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Merge remote branch 'origin/master' into pipe-video
[mesa.git] / src / mesa / main / get.c
1 /*
2 * Copyright (C) 2010 Brian Paul All Rights Reserved.
3 * Copyright (C) 2010 Intel Corporation
4 *
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:
11 *
12 * The above copyright notice and this permission notice shall be included
13 * in all copies or substantial portions of the Software.
14 *
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.
21 *
22 * Author: Kristian Høgsberg <krh@bitplanet.net>
23 */
24
25 #include "glheader.h"
26 #include "context.h"
27 #include "enable.h"
28 #include "enums.h"
29 #include "extensions.h"
30 #include "get.h"
31 #include "macros.h"
32 #include "mtypes.h"
33 #include "state.h"
34 #include "texcompress.h"
35 #include "framebuffer.h"
36
37 /* This is a table driven implemetation of the glGet*v() functions.
38 * The basic idea is that most getters just look up an int somewhere
39 * in struct gl_context and then convert it to a bool or float according to
40 * which of glGetIntegerv() glGetBooleanv() etc is being called.
41 * Instead of generating code to do this, we can just record the enum
42 * value and the offset into struct gl_context in an array of structs. Then
43 * in glGet*(), we lookup the struct for the enum in question, and use
44 * the offset to get the int we need.
45 *
46 * Sometimes we need to look up a float, a boolean, a bit in a
47 * bitfield, a matrix or other types instead, so we need to track the
48 * type of the value in struct gl_context. And sometimes the value isn't in
49 * struct gl_context but in the drawbuffer, the array object, current texture
50 * unit, or maybe it's a computed value. So we need to also track
51 * where or how to find the value. Finally, we sometimes need to
52 * check that one of a number of extensions are enabled, the GL
53 * version or flush or call _mesa_update_state(). This is done by
54 * attaching optional extra information to the value description
55 * struct, it's sort of like an array of opcodes that describe extra
56 * checks or actions.
57 *
58 * Putting all this together we end up with struct value_desc below,
59 * and with a couple of macros to help, the table of struct value_desc
60 * is about as concise as the specification in the old python script.
61 */
62
63 #undef CONST
64
65 #define FLOAT_TO_BOOLEAN(X) ( (X) ? GL_TRUE : GL_FALSE )
66 #define FLOAT_TO_FIXED(F) ( ((F) * 65536.0f > INT_MAX) ? INT_MAX : \
67 ((F) * 65536.0f < INT_MIN) ? INT_MIN : \
68 (GLint) ((F) * 65536.0f) )
69
70 #define INT_TO_BOOLEAN(I) ( (I) ? GL_TRUE : GL_FALSE )
71 #define INT_TO_FIXED(I) ( ((I) > SHRT_MAX) ? INT_MAX : \
72 ((I) < SHRT_MIN) ? INT_MIN : \
73 (GLint) ((I) * 65536) )
74
75 #define INT64_TO_BOOLEAN(I) ( (I) ? GL_TRUE : GL_FALSE )
76 #define INT64_TO_INT(I) ( (GLint)((I > INT_MAX) ? INT_MAX : ((I < INT_MIN) ? INT_MIN : (I))) )
77
78 #define BOOLEAN_TO_INT(B) ( (GLint) (B) )
79 #define BOOLEAN_TO_INT64(B) ( (GLint64) (B) )
80 #define BOOLEAN_TO_FLOAT(B) ( (B) ? 1.0F : 0.0F )
81 #define BOOLEAN_TO_FIXED(B) ( (GLint) ((B) ? 1 : 0) << 16 )
82
83 #define ENUM_TO_INT64(E) ( (GLint64) (E) )
84 #define ENUM_TO_FIXED(E) (E)
85
86 enum value_type {
87 TYPE_INVALID,
88 TYPE_API_MASK,
89 TYPE_INT,
90 TYPE_INT_2,
91 TYPE_INT_3,
92 TYPE_INT_4,
93 TYPE_INT_N,
94 TYPE_INT64,
95 TYPE_ENUM,
96 TYPE_ENUM_2,
97 TYPE_BOOLEAN,
98 TYPE_BIT_0,
99 TYPE_BIT_1,
100 TYPE_BIT_2,
101 TYPE_BIT_3,
102 TYPE_BIT_4,
103 TYPE_BIT_5,
104 TYPE_FLOAT,
105 TYPE_FLOAT_2,
106 TYPE_FLOAT_3,
107 TYPE_FLOAT_4,
108 TYPE_FLOATN,
109 TYPE_FLOATN_2,
110 TYPE_FLOATN_3,
111 TYPE_FLOATN_4,
112 TYPE_DOUBLEN,
113 TYPE_MATRIX,
114 TYPE_MATRIX_T,
115 TYPE_CONST
116 };
117
118 enum value_location {
119 LOC_BUFFER,
120 LOC_CONTEXT,
121 LOC_ARRAY,
122 LOC_TEXUNIT,
123 LOC_CUSTOM
124 };
125
126 enum value_extra {
127 EXTRA_END = 0x8000,
128 EXTRA_VERSION_30,
129 EXTRA_VERSION_31,
130 EXTRA_VERSION_32,
131 EXTRA_VERSION_ES2,
132 EXTRA_NEW_BUFFERS,
133 EXTRA_VALID_DRAW_BUFFER,
134 EXTRA_VALID_TEXTURE_UNIT,
135 EXTRA_FLUSH_CURRENT,
136 };
137
138 #define NO_EXTRA NULL
139 #define NO_OFFSET 0
140
141 struct value_desc {
142 GLenum pname;
143 GLubyte location; /**< enum value_location */
144 GLubyte type; /**< enum value_type */
145 int offset;
146 const int *extra;
147 };
148
149 union value {
150 GLfloat value_float;
151 GLfloat value_float_4[4];
152 GLmatrix *value_matrix;
153 GLint value_int;
154 GLint value_int_4[4];
155 GLint64 value_int64;
156 GLenum value_enum;
157
158 /* Sigh, see GL_COMPRESSED_TEXTURE_FORMATS_ARB handling */
159 struct {
160 GLint n, ints[100];
161 } value_int_n;
162 GLboolean value_bool;
163 };
164
165 #define BUFFER_FIELD(field, type) \
166 LOC_BUFFER, type, offsetof(struct gl_framebuffer, field)
167 #define CONTEXT_FIELD(field, type) \
168 LOC_CONTEXT, type, offsetof(struct gl_context, field)
169 #define ARRAY_FIELD(field, type) \
170 LOC_ARRAY, type, offsetof(struct gl_array_object, field)
171 #define CONST(value) \
172 LOC_CONTEXT, TYPE_CONST, value
173
174 #define BUFFER_INT(field) BUFFER_FIELD(field, TYPE_INT)
175 #define BUFFER_ENUM(field) BUFFER_FIELD(field, TYPE_ENUM)
176 #define BUFFER_BOOL(field) BUFFER_FIELD(field, TYPE_BOOLEAN)
177
178 #define CONTEXT_INT(field) CONTEXT_FIELD(field, TYPE_INT)
179 #define CONTEXT_INT2(field) CONTEXT_FIELD(field, TYPE_INT_2)
180 #define CONTEXT_INT64(field) CONTEXT_FIELD(field, TYPE_INT64)
181 #define CONTEXT_ENUM(field) CONTEXT_FIELD(field, TYPE_ENUM)
182 #define CONTEXT_ENUM2(field) CONTEXT_FIELD(field, TYPE_ENUM_2)
183 #define CONTEXT_BOOL(field) CONTEXT_FIELD(field, TYPE_BOOLEAN)
184 #define CONTEXT_BIT0(field) CONTEXT_FIELD(field, TYPE_BIT_0)
185 #define CONTEXT_BIT1(field) CONTEXT_FIELD(field, TYPE_BIT_1)
186 #define CONTEXT_BIT2(field) CONTEXT_FIELD(field, TYPE_BIT_2)
187 #define CONTEXT_BIT3(field) CONTEXT_FIELD(field, TYPE_BIT_3)
188 #define CONTEXT_BIT4(field) CONTEXT_FIELD(field, TYPE_BIT_4)
189 #define CONTEXT_BIT5(field) CONTEXT_FIELD(field, TYPE_BIT_5)
190 #define CONTEXT_FLOAT(field) CONTEXT_FIELD(field, TYPE_FLOAT)
191 #define CONTEXT_FLOAT2(field) CONTEXT_FIELD(field, TYPE_FLOAT_2)
192 #define CONTEXT_FLOAT3(field) CONTEXT_FIELD(field, TYPE_FLOAT_3)
193 #define CONTEXT_FLOAT4(field) CONTEXT_FIELD(field, TYPE_FLOAT_4)
194 #define CONTEXT_MATRIX(field) CONTEXT_FIELD(field, TYPE_MATRIX)
195 #define CONTEXT_MATRIX_T(field) CONTEXT_FIELD(field, TYPE_MATRIX_T)
196
197 #define ARRAY_INT(field) ARRAY_FIELD(field, TYPE_INT)
198 #define ARRAY_ENUM(field) ARRAY_FIELD(field, TYPE_ENUM)
199 #define ARRAY_BOOL(field) ARRAY_FIELD(field, TYPE_BOOLEAN)
200
201 #define EXT(f) \
202 offsetof(struct gl_extensions, f)
203
204 #define EXTRA_EXT(e) \
205 static const int extra_##e[] = { \
206 EXT(e), EXTRA_END \
207 }
208
209 #define EXTRA_EXT2(e1, e2) \
210 static const int extra_##e1##_##e2[] = { \
211 EXT(e1), EXT(e2), EXTRA_END \
212 }
213
214 /* The 'extra' mechanism is a way to specify extra checks (such as
215 * extensions or specific gl versions) or actions (flush current, new
216 * buffers) that we need to do before looking up an enum. We need to
217 * declare them all up front so we can refer to them in the value_desc
218 * structs below. */
219
220 static const int extra_new_buffers[] = {
221 EXTRA_NEW_BUFFERS,
222 EXTRA_END
223 };
224
225 static const int extra_valid_draw_buffer[] = {
226 EXTRA_VALID_DRAW_BUFFER,
227 EXTRA_END
228 };
229
230 static const int extra_valid_texture_unit[] = {
231 EXTRA_VALID_TEXTURE_UNIT,
232 EXTRA_END
233 };
234
235 static const int extra_flush_current_valid_texture_unit[] = {
236 EXTRA_FLUSH_CURRENT,
237 EXTRA_VALID_TEXTURE_UNIT,
238 EXTRA_END
239 };
240
241 static const int extra_flush_current[] = {
242 EXTRA_FLUSH_CURRENT,
243 EXTRA_END
244 };
245
246 static const int extra_new_buffers_OES_read_format[] = {
247 EXTRA_NEW_BUFFERS,
248 EXT(OES_read_format),
249 EXTRA_END
250 };
251
252 static const int extra_EXT_secondary_color_flush_current[] = {
253 EXT(EXT_secondary_color),
254 EXTRA_FLUSH_CURRENT,
255 EXTRA_END
256 };
257
258 static const int extra_EXT_fog_coord_flush_current[] = {
259 EXT(EXT_fog_coord),
260 EXTRA_FLUSH_CURRENT,
261 EXTRA_END
262 };
263
264 static const int extra_EXT_texture_integer[] = {
265 EXT(EXT_texture_integer),
266 EXTRA_END
267 };
268
269 static const int extra_EXT_gpu_shader4[] = {
270 EXT(EXT_gpu_shader4),
271 EXTRA_END
272 };
273
274
275 EXTRA_EXT(ARB_multitexture);
276 EXTRA_EXT(ARB_texture_cube_map);
277 EXTRA_EXT(MESA_texture_array);
278 EXTRA_EXT2(EXT_secondary_color, ARB_vertex_program);
279 EXTRA_EXT(EXT_secondary_color);
280 EXTRA_EXT(EXT_fog_coord);
281 EXTRA_EXT(EXT_texture_lod_bias);
282 EXTRA_EXT(EXT_texture_filter_anisotropic);
283 EXTRA_EXT(IBM_rasterpos_clip);
284 EXTRA_EXT(NV_point_sprite);
285 EXTRA_EXT(SGIS_generate_mipmap);
286 EXTRA_EXT(NV_vertex_program);
287 EXTRA_EXT(NV_fragment_program);
288 EXTRA_EXT(NV_texture_rectangle);
289 EXTRA_EXT(EXT_stencil_two_side);
290 EXTRA_EXT(NV_light_max_exponent);
291 EXTRA_EXT(SGI_texture_color_table);
292 EXTRA_EXT(EXT_depth_bounds_test);
293 EXTRA_EXT(ARB_depth_clamp);
294 EXTRA_EXT(ATI_fragment_shader);
295 EXTRA_EXT(EXT_framebuffer_blit);
296 EXTRA_EXT(ARB_shader_objects);
297 EXTRA_EXT(EXT_provoking_vertex);
298 EXTRA_EXT(ARB_fragment_shader);
299 EXTRA_EXT(ARB_fragment_program);
300 EXTRA_EXT2(ARB_framebuffer_object, EXT_framebuffer_multisample);
301 EXTRA_EXT(EXT_framebuffer_object);
302 EXTRA_EXT(APPLE_vertex_array_object);
303 EXTRA_EXT(ARB_seamless_cube_map);
304 EXTRA_EXT(EXT_compiled_vertex_array);
305 EXTRA_EXT(ARB_sync);
306 EXTRA_EXT(ARB_vertex_shader);
307 EXTRA_EXT(EXT_transform_feedback);
308 EXTRA_EXT(ARB_transform_feedback2);
309 EXTRA_EXT(EXT_pixel_buffer_object);
310 EXTRA_EXT(ARB_vertex_program);
311 EXTRA_EXT2(NV_point_sprite, ARB_point_sprite);
312 EXTRA_EXT2(ARB_fragment_program, NV_fragment_program);
313 EXTRA_EXT2(ARB_vertex_program, NV_vertex_program);
314 EXTRA_EXT2(ARB_vertex_program, ARB_fragment_program);
315 EXTRA_EXT(ARB_vertex_buffer_object);
316 EXTRA_EXT(ARB_geometry_shader4);
317 EXTRA_EXT(ARB_copy_buffer);
318
319 static const int
320 extra_ARB_vertex_program_ARB_fragment_program_NV_vertex_program[] = {
321 EXT(ARB_vertex_program),
322 EXT(ARB_fragment_program),
323 EXT(NV_vertex_program),
324 EXTRA_END
325 };
326
327 static const int
