3 * Enable/disable/query GL capabilities.
7 * Mesa 3-D graphics library
10 * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
12 * Permission is hereby granted, free of charge, to any person obtaining a
13 * copy of this software and associated documentation files (the "Software"),
14 * to deal in the Software without restriction, including without limitation
15 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
16 * and/or sell copies of the Software, and to permit persons to whom the
17 * Software is furnished to do so, subject to the following conditions:
19 * The above copyright notice and this permission notice shall be included
20 * in all copies or substantial portions of the Software.
22 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
23 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
25 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
26 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
27 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
36 #include "simple_list.h"
39 #include "math/m_matrix.h"
40 #include "math/m_xform.h"
44 #define CHECK_EXTENSION(EXTNAME, CAP) \
45 if (!ctx->Extensions.EXTNAME) { \
46 _mesa_error(ctx, GL_INVALID_ENUM, "gl%sClientState(0x%x)", \
47 state ? "Enable" : "Disable", CAP); \
53 * Helper to enable/disable client-side state.
56 client_state(GLcontext
*ctx
, GLenum cap
, GLboolean state
)
63 var
= &ctx
->Array
.ArrayObj
->Vertex
.Enabled
;
64 flag
= _NEW_ARRAY_VERTEX
;
67 var
= &ctx
->Array
.ArrayObj
->Normal
.Enabled
;
68 flag
= _NEW_ARRAY_NORMAL
;
71 var
= &ctx
->Array
.ArrayObj
->Color
.Enabled
;
72 flag
= _NEW_ARRAY_COLOR0
;
75 var
= &ctx
->Array
.ArrayObj
->Index
.Enabled
;
76 flag
= _NEW_ARRAY_INDEX
;
78 case GL_TEXTURE_COORD_ARRAY
:
79 var
= &ctx
->Array
.ArrayObj
->TexCoord
[ctx
->Array
.ActiveTexture
].Enabled
;
80 flag
= _NEW_ARRAY_TEXCOORD(ctx
->Array
.ActiveTexture
);
82 case GL_EDGE_FLAG_ARRAY
:
83 var
= &ctx
->Array
.ArrayObj
->EdgeFlag
.Enabled
;
84 flag
= _NEW_ARRAY_EDGEFLAG
;
86 case GL_FOG_COORDINATE_ARRAY_EXT
:
87 var
= &ctx
->Array
.ArrayObj
->FogCoord
.Enabled
;
88 flag
= _NEW_ARRAY_FOGCOORD
;
90 case GL_SECONDARY_COLOR_ARRAY_EXT
:
91 var
= &ctx
->Array
.ArrayObj
->SecondaryColor
.Enabled
;
92 flag
= _NEW_ARRAY_COLOR1
;
95 #if FEATURE_NV_vertex_program
96 case GL_VERTEX_ATTRIB_ARRAY0_NV
:
97 case GL_VERTEX_ATTRIB_ARRAY1_NV
:
98 case GL_VERTEX_ATTRIB_ARRAY2_NV
:
99 case GL_VERTEX_ATTRIB_ARRAY3_NV
:
100 case GL_VERTEX_ATTRIB_ARRAY4_NV
:
101 case GL_VERTEX_ATTRIB_ARRAY5_NV
:
102 case GL_VERTEX_ATTRIB_ARRAY6_NV
:
103 case GL_VERTEX_ATTRIB_ARRAY7_NV
:
104 case GL_VERTEX_ATTRIB_ARRAY8_NV
:
105 case GL_VERTEX_ATTRIB_ARRAY9_NV
:
106 case GL_VERTEX_ATTRIB_ARRAY10_NV
:
107 case GL_VERTEX_ATTRIB_ARRAY11_NV
:
108 case GL_VERTEX_ATTRIB_ARRAY12_NV
:
109 case GL_VERTEX_ATTRIB_ARRAY13_NV
:
110 case GL_VERTEX_ATTRIB_ARRAY14_NV
:
111 case GL_VERTEX_ATTRIB_ARRAY15_NV
:
112 CHECK_EXTENSION(NV_vertex_program
, cap
);
114 GLint n
= (GLint
) cap
- GL_VERTEX_ATTRIB_ARRAY0_NV
;
115 var
= &ctx
->Array
.ArrayObj
->VertexAttrib
[n
].Enabled
;
116 flag
= _NEW_ARRAY_ATTRIB(n
);
119 #endif /* FEATURE_NV_vertex_program */
122 _mesa_error( ctx
, GL_INVALID_ENUM
,
123 "glEnable/DisableClientState(0x%x)", cap
);
130 FLUSH_VERTICES(ctx
, _NEW_ARRAY
);
131 ctx
->Array
.NewState
|= flag
;
135 ctx
->Array
.ArrayObj
->_Enabled
|= flag
;
137 ctx
->Array
.ArrayObj
->_Enabled
&= ~flag
;
139 if (ctx
->Driver
.Enable
) {
140 ctx
->Driver
.Enable( ctx
, cap
, state
);
146 * Enable GL capability.
147 * \param cap state to enable/disable.
149 * Get's the current context, assures that we're outside glBegin()/glEnd() and
150 * calls client_state().
153 _mesa_EnableClientState( GLenum cap
)
155 GET_CURRENT_CONTEXT(ctx
);
156 ASSERT_OUTSIDE_BEGIN_END(ctx
);
157 client_state( ctx
, cap
, GL_TRUE
);
162 * Disable GL capability.
163 * \param cap state to enable/disable.
165 * Get's the current context, assures that we're outside glBegin()/glEnd() and
166 * calls client_state().
169 _mesa_DisableClientState( GLenum cap
)
171 GET_CURRENT_CONTEXT(ctx
);
172 ASSERT_OUTSIDE_BEGIN_END(ctx
);
173 client_state( ctx
, cap
, GL_FALSE
);
177 #undef CHECK_EXTENSION
178 #define CHECK_EXTENSION(EXTNAME, CAP) \
179 if (!ctx->Extensions.EXTNAME) { \
180 _mesa_error(ctx, GL_INVALID_ENUM, "gl%s(0x%x)", \
181 state ? "Enable" : "Disable", CAP); \
185 #define CHECK_EXTENSION2(EXT1, EXT2, CAP) \
186 if (!ctx->Extensions.EXT1 && !ctx->Extensions.EXT2) { \
187 _mesa_error(ctx, GL_INVALID_ENUM, "gl%s(0x%x)", \
188 state ? "Enable" : "Disable", CAP); \
194 * Helper function to enable or disable a texture target.
197 enable_texture(GLcontext
*ctx
, GLboolean state
, GLbitfield bit
)
199 const GLuint curr
= ctx
->Texture
.CurrentUnit
;
200 struct gl_texture_unit
*texUnit
= &ctx
->Texture
.Unit
[curr
];
201 const GLuint newenabled
= (!state
)
202 ? (texUnit
->Enabled
& ~bit
) : (texUnit
->Enabled
| bit
);
204 if (!ctx
->DrawBuffer
->Visual
.rgbMode
|| texUnit
->Enabled
== newenabled
)
207 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
208 texUnit
->Enabled
= newenabled
;
214 * Helper function to enable or disable state.
