3 * Enable/disable/query GL capabilities.
7 * Mesa 3-D graphics library
10 * Copyright (C) 1999-2007 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 "api_arrayelt.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_point_size_array
96 case GL_POINT_SIZE_ARRAY_OES
:
97 var
= &ctx
->Array
.ArrayObj
->PointSize
.Enabled
;
98 flag
= _NEW_ARRAY_POINT_SIZE
;
102 #if FEATURE_NV_vertex_program
103 case GL_VERTEX_ATTRIB_ARRAY0_NV
:
104 case GL_VERTEX_ATTRIB_ARRAY1_NV
:
105 case GL_VERTEX_ATTRIB_ARRAY2_NV
:
106 case GL_VERTEX_ATTRIB_ARRAY3_NV
:
107 case GL_VERTEX_ATTRIB_ARRAY4_NV
:
108 case GL_VERTEX_ATTRIB_ARRAY5_NV
:
109 case GL_VERTEX_ATTRIB_ARRAY6_NV
:
110 case GL_VERTEX_ATTRIB_ARRAY7_NV
:
111 case GL_VERTEX_ATTRIB_ARRAY8_NV
:
112 case GL_VERTEX_ATTRIB_ARRAY9_NV
:
113 case GL_VERTEX_ATTRIB_ARRAY10_NV
:
114 case GL_VERTEX_ATTRIB_ARRAY11_NV
:
115 case GL_VERTEX_ATTRIB_ARRAY12_NV
:
116 case GL_VERTEX_ATTRIB_ARRAY13_NV
:
117 case GL_VERTEX_ATTRIB_ARRAY14_NV
:
118 case GL_VERTEX_ATTRIB_ARRAY15_NV
:
119 CHECK_EXTENSION(NV_vertex_program
, cap
);
121 GLint n
= (GLint
) cap
- GL_VERTEX_ATTRIB_ARRAY0_NV
;
122 ASSERT(n
< Elements(ctx
->Array
.ArrayObj
->VertexAttrib
));
123 var
= &ctx
->Array
.ArrayObj
->VertexAttrib
[n
].Enabled
;
124 flag
= _NEW_ARRAY_ATTRIB(n
);
127 #endif /* FEATURE_NV_vertex_program */
130 _mesa_error( ctx
, GL_INVALID_ENUM
,
131 "glEnable/DisableClientState(0x%x)", cap
);
138 FLUSH_VERTICES(ctx
, _NEW_ARRAY
);
139 ctx
->Array
.NewState
|= flag
;
141 _ae_invalidate_state(ctx
, _NEW_ARRAY
);
146 ctx
->Array
.ArrayObj
->_Enabled
|= flag
;
148 ctx
->Array
.ArrayObj
->_Enabled
&= ~flag
;
150 if (ctx
->Driver
.Enable
) {
151 ctx
->Driver
.Enable( ctx
, cap
, state
);
157 * Enable GL capability.
158 * \param cap state to enable/disable.
160 * Get's the current context, assures that we're outside glBegin()/glEnd() and
161 * calls client_state().
164 _mesa_EnableClientState( GLenum cap
)
166 GET_CURRENT_CONTEXT(ctx
);
167 ASSERT_OUTSIDE_BEGIN_END(ctx
);
168 client_state( ctx
, cap
, GL_TRUE
);
173 * Disable GL capability.
174 * \param cap state to enable/disable.
176 * Get's the current context, assures that we're outside glBegin()/glEnd() and
177 * calls client_state().
180 _mesa_DisableClientState( GLenum cap
)
182 GET_CURRENT_CONTEXT(ctx
);
183 ASSERT_OUTSIDE_BEGIN_END(ctx
);
184 client_state( ctx
, cap
, GL_FALSE
);
188 #undef CHECK_EXTENSION
189 #define CHECK_EXTENSION(EXTNAME, CAP) \
190 if (!ctx->Extensions.EXTNAME) { \
191 _mesa_error(ctx, GL_INVALID_ENUM, "gl%s(0x%x)", \
192 state ? "Enable" : "Disable", CAP); \
196 #define CHECK_EXTENSION2(EXT1, EXT2, CAP) \
197 if (!ctx->Extensions.EXT1 && !ctx->Extensions.EXT2) { \
198 _mesa_error(ctx, GL_INVALID_ENUM, "gl%s(0x%x)", \
199 state ? "Enable" : "Disable", CAP); \
206 * Return pointer to current texture unit for setting/getting coordinate
208 * Note that we'll set GL_INVALID_OPERATION if the active texture unit is
209 * higher than the number of supported coordinate units. And we'll return NULL.
211 static struct gl_texture_unit
*
212 get_texcoord_unit(GLcontext
*ctx
)
214 if (ctx
->Texture
.CurrentUnit
>= ctx
->Const
.MaxTextureCoordUnits
) {
215 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glEnable/Disable(texcoord unit)");
219 return &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
225 * Helper function to enable or disable a texture target.
226 * \param bit one of the TEXTURE_x_BIT values
227 * \return GL_TRUE if state is changing or GL_FALSE if no change
230 enable_texture(GLcontext
*ctx
, GLboolean state
, GLbitfield texBit
)
232 struct gl_texture_unit
*texUnit
= _mesa_get_current_tex_unit(ctx
);
233 const GLbitfield newenabled
= state
234 ? (texUnit
->Enabled
| texBit
) : (texUnit
->Enabled
& ~texBit
);
236 if (texUnit
->Enabled
== newenabled
)
239 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
240 texUnit
->Enabled
= newenabled
;
246 * Helper function to enable or disable state.
248 * \param ctx GL context.
249 * \param cap the state to enable/disable
250 * \param state whether to enable or disable the specified capability.
252 * Updates the current context and flushes the vertices as needed. For
253 * capabilities associated with extensions it verifies that those extensions
254 * are effectivly present before updating. Notifies the driver via
255 * dd_function_table::Enable.
258 _mesa_set_enable(GLcontext
*ctx
, GLenum cap
, GLboolean state
)
260 if (MESA_VERBOSE
& VERBOSE_API
)
261 _mesa_debug(ctx
, "%s %s (newstate is %x)\n",
262 state
? "glEnable" : "glDisable",
263 _mesa_lookup_enum_by_nr(cap
),
268 if (ctx
->Color
.AlphaEnabled
== state
)
270 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
271 ctx
->Color
.AlphaEnabled
= state
;
274 if (ctx
->Eval
.AutoNormal
== state
)
276 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
277 ctx
->Eval
.AutoNormal
= state
;
280 if (ctx
->Color
.BlendEnabled
== state
)
282 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
283 ctx
->Color
.BlendEnabled
= state
;
293 const GLuint p
= cap
- GL_CLIP_PLANE0
;
295 if ((ctx
->Transform
.ClipPlanesEnabled
& (1 << p
)) == ((GLuint
) state
<< p
))
298 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
301 ctx
->Transform
.ClipPlanesEnabled
|= (1 << p
);
303 if (_math_matrix_is_dirty(ctx
->ProjectionMatrixStack
.Top
))
304 _math_matrix_analyse( ctx
->ProjectionMatrixStack
.Top
);
306 /* This derived state also calculated in clip.c and
307 * from _mesa_update_state() on changes to EyeUserPlane
308 * and ctx->ProjectionMatrix respectively.
