1 /* $Id: enable.c,v 1.70 2002/10/16 17:57:51 brianp Exp $ */
4 * Mesa 3-D graphics library
7 * Copyright (C) 1999-2002 Brian Paul All Rights Reserved.
9 * Permission is hereby granted, free of charge, to any person obtaining a
10 * copy of this software and associated documentation files (the "Software"),
11 * to deal in the Software without restriction, including without limitation
12 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
13 * and/or sell copies of the Software, and to permit persons to whom the
14 * Software is furnished to do so, subject to the following conditions:
16 * The above copyright notice and this permission notice shall be included
17 * in all copies or substantial portions of the Software.
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
23 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
24 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
37 #include "simple_list.h"
40 #include "math/m_matrix.h"
41 #include "math/m_xform.h"
45 #define CHECK_EXTENSION(EXTNAME, CAP) \
46 if (!ctx->Extensions.EXTNAME) { \
47 _mesa_error(ctx, GL_INVALID_ENUM, "gl%sClientState(0x%x)", \
48 state ? "Enable" : "Disable", CAP); \
55 client_state( GLcontext
*ctx
, GLenum cap
, GLboolean state
)
62 var
= &ctx
->Array
.Vertex
.Enabled
;
63 flag
= _NEW_ARRAY_VERTEX
;
66 var
= &ctx
->Array
.Normal
.Enabled
;
67 flag
= _NEW_ARRAY_NORMAL
;
70 var
= &ctx
->Array
.Color
.Enabled
;
71 flag
= _NEW_ARRAY_COLOR0
;
74 var
= &ctx
->Array
.Index
.Enabled
;
75 flag
= _NEW_ARRAY_INDEX
;
77 case GL_TEXTURE_COORD_ARRAY
:
78 var
= &ctx
->Array
.TexCoord
[ctx
->Array
.ActiveTexture
].Enabled
;
79 flag
= _NEW_ARRAY_TEXCOORD(ctx
->Array
.ActiveTexture
);
81 case GL_EDGE_FLAG_ARRAY
:
82 var
= &ctx
->Array
.EdgeFlag
.Enabled
;
83 flag
= _NEW_ARRAY_EDGEFLAG
;
85 case GL_FOG_COORDINATE_ARRAY_EXT
:
86 var
= &ctx
->Array
.FogCoord
.Enabled
;
87 flag
= _NEW_ARRAY_FOGCOORD
;
89 case GL_SECONDARY_COLOR_ARRAY_EXT
:
90 var
= &ctx
->Array
.SecondaryColor
.Enabled
;
91 flag
= _NEW_ARRAY_COLOR1
;
94 #if FEATURE_NV_vertex_program
95 case GL_VERTEX_ATTRIB_ARRAY0_NV
:
96 case GL_VERTEX_ATTRIB_ARRAY1_NV
:
97 case GL_VERTEX_ATTRIB_ARRAY2_NV
:
98 case GL_VERTEX_ATTRIB_ARRAY3_NV
:
99 case GL_VERTEX_ATTRIB_ARRAY4_NV
:
100 case GL_VERTEX_ATTRIB_ARRAY5_NV
:
101 case GL_VERTEX_ATTRIB_ARRAY6_NV
:
102 case GL_VERTEX_ATTRIB_ARRAY7_NV
:
103 case GL_VERTEX_ATTRIB_ARRAY8_NV
:
104 case GL_VERTEX_ATTRIB_ARRAY9_NV
:
105 case GL_VERTEX_ATTRIB_ARRAY10_NV
:
106 case GL_VERTEX_ATTRIB_ARRAY11_NV
:
107 case GL_VERTEX_ATTRIB_ARRAY12_NV
:
108 case GL_VERTEX_ATTRIB_ARRAY13_NV
:
109 case GL_VERTEX_ATTRIB_ARRAY14_NV
:
110 case GL_VERTEX_ATTRIB_ARRAY15_NV
:
111 CHECK_EXTENSION(NV_vertex_program
, cap
);
113 GLint n
= (GLint
) cap
- GL_VERTEX_ATTRIB_ARRAY0_NV
;
114 var
= &ctx
->Array
.VertexAttrib
[n
].Enabled
;
115 flag
= _NEW_ARRAY_ATTRIB(n
);
118 #endif /* FEATURE_NV_vertex_program */
121 _mesa_error( ctx
, GL_INVALID_ENUM
,
122 "glEnable/DisableClientState(0x%x)", cap
);
129 FLUSH_VERTICES(ctx
, _NEW_ARRAY
);
130 ctx
->Array
.NewState
|= flag
;
134 ctx
->Array
._Enabled
|= flag
;
136 ctx
->Array
._Enabled
&= ~flag
;
138 if (ctx
->Driver
.Enable
) {
139 (*ctx
->Driver
.Enable
)( ctx
, cap
, state
);
146 _mesa_EnableClientState( GLenum cap
)
148 GET_CURRENT_CONTEXT(ctx
);
149 ASSERT_OUTSIDE_BEGIN_END(ctx
);
150 client_state( ctx
, cap
, GL_TRUE
);
156 _mesa_DisableClientState( GLenum cap
)
158 GET_CURRENT_CONTEXT(ctx
);
159 ASSERT_OUTSIDE_BEGIN_END(ctx
);
160 client_state( ctx
, cap
, GL_FALSE
);
164 #undef CHECK_EXTENSION
165 #define CHECK_EXTENSION(EXTNAME, CAP) \
166 if (!ctx->Extensions.EXTNAME) { \
167 _mesa_error(ctx, GL_INVALID_ENUM, "gl%s(0x%x)", \
168 state ? "Enable" : "Disable", CAP); \
174 * Perform glEnable and glDisable calls.
176 void _mesa_set_enable( GLcontext
*ctx
, GLenum cap
, GLboolean state
)
178 if (MESA_VERBOSE
& VERBOSE_API
)
179 _mesa_debug(ctx
, "%s %s (newstate is %x)\n",
180 state
? "glEnable" : "glDisable",
181 _mesa_lookup_enum_by_nr(cap
),
186 if (ctx
->Color
.AlphaEnabled
== state
)
188 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
189 ctx
->Color
.AlphaEnabled
= state
;
192 if (ctx
->Eval
.AutoNormal
== state
)
194 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
195 ctx
->Eval
.AutoNormal
= state
;
198 if (ctx
->Color
.BlendEnabled
== state
)
200 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
201 ctx
->Color
.BlendEnabled
= state
;
202 /* The following needed to accomodate 1.0 RGB logic op blending */
203 ctx
->Color
.ColorLogicOpEnabled
=
204 (ctx
->Color
.BlendEquation
== GL_LOGIC_OP
&& state
);
213 const GLuint p
= cap
- GL_CLIP_PLANE0
;
215 if ((ctx
->Transform
.ClipPlanesEnabled
& (1 << p
)) == ((GLuint
) state
<< p
))
218 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
221 ctx
->Transform
.ClipPlanesEnabled
|= (1 << p
);
223 if (ctx
->ProjectionMatrixStack
.Top
->flags
& MAT_DIRTY
)
224 _math_matrix_analyse( ctx
->ProjectionMatrixStack
.Top
);
226 /* This derived state also calculated in clip.c and
227 * from _mesa_update_state() on changes to EyeUserPlane
228 * and ctx->ProjectionMatrix respectively.
