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, CONTEXT_ENUM(Color.Blend[0].SrcRGB), NO_EXTRA },
475 { GL_BLEND_DST_RGB, CONTEXT_ENUM(Color.Blend[0].DstRGB), NO_EXTRA },
476 { GL_BLEND_SRC_ALPHA, CONTEXT_ENUM(Color.Blend[0].SrcA), NO_EXTRA },
477 { GL_BLEND_DST_ALPHA, 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, 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 /* GL_EXT_texture_filter_anisotropic */
540 { GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT,
541 CONTEXT_FLOAT(Const.MaxTextureMaxAnisotropy),
542 extra_EXT_texture_filter_anisotropic },
544 #if FEATURE_GL || FEATURE_ES1
545 /* Enums in OpenGL and GLES1 */
546 { 0, 0, TYPE_API_MASK, API_OPENGL_BIT | API_OPENGLES_BIT | API_OPENGL_CORE_BIT, NO_EXTRA },
547 { GL_MAX_LIGHTS, CONTEXT_INT(Const.MaxLights), NO_EXTRA },
548 { GL_LIGHT0, CONTEXT_BOOL(Light.Light[0].Enabled), NO_EXTRA },
549 { GL_LIGHT1, CONTEXT_BOOL(Light.Light[1].Enabled), NO_EXTRA },
550 { GL_LIGHT2, CONTEXT_BOOL(Light.Light[2].Enabled), NO_EXTRA },
551 { GL_LIGHT3, CONTEXT_BOOL(Light.Light[3].Enabled), NO_EXTRA },
552 { GL_LIGHT4, CONTEXT_BOOL(Light.Light[4].Enabled), NO_EXTRA },
553 { GL_LIGHT5, CONTEXT_BOOL(Light.Light[5].Enabled), NO_EXTRA },
554 { GL_LIGHT6, CONTEXT_BOOL(Light.Light[6].Enabled), NO_EXTRA },
555 { GL_LIGHT7, CONTEXT_BOOL(Light.Light[7].Enabled), NO_EXTRA },
556 { GL_LIGHTING, CONTEXT_BOOL(Light.Enabled), NO_EXTRA },
557 { GL_LIGHT_MODEL_AMBIENT,
558 CONTEXT_FIELD(Light.Model.Ambient[0], TYPE_FLOATN_4), NO_EXTRA },
559 { GL_LIGHT_MODEL_TWO_SIDE, CONTEXT_BOOL(Light.Model.TwoSide), NO_EXTRA },
560 { GL_ALPHA_TEST, CONTEXT_BOOL(Color.AlphaEnabled), NO_EXTRA },
561 { GL_ALPHA_TEST_FUNC, CONTEXT_ENUM(Color.AlphaFunc), NO_EXTRA },
562 { GL_ALPHA_TEST_REF, LOC_CUSTOM, TYPE_FLOATN, 0, extra_new_frag_clamp },
563 { GL_BLEND_DST, CONTEXT_ENUM(Color.Blend[0].DstRGB), NO_EXTRA },
564 { GL_CLIP_DISTANCE0, CONTEXT_BIT0(Transform.ClipPlanesEnabled), extra_valid_clip_distance },
565 { GL_CLIP_DISTANCE1, CONTEXT_BIT1(Transform.ClipPlanesEnabled), extra_valid_clip_distance },
566 { GL_CLIP_DISTANCE2, CONTEXT_BIT2(Transform.ClipPlanesEnabled), extra_valid_clip_distance },
567 { GL_CLIP_DISTANCE3, CONTEXT_BIT3(Transform.ClipPlanesEnabled), extra_valid_clip_distance },
568 { GL_CLIP_DISTANCE4, CONTEXT_BIT4(Transform.ClipPlanesEnabled), extra_valid_clip_distance },
569 { GL_CLIP_DISTANCE5, CONTEXT_BIT5(Transform.ClipPlanesEnabled), extra_valid_clip_distance },
570 { GL_CLIP_DISTANCE6, CONTEXT_BIT6(Transform.ClipPlanesEnabled), extra_valid_clip_distance },
571 { GL_CLIP_DISTANCE7, CONTEXT_BIT7(Transform.ClipPlanesEnabled), extra_valid_clip_distance },
572 { GL_COLOR_MATERIAL, CONTEXT_BOOL(Light.ColorMaterialEnabled), NO_EXTRA },
574 CONTEXT_FIELD(Current.Attrib[VERT_ATTRIB_COLOR0][0], TYPE_FLOATN_4),
575 extra_flush_current },
577 CONTEXT_FIELD(Current.Attrib[VERT_ATTRIB_NORMAL][0], TYPE_FLOATN_3),
578 extra_flush_current },
579 { GL_CURRENT_TEXTURE_COORDS, LOC_CUSTOM, TYPE_FLOAT_4, 0,
580 extra_flush_current_valid_texture_unit },
581 { GL_POINT_DISTANCE_ATTENUATION, CONTEXT_FLOAT3(Point.Params[0]), NO_EXTRA },
582 { GL_FOG, CONTEXT_BOOL(Fog.Enabled), NO_EXTRA },
583 { GL_FOG_COLOR, LOC_CUSTOM, TYPE_FLOATN_4, 0, extra_new_frag_clamp },
584 { GL_FOG_DENSITY, CONTEXT_FLOAT(Fog.Density), NO_EXTRA },
585 { GL_FOG_END, CONTEXT_FLOAT(Fog.End), NO_EXTRA },
586 { GL_FOG_HINT, CONTEXT_ENUM(Hint.Fog), NO_EXTRA },
587 { GL_FOG_MODE, CONTEXT_ENUM(Fog.Mode), NO_EXTRA },
588 { GL_FOG_START, CONTEXT_FLOAT(Fog.Start), NO_EXTRA },
589 { GL_LINE_SMOOTH, CONTEXT_BOOL(Line.SmoothFlag), NO_EXTRA },
590 { GL_LINE_SMOOTH_HINT, CONTEXT_ENUM(Hint.LineSmooth), NO_EXTRA },
591 { GL_LINE_WIDTH_RANGE, CONTEXT_FLOAT2(Const.MinLineWidthAA), NO_EXTRA },
592 { GL_COLOR_LOGIC_OP, CONTEXT_BOOL(Color.ColorLogicOpEnabled), NO_EXTRA },
593 { GL_LOGIC_OP_MODE, CONTEXT_ENUM(Color.LogicOp), NO_EXTRA },
594 { GL_MATRIX_MODE, CONTEXT_ENUM(Transform.MatrixMode), NO_EXTRA },
595 { GL_MAX_MODELVIEW_STACK_DEPTH, CONST(MAX_MODELVIEW_STACK_DEPTH), NO_EXTRA },
596 { GL_MAX_PROJECTION_STACK_DEPTH, CONST(MAX_PROJECTION_STACK_DEPTH), NO_EXTRA },
597 { GL_MAX_TEXTURE_STACK_DEPTH, CONST(MAX_TEXTURE_STACK_DEPTH), NO_EXTRA },
598 { GL_MODELVIEW_MATRIX, CONTEXT_MATRIX(ModelviewMatrixStack.Top), NO_EXTRA },
599 { GL_MODELVIEW_STACK_DEPTH, LOC_CUSTOM, TYPE_INT,
600 offsetof(struct gl_context, ModelviewMatrixStack.Depth), NO_EXTRA },
601 { GL_NORMALIZE, CONTEXT_BOOL(Transform.Normalize), NO_EXTRA },
602 { GL_PACK_SKIP_IMAGES, CONTEXT_INT(Pack.SkipImages), NO_EXTRA },
603 { GL_PERSPECTIVE_CORRECTION_HINT, CONTEXT_ENUM(Hint.PerspectiveCorrection), NO_EXTRA },
604 { GL_POINT_SIZE, CONTEXT_FLOAT(Point.Size), NO_EXTRA },
605 { GL_POINT_SIZE_RANGE, CONTEXT_FLOAT2(Const.MinPointSizeAA), NO_EXTRA },
606 { GL_POINT_SMOOTH, CONTEXT_BOOL(Point.SmoothFlag), NO_EXTRA },
607 { GL_POINT_SMOOTH_HINT, CONTEXT_ENUM(Hint.PointSmooth), NO_EXTRA },
608 { GL_POINT_SIZE_MIN_EXT, CONTEXT_FLOAT(Point.MinSize), NO_EXTRA },
609 { GL_POINT_SIZE_MAX_EXT, CONTEXT_FLOAT(Point.MaxSize), NO_EXTRA },
610 { GL_POINT_FADE_THRESHOLD_SIZE_EXT, CONTEXT_FLOAT(Point.Threshold), NO_EXTRA },
611 { GL_PROJECTION_MATRIX, CONTEXT_MATRIX(ProjectionMatrixStack.Top), NO_EXTRA },
612 { GL_PROJECTION_STACK_DEPTH, LOC_CUSTOM, TYPE_INT,
613 offsetof(struct gl_context, ProjectionMatrixStack.Depth), NO_EXTRA },
614 { GL_RESCALE_NORMAL, CONTEXT_BOOL(Transform.RescaleNormals), NO_EXTRA },
615 { GL_SHADE_MODEL, CONTEXT_ENUM(Light.ShadeModel), NO_EXTRA },
616 { GL_TEXTURE_2D, LOC_CUSTOM, TYPE_BOOLEAN, 0, NO_EXTRA },
617 { GL_TEXTURE_MATRIX, LOC_CUSTOM, TYPE_MATRIX, 0, extra_valid_texture_unit },
618 { GL_TEXTURE_STACK_DEPTH, LOC_CUSTOM, TYPE_INT, 0,
619 extra_valid_texture_unit },
621 { GL_VERTEX_ARRAY, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_POS].Enabled), NO_EXTRA },
622 { GL_VERTEX_ARRAY_SIZE, ARRAY_INT(VertexAttrib[VERT_ATTRIB_POS].Size), NO_EXTRA },
623 { GL_VERTEX_ARRAY_TYPE, ARRAY_ENUM(VertexAttrib[VERT_ATTRIB_POS].Type), NO_EXTRA },
624 { GL_VERTEX_ARRAY_STRIDE, ARRAY_INT(VertexAttrib[VERT_ATTRIB_POS].Stride), NO_EXTRA },
625 { GL_NORMAL_ARRAY, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_NORMAL].Enabled), NO_EXTRA },
626 { GL_NORMAL_ARRAY_TYPE, ARRAY_ENUM(VertexAttrib[VERT_ATTRIB_NORMAL].Type), NO_EXTRA },
627 { GL_NORMAL_ARRAY_STRIDE, ARRAY_INT(VertexAttrib[VERT_ATTRIB_NORMAL].Stride), NO_EXTRA },
628 { GL_COLOR_ARRAY, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_COLOR0].Enabled), NO_EXTRA },
629 { GL_COLOR_ARRAY_SIZE, ARRAY_INT(VertexAttrib[VERT_ATTRIB_COLOR0].Size), NO_EXTRA },
630 { GL_COLOR_ARRAY_TYPE, ARRAY_ENUM(VertexAttrib[VERT_ATTRIB_COLOR0].Type), NO_EXTRA },
631 { GL_COLOR_ARRAY_STRIDE, ARRAY_INT(VertexAttrib[VERT_ATTRIB_COLOR0].Stride), NO_EXTRA },
632 { GL_TEXTURE_COORD_ARRAY,
633 LOC_CUSTOM, TYPE_BOOLEAN, offsetof(struct gl_client_array, Enabled), NO_EXTRA },
634 { GL_TEXTURE_COORD_ARRAY_SIZE,
635 LOC_CUSTOM, TYPE_INT, offsetof(struct gl_client_array, Size), NO_EXTRA },
636 { GL_TEXTURE_COORD_ARRAY_TYPE,
637 LOC_CUSTOM, TYPE_ENUM, offsetof(struct gl_client_array, Type), NO_EXTRA },
638 { GL_TEXTURE_COORD_ARRAY_STRIDE,
639 LOC_CUSTOM, TYPE_INT, offsetof(struct gl_client_array, Stride), NO_EXTRA },
641 /* GL_ARB_ES2_compatibility */
642 { GL_SHADER_COMPILER, CONST(1), extra_ARB_ES2_compatibility },
643 { GL_MAX_VARYING_VECTORS, CONTEXT_INT(Const.MaxVarying),
644 extra_ARB_ES2_compatibility },
645 { GL_MAX_VERTEX_UNIFORM_VECTORS, LOC_CUSTOM, TYPE_INT, 0,
646 extra_ARB_ES2_compatibility },
647 { GL_MAX_FRAGMENT_UNIFORM_VECTORS, LOC_CUSTOM, TYPE_INT, 0,
648 extra_ARB_ES2_compatibility },
650 /* GL_ARB_multitexture */
651 { GL_MAX_TEXTURE_UNITS, CONTEXT_INT(Const.MaxTextureUnits), NO_EXTRA },
652 { GL_CLIENT_ACTIVE_TEXTURE, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA },
654 /* GL_ARB_texture_cube_map */
655 { GL_TEXTURE_CUBE_MAP_ARB, LOC_CUSTOM, TYPE_BOOLEAN, 0, NO_EXTRA },
656 /* S, T, and R are always set at the same time */
657 { GL_TEXTURE_GEN_STR_OES, LOC_TEXUNIT, TYPE_BIT_0,
658 offsetof(struct gl_texture_unit, TexGenEnabled), NO_EXTRA },
660 /* GL_ARB_multisample */
661 { GL_MULTISAMPLE_ARB, CONTEXT_BOOL(Multisample.Enabled), NO_EXTRA },
662 { GL_SAMPLE_ALPHA_TO_ONE_ARB, CONTEXT_BOOL(Multisample.SampleAlphaToOne), NO_EXTRA },
664 /* GL_ARB_vertex_buffer_object */
665 { GL_VERTEX_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
666 offsetof(struct gl_array_object, VertexAttrib[VERT_ATTRIB_POS].BufferObj), NO_EXTRA },
667 { GL_NORMAL_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
