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 "math/m_matrix.h"
40 #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 var
= &ctx
->Array
.ArrayObj
->VertexAttrib
[n
].Enabled
;
123 flag
= _NEW_ARRAY_ATTRIB(n
);
126 #endif /* FEATURE_NV_vertex_program */
129 _mesa_error( ctx
, GL_INVALID_ENUM
,
130 "glEnable/DisableClientState(0x%x)", cap
);
137 FLUSH_VERTICES(ctx
, _NEW_ARRAY
);
138 ctx
->Array
.NewState
|= flag
;
140 _ae_invalidate_state(ctx
, _NEW_ARRAY
);
145 ctx
->Array
.ArrayObj
->_Enabled
|= flag
;
147 ctx
->Array
.ArrayObj
->_Enabled
&= ~flag
;
149 if (ctx
->Driver
.Enable
) {
150 ctx
->Driver
.Enable( ctx
, cap
, state
);
156 * Enable GL capability.
157 * \param cap state to enable/disable.
159 * Get's the current context, assures that we're outside glBegin()/glEnd() and
160 * calls client_state().
163 _mesa_EnableClientState( GLenum cap
)
165 GET_CURRENT_CONTEXT(ctx
);
166 ASSERT_OUTSIDE_BEGIN_END(ctx
);
167 client_state( ctx
, cap
, GL_TRUE
);
172 * Disable GL capability.
173 * \param cap state to enable/disable.
175 * Get's the current context, assures that we're outside glBegin()/glEnd() and
176 * calls client_state().
179 _mesa_DisableClientState( GLenum cap
)
181 GET_CURRENT_CONTEXT(ctx
);
182 ASSERT_OUTSIDE_BEGIN_END(ctx
);
183 client_state( ctx
, cap
, GL_FALSE
);
187 #undef CHECK_EXTENSION
188 #define CHECK_EXTENSION(EXTNAME, CAP) \
189 if (!ctx->Extensions.EXTNAME) { \
190 _mesa_error(ctx, GL_INVALID_ENUM, "gl%s(0x%x)", \
191 state ? "Enable" : "Disable", CAP); \
195 #define CHECK_EXTENSION2(EXT1, EXT2, CAP) \
196 if (!ctx->Extensions.EXT1 && !ctx->Extensions.EXT2) { \
197 _mesa_error(ctx, GL_INVALID_ENUM, "gl%s(0x%x)", \
198 state ? "Enable" : "Disable", CAP); \
205 * Return pointer to current texture unit for setting/getting coordinate
207 * Note that we'll set GL_INVALID_OPERATION if the active texture unit is
208 * higher than the number of supported coordinate units. And we'll return NULL.
210 static struct gl_texture_unit
*
211 get_texcoord_unit(GLcontext
*ctx
)
213 if (ctx
->Texture
.CurrentUnit
>= ctx
->Const
.MaxTextureCoordUnits
) {
214 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glEnable/Disable(texcoord unit)");
218 return &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
224 * Helper function to enable or disable a texture target.
227 enable_texture(GLcontext
*ctx
, GLboolean state
, GLbitfield bit
)
229 const GLuint curr
= ctx
->Texture
.CurrentUnit
;
230 struct gl_texture_unit
*texUnit
= &ctx
->Texture
.Unit
[curr
];
231 const GLuint newenabled
= (!state
)
232 ? (texUnit
->Enabled
& ~bit
) : (texUnit
->Enabled
| bit
);
234 if (!ctx
->DrawBuffer
->Visual
.rgbMode
|| texUnit
->Enabled
== newenabled
)
237 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
238 texUnit
->Enabled
= newenabled
;
244 * Helper function to enable or disable state.
246 * \param ctx GL context.
247 * \param cap the state to enable/disable
248 * \param state whether to enable or disable the specified capability.
250 * Updates the current context and flushes the vertices as needed. For
251 * capabilities associated with extensions it verifies that those extensions
252 * are effectivly present before updating. Notifies the driver via
253 * dd_function_table::Enable.
256 _mesa_set_enable(GLcontext
*ctx
, GLenum cap
, GLboolean state
)
258 if (MESA_VERBOSE
& VERBOSE_API
)
259 _mesa_debug(ctx
, "%s %s (newstate is %x)\n",
260 state
? "glEnable" : "glDisable",
261 _mesa_lookup_enum_by_nr(cap
),
266 if (ctx
->Color
.AlphaEnabled
== state
)
268 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
269 ctx
->Color
.AlphaEnabled
= state
;
272 if (ctx
->Eval
.AutoNormal
== state
)
274 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
275 ctx
->Eval
.AutoNormal
= state
;
278 if (ctx
->Color
.BlendEnabled
== state
)
280 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
281 ctx
->Color
.BlendEnabled
= state
;
291 const GLuint p
= cap
- GL_CLIP_PLANE0
;
293 if ((ctx
->Transform
.ClipPlanesEnabled
& (1 << p
)) == ((GLuint
) state
<< p
))
296 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
299 ctx
->Transform
.ClipPlanesEnabled
|= (1 << p
);
301 if (_math_matrix_is_dirty(ctx
->ProjectionMatrixStack
.Top
))
302 _math_matrix_analyse( ctx
->ProjectionMatrixStack
.Top
);
304 /* This derived state also calculated in clip.c and
305 * from _mesa_update_state() on changes to EyeUserPlane
306 * and ctx->ProjectionMatrix respectively.