310 _mesa_transform_vector( ctx
->Transform
._ClipUserPlane
[p
],
311 ctx
->Transform
.EyeUserPlane
[p
],
312 ctx
->ProjectionMatrixStack
.Top
->inv
);
315 ctx
->Transform
.ClipPlanesEnabled
&= ~(1 << p
);
320 case GL_COLOR_MATERIAL
:
321 if (ctx
->Light
.ColorMaterialEnabled
== state
)
323 FLUSH_VERTICES(ctx
, _NEW_LIGHT
);
324 FLUSH_CURRENT(ctx
, 0);
325 ctx
->Light
.ColorMaterialEnabled
= state
;
327 _mesa_update_color_material( ctx
,
328 ctx
->Current
.Attrib
[VERT_ATTRIB_COLOR0
] );
332 if (ctx
->Polygon
.CullFlag
== state
)
334 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
335 ctx
->Polygon
.CullFlag
= state
;
337 case GL_CULL_VERTEX_EXT
:
338 CHECK_EXTENSION(EXT_cull_vertex
, cap
);
339 if (ctx
->Transform
.CullVertexFlag
== state
)
341 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
342 ctx
->Transform
.CullVertexFlag
= state
;
345 if (ctx
->Depth
.Test
== state
)
347 FLUSH_VERTICES(ctx
, _NEW_DEPTH
);
348 ctx
->Depth
.Test
= state
;
352 state
= GL_FALSE
; /* MESA_NO_DITHER env var */
354 if (ctx
->Color
.DitherFlag
== state
)
356 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
357 ctx
->Color
.DitherFlag
= state
;
360 if (ctx
->Fog
.Enabled
== state
)
362 FLUSH_VERTICES(ctx
, _NEW_FOG
);
363 ctx
->Fog
.Enabled
= state
;
366 CHECK_EXTENSION(EXT_histogram
, cap
);
367 if (ctx
->Pixel
.HistogramEnabled
== state
)
369 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
370 ctx
->Pixel
.HistogramEnabled
= state
;
380 if (ctx
->Light
.Light
[cap
-GL_LIGHT0
].Enabled
== state
)
382 FLUSH_VERTICES(ctx
, _NEW_LIGHT
);
383 ctx
->Light
.Light
[cap
-GL_LIGHT0
].Enabled
= state
;
385 insert_at_tail(&ctx
->Light
.EnabledList
,
386 &ctx
->Light
.Light
[cap
-GL_LIGHT0
]);
389 remove_from_list(&ctx
->Light
.Light
[cap
-GL_LIGHT0
]);
393 if (ctx
->Light
.Enabled
== state
)
395 FLUSH_VERTICES(ctx
, _NEW_LIGHT
);
396 ctx
->Light
.Enabled
= state
;
397 if (ctx
->Light
.Enabled
&& ctx
->Light
.Model
.TwoSide
)
398 ctx
->_TriangleCaps
|= DD_TRI_LIGHT_TWOSIDE
;
400 ctx
->_TriangleCaps
&= ~DD_TRI_LIGHT_TWOSIDE
;
403 if (ctx
->Line
.SmoothFlag
== state
)
405 FLUSH_VERTICES(ctx
, _NEW_LINE
);
406 ctx
->Line
.SmoothFlag
= state
;
407 ctx
->_TriangleCaps
^= DD_LINE_SMOOTH
;
409 case GL_LINE_STIPPLE
:
410 if (ctx
->Line
.StippleFlag
== state
)
412 FLUSH_VERTICES(ctx
, _NEW_LINE
);
413 ctx
->Line
.StippleFlag
= state
;
414 ctx
->_TriangleCaps
^= DD_LINE_STIPPLE
;
416 case GL_INDEX_LOGIC_OP
:
417 if (ctx
->Color
.IndexLogicOpEnabled
== state
)
419 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
420 ctx
->Color
.IndexLogicOpEnabled
= state
;
422 case GL_COLOR_LOGIC_OP
:
423 if (ctx
->Color
.ColorLogicOpEnabled
== state
)
425 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
426 ctx
->Color
.ColorLogicOpEnabled
= state
;
428 case GL_MAP1_COLOR_4
:
429 if (ctx
->Eval
.Map1Color4
== state
)
431 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
432 ctx
->Eval
.Map1Color4
= state
;
435 if (ctx
->Eval
.Map1Index
== state
)
437 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
438 ctx
->Eval
.Map1Index
= state
;
441 if (ctx
->Eval
.Map1Normal
== state
)
443 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
444 ctx
->Eval
.Map1Normal
= state
;
446 case GL_MAP1_TEXTURE_COORD_1
:
447 if (ctx
->Eval
.Map1TextureCoord1
== state
)
449 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
450 ctx
->Eval
.Map1TextureCoord1
= state
;
452 case GL_MAP1_TEXTURE_COORD_2
:
453 if (ctx
->Eval
.Map1TextureCoord2
== state
)
455 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
456 ctx
->Eval
.Map1TextureCoord2
= state
;
458 case GL_MAP1_TEXTURE_COORD_3
:
459 if (ctx
->Eval
.Map1TextureCoord3
== state
)
461 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
462 ctx
->Eval
.Map1TextureCoord3
= state
;
464 case GL_MAP1_TEXTURE_COORD_4
:
465 if (ctx
->Eval
.Map1TextureCoord4
== state
)
467 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
468 ctx
->Eval
.Map1TextureCoord4
= state
;
470 case GL_MAP1_VERTEX_3
:
471 if (ctx
->Eval
.Map1Vertex3
== state
)
473 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
474 ctx
->Eval
.Map1Vertex3
= state
;
476 case GL_MAP1_VERTEX_4
:
477 if (ctx
->Eval
.Map1Vertex4
== state
)
479 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
480 ctx
->Eval
.Map1Vertex4
= state
;
482 case GL_MAP2_COLOR_4
:
483 if (ctx
->Eval
.Map2Color4
== state
)
485 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
486 ctx
->Eval
.Map2Color4
= state
;
489 if (ctx
->Eval
.Map2Index
== state
)
491 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
492 ctx
->Eval
.Map2Index
= state
;
495 if (ctx
->Eval
.Map2Normal
== state
)
497 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
498 ctx
->Eval
.Map2Normal
= state
;
500 case GL_MAP2_TEXTURE_COORD_1
:
501 if (ctx
->Eval
.Map2TextureCoord1
== state
)
503 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
504 ctx
->Eval
.Map2TextureCoord1
= state
;
506 case GL_MAP2_TEXTURE_COORD_2
:
507 if (ctx
->Eval
.Map2TextureCoord2
== state
)
509 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
510 ctx
->Eval
.Map2TextureCoord2
= state
;
512 case GL_MAP2_TEXTURE_COORD_3
:
513 if (ctx
->Eval
.Map2TextureCoord3
== state
)
515 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
516 ctx
->Eval
.Map2TextureCoord3
= state
;
518 case GL_MAP2_TEXTURE_COORD_4
:
519 if (ctx
->Eval
.Map2TextureCoord4
== state
)
521 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
522 ctx
->Eval
.Map2TextureCoord4
= state
;
524 case GL_MAP2_VERTEX_3
:
525 if (ctx
->Eval
.Map2Vertex3
== state
)
527 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
528 ctx
->Eval
.Map2Vertex3
= state
;
530 case GL_MAP2_VERTEX_4
:
531 if (ctx
->Eval
.Map2Vertex4
== state
)
533 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
534 ctx
->Eval
.Map2Vertex4
= state
;
537 if (ctx
->Pixel
.MinMaxEnabled
== state
)
539 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
540 ctx
->Pixel
.MinMaxEnabled
= state
;
543 if (ctx
->Transform
.Normalize
== state
)
545 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
546 ctx
->Transform
.Normalize
= state
;
548 case GL_POINT_SMOOTH
:
549 if (ctx
->Point
.SmoothFlag
== state
)
551 FLUSH_VERTICES(ctx
, _NEW_POINT
);
552 ctx
->Point
.SmoothFlag
= state
;
553 ctx
->_TriangleCaps
^= DD_POINT_SMOOTH
;
555 case GL_POLYGON_SMOOTH
:
556 if (ctx
->Polygon
.SmoothFlag
== state
)
558 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
559 ctx
->Polygon
.SmoothFlag
= state
;
560 ctx
->_TriangleCaps
^= DD_TRI_SMOOTH
;
562 case GL_POLYGON_STIPPLE
:
563 if (ctx
->Polygon
.StippleFlag
== state
)
565 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
566 ctx
->Polygon
.StippleFlag
= state
;
567 ctx
->_TriangleCaps
^= DD_TRI_STIPPLE
;
569 case GL_POLYGON_OFFSET_POINT
:
570 if (ctx
->Polygon
.OffsetPoint
== state
)
572 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
573 ctx
->Polygon
.OffsetPoint
= state
;
575 case GL_POLYGON_OFFSET_LINE
:
576 if (ctx
->Polygon
.OffsetLine
== state
)
578 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
579 ctx
->Polygon
.OffsetLine
= state
;
581 case GL_POLYGON_OFFSET_FILL
:
582 /*case GL_POLYGON_OFFSET_EXT:*/
583 if (ctx
->Polygon
.OffsetFill
== state
)
585 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
586 ctx
->Polygon
.OffsetFill
= state
;
588 case GL_RESCALE_NORMAL_EXT
:
589 if (ctx
->Transform
.RescaleNormals
== state
)
591 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
592 ctx
->Transform
.RescaleNormals
= state
;
594 case GL_SCISSOR_TEST
:
595 if (ctx
->Scissor
.Enabled
== state
)
597 FLUSH_VERTICES(ctx
, _NEW_SCISSOR
);
598 ctx
->Scissor
.Enabled
= state
;
600 case GL_SHARED_TEXTURE_PALETTE_EXT
:
601 if (ctx
->Texture
.SharedPalette
== state
)
603 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
604 ctx
->Texture
.SharedPalette
= state
;
606 case GL_STENCIL_TEST
:
607 if (ctx
->Stencil
.Enabled
== state
)
609 FLUSH_VERTICES(ctx
, _NEW_STENCIL
);
610 ctx
->Stencil
.Enabled
= state
;
613 if (!enable_texture(ctx
, state
, TEXTURE_1D_BIT
)) {
618 if (!enable_texture(ctx
, state
, TEXTURE_2D_BIT
)) {
623 if (!enable_texture(ctx
, state
, TEXTURE_3D_BIT
)) {
627 case GL_TEXTURE_GEN_Q
:
629 struct gl_texture_unit
*texUnit
= get_texcoord_unit(ctx
);
631 GLuint newenabled
= texUnit
->TexGenEnabled
& ~Q_BIT
;
634 if (texUnit
->TexGenEnabled
== newenabled
)
636 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
637 texUnit
->TexGenEnabled
= newenabled
;
641 case GL_TEXTURE_GEN_R
:
643 struct gl_texture_unit
*texUnit
= get_texcoord_unit(ctx
);
645 GLuint newenabled
= texUnit
->TexGenEnabled
& ~R_BIT
;
648 if (texUnit
->TexGenEnabled
== newenabled
)
650 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
651 texUnit
->TexGenEnabled
= newenabled
;
655 case GL_TEXTURE_GEN_S
:
657 struct gl_texture_unit
*texUnit
= get_texcoord_unit(ctx
);
659 GLuint newenabled
= texUnit
->TexGenEnabled
& ~S_BIT
;
662 if (texUnit
->TexGenEnabled
== newenabled
)
664 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
665 texUnit
->TexGenEnabled
= newenabled
;
669 case GL_TEXTURE_GEN_T
:
671 struct gl_texture_unit
*texUnit
= get_texcoord_unit(ctx
);
673 GLuint newenabled
= texUnit
->TexGenEnabled
& ~T_BIT
;
676 if (texUnit
->TexGenEnabled
== newenabled
)
678 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
679 texUnit
->TexGenEnabled
= newenabled
;
687 case GL_VERTEX_ARRAY
:
688 case GL_NORMAL_ARRAY
:
691 case GL_TEXTURE_COORD_ARRAY
:
692 case GL_EDGE_FLAG_ARRAY
:
693 case GL_FOG_COORDINATE_ARRAY_EXT
:
694 case GL_SECONDARY_COLOR_ARRAY_EXT
:
695 case GL_POINT_SIZE_ARRAY_OES
:
696 client_state( ctx
, cap
, state
);
699 /* GL_SGI_color_table */
700 case GL_COLOR_TABLE_SGI
:
701 CHECK_EXTENSION(SGI_color_table
, cap
);
702 if (ctx
->Pixel
.ColorTableEnabled
[COLORTABLE_PRECONVOLUTION
] == state
)
704 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
705 ctx
->Pixel
.ColorTableEnabled
[COLORTABLE_PRECONVOLUTION