216 * \param ctx GL context.
217 * \param cap the state to enable/disable
218 * \param state whether to enable or disable the specified capability.
220 * Updates the current context and flushes the vertices as needed. For
221 * capabilities associated with extensions it verifies that those extensions
222 * are effectivly present before updating. Notifies the driver via
223 * dd_function_table::Enable.
226 _mesa_set_enable(GLcontext
*ctx
, GLenum cap
, GLboolean state
)
228 if (MESA_VERBOSE
& VERBOSE_API
)
229 _mesa_debug(ctx
, "%s %s (newstate is %x)\n",
230 state
? "glEnable" : "glDisable",
231 _mesa_lookup_enum_by_nr(cap
),
236 if (ctx
->Color
.AlphaEnabled
== state
)
238 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
239 ctx
->Color
.AlphaEnabled
= state
;
242 if (ctx
->Eval
.AutoNormal
== state
)
244 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
245 ctx
->Eval
.AutoNormal
= state
;
248 if (ctx
->Color
.BlendEnabled
== state
)
250 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
251 ctx
->Color
.BlendEnabled
= state
;
261 const GLuint p
= cap
- GL_CLIP_PLANE0
;
263 if ((ctx
->Transform
.ClipPlanesEnabled
& (1 << p
)) == ((GLuint
) state
<< p
))
266 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
269 ctx
->Transform
.ClipPlanesEnabled
|= (1 << p
);
271 if (_math_matrix_is_dirty(ctx
->ProjectionMatrixStack
.Top
))
272 _math_matrix_analyse( ctx
->ProjectionMatrixStack
.Top
);
274 /* This derived state also calculated in clip.c and
275 * from _mesa_update_state() on changes to EyeUserPlane
276 * and ctx->ProjectionMatrix respectively.
278 _mesa_transform_vector( ctx
->Transform
._ClipUserPlane
[p
],
279 ctx
->Transform
.EyeUserPlane
[p
],
280 ctx
->ProjectionMatrixStack
.Top
->inv
);
283 ctx
->Transform
.ClipPlanesEnabled
&= ~(1 << p
);
288 case GL_COLOR_MATERIAL
:
289 if (ctx
->Light
.ColorMaterialEnabled
== state
)
291 FLUSH_VERTICES(ctx
, _NEW_LIGHT
);
292 FLUSH_CURRENT(ctx
, 0);
293 ctx
->Light
.ColorMaterialEnabled
= state
;
295 _mesa_update_color_material( ctx
,
296 ctx
->Current
.Attrib
[VERT_ATTRIB_COLOR0
] );
300 if (ctx
->Polygon
.CullFlag
== state
)
302 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
303 ctx
->Polygon
.CullFlag
= state
;
305 case GL_CULL_VERTEX_EXT
:
306 CHECK_EXTENSION(EXT_cull_vertex
, cap
);
307 if (ctx
->Transform
.CullVertexFlag
== state
)
309 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
310 ctx
->Transform
.CullVertexFlag
= state
;
313 if (state
&& ctx
->DrawBuffer
->Visual
.depthBits
== 0) {
314 _mesa_warning(ctx
,"glEnable(GL_DEPTH_TEST) but no depth buffer");
317 if (ctx
->Depth
.Test
== state
)
319 FLUSH_VERTICES(ctx
, _NEW_DEPTH
);
320 ctx
->Depth
.Test
= state
;
324 state
= GL_FALSE
; /* MESA_NO_DITHER env var */
326 if (ctx
->Color
.DitherFlag
== state
)
328 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
329 ctx
->Color
.DitherFlag
= state
;
332 if (ctx
->Fog
.Enabled
== state
)
334 FLUSH_VERTICES(ctx
, _NEW_FOG
);
335 ctx
->Fog
.Enabled
= state
;
338 CHECK_EXTENSION(EXT_histogram
, cap
);
339 if (ctx
->Pixel
.HistogramEnabled
== state
)
341 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
342 ctx
->Pixel
.HistogramEnabled
= state
;
352 if (ctx
->Light
.Light
[cap
-GL_LIGHT0
].Enabled
== state
)
354 FLUSH_VERTICES(ctx
, _NEW_LIGHT
);
355 ctx
->Light
.Light
[cap
-GL_LIGHT0
].Enabled
= state
;
357 insert_at_tail(&ctx
->Light
.EnabledList
,
358 &ctx
->Light
.Light
[cap
-GL_LIGHT0
]);
361 remove_from_list(&ctx
->Light
.Light
[cap
-GL_LIGHT0
]);
365 if (ctx
->Light
.Enabled
== state
)
367 FLUSH_VERTICES(ctx
, _NEW_LIGHT
);
368 ctx
->Light
.Enabled
= state
;
371 if (ctx
->Line
.SmoothFlag
== state
)
373 FLUSH_VERTICES(ctx
, _NEW_LINE
);
374 ctx
->Line
.SmoothFlag
= state
;
376 case GL_LINE_STIPPLE
:
377 if (ctx
->Line
.StippleFlag
== state
)
379 FLUSH_VERTICES(ctx
, _NEW_LINE
);
380 ctx
->Line
.StippleFlag
= state
;
382 case GL_INDEX_LOGIC_OP
:
383 if (ctx
->Color
.IndexLogicOpEnabled
== state
)
385 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
386 ctx
->Color
.IndexLogicOpEnabled
= state
;
388 case GL_COLOR_LOGIC_OP
:
389 if (ctx
->Color
.ColorLogicOpEnabled
== state
)
391 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
392 ctx
->Color
.ColorLogicOpEnabled
= state
;
394 case GL_MAP1_COLOR_4
:
395 if (ctx
->Eval
.Map1Color4
== state
)
397 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
398 ctx
->Eval
.Map1Color4
= state
;
401 if (ctx
->Eval
.Map1Index
== state
)
403 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
404 ctx
->Eval
.Map1Index
= state
;
407 if (ctx
->Eval
.Map1Normal
== state
)
409 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
410 ctx
->Eval
.Map1Normal
= state
;
412 case GL_MAP1_TEXTURE_COORD_1
:
413 if (ctx
->Eval
.Map1TextureCoord1
== state
)
415 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
416 ctx
->Eval
.Map1TextureCoord1
= state
;
418 case GL_MAP1_TEXTURE_COORD_2
:
419 if (ctx
->Eval
.Map1TextureCoord2
== state
)
421 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
422 ctx
->Eval
.Map1TextureCoord2
= state
;
424 case GL_MAP1_TEXTURE_COORD_3
:
425 if (ctx
->Eval
.Map1TextureCoord3
== state
)
427 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
428 ctx
->Eval
.Map1TextureCoord3
= state
;