308 _mesa_transform_vector( ctx
->Transform
._ClipUserPlane
[p
],
309 ctx
->Transform
.EyeUserPlane
[p
],
310 ctx
->ProjectionMatrixStack
.Top
->inv
);
313 ctx
->Transform
.ClipPlanesEnabled
&= ~(1 << p
);
318 case GL_COLOR_MATERIAL
:
319 if (ctx
->Light
.ColorMaterialEnabled
== state
)
321 FLUSH_VERTICES(ctx
, _NEW_LIGHT
);
322 FLUSH_CURRENT(ctx
, 0);
323 ctx
->Light
.ColorMaterialEnabled
= state
;
325 _mesa_update_color_material( ctx
,
326 ctx
->Current
.Attrib
[VERT_ATTRIB_COLOR0
] );
330 if (ctx
->Polygon
.CullFlag
== state
)
332 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
333 ctx
->Polygon
.CullFlag
= state
;
335 case GL_CULL_VERTEX_EXT
:
336 CHECK_EXTENSION(EXT_cull_vertex
, cap
);
337 if (ctx
->Transform
.CullVertexFlag
== state
)
339 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
340 ctx
->Transform
.CullVertexFlag
= state
;
343 if (ctx
->Depth
.Test
== state
)
345 FLUSH_VERTICES(ctx
, _NEW_DEPTH
);
346 ctx
->Depth
.Test
= state
;
350 state
= GL_FALSE
; /* MESA_NO_DITHER env var */
352 if (ctx
->Color
.DitherFlag
== state
)
354 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
355 ctx
->Color
.DitherFlag
= state
;
358 if (ctx
->Fog
.Enabled
== state
)
360 FLUSH_VERTICES(ctx
, _NEW_FOG
);
361 ctx
->Fog
.Enabled
= state
;
364 CHECK_EXTENSION(EXT_histogram
, cap
);
365 if (ctx
->Pixel
.HistogramEnabled
== state
)
367 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
368 ctx
->Pixel
.HistogramEnabled
= state
;
378 if (ctx
->Light
.Light
[cap
-GL_LIGHT0
].Enabled
== state
)
380 FLUSH_VERTICES(ctx
, _NEW_LIGHT
);
381 ctx
->Light
.Light
[cap
-GL_LIGHT0
].Enabled
= state
;
383 insert_at_tail(&ctx
->Light
.EnabledList
,
384 &ctx
->Light
.Light
[cap
-GL_LIGHT0
]);
387 remove_from_list(&ctx
->Light
.Light
[cap
-GL_LIGHT0
]);
391 if (ctx
->Light
.Enabled
== state
)
393 FLUSH_VERTICES(ctx
, _NEW_LIGHT
);
394 ctx
->Light
.Enabled
= state
;
395 if (ctx
->Light
.Enabled
&& ctx
->Light
.Model
.TwoSide
)
396 ctx
->_TriangleCaps
|= DD_TRI_LIGHT_TWOSIDE
;
398 ctx
->_TriangleCaps
&= ~DD_TRI_LIGHT_TWOSIDE
;
401 if (ctx
->Line
.SmoothFlag
== state
)
403 FLUSH_VERTICES(ctx
, _NEW_LINE
);
404 ctx
->Line
.SmoothFlag
= state
;
405 ctx
->_TriangleCaps
^= DD_LINE_SMOOTH
;
407 case GL_LINE_STIPPLE
:
408 if (ctx
->Line
.StippleFlag
== state
)
410 FLUSH_VERTICES(ctx
, _NEW_LINE
);
411 ctx
->Line
.StippleFlag
= state
;
412 ctx
->_TriangleCaps
^= DD_LINE_STIPPLE
;
414 case GL_INDEX_LOGIC_OP
:
415 if (ctx
->Color
.IndexLogicOpEnabled
== state
)
417 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
418 ctx
->Color
.IndexLogicOpEnabled
= state
;
420 case GL_COLOR_LOGIC_OP
:
421 if (ctx
->Color
.ColorLogicOpEnabled
== state
)
423 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
424 ctx
->Color
.ColorLogicOpEnabled
= state
;
426 case GL_MAP1_COLOR_4
:
427 if (ctx
->Eval
.Map1Color4
== state
)
429 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
430 ctx
->Eval
.Map1Color4
= state
;
433 if (ctx
->Eval
.Map1Index
== state
)
435 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
436 ctx
->Eval
.Map1Index
= state
;
439 if (ctx
->Eval
.Map1Normal
== state
)
441 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
442 ctx
->Eval
.Map1Normal
= state
;
444 case GL_MAP1_TEXTURE_COORD_1
:
445 if (ctx
->Eval
.Map1TextureCoord1
== state
)
447 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
448 ctx
->Eval
.Map1TextureCoord1
= state
;
450 case GL_MAP1_TEXTURE_COORD_2
:
451 if (ctx
->Eval
.Map1TextureCoord2
== state
)
453 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
454 ctx
->Eval
.Map1TextureCoord2
= state
;
456 case GL_MAP1_TEXTURE_COORD_3
:
457 if (ctx
->Eval
.Map1TextureCoord3
== state
)
459 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
460 ctx
->Eval
.Map1TextureCoord3
= state
;
462 case GL_MAP1_TEXTURE_COORD_4
:
463 if (ctx
->Eval
.Map1TextureCoord4
== state
)
465 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
466 ctx
->Eval
.Map1TextureCoord4
= state
;
468 case GL_MAP1_VERTEX_3
:
469 if (ctx
->Eval
.Map1Vertex3
== state
)
471 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
472 ctx
->Eval
.Map1Vertex3
= state
;
474 case GL_MAP1_VERTEX_4
:
475 if (ctx
->Eval
.Map1Vertex4
== state
)
477 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
478 ctx
->Eval
.Map1Vertex4
= state
;
480 case GL_MAP2_COLOR_4
:
481 if (ctx
->Eval
.Map2Color4
== state
)
483 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
484 ctx
->Eval
.Map2Color4
= state
;
487 if (ctx
->Eval
.Map2Index
== state
)
489 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
490 ctx
->Eval
.Map2Index
= state
;
493 if (ctx
->Eval
.Map2Normal
== state
)
495 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
496 ctx
->Eval
.Map2Normal
= state
;
498 case GL_MAP2_TEXTURE_COORD_1
:
499 if (ctx
->Eval
.Map2TextureCoord1
== state
)
501 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
502 ctx
->Eval
.Map2TextureCoord1
= state
;
504 case GL_MAP2_TEXTURE_COORD_2
:
505 if (ctx
->Eval
.Map2TextureCoord2
== state
)
