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 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
25 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
26 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
35 #include "simple_list.h"
36 #include "mfeatures.h"
39 #include "api_arrayelt.h"
41 #include "drivers/common/meta.h"
45 #define CHECK_EXTENSION(EXTNAME, CAP) \
46 if (!ctx->Extensions.EXTNAME) { \
47 goto invalid_enum_error; \
52 * Helper to enable/disable client-side state.
55 client_state(struct gl_context
*ctx
, GLenum cap
, GLboolean state
)
57 struct gl_array_object
*arrayObj
= ctx
->Array
.ArrayObj
;
63 var
= &arrayObj
->VertexAttrib
[VERT_ATTRIB_POS
].Enabled
;
67 var
= &arrayObj
->VertexAttrib
[VERT_ATTRIB_NORMAL
].Enabled
;
68 flag
= VERT_BIT_NORMAL
;
71 var
= &arrayObj
->VertexAttrib
[VERT_ATTRIB_COLOR0
].Enabled
;
72 flag
= VERT_BIT_COLOR0
;
75 var
= &arrayObj
->VertexAttrib
[VERT_ATTRIB_COLOR_INDEX
].Enabled
;
76 flag
= VERT_BIT_COLOR_INDEX
;
78 case GL_TEXTURE_COORD_ARRAY
:
79 var
= &arrayObj
->VertexAttrib
[VERT_ATTRIB_TEX(ctx
->Array
.ActiveTexture
)].Enabled
;
80 flag
= VERT_BIT_TEX(ctx
->Array
.ActiveTexture
);
82 case GL_EDGE_FLAG_ARRAY
:
83 var
= &arrayObj
->VertexAttrib
[VERT_ATTRIB_EDGEFLAG
].Enabled
;
84 flag
= VERT_BIT_EDGEFLAG
;
86 case GL_FOG_COORDINATE_ARRAY_EXT
:
87 var
= &arrayObj
->VertexAttrib
[VERT_ATTRIB_FOG
].Enabled
;
90 case GL_SECONDARY_COLOR_ARRAY_EXT
:
91 var
= &arrayObj
->VertexAttrib
[VERT_ATTRIB_COLOR1
].Enabled
;
92 flag
= VERT_BIT_COLOR1
;
95 case GL_POINT_SIZE_ARRAY_OES
:
96 var
= &arrayObj
->VertexAttrib
[VERT_ATTRIB_POINT_SIZE
].Enabled
;
97 flag
= VERT_BIT_POINT_SIZE
;
100 /* GL_NV_primitive_restart */
101 case GL_PRIMITIVE_RESTART_NV
:
102 if (!ctx
->Extensions
.NV_primitive_restart
) {
103 goto invalid_enum_error
;
105 var
= &ctx
->Array
.PrimitiveRestart
;
110 goto invalid_enum_error
;
116 FLUSH_VERTICES(ctx
, _NEW_ARRAY
);
118 _ae_invalidate_state(ctx
, _NEW_ARRAY
);
123 arrayObj
->_Enabled
|= flag
;
125 arrayObj
->_Enabled
&= ~flag
;
127 arrayObj
->NewArrays
|= flag
;
129 if (ctx
->Driver
.Enable
) {
130 ctx
->Driver
.Enable( ctx
, cap
, state
);
136 _mesa_error(ctx
, GL_INVALID_ENUM
, "gl%sClientState(%s)",
137 state
? "Enable" : "Disable", _mesa_lookup_enum_by_nr(cap
));
142 * Enable GL capability.
143 * \param cap state to enable/disable.
145 * Get's the current context, assures that we're outside glBegin()/glEnd() and
146 * calls client_state().
149 _mesa_EnableClientState( GLenum cap
)
151 GET_CURRENT_CONTEXT(ctx
);
152 ASSERT_OUTSIDE_BEGIN_END(ctx
);
153 client_state( ctx
, cap
, GL_TRUE
);
158 * Disable GL capability.
159 * \param cap state to enable/disable.
161 * Get's the current context, assures that we're outside glBegin()/glEnd() and
162 * calls client_state().
165 _mesa_DisableClientState( GLenum cap
)
167 GET_CURRENT_CONTEXT(ctx
);
168 ASSERT_OUTSIDE_BEGIN_END(ctx
);
169 client_state( ctx
, cap
, GL_FALSE
);
173 #undef CHECK_EXTENSION
174 #define CHECK_EXTENSION(EXTNAME, CAP) \
175 if (!ctx->Extensions.EXTNAME) { \
176 goto invalid_enum_error; \
179 #define CHECK_EXTENSION2(EXT1, EXT2, CAP) \
180 if (!ctx->Extensions.EXT1 && !ctx->Extensions.EXT2) { \
181 goto invalid_enum_error; \
185 * Return pointer to current texture unit for setting/getting coordinate
187 * Note that we'll set GL_INVALID_OPERATION and return NULL if the active
188 * texture unit is higher than the number of supported coordinate units.
190 static struct gl_texture_unit
*
191 get_texcoord_unit(struct gl_context
*ctx
)
193 if (ctx
->Texture
.CurrentUnit
>= ctx
->Const
.MaxTextureCoordUnits
) {
194 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glEnable/Disable(texcoord unit)");
198 return &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
204 * Helper function to enable or disable a texture target.
205 * \param bit one of the TEXTURE_x_BIT values
206 * \return GL_TRUE if state is changing or GL_FALSE if no change
209 enable_texture(struct gl_context
*ctx
, GLboolean state
, GLbitfield texBit
)
211 struct gl_texture_unit
*texUnit
= _mesa_get_current_tex_unit(ctx
);
212 const GLbitfield newenabled
= state
213 ? (texUnit
->Enabled
| texBit
) : (texUnit
->Enabled
& ~texBit
);
215 if (texUnit
->Enabled
== newenabled
)
218 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
219 texUnit
->Enabled
= newenabled
;
225 * Helper function to enable or disable GL_MULTISAMPLE, skipping the check for
226 * whether the API supports it (GLES doesn't).
229 _mesa_set_multisample(struct gl_context
*ctx
, GLboolean state
)
231 if (ctx
->Multisample
.Enabled
== state
)
233 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
234 ctx
->Multisample
.Enabled
= state
;
236 if (ctx
->Driver
.Enable
) {
237 ctx
->Driver
.Enable(ctx
, GL_MULTISAMPLE
, state
);
242 * Helper function to enable or disable GL_FRAMEBUFFER_SRGB, skipping the
243 * check for whether the API supports it (GLES doesn't).
246 _mesa_set_framebuffer_srgb(struct gl_context
*ctx
, GLboolean state
)
248 if (ctx
->Color
.sRGBEnabled
== state
)
250 FLUSH_VERTICES(ctx
, _NEW_BUFFERS
);
251 ctx
->Color
.sRGBEnabled
= state
;
253 if (ctx
->Driver
.Enable
) {
254 ctx
->Driver
.Enable(ctx
, GL_FRAMEBUFFER_SRGB
, state
);
259 * Helper function to enable or disable state.
261 * \param ctx GL context.
262 * \param cap the state to enable/disable
263 * \param state whether to enable or disable the specified capability.
265 * Updates the current context and flushes the vertices as needed. For
266 * capabilities associated with extensions it verifies that those extensions
267 * are effectivly present before updating. Notifies the driver via
268 * dd_function_table::Enable.
