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.
36 #include "debug_output.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
;
68 GLbitfield vert_attrib_bit
;
69 GLboolean
*enable_var
;
73 enable_var
= &vao
->VertexAttrib
[VERT_ATTRIB_POS
].Enabled
;
74 vert_attrib_bit
= VERT_BIT_POS
;
77 enable_var
= &vao
->VertexAttrib
[VERT_ATTRIB_NORMAL
].Enabled
;
78 vert_attrib_bit
= VERT_BIT_NORMAL
;
81 enable_var
= &vao
->VertexAttrib
[VERT_ATTRIB_COLOR0
].Enabled
;
82 vert_attrib_bit
= VERT_BIT_COLOR0
;
85 enable_var
= &vao
->VertexAttrib
[VERT_ATTRIB_COLOR_INDEX
].Enabled
;
86 vert_attrib_bit
= VERT_BIT_COLOR_INDEX
;
88 case GL_TEXTURE_COORD_ARRAY
:
89 enable_var
= &vao
->VertexAttrib
[VERT_ATTRIB_TEX(ctx
->Array
.ActiveTexture
)].Enabled
;
90 vert_attrib_bit
= VERT_BIT_TEX(ctx
->Array
.ActiveTexture
);
92 case GL_EDGE_FLAG_ARRAY
:
93 enable_var
= &vao
->VertexAttrib
[VERT_ATTRIB_EDGEFLAG
].Enabled
;
94 vert_attrib_bit
= VERT_BIT_EDGEFLAG
;
96 case GL_FOG_COORDINATE_ARRAY_EXT
:
97 enable_var
= &vao
->VertexAttrib
[VERT_ATTRIB_FOG
].Enabled
;
98 vert_attrib_bit
= VERT_BIT_FOG
;
100 case GL_SECONDARY_COLOR_ARRAY_EXT
:
101 enable_var
= &vao
->VertexAttrib
[VERT_ATTRIB_COLOR1
].Enabled
;
102 vert_attrib_bit
= VERT_BIT_COLOR1
;
105 case GL_POINT_SIZE_ARRAY_OES
:
106 enable_var
= &vao
->VertexAttrib
[VERT_ATTRIB_POINT_SIZE
].Enabled
;
107 vert_attrib_bit
= VERT_BIT_POINT_SIZE
;
108 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
109 ctx
->VertexProgram
.PointSizeEnabled
= state
;
112 /* GL_NV_primitive_restart */
113 case GL_PRIMITIVE_RESTART_NV
:
114 if (!ctx
->Extensions
.NV_primitive_restart
)
115 goto invalid_enum_error
;
116 if (ctx
->Array
.PrimitiveRestart
== state
)
119 FLUSH_VERTICES(ctx
, 0);
120 ctx
->Array
.PrimitiveRestart
= state
;
121 update_derived_primitive_restart_state(ctx
);
125 goto invalid_enum_error
;
128 if (*enable_var
== state
)
131 FLUSH_VERTICES(ctx
, _NEW_ARRAY
);
136 vao
->_Enabled
|= vert_attrib_bit
;
138 vao
->_Enabled
&= ~vert_attrib_bit
;
140 vao
->NewArrays
|= vert_attrib_bit
;
142 /* Something got en/disabled, so update the map mode */
143 if (vert_attrib_bit
& (VERT_BIT_POS
|VERT_BIT_GENERIC0
))
144 _mesa_update_attribute_map_mode(ctx
, vao
);
146 if (ctx
->Driver
.Enable
) {
147 ctx
->Driver
.Enable( ctx
, cap
, state
);
153 _mesa_error(ctx
, GL_INVALID_ENUM
, "gl%sClientState(%s)",
154 state
? "Enable" : "Disable", _mesa_enum_to_string(cap
));
159 * Enable GL capability.
160 * \param cap state to enable/disable.
162 * Get's the current context, assures that we're outside glBegin()/glEnd() and
163 * calls client_state().
166 _mesa_EnableClientState( GLenum cap
)
168 GET_CURRENT_CONTEXT(ctx
);
169 client_state( ctx
, cap
, GL_TRUE
);
174 * Disable GL capability.
175 * \param cap state to enable/disable.
177 * Get's the current context, assures that we're outside glBegin()/glEnd() and
178 * calls client_state().
181 _mesa_DisableClientState( GLenum cap
)
183 GET_CURRENT_CONTEXT(ctx
);
184 client_state( ctx
, cap
, GL_FALSE
);
188 #undef CHECK_EXTENSION
189 #define CHECK_EXTENSION(EXTNAME, CAP) \
190 if (!ctx->Extensions.EXTNAME) { \
191 goto invalid_enum_error; \
194 #define CHECK_EXTENSION2(EXT1, EXT2, CAP) \
195 if (!ctx->Extensions.EXT1 && !ctx->Extensions.EXT2) { \
196 goto invalid_enum_error; \
200 * Return pointer to current texture unit for setting/getting coordinate
202 * Note that we'll set GL_INVALID_OPERATION and return NULL if the active
203 * texture unit is higher than the number of supported coordinate units.
205 static struct gl_texture_unit
*
206 get_texcoord_unit(struct gl_context
*ctx
)
208 if (ctx
->Texture
.CurrentUnit
>= ctx
->Const
.MaxTextureCoordUnits
) {
209 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glEnable/Disable(texcoord unit)");
213 return &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
219 * Helper function to enable or disable a texture target.
220 * \param bit one of the TEXTURE_x_BIT values
221 * \return GL_TRUE if state is changing or GL_FALSE if no change
224 enable_texture(struct gl_context
*ctx
, GLboolean state
, GLbitfield texBit
)
226 struct gl_texture_unit
*texUnit
= _mesa_get_current_tex_unit(ctx
);
227 const GLbitfield newenabled
= state
228 ? (texUnit
->Enabled
| texBit
) : (texUnit
->Enabled
& ~texBit
);
230 if (texUnit
->Enabled
== newenabled
)
233 FLUSH_VERTICES(ctx
, _NEW_TEXTURE_STATE
);
234 texUnit
->Enabled
= newenabled
;
240 * Helper function to enable or disable GL_MULTISAMPLE, skipping the check for
241 * whether the API supports it (GLES doesn't).
244 _mesa_set_multisample(struct gl_context
*ctx
, GLboolean state
)
246 if (ctx
->Multisample
.Enabled
== state
)
249 /* GL compatibility needs Multisample.Enable to determine program state
252 if (ctx
->API
== API_OPENGL_COMPAT
|| ctx
->API
== API_OPENGLES
||
253 !ctx
->DriverFlags
.NewMultisampleEnable
) {
254 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
256 FLUSH_VERTICES(ctx
, 0);
259 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewMultisampleEnable
;
260 ctx
->Multisample
.Enabled
= state
;
262 if (ctx
->Driver
.Enable
) {
263 ctx
->Driver
.Enable(ctx
, GL_MULTISAMPLE
, state
);
268 * Helper function to enable or disable GL_FRAMEBUFFER_SRGB, skipping the
269 * check for whether the API supports it (GLES doesn't).
272 _mesa_set_framebuffer_srgb(struct gl_context
*ctx
, GLboolean state
)
274 if (ctx
->Color
.sRGBEnabled
== state
)
277 /* TODO: Switch i965 to the new flag and remove the conditional */
278 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewFramebufferSRGB
? 0 : _NEW_BUFFERS
);
279 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewFramebufferSRGB
;
280 ctx
->Color
.sRGBEnabled
= state
;
282 if (ctx
->Driver
.Enable
) {
283 ctx
->Driver
.Enable(ctx
, GL_FRAMEBUFFER_SRGB
, state
);
288 * Helper function to enable or disable state.
290 * \param ctx GL context.
291 * \param cap the state to enable/disable
292 * \param state whether to enable or disable the specified capability.
294 * Updates the current context and flushes the vertices as needed. For
295 * capabilities associated with extensions it verifies that those extensions
296 * are effectivly present before updating. Notifies the driver via
297 * dd_function_table::Enable.
