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"
48 update_derived_primitive_restart_state(struct gl_context
*ctx
)
50 /* Update derived primitive restart state.
52 ctx
->Array
._PrimitiveRestart
= ctx
->Array
.PrimitiveRestart
53 || ctx
->Array
.PrimitiveRestartFixedIndex
;
58 * Helper to enable/disable VAO client-side state.
61 vao_state(struct gl_context
*ctx
, gl_vert_attrib attr
, GLboolean state
)
64 _mesa_enable_vertex_array_attrib(ctx
, ctx
->Array
.VAO
, attr
);
66 _mesa_disable_vertex_array_attrib(ctx
, ctx
->Array
.VAO
, attr
);
71 * Helper to enable/disable client-side state.
74 client_state(struct gl_context
*ctx
, GLenum cap
, GLboolean state
)
78 vao_state(ctx
, VERT_ATTRIB_POS
, state
);
81 vao_state(ctx
, VERT_ATTRIB_NORMAL
, state
);
84 vao_state(ctx
, VERT_ATTRIB_COLOR0
, state
);
87 vao_state(ctx
, VERT_ATTRIB_COLOR_INDEX
, state
);
89 case GL_TEXTURE_COORD_ARRAY
:
90 vao_state(ctx
, VERT_ATTRIB_TEX(ctx
->Array
.ActiveTexture
), state
);
92 case GL_EDGE_FLAG_ARRAY
:
93 vao_state(ctx
, VERT_ATTRIB_EDGEFLAG
, state
);
95 case GL_FOG_COORDINATE_ARRAY_EXT
:
96 vao_state(ctx
, VERT_ATTRIB_FOG
, state
);
98 case GL_SECONDARY_COLOR_ARRAY_EXT
:
99 vao_state(ctx
, VERT_ATTRIB_COLOR1
, state
);
102 case GL_POINT_SIZE_ARRAY_OES
:
103 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
104 ctx
->VertexProgram
.PointSizeEnabled
= state
;
105 vao_state(ctx
, VERT_ATTRIB_POINT_SIZE
, state
);
108 /* GL_NV_primitive_restart */
109 case GL_PRIMITIVE_RESTART_NV
:
110 if (!_mesa_has_NV_primitive_restart(ctx
))
111 goto invalid_enum_error
;
112 if (ctx
->Array
.PrimitiveRestart
== state
)
115 FLUSH_VERTICES(ctx
, 0);
116 ctx
->Array
.PrimitiveRestart
= state
;
117 update_derived_primitive_restart_state(ctx
);
121 goto invalid_enum_error
;
124 if (ctx
->Driver
.Enable
) {
125 ctx
->Driver
.Enable( ctx
, cap
, state
);
131 _mesa_error(ctx
, GL_INVALID_ENUM
, "gl%sClientState(%s)",
132 state
? "Enable" : "Disable", _mesa_enum_to_string(cap
));
137 * Enable GL capability.
138 * \param cap state to enable/disable.
140 * Get's the current context, assures that we're outside glBegin()/glEnd() and
141 * calls client_state().
144 _mesa_EnableClientState( GLenum cap
)
146 GET_CURRENT_CONTEXT(ctx
);
147 client_state( ctx
, cap
, GL_TRUE
);
152 * Disable GL capability.
153 * \param cap state to enable/disable.
155 * Get's the current context, assures that we're outside glBegin()/glEnd() and
156 * calls client_state().
159 _mesa_DisableClientState( GLenum cap
)
161 GET_CURRENT_CONTEXT(ctx
);
162 client_state( ctx
, cap
, GL_FALSE
);
166 #define CHECK_EXTENSION(EXTNAME) \
167 if (!ctx->Extensions.EXTNAME) { \
168 goto invalid_enum_error; \
171 #define CHECK_EXTENSION2(EXT1, EXT2) \
172 if (!ctx->Extensions.EXT1 && !ctx->Extensions.EXT2) { \
173 goto invalid_enum_error; \
177 * Return pointer to current texture unit for setting/getting coordinate
179 * Note that we'll set GL_INVALID_OPERATION and return NULL if the active
180 * texture unit is higher than the number of supported coordinate units.
182 static struct gl_fixedfunc_texture_unit
*
183 get_texcoord_unit(struct gl_context
*ctx
)
185 if (ctx
->Texture
.CurrentUnit
>= ctx
->Const
.MaxTextureCoordUnits
) {
186 _mesa_error(ctx
, GL_INVALID_OPERATION
, "glEnable/Disable(texcoord unit)");
190 return &ctx
->Texture
.FixedFuncUnit
[ctx
->Texture
.CurrentUnit
];
196 * Helper function to enable or disable a texture target.
197 * \param bit one of the TEXTURE_x_BIT values
198 * \return GL_TRUE if state is changing or GL_FALSE if no change
201 enable_texture(struct gl_context
*ctx
, GLboolean state
, GLbitfield texBit
)
203 struct gl_fixedfunc_texture_unit
*texUnit
=
204 _mesa_get_current_fixedfunc_tex_unit(ctx
);
208 const GLbitfield newenabled
= state
209 ? (texUnit
->Enabled
| texBit
) : (texUnit
->Enabled
& ~texBit
);
211 if (texUnit
->Enabled
== newenabled
)
214 FLUSH_VERTICES(ctx
, _NEW_TEXTURE_STATE
);
215 texUnit
->Enabled
= newenabled
;
221 * Helper function to enable or disable GL_MULTISAMPLE, skipping the check for
222 * whether the API supports it (GLES doesn't).
225 _mesa_set_multisample(struct gl_context
*ctx
, GLboolean state
)
227 if (ctx
->Multisample
.Enabled
== state
)
230 /* GL compatibility needs Multisample.Enable to determine program state
233 if (ctx
->API
== API_OPENGL_COMPAT
|| ctx
->API
== API_OPENGLES
||
234 !ctx
->DriverFlags
.NewMultisampleEnable
) {
235 FLUSH_VERTICES(ctx
, _NEW_MULTISAMPLE
);
237 FLUSH_VERTICES(ctx
, 0);
240 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewMultisampleEnable
;
241 ctx
->Multisample
.Enabled
= state
;
243 if (ctx
->Driver
.Enable
) {
244 ctx
->Driver
.Enable(ctx
, GL_MULTISAMPLE
, state
);
249 * Helper function to enable or disable GL_FRAMEBUFFER_SRGB, skipping the
250 * check for whether the API supports it (GLES doesn't).
253 _mesa_set_framebuffer_srgb(struct gl_context
*ctx
, GLboolean state
)
255 if (ctx
->Color
.sRGBEnabled
== state
)
258 /* TODO: Switch i965 to the new flag and remove the conditional */
259 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewFramebufferSRGB
? 0 : _NEW_BUFFERS
);
260 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewFramebufferSRGB
;
261 ctx
->Color
.sRGBEnabled
= state
;
263 if (ctx
->Driver
.Enable
) {
264 ctx
->Driver
.Enable(ctx
, GL_FRAMEBUFFER_SRGB
, state
);
269 * Helper function to enable or disable state.
271 * \param ctx GL context.
272 * \param cap the state to enable/disable
273 * \param state whether to enable or disable the specified capability.
275 * Updates the current context and flushes the vertices as needed. For
276 * capabilities associated with extensions it verifies that those extensions
277 * are effectivly present before updating. Notifies the driver via
278 * dd_function_table::Enable.
281 _mesa_set_enable(struct gl_context
*ctx
, GLenum cap
, GLboolean state
)
283 if (MESA_VERBOSE
& VERBOSE_API
)
284 _mesa_debug(ctx
, "%s %s (newstate is %x)\n",
285 state
? "glEnable" : "glDisable",
286 _mesa_enum_to_string(cap
),
291 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
292 goto invalid_enum_error
;
293 if (ctx
->Color
.AlphaEnabled
== state
)
295 /* AlphaEnabled is used by the fixed-func fragment program */
296 FLUSH_VERTICES(ctx
, _NEW_COLOR
);
297 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewAlphaTest
;
298 ctx
->Color
.AlphaEnabled
= state
;
301 if (ctx
->API
!= API_OPENGL_COMPAT
)
302 goto invalid_enum_error
;
303 if (ctx
->Eval
.AutoNormal
== state
)
305 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
306 ctx
->Eval
.AutoNormal
= state
;
310 GLbitfield newEnabled
=
311 state
* ((1 << ctx
->Const
.MaxDrawBuffers
) - 1);
312 if (newEnabled
!= ctx
->Color
.BlendEnabled
) {
313 _mesa_flush_vertices_for_blend_adv(ctx
, newEnabled
,
314 ctx
->Color
._AdvancedBlendMode
);
315 ctx
->Color
.BlendEnabled
= newEnabled
;
319 case GL_CLIP_DISTANCE0
: /* aka GL_CLIP_PLANE0 */
320 case GL_CLIP_DISTANCE1
:
321 case GL_CLIP_DISTANCE2
:
322 case GL_CLIP_DISTANCE3
:
323 case GL_CLIP_DISTANCE4
:
324 case GL_CLIP_DISTANCE5
:
325 case GL_CLIP_DISTANCE6
:
326 case GL_CLIP_DISTANCE7
:
328 const GLuint p
= cap
- GL_CLIP_DISTANCE0
;
330 if (p
>= ctx
->Const
.MaxClipPlanes
)
331 goto invalid_enum_error
;
333 if ((ctx
->Transform
.ClipPlanesEnabled
& (1 << p
))
334 == ((GLuint
) state
<< p
))
337 /* The compatibility profile needs _NEW_TRANSFORM to transform
338 * clip planes according to the projection matrix.