271 _mesa_set_enable(struct gl_context
*ctx
, GLenum cap
, GLboolean state
)
273 if (MESA_VERBOSE
& VERBOSE_API
)
274 _mesa_debug(ctx
, "%s %s (newstate is %x)\n",
275 state
? "glEnable" : "glDisable",
276 _mesa_lookup_enum_by_nr(cap
),
281 if (ctx
->API
!= API_OPENGL
&& ctx
->API
!= API_OPENGLES
)
282 goto invalid_enum_error
;
283 if (ctx
->Color
.AlphaEnabled
== state
)
285 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
286 ctx
->Color
.AlphaEnabled
= state
;
289 if (ctx
->API
!= API_OPENGL
)
290 goto invalid_enum_error
;
291 if (ctx
->Eval
.AutoNormal
== state
)
293 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
294 ctx
->Eval
.AutoNormal
= state
;
298 GLbitfield newEnabled
=
299 state
* ((1 << ctx
->Const
.MaxDrawBuffers
) - 1);
300 if (newEnabled
!= ctx
->Color
.BlendEnabled
) {
301 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
302 ctx
->Color
.BlendEnabled
= newEnabled
;
306 case GL_CLIP_DISTANCE0
:
307 case GL_CLIP_DISTANCE1
:
308 case GL_CLIP_DISTANCE2
:
309 case GL_CLIP_DISTANCE3
:
310 case GL_CLIP_DISTANCE4
:
311 case GL_CLIP_DISTANCE5
:
312 case GL_CLIP_DISTANCE6
:
313 case GL_CLIP_DISTANCE7
:
315 const GLuint p
= cap
- GL_CLIP_DISTANCE0
;
317 if (p
>= ctx
->Const
.MaxClipPlanes
)
318 goto invalid_enum_error
;
320 if ((ctx
->Transform
.ClipPlanesEnabled
& (1 << p
))
321 == ((GLuint
) state
<< p
))
324 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
327 ctx
->Transform
.ClipPlanesEnabled
|= (1 << p
);
328 _mesa_update_clip_plane(ctx
, p
);
331 ctx
->Transform
.ClipPlanesEnabled
&= ~(1 << p
);
335 case GL_COLOR_MATERIAL
:
336 if (ctx
->API
!= API_OPENGL
&& ctx
->API
!= API_OPENGLES
)
337 goto invalid_enum_error
;
338 if (ctx
->Light
.ColorMaterialEnabled
== state
)
340 FLUSH_VERTICES(ctx
, _NEW_LIGHT
);
341 FLUSH_CURRENT(ctx
, 0);
342 ctx
->Light
.ColorMaterialEnabled
= state
;
344 _mesa_update_color_material( ctx
,
345 ctx
->Current
.Attrib
[VERT_ATTRIB_COLOR0
] );
349 if (ctx
->Polygon
.CullFlag
== state
)
351 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
352 ctx
->Polygon
.CullFlag
= state
;
355 if (ctx
->Depth
.Test
== state
)
357 FLUSH_VERTICES(ctx
, _NEW_DEPTH
);
358 ctx
->Depth
.Test
= state
;
360 case GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB
:
361 if (!_mesa_is_desktop_gl(ctx
))
362 goto invalid_enum_error
;
363 ctx
->Debug
.SyncOutput
= state
;
366 if (ctx
->Color
.DitherFlag
== state
)
368 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
369 ctx
->Color
.DitherFlag
= state
;
372 if (ctx
->API
!= API_OPENGL
&& ctx
->API
!= API_OPENGLES
)
373 goto invalid_enum_error
;
374 if (ctx
->Fog
.Enabled
== state
)
376 FLUSH_VERTICES(ctx
, _NEW_FOG
);
377 ctx
->Fog
.Enabled
= state
;
387 if (ctx
->API
!= API_OPENGL
&& ctx
->API
!= API_OPENGLES
)
388 goto invalid_enum_error
;
389 if (ctx
->Light
.Light
[cap
-GL_LIGHT0
].Enabled
== state
)
391 FLUSH_VERTICES(ctx
, _NEW_LIGHT
);
392 ctx
->Light
.Light
[cap
-GL_LIGHT0
].Enabled
= state
;
394 insert_at_tail(&ctx
->Light
.EnabledList
,
395 &ctx
->Light
.Light
[cap
-GL_LIGHT0
]);
398 remove_from_list(&ctx
->Light
.Light
[cap
-GL_LIGHT0
]);
402 if (ctx
->API
!= API_OPENGL
&& ctx
->API
!= API_OPENGLES
)
403 goto invalid_enum_error
;
404 if (ctx
->Light
.Enabled
== state
)
406 FLUSH_VERTICES(ctx
, _NEW_LIGHT
);
407 ctx
->Light
.Enabled
= state
;
408 if (ctx
->Light
.Enabled
&& ctx
->Light
.Model
.TwoSide
)
409 ctx
->_TriangleCaps
|= DD_TRI_LIGHT_TWOSIDE
;
411 ctx
->_TriangleCaps
&= ~DD_TRI_LIGHT_TWOSIDE
;
414 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
415 goto invalid_enum_error
;
416 if (ctx
->Line
.SmoothFlag
== state
)
418 FLUSH_VERTICES(ctx
, _NEW_LINE
);
419 ctx
->Line
.SmoothFlag
= state
;
420 ctx
->_TriangleCaps
^= DD_LINE_SMOOTH
;
422 case GL_LINE_STIPPLE
:
423 if (ctx
->API
!= API_OPENGL
)
424 goto invalid_enum_error
;
425 if (ctx
->Line
.StippleFlag
== state
)
427 FLUSH_VERTICES(ctx
, _NEW_LINE
);
428 ctx
->Line
.StippleFlag
= state
;
429 ctx
->_TriangleCaps
^= DD_LINE_STIPPLE
;
431 case GL_INDEX_LOGIC_OP
:
432 if (ctx
->API
!= API_OPENGL
)
433 goto invalid_enum_error
;
434 if (ctx
->Color
.IndexLogicOpEnabled
== state
)
436 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
437 ctx
->Color
.IndexLogicOpEnabled
= state
;
439 case GL_COLOR_LOGIC_OP
:
440 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
441 goto invalid_enum_error
;
442 if (ctx
->Color
.ColorLogicOpEnabled
== state
)
444 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
445 ctx
->Color
.ColorLogicOpEnabled
= state
;
447 case GL_MAP1_COLOR_4
:
448 if (ctx
->API
!= API_OPENGL
)
449 goto invalid_enum_error
;
450 if (ctx
->Eval
.Map1Color4
== state
)
452 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
453 ctx
->Eval
.Map1Color4
= state
;
456 if (ctx
->API
!= API_OPENGL
)
457 goto invalid_enum_error
;
458 if (ctx
->Eval
.Map1Index
== state
)
460 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
461 ctx
->Eval
.Map1Index
= state
;
464 if (ctx
->API
!= API_OPENGL
)
465 goto invalid_enum_error
;
466 if (ctx
->Eval
.Map1Normal
== state
)
468 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
469 ctx
->Eval
.Map1Normal
