa_reference_geomprog(ctx, &ctx->GeometryProgram._Current, NULL);
+ }
+
+ /* Examine vertex program after fragment program as
+ * _mesa_get_fixed_func_vertex_program() needs to know active
+ * fragprog inputs.
+ */
+ if (vsProg && vsProg->LinkStatus && vsProg->VertexProgram) {
+ /* Use shader programs */
+ _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current,
+ vsProg->VertexProgram);
+ }
+ else if (ctx->VertexProgram._Enabled) {
+ /* use user-defined vertex program */
+ _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current,
+ ctx->VertexProgram.Current);
+ }
+ else if (ctx->VertexProgram._MaintainTnlProgram) {
+ /* Use vertex program generated from fixed-function state.
+ */
+ _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current,
+ _mesa_get_fixed_func_vertex_program(ctx));
+ _mesa_reference_vertprog(ctx, &ctx->VertexProgram._TnlProgram,
+ ctx->VertexProgram._Current);
+ }
+ else {
+ /* no vertex program */
+ _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, NULL);
+ }
+
+ /* Let the driver know what's happening:
+ */
+ if (ctx->FragmentProgram._Current != prevFP) {
+ new_state |= _NEW_PROGRAM;
+ if (ctx->Driver.BindProgram) {
+ ctx->Driver.BindProgram(ctx, GL_FRAGMENT_PROGRAM_ARB,
+ (struct gl_program *) ctx->FragmentProgram._Current);
+ }
+ }
+
+ if (ctx->GeometryProgram._Current != prevGP) {
+ new_state |= _NEW_PROGRAM;
+ if (ctx->Driver.BindProgram) {
+ ctx->Driver.BindProgram(ctx, MESA_GEOMETRY_PROGRAM,
+ (struct gl_program *) ctx->GeometryProgram._Current);
+ }
+ }
+
+ if (ctx->VertexProgram._Current != prevVP) {
+ new_state |= _NEW_PROGRAM;
+ if (ctx->Driver.BindProgram) {
+ ctx->Driver.BindProgram(ctx, GL_VERTEX_PROGRAM_ARB,
+ (struct gl_program *) ctx->VertexProgram._Current);
+ }
+ }
+
+ return new_state;
+}
+
+
+/**
+ * Examine shader constants and return either _NEW_PROGRAM_CONSTANTS or 0.
+ */
+static GLbitfield
+update_program_constants(struct gl_context *ctx)
+{
+ GLbitfield new_state = 0x0;
+
+ if (ctx->FragmentProgram._Current) {
+ const struct gl_program_parameter_list *params =
+ ctx->FragmentProgram._Current->Base.Parameters;
+ if (params && params->StateFlags & ctx->NewState) {
+ new_state |= _NEW_PROGRAM_CONSTANTS;
+ }
+ }
+
+ if (ctx->GeometryProgram._Current) {
+ const struct gl_program_parameter_list *params =
+ ctx->GeometryProgram._Current->Base.Parameters;
+ /*FIXME: StateFlags is always 0 because we have unnamed constant
+ * not state changes */
+ if (params /*&& params->StateFlags & ctx->NewState*/) {
+ new_state |= _NEW_PROGRAM_CONSTANTS;
+ }
+ }
+
+ if (ctx->VertexProgram._Current) {
+ const struct gl_program_parameter_list *params =
+ ctx->VertexProgram._Current->Base.Parameters;
+ if (params && params->StateFlags & ctx->NewState) {
+ new_state |= _NEW_PROGRAM_CONSTANTS;
+ }
+ }
+
+ return new_state;
+}
+
+
+
+
+static void
+update_viewport_matrix(struct gl_context *ctx)
+{
+ const GLfloat depthMax = ctx->DrawBuffer->_DepthMaxF;
+
+ ASSERT(depthMax > 0);
+
+ /* Compute scale and bias values. This is really driver-specific
+ * and should be maintained elsewhere if at all.
+ * NOTE: RasterPos uses this.
+ */
+ _math_matrix_viewport(&ctx->Viewport._WindowMap,
+ ctx->Viewport.X, ctx->Viewport.Y,
+ ctx->Viewport.Width, ctx->Viewport.Height,
+ ctx->Viewport.Near, ctx->Viewport.Far,
+ depthMax);
+}
+
+
+/**
+ * Update derived multisample state.
+ */
+static void
+update_multisample(struct gl_context *ctx)
+{
+ ctx->Multisample._Enabled = GL_FALSE;
+ if (ctx->Multisample.Enabled &&
+ ctx->DrawBuffer &&
+ ctx->DrawBuffer->Visual.sampleBuffers)
+ ctx->Multisample._Enabled = GL_TRUE;
+}
+
+
+/**
+ * Update derived color/blend/logicop state.
+ */
+static void
+update_color(struct gl_context *ctx)
+{
+ /* This is needed to support 1.1's RGB logic ops AND
+ * 1.0's blending logicops.
+ */
+ ctx->Color._LogicOpEnabled = _mesa_rgba_logicop_enabled(ctx);
+}
+
+
+/*
+ * Check polygon state and set DD_TRI_CULL_FRONT_BACK and/or DD_TRI_OFFSET
+ * in ctx->_TriangleCaps if needed.
+ */
+static void
+update_polygon(struct gl_context *ctx)
+{
+ ctx->_TriangleCaps &= ~(DD_TRI_CULL_FRONT_BACK | DD_TRI_OFFSET);
+
+ if (ctx->Polygon.CullFlag && ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK)
+ ctx->_TriangleCaps |= DD_TRI_CULL_FRONT_BACK;
+
+ if ( ctx->Polygon.OffsetPoint
+ || ctx->Polygon.OffsetLine
+ || ctx->Polygon.OffsetFill)
+ ctx->_TriangleCaps |= DD_TRI_OFFSET;
+}
+
+
+/**
+ * Update the ctx->_TriangleCaps bitfield.
+ * XXX that bitfield should really go away someday!
+ * This function must be called after other update_*() functions since
+ * there are dependencies on some other derived values.
+ */
+#if 0
+static void
+update_tricaps(struct gl_context *ctx, GLbitfield new_state)
+{
+ ctx->_TriangleCaps = 0;
+
+ /*
+ * Points
+ */
+ if (1/*new_state & _NEW_POINT*/) {
+ if (ctx->Point.SmoothFlag)
+ ctx->_TriangleCaps |= DD_POINT_SMOOTH;
+ if (ctx->Point._Attenuated)
+ ctx->_TriangleCaps |= DD_POINT_ATTEN;
+ }
+
+ /*
+ * Lines
+ */
+ if (1/*new_state & _NEW_LINE*/) {
+ if (ctx->Line.SmoothFlag)
+ ctx->_TriangleCaps |= DD_LINE_SMOOTH;
+ if (ctx->Line.StippleFlag)
+ ctx->_TriangleCaps |= DD_LINE_STIPPLE;
+ }
+
+ /*
+ * Polygons
+ */
+ if (1/*new_state & _NEW_POLYGON*/) {
+ if (ctx->Polygon.SmoothFlag)
+ ctx->_TriangleCaps |= DD_TRI_SMOOTH;
+ if (ctx->Polygon.StippleFlag)
+ ctx->_TriangleCaps |= DD_TRI_STIPPLE;
+ if (ctx->Polygon.FrontMode != GL_FILL
+ || ctx->Polygon.BackMode != GL_FILL)
+ ctx->_TriangleCaps |= DD_TRI_UNFILLED;
+ if (ctx->Polygon.CullFlag
+ && ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK)
+ ctx->_TriangleCaps |= DD_TRI_CULL_FRONT_BACK;
+ if (ctx->Polygon.OffsetPoint ||
+ ctx->Polygon.OffsetLine ||
+ ctx->Polygon.OffsetFill)
+ ctx->_TriangleCaps |= DD_TRI_OFFSET;
+ }
+
+ /*
+ * Lighting and shading
+ */
+ if (ctx->Light.Enabled && ctx->Light.Model.TwoSide)
+ ctx->_TriangleCaps |= DD_TRI_LIGHT_TWOSIDE;
+ if (ctx->Light.ShadeModel == GL_FLAT)
+ ctx->_TriangleCaps |= DD_FLATSHADE;
+ if (_mesa_need_secondary_color(ctx))
+ ctx->_TriangleCaps |= DD_SEPARATE_SPECULAR;
+
+ /*
+ * Stencil
+ */
+ if (ctx->Stencil._TestTwoSide)
+ ctx->_TriangleCaps |= DD_TRI_TWOSTENCIL;
+}
+#endif
+
+
+/**
+ * Compute derived GL state.
+ * If __struct gl_contextRec::NewState is non-zero then this function \b must
+ * be called before rendering anything.
+ *
+ * Calls dd_function_table::UpdateState to perform any internal state
+ * management necessary.
+ *
+ * \sa _mesa_update_modelview_project(), _mesa_update_texture(),
+ * _mesa_update_buffer_bounds(),
+ * _mesa_update_lighting() and _mesa_update_tnl_spaces().
+ */
+void
+_mesa_update_state_locked( struct gl_context *ctx )
+{
+ GLbitfield new_state = ctx->NewState;
+ GLbitfield prog_flags = _NEW_PROGRAM;
+ GLbitfield new_prog_state = 0x0;
+
+ if (new_state == _NEW_CURRENT_ATTRIB)
+ goto out;
+
+ if (MESA_VERBOSE & VERBOSE_STATE)
+ _mesa_print_state("_mesa_update_state", new_state);
+
+ /* Determine which state flags effect vertex/fragment program state */
+ if (ctx->FragmentProgram._MaintainTexEnvProgram) {
+ prog_flags |= (_NEW_BUFFERS | _NEW_TEXTURE | _NEW_FOG |
+ _NEW_ARRAY | _NEW_LIGHT | _NEW_POINT | _NEW_RENDERMODE |
+ _NEW_PROGRAM);
+ }
+ if (ctx->VertexProgram._MaintainTnlProgram) {
+ prog_flags |= (_NEW_ARRAY | _NEW_TEXTURE | _NEW_TEXTURE_MATRIX |
+ _NEW_TRANSFORM | _NEW_POINT |
+ _NEW_FOG | _NEW_LIGHT |
+ _MESA_NEW_NEED_EYE_COORDS);
+ }
+
+ /*
+ * Now update derived state info
+ */
+
+ if (new_state & prog_flags)
+ update_program_enables( ctx );
+
+ if (new_state & (_NEW_MODELVIEW|_NEW_PROJECTION))
+ _mesa_update_modelview_project( ctx, new_state );
+
+ if (new_state & (_NEW_PROGRAM|_NEW_TEXTURE|_NEW_TEXTURE_MATRIX))
+ _mesa_update_texture( ctx, new_state );
+
+ if (new_state & _NEW_BUFFERS)
+ _mesa_update_framebuffer(ctx);
+
+ if (new_state & (_NEW_SCISSOR | _NEW_BUFFERS | _NEW_VIEWPORT))
+ _mesa_update_draw_buffer_bounds( ctx );
+
+ if (new_state & _NEW_POLYGON)
+ update_polygon( ctx );
+
+ if (new_state & _NEW_LIGHT)
+ _mesa_update_lighting( ctx );
+
+ if (new_state & (_NEW_STENCIL | _NEW_BUFFERS))
+ _mesa_update_stencil( ctx );
+
+ if (new_state & _NEW_PIXEL)
+ _mesa_update_pixel( ctx, new_state );
+
+ if (new_state & _DD_NEW_SEPARATE_SPECULAR)
+ update_separate_specular( ctx );
+
+ if (new_state & (_NEW_BUFFERS | _NEW_VIEWPORT))
+ update_viewport_matrix(ctx);
+
+ if (new_state & _NEW_MULTISAMPLE)
+ update_multisample( ctx );
+
+ if (new_state & _NEW_COLOR)
+ update_color( ctx );
+
+#if 0
+ if (new_state & (_NEW_POINT | _NEW_LINE | _NEW_POLYGON | _NEW_LIGHT
+ | _NEW_STENCIL | _DD_NEW_SEPARATE_SPECULAR))
+ update_tricaps( ctx, new_state );
+#endif
+
+ /* ctx->_NeedEyeCoords is now up to date.
+ *
+ * If the truth value of this variable has changed, update for the
+ * new lighting space and recompute the positions of lights and the
+ * normal transform.
+ *
+ * If the lighting space hasn't changed, may still need to recompute
+ * light positions & normal transforms for other reasons.
+ */
+ if (new_state & _MESA_NEW_NEED_EYE_COORDS)
+ _mesa_update_tnl_spaces( ctx, new_state );
+
+ if (new_state & prog_flags) {
+ /* When we generate programs from fixed-function vertex/fragment state
+ * this call may generate/bind a new program. If so, we need to
+ * propogate the _NEW_PROGRAM flag to the driver.
+ */
+ new_prog_state |= update_program( ctx );
+ }
+
+ if (new_state & (_NEW_ARRAY | _NEW_PROGRAM | _NEW_BUFFER_OBJECT))
+ update_arrays( ctx );
+
+ out:
+ new_prog_state |= update_program_constants(ctx);
+
+ /*
+ * Give the driver a chance to act upon the new_state flags.
+ * The driver might plug in different span functions, for example.
+ * Also, this is where the driver can invalidate the state of any
+ * active modules (such as swrast_setup, swrast, tnl, etc).
+ *
+ * Set ctx->NewState to zero to avoid recursion if
+ * Driver.UpdateState() has to call FLUSH_VERTICES(). (fixed?)
+ */
+ new_state = ctx->NewState | new_prog_state;
+ ctx->NewState = 0;
+ ctx->Driver.UpdateState(ctx, new_state);
+ ctx->Array.NewState = 0;
+ if (!ctx->Array.RebindArrays)
+ ctx->Array.RebindArrays = (new_state & (_NEW_ARRAY | _NEW_PROGRAM)) != 0;
+}
+
+
+/* This is the usual entrypoint for state updates:
+ */
+void
+_mesa_update_state( struct gl_context *ctx )
+{
+ _mesa_lock_context_textures(ctx);
+ _mesa_update_state_locked(ctx);
+ _mesa_unlock_context_textures(ctx);
+}
+
+
+
+
+/**
+ * Want to figure out which fragment program inputs are actually
+ * constant/current values from ctx->Current. These should be
+ * referenced as a tracked state variable rather than a fragment
+ * program input, to save the overhead of putting a constant value in
+ * every submitted vertex, transferring it to hardware, interpolating
+ * it across the triangle, etc...
+ *
+ * When there is a VP bound, just use vp->outputs. But when we're
+ * generating vp from fixed function state, basically want to
+ * calculate:
+ *
+ * vp_out_2_fp_in( vp_in_2_vp_out( varying_inputs ) |
+ * potential_vp_outputs )
+ *
+ * Where potential_vp_outputs is calculated by looking at enabled
+ * texgen, etc.
+ *
+ * The generated fragment program should then only declare inputs that
+ * may vary or otherwise differ from the ctx->Current values.
+ * Otherwise, the fp should track them as state values instead.
+ */
+void
+_mesa_set_varying_vp_inputs( struct gl_context *ctx,
+ GLbitfield varying_inputs )
+{
+ if (ctx->varying_vp_inputs != varying_inputs) {
+ ctx->varying_vp_inputs = varying_inputs;
+ ctx->NewState |= _NEW_ARRAY;
+ /*printf("%s %x\n", __FUNCTION__, varying_inputs);*/
+ }
+}
+
+
+/**
+ * Used by drivers to tell core Mesa that the driver is going to
+ * install/ use its own vertex program. In particular, this will
+ * prevent generated fragment programs from using state vars instead
+ * of ordinary varyings/inputs.
+ */
+void
+_mesa_set_vp_override(struct gl_context *ctx, GLboolean flag)
+{
+ if (ctx->VertexProgram._Overriden != flag) {
+ ctx->VertexProgram._Overriden = flag;
+
+ /* Set one of the bits which will trigger fragment program
+ * regeneration:
+ */
+ ctx->NewState |= _NEW_PROGRAM;
+ }
+}
diff --git a/mesalib/src/mesa/main/stencil.c b/mesalib/src/mesa/main/stencil.c
index d898bf1d7..b49ddbdbb 100644
--- a/mesalib/src/mesa/main/stencil.c
+++ b/mesalib/src/mesa/main/stencil.c
@@ -1,614 +1,614 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.1
- *
- * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-/**
- * \file stencil.c
- * Stencil operations.
- *
- * Note: There's some conflict between GL_EXT_stencil_two_side and
- * OpenGL 2.0's two-sided stencil feature.
- *
- * With GL_EXT_stencil_two_side, calling glStencilOp/Func/Mask() only the
- * front OR back face state (as set by glActiveStencilFaceEXT) is set.
- *
- * But with OpenGL 2.0, calling glStencilOp/Func/Mask() sets BOTH the
- * front AND back state.
- *
- * Also, note that GL_ATI_separate_stencil is different as well:
- * glStencilFuncSeparateATI(GLenum frontfunc, GLenum backfunc, ...) vs.
- * glStencilFuncSeparate(GLenum face, GLenum func, ...).
- *
- * This problem is solved by keeping three sets of stencil state:
- * state[0] = GL_FRONT state.
- * state[1] = OpenGL 2.0 / GL_ATI_separate_stencil GL_BACK state.
- * state[2] = GL_EXT_stencil_two_side GL_BACK state.
- */
-
-
-#include "glheader.h"
-#include "imports.h"
-#include "context.h"
-#include "macros.h"
-#include "stencil.h"
-#include "mtypes.h"
-
-
-static GLboolean
-validate_stencil_op(struct gl_context *ctx, GLenum op)
-{
- switch (op) {
- case GL_KEEP:
- case GL_ZERO:
- case GL_REPLACE:
- case GL_INCR:
- case GL_DECR:
- case GL_INVERT:
- return GL_TRUE;
- case GL_INCR_WRAP_EXT:
- case GL_DECR_WRAP_EXT:
- if (ctx->Extensions.EXT_stencil_wrap) {
- return GL_TRUE;
- }
- /* FALL-THROUGH */
- default:
- return GL_FALSE;
- }
-}
-
-
-static GLboolean
-validate_stencil_func(struct gl_context *ctx, GLenum func)
-{
- switch (func) {
- case GL_NEVER:
- case GL_LESS:
- case GL_LEQUAL:
- case GL_GREATER:
- case GL_GEQUAL:
- case GL_EQUAL:
- case GL_NOTEQUAL:
- case GL_ALWAYS:
- return GL_TRUE;
- default:
- return GL_FALSE;
- }
-}
-
-
-/**
- * Set the clear value for the stencil buffer.
- *
- * \param s clear value.
- *
- * \sa glClearStencil().
- *
- * Updates gl_stencil_attrib::Clear. On change
- * flushes the vertices and notifies the driver via
- * the dd_function_table::ClearStencil callback.
- */
-void GLAPIENTRY
-_mesa_ClearStencil( GLint s )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (ctx->Stencil.Clear == (GLuint) s)
- return;
-
- FLUSH_VERTICES(ctx, _NEW_STENCIL);
- ctx->Stencil.Clear = (GLuint) s;
-
- if (ctx->Driver.ClearStencil) {
- ctx->Driver.ClearStencil( ctx, s );
- }
-}
-
-
-/**
- * Set the function and reference value for stencil testing.
- *
- * \param frontfunc front test function.
- * \param backfunc back test function.
- * \param ref front and back reference value.
- * \param mask front and back bitmask.
- *
- * \sa glStencilFunc().
- *
- * Verifies the parameters and updates the respective values in
- * __struct gl_contextRec::Stencil. On change flushes the vertices and notifies the
- * driver via the dd_function_table::StencilFunc callback.
- */
-void GLAPIENTRY
-_mesa_StencilFuncSeparateATI( GLenum frontfunc, GLenum backfunc, GLint ref, GLuint mask )
-{
- GET_CURRENT_CONTEXT(ctx);
- const GLint stencilMax = (1 << ctx->DrawBuffer->Visual.stencilBits) - 1;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glStencilFuncSeparateATI()\n");
-
- if (!validate_stencil_func(ctx, frontfunc)) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glStencilFuncSeparateATI(frontfunc)");
- return;
- }
- if (!validate_stencil_func(ctx, backfunc)) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glStencilFuncSeparateATI(backfunc)");
- return;
- }
-
- ref = CLAMP( ref, 0, stencilMax );
-
- /* set both front and back state */
- if (ctx->Stencil.Function[0] == frontfunc &&
- ctx->Stencil.Function[1] == backfunc &&
- ctx->Stencil.ValueMask[0] == mask &&
- ctx->Stencil.ValueMask[1] == mask &&
- ctx->Stencil.Ref[0] == ref &&
- ctx->Stencil.Ref[1] == ref)
- return;
- FLUSH_VERTICES(ctx, _NEW_STENCIL);
- ctx->Stencil.Function[0] = frontfunc;
- ctx->Stencil.Function[1] = backfunc;
- ctx->Stencil.Ref[0] = ctx->Stencil.Ref[1] = ref;
- ctx->Stencil.ValueMask[0] = ctx->Stencil.ValueMask[1] = mask;
- if (ctx->Driver.StencilFuncSeparate) {
- ctx->Driver.StencilFuncSeparate(ctx, GL_FRONT,
- frontfunc, ref, mask);
- ctx->Driver.StencilFuncSeparate(ctx, GL_BACK,
- backfunc, ref, mask);
- }
-}
-
-
-/**
- * Set the function and reference value for stencil testing.
- *
- * \param func test function.
- * \param ref reference value.
- * \param mask bitmask.
- *
- * \sa glStencilFunc().
- *
- * Verifies the parameters and updates the respective values in
- * __struct gl_contextRec::Stencil. On change flushes the vertices and notifies the
- * driver via the dd_function_table::StencilFunc callback.
- */
-void GLAPIENTRY
-_mesa_StencilFunc( GLenum func, GLint ref, GLuint mask )
-{
- GET_CURRENT_CONTEXT(ctx);
- const GLint stencilMax = (1 << ctx->DrawBuffer->Visual.stencilBits) - 1;
- const GLint face = ctx->Stencil.ActiveFace;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glStencilFunc()\n");
-
- if (!validate_stencil_func(ctx, func)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glStencilFunc(func)");
- return;
- }
-
- ref = CLAMP( ref, 0, stencilMax );
-
- if (face != 0) {
- if (ctx->Stencil.Function[face] == func &&
- ctx->Stencil.ValueMask[face] == mask &&
- ctx->Stencil.Ref[face] == ref)
- return;
- FLUSH_VERTICES(ctx, _NEW_STENCIL);
- ctx->Stencil.Function[face] = func;
- ctx->Stencil.Ref[face] = ref;
- ctx->Stencil.ValueMask[face] = mask;
-
- /* Only propagate the change to the driver if EXT_stencil_two_side
- * is enabled.
- */
- if (ctx->Driver.StencilFuncSeparate && ctx->Stencil.TestTwoSide) {
- ctx->Driver.StencilFuncSeparate(ctx, GL_BACK, func, ref, mask);
- }
- }
- else {
- /* set both front and back state */
- if (ctx->Stencil.Function[0] == func &&
- ctx->Stencil.Function[1] == func &&
- ctx->Stencil.ValueMask[0] == mask &&
- ctx->Stencil.ValueMask[1] == mask &&
- ctx->Stencil.Ref[0] == ref &&
- ctx->Stencil.Ref[1] == ref)
- return;
- FLUSH_VERTICES(ctx, _NEW_STENCIL);
- ctx->Stencil.Function[0] = ctx->Stencil.Function[1] = func;
- ctx->Stencil.Ref[0] = ctx->Stencil.Ref[1] = ref;
- ctx->Stencil.ValueMask[0] = ctx->Stencil.ValueMask[1] = mask;
- if (ctx->Driver.StencilFuncSeparate) {
- ctx->Driver.StencilFuncSeparate(ctx,
- ((ctx->Stencil.TestTwoSide)
- ? GL_FRONT : GL_FRONT_AND_BACK),
- func, ref, mask);
- }
- }
-}
-
-
-/**
- * Set the stencil writing mask.
- *
- * \param mask bit-mask to enable/disable writing of individual bits in the
- * stencil planes.
- *
- * \sa glStencilMask().
- *
- * Updates gl_stencil_attrib::WriteMask. On change flushes the vertices and
- * notifies the driver via the dd_function_table::StencilMask callback.
- */
-void GLAPIENTRY
-_mesa_StencilMask( GLuint mask )
-{
- GET_CURRENT_CONTEXT(ctx);
- const GLint face = ctx->Stencil.ActiveFace;
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glStencilMask()\n");
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (face != 0) {
- /* Only modify the EXT_stencil_two_side back-face state.
- */
- if (ctx->Stencil.WriteMask[face] == mask)
- return;
- FLUSH_VERTICES(ctx, _NEW_STENCIL);
- ctx->Stencil.WriteMask[face] = mask;
-
- /* Only propagate the change to the driver if EXT_stencil_two_side
- * is enabled.
- */
- if (ctx->Driver.StencilMaskSeparate && ctx->Stencil.TestTwoSide) {
- ctx->Driver.StencilMaskSeparate(ctx, GL_BACK, mask);
- }
- }
- else {
- /* set both front and back state */
- if (ctx->Stencil.WriteMask[0] == mask &&
- ctx->Stencil.WriteMask[1] == mask)
- return;
- FLUSH_VERTICES(ctx, _NEW_STENCIL);
- ctx->Stencil.WriteMask[0] = ctx->Stencil.WriteMask[1] = mask;
- if (ctx->Driver.StencilMaskSeparate) {
- ctx->Driver.StencilMaskSeparate(ctx,
- ((ctx->Stencil.TestTwoSide)
- ? GL_FRONT : GL_FRONT_AND_BACK),
- mask);
- }
- }
-}
-
-
-/**
- * Set the stencil test actions.
- *
- * \param fail action to take when stencil test fails.
- * \param zfail action to take when stencil test passes, but depth test fails.
- * \param zpass action to take when stencil test passes and the depth test
- * passes (or depth testing is not enabled).
- *
- * \sa glStencilOp().
- *
- * Verifies the parameters and updates the respective fields in
- * __struct gl_contextRec::Stencil. On change flushes the vertices and notifies the
- * driver via the dd_function_table::StencilOp callback.
- */
-void GLAPIENTRY
-_mesa_StencilOp(GLenum fail, GLenum zfail, GLenum zpass)
-{
- GET_CURRENT_CONTEXT(ctx);
- const GLint face = ctx->Stencil.ActiveFace;
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glStencilOp()\n");
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (!validate_stencil_op(ctx, fail)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glStencilOp(sfail)");
- return;
- }
- if (!validate_stencil_op(ctx, zfail)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glStencilOp(zfail)");
- return;
- }
- if (!validate_stencil_op(ctx, zpass)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glStencilOp(zpass)");
- return;
- }
-
- if (face != 0) {
- /* only set active face state */
- if (ctx->Stencil.ZFailFunc[face] == zfail &&
- ctx->Stencil.ZPassFunc[face] == zpass &&
- ctx->Stencil.FailFunc[face] == fail)
- return;
- FLUSH_VERTICES(ctx, _NEW_STENCIL);
- ctx->Stencil.ZFailFunc[face] = zfail;
- ctx->Stencil.ZPassFunc[face] = zpass;
- ctx->Stencil.FailFunc[face] = fail;
-
- /* Only propagate the change to the driver if EXT_stencil_two_side
- * is enabled.
- */
- if (ctx->Driver.StencilOpSeparate && ctx->Stencil.TestTwoSide) {
- ctx->Driver.StencilOpSeparate(ctx, GL_BACK, fail, zfail, zpass);
- }
- }
- else {
- /* set both front and back state */
- if (ctx->Stencil.ZFailFunc[0] == zfail &&
- ctx->Stencil.ZFailFunc[1] == zfail &&
- ctx->Stencil.ZPassFunc[0] == zpass &&
- ctx->Stencil.ZPassFunc[1] == zpass &&
- ctx->Stencil.FailFunc[0] == fail &&
- ctx->Stencil.FailFunc[1] == fail)
- return;
- FLUSH_VERTICES(ctx, _NEW_STENCIL);
- ctx->Stencil.ZFailFunc[0] = ctx->Stencil.ZFailFunc[1] = zfail;
- ctx->Stencil.ZPassFunc[0] = ctx->Stencil.ZPassFunc[1] = zpass;
- ctx->Stencil.FailFunc[0] = ctx->Stencil.FailFunc[1] = fail;
- if (ctx->Driver.StencilOpSeparate) {
- ctx->Driver.StencilOpSeparate(ctx,
- ((ctx->Stencil.TestTwoSide)
- ? GL_FRONT : GL_FRONT_AND_BACK),
- fail, zfail, zpass);
- }
- }
-}
-
-
-
-#if _HAVE_FULL_GL
-/* GL_EXT_stencil_two_side */
-void GLAPIENTRY
-_mesa_ActiveStencilFaceEXT(GLenum face)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glActiveStencilFaceEXT()\n");
-
- if (!ctx->Extensions.EXT_stencil_two_side) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glActiveStencilFaceEXT");
- return;
- }
-
- if (face == GL_FRONT || face == GL_BACK) {
- FLUSH_VERTICES(ctx, _NEW_STENCIL);
- ctx->Stencil.ActiveFace = (face == GL_FRONT) ? 0 : 2;
- }
- else {
- _mesa_error(ctx, GL_INVALID_ENUM, "glActiveStencilFaceEXT(face)");
- }
-}
-#endif
-
-
-
-/**
- * OpenGL 2.0 function.
- * \todo Make StencilOp() call this function. And eventually remove the
- * ctx->Driver.StencilOp function and use ctx->Driver.StencilOpSeparate
- * instead.
- */
-void GLAPIENTRY
-_mesa_StencilOpSeparate(GLenum face, GLenum sfail, GLenum zfail, GLenum zpass)
-{
- GLboolean set = GL_FALSE;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glStencilOpSeparate()\n");
-
- if (!validate_stencil_op(ctx, sfail)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glStencilOpSeparate(sfail)");
- return;
- }
- if (!validate_stencil_op(ctx, zfail)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glStencilOpSeparate(zfail)");
- return;
- }
- if (!validate_stencil_op(ctx, zpass)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glStencilOpSeparate(zpass)");
- return;
- }
- if (face != GL_FRONT && face != GL_BACK && face != GL_FRONT_AND_BACK) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glStencilOpSeparate(face)");
- return;
- }
-
- if (face != GL_BACK) {
- /* set front */
- if (ctx->Stencil.ZFailFunc[0] != zfail ||
- ctx->Stencil.ZPassFunc[0] != zpass ||
- ctx->Stencil.FailFunc[0] != sfail){
- FLUSH_VERTICES(ctx, _NEW_STENCIL);
- ctx->Stencil.ZFailFunc[0] = zfail;
- ctx->Stencil.ZPassFunc[0] = zpass;
- ctx->Stencil.FailFunc[0] = sfail;
- set = GL_TRUE;
- }
- }
- if (face != GL_FRONT) {
- /* set back */
- if (ctx->Stencil.ZFailFunc[1] != zfail ||
- ctx->Stencil.ZPassFunc[1] != zpass ||
- ctx->Stencil.FailFunc[1] != sfail) {
- FLUSH_VERTICES(ctx, _NEW_STENCIL);
- ctx->Stencil.ZFailFunc[1] = zfail;
- ctx->Stencil.ZPassFunc[1] = zpass;
- ctx->Stencil.FailFunc[1] = sfail;
- set = GL_TRUE;
- }
- }
- if (set && ctx->Driver.StencilOpSeparate) {
- ctx->Driver.StencilOpSeparate(ctx, face, sfail, zfail, zpass);
- }
-}
-
-
-/* OpenGL 2.0 */
-void GLAPIENTRY
-_mesa_StencilFuncSeparate(GLenum face, GLenum func, GLint ref, GLuint mask)
-{
- GET_CURRENT_CONTEXT(ctx);
- const GLint stencilMax = (1 << ctx->DrawBuffer->Visual.stencilBits) - 1;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glStencilFuncSeparate()\n");
-
- if (face != GL_FRONT && face != GL_BACK && face != GL_FRONT_AND_BACK) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glStencilFuncSeparate(face)");
- return;
- }
- if (!validate_stencil_func(ctx, func)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glStencilFuncSeparate(func)");
- return;
- }
-
- ref = CLAMP(ref, 0, stencilMax);
-
- FLUSH_VERTICES(ctx, _NEW_STENCIL);
-
- if (face != GL_BACK) {
- /* set front */
- ctx->Stencil.Function[0] = func;
- ctx->Stencil.Ref[0] = ref;
- ctx->Stencil.ValueMask[0] = mask;
- }
- if (face != GL_FRONT) {
- /* set back */
- ctx->Stencil.Function[1] = func;
- ctx->Stencil.Ref[1] = ref;
- ctx->Stencil.ValueMask[1] = mask;
- }
- if (ctx->Driver.StencilFuncSeparate) {
- ctx->Driver.StencilFuncSeparate(ctx, face, func, ref, mask);
- }
-}
-
-
-/* OpenGL 2.0 */
-void GLAPIENTRY
-_mesa_StencilMaskSeparate(GLenum face, GLuint mask)
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glStencilMaskSeparate()\n");
-
- if (face != GL_FRONT && face != GL_BACK && face != GL_FRONT_AND_BACK) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glStencilaMaskSeparate(face)");
- return;
- }
-
- FLUSH_VERTICES(ctx, _NEW_STENCIL);
-
- if (face != GL_BACK) {
- ctx->Stencil.WriteMask[0] = mask;
- }
- if (face != GL_FRONT) {
- ctx->Stencil.WriteMask[1] = mask;
- }
- if (ctx->Driver.StencilMaskSeparate) {
- ctx->Driver.StencilMaskSeparate(ctx, face, mask);
- }
-}
-
-
-/**
- * Update derived stencil state.
- */
-void
-_mesa_update_stencil(struct gl_context *ctx)
-{
- const GLint face = ctx->Stencil._BackFace;
-
- ctx->Stencil._Enabled = (ctx->Stencil.Enabled &&
- ctx->DrawBuffer->Visual.stencilBits > 0);
-
- ctx->Stencil._TestTwoSide =
- ctx->Stencil._Enabled &&
- (ctx->Stencil.Function[0] != ctx->Stencil.Function[face] ||
- ctx->Stencil.FailFunc[0] != ctx->Stencil.FailFunc[face] ||
- ctx->Stencil.ZPassFunc[0] != ctx->Stencil.ZPassFunc[face] ||
- ctx->Stencil.ZFailFunc[0] != ctx->Stencil.ZFailFunc[face] ||
- ctx->Stencil.Ref[0] != ctx->Stencil.Ref[face] ||
- ctx->Stencil.ValueMask[0] != ctx->Stencil.ValueMask[face] ||
- ctx->Stencil.WriteMask[0] != ctx->Stencil.WriteMask[face]);
-}
-
-
-/**
- * Initialize the context stipple state.
- *
- * \param ctx GL context.
- *
- * Initializes __struct gl_contextRec::Stencil attribute group.
- */
-void
-_mesa_init_stencil(struct gl_context *ctx)
-{
- ctx->Stencil.Enabled = GL_FALSE;
- ctx->Stencil.TestTwoSide = GL_FALSE;
- ctx->Stencil.ActiveFace = 0; /* 0 = GL_FRONT, 2 = GL_BACK */
- ctx->Stencil.Function[0] = GL_ALWAYS;
- ctx->Stencil.Function[1] = GL_ALWAYS;
- ctx->Stencil.Function[2] = GL_ALWAYS;
- ctx->Stencil.FailFunc[0] = GL_KEEP;
- ctx->Stencil.FailFunc[1] = GL_KEEP;
- ctx->Stencil.FailFunc[2] = GL_KEEP;
- ctx->Stencil.ZPassFunc[0] = GL_KEEP;
- ctx->Stencil.ZPassFunc[1] = GL_KEEP;
- ctx->Stencil.ZPassFunc[2] = GL_KEEP;
- ctx->Stencil.ZFailFunc[0] = GL_KEEP;
- ctx->Stencil.ZFailFunc[1] = GL_KEEP;
- ctx->Stencil.ZFailFunc[2] = GL_KEEP;
- ctx->Stencil.Ref[0] = 0;
- ctx->Stencil.Ref[1] = 0;
- ctx->Stencil.Ref[2] = 0;
- ctx->Stencil.ValueMask[0] = ~0U;
- ctx->Stencil.ValueMask[1] = ~0U;
- ctx->Stencil.ValueMask[2] = ~0U;
- ctx->Stencil.WriteMask[0] = ~0U;
- ctx->Stencil.WriteMask[1] = ~0U;
- ctx->Stencil.WriteMask[2] = ~0U;
- ctx->Stencil.Clear = 0;
- ctx->Stencil._BackFace = 1;
-}
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.1
+ *
+ * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/**
+ * \file stencil.c
+ * Stencil operations.
+ *
+ * Note: There's some conflict between GL_EXT_stencil_two_side and
+ * OpenGL 2.0's two-sided stencil feature.
+ *
+ * With GL_EXT_stencil_two_side, calling glStencilOp/Func/Mask() only the
+ * front OR back face state (as set by glActiveStencilFaceEXT) is set.
+ *
+ * But with OpenGL 2.0, calling glStencilOp/Func/Mask() sets BOTH the
+ * front AND back state.
+ *
+ * Also, note that GL_ATI_separate_stencil is different as well:
+ * glStencilFuncSeparateATI(GLenum frontfunc, GLenum backfunc, ...) vs.
+ * glStencilFuncSeparate(GLenum face, GLenum func, ...).
+ *
+ * This problem is solved by keeping three sets of stencil state:
+ * state[0] = GL_FRONT state.
+ * state[1] = OpenGL 2.0 / GL_ATI_separate_stencil GL_BACK state.
+ * state[2] = GL_EXT_stencil_two_side GL_BACK state.
+ */
+
+
+#include "glheader.h"
+#include "imports.h"
+#include "context.h"
+#include "macros.h"
+#include "stencil.h"
+#include "mtypes.h"
+
+
+static GLboolean
+validate_stencil_op(struct gl_context *ctx, GLenum op)
+{
+ switch (op) {
+ case GL_KEEP:
+ case GL_ZERO:
+ case GL_REPLACE:
+ case GL_INCR:
+ case GL_DECR:
+ case GL_INVERT:
+ return GL_TRUE;
+ case GL_INCR_WRAP_EXT:
+ case GL_DECR_WRAP_EXT:
+ if (ctx->Extensions.EXT_stencil_wrap) {
+ return GL_TRUE;
+ }
+ /* FALL-THROUGH */
+ default:
+ return GL_FALSE;
+ }
+}
+
+
+static GLboolean
+validate_stencil_func(struct gl_context *ctx, GLenum func)
+{
+ switch (func) {
+ case GL_NEVER:
+ case GL_LESS:
+ case GL_LEQUAL:
+ case GL_GREATER:
+ case GL_GEQUAL:
+ case GL_EQUAL:
+ case GL_NOTEQUAL:
+ case GL_ALWAYS:
+ return GL_TRUE;
+ default:
+ return GL_FALSE;
+ }
+}
+
+
+/**
+ * Set the clear value for the stencil buffer.
+ *
+ * \param s clear value.
+ *
+ * \sa glClearStencil().
+ *
+ * Updates gl_stencil_attrib::Clear. On change
+ * flushes the vertices and notifies the driver via
+ * the dd_function_table::ClearStencil callback.
+ */
+void GLAPIENTRY
+_mesa_ClearStencil( GLint s )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (ctx->Stencil.Clear == (GLuint) s)
+ return;
+
+ FLUSH_VERTICES(ctx, _NEW_STENCIL);
+ ctx->Stencil.Clear = (GLuint) s;
+
+ if (ctx->Driver.ClearStencil) {
+ ctx->Driver.ClearStencil( ctx, s );
+ }
+}
+
+
+/**
+ * Set the function and reference value for stencil testing.
+ *
+ * \param frontfunc front test function.
+ * \param backfunc back test function.
+ * \param ref front and back reference value.
+ * \param mask front and back bitmask.
+ *
+ * \sa glStencilFunc().
+ *
+ * Verifies the parameters and updates the respective values in
+ * __struct gl_contextRec::Stencil. On change flushes the vertices and notifies the
+ * driver via the dd_function_table::StencilFunc callback.
+ */
+void GLAPIENTRY
+_mesa_StencilFuncSeparateATI( GLenum frontfunc, GLenum backfunc, GLint ref, GLuint mask )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ const GLint stencilMax = (1 << ctx->DrawBuffer->Visual.stencilBits) - 1;
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glStencilFuncSeparateATI()\n");
+
+ if (!validate_stencil_func(ctx, frontfunc)) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glStencilFuncSeparateATI(frontfunc)");
+ return;
+ }
+ if (!validate_stencil_func(ctx, backfunc)) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glStencilFuncSeparateATI(backfunc)");
+ return;
+ }
+
+ ref = CLAMP( ref, 0, stencilMax );
+
+ /* set both front and back state */
+ if (ctx->Stencil.Function[0] == frontfunc &&
+ ctx->Stencil.Function[1] == backfunc &&
+ ctx->Stencil.ValueMask[0] == mask &&
+ ctx->Stencil.ValueMask[1] == mask &&
+ ctx->Stencil.Ref[0] == ref &&
+ ctx->Stencil.Ref[1] == ref)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_STENCIL);
+ ctx->Stencil.Function[0] = frontfunc;
+ ctx->Stencil.Function[1] = backfunc;
+ ctx->Stencil.Ref[0] = ctx->Stencil.Ref[1] = ref;
+ ctx->Stencil.ValueMask[0] = ctx->Stencil.ValueMask[1] = mask;
+ if (ctx->Driver.StencilFuncSeparate) {
+ ctx->Driver.StencilFuncSeparate(ctx, GL_FRONT,
+ frontfunc, ref, mask);
+ ctx->Driver.StencilFuncSeparate(ctx, GL_BACK,
+ backfunc, ref, mask);
+ }
+}
+
+
+/**
+ * Set the function and reference value for stencil testing.
+ *
+ * \param func test function.
+ * \param ref reference value.
+ * \param mask bitmask.
+ *
+ * \sa glStencilFunc().
+ *
+ * Verifies the parameters and updates the respective values in
+ * __struct gl_contextRec::Stencil. On change flushes the vertices and notifies the
+ * driver via the dd_function_table::StencilFunc callback.
+ */
+void GLAPIENTRY
+_mesa_StencilFunc( GLenum func, GLint ref, GLuint mask )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ const GLint stencilMax = (1 << ctx->DrawBuffer->Visual.stencilBits) - 1;
+ const GLint face = ctx->Stencil.ActiveFace;
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glStencilFunc()\n");
+
+ if (!validate_stencil_func(ctx, func)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glStencilFunc(func)");
+ return;
+ }
+
+ ref = CLAMP( ref, 0, stencilMax );
+
+ if (face != 0) {
+ if (ctx->Stencil.Function[face] == func &&
+ ctx->Stencil.ValueMask[face] == mask &&
+ ctx->Stencil.Ref[face] == ref)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_STENCIL);
+ ctx->Stencil.Function[face] = func;
+ ctx->Stencil.Ref[face] = ref;
+ ctx->Stencil.ValueMask[face] = mask;
+
+ /* Only propagate the change to the driver if EXT_stencil_two_side
+ * is enabled.
+ */
+ if (ctx->Driver.StencilFuncSeparate && ctx->Stencil.TestTwoSide) {
+ ctx->Driver.StencilFuncSeparate(ctx, GL_BACK, func, ref, mask);
+ }
+ }
+ else {
+ /* set both front and back state */
+ if (ctx->Stencil.Function[0] == func &&
+ ctx->Stencil.Function[1] == func &&
+ ctx->Stencil.ValueMask[0] == mask &&
+ ctx->Stencil.ValueMask[1] == mask &&
+ ctx->Stencil.Ref[0] == ref &&
+ ctx->Stencil.Ref[1] == ref)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_STENCIL);
+ ctx->Stencil.Function[0] = ctx->Stencil.Function[1] = func;
+ ctx->Stencil.Ref[0] = ctx->Stencil.Ref[1] = ref;
+ ctx->Stencil.ValueMask[0] = ctx->Stencil.ValueMask[1] = mask;
+ if (ctx->Driver.StencilFuncSeparate) {
+ ctx->Driver.StencilFuncSeparate(ctx,
+ ((ctx->Stencil.TestTwoSide)
+ ? GL_FRONT : GL_FRONT_AND_BACK),
+ func, ref, mask);
+ }
+ }
+}
+
+
+/**
+ * Set the stencil writing mask.
+ *
+ * \param mask bit-mask to enable/disable writing of individual bits in the
+ * stencil planes.
+ *
+ * \sa glStencilMask().
+ *
+ * Updates gl_stencil_attrib::WriteMask. On change flushes the vertices and
+ * notifies the driver via the dd_function_table::StencilMask callback.
+ */
+void GLAPIENTRY
+_mesa_StencilMask( GLuint mask )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ const GLint face = ctx->Stencil.ActiveFace;
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glStencilMask()\n");
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (face != 0) {
+ /* Only modify the EXT_stencil_two_side back-face state.
+ */
+ if (ctx->Stencil.WriteMask[face] == mask)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_STENCIL);
+ ctx->Stencil.WriteMask[face] = mask;
+
+ /* Only propagate the change to the driver if EXT_stencil_two_side
+ * is enabled.
+ */
+ if (ctx->Driver.StencilMaskSeparate && ctx->Stencil.TestTwoSide) {
+ ctx->Driver.StencilMaskSeparate(ctx, GL_BACK, mask);
+ }
+ }
+ else {
+ /* set both front and back state */
+ if (ctx->Stencil.WriteMask[0] == mask &&
+ ctx->Stencil.WriteMask[1] == mask)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_STENCIL);
+ ctx->Stencil.WriteMask[0] = ctx->Stencil.WriteMask[1] = mask;
+ if (ctx->Driver.StencilMaskSeparate) {
+ ctx->Driver.StencilMaskSeparate(ctx,
+ ((ctx->Stencil.TestTwoSide)
+ ? GL_FRONT : GL_FRONT_AND_BACK),
+ mask);
+ }
+ }
+}
+
+
+/**
+ * Set the stencil test actions.
+ *
+ * \param fail action to take when stencil test fails.
+ * \param zfail action to take when stencil test passes, but depth test fails.
+ * \param zpass action to take when stencil test passes and the depth test
+ * passes (or depth testing is not enabled).
+ *
+ * \sa glStencilOp().
+ *
+ * Verifies the parameters and updates the respective fields in
+ * __struct gl_contextRec::Stencil. On change flushes the vertices and notifies the
+ * driver via the dd_function_table::StencilOp callback.
+ */
+void GLAPIENTRY
+_mesa_StencilOp(GLenum fail, GLenum zfail, GLenum zpass)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ const GLint face = ctx->Stencil.ActiveFace;
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glStencilOp()\n");
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (!validate_stencil_op(ctx, fail)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glStencilOp(sfail)");
+ return;
+ }
+ if (!validate_stencil_op(ctx, zfail)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glStencilOp(zfail)");
+ return;
+ }
+ if (!validate_stencil_op(ctx, zpass)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glStencilOp(zpass)");
+ return;
+ }
+
+ if (face != 0) {
+ /* only set active face state */
+ if (ctx->Stencil.ZFailFunc[face] == zfail &&
+ ctx->Stencil.ZPassFunc[face] == zpass &&
+ ctx->Stencil.FailFunc[face] == fail)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_STENCIL);
+ ctx->Stencil.ZFailFunc[face] = zfail;
+ ctx->Stencil.ZPassFunc[face] = zpass;
+ ctx->Stencil.FailFunc[face] = fail;
+
+ /* Only propagate the change to the driver if EXT_stencil_two_side
+ * is enabled.
+ */
+ if (ctx->Driver.StencilOpSeparate && ctx->Stencil.TestTwoSide) {
+ ctx->Driver.StencilOpSeparate(ctx, GL_BACK, fail, zfail, zpass);
+ }
+ }
+ else {
+ /* set both front and back state */
+ if (ctx->Stencil.ZFailFunc[0] == zfail &&
+ ctx->Stencil.ZFailFunc[1] == zfail &&
+ ctx->Stencil.ZPassFunc[0] == zpass &&
+ ctx->Stencil.ZPassFunc[1] == zpass &&
+ ctx->Stencil.FailFunc[0] == fail &&
+ ctx->Stencil.FailFunc[1] == fail)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_STENCIL);
+ ctx->Stencil.ZFailFunc[0] = ctx->Stencil.ZFailFunc[1] = zfail;
+ ctx->Stencil.ZPassFunc[0] = ctx->Stencil.ZPassFunc[1] = zpass;
+ ctx->Stencil.FailFunc[0] = ctx->Stencil.FailFunc[1] = fail;
+ if (ctx->Driver.StencilOpSeparate) {
+ ctx->Driver.StencilOpSeparate(ctx,
+ ((ctx->Stencil.TestTwoSide)
+ ? GL_FRONT : GL_FRONT_AND_BACK),
+ fail, zfail, zpass);
+ }
+ }
+}
+
+
+
+#if _HAVE_FULL_GL
+/* GL_EXT_stencil_two_side */
+void GLAPIENTRY
+_mesa_ActiveStencilFaceEXT(GLenum face)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glActiveStencilFaceEXT()\n");
+
+ if (!ctx->Extensions.EXT_stencil_two_side) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glActiveStencilFaceEXT");
+ return;
+ }
+
+ if (face == GL_FRONT || face == GL_BACK) {
+ FLUSH_VERTICES(ctx, _NEW_STENCIL);
+ ctx->Stencil.ActiveFace = (face == GL_FRONT) ? 0 : 2;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glActiveStencilFaceEXT(face)");
+ }
+}
+#endif
+
+
+
+/**
+ * OpenGL 2.0 function.
+ * \todo Make StencilOp() call this function. And eventually remove the
+ * ctx->Driver.StencilOp function and use ctx->Driver.StencilOpSeparate
+ * instead.
+ */
+void GLAPIENTRY
+_mesa_StencilOpSeparate(GLenum face, GLenum sfail, GLenum zfail, GLenum zpass)
+{
+ GLboolean set = GL_FALSE;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glStencilOpSeparate()\n");
+
+ if (!validate_stencil_op(ctx, sfail)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glStencilOpSeparate(sfail)");
+ return;
+ }
+ if (!validate_stencil_op(ctx, zfail)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glStencilOpSeparate(zfail)");
+ return;
+ }
+ if (!validate_stencil_op(ctx, zpass)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glStencilOpSeparate(zpass)");
+ return;
+ }
+ if (face != GL_FRONT && face != GL_BACK && face != GL_FRONT_AND_BACK) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glStencilOpSeparate(face)");
+ return;
+ }
+
+ if (face != GL_BACK) {
+ /* set front */
+ if (ctx->Stencil.ZFailFunc[0] != zfail ||
+ ctx->Stencil.ZPassFunc[0] != zpass ||
+ ctx->Stencil.FailFunc[0] != sfail){
+ FLUSH_VERTICES(ctx, _NEW_STENCIL);
+ ctx->Stencil.ZFailFunc[0] = zfail;
+ ctx->Stencil.ZPassFunc[0] = zpass;
+ ctx->Stencil.FailFunc[0] = sfail;
+ set = GL_TRUE;
+ }
+ }
+ if (face != GL_FRONT) {
+ /* set back */
+ if (ctx->Stencil.ZFailFunc[1] != zfail ||
+ ctx->Stencil.ZPassFunc[1] != zpass ||
+ ctx->Stencil.FailFunc[1] != sfail) {
+ FLUSH_VERTICES(ctx, _NEW_STENCIL);
+ ctx->Stencil.ZFailFunc[1] = zfail;
+ ctx->Stencil.ZPassFunc[1] = zpass;
+ ctx->Stencil.FailFunc[1] = sfail;
+ set = GL_TRUE;
+ }
+ }
+ if (set && ctx->Driver.StencilOpSeparate) {
+ ctx->Driver.StencilOpSeparate(ctx, face, sfail, zfail, zpass);
+ }
+}
+
+
+/* OpenGL 2.0 */
+void GLAPIENTRY
+_mesa_StencilFuncSeparate(GLenum face, GLenum func, GLint ref, GLuint mask)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ const GLint stencilMax = (1 << ctx->DrawBuffer->Visual.stencilBits) - 1;
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glStencilFuncSeparate()\n");
+
+ if (face != GL_FRONT && face != GL_BACK && face != GL_FRONT_AND_BACK) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glStencilFuncSeparate(face)");
+ return;
+ }
+ if (!validate_stencil_func(ctx, func)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glStencilFuncSeparate(func)");
+ return;
+ }
+
+ ref = CLAMP(ref, 0, stencilMax);
+
+ FLUSH_VERTICES(ctx, _NEW_STENCIL);
+
+ if (face != GL_BACK) {
+ /* set front */
+ ctx->Stencil.Function[0] = func;
+ ctx->Stencil.Ref[0] = ref;
+ ctx->Stencil.ValueMask[0] = mask;
+ }
+ if (face != GL_FRONT) {
+ /* set back */
+ ctx->Stencil.Function[1] = func;
+ ctx->Stencil.Ref[1] = ref;
+ ctx->Stencil.ValueMask[1] = mask;
+ }
+ if (ctx->Driver.StencilFuncSeparate) {
+ ctx->Driver.StencilFuncSeparate(ctx, face, func, ref, mask);
+ }
+}
+
+
+/* OpenGL 2.0 */
+void GLAPIENTRY
+_mesa_StencilMaskSeparate(GLenum face, GLuint mask)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glStencilMaskSeparate()\n");
+
+ if (face != GL_FRONT && face != GL_BACK && face != GL_FRONT_AND_BACK) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glStencilaMaskSeparate(face)");
+ return;
+ }
+
+ FLUSH_VERTICES(ctx, _NEW_STENCIL);
+
+ if (face != GL_BACK) {
+ ctx->Stencil.WriteMask[0] = mask;
+ }
+ if (face != GL_FRONT) {
+ ctx->Stencil.WriteMask[1] = mask;
+ }
+ if (ctx->Driver.StencilMaskSeparate) {
+ ctx->Driver.StencilMaskSeparate(ctx, face, mask);
+ }
+}
+
+
+/**
+ * Update derived stencil state.
+ */
+void
+_mesa_update_stencil(struct gl_context *ctx)
+{
+ const GLint face = ctx->Stencil._BackFace;
+
+ ctx->Stencil._Enabled = (ctx->Stencil.Enabled &&
+ ctx->DrawBuffer->Visual.stencilBits > 0);
+
+ ctx->Stencil._TestTwoSide =
+ ctx->Stencil._Enabled &&
+ (ctx->Stencil.Function[0] != ctx->Stencil.Function[face] ||
+ ctx->Stencil.FailFunc[0] != ctx->Stencil.FailFunc[face] ||
+ ctx->Stencil.ZPassFunc[0] != ctx->Stencil.ZPassFunc[face] ||
+ ctx->Stencil.ZFailFunc[0] != ctx->Stencil.ZFailFunc[face] ||
+ ctx->Stencil.Ref[0] != ctx->Stencil.Ref[face] ||
+ ctx->Stencil.ValueMask[0] != ctx->Stencil.ValueMask[face] ||
+ ctx->Stencil.WriteMask[0] != ctx->Stencil.WriteMask[face]);
+}
+
+
+/**
+ * Initialize the context stipple state.
+ *
+ * \param ctx GL context.
+ *
+ * Initializes __struct gl_contextRec::Stencil attribute group.
+ */
+void
+_mesa_init_stencil(struct gl_context *ctx)
+{
+ ctx->Stencil.Enabled = GL_FALSE;
+ ctx->Stencil.TestTwoSide = GL_FALSE;
+ ctx->Stencil.ActiveFace = 0; /* 0 = GL_FRONT, 2 = GL_BACK */
+ ctx->Stencil.Function[0] = GL_ALWAYS;
+ ctx->Stencil.Function[1] = GL_ALWAYS;
+ ctx->Stencil.Function[2] = GL_ALWAYS;
+ ctx->Stencil.FailFunc[0] = GL_KEEP;
+ ctx->Stencil.FailFunc[1] = GL_KEEP;
+ ctx->Stencil.FailFunc[2] = GL_KEEP;
+ ctx->Stencil.ZPassFunc[0] = GL_KEEP;
+ ctx->Stencil.ZPassFunc[1] = GL_KEEP;
+ ctx->Stencil.ZPassFunc[2] = GL_KEEP;
+ ctx->Stencil.ZFailFunc[0] = GL_KEEP;
+ ctx->Stencil.ZFailFunc[1] = GL_KEEP;
+ ctx->Stencil.ZFailFunc[2] = GL_KEEP;
+ ctx->Stencil.Ref[0] = 0;
+ ctx->Stencil.Ref[1] = 0;
+ ctx->Stencil.Ref[2] = 0;
+ ctx->Stencil.ValueMask[0] = ~0U;
+ ctx->Stencil.ValueMask[1] = ~0U;
+ ctx->Stencil.ValueMask[2] = ~0U;
+ ctx->Stencil.WriteMask[0] = ~0U;
+ ctx->Stencil.WriteMask[1] = ~0U;
+ ctx->Stencil.WriteMask[2] = ~0U;
+ ctx->Stencil.Clear = 0;
+ ctx->Stencil._BackFace = 1;
+}
diff --git a/mesalib/src/mesa/main/syncobj.c b/mesalib/src/mesa/main/syncobj.c
index 676038430..25307a17c 100644
--- a/mesalib/src/mesa/main/syncobj.c
+++ b/mesalib/src/mesa/main/syncobj.c
@@ -125,7 +125,7 @@ _mesa_wait_sync(struct gl_context *ctx, struct gl_sync_object *syncObj,
}
-void
+void GLAPIENTRY
_mesa_init_sync_object_functions(struct dd_function_table *driver)
{
driver->NewSyncObject = _mesa_new_sync_object;
@@ -140,7 +140,7 @@ _mesa_init_sync_object_functions(struct dd_function_table *driver)
}
-void
+void GLAPIENTRY
_mesa_init_sync_dispatch(struct _glapi_table *disp)
{
SET_IsSync(disp, _mesa_IsSync);
@@ -156,7 +156,7 @@ _mesa_init_sync_dispatch(struct _glapi_table *disp)
/**
* Allocate/init the context state related to sync objects.
*/
-void
+void GLAPIENTRY
_mesa_init_sync(struct gl_context *ctx)
{
(void) ctx;
@@ -166,7 +166,7 @@ _mesa_init_sync(struct gl_context *ctx)
/**
* Free the context state related to sync objects.
*/
-void
+void GLAPIENTRY
_mesa_free_sync_data(struct gl_context *ctx)
{
(void) ctx;
@@ -182,7 +182,7 @@ _mesa_validate_sync(struct gl_sync_object *syncObj)
}
-void
+void GLAPIENTRY
_mesa_ref_sync_object(struct gl_context *ctx, struct gl_sync_object *syncObj)
{
_glthread_LOCK_MUTEX(ctx->Shared->Mutex);
@@ -191,7 +191,7 @@ _mesa_ref_sync_object(struct gl_context *ctx, struct gl_sync_object *syncObj)
}
-void
+void GLAPIENTRY
_mesa_unref_sync_object(struct gl_context *ctx, struct gl_sync_object *syncObj)
{
_glthread_LOCK_MUTEX(ctx->Shared->Mutex);
diff --git a/mesalib/src/mesa/main/syncobj.h b/mesalib/src/mesa/main/syncobj.h
index ac1384f61..e83ac8b0e 100644
--- a/mesalib/src/mesa/main/syncobj.h
+++ b/mesalib/src/mesa/main/syncobj.h
@@ -41,22 +41,22 @@ struct gl_sync_object;
#if FEATURE_ARB_sync
-extern void
+extern void GLAPIENTRY
_mesa_init_sync_object_functions(struct dd_function_table *driver);
-extern void
+extern void GLAPIENTRY
_mesa_init_sync_dispatch(struct _glapi_table *disp);
-extern void
+extern void GLAPIENTRY
_mesa_init_sync(struct gl_context *);
-extern void
+extern void GLAPIENTRY
_mesa_free_sync_data(struct gl_context *);
-extern void
+extern void GLAPIENTRY
_mesa_ref_sync_object(struct gl_context *ctx, struct gl_sync_object *syncObj);
-extern void
+extern void GLAPIENTRY
_mesa_unref_sync_object(struct gl_context *ctx, struct gl_sync_object *syncObj);
extern GLboolean GLAPIENTRY
diff --git a/mesalib/src/mesa/main/texcompress.c b/mesalib/src/mesa/main/texcompress.c
index d820ae927..59603e81e 100644
--- a/mesalib/src/mesa/main/texcompress.c
+++ b/mesalib/src/mesa/main/texcompress.c
@@ -1,288 +1,288 @@
-/*
- * Mesa 3-D graphics library
- * Version: 6.5.1
- *
- * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
- * Copyright (c) 2008 VMware, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-/**
- * \file texcompress.c
- * Helper functions for texture compression.
- */
-
-
-#include "glheader.h"
-#include "imports.h"
-#include "colormac.h"
-#include "formats.h"
-#include "mfeatures.h"
-#include "mtypes.h"
-#include "texcompress.h"
-
-
-/**
- * Return list of (and count of) all specific texture compression
- * formats that are supported.
- *
- * \param ctx the GL context
- * \param formats the resulting format list (may be NULL).
- * \param all if true return all formats, even those with some kind
- * of restrictions/limitations (See GL_ARB_texture_compression
- * spec for more info).
- *
- * \return number of formats.
- */
-GLuint
-_mesa_get_compressed_formats(struct gl_context *ctx, GLint *formats, GLboolean all)
-{
- GLuint n = 0;
- if (ctx->Extensions.TDFX_texture_compression_FXT1) {
- if (formats) {
- formats[n++] = GL_COMPRESSED_RGB_FXT1_3DFX;
- formats[n++] = GL_COMPRESSED_RGBA_FXT1_3DFX;
- }
- else {
- n += 2;
- }
- }
- /* don't return RGTC - ARB_texture_compression_rgtc query 19 */
- if (ctx->Extensions.EXT_texture_compression_s3tc) {
- if (formats) {
- formats[n++] = GL_COMPRESSED_RGB_S3TC_DXT1_EXT;
- /* This format has some restrictions/limitations and so should
- * not be returned via the GL_COMPRESSED_TEXTURE_FORMATS query.
- * Specifically, all transparent pixels become black. NVIDIA
- * omits this format too.
- */
- if (all)
- formats[n++] = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
- formats[n++] = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
- formats[n++] = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
- }
- else {
- n += 3;
- if (all)
- n += 1;
- }
- }
- if (ctx->Extensions.S3_s3tc) {
- if (formats) {
- formats[n++] = GL_RGB_S3TC;
- formats[n++] = GL_RGB4_S3TC;
- formats[n++] = GL_RGBA_S3TC;
- formats[n++] = GL_RGBA4_S3TC;
- }
- else {
- n += 4;
- }
- }
-#if FEATURE_EXT_texture_sRGB
- if (ctx->Extensions.EXT_texture_sRGB) {
- if (formats) {
- formats[n++] = GL_COMPRESSED_SRGB_S3TC_DXT1_EXT;
- formats[n++] = GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;
- formats[n++] = GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;
- formats[n++] = GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT;
- }
- else {
- n += 4;
- }
- }
-#endif /* FEATURE_EXT_texture_sRGB */
- return n;
-
-#if FEATURE_ES1 || FEATURE_ES2
- if (formats) {
- formats[n++] = GL_PALETTE4_RGB8_OES;
- formats[n++] = GL_PALETTE4_RGBA8_OES;
- formats[n++] = GL_PALETTE4_R5_G6_B5_OES;
- formats[n++] = GL_PALETTE4_RGBA4_OES;
- formats[n++] = GL_PALETTE4_RGB5_A1_OES;
- formats[n++] = GL_PALETTE8_RGB8_OES;
- formats[n++] = GL_PALETTE8_RGBA8_OES;
- formats[n++] = GL_PALETTE8_R5_G6_B5_OES;
- formats[n++] = GL_PALETTE8_RGBA4_OES;
- formats[n++] = GL_PALETTE8_RGB5_A1_OES;
- }
- else {
- n += 10;
- }
-#endif
-}
-
-
-/**
- * Convert a compressed MESA_FORMAT_x to a GLenum.
- */
-gl_format
-_mesa_glenum_to_compressed_format(GLenum format)
-{
- switch (format) {
- case GL_COMPRESSED_RGB_FXT1_3DFX:
- return MESA_FORMAT_RGB_FXT1;
- case GL_COMPRESSED_RGBA_FXT1_3DFX:
- return MESA_FORMAT_RGBA_FXT1;
-
- case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
- case GL_RGB_S3TC:
- return MESA_FORMAT_RGB_DXT1;
- case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
- case GL_RGB4_S3TC:
- return MESA_FORMAT_RGBA_DXT1;
- case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
- case GL_RGBA_S3TC:
- return MESA_FORMAT_RGBA_DXT3;
- case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
- case GL_RGBA4_S3TC:
- return MESA_FORMAT_RGBA_DXT5;
-
- case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
- return MESA_FORMAT_SRGB_DXT1;
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
- return MESA_FORMAT_SRGBA_DXT1;
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
- return MESA_FORMAT_SRGBA_DXT3;
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
- return MESA_FORMAT_SRGBA_DXT5;
-
- case GL_COMPRESSED_RED_RGTC1:
- return MESA_FORMAT_RED_RGTC1;
- case GL_COMPRESSED_SIGNED_RED_RGTC1:
- return MESA_FORMAT_SIGNED_RED_RGTC1;
- case GL_COMPRESSED_RG_RGTC2:
- return MESA_FORMAT_RG_RGTC2;
- case GL_COMPRESSED_SIGNED_RG_RGTC2:
- return MESA_FORMAT_SIGNED_RG_RGTC2;
-
- case GL_COMPRESSED_LUMINANCE_LATC1_EXT:
- return MESA_FORMAT_L_LATC1;
- case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT:
- return MESA_FORMAT_SIGNED_L_LATC1;
- case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT:
- case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI:
- return MESA_FORMAT_LA_LATC2;
- case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT:
- return MESA_FORMAT_SIGNED_LA_LATC2;
-
- default:
- return MESA_FORMAT_NONE;
- }
-}
-
-
-/**
- * Given a compressed MESA_FORMAT_x value, return the corresponding
- * GLenum for that format.
- * This is needed for glGetTexLevelParameter(GL_TEXTURE_INTERNAL_FORMAT)
- * which must return the specific texture format used when the user might
- * have originally specified a generic compressed format in their
- * glTexImage2D() call.
- * For non-compressed textures, we always return the user-specified
- * internal format unchanged.
- */
-GLenum
-_mesa_compressed_format_to_glenum(struct gl_context *ctx, GLuint mesaFormat)
-{
- switch (mesaFormat) {
-#if FEATURE_texture_fxt1
- case MESA_FORMAT_RGB_FXT1:
- return GL_COMPRESSED_RGB_FXT1_3DFX;
- case MESA_FORMAT_RGBA_FXT1:
- return GL_COMPRESSED_RGBA_FXT1_3DFX;
-#endif
-#if FEATURE_texture_s3tc
- case MESA_FORMAT_RGB_DXT1:
- return GL_COMPRESSED_RGB_S3TC_DXT1_EXT;
- case MESA_FORMAT_RGBA_DXT1:
- return GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
- case MESA_FORMAT_RGBA_DXT3:
- return GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
- case MESA_FORMAT_RGBA_DXT5:
- return GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
-#if FEATURE_EXT_texture_sRGB
- case MESA_FORMAT_SRGB_DXT1:
- return GL_COMPRESSED_SRGB_S3TC_DXT1_EXT;
- case MESA_FORMAT_SRGBA_DXT1:
- return GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;
- case MESA_FORMAT_SRGBA_DXT3:
- return GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;
- case MESA_FORMAT_SRGBA_DXT5:
- return GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT;
-#endif
-#endif
-
- case MESA_FORMAT_RED_RGTC1:
- return GL_COMPRESSED_RED_RGTC1;
- case MESA_FORMAT_SIGNED_RED_RGTC1:
- return GL_COMPRESSED_SIGNED_RED_RGTC1;
- case MESA_FORMAT_RG_RGTC2:
- return GL_COMPRESSED_RG_RGTC2;
- case MESA_FORMAT_SIGNED_RG_RGTC2:
- return GL_COMPRESSED_SIGNED_RG_RGTC2;
-
- case MESA_FORMAT_L_LATC1:
- return GL_COMPRESSED_LUMINANCE_LATC1_EXT;
- case MESA_FORMAT_SIGNED_L_LATC1:
- return GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT;
- case MESA_FORMAT_LA_LATC2:
- return GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT;
- case MESA_FORMAT_SIGNED_LA_LATC2:
- return GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT;
-
- default:
- _mesa_problem(ctx, "Unexpected mesa texture format in"
- " _mesa_compressed_format_to_glenum()");
- return 0;
- }
-}
-
-
-/*
- * Return the address of the pixel at (col, row, img) in a
- * compressed texture image.
- * \param col, row, img - image position (3D), should be a multiple of the
- * format's block size.
- * \param format - compressed image format
- * \param width - image width (stride) in pixels
- * \param image - the image address
- * \return address of pixel at (row, col, img)
- */
-GLubyte *
-_mesa_compressed_image_address(GLint col, GLint row, GLint img,
- gl_format mesaFormat,
- GLsizei width, const GLubyte *image)
-{
- /* XXX only 2D images implemented, not 3D */
- const GLuint blockSize = _mesa_get_format_bytes(mesaFormat);
- GLuint bw, bh;
- GLint offset;
-
- _mesa_get_format_block_size(mesaFormat, &bw, &bh);
-
- ASSERT(col % bw == 0);
- ASSERT(row % bh == 0);
-
- offset = ((width + bw - 1) / bw) * (row / bh) + col / bw;
- offset *= blockSize;
-
- return (GLubyte *) image + offset;
-}
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5.1
+ *
+ * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
+ * Copyright (c) 2008 VMware, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/**
+ * \file texcompress.c
+ * Helper functions for texture compression.
+ */
+
+
+#include "glheader.h"
+#include "imports.h"
+#include "colormac.h"
+#include "formats.h"
+#include "mfeatures.h"
+#include "mtypes.h"
+#include "texcompress.h"
+
+
+/**
+ * Return list of (and count of) all specific texture compression
+ * formats that are supported.
+ *
+ * \param ctx the GL context
+ * \param formats the resulting format list (may be NULL).
+ * \param all if true return all formats, even those with some kind
+ * of restrictions/limitations (See GL_ARB_texture_compression
+ * spec for more info).
+ *
+ * \return number of formats.
+ */
+GLuint
+_mesa_get_compressed_formats(struct gl_context *ctx, GLint *formats, GLboolean all)
+{
+ GLuint n = 0;
+ if (ctx->Extensions.TDFX_texture_compression_FXT1) {
+ if (formats) {
+ formats[n++] = GL_COMPRESSED_RGB_FXT1_3DFX;
+ formats[n++] = GL_COMPRESSED_RGBA_FXT1_3DFX;
+ }
+ else {
+ n += 2;
+ }
+ }
+ /* don't return RGTC - ARB_texture_compression_rgtc query 19 */
+ if (ctx->Extensions.EXT_texture_compression_s3tc) {
+ if (formats) {
+ formats[n++] = GL_COMPRESSED_RGB_S3TC_DXT1_EXT;
+ /* This format has some restrictions/limitations and so should
+ * not be returned via the GL_COMPRESSED_TEXTURE_FORMATS query.
+ * Specifically, all transparent pixels become black. NVIDIA
+ * omits this format too.
+ */
+ if (all)
+ formats[n++] = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
+ formats[n++] = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
+ formats[n++] = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
+ }
+ else {
+ n += 3;
+ if (all)
+ n += 1;
+ }
+ }
+ if (ctx->Extensions.S3_s3tc) {
+ if (formats) {
+ formats[n++] = GL_RGB_S3TC;
+ formats[n++] = GL_RGB4_S3TC;
+ formats[n++] = GL_RGBA_S3TC;
+ formats[n++] = GL_RGBA4_S3TC;
+ }
+ else {
+ n += 4;
+ }
+ }
+#if FEATURE_EXT_texture_sRGB
+ if (ctx->Extensions.EXT_texture_sRGB) {
+ if (formats) {
+ formats[n++] = GL_COMPRESSED_SRGB_S3TC_DXT1_EXT;
+ formats[n++] = GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;
+ formats[n++] = GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;
+ formats[n++] = GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT;
+ }
+ else {
+ n += 4;
+ }
+ }
+#endif /* FEATURE_EXT_texture_sRGB */
+ return n;
+
+#if FEATURE_ES1 || FEATURE_ES2
+ if (formats) {
+ formats[n++] = GL_PALETTE4_RGB8_OES;
+ formats[n++] = GL_PALETTE4_RGBA8_OES;
+ formats[n++] = GL_PALETTE4_R5_G6_B5_OES;
+ formats[n++] = GL_PALETTE4_RGBA4_OES;
+ formats[n++] = GL_PALETTE4_RGB5_A1_OES;
+ formats[n++] = GL_PALETTE8_RGB8_OES;
+ formats[n++] = GL_PALETTE8_RGBA8_OES;
+ formats[n++] = GL_PALETTE8_R5_G6_B5_OES;
+ formats[n++] = GL_PALETTE8_RGBA4_OES;
+ formats[n++] = GL_PALETTE8_RGB5_A1_OES;
+ }
+ else {
+ n += 10;
+ }
+#endif
+}
+
+
+/**
+ * Convert a compressed MESA_FORMAT_x to a GLenum.
+ */
+gl_format
+_mesa_glenum_to_compressed_format(GLenum format)
+{
+ switch (format) {
+ case GL_COMPRESSED_RGB_FXT1_3DFX:
+ return MESA_FORMAT_RGB_FXT1;
+ case GL_COMPRESSED_RGBA_FXT1_3DFX:
+ return MESA_FORMAT_RGBA_FXT1;
+
+ case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+ case GL_RGB_S3TC:
+ return MESA_FORMAT_RGB_DXT1;
+ case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+ case GL_RGB4_S3TC:
+ return MESA_FORMAT_RGBA_DXT1;
+ case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
+ case GL_RGBA_S3TC:
+ return MESA_FORMAT_RGBA_DXT3;
+ case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
+ case GL_RGBA4_S3TC:
+ return MESA_FORMAT_RGBA_DXT5;
+
+ case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
+ return MESA_FORMAT_SRGB_DXT1;
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
+ return MESA_FORMAT_SRGBA_DXT1;
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
+ return MESA_FORMAT_SRGBA_DXT3;
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
+ return MESA_FORMAT_SRGBA_DXT5;
+
+ case GL_COMPRESSED_RED_RGTC1:
+ return MESA_FORMAT_RED_RGTC1;
+ case GL_COMPRESSED_SIGNED_RED_RGTC1:
+ return MESA_FORMAT_SIGNED_RED_RGTC1;
+ case GL_COMPRESSED_RG_RGTC2:
+ return MESA_FORMAT_RG_RGTC2;
+ case GL_COMPRESSED_SIGNED_RG_RGTC2:
+ return MESA_FORMAT_SIGNED_RG_RGTC2;
+
+ case GL_COMPRESSED_LUMINANCE_LATC1_EXT:
+ return MESA_FORMAT_L_LATC1;
+ case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT:
+ return MESA_FORMAT_SIGNED_L_LATC1;
+ case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT:
+ case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI:
+ return MESA_FORMAT_LA_LATC2;
+ case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT:
+ return MESA_FORMAT_SIGNED_LA_LATC2;
+
+ default:
+ return MESA_FORMAT_NONE;
+ }
+}
+
+
+/**
+ * Given a compressed MESA_FORMAT_x value, return the corresponding
+ * GLenum for that format.
+ * This is needed for glGetTexLevelParameter(GL_TEXTURE_INTERNAL_FORMAT)
+ * which must return the specific texture format used when the user might
+ * have originally specified a generic compressed format in their
+ * glTexImage2D() call.
+ * For non-compressed textures, we always return the user-specified
+ * internal format unchanged.
+ */
+GLenum
+_mesa_compressed_format_to_glenum(struct gl_context *ctx, GLuint mesaFormat)
+{
+ switch (mesaFormat) {
+#if FEATURE_texture_fxt1
+ case MESA_FORMAT_RGB_FXT1:
+ return GL_COMPRESSED_RGB_FXT1_3DFX;
+ case MESA_FORMAT_RGBA_FXT1:
+ return GL_COMPRESSED_RGBA_FXT1_3DFX;
+#endif
+#if FEATURE_texture_s3tc
+ case MESA_FORMAT_RGB_DXT1:
+ return GL_COMPRESSED_RGB_S3TC_DXT1_EXT;
+ case MESA_FORMAT_RGBA_DXT1:
+ return GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
+ case MESA_FORMAT_RGBA_DXT3:
+ return GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
+ case MESA_FORMAT_RGBA_DXT5:
+ return GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
+#if FEATURE_EXT_texture_sRGB
+ case MESA_FORMAT_SRGB_DXT1:
+ return GL_COMPRESSED_SRGB_S3TC_DXT1_EXT;
+ case MESA_FORMAT_SRGBA_DXT1:
+ return GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;
+ case MESA_FORMAT_SRGBA_DXT3:
+ return GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;
+ case MESA_FORMAT_SRGBA_DXT5:
+ return GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT;
+#endif
+#endif
+
+ case MESA_FORMAT_RED_RGTC1:
+ return GL_COMPRESSED_RED_RGTC1;
+ case MESA_FORMAT_SIGNED_RED_RGTC1:
+ return GL_COMPRESSED_SIGNED_RED_RGTC1;
+ case MESA_FORMAT_RG_RGTC2:
+ return GL_COMPRESSED_RG_RGTC2;
+ case MESA_FORMAT_SIGNED_RG_RGTC2:
+ return GL_COMPRESSED_SIGNED_RG_RGTC2;
+
+ case MESA_FORMAT_L_LATC1:
+ return GL_COMPRESSED_LUMINANCE_LATC1_EXT;
+ case MESA_FORMAT_SIGNED_L_LATC1:
+ return GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT;
+ case MESA_FORMAT_LA_LATC2:
+ return GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT;
+ case MESA_FORMAT_SIGNED_LA_LATC2:
+ return GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT;
+
+ default:
+ _mesa_problem(ctx, "Unexpected mesa texture format in"
+ " _mesa_compressed_format_to_glenum()");
+ return 0;
+ }
+}
+
+
+/*
+ * Return the address of the pixel at (col, row, img) in a
+ * compressed texture image.
+ * \param col, row, img - image position (3D), should be a multiple of the
+ * format's block size.
+ * \param format - compressed image format
+ * \param width - image width (stride) in pixels
+ * \param image - the image address
+ * \return address of pixel at (row, col, img)
+ */
+GLubyte *
+_mesa_compressed_image_address(GLint col, GLint row, GLint img,
+ gl_format mesaFormat,
+ GLsizei width, const GLubyte *image)
+{
+ /* XXX only 2D images implemented, not 3D */
+ const GLuint blockSize = _mesa_get_format_bytes(mesaFormat);
+ GLuint bw, bh;
+ GLint offset;
+
+ _mesa_get_format_block_size(mesaFormat, &bw, &bh);
+
+ ASSERT(col % bw == 0);
+ ASSERT(row % bh == 0);
+
+ offset = ((width + bw - 1) / bw) * (row / bh) + col / bw;
+ offset *= blockSize;
+
+ return (GLubyte *) image + offset;
+}
diff --git a/mesalib/src/mesa/main/texcompress_rgtc.c b/mesalib/src/mesa/main/texcompress_rgtc.c
index c50df19c5..60146d09b 100644
--- a/mesalib/src/mesa/main/texcompress_rgtc.c
+++ b/mesalib/src/mesa/main/texcompress_rgtc.c
@@ -1,460 +1,460 @@
-/*
- * Copyright (C) 2011 Red Hat Inc.
- *
- * block compression parts are:
- * Copyright (C) 2004 Roland Scheidegger All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Author:
- * Dave Airlie
- */
-
-/**
- * \file texcompress_rgtc.c
- * GL_EXT_texture_compression_rgtc support.
