2 * Copyright (C) 2010 Brian Paul All Rights Reserved.
3 * Copyright (C) 2010 Intel Corporation
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included
13 * in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
19 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
20 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22 * Author: Kristian Høgsberg <krh@bitplanet.net>
29 #include "extensions.h"
32 #include "mfeatures.h"
35 #include "texcompress.h"
36 #include "framebuffer.h"
38 /* This is a table driven implemetation of the glGet*v() functions.
39 * The basic idea is that most getters just look up an int somewhere
40 * in struct gl_context and then convert it to a bool or float according to
41 * which of glGetIntegerv() glGetBooleanv() etc is being called.
42 * Instead of generating code to do this, we can just record the enum
43 * value and the offset into struct gl_context in an array of structs. Then
44 * in glGet*(), we lookup the struct for the enum in question, and use
45 * the offset to get the int we need.
47 * Sometimes we need to look up a float, a boolean, a bit in a
48 * bitfield, a matrix or other types instead, so we need to track the
49 * type of the value in struct gl_context. And sometimes the value isn't in
50 * struct gl_context but in the drawbuffer, the array object, current texture
51 * unit, or maybe it's a computed value. So we need to also track
52 * where or how to find the value. Finally, we sometimes need to
53 * check that one of a number of extensions are enabled, the GL
54 * version or flush or call _mesa_update_state(). This is done by
55 * attaching optional extra information to the value description
56 * struct, it's sort of like an array of opcodes that describe extra
59 * Putting all this together we end up with struct value_desc below,
60 * and with a couple of macros to help, the table of struct value_desc
61 * is about as concise as the specification in the old python script.
64 #define FLOAT_TO_BOOLEAN(X) ( (X) ? GL_TRUE : GL_FALSE )
65 #define FLOAT_TO_FIXED(F) ( ((F) * 65536.0f > INT_MAX) ? INT_MAX : \
66 ((F) * 65536.0f < INT_MIN) ? INT_MIN : \
67 (GLint) ((F) * 65536.0f) )
69 #define INT_TO_BOOLEAN(I) ( (I) ? GL_TRUE : GL_FALSE )
70 #define INT_TO_FIXED(I) ( ((I) > SHRT_MAX) ? INT_MAX : \
71 ((I) < SHRT_MIN) ? INT_MIN : \
72 (GLint) ((I) * 65536) )
74 #define INT64_TO_BOOLEAN(I) ( (I) ? GL_TRUE : GL_FALSE )
75 #define INT64_TO_INT(I) ( (GLint)((I > INT_MAX) ? INT_MAX : ((I < INT_MIN) ? INT_MIN : (I))) )
77 #define BOOLEAN_TO_INT(B) ( (GLint) (B) )
78 #define BOOLEAN_TO_INT64(B) ( (GLint64) (B) )
79 #define BOOLEAN_TO_FLOAT(B) ( (B) ? 1.0F : 0.0F )
80 #define BOOLEAN_TO_FIXED(B) ( (GLint) ((B) ? 1 : 0) << 16 )
82 #define ENUM_TO_INT64(E) ( (GLint64) (E) )
83 #define ENUM_TO_FIXED(E) (E)
119 enum value_location {
135 EXTRA_NEW_FRAG_CLAMP,
136 EXTRA_VALID_DRAW_BUFFER,
137 EXTRA_VALID_TEXTURE_UNIT,
138 EXTRA_VALID_CLIP_DISTANCE,
143 #define NO_EXTRA NULL
148 GLubyte location; /**< enum value_location */
149 GLubyte type; /**< enum value_type */
156 GLfloat value_float_4[4];
157 GLmatrix *value_matrix;
159 GLint value_int_4[4];
163 /* Sigh, see GL_COMPRESSED_TEXTURE_FORMATS_ARB handling */
167 GLboolean value_bool;
170 #define BUFFER_FIELD(field, type) \
171 LOC_BUFFER, type, offsetof(struct gl_framebuffer, field)
172 #define CONTEXT_FIELD(field, type) \
173 LOC_CONTEXT, type, offsetof(struct gl_context, field)
174 #define ARRAY_FIELD(field, type) \
175 LOC_ARRAY, type, offsetof(struct gl_array_object, field)
176 #define CONST(value) \
177 LOC_CONTEXT, TYPE_CONST, value
179 #define BUFFER_INT(field) BUFFER_FIELD(field, TYPE_INT)
180 #define BUFFER_ENUM(field) BUFFER_FIELD(field, TYPE_ENUM)
181 #define BUFFER_BOOL(field) BUFFER_FIELD(field, TYPE_BOOLEAN)
183 #define CONTEXT_INT(field) CONTEXT_FIELD(field, TYPE_INT)
184 #define CONTEXT_INT2(field) CONTEXT_FIELD(field, TYPE_INT_2)
185 #define CONTEXT_INT64(field) CONTEXT_FIELD(field, TYPE_INT64)
186 #define CONTEXT_ENUM(field) CONTEXT_FIELD(field, TYPE_ENUM)
187 #define CONTEXT_ENUM2(field) CONTEXT_FIELD(field, TYPE_ENUM_2)
188 #define CONTEXT_BOOL(field) CONTEXT_FIELD(field, TYPE_BOOLEAN)
189 #define CONTEXT_BIT0(field) CONTEXT_FIELD(field, TYPE_BIT_0)
190 #define CONTEXT_BIT1(field) CONTEXT_FIELD(field, TYPE_BIT_1)
191 #define CONTEXT_BIT2(field) CONTEXT_FIELD(field, TYPE_BIT_2)
192 #define CONTEXT_BIT3(field) CONTEXT_FIELD(field, TYPE_BIT_3)
193 #define CONTEXT_BIT4(field) CONTEXT_FIELD(field, TYPE_BIT_4)
194 #define CONTEXT_BIT5(field) CONTEXT_FIELD(field, TYPE_BIT_5)
195 #define CONTEXT_BIT6(field) CONTEXT_FIELD(field, TYPE_BIT_6)
196 #define CONTEXT_BIT7(field) CONTEXT_FIELD(field, TYPE_BIT_7)
197 #define CONTEXT_FLOAT(field) CONTEXT_FIELD(field, TYPE_FLOAT)
198 #define CONTEXT_FLOAT2(field) CONTEXT_FIELD(field, TYPE_FLOAT_2)
199 #define CONTEXT_FLOAT3(field) CONTEXT_FIELD(field, TYPE_FLOAT_3)
200 #define CONTEXT_FLOAT4(field) CONTEXT_FIELD(field, TYPE_FLOAT_4)
201 #define CONTEXT_MATRIX(field) CONTEXT_FIELD(field, TYPE_MATRIX)
202 #define CONTEXT_MATRIX_T(field) CONTEXT_FIELD(field, TYPE_MATRIX_T)
204 #define ARRAY_INT(field) ARRAY_FIELD(field, TYPE_INT)
205 #define ARRAY_ENUM(field) ARRAY_FIELD(field, TYPE_ENUM)
206 #define ARRAY_BOOL(field) ARRAY_FIELD(field, TYPE_BOOLEAN)
209 offsetof(struct gl_extensions, f)
211 #define EXTRA_EXT(e) \
212 static const int extra_##e[] = { \
216 #define EXTRA_EXT2(e1, e2) \
217 static const int extra_##e1##_##e2[] = { \
218 EXT(e1), EXT(e2), EXTRA_END \
221 /* The 'extra' mechanism is a way to specify extra checks (such as
222 * extensions or specific gl versions) or actions (flush current, new
223 * buffers) that we need to do before looking up an enum. We need to
224 * declare them all up front so we can refer to them in the value_desc
227 static const int extra_new_buffers[] = {
232 static const int extra_new_frag_clamp[] = {
233 EXTRA_NEW_FRAG_CLAMP,
237 static const int extra_valid_draw_buffer[] = {
238 EXTRA_VALID_DRAW_BUFFER,
242 static const int extra_valid_texture_unit[] = {
243 EXTRA_VALID_TEXTURE_UNIT,
247 static const int extra_valid_clip_distance[] = {
248 EXTRA_VALID_CLIP_DISTANCE,
252 static const int extra_flush_current_valid_texture_unit[] = {
254 EXTRA_VALID_TEXTURE_UNIT,
258 static const int extra_flush_current[] = {
263 static const int extra_EXT_secondary_color_flush_current[] = {
264 EXT(EXT_secondary_color),
269 static const int extra_EXT_fog_coord_flush_current[] = {
275 static const int extra_EXT_texture_integer[] = {
276 EXT(EXT_texture_integer),
280 static const int extra_GLSL_130[] = {
285 static const int extra_texture_buffer_object[] = {
287 EXT(ARB_texture_buffer_object),
291 static const int extra_ARB_uniform_buffer_object_and_geometry_shader[] = {
292 EXT(ARB_uniform_buffer_object),
293 EXT(ARB_geometry_shader4),
298 EXTRA_EXT(ARB_ES2_compatibility);
299 EXTRA_EXT(ARB_texture_cube_map);
300 EXTRA_EXT(MESA_texture_array);
301 EXTRA_EXT2(EXT_secondary_color, ARB_vertex_program);
302 EXTRA_EXT(EXT_secondary_color);
303 EXTRA_EXT(EXT_fog_coord);
304 EXTRA_EXT(NV_fog_distance);
305 EXTRA_EXT(EXT_texture_filter_anisotropic);
306 EXTRA_EXT(IBM_rasterpos_clip);
307 EXTRA_EXT(NV_point_sprite);
308 EXTRA_EXT(NV_vertex_program);
309 EXTRA_EXT(NV_fragment_program);
310 EXTRA_EXT(NV_texture_rectangle);
311 EXTRA_EXT(EXT_stencil_two_side);
312 EXTRA_EXT(NV_light_max_exponent);
313 EXTRA_EXT(EXT_depth_bounds_test);
314 EXTRA_EXT(ARB_depth_clamp);
315 EXTRA_EXT(ATI_fragment_shader);
316 EXTRA_EXT(EXT_framebuffer_blit);
317 EXTRA_EXT(ARB_shader_objects);
318 EXTRA_EXT(EXT_provoking_vertex);
319 EXTRA_EXT(ARB_fragment_shader);
320 EXTRA_EXT(ARB_fragment_program);
321 EXTRA_EXT2(ARB_framebuffer_object, EXT_framebuffer_multisample);
322 EXTRA_EXT(EXT_framebuffer_object);
323 EXTRA_EXT(ARB_seamless_cube_map);
324 EXTRA_EXT(EXT_compiled_vertex_array);
326 EXTRA_EXT(ARB_vertex_shader);
327 EXTRA_EXT(EXT_transform_feedback);
328 EXTRA_EXT(ARB_transform_feedback2);
329 EXTRA_EXT(ARB_transform_feedback3);
330 EXTRA_EXT(EXT_pixel_buffer_object);
331 EXTRA_EXT(ARB_vertex_program);
332 EXTRA_EXT2(NV_point_sprite, ARB_point_sprite);
333 EXTRA_EXT2(ARB_fragment_program, NV_fragment_program);
334 EXTRA_EXT2(ARB_vertex_program, NV_vertex_program);
335 EXTRA_EXT2(ARB_vertex_program, ARB_fragment_program);
336 EXTRA_EXT(ARB_geometry_shader4);
337 EXTRA_EXT(ARB_color_buffer_float);
338 EXTRA_EXT(ARB_copy_buffer);
339 EXTRA_EXT(EXT_framebuffer_sRGB);
340 EXTRA_EXT(ARB_texture_buffer_object);
341 EXTRA_EXT(OES_EGL_image_external);
342 EXTRA_EXT(ARB_blend_func_extended);
343 EXTRA_EXT(ARB_uniform_buffer_object);
344 EXTRA_EXT(ARB_timer_query);
347 extra_ARB_vertex_program_ARB_fragment_program_NV_vertex_program[] = {
348 EXT(ARB_vertex_program),
349 EXT(ARB_fragment_program),
350 EXT(NV_vertex_program),
355 extra_NV_vertex_program_ARB_vertex_program_ARB_fragment_program_NV_vertex_program[] = {
356 EXT(NV_vertex_program),
357 EXT(ARB_vertex_program),
358 EXT(ARB_fragment_program),
359 EXT(NV_vertex_program),
364 extra_NV_primitive_restart[] = {
365 EXT(NV_primitive_restart),
369 static const int extra_version_30[] = { EXTRA_VERSION_30, EXTRA_END };
370 static const int extra_version_31[] = { EXTRA_VERSION_31, EXTRA_END };
371 static const int extra_version_32[] = { EXTRA_VERSION_32, EXTRA_END };
374 extra_ARB_vertex_program_api_es2[] = {
375 EXT(ARB_vertex_program),
380 /* The ReadBuffer get token is valid under either full GL or under
381 * GLES2 if the NV_read_buffer extension is available. */
383 extra_NV_read_buffer_api_gl[] = {
389 #define API_OPENGL_BIT (1 << API_OPENGL)
390 #define API_OPENGLES_BIT (1 << API_OPENGLES)
391 #define API_OPENGLES2_BIT (1 << API_OPENGLES2)
392 #define API_OPENGL_CORE_BIT (1 << API_OPENGL_CORE)
394 /* This is the big table describing all the enums we accept in
395 * glGet*v(). The table is partitioned into six parts: enums
396 * understood by all GL APIs (OpenGL, GLES and GLES2), enums shared
397 * between OpenGL and GLES, enums exclusive to GLES, etc for the
398 * remaining combinations. When we add the enums to the hash table in
399 * _mesa_init_get_hash(), we only add the enums for the API we're
400 * instantiating and the different sections are guarded by #if
401 * FEATURE_GL etc to make sure we only compile in the enums we may
404 static const struct value_desc values[] = {
405 /* Enums shared between OpenGL, GLES1 and GLES2 */
406 { 0, 0, TYPE_API_MASK,
407 API_OPENGL_BIT | API_OPENGLES_BIT | API_OPENGLES2_BIT |
410 { GL_ALPHA_BITS, BUFFER_INT(Visual.alphaBits), extra_new_buffers },
411 { GL_BLEND, CONTEXT_BIT0(Color.BlendEnabled), NO_EXTRA },
412 { GL_BLEND_SRC, CONTEXT_ENUM(Color.Blend[0].SrcRGB), NO_EXTRA },
413 { GL_BLUE_BITS, BUFFER_INT(Visual.blueBits), extra_new_buffers },
414 { GL_COLOR_CLEAR_VALUE, LOC_CUSTOM, TYPE_FLOATN_4, 0, extra_new_frag_clamp },
415 { GL_COLOR_WRITEMASK, LOC_CUSTOM, TYPE_INT_4, 0, NO_EXTRA },
416 { GL_CULL_FACE, CONTEXT_BOOL(Polygon.CullFlag), NO_EXTRA },
417 { GL_CULL_FACE_MODE, CONTEXT_ENUM(Polygon.CullFaceMode), NO_EXTRA },
418 { GL_DEPTH_BITS, BUFFER_INT(Visual.depthBits), NO_EXTRA },
419 { GL_DEPTH_CLEAR_VALUE, CONTEXT_FIELD(Depth.Clear, TYPE_DOUBLEN), NO_EXTRA },
420 { GL_DEPTH_FUNC, CONTEXT_ENUM(Depth.Func), NO_EXTRA },
421 { GL_DEPTH_RANGE, CONTEXT_FIELD(Viewport.Near, TYPE_FLOATN_2), NO_EXTRA },
422 { GL_DEPTH_TEST, CONTEXT_BOOL(Depth.Test), NO_EXTRA },
423 { GL_DEPTH_WRITEMASK, CONTEXT_BOOL(Depth.Mask), NO_EXTRA },
424 { GL_DITHER, CONTEXT_BOOL(Color.DitherFlag), NO_EXTRA },
425 { GL_FRONT_FACE, CONTEXT_ENUM(Polygon.FrontFace), NO_EXTRA },
426 { GL_GREEN_BITS, BUFFER_INT(Visual.greenBits), extra_new_buffers },
427 { GL_LINE_WIDTH, CONTEXT_FLOAT(Line.Width), NO_EXTRA },
428 { GL_ALIASED_LINE_WIDTH_RANGE, CONTEXT_FLOAT2(Const.MinLineWidth), NO_EXTRA },
429 { GL_MAX_ELEMENTS_VERTICES, CONTEXT_INT(Const.MaxArrayLockSize), NO_EXTRA },
430 { GL_MAX_ELEMENTS_INDICES, CONTEXT_INT(Const.MaxArrayLockSize), NO_EXTRA },
431 { GL_MAX_TEXTURE_SIZE, LOC_CUSTOM, TYPE_INT,
432 offsetof(struct gl_context, Const.MaxTextureLevels), NO_EXTRA },
433 { GL_MAX_VIEWPORT_DIMS, CONTEXT_INT2(Const.MaxViewportWidth), NO_EXTRA },
434 { GL_PACK_ALIGNMENT, CONTEXT_INT(Pack.Alignment), NO_EXTRA },
435 { GL_ALIASED_POINT_SIZE_RANGE, CONTEXT_FLOAT2(Const.MinPointSize), NO_EXTRA },
436 { GL_POLYGON_OFFSET_FACTOR, CONTEXT_FLOAT(Polygon.OffsetFactor ), NO_EXTRA },
437 { GL_POLYGON_OFFSET_UNITS, CONTEXT_FLOAT(Polygon.OffsetUnits ), NO_EXTRA },
438 { GL_POLYGON_OFFSET_FILL, CONTEXT_BOOL(Polygon.OffsetFill), NO_EXTRA },
439 { GL_RED_BITS, BUFFER_INT(Visual.redBits), extra_new_buffers },
440 { GL_SCISSOR_BOX, LOC_CUSTOM, TYPE_INT_4, 0, NO_EXTRA },
441 { GL_SCISSOR_TEST, CONTEXT_BOOL(Scissor.Enabled), NO_EXTRA },
442 { GL_STENCIL_BITS, BUFFER_INT(Visual.stencilBits), NO_EXTRA },
443 { GL_STENCIL_CLEAR_VALUE, CONTEXT_INT(Stencil.Clear), NO_EXTRA },
444 { GL_STENCIL_FAIL, LOC_CUSTOM, TYPE_ENUM, NO_OFFSET, NO_EXTRA },
445 { GL_STENCIL_FUNC, LOC_CUSTOM, TYPE_ENUM, NO_OFFSET, NO_EXTRA },
446 { GL_STENCIL_PASS_DEPTH_FAIL, LOC_CUSTOM, TYPE_ENUM, NO_OFFSET, NO_EXTRA },
447 { GL_STENCIL_PASS_DEPTH_PASS, LOC_CUSTOM, TYPE_ENUM, NO_OFFSET, NO_EXTRA },
448 { GL_STENCIL_REF, LOC_CUSTOM, TYPE_INT, NO_OFFSET, NO_EXTRA },
449 { GL_STENCIL_TEST, CONTEXT_BOOL(Stencil.Enabled), NO_EXTRA },
450 { GL_STENCIL_VALUE_MASK, LOC_CUSTOM, TYPE_INT, NO_OFFSET, NO_EXTRA },
451 { GL_STENCIL_WRITEMASK, LOC_CUSTOM, TYPE_INT, NO_OFFSET, NO_EXTRA },
452 { GL_SUBPIXEL_BITS, CONTEXT_INT(Const.SubPixelBits), NO_EXTRA },
453 { GL_TEXTURE_BINDING_2D, LOC_CUSTOM, TYPE_INT, TEXTURE_2D_INDEX, NO_EXTRA },
454 { GL_UNPACK_ALIGNMENT, CONTEXT_INT(Unpack.Alignment), NO_EXTRA },
455 { GL_VIEWPORT, LOC_CUSTOM, TYPE_INT_4, 0, NO_EXTRA },
457 /* GL_ARB_multitexture */
458 { GL_ACTIVE_TEXTURE, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA },
460 /* Note that all the OES_* extensions require that the Mesa "struct
461 * gl_extensions" include a member with the name of the extension.