] = state
;
707 case GL_POST_CONVOLUTION_COLOR_TABLE_SGI
:
708 CHECK_EXTENSION(SGI_color_table
, cap
);
709 if (ctx
->Pixel
.ColorTableEnabled
[COLORTABLE_POSTCONVOLUTION
] == state
)
711 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
712 ctx
->Pixel
.ColorTableEnabled
[COLORTABLE_POSTCONVOLUTION
] = state
;
714 case GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI
:
715 CHECK_EXTENSION(SGI_color_table
, cap
);
716 if (ctx
->Pixel
.ColorTableEnabled
[COLORTABLE_POSTCOLORMATRIX
] == state
)
718 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
719 ctx
->Pixel
.ColorTableEnabled
[COLORTABLE_POSTCOLORMATRIX
] = state
;
721 case GL_TEXTURE_COLOR_TABLE_SGI
:
722 CHECK_EXTENSION(SGI_texture_color_table
, cap
);
723 if (ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
].ColorTableEnabled
== state
)
725 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
726 ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
].ColorTableEnabled
= state
;
729 /* GL_EXT_convolution */
730 case GL_CONVOLUTION_1D
:
731 CHECK_EXTENSION(EXT_convolution
, cap
);
732 if (ctx
->Pixel
.Convolution1DEnabled
== state
)
734 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
735 ctx
->Pixel
.Convolution1DEnabled
= state
;
737 case GL_CONVOLUTION_2D
:
738 CHECK_EXTENSION(EXT_convolution
, cap
);
739 if (ctx
->Pixel
.Convolution2DEnabled
== state
)
741 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
742 ctx
->Pixel
.Convolution2DEnabled
= state
;
744 case GL_SEPARABLE_2D
:
745 CHECK_EXTENSION(EXT_convolution
, cap
);
746 if (ctx
->Pixel
.Separable2DEnabled
== state
)
748 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
749 ctx
->Pixel
.Separable2DEnabled
= state
;
752 /* GL_ARB_texture_cube_map */
753 case GL_TEXTURE_CUBE_MAP_ARB
:
754 CHECK_EXTENSION(ARB_texture_cube_map
, cap
);
755 if (!enable_texture(ctx
, state
, TEXTURE_CUBE_BIT
)) {
760 /* GL_EXT_secondary_color */
761 case GL_COLOR_SUM_EXT
:
762 CHECK_EXTENSION2(EXT_secondary_color
, ARB_vertex_program
, cap
);
763 if (ctx
->Fog
.ColorSumEnabled
== state
)
765 FLUSH_VERTICES(ctx
, _NEW_FOG
);
766 ctx
->Fog
.ColorSumEnabled
= state
;
769 /* GL_ARB_multisample */
770 case GL_MULTISAMPLE_ARB
:
771 if (ctx
->Multisample
.Enabled
== state
)
773 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
774 ctx
->Multisample
.Enabled
= state
;
776 case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB
:
777 if (ctx
->Multisample
.SampleAlphaToCoverage
== state
)
779 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
780 ctx
->Multisample
.SampleAlphaToCoverage
= state
;
782 case GL_SAMPLE_ALPHA_TO_ONE_ARB
:
783 if (ctx
->Multisample
.SampleAlphaToOne
== state
)
785 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
786 ctx
->Multisample
.SampleAlphaToOne
= state
;
788 case GL_SAMPLE_COVERAGE_ARB
:
789 if (ctx
->Multisample
.SampleCoverage
== state
)
791 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
792 ctx
->Multisample
.SampleCoverage
= state
;
794 case GL_SAMPLE_COVERAGE_INVERT_ARB
:
795 if (ctx
->Multisample
.SampleCoverageInvert
== state
)
797 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
798 ctx
->Multisample
.SampleCoverageInvert
= state
;
801 /* GL_IBM_rasterpos_clip */
802 case GL_RASTER_POSITION_UNCLIPPED_IBM
:
803 CHECK_EXTENSION(IBM_rasterpos_clip
, cap
);
804 if (ctx
->Transform
.RasterPositionUnclipped
== state
)
806 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
807 ctx
->Transform
.RasterPositionUnclipped
= state
;
810 /* GL_NV_point_sprite */
811 case GL_POINT_SPRITE_NV
:
812 CHECK_EXTENSION2(NV_point_sprite
, ARB_point_sprite
, cap
);
813 if (ctx
->Point
.PointSprite
== state
)
815 FLUSH_VERTICES(ctx
, _NEW_POINT
);
816 ctx
->Point
.PointSprite
= state
;
819 #if FEATURE_NV_vertex_program || FEATURE_ARB_vertex_program
820 case GL_VERTEX_PROGRAM_ARB
:
821 CHECK_EXTENSION2(ARB_vertex_program
, NV_vertex_program
, cap
);
822 if (ctx
->VertexProgram
.Enabled
== state
)
824 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
825 ctx
->VertexProgram
.Enabled
= state
;
827 case GL_VERTEX_PROGRAM_POINT_SIZE_ARB
:
828 CHECK_EXTENSION2(ARB_vertex_program
, NV_vertex_program
, cap
);
829 if (ctx
->VertexProgram
.PointSizeEnabled
== state
)
831 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
832 ctx
->VertexProgram
.PointSizeEnabled
= state
;
834 case GL_VERTEX_PROGRAM_TWO_SIDE_ARB
:
835 CHECK_EXTENSION2(ARB_vertex_program
, NV_vertex_program
, cap
);
836 if (ctx
->VertexProgram
.TwoSideEnabled
== state
)
838 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
839 ctx
->VertexProgram
.TwoSideEnabled
= state
;
842 #if FEATURE_NV_vertex_program
843 case GL_MAP1_VERTEX_ATTRIB0_4_NV
:
844 case GL_MAP1_VERTEX_ATTRIB1_4_NV
:
845 case GL_MAP1_VERTEX_ATTRIB2_4_NV
:
846 case GL_MAP1_VERTEX_ATTRIB3_4_NV
:
847 case GL_MAP1_VERTEX_ATTRIB4_4_NV
:
848 case GL_MAP1_VERTEX_ATTRIB5_4_NV
:
849 case GL_MAP1_VERTEX_ATTRIB6_4_NV
:
850 case GL_MAP1_VERTEX_ATTRIB7_4_NV
:
851 case GL_MAP1_VERTEX_ATTRIB8_4_NV