- */
-
-
-#include "glheader.h"
-#include "imports.h"
-#include "colormac.h"
-#include "image.h"
-#include "macros.h"
-#include "mfeatures.h"
-#include "mipmap.h"
-#include "texcompress.h"
-#include "texcompress_rgtc.h"
-#include "texstore.h"
-
-#define RGTC_DEBUG 0
-
-static void unsigned_encode_rgtc_chan(GLubyte *blkaddr, GLubyte srccolors[4][4],
- GLint numxpixels, GLint numypixels);
-static void signed_encode_rgtc_chan(GLbyte *blkaddr, GLbyte srccolors[4][4],
- GLint numxpixels, GLint numypixels);
-
-static void unsigned_fetch_texel_rgtc(unsigned srcRowStride, const GLubyte *pixdata,
- unsigned i, unsigned j, GLubyte *value, unsigned comps);
-
-static void signed_fetch_texel_rgtc(unsigned srcRowStride, const GLbyte *pixdata,
- unsigned i, unsigned j, GLbyte *value, unsigned comps);
-
-static void extractsrc_u( GLubyte srcpixels[4][4], const GLchan *srcaddr,
- GLint srcRowStride, GLint numxpixels, GLint numypixels, GLint comps)
-{
- GLubyte i, j;
- const GLchan *curaddr;
- for (j = 0; j < numypixels; j++) {
- curaddr = srcaddr + j * srcRowStride * comps;
- for (i = 0; i < numxpixels; i++) {
- srcpixels[j][i] = *curaddr / (CHAN_MAX / 255);
- curaddr += comps;
- }
- }
-}
-
-static void extractsrc_s( GLbyte srcpixels[4][4], const GLfloat *srcaddr,
- GLint srcRowStride, GLint numxpixels, GLint numypixels, GLint comps)
-{
- GLubyte i, j;
- const GLfloat *curaddr;
- for (j = 0; j < numypixels; j++) {
- curaddr = srcaddr + j * srcRowStride * comps;
- for (i = 0; i < numxpixels; i++) {
- srcpixels[j][i] = FLOAT_TO_BYTE_TEX(*curaddr);
- curaddr += comps;
- }
- }
-}
-
-
-GLboolean
-_mesa_texstore_red_rgtc1(TEXSTORE_PARAMS)
-{
- GLubyte *dst;
- const GLint texWidth = dstRowStride * 4 / 8; /* a bit of a hack */
- const GLchan *tempImage = NULL;
- int i, j;
- int numxpixels, numypixels;
- const GLchan *srcaddr;
- GLubyte srcpixels[4][4];
- GLubyte *blkaddr;
- GLint dstRowDiff;
- ASSERT(dstFormat == MESA_FORMAT_RED_RGTC1 ||
- dstFormat == MESA_FORMAT_L_LATC1);
- ASSERT(dstXoffset % 4 == 0);
- ASSERT(dstYoffset % 4 == 0);
- ASSERT(dstZoffset % 4 == 0);
- (void) dstZoffset;
- (void) dstImageOffsets;
-
-
- tempImage = _mesa_make_temp_chan_image(ctx, dims,
- baseInternalFormat,
- _mesa_get_format_base_format(dstFormat),
- srcWidth, srcHeight, srcDepth,
- srcFormat, srcType, srcAddr,
- srcPacking);
- if (!tempImage)
- return GL_FALSE; /* out of memory */
-
- dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
- dstFormat,
- texWidth, (GLubyte *) dstAddr);
-
- blkaddr = dst;
- dstRowDiff = dstRowStride >= (srcWidth * 4) ? dstRowStride - (((srcWidth + 3) & ~3) * 4) : 0;
- for (j = 0; j < srcHeight; j+=4) {
- if (srcHeight > j + 3) numypixels = 4;
- else numypixels = srcHeight - j;
- srcaddr = tempImage + j * srcWidth;
- for (i = 0; i < srcWidth; i += 4) {
- if (srcWidth > i + 3) numxpixels = 4;
- else numxpixels = srcWidth - i;
- extractsrc_u(srcpixels, srcaddr, srcWidth, numxpixels, numypixels, 1);
- unsigned_encode_rgtc_chan(blkaddr, srcpixels, numxpixels, numypixels);
- srcaddr += numxpixels;
- blkaddr += 8;
- }
- blkaddr += dstRowDiff;
- }
- if (tempImage)
- free((void *) tempImage);
-
- return GL_TRUE;
-}
-
-GLboolean
-_mesa_texstore_signed_red_rgtc1(TEXSTORE_PARAMS)
-{
- GLbyte *dst;
- const GLint texWidth = dstRowStride * 4 / 8; /* a bit of a hack */
- const GLfloat *tempImage = NULL;
- int i, j;
- int numxpixels, numypixels;
- const GLfloat *srcaddr;
- GLbyte srcpixels[4][4];
- GLbyte *blkaddr;
- GLint dstRowDiff;
- ASSERT(dstFormat == MESA_FORMAT_SIGNED_RED_RGTC1 ||
- dstFormat == MESA_FORMAT_SIGNED_L_LATC1);
- ASSERT(dstXoffset % 4 == 0);
- ASSERT(dstYoffset % 4 == 0);
- ASSERT(dstZoffset % 4 == 0);
- (void) dstZoffset;
- (void) dstImageOffsets;
-
- tempImage = _mesa_make_temp_float_image(ctx, dims,
- baseInternalFormat,
- _mesa_get_format_base_format(dstFormat),
- srcWidth, srcHeight, srcDepth,
- srcFormat, srcType, srcAddr,
- srcPacking, 0x0);
- if (!tempImage)
- return GL_FALSE; /* out of memory */
-
- dst = (GLbyte *)_mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
- dstFormat,
- texWidth, (GLubyte *) dstAddr);
-
- blkaddr = dst;
- dstRowDiff = dstRowStride >= (srcWidth * 4) ? dstRowStride - (((srcWidth + 3) & ~3) * 4) : 0;
- for (j = 0; j < srcHeight; j+=4) {
- if (srcHeight > j + 3) numypixels = 4;
- else numypixels = srcHeight - j;
- srcaddr = tempImage + j * srcWidth;
- for (i = 0; i < srcWidth; i += 4) {
- if (srcWidth > i + 3) numxpixels = 4;
- else numxpixels = srcWidth - i;
- extractsrc_s(srcpixels, srcaddr, srcWidth, numxpixels, numypixels, 1);
- signed_encode_rgtc_chan(blkaddr, srcpixels, numxpixels, numypixels);
- srcaddr += numxpixels;
- blkaddr += 8;
- }
- blkaddr += dstRowDiff;
- }
- if (tempImage)
- free((void *) tempImage);
-
- return GL_TRUE;
-}
-
-GLboolean
-_mesa_texstore_rg_rgtc2(TEXSTORE_PARAMS)
-{
- GLubyte *dst;
- const GLint texWidth = dstRowStride * 4 / 16; /* a bit of a hack */
- const GLchan *tempImage = NULL;
- int i, j;
- int numxpixels, numypixels;
- const GLchan *srcaddr;
- GLubyte srcpixels[4][4];
- GLubyte *blkaddr;
- GLint dstRowDiff;
-
- ASSERT(dstFormat == MESA_FORMAT_RG_RGTC2 ||
- dstFormat == MESA_FORMAT_LA_LATC2);
- ASSERT(dstXoffset % 4 == 0);
- ASSERT(dstYoffset % 4 == 0);
- ASSERT(dstZoffset % 4 == 0);
- (void) dstZoffset;
- (void) dstImageOffsets;
-
- tempImage = _mesa_make_temp_chan_image(ctx, dims,
- baseInternalFormat,
- _mesa_get_format_base_format(dstFormat),
- srcWidth, srcHeight, srcDepth,
- srcFormat, srcType, srcAddr,
- srcPacking);
- if (!tempImage)
- return GL_FALSE; /* out of memory */
-
- dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
- dstFormat,
- texWidth, (GLubyte *) dstAddr);
-
- blkaddr = dst;
- dstRowDiff = dstRowStride >= (srcWidth * 8) ? dstRowStride - (((srcWidth + 7) & ~7) * 8) : 0;
- for (j = 0; j < srcHeight; j+=4) {
- if (srcHeight > j + 3) numypixels = 4;
- else numypixels = srcHeight - j;
- srcaddr = tempImage + j * srcWidth * 2;
- for (i = 0; i < srcWidth; i += 4) {
- if (srcWidth > i + 3) numxpixels = 4;
- else numxpixels = srcWidth - i;
- extractsrc_u(srcpixels, srcaddr, srcWidth, numxpixels, numypixels, 2);
- unsigned_encode_rgtc_chan(blkaddr, srcpixels, numxpixels, numypixels);
-
- blkaddr += 8;
- extractsrc_u(srcpixels, (GLchan *)srcaddr + 1, srcWidth, numxpixels, numypixels, 2);
- unsigned_encode_rgtc_chan(blkaddr, srcpixels, numxpixels, numypixels);
-
- blkaddr += 8;
-
- srcaddr += numxpixels * 2;
- }
- blkaddr += dstRowDiff;
- }
- if (tempImage)
- free((void *) tempImage);
-
- return GL_TRUE;
-}
-
-GLboolean
-_mesa_texstore_signed_rg_rgtc2(TEXSTORE_PARAMS)
-{
- GLbyte *dst;
- const GLint texWidth = dstRowStride * 4 / 16; /* a bit of a hack */
- const GLfloat *tempImage = NULL;
- int i, j;
- int numxpixels, numypixels;
- const GLfloat *srcaddr;
- GLbyte srcpixels[4][4];
- GLbyte *blkaddr;
- GLint dstRowDiff;
-
- ASSERT(dstFormat == MESA_FORMAT_SIGNED_RG_RGTC2 ||
- dstFormat == MESA_FORMAT_SIGNED_LA_LATC2);
- ASSERT(dstXoffset % 4 == 0);
- ASSERT(dstYoffset % 4 == 0);
- ASSERT(dstZoffset % 4 == 0);
- (void) dstZoffset;
- (void) dstImageOffsets;
-
- tempImage = _mesa_make_temp_float_image(ctx, dims,
- baseInternalFormat,
- _mesa_get_format_base_format(dstFormat),
- srcWidth, srcHeight, srcDepth,
- srcFormat, srcType, srcAddr,
- srcPacking, 0x0);
- if (!tempImage)
- return GL_FALSE; /* out of memory */
-
- dst = (GLbyte *)_mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
- dstFormat,
- texWidth, (GLubyte *) dstAddr);
-
- blkaddr = dst;
- dstRowDiff = dstRowStride >= (srcWidth * 8) ? dstRowStride - (((srcWidth + 7) & ~7) * 8) : 0;
- for (j = 0; j < srcHeight; j += 4) {
- if (srcHeight > j + 3) numypixels = 4;
- else numypixels = srcHeight - j;
- srcaddr = tempImage + j * srcWidth * 2;
- for (i = 0; i < srcWidth; i += 4) {
- if (srcWidth > i + 3) numxpixels = 4;
- else numxpixels = srcWidth - i;
-
- extractsrc_s(srcpixels, srcaddr, srcWidth, numxpixels, numypixels, 2);
- signed_encode_rgtc_chan(blkaddr, srcpixels, numxpixels, numypixels);
- blkaddr += 8;
-
- extractsrc_s(srcpixels, srcaddr + 1, srcWidth, numxpixels, numypixels, 2);
- signed_encode_rgtc_chan(blkaddr, srcpixels, numxpixels, numypixels);
- blkaddr += 8;
-
- srcaddr += numxpixels * 2;
-
- }
- blkaddr += dstRowDiff;
- }
- if (tempImage)
- free((void *) tempImage);
-
- return GL_TRUE;
-}
-
-void
-_mesa_fetch_texel_2d_f_red_rgtc1(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- GLubyte red;
- unsigned_fetch_texel_rgtc(texImage->RowStride, (GLubyte *)(texImage->Data),
- i, j, &red, 1);
- texel[RCOMP] = UBYTE_TO_FLOAT(red);
- texel[GCOMP] = 0.0;
- texel[BCOMP] = 0.0;
- texel[ACOMP] = 1.0;
-}
-
-void
-_mesa_fetch_texel_2d_f_signed_red_rgtc1(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- GLbyte red;
- signed_fetch_texel_rgtc(texImage->RowStride, (GLbyte *)(texImage->Data),
- i, j, &red, 1);
- texel[RCOMP] = BYTE_TO_FLOAT_TEX(red);
- texel[GCOMP] = 0.0;
- texel[BCOMP] = 0.0;
- texel[ACOMP] = 1.0;
-}
-
-void
-_mesa_fetch_texel_2d_f_rg_rgtc2(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- GLubyte red, green;
- unsigned_fetch_texel_rgtc(texImage->RowStride, (GLubyte *)(texImage->Data),
- i, j, &red, 2);
- unsigned_fetch_texel_rgtc(texImage->RowStride, (GLubyte *)(texImage->Data) + 8,
- i, j, &green, 2);
- texel[RCOMP] = UBYTE_TO_FLOAT(red);
- texel[GCOMP] = UBYTE_TO_FLOAT(green);
- texel[BCOMP] = 0.0;
- texel[ACOMP] = 1.0;
-}
-
-void
-_mesa_fetch_texel_2d_f_signed_rg_rgtc2(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- GLbyte red, green;
- signed_fetch_texel_rgtc(texImage->RowStride, (GLbyte *)(texImage->Data),
- i, j, &red, 2);
- signed_fetch_texel_rgtc(texImage->RowStride, (GLbyte *)(texImage->Data) + 8,
- i, j, &green, 2);
- texel[RCOMP] = BYTE_TO_FLOAT_TEX(red);
- texel[GCOMP] = BYTE_TO_FLOAT_TEX(green);
- texel[BCOMP] = 0.0;
- texel[ACOMP] = 1.0;
-}
-
-void
-_mesa_fetch_texel_2d_f_l_latc1(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- GLubyte red;
- unsigned_fetch_texel_rgtc(texImage->RowStride, (GLubyte *)(texImage->Data),
- i, j, &red, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = UBYTE_TO_FLOAT(red);
- texel[ACOMP] = 1.0;
-}
-
-void
-_mesa_fetch_texel_2d_f_signed_l_latc1(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- GLbyte red;
- signed_fetch_texel_rgtc(texImage->RowStride, (GLbyte *)(texImage->Data),
- i, j, &red, 1);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = BYTE_TO_FLOAT_TEX(red);
- texel[ACOMP] = 1.0;
-}
-
-void
-_mesa_fetch_texel_2d_f_la_latc2(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- GLubyte red, green;
- unsigned_fetch_texel_rgtc(texImage->RowStride, (GLubyte *)(texImage->Data),
- i, j, &red, 2);
- unsigned_fetch_texel_rgtc(texImage->RowStride, (GLubyte *)(texImage->Data) + 8,
- i, j, &green, 2);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = UBYTE_TO_FLOAT(red);
- texel[ACOMP] = UBYTE_TO_FLOAT(green);
-}
-
-void
-_mesa_fetch_texel_2d_f_signed_la_latc2(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel)
-{
- GLbyte red, green;
- signed_fetch_texel_rgtc(texImage->RowStride, (GLbyte *)(texImage->Data),
- i, j, &red, 2);
- signed_fetch_texel_rgtc(texImage->RowStride, (GLbyte *)(texImage->Data) + 8,
- i, j, &green, 2);
- texel[RCOMP] =
- texel[GCOMP] =
- texel[BCOMP] = BYTE_TO_FLOAT_TEX(red);
- texel[ACOMP] = BYTE_TO_FLOAT_TEX(green);
-}
-
-#define TAG(x) unsigned_##x
-
-#define TYPE GLubyte
-#define T_MIN 0
-#define T_MAX 0xff
-
-#include "texcompress_rgtc_tmp.h"
-
-#undef TAG
-#undef TYPE
-#undef T_MIN
-#undef T_MAX
-
-#define TAG(x) signed_##x
-#define TYPE GLbyte
-#define T_MIN (GLbyte)-128
-#define T_MAX (GLbyte)127
-
-#include "texcompress_rgtc_tmp.h"
-
-#undef TAG
-#undef TYPE
-#undef T_MIN
-#undef T_MAX
+/*
+ * Copyright (C) 2011 Red Hat Inc.
+ *
+ * block compression parts are:
+ * Copyright (C) 2004 Roland Scheidegger All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Author:
+ * Dave Airlie
+ */
+
+/**
+ * \file texcompress_rgtc.c
+ * GL_EXT_texture_compression_rgtc support.
+ */
+
+
+#include "glheader.h"
+#include "imports.h"
+#include "colormac.h"
+#include "image.h"
+#include "macros.h"
+#include "mfeatures.h"
+#include "mipmap.h"
+#include "texcompress.h"
+#include "texcompress_rgtc.h"
+#include "texstore.h"
+
+#define RGTC_DEBUG 0
+
+static void unsigned_encode_rgtc_chan(GLubyte *blkaddr, GLubyte srccolors[4][4],
+ GLint numxpixels, GLint numypixels);
+static void signed_encode_rgtc_chan(GLbyte *blkaddr, GLbyte srccolors[4][4],
+ GLint numxpixels, GLint numypixels);
+
+static void unsigned_fetch_texel_rgtc(unsigned srcRowStride, const GLubyte *pixdata,
+ unsigned i, unsigned j, GLubyte *value, unsigned comps);
+
+static void signed_fetch_texel_rgtc(unsigned srcRowStride, const GLbyte *pixdata,
+ unsigned i, unsigned j, GLbyte *value, unsigned comps);
+
+static void extractsrc_u( GLubyte srcpixels[4][4], const GLchan *srcaddr,
+ GLint srcRowStride, GLint numxpixels, GLint numypixels, GLint comps)
+{
+ GLubyte i, j;
+ const GLchan *curaddr;
+ for (j = 0; j < numypixels; j++) {
+ curaddr = srcaddr + j * srcRowStride * comps;
+ for (i = 0; i < numxpixels; i++) {
+ srcpixels[j][i] = *curaddr / (CHAN_MAX / 255);
+ curaddr += comps;
+ }
+ }
+}
+
+static void extractsrc_s( GLbyte srcpixels[4][4], const GLfloat *srcaddr,
+ GLint srcRowStride, GLint numxpixels, GLint numypixels, GLint comps)
+{
+ GLubyte i, j;
+ const GLfloat *curaddr;
+ for (j = 0; j < numypixels; j++) {
+ curaddr = srcaddr + j * srcRowStride * comps;
+ for (i = 0; i < numxpixels; i++) {
+ srcpixels[j][i] = FLOAT_TO_BYTE_TEX(*curaddr);
+ curaddr += comps;
+ }
+ }
+}
+
+
+GLboolean
+_mesa_texstore_red_rgtc1(TEXSTORE_PARAMS)
+{
+ GLubyte *dst;
+ const GLint texWidth = dstRowStride * 4 / 8; /* a bit of a hack */
+ const GLchan *tempImage = NULL;
+ int i, j;
+ int numxpixels, numypixels;
+ const GLchan *srcaddr;
+ GLubyte srcpixels[4][4];
+ GLubyte *blkaddr;
+ GLint dstRowDiff;
+ ASSERT(dstFormat == MESA_FORMAT_RED_RGTC1 ||
+ dstFormat == MESA_FORMAT_L_LATC1);
+ ASSERT(dstXoffset % 4 == 0);
+ ASSERT(dstYoffset % 4 == 0);
+ ASSERT(dstZoffset % 4 == 0);
+ (void) dstZoffset;
+ (void) dstImageOffsets;
+
+
+ tempImage = _mesa_make_temp_chan_image(ctx, dims,
+ baseInternalFormat,
+ _mesa_get_format_base_format(dstFormat),
+ srcWidth, srcHeight, srcDepth,
+ srcFormat, srcType, srcAddr,
+ srcPacking);
+ if (!tempImage)
+ return GL_FALSE; /* out of memory */
+
+ dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
+ dstFormat,
+ texWidth, (GLubyte *) dstAddr);
+
+ blkaddr = dst;
+ dstRowDiff = dstRowStride >= (srcWidth * 4) ? dstRowStride - (((srcWidth + 3) & ~3) * 4) : 0;
+ for (j = 0; j < srcHeight; j+=4) {
+ if (srcHeight > j + 3) numypixels = 4;
+ else numypixels = srcHeight - j;
+ srcaddr = tempImage + j * srcWidth;
+ for (i = 0; i < srcWidth; i += 4) {
+ if (srcWidth > i + 3) numxpixels = 4;
+ else numxpixels = srcWidth - i;
+ extractsrc_u(srcpixels, srcaddr, srcWidth, numxpixels, numypixels, 1);
+ unsigned_encode_rgtc_chan(blkaddr, srcpixels, numxpixels, numypixels);
+ srcaddr += numxpixels;
+ blkaddr += 8;
+ }
+ blkaddr += dstRowDiff;
+ }
+ if (tempImage)
+ free((void *) tempImage);
+
+ return GL_TRUE;
+}
+
+GLboolean
+_mesa_texstore_signed_red_rgtc1(TEXSTORE_PARAMS)
+{
+ GLbyte *dst;
+ const GLint texWidth = dstRowStride * 4 / 8; /* a bit of a hack */
+ const GLfloat *tempImage = NULL;
+ int i, j;
+ int numxpixels, numypixels;
+ const GLfloat *srcaddr;
+ GLbyte srcpixels[4][4];
+ GLbyte *blkaddr;
+ GLint dstRowDiff;
+ ASSERT(dstFormat == MESA_FORMAT_SIGNED_RED_RGTC1 ||
+ dstFormat == MESA_FORMAT_SIGNED_L_LATC1);
+ ASSERT(dstXoffset % 4 == 0);
+ ASSERT(dstYoffset % 4 == 0);
+ ASSERT(dstZoffset % 4 == 0);
+ (void) dstZoffset;
+ (void) dstImageOffsets;
+
+ tempImage = _mesa_make_temp_float_image(ctx, dims,
+ baseInternalFormat,
+ _mesa_get_format_base_format(dstFormat),
+ srcWidth, srcHeight, srcDepth,
+ srcFormat, srcType, srcAddr,
+ srcPacking, 0x0);
+ if (!tempImage)
+ return GL_FALSE; /* out of memory */
+
+ dst = (GLbyte *)_mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
+ dstFormat,
+ texWidth, (GLubyte *) dstAddr);
+
+ blkaddr = dst;
+ dstRowDiff = dstRowStride >= (srcWidth * 4) ? dstRowStride - (((srcWidth + 3) & ~3) * 4) : 0;
+ for (j = 0; j < srcHeight; j+=4) {
+ if (srcHeight > j + 3) numypixels = 4;
+ else numypixels = srcHeight - j;
+ srcaddr = tempImage + j * srcWidth;
+ for (i = 0; i < srcWidth; i += 4) {
+ if (srcWidth > i + 3) numxpixels = 4;
+ else numxpixels = srcWidth - i;
+ extractsrc_s(srcpixels, srcaddr, srcWidth, numxpixels, numypixels, 1);
+ signed_encode_rgtc_chan(blkaddr, srcpixels, numxpixels, numypixels);
+ srcaddr += numxpixels;
+ blkaddr += 8;
+ }
+ blkaddr += dstRowDiff;
+ }
+ if (tempImage)
+ free((void *) tempImage);
+
+ return GL_TRUE;
+}
+
+GLboolean
+_mesa_texstore_rg_rgtc2(TEXSTORE_PARAMS)
+{
+ GLubyte *dst;
+ const GLint texWidth = dstRowStride * 4 / 16; /* a bit of a hack */
+ const GLchan *tempImage = NULL;
+ int i, j;
+ int numxpixels, numypixels;
+ const GLchan *srcaddr;
+ GLubyte srcpixels[4][4];
+ GLubyte *blkaddr;
+ GLint dstRowDiff;
+
+ ASSERT(dstFormat == MESA_FORMAT_RG_RGTC2 ||
+ dstFormat == MESA_FORMAT_LA_LATC2);
+ ASSERT(dstXoffset % 4 == 0);
+ ASSERT(dstYoffset % 4 == 0);
+ ASSERT(dstZoffset % 4 == 0);
+ (void) dstZoffset;
+ (void) dstImageOffsets;
+
+ tempImage = _mesa_make_temp_chan_image(ctx, dims,
+ baseInternalFormat,
+ _mesa_get_format_base_format(dstFormat),
+ srcWidth, srcHeight, srcDepth,
+ srcFormat, srcType, srcAddr,
+ srcPacking);
+ if (!tempImage)
+ return GL_FALSE; /* out of memory */
+
+ dst = _mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
+ dstFormat,
+ texWidth, (GLubyte *) dstAddr);
+
+ blkaddr = dst;
+ dstRowDiff = dstRowStride >= (srcWidth * 8) ? dstRowStride - (((srcWidth + 7) & ~7) * 8) : 0;
+ for (j = 0; j < srcHeight; j+=4) {
+ if (srcHeight > j + 3) numypixels = 4;
+ else numypixels = srcHeight - j;
+ srcaddr = tempImage + j * srcWidth * 2;
+ for (i = 0; i < srcWidth; i += 4) {
+ if (srcWidth > i + 3) numxpixels = 4;
+ else numxpixels = srcWidth - i;
+ extractsrc_u(srcpixels, srcaddr, srcWidth, numxpixels, numypixels, 2);
+ unsigned_encode_rgtc_chan(blkaddr, srcpixels, numxpixels, numypixels);
+
+ blkaddr += 8;
+ extractsrc_u(srcpixels, (GLchan *)srcaddr + 1, srcWidth, numxpixels, numypixels, 2);
+ unsigned_encode_rgtc_chan(blkaddr, srcpixels, numxpixels, numypixels);
+
+ blkaddr += 8;
+
+ srcaddr += numxpixels * 2;
+ }
+ blkaddr += dstRowDiff;
+ }
+ if (tempImage)
+ free((void *) tempImage);
+
+ return GL_TRUE;
+}
+
+GLboolean
+_mesa_texstore_signed_rg_rgtc2(TEXSTORE_PARAMS)
+{
+ GLbyte *dst;
+ const GLint texWidth = dstRowStride * 4 / 16; /* a bit of a hack */
+ const GLfloat *tempImage = NULL;
+ int i, j;
+ int numxpixels, numypixels;
+ const GLfloat *srcaddr;
+ GLbyte srcpixels[4][4];
+ GLbyte *blkaddr;
+ GLint dstRowDiff;
+
+ ASSERT(dstFormat == MESA_FORMAT_SIGNED_RG_RGTC2 ||
+ dstFormat == MESA_FORMAT_SIGNED_LA_LATC2);
+ ASSERT(dstXoffset % 4 == 0);
+ ASSERT(dstYoffset % 4 == 0);
+ ASSERT(dstZoffset % 4 == 0);
+ (void) dstZoffset;
+ (void) dstImageOffsets;
+
+ tempImage = _mesa_make_temp_float_image(ctx, dims,
+ baseInternalFormat,
+ _mesa_get_format_base_format(dstFormat),
+ srcWidth, srcHeight, srcDepth,
+ srcFormat, srcType, srcAddr,
+ srcPacking, 0x0);
+ if (!tempImage)
+ return GL_FALSE; /* out of memory */
+
+ dst = (GLbyte *)_mesa_compressed_image_address(dstXoffset, dstYoffset, 0,
+ dstFormat,
+ texWidth, (GLubyte *) dstAddr);
+
+ blkaddr = dst;
+ dstRowDiff = dstRowStride >= (srcWidth * 8) ? dstRowStride - (((srcWidth + 7) & ~7) * 8) : 0;
+ for (j = 0; j < srcHeight; j += 4) {
+ if (srcHeight > j + 3) numypixels = 4;
+ else numypixels = srcHeight - j;
+ srcaddr = tempImage + j * srcWidth * 2;
+ for (i = 0; i < srcWidth; i += 4) {
+ if (srcWidth > i + 3) numxpixels = 4;
+ else numxpixels = srcWidth - i;
+
+ extractsrc_s(srcpixels, srcaddr, srcWidth, numxpixels, numypixels, 2);
+ signed_encode_rgtc_chan(blkaddr, srcpixels, numxpixels, numypixels);
+ blkaddr += 8;
+
+ extractsrc_s(srcpixels, srcaddr + 1, srcWidth, numxpixels, numypixels, 2);
+ signed_encode_rgtc_chan(blkaddr, srcpixels, numxpixels, numypixels);
+ blkaddr += 8;
+
+ srcaddr += numxpixels * 2;
+
+ }
+ blkaddr += dstRowDiff;
+ }
+ if (tempImage)
+ free((void *) tempImage);
+
+ return GL_TRUE;
+}
+
+void
+_mesa_fetch_texel_2d_f_red_rgtc1(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
+{
+ GLubyte red;
+ unsigned_fetch_texel_rgtc(texImage->RowStride, (GLubyte *)(texImage->Data),
+ i, j, &red, 1);
+ texel[RCOMP] = UBYTE_TO_FLOAT(red);
+ texel[GCOMP] = 0.0;
+ texel[BCOMP] = 0.0;
+ texel[ACOMP] = 1.0;
+}
+
+void
+_mesa_fetch_texel_2d_f_signed_red_rgtc1(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
+{
+ GLbyte red;
+ signed_fetch_texel_rgtc(texImage->RowStride, (GLbyte *)(texImage->Data),
+ i, j, &red, 1);
+ texel[RCOMP] = BYTE_TO_FLOAT_TEX(red);
+ texel[GCOMP] = 0.0;
+ texel[BCOMP] = 0.0;
+ texel[ACOMP] = 1.0;
+}
+
+void
+_mesa_fetch_texel_2d_f_rg_rgtc2(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
+{
+ GLubyte red, green;
+ unsigned_fetch_texel_rgtc(texImage->RowStride, (GLubyte *)(texImage->Data),
+ i, j, &red, 2);
+ unsigned_fetch_texel_rgtc(texImage->RowStride, (GLubyte *)(texImage->Data) + 8,
+ i, j, &green, 2);
+ texel[RCOMP] = UBYTE_TO_FLOAT(red);
+ texel[GCOMP] = UBYTE_TO_FLOAT(green);
+ texel[BCOMP] = 0.0;
+ texel[ACOMP] = 1.0;
+}
+
+void
+_mesa_fetch_texel_2d_f_signed_rg_rgtc2(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
+{
+ GLbyte red, green;
+ signed_fetch_texel_rgtc(texImage->RowStride, (GLbyte *)(texImage->Data),
+ i, j, &red, 2);
+ signed_fetch_texel_rgtc(texImage->RowStride, (GLbyte *)(texImage->Data) + 8,
+ i, j, &green, 2);
+ texel[RCOMP] = BYTE_TO_FLOAT_TEX(red);
+ texel[GCOMP] = BYTE_TO_FLOAT_TEX(green);
+ texel[BCOMP] = 0.0;
+ texel[ACOMP] = 1.0;
+}
+
+void
+_mesa_fetch_texel_2d_f_l_latc1(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
+{
+ GLubyte red;
+ unsigned_fetch_texel_rgtc(texImage->RowStride, (GLubyte *)(texImage->Data),
+ i, j, &red, 1);
+ texel[RCOMP] =
+ texel[GCOMP] =
+ texel[BCOMP] = UBYTE_TO_FLOAT(red);
+ texel[ACOMP] = 1.0;
+}
+
+void
+_mesa_fetch_texel_2d_f_signed_l_latc1(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
+{
+ GLbyte red;
+ signed_fetch_texel_rgtc(texImage->RowStride, (GLbyte *)(texImage->Data),
+ i, j, &red, 1);
+ texel[RCOMP] =
+ texel[GCOMP] =
+ texel[BCOMP] = BYTE_TO_FLOAT_TEX(red);
+ texel[ACOMP] = 1.0;
+}
+
+void
+_mesa_fetch_texel_2d_f_la_latc2(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
+{
+ GLubyte red, green;
+ unsigned_fetch_texel_rgtc(texImage->RowStride, (GLubyte *)(texImage->Data),
+ i, j, &red, 2);
+ unsigned_fetch_texel_rgtc(texImage->RowStride, (GLubyte *)(texImage->Data) + 8,
+ i, j, &green, 2);
+ texel[RCOMP] =
+ texel[GCOMP] =
+ texel[BCOMP] = UBYTE_TO_FLOAT(red);
+ texel[ACOMP] = UBYTE_TO_FLOAT(green);
+}
+
+void
+_mesa_fetch_texel_2d_f_signed_la_latc2(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel)
+{
+ GLbyte red, green;
+ signed_fetch_texel_rgtc(texImage->RowStride, (GLbyte *)(texImage->Data),
+ i, j, &red, 2);
+ signed_fetch_texel_rgtc(texImage->RowStride, (GLbyte *)(texImage->Data) + 8,
+ i, j, &green, 2);
+ texel[RCOMP] =
+ texel[GCOMP] =
+ texel[BCOMP] = BYTE_TO_FLOAT_TEX(red);
+ texel[ACOMP] = BYTE_TO_FLOAT_TEX(green);
+}
+
+#define TAG(x) unsigned_##x
+
+#define TYPE GLubyte
+#define T_MIN 0
+#define T_MAX 0xff
+
+#include "texcompress_rgtc_tmp.h"
+
+#undef TAG
+#undef TYPE
+#undef T_MIN
+#undef T_MAX
+
+#define TAG(x) signed_##x
+#define TYPE GLbyte
+#define T_MIN (GLbyte)-128
+#define T_MAX (GLbyte)127
+
+#include "texcompress_rgtc_tmp.h"
+
+#undef TAG
+#undef TYPE
+#undef T_MIN
+#undef T_MAX
diff --git a/mesalib/src/mesa/main/texcompress_rgtc.h b/mesalib/src/mesa/main/texcompress_rgtc.h
index 18766770d..a64ef9968 100644
--- a/mesalib/src/mesa/main/texcompress_rgtc.h
+++ b/mesalib/src/mesa/main/texcompress_rgtc.h
@@ -1,77 +1,77 @@
-/*
- * Copyright (C) 2011 Red Hat Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
-
-#ifndef TEXCOMPRESS_RGTC_H
-#define TEXCOMPRESS_RGTC_H
-
-#include "glheader.h"
-#include "mfeatures.h"
-#include "texstore.h"
-
-struct gl_texture_image;
-
-extern GLboolean
-_mesa_texstore_red_rgtc1(TEXSTORE_PARAMS);
-
-extern GLboolean
-_mesa_texstore_signed_red_rgtc1(TEXSTORE_PARAMS);
-
-extern GLboolean
-_mesa_texstore_rg_rgtc2(TEXSTORE_PARAMS);
-
-extern GLboolean
-_mesa_texstore_signed_rg_rgtc2(TEXSTORE_PARAMS);
-
-extern void
-_mesa_fetch_texel_2d_f_red_rgtc1(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel);
-
-extern void
-_mesa_fetch_texel_2d_f_signed_red_rgtc1(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel);
-
-extern void
-_mesa_fetch_texel_2d_f_rg_rgtc2(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel);
-
-extern void
-_mesa_fetch_texel_2d_f_signed_rg_rgtc2(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel);
-
-extern void
-_mesa_fetch_texel_2d_f_l_latc1(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel);
-
-extern void
-_mesa_fetch_texel_2d_f_signed_l_latc1(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel);
-
-extern void
-_mesa_fetch_texel_2d_f_la_latc2(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel);
-
-extern void
-_mesa_fetch_texel_2d_f_signed_la_latc2(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel);
-
-#endif
+/*
+ * Copyright (C) 2011 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef TEXCOMPRESS_RGTC_H
+#define TEXCOMPRESS_RGTC_H
+
+#include "glheader.h"
+#include "mfeatures.h"
+#include "texstore.h"
+
+struct gl_texture_image;
+
+extern GLboolean
+_mesa_texstore_red_rgtc1(TEXSTORE_PARAMS);
+
+extern GLboolean
+_mesa_texstore_signed_red_rgtc1(TEXSTORE_PARAMS);
+
+extern GLboolean
+_mesa_texstore_rg_rgtc2(TEXSTORE_PARAMS);
+
+extern GLboolean
+_mesa_texstore_signed_rg_rgtc2(TEXSTORE_PARAMS);
+
+extern void
+_mesa_fetch_texel_2d_f_red_rgtc1(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel);
+
+extern void
+_mesa_fetch_texel_2d_f_signed_red_rgtc1(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel);
+
+extern void
+_mesa_fetch_texel_2d_f_rg_rgtc2(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel);
+
+extern void
+_mesa_fetch_texel_2d_f_signed_rg_rgtc2(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel);
+
+extern void
+_mesa_fetch_texel_2d_f_l_latc1(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel);
+
+extern void
+_mesa_fetch_texel_2d_f_signed_l_latc1(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel);
+
+extern void
+_mesa_fetch_texel_2d_f_la_latc2(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel);
+
+extern void
+_mesa_fetch_texel_2d_f_signed_la_latc2(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel);
+
+#endif
diff --git a/mesalib/src/mesa/main/texcompress_rgtc_tmp.h b/mesalib/src/mesa/main/texcompress_rgtc_tmp.h
index c8bf082a1..335e1f4a1 100644
--- a/mesalib/src/mesa/main/texcompress_rgtc_tmp.h
+++ b/mesalib/src/mesa/main/texcompress_rgtc_tmp.h
@@ -1,418 +1,418 @@
-/*
- * Copyright (C) 2011 Red Hat Inc.
- *
- * block compression parts are:
- * Copyright (C) 2004 Roland Scheidegger All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Author:
- * Dave Airlie
- */
-
-/* included by texcompress_rgtc to define byte/ubyte compressors */
-
-static void TAG(fetch_texel_rgtc)(unsigned srcRowStride, const TYPE *pixdata,
- unsigned i, unsigned j, TYPE *value, unsigned comps)
-{
- TYPE decode;
- const TYPE *blksrc = (pixdata + ((srcRowStride + 3) / 4 * (j / 4) + (i / 4)) * 8 * comps);
- const TYPE alpha0 = blksrc[0];
- const TYPE alpha1 = blksrc[1];
- const char bit_pos = ((j&3) * 4 + (i&3)) * 3;
- const TYPE acodelow = blksrc[2 + bit_pos / 8];
- const TYPE acodehigh = (3 + bit_pos / 8) < 8 ? blksrc[3 + bit_pos / 8] : 0;
- const TYPE code = (acodelow >> (bit_pos & 0x7) |
- (acodehigh << (8 - (bit_pos & 0x7)))) & 0x7;
-
- if (code == 0)
- decode = alpha0;
- else if (code == 1)
- decode = alpha1;
- else if (alpha0 > alpha1)
- decode = ((alpha0 * (8 - code) + (alpha1 * (code - 1))) / 7);
- else if (code < 6)
- decode = ((alpha0 * (6 - code) + (alpha1 * (code - 1))) / 5);
- else if (code == 6)
- decode = T_MIN;
- else
- decode = T_MAX;
-
- *value = decode;
-}
-
-static void TAG(write_rgtc_encoded_channel)(TYPE *blkaddr,
- TYPE alphabase1,
- TYPE alphabase2,
- TYPE alphaenc[16])
-{
- *blkaddr++ = alphabase1;
- *blkaddr++ = alphabase2;
- *blkaddr++ = alphaenc[0] | (alphaenc[1] << 3) | ((alphaenc[2] & 3) << 6);
- *blkaddr++ = (alphaenc[2] >> 2) | (alphaenc[3] << 1) | (alphaenc[4] << 4) | ((alphaenc[5] & 1) << 7);
- *blkaddr++ = (alphaenc[5] >> 1) | (alphaenc[6] << 2) | (alphaenc[7] << 5);
- *blkaddr++ = alphaenc[8] | (alphaenc[9] << 3) | ((alphaenc[10] & 3) << 6);
- *blkaddr++ = (alphaenc[10] >> 2) | (alphaenc[11] << 1) | (alphaenc[12] << 4) | ((alphaenc[13] & 1) << 7);
- *blkaddr++ = (alphaenc[13] >> 1) | (alphaenc[14] << 2) | (alphaenc[15] << 5);
-}
-
-static void TAG(encode_rgtc_chan)(TYPE *blkaddr, TYPE srccolors[4][4],
- int numxpixels, int numypixels)
-{
- TYPE alphabase[2], alphause[2];
- short alphatest[2] = { 0 };
- unsigned int alphablockerror1, alphablockerror2, alphablockerror3;
- TYPE i, j, aindex, acutValues[7];
- TYPE alphaenc1[16], alphaenc2[16], alphaenc3[16];
- int alphaabsmin = 0, alphaabsmax = 0;
- short alphadist;
-
- /* find lowest and highest alpha value in block, alphabase[0] lowest, alphabase[1] highest */
- alphabase[0] = T_MAX; alphabase[1] = T_MIN;
- for (j = 0; j < numypixels; j++) {
- for (i = 0; i < numxpixels; i++) {
- if (srccolors[j][i] == T_MIN)
- alphaabsmin = 1;
- else if (srccolors[j][i] == T_MAX)
- alphaabsmax = 1;
- else {
- if (srccolors[j][i] > alphabase[1])
- alphabase[1] = srccolors[j][i];
- if (srccolors[j][i] < alphabase[0])
- alphabase[0] = srccolors[j][i];
- }
- }
- }
-
-
- if (((alphabase[0] > alphabase[1]) && !(alphaabsmin && alphaabsmax))
- || (alphabase[0] == alphabase[1] && !alphaabsmin && !alphaabsmax)) { /* one color, either max or min */
- /* shortcut here since it is a very common case (and also avoids later problems) */
- /* could also thest for alpha0 == alpha1 (and not min/max), but probably not common, so don't bother */
-
- *blkaddr++ = srccolors[0][0];
- blkaddr++;
- *blkaddr++ = 0;
- *blkaddr++ = 0;
- *blkaddr++ = 0;
- *blkaddr++ = 0;
- *blkaddr++ = 0;
- *blkaddr++ = 0;
-#if RGTC_DEBUG
- fprintf(stderr, "enc0 used\n");
-#endif
- return;
- }
-
- /* find best encoding for alpha0 > alpha1 */
- /* it's possible this encoding is better even if both alphaabsmin and alphaabsmax are true */
- alphablockerror1 = 0x0;
- alphablockerror2 = 0xffffffff;
- alphablockerror3 = 0xffffffff;
- if (alphaabsmin) alphause[0] = T_MIN;
- else alphause[0] = alphabase[0];
- if (alphaabsmax) alphause[1] = T_MAX;
- else alphause[1] = alphabase[1];
- /* calculate the 7 cut values, just the middle between 2 of the computed alpha values */
- for (aindex = 0; aindex < 7; aindex++) {
- /* don't forget here is always rounded down */
- acutValues[aindex] = (alphause[0] * (2*aindex + 1) + alphause[1] * (14 - (2*aindex + 1))) / 14;
- }
-
- for (j = 0; j < numypixels; j++) {
- for (i = 0; i < numxpixels; i++) {
- /* maybe it's overkill to have the most complicated calculation just for the error
- calculation which we only need to figure out if encoding1 or encoding2 is better... */
- if (srccolors[j][i] > acutValues[0]) {
- alphaenc1[4*j + i] = 0;
- alphadist = srccolors[j][i] - alphause[1];
- }
- else if (srccolors[j][i] > acutValues[1]) {
- alphaenc1[4*j + i] = 2;
- alphadist = srccolors[j][i] - (alphause[1] * 6 + alphause[0] * 1) / 7;
- }
- else if (srccolors[j][i] > acutValues[2]) {
- alphaenc1[4*j + i] = 3;
- alphadist = srccolors[j][i] - (alphause[1] * 5 + alphause[0] * 2) / 7;
- }
- else if (srccolors[j][i] > acutValues[3]) {
- alphaenc1[4*j + i] = 4;
- alphadist = srccolors[j][i] - (alphause[1] * 4 + alphause[0] * 3) / 7;
- }
- else if (srccolors[j][i] > acutValues[4]) {
- alphaenc1[4*j + i] = 5;
- alphadist = srccolors[j][i] - (alphause[1] * 3 + alphause[0] * 4) / 7;
- }
- else if (srccolors[j][i] > acutValues[5]) {
- alphaenc1[4*j + i] = 6;
- alphadist = srccolors[j][i] - (alphause[1] * 2 + alphause[0] * 5) / 7;
- }
- else if (srccolors[j][i] > acutValues[6]) {
- alphaenc1[4*j + i] = 7;
- alphadist = srccolors[j][i] - (alphause[1] * 1 + alphause[0] * 6) / 7;
- }
- else {
- alphaenc1[4*j + i] = 1;
- alphadist = srccolors[j][i] - alphause[0];
- }
- alphablockerror1 += alphadist * alphadist;
- }
- }
-
-#if RGTC_DEBUG
- for (i = 0; i < 16; i++) {
- fprintf(stderr, "%d ", alphaenc1[i]);
- }
- fprintf(stderr, "cutVals ");
- for (i = 0; i < 8; i++) {
- fprintf(stderr, "%d ", acutValues[i]);
- }
- fprintf(stderr, "srcVals ");
- for (j = 0; j < numypixels; j++) {
- for (i = 0; i < numxpixels; i++) {
- fprintf(stderr, "%d ", srccolors[j][i]);
- }
- }
- fprintf(stderr, "\n");
-#endif
-
- /* it's not very likely this encoding is better if both alphaabsmin and alphaabsmax
- are false but try it anyway */
- if (alphablockerror1 >= 32) {
-
- /* don't bother if encoding is already very good, this condition should also imply
- we have valid alphabase colors which we absolutely need (alphabase[0] <= alphabase[1]) */
- alphablockerror2 = 0;
- for (aindex = 0; aindex < 5; aindex++) {
- /* don't forget here is always rounded down */
- acutValues[aindex] = (alphabase[0] * (10 - (2*aindex + 1)) + alphabase[1] * (2*aindex + 1)) / 10;
- }
- for (j = 0; j < numypixels; j++) {
- for (i = 0; i < numxpixels; i++) {
- /* maybe it's overkill to have the most complicated calculation just for the error
- calculation which we only need to figure out if encoding1 or encoding2 is better... */
- if (srccolors[j][i] == T_MIN) {
- alphaenc2[4*j + i] = 6;
- alphadist = 0;
- }
- else if (srccolors[j][i] == T_MAX) {
- alphaenc2[4*j + i] = 7;
- alphadist = 0;
- }
- else if (srccolors[j][i] <= acutValues[0]) {
- alphaenc2[4*j + i] = 0;
- alphadist = srccolors[j][i] - alphabase[0];
- }
- else if (srccolors[j][i] <= acutValues[1]) {
- alphaenc2[4*j + i] = 2;
- alphadist = srccolors[j][i] - (alphabase[0] * 4 + alphabase[1] * 1) / 5;
- }
- else if (srccolors[j][i] <= acutValues[2]) {
- alphaenc2[4*j + i] = 3;
- alphadist = srccolors[j][i] - (alphabase[0] * 3 + alphabase[1] * 2) / 5;
- }
- else if (srccolors[j][i] <= acutValues[3]) {
- alphaenc2[4*j + i] = 4;
- alphadist = srccolors[j][i] - (alphabase[0] * 2 + alphabase[1] * 3) / 5;
- }
- else if (srccolors[j][i] <= acutValues[4]) {
- alphaenc2[4*j + i] = 5;
- alphadist = srccolors[j][i] - (alphabase[0] * 1 + alphabase[1] * 4) / 5;
- }
- else {
- alphaenc2[4*j + i] = 1;
- alphadist = srccolors[j][i] - alphabase[1];
- }
- alphablockerror2 += alphadist * alphadist;
- }
- }
-
-
- /* skip this if the error is already very small
- this encoding is MUCH better on average than #2 though, but expensive! */
- if ((alphablockerror2 > 96) && (alphablockerror1 > 96)) {
- short blockerrlin1 = 0;
- short blockerrlin2 = 0;
- TYPE nralphainrangelow = 0;
- TYPE nralphainrangehigh = 0;
- alphatest[0] = T_MAX;
- alphatest[1] = T_MIN;
- /* if we have large range it's likely there are values close to 0/255, try to map them to 0/255 */
- for (j = 0; j < numypixels; j++) {
- for (i = 0; i < numxpixels; i++) {
- if ((srccolors[j][i] > alphatest[1]) && (srccolors[j][i] < (T_MAX -(alphabase[1] - alphabase[0]) / 28)))
- alphatest[1] = srccolors[j][i];
- if ((srccolors[j][i] < alphatest[0]) && (srccolors[j][i] > (alphabase[1] - alphabase[0]) / 28))
- alphatest[0] = srccolors[j][i];
- }
- }
- /* shouldn't happen too often, don't really care about those degenerated cases */
- if (alphatest[1] <= alphatest[0]) {
- alphatest[0] = T_MIN+1;
- alphatest[1] = T_MAX-1;
- }
- for (aindex = 0; aindex < 5; aindex++) {
- /* don't forget here is always rounded down */
- acutValues[aindex] = (alphatest[0] * (10 - (2*aindex + 1)) + alphatest[1] * (2*aindex + 1)) / 10;
- }
-
- /* find the "average" difference between the alpha values and the next encoded value.
- This is then used to calculate new base values.
- Should there be some weighting, i.e. those values closer to alphatest[x] have more weight,
- since they will see more improvement, and also because the values in the middle are somewhat
- likely to get no improvement at all (because the base values might move in different directions)?
- OTOH it would mean the values in the middle are even less likely to get an improvement
- */
- for (j = 0; j < numypixels; j++) {
- for (i = 0; i < numxpixels; i++) {
- if (srccolors[j][i] <= alphatest[0] / 2) {
- }
- else if (srccolors[j][i] > ((T_MAX + alphatest[1]) / 2)) {
- }
- else if (srccolors[j][i] <= acutValues[0]) {
- blockerrlin1 += (srccolors[j][i] - alphatest[0]);
- nralphainrangelow += 1;
- }
- else if (srccolors[j][i] <= acutValues[1]) {
- blockerrlin1 += (srccolors[j][i] - (alphatest[0] * 4 + alphatest[1] * 1) / 5);
- blockerrlin2 += (srccolors[j][i] - (alphatest[0] * 4 + alphatest[1] * 1) / 5);
- nralphainrangelow += 1;
- nralphainrangehigh += 1;
- }
- else if (srccolors[j][i] <= acutValues[2]) {
- blockerrlin1 += (srccolors[j][i] - (alphatest[0] * 3 + alphatest[1] * 2) / 5);
- blockerrlin2 += (srccolors[j][i] - (alphatest[0] * 3 + alphatest[1] * 2) / 5);
- nralphainrangelow += 1;
- nralphainrangehigh += 1;
- }
- else if (srccolors[j][i] <= acutValues[3]) {
- blockerrlin1 += (srccolors[j][i] - (alphatest[0] * 2 + alphatest[1] * 3) / 5);
- blockerrlin2 += (srccolors[j][i] - (alphatest[0] * 2 + alphatest[1] * 3) / 5);
- nralphainrangelow += 1;
- nralphainrangehigh += 1;
- }
- else if (srccolors[j][i] <= acutValues[4]) {
- blockerrlin1 += (srccolors[j][i] - (alphatest[0] * 1 + alphatest[1] * 4) / 5);
- blockerrlin2 += (srccolors[j][i] - (alphatest[0] * 1 + alphatest[1] * 4) / 5);
- nralphainrangelow += 1;
- nralphainrangehigh += 1;
- }
- else {
- blockerrlin2 += (srccolors[j][i] - alphatest[1]);
- nralphainrangehigh += 1;
- }
- }
- }
- /* shouldn't happen often, needed to avoid div by zero */
- if (nralphainrangelow == 0) nralphainrangelow = 1;
- if (nralphainrangehigh == 0) nralphainrangehigh = 1;
- alphatest[0] = alphatest[0] + (blockerrlin1 / nralphainrangelow);
-#if RGTC_DEBUG
- fprintf(stderr, "block err lin low %d, nr %d\n", blockerrlin1, nralphainrangelow);
- fprintf(stderr, "block err lin high %d, nr %d\n", blockerrlin2, nralphainrangehigh);
-#endif
- /* again shouldn't really happen often... */
- if (alphatest[0] < T_MIN) {
- alphatest[0] = T_MIN;
- }
- alphatest[1] = alphatest[1] + (blockerrlin2 / nralphainrangehigh);
- if (alphatest[1] > T_MAX) {
- alphatest[1] = T_MAX;
- }
-
- alphablockerror3 = 0;
- for (aindex = 0; aindex < 5; aindex++) {
- /* don't forget here is always rounded down */
- acutValues[aindex] = (alphatest[0] * (10 - (2*aindex + 1)) + alphatest[1] * (2*aindex + 1)) / 10;
- }
- for (j = 0; j < numypixels; j++) {
- for (i = 0; i < numxpixels; i++) {
- /* maybe it's overkill to have the most complicated calculation just for the error
- calculation which we only need to figure out if encoding1 or encoding2 is better... */
- if (srccolors[j][i] <= alphatest[0] / 2) {
- alphaenc3[4*j + i] = 6;
- alphadist = srccolors[j][i];
- }
- else if (srccolors[j][i] > ((T_MAX + alphatest[1]) / 2)) {
- alphaenc3[4*j + i] = 7;
- alphadist = T_MAX - srccolors[j][i];
- }
- else if (srccolors[j][i] <= acutValues[0]) {
- alphaenc3[4*j + i] = 0;
- alphadist = srccolors[j][i] - alphatest[0];
- }
- else if (srccolors[j][i] <= acutValues[1]) {
- alphaenc3[4*j + i] = 2;
- alphadist = srccolors[j][i] - (alphatest[0] * 4 + alphatest[1] * 1) / 5;
- }
- else if (srccolors[j][i] <= acutValues[2]) {
- alphaenc3[4*j + i] = 3;
- alphadist = srccolors[j][i] - (alphatest[0] * 3 + alphatest[1] * 2) / 5;
- }
- else if (srccolors[j][i] <= acutValues[3]) {
- alphaenc3[4*j + i] = 4;
- alphadist = srccolors[j][i] - (alphatest[0] * 2 + alphatest[1] * 3) / 5;
- }
- else if (srccolors[j][i] <= acutValues[4]) {
- alphaenc3[4*j + i] = 5;
- alphadist = srccolors[j][i] - (alphatest[0] * 1 + alphatest[1] * 4) / 5;
- }
- else {
- alphaenc3[4*j + i] = 1;
- alphadist = srccolors[j][i] - alphatest[1];
- }
- alphablockerror3 += alphadist * alphadist;
- }
- }
- }
- }
-
- /* write the alpha values and encoding back. */
- if ((alphablockerror1 <= alphablockerror2) && (alphablockerror1 <= alphablockerror3)) {
-#if RGTC_DEBUG
- if (alphablockerror1 > 96) fprintf(stderr, "enc1 used, error %d\n", alphablockerror1);
- fprintf(stderr,"w1: min %d max %d au0 %d au1 %d\n",
- T_MIN, T_MAX,
- alphause[1], alphause[0]);
-#endif
-
- TAG(write_rgtc_encoded_channel)( blkaddr, alphause[1], alphause[0], alphaenc1 );
- }
- else if (alphablockerror2 <= alphablockerror3) {
-#if RGTC_DEBUG
- if (alphablockerror2 > 96) fprintf(stderr, "enc2 used, error %d\n", alphablockerror2);
- fprintf(stderr,"w2: min %d max %d au0 %d au1 %d\n",
- T_MIN, T_MAX,
- alphabase[0], alphabase[1]);
-#endif
-
- TAG(write_rgtc_encoded_channel)( blkaddr, alphabase[0], alphabase[1], alphaenc2 );
- }
- else {
-#if RGTC_DEBUG
- fprintf(stderr, "enc3 used, error %d\n", alphablockerror3);
- fprintf(stderr,"w3: min %d max %d au0 %d au1 %d\n",
- T_MIN, T_MAX,
- alphatest[0], alphatest[1]);
-#endif
-
- TAG(write_rgtc_encoded_channel)( blkaddr, (TYPE)alphatest[0], (TYPE)alphatest[1], alphaenc3 );
- }
-}
+/*
+ * Copyright (C) 2011 Red Hat Inc.
+ *
+ * block compression parts are:
+ * Copyright (C) 2004 Roland Scheidegger All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Author:
+ * Dave Airlie
+ */
+
+/* included by texcompress_rgtc to define byte/ubyte compressors */
+
+static void TAG(fetch_texel_rgtc)(unsigned srcRowStride, const TYPE *pixdata,
+ unsigned i, unsigned j, TYPE *value, unsigned comps)
+{
+ TYPE decode;
+ const TYPE *blksrc = (pixdata + ((srcRowStride + 3) / 4 * (j / 4) + (i / 4)) * 8 * comps);
+ const TYPE alpha0 = blksrc[0];
+ const TYPE alpha1 = blksrc[1];
+ const char bit_pos = ((j&3) * 4 + (i&3)) * 3;
+ const TYPE acodelow = blksrc[2 + bit_pos / 8];
+ const TYPE acodehigh = (3 + bit_pos / 8) < 8 ? blksrc[3 + bit_pos / 8] : 0;
+ const TYPE code = (acodelow >> (bit_pos & 0x7) |
+ (acodehigh << (8 - (bit_pos & 0x7)))) & 0x7;
+
+ if (code == 0)
+ decode = alpha0;
+ else if (code == 1)
+ decode = alpha1;
+ else if (alpha0 > alpha1)
+ decode = ((alpha0 * (8 - code) + (alpha1 * (code - 1))) / 7);
+ else if (code < 6)
+ decode = ((alpha0 * (6 - code) + (alpha1 * (code - 1))) / 5);
+ else if (code == 6)
+ decode = T_MIN;
+ else
+ decode = T_MAX;
+
+ *value = decode;
+}
+
+static void TAG(write_rgtc_encoded_channel)(TYPE *blkaddr,
+ TYPE alphabase1,
+ TYPE alphabase2,
+ TYPE alphaenc[16])
+{
+ *blkaddr++ = alphabase1;
+ *blkaddr++ = alphabase2;
+ *blkaddr++ = alphaenc[0] | (alphaenc[1] << 3) | ((alphaenc[2] & 3) << 6);
+ *blkaddr++ = (alphaenc[2] >> 2) | (alphaenc[3] << 1) | (alphaenc[4] << 4) | ((alphaenc[5] & 1) << 7);
+ *blkaddr++ = (alphaenc[5] >> 1) | (alphaenc[6] << 2) | (alphaenc[7] << 5);
+ *blkaddr++ = alphaenc[8] | (alphaenc[9] << 3) | ((alphaenc[10] & 3) << 6);
+ *blkaddr++ = (alphaenc[10] >> 2) | (alphaenc[11] << 1) | (alphaenc[12] << 4) | ((alphaenc[13] & 1) << 7);
+ *blkaddr++ = (alphaenc[13] >> 1) | (alphaenc[14] << 2) | (alphaenc[15] << 5);
+}
+
+static void TAG(encode_rgtc_chan)(TYPE *blkaddr, TYPE srccolors[4][4],
+ int numxpixels, int numypixels)
+{
+ TYPE alphabase[2], alphause[2];
+ short alphatest[2] = { 0 };
+ unsigned int alphablockerror1, alphablockerror2, alphablockerror3;
+ TYPE i, j, aindex, acutValues[7];
+ TYPE alphaenc1[16], alphaenc2[16], alphaenc3[16];
+ int alphaabsmin = 0, alphaabsmax = 0;
+ short alphadist;
+
+ /* find lowest and highest alpha value in block, alphabase[0] lowest, alphabase[1] highest */
+ alphabase[0] = T_MAX; alphabase[1] = T_MIN;
+ for (j = 0; j < numypixels; j++) {
+ for (i = 0; i < numxpixels; i++) {
+ if (srccolors[j][i] == T_MIN)
+ alphaabsmin = 1;
+ else if (srccolors[j][i] == T_MAX)
+ alphaabsmax = 1;
+ else {
+ if (srccolors[j][i] > alphabase[1])
+ alphabase[1] = srccolors[j][i];
+ if (srccolors[j][i] < alphabase[0])
+ alphabase[0] = srccolors[j][i];
+ }
+ }
+ }
+
+
+ if (((alphabase[0] > alphabase[1]) && !(alphaabsmin && alphaabsmax))
+ || (alphabase[0] == alphabase[1] && !alphaabsmin && !alphaabsmax)) { /* one color, either max or min */
+ /* shortcut here since it is a very common case (and also avoids later problems) */
+ /* could also thest for alpha0 == alpha1 (and not min/max), but probably not common, so don't bother */
+
+ *blkaddr++ = srccolors[0][0];
+ blkaddr++;
+ *blkaddr++ = 0;
+ *blkaddr++ = 0;
+ *blkaddr++ = 0;
+ *blkaddr++ = 0;
+ *blkaddr++ = 0;
+ *blkaddr++ = 0;
+#if RGTC_DEBUG
+ fprintf(stderr, "enc0 used\n");
+#endif
+ return;
+ }
+
+ /* find best encoding for alpha0 > alpha1 */
+ /* it's possible this encoding is better even if both alphaabsmin and alphaabsmax are true */
+ alphablockerror1 = 0x0;
+ alphablockerror2 = 0xffffffff;
+ alphablockerror3 = 0xffffffff;
+ if (alphaabsmin) alphause[0] = T_MIN;
+ else alphause[0] = alphabase[0];
+ if (alphaabsmax) alphause[1] = T_MAX;
+ else alphause[1] = alphabase[1];
+ /* calculate the 7 cut values, just the middle between 2 of the computed alpha values */
+ for (aindex = 0; aindex < 7; aindex++) {
+ /* don't forget here is always rounded down */
+ acutValues[aindex] = (alphause[0] * (2*aindex + 1) + alphause[1] * (14 - (2*aindex + 1))) / 14;
+ }
+
+ for (j = 0; j < numypixels; j++) {
+ for (i = 0; i < numxpixels; i++) {
+ /* maybe it's overkill to have the most complicated calculation just for the error
+ calculation which we only need to figure out if encoding1 or encoding2 is better... */
+ if (srccolors[j][i] > acutValues[0]) {
+ alphaenc1[4*j + i] = 0;
+ alphadist = srccolors[j][i] - alphause[1];
+ }
+ else if (srccolors[j][i] > acutValues[1]) {
+ alphaenc1[4*j + i] = 2;
+ alphadist = srccolors[j][i] - (alphause[1] * 6 + alphause[0] * 1) / 7;
+ }
+ else if (srccolors[j][i] > acutValues[2]) {
+ alphaenc1[4*j + i] = 3;
+ alphadist = srccolors[j][i] - (alphause[1] * 5 + alphause[0] * 2) / 7;
+ }
+ else if (srccolors[j][i] > acutValues[3]) {
+ alphaenc1[4*j + i] = 4;
+ alphadist = srccolors[j][i] - (alphause[1] * 4 + alphause[0] * 3) / 7;
+ }
+ else if (srccolors[j][i] > acutValues[4]) {
+ alphaenc1[4*j + i] = 5;
+ alphadist = srccolors[j][i] - (alphause[1] * 3 + alphause[0] * 4) / 7;
+ }
+ else if (srccolors[j][i] > acutValues[5]) {
+ alphaenc1[4*j + i] = 6;
+ alphadist = srccolors[j][i] - (alphause[1] * 2 + alphause[0] * 5) / 7;
+ }
+ else if (srccolors[j][i] > acutValues[6]) {
+ alphaenc1[4*j + i] = 7;
+ alphadist = srccolors[j][i] - (alphause[1] * 1 + alphause[0] * 6) / 7;
+ }
+ else {
+ alphaenc1[4*j + i] = 1;
+ alphadist = srccolors[j][i] - alphause[0];
+ }
+ alphablockerror1 += alphadist * alphadist;
+ }
+ }
+
+#if RGTC_DEBUG
+ for (i = 0; i < 16; i++) {
+ fprintf(stderr, "%d ", alphaenc1[i]);
+ }
+ fprintf(stderr, "cutVals ");
+ for (i = 0; i < 8; i++) {
+ fprintf(stderr, "%d ", acutValues[i]);
+ }
+ fprintf(stderr, "srcVals ");
+ for (j = 0; j < numypixels; j++) {
+ for (i = 0; i < numxpixels; i++) {
+ fprintf(stderr, "%d ", srccolors[j][i]);
+ }
+ }
+ fprintf(stderr, "\n");
+#endif
+
+ /* it's not very likely this encoding is better if both alphaabsmin and alphaabsmax
+ are false but try it anyway */
+ if (alphablockerror1 >= 32) {
+
+ /* don't bother if encoding is already very good, this condition should also imply
+ we have valid alphabase colors which we absolutely need (alphabase[0] <= alphabase[1]) */
+ alphablockerror2 = 0;
+ for (aindex = 0; aindex < 5; aindex++) {
+ /* don't forget here is always rounded down */
+ acutValues[aindex] = (alphabase[0] * (10 - (2*aindex + 1)) + alphabase[1] * (2*aindex + 1)) / 10;
+ }
+ for (j = 0; j < numypixels; j++) {
+ for (i = 0; i < numxpixels; i++) {
+ /* maybe it's overkill to have the most complicated calculation just for the error
+ calculation which we only need to figure out if encoding1 or encoding2 is better... */
+ if (srccolors[j][i] == T_MIN) {
+ alphaenc2[4*j + i] = 6;
+ alphadist = 0;
+ }
+ else if (srccolors[j][i] == T_MAX) {
+ alphaenc2[4*j + i] = 7;
+ alphadist = 0;
+ }
+ else if (srccolors[j][i] <= acutValues[0]) {
+ alphaenc2[4*j + i] = 0;
+ alphadist = srccolors[j][i] - alphabase[0];
+ }
+ else if (srccolors[j][i] <= acutValues[1]) {
+ alphaenc2[4*j + i] = 2;
+ alphadist = srccolors[j][i] - (alphabase[0] * 4 + alphabase[1] * 1) / 5;
+ }
+ else if (srccolors[j][i] <= acutValues[2]) {
+ alphaenc2[4*j + i] = 3;
+ alphadist = srccolors[j][i] - (alphabase[0] * 3 + alphabase[1] * 2) / 5;
+ }
+ else if (srccolors[j][i] <= acutValues[3]) {
+ alphaenc2[4*j + i] = 4;
+ alphadist = srccolors[j][i] - (alphabase[0] * 2 + alphabase[1] * 3) / 5;
+ }
+ else if (srccolors[j][i] <= acutValues[4]) {
+ alphaenc2[4*j + i] = 5;
+ alphadist = srccolors[j][i] - (alphabase[0] * 1 + alphabase[1] * 4) / 5;
+ }
+ else {
+ alphaenc2[4*j + i] = 1;
+ alphadist = srccolors[j][i] - alphabase[1];
+ }
+ alphablockerror2 += alphadist * alphadist;
+ }
+ }
+
+
+ /* skip this if the error is already very small
+ this encoding is MUCH better on average than #2 though, but expensive! */
+ if ((alphablockerror2 > 96) && (alphablockerror1 > 96)) {
+ short blockerrlin1 = 0;
+ short blockerrlin2 = 0;
+ TYPE nralphainrangelow = 0;
+ TYPE nralphainrangehigh = 0;
+ alphatest[0] = T_MAX;
+ alphatest[1] = T_MIN;
+ /* if we have large range it's likely there are values close to 0/255, try to map them to 0/255 */
+ for (j = 0; j < numypixels; j++) {
+ for (i = 0; i < numxpixels; i++) {
+ if ((srccolors[j][i] > alphatest[1]) && (srccolors[j][i] < (T_MAX -(alphabase[1] - alphabase[0]) / 28)))
+ alphatest[1] = srccolors[j][i];
+ if ((srccolors[j][i] < alphatest[0]) && (srccolors[j][i] > (alphabase[1] - alphabase[0]) / 28))
+ alphatest[0] = srccolors[j][i];
+ }
+ }
+ /* shouldn't happen too often, don't really care about those degenerated cases */
+ if (alphatest[1] <= alphatest[0]) {
+ alphatest[0] = T_MIN+1;
+ alphatest[1] = T_MAX-1;
+ }
+ for (aindex = 0; aindex < 5; aindex++) {
+ /* don't forget here is always rounded down */
+ acutValues[aindex] = (alphatest[0] * (10 - (2*aindex + 1)) + alphatest[1] * (2*aindex + 1)) / 10;
+ }
+
+ /* find the "average" difference between the alpha values and the next encoded value.
+ This is then used to calculate new base values.
+ Should there be some weighting, i.e. those values closer to alphatest[x] have more weight,
+ since they will see more improvement, and also because the values in the middle are somewhat
+ likely to get no improvement at all (because the base values might move in different directions)?
+ OTOH it would mean the values in the middle are even less likely to get an improvement
+ */
+ for (j = 0; j < numypixels; j++) {
+ for (i = 0; i < numxpixels; i++) {
+ if (srccolors[j][i] <= alphatest[0] / 2) {
+ }
+ else if (srccolors[j][i] > ((T_MAX + alphatest[1]) / 2)) {
+ }
+ else if (srccolors[j][i] <= acutValues[0]) {
+ blockerrlin1 += (srccolors[j][i] - alphatest[0]);
+ nralphainrangelow += 1;
+ }
+ else if (srccolors[j][i] <= acutValues[1]) {
+ blockerrlin1 += (srccolors[j][i] - (alphatest[0] * 4 + alphatest[1] * 1) / 5);
+ blockerrlin2 += (srccolors[j][i] - (alphatest[0] * 4 + alphatest[1] * 1) / 5);
+ nralphainrangelow += 1;
+ nralphainrangehigh += 1;
+ }
+ else if (srccolors[j][i] <= acutValues[2]) {
+ blockerrlin1 += (srccolors[j][i] - (alphatest[0] * 3 + alphatest[1] * 2) / 5);
+ blockerrlin2 += (srccolors[j][i] - (alphatest[0] * 3 + alphatest[1] * 2) / 5);
+ nralphainrangelow += 1;
+ nralphainrangehigh += 1;
+ }
+ else if (srccolors[j][i] <= acutValues[3]) {
+ blockerrlin1 += (srccolors[j][i] - (alphatest[0] * 2 + alphatest[1] * 3) / 5);
+ blockerrlin2 += (srccolors[j][i] - (alphatest[0] * 2 + alphatest[1] * 3) / 5);
+ nralphainrangelow += 1;
+ nralphainrangehigh += 1;
+ }
+ else if (srccolors[j][i] <= acutValues[4]) {
+ blockerrlin1 += (srccolors[j][i] - (alphatest[0] * 1 + alphatest[1] * 4) / 5);
+ blockerrlin2 += (srccolors[j][i] - (alphatest[0] * 1 + alphatest[1] * 4) / 5);
+ nralphainrangelow += 1;
+ nralphainrangehigh += 1;
+ }
+ else {
+ blockerrlin2 += (srccolors[j][i] - alphatest[1]);
+ nralphainrangehigh += 1;
+ }
+ }
+ }
+ /* shouldn't happen often, needed to avoid div by zero */
+ if (nralphainrangelow == 0) nralphainrangelow = 1;
+ if (nralphainrangehigh == 0) nralphainrangehigh = 1;
+ alphatest[0] = alphatest[0] + (blockerrlin1 / nralphainrangelow);
+#if RGTC_DEBUG
+ fprintf(stderr, "block err lin low %d, nr %d\n", blockerrlin1, nralphainrangelow);
+ fprintf(stderr, "block err lin high %d, nr %d\n", blockerrlin2, nralphainrangehigh);
+#endif
+ /* again shouldn't really happen often... */
+ if (alphatest[0] < T_MIN) {
+ alphatest[0] = T_MIN;
+ }
+ alphatest[1] = alphatest[1] + (blockerrlin2 / nralphainrangehigh);
+ if (alphatest[1] > T_MAX) {
+ alphatest[1] = T_MAX;
+ }
+
+ alphablockerror3 = 0;
+ for (aindex = 0; aindex < 5; aindex++) {
+ /* don't forget here is always rounded down */
+ acutValues[aindex] = (alphatest[0] * (10 - (2*aindex + 1)) + alphatest[1] * (2*aindex + 1)) / 10;
+ }
+ for (j = 0; j < numypixels; j++) {
+ for (i = 0; i < numxpixels; i++) {
+ /* maybe it's overkill to have the most complicated calculation just for the error
+ calculation which we only need to figure out if encoding1 or encoding2 is better... */
+ if (srccolors[j][i] <= alphatest[0] / 2) {
+ alphaenc3[4*j + i] = 6;
+ alphadist = srccolors[j][i];
+ }
+ else if (srccolors[j][i] > ((T_MAX + alphatest[1]) / 2)) {
+ alphaenc3[4*j + i] = 7;
+ alphadist = T_MAX - srccolors[j][i];
+ }
+ else if (srccolors[j][i] <= acutValues[0]) {
+ alphaenc3[4*j + i] = 0;
+ alphadist = srccolors[j][i] - alphatest[0];
+ }
+ else if (srccolors[j][i] <= acutValues[1]) {
+ alphaenc3[4*j + i] = 2;
+ alphadist = srccolors[j][i] - (alphatest[0] * 4 + alphatest[1] * 1) / 5;
+ }
+ else if (srccolors[j][i] <= acutValues[2]) {
+ alphaenc3[4*j + i] = 3;
+ alphadist = srccolors[j][i] - (alphatest[0] * 3 + alphatest[1] * 2) / 5;
+ }
+ else if (srccolors[j][i] <= acutValues[3]) {
+ alphaenc3[4*j + i] = 4;
+ alphadist = srccolors[j][i] - (alphatest[0] * 2 + alphatest[1] * 3) / 5;
+ }
+ else if (srccolors[j][i] <= acutValues[4]) {
+ alphaenc3[4*j + i] = 5;
+ alphadist = srccolors[j][i] - (alphatest[0] * 1 + alphatest[1] * 4) / 5;
+ }
+ else {
+ alphaenc3[4*j + i] = 1;
+ alphadist = srccolors[j][i] - alphatest[1];
+ }
+ alphablockerror3 += alphadist * alphadist;
+ }
+ }
+ }
+ }
+
+ /* write the alpha values and encoding back. */
+ if ((alphablockerror1 <= alphablockerror2) && (alphablockerror1 <= alphablockerror3)) {
+#if RGTC_DEBUG
+ if (alphablockerror1 > 96) fprintf(stderr, "enc1 used, error %d\n", alphablockerror1);
+ fprintf(stderr,"w1: min %d max %d au0 %d au1 %d\n",
+ T_MIN, T_MAX,
+ alphause[1], alphause[0]);
+#endif
+
+ TAG(write_rgtc_encoded_channel)( blkaddr, alphause[1], alphause[0], alphaenc1 );
+ }
+ else if (alphablockerror2 <= alphablockerror3) {
+#if RGTC_DEBUG
+ if (alphablockerror2 > 96) fprintf(stderr, "enc2 used, error %d\n", alphablockerror2);
+ fprintf(stderr,"w2: min %d max %d au0 %d au1 %d\n",
+ T_MIN, T_MAX,
+ alphabase[0], alphabase[1]);
+#endif
+
+ TAG(write_rgtc_encoded_channel)( blkaddr, alphabase[0], alphabase[1], alphaenc2 );
+ }
+ else {
+#if RGTC_DEBUG
+ fprintf(stderr, "enc3 used, error %d\n", alphablockerror3);
+ fprintf(stderr,"w3: min %d max %d au0 %d au1 %d\n",
+ T_MIN, T_MAX,
+ alphatest[0], alphatest[1]);
+#endif
+
+ TAG(write_rgtc_encoded_channel)( blkaddr, (TYPE)alphatest[0], (TYPE)alphatest[1], alphaenc3 );
+ }
+}
diff --git a/mesalib/src/mesa/main/texcompress_s3tc.c b/mesalib/src/mesa/main/texcompress_s3tc.c
index 90be6c0a8..479806eca 100644
--- a/mesalib/src/mesa/main/texcompress_s3tc.c
+++ b/mesalib/src/mesa/main/texcompress_s3tc.c
@@ -50,7 +50,11 @@
#if defined(_WIN32) || defined(WIN32)
+#ifdef _DEBUG
+#define DXTN_LIBNAME "dxtn_dbg.dll"
+#else
#define DXTN_LIBNAME "dxtn.dll"
+#endif
#define RTLD_LAZY 0
#define RTLD_GLOBAL 0
#elif defined(__DJGPP__)
diff --git a/mesalib/src/mesa/main/texfetch.c b/mesalib/src/mesa/main/texfetch.c
index 988a7e054..33f8dbba2 100644
--- a/mesalib/src/mesa/main/texfetch.c
+++ b/mesalib/src/mesa/main/texfetch.c
@@ -1,950 +1,950 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.7
- *
- * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
- * Copyright (c) 2009 VMware, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-/**
- * \file texfetch.c
- *
- * Texel fetch/store functions
- *
- * \author Gareth Hughes
- */
-
-
-#include "colormac.h"
-#include "macros.h"
-#include "texcompress.h"
-#include "texcompress_fxt1.h"
-#include "texcompress_s3tc.h"
-#include "texcompress_rgtc.h"
-#include "texfetch.h"
-#include "teximage.h"
-
-
-/**
- * Convert an 8-bit sRGB value from non-linear space to a
- * linear RGB value in [0, 1].
- * Implemented with a 256-entry lookup table.
- */
-static INLINE GLfloat
-nonlinear_to_linear(GLubyte cs8)
-{
- static GLfloat table[256];
- static GLboolean tableReady = GL_FALSE;
- if (!tableReady) {
- /* compute lookup table now */
- GLuint i;
- for (i = 0; i < 256; i++) {
- const GLfloat cs = UBYTE_TO_FLOAT(i);
- if (cs <= 0.04045) {
- table[i] = cs / 12.92f;
- }
- else {
- table[i] = (GLfloat) pow((cs + 0.055) / 1.055, 2.4);
- }
- }
- tableReady = GL_TRUE;
- }
- return table[cs8];
-}
-
-
-
-/* Texel fetch routines for all supported formats
- */
-#define DIM 1
-#include "texfetch_tmp.h"
-
-#define DIM 2
-#include "texfetch_tmp.h"
-
-#define DIM 3
-#include "texfetch_tmp.h"
-
-/**
- * Null texel fetch function.
- *
- * Have to have this so the FetchTexel function pointer is never NULL.
- */
-static void fetch_null_texelf( const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texel )
-{
- (void) texImage; (void) i; (void) j; (void) k;
- texel[RCOMP] = 0.0;
- texel[GCOMP] = 0.0;
- texel[BCOMP] = 0.0;
- texel[ACOMP] = 0.0;
- _mesa_warning(NULL, "fetch_null_texelf() called!");
-}
-
-static void store_null_texel(struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, const void *texel)
-{
- (void) texImage;
- (void) i;
- (void) j;
- (void) k;
- (void) texel;
- /* no-op */
-}
-
-
-
-/**
- * Table to map MESA_FORMAT_ to texel fetch/store funcs.
- * XXX this is somewhat temporary.