340 if (ctx
->API
== API_OPENGL_COMPAT
|| ctx
->API
== API_OPENGLES
||
341 !ctx
->DriverFlags
.NewClipPlaneEnable
) {
342 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
344 FLUSH_VERTICES(ctx
, 0);
346 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewClipPlaneEnable
;
349 ctx
->Transform
.ClipPlanesEnabled
|= (1 << p
);
351 /* The projection matrix transforms the clip plane. */
352 /* TODO: glEnable might not be the best place to do it. */
353 if (ctx
->API
== API_OPENGL_COMPAT
|| ctx
->API
== API_OPENGLES
) {
354 _mesa_update_clip_plane(ctx
, p
);
355 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewClipPlane
;
359 ctx
->Transform
.ClipPlanesEnabled
&= ~(1 << p
);
363 case GL_COLOR_MATERIAL
:
364 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
365 goto invalid_enum_error
;
366 if (ctx
->Light
.ColorMaterialEnabled
== state
)
368 FLUSH_VERTICES(ctx
, _NEW_LIGHT
);
369 FLUSH_CURRENT(ctx
, 0);
370 ctx
->Light
.ColorMaterialEnabled
= state
;
372 _mesa_update_color_material( ctx
,
373 ctx
->Current
.Attrib
[VERT_ATTRIB_COLOR0
] );
377 if (ctx
->Polygon
.CullFlag
== state
)
380 ctx
->DriverFlags
.NewPolygonState
? 0 : _NEW_POLYGON
);
381 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewPolygonState
;
382 ctx
->Polygon
.CullFlag
= state
;
385 if (ctx
->Depth
.Test
== state
)
387 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewDepth
? 0 : _NEW_DEPTH
);
388 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewDepth
;
389 ctx
->Depth
.Test
= state
;
391 case GL_DEBUG_OUTPUT
:
392 case GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB
:
393 _mesa_set_debug_state_int(ctx
, cap
, state
);
396 if (ctx
->Color
.DitherFlag
== state
)
398 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewBlend
? 0 : _NEW_COLOR
);
399 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewBlend
;
400 ctx
->Color
.DitherFlag
= state
;
403 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
404 goto invalid_enum_error
;
405 if (ctx
->Fog
.Enabled
== state
)
407 FLUSH_VERTICES(ctx
, _NEW_FOG
);
408 ctx
->Fog
.Enabled
= state
;
409 ctx
->Fog
._PackedEnabledMode
= state
? ctx
->Fog
._PackedMode
: FOG_NONE
;
419 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
420 goto invalid_enum_error
;
421 if (ctx
->Light
.Light
[cap
-GL_LIGHT0
].Enabled
== state
)
423 FLUSH_VERTICES(ctx
, _NEW_LIGHT
);
424 ctx
->Light
.Light
[cap
-GL_LIGHT0
].Enabled
= state
;
426 ctx
->Light
._EnabledLights
|= 1u << (cap
- GL_LIGHT0
);
429 ctx
->Light
._EnabledLights
&= ~(1u << (cap
- GL_LIGHT0
));
433 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
434 goto invalid_enum_error
;
435 if (ctx
->Light
.Enabled
== state
)
437 FLUSH_VERTICES(ctx
, _NEW_LIGHT
);
438 ctx
->Light
.Enabled
= state
;
441 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
442 goto invalid_enum_error
;
443 if (ctx
->Line
.SmoothFlag
== state
)
445 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewLineState
? 0 : _NEW_LINE
);
446 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewLineState
;
447 ctx
->Line
.SmoothFlag
= state
;
449 case GL_LINE_STIPPLE
:
450 if (ctx
->API
!= API_OPENGL_COMPAT
)
451 goto invalid_enum_error
;
452 if (ctx
->Line
.StippleFlag
== state
)
454 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewLineState
? 0 : _NEW_LINE
);
455 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewLineState
;
456 ctx
->Line
.StippleFlag
= state
;
458 case GL_INDEX_LOGIC_OP
:
459 if (ctx
->API
!= API_OPENGL_COMPAT
)
460 goto invalid_enum_error
;
461 if (ctx
->Color
.IndexLogicOpEnabled
== state
)
463 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewLogicOp
? 0 : _NEW_COLOR
);
464 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewLogicOp
;
465 ctx
->Color
.IndexLogicOpEnabled
= state
;
467 case GL_CONSERVATIVE_RASTERIZATION_INTEL
:
468 if (!_mesa_has_INTEL_conservative_rasterization(ctx
))
469 goto invalid_enum_error
;
470 if (ctx
->IntelConservativeRasterization
== state
)
472 FLUSH_VERTICES(ctx
, 0);
473 ctx
->NewDriverState
|=
474 ctx
->DriverFlags
.NewIntelConservativeRasterization
;
475 ctx
->IntelConservativeRasterization
= state
;
477 case GL_CONSERVATIVE_RASTERIZATION_NV
:
478 if (!_mesa_has_NV_conservative_raster(ctx
))
479 goto invalid_enum_error
;
480 if (ctx
->ConservativeRasterization
== state
)
482 FLUSH_VERTICES(ctx
, 0);
483 ctx
->NewDriverState
|=
484 ctx
->DriverFlags
.NewNvConservativeRasterization
;
485 ctx
->ConservativeRasterization
= state
;
487 case GL_COLOR_LOGIC_OP
:
488 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
489 goto invalid_enum_error
;
490 if (ctx
->Color
.ColorLogicOpEnabled
== state
)
492 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewLogicOp
? 0 : _NEW_COLOR
);
493 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewLogicOp
;
494 ctx
->Color
.ColorLogicOpEnabled
= state
;
496 case GL_MAP1_COLOR_4
:
497 if (ctx
->API
!= API_OPENGL_COMPAT
)
498 goto invalid_enum_error
;
499 if (ctx
->Eval
.Map1Color4
== state
)
501 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
502 ctx
->Eval
.Map1Color4
= state
;
505 if (ctx
->API
!= API_OPENGL_COMPAT
)
506 goto invalid_enum_error
;
507 if (ctx
->Eval
.Map1Index
== state
)
509 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
510 ctx
->Eval
.Map1Index
= state
;
513 if (ctx
->API
!= API_OPENGL_COMPAT
)
514 goto invalid_enum_error
;
515 if (ctx
->Eval
.Map1Normal
== state
)
517 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
518 ctx
->Eval
.Map1Normal
= state
;
520 case GL_MAP1_TEXTURE_COORD_1
:
521 if (ctx
->API
!= API_OPENGL_COMPAT
)
522 goto invalid_enum_error
;
523 if (ctx
->Eval
.Map1TextureCoord1
== state
)
525 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
526 ctx
->Eval
.Map1TextureCoord1
= state
;
528 case GL_MAP1_TEXTURE_COORD_2
:
529 if (ctx
->API
!= API_OPENGL_COMPAT
)
530 goto invalid_enum_error
;
531 if (ctx
->Eval
.Map1TextureCoord2
== state
)
533 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
534 ctx
->Eval
.Map1TextureCoord2
= state
;
536 case GL_MAP1_TEXTURE_COORD_3
:
537 if (ctx
->API
!= API_OPENGL_COMPAT
)
538 goto invalid_enum_error
;
539 if (ctx
->Eval
.Map1TextureCoord3
== state
)
541 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
542 ctx
->Eval
.Map1TextureCoord3
= state
;
544 case GL_MAP1_TEXTURE_COORD_4
:
545 if (ctx
->API
!= API_OPENGL_COMPAT
)
546 goto invalid_enum_error
;
547 if (ctx
->Eval
.Map1TextureCoord4
== state
)