:
852 case GL_MAP1_VERTEX_ATTRIB9_4_NV
:
853 case GL_MAP1_VERTEX_ATTRIB10_4_NV
:
854 case GL_MAP1_VERTEX_ATTRIB11_4_NV
:
855 case GL_MAP1_VERTEX_ATTRIB12_4_NV
:
856 case GL_MAP1_VERTEX_ATTRIB13_4_NV
:
857 case GL_MAP1_VERTEX_ATTRIB14_4_NV
:
858 case GL_MAP1_VERTEX_ATTRIB15_4_NV
:
859 CHECK_EXTENSION(NV_vertex_program
, cap
);
861 const GLuint map
= (GLuint
) (cap
- GL_MAP1_VERTEX_ATTRIB0_4_NV
);
862 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
863 ctx
->Eval
.Map1Attrib
[map
] = state
;
866 case GL_MAP2_VERTEX_ATTRIB0_4_NV
:
867 case GL_MAP2_VERTEX_ATTRIB1_4_NV
:
868 case GL_MAP2_VERTEX_ATTRIB2_4_NV
:
869 case GL_MAP2_VERTEX_ATTRIB3_4_NV
:
870 case GL_MAP2_VERTEX_ATTRIB4_4_NV
:
871 case GL_MAP2_VERTEX_ATTRIB5_4_NV
:
872 case GL_MAP2_VERTEX_ATTRIB6_4_NV
:
873 case GL_MAP2_VERTEX_ATTRIB7_4_NV
:
874 case GL_MAP2_VERTEX_ATTRIB8_4_NV
:
875 case GL_MAP2_VERTEX_ATTRIB9_4_NV
:
876 case GL_MAP2_VERTEX_ATTRIB10_4_NV
:
877 case GL_MAP2_VERTEX_ATTRIB11_4_NV
:
878 case GL_MAP2_VERTEX_ATTRIB12_4_NV
:
879 case GL_MAP2_VERTEX_ATTRIB13_4_NV
:
880 case GL_MAP2_VERTEX_ATTRIB14_4_NV
:
881 case GL_MAP2_VERTEX_ATTRIB15_4_NV
:
882 CHECK_EXTENSION(NV_vertex_program
, cap
);
884 const GLuint map
= (GLuint
) (cap
- GL_MAP2_VERTEX_ATTRIB0_4_NV
);
885 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
886 ctx
->Eval
.Map2Attrib
[map
] = state
;
889 #endif /* FEATURE_NV_vertex_program */
891 #if FEATURE_NV_fragment_program
892 case GL_FRAGMENT_PROGRAM_NV
:
893 CHECK_EXTENSION(NV_fragment_program
, cap
);
894 if (ctx
->FragmentProgram
.Enabled
== state
)
896 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
897 ctx
->FragmentProgram
.Enabled
= state
;
899 #endif /* FEATURE_NV_fragment_program */
901 /* GL_NV_texture_rectangle */
902 case GL_TEXTURE_RECTANGLE_NV
:
903 CHECK_EXTENSION(NV_texture_rectangle
, cap
);
904 if (!enable_texture(ctx
, state
, TEXTURE_RECT_BIT
)) {
909 /* GL_EXT_stencil_two_side */
910 case GL_STENCIL_TEST_TWO_SIDE_EXT
:
911 CHECK_EXTENSION(EXT_stencil_two_side
, cap
);
912 if (ctx
->Stencil
.TestTwoSide
== state
)
914 FLUSH_VERTICES(ctx
, _NEW_STENCIL
);
915 ctx
->Stencil
.TestTwoSide
= state
;
917 ctx
->Stencil
._BackFace
= 2;
918 ctx
->_TriangleCaps
|= DD_TRI_TWOSTENCIL
;
920 ctx
->Stencil
._BackFace
= 1;
921 ctx
->_TriangleCaps
&= ~DD_TRI_TWOSTENCIL
;
925 #if FEATURE_ARB_fragment_program
926 case GL_FRAGMENT_PROGRAM_ARB
:
927 CHECK_EXTENSION(ARB_fragment_program
, cap
);
928 if (ctx
->FragmentProgram
.Enabled
== state
)
930 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
931 ctx
->FragmentProgram
.Enabled
= state
;
933 #endif /* FEATURE_ARB_fragment_program */
935 /* GL_EXT_depth_bounds_test */
936 case GL_DEPTH_BOUNDS_TEST_EXT
:
937 CHECK_EXTENSION(EXT_depth_bounds_test
, cap
);
938 if (ctx
->Depth
.BoundsTest
== state
)
940 FLUSH_VERTICES(ctx
, _NEW_DEPTH
);
941 ctx
->Depth
.BoundsTest
= state
;
945 if (ctx
->Transform
.DepthClamp
== state
)
947 CHECK_EXTENSION(ARB_depth_clamp
, cap
);
948 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
949 ctx
->Transform
.DepthClamp
= state
;
952 #if FEATURE_ATI_fragment_shader
953 case GL_FRAGMENT_SHADER_ATI
:
954 CHECK_EXTENSION(ATI_fragment_shader
, cap
);
955 if (ctx
->ATIFragmentShader
.Enabled
== state
)
957 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
958 ctx
->ATIFragmentShader
.Enabled
= state
;
962 /* GL_MESA_texture_array */
963 case GL_TEXTURE_1D_ARRAY_EXT
:
964 CHECK_EXTENSION(MESA_texture_array
, cap
);
965 if (!enable_texture(ctx
, state
, TEXTURE_1D_ARRAY_BIT
)) {
970 case GL_TEXTURE_2D_ARRAY_EXT
:
971 CHECK_EXTENSION(MESA_texture_array
, cap
);
972 if (!enable_texture(ctx
, state
, TEXTURE_2D_ARRAY_BIT
)) {
977 case GL_TEXTURE_CUBE_MAP_SEAMLESS
:
978 CHECK_EXTENSION(ARB_seamless_cube_map
, cap
);
979 ctx
->Texture
.CubeMapSeamless
= state
;
983 _mesa_error(ctx
, GL_INVALID_ENUM
,
984 "%s(0x%x)", state
? "glEnable" : "glDisable", cap
);
988 if (ctx
->Driver
.Enable
) {
989 ctx
->Driver
.Enable( ctx
, cap
, state
);
995 * Enable GL capability. Called by glEnable()
996 * \param cap state to enable.
999 _mesa_Enable( GLenum cap
)
1001 GET_CURRENT_CONTEXT(ctx
);
1002 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1004 _mesa_set_enable( ctx
, cap
, GL_TRUE
);
1009 * Disable GL capability. Called by glDisable()
1010 * \param cap state to disable.
1013 _mesa_Disable( GLenum cap
)
1015 GET_CURRENT_CONTEXT(ctx
);
1016 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1018 _mesa_set_enable( ctx
, cap
, GL_FALSE
);
1022 #undef CHECK_EXTENSION
1023 #define CHECK_EXTENSION(EXTNAME) \
1024 if (!ctx->Extensions.EXTNAME) { \
1025 _mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabled"); \
1029 #undef CHECK_EXTENSION2
1030 #define CHECK_EXTENSION2(EXT1, EXT2) \
1031 if (!ctx->Extensions.EXT1 && !ctx->Extensions.EXT2) { \
1032 _mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabled"); \
1038 * Helper function to determine whether a texture target is enabled.
