3 * Enable/disable/query GL capabilities.
7 * Mesa 3-D graphics library
9 * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
11 * Permission is hereby granted, free of charge, to any person obtaining a
12 * copy of this software and associated documentation files (the "Software"),
13 * to deal in the Software without restriction, including without limitation
14 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
15 * and/or sell copies of the Software, and to permit persons to whom the
16 * Software is furnished to do so, subject to the following conditions:
18 * The above copyright notice and this permission notice shall be included
19 * in all copies or substantial portions of the Software.
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
22 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
24 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
25 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
26 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
27 * OTHER DEALINGS IN THE SOFTWARE.
37 #include "simple_list.h"
40 #include "api_arrayelt.h"
42 #include "drivers/common/meta.h"
46 #define CHECK_EXTENSION(EXTNAME, CAP) \
47 if (!ctx->Extensions.EXTNAME) { \
48 goto invalid_enum_error; \
53 update_derived_primitive_restart_state(struct gl_context
*ctx
)
55 /* Update derived primitive restart state.
57 ctx
->Array
._PrimitiveRestart
= ctx
->Array
.PrimitiveRestart
58 || ctx
->Array
.PrimitiveRestartFixedIndex
;
62 * Helper to enable/disable client-side state.
65 client_state(struct gl_context
*ctx
, GLenum cap
, GLboolean state
)
67 struct gl_vertex_array_object
*vao
= ctx
->Array
.VAO
;
73 var
= &vao
->VertexAttrib
[VERT_ATTRIB_POS
].Enabled
;
77 var
= &vao
->VertexAttrib
[VERT_ATTRIB_NORMAL
].Enabled
;
78 flag
= VERT_BIT_NORMAL
;
81 var
= &vao
->VertexAttrib
[VERT_ATTRIB_COLOR0
].Enabled
;
82 flag
= VERT_BIT_COLOR0
;
85 var
= &vao
->VertexAttrib
[VERT_ATTRIB_COLOR_INDEX
].Enabled
;
86 flag
= VERT_BIT_COLOR_INDEX
;
88 case GL_TEXTURE_COORD_ARRAY
:
89 var
= &vao
->VertexAttrib
[VERT_ATTRIB_TEX(ctx
->Array
.ActiveTexture
)].Enabled
;
90 flag
= VERT_BIT_TEX(ctx
->Array
.ActiveTexture
);
92 case GL_EDGE_FLAG_ARRAY
:
93 var
= &vao
->VertexAttrib
[VERT_ATTRIB_EDGEFLAG
].Enabled
;
94 flag
= VERT_BIT_EDGEFLAG
;
96 case GL_FOG_COORDINATE_ARRAY_EXT
:
97 var
= &vao
->VertexAttrib
[VERT_ATTRIB_FOG
].Enabled
;
100 case GL_SECONDARY_COLOR_ARRAY_EXT
:
101 var
= &vao
->VertexAttrib
[VERT_ATTRIB_COLOR1
].Enabled
;
102 flag
= VERT_BIT_COLOR1
;
105 case GL_POINT_SIZE_ARRAY_OES
:
106 var
= &vao
->VertexAttrib
[VERT_ATTRIB_POINT_SIZE
].Enabled
;
107 flag
= VERT_BIT_POINT_SIZE
;
110 /* GL_NV_primitive_restart */
111 case GL_PRIMITIVE_RESTART_NV
:
112 if (!ctx
->Extensions
.NV_primitive_restart
) {
113 goto invalid_enum_error
;
115 var
= &ctx
->Array
.PrimitiveRestart
;
120 goto invalid_enum_error
;
126 FLUSH_VERTICES(ctx
, _NEW_ARRAY
);
128 _ae_invalidate_state(ctx
, _NEW_ARRAY
);
132 update_derived_primitive_restart_state(ctx
);
135 vao
->_Enabled
|= flag
;
137 vao
->_Enabled
&= ~flag
;
139 vao
->NewArrays
|= flag
;
141 if (ctx
->Driver
.Enable
) {
142 ctx
->Driver
.Enable( ctx
, cap
, state
);
148 _mesa_error(ctx
, GL_INVALID_ENUM
, "gl%sClientState(%s)",
149 state
? "Enable" : "Disable", _mesa_lookup_enum_by_nr(cap
));
154 * Enable GL capability.
155 * \param cap state to enable/disable.
157 * Get's the current context, assures that we're outside glBegin()/glEnd() and
158 * calls client_state().
161 _mesa_EnableClientState( GLenum cap
)
163 GET_CURRENT_CONTEXT(ctx
);
164 client_state( ctx
, cap
, GL_TRUE
);
169 * Disable GL capability.
170 * \param cap state to enable/disable.
172 * Get's the current context, assures that we're outside glBegin()/glEnd() and
173 * calls client_state().
176 _mesa_DisableClientState( GLenum cap
)
178 GET_CURRENT_CONTEXT(ctx
);
179 client_state( ctx
, cap
, GL_FALSE
);
183 #undef CHECK_EXTENSION
184 #define CHECK_EXTENSION(EXTNAME, CAP) \
185 if (!ctx->Extensions.EXTNAME) { \
186 goto invalid_enum_error; \
189 #define CHECK_EXTENSION2(EXT1, EXT2, CAP) \
190 if (!ctx->Extensions.EXT1 && !ctx->Extensions.EXT2) { \
191 goto invalid_enum_error; \
195 * Return pointer to current texture unit for setting/getting coordinate
197 * Note that we'll set GL_INVALID_OPERATION and return NULL if the active
198 * texture unit is higher than the number of supported coordinate units.
200 static struct gl_texture_unit
*
201 get_texcoord_unit(struct gl_context
*ctx
)
203 if (ctx
->Texture
.CurrentUnit
>= ctx
->Const
.MaxTextureCoordUnits
) {
204 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glEnable/Disable(texcoord unit)");
208 return &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
214 * Helper function to enable or disable a texture target.
215 * \param bit one of the TEXTURE_x_BIT values
216 * \return GL_TRUE if state is changing or GL_FALSE if no change
219 enable_texture(struct gl_context
*ctx
, GLboolean state
, GLbitfield texBit
)
221 struct gl_texture_unit
*texUnit
= _mesa_get_current_tex_unit(ctx
);
222 const GLbitfield newenabled
= state
223 ? (texUnit
->Enabled
| texBit
) : (texUnit
->Enabled
& ~texBit
);
225 if (texUnit
->Enabled
== newenabled
)
228 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
229 texUnit
->Enabled
= newenabled
;
235 * Helper function to enable or disable GL_MULTISAMPLE, skipping the check for
236 * whether the API supports it (GLES doesn't).
239 _mesa_set_multisample(struct gl_context
*ctx
, GLboolean state
)
241 if (ctx
->Multisample
.Enabled
== state
)
243 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
244 ctx
->Multisample
.Enabled
= state
;
246 if (ctx
->Driver
.Enable
) {
247 ctx
->Driver
.Enable(ctx
, GL_MULTISAMPLE
, state
);
252 * Helper function to enable or disable GL_FRAMEBUFFER_SRGB, skipping the
253 * check for whether the API supports it (GLES doesn't).
256 _mesa_set_framebuffer_srgb(struct gl_context
*ctx
, GLboolean state
)
258 if (ctx
->Color
.sRGBEnabled
== state
)
260 FLUSH_VERTICES(ctx
, _NEW_BUFFERS
);
261 ctx
->Color
.sRGBEnabled
= state
;
263 if (ctx
->Driver
.Enable
) {
264 ctx
->Driver
.Enable(ctx
, GL_FRAMEBUFFER_SRGB
, state
);
269 * Helper function to enable or disable state.