668 offsetof(struct gl_array_object, VertexAttrib[VERT_ATTRIB_NORMAL].BufferObj), NO_EXTRA },
669 { GL_COLOR_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
670 offsetof(struct gl_array_object, VertexAttrib[VERT_ATTRIB_COLOR0].BufferObj), NO_EXTRA },
671 { GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT, NO_OFFSET, NO_EXTRA },
673 /* GL_OES_point_sprite */
674 { GL_POINT_SPRITE_NV,
675 CONTEXT_BOOL(Point.PointSprite),
676 extra_NV_point_sprite_ARB_point_sprite },
678 /* GL_ARB_fragment_shader */
679 { GL_MAX_FRAGMENT_UNIFORM_COMPONENTS_ARB,
680 CONTEXT_INT(Const.FragmentProgram.MaxUniformComponents),
681 extra_ARB_fragment_shader },
683 /* GL_ARB_vertex_shader */
684 { GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB,
685 CONTEXT_INT(Const.VertexProgram.MaxUniformComponents),
686 extra_ARB_vertex_shader },
687 { GL_MAX_VARYING_FLOATS_ARB, LOC_CUSTOM, TYPE_INT, 0,
688 extra_ARB_vertex_shader },
690 /* GL_EXT_texture_lod_bias */
691 { GL_MAX_TEXTURE_LOD_BIAS_EXT, CONTEXT_FLOAT(Const.MaxTextureLodBias),
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, 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, CONTEXT_INT(Unpack.SkipImages), NO_EXTRA },
722 { GL_UNPACK_IMAGE_HEIGHT, 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,
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 */
792 #if FEATURE_ES1 || FEATURE_ES2
793 { 0, 0, TYPE_API_MASK, API_OPENGLES | API_OPENGLES2_BIT, NO_EXTRA },
794 /* GL_OES_EGL_image_external */
795 { GL_TEXTURE_BINDING_EXTERNAL_OES, LOC_CUSTOM,
796 TYPE_INT, TEXTURE_EXTERNAL_INDEX, extra_OES_EGL_image_external },
797 { GL_TEXTURE_EXTERNAL_OES, LOC_CUSTOM,
798 TYPE_BOOLEAN, 0, extra_OES_EGL_image_external },
802 /* Enums unique to OpenGL ES 2.0 */
803 { 0, 0, TYPE_API_MASK, API_OPENGLES2_BIT, NO_EXTRA },
804 { GL_MAX_FRAGMENT_UNIFORM_VECTORS, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA },
805 { GL_MAX_VARYING_VECTORS, CONTEXT_INT(Const.MaxVarying), NO_EXTRA },
806 { GL_MAX_VERTEX_UNIFORM_VECTORS, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA },
807 { GL_SHADER_COMPILER, CONST(1), NO_EXTRA },
808 /* OES_get_program_binary */
809 { GL_NUM_SHADER_BINARY_FORMATS, CONST(0), NO_EXTRA },
810 { GL_SHADER_BINARY_FORMATS, CONST(0), NO_EXTRA },
811 #endif /* FEATURE_ES2 */
814 /* Remaining enums are only in OpenGL */
815 { 0, 0, TYPE_API_MASK, API_OPENGL_BIT | API_OPENGL_CORE_BIT, NO_EXTRA },
816 { GL_ACCUM_RED_BITS, BUFFER_INT(Visual.accumRedBits), NO_EXTRA },
817 { GL_ACCUM_GREEN_BITS, BUFFER_INT(Visual.accumGreenBits), NO_EXTRA },
818 { GL_ACCUM_BLUE_BITS, BUFFER_INT(Visual.accumBlueBits), NO_EXTRA },
819 { GL_ACCUM_ALPHA_BITS, BUFFER_INT(Visual.accumAlphaBits), NO_EXTRA },
820 { GL_ACCUM_CLEAR_VALUE, CONTEXT_FIELD(Accum.ClearColor[0], TYPE_FLOATN_4), NO_EXTRA },
821 { GL_ALPHA_BIAS, CONTEXT_FLOAT(Pixel.AlphaBias), NO_EXTRA },
822 { GL_ALPHA_SCALE, CONTEXT_FLOAT(Pixel.AlphaScale), NO_EXTRA },
823 { GL_ATTRIB_STACK_DEPTH, CONTEXT_INT(AttribStackDepth), NO_EXTRA },
824 { GL_AUTO_NORMAL, CONTEXT_BOOL(Eval.AutoNormal), NO_EXTRA },
825 { GL_AUX_BUFFERS, BUFFER_INT(Visual.numAuxBuffers), NO_EXTRA },
826 { GL_BLUE_BIAS, CONTEXT_FLOAT(Pixel.BlueBias), NO_EXTRA },
827 { GL_BLUE_SCALE, CONTEXT_FLOAT(Pixel.BlueScale), NO_EXTRA },
828 { GL_CLIENT_ATTRIB_STACK_DEPTH, CONTEXT_INT(ClientAttribStackDepth), NO_EXTRA },
829 { GL_COLOR_MATERIAL_FACE, CONTEXT_ENUM(Light.ColorMaterialFace), NO_EXTRA },
830 { GL_COLOR_MATERIAL_PARAMETER, CONTEXT_ENUM(Light.ColorMaterialMode), NO_EXTRA },
832 CONTEXT_FLOAT(Current.Attrib[VERT_ATTRIB_COLOR_INDEX][0]),
833 extra_flush_current },
834 { GL_CURRENT_RASTER_COLOR,
835 CONTEXT_FIELD(Current.RasterColor[0], TYPE_FLOATN_4), NO_EXTRA },
836 { GL_CURRENT_RASTER_DISTANCE, CONTEXT_FLOAT(Current.RasterDistance), NO_EXTRA },
837 { GL_CURRENT_RASTER_INDEX, CONST(1), NO_EXTRA },
838 { GL_CURRENT_RASTER_POSITION, CONTEXT_FLOAT4(Current.RasterPos[0]), NO_EXTRA },
839 { GL_CURRENT_RASTER_SECONDARY_COLOR,
840 CONTEXT_FIELD(Current.RasterSecondaryColor[0], TYPE_FLOATN_4), NO_EXTRA },
841 { GL_CURRENT_RASTER_TEXTURE_COORDS, LOC_CUSTOM, TYPE_FLOAT_4, 0,
842 extra_valid_texture_unit },
843 { GL_CURRENT_RASTER_POSITION_VALID, CONTEXT_BOOL(Current.RasterPosValid), NO_EXTRA },
844 { GL_DEPTH_BIAS, CONTEXT_FLOAT(Pixel.DepthBias), NO_EXTRA },
845 { GL_DEPTH_SCALE, CONTEXT_FLOAT(Pixel.DepthScale), NO_EXTRA },
846 { GL_DOUBLEBUFFER, BUFFER_INT(Visual.doubleBufferMode), NO_EXTRA },
847 { GL_DRAW_BUFFER, BUFFER_ENUM(ColorDrawBuffer[0]), NO_EXTRA },
848 { GL_EDGE_FLAG, LOC_CUSTOM, TYPE_BOOLEAN, 0, NO_EXTRA },
849 { GL_FEEDBACK_BUFFER_SIZE, CONTEXT_INT(Feedback.BufferSize), NO_EXTRA },
850 { GL_FEEDBACK_BUFFER_TYPE, CONTEXT_ENUM(Feedback.Type), NO_EXTRA },
851 { GL_FOG_INDEX, CONTEXT_FLOAT(Fog.Index), NO_EXTRA },
852 { GL_GREEN_BIAS, CONTEXT_FLOAT(Pixel.GreenBias), NO_EXTRA },
853 { GL_GREEN_SCALE, CONTEXT_FLOAT(Pixel.GreenScale), NO_EXTRA },
854 { GL_INDEX_BITS, BUFFER_INT(Visual.indexBits), extra_new_buffers },
855 { GL_INDEX_CLEAR_VALUE, CONTEXT_INT(Color.ClearIndex), NO_EXTRA },
856 { GL_INDEX_MODE, CONST(0) , NO_EXTRA},
857 { GL_INDEX_OFFSET, CONTEXT_INT(Pixel.IndexOffset), NO_EXTRA },
858 { GL_INDEX_SHIFT, CONTEXT_INT(Pixel.IndexShift), NO_EXTRA },
859 { GL_INDEX_WRITEMASK, CONTEXT_INT(Color.IndexMask), NO_EXTRA },
860 { GL_LIGHT_MODEL_COLOR_CONTROL, CONTEXT_ENUM(Light.Model.ColorControl), NO_EXTRA },
861 { GL_LIGHT_MODEL_LOCAL_VIEWER, CONTEXT_BOOL(Light.Model.LocalViewer), NO_EXTRA },
862 { GL_LINE_STIPPLE, CONTEXT_BOOL(Line.StippleFlag), NO_EXTRA },
863 { GL_LINE_STIPPLE_PATTERN, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA },
864 { GL_LINE_STIPPLE_REPEAT, CONTEXT_INT(Line.StippleFactor), NO_EXTRA },
865 { GL_LINE_WIDTH_GRANULARITY, CONTEXT_FLOAT(Const.LineWidthGranularity), NO_EXTRA },
866 { GL_LIST_BASE, CONTEXT_INT(List.ListBase), NO_EXTRA },
867 { GL_LIST_INDEX, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA },
868 { GL_LIST_MODE, LOC_CUSTOM, TYPE_ENUM, 0, NO_EXTRA },
869 { GL_INDEX_LOGIC_OP, CONTEXT_BOOL(Color.IndexLogicOpEnabled), NO_EXTRA },
870 { GL_MAP1_COLOR_4, CONTEXT_BOOL(Eval.Map1Color4), NO_EXTRA },
871 { GL_MAP1_GRID_DOMAIN, CONTEXT_FLOAT2(Eval.MapGrid1u1), NO_EXTRA },
872 { GL_MAP1_GRID_SEGMENTS, CONTEXT_INT(Eval.MapGrid1un), NO_EXTRA },
873 { GL_MAP1_INDEX, CONTEXT_BOOL(Eval.Map1Index), NO_EXTRA },
874 { GL_MAP1_NORMAL, CONTEXT_BOOL(Eval.Map1Normal), NO_EXTRA },
875 { GL_MAP1_TEXTURE_COORD_1, CONTEXT_BOOL(Eval.Map1TextureCoord1), NO_EXTRA },
876 { GL_MAP1_TEXTURE_COORD_2, CONTEXT_BOOL(Eval.Map1TextureCoord2), NO_EXTRA },
877 { GL_MAP1_TEXTURE_COORD_3, CONTEXT_BOOL(Eval.Map1TextureCoord3), NO_EXTRA },
878 { GL_MAP1_TEXTURE_COORD_4, CONTEXT_BOOL(Eval.Map1TextureCoord4), NO_EXTRA },
879 { GL_MAP1_VERTEX_3, CONTEXT_BOOL(Eval.Map1Vertex3), NO_EXTRA },
880 { GL_MAP1_VERTEX_4, CONTEXT_BOOL(Eval.Map1Vertex4), NO_EXTRA },
881 { GL_MAP2_COLOR_4, CONTEXT_BOOL(Eval.Map2Color4), NO_EXTRA },
882 { GL_MAP2_GRID_DOMAIN, LOC_CUSTOM, TYPE_FLOAT_4, 0, NO_EXTRA },
883 { GL_MAP2_GRID_SEGMENTS, CONTEXT_INT2(Eval.MapGrid2un), NO_EXTRA },
884 { GL_MAP2_INDEX, CONTEXT_BOOL(Eval.Map2Index), NO_EXTRA },
885 { GL_MAP2_NORMAL, CONTEXT_BOOL(Eval.Map2Normal), NO_EXTRA },
886 { GL_MAP2_TEXTURE_COORD_1, CONTEXT_BOOL(Eval.Map2TextureCoord1), NO_EXTRA },
887 { GL_MAP2_TEXTURE_COORD_2, CONTEXT_BOOL(Eval.Map2TextureCoord2), NO_EXTRA },
888 { GL_MAP2_TEXTURE_COORD_3, CONTEXT_BOOL(Eval.Map2TextureCoord3), NO_EXTRA },
889 { GL_MAP2_TEXTURE_COORD_4, CONTEXT_BOOL(Eval.Map2TextureCoord4), NO_EXTRA },
890 { GL_MAP2_VERTEX_3, CONTEXT_BOOL(Eval.Map2Vertex3), NO_EXTRA },
891 { GL_MAP2_VERTEX_4, CONTEXT_BOOL(Eval.Map2Vertex4), NO_EXTRA },
892 { GL_MAP_COLOR, CONTEXT_BOOL(Pixel.MapColorFlag), NO_EXTRA },
893 { GL_MAP_STENCIL, CONTEXT_BOOL(Pixel.MapStencilFlag), NO_EXTRA },
894 { GL_MAX_ATTRIB_STACK_DEPTH, CONST(MAX_ATTRIB_STACK_DEPTH), NO_EXTRA },
895 { GL_MAX_CLIENT_ATTRIB_STACK_DEPTH, CONST(MAX_CLIENT_ATTRIB_STACK_DEPTH), NO_EXTRA },
897 { GL_MAX_EVAL_ORDER, CONST(MAX_EVAL_ORDER), NO_EXTRA },
898 { GL_MAX_LIST_NESTING, CONST(MAX_LIST_NESTING), NO_EXTRA },
899 { GL_MAX_NAME_STACK_DEPTH, CONST(MAX_NAME_STACK_DEPTH), NO_EXTRA },
900 { GL_MAX_PIXEL_MAP_TABLE, CONST(MAX_PIXEL_MAP_TABLE), NO_EXTRA },
901 { GL_NAME_STACK_DEPTH, CONTEXT_INT(Select.NameStackDepth), NO_EXTRA },
902 { GL_PACK_LSB_FIRST, CONTEXT_BOOL(Pack.LsbFirst), NO_EXTRA },
903 { GL_PACK_SWAP_BYTES, CONTEXT_BOOL(Pack.SwapBytes), NO_EXTRA },
904 { GL_PACK_INVERT_MESA, CONTEXT_BOOL(Pack.Invert), NO_EXTRA },
905 { GL_PIXEL_MAP_A_TO_A_SIZE, CONTEXT_INT(PixelMaps.AtoA.Size), NO_EXTRA },