300 _mesa_set_enable(struct gl_context
*ctx
, GLenum cap
, GLboolean state
)
302 if (MESA_VERBOSE
& VERBOSE_API
)
303 _mesa_debug(ctx
, "%s %s (newstate is %x)\n",
304 state
? "glEnable" : "glDisable",
305 _mesa_enum_to_string(cap
),
310 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
311 goto invalid_enum_error
;
312 if (ctx
->Color
.AlphaEnabled
== state
)
314 /* AlphaEnabled is used by the fixed-func fragment program */
315 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
316 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewAlphaTest
;
317 ctx
->Color
.AlphaEnabled
= state
;
320 if (ctx
->API
!= API_OPENGL_COMPAT
)
321 goto invalid_enum_error
;
322 if (ctx
->Eval
.AutoNormal
== state
)
324 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
325 ctx
->Eval
.AutoNormal
= state
;
329 GLbitfield newEnabled
=
330 state
* ((1 << ctx
->Const
.MaxDrawBuffers
) - 1);
331 if (newEnabled
!= ctx
->Color
.BlendEnabled
) {
332 _mesa_flush_vertices_for_blend_state(ctx
);
333 ctx
->Color
.BlendEnabled
= newEnabled
;
337 case GL_CLIP_DISTANCE0
: /* aka GL_CLIP_PLANE0 */
338 case GL_CLIP_DISTANCE1
:
339 case GL_CLIP_DISTANCE2
:
340 case GL_CLIP_DISTANCE3
:
341 case GL_CLIP_DISTANCE4
:
342 case GL_CLIP_DISTANCE5
:
343 case GL_CLIP_DISTANCE6
:
344 case GL_CLIP_DISTANCE7
:
346 const GLuint p
= cap
- GL_CLIP_DISTANCE0
;
348 if (p
>= ctx
->Const
.MaxClipPlanes
)
349 goto invalid_enum_error
;
351 if ((ctx
->Transform
.ClipPlanesEnabled
& (1 << p
))
352 == ((GLuint
) state
<< p
))
355 /* The compatibility profile needs _NEW_TRANSFORM to transform
356 * clip planes according to the projection matrix.
358 if (ctx
->API
== API_OPENGL_COMPAT
|| ctx
->API
== API_OPENGLES
||
359 !ctx
->DriverFlags
.NewClipPlaneEnable
) {
360 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
362 FLUSH_VERTICES(ctx
, 0);
364 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewClipPlaneEnable
;
367 ctx
->Transform
.ClipPlanesEnabled
|= (1 << p
);
369 /* The projection matrix transforms the clip plane. */
370 /* TODO: glEnable might not be the best place to do it. */
371 if (ctx
->API
== API_OPENGL_COMPAT
|| ctx
->API
== API_OPENGLES
) {
372 _mesa_update_clip_plane(ctx
, p
);
373 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewClipPlane
;
377 ctx
->Transform
.ClipPlanesEnabled
&= ~(1 << p
);
381 case GL_COLOR_MATERIAL
:
382 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
383 goto invalid_enum_error
;
384 if (ctx
->Light
.ColorMaterialEnabled
== state
)
386 FLUSH_VERTICES(ctx
, _NEW_LIGHT
);
387 FLUSH_CURRENT(ctx
, 0);
388 ctx
->Light
.ColorMaterialEnabled
= state
;
390 _mesa_update_color_material( ctx
,
391 ctx
->Current
.Attrib
[VERT_ATTRIB_COLOR0
] );
395 if (ctx
->Polygon
.CullFlag
== state
)
398 ctx
->DriverFlags
.NewPolygonState
? 0 : _NEW_POLYGON
);
399 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewPolygonState
;
400 ctx
->Polygon
.CullFlag
= state
;
403 if (ctx
->Depth
.Test
== state
)
405 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewDepth
? 0 : _NEW_DEPTH
);
406 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewDepth
;
407 ctx
->Depth
.Test
= state
;
409 case GL_DEBUG_OUTPUT
:
410 case GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB
:
411 _mesa_set_debug_state_int(ctx
, cap
, state
);
414 if (ctx
->Color
.DitherFlag
== state
)
416 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewBlend
? 0 : _NEW_COLOR
);
417 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewBlend
;
418 ctx
->Color
.DitherFlag
= state
;
421 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
422 goto invalid_enum_error
;
423 if (ctx
->Fog
.Enabled
== state
)
425 FLUSH_VERTICES(ctx
, _NEW_FOG
);
426 ctx
->Fog
.Enabled
= state
;
427 ctx
->Fog
._PackedEnabledMode
= state
? ctx
->Fog
._PackedMode
: FOG_NONE
;
437 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
438 goto invalid_enum_error
;
439 if (ctx
->Light
.Light
[cap
-GL_LIGHT0
].Enabled
== state
)
441 FLUSH_VERTICES(ctx
, _NEW_LIGHT
);
442 ctx
->Light
.Light
[cap
-GL_LIGHT0
].Enabled
= state
;
444 ctx
->Light
._EnabledLights
|= 1u << (cap
- GL_LIGHT0
);
447 ctx
->Light
._EnabledLights
&= ~(1u << (cap
- GL_LIGHT0
));
451 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
452 goto invalid_enum_error
;
453 if (ctx
->Light
.Enabled
== state
)
455 FLUSH_VERTICES(ctx
, _NEW_LIGHT
);
456 ctx
->Light
.Enabled
= state
;
459 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
460 goto invalid_enum_error
;
461 if (ctx
->Line
.SmoothFlag
== state
)
463 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewLineState
? 0 : _NEW_LINE
);
464 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewLineState
;
465 ctx
->Line
.SmoothFlag
= state
;
467 case GL_LINE_STIPPLE
:
468 if (ctx
->API
!= API_OPENGL_COMPAT
)
469 goto invalid_enum_error
;
470 if (ctx
->Line
.StippleFlag
== state
)
472 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewLineState
? 0 : _NEW_LINE
);
473 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewLineState
;
474 ctx
->Line
.StippleFlag
= state
;
476 case GL_INDEX_LOGIC_OP
:
477 if (ctx
->API
!= API_OPENGL_COMPAT
)
478 goto invalid_enum_error
;
479 if (ctx
->Color
.IndexLogicOpEnabled
== state
)
481 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewLogicOp
? 0 : _NEW_COLOR
);
482 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewLogicOp
;
483 ctx
->Color
.IndexLogicOpEnabled
= state
;
485 case GL_CONSERVATIVE_RASTERIZATION_INTEL
:
486 if (!_mesa_has_INTEL_conservative_rasterization(ctx
))
487 goto invalid_enum_error
;
488 if (ctx
->IntelConservativeRasterization
== state
)
490 FLUSH_VERTICES(ctx
, 0);
491 ctx
->NewDriverState
|=
492 ctx
->DriverFlags
.NewIntelConservativeRasterization
;
493 ctx
->IntelConservativeRasterization
= state
;
495 case GL_COLOR_LOGIC_OP
:
496 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
497 goto invalid_enum_error
;
498 if (ctx
->Color
.ColorLogicOpEnabled
== state
)
500 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewLogicOp
? 0 : _NEW_COLOR
);
501 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewLogicOp
;
502 ctx
->Color
.ColorLogicOpEnabled
= state
;
504 case GL_MAP1_COLOR_4
:
505 if (ctx
->API
!= API_OPENGL_COMPAT
)
506 goto invalid_enum_error
;
507 if (ctx
->Eval
.Map1Color4
== state
)
509 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
510 ctx
->Eval
.Map1Color4