507 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
508 ctx
->Eval
.Map2TextureCoord2
= state
;
510 case GL_MAP2_TEXTURE_COORD_3
:
511 if (ctx
->Eval
.Map2TextureCoord3
== state
)
513 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
514 ctx
->Eval
.Map2TextureCoord3
= state
;
516 case GL_MAP2_TEXTURE_COORD_4
:
517 if (ctx
->Eval
.Map2TextureCoord4
== state
)
519 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
520 ctx
->Eval
.Map2TextureCoord4
= state
;
522 case GL_MAP2_VERTEX_3
:
523 if (ctx
->Eval
.Map2Vertex3
== state
)
525 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
526 ctx
->Eval
.Map2Vertex3
= state
;
528 case GL_MAP2_VERTEX_4
:
529 if (ctx
->Eval
.Map2Vertex4
== state
)
531 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
532 ctx
->Eval
.Map2Vertex4
= state
;
535 if (ctx
->Pixel
.MinMaxEnabled
== state
)
537 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
538 ctx
->Pixel
.MinMaxEnabled
= state
;
541 if (ctx
->Transform
.Normalize
== state
)
543 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
544 ctx
->Transform
.Normalize
= state
;
546 case GL_POINT_SMOOTH
:
547 if (ctx
->Point
.SmoothFlag
== state
)
549 FLUSH_VERTICES(ctx
, _NEW_POINT
);
550 ctx
->Point
.SmoothFlag
= state
;
551 ctx
->_TriangleCaps
^= DD_POINT_SMOOTH
;
553 case GL_POLYGON_SMOOTH
:
554 if (ctx
->Polygon
.SmoothFlag
== state
)
556 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
557 ctx
->Polygon
.SmoothFlag
= state
;
558 ctx
->_TriangleCaps
^= DD_TRI_SMOOTH
;
560 case GL_POLYGON_STIPPLE
:
561 if (ctx
->Polygon
.StippleFlag
== state
)
563 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
564 ctx
->Polygon
.StippleFlag
= state
;
565 ctx
->_TriangleCaps
^= DD_TRI_STIPPLE
;
567 case GL_POLYGON_OFFSET_POINT
:
568 if (ctx
->Polygon
.OffsetPoint
== state
)
570 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
571 ctx
->Polygon
.OffsetPoint
= state
;
573 case GL_POLYGON_OFFSET_LINE
:
574 if (ctx
->Polygon
.OffsetLine
== state
)
576 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
577 ctx
->Polygon
.OffsetLine
= state
;
579 case GL_POLYGON_OFFSET_FILL
:
580 /*case GL_POLYGON_OFFSET_EXT:*/
581 if (ctx
->Polygon
.OffsetFill
== state
)
583 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
584 ctx
->Polygon
.OffsetFill
= state
;
586 case GL_RESCALE_NORMAL_EXT
:
587 if (ctx
->Transform
.RescaleNormals
== state
)
589 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
590 ctx
->Transform
.RescaleNormals
= state
;
592 case GL_SCISSOR_TEST
:
593 if (ctx
->Scissor
.Enabled
== state
)
595 FLUSH_VERTICES(ctx
, _NEW_SCISSOR
);
596 ctx
->Scissor
.Enabled
= state
;
598 case GL_SHARED_TEXTURE_PALETTE_EXT
:
599 if (ctx
->Texture
.SharedPalette
== state
)
601 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
602 ctx
->Texture
.SharedPalette
= state
;
604 case GL_STENCIL_TEST
:
605 if (ctx
->Stencil
.Enabled
== state
)
607 FLUSH_VERTICES(ctx
, _NEW_STENCIL
);
608 ctx
->Stencil
.Enabled
= state
;
611 if (!enable_texture(ctx
, state
, TEXTURE_1D_BIT
)) {
616 if (!enable_texture(ctx
, state
, TEXTURE_2D_BIT
)) {
621 if (!enable_texture(ctx
, state
, TEXTURE_3D_BIT
)) {
625 case GL_TEXTURE_GEN_Q
:
627 struct gl_texture_unit
*texUnit
= get_texcoord_unit(ctx
);
629 GLuint newenabled
= texUnit
->TexGenEnabled
& ~Q_BIT
;
632 if (texUnit
->TexGenEnabled
== newenabled
)
634 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
635 texUnit
->TexGenEnabled
= newenabled
;
639 case GL_TEXTURE_GEN_R
:
641 struct gl_texture_unit
*texUnit
= get_texcoord_unit(ctx
);
643 GLuint newenabled
= texUnit
->TexGenEnabled
& ~R_BIT
;
646 if (texUnit
->TexGenEnabled
== newenabled
)
648 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
649 texUnit
->TexGenEnabled
= newenabled
;
653 case GL_TEXTURE_GEN_S
:
655 struct gl_texture_unit
*texUnit
= get_texcoord_unit(ctx
);
657 GLuint newenabled
= texUnit
->TexGenEnabled
& ~S_BIT
;
660 if (texUnit
->TexGenEnabled
== newenabled
)
662 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
663 texUnit
->TexGenEnabled
= newenabled
;
667 case GL_TEXTURE_GEN_T
:
669 struct gl_texture_unit
*texUnit
= get_texcoord_unit(ctx
);
671 GLuint newenabled
= texUnit
->TexGenEnabled
& ~T_BIT
;
674 if (texUnit
->TexGenEnabled
== newenabled
)
676 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
677 texUnit
->TexGenEnabled
= newenabled
;
685 case GL_VERTEX_ARRAY
:
686 case GL_NORMAL_ARRAY
:
689 case GL_TEXTURE_COORD_ARRAY
:
690 case GL_EDGE_FLAG_ARRAY
:
691 case GL_FOG_COORDINATE_ARRAY_EXT
:
692 case GL_SECONDARY_COLOR_ARRAY_EXT
:
693 case GL_POINT_SIZE_ARRAY_OES
:
694 client_state( ctx
, cap
, state
);
697 /* GL_SGI_color_table */
698 case GL_COLOR_TABLE_SGI
:
699 CHECK_EXTENSION(SGI_color_table
, cap
);
700 if (ctx
->Pixel
.ColorTableEnabled
[COLORTABLE_PRECONVOLUTION
] == state
)
702 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
703 ctx
->Pixel
.ColorTableEnabled
[COLORTABLE_PRECONVOLUTION
] = state
;
705 case GL_POST_CONVOLUTION_COLOR_TABLE_SGI
:
706 CHECK_EXTENSION(SGI_color_table