906 { GL_PIXEL_MAP_B_TO_B_SIZE, CONTEXT_INT(PixelMaps.BtoB.Size), NO_EXTRA },
907 { GL_PIXEL_MAP_G_TO_G_SIZE, CONTEXT_INT(PixelMaps.GtoG.Size), NO_EXTRA },
908 { GL_PIXEL_MAP_I_TO_A_SIZE, CONTEXT_INT(PixelMaps.ItoA.Size), NO_EXTRA },
909 { GL_PIXEL_MAP_I_TO_B_SIZE, CONTEXT_INT(PixelMaps.ItoB.Size), NO_EXTRA },
910 { GL_PIXEL_MAP_I_TO_G_SIZE, CONTEXT_INT(PixelMaps.ItoG.Size), NO_EXTRA },
911 { GL_PIXEL_MAP_I_TO_I_SIZE, CONTEXT_INT(PixelMaps.ItoI.Size), NO_EXTRA },
912 { GL_PIXEL_MAP_I_TO_R_SIZE, CONTEXT_INT(PixelMaps.ItoR.Size), NO_EXTRA },
913 { GL_PIXEL_MAP_R_TO_R_SIZE, CONTEXT_INT(PixelMaps.RtoR.Size), NO_EXTRA },
914 { GL_PIXEL_MAP_S_TO_S_SIZE, CONTEXT_INT(PixelMaps.StoS.Size), NO_EXTRA },
915 { GL_POINT_SIZE_GRANULARITY, CONTEXT_FLOAT(Const.PointSizeGranularity), NO_EXTRA },
916 { GL_POLYGON_MODE, CONTEXT_ENUM2(Polygon.FrontMode), NO_EXTRA },
917 { GL_POLYGON_OFFSET_BIAS_EXT, CONTEXT_FLOAT(Polygon.OffsetUnits), NO_EXTRA },
918 { GL_POLYGON_OFFSET_POINT, CONTEXT_BOOL(Polygon.OffsetPoint), NO_EXTRA },
919 { GL_POLYGON_OFFSET_LINE, CONTEXT_BOOL(Polygon.OffsetLine), NO_EXTRA },
920 { GL_POLYGON_SMOOTH, CONTEXT_BOOL(Polygon.SmoothFlag), NO_EXTRA },
921 { GL_POLYGON_SMOOTH_HINT, CONTEXT_ENUM(Hint.PolygonSmooth), NO_EXTRA },
922 { GL_POLYGON_STIPPLE, CONTEXT_BOOL(Polygon.StippleFlag), NO_EXTRA },
923 { GL_RED_BIAS, CONTEXT_FLOAT(Pixel.RedBias), NO_EXTRA },
924 { GL_RED_SCALE, CONTEXT_FLOAT(Pixel.RedScale), NO_EXTRA },
925 { GL_RENDER_MODE, CONTEXT_ENUM(RenderMode), NO_EXTRA },
926 { GL_RGBA_MODE, CONST(1), NO_EXTRA },
927 { GL_SELECTION_BUFFER_SIZE, CONTEXT_INT(Select.BufferSize), NO_EXTRA },
929 { GL_STEREO, BUFFER_INT(Visual.stereoMode), NO_EXTRA },
931 { GL_TEXTURE_1D, LOC_CUSTOM, TYPE_BOOLEAN, NO_OFFSET, NO_EXTRA },
932 { GL_TEXTURE_3D, LOC_CUSTOM, TYPE_BOOLEAN, NO_OFFSET, NO_EXTRA },
933 { GL_TEXTURE_1D_ARRAY_EXT, LOC_CUSTOM, TYPE_BOOLEAN, NO_OFFSET, NO_EXTRA },
934 { GL_TEXTURE_2D_ARRAY_EXT, LOC_CUSTOM, TYPE_BOOLEAN, NO_OFFSET, NO_EXTRA },
936 { GL_TEXTURE_BINDING_1D, LOC_CUSTOM, TYPE_INT, TEXTURE_1D_INDEX, NO_EXTRA },
937 { GL_TEXTURE_BINDING_1D_ARRAY, LOC_CUSTOM, TYPE_INT,
938 TEXTURE_1D_ARRAY_INDEX, extra_MESA_texture_array },
939 { GL_TEXTURE_BINDING_2D_ARRAY, LOC_CUSTOM, TYPE_INT,
940 TEXTURE_1D_ARRAY_INDEX, extra_MESA_texture_array },
941 { GL_MAX_ARRAY_TEXTURE_LAYERS_EXT,
942 CONTEXT_INT(Const.MaxArrayTextureLayers), extra_MESA_texture_array },
944 { GL_TEXTURE_GEN_S, LOC_TEXUNIT, TYPE_BIT_0,
945 offsetof(struct gl_texture_unit, TexGenEnabled), NO_EXTRA },
946 { GL_TEXTURE_GEN_T, LOC_TEXUNIT, TYPE_BIT_1,
947 offsetof(struct gl_texture_unit, TexGenEnabled), NO_EXTRA },
948 { GL_TEXTURE_GEN_R, LOC_TEXUNIT, TYPE_BIT_2,
949 offsetof(struct gl_texture_unit, TexGenEnabled), NO_EXTRA },
950 { GL_TEXTURE_GEN_Q, LOC_TEXUNIT, TYPE_BIT_3,
951 offsetof(struct gl_texture_unit, TexGenEnabled), NO_EXTRA },
952 { GL_UNPACK_LSB_FIRST, CONTEXT_BOOL(Unpack.LsbFirst), NO_EXTRA },
953 { GL_UNPACK_SWAP_BYTES, CONTEXT_BOOL(Unpack.SwapBytes), NO_EXTRA },
954 { GL_ZOOM_X, CONTEXT_FLOAT(Pixel.ZoomX), NO_EXTRA },
955 { GL_ZOOM_Y, CONTEXT_FLOAT(Pixel.ZoomY), NO_EXTRA },
958 { GL_VERTEX_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA },
959 { GL_NORMAL_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA },
960 { GL_COLOR_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA },
961 { GL_INDEX_ARRAY, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_COLOR_INDEX].Enabled), NO_EXTRA },
962 { GL_INDEX_ARRAY_TYPE, ARRAY_ENUM(VertexAttrib[VERT_ATTRIB_COLOR_INDEX].Type), NO_EXTRA },
963 { GL_INDEX_ARRAY_STRIDE, ARRAY_INT(VertexAttrib[VERT_ATTRIB_COLOR_INDEX].Stride), NO_EXTRA },
964 { GL_INDEX_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA },
965 { GL_TEXTURE_COORD_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA },
966 { GL_EDGE_FLAG_ARRAY, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_EDGEFLAG].Enabled), NO_EXTRA },
967 { GL_EDGE_FLAG_ARRAY_STRIDE, ARRAY_INT(VertexAttrib[VERT_ATTRIB_EDGEFLAG].Stride), NO_EXTRA },
968 { GL_EDGE_FLAG_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA },
970 /* GL_ARB_texture_compression */
971 { GL_TEXTURE_COMPRESSION_HINT_ARB, CONTEXT_INT(Hint.TextureCompression), NO_EXTRA },
973 /* GL_EXT_compiled_vertex_array */
974 { GL_ARRAY_ELEMENT_LOCK_FIRST_EXT, CONTEXT_INT(Array.LockFirst),
975 extra_EXT_compiled_vertex_array },
976 { GL_ARRAY_ELEMENT_LOCK_COUNT_EXT, CONTEXT_INT(Array.LockCount),
977 extra_EXT_compiled_vertex_array },
979 /* GL_ARB_transpose_matrix */
980 { GL_TRANSPOSE_MODELVIEW_MATRIX_ARB,
981 CONTEXT_MATRIX_T(ModelviewMatrixStack), NO_EXTRA },
982 { GL_TRANSPOSE_PROJECTION_MATRIX_ARB,
983 CONTEXT_MATRIX_T(ProjectionMatrixStack.Top), NO_EXTRA },
984 { GL_TRANSPOSE_TEXTURE_MATRIX_ARB, CONTEXT_MATRIX_T(TextureMatrixStack), NO_EXTRA },
986 /* GL_EXT_secondary_color */
987 { GL_COLOR_SUM, CONTEXT_BOOL(Fog.ColorSumEnabled),
988 extra_EXT_secondary_color_ARB_vertex_program },
989 { GL_CURRENT_SECONDARY_COLOR,
990 CONTEXT_FIELD(Current.Attrib[VERT_ATTRIB_COLOR1][0], TYPE_FLOATN_4),
991 extra_EXT_secondary_color_flush_current },
992 { GL_SECONDARY_COLOR_ARRAY, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_COLOR1].Enabled),
993 extra_EXT_secondary_color },
994 { GL_SECONDARY_COLOR_ARRAY_TYPE, ARRAY_ENUM(VertexAttrib[VERT_ATTRIB_COLOR1].Type),
995 extra_EXT_secondary_color },
996 { GL_SECONDARY_COLOR_ARRAY_STRIDE, ARRAY_INT(VertexAttrib[VERT_ATTRIB_COLOR1].Stride),
997 extra_EXT_secondary_color },
998 { GL_SECONDARY_COLOR_ARRAY_SIZE, ARRAY_INT(VertexAttrib[VERT_ATTRIB_COLOR1].Size),
999 extra_EXT_secondary_color },
1001 /* GL_EXT_fog_coord */
1002 { GL_CURRENT_FOG_COORDINATE,
1003 CONTEXT_FLOAT(Current.Attrib[VERT_ATTRIB_FOG][0]),
1004 extra_EXT_fog_coord_flush_current },
1005 { GL_FOG_COORDINATE_ARRAY, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_FOG].Enabled),
1006 extra_EXT_fog_coord },
1007 { GL_FOG_COORDINATE_ARRAY_TYPE, ARRAY_ENUM(VertexAttrib[VERT_ATTRIB_FOG].Type),
1008 extra_EXT_fog_coord },
1009 { GL_FOG_COORDINATE_ARRAY_STRIDE, ARRAY_INT(VertexAttrib[VERT_ATTRIB_FOG].Stride),
1010 extra_EXT_fog_coord },
1011 { GL_FOG_COORDINATE_SOURCE, CONTEXT_ENUM(Fog.FogCoordinateSource),
1012 extra_EXT_fog_coord },
1014 /* GL_NV_fog_distance */
1015 { GL_FOG_DISTANCE_MODE_NV, CONTEXT_ENUM(Fog.FogDistanceMode),
1016 extra_NV_fog_distance },
1018 /* GL_IBM_rasterpos_clip */
1019 { GL_RASTER_POSITION_UNCLIPPED_IBM,
1020 CONTEXT_BOOL(Transform.RasterPositionUnclipped),
1021 extra_IBM_rasterpos_clip },
1023 /* GL_NV_point_sprite */
1024 { GL_POINT_SPRITE_R_MODE_NV,
1025 CONTEXT_ENUM(Point.SpriteRMode), extra_NV_point_sprite },
1026 { GL_POINT_SPRITE_COORD_ORIGIN, CONTEXT_ENUM(Point.SpriteOrigin),
1027 extra_NV_point_sprite_ARB_point_sprite },
1029 /* GL_NV_vertex_program */
1030 { GL_VERTEX_PROGRAM_BINDING_NV, LOC_CUSTOM, TYPE_INT, 0,
1031 extra_NV_vertex_program },
1032 { GL_VERTEX_ATTRIB_ARRAY0_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(0)].Enabled),
1033 extra_NV_vertex_program },
1034 { GL_VERTEX_ATTRIB_ARRAY1_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(1)].Enabled),
1035 extra_NV_vertex_program },
1036 { GL_VERTEX_ATTRIB_ARRAY2_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(2)].Enabled),
1037 extra_NV_vertex_program },
1038 { GL_VERTEX_ATTRIB_ARRAY3_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(3)].Enabled),
1039 extra_NV_vertex_program },
1040 { GL_VERTEX_ATTRIB_ARRAY4_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(4)].Enabled),
1041 extra_NV_vertex_program },
1042 { GL_VERTEX_ATTRIB_ARRAY5_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(5)].Enabled),
1043 extra_NV_vertex_program },
1044 { GL_VERTEX_ATTRIB_ARRAY6_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(6)].Enabled),
1045 extra_NV_vertex_program },
1046 { GL_VERTEX_ATTRIB_ARRAY7_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(7)].Enabled),
1047 extra_NV_vertex_program },
1048 { GL_VERTEX_ATTRIB_ARRAY8_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(8)].Enabled),
1049 extra_NV_vertex_program },
1050 { GL_VERTEX_ATTRIB_ARRAY9_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(9)].Enabled),
1051 extra_NV_vertex_program },
1052 { GL_VERTEX_ATTRIB_ARRAY10_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(10)].Enabled),
1053 extra_NV_vertex_program },
1054 { GL_VERTEX_ATTRIB_ARRAY11_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(11)].Enabled),
1055 extra_NV_vertex_program },
1056 { GL_VERTEX_ATTRIB_ARRAY12_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(12)].Enabled),
1057 extra_NV_vertex_program },