328 extra_NV_vertex_program_ARB_vertex_program_ARB_fragment_program_NV_vertex_program[] = {
329 EXT(NV_vertex_program),
330 EXT(ARB_vertex_program),
331 EXT(ARB_fragment_program),
332 EXT(NV_vertex_program),
333 EXTRA_END
334 };
335
336 static const int
337 extra_NV_primitive_restart[] = {
338 EXT(NV_primitive_restart),
339 EXTRA_END
340 };
341
342 static const int extra_version_30[] = { EXTRA_VERSION_30, EXTRA_END };
343 static const int extra_version_31[] = { EXTRA_VERSION_31, EXTRA_END };
344 static const int extra_version_32[] = { EXTRA_VERSION_32, EXTRA_END };
345
346 static const int
347 extra_ARB_vertex_program_version_es2[] = {
348 EXT(ARB_vertex_program),
349 EXTRA_VERSION_ES2,
350 EXTRA_END
351 };
352
353 #define API_OPENGL_BIT (1 << API_OPENGL)
354 #define API_OPENGLES_BIT (1 << API_OPENGLES)
355 #define API_OPENGLES2_BIT (1 << API_OPENGLES2)
356
357 /* This is the big table describing all the enums we accept in
358 * glGet*v(). The table is partitioned into six parts: enums
359 * understood by all GL APIs (OpenGL, GLES and GLES2), enums shared
360 * between OpenGL and GLES, enums exclusive to GLES, etc for the
361 * remaining combinations. When we add the enums to the hash table in
362 * _mesa_init_get_hash(), we only add the enums for the API we're
363 * instantiating and the different sections are guarded by #if
364 * FEATURE_GL etc to make sure we only compile in the enums we may
365 * need. */
366
367 static const struct value_desc values[] = {
368 /* Enums shared between OpenGL, GLES1 and GLES2 */
369 { 0, 0, TYPE_API_MASK,
370 API_OPENGL_BIT | API_OPENGLES_BIT | API_OPENGLES2_BIT, NO_EXTRA},
371 { GL_ALPHA_BITS, BUFFER_INT(Visual.alphaBits), extra_new_buffers },
372 { GL_BLEND, CONTEXT_BIT0(Color.BlendEnabled), NO_EXTRA },
373 { GL_BLEND_SRC, CONTEXT_ENUM(Color.BlendSrcRGB), NO_EXTRA },
374 { GL_BLUE_BITS, BUFFER_INT(Visual.blueBits), extra_new_buffers },
375 { GL_COLOR_CLEAR_VALUE, CONTEXT_FIELD(Color.ClearColor[0], TYPE_FLOATN_4), NO_EXTRA },
376 { GL_COLOR_WRITEMASK, LOC_CUSTOM, TYPE_INT_4, 0, NO_EXTRA },
377 { GL_CULL_FACE, CONTEXT_BOOL(Polygon.CullFlag), NO_EXTRA },
378 { GL_CULL_FACE_MODE, CONTEXT_ENUM(Polygon.CullFaceMode), NO_EXTRA },
379 { GL_DEPTH_BITS, BUFFER_INT(Visual.depthBits), NO_EXTRA },
380 { GL_DEPTH_CLEAR_VALUE, CONTEXT_FIELD(Depth.Clear, TYPE_DOUBLEN), NO_EXTRA },
381 { GL_DEPTH_FUNC, CONTEXT_ENUM(Depth.Func), NO_EXTRA },
382 { GL_DEPTH_RANGE, CONTEXT_FIELD(Viewport.Near, TYPE_FLOATN_2), NO_EXTRA },
383 { GL_DEPTH_TEST, CONTEXT_BOOL(Depth.Test), NO_EXTRA },
384 { GL_DEPTH_WRITEMASK, CONTEXT_BOOL(Depth.Mask), NO_EXTRA },
385 { GL_DITHER, CONTEXT_BOOL(Color.DitherFlag), NO_EXTRA },
386 { GL_FRONT_FACE, CONTEXT_ENUM(Polygon.FrontFace), NO_EXTRA },
387 { GL_GREEN_BITS, BUFFER_INT(Visual.greenBits), extra_new_buffers },
388 { GL_LINE_WIDTH, CONTEXT_FLOAT(Line.Width), NO_EXTRA },
389 { GL_ALIASED_LINE_WIDTH_RANGE, CONTEXT_FLOAT2(Const.MinLineWidth), NO_EXTRA },
390 { GL_MAX_ELEMENTS_VERTICES, CONTEXT_INT(Const.MaxArrayLockSize), NO_EXTRA },
391 { GL_MAX_ELEMENTS_INDICES, CONTEXT_INT(Const.MaxArrayLockSize), NO_EXTRA },
392 { GL_MAX_TEXTURE_SIZE, LOC_CUSTOM, TYPE_INT,
393 offsetof(struct gl_context, Const.MaxTextureLevels), NO_EXTRA },
394 { GL_MAX_VIEWPORT_DIMS, CONTEXT_INT2(Const.MaxViewportWidth), NO_EXTRA },
395 { GL_PACK_ALIGNMENT, CONTEXT_INT(Pack.Alignment), NO_EXTRA },
396 { GL_ALIASED_POINT_SIZE_RANGE, CONTEXT_FLOAT2(Const.MinPointSize), NO_EXTRA },
397 { GL_POLYGON_OFFSET_FACTOR, CONTEXT_FLOAT(Polygon.OffsetFactor ), NO_EXTRA },
398 { GL_POLYGON_OFFSET_UNITS, CONTEXT_FLOAT(Polygon.OffsetUnits ), NO_EXTRA },
399 { GL_POLYGON_OFFSET_FILL, CONTEXT_BOOL(Polygon.OffsetFill), NO_EXTRA },
400 { GL_RED_BITS, BUFFER_INT(Visual.redBits), extra_new_buffers },
401 { GL_SCISSOR_BOX, LOC_CUSTOM, TYPE_INT_4, 0, NO_EXTRA },
402 { GL_SCISSOR_TEST, CONTEXT_BOOL(Scissor.Enabled), NO_EXTRA },
403 { GL_STENCIL_BITS, BUFFER_INT(Visual.stencilBits), NO_EXTRA },
404 { GL_STENCIL_CLEAR_VALUE, CONTEXT_INT(Stencil.Clear), NO_EXTRA },
405 { GL_STENCIL_FAIL, LOC_CUSTOM, TYPE_ENUM, NO_OFFSET, NO_EXTRA },
406 { GL_STENCIL_FUNC, LOC_CUSTOM, TYPE_ENUM, NO_OFFSET, NO_EXTRA },
407 { GL_STENCIL_PASS_DEPTH_FAIL, LOC_CUSTOM, TYPE_ENUM, NO_OFFSET, NO_EXTRA },
408 { GL_STENCIL_PASS_DEPTH_PASS, LOC_CUSTOM, TYPE_ENUM, NO_OFFSET, NO_EXTRA },
409 { GL_STENCIL_REF, LOC_CUSTOM, TYPE_INT, NO_OFFSET, NO_EXTRA },
410 { GL_STENCIL_TEST, CONTEXT_BOOL(Stencil.Enabled), NO_EXTRA },
411 { GL_STENCIL_VALUE_MASK, LOC_CUSTOM, TYPE_INT, NO_OFFSET, NO_EXTRA },
412 { GL_STENCIL_WRITEMASK, LOC_CUSTOM, TYPE_INT, NO_OFFSET, NO_EXTRA },
413 { GL_SUBPIXEL_BITS, CONTEXT_INT(Const.SubPixelBits), NO_EXTRA },
414 { GL_TEXTURE_BINDING_2D, LOC_CUSTOM, TYPE_INT, TEXTURE_2D_INDEX, NO_EXTRA },
415 { GL_UNPACK_ALIGNMENT, CONTEXT_INT(Unpack.Alignment), NO_EXTRA },
416 { GL_VIEWPORT, LOC_CUSTOM, TYPE_INT_4, 0, NO_EXTRA },
417
418 /* GL_ARB_multitexture */
419 { GL_ACTIVE_TEXTURE_ARB,
420 LOC_CUSTOM, TYPE_INT, 0, extra_ARB_multitexture },
421
422 /* Note that all the OES_* extensions require that the Mesa "struct
423 * gl_extensions" include a member with the name of the extension.
424 * That structure does not yet include OES extensions (and we're
425 * not sure whether it will). If it does, all the OES_*
426 * extensions below should mark the dependency. */
427
428 /* GL_ARB_texture_cube_map */
429 { GL_TEXTURE_BINDING_CUBE_MAP_ARB, LOC_CUSTOM, TYPE_INT,
430 TEXTURE_CUBE_INDEX, extra_ARB_texture_cube_map },
431 { GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB, LOC_CUSTOM, TYPE_INT,
432 offsetof(struct gl_context, Const.MaxCubeTextureLevels),
433 extra_ARB_texture_cube_map }, /* XXX: OES_texture_cube_map */
434
435 /* XXX: OES_blend_subtract */
436 { GL_BLEND_SRC_RGB_EXT, CONTEXT_ENUM(Color.BlendSrcRGB), NO_EXTRA },
437 { GL_BLEND_DST_RGB_EXT, CONTEXT_ENUM(Color.BlendDstRGB), NO_EXTRA },
438 { GL_BLEND_SRC_ALPHA_EXT, CONTEXT_ENUM(Color.BlendSrcA), NO_EXTRA },
439 { GL_BLEND_DST_ALPHA_EXT, CONTEXT_ENUM(Color.BlendDstA), NO_EXTRA },
440
441 /* GL_BLEND_EQUATION_RGB, which is what we're really after, is
442 * defined identically to GL_BLEND_EQUATION. */
443 { GL_BLEND_EQUATION, CONTEXT_ENUM(Color.BlendEquationRGB), NO_EXTRA },
444 { GL_BLEND_EQUATION_ALPHA_EXT, CONTEXT_ENUM(Color.BlendEquationA), NO_EXTRA },
445
446 /* GL_ARB_texture_compression */
447 { GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA },
448 { GL_COMPRESSED_TEXTURE_FORMATS_ARB, LOC_CUSTOM, TYPE_INT_N, 0, NO_EXTRA },
449
450 /* GL_ARB_multisample */
451 { GL_SAMPLE_ALPHA_TO_COVERAGE_ARB,
452 CONTEXT_BOOL(Multisample.SampleAlphaToCoverage), NO_EXTRA },
453 { GL_SAMPLE_COVERAGE_ARB, CONTEXT_BOOL(Multisample.SampleCoverage), NO_EXTRA },
454 { GL_SAMPLE_COVERAGE_VALUE_ARB,
455 CONTEXT_FLOAT(Multisample.SampleCoverageValue), NO_EXTRA },
456 { GL_SAMPLE_COVERAGE_INVERT_ARB,
457 CONTEXT_BOOL(Multisample.SampleCoverageInvert), NO_EXTRA },
458 { GL_SAMPLE_BUFFERS_ARB, BUFFER_INT(Visual.sampleBuffers), NO_EXTRA },
459 { GL_SAMPLES_ARB, BUFFER_INT(Visual.samples), NO_EXTRA },
460
461 /* GL_SGIS_generate_mipmap */
462 { GL_GENERATE_MIPMAP_HINT_SGIS, CONTEXT_ENUM(Hint.GenerateMipmap),
463 extra_SGIS_generate_mipmap },
464
465 /* GL_ARB_vertex_buffer_object */
466 { GL_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA },
467
468 /* GL_ARB_vertex_buffer_object */
469 /* GL_WEIGHT_ARRAY_BUFFER_BINDING_ARB - not supported */
470 { GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT, 0,
471 extra_ARB_vertex_buffer_object },
472
473 /* GL_ARB_copy_buffer */
474 { GL_COPY_READ_BUFFER, LOC_CUSTOM, TYPE_INT, 0, extra_ARB_copy_buffer },
475 { GL_COPY_WRITE_BUFFER, LOC_CUSTOM, TYPE_INT, 0, extra_ARB_copy_buffer },
476
477 /* GL_OES_read_format */
478 { GL_IMPLEMENTATION_COLOR_READ_TYPE_OES, LOC_CUSTOM, TYPE_INT, 0,
479 extra_new_buffers_OES_read_format },
480 { GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES, LOC_CUSTOM, TYPE_INT, 0,
481 extra_new_buffers_OES_read_format },
482
483 /* GL_EXT_framebuffer_object */
484 { GL_FRAMEBUFFER_BINDING_EXT, BUFFER_INT(Name),
485 extra_EXT_framebuffer_object },
486 { GL_RENDERBUFFER_BINDING_EXT, LOC_CUSTOM, TYPE_INT, 0,
487 extra_EXT_framebuffer_object },
488 { GL_MAX_RENDERBUFFER_SIZE_EXT, CONTEXT_INT(Const.MaxRenderbufferSize),
489 extra_EXT_framebuffer_object },
490
491 /* This entry isn't spec'ed for GLES 2, but is needed for Mesa's
492 * GLSL: */
493 { GL_MAX_CLIP_PLANES, CONTEXT_INT(Const.MaxClipPlanes), NO_EXTRA },
494
495 #if FEATURE_GL || FEATURE_ES1
496 /* Enums in OpenGL and GLES1 */
497 { 0, 0, TYPE_API_MASK, API_OPENGL_BIT | API_OPENGLES_BIT, NO_EXTRA },
498 { GL_LIGHT0, CONTEXT_BOOL(Light.Light[0].Enabled), NO_EXTRA },
499 { GL_LIGHT1, CONTEXT_BOOL(Light.Light[1].Enabled), NO_EXTRA },
500 { GL_LIGHT2, CONTEXT_BOOL(Light.Light[2].Enabled), NO_EXTRA },
501 { GL_LIGHT3, CONTEXT_BOOL(Light.Light[3].Enabled), NO_EXTRA },
502 { GL_LIGHT4, CONTEXT_BOOL(Light.Light[4].Enabled), NO_EXTRA },
503 { GL_LIGHT5, CONTEXT_BOOL(Light.Light[5].Enabled), NO_EXTRA },
504 { GL_LIGHT6, CONTEXT_BOOL(Light.Light[6].Enabled), NO_EXTRA },
505 { GL_LIGHT7, CONTEXT_BOOL(Light.Light[7].Enabled), NO_EXTRA },
506 { GL_LIGHTING, CONTEXT_BOOL(Light.Enabled), NO_EXTRA },
507 { GL_LIGHT_MODEL_AMBIENT,
508 CONTEXT_FIELD(Light.Model.Ambient[0], TYPE_FLOATN_4), NO_EXTRA },
509 { GL_LIGHT_MODEL_TWO_SIDE, CONTEXT_BOOL(Light.Model.TwoSide), NO_EXTRA },
510 { GL_ALPHA_TEST, CONTEXT_BOOL(Color.AlphaEnabled), NO_EXTRA },
511 { GL_ALPHA_TEST_FUNC, CONTEXT_ENUM(Color.AlphaFunc), NO_EXTRA },
512 { GL_ALPHA_TEST_REF, CONTEXT_FIELD(Color.AlphaRef, TYPE_FLOATN), NO_EXTRA },
513 { GL_BLEND_DST, CONTEXT_ENUM(Color.BlendDstRGB), NO_EXTRA },
514 { GL_CLIP_PLANE0, CONTEXT_BIT0(Transform.ClipPlanesEnabled), NO_EXTRA },
515 { GL_CLIP_PLANE1, CONTEXT_BIT1(Transform.ClipPlanesEnabled), NO_EXTRA },
516 { GL_CLIP_PLANE2, CONTEXT_BIT2(Transform.ClipPlanesEnabled), NO_EXTRA },
517 { GL_CLIP_PLANE3, CONTEXT_BIT3(Transform.ClipPlanesEnabled), NO_EXTRA },
518 { GL_CLIP_PLANE4, CONTEXT_BIT4(Transform.ClipPlanesEnabled), NO_EXTRA },
519 { GL_CLIP_PLANE5, CONTEXT_BIT5(Transform.ClipPlanesEnabled), NO_EXTRA },
520 { GL_COLOR_MATERIAL, CONTEXT_BOOL(Light.ColorMaterialEnabled), NO_EXTRA },
521 { GL_CURRENT_COLOR,
522 CONTEXT_FIELD(Current.Attrib[VERT_ATTRIB_COLOR0][0], TYPE_FLOATN_4),
523 extra_flush_current },
