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Diffstat (limited to 'mesalib/src/mesa/main/enable.c')
-rw-r--r--mesalib/src/mesa/main/enable.c2853
1 files changed, 1428 insertions, 1425 deletions
diff --git a/mesalib/src/mesa/main/enable.c b/mesalib/src/mesa/main/enable.c
index 8df3ac1f6..aac8b9c5e 100644
--- a/mesalib/src/mesa/main/enable.c
+++ b/mesalib/src/mesa/main/enable.c
@@ -1,1425 +1,1428 @@
-/**
- * \file enable.c
- * Enable/disable/query GL capabilities.
- */
-
-/*
- * Mesa 3-D graphics library
- * Version: 7.0.3
- *
- * 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 "clip.h"
-#include "context.h"
-#include "enable.h"
-#include "light.h"
-#include "simple_list.h"
-#include "mfeatures.h"
-#include "mtypes.h"
-#include "enums.h"
-#include "api_arrayelt.h"
-#include "texstate.h"
-
-
-
-#define CHECK_EXTENSION(EXTNAME, CAP) \
- if (!ctx->Extensions.EXTNAME) { \
- goto invalid_enum_error; \
- }
-
-
-/**
- * Helper to enable/disable client-side state.
- */
-static void
-client_state(struct gl_context *ctx, GLenum cap, GLboolean state)
-{
- struct gl_array_object *arrayObj = ctx->Array.ArrayObj;
- GLuint flag;
- GLboolean *var;
-
- switch (cap) {
- case GL_VERTEX_ARRAY:
- var = &arrayObj->Vertex.Enabled;
- flag = _NEW_ARRAY_VERTEX;
- break;
- case GL_NORMAL_ARRAY:
- var = &arrayObj->Normal.Enabled;
- flag = _NEW_ARRAY_NORMAL;
- break;
- case GL_COLOR_ARRAY:
- var = &arrayObj->Color.Enabled;
- flag = _NEW_ARRAY_COLOR0;
- break;
- case GL_INDEX_ARRAY:
- var = &arrayObj->Index.Enabled;
- flag = _NEW_ARRAY_INDEX;
- break;
- case GL_TEXTURE_COORD_ARRAY:
- var = &arrayObj->TexCoord[ctx->Array.ActiveTexture].Enabled;
- flag = _NEW_ARRAY_TEXCOORD(ctx->Array.ActiveTexture);
- break;
- case GL_EDGE_FLAG_ARRAY:
- var = &arrayObj->EdgeFlag.Enabled;
- flag = _NEW_ARRAY_EDGEFLAG;
- break;
- case GL_FOG_COORDINATE_ARRAY_EXT:
- var = &arrayObj->FogCoord.Enabled;
- flag = _NEW_ARRAY_FOGCOORD;
- break;
- case GL_SECONDARY_COLOR_ARRAY_EXT:
- var = &arrayObj->SecondaryColor.Enabled;
- flag = _NEW_ARRAY_COLOR1;
- break;
-
-#if FEATURE_point_size_array
- case GL_POINT_SIZE_ARRAY_OES:
- var = &arrayObj->PointSize.Enabled;
- flag = _NEW_ARRAY_POINT_SIZE;
- break;
-#endif
-
-#if FEATURE_NV_vertex_program
- case GL_VERTEX_ATTRIB_ARRAY0_NV:
- case GL_VERTEX_ATTRIB_ARRAY1_NV:
- case GL_VERTEX_ATTRIB_ARRAY2_NV:
- case GL_VERTEX_ATTRIB_ARRAY3_NV:
- case GL_VERTEX_ATTRIB_ARRAY4_NV:
- case GL_VERTEX_ATTRIB_ARRAY5_NV:
- case GL_VERTEX_ATTRIB_ARRAY6_NV:
- case GL_VERTEX_ATTRIB_ARRAY7_NV:
- case GL_VERTEX_ATTRIB_ARRAY8_NV:
- case GL_VERTEX_ATTRIB_ARRAY9_NV:
- case GL_VERTEX_ATTRIB_ARRAY10_NV:
- case GL_VERTEX_ATTRIB_ARRAY11_NV:
- case GL_VERTEX_ATTRIB_ARRAY12_NV:
- case GL_VERTEX_ATTRIB_ARRAY13_NV:
- case GL_VERTEX_ATTRIB_ARRAY14_NV:
- case GL_VERTEX_ATTRIB_ARRAY15_NV:
- CHECK_EXTENSION(NV_vertex_program, cap);
- {
- GLint n = (GLint) cap - GL_VERTEX_ATTRIB_ARRAY0_NV;
- ASSERT(n < Elements(ctx->Array.ArrayObj->VertexAttrib));
- var = &arrayObj->VertexAttrib[n].Enabled;
- flag = _NEW_ARRAY_ATTRIB(n);
- }
- break;
-#endif /* FEATURE_NV_vertex_program */
-
- /* GL_NV_primitive_restart */
- case GL_PRIMITIVE_RESTART_NV:
- if (!ctx->Extensions.NV_primitive_restart) {
- goto invalid_enum_error;
- }
- var = &ctx->Array.PrimitiveRestart;
- flag = 0;
- break;
-
- default:
- goto invalid_enum_error;
- }
-
- if (*var == state)
- return;
-
- FLUSH_VERTICES(ctx, _NEW_ARRAY);
- ctx->Array.NewState |= flag;
-
- _ae_invalidate_state(ctx, _NEW_ARRAY);
-
- *var = state;
-
- if (state)
- ctx->Array.ArrayObj->_Enabled |= flag;
- else
- ctx->Array.ArrayObj->_Enabled &= ~flag;
-
- if (ctx->Driver.Enable) {
- ctx->Driver.Enable( ctx, cap, state );
- }
-
- return;
-
-invalid_enum_error:
- _mesa_error(ctx, GL_INVALID_ENUM, "gl%sClientState(0x%x)",
- state ? "Enable" : "Disable", cap);
-}
-
-
-/**
- * Enable GL capability.
- * \param cap state to enable/disable.
- *
- * Get's the current context, assures that we're outside glBegin()/glEnd() and
- * calls client_state().
- */
-void GLAPIENTRY
-_mesa_EnableClientState( GLenum cap )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
- client_state( ctx, cap, GL_TRUE );
-}
-
-
-/**
- * Disable GL capability.
- * \param cap state to enable/disable.
- *
- * Get's the current context, assures that we're outside glBegin()/glEnd() and
- * calls client_state().
- */
-void GLAPIENTRY
-_mesa_DisableClientState( GLenum cap )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
- client_state( ctx, cap, GL_FALSE );
-}
-
-
-#undef CHECK_EXTENSION
-#define CHECK_EXTENSION(EXTNAME, CAP) \
- if (!ctx->Extensions.EXTNAME) { \
- goto invalid_enum_error; \
- }
-
-#define CHECK_EXTENSION2(EXT1, EXT2, CAP) \
- if (!ctx->Extensions.EXT1 && !ctx->Extensions.EXT2) { \
- goto invalid_enum_error; \
- }
-
-
-
-/**
- * Return pointer to current texture unit for setting/getting coordinate
- * state.
- * Note that we'll set GL_INVALID_OPERATION and return NULL if the active
- * texture unit is higher than the number of supported coordinate units.
- */
-static struct gl_texture_unit *
-get_texcoord_unit(struct gl_context *ctx)
-{
- if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glEnable/Disable(texcoord unit)");
- return NULL;
- }
- else {
- return &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- }
-}
-
-
-/**
- * Helper function to enable or disable a texture target.
- * \param bit one of the TEXTURE_x_BIT values
- * \return GL_TRUE if state is changing or GL_FALSE if no change
- */
-static GLboolean
-enable_texture(struct gl_context *ctx, GLboolean state, GLbitfield texBit)
-{
- struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
- const GLbitfield newenabled = state
- ? (texUnit->Enabled | texBit) : (texUnit->Enabled & ~texBit);
-
- if (texUnit->Enabled == newenabled)
- return GL_FALSE;
-
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texUnit->Enabled = newenabled;
- return GL_TRUE;
-}
-
-
-/**
- * Helper function to enable or disable state.
- *
- * \param ctx GL context.
- * \param cap the state to enable/disable
- * \param state whether to enable or disable the specified capability.
- *
- * Updates the current context and flushes the vertices as needed. For
- * capabilities associated with extensions it verifies that those extensions
- * are effectivly present before updating. Notifies the driver via
- * dd_function_table::Enable.
- */
-void
-_mesa_set_enable(struct gl_context *ctx, GLenum cap, GLboolean state)
-{
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "%s %s (newstate is %x)\n",
- state ? "glEnable" : "glDisable",
- _mesa_lookup_enum_by_nr(cap),
- ctx->NewState);
-
- switch (cap) {
- case GL_ALPHA_TEST:
- if (ctx->Color.AlphaEnabled == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_COLOR);
- ctx->Color.AlphaEnabled = state;
- break;
- case GL_AUTO_NORMAL:
- if (ctx->Eval.AutoNormal == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_EVAL);
- ctx->Eval.AutoNormal = state;
- break;
- case GL_BLEND:
- {
- GLbitfield newEnabled =
- state * ((1 << ctx->Const.MaxDrawBuffers) - 1);
- if (newEnabled != ctx->Color.BlendEnabled) {
- FLUSH_VERTICES(ctx, _NEW_COLOR);
- ctx->Color.BlendEnabled = newEnabled;
- }
- }
- break;
-#if FEATURE_userclip
- case GL_CLIP_PLANE0:
- case GL_CLIP_PLANE1:
- case GL_CLIP_PLANE2:
- case GL_CLIP_PLANE3:
- case GL_CLIP_PLANE4:
- case GL_CLIP_PLANE5:
- {
- const GLuint p = cap - GL_CLIP_PLANE0;
-
- if ((ctx->Transform.ClipPlanesEnabled & (1 << p))
- == ((GLuint) state << p))
- return;
-
- FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
-
- if (state) {
- ctx->Transform.ClipPlanesEnabled |= (1 << p);
- _mesa_update_clip_plane(ctx, p);
- }
- else {
- ctx->Transform.ClipPlanesEnabled &= ~(1 << p);
- }
- }
- break;
-#endif
- case GL_COLOR_MATERIAL:
- if (ctx->Light.ColorMaterialEnabled == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_LIGHT);
- FLUSH_CURRENT(ctx, 0);
- ctx->Light.ColorMaterialEnabled = state;
- if (state) {
- _mesa_update_color_material( ctx,
- ctx->Current.Attrib[VERT_ATTRIB_COLOR0] );
- }
- break;
- case GL_CULL_FACE:
- if (ctx->Polygon.CullFlag == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_POLYGON);
- ctx->Polygon.CullFlag = state;
- break;
- case GL_DEPTH_TEST:
- if (ctx->Depth.Test == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_DEPTH);
- ctx->Depth.Test = state;
- break;
- case GL_DITHER:
- if (ctx->Color.DitherFlag == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_COLOR);
- ctx->Color.DitherFlag = state;
- break;
- case GL_FOG:
- if (ctx->Fog.Enabled == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_FOG);
- ctx->Fog.Enabled = state;
- break;
- case GL_LIGHT0:
- case GL_LIGHT1:
- case GL_LIGHT2:
- case GL_LIGHT3:
- case GL_LIGHT4:
- case GL_LIGHT5:
- case GL_LIGHT6:
- case GL_LIGHT7:
- if (ctx->Light.Light[cap-GL_LIGHT0].Enabled == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_LIGHT);
- ctx->Light.Light[cap-GL_LIGHT0].Enabled = state;
- if (state) {
- insert_at_tail(&ctx->Light.EnabledList,
- &ctx->Light.Light[cap-GL_LIGHT0]);
- }
- else {
- remove_from_list(&ctx->Light.Light[cap-GL_LIGHT0]);
- }
- break;
- case GL_LIGHTING:
- if (ctx->Light.Enabled == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_LIGHT);
- ctx->Light.Enabled = state;
- if (ctx->Light.Enabled && ctx->Light.Model.TwoSide)
- ctx->_TriangleCaps |= DD_TRI_LIGHT_TWOSIDE;
- else
- ctx->_TriangleCaps &= ~DD_TRI_LIGHT_TWOSIDE;
- break;
- case GL_LINE_SMOOTH:
- if (ctx->Line.SmoothFlag == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_LINE);
- ctx->Line.SmoothFlag = state;
- ctx->_TriangleCaps ^= DD_LINE_SMOOTH;
- break;
- case GL_LINE_STIPPLE:
- if (ctx->Line.StippleFlag == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_LINE);
- ctx->Line.StippleFlag = state;
- ctx->_TriangleCaps ^= DD_LINE_STIPPLE;
- break;
- case GL_INDEX_LOGIC_OP:
- if (ctx->Color.IndexLogicOpEnabled == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_COLOR);
- ctx->Color.IndexLogicOpEnabled = state;
- break;
- case GL_COLOR_LOGIC_OP:
- if (ctx->Color.ColorLogicOpEnabled == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_COLOR);
- ctx->Color.ColorLogicOpEnabled = state;
- break;
- case GL_MAP1_COLOR_4:
- if (ctx->Eval.Map1Color4 == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_EVAL);
- ctx->Eval.Map1Color4 = state;
- break;
- case GL_MAP1_INDEX:
- if (ctx->Eval.Map1Index == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_EVAL);
- ctx->Eval.Map1Index = state;
- break;
- case GL_MAP1_NORMAL:
- if (ctx->Eval.Map1Normal == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_EVAL);
- ctx->Eval.Map1Normal = state;
- break;
- case GL_MAP1_TEXTURE_COORD_1:
- if (ctx->Eval.Map1TextureCoord1 == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_EVAL);
- ctx->Eval.Map1TextureCoord1 = state;
- break;
- case GL_MAP1_TEXTURE_COORD_2:
- if (ctx->Eval.Map1TextureCoord2 == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_EVAL);
- ctx->Eval.Map1TextureCoord2 = state;
- break;
- case GL_MAP1_TEXTURE_COORD_3:
- if (ctx->Eval.Map1TextureCoord3 == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_EVAL);
- ctx->Eval.Map1TextureCoord3 = state;
- break;
- case GL_MAP1_TEXTURE_COORD_4:
- if (ctx->Eval.Map1TextureCoord4 == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_EVAL);
- ctx->Eval.Map1TextureCoord4 = state;
- break;
- case GL_MAP1_VERTEX_3:
- if (ctx->Eval.Map1Vertex3 == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_EVAL);
- ctx->Eval.Map1Vertex3 = state;
- break;
- case GL_MAP1_VERTEX_4:
- if (ctx->Eval.Map1Vertex4 == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_EVAL);
- ctx->Eval.Map1Vertex4 = state;
- break;
- case GL_MAP2_COLOR_4:
- if (ctx->Eval.Map2Color4 == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_EVAL);
- ctx->Eval.Map2Color4 = state;
- break;
- case GL_MAP2_INDEX:
- if (ctx->Eval.Map2Index == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_EVAL);
- ctx->Eval.Map2Index = state;
- break;
- case GL_MAP2_NORMAL:
- if (ctx->Eval.Map2Normal == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_EVAL);
- ctx->Eval.Map2Normal = state;
- break;
- case GL_MAP2_TEXTURE_COORD_1:
- if (ctx->Eval.Map2TextureCoord1 == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_EVAL);
- ctx->Eval.Map2TextureCoord1 = state;
- break;
- case GL_MAP2_TEXTURE_COORD_2:
- if (ctx->Eval.Map2TextureCoord2 == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_EVAL);
- ctx->Eval.Map2TextureCoord2 = state;
- break;
- case GL_MAP2_TEXTURE_COORD_3:
- if (ctx->Eval.Map2TextureCoord3 == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_EVAL);
- ctx->Eval.Map2TextureCoord3 = state;
- break;
- case GL_MAP2_TEXTURE_COORD_4:
- if (ctx->Eval.Map2TextureCoord4 == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_EVAL);
- ctx->Eval.Map2TextureCoord4 = state;
- break;
- case GL_MAP2_VERTEX_3:
- if (ctx->Eval.Map2Vertex3 == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_EVAL);
- ctx->Eval.Map2Vertex3 = state;
- break;
- case GL_MAP2_VERTEX_4:
- if (ctx->Eval.Map2Vertex4 == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_EVAL);
- ctx->Eval.Map2Vertex4 = state;
- break;
- case GL_NORMALIZE:
- if (ctx->Transform.Normalize == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
- ctx->Transform.Normalize = state;
- break;
- case GL_POINT_SMOOTH:
- if (ctx->Point.SmoothFlag == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_POINT);
- ctx->Point.SmoothFlag = state;
- ctx->_TriangleCaps ^= DD_POINT_SMOOTH;
- break;
- case GL_POLYGON_SMOOTH:
- if (ctx->Polygon.SmoothFlag == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_POLYGON);
- ctx->Polygon.SmoothFlag = state;
- ctx->_TriangleCaps ^= DD_TRI_SMOOTH;
- break;
- case GL_POLYGON_STIPPLE:
- if (ctx->Polygon.StippleFlag == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_POLYGON);
- ctx->Polygon.StippleFlag = state;
- ctx->_TriangleCaps ^= DD_TRI_STIPPLE;
- break;
- case GL_POLYGON_OFFSET_POINT:
- if (ctx->Polygon.OffsetPoint == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_POLYGON);
- ctx->Polygon.OffsetPoint = state;
- break;
- case GL_POLYGON_OFFSET_LINE:
- if (ctx->Polygon.OffsetLine == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_POLYGON);
- ctx->Polygon.OffsetLine = state;
- break;
- case GL_POLYGON_OFFSET_FILL:
- /*case GL_POLYGON_OFFSET_EXT:*/
- if (ctx->Polygon.OffsetFill == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_POLYGON);
- ctx->Polygon.OffsetFill = state;
- break;
- case GL_RESCALE_NORMAL_EXT:
- if (ctx->Transform.RescaleNormals == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
- ctx->Transform.RescaleNormals = state;
- break;
- case GL_SCISSOR_TEST:
- if (ctx->Scissor.Enabled == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_SCISSOR);
- ctx->Scissor.Enabled = state;
- break;
- case GL_SHARED_TEXTURE_PALETTE_EXT:
- if (ctx->Texture.SharedPalette == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- ctx->Texture.SharedPalette = state;
- break;
- case GL_STENCIL_TEST:
- if (ctx->Stencil.Enabled == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_STENCIL);
- ctx->Stencil.Enabled = state;
- break;
- case GL_TEXTURE_1D:
- if (!enable_texture(ctx, state, TEXTURE_1D_BIT)) {
- return;
- }
- break;
- case GL_TEXTURE_2D:
- if (!enable_texture(ctx, state, TEXTURE_2D_BIT)) {
- return;
- }
- break;
- case GL_TEXTURE_3D:
- if (!enable_texture(ctx, state, TEXTURE_3D_BIT)) {
- return;
- }
- break;
- case GL_TEXTURE_GEN_S:
- case GL_TEXTURE_GEN_T:
- case GL_TEXTURE_GEN_R:
- case GL_TEXTURE_GEN_Q:
- {
- struct gl_texture_unit *texUnit = get_texcoord_unit(ctx);
- if (texUnit) {
- GLbitfield coordBit = S_BIT << (cap - GL_TEXTURE_GEN_S);
- GLbitfield newenabled = texUnit->TexGenEnabled & ~coordBit;
- if (state)
- newenabled |= coordBit;
- if (texUnit->TexGenEnabled == newenabled)
- return;
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texUnit->TexGenEnabled = newenabled;
- }
- }
- break;
-
-#if FEATURE_ES1
- case GL_TEXTURE_GEN_STR_OES:
- /* disable S, T, and R at the same time */
- {
- struct gl_texture_unit *texUnit = get_texcoord_unit(ctx);
- if (texUnit) {
- GLuint newenabled =
- texUnit->TexGenEnabled & ~STR_BITS;
- if (state)
- newenabled |= STR_BITS;
- if (texUnit->TexGenEnabled == newenabled)
- return;
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texUnit->TexGenEnabled = newenabled;
- }
- }
- break;
-#endif
-
- /*
- * CLIENT STATE!!!
- */
- case GL_VERTEX_ARRAY:
- case GL_NORMAL_ARRAY:
- case GL_COLOR_ARRAY:
- case GL_INDEX_ARRAY:
- case GL_TEXTURE_COORD_ARRAY:
- case GL_EDGE_FLAG_ARRAY:
- case GL_FOG_COORDINATE_ARRAY_EXT:
- case GL_SECONDARY_COLOR_ARRAY_EXT:
- case GL_POINT_SIZE_ARRAY_OES:
- client_state( ctx, cap, state );
- return;
-
- /* GL_ARB_texture_cube_map */
- case GL_TEXTURE_CUBE_MAP_ARB:
- CHECK_EXTENSION(ARB_texture_cube_map, cap);
- if (!enable_texture(ctx, state, TEXTURE_CUBE_BIT)) {
- return;
- }
- break;
-
- /* GL_EXT_secondary_color */
- case GL_COLOR_SUM_EXT:
- CHECK_EXTENSION2(EXT_secondary_color, ARB_vertex_program, cap);
- if (ctx->Fog.ColorSumEnabled == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_FOG);
- ctx->Fog.ColorSumEnabled = state;
- break;
-
- /* GL_ARB_multisample */
- case GL_MULTISAMPLE_ARB:
- if (ctx->Multisample.Enabled == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE);
- ctx->Multisample.Enabled = state;
- break;
- case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB:
- if (ctx->Multisample.SampleAlphaToCoverage == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE);
- ctx->Multisample.SampleAlphaToCoverage = state;
- break;
- case GL_SAMPLE_ALPHA_TO_ONE_ARB:
- if (ctx->Multisample.SampleAlphaToOne == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE);
- ctx->Multisample.SampleAlphaToOne = state;
- break;
- case GL_SAMPLE_COVERAGE_ARB:
- if (ctx->Multisample.SampleCoverage == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE);
- ctx->Multisample.SampleCoverage = state;
- break;
- case GL_SAMPLE_COVERAGE_INVERT_ARB:
- if (ctx->Multisample.SampleCoverageInvert == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE);
- ctx->Multisample.SampleCoverageInvert = state;
- break;
-
- /* GL_IBM_rasterpos_clip */
- case GL_RASTER_POSITION_UNCLIPPED_IBM:
- CHECK_EXTENSION(IBM_rasterpos_clip, cap);
- if (ctx->Transform.RasterPositionUnclipped == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
- ctx->Transform.RasterPositionUnclipped = state;
- break;
-
- /* GL_NV_point_sprite */
- case GL_POINT_SPRITE_NV:
- CHECK_EXTENSION2(NV_point_sprite, ARB_point_sprite, cap);
- if (ctx->Point.PointSprite == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_POINT);
- ctx->Point.PointSprite = state;
- break;
-
-#if FEATURE_NV_vertex_program || FEATURE_ARB_vertex_program
- case GL_VERTEX_PROGRAM_ARB:
- CHECK_EXTENSION2(ARB_vertex_program, NV_vertex_program, cap);
- if (ctx->VertexProgram.Enabled == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_PROGRAM);
- ctx->VertexProgram.Enabled = state;
- break;
- case GL_VERTEX_PROGRAM_POINT_SIZE_ARB:
- CHECK_EXTENSION2(ARB_vertex_program, NV_vertex_program, cap);
- if (ctx->VertexProgram.PointSizeEnabled == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_PROGRAM);
- ctx->VertexProgram.PointSizeEnabled = state;
- break;
- case GL_VERTEX_PROGRAM_TWO_SIDE_ARB:
- CHECK_EXTENSION2(ARB_vertex_program, NV_vertex_program, cap);
- if (ctx->VertexProgram.TwoSideEnabled == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_PROGRAM);
- ctx->VertexProgram.TwoSideEnabled = state;
- break;
-#endif
-#if FEATURE_NV_vertex_program
- case GL_MAP1_VERTEX_ATTRIB0_4_NV:
- case GL_MAP1_VERTEX_ATTRIB1_4_NV:
- case GL_MAP1_VERTEX_ATTRIB2_4_NV:
- case GL_MAP1_VERTEX_ATTRIB3_4_NV:
- case GL_MAP1_VERTEX_ATTRIB4_4_NV:
- case GL_MAP1_VERTEX_ATTRIB5_4_NV:
- case GL_MAP1_VERTEX_ATTRIB6_4_NV:
- case GL_MAP1_VERTEX_ATTRIB7_4_NV:
- case GL_MAP1_VERTEX_ATTRIB8_4_NV:
- case GL_MAP1_VERTEX_ATTRIB9_4_NV:
- case GL_MAP1_VERTEX_ATTRIB10_4_NV:
- case GL_MAP1_VERTEX_ATTRIB11_4_NV:
- case GL_MAP1_VERTEX_ATTRIB12_4_NV:
- case GL_MAP1_VERTEX_ATTRIB13_4_NV:
- case GL_MAP1_VERTEX_ATTRIB14_4_NV:
- case GL_MAP1_VERTEX_ATTRIB15_4_NV:
- CHECK_EXTENSION(NV_vertex_program, cap);
- {
- const GLuint map = (GLuint) (cap - GL_MAP1_VERTEX_ATTRIB0_4_NV);
- FLUSH_VERTICES(ctx, _NEW_EVAL);
- ctx->Eval.Map1Attrib[map] = state;
- }
- break;
- case GL_MAP2_VERTEX_ATTRIB0_4_NV:
- case GL_MAP2_VERTEX_ATTRIB1_4_NV:
- case GL_MAP2_VERTEX_ATTRIB2_4_NV:
- case GL_MAP2_VERTEX_ATTRIB3_4_NV:
- case GL_MAP2_VERTEX_ATTRIB4_4_NV:
- case GL_MAP2_VERTEX_ATTRIB5_4_NV:
- case GL_MAP2_VERTEX_ATTRIB6_4_NV:
- case GL_MAP2_VERTEX_ATTRIB7_4_NV:
- case GL_MAP2_VERTEX_ATTRIB8_4_NV:
- case GL_MAP2_VERTEX_ATTRIB9_4_NV:
- case GL_MAP2_VERTEX_ATTRIB10_4_NV:
- case GL_MAP2_VERTEX_ATTRIB11_4_NV:
- case GL_MAP2_VERTEX_ATTRIB12_4_NV:
- case GL_MAP2_VERTEX_ATTRIB13_4_NV:
- case GL_MAP2_VERTEX_ATTRIB14_4_NV:
- case GL_MAP2_VERTEX_ATTRIB15_4_NV:
- CHECK_EXTENSION(NV_vertex_program, cap);
- {
- const GLuint map = (GLuint) (cap - GL_MAP2_VERTEX_ATTRIB0_4_NV);
- FLUSH_VERTICES(ctx, _NEW_EVAL);
- ctx->Eval.Map2Attrib[map] = state;
- }
- break;
-#endif /* FEATURE_NV_vertex_program */
-
-#if FEATURE_NV_fragment_program
- case GL_FRAGMENT_PROGRAM_NV:
- CHECK_EXTENSION(NV_fragment_program, cap);
- if (ctx->FragmentProgram.Enabled == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_PROGRAM);
- ctx->FragmentProgram.Enabled = state;
- break;
-#endif /* FEATURE_NV_fragment_program */
-
- /* GL_NV_texture_rectangle */
- case GL_TEXTURE_RECTANGLE_NV:
- CHECK_EXTENSION(NV_texture_rectangle, cap);
- if (!enable_texture(ctx, state, TEXTURE_RECT_BIT)) {
- return;
- }
- break;
-
- /* GL_EXT_stencil_two_side */
- case GL_STENCIL_TEST_TWO_SIDE_EXT:
- CHECK_EXTENSION(EXT_stencil_two_side, cap);
- if (ctx->Stencil.TestTwoSide == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_STENCIL);
- ctx->Stencil.TestTwoSide = state;
- if (state) {
- ctx->Stencil._BackFace = 2;
- ctx->_TriangleCaps |= DD_TRI_TWOSTENCIL;
- } else {
- ctx->Stencil._BackFace = 1;
- ctx->_TriangleCaps &= ~DD_TRI_TWOSTENCIL;
- }
- break;
-
-#if FEATURE_ARB_fragment_program
- case GL_FRAGMENT_PROGRAM_ARB:
- CHECK_EXTENSION(ARB_fragment_program, cap);
- if (ctx->FragmentProgram.Enabled == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_PROGRAM);
- ctx->FragmentProgram.Enabled = state;
- break;
-#endif /* FEATURE_ARB_fragment_program */
-
- /* GL_EXT_depth_bounds_test */
- case GL_DEPTH_BOUNDS_TEST_EXT:
- CHECK_EXTENSION(EXT_depth_bounds_test, cap);
- if (ctx->Depth.BoundsTest == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_DEPTH);
- ctx->Depth.BoundsTest = state;
- break;
-
- case GL_DEPTH_CLAMP:
- if (ctx->Transform.DepthClamp == state)
- return;
- CHECK_EXTENSION(ARB_depth_clamp, cap);
- FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
- ctx->Transform.DepthClamp = state;
- break;
-
-#if FEATURE_ATI_fragment_shader
- case GL_FRAGMENT_SHADER_ATI:
- CHECK_EXTENSION(ATI_fragment_shader, cap);
- if (ctx->ATIFragmentShader.Enabled == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_PROGRAM);
- ctx->ATIFragmentShader.Enabled = state;
- break;
-#endif
-
- /* GL_MESA_texture_array */
- case GL_TEXTURE_1D_ARRAY_EXT:
- CHECK_EXTENSION(MESA_texture_array, cap);
- if (!enable_texture(ctx, state, TEXTURE_1D_ARRAY_BIT)) {
- return;
- }
- break;
-
- case GL_TEXTURE_2D_ARRAY_EXT:
- CHECK_EXTENSION(MESA_texture_array, cap);
- if (!enable_texture(ctx, state, TEXTURE_2D_ARRAY_BIT)) {
- return;
- }
- break;
-
- case GL_TEXTURE_CUBE_MAP_SEAMLESS:
- CHECK_EXTENSION(ARB_seamless_cube_map, cap);
- ctx->Texture.CubeMapSeamless = state;
- break;
-
-#if FEATURE_EXT_transform_feedback
- case GL_RASTERIZER_DISCARD:
- CHECK_EXTENSION(EXT_transform_feedback, cap);
- if (ctx->TransformFeedback.RasterDiscard != state) {
- ctx->TransformFeedback.RasterDiscard = state;
- FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
- }
- break;
-#endif
-
- /* GL 3.1 primitive restart. Note: this enum is different from
- * GL_PRIMITIVE_RESTART_NV (which is client state).
