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 (!ctx
->Extensions
.NV_primitive_restart
)
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, CAP) \
167 if (!ctx->Extensions.EXTNAME) { \
168 goto invalid_enum_error; \
171 #define CHECK_EXTENSION2(EXT1, EXT2, CAP) \
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 (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
823 goto invalid_enum_error
;
824 CHECK_EXTENSION(ARB_texture_cube_map
, cap
);
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_is_desktop_gl(ctx
) && !_mesa_is_gles3(ctx
))
886 goto invalid_enum_error
;
887 CHECK_EXTENSION(ARB_sample_shading
, cap
);
888 if (ctx
->Multisample
.SampleShading
== state
)
890 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewSampleShading
? 0 :
892 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewSampleShading
;
893 ctx
->Multisample
.SampleShading
= state
;
896 /* GL_IBM_rasterpos_clip */
897 case GL_RASTER_POSITION_UNCLIPPED_IBM
:
898 if (ctx
->API
!= API_OPENGL_COMPAT
)
899 goto invalid_enum_error
;
900 if (ctx
->Transform
.RasterPositionUnclipped
== state
)
902 FLUSH_VERTICES(ctx
, 0);
903 ctx
->Transform
.RasterPositionUnclipped
= state
;
906 /* GL_NV_point_sprite */
907 case GL_POINT_SPRITE_NV
:
908 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
909 goto invalid_enum_error
;
910 CHECK_EXTENSION2(NV_point_sprite
, ARB_point_sprite
, cap
);
911 if (ctx
->Point
.PointSprite
== state
)
913 FLUSH_VERTICES(ctx
, _NEW_POINT
);
914 ctx
->Point
.PointSprite
= state
;
917 case GL_VERTEX_PROGRAM_ARB
:
918 if (ctx
->API
!= API_OPENGL_COMPAT
)
919 goto invalid_enum_error
;
920 CHECK_EXTENSION(ARB_vertex_program
, cap
);
921 if (ctx
->VertexProgram
.Enabled
== state
)
923 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
924 ctx
->VertexProgram
.Enabled
= state
;
925 _mesa_update_vertex_processing_mode(ctx
);
927 case GL_VERTEX_PROGRAM_POINT_SIZE_ARB
:
928 /* This was added with ARB_vertex_program, but it is also used with
929 * GLSL vertex shaders on desktop.
931 if (!_mesa_is_desktop_gl(ctx
))
932 goto invalid_enum_error
;
933 CHECK_EXTENSION(ARB_vertex_program
, cap
);
934 if (ctx
->VertexProgram
.PointSizeEnabled
== state
)
936 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
937 ctx
->VertexProgram
.PointSizeEnabled
= state
;
939 case GL_VERTEX_PROGRAM_TWO_SIDE_ARB
:
940 if (ctx
->API
!= API_OPENGL_COMPAT
)
941 goto invalid_enum_error
;
942 CHECK_EXTENSION(ARB_vertex_program
, cap
);
943 if (ctx
->VertexProgram
.TwoSideEnabled
== state
)
945 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
946 ctx
->VertexProgram
.TwoSideEnabled
= state
;
949 /* GL_NV_texture_rectangle */
950 case GL_TEXTURE_RECTANGLE_NV
:
951 if (ctx
->API
!= API_OPENGL_COMPAT
)
952 goto invalid_enum_error
;
953 CHECK_EXTENSION(NV_texture_rectangle
, cap
);
954 if (!enable_texture(ctx
, state
, TEXTURE_RECT_BIT
)) {
959 /* GL_EXT_stencil_two_side */
960 case GL_STENCIL_TEST_TWO_SIDE_EXT
:
961 if (ctx
->API
!= API_OPENGL_COMPAT
)
962 goto invalid_enum_error
;
963 CHECK_EXTENSION(EXT_stencil_two_side
, cap
);
964 if (ctx
->Stencil
.TestTwoSide
== state
)
966 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewStencil
? 0 : _NEW_STENCIL
);
967 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewStencil
;
968 ctx
->Stencil
.TestTwoSide
= state
;
970 ctx
->Stencil
._BackFace
= 2;
972 ctx
->Stencil
._BackFace
= 1;
976 case GL_FRAGMENT_PROGRAM_ARB
:
977 if (ctx
->API
!= API_OPENGL_COMPAT
)
978 goto invalid_enum_error
;
979 CHECK_EXTENSION(ARB_fragment_program
, cap
);
980 if (ctx
->FragmentProgram
.Enabled
== state
)