549 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
550 ctx
->Eval
.Map1TextureCoord4
= state
;
552 case GL_MAP1_VERTEX_3
:
553 if (ctx
->API
!= API_OPENGL_COMPAT
)
554 goto invalid_enum_error
;
555 if (ctx
->Eval
.Map1Vertex3
== state
)
557 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
558 ctx
->Eval
.Map1Vertex3
= state
;
560 case GL_MAP1_VERTEX_4
:
561 if (ctx
->API
!= API_OPENGL_COMPAT
)
562 goto invalid_enum_error
;
563 if (ctx
->Eval
.Map1Vertex4
== state
)
565 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
566 ctx
->Eval
.Map1Vertex4
= state
;
568 case GL_MAP2_COLOR_4
:
569 if (ctx
->API
!= API_OPENGL_COMPAT
)
570 goto invalid_enum_error
;
571 if (ctx
->Eval
.Map2Color4
== state
)
573 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
574 ctx
->Eval
.Map2Color4
= state
;
577 if (ctx
->API
!= API_OPENGL_COMPAT
)
578 goto invalid_enum_error
;
579 if (ctx
->Eval
.Map2Index
== state
)
581 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
582 ctx
->Eval
.Map2Index
= state
;
585 if (ctx
->API
!= API_OPENGL_COMPAT
)
586 goto invalid_enum_error
;
587 if (ctx
->Eval
.Map2Normal
== state
)
589 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
590 ctx
->Eval
.Map2Normal
= state
;
592 case GL_MAP2_TEXTURE_COORD_1
:
593 if (ctx
->API
!= API_OPENGL_COMPAT
)
594 goto invalid_enum_error
;
595 if (ctx
->Eval
.Map2TextureCoord1
== state
)
597 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
598 ctx
->Eval
.Map2TextureCoord1
= state
;
600 case GL_MAP2_TEXTURE_COORD_2
:
601 if (ctx
->API
!= API_OPENGL_COMPAT
)
602 goto invalid_enum_error
;
603 if (ctx
->Eval
.Map2TextureCoord2
== state
)
605 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
606 ctx
->Eval
.Map2TextureCoord2
= state
;
608 case GL_MAP2_TEXTURE_COORD_3
:
609 if (ctx
->API
!= API_OPENGL_COMPAT
)
610 goto invalid_enum_error
;
611 if (ctx
->Eval
.Map2TextureCoord3
== state
)
613 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
614 ctx
->Eval
.Map2TextureCoord3
= state
;
616 case GL_MAP2_TEXTURE_COORD_4
:
617 if (ctx
->API
!= API_OPENGL_COMPAT
)
618 goto invalid_enum_error
;
619 if (ctx
->Eval
.Map2TextureCoord4
== state
)
621 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
622 ctx
->Eval
.Map2TextureCoord4
= state
;
624 case GL_MAP2_VERTEX_3
:
625 if (ctx
->API
!= API_OPENGL_COMPAT
)
626 goto invalid_enum_error
;
627 if (ctx
->Eval
.Map2Vertex3
== state
)
629 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
630 ctx
->Eval
.Map2Vertex3
= state
;
632 case GL_MAP2_VERTEX_4
:
633 if (ctx
->API
!= API_OPENGL_COMPAT
)
634 goto invalid_enum_error
;
635 if (ctx
->Eval
.Map2Vertex4
== state
)
637 FLUSH_VERTICES(ctx
, _NEW_EVAL
);
638 ctx
->Eval
.Map2Vertex4
= state
;
641 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
642 goto invalid_enum_error
;
643 if (ctx
->Transform
.Normalize
== state
)
645 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
646 ctx
->Transform
.Normalize
= state
;
648 case GL_POINT_SMOOTH
:
649 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
650 goto invalid_enum_error
;
651 if (ctx
->Point
.SmoothFlag
== state
)
653 FLUSH_VERTICES(ctx
, _NEW_POINT
);
654 ctx
->Point
.SmoothFlag
= state
;
656 case GL_POLYGON_SMOOTH
:
657 if (!_mesa_is_desktop_gl(ctx
))
658 goto invalid_enum_error
;
659 if (ctx
->Polygon
.SmoothFlag
== state
)
662 ctx
->DriverFlags
.NewPolygonState
? 0 : _NEW_POLYGON
);
663 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewPolygonState
;
664 ctx
->Polygon
.SmoothFlag
= state
;
666 case GL_POLYGON_STIPPLE
:
667 if (ctx
->API
!= API_OPENGL_COMPAT
)
668 goto invalid_enum_error
;
669 if (ctx
->Polygon
.StippleFlag
== state
)
672 ctx
->DriverFlags
.NewPolygonState
? 0 : _NEW_POLYGON
);
673 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewPolygonState
;
674 ctx
->Polygon
.StippleFlag
= state
;
676 case GL_POLYGON_OFFSET_POINT
:
677 if (!_mesa_is_desktop_gl(ctx
))
678 goto invalid_enum_error
;
679 if (ctx
->Polygon
.OffsetPoint
== state
)
682 ctx
->DriverFlags
.NewPolygonState
? 0 : _NEW_POLYGON
);
683 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewPolygonState
;
684 ctx
->Polygon
.OffsetPoint
= state
;
686 case GL_POLYGON_OFFSET_LINE
:
687 if (!_mesa_is_desktop_gl(ctx
))
688 goto invalid_enum_error
;
689 if (ctx
->Polygon
.OffsetLine
== state
)
692 ctx
->DriverFlags
.NewPolygonState
? 0 : _NEW_POLYGON
);
693 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewPolygonState
;
694 ctx
->Polygon
.OffsetLine
= state
;
696 case GL_POLYGON_OFFSET_FILL
:
697 if (ctx
->Polygon
.OffsetFill
== state
)
700 ctx
->DriverFlags
.NewPolygonState
? 0 : _NEW_POLYGON
);
701 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewPolygonState
;
702 ctx
->Polygon
.OffsetFill
= state
;
704 case GL_RESCALE_NORMAL_EXT
:
705 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
706 goto invalid_enum_error
;
707 if (ctx
->Transform
.RescaleNormals
== state
)
709 FLUSH_VERTICES(ctx
, _NEW_TRANSFORM
);
710 ctx
->Transform
.RescaleNormals
= state
;
712 case GL_SCISSOR_TEST
:
714 /* Must expand glEnable to all scissors */
715 GLbitfield newEnabled
=
716 state
* ((1 << ctx
->Const
.MaxViewports
) - 1);
717 if (newEnabled
!= ctx
->Scissor
.EnableFlags
) {
718 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewScissorTest
? 0 :
720 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewScissorTest
;
721 ctx
->Scissor
.EnableFlags
= newEnabled
;
725 case GL_STENCIL_TEST
:
726 if (ctx
->Stencil
.Enabled
== state
)
728 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewStencil
? 0 : _NEW_STENCIL
);
729 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewStencil
;
730 ctx
->Stencil
.Enabled
= state
;
733 if (ctx
->API
!= API_OPENGL_COMPAT
)
734 goto invalid_enum_error
;
735 if (!enable_texture(ctx
, state
, TEXTURE_1D_BIT
)) {
740 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
741 goto invalid_enum_error
;
742 if (!enable_texture(ctx
, state
, TEXTURE_2D_BIT
)) {
747 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
748 goto invalid_enum_error
;
749 if (!enable_texture(ctx
, state
, TEXTURE_3D_BIT
)) {
753 case GL_TEXTURE_GEN_S
:
754 case GL_TEXTURE_GEN_T
:
755 case GL_TEXTURE_GEN_R
:
756 case GL_TEXTURE_GEN_Q
:
758 struct gl_fixedfunc_texture_unit
*texUnit
= get_texcoord_unit(ctx
);
760 if (ctx
->API
!= API_OPENGL_COMPAT
)
761 goto invalid_enum_error
;
764 GLbitfield coordBit
= S_BIT
<< (cap
- GL_TEXTURE_GEN_S
);
765 GLbitfield newenabled
= texUnit
->TexGenEnabled