1058 { GL_VERTEX_ATTRIB_ARRAY13_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(13)].Enabled),
1059 extra_NV_vertex_program },
1060 { GL_VERTEX_ATTRIB_ARRAY14_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(14)].Enabled),
1061 extra_NV_vertex_program },
1062 { GL_VERTEX_ATTRIB_ARRAY15_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(15)].Enabled),
1063 extra_NV_vertex_program },
1064 { GL_MAP1_VERTEX_ATTRIB0_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[0]),
1065 extra_NV_vertex_program },
1066 { GL_MAP1_VERTEX_ATTRIB1_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[1]),
1067 extra_NV_vertex_program },
1068 { GL_MAP1_VERTEX_ATTRIB2_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[2]),
1069 extra_NV_vertex_program },
1070 { GL_MAP1_VERTEX_ATTRIB3_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[3]),
1071 extra_NV_vertex_program },
1072 { GL_MAP1_VERTEX_ATTRIB4_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[4]),
1073 extra_NV_vertex_program },
1074 { GL_MAP1_VERTEX_ATTRIB5_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[5]),
1075 extra_NV_vertex_program },
1076 { GL_MAP1_VERTEX_ATTRIB6_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[6]),
1077 extra_NV_vertex_program },
1078 { GL_MAP1_VERTEX_ATTRIB7_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[7]),
1079 extra_NV_vertex_program },
1080 { GL_MAP1_VERTEX_ATTRIB8_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[8]),
1081 extra_NV_vertex_program },
1082 { GL_MAP1_VERTEX_ATTRIB9_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[9]),
1083 extra_NV_vertex_program },
1084 { GL_MAP1_VERTEX_ATTRIB10_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[10]),
1085 extra_NV_vertex_program },
1086 { GL_MAP1_VERTEX_ATTRIB11_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[11]),
1087 extra_NV_vertex_program },
1088 { GL_MAP1_VERTEX_ATTRIB12_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[12]),
1089 extra_NV_vertex_program },
1090 { GL_MAP1_VERTEX_ATTRIB13_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[13]),
1091 extra_NV_vertex_program },
1092 { GL_MAP1_VERTEX_ATTRIB14_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[14]),
1093 extra_NV_vertex_program },
1094 { GL_MAP1_VERTEX_ATTRIB15_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[15]),
1095 extra_NV_vertex_program },
1097 /* GL_NV_fragment_program */
1098 { GL_FRAGMENT_PROGRAM_NV, CONTEXT_BOOL(FragmentProgram.Enabled),
1099 extra_NV_fragment_program },
1100 { GL_FRAGMENT_PROGRAM_BINDING_NV, LOC_CUSTOM, TYPE_INT, 0,
1101 extra_NV_fragment_program },
1102 { GL_MAX_FRAGMENT_PROGRAM_LOCAL_PARAMETERS_NV,
1103 CONST(MAX_NV_FRAGMENT_PROGRAM_PARAMS),
1104 extra_NV_fragment_program },
1106 /* GL_NV_texture_rectangle */
1107 { GL_TEXTURE_RECTANGLE_NV,
1108 LOC_CUSTOM, TYPE_BOOLEAN, 0, extra_NV_texture_rectangle },
1109 { GL_TEXTURE_BINDING_RECTANGLE_NV,
1110 LOC_CUSTOM, TYPE_INT, TEXTURE_RECT_INDEX, extra_NV_texture_rectangle },
1111 { GL_MAX_RECTANGLE_TEXTURE_SIZE_NV,
1112 CONTEXT_INT(Const.MaxTextureRectSize), extra_NV_texture_rectangle },
1114 /* GL_EXT_stencil_two_side */
1115 { GL_STENCIL_TEST_TWO_SIDE_EXT, CONTEXT_BOOL(Stencil.TestTwoSide),
1116 extra_EXT_stencil_two_side },
1117 { GL_ACTIVE_STENCIL_FACE_EXT, LOC_CUSTOM, TYPE_ENUM, NO_OFFSET, NO_EXTRA },
1119 /* GL_NV_light_max_exponent */
1120 { GL_MAX_SHININESS_NV, CONTEXT_FLOAT(Const.MaxShininess),
1121 extra_NV_light_max_exponent },
1122 { GL_MAX_SPOT_EXPONENT_NV, CONTEXT_FLOAT(Const.MaxSpotExponent),
1123 extra_NV_light_max_exponent },
1125 /* GL_NV_primitive_restart */
1126 { GL_PRIMITIVE_RESTART_NV, CONTEXT_BOOL(Array.PrimitiveRestart),
1127 extra_NV_primitive_restart },
1128 { GL_PRIMITIVE_RESTART_INDEX_NV, CONTEXT_INT(Array.RestartIndex),
1129 extra_NV_primitive_restart },
1131 /* GL_ARB_vertex_buffer_object */
1132 { GL_INDEX_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
1133 offsetof(struct gl_array_object, VertexAttrib[VERT_ATTRIB_COLOR_INDEX].BufferObj), NO_EXTRA },
1134 { GL_EDGE_FLAG_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
1135 offsetof(struct gl_array_object, VertexAttrib[VERT_ATTRIB_EDGEFLAG].BufferObj), NO_EXTRA },
1136 { GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
1137 offsetof(struct gl_array_object, VertexAttrib[VERT_ATTRIB_COLOR1].BufferObj), NO_EXTRA },
1138 { GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
1139 offsetof(struct gl_array_object, VertexAttrib[VERT_ATTRIB_FOG].BufferObj), NO_EXTRA },
1141 /* GL_EXT_pixel_buffer_object */
1142 { GL_PIXEL_PACK_BUFFER_BINDING_EXT, LOC_CUSTOM, TYPE_INT, 0,
1143 extra_EXT_pixel_buffer_object },
1144 { GL_PIXEL_UNPACK_BUFFER_BINDING_EXT, LOC_CUSTOM, TYPE_INT, 0,
1145 extra_EXT_pixel_buffer_object },
1147 /* GL_ARB_vertex_program */
1148 { GL_VERTEX_PROGRAM_ARB, /* == GL_VERTEX_PROGRAM_NV */
1149 CONTEXT_BOOL(VertexProgram.Enabled),
1150 extra_ARB_vertex_program_NV_vertex_program },
1151 { GL_VERTEX_PROGRAM_POINT_SIZE_ARB, /* == GL_VERTEX_PROGRAM_POINT_SIZE_NV*/
1152 CONTEXT_BOOL(VertexProgram.PointSizeEnabled),
1153 extra_ARB_vertex_program_NV_vertex_program },
1154 { GL_VERTEX_PROGRAM_TWO_SIDE_ARB, /* == GL_VERTEX_PROGRAM_TWO_SIDE_NV */
1155 CONTEXT_BOOL(VertexProgram.TwoSideEnabled),
1156 extra_ARB_vertex_program_NV_vertex_program },
1157 { GL_MAX_PROGRAM_MATRIX_STACK_DEPTH_ARB, /* == GL_MAX_TRACK_MATRIX_STACK_DEPTH_NV */
1158 CONTEXT_INT(Const.MaxProgramMatrixStackDepth),
1159 extra_ARB_vertex_program_ARB_fragment_program_NV_vertex_program },
1160 { GL_MAX_PROGRAM_MATRICES_ARB, /* == GL_MAX_TRACK_MATRICES_NV */
1161 CONTEXT_INT(Const.MaxProgramMatrices),
1162 extra_ARB_vertex_program_ARB_fragment_program_NV_vertex_program },
1163 { GL_CURRENT_MATRIX_STACK_DEPTH_ARB, /* == GL_CURRENT_MATRIX_STACK_DEPTH_NV */
1164 LOC_CUSTOM, TYPE_INT, 0,
1165 extra_ARB_vertex_program_ARB_fragment_program_NV_vertex_program },
1167 { GL_CURRENT_MATRIX_ARB, /* == GL_CURRENT_MATRIX_NV */
1168 LOC_CUSTOM, TYPE_MATRIX, 0,
1169 extra_ARB_vertex_program_ARB_fragment_program_NV_vertex_program },
1170 { GL_TRANSPOSE_CURRENT_MATRIX_ARB, /* == GL_CURRENT_MATRIX_NV */
1171 LOC_CUSTOM, TYPE_MATRIX, 0,
1172 extra_ARB_vertex_program_ARB_fragment_program },
1174 { GL_PROGRAM_ERROR_POSITION_ARB, /* == GL_PROGRAM_ERROR_POSITION_NV */
1175 CONTEXT_INT(Program.ErrorPos),
1176 extra_NV_vertex_program_ARB_vertex_program_ARB_fragment_program_NV_vertex_program },
1178 /* GL_ARB_fragment_program */
1179 { GL_FRAGMENT_PROGRAM_ARB, CONTEXT_BOOL(FragmentProgram.Enabled),
1180 extra_ARB_fragment_program },
1182 /* GL_EXT_depth_bounds_test */
1183 { GL_DEPTH_BOUNDS_TEST_EXT, CONTEXT_BOOL(Depth.BoundsTest),
1184 extra_EXT_depth_bounds_test },
1185 { GL_DEPTH_BOUNDS_EXT, CONTEXT_FLOAT2(Depth.BoundsMin),
1186 extra_EXT_depth_bounds_test },
1188 /* GL_ARB_depth_clamp*/
1189 { GL_DEPTH_CLAMP, CONTEXT_BOOL(Transform.DepthClamp),
1190 extra_ARB_depth_clamp },
1192 /* GL_ATI_fragment_shader */
1193 { GL_NUM_FRAGMENT_REGISTERS_ATI, CONST(6), extra_ATI_fragment_shader },
1194 { GL_NUM_FRAGMENT_CONSTANTS_ATI, CONST(8), extra_ATI_fragment_shader },
1195 { GL_NUM_PASSES_ATI, CONST(2), extra_ATI_fragment_shader },
1196 { GL_NUM_INSTRUCTIONS_PER_PASS_ATI, CONST(8), extra_ATI_fragment_shader },
1197 { GL_NUM_INSTRUCTIONS_TOTAL_ATI, CONST(16), extra_ATI_fragment_shader },
1198 { GL_COLOR_ALPHA_PAIRING_ATI, CONST(GL_TRUE), extra_ATI_fragment_shader },
1199 { GL_NUM_LOOPBACK_COMPONENTS_ATI, CONST(3), extra_ATI_fragment_shader },
1200 { GL_NUM_INPUT_INTERPOLATOR_COMPONENTS_ATI,
1201 CONST(3), extra_ATI_fragment_shader },
1203 /* GL_EXT_framebuffer_blit
1204 * NOTE: GL_DRAW_FRAMEBUFFER_BINDING_EXT == GL_FRAMEBUFFER_BINDING_EXT */
1205 { GL_READ_FRAMEBUFFER_BINDING_EXT, LOC_CUSTOM, TYPE_INT, 0,
1206 extra_EXT_framebuffer_blit },
1208 /* GL_EXT_provoking_vertex */
1209 { GL_PROVOKING_VERTEX_EXT,
1210 CONTEXT_ENUM(Light.ProvokingVertex), extra_EXT_provoking_vertex },
1211 { GL_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION_EXT,
1212 CONTEXT_BOOL(Const.QuadsFollowProvokingVertexConvention),
1213 extra_EXT_provoking_vertex },
1215 /* GL_ARB_framebuffer_object */
1216 { GL_MAX_SAMPLES, CONTEXT_INT(Const.MaxSamples),
1217 extra_ARB_framebuffer_object_EXT_framebuffer_multisample },
1219 /* GL_ARB_seamless_cube_map */
1220 { GL_TEXTURE_CUBE_MAP_SEAMLESS,
1221 CONTEXT_BOOL(Texture.CubeMapSeamless), extra_ARB_seamless_cube_map },
1224 { GL_MAX_SERVER_WAIT_TIMEOUT,
1225 CONTEXT_INT64(Const.MaxServerWaitTimeout), extra_ARB_sync },
1227 /* GL_EXT_texture_integer */
1228 { GL_RGBA_INTEGER_MODE_EXT, BUFFER_BOOL(_IntegerColor),