982 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
983 ctx
->FragmentProgram
.Enabled
= state
;
986 /* GL_EXT_depth_bounds_test */
987 case GL_DEPTH_BOUNDS_TEST_EXT
:
988 if (!_mesa_is_desktop_gl(ctx
))
989 goto invalid_enum_error
;
990 CHECK_EXTENSION(EXT_depth_bounds_test
, cap
);
991 if (ctx
->Depth
.BoundsTest
== state
)
993 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewDepth
? 0 : _NEW_DEPTH
);
994 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewDepth
;
995 ctx
->Depth
.BoundsTest
= state
;
999 if (!_mesa_has_ARB_depth_clamp(ctx
) &&
1000 !_mesa_has_EXT_depth_clamp(ctx
))
1001 goto invalid_enum_error
;
1002 if (ctx
->Transform
.DepthClampNear
== state
&&
1003 ctx
->Transform
.DepthClampFar
== state
)
1005 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewDepthClamp
? 0 :
1007 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewDepthClamp
;
1008 ctx
->Transform
.DepthClampNear
= state
;
1009 ctx
->Transform
.DepthClampFar
= state
;
1012 case GL_DEPTH_CLAMP_NEAR_AMD
:
1013 if (!_mesa_is_desktop_gl(ctx
))
1014 goto invalid_enum_error
;
1015 CHECK_EXTENSION(AMD_depth_clamp_separate
, cap
);
1016 if (ctx
->Transform
.DepthClampNear
== state
)
1018 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewDepthClamp
? 0 :
1020 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewDepthClamp
;
1021 ctx
->Transform
.DepthClampNear
= state
;
1024 case GL_DEPTH_CLAMP_FAR_AMD
:
1025 if (!_mesa_is_desktop_gl(ctx
))
1026 goto invalid_enum_error
;
1027 CHECK_EXTENSION(AMD_depth_clamp_separate
, cap
);
1028 if (ctx
->Transform
.DepthClampFar
== state
)
1030 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewDepthClamp
? 0 :
1032 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewDepthClamp
;
1033 ctx
->Transform
.DepthClampFar
= state
;
1036 case GL_FRAGMENT_SHADER_ATI
:
1037 if (ctx
->API
!= API_OPENGL_COMPAT
)
1038 goto invalid_enum_error
;
1039 CHECK_EXTENSION(ATI_fragment_shader
, cap
);
1040 if (ctx
->ATIFragmentShader
.Enabled
== state
)
1042 FLUSH_VERTICES(ctx
, _NEW_PROGRAM
);
1043 ctx
->ATIFragmentShader
.Enabled
= state
;
1046 case GL_TEXTURE_CUBE_MAP_SEAMLESS
:
1047 if (!_mesa_is_desktop_gl(ctx
))
1048 goto invalid_enum_error
;
1049 CHECK_EXTENSION(ARB_seamless_cube_map
, cap
);
1050 if (ctx
->Texture
.CubeMapSeamless
!= state
) {
1051 FLUSH_VERTICES(ctx
, _NEW_TEXTURE_OBJECT
);
1052 ctx
->Texture
.CubeMapSeamless
= state
;
1056 case GL_RASTERIZER_DISCARD
:
1057 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles3(ctx
))
1058 goto invalid_enum_error
;
1059 CHECK_EXTENSION(EXT_transform_feedback
, cap
);
1060 if (ctx
->RasterDiscard
!= state
) {
1061 FLUSH_VERTICES(ctx
, 0);
1062 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewRasterizerDiscard
;
1063 ctx
->RasterDiscard
= state
;
1067 case GL_TILE_RASTER_ORDER_FIXED_MESA
:
1068 CHECK_EXTENSION(MESA_tile_raster_order
, cap
);
1069 if (ctx
->TileRasterOrderFixed
!= state
) {
1070 FLUSH_VERTICES(ctx
, 0);
1071 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewTileRasterOrder
;
1072 ctx
->TileRasterOrderFixed
= state
;
1076 case GL_TILE_RASTER_ORDER_INCREASING_X_MESA
:
1077 CHECK_EXTENSION(MESA_tile_raster_order
, cap
);
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 CHECK_EXTENSION(MESA_tile_raster_order
, cap
);
1087 if (ctx
->TileRasterOrderIncreasingY
!= state
) {
1088 FLUSH_VERTICES(ctx
, 0);
1089 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewTileRasterOrder
;
1090 ctx
->TileRasterOrderIncreasingY
= state
;
1094 /* GL 3.1 primitive restart. Note: this enum is different from
1095 * GL_PRIMITIVE_RESTART_NV (which is client state).