= state
;
513 if (ctx
->API
!= API_OPENGL_COMPAT
)
514 goto invalid_enum_error
;
515 if (ctx
->Eval
.Map1Index
== state
)
517 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
518 ctx
->Eval
.Map1Index
= state
;
521 if (ctx
->API
!= API_OPENGL_COMPAT
)
522 goto invalid_enum_error
;
523 if (ctx
->Eval
.Map1Normal
== state
)
525 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
526 ctx
->Eval
.Map1Normal
= state
;
528 case GL_MAP1_TEXTURE_COORD_1
:
529 if (ctx
->API
!= API_OPENGL_COMPAT
)
530 goto invalid_enum_error
;
531 if (ctx
->Eval
.Map1TextureCoord1
== state
)
533 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
534 ctx
->Eval
.Map1TextureCoord1
= state
;
536 case GL_MAP1_TEXTURE_COORD_2
:
537 if (ctx
->API
!= API_OPENGL_COMPAT
)
538 goto invalid_enum_error
;
539 if (ctx
->Eval
.Map1TextureCoord2
== state
)
541 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
542 ctx
->Eval
.Map1TextureCoord2
= state
;
544 case GL_MAP1_TEXTURE_COORD_3
:
545 if (ctx
->API
!= API_OPENGL_COMPAT
)
546 goto invalid_enum_error
;
547 if (ctx
->Eval
.Map1TextureCoord3
== state
)
549 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
550 ctx
->Eval
.Map1TextureCoord3
= state
;
552 case GL_MAP1_TEXTURE_COORD_4
:
553 if (ctx
->API
!= API_OPENGL_COMPAT
)
554 goto invalid_enum_error
;
555 if (ctx
->Eval
.Map1TextureCoord4
== state
)
557 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
558 ctx
->Eval
.Map1TextureCoord4
= state
;
560 case GL_MAP1_VERTEX_3
:
561 if (ctx
->API
!= API_OPENGL_COMPAT
)
562 goto invalid_enum_error
;
563 if (ctx
->Eval
.Map1Vertex3
== state
)
565 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
566 ctx
->Eval
.Map1Vertex3
= state
;
568 case GL_MAP1_VERTEX_4
:
569 if (ctx
->API
!= API_OPENGL_COMPAT
)
570 goto invalid_enum_error
;
571 if (ctx
->Eval
.Map1Vertex4
== state
)
573 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
574 ctx
->Eval
.Map1Vertex4
= state
;
576 case GL_MAP2_COLOR_4
:
577 if (ctx
->API
!= API_OPENGL_COMPAT
)
578 goto invalid_enum_error
;
579 if (ctx
->Eval
.Map2Color4
== state
)
581 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
582 ctx
->Eval
.Map2Color4
= state
;
585 if (ctx
->API
!= API_OPENGL_COMPAT
)
586 goto invalid_enum_error
;
587 if (ctx
->Eval
.Map2Index
== state
)
589 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
590 ctx
->Eval
.Map2Index
= state
;
593 if (ctx
->API
!= API_OPENGL_COMPAT
)
594 goto invalid_enum_error
;
595 if (ctx
->Eval
.Map2Normal
== state
)
597 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
598 ctx
->Eval
.Map2Normal
= state
;
600 case GL_MAP2_TEXTURE_COORD_1
:
601 if (ctx
->API
!= API_OPENGL_COMPAT
)
602 goto invalid_enum_error
;
603 if (ctx
->Eval
.Map2TextureCoord1
== state
)
605 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
606 ctx
->Eval
.Map2TextureCoord1
= state
;
608 case GL_MAP2_TEXTURE_COORD_2
:
609 if (ctx
->API
!= API_OPENGL_COMPAT
)
610 goto invalid_enum_error
;
611 if (ctx
->Eval
.Map2TextureCoord2
== state
)
613 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
614 ctx
->Eval
.Map2TextureCoord2
= state
;
616 case GL_MAP2_TEXTURE_COORD_3
:
617 if (ctx
->API
!= API_OPENGL_COMPAT
)
618 goto invalid_enum_error
;
619 if (ctx
->Eval
.Map2TextureCoord3
== state
)
621 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
622 ctx
->Eval
.Map2TextureCoord3
= state
;
624 case GL_MAP2_TEXTURE_COORD_4
:
625 if (ctx
->API
!= API_OPENGL_COMPAT
)
626 goto invalid_enum_error
;
627 if (ctx
->Eval
.Map2TextureCoord4
== state
)
629 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
630 ctx
->Eval
.Map2TextureCoord4
= state
;
632 case GL_MAP2_VERTEX_3
:
633 if (ctx
->API
!= API_OPENGL_COMPAT
)
634 goto invalid_enum_error
;
635 if (ctx
->Eval
.Map2Vertex3
== state
)
637 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
638 ctx
->Eval
.Map2Vertex3
= state
;
640 case GL_MAP2_VERTEX_4
:
641 if (ctx
->API
!= API_OPENGL_COMPAT
)
642 goto invalid_enum_error
;
643 if (ctx
->Eval
.Map2Vertex4
== state
)
645 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
646 ctx
->Eval
.Map2Vertex4
= state
;
649 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
650 goto invalid_enum_error
;
651 if (ctx
->Transform
.Normalize
== state
)
653 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
654 ctx
->Transform
.Normalize
= state
;
656 case GL_POINT_SMOOTH
:
657 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
658 goto invalid_enum_error
;
659 if (ctx
->Point
.SmoothFlag
== state
)
661 FLUSH_VERTICES(ctx
, _NEW_POINT
);
662 ctx
->Point
.SmoothFlag
= state
;
664 case GL_POLYGON_SMOOTH
:
665 if (!_mesa_is_desktop_gl(ctx
))
666 goto invalid_enum_error
;
667 if (ctx
->Polygon
.SmoothFlag
== state
)
670 ctx
->DriverFlags
.NewPolygonState
? 0 : _NEW_POLYGON
);
671 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewPolygonState
;
672 ctx
->Polygon
.SmoothFlag
= state
;
674 case GL_POLYGON_STIPPLE
:
675 if (ctx
->API
!= API_OPENGL_COMPAT
)
676 goto invalid_enum_error
;
677 if (ctx
->Polygon
.StippleFlag
== state
)
680 ctx
->DriverFlags
.NewPolygonState
? 0 : _NEW_POLYGON
);
681 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewPolygonState
;
682 ctx
->Polygon
.StippleFlag
= state
;
684 case GL_POLYGON_OFFSET_POINT
:
685 if (!_mesa_is_desktop_gl(ctx
))
686 goto invalid_enum_error
;
687 if (ctx
->Polygon
.OffsetPoint
== state
)
690 ctx
->DriverFlags
.NewPolygonState
? 0 : _NEW_POLYGON
);
691 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewPolygonState
;
692 ctx
->Polygon
.OffsetPoint
= state
;
694 case GL_POLYGON_OFFSET_LINE
:
695 if (!_mesa_is_desktop_gl(ctx
))
696 goto invalid_enum_error
;
697 if (ctx
->Polygon
.OffsetLine
== state
)
700 ctx
->DriverFlags
.NewPolygonState
? 0 : _NEW_POLYGON
);
701 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewPolygonState
;
702 ctx
->Polygon
.OffsetLine
= state
;
704 case GL_POLYGON_OFFSET_FILL
:
705 if (ctx
->Polygon
.OffsetFill
== state
)
708 ctx
->DriverFlags
.NewPolygonState
? 0 : _NEW_POLYGON
);
709 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewPolygonState
;
710 ctx
->Polygon
.OffsetFill
= state
;
712 case GL_RESCALE_NORMAL_EXT
:
713 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
714 goto invalid_enum_error
;
715 if (ctx
->Transform
.RescaleNormals
== state
)
717 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
718 ctx