= state
;
471 case GL_MAP1_TEXTURE_COORD_1
:
472 if (ctx
->API
!= API_OPENGL
)
473 goto invalid_enum_error
;
474 if (ctx
->Eval
.Map1TextureCoord1
== state
)
476 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
477 ctx
->Eval
.Map1TextureCoord1
= state
;
479 case GL_MAP1_TEXTURE_COORD_2
:
480 if (ctx
->API
!= API_OPENGL
)
481 goto invalid_enum_error
;
482 if (ctx
->Eval
.Map1TextureCoord2
== state
)
484 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
485 ctx
->Eval
.Map1TextureCoord2
= state
;
487 case GL_MAP1_TEXTURE_COORD_3
:
488 if (ctx
->API
!= API_OPENGL
)
489 goto invalid_enum_error
;
490 if (ctx
->Eval
.Map1TextureCoord3
== state
)
492 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
493 ctx
->Eval
.Map1TextureCoord3
= state
;
495 case GL_MAP1_TEXTURE_COORD_4
:
496 if (ctx
->API
!= API_OPENGL
)
497 goto invalid_enum_error
;
498 if (ctx
->Eval
.Map1TextureCoord4
== state
)
500 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
501 ctx
->Eval
.Map1TextureCoord4
= state
;
503 case GL_MAP1_VERTEX_3
:
504 if (ctx
->API
!= API_OPENGL
)
505 goto invalid_enum_error
;
506 if (ctx
->Eval
.Map1Vertex3
== state
)
508 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
509 ctx
->Eval
.Map1Vertex3
= state
;
511 case GL_MAP1_VERTEX_4
:
512 if (ctx
->API
!= API_OPENGL
)
513 goto invalid_enum_error
;
514 if (ctx
->Eval
.Map1Vertex4
== state
)
516 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
517 ctx
->Eval
.Map1Vertex4
= state
;
519 case GL_MAP2_COLOR_4
:
520 if (ctx
->API
!= API_OPENGL
)
521 goto invalid_enum_error
;
522 if (ctx
->Eval
.Map2Color4
== state
)
524 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
525 ctx
->Eval
.Map2Color4
= state
;
528 if (ctx
->API
!= API_OPENGL
)
529 goto invalid_enum_error
;
530 if (ctx
->Eval
.Map2Index
== state
)
532 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
533 ctx
->Eval
.Map2Index
= state
;
536 if (ctx
->API
!= API_OPENGL
)
537 goto invalid_enum_error
;
538 if (ctx
->Eval
.Map2Normal
== state
)
540 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
541 ctx
->Eval
.Map2Normal
= state
;
543 case GL_MAP2_TEXTURE_COORD_1
:
544 if (ctx
->API
!= API_OPENGL
)
545 goto invalid_enum_error
;
546 if (ctx
->Eval
.Map2TextureCoord1
== state
)
548 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
549 ctx
->Eval
.Map2TextureCoord1
= state
;
551 case GL_MAP2_TEXTURE_COORD_2
:
552 if (ctx
->API
!= API_OPENGL
)
553 goto invalid_enum_error
;
554 if (ctx
->Eval
.Map2TextureCoord2
== state
)
556 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
557 ctx
->Eval
.Map2TextureCoord2
= state
;
559 case GL_MAP2_TEXTURE_COORD_3
:
560 if (ctx
->API
!= API_OPENGL
)
561 goto invalid_enum_error
;
562 if (ctx
->Eval
.Map2TextureCoord3
== state
)
564 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
565 ctx
->Eval
.Map2TextureCoord3
= state
;
567 case GL_MAP2_TEXTURE_COORD_4
:
568 if (ctx
->API
!= API_OPENGL
)
569 goto invalid_enum_error
;
570 if (ctx
->Eval
.Map2TextureCoord4
== state
)
572 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
573 ctx
->Eval
.Map2TextureCoord4
= state
;
575 case GL_MAP2_VERTEX_3
:
576 if (ctx
->API
!= API_OPENGL
)
577 goto invalid_enum_error
;
578 if (ctx
->Eval
.Map2Vertex3
== state
)
580 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
581 ctx
->Eval
.Map2Vertex3
= state
;
583 case GL_MAP2_VERTEX_4
:
584 if (ctx
->API
!= API_OPENGL
)
585 goto invalid_enum_error
;
586 if (ctx
->Eval
.Map2Vertex4
== state
)
588 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
589 ctx
->Eval
.Map2Vertex4
= state
;
592 if (ctx
->API
!= API_OPENGL
&& ctx
->API
!= API_OPENGLES
)
593 goto invalid_enum_error
;
594 if (ctx
->Transform
.Normalize
== state
)
596 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
597 ctx
->Transform
.Normalize
= state
;
599 case GL_POINT_SMOOTH
:
600 if (ctx
->API
!= API_OPENGL
&& ctx
->API
!= API_OPENGLES
)
601 goto invalid_enum_error
;
602 if (ctx
->Point
.SmoothFlag
== state
)
604 FLUSH_VERTICES(ctx
, _NEW_POINT
);
605 ctx
->Point
.SmoothFlag
= state
;
606 ctx
->_TriangleCaps
^= DD_POINT_SMOOTH
;
608 case GL_POLYGON_SMOOTH
:
609 if (!_mesa_is_desktop_gl(ctx
))
610 goto invalid_enum_error
;
611 if (ctx
->Polygon
.SmoothFlag
== state
)
613 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
614 ctx
->Polygon
.SmoothFlag
= state
;
615 ctx
->_TriangleCaps
^= DD_TRI_SMOOTH
;
617 case GL_POLYGON_STIPPLE
:
618 if (ctx
->API
!= API_OPENGL
)
619 goto invalid_enum_error
;
620 if (ctx
->Polygon
.StippleFlag
== state
)
622 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
623 ctx
->Polygon
.StippleFlag
= state
;
624 ctx
->_TriangleCaps
^= DD_TRI_STIPPLE
;
626 case GL_POLYGON_OFFSET_POINT
:
627 if (!_mesa_is_desktop_gl(ctx
))
628 goto invalid_enum_error
;
629 if (ctx
->Polygon
.OffsetPoint
== state
)
631 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
632 ctx
->Polygon
.OffsetPoint
= state
;
634 case GL_POLYGON_OFFSET_LINE
:
635 if (!_mesa_is_desktop_gl(ctx
))
636 goto invalid_enum_error
;
637 if (ctx
->Polygon
.OffsetLine
== state
)
639 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
640 ctx
->Polygon
.OffsetLine