1097 case GL_PRIMITIVE_RESTART
:
1098 if (!_mesa_is_desktop_gl(ctx
) || ctx
->Version
< 31) {
1099 goto invalid_enum_error
;
1101 if (ctx
->Array
.PrimitiveRestart
!= state
) {
1102 FLUSH_VERTICES(ctx
, 0);
1103 ctx
->Array
.PrimitiveRestart
= state
;
1104 update_derived_primitive_restart_state(ctx
);
1108 case GL_PRIMITIVE_RESTART_FIXED_INDEX
:
1109 if (!_mesa_is_gles3(ctx
) && !ctx
->Extensions
.ARB_ES3_compatibility
)
1110 goto invalid_enum_error
;
1111 if (ctx
->Array
.PrimitiveRestartFixedIndex
!= state
) {
1112 FLUSH_VERTICES(ctx
, 0);
1113 ctx
->Array
.PrimitiveRestartFixedIndex
= state
;
1114 update_derived_primitive_restart_state(ctx
);
1118 /* GL3.0 - GL_framebuffer_sRGB */
1119 case GL_FRAMEBUFFER_SRGB_EXT
:
1120 CHECK_EXTENSION(EXT_framebuffer_sRGB
, cap
);
1121 _mesa_set_framebuffer_srgb(ctx
, state
);
1124 /* GL_OES_EGL_image_external */
1125 case GL_TEXTURE_EXTERNAL_OES
:
1126 if (!_mesa_is_gles(ctx
))
1127 goto invalid_enum_error
;
1128 CHECK_EXTENSION(OES_EGL_image_external
, cap
);
1129 if (!enable_texture(ctx
, state
, TEXTURE_EXTERNAL_BIT
)) {
1134 /* ARB_texture_multisample */
1135 case GL_SAMPLE_MASK
:
1136 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles31(ctx
))
1137 goto invalid_enum_error
;
1138 CHECK_EXTENSION(ARB_texture_multisample
, cap
);
1139 if (ctx
->Multisample
.SampleMask
== state
)
1141 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewSampleMask
? 0 :
1143 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewSampleMask
;
1144 ctx
->Multisample
.SampleMask
= state
;
1147 case GL_BLEND_ADVANCED_COHERENT_KHR
:
1148 CHECK_EXTENSION(KHR_blend_equation_advanced_coherent
, cap
);
1149 if (ctx
->Color
.BlendCoherent
== state
)
1151 FLUSH_VERTICES(ctx
, ctx
->DriverFlags
.NewBlend
? 0 : _NEW_COLOR
);
1152 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewBlend
;
1153 ctx
->Color
.BlendCoherent
= state
;
1157 goto invalid_enum_error
;
1160 if (ctx
->Driver
.Enable
) {
1161 ctx
->Driver
.Enable( ctx
, cap
, state
);
1167 _mesa_error(ctx
, GL_INVALID_ENUM
, "gl%s(%s)",
1168 state
? "Enable" : "Disable", _mesa_enum_to_string(cap
));
1173 * Enable GL capability. Called by glEnable()
1174 * \param cap state to enable.
1177 _mesa_Enable( GLenum cap
)
1179 GET_CURRENT_CONTEXT(ctx
);
1181 _mesa_set_enable( ctx
, cap
, GL_TRUE
);
1186 * Disable GL capability. Called by glDisable()
1187 * \param cap state to disable.
1190 _mesa_Disable( GLenum cap
)
1192 GET_CURRENT_CONTEXT(ctx
);
1194 _mesa_set_enable( ctx
, cap
, GL_FALSE
);
1200 * Enable/disable an indexed state var.
1203 _mesa_set_enablei(struct gl_context
*ctx
, GLenum cap
,
1204 GLuint index
, GLboolean state
)
1206 assert(state
== 0 || state
== 1);
1209 if (!ctx
->Extensions
.EXT_draw_buffers2
) {
1210 goto invalid_enum_error
;
1212 if (index
>= ctx
->Const
.MaxDrawBuffers
) {
1213 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(index=%u)",
1214 state
? "glEnableIndexed" : "glDisableIndexed", index
);
1217 if (((ctx
->Color
.BlendEnabled
>> index
) & 1) != state
) {
1218 GLbitfield enabled
= ctx
->Color
.BlendEnabled
;
1221 enabled
|= (1 << index
);
1223 enabled
&= ~(1 << index
);
1225 _mesa_flush_vertices_for_blend_adv(ctx
, enabled
,
1226 ctx
->Color
._AdvancedBlendMode
);
1227 ctx
->Color
.BlendEnabled
= enabled
;
1230 case GL_SCISSOR_TEST
:
1231 if (index
>= ctx
->Const
.MaxViewports
) {
1232 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(index=%u)",
1233 state
? "glEnablei" : "glDisablei", index
);
1236 if (((ctx
->Scissor
.EnableFlags
>> index
) & 1) != state
) {
1238 ctx
->DriverFlags
.NewScissorTest
? 0 : _NEW_SCISSOR
);
1239 ctx
->NewDriverState
|= ctx
->DriverFlags
.NewScissorTest
;
1241 ctx
->Scissor
.EnableFlags
|= (1 << index
);
1243 ctx
->Scissor
.EnableFlags
&= ~(1 << index
);
1247 goto invalid_enum_error
;
1252 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(cap=%s)",
1253 state
? "glEnablei" : "glDisablei",
1254 _mesa_enum_to_string(cap
));
1259 _mesa_Disablei( GLenum cap
, GLuint index
)
1261 GET_CURRENT_CONTEXT(ctx
);
1262 _mesa_set_enablei(ctx
, cap
, index
, GL_FALSE
);
1267 _mesa_Enablei( GLenum cap
, GLuint index
)
1269 GET_CURRENT_CONTEXT(ctx
);
1270 _mesa_set_enablei(ctx
, cap
, index
, GL_TRUE
);
1274 GLboolean GLAPIENTRY
1275 _mesa_IsEnabledi( GLenum cap
, GLuint index
)
1277 GET_CURRENT_CONTEXT(ctx
);
1278 ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx
, 0);
1281 if (index
>= ctx
->Const
.MaxDrawBuffers
) {
1282 _mesa_error(ctx
, GL_INVALID_VALUE
, "glIsEnabledIndexed(index=%u)",
1286 return (ctx
->Color
.BlendEnabled
>> index
) & 1;
1287 case GL_SCISSOR_TEST
:
1288 if (index
>= ctx
->Const
.MaxViewports
) {
1289 _mesa_error(ctx
, GL_INVALID_VALUE
, "glIsEnabledIndexed(index=%u)",
1293 return (ctx
->Scissor
.EnableFlags
>> index
) & 1;
1295 _mesa_error(ctx
, GL_INVALID_ENUM
, "glIsEnabledIndexed(cap=%s)",
1296 _mesa_enum_to_string(cap
));
1304 #undef CHECK_EXTENSION
1305 #define CHECK_EXTENSION(EXTNAME) \
1306 if (!ctx->Extensions.EXTNAME) { \
1307 goto invalid_enum_error; \
1310 #undef CHECK_EXTENSION2
1311 #define CHECK_EXTENSION2(EXT1, EXT2) \
1312 if (!ctx->Extensions.EXT1 && !ctx->Extensions.EXT2) { \
1313 goto invalid_enum_error; \
1318 * Helper function to determine whether a texture target is enabled.