462 * That structure does not yet include OES extensions (and we're
463 * not sure whether it will). If it does, all the OES_*
464 * extensions below should mark the dependency. */
466 /* GL_ARB_texture_cube_map */
467 { GL_TEXTURE_BINDING_CUBE_MAP_ARB, LOC_CUSTOM, TYPE_INT,
468 TEXTURE_CUBE_INDEX, extra_ARB_texture_cube_map },
469 { GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB, LOC_CUSTOM, TYPE_INT,
470 offsetof(struct gl_context, Const.MaxCubeTextureLevels),
471 extra_ARB_texture_cube_map }, /* XXX: OES_texture_cube_map */
473 /* XXX: OES_blend_subtract */
474 { GL_BLEND_SRC_RGB_EXT, CONTEXT_ENUM(Color.Blend[0].SrcRGB), NO_EXTRA },
475 { GL_BLEND_DST_RGB_EXT, CONTEXT_ENUM(Color.Blend[0].DstRGB), NO_EXTRA },
476 { GL_BLEND_SRC_ALPHA_EXT, CONTEXT_ENUM(Color.Blend[0].SrcA), NO_EXTRA },
477 { GL_BLEND_DST_ALPHA_EXT, CONTEXT_ENUM(Color.Blend[0].DstA), NO_EXTRA },
479 /* GL_BLEND_EQUATION_RGB, which is what we're really after, is
480 * defined identically to GL_BLEND_EQUATION. */
481 { GL_BLEND_EQUATION, CONTEXT_ENUM(Color.Blend[0].EquationRGB), NO_EXTRA },
482 { GL_BLEND_EQUATION_ALPHA_EXT, CONTEXT_ENUM(Color.Blend[0].EquationA), NO_EXTRA },
484 /* GL_ARB_texture_compression */
485 { GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA },
486 { GL_COMPRESSED_TEXTURE_FORMATS_ARB, LOC_CUSTOM, TYPE_INT_N, 0, NO_EXTRA },
488 /* GL_ARB_multisample */
489 { GL_SAMPLE_ALPHA_TO_COVERAGE_ARB,
490 CONTEXT_BOOL(Multisample.SampleAlphaToCoverage), NO_EXTRA },
491 { GL_SAMPLE_COVERAGE_ARB, CONTEXT_BOOL(Multisample.SampleCoverage), NO_EXTRA },
492 { GL_SAMPLE_COVERAGE_VALUE_ARB,
493 CONTEXT_FLOAT(Multisample.SampleCoverageValue), NO_EXTRA },
494 { GL_SAMPLE_COVERAGE_INVERT_ARB,
495 CONTEXT_BOOL(Multisample.SampleCoverageInvert), NO_EXTRA },
496 { GL_SAMPLE_BUFFERS_ARB, BUFFER_INT(Visual.sampleBuffers), NO_EXTRA },
497 { GL_SAMPLES_ARB, BUFFER_INT(Visual.samples), NO_EXTRA },
499 /* GL_SGIS_generate_mipmap */
500 { GL_GENERATE_MIPMAP_HINT_SGIS, CONTEXT_ENUM(Hint.GenerateMipmap), NO_EXTRA },
502 /* GL_ARB_vertex_buffer_object */
503 { GL_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA },
505 /* GL_ARB_vertex_buffer_object */
506 /* GL_WEIGHT_ARRAY_BUFFER_BINDING_ARB - not supported */
507 { GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA },
509 /* GL_ARB_color_buffer_float */
510 { GL_CLAMP_VERTEX_COLOR, CONTEXT_ENUM(Light.ClampVertexColor), extra_ARB_color_buffer_float },
511 { GL_CLAMP_FRAGMENT_COLOR, CONTEXT_ENUM(Color.ClampFragmentColor), extra_ARB_color_buffer_float },
512 { GL_CLAMP_READ_COLOR, CONTEXT_ENUM(Color.ClampReadColor), extra_ARB_color_buffer_float },
514 /* GL_ARB_copy_buffer */
515 { GL_COPY_READ_BUFFER, LOC_CUSTOM, TYPE_INT, 0, extra_ARB_copy_buffer },
516 { GL_COPY_WRITE_BUFFER, LOC_CUSTOM, TYPE_INT, 0, extra_ARB_copy_buffer },
518 /* GL_OES_read_format */
519 { GL_IMPLEMENTATION_COLOR_READ_TYPE_OES, LOC_CUSTOM, TYPE_INT, 0,
521 { GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES, LOC_CUSTOM, TYPE_INT, 0,
524 /* GL_EXT_framebuffer_object */
525 { GL_FRAMEBUFFER_BINDING_EXT, BUFFER_INT(Name),
526 extra_EXT_framebuffer_object },
527 { GL_RENDERBUFFER_BINDING_EXT, LOC_CUSTOM, TYPE_INT, 0,
528 extra_EXT_framebuffer_object },
529 { GL_MAX_RENDERBUFFER_SIZE_EXT, CONTEXT_INT(Const.MaxRenderbufferSize),
530 extra_EXT_framebuffer_object },
532 /* This entry isn't spec'ed for GLES 2, but is needed for Mesa's
534 { GL_MAX_CLIP_PLANES, CONTEXT_INT(Const.MaxClipPlanes), NO_EXTRA },
536 /* GL_{APPLE,ARB,OES}_vertex_array_object */
537 { GL_VERTEX_ARRAY_BINDING_APPLE, ARRAY_INT(Name), NO_EXTRA },
539 #if FEATURE_GL || FEATURE_ES1
540 /* Enums in OpenGL and GLES1 */
541 { 0, 0, TYPE_API_MASK, API_OPENGL_BIT | API_OPENGLES_BIT | API_OPENGL_CORE_BIT, NO_EXTRA },
542 { GL_MAX_LIGHTS, CONTEXT_INT(Const.MaxLights), NO_EXTRA },
543 { GL_LIGHT0, CONTEXT_BOOL(Light.Light[0].Enabled), NO_EXTRA },
544 { GL_LIGHT1, CONTEXT_BOOL(Light.Light[1].Enabled), NO_EXTRA },
545 { GL_LIGHT2, CONTEXT_BOOL(Light.Light[2].Enabled), NO_EXTRA },
546 { GL_LIGHT3, CONTEXT_BOOL(Light.Light[3].Enabled), NO_EXTRA },
547 { GL_LIGHT4, CONTEXT_BOOL(Light.Light[4].Enabled), NO_EXTRA },
548 { GL_LIGHT5, CONTEXT_BOOL(Light.Light[5].Enabled), NO_EXTRA },
549 { GL_LIGHT6, CONTEXT_BOOL(Light.Light[6].Enabled), NO_EXTRA },
550 { GL_LIGHT7, CONTEXT_BOOL(Light.Light[7].Enabled), NO_EXTRA },
551 { GL_LIGHTING, CONTEXT_BOOL(Light.Enabled), NO_EXTRA },
552 { GL_LIGHT_MODEL_AMBIENT,
553 CONTEXT_FIELD(Light.Model.Ambient[0], TYPE_FLOATN_4), NO_EXTRA },
554 { GL_LIGHT_MODEL_TWO_SIDE, CONTEXT_BOOL(Light.Model.TwoSide), NO_EXTRA },
555 { GL_ALPHA_TEST, CONTEXT_BOOL(Color.AlphaEnabled), NO_EXTRA },
556 { GL_ALPHA_TEST_FUNC, CONTEXT_ENUM(Color.AlphaFunc), NO_EXTRA },
557 { GL_ALPHA_TEST_REF, LOC_CUSTOM, TYPE_FLOATN, 0, extra_new_frag_clamp },
558 { GL_BLEND_DST, CONTEXT_ENUM(Color.Blend[0].DstRGB), NO_EXTRA },
559 { GL_CLIP_DISTANCE0, CONTEXT_BIT0(Transform.ClipPlanesEnabled), extra_valid_clip_distance },
560 { GL_CLIP_DISTANCE1, CONTEXT_BIT1(Transform.ClipPlanesEnabled), extra_valid_clip_distance },
561 { GL_CLIP_DISTANCE2, CONTEXT_BIT2(Transform.ClipPlanesEnabled), extra_valid_clip_distance },
562 { GL_CLIP_DISTANCE3, CONTEXT_BIT3(Transform.ClipPlanesEnabled), extra_valid_clip_distance },
563 { GL_CLIP_DISTANCE4, CONTEXT_BIT4(Transform.ClipPlanesEnabled), extra_valid_clip_distance },
564 { GL_CLIP_DISTANCE5, CONTEXT_BIT5(Transform.ClipPlanesEnabled), extra_valid_clip_distance },
565 { GL_CLIP_DISTANCE6, CONTEXT_BIT6(Transform.ClipPlanesEnabled), extra_valid_clip_distance },
566 { GL_CLIP_DISTANCE7, CONTEXT_BIT7(Transform.ClipPlanesEnabled), extra_valid_clip_distance },
567 { GL_COLOR_MATERIAL, CONTEXT_BOOL(Light.ColorMaterialEnabled), NO_EXTRA },
569 CONTEXT_FIELD(Current.Attrib[VERT_ATTRIB_COLOR0][0], TYPE_FLOATN_4),
570 extra_flush_current },
572 CONTEXT_FIELD(Current.Attrib[VERT_ATTRIB_NORMAL][0], TYPE_FLOATN_3),
573 extra_flush_current },
574 { GL_CURRENT_TEXTURE_COORDS, LOC_CUSTOM, TYPE_FLOAT_4, 0,
575 extra_flush_current_valid_texture_unit },
576 { GL_DISTANCE_ATTENUATION_EXT, CONTEXT_FLOAT3(Point.Params[0]), NO_EXTRA },
577 { GL_FOG, CONTEXT_BOOL(Fog.Enabled), NO_EXTRA },
578 { GL_FOG_COLOR, LOC_CUSTOM, TYPE_FLOATN_4, 0, extra_new_frag_clamp },
579 { GL_FOG_DENSITY, CONTEXT_FLOAT(Fog.Density), NO_EXTRA },
580 { GL_FOG_END, CONTEXT_FLOAT(Fog.End), NO_EXTRA },
581 { GL_FOG_HINT, CONTEXT_ENUM(Hint.Fog), NO_EXTRA },
582 { GL_FOG_MODE, CONTEXT_ENUM(Fog.Mode), NO_EXTRA },
583 { GL_FOG_START, CONTEXT_FLOAT(Fog.Start), NO_EXTRA },
584 { GL_LINE_SMOOTH, CONTEXT_BOOL(Line.SmoothFlag), NO_EXTRA },
585 { GL_LINE_SMOOTH_HINT, CONTEXT_ENUM(Hint.LineSmooth), NO_EXTRA },
586 { GL_LINE_WIDTH_RANGE, CONTEXT_FLOAT2(Const.MinLineWidthAA), NO_EXTRA },
587 { GL_COLOR_LOGIC_OP, CONTEXT_BOOL(Color.ColorLogicOpEnabled), NO_EXTRA },
588 { GL_LOGIC_OP_MODE, CONTEXT_ENUM(Color.LogicOp), NO_EXTRA },
589 { GL_MATRIX_MODE, CONTEXT_ENUM(Transform.MatrixMode), NO_EXTRA },
590 { GL_MAX_MODELVIEW_STACK_DEPTH, CONST(MAX_MODELVIEW_STACK_DEPTH), NO_EXTRA },
591 { GL_MAX_PROJECTION_STACK_DEPTH, CONST(MAX_PROJECTION_STACK_DEPTH), NO_EXTRA },
592 { GL_MAX_TEXTURE_STACK_DEPTH, CONST(MAX_TEXTURE_STACK_DEPTH), NO_EXTRA },
593 { GL_MODELVIEW_MATRIX, CONTEXT_MATRIX(ModelviewMatrixStack.Top), NO_EXTRA },
594 { GL_MODELVIEW_STACK_DEPTH, LOC_CUSTOM, TYPE_INT,
595 offsetof(struct gl_context, ModelviewMatrixStack.Depth), NO_EXTRA },
596 { GL_NORMALIZE, CONTEXT_BOOL(Transform.Normalize), NO_EXTRA },
597 { GL_PACK_SKIP_IMAGES_EXT, CONTEXT_INT(Pack.SkipImages), NO_EXTRA },
598 { GL_PERSPECTIVE_CORRECTION_HINT, CONTEXT_ENUM(Hint.PerspectiveCorrection), NO_EXTRA },
599 { GL_POINT_SIZE, CONTEXT_FLOAT(Point.Size), NO_EXTRA },
600 { GL_POINT_SIZE_RANGE, CONTEXT_FLOAT2(Const.MinPointSizeAA), NO_EXTRA },
601 { GL_POINT_SMOOTH, CONTEXT_BOOL(Point.SmoothFlag), NO_EXTRA },
602 { GL_POINT_SMOOTH_HINT, CONTEXT_ENUM(Hint.PointSmooth), NO_EXTRA },
603 { GL_POINT_SIZE_MIN_EXT, CONTEXT_FLOAT(Point.MinSize), NO_EXTRA },
604 { GL_POINT_SIZE_MAX_EXT, CONTEXT_FLOAT(Point.MaxSize), NO_EXTRA },
605 { GL_POINT_FADE_THRESHOLD_SIZE_EXT, CONTEXT_FLOAT(Point.Threshold), NO_EXTRA },
606 { GL_PROJECTION_MATRIX, CONTEXT_MATRIX(ProjectionMatrixStack.Top), NO_EXTRA },
607 { GL_PROJECTION_STACK_DEPTH, LOC_CUSTOM, TYPE_INT,
608 offsetof(struct gl_context, ProjectionMatrixStack.Depth), NO_EXTRA },
609 { GL_RESCALE_NORMAL, CONTEXT_BOOL(Transform.RescaleNormals), NO_EXTRA },
610 { GL_SHADE_MODEL, CONTEXT_ENUM(Light.ShadeModel), NO_EXTRA },
611 { GL_TEXTURE_2D, LOC_CUSTOM, TYPE_BOOLEAN, 0, NO_EXTRA },
612 { GL_TEXTURE_MATRIX, LOC_CUSTOM, TYPE_MATRIX, 0, extra_valid_texture_unit },
613 { GL_TEXTURE_STACK_DEPTH, LOC_CUSTOM, TYPE_INT, 0,
614 extra_valid_texture_unit },
616 { GL_VERTEX_ARRAY, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_POS].Enabled), NO_EXTRA },
617 { GL_VERTEX_ARRAY_SIZE, ARRAY_INT(VertexAttrib[VERT_ATTRIB_POS].Size), NO_EXTRA },
618 { GL_VERTEX_ARRAY_TYPE, ARRAY_ENUM(VertexAttrib[VERT_ATTRIB_POS].Type), NO_EXTRA },
619 { GL_VERTEX_ARRAY_STRIDE, ARRAY_INT(VertexAttrib[VERT_ATTRIB_POS].Stride), NO_EXTRA },
620 { GL_NORMAL_ARRAY, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_NORMAL].Enabled), NO_EXTRA },
621 { GL_NORMAL_ARRAY_TYPE, ARRAY_ENUM(VertexAttrib[VERT_ATTRIB_NORMAL].Type), NO_EXTRA },
622 { GL_NORMAL_ARRAY_STRIDE, ARRAY_INT(VertexAttrib[VERT_ATTRIB_NORMAL].Stride), NO_EXTRA },
623 { GL_COLOR_ARRAY, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_COLOR0].Enabled), NO_EXTRA },
624 { GL_COLOR_ARRAY_SIZE, ARRAY_INT(VertexAttrib[VERT_ATTRIB_COLOR0].Size), NO_EXTRA },
625 { GL_COLOR_ARRAY_TYPE, ARRAY_ENUM(VertexAttrib[VERT_ATTRIB_COLOR0].Type), NO_EXTRA },
626 { GL_COLOR_ARRAY_STRIDE, ARRAY_INT(VertexAttrib[VERT_ATTRIB_COLOR0].Stride), NO_EXTRA },
627 { GL_TEXTURE_COORD_ARRAY,
628 LOC_CUSTOM, TYPE_BOOLEAN, offsetof(struct gl_client_array, Enabled), NO_EXTRA },
629 { GL_TEXTURE_COORD_ARRAY_SIZE,
630 LOC_CUSTOM, TYPE_INT, offsetof(struct gl_client_array, Size), NO_EXTRA },
631 { GL_TEXTURE_COORD_ARRAY_TYPE,
632 LOC_CUSTOM, TYPE_ENUM, offsetof(struct gl_client_array, Type), NO_EXTRA },
633 { GL_TEXTURE_COORD_ARRAY_STRIDE,
634 LOC_CUSTOM, TYPE_INT, offsetof(struct gl_client_array, Stride), NO_EXTRA },