= state
;
642 case GL_POLYGON_OFFSET_FILL
:
643 if (ctx
->Polygon
.OffsetFill
== state
)
645 FLUSH_VERTICES(ctx
, _NEW_POLYGON
);
646 ctx
->Polygon
.OffsetFill
= state
;
648 case GL_RESCALE_NORMAL_EXT
:
649 if (ctx
->API
!= API_OPENGL
&& ctx
->API
!= API_OPENGLES
)
650 goto invalid_enum_error
;
651 if (ctx
->Transform
.RescaleNormals
== state
)
653 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
654 ctx
->Transform
.RescaleNormals
= state
;
656 case GL_SCISSOR_TEST
:
657 if (ctx
->Scissor
.Enabled
== state
)
659 FLUSH_VERTICES(ctx
, _NEW_SCISSOR
);
660 ctx
->Scissor
.Enabled
= state
;
662 case GL_STENCIL_TEST
:
663 if (ctx
->Stencil
.Enabled
== state
)
665 FLUSH_VERTICES(ctx
, _NEW_STENCIL
);
666 ctx
->Stencil
.Enabled
= state
;
669 if (ctx
->API
!= API_OPENGL
)
670 goto invalid_enum_error
;
671 if (!enable_texture(ctx
, state
, TEXTURE_1D_BIT
)) {
676 if (ctx
->API
!= API_OPENGL
&& ctx
->API
!= API_OPENGLES
)
677 goto invalid_enum_error
;
678 if (!enable_texture(ctx
, state
, TEXTURE_2D_BIT
)) {
683 if (ctx
->API
!= API_OPENGL
&& ctx
->API
!= API_OPENGLES
)
684 goto invalid_enum_error
;
685 if (!enable_texture(ctx
, state
, TEXTURE_3D_BIT
)) {
689 case GL_TEXTURE_GEN_S
:
690 case GL_TEXTURE_GEN_T
:
691 case GL_TEXTURE_GEN_R
:
692 case GL_TEXTURE_GEN_Q
:
694 struct gl_texture_unit
*texUnit
= get_texcoord_unit(ctx
);
696 if (ctx
->API
!= API_OPENGL
)
697 goto invalid_enum_error
;
700 GLbitfield coordBit
= S_BIT
<< (cap
- GL_TEXTURE_GEN_S
);
701 GLbitfield newenabled
= texUnit
->TexGenEnabled
& ~coordBit
;
703 newenabled
|= coordBit
;
704 if (texUnit
->TexGenEnabled
== newenabled
)
706 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
707 texUnit
->TexGenEnabled
= newenabled
;
712 case GL_TEXTURE_GEN_STR_OES
:
713 /* disable S, T, and R at the same time */
715 struct gl_texture_unit
*texUnit
= get_texcoord_unit(ctx
);
717 if (ctx
->API
!= API_OPENGLES
)
718 goto invalid_enum_error
;
722 texUnit
->TexGenEnabled
& ~STR_BITS
;
724 newenabled
|= STR_BITS
;
725 if (texUnit
->TexGenEnabled
== newenabled
)
727 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
728 texUnit
->TexGenEnabled
= newenabled
;
733 /* client-side state */
734 case GL_VERTEX_ARRAY
:
735 case GL_NORMAL_ARRAY
:
738 case GL_TEXTURE_COORD_ARRAY
:
739 case GL_EDGE_FLAG_ARRAY
:
740 case GL_FOG_COORDINATE_ARRAY_EXT
:
741 case GL_SECONDARY_COLOR_ARRAY_EXT
:
742 case GL_POINT_SIZE_ARRAY_OES
:
743 client_state( ctx
, cap
, state
);
746 /* GL_ARB_texture_cube_map */
747 case GL_TEXTURE_CUBE_MAP_ARB
:
748 if (ctx
->API
!= API_OPENGL
&& ctx
->API
!= API_OPENGLES
)
749 goto invalid_enum_error
;
750 CHECK_EXTENSION(ARB_texture_cube_map
, cap
);
751 if (!enable_texture(ctx
, state
, TEXTURE_CUBE_BIT
)) {
756 /* GL_EXT_secondary_color */
757 case GL_COLOR_SUM_EXT
:
758 if (ctx
->API
!= API_OPENGL
)
759 goto invalid_enum_error
;
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 (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
770 goto invalid_enum_error
;
771 _mesa_set_multisample(ctx
, state
);
773 case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB
:
774 if (ctx
->Multisample
.SampleAlphaToCoverage
== state
)
776 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
777 ctx
->Multisample
.SampleAlphaToCoverage
= state
;
779 case GL_SAMPLE_ALPHA_TO_ONE_ARB
:
780 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
781 goto invalid_enum_error
;
782 if (ctx
->Multisample
.SampleAlphaToOne
== state
)
784 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
785 ctx
->Multisample
.SampleAlphaToOne
= state
;
787 case GL_SAMPLE_COVERAGE_ARB
:
788 if (ctx
->Multisample
.SampleCoverage
== state
)
790 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
791 ctx
->Multisample
.SampleCoverage
= state
;
793 case GL_SAMPLE_COVERAGE_INVERT_ARB
:
794 if (!_mesa_is_desktop_gl(ctx
))
795 goto invalid_enum_error
;
796 if (ctx
->Multisample
.SampleCoverageInvert
== state
)
798 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
799 ctx
->Multisample
.SampleCoverageInvert
= state
;
802 /* GL_IBM_rasterpos_clip */
803 case GL_RASTER_POSITION_UNCLIPPED_IBM
:
804 if (ctx
->API
!= API_OPENGL
)
805 goto invalid_enum_error
;
806 if (ctx
->Transform
.RasterPositionUnclipped
== state
)
808 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
809 ctx
->Transform
.RasterPositionUnclipped
= state
;
812 /* GL_NV_point_sprite */
813 case GL_POINT_SPRITE_NV
:
814 if (ctx
->API
!= API_OPENGL
&& ctx
->API
!= API_OPENGLES
)
815 goto invalid_enum_error
;
816 CHECK_EXTENSION2(NV_point_sprite
, ARB_point_sprite
, cap
);
817 if (ctx
->Point
.PointSprite
== state
)
819 FLUSH_VERTICES(ctx
, _NEW_POINT
);
820 ctx
->Point
.PointSprite
= state
;
823 case GL_VERTEX_PROGRAM_ARB
:
824 if (ctx
->API
!= API_OPENGL
)
825 goto invalid_enum_error
;
826 CHECK_EXTENSION(ARB_vertex_program
, cap
);
827 if (ctx
->VertexProgram
.Enabled
== state
)
829 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
830 ctx
->VertexProgram
.Enabled
= state
;
832 case GL_VERTEX_PROGRAM_POINT_SIZE_ARB
:
833 /* This was added with ARB_vertex_program, but it is also used with
834 * GLSL vertex shaders on desktop.