1321 is_texture_enabled(struct gl_context
*ctx
, GLbitfield bit
)
1323 const struct gl_fixedfunc_texture_unit
*const texUnit
=
1324 _mesa_get_current_fixedfunc_tex_unit(ctx
);
1329 return (texUnit
->Enabled
& bit
) ? GL_TRUE
: GL_FALSE
;
1334 * Return simple enable/disable state.
1336 * \param cap state variable to query.
1338 * Returns the state of the specified capability from the current GL context.
1339 * For the capabilities associated with extensions verifies that those
1340 * extensions are effectively present before reporting.
1342 GLboolean GLAPIENTRY
1343 _mesa_IsEnabled( GLenum cap
)
1345 GET_CURRENT_CONTEXT(ctx
);
1346 ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx
, 0);
1350 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1351 goto invalid_enum_error
;
1352 return ctx
->Color
.AlphaEnabled
;
1353 case GL_AUTO_NORMAL
:
1354 if (ctx
->API
!= API_OPENGL_COMPAT
)
1355 goto invalid_enum_error
;
1356 return ctx
->Eval
.AutoNormal
;
1358 return ctx
->Color
.BlendEnabled
& 1; /* return state for buffer[0] */
1359 case GL_CLIP_DISTANCE0
: /* aka GL_CLIP_PLANE0 */
1360 case GL_CLIP_DISTANCE1
:
1361 case GL_CLIP_DISTANCE2
:
1362 case GL_CLIP_DISTANCE3
:
1363 case GL_CLIP_DISTANCE4
:
1364 case GL_CLIP_DISTANCE5
:
1365 case GL_CLIP_DISTANCE6
:
1366 case GL_CLIP_DISTANCE7
: {
1367 const GLuint p
= cap
- GL_CLIP_DISTANCE0
;
1369 if (p
>= ctx
->Const
.MaxClipPlanes
)
1370 goto invalid_enum_error
;
1372 return (ctx
->Transform
.ClipPlanesEnabled
>> p
) & 1;
1374 case GL_COLOR_MATERIAL
:
1375 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1376 goto invalid_enum_error
;
1377 return ctx
->Light
.ColorMaterialEnabled
;
1379 return ctx
->Polygon
.CullFlag
;
1380 case GL_DEBUG_OUTPUT
:
1381 case GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB
:
1382 return (GLboolean
) _mesa_get_debug_state_int(ctx
, cap
);
1384 return ctx
->Depth
.Test
;
1386 return ctx
->Color
.DitherFlag
;
1388 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1389 goto invalid_enum_error
;
1390 return ctx
->Fog
.Enabled
;
1392 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1393 goto invalid_enum_error
;
1394 return ctx
->Light
.Enabled
;
1403 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1404 goto invalid_enum_error
;
1405 return ctx
->Light
.Light
[cap
-GL_LIGHT0
].Enabled
;
1406 case GL_LINE_SMOOTH
:
1407 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
1408 goto invalid_enum_error
;
1409 return ctx
->Line
.SmoothFlag
;
1410 case GL_LINE_STIPPLE
:
1411 if (ctx
->API
!= API_OPENGL_COMPAT
)
1412 goto invalid_enum_error
;
1413 return ctx
->Line
.StippleFlag
;
1414 case GL_INDEX_LOGIC_OP
:
1415 if (ctx
->API
!= API_OPENGL_COMPAT
)
1416 goto invalid_enum_error
;
1417 return ctx
->Color
.IndexLogicOpEnabled
;
1418 case GL_COLOR_LOGIC_OP
:
1419 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
1420 goto invalid_enum_error
;
1421 return ctx
->Color
.ColorLogicOpEnabled
;
1422 case GL_MAP1_COLOR_4
:
1423 if (ctx
->API
!= API_OPENGL_COMPAT
)
1424 goto invalid_enum_error
;
1425 return ctx
->Eval
.Map1Color4
;
1427 if (ctx
->API
!= API_OPENGL_COMPAT
)
1428 goto invalid_enum_error
;
1429 return ctx
->Eval
.Map1Index
;
1430 case GL_MAP1_NORMAL
:
1431 if (ctx
->API
!= API_OPENGL_COMPAT
)
1432 goto invalid_enum_error
;