524 { GL_CURRENT_NORMAL,
525 CONTEXT_FIELD(Current.Attrib[VERT_ATTRIB_NORMAL][0], TYPE_FLOATN_3),
526 extra_flush_current },
527 { GL_CURRENT_TEXTURE_COORDS, LOC_CUSTOM, TYPE_FLOAT_4, 0,
528 extra_flush_current_valid_texture_unit },
529 { GL_DISTANCE_ATTENUATION_EXT, CONTEXT_FLOAT3(Point.Params[0]), NO_EXTRA },
530 { GL_FOG, CONTEXT_BOOL(Fog.Enabled), NO_EXTRA },
531 { GL_FOG_COLOR, CONTEXT_FIELD(Fog.Color[0], TYPE_FLOATN_4), NO_EXTRA },
532 { GL_FOG_DENSITY, CONTEXT_FLOAT(Fog.Density), NO_EXTRA },
533 { GL_FOG_END, CONTEXT_FLOAT(Fog.End), NO_EXTRA },
534 { GL_FOG_HINT, CONTEXT_ENUM(Hint.Fog), NO_EXTRA },
535 { GL_FOG_MODE, CONTEXT_ENUM(Fog.Mode), NO_EXTRA },
536 { GL_FOG_START, CONTEXT_FLOAT(Fog.Start), NO_EXTRA },
537 { GL_LINE_SMOOTH, CONTEXT_BOOL(Line.SmoothFlag), NO_EXTRA },
538 { GL_LINE_SMOOTH_HINT, CONTEXT_ENUM(Hint.LineSmooth), NO_EXTRA },
539 { GL_LINE_WIDTH_RANGE, CONTEXT_FLOAT2(Const.MinLineWidthAA), NO_EXTRA },
540 { GL_COLOR_LOGIC_OP, CONTEXT_BOOL(Color.ColorLogicOpEnabled), NO_EXTRA },
541 { GL_LOGIC_OP_MODE, CONTEXT_ENUM(Color.LogicOp), NO_EXTRA },
542 { GL_MATRIX_MODE, CONTEXT_ENUM(Transform.MatrixMode), NO_EXTRA },
543 { GL_MAX_MODELVIEW_STACK_DEPTH, CONST(MAX_MODELVIEW_STACK_DEPTH), NO_EXTRA },
544 { GL_MAX_PROJECTION_STACK_DEPTH, CONST(MAX_PROJECTION_STACK_DEPTH), NO_EXTRA },
545 { GL_MAX_TEXTURE_STACK_DEPTH, CONST(MAX_TEXTURE_STACK_DEPTH), NO_EXTRA },
546 { GL_MODELVIEW_MATRIX, CONTEXT_MATRIX(ModelviewMatrixStack.Top), NO_EXTRA },
547 { GL_MODELVIEW_STACK_DEPTH, LOC_CUSTOM, TYPE_INT,
548 offsetof(struct gl_context, ModelviewMatrixStack.Depth), NO_EXTRA },
549 { GL_NORMALIZE, CONTEXT_BOOL(Transform.Normalize), NO_EXTRA },
550 { GL_PACK_SKIP_IMAGES_EXT, CONTEXT_INT(Pack.SkipImages), NO_EXTRA },
551 { GL_PERSPECTIVE_CORRECTION_HINT, CONTEXT_ENUM(Hint.PerspectiveCorrection), NO_EXTRA },
552 { GL_POINT_SIZE, CONTEXT_FLOAT(Point.Size), NO_EXTRA },
553 { GL_POINT_SIZE_RANGE, CONTEXT_FLOAT2(Const.MinPointSizeAA), NO_EXTRA },
554 { GL_POINT_SMOOTH, CONTEXT_BOOL(Point.SmoothFlag), NO_EXTRA },
555 { GL_POINT_SMOOTH_HINT, CONTEXT_ENUM(Hint.PointSmooth), NO_EXTRA },
556 { GL_POINT_SIZE_MIN_EXT, CONTEXT_FLOAT(Point.MinSize), NO_EXTRA },
557 { GL_POINT_SIZE_MAX_EXT, CONTEXT_FLOAT(Point.MaxSize), NO_EXTRA },
558 { GL_POINT_FADE_THRESHOLD_SIZE_EXT, CONTEXT_FLOAT(Point.Threshold), NO_EXTRA },
559 { GL_PROJECTION_MATRIX, CONTEXT_MATRIX(ProjectionMatrixStack.Top), NO_EXTRA },
560 { GL_PROJECTION_STACK_DEPTH, LOC_CUSTOM, TYPE_INT,
561 offsetof(struct gl_context, ProjectionMatrixStack.Depth), NO_EXTRA },
562 { GL_RESCALE_NORMAL, CONTEXT_BOOL(Transform.RescaleNormals), NO_EXTRA },
563 { GL_SHADE_MODEL, CONTEXT_ENUM(Light.ShadeModel), NO_EXTRA },
564 { GL_TEXTURE_2D, LOC_CUSTOM, TYPE_BOOLEAN, 0, NO_EXTRA },
565 { GL_TEXTURE_MATRIX, LOC_CUSTOM, TYPE_MATRIX, 0, extra_valid_texture_unit },
566 { GL_TEXTURE_STACK_DEPTH, LOC_CUSTOM, TYPE_INT, 0,
567 extra_valid_texture_unit },
568
569 { GL_VERTEX_ARRAY, ARRAY_BOOL(Vertex.Enabled), NO_EXTRA },
570 { GL_VERTEX_ARRAY_SIZE, ARRAY_INT(Vertex.Size), NO_EXTRA },
571 { GL_VERTEX_ARRAY_TYPE, ARRAY_ENUM(Vertex.Type), NO_EXTRA },
572 { GL_VERTEX_ARRAY_STRIDE, ARRAY_INT(Vertex.Stride), NO_EXTRA },
573 { GL_NORMAL_ARRAY, ARRAY_ENUM(Normal.Enabled), NO_EXTRA },
574 { GL_NORMAL_ARRAY_TYPE, ARRAY_ENUM(Normal.Type), NO_EXTRA },
575 { GL_NORMAL_ARRAY_STRIDE, ARRAY_INT(Normal.Stride), NO_EXTRA },
576 { GL_COLOR_ARRAY, ARRAY_BOOL(Color.Enabled), NO_EXTRA },
577 { GL_COLOR_ARRAY_SIZE, ARRAY_INT(Color.Size), NO_EXTRA },
578 { GL_COLOR_ARRAY_TYPE, ARRAY_ENUM(Color.Type), NO_EXTRA },
579 { GL_COLOR_ARRAY_STRIDE, ARRAY_INT(Color.Stride), NO_EXTRA },
580 { GL_TEXTURE_COORD_ARRAY,
581 LOC_CUSTOM, TYPE_BOOLEAN, offsetof(struct gl_client_array, Enabled), NO_EXTRA },
582 { GL_TEXTURE_COORD_ARRAY_SIZE,
583 LOC_CUSTOM, TYPE_BOOLEAN, offsetof(struct gl_client_array, Size), NO_EXTRA },
584 { GL_TEXTURE_COORD_ARRAY_TYPE,
585 LOC_CUSTOM, TYPE_BOOLEAN, offsetof(struct gl_client_array, Type), NO_EXTRA },
586 { GL_TEXTURE_COORD_ARRAY_STRIDE,
587 LOC_CUSTOM, TYPE_BOOLEAN, offsetof(struct gl_client_array, Stride), NO_EXTRA },
588
589 /* GL_ARB_multitexture */
590 { GL_MAX_TEXTURE_UNITS_ARB,
591 CONTEXT_INT(Const.MaxTextureUnits), extra_ARB_multitexture },
592 { GL_CLIENT_ACTIVE_TEXTURE_ARB,
593 LOC_CUSTOM, TYPE_INT, 0, extra_ARB_multitexture },
594
595 /* GL_ARB_texture_cube_map */
596 { GL_TEXTURE_CUBE_MAP_ARB, LOC_CUSTOM, TYPE_BOOLEAN, 0, NO_EXTRA },
597 /* S, T, and R are always set at the same time */
598 { GL_TEXTURE_GEN_STR_OES, LOC_TEXUNIT, TYPE_BIT_0,
599 offsetof(struct gl_texture_unit, TexGenEnabled), NO_EXTRA },
600
601 /* GL_ARB_multisample */
602 { GL_MULTISAMPLE_ARB, CONTEXT_BOOL(Multisample.Enabled), NO_EXTRA },
603 { GL_SAMPLE_ALPHA_TO_ONE_ARB, CONTEXT_BOOL(Multisample.SampleAlphaToOne), NO_EXTRA },
604
605 /* GL_ARB_vertex_buffer_object */
606 { GL_VERTEX_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
607 offsetof(struct gl_array_object, Vertex.BufferObj), NO_EXTRA },
608 { GL_NORMAL_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
609 offsetof(struct gl_array_object, Normal.BufferObj), NO_EXTRA },
610 { GL_COLOR_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
611 offsetof(struct gl_array_object, Color.BufferObj), NO_EXTRA },
612 { GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT, NO_OFFSET, NO_EXTRA },
613
614 /* GL_OES_point_sprite */
615 { GL_POINT_SPRITE_NV,
616 CONTEXT_BOOL(Point.PointSprite),
617 extra_NV_point_sprite_ARB_point_sprite },
618
619 /* GL_ARB_fragment_shader */
620 { GL_MAX_FRAGMENT_UNIFORM_COMPONENTS_ARB,
621 CONTEXT_INT(Const.FragmentProgram.MaxUniformComponents),
622 extra_ARB_fragment_shader },
623
624 /* GL_ARB_vertex_shader */
625 { GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB,
626 CONTEXT_INT(Const.VertexProgram.MaxUniformComponents),
627 extra_ARB_vertex_shader },
628 { GL_MAX_VARYING_FLOATS_ARB, LOC_CUSTOM, TYPE_INT, 0,
629 extra_ARB_vertex_shader },
630
631 /* GL_EXT_texture_lod_bias */
632 { GL_MAX_TEXTURE_LOD_BIAS_EXT, CONTEXT_FLOAT(Const.MaxTextureLodBias),
633 extra_EXT_texture_lod_bias },
634
635 /* GL_EXT_texture_filter_anisotropic */
636 { GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT,
637 CONTEXT_FLOAT(Const.MaxTextureMaxAnisotropy),
638 extra_EXT_texture_filter_anisotropic },
639 #endif /* FEATURE_GL || FEATURE_ES1 */
640
641 #if FEATURE_ES1
642 { 0, 0, TYPE_API_MASK, API_OPENGLES_BIT },
643 /* XXX: OES_matrix_get */
644 { GL_MODELVIEW_MATRIX_FLOAT_AS_INT_BITS_OES },
645 { GL_PROJECTION_MATRIX_FLOAT_AS_INT_BITS_OES },
646 { GL_TEXTURE_MATRIX_FLOAT_AS_INT_BITS_OES },
647
648 /* OES_point_size_array */
649 { GL_POINT_SIZE_ARRAY_OES, ARRAY_FIELD(PointSize.Enabled, TYPE_BOOLEAN) },
650 { GL_POINT_SIZE_ARRAY_TYPE_OES, ARRAY_FIELD(PointSize.Type, TYPE_ENUM) },
651 { GL_POINT_SIZE_ARRAY_STRIDE_OES, ARRAY_FIELD(PointSize.Stride, TYPE_INT) },
652 { GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES, LOC_CUSTOM, TYPE_INT, 0 },
653 #endif /* FEATURE_ES1 */
654
655 #if FEATURE_GL || FEATURE_ES2
656 { 0, 0, TYPE_API_MASK, API_OPENGL_BIT | API_OPENGLES2_BIT, NO_EXTRA },
657 /* This entry isn't spec'ed for GLES 2, but is needed for Mesa's GLSL: */
658 { GL_MAX_LIGHTS, CONTEXT_INT(Const.MaxLights), NO_EXTRA },
659 { GL_MAX_TEXTURE_COORDS_ARB, /* == GL_MAX_TEXTURE_COORDS_NV */
660 CONTEXT_INT(Const.MaxTextureCoordUnits),
661 extra_ARB_fragment_program_NV_fragment_program },
662
663 /* GL_ARB_draw_buffers */
664 { GL_MAX_DRAW_BUFFERS_ARB, CONTEXT_INT(Const.MaxDrawBuffers), NO_EXTRA },
665
666 { GL_BLEND_COLOR_EXT, CONTEXT_FIELD(Color.BlendColor[0], TYPE_FLOATN_4), NO_EXTRA },
667 /* GL_ARB_fragment_program */
668 { GL_MAX_TEXTURE_IMAGE_UNITS_ARB, /* == GL_MAX_TEXTURE_IMAGE_UNITS_NV */
669 CONTEXT_INT(Const.MaxTextureImageUnits),
670 extra_ARB_fragment_program_NV_fragment_program },
671 { GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB,
672 CONTEXT_INT(Const.MaxVertexTextureImageUnits), extra_ARB_vertex_shader },
673 { GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS_ARB,
674 CONTEXT_INT(Const.MaxCombinedTextureImageUnits),
675 extra_ARB_vertex_shader },
676
677 /* GL_ARB_shader_objects
678 * Actually, this token isn't part of GL_ARB_shader_objects, but is
679 * close enough for now. */
680 { GL_CURRENT_PROGRAM, LOC_CUSTOM, TYPE_INT, 0, extra_ARB_shader_objects },
681
682 /* OpenGL 2.0 */
683 { GL_STENCIL_BACK_FUNC, CONTEXT_ENUM(Stencil.Function[1]), NO_EXTRA },
684 { GL_STENCIL_BACK_VALUE_MASK, CONTEXT_INT(Stencil.ValueMask[1]), NO_EXTRA },
685 { GL_STENCIL_BACK_WRITEMASK, CONTEXT_INT(Stencil.WriteMask[1]), NO_EXTRA },
686 { GL_STENCIL_BACK_REF, CONTEXT_INT(Stencil.Ref[1]), NO_EXTRA },
687 { GL_STENCIL_BACK_FAIL, CONTEXT_ENUM(Stencil.FailFunc[1]), NO_EXTRA },
688 { GL_STENCIL_BACK_PASS_DEPTH_FAIL, CONTEXT_ENUM(Stencil.ZFailFunc[1]), NO_EXTRA },
689 { GL_STENCIL_BACK_PASS_DEPTH_PASS, CONTEXT_ENUM(Stencil.ZPassFunc[1]), NO_EXTRA },
690
691 { GL_MAX_VERTEX_ATTRIBS_ARB,
692 CONTEXT_INT(Const.VertexProgram.MaxAttribs),
693 extra_ARB_vertex_program_version_es2 },
694
695 /* OES_texture_3D */
696 { GL_TEXTURE_BINDING_3D, LOC_CUSTOM, TYPE_INT, TEXTURE_3D_INDEX, NO_EXTRA },
697 { GL_MAX_3D_TEXTURE_SIZE, LOC_CUSTOM, TYPE_INT,
698 offsetof(struct gl_context, Const.Max3DTextureLevels), NO_EXTRA },
699
700 /* GL_ARB_fragment_program/OES_standard_derivatives */
701 { GL_FRAGMENT_SHADER_DERIVATIVE_HINT_ARB,
702 CONTEXT_ENUM(Hint.FragmentShaderDerivative), extra_ARB_fragment_shader },
703 #endif /* FEATURE_GL || FEATURE_ES2 */
704
705 #if FEATURE_ES2
706 /* Enums unique to OpenGL ES 2.0 */
707 { 0, 0, TYPE_API_MASK, API_OPENGLES2_BIT, NO_EXTRA },
708 { GL_MAX_FRAGMENT_UNIFORM_VECTORS, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA },
709 { GL_MAX_VARYING_VECTORS, CONTEXT_INT(Const.MaxVarying), NO_EXTRA },
710 { GL_MAX_VERTEX_UNIFORM_VECTORS, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA },
711 { GL_SHADER_COMPILER, CONST(1), NO_EXTRA },
712 /* OES_get_program_binary */
713 { GL_NUM_SHADER_BINARY_FORMATS, CONST(0), NO_EXTRA },
714 { GL_SHADER_BINARY_FORMATS, CONST(0), NO_EXTRA },
715 #endif /* FEATURE_ES2 */
716
717 #if FEATURE_GL
718 /* Remaining enums are only in OpenGL */
719 { 0, 0, TYPE_API_MASK, API_OPENGL_BIT, NO_EXTRA },
720 { GL_ACCUM_RED_BITS, BUFFER_INT(Visual.accumRedBits), NO_EXTRA },
721 { GL_ACCUM_GREEN_BITS, BUFFER_INT(Visual.accumGreenBits), NO_EXTRA },