430 case GL_MAP1_TEXTURE_COORD_4
:
431 if (ctx
->Eval
.Map1TextureCoord4
== state
)
433 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
434 ctx
->Eval
.Map1TextureCoord4
= state
;
436 case GL_MAP1_VERTEX_3
:
437 if (ctx
->Eval
.Map1Vertex3
== state
)
439 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
440 ctx
->Eval
.Map1Vertex3
= state
;
442 case GL_MAP1_VERTEX_4
:
443 if (ctx
->Eval
.Map1Vertex4
== state
)
445 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
446 ctx
->Eval
.Map1Vertex4
= state
;
448 case GL_MAP2_COLOR_4
:
449 if (ctx
->Eval
.Map2Color4
== state
)
451 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
452 ctx
->Eval
.Map2Color4
= state
;
455 if (ctx
->Eval
.Map2Index
== state
)
457 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
458 ctx
->Eval
.Map2Index
= state
;
461 if (ctx
->Eval
.Map2Normal
== state
)
463 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
464 ctx
->Eval
.Map2Normal
= state
;
466 case GL_MAP2_TEXTURE_COORD_1
:
467 if (ctx
->Eval
.Map2TextureCoord1
== state
)
469 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
470 ctx
->Eval
.Map2TextureCoord1
= state
;
472 case GL_MAP2_TEXTURE_COORD_2
:
473 if (ctx
->Eval
.Map2TextureCoord2
== state
)
475 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
476 ctx
->Eval
.Map2TextureCoord2
= state
;
478 case GL_MAP2_TEXTURE_COORD_3
:
479 if (ctx
->Eval
.Map2TextureCoord3
== state
)
481 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
482 ctx
->Eval
.Map2TextureCoord3
= state
;
484 case GL_MAP2_TEXTURE_COORD_4
:
485 if (ctx
->Eval
.Map2TextureCoord4
== state
)
487 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
488 ctx
->Eval
.Map2TextureCoord4
= state
;
490 case GL_MAP2_VERTEX_3
:
491 if (ctx
->Eval
.Map2Vertex3
== state
)
493 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
494 ctx
->Eval
.Map2Vertex3
= state
;
496 case GL_MAP2_VERTEX_4
:
497 if (ctx
->Eval
.Map2Vertex4
== state
)
499 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
500 ctx
->Eval
.Map2Vertex4
= state
;
503 if (ctx
->Pixel
.MinMaxEnabled
== state
)
505 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
506 ctx
->Pixel
.MinMaxEnabled
= state
;
509 if (ctx
->Transform
.Normalize
== state
)
511 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
512 ctx
->Transform
.Normalize
= state
;
514 case GL_POINT_SMOOTH
:
515 if (ctx
->Point
.SmoothFlag
== state
)
517 FLUSH_VERTICES(ctx
, _NEW_POINT
);
518 ctx
->Point
.SmoothFlag
= state
;
520 case GL_POLYGON_SMOOTH
:
521 if (ctx
->Polygon
.SmoothFlag
== state
)
523 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
524 ctx
->Polygon
.SmoothFlag
= state
;
526 case GL_POLYGON_STIPPLE
:
527 if (ctx
->Polygon
.StippleFlag
== state
)
529 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
530 ctx
->Polygon
.StippleFlag
= state
;
532 case GL_POLYGON_OFFSET_POINT
:
533 if (ctx
->Polygon
.OffsetPoint
== state
)
535 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
536 ctx
->Polygon
.OffsetPoint
= state
;
538 case GL_POLYGON_OFFSET_LINE
:
539 if (ctx
->Polygon
.OffsetLine
== state
)
541 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
542 ctx
->Polygon
.OffsetLine
= state
;
544 case GL_POLYGON_OFFSET_FILL
:
545 /*case GL_POLYGON_OFFSET_EXT:*/
546 if (ctx
->Polygon
.OffsetFill
== state
)
548 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
549 ctx
->Polygon
.OffsetFill
= state
;
551 case GL_RESCALE_NORMAL_EXT
:
552 if (ctx
->Transform
.RescaleNormals
== state
)
554 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
555 ctx
->Transform
.RescaleNormals
= state
;
557 case GL_SCISSOR_TEST
:
558 if (ctx
->Scissor
.Enabled
== state
)
560 FLUSH_VERTICES(ctx
, _NEW_SCISSOR
);
561 ctx
->Scissor
.Enabled
= state
;
563 case GL_SHARED_TEXTURE_PALETTE_EXT
:
564 if (ctx
->Texture
.SharedPalette
== state
)
566 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
567 ctx
->Texture
.SharedPalette
= state
;
569 case GL_STENCIL_TEST
:
570 if (state
&& ctx
->DrawBuffer
->Visual
.stencilBits
== 0) {
572 "glEnable(GL_STENCIL_TEST) but no stencil buffer");
575 if (ctx
->Stencil
.Enabled
== state
)
577 FLUSH_VERTICES(ctx
, _NEW_STENCIL
);
578 ctx
->Stencil
.Enabled
= state
;
581 if (!enable_texture(ctx
, state
, TEXTURE_1D_BIT
)) {
586 if (!enable_texture(ctx
, state
, TEXTURE_2D_BIT
)) {
591 if (!enable_texture(ctx
, state
, TEXTURE_3D_BIT
)) {
595 case GL_TEXTURE_GEN_Q
: {
596 GLuint unit
= ctx
->Texture
.CurrentUnit
;
597 struct gl_texture_unit
*texUnit
= &ctx
->Texture
.Unit
[unit
];
598 GLuint newenabled
= texUnit
->TexGenEnabled
& ~Q_BIT
;
601 if (texUnit
->TexGenEnabled
== newenabled
)
603 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
604 texUnit
->TexGenEnabled
= newenabled
;
607 case GL_TEXTURE_GEN_R
: {
608 GLuint unit
= ctx
->Texture
.CurrentUnit
;
609 struct gl_texture_unit
*texUnit
= &ctx
->Texture
.Unit
[unit
];
610 GLuint newenabled
= texUnit
->TexGenEnabled
& ~R_BIT
;
613 if (texUnit
->TexGenEnabled
== newenabled
)
615 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
616 texUnit
->TexGenEnabled
= newenabled
;
619 case GL_TEXTURE_GEN_S
: {
620 GLuint unit
= ctx
->Texture
.CurrentUnit
;
621 struct gl_texture_unit
*texUnit
= &ctx
->Texture
.Unit
[unit
];
622 GLuint newenabled
= texUnit
->TexGenEnabled
& ~S_BIT
;