& ~coordBit
;
767 newenabled
|= coordBit
;
768 if (texUnit
->TexGenEnabled
== newenabled
)
770 FLUSH_VERTICES(ctx
, _NEW_TEXTURE_STATE
);
771 texUnit
->TexGenEnabled
= newenabled
;
776 case GL_TEXTURE_GEN_STR_OES
:
777 /* disable S, T, and R at the same time */
779 struct gl_fixedfunc_texture_unit
*texUnit
= get_texcoord_unit(ctx
);
781 if (ctx
->API
!= API_OPENGLES
)
782 goto invalid_enum_error
;
786 texUnit
->TexGenEnabled
& ~STR_BITS
;
788 newenabled
|= STR_BITS
;
789 if (texUnit
->TexGenEnabled
== newenabled
)
791 FLUSH_VERTICES(ctx
, _NEW_TEXTURE_STATE
);
792 texUnit
->TexGenEnabled
= newenabled
;
797 /* client-side state */
798 case GL_VERTEX_ARRAY
:
799 case GL_NORMAL_ARRAY
:
801 case GL_TEXTURE_COORD_ARRAY
:
802 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
803 goto invalid_enum_error
;
804 client_state( ctx
, cap
, state
);
807 case GL_EDGE_FLAG_ARRAY
:
808 case GL_FOG_COORDINATE_ARRAY_EXT
:
809 case GL_SECONDARY_COLOR_ARRAY_EXT
:
810 if (ctx
->API
!= API_OPENGL_COMPAT
)
811 goto invalid_enum_error
;
812 client_state( ctx
, cap
, state
);
814 case GL_POINT_SIZE_ARRAY_OES
:
815 if (ctx
->API
!= API_OPENGLES
)
816 goto invalid_enum_error
;
817 client_state( ctx
, cap
, state
);
820 /* GL_ARB_texture_cube_map */
821 case GL_TEXTURE_CUBE_MAP
:
822 if (!_mesa_has_ARB_texture_cube_map(ctx
) &&
823 !_mesa_has_OES_texture_cube_map(ctx
))
824 goto invalid_enum_error
;
825 if (!enable_texture(ctx
, state
, TEXTURE_CUBE_BIT
)) {
830 /* GL_EXT_secondary_color */
831 case GL_COLOR_SUM_EXT
:
832 if (ctx
->API
!= API_OPENGL_COMPAT
)
833 goto invalid_enum_error
;
834 if (ctx
->Fog
.ColorSumEnabled
== state
)
836 FLUSH_VERTICES(ctx
, _NEW_FOG
);
837 ctx
->Fog
.ColorSumEnabled
= state
;
840 /* GL_ARB_multisample */
841 case GL_MULTISAMPLE_ARB
:
842 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
843 goto invalid_enum_error
;
844 _mesa_set_multisample(ctx
, state
);
846 case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB
:
847 if (ctx
->Multisample
.SampleAlphaToCoverage
== state
)
849 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewSampleAlphaToXEnable
? 0 :
851 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewSampleAlphaToXEnable
;
852 ctx
->Multisample
.SampleAlphaToCoverage
= state
;
854 case GL_SAMPLE_ALPHA_TO_ONE_ARB
:
855 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
856 goto invalid_enum_error
;
857 if (ctx
->Multisample
.SampleAlphaToOne
== state
)
859 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewSampleAlphaToXEnable
? 0 :
861 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewSampleAlphaToXEnable
;
862 ctx
->Multisample
.SampleAlphaToOne
= state
;
864 case GL_SAMPLE_COVERAGE_ARB
:
865 if (ctx
->Multisample
.SampleCoverage
== state
)
867 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewSampleMask
? 0 :
869 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewSampleMask
;
870 ctx
->Multisample
.SampleCoverage
= state
;
872 case GL_SAMPLE_COVERAGE_INVERT_ARB
:
873 if (!_mesa_is_desktop_gl(ctx
))
874 goto invalid_enum_error
;
875 if (ctx
->Multisample
.SampleCoverageInvert
== state
)
877 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewSampleMask
? 0 :
879 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewSampleMask
;
880 ctx
->Multisample
.SampleCoverageInvert
= state
;
883 /* GL_ARB_sample_shading */
884 case GL_SAMPLE_SHADING
:
885 if (!_mesa_has_ARB_sample_shading(ctx
) && !_mesa_is_gles3(ctx
))
886 goto invalid_enum_error
;
887 if (ctx
->Multisample
.SampleShading
== state
)
889 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewSampleShading
? 0 :
891 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewSampleShading
;
892 ctx
->Multisample
.SampleShading
= state
;
895 /* GL_IBM_rasterpos_clip */
896 case GL_RASTER_POSITION_UNCLIPPED_IBM
:
897 if (ctx
->API
!= API_OPENGL_COMPAT
)
898 goto invalid_enum_error
;
899 if (ctx
->Transform
.RasterPositionUnclipped
== state
)
901 FLUSH_VERTICES(ctx
, 0);
902 ctx
->Transform
.RasterPositionUnclipped
= state
;
905 /* GL_NV_point_sprite */
906 case GL_POINT_SPRITE_NV
:
907 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
908 goto invalid_enum_error
;
909 CHECK_EXTENSION2(NV_point_sprite
, ARB_point_sprite
);
910 if (ctx
->Point
.PointSprite
== state
)
912 FLUSH_VERTICES(ctx
, _NEW_POINT
);
913 ctx
->Point
.PointSprite
= state
;
916 case GL_VERTEX_PROGRAM_ARB
:
917 if (ctx
->API
!= API_OPENGL_COMPAT
)
918 goto invalid_enum_error
;
919 CHECK_EXTENSION(ARB_vertex_program
);
920 if (ctx
->VertexProgram
.Enabled
== state
)
922 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
923 ctx
->VertexProgram
.Enabled
= state
;
924 _mesa_update_vertex_processing_mode(ctx
);
926 case GL_VERTEX_PROGRAM_POINT_SIZE_ARB
:
927 /* This was added with ARB_vertex_program, but it is also used with
928 * GLSL vertex shaders on desktop.
930 if (!_mesa_is_desktop_gl(ctx
))
931 goto invalid_enum_error
;
932 CHECK_EXTENSION(ARB_vertex_program
);
933 if (ctx
->VertexProgram
.PointSizeEnabled
== state
)
935 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
936 ctx
->VertexProgram
.PointSizeEnabled
= state
;
938 case GL_VERTEX_PROGRAM_TWO_SIDE_ARB
:
939 if (ctx
->API
!= API_OPENGL_COMPAT
)
940 goto invalid_enum_error
;
941 CHECK_EXTENSION(ARB_vertex_program
);
942 if (ctx
->VertexProgram
.TwoSideEnabled
== state
)
944 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
945 ctx
->VertexProgram
.TwoSideEnabled
= state
;
948 /* GL_NV_texture_rectangle */
949 case GL_TEXTURE_RECTANGLE_NV
:
950 if (ctx
->API
!= API_OPENGL_COMPAT
)
951 goto invalid_enum_error
;
952 CHECK_EXTENSION(NV_texture_rectangle
);
953 if (!enable_texture(ctx
, state
, TEXTURE_RECT_BIT
)) {
958 /* GL_EXT_stencil_two_side */
959 case GL_STENCIL_TEST_TWO_SIDE_EXT
:
960 if (ctx
->API
!= API_OPENGL_COMPAT
)
961 goto invalid_enum_error
;
962 CHECK_EXTENSION(EXT_stencil_two_side
);
963 if (ctx
->Stencil
.TestTwoSide
== state
)
965 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewStencil
? 0 : _NEW_STENCIL
);
966 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewStencil
;
967 ctx
->Stencil
.TestTwoSide
= state
;
969 ctx
->Stencil
._BackFace
= 2;
971 ctx
->Stencil
._BackFace
= 1;
975 case GL_FRAGMENT_PROGRAM_ARB
:
976 if (!_mesa_has_ARB_fragment_program(ctx
))
977 goto invalid_enum_error
;
978 if (ctx
->FragmentProgram
.Enabled
== state
)
980 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
981 ctx
->FragmentProgram