636 /* GL_ARB_ES2_compatibility */
637 { GL_SHADER_COMPILER, CONST(1), extra_ARB_ES2_compatibility },
638 { GL_MAX_VARYING_VECTORS, CONTEXT_INT(Const.MaxVarying),
639 extra_ARB_ES2_compatibility },
640 { GL_MAX_VERTEX_UNIFORM_VECTORS, LOC_CUSTOM, TYPE_INT, 0,
641 extra_ARB_ES2_compatibility },
642 { GL_MAX_FRAGMENT_UNIFORM_VECTORS, LOC_CUSTOM, TYPE_INT, 0,
643 extra_ARB_ES2_compatibility },
645 /* GL_ARB_multitexture */
646 { GL_MAX_TEXTURE_UNITS, CONTEXT_INT(Const.MaxTextureUnits), NO_EXTRA },
647 { GL_CLIENT_ACTIVE_TEXTURE, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA },
649 /* GL_ARB_texture_cube_map */
650 { GL_TEXTURE_CUBE_MAP_ARB, LOC_CUSTOM, TYPE_BOOLEAN, 0, NO_EXTRA },
651 /* S, T, and R are always set at the same time */
652 { GL_TEXTURE_GEN_STR_OES, LOC_TEXUNIT, TYPE_BIT_0,
653 offsetof(struct gl_texture_unit, TexGenEnabled), NO_EXTRA },
655 /* GL_ARB_multisample */
656 { GL_MULTISAMPLE_ARB, CONTEXT_BOOL(Multisample.Enabled), NO_EXTRA },
657 { GL_SAMPLE_ALPHA_TO_ONE_ARB, CONTEXT_BOOL(Multisample.SampleAlphaToOne), NO_EXTRA },
659 /* GL_ARB_vertex_buffer_object */
660 { GL_VERTEX_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
661 offsetof(struct gl_array_object, VertexAttrib[VERT_ATTRIB_POS].BufferObj), NO_EXTRA },
662 { GL_NORMAL_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
663 offsetof(struct gl_array_object, VertexAttrib[VERT_ATTRIB_NORMAL].BufferObj), NO_EXTRA },
664 { GL_COLOR_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
665 offsetof(struct gl_array_object, VertexAttrib[VERT_ATTRIB_COLOR0].BufferObj), NO_EXTRA },
666 { GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT, NO_OFFSET, NO_EXTRA },
668 /* GL_OES_point_sprite */
669 { GL_POINT_SPRITE_NV,
670 CONTEXT_BOOL(Point.PointSprite),
671 extra_NV_point_sprite_ARB_point_sprite },
673 /* GL_ARB_fragment_shader */
674 { GL_MAX_FRAGMENT_UNIFORM_COMPONENTS_ARB,
675 CONTEXT_INT(Const.FragmentProgram.MaxUniformComponents),
676 extra_ARB_fragment_shader },
678 /* GL_ARB_vertex_shader */
679 { GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB,
680 CONTEXT_INT(Const.VertexProgram.MaxUniformComponents),
681 extra_ARB_vertex_shader },
682 { GL_MAX_VARYING_FLOATS_ARB, LOC_CUSTOM, TYPE_INT, 0,
683 extra_ARB_vertex_shader },
685 /* GL_EXT_texture_lod_bias */
686 { GL_MAX_TEXTURE_LOD_BIAS_EXT, CONTEXT_FLOAT(Const.MaxTextureLodBias),
689 /* GL_EXT_texture_filter_anisotropic */
690 { GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT,
691 CONTEXT_FLOAT(Const.MaxTextureMaxAnisotropy),
692 extra_EXT_texture_filter_anisotropic },
693 #endif /* FEATURE_GL || FEATURE_ES1 */
696 { 0, 0, TYPE_API_MASK, API_OPENGLES_BIT },
697 /* XXX: OES_matrix_get */
698 { GL_MODELVIEW_MATRIX_FLOAT_AS_INT_BITS_OES },
699 { GL_PROJECTION_MATRIX_FLOAT_AS_INT_BITS_OES },
700 { GL_TEXTURE_MATRIX_FLOAT_AS_INT_BITS_OES },
702 /* OES_point_size_array */
703 { GL_POINT_SIZE_ARRAY_OES, ARRAY_FIELD(VertexAttrib[VERT_ATTRIB_POINT_SIZE].Enabled, TYPE_BOOLEAN) },
704 { GL_POINT_SIZE_ARRAY_TYPE_OES, ARRAY_FIELD(VertexAttrib[VERT_ATTRIB_POINT_SIZE].Type, TYPE_ENUM) },
705 { GL_POINT_SIZE_ARRAY_STRIDE_OES, ARRAY_FIELD(VertexAttrib[VERT_ATTRIB_POINT_SIZE].Stride, TYPE_INT) },
706 { GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES, LOC_CUSTOM, TYPE_INT, 0 },
707 #endif /* FEATURE_ES1 */
709 #if FEATURE_GL || FEATURE_ES2
710 { 0, 0, TYPE_API_MASK, API_OPENGL_BIT | API_OPENGL_CORE_BIT | API_OPENGLES2_BIT, NO_EXTRA },
711 { GL_MAX_TEXTURE_COORDS_ARB, /* == GL_MAX_TEXTURE_COORDS_NV */
712 CONTEXT_INT(Const.MaxTextureCoordUnits),
713 extra_ARB_fragment_program_NV_fragment_program },
714 { GL_PACK_IMAGE_HEIGHT_EXT, CONTEXT_INT(Pack.ImageHeight), NO_EXTRA },
715 { GL_PACK_ROW_LENGTH, CONTEXT_INT(Pack.RowLength), NO_EXTRA },
716 { GL_PACK_SKIP_PIXELS, CONTEXT_INT(Pack.SkipPixels), NO_EXTRA },
717 { GL_PACK_SKIP_ROWS, CONTEXT_INT(Pack.SkipRows), NO_EXTRA },
718 { GL_UNPACK_ROW_LENGTH, CONTEXT_INT(Unpack.RowLength), NO_EXTRA },
719 { GL_UNPACK_SKIP_PIXELS, CONTEXT_INT(Unpack.SkipPixels), NO_EXTRA },
720 { GL_UNPACK_SKIP_ROWS, CONTEXT_INT(Unpack.SkipRows), NO_EXTRA },
721 { GL_UNPACK_SKIP_IMAGES_EXT, CONTEXT_INT(Unpack.SkipImages), NO_EXTRA },
722 { GL_UNPACK_IMAGE_HEIGHT_EXT, CONTEXT_INT(Unpack.ImageHeight), NO_EXTRA },
724 /* GL_ARB_draw_buffers */
725 { GL_MAX_DRAW_BUFFERS_ARB, CONTEXT_INT(Const.MaxDrawBuffers), NO_EXTRA },
727 /* GL_EXT_framebuffer_object / GL_NV_fbo_color_attachments */
728 { GL_MAX_COLOR_ATTACHMENTS, CONTEXT_INT(Const.MaxColorAttachments),
729 extra_EXT_framebuffer_object },
731 /* GL_ARB_draw_buffers / GL_NV_draw_buffers (for ES 2.0) */
732 { GL_DRAW_BUFFER0_ARB, BUFFER_ENUM(ColorDrawBuffer[0]), NO_EXTRA },
733 { GL_DRAW_BUFFER1_ARB, BUFFER_ENUM(ColorDrawBuffer[1]),
734 extra_valid_draw_buffer },
735 { GL_DRAW_BUFFER2_ARB, BUFFER_ENUM(ColorDrawBuffer[2]),
736 extra_valid_draw_buffer },
737 { GL_DRAW_BUFFER3_ARB, BUFFER_ENUM(ColorDrawBuffer[3]),
738 extra_valid_draw_buffer },
739 { GL_DRAW_BUFFER4_ARB, BUFFER_ENUM(ColorDrawBuffer[4]),
740 extra_valid_draw_buffer },
741 { GL_DRAW_BUFFER5_ARB, BUFFER_ENUM(ColorDrawBuffer[5]),
742 extra_valid_draw_buffer },
743 { GL_DRAW_BUFFER6_ARB, BUFFER_ENUM(ColorDrawBuffer[6]),
744 extra_valid_draw_buffer },
745 { GL_DRAW_BUFFER7_ARB, BUFFER_ENUM(ColorDrawBuffer[7]),
746 extra_valid_draw_buffer },
748 { GL_BLEND_COLOR_EXT, LOC_CUSTOM, TYPE_FLOATN_4, 0, extra_new_frag_clamp },
749 /* GL_ARB_fragment_program */
750 { GL_MAX_TEXTURE_IMAGE_UNITS_ARB, /* == GL_MAX_TEXTURE_IMAGE_UNITS_NV */
751 CONTEXT_INT(Const.MaxTextureImageUnits),
752 extra_ARB_fragment_program_NV_fragment_program },
753 { GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB,
754 CONTEXT_INT(Const.MaxVertexTextureImageUnits), extra_ARB_vertex_shader },
755 { GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS_ARB,
756 CONTEXT_INT(Const.MaxCombinedTextureImageUnits),
757 extra_ARB_vertex_shader },
759 /* GL_ARB_shader_objects
760 * Actually, this token isn't part of GL_ARB_shader_objects, but is
761 * close enough for now. */
762 { GL_CURRENT_PROGRAM, LOC_CUSTOM, TYPE_INT, 0, extra_ARB_shader_objects },
765 { GL_STENCIL_BACK_FUNC, CONTEXT_ENUM(Stencil.Function[1]), NO_EXTRA },
766 { GL_STENCIL_BACK_VALUE_MASK, CONTEXT_INT(Stencil.ValueMask[1]), NO_EXTRA },
767 { GL_STENCIL_BACK_WRITEMASK, CONTEXT_INT(Stencil.WriteMask[1]), NO_EXTRA },
768 { GL_STENCIL_BACK_REF, CONTEXT_INT(Stencil.Ref[1]), NO_EXTRA },
769 { GL_STENCIL_BACK_FAIL, CONTEXT_ENUM(Stencil.FailFunc[1]), NO_EXTRA },
770 { GL_STENCIL_BACK_PASS_DEPTH_FAIL, CONTEXT_ENUM(Stencil.ZFailFunc[1]), NO_EXTRA },
771 { GL_STENCIL_BACK_PASS_DEPTH_PASS, CONTEXT_ENUM(Stencil.ZPassFunc[1]), NO_EXTRA },
773 { GL_MAX_VERTEX_ATTRIBS_ARB,
774 CONTEXT_INT(Const.VertexProgram.MaxAttribs),
775 extra_ARB_vertex_program_api_es2 },
778 { GL_TEXTURE_BINDING_3D, LOC_CUSTOM, TYPE_INT, TEXTURE_3D_INDEX, NO_EXTRA },
779 { GL_MAX_3D_TEXTURE_SIZE, LOC_CUSTOM, TYPE_INT,
780 offsetof(struct gl_context, Const.Max3DTextureLevels), NO_EXTRA },
782 /* GL_ARB_fragment_program/OES_standard_derivatives */
783 { GL_FRAGMENT_SHADER_DERIVATIVE_HINT_ARB,
784 CONTEXT_ENUM(Hint.FragmentShaderDerivative), extra_ARB_fragment_shader },
786 /* GL_NV_read_buffer */
788 LOC_CUSTOM, TYPE_ENUM, NO_OFFSET, extra_NV_read_buffer_api_gl },
790 #endif /* FEATURE_GL || FEATURE_ES2 */
793 /* Enums unique to OpenGL ES 2.0 */
794 { 0, 0, TYPE_API_MASK, API_OPENGLES2_BIT, NO_EXTRA },
795 { GL_MAX_FRAGMENT_UNIFORM_VECTORS, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA },
796 { GL_MAX_VARYING_VECTORS, CONTEXT_INT(Const.MaxVarying), NO_EXTRA },
797 { GL_MAX_VERTEX_UNIFORM_VECTORS, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA },
798 { GL_SHADER_COMPILER, CONST(1), NO_EXTRA },
799 /* OES_get_program_binary */
800 { GL_NUM_SHADER_BINARY_FORMATS, CONST(0), NO_EXTRA },
801 { GL_SHADER_BINARY_FORMATS, CONST(0), NO_EXTRA },
802 #endif /* FEATURE_ES2 */
804 /* GL_OES_EGL_image_external */
805 { GL_TEXTURE_BINDING_EXTERNAL_OES, LOC_CUSTOM,
806 TYPE_INT, TEXTURE_EXTERNAL_INDEX, extra_OES_EGL_image_external },
807 { GL_TEXTURE_EXTERNAL_OES, LOC_CUSTOM,
808 TYPE_BOOLEAN, 0, extra_OES_EGL_image_external },
811 /* Remaining enums are only in OpenGL */
812 { 0, 0, TYPE_API_MASK, API_OPENGL_BIT | API_OPENGL_CORE_BIT, NO_EXTRA },
813 { GL_ACCUM_RED_BITS, BUFFER_INT(Visual.accumRedBits), NO_EXTRA },
814 { GL_ACCUM_GREEN_BITS, BUFFER_INT(Visual.accumGreenBits), NO_EXTRA },
815 { GL_ACCUM_BLUE_BITS, BUFFER_INT(Visual.accumBlueBits), NO_EXTRA },
816 { GL_ACCUM_ALPHA_BITS, BUFFER_INT(Visual.accumAlphaBits), NO_EXTRA },
817 { GL_ACCUM_CLEAR_VALUE, CONTEXT_FIELD(Accum.ClearColor[0], TYPE_FLOATN_4), NO_EXTRA },
818 { GL_ALPHA_BIAS, CONTEXT_FLOAT(Pixel.AlphaBias), NO_EXTRA },
819 { GL_ALPHA_SCALE, CONTEXT_FLOAT(Pixel.AlphaScale), NO_EXTRA },
820 { GL_ATTRIB_STACK_DEPTH, CONTEXT_INT(AttribStackDepth), NO_EXTRA },
821 { GL_AUTO_NORMAL, CONTEXT_BOOL(Eval.AutoNormal), NO_EXTRA },
822 { GL_AUX_BUFFERS, BUFFER_INT(Visual.numAuxBuffers), NO_EXTRA },
823 { GL_BLUE_BIAS, CONTEXT_FLOAT(Pixel.BlueBias), NO_EXTRA },
824 { GL_BLUE_SCALE, CONTEXT_FLOAT(Pixel.BlueScale), NO_EXTRA },
825 { GL_CLIENT_ATTRIB_STACK_DEPTH, CONTEXT_INT(ClientAttribStackDepth), NO_EXTRA },
826 { GL_COLOR_MATERIAL_FACE, CONTEXT_ENUM(Light.ColorMaterialFace), NO_EXTRA },
827 { GL_COLOR_MATERIAL_PARAMETER, CONTEXT_ENUM(Light.ColorMaterialMode), NO_EXTRA },
829 CONTEXT_FLOAT(Current.Attrib[VERT_ATTRIB_COLOR_INDEX][0]),
830 extra_flush_current },
831 { GL_CURRENT_RASTER_COLOR,
832 CONTEXT_FIELD(Current.RasterColor[0], TYPE_FLOATN_4), NO_EXTRA },
833 { GL_CURRENT_RASTER_DISTANCE, CONTEXT_FLOAT(Current.RasterDistance), NO_EXTRA },
834 { GL_CURRENT_RASTER_INDEX, CONST(1), NO_EXTRA },
835 { GL_CURRENT_RASTER_POSITION, CONTEXT_FLOAT4(Current.RasterPos[0]), NO_EXTRA },
836 { GL_CURRENT_RASTER_SECONDARY_COLOR,
837 CONTEXT_FIELD(Current.RasterSecondaryColor[0], TYPE_FLOATN_4), NO_EXTRA },
838 { GL_CURRENT_RASTER_TEXTURE_COORDS, LOC_CUSTOM, TYPE_FLOAT_4, 0,
839 extra_valid_texture_unit },
840 { GL_CURRENT_RASTER_POSITION_VALID, CONTEXT_BOOL(Current.RasterPosValid), NO_EXTRA },
841 { GL_DEPTH_BIAS, CONTEXT_FLOAT(Pixel.DepthBias), NO_EXTRA },
842 { GL_DEPTH_SCALE, CONTEXT_FLOAT(Pixel.DepthScale), NO_EXTRA },