722 { GL_ACCUM_BLUE_BITS, BUFFER_INT(Visual.accumBlueBits), NO_EXTRA },
723 { GL_ACCUM_ALPHA_BITS, BUFFER_INT(Visual.accumAlphaBits), NO_EXTRA },
724 { GL_ACCUM_CLEAR_VALUE, CONTEXT_FIELD(Accum.ClearColor[0], TYPE_FLOATN_4), NO_EXTRA },
725 { GL_ALPHA_BIAS, CONTEXT_FLOAT(Pixel.AlphaBias), NO_EXTRA },
726 { GL_ALPHA_SCALE, CONTEXT_FLOAT(Pixel.AlphaScale), NO_EXTRA },
727 { GL_ATTRIB_STACK_DEPTH, CONTEXT_INT(AttribStackDepth), NO_EXTRA },
728 { GL_AUTO_NORMAL, CONTEXT_BOOL(Eval.AutoNormal), NO_EXTRA },
729 { GL_AUX_BUFFERS, BUFFER_INT(Visual.numAuxBuffers), NO_EXTRA },
730 { GL_BLUE_BIAS, CONTEXT_FLOAT(Pixel.BlueBias), NO_EXTRA },
731 { GL_BLUE_SCALE, CONTEXT_FLOAT(Pixel.BlueScale), NO_EXTRA },
732 { GL_CLIENT_ATTRIB_STACK_DEPTH, CONTEXT_INT(ClientAttribStackDepth), NO_EXTRA },
733 { GL_COLOR_MATERIAL_FACE, CONTEXT_ENUM(Light.ColorMaterialFace), NO_EXTRA },
734 { GL_COLOR_MATERIAL_PARAMETER, CONTEXT_ENUM(Light.ColorMaterialMode), NO_EXTRA },
735 { GL_CURRENT_INDEX,
736 CONTEXT_FLOAT(Current.Attrib[VERT_ATTRIB_COLOR_INDEX][0]),
737 extra_flush_current },
738 { GL_CURRENT_RASTER_COLOR,
739 CONTEXT_FIELD(Current.RasterColor[0], TYPE_FLOATN_4), NO_EXTRA },
740 { GL_CURRENT_RASTER_DISTANCE, CONTEXT_FLOAT(Current.RasterDistance), NO_EXTRA },
741 { GL_CURRENT_RASTER_INDEX, CONST(1), NO_EXTRA },
742 { GL_CURRENT_RASTER_POSITION, CONTEXT_FLOAT4(Current.RasterPos[0]), NO_EXTRA },
743 { GL_CURRENT_RASTER_SECONDARY_COLOR,
744 CONTEXT_FIELD(Current.RasterSecondaryColor[0], TYPE_FLOATN_4), NO_EXTRA },
745 { GL_CURRENT_RASTER_TEXTURE_COORDS, LOC_CUSTOM, TYPE_FLOAT_4, 0,
746 extra_valid_texture_unit },
747 { GL_CURRENT_RASTER_POSITION_VALID, CONTEXT_BOOL(Current.RasterPosValid), NO_EXTRA },
748 { GL_DEPTH_BIAS, CONTEXT_FLOAT(Pixel.DepthBias), NO_EXTRA },
749 { GL_DEPTH_SCALE, CONTEXT_FLOAT(Pixel.DepthScale), NO_EXTRA },
750 { GL_DOUBLEBUFFER, BUFFER_INT(Visual.doubleBufferMode), NO_EXTRA },
751 { GL_DRAW_BUFFER, BUFFER_ENUM(ColorDrawBuffer[0]), NO_EXTRA },
752 { GL_EDGE_FLAG, LOC_CUSTOM, TYPE_BOOLEAN, 0, NO_EXTRA },
753 { GL_FEEDBACK_BUFFER_SIZE, CONTEXT_INT(Feedback.BufferSize), NO_EXTRA },
754 { GL_FEEDBACK_BUFFER_TYPE, CONTEXT_ENUM(Feedback.Type), NO_EXTRA },
755 { GL_FOG_INDEX, CONTEXT_FLOAT(Fog.Index), NO_EXTRA },
756 { GL_GREEN_BIAS, CONTEXT_FLOAT(Pixel.GreenBias), NO_EXTRA },
757 { GL_GREEN_SCALE, CONTEXT_FLOAT(Pixel.GreenScale), NO_EXTRA },
758 { GL_INDEX_BITS, BUFFER_INT(Visual.indexBits), extra_new_buffers },
759 { GL_INDEX_CLEAR_VALUE, CONTEXT_INT(Color.ClearIndex), NO_EXTRA },
760 { GL_INDEX_MODE, CONST(0) , NO_EXTRA},
761 { GL_INDEX_OFFSET, CONTEXT_INT(Pixel.IndexOffset), NO_EXTRA },
762 { GL_INDEX_SHIFT, CONTEXT_INT(Pixel.IndexShift), NO_EXTRA },
763 { GL_INDEX_WRITEMASK, CONTEXT_INT(Color.IndexMask), NO_EXTRA },
764 { GL_LIGHT_MODEL_COLOR_CONTROL, CONTEXT_ENUM(Light.Model.ColorControl), NO_EXTRA },
765 { GL_LIGHT_MODEL_LOCAL_VIEWER, CONTEXT_BOOL(Light.Model.LocalViewer), NO_EXTRA },
766 { GL_LINE_STIPPLE, CONTEXT_BOOL(Line.StippleFlag), NO_EXTRA },
767 { GL_LINE_STIPPLE_PATTERN, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA },
768 { GL_LINE_STIPPLE_REPEAT, CONTEXT_INT(Line.StippleFactor), NO_EXTRA },
769 { GL_LINE_WIDTH_GRANULARITY, CONTEXT_FLOAT(Const.LineWidthGranularity), NO_EXTRA },
770 { GL_LIST_BASE, CONTEXT_INT(List.ListBase), NO_EXTRA },
771 { GL_LIST_INDEX, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA },
772 { GL_LIST_MODE, LOC_CUSTOM, TYPE_ENUM, 0, NO_EXTRA },
773 { GL_INDEX_LOGIC_OP, CONTEXT_BOOL(Color.IndexLogicOpEnabled), NO_EXTRA },
774 { GL_MAP1_COLOR_4, CONTEXT_BOOL(Eval.Map1Color4), NO_EXTRA },
775 { GL_MAP1_GRID_DOMAIN, CONTEXT_FLOAT2(Eval.MapGrid1u1), NO_EXTRA },
776 { GL_MAP1_GRID_SEGMENTS, CONTEXT_INT(Eval.MapGrid1un), NO_EXTRA },
777 { GL_MAP1_INDEX, CONTEXT_BOOL(Eval.Map1Index), NO_EXTRA },
778 { GL_MAP1_NORMAL, CONTEXT_BOOL(Eval.Map1Normal), NO_EXTRA },
779 { GL_MAP1_TEXTURE_COORD_1, CONTEXT_BOOL(Eval.Map1TextureCoord1), NO_EXTRA },
780 { GL_MAP1_TEXTURE_COORD_2, CONTEXT_BOOL(Eval.Map1TextureCoord2), NO_EXTRA },
781 { GL_MAP1_TEXTURE_COORD_3, CONTEXT_BOOL(Eval.Map1TextureCoord3), NO_EXTRA },
782 { GL_MAP1_TEXTURE_COORD_4, CONTEXT_BOOL(Eval.Map1TextureCoord4), NO_EXTRA },
783 { GL_MAP1_VERTEX_3, CONTEXT_BOOL(Eval.Map1Vertex3), NO_EXTRA },
784 { GL_MAP1_VERTEX_4, CONTEXT_BOOL(Eval.Map1Vertex4), NO_EXTRA },
785 { GL_MAP2_COLOR_4, CONTEXT_BOOL(Eval.Map2Color4), NO_EXTRA },
786 { GL_MAP2_GRID_DOMAIN, LOC_CUSTOM, TYPE_FLOAT_4, 0, NO_EXTRA },
787 { GL_MAP2_GRID_SEGMENTS, CONTEXT_INT2(Eval.MapGrid2un), NO_EXTRA },
788 { GL_MAP2_INDEX, CONTEXT_BOOL(Eval.Map2Index), NO_EXTRA },
789 { GL_MAP2_NORMAL, CONTEXT_BOOL(Eval.Map2Normal), NO_EXTRA },
790 { GL_MAP2_TEXTURE_COORD_1, CONTEXT_BOOL(Eval.Map2TextureCoord1), NO_EXTRA },
791 { GL_MAP2_TEXTURE_COORD_2, CONTEXT_BOOL(Eval.Map2TextureCoord2), NO_EXTRA },
792 { GL_MAP2_TEXTURE_COORD_3, CONTEXT_BOOL(Eval.Map2TextureCoord3), NO_EXTRA },
793 { GL_MAP2_TEXTURE_COORD_4, CONTEXT_BOOL(Eval.Map2TextureCoord4), NO_EXTRA },
794 { GL_MAP2_VERTEX_3, CONTEXT_BOOL(Eval.Map2Vertex3), NO_EXTRA },
795 { GL_MAP2_VERTEX_4, CONTEXT_BOOL(Eval.Map2Vertex4), NO_EXTRA },
796 { GL_MAP_COLOR, CONTEXT_BOOL(Pixel.MapColorFlag), NO_EXTRA },
797 { GL_MAP_STENCIL, CONTEXT_BOOL(Pixel.MapStencilFlag), NO_EXTRA },
798 { GL_MAX_ATTRIB_STACK_DEPTH, CONST(MAX_ATTRIB_STACK_DEPTH), NO_EXTRA },
799 { GL_MAX_CLIENT_ATTRIB_STACK_DEPTH, CONST(MAX_CLIENT_ATTRIB_STACK_DEPTH), NO_EXTRA },
800
801 { GL_MAX_EVAL_ORDER, CONST(MAX_EVAL_ORDER), NO_EXTRA },
802 { GL_MAX_LIST_NESTING, CONST(MAX_LIST_NESTING), NO_EXTRA },
803 { GL_MAX_NAME_STACK_DEPTH, CONST(MAX_NAME_STACK_DEPTH), NO_EXTRA },
804 { GL_MAX_PIXEL_MAP_TABLE, CONST(MAX_PIXEL_MAP_TABLE), NO_EXTRA },
805 { GL_NAME_STACK_DEPTH, CONTEXT_INT(Select.NameStackDepth), NO_EXTRA },
806 { GL_PACK_LSB_FIRST, CONTEXT_BOOL(Pack.LsbFirst), NO_EXTRA },
807 { GL_PACK_ROW_LENGTH, CONTEXT_INT(Pack.RowLength), NO_EXTRA },
808 { GL_PACK_SKIP_PIXELS, CONTEXT_INT(Pack.SkipPixels), NO_EXTRA },
809 { GL_PACK_SKIP_ROWS, CONTEXT_INT(Pack.SkipRows), NO_EXTRA },
810 { GL_PACK_SWAP_BYTES, CONTEXT_BOOL(Pack.SwapBytes), NO_EXTRA },
811 { GL_PACK_IMAGE_HEIGHT_EXT, CONTEXT_INT(Pack.ImageHeight), NO_EXTRA },
812 { GL_PACK_INVERT_MESA, CONTEXT_BOOL(Pack.Invert), NO_EXTRA },
813 { GL_PIXEL_MAP_A_TO_A_SIZE, CONTEXT_INT(PixelMaps.AtoA.Size), NO_EXTRA },
814 { GL_PIXEL_MAP_B_TO_B_SIZE, CONTEXT_INT(PixelMaps.BtoB.Size), NO_EXTRA },
815 { GL_PIXEL_MAP_G_TO_G_SIZE, CONTEXT_INT(PixelMaps.GtoG.Size), NO_EXTRA },
816 { GL_PIXEL_MAP_I_TO_A_SIZE, CONTEXT_INT(PixelMaps.ItoA.Size), NO_EXTRA },
817 { GL_PIXEL_MAP_I_TO_B_SIZE, CONTEXT_INT(PixelMaps.ItoB.Size), NO_EXTRA },
818 { GL_PIXEL_MAP_I_TO_G_SIZE, CONTEXT_INT(PixelMaps.ItoG.Size), NO_EXTRA },
819 { GL_PIXEL_MAP_I_TO_I_SIZE, CONTEXT_INT(PixelMaps.ItoI.Size), NO_EXTRA },
820 { GL_PIXEL_MAP_I_TO_R_SIZE, CONTEXT_INT(PixelMaps.ItoR.Size), NO_EXTRA },
821 { GL_PIXEL_MAP_R_TO_R_SIZE, CONTEXT_INT(PixelMaps.RtoR.Size), NO_EXTRA },
822 { GL_PIXEL_MAP_S_TO_S_SIZE, CONTEXT_INT(PixelMaps.StoS.Size), NO_EXTRA },
823 { GL_POINT_SIZE_GRANULARITY, CONTEXT_FLOAT(Const.PointSizeGranularity), NO_EXTRA },
824 { GL_POLYGON_MODE, CONTEXT_ENUM2(Polygon.FrontMode), NO_EXTRA },
825 { GL_POLYGON_OFFSET_BIAS_EXT, CONTEXT_FLOAT(Polygon.OffsetUnits), NO_EXTRA },
826 { GL_POLYGON_OFFSET_POINT, CONTEXT_BOOL(Polygon.OffsetPoint), NO_EXTRA },
827 { GL_POLYGON_OFFSET_LINE, CONTEXT_BOOL(Polygon.OffsetLine), NO_EXTRA },
828 { GL_POLYGON_SMOOTH, CONTEXT_BOOL(Polygon.SmoothFlag), NO_EXTRA },
829 { GL_POLYGON_SMOOTH_HINT, CONTEXT_ENUM(Hint.PolygonSmooth), NO_EXTRA },
830 { GL_POLYGON_STIPPLE, CONTEXT_BOOL(Polygon.StippleFlag), NO_EXTRA },
831 { GL_READ_BUFFER, LOC_CUSTOM, TYPE_ENUM, NO_OFFSET, NO_EXTRA },
832 { GL_RED_BIAS, CONTEXT_FLOAT(Pixel.RedBias), NO_EXTRA },
833 { GL_RED_SCALE, CONTEXT_FLOAT(Pixel.RedScale), NO_EXTRA },
834 { GL_RENDER_MODE, CONTEXT_ENUM(RenderMode), NO_EXTRA },
835 { GL_RGBA_MODE, CONST(1), NO_EXTRA },
836 { GL_SELECTION_BUFFER_SIZE, CONTEXT_INT(Select.BufferSize), NO_EXTRA },
837 { GL_SHARED_TEXTURE_PALETTE_EXT, CONTEXT_BOOL(Texture.SharedPalette), NO_EXTRA },
838
839 { GL_STEREO, BUFFER_INT(Visual.stereoMode), NO_EXTRA },
840
841 { GL_TEXTURE_1D, LOC_CUSTOM, TYPE_BOOLEAN, NO_OFFSET, NO_EXTRA },
842 { GL_TEXTURE_3D, LOC_CUSTOM, TYPE_BOOLEAN, NO_OFFSET, NO_EXTRA },
843 { GL_TEXTURE_1D_ARRAY_EXT, LOC_CUSTOM, TYPE_BOOLEAN, NO_OFFSET, NO_EXTRA },
844 { GL_TEXTURE_2D_ARRAY_EXT, LOC_CUSTOM, TYPE_BOOLEAN, NO_OFFSET, NO_EXTRA },
845
846 { GL_TEXTURE_BINDING_1D, LOC_CUSTOM, TYPE_INT, TEXTURE_1D_INDEX, NO_EXTRA },
847 { GL_TEXTURE_BINDING_1D_ARRAY, LOC_CUSTOM, TYPE_INT,
848 TEXTURE_1D_ARRAY_INDEX, extra_MESA_texture_array },
849 { GL_TEXTURE_BINDING_2D_ARRAY, LOC_CUSTOM, TYPE_INT,
850 TEXTURE_1D_ARRAY_INDEX, extra_MESA_texture_array },
851 { GL_MAX_ARRAY_TEXTURE_LAYERS_EXT,
852 CONTEXT_INT(Const.MaxArrayTextureLayers), extra_MESA_texture_array },
853
854 { GL_TEXTURE_GEN_S, LOC_TEXUNIT, TYPE_BIT_0,
855 offsetof(struct gl_texture_unit, TexGenEnabled), NO_EXTRA },
856 { GL_TEXTURE_GEN_T, LOC_TEXUNIT, TYPE_BIT_1,
857 offsetof(struct gl_texture_unit, TexGenEnabled), NO_EXTRA },
858 { GL_TEXTURE_GEN_R, LOC_TEXUNIT, TYPE_BIT_2,
859 offsetof(struct gl_texture_unit, TexGenEnabled), NO_EXTRA },
860 { GL_TEXTURE_GEN_Q, LOC_TEXUNIT, TYPE_BIT_3,
861 offsetof(struct gl_texture_unit, TexGenEnabled), NO_EXTRA },
862 { GL_UNPACK_LSB_FIRST, CONTEXT_BOOL(Unpack.LsbFirst), NO_EXTRA },
863 { GL_UNPACK_ROW_LENGTH, CONTEXT_INT(Unpack.RowLength), NO_EXTRA },
864 { GL_UNPACK_SKIP_PIXELS, CONTEXT_INT(Unpack.SkipPixels), NO_EXTRA },
865 { GL_UNPACK_SKIP_ROWS, CONTEXT_INT(Unpack.SkipRows), NO_EXTRA },
866 { GL_UNPACK_SWAP_BYTES, CONTEXT_BOOL(Unpack.SwapBytes), NO_EXTRA },
867 { GL_UNPACK_SKIP_IMAGES_EXT, CONTEXT_INT(Unpack.SkipImages), NO_EXTRA },
868 { GL_UNPACK_IMAGE_HEIGHT_EXT, CONTEXT_INT(Unpack.ImageHeight), NO_EXTRA },
869 { GL_UNPACK_CLIENT_STORAGE_APPLE, CONTEXT_BOOL(Unpack.ClientStorage), NO_EXTRA },
870 { GL_ZOOM_X, CONTEXT_FLOAT(Pixel.ZoomX), NO_EXTRA },
871 { GL_ZOOM_Y, CONTEXT_FLOAT(Pixel.ZoomY), NO_EXTRA },
872
873 /* Vertex arrays */
874 { GL_VERTEX_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA },
875 { GL_NORMAL_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA },
876 { GL_COLOR_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA },
877 { GL_INDEX_ARRAY, ARRAY_BOOL(Index.Enabled), NO_EXTRA },
878 { GL_INDEX_ARRAY_TYPE, ARRAY_ENUM(Index.Type), NO_EXTRA },
879 { GL_INDEX_ARRAY_STRIDE, ARRAY_INT(Index.Stride), NO_EXTRA },
880 { GL_INDEX_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA },
881 { GL_TEXTURE_COORD_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA },
882 { GL_EDGE_FLAG_ARRAY, ARRAY_BOOL(EdgeFlag.Enabled), NO_EXTRA },
883 { GL_EDGE_FLAG_ARRAY_STRIDE, ARRAY_INT(EdgeFlag.Stride), NO_EXTRA },
884 { GL_EDGE_FLAG_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA },
885
886 /* GL_ARB_texture_compression */
887 { GL_TEXTURE_COMPRESSION_HINT_ARB, CONTEXT_INT(Hint.TextureCompression), NO_EXTRA },
888
889 /* GL_EXT_compiled_vertex_array */
890 { GL_ARRAY_ELEMENT_LOCK_FIRST_EXT, CONTEXT_INT(Array.LockFirst),
891 extra_EXT_compiled_vertex_array },
892 { GL_ARRAY_ELEMENT_LOCK_COUNT_EXT, CONTEXT_INT(Array.LockCount),
893 extra_EXT_compiled_vertex_array },
894
895 /* GL_ARB_transpose_matrix */
896 { GL_TRANSPOSE_MODELVIEW_MATRIX_ARB,
897 CONTEXT_MATRIX_T(ModelviewMatrixStack), NO_EXTRA },
898 { GL_TRANSPOSE_PROJECTION_MATRIX_ARB,
899 CONTEXT_MATRIX_T(ProjectionMatrixStack.Top), NO_EXTRA },
900 { GL_TRANSPOSE_TEXTURE_MATRIX_ARB, CONTEXT_MATRIX_T(TextureMatrixStack), NO_EXTRA },
901
902 /* GL_SGI_texture_color_table */
903 { GL_TEXTURE_COLOR_TABLE_SGI, LOC_TEXUNIT, TYPE_BOOLEAN,
904 offsetof(struct gl_texture_unit, ColorTableEnabled),
905 extra_SGI_texture_color_table },
906
907 /* GL_EXT_secondary_color */
908 { GL_COLOR_SUM_EXT, CONTEXT_BOOL(Fog.ColorSumEnabled),
909 extra_EXT_secondary_color_ARB_vertex_program },
910 { GL_CURRENT_SECONDARY_COLOR_EXT,
911 CONTEXT_FIELD(Current.Attrib[VERT_ATTRIB_COLOR1][0], TYPE_FLOATN_4),
912 extra_EXT_secondary_color_flush_current },
913 { GL_SECONDARY_COLOR_ARRAY_EXT, ARRAY_BOOL(SecondaryColor.Enabled),
914 extra_EXT_secondary_color },
915 { GL_SECONDARY_COLOR_ARRAY_TYPE_EXT, ARRAY_ENUM(SecondaryColor.Type),
916 extra_EXT_secondary_color },
917 { GL_SECONDARY_COLOR_ARRAY_STRIDE_EXT, ARRAY_INT(SecondaryColor.Stride),
918 extra_EXT_secondary_color },
919 { GL_SECONDARY_COLOR_ARRAY_SIZE_EXT, ARRAY_INT(SecondaryColor.Size),
920 extra_EXT_secondary_color },
921
922 /* GL_EXT_fog_coord */
923 { GL_CURRENT_FOG_COORDINATE_EXT,
924 CONTEXT_FLOAT(Current.Attrib[VERT_ATTRIB_FOG][0]),
925 extra_EXT_fog_coord_flush_current },
926 { GL_FOG_COORDINATE_ARRAY_EXT, ARRAY_BOOL(FogCoord.Enabled),
927 extra_EXT_fog_coord },
928 { GL_FOG_COORDINATE_ARRAY_TYPE_EXT, ARRAY_ENUM(FogCoord.Type),
929 extra_EXT_fog_coord },
930 { GL_FOG_COORDINATE_ARRAY_STRIDE_EXT, ARRAY_INT(FogCoord.Stride),
931 extra_EXT_fog_coord },
932 { GL_FOG_COORDINATE_SOURCE_EXT, CONTEXT_ENUM(Fog.FogCoordinateSource),
933 extra_EXT_fog_coord },
934
935 /* GL_IBM_rasterpos_clip */
936 { GL_RASTER_POSITION_UNCLIPPED_IBM,
937 CONTEXT_BOOL(Transform.RasterPositionUnclipped),
938 extra_IBM_rasterpos_clip },
939
940 /* GL_NV_point_sprite */
941 { GL_POINT_SPRITE_R_MODE_NV,
942 CONTEXT_ENUM(Point.SpriteRMode), extra_NV_point_sprite },
943 { GL_POINT_SPRITE_COORD_ORIGIN, CONTEXT_ENUM(Point.SpriteOrigin),
944 extra_NV_point_sprite_ARB_point_sprite },
945
946 /* GL_NV_vertex_program */
947 { GL_VERTEX_PROGRAM_BINDING_NV, LOC_CUSTOM, TYPE_INT, 0,
948 extra_NV_vertex_program },
949 { GL_VERTEX_ATTRIB_ARRAY0_NV, ARRAY_BOOL(VertexAttrib[0].Enabled),
950 extra_NV_vertex_program },
951 { GL_VERTEX_ATTRIB_ARRAY1_NV, ARRAY_BOOL(VertexAttrib[1].Enabled),
952 extra_NV_vertex_program },
953 { GL_VERTEX_ATTRIB_ARRAY2_NV, ARRAY_BOOL(VertexAttrib[2].Enabled),
954 extra_NV_vertex_program },
955 { GL_VERTEX_ATTRIB_ARRAY3_NV, ARRAY_BOOL(VertexAttrib[3].Enabled),
956 extra_NV_vertex_program },
957 { GL_VERTEX_ATTRIB_ARRAY4_NV, ARRAY_BOOL(VertexAttrib[4].Enabled),
958 extra_NV_vertex_program },
959 { GL_VERTEX_ATTRIB_ARRAY5_NV, ARRAY_BOOL(VertexAttrib[5].Enabled),
960 extra_NV_vertex_program },
961 { GL_VERTEX_ATTRIB_ARRAY6_NV, ARRAY_BOOL(VertexAttrib[6].Enabled),
962 extra_NV_vertex_program },
963 { GL_VERTEX_ATTRIB_ARRAY7_NV, ARRAY_BOOL(VertexAttrib[7].Enabled),
964 extra_NV_vertex_program },
965 { GL_VERTEX_ATTRIB_ARRAY8_NV, ARRAY_BOOL(VertexAttrib[8].Enabled),
966 extra_NV_vertex_program },
967 { GL_VERTEX_ATTRIB_ARRAY9_NV, ARRAY_BOOL(VertexAttrib[9].Enabled),
968 extra_NV_vertex_program },
969 { GL_VERTEX_ATTRIB_ARRAY10_NV, ARRAY_BOOL(VertexAttrib[10].Enabled),
970 extra_NV_vertex_program },
971 { GL_VERTEX_ATTRIB_ARRAY11_NV, ARRAY_BOOL(VertexAttrib[11].Enabled),
972 extra_NV_vertex_program },
973 { GL_VERTEX_ATTRIB_ARRAY12_NV, ARRAY_BOOL(VertexAttrib[12].Enabled),
974 extra_NV_vertex_program },
975 { GL_VERTEX_ATTRIB_ARRAY13_NV, ARRAY_BOOL(VertexAttrib[13].Enabled),
976 extra_NV_vertex_program },
977 { GL_VERTEX_ATTRIB_ARRAY14_NV, ARRAY_BOOL(VertexAttrib[14].Enabled),
978 extra_NV_vertex_program },
979 { GL_VERTEX_ATTRIB_ARRAY15_NV, ARRAY_BOOL(VertexAttrib[15].Enabled),
980 extra_NV_vertex_program },
981 { GL_MAP1_VERTEX_ATTRIB0_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[0]),
982 extra_NV_vertex_program },
983 { GL_MAP1_VERTEX_ATTRIB1_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[1]),
984 extra_NV_vertex_program },
985 { GL_MAP1_VERTEX_ATTRIB2_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[2]),
986 extra_NV_vertex_program },
987 { GL_MAP1_VERTEX_ATTRIB3_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[3]),
988 extra_NV_vertex_program },
989 { GL_MAP1_VERTEX_ATTRIB4_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[4]),
990 extra_NV_vertex_program },
991 { GL_MAP1_VERTEX_ATTRIB5_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[5]),
992 extra_NV_vertex_program },
993 { GL_MAP1_VERTEX_ATTRIB6_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[6]),
994 extra_NV_vertex_program },
995 { GL_MAP1_VERTEX_ATTRIB7_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[7]),
996 extra_NV_vertex_program },
997 { GL_MAP1_VERTEX_ATTRIB8_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[8]),
998 extra_NV_vertex_program },
999 { GL_MAP1_VERTEX_ATTRIB9_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[9]),
1000 extra_NV_vertex_program },
1001 { GL_MAP1_VERTEX_ATTRIB10_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[10]),
1002 extra_NV_vertex_program },
1003 { GL_MAP1_VERTEX_ATTRIB11_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[11]),
1004 extra_NV_vertex_program },
1005 { GL_MAP1_VERTEX_ATTRIB12_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[12]),
1006 extra_NV_vertex_program },
1007 { GL_MAP1_VERTEX_ATTRIB13_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[13]),
1008 extra_NV_vertex_program },
1009 { GL_MAP1_VERTEX_ATTRIB14_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[14]),
1010 extra_NV_vertex_program },
1011 { GL_MAP1_VERTEX_ATTRIB15_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[15]),
1012 extra_NV_vertex_program },
1013
1014 /* GL_NV_fragment_program */
1015 { GL_FRAGMENT_PROGRAM_NV, CONTEXT_BOOL(FragmentProgram.Enabled),
1016 extra_NV_fragment_program },
1017 { GL_FRAGMENT_PROGRAM_BINDING_NV, LOC_CUSTOM, TYPE_INT, 0,
1018 extra_NV_fragment_program },
1019 { GL_MAX_FRAGMENT_PROGRAM_LOCAL_PARAMETERS_NV,
1020 CONST(MAX_NV_FRAGMENT_PROGRAM_PARAMS),
1021 extra_NV_fragment_program },
1022
1023 /* GL_NV_texture_rectangle */
1024 { GL_TEXTURE_RECTANGLE_NV,
1025 LOC_CUSTOM, TYPE_BOOLEAN, 0, extra_NV_texture_rectangle },
1026 { GL_TEXTURE_BINDING_RECTANGLE_NV,
1027 LOC_CUSTOM, TYPE_INT, TEXTURE_RECT_INDEX, extra_NV_texture_rectangle },
1028 { GL_MAX_RECTANGLE_TEXTURE_SIZE_NV,
1029 CONTEXT_INT(Const.MaxTextureRectSize), extra_NV_texture_rectangle },
1030
1031 /* GL_EXT_stencil_two_side */
1032 { GL_STENCIL_TEST_TWO_SIDE_EXT, CONTEXT_BOOL(Stencil.TestTwoSide),
1033 extra_EXT_stencil_two_side },
1034 { GL_ACTIVE_STENCIL_FACE_EXT, LOC_CUSTOM, TYPE_ENUM, NO_OFFSET, NO_EXTRA },
1035
1036 /* GL_NV_light_max_exponent */
1037 { GL_MAX_SHININESS_NV, CONTEXT_FLOAT(Const.MaxShininess),
1038 extra_NV_light_max_exponent },
1039 { GL_MAX_SPOT_EXPONENT_NV, CONTEXT_FLOAT(Const.MaxSpotExponent),
1040 extra_NV_light_max_exponent },
1041
1042 /* GL_NV_primitive_restart */
1043 { GL_PRIMITIVE_RESTART_NV, CONTEXT_BOOL(Array.PrimitiveRestart),
1044 extra_NV_primitive_restart },
1045 { GL_PRIMITIVE_RESTART_INDEX_NV, CONTEXT_INT(Array.RestartIndex),
1046 extra_NV_primitive_restart },
1047
1048 /* GL_ARB_vertex_buffer_object */
1049 { GL_INDEX_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
1050 offsetof(struct gl_array_object, Index.BufferObj), NO_EXTRA },
1051 { GL_EDGE_FLAG_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
1052 offsetof(struct gl_array_object, EdgeFlag.BufferObj), NO_EXTRA },
1053 { GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
1054 offsetof(struct gl_array_object, SecondaryColor.BufferObj), NO_EXTRA },
1055 { GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT,
1056 offsetof(struct gl_array_object, FogCoord.BufferObj), NO_EXTRA },
1057
1058 /* GL_EXT_pixel_buffer_object */
1059 { GL_PIXEL_PACK_BUFFER_BINDING_EXT, LOC_CUSTOM, TYPE_INT, 0,
1060 extra_EXT_pixel_buffer_object },
1061 { GL_PIXEL_UNPACK_BUFFER_BINDING_EXT, LOC_CUSTOM, TYPE_INT, 0,
1062 extra_EXT_pixel_buffer_object },
1063
1064 /* GL_ARB_vertex_program */
1065 { GL_VERTEX_PROGRAM_ARB, /* == GL_VERTEX_PROGRAM_NV */
1066 CONTEXT_BOOL(VertexProgram.Enabled),
1067 extra_ARB_vertex_program_NV_vertex_program },
1068 { GL_VERTEX_PROGRAM_POINT_SIZE_ARB, /* == GL_VERTEX_PROGRAM_POINT_SIZE_NV*/
1069 CONTEXT_BOOL(VertexProgram.PointSizeEnabled),
1070 extra_ARB_vertex_program_NV_vertex_program },
1071 { GL_VERTEX_PROGRAM_TWO_SIDE_ARB, /* == GL_VERTEX_PROGRAM_TWO_SIDE_NV */
1072 CONTEXT_BOOL(VertexProgram.TwoSideEnabled),
1073 extra_ARB_vertex_program_NV_vertex_program },
1074 { GL_MAX_PROGRAM_MATRIX_STACK_DEPTH_ARB, /* == GL_MAX_TRACK_MATRIX_STACK_DEPTH_NV */
1075 CONTEXT_INT(Const.MaxProgramMatrixStackDepth),
1076 extra_ARB_vertex_program_ARB_fragment_program_NV_vertex_program },
1077 { GL_MAX_PROGRAM_MATRICES_ARB, /* == GL_MAX_TRACK_MATRICES_NV */
1078 CONTEXT_INT(Const.MaxProgramMatrices),
1079 extra_ARB_vertex_program_ARB_fragment_program_NV_vertex_program },
1080 { GL_CURRENT_MATRIX_STACK_DEPTH_ARB, /* == GL_CURRENT_MATRIX_STACK_DEPTH_NV */
1081 LOC_CUSTOM, TYPE_INT, 0,
1082 extra_ARB_vertex_program_ARB_fragment_program_NV_vertex_program },
1083