1229 extra_EXT_texture_integer },
1231 /* GL_EXT_transform_feedback */
1232 { GL_TRANSFORM_FEEDBACK_BUFFER_BINDING, LOC_CUSTOM, TYPE_INT, 0,
1233 extra_EXT_transform_feedback },
1234 { GL_RASTERIZER_DISCARD, CONTEXT_BOOL(RasterDiscard),
1235 extra_EXT_transform_feedback },
1236 { GL_MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS,
1237 CONTEXT_INT(Const.MaxTransformFeedbackInterleavedComponents),
1238 extra_EXT_transform_feedback },
1239 { GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS,
1240 CONTEXT_INT(Const.MaxTransformFeedbackBuffers),
1241 extra_EXT_transform_feedback },
1242 { GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS,
1243 CONTEXT_INT(Const.MaxTransformFeedbackSeparateComponents),
1244 extra_EXT_transform_feedback },
1246 /* GL_ARB_transform_feedback2 */
1247 { GL_TRANSFORM_FEEDBACK_BUFFER_PAUSED, LOC_CUSTOM, TYPE_BOOLEAN, 0,
1248 extra_ARB_transform_feedback2 },
1249 { GL_TRANSFORM_FEEDBACK_BUFFER_ACTIVE, LOC_CUSTOM, TYPE_BOOLEAN, 0,
1250 extra_ARB_transform_feedback2 },
1251 { GL_TRANSFORM_FEEDBACK_BINDING, LOC_CUSTOM, TYPE_INT, 0,
1252 extra_ARB_transform_feedback2 },
1254 /* GL_ARB_transform_feedback3 */
1255 { GL_MAX_TRANSFORM_FEEDBACK_BUFFERS,
1256 CONTEXT_INT(Const.MaxTransformFeedbackBuffers),
1257 extra_ARB_transform_feedback3 },
1258 { GL_MAX_VERTEX_STREAMS,
1259 CONTEXT_INT(Const.MaxVertexStreams),
1260 extra_ARB_transform_feedback3 },
1262 /* GL_ARB_geometry_shader4 */
1263 { GL_MAX_GEOMETRY_TEXTURE_IMAGE_UNITS_ARB,
1264 CONTEXT_INT(Const.MaxGeometryTextureImageUnits),
1265 extra_ARB_geometry_shader4 },
1266 { GL_MAX_GEOMETRY_OUTPUT_VERTICES_ARB,
1267 CONTEXT_INT(Const.MaxGeometryOutputVertices),
1268 extra_ARB_geometry_shader4 },
1269 { GL_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS_ARB,
1270 CONTEXT_INT(Const.MaxGeometryTotalOutputComponents),
1271 extra_ARB_geometry_shader4 },
1272 { GL_MAX_GEOMETRY_UNIFORM_COMPONENTS_ARB,
1273 CONTEXT_INT(Const.GeometryProgram.MaxUniformComponents),
1274 extra_ARB_geometry_shader4 },
1275 { GL_MAX_GEOMETRY_VARYING_COMPONENTS_ARB,
1276 CONTEXT_INT(Const.MaxGeometryVaryingComponents),
1277 extra_ARB_geometry_shader4 },
1278 { GL_MAX_VERTEX_VARYING_COMPONENTS_ARB,
1279 CONTEXT_INT(Const.MaxVertexVaryingComponents),
1280 extra_ARB_geometry_shader4 },
1282 /* GL_ARB_color_buffer_float */
1283 { GL_RGBA_FLOAT_MODE_ARB, BUFFER_FIELD(Visual.floatMode, TYPE_BOOLEAN), 0 },
1285 /* GL_EXT_gpu_shader4 / GLSL 1.30 */
1286 { GL_MIN_PROGRAM_TEXEL_OFFSET,
1287 CONTEXT_INT(Const.MinProgramTexelOffset),
1289 { GL_MAX_PROGRAM_TEXEL_OFFSET,
1290 CONTEXT_INT(Const.MaxProgramTexelOffset),
1293 /* GL_ARB_texture_buffer_object */
1294 { GL_MAX_TEXTURE_BUFFER_SIZE_ARB, CONTEXT_INT(Const.MaxTextureBufferSize),
1295 extra_texture_buffer_object },
1296 { GL_TEXTURE_BINDING_BUFFER_ARB, LOC_CUSTOM, TYPE_INT, 0,
1297 extra_texture_buffer_object },
1298 { GL_TEXTURE_BUFFER_DATA_STORE_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
1299 TEXTURE_BUFFER_INDEX, extra_texture_buffer_object },
1300 { GL_TEXTURE_BUFFER_FORMAT_ARB, LOC_CUSTOM, TYPE_INT, 0,
1301 extra_texture_buffer_object },
1302 { GL_TEXTURE_BUFFER_ARB, LOC_CUSTOM, TYPE_INT, 0,
1303 extra_texture_buffer_object },
1305 /* GL_ARB_sampler_objects / GL 3.3 */
1306 { GL_SAMPLER_BINDING,
1307 LOC_CUSTOM, TYPE_INT, GL_SAMPLER_BINDING, NO_EXTRA },
1310 { GL_NUM_EXTENSIONS, LOC_CUSTOM, TYPE_INT, 0, extra_version_30 },
1311 { GL_MAJOR_VERSION, LOC_CUSTOM, TYPE_INT, 0, extra_version_30 },
1312 { GL_MINOR_VERSION, LOC_CUSTOM, TYPE_INT, 0, extra_version_30 },
1313 { GL_CONTEXT_FLAGS, CONTEXT_INT(Const.ContextFlags), extra_version_30 },
1315 /* GL3.0 / GL_EXT_framebuffer_sRGB */
1316 { GL_FRAMEBUFFER_SRGB_EXT, CONTEXT_BOOL(Color.sRGBEnabled), extra_EXT_framebuffer_sRGB },
1317 { GL_FRAMEBUFFER_SRGB_CAPABLE_EXT, BUFFER_INT(Visual.sRGBCapable), extra_EXT_framebuffer_sRGB },
1320 /* NOTE: different enum values for GL_PRIMITIVE_RESTART_NV
1321 * vs. GL_PRIMITIVE_RESTART!
1323 { GL_PRIMITIVE_RESTART, CONTEXT_BOOL(Array.PrimitiveRestart),
1325 { GL_PRIMITIVE_RESTART_INDEX, CONTEXT_INT(Array.RestartIndex),
1330 { GL_CONTEXT_PROFILE_MASK, CONTEXT_INT(Const.ProfileMask),
1333 /* GL_ARB_robustness */
1334 { GL_RESET_NOTIFICATION_STRATEGY_ARB, CONTEXT_ENUM(Const.ResetStrategy), NO_EXTRA },
1336 /* GL_ARB_debug_output */
1337 { GL_DEBUG_LOGGED_MESSAGES_ARB, CONTEXT_INT(Debug.NumMessages), NO_EXTRA },
1338 { GL_DEBUG_NEXT_LOGGED_MESSAGE_LENGTH_ARB, CONTEXT_INT(Debug.NextMsgLength), NO_EXTRA },
1339 { GL_MAX_DEBUG_LOGGED_MESSAGES_ARB, CONST(MAX_DEBUG_LOGGED_MESSAGES), NO_EXTRA },
1340 { GL_MAX_DEBUG_MESSAGE_LENGTH_ARB, CONST(MAX_DEBUG_MESSAGE_LENGTH), NO_EXTRA },
1342 { GL_MAX_DUAL_SOURCE_DRAW_BUFFERS, CONTEXT_INT(Const.MaxDualSourceDrawBuffers), extra_ARB_blend_func_extended },
1344 /* GL_ARB_uniform_buffer_object */
1345 { GL_MAX_VERTEX_UNIFORM_BLOCKS, CONTEXT_INT(Const.VertexProgram.MaxUniformBlocks),
1346 extra_ARB_uniform_buffer_object },
1347 { GL_MAX_FRAGMENT_UNIFORM_BLOCKS, CONTEXT_INT(Const.FragmentProgram.MaxUniformBlocks),
1348 extra_ARB_uniform_buffer_object },
1349 { GL_MAX_GEOMETRY_UNIFORM_BLOCKS, CONTEXT_INT(Const.GeometryProgram.MaxUniformBlocks),
1350 extra_ARB_uniform_buffer_object_and_geometry_shader },
1351 { GL_MAX_COMBINED_UNIFORM_BLOCKS, CONTEXT_INT(Const.MaxCombinedUniformBlocks),
1352 extra_ARB_uniform_buffer_object },
1353 { GL_MAX_UNIFORM_BLOCK_SIZE, CONTEXT_INT(Const.MaxUniformBlockSize),
1354 extra_ARB_uniform_buffer_object },
1355 { GL_MAX_UNIFORM_BUFFER_BINDINGS, CONTEXT_INT(Const.MaxUniformBufferBindings),
1356 extra_ARB_uniform_buffer_object },
1358 { GL_MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS, CONTEXT_INT(Const.VertexProgram.MaxCombinedUniformComponents),
1359 extra_ARB_uniform_buffer_object },
1360 { GL_MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS, CONTEXT_INT(Const.FragmentProgram.MaxCombinedUniformComponents),
1361 extra_ARB_uniform_buffer_object },
1362 { GL_MAX_COMBINED_GEOMETRY_UNIFORM_COMPONENTS, CONTEXT_INT(Const.GeometryProgram.MaxCombinedUniformComponents),
1363 extra_ARB_uniform_buffer_object_and_geometry_shader },
1364 { GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT, CONTEXT_INT(Const.UniformBufferOffsetAlignment),
1365 extra_ARB_uniform_buffer_object },
1367 { GL_UNIFORM_BUFFER_BINDING, LOC_CUSTOM, TYPE_INT, 0, extra_ARB_uniform_buffer_object },
1369 /* GL_ARB_timer_query */
1370 { GL_TIMESTAMP, LOC_CUSTOM, TYPE_INT64, 0, extra_ARB_timer_query }
1372 #endif /* FEATURE_GL */
1375 /* All we need now is a way to look up the value struct from the enum.
1376 * The code generated by gcc for the old generated big switch
1377 * statement is a big, balanced, open coded if/else tree, essentially
1378 * an unrolled binary search. It would be natural to sort the new
1379 * enum table and use bsearch(), but we will use a read-only hash
1380 * table instead. bsearch() has a nice guaranteed worst case
1381 * performance, but we're also guaranteed to hit that worst case
1382 * (log2(n) iterations) for about half the enums. Instead, using an
1383 * open addressing hash table, we can find the enum on the first try
1384 * for 80% of the enums, 1 collision for 10% and never more than 5
1385 * collisions for any enum (typical numbers). And the code is very
1386 * simple, even though it feels a little magic. */
1388 static unsigned short table[API_LAST + 1][1024];
1389 static const int prime_factor = 89, prime_step = 281;
1393 print_table_stats(int api)
1395 int i, j, collisions[11], count, hash, mask;
1396 const struct value_desc *d;
1397 const char *api_names[] = {
1398 [API_OPENGL] = "GL",
1399 [API_OPENGL_CORE] = "GL_CORE",
1400 [API_OPENGLES] = "GLES",
1401 [API_OPENGLES2] = "GLES2",
1403 const char *api_name;
1405 api_name = api < Elements(api_names) ? api_names[api] : "N/A";
1407 mask = Elements(table[api]) - 1;
1408 memset(collisions, 0, sizeof collisions);
1410 for (i = 0; i < Elements(table[api]); i++) {
1414 d = &values[table[api][i]];
1415 hash = (d->pname * prime_factor);
1418 if (values[table[api][hash & mask]].pname == d->pname)
1430 printf("number of enums for %s: %d (total %ld)\n",
1431 api_name, count, Elements(values));
1432 for (i = 0; i < Elements(collisions) - 1; i++)
1433 if (collisions[i] > 0)
1434 printf(" %d enums with %d %scollisions\n",
1435 collisions[i], i, i == 10 ? "or more " : "");
1440 * Initialize the enum hash for a given API
1442 * This is called from one_time_init() to insert the enum values that
1443 * are valid for the API in question into the enum hash table.