- */
- case GL_PRIMITIVE_RESTART:
- if (ctx->VersionMajor * 10 + ctx->VersionMinor < 31) {
- goto invalid_enum_error;
- }
- if (ctx->Array.PrimitiveRestart != state) {
- FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
- ctx->Array.PrimitiveRestart = state;
- }
- break;
-
- /* GL3.0 - GL_framebuffer_sRGB */
- case GL_FRAMEBUFFER_SRGB_EXT:
- CHECK_EXTENSION(EXT_framebuffer_sRGB, cap);
- FLUSH_VERTICES(ctx, _NEW_BUFFERS);
- ctx->Color.sRGBEnabled = state;
- break;
-
- default:
- goto invalid_enum_error;
- }
-
- if (ctx->Driver.Enable) {
- ctx->Driver.Enable( ctx, cap, state );
- }
-
- return;
-
-invalid_enum_error:
- _mesa_error(ctx, GL_INVALID_ENUM, "gl%s(0x%x)",
- state ? "Enable" : "Disable", cap);
-}
-
-
-/**
- * Enable GL capability. Called by glEnable()
- * \param cap state to enable.
- */
-void GLAPIENTRY
-_mesa_Enable( GLenum cap )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- _mesa_set_enable( ctx, cap, GL_TRUE );
-}
-
-
-/**
- * Disable GL capability. Called by glDisable()
- * \param cap state to disable.
- */
-void GLAPIENTRY
-_mesa_Disable( GLenum cap )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- _mesa_set_enable( ctx, cap, GL_FALSE );
-}
-
-
-
-/**
- * Enable/disable an indexed state var.
- */
-void
-_mesa_set_enablei(struct gl_context *ctx, GLenum cap,
- GLuint index, GLboolean state)
-{
- ASSERT(state == 0 || state == 1);
- switch (cap) {
- case GL_BLEND:
- if (!ctx->Extensions.EXT_draw_buffers2) {
- goto invalid_enum_error;
- }
- if (index >= ctx->Const.MaxDrawBuffers) {
- _mesa_error(ctx, GL_INVALID_VALUE, "%s(index=%u)",
- state ? "glEnableIndexed" : "glDisableIndexed", index);
- return;
- }
- if (((ctx->Color.BlendEnabled >> index) & 1) != state) {
- FLUSH_VERTICES(ctx, _NEW_COLOR);
- if (state)
- ctx->Color.BlendEnabled |= (1 << index);
- else
- ctx->Color.BlendEnabled &= ~(1 << index);
- }
- break;
- default:
- goto invalid_enum_error;
- }
- return;
-
-invalid_enum_error:
- _mesa_error(ctx, GL_INVALID_ENUM, "%s(cap=%s)",
- state ? "glEnablei" : "glDisablei",
- _mesa_lookup_enum_by_nr(cap));
-}
-
-
-void GLAPIENTRY
-_mesa_DisableIndexed( GLenum cap, GLuint index )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
- _mesa_set_enablei(ctx, cap, index, GL_FALSE);
-}
-
-
-void GLAPIENTRY
-_mesa_EnableIndexed( GLenum cap, GLuint index )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
- _mesa_set_enablei(ctx, cap, index, GL_TRUE);
-}
-
-
-GLboolean GLAPIENTRY
-_mesa_IsEnabledIndexed( GLenum cap, GLuint index )
-{
- GET_CURRENT_CONTEXT(ctx);
- switch (cap) {
- case GL_BLEND:
- if (index >= ctx->Const.MaxDrawBuffers) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glIsEnabledIndexed(index=%u)",
- index);
- return GL_FALSE;
- }
- return (ctx->Color.BlendEnabled >> index) & 1;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabledIndexed(cap=%s)",
- _mesa_lookup_enum_by_nr(cap));
- return GL_FALSE;
- }
-}
-
-
-
-
-#undef CHECK_EXTENSION
-#define CHECK_EXTENSION(EXTNAME) \
- if (!ctx->Extensions.EXTNAME) { \
- goto invalid_enum_error; \
- }
-
-#undef CHECK_EXTENSION2
-#define CHECK_EXTENSION2(EXT1, EXT2) \
- if (!ctx->Extensions.EXT1 && !ctx->Extensions.EXT2) { \
- goto invalid_enum_error; \
- }
-
-
-/**
- * Helper function to determine whether a texture target is enabled.
- */
-static GLboolean
-is_texture_enabled(struct gl_context *ctx, GLbitfield bit)
-{
- const struct gl_texture_unit *const texUnit =
- &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
- return (texUnit->Enabled & bit) ? GL_TRUE : GL_FALSE;
-}
-
-
-/**
- * Return simple enable/disable state.
- *
- * \param cap state variable to query.
- *
- * Returns the state of the specified capability from the current GL context.
- * For the capabilities associated with extensions verifies that those
- * extensions are effectively present before reporting.
- */
-GLboolean GLAPIENTRY
-_mesa_IsEnabled( GLenum cap )
-{
- GET_CURRENT_CONTEXT(ctx);
- switch (cap) {
- case GL_ALPHA_TEST:
- return ctx->Color.AlphaEnabled;
- case GL_AUTO_NORMAL:
- return ctx->Eval.AutoNormal;
- case GL_BLEND:
- return ctx->Color.BlendEnabled & 1; /* return state for buffer[0] */
- case GL_CLIP_PLANE0:
- case GL_CLIP_PLANE1:
- case GL_CLIP_PLANE2:
- case GL_CLIP_PLANE3:
- case GL_CLIP_PLANE4:
- case GL_CLIP_PLANE5:
- return (ctx->Transform.ClipPlanesEnabled >> (cap - GL_CLIP_PLANE0)) & 1;
- case GL_COLOR_MATERIAL:
- return ctx->Light.ColorMaterialEnabled;
- case GL_CULL_FACE:
- return ctx->Polygon.CullFlag;
- case GL_DEPTH_TEST:
- return ctx->Depth.Test;
- case GL_DITHER:
- return ctx->Color.DitherFlag;
- case GL_FOG:
- return ctx->Fog.Enabled;
- case GL_LIGHTING:
- return ctx->Light.Enabled;
- case GL_LIGHT0:
- case GL_LIGHT1:
- case GL_LIGHT2:
- case GL_LIGHT3:
- case GL_LIGHT4:
- case GL_LIGHT5:
- case GL_LIGHT6:
- case GL_LIGHT7:
- return ctx->Light.Light[cap-GL_LIGHT0].Enabled;
- case GL_LINE_SMOOTH:
- return ctx->Line.SmoothFlag;
- case GL_LINE_STIPPLE:
- return ctx->Line.StippleFlag;
- case GL_INDEX_LOGIC_OP:
- return ctx->Color.IndexLogicOpEnabled;
- case GL_COLOR_LOGIC_OP:
- return ctx->Color.ColorLogicOpEnabled;
- case GL_MAP1_COLOR_4:
- return ctx->Eval.Map1Color4;
- case GL_MAP1_INDEX:
- return ctx->Eval.Map1Index;
- case GL_MAP1_NORMAL:
- return ctx->Eval.Map1Normal;
- case GL_MAP1_TEXTURE_COORD_1:
- return ctx->Eval.Map1TextureCoord1;
- case GL_MAP1_TEXTURE_COORD_2:
- return ctx->Eval.Map1TextureCoord2;
- case GL_MAP1_TEXTURE_COORD_3:
- return ctx->Eval.Map1TextureCoord3;
- case GL_MAP1_TEXTURE_COORD_4:
- return ctx->Eval.Map1TextureCoord4;
- case GL_MAP1_VERTEX_3:
- return ctx->Eval.Map1Vertex3;
- case GL_MAP1_VERTEX_4:
- return ctx->Eval.Map1Vertex4;
- case GL_MAP2_COLOR_4:
- return ctx->Eval.Map2Color4;
- case GL_MAP2_INDEX:
- return ctx->Eval.Map2Index;
- case GL_MAP2_NORMAL:
- return ctx->Eval.Map2Normal;
- case GL_MAP2_TEXTURE_COORD_1:
- return ctx->Eval.Map2TextureCoord1;
- case GL_MAP2_TEXTURE_COORD_2:
- return ctx->Eval.Map2TextureCoord2;
- case GL_MAP2_TEXTURE_COORD_3:
- return ctx->Eval.Map2TextureCoord3;
- case GL_MAP2_TEXTURE_COORD_4:
- return ctx->Eval.Map2TextureCoord4;
- case GL_MAP2_VERTEX_3:
- return ctx->Eval.Map2Vertex3;
- case GL_MAP2_VERTEX_4:
- return ctx->Eval.Map2Vertex4;
- case GL_NORMALIZE:
- return ctx->Transform.Normalize;
- case GL_POINT_SMOOTH:
- return ctx->Point.SmoothFlag;
- case GL_POLYGON_SMOOTH:
- return ctx->Polygon.SmoothFlag;
- case GL_POLYGON_STIPPLE:
- return ctx->Polygon.StippleFlag;
- case GL_POLYGON_OFFSET_POINT:
- return ctx->Polygon.OffsetPoint;
- case GL_POLYGON_OFFSET_LINE:
- return ctx->Polygon.OffsetLine;
- case GL_POLYGON_OFFSET_FILL:
- /*case GL_POLYGON_OFFSET_EXT:*/
- return ctx->Polygon.OffsetFill;
- case GL_RESCALE_NORMAL_EXT:
- return ctx->Transform.RescaleNormals;
- case GL_SCISSOR_TEST:
- return ctx->Scissor.Enabled;
- case GL_SHARED_TEXTURE_PALETTE_EXT:
- return ctx->Texture.SharedPalette;
- case GL_STENCIL_TEST:
- return ctx->Stencil.Enabled;
- case GL_TEXTURE_1D:
- return is_texture_enabled(ctx, TEXTURE_1D_BIT);
- case GL_TEXTURE_2D:
- return is_texture_enabled(ctx, TEXTURE_2D_BIT);
- case GL_TEXTURE_3D:
- return is_texture_enabled(ctx, TEXTURE_3D_BIT);
- case GL_TEXTURE_GEN_S:
- case GL_TEXTURE_GEN_T:
- case GL_TEXTURE_GEN_R:
- case GL_TEXTURE_GEN_Q:
- {
- const struct gl_texture_unit *texUnit = get_texcoord_unit(ctx);
- if (texUnit) {
- GLbitfield coordBit = S_BIT << (cap - GL_TEXTURE_GEN_S);
- return (texUnit->TexGenEnabled & coordBit) ? GL_TRUE : GL_FALSE;
- }
- }
- return GL_FALSE;
-#if FEATURE_ES1
- case GL_TEXTURE_GEN_STR_OES:
- {
- const struct gl_texture_unit *texUnit = get_texcoord_unit(ctx);
- if (texUnit) {
- return (texUnit->TexGenEnabled & STR_BITS) == STR_BITS
- ? GL_TRUE : GL_FALSE;
- }
- }
-#endif
-
- /*
- * CLIENT STATE!!!