836 if (!_mesa_is_desktop_gl(ctx
))
837 goto invalid_enum_error
;
838 CHECK_EXTENSION(ARB_vertex_program
, cap
);
839 if (ctx
->VertexProgram
.PointSizeEnabled
== state
)
841 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
842 ctx
->VertexProgram
.PointSizeEnabled
= state
;
844 case GL_VERTEX_PROGRAM_TWO_SIDE_ARB
:
845 if (ctx
->API
!= API_OPENGL
)
846 goto invalid_enum_error
;
847 CHECK_EXTENSION(ARB_vertex_program
, cap
);
848 if (ctx
->VertexProgram
.TwoSideEnabled
== state
)
850 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
851 ctx
->VertexProgram
.TwoSideEnabled
= state
;
854 /* GL_NV_texture_rectangle */
855 case GL_TEXTURE_RECTANGLE_NV
:
856 if (ctx
->API
!= API_OPENGL
)
857 goto invalid_enum_error
;
858 CHECK_EXTENSION(NV_texture_rectangle
, cap
);
859 if (!enable_texture(ctx
, state
, TEXTURE_RECT_BIT
)) {
864 /* GL_EXT_stencil_two_side */
865 case GL_STENCIL_TEST_TWO_SIDE_EXT
:
866 if (ctx
->API
!= API_OPENGL
)
867 goto invalid_enum_error
;
868 CHECK_EXTENSION(EXT_stencil_two_side
, cap
);
869 if (ctx
->Stencil
.TestTwoSide
== state
)
871 FLUSH_VERTICES(ctx
, _NEW_STENCIL
);
872 ctx
->Stencil
.TestTwoSide
= state
;
874 ctx
->Stencil
._BackFace
= 2;
876 ctx
->Stencil
._BackFace
= 1;
880 case GL_FRAGMENT_PROGRAM_ARB
:
881 if (ctx
->API
!= API_OPENGL
)
882 goto invalid_enum_error
;
883 CHECK_EXTENSION(ARB_fragment_program
, cap
);
884 if (ctx
->FragmentProgram
.Enabled
== state
)
886 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
887 ctx
->FragmentProgram
.Enabled
= state
;
890 /* GL_EXT_depth_bounds_test */
891 case GL_DEPTH_BOUNDS_TEST_EXT
:
892 if (!_mesa_is_desktop_gl(ctx
))
893 goto invalid_enum_error
;
894 CHECK_EXTENSION(EXT_depth_bounds_test
, cap
);
895 if (ctx
->Depth
.BoundsTest
== state
)
897 FLUSH_VERTICES(ctx
, _NEW_DEPTH
);
898 ctx
->Depth
.BoundsTest
= state
;
902 if (!_mesa_is_desktop_gl(ctx
))
903 goto invalid_enum_error
;
904 CHECK_EXTENSION(ARB_depth_clamp
, cap
);
905 if (ctx
->Transform
.DepthClamp
== state
)
907 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
908 ctx
->Transform
.DepthClamp
= state
;
911 case GL_FRAGMENT_SHADER_ATI
:
912 if (ctx
->API
!= API_OPENGL
)
913 goto invalid_enum_error
;
914 CHECK_EXTENSION(ATI_fragment_shader
, cap
);
915 if (ctx
->ATIFragmentShader
.Enabled
== state
)
917 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
918 ctx
->ATIFragmentShader
.Enabled
= state
;
921 /* GL_MESA_texture_array */
922 case GL_TEXTURE_1D_ARRAY_EXT
:
923 if (ctx
->API
!= API_OPENGL
)
924 goto invalid_enum_error
;
925 CHECK_EXTENSION(MESA_texture_array
, cap
);
926 if (!enable_texture(ctx
, state
, TEXTURE_1D_ARRAY_BIT
)) {
931 case GL_TEXTURE_2D_ARRAY_EXT
:
932 if (ctx
->API
!= API_OPENGL
)
933 goto invalid_enum_error
;
934 CHECK_EXTENSION(MESA_texture_array
, cap
);
935 if (!enable_texture(ctx
, state
, TEXTURE_2D_ARRAY_BIT
)) {
940 case GL_TEXTURE_CUBE_MAP_SEAMLESS
:
941 if (!_mesa_is_desktop_gl(ctx
))
942 goto invalid_enum_error
;
943 CHECK_EXTENSION(ARB_seamless_cube_map
, cap
);
944 if (ctx
->Texture
.CubeMapSeamless
!= state
) {
945 FLUSH_VERTICES(ctx
, _NEW_TEXTURE
);
946 ctx
->Texture
.CubeMapSeamless
= state
;
950 case GL_RASTERIZER_DISCARD
:
951 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles3(ctx
))
952 goto invalid_enum_error
;
953 CHECK_EXTENSION(EXT_transform_feedback
, cap
);
954 if (ctx
->RasterDiscard
!= state
) {
955 FLUSH_VERTICES(ctx
, _NEW_RASTERIZER_DISCARD
);
956 ctx
->RasterDiscard
= state
;
960 /* GL 3.1 primitive restart. Note: this enum is different from
961 * GL_PRIMITIVE_RESTART_NV (which is client state).
963 case GL_PRIMITIVE_RESTART
:
964 if (!_mesa_is_desktop_gl(ctx
) || ctx
->Version
< 31) {
965 goto invalid_enum_error
;
967 if (ctx
->Array
.PrimitiveRestart
!= state
) {
968 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
969 ctx
->Array
.PrimitiveRestart
= state
;
973 /* GL3.0 - GL_framebuffer_sRGB */
974 case GL_FRAMEBUFFER_SRGB_EXT
:
975 if (!_mesa_is_desktop_gl(ctx
))
976 goto invalid_enum_error
;
977 CHECK_EXTENSION(EXT_framebuffer_sRGB
, cap
);
978 _mesa_set_framebuffer_srgb(ctx
, state
);
981 /* GL_OES_EGL_image_external */
982 case GL_TEXTURE_EXTERNAL_OES
:
983 if (!_mesa_is_gles(ctx
))
984 goto invalid_enum_error
;
985 CHECK_EXTENSION(OES_EGL_image_external
, cap
);
986 if (!enable_texture(ctx
, state
, TEXTURE_EXTERNAL_BIT
)) {
992 goto invalid_enum_error
;
995 if (ctx
->Driver
.Enable
) {
996 ctx
->Driver
.Enable( ctx
, cap
, state
);
1002 _mesa_error(ctx
, GL_INVALID_ENUM
, "gl%s(%s)",
1003 state
? "Enable" : "Disable", _mesa_lookup_enum_by_nr(cap
));
1008 * Enable GL capability. Called by glEnable()
1009 * \param cap state to enable.
1012 _mesa_Enable( GLenum cap
)
1014 GET_CURRENT_CONTEXT(ctx
);
1015 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1017 _mesa_set_enable( ctx
, cap
, GL_TRUE
);
1022 * Disable GL capability. Called by glDisable()
1023 * \param cap state to disable.
1026 _mesa_Disable( GLenum cap
)
1028 GET_CURRENT_CONTEXT(ctx
);
1029 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1031 _mesa_set_enable( ctx
, cap
, GL_FALSE
);
1037 * Enable/disable an indexed state var.
1040 _mesa_set_enablei(struct gl_context
*ctx
, GLenum cap
,
1041 GLuint index
, GLboolean state
)
1043 ASSERT(state
== 0 || state
== 1);
1046 if (!ctx
->Extensions
.EXT_draw_buffers2
) {
1047 goto invalid_enum_error
;
1049 if (index
>= ctx
->Const
.MaxDrawBuffers
) {
1050 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(index=%u)",
1051 state
? "glEnableIndexed" : "glDisableIndexed", index
);
1054 if (((ctx
->Color
.BlendEnabled
>> index
) & 1) != state
) {
1055 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
1057 ctx
->Color
.BlendEnabled
|= (1 << index
);
1059 ctx
->Color
.BlendEnabled
&= ~(1 << index
);
1063 goto invalid_enum_error
;
1068 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(cap=%s)",
1069 state
? "glEnablei" : "glDisablei",
1070 _mesa_lookup_enum_by_nr(cap
));
1075 _mesa_Disablei( GLenum cap
, GLuint index
)
1077 GET_CURRENT_CONTEXT(ctx
);
1078 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1079 _mesa_set_enablei(ctx
, cap
, index
, GL_FALSE
);
1084 _mesa_Enablei( GLenum cap
, GLuint index
)
1086 GET_CURRENT_CONTEXT(ctx
);
1087 ASSERT_OUTSIDE_BEGIN_END(ctx
);
1088 _mesa_set_enablei(ctx
, cap
, index
, GL_TRUE
);
1092 GLboolean GLAPIENTRY
1093 _mesa_IsEnabledi( GLenum cap
, GLuint index
)
1095 GET_CURRENT_CONTEXT(ctx
);
1096 ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx
, 0);
1099 if (index
>= ctx
->Const
.MaxDrawBuffers
) {
1100 _mesa_error(ctx
, GL_INVALID_VALUE
, "glIsEnabledIndexed(index=%u)",
1104 return (ctx
->Color
.BlendEnabled
>> index
) & 1;
1106 _mesa_error(ctx
, GL_INVALID_ENUM
, "glIsEnabledIndexed(cap=%s)",
1107 _mesa_lookup_enum_by_nr(cap
));
1115 #undef CHECK_EXTENSION
1116 #define CHECK_EXTENSION(EXTNAME) \
1117 if (!ctx->Extensions.EXTNAME) { \
1118 goto invalid_enum_error; \
1121 #undef CHECK_EXTENSION2
1122 #define CHECK_EXTENSION2(EXT1, EXT2) \
1123 if (!ctx->Extensions.EXT1 && !ctx->Extensions.EXT2) { \
1124 goto invalid_enum_error; \
1129 * Helper function to determine whether a texture target is enabled.