625 if (texUnit
->TexGenEnabled
== newenabled
)
627 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
628 texUnit
->TexGenEnabled
= newenabled
;
631 case GL_TEXTURE_GEN_T
: {
632 GLuint unit
= ctx
->Texture
.CurrentUnit
;
633 struct gl_texture_unit
*texUnit
= &ctx
->Texture
.Unit
[unit
];
634 GLuint newenabled
= texUnit
->TexGenEnabled
& ~T_BIT
;
637 if (texUnit
->TexGenEnabled
== newenabled
)
639 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
640 texUnit
->TexGenEnabled
= newenabled
;
647 case GL_VERTEX_ARRAY
:
648 case GL_NORMAL_ARRAY
:
651 case GL_TEXTURE_COORD_ARRAY
:
652 case GL_EDGE_FLAG_ARRAY
:
653 case GL_FOG_COORDINATE_ARRAY_EXT
:
654 case GL_SECONDARY_COLOR_ARRAY_EXT
:
655 client_state( ctx
, cap
, state
);
658 /* GL_SGI_color_table */
659 case GL_COLOR_TABLE_SGI
:
660 CHECK_EXTENSION(SGI_color_table
, cap
);
661 if (ctx
->Pixel
.ColorTableEnabled
[COLORTABLE_PRECONVOLUTION
] == state
)
663 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
664 ctx
->Pixel
.ColorTableEnabled
[COLORTABLE_PRECONVOLUTION
] = state
;
666 case GL_POST_CONVOLUTION_COLOR_TABLE_SGI
:
667 CHECK_EXTENSION(SGI_color_table
, cap
);
668 if (ctx
->Pixel
.ColorTableEnabled
[COLORTABLE_POSTCONVOLUTION
] == state
)
670 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
671 ctx
->Pixel
.ColorTableEnabled
[COLORTABLE_POSTCONVOLUTION
] = state
;
673 case GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI
:
674 CHECK_EXTENSION(SGI_color_table
, cap
);
675 if (ctx
->Pixel
.ColorTableEnabled
[COLORTABLE_POSTCOLORMATRIX
] == state
)
677 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
678 ctx
->Pixel
.ColorTableEnabled
[COLORTABLE_POSTCOLORMATRIX
] = state
;
680 case GL_TEXTURE_COLOR_TABLE_SGI
:
681 CHECK_EXTENSION(SGI_texture_color_table
, cap
);
682 if (ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
].ColorTableEnabled
== state
)
684 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
685 ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
].ColorTableEnabled
= state
;
688 /* GL_EXT_convolution */
689 case GL_CONVOLUTION_1D
:
690 CHECK_EXTENSION(EXT_convolution
, cap
);
691 if (ctx
->Pixel
.Convolution1DEnabled
== state
)
693 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
694 ctx
->Pixel
.Convolution1DEnabled
= state
;
696 case GL_CONVOLUTION_2D
:
697 CHECK_EXTENSION(EXT_convolution
, cap
);
698 if (ctx
->Pixel
.Convolution2DEnabled
== state
)
700 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
701 ctx
->Pixel
.Convolution2DEnabled
= state
;
703 case GL_SEPARABLE_2D
:
704 CHECK_EXTENSION(EXT_convolution
, cap
);
705 if (ctx
->Pixel
.Separable2DEnabled
== state
)
707 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
708 ctx
->Pixel
.Separable2DEnabled
= state
;
711 /* GL_ARB_texture_cube_map */
712 case GL_TEXTURE_CUBE_MAP_ARB
:
713 CHECK_EXTENSION(ARB_texture_cube_map
, cap
);
714 if (!enable_texture(ctx
, state
, TEXTURE_CUBE_BIT
)) {
719 /* GL_EXT_secondary_color */
720 case GL_COLOR_SUM_EXT
:
721 CHECK_EXTENSION2(EXT_secondary_color
, ARB_vertex_program
, cap
);
722 if (ctx
->Fog
.ColorSumEnabled
== state
)
724 FLUSH_VERTICES(ctx
, _NEW_FOG
);
725 ctx
->Fog
.ColorSumEnabled
= state
;
728 /* GL_ARB_multisample */
729 case GL_MULTISAMPLE_ARB
:
730 CHECK_EXTENSION(ARB_multisample
, cap
);
731 if (ctx
->Multisample
.Enabled
== state
)
733 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
734 ctx
->Multisample
.Enabled
= state
;
736 case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB
:
737 CHECK_EXTENSION(ARB_multisample
, cap
);
738 if (ctx
->Multisample
.SampleAlphaToCoverage
== state
)
740 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
741 ctx
->Multisample
.SampleAlphaToCoverage
= state
;
743 case GL_SAMPLE_ALPHA_TO_ONE_ARB
:
744 CHECK_EXTENSION(ARB_multisample
, cap
);
745 if (ctx
->Multisample
.SampleAlphaToOne
== state
)
747 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
748 ctx
->Multisample
.SampleAlphaToOne
= state
;
750 case GL_SAMPLE_COVERAGE_ARB
:
751 CHECK_EXTENSION(ARB_multisample
, cap
);
752 if (ctx
->Multisample
.SampleCoverage
== state
)
754 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
755 ctx
->Multisample
.SampleCoverage
= state
;
757 case GL_SAMPLE_COVERAGE_INVERT_ARB
:
758 CHECK_EXTENSION(ARB_multisample
, cap
);
759 if (ctx
->Multisample
.SampleCoverageInvert
== state
)
761 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
762 ctx
->Multisample
.SampleCoverageInvert
= state
;
765 /* GL_IBM_rasterpos_clip */
766 case GL_RASTER_POSITION_UNCLIPPED_IBM
:
767 CHECK_EXTENSION(IBM_rasterpos_clip
, cap
);
768 if (ctx
->Transform
.RasterPositionUnclipped
== state
)
770 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
771 ctx
->Transform
.RasterPositionUnclipped
= state
;
774 /* GL_NV_point_sprite */
775 case GL_POINT_SPRITE_NV
:
776 CHECK_EXTENSION2(NV_point_sprite
, ARB_point_sprite
, cap
);
777 if (ctx
->Point
.PointSprite
== state
)
779 FLUSH_VERTICES(ctx
, _NEW_POINT
);
780 ctx
->Point
.PointSprite
= state
;
783 #if FEATURE_NV_vertex_program || FEATURE_ARB_vertex_program
784 case GL_VERTEX_PROGRAM_ARB
:
785 CHECK_EXTENSION2(ARB_vertex_program
, NV_vertex_program
, cap
);
786 if (ctx
->VertexProgram
.Enabled
== state
)
788 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