1084 { GL_CURRENT_MATRIX_ARB, /* == GL_CURRENT_MATRIX_NV */
1085 LOC_CUSTOM, TYPE_MATRIX, 0,
1086 extra_ARB_vertex_program_ARB_fragment_program_NV_vertex_program },
1087 { GL_TRANSPOSE_CURRENT_MATRIX_ARB, /* == GL_CURRENT_MATRIX_NV */
1088 LOC_CUSTOM, TYPE_MATRIX, 0,
1089 extra_ARB_vertex_program_ARB_fragment_program },
1090
1091 { GL_PROGRAM_ERROR_POSITION_ARB, /* == GL_PROGRAM_ERROR_POSITION_NV */
1092 CONTEXT_INT(Program.ErrorPos),
1093 extra_NV_vertex_program_ARB_vertex_program_ARB_fragment_program_NV_vertex_program },
1094
1095 /* GL_ARB_fragment_program */
1096 { GL_FRAGMENT_PROGRAM_ARB, CONTEXT_BOOL(FragmentProgram.Enabled),
1097 extra_ARB_fragment_program },
1098
1099 /* GL_EXT_depth_bounds_test */
1100 { GL_DEPTH_BOUNDS_TEST_EXT, CONTEXT_BOOL(Depth.BoundsTest),
1101 extra_EXT_depth_bounds_test },
1102 { GL_DEPTH_BOUNDS_EXT, CONTEXT_FLOAT2(Depth.BoundsMin),
1103 extra_EXT_depth_bounds_test },
1104
1105 /* GL_ARB_depth_clamp*/
1106 { GL_DEPTH_CLAMP, CONTEXT_BOOL(Transform.DepthClamp),
1107 extra_ARB_depth_clamp },
1108
1109 /* GL_ARB_draw_buffers */
1110 { GL_DRAW_BUFFER0_ARB, BUFFER_ENUM(ColorDrawBuffer[0]), NO_EXTRA },
1111 { GL_DRAW_BUFFER1_ARB, BUFFER_ENUM(ColorDrawBuffer[1]),
1112 extra_valid_draw_buffer },
1113 { GL_DRAW_BUFFER2_ARB, BUFFER_ENUM(ColorDrawBuffer[2]),
1114 extra_valid_draw_buffer },
1115 { GL_DRAW_BUFFER3_ARB, BUFFER_ENUM(ColorDrawBuffer[3]),
1116 extra_valid_draw_buffer },
1117 { GL_DRAW_BUFFER4_ARB, BUFFER_ENUM(ColorDrawBuffer[4]),
1118 extra_valid_draw_buffer },
1119 { GL_DRAW_BUFFER5_ARB, BUFFER_ENUM(ColorDrawBuffer[5]),
1120 extra_valid_draw_buffer },
1121 { GL_DRAW_BUFFER6_ARB, BUFFER_ENUM(ColorDrawBuffer[6]),
1122 extra_valid_draw_buffer },
1123 { GL_DRAW_BUFFER7_ARB, BUFFER_ENUM(ColorDrawBuffer[7]),
1124 extra_valid_draw_buffer },
1125
1126 /* GL_ATI_fragment_shader */
1127 { GL_NUM_FRAGMENT_REGISTERS_ATI, CONST(6), extra_ATI_fragment_shader },
1128 { GL_NUM_FRAGMENT_CONSTANTS_ATI, CONST(8), extra_ATI_fragment_shader },
1129 { GL_NUM_PASSES_ATI, CONST(2), extra_ATI_fragment_shader },
1130 { GL_NUM_INSTRUCTIONS_PER_PASS_ATI, CONST(8), extra_ATI_fragment_shader },
1131 { GL_NUM_INSTRUCTIONS_TOTAL_ATI, CONST(16), extra_ATI_fragment_shader },
1132 { GL_COLOR_ALPHA_PAIRING_ATI, CONST(GL_TRUE), extra_ATI_fragment_shader },
1133 { GL_NUM_LOOPBACK_COMPONENTS_ATI, CONST(3), extra_ATI_fragment_shader },
1134 { GL_NUM_INPUT_INTERPOLATOR_COMPONENTS_ATI,
1135 CONST(3), extra_ATI_fragment_shader },
1136
1137 /* GL_EXT_framebuffer_object */
1138 { GL_MAX_COLOR_ATTACHMENTS_EXT, CONTEXT_INT(Const.MaxColorAttachments),
1139 extra_EXT_framebuffer_object },
1140
1141 /* GL_EXT_framebuffer_blit
1142 * NOTE: GL_DRAW_FRAMEBUFFER_BINDING_EXT == GL_FRAMEBUFFER_BINDING_EXT */
1143 { GL_READ_FRAMEBUFFER_BINDING_EXT, LOC_CUSTOM, TYPE_INT, 0,
1144 extra_EXT_framebuffer_blit },
1145
1146 /* GL_EXT_provoking_vertex */
1147 { GL_PROVOKING_VERTEX_EXT,
1148 CONTEXT_BOOL(Light.ProvokingVertex), extra_EXT_provoking_vertex },
1149 { GL_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION_EXT,
1150 CONTEXT_BOOL(Const.QuadsFollowProvokingVertexConvention),
1151 extra_EXT_provoking_vertex },
1152
1153 /* GL_ARB_framebuffer_object */
1154 { GL_MAX_SAMPLES, CONTEXT_INT(Const.MaxSamples),
1155 extra_ARB_framebuffer_object_EXT_framebuffer_multisample },
1156
1157 /* GL_APPLE_vertex_array_object */
1158 { GL_VERTEX_ARRAY_BINDING_APPLE, ARRAY_INT(Name),
1159 extra_APPLE_vertex_array_object },
1160
1161 /* GL_ARB_seamless_cube_map */
1162 { GL_TEXTURE_CUBE_MAP_SEAMLESS,
1163 CONTEXT_BOOL(Texture.CubeMapSeamless), extra_ARB_seamless_cube_map },
1164
1165 /* GL_ARB_sync */
1166 { GL_MAX_SERVER_WAIT_TIMEOUT,
1167 CONTEXT_INT64(Const.MaxServerWaitTimeout), extra_ARB_sync },
1168
1169 /* GL_EXT_texture_integer */
1170 { GL_RGBA_INTEGER_MODE_EXT, BUFFER_BOOL(_IntegerColor),
1171 extra_EXT_texture_integer },
1172
1173 /* GL_EXT_transform_feedback */
1174 { GL_TRANSFORM_FEEDBACK_BUFFER_BINDING, LOC_CUSTOM, TYPE_INT, 0,
1175 extra_EXT_transform_feedback },
1176 { GL_RASTERIZER_DISCARD, CONTEXT_BOOL(TransformFeedback.RasterDiscard),
1177 extra_EXT_transform_feedback },
1178 { GL_MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS,
1179 CONTEXT_INT(Const.MaxTransformFeedbackInterleavedComponents),
1180 extra_EXT_transform_feedback },
1181 { GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS,
1182 CONTEXT_INT(Const.MaxTransformFeedbackSeparateAttribs),
1183 extra_EXT_transform_feedback },
1184 { GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS,
1185 CONTEXT_INT(Const.MaxTransformFeedbackSeparateComponents),
1186 extra_EXT_transform_feedback },
1187
1188 /* GL_ARB_transform_feedback2 */
1189 { GL_TRANSFORM_FEEDBACK_BUFFER_PAUSED, LOC_CUSTOM, TYPE_BOOLEAN, 0,
1190 extra_ARB_transform_feedback2 },
1191 { GL_TRANSFORM_FEEDBACK_BUFFER_ACTIVE, LOC_CUSTOM, TYPE_BOOLEAN, 0,
1192 extra_ARB_transform_feedback2 },
1193 { GL_TRANSFORM_FEEDBACK_BINDING, LOC_CUSTOM, TYPE_INT, 0,
1194 extra_ARB_transform_feedback2 },
1195
1196 /* GL_ARB_geometry_shader4 */
1197 { GL_MAX_GEOMETRY_TEXTURE_IMAGE_UNITS_ARB,
1198 CONTEXT_INT(Const.GeometryProgram.MaxGeometryTextureImageUnits),
1199 extra_ARB_geometry_shader4 },
1200 { GL_MAX_GEOMETRY_OUTPUT_VERTICES_ARB,
1201 CONTEXT_INT(Const.GeometryProgram.MaxGeometryOutputVertices),
1202 extra_ARB_geometry_shader4 },
1203 { GL_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS_ARB,
1204 CONTEXT_INT(Const.GeometryProgram.MaxGeometryTotalOutputComponents),
1205 extra_ARB_geometry_shader4 },
1206 { GL_MAX_GEOMETRY_UNIFORM_COMPONENTS_ARB,
1207 CONTEXT_INT(Const.GeometryProgram.MaxGeometryUniformComponents),
1208 extra_ARB_geometry_shader4 },
1209 { GL_MAX_GEOMETRY_VARYING_COMPONENTS_ARB,
1210 CONTEXT_INT(Const.GeometryProgram.MaxGeometryVaryingComponents),
1211 extra_ARB_geometry_shader4 },
1212 { GL_MAX_VERTEX_VARYING_COMPONENTS_ARB,
1213 CONTEXT_INT(Const.GeometryProgram.MaxVertexVaryingComponents),
1214 extra_ARB_geometry_shader4 },
1215
1216 /* GL_EXT_gpu_shader4 / GL 3.0 */
1217 { GL_MIN_PROGRAM_TEXEL_OFFSET,
1218 CONTEXT_INT(Const.MinProgramTexelOffset),
1219 extra_EXT_gpu_shader4 },
1220 { GL_MAX_PROGRAM_TEXEL_OFFSET,
1221 CONTEXT_INT(Const.MaxProgramTexelOffset),
1222 extra_EXT_gpu_shader4 },
1223
1224 /* GL 3.0 */
1225 { GL_NUM_EXTENSIONS, LOC_CUSTOM, TYPE_INT, 0, extra_version_30 },
1226 { GL_MAJOR_VERSION, CONTEXT_INT(VersionMajor), extra_version_30 },
1227 { GL_MINOR_VERSION, CONTEXT_INT(VersionMinor), extra_version_30 },
1228 { GL_CONTEXT_FLAGS, CONTEXT_INT(Const.ContextFlags), extra_version_30 },
1229
1230 /* GL 3.1 */
1231 /* NOTE: different enum values for GL_PRIMITIVE_RESTART_NV
1232 * vs. GL_PRIMITIVE_RESTART!
1233 */
1234 { GL_PRIMITIVE_RESTART, CONTEXT_BOOL(Array.PrimitiveRestart),
1235 extra_version_31 },
1236 { GL_PRIMITIVE_RESTART_INDEX, CONTEXT_INT(Array.RestartIndex),
1237 extra_version_31 },
1238
1239
1240 /* GL 3.2 */
1241 { GL_CONTEXT_PROFILE_MASK, CONTEXT_INT(Const.ProfileMask),
1242 extra_version_32 },
1243 #endif /* FEATURE_GL */
1244 };
1245
1246 /* All we need now is a way to look up the value struct from the enum.
1247 * The code generated by gcc for the old generated big switch
1248 * statement is a big, balanced, open coded if/else tree, essentially
1249 * an unrolled binary search. It would be natural to sort the new
1250 * enum table and use bsearch(), but we will use a read-only hash
1251 * table instead. bsearch() has a nice guaranteed worst case
1252 * performance, but we're also guaranteed to hit that worst case
1253 * (log2(n) iterations) for about half the enums. Instead, using an
1254 * open addressing hash table, we can find the enum on the first try
1255 * for 80% of the enums, 1 collision for 10% and never more than 5
1256 * collisions for any enum (typical numbers). And the code is very
1257 * simple, even though it feels a little magic. */
1258
1259 static unsigned short table[1024];
1260 static const int prime_factor = 89, prime_step = 281;
1261
1262 #ifdef GET_DEBUG
1263 static void
1264 print_table_stats(void)
1265 {
1266 int i, j, collisions[11], count, hash, mask;
1267 const struct value_desc *d;
1268
1269 count = 0;
1270 mask = Elements(table) - 1;
1271 memset(collisions, 0, sizeof collisions);
1272
1273 for (i = 0; i < Elements(table); i++) {
1274 if (!table[i])
1275 continue;
1276 count++;
1277 d = &values[table[i]];
1278 hash = (d->pname * prime_factor);
1279 j = 0;
1280 while (1) {
1281 if (values[table[hash & mask]].pname == d->pname)
1282 break;
1283 hash += prime_step;
1284 j++;
1285 }
1286
1287 if (j < 10)
1288 collisions[j]++;
1289 else
1290 collisions[10]++;
1291 }
1292
1293 printf("number of enums: %d (total %d)\n", count, Elements(values));
1294 for (i = 0; i < Elements(collisions) - 1; i++)
1295 if (collisions[i] > 0)
1296 printf(" %d enums with %d %scollisions\n",
1297 collisions[i], i, i == 10 ? "or more " : "");
1298 }
1299 #endif
1300
1301 /**
1302 * Initialize the enum hash for a given API
1303 *
1304 * This is called from one_time_init() to insert the enum values that
1305 * are valid for the API in question into the enum hash table.
1306 *
1307 * \param the current context, for determining the API in question
1308 */
1309 void _mesa_init_get_hash(struct gl_context *ctx)
1310 {
1311 int i, hash, index, mask;
1312 int api_mask = 0, api_bit;
1313
1314 mask = Elements(table) - 1;
1315 api_bit = 1 << ctx->API;
1316
1317 for (i = 0; i < Elements(values); i++) {
1318 if (values[i].type == TYPE_API_MASK) {
1319 api_mask = values[i].offset;
1320 continue;
1321 }
1322 if (!(api_mask & api_bit))
1323 continue;
1324
1325 hash = (values[i].pname * prime_factor) & mask;
1326 while (1) {
1327 index = hash & mask;
1328 if (!table[index]) {
1329 table[index] = i;
1330 break;
1331 }
1332 hash += prime_step;
1333 }
1334 }
1335
1336 #ifdef GET_DEBUG
1337 print_table_stats();
1338 #endif
1339 }
1340
1341 /**
1342 * Handle irregular enums
1343 *
1344 * Some values don't conform to the "well-known type at context
1345 * pointer + offset" pattern, so we have this function to catch all
1346 * the corner cases. Typically, it's a computed value or a one-off
1347 * pointer to a custom struct or something.
1348 *
1349 * In this case we can't return a pointer to the value, so we'll have
1350 * to use the temporary variable 'v' declared back in the calling
1351 * glGet*v() function to store the result.