230 _mesa_transform_vector( ctx
->Transform
._ClipUserPlane
[p
],
231 ctx
->Transform
.EyeUserPlane
[p
],
232 ctx
->ProjectionMatrixStack
.Top
->inv
);
235 ctx
->Transform
.ClipPlanesEnabled
&= ~(1 << p
);
239 case GL_COLOR_MATERIAL
:
240 if (ctx
->Light
.ColorMaterialEnabled
== state
)
242 FLUSH_VERTICES(ctx
, _NEW_LIGHT
);
243 ctx
->Light
.ColorMaterialEnabled
= state
;
245 FLUSH_CURRENT(ctx
, 0);
246 _mesa_update_color_material( ctx
,
247 ctx
->Current
.Attrib
[VERT_ATTRIB_COLOR0
] );
251 if (ctx
->Polygon
.CullFlag
== state
)
253 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
254 ctx
->Polygon
.CullFlag
= state
;
257 if (state
&& ctx
->Visual
.depthBits
==0) {
258 _mesa_warning(ctx
,"glEnable(GL_DEPTH_TEST) but no depth buffer");
261 if (ctx
->Depth
.Test
==state
)
263 FLUSH_VERTICES(ctx
, _NEW_DEPTH
);
264 ctx
->Depth
.Test
= state
;
268 state
= GL_FALSE
; /* MESA_NO_DITHER env var */
270 if (ctx
->Color
.DitherFlag
==state
)
272 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
273 ctx
->Color
.DitherFlag
= state
;
276 if (ctx
->Fog
.Enabled
==state
)
278 FLUSH_VERTICES(ctx
, _NEW_FOG
);
279 ctx
->Fog
.Enabled
= state
;
282 CHECK_EXTENSION(EXT_histogram
, cap
);
283 if (ctx
->Pixel
.HistogramEnabled
== state
)
285 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
286 ctx
->Pixel
.HistogramEnabled
= state
;
296 if (ctx
->Light
.Light
[cap
-GL_LIGHT0
].Enabled
== state
)
298 FLUSH_VERTICES(ctx
, _NEW_LIGHT
);
299 ctx
->Light
.Light
[cap
-GL_LIGHT0
].Enabled
= state
;
301 insert_at_tail(&ctx
->Light
.EnabledList
,
302 &ctx
->Light
.Light
[cap
-GL_LIGHT0
]);
305 remove_from_list(&ctx
->Light
.Light
[cap
-GL_LIGHT0
]);
309 if (ctx
->Light
.Enabled
== state
)
311 FLUSH_VERTICES(ctx
, _NEW_LIGHT
);
312 ctx
->Light
.Enabled
= state
;
314 if (ctx
->Light
.Enabled
&& ctx
->Light
.Model
.TwoSide
)
315 ctx
->_TriangleCaps
|= DD_TRI_LIGHT_TWOSIDE
;
317 ctx
->_TriangleCaps
&= ~DD_TRI_LIGHT_TWOSIDE
;
319 if ((ctx
->Light
.Enabled
&&
320 ctx
->Light
.Model
.ColorControl
==GL_SEPARATE_SPECULAR_COLOR
)
321 || ctx
->Fog
.ColorSumEnabled
)
322 ctx
->_TriangleCaps
|= DD_SEPARATE_SPECULAR
;
324 ctx
->_TriangleCaps
&= ~DD_SEPARATE_SPECULAR
;
328 if (ctx
->Line
.SmoothFlag
== state
)
330 FLUSH_VERTICES(ctx
, _NEW_LINE
);
331 ctx
->Line
.SmoothFlag
= state
;
332 ctx
->_TriangleCaps
^= DD_LINE_SMOOTH
;
334 case GL_LINE_STIPPLE
:
335 if (ctx
->Line
.StippleFlag
== state
)
337 FLUSH_VERTICES(ctx
, _NEW_LINE
);
338 ctx
->Line
.StippleFlag
= state
;
339 ctx
->_TriangleCaps
^= DD_LINE_STIPPLE
;
341 case GL_INDEX_LOGIC_OP
:
342 if (ctx
->Color
.IndexLogicOpEnabled
== state
)
344 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
345 ctx
->Color
.IndexLogicOpEnabled
= state
;
347 case GL_COLOR_LOGIC_OP
:
348 if (ctx
->Color
.ColorLogicOpEnabled
== state
)
350 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
351 ctx
->Color
.ColorLogicOpEnabled
= state
;
353 case GL_MAP1_COLOR_4
:
354 if (ctx
->Eval
.Map1Color4
== state
)
356 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
357 ctx
->Eval
.Map1Color4
= state
;
360 if (ctx
->Eval
.Map1Index
== state
)
362 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
363 ctx
->Eval
.Map1Index
= state
;
366 if (ctx
->Eval
.Map1Normal
== state
)
368 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
369 ctx
->Eval
.Map1Normal
= state
;
371 case GL_MAP1_TEXTURE_COORD_1
:
372 if (ctx
->Eval
.Map1TextureCoord1
== state
)
374 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
375 ctx
->Eval
.Map1TextureCoord1
= state
;
377 case GL_MAP1_TEXTURE_COORD_2
:
378 if (ctx
->Eval
.Map1TextureCoord2
== state
)
380 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
381 ctx
->Eval
.Map1TextureCoord2
= state
;
383 case GL_MAP1_TEXTURE_COORD_3
:
384 if (ctx
->Eval
.Map1TextureCoord3
== state
)
386 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
387 ctx
->Eval
.Map1TextureCoord3
= state
;
389 case GL_MAP1_TEXTURE_COORD_4
:
390 if (ctx
->Eval
.Map1TextureCoord4
== state
)
392 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
393 ctx
->Eval
.Map1TextureCoord4
= state
;
395 case GL_MAP1_VERTEX_3
:
396 if (ctx
->Eval
.Map1Vertex3
== state
)
398 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
399 ctx
->Eval
.Map1Vertex3
= state
;
401 case GL_MAP1_VERTEX_4
:
402 if (ctx
->Eval
.Map1Vertex4
== state
)
404 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
405 ctx
->Eval
.Map1Vertex4
= state
;
407 case GL_MAP2_COLOR_4
:
408 if (ctx
->Eval
.Map2Color4