271 * \param ctx GL context.
272 * \param cap the state to enable/disable
273 * \param state whether to enable or disable the specified capability.
275 * Updates the current context and flushes the vertices as needed. For
276 * capabilities associated with extensions it verifies that those extensions
277 * are effectivly present before updating. Notifies the driver via
278 * dd_function_table::Enable.
281 _mesa_set_enable(struct gl_context
*ctx
, GLenum cap
, GLboolean state
)
283 if (MESA_VERBOSE
& VERBOSE_API
)
284 _mesa_debug(ctx
, "%s %s (newstate is %x)\n",
285 state
? "glEnable" : "glDisable",
286 _mesa_lookup_enum_by_nr(cap
),
291 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
292 goto invalid_enum_error
;
293 if (ctx
->Color
.AlphaEnabled
== state
)
295 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
296 ctx
->Color
.AlphaEnabled
= state
;
299 if (ctx
->API
!= API_OPENGL_COMPAT
)
300 goto invalid_enum_error
;
301 if (ctx
->Eval
.AutoNormal
== state
)
303 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
304 ctx
->Eval
.AutoNormal
= state
;
308 GLbitfield newEnabled
=
309 state
* ((1 << ctx
->Const
.MaxDrawBuffers
) - 1);
310 if (newEnabled
!= ctx
->Color
.BlendEnabled
) {
311 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
312 ctx
->Color
.BlendEnabled
= newEnabled
;
316 case GL_CLIP_DISTANCE0
:
317 case GL_CLIP_DISTANCE1
:
318 case GL_CLIP_DISTANCE2
:
319 case GL_CLIP_DISTANCE3
:
320 case GL_CLIP_DISTANCE4
:
321 case GL_CLIP_DISTANCE5
:
322 case GL_CLIP_DISTANCE6
:
323 case GL_CLIP_DISTANCE7
:
325 const GLuint p
= cap
- GL_CLIP_DISTANCE0
;
327 if (p
>= ctx
->Const
.MaxClipPlanes
)
328 goto invalid_enum_error
;
330 if ((ctx
->Transform
.ClipPlanesEnabled
& (1 << p
))
331 == ((GLuint
) state
<< p
))
334 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
337 ctx
->Transform
.ClipPlanesEnabled
|= (1 << p
);
338 _mesa_update_clip_plane(ctx
, p
);
341 ctx
->Transform
.ClipPlanesEnabled
&= ~(1 << p
);
345 case GL_COLOR_MATERIAL
:
346 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
347 goto invalid_enum_error
;
348 if (ctx
->Light
.ColorMaterialEnabled
== state
)
350 FLUSH_VERTICES(ctx
, _NEW_LIGHT
);
351 FLUSH_CURRENT(ctx
, 0);
352 ctx
->Light
.ColorMaterialEnabled
= state
;
354 _mesa_update_color_material( ctx
,
355 ctx
->Current
.Attrib
[VERT_ATTRIB_COLOR0
] );
359 if (ctx
->Polygon
.CullFlag
== state
)
361 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
362 ctx
->Polygon
.CullFlag
= state
;
365 if (ctx
->Depth
.Test
== state
)
367 FLUSH_VERTICES(ctx
, _NEW_DEPTH
);
368 ctx
->Depth
.Test
= state
;
370 case GL_DEBUG_OUTPUT
:
371 if (!_mesa_is_desktop_gl(ctx
)) {
372 goto invalid_enum_error
;
375 struct gl_debug_state
*debug
= _mesa_get_debug_state(ctx
);
377 debug
->DebugOutput
= state
;
381 case GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB
:
382 if (!_mesa_is_desktop_gl(ctx
)) {
383 goto invalid_enum_error
;
386 struct gl_debug_state
*debug
= _mesa_get_debug_state(ctx
);
388 debug
->SyncOutput
= state
;
393 if (ctx
->Color
.DitherFlag
== state
)
395 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
396 ctx
->Color
.DitherFlag
= state
;
399 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
400 goto invalid_enum_error
;
401 if (ctx
->Fog
.Enabled
== state
)
403 FLUSH_VERTICES(ctx
, _NEW_FOG
);
404 ctx
->Fog
.Enabled
= state
;
414 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
415 goto invalid_enum_error
;
416 if (ctx
->Light
.Light
[cap
-GL_LIGHT0
].Enabled
== state
)
418 FLUSH_VERTICES(ctx
, _NEW_LIGHT
);
419 ctx
->Light
.Light
[cap
-GL_LIGHT0
].Enabled
= state
;
421 insert_at_tail(&ctx
->Light
.EnabledList
,
422 &ctx
->Light
.Light
[cap
-GL_LIGHT0
]);
425 remove_from_list(&ctx
->Light
.Light
[cap
-GL_LIGHT0
]);
429 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
430 goto invalid_enum_error
;
431 if (ctx
->Light
.Enabled
== state
)
433 FLUSH_VERTICES(ctx
, _NEW_LIGHT
);
434 ctx
->Light
.Enabled
= state
;
437 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
438 goto invalid_enum_error
;
439 if (ctx
->Line
.SmoothFlag
== state
)
441 FLUSH_VERTICES(ctx
, _NEW_LINE
);
442 ctx
->Line
.SmoothFlag
= state
;
444 case GL_LINE_STIPPLE
:
445 if (ctx
->API
!= API_OPENGL_COMPAT
)
446 goto invalid_enum_error
;
447 if (ctx
->Line
.StippleFlag
== state
)
449 FLUSH_VERTICES(ctx
, _NEW_LINE
);
450 ctx
->Line
.StippleFlag
= state
;
452 case GL_INDEX_LOGIC_OP
:
453 if (ctx
->API
!= API_OPENGL_COMPAT
)
454 goto invalid_enum_error
;
455 if (ctx
->Color
.IndexLogicOpEnabled
== state
)
457 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
458 ctx
->Color
.IndexLogicOpEnabled
= state
;
460 case GL_COLOR_LOGIC_OP
:
461 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
462 goto invalid_enum_error
;
463 if (ctx
->Color
.ColorLogicOpEnabled
== state
)
465 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
466 ctx
->Color
.ColorLogicOpEnabled
= state
;
468 case GL_MAP1_COLOR_4
:
469 if (ctx
->API
!= API_OPENGL_COMPAT
)
470 goto invalid_enum_error
;
471 if (ctx
->Eval
.Map1Color4
== state
)
473 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
474 ctx
->Eval
.Map1Color4
= state
;
477 if (ctx
->API
!= API_OPENGL_COMPAT
)
478 goto invalid_enum_error
;
479 if (ctx
->Eval
.Map1Index
== state
)
481 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
482 ctx
->Eval
.Map1Index
= state
;
485 if (ctx
->API
!= API_OPENGL_COMPAT
)
486 goto invalid_enum_error
;
487 if (ctx
->Eval
.Map1Normal
== state
)