843 { GL_DOUBLEBUFFER, BUFFER_INT(Visual.doubleBufferMode), NO_EXTRA },
844 { GL_DRAW_BUFFER, BUFFER_ENUM(ColorDrawBuffer[0]), NO_EXTRA },
845 { GL_EDGE_FLAG, LOC_CUSTOM, TYPE_BOOLEAN, 0, NO_EXTRA },
846 { GL_FEEDBACK_BUFFER_SIZE, CONTEXT_INT(Feedback.BufferSize), NO_EXTRA },
847 { GL_FEEDBACK_BUFFER_TYPE, CONTEXT_ENUM(Feedback.Type), NO_EXTRA },
848 { GL_FOG_INDEX, CONTEXT_FLOAT(Fog.Index), NO_EXTRA },
849 { GL_GREEN_BIAS, CONTEXT_FLOAT(Pixel.GreenBias), NO_EXTRA },
850 { GL_GREEN_SCALE, CONTEXT_FLOAT(Pixel.GreenScale), NO_EXTRA },
851 { GL_INDEX_BITS, BUFFER_INT(Visual.indexBits), extra_new_buffers },
852 { GL_INDEX_CLEAR_VALUE, CONTEXT_INT(Color.ClearIndex), NO_EXTRA },
853 { GL_INDEX_MODE, CONST(0) , NO_EXTRA},
854 { GL_INDEX_OFFSET, CONTEXT_INT(Pixel.IndexOffset), NO_EXTRA },
855 { GL_INDEX_SHIFT, CONTEXT_INT(Pixel.IndexShift), NO_EXTRA },
856 { GL_INDEX_WRITEMASK, CONTEXT_INT(Color.IndexMask), NO_EXTRA },
857 { GL_LIGHT_MODEL_COLOR_CONTROL, CONTEXT_ENUM(Light.Model.ColorControl), NO_EXTRA },
858 { GL_LIGHT_MODEL_LOCAL_VIEWER, CONTEXT_BOOL(Light.Model.LocalViewer), NO_EXTRA },
859 { GL_LINE_STIPPLE, CONTEXT_BOOL(Line.StippleFlag), NO_EXTRA },
860 { GL_LINE_STIPPLE_PATTERN, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA },
861 { GL_LINE_STIPPLE_REPEAT, CONTEXT_INT(Line.StippleFactor), NO_EXTRA },
862 { GL_LINE_WIDTH_GRANULARITY, CONTEXT_FLOAT(Const.LineWidthGranularity), NO_EXTRA },
863 { GL_LIST_BASE, CONTEXT_INT(List.ListBase), NO_EXTRA },
864 { GL_LIST_INDEX, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA },
865 { GL_LIST_MODE, LOC_CUSTOM, TYPE_ENUM, 0, NO_EXTRA },
866 { GL_INDEX_LOGIC_OP, CONTEXT_BOOL(Color.IndexLogicOpEnabled), NO_EXTRA },
867 { GL_MAP1_COLOR_4, CONTEXT_BOOL(Eval.Map1Color4), NO_EXTRA },
868 { GL_MAP1_GRID_DOMAIN, CONTEXT_FLOAT2(Eval.MapGrid1u1), NO_EXTRA },
869 { GL_MAP1_GRID_SEGMENTS, CONTEXT_INT(Eval.MapGrid1un), NO_EXTRA },
870 { GL_MAP1_INDEX, CONTEXT_BOOL(Eval.Map1Index), NO_EXTRA },
871 { GL_MAP1_NORMAL, CONTEXT_BOOL(Eval.Map1Normal), NO_EXTRA },
872 { GL_MAP1_TEXTURE_COORD_1, CONTEXT_BOOL(Eval.Map1TextureCoord1), NO_EXTRA },
873 { GL_MAP1_TEXTURE_COORD_2, CONTEXT_BOOL(Eval.Map1TextureCoord2), NO_EXTRA },
874 { GL_MAP1_TEXTURE_COORD_3, CONTEXT_BOOL(Eval.Map1TextureCoord3), NO_EXTRA },
875 { GL_MAP1_TEXTURE_COORD_4, CONTEXT_BOOL(Eval.Map1TextureCoord4), NO_EXTRA },
876 { GL_MAP1_VERTEX_3, CONTEXT_BOOL(Eval.Map1Vertex3), NO_EXTRA },
877 { GL_MAP1_VERTEX_4, CONTEXT_BOOL(Eval.Map1Vertex4), NO_EXTRA },
878 { GL_MAP2_COLOR_4, CONTEXT_BOOL(Eval.Map2Color4), NO_EXTRA },
879 { GL_MAP2_GRID_DOMAIN, LOC_CUSTOM, TYPE_FLOAT_4, 0, NO_EXTRA },
880 { GL_MAP2_GRID_SEGMENTS, CONTEXT_INT2(Eval.MapGrid2un), NO_EXTRA },
881 { GL_MAP2_INDEX, CONTEXT_BOOL(Eval.Map2Index), NO_EXTRA },
882 { GL_MAP2_NORMAL, CONTEXT_BOOL(Eval.Map2Normal), NO_EXTRA },
883 { GL_MAP2_TEXTURE_COORD_1, CONTEXT_BOOL(Eval.Map2TextureCoord1), NO_EXTRA },
884 { GL_MAP2_TEXTURE_COORD_2, CONTEXT_BOOL(Eval.Map2TextureCoord2), NO_EXTRA },
885 { GL_MAP2_TEXTURE_COORD_3, CONTEXT_BOOL(Eval.Map2TextureCoord3), NO_EXTRA },
886 { GL_MAP2_TEXTURE_COORD_4, CONTEXT_BOOL(Eval.Map2TextureCoord4), NO_EXTRA },
887 { GL_MAP2_VERTEX_3, CONTEXT_BOOL(Eval.Map2Vertex3), NO_EXTRA },
888 { GL_MAP2_VERTEX_4, CONTEXT_BOOL(Eval.Map2Vertex4), NO_EXTRA },
889 { GL_MAP_COLOR, CONTEXT_BOOL(Pixel.MapColorFlag), NO_EXTRA },
890 { GL_MAP_STENCIL, CONTEXT_BOOL(Pixel.MapStencilFlag), NO_EXTRA },
891 { GL_MAX_ATTRIB_STACK_DEPTH, CONST(MAX_ATTRIB_STACK_DEPTH), NO_EXTRA },
892 { GL_MAX_CLIENT_ATTRIB_STACK_DEPTH, CONST(MAX_CLIENT_ATTRIB_STACK_DEPTH), NO_EXTRA },
894 { GL_MAX_EVAL_ORDER, CONST(MAX_EVAL_ORDER), NO_EXTRA },
895 { GL_MAX_LIST_NESTING, CONST(MAX_LIST_NESTING), NO_EXTRA },
896 { GL_MAX_NAME_STACK_DEPTH, CONST(MAX_NAME_STACK_DEPTH), NO_EXTRA },
897 { GL_MAX_PIXEL_MAP_TABLE, CONST(MAX_PIXEL_MAP_TABLE), NO_EXTRA },
898 { GL_NAME_STACK_DEPTH, CONTEXT_INT(Select.NameStackDepth), NO_EXTRA },
899 { GL_PACK_LSB_FIRST, CONTEXT_BOOL(Pack.LsbFirst), NO_EXTRA },
900 { GL_PACK_SWAP_BYTES, CONTEXT_BOOL(Pack.SwapBytes), NO_EXTRA },
901 { GL_PACK_INVERT_MESA, CONTEXT_BOOL(Pack.Invert), NO_EXTRA },
902 { GL_PIXEL_MAP_A_TO_A_SIZE, CONTEXT_INT(PixelMaps.AtoA.Size), NO_EXTRA },
903 { GL_PIXEL_MAP_B_TO_B_SIZE, CONTEXT_INT(PixelMaps.BtoB.Size), NO_EXTRA },
904 { GL_PIXEL_MAP_G_TO_G_SIZE, CONTEXT_INT(PixelMaps.GtoG.Size), NO_EXTRA },
905 { GL_PIXEL_MAP_I_TO_A_SIZE, CONTEXT_INT(PixelMaps.ItoA.Size), NO_EXTRA },
906 { GL_PIXEL_MAP_I_TO_B_SIZE, CONTEXT_INT(PixelMaps.ItoB.Size), NO_EXTRA },
907 { GL_PIXEL_MAP_I_TO_G_SIZE, CONTEXT_INT(PixelMaps.ItoG.Size), NO_EXTRA },
908 { GL_PIXEL_MAP_I_TO_I_SIZE, CONTEXT_INT(PixelMaps.ItoI.Size), NO_EXTRA },
909 { GL_PIXEL_MAP_I_TO_R_SIZE, CONTEXT_INT(PixelMaps.ItoR.Size), NO_EXTRA },
910 { GL_PIXEL_MAP_R_TO_R_SIZE, CONTEXT_INT(PixelMaps.RtoR.Size), NO_EXTRA },
911 { GL_PIXEL_MAP_S_TO_S_SIZE, CONTEXT_INT(PixelMaps.StoS.Size), NO_EXTRA },
912 { GL_POINT_SIZE_GRANULARITY, CONTEXT_FLOAT(Const.PointSizeGranularity), NO_EXTRA },
913 { GL_POLYGON_MODE, CONTEXT_ENUM2(Polygon.FrontMode), NO_EXTRA },
914 { GL_POLYGON_OFFSET_BIAS_EXT, CONTEXT_FLOAT(Polygon.OffsetUnits), NO_EXTRA },
915 { GL_POLYGON_OFFSET_POINT, CONTEXT_BOOL(Polygon.OffsetPoint), NO_EXTRA },
916 { GL_POLYGON_OFFSET_LINE, CONTEXT_BOOL(Polygon.OffsetLine), NO_EXTRA },
917 { GL_POLYGON_SMOOTH, CONTEXT_BOOL(Polygon.SmoothFlag), NO_EXTRA },
918 { GL_POLYGON_SMOOTH_HINT, CONTEXT_ENUM(Hint.PolygonSmooth), NO_EXTRA },
919 { GL_POLYGON_STIPPLE, CONTEXT_BOOL(Polygon.StippleFlag), NO_EXTRA },
920 { GL_RED_BIAS, CONTEXT_FLOAT(Pixel.RedBias), NO_EXTRA },
921 { GL_RED_SCALE, CONTEXT_FLOAT(Pixel.RedScale), NO_EXTRA },
922 { GL_RENDER_MODE, CONTEXT_ENUM(RenderMode), NO_EXTRA },
923 { GL_RGBA_MODE, CONST(1), NO_EXTRA },
924 { GL_SELECTION_BUFFER_SIZE, CONTEXT_INT(Select.BufferSize), NO_EXTRA },
926 { GL_STEREO, BUFFER_INT(Visual.stereoMode), NO_EXTRA },
928 { GL_TEXTURE_1D, LOC_CUSTOM, TYPE_BOOLEAN, NO_OFFSET, NO_EXTRA },
929 { GL_TEXTURE_3D, LOC_CUSTOM, TYPE_BOOLEAN, NO_OFFSET, NO_EXTRA },
930 { GL_TEXTURE_1D_ARRAY_EXT, LOC_CUSTOM, TYPE_BOOLEAN, NO_OFFSET, NO_EXTRA },
931 { GL_TEXTURE_2D_ARRAY_EXT, LOC_CUSTOM, TYPE_BOOLEAN, NO_OFFSET, NO_EXTRA },
933 { GL_TEXTURE_BINDING_1D, LOC_CUSTOM, TYPE_INT, TEXTURE_1D_INDEX, NO_EXTRA },
934 { GL_TEXTURE_BINDING_1D_ARRAY, LOC_CUSTOM, TYPE_INT,
935 TEXTURE_1D_ARRAY_INDEX, extra_MESA_texture_array },
936 { GL_TEXTURE_BINDING_2D_ARRAY, LOC_CUSTOM, TYPE_INT,
937 TEXTURE_1D_ARRAY_INDEX, extra_MESA_texture_array },
938 { GL_MAX_ARRAY_TEXTURE_LAYERS_EXT,
939 CONTEXT_INT(Const.MaxArrayTextureLayers), extra_MESA_texture_array },
941 { GL_TEXTURE_GEN_S, LOC_TEXUNIT, TYPE_BIT_0,
942 offsetof(struct gl_texture_unit, TexGenEnabled), NO_EXTRA },
943 { GL_TEXTURE_GEN_T, LOC_TEXUNIT, TYPE_BIT_1,
944 offsetof(struct gl_texture_unit, TexGenEnabled), NO_EXTRA },
945 { GL_TEXTURE_GEN_R, LOC_TEXUNIT, TYPE_BIT_2,
946 offsetof(struct gl_texture_unit, TexGenEnabled), NO_EXTRA },
947 { GL_TEXTURE_GEN_Q, LOC_TEXUNIT, TYPE_BIT_3,
948 offsetof(struct gl_texture_unit, TexGenEnabled), NO_EXTRA },
949 { GL_UNPACK_LSB_FIRST, CONTEXT_BOOL(Unpack.LsbFirst), NO_EXTRA },
950 { GL_UNPACK_SWAP_BYTES, CONTEXT_BOOL(Unpack.SwapBytes), NO_EXTRA },
951 { GL_ZOOM_X, CONTEXT_FLOAT(Pixel.ZoomX), NO_EXTRA },
952 { GL_ZOOM_Y, CONTEXT_FLOAT(Pixel.ZoomY), NO_EXTRA },
955 { GL_VERTEX_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA },
956 { GL_NORMAL_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA },
957 { GL_COLOR_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA },
958 { GL_INDEX_ARRAY, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_COLOR_INDEX].Enabled), NO_EXTRA },
959 { GL_INDEX_ARRAY_TYPE, ARRAY_ENUM(VertexAttrib[VERT_ATTRIB_COLOR_INDEX].Type), NO_EXTRA },
960 { GL_INDEX_ARRAY_STRIDE, ARRAY_INT(VertexAttrib[VERT_ATTRIB_COLOR_INDEX].Stride), NO_EXTRA },
961 { GL_INDEX_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA },
962 { GL_TEXTURE_COORD_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA },
963 { GL_EDGE_FLAG_ARRAY, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_EDGEFLAG].Enabled), NO_EXTRA },
964 { GL_EDGE_FLAG_ARRAY_STRIDE, ARRAY_INT(VertexAttrib[VERT_ATTRIB_EDGEFLAG].Stride), NO_EXTRA },
965 { GL_EDGE_FLAG_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA },
967 /* GL_ARB_texture_compression */
968 { GL_TEXTURE_COMPRESSION_HINT_ARB, CONTEXT_INT(Hint.TextureCompression), NO_EXTRA },
970 /* GL_EXT_compiled_vertex_array */
971 { GL_ARRAY_ELEMENT_LOCK_FIRST_EXT, CONTEXT_INT(Array.LockFirst),
972 extra_EXT_compiled_vertex_array },
973 { GL_ARRAY_ELEMENT_LOCK_COUNT_EXT, CONTEXT_INT(Array.LockCount),
974 extra_EXT_compiled_vertex_array },
976 /* GL_ARB_transpose_matrix */
977 { GL_TRANSPOSE_MODELVIEW_MATRIX_ARB,
978 CONTEXT_MATRIX_T(ModelviewMatrixStack), NO_EXTRA },
979 { GL_TRANSPOSE_PROJECTION_MATRIX_ARB,
980 CONTEXT_MATRIX_T(ProjectionMatrixStack.Top), NO_EXTRA },
981 { GL_TRANSPOSE_TEXTURE_MATRIX_ARB, CONTEXT_MATRIX_T(TextureMatrixStack), NO_EXTRA },
983 /* GL_EXT_secondary_color */
984 { GL_COLOR_SUM_EXT, CONTEXT_BOOL(Fog.ColorSumEnabled),
985 extra_EXT_secondary_color_ARB_vertex_program },
986 { GL_CURRENT_SECONDARY_COLOR_EXT,
987 CONTEXT_FIELD(Current.Attrib[VERT_ATTRIB_COLOR1][0], TYPE_FLOATN_4),
988 extra_EXT_secondary_color_flush_current },
989 { GL_SECONDARY_COLOR_ARRAY_EXT, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_COLOR1].Enabled),
990 extra_EXT_secondary_color },
991 { GL_SECONDARY_COLOR_ARRAY_TYPE_EXT, ARRAY_ENUM(VertexAttrib[VERT_ATTRIB_COLOR1].Type),
992 extra_EXT_secondary_color },
993 { GL_SECONDARY_COLOR_ARRAY_STRIDE_EXT, ARRAY_INT(VertexAttrib[VERT_ATTRIB_COLOR1].Stride),
994 extra_EXT_secondary_color },
995 { GL_SECONDARY_COLOR_ARRAY_SIZE_EXT, ARRAY_INT(VertexAttrib[VERT_ATTRIB_COLOR1].Size),
996 extra_EXT_secondary_color },
998 /* GL_EXT_fog_coord */
999 { GL_CURRENT_FOG_COORDINATE_EXT,
1000 CONTEXT_FLOAT(Current.Attrib[VERT_ATTRIB_FOG][0]),
1001 extra_EXT_fog_coord_flush_current },
1002 { GL_FOG_COORDINATE_ARRAY_EXT, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_FOG].Enabled),
1003 extra_EXT_fog_coord },
1004 { GL_FOG_COORDINATE_ARRAY_TYPE_EXT, ARRAY_ENUM(VertexAttrib[VERT_ATTRIB_FOG].Type),