== state
)
410 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
411 ctx
->Eval
.Map2Color4
= state
;
414 if (ctx
->Eval
.Map2Index
== state
)
416 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
417 ctx
->Eval
.Map2Index
= state
;
420 if (ctx
->Eval
.Map2Normal
== state
)
422 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
423 ctx
->Eval
.Map2Normal
= state
;
425 case GL_MAP2_TEXTURE_COORD_1
:
426 if (ctx
->Eval
.Map2TextureCoord1
== state
)
428 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
429 ctx
->Eval
.Map2TextureCoord1
= state
;
431 case GL_MAP2_TEXTURE_COORD_2
:
432 if (ctx
->Eval
.Map2TextureCoord2
== state
)
434 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
435 ctx
->Eval
.Map2TextureCoord2
= state
;
437 case GL_MAP2_TEXTURE_COORD_3
:
438 if (ctx
->Eval
.Map2TextureCoord3
== state
)
440 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
441 ctx
->Eval
.Map2TextureCoord3
= state
;
443 case GL_MAP2_TEXTURE_COORD_4
:
444 if (ctx
->Eval
.Map2TextureCoord4
== state
)
446 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
447 ctx
->Eval
.Map2TextureCoord4
= state
;
449 case GL_MAP2_VERTEX_3
:
450 if (ctx
->Eval
.Map2Vertex3
== state
)
452 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
453 ctx
->Eval
.Map2Vertex3
= state
;
455 case GL_MAP2_VERTEX_4
:
456 if (ctx
->Eval
.Map2Vertex4
== state
)
458 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
459 ctx
->Eval
.Map2Vertex4
= state
;
462 if (ctx
->Pixel
.MinMaxEnabled
== state
)
464 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
465 ctx
->Pixel
.MinMaxEnabled
= state
;
468 if (ctx
->Transform
.Normalize
== state
)
470 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
471 ctx
->Transform
.Normalize
= state
;
473 case GL_POINT_SMOOTH
:
474 if (ctx
->Point
.SmoothFlag
==state
)
476 FLUSH_VERTICES(ctx
, _NEW_POINT
);
477 ctx
->Point
.SmoothFlag
= state
;
478 ctx
->_TriangleCaps
^= DD_POINT_SMOOTH
;
480 case GL_POLYGON_SMOOTH
:
481 if (ctx
->Polygon
.SmoothFlag
==state
)
483 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
484 ctx
->Polygon
.SmoothFlag
= state
;
485 ctx
->_TriangleCaps
^= DD_TRI_SMOOTH
;
487 case GL_POLYGON_STIPPLE
:
488 if (ctx
->Polygon
.StippleFlag
==state
)
490 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
491 ctx
->Polygon
.StippleFlag
= state
;
492 ctx
->_TriangleCaps
^= DD_TRI_STIPPLE
;
494 case GL_POLYGON_OFFSET_POINT
:
495 if (ctx
->Polygon
.OffsetPoint
==state
)
497 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
498 ctx
->Polygon
.OffsetPoint
= state
;
500 case GL_POLYGON_OFFSET_LINE
:
501 if (ctx
->Polygon
.OffsetLine
==state
)
503 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
504 ctx
->Polygon
.OffsetLine
= state
;
506 case GL_POLYGON_OFFSET_FILL
:
507 /*case GL_POLYGON_OFFSET_EXT:*/
508 if (ctx
->Polygon
.OffsetFill
==state
)
510 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
511 ctx
->Polygon
.OffsetFill
= state
;
513 case GL_RESCALE_NORMAL_EXT
:
514 if (ctx
->Transform
.RescaleNormals
== state
)
516 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
517 ctx
->Transform
.RescaleNormals
= state
;
519 case GL_SCISSOR_TEST
:
520 if (ctx
->Scissor
.Enabled
==state
)
522 FLUSH_VERTICES(ctx
, _NEW_SCISSOR
);
523 ctx
->Scissor
.Enabled
= state
;
525 case GL_SHARED_TEXTURE_PALETTE_EXT
:
526 if (ctx
->Texture
.SharedPalette
== state
)
528 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
529 ctx
->Texture
.SharedPalette
= state
;
531 case GL_STENCIL_TEST
:
532 if (state
&& ctx
->Visual
.stencilBits
==0) {
534 "glEnable(GL_STENCIL_TEST) but no stencil buffer");
537 if (ctx
->Stencil
.Enabled
==state
)
539 FLUSH_VERTICES(ctx
, _NEW_STENCIL
);
540 ctx
->Stencil
.Enabled
= state
;
542 case GL_TEXTURE_1D
: {
543 const GLuint curr
= ctx
->Texture
.CurrentUnit
;
544 struct gl_texture_unit
*texUnit
= &ctx
->Texture
.Unit
[curr
];
545 GLuint newenabled
= texUnit
->Enabled
& ~TEXTURE_1D_BIT
;
547 newenabled
|= TEXTURE_1D_BIT
;
548 if (!ctx
->Visual
.rgbMode
|| texUnit
->Enabled
== newenabled
)
550 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
551 texUnit
->Enabled
= newenabled
;
554 case GL_TEXTURE_2D
: {
555 const GLuint curr
= ctx
->Texture
.CurrentUnit
;
556 struct gl_texture_unit
*texUnit
= &ctx
->Texture
.Unit
[curr
];
557 GLuint newenabled
= texUnit
->Enabled
& ~TEXTURE_2D_BIT
;
559 newenabled
|= TEXTURE_2D_BIT
;
560 if (!ctx
->Visual
.rgbMode
|| texUnit
->Enabled
== newenabled
)
562 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