1041 is_texture_enabled(GLcontext
*ctx
, GLbitfield bit
)
1043 const struct gl_texture_unit
*const texUnit
=
1044 &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
1045 return (texUnit
->Enabled
& bit
) ? GL_TRUE
: GL_FALSE
;
1050 * Return simple enable/disable state.
1052 * \param cap state variable to query.
1054 * Returns the state of the specified capability from the current GL context.
1055 * For the capabilities associated with extensions verifies that those
1056 * extensions are effectively present before reporting.
1058 GLboolean GLAPIENTRY
1059 _mesa_IsEnabled( GLenum cap
)
1061 GET_CURRENT_CONTEXT(ctx
);
1064 return ctx
->Color
.AlphaEnabled
;
1065 case GL_AUTO_NORMAL
:
1066 return ctx
->Eval
.AutoNormal
;
1068 return ctx
->Color
.BlendEnabled
;
1069 case GL_CLIP_PLANE0
:
1070 case GL_CLIP_PLANE1
:
1071 case GL_CLIP_PLANE2
:
1072 case GL_CLIP_PLANE3
:
1073 case GL_CLIP_PLANE4
:
1074 case GL_CLIP_PLANE5
:
1075 return (ctx
->Transform
.ClipPlanesEnabled
>> (cap
- GL_CLIP_PLANE0
)) & 1;
1076 case GL_COLOR_MATERIAL
:
1077 return ctx
->Light
.ColorMaterialEnabled
;
1079 return ctx
->Polygon
.CullFlag
;
1081 return ctx
->Depth
.Test
;
1083 return ctx
->Color
.DitherFlag
;
1085 return ctx
->Fog
.Enabled
;
1087 return ctx
->Light
.Enabled
;
1096 return ctx
->Light
.Light
[cap
-GL_LIGHT0
].Enabled
;
1097 case GL_LINE_SMOOTH
:
1098 return ctx
->Line
.SmoothFlag
;
1099 case GL_LINE_STIPPLE
:
1100 return ctx
->Line
.StippleFlag
;
1101 case GL_INDEX_LOGIC_OP
:
1102 return ctx
->Color
.IndexLogicOpEnabled
;
1103 case GL_COLOR_LOGIC_OP
:
1104 return ctx
->Color
.ColorLogicOpEnabled
;
1105 case GL_MAP1_COLOR_4
:
1106 return ctx
->Eval
.Map1Color4
;
1108 return ctx
->Eval
.Map1Index
;
1109 case GL_MAP1_NORMAL
:
1110 return ctx
->Eval
.Map1Normal
;
1111 case GL_MAP1_TEXTURE_COORD_1
:
1112 return ctx
->Eval
.Map1TextureCoord1
;
1113 case GL_MAP1_TEXTURE_COORD_2
:
1114 return ctx
->Eval
.Map1TextureCoord2
;
1115 case GL_MAP1_TEXTURE_COORD_3
:
1116 return ctx
->Eval
.Map1TextureCoord3
;
1117 case GL_MAP1_TEXTURE_COORD_4
:
1118 return ctx
->Eval
.Map1TextureCoord4
;
1119 case GL_MAP1_VERTEX_3
:
1120 return ctx
->Eval
.Map1Vertex3
;
1121 case GL_MAP1_VERTEX_4
:
1122 return ctx
->Eval
.Map1Vertex4
;
1123 case GL_MAP2_COLOR_4
:
1124 return ctx
->Eval
.Map2Color4
;
1126 return ctx
->Eval
.Map2Index
;
1127 case GL_MAP2_NORMAL
:
1128 return ctx
->Eval
.Map2Normal
;
1129 case GL_MAP2_TEXTURE_COORD_1
:
1130 return ctx
->Eval
.Map2TextureCoord1
;
1131 case GL_MAP2_TEXTURE_COORD_2
:
1132 return ctx
->Eval
.Map2TextureCoord2
;
1133 case GL_MAP2_TEXTURE_COORD_3
:
1134 return ctx
->Eval
.Map2TextureCoord3
;
1135 case GL_MAP2_TEXTURE_COORD_4
:
1136 return ctx
->Eval
.Map2TextureCoord4
;
1137 case GL_MAP2_VERTEX_3
:
1138 return ctx
->Eval
.Map2Vertex3
;
1139 case GL_MAP2_VERTEX_4
:
1140 return ctx
->Eval
.Map2Vertex4
;
1142 return ctx
->Transform
.Normalize
;
1143 case GL_POINT_SMOOTH
:
1144 return ctx
->Point
.SmoothFlag
;
1145 case GL_POLYGON_SMOOTH
:
1146 return ctx
->Polygon
.SmoothFlag
;
1147 case GL_POLYGON_STIPPLE
:
1148 return ctx
->Polygon
.StippleFlag
;
1149 case GL_POLYGON_OFFSET_POINT
:
1150 return ctx
->Polygon
.OffsetPoint
;
1151 case GL_POLYGON_OFFSET_LINE
:
1152 return ctx
->Polygon
.OffsetLine
;
1153 case GL_POLYGON_OFFSET_FILL
:
1154 /*case GL_POLYGON_OFFSET_EXT:*/
1155 return ctx
->Polygon
.OffsetFill
;
1156 case GL_RESCALE_NORMAL_EXT
:
1157 return ctx
->Transform
.RescaleNormals
;
1158 case GL_SCISSOR_TEST
:
1159 return ctx
->Scissor
.Enabled
;
1160 case GL_SHARED_TEXTURE_PALETTE_EXT
:
1161 return ctx
->Texture
.SharedPalette
;
1162 case GL_STENCIL_TEST
:
1163 return ctx
->Stencil
.Enabled
;
1165 return is_texture_enabled(ctx
, TEXTURE_1D_BIT
);
1167 return is_texture_enabled(ctx
, TEXTURE_2D_BIT
);
1169 return is_texture_enabled(ctx
, TEXTURE_3D_BIT
);
1170 case GL_TEXTURE_GEN_Q
:
1172 const struct gl_texture_unit
*texUnit
= get_texcoord_unit(ctx
);
1174 return (texUnit
->TexGenEnabled
& Q_BIT
) ? GL_TRUE
: GL_FALSE
;
1178 case GL_TEXTURE_GEN_R
:
1180 const struct gl_texture_unit
*texUnit
= get_texcoord_unit(ctx
);
1182 return (texUnit
->TexGenEnabled
& R_BIT
) ? GL_TRUE