1005 extra_EXT_fog_coord },
1006 { GL_FOG_COORDINATE_ARRAY_STRIDE_EXT, ARRAY_INT(VertexAttrib[VERT_ATTRIB_FOG].Stride),
1007 extra_EXT_fog_coord },
1008 { GL_FOG_COORDINATE_SOURCE_EXT, CONTEXT_ENUM(Fog.FogCoordinateSource),
1009 extra_EXT_fog_coord },
1011 /* GL_NV_fog_distance */
1012 { GL_FOG_DISTANCE_MODE_NV, CONTEXT_ENUM(Fog.FogDistanceMode),
1013 extra_NV_fog_distance },
1015 /* GL_IBM_rasterpos_clip */
1016 { GL_RASTER_POSITION_UNCLIPPED_IBM,
1017 CONTEXT_BOOL(Transform.RasterPositionUnclipped),
1018 extra_IBM_rasterpos_clip },
1020 /* GL_NV_point_sprite */
1021 { GL_POINT_SPRITE_R_MODE_NV,
1022 CONTEXT_ENUM(Point.SpriteRMode), extra_NV_point_sprite },
1023 { GL_POINT_SPRITE_COORD_ORIGIN, CONTEXT_ENUM(Point.SpriteOrigin),
1024 extra_NV_point_sprite_ARB_point_sprite },
1026 /* GL_NV_vertex_program */
1027 { GL_VERTEX_PROGRAM_BINDING_NV, LOC_CUSTOM, TYPE_INT, 0,
1028 extra_NV_vertex_program },
1029 { GL_VERTEX_ATTRIB_ARRAY0_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(0)].Enabled),
1030 extra_NV_vertex_program },
1031 { GL_VERTEX_ATTRIB_ARRAY1_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(1)].Enabled),
1032 extra_NV_vertex_program },
1033 { GL_VERTEX_ATTRIB_ARRAY2_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(2)].Enabled),
1034 extra_NV_vertex_program },
1035 { GL_VERTEX_ATTRIB_ARRAY3_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(3)].Enabled),
1036 extra_NV_vertex_program },
1037 { GL_VERTEX_ATTRIB_ARRAY4_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(4)].Enabled),
1038 extra_NV_vertex_program },
1039 { GL_VERTEX_ATTRIB_ARRAY5_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(5)].Enabled),
1040 extra_NV_vertex_program },
1041 { GL_VERTEX_ATTRIB_ARRAY6_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(6)].Enabled),
1042 extra_NV_vertex_program },
1043 { GL_VERTEX_ATTRIB_ARRAY7_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(7)].Enabled),
1044 extra_NV_vertex_program },
1045 { GL_VERTEX_ATTRIB_ARRAY8_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(8)].Enabled),
1046 extra_NV_vertex_program },
1047 { GL_VERTEX_ATTRIB_ARRAY9_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(9)].Enabled),
1048 extra_NV_vertex_program },
1049 { GL_VERTEX_ATTRIB_ARRAY10_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(10)].Enabled),
1050 extra_NV_vertex_program },
1051 { GL_VERTEX_ATTRIB_ARRAY11_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(11)].Enabled),
1052 extra_NV_vertex_program },
1053 { GL_VERTEX_ATTRIB_ARRAY12_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(12)].Enabled),
1054 extra_NV_vertex_program },
1055 { GL_VERTEX_ATTRIB_ARRAY13_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(13)].Enabled),
1056 extra_NV_vertex_program },
1057 { GL_VERTEX_ATTRIB_ARRAY14_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(14)].Enabled),
1058 extra_NV_vertex_program },
1059 { GL_VERTEX_ATTRIB_ARRAY15_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(15)].Enabled),
1060 extra_NV_vertex_program },
1061 { GL_MAP1_VERTEX_ATTRIB0_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[0]),
1062 extra_NV_vertex_program },
1063 { GL_MAP1_VERTEX_ATTRIB1_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[1]),
1064 extra_NV_vertex_program },
1065 { GL_MAP1_VERTEX_ATTRIB2_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[2]),
1066 extra_NV_vertex_program },
1067 { GL_MAP1_VERTEX_ATTRIB3_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[3]),
1068 extra_NV_vertex_program },
1069 { GL_MAP1_VERTEX_ATTRIB4_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[4]),
1070 extra_NV_vertex_program },
1071 { GL_MAP1_VERTEX_ATTRIB5_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[5]),
1072 extra_NV_vertex_program },
1073 { GL_MAP1_VERTEX_ATTRIB6_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[6]),
1074 extra_NV_vertex_program },
1075 { GL_MAP1_VERTEX_ATTRIB7_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[7]),
1076 extra_NV_vertex_program },
1077 { GL_MAP1_VERTEX_ATTRIB8_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[8]),
1078 extra_NV_vertex_program },
1079 { GL_MAP1_VERTEX_ATTRIB9_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[9]),
1080 extra_NV_vertex_program },
1081 { GL_MAP1_VERTEX_ATTRIB10_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[10]),
1082 extra_NV_vertex_program },
1083 { GL_MAP1_VERTEX_ATTRIB11_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[11]),
1084 extra_NV_vertex_program },
1085 { GL_MAP1_VERTEX_ATTRIB12_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[12]),
1086 extra_NV_vertex_program },
1087 { GL_MAP1_VERTEX_ATTRIB13_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[13]),
1088 extra_NV_vertex_program },
1089 { GL_MAP1_VERTEX_ATTRIB14_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[14]),
1090 extra_NV_vertex_program },
1091 { GL_MAP1_VERTEX_ATTRIB15_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[15]),
1092 extra_NV_vertex_program },
1094 /* GL_NV_fragment_program */
1095 { GL_FRAGMENT_PROGRAM_NV, CONTEXT_BOOL(FragmentProgram.Enabled),
1096 extra_NV_fragment_program },
1097 { GL_FRAGMENT_PROGRAM_BINDING_NV, LOC_CUSTOM, TYPE_INT, 0,
1098 extra_NV_fragment_program },
1099 { GL_MAX_FRAGMENT_PROGRAM_LOCAL_PARAMETERS_NV,
1100 CONST(MAX_NV_FRAGMENT_PROGRAM_PARAMS),
1101 extra_NV_fragment_program },
1103 /* GL_NV_texture_rectangle */
1104 { GL_TEXTURE_RECTANGLE_NV,
1105 LOC_CUSTOM, TYPE_BOOLEAN, 0, extra_NV_texture_rectangle },
1106 { GL_TEXTURE_BINDING_RECTANGLE_NV,
1107 LOC_CUSTOM, TYPE_INT, TEXTURE_RECT_INDEX, extra_NV_texture_rectangle },
1108 { GL_MAX_RECTANGLE_TEXTURE_SIZE_NV,
1109 CONTEXT_INT(Const.MaxTextureRectSize), extra_NV_texture_rectangle },
1111 /* GL_EXT_stencil_two_side */
1112 { GL_STENCIL_TEST_TWO_SIDE_EXT, CONTEXT_BOOL(Stencil.TestTwoSide),
1113 extra_EXT_stencil_two_side },
1114 { GL_ACTIVE_STENCIL_FACE_EXT, LOC_CUSTOM, TYPE_ENUM, NO_OFFSET, NO_EXTRA },
1116 /* GL_NV_light_max_exponent */
1117 { GL_MAX_SHININESS_NV, CONTEXT_FLOAT(Const.MaxShininess),
1118 extra_NV_light_max_exponent },
1119 { GL_MAX_SPOT_EXPONENT_NV, CONTEXT_FLOAT(Const.MaxSpotExponent),
1120 extra_NV_light_max_exponent },
1122 /* GL_NV_primitive_restart */
1123 { GL_PRIMITIVE_RESTART_NV, CONTEXT_BOOL(Array.PrimitiveRestart),
1124 extra_NV_primitive_restart },
1125 { GL_PRIMITIVE_RESTART_INDEX_NV, CONTEXT_INT(Array.RestartIndex),
1126 extra_NV_primitive_restart },
1128 /* GL_ARB_vertex_buffer_object */
1129 { GL_INDEX_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
1130 offsetof(struct gl_array_object, VertexAttrib[VERT_ATTRIB_COLOR_INDEX].BufferObj), NO_EXTRA },
1131 { GL_EDGE_FLAG_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
1132 offsetof(struct gl_array_object, VertexAttrib[VERT_ATTRIB_EDGEFLAG].BufferObj), NO_EXTRA },
1133 { GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
1134 offsetof(struct gl_array_object, VertexAttrib[VERT_ATTRIB_COLOR1].BufferObj), NO_EXTRA },
1135 { GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
1136 offsetof(struct gl_array_object, VertexAttrib[VERT_ATTRIB_FOG].BufferObj), NO_EXTRA },
1138 /* GL_EXT_pixel_buffer_object */
1139 { GL_PIXEL_PACK_BUFFER_BINDING_EXT, LOC_CUSTOM, TYPE_INT, 0,
1140 extra_EXT_pixel_buffer_object },
1141 { GL_PIXEL_UNPACK_BUFFER_BINDING_EXT, LOC_CUSTOM, TYPE_INT, 0,
1142 extra_EXT_pixel_buffer_object },
1144 /* GL_ARB_vertex_program */
1145 { GL_VERTEX_PROGRAM_ARB, /* == GL_VERTEX_PROGRAM_NV */
1146 CONTEXT_BOOL(VertexProgram.Enabled),
1147 extra_ARB_vertex_program_NV_vertex_program },
1148 { GL_VERTEX_PROGRAM_POINT_SIZE_ARB, /* == GL_VERTEX_PROGRAM_POINT_SIZE_NV*/
1149 CONTEXT_BOOL(VertexProgram.PointSizeEnabled),
1150 extra_ARB_vertex_program_NV_vertex_program },
1151 { GL_VERTEX_PROGRAM_TWO_SIDE_ARB, /* == GL_VERTEX_PROGRAM_TWO_SIDE_NV */
1152 CONTEXT_BOOL(VertexProgram.TwoSideEnabled),
1153 extra_ARB_vertex_program_NV_vertex_program },
1154 { GL_MAX_PROGRAM_MATRIX_STACK_DEPTH_ARB, /* == GL_MAX_TRACK_MATRIX_STACK_DEPTH_NV */
1155 CONTEXT_INT(Const.MaxProgramMatrixStackDepth),
1156 extra_ARB_vertex_program_ARB_fragment_program_NV_vertex_program },
1157 { GL_MAX_PROGRAM_MATRICES_ARB, /* == GL_MAX_TRACK_MATRICES_NV */
1158 CONTEXT_INT(Const.MaxProgramMatrices),
1159 extra_ARB_vertex_program_ARB_fragment_program_NV_vertex_program },
1160 { GL_CURRENT_MATRIX_STACK_DEPTH_ARB, /* == GL_CURRENT_MATRIX_STACK_DEPTH_NV */
1161 LOC_CUSTOM, TYPE_INT, 0,
1162 extra_ARB_vertex_program_ARB_fragment_program_NV_vertex_program },
1164 { GL_CURRENT_MATRIX_ARB, /* == GL_CURRENT_MATRIX_NV */
1165 LOC_CUSTOM, TYPE_MATRIX, 0,
1166 extra_ARB_vertex_program_ARB_fragment_program_NV_vertex_program },
1167 { GL_TRANSPOSE_CURRENT_MATRIX_ARB, /* == GL_CURRENT_MATRIX_NV */
1168 LOC_CUSTOM, TYPE_MATRIX, 0,
1169 extra_ARB_vertex_program_ARB_fragment_program },
1171 { GL_PROGRAM_ERROR_POSITION_ARB, /* == GL_PROGRAM_ERROR_POSITION_NV */
1172 CONTEXT_INT(Program.ErrorPos),
1173 extra_NV_vertex_program_ARB_vertex_program_ARB_fragment_program_NV_vertex_program },
1175 /* GL_ARB_fragment_program */
1176 { GL_FRAGMENT_PROGRAM_ARB, CONTEXT_BOOL(FragmentProgram.Enabled),
1177 extra_ARB_fragment_program },
1179 /* GL_EXT_depth_bounds_test */
1180 { GL_DEPTH_BOUNDS_TEST_EXT, CONTEXT_BOOL(Depth.BoundsTest),
1181 extra_EXT_depth_bounds_test },
1182 { GL_DEPTH_BOUNDS_EXT, CONTEXT_FLOAT2(Depth.BoundsMin),
1183 extra_EXT_depth_bounds_test },
1185 /* GL_ARB_depth_clamp*/
1186 { GL_DEPTH_CLAMP, CONTEXT_BOOL(Transform.DepthClamp),
1187 extra_ARB_depth_clamp },
1189 /* GL_ATI_fragment_shader */
1190 { GL_NUM_FRAGMENT_REGISTERS_ATI, CONST(6), extra_ATI_fragment_shader },
1191 { GL_NUM_FRAGMENT_CONSTANTS_ATI, CONST(8), extra_ATI_fragment_shader },
1192 { GL_NUM_PASSES_ATI, CONST(2), extra_ATI_fragment_shader },
1193 { GL_NUM_INSTRUCTIONS_PER_PASS_ATI, CONST(8), extra_ATI_fragment_shader },
1194 { GL_NUM_INSTRUCTIONS_TOTAL_ATI, CONST(16), extra_ATI_fragment_shader },
1195 { GL_COLOR_ALPHA_PAIRING_ATI, CONST(GL_TRUE), extra_ATI_fragment_shader },
1196 { GL_NUM_LOOPBACK_COMPONENTS_ATI, CONST(3), extra_ATI_fragment_shader },
1197 { GL_NUM_INPUT_INTERPOLATOR_COMPONENTS_ATI,
1198 CONST(3), extra_ATI_fragment_shader },
1200 /* GL_EXT_framebuffer_blit