1132 is_texture_enabled(struct gl_context
*ctx
, GLbitfield bit
)
1134 const struct gl_texture_unit
*const texUnit
=
1135 &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
1136 return (texUnit
->Enabled
& bit
) ? GL_TRUE
: GL_FALSE
;
1141 * Return simple enable/disable state.
1143 * \param cap state variable to query.
1145 * Returns the state of the specified capability from the current GL context.
1146 * For the capabilities associated with extensions verifies that those
1147 * extensions are effectively present before reporting.
1149 GLboolean GLAPIENTRY
1150 _mesa_IsEnabled( GLenum cap
)
1152 GET_CURRENT_CONTEXT(ctx
);
1153 ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx
, 0);
1157 if (ctx
->API
!= API_OPENGL
&& ctx
->API
!= API_OPENGLES
)
1158 goto invalid_enum_error
;
1159 return ctx
->Color
.AlphaEnabled
;
1160 case GL_AUTO_NORMAL
:
1161 if (ctx
->API
!= API_OPENGL
)
1162 goto invalid_enum_error
;
1163 return ctx
->Eval
.AutoNormal
;
1165 return ctx
->Color
.BlendEnabled
& 1; /* return state for buffer[0] */
1166 case GL_CLIP_DISTANCE0
:
1167 case GL_CLIP_DISTANCE1
:
1168 case GL_CLIP_DISTANCE2
:
1169 case GL_CLIP_DISTANCE3
:
1170 case GL_CLIP_DISTANCE4
:
1171 case GL_CLIP_DISTANCE5
:
1172 case GL_CLIP_DISTANCE6
:
1173 case GL_CLIP_DISTANCE7
: {
1174 const GLuint p
= cap
- GL_CLIP_DISTANCE0
;
1176 if (p
>= ctx
->Const
.MaxClipPlanes
)
1177 goto invalid_enum_error
;
1179 return (ctx
->Transform
.ClipPlanesEnabled
>> p
) & 1;
1181 case GL_COLOR_MATERIAL
:
1182 if (ctx
->API
!= API_OPENGL
&& ctx
->API
!= API_OPENGLES
)
1183 goto invalid_enum_error
;
1184 return ctx
->Light
.ColorMaterialEnabled
;
1186 return ctx
->Polygon
.CullFlag
;
1187 case GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB
:
1188 if (!_mesa_is_desktop_gl(ctx
))
1189 goto invalid_enum_error
;
1190 return ctx
->Debug
.SyncOutput
;
1192 return ctx
->Depth
.Test
;
1194 return ctx
->Color
.DitherFlag
;
1196 if (ctx
->API
!= API_OPENGL
&& ctx
->API
!= API_OPENGLES
)
1197 goto invalid_enum_error
;
1198 return ctx
->Fog
.Enabled
;
1200 if (ctx
->API
!= API_OPENGL
&& ctx
->API
!= API_OPENGLES
)
1201 goto invalid_enum_error
;
1202 return ctx
->Light
.Enabled
;
1211 if (ctx
->API
!= API_OPENGL
&& ctx
->API
!= API_OPENGLES
)
1212 goto invalid_enum_error
;
1213 return ctx
->Light
.Light
[cap
-GL_LIGHT0
].Enabled
;
1214 case GL_LINE_SMOOTH
:
1215 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
1216 goto invalid_enum_error
;
1217 return ctx
->Line
.SmoothFlag
;
1218 case GL_LINE_STIPPLE
:
1219 if (ctx
->API
!= API_OPENGL
)
1220 goto invalid_enum_error
;
1221 return ctx
->Line
.StippleFlag
;
1222 case GL_INDEX_LOGIC_OP
:
1223 if (ctx
->API
!= API_OPENGL
)
1224 goto invalid_enum_error
;
1225 return ctx
->Color
.IndexLogicOpEnabled
;
1226 case GL_COLOR_LOGIC_OP
:
1227 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
1228 goto invalid_enum_error
;
1229 return ctx
->Color
.ColorLogicOpEnabled
;
1230 case GL_MAP1_COLOR_4
:
1231 if (ctx
->API
!= API_OPENGL
)
1232 goto invalid_enum_error
;
1233 return ctx
->Eval
.Map1Color4
;
1235 if (ctx
->API
!= API_OPENGL
)
1236 goto invalid_enum_error
;
1237 return ctx
->Eval
.Map1Index
;
1238 case GL_MAP1_NORMAL
:
1239 if (ctx
->API
!= API_OPENGL
)
1240 goto invalid_enum_error
;
1241 return ctx
->Eval
.Map1Normal
;
1242 case GL_MAP1_TEXTURE_COORD_1
:
1243 if (ctx
->API
!= API_OPENGL
)
1244 goto invalid_enum_error
;
1245 return ctx
->Eval
.Map1TextureCoord1
;
1246 case GL_MAP1_TEXTURE_COORD_2
:
1247 if (ctx
->API
!= API_OPENGL
)
1248 goto invalid_enum_error
;
1249 return ctx
->Eval
.Map1TextureCoord2
;
1250 case GL_MAP1_TEXTURE_COORD_3
:
1251 if (ctx
->API
!= API_OPENGL
)
1252 goto invalid_enum_error
;
1253 return ctx
->Eval
.Map1TextureCoord3
;
1254 case GL_MAP1_TEXTURE_COORD_4
:
1255 if (ctx
->API
!= API_OPENGL
)
1256 goto invalid_enum_error
;
1257 return ctx
->Eval
.Map1TextureCoord4
;
1258 case GL_MAP1_VERTEX_3
:
1259 if (ctx
->API
!= API_OPENGL
)
1260 goto invalid_enum_error
;
1261 return ctx
->Eval
.Map1Vertex3
;
1262 case GL_MAP1_VERTEX_4
:
1263 if (ctx
->API
!= API_OPENGL
)
1264 goto invalid_enum_error
;
1265 return ctx
->Eval
.Map1Vertex4
;
1266 case GL_MAP2_COLOR_4
:
1267 if (ctx
->API
!= API_OPENGL
)
1268 goto invalid_enum_error
;
1269 return ctx
->Eval
.Map2Color4
;
1271 if (ctx
->API
!= API_OPENGL
)
1272 goto invalid_enum_error
;
1273 return ctx
->Eval
.Map2Index
;
1274 case GL_MAP2_NORMAL
:
1275 if (ctx
->API
!= API_OPENGL
)
1276 goto invalid_enum_error
;
1277 return ctx
->Eval
.Map2Normal
;
1278 case GL_MAP2_TEXTURE_COORD_1
:
1279 if (ctx
->API
!= API_OPENGL
)
1280 goto invalid_enum_error
;
1281 return ctx
->Eval
.Map2TextureCoord1
;
1282 case GL_MAP2_TEXTURE_COORD_2
:
1283 if (ctx
->API
!= API_OPENGL
)
1284 goto invalid_enum_error
;
1285 return ctx
->Eval
.Map2TextureCoord2
;
1286 case GL_MAP2_TEXTURE_COORD_3
:
1287 if (ctx
->API