: GL_FALSE
;
1186 case GL_TEXTURE_GEN_S
:
1188 const struct gl_texture_unit
*texUnit
= get_texcoord_unit(ctx
);
1190 return (texUnit
->TexGenEnabled
& S_BIT
) ? GL_TRUE
: GL_FALSE
;
1194 case GL_TEXTURE_GEN_T
:
1196 const struct gl_texture_unit
*texUnit
= get_texcoord_unit(ctx
);
1198 return (texUnit
->TexGenEnabled
& T_BIT
) ? GL_TRUE
: GL_FALSE
;
1206 case GL_VERTEX_ARRAY
:
1207 return (ctx
->Array
.ArrayObj
->Vertex
.Enabled
!= 0);
1208 case GL_NORMAL_ARRAY
:
1209 return (ctx
->Array
.ArrayObj
->Normal
.Enabled
!= 0);
1210 case GL_COLOR_ARRAY
:
1211 return (ctx
->Array
.ArrayObj
->Color
.Enabled
!= 0);
1212 case GL_INDEX_ARRAY
:
1213 return (ctx
->Array
.ArrayObj
->Index
.Enabled
!= 0);
1214 case GL_TEXTURE_COORD_ARRAY
:
1215 return (ctx
->Array
.ArrayObj
->TexCoord
[ctx
->Array
.ActiveTexture
].Enabled
!= 0);
1216 case GL_EDGE_FLAG_ARRAY
:
1217 return (ctx
->Array
.ArrayObj
->EdgeFlag
.Enabled
!= 0);
1218 case GL_FOG_COORDINATE_ARRAY_EXT
:
1219 CHECK_EXTENSION(EXT_fog_coord
);
1220 return (ctx
->Array
.ArrayObj
->FogCoord
.Enabled
!= 0);
1221 case GL_SECONDARY_COLOR_ARRAY_EXT
:
1222 CHECK_EXTENSION(EXT_secondary_color
);
1223 return (ctx
->Array
.ArrayObj
->SecondaryColor
.Enabled
!= 0);
1224 #if FEATURE_point_size_array
1225 case GL_POINT_SIZE_ARRAY_OES
:
1226 return (ctx
->Array
.ArrayObj
->PointSize
.Enabled
!= 0);
1229 /* GL_EXT_histogram */
1231 CHECK_EXTENSION(EXT_histogram
);
1232 return ctx
->Pixel
.HistogramEnabled
;
1234 CHECK_EXTENSION(EXT_histogram
);
1235 return ctx
->Pixel
.MinMaxEnabled
;
1237 /* GL_SGI_color_table */
1238 case GL_COLOR_TABLE_SGI
:
1239 CHECK_EXTENSION(SGI_color_table
);
1240 return ctx
->Pixel
.ColorTableEnabled
[COLORTABLE_PRECONVOLUTION
];
1241 case GL_POST_CONVOLUTION_COLOR_TABLE_SGI
:
1242 CHECK_EXTENSION(SGI_color_table
);
1243 return ctx
->Pixel
.ColorTableEnabled
[COLORTABLE_POSTCONVOLUTION
];
1244 case GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI
:
1245 CHECK_EXTENSION(SGI_color_table
);
1246 return ctx
->Pixel
.ColorTableEnabled
[COLORTABLE_POSTCOLORMATRIX
];
1248 /* GL_SGI_texture_color_table */
1249 case GL_TEXTURE_COLOR_TABLE_SGI
:
1250 CHECK_EXTENSION(SGI_texture_color_table
);
1251 return ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
].ColorTableEnabled
;
1253 /* GL_EXT_convolution */
1254 case GL_CONVOLUTION_1D
:
1255 CHECK_EXTENSION(EXT_convolution
);
1256 return ctx
->Pixel
.Convolution1DEnabled
;
1257 case GL_CONVOLUTION_2D
:
1258 CHECK_EXTENSION(EXT_convolution
);
1259 return ctx
->Pixel
.Convolution2DEnabled
;
1260 case GL_SEPARABLE_2D
:
1261 CHECK_EXTENSION(EXT_convolution
);
1262 return ctx
->Pixel
.Separable2DEnabled
;
1264 /* GL_ARB_texture_cube_map */
1265 case GL_TEXTURE_CUBE_MAP_ARB
:
1266 CHECK_EXTENSION(ARB_texture_cube_map
);
1267 return is_texture_enabled(ctx
, TEXTURE_CUBE_BIT
);
1269 /* GL_EXT_secondary_color */
1270 case GL_COLOR_SUM_EXT
:
1271 CHECK_EXTENSION2(EXT_secondary_color
, ARB_vertex_program
);
1272 return ctx
->Fog
.ColorSumEnabled
;
1274 /* GL_ARB_multisample */
1275 case GL_MULTISAMPLE_ARB
:
1276 return ctx
->Multisample
.Enabled
;
1277 case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB
:
1278 return ctx
->Multisample
.SampleAlphaToCoverage
;
1279 case GL_SAMPLE_ALPHA_TO_ONE_ARB
:
1280 return ctx
->Multisample
.SampleAlphaToOne
;
1281 case GL_SAMPLE_COVERAGE_ARB
:
1282 return ctx
->Multisample
.SampleCoverage
;
1283 case GL_SAMPLE_COVERAGE_INVERT_ARB
:
1284 return ctx
->Multisample
.SampleCoverageInvert
;
1286 /* GL_IBM_rasterpos_clip */
1287 case GL_RASTER_POSITION_UNCLIPPED_IBM
:
1288 CHECK_EXTENSION(IBM_rasterpos_clip
);
1289 return ctx
->Transform
.RasterPositionUnclipped
;
1291 /* GL_NV_point_sprite */
1292 case GL_POINT_SPRITE_NV
:
1293 CHECK_EXTENSION2(NV_point_sprite
, ARB_point_sprite
)
1294 return ctx
->Point
.PointSprite
;
1296 #if FEATURE_NV_vertex_program || FEATURE_ARB_vertex_program
1297 case GL_VERTEX_PROGRAM_ARB
:
1298 CHECK_EXTENSION2(ARB_vertex_program
, NV_vertex_program
);
1299 return ctx
->VertexProgram
.Enabled
;
1300 case GL_VERTEX_PROGRAM_POINT_SIZE_ARB
:
1301 CHECK_EXTENSION2(ARB_vertex_program
, NV_vertex_program
);
1302 return ctx
->VertexProgram