- */
- case GL_VERTEX_ARRAY:
- return (ctx->Array.ArrayObj->Vertex.Enabled != 0);
- case GL_NORMAL_ARRAY:
- return (ctx->Array.ArrayObj->Normal.Enabled != 0);
- case GL_COLOR_ARRAY:
- return (ctx->Array.ArrayObj->Color.Enabled != 0);
- case GL_INDEX_ARRAY:
- return (ctx->Array.ArrayObj->Index.Enabled != 0);
- case GL_TEXTURE_COORD_ARRAY:
- return (ctx->Array.ArrayObj->TexCoord[ctx->Array.ActiveTexture]
- .Enabled != 0);
- case GL_EDGE_FLAG_ARRAY:
- return (ctx->Array.ArrayObj->EdgeFlag.Enabled != 0);
- case GL_FOG_COORDINATE_ARRAY_EXT:
- CHECK_EXTENSION(EXT_fog_coord);
- return (ctx->Array.ArrayObj->FogCoord.Enabled != 0);
- case GL_SECONDARY_COLOR_ARRAY_EXT:
- CHECK_EXTENSION(EXT_secondary_color);
- return (ctx->Array.ArrayObj->SecondaryColor.Enabled != 0);
-#if FEATURE_point_size_array
- case GL_POINT_SIZE_ARRAY_OES:
- return (ctx->Array.ArrayObj->PointSize.Enabled != 0);
-#endif
-
- /* GL_ARB_texture_cube_map */
- case GL_TEXTURE_CUBE_MAP_ARB:
- CHECK_EXTENSION(ARB_texture_cube_map);
- return is_texture_enabled(ctx, TEXTURE_CUBE_BIT);
-
- /* GL_EXT_secondary_color */
- case GL_COLOR_SUM_EXT:
- CHECK_EXTENSION2(EXT_secondary_color, ARB_vertex_program);
- return ctx->Fog.ColorSumEnabled;
-
- /* GL_ARB_multisample */
- case GL_MULTISAMPLE_ARB:
- return ctx->Multisample.Enabled;
- case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB:
- return ctx->Multisample.SampleAlphaToCoverage;
- case GL_SAMPLE_ALPHA_TO_ONE_ARB:
- return ctx->Multisample.SampleAlphaToOne;
- case GL_SAMPLE_COVERAGE_ARB:
- return ctx->Multisample.SampleCoverage;
- case GL_SAMPLE_COVERAGE_INVERT_ARB:
- return ctx->Multisample.SampleCoverageInvert;
-
- /* GL_IBM_rasterpos_clip */
- case GL_RASTER_POSITION_UNCLIPPED_IBM:
- CHECK_EXTENSION(IBM_rasterpos_clip);
- return ctx->Transform.RasterPositionUnclipped;
-
- /* GL_NV_point_sprite */
- case GL_POINT_SPRITE_NV:
- CHECK_EXTENSION2(NV_point_sprite, ARB_point_sprite)
- return ctx->Point.PointSprite;
-
-#if FEATURE_NV_vertex_program || FEATURE_ARB_vertex_program
- case GL_VERTEX_PROGRAM_ARB:
- CHECK_EXTENSION2(ARB_vertex_program, NV_vertex_program);
- return ctx->VertexProgram.Enabled;
- case GL_VERTEX_PROGRAM_POINT_SIZE_ARB:
- CHECK_EXTENSION2(ARB_vertex_program, NV_vertex_program);
- return ctx->VertexProgram.PointSizeEnabled;
- case GL_VERTEX_PROGRAM_TWO_SIDE_ARB:
- CHECK_EXTENSION2(ARB_vertex_program, NV_vertex_program);
- return ctx->VertexProgram.TwoSideEnabled;
-#endif
-#if FEATURE_NV_vertex_program
- case GL_VERTEX_ATTRIB_ARRAY0_NV:
- case GL_VERTEX_ATTRIB_ARRAY1_NV:
- case GL_VERTEX_ATTRIB_ARRAY2_NV:
- case GL_VERTEX_ATTRIB_ARRAY3_NV:
- case GL_VERTEX_ATTRIB_ARRAY4_NV:
- case GL_VERTEX_ATTRIB_ARRAY5_NV:
- case GL_VERTEX_ATTRIB_ARRAY6_NV:
- case GL_VERTEX_ATTRIB_ARRAY7_NV:
- case GL_VERTEX_ATTRIB_ARRAY8_NV:
- case GL_VERTEX_ATTRIB_ARRAY9_NV:
- case GL_VERTEX_ATTRIB_ARRAY10_NV:
- case GL_VERTEX_ATTRIB_ARRAY11_NV:
- case GL_VERTEX_ATTRIB_ARRAY12_NV:
- case GL_VERTEX_ATTRIB_ARRAY13_NV:
- case GL_VERTEX_ATTRIB_ARRAY14_NV:
- case GL_VERTEX_ATTRIB_ARRAY15_NV:
- CHECK_EXTENSION(NV_vertex_program);
- {
- GLint n = (GLint) cap - GL_VERTEX_ATTRIB_ARRAY0_NV;
- ASSERT(n < Elements(ctx->Array.ArrayObj->VertexAttrib));
- return (ctx->Array.ArrayObj->VertexAttrib[n].Enabled != 0);
- }
- case GL_MAP1_VERTEX_ATTRIB0_4_NV:
- case GL_MAP1_VERTEX_ATTRIB1_4_NV:
- case GL_MAP1_VERTEX_ATTRIB2_4_NV:
- case GL_MAP1_VERTEX_ATTRIB3_4_NV:
- case GL_MAP1_VERTEX_ATTRIB4_4_NV:
- case GL_MAP1_VERTEX_ATTRIB5_4_NV:
- case GL_MAP1_VERTEX_ATTRIB6_4_NV:
- case GL_MAP1_VERTEX_ATTRIB7_4_NV:
- case GL_MAP1_VERTEX_ATTRIB8_4_NV:
- case GL_MAP1_VERTEX_ATTRIB9_4_NV:
- case GL_MAP1_VERTEX_ATTRIB10_4_NV:
- case GL_MAP1_VERTEX_ATTRIB11_4_NV:
- case GL_MAP1_VERTEX_ATTRIB12_4_NV:
- case GL_MAP1_VERTEX_ATTRIB13_4_NV:
- case GL_MAP1_VERTEX_ATTRIB14_4_NV:
- case GL_MAP1_VERTEX_ATTRIB15_4_NV:
- CHECK_EXTENSION(NV_vertex_program);
- {
- const GLuint map = (GLuint) (cap - GL_MAP1_VERTEX_ATTRIB0_4_NV);
- return ctx->Eval.Map1Attrib[map];
- }
- case GL_MAP2_VERTEX_ATTRIB0_4_NV:
- case GL_MAP2_VERTEX_ATTRIB1_4_NV:
- case GL_MAP2_VERTEX_ATTRIB2_4_NV:
- case GL_MAP2_VERTEX_ATTRIB3_4_NV:
- case GL_MAP2_VERTEX_ATTRIB4_4_NV:
- case GL_MAP2_VERTEX_ATTRIB5_4_NV:
- case GL_MAP2_VERTEX_ATTRIB6_4_NV:
- case GL_MAP2_VERTEX_ATTRIB7_4_NV:
- case GL_MAP2_VERTEX_ATTRIB8_4_NV:
- case GL_MAP2_VERTEX_ATTRIB9_4_NV:
- case GL_MAP2_VERTEX_ATTRIB10_4_NV:
- case GL_MAP2_VERTEX_ATTRIB11_4_NV:
- case GL_MAP2_VERTEX_ATTRIB12_4_NV:
- case GL_MAP2_VERTEX_ATTRIB13_4_NV:
- case GL_MAP2_VERTEX_ATTRIB14_4_NV:
- case GL_MAP2_VERTEX_ATTRIB15_4_NV:
- CHECK_EXTENSION(NV_vertex_program);
- {
- const GLuint map = (GLuint) (cap - GL_MAP2_VERTEX_ATTRIB0_4_NV);
- return ctx->Eval.Map2Attrib[map];
- }
-#endif /* FEATURE_NV_vertex_program */
-
-#if FEATURE_NV_fragment_program
- case GL_FRAGMENT_PROGRAM_NV:
- CHECK_EXTENSION(NV_fragment_program);
- return ctx->FragmentProgram.Enabled;
-#endif /* FEATURE_NV_fragment_program */
-
- /* GL_NV_texture_rectangle */
- case GL_TEXTURE_RECTANGLE_NV:
- CHECK_EXTENSION(NV_texture_rectangle);
- return is_texture_enabled(ctx, TEXTURE_RECT_BIT);
-
- /* GL_EXT_stencil_two_side */
- case GL_STENCIL_TEST_TWO_SIDE_EXT:
- CHECK_EXTENSION(EXT_stencil_two_side);
- return ctx->Stencil.TestTwoSide;
-
-#if FEATURE_ARB_fragment_program
- case GL_FRAGMENT_PROGRAM_ARB:
- return ctx->FragmentProgram.Enabled;
-#endif /* FEATURE_ARB_fragment_program */
-
- /* GL_EXT_depth_bounds_test */
- case GL_DEPTH_BOUNDS_TEST_EXT:
- CHECK_EXTENSION(EXT_depth_bounds_test);
- return ctx->Depth.BoundsTest;
-
- /* GL_ARB_depth_clamp */
- case GL_DEPTH_CLAMP:
- CHECK_EXTENSION(ARB_depth_clamp);
- return ctx->Transform.DepthClamp;
-
-#if FEATURE_ATI_fragment_shader
- case GL_FRAGMENT_SHADER_ATI:
- CHECK_EXTENSION(ATI_fragment_shader);
- return ctx->ATIFragmentShader.Enabled;
-#endif /* FEATURE_ATI_fragment_shader */
-
- case GL_TEXTURE_CUBE_MAP_SEAMLESS:
- CHECK_EXTENSION(ARB_seamless_cube_map);
- return ctx->Texture.CubeMapSeamless;
-
-#if FEATURE_EXT_transform_feedback
- case GL_RASTERIZER_DISCARD:
- CHECK_EXTENSION(EXT_transform_feedback);
- return ctx->TransformFeedback.RasterDiscard;
-#endif
-
- /* GL_NV_primitive_restart */
- case GL_PRIMITIVE_RESTART_NV:
- if (!ctx->Extensions.NV_primitive_restart) {
- goto invalid_enum_error;
- }
- return ctx->Array.PrimitiveRestart;
-
- /* GL 3.1 primitive restart */
- case GL_PRIMITIVE_RESTART:
- if (ctx->VersionMajor * 10 + ctx->VersionMinor < 31) {
- goto invalid_enum_error;
- }
- return ctx->Array.PrimitiveRestart;
-
- /* GL3.0 - GL_framebuffer_sRGB */
- case GL_FRAMEBUFFER_SRGB_EXT:
- CHECK_EXTENSION(EXT_framebuffer_sRGB);
- return ctx->Color.sRGBEnabled;
-
- default:
- goto invalid_enum_error;
- }
-
- return GL_FALSE;
-
-invalid_enum_error:
- _mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabled(0x%x)", (int) cap);
- return GL_FALSE;
-}
+/**
+ * \file enable.c
+ * Enable/disable/query GL capabilities.
+ */
+
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.0.3
+ *
+ * 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 "clip.h"
+#include "context.h"
+#include "enable.h"
+#include "light.h"
+#include "simple_list.h"
+#include "mfeatures.h"
+#include "mtypes.h"
+#include "enums.h"
+#include "api_arrayelt.h"
+#include "texstate.h"
+
+
+
+#define CHECK_EXTENSION(EXTNAME, CAP) \
+ if (!ctx->Extensions.EXTNAME) { \
+ goto invalid_enum_error; \
+ }
+
+
+/**
+ * Helper to enable/disable client-side state.