563 texUnit
->Enabled
= newenabled
;
566 case GL_TEXTURE_3D
: {
567 const GLuint curr
= ctx
->Texture
.CurrentUnit
;
568 struct gl_texture_unit
*texUnit
= &ctx
->Texture
.Unit
[curr
];
569 GLuint newenabled
= texUnit
->Enabled
& ~TEXTURE_3D_BIT
;
571 newenabled
|= TEXTURE_3D_BIT
;
572 if (!ctx
->Visual
.rgbMode
|| texUnit
->Enabled
== newenabled
)
574 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
575 texUnit
->Enabled
= newenabled
;
578 case GL_TEXTURE_GEN_Q
: {
579 GLuint unit
= ctx
->Texture
.CurrentUnit
;
580 struct gl_texture_unit
*texUnit
= &ctx
->Texture
.Unit
[unit
];
581 GLuint newenabled
= texUnit
->TexGenEnabled
& ~Q_BIT
;
584 if (texUnit
->TexGenEnabled
== newenabled
)
586 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
587 texUnit
->TexGenEnabled
= newenabled
;
590 case GL_TEXTURE_GEN_R
: {
591 GLuint unit
= ctx
->Texture
.CurrentUnit
;
592 struct gl_texture_unit
*texUnit
= &ctx
->Texture
.Unit
[unit
];
593 GLuint newenabled
= texUnit
->TexGenEnabled
& ~R_BIT
;
596 if (texUnit
->TexGenEnabled
== newenabled
)
598 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
599 texUnit
->TexGenEnabled
= newenabled
;
603 case GL_TEXTURE_GEN_S
: {
604 GLuint unit
= ctx
->Texture
.CurrentUnit
;
605 struct gl_texture_unit
*texUnit
= &ctx
->Texture
.Unit
[unit
];
606 GLuint newenabled
= texUnit
->TexGenEnabled
& ~S_BIT
;
609 if (texUnit
->TexGenEnabled
== newenabled
)
611 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
612 texUnit
->TexGenEnabled
= newenabled
;
616 case GL_TEXTURE_GEN_T
: {
617 GLuint unit
= ctx
->Texture
.CurrentUnit
;
618 struct gl_texture_unit
*texUnit
= &ctx
->Texture
.Unit
[unit
];
619 GLuint newenabled
= texUnit
->TexGenEnabled
& ~T_BIT
;
622 if (texUnit
->TexGenEnabled
== newenabled
)
624 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
625 texUnit
->TexGenEnabled
= newenabled
;
633 case GL_VERTEX_ARRAY
:
634 case GL_NORMAL_ARRAY
:
637 case GL_TEXTURE_COORD_ARRAY
:
638 case GL_EDGE_FLAG_ARRAY
:
639 case GL_FOG_COORDINATE_ARRAY_EXT
:
640 case GL_SECONDARY_COLOR_ARRAY_EXT
:
641 client_state( ctx
, cap
, state
);
644 /* GL_HP_occlusion_test */
645 case GL_OCCLUSION_TEST_HP
:
646 CHECK_EXTENSION(HP_occlusion_test
, cap
);
647 if (ctx
->Depth
.OcclusionTest
== state
)
649 FLUSH_VERTICES(ctx
, _NEW_DEPTH
);
650 ctx
->Depth
.OcclusionTest
= state
;
652 ctx
->OcclusionResult
= ctx
->OcclusionResultSaved
;
654 ctx
->OcclusionResultSaved
= ctx
->OcclusionResult
;
657 /* GL_SGIS_pixel_texture */
658 case GL_PIXEL_TEXTURE_SGIS
:
659 CHECK_EXTENSION(SGIS_pixel_texture
, cap
);
660 if (ctx
->Pixel
.PixelTextureEnabled
== state
)
662 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
663 ctx
->Pixel
.PixelTextureEnabled
= state
;
666 /* GL_SGIX_pixel_texture */
667 case GL_PIXEL_TEX_GEN_SGIX
:
668 CHECK_EXTENSION(SGIX_pixel_texture
, cap
);
669 if (ctx
->Pixel
.PixelTextureEnabled
== state
)
671 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
672 ctx
->Pixel
.PixelTextureEnabled
= state
;
675 /* GL_SGI_color_table */
676 case GL_COLOR_TABLE_SGI
:
677 CHECK_EXTENSION(SGI_color_table
, cap
);
678 if (ctx
->Pixel
.ColorTableEnabled
== state
)
680 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
681 ctx
->Pixel
.ColorTableEnabled
= state
;
683 case GL_POST_CONVOLUTION_COLOR_TABLE_SGI
:
684 CHECK_EXTENSION(SGI_color_table
, cap
);
685 if (ctx
->Pixel
.PostConvolutionColorTableEnabled
== state
)
687 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
688 ctx
->Pixel
.PostConvolutionColorTableEnabled
= state
;
690 case GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI
:
691 CHECK_EXTENSION(SGI_color_table
, cap
);
692 if (ctx
->Pixel
.PostColorMatrixColorTableEnabled
== state
)
694 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
695 ctx
->Pixel
.PostColorMatrixColorTableEnabled
= state
;
698 /* GL_EXT_convolution */
699 case GL_CONVOLUTION_1D
:
700 CHECK_EXTENSION(EXT_convolution
, cap
);
701 if (ctx
->Pixel
.Convolution1DEnabled
== state
)
703 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
704 ctx
->Pixel
.Convolution1DEnabled
= state
;
706 case GL_CONVOLUTION_2D
:
707 CHECK_EXTENSION(EXT_convolution
, cap
);
708 if (ctx
->Pixel
.Convolution2DEnabled
== state
)
710 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
711 ctx
->Pixel
.Convolution2DEnabled
= state
;
713 case GL_SEPARABLE_2D
:
714 CHECK_EXTENSION(EXT_convolution
, cap
);
715 if (ctx
->Pixel
.Separable2DEnabled
== state
)
717 FLUSH_VERTICES(ctx
, _NEW_PIXEL
);