.Enabled
= state
;
984 /* GL_EXT_depth_bounds_test */
985 case GL_DEPTH_BOUNDS_TEST_EXT
:
986 if (!_mesa_is_desktop_gl(ctx
))
987 goto invalid_enum_error
;
988 CHECK_EXTENSION(EXT_depth_bounds_test
);
989 if (ctx
->Depth
.BoundsTest
== state
)
991 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewDepth
? 0 : _NEW_DEPTH
);
992 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewDepth
;
993 ctx
->Depth
.BoundsTest
= state
;
997 if (!_mesa_has_ARB_depth_clamp(ctx
) &&
998 !_mesa_has_EXT_depth_clamp(ctx
))
999 goto invalid_enum_error
;
1000 if (ctx
->Transform
.DepthClampNear
== state
&&
1001 ctx
->Transform
.DepthClampFar
== state
)
1003 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewDepthClamp
? 0 :
1005 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewDepthClamp
;
1006 ctx
->Transform
.DepthClampNear
= state
;
1007 ctx
->Transform
.DepthClampFar
= state
;
1010 case GL_DEPTH_CLAMP_NEAR_AMD
:
1011 if (!_mesa_is_desktop_gl(ctx
))
1012 goto invalid_enum_error
;
1013 CHECK_EXTENSION(AMD_depth_clamp_separate
);
1014 if (ctx
->Transform
.DepthClampNear
== state
)
1016 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewDepthClamp
? 0 :
1018 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewDepthClamp
;
1019 ctx
->Transform
.DepthClampNear
= state
;
1022 case GL_DEPTH_CLAMP_FAR_AMD
:
1023 if (!_mesa_is_desktop_gl(ctx
))
1024 goto invalid_enum_error
;
1025 CHECK_EXTENSION(AMD_depth_clamp_separate
);
1026 if (ctx
->Transform
.DepthClampFar
== state
)
1028 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewDepthClamp
? 0 :
1030 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewDepthClamp
;
1031 ctx
->Transform
.DepthClampFar
= state
;
1034 case GL_FRAGMENT_SHADER_ATI
:
1035 if (ctx
->API
!= API_OPENGL_COMPAT
)
1036 goto invalid_enum_error
;
1037 CHECK_EXTENSION(ATI_fragment_shader
);
1038 if (ctx
->ATIFragmentShader
.Enabled
== state
)
1040 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
1041 ctx
->ATIFragmentShader
.Enabled
= state
;
1044 case GL_TEXTURE_CUBE_MAP_SEAMLESS
:
1045 if (!_mesa_is_desktop_gl(ctx
))
1046 goto invalid_enum_error
;
1047 CHECK_EXTENSION(ARB_seamless_cube_map
);
1048 if (ctx
->Texture
.CubeMapSeamless
!= state
) {
1049 FLUSH_VERTICES(ctx
, _NEW_TEXTURE_OBJECT
);
1050 ctx
->Texture
.CubeMapSeamless
= state
;
1054 case GL_RASTERIZER_DISCARD
:
1055 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles3(ctx
))
1056 goto invalid_enum_error
;
1057 CHECK_EXTENSION(EXT_transform_feedback
);
1058 if (ctx
->RasterDiscard
!= state
) {
1059 FLUSH_VERTICES(ctx
, 0);
1060 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewRasterizerDiscard
;
1061 ctx
->RasterDiscard
= state
;
1065 case GL_TILE_RASTER_ORDER_FIXED_MESA
:
1066 if (!_mesa_has_MESA_tile_raster_order(ctx
))
1067 goto invalid_enum_error
;
1068 if (ctx
->TileRasterOrderFixed
!= state
) {
1069 FLUSH_VERTICES(ctx
, 0);
1070 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewTileRasterOrder
;
1071 ctx
->TileRasterOrderFixed
= state
;
1075 case GL_TILE_RASTER_ORDER_INCREASING_X_MESA
:
1076 if (!_mesa_has_MESA_tile_raster_order(ctx
))
1077 goto invalid_enum_error
;
1078 if (ctx
->TileRasterOrderIncreasingX
!= state
) {
1079 FLUSH_VERTICES(ctx
, 0);
1080 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewTileRasterOrder
;
1081 ctx
->TileRasterOrderIncreasingX
= state
;
1085 case GL_TILE_RASTER_ORDER_INCREASING_Y_MESA
:
1086 if (!_mesa_has_MESA_tile_raster_order(ctx
))
1087 goto invalid_enum_error
;
1088 if (ctx
->TileRasterOrderIncreasingY
!= state
) {
1089 FLUSH_VERTICES(ctx
, 0);
1090 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewTileRasterOrder
;
1091 ctx
->TileRasterOrderIncreasingY
= state
;
1095 /* GL 3.1 primitive restart. Note: this enum is different from
1096 * GL_PRIMITIVE_RESTART_NV (which is client state).
1098 case GL_PRIMITIVE_RESTART
:
1099 if (!_mesa_is_desktop_gl(ctx
) || ctx
->Version
< 31) {
1100 goto invalid_enum_error
;
1102 if (ctx
->Array
.PrimitiveRestart
!= state
) {
1103 FLUSH_VERTICES(ctx
, 0);
1104 ctx
->Array
.PrimitiveRestart
= state
;
1105 update_derived_primitive_restart_state(ctx
);
1109 case GL_PRIMITIVE_RESTART_FIXED_INDEX
:
1110 if (!_mesa_is_gles3(ctx
) && !_mesa_has_ARB_ES3_compatibility(ctx
))
1111 goto invalid_enum_error
;
1112 if (ctx
->Array
.PrimitiveRestartFixedIndex
!= state
) {
1113 FLUSH_VERTICES(ctx
, 0);
1114 ctx
->Array
.PrimitiveRestartFixedIndex
= state
;
1115 update_derived_primitive_restart_state(ctx
);
1119 /* GL3.0 - GL_framebuffer_sRGB */
1120 case GL_FRAMEBUFFER_SRGB_EXT
:
1121 if (!_mesa_has_EXT_framebuffer_sRGB(ctx
) &&
1122 !_mesa_has_EXT_sRGB_write_control(ctx
))
1123 goto invalid_enum_error
;
1124 _mesa_set_framebuffer_srgb(ctx
, state
);
1127 /* GL_OES_EGL_image_external */
1128 case GL_TEXTURE_EXTERNAL_OES
:
1129 if (!_mesa_is_gles(ctx
))
1130 goto invalid_enum_error
;
1131 CHECK_EXTENSION(OES_EGL_image_external
);
1132 if (!enable_texture(ctx
, state
, TEXTURE_EXTERNAL_BIT
)) {
1137 /* ARB_texture_multisample */
1138 case GL_SAMPLE_MASK
:
1139 if (!_mesa_has_ARB_texture_multisample(ctx
) && !_mesa_is_gles31(ctx
))
1140 goto invalid_enum_error
;
1141 if (ctx
->Multisample
.SampleMask
== state
)
1143 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewSampleMask
? 0 :
1145 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewSampleMask
;
1146 ctx
->Multisample
.SampleMask
= state
;
1149 case GL_BLEND_ADVANCED_COHERENT_KHR
:
1150 if (!_mesa_has_KHR_blend_equation_advanced_coherent(ctx
))
1151 goto invalid_enum_error
;
1152 if (ctx
->Color
.BlendCoherent
== state
)
1154 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewBlend
? 0 : _NEW_COLOR
);
1155 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewBlend
;
1156 ctx
->Color
.BlendCoherent
= state
;
1160 goto invalid_enum_error
;
1163 if (ctx
->Driver
.Enable
) {
1164 ctx
->Driver
.Enable( ctx
, cap
, state
);
1170 _mesa_error(ctx
, GL_INVALID_ENUM
, "gl%s(%s)",
1171 state
? "Enable" : "Disable", _mesa_enum_to_string(cap
));
1176 * Enable GL capability. Called by glEnable()
1177 * \param cap state to enable.
1180 _mesa_Enable( GLenum cap
)
1182 GET_CURRENT_CONTEXT(ctx
);
1184 _mesa_set_enable( ctx
, cap
, GL_TRUE
);
1189 * Disable GL capability. Called by glDisable()
1190 * \param cap state to disable.
1193 _mesa_Disable( GLenum cap
)
1195 GET_CURRENT_CONTEXT(ctx
);
1197 _mesa_set_enable( ctx
, cap
, GL_FALSE
);
1203 * Enable/disable an indexed state var.