!= API_OPENGL
)
1288 goto invalid_enum_error
;
1289 return ctx
->Eval
.Map2TextureCoord3
;
1290 case GL_MAP2_TEXTURE_COORD_4
:
1291 if (ctx
->API
!= API_OPENGL
)
1292 goto invalid_enum_error
;
1293 return ctx
->Eval
.Map2TextureCoord4
;
1294 case GL_MAP2_VERTEX_3
:
1295 if (ctx
->API
!= API_OPENGL
)
1296 goto invalid_enum_error
;
1297 return ctx
->Eval
.Map2Vertex3
;
1298 case GL_MAP2_VERTEX_4
:
1299 if (ctx
->API
!= API_OPENGL
)
1300 goto invalid_enum_error
;
1301 return ctx
->Eval
.Map2Vertex4
;
1303 if (ctx
->API
!= API_OPENGL
&& ctx
->API
!= API_OPENGLES
)
1304 goto invalid_enum_error
;
1305 return ctx
->Transform
.Normalize
;
1306 case GL_POINT_SMOOTH
:
1307 if (ctx
->API
!= API_OPENGL
&& ctx
->API
!= API_OPENGLES
)
1308 goto invalid_enum_error
;
1309 return ctx
->Point
.SmoothFlag
;
1310 case GL_POLYGON_SMOOTH
:
1311 if (!_mesa_is_desktop_gl(ctx
))
1312 goto invalid_enum_error
;
1313 return ctx
->Polygon
.SmoothFlag
;
1314 case GL_POLYGON_STIPPLE
:
1315 if (ctx
->API
!= API_OPENGL
)
1316 goto invalid_enum_error
;
1317 return ctx
->Polygon
.StippleFlag
;
1318 case GL_POLYGON_OFFSET_POINT
:
1319 if (!_mesa_is_desktop_gl(ctx
))
1320 goto invalid_enum_error
;
1321 return ctx
->Polygon
.OffsetPoint
;
1322 case GL_POLYGON_OFFSET_LINE
:
1323 if (!_mesa_is_desktop_gl(ctx
))
1324 goto invalid_enum_error
;
1325 return ctx
->Polygon
.OffsetLine
;
1326 case GL_POLYGON_OFFSET_FILL
:
1327 return ctx
->Polygon
.OffsetFill
;
1328 case GL_RESCALE_NORMAL_EXT
:
1329 if (ctx
->API
!= API_OPENGL
&& ctx
->API
!= API_OPENGLES
)
1330 goto invalid_enum_error
;
1331 return ctx
->Transform
.RescaleNormals
;
1332 case GL_SCISSOR_TEST
:
1333 return ctx
->Scissor
.Enabled
;
1334 case GL_STENCIL_TEST
:
1335 return ctx
->Stencil
.Enabled
;
1337 if (ctx
->API
!= API_OPENGL
)
1338 goto invalid_enum_error
;
1339 return is_texture_enabled(ctx
, TEXTURE_1D_BIT
);
1341 if (ctx
->API
!= API_OPENGL
&& ctx
->API
!= API_OPENGLES
)
1342 goto invalid_enum_error
;
1343 return is_texture_enabled(ctx
, TEXTURE_2D_BIT
);
1345 if (ctx
->API
!= API_OPENGL
&& ctx
->API
!= API_OPENGLES
)
1346 goto invalid_enum_error
;
1347 return is_texture_enabled(ctx
, TEXTURE_3D_BIT
);
1348 case GL_TEXTURE_GEN_S
:
1349 case GL_TEXTURE_GEN_T
:
1350 case GL_TEXTURE_GEN_R
:
1351 case GL_TEXTURE_GEN_Q
:
1353 const struct gl_texture_unit
*texUnit
= get_texcoord_unit(ctx
);
1355 if (ctx
->API
!= API_OPENGL
)
1356 goto invalid_enum_error
;
1359 GLbitfield coordBit
= S_BIT
<< (cap
- GL_TEXTURE_GEN_S
);
1360 return (texUnit
->TexGenEnabled
& coordBit
) ? GL_TRUE
: GL_FALSE
;
1364 case GL_TEXTURE_GEN_STR_OES
:
1366 const struct gl_texture_unit
*texUnit
= get_texcoord_unit(ctx
);
1368 if (ctx
->API
!= API_OPENGLES
)
1369 goto invalid_enum_error
;
1372 return (texUnit
->TexGenEnabled
& STR_BITS
) == STR_BITS
1373 ? GL_TRUE
: GL_FALSE
;
1377 /* client-side state */
1378 case GL_VERTEX_ARRAY
:
1379 if (ctx
->API
!= API_OPENGL
&& ctx
->API
!= API_OPENGLES
)
1380 goto invalid_enum_error
;
1381 return (ctx
->Array
.ArrayObj
->VertexAttrib
[VERT_ATTRIB_POS
].Enabled
!= 0);
1382 case GL_NORMAL_ARRAY
:
1383 if (ctx
->API
!= API_OPENGL
&& ctx
->API
!= API_OPENGLES
)
1384 goto invalid_enum_error
;
1385 return (ctx
->Array
.ArrayObj
->VertexAttrib
[VERT_ATTRIB_NORMAL
].Enabled
!= 0);
1386 case GL_COLOR_ARRAY
:
1387 if (ctx
->API
!= API_OPENGL
&& ctx
->API
!= API_OPENGLES
)
1388 goto invalid_enum_error
;
1389 return (ctx
->Array
.ArrayObj
->VertexAttrib
[VERT_ATTRIB_COLOR0
].Enabled
!= 0);
1390 case GL_INDEX_ARRAY
:
1391 if (ctx
->API
!= API_OPENGL
)
1392 goto invalid_enum_error
;
1393 return (ctx
->Array
.ArrayObj
->VertexAttrib
[VERT_ATTRIB_COLOR_INDEX
].Enabled
!= 0);
1394 case GL_TEXTURE_COORD_ARRAY
:
1395 if (ctx
->API
!= API_OPENGL
&& ctx
->API
!= API_OPENGLES
)
1396 goto invalid_enum_error
;
1397 return (ctx
->Array
.ArrayObj
->VertexAttrib
[VERT_ATTRIB_TEX(ctx
->Array
.ActiveTexture
)]
1399 case GL_EDGE_FLAG_ARRAY
:
1400 if (ctx
->API
!= API_OPENGL
)
1401 goto invalid_enum_error
;
1402 return (ctx
->Array
.ArrayObj
->VertexAttrib
[VERT_ATTRIB_EDGEFLAG
].Enabled
!= 0);
1403 case GL_FOG_COORDINATE_ARRAY_EXT
:
1404 if (ctx
->API
!= API_OPENGL
)
1405 goto invalid_enum_error
;
1406 CHECK_EXTENSION(EXT_fog_coord
);
1407 return (ctx
->Array
.ArrayObj
->VertexAttrib
[VERT_ATTRIB_FOG
].Enabled
!= 0);
1408 case GL_SECONDARY_COLOR_ARRAY_EXT
:
1409 if (ctx
->API
!= API_OPENGL
)
1410 goto invalid_enum_error
;
1411 CHECK_EXTENSION(EXT_secondary_color
);
1412 return (ctx
->Array
.ArrayObj
->VertexAttrib
[VERT_ATTRIB_COLOR1
].Enabled
!= 0);
1413 case GL_POINT_SIZE_ARRAY_OES
:
1414 if (ctx
->API
!= API_OPENGLES
)
1415 goto invalid_enum_error
;
1416 return (ctx
->Array
.ArrayObj
->VertexAttrib
[VERT_ATTRIB_POINT_SIZE
].Enabled
!= 0);
1418 /* GL_ARB_texture_cube_map */
1419 case GL_TEXTURE_CUBE_MAP_ARB
:
1420 CHECK_EXTENSION(ARB_texture_cube_map
);