718 ctx
->Pixel
.Separable2DEnabled
= state
;
721 /* GL_ARB_texture_cube_map */
722 case GL_TEXTURE_CUBE_MAP_ARB
:
724 const GLuint curr
= ctx
->Texture
.CurrentUnit
;
725 struct gl_texture_unit
*texUnit
= &ctx
->Texture
.Unit
[curr
];
726 GLuint newenabled
= texUnit
->Enabled
& ~TEXTURE_CUBE_BIT
;
727 CHECK_EXTENSION(ARB_texture_cube_map
, cap
);
729 newenabled
|= TEXTURE_CUBE_BIT
;
730 if (!ctx
->Visual
.rgbMode
|| texUnit
->Enabled
== newenabled
)
732 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
733 texUnit
->Enabled
= newenabled
;
737 /* GL_EXT_secondary_color */
738 case GL_COLOR_SUM_EXT
:
739 CHECK_EXTENSION(EXT_secondary_color
, cap
);
740 if (ctx
->Fog
.ColorSumEnabled
== state
)
742 FLUSH_VERTICES(ctx
, _NEW_FOG
);
743 ctx
->Fog
.ColorSumEnabled
= state
;
745 if ((ctx
->Light
.Enabled
&&
746 ctx
->Light
.Model
.ColorControl
==GL_SEPARATE_SPECULAR_COLOR
)
747 || ctx
->Fog
.ColorSumEnabled
)
748 ctx
->_TriangleCaps
|= DD_SEPARATE_SPECULAR
;
750 ctx
->_TriangleCaps
&= ~DD_SEPARATE_SPECULAR
;
754 /* GL_ARB_multisample */
755 case GL_MULTISAMPLE_ARB
:
756 CHECK_EXTENSION(ARB_multisample
, cap
);
757 if (ctx
->Multisample
.Enabled
== state
)
759 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
760 ctx
->Multisample
.Enabled
= state
;
762 case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB
:
763 CHECK_EXTENSION(ARB_multisample
, cap
);
764 if (ctx
->Multisample
.SampleAlphaToCoverage
== state
)
766 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
767 ctx
->Multisample
.SampleAlphaToCoverage
= state
;
769 case GL_SAMPLE_ALPHA_TO_ONE_ARB
:
770 CHECK_EXTENSION(ARB_multisample
, cap
);
771 if (ctx
->Multisample
.SampleAlphaToOne
== state
)
773 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
774 ctx
->Multisample
.SampleAlphaToOne
= state
;
776 case GL_SAMPLE_COVERAGE_ARB
:
777 CHECK_EXTENSION(ARB_multisample
, cap
);
778 if (ctx
->Multisample
.SampleCoverage
== state
)
780 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
781 ctx
->Multisample
.SampleCoverage
= state
;
783 case GL_SAMPLE_COVERAGE_INVERT_ARB
:
784 CHECK_EXTENSION(ARB_multisample
, cap
);
785 if (ctx
->Multisample
.SampleCoverageInvert
== state
)
787 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
788 ctx
->Multisample
.SampleCoverageInvert
= state
;
791 /* GL_IBM_rasterpos_clip */
792 case GL_RASTER_POSITION_UNCLIPPED_IBM
:
793 CHECK_EXTENSION(IBM_rasterpos_clip
, cap
);
794 if (ctx
->Transform
.RasterPositionUnclipped
== state
)
796 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
797 ctx
->Transform
.RasterPositionUnclipped
= state
;
800 /* GL_NV_point_sprite */
801 case GL_POINT_SPRITE_NV
:
802 CHECK_EXTENSION(NV_point_sprite
, cap
);
803 if (ctx
->Point
.PointSprite
== state
)
805 FLUSH_VERTICES(ctx
, _NEW_POINT
);
806 ctx
->Point
.PointSprite
= state
;
809 #if FEATURE_NV_vertex_program
810 case GL_VERTEX_PROGRAM_NV
:
811 CHECK_EXTENSION(NV_vertex_program
, cap
);
812 if (ctx
->VertexProgram
.Enabled
== state
)
814 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
| _NEW_PROGRAM
); /* XXX OK? */
815 ctx
->VertexProgram
.Enabled
= state
;
817 case GL_VERTEX_PROGRAM_POINT_SIZE_NV
:
818 CHECK_EXTENSION(NV_vertex_program
, cap
);
819 if (ctx
->VertexProgram
.PointSizeEnabled
== state
)
821 FLUSH_VERTICES(ctx
, _NEW_POINT
| _NEW_PROGRAM
);
822 ctx
->VertexProgram
.PointSizeEnabled
= state
;
824 case GL_VERTEX_PROGRAM_TWO_SIDE_NV
:
825 CHECK_EXTENSION(NV_vertex_program
, cap
);
826 if (ctx
->VertexProgram
.TwoSideEnabled
== state
)
828 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
); /* XXX OK? */
829 ctx
->VertexProgram
.TwoSideEnabled
= state
;
831 case GL_MAP1_VERTEX_ATTRIB0_4_NV
:
832 case GL_MAP1_VERTEX_ATTRIB1_4_NV
:
833 case GL_MAP1_VERTEX_ATTRIB2_4_NV
:
834 case GL_MAP1_VERTEX_ATTRIB3_4_NV
:
835 case GL_MAP1_VERTEX_ATTRIB4_4_NV
:
836 case GL_MAP1_VERTEX_ATTRIB5_4_NV
:
837 case GL_MAP1_VERTEX_ATTRIB6_4_NV
:
838 case GL_MAP1_VERTEX_ATTRIB7_4_NV
:
839 case GL_MAP1_VERTEX_ATTRIB8_4_NV
:
840 case GL_MAP1_VERTEX_ATTRIB9_4_NV
:
841 case GL_MAP1_VERTEX_ATTRIB10_4_NV
:
842 case GL_MAP1_VERTEX_ATTRIB11_4_NV
:
843 case GL_MAP1_VERTEX_ATTRIB12_4_NV
:
844 case GL_MAP1_VERTEX_ATTRIB13_4_NV
:
845 case GL_MAP1_VERTEX_ATTRIB14_4_NV
:
846 case GL_MAP1_VERTEX_ATTRIB15_4_NV
:
847 CHECK_EXTENSION(NV_vertex_program
, cap
);
849 const GLuint map
= (GLuint
) (cap
- GL_MAP1_VERTEX_ATTRIB0_4_NV
);
850 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
851 ctx
->Eval
.Map1Attrib
[map