1433 return ctx
->Eval
.Map1Normal
;
1434 case GL_MAP1_TEXTURE_COORD_1
:
1435 if (ctx
->API
!= API_OPENGL_COMPAT
)
1436 goto invalid_enum_error
;
1437 return ctx
->Eval
.Map1TextureCoord1
;
1438 case GL_MAP1_TEXTURE_COORD_2
:
1439 if (ctx
->API
!= API_OPENGL_COMPAT
)
1440 goto invalid_enum_error
;
1441 return ctx
->Eval
.Map1TextureCoord2
;
1442 case GL_MAP1_TEXTURE_COORD_3
:
1443 if (ctx
->API
!= API_OPENGL_COMPAT
)
1444 goto invalid_enum_error
;
1445 return ctx
->Eval
.Map1TextureCoord3
;
1446 case GL_MAP1_TEXTURE_COORD_4
:
1447 if (ctx
->API
!= API_OPENGL_COMPAT
)
1448 goto invalid_enum_error
;
1449 return ctx
->Eval
.Map1TextureCoord4
;
1450 case GL_MAP1_VERTEX_3
:
1451 if (ctx
->API
!= API_OPENGL_COMPAT
)
1452 goto invalid_enum_error
;
1453 return ctx
->Eval
.Map1Vertex3
;
1454 case GL_MAP1_VERTEX_4
:
1455 if (ctx
->API
!= API_OPENGL_COMPAT
)
1456 goto invalid_enum_error
;
1457 return ctx
->Eval
.Map1Vertex4
;
1458 case GL_MAP2_COLOR_4
:
1459 if (ctx
->API
!= API_OPENGL_COMPAT
)
1460 goto invalid_enum_error
;
1461 return ctx
->Eval
.Map2Color4
;
1463 if (ctx
->API
!= API_OPENGL_COMPAT
)
1464 goto invalid_enum_error
;
1465 return ctx
->Eval
.Map2Index
;
1466 case GL_MAP2_NORMAL
:
1467 if (ctx
->API
!= API_OPENGL_COMPAT
)
1468 goto invalid_enum_error
;
1469 return ctx
->Eval
.Map2Normal
;
1470 case GL_MAP2_TEXTURE_COORD_1
:
1471 if (ctx
->API
!= API_OPENGL_COMPAT
)
1472 goto invalid_enum_error
;
1473 return ctx
->Eval
.Map2TextureCoord1
;
1474 case GL_MAP2_TEXTURE_COORD_2
:
1475 if (ctx
->API
!= API_OPENGL_COMPAT
)
1476 goto invalid_enum_error
;
1477 return ctx
->Eval
.Map2TextureCoord2
;
1478 case GL_MAP2_TEXTURE_COORD_3
:
1479 if (ctx
->API
!= API_OPENGL_COMPAT
)
1480 goto invalid_enum_error
;
1481 return ctx
->Eval
.Map2TextureCoord3
;
1482 case GL_MAP2_TEXTURE_COORD_4
:
1483 if (ctx
->API
!= API_OPENGL_COMPAT
)
1484 goto invalid_enum_error
;
1485 return ctx
->Eval
.Map2TextureCoord4
;
1486 case GL_MAP2_VERTEX_3
:
1487 if (ctx
->API
!= API_OPENGL_COMPAT
)
1488 goto invalid_enum_error
;
1489 return ctx
->Eval
.Map2Vertex3
;
1490 case GL_MAP2_VERTEX_4
:
1491 if (ctx
->API
!= API_OPENGL_COMPAT
)
1492 goto invalid_enum_error
;
1493 return ctx
->Eval
.Map2Vertex4
;
1495 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1496 goto invalid_enum_error
;
1497 return ctx
->Transform
.Normalize
;
1498 case GL_POINT_SMOOTH
:
1499 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1500 goto invalid_enum_error
;
1501 return ctx
->Point
.SmoothFlag
;
1502 case GL_POLYGON_SMOOTH
:
1503 if (!_mesa_is_desktop_gl(ctx
))
1504 goto invalid_enum_error
;
1505 return ctx
->Polygon
.SmoothFlag
;
1506 case GL_POLYGON_STIPPLE
:
1507 if (ctx
->API
!= API_OPENGL_COMPAT
)
1508 goto invalid_enum_error
;
1509 return ctx
->Polygon
.StippleFlag
;
1510 case GL_POLYGON_OFFSET_POINT
:
1511 if (!_mesa_is_desktop_gl(ctx
))
1512 goto invalid_enum_error
;
1513 return ctx
->Polygon
.OffsetPoint
;
1514 case GL_POLYGON_OFFSET_LINE
:
1515 if (!_mesa_is_desktop_gl(ctx
))
1516 goto invalid_enum_error
;
1517 return ctx
->Polygon
.OffsetLine
;
1518 case GL_POLYGON_OFFSET_FILL
:
1519 return ctx
->Polygon
.OffsetFill
;
1520 case GL_RESCALE_NORMAL_EXT
:
1521 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1522 goto invalid_enum_error
;
1523 return ctx
->Transform