489 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
490 ctx
->Eval
.Map1Normal
= state
;
492 case GL_MAP1_TEXTURE_COORD_1
:
493 if (ctx
->API
!= API_OPENGL_COMPAT
)
494 goto invalid_enum_error
;
495 if (ctx
->Eval
.Map1TextureCoord1
== state
)
497 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
498 ctx
->Eval
.Map1TextureCoord1
= state
;
500 case GL_MAP1_TEXTURE_COORD_2
:
501 if (ctx
->API
!= API_OPENGL_COMPAT
)
502 goto invalid_enum_error
;
503 if (ctx
->Eval
.Map1TextureCoord2
== state
)
505 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
506 ctx
->Eval
.Map1TextureCoord2
= state
;
508 case GL_MAP1_TEXTURE_COORD_3
:
509 if (ctx
->API
!= API_OPENGL_COMPAT
)
510 goto invalid_enum_error
;
511 if (ctx
->Eval
.Map1TextureCoord3
== state
)
513 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
514 ctx
->Eval
.Map1TextureCoord3
= state
;
516 case GL_MAP1_TEXTURE_COORD_4
:
517 if (ctx
->API
!= API_OPENGL_COMPAT
)
518 goto invalid_enum_error
;
519 if (ctx
->Eval
.Map1TextureCoord4
== state
)
521 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
522 ctx
->Eval
.Map1TextureCoord4
= state
;
524 case GL_MAP1_VERTEX_3
:
525 if (ctx
->API
!= API_OPENGL_COMPAT
)
526 goto invalid_enum_error
;
527 if (ctx
->Eval
.Map1Vertex3
== state
)
529 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
530 ctx
->Eval
.Map1Vertex3
= state
;
532 case GL_MAP1_VERTEX_4
:
533 if (ctx
->API
!= API_OPENGL_COMPAT
)
534 goto invalid_enum_error
;
535 if (ctx
->Eval
.Map1Vertex4
== state
)
537 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
538 ctx
->Eval
.Map1Vertex4
= state
;
540 case GL_MAP2_COLOR_4
:
541 if (ctx
->API
!= API_OPENGL_COMPAT
)
542 goto invalid_enum_error
;
543 if (ctx
->Eval
.Map2Color4
== state
)
545 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
546 ctx
->Eval
.Map2Color4
= state
;
549 if (ctx
->API
!= API_OPENGL_COMPAT
)
550 goto invalid_enum_error
;
551 if (ctx
->Eval
.Map2Index
== state
)
553 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
554 ctx
->Eval
.Map2Index
= state
;
557 if (ctx
->API
!= API_OPENGL_COMPAT
)
558 goto invalid_enum_error
;
559 if (ctx
->Eval
.Map2Normal
== state
)
561 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
562 ctx
->Eval
.Map2Normal
= state
;
564 case GL_MAP2_TEXTURE_COORD_1
:
565 if (ctx
->API
!= API_OPENGL_COMPAT
)
566 goto invalid_enum_error
;
567 if (ctx
->Eval
.Map2TextureCoord1
== state
)
569 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
570 ctx
->Eval
.Map2TextureCoord1
= state
;
572 case GL_MAP2_TEXTURE_COORD_2
:
573 if (ctx
->API
!= API_OPENGL_COMPAT
)
574 goto invalid_enum_error
;
575 if (ctx
->Eval
.Map2TextureCoord2
== state
)
577 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
578 ctx
->Eval
.Map2TextureCoord2
= state
;
580 case GL_MAP2_TEXTURE_COORD_3
:
581 if (ctx
->API
!= API_OPENGL_COMPAT
)
582 goto invalid_enum_error
;
583 if (ctx
->Eval
.Map2TextureCoord3
== state
)
585 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
586 ctx
->Eval
.Map2TextureCoord3
= state
;
588 case GL_MAP2_TEXTURE_COORD_4
:
589 if (ctx
->API
!= API_OPENGL_COMPAT
)
590 goto invalid_enum_error
;
591 if (ctx
->Eval
.Map2TextureCoord4
== state
)
593 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
594 ctx
->Eval
.Map2TextureCoord4
= state
;
596 case GL_MAP2_VERTEX_3
:
597 if (ctx
->API
!= API_OPENGL_COMPAT
)
598 goto invalid_enum_error
;
599 if (ctx
->Eval
.Map2Vertex3
== state
)
601 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
602 ctx
->Eval
.Map2Vertex3
= state
;
604 case GL_MAP2_VERTEX_4
:
605 if (ctx
->API
!= API_OPENGL_COMPAT
)
606 goto invalid_enum_error
;
607 if (ctx
->Eval
.Map2Vertex4
== state
)
609 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
610 ctx
->Eval
.Map2Vertex4
= state
;
613 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
614 goto invalid_enum_error
;
615 if (ctx
->Transform
.Normalize
== state
)
617 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
618 ctx
->Transform
.Normalize
= state
;
620 case GL_POINT_SMOOTH
:
621 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
622 goto invalid_enum_error
;
623 if (ctx
->Point
.SmoothFlag
== state
)
625 FLUSH_VERTICES(ctx
, _NEW_POINT
);
626 ctx
->Point
.SmoothFlag
= state
;
628 case GL_POLYGON_SMOOTH
:
629 if (!_mesa_is_desktop_gl(ctx
))
630 goto invalid_enum_error
;
631 if (ctx
->Polygon
.SmoothFlag
== state
)
633 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
634 ctx
->Polygon
.SmoothFlag
= state
;
636 case GL_POLYGON_STIPPLE
:
637 if (ctx
->API
!= API_OPENGL_COMPAT
)
638 goto invalid_enum_error
;
639 if (ctx
->Polygon
.StippleFlag
== state
)
641 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
642 ctx
->Polygon
.StippleFlag
= state
;
644 case GL_POLYGON_OFFSET_POINT
:
645 if (!_mesa_is_desktop_gl(ctx
))
646 goto invalid_enum_error
;
647 if (ctx
->Polygon
.OffsetPoint
== state
)
649 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
650 ctx
->Polygon
.OffsetPoint
= state
;
652 case GL_POLYGON_OFFSET_LINE
:
653 if (!_mesa_is_desktop_gl(ctx
))
654 goto invalid_enum_error
;
655 if (ctx
->Polygon
.OffsetLine
== state
)
657 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
658 ctx
->Polygon
.OffsetLine
= state
;
660 case GL_POLYGON_OFFSET_FILL
:
661 if (ctx
->Polygon
.OffsetFill
== state
)
663 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
664 ctx
->Polygon
.OffsetFill
= state
;
666 case GL_RESCALE_NORMAL_EXT
:
667 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
