diff options
Diffstat (limited to 'mesalib/src/mesa/main/enable.c')
| -rw-r--r-- | mesalib/src/mesa/main/enable.c | 2988 |
1 files changed, 1487 insertions, 1501 deletions
diff --git a/mesalib/src/mesa/main/enable.c b/mesalib/src/mesa/main/enable.c index 231278bee..f24709241 100644 --- a/mesalib/src/mesa/main/enable.c +++ b/mesalib/src/mesa/main/enable.c @@ -1,1501 +1,1487 @@ -/**
- * \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 "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 if the active texture unit is
- * higher than the number of supported coordinate units. And we'll return NULL.
- */
-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);
-
- if (_math_matrix_is_dirty(ctx->ProjectionMatrixStack.Top))
- _math_matrix_analyse( ctx->ProjectionMatrixStack.Top );
-
- /* This derived state also calculated in clip.c and
- * from _mesa_update_state() on changes to EyeUserPlane
- * and ctx->ProjectionMatrix respectively.
- */
- _mesa_transform_vector( ctx->Transform._ClipUserPlane[p],
- ctx->Transform.EyeUserPlane[p],
- ctx->ProjectionMatrixStack.Top->inv );
- }
- 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_Q:
- {
- struct gl_texture_unit *texUnit = get_texcoord_unit(ctx);
- if (texUnit) {
- GLuint newenabled = texUnit->TexGenEnabled & ~Q_BIT;
- if (state)
- newenabled |= Q_BIT;
- if (texUnit->TexGenEnabled == newenabled)
- return;
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texUnit->TexGenEnabled = newenabled;
- }
- }
- break;
- case GL_TEXTURE_GEN_R:
- {
- struct gl_texture_unit *texUnit = get_texcoord_unit(ctx);
- if (texUnit) {
- GLuint newenabled = texUnit->TexGenEnabled & ~R_BIT;
- if (state)
- newenabled |= R_BIT;
- if (texUnit->TexGenEnabled == newenabled)
- return;
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texUnit->TexGenEnabled = newenabled;
- }
- }
- break;
- case GL_TEXTURE_GEN_S:
- {
- struct gl_texture_unit *texUnit = get_texcoord_unit(ctx);
- if (texUnit) {
- GLuint newenabled = texUnit->TexGenEnabled & ~S_BIT;
- if (state)
- newenabled |= S_BIT;
- if (texUnit->TexGenEnabled == newenabled)
- return;
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texUnit->TexGenEnabled = newenabled;
- }
- }
- break;
- case GL_TEXTURE_GEN_T:
- {
- struct gl_texture_unit *texUnit = get_texcoord_unit(ctx);
- if (texUnit) {
- GLuint newenabled = texUnit->TexGenEnabled & ~T_BIT;
- if (state)
- newenabled |= T_BIT;
- 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_SGI_texture_color_table */
- case GL_TEXTURE_COLOR_TABLE_SGI:
- CHECK_EXTENSION(SGI_texture_color_table, cap);
- if (ctx->Texture.Unit[ctx->Texture.CurrentUnit].ColorTableEnabled == state)
- return;
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- ctx->Texture.Unit[ctx->Texture.CurrentUnit].ColorTableEnabled = state;
- break;
-
- /* 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_Q:
- {
- const struct gl_texture_unit *texUnit = get_texcoord_unit(ctx);
- if (texUnit) {
- return (texUnit->TexGenEnabled & Q_BIT) ? GL_TRUE : GL_FALSE;
- }
- }
- return GL_FALSE;
- case GL_TEXTURE_GEN_R:
- {
- const struct gl_texture_unit *texUnit = get_texcoord_unit(ctx);
- if (texUnit) {
- return (texUnit->TexGenEnabled & R_BIT) ? GL_TRUE : GL_FALSE;
- }
- }
- return GL_FALSE;
- case GL_TEXTURE_GEN_S:
- {
- const struct gl_texture_unit *texUnit = get_texcoord_unit(ctx);