, cap
);
707 if (ctx
->Pixel
.ColorTableEnabled
[COLORTABLE_POSTCONVOLUTION
] == state
)
709 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
710 ctx
->Pixel
.ColorTableEnabled
[COLORTABLE_POSTCONVOLUTION
] = state
;
712 case GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI
:
713 CHECK_EXTENSION(SGI_color_table
, cap
);
714 if (ctx
->Pixel
.ColorTableEnabled
[COLORTABLE_POSTCOLORMATRIX
] == state
)
716 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
717 ctx
->Pixel
.ColorTableEnabled
[COLORTABLE_POSTCOLORMATRIX
] = state
;
719 case GL_TEXTURE_COLOR_TABLE_SGI
:
720 CHECK_EXTENSION(SGI_texture_color_table
, cap
);
721 if (ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
].ColorTableEnabled
== state
)
723 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
724 ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
].ColorTableEnabled
= state
;
727 /* GL_EXT_convolution */
728 case GL_CONVOLUTION_1D
:
729 CHECK_EXTENSION(EXT_convolution
, cap
);
730 if (ctx
->Pixel
.Convolution1DEnabled
== state
)
732 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
733 ctx
->Pixel
.Convolution1DEnabled
= state
;
735 case GL_CONVOLUTION_2D
:
736 CHECK_EXTENSION(EXT_convolution
, cap
);
737 if (ctx
->Pixel
.Convolution2DEnabled
== state
)
739 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
740 ctx
->Pixel
.Convolution2DEnabled
= state
;
742 case GL_SEPARABLE_2D
:
743 CHECK_EXTENSION(EXT_convolution
, cap
);
744 if (ctx
->Pixel
.Separable2DEnabled
== state
)
746 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
747 ctx
->Pixel
.Separable2DEnabled
= state
;
750 /* GL_ARB_texture_cube_map */
751 case GL_TEXTURE_CUBE_MAP_ARB
:
752 CHECK_EXTENSION(ARB_texture_cube_map
, cap
);
753 if (!enable_texture(ctx
, state
, TEXTURE_CUBE_BIT
)) {
758 /* GL_EXT_secondary_color */
759 case GL_COLOR_SUM_EXT
:
760 CHECK_EXTENSION2(EXT_secondary_color
, ARB_vertex_program
, cap
);
761 if (ctx
->Fog
.ColorSumEnabled
== state
)
763 FLUSH_VERTICES(ctx
, _NEW_FOG
);
764 ctx
->Fog
.ColorSumEnabled
= state
;
767 /* GL_ARB_multisample */
768 case GL_MULTISAMPLE_ARB
:
769 if (ctx
->Multisample
.Enabled
== state
)
771 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
772 ctx
->Multisample
.Enabled
= state
;
774 case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB
:
775 if (ctx
->Multisample
.SampleAlphaToCoverage
== state
)
777 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
778 ctx
->Multisample
.SampleAlphaToCoverage
= state
;
780 case GL_SAMPLE_ALPHA_TO_ONE_ARB
:
781 if (ctx
->Multisample
.SampleAlphaToOne
== state
)
783 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
784 ctx
->Multisample
.SampleAlphaToOne
= state
;
786 case GL_SAMPLE_COVERAGE_ARB
:
787 if (ctx
->Multisample
.SampleCoverage
== state
)
789 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
790 ctx
->Multisample
.SampleCoverage
= state
;
792 case GL_SAMPLE_COVERAGE_INVERT_ARB
:
793 if (ctx
->Multisample
.SampleCoverageInvert
== state
)
795 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
796 ctx
->Multisample
.SampleCoverageInvert
= state
;
799 /* GL_IBM_rasterpos_clip */
800 case GL_RASTER_POSITION_UNCLIPPED_IBM
:
801 CHECK_EXTENSION(IBM_rasterpos_clip
, cap
);
802 if (ctx
->Transform
.RasterPositionUnclipped
== state
)
804 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
805 ctx
->Transform
.RasterPositionUnclipped
= state
;
808 /* GL_NV_point_sprite */
809 case GL_POINT_SPRITE_NV
:
810 CHECK_EXTENSION2(NV_point_sprite
, ARB_point_sprite
, cap
);
811 if (ctx
->Point
.PointSprite
== state
)
813 FLUSH_VERTICES(ctx
, _NEW_POINT
);
814 ctx
->Point
.PointSprite
= state
;
817 #if FEATURE_NV_vertex_program || FEATURE_ARB_vertex_program
818 case GL_VERTEX_PROGRAM_ARB
:
819 CHECK_EXTENSION2(ARB_vertex_program
, NV_vertex_program
, cap
);
820 if (ctx
->VertexProgram
.Enabled
== state
)
822 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
823 ctx
->VertexProgram
.Enabled
= state
;
825 case GL_VERTEX_PROGRAM_POINT_SIZE_ARB
:
826 CHECK_EXTENSION2(ARB_vertex_program
, NV_vertex_program
, cap
);
827 if (ctx
->VertexProgram
.PointSizeEnabled
== state
)
829 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
830 ctx
->VertexProgram
.PointSizeEnabled
= state
;
832 case GL_VERTEX_PROGRAM_TWO_SIDE_ARB
:
833 CHECK_EXTENSION2(ARB_vertex_program
, NV_vertex_program
, cap
);
834 if (ctx
->VertexProgram
.TwoSideEnabled
== state
)
836 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
837 ctx
->VertexProgram
.TwoSideEnabled
= state
;
840 #if FEATURE_NV_vertex_program
841 case GL_MAP1_VERTEX_ATTRIB0_4_NV
:
842 case GL_MAP1_VERTEX_ATTRIB1_4_NV
:
843 case GL_MAP1_VERTEX_ATTRIB2_4_NV
:
844 case GL_MAP1_VERTEX_ATTRIB3_4_NV
:
845 case GL_MAP1_VERTEX_ATTRIB4_4_NV
:
846 case GL_MAP1_VERTEX_ATTRIB5_4_NV
:
847 case GL_MAP1_VERTEX_ATTRIB6_4_NV
:
848 case GL_MAP1_VERTEX_ATTRIB7_4_NV
:
849 case GL_MAP1_VERTEX_ATTRIB8_4_NV
:
850 case GL_MAP1_VERTEX_ATTRIB9_4_NV
:
851 case GL_MAP1_VERTEX_ATTRIB10_4_NV
:
852 case GL_MAP1_VERTEX_ATTRIB11_4_NV