789 ctx
->VertexProgram
.Enabled
= state
;
791 case GL_VERTEX_PROGRAM_POINT_SIZE_ARB
:
792 CHECK_EXTENSION2(ARB_vertex_program
, NV_vertex_program
, cap
);
793 if (ctx
->VertexProgram
.PointSizeEnabled
== state
)
795 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
796 ctx
->VertexProgram
.PointSizeEnabled
= state
;
798 case GL_VERTEX_PROGRAM_TWO_SIDE_ARB
:
799 CHECK_EXTENSION2(ARB_vertex_program
, NV_vertex_program
, cap
);
800 if (ctx
->VertexProgram
.TwoSideEnabled
== state
)
802 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
803 ctx
->VertexProgram
.TwoSideEnabled
= state
;
806 #if FEATURE_NV_vertex_program
807 case GL_MAP1_VERTEX_ATTRIB0_4_NV
:
808 case GL_MAP1_VERTEX_ATTRIB1_4_NV
:
809 case GL_MAP1_VERTEX_ATTRIB2_4_NV
:
810 case GL_MAP1_VERTEX_ATTRIB3_4_NV
:
811 case GL_MAP1_VERTEX_ATTRIB4_4_NV
:
812 case GL_MAP1_VERTEX_ATTRIB5_4_NV
:
813 case GL_MAP1_VERTEX_ATTRIB6_4_NV
:
814 case GL_MAP1_VERTEX_ATTRIB7_4_NV
:
815 case GL_MAP1_VERTEX_ATTRIB8_4_NV
:
816 case GL_MAP1_VERTEX_ATTRIB9_4_NV
:
817 case GL_MAP1_VERTEX_ATTRIB10_4_NV
:
818 case GL_MAP1_VERTEX_ATTRIB11_4_NV
:
819 case GL_MAP1_VERTEX_ATTRIB12_4_NV
:
820 case GL_MAP1_VERTEX_ATTRIB13_4_NV
:
821 case GL_MAP1_VERTEX_ATTRIB14_4_NV
:
822 case GL_MAP1_VERTEX_ATTRIB15_4_NV
:
823 CHECK_EXTENSION(NV_vertex_program
, cap
);
825 const GLuint map
= (GLuint
) (cap
- GL_MAP1_VERTEX_ATTRIB0_4_NV
);
826 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
827 ctx
->Eval
.Map1Attrib
[map
] = state
;
830 case GL_MAP2_VERTEX_ATTRIB0_4_NV
:
831 case GL_MAP2_VERTEX_ATTRIB1_4_NV
:
832 case GL_MAP2_VERTEX_ATTRIB2_4_NV
:
833 case GL_MAP2_VERTEX_ATTRIB3_4_NV
:
834 case GL_MAP2_VERTEX_ATTRIB4_4_NV
:
835 case GL_MAP2_VERTEX_ATTRIB5_4_NV
:
836 case GL_MAP2_VERTEX_ATTRIB6_4_NV
:
837 case GL_MAP2_VERTEX_ATTRIB7_4_NV
:
838 case GL_MAP2_VERTEX_ATTRIB8_4_NV
:
839 case GL_MAP2_VERTEX_ATTRIB9_4_NV
:
840 case GL_MAP2_VERTEX_ATTRIB10_4_NV
:
841 case GL_MAP2_VERTEX_ATTRIB11_4_NV
:
842 case GL_MAP2_VERTEX_ATTRIB12_4_NV
:
843 case GL_MAP2_VERTEX_ATTRIB13_4_NV
:
844 case GL_MAP2_VERTEX_ATTRIB14_4_NV
:
845 case GL_MAP2_VERTEX_ATTRIB15_4_NV
:
846 CHECK_EXTENSION(NV_vertex_program
, cap
);
848 const GLuint map
= (GLuint
) (cap
- GL_MAP2_VERTEX_ATTRIB0_4_NV
);
849 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
850 ctx
->Eval
.Map2Attrib
[map
] = state
;
853 #endif /* FEATURE_NV_vertex_program */
855 #if FEATURE_NV_fragment_program
856 case GL_FRAGMENT_PROGRAM_NV
:
857 CHECK_EXTENSION(NV_fragment_program
, cap
);
858 if (ctx
->FragmentProgram
.Enabled
== state
)
860 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
861 ctx
->FragmentProgram
.Enabled
= state
;
863 #endif /* FEATURE_NV_fragment_program */
865 /* GL_NV_texture_rectangle */
866 case GL_TEXTURE_RECTANGLE_NV
:
867 CHECK_EXTENSION(NV_texture_rectangle
, cap
);
868 if (!enable_texture(ctx
, state
, TEXTURE_RECT_BIT
)) {
873 /* GL_EXT_stencil_two_side */
874 case GL_STENCIL_TEST_TWO_SIDE_EXT
:
875 CHECK_EXTENSION(EXT_stencil_two_side
, cap
);
876 if (ctx
->Stencil
.TestTwoSide
== state
)
878 FLUSH_VERTICES(ctx
, _NEW_STENCIL
);
879 ctx
->Stencil
.TestTwoSide
= state
;
882 #if FEATURE_ARB_fragment_program
883 case GL_FRAGMENT_PROGRAM_ARB
:
884 CHECK_EXTENSION(ARB_fragment_program
, cap
);
885 if (ctx
->FragmentProgram
.Enabled
== state
)
887 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
888 ctx
->FragmentProgram
.Enabled
= state
;
890 #endif /* FEATURE_ARB_fragment_program */
892 /* GL_EXT_depth_bounds_test */
893 case GL_DEPTH_BOUNDS_TEST_EXT
:
894 CHECK_EXTENSION(EXT_depth_bounds_test
, cap
);
895 if (state
&& ctx
->DrawBuffer
->Visual
.depthBits
== 0) {
897 "glEnable(GL_DEPTH_BOUNDS_TEST_EXT) but no depth buffer");
900 if (ctx
->Depth
.BoundsTest
== state
)
902 FLUSH_VERTICES(ctx
, _NEW_DEPTH
);
903 ctx
->Depth
.BoundsTest
= state
;
906 /* GL_MESA_program_debug */
907 #if FEATURE_MESA_program_debug
908 case GL_FRAGMENT_PROGRAM_CALLBACK_MESA
:
909 CHECK_EXTENSION(MESA_program_debug
, cap
);
910 ctx
->FragmentProgram
.CallbackEnabled
= state
;
912 case GL_VERTEX_PROGRAM_CALLBACK_MESA
:
913 CHECK_EXTENSION(MESA_program_debug
, cap
);
914 ctx
->VertexProgram
.CallbackEnabled
= state
;
918 #if FEATURE_ATI_fragment_shader
919 case GL_FRAGMENT_SHADER_ATI
:
920 CHECK_EXTENSION(ATI_fragment_shader
, cap
);
921 if (ctx
->ATIFragmentShader
.Enabled
== state
)
923 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
924 ctx
->ATIFragmentShader
.Enabled
= state
;
928 /* GL_MESA_texture_array */
929 case GL_TEXTURE_1D_ARRAY_EXT
:
930 CHECK_EXTENSION(MESA_texture_array
, cap
);
931 if (!enable_texture(ctx
, state
, TEXTURE_1D_ARRAY_BIT
)) {
936 case GL_TEXTURE_2D_ARRAY_EXT
:
937 CHECK_EXTENSION(MESA_texture_array
, cap
);
938 if (!enable_texture(ctx
, state
, TEXTURE_2D_ARRAY_BIT
)) {
944 _mesa_error(ctx
, GL_INVALID_ENUM
,
945 "%s(0x%x)", state
? "glEnable" : "glDisable", cap
);
949 if (ctx
->Driver
.Enable
) {
950 ctx
->Driver
.Enable( ctx
, cap
, state
);
956 * Enable GL capability. Called by glEnable()
957 * \param cap state to enable.
960 _mesa_Enable( GLenum cap
)
962 GET_CURRENT_CONTEXT(ctx
);
963 ASSERT_OUTSIDE_BEGIN_END(ctx
);
965 _mesa_set_enable( ctx
, cap
, GL_TRUE
);
970 * Disable GL capability. Called by glDisable()
971 * \param cap state to disable.