1201 * NOTE: GL_DRAW_FRAMEBUFFER_BINDING_EXT == GL_FRAMEBUFFER_BINDING_EXT */
1202 { GL_READ_FRAMEBUFFER_BINDING_EXT, LOC_CUSTOM, TYPE_INT, 0,
1203 extra_EXT_framebuffer_blit },
1205 /* GL_EXT_provoking_vertex */
1206 { GL_PROVOKING_VERTEX_EXT,
1207 CONTEXT_ENUM(Light.ProvokingVertex), extra_EXT_provoking_vertex },
1208 { GL_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION_EXT,
1209 CONTEXT_BOOL(Const.QuadsFollowProvokingVertexConvention),
1210 extra_EXT_provoking_vertex },
1212 /* GL_ARB_framebuffer_object */
1213 { GL_MAX_SAMPLES, CONTEXT_INT(Const.MaxSamples),
1214 extra_ARB_framebuffer_object_EXT_framebuffer_multisample },
1216 /* GL_ARB_seamless_cube_map */
1217 { GL_TEXTURE_CUBE_MAP_SEAMLESS,
1218 CONTEXT_BOOL(Texture.CubeMapSeamless), extra_ARB_seamless_cube_map },
1221 { GL_MAX_SERVER_WAIT_TIMEOUT,
1222 CONTEXT_INT64(Const.MaxServerWaitTimeout), extra_ARB_sync },
1224 /* GL_EXT_texture_integer */
1225 { GL_RGBA_INTEGER_MODE_EXT, BUFFER_BOOL(_IntegerColor),
1226 extra_EXT_texture_integer },
1228 /* GL_EXT_transform_feedback */
1229 { GL_TRANSFORM_FEEDBACK_BUFFER_BINDING, LOC_CUSTOM, TYPE_INT, 0,
1230 extra_EXT_transform_feedback },
1231 { GL_RASTERIZER_DISCARD, CONTEXT_BOOL(RasterDiscard),
1232 extra_EXT_transform_feedback },
1233 { GL_MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS,
1234 CONTEXT_INT(Const.MaxTransformFeedbackInterleavedComponents),
1235 extra_EXT_transform_feedback },
1236 { GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS,
1237 CONTEXT_INT(Const.MaxTransformFeedbackBuffers),
1238 extra_EXT_transform_feedback },
1239 { GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS,
1240 CONTEXT_INT(Const.MaxTransformFeedbackSeparateComponents),
1241 extra_EXT_transform_feedback },
1243 /* GL_ARB_transform_feedback2 */
1244 { GL_TRANSFORM_FEEDBACK_BUFFER_PAUSED, LOC_CUSTOM, TYPE_BOOLEAN, 0,
1245 extra_ARB_transform_feedback2 },
1246 { GL_TRANSFORM_FEEDBACK_BUFFER_ACTIVE, LOC_CUSTOM, TYPE_BOOLEAN, 0,
1247 extra_ARB_transform_feedback2 },
1248 { GL_TRANSFORM_FEEDBACK_BINDING, LOC_CUSTOM, TYPE_INT, 0,
1249 extra_ARB_transform_feedback2 },
1251 /* GL_ARB_transform_feedback3 */
1252 { GL_MAX_TRANSFORM_FEEDBACK_BUFFERS,
1253 CONTEXT_INT(Const.MaxTransformFeedbackBuffers),
1254 extra_ARB_transform_feedback3 },
1255 { GL_MAX_VERTEX_STREAMS,
1256 CONTEXT_INT(Const.MaxVertexStreams),
1257 extra_ARB_transform_feedback3 },
1259 /* GL_ARB_geometry_shader4 */
1260 { GL_MAX_GEOMETRY_TEXTURE_IMAGE_UNITS_ARB,
1261 CONTEXT_INT(Const.MaxGeometryTextureImageUnits),
1262 extra_ARB_geometry_shader4 },
1263 { GL_MAX_GEOMETRY_OUTPUT_VERTICES_ARB,
1264 CONTEXT_INT(Const.MaxGeometryOutputVertices),
1265 extra_ARB_geometry_shader4 },
1266 { GL_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS_ARB,
1267 CONTEXT_INT(Const.MaxGeometryTotalOutputComponents),
1268 extra_ARB_geometry_shader4 },
1269 { GL_MAX_GEOMETRY_UNIFORM_COMPONENTS_ARB,
1270 CONTEXT_INT(Const.GeometryProgram.MaxUniformComponents),
1271 extra_ARB_geometry_shader4 },
1272 { GL_MAX_GEOMETRY_VARYING_COMPONENTS_ARB,
1273 CONTEXT_INT(Const.MaxGeometryVaryingComponents),
1274 extra_ARB_geometry_shader4 },
1275 { GL_MAX_VERTEX_VARYING_COMPONENTS_ARB,
1276 CONTEXT_INT(Const.MaxVertexVaryingComponents),
1277 extra_ARB_geometry_shader4 },
1279 /* GL_ARB_color_buffer_float */
1280 { GL_RGBA_FLOAT_MODE_ARB, BUFFER_FIELD(Visual.floatMode, TYPE_BOOLEAN), 0 },
1282 /* GL_EXT_gpu_shader4 / GLSL 1.30 */
1283 { GL_MIN_PROGRAM_TEXEL_OFFSET,
1284 CONTEXT_INT(Const.MinProgramTexelOffset),
1286 { GL_MAX_PROGRAM_TEXEL_OFFSET,
1287 CONTEXT_INT(Const.MaxProgramTexelOffset),
1290 /* GL_ARB_texture_buffer_object */
1291 { GL_MAX_TEXTURE_BUFFER_SIZE_ARB, CONTEXT_INT(Const.MaxTextureBufferSize),
1292 extra_texture_buffer_object },
1293 { GL_TEXTURE_BINDING_BUFFER_ARB, LOC_CUSTOM, TYPE_INT, 0,
1294 extra_texture_buffer_object },
1295 { GL_TEXTURE_BUFFER_DATA_STORE_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
1296 TEXTURE_BUFFER_INDEX, extra_texture_buffer_object },
1297 { GL_TEXTURE_BUFFER_FORMAT_ARB, LOC_CUSTOM, TYPE_INT, 0,
1298 extra_texture_buffer_object },
1299 { GL_TEXTURE_BUFFER_ARB, LOC_CUSTOM, TYPE_INT, 0,
1300 extra_texture_buffer_object },
1302 /* GL_ARB_sampler_objects / GL 3.3 */
1303 { GL_SAMPLER_BINDING,
1304 LOC_CUSTOM, TYPE_INT, GL_SAMPLER_BINDING, NO_EXTRA },
1307 { GL_NUM_EXTENSIONS, LOC_CUSTOM, TYPE_INT, 0, extra_version_30 },
1308 { GL_MAJOR_VERSION, LOC_CUSTOM, TYPE_INT, 0, extra_version_30 },
1309 { GL_MINOR_VERSION, LOC_CUSTOM, TYPE_INT, 0, extra_version_30 },
1310 { GL_CONTEXT_FLAGS, CONTEXT_INT(Const.ContextFlags), extra_version_30 },
1312 /* GL3.0 / GL_EXT_framebuffer_sRGB */
1313 { GL_FRAMEBUFFER_SRGB_EXT, CONTEXT_BOOL(Color.sRGBEnabled), extra_EXT_framebuffer_sRGB },
1314 { GL_FRAMEBUFFER_SRGB_CAPABLE_EXT, BUFFER_INT(Visual.sRGBCapable), extra_EXT_framebuffer_sRGB },
1317 /* NOTE: different enum values for GL_PRIMITIVE_RESTART_NV
1318 * vs. GL_PRIMITIVE_RESTART!
1320 { GL_PRIMITIVE_RESTART, CONTEXT_BOOL(Array.PrimitiveRestart),
1322 { GL_PRIMITIVE_RESTART_INDEX, CONTEXT_INT(Array.RestartIndex),
1327 { GL_CONTEXT_PROFILE_MASK, CONTEXT_INT(Const.ProfileMask),
1330 /* GL_ARB_robustness */
1331 { GL_RESET_NOTIFICATION_STRATEGY_ARB, CONTEXT_ENUM(Const.ResetStrategy), NO_EXTRA },
1333 /* GL_ARB_debug_output */
1334 { GL_DEBUG_LOGGED_MESSAGES_ARB, CONTEXT_INT(Debug.NumMessages), NO_EXTRA },
1335 { GL_DEBUG_NEXT_LOGGED_MESSAGE_LENGTH_ARB, CONTEXT_INT(Debug.NextMsgLength), NO_EXTRA },
1336 { GL_MAX_DEBUG_LOGGED_MESSAGES_ARB, CONST(MAX_DEBUG_LOGGED_MESSAGES), NO_EXTRA },
1337 { GL_MAX_DEBUG_MESSAGE_LENGTH_ARB, CONST(MAX_DEBUG_MESSAGE_LENGTH), NO_EXTRA },
1339 { GL_MAX_DUAL_SOURCE_DRAW_BUFFERS, CONTEXT_INT(Const.MaxDualSourceDrawBuffers), extra_ARB_blend_func_extended },
1341 /* GL_ARB_uniform_buffer_object */
1342 { GL_MAX_VERTEX_UNIFORM_BLOCKS, CONTEXT_INT(Const.VertexProgram.MaxUniformBlocks),
1343 extra_ARB_uniform_buffer_object },
1344 { GL_MAX_FRAGMENT_UNIFORM_BLOCKS, CONTEXT_INT(Const.FragmentProgram.MaxUniformBlocks),
1345 extra_ARB_uniform_buffer_object },
1346 { GL_MAX_GEOMETRY_UNIFORM_BLOCKS, CONTEXT_INT(Const.GeometryProgram.MaxUniformBlocks),
1347 extra_ARB_uniform_buffer_object_and_geometry_shader },
1348 { GL_MAX_COMBINED_UNIFORM_BLOCKS, CONTEXT_INT(Const.MaxCombinedUniformBlocks),
1349 extra_ARB_uniform_buffer_object },
1350 { GL_MAX_UNIFORM_BLOCK_SIZE, CONTEXT_INT(Const.MaxUniformBlockSize),
1351 extra_ARB_uniform_buffer_object },
1352 { GL_MAX_UNIFORM_BUFFER_BINDINGS, CONTEXT_INT(Const.MaxUniformBufferBindings),
1353 extra_ARB_uniform_buffer_object },
1355 { GL_MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS, CONTEXT_INT(Const.VertexProgram.MaxCombinedUniformComponents),
1356 extra_ARB_uniform_buffer_object },
1357 { GL_MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS, CONTEXT_INT(Const.FragmentProgram.MaxCombinedUniformComponents),
1358 extra_ARB_uniform_buffer_object },
1359 { GL_MAX_COMBINED_GEOMETRY_UNIFORM_COMPONENTS, CONTEXT_INT(Const.GeometryProgram.MaxCombinedUniformComponents),
1360 extra_ARB_uniform_buffer_object_and_geometry_shader },
1361 { GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT, CONTEXT_INT(Const.UniformBufferOffsetAlignment),
1362 extra_ARB_uniform_buffer_object },
1364 { GL_UNIFORM_BUFFER_BINDING, LOC_CUSTOM, TYPE_INT, 0, extra_ARB_uniform_buffer_object },
1366 /* GL_ARB_timer_query */
1367 { GL_TIMESTAMP, LOC_CUSTOM, TYPE_INT64, 0, extra_ARB_timer_query }
1369 #endif /* FEATURE_GL */
1372 /* All we need now is a way to look up the value struct from the enum.
1373 * The code generated by gcc for the old generated big switch
1374 * statement is a big, balanced, open coded if/else tree, essentially
1375 * an unrolled binary search. It would be natural to sort the new
1376 * enum table and use bsearch(), but we will use a read-only hash
1377 * table instead. bsearch() has a nice guaranteed worst case
1378 * performance, but we're also guaranteed to hit that worst case
1379 * (log2(n) iterations) for about half the enums. Instead, using an
1380 * open addressing hash table, we can find the enum on the first try
1381 * for 80% of the enums, 1 collision for 10% and never more than 5
1382 * collisions for any enum (typical numbers). And the code is very
1383 * simple, even though it feels a little magic. */
1385 static unsigned short table[1024];
1386 static const int prime_factor = 89, prime_step = 281;
1390 print_table_stats(void)
1392 int i, j, collisions[11], count, hash, mask;
1393 const struct value_desc *d;
1396 mask = Elements(table) - 1;
1397 memset(collisions, 0, sizeof collisions);
1399 for (i = 0; i < Elements(table); i++) {
1403 d = &values[table[i]];
1404 hash = (d->pname * prime_factor);
1407 if (values[table[hash & mask]].pname == d->pname)
1419 printf("number of enums: %d (total %d)\n", count, Elements(values));
1420 for (i = 0; i < Elements(collisions) - 1; i++)
1421 if (collisions[i] > 0)
1422 printf(" %d enums with %d %scollisions\n",
1423 collisions[i], i, i == 10 ? "or more " : "");
1428 * Initialize the enum hash for a given API
1430 * This is called from one_time_init() to insert the enum values that
1431 * are valid for the API in question into the enum hash table.
1433 * \param the current context, for determining the API in question
1435 void _mesa_init_get_hash(struct gl_context *ctx)
1437 int i, hash, index, mask;
1438 int api_mask = 0, api_bit;
1440 mask = Elements(table) - 1;
1441 api_bit = 1 << ctx->API;
1443 for (i = 0; i < Elements(values); i++) {
1444 if (values[i].type == TYPE_API_MASK) {
1445 api_mask = values[i].offset;
1448 if (!(api_mask & api_bit))
1451 hash = (values[i].pname * prime_factor) & mask;
1453 index = hash & mask;
1454 if (!table[index]) {
1463 print_table_stats();
1468 * Handle irregular enums
1470 * Some values don't conform to the "well-known type at context
1471 * pointer + offset" pattern, so we have this function to catch all
1472 * the corner cases. Typically, it's a computed value or a one-off
1473 * pointer to a custom struct or something.
1475 * In this case we can't return a pointer to the value, so we'll have
1476 * to use the temporary variable 'v' declared back in the calling
1477 * glGet*v() function to store the result.