1206 _mesa_set_enablei(struct gl_context
*ctx
, GLenum cap
,
1207 GLuint index
, GLboolean state
)
1209 assert(state
== 0 || state
== 1);
1212 if (!ctx
->Extensions
.EXT_draw_buffers2
) {
1213 goto invalid_enum_error
;
1215 if (index
>= ctx
->Const
.MaxDrawBuffers
) {
1216 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(index=%u)",
1217 state
? "glEnableIndexed" : "glDisableIndexed", index
);
1220 if (((ctx
->Color
.BlendEnabled
>> index
) & 1) != state
) {
1221 GLbitfield enabled
= ctx
->Color
.BlendEnabled
;
1224 enabled
|= (1 << index
);
1226 enabled
&= ~(1 << index
);
1228 _mesa_flush_vertices_for_blend_adv(ctx
, enabled
,
1229 ctx
->Color
._AdvancedBlendMode
);
1230 ctx
->Color
.BlendEnabled
= enabled
;
1233 case GL_SCISSOR_TEST
:
1234 if (index
>= ctx
->Const
.MaxViewports
) {
1235 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(index=%u)",
1236 state
? "glEnablei" : "glDisablei", index
);
1239 if (((ctx
->Scissor
.EnableFlags
>> index
) & 1) != state
) {
1241 ctx
->DriverFlags
.NewScissorTest
? 0 : _NEW_SCISSOR
);
1242 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewScissorTest
;
1244 ctx
->Scissor
.EnableFlags
|= (1 << index
);
1246 ctx
->Scissor
.EnableFlags
&= ~(1 << index
);
1250 goto invalid_enum_error
;
1255 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(cap=%s)",
1256 state
? "glEnablei" : "glDisablei",
1257 _mesa_enum_to_string(cap
));
1262 _mesa_Disablei( GLenum cap
, GLuint index
)
1264 GET_CURRENT_CONTEXT(ctx
);
1265 _mesa_set_enablei(ctx
, cap
, index
, GL_FALSE
);
1270 _mesa_Enablei( GLenum cap
, GLuint index
)
1272 GET_CURRENT_CONTEXT(ctx
);
1273 _mesa_set_enablei(ctx
, cap
, index
, GL_TRUE
);
1277 GLboolean GLAPIENTRY
1278 _mesa_IsEnabledi( GLenum cap
, GLuint index
)
1280 GET_CURRENT_CONTEXT(ctx
);
1281 ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx
, 0);
1284 if (index
>= ctx
->Const
.MaxDrawBuffers
) {
1285 _mesa_error(ctx
, GL_INVALID_VALUE
, "glIsEnabledIndexed(index=%u)",
1289 return (ctx
->Color
.BlendEnabled
>> index
) & 1;
1290 case GL_SCISSOR_TEST
:
1291 if (index
>= ctx
->Const
.MaxViewports
) {
1292 _mesa_error(ctx
, GL_INVALID_VALUE
, "glIsEnabledIndexed(index=%u)",
1296 return (ctx
->Scissor
.EnableFlags
>> index
) & 1;
1298 _mesa_error(ctx
, GL_INVALID_ENUM
, "glIsEnabledIndexed(cap=%s)",
1299 _mesa_enum_to_string(cap
));
1307 * Helper function to determine whether a texture target is enabled.
1310 is_texture_enabled(struct gl_context
*ctx
, GLbitfield bit
)
1312 const struct gl_fixedfunc_texture_unit
*const texUnit
=
1313 _mesa_get_current_fixedfunc_tex_unit(ctx
);
1318 return (texUnit
->Enabled
& bit
) ? GL_TRUE
: GL_FALSE
;
1323 * Return simple enable/disable state.
1325 * \param cap state variable to query.
1327 * Returns the state of the specified capability from the current GL context.
1328 * For the capabilities associated with extensions verifies that those
1329 * extensions are effectively present before reporting.
1331 GLboolean GLAPIENTRY
1332 _mesa_IsEnabled( GLenum cap
)
1334 GET_CURRENT_CONTEXT(ctx
);
1335 ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx
, 0);
1339 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1340 goto invalid_enum_error
;
1341 return ctx
->Color
.AlphaEnabled
;
1342 case GL_AUTO_NORMAL
:
1343 if (ctx
->API
!= API_OPENGL_COMPAT
)
1344 goto invalid_enum_error
;
1345 return ctx
->Eval
.AutoNormal
;
1347 return ctx
->Color
.BlendEnabled
& 1; /* return state for buffer[0] */
1348 case GL_CLIP_DISTANCE0
: /* aka GL_CLIP_PLANE0 */
1349 case GL_CLIP_DISTANCE1
:
1350 case GL_CLIP_DISTANCE2
:
1351 case GL_CLIP_DISTANCE3
:
1352 case GL_CLIP_DISTANCE4
:
1353 case GL_CLIP_DISTANCE5
:
1354 case GL_CLIP_DISTANCE6
:
1355 case GL_CLIP_DISTANCE7
: {
1356 const GLuint p
= cap
- GL_CLIP_DISTANCE0
;
1358 if (p
>= ctx
->Const
.MaxClipPlanes
)
1359 goto invalid_enum_error
;
1361 return (ctx
->Transform
.ClipPlanesEnabled
>> p
) & 1;
1363 case GL_COLOR_MATERIAL
:
1364 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1365 goto invalid_enum_error
;
1366 return ctx
->Light
.ColorMaterialEnabled
;
1368 return ctx
->Polygon
.CullFlag
;
1369 case GL_DEBUG_OUTPUT
:
1370 case GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB
:
1371 return (GLboolean
) _mesa_get_debug_state_int(ctx
, cap
);
1373 return ctx
->Depth
.Test
;
1375 return ctx
->Color
.DitherFlag
;
1377 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1378 goto invalid_enum_error
;
1379 return ctx
->Fog
.Enabled
;
1381 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1382 goto invalid_enum_error
;
1383 return ctx
->Light
.Enabled
;
1392 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1393 goto invalid_enum_error
;
1394 return ctx
->Light
.Light
[cap
-GL_LIGHT0
].Enabled
;
1395 case GL_LINE_SMOOTH
:
1396 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
1397 goto invalid_enum_error
;
1398 return ctx
->Line
.SmoothFlag
;
1399 case GL_LINE_STIPPLE
:
1400 if (ctx
->API
!= API_OPENGL_COMPAT
)
1401 goto invalid_enum_error
;
1402 return ctx
->Line
.StippleFlag
;
1403 case GL_INDEX_LOGIC_OP
:
1404 if (ctx
->API
!= API_OPENGL_COMPAT
)
1405 goto invalid_enum_error
;
1406 return ctx
->Color
.IndexLogicOpEnabled
;
1407 case GL_COLOR_LOGIC_OP
:
1408 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
1409 goto invalid_enum_error
;
1410 return ctx
->Color
.ColorLogicOpEnabled
;
1411 case GL_MAP1_COLOR_4
:
1412 if (ctx
->API
!= API_OPENGL_COMPAT
)
1413 goto invalid_enum_error
;
1414 return ctx
->Eval
.Map1Color4
;
1416 if (ctx
->API
!= API_OPENGL_COMPAT
)
1417 goto invalid_enum_error
;
1418 return ctx
->Eval
.Map1Index
;
1419 case GL_MAP1_NORMAL
:
1420 if (ctx
->API
!= API_OPENGL_COMPAT
)
1421 goto invalid_enum_error
;
1422 return ctx
->Eval
.Map1Normal
;
1423 case GL_MAP1_TEXTURE_COORD_1
:
1424 if (ctx
->API
!= API_OPENGL_COMPAT
)
1425 goto invalid_enum_error
;
1426 return ctx
->Eval
.Map1TextureCoord1
;
1427 case GL_MAP1_TEXTURE_COORD_2
:
1428 if (ctx
->API
!= API_OPENGL_COMPAT
)
1429 goto invalid_enum_error
;
1430 return ctx
->Eval
.Map1TextureCoord2
;
1431 case GL_MAP1_TEXTURE_COORD_3
:
1432 if (ctx
->API
!= API_OPENGL_COMPAT
)
1433 goto invalid_enum_error
;
1434 return ctx
->Eval
.Map1TextureCoord3
;
1435 case GL_MAP1_TEXTURE_COORD_4
:
1436 if (ctx
->API
!= API_OPENGL_COMPAT
)
1437 goto invalid_enum_error
;
1438 return ctx
->Eval
.Map1TextureCoord4
;
1439 case GL_MAP1_VERTEX_3
:
1440 if (ctx
->API
!= API_OPENGL_COMPAT
)
1441 goto invalid_enum_error
;
1442 return ctx
->Eval
.Map1Vertex3
;
1443 case GL_MAP1_VERTEX_4
:
1444 if (ctx
->API
!= API_OPENGL_COMPAT
)
1445 goto invalid_enum_error
;
1446 return ctx
->Eval
.Map1Vertex4
;
1447 case GL_MAP2_COLOR_4
:
1448 if (ctx
->API
!= API_OPENGL_COMPAT
)
1449 goto invalid_enum_error
;
1450 return ctx
->Eval
.Map2Color4
;
1452 if (ctx
->API
!= API_OPENGL_COMPAT
)
1453 goto invalid_enum_error
;
1454 return ctx
->Eval
.Map2Index
;
1455 case GL_MAP2_NORMAL
:
1456 if (ctx
->API
!= API_OPENGL_COMPAT
)