668 goto invalid_enum_error
;
669 if (ctx
->Transform
.RescaleNormals
== state
)
671 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
672 ctx
->Transform
.RescaleNormals
= state
;
674 case GL_SCISSOR_TEST
:
676 /* Must expand glEnable to all scissors */
677 GLbitfield newEnabled
=
678 state
* ((1 << ctx
->Const
.MaxViewports
) - 1);
679 if (newEnabled
!= ctx
->Scissor
.EnableFlags
) {
680 FLUSH_VERTICES(ctx
, _NEW_SCISSOR
);
681 ctx
->Scissor
.EnableFlags
= newEnabled
;
685 case GL_STENCIL_TEST
:
686 if (ctx
->Stencil
.Enabled
== state
)
688 FLUSH_VERTICES(ctx
, _NEW_STENCIL
);
689 ctx
->Stencil
.Enabled
= state
;
692 if (ctx
->API
!= API_OPENGL_COMPAT
)
693 goto invalid_enum_error
;
694 if (!enable_texture(ctx
, state
, TEXTURE_1D_BIT
)) {
699 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
700 goto invalid_enum_error
;
701 if (!enable_texture(ctx
, state
, TEXTURE_2D_BIT
)) {
706 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
707 goto invalid_enum_error
;
708 if (!enable_texture(ctx
, state
, TEXTURE_3D_BIT
)) {
712 case GL_TEXTURE_GEN_S
:
713 case GL_TEXTURE_GEN_T
:
714 case GL_TEXTURE_GEN_R
:
715 case GL_TEXTURE_GEN_Q
:
717 struct gl_texture_unit
*texUnit
= get_texcoord_unit(ctx
);
719 if (ctx
->API
!= API_OPENGL_COMPAT
)
720 goto invalid_enum_error
;
723 GLbitfield coordBit
= S_BIT
<< (cap
- GL_TEXTURE_GEN_S
);
724 GLbitfield newenabled
= texUnit
->TexGenEnabled
& ~coordBit
;
726 newenabled
|= coordBit
;
727 if (texUnit
->TexGenEnabled
== newenabled
)
729 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
730 texUnit
->TexGenEnabled
= newenabled
;
735 case GL_TEXTURE_GEN_STR_OES
:
736 /* disable S, T, and R at the same time */
738 struct gl_texture_unit
*texUnit
= get_texcoord_unit(ctx
);
740 if (ctx
->API
!= API_OPENGLES
)
741 goto invalid_enum_error
;
745 texUnit
->TexGenEnabled
& ~STR_BITS
;
747 newenabled
|= STR_BITS
;
748 if (texUnit
->TexGenEnabled
== newenabled
)
750 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
751 texUnit
->TexGenEnabled
= newenabled
;
756 /* client-side state */
757 case GL_VERTEX_ARRAY
:
758 case GL_NORMAL_ARRAY
:
761 case GL_TEXTURE_COORD_ARRAY
:
762 case GL_EDGE_FLAG_ARRAY
:
763 case GL_FOG_COORDINATE_ARRAY_EXT
:
764 case GL_SECONDARY_COLOR_ARRAY_EXT
:
765 case GL_POINT_SIZE_ARRAY_OES
:
766 client_state( ctx
, cap
, state
);
769 /* GL_ARB_texture_cube_map */
770 case GL_TEXTURE_CUBE_MAP_ARB
:
771 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
772 goto invalid_enum_error
;
773 CHECK_EXTENSION(ARB_texture_cube_map
, cap
);
774 if (!enable_texture(ctx
, state
, TEXTURE_CUBE_BIT
)) {
779 /* GL_EXT_secondary_color */
780 case GL_COLOR_SUM_EXT
:
781 if (ctx
->API
!= API_OPENGL_COMPAT
)
782 goto invalid_enum_error
;
783 if (ctx
->Fog
.ColorSumEnabled
== state
)
785 FLUSH_VERTICES(ctx
, _NEW_FOG
);
786 ctx
->Fog
.ColorSumEnabled
= state
;
789 /* GL_ARB_multisample */
790 case GL_MULTISAMPLE_ARB
:
791 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
792 goto invalid_enum_error
;
793 _mesa_set_multisample(ctx
, state
);
795 case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB
:
796 if (ctx
->Multisample
.SampleAlphaToCoverage
== state
)
798 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
799 ctx
->Multisample
.SampleAlphaToCoverage
= state
;
801 case GL_SAMPLE_ALPHA_TO_ONE_ARB
:
802 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
803 goto invalid_enum_error
;
804 if (ctx
->Multisample
.SampleAlphaToOne
== state
)
806 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
807 ctx
->Multisample
.SampleAlphaToOne
= state
;
809 case GL_SAMPLE_COVERAGE_ARB
:
810 if (ctx
->Multisample
.SampleCoverage
== state
)
812 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
813 ctx
->Multisample
.SampleCoverage
= state
;
815 case GL_SAMPLE_COVERAGE_INVERT_ARB
:
816 if (!_mesa_is_desktop_gl(ctx
))
817 goto invalid_enum_error
;
818 if (ctx
->Multisample
.SampleCoverageInvert
== state
)
820 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
821 ctx
->Multisample
.SampleCoverageInvert
= state
;
824 /* GL_ARB_sample_shading */
825 case GL_SAMPLE_SHADING
:
826 if (!_mesa_is_desktop_gl(ctx
))
827 goto invalid_enum_error
;
828 CHECK_EXTENSION(ARB_sample_shading
, cap
);
829 if (ctx
->Multisample
.SampleShading
== state
)
831 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
832 ctx
->Multisample
.SampleShading
= state
;
835 /* GL_IBM_rasterpos_clip */
836 case GL_RASTER_POSITION_UNCLIPPED_IBM
:
837 if (ctx
->API
!= API_OPENGL_COMPAT
)
838 goto invalid_enum_error
;
839 if (ctx
->Transform
.RasterPositionUnclipped
== state
)
841 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
842 ctx
->Transform
.RasterPositionUnclipped
= state
;
845 /* GL_NV_point_sprite */
846 case GL_POINT_SPRITE_NV
:
847 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
848 goto invalid_enum_error
;
849 CHECK_EXTENSION2(NV_point_sprite
, ARB_point_sprite
, cap
);
850 if (ctx
->Point
.PointSprite
== state
)
852 FLUSH_VERTICES(ctx
, _NEW_POINT
);
853 ctx
->Point
.PointSprite
= state
;
856 case GL_VERTEX_PROGRAM_ARB
:
857 if (ctx
->API
!= API_OPENGL_COMPAT
)
858 goto invalid_enum_error
;
859 CHECK_EXTENSION(ARB_vertex_program
, cap
);
860 if (ctx
->VertexProgram
.Enabled
== state
)
862 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
863 ctx
->VertexProgram
.Enabled
= state
;
865 case GL_VERTEX_PROGRAM_POINT_SIZE_ARB
:
866 /* This was added with ARB_vertex_program, but it is also used with
867 * GLSL vertex shaders on desktop.