1479 * \param ctx the current context
1480 * \param d the struct value_desc that describes the enum
1481 * \param v pointer to the tmp declared in the calling glGet*v() function
1484 find_custom_value(struct gl_context *ctx, const struct value_desc *d, union value *v)
1486 struct gl_buffer_object **buffer_obj;
1487 struct gl_client_array *array;
1491 case GL_MAJOR_VERSION:
1492 v->value_int = ctx->Version / 10;
1494 case GL_MINOR_VERSION:
1495 v->value_int = ctx->Version % 10;
1501 case GL_TEXTURE_1D_ARRAY_EXT:
1502 case GL_TEXTURE_2D_ARRAY_EXT:
1503 case GL_TEXTURE_CUBE_MAP_ARB:
1504 case GL_TEXTURE_RECTANGLE_NV:
1505 case GL_TEXTURE_EXTERNAL_OES:
1506 v->value_bool = _mesa_IsEnabled(d->pname);
1509 case GL_LINE_STIPPLE_PATTERN:
1510 /* This is the only GLushort, special case it here by promoting
1511 * to an int rather than introducing a new type. */
1512 v->value_int = ctx->Line.StipplePattern;
1515 case GL_CURRENT_RASTER_TEXTURE_COORDS:
1516 unit = ctx->Texture.CurrentUnit;
1517 v->value_float_4[0] = ctx->Current.RasterTexCoords[unit][0];
1518 v->value_float_4[1] = ctx->Current.RasterTexCoords[unit][1];
1519 v->value_float_4[2] = ctx->Current.RasterTexCoords[unit][2];
1520 v->value_float_4[3] = ctx->Current.RasterTexCoords[unit][3];
1523 case GL_CURRENT_TEXTURE_COORDS:
1524 unit = ctx->Texture.CurrentUnit;
1525 v->value_float_4[0] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][0];
1526 v->value_float_4[1] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][1];
1527 v->value_float_4[2] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][2];
1528 v->value_float_4[3] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][3];
1531 case GL_COLOR_WRITEMASK:
1532 v->value_int_4[0] = ctx->Color.ColorMask[0][RCOMP] ? 1 : 0;
1533 v->value_int_4[1] = ctx->Color.ColorMask[0][GCOMP] ? 1 : 0;
1534 v->value_int_4[2] = ctx->Color.ColorMask[0][BCOMP] ? 1 : 0;
1535 v->value_int_4[3] = ctx->Color.ColorMask[0][ACOMP] ? 1 : 0;
1539 v->value_bool = ctx->Current.Attrib[VERT_ATTRIB_EDGEFLAG][0] == 1.0;
1542 case GL_READ_BUFFER:
1543 v->value_enum = ctx->ReadBuffer->ColorReadBuffer;
1546 case GL_MAP2_GRID_DOMAIN:
1547 v->value_float_4[0] = ctx->Eval.MapGrid2u1;
1548 v->value_float_4[1] = ctx->Eval.MapGrid2u2;
1549 v->value_float_4[2] = ctx->Eval.MapGrid2v1;
1550 v->value_float_4[3] = ctx->Eval.MapGrid2v2;
1553 case GL_TEXTURE_STACK_DEPTH:
1554 unit = ctx->Texture.CurrentUnit;
1555 v->value_int = ctx->TextureMatrixStack[unit].Depth + 1;
1557 case GL_TEXTURE_MATRIX:
1558 unit = ctx->Texture.CurrentUnit;
1559 v->value_matrix = ctx->TextureMatrixStack[unit].Top;
1562 case GL_TEXTURE_COORD_ARRAY:
1563 case GL_TEXTURE_COORD_ARRAY_SIZE:
1564 case GL_TEXTURE_COORD_ARRAY_TYPE:
1565 case GL_TEXTURE_COORD_ARRAY_STRIDE:
1566 array = &ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_TEX(ctx->Array.ActiveTexture)];
1567 v->value_int = *(GLuint *) ((char *) array + d->offset);
1570 case GL_ACTIVE_TEXTURE_ARB:
1571 v->value_int = GL_TEXTURE0_ARB + ctx->Texture.CurrentUnit;
1573 case GL_CLIENT_ACTIVE_TEXTURE_ARB:
1574 v->value_int = GL_TEXTURE0_ARB + ctx->Array.ActiveTexture;
1577 case GL_MODELVIEW_STACK_DEPTH:
1578 case GL_PROJECTION_STACK_DEPTH:
1579 v->value_int = *(GLint *) ((char *) ctx + d->offset) + 1;
1582 case GL_MAX_TEXTURE_SIZE:
1583 case GL_MAX_3D_TEXTURE_SIZE:
1584 case GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB:
1585 p = (GLuint *) ((char *) ctx + d->offset);
1586 v->value_int = 1 << (*p - 1);
1589 case GL_SCISSOR_BOX:
1590 v->value_int_4[0] = ctx->Scissor.X;
1591 v->value_int_4[1] = ctx->Scissor.Y;
1592 v->value_int_4[2] = ctx->Scissor.Width;
1593 v->value_int_4[3] = ctx->Scissor.Height;
1598 ctx->ListState.CurrentList ? ctx->ListState.CurrentList->Name : 0;
1601 if (!ctx->CompileFlag)
1603 else if (ctx->ExecuteFlag)
1604 v->value_enum = GL_COMPILE_AND_EXECUTE;
1606 v->value_enum = GL_COMPILE;
1610 v->value_int_4[0] = ctx->Viewport.X;
1611 v->value_int_4[1] = ctx->Viewport.Y;
1612 v->value_int_4[2] = ctx->Viewport.Width;
1613 v->value_int_4[3] = ctx->Viewport.Height;
1616 case GL_ACTIVE_STENCIL_FACE_EXT:
1617 v->value_enum = ctx->Stencil.ActiveFace ? GL_BACK : GL_FRONT;
1620 case GL_STENCIL_FAIL:
1621 v->value_enum = ctx->Stencil.FailFunc[ctx->Stencil.ActiveFace];
1623 case GL_STENCIL_FUNC:
1624 v->value_enum = ctx->Stencil.Function[ctx->Stencil.ActiveFace];
1626 case GL_STENCIL_PASS_DEPTH_FAIL:
1627 v->value_enum = ctx->Stencil.ZFailFunc[ctx->Stencil.ActiveFace];
1629 case GL_STENCIL_PASS_DEPTH_PASS:
1630 v->value_enum = ctx->Stencil.ZPassFunc[ctx->Stencil.ActiveFace];
1632 case GL_STENCIL_REF:
1633 v->value_int = ctx->Stencil.Ref[ctx->Stencil.ActiveFace];
1635 case GL_STENCIL_VALUE_MASK:
1636 v->value_int = ctx->Stencil.ValueMask[ctx->Stencil.ActiveFace];
1638 case GL_STENCIL_WRITEMASK:
1639 v->value_int = ctx->Stencil.WriteMask[ctx->Stencil.ActiveFace];
1642 case GL_NUM_EXTENSIONS:
1643 v->value_int = _mesa_get_extension_count(ctx);
1646 case GL_IMPLEMENTATION_COLOR_READ_TYPE_OES:
1647 v->value_int = _mesa_get_color_read_type(ctx);
1649 case GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES:
1650 v->value_int = _mesa_get_color_read_format(ctx);
1653 case GL_CURRENT_MATRIX_STACK_DEPTH_ARB:
1654 v->value_int = ctx->CurrentStack->Depth + 1;
1656 case GL_CURRENT_MATRIX_ARB:
1657 case GL_TRANSPOSE_CURRENT_MATRIX_ARB:
1658 v->value_matrix = ctx->CurrentStack->Top;
1661 case GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB:
1662 v->value_int = _mesa_get_compressed_formats(ctx, NULL);
1664 case GL_COMPRESSED_TEXTURE_FORMATS_ARB:
1666 _mesa_get_compressed_formats(ctx, v->value_int_n.ints);
1667 ASSERT(v->value_int_n.n <= 100);
1670 case GL_MAX_VARYING_FLOATS_ARB:
1671 v->value_int = ctx->Const.MaxVarying * 4;
1674 /* Various object names */
1676 case GL_TEXTURE_BINDING_1D:
1677 case GL_TEXTURE_BINDING_2D:
1678 case GL_TEXTURE_BINDING_3D:
1679 case GL_TEXTURE_BINDING_1D_ARRAY_EXT:
1680 case GL_TEXTURE_BINDING_2D_ARRAY_EXT:
1681 case GL_TEXTURE_BINDING_CUBE_MAP_ARB:
1682 case GL_TEXTURE_BINDING_RECTANGLE_NV:
1683 case GL_TEXTURE_BINDING_EXTERNAL_OES:
1684 unit = ctx->Texture.CurrentUnit;
1686 ctx->Texture.Unit[unit].CurrentTex[d->offset]->Name;
1689 /* GL_ARB_vertex_buffer_object */
1690 case GL_VERTEX_ARRAY_BUFFER_BINDING_ARB:
1691 case GL_NORMAL_ARRAY_BUFFER_BINDING_ARB:
1692 case GL_COLOR_ARRAY_BUFFER_BINDING_ARB:
1693 case GL_INDEX_ARRAY_BUFFER_BINDING_ARB:
1694 case GL_EDGE_FLAG_ARRAY_BUFFER_BINDING_ARB:
1695 case GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING_ARB:
1696 case GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING_ARB:
1697 buffer_obj = (struct gl_buffer_object **)
1698 ((char *) ctx->Array.ArrayObj + d->offset);
1699 v->value_int = (*buffer_obj)->Name;
1701 case GL_ARRAY_BUFFER_BINDING_ARB:
1702 v->value_int = ctx->Array.ArrayBufferObj->Name;
1704 case GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING_ARB:
1706 ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_TEX(ctx->Array.ActiveTexture)].BufferObj->Name;
1708 case GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB:
1709 v->value_int = ctx->Array.ArrayObj->ElementArrayBufferObj->Name;
1712 /* ARB_copy_buffer */
1713 case GL_COPY_READ_BUFFER:
1714 v->value_int = ctx->CopyReadBuffer->Name;
1716 case GL_COPY_WRITE_BUFFER:
1717 v->value_int = ctx->CopyWriteBuffer->Name;
1720 case GL_FRAGMENT_PROGRAM_BINDING_NV:
1722 ctx->FragmentProgram.Current ? ctx->FragmentProgram.Current->Base.Id : 0;
1724 case GL_VERTEX_PROGRAM_BINDING_NV:
1726 ctx->VertexProgram.Current ? ctx->VertexProgram.Current->Base.Id : 0;
1728 case GL_PIXEL_PACK_BUFFER_BINDING_EXT:
1729 v->value_int = ctx->Pack.BufferObj->Name;
1731 case GL_PIXEL_UNPACK_BUFFER_BINDING_EXT:
1732 v->value_int = ctx->Unpack.BufferObj->Name;
1734 case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING:
1735 v->value_int = ctx->TransformFeedback.CurrentBuffer->Name;
1737 case GL_TRANSFORM_FEEDBACK_BUFFER_PAUSED:
1738 v->value_int = ctx->TransformFeedback.CurrentObject->Paused;
1740 case GL_TRANSFORM_FEEDBACK_BUFFER_ACTIVE:
1741 v->value_int = ctx->TransformFeedback.CurrentObject->Active;
1743 case GL_TRANSFORM_FEEDBACK_BINDING:
1744 v->value_int = ctx->TransformFeedback.CurrentObject->Name;
1746 case GL_CURRENT_PROGRAM:
1748 ctx->Shader.ActiveProgram ? ctx->Shader.ActiveProgram->Name : 0;
1750 case GL_READ_FRAMEBUFFER_BINDING_EXT:
1751 v->value_int = ctx->ReadBuffer->Name;
1753 case GL_RENDERBUFFER_BINDING_EXT:
1755 ctx->CurrentRenderbuffer ? ctx->CurrentRenderbuffer->Name : 0;
1757 case GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES:
1758 v->value_int = ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_POINT_SIZE].BufferObj->Name;
1762 if(ctx->Color._ClampFragmentColor)
1763 COPY_4FV(v->value_float_4, ctx->Fog.Color);
1765 COPY_4FV(v->value_float_4, ctx->Fog.ColorUnclamped);
1767 case GL_COLOR_CLEAR_VALUE:
1768 if(ctx->Color._ClampFragmentColor) {
1769 v->value_float_4[0] = CLAMP(ctx->Color.ClearColor.f[0], 0.0F, 1.0F);
1770 v->value_float_4[1] = CLAMP(ctx->Color.ClearColor.f[1], 0.0F, 1.0F);
1771 v->value_float_4[2] = CLAMP(ctx->Color.ClearColor.f[2], 0.0F, 1.0F);
1772 v->value_float_4[3] = CLAMP(ctx->Color.ClearColor.f[3], 0.0F, 1.0F);
1774 COPY_4FV(v->value_float_4, ctx->Color.ClearColor.f);
1776 case GL_BLEND_COLOR_EXT:
1777 if(ctx->Color._ClampFragmentColor)
1778 COPY_4FV(v->value_float_4, ctx->Color.BlendColor);
1780 COPY_4FV(v->value_float_4, ctx->Color.BlendColorUnclamped);
1782 case GL_ALPHA_TEST_REF:
1783 if(ctx->Color._ClampFragmentColor)
1784 v->value_float = ctx->Color.AlphaRef;
1786 v->value_float = ctx->Color.AlphaRefUnclamped;
1788 case GL_MAX_VERTEX_UNIFORM_VECTORS:
1789 v->value_int = ctx->Const.VertexProgram.MaxUniformComponents / 4;
1792 case GL_MAX_FRAGMENT_UNIFORM_VECTORS:
1793 v->value_int = ctx->Const.FragmentProgram.MaxUniformComponents / 4;
1796 /* GL_ARB_texture_buffer_object */
1797 case GL_TEXTURE_BUFFER_ARB:
1798 v->value_int = ctx->Texture.BufferObject->Name;
1800 case GL_TEXTURE_BINDING_BUFFER_ARB:
1801 unit = ctx->Texture.CurrentUnit;
1803 ctx->Texture.Unit[unit].CurrentTex[TEXTURE_BUFFER_INDEX]->Name;
1805 case GL_TEXTURE_BUFFER_DATA_STORE_BINDING_ARB:
1807 struct gl_buffer_object *buf =
1808 ctx->Texture.Unit[ctx->Texture.CurrentUnit]
1809 .CurrentTex[TEXTURE_BUFFER_INDEX]->BufferObject;
1810 v->value_int = buf ? buf->Name : 0;
1813 case GL_TEXTURE_BUFFER_FORMAT_ARB:
1814 v->value_int = ctx->Texture.Unit[ctx->Texture.CurrentUnit]
1815 .CurrentTex[TEXTURE_BUFFER_INDEX]->BufferObjectFormat;
1818 /* GL_ARB_sampler_objects */
1819 case GL_SAMPLER_BINDING:
1821 struct gl_sampler_object *samp =
1822 ctx->Texture.Unit[ctx->Texture.CurrentUnit].Sampler;
1823 v->value_int = samp ? samp->Name : 0;
1826 /* GL_ARB_uniform_buffer_object */
1827 case GL_UNIFORM_BUFFER_BINDING:
1828 v->value_int = ctx->UniformBuffer->Name;
1830 /* GL_ARB_timer_query */
1832 if (ctx->Driver.GetTimestamp) {
1833 v->value_int64 = ctx->Driver.GetTimestamp(ctx);
1836 _mesa_problem(ctx, "driver doesn't implement GetTimestamp");
1843 * Check extra constraints on a struct value_desc descriptor
1845 * If a struct value_desc has a non-NULL extra pointer, it means that
1846 * there are a number of extra constraints to check or actions to
1847 * perform. The extras is just an integer array where each integer
1848 * encode different constraints or actions.
1850 * \param ctx current context
1851 * \param func name of calling glGet*v() function for error reporting
1852 * \param d the struct value_desc that has the extra constraints
1854 * \return GL_FALSE if one of the constraints was not satisfied,
1855 * otherwise GL_TRUE.
1858 check_extra(struct gl_context *ctx, const char *func, const struct value_desc *d)
1860 const GLuint version = ctx->Version;
1866 for (e = d->extra; *e != EXTRA_END; e++)
1868 case EXTRA_VERSION_30:
1869 if (version >= 30) {
1874 case EXTRA_VERSION_31:
1875 if (version >= 31) {
1880 case EXTRA_VERSION_32:
1881 if (version >= 32) {
1886 case EXTRA_NEW_FRAG_CLAMP:
1887 if (ctx->NewState & (_NEW_BUFFERS | _NEW_FRAG_CLAMP))
1888 _mesa_update_state(ctx);
1891 if (ctx->API == API_OPENGLES2) {
1897 if (_mesa_is_desktop_gl(ctx)) {
1902 case EXTRA_NEW_BUFFERS:
1903 if (ctx->NewState & _NEW_BUFFERS)
1904 _mesa_update_state(ctx);
1906 case EXTRA_FLUSH_CURRENT:
1907 FLUSH_CURRENT(ctx, 0);
1909 case EXTRA_VALID_DRAW_BUFFER:
1910 if (d->pname - GL_DRAW_BUFFER0_ARB >= ctx->Const.MaxDrawBuffers) {
1911 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(draw buffer %u)",
1912 func, d->pname - GL_DRAW_BUFFER0_ARB);
1916 case EXTRA_VALID_TEXTURE_UNIT:
1917 if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) {
1918 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(texture %u)",
1919 func, ctx->Texture.CurrentUnit);
1923 case EXTRA_VALID_CLIP_DISTANCE:
1924 if (d->pname - GL_CLIP_DISTANCE0 >= ctx->Const.MaxClipPlanes) {
1925 _mesa_error(ctx, GL_INVALID_ENUM, "%s(clip distance %u)",
1926 func, d->pname - GL_CLIP_DISTANCE0);
1930 case EXTRA_GLSL_130:
1931 if (ctx->Const.GLSLVersion >= 130) {
1938 default: /* *e is a offset into the extension struct */
1940 if (*(GLboolean *) ((char *) &ctx->Extensions + *e))
1945 if (total > 0 && enabled == 0) {
1946 _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=%s)", func,
1947 _mesa_lookup_enum_by_nr(d->pname));
1954 static const struct value_desc error_value =
1955 { 0, 0, TYPE_INVALID, NO_OFFSET, NO_EXTRA };
1958 * Find the struct value_desc corresponding to the enum 'pname'.
1960 * We hash the enum value to get an index into the 'table' array,
1961 * which holds the index in the 'values' array of struct value_desc.
1962 * Once we've found the entry, we do the extra checks, if any, then
1963 * look up the value and return a pointer to it.
1965 * If the value has to be computed (for example, it's the result of a
1966 * function call or we need to add 1 to it), we use the tmp 'v' to
1969 * \param func name of glGet*v() func for error reporting
1970 * \param pname the enum value we're looking up
1971 * \param p is were we return the pointer to the value
1972 * \param v a tmp union value variable in the calling glGet*v() function
1974 * \return the struct value_desc corresponding to the enum or a struct
1975 * value_desc of TYPE_INVALID if not found. This lets the calling
1976 * glGet*v() function jump right into a switch statement and
1977 * handle errors there instead of having to check for NULL.