.RescaleNormals
;
1524 case GL_SCISSOR_TEST
:
1525 return ctx
->Scissor
.EnableFlags
& 1; /* return state for index 0 */
1526 case GL_STENCIL_TEST
:
1527 return ctx
->Stencil
.Enabled
;
1529 if (ctx
->API
!= API_OPENGL_COMPAT
)
1530 goto invalid_enum_error
;
1531 return is_texture_enabled(ctx
, TEXTURE_1D_BIT
);
1533 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1534 goto invalid_enum_error
;
1535 return is_texture_enabled(ctx
, TEXTURE_2D_BIT
);
1537 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1538 goto invalid_enum_error
;
1539 return is_texture_enabled(ctx
, TEXTURE_3D_BIT
);
1540 case GL_TEXTURE_GEN_S
:
1541 case GL_TEXTURE_GEN_T
:
1542 case GL_TEXTURE_GEN_R
:
1543 case GL_TEXTURE_GEN_Q
:
1545 const struct gl_fixedfunc_texture_unit
*texUnit
=
1546 get_texcoord_unit(ctx
);
1548 if (ctx
->API
!= API_OPENGL_COMPAT
)
1549 goto invalid_enum_error
;
1552 GLbitfield coordBit
= S_BIT
<< (cap
- GL_TEXTURE_GEN_S
);
1553 return (texUnit
->TexGenEnabled
& coordBit
) ? GL_TRUE
: GL_FALSE
;
1557 case GL_TEXTURE_GEN_STR_OES
:
1559 const struct gl_fixedfunc_texture_unit
*texUnit
=
1560 get_texcoord_unit(ctx
);
1562 if (ctx
->API
!= API_OPENGLES
)
1563 goto invalid_enum_error
;
1566 return (texUnit
->TexGenEnabled
& STR_BITS
) == STR_BITS
1567 ? GL_TRUE
: GL_FALSE
;
1571 /* client-side state */
1572 case GL_VERTEX_ARRAY
:
1573 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1574 goto invalid_enum_error
;
1575 return !!(ctx
->Array
.VAO
->Enabled
& VERT_BIT_POS
);
1576 case GL_NORMAL_ARRAY
:
1577 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1578 goto invalid_enum_error
;
1579 return !!(ctx
->Array
.VAO
->Enabled
& VERT_BIT_NORMAL
);
1580 case GL_COLOR_ARRAY
:
1581 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1582 goto invalid_enum_error
;
1583 return !!(ctx
->Array
.VAO
->Enabled
& VERT_BIT_COLOR0
);
1584 case GL_INDEX_ARRAY
:
1585 if (ctx
->API
!= API_OPENGL_COMPAT
)
1586 goto invalid_enum_error
;
1587 return !!(ctx
->Array
.VAO
->Enabled
& VERT_BIT_COLOR_INDEX
);
1588 case GL_TEXTURE_COORD_ARRAY
:
1589 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1590 goto invalid_enum_error
;
1591 return !!(ctx
->Array
.VAO
->Enabled
&
1592 VERT_BIT_TEX(ctx
->Array
.ActiveTexture
));
1593 case GL_EDGE_FLAG_ARRAY
:
1594 if (ctx
->API
!= API_OPENGL_COMPAT
)
1595 goto invalid_enum_error
;
1596 return !!(ctx
->Array
.VAO
->Enabled
& VERT_BIT_EDGEFLAG
);
1597 case GL_FOG_COORDINATE_ARRAY_EXT
:
1598 if (ctx
->API
!= API_OPENGL_COMPAT
)
1599 goto invalid_enum_error
;
1600 return !!(ctx
->Array
.VAO
->Enabled
& VERT_BIT_FOG
);
1601 case GL_SECONDARY_COLOR_ARRAY_EXT
:
1602 if (ctx
->API
!= API_OPENGL_COMPAT
)
1603 goto invalid_enum_error
;
1604 return !!(ctx
->Array
.VAO
->Enabled
& VERT_BIT_COLOR1
);
1605 case GL_POINT_SIZE_ARRAY_OES
:
1606 if (ctx
->API
!= API_OPENGLES
)
1607 goto invalid_enum_error
;
1608 return !!(ctx
->Array
.VAO
->Enabled
& VERT_BIT_POINT_SIZE
);
1610 /* GL_ARB_texture_cube_map */
1611 case GL_TEXTURE_CUBE_MAP
:
1612 CHECK_EXTENSION(ARB_texture_cube_map
);
1613 return is_texture_enabled(ctx
, TEXTURE_CUBE_BIT
);
1615 /* GL_EXT_secondary_color */
1616 case GL_COLOR_SUM_EXT
:
1617 if (ctx
->API
!= API_OPENGL_COMPAT
)
1618 goto invalid_enum_error
;
1619 return ctx
->Fog
.ColorSumEnabled
;