974 _mesa_Disable( GLenum cap
)
976 GET_CURRENT_CONTEXT(ctx
);
977 ASSERT_OUTSIDE_BEGIN_END(ctx
);
979 _mesa_set_enable( ctx
, cap
, GL_FALSE
);
983 #undef CHECK_EXTENSION
984 #define CHECK_EXTENSION(EXTNAME) \
985 if (!ctx->Extensions.EXTNAME) { \
986 _mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabled"); \
990 #undef CHECK_EXTENSION2
991 #define CHECK_EXTENSION2(EXT1, EXT2) \
992 if (!ctx->Extensions.EXT1 && !ctx->Extensions.EXT2) { \
993 _mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabled"); \
999 * Helper function to determine whether a texture target is enabled.
1002 is_texture_enabled(GLcontext
*ctx
, GLbitfield bit
)
1004 const struct gl_texture_unit
*const texUnit
=
1005 &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
1006 return (texUnit
->Enabled
& bit
) ? GL_TRUE
: GL_FALSE
;
1011 * Return simple enable/disable state.
1013 * \param cap state variable to query.
1015 * Returns the state of the specified capability from the current GL context.
1016 * For the capabilities associated with extensions verifies that those
1017 * extensions are effectively present before reporting.
1019 GLboolean GLAPIENTRY
1020 _mesa_IsEnabled( GLenum cap
)
1022 GET_CURRENT_CONTEXT(ctx
);
1025 return ctx
->Color
.AlphaEnabled
;
1026 case GL_AUTO_NORMAL
:
1027 return ctx
->Eval
.AutoNormal
;
1029 return ctx
->Color
.BlendEnabled
;
1030 case GL_CLIP_PLANE0
:
1031 case GL_CLIP_PLANE1
:
1032 case GL_CLIP_PLANE2
:
1033 case GL_CLIP_PLANE3
:
1034 case GL_CLIP_PLANE4
:
1035 case GL_CLIP_PLANE5
:
1036 return (ctx
->Transform
.ClipPlanesEnabled
>> (cap
- GL_CLIP_PLANE0
)) & 1;
1037 case GL_COLOR_MATERIAL
:
1038 return ctx
->Light
.ColorMaterialEnabled
;
1040 return ctx
->Polygon
.CullFlag
;
1042 return ctx
->Depth
.Test
;
1044 return ctx
->Color
.DitherFlag
;
1046 return ctx
->Fog
.Enabled
;
1048 return ctx
->Light
.Enabled
;
1057 return ctx
->Light
.Light
[cap
-GL_LIGHT0
].Enabled
;
1058 case GL_LINE_SMOOTH
:
1059 return ctx
->Line
.SmoothFlag
;
1060 case GL_LINE_STIPPLE
:
1061 return ctx
->Line
.StippleFlag
;
1062 case GL_INDEX_LOGIC_OP
:
1063 return ctx
->Color
.IndexLogicOpEnabled
;
1064 case GL_COLOR_LOGIC_OP
:
1065 return ctx
->Color
.ColorLogicOpEnabled
;
1066 case GL_MAP1_COLOR_4
:
1067 return ctx
->Eval
.Map1Color4
;
1069 return ctx
->Eval
.Map1Index
;
1070 case GL_MAP1_NORMAL
:
1071 return ctx
->Eval
.Map1Normal
;
1072 case GL_MAP1_TEXTURE_COORD_1
:
1073 return ctx
->Eval
.Map1TextureCoord1
;
1074 case GL_MAP1_TEXTURE_COORD_2
:
1075 return ctx
->Eval
.Map1TextureCoord2
;
1076 case GL_MAP1_TEXTURE_COORD_3
:
1077 return ctx
->Eval
.Map1TextureCoord3
;
1078 case GL_MAP1_TEXTURE_COORD_4
:
1079 return ctx
->Eval
.Map1TextureCoord4
;
1080 case GL_MAP1_VERTEX_3
:
1081 return ctx
->Eval
.Map1Vertex3
;
1082 case GL_MAP1_VERTEX_4
:
1083 return ctx
->Eval
.Map1Vertex4
;
1084 case GL_MAP2_COLOR_4
:
1085 return ctx
->Eval
.Map2Color4
;
1087 return ctx
->Eval
.Map2Index
;
1088 case GL_MAP2_NORMAL
:
1089 return ctx
->Eval
.Map2Normal
;
1090 case GL_MAP2_TEXTURE_COORD_1
:
1091 return ctx
->Eval
.Map2TextureCoord1
;
1092 case GL_MAP2_TEXTURE_COORD_2
:
1093 return ctx
->Eval
.Map2TextureCoord2
;
1094 case GL_MAP2_TEXTURE_COORD_3
:
1095 return ctx
->Eval
.Map2TextureCoord3
;
1096 case GL_MAP2_TEXTURE_COORD_4
:
1097 return ctx
->Eval
.Map2TextureCoord4
;
1098 case GL_MAP2_VERTEX_3
:
1099 return ctx
->Eval
.Map2Vertex3
;
1100 case GL_MAP2_VERTEX_4
:
1101 return ctx
->Eval
.Map2Vertex4
;
1103 return ctx
->Transform
.Normalize
;
1104 case GL_POINT_SMOOTH
:
1105 return ctx
->Point
.SmoothFlag
;
1106 case GL_POLYGON_SMOOTH
:
1107 return ctx
->Polygon
.SmoothFlag
;
1108 case GL_POLYGON_STIPPLE
:
1109 return ctx
->Polygon
.StippleFlag
;
1110 case GL_POLYGON_OFFSET_POINT
:
1111 return ctx
->Polygon
.OffsetPoint
;
1112 case GL_POLYGON_OFFSET_LINE
:
1113 return ctx
->Polygon
.OffsetLine
;
1114 case GL_POLYGON_OFFSET_FILL
:
1115 /*case GL_POLYGON_OFFSET_EXT:*/
1116 return ctx
->Polygon
.OffsetFill
;
1117 case GL_RESCALE_NORMAL_EXT
:
1118 return ctx
->Transform
.RescaleNormals
;
1119 case GL_SCISSOR_TEST
:
1120 return ctx
->Scissor
.Enabled
;
1121 case GL_SHARED_TEXTURE_PALETTE_EXT
:
1122 return ctx
->Texture
.SharedPalette
;
1123 case GL_STENCIL_TEST
:
1124 return ctx
->Stencil
.Enabled
;
1126 return is_texture_enabled(ctx
, TEXTURE_1D_BIT
);
1128 return is_texture_enabled(ctx
, TEXTURE_2D_BIT
);
1130 return is_texture_enabled(ctx
, TEXTURE_3D_BIT
);