- */
-static struct {
- gl_format Name;
- FetchTexelFuncF Fetch1D;
- FetchTexelFuncF Fetch2D;
- FetchTexelFuncF Fetch3D;
- StoreTexelFunc StoreTexel;
-}
-texfetch_funcs[MESA_FORMAT_COUNT] =
-{
- {
- MESA_FORMAT_NONE,
- fetch_null_texelf,
- fetch_null_texelf,
- fetch_null_texelf,
- store_null_texel
- },
-
- {
- MESA_FORMAT_RGBA8888,
- fetch_texel_1d_f_rgba8888,
- fetch_texel_2d_f_rgba8888,
- fetch_texel_3d_f_rgba8888,
- store_texel_rgba8888
- },
- {
- MESA_FORMAT_RGBA8888_REV,
- fetch_texel_1d_f_rgba8888_rev,
- fetch_texel_2d_f_rgba8888_rev,
- fetch_texel_3d_f_rgba8888_rev,
- store_texel_rgba8888_rev
- },
- {
- MESA_FORMAT_ARGB8888,
- fetch_texel_1d_f_argb8888,
- fetch_texel_2d_f_argb8888,
- fetch_texel_3d_f_argb8888,
- store_texel_argb8888
- },
- {
- MESA_FORMAT_ARGB8888_REV,
- fetch_texel_1d_f_argb8888_rev,
- fetch_texel_2d_f_argb8888_rev,
- fetch_texel_3d_f_argb8888_rev,
- store_texel_argb8888_rev
- },
- {
- MESA_FORMAT_XRGB8888,
- fetch_texel_1d_f_xrgb8888,
- fetch_texel_2d_f_xrgb8888,
- fetch_texel_3d_f_xrgb8888,
- store_texel_xrgb8888
- },
- {
- MESA_FORMAT_XRGB8888_REV,
- fetch_texel_1d_f_xrgb8888_rev,
- fetch_texel_2d_f_xrgb8888_rev,
- fetch_texel_3d_f_xrgb8888_rev,
- store_texel_xrgb8888_rev,
- },
- {
- MESA_FORMAT_RGB888,
- fetch_texel_1d_f_rgb888,
- fetch_texel_2d_f_rgb888,
- fetch_texel_3d_f_rgb888,
- store_texel_rgb888
- },
- {
- MESA_FORMAT_BGR888,
- fetch_texel_1d_f_bgr888,
- fetch_texel_2d_f_bgr888,
- fetch_texel_3d_f_bgr888,
- store_texel_bgr888
- },
- {
- MESA_FORMAT_RGB565,
- fetch_texel_1d_f_rgb565,
- fetch_texel_2d_f_rgb565,
- fetch_texel_3d_f_rgb565,
- store_texel_rgb565
- },
- {
- MESA_FORMAT_RGB565_REV,
- fetch_texel_1d_f_rgb565_rev,
- fetch_texel_2d_f_rgb565_rev,
- fetch_texel_3d_f_rgb565_rev,
- store_texel_rgb565_rev
- },
- {
- MESA_FORMAT_ARGB4444,
- fetch_texel_1d_f_argb4444,
- fetch_texel_2d_f_argb4444,
- fetch_texel_3d_f_argb4444,
- store_texel_argb4444
- },
- {
- MESA_FORMAT_ARGB4444_REV,
- fetch_texel_1d_f_argb4444_rev,
- fetch_texel_2d_f_argb4444_rev,
- fetch_texel_3d_f_argb4444_rev,
- store_texel_argb4444_rev
- },
- {
- MESA_FORMAT_RGBA5551,
- fetch_texel_1d_f_rgba5551,
- fetch_texel_2d_f_rgba5551,
- fetch_texel_3d_f_rgba5551,
- store_texel_rgba5551
- },
- {
- MESA_FORMAT_ARGB1555,
- fetch_texel_1d_f_argb1555,
- fetch_texel_2d_f_argb1555,
- fetch_texel_3d_f_argb1555,
- store_texel_argb1555
- },
- {
- MESA_FORMAT_ARGB1555_REV,
- fetch_texel_1d_f_argb1555_rev,
- fetch_texel_2d_f_argb1555_rev,
- fetch_texel_3d_f_argb1555_rev,
- store_texel_argb1555_rev
- },
- {
- MESA_FORMAT_AL44,
- fetch_texel_1d_f_al44,
- fetch_texel_2d_f_al44,
- fetch_texel_3d_f_al44,
- store_texel_al44
- },
- {
- MESA_FORMAT_AL88,
- fetch_texel_1d_f_al88,
- fetch_texel_2d_f_al88,
- fetch_texel_3d_f_al88,
- store_texel_al88
- },
- {
- MESA_FORMAT_AL88_REV,
- fetch_texel_1d_f_al88_rev,
- fetch_texel_2d_f_al88_rev,
- fetch_texel_3d_f_al88_rev,
- store_texel_al88_rev
- },
- {
- MESA_FORMAT_AL1616,
- fetch_texel_1d_f_al1616,
- fetch_texel_2d_f_al1616,
- fetch_texel_3d_f_al1616,
- store_texel_al1616
- },
- {
- MESA_FORMAT_AL1616_REV,
- fetch_texel_1d_f_al1616_rev,
- fetch_texel_2d_f_al1616_rev,
- fetch_texel_3d_f_al1616_rev,
- store_texel_al1616_rev
- },
- {
- MESA_FORMAT_RGB332,
- fetch_texel_1d_f_rgb332,
- fetch_texel_2d_f_rgb332,
- fetch_texel_3d_f_rgb332,
- store_texel_rgb332
- },
- {
- MESA_FORMAT_A8,
- fetch_texel_1d_f_a8,
- fetch_texel_2d_f_a8,
- fetch_texel_3d_f_a8,
- store_texel_a8
- },
- {
- MESA_FORMAT_A16,
- fetch_texel_1d_f_a16,
- fetch_texel_2d_f_a16,
- fetch_texel_3d_f_a16,
- store_texel_a16
- },
- {
- MESA_FORMAT_L8,
- fetch_texel_1d_f_l8,
- fetch_texel_2d_f_l8,
- fetch_texel_3d_f_l8,
- store_texel_l8
- },
- {
- MESA_FORMAT_L16,
- fetch_texel_1d_f_l16,
- fetch_texel_2d_f_l16,
- fetch_texel_3d_f_l16,
- store_texel_l16
- },
- {
- MESA_FORMAT_I8,
- fetch_texel_1d_f_i8,
- fetch_texel_2d_f_i8,
- fetch_texel_3d_f_i8,
- store_texel_i8
- },
- {
- MESA_FORMAT_I16,
- fetch_texel_1d_f_i16,
- fetch_texel_2d_f_i16,
- fetch_texel_3d_f_i16,
- store_texel_i16
- },
- {
- MESA_FORMAT_CI8,
- fetch_texel_1d_f_ci8,
- fetch_texel_2d_f_ci8,
- fetch_texel_3d_f_ci8,
- store_texel_ci8
- },
- {
- MESA_FORMAT_YCBCR,
- fetch_texel_1d_f_ycbcr,
- fetch_texel_2d_f_ycbcr,
- fetch_texel_3d_f_ycbcr,
- store_texel_ycbcr
- },
- {
- MESA_FORMAT_YCBCR_REV,
- fetch_texel_1d_f_ycbcr_rev,
- fetch_texel_2d_f_ycbcr_rev,
- fetch_texel_3d_f_ycbcr_rev,
- store_texel_ycbcr_rev
- },
- {
- MESA_FORMAT_R8,
- fetch_texel_1d_f_r8,
- fetch_texel_2d_f_r8,
- fetch_texel_3d_f_r8,
- store_texel_r8,
- },
- {
- MESA_FORMAT_RG88,
- fetch_texel_1d_f_rg88,
- fetch_texel_2d_f_rg88,
- fetch_texel_3d_f_rg88,
- store_texel_rg88,
- },
- {
- MESA_FORMAT_RG88_REV,
- fetch_texel_1d_f_rg88_rev,
- fetch_texel_2d_f_rg88_rev,
- fetch_texel_3d_f_rg88_rev,
- store_texel_rg88_rev,
- },
- {
- MESA_FORMAT_R16,
- fetch_texel_1d_f_r16,
- fetch_texel_2d_f_r16,
- fetch_texel_3d_f_r16,
- store_texel_r16,
- },
- {
- MESA_FORMAT_RG1616,
- fetch_texel_1d_f_rg1616,
- fetch_texel_2d_f_rg1616,
- fetch_texel_3d_f_rg1616,
- store_texel_rg1616,
- },
- {
- MESA_FORMAT_RG1616_REV,
- fetch_texel_1d_f_rg1616_rev,
- fetch_texel_2d_f_rg1616_rev,
- fetch_texel_3d_f_rg1616_rev,
- store_texel_rg1616_rev,
- },
- {
- MESA_FORMAT_ARGB2101010,
- fetch_texel_1d_f_argb2101010,
- fetch_texel_2d_f_argb2101010,
- fetch_texel_3d_f_argb2101010,
- store_texel_argb2101010
- },
- {
- MESA_FORMAT_Z24_S8,
- fetch_texel_1d_f_z24_s8,
- fetch_texel_2d_f_z24_s8,
- fetch_texel_3d_f_z24_s8,
- store_texel_z24_s8
- },
- {
- MESA_FORMAT_S8_Z24,
- fetch_texel_1d_f_s8_z24,
- fetch_texel_2d_f_s8_z24,
- fetch_texel_3d_f_s8_z24,
- store_texel_s8_z24
- },
- {
- MESA_FORMAT_Z16,
- fetch_texel_1d_f_z16,
- fetch_texel_2d_f_z16,
- fetch_texel_3d_f_z16,
- store_texel_z16
- },
- {
- MESA_FORMAT_X8_Z24,
- fetch_texel_1d_f_s8_z24,
- fetch_texel_2d_f_s8_z24,
- fetch_texel_3d_f_s8_z24,
- store_texel_s8_z24
- },
- {
- MESA_FORMAT_Z24_X8,
- fetch_texel_1d_f_z24_s8,
- fetch_texel_2d_f_z24_s8,
- fetch_texel_3d_f_z24_s8,
- store_texel_z24_s8
- },
- {
- MESA_FORMAT_Z32,
- fetch_texel_1d_f_z32,
- fetch_texel_2d_f_z32,
- fetch_texel_3d_f_z32,
- store_texel_z32
- },
- {
- MESA_FORMAT_S8,
- NULL,
- NULL,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_SRGB8,
- fetch_texel_1d_srgb8,
- fetch_texel_2d_srgb8,
- fetch_texel_3d_srgb8,
- store_texel_srgb8
- },
- {
- MESA_FORMAT_SRGBA8,
- fetch_texel_1d_srgba8,
- fetch_texel_2d_srgba8,
- fetch_texel_3d_srgba8,
- store_texel_srgba8
- },
- {
- MESA_FORMAT_SARGB8,
- fetch_texel_1d_sargb8,
- fetch_texel_2d_sargb8,
- fetch_texel_3d_sargb8,
- store_texel_sargb8
- },
- {
- MESA_FORMAT_SL8,
- fetch_texel_1d_sl8,
- fetch_texel_2d_sl8,
- fetch_texel_3d_sl8,
- store_texel_sl8
- },
- {
- MESA_FORMAT_SLA8,
- fetch_texel_1d_sla8,
- fetch_texel_2d_sla8,
- fetch_texel_3d_sla8,
- store_texel_sla8
- },
- {
- MESA_FORMAT_SRGB_DXT1,
- NULL,
- _mesa_fetch_texel_2d_f_srgb_dxt1,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_SRGBA_DXT1,
- NULL,
- _mesa_fetch_texel_2d_f_srgba_dxt1,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_SRGBA_DXT3,
- NULL,
- _mesa_fetch_texel_2d_f_srgba_dxt3,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_SRGBA_DXT5,
- NULL,
- _mesa_fetch_texel_2d_f_srgba_dxt5,
- NULL,
- NULL
- },
-
- {
- MESA_FORMAT_RGB_FXT1,
- NULL,
- _mesa_fetch_texel_2d_f_rgb_fxt1,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_RGBA_FXT1,
- NULL,
- _mesa_fetch_texel_2d_f_rgba_fxt1,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_RGB_DXT1,
- NULL,
- _mesa_fetch_texel_2d_f_rgb_dxt1,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_RGBA_DXT1,
- NULL,
- _mesa_fetch_texel_2d_f_rgba_dxt1,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_RGBA_DXT3,
- NULL,
- _mesa_fetch_texel_2d_f_rgba_dxt3,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_RGBA_DXT5,
- NULL,
- _mesa_fetch_texel_2d_f_rgba_dxt5,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_RGBA_FLOAT32,
- fetch_texel_1d_f_rgba_f32,
- fetch_texel_2d_f_rgba_f32,
- fetch_texel_3d_f_rgba_f32,
- store_texel_rgba_f32
- },
- {
- MESA_FORMAT_RGBA_FLOAT16,
- fetch_texel_1d_f_rgba_f16,
- fetch_texel_2d_f_rgba_f16,
- fetch_texel_3d_f_rgba_f16,
- store_texel_rgba_f16
- },
- {
- MESA_FORMAT_RGB_FLOAT32,
- fetch_texel_1d_f_rgb_f32,
- fetch_texel_2d_f_rgb_f32,
- fetch_texel_3d_f_rgb_f32,
- store_texel_rgb_f32
- },
- {
- MESA_FORMAT_RGB_FLOAT16,
- fetch_texel_1d_f_rgb_f16,
- fetch_texel_2d_f_rgb_f16,
- fetch_texel_3d_f_rgb_f16,
- store_texel_rgb_f16
- },
- {
- MESA_FORMAT_ALPHA_FLOAT32,
- fetch_texel_1d_f_alpha_f32,
- fetch_texel_2d_f_alpha_f32,
- fetch_texel_3d_f_alpha_f32,
- store_texel_alpha_f32
- },
- {
- MESA_FORMAT_ALPHA_FLOAT16,
- fetch_texel_1d_f_alpha_f16,
- fetch_texel_2d_f_alpha_f16,
- fetch_texel_3d_f_alpha_f16,
- store_texel_alpha_f16
- },
- {
- MESA_FORMAT_LUMINANCE_FLOAT32,
- fetch_texel_1d_f_luminance_f32,
- fetch_texel_2d_f_luminance_f32,
- fetch_texel_3d_f_luminance_f32,
- store_texel_luminance_f32
- },
- {
- MESA_FORMAT_LUMINANCE_FLOAT16,
- fetch_texel_1d_f_luminance_f16,
- fetch_texel_2d_f_luminance_f16,
- fetch_texel_3d_f_luminance_f16,
- store_texel_luminance_f16
- },
- {
- MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32,
- fetch_texel_1d_f_luminance_alpha_f32,
- fetch_texel_2d_f_luminance_alpha_f32,
- fetch_texel_3d_f_luminance_alpha_f32,
- store_texel_luminance_alpha_f32
- },
- {
- MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16,
- fetch_texel_1d_f_luminance_alpha_f16,
- fetch_texel_2d_f_luminance_alpha_f16,
- fetch_texel_3d_f_luminance_alpha_f16,
- store_texel_luminance_alpha_f16
- },
- {
- MESA_FORMAT_INTENSITY_FLOAT32,
- fetch_texel_1d_f_intensity_f32,
- fetch_texel_2d_f_intensity_f32,
- fetch_texel_3d_f_intensity_f32,
- store_texel_intensity_f32
- },
- {
- MESA_FORMAT_INTENSITY_FLOAT16,
- fetch_texel_1d_f_intensity_f16,
- fetch_texel_2d_f_intensity_f16,
- fetch_texel_3d_f_intensity_f16,
- store_texel_intensity_f16
- },
-
- /* non-normalized, signed int */
- {
- MESA_FORMAT_RGBA_INT8,
- fetch_texel_1d_rgba_int8,
- fetch_texel_2d_rgba_int8,
- fetch_texel_3d_rgba_int8,
- store_texel_rgba_int8
- },
- {
- MESA_FORMAT_RGBA_INT16,
- fetch_texel_1d_rgba_int16,
- fetch_texel_2d_rgba_int16,
- fetch_texel_3d_rgba_int16,
- store_texel_rgba_int16
- },
- {
- MESA_FORMAT_RGBA_INT32,
- fetch_texel_1d_rgba_int32,
- fetch_texel_2d_rgba_int32,
- fetch_texel_3d_rgba_int32,
- store_texel_rgba_int32
- },
-
- /* non-normalized, unsigned int */
- {
- MESA_FORMAT_RGBA_UINT8,
- fetch_texel_1d_rgba_uint8,
- fetch_texel_2d_rgba_uint8,
- fetch_texel_3d_rgba_uint8,
- store_texel_rgba_uint8
- },
- {
- MESA_FORMAT_RGBA_UINT16,
- fetch_texel_1d_rgba_uint16,
- fetch_texel_2d_rgba_uint16,
- fetch_texel_3d_rgba_uint16,
- store_texel_rgba_uint16
- },
- {
- MESA_FORMAT_RGBA_UINT32,
- fetch_texel_1d_rgba_uint32,
- fetch_texel_2d_rgba_uint32,
- fetch_texel_3d_rgba_uint32,
- store_texel_rgba_uint32
- },
-
- /* dudv */
- {
- MESA_FORMAT_DUDV8,
- fetch_texel_1d_dudv8,
- fetch_texel_2d_dudv8,
- fetch_texel_3d_dudv8,
- NULL
- },
-
- /* signed, normalized */
- {
- MESA_FORMAT_SIGNED_R8,
- fetch_texel_1d_signed_r8,
- fetch_texel_2d_signed_r8,
- fetch_texel_3d_signed_r8,
- store_texel_signed_r8
- },
- {
- MESA_FORMAT_SIGNED_RG88,
- fetch_texel_1d_signed_rg88,
- fetch_texel_2d_signed_rg88,
- fetch_texel_3d_signed_rg88,
- store_texel_signed_rg88
- },
- {
- MESA_FORMAT_SIGNED_RGBX8888,
- fetch_texel_1d_signed_rgbx8888,
- fetch_texel_2d_signed_rgbx8888,
- fetch_texel_3d_signed_rgbx8888,
- store_texel_signed_rgbx8888
- },
- {
- MESA_FORMAT_SIGNED_RGBA8888,
- fetch_texel_1d_signed_rgba8888,
- fetch_texel_2d_signed_rgba8888,
- fetch_texel_3d_signed_rgba8888,
- store_texel_signed_rgba8888
- },
- {
- MESA_FORMAT_SIGNED_RGBA8888_REV,
- fetch_texel_1d_signed_rgba8888_rev,
- fetch_texel_2d_signed_rgba8888_rev,
- fetch_texel_3d_signed_rgba8888_rev,
- store_texel_signed_rgba8888_rev
- },
- {
- MESA_FORMAT_SIGNED_R_16,
- fetch_texel_1d_signed_r_16,
- fetch_texel_2d_signed_r_16,
- fetch_texel_3d_signed_r_16,
- store_texel_signed_r_16
- },
- {
- MESA_FORMAT_SIGNED_RG_16,
- fetch_texel_1d_signed_rg_16,
- fetch_texel_2d_signed_rg_16,
- fetch_texel_3d_signed_rg_16,
- store_texel_signed_rg_16
- },
- {
- MESA_FORMAT_SIGNED_RGB_16,
- fetch_texel_1d_signed_rgb_16,
- fetch_texel_2d_signed_rgb_16,
- fetch_texel_3d_signed_rgb_16,
- store_texel_signed_rgb_16
- },
- {
- MESA_FORMAT_SIGNED_RGBA_16,
- fetch_texel_1d_signed_rgba_16,
- fetch_texel_2d_signed_rgba_16,
- fetch_texel_3d_signed_rgba_16,
- store_texel_signed_rgba_16
- },
- {
- MESA_FORMAT_RGBA_16,
- fetch_texel_1d_rgba_16,
- fetch_texel_2d_rgba_16,
- fetch_texel_3d_rgba_16,
- store_texel_rgba_16
- },
- {
- MESA_FORMAT_RED_RGTC1,
- NULL,
- _mesa_fetch_texel_2d_f_red_rgtc1,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_SIGNED_RED_RGTC1,
- NULL,
- _mesa_fetch_texel_2d_f_signed_red_rgtc1,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_RG_RGTC2,
- NULL,
- _mesa_fetch_texel_2d_f_rg_rgtc2,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_SIGNED_RG_RGTC2,
- NULL,
- _mesa_fetch_texel_2d_f_signed_rg_rgtc2,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_L_LATC1,
- NULL,
- _mesa_fetch_texel_2d_f_l_latc1,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_SIGNED_L_LATC1,
- NULL,
- _mesa_fetch_texel_2d_f_signed_l_latc1,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_LA_LATC2,
- NULL,
- _mesa_fetch_texel_2d_f_la_latc2,
- NULL,
- NULL
- },
- {
- MESA_FORMAT_SIGNED_LA_LATC2,
- NULL,
- _mesa_fetch_texel_2d_f_signed_la_latc2,
- NULL,
- NULL
- },
-};
-
-
-FetchTexelFuncF
-_mesa_get_texel_fetch_func(gl_format format, GLuint dims)
-{
-#ifdef DEBUG
- /* check that the table entries are sorted by format name */
- gl_format fmt;
- for (fmt = 0; fmt < MESA_FORMAT_COUNT; fmt++) {
- assert(texfetch_funcs[fmt].Name == fmt);
- }
-#endif
-
- assert(Elements(texfetch_funcs) == MESA_FORMAT_COUNT);
- assert(format < MESA_FORMAT_COUNT);
-
- switch (dims) {
- case 1:
- return texfetch_funcs[format].Fetch1D;
- case 2:
- return texfetch_funcs[format].Fetch2D;
- case 3:
- return texfetch_funcs[format].Fetch3D;
- default:
- assert(0 && "bad dims in _mesa_get_texel_fetch_func");
- return NULL;
- }
-}
-
-
-StoreTexelFunc
-_mesa_get_texel_store_func(gl_format format)
-{
- assert(format < MESA_FORMAT_COUNT);
- return texfetch_funcs[format].StoreTexel;
-}
-
-
-/**
- * Adaptor for fetching a GLchan texel from a float-valued texture.
- */
-static void
-fetch_texel_float_to_chan(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLchan *texelOut)
-{
- GLfloat temp[4];
- GLenum baseFormat = _mesa_get_format_base_format(texImage->TexFormat);
-
- ASSERT(texImage->FetchTexelf);
- texImage->FetchTexelf(texImage, i, j, k, temp);
- if (baseFormat == GL_DEPTH_COMPONENT ||
- baseFormat == GL_DEPTH_STENCIL_EXT) {
- /* just one channel */
- UNCLAMPED_FLOAT_TO_CHAN(texelOut[0], temp[0]);
- }
- else {
- /* four channels */
- UNCLAMPED_FLOAT_TO_CHAN(texelOut[0], temp[0]);
- UNCLAMPED_FLOAT_TO_CHAN(texelOut[1], temp[1]);
- UNCLAMPED_FLOAT_TO_CHAN(texelOut[2], temp[2]);
- UNCLAMPED_FLOAT_TO_CHAN(texelOut[3], temp[3]);
- }
-}
-
-
-#if 0
-/**
- * Adaptor for fetching a float texel from a GLchan-valued texture.
- */
-static void
-fetch_texel_chan_to_float(const struct gl_texture_image *texImage,
- GLint i, GLint j, GLint k, GLfloat *texelOut)
-{
- GLchan temp[4];
- GLenum baseFormat = _mesa_get_format_base_format(texImage->TexFormat);
-
- ASSERT(texImage->FetchTexelc);
- texImage->FetchTexelc(texImage, i, j, k, temp);
- if (baseFormat == GL_DEPTH_COMPONENT ||
- baseFormat == GL_DEPTH_STENCIL_EXT) {
- /* just one channel */
- texelOut[0] = CHAN_TO_FLOAT(temp[0]);
- }
- else {
- /* four channels */
- texelOut[0] = CHAN_TO_FLOAT(temp[0]);
- texelOut[1] = CHAN_TO_FLOAT(temp[1]);
- texelOut[2] = CHAN_TO_FLOAT(temp[2]);
- texelOut[3] = CHAN_TO_FLOAT(temp[3]);
- }
-}
-#endif
-
-
-/**
- * Initialize the texture image's FetchTexelc and FetchTexelf methods.
- */
-void
-_mesa_set_fetch_functions(struct gl_texture_image *texImage, GLuint dims)
-{
- gl_format format = texImage->TexFormat;
-
- ASSERT(dims == 1 || dims == 2 || dims == 3);
-
- if (texImage->TexObject->sRGBDecode == GL_SKIP_DECODE_EXT &&
- _mesa_get_format_color_encoding(format) == GL_SRGB) {
- format = _mesa_get_srgb_format_linear(format);
- }
-
- texImage->FetchTexelf = _mesa_get_texel_fetch_func(format, dims);
-
- texImage->FetchTexelc = fetch_texel_float_to_chan;
-
- ASSERT(texImage->FetchTexelc);
- ASSERT(texImage->FetchTexelf);
-}
-
-void
-_mesa_update_fetch_functions(struct gl_texture_object *texObj)
-{
- GLuint face, i;
- GLuint dims;
-
- dims = _mesa_get_texture_dimensions(texObj->Target);
-
- for (face = 0; face < 6; face++) {
- for (i = 0; i < MAX_TEXTURE_LEVELS; i++) {
- if (texObj->Image[face][i]) {
- _mesa_set_fetch_functions(texObj->Image[face][i], dims);
- }
- }
- }
-}
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.7
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (c) 2009 VMware, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/**
+ * \file texfetch.c
+ *
+ * Texel fetch/store functions
+ *
+ * \author Gareth Hughes
+ */
+
+
+#include "colormac.h"
+#include "macros.h"
+#include "texcompress.h"
+#include "texcompress_fxt1.h"
+#include "texcompress_s3tc.h"
+#include "texcompress_rgtc.h"
+#include "texfetch.h"
+#include "teximage.h"
+
+
+/**
+ * Convert an 8-bit sRGB value from non-linear space to a
+ * linear RGB value in [0, 1].
+ * Implemented with a 256-entry lookup table.
+ */
+static INLINE GLfloat
+nonlinear_to_linear(GLubyte cs8)
+{
+ static GLfloat table[256];
+ static GLboolean tableReady = GL_FALSE;
+ if (!tableReady) {
+ /* compute lookup table now */
+ GLuint i;
+ for (i = 0; i < 256; i++) {
+ const GLfloat cs = UBYTE_TO_FLOAT(i);
+ if (cs <= 0.04045) {
+ table[i] = cs / 12.92f;
+ }
+ else {
+ table[i] = (GLfloat) pow((cs + 0.055) / 1.055, 2.4);
+ }
+ }
+ tableReady = GL_TRUE;
+ }
+ return table[cs8];
+}
+
+
+
+/* Texel fetch routines for all supported formats
+ */
+#define DIM 1
+#include "texfetch_tmp.h"
+
+#define DIM 2
+#include "texfetch_tmp.h"
+
+#define DIM 3
+#include "texfetch_tmp.h"
+
+/**
+ * Null texel fetch function.
+ *
+ * Have to have this so the FetchTexel function pointer is never NULL.
+ */
+static void fetch_null_texelf( const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel )
+{
+ (void) texImage; (void) i; (void) j; (void) k;
+ texel[RCOMP] = 0.0;
+ texel[GCOMP] = 0.0;
+ texel[BCOMP] = 0.0;
+ texel[ACOMP] = 0.0;
+ _mesa_warning(NULL, "fetch_null_texelf() called!");
+}
+
+static void store_null_texel(struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, const void *texel)
+{
+ (void) texImage;
+ (void) i;
+ (void) j;
+ (void) k;
+ (void) texel;
+ /* no-op */
+}
+
+
+
+/**
+ * Table to map MESA_FORMAT_ to texel fetch/store funcs.
+ * XXX this is somewhat temporary.
+ */
+static struct {
+ gl_format Name;
+ FetchTexelFuncF Fetch1D;
+ FetchTexelFuncF Fetch2D;
+ FetchTexelFuncF Fetch3D;
+ StoreTexelFunc StoreTexel;
+}
+texfetch_funcs[MESA_FORMAT_COUNT] =
+{
+ {
+ MESA_FORMAT_NONE,
+ fetch_null_texelf,
+ fetch_null_texelf,
+ fetch_null_texelf,
+ store_null_texel
+ },
+
+ {
+ MESA_FORMAT_RGBA8888,
+ fetch_texel_1d_f_rgba8888,
+ fetch_texel_2d_f_rgba8888,
+ fetch_texel_3d_f_rgba8888,
+ store_texel_rgba8888
+ },
+ {
+ MESA_FORMAT_RGBA8888_REV,
+ fetch_texel_1d_f_rgba8888_rev,
+ fetch_texel_2d_f_rgba8888_rev,
+ fetch_texel_3d_f_rgba8888_rev,
+ store_texel_rgba8888_rev
+ },
+ {
+ MESA_FORMAT_ARGB8888,
+ fetch_texel_1d_f_argb8888,
+ fetch_texel_2d_f_argb8888,
+ fetch_texel_3d_f_argb8888,
+ store_texel_argb8888
+ },
+ {
+ MESA_FORMAT_ARGB8888_REV,
+ fetch_texel_1d_f_argb8888_rev,
+ fetch_texel_2d_f_argb8888_rev,
+ fetch_texel_3d_f_argb8888_rev,
+ store_texel_argb8888_rev
+ },
+ {
+ MESA_FORMAT_XRGB8888,
+ fetch_texel_1d_f_xrgb8888,
+ fetch_texel_2d_f_xrgb8888,
+ fetch_texel_3d_f_xrgb8888,
+ store_texel_xrgb8888
+ },
+ {
+ MESA_FORMAT_XRGB8888_REV,
+ fetch_texel_1d_f_xrgb8888_rev,
+ fetch_texel_2d_f_xrgb8888_rev,
+ fetch_texel_3d_f_xrgb8888_rev,
+ store_texel_xrgb8888_rev,
+ },
+ {
+ MESA_FORMAT_RGB888,
+ fetch_texel_1d_f_rgb888,
+ fetch_texel_2d_f_rgb888,
+ fetch_texel_3d_f_rgb888,
+ store_texel_rgb888
+ },
+ {
+ MESA_FORMAT_BGR888,
+ fetch_texel_1d_f_bgr888,
+ fetch_texel_2d_f_bgr888,
+ fetch_texel_3d_f_bgr888,
+ store_texel_bgr888
+ },
+ {
+ MESA_FORMAT_RGB565,
+ fetch_texel_1d_f_rgb565,
+ fetch_texel_2d_f_rgb565,
+ fetch_texel_3d_f_rgb565,
+ store_texel_rgb565
+ },
+ {
+ MESA_FORMAT_RGB565_REV,
+ fetch_texel_1d_f_rgb565_rev,
+ fetch_texel_2d_f_rgb565_rev,
+ fetch_texel_3d_f_rgb565_rev,
+ store_texel_rgb565_rev
+ },
+ {
+ MESA_FORMAT_ARGB4444,
+ fetch_texel_1d_f_argb4444,
+ fetch_texel_2d_f_argb4444,
+ fetch_texel_3d_f_argb4444,
+ store_texel_argb4444
+ },
+ {
+ MESA_FORMAT_ARGB4444_REV,
+ fetch_texel_1d_f_argb4444_rev,
+ fetch_texel_2d_f_argb4444_rev,
+ fetch_texel_3d_f_argb4444_rev,
+ store_texel_argb4444_rev
+ },
+ {
+ MESA_FORMAT_RGBA5551,
+ fetch_texel_1d_f_rgba5551,
+ fetch_texel_2d_f_rgba5551,
+ fetch_texel_3d_f_rgba5551,
+ store_texel_rgba5551
+ },
+ {
+ MESA_FORMAT_ARGB1555,
+ fetch_texel_1d_f_argb1555,
+ fetch_texel_2d_f_argb1555,
+ fetch_texel_3d_f_argb1555,
+ store_texel_argb1555
+ },
+ {
+ MESA_FORMAT_ARGB1555_REV,
+ fetch_texel_1d_f_argb1555_rev,
+ fetch_texel_2d_f_argb1555_rev,
+ fetch_texel_3d_f_argb1555_rev,
+ store_texel_argb1555_rev
+ },
+ {
+ MESA_FORMAT_AL44,
+ fetch_texel_1d_f_al44,
+ fetch_texel_2d_f_al44,
+ fetch_texel_3d_f_al44,
+ store_texel_al44
+ },
+ {
+ MESA_FORMAT_AL88,
+ fetch_texel_1d_f_al88,
+ fetch_texel_2d_f_al88,
+ fetch_texel_3d_f_al88,
+ store_texel_al88
+ },
+ {
+ MESA_FORMAT_AL88_REV,
+ fetch_texel_1d_f_al88_rev,
+ fetch_texel_2d_f_al88_rev,
+ fetch_texel_3d_f_al88_rev,
+ store_texel_al88_rev
+ },
+ {
+ MESA_FORMAT_AL1616,
+ fetch_texel_1d_f_al1616,
+ fetch_texel_2d_f_al1616,
+ fetch_texel_3d_f_al1616,
+ store_texel_al1616
+ },
+ {
+ MESA_FORMAT_AL1616_REV,
+ fetch_texel_1d_f_al1616_rev,
+ fetch_texel_2d_f_al1616_rev,
+ fetch_texel_3d_f_al1616_rev,
+ store_texel_al1616_rev
+ },
+ {
+ MESA_FORMAT_RGB332,
+ fetch_texel_1d_f_rgb332,
+ fetch_texel_2d_f_rgb332,
+ fetch_texel_3d_f_rgb332,
+ store_texel_rgb332
+ },
+ {
+ MESA_FORMAT_A8,
+ fetch_texel_1d_f_a8,
+ fetch_texel_2d_f_a8,
+ fetch_texel_3d_f_a8,
+ store_texel_a8
+ },
+ {
+ MESA_FORMAT_A16,
+ fetch_texel_1d_f_a16,
+ fetch_texel_2d_f_a16,
+ fetch_texel_3d_f_a16,
+ store_texel_a16
+ },
+ {
+ MESA_FORMAT_L8,
+ fetch_texel_1d_f_l8,
+ fetch_texel_2d_f_l8,
+ fetch_texel_3d_f_l8,
+ store_texel_l8
+ },
+ {
+ MESA_FORMAT_L16,
+ fetch_texel_1d_f_l16,
+ fetch_texel_2d_f_l16,
+ fetch_texel_3d_f_l16,
+ store_texel_l16
+ },
+ {
+ MESA_FORMAT_I8,
+ fetch_texel_1d_f_i8,
+ fetch_texel_2d_f_i8,
+ fetch_texel_3d_f_i8,
+ store_texel_i8
+ },
+ {
+ MESA_FORMAT_I16,
+ fetch_texel_1d_f_i16,
+ fetch_texel_2d_f_i16,
+ fetch_texel_3d_f_i16,
+ store_texel_i16
+ },
+ {
+ MESA_FORMAT_CI8,
+ fetch_texel_1d_f_ci8,
+ fetch_texel_2d_f_ci8,
+ fetch_texel_3d_f_ci8,
+ store_texel_ci8
+ },
+ {
+ MESA_FORMAT_YCBCR,
+ fetch_texel_1d_f_ycbcr,
+ fetch_texel_2d_f_ycbcr,
+ fetch_texel_3d_f_ycbcr,
+ store_texel_ycbcr
+ },
+ {
+ MESA_FORMAT_YCBCR_REV,
+ fetch_texel_1d_f_ycbcr_rev,
+ fetch_texel_2d_f_ycbcr_rev,
+ fetch_texel_3d_f_ycbcr_rev,
+ store_texel_ycbcr_rev
+ },
+ {
+ MESA_FORMAT_R8,
+ fetch_texel_1d_f_r8,
+ fetch_texel_2d_f_r8,
+ fetch_texel_3d_f_r8,
+ store_texel_r8,
+ },
+ {
+ MESA_FORMAT_RG88,
+ fetch_texel_1d_f_rg88,
+ fetch_texel_2d_f_rg88,
+ fetch_texel_3d_f_rg88,
+ store_texel_rg88,
+ },
+ {
+ MESA_FORMAT_RG88_REV,
+ fetch_texel_1d_f_rg88_rev,
+ fetch_texel_2d_f_rg88_rev,
+ fetch_texel_3d_f_rg88_rev,
+ store_texel_rg88_rev,
+ },
+ {
+ MESA_FORMAT_R16,
+ fetch_texel_1d_f_r16,
+ fetch_texel_2d_f_r16,
+ fetch_texel_3d_f_r16,
+ store_texel_r16,
+ },
+ {
+ MESA_FORMAT_RG1616,
+ fetch_texel_1d_f_rg1616,
+ fetch_texel_2d_f_rg1616,
+ fetch_texel_3d_f_rg1616,
+ store_texel_rg1616,
+ },
+ {
+ MESA_FORMAT_RG1616_REV,
+ fetch_texel_1d_f_rg1616_rev,
+ fetch_texel_2d_f_rg1616_rev,
+ fetch_texel_3d_f_rg1616_rev,
+ store_texel_rg1616_rev,
+ },
+ {
+ MESA_FORMAT_ARGB2101010,
+ fetch_texel_1d_f_argb2101010,
+ fetch_texel_2d_f_argb2101010,
+ fetch_texel_3d_f_argb2101010,
+ store_texel_argb2101010
+ },
+ {
+ MESA_FORMAT_Z24_S8,
+ fetch_texel_1d_f_z24_s8,
+ fetch_texel_2d_f_z24_s8,
+ fetch_texel_3d_f_z24_s8,
+ store_texel_z24_s8
+ },
+ {
+ MESA_FORMAT_S8_Z24,
+ fetch_texel_1d_f_s8_z24,
+ fetch_texel_2d_f_s8_z24,
+ fetch_texel_3d_f_s8_z24,
+ store_texel_s8_z24
+ },
+ {
+ MESA_FORMAT_Z16,
+ fetch_texel_1d_f_z16,
+ fetch_texel_2d_f_z16,
+ fetch_texel_3d_f_z16,
+ store_texel_z16
+ },
+ {
+ MESA_FORMAT_X8_Z24,
+ fetch_texel_1d_f_s8_z24,
+ fetch_texel_2d_f_s8_z24,
+ fetch_texel_3d_f_s8_z24,
+ store_texel_s8_z24
+ },
+ {
+ MESA_FORMAT_Z24_X8,
+ fetch_texel_1d_f_z24_s8,
+ fetch_texel_2d_f_z24_s8,
+ fetch_texel_3d_f_z24_s8,
+ store_texel_z24_s8
+ },
+ {
+ MESA_FORMAT_Z32,
+ fetch_texel_1d_f_z32,
+ fetch_texel_2d_f_z32,
+ fetch_texel_3d_f_z32,
+ store_texel_z32
+ },
+ {
+ MESA_FORMAT_S8,
+ NULL,
+ NULL,
+ NULL,
+ NULL
+ },
+ {
+ MESA_FORMAT_SRGB8,
+ fetch_texel_1d_srgb8,
+ fetch_texel_2d_srgb8,
+ fetch_texel_3d_srgb8,
+ store_texel_srgb8
+ },
+ {
+ MESA_FORMAT_SRGBA8,
+ fetch_texel_1d_srgba8,
+ fetch_texel_2d_srgba8,
+ fetch_texel_3d_srgba8,
+ store_texel_srgba8
+ },
+ {
+ MESA_FORMAT_SARGB8,
+ fetch_texel_1d_sargb8,
+ fetch_texel_2d_sargb8,
+ fetch_texel_3d_sargb8,
+ store_texel_sargb8
+ },
+ {
+ MESA_FORMAT_SL8,
+ fetch_texel_1d_sl8,
+ fetch_texel_2d_sl8,
+ fetch_texel_3d_sl8,
+ store_texel_sl8
+ },
+ {
+ MESA_FORMAT_SLA8,
+ fetch_texel_1d_sla8,
+ fetch_texel_2d_sla8,
+ fetch_texel_3d_sla8,
+ store_texel_sla8
+ },
+ {
+ MESA_FORMAT_SRGB_DXT1,
+ NULL,
+ _mesa_fetch_texel_2d_f_srgb_dxt1,
+ NULL,
+ NULL
+ },
+ {
+ MESA_FORMAT_SRGBA_DXT1,
+ NULL,
+ _mesa_fetch_texel_2d_f_srgba_dxt1,
+ NULL,
+ NULL
+ },
+ {
+ MESA_FORMAT_SRGBA_DXT3,
+ NULL,
+ _mesa_fetch_texel_2d_f_srgba_dxt3,
+ NULL,
+ NULL
+ },
+ {
+ MESA_FORMAT_SRGBA_DXT5,
+ NULL,
+ _mesa_fetch_texel_2d_f_srgba_dxt5,
+ NULL,
+ NULL
+ },
+
+ {
+ MESA_FORMAT_RGB_FXT1,
+ NULL,
+ _mesa_fetch_texel_2d_f_rgb_fxt1,
+ NULL,
+ NULL
+ },
+ {
+ MESA_FORMAT_RGBA_FXT1,
+ NULL,
+ _mesa_fetch_texel_2d_f_rgba_fxt1,
+ NULL,
+ NULL
+ },
+ {
+ MESA_FORMAT_RGB_DXT1,
+ NULL,
+ _mesa_fetch_texel_2d_f_rgb_dxt1,
+ NULL,
+ NULL
+ },
+ {
+ MESA_FORMAT_RGBA_DXT1,
+ NULL,
+ _mesa_fetch_texel_2d_f_rgba_dxt1,
+ NULL,
+ NULL
+ },
+ {
+ MESA_FORMAT_RGBA_DXT3,
+ NULL,
+ _mesa_fetch_texel_2d_f_rgba_dxt3,
+ NULL,
+ NULL
+ },
+ {
+ MESA_FORMAT_RGBA_DXT5,
+ NULL,
+ _mesa_fetch_texel_2d_f_rgba_dxt5,
+ NULL,
+ NULL
+ },
+ {
+ MESA_FORMAT_RGBA_FLOAT32,
+ fetch_texel_1d_f_rgba_f32,
+ fetch_texel_2d_f_rgba_f32,
+ fetch_texel_3d_f_rgba_f32,
+ store_texel_rgba_f32
+ },
+ {
+ MESA_FORMAT_RGBA_FLOAT16,
+ fetch_texel_1d_f_rgba_f16,
+ fetch_texel_2d_f_rgba_f16,
+ fetch_texel_3d_f_rgba_f16,
+ store_texel_rgba_f16
+ },
+ {
+ MESA_FORMAT_RGB_FLOAT32,
+ fetch_texel_1d_f_rgb_f32,
+ fetch_texel_2d_f_rgb_f32,
+ fetch_texel_3d_f_rgb_f32,
+ store_texel_rgb_f32
+ },
+ {
+ MESA_FORMAT_RGB_FLOAT16,
+ fetch_texel_1d_f_rgb_f16,
+ fetch_texel_2d_f_rgb_f16,
+ fetch_texel_3d_f_rgb_f16,
+ store_texel_rgb_f16
+ },
+ {
+ MESA_FORMAT_ALPHA_FLOAT32,
+ fetch_texel_1d_f_alpha_f32,
+ fetch_texel_2d_f_alpha_f32,
+ fetch_texel_3d_f_alpha_f32,
+ store_texel_alpha_f32
+ },
+ {
+ MESA_FORMAT_ALPHA_FLOAT16,
+ fetch_texel_1d_f_alpha_f16,
+ fetch_texel_2d_f_alpha_f16,
+ fetch_texel_3d_f_alpha_f16,
+ store_texel_alpha_f16
+ },
+ {
+ MESA_FORMAT_LUMINANCE_FLOAT32,
+ fetch_texel_1d_f_luminance_f32,
+ fetch_texel_2d_f_luminance_f32,
+ fetch_texel_3d_f_luminance_f32,
+ store_texel_luminance_f32
+ },
+ {
+ MESA_FORMAT_LUMINANCE_FLOAT16,
+ fetch_texel_1d_f_luminance_f16,
+ fetch_texel_2d_f_luminance_f16,
+ fetch_texel_3d_f_luminance_f16,
+ store_texel_luminance_f16
+ },
+ {
+ MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32,
+ fetch_texel_1d_f_luminance_alpha_f32,
+ fetch_texel_2d_f_luminance_alpha_f32,
+ fetch_texel_3d_f_luminance_alpha_f32,
+ store_texel_luminance_alpha_f32
+ },
+ {
+ MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16,
+ fetch_texel_1d_f_luminance_alpha_f16,
+ fetch_texel_2d_f_luminance_alpha_f16,
+ fetch_texel_3d_f_luminance_alpha_f16,
+ store_texel_luminance_alpha_f16
+ },
+ {
+ MESA_FORMAT_INTENSITY_FLOAT32,
+ fetch_texel_1d_f_intensity_f32,
+ fetch_texel_2d_f_intensity_f32,
+ fetch_texel_3d_f_intensity_f32,
+ store_texel_intensity_f32
+ },
+ {
+ MESA_FORMAT_INTENSITY_FLOAT16,
+ fetch_texel_1d_f_intensity_f16,
+ fetch_texel_2d_f_intensity_f16,
+ fetch_texel_3d_f_intensity_f16,
+ store_texel_intensity_f16
+ },
+
+ /* non-normalized, signed int */
+ {
+ MESA_FORMAT_RGBA_INT8,
+ fetch_texel_1d_rgba_int8,
+ fetch_texel_2d_rgba_int8,
+ fetch_texel_3d_rgba_int8,
+ store_texel_rgba_int8
+ },
+ {
+ MESA_FORMAT_RGBA_INT16,
+ fetch_texel_1d_rgba_int16,
+ fetch_texel_2d_rgba_int16,
+ fetch_texel_3d_rgba_int16,
+ store_texel_rgba_int16
+ },
+ {
+ MESA_FORMAT_RGBA_INT32,
+ fetch_texel_1d_rgba_int32,
+ fetch_texel_2d_rgba_int32,
+ fetch_texel_3d_rgba_int32,
+ store_texel_rgba_int32
+ },
+
+ /* non-normalized, unsigned int */
+ {
+ MESA_FORMAT_RGBA_UINT8,
+ fetch_texel_1d_rgba_uint8,
+ fetch_texel_2d_rgba_uint8,
+ fetch_texel_3d_rgba_uint8,
+ store_texel_rgba_uint8
+ },
+ {
+ MESA_FORMAT_RGBA_UINT16,
+ fetch_texel_1d_rgba_uint16,
+ fetch_texel_2d_rgba_uint16,
+ fetch_texel_3d_rgba_uint16,
+ store_texel_rgba_uint16
+ },
+ {
+ MESA_FORMAT_RGBA_UINT32,
+ fetch_texel_1d_rgba_uint32,
+ fetch_texel_2d_rgba_uint32,
+ fetch_texel_3d_rgba_uint32,
+ store_texel_rgba_uint32
+ },
+
+ /* dudv */
+ {
+ MESA_FORMAT_DUDV8,
+ fetch_texel_1d_dudv8,
+ fetch_texel_2d_dudv8,
+ fetch_texel_3d_dudv8,
+ NULL
+ },
+
+ /* signed, normalized */
+ {
+ MESA_FORMAT_SIGNED_R8,
+ fetch_texel_1d_signed_r8,
+ fetch_texel_2d_signed_r8,
+ fetch_texel_3d_signed_r8,
+ store_texel_signed_r8
+ },
+ {
+ MESA_FORMAT_SIGNED_RG88,
+ fetch_texel_1d_signed_rg88,
+ fetch_texel_2d_signed_rg88,
+ fetch_texel_3d_signed_rg88,
+ store_texel_signed_rg88
+ },
+ {
+ MESA_FORMAT_SIGNED_RGBX8888,
+ fetch_texel_1d_signed_rgbx8888,
+ fetch_texel_2d_signed_rgbx8888,
+ fetch_texel_3d_signed_rgbx8888,
+ store_texel_signed_rgbx8888
+ },
+ {
+ MESA_FORMAT_SIGNED_RGBA8888,
+ fetch_texel_1d_signed_rgba8888,
+ fetch_texel_2d_signed_rgba8888,
+ fetch_texel_3d_signed_rgba8888,
+ store_texel_signed_rgba8888
+ },
+ {
+ MESA_FORMAT_SIGNED_RGBA8888_REV,
+ fetch_texel_1d_signed_rgba8888_rev,
+ fetch_texel_2d_signed_rgba8888_rev,
+ fetch_texel_3d_signed_rgba8888_rev,
+ store_texel_signed_rgba8888_rev
+ },
+ {
+ MESA_FORMAT_SIGNED_R_16,
+ fetch_texel_1d_signed_r_16,
+ fetch_texel_2d_signed_r_16,
+ fetch_texel_3d_signed_r_16,
+ store_texel_signed_r_16
+ },
+ {
+ MESA_FORMAT_SIGNED_RG_16,
+ fetch_texel_1d_signed_rg_16,
+ fetch_texel_2d_signed_rg_16,
+ fetch_texel_3d_signed_rg_16,
+ store_texel_signed_rg_16
+ },
+ {
+ MESA_FORMAT_SIGNED_RGB_16,
+ fetch_texel_1d_signed_rgb_16,
+ fetch_texel_2d_signed_rgb_16,
+ fetch_texel_3d_signed_rgb_16,
+ store_texel_signed_rgb_16
+ },
+ {
+ MESA_FORMAT_SIGNED_RGBA_16,
+ fetch_texel_1d_signed_rgba_16,
+ fetch_texel_2d_signed_rgba_16,
+ fetch_texel_3d_signed_rgba_16,
+ store_texel_signed_rgba_16
+ },
+ {
+ MESA_FORMAT_RGBA_16,
+ fetch_texel_1d_rgba_16,
+ fetch_texel_2d_rgba_16,
+ fetch_texel_3d_rgba_16,
+ store_texel_rgba_16
+ },
+ {
+ MESA_FORMAT_RED_RGTC1,
+ NULL,
+ _mesa_fetch_texel_2d_f_red_rgtc1,
+ NULL,
+ NULL
+ },
+ {
+ MESA_FORMAT_SIGNED_RED_RGTC1,
+ NULL,
+ _mesa_fetch_texel_2d_f_signed_red_rgtc1,
+ NULL,
+ NULL
+ },
+ {
+ MESA_FORMAT_RG_RGTC2,
+ NULL,
+ _mesa_fetch_texel_2d_f_rg_rgtc2,
+ NULL,
+ NULL
+ },
+ {
+ MESA_FORMAT_SIGNED_RG_RGTC2,
+ NULL,
+ _mesa_fetch_texel_2d_f_signed_rg_rgtc2,
+ NULL,
+ NULL
+ },
+ {
+ MESA_FORMAT_L_LATC1,
+ NULL,
+ _mesa_fetch_texel_2d_f_l_latc1,
+ NULL,
+ NULL
+ },
+ {
+ MESA_FORMAT_SIGNED_L_LATC1,
+ NULL,
+ _mesa_fetch_texel_2d_f_signed_l_latc1,
+ NULL,
+ NULL
+ },
+ {
+ MESA_FORMAT_LA_LATC2,
+ NULL,
+ _mesa_fetch_texel_2d_f_la_latc2,
+ NULL,
+ NULL
+ },
+ {
+ MESA_FORMAT_SIGNED_LA_LATC2,
+ NULL,
+ _mesa_fetch_texel_2d_f_signed_la_latc2,
+ NULL,
+ NULL
+ },
+};
+
+
+FetchTexelFuncF
+_mesa_get_texel_fetch_func(gl_format format, GLuint dims)
+{
+#ifdef DEBUG
+ /* check that the table entries are sorted by format name */
+ gl_format fmt;
+ for (fmt = 0; fmt < MESA_FORMAT_COUNT; fmt++) {
+ assert(texfetch_funcs[fmt].Name == fmt);
+ }
+#endif
+
+ assert(Elements(texfetch_funcs) == MESA_FORMAT_COUNT);
+ assert(format < MESA_FORMAT_COUNT);
+
+ switch (dims) {
+ case 1:
+ return texfetch_funcs[format].Fetch1D;
+ case 2:
+ return texfetch_funcs[format].Fetch2D;
+ case 3:
+ return texfetch_funcs[format].Fetch3D;
+ default:
+ assert(0 && "bad dims in _mesa_get_texel_fetch_func");
+ return NULL;
+ }
+}
+
+
+StoreTexelFunc
+_mesa_get_texel_store_func(gl_format format)
+{
+ assert(format < MESA_FORMAT_COUNT);
+ return texfetch_funcs[format].StoreTexel;
+}
+
+
+/**
+ * Adaptor for fetching a GLchan texel from a float-valued texture.
+ */
+static void
+fetch_texel_float_to_chan(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLchan *texelOut)
+{
+ GLfloat temp[4];
+ GLenum baseFormat = _mesa_get_format_base_format(texImage->TexFormat);
+
+ ASSERT(texImage->FetchTexelf);
+ texImage->FetchTexelf(texImage, i, j, k, temp);
+ if (baseFormat == GL_DEPTH_COMPONENT ||
+ baseFormat == GL_DEPTH_STENCIL_EXT) {
+ /* just one channel */
+ UNCLAMPED_FLOAT_TO_CHAN(texelOut[0], temp[0]);
+ }
+ else {
+ /* four channels */
+ UNCLAMPED_FLOAT_TO_CHAN(texelOut[0], temp[0]);
+ UNCLAMPED_FLOAT_TO_CHAN(texelOut[1], temp[1]);
+ UNCLAMPED_FLOAT_TO_CHAN(texelOut[2], temp[2]);
+ UNCLAMPED_FLOAT_TO_CHAN(texelOut[3], temp[3]);
+ }
+}
+
+
+#if 0
+/**
+ * Adaptor for fetching a float texel from a GLchan-valued texture.
+ */
+static void
+fetch_texel_chan_to_float(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texelOut)
+{
+ GLchan temp[4];
+ GLenum baseFormat = _mesa_get_format_base_format(texImage->TexFormat);
+
+ ASSERT(texImage->FetchTexelc);
+ texImage->FetchTexelc(texImage, i, j, k, temp);
+ if (baseFormat == GL_DEPTH_COMPONENT ||
+ baseFormat == GL_DEPTH_STENCIL_EXT) {
+ /* just one channel */
+ texelOut[0] = CHAN_TO_FLOAT(temp[0]);
+ }
+ else {
+ /* four channels */
+ texelOut[0] = CHAN_TO_FLOAT(temp[0]);
+ texelOut[1] = CHAN_TO_FLOAT(temp[1]);
+ texelOut[2] = CHAN_TO_FLOAT(temp[2]);
+ texelOut[3] = CHAN_TO_FLOAT(temp[3]);
+ }
+}
+#endif
+
+
+/**
+ * Initialize the texture image's FetchTexelc and FetchTexelf methods.
+ */
+void
+_mesa_set_fetch_functions(struct gl_texture_image *texImage, GLuint dims)
+{
+ gl_format format = texImage->TexFormat;
+
+ ASSERT(dims == 1 || dims == 2 || dims == 3);
+
+ if (texImage->TexObject->sRGBDecode == GL_SKIP_DECODE_EXT &&
+ _mesa_get_format_color_encoding(format) == GL_SRGB) {
+ format = _mesa_get_srgb_format_linear(format);
+ }
+
+ texImage->FetchTexelf = _mesa_get_texel_fetch_func(format, dims);
+
+ texImage->FetchTexelc = fetch_texel_float_to_chan;
+
+ ASSERT(texImage->FetchTexelc);
+ ASSERT(texImage->FetchTexelf);
+}
+
+void
+_mesa_update_fetch_functions(struct gl_texture_object *texObj)
+{
+ GLuint face, i;
+ GLuint dims;
+
+ dims = _mesa_get_texture_dimensions(texObj->Target);
+
+ for (face = 0; face < 6; face++) {
+ for (i = 0; i < MAX_TEXTURE_LEVELS; i++) {
+ if (texObj->Image[face][i]) {
+ _mesa_set_fetch_functions(texObj->Image[face][i], dims);
+ }
+ }
+ }
+}
diff --git a/mesalib/src/mesa/main/texformat.c b/mesalib/src/mesa/main/texformat.c
index 5eabf2aa5..80518200b 100644
--- a/mesalib/src/mesa/main/texformat.c
+++ b/mesalib/src/mesa/main/texformat.c
@@ -1,656 +1,656 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.7
- *
- * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
- * Copyright (c) 2008-2009 VMware, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-/**
- * \file texformat.c
- * Texture formats.
- *
- * \author Gareth Hughes
- * \author Brian Paul
- */
-
-
-#include "context.h"
-#include "mfeatures.h"
-#include "mtypes.h"
-#include "texcompress.h"
-#include "texformat.h"
-
-#define RETURN_IF_SUPPORTED(f) do { \
- if (ctx->TextureFormatSupported[f]) \
- return f; \
-} while (0)
-
-/**
- * Choose an appropriate texture format given the format, type and
- * internalFormat parameters passed to glTexImage().
- *
- * \param ctx the GL context.
- * \param internalFormat user's prefered internal texture format.
- * \param format incoming image pixel format.
- * \param type incoming image data type.
- *
- * \return a pointer to a gl_texture_format object which describes the
- * choosen texture format, or NULL on failure.
- *
- * This is called via dd_function_table::ChooseTextureFormat. Hardware drivers
- * will typically override this function with a specialized version.
- */
-gl_format
-_mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
- GLenum format, GLenum type )
-{
- (void) format;
- (void) type;
-
- switch (internalFormat) {
- /* shallow RGBA formats */
- case 4:
- case GL_RGBA:
- if (type == GL_UNSIGNED_SHORT_4_4_4_4_REV) {
- RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444);
- } else if (type == GL_UNSIGNED_SHORT_1_5_5_5_REV) {
- RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB1555);
- }
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888);
- RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
- break;
-
- case GL_RGBA8:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888);
- RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
- break;
- case GL_RGB5_A1:
- RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB1555);
- break;
- case GL_RGBA2:
- RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444_REV); /* just to test another format*/
- RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444);
- break;
- case GL_RGBA4:
- RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444);
- break;
-
- /* deep RGBA formats */
- case GL_RGB10_A2:
- RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB2101010);
- RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
- break;
- case GL_RGBA12:
- case GL_RGBA16:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888);
- RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
- break;
-
- /* shallow RGB formats */
- case 3:
- case GL_RGB:
- case GL_RGB8:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGB888);
- RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888);
- RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
- break;
- case GL_R3_G3_B2:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGB332);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGB888);
- RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888);
- RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
- break;
- case GL_RGB4:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565_REV); /* just to test another format */
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565);
- break;
- case GL_RGB5:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565);
- break;
-
- /* deep RGB formats */
- case GL_RGB10:
- case GL_RGB12:
- case GL_RGB16:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888);
- RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
- break;
-
- /* Alpha formats */
- case GL_ALPHA:
- case GL_ALPHA4:
- case GL_ALPHA8:
- RETURN_IF_SUPPORTED(MESA_FORMAT_A8);
- break;
-
- case GL_ALPHA12:
- case GL_ALPHA16:
- RETURN_IF_SUPPORTED(MESA_FORMAT_A16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_A8);
- break;
-
- /* Luminance formats */
- case 1:
- case GL_LUMINANCE:
- case GL_LUMINANCE4:
- case GL_LUMINANCE8:
- RETURN_IF_SUPPORTED(MESA_FORMAT_L8);
- break;
-
- case GL_LUMINANCE12:
- case GL_LUMINANCE16:
- RETURN_IF_SUPPORTED(MESA_FORMAT_L16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_L8);
- break;
-
- /* Luminance/Alpha formats */
- case GL_LUMINANCE4_ALPHA4:
- RETURN_IF_SUPPORTED(MESA_FORMAT_AL44);
- RETURN_IF_SUPPORTED(MESA_FORMAT_AL88);
- break;
-
- case 2:
- case GL_LUMINANCE_ALPHA:
- case GL_LUMINANCE6_ALPHA2:
- case GL_LUMINANCE8_ALPHA8:
- RETURN_IF_SUPPORTED(MESA_FORMAT_AL88);
- break;
-
- case GL_LUMINANCE12_ALPHA4:
- case GL_LUMINANCE12_ALPHA12:
- case GL_LUMINANCE16_ALPHA16:
- RETURN_IF_SUPPORTED(MESA_FORMAT_AL1616);
- RETURN_IF_SUPPORTED(MESA_FORMAT_AL88);
- break;
-
- case GL_INTENSITY:
- case GL_INTENSITY4:
- case GL_INTENSITY8:
- RETURN_IF_SUPPORTED(MESA_FORMAT_I8);
- break;
-
- case GL_INTENSITY12:
- case GL_INTENSITY16:
- RETURN_IF_SUPPORTED(MESA_FORMAT_I16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_I8);
- break;
-
- case GL_COLOR_INDEX:
- case GL_COLOR_INDEX1_EXT:
- case GL_COLOR_INDEX2_EXT:
- case GL_COLOR_INDEX4_EXT:
- case GL_COLOR_INDEX12_EXT:
- case GL_COLOR_INDEX16_EXT:
- case GL_COLOR_INDEX8_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_CI8);
- break;
-
- default:
- ; /* fallthrough */
- }
-
- if (ctx->Extensions.ARB_depth_texture) {
- switch (internalFormat) {
- case GL_DEPTH_COMPONENT:
- case GL_DEPTH_COMPONENT24:
- case GL_DEPTH_COMPONENT32:
- RETURN_IF_SUPPORTED(MESA_FORMAT_Z32);
- RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24);
- break;
- case GL_DEPTH_COMPONENT16:
- RETURN_IF_SUPPORTED(MESA_FORMAT_Z16);
- RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24);
- default:
- ; /* fallthrough */
- }
- }
-
- switch (internalFormat) {
- case GL_COMPRESSED_ALPHA_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_A8);
- break;
- case GL_COMPRESSED_LUMINANCE_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_L8);
- break;
- case GL_COMPRESSED_LUMINANCE_ALPHA_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_AL88);
- break;
- case GL_COMPRESSED_INTENSITY_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_I8);
- break;
- case GL_COMPRESSED_RGB_ARB:
- if (ctx->Extensions.EXT_texture_compression_s3tc ||
- ctx->Extensions.S3_s3tc)
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1);
- if (ctx->Extensions.TDFX_texture_compression_FXT1)
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FXT1);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGB888);
- RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888);
- RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
- break;
- case GL_COMPRESSED_RGBA_ARB:
- if (ctx->Extensions.EXT_texture_compression_s3tc ||
- ctx->Extensions.S3_s3tc)
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3); /* Not rgba_dxt1, see spec */
- if (ctx->Extensions.TDFX_texture_compression_FXT1)
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FXT1);
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888);
- RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
- break;
- default:
- ; /* fallthrough */
- }
-
- if (ctx->Extensions.MESA_ycbcr_texture) {
- if (internalFormat == GL_YCBCR_MESA) {
- if (type == GL_UNSIGNED_SHORT_8_8_MESA)
- RETURN_IF_SUPPORTED(MESA_FORMAT_YCBCR);
- else
- RETURN_IF_SUPPORTED(MESA_FORMAT_YCBCR_REV);
- }
- }
-
-#if FEATURE_texture_fxt1
- if (ctx->Extensions.TDFX_texture_compression_FXT1) {
- switch (internalFormat) {
- case GL_COMPRESSED_RGB_FXT1_3DFX:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FXT1);
- break;
- case GL_COMPRESSED_RGBA_FXT1_3DFX:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FXT1);
- break;
- default:
- ; /* fallthrough */
- }
- }
-#endif
-
-#if FEATURE_texture_s3tc
- if (ctx->Extensions.EXT_texture_compression_s3tc) {
- switch (internalFormat) {
- case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1);
- break;
- case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT1);
- break;
- case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3);
- break;
- case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT5);
- break;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.S3_s3tc) {
- switch (internalFormat) {
- case GL_RGB_S3TC:
- case GL_RGB4_S3TC:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1);
- break;
- case GL_RGBA_S3TC:
- case GL_RGBA4_S3TC:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3);
- break;
- default:
- ; /* fallthrough */
- }
- }
-#endif
-
- if (ctx->Extensions.ARB_texture_float) {
- switch (internalFormat) {
- case GL_ALPHA16F_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT16);
- break;
- case GL_ALPHA32F_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT32);
- break;
- case GL_LUMINANCE16F_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT16);
- break;
- case GL_LUMINANCE32F_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT32);
- break;
- case GL_LUMINANCE_ALPHA16F_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16);
- break;
- case GL_LUMINANCE_ALPHA32F_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32);
- break;
- case GL_INTENSITY16F_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT16);
- break;
- case GL_INTENSITY32F_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT32);
- break;
- case GL_RGB16F_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT16);
- break;
- case GL_RGB32F_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT32);
- break;
- case GL_RGBA16F_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
- break;
- case GL_RGBA32F_ARB:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
- break;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.EXT_packed_depth_stencil) {
- switch (internalFormat) {
- case GL_DEPTH_STENCIL_EXT:
- case GL_DEPTH24_STENCIL8_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_S8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24);
- break;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.ATI_envmap_bumpmap) {
- switch (internalFormat) {
- case GL_DUDV_ATI:
- case GL_DU8DV8_ATI:
- RETURN_IF_SUPPORTED(MESA_FORMAT_DUDV8);
- break;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.MESA_texture_signed_rgba) {
- switch (internalFormat) {
- case GL_RGBA_SNORM:
- case GL_RGBA8_SNORM:
- RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888);
- RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV);
- break;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->VersionMajor * 10 + ctx->VersionMinor >= 31) {
- switch (internalFormat) {
- case GL_RED_SNORM:
- case GL_R8_SNORM:
- RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_R8);
- break;
- case GL_RG_SNORM:
- case GL_RG8_SNORM:
- RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RG88);
- break;
- case GL_RGB_SNORM:
- case GL_RGB8_SNORM:
- RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBX8888);
- break;
- case GL_RGBA_SNORM:
- case GL_RGBA8_SNORM:
- RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888);
- break;
- case GL_R16_SNORM:
- RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_R_16);
- break;
- case GL_RG16_SNORM:
- RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RG_16);
- break;
- case GL_RGB16_SNORM:
- RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGB_16);
- break;
- case GL_RGBA16_SNORM:
- RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA_16);
- break;
- default:
- ; /* fall-through */
- }
- }
-
-#if FEATURE_EXT_texture_sRGB
- if (ctx->Extensions.EXT_texture_sRGB) {
- switch (internalFormat) {
- case GL_SRGB_EXT:
- case GL_SRGB8_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
- break;
- case GL_SRGB_ALPHA_EXT:
- case GL_SRGB8_ALPHA8_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
- break;
- case GL_SLUMINANCE_EXT:
- case GL_SLUMINANCE8_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_SL8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
- break;
- case GL_SLUMINANCE_ALPHA_EXT:
- case GL_SLUMINANCE8_ALPHA8_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_SLA8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
- break;
- case GL_COMPRESSED_SLUMINANCE_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_SL8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
- break;
- case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_SLA8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
- break;
- case GL_COMPRESSED_SRGB_EXT:
-#if FEATURE_texture_s3tc
- if (ctx->Extensions.EXT_texture_compression_s3tc)
- RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB_DXT1);
-#endif
- RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
- break;
- case GL_COMPRESSED_SRGB_ALPHA_EXT:
-#if FEATURE_texture_s3tc
- if (ctx->Extensions.EXT_texture_compression_s3tc)
- RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT3); /* Not srgba_dxt1, see spec */
-#endif
- RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA8);
- RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
- break;
-#if FEATURE_texture_s3tc
- case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
- if (ctx->Extensions.EXT_texture_compression_s3tc)
- RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB_DXT1);
- RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
- break;
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
- if (ctx->Extensions.EXT_texture_compression_s3tc)
- RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT1);
- RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
- break;
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
- if (ctx->Extensions.EXT_texture_compression_s3tc)
- RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT3);
- RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
- break;
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
- if (ctx->Extensions.EXT_texture_compression_s3tc)
- RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT5);
- RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
- break;
-#endif
- default:
- ; /* fallthrough */
- }
- }
-#endif /* FEATURE_EXT_texture_sRGB */
-
- if (ctx->Extensions.EXT_texture_integer) {
- switch (internalFormat) {
- case GL_RGBA32UI_EXT:
- case GL_RGB32UI_EXT:
- case GL_ALPHA32UI_EXT:
- case GL_INTENSITY32UI_EXT:
- case GL_LUMINANCE32UI_EXT:
- case GL_LUMINANCE_ALPHA32UI_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
- break;
- case GL_RGBA16UI_EXT:
- case GL_RGB16UI_EXT:
- case GL_ALPHA16UI_EXT:
- case GL_INTENSITY16UI_EXT:
- case GL_LUMINANCE16UI_EXT:
- case GL_LUMINANCE_ALPHA16UI_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
- break;
- case GL_RGBA8UI_EXT:
- case GL_RGB8UI_EXT:
- case GL_ALPHA8UI_EXT:
- case GL_INTENSITY8UI_EXT:
- case GL_LUMINANCE8UI_EXT:
- case GL_LUMINANCE_ALPHA8UI_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
- break;
- case GL_RGBA32I_EXT:
- case GL_RGB32I_EXT:
- case GL_ALPHA32I_EXT:
- case GL_INTENSITY32I_EXT:
- case GL_LUMINANCE32I_EXT:
- case GL_LUMINANCE_ALPHA32I_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32);
- break;
- case GL_RGBA16I_EXT:
- case GL_RGB16I_EXT:
- case GL_ALPHA16I_EXT:
- case GL_INTENSITY16I_EXT:
- case GL_LUMINANCE16I_EXT:
- case GL_LUMINANCE_ALPHA16I_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16);
- break;
- case GL_RGBA8I_EXT:
- case GL_RGB8I_EXT:
- case GL_ALPHA8I_EXT:
- case GL_INTENSITY8I_EXT:
- case GL_LUMINANCE8I_EXT:
- case GL_LUMINANCE_ALPHA8I_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8);
- break;
- }
- }
-
- if (ctx->Extensions.ARB_texture_rg) {
- switch (internalFormat) {
- case GL_R8:
- case GL_RED:
- case GL_COMPRESSED_RED:
- RETURN_IF_SUPPORTED(MESA_FORMAT_R8);
- break;
-
- case GL_R16:
- RETURN_IF_SUPPORTED(MESA_FORMAT_R16);
- break;
-
- case GL_RG:
- case GL_RG8:
- case GL_COMPRESSED_RG:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RG88);
- break;
-
- case GL_RG16:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RG1616);
- break;
-
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.EXT_texture_format_BGRA8888) {
- switch (internalFormat) {
- case GL_BGRA:
- RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
- break;
-
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.ARB_texture_compression_rgtc) {
- switch (internalFormat) {
- case GL_COMPRESSED_RED_RGTC1:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RED_RGTC1);
- break;
- case GL_COMPRESSED_SIGNED_RED_RGTC1:
- RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RED_RGTC1);
- break;
- case GL_COMPRESSED_RG_RGTC2:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RG_RGTC2);
- break;
- case GL_COMPRESSED_SIGNED_RG_RGTC2:
- RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RG_RGTC2);
- break;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.EXT_texture_compression_latc) {
- switch (internalFormat) {
- case GL_COMPRESSED_LUMINANCE_LATC1_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_L_LATC1);
- break;
- case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_L_LATC1);
- break;
- case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_LA_LATC2);
- break;
- case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT:
- RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_LA_LATC2);
- break;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.ATI_texture_compression_3dc) {
- switch (internalFormat) {
- case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI:
- RETURN_IF_SUPPORTED(MESA_FORMAT_LA_LATC2);
- break;
- default:
- ; /* fallthrough */
- }
- }
-
- _mesa_problem(ctx, "unexpected format in _mesa_choose_tex_format()");
- return MESA_FORMAT_NONE;
-}
-
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.7
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (c) 2008-2009 VMware, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/**
+ * \file texformat.c
+ * Texture formats.
+ *
+ * \author Gareth Hughes
+ * \author Brian Paul
+ */
+
+
+#include "context.h"
+#include "mfeatures.h"
+#include "mtypes.h"
+#include "texcompress.h"
+#include "texformat.h"
+
+#define RETURN_IF_SUPPORTED(f) do { \
+ if (ctx->TextureFormatSupported[f]) \
+ return f; \
+} while (0)
+
+/**
+ * Choose an appropriate texture format given the format, type and
+ * internalFormat parameters passed to glTexImage().
+ *
+ * \param ctx the GL context.
+ * \param internalFormat user's prefered internal texture format.
+ * \param format incoming image pixel format.
+ * \param type incoming image data type.
+ *
+ * \return a pointer to a gl_texture_format object which describes the
+ * choosen texture format, or NULL on failure.
+ *
+ * This is called via dd_function_table::ChooseTextureFormat. Hardware drivers
+ * will typically override this function with a specialized version.
+ */
+gl_format
+_mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
+ GLenum format, GLenum type )
+{
+ (void) format;
+ (void) type;
+
+ switch (internalFormat) {
+ /* shallow RGBA formats */
+ case 4:
+ case GL_RGBA:
+ if (type == GL_UNSIGNED_SHORT_4_4_4_4_REV) {
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444);
+ } else if (type == GL_UNSIGNED_SHORT_1_5_5_5_REV) {
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB1555);
+ }
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
+ break;
+
+ case GL_RGBA8:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
+ break;
+ case GL_RGB5_A1:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB1555);
+ break;
+ case GL_RGBA2:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444_REV); /* just to test another format*/
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444);
+ break;
+ case GL_RGBA4:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB4444);
+ break;
+
+ /* deep RGBA formats */
+ case GL_RGB10_A2:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB2101010);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
+ break;
+ case GL_RGBA12:
+ case GL_RGBA16:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_16);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_16);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
+ break;
+
+ /* shallow RGB formats */
+ case 3:
+ case GL_RGB:
+ case GL_RGB8:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB888);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
+ break;
+ case GL_R3_G3_B2:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB332);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB888);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
+ break;
+ case GL_RGB4:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565_REV); /* just to test another format */
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565);
+ break;
+ case GL_RGB5:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB565);
+ break;
+
+ /* deep RGB formats */
+ case GL_RGB10:
+ case GL_RGB12:
+ case GL_RGB16:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_16);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
+ break;
+
+ /* Alpha formats */
+ case GL_ALPHA:
+ case GL_ALPHA4:
+ case GL_ALPHA8:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_A8);
+ break;
+
+ case GL_ALPHA12:
+ case GL_ALPHA16:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_A16);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_A8);
+ break;
+
+ /* Luminance formats */
+ case 1:
+ case GL_LUMINANCE:
+ case GL_LUMINANCE4:
+ case GL_LUMINANCE8:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_L8);
+ break;
+
+ case GL_LUMINANCE12:
+ case GL_LUMINANCE16:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_L16);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_L8);
+ break;
+
+ /* Luminance/Alpha formats */
+ case GL_LUMINANCE4_ALPHA4:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_AL44);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_AL88);
+ break;
+
+ case 2:
+ case GL_LUMINANCE_ALPHA:
+ case GL_LUMINANCE6_ALPHA2:
+ case GL_LUMINANCE8_ALPHA8:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_AL88);
+ break;
+
+ case GL_LUMINANCE12_ALPHA4:
+ case GL_LUMINANCE12_ALPHA12:
+ case GL_LUMINANCE16_ALPHA16:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_AL1616);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_AL88);
+ break;
+
+ case GL_INTENSITY:
+ case GL_INTENSITY4:
+ case GL_INTENSITY8:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_I8);
+ break;
+
+ case GL_INTENSITY12:
+ case GL_INTENSITY16:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_I16);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_I8);
+ break;
+
+ case GL_COLOR_INDEX:
+ case GL_COLOR_INDEX1_EXT:
+ case GL_COLOR_INDEX2_EXT:
+ case GL_COLOR_INDEX4_EXT:
+ case GL_COLOR_INDEX12_EXT:
+ case GL_COLOR_INDEX16_EXT:
+ case GL_COLOR_INDEX8_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_CI8);
+ break;
+
+ default:
+ ; /* fallthrough */
+ }
+
+ if (ctx->Extensions.ARB_depth_texture) {
+ switch (internalFormat) {
+ case GL_DEPTH_COMPONENT:
+ case GL_DEPTH_COMPONENT24:
+ case GL_DEPTH_COMPONENT32:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_Z32);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24);
+ break;
+ case GL_DEPTH_COMPONENT16:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_Z16);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24);
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ switch (internalFormat) {
+ case GL_COMPRESSED_ALPHA_ARB:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_A8);
+ break;
+ case GL_COMPRESSED_LUMINANCE_ARB:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_L8);
+ break;
+ case GL_COMPRESSED_LUMINANCE_ALPHA_ARB:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_AL88);
+ break;
+ case GL_COMPRESSED_INTENSITY_ARB:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_I8);
+ break;
+ case GL_COMPRESSED_RGB_ARB:
+ if (ctx->Extensions.EXT_texture_compression_s3tc ||
+ ctx->Extensions.S3_s3tc)
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1);
+ if (ctx->Extensions.TDFX_texture_compression_FXT1)
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FXT1);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB888);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_XRGB8888);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
+ break;
+ case GL_COMPRESSED_RGBA_ARB:
+ if (ctx->Extensions.EXT_texture_compression_s3tc ||
+ ctx->Extensions.S3_s3tc)
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3); /* Not rgba_dxt1, see spec */
+ if (ctx->Extensions.TDFX_texture_compression_FXT1)
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FXT1);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA8888);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
+ break;
+ default:
+ ; /* fallthrough */
+ }
+
+ if (ctx->Extensions.MESA_ycbcr_texture) {
+ if (internalFormat == GL_YCBCR_MESA) {
+ if (type == GL_UNSIGNED_SHORT_8_8_MESA)
+ RETURN_IF_SUPPORTED(MESA_FORMAT_YCBCR);
+ else
+ RETURN_IF_SUPPORTED(MESA_FORMAT_YCBCR_REV);
+ }
+ }
+
+#if FEATURE_texture_fxt1
+ if (ctx->Extensions.TDFX_texture_compression_FXT1) {
+ switch (internalFormat) {
+ case GL_COMPRESSED_RGB_FXT1_3DFX:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FXT1);
+ break;
+ case GL_COMPRESSED_RGBA_FXT1_3DFX:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FXT1);
+ break;
+ default:
+ ; /* fallthrough */
+ }
+ }
+#endif
+
+#if FEATURE_texture_s3tc
+ if (ctx->Extensions.EXT_texture_compression_s3tc) {
+ switch (internalFormat) {
+ case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1);
+ break;
+ case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT1);
+ break;
+ case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3);
+ break;
+ case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT5);
+ break;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (ctx->Extensions.S3_s3tc) {
+ switch (internalFormat) {
+ case GL_RGB_S3TC:
+ case GL_RGB4_S3TC:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_DXT1);
+ break;
+ case GL_RGBA_S3TC:
+ case GL_RGBA4_S3TC:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_DXT3);
+ break;
+ default:
+ ; /* fallthrough */
+ }
+ }
+#endif
+
+ if (ctx->Extensions.ARB_texture_float) {
+ switch (internalFormat) {
+ case GL_ALPHA16F_ARB:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT16);
+ break;
+ case GL_ALPHA32F_ARB:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ALPHA_FLOAT32);
+ break;
+ case GL_LUMINANCE16F_ARB:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT16);
+ break;
+ case GL_LUMINANCE32F_ARB:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_FLOAT32);
+ break;
+ case GL_LUMINANCE_ALPHA16F_ARB:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16);
+ break;
+ case GL_LUMINANCE_ALPHA32F_ARB:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32);
+ break;
+ case GL_INTENSITY16F_ARB:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT16);
+ break;
+ case GL_INTENSITY32F_ARB:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_INTENSITY_FLOAT32);
+ break;
+ case GL_RGB16F_ARB:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT16);
+ break;
+ case GL_RGB32F_ARB:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGB_FLOAT32);
+ break;
+ case GL_RGBA16F_ARB:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT16);
+ break;
+ case GL_RGBA32F_ARB:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_FLOAT32);
+ break;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (ctx->Extensions.EXT_packed_depth_stencil) {
+ switch (internalFormat) {
+ case GL_DEPTH_STENCIL_EXT:
+ case GL_DEPTH24_STENCIL8_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_Z24_S8);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_S8_Z24);
+ break;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (ctx->Extensions.ATI_envmap_bumpmap) {
+ switch (internalFormat) {
+ case GL_DUDV_ATI:
+ case GL_DU8DV8_ATI:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_DUDV8);
+ break;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (ctx->Extensions.MESA_texture_signed_rgba) {
+ switch (internalFormat) {
+ case GL_RGBA_SNORM:
+ case GL_RGBA8_SNORM:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888_REV);
+ break;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (ctx->VersionMajor * 10 + ctx->VersionMinor >= 31) {
+ switch (internalFormat) {
+ case GL_RED_SNORM:
+ case GL_R8_SNORM:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_R8);
+ break;
+ case GL_RG_SNORM:
+ case GL_RG8_SNORM:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RG88);
+ break;
+ case GL_RGB_SNORM:
+ case GL_RGB8_SNORM:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBX8888);
+ break;
+ case GL_RGBA_SNORM:
+ case GL_RGBA8_SNORM:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA8888);
+ break;
+ case GL_R16_SNORM:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_R_16);
+ break;
+ case GL_RG16_SNORM:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RG_16);
+ break;
+ case GL_RGB16_SNORM:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGB_16);
+ break;
+ case GL_RGBA16_SNORM:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RGBA_16);
+ break;
+ default:
+ ; /* fall-through */
+ }
+ }
+
+#if FEATURE_EXT_texture_sRGB
+ if (ctx->Extensions.EXT_texture_sRGB) {
+ switch (internalFormat) {
+ case GL_SRGB_EXT:
+ case GL_SRGB8_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB8);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
+ break;
+ case GL_SRGB_ALPHA_EXT:
+ case GL_SRGB8_ALPHA8_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA8);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
+ break;
+ case GL_SLUMINANCE_EXT:
+ case GL_SLUMINANCE8_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SL8);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
+ break;
+ case GL_SLUMINANCE_ALPHA_EXT:
+ case GL_SLUMINANCE8_ALPHA8_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SLA8);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
+ break;
+ case GL_COMPRESSED_SLUMINANCE_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SL8);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
+ break;
+ case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SLA8);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
+ break;
+ case GL_COMPRESSED_SRGB_EXT:
+#if FEATURE_texture_s3tc
+ if (ctx->Extensions.EXT_texture_compression_s3tc)
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB_DXT1);
+#endif
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB8);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
+ break;
+ case GL_COMPRESSED_SRGB_ALPHA_EXT:
+#if FEATURE_texture_s3tc
+ if (ctx->Extensions.EXT_texture_compression_s3tc)
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT3); /* Not srgba_dxt1, see spec */
+#endif
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA8);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
+ break;
+#if FEATURE_texture_s3tc
+ case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
+ if (ctx->Extensions.EXT_texture_compression_s3tc)
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SRGB_DXT1);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
+ break;
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
+ if (ctx->Extensions.EXT_texture_compression_s3tc)
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT1);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
+ break;
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
+ if (ctx->Extensions.EXT_texture_compression_s3tc)
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT3);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
+ break;
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
+ if (ctx->Extensions.EXT_texture_compression_s3tc)
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SRGBA_DXT5);
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SARGB8);
+ break;
+#endif
+ default:
+ ; /* fallthrough */
+ }
+ }
+#endif /* FEATURE_EXT_texture_sRGB */
+
+ if (ctx->Extensions.EXT_texture_integer) {
+ switch (internalFormat) {
+ case GL_RGBA32UI_EXT:
+ case GL_RGB32UI_EXT:
+ case GL_ALPHA32UI_EXT:
+ case GL_INTENSITY32UI_EXT:
+ case GL_LUMINANCE32UI_EXT:
+ case GL_LUMINANCE_ALPHA32UI_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT32);
+ break;
+ case GL_RGBA16UI_EXT:
+ case GL_RGB16UI_EXT:
+ case GL_ALPHA16UI_EXT:
+ case GL_INTENSITY16UI_EXT:
+ case GL_LUMINANCE16UI_EXT:
+ case GL_LUMINANCE_ALPHA16UI_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT16);
+ break;
+ case GL_RGBA8UI_EXT:
+ case GL_RGB8UI_EXT:
+ case GL_ALPHA8UI_EXT:
+ case GL_INTENSITY8UI_EXT:
+ case GL_LUMINANCE8UI_EXT:
+ case GL_LUMINANCE_ALPHA8UI_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_UINT8);
+ break;
+ case GL_RGBA32I_EXT:
+ case GL_RGB32I_EXT:
+ case GL_ALPHA32I_EXT:
+ case GL_INTENSITY32I_EXT:
+ case GL_LUMINANCE32I_EXT:
+ case GL_LUMINANCE_ALPHA32I_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT32);
+ break;
+ case GL_RGBA16I_EXT:
+ case GL_RGB16I_EXT:
+ case GL_ALPHA16I_EXT:
+ case GL_INTENSITY16I_EXT:
+ case GL_LUMINANCE16I_EXT:
+ case GL_LUMINANCE_ALPHA16I_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT16);
+ break;
+ case GL_RGBA8I_EXT:
+ case GL_RGB8I_EXT:
+ case GL_ALPHA8I_EXT:
+ case GL_INTENSITY8I_EXT:
+ case GL_LUMINANCE8I_EXT:
+ case GL_LUMINANCE_ALPHA8I_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RGBA_INT8);
+ break;
+ }
+ }
+
+ if (ctx->Extensions.ARB_texture_rg) {
+ switch (internalFormat) {
+ case GL_R8:
+ case GL_RED:
+ case GL_COMPRESSED_RED:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_R8);
+ break;
+
+ case GL_R16:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_R16);
+ break;
+
+ case GL_RG:
+ case GL_RG8:
+ case GL_COMPRESSED_RG:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RG88);
+ break;
+
+ case GL_RG16:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RG1616);
+ break;
+
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (ctx->Extensions.EXT_texture_format_BGRA8888) {
+ switch (internalFormat) {
+ case GL_BGRA:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);
+ break;
+
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (ctx->Extensions.ARB_texture_compression_rgtc) {
+ switch (internalFormat) {
+ case GL_COMPRESSED_RED_RGTC1:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RED_RGTC1);
+ break;
+ case GL_COMPRESSED_SIGNED_RED_RGTC1:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RED_RGTC1);
+ break;
+ case GL_COMPRESSED_RG_RGTC2:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_RG_RGTC2);
+ break;
+ case GL_COMPRESSED_SIGNED_RG_RGTC2:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_RG_RGTC2);
+ break;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (ctx->Extensions.EXT_texture_compression_latc) {
+ switch (internalFormat) {
+ case GL_COMPRESSED_LUMINANCE_LATC1_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_L_LATC1);
+ break;
+ case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_L_LATC1);
+ break;
+ case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_LA_LATC2);
+ break;
+ case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_SIGNED_LA_LATC2);
+ break;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (ctx->Extensions.ATI_texture_compression_3dc) {
+ switch (internalFormat) {
+ case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI:
+ RETURN_IF_SUPPORTED(MESA_FORMAT_LA_LATC2);
+ break;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ _mesa_problem(ctx, "unexpected format in _mesa_choose_tex_format()");
+ return MESA_FORMAT_NONE;
+}
+
diff --git a/mesalib/src/mesa/main/texgetimage.c b/mesalib/src/mesa/main/texgetimage.c
index 21d9140c5..fe5ac0a89 100644
--- a/mesalib/src/mesa/main/texgetimage.c
+++ b/mesalib/src/mesa/main/texgetimage.c
@@ -1,918 +1,918 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.7
- *
- * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
- * Copyright (c) 2009 VMware, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-/**
- * Code for glGetTexImage() and glGetCompressedTexImage().
- */
-
-
-#include "glheader.h"
-#include "bufferobj.h"
-#include "enums.h"
-#include "context.h"
-#include "formats.h"
-#include "image.h"
-#include "mfeatures.h"
-#include "mtypes.h"
-#include "pack.h"
-#include "pbo.h"
-#include "texgetimage.h"
-#include "teximage.h"
-
-
-
-/**
- * Can the given type represent negative values?
- */
-static INLINE GLboolean
-type_with_negative_values(GLenum type)
-{
- switch (type) {
- case GL_BYTE:
- case GL_SHORT:
- case GL_INT:
- case GL_FLOAT:
- case GL_HALF_FLOAT_ARB:
- return GL_TRUE;
- default:
- return GL_FALSE;
- }
-}
-
-
-/**
- * glGetTexImage for color index pixels.
- */
-static void
-get_tex_color_index(struct gl_context *ctx, GLuint dimensions,
- GLenum format, GLenum type, GLvoid *pixels,
- const struct gl_texture_image *texImage)
-{
- const GLint width = texImage->Width;
- const GLint height = texImage->Height;
- const GLint depth = texImage->Depth;
- const GLuint indexBits =
- _mesa_get_format_bits(texImage->TexFormat, GL_TEXTURE_INDEX_SIZE_EXT);
- const GLbitfield transferOps = 0x0;
- GLint img, row, col;
-
- for (img = 0; img < depth; img++) {
- for (row = 0; row < height; row++) {
- GLuint indexRow[MAX_WIDTH] = { 0 };
- void *dest = _mesa_image_address(dimensions, &ctx->Pack, pixels,
- width, height, format, type,
- img, row, 0);
- assert(dest);
-
- if (indexBits == 8) {
- const GLubyte *src = (const GLubyte *) texImage->Data;
- src += width * (img * texImage->Height + row);
- for (col = 0; col < width; col++) {
- indexRow[col] = src[col];
- }
- }
- else if (indexBits == 16) {
- const GLushort *src = (const GLushort *) texImage->Data;
- src += width * (img * texImage->Height + row);
- for (col = 0; col < width; col++) {
- indexRow[col] = src[col];
- }
- }
- else {
- _mesa_problem(ctx, "Color index problem in _mesa_GetTexImage");
- }
- _mesa_pack_index_span(ctx, width, type, dest,
- indexRow, &ctx->Pack, transferOps);
- }
- }
-}
-
-
-/**
- * glGetTexImage for depth/Z pixels.
- */
-static void
-get_tex_depth(struct gl_context *ctx, GLuint dimensions,
- GLenum format, GLenum type, GLvoid *pixels,
- const struct gl_texture_image *texImage)
-{
- const GLint width = texImage->Width;
- const GLint height = texImage->Height;
- const GLint depth = texImage->Depth;
- GLint img, row, col;
- GLfloat *depthRow = (GLfloat *) malloc(width * sizeof(GLfloat));
-
- if (!depthRow) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage");
- return;
- }
-
- for (img = 0; img < depth; img++) {
- for (row = 0; row < height; row++) {
- void *dest = _mesa_image_address(dimensions, &ctx->Pack, pixels,
- width, height, format, type,
- img, row, 0);
- assert(dest);
-
- for (col = 0; col < width; col++) {
- texImage->FetchTexelf(texImage, col, row, img, depthRow + col);
- }
- _mesa_pack_depth_span(ctx, width, dest, type, depthRow, &ctx->Pack);
- }
- }
-
- free(depthRow);
-}
-
-
-/**
- * glGetTexImage for depth/stencil pixels.
- */
-static void
-get_tex_depth_stencil(struct gl_context *ctx, GLuint dimensions,
- GLenum format, GLenum type, GLvoid *pixels,
- const struct gl_texture_image *texImage)
-{
- const GLint width = texImage->Width;
- const GLint height = texImage->Height;
- const GLint depth = texImage->Depth;
- const GLuint *src = (const GLuint *) texImage->Data;
- GLint img, row;
-
- for (img = 0; img < depth; img++) {
- for (row = 0; row < height; row++) {
- void *dest = _mesa_image_address(dimensions, &ctx->Pack, pixels,
- width, height, format, type,
- img, row, 0);
- memcpy(dest, src, width * sizeof(GLuint));
- if (ctx->Pack.SwapBytes) {
- _mesa_swap4((GLuint *) dest, width);
- }
-
- src += width * row + width * height * img;
- }
- }
-}
-
-
-/**
- * glGetTexImage for YCbCr pixels.
- */
-static void
-get_tex_ycbcr(struct gl_context *ctx, GLuint dimensions,
- GLenum format, GLenum type, GLvoid *pixels,
- const struct gl_texture_image *texImage)
-{
- const GLint width = texImage->Width;
- const GLint height = texImage->Height;
- const GLint depth = texImage->Depth;
- const GLint rowstride = texImage->RowStride;
- const GLushort *src = (const GLushort *) texImage->Data;
- GLint img, row;
-
- for (img = 0; img < depth; img++) {
- for (row = 0; row < height; row++) {
- void *dest = _mesa_image_address(dimensions, &ctx->Pack, pixels,
- width, height, format, type,
- img, row, 0);
- memcpy(dest, src, width * sizeof(GLushort));
-
- /* check for byte swapping */
- if ((texImage->TexFormat == MESA_FORMAT_YCBCR
- && type == GL_UNSIGNED_SHORT_8_8_REV_MESA) ||
- (texImage->TexFormat == MESA_FORMAT_YCBCR_REV
- && type == GL_UNSIGNED_SHORT_8_8_MESA)) {
- if (!ctx->Pack.SwapBytes)
- _mesa_swap2((GLushort *) dest, width);
- }
- else if (ctx->Pack.SwapBytes) {
- _mesa_swap2((GLushort *) dest, width);
- }
-
- src += rowstride;
- }
- }
-}
-
-
-#if FEATURE_EXT_texture_sRGB
-
-
-/**
- * Convert a float value from linear space to a
- * non-linear sRGB value in [0, 255].
- * Not terribly efficient.