1352 *
1353 * \param ctx the current context
1354 * \param d the struct value_desc that describes the enum
1355 * \param v pointer to the tmp declared in the calling glGet*v() function
1356 */
1357 static void
1358 find_custom_value(struct gl_context *ctx, const struct value_desc *d, union value *v)
1359 {
1360 struct gl_buffer_object *buffer_obj;
1361 struct gl_client_array *array;
1362 GLuint unit, *p;
1363
1364 switch (d->pname) {
1365 case GL_TEXTURE_1D:
1366 case GL_TEXTURE_2D:
1367 case GL_TEXTURE_3D:
1368 case GL_TEXTURE_1D_ARRAY_EXT:
1369 case GL_TEXTURE_2D_ARRAY_EXT:
1370 case GL_TEXTURE_CUBE_MAP_ARB:
1371 case GL_TEXTURE_RECTANGLE_NV:
1372 v->value_bool = _mesa_IsEnabled(d->pname);
1373 break;
1374
1375 case GL_LINE_STIPPLE_PATTERN:
1376 /* This is the only GLushort, special case it here by promoting
1377 * to an int rather than introducing a new type. */
1378 v->value_int = ctx->Line.StipplePattern;
1379 break;
1380
1381 case GL_CURRENT_RASTER_TEXTURE_COORDS:
1382 unit = ctx->Texture.CurrentUnit;
1383 v->value_float_4[0] = ctx->Current.RasterTexCoords[unit][0];
1384 v->value_float_4[1] = ctx->Current.RasterTexCoords[unit][1];
1385 v->value_float_4[2] = ctx->Current.RasterTexCoords[unit][2];
1386 v->value_float_4[3] = ctx->Current.RasterTexCoords[unit][3];
1387 break;
1388
1389 case GL_CURRENT_TEXTURE_COORDS:
1390 unit = ctx->Texture.CurrentUnit;
1391 v->value_float_4[0] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][0];
1392 v->value_float_4[1] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][1];
1393 v->value_float_4[2] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][2];
1394 v->value_float_4[3] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][3];
1395 break;
1396
1397 case GL_COLOR_WRITEMASK:
1398 v->value_int_4[0] = ctx->Color.ColorMask[0][RCOMP] ? 1 : 0;
1399 v->value_int_4[1] = ctx->Color.ColorMask[0][GCOMP] ? 1 : 0;
1400 v->value_int_4[2] = ctx->Color.ColorMask[0][BCOMP] ? 1 : 0;
1401 v->value_int_4[3] = ctx->Color.ColorMask[0][ACOMP] ? 1 : 0;
1402 break;
1403
1404 case GL_EDGE_FLAG:
1405 v->value_bool = ctx->Current.Attrib[VERT_ATTRIB_EDGEFLAG][0] == 1.0;
1406 break;
1407
1408 case GL_READ_BUFFER:
1409 v->value_enum = ctx->ReadBuffer->ColorReadBuffer;
1410 break;
1411
1412 case GL_MAP2_GRID_DOMAIN:
1413 v->value_float_4[0] = ctx->Eval.MapGrid2u1;
1414 v->value_float_4[1] = ctx->Eval.MapGrid2u2;
1415 v->value_float_4[2] = ctx->Eval.MapGrid2v1;
1416 v->value_float_4[3] = ctx->Eval.MapGrid2v2;
1417 break;
1418
1419 case GL_TEXTURE_STACK_DEPTH:
1420 unit = ctx->Texture.CurrentUnit;
1421 v->value_int = ctx->TextureMatrixStack[unit].Depth + 1;
1422 break;
1423 case GL_TEXTURE_MATRIX:
1424 unit = ctx->Texture.CurrentUnit;
1425 v->value_matrix = ctx->TextureMatrixStack[unit].Top;
1426 break;
1427
1428 case GL_TEXTURE_COORD_ARRAY:
1429 case GL_TEXTURE_COORD_ARRAY_SIZE:
1430 case GL_TEXTURE_COORD_ARRAY_TYPE:
1431 case GL_TEXTURE_COORD_ARRAY_STRIDE:
1432 array = &ctx->Array.ArrayObj->TexCoord[ctx->Array.ActiveTexture];
1433 v->value_int = *(GLuint *) ((char *) array + d->offset);
1434 break;
1435
1436 case GL_ACTIVE_TEXTURE_ARB:
1437 v->value_int = GL_TEXTURE0_ARB + ctx->Texture.CurrentUnit;
1438 break;
1439 case GL_CLIENT_ACTIVE_TEXTURE_ARB:
1440 v->value_int = GL_TEXTURE0_ARB + ctx->Array.ActiveTexture;
1441 break;
1442
1443 case GL_MODELVIEW_STACK_DEPTH:
1444 case GL_PROJECTION_STACK_DEPTH:
1445 v->value_int = *(GLint *) ((char *) ctx + d->offset) + 1;
1446 break;
1447
1448 case GL_MAX_TEXTURE_SIZE:
1449 case GL_MAX_3D_TEXTURE_SIZE:
1450 case GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB:
1451 p = (GLuint *) ((char *) ctx + d->offset);
1452 v->value_int = 1 << (*p - 1);
1453 break;
1454
1455 case GL_SCISSOR_BOX:
1456 v->value_int_4[0] = ctx->Scissor.X;
1457 v->value_int_4[1] = ctx->Scissor.Y;
1458 v->value_int_4[2] = ctx->Scissor.Width;
1459 v->value_int_4[3] = ctx->Scissor.Height;
1460 break;
1461
1462 case GL_LIST_INDEX:
1463 v->value_int =
1464 ctx->ListState.CurrentList ? ctx->ListState.CurrentList->Name : 0;
1465 break;
1466 case GL_LIST_MODE:
1467 if (!ctx->CompileFlag)
1468 v->value_enum = 0;
1469 else if (ctx->ExecuteFlag)
1470 v->value_enum = GL_COMPILE_AND_EXECUTE;
1471 else
1472 v->value_enum = GL_COMPILE;
1473 break;
1474
1475 case GL_VIEWPORT:
1476 v->value_int_4[0] = ctx->Viewport.X;
1477 v->value_int_4[1] = ctx->Viewport.Y;
1478 v->value_int_4[2] = ctx->Viewport.Width;
1479 v->value_int_4[3] = ctx->Viewport.Height;
1480 break;
1481
1482 case GL_ACTIVE_STENCIL_FACE_EXT:
1483 v->value_enum = ctx->Stencil.ActiveFace ? GL_BACK : GL_FRONT;
1484 break;
1485
1486 case GL_STENCIL_FAIL:
1487 v->value_enum = ctx->Stencil.FailFunc[ctx->Stencil.ActiveFace];
1488 break;
1489 case GL_STENCIL_FUNC:
1490 v->value_enum = ctx->Stencil.Function[ctx->Stencil.ActiveFace];
1491 break;
1492 case GL_STENCIL_PASS_DEPTH_FAIL:
1493 v->value_enum = ctx->Stencil.ZFailFunc[ctx->Stencil.ActiveFace];
1494 break;
1495 case GL_STENCIL_PASS_DEPTH_PASS:
1496 v->value_enum = ctx->Stencil.ZPassFunc[ctx->Stencil.ActiveFace];
1497 break;
1498 case GL_STENCIL_REF:
1499 v->value_int = ctx->Stencil.Ref[ctx->Stencil.ActiveFace];
1500 break;
1501 case GL_STENCIL_VALUE_MASK:
1502 v->value_int = ctx->Stencil.ValueMask[ctx->Stencil.ActiveFace];
1503 break;
1504 case GL_STENCIL_WRITEMASK:
1505 v->value_int = ctx->Stencil.WriteMask[ctx->Stencil.ActiveFace];
1506 break;
1507
1508 case GL_NUM_EXTENSIONS:
1509 v->value_int = _mesa_get_extension_count(ctx);
1510 break;
1511
1512 case GL_IMPLEMENTATION_COLOR_READ_TYPE_OES:
1513 v->value_int = _mesa_get_color_read_type(ctx);
1514 break;
1515 case GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES:
1516 v->value_int = _mesa_get_color_read_format(ctx);
1517 break;
1518
1519 case GL_CURRENT_MATRIX_STACK_DEPTH_ARB:
1520 v->value_int = ctx->CurrentStack->Depth + 1;
1521 break;
1522 case GL_CURRENT_MATRIX_ARB:
1523 case GL_TRANSPOSE_CURRENT_MATRIX_ARB:
1524 v->value_matrix = ctx->CurrentStack->Top;
1525 break;
1526
1527 case GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB:
1528 v->value_int = _mesa_get_compressed_formats(ctx, NULL, GL_FALSE);
1529 break;
1530 case GL_COMPRESSED_TEXTURE_FORMATS_ARB:
1531 v->value_int_n.n =
1532 _mesa_get_compressed_formats(ctx, v->value_int_n.ints, GL_FALSE);
1533 ASSERT(v->value_int_n.n <= 100);
1534 break;
1535
1536 case GL_MAX_VARYING_FLOATS_ARB:
1537 v->value_int = ctx->Const.MaxVarying * 4;
1538 break;
1539
1540 /* Various object names */
1541
1542 case GL_TEXTURE_BINDING_1D:
1543 case GL_TEXTURE_BINDING_2D:
1544 case GL_TEXTURE_BINDING_3D:
1545 case GL_TEXTURE_BINDING_1D_ARRAY_EXT:
1546 case GL_TEXTURE_BINDING_2D_ARRAY_EXT:
1547 case GL_TEXTURE_BINDING_CUBE_MAP_ARB:
1548 case GL_TEXTURE_BINDING_RECTANGLE_NV:
1549 unit = ctx->Texture.CurrentUnit;
1550 v->value_int =
1551 ctx->Texture.Unit[unit].CurrentTex[d->offset]->Name;
1552 break;
1553
1554 /* GL_ARB_vertex_buffer_object */
1555 case GL_VERTEX_ARRAY_BUFFER_BINDING_ARB:
1556 case GL_NORMAL_ARRAY_BUFFER_BINDING_ARB:
1557 case GL_COLOR_ARRAY_BUFFER_BINDING_ARB:
1558 case GL_INDEX_ARRAY_BUFFER_BINDING_ARB:
1559 case GL_EDGE_FLAG_ARRAY_BUFFER_BINDING_ARB:
1560 case GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING_ARB:
1561 case GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING_ARB:
1562 buffer_obj = (struct gl_buffer_object *)
1563 ((char *) ctx->Array.ArrayObj + d->offset);
1564 v->value_int = buffer_obj->Name;
1565 break;
1566 case GL_ARRAY_BUFFER_BINDING_ARB:
1567 v->value_int = ctx->Array.ArrayBufferObj->Name;
1568 break;
1569 case GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING_ARB:
1570 v->value_int =
1571 ctx->Array.ArrayObj->TexCoord[ctx->Array.ActiveTexture].BufferObj->Name;
1572 break;
1573 case GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB:
1574 v->value_int = ctx->Array.ElementArrayBufferObj->Name;
1575 break;
1576
1577 /* ARB_copy_buffer */
1578 case GL_COPY_READ_BUFFER:
1579 v->value_int = ctx->CopyReadBuffer->Name;
1580 break;
1581 case GL_COPY_WRITE_BUFFER:
1582 v->value_int = ctx->CopyWriteBuffer->Name;
1583 break;
1584
1585 case GL_FRAGMENT_PROGRAM_BINDING_NV:
1586 v->value_int =
1587 ctx->FragmentProgram.Current ? ctx->FragmentProgram.Current->Base.Id : 0;
1588 break;
1589 case GL_VERTEX_PROGRAM_BINDING_NV:
1590 v->value_int =
1591 ctx->VertexProgram.Current ? ctx->VertexProgram.Current->Base.Id : 0;
1592 break;
1593 case GL_PIXEL_PACK_BUFFER_BINDING_EXT:
1594 v->value_int = ctx->Pack.BufferObj->Name;
1595 break;
1596 case GL_PIXEL_UNPACK_BUFFER_BINDING_EXT:
1597 v->value_int = ctx->Unpack.BufferObj->Name;
1598 break;
1599 case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING:
1600 v->value_int = ctx->TransformFeedback.CurrentBuffer->Name;
1601 break;
1602 case GL_TRANSFORM_FEEDBACK_BUFFER_PAUSED:
1603 v->value_int = ctx->TransformFeedback.CurrentObject->Paused;
1604 break;
1605 case GL_TRANSFORM_FEEDBACK_BUFFER_ACTIVE:
1606 v->value_int = ctx->TransformFeedback.CurrentObject->Active;
1607 break;
1608 case GL_TRANSFORM_FEEDBACK_BINDING:
1609 v->value_int = ctx->TransformFeedback.CurrentObject->Name;
1610 break;
1611 case GL_CURRENT_PROGRAM:
1612 v->value_int =
1613 ctx->Shader.ActiveProgram ? ctx->Shader.ActiveProgram->Name : 0;
1614 break;
1615 case GL_READ_FRAMEBUFFER_BINDING_EXT:
1616 v->value_int = ctx->ReadBuffer->Name;
1617 break;
1618 case GL_RENDERBUFFER_BINDING_EXT:
1619 v->value_int =
1620 ctx->CurrentRenderbuffer ? ctx->CurrentRenderbuffer->Name : 0;
1621 break;
1622 case GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES:
1623 v->value_int = ctx->Array.ArrayObj->PointSize.BufferObj->Name;
1624 break;
1625
1626 case GL_MAX_VERTEX_UNIFORM_VECTORS:
1627 v->value_int = ctx->Const.VertexProgram.MaxUniformComponents / 4;
1628 break;
1629
1630 case GL_MAX_FRAGMENT_UNIFORM_VECTORS:
1631 v->value_int = ctx->Const.FragmentProgram.MaxUniformComponents / 4;
1632 break;
1633 }
1634 }
1635
1636 /**
1637 * Check extra constraints on a struct value_desc descriptor
1638 *
1639 * If a struct value_desc has a non-NULL extra pointer, it means that
1640 * there are a number of extra constraints to check or actions to
1641 * perform. The extras is just an integer array where each integer
1642 * encode different constraints or actions.
1643 *
1644 * \param ctx current context
1645 * \param func name of calling glGet*v() function for error reporting
1646 * \param d the struct value_desc that has the extra constraints
1647 *
1648 * \return GL_FALSE if one of the constraints was not satisfied,
1649 * otherwise GL_TRUE.
1650 */
1651 static GLboolean
1652 check_extra(struct gl_context *ctx, const char *func, const struct value_desc *d)
1653 {
1654 const GLuint version = ctx->VersionMajor * 10 + ctx->VersionMinor;
1655 int total, enabled;
1656 const int *e;
1657
1658 total = 0;
1659 enabled = 0;
1660 for (e = d->extra; *e != EXTRA_END; e++)
1661 switch (*e) {
1662 case EXTRA_VERSION_30:
1663 if (version >= 30) {
1664 total++;
1665 enabled++;
1666 }
1667 break;
1668 case EXTRA_VERSION_31:
1669 if (version >= 31) {
1670 total++;
1671 enabled++;
1672 }
1673 break;
1674 case EXTRA_VERSION_32:
1675 if (version >= 32) {
1676 total++;
1677 enabled++;
1678 }
1679 break;
1680 case EXTRA_VERSION_ES2:
1681 if (ctx->API == API_OPENGLES2) {
1682 total++;
1683 enabled++;
1684 }
1685 break;
1686 case EXTRA_NEW_BUFFERS:
1687 if (ctx->NewState & _NEW_BUFFERS)
1688 _mesa_update_state(ctx);
1689 break;
1690 case EXTRA_FLUSH_CURRENT:
1691 FLUSH_CURRENT(ctx, 0);
1692 break;
1693 case EXTRA_VALID_DRAW_BUFFER:
1694 if (d->pname - GL_DRAW_BUFFER0_ARB >= ctx->Const.MaxDrawBuffers) {
1695 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(draw buffer %u)",
1696 func, d->pname - GL_DRAW_BUFFER0_ARB);
1697 return GL_FALSE;
1698 }
1699 break;
1700 case EXTRA_VALID_TEXTURE_UNIT:
1701 if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) {
1702 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(texture %u)",
1703 func, ctx->Texture.CurrentUnit);
1704 return GL_FALSE;
1705 }
1706 break;
1707 case EXTRA_END:
1708 break;
1709 default: /* *e is a offset into the extension struct */
1710 total++;
1711 if (*(GLboolean *) ((char *) &ctx->Extensions + *e))
1712 enabled++;
1713 break;
1714 }
1715
1716 if (total > 0 && enabled == 0) {
1717 _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=%s)", func,
1718 _mesa_lookup_enum_by_nr(d->pname));
1719 return GL_FALSE;
1720 }
1721
1722 return GL_TRUE;
1723 }
1724
1725 static const struct value_desc error_value =
1726 { 0, 0, TYPE_INVALID, NO_OFFSET, NO_EXTRA };
1727
1728 /**
1729 * Find the struct value_desc corresponding to the enum 'pname'.
1730 *
1731 * We hash the enum value to get an index into the 'table' array,
1732 * which holds the index in the 'values' array of struct value_desc.
1733 * Once we've found the entry, we do the extra checks, if any, then
1734 * look up the value and return a pointer to it.
1735 *
1736 * If the value has to be computed (for example, it's the result of a
1737 * function call or we need to add 1 to it), we use the tmp 'v' to
1738 * store the result.
1739 *
1740 * \param func name of glGet*v() func for error reporting
1741 * \param pname the enum value we're looking up
1742 * \param p is were we return the pointer to the value
1743 * \param v a tmp union value variable in the calling glGet*v() function
1744 *
1745 * \return the struct value_desc corresponding to the enum or a struct
1746 * value_desc of TYPE_INVALID if not found. This lets the calling
1747 * glGet*v() function jump right into a switch statement and
1748 * handle errors there instead of having to check for NULL.