+ */
+static void
+client_state(struct gl_context *ctx, GLenum cap, GLboolean state)
+{
+ struct gl_array_object *arrayObj = ctx->Array.ArrayObj;
+ GLuint flag;
+ GLboolean *var;
+
+ switch (cap) {
+ case GL_VERTEX_ARRAY:
+ var = &arrayObj->Vertex.Enabled;
+ flag = _NEW_ARRAY_VERTEX;
+ break;
+ case GL_NORMAL_ARRAY:
+ var = &arrayObj->Normal.Enabled;
+ flag = _NEW_ARRAY_NORMAL;
+ break;
+ case GL_COLOR_ARRAY:
+ var = &arrayObj->Color.Enabled;
+ flag = _NEW_ARRAY_COLOR0;
+ break;
+ case GL_INDEX_ARRAY:
+ var = &arrayObj->Index.Enabled;
+ flag = _NEW_ARRAY_INDEX;
+ break;
+ case GL_TEXTURE_COORD_ARRAY:
+ var = &arrayObj->TexCoord[ctx->Array.ActiveTexture].Enabled;
+ flag = _NEW_ARRAY_TEXCOORD(ctx->Array.ActiveTexture);
+ break;
+ case GL_EDGE_FLAG_ARRAY:
+ var = &arrayObj->EdgeFlag.Enabled;
+ flag = _NEW_ARRAY_EDGEFLAG;
+ break;
+ case GL_FOG_COORDINATE_ARRAY_EXT:
+ var = &arrayObj->FogCoord.Enabled;
+ flag = _NEW_ARRAY_FOGCOORD;
+ break;
+ case GL_SECONDARY_COLOR_ARRAY_EXT:
+ var = &arrayObj->SecondaryColor.Enabled;
+ flag = _NEW_ARRAY_COLOR1;
+ break;
+
+#if FEATURE_point_size_array
+ case GL_POINT_SIZE_ARRAY_OES:
+ var = &arrayObj->PointSize.Enabled;
+ flag = _NEW_ARRAY_POINT_SIZE;
+ break;
+#endif
+
+#if FEATURE_NV_vertex_program
+ case GL_VERTEX_ATTRIB_ARRAY0_NV:
+ case GL_VERTEX_ATTRIB_ARRAY1_NV:
+ case GL_VERTEX_ATTRIB_ARRAY2_NV:
+ case GL_VERTEX_ATTRIB_ARRAY3_NV:
+ case GL_VERTEX_ATTRIB_ARRAY4_NV:
+ case GL_VERTEX_ATTRIB_ARRAY5_NV:
+ case GL_VERTEX_ATTRIB_ARRAY6_NV:
+ case GL_VERTEX_ATTRIB_ARRAY7_NV:
+ case GL_VERTEX_ATTRIB_ARRAY8_NV:
+ case GL_VERTEX_ATTRIB_ARRAY9_NV:
+ case GL_VERTEX_ATTRIB_ARRAY10_NV:
+ case GL_VERTEX_ATTRIB_ARRAY11_NV:
+ case GL_VERTEX_ATTRIB_ARRAY12_NV:
+ case GL_VERTEX_ATTRIB_ARRAY13_NV:
+ case GL_VERTEX_ATTRIB_ARRAY14_NV:
+ case GL_VERTEX_ATTRIB_ARRAY15_NV:
+ CHECK_EXTENSION(NV_vertex_program, cap);
+ {
+ GLint n = (GLint) cap - GL_VERTEX_ATTRIB_ARRAY0_NV;
+ ASSERT(n < Elements(ctx->Array.ArrayObj->VertexAttrib));
+ var = &arrayObj->VertexAttrib[n].Enabled;
+ flag = _NEW_ARRAY_ATTRIB(n);
+ }
+ break;
+#endif /* FEATURE_NV_vertex_program */
+
+ /* GL_NV_primitive_restart */
+ case GL_PRIMITIVE_RESTART_NV:
+ if (!ctx->Extensions.NV_primitive_restart) {
+ goto invalid_enum_error;
+ }
+ var = &ctx->Array.PrimitiveRestart;
+ flag = 0;
+ break;
+
+ default:
+ goto invalid_enum_error;
+ }
+
+ if (*var == state)
+ return;
+
+ FLUSH_VERTICES(ctx, _NEW_ARRAY);
+ ctx->Array.NewState |= flag;
+
+ _ae_invalidate_state(ctx, _NEW_ARRAY);
+
+ *var = state;
+
+ if (state)
+ ctx->Array.ArrayObj->_Enabled |= flag;
+ else
+ ctx->Array.ArrayObj->_Enabled &= ~flag;
+
+ if (ctx->Driver.Enable) {
+ ctx->Driver.Enable( ctx, cap, state );
+ }
+
+ return;
+
+invalid_enum_error:
+ _mesa_error(ctx, GL_INVALID_ENUM, "gl%sClientState(0x%x)",
+ state ? "Enable" : "Disable", cap);
+}
+
+
+/**
+ * Enable GL capability.
+ * \param cap state to enable/disable.
+ *
+ * Get's the current context, assures that we're outside glBegin()/glEnd() and
+ * calls client_state().
+ */
+void GLAPIENTRY
+_mesa_EnableClientState( GLenum cap )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+ client_state( ctx, cap, GL_TRUE );
+}
+
+
+/**
+ * Disable GL capability.
+ * \param cap state to enable/disable.
+ *
+ * Get's the current context, assures that we're outside glBegin()/glEnd() and
+ * calls client_state().
+ */
+void GLAPIENTRY
+_mesa_DisableClientState( GLenum cap )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+ client_state( ctx, cap, GL_FALSE );
+}
+
+
+#undef CHECK_EXTENSION
+#define CHECK_EXTENSION(EXTNAME, CAP) \
+ if (!ctx->Extensions.EXTNAME) { \
+ goto invalid_enum_error; \
+ }
+
+#define CHECK_EXTENSION2(EXT1, EXT2, CAP) \
+ if (!ctx->Extensions.EXT1 && !ctx->Extensions.EXT2) { \
+ goto invalid_enum_error; \
+ }
+
+
+
+/**
+ * Return pointer to current texture unit for setting/getting coordinate
+ * state.
+ * Note that we'll set GL_INVALID_OPERATION and return NULL if the active
+ * texture unit is higher than the number of supported coordinate units.
+ */
+static struct gl_texture_unit *
+get_texcoord_unit(struct gl_context *ctx)
+{
+ if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glEnable/Disable(texcoord unit)");
+ return NULL;
+ }
+ else {
+ return &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ }
+}
+
+
+/**
+ * Helper function to enable or disable a texture target.
+ * \param bit one of the TEXTURE_x_BIT values
+ * \return GL_TRUE if state is changing or GL_FALSE if no change
+ */
+static GLboolean
+enable_texture(struct gl_context *ctx, GLboolean state, GLbitfield texBit)
+{
+ struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
+ const GLbitfield newenabled = state
+ ? (texUnit->Enabled | texBit) : (texUnit->Enabled & ~texBit);
+
+ if (texUnit->Enabled == newenabled)
+ return GL_FALSE;
+
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texUnit->Enabled = newenabled;
+ return GL_TRUE;
+}
+
+
+/**
+ * Helper function to enable or disable state.
+ *
+ * \param ctx GL context.
+ * \param cap the state to enable/disable
+ * \param state whether to enable or disable the specified capability.
+ *
+ * Updates the current context and flushes the vertices as needed. For
+ * capabilities associated with extensions it verifies that those extensions
+ * are effectivly present before updating. Notifies the driver via
+ * dd_function_table::Enable.
+ */
+void
+_mesa_set_enable(struct gl_context *ctx, GLenum cap, GLboolean state)
+{
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "%s %s (newstate is %x)\n",
+ state ? "glEnable" : "glDisable",
+ _mesa_lookup_enum_by_nr(cap),
+ ctx->NewState);
+
+ switch (cap) {
+ case GL_ALPHA_TEST:
+ if (ctx->Color.AlphaEnabled == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_COLOR);
+ ctx->Color.AlphaEnabled = state;
+ break;
+ case GL_AUTO_NORMAL:
+ if (ctx->Eval.AutoNormal == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_EVAL);
+ ctx->Eval.AutoNormal = state;
+ break;
+ case GL_BLEND:
+ {
+ GLbitfield newEnabled =
+ state * ((1 << ctx->Const.MaxDrawBuffers) - 1);
+ if (newEnabled != ctx->Color.BlendEnabled) {
+ FLUSH_VERTICES(ctx, _NEW_COLOR);
+ ctx->Color.BlendEnabled = newEnabled;
+ }
+ }
+ break;
+#if FEATURE_userclip
+ case GL_CLIP_PLANE0:
+ case GL_CLIP_PLANE1:
+ case GL_CLIP_PLANE2:
+ case GL_CLIP_PLANE3:
+ case GL_CLIP_PLANE4:
+ case GL_CLIP_PLANE5:
+ {
+ const GLuint p = cap - GL_CLIP_PLANE0;
+
+ if ((ctx->Transform.ClipPlanesEnabled & (1 << p))
+ == ((GLuint) state << p))
+ return;
+
+ FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
+
+ if (state) {
+ ctx->Transform.ClipPlanesEnabled |= (1 << p);
+ _mesa_update_clip_plane(ctx, p);
+ }
+ else {
+ ctx->Transform.ClipPlanesEnabled &= ~(1 << p);
+ }
+ }
+ break;
+#endif
+ case GL_COLOR_MATERIAL:
+ if (ctx->Light.ColorMaterialEnabled == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_LIGHT);
+ FLUSH_CURRENT(ctx, 0);
+ ctx->Light.ColorMaterialEnabled = state;
+ if (state) {
+ _mesa_update_color_material( ctx,
+ ctx->Current.Attrib[VERT_ATTRIB_COLOR0] );
+ }
+ break;
+ case GL_CULL_FACE:
+ if (ctx->Polygon.CullFlag == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_POLYGON);
+ ctx->Polygon.CullFlag = state;
+ break;
+ case GL_DEPTH_TEST:
+ if (ctx->Depth.Test == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_DEPTH);
+ ctx->Depth.Test = state;
+ break;
+ case GL_DITHER:
+ if (ctx->Color.DitherFlag == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_COLOR);
+ ctx->Color.DitherFlag = state;
+ break;
+ case GL_FOG:
+ if (ctx->Fog.Enabled == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_FOG);
+ ctx->Fog.Enabled = state;
+ break;
+ case GL_LIGHT0:
+ case GL_LIGHT1:
+ case GL_LIGHT2:
+ case GL_LIGHT3:
+ case GL_LIGHT4:
+ case GL_LIGHT5:
+ case GL_LIGHT6:
+ case GL_LIGHT7:
+ if (ctx->Light.Light[cap-GL_LIGHT0].Enabled == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_LIGHT);
+ ctx->Light.Light[cap-GL_LIGHT0].Enabled = state;
+ if (state) {
+ insert_at_tail(&ctx->Light.EnabledList,
+ &ctx->Light.Light[cap-GL_LIGHT0]);
+ }
+ else {
+ remove_from_list(&ctx->Light.Light[cap-GL_LIGHT0]);
+ }
+ break;
+ case GL_LIGHTING:
+ if (ctx->Light.Enabled == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_LIGHT);
+ ctx->Light.Enabled = state;
+ if (ctx->Light.Enabled && ctx->Light.Model.TwoSide)
+ ctx->_TriangleCaps |= DD_TRI_LIGHT_TWOSIDE;
+ else
+ ctx->_TriangleCaps &= ~DD_TRI_LIGHT_TWOSIDE;
+ break;
+ case GL_LINE_SMOOTH:
+ if (ctx->Line.SmoothFlag == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_LINE);
+ ctx->Line.SmoothFlag = state;
+ ctx->_TriangleCaps ^= DD_LINE_SMOOTH;
+ break;
+ case GL_LINE_STIPPLE:
+ if (ctx->Line.StippleFlag == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_LINE);
+ ctx->Line.StippleFlag = state;
+ ctx->_TriangleCaps ^= DD_LINE_STIPPLE;
+ break;
+ case GL_INDEX_LOGIC_OP:
+ if (ctx->Color.IndexLogicOpEnabled == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_COLOR);
+ ctx->Color.IndexLogicOpEnabled = state;
+ break;
+ case GL_COLOR_LOGIC_OP:
+ if (ctx->Color.ColorLogicOpEnabled == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_COLOR);
+ ctx->Color.ColorLogicOpEnabled = state;
+ break;
+ case GL_MAP1_COLOR_4:
+ if (ctx->Eval.Map1Color4 == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_EVAL);
+ ctx->Eval.Map1Color4 = state;
+ break;
+ case GL_MAP1_INDEX:
+ if (ctx->Eval.Map1Index == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_EVAL);
+ ctx->Eval.Map1Index = state;
+ break;
+ case GL_MAP1_NORMAL:
+ if (ctx->Eval.Map1Normal == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_EVAL);
+ ctx->Eval.Map1Normal = state;
+ break;
+ case GL_MAP1_TEXTURE_COORD_1:
+ if (ctx->Eval.Map1TextureCoord1 == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_EVAL);
+ ctx->Eval.Map1TextureCoord1 = state;
+ break;
+ case GL_MAP1_TEXTURE_COORD_2:
+ if (ctx->Eval.Map1TextureCoord2 == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_EVAL);
+ ctx->Eval.Map1TextureCoord2 = state;
+ break;
+ case GL_MAP1_TEXTURE_COORD_3:
+ if (ctx->Eval.Map1TextureCoord3 == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_EVAL);
+ ctx->Eval.Map1TextureCoord3 = state;
+ break;
+ case GL_MAP1_TEXTURE_COORD_4:
+ if (ctx->Eval.Map1TextureCoord4 == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_EVAL);