- */
-static INLINE GLfloat
-linear_to_nonlinear(GLfloat cl)
-{
- /* can't have values outside [0, 1] */
- GLfloat cs;
- if (cl < 0.0031308f) {
- cs = 12.92f * cl;
- }
- else {
- cs = (GLfloat)(1.055 * pow(cl, 0.41666) - 0.055);
- }
- return cs;
-}
-
-
-/**
- * glGetTexImagefor sRGB pixels;
- */
-static void
-get_tex_srgb(struct gl_context *ctx, GLuint dimensions,
- GLenum format, GLenum type, GLvoid *pixels,
- const struct gl_texture_image *texImage)
-{
- const GLint width = texImage->Width;
- const GLint height = texImage->Height;
- const GLint depth = texImage->Depth;
- const GLbitfield transferOps = 0x0;
- GLint img, row;
- GLfloat (*rgba)[4] = (GLfloat (*)[4]) malloc(4 * width * sizeof(GLfloat));
-
- if (!rgba) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage");
- return;
- }
-
- for (img = 0; img < depth; img++) {
- for (row = 0; row < height; row++) {
- void *dest = _mesa_image_address(dimensions, &ctx->Pack, pixels,
- width, height, format, type,
- img, row, 0);
-
- GLint col;
-
- /* convert row to RGBA format */
- for (col = 0; col < width; col++) {
- texImage->FetchTexelf(texImage, col, row, img, rgba[col]);
- if (texImage->_BaseFormat == GL_LUMINANCE) {
- rgba[col][RCOMP] = linear_to_nonlinear(rgba[col][RCOMP]);
- rgba[col][GCOMP] = 0.0;
- rgba[col][BCOMP] = 0.0;
- }
- else if (texImage->_BaseFormat == GL_LUMINANCE_ALPHA) {
- rgba[col][RCOMP] = linear_to_nonlinear(rgba[col][RCOMP]);
- rgba[col][GCOMP] = 0.0;
- rgba[col][BCOMP] = 0.0;
- }
- else if (texImage->_BaseFormat == GL_RGB ||
- texImage->_BaseFormat == GL_RGBA) {
- rgba[col][RCOMP] = linear_to_nonlinear(rgba[col][RCOMP]);
- rgba[col][GCOMP] = linear_to_nonlinear(rgba[col][GCOMP]);
- rgba[col][BCOMP] = linear_to_nonlinear(rgba[col][BCOMP]);
- }
- }
- _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba,
- format, type, dest,
- &ctx->Pack, transferOps);
- }
- }
-
- free(rgba);
-}
-
-
-#else /* FEATURE_EXT_texture_sRGB */
-
-
-static INLINE void
-get_tex_srgb(struct gl_context *ctx, GLuint dimensions,
- GLenum format, GLenum type, GLvoid *pixels,
- const struct gl_texture_image *texImage)
-{
- ASSERT_NO_FEATURE();
-}
-
-
-#endif /* FEATURE_EXT_texture_sRGB */
-
-
-/**
- * glGetTexImagefor RGBA, Luminance, etc. pixels.
- * This is the slow way since we use texture sampling.
- */
-static void
-get_tex_rgba(struct gl_context *ctx, GLuint dimensions,
- GLenum format, GLenum type, GLvoid *pixels,
- const struct gl_texture_image *texImage)
-{
- const GLint width = texImage->Width;
- const GLint height = texImage->Height;
- const GLint depth = texImage->Depth;
- /* Normally, no pixel transfer ops are performed during glGetTexImage.
- * The only possible exception is component clamping to [0,1].
- */
- GLbitfield transferOps = 0x0;
- GLint img, row;
- GLfloat (*rgba)[4] = (GLfloat (*)[4]) malloc(4 * width * sizeof(GLfloat));
-
- if (!rgba) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage");
- return;
- }
-
- for (img = 0; img < depth; img++) {
- for (row = 0; row < height; row++) {
- void *dest = _mesa_image_address(dimensions, &ctx->Pack, pixels,
- width, height, format, type,
- img, row, 0);
- GLint col;
- GLenum dataType = _mesa_get_format_datatype(texImage->TexFormat);
-
- /* clamp does not apply to GetTexImage (final conversion)?
- * Looks like we need clamp though when going from format
- * containing negative values to unsigned format.
- */
- if (format == GL_LUMINANCE || format == GL_LUMINANCE_ALPHA) {
- transferOps |= IMAGE_CLAMP_BIT;
- }
- else if (!type_with_negative_values(type) &&
- (dataType == GL_FLOAT ||
- dataType == GL_SIGNED_NORMALIZED)) {
- transferOps |= IMAGE_CLAMP_BIT;
- }
-
- for (col = 0; col < width; col++) {
- texImage->FetchTexelf(texImage, col, row, img, rgba[col]);
- if (texImage->_BaseFormat == GL_ALPHA) {
- rgba[col][RCOMP] = 0.0F;
- rgba[col][GCOMP] = 0.0F;
- rgba[col][BCOMP] = 0.0F;
- }
- else if (texImage->_BaseFormat == GL_LUMINANCE) {
- rgba[col][GCOMP] = 0.0F;
- rgba[col][BCOMP] = 0.0F;
- rgba[col][ACOMP] = 1.0F;
- }
- else if (texImage->_BaseFormat == GL_LUMINANCE_ALPHA) {
- rgba[col][GCOMP] = 0.0F;
- rgba[col][BCOMP] = 0.0F;
- }
- else if (texImage->_BaseFormat == GL_INTENSITY) {
- rgba[col][GCOMP] = 0.0F;
- rgba[col][BCOMP] = 0.0F;
- rgba[col][ACOMP] = 1.0F;
- }
- }
- _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba,
- format, type, dest,
- &ctx->Pack, transferOps);
- }
- }
-
- free(rgba);
-}
-
-
-/**
- * Try to do glGetTexImage() with simple memcpy().
- * \return GL_TRUE if done, GL_FALSE otherwise
- */
-static GLboolean
-get_tex_memcpy(struct gl_context *ctx, GLenum format, GLenum type, GLvoid *pixels,
- const struct gl_texture_object *texObj,
- const struct gl_texture_image *texImage)
-{
- GLboolean memCopy = GL_FALSE;
-
- /* Texture image should have been mapped already */
- assert(texImage->Data);
-
- /*
- * Check if the src/dst formats are compatible.
- * Also note that GL's pixel transfer ops don't apply to glGetTexImage()
- * so we don't have to worry about those.
- * XXX more format combinations could be supported here.
- */
- if ((texObj->Target == GL_TEXTURE_1D ||
- texObj->Target == GL_TEXTURE_2D ||
- texObj->Target == GL_TEXTURE_RECTANGLE ||
- (texObj->Target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X &&
- texObj->Target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z))) {
- if (texImage->TexFormat == MESA_FORMAT_ARGB8888 &&
- format == GL_BGRA &&
- type == GL_UNSIGNED_BYTE &&
- !ctx->Pack.SwapBytes &&
- _mesa_little_endian()) {
- memCopy = GL_TRUE;
- }
- else if (texImage->TexFormat == MESA_FORMAT_AL88 &&
- format == GL_LUMINANCE_ALPHA &&
- type == GL_UNSIGNED_BYTE &&
- !ctx->Pack.SwapBytes &&
- _mesa_little_endian()) {
- memCopy = GL_TRUE;
- }
- else if (texImage->TexFormat == MESA_FORMAT_L8 &&
- format == GL_LUMINANCE &&
- type == GL_UNSIGNED_BYTE) {
- memCopy = GL_TRUE;
- }
- else if (texImage->TexFormat == MESA_FORMAT_L16 &&
- format == GL_LUMINANCE &&
- type == GL_UNSIGNED_SHORT) {
- memCopy = GL_TRUE;
- }
- else if (texImage->TexFormat == MESA_FORMAT_A8 &&
- format == GL_ALPHA &&
- type == GL_UNSIGNED_BYTE) {
- memCopy = GL_TRUE;
- }
- else if (texImage->TexFormat == MESA_FORMAT_A16 &&
- format == GL_ALPHA &&
- type == GL_UNSIGNED_SHORT) {
- memCopy = GL_TRUE;
- }
- }
-
- if (memCopy) {
- const GLuint bpp = _mesa_get_format_bytes(texImage->TexFormat);
- const GLuint bytesPerRow = texImage->Width * bpp;
- GLubyte *dst =
- _mesa_image_address2d(&ctx->Pack, pixels, texImage->Width,
- texImage->Height, format, type, 0, 0);
- const GLint dstRowStride =
- _mesa_image_row_stride(&ctx->Pack, texImage->Width, format, type);
- const GLubyte *src = texImage->Data;
- const GLint srcRowStride = texImage->RowStride * bpp;
- GLuint row;
-
- if (bytesPerRow == dstRowStride && bytesPerRow == srcRowStride) {
- memcpy(dst, src, bytesPerRow * texImage->Height);
- }
- else {
- for (row = 0; row < texImage->Height; row++) {
- memcpy(dst, src, bytesPerRow);
- dst += dstRowStride;
- src += srcRowStride;
- }
- }
- }
-
- return memCopy;
-}
-
-
-/**
- * This is the software fallback for Driver.GetTexImage().
- * All error checking will have been done before this routine is called.
- * The texture image must be mapped.
- */
-void
-_mesa_get_teximage(struct gl_context *ctx, GLenum target, GLint level,
- GLenum format, GLenum type, GLvoid *pixels,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- GLuint dimensions;
-
- /* If we get here, the texture image should be mapped */
- assert(texImage->Data);
-
- switch (target) {
- case GL_TEXTURE_1D:
- dimensions = 1;
- break;
- case GL_TEXTURE_3D:
- dimensions = 3;
- break;
- default:
- dimensions = 2;
- }
-
- if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
- /* Packing texture image into a PBO.
- * Map the (potentially) VRAM-based buffer into our process space so
- * we can write into it with the code below.
- * A hardware driver might use a sophisticated blit to move the
- * texture data to the PBO if the PBO is in VRAM along with the texture.
- */
- GLubyte *buf = (GLubyte *)
- ctx->Driver.MapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT,
- GL_WRITE_ONLY_ARB, ctx->Pack.BufferObj);
- if (!buf) {
- /* out of memory or other unexpected error */
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage(map PBO failed)");
- return;
- }
- /* <pixels> was an offset into the PBO.
- * Now make it a real, client-side pointer inside the mapped region.
- */
- pixels = ADD_POINTERS(buf, pixels);
- }
-
- if (get_tex_memcpy(ctx, format, type, pixels, texObj, texImage)) {
- /* all done */
- }
- else if (format == GL_COLOR_INDEX) {
- get_tex_color_index(ctx, dimensions, format, type, pixels, texImage);
- }
- else if (format == GL_DEPTH_COMPONENT) {
- get_tex_depth(ctx, dimensions, format, type, pixels, texImage);
- }
- else if (format == GL_DEPTH_STENCIL_EXT) {
- get_tex_depth_stencil(ctx, dimensions, format, type, pixels, texImage);
- }
- else if (format == GL_YCBCR_MESA) {
- get_tex_ycbcr(ctx, dimensions, format, type, pixels, texImage);
- }
- else if (_mesa_get_format_color_encoding(texImage->TexFormat) == GL_SRGB) {
- get_tex_srgb(ctx, dimensions, format, type, pixels, texImage);
- }
- else {
- get_tex_rgba(ctx, dimensions, format, type, pixels, texImage);
- }
-
- if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
- ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT,
- ctx->Pack.BufferObj);
- }
-}
-
-
-
-/**
- * This is the software fallback for Driver.GetCompressedTexImage().
- * All error checking will have been done before this routine is called.
- */
-void
-_mesa_get_compressed_teximage(struct gl_context *ctx, GLenum target, GLint level,
- GLvoid *img,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- const GLuint row_stride = _mesa_format_row_stride(texImage->TexFormat,
- texImage->Width);
- const GLuint row_stride_stored = _mesa_format_row_stride(texImage->TexFormat,
- texImage->RowStride);
- GLuint i;
-
- if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
- /* pack texture image into a PBO */
- GLubyte *buf = (GLubyte *)
- ctx->Driver.MapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT,
- GL_WRITE_ONLY_ARB, ctx->Pack.BufferObj);
- if (!buf) {
- /* out of memory or other unexpected error */
- _mesa_error(ctx, GL_OUT_OF_MEMORY,
- "glGetCompresssedTexImage(map PBO failed)");
- return;
- }
- img = ADD_POINTERS(buf, img);
- }
-
- /* no pixelstore or pixel transfer, but respect stride */
-
- if (row_stride == row_stride_stored) {
- const GLuint size = _mesa_format_image_size(texImage->TexFormat,
- texImage->Width,
- texImage->Height,
- texImage->Depth);
- memcpy(img, texImage->Data, size);
- }
- else {
- GLuint bw, bh;
- _mesa_get_format_block_size(texImage->TexFormat, &bw, &bh);
- for (i = 0; i < (texImage->Height + bh - 1) / bh; i++) {
- memcpy((GLubyte *)img + i * row_stride,
- (GLubyte *)texImage->Data + i * row_stride_stored,
- row_stride);
- }
- }
-
- if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
- ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT,
- ctx->Pack.BufferObj);
- }
-}
-
-
-
-/**
- * Do error checking for a glGetTexImage() call.
- * \return GL_TRUE if any error, GL_FALSE if no errors.
- */
-static GLboolean
-getteximage_error_check(struct gl_context *ctx, GLenum target, GLint level,
- GLenum format, GLenum type, GLvoid *pixels )
-{
- struct gl_texture_object *texObj;
- struct gl_texture_image *texImage;
- const GLint maxLevels = _mesa_max_texture_levels(ctx, target);
- GLenum baseFormat;
-
- if (maxLevels == 0) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(target=0x%x)", target);
- return GL_TRUE;
- }
-
- if (level < 0 || level >= maxLevels) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glGetTexImage(level)" );
- return GL_TRUE;
- }
-
- if (_mesa_sizeof_packed_type(type) <= 0) {
- _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexImage(type)" );
- return GL_TRUE;
- }
-
- if (_mesa_components_in_format(format) <= 0 ||
- format == GL_STENCIL_INDEX) {
- _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexImage(format)" );
- return GL_TRUE;
- }
-
- if (!ctx->Extensions.EXT_paletted_texture && _mesa_is_index_format(format)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
- return GL_TRUE;
- }
-
- if (!ctx->Extensions.ARB_depth_texture && _mesa_is_depth_format(format)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
- return GL_TRUE;
- }
-
- if (!ctx->Extensions.MESA_ycbcr_texture && _mesa_is_ycbcr_format(format)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
- return GL_TRUE;
- }
-
- if (!ctx->Extensions.EXT_packed_depth_stencil
- && _mesa_is_depthstencil_format(format)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
- return GL_TRUE;
- }
-
- if (!ctx->Extensions.ATI_envmap_bumpmap
- && _mesa_is_dudv_format(format)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
- return GL_TRUE;
- }
-
- texObj = _mesa_get_current_tex_object(ctx, target);
-
- if (!texObj || _mesa_is_proxy_texture(target)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(target)");
- return GL_TRUE;
- }
-
- texImage = _mesa_select_tex_image(ctx, texObj, target, level);
- if (!texImage) {
- /* out of memory */
- return GL_TRUE;
- }
-
- baseFormat = _mesa_get_format_base_format(texImage->TexFormat);
-
- /* Make sure the requested image format is compatible with the
- * texture's format. Note that a color index texture can be converted
- * to RGBA so that combo is allowed.
- */
- if (_mesa_is_color_format(format)
- && !_mesa_is_color_format(baseFormat)
- && !_mesa_is_index_format(baseFormat)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
- return GL_TRUE;
- }
- else if (_mesa_is_index_format(format)
- && !_mesa_is_index_format(baseFormat)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
- return GL_TRUE;
- }
- else if (_mesa_is_depth_format(format)
- && !_mesa_is_depth_format(baseFormat)
- && !_mesa_is_depthstencil_format(baseFormat)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
- return GL_TRUE;
- }
- else if (_mesa_is_ycbcr_format(format)
- && !_mesa_is_ycbcr_format(baseFormat)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
- return GL_TRUE;
- }
- else if (_mesa_is_depthstencil_format(format)
- && !_mesa_is_depthstencil_format(baseFormat)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
- return GL_TRUE;
- }
- else if (_mesa_is_dudv_format(format)
- && !_mesa_is_dudv_format(baseFormat)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
- return GL_TRUE;
- }
-
- if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
- /* packing texture image into a PBO */
- const GLuint dimensions = (target == GL_TEXTURE_3D) ? 3 : 2;
- if (!_mesa_validate_pbo_access(dimensions, &ctx->Pack, texImage->Width,
- texImage->Height, texImage->Depth,
- format, type, pixels)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetTexImage(out of bounds PBO write)");
- return GL_TRUE;
- }
-
- /* PBO should not be mapped */
- if (_mesa_bufferobj_mapped(ctx->Pack.BufferObj)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetTexImage(PBO is mapped)");
- return GL_TRUE;
- }
- }
-
- return GL_FALSE;
-}
-
-
-
-/**
- * Get texture image. Called by glGetTexImage.
- *
- * \param target texture target.
- * \param level image level.
- * \param format pixel data format for returned image.
- * \param type pixel data type for returned image.
- * \param pixels returned pixel data.
- */
-void GLAPIENTRY
-_mesa_GetTexImage( GLenum target, GLint level, GLenum format,
- GLenum type, GLvoid *pixels )
-{
- struct gl_texture_object *texObj;
- struct gl_texture_image *texImage;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (getteximage_error_check(ctx, target, level, format, type, pixels)) {
- return;
- }
-
- if (!_mesa_is_bufferobj(ctx->Pack.BufferObj) && !pixels) {
- /* not an error, do nothing */
- return;
- }
-
- texObj = _mesa_get_current_tex_object(ctx, target);
- texImage = _mesa_select_tex_image(ctx, texObj, target, level);
-
- if (MESA_VERBOSE & (VERBOSE_API | VERBOSE_TEXTURE)) {
- _mesa_debug(ctx, "glGetTexImage(tex %u) format = %s, w=%d, h=%d,"
- " dstFmt=0x%x, dstType=0x%x\n",
- texObj->Name,
- _mesa_get_format_name(texImage->TexFormat),
- texImage->Width, texImage->Height,
- format, type);
- }
-
- _mesa_lock_texture(ctx, texObj);
- {
- ctx->Driver.GetTexImage(ctx, target, level, format, type, pixels,
- texObj, texImage);
- }
- _mesa_unlock_texture(ctx, texObj);
-}
-
-
-
-/**
- * Do error checking for a glGetCompressedTexImage() call.
- * \return GL_TRUE if any error, GL_FALSE if no errors.
- */
-static GLboolean
-getcompressedteximage_error_check(struct gl_context *ctx, GLenum target,
- GLint level, GLvoid *img)
-{
- struct gl_texture_object *texObj;
- struct gl_texture_image *texImage;
- const GLint maxLevels = _mesa_max_texture_levels(ctx, target);
-
- if (maxLevels == 0) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetCompressedTexImage(target=0x%x)",
- target);
- return GL_TRUE;
- }
-
- if (level < 0 || level >= maxLevels) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glGetCompressedTexImageARB(bad level = %d)", level);
- return GL_TRUE;
- }
-
- if (_mesa_is_proxy_texture(target)) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glGetCompressedTexImageARB(bad target = %s)",
- _mesa_lookup_enum_by_nr(target));
- return GL_TRUE;
- }
-
- texObj = _mesa_get_current_tex_object(ctx, target);
- if (!texObj) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetCompressedTexImageARB(target)");
- return GL_TRUE;
- }
-
- texImage = _mesa_select_tex_image(ctx, texObj, target, level);
-
- if (!texImage) {
- /* probably invalid mipmap level */
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glGetCompressedTexImageARB(level)");
- return GL_TRUE;
- }
-
- if (!_mesa_is_format_compressed(texImage->TexFormat)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetCompressedTexImageARB(texture is not compressed)");
- return GL_TRUE;
- }
-
- if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
- GLuint compressedSize;
-
- /* make sure PBO is not mapped */
- if (_mesa_bufferobj_mapped(ctx->Pack.BufferObj)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetCompressedTexImage(PBO is mapped)");
- return GL_TRUE;
- }
-
- compressedSize = _mesa_format_image_size(texImage->TexFormat,
- texImage->Width,
- texImage->Height,
- texImage->Depth);
-
- /* do bounds checking on PBO write */
- if ((const GLubyte *) img + compressedSize >
- (const GLubyte *) ctx->Pack.BufferObj->Size) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetCompressedTexImage(out of bounds PBO write)");
- return GL_TRUE;
- }
- }
-
- return GL_FALSE;
-}
-
-
-void GLAPIENTRY
-_mesa_GetCompressedTexImageARB(GLenum target, GLint level, GLvoid *img)
-{
- struct gl_texture_object *texObj;
- struct gl_texture_image *texImage;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (getcompressedteximage_error_check(ctx, target, level, img)) {
- return;
- }
-
- if (_mesa_is_bufferobj(ctx->Pack.BufferObj) && !img) {
- /* not an error, do nothing */
- return;
- }
-
- texObj = _mesa_get_current_tex_object(ctx, target);
- texImage = _mesa_select_tex_image(ctx, texObj, target, level);
-
- if (MESA_VERBOSE & (VERBOSE_API | VERBOSE_TEXTURE)) {
- _mesa_debug(ctx,
- "glGetCompressedTexImage(tex %u) format = %s, w=%d, h=%d\n",
- texObj->Name,
- _mesa_get_format_name(texImage->TexFormat),
- texImage->Width, texImage->Height);
- }
-
- _mesa_lock_texture(ctx, texObj);
- {
- ctx->Driver.GetCompressedTexImage(ctx, target, level, img,
- texObj, texImage);
- }
- _mesa_unlock_texture(ctx, texObj);
-}
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.7
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (c) 2009 VMware, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/**
+ * Code for glGetTexImage() and glGetCompressedTexImage().
+ */
+
+
+#include "glheader.h"
+#include "bufferobj.h"
+#include "enums.h"
+#include "context.h"
+#include "formats.h"
+#include "image.h"
+#include "mfeatures.h"
+#include "mtypes.h"
+#include "pack.h"
+#include "pbo.h"
+#include "texgetimage.h"
+#include "teximage.h"
+
+
+
+/**
+ * Can the given type represent negative values?
+ */
+static INLINE GLboolean
+type_with_negative_values(GLenum type)
+{
+ switch (type) {
+ case GL_BYTE:
+ case GL_SHORT:
+ case GL_INT:
+ case GL_FLOAT:
+ case GL_HALF_FLOAT_ARB:
+ return GL_TRUE;
+ default:
+ return GL_FALSE;
+ }
+}
+
+
+/**
+ * glGetTexImage for color index pixels.
+ */
+static void
+get_tex_color_index(struct gl_context *ctx, GLuint dimensions,
+ GLenum format, GLenum type, GLvoid *pixels,
+ const struct gl_texture_image *texImage)
+{
+ const GLint width = texImage->Width;
+ const GLint height = texImage->Height;
+ const GLint depth = texImage->Depth;
+ const GLuint indexBits =
+ _mesa_get_format_bits(texImage->TexFormat, GL_TEXTURE_INDEX_SIZE_EXT);
+ const GLbitfield transferOps = 0x0;
+ GLint img, row, col;
+
+ for (img = 0; img < depth; img++) {
+ for (row = 0; row < height; row++) {
+ GLuint indexRow[MAX_WIDTH] = { 0 };
+ void *dest = _mesa_image_address(dimensions, &ctx->Pack, pixels,
+ width, height, format, type,
+ img, row, 0);
+ assert(dest);
+
+ if (indexBits == 8) {
+ const GLubyte *src = (const GLubyte *) texImage->Data;
+ src += width * (img * texImage->Height + row);
+ for (col = 0; col < width; col++) {
+ indexRow[col] = src[col];
+ }
+ }
+ else if (indexBits == 16) {
+ const GLushort *src = (const GLushort *) texImage->Data;
+ src += width * (img * texImage->Height + row);
+ for (col = 0; col < width; col++) {
+ indexRow[col] = src[col];
+ }
+ }
+ else {
+ _mesa_problem(ctx, "Color index problem in _mesa_GetTexImage");
+ }
+ _mesa_pack_index_span(ctx, width, type, dest,
+ indexRow, &ctx->Pack, transferOps);
+ }
+ }
+}
+
+
+/**
+ * glGetTexImage for depth/Z pixels.
+ */
+static void
+get_tex_depth(struct gl_context *ctx, GLuint dimensions,
+ GLenum format, GLenum type, GLvoid *pixels,
+ const struct gl_texture_image *texImage)
+{
+ const GLint width = texImage->Width;
+ const GLint height = texImage->Height;
+ const GLint depth = texImage->Depth;
+ GLint img, row, col;
+ GLfloat *depthRow = (GLfloat *) malloc(width * sizeof(GLfloat));
+
+ if (!depthRow) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage");
+ return;
+ }
+
+ for (img = 0; img < depth; img++) {
+ for (row = 0; row < height; row++) {
+ void *dest = _mesa_image_address(dimensions, &ctx->Pack, pixels,
+ width, height, format, type,
+ img, row, 0);
+ assert(dest);
+
+ for (col = 0; col < width; col++) {
+ texImage->FetchTexelf(texImage, col, row, img, depthRow + col);
+ }
+ _mesa_pack_depth_span(ctx, width, dest, type, depthRow, &ctx->Pack);
+ }
+ }
+
+ free(depthRow);
+}
+
+
+/**
+ * glGetTexImage for depth/stencil pixels.
+ */
+static void
+get_tex_depth_stencil(struct gl_context *ctx, GLuint dimensions,
+ GLenum format, GLenum type, GLvoid *pixels,
+ const struct gl_texture_image *texImage)
+{
+ const GLint width = texImage->Width;
+ const GLint height = texImage->Height;
+ const GLint depth = texImage->Depth;
+ const GLuint *src = (const GLuint *) texImage->Data;
+ GLint img, row;
+
+ for (img = 0; img < depth; img++) {
+ for (row = 0; row < height; row++) {
+ void *dest = _mesa_image_address(dimensions, &ctx->Pack, pixels,
+ width, height, format, type,
+ img, row, 0);
+ memcpy(dest, src, width * sizeof(GLuint));
+ if (ctx->Pack.SwapBytes) {
+ _mesa_swap4((GLuint *) dest, width);
+ }
+
+ src += width * row + width * height * img;
+ }
+ }
+}
+
+
+/**
+ * glGetTexImage for YCbCr pixels.
+ */
+static void
+get_tex_ycbcr(struct gl_context *ctx, GLuint dimensions,
+ GLenum format, GLenum type, GLvoid *pixels,
+ const struct gl_texture_image *texImage)
+{
+ const GLint width = texImage->Width;
+ const GLint height = texImage->Height;
+ const GLint depth = texImage->Depth;
+ const GLint rowstride = texImage->RowStride;
+ const GLushort *src = (const GLushort *) texImage->Data;
+ GLint img, row;
+
+ for (img = 0; img < depth; img++) {
+ for (row = 0; row < height; row++) {
+ void *dest = _mesa_image_address(dimensions, &ctx->Pack, pixels,
+ width, height, format, type,
+ img, row, 0);
+ memcpy(dest, src, width * sizeof(GLushort));
+
+ /* check for byte swapping */
+ if ((texImage->TexFormat == MESA_FORMAT_YCBCR
+ && type == GL_UNSIGNED_SHORT_8_8_REV_MESA) ||
+ (texImage->TexFormat == MESA_FORMAT_YCBCR_REV
+ && type == GL_UNSIGNED_SHORT_8_8_MESA)) {
+ if (!ctx->Pack.SwapBytes)
+ _mesa_swap2((GLushort *) dest, width);
+ }
+ else if (ctx->Pack.SwapBytes) {
+ _mesa_swap2((GLushort *) dest, width);
+ }
+
+ src += rowstride;
+ }
+ }
+}
+
+
+#if FEATURE_EXT_texture_sRGB
+
+
+/**
+ * Convert a float value from linear space to a
+ * non-linear sRGB value in [0, 255].
+ * Not terribly efficient.
+ */
+static INLINE GLfloat
+linear_to_nonlinear(GLfloat cl)
+{
+ /* can't have values outside [0, 1] */
+ GLfloat cs;
+ if (cl < 0.0031308f) {
+ cs = 12.92f * cl;
+ }
+ else {
+ cs = (GLfloat)(1.055 * pow(cl, 0.41666) - 0.055);
+ }
+ return cs;
+}
+
+
+/**
+ * glGetTexImagefor sRGB pixels;
+ */
+static void
+get_tex_srgb(struct gl_context *ctx, GLuint dimensions,
+ GLenum format, GLenum type, GLvoid *pixels,
+ const struct gl_texture_image *texImage)
+{
+ const GLint width = texImage->Width;
+ const GLint height = texImage->Height;
+ const GLint depth = texImage->Depth;
+ const GLbitfield transferOps = 0x0;
+ GLint img, row;
+ GLfloat (*rgba)[4] = (GLfloat (*)[4]) malloc(4 * width * sizeof(GLfloat));
+
+ if (!rgba) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage");
+ return;
+ }
+
+ for (img = 0; img < depth; img++) {
+ for (row = 0; row < height; row++) {
+ void *dest = _mesa_image_address(dimensions, &ctx->Pack, pixels,
+ width, height, format, type,
+ img, row, 0);
+
+ GLint col;
+
+ /* convert row to RGBA format */
+ for (col = 0; col < width; col++) {
+ texImage->FetchTexelf(texImage, col, row, img, rgba[col]);
+ if (texImage->_BaseFormat == GL_LUMINANCE) {
+ rgba[col][RCOMP] = linear_to_nonlinear(rgba[col][RCOMP]);
+ rgba[col][GCOMP] = 0.0;
+ rgba[col][BCOMP] = 0.0;
+ }
+ else if (texImage->_BaseFormat == GL_LUMINANCE_ALPHA) {
+ rgba[col][RCOMP] = linear_to_nonlinear(rgba[col][RCOMP]);
+ rgba[col][GCOMP] = 0.0;
+ rgba[col][BCOMP] = 0.0;
+ }
+ else if (texImage->_BaseFormat == GL_RGB ||
+ texImage->_BaseFormat == GL_RGBA) {
+ rgba[col][RCOMP] = linear_to_nonlinear(rgba[col][RCOMP]);
+ rgba[col][GCOMP] = linear_to_nonlinear(rgba[col][GCOMP]);
+ rgba[col][BCOMP] = linear_to_nonlinear(rgba[col][BCOMP]);
+ }
+ }
+ _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba,
+ format, type, dest,
+ &ctx->Pack, transferOps);
+ }
+ }
+
+ free(rgba);
+}
+
+
+#else /* FEATURE_EXT_texture_sRGB */
+
+
+static INLINE void
+get_tex_srgb(struct gl_context *ctx, GLuint dimensions,
+ GLenum format, GLenum type, GLvoid *pixels,
+ const struct gl_texture_image *texImage)
+{
+ ASSERT_NO_FEATURE();
+}
+
+
+#endif /* FEATURE_EXT_texture_sRGB */
+
+
+/**
+ * glGetTexImagefor RGBA, Luminance, etc. pixels.
+ * This is the slow way since we use texture sampling.
+ */
+static void
+get_tex_rgba(struct gl_context *ctx, GLuint dimensions,
+ GLenum format, GLenum type, GLvoid *pixels,
+ const struct gl_texture_image *texImage)
+{
+ const GLint width = texImage->Width;
+ const GLint height = texImage->Height;
+ const GLint depth = texImage->Depth;
+ /* Normally, no pixel transfer ops are performed during glGetTexImage.
+ * The only possible exception is component clamping to [0,1].
+ */
+ GLbitfield transferOps = 0x0;
+ GLint img, row;
+ GLfloat (*rgba)[4] = (GLfloat (*)[4]) malloc(4 * width * sizeof(GLfloat));
+
+ if (!rgba) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage");
+ return;
+ }
+
+ for (img = 0; img < depth; img++) {
+ for (row = 0; row < height; row++) {
+ void *dest = _mesa_image_address(dimensions, &ctx->Pack, pixels,
+ width, height, format, type,
+ img, row, 0);
+ GLint col;
+ GLenum dataType = _mesa_get_format_datatype(texImage->TexFormat);
+
+ /* clamp does not apply to GetTexImage (final conversion)?
+ * Looks like we need clamp though when going from format
+ * containing negative values to unsigned format.
+ */
+ if (format == GL_LUMINANCE || format == GL_LUMINANCE_ALPHA) {
+ transferOps |= IMAGE_CLAMP_BIT;
+ }
+ else if (!type_with_negative_values(type) &&
+ (dataType == GL_FLOAT ||
+ dataType == GL_SIGNED_NORMALIZED)) {
+ transferOps |= IMAGE_CLAMP_BIT;
+ }
+
+ for (col = 0; col < width; col++) {
+ texImage->FetchTexelf(texImage, col, row, img, rgba[col]);
+ if (texImage->_BaseFormat == GL_ALPHA) {
+ rgba[col][RCOMP] = 0.0F;
+ rgba[col][GCOMP] = 0.0F;
+ rgba[col][BCOMP] = 0.0F;
+ }
+ else if (texImage->_BaseFormat == GL_LUMINANCE) {
+ rgba[col][GCOMP] = 0.0F;
+ rgba[col][BCOMP] = 0.0F;
+ rgba[col][ACOMP] = 1.0F;
+ }
+ else if (texImage->_BaseFormat == GL_LUMINANCE_ALPHA) {
+ rgba[col][GCOMP] = 0.0F;
+ rgba[col][BCOMP] = 0.0F;
+ }
+ else if (texImage->_BaseFormat == GL_INTENSITY) {
+ rgba[col][GCOMP] = 0.0F;
+ rgba[col][BCOMP] = 0.0F;
+ rgba[col][ACOMP] = 1.0F;
+ }
+ }
+ _mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba,
+ format, type, dest,
+ &ctx->Pack, transferOps);
+ }
+ }
+
+ free(rgba);
+}
+
+
+/**
+ * Try to do glGetTexImage() with simple memcpy().
+ * \return GL_TRUE if done, GL_FALSE otherwise
+ */
+static GLboolean
+get_tex_memcpy(struct gl_context *ctx, GLenum format, GLenum type, GLvoid *pixels,
+ const struct gl_texture_object *texObj,
+ const struct gl_texture_image *texImage)
+{
+ GLboolean memCopy = GL_FALSE;
+
+ /* Texture image should have been mapped already */
+ assert(texImage->Data);
+
+ /*
+ * Check if the src/dst formats are compatible.
+ * Also note that GL's pixel transfer ops don't apply to glGetTexImage()
+ * so we don't have to worry about those.
+ * XXX more format combinations could be supported here.
+ */
+ if ((texObj->Target == GL_TEXTURE_1D ||
+ texObj->Target == GL_TEXTURE_2D ||
+ texObj->Target == GL_TEXTURE_RECTANGLE ||
+ (texObj->Target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X &&
+ texObj->Target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z))) {
+ if (texImage->TexFormat == MESA_FORMAT_ARGB8888 &&
+ format == GL_BGRA &&
+ type == GL_UNSIGNED_BYTE &&
+ !ctx->Pack.SwapBytes &&
+ _mesa_little_endian()) {
+ memCopy = GL_TRUE;
+ }
+ else if (texImage->TexFormat == MESA_FORMAT_AL88 &&
+ format == GL_LUMINANCE_ALPHA &&
+ type == GL_UNSIGNED_BYTE &&
+ !ctx->Pack.SwapBytes &&
+ _mesa_little_endian()) {
+ memCopy = GL_TRUE;
+ }
+ else if (texImage->TexFormat == MESA_FORMAT_L8 &&
+ format == GL_LUMINANCE &&
+ type == GL_UNSIGNED_BYTE) {
+ memCopy = GL_TRUE;
+ }
+ else if (texImage->TexFormat == MESA_FORMAT_L16 &&
+ format == GL_LUMINANCE &&
+ type == GL_UNSIGNED_SHORT) {
+ memCopy = GL_TRUE;
+ }
+ else if (texImage->TexFormat == MESA_FORMAT_A8 &&
+ format == GL_ALPHA &&
+ type == GL_UNSIGNED_BYTE) {
+ memCopy = GL_TRUE;
+ }
+ else if (texImage->TexFormat == MESA_FORMAT_A16 &&
+ format == GL_ALPHA &&
+ type == GL_UNSIGNED_SHORT) {
+ memCopy = GL_TRUE;
+ }
+ }
+
+ if (memCopy) {
+ const GLuint bpp = _mesa_get_format_bytes(texImage->TexFormat);
+ const GLuint bytesPerRow = texImage->Width * bpp;
+ GLubyte *dst =
+ _mesa_image_address2d(&ctx->Pack, pixels, texImage->Width,
+ texImage->Height, format, type, 0, 0);
+ const GLint dstRowStride =
+ _mesa_image_row_stride(&ctx->Pack, texImage->Width, format, type);
+ const GLubyte *src = texImage->Data;
+ const GLint srcRowStride = texImage->RowStride * bpp;
+ GLuint row;
+
+ if (bytesPerRow == dstRowStride && bytesPerRow == srcRowStride) {
+ memcpy(dst, src, bytesPerRow * texImage->Height);
+ }
+ else {
+ for (row = 0; row < texImage->Height; row++) {
+ memcpy(dst, src, bytesPerRow);
+ dst += dstRowStride;
+ src += srcRowStride;
+ }
+ }
+ }
+
+ return memCopy;
+}
+
+
+/**
+ * This is the software fallback for Driver.GetTexImage().
+ * All error checking will have been done before this routine is called.
+ * The texture image must be mapped.
+ */
+void
+_mesa_get_teximage(struct gl_context *ctx, GLenum target, GLint level,
+ GLenum format, GLenum type, GLvoid *pixels,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ GLuint dimensions;
+
+ /* If we get here, the texture image should be mapped */
+ assert(texImage->Data);
+
+ switch (target) {
+ case GL_TEXTURE_1D:
+ dimensions = 1;
+ break;
+ case GL_TEXTURE_3D:
+ dimensions = 3;
+ break;
+ default:
+ dimensions = 2;
+ }
+
+ if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
+ /* Packing texture image into a PBO.
+ * Map the (potentially) VRAM-based buffer into our process space so
+ * we can write into it with the code below.
+ * A hardware driver might use a sophisticated blit to move the
+ * texture data to the PBO if the PBO is in VRAM along with the texture.
+ */
+ GLubyte *buf = (GLubyte *)
+ ctx->Driver.MapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT,
+ GL_WRITE_ONLY_ARB, ctx->Pack.BufferObj);
+ if (!buf) {
+ /* out of memory or other unexpected error */
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage(map PBO failed)");
+ return;
+ }
+ /* <pixels> was an offset into the PBO.
+ * Now make it a real, client-side pointer inside the mapped region.
+ */
+ pixels = ADD_POINTERS(buf, pixels);
+ }
+
+ if (get_tex_memcpy(ctx, format, type, pixels, texObj, texImage)) {
+ /* all done */
+ }
+ else if (format == GL_COLOR_INDEX) {
+ get_tex_color_index(ctx, dimensions, format, type, pixels, texImage);
+ }
+ else if (format == GL_DEPTH_COMPONENT) {
+ get_tex_depth(ctx, dimensions, format, type, pixels, texImage);
+ }
+ else if (format == GL_DEPTH_STENCIL_EXT) {
+ get_tex_depth_stencil(ctx, dimensions, format, type, pixels, texImage);
+ }
+ else if (format == GL_YCBCR_MESA) {
+ get_tex_ycbcr(ctx, dimensions, format, type, pixels, texImage);
+ }
+ else if (_mesa_get_format_color_encoding(texImage->TexFormat) == GL_SRGB) {
+ get_tex_srgb(ctx, dimensions, format, type, pixels, texImage);
+ }
+ else {
+ get_tex_rgba(ctx, dimensions, format, type, pixels, texImage);
+ }
+
+ if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
+ ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT,
+ ctx->Pack.BufferObj);
+ }
+}
+
+
+
+/**
+ * This is the software fallback for Driver.GetCompressedTexImage().
+ * All error checking will have been done before this routine is called.
+ */
+void
+_mesa_get_compressed_teximage(struct gl_context *ctx, GLenum target, GLint level,
+ GLvoid *img,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage)
+{
+ const GLuint row_stride = _mesa_format_row_stride(texImage->TexFormat,
+ texImage->Width);
+ const GLuint row_stride_stored = _mesa_format_row_stride(texImage->TexFormat,
+ texImage->RowStride);
+ GLuint i;
+
+ if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
+ /* pack texture image into a PBO */
+ GLubyte *buf = (GLubyte *)
+ ctx->Driver.MapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT,
+ GL_WRITE_ONLY_ARB, ctx->Pack.BufferObj);
+ if (!buf) {
+ /* out of memory or other unexpected error */
+ _mesa_error(ctx, GL_OUT_OF_MEMORY,
+ "glGetCompresssedTexImage(map PBO failed)");
+ return;
+ }
+ img = ADD_POINTERS(buf, img);
+ }
+
+ /* no pixelstore or pixel transfer, but respect stride */
+
+ if (row_stride == row_stride_stored) {
+ const GLuint size = _mesa_format_image_size(texImage->TexFormat,
+ texImage->Width,
+ texImage->Height,
+ texImage->Depth);
+ memcpy(img, texImage->Data, size);
+ }
+ else {
+ GLuint bw, bh;
+ _mesa_get_format_block_size(texImage->TexFormat, &bw, &bh);
+ for (i = 0; i < (texImage->Height + bh - 1) / bh; i++) {
+ memcpy((GLubyte *)img + i * row_stride,
+ (GLubyte *)texImage->Data + i * row_stride_stored,
+ row_stride);
+ }
+ }
+
+ if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
+ ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT,
+ ctx->Pack.BufferObj);
+ }
+}
+
+
+
+/**
+ * Do error checking for a glGetTexImage() call.
+ * \return GL_TRUE if any error, GL_FALSE if no errors.
+ */
+static GLboolean
+getteximage_error_check(struct gl_context *ctx, GLenum target, GLint level,
+ GLenum format, GLenum type, GLvoid *pixels )
+{
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+ const GLint maxLevels = _mesa_max_texture_levels(ctx, target);
+ GLenum baseFormat;
+
+ if (maxLevels == 0) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(target=0x%x)", target);
+ return GL_TRUE;
+ }
+
+ if (level < 0 || level >= maxLevels) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glGetTexImage(level)" );
+ return GL_TRUE;
+ }
+
+ if (_mesa_sizeof_packed_type(type) <= 0) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexImage(type)" );
+ return GL_TRUE;
+ }
+
+ if (_mesa_components_in_format(format) <= 0 ||
+ format == GL_STENCIL_INDEX) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexImage(format)" );
+ return GL_TRUE;
+ }
+
+ if (!ctx->Extensions.EXT_paletted_texture && _mesa_is_index_format(format)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
+ return GL_TRUE;
+ }
+
+ if (!ctx->Extensions.ARB_depth_texture && _mesa_is_depth_format(format)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
+ return GL_TRUE;
+ }
+
+ if (!ctx->Extensions.MESA_ycbcr_texture && _mesa_is_ycbcr_format(format)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
+ return GL_TRUE;
+ }
+
+ if (!ctx->Extensions.EXT_packed_depth_stencil
+ && _mesa_is_depthstencil_format(format)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
+ return GL_TRUE;
+ }
+
+ if (!ctx->Extensions.ATI_envmap_bumpmap
+ && _mesa_is_dudv_format(format)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
+ return GL_TRUE;
+ }
+
+ texObj = _mesa_get_current_tex_object(ctx, target);
+
+ if (!texObj || _mesa_is_proxy_texture(target)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(target)");
+ return GL_TRUE;
+ }
+
+ texImage = _mesa_select_tex_image(ctx, texObj, target, level);
+ if (!texImage) {
+ /* out of memory */
+ return GL_TRUE;
+ }
+
+ baseFormat = _mesa_get_format_base_format(texImage->TexFormat);
+
+ /* Make sure the requested image format is compatible with the
+ * texture's format. Note that a color index texture can be converted
+ * to RGBA so that combo is allowed.
+ */
+ if (_mesa_is_color_format(format)
+ && !_mesa_is_color_format(baseFormat)
+ && !_mesa_is_index_format(baseFormat)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
+ return GL_TRUE;
+ }
+ else if (_mesa_is_index_format(format)
+ && !_mesa_is_index_format(baseFormat)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
+ return GL_TRUE;
+ }
+ else if (_mesa_is_depth_format(format)
+ && !_mesa_is_depth_format(baseFormat)
+ && !_mesa_is_depthstencil_format(baseFormat)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
+ return GL_TRUE;
+ }
+ else if (_mesa_is_ycbcr_format(format)
+ && !_mesa_is_ycbcr_format(baseFormat)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
+ return GL_TRUE;
+ }
+ else if (_mesa_is_depthstencil_format(format)
+ && !_mesa_is_depthstencil_format(baseFormat)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
+ return GL_TRUE;
+ }
+ else if (_mesa_is_dudv_format(format)
+ && !_mesa_is_dudv_format(baseFormat)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
+ return GL_TRUE;
+ }
+
+ if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
+ /* packing texture image into a PBO */
+ const GLuint dimensions = (target == GL_TEXTURE_3D) ? 3 : 2;
+ if (!_mesa_validate_pbo_access(dimensions, &ctx->Pack, texImage->Width,
+ texImage->Height, texImage->Depth,
+ format, type, pixels)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetTexImage(out of bounds PBO write)");
+ return GL_TRUE;
+ }
+
+ /* PBO should not be mapped */
+ if (_mesa_bufferobj_mapped(ctx->Pack.BufferObj)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetTexImage(PBO is mapped)");
+ return GL_TRUE;
+ }
+ }
+
+ return GL_FALSE;
+}
+
+
+
+/**
+ * Get texture image. Called by glGetTexImage.
+ *
+ * \param target texture target.
+ * \param level image level.
+ * \param format pixel data format for returned image.
+ * \param type pixel data type for returned image.
+ * \param pixels returned pixel data.
+ */
+void GLAPIENTRY
+_mesa_GetTexImage( GLenum target, GLint level, GLenum format,
+ GLenum type, GLvoid *pixels )
+{
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (getteximage_error_check(ctx, target, level, format, type, pixels)) {
+ return;
+ }
+
+ if (!_mesa_is_bufferobj(ctx->Pack.BufferObj) && !pixels) {
+ /* not an error, do nothing */
+ return;
+ }
+
+ texObj = _mesa_get_current_tex_object(ctx, target);
+ texImage = _mesa_select_tex_image(ctx, texObj, target, level);
+
+ if (MESA_VERBOSE & (VERBOSE_API | VERBOSE_TEXTURE)) {
+ _mesa_debug(ctx, "glGetTexImage(tex %u) format = %s, w=%d, h=%d,"
+ " dstFmt=0x%x, dstType=0x%x\n",
+ texObj->Name,
+ _mesa_get_format_name(texImage->TexFormat),
+ texImage->Width, texImage->Height,
+ format, type);
+ }
+
+ _mesa_lock_texture(ctx, texObj);
+ {
+ ctx->Driver.GetTexImage(ctx, target, level, format, type, pixels,
+ texObj, texImage);
+ }
+ _mesa_unlock_texture(ctx, texObj);
+}
+
+
+
+/**
+ * Do error checking for a glGetCompressedTexImage() call.
+ * \return GL_TRUE if any error, GL_FALSE if no errors.
+ */
+static GLboolean
+getcompressedteximage_error_check(struct gl_context *ctx, GLenum target,
+ GLint level, GLvoid *img)
+{
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+ const GLint maxLevels = _mesa_max_texture_levels(ctx, target);
+
+ if (maxLevels == 0) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetCompressedTexImage(target=0x%x)",
+ target);
+ return GL_TRUE;
+ }
+
+ if (level < 0 || level >= maxLevels) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glGetCompressedTexImageARB(bad level = %d)", level);
+ return GL_TRUE;
+ }
+
+ if (_mesa_is_proxy_texture(target)) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glGetCompressedTexImageARB(bad target = %s)",
+ _mesa_lookup_enum_by_nr(target));
+ return GL_TRUE;
+ }
+
+ texObj = _mesa_get_current_tex_object(ctx, target);
+ if (!texObj) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetCompressedTexImageARB(target)");
+ return GL_TRUE;
+ }
+
+ texImage = _mesa_select_tex_image(ctx, texObj, target, level);
+
+ if (!texImage) {
+ /* probably invalid mipmap level */
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glGetCompressedTexImageARB(level)");
+ return GL_TRUE;
+ }
+
+ if (!_mesa_is_format_compressed(texImage->TexFormat)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetCompressedTexImageARB(texture is not compressed)");
+ return GL_TRUE;
+ }
+
+ if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
+ GLuint compressedSize;
+
+ /* make sure PBO is not mapped */
+ if (_mesa_bufferobj_mapped(ctx->Pack.BufferObj)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetCompressedTexImage(PBO is mapped)");
+ return GL_TRUE;
+ }
+
+ compressedSize = _mesa_format_image_size(texImage->TexFormat,
+ texImage->Width,
+ texImage->Height,
+ texImage->Depth);
+
+ /* do bounds checking on PBO write */
+ if ((const GLubyte *) img + compressedSize >
+ (const GLubyte *) ctx->Pack.BufferObj->Size) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetCompressedTexImage(out of bounds PBO write)");
+ return GL_TRUE;
+ }
+ }
+
+ return GL_FALSE;
+}
+
+
+void GLAPIENTRY
+_mesa_GetCompressedTexImageARB(GLenum target, GLint level, GLvoid *img)
+{
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (getcompressedteximage_error_check(ctx, target, level, img)) {
+ return;
+ }
+
+ if (_mesa_is_bufferobj(ctx->Pack.BufferObj) && !img) {
+ /* not an error, do nothing */
+ return;
+ }
+
+ texObj = _mesa_get_current_tex_object(ctx, target);
+ texImage = _mesa_select_tex_image(ctx, texObj, target, level);
+
+ if (MESA_VERBOSE & (VERBOSE_API | VERBOSE_TEXTURE)) {
+ _mesa_debug(ctx,
+ "glGetCompressedTexImage(tex %u) format = %s, w=%d, h=%d\n",
+ texObj->Name,
+ _mesa_get_format_name(texImage->TexFormat),
+ texImage->Width, texImage->Height);
+ }
+
+ _mesa_lock_texture(ctx, texObj);
+ {
+ ctx->Driver.GetCompressedTexImage(ctx, target, level, img,
+ texObj, texImage);
+ }
+ _mesa_unlock_texture(ctx, texObj);
+}
diff --git a/mesalib/src/mesa/main/teximage.c b/mesalib/src/mesa/main/teximage.c
index c6b8c05b1..351dccc16 100644
--- a/mesalib/src/mesa/main/teximage.c
+++ b/mesalib/src/mesa/main/teximage.c
@@ -1,3524 +1,3524 @@
-/*
- * mesa 3-D graphics library
- * Version: 7.6
- *
- * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
- * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-/**
- * \file teximage.c
- * Texture image-related functions.
- */
-
-
-#include "glheader.h"
-#include "bufferobj.h"
-#include "context.h"
-#include "enums.h"
-#include "fbobject.h"
-#include "framebuffer.h"
-#include "hash.h"
-#include "image.h"
-#include "imports.h"
-#include "macros.h"
-#include "mfeatures.h"
-#include "state.h"
-#include "texcompress.h"
-#include "texfetch.h"
-#include "teximage.h"
-#include "texstate.h"
-#include "texpal.h"
-#include "mtypes.h"
-
-
-/**
- * State changes which we care about for glCopyTex[Sub]Image() calls.
- * In particular, we care about pixel transfer state and buffer state
- * (such as glReadBuffer to make sure we read from the right renderbuffer).
- */
-#define NEW_COPY_TEX_STATE (_NEW_BUFFERS | _NEW_PIXEL)
-
-
-
-/**
- * We allocate texture memory on 512-byte boundaries so we can use MMX/SSE
- * elsewhere.
- */
-void *
-_mesa_alloc_texmemory(GLsizei bytes)
-{
- return _mesa_align_malloc(bytes, 512);
-}
-
-
-/**
- * Free texture memory allocated with _mesa_alloc_texmemory()
- */
-void
-_mesa_free_texmemory(void *m)
-{
- _mesa_align_free(m);
-}
-
-
-/*
- * Compute floor(log_base_2(n)).
- * If n < 0 return -1.
- */
-static int
-logbase2( int n )
-{
- GLint i = 1;
- GLint log2 = 0;
-
- if (n < 0)
- return -1;
-
- if (n == 0)
- return 0;
-
- while ( n > i ) {
- i *= 2;
- log2++;
- }
- if (i != n) {
- return log2 - 1;
- }
- else {
- return log2;
- }
-}
-
-
-
-/**
- * Return the simple base format for a given internal texture format.
- * For example, given GL_LUMINANCE12_ALPHA4, return GL_LUMINANCE_ALPHA.
- *
- * \param ctx GL context.
- * \param internalFormat the internal texture format token or 1, 2, 3, or 4.
- *
- * \return the corresponding \u base internal format (GL_ALPHA, GL_LUMINANCE,
- * GL_LUMANCE_ALPHA, GL_INTENSITY, GL_RGB, or GL_RGBA), or -1 if invalid enum.
- *
- * This is the format which is used during texture application (i.e. the
- * texture format and env mode determine the arithmetic used.
- *
- * XXX this could be static
- */
-GLint
-_mesa_base_tex_format( struct gl_context *ctx, GLint internalFormat )
-{
- switch (internalFormat) {
- case GL_ALPHA:
- case GL_ALPHA4:
- case GL_ALPHA8:
- case GL_ALPHA12:
- case GL_ALPHA16:
- return GL_ALPHA;
- case 1:
- case GL_LUMINANCE:
- case GL_LUMINANCE4:
- case GL_LUMINANCE8:
- case GL_LUMINANCE12:
- case GL_LUMINANCE16:
- return GL_LUMINANCE;
- case 2:
- case GL_LUMINANCE_ALPHA:
- case GL_LUMINANCE4_ALPHA4:
- case GL_LUMINANCE6_ALPHA2:
- case GL_LUMINANCE8_ALPHA8:
- case GL_LUMINANCE12_ALPHA4:
- case GL_LUMINANCE12_ALPHA12:
- case GL_LUMINANCE16_ALPHA16:
- return GL_LUMINANCE_ALPHA;
- case GL_INTENSITY:
- case GL_INTENSITY4:
- case GL_INTENSITY8:
- case GL_INTENSITY12:
- case GL_INTENSITY16:
- return GL_INTENSITY;
- case 3:
- case GL_RGB:
- case GL_R3_G3_B2:
- case GL_RGB4:
- case GL_RGB5:
- case GL_RGB8:
- case GL_RGB10:
- case GL_RGB12:
- case GL_RGB16:
- return GL_RGB;
- case 4:
- case GL_RGBA:
- case GL_RGBA2:
- case GL_RGBA4:
- case GL_RGB5_A1:
- case GL_RGBA8:
- case GL_RGB10_A2:
- case GL_RGBA12:
- case GL_RGBA16:
- return GL_RGBA;
- default:
- ; /* fallthrough */
- }
-
- if (ctx->Extensions.EXT_texture_format_BGRA8888) {
- switch (internalFormat) {
- case GL_BGRA_EXT:
- return GL_RGBA;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.EXT_paletted_texture) {
- switch (internalFormat) {
- case GL_COLOR_INDEX:
- case GL_COLOR_INDEX1_EXT:
- case GL_COLOR_INDEX2_EXT:
- case GL_COLOR_INDEX4_EXT:
- case GL_COLOR_INDEX8_EXT:
- case GL_COLOR_INDEX12_EXT:
- case GL_COLOR_INDEX16_EXT:
- return GL_COLOR_INDEX;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.ARB_depth_texture) {
- switch (internalFormat) {
- case GL_DEPTH_COMPONENT:
- case GL_DEPTH_COMPONENT16:
- case GL_DEPTH_COMPONENT24:
- case GL_DEPTH_COMPONENT32:
- return GL_DEPTH_COMPONENT;
- default:
- ; /* fallthrough */
- }
- }
-
- switch (internalFormat) {
- case GL_COMPRESSED_ALPHA:
- return GL_ALPHA;
- case GL_COMPRESSED_LUMINANCE:
- return GL_LUMINANCE;
- case GL_COMPRESSED_LUMINANCE_ALPHA:
- return GL_LUMINANCE_ALPHA;
- case GL_COMPRESSED_INTENSITY:
- return GL_INTENSITY;
- case GL_COMPRESSED_RGB:
- return GL_RGB;
- case GL_COMPRESSED_RGBA:
- return GL_RGBA;
- default:
- ; /* fallthrough */
- }
-
- if (ctx->Extensions.TDFX_texture_compression_FXT1) {
- switch (internalFormat) {
- case GL_COMPRESSED_RGB_FXT1_3DFX:
- return GL_RGB;
- case GL_COMPRESSED_RGBA_FXT1_3DFX:
- return GL_RGBA;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.EXT_texture_compression_s3tc) {
- switch (internalFormat) {
- case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
- return GL_RGB;
- case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
- case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
- case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
- return GL_RGBA;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.S3_s3tc) {
- switch (internalFormat) {
- case GL_RGB_S3TC:
- case GL_RGB4_S3TC:
- return GL_RGB;
- case GL_RGBA_S3TC:
- case GL_RGBA4_S3TC:
- return GL_RGBA;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.MESA_ycbcr_texture) {
- if (internalFormat == GL_YCBCR_MESA)
- return GL_YCBCR_MESA;
- }
-
- if (ctx->Extensions.ARB_texture_float) {
- switch (internalFormat) {
- case GL_ALPHA16F_ARB:
- case GL_ALPHA32F_ARB:
- return GL_ALPHA;
- case GL_RGBA16F_ARB:
- case GL_RGBA32F_ARB:
- return GL_RGBA;
- case GL_RGB16F_ARB:
- case GL_RGB32F_ARB:
- return GL_RGB;
- case GL_INTENSITY16F_ARB:
- case GL_INTENSITY32F_ARB:
- return GL_INTENSITY;
- case GL_LUMINANCE16F_ARB:
- case GL_LUMINANCE32F_ARB:
- return GL_LUMINANCE;
- case GL_LUMINANCE_ALPHA16F_ARB:
- case GL_LUMINANCE_ALPHA32F_ARB:
- return GL_LUMINANCE_ALPHA;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.ATI_envmap_bumpmap) {
- switch (internalFormat) {
- case GL_DUDV_ATI:
- case GL_DU8DV8_ATI:
- return GL_DUDV_ATI;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.MESA_texture_signed_rgba) {
- switch (internalFormat) {
- case GL_RGBA_SNORM:
- case GL_RGBA8_SNORM:
- return GL_RGBA;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.EXT_packed_depth_stencil) {
- switch (internalFormat) {
- case GL_DEPTH_STENCIL_EXT:
- case GL_DEPTH24_STENCIL8_EXT:
- return GL_DEPTH_STENCIL_EXT;
- default:
- ; /* fallthrough */
- }
- }
-
-#if FEATURE_EXT_texture_sRGB
- if (ctx->Extensions.EXT_texture_sRGB) {
- switch (internalFormat) {
- case GL_SRGB_EXT:
- case GL_SRGB8_EXT:
- case GL_COMPRESSED_SRGB_EXT:
- case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
- return GL_RGB;
- case GL_SRGB_ALPHA_EXT:
- case GL_SRGB8_ALPHA8_EXT:
- case GL_COMPRESSED_SRGB_ALPHA_EXT:
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
- return GL_RGBA;
- case GL_SLUMINANCE_ALPHA_EXT:
- case GL_SLUMINANCE8_ALPHA8_EXT:
- case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT:
- return GL_LUMINANCE_ALPHA;
- case GL_SLUMINANCE_EXT:
- case GL_SLUMINANCE8_EXT:
- case GL_COMPRESSED_SLUMINANCE_EXT:
- return GL_LUMINANCE;
- default:
- ; /* fallthrough */
- }
- }
-#endif /* FEATURE_EXT_texture_sRGB */
-
- if (ctx->Extensions.EXT_texture_integer) {
- switch (internalFormat) {
- case GL_RGBA8UI_EXT:
- case GL_RGBA16UI_EXT:
- case GL_RGBA32UI_EXT:
- case GL_RGBA8I_EXT:
- case GL_RGBA16I_EXT:
- case GL_RGBA32I_EXT:
- return GL_RGBA;
- case GL_RGB8UI_EXT:
- case GL_RGB16UI_EXT:
- case GL_RGB32UI_EXT:
- case GL_RGB8I_EXT:
- case GL_RGB16I_EXT:
- case GL_RGB32I_EXT:
- return GL_RGB;
- case GL_ALPHA8UI_EXT:
- case GL_ALPHA16UI_EXT:
- case GL_ALPHA32UI_EXT:
- case GL_ALPHA8I_EXT:
- case GL_ALPHA16I_EXT:
- case GL_ALPHA32I_EXT:
- return GL_ALPHA;
- case GL_INTENSITY8UI_EXT:
- case GL_INTENSITY16UI_EXT:
- case GL_INTENSITY32UI_EXT:
- case GL_INTENSITY8I_EXT:
- case GL_INTENSITY16I_EXT:
- case GL_INTENSITY32I_EXT:
- return GL_INTENSITY;
- case GL_LUMINANCE8UI_EXT:
- case GL_LUMINANCE16UI_EXT:
- case GL_LUMINANCE32UI_EXT:
- case GL_LUMINANCE8I_EXT:
- case GL_LUMINANCE16I_EXT:
- case GL_LUMINANCE32I_EXT:
- return GL_LUMINANCE;
- case GL_LUMINANCE_ALPHA8UI_EXT:
- case GL_LUMINANCE_ALPHA16UI_EXT:
- case GL_LUMINANCE_ALPHA32UI_EXT:
- case GL_LUMINANCE_ALPHA8I_EXT:
- case GL_LUMINANCE_ALPHA16I_EXT:
- case GL_LUMINANCE_ALPHA32I_EXT:
- return GL_LUMINANCE_ALPHA;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.ARB_texture_rg) {
- switch (internalFormat) {
- case GL_R16F:
- /* R16F depends on both ARB_half_float_pixel and ARB_texture_float.
- */
- if (!ctx->Extensions.ARB_half_float_pixel)
- break;
- /* FALLTHROUGH */
- case GL_R32F:
- if (!ctx->Extensions.ARB_texture_float)
- break;
- return GL_RED;
- case GL_R8I:
- case GL_R8UI:
- case GL_R16I:
- case GL_R16UI:
- case GL_R32I:
- case GL_R32UI:
- if (!ctx->Extensions.EXT_texture_integer)
- break;
- /* FALLTHROUGH */
- case GL_R8:
- case GL_R16:
- case GL_RED:
- case GL_COMPRESSED_RED:
- return GL_RED;
-
- case GL_RG16F:
- /* RG16F depends on both ARB_half_float_pixel and ARB_texture_float.
- */
- if (!ctx->Extensions.ARB_half_float_pixel)
- break;
- /* FALLTHROUGH */
- case GL_RG32F:
- if (!ctx->Extensions.ARB_texture_float)
- break;
- return GL_RG;
- case GL_RG8I:
- case GL_RG8UI:
- case GL_RG16I:
- case GL_RG16UI:
- case GL_RG32I:
- case GL_RG32UI:
- if (!ctx->Extensions.EXT_texture_integer)
- break;
- /* FALLTHROUGH */
- case GL_RG:
- case GL_RG8:
- case GL_RG16:
- case GL_COMPRESSED_RG:
- return GL_RG;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.EXT_texture_shared_exponent) {
- switch (internalFormat) {
- case GL_RGB9_E5_EXT:
- return GL_RGB;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.EXT_packed_float) {
- switch (internalFormat) {
- case GL_R11F_G11F_B10F_EXT:
- return GL_RGB;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.ARB_depth_buffer_float) {
- switch (internalFormat) {
- case GL_DEPTH_COMPONENT32F:
- return GL_DEPTH_COMPONENT;
- case GL_DEPTH32F_STENCIL8:
- return GL_DEPTH_STENCIL;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.ARB_texture_compression_rgtc) {
- switch (internalFormat) {
- case GL_COMPRESSED_RED_RGTC1:
- case GL_COMPRESSED_SIGNED_RED_RGTC1:
- return GL_RED;
- case GL_COMPRESSED_RG_RGTC2:
- case GL_COMPRESSED_SIGNED_RG_RGTC2:
- return GL_RG;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.EXT_texture_compression_latc) {
- switch (internalFormat) {
- case GL_COMPRESSED_LUMINANCE_LATC1_EXT:
- case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT:
- return GL_LUMINANCE;
- case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT:
- case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT:
- return GL_LUMINANCE_ALPHA;
- default:
- ; /* fallthrough */
- }
- }
-
- if (ctx->Extensions.ATI_texture_compression_3dc) {
- switch (internalFormat) {
- case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI:
- return GL_LUMINANCE_ALPHA;
- default:
- ; /* fallthrough */
- }
- }
-
- return -1; /* error */
-}
-
-
-/**
- * For cube map faces, return a face index in [0,5].
- * For other targets return 0;
- */
-GLuint
-_mesa_tex_target_to_face(GLenum target)
-{
- if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
- target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB)
- return (GLuint) target - (GLuint) GL_TEXTURE_CUBE_MAP_POSITIVE_X;
- else
- return 0;
-}
-
-
-
-/**
- * Store a gl_texture_image pointer in a gl_texture_object structure
- * according to the target and level parameters.
- *
- * \param tObj texture object.
- * \param target texture target.
- * \param level image level.
- * \param texImage texture image.
- *
- * This was basically prompted by the introduction of cube maps.
- */
-void
-_mesa_set_tex_image(struct gl_texture_object *tObj,
- GLenum target, GLint level,
- struct gl_texture_image *texImage)
-{
- const GLuint face = _mesa_tex_target_to_face(target);
-
- ASSERT(tObj);
- ASSERT(texImage);
- ASSERT(target != GL_TEXTURE_RECTANGLE_NV || level == 0);
-
- tObj->Image[face][level] = texImage;
-
- /* Set the 'back' pointer */
- texImage->TexObject = tObj;
-}
-
-
-/**
- * Allocate a texture image structure.
- *
- * Called via ctx->Driver.NewTextureImage() unless overriden by a device
- * driver.
- *
- * \return a pointer to gl_texture_image struct with all fields initialized to
- * zero.
- */
-struct gl_texture_image *
-_mesa_new_texture_image( struct gl_context *ctx )
-{
- (void) ctx;
- return CALLOC_STRUCT(gl_texture_image);
-}
-
-
-/**
- * Free texture image data.
- * This function is a fallback called via ctx->Driver.FreeTexImageData().
- *
- * \param texImage texture image.
- *
- * Free the texture image data if it's not marked as client data.
- */
-void
-_mesa_free_texture_image_data(struct gl_context *ctx,
- struct gl_texture_image *texImage)
-{
- (void) ctx;
-
- if (texImage->Data && !texImage->IsClientData) {
- /* free the old texture data */
- _mesa_free_texmemory(texImage->Data);
- }
-
- texImage->Data = NULL;
-}
-
-
-/**
- * Free texture image.
- *
- * \param texImage texture image.
- *
- * Free the texture image structure and the associated image data.
- */
-void
-_mesa_delete_texture_image(struct gl_context *ctx,
- struct gl_texture_image *texImage)
-{
- /* Free texImage->Data and/or any other driver-specific texture
- * image storage.
- */
- ASSERT(ctx->Driver.FreeTexImageData);
- ctx->Driver.FreeTexImageData( ctx, texImage );
-
- ASSERT(texImage->Data == NULL);
- if (texImage->ImageOffsets)
- free(texImage->ImageOffsets);
- free(texImage);
-}
-
-
-/**
- * Test if a target is a proxy target.
- *
- * \param target texture target.
- *
- * \return GL_TRUE if the target is a proxy target, GL_FALSE otherwise.
- */
-GLboolean
-_mesa_is_proxy_texture(GLenum target)
-{
- /* NUM_TEXTURE_TARGETS should match number of terms below */
- assert(NUM_TEXTURE_TARGETS == 7);
-
- return (target == GL_PROXY_TEXTURE_1D ||
- target == GL_PROXY_TEXTURE_2D ||
- target == GL_PROXY_TEXTURE_3D ||
- target == GL_PROXY_TEXTURE_CUBE_MAP_ARB ||
- target == GL_PROXY_TEXTURE_RECTANGLE_NV ||
- target == GL_PROXY_TEXTURE_1D_ARRAY_EXT ||
- target == GL_PROXY_TEXTURE_2D_ARRAY_EXT);
-}
-
-
-/**
- * Return the proxy target which corresponds to the given texture target
- */
-static GLenum
-get_proxy_target(GLenum target)
-{
- switch (target) {
- case GL_TEXTURE_1D:
- case GL_PROXY_TEXTURE_1D:
- return GL_PROXY_TEXTURE_1D;
- case GL_TEXTURE_2D:
- case GL_PROXY_TEXTURE_2D:
- return GL_PROXY_TEXTURE_2D;
- case GL_TEXTURE_3D:
- case GL_PROXY_TEXTURE_3D:
- return GL_PROXY_TEXTURE_3D;
- case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
- case GL_TEXTURE_CUBE_MAP_ARB:
- case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
- return GL_PROXY_TEXTURE_CUBE_MAP_ARB;
- case GL_TEXTURE_RECTANGLE_NV:
- case GL_PROXY_TEXTURE_RECTANGLE_NV:
- return GL_PROXY_TEXTURE_RECTANGLE_NV;
- case GL_TEXTURE_1D_ARRAY_EXT:
- case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
- return GL_PROXY_TEXTURE_1D_ARRAY_EXT;
- case GL_TEXTURE_2D_ARRAY_EXT:
- case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
- return GL_PROXY_TEXTURE_2D_ARRAY_EXT;
- default:
- _mesa_problem(NULL, "unexpected target in get_proxy_target()");
- return 0;
- }
-}
-
-
-/**
- * Get the texture object that corresponds to the target of the given
- * texture unit.
- *
- * \param ctx GL context.
- * \param texUnit texture unit.
- * \param target texture target.
- *
- * \return pointer to the texture object on success, or NULL on failure.
- *
- * \sa gl_texture_unit.
- */
-struct gl_texture_object *
-_mesa_select_tex_object(struct gl_context *ctx,
- const struct gl_texture_unit *texUnit,
- GLenum target)
-{
- const GLboolean arrayTex = (ctx->Extensions.MESA_texture_array ||
- ctx->Extensions.EXT_texture_array);
-
- switch (target) {
- case GL_TEXTURE_1D:
- return texUnit->CurrentTex[TEXTURE_1D_INDEX];
- case GL_PROXY_TEXTURE_1D:
- return ctx->Texture.ProxyTex[TEXTURE_1D_INDEX];
- case GL_TEXTURE_2D:
- return texUnit->CurrentTex[TEXTURE_2D_INDEX];
- case GL_PROXY_TEXTURE_2D:
- return ctx->Texture.ProxyTex[TEXTURE_2D_INDEX];
- case GL_TEXTURE_3D:
- return texUnit->CurrentTex[TEXTURE_3D_INDEX];
- case GL_PROXY_TEXTURE_3D:
- return ctx->Texture.ProxyTex[TEXTURE_3D_INDEX];
- case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
- case GL_TEXTURE_CUBE_MAP_ARB:
- return ctx->Extensions.ARB_texture_cube_map
- ? texUnit->CurrentTex[TEXTURE_CUBE_INDEX] : NULL;
- case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
- return ctx->Extensions.ARB_texture_cube_map
- ? ctx->Texture.ProxyTex[TEXTURE_CUBE_INDEX] : NULL;
- case GL_TEXTURE_RECTANGLE_NV:
- return ctx->Extensions.NV_texture_rectangle
- ? texUnit->CurrentTex[TEXTURE_RECT_INDEX] : NULL;
- case GL_PROXY_TEXTURE_RECTANGLE_NV:
- return ctx->Extensions.NV_texture_rectangle
- ? ctx->Texture.ProxyTex[TEXTURE_RECT_INDEX] : NULL;
- case GL_TEXTURE_1D_ARRAY_EXT:
- return arrayTex ? texUnit->CurrentTex[TEXTURE_1D_ARRAY_INDEX] : NULL;
- case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
- return arrayTex ? ctx->Texture.ProxyTex[TEXTURE_1D_ARRAY_INDEX] : NULL;
- case GL_TEXTURE_2D_ARRAY_EXT:
- return arrayTex ? texUnit->CurrentTex[TEXTURE_2D_ARRAY_INDEX] : NULL;
- case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
- return arrayTex ? ctx->Texture.ProxyTex[TEXTURE_2D_ARRAY_INDEX] : NULL;
- default:
- _mesa_problem(NULL, "bad target in _mesa_select_tex_object()");
- return NULL;
- }
-}
-
-
-/**
- * Return pointer to texture object for given target on current texture unit.
- */
-struct gl_texture_object *
-_mesa_get_current_tex_object(struct gl_context *ctx, GLenum target)
-{
- struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
- return _mesa_select_tex_object(ctx, texUnit, target);
-}
-
-
-/**
- * Get a texture image pointer from a texture object, given a texture
- * target and mipmap level. The target and level parameters should
- * have already been error-checked.
- *
- * \param ctx GL context.
- * \param texObj texture unit.
- * \param target texture target.
- * \param level image level.
- *
- * \return pointer to the texture image structure, or NULL on failure.
- */
-struct gl_texture_image *
-_mesa_select_tex_image(struct gl_context *ctx,
- const struct gl_texture_object *texObj,
- GLenum target, GLint level)
-{
- const GLuint face = _mesa_tex_target_to_face(target);
-
- ASSERT(texObj);
- ASSERT(level >= 0);
- ASSERT(level < MAX_TEXTURE_LEVELS);
-
- return texObj->Image[face][level];
-}
-
-
-/**
- * Like _mesa_select_tex_image() but if the image doesn't exist, allocate
- * it and install it. Only return NULL if passed a bad parameter or run
- * out of memory.
- */
-struct gl_texture_image *
-_mesa_get_tex_image(struct gl_context *ctx, struct gl_texture_object *texObj,
- GLenum target, GLint level)
-{
- struct gl_texture_image *texImage;
-
- if (!texObj)
- return NULL;
-
- texImage = _mesa_select_tex_image(ctx, texObj, target, level);
- if (!texImage) {
- texImage = ctx->Driver.NewTextureImage(ctx);
- if (!texImage) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "texture image allocation");
- return NULL;
- }
-
- _mesa_set_tex_image(texObj, target, level, texImage);
- }
-
- return texImage;
-}
-
-
-/**
- * Return pointer to the specified proxy texture image.
- * Note that proxy textures are per-context, not per-texture unit.
- * \return pointer to texture image or NULL if invalid target, invalid
- * level, or out of memory.
- */
-struct gl_texture_image *
-_mesa_get_proxy_tex_image(struct gl_context *ctx, GLenum target, GLint level)
-{
- struct gl_texture_image *texImage;
- GLuint texIndex;
-
- if (level < 0 )
- return NULL;
-
- switch (target) {
- case GL_PROXY_TEXTURE_1D:
- if (level >= ctx->Const.MaxTextureLevels)
- return NULL;
- texIndex = TEXTURE_1D_INDEX;
- break;
- case GL_PROXY_TEXTURE_2D:
- if (level >= ctx->Const.MaxTextureLevels)
- return NULL;
- texIndex = TEXTURE_2D_INDEX;
- break;
- case GL_PROXY_TEXTURE_3D:
- if (level >= ctx->Const.Max3DTextureLevels)
- return NULL;
- texIndex = TEXTURE_3D_INDEX;
- break;
- case GL_PROXY_TEXTURE_CUBE_MAP:
- if (level >= ctx->Const.MaxCubeTextureLevels)
- return NULL;
- texIndex = TEXTURE_CUBE_INDEX;
- break;
- case GL_PROXY_TEXTURE_RECTANGLE_NV:
- if (level > 0)
- return NULL;
- texIndex = TEXTURE_RECT_INDEX;
- break;
- case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
- if (level >= ctx->Const.MaxTextureLevels)
- return NULL;
- texIndex = TEXTURE_1D_ARRAY_INDEX;
- break;
- case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
- if (level >= ctx->Const.MaxTextureLevels)
- return NULL;
- texIndex = TEXTURE_2D_ARRAY_INDEX;
- break;
- default:
- return NULL;
- }
-
- texImage = ctx->Texture.ProxyTex[texIndex]->Image[0][level];
- if (!texImage) {
- texImage = ctx->Driver.NewTextureImage(ctx);
- if (!texImage) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation");
- return NULL;
- }
- ctx->Texture.ProxyTex[texIndex]->Image[0][level] = texImage;
- /* Set the 'back' pointer */
- texImage->TexObject = ctx->Texture.ProxyTex[texIndex];
- }
- return texImage;
-}
-
-
-/**
- * Get the maximum number of allowed mipmap levels.
- *
- * \param ctx GL context.
- * \param target texture target.
- *
- * \return the maximum number of allowed mipmap levels for the given
- * texture target, or zero if passed a bad target.
- *
- * \sa gl_constants.
- */
-GLint
-_mesa_max_texture_levels(struct gl_context *ctx, GLenum target)
-{
- switch (target) {
- case GL_TEXTURE_1D:
- case GL_PROXY_TEXTURE_1D:
- case GL_TEXTURE_2D:
- case GL_PROXY_TEXTURE_2D:
- return ctx->Const.MaxTextureLevels;
- case GL_TEXTURE_3D:
- case GL_PROXY_TEXTURE_3D:
- return ctx->Const.Max3DTextureLevels;
- case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
- case GL_TEXTURE_CUBE_MAP_ARB:
- case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
- return ctx->Extensions.ARB_texture_cube_map
- ? ctx->Const.MaxCubeTextureLevels : 0;
- case GL_TEXTURE_RECTANGLE_NV:
- case GL_PROXY_TEXTURE_RECTANGLE_NV:
- return ctx->Extensions.NV_texture_rectangle ? 1 : 0;
- case GL_TEXTURE_1D_ARRAY_EXT:
- case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
- case GL_TEXTURE_2D_ARRAY_EXT:
- case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
- return (ctx->Extensions.MESA_texture_array ||
- ctx->Extensions.EXT_texture_array)
- ? ctx->Const.MaxTextureLevels : 0;
- default:
- return 0; /* bad target */
- }
-}
-
-
-/**
- * Return number of dimensions per mipmap level for the given texture target.
- */
-GLint
-_mesa_get_texture_dimensions(GLenum target)
-{
- switch (target) {
- case GL_TEXTURE_1D:
- case GL_PROXY_TEXTURE_1D:
- return 1;
- case GL_TEXTURE_2D:
- case GL_TEXTURE_RECTANGLE:
- case GL_TEXTURE_CUBE_MAP:
- case GL_PROXY_TEXTURE_2D:
- case GL_PROXY_TEXTURE_RECTANGLE:
- case GL_PROXY_TEXTURE_CUBE_MAP:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
- case GL_TEXTURE_1D_ARRAY:
- case GL_PROXY_TEXTURE_1D_ARRAY:
- return 2;
- case GL_TEXTURE_3D:
- case GL_PROXY_TEXTURE_3D:
- case GL_TEXTURE_2D_ARRAY:
- case GL_PROXY_TEXTURE_2D_ARRAY:
- return 3;
- default:
- _mesa_problem(NULL, "invalid target 0x%x in get_texture_dimensions()",
- target);
- return 2;
- }
-}
-
-
-
-
-#if 000 /* not used anymore */
-/*
- * glTexImage[123]D can accept a NULL image pointer. In this case we
- * create a texture image with unspecified image contents per the OpenGL
- * spec.
- */
-static GLubyte *
-make_null_texture(GLint width, GLint height, GLint depth, GLenum format)
-{
- const GLint components = _mesa_components_in_format(format);
- const GLint numPixels = width * height * depth;
- GLubyte *data = (GLubyte *) MALLOC(numPixels * components * sizeof(GLubyte));
-
-#ifdef DEBUG
- /*
- * Let's see if anyone finds this. If glTexImage2D() is called with
- * a NULL image pointer then load the texture image with something
- * interesting instead of leaving it indeterminate.
- */
- if (data) {
- static const char message[8][32] = {
- " X X XXXXX XXX X ",
- " XX XX X X X X X ",
- " X X X X X X X ",
- " X X XXXX XXX XXXXX ",
- " X X X X X X ",
- " X X X X X X X ",
- " X X XXXXX XXX X X ",
- " "
- };
-
- GLubyte *imgPtr = data;
- GLint h, i, j, k;
- for (h = 0; h < depth; h++) {
- for (i = 0; i < height; i++) {
- GLint srcRow = 7 - (i % 8);
- for (j = 0; j < width; j++) {
- GLint srcCol = j % 32;
- GLubyte texel = (message[srcRow][srcCol]=='X') ? 255 : 70;
- for (k = 0; k < components; k++) {
- *imgPtr++ = texel;
- }
- }
- }
- }
- }
-#endif
-
- return data;
-}
-#endif
-
-
-
-/**
- * Reset the fields of a gl_texture_image struct to zero.
- *
- * \param img texture image structure.
- *
- * This is called when a proxy texture test fails, we set all the
- * image members (except DriverData) to zero.
- * It's also used in glTexImage[123]D as a safeguard to be sure all
- * required fields get initialized properly by the Driver.TexImage[123]D
- * functions.
- */
-static void
-clear_teximage_fields(struct gl_texture_image *img)
-{
- ASSERT(img);
- img->_BaseFormat = 0;
- img->InternalFormat = 0;
- img->Border = 0;
- img->Width = 0;
- img->Height = 0;
- img->Depth = 0;
- img->RowStride = 0;
- if (img->ImageOffsets) {
- free(img->ImageOffsets);
- img->ImageOffsets = NULL;
- }
- img->Width2 = 0;
- img->Height2 = 0;
- img->Depth2 = 0;
- img->WidthLog2 = 0;
- img->HeightLog2 = 0;
- img->DepthLog2 = 0;
- img->Data = NULL;
- img->TexFormat = MESA_FORMAT_NONE;
- img->FetchTexelc = NULL;
- img->FetchTexelf = NULL;
-}
-
-
-/**
- * Initialize basic fields of the gl_texture_image struct.
- *
- * \param ctx GL context.
- * \param target texture target (GL_TEXTURE_1D, GL_TEXTURE_RECTANGLE, etc).
- * \param img texture image structure to be initialized.
- * \param width image width.
- * \param height image height.
- * \param depth image depth.
- * \param border image border.
- * \param internalFormat internal format.
- * \param format the actual hardware format (one of MESA_FORMAT_*)
- *
- * Fills in the fields of \p img with the given information.
- * Note: width, height and depth include the border.
- */
-void
-_mesa_init_teximage_fields(struct gl_context *ctx, GLenum target,
- struct gl_texture_image *img,
- GLsizei width, GLsizei height, GLsizei depth,
- GLint border, GLenum internalFormat,
- gl_format format)
-{
- GLint i, dims;
-
- ASSERT(img);
- ASSERT(width >= 0);
- ASSERT(height >= 0);
- ASSERT(depth >= 0);
-
- img->_BaseFormat = _mesa_base_tex_format( ctx, internalFormat );
- ASSERT(img->_BaseFormat > 0);
- img->InternalFormat = internalFormat;
- img->Border = border;
- img->Width = width;
- img->Height = height;
- img->Depth = depth;
-
- img->Width2 = width - 2 * border; /* == 1 << img->WidthLog2; */
- img->WidthLog2 = logbase2(img->Width2);
-
- if (height == 1) { /* 1-D texture */
- img->Height2 = 1;
- img->HeightLog2 = 0;
- }
- else {
- img->Height2 = height - 2 * border; /* == 1 << img->HeightLog2; */
- img->HeightLog2 = logbase2(img->Height2);
- }
-
- if (depth == 1) { /* 2-D texture */
- img->Depth2 = 1;
- img->DepthLog2 = 0;
- }
- else {
- img->Depth2 = depth - 2 * border; /* == 1 << img->DepthLog2; */
- img->DepthLog2 = logbase2(img->Depth2);
- }
-
- img->MaxLog2 = MAX2(img->WidthLog2, img->HeightLog2);
-
- if ((width == 1 || _mesa_is_pow_two(img->Width2)) &&
- (height == 1 || _mesa_is_pow_two(img->Height2)) &&
- (depth == 1 || _mesa_is_pow_two(img->Depth2)))
- img->_IsPowerOfTwo = GL_TRUE;
- else
- img->_IsPowerOfTwo = GL_FALSE;
-
- /* RowStride and ImageOffsets[] describe how to address texels in 'Data' */
- img->RowStride = width;
- /* Allocate the ImageOffsets array and initialize to typical values.
- * We allocate the array for 1D/2D textures too in order to avoid special-
- * case code in the texstore routines.
- */
- if (img->ImageOffsets)
- free(img->ImageOffsets);
- img->ImageOffsets = (GLuint *) malloc(depth * sizeof(GLuint));
- for (i = 0; i < depth; i++) {
- img->ImageOffsets[i] = i * width * height;
- }
-
- /* Compute Width/Height/DepthScale for mipmap lod computation */
- if (target == GL_TEXTURE_RECTANGLE_NV) {
- /* scale = 1.0 since texture coords directly map to texels */
- img->WidthScale = 1.0;
- img->HeightScale = 1.0;
- img->DepthScale = 1.0;
- }
- else {
- img->WidthScale = (GLfloat) img->Width;
- img->HeightScale = (GLfloat) img->Height;
- img->DepthScale = (GLfloat) img->Depth;
- }
-
- img->TexFormat = format;
-
- dims = _mesa_get_texture_dimensions(target);
-
- _mesa_set_fetch_functions(img, dims);
-}
-
-
-/**
- * Free and clear fields of the gl_texture_image struct.
- *
- * \param ctx GL context.
- * \param texImage texture image structure to be cleared.
- *
- * After the call, \p texImage will have no data associated with it. Its
- * fields are cleared so that its parent object will test incomplete.