869 if (!_mesa_is_desktop_gl(ctx
))
870 goto invalid_enum_error
;
871 CHECK_EXTENSION(ARB_vertex_program
, cap
);
872 if (ctx
->VertexProgram
.PointSizeEnabled
== state
)
874 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
875 ctx
->VertexProgram
.PointSizeEnabled
= state
;
877 case GL_VERTEX_PROGRAM_TWO_SIDE_ARB
:
878 if (ctx
->API
!= API_OPENGL_COMPAT
)
879 goto invalid_enum_error
;
880 CHECK_EXTENSION(ARB_vertex_program
, cap
);
881 if (ctx
->VertexProgram
.TwoSideEnabled
== state
)
883 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
884 ctx
->VertexProgram
.TwoSideEnabled
= state
;
887 /* GL_NV_texture_rectangle */
888 case GL_TEXTURE_RECTANGLE_NV
:
889 if (ctx
->API
!= API_OPENGL_COMPAT
)
890 goto invalid_enum_error
;
891 CHECK_EXTENSION(NV_texture_rectangle
, cap
);
892 if (!enable_texture(ctx
, state
, TEXTURE_RECT_BIT
)) {
897 /* GL_EXT_stencil_two_side */
898 case GL_STENCIL_TEST_TWO_SIDE_EXT
:
899 if (ctx
->API
!= API_OPENGL_COMPAT
)
900 goto invalid_enum_error
;
901 CHECK_EXTENSION(EXT_stencil_two_side
, cap
);
902 if (ctx
->Stencil
.TestTwoSide
== state
)
904 FLUSH_VERTICES(ctx
, _NEW_STENCIL
);
905 ctx
->Stencil
.TestTwoSide
= state
;
907 ctx
->Stencil
._BackFace
= 2;
909 ctx
->Stencil
._BackFace
= 1;
913 case GL_FRAGMENT_PROGRAM_ARB
:
914 if (ctx
->API
!= API_OPENGL_COMPAT
)
915 goto invalid_enum_error
;
916 CHECK_EXTENSION(ARB_fragment_program
, cap
);
917 if (ctx
->FragmentProgram
.Enabled
== state
)
919 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
920 ctx
->FragmentProgram
.Enabled
= state
;
923 /* GL_EXT_depth_bounds_test */
924 case GL_DEPTH_BOUNDS_TEST_EXT
:
925 if (!_mesa_is_desktop_gl(ctx
))
926 goto invalid_enum_error
;
927 CHECK_EXTENSION(EXT_depth_bounds_test
, cap
);
928 if (ctx
->Depth
.BoundsTest
== state
)
930 FLUSH_VERTICES(ctx
, _NEW_DEPTH
);
931 ctx
->Depth
.BoundsTest
= state
;
935 if (!_mesa_is_desktop_gl(ctx
))
936 goto invalid_enum_error
;
937 CHECK_EXTENSION(ARB_depth_clamp
, cap
);
938 if (ctx
->Transform
.DepthClamp
== state
)
940 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
941 ctx
->Transform
.DepthClamp
= state
;
944 case GL_FRAGMENT_SHADER_ATI
:
945 if (ctx
->API
!= API_OPENGL_COMPAT
)
946 goto invalid_enum_error
;
947 CHECK_EXTENSION(ATI_fragment_shader
, cap
);
948 if (ctx
->ATIFragmentShader
.Enabled
== state
)
950 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
951 ctx
->ATIFragmentShader
.Enabled
= state
;
954 case GL_TEXTURE_CUBE_MAP_SEAMLESS
:
955 if (!_mesa_is_desktop_gl(ctx
))
956 goto invalid_enum_error
;
957 CHECK_EXTENSION(ARB_seamless_cube_map
, cap
);
958 if (ctx
->Texture
.CubeMapSeamless
!= state
) {
959 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
960 ctx
->Texture
.CubeMapSeamless
= state
;
964 case GL_RASTERIZER_DISCARD
:
965 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles3(ctx
))
966 goto invalid_enum_error
;
967 CHECK_EXTENSION(EXT_transform_feedback
, cap
);
968 if (ctx
->RasterDiscard
!= state
) {
969 FLUSH_VERTICES(ctx
, 0);
970 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewRasterizerDiscard
;
971 ctx
->RasterDiscard
= state
;
975 /* GL 3.1 primitive restart. Note: this enum is different from
976 * GL_PRIMITIVE_RESTART_NV (which is client state).
978 case GL_PRIMITIVE_RESTART
:
979 if (!_mesa_is_desktop_gl(ctx
) || ctx
->Version
< 31) {
980 goto invalid_enum_error
;
982 if (ctx
->Array
.PrimitiveRestart
!= state
) {
983 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
984 ctx
->Array
.PrimitiveRestart
= state
;
985 update_derived_primitive_restart_state(ctx
);
989 case GL_PRIMITIVE_RESTART_FIXED_INDEX
:
990 if (!_mesa_is_gles3(ctx
) && !ctx
->Extensions
.ARB_ES3_compatibility
)
991 goto invalid_enum_error
;
992 if (ctx
->Array
.PrimitiveRestartFixedIndex
!= state
) {
993 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
994 ctx
->Array
.PrimitiveRestartFixedIndex
= state
;
995 update_derived_primitive_restart_state(ctx
);
999 /* GL3.0 - GL_framebuffer_sRGB */
1000 case GL_FRAMEBUFFER_SRGB_EXT
:
1001 if (!_mesa_is_desktop_gl(ctx
))
1002 goto invalid_enum_error
;
1003 CHECK_EXTENSION(EXT_framebuffer_sRGB
, cap
);
1004 _mesa_set_framebuffer_srgb(ctx
, state
);
1007 /* GL_OES_EGL_image_external */
1008 case GL_TEXTURE_EXTERNAL_OES
:
1009 if (!_mesa_is_gles(ctx
))
1010 goto invalid_enum_error
;
1011 CHECK_EXTENSION(OES_EGL_image_external
, cap
);
1012 if (!enable_texture(ctx
, state
, TEXTURE_EXTERNAL_BIT
)) {
1017 /* ARB_texture_multisample */
1018 case GL_SAMPLE_MASK
:
1019 if (!_mesa_is_desktop_gl(ctx
))
1020 goto invalid_enum_error
;
1021 CHECK_EXTENSION(ARB_texture_multisample
, cap
);
1022 if (ctx
->Multisample
.SampleMask
== state
)
1024 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
1025 ctx
->Multisample
.SampleMask
= state
;
1029 goto invalid_enum_error
;
1032 if (ctx
->Driver
.Enable
) {
1033 ctx
->Driver
.Enable( ctx
, cap
, state
);
1039 _mesa_error(ctx
, GL_INVALID_ENUM
, "gl%s(%s)",
1040 state
? "Enable" : "Disable", _mesa_lookup_enum_by_nr(cap
));
1045 * Enable GL capability. Called by glEnable()
1046 * \param cap state to enable.
1049 _mesa_Enable( GLenum cap
)
1051 GET_CURRENT_CONTEXT(ctx
);
1053 _mesa_set_enable( ctx
, cap
, GL_TRUE
);
1058 * Disable GL capability. Called by glDisable()
1059 * \param cap state to disable.
1062 _mesa_Disable( GLenum cap
)
1064 GET_CURRENT_CONTEXT(ctx
);
1066 _mesa_set_enable( ctx
, cap
, GL_FALSE
);
1072 * Enable/disable an indexed state var.
1075 _mesa_set_enablei(struct gl_context
*ctx
, GLenum cap
,
1076 GLuint index
, GLboolean state
)
1078 ASSERT(state
== 0 || state
== 1);
1081 if (!ctx
->Extensions
.EXT_draw_buffers2
) {
1082 goto invalid_enum_error
;
1084 if (index
>= ctx
->Const
.MaxDrawBuffers
) {
1085 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(index=%u)",
1086 state
? "glEnableIndexed" : "glDisableIndexed", index
);
1089 if (((ctx
->Color
.BlendEnabled
>> index
) & 1) != state
) {
1090 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
1092 ctx
->Color
.BlendEnabled
|= (1 << index
);
1094 ctx
->Color
.BlendEnabled
&= ~(1 << index
);
1097 case GL_SCISSOR_TEST
:
1098 if (index
>= ctx
->Const
.MaxViewports
) {
1099 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(index=%u)",
1100 state
? "glEnablei" : "glDisablei", index
);
1103 if (((ctx
->Scissor
.EnableFlags
>> index
) & 1) != state
) {
1104 FLUSH_VERTICES(ctx
, _NEW_SCISSOR
);
1106 ctx
->Scissor
.EnableFlags
|= (1 << index
);
1108 ctx
->Scissor
.EnableFlags
&= ~(1 << index
);
1112 goto invalid_enum_error
;
1117 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(cap=%s)",
1118 state
? "glEnablei" : "glDisablei",
1119 _mesa_lookup_enum_by_nr(cap
));
1124 _mesa_Disablei( GLenum cap
, GLuint index
)
1126 GET_CURRENT_CONTEXT(ctx
);
1127 _mesa_set_enablei(ctx
, cap
, index
, GL_FALSE
);
1132 _mesa_Enablei( GLenum cap
, GLuint index
)
1134 GET_CURRENT_CONTEXT(ctx
);
1135 _mesa_set_enablei(ctx
, cap
, index
, GL_TRUE
);
1139 GLboolean GLAPIENTRY
1140 _mesa_IsEnabledi( GLenum cap
, GLuint index
)
1142 GET_CURRENT_CONTEXT(ctx
);
1143 ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx
, 0);
1146 if (index
>= ctx
->Const
.MaxDrawBuffers
) {
1147 _mesa_error(ctx
, GL_INVALID_VALUE
, "glIsEnabledIndexed(index=%u)",
1151 return (ctx
->Color
.BlendEnabled
>> index
) & 1;
1152 case GL_SCISSOR_TEST
:
1153 if (index
>= ctx
->Const
.MaxViewports
) {
1154 _mesa_error(ctx
, GL_INVALID_VALUE
, "glIsEnabledIndexed(index=%u)",
1158 return (ctx
->Scissor
.EnableFlags
>> index
) & 1;
1160 _mesa_error(ctx
, GL_INVALID_ENUM
, "glIsEnabledIndexed(cap=%s)",
1161 _mesa_lookup_enum_by_nr(cap
));
1169 #undef CHECK_EXTENSION
1170 #define CHECK_EXTENSION(EXTNAME) \
1171 if (!ctx->Extensions.EXTNAME) { \
1172 goto invalid_enum_error; \
1175 #undef CHECK_EXTENSION2
1176 #define CHECK_EXTENSION2(EXT1, EXT2) \
1177 if (!ctx->Extensions.EXT1 && !ctx->Extensions.EXT2) { \
1178 goto invalid_enum_error; \
1183 * Helper function to determine whether a texture target is enabled.