.PointSizeEnabled
;
1303 case GL_VERTEX_PROGRAM_TWO_SIDE_ARB
:
1304 CHECK_EXTENSION2(ARB_vertex_program
, NV_vertex_program
);
1305 return ctx
->VertexProgram
.TwoSideEnabled
;
1307 #if FEATURE_NV_vertex_program
1308 case GL_VERTEX_ATTRIB_ARRAY0_NV
:
1309 case GL_VERTEX_ATTRIB_ARRAY1_NV
:
1310 case GL_VERTEX_ATTRIB_ARRAY2_NV
:
1311 case GL_VERTEX_ATTRIB_ARRAY3_NV
:
1312 case GL_VERTEX_ATTRIB_ARRAY4_NV
:
1313 case GL_VERTEX_ATTRIB_ARRAY5_NV
:
1314 case GL_VERTEX_ATTRIB_ARRAY6_NV
:
1315 case GL_VERTEX_ATTRIB_ARRAY7_NV
:
1316 case GL_VERTEX_ATTRIB_ARRAY8_NV
:
1317 case GL_VERTEX_ATTRIB_ARRAY9_NV
:
1318 case GL_VERTEX_ATTRIB_ARRAY10_NV
:
1319 case GL_VERTEX_ATTRIB_ARRAY11_NV
:
1320 case GL_VERTEX_ATTRIB_ARRAY12_NV
:
1321 case GL_VERTEX_ATTRIB_ARRAY13_NV
:
1322 case GL_VERTEX_ATTRIB_ARRAY14_NV
:
1323 case GL_VERTEX_ATTRIB_ARRAY15_NV
:
1324 CHECK_EXTENSION(NV_vertex_program
);
1326 GLint n
= (GLint
) cap
- GL_VERTEX_ATTRIB_ARRAY0_NV
;
1327 ASSERT(n
< Elements(ctx
->Array
.ArrayObj
->VertexAttrib
));
1328 return (ctx
->Array
.ArrayObj
->VertexAttrib
[n
].Enabled
!= 0);
1330 case GL_MAP1_VERTEX_ATTRIB0_4_NV
:
1331 case GL_MAP1_VERTEX_ATTRIB1_4_NV
:
1332 case GL_MAP1_VERTEX_ATTRIB2_4_NV
:
1333 case GL_MAP1_VERTEX_ATTRIB3_4_NV
:
1334 case GL_MAP1_VERTEX_ATTRIB4_4_NV
:
1335 case GL_MAP1_VERTEX_ATTRIB5_4_NV
:
1336 case GL_MAP1_VERTEX_ATTRIB6_4_NV
:
1337 case GL_MAP1_VERTEX_ATTRIB7_4_NV
:
1338 case GL_MAP1_VERTEX_ATTRIB8_4_NV
:
1339 case GL_MAP1_VERTEX_ATTRIB9_4_NV
:
1340 case GL_MAP1_VERTEX_ATTRIB10_4_NV
:
1341 case GL_MAP1_VERTEX_ATTRIB11_4_NV
:
1342 case GL_MAP1_VERTEX_ATTRIB12_4_NV
:
1343 case GL_MAP1_VERTEX_ATTRIB13_4_NV
:
1344 case GL_MAP1_VERTEX_ATTRIB14_4_NV
:
1345 case GL_MAP1_VERTEX_ATTRIB15_4_NV
:
1346 CHECK_EXTENSION(NV_vertex_program
);
1348 const GLuint map
= (GLuint
) (cap
- GL_MAP1_VERTEX_ATTRIB0_4_NV
);
1349 return ctx
->Eval
.Map1Attrib
[map
];
1351 case GL_MAP2_VERTEX_ATTRIB0_4_NV
:
1352 case GL_MAP2_VERTEX_ATTRIB1_4_NV
:
1353 case GL_MAP2_VERTEX_ATTRIB2_4_NV
:
1354 case GL_MAP2_VERTEX_ATTRIB3_4_NV
:
1355 case GL_MAP2_VERTEX_ATTRIB4_4_NV
:
1356 case GL_MAP2_VERTEX_ATTRIB5_4_NV
:
1357 case GL_MAP2_VERTEX_ATTRIB6_4_NV
:
1358 case GL_MAP2_VERTEX_ATTRIB7_4_NV
:
1359 case GL_MAP2_VERTEX_ATTRIB8_4_NV
:
1360 case GL_MAP2_VERTEX_ATTRIB9_4_NV
:
1361 case GL_MAP2_VERTEX_ATTRIB10_4_NV
:
1362 case GL_MAP2_VERTEX_ATTRIB11_4_NV
:
1363 case GL_MAP2_VERTEX_ATTRIB12_4_NV
:
1364 case GL_MAP2_VERTEX_ATTRIB13_4_NV
:
1365 case GL_MAP2_VERTEX_ATTRIB14_4_NV
:
1366 case GL_MAP2_VERTEX_ATTRIB15_4_NV
:
1367 CHECK_EXTENSION(NV_vertex_program
);
1369 const GLuint map
= (GLuint
) (cap
- GL_MAP2_VERTEX_ATTRIB0_4_NV
);
1370 return ctx
->Eval
.Map2Attrib
[map
];
1372 #endif /* FEATURE_NV_vertex_program */
1374 #if FEATURE_NV_fragment_program
1375 case GL_FRAGMENT_PROGRAM_NV
:
1376 CHECK_EXTENSION(NV_fragment_program
);
1377 return ctx
->FragmentProgram
.Enabled
;
1378 #endif /* FEATURE_NV_fragment_program */
1380 /* GL_NV_texture_rectangle */
1381 case GL_TEXTURE_RECTANGLE_NV
:
1382 CHECK_EXTENSION(NV_texture_rectangle
);
1383 return is_texture_enabled(ctx
, TEXTURE_RECT_BIT
);
1385 /* GL_EXT_stencil_two_side */
1386 case GL_STENCIL_TEST_TWO_SIDE_EXT
:
1387 CHECK_EXTENSION(EXT_stencil_two_side
);
1388 return ctx
->Stencil
.TestTwoSide
;
1390 #if FEATURE_ARB_fragment_program
1391 case GL_FRAGMENT_PROGRAM_ARB
:
1392 return ctx
->FragmentProgram
.Enabled
;
1393 #endif /* FEATURE_ARB_fragment_program */
1395 /* GL_EXT_depth_bounds_test */
1396 case GL_DEPTH_BOUNDS_TEST_EXT
:
1397 CHECK_EXTENSION(EXT_depth_bounds_test
);
1398 return ctx
->Depth
.BoundsTest
;
1400 /* GL_ARB_depth_clamp */
1401 case GL_DEPTH_CLAMP
:
1402 CHECK_EXTENSION(ARB_depth_clamp
);
1403 return ctx
->Transform
.DepthClamp
;
1405 #if FEATURE_ATI_fragment_shader
1406 case GL_FRAGMENT_SHADER_ATI
:
1407 CHECK_EXTENSION(ATI_fragment_shader
);
1408 return ctx
->ATIFragmentShader
.Enabled
;
1409 #endif /* FEATURE_ATI_fragment_shader */
1411 case GL_TEXTURE_CUBE_MAP_SEAMLESS
:
1412 CHECK_EXTENSION(ARB_seamless_cube_map
);
1413 return ctx
->Texture
.CubeMapSeamless
;
1416 _mesa_error(ctx
, GL_INVALID_ENUM
, "glIsEnabled(0x%x)", (int) cap
);