:
853 case GL_MAP1_VERTEX_ATTRIB12_4_NV
:
854 case GL_MAP1_VERTEX_ATTRIB13_4_NV
:
855 case GL_MAP1_VERTEX_ATTRIB14_4_NV
:
856 case GL_MAP1_VERTEX_ATTRIB15_4_NV
:
857 CHECK_EXTENSION(NV_vertex_program
, cap
);
859 const GLuint map
= (GLuint
) (cap
- GL_MAP1_VERTEX_ATTRIB0_4_NV
);
860 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
861 ctx
->Eval
.Map1Attrib
[map
] = state
;
864 case GL_MAP2_VERTEX_ATTRIB0_4_NV
:
865 case GL_MAP2_VERTEX_ATTRIB1_4_NV
:
866 case GL_MAP2_VERTEX_ATTRIB2_4_NV
:
867 case GL_MAP2_VERTEX_ATTRIB3_4_NV
:
868 case GL_MAP2_VERTEX_ATTRIB4_4_NV
:
869 case GL_MAP2_VERTEX_ATTRIB5_4_NV
:
870 case GL_MAP2_VERTEX_ATTRIB6_4_NV
:
871 case GL_MAP2_VERTEX_ATTRIB7_4_NV
:
872 case GL_MAP2_VERTEX_ATTRIB8_4_NV
:
873 case GL_MAP2_VERTEX_ATTRIB9_4_NV
:
874 case GL_MAP2_VERTEX_ATTRIB10_4_NV
:
875 case GL_MAP2_VERTEX_ATTRIB11_4_NV
:
876 case GL_MAP2_VERTEX_ATTRIB12_4_NV
:
877 case GL_MAP2_VERTEX_ATTRIB13_4_NV
:
878 case GL_MAP2_VERTEX_ATTRIB14_4_NV
:
879 case GL_MAP2_VERTEX_ATTRIB15_4_NV
:
880 CHECK_EXTENSION(NV_vertex_program
, cap
);
882 const GLuint map
= (GLuint
) (cap
- GL_MAP2_VERTEX_ATTRIB0_4_NV
);
883 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
884 ctx
->Eval
.Map2Attrib
[map
] = state
;
887 #endif /* FEATURE_NV_vertex_program */
889 #if FEATURE_NV_fragment_program
890 case GL_FRAGMENT_PROGRAM_NV
:
891 CHECK_EXTENSION(NV_fragment_program
, cap
);
892 if (ctx
->FragmentProgram
.Enabled
== state
)
894 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
895 ctx
->FragmentProgram
.Enabled
= state
;
897 #endif /* FEATURE_NV_fragment_program */
899 /* GL_NV_texture_rectangle */
900 case GL_TEXTURE_RECTANGLE_NV
:
901 CHECK_EXTENSION(NV_texture_rectangle
, cap
);
902 if (!enable_texture(ctx
, state
, TEXTURE_RECT_BIT
)) {
907 /* GL_EXT_stencil_two_side */
908 case GL_STENCIL_TEST_TWO_SIDE_EXT
:
909 CHECK_EXTENSION(EXT_stencil_two_side
, cap
);
910 if (ctx
->Stencil
.TestTwoSide
== state
)
912 FLUSH_VERTICES(ctx
, _NEW_STENCIL
);
913 ctx
->Stencil
.TestTwoSide
= state
;
915 ctx
->Stencil
._BackFace
= 2;
916 ctx
->_TriangleCaps
|= DD_TRI_TWOSTENCIL
;
918 ctx
->Stencil
._BackFace
= 1;
919 ctx
->_TriangleCaps
&= ~DD_TRI_TWOSTENCIL
;
923 #if FEATURE_ARB_fragment_program
924 case GL_FRAGMENT_PROGRAM_ARB
:
925 CHECK_EXTENSION(ARB_fragment_program
, cap
);
926 if (ctx
->FragmentProgram
.Enabled
== state
)
928 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
929 ctx
->FragmentProgram
.Enabled
= state
;
931 #endif /* FEATURE_ARB_fragment_program */
933 /* GL_EXT_depth_bounds_test */
934 case GL_DEPTH_BOUNDS_TEST_EXT
:
935 CHECK_EXTENSION(EXT_depth_bounds_test
, cap
);
936 if (state
&& ctx
->DrawBuffer
->Visual
.depthBits
== 0) {
938 "glEnable(GL_DEPTH_BOUNDS_TEST_EXT) but no depth buffer");
941 if (ctx
->Depth
.BoundsTest
== state
)
943 FLUSH_VERTICES(ctx
, _NEW_DEPTH
);
944 ctx
->Depth
.BoundsTest
= state
;
947 #if FEATURE_ATI_fragment_shader
948 case GL_FRAGMENT_SHADER_ATI
:
949 CHECK_EXTENSION(ATI_fragment_shader
, cap
);
950 if (ctx
->ATIFragmentShader
.Enabled
== state
)
952 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
953 ctx
->ATIFragmentShader
.Enabled
= state
;
957 /* GL_MESA_texture_array */
958 case GL_TEXTURE_1D_ARRAY_EXT
:
959 CHECK_EXTENSION(MESA_texture_array
, cap
);
960 if (!enable_texture(ctx
, state
, TEXTURE_1D_ARRAY_BIT
)) {
965 case GL_TEXTURE_2D_ARRAY_EXT
:
966 CHECK_EXTENSION(MESA_texture_array
, cap
);
967 if (!enable_texture(ctx
, state
, TEXTURE_2D_ARRAY_BIT
)) {
973 _mesa_error(ctx
, GL_INVALID_ENUM
,
974 "%s(0x%x)", state
? "glEnable" : "glDisable", cap
);
978 if (ctx
->Driver
.Enable
) {
979 ctx
->Driver
.Enable( ctx
, cap
, state
);
985 * Enable GL capability. Called by glEnable()
986 * \param cap state to enable.
989 _mesa_Enable( GLenum cap
)
991 GET_CURRENT_CONTEXT(ctx
);
992 ASSERT_OUTSIDE_BEGIN_END(ctx
);
994 _mesa_set_enable( ctx
, cap
, GL_TRUE
);
999 * Disable GL capability. Called by glDisable()
1000 * \param cap state to disable.
1003 _mesa_Disable( GLenum cap
)
1005 GET_CURRENT_CONTEXT(ctx
);
1006 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1008 _mesa_set_enable( ctx
, cap
, GL_FALSE
);
1012 #undef CHECK_EXTENSION
1013 #define CHECK_EXTENSION(EXTNAME) \
1014 if (!ctx->Extensions.EXTNAME) { \
1015 _mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabled"); \
1019 #undef CHECK_EXTENSION2
1020 #define CHECK_EXTENSION2(EXT1, EXT2) \
1021 if (!ctx->Extensions.EXT1 && !ctx->Extensions.EXT2) { \
1022 _mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabled"); \
1028 * Helper function to determine whether a texture target is enabled.
1031 is_texture_enabled(GLcontext
*ctx
, GLbitfield bit
)
1033 const struct gl_texture_unit
*const texUnit
=
1034 &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
1035 return (texUnit
->Enabled
& bit
) ? GL_TRUE
: GL_FALSE
;
1040 * Return simple enable/disable state.
1042 * \param cap state variable to query.
1044 * Returns the state of the specified capability from the current GL context.