1186 is_texture_enabled(struct gl_context
*ctx
, GLbitfield bit
)
1188 const struct gl_texture_unit
*const texUnit
=
1189 &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
1190 return (texUnit
->Enabled
& bit
) ? GL_TRUE
: GL_FALSE
;
1195 * Return simple enable/disable state.
1197 * \param cap state variable to query.
1199 * Returns the state of the specified capability from the current GL context.
1200 * For the capabilities associated with extensions verifies that those
1201 * extensions are effectively present before reporting.
1203 GLboolean GLAPIENTRY
1204 _mesa_IsEnabled( GLenum cap
)
1206 GET_CURRENT_CONTEXT(ctx
);
1207 ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx
, 0);
1211 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1212 goto invalid_enum_error
;
1213 return ctx
->Color
.AlphaEnabled
;
1214 case GL_AUTO_NORMAL
:
1215 if (ctx
->API
!= API_OPENGL_COMPAT
)
1216 goto invalid_enum_error
;
1217 return ctx
->Eval
.AutoNormal
;
1219 return ctx
->Color
.BlendEnabled
& 1; /* return state for buffer[0] */
1220 case GL_CLIP_DISTANCE0
:
1221 case GL_CLIP_DISTANCE1
:
1222 case GL_CLIP_DISTANCE2
:
1223 case GL_CLIP_DISTANCE3
:
1224 case GL_CLIP_DISTANCE4
:
1225 case GL_CLIP_DISTANCE5
:
1226 case GL_CLIP_DISTANCE6
:
1227 case GL_CLIP_DISTANCE7
: {
1228 const GLuint p
= cap
- GL_CLIP_DISTANCE0
;
1230 if (p
>= ctx
->Const
.MaxClipPlanes
)
1231 goto invalid_enum_error
;
1233 return (ctx
->Transform
.ClipPlanesEnabled
>> p
) & 1;
1235 case GL_COLOR_MATERIAL
:
1236 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1237 goto invalid_enum_error
;
1238 return ctx
->Light
.ColorMaterialEnabled
;
1240 return ctx
->Polygon
.CullFlag
;
1241 case GL_DEBUG_OUTPUT
:
1242 if (!_mesa_is_desktop_gl(ctx
))
1243 goto invalid_enum_error
;
1245 return ctx
->Debug
->DebugOutput
;
1249 case GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB
:
1250 if (!_mesa_is_desktop_gl(ctx
))
1251 goto invalid_enum_error
;
1253 return ctx
->Debug
->SyncOutput
;
1258 return ctx
->Depth
.Test
;
1260 return ctx
->Color
.DitherFlag
;
1262 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1263 goto invalid_enum_error
;
1264 return ctx
->Fog
.Enabled
;
1266 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1267 goto invalid_enum_error
;
1268 return ctx
->Light
.Enabled
;
1277 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1278 goto invalid_enum_error
;
1279 return ctx
->Light
.Light
[cap
-GL_LIGHT0
].Enabled
;
1280 case GL_LINE_SMOOTH
:
1281 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
1282 goto invalid_enum_error
;
1283 return ctx
->Line
.SmoothFlag
;
1284 case GL_LINE_STIPPLE
:
1285 if (ctx
->API
!= API_OPENGL_COMPAT
)
1286 goto invalid_enum_error
;
1287 return ctx
->Line
.StippleFlag
;
1288 case GL_INDEX_LOGIC_OP
:
1289 if (ctx
->API
!= API_OPENGL_COMPAT
)
1290 goto invalid_enum_error
;
1291 return ctx
->Color
.IndexLogicOpEnabled
;
1292 case GL_COLOR_LOGIC_OP
:
1293 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
1294 goto invalid_enum_error
;
1295 return ctx
->Color
.ColorLogicOpEnabled
;
1296 case GL_MAP1_COLOR_4
:
1297 if (ctx
->API
!= API_OPENGL_COMPAT
)
1298 goto invalid_enum_error
;
1299 return ctx
->Eval
.Map1Color4
;
1301 if (ctx
->API
!= API_OPENGL_COMPAT
)
1302 goto invalid_enum_error
;
1303 return ctx
->Eval
.Map1Index
;
1304 case GL_MAP1_NORMAL
:
1305 if (ctx
->API
!= API_OPENGL_COMPAT
)
1306 goto invalid_enum_error
;
1307 return ctx
->Eval
.Map1Normal
;
1308 case GL_MAP1_TEXTURE_COORD_1
:
1309 if (ctx
->API
!= API_OPENGL_COMPAT
)
1310 goto invalid_enum_error
;
1311 return ctx
->Eval
.Map1TextureCoord1
;
1312 case GL_MAP1_TEXTURE_COORD_2
:
1313 if (ctx
->API
!= API_OPENGL_COMPAT
)
1314 goto invalid_enum_error
;
1315 return ctx
->Eval
.Map1TextureCoord2
;
1316 case GL_MAP1_TEXTURE_COORD_3
:
1317 if (ctx
->API
!= API_OPENGL_COMPAT
)
1318 goto invalid_enum_error
;
1319 return ctx
->Eval
.Map1TextureCoord3
;
1320 case GL_MAP1_TEXTURE_COORD_4
:
1321 if (ctx
->API
!= API_OPENGL_COMPAT
)
1322 goto invalid_enum_error
;
1323 return ctx
->Eval
.Map1TextureCoord4
;
1324 case GL_MAP1_VERTEX_3
:
1325 if (ctx
->API
!= API_OPENGL_COMPAT
)
1326 goto invalid_enum_error
;
1327 return ctx
->Eval
.Map1Vertex3
;
1328 case GL_MAP1_VERTEX_4
:
1329 if (ctx
->API
!= API_OPENGL_COMPAT
)
1330 goto invalid_enum_error
;
1331 return ctx
->Eval
.Map1Vertex4
;
1332 case GL_MAP2_COLOR_4
:
1333 if (ctx
->API
!= API_OPENGL_COMPAT
)
1334 goto invalid_enum_error
;
1335 return ctx
->Eval
.Map2Color4
;
1337 if (ctx
->API
!= API_OPENGL_COMPAT
)
1338 goto invalid_enum_error
;
1339 return ctx
->Eval
.Map2Index
;
1340 case GL_MAP2_NORMAL
:
1341 if (ctx
->API
!= API_OPENGL_COMPAT
)
1342 goto invalid_enum_error
;
1343 return ctx
->Eval
.Map2Normal
;
1344 case GL_MAP2_TEXTURE_COORD_1
:
1345 if (ctx
->API
!= API_OPENGL_COMPAT
)
1346 goto invalid_enum_error
;
1347 return ctx
->Eval
.Map2TextureCoord1
;
1348 case GL_MAP2_TEXTURE_COORD_2
:
1349 if (ctx
->API
!= API_OPENGL_COMPAT
)
1350 goto invalid_enum_error
;
1351 return ctx
->Eval
.Map2TextureCoord2
;
1352 case GL_MAP2_TEXTURE_COORD_3
:
1353 if (ctx
->API
!= API_OPENGL_COMPAT
)
1354 goto invalid_enum_error
;
1355 return ctx
->Eval
.Map2TextureCoord3
;
1356 case GL_MAP2_TEXTURE_COORD_4
:
1357 if (ctx
->API
!= API_OPENGL_COMPAT
)
1358 goto invalid_enum_error
;
1359 return ctx
->Eval
.Map2TextureCoord4
;
1360 case GL_MAP2_VERTEX_3
:
1361 if (ctx
->API
!= API_OPENGL_COMPAT
)
1362 goto invalid_enum_error
;
1363 return ctx
->Eval
.Map2Vertex3
;
1364 case GL_MAP2_VERTEX_4
:
1365 if (ctx
->API
!= API_OPENGL_COMPAT
)
1366 goto invalid_enum_error
;
1367 return ctx
->Eval
.Map2Vertex4
;
1369 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1370 goto invalid_enum_error
;
1371 return ctx
->Transform
.Normalize
;
1372 case GL_POINT_SMOOTH
:
1373 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1374 goto invalid_enum_error