- */
-void
-_mesa_clear_texture_image(struct gl_context *ctx,
- struct gl_texture_image *texImage)
-{
- ctx->Driver.FreeTexImageData(ctx, texImage);
- clear_teximage_fields(texImage);
-}
-
-
-/**
- * This is the fallback for Driver.TestProxyTexImage(). Test the texture
- * level, width, height and depth against the ctx->Const limits for textures.
- *
- * A hardware driver might override this function if, for example, the
- * max 3D texture size is 512x512x64 (i.e. not a cube).
- *
- * Note that width, height, depth == 0 is not an error. However, a
- * texture with zero width/height/depth will be considered "incomplete"
- * and texturing will effectively be disabled.
- *
- * \param target one of GL_PROXY_TEXTURE_1D, GL_PROXY_TEXTURE_2D,
- * GL_PROXY_TEXTURE_3D, GL_PROXY_TEXTURE_RECTANGLE_NV,
- * GL_PROXY_TEXTURE_CUBE_MAP_ARB.
- * \param level as passed to glTexImage
- * \param internalFormat as passed to glTexImage
- * \param format as passed to glTexImage
- * \param type as passed to glTexImage
- * \param width as passed to glTexImage
- * \param height as passed to glTexImage
- * \param depth as passed to glTexImage
- * \param border as passed to glTexImage
- * \return GL_TRUE if the image is acceptable, GL_FALSE if not acceptable.
- */
-GLboolean
-_mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target, GLint level,
- GLint internalFormat, GLenum format, GLenum type,
- GLint width, GLint height, GLint depth, GLint border)
-{
- GLint maxSize;
-
- (void) internalFormat;
- (void) format;
- (void) type;
-
- switch (target) {
- case GL_PROXY_TEXTURE_1D:
- maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
- if (width < 2 * border || width > 2 + maxSize)
- return GL_FALSE;
- if (level >= ctx->Const.MaxTextureLevels)
- return GL_FALSE;
- if (!ctx->Extensions.ARB_texture_non_power_of_two) {
- if (width > 0 && !_mesa_is_pow_two(width - 2 * border))
- return GL_FALSE;
- }
- return GL_TRUE;
-
- case GL_PROXY_TEXTURE_2D:
- maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
- if (width < 2 * border || width > 2 + maxSize)
- return GL_FALSE;
- if (height < 2 * border || height > 2 + maxSize)
- return GL_FALSE;
- if (level >= ctx->Const.MaxTextureLevels)
- return GL_FALSE;
- if (!ctx->Extensions.ARB_texture_non_power_of_two) {
- if (width > 0 && !_mesa_is_pow_two(width - 2 * border))
- return GL_FALSE;
- if (height > 0 && !_mesa_is_pow_two(height - 2 * border))
- return GL_FALSE;
- }
- return GL_TRUE;
-
- case GL_PROXY_TEXTURE_3D:
- maxSize = 1 << (ctx->Const.Max3DTextureLevels - 1);
- if (width < 2 * border || width > 2 + maxSize)
- return GL_FALSE;
- if (height < 2 * border || height > 2 + maxSize)
- return GL_FALSE;
- if (depth < 2 * border || depth > 2 + maxSize)
- return GL_FALSE;
- if (level >= ctx->Const.Max3DTextureLevels)
- return GL_FALSE;
- if (!ctx->Extensions.ARB_texture_non_power_of_two) {
- if (width > 0 && !_mesa_is_pow_two(width - 2 * border))
- return GL_FALSE;
- if (height > 0 && !_mesa_is_pow_two(height - 2 * border))
- return GL_FALSE;
- if (depth > 0 && !_mesa_is_pow_two(depth - 2 * border))
- return GL_FALSE;
- }
- return GL_TRUE;
-
- case GL_PROXY_TEXTURE_RECTANGLE_NV:
- maxSize = ctx->Const.MaxTextureRectSize;
- if (width < 0 || width > maxSize)
- return GL_FALSE;
- if (height < 0 || height > maxSize)
- return GL_FALSE;
- if (level != 0)
- return GL_FALSE;
- return GL_TRUE;
-
- case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
- maxSize = 1 << (ctx->Const.MaxCubeTextureLevels - 1);
- if (width < 2 * border || width > 2 + maxSize)
- return GL_FALSE;
- if (height < 2 * border || height > 2 + maxSize)
- return GL_FALSE;
- if (level >= ctx->Const.MaxCubeTextureLevels)
- return GL_FALSE;
- if (!ctx->Extensions.ARB_texture_non_power_of_two) {
- if (width > 0 && !_mesa_is_pow_two(width - 2 * border))
- return GL_FALSE;
- if (height > 0 && !_mesa_is_pow_two(height - 2 * border))
- return GL_FALSE;
- }
- return GL_TRUE;
-
- case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
- maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
- if (width < 2 * border || width > 2 + maxSize)
- return GL_FALSE;
- if (height < 1 || height > ctx->Const.MaxArrayTextureLayers)
- return GL_FALSE;
- if (level >= ctx->Const.MaxTextureLevels)
- return GL_FALSE;
- if (!ctx->Extensions.ARB_texture_non_power_of_two) {
- if (width > 0 && !_mesa_is_pow_two(width - 2 * border))
- return GL_FALSE;
- }
- return GL_TRUE;
-
- case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
- maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
- if (width < 2 * border || width > 2 + maxSize)
- return GL_FALSE;
- if (height < 2 * border || height > 2 + maxSize)
- return GL_FALSE;
- if (depth < 1 || depth > ctx->Const.MaxArrayTextureLayers)
- return GL_FALSE;
- if (level >= ctx->Const.MaxTextureLevels)
- return GL_FALSE;
- if (!ctx->Extensions.ARB_texture_non_power_of_two) {
- if (width > 0 && !_mesa_is_pow_two(width - 2 * border))
- return GL_FALSE;
- if (height > 0 && !_mesa_is_pow_two(height - 2 * border))
- return GL_FALSE;
- }
- return GL_TRUE;
-
- default:
- _mesa_problem(ctx, "Invalid target in _mesa_test_proxy_teximage");
- return GL_FALSE;
- }
-}
-
-
-/**
- * Check if the memory used by the texture would exceed the driver's limit.
- * This lets us support a max 3D texture size of 8K (for example) but
- * prevents allocating a full 8K x 8K x 8K texture.
- * XXX this could be rolled into the proxy texture size test (above) but
- * we don't have the actual texture internal format at that point.
- */
-static GLboolean
-legal_texture_size(struct gl_context *ctx, gl_format format,
- GLint width, GLint height, GLint depth)
-{
- uint64_t bytes = _mesa_format_image_size64(format, width, height, depth);
- uint64_t mbytes = bytes / (1024 * 1024); /* convert to MB */
- return mbytes <= (uint64_t) ctx->Const.MaxTextureMbytes;
-}
-
-
-
-/**
- * Helper function to determine whether a target and specific compression
- * format are supported.
- */
-static GLboolean
-target_can_be_compressed(const struct gl_context *ctx, GLenum target,
- GLenum intFormat)
-{
- (void) intFormat; /* not used yet */
-
- switch (target) {
- case GL_TEXTURE_2D:
- case GL_PROXY_TEXTURE_2D:
- return GL_TRUE; /* true for any compressed format so far */
- case GL_PROXY_TEXTURE_CUBE_MAP:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
- return ctx->Extensions.ARB_texture_cube_map;
- case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
- case GL_TEXTURE_2D_ARRAY_EXT:
- return (ctx->Extensions.MESA_texture_array ||
- ctx->Extensions.EXT_texture_array);
- default:
- return GL_FALSE;
- }
-}
-
-
-/**
- * Check if the given texture target value is legal for a
- * glTexImage1/2/3D call.
- */
-static GLboolean
-legal_teximage_target(struct gl_context *ctx, GLuint dims, GLenum target)
-{
- switch (dims) {
- case 1:
- switch (target) {
- case GL_TEXTURE_1D:
- case GL_PROXY_TEXTURE_1D:
- return GL_TRUE;
- default:
- return GL_FALSE;
- }
- case 2:
- switch (target) {
- case GL_TEXTURE_2D:
- case GL_PROXY_TEXTURE_2D:
- return GL_TRUE;
- case GL_PROXY_TEXTURE_CUBE_MAP:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
- return ctx->Extensions.ARB_texture_cube_map;
- case GL_TEXTURE_RECTANGLE_NV:
- case GL_PROXY_TEXTURE_RECTANGLE_NV:
- return ctx->Extensions.NV_texture_rectangle;
- case GL_TEXTURE_1D_ARRAY_EXT:
- case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
- return (ctx->Extensions.MESA_texture_array ||
- ctx->Extensions.EXT_texture_array);
- default:
- return GL_FALSE;
- }
- case 3:
- switch (target) {
- case GL_TEXTURE_3D:
- case GL_PROXY_TEXTURE_3D:
- return GL_TRUE;
- case GL_TEXTURE_2D_ARRAY_EXT:
- case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
- return (ctx->Extensions.MESA_texture_array ||
- ctx->Extensions.EXT_texture_array);
- default:
- return GL_FALSE;
- }
- default:
- _mesa_problem(ctx, "invalid dims=%u in legal_teximage_target()", dims);
- return GL_FALSE;
- }
-}
-
-
-/**
- * Check if the given texture target value is legal for a
- * glTexSubImage, glCopyTexSubImage or glCopyTexImage call.
- * The difference compared to legal_teximage_target() above is that
- * proxy targets are not supported.
- */
-static GLboolean
-legal_texsubimage_target(struct gl_context *ctx, GLuint dims, GLenum target)
-{
- switch (dims) {
- case 1:
- return target == GL_TEXTURE_1D;
- case 2:
- switch (target) {
- case GL_TEXTURE_2D:
- return GL_TRUE;
- case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
- return ctx->Extensions.ARB_texture_cube_map;
- case GL_TEXTURE_RECTANGLE_NV:
- return ctx->Extensions.NV_texture_rectangle;
- case GL_TEXTURE_1D_ARRAY_EXT:
- return (ctx->Extensions.MESA_texture_array ||
- ctx->Extensions.EXT_texture_array);
- default:
- return GL_FALSE;
- }
- case 3:
- switch (target) {
- case GL_TEXTURE_3D:
- return GL_TRUE;
- case GL_TEXTURE_2D_ARRAY_EXT:
- return (ctx->Extensions.MESA_texture_array ||
- ctx->Extensions.EXT_texture_array);
- default:
- return GL_FALSE;
- }
- default:
- _mesa_problem(ctx, "invalid dims=%u in legal_texsubimage_target()",
- dims);
- return GL_FALSE;
- }
-}
-
-
-/**
- * Test the glTexImage[123]D() parameters for errors.
- *
- * \param ctx GL context.
- * \param dimensions texture image dimensions (must be 1, 2 or 3).
- * \param target texture target given by the user.
- * \param level image level given by the user.
- * \param internalFormat internal format given by the user.
- * \param format pixel data format given by the user.
- * \param type pixel data type given by the user.
- * \param width image width given by the user.
- * \param height image height given by the user.
- * \param depth image depth given by the user.
- * \param border image border given by the user.
- *
- * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
- *
- * Verifies each of the parameters against the constants specified in
- * __struct gl_contextRec::Const and the supported extensions, and according
- * to the OpenGL specification.
- */
-static GLboolean
-texture_error_check( struct gl_context *ctx,
- GLuint dimensions, GLenum target,
- GLint level, GLint internalFormat,
- GLenum format, GLenum type,
- GLint width, GLint height,
- GLint depth, GLint border )
-{
- const GLenum proxyTarget = get_proxy_target(target);
- const GLboolean isProxy = target == proxyTarget;
- GLboolean sizeOK = GL_TRUE;
- GLboolean colorFormat, indexFormat;
-
- /* Basic level check (more checking in ctx->Driver.TestProxyTexImage) */
- if (level < 0 || level >= MAX_TEXTURE_LEVELS) {
- if (!isProxy) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glTexImage%dD(level=%d)", dimensions, level);
- }
- return GL_TRUE;
- }
-
- /* Check border */
- if (border < 0 || border > 1 ||
- ((target == GL_TEXTURE_RECTANGLE_NV ||
- target == GL_PROXY_TEXTURE_RECTANGLE_NV) && border != 0)) {
- if (!isProxy) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glTexImage%dD(border=%d)", dimensions, border);
- }
- return GL_TRUE;
- }
-
- if (width < 0 || height < 0 || depth < 0) {
- if (!isProxy) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glTexImage%dD(width, height or depth < 0)", dimensions);
- }
- return GL_TRUE;
- }
-
- /* Do this simple check before calling the TestProxyTexImage() function */
- if (proxyTarget == GL_PROXY_TEXTURE_CUBE_MAP_ARB) {
- sizeOK = (width == height);
- }
-
- /*
- * Use the proxy texture driver hook to see if the size/level/etc are
- * legal.
- */
- sizeOK = sizeOK && ctx->Driver.TestProxyTexImage(ctx, proxyTarget, level,
- internalFormat, format,
- type, width, height,
- depth, border);
- if (!sizeOK) {
- if (!isProxy) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glTexImage%dD(level=%d, width=%d, height=%d, depth=%d)",
- dimensions, level, width, height, depth);
- }
- return GL_TRUE;
- }
-
- /* Check internalFormat */
- if (_mesa_base_tex_format(ctx, internalFormat) < 0) {
- if (!isProxy) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glTexImage%dD(internalFormat=%s)",
- dimensions, _mesa_lookup_enum_by_nr(internalFormat));
- }
- return GL_TRUE;
- }
-
- /* Check incoming image format and type */
- if (!_mesa_is_legal_format_and_type(ctx, format, type)) {
- /* Normally, GL_INVALID_OPERATION is generated by a format/type
- * mismatch (see the 1.2 spec page 94, sec 3.6.4.). But with the
- * GL_EXT_texture_integer extension, some combinations should generate
- * GL_INVALID_ENUM instead (grr!).
- */
- if (!isProxy) {
- GLenum error = _mesa_is_integer_format(format)
- ? GL_INVALID_ENUM : GL_INVALID_OPERATION;
- _mesa_error(ctx, error,
- "glTexImage%dD(incompatible format 0x%x, type 0x%x)",
- dimensions, format, type);
- }
- return GL_TRUE;
- }
-
- /* make sure internal format and format basically agree */
- colorFormat = _mesa_is_color_format(format);
- indexFormat = _mesa_is_index_format(format);
- if ((_mesa_is_color_format(internalFormat) && !colorFormat && !indexFormat) ||
- (_mesa_is_index_format(internalFormat) && !indexFormat) ||
- (_mesa_is_depth_format(internalFormat) != _mesa_is_depth_format(format)) ||
- (_mesa_is_ycbcr_format(internalFormat) != _mesa_is_ycbcr_format(format)) ||
- (_mesa_is_depthstencil_format(internalFormat) != _mesa_is_depthstencil_format(format)) ||
- (_mesa_is_dudv_format(internalFormat) != _mesa_is_dudv_format(format))) {
- if (!isProxy)
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glTexImage%dD(incompatible internalFormat 0x%x, format 0x%x)",
- dimensions, internalFormat, format);
- return GL_TRUE;
- }
-
- /* additional checks for ycbcr textures */
- if (internalFormat == GL_YCBCR_MESA) {
- ASSERT(ctx->Extensions.MESA_ycbcr_texture);
- if (type != GL_UNSIGNED_SHORT_8_8_MESA &&
- type != GL_UNSIGNED_SHORT_8_8_REV_MESA) {
- char message[100];
- _mesa_snprintf(message, sizeof(message),
- "glTexImage%dD(format/type YCBCR mismatch", dimensions);
- _mesa_error(ctx, GL_INVALID_ENUM, "%s", message);
- return GL_TRUE; /* error */
- }
- if (target != GL_TEXTURE_2D &&
- target != GL_PROXY_TEXTURE_2D &&
- target != GL_TEXTURE_RECTANGLE_NV &&
- target != GL_PROXY_TEXTURE_RECTANGLE_NV) {
- if (!isProxy)
- _mesa_error(ctx, GL_INVALID_ENUM, "glTexImage(target)");
- return GL_TRUE;
- }
- if (border != 0) {
- if (!isProxy) {
- char message[100];
- _mesa_snprintf(message, sizeof(message),
- "glTexImage%dD(format=GL_YCBCR_MESA and border=%d)",
- dimensions, border);
- _mesa_error(ctx, GL_INVALID_VALUE, "%s", message);
- }
- return GL_TRUE;
- }
- }
-
- /* additional checks for depth textures */
- if (_mesa_base_tex_format(ctx, internalFormat) == GL_DEPTH_COMPONENT) {
- /* Only 1D, 2D and rectangular textures supported, not 3D or cubes */
- if (target != GL_TEXTURE_1D &&
- target != GL_PROXY_TEXTURE_1D &&
- target != GL_TEXTURE_2D &&
- target != GL_PROXY_TEXTURE_2D &&
- target != GL_TEXTURE_RECTANGLE_ARB &&
- target != GL_PROXY_TEXTURE_RECTANGLE_ARB) {
- if (!isProxy)
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexImage(target/internalFormat)");
- return GL_TRUE;
- }
- }
-
- /* additional checks for compressed textures */
- if (_mesa_is_compressed_format(ctx, internalFormat)) {
- if (!target_can_be_compressed(ctx, target, internalFormat)) {
- if (!isProxy)
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glTexImage%dD(target)", dimensions);
- return GL_TRUE;
- }
- if (border != 0) {
- if (!isProxy) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glTexImage%dD(border!=0)", dimensions);
- }
- return GL_TRUE;
- }
- }
-
- /* additional checks for integer textures */
- if (ctx->Extensions.EXT_texture_integer &&
- (_mesa_is_integer_format(format) !=
- _mesa_is_integer_format(internalFormat))) {
- if (!isProxy) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glTexImage%dD(integer/non-integer format mismatch)",
- dimensions);
- }
- return GL_TRUE;
- }
-
- /* if we get here, the parameters are OK */
- return GL_FALSE;
-}
-
-
-/**
- * Test glTexSubImage[123]D() parameters for errors.
- *
- * \param ctx GL context.
- * \param dimensions texture image dimensions (must be 1, 2 or 3).
- * \param target texture target given by the user.
- * \param level image level given by the user.
- * \param xoffset sub-image x offset given by the user.
- * \param yoffset sub-image y offset given by the user.
- * \param zoffset sub-image z offset given by the user.
- * \param format pixel data format given by the user.
- * \param type pixel data type given by the user.
- * \param width image width given by the user.
- * \param height image height given by the user.
- * \param depth image depth given by the user.
- *
- * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
- *
- * Verifies each of the parameters against the constants specified in
- * __struct gl_contextRec::Const and the supported extensions, and according
- * to the OpenGL specification.
- */
-static GLboolean
-subtexture_error_check( struct gl_context *ctx, GLuint dimensions,
- GLenum target, GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLint width, GLint height, GLint depth,
- GLenum format, GLenum type )
-{
- /* Basic level check */
- if (level < 0 || level >= MAX_TEXTURE_LEVELS) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glTexSubImage2D(level=%d)", level);
- return GL_TRUE;
- }
-
- /* Check for negative sizes */
- if (width < 0) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glTexSubImage%dD(width=%d)", dimensions, width);
- return GL_TRUE;
- }
- if (height < 0 && dimensions > 1) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glTexSubImage%dD(height=%d)", dimensions, height);
- return GL_TRUE;
- }
- if (depth < 0 && dimensions > 2) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glTexSubImage%dD(depth=%d)", dimensions, depth);
- return GL_TRUE;
- }
-
- if (!_mesa_is_legal_format_and_type(ctx, format, type)) {
- /* As with the glTexImage2D check above, the error code here
- * depends on texture integer.
- */
- GLenum error = _mesa_is_integer_format(format)
- ? GL_INVALID_OPERATION : GL_INVALID_ENUM;
- _mesa_error(ctx, error,
- "glTexSubImage%dD(incompatible format 0x%x, type 0x%x)",
- dimensions, format, type);
- return GL_TRUE;
- }
-
- return GL_FALSE;
-}
-
-
-/**
- * Do second part of glTexSubImage which depends on the destination texture.
- * \return GL_TRUE if error recorded, GL_FALSE otherwise
- */
-static GLboolean
-subtexture_error_check2( struct gl_context *ctx, GLuint dimensions,
- GLenum target, GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLint width, GLint height, GLint depth,
- GLenum format, GLenum type,
- const struct gl_texture_image *destTex )
-{
- if (!destTex) {
- /* undefined image level */
- _mesa_error(ctx, GL_INVALID_OPERATION, "glTexSubImage%dD", dimensions);
- return GL_TRUE;
- }
-
- if (xoffset < -((GLint)destTex->Border)) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(xoffset)",
- dimensions);
- return GL_TRUE;
- }
- if (xoffset + width > (GLint) (destTex->Width + destTex->Border)) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(xoffset+width)",
- dimensions);
- return GL_TRUE;
- }
- if (dimensions > 1) {
- if (yoffset < -((GLint)destTex->Border)) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(yoffset)",
- dimensions);
- return GL_TRUE;
- }
- if (yoffset + height > (GLint) (destTex->Height + destTex->Border)) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(yoffset+height)",
- dimensions);
- return GL_TRUE;
- }
- }
- if (dimensions > 2) {
- if (zoffset < -((GLint)destTex->Border)) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage3D(zoffset)");
- return GL_TRUE;
- }
- if (zoffset + depth > (GLint) (destTex->Depth + destTex->Border)) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage3D(zoffset+depth)");
- return GL_TRUE;
- }
- }
-
- if (_mesa_is_format_compressed(destTex->TexFormat)) {
- GLuint bw, bh;
-
- /* do tests which depend on compression block size */
- _mesa_get_format_block_size(destTex->TexFormat, &bw, &bh);
-
- /* offset must be multiple of block size */
- if ((xoffset % bw != 0) || (yoffset % bh != 0)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glTexSubImage%dD(xoffset = %d, yoffset = %d)",
- dimensions, xoffset, yoffset);
- return GL_TRUE;
- }
- /* size must be multiple of bw by bh or equal to whole texture size */
- if ((width % bw != 0) && (GLuint) width != destTex->Width) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glTexSubImage%dD(width = %d)", dimensions, width);
- return GL_TRUE;
- }
- if ((height % bh != 0) && (GLuint) height != destTex->Height) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glTexSubImage%dD(height = %d)", dimensions, height);
- return GL_TRUE;
- }
- }
-
- return GL_FALSE;
-}
-
-
-/**
- * Test glCopyTexImage[12]D() parameters for errors.
- *
- * \param ctx GL context.
- * \param dimensions texture image dimensions (must be 1, 2 or 3).
- * \param target texture target given by the user.
- * \param level image level given by the user.
- * \param internalFormat internal format given by the user.
- * \param width image width given by the user.
- * \param height image height given by the user.
- * \param border texture border.
- *
- * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
- *
- * Verifies each of the parameters against the constants specified in
- * __struct gl_contextRec::Const and the supported extensions, and according
- * to the OpenGL specification.
- */
-static GLboolean
-copytexture_error_check( struct gl_context *ctx, GLuint dimensions,
- GLenum target, GLint level, GLint internalFormat,
- GLint width, GLint height, GLint border )
-{
- const GLenum proxyTarget = get_proxy_target(target);
- const GLenum type = GL_FLOAT;
- GLboolean sizeOK;
- GLint format;
-
- /* check target */
- if (!legal_texsubimage_target(ctx, dimensions, target)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glCopyTexImage%uD(target=%s)",
- dimensions, _mesa_lookup_enum_by_nr(target));
- return GL_TRUE;
- }
-
- /* Basic level check (more checking in ctx->Driver.TestProxyTexImage) */
- if (level < 0 || level >= MAX_TEXTURE_LEVELS) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyTexImage%dD(level=%d)", dimensions, level);
- return GL_TRUE;
- }
-
- /* Check that the source buffer is complete */
- if (ctx->ReadBuffer->Name) {
- if (ctx->ReadBuffer->_Status == 0) {
- _mesa_test_framebuffer_completeness(ctx, ctx->ReadBuffer);
- }
- if (ctx->ReadBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
- _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
- "glCopyTexImage%dD(invalid readbuffer)", dimensions);
- return GL_TRUE;
- }
- }
-
- /* Check border */
- if (border < 0 || border > 1 ||
- ((target == GL_TEXTURE_RECTANGLE_NV ||
- target == GL_PROXY_TEXTURE_RECTANGLE_NV) && border != 0)) {
- return GL_TRUE;
- }
-
- format = _mesa_base_tex_format(ctx, internalFormat);
- if (format < 0) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyTexImage%dD(internalFormat)", dimensions);
- return GL_TRUE;
- }
-
- if (!_mesa_source_buffer_exists(ctx, format)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glCopyTexImage%dD(missing readbuffer)", dimensions);
- return GL_TRUE;
- }
-
- /* Do size, level checking */
- sizeOK = (proxyTarget == GL_PROXY_TEXTURE_CUBE_MAP_ARB)
- ? (width == height) : 1;
-
- sizeOK = sizeOK && ctx->Driver.TestProxyTexImage(ctx, proxyTarget, level,
- internalFormat, format,
- type, width, height,
- 1, border);
-
- if (!sizeOK) {
- if (dimensions == 1) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyTexImage1D(width=%d)", width);
- }
- else {
- ASSERT(dimensions == 2);
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyTexImage2D(width=%d, height=%d)", width, height);
- }
- return GL_TRUE;
- }
-
- if (_mesa_is_compressed_format(ctx, internalFormat)) {
- if (!target_can_be_compressed(ctx, target, internalFormat)) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glCopyTexImage%dD(target)", dimensions);
- return GL_TRUE;
- }
- if (border != 0) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glCopyTexImage%dD(border!=0)", dimensions);
- return GL_TRUE;
- }
- }
- else if (_mesa_is_depth_format(internalFormat)) {
- /* make sure we have depth/stencil buffers */
- if (!ctx->ReadBuffer->_DepthBuffer) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glCopyTexImage%dD(no depth)", dimensions);
- return GL_TRUE;
- }
- }
- else if (_mesa_is_depthstencil_format(internalFormat)) {
- /* make sure we have depth/stencil buffers */
- if (!ctx->ReadBuffer->_DepthBuffer || !ctx->ReadBuffer->_StencilBuffer) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glCopyTexImage%dD(no depth/stencil buffer)", dimensions);
- return GL_TRUE;
- }
- }
-
- /* if we get here, the parameters are OK */
- return GL_FALSE;
-}
-
-
-/**
- * Test glCopyTexSubImage[12]D() parameters for errors.
- * Note that this is the first part of error checking.
- * See also copytexsubimage_error_check2() below for the second part.
- *
- * \param ctx GL context.
- * \param dimensions texture image dimensions (must be 1, 2 or 3).
- * \param target texture target given by the user.
- * \param level image level given by the user.
- *
- * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
- */
-static GLboolean
-copytexsubimage_error_check1( struct gl_context *ctx, GLuint dimensions,
- GLenum target, GLint level)
-{
- /* Check that the source buffer is complete */
- if (ctx->ReadBuffer->Name) {
- if (ctx->ReadBuffer->_Status == 0) {
- _mesa_test_framebuffer_completeness(ctx, ctx->ReadBuffer);
- }
- if (ctx->ReadBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
- _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
- "glCopyTexImage%dD(invalid readbuffer)", dimensions);
- return GL_TRUE;
- }
- }
-
- /* check target (proxies not allowed) */
- if (!legal_texsubimage_target(ctx, dimensions, target)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glCopyTexSubImage%uD(target=%s)",
- dimensions, _mesa_lookup_enum_by_nr(target));
- return GL_TRUE;
- }
-
- /* Check level */
- if (level < 0 || level >= MAX_TEXTURE_LEVELS) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyTexSubImage%dD(level=%d)", dimensions, level);
- return GL_TRUE;
- }
-
- return GL_FALSE;
-}
-
-
-/**
- * Second part of error checking for glCopyTexSubImage[12]D().
- * \param xoffset sub-image x offset given by the user.
- * \param yoffset sub-image y offset given by the user.
- * \param zoffset sub-image z offset given by the user.
- * \param width image width given by the user.
- * \param height image height given by the user.
- */
-static GLboolean
-copytexsubimage_error_check2( struct gl_context *ctx, GLuint dimensions,
- GLenum target, GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLsizei width, GLsizei height,
- const struct gl_texture_image *teximage )
-{
- /* check that dest tex image exists */
- if (!teximage) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glCopyTexSubImage%dD(undefined texture level: %d)",
- dimensions, level);
- return GL_TRUE;
- }
-
- /* Check size */
- if (width < 0) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyTexSubImage%dD(width=%d)", dimensions, width);
- return GL_TRUE;
- }
- if (dimensions > 1 && height < 0) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyTexSubImage%dD(height=%d)", dimensions, height);
- return GL_TRUE;
- }
-
- /* check x/y offsets */
- if (xoffset < -((GLint)teximage->Border)) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyTexSubImage%dD(xoffset=%d)", dimensions, xoffset);
- return GL_TRUE;
- }
- if (xoffset + width > (GLint) (teximage->Width + teximage->Border)) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyTexSubImage%dD(xoffset+width)", dimensions);
- return GL_TRUE;
- }
- if (dimensions > 1) {
- if (yoffset < -((GLint)teximage->Border)) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyTexSubImage%dD(yoffset=%d)", dimensions, yoffset);
- return GL_TRUE;
- }
- /* NOTE: we're adding the border here, not subtracting! */
- if (yoffset + height > (GLint) (teximage->Height + teximage->Border)) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyTexSubImage%dD(yoffset+height)", dimensions);
- return GL_TRUE;
- }
- }
-
- /* check z offset */
- if (dimensions > 2) {
- if (zoffset < -((GLint)teximage->Border)) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyTexSubImage%dD(zoffset)", dimensions);
- return GL_TRUE;
- }
- if (zoffset > (GLint) (teximage->Depth + teximage->Border)) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyTexSubImage%dD(zoffset+depth)", dimensions);
- return GL_TRUE;
- }
- }
-
- if (_mesa_is_format_compressed(teximage->TexFormat)) {
- /* offset must be multiple of 4 */
- if ((xoffset & 3) || (yoffset & 3)) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyTexSubImage%dD(xoffset or yoffset)", dimensions);
- return GL_TRUE;
- }
- /* size must be multiple of 4 */
- if ((width & 3) != 0 && (GLuint) width != teximage->Width) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyTexSubImage%dD(width)", dimensions);
- return GL_TRUE;
- }
- if ((height & 3) != 0 && (GLuint) height != teximage->Height) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCopyTexSubImage%dD(height)", dimensions);
- return GL_TRUE;
- }
- }
-
- if (teximage->InternalFormat == GL_YCBCR_MESA) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glCopyTexSubImage2D");
- return GL_TRUE;
- }
-
- if (!_mesa_source_buffer_exists(ctx, teximage->_BaseFormat)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glCopyTexSubImage%dD(missing readbuffer, format=0x%x)",
- dimensions, teximage->_BaseFormat);
- return GL_TRUE;
- }
-
- if (teximage->_BaseFormat == GL_DEPTH_COMPONENT) {
- if (!ctx->ReadBuffer->_DepthBuffer) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glCopyTexSubImage%dD(no depth buffer)",
- dimensions);
- return GL_TRUE;
- }
- }
- else if (teximage->_BaseFormat == GL_DEPTH_STENCIL_EXT) {
- if (!ctx->ReadBuffer->_DepthBuffer || !ctx->ReadBuffer->_StencilBuffer) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glCopyTexSubImage%dD(no depth/stencil buffer)",
- dimensions);
- return GL_TRUE;
- }
- }
-
- /* If copying into an integer texture, the source buffer must also be
- * integer-valued.
- */
- if (_mesa_is_format_integer_color(teximage->TexFormat)) {
- struct gl_renderbuffer *rb = ctx->ReadBuffer->_ColorReadBuffer;
- if (!_mesa_is_format_integer_color(rb->Format)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glCopyTexSubImage%dD(source buffer is not integer format)",
- dimensions);
- return GL_TRUE;
- }
- }
-
- /* if we get here, the parameters are OK */
- return GL_FALSE;
-}
-
-
-/** Callback info for walking over FBO hash table */
-struct cb_info
-{
- struct gl_context *ctx;
- struct gl_texture_object *texObj;
- GLuint level, face;
-};
-
-
-/**
- * Check render to texture callback. Called from _mesa_HashWalk().
- */
-static void
-check_rtt_cb(GLuint key, void *data, void *userData)
-{
- struct gl_framebuffer *fb = (struct gl_framebuffer *) data;
- const struct cb_info *info = (struct cb_info *) userData;
- struct gl_context *ctx = info->ctx;
- const struct gl_texture_object *texObj = info->texObj;
- const GLuint level = info->level, face = info->face;
-
- /* If this is a user-created FBO */
- if (fb->Name) {
- GLuint i;
- /* check if any of the FBO's attachments point to 'texObj' */
- for (i = 0; i < BUFFER_COUNT; i++) {
- struct gl_renderbuffer_attachment *att = fb->Attachment + i;
- if (att->Type == GL_TEXTURE &&
- att->Texture == texObj &&
- att->TextureLevel == level &&
- att->CubeMapFace == face) {
- ASSERT(att->Texture->Image[att->CubeMapFace][att->TextureLevel]);
- /* Tell driver about the new renderbuffer texture */
- ctx->Driver.RenderTexture(ctx, ctx->DrawBuffer, att);
- /* Mark fb status as indeterminate to force re-validation */
- fb->_Status = 0;
- }
- }
- }
-}
-
-
-/**
- * When a texture image is specified we have to check if it's bound to
- * any framebuffer objects (render to texture) in order to detect changes
- * in size or format since that effects FBO completeness.
- * Any FBOs rendering into the texture must be re-validated.
- */
-static void
-update_fbo_texture(struct gl_context *ctx, struct gl_texture_object *texObj,
- GLuint face, GLuint level)
-{
- /* Only check this texture if it's been marked as RenderToTexture */
- if (texObj->_RenderToTexture) {
- struct cb_info info;
- info.ctx = ctx;
- info.texObj = texObj;
- info.level = level;
- info.face = face;
- _mesa_HashWalk(ctx->Shared->FrameBuffers, check_rtt_cb, &info);
- }
-}
-
-
-/**
- * If the texture object's GenerateMipmap flag is set and we've
- * changed the texture base level image, regenerate the rest of the
- * mipmap levels now.
- */
-static INLINE void
-check_gen_mipmap(struct gl_context *ctx, GLenum target,
- struct gl_texture_object *texObj, GLint level)
-{
- ASSERT(target != GL_TEXTURE_CUBE_MAP);
- if (texObj->GenerateMipmap &&
- level == texObj->BaseLevel &&
- level < texObj->MaxLevel) {
- ASSERT(ctx->Driver.GenerateMipmap);
- ctx->Driver.GenerateMipmap(ctx, target, texObj);
- }
-}
-
-
-/** Debug helper: override the user-requested internal format */
-static GLenum
-override_internal_format(GLenum internalFormat, GLint width, GLint height)
-{
-#if 0
- if (internalFormat == GL_RGBA16F_ARB ||
- internalFormat == GL_RGBA32F_ARB) {
- printf("Convert rgba float tex to int %d x %d\n", width, height);
- return GL_RGBA;
- }
- else if (internalFormat == GL_RGB16F_ARB ||
- internalFormat == GL_RGB32F_ARB) {
- printf("Convert rgb float tex to int %d x %d\n", width, height);
- return GL_RGB;
- }
- else if (internalFormat == GL_LUMINANCE_ALPHA16F_ARB ||
- internalFormat == GL_LUMINANCE_ALPHA32F_ARB) {
- printf("Convert luminance float tex to int %d x %d\n", width, height);
- return GL_LUMINANCE_ALPHA;
- }
- else if (internalFormat == GL_LUMINANCE16F_ARB ||
- internalFormat == GL_LUMINANCE32F_ARB) {
- printf("Convert luminance float tex to int %d x %d\n", width, height);
- return GL_LUMINANCE;
- }
- else if (internalFormat == GL_ALPHA16F_ARB ||
- internalFormat == GL_ALPHA32F_ARB) {
- printf("Convert luminance float tex to int %d x %d\n", width, height);
- return GL_ALPHA;
- }
- /*
- else if (internalFormat == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT) {
- internalFormat = GL_RGBA;
- }
- */
- else {
- return internalFormat;
- }
-#else
- return internalFormat;
-#endif
-}
-
-
-/**
- * Choose the actual hardware format for a texture image.
- * Try to use the same format as the previous image level when possible.
- * Otherwise, ask the driver for the best format.
- * It's important to try to choose a consistant format for all levels
- * for efficient texture memory layout/allocation. In particular, this
- * comes up during automatic mipmap generation.
- */
-gl_format
-_mesa_choose_texture_format(struct gl_context *ctx,
- struct gl_texture_object *texObj,
- GLenum target, GLint level,
- GLenum internalFormat, GLenum format, GLenum type)
-{
- gl_format f;
-
- /* see if we've already chosen a format for the previous level */
- if (level > 0) {
- struct gl_texture_image *prevImage =
- _mesa_select_tex_image(ctx, texObj, target, level - 1);
- /* See if the prev level is defined and has an internal format which
- * matches the new internal format.
- */
- if (prevImage &&
- prevImage->Width > 0 &&
- prevImage->InternalFormat == internalFormat) {
- /* use the same format */
- ASSERT(prevImage->TexFormat != MESA_FORMAT_NONE);
- return prevImage->TexFormat;
- }
- }
-
- /* choose format from scratch */
- f = ctx->Driver.ChooseTextureFormat(ctx, internalFormat, format, type);
- ASSERT(f != MESA_FORMAT_NONE);
- return f;
-}
-
-
-/**
- * Common code to implement all the glTexImage1D/2D/3D functions.
- */
-static void
-teximage(struct gl_context *ctx, GLuint dims,
- GLenum target, GLint level, GLint internalFormat,
- GLsizei width, GLsizei height, GLsizei depth,
- GLint border, GLenum format, GLenum type,
- const GLvoid *pixels)
-{
- GLboolean error;
-
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
- _mesa_debug(ctx, "glTexImage%uD %s %d %s %d %d %d %d %s %s %p\n",
- dims,
- _mesa_lookup_enum_by_nr(target), level,
- _mesa_lookup_enum_by_nr(internalFormat),
- width, height, depth, border,
- _mesa_lookup_enum_by_nr(format),
- _mesa_lookup_enum_by_nr(type), pixels);
-
- internalFormat = override_internal_format(internalFormat, width, height);
-
- /* target error checking */
- if (!legal_teximage_target(ctx, dims, target)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glTexImage%uD(target=%s)",
- dims, _mesa_lookup_enum_by_nr(target));
- return;
- }
-
- /* general error checking */
- error = texture_error_check(ctx, dims, target, level, internalFormat,
- format, type, width, height, depth, border);
-
- if (_mesa_is_proxy_texture(target)) {
- /* Proxy texture: just clear or set state depending on error checking */
- struct gl_texture_image *texImage =
- _mesa_get_proxy_tex_image(ctx, target, level);
-
- if (error) {
- /* when error, clear all proxy texture image parameters */
- if (texImage)
- clear_teximage_fields(texImage);
- }
- else {
- /* no error, set the tex image parameters */
- struct gl_texture_object *texObj =
- _mesa_get_current_tex_object(ctx, target);
- gl_format texFormat = _mesa_choose_texture_format(ctx, texObj,
- target, level,
- internalFormat,
- format, type);
-
- if (legal_texture_size(ctx, texFormat, width, height, depth)) {
- _mesa_init_teximage_fields(ctx, target, texImage, width, height,
- depth, border, internalFormat,
- texFormat);
- }
- else if (texImage) {
- clear_teximage_fields(texImage);
- }
- }
- }
- else {
- /* non-proxy target */
- const GLuint face = _mesa_tex_target_to_face(target);
- struct gl_texture_object *texObj;
- struct gl_texture_image *texImage;
-
- if (error) {
- return; /* error was recorded */
- }
-
- if (ctx->NewState & _NEW_PIXEL)
- _mesa_update_state(ctx);
-
- texObj = _mesa_get_current_tex_object(ctx, target);
-
- _mesa_lock_texture(ctx, texObj);
- {
- texImage = _mesa_get_tex_image(ctx, texObj, target, level);
-
- if (!texImage) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage%uD", dims);
- }
- else {
- gl_format texFormat;
-
- if (texImage->Data) {
- ctx->Driver.FreeTexImageData( ctx, texImage );
- }
-
- ASSERT(texImage->Data == NULL);
- texFormat = _mesa_choose_texture_format(ctx, texObj, target, level,
- internalFormat, format,
- type);
-
- if (legal_texture_size(ctx, texFormat, width, height, depth)) {
- _mesa_init_teximage_fields(ctx, target, texImage,
- width, height, depth,
- border, internalFormat, texFormat);
-
- /* Give the texture to the driver. <pixels> may be null. */
- ASSERT(ctx->Driver.TexImage3D);
- switch (dims) {
- case 1:
- ctx->Driver.TexImage1D(ctx, target, level, internalFormat,
- width, border, format,
- type, pixels, &ctx->Unpack, texObj,
- texImage);
- break;
- case 2:
- ctx->Driver.TexImage2D(ctx, target, level, internalFormat,
- width, height, border, format,
- type, pixels, &ctx->Unpack, texObj,
- texImage);
- break;
- case 3:
- ctx->Driver.TexImage3D(ctx, target, level, internalFormat,
- width, height, depth, border, format,
- type, pixels, &ctx->Unpack, texObj,
- texImage);
- break;
- default:
- _mesa_problem(ctx, "invalid dims=%u in teximage()", dims);
- }
-
- check_gen_mipmap(ctx, target, texObj, level);
-
- update_fbo_texture(ctx, texObj, face, level);
-
- /* state update */
- texObj->_Complete = GL_FALSE;
- ctx->NewState |= _NEW_TEXTURE;
- }
- else {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage%uD", dims);
- }
- }
- }
- _mesa_unlock_texture(ctx, texObj);
- }
-}
-
-
-/*
- * Called from the API. Note that width includes the border.
- */
-void GLAPIENTRY
-_mesa_TexImage1D( GLenum target, GLint level, GLint internalFormat,
- GLsizei width, GLint border, GLenum format,
- GLenum type, const GLvoid *pixels )
-{
- GET_CURRENT_CONTEXT(ctx);
- teximage(ctx, 1, target, level, internalFormat, width, 1, 1,
- border, format, type, pixels);
-}
-
-
-void GLAPIENTRY
-_mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat,
- GLsizei width, GLsizei height, GLint border,
- GLenum format, GLenum type,
- const GLvoid *pixels )
-{
- GET_CURRENT_CONTEXT(ctx);
- teximage(ctx, 2, target, level, internalFormat, width, height, 1,
- border, format, type, pixels);
-}
-
-
-/*
- * Called by the API or display list executor.
- * Note that width and height include the border.
- */
-void GLAPIENTRY
-_mesa_TexImage3D( GLenum target, GLint level, GLint internalFormat,
- GLsizei width, GLsizei height, GLsizei depth,
- GLint border, GLenum format, GLenum type,
- const GLvoid *pixels )
-{
- GET_CURRENT_CONTEXT(ctx);
- teximage(ctx, 3, target, level, internalFormat, width, height, depth,
- border, format, type, pixels);
-}
-
-
-void GLAPIENTRY
-_mesa_TexImage3DEXT( GLenum target, GLint level, GLenum internalFormat,
- GLsizei width, GLsizei height, GLsizei depth,
- GLint border, GLenum format, GLenum type,
- const GLvoid *pixels )
-{
- _mesa_TexImage3D(target, level, (GLint) internalFormat, width, height,
- depth, border, format, type, pixels);
-}
-
-
-#if FEATURE_OES_EGL_image
-void GLAPIENTRY
-_mesa_EGLImageTargetTexture2DOES (GLenum target, GLeglImageOES image)
-{
- struct gl_texture_object *texObj;
- struct gl_texture_image *texImage;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (!ctx->Extensions.OES_EGL_image) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glEGLImageTargetTexture2DOES(unsupported)");
- return;
- }
-
- if (target != GL_TEXTURE_2D) {
- _mesa_error(ctx, GL_INVALID_ENUM,
- "glEGLImageTargetTexture2D(target=%d)", target);
- return;
- }
-
- if (ctx->NewState & _NEW_PIXEL)
- _mesa_update_state(ctx);
-
- texObj = _mesa_get_current_tex_object(ctx, target);
- _mesa_lock_texture(ctx, texObj);
-
- texImage = _mesa_get_tex_image(ctx, texObj, target, 0);
- if (!texImage) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glEGLImageTargetTexture2D");
- } else {
- if (texImage->Data)
- ctx->Driver.FreeTexImageData( ctx, texImage );
-
- ASSERT(texImage->Data == NULL);
- ctx->Driver.EGLImageTargetTexture2D(ctx, target,
- texObj, texImage, image);
-
- /* state update */
- texObj->_Complete = GL_FALSE;
- ctx->NewState |= _NEW_TEXTURE;
- }
- _mesa_unlock_texture(ctx, texObj);
-
-}
-#endif
-
-
-
-/**
- * Implement all the glTexSubImage1/2/3D() functions.
- */
-static void
-texsubimage(struct gl_context *ctx, GLuint dims, GLenum target, GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLsizei width, GLsizei height, GLsizei depth,
- GLenum format, GLenum type, const GLvoid *pixels )
-{
- struct gl_texture_object *texObj;
- struct gl_texture_image *texImage;
-
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
- _mesa_debug(ctx, "glTexSubImage%uD %s %d %d %d %d %d %d %d %s %s %p\n",
- dims,
- _mesa_lookup_enum_by_nr(target), level,
- xoffset, yoffset, zoffset, width, height, depth,
- _mesa_lookup_enum_by_nr(format),
- _mesa_lookup_enum_by_nr(type), pixels);
-
- /* check target (proxies not allowed) */
- if (!legal_texsubimage_target(ctx, dims, target)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glTexSubImage%uD(target=%s)",
- dims, _mesa_lookup_enum_by_nr(target));
- return;
- }
-
- if (ctx->NewState & _NEW_PIXEL)
- _mesa_update_state(ctx);
-
- if (subtexture_error_check(ctx, dims, target, level, xoffset, yoffset, zoffset,
- width, height, depth, format, type)) {
- return; /* error was detected */
- }
-
- texObj = _mesa_get_current_tex_object(ctx, target);
-
- _mesa_lock_texture(ctx, texObj);
- {
- texImage = _mesa_select_tex_image(ctx, texObj, target, level);
-
- if (subtexture_error_check2(ctx, dims, target, level,
- xoffset, yoffset, zoffset,
- width, height, depth,
- format, type, texImage)) {
- /* error was recorded */
- }
- else if (width > 0 && height > 0 && height > 0) {
- /* If we have a border, offset=-1 is legal. Bias by border width. */
- switch (dims) {
- case 3:
- zoffset += texImage->Border;
- /* fall-through */
- case 2:
- yoffset += texImage->Border;
- /* fall-through */
- case 1:
- xoffset += texImage->Border;
- }
-
- switch (dims) {
- case 1:
- ctx->Driver.TexSubImage1D(ctx, target, level,
- xoffset, width,
- format, type, pixels,
- &ctx->Unpack, texObj, texImage );
- break;
- case 2:
- ctx->Driver.TexSubImage2D(ctx, target, level,
- xoffset, yoffset, width, height,
- format, type, pixels,
- &ctx->Unpack, texObj, texImage );
- break;
- case 3:
- ctx->Driver.TexSubImage3D(ctx, target, level,
- xoffset, yoffset, zoffset,
- width, height, depth,
- format, type, pixels,
- &ctx->Unpack, texObj, texImage );
- break;
- default:
- _mesa_problem(ctx, "unexpected dims in subteximage()");
- }
-
- check_gen_mipmap(ctx, target, texObj, level);
-
- ctx->NewState |= _NEW_TEXTURE;
- }
- }
- _mesa_unlock_texture(ctx, texObj);
-}
-
-
-void GLAPIENTRY
-_mesa_TexSubImage1D( GLenum target, GLint level,
- GLint xoffset, GLsizei width,
- GLenum format, GLenum type,
- const GLvoid *pixels )
-{
- GET_CURRENT_CONTEXT(ctx);
- texsubimage(ctx, 1, target, level,
- xoffset, 0, 0,
- width, 1, 1,
- format, type, pixels);
-}
-
-
-void GLAPIENTRY
-_mesa_TexSubImage2D( GLenum target, GLint level,
- GLint xoffset, GLint yoffset,
- GLsizei width, GLsizei height,
- GLenum format, GLenum type,
- const GLvoid *pixels )
-{
- GET_CURRENT_CONTEXT(ctx);
- texsubimage(ctx, 2, target, level,
- xoffset, yoffset, 0,
- width, height, 1,
- format, type, pixels);
-}
-
-
-
-void GLAPIENTRY
-_mesa_TexSubImage3D( GLenum target, GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLsizei width, GLsizei height, GLsizei depth,
- GLenum format, GLenum type,
- const GLvoid *pixels )
-{
- GET_CURRENT_CONTEXT(ctx);
- texsubimage(ctx, 3, target, level,
- xoffset, yoffset, zoffset,
- width, height, depth,
- format, type, pixels);
-}
-
-
-
-/**
- * Implement the glCopyTexImage1/2D() functions.
- */
-static void
-copyteximage(struct gl_context *ctx, GLuint dims,
- GLenum target, GLint level, GLenum internalFormat,
- GLint x, GLint y, GLsizei width, GLsizei height, GLint border )
-{
- struct gl_texture_object *texObj;
- struct gl_texture_image *texImage;
- const GLuint face = _mesa_tex_target_to_face(target);
-
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
- _mesa_debug(ctx, "glCopyTexImage%uD %s %d %s %d %d %d %d %d\n",
- dims,
- _mesa_lookup_enum_by_nr(target), level,
- _mesa_lookup_enum_by_nr(internalFormat),
- x, y, width, height, border);
-
- if (ctx->NewState & NEW_COPY_TEX_STATE)
- _mesa_update_state(ctx);
-
- if (copytexture_error_check(ctx, dims, target, level, internalFormat,
- width, height, border))
- return;
-
- texObj = _mesa_get_current_tex_object(ctx, target);
-
- _mesa_lock_texture(ctx, texObj);
- {
- texImage = _mesa_get_tex_image(ctx, texObj, target, level);
-
- if (!texImage) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage%uD", dims);
- }
- else {
- gl_format texFormat;
-
- if (texImage->Data) {
- ctx->Driver.FreeTexImageData( ctx, texImage );
- }
-
- ASSERT(texImage->Data == NULL);
-
- texFormat = _mesa_choose_texture_format(ctx, texObj, target, level,
- internalFormat, GL_NONE,
- GL_NONE);
-
- if (legal_texture_size(ctx, texFormat, width, height, 1)) {
- _mesa_init_teximage_fields(ctx, target, texImage, width, height, 1,
- border, internalFormat, texFormat);
-
- ASSERT(ctx->Driver.CopyTexImage2D);
- if (dims == 1)
- ctx->Driver.CopyTexImage1D(ctx, target, level, internalFormat,
- x, y, width, border);
- else
- ctx->Driver.CopyTexImage2D(ctx, target, level, internalFormat,
- x, y, width, height, border);
-
- check_gen_mipmap(ctx, target, texObj, level);
-
- update_fbo_texture(ctx, texObj, face, level);
-
- /* state update */
- texObj->_Complete = GL_FALSE;
- ctx->NewState |= _NEW_TEXTURE;
- }
- else {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage%uD", dims);
- }
- }
- }
- _mesa_unlock_texture(ctx, texObj);
-}
-
-
-
-void GLAPIENTRY
-_mesa_CopyTexImage1D( GLenum target, GLint level,
- GLenum internalFormat,
- GLint x, GLint y,
- GLsizei width, GLint border )
-{
- GET_CURRENT_CONTEXT(ctx);
- copyteximage(ctx, 1, target, level, internalFormat, x, y, width, 1, border);
-}
-
-
-
-void GLAPIENTRY
-_mesa_CopyTexImage2D( GLenum target, GLint level, GLenum internalFormat,
- GLint x, GLint y, GLsizei width, GLsizei height,
- GLint border )
-{
- GET_CURRENT_CONTEXT(ctx);
- copyteximage(ctx, 2, target, level, internalFormat,
- x, y, width, height, border);
-}
-
-
-
-/**
- * Implementation for glCopyTexSubImage1/2/3D() functions.
- */
-static void
-copytexsubimage(struct gl_context *ctx, GLuint dims, GLenum target, GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLint x, GLint y, GLsizei width, GLsizei height)
-{
- struct gl_texture_object *texObj;
- struct gl_texture_image *texImage;
-
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
- _mesa_debug(ctx, "glCopyTexSubImage%uD %s %d %d %d %d %d %d %d %d\n",
- dims,
- _mesa_lookup_enum_by_nr(target),
- level, xoffset, yoffset, zoffset, x, y, width, height);
-
- if (ctx->NewState & NEW_COPY_TEX_STATE)
- _mesa_update_state(ctx);
-
- if (copytexsubimage_error_check1(ctx, dims, target, level))
- return;
-
- texObj = _mesa_get_current_tex_object(ctx, target);
-
- _mesa_lock_texture(ctx, texObj);
- {
- texImage = _mesa_select_tex_image(ctx, texObj, target, level);
-
- if (copytexsubimage_error_check2(ctx, dims, target, level, xoffset, yoffset,
- zoffset, width, height, texImage)) {
- /* error was recored */
- }
- else {
- /* If we have a border, offset=-1 is legal. Bias by border width. */
- switch (dims) {
- case 3:
- zoffset += texImage->Border;
- /* fall-through */
- case 2:
- yoffset += texImage->Border;
- /* fall-through */
- case 1:
- xoffset += texImage->Border;
- }
-
- if (_mesa_clip_copytexsubimage(ctx, &xoffset, &yoffset, &x, &y,
- &width, &height)) {
- switch (dims) {
- case 1:
- ctx->Driver.CopyTexSubImage1D(ctx, target, level,
- xoffset, x, y, width);
- break;
- case 2:
- ctx->Driver.CopyTexSubImage2D(ctx, target, level,
- xoffset, yoffset,
- x, y, width, height);
- break;
- case 3:
- ctx->Driver.CopyTexSubImage3D(ctx, target, level,
- xoffset, yoffset, zoffset,
- x, y, width, height);
- break;
- default:
- _mesa_problem(ctx, "bad dims in copytexsubimage()");
- }
-
- check_gen_mipmap(ctx, target, texObj, level);
-
- ctx->NewState |= _NEW_TEXTURE;
- }
- }
- }
- _mesa_unlock_texture(ctx, texObj);
-}
-
-
-void GLAPIENTRY
-_mesa_CopyTexSubImage1D( GLenum target, GLint level,
- GLint xoffset, GLint x, GLint y, GLsizei width )
-{
- GET_CURRENT_CONTEXT(ctx);
- copytexsubimage(ctx, 1, target, level, xoffset, 0, 0, x, y, width, 1);
-}
-
-
-
-void GLAPIENTRY
-_mesa_CopyTexSubImage2D( GLenum target, GLint level,
- GLint xoffset, GLint yoffset,
- GLint x, GLint y, GLsizei width, GLsizei height )
-{
- GET_CURRENT_CONTEXT(ctx);
- copytexsubimage(ctx, 2, target, level, xoffset, yoffset, 0, x, y,
- width, height);
-}
-
-
-
-void GLAPIENTRY
-_mesa_CopyTexSubImage3D( GLenum target, GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLint x, GLint y, GLsizei width, GLsizei height )
-{
- GET_CURRENT_CONTEXT(ctx);
- copytexsubimage(ctx, 3, target, level, xoffset, yoffset, zoffset,
- x, y, width, height);
-}
-
-
-
-
-/**********************************************************************/
-/****** Compressed Textures ******/
-/**********************************************************************/
-
-
-/**
- * Return expected size of a compressed texture.
- */
-static GLuint
-compressed_tex_size(GLsizei width, GLsizei height, GLsizei depth,
- GLenum glformat)
-{
- gl_format mesaFormat = _mesa_glenum_to_compressed_format(glformat);
- return _mesa_format_image_size(mesaFormat, width, height, depth);
-}
-
-
-/*
- * Return compressed texture block size, in pixels.
- */
-static void
-get_compressed_block_size(GLenum glformat, GLuint *bw, GLuint *bh)
-{
- gl_format mesaFormat = _mesa_glenum_to_compressed_format(glformat);
- _mesa_get_format_block_size(mesaFormat, bw, bh);
-}
-
-
-/**
- * Error checking for glCompressedTexImage[123]D().
- * \return error code or GL_NO_ERROR.
- */
-static GLenum
-compressed_texture_error_check(struct gl_context *ctx, GLint dimensions,
- GLenum target, GLint level,
- GLenum internalFormat, GLsizei width,
- GLsizei height, GLsizei depth, GLint border,
- GLsizei imageSize)
-{
- const GLenum proxyTarget = get_proxy_target(target);
- const GLint maxLevels = _mesa_max_texture_levels(ctx, target);
- GLint expectedSize;
-
- /* check level */
- if (level < 0 || level >= maxLevels)
- return GL_INVALID_VALUE;
-
- if (!target_can_be_compressed(ctx, target, internalFormat)) {
- return GL_INVALID_ENUM;
- }
-
- /* This will detect any invalid internalFormat value */
- if (!_mesa_is_compressed_format(ctx, internalFormat))
- return GL_INVALID_ENUM;
-
- /* This should really never fail */
- if (_mesa_base_tex_format(ctx, internalFormat) < 0)
- return GL_INVALID_ENUM;
-
- /* No compressed formats support borders at this time */
- if (border != 0)
- return GL_INVALID_VALUE;
-
- /* For cube map, width must equal height */
- if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
- target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB && width != height)
- return GL_INVALID_VALUE;
-
- /* check image size against compression block size */
- {
- gl_format texFormat =
- ctx->Driver.ChooseTextureFormat(ctx, internalFormat,
- GL_NONE, GL_NONE);
- GLuint bw, bh;
-
- _mesa_get_format_block_size(texFormat, &bw, &bh);
- if ((width > bw && width % bw > 0) ||
- (height > bh && height % bh > 0)) {
- /*
- * Per GL_ARB_texture_compression: GL_INVALID_OPERATION is
- * generated [...] if any parameter combinations are not
- * supported by the specific compressed internal format.
- */
- return GL_INVALID_OPERATION;
- }
- }
-
- /* check image sizes */
- if (!ctx->Driver.TestProxyTexImage(ctx, proxyTarget, level,
- internalFormat, GL_NONE, GL_NONE,
- width, height, depth, border)) {
- /* See error comment above */
- return GL_INVALID_OPERATION;
- }
-
- /* check image size in bytes */
- expectedSize = compressed_tex_size(width, height, depth, internalFormat);
- if (expectedSize != imageSize) {
- /* Per GL_ARB_texture_compression: GL_INVALID_VALUE is generated [...]
- * if <imageSize> is not consistent with the format, dimensions, and
- * contents of the specified image.
- */
- return GL_INVALID_VALUE;
- }
-
- return GL_NO_ERROR;
-}
-
-
-/**
- * Error checking for glCompressedTexSubImage[123]D().
- * \warning There are some bad assumptions here about the size of compressed
- * texture tiles (multiple of 4) used to test the validity of the
- * offset and size parameters.
- * \return error code or GL_NO_ERROR.
- */
-static GLenum
-compressed_subtexture_error_check(struct gl_context *ctx, GLint dimensions,
- GLenum target, GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLsizei width, GLsizei height, GLsizei depth,
- GLenum format, GLsizei imageSize)
-{
- GLint expectedSize, maxLevels = 0, maxTextureSize;
- GLuint bw, bh;
- (void) zoffset;
-
- if (dimensions == 1) {
- /* 1D compressed textures not allowed */
- return GL_INVALID_ENUM;
- }
- else if (dimensions == 2) {
- if (target == GL_PROXY_TEXTURE_2D) {
- maxLevels = ctx->Const.MaxTextureLevels;
- }
- else if (target == GL_TEXTURE_2D) {
- maxLevels = ctx->Const.MaxTextureLevels;
- }
- else if (target == GL_PROXY_TEXTURE_CUBE_MAP_ARB) {
- if (!ctx->Extensions.ARB_texture_cube_map)
- return GL_INVALID_ENUM; /*target*/
- maxLevels = ctx->Const.MaxCubeTextureLevels;
- }
- else if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
- target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) {
- if (!ctx->Extensions.ARB_texture_cube_map)
- return GL_INVALID_ENUM; /*target*/
- maxLevels = ctx->Const.MaxCubeTextureLevels;
- }
- else {
- return GL_INVALID_ENUM; /*target*/
- }
- }
- else if (dimensions == 3) {
- /* 3D compressed textures not allowed */
- return GL_INVALID_ENUM;
- }
-
- maxTextureSize = 1 << (maxLevels - 1);
-
- /* this will catch any invalid compressed format token */
- if (!_mesa_is_compressed_format(ctx, format))
- return GL_INVALID_ENUM;
-
- if (width < 1 || width > maxTextureSize)
- return GL_INVALID_VALUE;
-
- if ((height < 1 || height > maxTextureSize)
- && dimensions > 1)
- return GL_INVALID_VALUE;
-
- if (level < 0 || level >= maxLevels)
- return GL_INVALID_VALUE;
-
- /*
- * do checks which depend on compression block size
- */
- get_compressed_block_size(format, &bw, &bh);
-
- if ((xoffset % bw != 0) || (yoffset % bh != 0))
- return GL_INVALID_VALUE;
-
- if ((width % bw != 0) && width != 2 && width != 1)
- return GL_INVALID_VALUE;
-
- if ((height % bh != 0) && height != 2 && height != 1)
- return GL_INVALID_VALUE;
-
- expectedSize = compressed_tex_size(width, height, depth, format);
- if (expectedSize != imageSize)
- return GL_INVALID_VALUE;
-
- return GL_NO_ERROR;
-}
-
-
-/**
- * Do second part of glCompressedTexSubImage error checking.
- * \return GL_TRUE if error found, GL_FALSE otherwise.
- */
-static GLboolean
-compressed_subtexture_error_check2(struct gl_context *ctx, GLuint dims,
- GLsizei width, GLsizei height,
- GLsizei depth, GLenum format,
- struct gl_texture_image *texImage)
-{
-
- if ((GLint) format != texImage->InternalFormat) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glCompressedTexSubImage%uD(format=0x%x)", dims, format);
- return GL_TRUE;
- }
-
- if (((width == 1 || width == 2) &&
- width != (GLsizei) texImage->Width) ||
- (width > (GLsizei) texImage->Width)) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCompressedTexSubImage%uD(width=%d)", dims, width);
- return GL_TRUE;
- }
-
- if (dims >= 2) {
- if (((height == 1 || height == 2) &&
- height != (GLsizei) texImage->Height) ||
- (height > (GLsizei) texImage->Height)) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCompressedTexSubImage%uD(height=%d)", dims, height);
- return GL_TRUE;
- }
- }
-
- if (dims >= 3) {
- if (((depth == 1 || depth == 2) &&
- depth != (GLsizei) texImage->Depth) ||
- (depth > (GLsizei) texImage->Depth)) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glCompressedTexSubImage%uD(depth=%d)", dims, depth);
- return GL_TRUE;
- }
- }
-
- return GL_FALSE;
-}
-
-
-/**
- * Implementation of the glCompressedTexImage1/2/3D() functions.
- */
-static void
-compressedteximage(struct gl_context *ctx, GLuint dims,
- GLenum target, GLint level,
- GLenum internalFormat, GLsizei width,
- GLsizei height, GLsizei depth, GLint border,
- GLsizei imageSize, const GLvoid *data)
-{
- GLenum error;
-
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
- _mesa_debug(ctx,
- "glCompressedTexImage%uDARB %s %d %s %d %d %d %d %d %p\n",
- dims,
- _mesa_lookup_enum_by_nr(target), level,
- _mesa_lookup_enum_by_nr(internalFormat),
- width, height, depth, border, imageSize, data);
-
- /* check target */
- if (!legal_teximage_target(ctx, dims, target)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glCompressedTexImage%uD(target=%s)",
- dims, _mesa_lookup_enum_by_nr(target));
- return;
- }
-
- error = compressed_texture_error_check(ctx, dims, target, level,
- internalFormat, width, height, depth,
- border, imageSize);
-
-#if FEATURE_ES
- /* XXX this is kind of a hack */
- if (error) {
- _mesa_error(ctx, error, "glTexImage2D");
- return;
- }
-
- if (dims == 2) {
- switch (internalFormat) {
- case GL_PALETTE4_RGB8_OES:
- case GL_PALETTE4_RGBA8_OES:
- case GL_PALETTE4_R5_G6_B5_OES:
- case GL_PALETTE4_RGBA4_OES:
- case GL_PALETTE4_RGB5_A1_OES:
- case GL_PALETTE8_RGB8_OES:
- case GL_PALETTE8_RGBA8_OES:
- case GL_PALETTE8_R5_G6_B5_OES:
- case GL_PALETTE8_RGBA4_OES:
- case GL_PALETTE8_RGB5_A1_OES:
- _mesa_cpal_compressed_teximage2d(target, level, internalFormat,
- width, height, imageSize, data);
- return;
- }
- }
-#endif
-
- if (_mesa_is_proxy_texture(target)) {
- /* Proxy texture: just check for errors and update proxy state */
- struct gl_texture_image *texImage;
-
- if (!error) {
- struct gl_texture_object *texObj =
- _mesa_get_current_tex_object(ctx, target);
- gl_format texFormat =
- _mesa_choose_texture_format(ctx, texObj, target, level,
- internalFormat, GL_NONE, GL_NONE);
- if (!legal_texture_size(ctx, texFormat, width, height, depth)) {
- error = GL_OUT_OF_MEMORY;
- }
- }
-
- texImage = _mesa_get_proxy_tex_image(ctx, target, level);
- if (texImage) {
- if (error) {
- /* if error, clear all proxy texture image parameters */
- clear_teximage_fields(texImage);
- }
- else {
- /* no error: store the teximage parameters */
- _mesa_init_teximage_fields(ctx, target, texImage, width, height,
- depth, border, internalFormat,
- MESA_FORMAT_NONE);
- }
- }
- }
- else {
- /* non-proxy target */
- struct gl_texture_object *texObj;
- struct gl_texture_image *texImage;
-
- if (error) {
- _mesa_error(ctx, error, "glCompressedTexImage%uD", dims);
- return;
- }
-
- texObj = _mesa_get_current_tex_object(ctx, target);
-
- _mesa_lock_texture(ctx, texObj);
- {
- texImage = _mesa_get_tex_image(ctx, texObj, target, level);
- if (!texImage) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY,
- "glCompressedTexImage%uD", dims);
- }
- else {
- gl_format texFormat;
-
- if (texImage->Data) {
- ctx->Driver.FreeTexImageData( ctx, texImage );
- }
- ASSERT(texImage->Data == NULL);
-
- texFormat = _mesa_choose_texture_format(ctx, texObj, target, level,
- internalFormat, GL_NONE,
- GL_NONE);
-
- if (legal_texture_size(ctx, texFormat, width, height, depth)) {
- _mesa_init_teximage_fields(ctx, target, texImage,
- width, height, depth,
- border, internalFormat, texFormat);
-
- switch (dims) {
- case 1:
- ASSERT(ctx->Driver.CompressedTexImage1D);
- ctx->Driver.CompressedTexImage1D(ctx, target, level,
- internalFormat,
- width,
- border, imageSize, data,
- texObj, texImage);
- break;
- case 2:
- ASSERT(ctx->Driver.CompressedTexImage2D);
- ctx->Driver.CompressedTexImage2D(ctx, target, level,
- internalFormat,
- width, height,
- border, imageSize, data,
- texObj, texImage);
- break;
- case 3:
- ASSERT(ctx->Driver.CompressedTexImage3D);
- ctx->Driver.CompressedTexImage3D(ctx, target, level,
- internalFormat,
- width, height, depth,
- border, imageSize, data,
- texObj, texImage);
- break;
- default:
- _mesa_problem(ctx, "bad dims in compressedteximage");
- }
-
- check_gen_mipmap(ctx, target, texObj, level);
-
- /* state update */
- texObj->_Complete = GL_FALSE;
- ctx->NewState |= _NEW_TEXTURE;
- }
- else {
- _mesa_error(ctx, GL_OUT_OF_MEMORY,
- "glCompressedTexImage%uD", dims);
- }
- }
- }
- _mesa_unlock_texture(ctx, texObj);
- }
-}
-
-
-void GLAPIENTRY
-_mesa_CompressedTexImage1DARB(GLenum target, GLint level,
- GLenum internalFormat, GLsizei width,
- GLint border, GLsizei imageSize,
- const GLvoid *data)
-{
- GET_CURRENT_CONTEXT(ctx);
- compressedteximage(ctx, 1, target, level, internalFormat,
- width, 1, 1, border, imageSize, data);
-}
-
-
-void GLAPIENTRY
-_mesa_CompressedTexImage2DARB(GLenum target, GLint level,
- GLenum internalFormat, GLsizei width,
- GLsizei height, GLint border, GLsizei imageSize,
- const GLvoid *data)
-{
- GET_CURRENT_CONTEXT(ctx);
- compressedteximage(ctx, 2, target, level, internalFormat,
- width, height, 1, border, imageSize, data);
-}
-
-
-void GLAPIENTRY
-_mesa_CompressedTexImage3DARB(GLenum target, GLint level,
- GLenum internalFormat, GLsizei width,
- GLsizei height, GLsizei depth, GLint border,
- GLsizei imageSize, const GLvoid *data)
-{
- GET_CURRENT_CONTEXT(ctx);
- compressedteximage(ctx, 3, target, level, internalFormat,
- width, height, depth, border, imageSize, data);
-}
-
-
-/**
- * Common helper for glCompressedTexSubImage1/2/3D().
- */
-static void
-compressed_tex_sub_image(GLuint dims, GLenum target, GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLsizei width, GLsizei height, GLsizei depth,
- GLenum format, GLsizei imageSize, const GLvoid *data)
-{
- struct gl_texture_object *texObj;
- struct gl_texture_image *texImage;
- GLenum error;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- error = compressed_subtexture_error_check(ctx, dims, target, level,
- xoffset, 0, 0, /* pos */
- width, height, depth, /* size */
- format, imageSize);
- if (error) {
- _mesa_error(ctx, error, "glCompressedTexSubImage%uD", dims);
- return;
- }
-
- texObj = _mesa_get_current_tex_object(ctx, target);
-
- _mesa_lock_texture(ctx, texObj);
- {
- texImage = _mesa_select_tex_image(ctx, texObj, target, level);
- assert(texImage);
-
- if (compressed_subtexture_error_check2(ctx, dims, width, height, depth,
- format, texImage)) {
- /* error was recorded */
- }
- else if (width > 0 && height > 0 && depth > 0) {
- switch (dims) {
- case 1:
- if (ctx->Driver.CompressedTexSubImage1D) {
- ctx->Driver.CompressedTexSubImage1D(ctx, target, level,
- xoffset, width,
- format, imageSize, data,
- texObj, texImage);
- }
- break;
- case 2:
- if (ctx->Driver.CompressedTexSubImage2D) {
- ctx->Driver.CompressedTexSubImage2D(ctx, target, level,
- xoffset, yoffset,
- width, height,
- format, imageSize, data,
- texObj, texImage);
- }
- break;
- case 3:
- if (ctx->Driver.CompressedTexSubImage3D) {
- ctx->Driver.CompressedTexSubImage3D(ctx, target, level,
- xoffset, yoffset, zoffset,
- width, height, depth,
- format, imageSize, data,
- texObj, texImage);
- }
- break;
- default:
- ;
- }
-
- check_gen_mipmap(ctx, target, texObj, level);
-
- ctx->NewState |= _NEW_TEXTURE;
- }
- }
- _mesa_unlock_texture(ctx, texObj);
-}
-
-
-void GLAPIENTRY
-_mesa_CompressedTexSubImage1DARB(GLenum target, GLint level, GLint xoffset,
- GLsizei width, GLenum format,
- GLsizei imageSize, const GLvoid *data)
-{
- compressed_tex_sub_image(1, target, level, xoffset, 0, 0, width, 1, 1,
- format, imageSize, data);
-}
-
-
-void GLAPIENTRY
-_mesa_CompressedTexSubImage2DARB(GLenum target, GLint level, GLint xoffset,
- GLint yoffset, GLsizei width, GLsizei height,
- GLenum format, GLsizei imageSize,
- const GLvoid *data)
-{
- compressed_tex_sub_image(2, target, level, xoffset, yoffset, 0,
- width, height, 1, format, imageSize, data);
-}
-
-
-void GLAPIENTRY
-_mesa_CompressedTexSubImage3DARB(GLenum target, GLint level, GLint xoffset,
- GLint yoffset, GLint zoffset, GLsizei width,
- GLsizei height, GLsizei depth, GLenum format,
- GLsizei imageSize, const GLvoid *data)
-{
- compressed_tex_sub_image(3, target, level, xoffset, yoffset, zoffset,
- width, height, depth, format, imageSize, data);
-}
+/*
+ * mesa 3-D graphics library
+ * Version: 7.6
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/**
+ * \file teximage.c
+ * Texture image-related functions.
+ */
+
+
+#include "glheader.h"
+#include "bufferobj.h"
+#include "context.h"
+#include "enums.h"
+#include "fbobject.h"
+#include "framebuffer.h"
+#include "hash.h"
+#include "image.h"
+#include "imports.h"
+#include "macros.h"
+#include "mfeatures.h"
+#include "state.h"
+#include "texcompress.h"
+#include "texfetch.h"
+#include "teximage.h"
+#include "texstate.h"
+#include "texpal.h"
+#include "mtypes.h"
+
+
+/**
+ * State changes which we care about for glCopyTex[Sub]Image() calls.
+ * In particular, we care about pixel transfer state and buffer state
+ * (such as glReadBuffer to make sure we read from the right renderbuffer).
+ */
+#define NEW_COPY_TEX_STATE (_NEW_BUFFERS | _NEW_PIXEL)
+
+
+
+/**
+ * We allocate texture memory on 512-byte boundaries so we can use MMX/SSE
+ * elsewhere.
+ */
+void *
+_mesa_alloc_texmemory(GLsizei bytes)
+{
+ return _mesa_align_malloc(bytes, 512);
+}
+
+
+/**
+ * Free texture memory allocated with _mesa_alloc_texmemory()
+ */
+void
+_mesa_free_texmemory(void *m)
+{
+ _mesa_align_free(m);
+}
+
+
+/*
+ * Compute floor(log_base_2(n)).
+ * If n < 0 return -1.
+ */
+static int
+logbase2( int n )
+{
+ GLint i = 1;
+ GLint log2 = 0;
+
+ if (n < 0)
+ return -1;
+
+ if (n == 0)
+ return 0;
+
+ while ( n > i ) {
+ i *= 2;
+ log2++;
+ }
+ if (i != n) {
+ return log2 - 1;
+ }
+ else {
+ return log2;
+ }
+}
+
+
+
+/**
+ * Return the simple base format for a given internal texture format.
+ * For example, given GL_LUMINANCE12_ALPHA4, return GL_LUMINANCE_ALPHA.
+ *
+ * \param ctx GL context.
+ * \param internalFormat the internal texture format token or 1, 2, 3, or 4.
+ *
+ * \return the corresponding \u base internal format (GL_ALPHA, GL_LUMINANCE,
+ * GL_LUMANCE_ALPHA, GL_INTENSITY, GL_RGB, or GL_RGBA), or -1 if invalid enum.
+ *
+ * This is the format which is used during texture application (i.e. the
+ * texture format and env mode determine the arithmetic used.
+ *
+ * XXX this could be static
+ */
+GLint
+_mesa_base_tex_format( struct gl_context *ctx, GLint internalFormat )
+{
+ switch (internalFormat) {
+ case GL_ALPHA:
+ case GL_ALPHA4:
+ case GL_ALPHA8:
+ case GL_ALPHA12:
+ case GL_ALPHA16:
+ return GL_ALPHA;
+ case 1:
+ case GL_LUMINANCE:
+ case GL_LUMINANCE4:
+ case GL_LUMINANCE8:
+ case GL_LUMINANCE12:
+ case GL_LUMINANCE16:
+ return GL_LUMINANCE;
+ case 2:
+ case GL_LUMINANCE_ALPHA:
+ case GL_LUMINANCE4_ALPHA4:
+ case GL_LUMINANCE6_ALPHA2:
+ case GL_LUMINANCE8_ALPHA8:
+ case GL_LUMINANCE12_ALPHA4:
+ case GL_LUMINANCE12_ALPHA12:
+ case GL_LUMINANCE16_ALPHA16:
+ return GL_LUMINANCE_ALPHA;
+ case GL_INTENSITY:
+ case GL_INTENSITY4:
+ case GL_INTENSITY8:
+ case GL_INTENSITY12:
+ case GL_INTENSITY16:
+ return GL_INTENSITY;
+ case 3:
+ case GL_RGB:
+ case GL_R3_G3_B2:
+ case GL_RGB4:
+ case GL_RGB5:
+ case GL_RGB8:
+ case GL_RGB10:
+ case GL_RGB12:
+ case GL_RGB16:
+ return GL_RGB;
+ case 4:
+ case GL_RGBA:
+ case GL_RGBA2:
+ case GL_RGBA4:
+ case GL_RGB5_A1:
+ case GL_RGBA8:
+ case GL_RGB10_A2:
+ case GL_RGBA12:
+ case GL_RGBA16:
+ return GL_RGBA;
+ default:
+ ; /* fallthrough */
+ }
+
+ if (ctx->Extensions.EXT_texture_format_BGRA8888) {
+ switch (internalFormat) {
+ case GL_BGRA_EXT:
+ return GL_RGBA;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (ctx->Extensions.EXT_paletted_texture) {
+ switch (internalFormat) {
+ case GL_COLOR_INDEX:
+ case GL_COLOR_INDEX1_EXT:
+ case GL_COLOR_INDEX2_EXT:
+ case GL_COLOR_INDEX4_EXT:
+ case GL_COLOR_INDEX8_EXT:
+ case GL_COLOR_INDEX12_EXT:
+ case GL_COLOR_INDEX16_EXT:
+ return GL_COLOR_INDEX;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (ctx->Extensions.ARB_depth_texture) {
+ switch (internalFormat) {
+ case GL_DEPTH_COMPONENT:
+ case GL_DEPTH_COMPONENT16:
+ case GL_DEPTH_COMPONENT24:
+ case GL_DEPTH_COMPONENT32:
+ return GL_DEPTH_COMPONENT;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ switch (internalFormat) {
+ case GL_COMPRESSED_ALPHA:
+ return GL_ALPHA;
+ case GL_COMPRESSED_LUMINANCE:
+ return GL_LUMINANCE;
+ case GL_COMPRESSED_LUMINANCE_ALPHA:
+ return GL_LUMINANCE_ALPHA;
+ case GL_COMPRESSED_INTENSITY:
+ return GL_INTENSITY;
+ case GL_COMPRESSED_RGB:
+ return GL_RGB;
+ case GL_COMPRESSED_RGBA:
+ return GL_RGBA;
+ default:
+ ; /* fallthrough */
+ }
+
+ if (ctx->Extensions.TDFX_texture_compression_FXT1) {
+ switch (internalFormat) {
+ case GL_COMPRESSED_RGB_FXT1_3DFX:
+ return GL_RGB;
+ case GL_COMPRESSED_RGBA_FXT1_3DFX:
+ return GL_RGBA;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (ctx->Extensions.EXT_texture_compression_s3tc) {
+ switch (internalFormat) {
+ case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
+ return GL_RGB;
+ case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
+ case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
+ return GL_RGBA;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (ctx->Extensions.S3_s3tc) {
+ switch (internalFormat) {
+ case GL_RGB_S3TC:
+ case GL_RGB4_S3TC:
+ return GL_RGB;
+ case GL_RGBA_S3TC:
+ case GL_RGBA4_S3TC:
+ return GL_RGBA;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (ctx->Extensions.MESA_ycbcr_texture) {
+ if (internalFormat == GL_YCBCR_MESA)
+ return GL_YCBCR_MESA;
+ }
+
+ if (ctx->Extensions.ARB_texture_float) {
+ switch (internalFormat) {
+ case GL_ALPHA16F_ARB:
+ case GL_ALPHA32F_ARB:
+ return GL_ALPHA;
+ case GL_RGBA16F_ARB:
+ case GL_RGBA32F_ARB:
+ return GL_RGBA;
+ case GL_RGB16F_ARB:
+ case GL_RGB32F_ARB:
+ return GL_RGB;
+ case GL_INTENSITY16F_ARB:
+ case GL_INTENSITY32F_ARB:
+ return GL_INTENSITY;
+ case GL_LUMINANCE16F_ARB:
+ case GL_LUMINANCE32F_ARB:
+ return GL_LUMINANCE;
+ case GL_LUMINANCE_ALPHA16F_ARB:
+ case GL_LUMINANCE_ALPHA32F_ARB:
+ return GL_LUMINANCE_ALPHA;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (ctx->Extensions.ATI_envmap_bumpmap) {
+ switch (internalFormat) {
+ case GL_DUDV_ATI:
+ case GL_DU8DV8_ATI:
+ return GL_DUDV_ATI;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (ctx->Extensions.MESA_texture_signed_rgba) {
+ switch (internalFormat) {
+ case GL_RGBA_SNORM:
+ case GL_RGBA8_SNORM:
+ return GL_RGBA;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (ctx->Extensions.EXT_packed_depth_stencil) {
+ switch (internalFormat) {
+ case GL_DEPTH_STENCIL_EXT:
+ case GL_DEPTH24_STENCIL8_EXT:
+ return GL_DEPTH_STENCIL_EXT;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+#if FEATURE_EXT_texture_sRGB
+ if (ctx->Extensions.EXT_texture_sRGB) {
+ switch (internalFormat) {
+ case GL_SRGB_EXT:
+ case GL_SRGB8_EXT:
+ case GL_COMPRESSED_SRGB_EXT:
+ case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
+ return GL_RGB;
+ case GL_SRGB_ALPHA_EXT:
+ case GL_SRGB8_ALPHA8_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
+ return GL_RGBA;
+ case GL_SLUMINANCE_ALPHA_EXT:
+ case GL_SLUMINANCE8_ALPHA8_EXT:
+ case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT:
+ return GL_LUMINANCE_ALPHA;
+ case GL_SLUMINANCE_EXT:
+ case GL_SLUMINANCE8_EXT:
+ case GL_COMPRESSED_SLUMINANCE_EXT:
+ return GL_LUMINANCE;
+ default:
+ ; /* fallthrough */
+ }
+ }
+#endif /* FEATURE_EXT_texture_sRGB */
+
+ if (ctx->Extensions.EXT_texture_integer) {
+ switch (internalFormat) {
+ case GL_RGBA8UI_EXT:
+ case GL_RGBA16UI_EXT:
+ case GL_RGBA32UI_EXT:
+ case GL_RGBA8I_EXT:
+ case GL_RGBA16I_EXT:
+ case GL_RGBA32I_EXT:
+ return GL_RGBA;
+ case GL_RGB8UI_EXT:
+ case GL_RGB16UI_EXT:
+ case GL_RGB32UI_EXT:
+ case GL_RGB8I_EXT:
+ case GL_RGB16I_EXT:
+ case GL_RGB32I_EXT:
+ return GL_RGB;
+ case GL_ALPHA8UI_EXT:
+ case GL_ALPHA16UI_EXT:
+ case GL_ALPHA32UI_EXT:
+ case GL_ALPHA8I_EXT:
+ case GL_ALPHA16I_EXT:
+ case GL_ALPHA32I_EXT:
+ return GL_ALPHA;
+ case GL_INTENSITY8UI_EXT:
+ case GL_INTENSITY16UI_EXT:
+ case GL_INTENSITY32UI_EXT:
+ case GL_INTENSITY8I_EXT:
+ case GL_INTENSITY16I_EXT:
+ case GL_INTENSITY32I_EXT:
+ return GL_INTENSITY;
+ case GL_LUMINANCE8UI_EXT:
+ case GL_LUMINANCE16UI_EXT:
+ case GL_LUMINANCE32UI_EXT:
+ case GL_LUMINANCE8I_EXT:
+ case GL_LUMINANCE16I_EXT:
+ case GL_LUMINANCE32I_EXT:
+ return GL_LUMINANCE;
+ case GL_LUMINANCE_ALPHA8UI_EXT:
+ case GL_LUMINANCE_ALPHA16UI_EXT:
+ case GL_LUMINANCE_ALPHA32UI_EXT:
+ case GL_LUMINANCE_ALPHA8I_EXT:
+ case GL_LUMINANCE_ALPHA16I_EXT:
+ case GL_LUMINANCE_ALPHA32I_EXT:
+ return GL_LUMINANCE_ALPHA;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (ctx->Extensions.ARB_texture_rg) {
+ switch (internalFormat) {
+ case GL_R16F:
+ /* R16F depends on both ARB_half_float_pixel and ARB_texture_float.
