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/* $Id: enable.c,v 1.1 2003-02-28 11:42:00 pj Exp $ */
/*
* Mesa 3-D graphics library
* Version: 4.1
*
* Copyright (C) 1999-2002 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "glheader.h"
#include "context.h"
#include "enable.h"
#include "light.h"
#include "macros.h"
#include "mmath.h"
#include "simple_list.h"
#include "mtypes.h"
#include "enums.h"
#include "math/m_matrix.h"
#include "math/m_xform.h"
#define CHECK_EXTENSION(EXTNAME, CAP) \
if (!ctx->Extensions.EXTNAME) { \
_mesa_error(ctx, GL_INVALID_ENUM, "gl%sClientState(0x%x)", \
state ? "Enable" : "Disable", CAP); \
return; \
}
static void
client_state( GLcontext *ctx, GLenum cap, GLboolean state )
{
GLuint flag;
GLuint *var;
switch (cap) {
case GL_VERTEX_ARRAY:
var = &ctx->Array.Vertex.Enabled;
flag = _NEW_ARRAY_VERTEX;
break;
case GL_NORMAL_ARRAY:
var = &ctx->Array.Normal.Enabled;
flag = _NEW_ARRAY_NORMAL;
break;
case GL_COLOR_ARRAY:
var = &ctx->Array.Color.Enabled;
flag = _NEW_ARRAY_COLOR0;
break;
case GL_INDEX_ARRAY:
var = &ctx->Array.Index.Enabled;
flag = _NEW_ARRAY_INDEX;
break;
case GL_TEXTURE_COORD_ARRAY:
var = &ctx->Array.TexCoord[ctx->Array.ActiveTexture].Enabled;
flag = _NEW_ARRAY_TEXCOORD(ctx->Array.ActiveTexture);
break;
case GL_EDGE_FLAG_ARRAY:
var = &ctx->Array.EdgeFlag.Enabled;
flag = _NEW_ARRAY_EDGEFLAG;
break;
case GL_FOG_COORDINATE_ARRAY_EXT:
var = &ctx->Array.FogCoord.Enabled;
flag = _NEW_ARRAY_FOGCOORD;
break;
case GL_SECONDARY_COLOR_ARRAY_EXT:
var = &ctx->Array.SecondaryColor.Enabled;
flag = _NEW_ARRAY_COLOR1;
break;
#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;
var = &ctx->Array.VertexAttrib[n].Enabled;
flag = _NEW_ARRAY_ATTRIB(n);
}
break;
#endif /* FEATURE_NV_vertex_program */
default:
_mesa_error( ctx, GL_INVALID_ENUM,
"glEnable/DisableClientState(0x%x)", cap);
return;
}
if (*var == state)
return;
FLUSH_VERTICES(ctx, _NEW_ARRAY);
ctx->Array.NewState |= flag;
*var = state;
if (state)
ctx->Array._Enabled |= flag;
else
ctx->Array._Enabled &= ~flag;
if (ctx->Driver.Enable) {
(*ctx->Driver.Enable)( ctx, cap, state );
}
}
void
_mesa_EnableClientState( GLenum cap )
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
client_state( ctx, cap, GL_TRUE );
}
void
_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) { \
_mesa_error(ctx, GL_INVALID_ENUM, "gl%s(0x%x)", \
state ? "Enable" : "Disable", CAP); \
return; \
}
/*
* Perform glEnable and glDisable calls.