->Transform
.RescaleNormals
= state
;
720 case GL_SCISSOR_TEST
:
722 /* Must expand glEnable to all scissors */
723 GLbitfield newEnabled
=
724 state
* ((1 << ctx
->Const
.MaxViewports
) - 1);
725 if (newEnabled
!= ctx
->Scissor
.EnableFlags
) {
726 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewScissorTest
? 0 :
728 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewScissorTest
;
729 ctx
->Scissor
.EnableFlags
= newEnabled
;
733 case GL_STENCIL_TEST
:
734 if (ctx
->Stencil
.Enabled
== state
)
736 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewStencil
? 0 : _NEW_STENCIL
);
737 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewStencil
;
738 ctx
->Stencil
.Enabled
= state
;
741 if (ctx
->API
!= API_OPENGL_COMPAT
)
742 goto invalid_enum_error
;
743 if (!enable_texture(ctx
, state
, TEXTURE_1D_BIT
)) {
748 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
749 goto invalid_enum_error
;
750 if (!enable_texture(ctx
, state
, TEXTURE_2D_BIT
)) {
755 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
756 goto invalid_enum_error
;
757 if (!enable_texture(ctx
, state
, TEXTURE_3D_BIT
)) {
761 case GL_TEXTURE_GEN_S
:
762 case GL_TEXTURE_GEN_T
:
763 case GL_TEXTURE_GEN_R
:
764 case GL_TEXTURE_GEN_Q
:
766 struct gl_texture_unit
*texUnit
= get_texcoord_unit(ctx
);
768 if (ctx
->API
!= API_OPENGL_COMPAT
)
769 goto invalid_enum_error
;
772 GLbitfield coordBit
= S_BIT
<< (cap
- GL_TEXTURE_GEN_S
);
773 GLbitfield newenabled
= texUnit
->TexGenEnabled
& ~coordBit
;
775 newenabled
|= coordBit
;
776 if (texUnit
->TexGenEnabled
== newenabled
)
778 FLUSH_VERTICES(ctx
, _NEW_TEXTURE_STATE
);
779 texUnit
->TexGenEnabled
= newenabled
;
784 case GL_TEXTURE_GEN_STR_OES
:
785 /* disable S, T, and R at the same time */
787 struct gl_texture_unit
*texUnit
= get_texcoord_unit(ctx
);
789 if (ctx
->API
!= API_OPENGLES
)
790 goto invalid_enum_error
;
794 texUnit
->TexGenEnabled
& ~STR_BITS
;
796 newenabled
|= STR_BITS
;
797 if (texUnit
->TexGenEnabled
== newenabled
)
799 FLUSH_VERTICES(ctx
, _NEW_TEXTURE_STATE
);
800 texUnit
->TexGenEnabled
= newenabled
;
805 /* client-side state */
806 case GL_VERTEX_ARRAY
:
807 case GL_NORMAL_ARRAY
:
809 case GL_TEXTURE_COORD_ARRAY
:
810 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
811 goto invalid_enum_error
;
812 client_state( ctx
, cap
, state
);
815 case GL_EDGE_FLAG_ARRAY
:
816 case GL_FOG_COORDINATE_ARRAY_EXT
:
817 case GL_SECONDARY_COLOR_ARRAY_EXT
:
818 if (ctx
->API
!= API_OPENGL_COMPAT
)
819 goto invalid_enum_error
;
820 client_state( ctx
, cap
, state
);
822 case GL_POINT_SIZE_ARRAY_OES
:
823 if (ctx
->API
!= API_OPENGLES
)
824 goto invalid_enum_error
;
825 client_state( ctx
, cap
, state
);
828 /* GL_ARB_texture_cube_map */
829 case GL_TEXTURE_CUBE_MAP
:
830 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
831 goto invalid_enum_error
;
832 CHECK_EXTENSION(ARB_texture_cube_map
, cap
);
833 if (!enable_texture(ctx
, state
, TEXTURE_CUBE_BIT
)) {
838 /* GL_EXT_secondary_color */
839 case GL_COLOR_SUM_EXT
:
840 if (ctx
->API
!= API_OPENGL_COMPAT
)
841 goto invalid_enum_error
;
842 if (ctx
->Fog
.ColorSumEnabled
== state
)
844 FLUSH_VERTICES(ctx
, _NEW_FOG
);
845 ctx
->Fog
.ColorSumEnabled
= state
;
848 /* GL_ARB_multisample */
849 case GL_MULTISAMPLE_ARB
:
850 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
851 goto invalid_enum_error
;
852 _mesa_set_multisample(ctx
, state
);
854 case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB
:
855 if (ctx
->Multisample
.SampleAlphaToCoverage
== state
)
857 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewSampleAlphaToXEnable
? 0 :
859 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewSampleAlphaToXEnable
;
860 ctx
->Multisample
.SampleAlphaToCoverage
= state
;
862 case GL_SAMPLE_ALPHA_TO_ONE_ARB
:
863 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
864 goto invalid_enum_error
;
865 if (ctx
->Multisample
.SampleAlphaToOne
== state
)
867 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewSampleAlphaToXEnable
? 0 :
869 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewSampleAlphaToXEnable
;
870 ctx
->Multisample
.SampleAlphaToOne
= state
;
872 case GL_SAMPLE_COVERAGE_ARB
:
873 if (ctx
->Multisample
.SampleCoverage
== state
)
875 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewSampleMask
? 0 :
877 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewSampleMask
;
878 ctx
->Multisample
.SampleCoverage
= state
;
880 case GL_SAMPLE_COVERAGE_INVERT_ARB
:
881 if (!_mesa_is_desktop_gl(ctx
))
882 goto invalid_enum_error
;
883 if (ctx
->Multisample
.SampleCoverageInvert
== state
)
885 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewSampleMask
? 0 :
887 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewSampleMask
;
888 ctx
->Multisample
.SampleCoverageInvert
= state
;
891 /* GL_ARB_sample_shading */
892 case GL_SAMPLE_SHADING
:
893 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles3(ctx
))
894 goto invalid_enum_error
;
895 CHECK_EXTENSION(ARB_sample_shading
, cap
);
896 if (ctx
->Multisample
.SampleShading
== state
)
898 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewSampleShading
? 0 :
900 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewSampleShading
;
901 ctx
->Multisample
.SampleShading
= state
;
904 /* GL_IBM_rasterpos_clip */
905 case GL_RASTER_POSITION_UNCLIPPED_IBM
:
906 if (ctx
->API
!= API_OPENGL_COMPAT
)
907 goto invalid_enum_error
;
908 if (ctx
->Transform
.RasterPositionUnclipped
== state
)
910 FLUSH_VERTICES(ctx
, 0);
911 ctx
->Transform
.RasterPositionUnclipped
= state
;
914 /* GL_NV_point_sprite */
915 case GL_POINT_SPRITE_NV
:
916 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
917 goto invalid_enum_error
;
918 CHECK_EXTENSION2(NV_point_sprite
, ARB_point_sprite
, cap
);
919 if (ctx
->Point
.PointSprite
== state
)
921 FLUSH_VERTICES(ctx
, _NEW_POINT
);
922 ctx
->Point
.PointSprite
= state
;
925 case GL_VERTEX_PROGRAM_ARB
:
926 if (ctx
->API
!= API_OPENGL_COMPAT
)
927 goto invalid_enum_error
;
928 CHECK_EXTENSION(ARB_vertex_program
, cap
);
929 if (ctx
->VertexProgram
.Enabled
== state
)
931 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
932 ctx
->VertexProgram
.Enabled
= state
;
934 case GL_VERTEX_PROGRAM_POINT_SIZE_ARB
:
935 /* This was added with ARB_vertex_program, but it is also used with
936 * GLSL vertex shaders on desktop.