1457 goto invalid_enum_error
;
1458 return ctx
->Eval
.Map2Normal
;
1459 case GL_MAP2_TEXTURE_COORD_1
:
1460 if (ctx
->API
!= API_OPENGL_COMPAT
)
1461 goto invalid_enum_error
;
1462 return ctx
->Eval
.Map2TextureCoord1
;
1463 case GL_MAP2_TEXTURE_COORD_2
:
1464 if (ctx
->API
!= API_OPENGL_COMPAT
)
1465 goto invalid_enum_error
;
1466 return ctx
->Eval
.Map2TextureCoord2
;
1467 case GL_MAP2_TEXTURE_COORD_3
:
1468 if (ctx
->API
!= API_OPENGL_COMPAT
)
1469 goto invalid_enum_error
;
1470 return ctx
->Eval
.Map2TextureCoord3
;
1471 case GL_MAP2_TEXTURE_COORD_4
:
1472 if (ctx
->API
!= API_OPENGL_COMPAT
)
1473 goto invalid_enum_error
;
1474 return ctx
->Eval
.Map2TextureCoord4
;
1475 case GL_MAP2_VERTEX_3
:
1476 if (ctx
->API
!= API_OPENGL_COMPAT
)
1477 goto invalid_enum_error
;
1478 return ctx
->Eval
.Map2Vertex3
;
1479 case GL_MAP2_VERTEX_4
:
1480 if (ctx
->API
!= API_OPENGL_COMPAT
)
1481 goto invalid_enum_error
;
1482 return ctx
->Eval
.Map2Vertex4
;
1484 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1485 goto invalid_enum_error
;
1486 return ctx
->Transform
.Normalize
;
1487 case GL_POINT_SMOOTH
:
1488 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1489 goto invalid_enum_error
;
1490 return ctx
->Point
.SmoothFlag
;
1491 case GL_POLYGON_SMOOTH
:
1492 if (!_mesa_is_desktop_gl(ctx
))
1493 goto invalid_enum_error
;
1494 return ctx
->Polygon
.SmoothFlag
;
1495 case GL_POLYGON_STIPPLE
:
1496 if (ctx
->API
!= API_OPENGL_COMPAT
)
1497 goto invalid_enum_error
;
1498 return ctx
->Polygon
.StippleFlag
;
1499 case GL_POLYGON_OFFSET_POINT
:
1500 if (!_mesa_is_desktop_gl(ctx
))
1501 goto invalid_enum_error
;
1502 return ctx
->Polygon
.OffsetPoint
;
1503 case GL_POLYGON_OFFSET_LINE
:
1504 if (!_mesa_is_desktop_gl(ctx
))
1505 goto invalid_enum_error
;
1506 return ctx
->Polygon
.OffsetLine
;
1507 case GL_POLYGON_OFFSET_FILL
:
1508 return ctx
->Polygon
.OffsetFill
;
1509 case GL_RESCALE_NORMAL_EXT
:
1510 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1511 goto invalid_enum_error
;
1512 return ctx
->Transform
.RescaleNormals
;
1513 case GL_SCISSOR_TEST
:
1514 return ctx
->Scissor
.EnableFlags
& 1; /* return state for index 0 */
1515 case GL_STENCIL_TEST
:
1516 return ctx
->Stencil
.Enabled
;
1518 if (ctx
->API
!= API_OPENGL_COMPAT
)
1519 goto invalid_enum_error
;
1520 return is_texture_enabled(ctx
, TEXTURE_1D_BIT
);
1522 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1523 goto invalid_enum_error
;
1524 return is_texture_enabled(ctx
, TEXTURE_2D_BIT
);
1526 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1527 goto invalid_enum_error
;
1528 return is_texture_enabled(ctx
, TEXTURE_3D_BIT
);
1529 case GL_TEXTURE_GEN_S
:
1530 case GL_TEXTURE_GEN_T
:
1531 case GL_TEXTURE_GEN_R
:
1532 case GL_TEXTURE_GEN_Q
:
1534 const struct gl_fixedfunc_texture_unit
*texUnit
=
1535 get_texcoord_unit(ctx
);
1537 if (ctx
->API
!= API_OPENGL_COMPAT
)
1538 goto invalid_enum_error
;
1541 GLbitfield coordBit
= S_BIT
<< (cap
- GL_TEXTURE_GEN_S
);
1542 return (texUnit
->TexGenEnabled
& coordBit
) ? GL_TRUE
: GL_FALSE
;
1546 case GL_TEXTURE_GEN_STR_OES
:
1548 const struct gl_fixedfunc_texture_unit
*texUnit
=
1549 get_texcoord_unit(ctx
);
1551 if (ctx
->API
!= API_OPENGLES
)
1552 goto invalid_enum_error
;
1555 return (texUnit
->TexGenEnabled
& STR_BITS
) == STR_BITS
1556 ? GL_TRUE
: GL_FALSE
;
1560 /* client-side state */
1561 case GL_VERTEX_ARRAY
:
1562 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1563 goto invalid_enum_error
;
1564 return !!(ctx
->Array
.VAO
->Enabled
& VERT_BIT_POS
);
1565 case GL_NORMAL_ARRAY
:
1566 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1567 goto invalid_enum_error
;
1568 return !!(ctx
->Array
.VAO
->Enabled
& VERT_BIT_NORMAL
);
1569 case GL_COLOR_ARRAY
:
1570 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1571 goto invalid_enum_error
;
1572 return !!(ctx
->Array
.VAO
->Enabled
& VERT_BIT_COLOR0
);
1573 case GL_INDEX_ARRAY
:
1574 if (ctx
->API
!= API_OPENGL_COMPAT
)
1575 goto invalid_enum_error
;
1576 return !!(ctx
->Array
.VAO
->Enabled
& VERT_BIT_COLOR_INDEX
);
1577 case GL_TEXTURE_COORD_ARRAY
:
1578 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1579 goto invalid_enum_error
;
1580 return !!(ctx
->Array
.VAO
->Enabled
&
1581 VERT_BIT_TEX(ctx
->Array
.ActiveTexture
));
1582 case GL_EDGE_FLAG_ARRAY
:
1583 if (ctx
->API
!= API_OPENGL_COMPAT
)
1584 goto invalid_enum_error
;
1585 return !!(ctx
->Array
.VAO
->Enabled
& VERT_BIT_EDGEFLAG
);
1586 case GL_FOG_COORDINATE_ARRAY_EXT
:
1587 if (ctx
->API
!= API_OPENGL_COMPAT
)
1588 goto invalid_enum_error
;
1589 return !!(ctx
->Array
.VAO
->Enabled
& VERT_BIT_FOG
);
1590 case GL_SECONDARY_COLOR_ARRAY_EXT
:
1591 if (ctx
->API
!= API_OPENGL_COMPAT
)
1592 goto invalid_enum_error
;
1593 return !!(ctx
->Array
.VAO
->Enabled
& VERT_BIT_COLOR1
);
1594 case GL_POINT_SIZE_ARRAY_OES
:
1595 if (ctx
->API
!= API_OPENGLES
)
1596 goto invalid_enum_error
;
1597 return !!(ctx
->Array
.VAO
->Enabled
& VERT_BIT_POINT_SIZE
);
1599 /* GL_ARB_texture_cube_map */
1600 case GL_TEXTURE_CUBE_MAP
:
1601 if (!_mesa_has_ARB_texture_cube_map(ctx
) &&
1602 !_mesa_has_OES_texture_cube_map(ctx
))
1603 goto invalid_enum_error
;
1604 return is_texture_enabled(ctx
, TEXTURE_CUBE_BIT
);
1606 /* GL_EXT_secondary_color */
1607 case GL_COLOR_SUM_EXT
:
1608 if (ctx
->API
!= API_OPENGL_COMPAT
)
1609 goto invalid_enum_error
;
1610 return ctx
->Fog
.ColorSumEnabled
;
1612 /* GL_ARB_multisample */
1613 case GL_MULTISAMPLE_ARB
:
1614 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
1615 goto invalid_enum_error
;
1616 return ctx
->Multisample
.Enabled
;
1617 case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB
:
1618 return ctx
->Multisample
.SampleAlphaToCoverage
;
1619 case GL_SAMPLE_ALPHA_TO_ONE_ARB
:
1620 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
1621 goto invalid_enum_error
;
1622 return ctx
->Multisample
.SampleAlphaToOne
;
1623 case GL_SAMPLE_COVERAGE_ARB
:
1624 return ctx
->Multisample
.SampleCoverage
;
1625 case GL_SAMPLE_COVERAGE_INVERT_ARB
:
1626 if (!_mesa_is_desktop_gl(ctx
))
1627 goto invalid_enum_error
;
1628 return ctx
->Multisample
.SampleCoverageInvert
;
1630 /* GL_IBM_rasterpos_clip */
1631 case GL_RASTER_POSITION_UNCLIPPED_IBM
:
1632 if (ctx
->API
!= API_OPENGL_COMPAT
)
1633 goto invalid_enum_error
;
1634 return ctx
->Transform
.RasterPositionUnclipped
;
1636 /* GL_NV_point_sprite */
1637 case GL_POINT_SPRITE_NV
:
1638 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1639 goto invalid_enum_error
;
1640 CHECK_EXTENSION2(NV_point_sprite
, ARB_point_sprite
)
1641 return ctx
->Point
.PointSprite
;
1643 case GL_VERTEX_PROGRAM_ARB
:
1644 if (ctx
->API
!= API_OPENGL_COMPAT
)
1645 goto invalid_enum_error
;
1646 CHECK_EXTENSION(ARB_vertex_program
);
1647 return ctx
->VertexProgram
.Enabled
;
1648 case GL_VERTEX_PROGRAM_POINT_SIZE_ARB
:
1649 /* This was added with ARB_vertex_program, but it is also used with
1650 * GLSL vertex shaders on desktop.