+ ctx->Eval.Map1TextureCoord4 = state;
+ break;
+ case GL_MAP1_VERTEX_3:
+ if (ctx->Eval.Map1Vertex3 == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_EVAL);
+ ctx->Eval.Map1Vertex3 = state;
+ break;
+ case GL_MAP1_VERTEX_4:
+ if (ctx->Eval.Map1Vertex4 == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_EVAL);
+ ctx->Eval.Map1Vertex4 = state;
+ break;
+ case GL_MAP2_COLOR_4:
+ if (ctx->Eval.Map2Color4 == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_EVAL);
+ ctx->Eval.Map2Color4 = state;
+ break;
+ case GL_MAP2_INDEX:
+ if (ctx->Eval.Map2Index == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_EVAL);
+ ctx->Eval.Map2Index = state;
+ break;
+ case GL_MAP2_NORMAL:
+ if (ctx->Eval.Map2Normal == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_EVAL);
+ ctx->Eval.Map2Normal = state;
+ break;
+ case GL_MAP2_TEXTURE_COORD_1:
+ if (ctx->Eval.Map2TextureCoord1 == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_EVAL);
+ ctx->Eval.Map2TextureCoord1 = state;
+ break;
+ case GL_MAP2_TEXTURE_COORD_2:
+ if (ctx->Eval.Map2TextureCoord2 == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_EVAL);
+ ctx->Eval.Map2TextureCoord2 = state;
+ break;
+ case GL_MAP2_TEXTURE_COORD_3:
+ if (ctx->Eval.Map2TextureCoord3 == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_EVAL);
+ ctx->Eval.Map2TextureCoord3 = state;
+ break;
+ case GL_MAP2_TEXTURE_COORD_4:
+ if (ctx->Eval.Map2TextureCoord4 == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_EVAL);
+ ctx->Eval.Map2TextureCoord4 = state;
+ break;
+ case GL_MAP2_VERTEX_3:
+ if (ctx->Eval.Map2Vertex3 == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_EVAL);
+ ctx->Eval.Map2Vertex3 = state;
+ break;
+ case GL_MAP2_VERTEX_4:
+ if (ctx->Eval.Map2Vertex4 == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_EVAL);
+ ctx->Eval.Map2Vertex4 = state;
+ break;
+ case GL_NORMALIZE:
+ if (ctx->Transform.Normalize == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
+ ctx->Transform.Normalize = state;
+ break;
+ case GL_POINT_SMOOTH:
+ if (ctx->Point.SmoothFlag == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_POINT);
+ ctx->Point.SmoothFlag = state;
+ ctx->_TriangleCaps ^= DD_POINT_SMOOTH;
+ break;
+ case GL_POLYGON_SMOOTH:
+ if (ctx->Polygon.SmoothFlag == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_POLYGON);
+ ctx->Polygon.SmoothFlag = state;
+ ctx->_TriangleCaps ^= DD_TRI_SMOOTH;
+ break;
+ case GL_POLYGON_STIPPLE:
+ if (ctx->Polygon.StippleFlag == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_POLYGON);
+ ctx->Polygon.StippleFlag = state;
+ ctx->_TriangleCaps ^= DD_TRI_STIPPLE;
+ break;
+ case GL_POLYGON_OFFSET_POINT:
+ if (ctx->Polygon.OffsetPoint == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_POLYGON);
+ ctx->Polygon.OffsetPoint = state;
+ break;
+ case GL_POLYGON_OFFSET_LINE:
+ if (ctx->Polygon.OffsetLine == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_POLYGON);
+ ctx->Polygon.OffsetLine = state;
+ break;
+ case GL_POLYGON_OFFSET_FILL:
+ /*case GL_POLYGON_OFFSET_EXT:*/
+ if (ctx->Polygon.OffsetFill == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_POLYGON);
+ ctx->Polygon.OffsetFill = state;
+ break;
+ case GL_RESCALE_NORMAL_EXT:
+ if (ctx->Transform.RescaleNormals == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
+ ctx->Transform.RescaleNormals = state;
+ break;
+ case GL_SCISSOR_TEST:
+ if (ctx->Scissor.Enabled == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_SCISSOR);
+ ctx->Scissor.Enabled = state;
+ break;
+ case GL_SHARED_TEXTURE_PALETTE_EXT:
+ if (ctx->Texture.SharedPalette == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ ctx->Texture.SharedPalette = state;
+ break;
+ case GL_STENCIL_TEST:
+ if (ctx->Stencil.Enabled == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_STENCIL);
+ ctx->Stencil.Enabled = state;
+ break;
+ case GL_TEXTURE_1D:
+ if (!enable_texture(ctx, state, TEXTURE_1D_BIT)) {
+ return;
+ }
+ break;
+ case GL_TEXTURE_2D:
+ if (!enable_texture(ctx, state, TEXTURE_2D_BIT)) {
+ return;
+ }
+ break;
+ case GL_TEXTURE_3D:
+ if (!enable_texture(ctx, state, TEXTURE_3D_BIT)) {
+ return;
+ }
+ break;
+ case GL_TEXTURE_GEN_S:
+ case GL_TEXTURE_GEN_T:
+ case GL_TEXTURE_GEN_R:
+ case GL_TEXTURE_GEN_Q:
+ {
+ struct gl_texture_unit *texUnit = get_texcoord_unit(ctx);
+ if (texUnit) {
+ GLbitfield coordBit = S_BIT << (cap - GL_TEXTURE_GEN_S);
+ GLbitfield newenabled = texUnit->TexGenEnabled & ~coordBit;
+ if (state)
+ newenabled |= coordBit;
+ if (texUnit->TexGenEnabled == newenabled)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texUnit->TexGenEnabled = newenabled;
+ }
+ }
+ break;
+
+#if FEATURE_ES1
+ case GL_TEXTURE_GEN_STR_OES:
+ /* disable S, T, and R at the same time */
+ {
+ struct gl_texture_unit *texUnit = get_texcoord_unit(ctx);
+ if (texUnit) {
+ GLuint newenabled =
+ texUnit->TexGenEnabled & ~STR_BITS;
+ if (state)
+ newenabled |= STR_BITS;
+ if (texUnit->TexGenEnabled == newenabled)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texUnit->TexGenEnabled = newenabled;
+ }
+ }
+ break;
+#endif
+
+ /*
+ * CLIENT STATE!!!
+ */
+ case GL_VERTEX_ARRAY:
+ case GL_NORMAL_ARRAY:
+ case GL_COLOR_ARRAY:
+ case GL_INDEX_ARRAY:
+ case GL_TEXTURE_COORD_ARRAY:
+ case GL_EDGE_FLAG_ARRAY:
+ case GL_FOG_COORDINATE_ARRAY_EXT:
+ case GL_SECONDARY_COLOR_ARRAY_EXT:
+ case GL_POINT_SIZE_ARRAY_OES:
+ client_state( ctx, cap, state );
+ return;
+
+ /* GL_ARB_texture_cube_map */
+ case GL_TEXTURE_CUBE_MAP_ARB:
+ CHECK_EXTENSION(ARB_texture_cube_map, cap);
+ if (!enable_texture(ctx, state, TEXTURE_CUBE_BIT)) {
+ return;
+ }
+ break;
+
+ /* GL_EXT_secondary_color */
+ case GL_COLOR_SUM_EXT:
+ CHECK_EXTENSION2(EXT_secondary_color, ARB_vertex_program, cap);
+ if (ctx->Fog.ColorSumEnabled == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_FOG);
+ ctx->Fog.ColorSumEnabled = state;
+ break;
+
+ /* GL_ARB_multisample */
+ case GL_MULTISAMPLE_ARB:
+ if (ctx->Multisample.Enabled == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE);
+ ctx->Multisample.Enabled = state;
+ break;
+ case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB:
+ if (ctx->Multisample.SampleAlphaToCoverage == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE);
+ ctx->Multisample.SampleAlphaToCoverage = state;
+ break;
+ case GL_SAMPLE_ALPHA_TO_ONE_ARB:
+ if (ctx->Multisample.SampleAlphaToOne == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE);
+ ctx->Multisample.SampleAlphaToOne = state;
+ break;
+ case GL_SAMPLE_COVERAGE_ARB:
+ if (ctx->Multisample.SampleCoverage == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE);
+ ctx->Multisample.SampleCoverage = state;
+ break;
+ case GL_SAMPLE_COVERAGE_INVERT_ARB:
+ if (ctx->Multisample.SampleCoverageInvert == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE);
+ ctx->Multisample.SampleCoverageInvert = state;
+ break;
+
+ /* GL_IBM_rasterpos_clip */
+ case GL_RASTER_POSITION_UNCLIPPED_IBM:
+ CHECK_EXTENSION(IBM_rasterpos_clip, cap);
+ if (ctx->Transform.RasterPositionUnclipped == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
+ ctx->Transform.RasterPositionUnclipped = state;
+ break;
+
+ /* GL_NV_point_sprite */
+ case GL_POINT_SPRITE_NV:
+ CHECK_EXTENSION2(NV_point_sprite, ARB_point_sprite, cap);
+ if (ctx->Point.PointSprite == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_POINT);
+ ctx->Point.PointSprite = state;
+ break;
+
+#if FEATURE_NV_vertex_program || FEATURE_ARB_vertex_program
+ case GL_VERTEX_PROGRAM_ARB:
+ CHECK_EXTENSION2(ARB_vertex_program, NV_vertex_program, cap);
+ if (ctx->VertexProgram.Enabled == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_PROGRAM);
+ ctx->VertexProgram.Enabled = state;
+ break;
+ case GL_VERTEX_PROGRAM_POINT_SIZE_ARB:
+ CHECK_EXTENSION2(ARB_vertex_program, NV_vertex_program, cap);
+ if (ctx->VertexProgram.PointSizeEnabled == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_PROGRAM);
+ ctx->VertexProgram.PointSizeEnabled = state;
+ break;
+ case GL_VERTEX_PROGRAM_TWO_SIDE_ARB:
+ CHECK_EXTENSION2(ARB_vertex_program, NV_vertex_program, cap);
+ if (ctx->VertexProgram.TwoSideEnabled == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_PROGRAM);
+ ctx->VertexProgram.TwoSideEnabled = state;
+ break;
+#endif
+#if FEATURE_NV_vertex_program
+ case GL_MAP1_VERTEX_ATTRIB0_4_NV:
+ case GL_MAP1_VERTEX_ATTRIB1_4_NV:
+ case GL_MAP1_VERTEX_ATTRIB2_4_NV:
+ case GL_MAP1_VERTEX_ATTRIB3_4_NV:
+ case GL_MAP1_VERTEX_ATTRIB4_4_NV:
+ case GL_MAP1_VERTEX_ATTRIB5_4_NV:
+ case GL_MAP1_VERTEX_ATTRIB6_4_NV:
+ case GL_MAP1_VERTEX_ATTRIB7_4_NV:
+ case GL_MAP1_VERTEX_ATTRIB8_4_NV:
+ case GL_MAP1_VERTEX_ATTRIB9_4_NV:
+ case GL_MAP1_VERTEX_ATTRIB10_4_NV:
+ case GL_MAP1_VERTEX_ATTRIB11_4_NV:
+ case GL_MAP1_VERTEX_ATTRIB12_4_NV:
+ case GL_MAP1_VERTEX_ATTRIB13_4_NV:
+ case GL_MAP1_VERTEX_ATTRIB14_4_NV:
+ case GL_MAP1_VERTEX_ATTRIB15_4_NV:
+ CHECK_EXTENSION(NV_vertex_program, cap);
+ {
+ const GLuint map = (GLuint) (cap - GL_MAP1_VERTEX_ATTRIB0_4_NV);
+ FLUSH_VERTICES(ctx, _NEW_EVAL);
+ ctx->Eval.Map1Attrib[map] = state;
+ }
+ break;
+ case GL_MAP2_VERTEX_ATTRIB0_4_NV:
+ case GL_MAP2_VERTEX_ATTRIB1_4_NV:
+ case GL_MAP2_VERTEX_ATTRIB2_4_NV:
+ case GL_MAP2_VERTEX_ATTRIB3_4_NV:
+ case GL_MAP2_VERTEX_ATTRIB4_4_NV:
+ case GL_MAP2_VERTEX_ATTRIB5_4_NV:
+ case GL_MAP2_VERTEX_ATTRIB6_4_NV:
+ case GL_MAP2_VERTEX_ATTRIB7_4_NV:
+ case GL_MAP2_VERTEX_ATTRIB8_4_NV:
+ case GL_MAP2_VERTEX_ATTRIB9_4_NV:
+ case GL_MAP2_VERTEX_ATTRIB10_4_NV:
+ case GL_MAP2_VERTEX_ATTRIB11_4_NV:
+ case GL_MAP2_VERTEX_ATTRIB12_4_NV:
+ case GL_MAP2_VERTEX_ATTRIB13_4_NV:
+ case GL_MAP2_VERTEX_ATTRIB14_4_NV:
+ case GL_MAP2_VERTEX_ATTRIB15_4_NV:
+ CHECK_EXTENSION(NV_vertex_program, cap);
+ {
+ const GLuint map = (GLuint) (cap - GL_MAP2_VERTEX_ATTRIB0_4_NV);
+ FLUSH_VERTICES(ctx, _NEW_EVAL);
+ ctx->Eval.Map2Attrib[map] = state;
+ }
+ break;
+#endif /* FEATURE_NV_vertex_program */
+
+#if FEATURE_NV_fragment_program
+ case GL_FRAGMENT_PROGRAM_NV:
+ CHECK_EXTENSION(NV_fragment_program, cap);
+ if (ctx->FragmentProgram.Enabled == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_PROGRAM);
+ ctx->FragmentProgram.Enabled = state;
+ break;
+#endif /* FEATURE_NV_fragment_program */
+
+ /* GL_NV_texture_rectangle */
+ case GL_TEXTURE_RECTANGLE_NV:
+ CHECK_EXTENSION(NV_texture_rectangle, cap);
+ if (!enable_texture(ctx, state, TEXTURE_RECT_BIT)) {
+ return;
+ }