- if (texUnit) {
- return (texUnit->TexGenEnabled & S_BIT) ? GL_TRUE : GL_FALSE;
- }
- }
- return GL_FALSE;
- case GL_TEXTURE_GEN_T:
- {
- const struct gl_texture_unit *texUnit = get_texcoord_unit(ctx);
- if (texUnit) {
- return (texUnit->TexGenEnabled & T_BIT) ? 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_SGI_texture_color_table */
- case GL_TEXTURE_COLOR_TABLE_SGI:
- CHECK_EXTENSION(SGI_texture_color_table);
- return ctx->Texture.Unit[ctx->Texture.CurrentUnit].ColorTableEnabled;
-
- /* 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 "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 if the active texture unit is + * higher than the number of supported coordinate units. And we'll return NULL. + */ +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); + + if (_math_matrix_is_dirty(ctx->ProjectionMatrixStack.Top)) + _math_matrix_analyse( ctx->ProjectionMatrixStack.Top ); + + /* This derived state also calculated in clip.c and + * from _mesa_update_state() on changes to EyeUserPlane + * and ctx->ProjectionMatrix respectively. + */ + _mesa_transform_vector( ctx->Transform._ClipUserPlane[p], + ctx->Transform.EyeUserPlane[p], + ctx->ProjectionMatrixStack.Top->inv ); + } + 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_Q: + { + struct gl_texture_unit *texUnit = get_texcoord_unit(ctx); + if (texUnit) { + GLuint newenabled = texUnit->TexGenEnabled & ~Q_BIT; + if (state) + newenabled |= Q_BIT; + if (texUnit->TexGenEnabled == newenabled) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->TexGenEnabled = newenabled; + } + } + break; + case GL_TEXTURE_GEN_R: + { + struct gl_texture_unit *texUnit = get_texcoord_unit(ctx); + if (texUnit) { + GLuint newenabled = texUnit->TexGenEnabled & ~R_BIT; + if (state) + newenabled |= R_BIT; + if (texUnit->TexGenEnabled == newenabled) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->TexGenEnabled = newenabled; + } + } + break; + case GL_TEXTURE_GEN_S: + { + struct gl_texture_unit *texUnit = get_texcoord_unit(ctx); + if (texUnit) { + GLuint newenabled = texUnit->TexGenEnabled & ~S_BIT; + if (state) + newenabled |= S_BIT; + if (texUnit->TexGenEnabled == newenabled) + return; + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + texUnit->TexGenEnabled = newenabled; + } + } + break; + case GL_TEXTURE_GEN_T: + { + struct gl_texture_unit *texUnit = get_texcoord_unit(ctx); + if (texUnit) { + GLuint newenabled = texUnit->TexGenEnabled & ~T_BIT; + if (state) + newenabled |= T_BIT; + 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_Q: + { + const struct gl_texture_unit *texUnit = get_texcoord_unit(ctx); + if (texUnit) { + return (texUnit->TexGenEnabled & Q_BIT) ? GL_TRUE : GL_FALSE; + } + } + return GL_FALSE; + case GL_TEXTURE_GEN_R: + { + const struct gl_texture_unit *texUnit = get_texcoord_unit(ctx); + if (texUnit) { + return (texUnit->TexGenEnabled & R_BIT) ? GL_TRUE : GL_FALSE; + } + } + return GL_FALSE; + case GL_TEXTURE_GEN_S: + { + const struct gl_texture_unit *texUnit = get_texcoord_unit(ctx); + if (texUnit) { + return (texUnit->TexGenEnabled & S_BIT) ? GL_TRUE : GL_FALSE; + } + } + return GL_FALSE; + case GL_TEXTURE_GEN_T: + { + const struct gl_texture_unit *texUnit = get_texcoord_unit(ctx); + if (texUnit) { + return (texUnit->TexGenEnabled & T_BIT) ? 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; +} |