938 if (!_mesa_is_desktop_gl(ctx
))
939 goto invalid_enum_error
;
940 CHECK_EXTENSION(ARB_vertex_program
, cap
);
941 if (ctx
->VertexProgram
.PointSizeEnabled
== state
)
943 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
944 ctx
->VertexProgram
.PointSizeEnabled
= state
;
946 case GL_VERTEX_PROGRAM_TWO_SIDE_ARB
:
947 if (ctx
->API
!= API_OPENGL_COMPAT
)
948 goto invalid_enum_error
;
949 CHECK_EXTENSION(ARB_vertex_program
, cap
);
950 if (ctx
->VertexProgram
.TwoSideEnabled
== state
)
952 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
953 ctx
->VertexProgram
.TwoSideEnabled
= state
;
956 /* GL_NV_texture_rectangle */
957 case GL_TEXTURE_RECTANGLE_NV
:
958 if (ctx
->API
!= API_OPENGL_COMPAT
)
959 goto invalid_enum_error
;
960 CHECK_EXTENSION(NV_texture_rectangle
, cap
);
961 if (!enable_texture(ctx
, state
, TEXTURE_RECT_BIT
)) {
966 /* GL_EXT_stencil_two_side */
967 case GL_STENCIL_TEST_TWO_SIDE_EXT
:
968 if (ctx
->API
!= API_OPENGL_COMPAT
)
969 goto invalid_enum_error
;
970 CHECK_EXTENSION(EXT_stencil_two_side
, cap
);
971 if (ctx
->Stencil
.TestTwoSide
== state
)
973 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewStencil
? 0 : _NEW_STENCIL
);
974 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewStencil
;
975 ctx
->Stencil
.TestTwoSide
= state
;
977 ctx
->Stencil
._BackFace
= 2;
979 ctx
->Stencil
._BackFace
= 1;
983 case GL_FRAGMENT_PROGRAM_ARB
:
984 if (ctx
->API
!= API_OPENGL_COMPAT
)
985 goto invalid_enum_error
;
986 CHECK_EXTENSION(ARB_fragment_program
, cap
);
987 if (ctx
->FragmentProgram
.Enabled
== state
)
989 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
990 ctx
->FragmentProgram
.Enabled
= state
;
993 /* GL_EXT_depth_bounds_test */
994 case GL_DEPTH_BOUNDS_TEST_EXT
:
995 if (!_mesa_is_desktop_gl(ctx
))
996 goto invalid_enum_error
;
997 CHECK_EXTENSION(EXT_depth_bounds_test
, cap
);
998 if (ctx
->Depth
.BoundsTest
== state
)
1000 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewDepth
? 0 : _NEW_DEPTH
);
1001 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewDepth
;
1002 ctx
->Depth
.BoundsTest
= state
;
1005 case GL_DEPTH_CLAMP
:
1006 if (!_mesa_is_desktop_gl(ctx
))
1007 goto invalid_enum_error
;
1008 CHECK_EXTENSION(ARB_depth_clamp
, cap
);
1009 if (ctx
->Transform
.DepthClamp
== state
)
1011 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewDepthClamp
? 0 :
1013 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewDepthClamp
;
1014 ctx
->Transform
.DepthClamp
= state
;
1017 case GL_FRAGMENT_SHADER_ATI
:
1018 if (ctx
->API
!= API_OPENGL_COMPAT
)
1019 goto invalid_enum_error
;
1020 CHECK_EXTENSION(ATI_fragment_shader
, cap
);
1021 if (ctx
->ATIFragmentShader
.Enabled
== state
)
1023 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
1024 ctx
->ATIFragmentShader
.Enabled
= state
;
1027 case GL_TEXTURE_CUBE_MAP_SEAMLESS
:
1028 if (!_mesa_is_desktop_gl(ctx
))
1029 goto invalid_enum_error
;
1030 CHECK_EXTENSION(ARB_seamless_cube_map
, cap
);
1031 if (ctx
->Texture
.CubeMapSeamless
!= state
) {
1032 FLUSH_VERTICES(ctx
, _NEW_TEXTURE_OBJECT
);
1033 ctx
->Texture
.CubeMapSeamless
= state
;
1037 case GL_RASTERIZER_DISCARD
:
1038 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles3(ctx
))
1039 goto invalid_enum_error
;
1040 CHECK_EXTENSION(EXT_transform_feedback
, cap
);
1041 if (ctx
->RasterDiscard
!= state
) {
1042 FLUSH_VERTICES(ctx
, 0);
1043 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewRasterizerDiscard
;
1044 ctx
->RasterDiscard
= state
;
1048 case GL_TILE_RASTER_ORDER_FIXED_MESA
:
1049 CHECK_EXTENSION(MESA_tile_raster_order
, cap
);
1050 if (ctx
->TileRasterOrderFixed
!= state
) {
1051 FLUSH_VERTICES(ctx
, 0);
1052 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewTileRasterOrder
;
1053 ctx
->TileRasterOrderFixed
= state
;
1057 case GL_TILE_RASTER_ORDER_INCREASING_X_MESA
:
1058 CHECK_EXTENSION(MESA_tile_raster_order
, cap
);
1059 if (ctx
->TileRasterOrderIncreasingX
!= state
) {
1060 FLUSH_VERTICES(ctx
, 0);
1061 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewTileRasterOrder
;
1062 ctx
->TileRasterOrderIncreasingX
= state
;
1066 case GL_TILE_RASTER_ORDER_INCREASING_Y_MESA
:
1067 CHECK_EXTENSION(MESA_tile_raster_order
, cap
);
1068 if (ctx
->TileRasterOrderIncreasingY
!= state
) {
1069 FLUSH_VERTICES(ctx
, 0);
1070 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewTileRasterOrder
;
1071 ctx
->TileRasterOrderIncreasingY
= state
;
1075 /* GL 3.1 primitive restart. Note: this enum is different from
1076 * GL_PRIMITIVE_RESTART_NV (which is client state).
1078 case GL_PRIMITIVE_RESTART
:
1079 if (!_mesa_is_desktop_gl(ctx
) || ctx
->Version
< 31) {
1080 goto invalid_enum_error
;
1082 if (ctx
->Array
.PrimitiveRestart
!= state
) {
1083 FLUSH_VERTICES(ctx
, 0);
1084 ctx
->Array
.PrimitiveRestart
= state
;
1085 update_derived_primitive_restart_state(ctx
);
1089 case GL_PRIMITIVE_RESTART_FIXED_INDEX
:
1090 if (!_mesa_is_gles3(ctx
) && !ctx
->Extensions
.ARB_ES3_compatibility
)
1091 goto invalid_enum_error
;
1092 if (ctx
->Array
.PrimitiveRestartFixedIndex
!= state
) {
1093 FLUSH_VERTICES(ctx
, 0);
1094 ctx
->Array
.PrimitiveRestartFixedIndex
= state
;
1095 update_derived_primitive_restart_state(ctx
);
1099 /* GL3.0 - GL_framebuffer_sRGB */
1100 case GL_FRAMEBUFFER_SRGB_EXT
:
1101 if (!_mesa_is_desktop_gl(ctx
))
1102 goto invalid_enum_error
;
1103 CHECK_EXTENSION(EXT_framebuffer_sRGB
, cap
);
1104 _mesa_set_framebuffer_srgb(ctx
, state
);
1107 /* GL_OES_EGL_image_external */
1108 case GL_TEXTURE_EXTERNAL_OES
:
1109 if (!_mesa_is_gles(ctx
))
1110 goto invalid_enum_error
;
1111 CHECK_EXTENSION(OES_EGL_image_external
, cap
);
1112 if (!enable_texture(ctx
, state
, TEXTURE_EXTERNAL_BIT
)) {
1117 /* ARB_texture_multisample */
1118 case GL_SAMPLE_MASK
:
1119 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles31(ctx
))
1120 goto invalid_enum_error
;
1121 CHECK_EXTENSION(ARB_texture_multisample
, cap
);
1122 if (ctx
->Multisample
.SampleMask
== state
)
1124 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewSampleMask
? 0 :
1126 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewSampleMask
;
1127 ctx
->Multisample
.SampleMask
= state
;
1130 case GL_BLEND_ADVANCED_COHERENT_KHR
:
1131 CHECK_EXTENSION(KHR_blend_equation_advanced_coherent
, cap
);
1132 if (ctx
->Color
.BlendCoherent
== state
)
1134 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewBlend
? 0 : _NEW_COLOR
);
1135 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewBlend
;
1136 ctx
->Color
.BlendCoherent
= state
;
1140 goto invalid_enum_error
;
1143 if (ctx
->Driver
.Enable
) {
1144 ctx
->Driver
.Enable( ctx
, cap
, state
);
1150 _mesa_error(ctx
, GL_INVALID_ENUM
, "gl%s(%s)",
1151 state
? "Enable" : "Disable", _mesa_enum_to_string(cap
));
1156 * Enable GL capability. Called by glEnable()
1157 * \param cap state to enable.
1160 _mesa_Enable( GLenum cap
)
1162 GET_CURRENT_CONTEXT(ctx
);
1164 _mesa_set_enable( ctx
, cap
, GL_TRUE
);
1169 * Disable GL capability. Called by glDisable()
1170 * \param cap state to disable.
1173 _mesa_Disable( GLenum cap
)
1175 GET_CURRENT_CONTEXT(ctx
);
1177 _mesa_set_enable( ctx
, cap
, GL_FALSE
);
1183 * Enable/disable an indexed state var.