1621 /* GL_ARB_multisample */
1622 case GL_MULTISAMPLE_ARB
:
1623 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
1624 goto invalid_enum_error
;
1625 return ctx
->Multisample
.Enabled
;
1626 case GL_SAMPLE_ALPHA_TO_COVERAGE_ARB
:
1627 return ctx
->Multisample
.SampleAlphaToCoverage
;
1628 case GL_SAMPLE_ALPHA_TO_ONE_ARB
:
1629 if (!_mesa_is_desktop_gl(ctx
) && ctx
->API
!= API_OPENGLES
)
1630 goto invalid_enum_error
;
1631 return ctx
->Multisample
.SampleAlphaToOne
;
1632 case GL_SAMPLE_COVERAGE_ARB
:
1633 return ctx
->Multisample
.SampleCoverage
;
1634 case GL_SAMPLE_COVERAGE_INVERT_ARB
:
1635 if (!_mesa_is_desktop_gl(ctx
))
1636 goto invalid_enum_error
;
1637 return ctx
->Multisample
.SampleCoverageInvert
;
1639 /* GL_IBM_rasterpos_clip */
1640 case GL_RASTER_POSITION_UNCLIPPED_IBM
:
1641 if (ctx
->API
!= API_OPENGL_COMPAT
)
1642 goto invalid_enum_error
;
1643 return ctx
->Transform
.RasterPositionUnclipped
;
1645 /* GL_NV_point_sprite */
1646 case GL_POINT_SPRITE_NV
:
1647 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
1648 goto invalid_enum_error
;
1649 CHECK_EXTENSION2(NV_point_sprite
, ARB_point_sprite
)
1650 return ctx
->Point
.PointSprite
;
1652 case GL_VERTEX_PROGRAM_ARB
:
1653 if (ctx
->API
!= API_OPENGL_COMPAT
)
1654 goto invalid_enum_error
;
1655 CHECK_EXTENSION(ARB_vertex_program
);
1656 return ctx
->VertexProgram
.Enabled
;
1657 case GL_VERTEX_PROGRAM_POINT_SIZE_ARB
:
1658 /* This was added with ARB_vertex_program, but it is also used with
1659 * GLSL vertex shaders on desktop.
1661 if (!_mesa_is_desktop_gl(ctx
))
1662 goto invalid_enum_error
;
1663 CHECK_EXTENSION(ARB_vertex_program
);
1664 return ctx
->VertexProgram
.PointSizeEnabled
;
1665 case GL_VERTEX_PROGRAM_TWO_SIDE_ARB
:
1666 if (ctx
->API
!= API_OPENGL_COMPAT
)
1667 goto invalid_enum_error
;
1668 CHECK_EXTENSION(ARB_vertex_program
);
1669 return ctx
->VertexProgram
.TwoSideEnabled
;
1671 /* GL_NV_texture_rectangle */
1672 case GL_TEXTURE_RECTANGLE_NV
:
1673 if (ctx
->API
!= API_OPENGL_COMPAT
)
1674 goto invalid_enum_error
;
1675 CHECK_EXTENSION(NV_texture_rectangle
);
1676 return is_texture_enabled(ctx
, TEXTURE_RECT_BIT
);
1678 /* GL_EXT_stencil_two_side */
1679 case GL_STENCIL_TEST_TWO_SIDE_EXT
:
1680 if (ctx
->API
!= API_OPENGL_COMPAT
)
1681 goto invalid_enum_error
;
1682 CHECK_EXTENSION(EXT_stencil_two_side
);
1683 return ctx
->Stencil
.TestTwoSide
;
1685 case GL_FRAGMENT_PROGRAM_ARB
:
1686 if (ctx
->API
!= API_OPENGL_COMPAT
)
1687 goto invalid_enum_error
;
1688 return ctx
->FragmentProgram
.Enabled
;
1690 /* GL_EXT_depth_bounds_test */
1691 case GL_DEPTH_BOUNDS_TEST_EXT
:
1692 if (!_mesa_is_desktop_gl(ctx
))
1693 goto invalid_enum_error
;
1694 CHECK_EXTENSION(EXT_depth_bounds_test
);
1695 return ctx
->Depth
.BoundsTest
;
1697 /* GL_ARB_depth_clamp */
1698 case GL_DEPTH_CLAMP
:
1699 if (!_mesa_has_ARB_depth_clamp(ctx
) &&
1700 !_mesa_has_EXT_depth_clamp(ctx
))
1701 goto invalid_enum_error
;
1702 return ctx
->Transform
.DepthClampNear
||
1703 ctx
->Transform
.DepthClampFar
;
1705 case GL_DEPTH_CLAMP_NEAR_AMD
:
1706 if (!_mesa_is_desktop_gl(ctx
))
1707 goto invalid_enum_error
;
1708 CHECK_EXTENSION(AMD_depth_clamp_separate
);
1709 return ctx
->Transform
.DepthClampNear
;
1711 case GL_DEPTH_CLAMP_FAR_AMD
:
1712 if (!_mesa_is_desktop_gl(ctx
))