1445 * \param the current context, for determining the API in question
1447 void _mesa_init_get_hash(struct gl_context *ctx)
1449 int i, hash, index, mask;
1451 int api_mask = 0, api_bit;
1455 mask = Elements(table[api]) - 1;
1458 for (i = 0; i < Elements(values); i++) {
1459 if (values[i].type == TYPE_API_MASK) {
1460 api_mask = values[i].offset;
1463 if (!(api_mask & api_bit))
1466 hash = (values[i].pname * prime_factor) & mask;
1468 index = hash & mask;
1469 if (!table[api][index]) {
1470 table[api][index] = i;
1478 print_table_stats();
1483 * Handle irregular enums
1485 * Some values don't conform to the "well-known type at context
1486 * pointer + offset" pattern, so we have this function to catch all
1487 * the corner cases. Typically, it's a computed value or a one-off
1488 * pointer to a custom struct or something.
1490 * In this case we can't return a pointer to the value, so we'll have
1491 * to use the temporary variable 'v' declared back in the calling
1492 * glGet*v() function to store the result.
1494 * \param ctx the current context
1495 * \param d the struct value_desc that describes the enum
1496 * \param v pointer to the tmp declared in the calling glGet*v() function
1499 find_custom_value(struct gl_context *ctx, const struct value_desc *d, union value *v)
1501 struct gl_buffer_object **buffer_obj;
1502 struct gl_client_array *array;
1506 case GL_MAJOR_VERSION:
1507 v->value_int = ctx->Version / 10;
1509 case GL_MINOR_VERSION:
1510 v->value_int = ctx->Version % 10;
1516 case GL_TEXTURE_1D_ARRAY_EXT:
1517 case GL_TEXTURE_2D_ARRAY_EXT:
1518 case GL_TEXTURE_CUBE_MAP_ARB:
1519 case GL_TEXTURE_RECTANGLE_NV:
1520 case GL_TEXTURE_EXTERNAL_OES:
1521 v->value_bool = _mesa_IsEnabled(d->pname);
1524 case GL_LINE_STIPPLE_PATTERN:
1525 /* This is the only GLushort, special case it here by promoting
1526 * to an int rather than introducing a new type. */
1527 v->value_int = ctx->Line.StipplePattern;
1530 case GL_CURRENT_RASTER_TEXTURE_COORDS:
1531 unit = ctx->Texture.CurrentUnit;
1532 v->value_float_4[0] = ctx->Current.RasterTexCoords[unit][0];
1533 v->value_float_4[1] = ctx->Current.RasterTexCoords[unit][1];
1534 v->value_float_4[2] = ctx->Current.RasterTexCoords[unit][2];
1535 v->value_float_4[3] = ctx->Current.RasterTexCoords[unit][3];
1538 case GL_CURRENT_TEXTURE_COORDS:
1539 unit = ctx->Texture.CurrentUnit;
1540 v->value_float_4[0] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][0];
1541 v->value_float_4[1] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][1];
1542 v->value_float_4[2] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][2];
1543 v->value_float_4[3] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][3];
1546 case GL_COLOR_WRITEMASK:
1547 v->value_int_4[0] = ctx->Color.ColorMask[0][RCOMP] ? 1 : 0;
1548 v->value_int_4[1] = ctx->Color.ColorMask[0][GCOMP] ? 1 : 0;
1549 v->value_int_4[2] = ctx->Color.ColorMask[0][BCOMP] ? 1 : 0;
1550 v->value_int_4[3] = ctx->Color.ColorMask[0][ACOMP] ? 1 : 0;
1554 v->value_bool = ctx->Current.Attrib[VERT_ATTRIB_EDGEFLAG][0] == 1.0;
1557 case GL_READ_BUFFER:
1558 v->value_enum = ctx->ReadBuffer->ColorReadBuffer;
1561 case GL_MAP2_GRID_DOMAIN:
1562 v->value_float_4[0] = ctx->Eval.MapGrid2u1;
1563 v->value_float_4[1] = ctx->Eval.MapGrid2u2;
1564 v->value_float_4[2] = ctx->Eval.MapGrid2v1;
1565 v->value_float_4[3] = ctx->Eval.MapGrid2v2;
1568 case GL_TEXTURE_STACK_DEPTH:
1569 unit = ctx->Texture.CurrentUnit;
1570 v->value_int = ctx->TextureMatrixStack[unit].Depth + 1;
1572 case GL_TEXTURE_MATRIX:
1573 unit = ctx->Texture.CurrentUnit;
1574 v->value_matrix = ctx->TextureMatrixStack[unit].Top;
1577 case GL_TEXTURE_COORD_ARRAY:
1578 case GL_TEXTURE_COORD_ARRAY_SIZE:
1579 case GL_TEXTURE_COORD_ARRAY_TYPE:
1580 case GL_TEXTURE_COORD_ARRAY_STRIDE:
1581 array = &ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_TEX(ctx->Array.ActiveTexture)];
1582 v->value_int = *(GLuint *) ((char *) array + d->offset);
1585 case GL_ACTIVE_TEXTURE_ARB:
1586 v->value_int = GL_TEXTURE0_ARB + ctx->Texture.CurrentUnit;
1588 case GL_CLIENT_ACTIVE_TEXTURE_ARB:
1589 v->value_int = GL_TEXTURE0_ARB + ctx->Array.ActiveTexture;
1592 case GL_MODELVIEW_STACK_DEPTH:
1593 case GL_PROJECTION_STACK_DEPTH:
1594 v->value_int = *(GLint *) ((char *) ctx + d->offset) + 1;
1597 case GL_MAX_TEXTURE_SIZE:
1598 case GL_MAX_3D_TEXTURE_SIZE:
1599 case GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB:
1600 p = (GLuint *) ((char *) ctx + d->offset);
1601 v->value_int = 1 << (*p - 1);
1604 case GL_SCISSOR_BOX:
1605 v->value_int_4[0] = ctx->Scissor.X;
1606 v->value_int_4[1] = ctx->Scissor.Y;
1607 v->value_int_4[2] = ctx->Scissor.Width;
1608 v->value_int_4[3] = ctx->Scissor.Height;
1613 ctx->ListState.CurrentList ? ctx->ListState.CurrentList->Name : 0;
1616 if (!ctx->CompileFlag)
1618 else if (ctx->ExecuteFlag)
1619 v->value_enum = GL_COMPILE_AND_EXECUTE;
1621 v->value_enum = GL_COMPILE;
1625 v->value_int_4[0] = ctx->Viewport.X;
1626 v->value_int_4[1] = ctx->Viewport.Y;
1627 v->value_int_4[2] = ctx->Viewport.Width;
1628 v->value_int_4[3] = ctx->Viewport.Height;
1631 case GL_ACTIVE_STENCIL_FACE_EXT:
1632 v->value_enum = ctx->Stencil.ActiveFace ? GL_BACK : GL_FRONT;
1635 case GL_STENCIL_FAIL:
1636 v->value_enum = ctx->Stencil.FailFunc[ctx->Stencil.ActiveFace];
1638 case GL_STENCIL_FUNC:
1639 v->value_enum = ctx->Stencil.Function[ctx->Stencil.ActiveFace];
1641 case GL_STENCIL_PASS_DEPTH_FAIL:
1642 v->value_enum = ctx->Stencil.ZFailFunc[ctx->Stencil.ActiveFace];
1644 case GL_STENCIL_PASS_DEPTH_PASS:
1645 v->value_enum = ctx->Stencil.ZPassFunc[ctx->Stencil.ActiveFace];
1647 case GL_STENCIL_REF:
1648 v->value_int = ctx->Stencil.Ref[ctx->Stencil.ActiveFace];
1650 case GL_STENCIL_VALUE_MASK:
1651 v->value_int = ctx->Stencil.ValueMask[ctx->Stencil.ActiveFace];
1653 case GL_STENCIL_WRITEMASK:
1654 v->value_int = ctx->Stencil.WriteMask[ctx->Stencil.ActiveFace];
1657 case GL_NUM_EXTENSIONS:
1658 v->value_int = _mesa_get_extension_count(ctx);
1661 case GL_IMPLEMENTATION_COLOR_READ_TYPE_OES:
1662 v->value_int = _mesa_get_color_read_type(ctx);
1664 case GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES:
1665 v->value_int = _mesa_get_color_read_format(ctx);
1668 case GL_CURRENT_MATRIX_STACK_DEPTH_ARB:
1669 v->value_int = ctx->CurrentStack->Depth + 1;
1671 case GL_CURRENT_MATRIX_ARB:
1672 case GL_TRANSPOSE_CURRENT_MATRIX_ARB:
1673 v->value_matrix = ctx->CurrentStack->Top;
1676 case GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB:
1677 v->value_int = _mesa_get_compressed_formats(ctx, NULL);
1679 case GL_COMPRESSED_TEXTURE_FORMATS_ARB:
1681 _mesa_get_compressed_formats(ctx, v->value_int_n.ints);
1682 ASSERT(v->value_int_n.n <= 100);
1685 case GL_MAX_VARYING_FLOATS_ARB:
1686 v->value_int = ctx->Const.MaxVarying * 4;
1689 /* Various object names */
1691 case GL_TEXTURE_BINDING_1D:
1692 case GL_TEXTURE_BINDING_2D:
1693 case GL_TEXTURE_BINDING_3D:
1694 case GL_TEXTURE_BINDING_1D_ARRAY_EXT:
1695 case GL_TEXTURE_BINDING_2D_ARRAY_EXT:
1696 case GL_TEXTURE_BINDING_CUBE_MAP_ARB:
1697 case GL_TEXTURE_BINDING_RECTANGLE_NV:
1698 case GL_TEXTURE_BINDING_EXTERNAL_OES:
1699 unit = ctx->Texture.CurrentUnit;
1701 ctx->Texture.Unit[unit].CurrentTex[d->offset]->Name;
1704 /* GL_ARB_vertex_buffer_object */
1705 case GL_VERTEX_ARRAY_BUFFER_BINDING_ARB:
1706 case GL_NORMAL_ARRAY_BUFFER_BINDING_ARB:
1707 case GL_COLOR_ARRAY_BUFFER_BINDING_ARB:
1708 case GL_INDEX_ARRAY_BUFFER_BINDING_ARB:
1709 case GL_EDGE_FLAG_ARRAY_BUFFER_BINDING_ARB:
1710 case GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING_ARB:
1711 case GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING_ARB:
1712 buffer_obj = (struct gl_buffer_object **)
1713 ((char *) ctx->Array.ArrayObj + d->offset);
1714 v->value_int = (*buffer_obj)->Name;
1716 case GL_ARRAY_BUFFER_BINDING_ARB:
1717 v->value_int = ctx->Array.ArrayBufferObj->Name;
1719 case GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING_ARB:
1721 ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_TEX(ctx->Array.ActiveTexture)].BufferObj->Name;
1723 case GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB:
1724 v->value_int = ctx->Array.ArrayObj->ElementArrayBufferObj->Name;
1727 /* ARB_copy_buffer */
1728 case GL_COPY_READ_BUFFER:
1729 v->value_int = ctx->CopyReadBuffer->Name;
1731 case GL_COPY_WRITE_BUFFER:
1732 v->value_int = ctx->CopyWriteBuffer->Name;
1735 case GL_FRAGMENT_PROGRAM_BINDING_NV:
1737 ctx->FragmentProgram.Current ? ctx->FragmentProgram.Current->Base.Id : 0;
1739 case GL_VERTEX_PROGRAM_BINDING_NV:
1741 ctx->VertexProgram.Current ? ctx->VertexProgram.Current->Base.Id : 0;
1743 case GL_PIXEL_PACK_BUFFER_BINDING_EXT:
1744 v->value_int = ctx->Pack.BufferObj->Name;
1746 case GL_PIXEL_UNPACK_BUFFER_BINDING_EXT:
1747 v->value_int = ctx->Unpack.BufferObj->Name;
1749 case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING:
1750 v->value_int = ctx->TransformFeedback.CurrentBuffer->Name;
1752 case GL_TRANSFORM_FEEDBACK_BUFFER_PAUSED:
1753 v->value_int = ctx->TransformFeedback.CurrentObject->Paused;
1755 case GL_TRANSFORM_FEEDBACK_BUFFER_ACTIVE:
1756 v->value_int = ctx->TransformFeedback.CurrentObject->Active;
1758 case GL_TRANSFORM_FEEDBACK_BINDING:
1759 v->value_int = ctx->TransformFeedback.CurrentObject->Name;
1761 case GL_CURRENT_PROGRAM:
1763 ctx->Shader.ActiveProgram ? ctx->Shader.ActiveProgram->Name : 0;
1765 case GL_READ_FRAMEBUFFER_BINDING_EXT:
1766 v->value_int = ctx->ReadBuffer->Name;
1768 case GL_RENDERBUFFER_BINDING_EXT:
1770 ctx->CurrentRenderbuffer ? ctx->CurrentRenderbuffer->Name : 0;
1772 case GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES:
1773 v->value_int = ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_POINT_SIZE].BufferObj->Name;
1777 if(ctx->Color._ClampFragmentColor)
1778 COPY_4FV(v->value_float_4, ctx->Fog.Color);
1780 COPY_4FV(v->value_float_4, ctx->Fog.ColorUnclamped);
1782 case GL_COLOR_CLEAR_VALUE:
1783 if(ctx->Color._ClampFragmentColor) {
1784 v->value_float_4[0] = CLAMP(ctx->Color.ClearColor.f[0], 0.0F, 1.0F);
1785 v->value_float_4[1] = CLAMP(ctx->Color.ClearColor.f[1], 0.0F, 1.0F);
1786 v->value_float_4[2] = CLAMP(ctx->Color.ClearColor.f[2], 0.0F, 1.0F);
1787 v->value_float_4[3] = CLAMP(ctx->Color.ClearColor.f[3], 0.0F, 1.0F);
1789 COPY_4FV(v->value_float_4, ctx->Color.ClearColor.f);
1791 case GL_BLEND_COLOR_EXT:
1792 if(ctx->Color._ClampFragmentColor)
1793 COPY_4FV(v->value_float_4, ctx->Color.BlendColor);
1795 COPY_4FV(v->value_float_4, ctx->Color.BlendColorUnclamped);
1797 case GL_ALPHA_TEST_REF:
1798 if(ctx->Color._ClampFragmentColor)
1799 v->value_float = ctx->Color.AlphaRef;
1801 v->value_float = ctx->Color.AlphaRefUnclamped;
1803 case GL_MAX_VERTEX_UNIFORM_VECTORS:
1804 v->value_int = ctx->Const.VertexProgram.MaxUniformComponents / 4;
1807 case GL_MAX_FRAGMENT_UNIFORM_VECTORS:
1808 v->value_int = ctx->Const.FragmentProgram.MaxUniformComponents / 4;
1811 /* GL_ARB_texture_buffer_object */
1812 case GL_TEXTURE_BUFFER_ARB:
1813 v->value_int = ctx->Texture.BufferObject->Name;
1815 case GL_TEXTURE_BINDING_BUFFER_ARB:
1816 unit = ctx->Texture.CurrentUnit;
1818 ctx->Texture.Unit[unit].CurrentTex[TEXTURE_BUFFER_INDEX]->Name;
1820 case GL_TEXTURE_BUFFER_DATA_STORE_BINDING_ARB:
1822 struct gl_buffer_object *buf =
1823 ctx->Texture.Unit[ctx->Texture.CurrentUnit]
1824 .CurrentTex[TEXTURE_BUFFER_INDEX]->BufferObject;
1825 v->value_int = buf ? buf->Name : 0;
1828 case GL_TEXTURE_BUFFER_FORMAT_ARB:
1829 v->value_int = ctx->Texture.Unit[ctx->Texture.CurrentUnit]
1830 .CurrentTex[TEXTURE_BUFFER_INDEX]->BufferObjectFormat;
1833 /* GL_ARB_sampler_objects */
1834 case GL_SAMPLER_BINDING:
1836 struct gl_sampler_object *samp =
1837 ctx->Texture.Unit[ctx->Texture.CurrentUnit].Sampler;
1838 v->value_int = samp ? samp->Name : 0;
1841 /* GL_ARB_uniform_buffer_object */
1842 case GL_UNIFORM_BUFFER_BINDING:
1843 v->value_int = ctx->UniformBuffer->Name;
1845 /* GL_ARB_timer_query */
1847 if (ctx->Driver.GetTimestamp) {
1848 v->value_int64 = ctx->Driver.GetTimestamp(ctx);
1851 _mesa_problem(ctx, "driver doesn't implement GetTimestamp");
1858 * Check extra constraints on a struct value_desc descriptor
1860 * If a struct value_desc has a non-NULL extra pointer, it means that
1861 * there are a number of extra constraints to check or actions to
1862 * perform. The extras is just an integer array where each integer
1863 * encode different constraints or actions.
1865 * \param ctx current context
1866 * \param func name of calling glGet*v() function for error reporting
1867 * \param d the struct value_desc that has the extra constraints
1869 * \return GL_FALSE if one of the constraints was not satisfied,
1870 * otherwise GL_TRUE.
1873 check_extra(struct gl_context *ctx, const char *func, const struct value_desc *d)
1875 const GLuint version = ctx->Version;
1881 for (e = d->extra; *e != EXTRA_END; e++)
1883 case EXTRA_VERSION_30:
1884 if (version >= 30) {
1889 case EXTRA_VERSION_31:
1890 if (version >= 31) {
1895 case EXTRA_VERSION_32:
1896 if (version >= 32) {
1901 case EXTRA_NEW_FRAG_CLAMP:
1902 if (ctx->NewState & (_NEW_BUFFERS | _NEW_FRAG_CLAMP))
1903 _mesa_update_state(ctx);
1906 if (ctx->API == API_OPENGLES2) {
1912 if (_mesa_is_desktop_gl(ctx)) {
1917 case EXTRA_NEW_BUFFERS:
1918 if (ctx->NewState & _NEW_BUFFERS)
1919 _mesa_update_state(ctx);
1921 case EXTRA_FLUSH_CURRENT:
1922 FLUSH_CURRENT(ctx, 0);
1924 case EXTRA_VALID_DRAW_BUFFER:
1925 if (d->pname - GL_DRAW_BUFFER0_ARB >= ctx->Const.MaxDrawBuffers) {
1926 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(draw buffer %u)",
1927 func, d->pname - GL_DRAW_BUFFER0_ARB);
1931 case EXTRA_VALID_TEXTURE_UNIT:
1932 if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) {
1933 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(texture %u)",
1934 func, ctx->Texture.CurrentUnit);
1938 case EXTRA_VALID_CLIP_DISTANCE:
1939 if (d->pname - GL_CLIP_DISTANCE0 >= ctx->Const.MaxClipPlanes) {
1940 _mesa_error(ctx, GL_INVALID_ENUM, "%s(clip distance %u)",
1941 func, d->pname - GL_CLIP_DISTANCE0);
1945 case EXTRA_GLSL_130:
1946 if (ctx->Const.GLSLVersion >= 130) {
1953 default: /* *e is a offset into the extension struct */
1955 if (*(GLboolean *) ((char *) &ctx->Extensions + *e))
1960 if (total > 0 && enabled == 0) {
1961 _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=%s)", func,
1962 _mesa_lookup_enum_by_nr(d->pname));
1969 static const struct value_desc error_value =
1970 { 0, 0, TYPE_INVALID, NO_OFFSET, NO_EXTRA };
1973 * Find the struct value_desc corresponding to the enum 'pname'.
1975 * We hash the enum value to get an index into the 'table' array,
1976 * which holds the index in the 'values' array of struct value_desc.
1977 * Once we've found the entry, we do the extra checks, if any, then
1978 * look up the value and return a pointer to it.
1980 * If the value has to be computed (for example, it's the result of a
1981 * function call or we need to add 1 to it), we use the tmp 'v' to
1984 * \param func name of glGet*v() func for error reporting
1985 * \param pname the enum value we're looking up
1986 * \param p is were we return the pointer to the value
1987 * \param v a tmp union value variable in the calling glGet*v() function
1989 * \return the struct value_desc corresponding to the enum or a struct
1990 * value_desc of TYPE_INVALID if not found. This lets the calling
1991 * glGet*v() function jump right into a switch statement and
1992 * handle errors there instead of having to check for NULL.
1994 static const struct value_desc *
1995 find_value(const char *func, GLenum pname, void **p, union value *v)
1997 GET_CURRENT_CONTEXT(ctx);
1998 struct gl_texture_unit *unit;
2000 const struct value_desc *d;
2004 mask = Elements(table[api]) - 1;
2005 hash = (pname * prime_factor);
2007 int idx = table[api][hash & mask];
2009 /* If the enum isn't valid, the hash walk ends with index 0,
2010 * pointing to the first entry of values[] which doesn't hold
2011 * any valid enum. */
2012 if (unlikely(idx == 0)) {
2013 _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=%s)", func,
2014 _mesa_lookup_enum_by_nr(pname));
2015 return &error_value;
2019 if (likely(d->pname == pname))
2025 if (unlikely(d->extra && !check_extra(ctx, func, d)))
2026 return &error_value;
2028 switch (d->location) {
2030 *p = ((char *) ctx->DrawBuffer + d->offset);
2033 *p = ((char *) ctx + d->offset);
2036 *p = ((char *) ctx->Array.ArrayObj + d->offset);
2039 unit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
2040 *p = ((char *) unit + d->offset);
2043 find_custom_value(ctx, d, v);
2051 /* silence warning */
2052 return &error_value;
2055 static const int transpose[] = {
2063 _mesa_GetBooleanv(GLenum pname, GLboolean *params)
2065 const struct value_desc *d;
2070 GET_CURRENT_CONTEXT(ctx);
2072 ASSERT_OUTSIDE_BEGIN_END(ctx);
2074 d = find_value("glGetBooleanv", pname, &p, &v);
2079 params[0] = INT_TO_BOOLEAN(d->offset);
2084 params[3] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[3]);
2087 params[2] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[2]);
2090 params[1] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[1]);
2093 params[0] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[0]);
2097 params[0] = FLOAT_TO_BOOLEAN(((GLdouble *) p)[0]);
2101 params[3] = INT_TO_BOOLEAN(((GLint *) p)[3]);
2103 params[2] = INT_TO_BOOLEAN(((GLint *) p)[2]);
2106 params[1] = INT_TO_BOOLEAN(((GLint *) p)[1]);
2109 params[0] = INT_TO_BOOLEAN(((GLint *) p)[0]);
2113 for (i = 0; i < v.value_int_n.n; i++)
2114 params[i] = INT_TO_BOOLEAN(v.value_int_n.ints[i]);
2118 params[0] = INT64_TO_BOOLEAN(((GLint64 *) p)[0]);
2122 params[0] = ((GLboolean*) p)[0];
2126 m = *(GLmatrix **) p;
2127 for (i = 0; i < 16; i++)
2128 params[i] = FLOAT_TO_BOOLEAN(m->m[i]);
2132 m = *(GLmatrix **) p;
2133 for (i = 0; i < 16; i++)
2134 params[i] = FLOAT_TO_BOOLEAN(m->m[transpose[i]]);
2145 shift = d->type - TYPE_BIT_0;
2146 params[0] = (*(GLbitfield *) p >> shift) & 1;
2152 _mesa_GetFloatv(GLenum pname, GLfloat *params)
2154 const struct value_desc *d;
2159 GET_CURRENT_CONTEXT(ctx);
2161 ASSERT_OUTSIDE_BEGIN_END(ctx);
2163 d = find_value("glGetFloatv", pname, &p, &v);
2168 params[0] = (GLfloat) d->offset;
2173 params[3] = ((GLfloat *) p)[3];
2176 params[2] = ((GLfloat *) p)[2];
2179 params[1] = ((GLfloat *) p)[1];
2182 params[0] = ((GLfloat *) p)[0];
2186 params[0] = ((GLdouble *) p)[0];
2190 params[3] = (GLfloat) (((GLint *) p)[3]);
2192 params[2] = (GLfloat) (((GLint *) p)[2]);
2195 params[1] = (GLfloat) (((GLint *) p)[1]);
2198 params[0] = (GLfloat) (((GLint *) p)[0]);
2202 for (i = 0; i < v.value_int_n.n; i++)
2203 params[i] = INT_TO_FLOAT(v.value_int_n.ints[i]);
2207 params[0] = ((GLint64 *) p)[0];
2211 params[0] = BOOLEAN_TO_FLOAT(*(GLboolean*) p);
2215 m = *(GLmatrix **) p;
2216 for (i = 0; i < 16; i++)
2217 params[i] = m->m[i];
2221 m = *(GLmatrix **) p;
2222 for (i = 0; i < 16; i++)
2223 params[i] = m->m[transpose[i]];
2234 shift = d->type - TYPE_BIT_0;