;
1375 return ctx
->Point
.SmoothFlag
;
1376 case GL_POLYGON_SMOOTH
:
1377 if (!_mesa_is_desktop_gl(ctx
))
1378 goto invalid_enum_error
;
1379 return ctx
->Polygon
.SmoothFlag
;
1380 case GL_POLYGON_STIPPLE
:
1381 if (ctx
->API
!= API_OPENGL_COMPAT
)
1382 goto invalid_enum_error
;
1383 return ctx
->Polygon
.StippleFlag
;
1384 case GL_POLYGON_OFFSET_POINT
:
1385 if (!_mesa_is_desktop_gl(ctx
))
1386 goto invalid_enum_error
;
1387 return ctx
->Polygon
.OffsetPoint
;
1388 case GL_POLYGON_OFFSET_LINE
:
1389 if (!_mesa_is_desktop_gl(ctx
))
1390 goto invalid_enum_error
;
1391 return ctx
->Polygon
.OffsetLine
;
1392 case GL_POLYGON_OFFSET_FILL
:
1393 return ctx
->Polygon
.OffsetFill
;
1394 case GL_RESCALE_NORMAL_EXT
:
1395 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1396 goto invalid_enum_error
;
1397 return ctx
->Transform
.RescaleNormals
;
1398 case GL_SCISSOR_TEST
:
1399 return ctx
->Scissor
.EnableFlags
& 1; /* return state for index 0 */
1400 case GL_STENCIL_TEST
:
1401 return ctx
->Stencil
.Enabled
;
1403 if (ctx
->API
!= API_OPENGL_COMPAT
)
1404 goto invalid_enum_error
;
1405 return is_texture_enabled(ctx
, TEXTURE_1D_BIT
);
1407 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1408 goto invalid_enum_error
;
1409 return is_texture_enabled(ctx
, TEXTURE_2D_BIT
);
1411 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1412 goto invalid_enum_error
;
1413 return is_texture_enabled(ctx
, TEXTURE_3D_BIT
);
1414 case GL_TEXTURE_GEN_S
:
1415 case GL_TEXTURE_GEN_T
:
1416 case GL_TEXTURE_GEN_R
:
1417 case GL_TEXTURE_GEN_Q
:
1419 const struct gl_texture_unit
*texUnit
= get_texcoord_unit(ctx
);
1421 if (ctx
->API
!= API_OPENGL_COMPAT
)
1422 goto invalid_enum_error
;
1425 GLbitfield coordBit
= S_BIT
<< (cap
- GL_TEXTURE_GEN_S
);
1426 return (texUnit
->TexGenEnabled
& coordBit
) ? GL_TRUE
: GL_FALSE
;
1430 case GL_TEXTURE_GEN_STR_OES
:
1432 const struct gl_texture_unit
*texUnit
= get_texcoord_unit(ctx
);
1434 if (ctx
->API
!= API_OPENGLES
)
1435 goto invalid_enum_error
;
1438 return (texUnit
->TexGenEnabled
& STR_BITS
) == STR_BITS
1439 ? GL_TRUE
: GL_FALSE
;
1443 /* client-side state */
1444 case GL_VERTEX_ARRAY
:
1445 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1446 goto invalid_enum_error
;
1447 return ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_POS
].Enabled
;
1448 case GL_NORMAL_ARRAY
:
1449 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1450 goto invalid_enum_error
;
1451 return ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_NORMAL
].Enabled
;
1452 case GL_COLOR_ARRAY
:
1453 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1454 goto invalid_enum_error
;
1455 return ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_COLOR0
].Enabled
;
1456 case GL_INDEX_ARRAY
:
1457 if (ctx
->API
!= API_OPENGL_COMPAT
)
1458 goto invalid_enum_error
;
1459 return ctx
->Array
.VAO
->
1460 VertexAttrib
[VERT_ATTRIB_COLOR_INDEX
].Enabled
;
1461 case GL_TEXTURE_COORD_ARRAY
:
1462 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1463 goto invalid_enum_error
;
1464 return ctx
->Array
.VAO
->
1465 VertexAttrib
[VERT_ATTRIB_TEX(ctx
->Array
.ActiveTexture
)].Enabled
;
1466 case GL_EDGE_FLAG_ARRAY
:
1467 if (ctx
->API
!= API_OPENGL_COMPAT
)
1468 goto invalid_enum_error
;
1469 return ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_EDGEFLAG
].Enabled
;
1470 case GL_FOG_COORDINATE_ARRAY_EXT
:
1471 if (ctx
->API
!= API_OPENGL_COMPAT
)
1472 goto invalid_enum_error
;
1473 return ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_FOG
].Enabled
;
1474 case GL_SECONDARY_COLOR_ARRAY_EXT
:
1475 if (ctx
->API
!= API_OPENGL_COMPAT
)
1476 goto invalid_enum_error
;
1477 return ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_COLOR1
].Enabled
;
1478 case GL_POINT_SIZE_ARRAY_OES
:
1479 if (ctx
->API
!= API_OPENGLES
)
1480 goto invalid_enum_error
;
1481 return ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_POINT_SIZE
].Enabled
;
1483 /* GL_ARB_texture_cube_map */
1484 case GL_TEXTURE_CUBE_MAP_ARB
:
1485 CHECK_EXTENSION(ARB_texture_cube_map
);
1486 return is_texture_enabled(ctx
, TEXTURE_CUBE_BIT
);
1488 /* GL_EXT_secondary_color */
1489 case GL_COLOR_SUM_EXT
:
1490 if (ctx
->API
!= API_OPENGL_COMPAT
)
1491 goto invalid_enum_error
;
1492 return ctx
->Fog
.ColorSumEnabled
;
1494 /* GL_ARB_multisample */
1495 case GL_MULTISAMPLE_ARB
:
1496 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
1497 goto invalid_enum_error
;
1498 return ctx
->Multisample
.Enabled
;
1499 case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB
:
1500 return ctx
->Multisample
.SampleAlphaToCoverage
;
1501 case GL_SAMPLE_ALPHA_TO_ONE_ARB
:
1502 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
1503 goto invalid_enum_error
;
1504 return ctx
->Multisample
.SampleAlphaToOne
;
1505 case GL_SAMPLE_COVERAGE_ARB
:
1506 return ctx
->Multisample
.SampleCoverage
;
1507 case GL_SAMPLE_COVERAGE_INVERT_ARB
:
1508 if (!_mesa_is_desktop_gl(ctx
))
1509 goto invalid_enum_error
;
1510 return ctx
->Multisample
.SampleCoverageInvert
;
1512 /* GL_IBM_rasterpos_clip */
1513 case GL_RASTER_POSITION_UNCLIPPED_IBM
:
1514 if (ctx
->API
!= API_OPENGL_COMPAT
)
1515 goto invalid_enum_error
;
1516 return ctx
->Transform
.RasterPositionUnclipped
;
1518 /* GL_NV_point_sprite */
1519 case GL_POINT_SPRITE_NV
:
1520 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1521 goto invalid_enum_error
;
1522 CHECK_EXTENSION2(NV_point_sprite
, ARB_point_sprite
)
1523 return ctx
->Point
.PointSprite
;
1525 case GL_VERTEX_PROGRAM_ARB
:
1526 if (ctx
->API
!= API_OPENGL_COMPAT
)
1527 goto invalid_enum_error
;
1528 CHECK_EXTENSION(ARB_vertex_program
);
1529 return ctx
->VertexProgram
.Enabled
;
1530 case GL_VERTEX_PROGRAM_POINT_SIZE_ARB
:
1531 /* This was added with ARB_vertex_program, but it is also used with
1532 * GLSL vertex shaders on desktop.