+ */
+ if (!ctx->Extensions.ARB_half_float_pixel)
+ break;
+ /* FALLTHROUGH */
+ case GL_R32F:
+ if (!ctx->Extensions.ARB_texture_float)
+ break;
+ return GL_RED;
+ case GL_R8I:
+ case GL_R8UI:
+ case GL_R16I:
+ case GL_R16UI:
+ case GL_R32I:
+ case GL_R32UI:
+ if (!ctx->Extensions.EXT_texture_integer)
+ break;
+ /* FALLTHROUGH */
+ case GL_R8:
+ case GL_R16:
+ case GL_RED:
+ case GL_COMPRESSED_RED:
+ return GL_RED;
+
+ case GL_RG16F:
+ /* RG16F depends on both ARB_half_float_pixel and ARB_texture_float.
+ */
+ if (!ctx->Extensions.ARB_half_float_pixel)
+ break;
+ /* FALLTHROUGH */
+ case GL_RG32F:
+ if (!ctx->Extensions.ARB_texture_float)
+ break;
+ return GL_RG;
+ case GL_RG8I:
+ case GL_RG8UI:
+ case GL_RG16I:
+ case GL_RG16UI:
+ case GL_RG32I:
+ case GL_RG32UI:
+ if (!ctx->Extensions.EXT_texture_integer)
+ break;
+ /* FALLTHROUGH */
+ case GL_RG:
+ case GL_RG8:
+ case GL_RG16:
+ case GL_COMPRESSED_RG:
+ return GL_RG;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (ctx->Extensions.EXT_texture_shared_exponent) {
+ switch (internalFormat) {
+ case GL_RGB9_E5_EXT:
+ return GL_RGB;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (ctx->Extensions.EXT_packed_float) {
+ switch (internalFormat) {
+ case GL_R11F_G11F_B10F_EXT:
+ return GL_RGB;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (ctx->Extensions.ARB_depth_buffer_float) {
+ switch (internalFormat) {
+ case GL_DEPTH_COMPONENT32F:
+ return GL_DEPTH_COMPONENT;
+ case GL_DEPTH32F_STENCIL8:
+ return GL_DEPTH_STENCIL;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (ctx->Extensions.ARB_texture_compression_rgtc) {
+ switch (internalFormat) {
+ case GL_COMPRESSED_RED_RGTC1:
+ case GL_COMPRESSED_SIGNED_RED_RGTC1:
+ return GL_RED;
+ case GL_COMPRESSED_RG_RGTC2:
+ case GL_COMPRESSED_SIGNED_RG_RGTC2:
+ return GL_RG;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (ctx->Extensions.EXT_texture_compression_latc) {
+ switch (internalFormat) {
+ case GL_COMPRESSED_LUMINANCE_LATC1_EXT:
+ case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT:
+ return GL_LUMINANCE;
+ case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT:
+ case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT:
+ return GL_LUMINANCE_ALPHA;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (ctx->Extensions.ATI_texture_compression_3dc) {
+ switch (internalFormat) {
+ case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI:
+ return GL_LUMINANCE_ALPHA;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ return -1; /* error */
+}
+
+
+/**
+ * For cube map faces, return a face index in [0,5].
+ * For other targets return 0;
+ */
+GLuint
+_mesa_tex_target_to_face(GLenum target)
+{
+ if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
+ target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB)
+ return (GLuint) target - (GLuint) GL_TEXTURE_CUBE_MAP_POSITIVE_X;
+ else
+ return 0;
+}
+
+
+
+/**
+ * Store a gl_texture_image pointer in a gl_texture_object structure
+ * according to the target and level parameters.
+ *
+ * \param tObj texture object.
+ * \param target texture target.
+ * \param level image level.
+ * \param texImage texture image.
+ *
+ * This was basically prompted by the introduction of cube maps.
+ */
+void
+_mesa_set_tex_image(struct gl_texture_object *tObj,
+ GLenum target, GLint level,
+ struct gl_texture_image *texImage)
+{
+ const GLuint face = _mesa_tex_target_to_face(target);
+
+ ASSERT(tObj);
+ ASSERT(texImage);
+ ASSERT(target != GL_TEXTURE_RECTANGLE_NV || level == 0);
+
+ tObj->Image[face][level] = texImage;
+
+ /* Set the 'back' pointer */
+ texImage->TexObject = tObj;
+}
+
+
+/**
+ * Allocate a texture image structure.
+ *
+ * Called via ctx->Driver.NewTextureImage() unless overriden by a device
+ * driver.
+ *
+ * \return a pointer to gl_texture_image struct with all fields initialized to
+ * zero.
+ */
+struct gl_texture_image *
+_mesa_new_texture_image( struct gl_context *ctx )
+{
+ (void) ctx;
+ return CALLOC_STRUCT(gl_texture_image);
+}
+
+
+/**
+ * Free texture image data.
+ * This function is a fallback called via ctx->Driver.FreeTexImageData().
+ *
+ * \param texImage texture image.
+ *
+ * Free the texture image data if it's not marked as client data.
+ */
+void
+_mesa_free_texture_image_data(struct gl_context *ctx,
+ struct gl_texture_image *texImage)
+{
+ (void) ctx;
+
+ if (texImage->Data && !texImage->IsClientData) {
+ /* free the old texture data */
+ _mesa_free_texmemory(texImage->Data);
+ }
+
+ texImage->Data = NULL;
+}
+
+
+/**
+ * Free texture image.
+ *
+ * \param texImage texture image.
+ *
+ * Free the texture image structure and the associated image data.
+ */
+void
+_mesa_delete_texture_image(struct gl_context *ctx,
+ struct gl_texture_image *texImage)
+{
+ /* Free texImage->Data and/or any other driver-specific texture
+ * image storage.
+ */
+ ASSERT(ctx->Driver.FreeTexImageData);
+ ctx->Driver.FreeTexImageData( ctx, texImage );
+
+ ASSERT(texImage->Data == NULL);
+ if (texImage->ImageOffsets)
+ free(texImage->ImageOffsets);
+ free(texImage);
+}
+
+
+/**
+ * Test if a target is a proxy target.
+ *
+ * \param target texture target.
+ *
+ * \return GL_TRUE if the target is a proxy target, GL_FALSE otherwise.
+ */
+GLboolean
+_mesa_is_proxy_texture(GLenum target)
+{
+ /* NUM_TEXTURE_TARGETS should match number of terms below */
+ assert(NUM_TEXTURE_TARGETS == 7);
+
+ return (target == GL_PROXY_TEXTURE_1D ||
+ target == GL_PROXY_TEXTURE_2D ||
+ target == GL_PROXY_TEXTURE_3D ||
+ target == GL_PROXY_TEXTURE_CUBE_MAP_ARB ||
+ target == GL_PROXY_TEXTURE_RECTANGLE_NV ||
+ target == GL_PROXY_TEXTURE_1D_ARRAY_EXT ||
+ target == GL_PROXY_TEXTURE_2D_ARRAY_EXT);
+}
+
+
+/**
+ * Return the proxy target which corresponds to the given texture target
+ */
+static GLenum
+get_proxy_target(GLenum target)
+{
+ switch (target) {
+ case GL_TEXTURE_1D:
+ case GL_PROXY_TEXTURE_1D:
+ return GL_PROXY_TEXTURE_1D;
+ case GL_TEXTURE_2D:
+ case GL_PROXY_TEXTURE_2D:
+ return GL_PROXY_TEXTURE_2D;
+ case GL_TEXTURE_3D:
+ case GL_PROXY_TEXTURE_3D:
+ return GL_PROXY_TEXTURE_3D;
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
+ case GL_TEXTURE_CUBE_MAP_ARB:
+ case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
+ return GL_PROXY_TEXTURE_CUBE_MAP_ARB;
+ case GL_TEXTURE_RECTANGLE_NV:
+ case GL_PROXY_TEXTURE_RECTANGLE_NV:
+ return GL_PROXY_TEXTURE_RECTANGLE_NV;
+ case GL_TEXTURE_1D_ARRAY_EXT:
+ case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
+ return GL_PROXY_TEXTURE_1D_ARRAY_EXT;
+ case GL_TEXTURE_2D_ARRAY_EXT:
+ case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
+ return GL_PROXY_TEXTURE_2D_ARRAY_EXT;
+ default:
+ _mesa_problem(NULL, "unexpected target in get_proxy_target()");
+ return 0;
+ }
+}
+
+
+/**
+ * Get the texture object that corresponds to the target of the given
+ * texture unit.
+ *
+ * \param ctx GL context.
+ * \param texUnit texture unit.
+ * \param target texture target.
+ *
+ * \return pointer to the texture object on success, or NULL on failure.
+ *
+ * \sa gl_texture_unit.
+ */
+struct gl_texture_object *
+_mesa_select_tex_object(struct gl_context *ctx,
+ const struct gl_texture_unit *texUnit,
+ GLenum target)
+{
+ const GLboolean arrayTex = (ctx->Extensions.MESA_texture_array ||
+ ctx->Extensions.EXT_texture_array);
+
+ switch (target) {
+ case GL_TEXTURE_1D:
+ return texUnit->CurrentTex[TEXTURE_1D_INDEX];
+ case GL_PROXY_TEXTURE_1D:
+ return ctx->Texture.ProxyTex[TEXTURE_1D_INDEX];
+ case GL_TEXTURE_2D:
+ return texUnit->CurrentTex[TEXTURE_2D_INDEX];
+ case GL_PROXY_TEXTURE_2D:
+ return ctx->Texture.ProxyTex[TEXTURE_2D_INDEX];
+ case GL_TEXTURE_3D:
+ return texUnit->CurrentTex[TEXTURE_3D_INDEX];
+ case GL_PROXY_TEXTURE_3D:
+ return ctx->Texture.ProxyTex[TEXTURE_3D_INDEX];
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
+ case GL_TEXTURE_CUBE_MAP_ARB:
+ return ctx->Extensions.ARB_texture_cube_map
+ ? texUnit->CurrentTex[TEXTURE_CUBE_INDEX] : NULL;
+ case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
+ return ctx->Extensions.ARB_texture_cube_map
+ ? ctx->Texture.ProxyTex[TEXTURE_CUBE_INDEX] : NULL;
+ case GL_TEXTURE_RECTANGLE_NV:
+ return ctx->Extensions.NV_texture_rectangle
+ ? texUnit->CurrentTex[TEXTURE_RECT_INDEX] : NULL;
+ case GL_PROXY_TEXTURE_RECTANGLE_NV:
+ return ctx->Extensions.NV_texture_rectangle
+ ? ctx->Texture.ProxyTex[TEXTURE_RECT_INDEX] : NULL;
+ case GL_TEXTURE_1D_ARRAY_EXT:
+ return arrayTex ? texUnit->CurrentTex[TEXTURE_1D_ARRAY_INDEX] : NULL;
+ case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
+ return arrayTex ? ctx->Texture.ProxyTex[TEXTURE_1D_ARRAY_INDEX] : NULL;
+ case GL_TEXTURE_2D_ARRAY_EXT:
+ return arrayTex ? texUnit->CurrentTex[TEXTURE_2D_ARRAY_INDEX] : NULL;
+ case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
+ return arrayTex ? ctx->Texture.ProxyTex[TEXTURE_2D_ARRAY_INDEX] : NULL;
+ default:
+ _mesa_problem(NULL, "bad target in _mesa_select_tex_object()");
+ return NULL;
+ }
+}
+
+
+/**
+ * Return pointer to texture object for given target on current texture unit.
+ */
+struct gl_texture_object *
+_mesa_get_current_tex_object(struct gl_context *ctx, GLenum target)
+{
+ struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
+ return _mesa_select_tex_object(ctx, texUnit, target);
+}
+
+
+/**
+ * Get a texture image pointer from a texture object, given a texture
+ * target and mipmap level. The target and level parameters should
+ * have already been error-checked.
+ *
+ * \param ctx GL context.
+ * \param texObj texture unit.
+ * \param target texture target.
+ * \param level image level.
+ *
+ * \return pointer to the texture image structure, or NULL on failure.
+ */
+struct gl_texture_image *
+_mesa_select_tex_image(struct gl_context *ctx,
+ const struct gl_texture_object *texObj,
+ GLenum target, GLint level)
+{
+ const GLuint face = _mesa_tex_target_to_face(target);
+
+ ASSERT(texObj);
+ ASSERT(level >= 0);
+ ASSERT(level < MAX_TEXTURE_LEVELS);
+
+ return texObj->Image[face][level];
+}
+
+
+/**
+ * Like _mesa_select_tex_image() but if the image doesn't exist, allocate
+ * it and install it. Only return NULL if passed a bad parameter or run
+ * out of memory.
+ */
+struct gl_texture_image *
+_mesa_get_tex_image(struct gl_context *ctx, struct gl_texture_object *texObj,
+ GLenum target, GLint level)
+{
+ struct gl_texture_image *texImage;
+
+ if (!texObj)
+ return NULL;
+
+ texImage = _mesa_select_tex_image(ctx, texObj, target, level);
+ if (!texImage) {
+ texImage = ctx->Driver.NewTextureImage(ctx);
+ if (!texImage) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "texture image allocation");
+ return NULL;
+ }
+
+ _mesa_set_tex_image(texObj, target, level, texImage);
+ }
+
+ return texImage;
+}
+
+
+/**
+ * Return pointer to the specified proxy texture image.
+ * Note that proxy textures are per-context, not per-texture unit.
+ * \return pointer to texture image or NULL if invalid target, invalid
+ * level, or out of memory.
+ */
+struct gl_texture_image *
+_mesa_get_proxy_tex_image(struct gl_context *ctx, GLenum target, GLint level)
+{
+ struct gl_texture_image *texImage;
+ GLuint texIndex;
+
+ if (level < 0 )
+ return NULL;
+
+ switch (target) {
+ case GL_PROXY_TEXTURE_1D:
+ if (level >= ctx->Const.MaxTextureLevels)
+ return NULL;
+ texIndex = TEXTURE_1D_INDEX;
+ break;
+ case GL_PROXY_TEXTURE_2D:
+ if (level >= ctx->Const.MaxTextureLevels)
+ return NULL;
+ texIndex = TEXTURE_2D_INDEX;
+ break;
+ case GL_PROXY_TEXTURE_3D:
+ if (level >= ctx->Const.Max3DTextureLevels)
+ return NULL;
+ texIndex = TEXTURE_3D_INDEX;
+ break;
+ case GL_PROXY_TEXTURE_CUBE_MAP:
+ if (level >= ctx->Const.MaxCubeTextureLevels)
+ return NULL;
+ texIndex = TEXTURE_CUBE_INDEX;
+ break;
+ case GL_PROXY_TEXTURE_RECTANGLE_NV:
+ if (level > 0)
+ return NULL;
+ texIndex = TEXTURE_RECT_INDEX;
+ break;
+ case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
+ if (level >= ctx->Const.MaxTextureLevels)
+ return NULL;
+ texIndex = TEXTURE_1D_ARRAY_INDEX;
+ break;
+ case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
+ if (level >= ctx->Const.MaxTextureLevels)
+ return NULL;
+ texIndex = TEXTURE_2D_ARRAY_INDEX;
+ break;
+ default:
+ return NULL;
+ }
+
+ texImage = ctx->Texture.ProxyTex[texIndex]->Image[0][level];
+ if (!texImage) {
+ texImage = ctx->Driver.NewTextureImage(ctx);
+ if (!texImage) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation");
+ return NULL;
+ }
+ ctx->Texture.ProxyTex[texIndex]->Image[0][level] = texImage;
+ /* Set the 'back' pointer */
+ texImage->TexObject = ctx->Texture.ProxyTex[texIndex];
+ }
+ return texImage;
+}
+
+
+/**
+ * Get the maximum number of allowed mipmap levels.
+ *
+ * \param ctx GL context.
+ * \param target texture target.
+ *
+ * \return the maximum number of allowed mipmap levels for the given
+ * texture target, or zero if passed a bad target.
+ *
+ * \sa gl_constants.
+ */
+GLint
+_mesa_max_texture_levels(struct gl_context *ctx, GLenum target)
+{
+ switch (target) {
+ case GL_TEXTURE_1D:
+ case GL_PROXY_TEXTURE_1D:
+ case GL_TEXTURE_2D:
+ case GL_PROXY_TEXTURE_2D:
+ return ctx->Const.MaxTextureLevels;
+ case GL_TEXTURE_3D:
+ case GL_PROXY_TEXTURE_3D:
+ return ctx->Const.Max3DTextureLevels;
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
+ case GL_TEXTURE_CUBE_MAP_ARB:
+ case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
+ return ctx->Extensions.ARB_texture_cube_map
+ ? ctx->Const.MaxCubeTextureLevels : 0;
+ case GL_TEXTURE_RECTANGLE_NV:
+ case GL_PROXY_TEXTURE_RECTANGLE_NV:
+ return ctx->Extensions.NV_texture_rectangle ? 1 : 0;
+ case GL_TEXTURE_1D_ARRAY_EXT:
+ case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
+ case GL_TEXTURE_2D_ARRAY_EXT:
+ case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
+ return (ctx->Extensions.MESA_texture_array ||
+ ctx->Extensions.EXT_texture_array)
+ ? ctx->Const.MaxTextureLevels : 0;
+ default:
+ return 0; /* bad target */
+ }
+}
+
+
+/**
+ * Return number of dimensions per mipmap level for the given texture target.
+ */
+GLint
+_mesa_get_texture_dimensions(GLenum target)
+{
+ switch (target) {
+ case GL_TEXTURE_1D:
+ case GL_PROXY_TEXTURE_1D:
+ return 1;
+ case GL_TEXTURE_2D:
+ case GL_TEXTURE_RECTANGLE:
+ case GL_TEXTURE_CUBE_MAP:
+ case GL_PROXY_TEXTURE_2D:
+ case GL_PROXY_TEXTURE_RECTANGLE:
+ case GL_PROXY_TEXTURE_CUBE_MAP:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
+ case GL_TEXTURE_1D_ARRAY:
+ case GL_PROXY_TEXTURE_1D_ARRAY:
+ return 2;
+ case GL_TEXTURE_3D:
+ case GL_PROXY_TEXTURE_3D:
+ case GL_TEXTURE_2D_ARRAY:
+ case GL_PROXY_TEXTURE_2D_ARRAY:
+ return 3;
+ default:
+ _mesa_problem(NULL, "invalid target 0x%x in get_texture_dimensions()",
+ target);
+ return 2;
+ }
+}
+
+
+
+
+#if 000 /* not used anymore */
+/*
+ * glTexImage[123]D can accept a NULL image pointer. In this case we
+ * create a texture image with unspecified image contents per the OpenGL
+ * spec.
+ */
+static GLubyte *
+make_null_texture(GLint width, GLint height, GLint depth, GLenum format)
+{
+ const GLint components = _mesa_components_in_format(format);
+ const GLint numPixels = width * height * depth;
+ GLubyte *data = (GLubyte *) MALLOC(numPixels * components * sizeof(GLubyte));
+
+#ifdef DEBUG
+ /*
+ * Let's see if anyone finds this. If glTexImage2D() is called with
+ * a NULL image pointer then load the texture image with something
+ * interesting instead of leaving it indeterminate.
+ */
+ if (data) {
+ static const char message[8][32] = {
+ " X X XXXXX XXX X ",
+ " XX XX X X X X X ",
+ " X X X X X X X ",
+ " X X XXXX XXX XXXXX ",
+ " X X X X X X ",
+ " X X X X X X X ",
+ " X X XXXXX XXX X X ",
+ " "
+ };
+
+ GLubyte *imgPtr = data;
+ GLint h, i, j, k;
+ for (h = 0; h < depth; h++) {
+ for (i = 0; i < height; i++) {
+ GLint srcRow = 7 - (i % 8);
+ for (j = 0; j < width; j++) {
+ GLint srcCol = j % 32;
+ GLubyte texel = (message[srcRow][srcCol]=='X') ? 255 : 70;
+ for (k = 0; k < components; k++) {
+ *imgPtr++ = texel;
+ }
+ }
+ }
+ }
+ }
+#endif
+
+ return data;
+}
+#endif
+
+
+
+/**
+ * Reset the fields of a gl_texture_image struct to zero.
+ *
+ * \param img texture image structure.
+ *
+ * This is called when a proxy texture test fails, we set all the
+ * image members (except DriverData) to zero.
+ * It's also used in glTexImage[123]D as a safeguard to be sure all
+ * required fields get initialized properly by the Driver.TexImage[123]D
+ * functions.
+ */
+static void
+clear_teximage_fields(struct gl_texture_image *img)
+{
+ ASSERT(img);
+ img->_BaseFormat = 0;
+ img->InternalFormat = 0;
+ img->Border = 0;
+ img->Width = 0;
+ img->Height = 0;
+ img->Depth = 0;
+ img->RowStride = 0;
+ if (img->ImageOffsets) {
+ free(img->ImageOffsets);
+ img->ImageOffsets = NULL;
+ }
+ img->Width2 = 0;
+ img->Height2 = 0;
+ img->Depth2 = 0;
+ img->WidthLog2 = 0;
+ img->HeightLog2 = 0;
+ img->DepthLog2 = 0;
+ img->Data = NULL;
+ img->TexFormat = MESA_FORMAT_NONE;
+ img->FetchTexelc = NULL;
+ img->FetchTexelf = NULL;
+}
+
+
+/**
+ * Initialize basic fields of the gl_texture_image struct.
+ *
+ * \param ctx GL context.
+ * \param target texture target (GL_TEXTURE_1D, GL_TEXTURE_RECTANGLE, etc).
+ * \param img texture image structure to be initialized.
+ * \param width image width.
+ * \param height image height.
+ * \param depth image depth.
+ * \param border image border.
+ * \param internalFormat internal format.
+ * \param format the actual hardware format (one of MESA_FORMAT_*)
+ *
+ * Fills in the fields of \p img with the given information.
+ * Note: width, height and depth include the border.
+ */
+void
+_mesa_init_teximage_fields(struct gl_context *ctx, GLenum target,
+ struct gl_texture_image *img,
+ GLsizei width, GLsizei height, GLsizei depth,
+ GLint border, GLenum internalFormat,
+ gl_format format)
+{
+ GLint i, dims;
+
+ ASSERT(img);
+ ASSERT(width >= 0);
+ ASSERT(height >= 0);
+ ASSERT(depth >= 0);
+
+ img->_BaseFormat = _mesa_base_tex_format( ctx, internalFormat );
+ ASSERT(img->_BaseFormat > 0);
+ img->InternalFormat = internalFormat;
+ img->Border = border;
+ img->Width = width;
+ img->Height = height;
+ img->Depth = depth;
+
+ img->Width2 = width - 2 * border; /* == 1 << img->WidthLog2; */
+ img->WidthLog2 = logbase2(img->Width2);
+
+ if (height == 1) { /* 1-D texture */
+ img->Height2 = 1;
+ img->HeightLog2 = 0;
+ }
+ else {
+ img->Height2 = height - 2 * border; /* == 1 << img->HeightLog2; */
+ img->HeightLog2 = logbase2(img->Height2);
+ }
+
+ if (depth == 1) { /* 2-D texture */
+ img->Depth2 = 1;
+ img->DepthLog2 = 0;
+ }
+ else {
+ img->Depth2 = depth - 2 * border; /* == 1 << img->DepthLog2; */
+ img->DepthLog2 = logbase2(img->Depth2);
+ }
+
+ img->MaxLog2 = MAX2(img->WidthLog2, img->HeightLog2);
+
+ if ((width == 1 || _mesa_is_pow_two(img->Width2)) &&
+ (height == 1 || _mesa_is_pow_two(img->Height2)) &&
+ (depth == 1 || _mesa_is_pow_two(img->Depth2)))
+ img->_IsPowerOfTwo = GL_TRUE;
+ else
+ img->_IsPowerOfTwo = GL_FALSE;
+
+ /* RowStride and ImageOffsets[] describe how to address texels in 'Data' */
+ img->RowStride = width;
+ /* Allocate the ImageOffsets array and initialize to typical values.
+ * We allocate the array for 1D/2D textures too in order to avoid special-
+ * case code in the texstore routines.
+ */
+ if (img->ImageOffsets)
+ free(img->ImageOffsets);
+ img->ImageOffsets = (GLuint *) malloc(depth * sizeof(GLuint));
+ for (i = 0; i < depth; i++) {
+ img->ImageOffsets[i] = i * width * height;
+ }
+
+ /* Compute Width/Height/DepthScale for mipmap lod computation */
+ if (target == GL_TEXTURE_RECTANGLE_NV) {
+ /* scale = 1.0 since texture coords directly map to texels */
+ img->WidthScale = 1.0;
+ img->HeightScale = 1.0;
+ img->DepthScale = 1.0;
+ }
+ else {
+ img->WidthScale = (GLfloat) img->Width;
+ img->HeightScale = (GLfloat) img->Height;
+ img->DepthScale = (GLfloat) img->Depth;
+ }
+
+ img->TexFormat = format;
+
+ dims = _mesa_get_texture_dimensions(target);
+
+ _mesa_set_fetch_functions(img, dims);
+}
+
+
+/**
+ * Free and clear fields of the gl_texture_image struct.
+ *
+ * \param ctx GL context.
+ * \param texImage texture image structure to be cleared.
+ *
+ * After the call, \p texImage will have no data associated with it. Its
+ * fields are cleared so that its parent object will test incomplete.
+ */
+void
+_mesa_clear_texture_image(struct gl_context *ctx,
+ struct gl_texture_image *texImage)
+{
+ ctx->Driver.FreeTexImageData(ctx, texImage);
+ clear_teximage_fields(texImage);
+}
+
+
+/**
+ * This is the fallback for Driver.TestProxyTexImage(). Test the texture
+ * level, width, height and depth against the ctx->Const limits for textures.
+ *
+ * A hardware driver might override this function if, for example, the
+ * max 3D texture size is 512x512x64 (i.e. not a cube).
+ *
+ * Note that width, height, depth == 0 is not an error. However, a
+ * texture with zero width/height/depth will be considered "incomplete"
+ * and texturing will effectively be disabled.
+ *
+ * \param target one of GL_PROXY_TEXTURE_1D, GL_PROXY_TEXTURE_2D,
+ * GL_PROXY_TEXTURE_3D, GL_PROXY_TEXTURE_RECTANGLE_NV,
+ * GL_PROXY_TEXTURE_CUBE_MAP_ARB.
+ * \param level as passed to glTexImage
+ * \param internalFormat as passed to glTexImage
+ * \param format as passed to glTexImage
+ * \param type as passed to glTexImage
+ * \param width as passed to glTexImage
+ * \param height as passed to glTexImage
+ * \param depth as passed to glTexImage
+ * \param border as passed to glTexImage
+ * \return GL_TRUE if the image is acceptable, GL_FALSE if not acceptable.
+ */
+GLboolean
+_mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target, GLint level,
+ GLint internalFormat, GLenum format, GLenum type,
+ GLint width, GLint height, GLint depth, GLint border)
+{
+ GLint maxSize;
+
+ (void) internalFormat;
+ (void) format;
+ (void) type;
+
+ switch (target) {
+ case GL_PROXY_TEXTURE_1D:
+ maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
+ if (width < 2 * border || width > 2 + maxSize)
+ return GL_FALSE;
+ if (level >= ctx->Const.MaxTextureLevels)
+ return GL_FALSE;
+ if (!ctx->Extensions.ARB_texture_non_power_of_two) {
+ if (width > 0 && !_mesa_is_pow_two(width - 2 * border))
+ return GL_FALSE;
+ }
+ return GL_TRUE;
+
+ case GL_PROXY_TEXTURE_2D:
+ maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
+ if (width < 2 * border || width > 2 + maxSize)
+ return GL_FALSE;
+ if (height < 2 * border || height > 2 + maxSize)
+ return GL_FALSE;
+ if (level >= ctx->Const.MaxTextureLevels)
+ return GL_FALSE;
+ if (!ctx->Extensions.ARB_texture_non_power_of_two) {
+ if (width > 0 && !_mesa_is_pow_two(width - 2 * border))
+ return GL_FALSE;
+ if (height > 0 && !_mesa_is_pow_two(height - 2 * border))
+ return GL_FALSE;
+ }
+ return GL_TRUE;
+
+ case GL_PROXY_TEXTURE_3D:
+ maxSize = 1 << (ctx->Const.Max3DTextureLevels - 1);
+ if (width < 2 * border || width > 2 + maxSize)
+ return GL_FALSE;
+ if (height < 2 * border || height > 2 + maxSize)
+ return GL_FALSE;
+ if (depth < 2 * border || depth > 2 + maxSize)
+ return GL_FALSE;
+ if (level >= ctx->Const.Max3DTextureLevels)
+ return GL_FALSE;
+ if (!ctx->Extensions.ARB_texture_non_power_of_two) {
+ if (width > 0 && !_mesa_is_pow_two(width - 2 * border))
+ return GL_FALSE;
+ if (height > 0 && !_mesa_is_pow_two(height - 2 * border))
+ return GL_FALSE;
+ if (depth > 0 && !_mesa_is_pow_two(depth - 2 * border))
+ return GL_FALSE;
+ }
+ return GL_TRUE;
+
+ case GL_PROXY_TEXTURE_RECTANGLE_NV:
+ maxSize = ctx->Const.MaxTextureRectSize;
+ if (width < 0 || width > maxSize)
+ return GL_FALSE;
+ if (height < 0 || height > maxSize)
+ return GL_FALSE;
+ if (level != 0)
+ return GL_FALSE;
+ return GL_TRUE;
+
+ case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
+ maxSize = 1 << (ctx->Const.MaxCubeTextureLevels - 1);
+ if (width < 2 * border || width > 2 + maxSize)
+ return GL_FALSE;
+ if (height < 2 * border || height > 2 + maxSize)
+ return GL_FALSE;
+ if (level >= ctx->Const.MaxCubeTextureLevels)
+ return GL_FALSE;
+ if (!ctx->Extensions.ARB_texture_non_power_of_two) {
+ if (width > 0 && !_mesa_is_pow_two(width - 2 * border))
+ return GL_FALSE;
+ if (height > 0 && !_mesa_is_pow_two(height - 2 * border))
+ return GL_FALSE;
+ }
+ return GL_TRUE;
+
+ case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
+ maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
+ if (width < 2 * border || width > 2 + maxSize)
+ return GL_FALSE;
+ if (height < 1 || height > ctx->Const.MaxArrayTextureLayers)
+ return GL_FALSE;
+ if (level >= ctx->Const.MaxTextureLevels)
+ return GL_FALSE;
+ if (!ctx->Extensions.ARB_texture_non_power_of_two) {
+ if (width > 0 && !_mesa_is_pow_two(width - 2 * border))
+ return GL_FALSE;
+ }
+ return GL_TRUE;
+
+ case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
+ maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
+ if (width < 2 * border || width > 2 + maxSize)
+ return GL_FALSE;
+ if (height < 2 * border || height > 2 + maxSize)
+ return GL_FALSE;
+ if (depth < 1 || depth > ctx->Const.MaxArrayTextureLayers)
+ return GL_FALSE;
+ if (level >= ctx->Const.MaxTextureLevels)
+ return GL_FALSE;
+ if (!ctx->Extensions.ARB_texture_non_power_of_two) {
+ if (width > 0 && !_mesa_is_pow_two(width - 2 * border))
+ return GL_FALSE;
+ if (height > 0 && !_mesa_is_pow_two(height - 2 * border))
+ return GL_FALSE;
+ }
+ return GL_TRUE;
+
+ default:
+ _mesa_problem(ctx, "Invalid target in _mesa_test_proxy_teximage");
+ return GL_FALSE;
+ }
+}
+
+
+/**
+ * Check if the memory used by the texture would exceed the driver's limit.
+ * This lets us support a max 3D texture size of 8K (for example) but
+ * prevents allocating a full 8K x 8K x 8K texture.
+ * XXX this could be rolled into the proxy texture size test (above) but
+ * we don't have the actual texture internal format at that point.
+ */
+static GLboolean
+legal_texture_size(struct gl_context *ctx, gl_format format,
+ GLint width, GLint height, GLint depth)
+{
+ uint64_t bytes = _mesa_format_image_size64(format, width, height, depth);
+ uint64_t mbytes = bytes / (1024 * 1024); /* convert to MB */
+ return mbytes <= (uint64_t) ctx->Const.MaxTextureMbytes;
+}
+
+
+
+/**
+ * Helper function to determine whether a target and specific compression
+ * format are supported.
+ */
+static GLboolean
+target_can_be_compressed(const struct gl_context *ctx, GLenum target,
+ GLenum intFormat)
+{
+ (void) intFormat; /* not used yet */
+
+ switch (target) {
+ case GL_TEXTURE_2D:
+ case GL_PROXY_TEXTURE_2D:
+ return GL_TRUE; /* true for any compressed format so far */
+ case GL_PROXY_TEXTURE_CUBE_MAP:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
+ return ctx->Extensions.ARB_texture_cube_map;
+ case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
+ case GL_TEXTURE_2D_ARRAY_EXT:
+ return (ctx->Extensions.MESA_texture_array ||
+ ctx->Extensions.EXT_texture_array);
+ default:
+ return GL_FALSE;
+ }
+}
+
+
+/**
+ * Check if the given texture target value is legal for a
+ * glTexImage1/2/3D call.
+ */
+static GLboolean
+legal_teximage_target(struct gl_context *ctx, GLuint dims, GLenum target)
+{
+ switch (dims) {
+ case 1:
+ switch (target) {
+ case GL_TEXTURE_1D:
+ case GL_PROXY_TEXTURE_1D:
+ return GL_TRUE;
+ default:
+ return GL_FALSE;
+ }
+ case 2:
+ switch (target) {
+ case GL_TEXTURE_2D:
+ case GL_PROXY_TEXTURE_2D:
+ return GL_TRUE;
+ case GL_PROXY_TEXTURE_CUBE_MAP:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
+ return ctx->Extensions.ARB_texture_cube_map;
+ case GL_TEXTURE_RECTANGLE_NV:
+ case GL_PROXY_TEXTURE_RECTANGLE_NV:
+ return ctx->Extensions.NV_texture_rectangle;
+ case GL_TEXTURE_1D_ARRAY_EXT:
+ case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
+ return (ctx->Extensions.MESA_texture_array ||
+ ctx->Extensions.EXT_texture_array);
+ default:
+ return GL_FALSE;
+ }
+ case 3:
+ switch (target) {
+ case GL_TEXTURE_3D:
+ case GL_PROXY_TEXTURE_3D:
+ return GL_TRUE;
+ case GL_TEXTURE_2D_ARRAY_EXT:
+ case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
+ return (ctx->Extensions.MESA_texture_array ||
+ ctx->Extensions.EXT_texture_array);
+ default:
+ return GL_FALSE;
+ }
+ default:
+ _mesa_problem(ctx, "invalid dims=%u in legal_teximage_target()", dims);
+ return GL_FALSE;
+ }
+}
+
+
+/**
+ * Check if the given texture target value is legal for a
+ * glTexSubImage, glCopyTexSubImage or glCopyTexImage call.
+ * The difference compared to legal_teximage_target() above is that
+ * proxy targets are not supported.
+ */
+static GLboolean
+legal_texsubimage_target(struct gl_context *ctx, GLuint dims, GLenum target)
+{
+ switch (dims) {
+ case 1:
+ return target == GL_TEXTURE_1D;
+ case 2:
+ switch (target) {
+ case GL_TEXTURE_2D:
+ return GL_TRUE;
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
+ case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
+ case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
+ return ctx->Extensions.ARB_texture_cube_map;
+ case GL_TEXTURE_RECTANGLE_NV:
+ return ctx->Extensions.NV_texture_rectangle;
+ case GL_TEXTURE_1D_ARRAY_EXT:
+ return (ctx->Extensions.MESA_texture_array ||
+ ctx->Extensions.EXT_texture_array);
+ default:
+ return GL_FALSE;
+ }
+ case 3:
+ switch (target) {
+ case GL_TEXTURE_3D:
+ return GL_TRUE;
+ case GL_TEXTURE_2D_ARRAY_EXT:
+ return (ctx->Extensions.MESA_texture_array ||
+ ctx->Extensions.EXT_texture_array);
+ default:
+ return GL_FALSE;
+ }
+ default:
+ _mesa_problem(ctx, "invalid dims=%u in legal_texsubimage_target()",
+ dims);
+ return GL_FALSE;
+ }
+}
+
+
+/**
+ * Test the glTexImage[123]D() parameters for errors.
+ *
+ * \param ctx GL context.
+ * \param dimensions texture image dimensions (must be 1, 2 or 3).
+ * \param target texture target given by the user.
+ * \param level image level given by the user.
+ * \param internalFormat internal format given by the user.
+ * \param format pixel data format given by the user.
+ * \param type pixel data type given by the user.
+ * \param width image width given by the user.
+ * \param height image height given by the user.
+ * \param depth image depth given by the user.
+ * \param border image border given by the user.
+ *
+ * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
+ *
+ * Verifies each of the parameters against the constants specified in
+ * __struct gl_contextRec::Const and the supported extensions, and according
+ * to the OpenGL specification.
+ */
+static GLboolean
+texture_error_check( struct gl_context *ctx,
+ GLuint dimensions, GLenum target,
+ GLint level, GLint internalFormat,
+ GLenum format, GLenum type,
+ GLint width, GLint height,
+ GLint depth, GLint border )
+{
+ const GLenum proxyTarget = get_proxy_target(target);
+ const GLboolean isProxy = target == proxyTarget;
+ GLboolean sizeOK = GL_TRUE;
+ GLboolean colorFormat, indexFormat;
+
+ /* Basic level check (more checking in ctx->Driver.TestProxyTexImage) */
+ if (level < 0 || level >= MAX_TEXTURE_LEVELS) {
+ if (!isProxy) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glTexImage%dD(level=%d)", dimensions, level);
+ }
+ return GL_TRUE;
+ }
+
+ /* Check border */
+ if (border < 0 || border > 1 ||
+ ((target == GL_TEXTURE_RECTANGLE_NV ||
+ target == GL_PROXY_TEXTURE_RECTANGLE_NV) && border != 0)) {
+ if (!isProxy) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glTexImage%dD(border=%d)", dimensions, border);
+ }
+ return GL_TRUE;
+ }
+
+ if (width < 0 || height < 0 || depth < 0) {
+ if (!isProxy) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glTexImage%dD(width, height or depth < 0)", dimensions);
+ }
+ return GL_TRUE;
+ }
+
+ /* Do this simple check before calling the TestProxyTexImage() function */
+ if (proxyTarget == GL_PROXY_TEXTURE_CUBE_MAP_ARB) {
+ sizeOK = (width == height);
+ }
+
+ /*
+ * Use the proxy texture driver hook to see if the size/level/etc are
+ * legal.
+ */
+ sizeOK = sizeOK && ctx->Driver.TestProxyTexImage(ctx, proxyTarget, level,
+ internalFormat, format,
+ type, width, height,
+ depth, border);
+ if (!sizeOK) {
+ if (!isProxy) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glTexImage%dD(level=%d, width=%d, height=%d, depth=%d)",
+ dimensions, level, width, height, depth);
+ }
+ return GL_TRUE;
+ }
+
+ /* Check internalFormat */
+ if (_mesa_base_tex_format(ctx, internalFormat) < 0) {
+ if (!isProxy) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glTexImage%dD(internalFormat=%s)",
+ dimensions, _mesa_lookup_enum_by_nr(internalFormat));
+ }
+ return GL_TRUE;
+ }
+
+ /* Check incoming image format and type */
+ if (!_mesa_is_legal_format_and_type(ctx, format, type)) {
+ /* Normally, GL_INVALID_OPERATION is generated by a format/type
+ * mismatch (see the 1.2 spec page 94, sec 3.6.4.). But with the
+ * GL_EXT_texture_integer extension, some combinations should generate
+ * GL_INVALID_ENUM instead (grr!).
+ */
+ if (!isProxy) {
+ GLenum error = _mesa_is_integer_format(format)
+ ? GL_INVALID_ENUM : GL_INVALID_OPERATION;
+ _mesa_error(ctx, error,
+ "glTexImage%dD(incompatible format 0x%x, type 0x%x)",
+ dimensions, format, type);
+ }
+ return GL_TRUE;
+ }
+
+ /* make sure internal format and format basically agree */
+ colorFormat = _mesa_is_color_format(format);
+ indexFormat = _mesa_is_index_format(format);
+ if ((_mesa_is_color_format(internalFormat) && !colorFormat && !indexFormat) ||
+ (_mesa_is_index_format(internalFormat) && !indexFormat) ||
+ (_mesa_is_depth_format(internalFormat) != _mesa_is_depth_format(format)) ||
+ (_mesa_is_ycbcr_format(internalFormat) != _mesa_is_ycbcr_format(format)) ||
+ (_mesa_is_depthstencil_format(internalFormat) != _mesa_is_depthstencil_format(format)) ||
+ (_mesa_is_dudv_format(internalFormat) != _mesa_is_dudv_format(format))) {
+ if (!isProxy)
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexImage%dD(incompatible internalFormat 0x%x, format 0x%x)",
+ dimensions, internalFormat, format);
+ return GL_TRUE;
+ }
+
+ /* additional checks for ycbcr textures */
+ if (internalFormat == GL_YCBCR_MESA) {
+ ASSERT(ctx->Extensions.MESA_ycbcr_texture);
+ if (type != GL_UNSIGNED_SHORT_8_8_MESA &&
+ type != GL_UNSIGNED_SHORT_8_8_REV_MESA) {
+ char message[100];
+ _mesa_snprintf(message, sizeof(message),
+ "glTexImage%dD(format/type YCBCR mismatch", dimensions);
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s", message);
+ return GL_TRUE; /* error */
+ }
+ if (target != GL_TEXTURE_2D &&
+ target != GL_PROXY_TEXTURE_2D &&
+ target != GL_TEXTURE_RECTANGLE_NV &&
+ target != GL_PROXY_TEXTURE_RECTANGLE_NV) {
+ if (!isProxy)
+ _mesa_error(ctx, GL_INVALID_ENUM, "glTexImage(target)");
+ return GL_TRUE;
+ }
+ if (border != 0) {
+ if (!isProxy) {
+ char message[100];
+ _mesa_snprintf(message, sizeof(message),
+ "glTexImage%dD(format=GL_YCBCR_MESA and border=%d)",
+ dimensions, border);
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s", message);
+ }
+ return GL_TRUE;
+ }
+ }
+
+ /* additional checks for depth textures */
+ if (_mesa_base_tex_format(ctx, internalFormat) == GL_DEPTH_COMPONENT) {
+ /* Only 1D, 2D and rectangular textures supported, not 3D or cubes */
+ if (target != GL_TEXTURE_1D &&
+ target != GL_PROXY_TEXTURE_1D &&
+ target != GL_TEXTURE_2D &&
+ target != GL_PROXY_TEXTURE_2D &&
+ target != GL_TEXTURE_RECTANGLE_ARB &&
+ target != GL_PROXY_TEXTURE_RECTANGLE_ARB) {
+ if (!isProxy)
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glTexImage(target/internalFormat)");
+ return GL_TRUE;
+ }
+ }
+
+ /* additional checks for compressed textures */
+ if (_mesa_is_compressed_format(ctx, internalFormat)) {
+ if (!target_can_be_compressed(ctx, target, internalFormat)) {
+ if (!isProxy)
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glTexImage%dD(target)", dimensions);
+ return GL_TRUE;
+ }
+ if (border != 0) {
+ if (!isProxy) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexImage%dD(border!=0)", dimensions);
+ }
+ return GL_TRUE;
+ }
+ }
+
+ /* additional checks for integer textures */
+ if (ctx->Extensions.EXT_texture_integer &&
+ (_mesa_is_integer_format(format) !=
+ _mesa_is_integer_format(internalFormat))) {
+ if (!isProxy) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexImage%dD(integer/non-integer format mismatch)",
+ dimensions);
+ }
+ return GL_TRUE;
+ }
+
+ /* if we get here, the parameters are OK */
+ return GL_FALSE;
+}
+
+
+/**
+ * Test glTexSubImage[123]D() parameters for errors.
+ *
+ * \param ctx GL context.
+ * \param dimensions texture image dimensions (must be 1, 2 or 3).
+ * \param target texture target given by the user.
+ * \param level image level given by the user.
+ * \param xoffset sub-image x offset given by the user.
+ * \param yoffset sub-image y offset given by the user.
+ * \param zoffset sub-image z offset given by the user.
+ * \param format pixel data format given by the user.
+ * \param type pixel data type given by the user.
+ * \param width image width given by the user.
+ * \param height image height given by the user.
+ * \param depth image depth given by the user.
+ *
+ * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
+ *
+ * Verifies each of the parameters against the constants specified in
+ * __struct gl_contextRec::Const and the supported extensions, and according
+ * to the OpenGL specification.
+ */
+static GLboolean
+subtexture_error_check( struct gl_context *ctx, GLuint dimensions,
+ GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLint width, GLint height, GLint depth,
+ GLenum format, GLenum type )
+{
+ /* Basic level check */
+ if (level < 0 || level >= MAX_TEXTURE_LEVELS) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glTexSubImage2D(level=%d)", level);
+ return GL_TRUE;
+ }
+
+ /* Check for negative sizes */
+ if (width < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glTexSubImage%dD(width=%d)", dimensions, width);
+ return GL_TRUE;
+ }
+ if (height < 0 && dimensions > 1) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glTexSubImage%dD(height=%d)", dimensions, height);
+ return GL_TRUE;
+ }
+ if (depth < 0 && dimensions > 2) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glTexSubImage%dD(depth=%d)", dimensions, depth);
+ return GL_TRUE;
+ }
+
+ if (!_mesa_is_legal_format_and_type(ctx, format, type)) {
+ /* As with the glTexImage2D check above, the error code here
+ * depends on texture integer.
+ */
+ GLenum error = _mesa_is_integer_format(format)
+ ? GL_INVALID_OPERATION : GL_INVALID_ENUM;
+ _mesa_error(ctx, error,
+ "glTexSubImage%dD(incompatible format 0x%x, type 0x%x)",
+ dimensions, format, type);
+ return GL_TRUE;
+ }
+
+ return GL_FALSE;
+}
+
+
+/**
+ * Do second part of glTexSubImage which depends on the destination texture.
+ * \return GL_TRUE if error recorded, GL_FALSE otherwise
+ */
+static GLboolean
+subtexture_error_check2( struct gl_context *ctx, GLuint dimensions,
+ GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLint width, GLint height, GLint depth,
+ GLenum format, GLenum type,
+ const struct gl_texture_image *destTex )
+{
+ if (!destTex) {
+ /* undefined image level */
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glTexSubImage%dD", dimensions);
+ return GL_TRUE;
+ }
+
+ if (xoffset < -((GLint)destTex->Border)) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(xoffset)",
+ dimensions);
+ return GL_TRUE;
+ }
+ if (xoffset + width > (GLint) (destTex->Width + destTex->Border)) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(xoffset+width)",
+ dimensions);
+ return GL_TRUE;
+ }
+ if (dimensions > 1) {
+ if (yoffset < -((GLint)destTex->Border)) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(yoffset)",
+ dimensions);
+ return GL_TRUE;
+ }
+ if (yoffset + height > (GLint) (destTex->Height + destTex->Border)) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(yoffset+height)",
+ dimensions);
+ return GL_TRUE;
+ }
+ }
+ if (dimensions > 2) {
+ if (zoffset < -((GLint)destTex->Border)) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage3D(zoffset)");
+ return GL_TRUE;
+ }
+ if (zoffset + depth > (GLint) (destTex->Depth + destTex->Border)) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage3D(zoffset+depth)");
+ return GL_TRUE;
+ }
+ }
+
+ if (_mesa_is_format_compressed(destTex->TexFormat)) {
+ GLuint bw, bh;
+
+ /* do tests which depend on compression block size */
+ _mesa_get_format_block_size(destTex->TexFormat, &bw, &bh);
+
+ /* offset must be multiple of block size */
+ if ((xoffset % bw != 0) || (yoffset % bh != 0)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexSubImage%dD(xoffset = %d, yoffset = %d)",
+ dimensions, xoffset, yoffset);
+ return GL_TRUE;
+ }
+ /* size must be multiple of bw by bh or equal to whole texture size */
+ if ((width % bw != 0) && (GLuint) width != destTex->Width) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexSubImage%dD(width = %d)", dimensions, width);
+ return GL_TRUE;
+ }
+ if ((height % bh != 0) && (GLuint) height != destTex->Height) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glTexSubImage%dD(height = %d)", dimensions, height);
+ return GL_TRUE;
+ }
+ }
+
+ return GL_FALSE;
+}
+
+
+/**
+ * Test glCopyTexImage[12]D() parameters for errors.
+ *
+ * \param ctx GL context.
+ * \param dimensions texture image dimensions (must be 1, 2 or 3).
+ * \param target texture target given by the user.
+ * \param level image level given by the user.
+ * \param internalFormat internal format given by the user.
+ * \param width image width given by the user.
+ * \param height image height given by the user.
+ * \param border texture border.
+ *
+ * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
+ *
+ * Verifies each of the parameters against the constants specified in
+ * __struct gl_contextRec::Const and the supported extensions, and according
+ * to the OpenGL specification.
+ */
+static GLboolean
+copytexture_error_check( struct gl_context *ctx, GLuint dimensions,
+ GLenum target, GLint level, GLint internalFormat,
+ GLint width, GLint height, GLint border )
+{
+ const GLenum proxyTarget = get_proxy_target(target);
+ const GLenum type = GL_FLOAT;
+ GLboolean sizeOK;
+ GLint format;
+
+ /* check target */
+ if (!legal_texsubimage_target(ctx, dimensions, target)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glCopyTexImage%uD(target=%s)",
+ dimensions, _mesa_lookup_enum_by_nr(target));
+ return GL_TRUE;
+ }
+
+ /* Basic level check (more checking in ctx->Driver.TestProxyTexImage) */
+ if (level < 0 || level >= MAX_TEXTURE_LEVELS) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexImage%dD(level=%d)", dimensions, level);
+ return GL_TRUE;
+ }
+
+ /* Check that the source buffer is complete */
+ if (ctx->ReadBuffer->Name) {
+ if (ctx->ReadBuffer->_Status == 0) {
+ _mesa_test_framebuffer_completeness(ctx, ctx->ReadBuffer);
+ }
+ if (ctx->ReadBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
+ _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
+ "glCopyTexImage%dD(invalid readbuffer)", dimensions);
+ return GL_TRUE;
+ }
+ }
+
+ /* Check border */
+ if (border < 0 || border > 1 ||
+ ((target == GL_TEXTURE_RECTANGLE_NV ||
+ target == GL_PROXY_TEXTURE_RECTANGLE_NV) && border != 0)) {
+ return GL_TRUE;
+ }
+
+ format = _mesa_base_tex_format(ctx, internalFormat);
+ if (format < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexImage%dD(internalFormat)", dimensions);
+ return GL_TRUE;
+ }
+
+ if (!_mesa_source_buffer_exists(ctx, format)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCopyTexImage%dD(missing readbuffer)", dimensions);
+ return GL_TRUE;
+ }
+
+ /* Do size, level checking */
+ sizeOK = (proxyTarget == GL_PROXY_TEXTURE_CUBE_MAP_ARB)
+ ? (width == height) : 1;
+
+ sizeOK = sizeOK && ctx->Driver.TestProxyTexImage(ctx, proxyTarget, level,
+ internalFormat, format,
+ type, width, height,
+ 1, border);
+
+ if (!sizeOK) {
+ if (dimensions == 1) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexImage1D(width=%d)", width);
+ }
+ else {
+ ASSERT(dimensions == 2);
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexImage2D(width=%d, height=%d)", width, height);
+ }
+ return GL_TRUE;
+ }
+
+ if (_mesa_is_compressed_format(ctx, internalFormat)) {
+ if (!target_can_be_compressed(ctx, target, internalFormat)) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glCopyTexImage%dD(target)", dimensions);
+ return GL_TRUE;
+ }
+ if (border != 0) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCopyTexImage%dD(border!=0)", dimensions);
+ return GL_TRUE;
+ }
+ }
+ else if (_mesa_is_depth_format(internalFormat)) {
+ /* make sure we have depth/stencil buffers */
+ if (!ctx->ReadBuffer->_DepthBuffer) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCopyTexImage%dD(no depth)", dimensions);
+ return GL_TRUE;
+ }
+ }
+ else if (_mesa_is_depthstencil_format(internalFormat)) {
+ /* make sure we have depth/stencil buffers */
+ if (!ctx->ReadBuffer->_DepthBuffer || !ctx->ReadBuffer->_StencilBuffer) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCopyTexImage%dD(no depth/stencil buffer)", dimensions);
+ return GL_TRUE;
+ }
+ }
+
+ /* if we get here, the parameters are OK */
+ return GL_FALSE;
+}
+
+
+/**
+ * Test glCopyTexSubImage[12]D() parameters for errors.
+ * Note that this is the first part of error checking.
+ * See also copytexsubimage_error_check2() below for the second part.
+ *
+ * \param ctx GL context.
+ * \param dimensions texture image dimensions (must be 1, 2 or 3).
+ * \param target texture target given by the user.
+ * \param level image level given by the user.
+ *
+ * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
+ */
+static GLboolean
+copytexsubimage_error_check1( struct gl_context *ctx, GLuint dimensions,
+ GLenum target, GLint level)
+{
+ /* Check that the source buffer is complete */
+ if (ctx->ReadBuffer->Name) {
+ if (ctx->ReadBuffer->_Status == 0) {
+ _mesa_test_framebuffer_completeness(ctx, ctx->ReadBuffer);
+ }
+ if (ctx->ReadBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
+ _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
+ "glCopyTexImage%dD(invalid readbuffer)", dimensions);
+ return GL_TRUE;
+ }
+ }
+
+ /* check target (proxies not allowed) */
+ if (!legal_texsubimage_target(ctx, dimensions, target)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glCopyTexSubImage%uD(target=%s)",
+ dimensions, _mesa_lookup_enum_by_nr(target));
+ return GL_TRUE;
+ }
+
+ /* Check level */
+ if (level < 0 || level >= MAX_TEXTURE_LEVELS) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexSubImage%dD(level=%d)", dimensions, level);
+ return GL_TRUE;
+ }
+
+ return GL_FALSE;
+}
+
+
+/**
+ * Second part of error checking for glCopyTexSubImage[12]D().
+ * \param xoffset sub-image x offset given by the user.
+ * \param yoffset sub-image y offset given by the user.
+ * \param zoffset sub-image z offset given by the user.
+ * \param width image width given by the user.
+ * \param height image height given by the user.
+ */
+static GLboolean
+copytexsubimage_error_check2( struct gl_context *ctx, GLuint dimensions,
+ GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLsizei width, GLsizei height,
+ const struct gl_texture_image *teximage )
+{
+ /* check that dest tex image exists */
+ if (!teximage) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCopyTexSubImage%dD(undefined texture level: %d)",
+ dimensions, level);
+ return GL_TRUE;
+ }
+
+ /* Check size */
+ if (width < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexSubImage%dD(width=%d)", dimensions, width);
+ return GL_TRUE;
+ }
+ if (dimensions > 1 && height < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexSubImage%dD(height=%d)", dimensions, height);
+ return GL_TRUE;
+ }
+
+ /* check x/y offsets */
+ if (xoffset < -((GLint)teximage->Border)) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexSubImage%dD(xoffset=%d)", dimensions, xoffset);
+ return GL_TRUE;
+ }
+ if (xoffset + width > (GLint) (teximage->Width + teximage->Border)) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexSubImage%dD(xoffset+width)", dimensions);
+ return GL_TRUE;
+ }
+ if (dimensions > 1) {
+ if (yoffset < -((GLint)teximage->Border)) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexSubImage%dD(yoffset=%d)", dimensions, yoffset);
+ return GL_TRUE;
+ }
+ /* NOTE: we're adding the border here, not subtracting! */
+ if (yoffset + height > (GLint) (teximage->Height + teximage->Border)) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexSubImage%dD(yoffset+height)", dimensions);
+ return GL_TRUE;
+ }
+ }
+
+ /* check z offset */
+ if (dimensions > 2) {
+ if (zoffset < -((GLint)teximage->Border)) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexSubImage%dD(zoffset)", dimensions);
+ return GL_TRUE;
+ }
+ if (zoffset > (GLint) (teximage->Depth + teximage->Border)) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexSubImage%dD(zoffset+depth)", dimensions);
+ return GL_TRUE;
+ }
+ }
+
+ if (_mesa_is_format_compressed(teximage->TexFormat)) {
+ /* offset must be multiple of 4 */
+ if ((xoffset & 3) || (yoffset & 3)) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexSubImage%dD(xoffset or yoffset)", dimensions);
+ return GL_TRUE;
+ }
+ /* size must be multiple of 4 */
+ if ((width & 3) != 0 && (GLuint) width != teximage->Width) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexSubImage%dD(width)", dimensions);
+ return GL_TRUE;
+ }
+ if ((height & 3) != 0 && (GLuint) height != teximage->Height) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCopyTexSubImage%dD(height)", dimensions);
+ return GL_TRUE;
+ }
+ }
+
+ if (teximage->InternalFormat == GL_YCBCR_MESA) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glCopyTexSubImage2D");
+ return GL_TRUE;
+ }
+
+ if (!_mesa_source_buffer_exists(ctx, teximage->_BaseFormat)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCopyTexSubImage%dD(missing readbuffer, format=0x%x)",
+ dimensions, teximage->_BaseFormat);
+ return GL_TRUE;
+ }
+
+ if (teximage->_BaseFormat == GL_DEPTH_COMPONENT) {
+ if (!ctx->ReadBuffer->_DepthBuffer) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCopyTexSubImage%dD(no depth buffer)",
+ dimensions);
+ return GL_TRUE;
+ }
+ }
+ else if (teximage->_BaseFormat == GL_DEPTH_STENCIL_EXT) {
+ if (!ctx->ReadBuffer->_DepthBuffer || !ctx->ReadBuffer->_StencilBuffer) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCopyTexSubImage%dD(no depth/stencil buffer)",
+ dimensions);
+ return GL_TRUE;
+ }
+ }
+
+ /* If copying into an integer texture, the source buffer must also be
+ * integer-valued.
+ */
+ if (_mesa_is_format_integer_color(teximage->TexFormat)) {
+ struct gl_renderbuffer *rb = ctx->ReadBuffer->_ColorReadBuffer;
+ if (!_mesa_is_format_integer_color(rb->Format)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCopyTexSubImage%dD(source buffer is not integer format)",
+ dimensions);
+ return GL_TRUE;
+ }
+ }
+
+ /* if we get here, the parameters are OK */
+ return GL_FALSE;
+}
+
+
+/** Callback info for walking over FBO hash table */
+struct cb_info
+{
+ struct gl_context *ctx;
+ struct gl_texture_object *texObj;
+ GLuint level, face;
+};
+
+
+/**
+ * Check render to texture callback. Called from _mesa_HashWalk().
+ */
+static void
+check_rtt_cb(GLuint key, void *data, void *userData)
+{
+ struct gl_framebuffer *fb = (struct gl_framebuffer *) data;
+ const struct cb_info *info = (struct cb_info *) userData;
+ struct gl_context *ctx = info->ctx;
+ const struct gl_texture_object *texObj = info->texObj;
+ const GLuint level = info->level, face = info->face;
+
+ /* If this is a user-created FBO */
+ if (fb->Name) {
+ GLuint i;
+ /* check if any of the FBO's attachments point to 'texObj' */
+ for (i = 0; i < BUFFER_COUNT; i++) {
+ struct gl_renderbuffer_attachment *att = fb->Attachment + i;
+ if (att->Type == GL_TEXTURE &&
+ att->Texture == texObj &&
+ att->TextureLevel == level &&
+ att->CubeMapFace == face) {
+ ASSERT(att->Texture->Image[att->CubeMapFace][att->TextureLevel]);
+ /* Tell driver about the new renderbuffer texture */
+ ctx->Driver.RenderTexture(ctx, ctx->DrawBuffer, att);
+ /* Mark fb status as indeterminate to force re-validation */
+ fb->_Status = 0;
+ }
+ }
+ }
+}
+
+
+/**
+ * When a texture image is specified we have to check if it's bound to
+ * any framebuffer objects (render to texture) in order to detect changes
+ * in size or format since that effects FBO completeness.
+ * Any FBOs rendering into the texture must be re-validated.
+ */
+static void
+update_fbo_texture(struct gl_context *ctx, struct gl_texture_object *texObj,
+ GLuint face, GLuint level)
+{
+ /* Only check this texture if it's been marked as RenderToTexture */
+ if (texObj->_RenderToTexture) {
+ struct cb_info info;
+ info.ctx = ctx;
+ info.texObj = texObj;
+ info.level = level;
+ info.face = face;
+ _mesa_HashWalk(ctx->Shared->FrameBuffers, check_rtt_cb, &info);
+ }
+}
+
+
+/**
+ * If the texture object's GenerateMipmap flag is set and we've
+ * changed the texture base level image, regenerate the rest of the
+ * mipmap levels now.
+ */
+static INLINE void
+check_gen_mipmap(struct gl_context *ctx, GLenum target,
+ struct gl_texture_object *texObj, GLint level)
+{
+ ASSERT(target != GL_TEXTURE_CUBE_MAP);
+ if (texObj->GenerateMipmap &&
+ level == texObj->BaseLevel &&
+ level < texObj->MaxLevel) {
+ ASSERT(ctx->Driver.GenerateMipmap);
+ ctx->Driver.GenerateMipmap(ctx, target, texObj);
+ }
+}
+
+
+/** Debug helper: override the user-requested internal format */
+static GLenum
+override_internal_format(GLenum internalFormat, GLint width, GLint height)
+{
+#if 0
+ if (internalFormat == GL_RGBA16F_ARB ||
+ internalFormat == GL_RGBA32F_ARB) {
+ printf("Convert rgba float tex to int %d x %d\n", width, height);
+ return GL_RGBA;
+ }
+ else if (internalFormat == GL_RGB16F_ARB ||
+ internalFormat == GL_RGB32F_ARB) {
+ printf("Convert rgb float tex to int %d x %d\n", width, height);
+ return GL_RGB;
+ }
+ else if (internalFormat == GL_LUMINANCE_ALPHA16F_ARB ||
+ internalFormat == GL_LUMINANCE_ALPHA32F_ARB) {
+ printf("Convert luminance float tex to int %d x %d\n", width, height);
+ return GL_LUMINANCE_ALPHA;
+ }
+ else if (internalFormat == GL_LUMINANCE16F_ARB ||
+ internalFormat == GL_LUMINANCE32F_ARB) {
+ printf("Convert luminance float tex to int %d x %d\n", width, height);
+ return GL_LUMINANCE;
+ }
+ else if (internalFormat == GL_ALPHA16F_ARB ||
+ internalFormat == GL_ALPHA32F_ARB) {
+ printf("Convert luminance float tex to int %d x %d\n", width, height);
+ return GL_ALPHA;
+ }
+ /*
+ else if (internalFormat == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT) {
+ internalFormat = GL_RGBA;
+ }
+ */
+ else {
+ return internalFormat;
+ }
+#else
+ return internalFormat;
+#endif
+}
+
+
+/**
+ * Choose the actual hardware format for a texture image.
+ * Try to use the same format as the previous image level when possible.
+ * Otherwise, ask the driver for the best format.
+ * It's important to try to choose a consistant format for all levels
+ * for efficient texture memory layout/allocation. In particular, this
+ * comes up during automatic mipmap generation.
+ */
+gl_format
+_mesa_choose_texture_format(struct gl_context *ctx,
+ struct gl_texture_object *texObj,
+ GLenum target, GLint level,
+ GLenum internalFormat, GLenum format, GLenum type)
+{
+ gl_format f;
+
+ /* see if we've already chosen a format for the previous level */
+ if (level > 0) {
+ struct gl_texture_image *prevImage =
+ _mesa_select_tex_image(ctx, texObj, target, level - 1);
+ /* See if the prev level is defined and has an internal format which
+ * matches the new internal format.
+ */
+ if (prevImage &&
+ prevImage->Width > 0 &&
+ prevImage->InternalFormat == internalFormat) {
+ /* use the same format */
+ ASSERT(prevImage->TexFormat != MESA_FORMAT_NONE);
+ return prevImage->TexFormat;
+ }
+ }
+
+ /* choose format from scratch */
+ f = ctx->Driver.ChooseTextureFormat(ctx, internalFormat, format, type);
+ ASSERT(f != MESA_FORMAT_NONE);
+ return f;
+}
+
+
+/**
+ * Common code to implement all the glTexImage1D/2D/3D functions.
+ */
+static void
+teximage(struct gl_context *ctx, GLuint dims,
+ GLenum target, GLint level, GLint internalFormat,
+ GLsizei width, GLsizei height, GLsizei depth,
+ GLint border, GLenum format, GLenum type,
+ const GLvoid *pixels)
+{
+ GLboolean error;
+
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
+ _mesa_debug(ctx, "glTexImage%uD %s %d %s %d %d %d %d %s %s %p\n",
+ dims,
+ _mesa_lookup_enum_by_nr(target), level,
+ _mesa_lookup_enum_by_nr(internalFormat),
+ width, height, depth, border,
+ _mesa_lookup_enum_by_nr(format),
+ _mesa_lookup_enum_by_nr(type), pixels);
+
+ internalFormat = override_internal_format(internalFormat, width, height);
+
+ /* target error checking */
+ if (!legal_teximage_target(ctx, dims, target)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glTexImage%uD(target=%s)",
+ dims, _mesa_lookup_enum_by_nr(target));
+ return;
+ }
+
+ /* general error checking */
+ error = texture_error_check(ctx, dims, target, level, internalFormat,
+ format, type, width, height, depth, border);
+
+ if (_mesa_is_proxy_texture(target)) {
+ /* Proxy texture: just clear or set state depending on error checking */
+ struct gl_texture_image *texImage =
+ _mesa_get_proxy_tex_image(ctx, target, level);
+
+ if (error) {
+ /* when error, clear all proxy texture image parameters */
+ if (texImage)
+ clear_teximage_fields(texImage);
+ }
+ else {
+ /* no error, set the tex image parameters */
+ struct gl_texture_object *texObj =
+ _mesa_get_current_tex_object(ctx, target);
+ gl_format texFormat = _mesa_choose_texture_format(ctx, texObj,
+ target, level,
+ internalFormat,
+ format, type);
+
+ if (legal_texture_size(ctx, texFormat, width, height, depth)) {
+ _mesa_init_teximage_fields(ctx, target, texImage, width, height,
+ depth, border, internalFormat,
+ texFormat);
+ }
+ else if (texImage) {
+ clear_teximage_fields(texImage);
+ }
+ }
+ }
+ else {
+ /* non-proxy target */
+ const GLuint face = _mesa_tex_target_to_face(target);
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+
+ if (error) {
+ return; /* error was recorded */
+ }
+
+ if (ctx->NewState & _NEW_PIXEL)
+ _mesa_update_state(ctx);
+
+ texObj = _mesa_get_current_tex_object(ctx, target);
+
+ _mesa_lock_texture(ctx, texObj);
+ {
+ texImage = _mesa_get_tex_image(ctx, texObj, target, level);
+
+ if (!texImage) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage%uD", dims);
+ }
+ else {
+ gl_format texFormat;
+
+ if (texImage->Data) {
+ ctx->Driver.FreeTexImageData( ctx, texImage );
+ }
+
+ ASSERT(texImage->Data == NULL);
+ texFormat = _mesa_choose_texture_format(ctx, texObj, target, level,
+ internalFormat, format,
+ type);
+
+ if (legal_texture_size(ctx, texFormat, width, height, depth)) {
+ _mesa_init_teximage_fields(ctx, target, texImage,
+ width, height, depth,
+ border, internalFormat, texFormat);
+
+ /* Give the texture to the driver. <pixels> may be null. */
+ ASSERT(ctx->Driver.TexImage3D);
+ switch (dims) {
+ case 1:
+ ctx->Driver.TexImage1D(ctx, target, level, internalFormat,
+ width, border, format,
+ type, pixels, &ctx->Unpack, texObj,
+ texImage);
+ break;
+ case 2:
+ ctx->Driver.TexImage2D(ctx, target, level, internalFormat,
+ width, height, border, format,
+ type, pixels, &ctx->Unpack, texObj,
+ texImage);
+ break;
+ case 3:
+ ctx->Driver.TexImage3D(ctx, target, level, internalFormat,
+ width, height, depth, border, format,
+ type, pixels, &ctx->Unpack, texObj,
+ texImage);
+ break;
+ default:
+ _mesa_problem(ctx, "invalid dims=%u in teximage()", dims);
+ }
+
+ check_gen_mipmap(ctx, target, texObj, level);
+
+ update_fbo_texture(ctx, texObj, face, level);
+
+ /* state update */
+ texObj->_Complete = GL_FALSE;
+ ctx->NewState |= _NEW_TEXTURE;
+ }
+ else {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage%uD", dims);
+ }
+ }
+ }
+ _mesa_unlock_texture(ctx, texObj);
+ }
+}
+
+
+/*
+ * Called from the API. Note that width includes the border.
+ */
+void GLAPIENTRY
+_mesa_TexImage1D( GLenum target, GLint level, GLint internalFormat,
+ GLsizei width, GLint border, GLenum format,
+ GLenum type, const GLvoid *pixels )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ teximage(ctx, 1, target, level, internalFormat, width, 1, 1,
+ border, format, type, pixels);
+}
+
+
+void GLAPIENTRY
+_mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat,
+ GLsizei width, GLsizei height, GLint border,
+ GLenum format, GLenum type,
+ const GLvoid *pixels )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ teximage(ctx, 2, target, level, internalFormat, width, height, 1,
+ border, format, type, pixels);
+}
+
+
+/*
+ * Called by the API or display list executor.
+ * Note that width and height include the border.
+ */
+void GLAPIENTRY
+_mesa_TexImage3D( GLenum target, GLint level, GLint internalFormat,
+ GLsizei width, GLsizei height, GLsizei depth,
+ GLint border, GLenum format, GLenum type,
+ const GLvoid *pixels )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ teximage(ctx, 3, target, level, internalFormat, width, height, depth,
+ border, format, type, pixels);
+}
+
+
+void GLAPIENTRY
+_mesa_TexImage3DEXT( GLenum target, GLint level, GLenum internalFormat,
+ GLsizei width, GLsizei height, GLsizei depth,
+ GLint border, GLenum format, GLenum type,
+ const GLvoid *pixels )
+{
+ _mesa_TexImage3D(target, level, (GLint) internalFormat, width, height,
+ depth, border, format, type, pixels);
+}
+
+
+#if FEATURE_OES_EGL_image
+void GLAPIENTRY
+_mesa_EGLImageTargetTexture2DOES (GLenum target, GLeglImageOES image)
+{
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (!ctx->Extensions.OES_EGL_image) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glEGLImageTargetTexture2DOES(unsupported)");
+ return;
+ }
+
+ if (target != GL_TEXTURE_2D) {
+ _mesa_error(ctx, GL_INVALID_ENUM,
+ "glEGLImageTargetTexture2D(target=%d)", target);
+ return;
+ }
+
+ if (ctx->NewState & _NEW_PIXEL)
+ _mesa_update_state(ctx);
+
+ texObj = _mesa_get_current_tex_object(ctx, target);
+ _mesa_lock_texture(ctx, texObj);
+
+ texImage = _mesa_get_tex_image(ctx, texObj, target, 0);
+ if (!texImage) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glEGLImageTargetTexture2D");
+ } else {
+ if (texImage->Data)
+ ctx->Driver.FreeTexImageData( ctx, texImage );
+
+ ASSERT(texImage->Data == NULL);
+ ctx->Driver.EGLImageTargetTexture2D(ctx, target,
+ texObj, texImage, image);
+
+ /* state update */
+ texObj->_Complete = GL_FALSE;
+ ctx->NewState |= _NEW_TEXTURE;
+ }
+ _mesa_unlock_texture(ctx, texObj);
+
+}
+#endif
+
+
+
+/**
+ * Implement all the glTexSubImage1/2/3D() functions.
+ */
+static void
+texsubimage(struct gl_context *ctx, GLuint dims, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLsizei width, GLsizei height, GLsizei depth,
+ GLenum format, GLenum type, const GLvoid *pixels )
+{
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
+ _mesa_debug(ctx, "glTexSubImage%uD %s %d %d %d %d %d %d %d %s %s %p\n",
+ dims,
+ _mesa_lookup_enum_by_nr(target), level,
+ xoffset, yoffset, zoffset, width, height, depth,
+ _mesa_lookup_enum_by_nr(format),
+ _mesa_lookup_enum_by_nr(type), pixels);
+
+ /* check target (proxies not allowed) */
+ if (!legal_texsubimage_target(ctx, dims, target)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glTexSubImage%uD(target=%s)",
+ dims, _mesa_lookup_enum_by_nr(target));
+ return;
+ }
+
+ if (ctx->NewState & _NEW_PIXEL)
+ _mesa_update_state(ctx);
+
+ if (subtexture_error_check(ctx, dims, target, level, xoffset, yoffset, zoffset,
+ width, height, depth, format, type)) {
+ return; /* error was detected */
+ }
+
+ texObj = _mesa_get_current_tex_object(ctx, target);
+
+ _mesa_lock_texture(ctx, texObj);
+ {
+ texImage = _mesa_select_tex_image(ctx, texObj, target, level);
+
+ if (subtexture_error_check2(ctx, dims, target, level,
+ xoffset, yoffset, zoffset,
+ width, height, depth,
+ format, type, texImage)) {
+ /* error was recorded */
+ }
+ else if (width > 0 && height > 0 && height > 0) {
+ /* If we have a border, offset=-1 is legal. Bias by border width. */
+ switch (dims) {
+ case 3:
+ zoffset += texImage->Border;
+ /* fall-through */
+ case 2:
+ yoffset += texImage->Border;
+ /* fall-through */
+ case 1:
+ xoffset += texImage->Border;
+ }
+
+ switch (dims) {
+ case 1:
+ ctx->Driver.TexSubImage1D(ctx, target, level,
+ xoffset, width,
+ format, type, pixels,
+ &ctx->Unpack, texObj, texImage );
+ break;
+ case 2:
+ ctx->Driver.TexSubImage2D(ctx, target, level,
+ xoffset, yoffset, width, height,
+ format, type, pixels,
+ &ctx->Unpack, texObj, texImage );
+ break;
+ case 3:
+ ctx->Driver.TexSubImage3D(ctx, target, level,
+ xoffset, yoffset, zoffset,
+ width, height, depth,
+ format, type, pixels,
+ &ctx->Unpack, texObj, texImage );
+ break;
+ default:
+ _mesa_problem(ctx, "unexpected dims in subteximage()");
+ }
+
+ check_gen_mipmap(ctx, target, texObj, level);
+
+ ctx->NewState |= _NEW_TEXTURE;
+ }
+ }
+ _mesa_unlock_texture(ctx, texObj);
+}
+
+
+void GLAPIENTRY
+_mesa_TexSubImage1D( GLenum target, GLint level,
+ GLint xoffset, GLsizei width,
+ GLenum format, GLenum type,
+ const GLvoid *pixels )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ texsubimage(ctx, 1, target, level,
+ xoffset, 0, 0,
+ width, 1, 1,
+ format, type, pixels);
+}
+
+
+void GLAPIENTRY
+_mesa_TexSubImage2D( GLenum target, GLint level,
+ GLint xoffset, GLint yoffset,
+ GLsizei width, GLsizei height,
+ GLenum format, GLenum type,
+ const GLvoid *pixels )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ texsubimage(ctx, 2, target, level,
+ xoffset, yoffset, 0,
+ width, height, 1,
+ format, type, pixels);
+}
+
+
+
+void GLAPIENTRY
+_mesa_TexSubImage3D( GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLsizei width, GLsizei height, GLsizei depth,
+ GLenum format, GLenum type,
+ const GLvoid *pixels )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ texsubimage(ctx, 3, target, level,
+ xoffset, yoffset, zoffset,
+ width, height, depth,
+ format, type, pixels);
+}
+
+
+
+/**
+ * Implement the glCopyTexImage1/2D() functions.
+ */
+static void
+copyteximage(struct gl_context *ctx, GLuint dims,
+ GLenum target, GLint level, GLenum internalFormat,
+ GLint x, GLint y, GLsizei width, GLsizei height, GLint border )
+{
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+ const GLuint face = _mesa_tex_target_to_face(target);
+
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
+ _mesa_debug(ctx, "glCopyTexImage%uD %s %d %s %d %d %d %d %d\n",
+ dims,
+ _mesa_lookup_enum_by_nr(target), level,
+ _mesa_lookup_enum_by_nr(internalFormat),
+ x, y, width, height, border);
+
+ if (ctx->NewState & NEW_COPY_TEX_STATE)
+ _mesa_update_state(ctx);
+
+ if (copytexture_error_check(ctx, dims, target, level, internalFormat,
+ width, height, border))
+ return;
+
+ texObj = _mesa_get_current_tex_object(ctx, target);
+
+ _mesa_lock_texture(ctx, texObj);
+ {
+ texImage = _mesa_get_tex_image(ctx, texObj, target, level);
+
+ if (!texImage) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage%uD", dims);
+ }
+ else {
+ gl_format texFormat;
+
+ if (texImage->Data) {
+ ctx->Driver.FreeTexImageData( ctx, texImage );
+ }
+
+ ASSERT(texImage->Data == NULL);
+
+ texFormat = _mesa_choose_texture_format(ctx, texObj, target, level,
+ internalFormat, GL_NONE,
+ GL_NONE);
+
+ if (legal_texture_size(ctx, texFormat, width, height, 1)) {
+ _mesa_init_teximage_fields(ctx, target, texImage, width, height, 1,
+ border, internalFormat, texFormat);
+
+ ASSERT(ctx->Driver.CopyTexImage2D);
+ if (dims == 1)
+ ctx->Driver.CopyTexImage1D(ctx, target, level, internalFormat,
+ x, y, width, border);
+ else
+ ctx->Driver.CopyTexImage2D(ctx, target, level, internalFormat,
+ x, y, width, height, border);
+
+ check_gen_mipmap(ctx, target, texObj, level);
+
+ update_fbo_texture(ctx, texObj, face, level);
+
+ /* state update */
+ texObj->_Complete = GL_FALSE;
+ ctx->NewState |= _NEW_TEXTURE;
+ }
+ else {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage%uD", dims);
+ }
+ }
+ }
+ _mesa_unlock_texture(ctx, texObj);
+}
+
+
+
+void GLAPIENTRY
+_mesa_CopyTexImage1D( GLenum target, GLint level,
+ GLenum internalFormat,
+ GLint x, GLint y,
+ GLsizei width, GLint border )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ copyteximage(ctx, 1, target, level, internalFormat, x, y, width, 1, border);
+}
+
+
+
+void GLAPIENTRY
+_mesa_CopyTexImage2D( GLenum target, GLint level, GLenum internalFormat,
+ GLint x, GLint y, GLsizei width, GLsizei height,
+ GLint border )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ copyteximage(ctx, 2, target, level, internalFormat,
+ x, y, width, height, border);
+}
+
+
+
+/**
+ * Implementation for glCopyTexSubImage1/2/3D() functions.
+ */
+static void
+copytexsubimage(struct gl_context *ctx, GLuint dims, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLint x, GLint y, GLsizei width, GLsizei height)
+{
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
+ _mesa_debug(ctx, "glCopyTexSubImage%uD %s %d %d %d %d %d %d %d %d\n",
+ dims,
+ _mesa_lookup_enum_by_nr(target),
+ level, xoffset, yoffset, zoffset, x, y, width, height);
+
+ if (ctx->NewState & NEW_COPY_TEX_STATE)
+ _mesa_update_state(ctx);
+
+ if (copytexsubimage_error_check1(ctx, dims, target, level))
+ return;
+
+ texObj = _mesa_get_current_tex_object(ctx, target);
+
+ _mesa_lock_texture(ctx, texObj);
+ {
+ texImage = _mesa_select_tex_image(ctx, texObj, target, level);
+
+ if (copytexsubimage_error_check2(ctx, dims, target, level, xoffset, yoffset,
+ zoffset, width, height, texImage)) {
+ /* error was recored */
+ }
+ else {
+ /* If we have a border, offset=-1 is legal. Bias by border width. */
+ switch (dims) {
+ case 3:
+ zoffset += texImage->Border;
+ /* fall-through */
+ case 2:
+ yoffset += texImage->Border;
+ /* fall-through */
+ case 1:
+ xoffset += texImage->Border;
+ }
+
+ if (_mesa_clip_copytexsubimage(ctx, &xoffset, &yoffset, &x, &y,
+ &width, &height)) {
+ switch (dims) {
+ case 1:
+ ctx->Driver.CopyTexSubImage1D(ctx, target, level,
+ xoffset, x, y, width);
+ break;
+ case 2:
+ ctx->Driver.CopyTexSubImage2D(ctx, target, level,
+ xoffset, yoffset,
+ x, y, width, height);
+ break;
+ case 3:
+ ctx->Driver.CopyTexSubImage3D(ctx, target, level,
+ xoffset, yoffset, zoffset,
+ x, y, width, height);
+ break;
+ default:
+ _mesa_problem(ctx, "bad dims in copytexsubimage()");
+ }
+
+ check_gen_mipmap(ctx, target, texObj, level);
+
+ ctx->NewState |= _NEW_TEXTURE;
+ }
+ }
+ }
+ _mesa_unlock_texture(ctx, texObj);
+}
+
+
+void GLAPIENTRY
+_mesa_CopyTexSubImage1D( GLenum target, GLint level,
+ GLint xoffset, GLint x, GLint y, GLsizei width )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ copytexsubimage(ctx, 1, target, level, xoffset, 0, 0, x, y, width, 1);
+}
+
+
+
+void GLAPIENTRY
+_mesa_CopyTexSubImage2D( GLenum target, GLint level,
+ GLint xoffset, GLint yoffset,
+ GLint x, GLint y, GLsizei width, GLsizei height )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ copytexsubimage(ctx, 2, target, level, xoffset, yoffset, 0, x, y,
+ width, height);
+}
+
+
+
+void GLAPIENTRY
+_mesa_CopyTexSubImage3D( GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLint x, GLint y, GLsizei width, GLsizei height )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ copytexsubimage(ctx, 3, target, level, xoffset, yoffset, zoffset,
+ x, y, width, height);
+}
+
+
+
+
+/**********************************************************************/
+/****** Compressed Textures ******/
+/**********************************************************************/
+
+
+/**
+ * Return expected size of a compressed texture.
+ */
+static GLuint
+compressed_tex_size(GLsizei width, GLsizei height, GLsizei depth,
+ GLenum glformat)
+{
+ gl_format mesaFormat = _mesa_glenum_to_compressed_format(glformat);
+ return _mesa_format_image_size(mesaFormat, width, height, depth);
+}
+
+
+/*
+ * Return compressed texture block size, in pixels.
+ */
+static void
+get_compressed_block_size(GLenum glformat, GLuint *bw, GLuint *bh)
+{
+ gl_format mesaFormat = _mesa_glenum_to_compressed_format(glformat);
+ _mesa_get_format_block_size(mesaFormat, bw, bh);
+}
+
+
+/**
+ * Error checking for glCompressedTexImage[123]D().
+ * \return error code or GL_NO_ERROR.
+ */
+static GLenum
+compressed_texture_error_check(struct gl_context *ctx, GLint dimensions,
+ GLenum target, GLint level,
+ GLenum internalFormat, GLsizei width,
+ GLsizei height, GLsizei depth, GLint border,
+ GLsizei imageSize)
+{
+ const GLenum proxyTarget = get_proxy_target(target);
+ const GLint maxLevels = _mesa_max_texture_levels(ctx, target);
+ GLint expectedSize;
+
+ /* check level */
+ if (level < 0 || level >= maxLevels)
+ return GL_INVALID_VALUE;
+
+ if (!target_can_be_compressed(ctx, target, internalFormat)) {
+ return GL_INVALID_ENUM;
+ }
+
+ /* This will detect any invalid internalFormat value */
+ if (!_mesa_is_compressed_format(ctx, internalFormat))
+ return GL_INVALID_ENUM;
+
+ /* This should really never fail */
+ if (_mesa_base_tex_format(ctx, internalFormat) < 0)
+ return GL_INVALID_ENUM;
+
+ /* No compressed formats support borders at this time */
+ if (border != 0)
+ return GL_INVALID_VALUE;
+
+ /* For cube map, width must equal height */
+ if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
+ target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB && width != height)
+ return GL_INVALID_VALUE;
+
+ /* check image size against compression block size */
+ {
+ gl_format texFormat =
+ ctx->Driver.ChooseTextureFormat(ctx, internalFormat,
+ GL_NONE, GL_NONE);
+ GLuint bw, bh;
+
+ _mesa_get_format_block_size(texFormat, &bw, &bh);
+ if ((width > bw && width % bw > 0) ||
+ (height > bh && height % bh > 0)) {
+ /*
+ * Per GL_ARB_texture_compression: GL_INVALID_OPERATION is
+ * generated [...] if any parameter combinations are not
+ * supported by the specific compressed internal format.