] = state
;
854 case GL_MAP2_VERTEX_ATTRIB0_4_NV
:
855 case GL_MAP2_VERTEX_ATTRIB1_4_NV
:
856 case GL_MAP2_VERTEX_ATTRIB2_4_NV
:
857 case GL_MAP2_VERTEX_ATTRIB3_4_NV
:
858 case GL_MAP2_VERTEX_ATTRIB4_4_NV
:
859 case GL_MAP2_VERTEX_ATTRIB5_4_NV
:
860 case GL_MAP2_VERTEX_ATTRIB6_4_NV
:
861 case GL_MAP2_VERTEX_ATTRIB7_4_NV
:
862 case GL_MAP2_VERTEX_ATTRIB8_4_NV
:
863 case GL_MAP2_VERTEX_ATTRIB9_4_NV
:
864 case GL_MAP2_VERTEX_ATTRIB10_4_NV
:
865 case GL_MAP2_VERTEX_ATTRIB11_4_NV
:
866 case GL_MAP2_VERTEX_ATTRIB12_4_NV
:
867 case GL_MAP2_VERTEX_ATTRIB13_4_NV
:
868 case GL_MAP2_VERTEX_ATTRIB14_4_NV
:
869 case GL_MAP2_VERTEX_ATTRIB15_4_NV
:
870 CHECK_EXTENSION(NV_vertex_program
, cap
);
872 const GLuint map
= (GLuint
) (cap
- GL_MAP2_VERTEX_ATTRIB0_4_NV
);
873 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
874 ctx
->Eval
.Map2Attrib
[map
] = state
;
877 #endif /* FEATURE_NV_vertex_program */
879 /* GL_NV_texture_rectangle */
880 case GL_TEXTURE_RECTANGLE_NV
:
881 CHECK_EXTENSION(NV_texture_rectangle
, cap
);
883 const GLuint curr
= ctx
->Texture
.CurrentUnit
;
884 struct gl_texture_unit
*texUnit
= &ctx
->Texture
.Unit
[curr
];
885 GLuint newenabled
= texUnit
->Enabled
& ~TEXTURE_RECT_BIT
;
886 CHECK_EXTENSION(NV_texture_rectangle
, cap
);
888 newenabled
|= TEXTURE_RECT_BIT
;
889 if (!ctx
->Visual
.rgbMode
|| texUnit
->Enabled
== newenabled
)
891 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
892 texUnit
->Enabled
= newenabled
;
896 /* GL_EXT_stencil_two_side */
897 case GL_STENCIL_TEST_TWO_SIDE_EXT
:
898 CHECK_EXTENSION(EXT_stencil_two_side
, cap
);
899 if (ctx
->Stencil
.TestTwoSide
== state
)
901 FLUSH_VERTICES(ctx
, _NEW_STENCIL
);
902 ctx
->Stencil
.TestTwoSide
= state
;
906 _mesa_error(ctx
, GL_INVALID_ENUM
,
907 "%s(0x%x)", state
? "glEnable" : "glDisable", cap
);
911 if (ctx
->Driver
.Enable
) {
912 (*ctx
->Driver
.Enable
)( ctx
, cap
, state
);
918 _mesa_Enable( GLenum cap
)
920 GET_CURRENT_CONTEXT(ctx
);
921 ASSERT_OUTSIDE_BEGIN_END(ctx
);
923 _mesa_set_enable( ctx
, cap
, GL_TRUE
);
928 _mesa_Disable( GLenum cap
)
930 GET_CURRENT_CONTEXT(ctx
);
931 ASSERT_OUTSIDE_BEGIN_END(ctx
);
933 _mesa_set_enable( ctx
, cap
, GL_FALSE
);
937 #undef CHECK_EXTENSION
938 #define CHECK_EXTENSION(EXTNAME) \
939 if (!ctx->Extensions.EXTNAME) { \
940 _mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabled"); \
946 _mesa_IsEnabled( GLenum cap
)
948 GET_CURRENT_CONTEXT(ctx
);
951 return ctx
->Color
.AlphaEnabled
;
953 return ctx
->Eval
.AutoNormal
;
955 return ctx
->Color
.BlendEnabled
;
962 return (ctx
->Transform
.ClipPlanesEnabled
>> (cap
- GL_CLIP_PLANE0
)) & 1;
963 case GL_COLOR_MATERIAL
:
964 return ctx
->Light
.ColorMaterialEnabled
;
966 return ctx
->Polygon
.CullFlag
;
968 return ctx
->Depth
.Test
;
970 return ctx
->Color
.DitherFlag
;
972 return ctx
->Fog
.Enabled
;
974 return ctx
->Light
.Enabled
;
983 return ctx
->Light
.Light
[cap
-GL_LIGHT0
].Enabled
;
985 return ctx
->Line
.SmoothFlag
;
986 case GL_LINE_STIPPLE
:
987 return ctx
->Line
.StippleFlag
;
988 case GL_INDEX_LOGIC_OP
:
989 return ctx
->Color
.IndexLogicOpEnabled
;
990 case GL_COLOR_LOGIC_OP
:
991 return ctx
->Color
.ColorLogicOpEnabled
;
992 case GL_MAP1_COLOR_4
:
993 return ctx
->Eval
.Map1Color4
;
995 return ctx
->Eval
.Map1Index
;
997 return ctx
->Eval
.Map1Normal
;
998 case GL_MAP1_TEXTURE_COORD_1
:
999 return ctx
->Eval
.Map1TextureCoord1
;
1000 case GL_MAP1_TEXTURE_COORD_2
:
1001 return ctx
->Eval
.Map1TextureCoord2
;
1002 case GL_MAP1_TEXTURE_COORD_3
:
1003 return ctx
->Eval
.Map1TextureCoord3
;
1004 case GL_MAP1_TEXTURE_COORD_4
:
1005 return ctx
->Eval
.Map1TextureCoord4
;
1006 case GL_MAP1_VERTEX_3
:
1007 return ctx
->Eval
.Map1Vertex3
;
1008 case GL_MAP1_VERTEX_4
:
1009 return ctx
->Eval
.Map1Vertex4
;
1010 case GL_MAP2_COLOR_4
:
1011 return ctx
->Eval
.Map2Color4
;
1013 return ctx
->Eval
.Map2Index
;
1014 case GL_MAP2_NORMAL
:
1015 return ctx
->Eval
.Map2Normal
;
1016 case GL_MAP2_TEXTURE_COORD_1
:
1017 return ctx
->Eval
.Map2TextureCoord1
;
1018 case GL_MAP2_TEXTURE_COORD_2
:
1019 return ctx
->Eval
.Map2TextureCoord2
;
1020 case GL_MAP2_TEXTURE_COORD_3
:
1021 return ctx
->Eval
.Map2TextureCoord3
;
1022 case GL_MAP2_TEXTURE_COORD_4
:
1023 return ctx
->Eval
.Map2TextureCoord4
;
1024 case GL_MAP2_VERTEX_3
:
1025 return ctx
->Eval
.Map2Vertex3
;
1026 case GL_MAP2_VERTEX_4
:
1027 return ctx
->Eval
.Map2Vertex4
;
1029 return ctx
->Transform
.Normalize
;
1030 case GL_POINT_SMOOTH
:
1031 return ctx
->Point
.SmoothFlag
;