1652 if (!_mesa_is_desktop_gl(ctx
))
1653 goto invalid_enum_error
;
1654 CHECK_EXTENSION(ARB_vertex_program
);
1655 return ctx
->VertexProgram
.PointSizeEnabled
;
1656 case GL_VERTEX_PROGRAM_TWO_SIDE_ARB
:
1657 if (ctx
->API
!= API_OPENGL_COMPAT
)
1658 goto invalid_enum_error
;
1659 CHECK_EXTENSION(ARB_vertex_program
);
1660 return ctx
->VertexProgram
.TwoSideEnabled
;
1662 /* GL_NV_texture_rectangle */
1663 case GL_TEXTURE_RECTANGLE_NV
:
1664 if (ctx
->API
!= API_OPENGL_COMPAT
)
1665 goto invalid_enum_error
;
1666 CHECK_EXTENSION(NV_texture_rectangle
);
1667 return is_texture_enabled(ctx
, TEXTURE_RECT_BIT
);
1669 /* GL_EXT_stencil_two_side */
1670 case GL_STENCIL_TEST_TWO_SIDE_EXT
:
1671 if (ctx
->API
!= API_OPENGL_COMPAT
)
1672 goto invalid_enum_error
;
1673 CHECK_EXTENSION(EXT_stencil_two_side
);
1674 return ctx
->Stencil
.TestTwoSide
;
1676 case GL_FRAGMENT_PROGRAM_ARB
:
1677 if (!_mesa_has_ARB_fragment_program(ctx
))
1678 goto invalid_enum_error
;
1679 return ctx
->FragmentProgram
.Enabled
;
1681 /* GL_EXT_depth_bounds_test */
1682 case GL_DEPTH_BOUNDS_TEST_EXT
:
1683 if (!_mesa_is_desktop_gl(ctx
))
1684 goto invalid_enum_error
;
1685 CHECK_EXTENSION(EXT_depth_bounds_test
);
1686 return ctx
->Depth
.BoundsTest
;
1688 /* GL_ARB_depth_clamp */
1689 case GL_DEPTH_CLAMP
:
1690 if (!_mesa_has_ARB_depth_clamp(ctx
) &&
1691 !_mesa_has_EXT_depth_clamp(ctx
))
1692 goto invalid_enum_error
;
1693 return ctx
->Transform
.DepthClampNear
||
1694 ctx
->Transform
.DepthClampFar
;
1696 case GL_DEPTH_CLAMP_NEAR_AMD
:
1697 if (!_mesa_is_desktop_gl(ctx
))
1698 goto invalid_enum_error
;
1699 CHECK_EXTENSION(AMD_depth_clamp_separate
);
1700 return ctx
->Transform
.DepthClampNear
;
1702 case GL_DEPTH_CLAMP_FAR_AMD
:
1703 if (!_mesa_is_desktop_gl(ctx
))
1704 goto invalid_enum_error
;
1705 CHECK_EXTENSION(AMD_depth_clamp_separate
);
1706 return ctx
->Transform
.DepthClampFar
;
1708 case GL_FRAGMENT_SHADER_ATI
:
1709 if (ctx
->API
!= API_OPENGL_COMPAT
)
1710 goto invalid_enum_error
;
1711 CHECK_EXTENSION(ATI_fragment_shader
);
1712 return ctx
->ATIFragmentShader
.Enabled
;
1714 case GL_TEXTURE_CUBE_MAP_SEAMLESS
:
1715 if (!_mesa_is_desktop_gl(ctx
))
1716 goto invalid_enum_error
;
1717 CHECK_EXTENSION(ARB_seamless_cube_map
);
1718 return ctx
->Texture
.CubeMapSeamless
;
1720 case GL_RASTERIZER_DISCARD
:
1721 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles3(ctx
))
1722 goto invalid_enum_error
;
1723 CHECK_EXTENSION(EXT_transform_feedback
);
1724 return ctx
->RasterDiscard
;
1726 /* GL_NV_primitive_restart */
1727 case GL_PRIMITIVE_RESTART_NV
:
1728 if (!_mesa_has_NV_primitive_restart(ctx
))
1729 goto invalid_enum_error
;
1730 return ctx
->Array
.PrimitiveRestart
;
1732 /* GL 3.1 primitive restart */
1733 case GL_PRIMITIVE_RESTART
:
1734 if (!_mesa_is_desktop_gl(ctx
) || ctx
->Version
< 31) {
1735 goto invalid_enum_error
;
1737 return ctx
->Array
.PrimitiveRestart
;
1739 case GL_PRIMITIVE_RESTART_FIXED_INDEX
:
1740 if (!_mesa_is_gles3(ctx
) && !_mesa_has_ARB_ES3_compatibility(ctx
))
1741 goto invalid_enum_error
;
1742 return ctx
->Array
.PrimitiveRestartFixedIndex
;
1744 /* GL3.0 - GL_framebuffer_sRGB */
1745 case GL_FRAMEBUFFER_SRGB_EXT
:
1746 if (!_mesa_has_EXT_framebuffer_sRGB(ctx
) &&
1747 !_mesa_has_EXT_sRGB_write_control(ctx
))
1748 goto invalid_enum_error
;
1749 return ctx
->Color
.sRGBEnabled
;
1751 /* GL_OES_EGL_image_external */
1752 case GL_TEXTURE_EXTERNAL_OES
:
1753 if (!_mesa_is_gles(ctx
))
1754 goto invalid_enum_error
;
1755 CHECK_EXTENSION(OES_EGL_image_external
);
1756 return is_texture_enabled(ctx
, TEXTURE_EXTERNAL_BIT
);
1758 /* ARB_texture_multisample */
1759 case GL_SAMPLE_MASK
:
1760 if (!_mesa_has_ARB_texture_multisample(ctx
) && !_mesa_is_gles31(ctx
))
1761 goto invalid_enum_error
;
1762 return ctx
->Multisample
.SampleMask
;
1764 /* ARB_sample_shading */
1765 case GL_SAMPLE_SHADING
:
1766 if (!_mesa_has_ARB_sample_shading(ctx
) && !_mesa_is_gles3(ctx
))
1767 goto invalid_enum_error
;
1768 return ctx
->Multisample
.SampleShading
;
1770 case GL_BLEND_ADVANCED_COHERENT_KHR
:
1771 if (!_mesa_has_KHR_blend_equation_advanced_coherent(ctx
))
1772 goto invalid_enum_error
;
1773 return ctx
->Color
.BlendCoherent
;
1775 case GL_CONSERVATIVE_RASTERIZATION_INTEL
:
1776 if (!_mesa_has_INTEL_conservative_rasterization(ctx
))
1777 goto invalid_enum_error
;
1778 return ctx
->IntelConservativeRasterization
;
1780 case GL_CONSERVATIVE_RASTERIZATION_NV
:
1781 if (!_mesa_has_NV_conservative_raster(ctx
))
1782 goto invalid_enum_error
;
1783 return ctx
->ConservativeRasterization
;
1785 case GL_TILE_RASTER_ORDER_FIXED_MESA
:
1786 if (!_mesa_has_MESA_tile_raster_order(ctx
))
1787 goto invalid_enum_error
;
1788 return ctx
->TileRasterOrderFixed
;
1790 case GL_TILE_RASTER_ORDER_INCREASING_X_MESA
:
1791 if (!_mesa_has_MESA_tile_raster_order(ctx
))
1792 goto invalid_enum_error
;
1793 return ctx
->TileRasterOrderIncreasingX
;
1795 case GL_TILE_RASTER_ORDER_INCREASING_Y_MESA
:
1796 if (!_mesa_has_MESA_tile_raster_order(ctx
))
1797 goto invalid_enum_error
;
1798 return ctx
->TileRasterOrderIncreasingY
;
1801 goto invalid_enum_error
;
1807 _mesa_error(ctx
, GL_INVALID_ENUM
, "glIsEnabled(%s)",
1808 _mesa_enum_to_string(cap
));