1186 _mesa_set_enablei(struct gl_context
*ctx
, GLenum cap
,
1187 GLuint index
, GLboolean state
)
1189 assert(state
== 0 || state
== 1);
1192 if (!ctx
->Extensions
.EXT_draw_buffers2
) {
1193 goto invalid_enum_error
;
1195 if (index
>= ctx
->Const
.MaxDrawBuffers
) {
1196 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(index=%u)",
1197 state
? "glEnableIndexed" : "glDisableIndexed", index
);
1200 if (((ctx
->Color
.BlendEnabled
>> index
) & 1) != state
) {
1201 _mesa_flush_vertices_for_blend_state(ctx
);
1203 ctx
->Color
.BlendEnabled
|= (1 << index
);
1205 ctx
->Color
.BlendEnabled
&= ~(1 << index
);
1208 case GL_SCISSOR_TEST
:
1209 if (index
>= ctx
->Const
.MaxViewports
) {
1210 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(index=%u)",
1211 state
? "glEnablei" : "glDisablei", index
);
1214 if (((ctx
->Scissor
.EnableFlags
>> index
) & 1) != state
) {
1216 ctx
->DriverFlags
.NewScissorTest
? 0 : _NEW_SCISSOR
);
1217 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewScissorTest
;
1219 ctx
->Scissor
.EnableFlags
|= (1 << index
);
1221 ctx
->Scissor
.EnableFlags
&= ~(1 << index
);
1225 goto invalid_enum_error
;
1230 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(cap=%s)",
1231 state
? "glEnablei" : "glDisablei",
1232 _mesa_enum_to_string(cap
));
1237 _mesa_Disablei( GLenum cap
, GLuint index
)
1239 GET_CURRENT_CONTEXT(ctx
);
1240 _mesa_set_enablei(ctx
, cap
, index
, GL_FALSE
);
1245 _mesa_Enablei( GLenum cap
, GLuint index
)
1247 GET_CURRENT_CONTEXT(ctx
);
1248 _mesa_set_enablei(ctx
, cap
, index
, GL_TRUE
);
1252 GLboolean GLAPIENTRY
1253 _mesa_IsEnabledi( GLenum cap
, GLuint index
)
1255 GET_CURRENT_CONTEXT(ctx
);
1256 ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx
, 0);
1259 if (index
>= ctx
->Const
.MaxDrawBuffers
) {
1260 _mesa_error(ctx
, GL_INVALID_VALUE
, "glIsEnabledIndexed(index=%u)",
1264 return (ctx
->Color
.BlendEnabled
>> index
) & 1;
1265 case GL_SCISSOR_TEST
:
1266 if (index
>= ctx
->Const
.MaxViewports
) {
1267 _mesa_error(ctx
, GL_INVALID_VALUE
, "glIsEnabledIndexed(index=%u)",
1271 return (ctx
->Scissor
.EnableFlags
>> index
) & 1;
1273 _mesa_error(ctx
, GL_INVALID_ENUM
, "glIsEnabledIndexed(cap=%s)",
1274 _mesa_enum_to_string(cap
));
1282 #undef CHECK_EXTENSION
1283 #define CHECK_EXTENSION(EXTNAME) \
1284 if (!ctx->Extensions.EXTNAME) { \
1285 goto invalid_enum_error; \
1288 #undef CHECK_EXTENSION2
1289 #define CHECK_EXTENSION2(EXT1, EXT2) \
1290 if (!ctx->Extensions.EXT1 && !ctx->Extensions.EXT2) { \
1291 goto invalid_enum_error; \
1296 * Helper function to determine whether a texture target is enabled.
1299 is_texture_enabled(struct gl_context
*ctx
, GLbitfield bit
)
1301 const struct gl_texture_unit
*const texUnit
=
1302 &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
1303 return (texUnit
->Enabled
& bit
) ? GL_TRUE
: GL_FALSE
;
1308 * Return simple enable/disable state.
1310 * \param cap state variable to query.
1312 * Returns the state of the specified capability from the current GL context.
1313 * For the capabilities associated with extensions verifies that those
1314 * extensions are effectively present before reporting.
1316 GLboolean GLAPIENTRY
1317 _mesa_IsEnabled( GLenum cap
)
1319 GET_CURRENT_CONTEXT(ctx
);
1320 ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx
, 0);
1324 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1325 goto invalid_enum_error
;
1326 return ctx
->Color
.AlphaEnabled
;
1327 case GL_AUTO_NORMAL
:
1328 if (ctx
->API
!= API_OPENGL_COMPAT
)
1329 goto invalid_enum_error
;
1330 return ctx
->Eval
.AutoNormal
;
1332 return ctx
->Color
.BlendEnabled
& 1; /* return state for buffer[0] */
1333 case GL_CLIP_DISTANCE0
: /* aka GL_CLIP_PLANE0 */
1334 case GL_CLIP_DISTANCE1
:
1335 case GL_CLIP_DISTANCE2
:
1336 case GL_CLIP_DISTANCE3
:
1337 case GL_CLIP_DISTANCE4
:
1338 case GL_CLIP_DISTANCE5
:
1339 case GL_CLIP_DISTANCE6
:
1340 case GL_CLIP_DISTANCE7
: {
1341 const GLuint p
= cap
- GL_CLIP_DISTANCE0
;
1343 if (p
>= ctx
->Const
.MaxClipPlanes
)
1344 goto invalid_enum_error
;
1346 return (ctx
->Transform
.ClipPlanesEnabled
>> p
) & 1;
1348 case GL_COLOR_MATERIAL
:
1349 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1350 goto invalid_enum_error
;
1351 return ctx
->Light
.ColorMaterialEnabled
;
1353 return ctx
->Polygon
.CullFlag
;
1354 case GL_DEBUG_OUTPUT
:
1355 case GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB
:
1356 return (GLboolean
) _mesa_get_debug_state_int(ctx
, cap
);
1358 return ctx
->Depth
.Test
;
1360 return ctx
->Color
.DitherFlag
;
1362 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1363 goto invalid_enum_error
;
1364 return ctx
->Fog
.Enabled
;
1366 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1367 goto invalid_enum_error
;
1368 return ctx
->Light
.Enabled
;
1377 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1378 goto invalid_enum_error
;
1379 return ctx
->Light
.Light
[cap
-GL_LIGHT0
].Enabled
;
1380 case GL_LINE_SMOOTH
:
1381 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
1382 goto invalid_enum_error
;
1383 return ctx
->Line
.SmoothFlag
;
1384 case GL_LINE_STIPPLE
:
1385 if (ctx
->API
!= API_OPENGL_COMPAT
)
1386 goto invalid_enum_error
;
1387 return ctx
->Line
.StippleFlag
;
1388 case GL_INDEX_LOGIC_OP
:
1389 if (ctx
->API
!= API_OPENGL_COMPAT
)
1390 goto invalid_enum_error
;
1391 return ctx
->Color
.IndexLogicOpEnabled
;
1392 case GL_COLOR_LOGIC_OP
:
1393 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
1394 goto invalid_enum_error
;
1395 return ctx
->Color
.ColorLogicOpEnabled
;
1396 case GL_MAP1_COLOR_4
:
1397 if (ctx
->API
!= API_OPENGL_COMPAT
)
1398 goto invalid_enum_error
;
1399 return ctx
->Eval
.Map1Color4
;
1401 if (ctx
->API
!= API_OPENGL_COMPAT
)
1402 goto invalid_enum_error
;
1403 return ctx
->Eval
.Map1Index
;
1404 case GL_MAP1_NORMAL
:
1405 if (ctx
->API
!= API_OPENGL_COMPAT
)
1406 goto invalid_enum_error
;
1407 return ctx
->Eval
.Map1Normal
;
1408 case GL_MAP1_TEXTURE_COORD_1
:
1409 if (ctx
->API
!= API_OPENGL_COMPAT
)
1410 goto invalid_enum_error
;
1411 return ctx
->Eval
.Map1TextureCoord1
;
1412 case GL_MAP1_TEXTURE_COORD_2
:
1413 if (ctx
->API
!= API_OPENGL_COMPAT
)
1414 goto invalid_enum_error
;
1415 return ctx
->Eval
.Map1TextureCoord2
;
1416 case GL_MAP1_TEXTURE_COORD_3
:
1417 if (ctx
->API
!= API_OPENGL_COMPAT
)
1418 goto invalid_enum_error
;
1419 return ctx
->Eval
.Map1TextureCoord3
;
1420 case GL_MAP1_TEXTURE_COORD_4
:
1421 if (ctx
->API
!= API_OPENGL_COMPAT
)
1422 goto invalid_enum_error
;
1423 return ctx
->Eval
.Map1TextureCoord4
;
1424 case GL_MAP1_VERTEX_3
:
1425 if (ctx
->API
!= API_OPENGL_COMPAT
)
1426 goto invalid_enum_error
;
1427 return ctx
->Eval
.Map1Vertex3
;
1428 case GL_MAP1_VERTEX_4
:
1429 if (ctx
->API
!= API_OPENGL_COMPAT
)
1430 goto invalid_enum_error
;
1431 return ctx
->Eval
.Map1Vertex4
;
1432 case GL_MAP2_COLOR_4
:
1433 if (ctx
->API
!= API_OPENGL_COMPAT
)
1434 goto invalid_enum_error
;
1435 return ctx
->Eval
.Map2Color4
;
1437 if (ctx
->API
!= API_OPENGL_COMPAT
)
1438 goto invalid_enum_error
;
1439 return ctx
->Eval
.Map2Index
;
1440 case GL_MAP2_NORMAL