*/
void _mesa_set_enable( GLcontext *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:
if (ctx->Color.BlendEnabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_COLOR);
ctx->Color.BlendEnabled = state;
/* The following needed to accomodate 1.0 RGB logic op blending */
ctx->Color.ColorLogicOpEnabled =
(ctx->Color.BlendEquation == GL_LOGIC_OP && state);
break;
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 (ctx->ProjectionMatrixStack.Top->flags & MAT_DIRTY)
_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;
case GL_COLOR_MATERIAL:
if (ctx->Light.ColorMaterialEnabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_LIGHT);
ctx->Light.ColorMaterialEnabled = state;
if (state) {
FLUSH_CURRENT(ctx, 0);
_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 (state && ctx->Visual.depthBits==0) {
_mesa_warning(ctx,"glEnable(GL_DEPTH_TEST) but no depth buffer");
return;
}
if (ctx->Depth.Test==state)
return;
FLUSH_VERTICES(ctx, _NEW_DEPTH);
ctx->Depth.Test = state;
break;
case GL_DITHER:
if (ctx->NoDither) {
state = GL_FALSE; /* MESA_NO_DITHER env var */
}
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_HISTOGRAM:
CHECK_EXTENSION(EXT_histogram, cap);
if (ctx->Pixel.HistogramEnabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_PIXEL);
ctx->Pixel.HistogramEnabled = 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;
if ((ctx->Light.Enabled &&
ctx->Light.Model.ColorControl==GL_SEPARATE_SPECULAR_COLOR)
|| ctx->Fog.ColorSumEnabled)
ctx->_TriangleCaps |= DD_SEPARATE_SPECULAR;
else
ctx->_TriangleCaps &= ~DD_SEPARATE_SPECULAR;
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_MINMAX:
if (ctx->Pixel.MinMaxEnabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_PIXEL);
ctx->Pixel.MinMaxEnabled = 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 (state && ctx->Visual.stencilBits==0) {
_mesa_warning(ctx,
"glEnable(GL_STENCIL_TEST) but no stencil buffer");
return;
}
if (ctx->Stencil.Enabled==state)
return;
FLUSH_VERTICES(ctx, _NEW_STENCIL);
ctx->Stencil.Enabled = state;
break;
case GL_TEXTURE_1D: {
const GLuint curr = ctx->Texture.CurrentUnit;
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[curr];
GLuint newenabled = texUnit->Enabled & ~TEXTURE_1D_BIT;
if (state)
newenabled |= TEXTURE_1D_BIT;
if (!ctx->Visual.rgbMode || texUnit->Enabled == newenabled)
return;
FLUSH_VERTICES(ctx, _NEW_TEXTURE);
texUnit->Enabled = newenabled;
break;
}
case GL_TEXTURE_2D: {
const GLuint curr = ctx->Texture.CurrentUnit;
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[curr];
GLuint newenabled = texUnit->Enabled & ~TEXTURE_2D_BIT;
if (state)
newenabled |= TEXTURE_2D_BIT;
if (!ctx->Visual.rgbMode || texUnit->Enabled == newenabled)
return;
FLUSH_VERTICES(ctx, _NEW_TEXTURE);
texUnit->Enabled = newenabled;
break;
}
case GL_TEXTURE_3D: {
const GLuint curr = ctx->Texture.CurrentUnit;
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[curr];
GLuint newenabled = texUnit->Enabled & ~TEXTURE_3D_BIT;
if (state)
newenabled |= TEXTURE_3D_BIT;
if (!ctx->Visual.rgbMode || texUnit->Enabled == newenabled)
return;
FLUSH_VERTICES(ctx, _NEW_TEXTURE);
texUnit->Enabled = newenabled;
break;
}
case GL_TEXTURE_GEN_Q: {
GLuint unit = ctx->Texture.CurrentUnit;
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
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: {
GLuint unit = ctx->Texture.CurrentUnit;
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
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;
}
break;
case GL_TEXTURE_GEN_S: {
GLuint unit = ctx->Texture.CurrentUnit;
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
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;
}
break;
case GL_TEXTURE_GEN_T: {
GLuint unit = ctx->Texture.CurrentUnit;
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
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;
}
break;
/*