1131 case GL_TEXTURE_GEN_Q
:
1133 const struct gl_texture_unit
*texUnit
;
1134 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
1135 return (texUnit
->TexGenEnabled
& Q_BIT
) ? GL_TRUE
: GL_FALSE
;
1137 case GL_TEXTURE_GEN_R
:
1139 const struct gl_texture_unit
*texUnit
;
1140 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
1141 return (texUnit
->TexGenEnabled
& R_BIT
) ? GL_TRUE
: GL_FALSE
;
1143 case GL_TEXTURE_GEN_S
:
1145 const struct gl_texture_unit
*texUnit
;
1146 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
1147 return (texUnit
->TexGenEnabled
& S_BIT
) ? GL_TRUE
: GL_FALSE
;
1149 case GL_TEXTURE_GEN_T
:
1151 const struct gl_texture_unit
*texUnit
;
1152 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
1153 return (texUnit
->TexGenEnabled
& T_BIT
) ? GL_TRUE
: GL_FALSE
;
1159 case GL_VERTEX_ARRAY
:
1160 return (ctx
->Array
.ArrayObj
->Vertex
.Enabled
!= 0);
1161 case GL_NORMAL_ARRAY
:
1162 return (ctx
->Array
.ArrayObj
->Normal
.Enabled
!= 0);
1163 case GL_COLOR_ARRAY
:
1164 return (ctx
->Array
.ArrayObj
->Color
.Enabled
!= 0);
1165 case GL_INDEX_ARRAY
:
1166 return (ctx
->Array
.ArrayObj
->Index
.Enabled
!= 0);
1167 case GL_TEXTURE_COORD_ARRAY
:
1168 return (ctx
->Array
.ArrayObj
->TexCoord
[ctx
->Array
.ActiveTexture
].Enabled
!= 0);
1169 case GL_EDGE_FLAG_ARRAY
:
1170 return (ctx
->Array
.ArrayObj
->EdgeFlag
.Enabled
!= 0);
1171 case GL_FOG_COORDINATE_ARRAY_EXT
:
1172 CHECK_EXTENSION(EXT_fog_coord
);
1173 return (ctx
->Array
.ArrayObj
->FogCoord
.Enabled
!= 0);
1174 case GL_SECONDARY_COLOR_ARRAY_EXT
:
1175 CHECK_EXTENSION(EXT_secondary_color
);
1176 return (ctx
->Array
.ArrayObj
->SecondaryColor
.Enabled
!= 0);
1178 /* GL_EXT_histogram */
1180 CHECK_EXTENSION(EXT_histogram
);
1181 return ctx
->Pixel
.HistogramEnabled
;
1183 CHECK_EXTENSION(EXT_histogram
);
1184 return ctx
->Pixel
.MinMaxEnabled
;
1186 /* GL_SGI_color_table */
1187 case GL_COLOR_TABLE_SGI
:
1188 CHECK_EXTENSION(SGI_color_table
);
1189 return ctx
->Pixel
.ColorTableEnabled
[COLORTABLE_PRECONVOLUTION
];
1190 case GL_POST_CONVOLUTION_COLOR_TABLE_SGI
:
1191 CHECK_EXTENSION(SGI_color_table
);
1192 return ctx
->Pixel
.ColorTableEnabled
[COLORTABLE_POSTCONVOLUTION
];
1193 case GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI
:
1194 CHECK_EXTENSION(SGI_color_table
);
1195 return ctx
->Pixel
.ColorTableEnabled
[COLORTABLE_POSTCOLORMATRIX
];
1197 /* GL_SGI_texture_color_table */
1198 case GL_TEXTURE_COLOR_TABLE_SGI
:
1199 CHECK_EXTENSION(SGI_texture_color_table
);
1200 return ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
].ColorTableEnabled
;
1202 /* GL_EXT_convolution */
1203 case GL_CONVOLUTION_1D
:
1204 CHECK_EXTENSION(EXT_convolution
);
1205 return ctx
->Pixel
.Convolution1DEnabled
;
1206 case GL_CONVOLUTION_2D
:
1207 CHECK_EXTENSION(EXT_convolution
);
1208 return ctx
->Pixel
.Convolution2DEnabled
;
1209 case GL_SEPARABLE_2D
:
1210 CHECK_EXTENSION(EXT_convolution
);
1211 return ctx
->Pixel
.Separable2DEnabled
;
1213 /* GL_ARB_texture_cube_map */
1214 case GL_TEXTURE_CUBE_MAP_ARB
:
1215 CHECK_EXTENSION(ARB_texture_cube_map
);
1216 return is_texture_enabled(ctx
, TEXTURE_CUBE_BIT
);
1218 /* GL_EXT_secondary_color */
1219 case GL_COLOR_SUM_EXT
:
1220 CHECK_EXTENSION2(EXT_secondary_color
, ARB_vertex_program
);
1221 return ctx
->Fog
.ColorSumEnabled
;
1223 /* GL_ARB_multisample */
1224 case GL_MULTISAMPLE_ARB
:
1225 CHECK_EXTENSION(ARB_multisample
);
1226 return ctx
->Multisample
.Enabled
;
1227 case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB
:
1228 CHECK_EXTENSION(ARB_multisample
);
1229 return ctx
->Multisample
.SampleAlphaToCoverage
;
1230 case GL_SAMPLE_ALPHA_TO_ONE_ARB
:
1231 CHECK_EXTENSION(ARB_multisample
);
1232 return ctx
->Multisample
.SampleAlphaToOne
;
1233 case GL_SAMPLE_COVERAGE_ARB
:
1234 CHECK_EXTENSION(ARB_multisample
);
1235 return ctx
->Multisample
.SampleCoverage
;
1236 case GL_SAMPLE_COVERAGE_INVERT_ARB
:
1237 CHECK_EXTENSION(ARB_multisample
);
1238 return ctx
->Multisample
.SampleCoverageInvert
;
1240 /* GL_IBM_rasterpos_clip */
1241 case GL_RASTER_POSITION_UNCLIPPED_IBM
:
1242 CHECK_EXTENSION(IBM_rasterpos_clip
);
1243 return ctx
->Transform
.RasterPositionUnclipped
;
1245 /* GL_NV_point_sprite */
1246 case GL_POINT_SPRITE_NV
:
1247 CHECK_EXTENSION2(NV_point_sprite
, ARB_point_sprite
)
1248 return ctx
->Point
.PointSprite
;
1250 #if FEATURE_NV_vertex_program || FEATURE_ARB_vertex_program
1251 case GL_VERTEX_PROGRAM_ARB