:
1441 if (ctx
->API
!= API_OPENGL_COMPAT
)
1442 goto invalid_enum_error
;
1443 return ctx
->Eval
.Map2Normal
;
1444 case GL_MAP2_TEXTURE_COORD_1
:
1445 if (ctx
->API
!= API_OPENGL_COMPAT
)
1446 goto invalid_enum_error
;
1447 return ctx
->Eval
.Map2TextureCoord1
;
1448 case GL_MAP2_TEXTURE_COORD_2
:
1449 if (ctx
->API
!= API_OPENGL_COMPAT
)
1450 goto invalid_enum_error
;
1451 return ctx
->Eval
.Map2TextureCoord2
;
1452 case GL_MAP2_TEXTURE_COORD_3
:
1453 if (ctx
->API
!= API_OPENGL_COMPAT
)
1454 goto invalid_enum_error
;
1455 return ctx
->Eval
.Map2TextureCoord3
;
1456 case GL_MAP2_TEXTURE_COORD_4
:
1457 if (ctx
->API
!= API_OPENGL_COMPAT
)
1458 goto invalid_enum_error
;
1459 return ctx
->Eval
.Map2TextureCoord4
;
1460 case GL_MAP2_VERTEX_3
:
1461 if (ctx
->API
!= API_OPENGL_COMPAT
)
1462 goto invalid_enum_error
;
1463 return ctx
->Eval
.Map2Vertex3
;
1464 case GL_MAP2_VERTEX_4
:
1465 if (ctx
->API
!= API_OPENGL_COMPAT
)
1466 goto invalid_enum_error
;
1467 return ctx
->Eval
.Map2Vertex4
;
1469 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1470 goto invalid_enum_error
;
1471 return ctx
->Transform
.Normalize
;
1472 case GL_POINT_SMOOTH
:
1473 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1474 goto invalid_enum_error
;
1475 return ctx
->Point
.SmoothFlag
;
1476 case GL_POLYGON_SMOOTH
:
1477 if (!_mesa_is_desktop_gl(ctx
))
1478 goto invalid_enum_error
;
1479 return ctx
->Polygon
.SmoothFlag
;
1480 case GL_POLYGON_STIPPLE
:
1481 if (ctx
->API
!= API_OPENGL_COMPAT
)
1482 goto invalid_enum_error
;
1483 return ctx
->Polygon
.StippleFlag
;
1484 case GL_POLYGON_OFFSET_POINT
:
1485 if (!_mesa_is_desktop_gl(ctx
))
1486 goto invalid_enum_error
;
1487 return ctx
->Polygon
.OffsetPoint
;
1488 case GL_POLYGON_OFFSET_LINE
:
1489 if (!_mesa_is_desktop_gl(ctx
))
1490 goto invalid_enum_error
;
1491 return ctx
->Polygon
.OffsetLine
;
1492 case GL_POLYGON_OFFSET_FILL
:
1493 return ctx
->Polygon
.OffsetFill
;
1494 case GL_RESCALE_NORMAL_EXT
:
1495 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1496 goto invalid_enum_error
;
1497 return ctx
->Transform
.RescaleNormals
;
1498 case GL_SCISSOR_TEST
:
1499 return ctx
->Scissor
.EnableFlags
& 1; /* return state for index 0 */
1500 case GL_STENCIL_TEST
:
1501 return ctx
->Stencil
.Enabled
;
1503 if (ctx
->API
!= API_OPENGL_COMPAT
)
1504 goto invalid_enum_error
;
1505 return is_texture_enabled(ctx
, TEXTURE_1D_BIT
);
1507 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1508 goto invalid_enum_error
;
1509 return is_texture_enabled(ctx
, TEXTURE_2D_BIT
);
1511 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1512 goto invalid_enum_error
;
1513 return is_texture_enabled(ctx
, TEXTURE_3D_BIT
);
1514 case GL_TEXTURE_GEN_S
:
1515 case GL_TEXTURE_GEN_T
:
1516 case GL_TEXTURE_GEN_R
:
1517 case GL_TEXTURE_GEN_Q
:
1519 const struct gl_texture_unit
*texUnit
= get_texcoord_unit(ctx
);
1521 if (ctx
->API
!= API_OPENGL_COMPAT
)
1522 goto invalid_enum_error
;
1525 GLbitfield coordBit
= S_BIT
<< (cap
- GL_TEXTURE_GEN_S
);
1526 return (texUnit
->TexGenEnabled
& coordBit
) ? GL_TRUE
: GL_FALSE
;
1530 case GL_TEXTURE_GEN_STR_OES
:
1532 const struct gl_texture_unit
*texUnit
= get_texcoord_unit(ctx
);
1534 if (ctx
->API
!= API_OPENGLES
)
1535 goto invalid_enum_error
;
1538 return (texUnit
->TexGenEnabled
& STR_BITS
) == STR_BITS
1539 ? GL_TRUE
: GL_FALSE
;
1543 /* client-side state */
1544 case GL_VERTEX_ARRAY
:
1545 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1546 goto invalid_enum_error
;
1547 return ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_POS
].Enabled
;
1548 case GL_NORMAL_ARRAY
:
1549 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1550 goto invalid_enum_error
;
1551 return ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_NORMAL
].Enabled
;
1552 case GL_COLOR_ARRAY
:
1553 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1554 goto invalid_enum_error
;
1555 return ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_COLOR0
].Enabled
;
1556 case GL_INDEX_ARRAY
:
1557 if (ctx
->API
!= API_OPENGL_COMPAT
)
1558 goto invalid_enum_error
;
1559 return ctx
->Array
.VAO
->
1560 VertexAttrib
[VERT_ATTRIB_COLOR_INDEX
].Enabled
;
1561 case GL_TEXTURE_COORD_ARRAY
:
1562 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1563 goto invalid_enum_error
;
1564 return ctx
->Array
.VAO
->
1565 VertexAttrib
[VERT_ATTRIB_TEX(ctx
->Array
.ActiveTexture
)].Enabled
;
1566 case GL_EDGE_FLAG_ARRAY
:
1567 if (ctx
->API
!= API_OPENGL_COMPAT
)
1568 goto invalid_enum_error
;
1569 return ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_EDGEFLAG
].Enabled
;
1570 case GL_FOG_COORDINATE_ARRAY_EXT
:
1571 if (ctx
->API
!= API_OPENGL_COMPAT
)
1572 goto invalid_enum_error
;
1573 return ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_FOG
].Enabled
;
1574 case GL_SECONDARY_COLOR_ARRAY_EXT
:
1575 if (ctx
->API
!= API_OPENGL_COMPAT
)
1576 goto invalid_enum_error
;
1577 return ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_COLOR1
].Enabled
;
1578 case GL_POINT_SIZE_ARRAY_OES
:
1579 if (ctx
->API
!= API_OPENGLES
)
1580 goto invalid_enum_error
;
1581 return ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_POINT_SIZE
].Enabled
;
1583 /* GL_ARB_texture_cube_map */
1584 case GL_TEXTURE_CUBE_MAP
:
1585 CHECK_EXTENSION(ARB_texture_cube_map
);
1586 return is_texture_enabled(ctx
, TEXTURE_CUBE_BIT
);
1588 /* GL_EXT_secondary_color */
1589 case GL_COLOR_SUM_EXT
:
1590 if (ctx
->API
!= API_OPENGL_COMPAT
)
1591 goto invalid_enum_error
;
1592 return ctx
->Fog
.ColorSumEnabled
;
1594 /* GL_ARB_multisample */
1595 case GL_MULTISAMPLE_ARB
:
1596 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
1597 goto invalid_enum_error
;
1598 return ctx
->Multisample
.Enabled
;
1599 case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB
:
1600 return ctx
->Multisample
.SampleAlphaToCoverage
;
1601 case GL_SAMPLE_ALPHA_TO_ONE_ARB
:
1602 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
1603 goto invalid_enum_error
;
1604 return ctx
->Multisample
.SampleAlphaToOne
;
1605 case GL_SAMPLE_COVERAGE_ARB
:
1606 return ctx
->Multisample
.SampleCoverage
;
1607 case GL_SAMPLE_COVERAGE_INVERT_ARB
:
1608 if (!_mesa_is_desktop_gl(ctx
))
1609 goto invalid_enum_error
;
1610 return ctx
->Multisample
.SampleCoverageInvert
;
1612 /* GL_IBM_rasterpos_clip */
1613 case GL_RASTER_POSITION_UNCLIPPED_IBM
:
1614 if (ctx
->API
!= API_OPENGL_COMPAT
)
1615 goto invalid_enum_error
;
1616 return ctx
->Transform
.RasterPositionUnclipped
;
1618 /* GL_NV_point_sprite */
1619 case GL_POINT_SPRITE_NV
:
1620 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1621 goto invalid_enum_error
;
1622 CHECK_EXTENSION2(NV_point_sprite
, ARB_point_sprite
)
1623 return ctx
->Point
.PointSprite
;
1625 case GL_VERTEX_PROGRAM_ARB
:
1626 if (ctx
->API
!= API_OPENGL_COMPAT
)
1627 goto invalid_enum_error
;
1628 CHECK_EXTENSION(ARB_vertex_program
);
1629 return ctx
->VertexProgram
.Enabled
;
1630 case GL_VERTEX_PROGRAM_POINT_SIZE_ARB
:
1631 /* This was added with ARB_vertex_program, but it is also used with
1632 * GLSL vertex shaders on desktop.