* 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:
client_state( ctx, cap, state );
return;
/* GL_HP_occlusion_test */
case GL_OCCLUSION_TEST_HP:
CHECK_EXTENSION(HP_occlusion_test, cap);
if (ctx->Depth.OcclusionTest == state)
return;
FLUSH_VERTICES(ctx, _NEW_DEPTH);
ctx->Depth.OcclusionTest = state;
if (state)
ctx->OcclusionResult = ctx->OcclusionResultSaved;
else
ctx->OcclusionResultSaved = ctx->OcclusionResult;
break;
/* GL_SGIS_pixel_texture */
case GL_PIXEL_TEXTURE_SGIS:
CHECK_EXTENSION(SGIS_pixel_texture, cap);
if (ctx->Pixel.PixelTextureEnabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_PIXEL);
ctx->Pixel.PixelTextureEnabled = state;
break;
/* GL_SGIX_pixel_texture */
case GL_PIXEL_TEX_GEN_SGIX:
CHECK_EXTENSION(SGIX_pixel_texture, cap);
if (ctx->Pixel.PixelTextureEnabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_PIXEL);
ctx->Pixel.PixelTextureEnabled = state;
break;
/* GL_SGI_color_table */
case GL_COLOR_TABLE_SGI:
CHECK_EXTENSION(SGI_color_table, cap);
if (ctx->Pixel.ColorTableEnabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_PIXEL);
ctx->Pixel.ColorTableEnabled = state;
break;
case GL_POST_CONVOLUTION_COLOR_TABLE_SGI:
CHECK_EXTENSION(SGI_color_table, cap);
if (ctx->Pixel.PostConvolutionColorTableEnabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_PIXEL);
ctx->Pixel.PostConvolutionColorTableEnabled = state;
break;
case GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI:
CHECK_EXTENSION(SGI_color_table, cap);
if (ctx->Pixel.PostColorMatrixColorTableEnabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_PIXEL);
ctx->Pixel.PostColorMatrixColorTableEnabled = state;
break;
/* GL_EXT_convolution */
case GL_CONVOLUTION_1D:
CHECK_EXTENSION(EXT_convolution, cap);
if (ctx->Pixel.Convolution1DEnabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_PIXEL);
ctx->Pixel.Convolution1DEnabled = state;
break;
case GL_CONVOLUTION_2D:
CHECK_EXTENSION(EXT_convolution, cap);
if (ctx->Pixel.Convolution2DEnabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_PIXEL);
ctx->Pixel.Convolution2DEnabled = state;
break;
case GL_SEPARABLE_2D:
CHECK_EXTENSION(EXT_convolution, cap);
if (ctx->Pixel.Separable2DEnabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_PIXEL);
ctx->Pixel.Separable2DEnabled = state;
break;
/* GL_ARB_texture_cube_map */
case GL_TEXTURE_CUBE_MAP_ARB:
{
const GLuint curr = ctx->Texture.CurrentUnit;
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[curr];
GLuint newenabled = texUnit->Enabled & ~TEXTURE_CUBE_BIT;
CHECK_EXTENSION(ARB_texture_cube_map, cap);
if (state)
newenabled |= TEXTURE_CUBE_BIT;
if (!ctx->Visual.rgbMode || texUnit->Enabled == newenabled)
return;
FLUSH_VERTICES(ctx, _NEW_TEXTURE);
texUnit->Enabled = newenabled;
}
break;
/* GL_EXT_secondary_color */
case GL_COLOR_SUM_EXT:
CHECK_EXTENSION(EXT_secondary_color, cap);
if (ctx->Fog.ColorSumEnabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_FOG);
ctx->Fog.ColorSumEnabled = state;
if ((ctx->Light.Enabled &&
ctx->Light.Model.ColorControl==GL_SEPARATE_SPECULAR_COLOR)
|| ctx->Fog.ColorSumEnabled)
ctx->_TriangleCaps |= DD_SEPARATE_SPECULAR;
else
ctx->_TriangleCaps &= ~DD_SEPARATE_SPECULAR;
break;
/* GL_ARB_multisample */
case GL_MULTISAMPLE_ARB:
CHECK_EXTENSION(ARB_multisample, cap);
if (ctx->Multisample.Enabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE);
ctx->Multisample.Enabled = state;
break;
case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB:
CHECK_EXTENSION(ARB_multisample, cap);
if (ctx->Multisample.SampleAlphaToCoverage == state)
return;
FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE);
ctx->Multisample.SampleAlphaToCoverage = state;
break;
case GL_SAMPLE_ALPHA_TO_ONE_ARB:
CHECK_EXTENSION(ARB_multisample, cap);
if (ctx->Multisample.SampleAlphaToOne == state)
return;
FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE);
ctx->Multisample.SampleAlphaToOne = state;