1045 * For the capabilities associated with extensions verifies that those
1046 * extensions are effectively present before reporting.
1048 GLboolean GLAPIENTRY
1049 _mesa_IsEnabled( GLenum cap
)
1051 GET_CURRENT_CONTEXT(ctx
);
1054 return ctx
->Color
.AlphaEnabled
;
1055 case GL_AUTO_NORMAL
:
1056 return ctx
->Eval
.AutoNormal
;
1058 return ctx
->Color
.BlendEnabled
;
1059 case GL_CLIP_PLANE0
:
1060 case GL_CLIP_PLANE1
:
1061 case GL_CLIP_PLANE2
:
1062 case GL_CLIP_PLANE3
:
1063 case GL_CLIP_PLANE4
:
1064 case GL_CLIP_PLANE5
:
1065 return (ctx
->Transform
.ClipPlanesEnabled
>> (cap
- GL_CLIP_PLANE0
)) & 1;
1066 case GL_COLOR_MATERIAL
:
1067 return ctx
->Light
.ColorMaterialEnabled
;
1069 return ctx
->Polygon
.CullFlag
;
1071 return ctx
->Depth
.Test
;
1073 return ctx
->Color
.DitherFlag
;
1075 return ctx
->Fog
.Enabled
;
1077 return ctx
->Light
.Enabled
;
1086 return ctx
->Light
.Light
[cap
-GL_LIGHT0
].Enabled
;
1087 case GL_LINE_SMOOTH
:
1088 return ctx
->Line
.SmoothFlag
;
1089 case GL_LINE_STIPPLE
:
1090 return ctx
->Line
.StippleFlag
;
1091 case GL_INDEX_LOGIC_OP
:
1092 return ctx
->Color
.IndexLogicOpEnabled
;
1093 case GL_COLOR_LOGIC_OP
:
1094 return ctx
->Color
.ColorLogicOpEnabled
;
1095 case GL_MAP1_COLOR_4
:
1096 return ctx
->Eval
.Map1Color4
;
1098 return ctx
->Eval
.Map1Index
;
1099 case GL_MAP1_NORMAL
:
1100 return ctx
->Eval
.Map1Normal
;
1101 case GL_MAP1_TEXTURE_COORD_1
:
1102 return ctx
->Eval
.Map1TextureCoord1
;
1103 case GL_MAP1_TEXTURE_COORD_2
:
1104 return ctx
->Eval
.Map1TextureCoord2
;
1105 case GL_MAP1_TEXTURE_COORD_3
:
1106 return ctx
->Eval
.Map1TextureCoord3
;
1107 case GL_MAP1_TEXTURE_COORD_4
:
1108 return ctx
->Eval
.Map1TextureCoord4
;
1109 case GL_MAP1_VERTEX_3
:
1110 return ctx
->Eval
.Map1Vertex3
;
1111 case GL_MAP1_VERTEX_4
:
1112 return ctx
->Eval
.Map1Vertex4
;
1113 case GL_MAP2_COLOR_4
:
1114 return ctx
->Eval
.Map2Color4
;
1116 return ctx
->Eval
.Map2Index
;
1117 case GL_MAP2_NORMAL
:
1118 return ctx
->Eval
.Map2Normal
;
1119 case GL_MAP2_TEXTURE_COORD_1
:
1120 return ctx
->Eval
.Map2TextureCoord1
;
1121 case GL_MAP2_TEXTURE_COORD_2
:
1122 return ctx
->Eval
.Map2TextureCoord2
;
1123 case GL_MAP2_TEXTURE_COORD_3
:
1124 return ctx
->Eval
.Map2TextureCoord3
;
1125 case GL_MAP2_TEXTURE_COORD_4
:
1126 return ctx
->Eval
.Map2TextureCoord4
;
1127 case GL_MAP2_VERTEX_3
:
1128 return ctx
->Eval
.Map2Vertex3
;
1129 case GL_MAP2_VERTEX_4
:
1130 return ctx
->Eval
.Map2Vertex4
;
1132 return ctx
->Transform
.Normalize
;
1133 case GL_POINT_SMOOTH
:
1134 return ctx
->Point
.SmoothFlag
;
1135 case GL_POLYGON_SMOOTH
:
1136 return ctx
->Polygon
.SmoothFlag
;
1137 case GL_POLYGON_STIPPLE
:
1138 return ctx
->Polygon
.StippleFlag
;
1139 case GL_POLYGON_OFFSET_POINT
:
1140 return ctx
->Polygon
.OffsetPoint
;
1141 case GL_POLYGON_OFFSET_LINE
:
1142 return ctx
->Polygon
.OffsetLine
;
1143 case GL_POLYGON_OFFSET_FILL
:
1144 /*case GL_POLYGON_OFFSET_EXT:*/
1145 return ctx
->Polygon
.OffsetFill
;
1146 case GL_RESCALE_NORMAL_EXT
:
1147 return ctx
->Transform
.RescaleNormals
;
1148 case GL_SCISSOR_TEST
:
1149 return ctx
->Scissor
.Enabled
;
1150 case GL_SHARED_TEXTURE_PALETTE_EXT
:
1151 return ctx
->Texture
.SharedPalette
;
1152 case GL_STENCIL_TEST
:
1153 return ctx
->Stencil
.Enabled
;
1155 return is_texture_enabled(ctx
, TEXTURE_1D_BIT
);
1157 return is_texture_enabled(ctx
, TEXTURE_2D_BIT
);
1159 return is_texture_enabled(ctx
, TEXTURE_3D_BIT
);
1160 case GL_TEXTURE_GEN_Q
:
1162 const struct gl_texture_unit
*texUnit
= get_texcoord_unit(ctx
);
1164 return (texUnit
->TexGenEnabled
& Q_BIT
) ? GL_TRUE
: GL_FALSE
;
1168 case GL_TEXTURE_GEN_R
:
1170 const struct gl_texture_unit
*texUnit
= get_texcoord_unit(ctx
);
1172 return (texUnit
->TexGenEnabled
& R_BIT
) ? GL_TRUE
: GL_FALSE
;
1176 case GL_TEXTURE_GEN_S
:
1178 const struct gl_texture_unit
*texUnit
= get_texcoord_unit(ctx
);
1180 return (texUnit
->TexGenEnabled
& S_BIT