1634 if (!_mesa_is_desktop_gl(ctx
))
1635 goto invalid_enum_error
;
1636 CHECK_EXTENSION(ARB_vertex_program
);
1637 return ctx
->VertexProgram
.PointSizeEnabled
;
1638 case GL_VERTEX_PROGRAM_TWO_SIDE_ARB
:
1639 if (ctx
->API
!= API_OPENGL_COMPAT
)
1640 goto invalid_enum_error
;
1641 CHECK_EXTENSION(ARB_vertex_program
);
1642 return ctx
->VertexProgram
.TwoSideEnabled
;
1644 /* GL_NV_texture_rectangle */
1645 case GL_TEXTURE_RECTANGLE_NV
:
1646 if (ctx
->API
!= API_OPENGL_COMPAT
)
1647 goto invalid_enum_error
;
1648 CHECK_EXTENSION(NV_texture_rectangle
);
1649 return is_texture_enabled(ctx
, TEXTURE_RECT_BIT
);
1651 /* GL_EXT_stencil_two_side */
1652 case GL_STENCIL_TEST_TWO_SIDE_EXT
:
1653 if (ctx
->API
!= API_OPENGL_COMPAT
)
1654 goto invalid_enum_error
;
1655 CHECK_EXTENSION(EXT_stencil_two_side
);
1656 return ctx
->Stencil
.TestTwoSide
;
1658 case GL_FRAGMENT_PROGRAM_ARB
:
1659 if (ctx
->API
!= API_OPENGL_COMPAT
)
1660 goto invalid_enum_error
;
1661 return ctx
->FragmentProgram
.Enabled
;
1663 /* GL_EXT_depth_bounds_test */
1664 case GL_DEPTH_BOUNDS_TEST_EXT
:
1665 if (!_mesa_is_desktop_gl(ctx
))
1666 goto invalid_enum_error
;
1667 CHECK_EXTENSION(EXT_depth_bounds_test
);
1668 return ctx
->Depth
.BoundsTest
;
1670 /* GL_ARB_depth_clamp */
1671 case GL_DEPTH_CLAMP
:
1672 if (!_mesa_is_desktop_gl(ctx
))
1673 goto invalid_enum_error
;
1674 CHECK_EXTENSION(ARB_depth_clamp
);
1675 return ctx
->Transform
.DepthClamp
;
1677 case GL_FRAGMENT_SHADER_ATI
:
1678 if (ctx
->API
!= API_OPENGL_COMPAT
)
1679 goto invalid_enum_error
;
1680 CHECK_EXTENSION(ATI_fragment_shader
);
1681 return ctx
->ATIFragmentShader
.Enabled
;
1683 case GL_TEXTURE_CUBE_MAP_SEAMLESS
:
1684 if (!_mesa_is_desktop_gl(ctx
))
1685 goto invalid_enum_error
;
1686 CHECK_EXTENSION(ARB_seamless_cube_map
);
1687 return ctx
->Texture
.CubeMapSeamless
;
1689 case GL_RASTERIZER_DISCARD
:
1690 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles3(ctx
))
1691 goto invalid_enum_error
;
1692 CHECK_EXTENSION(EXT_transform_feedback
);
1693 return ctx
->RasterDiscard
;
1695 /* GL_NV_primitive_restart */
1696 case GL_PRIMITIVE_RESTART_NV
:
1697 if (ctx
->API
!= API_OPENGL_COMPAT
|| !ctx
->Extensions
.NV_primitive_restart
) {
1698 goto invalid_enum_error
;
1700 return ctx
->Array
.PrimitiveRestart
;
1702 /* GL 3.1 primitive restart */
1703 case GL_PRIMITIVE_RESTART
:
1704 if (!_mesa_is_desktop_gl(ctx
) || ctx
->Version
< 31) {
1705 goto invalid_enum_error
;
1707 return ctx
->Array
.PrimitiveRestart
;
1709 case GL_PRIMITIVE_RESTART_FIXED_INDEX
:
1710 if (!_mesa_is_gles3(ctx
) && !ctx
->Extensions
.ARB_ES3_compatibility
) {
1711 goto invalid_enum_error
;
1713 return ctx
->Array
.PrimitiveRestartFixedIndex
;
1715 /* GL3.0 - GL_framebuffer_sRGB */
1716 case GL_FRAMEBUFFER_SRGB_EXT
:
1717 if (!_mesa_is_desktop_gl(ctx
))
1718 goto invalid_enum_error
;
1719 CHECK_EXTENSION(EXT_framebuffer_sRGB
);
1720 return ctx
->Color
.sRGBEnabled
;
1722 /* GL_OES_EGL_image_external */
1723 case GL_TEXTURE_EXTERNAL_OES
:
1724 if (!_mesa_is_gles(ctx
))
1725 goto invalid_enum_error
;
1726 CHECK_EXTENSION(OES_EGL_image_external
);
1727 return is_texture_enabled(ctx
, TEXTURE_EXTERNAL_BIT
);
1729 /* ARB_texture_multisample */
1730 case GL_SAMPLE_MASK
:
1731 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles31(ctx
))
1732 goto invalid_enum_error
;
1733 CHECK_EXTENSION(ARB_texture_multisample
);
1734 return ctx
->Multisample
.SampleMask
;
1736 /* ARB_sample_shading */
1737 case GL_SAMPLE_SHADING
:
1738 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles3(ctx
))
1739 goto invalid_enum_error
;
1740 CHECK_EXTENSION(ARB_sample_shading
);
1741 return ctx
->Multisample
.SampleShading
;
1743 case GL_BLEND_ADVANCED_COHERENT_KHR
:
1744 CHECK_EXTENSION(KHR_blend_equation_advanced_coherent
);
1745 return ctx
->Color
.BlendCoherent
;
1747 case GL_CONSERVATIVE_RASTERIZATION_INTEL
:
1748 CHECK_EXTENSION(INTEL_conservative_rasterization
);
1749 return ctx
->IntelConservativeRasterization
;
1751 case GL_TILE_RASTER_ORDER_FIXED_MESA
:
1752 CHECK_EXTENSION(MESA_tile_raster_order
);
1753 return ctx
->TileRasterOrderFixed
;
1755 case GL_TILE_RASTER_ORDER_INCREASING_X_MESA
:
1756 CHECK_EXTENSION(MESA_tile_raster_order
);
1757 return ctx
->TileRasterOrderIncreasingX
;
1759 case GL_TILE_RASTER_ORDER_INCREASING_Y_MESA
:
1760 CHECK_EXTENSION(MESA_tile_raster_order
);
1761 return ctx
->TileRasterOrderIncreasingY
;
1764 goto invalid_enum_error
;
1770 _mesa_error(ctx
, GL_INVALID_ENUM
, "glIsEnabled(%s)",
1771 _mesa_enum_to_string(cap
));