+ */
+ return GL_INVALID_OPERATION;
+ }
+ }
+
+ /* check image sizes */
+ if (!ctx->Driver.TestProxyTexImage(ctx, proxyTarget, level,
+ internalFormat, GL_NONE, GL_NONE,
+ width, height, depth, border)) {
+ /* See error comment above */
+ return GL_INVALID_OPERATION;
+ }
+
+ /* check image size in bytes */
+ expectedSize = compressed_tex_size(width, height, depth, internalFormat);
+ if (expectedSize != imageSize) {
+ /* Per GL_ARB_texture_compression: GL_INVALID_VALUE is generated [...]
+ * if <imageSize> is not consistent with the format, dimensions, and
+ * contents of the specified image.
+ */
+ return GL_INVALID_VALUE;
+ }
+
+ return GL_NO_ERROR;
+}
+
+
+/**
+ * Error checking for glCompressedTexSubImage[123]D().
+ * \warning There are some bad assumptions here about the size of compressed
+ * texture tiles (multiple of 4) used to test the validity of the
+ * offset and size parameters.
+ * \return error code or GL_NO_ERROR.
+ */
+static GLenum
+compressed_subtexture_error_check(struct gl_context *ctx, GLint dimensions,
+ GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLsizei width, GLsizei height, GLsizei depth,
+ GLenum format, GLsizei imageSize)
+{
+ GLint expectedSize, maxLevels = 0, maxTextureSize;
+ GLuint bw, bh;
+ (void) zoffset;
+
+ if (dimensions == 1) {
+ /* 1D compressed textures not allowed */
+ return GL_INVALID_ENUM;
+ }
+ else if (dimensions == 2) {
+ if (target == GL_PROXY_TEXTURE_2D) {
+ maxLevels = ctx->Const.MaxTextureLevels;
+ }
+ else if (target == GL_TEXTURE_2D) {
+ maxLevels = ctx->Const.MaxTextureLevels;
+ }
+ else if (target == GL_PROXY_TEXTURE_CUBE_MAP_ARB) {
+ if (!ctx->Extensions.ARB_texture_cube_map)
+ return GL_INVALID_ENUM; /*target*/
+ maxLevels = ctx->Const.MaxCubeTextureLevels;
+ }
+ else if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
+ target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) {
+ if (!ctx->Extensions.ARB_texture_cube_map)
+ return GL_INVALID_ENUM; /*target*/
+ maxLevels = ctx->Const.MaxCubeTextureLevels;
+ }
+ else {
+ return GL_INVALID_ENUM; /*target*/
+ }
+ }
+ else if (dimensions == 3) {
+ /* 3D compressed textures not allowed */
+ return GL_INVALID_ENUM;
+ }
+
+ maxTextureSize = 1 << (maxLevels - 1);
+
+ /* this will catch any invalid compressed format token */
+ if (!_mesa_is_compressed_format(ctx, format))
+ return GL_INVALID_ENUM;
+
+ if (width < 1 || width > maxTextureSize)
+ return GL_INVALID_VALUE;
+
+ if ((height < 1 || height > maxTextureSize)
+ && dimensions > 1)
+ return GL_INVALID_VALUE;
+
+ if (level < 0 || level >= maxLevels)
+ return GL_INVALID_VALUE;
+
+ /*
+ * do checks which depend on compression block size
+ */
+ get_compressed_block_size(format, &bw, &bh);
+
+ if ((xoffset % bw != 0) || (yoffset % bh != 0))
+ return GL_INVALID_VALUE;
+
+ if ((width % bw != 0) && width != 2 && width != 1)
+ return GL_INVALID_VALUE;
+
+ if ((height % bh != 0) && height != 2 && height != 1)
+ return GL_INVALID_VALUE;
+
+ expectedSize = compressed_tex_size(width, height, depth, format);
+ if (expectedSize != imageSize)
+ return GL_INVALID_VALUE;
+
+ return GL_NO_ERROR;
+}
+
+
+/**
+ * Do second part of glCompressedTexSubImage error checking.
+ * \return GL_TRUE if error found, GL_FALSE otherwise.
+ */
+static GLboolean
+compressed_subtexture_error_check2(struct gl_context *ctx, GLuint dims,
+ GLsizei width, GLsizei height,
+ GLsizei depth, GLenum format,
+ struct gl_texture_image *texImage)
+{
+
+ if ((GLint) format != texImage->InternalFormat) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCompressedTexSubImage%uD(format=0x%x)", dims, format);
+ return GL_TRUE;
+ }
+
+ if (((width == 1 || width == 2) &&
+ width != (GLsizei) texImage->Width) ||
+ (width > (GLsizei) texImage->Width)) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCompressedTexSubImage%uD(width=%d)", dims, width);
+ return GL_TRUE;
+ }
+
+ if (dims >= 2) {
+ if (((height == 1 || height == 2) &&
+ height != (GLsizei) texImage->Height) ||
+ (height > (GLsizei) texImage->Height)) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCompressedTexSubImage%uD(height=%d)", dims, height);
+ return GL_TRUE;
+ }
+ }
+
+ if (dims >= 3) {
+ if (((depth == 1 || depth == 2) &&
+ depth != (GLsizei) texImage->Depth) ||
+ (depth > (GLsizei) texImage->Depth)) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glCompressedTexSubImage%uD(depth=%d)", dims, depth);
+ return GL_TRUE;
+ }
+ }
+
+ return GL_FALSE;
+}
+
+
+/**
+ * Implementation of the glCompressedTexImage1/2/3D() functions.
+ */
+static void
+compressedteximage(struct gl_context *ctx, GLuint dims,
+ GLenum target, GLint level,
+ GLenum internalFormat, GLsizei width,
+ GLsizei height, GLsizei depth, GLint border,
+ GLsizei imageSize, const GLvoid *data)
+{
+ GLenum error;
+
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
+ _mesa_debug(ctx,
+ "glCompressedTexImage%uDARB %s %d %s %d %d %d %d %d %p\n",
+ dims,
+ _mesa_lookup_enum_by_nr(target), level,
+ _mesa_lookup_enum_by_nr(internalFormat),
+ width, height, depth, border, imageSize, data);
+
+ /* check target */
+ if (!legal_teximage_target(ctx, dims, target)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glCompressedTexImage%uD(target=%s)",
+ dims, _mesa_lookup_enum_by_nr(target));
+ return;
+ }
+
+ error = compressed_texture_error_check(ctx, dims, target, level,
+ internalFormat, width, height, depth,
+ border, imageSize);
+
+#if FEATURE_ES
+ /* XXX this is kind of a hack */
+ if (error) {
+ _mesa_error(ctx, error, "glTexImage2D");
+ return;
+ }
+
+ if (dims == 2) {
+ switch (internalFormat) {
+ case GL_PALETTE4_RGB8_OES:
+ case GL_PALETTE4_RGBA8_OES:
+ case GL_PALETTE4_R5_G6_B5_OES:
+ case GL_PALETTE4_RGBA4_OES:
+ case GL_PALETTE4_RGB5_A1_OES:
+ case GL_PALETTE8_RGB8_OES:
+ case GL_PALETTE8_RGBA8_OES:
+ case GL_PALETTE8_R5_G6_B5_OES:
+ case GL_PALETTE8_RGBA4_OES:
+ case GL_PALETTE8_RGB5_A1_OES:
+ _mesa_cpal_compressed_teximage2d(target, level, internalFormat,
+ width, height, imageSize, data);
+ return;
+ }
+ }
+#endif
+
+ if (_mesa_is_proxy_texture(target)) {
+ /* Proxy texture: just check for errors and update proxy state */
+ struct gl_texture_image *texImage;
+
+ if (!error) {
+ struct gl_texture_object *texObj =
+ _mesa_get_current_tex_object(ctx, target);
+ gl_format texFormat =
+ _mesa_choose_texture_format(ctx, texObj, target, level,
+ internalFormat, GL_NONE, GL_NONE);
+ if (!legal_texture_size(ctx, texFormat, width, height, depth)) {
+ error = GL_OUT_OF_MEMORY;
+ }
+ }
+
+ texImage = _mesa_get_proxy_tex_image(ctx, target, level);
+ if (texImage) {
+ if (error) {
+ /* if error, clear all proxy texture image parameters */
+ clear_teximage_fields(texImage);
+ }
+ else {
+ /* no error: store the teximage parameters */
+ _mesa_init_teximage_fields(ctx, target, texImage, width, height,
+ depth, border, internalFormat,
+ MESA_FORMAT_NONE);
+ }
+ }
+ }
+ else {
+ /* non-proxy target */
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+
+ if (error) {
+ _mesa_error(ctx, error, "glCompressedTexImage%uD", dims);
+ return;
+ }
+
+ texObj = _mesa_get_current_tex_object(ctx, target);
+
+ _mesa_lock_texture(ctx, texObj);
+ {
+ texImage = _mesa_get_tex_image(ctx, texObj, target, level);
+ if (!texImage) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY,
+ "glCompressedTexImage%uD", dims);
+ }
+ else {
+ gl_format texFormat;
+
+ if (texImage->Data) {
+ ctx->Driver.FreeTexImageData( ctx, texImage );
+ }
+ ASSERT(texImage->Data == NULL);
+
+ texFormat = _mesa_choose_texture_format(ctx, texObj, target, level,
+ internalFormat, GL_NONE,
+ GL_NONE);
+
+ if (legal_texture_size(ctx, texFormat, width, height, depth)) {
+ _mesa_init_teximage_fields(ctx, target, texImage,
+ width, height, depth,
+ border, internalFormat, texFormat);
+
+ switch (dims) {
+ case 1:
+ ASSERT(ctx->Driver.CompressedTexImage1D);
+ ctx->Driver.CompressedTexImage1D(ctx, target, level,
+ internalFormat,
+ width,
+ border, imageSize, data,
+ texObj, texImage);
+ break;
+ case 2:
+ ASSERT(ctx->Driver.CompressedTexImage2D);
+ ctx->Driver.CompressedTexImage2D(ctx, target, level,
+ internalFormat,
+ width, height,
+ border, imageSize, data,
+ texObj, texImage);
+ break;
+ case 3:
+ ASSERT(ctx->Driver.CompressedTexImage3D);
+ ctx->Driver.CompressedTexImage3D(ctx, target, level,
+ internalFormat,
+ width, height, depth,
+ border, imageSize, data,
+ texObj, texImage);
+ break;
+ default:
+ _mesa_problem(ctx, "bad dims in compressedteximage");
+ }
+
+ check_gen_mipmap(ctx, target, texObj, level);
+
+ /* state update */
+ texObj->_Complete = GL_FALSE;
+ ctx->NewState |= _NEW_TEXTURE;
+ }
+ else {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY,
+ "glCompressedTexImage%uD", dims);
+ }
+ }
+ }
+ _mesa_unlock_texture(ctx, texObj);
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_CompressedTexImage1DARB(GLenum target, GLint level,
+ GLenum internalFormat, GLsizei width,
+ GLint border, GLsizei imageSize,
+ const GLvoid *data)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ compressedteximage(ctx, 1, target, level, internalFormat,
+ width, 1, 1, border, imageSize, data);
+}
+
+
+void GLAPIENTRY
+_mesa_CompressedTexImage2DARB(GLenum target, GLint level,
+ GLenum internalFormat, GLsizei width,
+ GLsizei height, GLint border, GLsizei imageSize,
+ const GLvoid *data)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ compressedteximage(ctx, 2, target, level, internalFormat,
+ width, height, 1, border, imageSize, data);
+}
+
+
+void GLAPIENTRY
+_mesa_CompressedTexImage3DARB(GLenum target, GLint level,
+ GLenum internalFormat, GLsizei width,
+ GLsizei height, GLsizei depth, GLint border,
+ GLsizei imageSize, const GLvoid *data)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ compressedteximage(ctx, 3, target, level, internalFormat,
+ width, height, depth, border, imageSize, data);
+}
+
+
+/**
+ * Common helper for glCompressedTexSubImage1/2/3D().
+ */
+static void
+compressed_tex_sub_image(GLuint dims, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLsizei width, GLsizei height, GLsizei depth,
+ GLenum format, GLsizei imageSize, const GLvoid *data)
+{
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+ GLenum error;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ error = compressed_subtexture_error_check(ctx, dims, target, level,
+ xoffset, 0, 0, /* pos */
+ width, height, depth, /* size */
+ format, imageSize);
+ if (error) {
+ _mesa_error(ctx, error, "glCompressedTexSubImage%uD", dims);
+ return;
+ }
+
+ texObj = _mesa_get_current_tex_object(ctx, target);
+
+ _mesa_lock_texture(ctx, texObj);
+ {
+ texImage = _mesa_select_tex_image(ctx, texObj, target, level);
+ assert(texImage);
+
+ if (compressed_subtexture_error_check2(ctx, dims, width, height, depth,
+ format, texImage)) {
+ /* error was recorded */
+ }
+ else if (width > 0 && height > 0 && depth > 0) {
+ switch (dims) {
+ case 1:
+ if (ctx->Driver.CompressedTexSubImage1D) {
+ ctx->Driver.CompressedTexSubImage1D(ctx, target, level,
+ xoffset, width,
+ format, imageSize, data,
+ texObj, texImage);
+ }
+ break;
+ case 2:
+ if (ctx->Driver.CompressedTexSubImage2D) {
+ ctx->Driver.CompressedTexSubImage2D(ctx, target, level,
+ xoffset, yoffset,
+ width, height,
+ format, imageSize, data,
+ texObj, texImage);
+ }
+ break;
+ case 3:
+ if (ctx->Driver.CompressedTexSubImage3D) {
+ ctx->Driver.CompressedTexSubImage3D(ctx, target, level,
+ xoffset, yoffset, zoffset,
+ width, height, depth,
+ format, imageSize, data,
+ texObj, texImage);
+ }
+ break;
+ default:
+ ;
+ }
+
+ check_gen_mipmap(ctx, target, texObj, level);
+
+ ctx->NewState |= _NEW_TEXTURE;
+ }
+ }
+ _mesa_unlock_texture(ctx, texObj);
+}
+
+
+void GLAPIENTRY
+_mesa_CompressedTexSubImage1DARB(GLenum target, GLint level, GLint xoffset,
+ GLsizei width, GLenum format,
+ GLsizei imageSize, const GLvoid *data)
+{
+ compressed_tex_sub_image(1, target, level, xoffset, 0, 0, width, 1, 1,
+ format, imageSize, data);
+}
+
+
+void GLAPIENTRY
+_mesa_CompressedTexSubImage2DARB(GLenum target, GLint level, GLint xoffset,
+ GLint yoffset, GLsizei width, GLsizei height,
+ GLenum format, GLsizei imageSize,
+ const GLvoid *data)
+{
+ compressed_tex_sub_image(2, target, level, xoffset, yoffset, 0,
+ width, height, 1, format, imageSize, data);
+}
+
+
+void GLAPIENTRY
+_mesa_CompressedTexSubImage3DARB(GLenum target, GLint level, GLint xoffset,
+ GLint yoffset, GLint zoffset, GLsizei width,
+ GLsizei height, GLsizei depth, GLenum format,
+ GLsizei imageSize, const GLvoid *data)
+{
+ compressed_tex_sub_image(3, target, level, xoffset, yoffset, zoffset,
+ width, height, depth, format, imageSize, data);
+}
diff --git a/mesalib/src/mesa/main/texobj.c b/mesalib/src/mesa/main/texobj.c
index c1e3e4dec..fa45cfb17 100644
--- a/mesalib/src/mesa/main/texobj.c
+++ b/mesalib/src/mesa/main/texobj.c
@@ -1,1267 +1,1267 @@
-/**
- * \file texobj.c
- * Texture object management.
- */
-
-/*
- * Mesa 3-D graphics library
- * Version: 7.1
- *
- * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-#include "mfeatures.h"
-#include "colortab.h"
-#include "context.h"
-#include "enums.h"
-#include "fbobject.h"
-#include "formats.h"
-#include "hash.h"
-#include "imports.h"
-#include "macros.h"
-#include "teximage.h"
-#include "texobj.h"
-#include "texstate.h"
-#include "mtypes.h"
-#include "program/prog_instruction.h"
-
-
-
-/**********************************************************************/
-/** \name Internal functions */
-/*@{*/
-
-
-/**
- * Return the gl_texture_object for a given ID.
- */
-struct gl_texture_object *
-_mesa_lookup_texture(struct gl_context *ctx, GLuint id)
-{
- return (struct gl_texture_object *)
- _mesa_HashLookup(ctx->Shared->TexObjects, id);
-}
-
-
-
-/**
- * Allocate and initialize a new texture object. But don't put it into the
- * texture object hash table.
- *
- * Called via ctx->Driver.NewTextureObject, unless overridden by a device
- * driver.
- *
- * \param shared the shared GL state structure to contain the texture object
- * \param name integer name for the texture object
- * \param target either GL_TEXTURE_1D, GL_TEXTURE_2D, GL_TEXTURE_3D,
- * GL_TEXTURE_CUBE_MAP_ARB or GL_TEXTURE_RECTANGLE_NV. zero is ok for the sake
- * of GenTextures()
- *
- * \return pointer to new texture object.
- */
-struct gl_texture_object *
-_mesa_new_texture_object( struct gl_context *ctx, GLuint name, GLenum target )
-{
- struct gl_texture_object *obj;
- (void) ctx;
- obj = MALLOC_STRUCT(gl_texture_object);
- _mesa_initialize_texture_object(obj, name, target);
- return obj;
-}
-
-
-/**
- * Initialize a new texture object to default values.
- * \param obj the texture object
- * \param name the texture name
- * \param target the texture target
- */
-void
-_mesa_initialize_texture_object( struct gl_texture_object *obj,
- GLuint name, GLenum target )
-{
- ASSERT(target == 0 ||
- target == GL_TEXTURE_1D ||
- target == GL_TEXTURE_2D ||
- target == GL_TEXTURE_3D ||
- target == GL_TEXTURE_CUBE_MAP_ARB ||
- target == GL_TEXTURE_RECTANGLE_NV ||
- target == GL_TEXTURE_1D_ARRAY_EXT ||
- target == GL_TEXTURE_2D_ARRAY_EXT);
-
- memset(obj, 0, sizeof(*obj));
- /* init the non-zero fields */
- _glthread_INIT_MUTEX(obj->Mutex);
- obj->RefCount = 1;
- obj->Name = name;
- obj->Target = target;
- obj->Priority = 1.0F;
- if (target == GL_TEXTURE_RECTANGLE_NV) {
- obj->WrapS = GL_CLAMP_TO_EDGE;
- obj->WrapT = GL_CLAMP_TO_EDGE;
- obj->WrapR = GL_CLAMP_TO_EDGE;
- obj->MinFilter = GL_LINEAR;
- }
- else {
- obj->WrapS = GL_REPEAT;
- obj->WrapT = GL_REPEAT;
- obj->WrapR = GL_REPEAT;
- obj->MinFilter = GL_NEAREST_MIPMAP_LINEAR;
- }
- obj->MagFilter = GL_LINEAR;
- obj->MinLod = -1000.0;
- obj->MaxLod = 1000.0;
- obj->LodBias = 0.0;
- obj->BaseLevel = 0;
- obj->MaxLevel = 1000;
- obj->MaxAnisotropy = 1.0;
- obj->CompareMode = GL_NONE; /* ARB_shadow */
- obj->CompareFunc = GL_LEQUAL; /* ARB_shadow */
- obj->CompareFailValue = 0.0F; /* ARB_shadow_ambient */
- obj->DepthMode = GL_LUMINANCE; /* ARB_depth_texture */
- obj->Swizzle[0] = GL_RED;
- obj->Swizzle[1] = GL_GREEN;
- obj->Swizzle[2] = GL_BLUE;
- obj->Swizzle[3] = GL_ALPHA;
- obj->_Swizzle = SWIZZLE_NOOP;
- obj->sRGBDecode = GL_DECODE_EXT;
-}
-
-
-/**
- * Some texture initialization can't be finished until we know which
- * target it's getting bound to (GL_TEXTURE_1D/2D/etc).
- */
-static void
-finish_texture_init(struct gl_context *ctx, GLenum target,
- struct gl_texture_object *obj)
-{
- assert(obj->Target == 0);
-
- if (target == GL_TEXTURE_RECTANGLE_NV) {
- /* have to init wrap and filter state here - kind of klunky */
- obj->WrapS = GL_CLAMP_TO_EDGE;
- obj->WrapT = GL_CLAMP_TO_EDGE;
- obj->WrapR = GL_CLAMP_TO_EDGE;
- obj->MinFilter = GL_LINEAR;
- if (ctx->Driver.TexParameter) {
- static const GLfloat fparam_wrap[1] = {(GLfloat) GL_CLAMP_TO_EDGE};
- static const GLfloat fparam_filter[1] = {(GLfloat) GL_LINEAR};
- ctx->Driver.TexParameter(ctx, target, obj, GL_TEXTURE_WRAP_S, fparam_wrap);
- ctx->Driver.TexParameter(ctx, target, obj, GL_TEXTURE_WRAP_T, fparam_wrap);
- ctx->Driver.TexParameter(ctx, target, obj, GL_TEXTURE_WRAP_R, fparam_wrap);
- ctx->Driver.TexParameter(ctx, target, obj, GL_TEXTURE_MIN_FILTER, fparam_filter);
- }
- }
-}
-
-
-/**
- * Deallocate a texture object struct. It should have already been
- * removed from the texture object pool.
- * Called via ctx->Driver.DeleteTexture() if not overriden by a driver.
- *
- * \param shared the shared GL state to which the object belongs.
- * \param texObj the texture object to delete.
- */
-void
-_mesa_delete_texture_object(struct gl_context *ctx,
- struct gl_texture_object *texObj)
-{
- GLuint i, face;
-
- /* Set Target to an invalid value. With some assertions elsewhere
- * we can try to detect possible use of deleted textures.
- */
- texObj->Target = 0x99;
-
- _mesa_free_colortable_data(&texObj->Palette);
-
- /* free the texture images */
- for (face = 0; face < 6; face++) {
- for (i = 0; i < MAX_TEXTURE_LEVELS; i++) {
- if (texObj->Image[face][i]) {
- _mesa_delete_texture_image( ctx, texObj->Image[face][i] );
- }
- }
- }
-
- /* destroy the mutex -- it may have allocated memory (eg on bsd) */
- _glthread_DESTROY_MUTEX(texObj->Mutex);
-
- /* free this object */
- free(texObj);
-}
-
-
-
-/**
- * Copy texture object state from one texture object to another.
- * Use for glPush/PopAttrib.
- *
- * \param dest destination texture object.
- * \param src source texture object.
- */
-void
-_mesa_copy_texture_object( struct gl_texture_object *dest,
- const struct gl_texture_object *src )
-{
- dest->Target = src->Target;
- dest->Name = src->Name;
- dest->Priority = src->Priority;
- dest->BorderColor.f[0] = src->BorderColor.f[0];
- dest->BorderColor.f[1] = src->BorderColor.f[1];
- dest->BorderColor.f[2] = src->BorderColor.f[2];
- dest->BorderColor.f[3] = src->BorderColor.f[3];
- dest->WrapS = src->WrapS;
- dest->WrapT = src->WrapT;
- dest->WrapR = src->WrapR;
- dest->MinFilter = src->MinFilter;
- dest->MagFilter = src->MagFilter;
- dest->MinLod = src->MinLod;
- dest->MaxLod = src->MaxLod;
- dest->LodBias = src->LodBias;
- dest->BaseLevel = src->BaseLevel;
- dest->MaxLevel = src->MaxLevel;
- dest->MaxAnisotropy = src->MaxAnisotropy;
- dest->CompareMode = src->CompareMode;
- dest->CompareFunc = src->CompareFunc;
- dest->CompareFailValue = src->CompareFailValue;
- dest->DepthMode = src->DepthMode;
- dest->_MaxLevel = src->_MaxLevel;
- dest->_MaxLambda = src->_MaxLambda;
- dest->GenerateMipmap = src->GenerateMipmap;
- dest->Palette = src->Palette;
- dest->_Complete = src->_Complete;
- COPY_4V(dest->Swizzle, src->Swizzle);
- dest->_Swizzle = src->_Swizzle;
-}
-
-
-/**
- * Free all texture images of the given texture object.
- *
- * \param ctx GL context.
- * \param t texture object.
- *
- * \sa _mesa_clear_texture_image().
- */
-void
-_mesa_clear_texture_object(struct gl_context *ctx,
- struct gl_texture_object *texObj)
-{
- GLuint i, j;
-
- if (texObj->Target == 0)
- return;
-
- for (i = 0; i < MAX_FACES; i++) {
- for (j = 0; j < MAX_TEXTURE_LEVELS; j++) {
- struct gl_texture_image *texImage = texObj->Image[i][j];
- if (texImage)
- _mesa_clear_texture_image(ctx, texImage);
- }
- }
-}
-
-
-/**
- * Check if the given texture object is valid by examining its Target field.
- * For debugging only.
- */
-static GLboolean
-valid_texture_object(const struct gl_texture_object *tex)
-{
- switch (tex->Target) {
- case 0:
- case GL_TEXTURE_1D:
- case GL_TEXTURE_2D:
- case GL_TEXTURE_3D:
- case GL_TEXTURE_CUBE_MAP_ARB:
- case GL_TEXTURE_RECTANGLE_NV:
- case GL_TEXTURE_1D_ARRAY_EXT:
- case GL_TEXTURE_2D_ARRAY_EXT:
- return GL_TRUE;
- case 0x99:
- _mesa_problem(NULL, "invalid reference to a deleted texture object");
- return GL_FALSE;
- default:
- _mesa_problem(NULL, "invalid texture object Target 0x%x, Id = %u",
- tex->Target, tex->Name);
- return GL_FALSE;
- }
-}
-
-
-/**
- * Reference (or unreference) a texture object.
- * If '*ptr', decrement *ptr's refcount (and delete if it becomes zero).
- * If 'tex' is non-null, increment its refcount.
- */
-void
-_mesa_reference_texobj(struct gl_texture_object **ptr,
- struct gl_texture_object *tex)
-{
- assert(ptr);
- if (*ptr == tex) {
- /* no change */
- return;
- }
-
- if (*ptr) {
- /* Unreference the old texture */
- GLboolean deleteFlag = GL_FALSE;
- struct gl_texture_object *oldTex = *ptr;
-
- ASSERT(valid_texture_object(oldTex));
- (void) valid_texture_object; /* silence warning in release builds */
-
- _glthread_LOCK_MUTEX(oldTex->Mutex);
- ASSERT(oldTex->RefCount > 0);
- oldTex->RefCount--;
-
- deleteFlag = (oldTex->RefCount == 0);
- _glthread_UNLOCK_MUTEX(oldTex->Mutex);
-
- if (deleteFlag) {
- GET_CURRENT_CONTEXT(ctx);
- if (ctx)
- ctx->Driver.DeleteTexture(ctx, oldTex);
- else
- _mesa_problem(NULL, "Unable to delete texture, no context");
- }
-
- *ptr = NULL;
- }
- assert(!*ptr);
-
- if (tex) {
- /* reference new texture */
- ASSERT(valid_texture_object(tex));
- _glthread_LOCK_MUTEX(tex->Mutex);
- if (tex->RefCount == 0) {
- /* this texture's being deleted (look just above) */
- /* Not sure this can every really happen. Warn if it does. */
- _mesa_problem(NULL, "referencing deleted texture object");
- *ptr = NULL;
- }
- else {
- tex->RefCount++;
- *ptr = tex;
- }
- _glthread_UNLOCK_MUTEX(tex->Mutex);
- }
-}
-
-
-
-/**
- * Mark a texture object as incomplete.
- * \param t texture object
- * \param fmt... string describing why it's incomplete (for debugging).
- */
-static void
-incomplete(struct gl_texture_object *t, const char *fmt, ...)
-{
-#if 0
- va_list args;
- char s[100];
-
- va_start(args, fmt);
- vsnprintf(s, sizeof(s), fmt, args);
- va_end(args);
-
- printf("Texture Obj %d incomplete because: %s\n", t->Name, s);
-#endif
- t->_Complete = GL_FALSE;
-}
-
-
-/**
- * Examine a texture object to determine if it is complete.
- *
- * The gl_texture_object::Complete flag will be set to GL_TRUE or GL_FALSE
- * accordingly.
- *
- * \param ctx GL context.
- * \param t texture object.
- *
- * According to the texture target, verifies that each of the mipmaps is
- * present and has the expected size.
- */
-void
-_mesa_test_texobj_completeness( const struct gl_context *ctx,
- struct gl_texture_object *t )
-{
- const GLint baseLevel = t->BaseLevel;
- GLint maxLog2 = 0, maxLevels = 0;
-
- t->_Complete = GL_TRUE; /* be optimistic */
-
- /* Detect cases where the application set the base level to an invalid
- * value.
- */
- if ((baseLevel < 0) || (baseLevel >= MAX_TEXTURE_LEVELS)) {
- incomplete(t, "base level = %d is invalid", baseLevel);
- return;
- }
-
- /* Always need the base level image */
- if (!t->Image[0][baseLevel]) {
- incomplete(t, "Image[baseLevel=%d] == NULL", baseLevel);
- return;
- }
-
- /* Check width/height/depth for zero */
- if (t->Image[0][baseLevel]->Width == 0 ||
- t->Image[0][baseLevel]->Height == 0 ||
- t->Image[0][baseLevel]->Depth == 0) {
- incomplete(t, "texture width = 0");
- return;
- }
-
- /* Compute _MaxLevel */
- if ((t->Target == GL_TEXTURE_1D) ||
- (t->Target == GL_TEXTURE_1D_ARRAY_EXT)) {
- maxLog2 = t->Image[0][baseLevel]->WidthLog2;
- maxLevels = ctx->Const.MaxTextureLevels;
- }
- else if ((t->Target == GL_TEXTURE_2D) ||
- (t->Target == GL_TEXTURE_2D_ARRAY_EXT)) {
- maxLog2 = MAX2(t->Image[0][baseLevel]->WidthLog2,
- t->Image[0][baseLevel]->HeightLog2);
- maxLevels = ctx->Const.MaxTextureLevels;
- }
- else if (t->Target == GL_TEXTURE_3D) {
- GLint max = MAX2(t->Image[0][baseLevel]->WidthLog2,
- t->Image[0][baseLevel]->HeightLog2);
- maxLog2 = MAX2(max, (GLint)(t->Image[0][baseLevel]->DepthLog2));
- maxLevels = ctx->Const.Max3DTextureLevels;
- }
- else if (t->Target == GL_TEXTURE_CUBE_MAP_ARB) {
- maxLog2 = MAX2(t->Image[0][baseLevel]->WidthLog2,
- t->Image[0][baseLevel]->HeightLog2);
- maxLevels = ctx->Const.MaxCubeTextureLevels;
- }
- else if (t->Target == GL_TEXTURE_RECTANGLE_NV) {
- maxLog2 = 0; /* not applicable */
- maxLevels = 1; /* no mipmapping */
- }
- else {
- _mesa_problem(ctx, "Bad t->Target in _mesa_test_texobj_completeness");
- return;
- }
-
- ASSERT(maxLevels > 0);
-
- if (t->MaxLevel < t->BaseLevel) {
- incomplete(t, "MAX_LEVEL (%d) < BASE_LEVEL (%d)",
- t->MaxLevel, t->BaseLevel);
- return;
- }
-
- t->_MaxLevel = baseLevel + maxLog2;
- t->_MaxLevel = MIN2(t->_MaxLevel, t->MaxLevel);
- t->_MaxLevel = MIN2(t->_MaxLevel, maxLevels - 1);
-
- /* Compute _MaxLambda = q - b (see the 1.2 spec) used during mipmapping */
- t->_MaxLambda = (GLfloat) (t->_MaxLevel - t->BaseLevel);
-
- if (t->Target == GL_TEXTURE_CUBE_MAP_ARB) {
- /* make sure that all six cube map level 0 images are the same size */
- const GLuint w = t->Image[0][baseLevel]->Width2;
- const GLuint h = t->Image[0][baseLevel]->Height2;
- GLuint face;
- for (face = 1; face < 6; face++) {
- if (t->Image[face][baseLevel] == NULL ||
- t->Image[face][baseLevel]->Width2 != w ||
- t->Image[face][baseLevel]->Height2 != h) {
- incomplete(t, "Cube face missing or mismatched size");
- return;
- }
- }
- }
-
- /* extra checking for mipmaps */
- if (t->MinFilter != GL_NEAREST && t->MinFilter != GL_LINEAR) {
- /*
- * Mipmapping: determine if we have a complete set of mipmaps
- */
- GLint i;
- GLint minLevel = baseLevel;
- GLint maxLevel = t->_MaxLevel;
-
- if (minLevel > maxLevel) {
- incomplete(t, "minLevel > maxLevel");
- return;
- }
-
- /* Test dimension-independent attributes */
- for (i = minLevel; i <= maxLevel; i++) {
- if (t->Image[0][i]) {
- if (t->Image[0][i]->TexFormat != t->Image[0][baseLevel]->TexFormat) {
- incomplete(t, "Format[i] != Format[baseLevel]");
- return;
- }
- if (t->Image[0][i]->Border != t->Image[0][baseLevel]->Border) {
- incomplete(t, "Border[i] != Border[baseLevel]");
- return;
- }
- }
- }
-
- /* Test things which depend on number of texture image dimensions */
- if ((t->Target == GL_TEXTURE_1D) ||
- (t->Target == GL_TEXTURE_1D_ARRAY_EXT)) {
- /* Test 1-D mipmaps */
- GLuint width = t->Image[0][baseLevel]->Width2;
- for (i = baseLevel + 1; i < maxLevels; i++) {
- if (width > 1) {
- width /= 2;
- }
- if (i >= minLevel && i <= maxLevel) {
- if (!t->Image[0][i]) {
- incomplete(t, "1D Image[0][i] == NULL");
- return;
- }
- if (t->Image[0][i]->Width2 != width ) {
- incomplete(t, "1D Image[0][i] bad width");
- return;
- }
- }
- if (width == 1) {
- return; /* found smallest needed mipmap, all done! */
- }
- }
- }
- else if ((t->Target == GL_TEXTURE_2D) ||
- (t->Target == GL_TEXTURE_2D_ARRAY_EXT)) {
- /* Test 2-D mipmaps */
- GLuint width = t->Image[0][baseLevel]->Width2;
- GLuint height = t->Image[0][baseLevel]->Height2;
- for (i = baseLevel + 1; i < maxLevels; i++) {
- if (width > 1) {
- width /= 2;
- }
- if (height > 1) {
- height /= 2;
- }
- if (i >= minLevel && i <= maxLevel) {
- if (!t->Image[0][i]) {
- incomplete(t, "2D Image[0][i] == NULL");
- return;
- }
- if (t->Image[0][i]->Width2 != width) {
- incomplete(t, "2D Image[0][i] bad width");
- return;
- }
- if (t->Image[0][i]->Height2 != height) {
- incomplete(t, "2D Image[0][i] bad height");
- return;
- }
- if (width==1 && height==1) {
- return; /* found smallest needed mipmap, all done! */
- }
- }
- }
- }
- else if (t->Target == GL_TEXTURE_3D) {
- /* Test 3-D mipmaps */
- GLuint width = t->Image[0][baseLevel]->Width2;
- GLuint height = t->Image[0][baseLevel]->Height2;
- GLuint depth = t->Image[0][baseLevel]->Depth2;
- for (i = baseLevel + 1; i < maxLevels; i++) {
- if (width > 1) {
- width /= 2;
- }
- if (height > 1) {
- height /= 2;
- }
- if (depth > 1) {
- depth /= 2;
- }
- if (i >= minLevel && i <= maxLevel) {
- if (!t->Image[0][i]) {
- incomplete(t, "3D Image[0][i] == NULL");
- return;
- }
- if (t->Image[0][i]->_BaseFormat == GL_DEPTH_COMPONENT) {
- incomplete(t, "GL_DEPTH_COMPONENT only works with 1/2D tex");
- return;
- }
- if (t->Image[0][i]->Width2 != width) {
- incomplete(t, "3D Image[0][i] bad width");
- return;
- }
- if (t->Image[0][i]->Height2 != height) {
- incomplete(t, "3D Image[0][i] bad height");
- return;
- }
- if (t->Image[0][i]->Depth2 != depth) {
- incomplete(t, "3D Image[0][i] bad depth");
- return;
- }
- }
- if (width == 1 && height == 1 && depth == 1) {
- return; /* found smallest needed mipmap, all done! */
- }
- }
- }
- else if (t->Target == GL_TEXTURE_CUBE_MAP_ARB) {
- /* make sure 6 cube faces are consistant */
- GLuint width = t->Image[0][baseLevel]->Width2;
- GLuint height = t->Image[0][baseLevel]->Height2;
- for (i = baseLevel + 1; i < maxLevels; i++) {
- if (width > 1) {
- width /= 2;
- }
- if (height > 1) {
- height /= 2;
- }
- if (i >= minLevel && i <= maxLevel) {
- GLuint face;
- for (face = 0; face < 6; face++) {
- /* check that we have images defined */
- if (!t->Image[face][i]) {
- incomplete(t, "CubeMap Image[n][i] == NULL");
- return;
- }
- /* Don't support GL_DEPTH_COMPONENT for cube maps */
- if (t->Image[face][i]->_BaseFormat == GL_DEPTH_COMPONENT) {
- incomplete(t, "GL_DEPTH_COMPONENT only works with 1/2D tex");
- return;
- }
- /* check that all six images have same size */
- if (t->Image[face][i]->Width2 != width ||
- t->Image[face][i]->Height2 != height) {
- incomplete(t, "CubeMap Image[n][i] bad size");
- return;
- }
- }
- }
- if (width == 1 && height == 1) {
- return; /* found smallest needed mipmap, all done! */
- }
- }
- }
- else if (t->Target == GL_TEXTURE_RECTANGLE_NV) {
- /* XXX special checking? */
- }
- else {
- /* Target = ??? */
- _mesa_problem(ctx, "Bug in gl_test_texture_object_completeness\n");
- }
- }
-}
-
-
-/**
- * Check if the given cube map texture is "cube complete" as defined in
- * the OpenGL specification.
- */
-GLboolean
-_mesa_cube_complete(const struct gl_texture_object *texObj)
-{
- const GLint baseLevel = texObj->BaseLevel;
- const struct gl_texture_image *img0, *img;
- GLuint face;
-
- if (texObj->Target != GL_TEXTURE_CUBE_MAP)
- return GL_FALSE;
-
- if ((baseLevel < 0) || (baseLevel >= MAX_TEXTURE_LEVELS))
- return GL_FALSE;
-
- /* check first face */
- img0 = texObj->Image[0][baseLevel];
- if (!img0 ||
- img0->Width < 1 ||
- img0->Width != img0->Height)
- return GL_FALSE;
-
- /* check remaining faces vs. first face */
- for (face = 1; face < 6; face++) {
- img = texObj->Image[face][baseLevel];
- if (!img ||
- img->Width != img0->Width ||
- img->Height != img0->Height ||
- img->TexFormat != img0->TexFormat)
- return GL_FALSE;
- }
-
- return GL_TRUE;
-}
-
-
-/**
- * Mark a texture object dirty. It forces the object to be incomplete
- * and optionally forces the context to re-validate its state.
- *
- * \param ctx GL context.
- * \param texObj texture object.
- * \param invalidate_state also invalidate context state.
- */
-void
-_mesa_dirty_texobj(struct gl_context *ctx, struct gl_texture_object *texObj,
- GLboolean invalidate_state)
-{
- texObj->_Complete = GL_FALSE;
- if (invalidate_state)
- ctx->NewState |= _NEW_TEXTURE;
-}
-
-
-/**
- * Return pointer to a default/fallback texture.
- * The texture is a 2D 8x8 RGBA texture with all texels = (0,0,0,1).
- * That's the value a sampler should get when sampling from an
- * incomplete texture.
- */
-struct gl_texture_object *
-_mesa_get_fallback_texture(struct gl_context *ctx)
-{
- if (!ctx->Shared->FallbackTex) {
- /* create fallback texture now */
- static GLubyte texels[8 * 8][4];
- struct gl_texture_object *texObj;
- struct gl_texture_image *texImage;
- gl_format texFormat;
- GLuint i;
-
- for (i = 0; i < 8 * 8; i++) {
- texels[i][0] =
- texels[i][1] =
- texels[i][2] = 0x0;
- texels[i][3] = 0xff;
- }
-
- /* create texture object */
- texObj = ctx->Driver.NewTextureObject(ctx, 0, GL_TEXTURE_2D);
- assert(texObj->RefCount == 1);
- texObj->MinFilter = GL_NEAREST;
- texObj->MagFilter = GL_NEAREST;
-
- /* create level[0] texture image */
- texImage = _mesa_get_tex_image(ctx, texObj, GL_TEXTURE_2D, 0);
-
- texFormat = ctx->Driver.ChooseTextureFormat(ctx, GL_RGBA, GL_RGBA,
- GL_UNSIGNED_BYTE);
-
- /* init the image fields */
- _mesa_init_teximage_fields(ctx, GL_TEXTURE_2D, texImage,
- 8, 8, 1, 0, GL_RGBA, texFormat);
-
- ASSERT(texImage->TexFormat != MESA_FORMAT_NONE);
-
- /* set image data */
- ctx->Driver.TexImage2D(ctx, GL_TEXTURE_2D, 0, GL_RGBA,
- 8, 8, 0,
- GL_RGBA, GL_UNSIGNED_BYTE, texels,
- &ctx->DefaultPacking, texObj, texImage);
-
- _mesa_test_texobj_completeness(ctx, texObj);
- assert(texObj->_Complete);
-
- ctx->Shared->FallbackTex = texObj;
- }
- return ctx->Shared->FallbackTex;
-}
-
-
-/*@}*/
-
-
-/***********************************************************************/
-/** \name API functions */
-/*@{*/
-
-
-/**
- * Generate texture names.
- *
- * \param n number of texture names to be generated.
- * \param textures an array in which will hold the generated texture names.
- *
- * \sa glGenTextures().
- *
- * Calls _mesa_HashFindFreeKeyBlock() to find a block of free texture
- * IDs which are stored in \p textures. Corresponding empty texture
- * objects are also generated.
- */
-void GLAPIENTRY
-_mesa_GenTextures( GLsizei n, GLuint *textures )
-{
- GET_CURRENT_CONTEXT(ctx);
- GLuint first;
- GLint i;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (n < 0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glGenTextures" );
- return;
- }
-
- if (!textures)
- return;
-
- /*
- * This must be atomic (generation and allocation of texture IDs)
- */
- _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
-
- first = _mesa_HashFindFreeKeyBlock(ctx->Shared->TexObjects, n);
-
- /* Allocate new, empty texture objects */
- for (i = 0; i < n; i++) {
- struct gl_texture_object *texObj;
- GLuint name = first + i;
- GLenum target = 0;
- texObj = (*ctx->Driver.NewTextureObject)( ctx, name, target);
- if (!texObj) {
- _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGenTextures");
- return;
- }
-
- /* insert into hash table */
- _mesa_HashInsert(ctx->Shared->TexObjects, texObj->Name, texObj);
-
- textures[i] = name;
- }
-
- _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
-}
-
-
-/**
- * Check if the given texture object is bound to the current draw or
- * read framebuffer. If so, Unbind it.
- */
-static void
-unbind_texobj_from_fbo(struct gl_context *ctx,
- struct gl_texture_object *texObj)
-{
- const GLuint n = (ctx->DrawBuffer == ctx->ReadBuffer) ? 1 : 2;
- GLuint i;
-
- for (i = 0; i < n; i++) {
- struct gl_framebuffer *fb = (i == 0) ? ctx->DrawBuffer : ctx->ReadBuffer;
- if (fb->Name) {
- GLuint j;
- for (j = 0; j < BUFFER_COUNT; j++) {
- if (fb->Attachment[j].Type == GL_TEXTURE &&
- fb->Attachment[j].Texture == texObj) {
- _mesa_remove_attachment(ctx, fb->Attachment + j);
- }
- }
- }
- }
-}
-
-
-/**
- * Check if the given texture object is bound to any texture image units and
- * unbind it if so (revert to default textures).
- */
-static void
-unbind_texobj_from_texunits(struct gl_context *ctx,
- struct gl_texture_object *texObj)
-{
- GLuint u, tex;
-
- for (u = 0; u < MAX_TEXTURE_IMAGE_UNITS; u++) {
- struct gl_texture_unit *unit = &ctx->Texture.Unit[u];
- for (tex = 0; tex < NUM_TEXTURE_TARGETS; tex++) {
- if (texObj == unit->CurrentTex[tex]) {
- _mesa_reference_texobj(&unit->CurrentTex[tex],
- ctx->Shared->DefaultTex[tex]);
- ASSERT(unit->CurrentTex[tex]);
- break;
- }
- }
- }
-}
-
-
-/**
- * Delete named textures.
- *
- * \param n number of textures to be deleted.
- * \param textures array of texture IDs to be deleted.
- *
- * \sa glDeleteTextures().
- *
- * If we're about to delete a texture that's currently bound to any
- * texture unit, unbind the texture first. Decrement the reference
- * count on the texture object and delete it if it's zero.
- * Recall that texture objects can be shared among several rendering
- * contexts.
- */
-void GLAPIENTRY
-_mesa_DeleteTextures( GLsizei n, const GLuint *textures)
-{
- GET_CURRENT_CONTEXT(ctx);
- GLint i;
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); /* too complex */
-
- if (!textures)
- return;
-
- for (i = 0; i < n; i++) {
- if (textures[i] > 0) {
- struct gl_texture_object *delObj
- = _mesa_lookup_texture(ctx, textures[i]);
-
- if (delObj) {
- _mesa_lock_texture(ctx, delObj);
-
- /* Check if texture is bound to any framebuffer objects.
- * If so, unbind.
- * See section 4.4.2.3 of GL_EXT_framebuffer_object.
- */
- unbind_texobj_from_fbo(ctx, delObj);
-
- /* Check if this texture is currently bound to any texture units.
- * If so, unbind it.
- */
- unbind_texobj_from_texunits(ctx, delObj);
-
- _mesa_unlock_texture(ctx, delObj);
-
- ctx->NewState |= _NEW_TEXTURE;
-
- /* The texture _name_ is now free for re-use.
- * Remove it from the hash table now.
- */
- _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
- _mesa_HashRemove(ctx->Shared->TexObjects, delObj->Name);
- _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
-
- /* Unreference the texobj. If refcount hits zero, the texture
- * will be deleted.
- */
- _mesa_reference_texobj(&delObj, NULL);
- }
- }
- }
-}
-
-
-/**
- * Convert a GL texture target enum such as GL_TEXTURE_2D or GL_TEXTURE_3D
- * into the corresponding Mesa texture target index.
- * Note that proxy targets are not valid here.
- * \return TEXTURE_x_INDEX or -1 if target is invalid
- */
-static GLint
-target_enum_to_index(GLenum target)
-{
- switch (target) {
- case GL_TEXTURE_1D:
- return TEXTURE_1D_INDEX;
- case GL_TEXTURE_2D:
- return TEXTURE_2D_INDEX;
- case GL_TEXTURE_3D:
- return TEXTURE_3D_INDEX;
- case GL_TEXTURE_CUBE_MAP_ARB:
- return TEXTURE_CUBE_INDEX;
- case GL_TEXTURE_RECTANGLE_NV:
- return TEXTURE_RECT_INDEX;
- case GL_TEXTURE_1D_ARRAY_EXT:
- return TEXTURE_1D_ARRAY_INDEX;
- case GL_TEXTURE_2D_ARRAY_EXT:
- return TEXTURE_2D_ARRAY_INDEX;
- default:
- return -1;
- }
-}
-
-
-/**
- * Bind a named texture to a texturing target.
- *
- * \param target texture target.
- * \param texName texture name.
- *
- * \sa glBindTexture().
- *
- * Determines the old texture object bound and returns immediately if rebinding
- * the same texture. Get the current texture which is either a default texture
- * if name is null, a named texture from the hash, or a new texture if the
- * given texture name is new. Increments its reference count, binds it, and
- * calls dd_function_table::BindTexture. Decrements the old texture reference
- * count and deletes it if it reaches zero.
- */
-void GLAPIENTRY
-_mesa_BindTexture( GLenum target, GLuint texName )
-{
- GET_CURRENT_CONTEXT(ctx);
- struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
- struct gl_texture_object *newTexObj = NULL;
- GLint targetIndex;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
- _mesa_debug(ctx, "glBindTexture %s %d\n",
- _mesa_lookup_enum_by_nr(target), (GLint) texName);
-
- targetIndex = target_enum_to_index(target);
- if (targetIndex < 0) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBindTexture(target)");
- return;
- }
- assert(targetIndex < NUM_TEXTURE_TARGETS);
-
- /*
- * Get pointer to new texture object (newTexObj)
- */
- if (texName == 0) {
- /* Use a default texture object */
- newTexObj = ctx->Shared->DefaultTex[targetIndex];
- }
- else {
- /* non-default texture object */
- newTexObj = _mesa_lookup_texture(ctx, texName);
- if (newTexObj) {
- /* error checking */
- if (newTexObj->Target != 0 && newTexObj->Target != target) {
- /* the named texture object's target doesn't match the given target */
- _mesa_error( ctx, GL_INVALID_OPERATION,
- "glBindTexture(target mismatch)" );
- return;
- }
- if (newTexObj->Target == 0) {
- finish_texture_init(ctx, target, newTexObj);
- }
- }
- else {
- /* if this is a new texture id, allocate a texture object now */
- newTexObj = (*ctx->Driver.NewTextureObject)(ctx, texName, target);
- if (!newTexObj) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindTexture");
- return;
- }
-
- /* and insert it into hash table */
- _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
- _mesa_HashInsert(ctx->Shared->TexObjects, texName, newTexObj);
- _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
- }
- newTexObj->Target = target;
- }
-
- assert(valid_texture_object(newTexObj));
-
- /* Check if this texture is only used by this context and is already bound.
- * If so, just return.
- */
- {
- GLboolean early_out;
- _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
- early_out = ((ctx->Shared->RefCount == 1)
- && (newTexObj == texUnit->CurrentTex[targetIndex]));
- _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
- if (early_out) {
- return;
- }
- }
-
- /* flush before changing binding */
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
-
- /* Do the actual binding. The refcount on the previously bound
- * texture object will be decremented. It'll be deleted if the
- * count hits zero.
- */
- _mesa_reference_texobj(&texUnit->CurrentTex[targetIndex], newTexObj);
- ASSERT(texUnit->CurrentTex[targetIndex]);
-
- /* Pass BindTexture call to device driver */
- if (ctx->Driver.BindTexture)
- (*ctx->Driver.BindTexture)( ctx, target, newTexObj );
-}
-
-
-/**
- * Set texture priorities.
- *
- * \param n number of textures.
- * \param texName texture names.
- * \param priorities corresponding texture priorities.
- *
- * \sa glPrioritizeTextures().
- *
- * Looks up each texture in the hash, clamps the corresponding priority between
- * 0.0 and 1.0, and calls dd_function_table::PrioritizeTexture.
- */
-void GLAPIENTRY
-_mesa_PrioritizeTextures( GLsizei n, const GLuint *texName,
- const GLclampf *priorities )
-{
- GET_CURRENT_CONTEXT(ctx);
- GLint i;
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (n < 0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glPrioritizeTextures" );
- return;
- }
-
- if (!priorities)
- return;
-
- for (i = 0; i < n; i++) {
- if (texName[i] > 0) {
- struct gl_texture_object *t = _mesa_lookup_texture(ctx, texName[i]);
- if (t) {
- t->Priority = CLAMP( priorities[i], 0.0F, 1.0F );
- }
- }
- }
-
- ctx->NewState |= _NEW_TEXTURE;
-}
-
-
-
-/**
- * See if textures are loaded in texture memory.
- *
- * \param n number of textures to query.
- * \param texName array with the texture names.
- * \param residences array which will hold the residence status.
- *
- * \return GL_TRUE if all textures are resident and \p residences is left unchanged,
- *
- * \sa glAreTexturesResident().
- *
- * Looks up each texture in the hash and calls
- * dd_function_table::IsTextureResident.
- */
-GLboolean GLAPIENTRY
-_mesa_AreTexturesResident(GLsizei n, const GLuint *texName,
- GLboolean *residences)
-{
- GET_CURRENT_CONTEXT(ctx);
- GLboolean allResident = GL_TRUE;
- GLint i, j;
- ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
-
- if (n < 0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glAreTexturesResident(n)");
- return GL_FALSE;
- }
-
- if (!texName || !residences)
- return GL_FALSE;
-
- for (i = 0; i < n; i++) {
- struct gl_texture_object *t;
- if (texName[i] == 0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glAreTexturesResident");
- return GL_FALSE;
- }
- t = _mesa_lookup_texture(ctx, texName[i]);
- if (!t) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glAreTexturesResident");
- return GL_FALSE;
- }
- if (!ctx->Driver.IsTextureResident ||
- ctx->Driver.IsTextureResident(ctx, t)) {
- /* The texture is resident */
- if (!allResident)
- residences[i] = GL_TRUE;
- }
- else {
- /* The texture is not resident */
- if (allResident) {
- allResident = GL_FALSE;
- for (j = 0; j < i; j++)
- residences[j] = GL_TRUE;
- }
- residences[i] = GL_FALSE;
- }
- }
-
- return allResident;
-}
-
-
-/**
- * See if a name corresponds to a texture.
- *
- * \param texture texture name.
- *
- * \return GL_TRUE if texture name corresponds to a texture, or GL_FALSE
- * otherwise.
- *
- * \sa glIsTexture().
- *
- * Calls _mesa_HashLookup().
- */
-GLboolean GLAPIENTRY
-_mesa_IsTexture( GLuint texture )
-{
- struct gl_texture_object *t;
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
-
- if (!texture)
- return GL_FALSE;
-
- t = _mesa_lookup_texture(ctx, texture);
-
- /* IsTexture is true only after object has been bound once. */
- return t && t->Target;
-}
-
-
-/**
- * Simplest implementation of texture locking: grab the shared tex
- * mutex. Examine the shared context state timestamp and if there has
- * been a change, set the appropriate bits in ctx->NewState.
- *
- * This is used to deal with synchronizing things when a texture object
- * is used/modified by different contexts (or threads) which are sharing
- * the texture.
- *
- * See also _mesa_lock/unlock_texture() in teximage.h
- */
-void
-_mesa_lock_context_textures( struct gl_context *ctx )
-{
- _glthread_LOCK_MUTEX(ctx->Shared->TexMutex);
-
- if (ctx->Shared->TextureStateStamp != ctx->TextureStateTimestamp) {
- ctx->NewState |= _NEW_TEXTURE;
- ctx->TextureStateTimestamp = ctx->Shared->TextureStateStamp;
- }
-}
-
-
-void
-_mesa_unlock_context_textures( struct gl_context *ctx )
-{
- assert(ctx->Shared->TextureStateStamp == ctx->TextureStateTimestamp);
- _glthread_UNLOCK_MUTEX(ctx->Shared->TexMutex);
-}
-
-/*@}*/
+/**
+ * \file texobj.c
+ * Texture object management.
+ */
+
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.1
+ *
+ * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#include "mfeatures.h"
+#include "colortab.h"
+#include "context.h"
+#include "enums.h"
+#include "fbobject.h"
+#include "formats.h"
+#include "hash.h"
+#include "imports.h"
+#include "macros.h"
+#include "teximage.h"
+#include "texobj.h"
+#include "texstate.h"
+#include "mtypes.h"
+#include "program/prog_instruction.h"
+
+
+
+/**********************************************************************/
+/** \name Internal functions */
+/*@{*/
+
+
+/**
+ * Return the gl_texture_object for a given ID.
+ */
+struct gl_texture_object *
+_mesa_lookup_texture(struct gl_context *ctx, GLuint id)
+{
+ return (struct gl_texture_object *)
+ _mesa_HashLookup(ctx->Shared->TexObjects, id);
+}
+
+
+
+/**
+ * Allocate and initialize a new texture object. But don't put it into the
+ * texture object hash table.
+ *
+ * Called via ctx->Driver.NewTextureObject, unless overridden by a device
+ * driver.
+ *
+ * \param shared the shared GL state structure to contain the texture object
+ * \param name integer name for the texture object
+ * \param target either GL_TEXTURE_1D, GL_TEXTURE_2D, GL_TEXTURE_3D,
+ * GL_TEXTURE_CUBE_MAP_ARB or GL_TEXTURE_RECTANGLE_NV. zero is ok for the sake
+ * of GenTextures()
+ *
+ * \return pointer to new texture object.
+ */
+struct gl_texture_object *
+_mesa_new_texture_object( struct gl_context *ctx, GLuint name, GLenum target )
+{
+ struct gl_texture_object *obj;
+ (void) ctx;
+ obj = MALLOC_STRUCT(gl_texture_object);
+ _mesa_initialize_texture_object(obj, name, target);
+ return obj;
+}
+
+
+/**
+ * Initialize a new texture object to default values.
+ * \param obj the texture object
+ * \param name the texture name
+ * \param target the texture target
+ */
+void
+_mesa_initialize_texture_object( struct gl_texture_object *obj,
+ GLuint name, GLenum target )
+{
+ ASSERT(target == 0 ||
+ target == GL_TEXTURE_1D ||
+ target == GL_TEXTURE_2D ||
+ target == GL_TEXTURE_3D ||
+ target == GL_TEXTURE_CUBE_MAP_ARB ||
+ target == GL_TEXTURE_RECTANGLE_NV ||
+ target == GL_TEXTURE_1D_ARRAY_EXT ||
+ target == GL_TEXTURE_2D_ARRAY_EXT);
+
+ memset(obj, 0, sizeof(*obj));
+ /* init the non-zero fields */
+ _glthread_INIT_MUTEX(obj->Mutex);
+ obj->RefCount = 1;
+ obj->Name = name;
+ obj->Target = target;
+ obj->Priority = 1.0F;
+ if (target == GL_TEXTURE_RECTANGLE_NV) {
+ obj->WrapS = GL_CLAMP_TO_EDGE;
+ obj->WrapT = GL_CLAMP_TO_EDGE;
+ obj->WrapR = GL_CLAMP_TO_EDGE;
+ obj->MinFilter = GL_LINEAR;
+ }
+ else {
+ obj->WrapS = GL_REPEAT;
+ obj->WrapT = GL_REPEAT;
+ obj->WrapR = GL_REPEAT;
+ obj->MinFilter = GL_NEAREST_MIPMAP_LINEAR;
+ }
+ obj->MagFilter = GL_LINEAR;
+ obj->MinLod = -1000.0;
+ obj->MaxLod = 1000.0;
+ obj->LodBias = 0.0;
+ obj->BaseLevel = 0;
+ obj->MaxLevel = 1000;
+ obj->MaxAnisotropy = 1.0;
+ obj->CompareMode = GL_NONE; /* ARB_shadow */
+ obj->CompareFunc = GL_LEQUAL; /* ARB_shadow */
+ obj->CompareFailValue = 0.0F; /* ARB_shadow_ambient */
+ obj->DepthMode = GL_LUMINANCE; /* ARB_depth_texture */
+ obj->Swizzle[0] = GL_RED;
+ obj->Swizzle[1] = GL_GREEN;
+ obj->Swizzle[2] = GL_BLUE;
+ obj->Swizzle[3] = GL_ALPHA;
+ obj->_Swizzle = SWIZZLE_NOOP;
+ obj->sRGBDecode = GL_DECODE_EXT;
+}
+
+
+/**
+ * Some texture initialization can't be finished until we know which
+ * target it's getting bound to (GL_TEXTURE_1D/2D/etc).
+ */
+static void
+finish_texture_init(struct gl_context *ctx, GLenum target,
+ struct gl_texture_object *obj)
+{
+ assert(obj->Target == 0);
+
+ if (target == GL_TEXTURE_RECTANGLE_NV) {
+ /* have to init wrap and filter state here - kind of klunky */
+ obj->WrapS = GL_CLAMP_TO_EDGE;
+ obj->WrapT = GL_CLAMP_TO_EDGE;
+ obj->WrapR = GL_CLAMP_TO_EDGE;
+ obj->MinFilter = GL_LINEAR;
+ if (ctx->Driver.TexParameter) {
+ static const GLfloat fparam_wrap[1] = {(GLfloat) GL_CLAMP_TO_EDGE};
+ static const GLfloat fparam_filter[1] = {(GLfloat) GL_LINEAR};
+ ctx->Driver.TexParameter(ctx, target, obj, GL_TEXTURE_WRAP_S, fparam_wrap);
+ ctx->Driver.TexParameter(ctx, target, obj, GL_TEXTURE_WRAP_T, fparam_wrap);
+ ctx->Driver.TexParameter(ctx, target, obj, GL_TEXTURE_WRAP_R, fparam_wrap);
+ ctx->Driver.TexParameter(ctx, target, obj, GL_TEXTURE_MIN_FILTER, fparam_filter);
+ }
+ }
+}
+
+
+/**
+ * Deallocate a texture object struct. It should have already been
+ * removed from the texture object pool.
+ * Called via ctx->Driver.DeleteTexture() if not overriden by a driver.
+ *
+ * \param shared the shared GL state to which the object belongs.
+ * \param texObj the texture object to delete.
+ */
+void
+_mesa_delete_texture_object(struct gl_context *ctx,
+ struct gl_texture_object *texObj)
+{
+ GLuint i, face;
+
+ /* Set Target to an invalid value. With some assertions elsewhere
+ * we can try to detect possible use of deleted textures.
+ */
+ texObj->Target = 0x99;
+
+ _mesa_free_colortable_data(&texObj->Palette);
+
+ /* free the texture images */
+ for (face = 0; face < 6; face++) {
+ for (i = 0; i < MAX_TEXTURE_LEVELS; i++) {
+ if (texObj->Image[face][i]) {
+ _mesa_delete_texture_image( ctx, texObj->Image[face][i] );
+ }
+ }
+ }
+
+ /* destroy the mutex -- it may have allocated memory (eg on bsd) */
+ _glthread_DESTROY_MUTEX(texObj->Mutex);
+
+ /* free this object */
+ free(texObj);
+}
+
+
+
+/**
+ * Copy texture object state from one texture object to another.
+ * Use for glPush/PopAttrib.
+ *
+ * \param dest destination texture object.
+ * \param src source texture object.
+ */
+void
+_mesa_copy_texture_object( struct gl_texture_object *dest,
+ const struct gl_texture_object *src )
+{
+ dest->Target = src->Target;
+ dest->Name = src->Name;
+ dest->Priority = src->Priority;
+ dest->BorderColor.f[0] = src->BorderColor.f[0];
+ dest->BorderColor.f[1] = src->BorderColor.f[1];
+ dest->BorderColor.f[2] = src->BorderColor.f[2];
+ dest->BorderColor.f[3] = src->BorderColor.f[3];
+ dest->WrapS = src->WrapS;
+ dest->WrapT = src->WrapT;
+ dest->WrapR = src->WrapR;
+ dest->MinFilter = src->MinFilter;
+ dest->MagFilter = src->MagFilter;
+ dest->MinLod = src->MinLod;
+ dest->MaxLod = src->MaxLod;
+ dest->LodBias = src->LodBias;
+ dest->BaseLevel = src->BaseLevel;
+ dest->MaxLevel = src->MaxLevel;
+ dest->MaxAnisotropy = src->MaxAnisotropy;
+ dest->CompareMode = src->CompareMode;
+ dest->CompareFunc = src->CompareFunc;
+ dest->CompareFailValue = src->CompareFailValue;
+ dest->DepthMode = src->DepthMode;
+ dest->_MaxLevel = src->_MaxLevel;
+ dest->_MaxLambda = src->_MaxLambda;
+ dest->GenerateMipmap = src->GenerateMipmap;
+ dest->Palette = src->Palette;
+ dest->_Complete = src->_Complete;
+ COPY_4V(dest->Swizzle, src->Swizzle);
+ dest->_Swizzle = src->_Swizzle;
+}
+
+
+/**
+ * Free all texture images of the given texture object.
+ *
+ * \param ctx GL context.
+ * \param t texture object.
+ *
+ * \sa _mesa_clear_texture_image().
+ */
+void
+_mesa_clear_texture_object(struct gl_context *ctx,
+ struct gl_texture_object *texObj)
+{
+ GLuint i, j;
+
+ if (texObj->Target == 0)
+ return;
+
+ for (i = 0; i < MAX_FACES; i++) {
+ for (j = 0; j < MAX_TEXTURE_LEVELS; j++) {
+ struct gl_texture_image *texImage = texObj->Image[i][j];
+ if (texImage)
+ _mesa_clear_texture_image(ctx, texImage);
+ }
+ }
+}
+
+
+/**
+ * Check if the given texture object is valid by examining its Target field.
+ * For debugging only.
+ */
+static GLboolean
+valid_texture_object(const struct gl_texture_object *tex)
+{
+ switch (tex->Target) {
+ case 0:
+ case GL_TEXTURE_1D:
+ case GL_TEXTURE_2D:
+ case GL_TEXTURE_3D:
+ case GL_TEXTURE_CUBE_MAP_ARB:
+ case GL_TEXTURE_RECTANGLE_NV:
+ case GL_TEXTURE_1D_ARRAY_EXT:
+ case GL_TEXTURE_2D_ARRAY_EXT:
+ return GL_TRUE;
+ case 0x99:
+ _mesa_problem(NULL, "invalid reference to a deleted texture object");
+ return GL_FALSE;
+ default:
+ _mesa_problem(NULL, "invalid texture object Target 0x%x, Id = %u",
+ tex->Target, tex->Name);
+ return GL_FALSE;
+ }
+}
+
+
+/**
+ * Reference (or unreference) a texture object.
+ * If '*ptr', decrement *ptr's refcount (and delete if it becomes zero).
+ * If 'tex' is non-null, increment its refcount.
+ */
+void
+_mesa_reference_texobj(struct gl_texture_object **ptr,
+ struct gl_texture_object *tex)
+{
+ assert(ptr);
+ if (*ptr == tex) {
+ /* no change */
+ return;
+ }
+
+ if (*ptr) {
+ /* Unreference the old texture */
+ GLboolean deleteFlag = GL_FALSE;
+ struct gl_texture_object *oldTex = *ptr;
+
+ ASSERT(valid_texture_object(oldTex));
+ (void) valid_texture_object; /* silence warning in release builds */
+
+ _glthread_LOCK_MUTEX(oldTex->Mutex);
+ ASSERT(oldTex->RefCount > 0);
+ oldTex->RefCount--;
+
+ deleteFlag = (oldTex->RefCount == 0);
+ _glthread_UNLOCK_MUTEX(oldTex->Mutex);
+
+ if (deleteFlag) {
+ GET_CURRENT_CONTEXT(ctx);
+ if (ctx)
+ ctx->Driver.DeleteTexture(ctx, oldTex);
+ else
+ _mesa_problem(NULL, "Unable to delete texture, no context");
+ }
+
+ *ptr = NULL;
+ }
+ assert(!*ptr);
+
+ if (tex) {
+ /* reference new texture */
+ ASSERT(valid_texture_object(tex));
+ _glthread_LOCK_MUTEX(tex->Mutex);
+ if (tex->RefCount == 0) {
+ /* this texture's being deleted (look just above) */
+ /* Not sure this can every really happen. Warn if it does. */
+ _mesa_problem(NULL, "referencing deleted texture object");
+ *ptr = NULL;
+ }
+ else {
+ tex->RefCount++;
+ *ptr = tex;
+ }
+ _glthread_UNLOCK_MUTEX(tex->Mutex);
+ }
+}
+
+
+
+/**
+ * Mark a texture object as incomplete.
+ * \param t texture object
+ * \param fmt... string describing why it's incomplete (for debugging).
+ */
+static void
+incomplete(struct gl_texture_object *t, const char *fmt, ...)
+{
+#if 0
+ va_list args;
+ char s[100];
+
+ va_start(args, fmt);
+ vsnprintf(s, sizeof(s), fmt, args);
+ va_end(args);
+
+ printf("Texture Obj %d incomplete because: %s\n", t->Name, s);
+#endif
+ t->_Complete = GL_FALSE;
+}
+
+
+/**
+ * Examine a texture object to determine if it is complete.
+ *
+ * The gl_texture_object::Complete flag will be set to GL_TRUE or GL_FALSE
+ * accordingly.
+ *
+ * \param ctx GL context.
+ * \param t texture object.
+ *
+ * According to the texture target, verifies that each of the mipmaps is
+ * present and has the expected size.
+ */
+void
+_mesa_test_texobj_completeness( const struct gl_context *ctx,
+ struct gl_texture_object *t )
+{
+ const GLint baseLevel = t->BaseLevel;
+ GLint maxLog2 = 0, maxLevels = 0;
+
+ t->_Complete = GL_TRUE; /* be optimistic */
+
+ /* Detect cases where the application set the base level to an invalid
+ * value.
+ */
+ if ((baseLevel < 0) || (baseLevel >= MAX_TEXTURE_LEVELS)) {
+ incomplete(t, "base level = %d is invalid", baseLevel);
+ return;
+ }
+
+ /* Always need the base level image */
+ if (!t->Image[0][baseLevel]) {
+ incomplete(t, "Image[baseLevel=%d] == NULL", baseLevel);
+ return;
+ }
+
+ /* Check width/height/depth for zero */
+ if (t->Image[0][baseLevel]->Width == 0 ||
+ t->Image[0][baseLevel]->Height == 0 ||
+ t->Image[0][baseLevel]->Depth == 0) {
+ incomplete(t, "texture width = 0");
+ return;
+ }
+
+ /* Compute _MaxLevel */
+ if ((t->Target == GL_TEXTURE_1D) ||
+ (t->Target == GL_TEXTURE_1D_ARRAY_EXT)) {
+ maxLog2 = t->Image[0][baseLevel]->WidthLog2;
+ maxLevels = ctx->Const.MaxTextureLevels;
+ }
+ else if ((t->Target == GL_TEXTURE_2D) ||
+ (t->Target == GL_TEXTURE_2D_ARRAY_EXT)) {
+ maxLog2 = MAX2(t->Image[0][baseLevel]->WidthLog2,
+ t->Image[0][baseLevel]->HeightLog2);
+ maxLevels = ctx->Const.MaxTextureLevels;
+ }
+ else if (t->Target == GL_TEXTURE_3D) {
+ GLint max = MAX2(t->Image[0][baseLevel]->WidthLog2,
+ t->Image[0][baseLevel]->HeightLog2);
+ maxLog2 = MAX2(max, (GLint)(t->Image[0][baseLevel]->DepthLog2));
+ maxLevels = ctx->Const.Max3DTextureLevels;
+ }
+ else if (t->Target == GL_TEXTURE_CUBE_MAP_ARB) {
+ maxLog2 = MAX2(t->Image[0][baseLevel]->WidthLog2,
+ t->Image[0][baseLevel]->HeightLog2);
+ maxLevels = ctx->Const.MaxCubeTextureLevels;
+ }
+ else if (t->Target == GL_TEXTURE_RECTANGLE_NV) {
+ maxLog2 = 0; /* not applicable */
+ maxLevels = 1; /* no mipmapping */
+ }
+ else {
+ _mesa_problem(ctx, "Bad t->Target in _mesa_test_texobj_completeness");
+ return;
+ }
+
+ ASSERT(maxLevels > 0);
+
+ if (t->MaxLevel < t->BaseLevel) {
+ incomplete(t, "MAX_LEVEL (%d) < BASE_LEVEL (%d)",
+ t->MaxLevel, t->BaseLevel);
+ return;
+ }
+
+ t->_MaxLevel = baseLevel + maxLog2;
+ t->_MaxLevel = MIN2(t->_MaxLevel, t->MaxLevel);
+ t->_MaxLevel = MIN2(t->_MaxLevel, maxLevels - 1);
+
+ /* Compute _MaxLambda = q - b (see the 1.2 spec) used during mipmapping */
+ t->_MaxLambda = (GLfloat) (t->_MaxLevel - t->BaseLevel);
+
+ if (t->Target == GL_TEXTURE_CUBE_MAP_ARB) {
+ /* make sure that all six cube map level 0 images are the same size */
+ const GLuint w = t->Image[0][baseLevel]->Width2;
+ const GLuint h = t->Image[0][baseLevel]->Height2;
+ GLuint face;
+ for (face = 1; face < 6; face++) {
+ if (t->Image[face][baseLevel] == NULL ||
+ t->Image[face][baseLevel]->Width2 != w ||
+ t->Image[face][baseLevel]->Height2 != h) {
+ incomplete(t, "Cube face missing or mismatched size");
+ return;
+ }
+ }
+ }
+
+ /* extra checking for mipmaps */
+ if (t->MinFilter != GL_NEAREST && t->MinFilter != GL_LINEAR) {
+ /*
+ * Mipmapping: determine if we have a complete set of mipmaps
+ */
+ GLint i;
+ GLint minLevel = baseLevel;
+ GLint maxLevel = t->_MaxLevel;
+
+ if (minLevel > maxLevel) {
+ incomplete(t, "minLevel > maxLevel");
+ return;
+ }
+
+ /* Test dimension-independent attributes */
+ for (i = minLevel; i <= maxLevel; i++) {
+ if (t->Image[0][i]) {
+ if (t->Image[0][i]->TexFormat != t->Image[0][baseLevel]->TexFormat) {
+ incomplete(t, "Format[i] != Format[baseLevel]");
+ return;
+ }
+ if (t->Image[0][i]->Border != t->Image[0][baseLevel]->Border) {
+ incomplete(t, "Border[i] != Border[baseLevel]");
+ return;
+ }
+ }
+ }
+
+ /* Test things which depend on number of texture image dimensions */
+ if ((t->Target == GL_TEXTURE_1D) ||
+ (t->Target == GL_TEXTURE_1D_ARRAY_EXT)) {
+ /* Test 1-D mipmaps */
+ GLuint width = t->Image[0][baseLevel]->Width2;
+ for (i = baseLevel + 1; i < maxLevels; i++) {
+ if (width > 1) {
+ width /= 2;
+ }
+ if (i >= minLevel && i <= maxLevel) {
+ if (!t->Image[0][i]) {
+ incomplete(t, "1D Image[0][i] == NULL");
+ return;
+ }
+ if (t->Image[0][i]->Width2 != width ) {
+ incomplete(t, "1D Image[0][i] bad width");
+ return;
+ }
+ }
+ if (width == 1) {
+ return; /* found smallest needed mipmap, all done! */
+ }
+ }
+ }
+ else if ((t->Target == GL_TEXTURE_2D) ||
+ (t->Target == GL_TEXTURE_2D_ARRAY_EXT)) {
+ /* Test 2-D mipmaps */
+ GLuint width = t->Image[0][baseLevel]->Width2;
+ GLuint height = t->Image[0][baseLevel]->Height2;
+ for (i = baseLevel + 1; i < maxLevels; i++) {
+ if (width > 1) {
+ width /= 2;
+ }
+ if (height > 1) {
+ height /= 2;
+ }
+ if (i >= minLevel && i <= maxLevel) {
+ if (!t->Image[0][i]) {
+ incomplete(t, "2D Image[0][i] == NULL");
+ return;
+ }
+ if (t->Image[0][i]->Width2 != width) {
+ incomplete(t, "2D Image[0][i] bad width");
+ return;
+ }
+ if (t->Image[0][i]->Height2 != height) {
+ incomplete(t, "2D Image[0][i] bad height");
+ return;
+ }
+ if (width==1 && height==1) {
+ return; /* found smallest needed mipmap, all done! */
+ }
+ }
+ }
+ }
+ else if (t->Target == GL_TEXTURE_3D) {
+ /* Test 3-D mipmaps */
+ GLuint width = t->Image[0][baseLevel]->Width2;
+ GLuint height = t->Image[0][baseLevel]->Height2;
+ GLuint depth = t->Image[0][baseLevel]->Depth2;
+ for (i = baseLevel + 1; i < maxLevels; i++) {
+ if (width > 1) {
+ width /= 2;
+ }
+ if (height > 1) {
+ height /= 2;
+ }
+ if (depth > 1) {
+ depth /= 2;
+ }
+ if (i >= minLevel && i <= maxLevel) {
+ if (!t->Image[0][i]) {
+ incomplete(t, "3D Image[0][i] == NULL");
+ return;
+ }
+ if (t->Image[0][i]->_BaseFormat == GL_DEPTH_COMPONENT) {
+ incomplete(t, "GL_DEPTH_COMPONENT only works with 1/2D tex");
+ return;
+ }
+ if (t->Image[0][i]->Width2 != width) {
+ incomplete(t, "3D Image[0][i] bad width");
+ return;
+ }
+ if (t->Image[0][i]->Height2 != height) {
+ incomplete(t, "3D Image[0][i] bad height");
+ return;
+ }
+ if (t->Image[0][i]->Depth2 != depth) {
+ incomplete(t, "3D Image[0][i] bad depth");
+ return;
+ }
+ }
+ if (width == 1 && height == 1 && depth == 1) {
+ return; /* found smallest needed mipmap, all done! */
+ }
+ }
+ }
+ else if (t->Target == GL_TEXTURE_CUBE_MAP_ARB) {
+ /* make sure 6 cube faces are consistant */
+ GLuint width = t->Image[0][baseLevel]->Width2;
+ GLuint height = t->Image[0][baseLevel]->Height2;
+ for (i = baseLevel + 1; i < maxLevels; i++) {
+ if (width > 1) {
+ width /= 2;
+ }
+ if (height > 1) {
+ height /= 2;
+ }
+ if (i >= minLevel && i <= maxLevel) {
+ GLuint face;
+ for (face = 0; face < 6; face++) {
+ /* check that we have images defined */
+ if (!t->Image[face][i]) {
+ incomplete(t, "CubeMap Image[n][i] == NULL");
+ return;
+ }
+ /* Don't support GL_DEPTH_COMPONENT for cube maps */
+ if (t->Image[face][i]->_BaseFormat == GL_DEPTH_COMPONENT) {
+ incomplete(t, "GL_DEPTH_COMPONENT only works with 1/2D tex");
+ return;
+ }
+ /* check that all six images have same size */
+ if (t->Image[face][i]->Width2 != width ||
+ t->Image[face][i]->Height2 != height) {
+ incomplete(t, "CubeMap Image[n][i] bad size");
+ return;
+ }
+ }
+ }
+ if (width == 1 && height == 1) {
+ return; /* found smallest needed mipmap, all done! */
+ }
+ }
+ }
+ else if (t->Target == GL_TEXTURE_RECTANGLE_NV) {
+ /* XXX special checking? */
+ }
+ else {
+ /* Target = ??? */
+ _mesa_problem(ctx, "Bug in gl_test_texture_object_completeness\n");
+ }
+ }
+}
+
+
+/**
+ * Check if the given cube map texture is "cube complete" as defined in
+ * the OpenGL specification.
+ */
+GLboolean
+_mesa_cube_complete(const struct gl_texture_object *texObj)
+{
+ const GLint baseLevel = texObj->BaseLevel;
+ const struct gl_texture_image *img0, *img;
+ GLuint face;
+
+ if (texObj->Target != GL_TEXTURE_CUBE_MAP)
+ return GL_FALSE;
+
+ if ((baseLevel < 0) || (baseLevel >= MAX_TEXTURE_LEVELS))
+ return GL_FALSE;
+
+ /* check first face */
+ img0 = texObj->Image[0][baseLevel];
+ if (!img0 ||
+ img0->Width < 1 ||
+ img0->Width != img0->Height)
+ return GL_FALSE;
+
+ /* check remaining faces vs. first face */
+ for (face = 1; face < 6; face++) {
+ img = texObj->Image[face][baseLevel];
+ if (!img ||
+ img->Width != img0->Width ||
+ img->Height != img0->Height ||
+ img->TexFormat != img0->TexFormat)
+ return GL_FALSE;
+ }
+
+ return GL_TRUE;
+}
+
+
+/**
+ * Mark a texture object dirty. It forces the object to be incomplete
+ * and optionally forces the context to re-validate its state.
+ *
+ * \param ctx GL context.
+ * \param texObj texture object.
+ * \param invalidate_state also invalidate context state.
+ */
+void
+_mesa_dirty_texobj(struct gl_context *ctx, struct gl_texture_object *texObj,
+ GLboolean invalidate_state)
+{
+ texObj->_Complete = GL_FALSE;
+ if (invalidate_state)
+ ctx->NewState |= _NEW_TEXTURE;
+}
+
+
+/**
+ * Return pointer to a default/fallback texture.
+ * The texture is a 2D 8x8 RGBA texture with all texels = (0,0,0,1).
+ * That's the value a sampler should get when sampling from an
+ * incomplete texture.
+ */
+struct gl_texture_object *
+_mesa_get_fallback_texture(struct gl_context *ctx)
+{
+ if (!ctx->Shared->FallbackTex) {
+ /* create fallback texture now */
+ static GLubyte texels[8 * 8][4];
+ struct gl_texture_object *texObj;
+ struct gl_texture_image *texImage;
+ gl_format texFormat;
+ GLuint i;
+
+ for (i = 0; i < 8 * 8; i++) {
+ texels[i][0] =
+ texels[i][1] =
+ texels[i][2] = 0x0;
+ texels[i][3] = 0xff;
+ }
+
+ /* create texture object */
+ texObj = ctx->Driver.NewTextureObject(ctx, 0, GL_TEXTURE_2D);
+ assert(texObj->RefCount == 1);
+ texObj->MinFilter = GL_NEAREST;
+ texObj->MagFilter = GL_NEAREST;
+
+ /* create level[0] texture image */
+ texImage = _mesa_get_tex_image(ctx, texObj, GL_TEXTURE_2D, 0);
+
+ texFormat = ctx->Driver.ChooseTextureFormat(ctx, GL_RGBA, GL_RGBA,
+ GL_UNSIGNED_BYTE);
+
+ /* init the image fields */
+ _mesa_init_teximage_fields(ctx, GL_TEXTURE_2D, texImage,
+ 8, 8, 1, 0, GL_RGBA, texFormat);
+
+ ASSERT(texImage->TexFormat != MESA_FORMAT_NONE);
+
+ /* set image data */
+ ctx->Driver.TexImage2D(ctx, GL_TEXTURE_2D, 0, GL_RGBA,
+ 8, 8, 0,
+ GL_RGBA, GL_UNSIGNED_BYTE, texels,
+ &ctx->DefaultPacking, texObj, texImage);
+
+ _mesa_test_texobj_completeness(ctx, texObj);
+ assert(texObj->_Complete);
+
+ ctx->Shared->FallbackTex = texObj;
+ }
+ return ctx->Shared->FallbackTex;
+}
+
+
+/*@}*/
+
+
+/***********************************************************************/
+/** \name API functions */
+/*@{*/
+
+
+/**
+ * Generate texture names.
+ *
+ * \param n number of texture names to be generated.
+ * \param textures an array in which will hold the generated texture names.
+ *
+ * \sa glGenTextures().
+ *
+ * Calls _mesa_HashFindFreeKeyBlock() to find a block of free texture
+ * IDs which are stored in \p textures. Corresponding empty texture
+ * objects are also generated.
+ */
+void GLAPIENTRY
+_mesa_GenTextures( GLsizei n, GLuint *textures )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ GLuint first;
+ GLint i;
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (n < 0) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glGenTextures" );
+ return;
+ }
+
+ if (!textures)
+ return;
+
+ /*
+ * This must be atomic (generation and allocation of texture IDs)
+ */
+ _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
+
+ first = _mesa_HashFindFreeKeyBlock(ctx->Shared->TexObjects, n);
+
+ /* Allocate new, empty texture objects */
+ for (i = 0; i < n; i++) {
+ struct gl_texture_object *texObj;
+ GLuint name = first + i;
+ GLenum target = 0;
+ texObj = (*ctx->Driver.NewTextureObject)( ctx, name, target);
+ if (!texObj) {
+ _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGenTextures");
+ return;
+ }
+
+ /* insert into hash table */
+ _mesa_HashInsert(ctx->Shared->TexObjects, texObj->Name, texObj);
+
+ textures[i] = name;
+ }
+
+ _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
+}
+
+
+/**
+ * Check if the given texture object is bound to the current draw or
+ * read framebuffer. If so, Unbind it.