break;
case GL_SAMPLE_COVERAGE_ARB:
CHECK_EXTENSION(ARB_multisample, cap);
if (ctx->Multisample.SampleCoverage == state)
return;
FLUSH_VERTICES(ctx, _NEW_MULTISAMPLE);
ctx->Multisample.SampleCoverage = state;
break;
case GL_SAMPLE_COVERAGE_INVERT_ARB:
CHECK_EXTENSION(ARB_multisample, cap);
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_EXTENSION(NV_point_sprite, cap);
if (ctx->Point.PointSprite == state)
return;
FLUSH_VERTICES(ctx, _NEW_POINT);
ctx->Point.PointSprite = state;
break;
#if FEATURE_NV_vertex_program
case GL_VERTEX_PROGRAM_NV:
CHECK_EXTENSION(NV_vertex_program, cap);
if (ctx->VertexProgram.Enabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_TRANSFORM | _NEW_PROGRAM); /* XXX OK? */
ctx->VertexProgram.Enabled = state;
break;
case GL_VERTEX_PROGRAM_POINT_SIZE_NV:
CHECK_EXTENSION(NV_vertex_program, cap);
if (ctx->VertexProgram.PointSizeEnabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_POINT | _NEW_PROGRAM);
ctx->VertexProgram.PointSizeEnabled = state;
break;
case GL_VERTEX_PROGRAM_TWO_SIDE_NV:
CHECK_EXTENSION(NV_vertex_program, cap);
if (ctx->VertexProgram.TwoSideEnabled == state)
return;
FLUSH_VERTICES(ctx, _NEW_PROGRAM); /* XXX OK? */
ctx->VertexProgram.TwoSideEnabled = state;
break;
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 */
/* GL_NV_texture_rectangle */
case GL_TEXTURE_RECTANGLE_NV:
CHECK_EXTENSION(NV_texture_rectangle, cap);
{
const GLuint curr = ctx->Texture.CurrentUnit;
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[curr];
GLuint newenabled = texUnit->Enabled & ~TEXTURE_RECT_BIT;
CHECK_EXTENSION(NV_texture_rectangle, cap);
if (state)
newenabled |= TEXTURE_RECT_BIT;
if (!ctx->Visual.rgbMode || texUnit->Enabled == newenabled)
return;
FLUSH_VERTICES(ctx, _NEW_TEXTURE);
texUnit->Enabled = newenabled;
}
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;
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM,
"%s(0x%x)", state ? "glEnable" : "glDisable", cap);
return;
}
if (ctx->Driver.Enable) {
(*ctx->Driver.Enable)( ctx, cap, state );
}
}
void
_mesa_Enable( GLenum cap )
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
_mesa_set_enable( ctx, cap, GL_TRUE );
}
void
_mesa_Disable( GLenum cap )
{
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
_mesa_set_enable( ctx, cap, GL_FALSE );
}
#undef CHECK_EXTENSION
#define CHECK_EXTENSION(EXTNAME) \
if (!ctx->Extensions.EXTNAME) { \
_mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabled"); \
return GL_FALSE; \
}
GLboolean
_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;
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:
{
const struct gl_texture_unit *texUnit;
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
return (texUnit->Enabled & TEXTURE_1D_BIT) ? GL_TRUE : GL_FALSE;
}
case GL_TEXTURE_2D:
{
const struct gl_texture_unit *texUnit;
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
return (texUnit->Enabled & TEXTURE_2D_BIT) ? GL_TRUE : GL_FALSE;
}
case GL_TEXTURE_3D:
{
const struct gl_texture_unit *texUnit;
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
return (texUnit->Enabled & TEXTURE_3D_BIT) ? GL_TRUE : GL_FALSE;
}
case GL_TEXTURE_GEN_Q:
{
const struct gl_texture_unit *texUnit;
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
return (texUnit->TexGenEnabled & Q_BIT) ? GL_TRUE : GL_FALSE;
}
case GL_TEXTURE_GEN_R:
{
const struct gl_texture_unit *texUnit;
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
return (texUnit->TexGenEnabled & R_BIT) ? GL_TRUE : GL_FALSE;
}
case GL_TEXTURE_GEN_S:
{
const struct gl_texture_unit *texUnit;
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
return (texUnit->TexGenEnabled & S_BIT) ? GL_TRUE : GL_FALSE;
}
case GL_TEXTURE_GEN_T:
{
const struct gl_texture_unit *texUnit;
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
return (texUnit->TexGenEnabled & T_BIT) ? GL_TRUE : GL_FALSE;
}
/*
* CLIENT STATE!!!