1032 case GL_POLYGON_SMOOTH
:
1033 return ctx
->Polygon
.SmoothFlag
;
1034 case GL_POLYGON_STIPPLE
:
1035 return ctx
->Polygon
.StippleFlag
;
1036 case GL_POLYGON_OFFSET_POINT
:
1037 return ctx
->Polygon
.OffsetPoint
;
1038 case GL_POLYGON_OFFSET_LINE
:
1039 return ctx
->Polygon
.OffsetLine
;
1040 case GL_POLYGON_OFFSET_FILL
:
1041 /*case GL_POLYGON_OFFSET_EXT:*/
1042 return ctx
->Polygon
.OffsetFill
;
1043 case GL_RESCALE_NORMAL_EXT
:
1044 return ctx
->Transform
.RescaleNormals
;
1045 case GL_SCISSOR_TEST
:
1046 return ctx
->Scissor
.Enabled
;
1047 case GL_SHARED_TEXTURE_PALETTE_EXT
:
1048 return ctx
->Texture
.SharedPalette
;
1049 case GL_STENCIL_TEST
:
1050 return ctx
->Stencil
.Enabled
;
1053 const struct gl_texture_unit
*texUnit
;
1054 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
1055 return (texUnit
->Enabled
& TEXTURE_1D_BIT
) ? GL_TRUE
: GL_FALSE
;
1059 const struct gl_texture_unit
*texUnit
;
1060 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
1061 return (texUnit
->Enabled
& TEXTURE_2D_BIT
) ? GL_TRUE
: GL_FALSE
;
1065 const struct gl_texture_unit
*texUnit
;
1066 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
1067 return (texUnit
->Enabled
& TEXTURE_3D_BIT
) ? GL_TRUE
: GL_FALSE
;
1069 case GL_TEXTURE_GEN_Q
:
1071 const struct gl_texture_unit
*texUnit
;
1072 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
1073 return (texUnit
->TexGenEnabled
& Q_BIT
) ? GL_TRUE
: GL_FALSE
;
1075 case GL_TEXTURE_GEN_R
:
1077 const struct gl_texture_unit
*texUnit
;
1078 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
1079 return (texUnit
->TexGenEnabled
& R_BIT
) ? GL_TRUE
: GL_FALSE
;
1081 case GL_TEXTURE_GEN_S
:
1083 const struct gl_texture_unit
*texUnit
;
1084 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
1085 return (texUnit
->TexGenEnabled
& S_BIT
) ? GL_TRUE
: GL_FALSE
;
1087 case GL_TEXTURE_GEN_T
:
1089 const struct gl_texture_unit
*texUnit
;
1090 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
1091 return (texUnit
->TexGenEnabled
& T_BIT
) ? GL_TRUE
: GL_FALSE
;
1097 case GL_VERTEX_ARRAY
:
1098 return (ctx
->Array
.Vertex
.Enabled
!= 0);
1099 case GL_NORMAL_ARRAY
:
1100 return (ctx
->Array
.Normal
.Enabled
!= 0);
1101 case GL_COLOR_ARRAY
:
1102 return (ctx
->Array
.Color
.Enabled
!= 0);
1103 case GL_INDEX_ARRAY
:
1104 return (ctx
->Array
.Index
.Enabled
!= 0);
1105 case GL_TEXTURE_COORD_ARRAY
:
1106 return (ctx
->Array
.TexCoord
[ctx
->Array
.ActiveTexture
].Enabled
!= 0);
1107 case GL_EDGE_FLAG_ARRAY
:
1108 return (ctx
->Array
.EdgeFlag
.Enabled
!= 0);
1109 case GL_FOG_COORDINATE_ARRAY_EXT
:
1110 CHECK_EXTENSION(EXT_fog_coord
);
1111 return (ctx
->Array
.FogCoord
.Enabled
!= 0);
1112 case GL_SECONDARY_COLOR_ARRAY_EXT
:
1113 CHECK_EXTENSION(EXT_secondary_color
);
1114 return (ctx
->Array
.SecondaryColor
.Enabled
!= 0);
1116 /* GL_EXT_histogram */
1118 CHECK_EXTENSION(EXT_histogram
);
1119 return ctx
->Pixel
.HistogramEnabled
;
1121 CHECK_EXTENSION(EXT_histogram
);
1122 return ctx
->Pixel
.MinMaxEnabled
;
1124 /* GL_HP_occlusion_test */
1125 case GL_OCCLUSION_TEST_HP
:
1126 CHECK_EXTENSION(HP_occlusion_test
);
1127 return ctx
->Depth
.OcclusionTest
;
1129 /* GL_SGIS_pixel_texture */
1130 case GL_PIXEL_TEXTURE_SGIS
:
1131 CHECK_EXTENSION(SGIS_pixel_texture
);
1132 return ctx
->Pixel
.PixelTextureEnabled
;
1134 /* GL_SGIX_pixel_texture */
1135 case GL_PIXEL_TEX_GEN_SGIX
:
1136 CHECK_EXTENSION(SGIX_pixel_texture
);
1137 return ctx
->Pixel
.PixelTextureEnabled
;
1139 /* GL_SGI_color_table */
1140 case GL_COLOR_TABLE_SGI
:
1141 CHECK_EXTENSION(SGI_color_table
);
1142 return ctx
->Pixel
.ColorTableEnabled
;
1143 case GL_POST_CONVOLUTION_COLOR_TABLE_SGI
:
1144 CHECK_EXTENSION(SGI_color_table
);
1145 return ctx
->Pixel
.PostConvolutionColorTableEnabled
;
1146 case GL_POST_COLOR_MATRIX_COLOR_TABLE_SGI
:
1147 CHECK_EXTENSION(SGI_color_table
);
1148 return ctx
->Pixel
.PostColorMatrixColorTableEnabled
;
1150 /* GL_EXT_convolution */
1151 case GL_CONVOLUTION_1D
:
1152 CHECK_EXTENSION(EXT_convolution
);
1153 return ctx
->Pixel
.Convolution1DEnabled
;
1154 case GL_CONVOLUTION_2D
:
1155 CHECK_EXTENSION(EXT_convolution
);
1156 return ctx
->Pixel
.Convolution2DEnabled
;
1157 case GL_SEPARABLE_2D
:
1158 CHECK_EXTENSION(EXT_convolution
);
1159 return ctx
->Pixel
.Separable2DEnabled
;
1161 /* GL_ARB_texture_cube_map */
1162 case GL_TEXTURE_CUBE_MAP_ARB
:
1163 CHECK_EXTENSION(ARB_texture_cube_map
);
1165 const struct gl_texture_unit
*texUnit
;