+ */
+static void
+unbind_texobj_from_fbo(struct gl_context *ctx,
+ struct gl_texture_object *texObj)
+{
+ const GLuint n = (ctx->DrawBuffer == ctx->ReadBuffer) ? 1 : 2;
+ GLuint i;
+
+ for (i = 0; i < n; i++) {
+ struct gl_framebuffer *fb = (i == 0) ? ctx->DrawBuffer : ctx->ReadBuffer;
+ if (fb->Name) {
+ GLuint j;
+ for (j = 0; j < BUFFER_COUNT; j++) {
+ if (fb->Attachment[j].Type == GL_TEXTURE &&
+ fb->Attachment[j].Texture == texObj) {
+ _mesa_remove_attachment(ctx, fb->Attachment + j);
+ }
+ }
+ }
+ }
+}
+
+
+/**
+ * Check if the given texture object is bound to any texture image units and
+ * unbind it if so (revert to default textures).
+ */
+static void
+unbind_texobj_from_texunits(struct gl_context *ctx,
+ struct gl_texture_object *texObj)
+{
+ GLuint u, tex;
+
+ for (u = 0; u < MAX_TEXTURE_IMAGE_UNITS; u++) {
+ struct gl_texture_unit *unit = &ctx->Texture.Unit[u];
+ for (tex = 0; tex < NUM_TEXTURE_TARGETS; tex++) {
+ if (texObj == unit->CurrentTex[tex]) {
+ _mesa_reference_texobj(&unit->CurrentTex[tex],
+ ctx->Shared->DefaultTex[tex]);
+ ASSERT(unit->CurrentTex[tex]);
+ break;
+ }
+ }
+ }
+}
+
+
+/**
+ * Delete named textures.
+ *
+ * \param n number of textures to be deleted.
+ * \param textures array of texture IDs to be deleted.
+ *
+ * \sa glDeleteTextures().
+ *
+ * If we're about to delete a texture that's currently bound to any
+ * texture unit, unbind the texture first. Decrement the reference
+ * count on the texture object and delete it if it's zero.
+ * Recall that texture objects can be shared among several rendering
+ * contexts.
+ */
+void GLAPIENTRY
+_mesa_DeleteTextures( GLsizei n, const GLuint *textures)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ GLint i;
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); /* too complex */
+
+ if (!textures)
+ return;
+
+ for (i = 0; i < n; i++) {
+ if (textures[i] > 0) {
+ struct gl_texture_object *delObj
+ = _mesa_lookup_texture(ctx, textures[i]);
+
+ if (delObj) {
+ _mesa_lock_texture(ctx, delObj);
+
+ /* Check if texture is bound to any framebuffer objects.
+ * If so, unbind.
+ * See section 4.4.2.3 of GL_EXT_framebuffer_object.
+ */
+ unbind_texobj_from_fbo(ctx, delObj);
+
+ /* Check if this texture is currently bound to any texture units.
+ * If so, unbind it.
+ */
+ unbind_texobj_from_texunits(ctx, delObj);
+
+ _mesa_unlock_texture(ctx, delObj);
+
+ ctx->NewState |= _NEW_TEXTURE;
+
+ /* The texture _name_ is now free for re-use.
+ * Remove it from the hash table now.
+ */
+ _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
+ _mesa_HashRemove(ctx->Shared->TexObjects, delObj->Name);
+ _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
+
+ /* Unreference the texobj. If refcount hits zero, the texture
+ * will be deleted.
+ */
+ _mesa_reference_texobj(&delObj, NULL);
+ }
+ }
+ }
+}
+
+
+/**
+ * Convert a GL texture target enum such as GL_TEXTURE_2D or GL_TEXTURE_3D
+ * into the corresponding Mesa texture target index.
+ * Note that proxy targets are not valid here.
+ * \return TEXTURE_x_INDEX or -1 if target is invalid
+ */
+static GLint
+target_enum_to_index(GLenum target)
+{
+ switch (target) {
+ case GL_TEXTURE_1D:
+ return TEXTURE_1D_INDEX;
+ case GL_TEXTURE_2D:
+ return TEXTURE_2D_INDEX;
+ case GL_TEXTURE_3D:
+ return TEXTURE_3D_INDEX;
+ case GL_TEXTURE_CUBE_MAP_ARB:
+ return TEXTURE_CUBE_INDEX;
+ case GL_TEXTURE_RECTANGLE_NV:
+ return TEXTURE_RECT_INDEX;
+ case GL_TEXTURE_1D_ARRAY_EXT:
+ return TEXTURE_1D_ARRAY_INDEX;
+ case GL_TEXTURE_2D_ARRAY_EXT:
+ return TEXTURE_2D_ARRAY_INDEX;
+ default:
+ return -1;
+ }
+}
+
+
+/**
+ * Bind a named texture to a texturing target.
+ *
+ * \param target texture target.
+ * \param texName texture name.
+ *
+ * \sa glBindTexture().
+ *
+ * Determines the old texture object bound and returns immediately if rebinding
+ * the same texture. Get the current texture which is either a default texture
+ * if name is null, a named texture from the hash, or a new texture if the
+ * given texture name is new. Increments its reference count, binds it, and
+ * calls dd_function_table::BindTexture. Decrements the old texture reference
+ * count and deletes it if it reaches zero.
+ */
+void GLAPIENTRY
+_mesa_BindTexture( GLenum target, GLuint texName )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
+ struct gl_texture_object *newTexObj = NULL;
+ GLint targetIndex;
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
+ _mesa_debug(ctx, "glBindTexture %s %d\n",
+ _mesa_lookup_enum_by_nr(target), (GLint) texName);
+
+ targetIndex = target_enum_to_index(target);
+ if (targetIndex < 0) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBindTexture(target)");
+ return;
+ }
+ assert(targetIndex < NUM_TEXTURE_TARGETS);
+
+ /*
+ * Get pointer to new texture object (newTexObj)
+ */
+ if (texName == 0) {
+ /* Use a default texture object */
+ newTexObj = ctx->Shared->DefaultTex[targetIndex];
+ }
+ else {
+ /* non-default texture object */
+ newTexObj = _mesa_lookup_texture(ctx, texName);
+ if (newTexObj) {
+ /* error checking */
+ if (newTexObj->Target != 0 && newTexObj->Target != target) {
+ /* the named texture object's target doesn't match the given target */
+ _mesa_error( ctx, GL_INVALID_OPERATION,
+ "glBindTexture(target mismatch)" );
+ return;
+ }
+ if (newTexObj->Target == 0) {
+ finish_texture_init(ctx, target, newTexObj);
+ }
+ }
+ else {
+ /* if this is a new texture id, allocate a texture object now */
+ newTexObj = (*ctx->Driver.NewTextureObject)(ctx, texName, target);
+ if (!newTexObj) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindTexture");
+ return;
+ }
+
+ /* and insert it into hash table */
+ _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
+ _mesa_HashInsert(ctx->Shared->TexObjects, texName, newTexObj);
+ _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
+ }
+ newTexObj->Target = target;
+ }
+
+ assert(valid_texture_object(newTexObj));
+
+ /* Check if this texture is only used by this context and is already bound.
+ * If so, just return.
+ */
+ {
+ GLboolean early_out;
+ _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
+ early_out = ((ctx->Shared->RefCount == 1)
+ && (newTexObj == texUnit->CurrentTex[targetIndex]));
+ _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
+ if (early_out) {
+ return;
+ }
+ }
+
+ /* flush before changing binding */
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+
+ /* Do the actual binding. The refcount on the previously bound
+ * texture object will be decremented. It'll be deleted if the
+ * count hits zero.
+ */
+ _mesa_reference_texobj(&texUnit->CurrentTex[targetIndex], newTexObj);
+ ASSERT(texUnit->CurrentTex[targetIndex]);
+
+ /* Pass BindTexture call to device driver */
+ if (ctx->Driver.BindTexture)
+ (*ctx->Driver.BindTexture)( ctx, target, newTexObj );
+}
+
+
+/**
+ * Set texture priorities.
+ *
+ * \param n number of textures.
+ * \param texName texture names.
+ * \param priorities corresponding texture priorities.
+ *
+ * \sa glPrioritizeTextures().
+ *
+ * Looks up each texture in the hash, clamps the corresponding priority between
+ * 0.0 and 1.0, and calls dd_function_table::PrioritizeTexture.
+ */
+void GLAPIENTRY
+_mesa_PrioritizeTextures( GLsizei n, const GLuint *texName,
+ const GLclampf *priorities )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ GLint i;
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (n < 0) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glPrioritizeTextures" );
+ return;
+ }
+
+ if (!priorities)
+ return;
+
+ for (i = 0; i < n; i++) {
+ if (texName[i] > 0) {
+ struct gl_texture_object *t = _mesa_lookup_texture(ctx, texName[i]);
+ if (t) {
+ t->Priority = CLAMP( priorities[i], 0.0F, 1.0F );
+ }
+ }
+ }
+
+ ctx->NewState |= _NEW_TEXTURE;
+}
+
+
+
+/**
+ * See if textures are loaded in texture memory.
+ *
+ * \param n number of textures to query.
+ * \param texName array with the texture names.
+ * \param residences array which will hold the residence status.
+ *
+ * \return GL_TRUE if all textures are resident and \p residences is left unchanged,
+ *
+ * \sa glAreTexturesResident().
+ *
+ * Looks up each texture in the hash and calls
+ * dd_function_table::IsTextureResident.
+ */
+GLboolean GLAPIENTRY
+_mesa_AreTexturesResident(GLsizei n, const GLuint *texName,
+ GLboolean *residences)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ GLboolean allResident = GL_TRUE;
+ GLint i, j;
+ ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
+
+ if (n < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glAreTexturesResident(n)");
+ return GL_FALSE;
+ }
+
+ if (!texName || !residences)
+ return GL_FALSE;
+
+ for (i = 0; i < n; i++) {
+ struct gl_texture_object *t;
+ if (texName[i] == 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glAreTexturesResident");
+ return GL_FALSE;
+ }
+ t = _mesa_lookup_texture(ctx, texName[i]);
+ if (!t) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glAreTexturesResident");
+ return GL_FALSE;
+ }
+ if (!ctx->Driver.IsTextureResident ||
+ ctx->Driver.IsTextureResident(ctx, t)) {
+ /* The texture is resident */
+ if (!allResident)
+ residences[i] = GL_TRUE;
+ }
+ else {
+ /* The texture is not resident */
+ if (allResident) {
+ allResident = GL_FALSE;
+ for (j = 0; j < i; j++)
+ residences[j] = GL_TRUE;
+ }
+ residences[i] = GL_FALSE;
+ }
+ }
+
+ return allResident;
+}
+
+
+/**
+ * See if a name corresponds to a texture.
+ *
+ * \param texture texture name.
+ *
+ * \return GL_TRUE if texture name corresponds to a texture, or GL_FALSE
+ * otherwise.
+ *
+ * \sa glIsTexture().
+ *
+ * Calls _mesa_HashLookup().
+ */
+GLboolean GLAPIENTRY
+_mesa_IsTexture( GLuint texture )
+{
+ struct gl_texture_object *t;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
+
+ if (!texture)
+ return GL_FALSE;
+
+ t = _mesa_lookup_texture(ctx, texture);
+
+ /* IsTexture is true only after object has been bound once. */
+ return t && t->Target;
+}
+
+
+/**
+ * Simplest implementation of texture locking: grab the shared tex
+ * mutex. Examine the shared context state timestamp and if there has
+ * been a change, set the appropriate bits in ctx->NewState.
+ *
+ * This is used to deal with synchronizing things when a texture object
+ * is used/modified by different contexts (or threads) which are sharing
+ * the texture.
+ *
+ * See also _mesa_lock/unlock_texture() in teximage.h
+ */
+void
+_mesa_lock_context_textures( struct gl_context *ctx )
+{
+ _glthread_LOCK_MUTEX(ctx->Shared->TexMutex);
+
+ if (ctx->Shared->TextureStateStamp != ctx->TextureStateTimestamp) {
+ ctx->NewState |= _NEW_TEXTURE;
+ ctx->TextureStateTimestamp = ctx->Shared->TextureStateStamp;
+ }
+}
+
+
+void
+_mesa_unlock_context_textures( struct gl_context *ctx )
+{
+ assert(ctx->Shared->TextureStateStamp == ctx->TextureStateTimestamp);
+ _glthread_UNLOCK_MUTEX(ctx->Shared->TexMutex);
+}
+
+/*@}*/
diff --git a/mesalib/src/mesa/main/texstate.c b/mesalib/src/mesa/main/texstate.c
index 41d531f59..40282eabf 100644
--- a/mesalib/src/mesa/main/texstate.c
+++ b/mesalib/src/mesa/main/texstate.c
@@ -1,841 +1,841 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.5
- *
- * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/**
- * \file texstate.c
- *
- * Texture state handling.
- */
-
-#include "glheader.h"
-#include "mfeatures.h"
-#include "colormac.h"
-#include "colortab.h"
-#include "context.h"
-#include "enums.h"
-#include "macros.h"
-#include "texobj.h"
-#include "teximage.h"
-#include "texstate.h"
-#include "mtypes.h"
-
-
-
-/**
- * Default texture combine environment state. This is used to initialize
- * a context's texture units and as the basis for converting "classic"
- * texture environmnets to ARB_texture_env_combine style values.
- */
-static const struct gl_tex_env_combine_state default_combine_state = {
- GL_MODULATE, GL_MODULATE,
- { GL_TEXTURE, GL_PREVIOUS, GL_CONSTANT, GL_CONSTANT },
- { GL_TEXTURE, GL_PREVIOUS, GL_CONSTANT, GL_CONSTANT },
- { GL_SRC_COLOR, GL_SRC_COLOR, GL_SRC_ALPHA, GL_SRC_ALPHA },
- { GL_SRC_ALPHA, GL_SRC_ALPHA, GL_SRC_ALPHA, GL_SRC_ALPHA },
- 0, 0,
- 2, 2
-};
-
-
-
-/**
- * Used by glXCopyContext to copy texture state from one context to another.
- */
-void
-_mesa_copy_texture_state( const struct gl_context *src, struct gl_context *dst )
-{
- GLuint u, tex;
-
- ASSERT(src);
- ASSERT(dst);
-
- dst->Texture.CurrentUnit = src->Texture.CurrentUnit;
- dst->Texture._GenFlags = src->Texture._GenFlags;
- dst->Texture._TexGenEnabled = src->Texture._TexGenEnabled;
- dst->Texture._TexMatEnabled = src->Texture._TexMatEnabled;
- dst->Texture.SharedPalette = src->Texture.SharedPalette;
-
- /* per-unit state */
- for (u = 0; u < src->Const.MaxCombinedTextureImageUnits; u++) {
- dst->Texture.Unit[u].Enabled = src->Texture.Unit[u].Enabled;
- dst->Texture.Unit[u].EnvMode = src->Texture.Unit[u].EnvMode;
- COPY_4V(dst->Texture.Unit[u].EnvColor, src->Texture.Unit[u].EnvColor);
- dst->Texture.Unit[u].TexGenEnabled = src->Texture.Unit[u].TexGenEnabled;
- dst->Texture.Unit[u].GenS = src->Texture.Unit[u].GenS;
- dst->Texture.Unit[u].GenT = src->Texture.Unit[u].GenT;
- dst->Texture.Unit[u].GenR = src->Texture.Unit[u].GenR;
- dst->Texture.Unit[u].GenQ = src->Texture.Unit[u].GenQ;
- dst->Texture.Unit[u].LodBias = src->Texture.Unit[u].LodBias;
-
- /* GL_EXT_texture_env_combine */
- dst->Texture.Unit[u].Combine = src->Texture.Unit[u].Combine;
-
- /* GL_ATI_envmap_bumpmap - need this? */
- dst->Texture.Unit[u].BumpTarget = src->Texture.Unit[u].BumpTarget;
- COPY_4V(dst->Texture.Unit[u].RotMatrix, src->Texture.Unit[u].RotMatrix);
-
- /*
- * XXX strictly speaking, we should compare texture names/ids and
- * bind textures in the dest context according to id. For now, only
- * copy bindings if the contexts share the same pool of textures to
- * avoid refcounting bugs.
- */
- if (dst->Shared == src->Shared) {
- /* copy texture object bindings, not contents of texture objects */
- _mesa_lock_context_textures(dst);
-
- for (tex = 0; tex < NUM_TEXTURE_TARGETS; tex++) {
- _mesa_reference_texobj(&dst->Texture.Unit[u].CurrentTex[tex],
- src->Texture.Unit[u].CurrentTex[tex]);
- }
- _mesa_unlock_context_textures(dst);
- }
- }
-}
-
-
-/*
- * For debugging
- */
-void
-_mesa_print_texunit_state( struct gl_context *ctx, GLuint unit )
-{
- const struct gl_texture_unit *texUnit = ctx->Texture.Unit + unit;
- printf("Texture Unit %d\n", unit);
- printf(" GL_TEXTURE_ENV_MODE = %s\n", _mesa_lookup_enum_by_nr(texUnit->EnvMode));
- printf(" GL_COMBINE_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.ModeRGB));
- printf(" GL_COMBINE_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.ModeA));
- printf(" GL_SOURCE0_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceRGB[0]));
- printf(" GL_SOURCE1_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceRGB[1]));
- printf(" GL_SOURCE2_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceRGB[2]));
- printf(" GL_SOURCE0_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceA[0]));
- printf(" GL_SOURCE1_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceA[1]));
- printf(" GL_SOURCE2_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceA[2]));
- printf(" GL_OPERAND0_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandRGB[0]));
- printf(" GL_OPERAND1_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandRGB[1]));
- printf(" GL_OPERAND2_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandRGB[2]));
- printf(" GL_OPERAND0_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandA[0]));
- printf(" GL_OPERAND1_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandA[1]));
- printf(" GL_OPERAND2_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandA[2]));
- printf(" GL_RGB_SCALE = %d\n", 1 << texUnit->Combine.ScaleShiftRGB);
- printf(" GL_ALPHA_SCALE = %d\n", 1 << texUnit->Combine.ScaleShiftA);
- printf(" GL_TEXTURE_ENV_COLOR = (%f, %f, %f, %f)\n", texUnit->EnvColor[0], texUnit->EnvColor[1], texUnit->EnvColor[2], texUnit->EnvColor[3]);
-}
-
-
-
-/**********************************************************************/
-/* Texture Environment */
-/**********************************************************************/
-
-/**
- * Convert "classic" texture environment to ARB_texture_env_combine style
- * environments.
- *
- * \param state texture_env_combine state vector to be filled-in.
- * \param mode Classic texture environment mode (i.e., \c GL_REPLACE,
- * \c GL_BLEND, \c GL_DECAL, etc.).
- * \param texBaseFormat Base format of the texture associated with the
- * texture unit.
- */
-static void
-calculate_derived_texenv( struct gl_tex_env_combine_state *state,
- GLenum mode, GLenum texBaseFormat )
-{
- GLenum mode_rgb;
- GLenum mode_a;
-
- *state = default_combine_state;
-
- switch (texBaseFormat) {
- case GL_ALPHA:
- state->SourceRGB[0] = GL_PREVIOUS;
- break;
-
- case GL_LUMINANCE_ALPHA:
- case GL_INTENSITY:
- case GL_RGBA:
- break;
-
- case GL_LUMINANCE:
- case GL_RED:
- case GL_RG:
- case GL_RGB:
- case GL_YCBCR_MESA:
- case GL_DUDV_ATI:
- state->SourceA[0] = GL_PREVIOUS;
- break;
-
- default:
- _mesa_problem(NULL,
- "Invalid texBaseFormat 0x%x in calculate_derived_texenv",
- texBaseFormat);
- return;
- }
-
- if (mode == GL_REPLACE_EXT)
- mode = GL_REPLACE;
-
- switch (mode) {
- case GL_REPLACE:
- case GL_MODULATE:
- mode_rgb = (texBaseFormat == GL_ALPHA) ? GL_REPLACE : mode;
- mode_a = mode;
- break;
-
- case GL_DECAL:
- mode_rgb = GL_INTERPOLATE;
- mode_a = GL_REPLACE;
-
- state->SourceA[0] = GL_PREVIOUS;
-
- /* Having alpha / luminance / intensity textures replace using the
- * incoming fragment color matches the definition in NV_texture_shader.
- * The 1.5 spec simply marks these as "undefined".
- */
- switch (texBaseFormat) {
- case GL_ALPHA:
- case GL_LUMINANCE:
- case GL_LUMINANCE_ALPHA:
- case GL_INTENSITY:
- state->SourceRGB[0] = GL_PREVIOUS;
- break;
- case GL_RED:
- case GL_RG:
- case GL_RGB:
- case GL_YCBCR_MESA:
- case GL_DUDV_ATI:
- mode_rgb = GL_REPLACE;
- break;
- case GL_RGBA:
- state->SourceRGB[2] = GL_TEXTURE;
- break;
- }
- break;
-
- case GL_BLEND:
- mode_rgb = GL_INTERPOLATE;
- mode_a = GL_MODULATE;
-
- switch (texBaseFormat) {
- case GL_ALPHA:
- mode_rgb = GL_REPLACE;
- break;
- case GL_INTENSITY:
- mode_a = GL_INTERPOLATE;
- state->SourceA[0] = GL_CONSTANT;
- state->OperandA[2] = GL_SRC_ALPHA;
- /* FALLTHROUGH */
- case GL_LUMINANCE:
- case GL_RED:
- case GL_RG:
- case GL_RGB:
- case GL_LUMINANCE_ALPHA:
- case GL_RGBA:
- case GL_YCBCR_MESA:
- case GL_DUDV_ATI:
- state->SourceRGB[2] = GL_TEXTURE;
- state->SourceA[2] = GL_TEXTURE;
- state->SourceRGB[0] = GL_CONSTANT;
- state->OperandRGB[2] = GL_SRC_COLOR;
- break;
- }
- break;
-
- case GL_ADD:
- mode_rgb = (texBaseFormat == GL_ALPHA) ? GL_REPLACE : GL_ADD;
- mode_a = (texBaseFormat == GL_INTENSITY) ? GL_ADD : GL_MODULATE;
- break;
-
- default:
- _mesa_problem(NULL,
- "Invalid texture env mode 0x%x in calculate_derived_texenv",
- mode);
- return;
- }
-
- state->ModeRGB = (state->SourceRGB[0] != GL_PREVIOUS)
- ? mode_rgb : GL_REPLACE;
- state->ModeA = (state->SourceA[0] != GL_PREVIOUS)
- ? mode_a : GL_REPLACE;
-}
-
-
-
-
-/* GL_ARB_multitexture */
-void GLAPIENTRY
-_mesa_ActiveTextureARB(GLenum texture)
-{
- const GLuint texUnit = texture - GL_TEXTURE0;
- GLuint k;
- GET_CURRENT_CONTEXT(ctx);
-
- /* See OpenGL spec for glActiveTexture: */
- k = MAX2(ctx->Const.MaxCombinedTextureImageUnits,
- ctx->Const.MaxTextureCoordUnits);
-
- ASSERT(k <= Elements(ctx->Texture.Unit));
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
- _mesa_debug(ctx, "glActiveTexture %s\n",
- _mesa_lookup_enum_by_nr(texture));
-
- if (texUnit >= k) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glActiveTexture(texture=%s)",
- _mesa_lookup_enum_by_nr(texture));
- return;
- }
-
- if (ctx->Texture.CurrentUnit == texUnit)
- return;
-
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
-
- ctx->Texture.CurrentUnit = texUnit;
- if (ctx->Transform.MatrixMode == GL_TEXTURE) {
- /* update current stack pointer */
- ctx->CurrentStack = &ctx->TextureMatrixStack[texUnit];
- }
-}
-
-
-/* GL_ARB_multitexture */
-void GLAPIENTRY
-_mesa_ClientActiveTextureARB(GLenum texture)
-{
- GET_CURRENT_CONTEXT(ctx);
- GLuint texUnit = texture - GL_TEXTURE0;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (MESA_VERBOSE & (VERBOSE_API | VERBOSE_TEXTURE))
- _mesa_debug(ctx, "glClientActiveTexture %s\n",
- _mesa_lookup_enum_by_nr(texture));
-
- if (texUnit >= ctx->Const.MaxTextureCoordUnits) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glClientActiveTexture(texture)");
- return;
- }
-
- if (ctx->Array.ActiveTexture == texUnit)
- return;
-
- FLUSH_VERTICES(ctx, _NEW_ARRAY);
- ctx->Array.ActiveTexture = texUnit;
-}
-
-
-
-/**********************************************************************/
-/***** State management *****/
-/**********************************************************************/
-
-
-/**
- * \note This routine refers to derived texture attribute values to
- * compute the ENABLE_TEXMAT flags, but is only called on
- * _NEW_TEXTURE_MATRIX. On changes to _NEW_TEXTURE, the ENABLE_TEXMAT
- * flags are updated by _mesa_update_textures(), below.
- *
- * \param ctx GL context.
- */
-static void
-update_texture_matrices( struct gl_context *ctx )
-{
- GLuint u;
-
- ctx->Texture._TexMatEnabled = 0x0;
-
- for (u = 0; u < ctx->Const.MaxTextureCoordUnits; u++) {
- ASSERT(u < Elements(ctx->TextureMatrixStack));
- if (_math_matrix_is_dirty(ctx->TextureMatrixStack[u].Top)) {
- _math_matrix_analyse( ctx->TextureMatrixStack[u].Top );
-
- if (ctx->Texture.Unit[u]._ReallyEnabled &&
- ctx->TextureMatrixStack[u].Top->type != MATRIX_IDENTITY)
- ctx->Texture._TexMatEnabled |= ENABLE_TEXMAT(u);
- }
- }
-}
-
-
-/**
- * Examine texture unit's combine/env state to update derived state.
- */
-static void
-update_tex_combine(struct gl_context *ctx, struct gl_texture_unit *texUnit)
-{
- struct gl_tex_env_combine_state *combine;
-
- /* Set the texUnit->_CurrentCombine field to point to the user's combiner
- * state, or the combiner state which is derived from traditional texenv
- * mode.
- */
- if (texUnit->EnvMode == GL_COMBINE ||
- texUnit->EnvMode == GL_COMBINE4_NV) {
- texUnit->_CurrentCombine = & texUnit->Combine;
- }
- else {
- const struct gl_texture_object *texObj = texUnit->_Current;
- GLenum format = texObj->Image[0][texObj->BaseLevel]->_BaseFormat;
- if (format == GL_COLOR_INDEX) {
- format = GL_RGBA; /* a bit of a hack */
- }
- else if (format == GL_DEPTH_COMPONENT ||
- format == GL_DEPTH_STENCIL_EXT) {
- format = texObj->DepthMode;
- }
- calculate_derived_texenv(&texUnit->_EnvMode, texUnit->EnvMode, format);
- texUnit->_CurrentCombine = & texUnit->_EnvMode;
- }
-
- combine = texUnit->_CurrentCombine;
-
- /* Determine number of source RGB terms in the combiner function */
- switch (combine->ModeRGB) {
- case GL_REPLACE:
- combine->_NumArgsRGB = 1;
- break;
- case GL_ADD:
- case GL_ADD_SIGNED:
- if (texUnit->EnvMode == GL_COMBINE4_NV)
- combine->_NumArgsRGB = 4;
- else
- combine->_NumArgsRGB = 2;
- break;
- case GL_MODULATE:
- case GL_SUBTRACT:
- case GL_DOT3_RGB:
- case GL_DOT3_RGBA:
- case GL_DOT3_RGB_EXT:
- case GL_DOT3_RGBA_EXT:
- combine->_NumArgsRGB = 2;
- break;
- case GL_INTERPOLATE:
- case GL_MODULATE_ADD_ATI:
- case GL_MODULATE_SIGNED_ADD_ATI:
- case GL_MODULATE_SUBTRACT_ATI:
- combine->_NumArgsRGB = 3;
- break;
- case GL_BUMP_ENVMAP_ATI:
- /* no real arguments for this case */
- combine->_NumArgsRGB = 0;
- break;
- default:
- combine->_NumArgsRGB = 0;
- _mesa_problem(ctx, "invalid RGB combine mode in update_texture_state");
- return;
- }
-
- /* Determine number of source Alpha terms in the combiner function */
- switch (combine->ModeA) {
- case GL_REPLACE:
- combine->_NumArgsA = 1;
- break;
- case GL_ADD:
- case GL_ADD_SIGNED:
- if (texUnit->EnvMode == GL_COMBINE4_NV)
- combine->_NumArgsA = 4;
- else
- combine->_NumArgsA = 2;
- break;
- case GL_MODULATE:
- case GL_SUBTRACT:
- combine->_NumArgsA = 2;
- break;
- case GL_INTERPOLATE:
- case GL_MODULATE_ADD_ATI:
- case GL_MODULATE_SIGNED_ADD_ATI:
- case GL_MODULATE_SUBTRACT_ATI:
- combine->_NumArgsA = 3;
- break;
- default:
- combine->_NumArgsA = 0;
- _mesa_problem(ctx, "invalid Alpha combine mode in update_texture_state");
- break;
- }
-}
-
-
-/**
- * \note This routine refers to derived texture matrix values to
- * compute the ENABLE_TEXMAT flags, but is only called on
- * _NEW_TEXTURE. On changes to _NEW_TEXTURE_MATRIX, the ENABLE_TEXMAT
- * flags are updated by _mesa_update_texture_matrices, above.
- *
- * \param ctx GL context.
- */
-static void
-update_texture_state( struct gl_context *ctx )
-{
- GLuint unit;
- struct gl_fragment_program *fprog = NULL;
- struct gl_vertex_program *vprog = NULL;
- GLbitfield enabledFragUnits = 0x0;
-
- if (ctx->Shader.CurrentVertexProgram &&
- ctx->Shader.CurrentVertexProgram->LinkStatus) {
- vprog = ctx->Shader.CurrentVertexProgram->VertexProgram;
- } else if (ctx->VertexProgram._Enabled) {
- /* XXX enable this if/when non-shader vertex programs get
- * texture fetches:
- vprog = ctx->VertexProgram.Current;
- */
- }
-
- if (ctx->Shader.CurrentFragmentProgram &&
- ctx->Shader.CurrentFragmentProgram->LinkStatus) {
- fprog = ctx->Shader.CurrentFragmentProgram->FragmentProgram;
- }
- else if (ctx->FragmentProgram._Enabled) {
- fprog = ctx->FragmentProgram.Current;
- }
-
- /* FINISHME: Geometry shader texture accesses should also be considered
- * FINISHME: here.
- */
-
- /* TODO: only set this if there are actual changes */
- ctx->NewState |= _NEW_TEXTURE;
-
- ctx->Texture._EnabledUnits = 0x0;
- ctx->Texture._GenFlags = 0x0;
- ctx->Texture._TexMatEnabled = 0x0;
- ctx->Texture._TexGenEnabled = 0x0;
-
- /*
- * Update texture unit state.
- */
- for (unit = 0; unit < ctx->Const.MaxCombinedTextureImageUnits; unit++) {
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
- GLbitfield enabledVertTargets = 0x0;
- GLbitfield enabledFragTargets = 0x0;
- GLbitfield enabledTargets = 0x0;
- GLuint texIndex;
-
- /* Get the bitmask of texture target enables.
- * enableBits will be a mask of the TEXTURE_*_BIT flags indicating
- * which texture targets are enabled (fixed function) or referenced
- * by a fragment program/program. When multiple flags are set, we'll
- * settle on the one with highest priority (see below).
- */
- if (vprog) {
- enabledVertTargets |= vprog->Base.TexturesUsed[unit];
- }
-
- if (fprog) {
- enabledFragTargets |= fprog->Base.TexturesUsed[unit];
- }
- else {
- /* fixed-function fragment program */
- enabledFragTargets |= texUnit->Enabled;
- }
-
- enabledTargets = enabledVertTargets | enabledFragTargets;
-
- texUnit->_ReallyEnabled = 0x0;
-
- if (enabledTargets == 0x0) {
- /* neither vertex nor fragment processing uses this unit */
- continue;
- }
-
- /* Look for the highest priority texture target that's enabled (or used
- * by the vert/frag shaders) and "complete". That's the one we'll use
- * for texturing. If we're using vert/frag program we're guaranteed
- * that bitcount(enabledBits) <= 1.
- * Note that the TEXTURE_x_INDEX values are in high to low priority.
- */
- for (texIndex = 0; texIndex < NUM_TEXTURE_TARGETS; texIndex++) {
- if (enabledTargets & (1 << texIndex)) {
- struct gl_texture_object *texObj = texUnit->CurrentTex[texIndex];
- if (!texObj->_Complete) {
- _mesa_test_texobj_completeness(ctx, texObj);
- }
- if (texObj->_Complete) {
- texUnit->_ReallyEnabled = 1 << texIndex;
- _mesa_reference_texobj(&texUnit->_Current, texObj);
- break;
- }
- }
- }
-
- if (!texUnit->_ReallyEnabled) {
- if (fprog) {
- /* If we get here it means the shader is expecting a texture
- * object, but there isn't one (or it's incomplete). Use the
- * fallback texture.
- */
- struct gl_texture_object *texObj = _mesa_get_fallback_texture(ctx);
- texUnit->_ReallyEnabled = 1 << TEXTURE_2D_INDEX;
- _mesa_reference_texobj(&texUnit->_Current, texObj);
- }
- else {
- /* fixed-function: texture unit is really disabled */
- continue;
- }
- }
-
- /* if we get here, we know this texture unit is enabled */
-
- ctx->Texture._EnabledUnits |= (1 << unit);
-
- if (enabledFragTargets)
- enabledFragUnits |= (1 << unit);
-
- update_tex_combine(ctx, texUnit);
- }
-
-
- /* Determine which texture coordinate sets are actually needed */
- if (fprog) {
- const GLuint coordMask = (1 << MAX_TEXTURE_COORD_UNITS) - 1;
- ctx->Texture._EnabledCoordUnits
- = (fprog->Base.InputsRead >> FRAG_ATTRIB_TEX0) & coordMask;
- }
- else {
- ctx->Texture._EnabledCoordUnits = enabledFragUnits;
- }
-
- /* Setup texgen for those texture coordinate sets that are in use */
- for (unit = 0; unit < ctx->Const.MaxTextureCoordUnits; unit++) {
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
-
- texUnit->_GenFlags = 0x0;
-
- if (!(ctx->Texture._EnabledCoordUnits & (1 << unit)))
- continue;
-
- if (texUnit->TexGenEnabled) {
- if (texUnit->TexGenEnabled & S_BIT) {
- texUnit->_GenFlags |= texUnit->GenS._ModeBit;
- }
- if (texUnit->TexGenEnabled & T_BIT) {
- texUnit->_GenFlags |= texUnit->GenT._ModeBit;
- }
- if (texUnit->TexGenEnabled & R_BIT) {
- texUnit->_GenFlags |= texUnit->GenR._ModeBit;
- }
- if (texUnit->TexGenEnabled & Q_BIT) {
- texUnit->_GenFlags |= texUnit->GenQ._ModeBit;
- }
-
- ctx->Texture._TexGenEnabled |= ENABLE_TEXGEN(unit);
- ctx->Texture._GenFlags |= texUnit->_GenFlags;
- }
-
- ASSERT(unit < Elements(ctx->TextureMatrixStack));
- if (ctx->TextureMatrixStack[unit].Top->type != MATRIX_IDENTITY)
- ctx->Texture._TexMatEnabled |= ENABLE_TEXMAT(unit);
- }
-}
-
-
-/**
- * Update texture-related derived state.
- */
-void
-_mesa_update_texture( struct gl_context *ctx, GLuint new_state )
-{
- if (new_state & _NEW_TEXTURE_MATRIX)
- update_texture_matrices( ctx );
-
- if (new_state & (_NEW_TEXTURE | _NEW_PROGRAM))
- update_texture_state( ctx );
-}
-
-
-/**********************************************************************/
-/***** Initialization *****/
-/**********************************************************************/
-
-/**
- * Allocate the proxy textures for the given context.
- *
- * \param ctx the context to allocate proxies for.
- *
- * \return GL_TRUE on success, or GL_FALSE on failure
- *
- * If run out of memory part way through the allocations, clean up and return
- * GL_FALSE.
- */
-static GLboolean
-alloc_proxy_textures( struct gl_context *ctx )
-{
- static const GLenum targets[] = {
- GL_TEXTURE_1D,
- GL_TEXTURE_2D,
- GL_TEXTURE_3D,
- GL_TEXTURE_CUBE_MAP_ARB,
- GL_TEXTURE_RECTANGLE_NV,
- GL_TEXTURE_1D_ARRAY_EXT,
- GL_TEXTURE_2D_ARRAY_EXT
- };
- GLint tgt;
-
- ASSERT(Elements(targets) == NUM_TEXTURE_TARGETS);
-
- for (tgt = 0; tgt < NUM_TEXTURE_TARGETS; tgt++) {
- if (!(ctx->Texture.ProxyTex[tgt]
- = ctx->Driver.NewTextureObject(ctx, 0, targets[tgt]))) {
- /* out of memory, free what we did allocate */
- while (--tgt >= 0) {
- ctx->Driver.DeleteTexture(ctx, ctx->Texture.ProxyTex[tgt]);
- }
- return GL_FALSE;
- }
- }
-
- assert(ctx->Texture.ProxyTex[0]->RefCount == 1); /* sanity check */
- return GL_TRUE;
-}
-
-
-/**
- * Initialize a texture unit.
- *
- * \param ctx GL context.
- * \param unit texture unit number to be initialized.
- */
-static void
-init_texture_unit( struct gl_context *ctx, GLuint unit )
-{
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
- GLuint tex;
-
- texUnit->EnvMode = GL_MODULATE;
- ASSIGN_4V( texUnit->EnvColor, 0.0, 0.0, 0.0, 0.0 );
-
- texUnit->Combine = default_combine_state;
- texUnit->_EnvMode = default_combine_state;
- texUnit->_CurrentCombine = & texUnit->_EnvMode;
- texUnit->BumpTarget = GL_TEXTURE0;
-
- texUnit->TexGenEnabled = 0x0;
- texUnit->GenS.Mode = GL_EYE_LINEAR;
- texUnit->GenT.Mode = GL_EYE_LINEAR;
- texUnit->GenR.Mode = GL_EYE_LINEAR;
- texUnit->GenQ.Mode = GL_EYE_LINEAR;
- texUnit->GenS._ModeBit = TEXGEN_EYE_LINEAR;
- texUnit->GenT._ModeBit = TEXGEN_EYE_LINEAR;
- texUnit->GenR._ModeBit = TEXGEN_EYE_LINEAR;
- texUnit->GenQ._ModeBit = TEXGEN_EYE_LINEAR;
-
- /* Yes, these plane coefficients are correct! */
- ASSIGN_4V( texUnit->GenS.ObjectPlane, 1.0, 0.0, 0.0, 0.0 );
- ASSIGN_4V( texUnit->GenT.ObjectPlane, 0.0, 1.0, 0.0, 0.0 );
- ASSIGN_4V( texUnit->GenR.ObjectPlane, 0.0, 0.0, 0.0, 0.0 );
- ASSIGN_4V( texUnit->GenQ.ObjectPlane, 0.0, 0.0, 0.0, 0.0 );
- ASSIGN_4V( texUnit->GenS.EyePlane, 1.0, 0.0, 0.0, 0.0 );
- ASSIGN_4V( texUnit->GenT.EyePlane, 0.0, 1.0, 0.0, 0.0 );
- ASSIGN_4V( texUnit->GenR.EyePlane, 0.0, 0.0, 0.0, 0.0 );
- ASSIGN_4V( texUnit->GenQ.EyePlane, 0.0, 0.0, 0.0, 0.0 );
-
- /* no mention of this in spec, but maybe id matrix expected? */
- ASSIGN_4V( texUnit->RotMatrix, 1.0, 0.0, 0.0, 1.0 );
-
- /* initialize current texture object ptrs to the shared default objects */
- for (tex = 0; tex < NUM_TEXTURE_TARGETS; tex++) {
- _mesa_reference_texobj(&texUnit->CurrentTex[tex],
- ctx->Shared->DefaultTex[tex]);
- }
-}
-
-
-/**
- * Initialize texture state for the given context.
- */
-GLboolean
-_mesa_init_texture(struct gl_context *ctx)
-{
- GLuint u;
-
- /* Texture group */
- ctx->Texture.CurrentUnit = 0; /* multitexture */
- ctx->Texture._EnabledUnits = 0x0;
- ctx->Texture.SharedPalette = GL_FALSE;
- _mesa_init_colortable(&ctx->Texture.Palette);
-
- for (u = 0; u < Elements(ctx->Texture.Unit); u++)
- init_texture_unit(ctx, u);
-
- /* After we're done initializing the context's texture state the default
- * texture objects' refcounts should be at least
- * MAX_COMBINED_TEXTURE_IMAGE_UNITS + 1.
- */
- assert(ctx->Shared->DefaultTex[TEXTURE_1D_INDEX]->RefCount
- >= MAX_COMBINED_TEXTURE_IMAGE_UNITS + 1);
-
- /* Allocate proxy textures */
- if (!alloc_proxy_textures( ctx ))
- return GL_FALSE;
-
- return GL_TRUE;
-}
-
-
-/**
- * Free dynamically-allocted texture data attached to the given context.
- */
-void
-_mesa_free_texture_data(struct gl_context *ctx)
-{
- GLuint u, tgt;
-
- /* unreference current textures */
- for (u = 0; u < Elements(ctx->Texture.Unit); u++) {
- /* The _Current texture could account for another reference */
- _mesa_reference_texobj(&ctx->Texture.Unit[u]._Current, NULL);
-
- for (tgt = 0; tgt < NUM_TEXTURE_TARGETS; tgt++) {
- _mesa_reference_texobj(&ctx->Texture.Unit[u].CurrentTex[tgt], NULL);
- }
- }
-
- /* Free proxy texture objects */
- for (tgt = 0; tgt < NUM_TEXTURE_TARGETS; tgt++)
- ctx->Driver.DeleteTexture(ctx, ctx->Texture.ProxyTex[tgt]);
-}
-
-
-/**
- * Update the default texture objects in the given context to reference those
- * specified in the shared state and release those referencing the old
- * shared state.
- */
-void
-_mesa_update_default_objects_texture(struct gl_context *ctx)
-{
- GLuint u, tex;
-
- for (u = 0; u < Elements(ctx->Texture.Unit); u++) {
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[u];
- for (tex = 0; tex < NUM_TEXTURE_TARGETS; tex++) {
- _mesa_reference_texobj(&texUnit->CurrentTex[tex],
- ctx->Shared->DefaultTex[tex]);
- }
- }
-}
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.5
+ *
+ * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file texstate.c
+ *
+ * Texture state handling.
+ */
+
+#include "glheader.h"
+#include "mfeatures.h"
+#include "colormac.h"
+#include "colortab.h"
+#include "context.h"
+#include "enums.h"
+#include "macros.h"
+#include "texobj.h"
+#include "teximage.h"
+#include "texstate.h"
+#include "mtypes.h"
+
+
+
+/**
+ * Default texture combine environment state. This is used to initialize
+ * a context's texture units and as the basis for converting "classic"
+ * texture environmnets to ARB_texture_env_combine style values.
+ */
+static const struct gl_tex_env_combine_state default_combine_state = {
+ GL_MODULATE, GL_MODULATE,
+ { GL_TEXTURE, GL_PREVIOUS, GL_CONSTANT, GL_CONSTANT },
+ { GL_TEXTURE, GL_PREVIOUS, GL_CONSTANT, GL_CONSTANT },
+ { GL_SRC_COLOR, GL_SRC_COLOR, GL_SRC_ALPHA, GL_SRC_ALPHA },
+ { GL_SRC_ALPHA, GL_SRC_ALPHA, GL_SRC_ALPHA, GL_SRC_ALPHA },
+ 0, 0,
+ 2, 2
+};
+
+
+
+/**
+ * Used by glXCopyContext to copy texture state from one context to another.
+ */
+void
+_mesa_copy_texture_state( const struct gl_context *src, struct gl_context *dst )
+{
+ GLuint u, tex;
+
+ ASSERT(src);
+ ASSERT(dst);
+
+ dst->Texture.CurrentUnit = src->Texture.CurrentUnit;
+ dst->Texture._GenFlags = src->Texture._GenFlags;
+ dst->Texture._TexGenEnabled = src->Texture._TexGenEnabled;
+ dst->Texture._TexMatEnabled = src->Texture._TexMatEnabled;
+ dst->Texture.SharedPalette = src->Texture.SharedPalette;
+
+ /* per-unit state */
+ for (u = 0; u < src->Const.MaxCombinedTextureImageUnits; u++) {
+ dst->Texture.Unit[u].Enabled = src->Texture.Unit[u].Enabled;
+ dst->Texture.Unit[u].EnvMode = src->Texture.Unit[u].EnvMode;
+ COPY_4V(dst->Texture.Unit[u].EnvColor, src->Texture.Unit[u].EnvColor);
+ dst->Texture.Unit[u].TexGenEnabled = src->Texture.Unit[u].TexGenEnabled;
+ dst->Texture.Unit[u].GenS = src->Texture.Unit[u].GenS;
+ dst->Texture.Unit[u].GenT = src->Texture.Unit[u].GenT;
+ dst->Texture.Unit[u].GenR = src->Texture.Unit[u].GenR;
+ dst->Texture.Unit[u].GenQ = src->Texture.Unit[u].GenQ;
+ dst->Texture.Unit[u].LodBias = src->Texture.Unit[u].LodBias;
+
+ /* GL_EXT_texture_env_combine */
+ dst->Texture.Unit[u].Combine = src->Texture.Unit[u].Combine;
+
+ /* GL_ATI_envmap_bumpmap - need this? */
+ dst->Texture.Unit[u].BumpTarget = src->Texture.Unit[u].BumpTarget;
+ COPY_4V(dst->Texture.Unit[u].RotMatrix, src->Texture.Unit[u].RotMatrix);
+
+ /*
+ * XXX strictly speaking, we should compare texture names/ids and
+ * bind textures in the dest context according to id. For now, only
+ * copy bindings if the contexts share the same pool of textures to
+ * avoid refcounting bugs.
+ */
+ if (dst->Shared == src->Shared) {
+ /* copy texture object bindings, not contents of texture objects */
+ _mesa_lock_context_textures(dst);
+
+ for (tex = 0; tex < NUM_TEXTURE_TARGETS; tex++) {
+ _mesa_reference_texobj(&dst->Texture.Unit[u].CurrentTex[tex],
+ src->Texture.Unit[u].CurrentTex[tex]);
+ }
+ _mesa_unlock_context_textures(dst);
+ }
+ }
+}
+
+
+/*
+ * For debugging
+ */
+void
+_mesa_print_texunit_state( struct gl_context *ctx, GLuint unit )
+{
+ const struct gl_texture_unit *texUnit = ctx->Texture.Unit + unit;
+ printf("Texture Unit %d\n", unit);
+ printf(" GL_TEXTURE_ENV_MODE = %s\n", _mesa_lookup_enum_by_nr(texUnit->EnvMode));
+ printf(" GL_COMBINE_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.ModeRGB));
+ printf(" GL_COMBINE_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.ModeA));
+ printf(" GL_SOURCE0_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceRGB[0]));
+ printf(" GL_SOURCE1_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceRGB[1]));
+ printf(" GL_SOURCE2_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceRGB[2]));
+ printf(" GL_SOURCE0_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceA[0]));
+ printf(" GL_SOURCE1_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceA[1]));
+ printf(" GL_SOURCE2_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.SourceA[2]));
+ printf(" GL_OPERAND0_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandRGB[0]));
+ printf(" GL_OPERAND1_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandRGB[1]));
+ printf(" GL_OPERAND2_RGB = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandRGB[2]));
+ printf(" GL_OPERAND0_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandA[0]));
+ printf(" GL_OPERAND1_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandA[1]));
+ printf(" GL_OPERAND2_ALPHA = %s\n", _mesa_lookup_enum_by_nr(texUnit->Combine.OperandA[2]));
+ printf(" GL_RGB_SCALE = %d\n", 1 << texUnit->Combine.ScaleShiftRGB);
+ printf(" GL_ALPHA_SCALE = %d\n", 1 << texUnit->Combine.ScaleShiftA);
+ printf(" GL_TEXTURE_ENV_COLOR = (%f, %f, %f, %f)\n", texUnit->EnvColor[0], texUnit->EnvColor[1], texUnit->EnvColor[2], texUnit->EnvColor[3]);
+}
+
+
+
+/**********************************************************************/
+/* Texture Environment */
+/**********************************************************************/
+
+/**
+ * Convert "classic" texture environment to ARB_texture_env_combine style
+ * environments.
+ *
+ * \param state texture_env_combine state vector to be filled-in.
+ * \param mode Classic texture environment mode (i.e., \c GL_REPLACE,
+ * \c GL_BLEND, \c GL_DECAL, etc.).
+ * \param texBaseFormat Base format of the texture associated with the
+ * texture unit.
+ */
+static void
+calculate_derived_texenv( struct gl_tex_env_combine_state *state,
+ GLenum mode, GLenum texBaseFormat )
+{
+ GLenum mode_rgb;
+ GLenum mode_a;
+
+ *state = default_combine_state;
+
+ switch (texBaseFormat) {
+ case GL_ALPHA:
+ state->SourceRGB[0] = GL_PREVIOUS;
+ break;
+
+ case GL_LUMINANCE_ALPHA:
+ case GL_INTENSITY:
+ case GL_RGBA:
+ break;
+
+ case GL_LUMINANCE:
+ case GL_RED:
+ case GL_RG:
+ case GL_RGB:
+ case GL_YCBCR_MESA:
+ case GL_DUDV_ATI:
+ state->SourceA[0] = GL_PREVIOUS;
+ break;
+
+ default:
+ _mesa_problem(NULL,
+ "Invalid texBaseFormat 0x%x in calculate_derived_texenv",
+ texBaseFormat);
+ return;
+ }
+
+ if (mode == GL_REPLACE_EXT)
+ mode = GL_REPLACE;
+
+ switch (mode) {
+ case GL_REPLACE:
+ case GL_MODULATE:
+ mode_rgb = (texBaseFormat == GL_ALPHA) ? GL_REPLACE : mode;
+ mode_a = mode;
+ break;
+
+ case GL_DECAL:
+ mode_rgb = GL_INTERPOLATE;
+ mode_a = GL_REPLACE;
+
+ state->SourceA[0] = GL_PREVIOUS;
+
+ /* Having alpha / luminance / intensity textures replace using the
+ * incoming fragment color matches the definition in NV_texture_shader.
+ * The 1.5 spec simply marks these as "undefined".
+ */
+ switch (texBaseFormat) {
+ case GL_ALPHA:
+ case GL_LUMINANCE:
+ case GL_LUMINANCE_ALPHA:
+ case GL_INTENSITY:
+ state->SourceRGB[0] = GL_PREVIOUS;
+ break;
+ case GL_RED:
+ case GL_RG:
+ case GL_RGB:
+ case GL_YCBCR_MESA:
+ case GL_DUDV_ATI:
+ mode_rgb = GL_REPLACE;
+ break;
+ case GL_RGBA:
+ state->SourceRGB[2] = GL_TEXTURE;
+ break;
+ }
+ break;
+
+ case GL_BLEND:
+ mode_rgb = GL_INTERPOLATE;
+ mode_a = GL_MODULATE;
+
+ switch (texBaseFormat) {
+ case GL_ALPHA:
+ mode_rgb = GL_REPLACE;
+ break;
+ case GL_INTENSITY:
+ mode_a = GL_INTERPOLATE;
+ state->SourceA[0] = GL_CONSTANT;
+ state->OperandA[2] = GL_SRC_ALPHA;
+ /* FALLTHROUGH */
+ case GL_LUMINANCE:
+ case GL_RED:
+ case GL_RG:
+ case GL_RGB:
+ case GL_LUMINANCE_ALPHA:
+ case GL_RGBA:
+ case GL_YCBCR_MESA:
+ case GL_DUDV_ATI:
+ state->SourceRGB[2] = GL_TEXTURE;
+ state->SourceA[2] = GL_TEXTURE;
+ state->SourceRGB[0] = GL_CONSTANT;
+ state->OperandRGB[2] = GL_SRC_COLOR;
+ break;
+ }
+ break;
+
+ case GL_ADD:
+ mode_rgb = (texBaseFormat == GL_ALPHA) ? GL_REPLACE : GL_ADD;
+ mode_a = (texBaseFormat == GL_INTENSITY) ? GL_ADD : GL_MODULATE;
+ break;
+
+ default:
+ _mesa_problem(NULL,
+ "Invalid texture env mode 0x%x in calculate_derived_texenv",
+ mode);
+ return;
+ }
+
+ state->ModeRGB = (state->SourceRGB[0] != GL_PREVIOUS)
+ ? mode_rgb : GL_REPLACE;
+ state->ModeA = (state->SourceA[0] != GL_PREVIOUS)
+ ? mode_a : GL_REPLACE;
+}
+
+
+
+
+/* GL_ARB_multitexture */
+void GLAPIENTRY
+_mesa_ActiveTextureARB(GLenum texture)
+{
+ const GLuint texUnit = texture - GL_TEXTURE0;
+ GLuint k;
+ GET_CURRENT_CONTEXT(ctx);
+
+ /* See OpenGL spec for glActiveTexture: */
+ k = MAX2(ctx->Const.MaxCombinedTextureImageUnits,
+ ctx->Const.MaxTextureCoordUnits);
+
+ ASSERT(k <= Elements(ctx->Texture.Unit));
+
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
+ _mesa_debug(ctx, "glActiveTexture %s\n",
+ _mesa_lookup_enum_by_nr(texture));
+
+ if (texUnit >= k) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glActiveTexture(texture=%s)",
+ _mesa_lookup_enum_by_nr(texture));
+ return;
+ }
+
+ if (ctx->Texture.CurrentUnit == texUnit)
+ return;
+
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+
+ ctx->Texture.CurrentUnit = texUnit;
+ if (ctx->Transform.MatrixMode == GL_TEXTURE) {
+ /* update current stack pointer */
+ ctx->CurrentStack = &ctx->TextureMatrixStack[texUnit];
+ }
+}
+
+
+/* GL_ARB_multitexture */
+void GLAPIENTRY
+_mesa_ClientActiveTextureARB(GLenum texture)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ GLuint texUnit = texture - GL_TEXTURE0;
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ if (MESA_VERBOSE & (VERBOSE_API | VERBOSE_TEXTURE))
+ _mesa_debug(ctx, "glClientActiveTexture %s\n",
+ _mesa_lookup_enum_by_nr(texture));
+
+ if (texUnit >= ctx->Const.MaxTextureCoordUnits) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glClientActiveTexture(texture)");
+ return;
+ }
+
+ if (ctx->Array.ActiveTexture == texUnit)
+ return;
+
+ FLUSH_VERTICES(ctx, _NEW_ARRAY);
+ ctx->Array.ActiveTexture = texUnit;
+}
+
+
+
+/**********************************************************************/
+/***** State management *****/
+/**********************************************************************/
+
+
+/**
+ * \note This routine refers to derived texture attribute values to
+ * compute the ENABLE_TEXMAT flags, but is only called on
+ * _NEW_TEXTURE_MATRIX. On changes to _NEW_TEXTURE, the ENABLE_TEXMAT
+ * flags are updated by _mesa_update_textures(), below.
+ *
+ * \param ctx GL context.
+ */
+static void
+update_texture_matrices( struct gl_context *ctx )
+{
+ GLuint u;
+
+ ctx->Texture._TexMatEnabled = 0x0;
+
+ for (u = 0; u < ctx->Const.MaxTextureCoordUnits; u++) {
+ ASSERT(u < Elements(ctx->TextureMatrixStack));
+ if (_math_matrix_is_dirty(ctx->TextureMatrixStack[u].Top)) {
+ _math_matrix_analyse( ctx->TextureMatrixStack[u].Top );
+
+ if (ctx->Texture.Unit[u]._ReallyEnabled &&
+ ctx->TextureMatrixStack[u].Top->type != MATRIX_IDENTITY)
+ ctx->Texture._TexMatEnabled |= ENABLE_TEXMAT(u);
+ }
+ }
+}
+
+
+/**
+ * Examine texture unit's combine/env state to update derived state.
+ */
+static void
+update_tex_combine(struct gl_context *ctx, struct gl_texture_unit *texUnit)
+{
+ struct gl_tex_env_combine_state *combine;
+
+ /* Set the texUnit->_CurrentCombine field to point to the user's combiner
+ * state, or the combiner state which is derived from traditional texenv
+ * mode.
+ */
+ if (texUnit->EnvMode == GL_COMBINE ||
+ texUnit->EnvMode == GL_COMBINE4_NV) {
+ texUnit->_CurrentCombine = & texUnit->Combine;
+ }
+ else {
+ const struct gl_texture_object *texObj = texUnit->_Current;
+ GLenum format = texObj->Image[0][texObj->BaseLevel]->_BaseFormat;
+ if (format == GL_COLOR_INDEX) {
+ format = GL_RGBA; /* a bit of a hack */
+ }
+ else if (format == GL_DEPTH_COMPONENT ||
+ format == GL_DEPTH_STENCIL_EXT) {
+ format = texObj->DepthMode;
+ }
+ calculate_derived_texenv(&texUnit->_EnvMode, texUnit->EnvMode, format);
+ texUnit->_CurrentCombine = & texUnit->_EnvMode;
+ }
+
+ combine = texUnit->_CurrentCombine;
+
+ /* Determine number of source RGB terms in the combiner function */
+ switch (combine->ModeRGB) {
+ case GL_REPLACE:
+ combine->_NumArgsRGB = 1;
+ break;
+ case GL_ADD:
+ case GL_ADD_SIGNED:
+ if (texUnit->EnvMode == GL_COMBINE4_NV)
+ combine->_NumArgsRGB = 4;
+ else
+ combine->_NumArgsRGB = 2;
+ break;
+ case GL_MODULATE:
+ case GL_SUBTRACT:
+ case GL_DOT3_RGB:
+ case GL_DOT3_RGBA:
+ case GL_DOT3_RGB_EXT:
+ case GL_DOT3_RGBA_EXT:
+ combine->_NumArgsRGB = 2;
+ break;
+ case GL_INTERPOLATE:
+ case GL_MODULATE_ADD_ATI:
+ case GL_MODULATE_SIGNED_ADD_ATI:
+ case GL_MODULATE_SUBTRACT_ATI:
+ combine->_NumArgsRGB = 3;
+ break;
+ case GL_BUMP_ENVMAP_ATI:
+ /* no real arguments for this case */
+ combine->_NumArgsRGB = 0;
+ break;
+ default:
+ combine->_NumArgsRGB = 0;
+ _mesa_problem(ctx, "invalid RGB combine mode in update_texture_state");
+ return;
+ }
+
+ /* Determine number of source Alpha terms in the combiner function */
+ switch (combine->ModeA) {
+ case GL_REPLACE:
+ combine->_NumArgsA = 1;
+ break;
+ case GL_ADD:
+ case GL_ADD_SIGNED:
+ if (texUnit->EnvMode == GL_COMBINE4_NV)
+ combine->_NumArgsA = 4;
+ else
+ combine->_NumArgsA = 2;
+ break;
+ case GL_MODULATE:
+ case GL_SUBTRACT:
+ combine->_NumArgsA = 2;
+ break;
+ case GL_INTERPOLATE:
+ case GL_MODULATE_ADD_ATI:
+ case GL_MODULATE_SIGNED_ADD_ATI:
+ case GL_MODULATE_SUBTRACT_ATI:
+ combine->_NumArgsA = 3;
+ break;
+ default:
+ combine->_NumArgsA = 0;
+ _mesa_problem(ctx, "invalid Alpha combine mode in update_texture_state");
+ break;
+ }
+}
+
+
+/**
+ * \note This routine refers to derived texture matrix values to
+ * compute the ENABLE_TEXMAT flags, but is only called on
+ * _NEW_TEXTURE. On changes to _NEW_TEXTURE_MATRIX, the ENABLE_TEXMAT
+ * flags are updated by _mesa_update_texture_matrices, above.
+ *
+ * \param ctx GL context.
+ */
+static void
+update_texture_state( struct gl_context *ctx )
+{
+ GLuint unit;
+ struct gl_fragment_program *fprog = NULL;
+ struct gl_vertex_program *vprog = NULL;
+ GLbitfield enabledFragUnits = 0x0;
+
+ if (ctx->Shader.CurrentVertexProgram &&
+ ctx->Shader.CurrentVertexProgram->LinkStatus) {
+ vprog = ctx->Shader.CurrentVertexProgram->VertexProgram;
+ } else if (ctx->VertexProgram._Enabled) {
+ /* XXX enable this if/when non-shader vertex programs get
+ * texture fetches:
+ vprog = ctx->VertexProgram.Current;
+ */
+ }
+
+ if (ctx->Shader.CurrentFragmentProgram &&
+ ctx->Shader.CurrentFragmentProgram->LinkStatus) {
+ fprog = ctx->Shader.CurrentFragmentProgram->FragmentProgram;
+ }
+ else if (ctx->FragmentProgram._Enabled) {
+ fprog = ctx->FragmentProgram.Current;
+ }
+
+ /* FINISHME: Geometry shader texture accesses should also be considered
+ * FINISHME: here.
+ */
+
+ /* TODO: only set this if there are actual changes */
+ ctx->NewState |= _NEW_TEXTURE;
+
+ ctx->Texture._EnabledUnits = 0x0;
+ ctx->Texture._GenFlags = 0x0;
+ ctx->Texture._TexMatEnabled = 0x0;
+ ctx->Texture._TexGenEnabled = 0x0;
+
+ /*
+ * Update texture unit state.
+ */
+ for (unit = 0; unit < ctx->Const.MaxCombinedTextureImageUnits; unit++) {
+ struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
+ GLbitfield enabledVertTargets = 0x0;
+ GLbitfield enabledFragTargets = 0x0;
+ GLbitfield enabledTargets = 0x0;
+ GLuint texIndex;
+
+ /* Get the bitmask of texture target enables.
+ * enableBits will be a mask of the TEXTURE_*_BIT flags indicating
+ * which texture targets are enabled (fixed function) or referenced
+ * by a fragment program/program. When multiple flags are set, we'll
+ * settle on the one with highest priority (see below).
+ */
+ if (vprog) {
+ enabledVertTargets |= vprog->Base.TexturesUsed[unit];
+ }
+
+ if (fprog) {
+ enabledFragTargets |= fprog->Base.TexturesUsed[unit];
+ }
+ else {
+ /* fixed-function fragment program */
+ enabledFragTargets |= texUnit->Enabled;
+ }
+
+ enabledTargets = enabledVertTargets | enabledFragTargets;
+
+ texUnit->_ReallyEnabled = 0x0;
+
+ if (enabledTargets == 0x0) {
+ /* neither vertex nor fragment processing uses this unit */
+ continue;
+ }
+
+ /* Look for the highest priority texture target that's enabled (or used
+ * by the vert/frag shaders) and "complete". That's the one we'll use
+ * for texturing. If we're using vert/frag program we're guaranteed
+ * that bitcount(enabledBits) <= 1.
+ * Note that the TEXTURE_x_INDEX values are in high to low priority.
+ */
+ for (texIndex = 0; texIndex < NUM_TEXTURE_TARGETS; texIndex++) {
+ if (enabledTargets & (1 << texIndex)) {
+ struct gl_texture_object *texObj = texUnit->CurrentTex[texIndex];
+ if (!texObj->_Complete) {
+ _mesa_test_texobj_completeness(ctx, texObj);
+ }
+ if (texObj->_Complete) {
+ texUnit->_ReallyEnabled = 1 << texIndex;
+ _mesa_reference_texobj(&texUnit->_Current, texObj);
+ break;
+ }
+ }
+ }
+
+ if (!texUnit->_ReallyEnabled) {
+ if (fprog) {
+ /* If we get here it means the shader is expecting a texture
+ * object, but there isn't one (or it's incomplete). Use the
+ * fallback texture.
+ */
+ struct gl_texture_object *texObj = _mesa_get_fallback_texture(ctx);
+ texUnit->_ReallyEnabled = 1 << TEXTURE_2D_INDEX;
+ _mesa_reference_texobj(&texUnit->_Current, texObj);
+ }
+ else {
+ /* fixed-function: texture unit is really disabled */
+ continue;
+ }
+ }
+
+ /* if we get here, we know this texture unit is enabled */
+
+ ctx->Texture._EnabledUnits |= (1 << unit);
+
+ if (enabledFragTargets)
+ enabledFragUnits |= (1 << unit);
+
+ update_tex_combine(ctx, texUnit);
+ }
+
+
+ /* Determine which texture coordinate sets are actually needed */
+ if (fprog) {
+ const GLuint coordMask = (1 << MAX_TEXTURE_COORD_UNITS) - 1;
+ ctx->Texture._EnabledCoordUnits
+ = (fprog->Base.InputsRead >> FRAG_ATTRIB_TEX0) & coordMask;
+ }
+ else {
+ ctx->Texture._EnabledCoordUnits = enabledFragUnits;
+ }
+
+ /* Setup texgen for those texture coordinate sets that are in use */
+ for (unit = 0; unit < ctx->Const.MaxTextureCoordUnits; unit++) {
+ struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
+
+ texUnit->_GenFlags = 0x0;
+
+ if (!(ctx->Texture._EnabledCoordUnits & (1 << unit)))
+ continue;
+
+ if (texUnit->TexGenEnabled) {
+ if (texUnit->TexGenEnabled & S_BIT) {
+ texUnit->_GenFlags |= texUnit->GenS._ModeBit;
+ }
+ if (texUnit->TexGenEnabled & T_BIT) {
+ texUnit->_GenFlags |= texUnit->GenT._ModeBit;
+ }
+ if (texUnit->TexGenEnabled & R_BIT) {
+ texUnit->_GenFlags |= texUnit->GenR._ModeBit;
+ }
+ if (texUnit->TexGenEnabled & Q_BIT) {
+ texUnit->_GenFlags |= texUnit->GenQ._ModeBit;
+ }
+
+ ctx->Texture._TexGenEnabled |= ENABLE_TEXGEN(unit);
+ ctx->Texture._GenFlags |= texUnit->_GenFlags;
+ }
+
+ ASSERT(unit < Elements(ctx->TextureMatrixStack));
+ if (ctx->TextureMatrixStack[unit].Top->type != MATRIX_IDENTITY)
+ ctx->Texture._TexMatEnabled |= ENABLE_TEXMAT(unit);
+ }
+}
+
+
+/**
+ * Update texture-related derived state.
+ */
+void
+_mesa_update_texture( struct gl_context *ctx, GLuint new_state )
+{
+ if (new_state & _NEW_TEXTURE_MATRIX)
+ update_texture_matrices( ctx );
+
+ if (new_state & (_NEW_TEXTURE | _NEW_PROGRAM))
+ update_texture_state( ctx );
+}
+
+
+/**********************************************************************/
+/***** Initialization *****/
+/**********************************************************************/
+
+/**
+ * Allocate the proxy textures for the given context.
+ *
+ * \param ctx the context to allocate proxies for.
+ *
+ * \return GL_TRUE on success, or GL_FALSE on failure
+ *
+ * If run out of memory part way through the allocations, clean up and return
+ * GL_FALSE.
+ */
+static GLboolean
+alloc_proxy_textures( struct gl_context *ctx )
+{
+ static const GLenum targets[] = {
+ GL_TEXTURE_1D,
+ GL_TEXTURE_2D,
+ GL_TEXTURE_3D,
+ GL_TEXTURE_CUBE_MAP_ARB,
+ GL_TEXTURE_RECTANGLE_NV,
+ GL_TEXTURE_1D_ARRAY_EXT,
+ GL_TEXTURE_2D_ARRAY_EXT
+ };
+ GLint tgt;
+
+ ASSERT(Elements(targets) == NUM_TEXTURE_TARGETS);
+
+ for (tgt = 0; tgt < NUM_TEXTURE_TARGETS; tgt++) {
+ if (!(ctx->Texture.ProxyTex[tgt]
+ = ctx->Driver.NewTextureObject(ctx, 0, targets[tgt]))) {
+ /* out of memory, free what we did allocate */
+ while (--tgt >= 0) {
+ ctx->Driver.DeleteTexture(ctx, ctx->Texture.ProxyTex[tgt]);
+ }
+ return GL_FALSE;
+ }
+ }
+
+ assert(ctx->Texture.ProxyTex[0]->RefCount == 1); /* sanity check */
+ return GL_TRUE;
+}
+
+
+/**
+ * Initialize a texture unit.
+ *
+ * \param ctx GL context.
+ * \param unit texture unit number to be initialized.
+ */
+static void
+init_texture_unit( struct gl_context *ctx, GLuint unit )
+{
+ struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
+ GLuint tex;
+
+ texUnit->EnvMode = GL_MODULATE;
+ ASSIGN_4V( texUnit->EnvColor, 0.0, 0.0, 0.0, 0.0 );
+
+ texUnit->Combine = default_combine_state;
+ texUnit->_EnvMode = default_combine_state;
+ texUnit->_CurrentCombine = & texUnit->_EnvMode;
+ texUnit->BumpTarget = GL_TEXTURE0;
+
+ texUnit->TexGenEnabled = 0x0;
+ texUnit->GenS.Mode = GL_EYE_LINEAR;
+ texUnit->GenT.Mode = GL_EYE_LINEAR;
+ texUnit->GenR.Mode = GL_EYE_LINEAR;
+ texUnit->GenQ.Mode = GL_EYE_LINEAR;
+ texUnit->GenS._ModeBit = TEXGEN_EYE_LINEAR;
+ texUnit->GenT._ModeBit = TEXGEN_EYE_LINEAR;
+ texUnit->GenR._ModeBit = TEXGEN_EYE_LINEAR;
+ texUnit->GenQ._ModeBit = TEXGEN_EYE_LINEAR;
+
+ /* Yes, these plane coefficients are correct! */
+ ASSIGN_4V( texUnit->GenS.ObjectPlane, 1.0, 0.0, 0.0, 0.0 );
+ ASSIGN_4V( texUnit->GenT.ObjectPlane, 0.0, 1.0, 0.0, 0.0 );
+ ASSIGN_4V( texUnit->GenR.ObjectPlane, 0.0, 0.0, 0.0, 0.0 );
+ ASSIGN_4V( texUnit->GenQ.ObjectPlane, 0.0, 0.0, 0.0, 0.0 );
+ ASSIGN_4V( texUnit->GenS.EyePlane, 1.0, 0.0, 0.0, 0.0 );
+ ASSIGN_4V( texUnit->GenT.EyePlane, 0.0, 1.0, 0.0, 0.0 );
+ ASSIGN_4V( texUnit->GenR.EyePlane, 0.0, 0.0, 0.0, 0.0 );
+ ASSIGN_4V( texUnit->GenQ.EyePlane, 0.0, 0.0, 0.0, 0.0 );
+
+ /* no mention of this in spec, but maybe id matrix expected? */
+ ASSIGN_4V( texUnit->RotMatrix, 1.0, 0.0, 0.0, 1.0 );
+
+ /* initialize current texture object ptrs to the shared default objects */
+ for (tex = 0; tex < NUM_TEXTURE_TARGETS; tex++) {
+ _mesa_reference_texobj(&texUnit->CurrentTex[tex],
+ ctx->Shared->DefaultTex[tex]);
+ }
+}
+
+
+/**
+ * Initialize texture state for the given context.
+ */
+GLboolean
+_mesa_init_texture(struct gl_context *ctx)
+{
+ GLuint u;
+
+ /* Texture group */
+ ctx->Texture.CurrentUnit = 0; /* multitexture */
+ ctx->Texture._EnabledUnits = 0x0;
+ ctx->Texture.SharedPalette = GL_FALSE;
+ _mesa_init_colortable(&ctx->Texture.Palette);
+
+ for (u = 0; u < Elements(ctx->Texture.Unit); u++)
+ init_texture_unit(ctx, u);
+
+ /* After we're done initializing the context's texture state the default
+ * texture objects' refcounts should be at least
+ * MAX_COMBINED_TEXTURE_IMAGE_UNITS + 1.
+ */
+ assert(ctx->Shared->DefaultTex[TEXTURE_1D_INDEX]->RefCount
+ >= MAX_COMBINED_TEXTURE_IMAGE_UNITS + 1);
+
+ /* Allocate proxy textures */
+ if (!alloc_proxy_textures( ctx ))
+ return GL_FALSE;
+
+ return GL_TRUE;
+}
+
+
+/**
+ * Free dynamically-allocted texture data attached to the given context.
+ */
+void
+_mesa_free_texture_data(struct gl_context *ctx)
+{
+ GLuint u, tgt;
+
+ /* unreference current textures */
+ for (u = 0; u < Elements(ctx->Texture.Unit); u++) {
+ /* The _Current texture could account for another reference */
+ _mesa_reference_texobj(&ctx->Texture.Unit[u]._Current, NULL);
+
+ for (tgt = 0; tgt < NUM_TEXTURE_TARGETS; tgt++) {
+ _mesa_reference_texobj(&ctx->Texture.Unit[u].CurrentTex[tgt], NULL);
+ }
+ }
+
+ /* Free proxy texture objects */
+ for (tgt = 0; tgt < NUM_TEXTURE_TARGETS; tgt++)
+ ctx->Driver.DeleteTexture(ctx, ctx->Texture.ProxyTex[tgt]);
+}
+
+
+/**
+ * Update the default texture objects in the given context to reference those
+ * specified in the shared state and release those referencing the old
+ * shared state.
+ */
+void
+_mesa_update_default_objects_texture(struct gl_context *ctx)
+{
+ GLuint u, tex;
+
+ for (u = 0; u < Elements(ctx->Texture.Unit); u++) {
+ struct gl_texture_unit *texUnit = &ctx->Texture.Unit[u];
+ for (tex = 0; tex < NUM_TEXTURE_TARGETS; tex++) {
+ _mesa_reference_texobj(&texUnit->CurrentTex[tex],
+ ctx->Shared->DefaultTex[tex]);
+ }
+ }
+}
diff --git a/mesalib/src/mesa/main/texstore.h b/mesalib/src/mesa/main/texstore.h
index d56318709..1d0ce7d4a 100644
--- a/mesalib/src/mesa/main/texstore.h
+++ b/mesalib/src/mesa/main/texstore.h
@@ -1,209 +1,209 @@
-/*
- * Mesa 3-D graphics library
- * Version: 6.5.1
- *
- * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
- * Copyright (c) 2008 VMware, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-/**
- * \file texstore.h
- * Texture image storage routines.
- *
- * \author Brian Paul
- */
-
-
-#ifndef TEXSTORE_H
-#define TEXSTORE_H
-
-
-#include "mtypes.h"
-#include "formats.h"
-
-
-/**
- * This macro defines the (many) parameters to the texstore functions.
- * \param dims either 1 or 2 or 3
- * \param baseInternalFormat user-specified base internal format
- * \param dstFormat destination Mesa texture format
- * \param dstAddr destination image address
- * \param dstX/Y/Zoffset destination x/y/z offset (ala TexSubImage), in texels
- * \param dstRowStride destination image row stride, in bytes
- * \param dstImageOffsets offset of each 2D slice within 3D texture, in texels
- * \param srcWidth/Height/Depth source image size, in pixels
- * \param srcFormat incoming image format
- * \param srcType incoming image data type
- * \param srcAddr source image address
- * \param srcPacking source image packing parameters
- */
-#define TEXSTORE_PARAMS \
- struct gl_context *ctx, GLuint dims, \
- GLenum baseInternalFormat, \
- gl_format dstFormat, \
- GLvoid *dstAddr, \
- GLint dstXoffset, GLint dstYoffset, GLint dstZoffset, \
- GLint dstRowStride, const GLuint *dstImageOffsets, \
- GLint srcWidth, GLint srcHeight, GLint srcDepth, \
- GLenum srcFormat, GLenum srcType, \
- const GLvoid *srcAddr, \
- const struct gl_pixelstore_attrib *srcPacking
-
-
-extern GLboolean
-_mesa_texstore(TEXSTORE_PARAMS);
-
-
-extern GLchan *
-_mesa_make_temp_chan_image(struct gl_context *ctx, GLuint dims,
- GLenum logicalBaseFormat,
- GLenum textureBaseFormat,
- GLint srcWidth, GLint srcHeight, GLint srcDepth,
- GLenum srcFormat, GLenum srcType,
- const GLvoid *srcAddr,
- const struct gl_pixelstore_attrib *srcPacking);
-
-GLfloat *
-_mesa_make_temp_float_image(struct gl_context *ctx, GLuint dims,
- GLenum logicalBaseFormat,
- GLenum textureBaseFormat,
- GLint srcWidth, GLint srcHeight, GLint srcDepth,
- GLenum srcFormat, GLenum srcType,
- const GLvoid *srcAddr,
- const struct gl_pixelstore_attrib *srcPacking,
- GLbitfield transferOps);
-
-extern void
-_mesa_store_teximage1d(struct gl_context *ctx, GLenum target, GLint level,
- GLint internalFormat,
- GLint width, GLint border,
- GLenum format, GLenum type, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage);
-
-
-extern void
-_mesa_store_teximage2d(struct gl_context *ctx, GLenum target, GLint level,
- GLint internalFormat,
- GLint width, GLint height, GLint border,
- GLenum format, GLenum type, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage);
-
-
-extern void
-_mesa_store_teximage3d(struct gl_context *ctx, GLenum target, GLint level,
- GLint internalFormat,
- GLint width, GLint height, GLint depth, GLint border,
- GLenum format, GLenum type, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage);
-
-
-extern void
-_mesa_store_texsubimage1d(struct gl_context *ctx, GLenum target, GLint level,
- GLint xoffset, GLint width,
- GLenum format, GLenum type, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage);
-
-
-extern void
-_mesa_store_texsubimage2d(struct gl_context *ctx, GLenum target, GLint level,
- GLint xoffset, GLint yoffset,
- GLint width, GLint height,
- GLenum format, GLenum type, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage);
-
-
-extern void
-_mesa_store_texsubimage3d(struct gl_context *ctx, GLenum target, GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLint width, GLint height, GLint depth,
- GLenum format, GLenum type, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage);
-
-
-extern void
-_mesa_store_compressed_teximage1d(struct gl_context *ctx, GLenum target, GLint level,
- GLint internalFormat,
- GLint width, GLint border,
- GLsizei imageSize, const GLvoid *data,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage);
-
-extern void
-_mesa_store_compressed_teximage2d(struct gl_context *ctx, GLenum target, GLint level,
- GLint internalFormat,
- GLint width, GLint height, GLint border,
- GLsizei imageSize, const GLvoid *data,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage);
-
-extern void
-_mesa_store_compressed_teximage3d(struct gl_context *ctx, GLenum target, GLint level,
- GLint internalFormat,
- GLint width, GLint height, GLint depth,
- GLint border,
- GLsizei imageSize, const GLvoid *data,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage);
-
-
-extern void
-_mesa_store_compressed_texsubimage1d(struct gl_context *ctx, GLenum target,
- GLint level,
- GLint xoffset, GLsizei width,
- GLenum format,
- GLsizei imageSize, const GLvoid *data,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage);
-
-extern void
-_mesa_store_compressed_texsubimage2d(struct gl_context *ctx, GLenum target,
- GLint level,
- GLint xoffset, GLint yoffset,
- GLsizei width, GLsizei height,
- GLenum format,
- GLsizei imageSize, const GLvoid *data,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage);
-
-extern void
-_mesa_store_compressed_texsubimage3d(struct gl_context *ctx, GLenum target,
- GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLsizei width, GLsizei height, GLsizei depth,
- GLenum format,
- GLsizei imageSize, const GLvoid *data,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage);
-
-
-#endif
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5.1
+ *
+ * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
+ * Copyright (c) 2008 VMware, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/**
+ * \file texstore.h
+ * Texture image storage routines.
+ *
+ * \author Brian Paul
+ */
+
+
+#ifndef TEXSTORE_H
+#define TEXSTORE_H
+
+
+#include "mtypes.h"
+#include "formats.h"
+
+
+/**
+ * This macro defines the (many) parameters to the texstore functions.
+ * \param dims either 1 or 2 or 3
+ * \param baseInternalFormat user-specified base internal format
+ * \param dstFormat destination Mesa texture format
+ * \param dstAddr destination image address
+ * \param dstX/Y/Zoffset destination x/y/z offset (ala TexSubImage), in texels
+ * \param dstRowStride destination image row stride, in bytes
+ * \param dstImageOffsets offset of each 2D slice within 3D texture, in texels
+ * \param srcWidth/Height/Depth source image size, in pixels
+ * \param srcFormat incoming image format
+ * \param srcType incoming image data type
+ * \param srcAddr source image address
+ * \param srcPacking source image packing parameters
+ */
+#define TEXSTORE_PARAMS \
+ struct gl_context *ctx, GLuint dims, \
+ GLenum baseInternalFormat, \
+ gl_format dstFormat, \
+ GLvoid *dstAddr, \
+ GLint dstXoffset, GLint dstYoffset, GLint dstZoffset, \
+ GLint dstRowStride, const GLuint *dstImageOffsets, \
+ GLint srcWidth, GLint srcHeight, GLint srcDepth, \
+ GLenum srcFormat, GLenum srcType, \
+ const GLvoid *srcAddr, \
+ const struct gl_pixelstore_attrib *srcPacking
+
+
+extern GLboolean
+_mesa_texstore(TEXSTORE_PARAMS);
+
+
+extern GLchan *
+_mesa_make_temp_chan_image(struct gl_context *ctx, GLuint dims,
+ GLenum logicalBaseFormat,
+ GLenum textureBaseFormat,
+ GLint srcWidth, GLint srcHeight, GLint srcDepth,
+ GLenum srcFormat, GLenum srcType,
+ const GLvoid *srcAddr,
+ const struct gl_pixelstore_attrib *srcPacking);
+
+GLfloat *
+_mesa_make_temp_float_image(struct gl_context *ctx, GLuint dims,
+ GLenum logicalBaseFormat,
+ GLenum textureBaseFormat,
+ GLint srcWidth, GLint srcHeight, GLint srcDepth,
+ GLenum srcFormat, GLenum srcType,
+ const GLvoid *srcAddr,
+ const struct gl_pixelstore_attrib *srcPacking,
+ GLbitfield transferOps);
+
+extern void
+_mesa_store_teximage1d(struct gl_context *ctx, GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint border,
+ GLenum format, GLenum type, const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage);
+
+
+extern void
+_mesa_store_teximage2d(struct gl_context *ctx, GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint height, GLint border,
+ GLenum format, GLenum type, const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage);
+
+
+extern void
+_mesa_store_teximage3d(struct gl_context *ctx, GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint height, GLint depth, GLint border,
+ GLenum format, GLenum type, const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage);
+
+
+extern void
+_mesa_store_texsubimage1d(struct gl_context *ctx, GLenum target, GLint level,
+ GLint xoffset, GLint width,
+ GLenum format, GLenum type, const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage);
+
+
+extern void
+_mesa_store_texsubimage2d(struct gl_context *ctx, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset,
+ GLint width, GLint height,
+ GLenum format, GLenum type, const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage);
+
+
+extern void
+_mesa_store_texsubimage3d(struct gl_context *ctx, GLenum target, GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLint width, GLint height, GLint depth,
+ GLenum format, GLenum type, const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage);
+
+
+extern void
+_mesa_store_compressed_teximage1d(struct gl_context *ctx, GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint border,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage);
+
+extern void
+_mesa_store_compressed_teximage2d(struct gl_context *ctx, GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint height, GLint border,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage);
+
+extern void
+_mesa_store_compressed_teximage3d(struct gl_context *ctx, GLenum target, GLint level,
+ GLint internalFormat,
+ GLint width, GLint height, GLint depth,
+ GLint border,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage);
+
+
+extern void
+_mesa_store_compressed_texsubimage1d(struct gl_context *ctx, GLenum target,
+ GLint level,
+ GLint xoffset, GLsizei width,
+ GLenum format,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage);
+
+extern void
+_mesa_store_compressed_texsubimage2d(struct gl_context *ctx, GLenum target,
+ GLint level,
+ GLint xoffset, GLint yoffset,
+ GLsizei width, GLsizei height,
+ GLenum format,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage);
+
+extern void
+_mesa_store_compressed_texsubimage3d(struct gl_context *ctx, GLenum target,
+ GLint level,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLsizei width, GLsizei height, GLsizei depth,
+ GLenum format,
+ GLsizei imageSize, const GLvoid *data,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage);
+
+
+#endif