+ break;
+
+ /* GL_EXT_stencil_two_side */
+ case GL_STENCIL_TEST_TWO_SIDE_EXT:
+ CHECK_EXTENSION(EXT_stencil_two_side, cap);
+ if (ctx->Stencil.TestTwoSide == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_STENCIL);
+ ctx->Stencil.TestTwoSide = state;
+ if (state) {
+ ctx->Stencil._BackFace = 2;
+ ctx->_TriangleCaps |= DD_TRI_TWOSTENCIL;
+ } else {
+ ctx->Stencil._BackFace = 1;
+ ctx->_TriangleCaps &= ~DD_TRI_TWOSTENCIL;
+ }
+ break;
+
+#if FEATURE_ARB_fragment_program
+ case GL_FRAGMENT_PROGRAM_ARB:
+ CHECK_EXTENSION(ARB_fragment_program, cap);
+ if (ctx->FragmentProgram.Enabled == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_PROGRAM);
+ ctx->FragmentProgram.Enabled = state;
+ break;
+#endif /* FEATURE_ARB_fragment_program */
+
+ /* GL_EXT_depth_bounds_test */
+ case GL_DEPTH_BOUNDS_TEST_EXT:
+ CHECK_EXTENSION(EXT_depth_bounds_test, cap);
+ if (ctx->Depth.BoundsTest == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_DEPTH);
+ ctx->Depth.BoundsTest = state;
+ break;
+
+ case GL_DEPTH_CLAMP:
+ if (ctx->Transform.DepthClamp == state)
+ return;
+ CHECK_EXTENSION(ARB_depth_clamp, cap);
+ FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
+ ctx->Transform.DepthClamp = state;
+ break;
+
+#if FEATURE_ATI_fragment_shader
+ case GL_FRAGMENT_SHADER_ATI:
+ CHECK_EXTENSION(ATI_fragment_shader, cap);
+ if (ctx->ATIFragmentShader.Enabled == state)
+ return;
+ FLUSH_VERTICES(ctx, _NEW_PROGRAM);
+ ctx->ATIFragmentShader.Enabled = state;
+ break;
+#endif
+
+ /* GL_MESA_texture_array */
+ case GL_TEXTURE_1D_ARRAY_EXT:
+ CHECK_EXTENSION(MESA_texture_array, cap);
+ if (!enable_texture(ctx, state, TEXTURE_1D_ARRAY_BIT)) {
+ return;
+ }
+ break;
+
+ case GL_TEXTURE_2D_ARRAY_EXT:
+ CHECK_EXTENSION(MESA_texture_array, cap);
+ if (!enable_texture(ctx, state, TEXTURE_2D_ARRAY_BIT)) {
+ return;
+ }
+ break;
+
+ case GL_TEXTURE_CUBE_MAP_SEAMLESS:
+ CHECK_EXTENSION(ARB_seamless_cube_map, cap);
+ if (ctx->Texture.CubeMapSeamless != state) {
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ ctx->Texture.CubeMapSeamless = state;
+ }
+ break;
+
+#if FEATURE_EXT_transform_feedback
+ case GL_RASTERIZER_DISCARD:
+ CHECK_EXTENSION(EXT_transform_feedback, cap);
+ if (ctx->TransformFeedback.RasterDiscard != state) {
+ FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
+ ctx->TransformFeedback.RasterDiscard = state;
+ }
+ break;
+#endif
+
+ /* GL 3.1 primitive restart. Note: this enum is different from
+ * GL_PRIMITIVE_RESTART_NV (which is client state).
+ */
+ case GL_PRIMITIVE_RESTART:
+ if (ctx->VersionMajor * 10 + ctx->VersionMinor < 31) {
+ goto invalid_enum_error;
+ }
+ if (ctx->Array.PrimitiveRestart != state) {
+ FLUSH_VERTICES(ctx, _NEW_TRANSFORM);
+ ctx->Array.PrimitiveRestart = state;
+ }
+ break;
+
+ /* GL3.0 - GL_framebuffer_sRGB */
+ case GL_FRAMEBUFFER_SRGB_EXT:
+ CHECK_EXTENSION(EXT_framebuffer_sRGB, cap);
+ FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+ ctx->Color.sRGBEnabled = state;
+ break;
+
+ default:
+ goto invalid_enum_error;
+ }
+
+ if (ctx->Driver.Enable) {
+ ctx->Driver.Enable( ctx, cap, state );
+ }
+
+ return;
+
+invalid_enum_error:
+ _mesa_error(ctx, GL_INVALID_ENUM, "gl%s(0x%x)",
+ state ? "Enable" : "Disable", cap);
+}
+
+
+/**
+ * Enable GL capability. Called by glEnable()
+ * \param cap state to enable.
+ */
+void GLAPIENTRY
+_mesa_Enable( GLenum cap )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ _mesa_set_enable( ctx, cap, GL_TRUE );
+}
+
+
+/**
+ * Disable GL capability. Called by glDisable()
+ * \param cap state to disable.
+ */
+void GLAPIENTRY
+_mesa_Disable( GLenum cap )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ _mesa_set_enable( ctx, cap, GL_FALSE );
+}
+
+
+
+/**
+ * Enable/disable an indexed state var.
+ */
+void
+_mesa_set_enablei(struct gl_context *ctx, GLenum cap,
+ GLuint index, GLboolean state)
+{
+ ASSERT(state == 0 || state == 1);
+ switch (cap) {
+ case GL_BLEND:
+ if (!ctx->Extensions.EXT_draw_buffers2) {
+ goto invalid_enum_error;
+ }
+ if (index >= ctx->Const.MaxDrawBuffers) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s(index=%u)",
+ state ? "glEnableIndexed" : "glDisableIndexed", index);
+ return;
+ }
+ if (((ctx->Color.BlendEnabled >> index) & 1) != state) {
+ FLUSH_VERTICES(ctx, _NEW_COLOR);
+ if (state)
+ ctx->Color.BlendEnabled |= (1 << index);
+ else
+ ctx->Color.BlendEnabled &= ~(1 << index);
+ }
+ break;
+ default:
+ goto invalid_enum_error;
+ }
+ return;
+
+invalid_enum_error:
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s(cap=%s)",
+ state ? "glEnablei" : "glDisablei",
+ _mesa_lookup_enum_by_nr(cap));
+}
+
+
+void GLAPIENTRY
+_mesa_DisableIndexed( GLenum cap, GLuint index )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+ _mesa_set_enablei(ctx, cap, index, GL_FALSE);
+}
+
+
+void GLAPIENTRY
+_mesa_EnableIndexed( GLenum cap, GLuint index )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+ _mesa_set_enablei(ctx, cap, index, GL_TRUE);
+}
+
+
+GLboolean GLAPIENTRY
+_mesa_IsEnabledIndexed( GLenum cap, GLuint index )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ switch (cap) {
+ case GL_BLEND:
+ if (index >= ctx->Const.MaxDrawBuffers) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glIsEnabledIndexed(index=%u)",
+ index);
+ return GL_FALSE;
+ }
+ return (ctx->Color.BlendEnabled >> index) & 1;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabledIndexed(cap=%s)",
+ _mesa_lookup_enum_by_nr(cap));
+ return GL_FALSE;
+ }
+}
+
+
+
+
+#undef CHECK_EXTENSION
+#define CHECK_EXTENSION(EXTNAME) \
+ if (!ctx->Extensions.EXTNAME) { \
+ goto invalid_enum_error; \
+ }
+
+#undef CHECK_EXTENSION2
+#define CHECK_EXTENSION2(EXT1, EXT2) \
+ if (!ctx->Extensions.EXT1 && !ctx->Extensions.EXT2) { \
+ goto invalid_enum_error; \
+ }
+
+
+/**
+ * Helper function to determine whether a texture target is enabled.
+ */
+static GLboolean
+is_texture_enabled(struct gl_context *ctx, GLbitfield bit)
+{
+ const struct gl_texture_unit *const texUnit =
+ &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ return (texUnit->Enabled & bit) ? GL_TRUE : GL_FALSE;
+}
+
+
+/**
+ * Return simple enable/disable state.
+ *
+ * \param cap state variable to query.
+ *
+ * Returns the state of the specified capability from the current GL context.
+ * For the capabilities associated with extensions verifies that those
+ * extensions are effectively present before reporting.
+ */
+GLboolean GLAPIENTRY
+_mesa_IsEnabled( GLenum cap )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ switch (cap) {
+ case GL_ALPHA_TEST:
+ return ctx->Color.AlphaEnabled;
+ case GL_AUTO_NORMAL:
+ return ctx->Eval.AutoNormal;
+ case GL_BLEND:
+ return ctx->Color.BlendEnabled & 1; /* return state for buffer[0] */
+ case GL_CLIP_PLANE0:
+ case GL_CLIP_PLANE1:
+ case GL_CLIP_PLANE2:
+ case GL_CLIP_PLANE3:
+ case GL_CLIP_PLANE4:
+ case GL_CLIP_PLANE5:
+ return (ctx->Transform.ClipPlanesEnabled >> (cap - GL_CLIP_PLANE0)) & 1;
+ case GL_COLOR_MATERIAL:
+ return ctx->Light.ColorMaterialEnabled;
+ case GL_CULL_FACE:
+ return ctx->Polygon.CullFlag;
+ case GL_DEPTH_TEST:
+ return ctx->Depth.Test;
+ case GL_DITHER:
+ return ctx->Color.DitherFlag;
+ case GL_FOG:
+ return ctx->Fog.Enabled;
+ case GL_LIGHTING:
+ return ctx->Light.Enabled;
+ case GL_LIGHT0:
+ case GL_LIGHT1:
+ case GL_LIGHT2:
+ case GL_LIGHT3:
+ case GL_LIGHT4:
+ case GL_LIGHT5:
+ case GL_LIGHT6:
+ case GL_LIGHT7:
+ return ctx->Light.Light[cap-GL_LIGHT0].Enabled;
+ case GL_LINE_SMOOTH:
+ return ctx->Line.SmoothFlag;
+ case GL_LINE_STIPPLE:
+ return ctx->Line.StippleFlag;
+ case GL_INDEX_LOGIC_OP:
+ return ctx->Color.IndexLogicOpEnabled;
+ case GL_COLOR_LOGIC_OP:
+ return ctx->Color.ColorLogicOpEnabled;
+ case GL_MAP1_COLOR_4:
+ return ctx->Eval.Map1Color4;
+ case GL_MAP1_INDEX:
+ return ctx->Eval.Map1Index;
+ case GL_MAP1_NORMAL:
+ return ctx->Eval.Map1Normal;
+ case GL_MAP1_TEXTURE_COORD_1:
+ return ctx->Eval.Map1TextureCoord1;
+ case GL_MAP1_TEXTURE_COORD_2:
+ return ctx->Eval.Map1TextureCoord2;
+ case GL_MAP1_TEXTURE_COORD_3:
+ return ctx->Eval.Map1TextureCoord3;
+ case GL_MAP1_TEXTURE_COORD_4:
+ return ctx->Eval.Map1TextureCoord4;
+ case GL_MAP1_VERTEX_3:
+ return ctx->Eval.Map1Vertex3;
+ case GL_MAP1_VERTEX_4:
+ return ctx->Eval.Map1Vertex4;
+ case GL_MAP2_COLOR_4:
+ return ctx->Eval.Map2Color4;
+ case GL_MAP2_INDEX:
+ return ctx->Eval.Map2Index;
+ case GL_MAP2_NORMAL:
+ return ctx->Eval.Map2Normal;
+ case GL_MAP2_TEXTURE_COORD_1:
+ return ctx->Eval.Map2TextureCoord1;
+ case GL_MAP2_TEXTURE_COORD_2:
+ return ctx->Eval.Map2TextureCoord2;
+ case GL_MAP2_TEXTURE_COORD_3:
+ return ctx->Eval.Map2TextureCoord3;
+ case GL_MAP2_TEXTURE_COORD_4:
+ return ctx->Eval.Map2TextureCoord4;
+ case GL_MAP2_VERTEX_3:
+ return ctx->Eval.Map2Vertex3;
+ case GL_MAP2_VERTEX_4:
+ return ctx->Eval.Map2Vertex4;
+ case GL_NORMALIZE:
+ return ctx->Transform.Normalize;
+ case GL_POINT_SMOOTH:
+ return ctx->Point.SmoothFlag;
+ case GL_POLYGON_SMOOTH:
+ return ctx->Polygon.SmoothFlag;
+ case GL_POLYGON_STIPPLE:
+ return ctx->Polygon.StippleFlag;
+ case GL_POLYGON_OFFSET_POINT:
+ return ctx->Polygon.OffsetPoint;
+ case GL_POLYGON_OFFSET_LINE:
+ return ctx->Polygon.OffsetLine;
+ case GL_POLYGON_OFFSET_FILL:
+ /*case GL_POLYGON_OFFSET_EXT:*/
+ return ctx->Polygon.OffsetFill;
+ case GL_RESCALE_NORMAL_EXT:
+ return ctx->Transform.RescaleNormals;
+ case GL_SCISSOR_TEST:
+ return ctx->Scissor.Enabled;
+ case GL_SHARED_TEXTURE_PALETTE_EXT:
+ return ctx->Texture.SharedPalette;
+ case GL_STENCIL_TEST:
+ return ctx->Stencil.Enabled;
+ case GL_TEXTURE_1D:
+ return is_texture_enabled(ctx, TEXTURE_1D_BIT);
+ case GL_TEXTURE_2D:
+ return is_texture_enabled(ctx, TEXTURE_2D_BIT);
+ case GL_TEXTURE_3D:
+ return is_texture_enabled(ctx, TEXTURE_3D_BIT);
+ case GL_TEXTURE_GEN_S:
+ case GL_TEXTURE_GEN_T:
+ case GL_TEXTURE_GEN_R:
+ case GL_TEXTURE_GEN_Q:
+ {
+ const struct gl_texture_unit *texUnit = get_texcoord_unit(ctx);
+ if (texUnit) {
+ GLbitfield coordBit = S_BIT << (cap - GL_TEXTURE_GEN_S);
+ return (texUnit->TexGenEnabled & coordBit) ? GL_TRUE : GL_FALSE;
+ }
+ }
+ return GL_FALSE;
+#if FEATURE_ES1
+ case GL_TEXTURE_GEN_STR_OES:
+ {
+ const struct gl_texture_unit *texUnit = get_texcoord_unit(ctx);
+ if (texUnit) {
+ return (texUnit->TexGenEnabled & STR_BITS) == STR_BITS
+ ? GL_TRUE : GL_FALSE;
+ }
+ }
+#endif
+
+ /*
+ * CLIENT STATE!!!