:
1252 CHECK_EXTENSION2(ARB_vertex_program
, NV_vertex_program
);
1253 return ctx
->VertexProgram
.Enabled
;
1254 case GL_VERTEX_PROGRAM_POINT_SIZE_ARB
:
1255 CHECK_EXTENSION2(ARB_vertex_program
, NV_vertex_program
);
1256 return ctx
->VertexProgram
.PointSizeEnabled
;
1257 case GL_VERTEX_PROGRAM_TWO_SIDE_ARB
:
1258 CHECK_EXTENSION2(ARB_vertex_program
, NV_vertex_program
);
1259 return ctx
->VertexProgram
.TwoSideEnabled
;
1261 #if FEATURE_NV_vertex_program
1262 case GL_VERTEX_ATTRIB_ARRAY0_NV
:
1263 case GL_VERTEX_ATTRIB_ARRAY1_NV
:
1264 case GL_VERTEX_ATTRIB_ARRAY2_NV
:
1265 case GL_VERTEX_ATTRIB_ARRAY3_NV
:
1266 case GL_VERTEX_ATTRIB_ARRAY4_NV
:
1267 case GL_VERTEX_ATTRIB_ARRAY5_NV
:
1268 case GL_VERTEX_ATTRIB_ARRAY6_NV
:
1269 case GL_VERTEX_ATTRIB_ARRAY7_NV
:
1270 case GL_VERTEX_ATTRIB_ARRAY8_NV
:
1271 case GL_VERTEX_ATTRIB_ARRAY9_NV
:
1272 case GL_VERTEX_ATTRIB_ARRAY10_NV
:
1273 case GL_VERTEX_ATTRIB_ARRAY11_NV
:
1274 case GL_VERTEX_ATTRIB_ARRAY12_NV
:
1275 case GL_VERTEX_ATTRIB_ARRAY13_NV
:
1276 case GL_VERTEX_ATTRIB_ARRAY14_NV
:
1277 case GL_VERTEX_ATTRIB_ARRAY15_NV
:
1278 CHECK_EXTENSION(NV_vertex_program
);
1280 GLint n
= (GLint
) cap
- GL_VERTEX_ATTRIB_ARRAY0_NV
;
1281 return (ctx
->Array
.ArrayObj
->VertexAttrib
[n
].Enabled
!= 0);
1283 case GL_MAP1_VERTEX_ATTRIB0_4_NV
:
1284 case GL_MAP1_VERTEX_ATTRIB1_4_NV
:
1285 case GL_MAP1_VERTEX_ATTRIB2_4_NV
:
1286 case GL_MAP1_VERTEX_ATTRIB3_4_NV
:
1287 case GL_MAP1_VERTEX_ATTRIB4_4_NV
:
1288 case GL_MAP1_VERTEX_ATTRIB5_4_NV
:
1289 case GL_MAP1_VERTEX_ATTRIB6_4_NV
:
1290 case GL_MAP1_VERTEX_ATTRIB7_4_NV
:
1291 case GL_MAP1_VERTEX_ATTRIB8_4_NV
:
1292 case GL_MAP1_VERTEX_ATTRIB9_4_NV
:
1293 case GL_MAP1_VERTEX_ATTRIB10_4_NV
:
1294 case GL_MAP1_VERTEX_ATTRIB11_4_NV
:
1295 case GL_MAP1_VERTEX_ATTRIB12_4_NV
:
1296 case GL_MAP1_VERTEX_ATTRIB13_4_NV
:
1297 case GL_MAP1_VERTEX_ATTRIB14_4_NV
:
1298 case GL_MAP1_VERTEX_ATTRIB15_4_NV
:
1299 CHECK_EXTENSION(NV_vertex_program
);
1301 const GLuint map
= (GLuint
) (cap
- GL_MAP1_VERTEX_ATTRIB0_4_NV
);
1302 return ctx
->Eval
.Map1Attrib
[map
];
1304 case GL_MAP2_VERTEX_ATTRIB0_4_NV
:
1305 case GL_MAP2_VERTEX_ATTRIB1_4_NV
:
1306 case GL_MAP2_VERTEX_ATTRIB2_4_NV
:
1307 case GL_MAP2_VERTEX_ATTRIB3_4_NV
:
1308 case GL_MAP2_VERTEX_ATTRIB4_4_NV
:
1309 case GL_MAP2_VERTEX_ATTRIB5_4_NV
:
1310 case GL_MAP2_VERTEX_ATTRIB6_4_NV
:
1311 case GL_MAP2_VERTEX_ATTRIB7_4_NV
:
1312 case GL_MAP2_VERTEX_ATTRIB8_4_NV
:
1313 case GL_MAP2_VERTEX_ATTRIB9_4_NV
:
1314 case GL_MAP2_VERTEX_ATTRIB10_4_NV
:
1315 case GL_MAP2_VERTEX_ATTRIB11_4_NV
:
1316 case GL_MAP2_VERTEX_ATTRIB12_4_NV
:
1317 case GL_MAP2_VERTEX_ATTRIB13_4_NV
:
1318 case GL_MAP2_VERTEX_ATTRIB14_4_NV
:
1319 case GL_MAP2_VERTEX_ATTRIB15_4_NV
:
1320 CHECK_EXTENSION(NV_vertex_program
);
1322 const GLuint map
= (GLuint
) (cap
- GL_MAP2_VERTEX_ATTRIB0_4_NV
);
1323 return ctx
->Eval
.Map2Attrib
[map
];
1325 #endif /* FEATURE_NV_vertex_program */
1327 #if FEATURE_NV_fragment_program
1328 case GL_FRAGMENT_PROGRAM_NV
:
1329 CHECK_EXTENSION(NV_fragment_program
);
1330 return ctx
->FragmentProgram
.Enabled
;
1331 #endif /* FEATURE_NV_fragment_program */
1333 /* GL_NV_texture_rectangle */
1334 case GL_TEXTURE_RECTANGLE_NV
:
1335 CHECK_EXTENSION(NV_texture_rectangle
);
1336 return is_texture_enabled(ctx
, TEXTURE_RECT_BIT
);
1338 /* GL_EXT_stencil_two_side */
1339 case GL_STENCIL_TEST_TWO_SIDE_EXT
:
1340 CHECK_EXTENSION(EXT_stencil_two_side
);
1341 return ctx
->Stencil
.TestTwoSide
;
1343 #if FEATURE_ARB_fragment_program
1344 case GL_FRAGMENT_PROGRAM_ARB
:
1345 return ctx
->FragmentProgram
.Enabled
;
1346 #endif /* FEATURE_ARB_fragment_program */
1348 /* GL_EXT_depth_bounds_test */
1349 case GL_DEPTH_BOUNDS_TEST_EXT
:
1350 CHECK_EXTENSION(EXT_depth_bounds_test
);
1351 return ctx
->Depth
.BoundsTest
;
1353 /* GL_MESA_program_debug */
1354 #if FEATURE_MESA_program_debug
1355 case GL_FRAGMENT_PROGRAM_CALLBACK_MESA
:
1356 CHECK_EXTENSION(MESA_program_debug
);
1357 return ctx
->FragmentProgram
.CallbackEnabled
;
1358 case GL_VERTEX_PROGRAM_CALLBACK_MESA
:
1359 CHECK_EXTENSION(MESA_program_debug
);
1360 return ctx
->VertexProgram
.CallbackEnabled
;
1363 #if FEATURE_ATI_fragment_shader
1364 case GL_FRAGMENT_SHADER_ATI
:
1365 CHECK_EXTENSION(ATI_fragment_shader
);
1366 return ctx
->ATIFragmentShader
.Enabled
;
1367 #endif /* FEATURE_ATI_fragment_shader */
1369 _mesa_error(ctx
, GL_INVALID_ENUM
, "glIsEnabled(0x%x)", (int) cap
);