1534 if (!_mesa_is_desktop_gl(ctx
))
1535 goto invalid_enum_error
;
1536 CHECK_EXTENSION(ARB_vertex_program
);
1537 return ctx
->VertexProgram
.PointSizeEnabled
;
1538 case GL_VERTEX_PROGRAM_TWO_SIDE_ARB
:
1539 if (ctx
->API
!= API_OPENGL_COMPAT
)
1540 goto invalid_enum_error
;
1541 CHECK_EXTENSION(ARB_vertex_program
);
1542 return ctx
->VertexProgram
.TwoSideEnabled
;
1544 /* GL_NV_texture_rectangle */
1545 case GL_TEXTURE_RECTANGLE_NV
:
1546 if (ctx
->API
!= API_OPENGL_COMPAT
)
1547 goto invalid_enum_error
;
1548 CHECK_EXTENSION(NV_texture_rectangle
);
1549 return is_texture_enabled(ctx
, TEXTURE_RECT_BIT
);
1551 /* GL_EXT_stencil_two_side */
1552 case GL_STENCIL_TEST_TWO_SIDE_EXT
:
1553 if (ctx
->API
!= API_OPENGL_COMPAT
)
1554 goto invalid_enum_error
;
1555 CHECK_EXTENSION(EXT_stencil_two_side
);
1556 return ctx
->Stencil
.TestTwoSide
;
1558 case GL_FRAGMENT_PROGRAM_ARB
:
1559 if (ctx
->API
!= API_OPENGL_COMPAT
)
1560 goto invalid_enum_error
;
1561 return ctx
->FragmentProgram
.Enabled
;
1563 /* GL_EXT_depth_bounds_test */
1564 case GL_DEPTH_BOUNDS_TEST_EXT
:
1565 if (!_mesa_is_desktop_gl(ctx
))
1566 goto invalid_enum_error
;
1567 CHECK_EXTENSION(EXT_depth_bounds_test
);
1568 return ctx
->Depth
.BoundsTest
;
1570 /* GL_ARB_depth_clamp */
1571 case GL_DEPTH_CLAMP
:
1572 if (!_mesa_is_desktop_gl(ctx
))
1573 goto invalid_enum_error
;
1574 CHECK_EXTENSION(ARB_depth_clamp
);
1575 return ctx
->Transform
.DepthClamp
;
1577 case GL_FRAGMENT_SHADER_ATI
:
1578 if (ctx
->API
!= API_OPENGL_COMPAT
)
1579 goto invalid_enum_error
;
1580 CHECK_EXTENSION(ATI_fragment_shader
);
1581 return ctx
->ATIFragmentShader
.Enabled
;
1583 case GL_TEXTURE_CUBE_MAP_SEAMLESS
:
1584 if (!_mesa_is_desktop_gl(ctx
))
1585 goto invalid_enum_error
;
1586 CHECK_EXTENSION(ARB_seamless_cube_map
);
1587 return ctx
->Texture
.CubeMapSeamless
;
1589 case GL_RASTERIZER_DISCARD
:
1590 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles3(ctx
))
1591 goto invalid_enum_error
;
1592 CHECK_EXTENSION(EXT_transform_feedback
);
1593 return ctx
->RasterDiscard
;
1595 /* GL_NV_primitive_restart */
1596 case GL_PRIMITIVE_RESTART_NV
:
1597 if (ctx
->API
!= API_OPENGL_COMPAT
|| !ctx
->Extensions
.NV_primitive_restart
) {
1598 goto invalid_enum_error
;
1600 return ctx
->Array
.PrimitiveRestart
;
1602 /* GL 3.1 primitive restart */
1603 case GL_PRIMITIVE_RESTART
:
1604 if (!_mesa_is_desktop_gl(ctx
) || ctx
->Version
< 31) {
1605 goto invalid_enum_error
;
1607 return ctx
->Array
.PrimitiveRestart
;
1609 case GL_PRIMITIVE_RESTART_FIXED_INDEX
:
1610 if (!_mesa_is_gles3(ctx
) && !ctx
->Extensions
.ARB_ES3_compatibility
) {
1611 goto invalid_enum_error
;
1613 return ctx
->Array
.PrimitiveRestartFixedIndex
;
1615 /* GL3.0 - GL_framebuffer_sRGB */
1616 case GL_FRAMEBUFFER_SRGB_EXT
:
1617 if (!_mesa_is_desktop_gl(ctx
))
1618 goto invalid_enum_error
;
1619 CHECK_EXTENSION(EXT_framebuffer_sRGB
);
1620 return ctx
->Color
.sRGBEnabled
;
1622 /* GL_OES_EGL_image_external */
1623 case GL_TEXTURE_EXTERNAL_OES
:
1624 if (!_mesa_is_gles(ctx
))
1625 goto invalid_enum_error
;
1626 CHECK_EXTENSION(OES_EGL_image_external
);
1627 return is_texture_enabled(ctx
, TEXTURE_EXTERNAL_BIT
);
1629 /* ARB_texture_multisample */
1630 case GL_SAMPLE_MASK
:
1631 if (!_mesa_is_desktop_gl(ctx
))
1632 goto invalid_enum_error
;
1633 CHECK_EXTENSION(ARB_texture_multisample
);
1634 return ctx
->Multisample
.SampleMask
;
1636 /* ARB_sample_shading */
1637 case GL_SAMPLE_SHADING
:
1638 if (!_mesa_is_desktop_gl(ctx
))
1639 goto invalid_enum_error
;
1640 CHECK_EXTENSION(ARB_sample_shading
);
1641 return ctx
->Multisample
.SampleShading
;
1644 goto invalid_enum_error
;
1650 _mesa_error(ctx
, GL_INVALID_ENUM
, "glIsEnabled(%s)",
1651 _mesa_lookup_enum_by_nr(cap
));