1421 return is_texture_enabled(ctx
, TEXTURE_CUBE_BIT
);
1423 /* GL_EXT_secondary_color */
1424 case GL_COLOR_SUM_EXT
:
1425 if (ctx
->API
!= API_OPENGL
)
1426 goto invalid_enum_error
;
1427 CHECK_EXTENSION2(EXT_secondary_color
, ARB_vertex_program
);
1428 return ctx
->Fog
.ColorSumEnabled
;
1430 /* GL_ARB_multisample */
1431 case GL_MULTISAMPLE_ARB
:
1432 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
1433 goto invalid_enum_error
;
1434 return ctx
->Multisample
.Enabled
;
1435 case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB
:
1436 return ctx
->Multisample
.SampleAlphaToCoverage
;
1437 case GL_SAMPLE_ALPHA_TO_ONE_ARB
:
1438 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
1439 goto invalid_enum_error
;
1440 return ctx
->Multisample
.SampleAlphaToOne
;
1441 case GL_SAMPLE_COVERAGE_ARB
:
1442 return ctx
->Multisample
.SampleCoverage
;
1443 case GL_SAMPLE_COVERAGE_INVERT_ARB
:
1444 if (!_mesa_is_desktop_gl(ctx
))
1445 goto invalid_enum_error
;
1446 return ctx
->Multisample
.SampleCoverageInvert
;
1448 /* GL_IBM_rasterpos_clip */
1449 case GL_RASTER_POSITION_UNCLIPPED_IBM
:
1450 if (ctx
->API
!= API_OPENGL
)
1451 goto invalid_enum_error
;
1452 return ctx
->Transform
.RasterPositionUnclipped
;
1454 /* GL_NV_point_sprite */
1455 case GL_POINT_SPRITE_NV
:
1456 if (ctx
->API
!= API_OPENGL
&& ctx
->API
!= API_OPENGLES
)
1457 goto invalid_enum_error
;
1458 CHECK_EXTENSION2(NV_point_sprite
, ARB_point_sprite
)
1459 return ctx
->Point
.PointSprite
;
1461 case GL_VERTEX_PROGRAM_ARB
:
1462 if (ctx
->API
!= API_OPENGL
)
1463 goto invalid_enum_error
;
1464 CHECK_EXTENSION(ARB_vertex_program
);
1465 return ctx
->VertexProgram
.Enabled
;
1466 case GL_VERTEX_PROGRAM_POINT_SIZE_ARB
:
1467 /* This was added with ARB_vertex_program, but it is also used with
1468 * GLSL vertex shaders on desktop.
1470 if (!_mesa_is_desktop_gl(ctx
))
1471 goto invalid_enum_error
;
1472 CHECK_EXTENSION(ARB_vertex_program
);
1473 return ctx
->VertexProgram
.PointSizeEnabled
;
1474 case GL_VERTEX_PROGRAM_TWO_SIDE_ARB
:
1475 if (ctx
->API
!= API_OPENGL
)
1476 goto invalid_enum_error
;
1477 CHECK_EXTENSION(ARB_vertex_program
);
1478 return ctx
->VertexProgram
.TwoSideEnabled
;
1480 /* GL_NV_texture_rectangle */
1481 case GL_TEXTURE_RECTANGLE_NV
:
1482 if (ctx
->API
!= API_OPENGL
)
1483 goto invalid_enum_error
;
1484 CHECK_EXTENSION(NV_texture_rectangle
);
1485 return is_texture_enabled(ctx
, TEXTURE_RECT_BIT
);
1487 /* GL_EXT_stencil_two_side */
1488 case GL_STENCIL_TEST_TWO_SIDE_EXT
:
1489 if (ctx
->API
!= API_OPENGL
)
1490 goto invalid_enum_error
;
1491 CHECK_EXTENSION(EXT_stencil_two_side
);
1492 return ctx
->Stencil
.TestTwoSide
;
1494 case GL_FRAGMENT_PROGRAM_ARB
:
1495 if (ctx
->API
!= API_OPENGL
)
1496 goto invalid_enum_error
;
1497 return ctx
->FragmentProgram
.Enabled
;
1499 /* GL_EXT_depth_bounds_test */
1500 case GL_DEPTH_BOUNDS_TEST_EXT
:
1501 if (!_mesa_is_desktop_gl(ctx
))
1502 goto invalid_enum_error
;
1503 CHECK_EXTENSION(EXT_depth_bounds_test
);
1504 return ctx
->Depth
.BoundsTest
;
1506 /* GL_ARB_depth_clamp */
1507 case GL_DEPTH_CLAMP
:
1508 if (!_mesa_is_desktop_gl(ctx
))
1509 goto invalid_enum_error
;
1510 CHECK_EXTENSION(ARB_depth_clamp
);
1511 return ctx
->Transform
.DepthClamp
;
1513 case GL_FRAGMENT_SHADER_ATI
:
1514 if (ctx
->API
!= API_OPENGL
)
1515 goto invalid_enum_error
;
1516 CHECK_EXTENSION(ATI_fragment_shader
);
1517 return ctx
->ATIFragmentShader
.Enabled
;
1519 case GL_TEXTURE_CUBE_MAP_SEAMLESS
:
1520 if (!_mesa_is_desktop_gl(ctx
))
1521 goto invalid_enum_error
;
1522 CHECK_EXTENSION(ARB_seamless_cube_map
);
1523 return ctx
->Texture
.CubeMapSeamless
;
1525 case GL_RASTERIZER_DISCARD
:
1526 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles3(ctx
))
1527 goto invalid_enum_error
;
1528 CHECK_EXTENSION(EXT_transform_feedback
);
1529 return ctx
->RasterDiscard
;
1531 /* GL_NV_primitive_restart */
1532 case GL_PRIMITIVE_RESTART_NV
:
1533 if (ctx
->API
!= API_OPENGL
|| !ctx
->Extensions
.NV_primitive_restart
) {
1534 goto invalid_enum_error
;
1536 return ctx
->Array
.PrimitiveRestart
;
1538 /* GL 3.1 primitive restart */
1539 case GL_PRIMITIVE_RESTART
:
1540 if (!_mesa_is_desktop_gl(ctx
) || ctx
->Version
< 31) {
1541 goto invalid_enum_error
;
1543 return ctx
->Array
.PrimitiveRestart
;
1545 /* GL3.0 - GL_framebuffer_sRGB */
1546 case GL_FRAMEBUFFER_SRGB_EXT
:
1547 if (!_mesa_is_desktop_gl(ctx
))
1548 goto invalid_enum_error
;
1549 CHECK_EXTENSION(EXT_framebuffer_sRGB
);
1550 return ctx
->Color
.sRGBEnabled
;
1552 /* GL_OES_EGL_image_external */
1553 case GL_TEXTURE_EXTERNAL_OES
:
1554 if (!_mesa_is_gles(ctx
))
1555 goto invalid_enum_error
;
1556 CHECK_EXTENSION(OES_EGL_image_external
);
1557 return is_texture_enabled(ctx
, TEXTURE_EXTERNAL_BIT
);
1560 goto invalid_enum_error
;
1566 _mesa_error(ctx
, GL_INVALID_ENUM
, "glIsEnabled(%s)",
1567 _mesa_lookup_enum_by_nr(cap
));