1979 static const struct value_desc *
1980 find_value(const char *func, GLenum pname, void **p, union value *v)
1982 GET_CURRENT_CONTEXT(ctx);
1983 struct gl_texture_unit *unit;
1985 const struct value_desc *d;
1987 mask = Elements(table) - 1;
1988 hash = (pname * prime_factor);
1990 d = &values[table[hash & mask]];
1992 /* If the enum isn't valid, the hash walk ends with index 0,
1993 * which is the API mask entry at the beginning of values[]. */
1994 if (unlikely(d->type == TYPE_API_MASK)) {
1995 _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=%s)", func,
1996 _mesa_lookup_enum_by_nr(pname));
1997 return &error_value;
2000 if (likely(d->pname == pname))
2006 if (unlikely(d->extra && !check_extra(ctx, func, d)))
2007 return &error_value;
2009 switch (d->location) {
2011 *p = ((char *) ctx->DrawBuffer + d->offset);
2014 *p = ((char *) ctx + d->offset);
2017 *p = ((char *) ctx->Array.ArrayObj + d->offset);
2020 unit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
2021 *p = ((char *) unit + d->offset);
2024 find_custom_value(ctx, d, v);
2032 /* silence warning */
2033 return &error_value;
2036 static const int transpose[] = {
2044 _mesa_GetBooleanv(GLenum pname, GLboolean *params)
2046 const struct value_desc *d;
2051 GET_CURRENT_CONTEXT(ctx);
2053 ASSERT_OUTSIDE_BEGIN_END(ctx);
2055 d = find_value("glGetBooleanv", pname, &p, &v);
2060 params[0] = INT_TO_BOOLEAN(d->offset);
2065 params[3] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[3]);
2068 params[2] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[2]);
2071 params[1] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[1]);
2074 params[0] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[0]);
2078 params[0] = FLOAT_TO_BOOLEAN(((GLdouble *) p)[0]);
2082 params[3] = INT_TO_BOOLEAN(((GLint *) p)[3]);
2084 params[2] = INT_TO_BOOLEAN(((GLint *) p)[2]);
2087 params[1] = INT_TO_BOOLEAN(((GLint *) p)[1]);
2090 params[0] = INT_TO_BOOLEAN(((GLint *) p)[0]);
2094 for (i = 0; i < v.value_int_n.n; i++)
2095 params[i] = INT_TO_BOOLEAN(v.value_int_n.ints[i]);
2099 params[0] = INT64_TO_BOOLEAN(((GLint64 *) p)[0]);
2103 params[0] = ((GLboolean*) p)[0];
2107 m = *(GLmatrix **) p;
2108 for (i = 0; i < 16; i++)
2109 params[i] = FLOAT_TO_BOOLEAN(m->m[i]);
2113 m = *(GLmatrix **) p;
2114 for (i = 0; i < 16; i++)
2115 params[i] = FLOAT_TO_BOOLEAN(m->m[transpose[i]]);
2126 shift = d->type - TYPE_BIT_0;
2127 params[0] = (*(GLbitfield *) p >> shift) & 1;
2133 _mesa_GetFloatv(GLenum pname, GLfloat *params)
2135 const struct value_desc *d;
2140 GET_CURRENT_CONTEXT(ctx);
2142 ASSERT_OUTSIDE_BEGIN_END(ctx);
2144 d = find_value("glGetFloatv", pname, &p, &v);
2149 params[0] = (GLfloat) d->offset;
2154 params[3] = ((GLfloat *) p)[3];
2157 params[2] = ((GLfloat *) p)[2];
2160 params[1] = ((GLfloat *) p)[1];
2163 params[0] = ((GLfloat *) p)[0];
2167 params[0] = ((GLdouble *) p)[0];
2171 params[3] = (GLfloat) (((GLint *) p)[3]);
2173 params[2] = (GLfloat) (((GLint *) p)[2]);
2176 params[1] = (GLfloat) (((GLint *) p)[1]);
2179 params[0] = (GLfloat) (((GLint *) p)[0]);
2183 for (i = 0; i < v.value_int_n.n; i++)
2184 params[i] = INT_TO_FLOAT(v.value_int_n.ints[i]);
2188 params[0] = ((GLint64 *) p)[0];
2192 params[0] = BOOLEAN_TO_FLOAT(*(GLboolean*) p);
2196 m = *(GLmatrix **) p;
2197 for (i = 0; i < 16; i++)
2198 params[i] = m->m[i];
2202 m = *(GLmatrix **) p;
2203 for (i = 0; i < 16; i++)
2204 params[i] = m->m[transpose[i]];
2215 shift = d->type - TYPE_BIT_0;
2216 params[0] = BOOLEAN_TO_FLOAT((*(GLbitfield *) p >> shift) & 1);
2222 _mesa_GetIntegerv(GLenum pname, GLint *params)
2224 const struct value_desc *d;
2229 GET_CURRENT_CONTEXT(ctx);
2231 ASSERT_OUTSIDE_BEGIN_END(ctx);
2233 d = find_value("glGetIntegerv", pname, &p, &v);
2238 params[0] = d->offset;
2242 params[3] = IROUND(((GLfloat *) p)[3]);
2244 params[2] = IROUND(((GLfloat *) p)[2]);
2246 params[1] = IROUND(((GLfloat *) p)[1]);
2248 params[0] = IROUND(((GLfloat *) p)[0]);
2252 params[3] = FLOAT_TO_INT(((GLfloat *) p)[3]);
2254 params[2] = FLOAT_TO_INT(((GLfloat *) p)[2]);
2256 params[1] = FLOAT_TO_INT(((GLfloat *) p)[1]);
2258 params[0] = FLOAT_TO_INT(((GLfloat *) p)[0]);
2262 params[0] = FLOAT_TO_INT(((GLdouble *) p)[0]);
2266 params[3] = ((GLint *) p)[3];
2268 params[2] = ((GLint *) p)[2];
2271 params[1] = ((GLint *) p)[1];
2274 params[0] = ((GLint *) p)[0];
2278 for (i = 0; i < v.value_int_n.n; i++)
2279 params[i] = v.value_int_n.ints[i];
2283 params[0] = INT64_TO_INT(((GLint64 *) p)[0]);
2287 params[0] = BOOLEAN_TO_INT(*(GLboolean*) p);
2291 m = *(GLmatrix **) p;
2292 for (i = 0; i < 16; i++)
2293 params[i] = FLOAT_TO_INT(m->m[i]);
2297 m = *(GLmatrix **) p;
2298 for (i = 0; i < 16; i++)
2299 params[i] = FLOAT_TO_INT(m->m[transpose[i]]);
2310 shift = d->type - TYPE_BIT_0;
2311 params[0] = (*(GLbitfield *) p >> shift) & 1;
2316 #if FEATURE_ARB_sync
2318 _mesa_GetInteger64v(GLenum pname, GLint64 *params)
2320 const struct value_desc *d;
2325 GET_CURRENT_CONTEXT(ctx);
2327 ASSERT_OUTSIDE_BEGIN_END(ctx);
2329 d = find_value("glGetInteger64v", pname, &p, &v);
2334 params[0] = d->offset;
2338 params[3] = IROUND64(((GLfloat *) p)[3]);
2340 params[2] = IROUND64(((GLfloat *) p)[2]);
2342 params[1] = IROUND64(((GLfloat *) p)[1]);
2344 params[0] = IROUND64(((GLfloat *) p)[0]);
2348 params[3] = FLOAT_TO_INT64(((GLfloat *) p)[3]);
2350 params[2] = FLOAT_TO_INT64(((GLfloat *) p)[2]);
2352 params[1] = FLOAT_TO_INT64(((GLfloat *) p)[1]);
2354 params[0] = FLOAT_TO_INT64(((GLfloat *) p)[0]);
2358 params[0] = FLOAT_TO_INT64(((GLdouble *) p)[0]);
2362 params[3] = ((GLint *) p)[3];
2364 params[2] = ((GLint *) p)[2];
2367 params[1] = ((GLint *) p)[1];
2370 params[0] = ((GLint *) p)[0];
2374 for (i = 0; i < v.value_int_n.n; i++)
2375 params[i] = INT_TO_BOOLEAN(v.value_int_n.ints[i]);
2379 params[0] = ((GLint64 *) p)[0];
2383 params[0] = ((GLboolean*) p)[0];
2387 m = *(GLmatrix **) p;
2388 for (i = 0; i < 16; i++)
2389 params[i] = FLOAT_TO_INT64(m->m[i]);
2393 m = *(GLmatrix **) p;
2394 for (i = 0; i < 16; i++)
2395 params[i] = FLOAT_TO_INT64(m->m[transpose[i]]);
2406 shift = d->type - TYPE_BIT_0;
2407 params[0] = (*(GLbitfield *) p >> shift) & 1;
2411 #endif /* FEATURE_ARB_sync */
2414 _mesa_GetDoublev(GLenum pname, GLdouble *params)
2416 const struct value_desc *d;
2421 GET_CURRENT_CONTEXT(ctx);
2423 ASSERT_OUTSIDE_BEGIN_END(ctx);
2425 d = find_value("glGetDoublev", pname, &p, &v);
2430 params[0] = d->offset;
2435 params[3] = ((GLfloat *) p)[3];
2438 params[2] = ((GLfloat *) p)[2];
2441 params[1] = ((GLfloat *) p)[1];
2444 params[0] = ((GLfloat *) p)[0];
2448 params[0] = ((GLdouble *) p)[0];
2452 params[3] = ((GLint *) p)[3];
2454 params[2] = ((GLint *) p)[2];
2457 params[1] = ((GLint *) p)[1];
2460 params[0] = ((GLint *) p)[0];
2464 for (i = 0; i < v.value_int_n.n; i++)
2465 params[i] = v.value_int_n.ints[i];
2469 params[0] = ((GLint64 *) p)[0];
2473 params[0] = *(GLboolean*) p;
2477 m = *(GLmatrix **) p;
2478 for (i = 0; i < 16; i++)
2479 params[i] = m->m[i];
2483 m = *(GLmatrix **) p;
2484 for (i = 0; i < 16; i++)
2485 params[i] = m->m[transpose[i]];
2496 shift = d->type - TYPE_BIT_0;
2497 params[0] = (*(GLbitfield *) p >> shift) & 1;
2502 static enum value_type
2503 find_value_indexed(const char *func, GLenum pname, int index, union value *v)
2505 GET_CURRENT_CONTEXT(ctx);
2510 if (index >= ctx->Const.MaxDrawBuffers)
2512 if (!ctx->Extensions.EXT_draw_buffers2)
2514 v->value_int = (ctx->Color.BlendEnabled >> index) & 1;
2519 case GL_BLEND_SRC_RGB:
2520 if (index >= ctx->Const.MaxDrawBuffers)
2522 if (!ctx->Extensions.ARB_draw_buffers_blend)
2524 v->value_int = ctx->Color.Blend[index].SrcRGB;
2526 case GL_BLEND_SRC_ALPHA:
2527 if (index >= ctx->Const.MaxDrawBuffers)
2529 if (!ctx->Extensions.ARB_draw_buffers_blend)
2531 v->value_int = ctx->Color.Blend[index].SrcA;
2535 case GL_BLEND_DST_RGB:
2536 if (index >= ctx->Const.MaxDrawBuffers)
2538 if (!ctx->Extensions.ARB_draw_buffers_blend)
2540 v->value_int = ctx->Color.Blend[index].DstRGB;
2542 case GL_BLEND_DST_ALPHA:
2543 if (index >= ctx->Const.MaxDrawBuffers)
2545 if (!ctx->Extensions.ARB_draw_buffers_blend)
2547 v->value_int = ctx->Color.Blend[index].DstA;
2549 case GL_BLEND_EQUATION_RGB:
2550 if (index >= ctx->Const.MaxDrawBuffers)
2552 if (!ctx->Extensions.ARB_draw_buffers_blend)
2554 v->value_int = ctx->Color.Blend[index].EquationRGB;
2556 case GL_BLEND_EQUATION_ALPHA:
2557 if (index >= ctx->Const.MaxDrawBuffers)
2559 if (!ctx->Extensions.ARB_draw_buffers_blend)
2561 v->value_int = ctx->Color.Blend[index].EquationA;
2564 case GL_COLOR_WRITEMASK:
2565 if (index >= ctx->Const.MaxDrawBuffers)
2567 if (!ctx->Extensions.EXT_draw_buffers2)
2569 v->value_int_4[0] = ctx->Color.ColorMask[index][RCOMP] ? 1 : 0;
2570 v->value_int_4[1] = ctx->Color.ColorMask[index][GCOMP] ? 1 : 0;
2571 v->value_int_4[2] = ctx->Color.ColorMask[index][BCOMP] ? 1 : 0;
2572 v->value_int_4[3] = ctx->Color.ColorMask[index][ACOMP] ? 1 : 0;
2575 case GL_TRANSFORM_FEEDBACK_BUFFER_START:
2576 if (index >= ctx->Const.MaxTransformFeedbackBuffers)
2578 if (!ctx->Extensions.EXT_transform_feedback)
2580 v->value_int64 = ctx->TransformFeedback.CurrentObject->Offset[index];
2583 case GL_TRANSFORM_FEEDBACK_BUFFER_SIZE:
2584 if (index >= ctx->Const.MaxTransformFeedbackBuffers)
2586 if (!ctx->Extensions.EXT_transform_feedback)
2588 v->value_int64 = ctx->TransformFeedback.CurrentObject->Size[index];
2591 case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING:
2592 if (index >= ctx->Const.MaxTransformFeedbackBuffers)
2594 if (!ctx->Extensions.EXT_transform_feedback)
2596 v->value_int = ctx->TransformFeedback.CurrentObject->BufferNames[index];
2599 case GL_UNIFORM_BUFFER_BINDING:
2600 if (index >= ctx->Const.MaxUniformBufferBindings)
2602 if (!ctx->Extensions.ARB_uniform_buffer_object)
2604 v->value_int = ctx->UniformBufferBindings[index].BufferObject->Name;
2607 case GL_UNIFORM_BUFFER_START:
2608 if (index >= ctx->Const.MaxUniformBufferBindings)
2610 if (!ctx->Extensions.ARB_uniform_buffer_object)
2612 v->value_int = ctx->UniformBufferBindings[index].Offset;
2615 case GL_UNIFORM_BUFFER_SIZE:
2616 if (index >= ctx->Const.MaxUniformBufferBindings)
2618 if (!ctx->Extensions.ARB_uniform_buffer_object)
2620 v->value_int = ctx->UniformBufferBindings[index].Size;
2625 _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=%s)", func,
2626 _mesa_lookup_enum_by_nr(pname));
2627 return TYPE_INVALID;
2629 _mesa_error(ctx, GL_INVALID_VALUE, "%s(pname=%s)", func,
2630 _mesa_lookup_enum_by_nr(pname));
2631 return TYPE_INVALID;
2635 _mesa_GetBooleanIndexedv( GLenum pname, GLuint index, GLboolean *params )
2638 enum value_type type =
2639 find_value_indexed("glGetBooleanIndexedv", pname, index, &v);
2643 params[0] = INT_TO_BOOLEAN(v.value_int);
2646 params[0] = INT_TO_BOOLEAN(v.value_int_4[0]);
2647 params[1] = INT_TO_BOOLEAN(v.value_int_4[1]);
2648 params[2] = INT_TO_BOOLEAN(v.value_int_4[2]);
2649 params[3] = INT_TO_BOOLEAN(v.value_int_4[3]);
2652 params[0] = INT64_TO_BOOLEAN(v.value_int);
2655 ; /* nothing - GL error was recorded */
2660 _mesa_GetIntegerIndexedv( GLenum pname, GLuint index, GLint *params )
2663 enum value_type type =
2664 find_value_indexed("glGetIntegerIndexedv", pname, index, &v);
2668 params[0] = v.value_int;
2671 params[0] = v.value_int_4[0];
2672 params[1] = v.value_int_4[1];
2673 params[2] = v.value_int_4[2];
2674 params[3] = v.value_int_4[3];
2677 params[0] = INT64_TO_INT(v.value_int);
2680 ; /* nothing - GL error was recorded */
2684 #if FEATURE_ARB_sync
2686 _mesa_GetInteger64Indexedv( GLenum pname, GLuint index, GLint64 *params )
2689 enum value_type type =
2690 find_value_indexed("glGetIntegerIndexedv", pname, index, &v);
2694 params[0] = v.value_int;
2697 params[0] = v.value_int_4[0];
2698 params[1] = v.value_int_4[1];
2699 params[2] = v.value_int_4[2];
2700 params[3] = v.value_int_4[3];
2703 params[0] = v.value_int;
2706 ; /* nothing - GL error was recorded */
2709 #endif /* FEATURE_ARB_sync */
2713 _mesa_GetFixedv(GLenum pname, GLfixed *params)
2715 const struct value_desc *d;
2721 d = find_value("glGetDoublev", pname, &p, &v);
2726 params[0] = INT_TO_FIXED(d->offset);
2731 params[3] = FLOAT_TO_FIXED(((GLfloat *) p)[3]);
2734 params[2] = FLOAT_TO_FIXED(((GLfloat *) p)[2]);
2737 params[1] = FLOAT_TO_FIXED(((GLfloat *) p)[1]);
2740 params[0] = FLOAT_TO_FIXED(((GLfloat *) p)[0]);
2744 params[0] = FLOAT_TO_FIXED(((GLdouble *) p)[0]);
2748 params[3] = INT_TO_FIXED(((GLint *) p)[3]);
2750 params[2] = INT_TO_FIXED(((GLint *) p)[2]);
2753 params[1] = INT_TO_FIXED(((GLint *) p)[1]);
2756 params[0] = INT_TO_FIXED(((GLint *) p)[0]);
2760 for (i = 0; i < v.value_int_n.n; i++)
2761 params[i] = INT_TO_FIXED(v.value_int_n.ints[i]);
2765 params[0] = ((GLint64 *) p)[0];
2769 params[0] = BOOLEAN_TO_FIXED(((GLboolean*) p)[0]);
2773 m = *(GLmatrix **) p;
2774 for (i = 0; i < 16; i++)
2775 params[i] = FLOAT_TO_FIXED(m->m[i]);
2779 m = *(GLmatrix **) p;
2780 for (i = 0; i < 16; i++)
2781 params[i] = FLOAT_TO_FIXED(m->m[transpose[i]]);
2792 shift = d->type - TYPE_BIT_0;
2793 params[0] = BOOLEAN_TO_FIXED((*(GLbitfield *) p >> shift) & 1);