*/
case GL_VERTEX_ARRAY:
return (ctx->Array.Vertex.Enabled != 0);
case GL_NORMAL_ARRAY:
return (ctx->Array.Normal.Enabled != 0);
case GL_COLOR_ARRAY:
return (ctx->Array.Color.Enabled != 0);
case GL_INDEX_ARRAY:
return (ctx->Array.Index.Enabled != 0);
case GL_TEXTURE_COORD_ARRAY:
return (ctx->Array.TexCoord[ctx->Array.ActiveTexture].Enabled != 0);
case GL_EDGE_FLAG_ARRAY:
return (ctx->Array.EdgeFlag.Enabled != 0);
case GL_FOG_COORDINATE_ARRAY_EXT:
CHECK_EXTENSION(EXT_fog_coord);
return (ctx->Array.FogCoord.Enabled != 0);
case GL_SECONDARY_COLOR_ARRAY_EXT:
CHECK_EXTENSION(EXT_secondary_color);
return (ctx->Array.SecondaryColor.Enabled != 0);
/* GL_EXT_histogram */
case GL_HISTOGRAM:
CHECK_EXTENSION(EXT_histogram);
return ctx->Pixel.HistogramEnabled;
case GL_MINMAX:
CHECK_EXTENSION(EXT_histogram);
return ctx->Pixel.MinMaxEnabled;
/* GL_HP_occlusion_test */
case GL_OCCLUSION_TEST_HP:
CHECK_EXTENSION(HP_occlusion_test);
return ctx->Depth.OcclusionTest;
/* GL_SGIS_pixel_texture */
case GL_PIXEL_TEXTURE_SGIS:
CHECK_EXTENSION(SGIS_pixel_texture);
return ctx->Pixel.PixelTextureEnabled;
/* GL_SGIX_pixel_texture */
case GL_PIXEL_TEX_GEN_SGIX:
CHECK_EXTENSION(SGIX_pixel_texture);
return ctx->Pixel.PixelTextureEnabled;
/* GL_SGI_color_table */
case GL_COLOR_TABLE_SGI:
CHECK_EXTENSION(SGI_color_table);
return ctx->Pixel.ColorTableEnabled;
case GL_POST_CONVOLUTION_COLOR_TABLE_SGI:
CHECK_EXTENSION(SGI_color_table);
return ctx->Pixel.PostConvolutionColorTableEnabled;
case GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI:
CHECK_EXTENSION(SGI_color_table);
return ctx->Pixel.PostColorMatrixColorTableEnabled;
/* GL_EXT_convolution */
case GL_CONVOLUTION_1D:
CHECK_EXTENSION(EXT_convolution);
return ctx->Pixel.Convolution1DEnabled;
case GL_CONVOLUTION_2D:
CHECK_EXTENSION(EXT_convolution);
return ctx->Pixel.Convolution2DEnabled;
case GL_SEPARABLE_2D:
CHECK_EXTENSION(EXT_convolution);
return ctx->Pixel.Separable2DEnabled;
/* GL_ARB_texture_cube_map */
case GL_TEXTURE_CUBE_MAP_ARB:
CHECK_EXTENSION(ARB_texture_cube_map);
{
const struct gl_texture_unit *texUnit;
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
return (texUnit->Enabled & TEXTURE_CUBE_BIT) ? GL_TRUE : GL_FALSE;
}
/* GL_ARB_multisample */
case GL_MULTISAMPLE_ARB:
CHECK_EXTENSION(ARB_multisample);
return ctx->Multisample.Enabled;
case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB:
CHECK_EXTENSION(ARB_multisample);
return ctx->Multisample.SampleAlphaToCoverage;
case GL_SAMPLE_ALPHA_TO_ONE_ARB:
CHECK_EXTENSION(ARB_multisample);
return ctx->Multisample.SampleAlphaToOne;
case GL_SAMPLE_COVERAGE_ARB:
CHECK_EXTENSION(ARB_multisample);
return ctx->Multisample.SampleCoverage;
case GL_SAMPLE_COVERAGE_INVERT_ARB:
CHECK_EXTENSION(ARB_multisample);
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:
return ctx->Point.PointSprite;
#if FEATURE_NV_vertex_program
case GL_VERTEX_PROGRAM_NV:
CHECK_EXTENSION(NV_vertex_program);
return ctx->VertexProgram.Enabled;
case GL_VERTEX_PROGRAM_POINT_SIZE_NV:
CHECK_EXTENSION(NV_vertex_program);
return ctx->VertexProgram.PointSizeEnabled;
case GL_VERTEX_PROGRAM_TWO_SIDE_NV:
CHECK_EXTENSION(NV_vertex_program);
return ctx->VertexProgram.TwoSideEnabled;
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;
return (ctx->Array.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 */
/* GL_NV_texture_rectangle */
case GL_TEXTURE_RECTANGLE_NV:
CHECK_EXTENSION(NV_texture_rectangle);
{
const struct gl_texture_unit *texUnit;
texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
return (texUnit->Enabled & TEXTURE_RECT_BIT) ? GL_TRUE : GL_FALSE;
}
/* GL_EXT_stencil_two_side */
case GL_STENCIL_TEST_TWO_SIDE_EXT:
CHECK_EXTENSION(EXT_stencil_two_side);
return ctx->Stencil.TestTwoSide;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabled(0x%x)", (int) cap);
return GL_FALSE;
}
}