2235 params[0] = BOOLEAN_TO_FLOAT((*(GLbitfield *) p >> shift) & 1);
2241 _mesa_GetIntegerv(GLenum pname, GLint *params)
2243 const struct value_desc *d;
2248 GET_CURRENT_CONTEXT(ctx);
2250 ASSERT_OUTSIDE_BEGIN_END(ctx);
2252 d = find_value("glGetIntegerv", pname, &p, &v);
2257 params[0] = d->offset;
2261 params[3] = IROUND(((GLfloat *) p)[3]);
2263 params[2] = IROUND(((GLfloat *) p)[2]);
2265 params[1] = IROUND(((GLfloat *) p)[1]);
2267 params[0] = IROUND(((GLfloat *) p)[0]);
2271 params[3] = FLOAT_TO_INT(((GLfloat *) p)[3]);
2273 params[2] = FLOAT_TO_INT(((GLfloat *) p)[2]);
2275 params[1] = FLOAT_TO_INT(((GLfloat *) p)[1]);
2277 params[0] = FLOAT_TO_INT(((GLfloat *) p)[0]);
2281 params[0] = FLOAT_TO_INT(((GLdouble *) p)[0]);
2285 params[3] = ((GLint *) p)[3];
2287 params[2] = ((GLint *) p)[2];
2290 params[1] = ((GLint *) p)[1];
2293 params[0] = ((GLint *) p)[0];
2297 for (i = 0; i < v.value_int_n.n; i++)
2298 params[i] = v.value_int_n.ints[i];
2302 params[0] = INT64_TO_INT(((GLint64 *) p)[0]);
2306 params[0] = BOOLEAN_TO_INT(*(GLboolean*) p);
2310 m = *(GLmatrix **) p;
2311 for (i = 0; i < 16; i++)
2312 params[i] = FLOAT_TO_INT(m->m[i]);
2316 m = *(GLmatrix **) p;
2317 for (i = 0; i < 16; i++)
2318 params[i] = FLOAT_TO_INT(m->m[transpose[i]]);
2329 shift = d->type - TYPE_BIT_0;
2330 params[0] = (*(GLbitfield *) p >> shift) & 1;
2336 _mesa_GetInteger64v(GLenum pname, GLint64 *params)
2338 const struct value_desc *d;
2343 GET_CURRENT_CONTEXT(ctx);
2345 ASSERT_OUTSIDE_BEGIN_END(ctx);
2347 d = find_value("glGetInteger64v", pname, &p, &v);
2352 params[0] = d->offset;
2356 params[3] = IROUND64(((GLfloat *) p)[3]);
2358 params[2] = IROUND64(((GLfloat *) p)[2]);
2360 params[1] = IROUND64(((GLfloat *) p)[1]);
2362 params[0] = IROUND64(((GLfloat *) p)[0]);
2366 params[3] = FLOAT_TO_INT64(((GLfloat *) p)[3]);
2368 params[2] = FLOAT_TO_INT64(((GLfloat *) p)[2]);
2370 params[1] = FLOAT_TO_INT64(((GLfloat *) p)[1]);
2372 params[0] = FLOAT_TO_INT64(((GLfloat *) p)[0]);
2376 params[0] = FLOAT_TO_INT64(((GLdouble *) p)[0]);
2380 params[3] = ((GLint *) p)[3];
2382 params[2] = ((GLint *) p)[2];
2385 params[1] = ((GLint *) p)[1];
2388 params[0] = ((GLint *) p)[0];
2392 for (i = 0; i < v.value_int_n.n; i++)
2393 params[i] = INT_TO_BOOLEAN(v.value_int_n.ints[i]);
2397 params[0] = ((GLint64 *) p)[0];
2401 params[0] = ((GLboolean*) p)[0];
2405 m = *(GLmatrix **) p;
2406 for (i = 0; i < 16; i++)
2407 params[i] = FLOAT_TO_INT64(m->m[i]);
2411 m = *(GLmatrix **) p;
2412 for (i = 0; i < 16; i++)
2413 params[i] = FLOAT_TO_INT64(m->m[transpose[i]]);
2424 shift = d->type - TYPE_BIT_0;
2425 params[0] = (*(GLbitfield *) p >> shift) & 1;
2431 _mesa_GetDoublev(GLenum pname, GLdouble *params)
2433 const struct value_desc *d;
2438 GET_CURRENT_CONTEXT(ctx);
2440 ASSERT_OUTSIDE_BEGIN_END(ctx);
2442 d = find_value("glGetDoublev", pname, &p, &v);
2447 params[0] = d->offset;
2452 params[3] = ((GLfloat *) p)[3];
2455 params[2] = ((GLfloat *) p)[2];
2458 params[1] = ((GLfloat *) p)[1];
2461 params[0] = ((GLfloat *) p)[0];
2465 params[0] = ((GLdouble *) p)[0];
2469 params[3] = ((GLint *) p)[3];
2471 params[2] = ((GLint *) p)[2];
2474 params[1] = ((GLint *) p)[1];
2477 params[0] = ((GLint *) p)[0];
2481 for (i = 0; i < v.value_int_n.n; i++)
2482 params[i] = v.value_int_n.ints[i];
2486 params[0] = ((GLint64 *) p)[0];
2490 params[0] = *(GLboolean*) p;
2494 m = *(GLmatrix **) p;
2495 for (i = 0; i < 16; i++)
2496 params[i] = m->m[i];
2500 m = *(GLmatrix **) p;
2501 for (i = 0; i < 16; i++)
2502 params[i] = m->m[transpose[i]];
2513 shift = d->type - TYPE_BIT_0;
2514 params[0] = (*(GLbitfield *) p >> shift) & 1;
2519 static enum value_type
2520 find_value_indexed(const char *func, GLenum pname, int index, union value *v)
2522 GET_CURRENT_CONTEXT(ctx);
2527 if (index >= ctx->Const.MaxDrawBuffers)
2529 if (!ctx->Extensions.EXT_draw_buffers2)
2531 v->value_int = (ctx->Color.BlendEnabled >> index) & 1;
2536 case GL_BLEND_SRC_RGB:
2537 if (index >= ctx->Const.MaxDrawBuffers)
2539 if (!ctx->Extensions.ARB_draw_buffers_blend)
2541 v->value_int = ctx->Color.Blend[index].SrcRGB;
2543 case GL_BLEND_SRC_ALPHA:
2544 if (index >= ctx->Const.MaxDrawBuffers)
2546 if (!ctx->Extensions.ARB_draw_buffers_blend)
2548 v->value_int = ctx->Color.Blend[index].SrcA;
2552 case GL_BLEND_DST_RGB:
2553 if (index >= ctx->Const.MaxDrawBuffers)
2555 if (!ctx->Extensions.ARB_draw_buffers_blend)
2557 v->value_int = ctx->Color.Blend[index].DstRGB;
2559 case GL_BLEND_DST_ALPHA:
2560 if (index >= ctx->Const.MaxDrawBuffers)
2562 if (!ctx->Extensions.ARB_draw_buffers_blend)
2564 v->value_int = ctx->Color.Blend[index].DstA;
2566 case GL_BLEND_EQUATION_RGB:
2567 if (index >= ctx->Const.MaxDrawBuffers)
2569 if (!ctx->Extensions.ARB_draw_buffers_blend)
2571 v->value_int = ctx->Color.Blend[index].EquationRGB;
2573 case GL_BLEND_EQUATION_ALPHA:
2574 if (index >= ctx->Const.MaxDrawBuffers)
2576 if (!ctx->Extensions.ARB_draw_buffers_blend)
2578 v->value_int = ctx->Color.Blend[index].EquationA;
2581 case GL_COLOR_WRITEMASK:
2582 if (index >= ctx->Const.MaxDrawBuffers)
2584 if (!ctx->Extensions.EXT_draw_buffers2)
2586 v->value_int_4[0] = ctx->Color.ColorMask[index][RCOMP] ? 1 : 0;
2587 v->value_int_4[1] = ctx->Color.ColorMask[index][GCOMP] ? 1 : 0;
2588 v->value_int_4[2] = ctx->Color.ColorMask[index][BCOMP] ? 1 : 0;
2589 v->value_int_4[3] = ctx->Color.ColorMask[index][ACOMP] ? 1 : 0;
2592 case GL_TRANSFORM_FEEDBACK_BUFFER_START:
2593 if (index >= ctx->Const.MaxTransformFeedbackBuffers)
2595 if (!ctx->Extensions.EXT_transform_feedback)
2597 v->value_int64 = ctx->TransformFeedback.CurrentObject->Offset[index];
2600 case GL_TRANSFORM_FEEDBACK_BUFFER_SIZE:
2601 if (index >= ctx->Const.MaxTransformFeedbackBuffers)
2603 if (!ctx->Extensions.EXT_transform_feedback)
2605 v->value_int64 = ctx->TransformFeedback.CurrentObject->Size[index];
2608 case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING:
2609 if (index >= ctx->Const.MaxTransformFeedbackBuffers)
2611 if (!ctx->Extensions.EXT_transform_feedback)
2613 v->value_int = ctx->TransformFeedback.CurrentObject->BufferNames[index];
2616 case GL_UNIFORM_BUFFER_BINDING:
2617 if (index >= ctx->Const.MaxUniformBufferBindings)
2619 if (!ctx->Extensions.ARB_uniform_buffer_object)
2621 v->value_int = ctx->UniformBufferBindings[index].BufferObject->Name;
2624 case GL_UNIFORM_BUFFER_START:
2625 if (index >= ctx->Const.MaxUniformBufferBindings)
2627 if (!ctx->Extensions.ARB_uniform_buffer_object)
2629 v->value_int = ctx->UniformBufferBindings[index].Offset;
2632 case GL_UNIFORM_BUFFER_SIZE:
2633 if (index >= ctx->Const.MaxUniformBufferBindings)
2635 if (!ctx->Extensions.ARB_uniform_buffer_object)
2637 v->value_int = ctx->UniformBufferBindings[index].Size;
2642 _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=%s)", func,
2643 _mesa_lookup_enum_by_nr(pname));
2644 return TYPE_INVALID;
2646 _mesa_error(ctx, GL_INVALID_VALUE, "%s(pname=%s)", func,
2647 _mesa_lookup_enum_by_nr(pname));
2648 return TYPE_INVALID;
2652 _mesa_GetBooleanIndexedv( GLenum pname, GLuint index, GLboolean *params )
2655 enum value_type type =
2656 find_value_indexed("glGetBooleanIndexedv", pname, index, &v);
2660 params[0] = INT_TO_BOOLEAN(v.value_int);
2663 params[0] = INT_TO_BOOLEAN(v.value_int_4[0]);
2664 params[1] = INT_TO_BOOLEAN(v.value_int_4[1]);
2665 params[2] = INT_TO_BOOLEAN(v.value_int_4[2]);
2666 params[3] = INT_TO_BOOLEAN(v.value_int_4[3]);
2669 params[0] = INT64_TO_BOOLEAN(v.value_int);
2672 ; /* nothing - GL error was recorded */
2677 _mesa_GetIntegerIndexedv( GLenum pname, GLuint index, GLint *params )
2680 enum value_type type =
2681 find_value_indexed("glGetIntegerIndexedv", pname, index, &v);
2685 params[0] = v.value_int;
2688 params[0] = v.value_int_4[0];
2689 params[1] = v.value_int_4[1];
2690 params[2] = v.value_int_4[2];
2691 params[3] = v.value_int_4[3];
2694 params[0] = INT64_TO_INT(v.value_int);
2697 ; /* nothing - GL error was recorded */
2702 _mesa_GetInteger64Indexedv( GLenum pname, GLuint index, GLint64 *params )
2705 enum value_type type =
2706 find_value_indexed("glGetIntegerIndexedv", pname, index, &v);
2710 params[0] = v.value_int;
2713 params[0] = v.value_int_4[0];
2714 params[1] = v.value_int_4[1];
2715 params[2] = v.value_int_4[2];
2716 params[3] = v.value_int_4[3];
2719 params[0] = v.value_int;
2722 ; /* nothing - GL error was recorded */
2728 _mesa_GetFixedv(GLenum pname, GLfixed *params)
2730 const struct value_desc *d;
2736 d = find_value("glGetDoublev", pname, &p, &v);
2741 params[0] = INT_TO_FIXED(d->offset);
2746 params[3] = FLOAT_TO_FIXED(((GLfloat *) p)[3]);
2749 params[2] = FLOAT_TO_FIXED(((GLfloat *) p)[2]);
2752 params[1] = FLOAT_TO_FIXED(((GLfloat *) p)[1]);
2755 params[0] = FLOAT_TO_FIXED(((GLfloat *) p)[0]);
2759 params[0] = FLOAT_TO_FIXED(((GLdouble *) p)[0]);
2763 params[3] = INT_TO_FIXED(((GLint *) p)[3]);
2765 params[2] = INT_TO_FIXED(((GLint *) p)[2]);
2768 params[1] = INT_TO_FIXED(((GLint *) p)[1]);
2771 params[0] = INT_TO_FIXED(((GLint *) p)[0]);
2775 for (i = 0; i < v.value_int_n.n; i++)
2776 params[i] = INT_TO_FIXED(v.value_int_n.ints[i]);
2780 params[0] = ((GLint64 *) p)[0];
2784 params[0] = BOOLEAN_TO_FIXED(((GLboolean*) p)[0]);
2788 m = *(GLmatrix **) p;
2789 for (i = 0; i < 16; i++)
2790 params[i] = FLOAT_TO_FIXED(m->m[i]);
2794 m = *(GLmatrix **) p;
2795 for (i = 0; i < 16; i++)
2796 params[i] = FLOAT_TO_FIXED(m->m[transpose[i]]);
2807 shift = d->type - TYPE_BIT_0;
2808 params[0] = BOOLEAN_TO_FIXED((*(GLbitfield *) p >> shift) & 1);