+ */
+ case GL_VERTEX_ARRAY:
+ return (ctx->Array.ArrayObj->Vertex.Enabled != 0);
+ case GL_NORMAL_ARRAY:
+ return (ctx->Array.ArrayObj->Normal.Enabled != 0);
+ case GL_COLOR_ARRAY:
+ return (ctx->Array.ArrayObj->Color.Enabled != 0);
+ case GL_INDEX_ARRAY:
+ return (ctx->Array.ArrayObj->Index.Enabled != 0);
+ case GL_TEXTURE_COORD_ARRAY:
+ return (ctx->Array.ArrayObj->TexCoord[ctx->Array.ActiveTexture]
+ .Enabled != 0);
+ case GL_EDGE_FLAG_ARRAY:
+ return (ctx->Array.ArrayObj->EdgeFlag.Enabled != 0);
+ case GL_FOG_COORDINATE_ARRAY_EXT:
+ CHECK_EXTENSION(EXT_fog_coord);
+ return (ctx->Array.ArrayObj->FogCoord.Enabled != 0);
+ case GL_SECONDARY_COLOR_ARRAY_EXT:
+ CHECK_EXTENSION(EXT_secondary_color);
+ return (ctx->Array.ArrayObj->SecondaryColor.Enabled != 0);
+#if FEATURE_point_size_array
+ case GL_POINT_SIZE_ARRAY_OES:
+ return (ctx->Array.ArrayObj->PointSize.Enabled != 0);
+#endif
+
+ /* GL_ARB_texture_cube_map */
+ case GL_TEXTURE_CUBE_MAP_ARB:
+ CHECK_EXTENSION(ARB_texture_cube_map);
+ return is_texture_enabled(ctx, TEXTURE_CUBE_BIT);
+
+ /* GL_EXT_secondary_color */
+ case GL_COLOR_SUM_EXT:
+ CHECK_EXTENSION2(EXT_secondary_color, ARB_vertex_program);
+ return ctx->Fog.ColorSumEnabled;
+
+ /* GL_ARB_multisample */
+ case GL_MULTISAMPLE_ARB:
+ return ctx->Multisample.Enabled;
+ case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB:
+ return ctx->Multisample.SampleAlphaToCoverage;
+ case GL_SAMPLE_ALPHA_TO_ONE_ARB:
+ return ctx->Multisample.SampleAlphaToOne;
+ case GL_SAMPLE_COVERAGE_ARB:
+ return ctx->Multisample.SampleCoverage;
+ case GL_SAMPLE_COVERAGE_INVERT_ARB:
+ return ctx->Multisample.SampleCoverageInvert;
+
+ /* GL_IBM_rasterpos_clip */
+ case GL_RASTER_POSITION_UNCLIPPED_IBM:
+ CHECK_EXTENSION(IBM_rasterpos_clip);
+ return ctx->Transform.RasterPositionUnclipped;
+
+ /* GL_NV_point_sprite */
+ case GL_POINT_SPRITE_NV:
+ CHECK_EXTENSION2(NV_point_sprite, ARB_point_sprite)
+ return ctx->Point.PointSprite;
+
+#if FEATURE_NV_vertex_program || FEATURE_ARB_vertex_program
+ case GL_VERTEX_PROGRAM_ARB:
+ CHECK_EXTENSION2(ARB_vertex_program, NV_vertex_program);
+ return ctx->VertexProgram.Enabled;
+ case GL_VERTEX_PROGRAM_POINT_SIZE_ARB:
+ CHECK_EXTENSION2(ARB_vertex_program, NV_vertex_program);
+ return ctx->VertexProgram.PointSizeEnabled;
+ case GL_VERTEX_PROGRAM_TWO_SIDE_ARB:
+ CHECK_EXTENSION2(ARB_vertex_program, NV_vertex_program);
+ return ctx->VertexProgram.TwoSideEnabled;
+#endif
+#if FEATURE_NV_vertex_program
+ case GL_VERTEX_ATTRIB_ARRAY0_NV:
+ case GL_VERTEX_ATTRIB_ARRAY1_NV:
+ case GL_VERTEX_ATTRIB_ARRAY2_NV:
+ case GL_VERTEX_ATTRIB_ARRAY3_NV:
+ case GL_VERTEX_ATTRIB_ARRAY4_NV:
+ case GL_VERTEX_ATTRIB_ARRAY5_NV:
+ case GL_VERTEX_ATTRIB_ARRAY6_NV:
+ case GL_VERTEX_ATTRIB_ARRAY7_NV:
+ case GL_VERTEX_ATTRIB_ARRAY8_NV:
+ case GL_VERTEX_ATTRIB_ARRAY9_NV:
+ case GL_VERTEX_ATTRIB_ARRAY10_NV:
+ case GL_VERTEX_ATTRIB_ARRAY11_NV:
+ case GL_VERTEX_ATTRIB_ARRAY12_NV:
+ case GL_VERTEX_ATTRIB_ARRAY13_NV:
+ case GL_VERTEX_ATTRIB_ARRAY14_NV:
+ case GL_VERTEX_ATTRIB_ARRAY15_NV:
+ CHECK_EXTENSION(NV_vertex_program);
+ {
+ GLint n = (GLint) cap - GL_VERTEX_ATTRIB_ARRAY0_NV;
+ ASSERT(n < Elements(ctx->Array.ArrayObj->VertexAttrib));
+ return (ctx->Array.ArrayObj->VertexAttrib[n].Enabled != 0);
+ }
+ case GL_MAP1_VERTEX_ATTRIB0_4_NV:
+ case GL_MAP1_VERTEX_ATTRIB1_4_NV:
+ case GL_MAP1_VERTEX_ATTRIB2_4_NV:
+ case GL_MAP1_VERTEX_ATTRIB3_4_NV:
+ case GL_MAP1_VERTEX_ATTRIB4_4_NV:
+ case GL_MAP1_VERTEX_ATTRIB5_4_NV:
+ case GL_MAP1_VERTEX_ATTRIB6_4_NV:
+ case GL_MAP1_VERTEX_ATTRIB7_4_NV:
+ case GL_MAP1_VERTEX_ATTRIB8_4_NV:
+ case GL_MAP1_VERTEX_ATTRIB9_4_NV:
+ case GL_MAP1_VERTEX_ATTRIB10_4_NV:
+ case GL_MAP1_VERTEX_ATTRIB11_4_NV:
+ case GL_MAP1_VERTEX_ATTRIB12_4_NV:
+ case GL_MAP1_VERTEX_ATTRIB13_4_NV:
+ case GL_MAP1_VERTEX_ATTRIB14_4_NV:
+ case GL_MAP1_VERTEX_ATTRIB15_4_NV:
+ CHECK_EXTENSION(NV_vertex_program);
+ {
+ const GLuint map = (GLuint) (cap - GL_MAP1_VERTEX_ATTRIB0_4_NV);
+ return ctx->Eval.Map1Attrib[map];
+ }
+ case GL_MAP2_VERTEX_ATTRIB0_4_NV:
+ case GL_MAP2_VERTEX_ATTRIB1_4_NV:
+ case GL_MAP2_VERTEX_ATTRIB2_4_NV:
+ case GL_MAP2_VERTEX_ATTRIB3_4_NV:
+ case GL_MAP2_VERTEX_ATTRIB4_4_NV:
+ case GL_MAP2_VERTEX_ATTRIB5_4_NV:
+ case GL_MAP2_VERTEX_ATTRIB6_4_NV:
+ case GL_MAP2_VERTEX_ATTRIB7_4_NV:
+ case GL_MAP2_VERTEX_ATTRIB8_4_NV:
+ case GL_MAP2_VERTEX_ATTRIB9_4_NV:
+ case GL_MAP2_VERTEX_ATTRIB10_4_NV:
+ case GL_MAP2_VERTEX_ATTRIB11_4_NV:
+ case GL_MAP2_VERTEX_ATTRIB12_4_NV:
+ case GL_MAP2_VERTEX_ATTRIB13_4_NV:
+ case GL_MAP2_VERTEX_ATTRIB14_4_NV:
+ case GL_MAP2_VERTEX_ATTRIB15_4_NV:
+ CHECK_EXTENSION(NV_vertex_program);
+ {
+ const GLuint map = (GLuint) (cap - GL_MAP2_VERTEX_ATTRIB0_4_NV);
+ return ctx->Eval.Map2Attrib[map];
+ }
+#endif /* FEATURE_NV_vertex_program */
+
+#if FEATURE_NV_fragment_program
+ case GL_FRAGMENT_PROGRAM_NV:
+ CHECK_EXTENSION(NV_fragment_program);
+ return ctx->FragmentProgram.Enabled;
+#endif /* FEATURE_NV_fragment_program */
+
+ /* GL_NV_texture_rectangle */
+ case GL_TEXTURE_RECTANGLE_NV:
+ CHECK_EXTENSION(NV_texture_rectangle);
+ return is_texture_enabled(ctx, TEXTURE_RECT_BIT);
+
+ /* GL_EXT_stencil_two_side */
+ case GL_STENCIL_TEST_TWO_SIDE_EXT:
+ CHECK_EXTENSION(EXT_stencil_two_side);
+ return ctx->Stencil.TestTwoSide;
+
+#if FEATURE_ARB_fragment_program
+ case GL_FRAGMENT_PROGRAM_ARB:
+ return ctx->FragmentProgram.Enabled;
+#endif /* FEATURE_ARB_fragment_program */
+
+ /* GL_EXT_depth_bounds_test */
+ case GL_DEPTH_BOUNDS_TEST_EXT:
+ CHECK_EXTENSION(EXT_depth_bounds_test);
+ return ctx->Depth.BoundsTest;
+
+ /* GL_ARB_depth_clamp */
+ case GL_DEPTH_CLAMP:
+ CHECK_EXTENSION(ARB_depth_clamp);
+ return ctx->Transform.DepthClamp;
+
+#if FEATURE_ATI_fragment_shader
+ case GL_FRAGMENT_SHADER_ATI:
+ CHECK_EXTENSION(ATI_fragment_shader);
+ return ctx->ATIFragmentShader.Enabled;
+#endif /* FEATURE_ATI_fragment_shader */
+
+ case GL_TEXTURE_CUBE_MAP_SEAMLESS:
+ CHECK_EXTENSION(ARB_seamless_cube_map);
+ return ctx->Texture.CubeMapSeamless;
+
+#if FEATURE_EXT_transform_feedback
+ case GL_RASTERIZER_DISCARD:
+ CHECK_EXTENSION(EXT_transform_feedback);
+ return ctx->TransformFeedback.RasterDiscard;
+#endif
+
+ /* GL_NV_primitive_restart */
+ case GL_PRIMITIVE_RESTART_NV:
+ if (!ctx->Extensions.NV_primitive_restart) {
+ goto invalid_enum_error;
+ }
+ return ctx->Array.PrimitiveRestart;
+
+ /* GL 3.1 primitive restart */
+ case GL_PRIMITIVE_RESTART:
+ if (ctx->VersionMajor * 10 + ctx->VersionMinor < 31) {
+ goto invalid_enum_error;
+ }
+ return ctx->Array.PrimitiveRestart;
+
+ /* GL3.0 - GL_framebuffer_sRGB */
+ case GL_FRAMEBUFFER_SRGB_EXT:
+ CHECK_EXTENSION(EXT_framebuffer_sRGB);
+ return ctx->Color.sRGBEnabled;
+
+ default:
+ goto invalid_enum_error;
+ }
+
+ return GL_FALSE;
+
+invalid_enum_error:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabled(0x%x)", (int) cap);
+ return GL_FALSE;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 05:38:39 +0000