1713 goto invalid_enum_error
;
1714 CHECK_EXTENSION(AMD_depth_clamp_separate
);
1715 return ctx
->Transform
.DepthClampFar
;
1717 case GL_FRAGMENT_SHADER_ATI
:
1718 if (ctx
->API
!= API_OPENGL_COMPAT
)
1719 goto invalid_enum_error
;
1720 CHECK_EXTENSION(ATI_fragment_shader
);
1721 return ctx
->ATIFragmentShader
.Enabled
;
1723 case GL_TEXTURE_CUBE_MAP_SEAMLESS
:
1724 if (!_mesa_is_desktop_gl(ctx
))
1725 goto invalid_enum_error
;
1726 CHECK_EXTENSION(ARB_seamless_cube_map
);
1727 return ctx
->Texture
.CubeMapSeamless
;
1729 case GL_RASTERIZER_DISCARD
:
1730 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles3(ctx
))
1731 goto invalid_enum_error
;
1732 CHECK_EXTENSION(EXT_transform_feedback
);
1733 return ctx
->RasterDiscard
;
1735 /* GL_NV_primitive_restart */
1736 case GL_PRIMITIVE_RESTART_NV
:
1737 if (ctx
->API
!= API_OPENGL_COMPAT
|| !ctx
->Extensions
.NV_primitive_restart
) {
1738 goto invalid_enum_error
;
1740 return ctx
->Array
.PrimitiveRestart
;
1742 /* GL 3.1 primitive restart */
1743 case GL_PRIMITIVE_RESTART
:
1744 if (!_mesa_is_desktop_gl(ctx
) || ctx
->Version
< 31) {
1745 goto invalid_enum_error
;
1747 return ctx
->Array
.PrimitiveRestart
;
1749 case GL_PRIMITIVE_RESTART_FIXED_INDEX
:
1750 if (!_mesa_is_gles3(ctx
) && !ctx
->Extensions
.ARB_ES3_compatibility
) {
1751 goto invalid_enum_error
;
1753 return ctx
->Array
.PrimitiveRestartFixedIndex
;
1755 /* GL3.0 - GL_framebuffer_sRGB */
1756 case GL_FRAMEBUFFER_SRGB_EXT
:
1757 CHECK_EXTENSION(EXT_framebuffer_sRGB
);
1758 return ctx
->Color
.sRGBEnabled
;
1760 /* GL_OES_EGL_image_external */
1761 case GL_TEXTURE_EXTERNAL_OES
:
1762 if (!_mesa_is_gles(ctx
))
1763 goto invalid_enum_error
;
1764 CHECK_EXTENSION(OES_EGL_image_external
);
1765 return is_texture_enabled(ctx
, TEXTURE_EXTERNAL_BIT
);
1767 /* ARB_texture_multisample */
1768 case GL_SAMPLE_MASK
:
1769 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles31(ctx
))
1770 goto invalid_enum_error
;
1771 CHECK_EXTENSION(ARB_texture_multisample
);
1772 return ctx
->Multisample
.SampleMask
;
1774 /* ARB_sample_shading */
1775 case GL_SAMPLE_SHADING
:
1776 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles3(ctx
))
1777 goto invalid_enum_error
;
1778 CHECK_EXTENSION(ARB_sample_shading
);
1779 return ctx
->Multisample
.SampleShading
;
1781 case GL_BLEND_ADVANCED_COHERENT_KHR
:
1782 CHECK_EXTENSION(KHR_blend_equation_advanced_coherent
);
1783 return ctx
->Color
.BlendCoherent
;
1785 case GL_CONSERVATIVE_RASTERIZATION_INTEL
:
1786 CHECK_EXTENSION(INTEL_conservative_rasterization
);
1787 return ctx
->IntelConservativeRasterization
;
1789 case GL_CONSERVATIVE_RASTERIZATION_NV
:
1790 CHECK_EXTENSION(NV_conservative_raster
);
1791 return ctx
->ConservativeRasterization
;
1793 case GL_TILE_RASTER_ORDER_FIXED_MESA
:
1794 CHECK_EXTENSION(MESA_tile_raster_order
);
1795 return ctx
->TileRasterOrderFixed
;
1797 case GL_TILE_RASTER_ORDER_INCREASING_X_MESA
:
1798 CHECK_EXTENSION(MESA_tile_raster_order
);
1799 return ctx
->TileRasterOrderIncreasingX
;
1801 case GL_TILE_RASTER_ORDER_INCREASING_Y_MESA
:
1802 CHECK_EXTENSION(MESA_tile_raster_order
);
1803 return ctx
->TileRasterOrderIncreasingY
;
1806 goto invalid_enum_error
;
1812 _mesa_error(ctx
, GL_INVALID_ENUM
, "glIsEnabled(%s)",
1813 _mesa_enum_to_string(cap
));