1166 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
1167 return (texUnit
->Enabled
& TEXTURE_CUBE_BIT
) ? GL_TRUE
: GL_FALSE
;
1170 /* GL_ARB_multisample */
1171 case GL_MULTISAMPLE_ARB
:
1172 CHECK_EXTENSION(ARB_multisample
);
1173 return ctx
->Multisample
.Enabled
;
1174 case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB
:
1175 CHECK_EXTENSION(ARB_multisample
);
1176 return ctx
->Multisample
.SampleAlphaToCoverage
;
1177 case GL_SAMPLE_ALPHA_TO_ONE_ARB
:
1178 CHECK_EXTENSION(ARB_multisample
);
1179 return ctx
->Multisample
.SampleAlphaToOne
;
1180 case GL_SAMPLE_COVERAGE_ARB
:
1181 CHECK_EXTENSION(ARB_multisample
);
1182 return ctx
->Multisample
.SampleCoverage
;
1183 case GL_SAMPLE_COVERAGE_INVERT_ARB
:
1184 CHECK_EXTENSION(ARB_multisample
);
1185 return ctx
->Multisample
.SampleCoverageInvert
;
1187 /* GL_IBM_rasterpos_clip */
1188 case GL_RASTER_POSITION_UNCLIPPED_IBM
:
1189 CHECK_EXTENSION(IBM_rasterpos_clip
);
1190 return ctx
->Transform
.RasterPositionUnclipped
;
1192 /* GL_NV_point_sprite */
1193 case GL_POINT_SPRITE_NV
:
1194 return ctx
->Point
.PointSprite
;
1196 #if FEATURE_NV_vertex_program
1197 case GL_VERTEX_PROGRAM_NV
:
1198 CHECK_EXTENSION(NV_vertex_program
);
1199 return ctx
->VertexProgram
.Enabled
;
1200 case GL_VERTEX_PROGRAM_POINT_SIZE_NV
:
1201 CHECK_EXTENSION(NV_vertex_program
);
1202 return ctx
->VertexProgram
.PointSizeEnabled
;
1203 case GL_VERTEX_PROGRAM_TWO_SIDE_NV
:
1204 CHECK_EXTENSION(NV_vertex_program
);
1205 return ctx
->VertexProgram
.TwoSideEnabled
;
1206 case GL_VERTEX_ATTRIB_ARRAY0_NV
:
1207 case GL_VERTEX_ATTRIB_ARRAY1_NV
:
1208 case GL_VERTEX_ATTRIB_ARRAY2_NV
:
1209 case GL_VERTEX_ATTRIB_ARRAY3_NV
:
1210 case GL_VERTEX_ATTRIB_ARRAY4_NV
:
1211 case GL_VERTEX_ATTRIB_ARRAY5_NV
:
1212 case GL_VERTEX_ATTRIB_ARRAY6_NV
:
1213 case GL_VERTEX_ATTRIB_ARRAY7_NV
:
1214 case GL_VERTEX_ATTRIB_ARRAY8_NV
:
1215 case GL_VERTEX_ATTRIB_ARRAY9_NV
:
1216 case GL_VERTEX_ATTRIB_ARRAY10_NV
:
1217 case GL_VERTEX_ATTRIB_ARRAY11_NV
:
1218 case GL_VERTEX_ATTRIB_ARRAY12_NV
:
1219 case GL_VERTEX_ATTRIB_ARRAY13_NV
:
1220 case GL_VERTEX_ATTRIB_ARRAY14_NV
:
1221 case GL_VERTEX_ATTRIB_ARRAY15_NV
:
1222 CHECK_EXTENSION(NV_vertex_program
);
1224 GLint n
= (GLint
) cap
- GL_VERTEX_ATTRIB_ARRAY0_NV
;
1225 return (ctx
->Array
.VertexAttrib
[n
].Enabled
!= 0);
1227 case GL_MAP1_VERTEX_ATTRIB0_4_NV
:
1228 case GL_MAP1_VERTEX_ATTRIB1_4_NV
:
1229 case GL_MAP1_VERTEX_ATTRIB2_4_NV
:
1230 case GL_MAP1_VERTEX_ATTRIB3_4_NV
:
1231 case GL_MAP1_VERTEX_ATTRIB4_4_NV
:
1232 case GL_MAP1_VERTEX_ATTRIB5_4_NV
:
1233 case GL_MAP1_VERTEX_ATTRIB6_4_NV
:
1234 case GL_MAP1_VERTEX_ATTRIB7_4_NV
:
1235 case GL_MAP1_VERTEX_ATTRIB8_4_NV
:
1236 case GL_MAP1_VERTEX_ATTRIB9_4_NV
:
1237 case GL_MAP1_VERTEX_ATTRIB10_4_NV
:
1238 case GL_MAP1_VERTEX_ATTRIB11_4_NV
:
1239 case GL_MAP1_VERTEX_ATTRIB12_4_NV
:
1240 case GL_MAP1_VERTEX_ATTRIB13_4_NV
:
1241 case GL_MAP1_VERTEX_ATTRIB14_4_NV
:
1242 case GL_MAP1_VERTEX_ATTRIB15_4_NV
:
1243 CHECK_EXTENSION(NV_vertex_program
);
1245 const GLuint map
= (GLuint
) (cap
- GL_MAP1_VERTEX_ATTRIB0_4_NV
);
1246 return ctx
->Eval
.Map1Attrib
[map
];
1248 case GL_MAP2_VERTEX_ATTRIB0_4_NV
:
1249 case GL_MAP2_VERTEX_ATTRIB1_4_NV
:
1250 case GL_MAP2_VERTEX_ATTRIB2_4_NV
:
1251 case GL_MAP2_VERTEX_ATTRIB3_4_NV
:
1252 case GL_MAP2_VERTEX_ATTRIB4_4_NV
:
1253 case GL_MAP2_VERTEX_ATTRIB5_4_NV
:
1254 case GL_MAP2_VERTEX_ATTRIB6_4_NV
:
1255 case GL_MAP2_VERTEX_ATTRIB7_4_NV
:
1256 case GL_MAP2_VERTEX_ATTRIB8_4_NV
:
1257 case GL_MAP2_VERTEX_ATTRIB9_4_NV
:
1258 case GL_MAP2_VERTEX_ATTRIB10_4_NV
:
1259 case GL_MAP2_VERTEX_ATTRIB11_4_NV
:
1260 case GL_MAP2_VERTEX_ATTRIB12_4_NV
:
1261 case GL_MAP2_VERTEX_ATTRIB13_4_NV
:
1262 case GL_MAP2_VERTEX_ATTRIB14_4_NV
:
1263 case GL_MAP2_VERTEX_ATTRIB15_4_NV
:
1264 CHECK_EXTENSION(NV_vertex_program
);
1266 const GLuint map
= (GLuint
) (cap
- GL_MAP2_VERTEX_ATTRIB0_4_NV
);
1267 return ctx
->Eval
.Map2Attrib
[map
];
1269 #endif /* FEATURE_NV_vertex_program */
1271 /* GL_NV_texture_rectangle */
1272 case GL_TEXTURE_RECTANGLE_NV
:
1273 CHECK_EXTENSION(NV_texture_rectangle
);
1275 const struct gl_texture_unit
*texUnit
;
1276 texUnit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
1277 return (texUnit
->Enabled
& TEXTURE_RECT_BIT
) ? GL_TRUE
: GL_FALSE
;
1280 /* GL_EXT_stencil_two_side */
1281 case GL_STENCIL_TEST_TWO_SIDE_EXT
:
1282 CHECK_EXTENSION(EXT_stencil_two_side
);
1283 return ctx
->Stencil
.TestTwoSide
;
1286 _mesa_error(ctx
, GL_INVALID_ENUM
, "glIsEnabled(0x%x)", (int) cap
);