) ? GL_TRUE
: GL_FALSE
;
1184 case GL_TEXTURE_GEN_T
:
1186 const struct gl_texture_unit
*texUnit
= get_texcoord_unit(ctx
);
1188 return (texUnit
->TexGenEnabled
& T_BIT
) ? GL_TRUE
: GL_FALSE
;
1196 case GL_VERTEX_ARRAY
:
1197 return (ctx
->Array
.ArrayObj
->Vertex
.Enabled
!= 0);
1198 case GL_NORMAL_ARRAY
:
1199 return (ctx
->Array
.ArrayObj
->Normal
.Enabled
!= 0);
1200 case GL_COLOR_ARRAY
:
1201 return (ctx
->Array
.ArrayObj
->Color
.Enabled
!= 0);
1202 case GL_INDEX_ARRAY
:
1203 return (ctx
->Array
.ArrayObj
->Index
.Enabled
!= 0);
1204 case GL_TEXTURE_COORD_ARRAY
:
1205 return (ctx
->Array
.ArrayObj
->TexCoord
[ctx
->Array
.ActiveTexture
].Enabled
!= 0);
1206 case GL_EDGE_FLAG_ARRAY
:
1207 return (ctx
->Array
.ArrayObj
->EdgeFlag
.Enabled
!= 0);
1208 case GL_FOG_COORDINATE_ARRAY_EXT
:
1209 CHECK_EXTENSION(EXT_fog_coord
);
1210 return (ctx
->Array
.ArrayObj
->FogCoord
.Enabled
!= 0);
1211 case GL_SECONDARY_COLOR_ARRAY_EXT
:
1212 CHECK_EXTENSION(EXT_secondary_color
);
1213 return (ctx
->Array
.ArrayObj
->SecondaryColor
.Enabled
!= 0);
1214 #if FEATURE_point_size_array
1215 case GL_POINT_SIZE_ARRAY_OES
:
1216 return (ctx
->Array
.ArrayObj
->PointSize
.Enabled
!= 0);
1219 /* GL_EXT_histogram */
1221 CHECK_EXTENSION(EXT_histogram
);
1222 return ctx
->Pixel
.HistogramEnabled
;
1224 CHECK_EXTENSION(EXT_histogram
);
1225 return ctx
->Pixel
.MinMaxEnabled
;
1227 /* GL_SGI_color_table */
1228 case GL_COLOR_TABLE_SGI
:
1229 CHECK_EXTENSION(SGI_color_table
);
1230 return ctx
->Pixel
.ColorTableEnabled
[COLORTABLE_PRECONVOLUTION
];
1231 case GL_POST_CONVOLUTION_COLOR_TABLE_SGI
:
1232 CHECK_EXTENSION(SGI_color_table
);
1233 return ctx
->Pixel
.ColorTableEnabled
[COLORTABLE_POSTCONVOLUTION
];
1234 case GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI
:
1235 CHECK_EXTENSION(SGI_color_table
);
1236 return ctx
->Pixel
.ColorTableEnabled
[COLORTABLE_POSTCOLORMATRIX
];
1238 /* GL_SGI_texture_color_table */
1239 case GL_TEXTURE_COLOR_TABLE_SGI
:
1240 CHECK_EXTENSION(SGI_texture_color_table
);
1241 return ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
].ColorTableEnabled
;
1243 /* GL_EXT_convolution */
1244 case GL_CONVOLUTION_1D
:
1245 CHECK_EXTENSION(EXT_convolution
);
1246 return ctx
->Pixel
.Convolution1DEnabled
;
1247 case GL_CONVOLUTION_2D
:
1248 CHECK_EXTENSION(EXT_convolution
);
1249 return ctx
->Pixel
.Convolution2DEnabled
;
1250 case GL_SEPARABLE_2D
:
1251 CHECK_EXTENSION(EXT_convolution
);
1252 return ctx
->Pixel
.Separable2DEnabled
;
1254 /* GL_ARB_texture_cube_map */
1255 case GL_TEXTURE_CUBE_MAP_ARB
:
1256 CHECK_EXTENSION(ARB_texture_cube_map
);
1257 return is_texture_enabled(ctx
, TEXTURE_CUBE_BIT
);
1259 /* GL_EXT_secondary_color */
1260 case GL_COLOR_SUM_EXT
:
1261 CHECK_EXTENSION2(EXT_secondary_color
, ARB_vertex_program
);
1262 return ctx
->Fog
.ColorSumEnabled
;
1264 /* GL_ARB_multisample */
1265 case GL_MULTISAMPLE_ARB
:
1266 return ctx
->Multisample
.Enabled
;
1267 case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB
:
1268 return ctx
->Multisample
.SampleAlphaToCoverage
;
1269 case GL_SAMPLE_ALPHA_TO_ONE_ARB
:
1270 return ctx
->Multisample
.SampleAlphaToOne
;
1271 case GL_SAMPLE_COVERAGE_ARB
:
1272 return ctx
->Multisample
.SampleCoverage
;
1273 case GL_SAMPLE_COVERAGE_INVERT_ARB
:
1274 return ctx
->Multisample
.SampleCoverageInvert
;
1276 /* GL_IBM_rasterpos_clip */
1277 case GL_RASTER_POSITION_UNCLIPPED_IBM
:
1278 CHECK_EXTENSION(IBM_rasterpos_clip
);
1279 return ctx
->Transform
.RasterPositionUnclipped
;
1281 /* GL_NV_point_sprite */
1282 case GL_POINT_SPRITE_NV
:
1283 CHECK_EXTENSION2(NV_point_sprite
, ARB_point_sprite
)
1284 return ctx
->Point
.PointSprite
;
1286 #if FEATURE_NV_vertex_program || FEATURE_ARB_vertex_program
1287 case GL_VERTEX_PROGRAM_ARB
:
1288 CHECK_EXTENSION2(ARB_vertex_program
, NV_vertex_program
);
1289 return ctx
->VertexProgram
.Enabled
;
1290 case GL_VERTEX_PROGRAM_POINT_SIZE_ARB
:
1291 CHECK_EXTENSION2(ARB_vertex_program
, NV_vertex_program
);
1292 return ctx
->VertexProgram
.PointSizeEnabled
;
1293 case GL_VERTEX_PROGRAM_TWO_SIDE_ARB
:
1294 CHECK_EXTENSION2(ARB_vertex_program
, NV_vertex_program
);
1295 return ctx
->VertexProgram
.TwoSideEnabled
;
1297 #if FEATURE_NV_vertex_program
1298 case GL_VERTEX_ATTRIB_ARRAY0_NV
:
1299 case GL_VERTEX_ATTRIB_ARRAY1_NV
:
1300 case GL_VERTEX_ATTRIB_ARRAY2_NV
:
1301 case GL_VERTEX_ATTRIB_ARRAY3_NV
:
1302 case GL_VERTEX_ATTRIB_ARRAY4_NV
:
1303 case GL_VERTEX_ATTRIB_ARRAY5_NV
:
1304 case GL_VERTEX_ATTRIB_ARRAY6_NV
:
1305 case GL_VERTEX_ATTRIB_ARRAY7_NV
:
1306 case GL_VERTEX_ATTRIB_ARRAY8_NV
:
1307 case GL_VERTEX_ATTRIB_ARRAY9_NV
:
1308 case GL_VERTEX_ATTRIB_ARRAY10_NV
:
1309 case GL_VERTEX_ATTRIB_ARRAY11_NV
:
1310 case GL_VERTEX_ATTRIB_ARRAY12_NV
:
1311 case GL_VERTEX_ATTRIB_ARRAY13_NV
:
1312 case GL_VERTEX_ATTRIB_ARRAY14_NV
:
1313 case GL_VERTEX_ATTRIB_ARRAY15_NV
:
1314 CHECK_EXTENSION(NV_vertex_program
);
1316 GLint n
= (GLint
) cap
- GL_VERTEX_ATTRIB_ARRAY0_NV
;
1317 return (ctx
->Array
.ArrayObj
->VertexAttrib
[n
].Enabled
!= 0);
1319 case GL_MAP1_VERTEX_ATTRIB0_4_NV
:
1320 case GL_MAP1_VERTEX_ATTRIB1_4_NV
:
1321 case GL_MAP1_VERTEX_ATTRIB2_4_NV
:
1322 case GL_MAP1_VERTEX_ATTRIB3_4_NV
:
1323 case GL_MAP1_VERTEX_ATTRIB4_4_NV
:
1324 case GL_MAP1_VERTEX_ATTRIB5_4_NV
:
1325 case GL_MAP1_VERTEX_ATTRIB6_4_NV
:
1326 case GL_MAP1_VERTEX_ATTRIB7_4_NV
:
1327 case GL_MAP1_VERTEX_ATTRIB8_4_NV
:
1328 case GL_MAP1_VERTEX_ATTRIB9_4_NV
:
1329 case GL_MAP1_VERTEX_ATTRIB10_4_NV
:
1330 case GL_MAP1_VERTEX_ATTRIB11_4_NV
:
1331 case GL_MAP1_VERTEX_ATTRIB12_4_NV
:
1332 case GL_MAP1_VERTEX_ATTRIB13_4_NV
:
1333 case GL_MAP1_VERTEX_ATTRIB14_4_NV
:
1334 case GL_MAP1_VERTEX_ATTRIB15_4_NV
:
1335 CHECK_EXTENSION(NV_vertex_program
);
1337 const GLuint map
= (GLuint
) (cap
- GL_MAP1_VERTEX_ATTRIB0_4_NV
);
1338 return ctx
->Eval
.Map1Attrib
[map
];
1340 case GL_MAP2_VERTEX_ATTRIB0_4_NV
:
1341 case GL_MAP2_VERTEX_ATTRIB1_4_NV
:
1342 case GL_MAP2_VERTEX_ATTRIB2_4_NV
:
1343 case GL_MAP2_VERTEX_ATTRIB3_4_NV
:
1344 case GL_MAP2_VERTEX_ATTRIB4_4_NV
:
1345 case GL_MAP2_VERTEX_ATTRIB5_4_NV
:
1346 case GL_MAP2_VERTEX_ATTRIB6_4_NV
:
1347 case GL_MAP2_VERTEX_ATTRIB7_4_NV
:
1348 case GL_MAP2_VERTEX_ATTRIB8_4_NV
:
1349 case GL_MAP2_VERTEX_ATTRIB9_4_NV
:
1350 case GL_MAP2_VERTEX_ATTRIB10_4_NV
:
1351 case GL_MAP2_VERTEX_ATTRIB11_4_NV
:
1352 case GL_MAP2_VERTEX_ATTRIB12_4_NV
:
1353 case GL_MAP2_VERTEX_ATTRIB13_4_NV
:
1354 case GL_MAP2_VERTEX_ATTRIB14_4_NV
:
1355 case GL_MAP2_VERTEX_ATTRIB15_4_NV
:
1356 CHECK_EXTENSION(NV_vertex_program
);
1358 const GLuint map
= (GLuint
) (cap
- GL_MAP2_VERTEX_ATTRIB0_4_NV
);
1359 return ctx
->Eval
.Map2Attrib
[map
];
1361 #endif /* FEATURE_NV_vertex_program */
1363 #if FEATURE_NV_fragment_program
1364 case GL_FRAGMENT_PROGRAM_NV
:
1365 CHECK_EXTENSION(NV_fragment_program
);
1366 return ctx
->FragmentProgram
.Enabled
;
1367 #endif /* FEATURE_NV_fragment_program */
1369 /* GL_NV_texture_rectangle */
1370 case GL_TEXTURE_RECTANGLE_NV
:
1371 CHECK_EXTENSION(NV_texture_rectangle
);
1372 return is_texture_enabled(ctx
, TEXTURE_RECT_BIT
);
1374 /* GL_EXT_stencil_two_side */
1375 case GL_STENCIL_TEST_TWO_SIDE_EXT
:
1376 CHECK_EXTENSION(EXT_stencil_two_side
);
1377 return ctx
->Stencil
.TestTwoSide
;
1379 #if FEATURE_ARB_fragment_program
1380 case GL_FRAGMENT_PROGRAM_ARB
:
1381 return ctx
->FragmentProgram
.Enabled
;
1382 #endif /* FEATURE_ARB_fragment_program */
1384 /* GL_EXT_depth_bounds_test */
1385 case GL_DEPTH_BOUNDS_TEST_EXT
:
1386 CHECK_EXTENSION(EXT_depth_bounds_test
);
1387 return ctx
->Depth
.BoundsTest
;
1389 #if FEATURE_ATI_fragment_shader
1390 case GL_FRAGMENT_SHADER_ATI
:
1391 CHECK_EXTENSION(ATI_fragment_shader
);
1392 return ctx
->ATIFragmentShader
.Enabled
;
1393 #endif /* FEATURE_ATI_fragment_shader */
1395 _mesa_error(ctx
, GL_INVALID_ENUM
, "glIsEnabled(0x%x)", (int) cap
);