1749 */
1750 static const struct value_desc *
1751 find_value(const char *func, GLenum pname, void **p, union value *v)
1752 {
1753 GET_CURRENT_CONTEXT(ctx);
1754 struct gl_texture_unit *unit;
1755 int mask, hash;
1756 const struct value_desc *d;
1757
1758 mask = Elements(table) - 1;
1759 hash = (pname * prime_factor);
1760 while (1) {
1761 d = &values[table[hash & mask]];
1762
1763 /* If the enum isn't valid, the hash walk ends with index 0,
1764 * which is the API mask entry at the beginning of values[]. */
1765 if (unlikely(d->type == TYPE_API_MASK)) {
1766 _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=%s)", func,
1767 _mesa_lookup_enum_by_nr(pname));
1768 return &error_value;
1769 }
1770
1771 if (likely(d->pname == pname))
1772 break;
1773
1774 hash += prime_step;
1775 }
1776
1777 if (unlikely(d->extra && !check_extra(ctx, func, d)))
1778 return &error_value;
1779
1780 switch (d->location) {
1781 case LOC_BUFFER:
1782 *p = ((char *) ctx->DrawBuffer + d->offset);
1783 return d;
1784 case LOC_CONTEXT:
1785 *p = ((char *) ctx + d->offset);
1786 return d;
1787 case LOC_ARRAY:
1788 *p = ((char *) ctx->Array.ArrayObj + d->offset);
1789 return d;
1790 case LOC_TEXUNIT:
1791 unit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
1792 *p = ((char *) unit + d->offset);
1793 return d;
1794 case LOC_CUSTOM:
1795 find_custom_value(ctx, d, v);
1796 *p = v;
1797 return d;
1798 default:
1799 assert(0);
1800 break;
1801 }
1802
1803 /* silence warning */
1804 return &error_value;
1805 }
1806
1807 static const int transpose[] = {
1808 0, 4, 8, 12,
1809 1, 5, 9, 13,
1810 2, 6, 10, 14,
1811 3, 7, 11, 15
1812 };
1813
1814 void GLAPIENTRY
1815 _mesa_GetBooleanv(GLenum pname, GLboolean *params)
1816 {
1817 const struct value_desc *d;
1818 union value v;
1819 GLmatrix *m;
1820 int shift, i;
1821 void *p;
1822
1823 d = find_value("glGetBooleanv", pname, &p, &v);
1824 switch (d->type) {
1825 case TYPE_INVALID:
1826 break;
1827 case TYPE_CONST:
1828 params[0] = INT_TO_BOOLEAN(d->offset);
1829 break;
1830
1831 case TYPE_FLOAT_4:
1832 case TYPE_FLOATN_4:
1833 params[3] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[3]);
1834 case TYPE_FLOAT_3:
1835 case TYPE_FLOATN_3:
1836 params[2] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[2]);
1837 case TYPE_FLOAT_2:
1838 case TYPE_FLOATN_2:
1839 params[1] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[1]);
1840 case TYPE_FLOAT:
1841 case TYPE_FLOATN:
1842 params[0] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[0]);
1843 break;
1844
1845 case TYPE_DOUBLEN:
1846 params[0] = FLOAT_TO_BOOLEAN(((GLdouble *) p)[0]);
1847 break;
1848
1849 case TYPE_INT_4:
1850 params[3] = INT_TO_BOOLEAN(((GLint *) p)[3]);
1851 case TYPE_INT_3:
1852 params[2] = INT_TO_BOOLEAN(((GLint *) p)[2]);
1853 case TYPE_INT_2:
1854 case TYPE_ENUM_2:
1855 params[1] = INT_TO_BOOLEAN(((GLint *) p)[1]);
1856 case TYPE_INT:
1857 case TYPE_ENUM:
1858 params[0] = INT_TO_BOOLEAN(((GLint *) p)[0]);
1859 break;
1860
1861 case TYPE_INT_N:
1862 for (i = 0; i < v.value_int_n.n; i++)
1863 params[i] = INT_TO_BOOLEAN(v.value_int_n.ints[i]);
1864 break;
1865
1866 case TYPE_INT64:
1867 params[0] = INT64_TO_BOOLEAN(((GLint64 *) p)[0]);
1868 break;
1869
1870 case TYPE_BOOLEAN:
1871 params[0] = ((GLboolean*) p)[0];
1872 break;
1873
1874 case TYPE_MATRIX:
1875 m = *(GLmatrix **) p;
1876 for (i = 0; i < 16; i++)
1877 params[i] = FLOAT_TO_BOOLEAN(m->m[i]);
1878 break;
1879
1880 case TYPE_MATRIX_T:
1881 m = *(GLmatrix **) p;
1882 for (i = 0; i < 16; i++)
1883 params[i] = FLOAT_TO_BOOLEAN(m->m[transpose[i]]);
1884 break;
1885
1886 case TYPE_BIT_0:
1887 case TYPE_BIT_1:
1888 case TYPE_BIT_2:
1889 case TYPE_BIT_3:
1890 case TYPE_BIT_4:
1891 case TYPE_BIT_5:
1892 shift = d->type - TYPE_BIT_0;
1893 params[0] = (*(GLbitfield *) p >> shift) & 1;
1894 break;
1895 }
1896 }
1897
1898 void GLAPIENTRY
1899 _mesa_GetFloatv(GLenum pname, GLfloat *params)
1900 {
1901 const struct value_desc *d;
1902 union value v;
1903 GLmatrix *m;
1904 int shift, i;
1905 void *p;
1906
1907 d = find_value("glGetFloatv", pname, &p, &v);
1908 switch (d->type) {
1909 case TYPE_INVALID:
1910 break;
1911 case TYPE_CONST:
1912 params[0] = (GLfloat) d->offset;
1913 break;
1914
1915 case TYPE_FLOAT_4:
1916 case TYPE_FLOATN_4:
1917 params[3] = ((GLfloat *) p)[3];
1918 case TYPE_FLOAT_3:
1919 case TYPE_FLOATN_3:
1920 params[2] = ((GLfloat *) p)[2];
1921 case TYPE_FLOAT_2:
1922 case TYPE_FLOATN_2:
1923 params[1] = ((GLfloat *) p)[1];
1924 case TYPE_FLOAT:
1925 case TYPE_FLOATN:
1926 params[0] = ((GLfloat *) p)[0];
1927 break;
1928
1929 case TYPE_DOUBLEN:
1930 params[0] = ((GLdouble *) p)[0];
1931 break;
1932
1933 case TYPE_INT_4:
1934 params[3] = (GLfloat) (((GLint *) p)[3]);
1935 case TYPE_INT_3:
1936 params[2] = (GLfloat) (((GLint *) p)[2]);
1937 case TYPE_INT_2:
1938 case TYPE_ENUM_2:
1939 params[1] = (GLfloat) (((GLint *) p)[1]);
1940 case TYPE_INT:
1941 case TYPE_ENUM:
1942 params[0] = (GLfloat) (((GLint *) p)[0]);
1943 break;
1944
1945 case TYPE_INT_N:
1946 for (i = 0; i < v.value_int_n.n; i++)
1947 params[i] = INT_TO_FLOAT(v.value_int_n.ints[i]);
1948 break;
1949
1950 case TYPE_INT64:
1951 params[0] = ((GLint64 *) p)[0];
1952 break;
1953
1954 case TYPE_BOOLEAN:
1955 params[0] = BOOLEAN_TO_FLOAT(*(GLboolean*) p);
1956 break;
1957
1958 case TYPE_MATRIX:
1959 m = *(GLmatrix **) p;
1960 for (i = 0; i < 16; i++)
1961 params[i] = m->m[i];
1962 break;
1963
1964 case TYPE_MATRIX_T:
1965 m = *(GLmatrix **) p;
1966 for (i = 0; i < 16; i++)
1967 params[i] = m->m[transpose[i]];
1968 break;
1969
1970 case TYPE_BIT_0:
1971 case TYPE_BIT_1:
1972 case TYPE_BIT_2:
1973 case TYPE_BIT_3:
1974 case TYPE_BIT_4:
1975 case TYPE_BIT_5:
1976 shift = d->type - TYPE_BIT_0;
1977 params[0] = BOOLEAN_TO_FLOAT((*(GLbitfield *) p >> shift) & 1);
1978 break;
1979 }
1980 }
1981
1982 void GLAPIENTRY
1983 _mesa_GetIntegerv(GLenum pname, GLint *params)
1984 {
1985 const struct value_desc *d;
1986 union value v;
1987 GLmatrix *m;
1988 int shift, i;
1989 void *p;
1990
1991 d = find_value("glGetIntegerv", pname, &p, &v);
1992 switch (d->type) {
1993 case TYPE_INVALID:
1994 break;
1995 case TYPE_CONST:
1996 params[0] = d->offset;
1997 break;
1998
1999 case TYPE_FLOAT_4:
2000 params[3] = IROUND(((GLfloat *) p)[3]);
2001 case TYPE_FLOAT_3:
2002 params[2] = IROUND(((GLfloat *) p)[2]);
2003 case TYPE_FLOAT_2:
2004 params[1] = IROUND(((GLfloat *) p)[1]);
2005 case TYPE_FLOAT:
2006 params[0] = IROUND(((GLfloat *) p)[0]);
2007 break;
2008
2009 case TYPE_FLOATN_4:
2010 params[3] = FLOAT_TO_INT(((GLfloat *) p)[3]);
2011 case TYPE_FLOATN_3:
2012 params[2] = FLOAT_TO_INT(((GLfloat *) p)[2]);
2013 case TYPE_FLOATN_2:
2014 params[1] = FLOAT_TO_INT(((GLfloat *) p)[1]);
2015 case TYPE_FLOATN:
2016 params[0] = FLOAT_TO_INT(((GLfloat *) p)[0]);
2017 break;
2018
2019 case TYPE_DOUBLEN:
2020 params[0] = FLOAT_TO_INT(((GLdouble *) p)[0]);
2021 break;
2022
2023 case TYPE_INT_4:
2024 params[3] = ((GLint *) p)[3];
2025 case TYPE_INT_3:
2026 params[2] = ((GLint *) p)[2];
2027 case TYPE_INT_2:
2028 case TYPE_ENUM_2:
2029 params[1] = ((GLint *) p)[1];
2030 case TYPE_INT:
2031 case TYPE_ENUM:
2032 params[0] = ((GLint *) p)[0];
2033 break;
2034
2035 case TYPE_INT_N:
2036 for (i = 0; i < v.value_int_n.n; i++)
2037 params[i] = v.value_int_n.ints[i];
2038 break;
2039
2040 case TYPE_INT64:
2041 params[0] = INT64_TO_INT(((GLint64 *) p)[0]);
2042 break;
2043
2044 case TYPE_BOOLEAN:
2045 params[0] = BOOLEAN_TO_INT(*(GLboolean*) p);
2046 break;
2047
2048 case TYPE_MATRIX:
2049 m = *(GLmatrix **) p;
2050 for (i = 0; i < 16; i++)
2051 params[i] = FLOAT_TO_INT(m->m[i]);
2052 break;
2053
2054 case TYPE_MATRIX_T:
2055 m = *(GLmatrix **) p;
2056 for (i = 0; i < 16; i++)
2057 params[i] = FLOAT_TO_INT(m->m[transpose[i]]);
2058 break;
2059
2060 case TYPE_BIT_0:
2061 case TYPE_BIT_1:
2062 case TYPE_BIT_2:
2063 case TYPE_BIT_3:
2064 case TYPE_BIT_4:
2065 case TYPE_BIT_5:
2066 shift = d->type - TYPE_BIT_0;
2067 params[0] = (*(GLbitfield *) p >> shift) & 1;
2068 break;
2069 }
2070 }
2071
2072 #if FEATURE_ARB_sync
2073 void GLAPIENTRY
2074 _mesa_GetInteger64v(GLenum pname, GLint64 *params)
2075 {
2076 const struct value_desc *d;
2077 union value v;
2078 GLmatrix *m;
2079 int shift, i;
2080 void *p;
2081
2082 d = find_value("glGetInteger64v", pname, &p, &v);
2083 switch (d->type) {
2084 case TYPE_INVALID:
2085 break;
2086 case TYPE_CONST:
2087 params[0] = d->offset;
2088 break;
2089
2090 case TYPE_FLOAT_4:
2091 params[3] = IROUND64(((GLfloat *) p)[3]);
2092 case TYPE_FLOAT_3:
2093 params[2] = IROUND64(((GLfloat *) p)[2]);
2094 case TYPE_FLOAT_2:
2095 params[1] = IROUND64(((GLfloat *) p)[1]);
2096 case TYPE_FLOAT:
2097 params[0] = IROUND64(((GLfloat *) p)[0]);
2098 break;
2099
2100 case TYPE_FLOATN_4:
2101 params[3] = FLOAT_TO_INT64(((GLfloat *) p)[3]);
2102 case TYPE_FLOATN_3:
2103 params[2] = FLOAT_TO_INT64(((GLfloat *) p)[2]);
2104 case TYPE_FLOATN_2:
2105 params[1] = FLOAT_TO_INT64(((GLfloat *) p)[1]);
2106 case TYPE_FLOATN:
2107 params[0] = FLOAT_TO_INT64(((GLfloat *) p)[0]);
2108 break;
2109
2110 case TYPE_DOUBLEN:
2111 params[0] = FLOAT_TO_INT64(((GLdouble *) p)[0]);
2112 break;
2113
2114 case TYPE_INT_4:
2115 params[3] = ((GLint *) p)[3];
2116 case TYPE_INT_3:
2117 params[2] = ((GLint *) p)[2];
2118 case TYPE_INT_2:
2119 case TYPE_ENUM_2:
2120 params[1] = ((GLint *) p)[1];
2121 case TYPE_INT:
2122 case TYPE_ENUM:
2123 params[0] = ((GLint *) p)[0];
2124 break;
2125
2126 case TYPE_INT_N:
2127 for (i = 0; i < v.value_int_n.n; i++)
2128 params[i] = INT_TO_BOOLEAN(v.value_int_n.ints[i]);
2129 break;
2130
2131 case TYPE_INT64:
2132 params[0] = ((GLint64 *) p)[0];
2133 break;
2134
2135 case TYPE_BOOLEAN:
2136 params[0] = ((GLboolean*) p)[0];
2137 break;
2138
2139 case TYPE_MATRIX:
2140 m = *(GLmatrix **) p;
2141 for (i = 0; i < 16; i++)
2142 params[i] = FLOAT_TO_INT64(m->m[i]);
2143 break;
2144
2145 case TYPE_MATRIX_T:
2146 m = *(GLmatrix **) p;
2147 for (i = 0; i < 16; i++)
2148 params[i] = FLOAT_TO_INT64(m->m[transpose[i]]);
2149 break;
2150
2151 case TYPE_BIT_0:
2152 case TYPE_BIT_1:
2153 case TYPE_BIT_2:
2154 case TYPE_BIT_3:
2155 case TYPE_BIT_4:
2156 case TYPE_BIT_5:
2157 shift = d->type - TYPE_BIT_0;
2158 params[0] = (*(GLbitfield *) p >> shift) & 1;
2159 break;
2160 }
2161 }
2162 #endif /* FEATURE_ARB_sync */
2163
2164 void GLAPIENTRY
2165 _mesa_GetDoublev(GLenum pname, GLdouble *params)
2166 {
2167 const struct value_desc *d;
2168 union value v;
2169 GLmatrix *m;
2170 int shift, i;
2171 void *p;
2172
2173 d = find_value("glGetDoublev", pname, &p, &v);
2174 switch (d->type) {
2175 case TYPE_INVALID:
2176 break;
2177 case TYPE_CONST:
2178 params[0] = d->offset;
2179 break;
2180
2181 case TYPE_FLOAT_4:
2182 case TYPE_FLOATN_4:
2183 params[3] = ((GLfloat *) p)[3];
2184 case TYPE_FLOAT_3:
2185 case TYPE_FLOATN_3:
2186 params[2] = ((GLfloat *) p)[2];
2187 case TYPE_FLOAT_2:
2188 case TYPE_FLOATN_2:
2189 params[1] = ((GLfloat *) p)[1];
2190 case TYPE_FLOAT:
2191 case TYPE_FLOATN:
2192 params[0] = ((GLfloat *) p)[0];
2193 break;
2194
2195 case TYPE_DOUBLEN:
2196 params[0] = ((GLdouble *) p)[0];
2197 break;
2198
2199 case TYPE_INT_4:
2200 params[3] = ((GLint *) p)[3];
2201 case TYPE_INT_3:
2202 params[2] = ((GLint *) p)[2];
2203 case TYPE_INT_2:
2204 case TYPE_ENUM_2:
2205 params[1] = ((GLint *) p)[1];
2206 case TYPE_INT:
2207 case TYPE_ENUM:
2208 params[0] = ((GLint *) p)[0];
2209 break;
2210
2211 case TYPE_INT_N:
2212 for (i = 0; i < v.value_int_n.n; i++)
2213 params[i] = v.value_int_n.ints[i];
2214 break;
2215
2216 case TYPE_INT64:
2217 params[0] = ((GLint64 *) p)[0];
2218 break;
2219
2220 case TYPE_BOOLEAN:
2221 params[0] = *(GLboolean*) p;
2222 break;
2223
2224 case TYPE_MATRIX:
2225 m = *(GLmatrix **) p;
2226 for (i = 0; i < 16; i++)
2227 params[i] = m->m[i];
2228 break;
2229
2230 case TYPE_MATRIX_T:
2231 m = *(GLmatrix **) p;
2232 for (i = 0; i < 16; i++)
2233 params[i] = m->m[transpose[i]];
2234 break;
2235
2236 case TYPE_BIT_0:
2237 case TYPE_BIT_1:
2238 case TYPE_BIT_2:
2239 case TYPE_BIT_3:
2240 case TYPE_BIT_4:
2241 case TYPE_BIT_5:
2242 shift = d->type - TYPE_BIT_0;
2243 params[0] = (*(GLbitfield *) p >> shift) & 1;
2244 break;
2245 }
2246 }
2247
2248 static enum value_type
2249 find_value_indexed(const char *func, GLenum pname, int index, union value *v)
2250 {
2251 GET_CURRENT_CONTEXT(ctx);
2252
2253 switch (pname) {
2254
2255 case GL_BLEND:
2256 if (index >= ctx->Const.MaxDrawBuffers)
2257 goto invalid_value;
2258 if (!ctx->Extensions.EXT_draw_buffers2)
2259 goto invalid_enum;
2260 v->value_int = (ctx->Color.BlendEnabled >> index) & 1;
2261 return TYPE_INT;
2262
2263 case GL_COLOR_WRITEMASK:
2264 if (index >= ctx->Const.MaxDrawBuffers)
2265 goto invalid_value;
2266 if (!ctx->Extensions.EXT_draw_buffers2)
2267 goto invalid_enum;
2268 v->value_int_4[0] = ctx->Color.ColorMask[index][RCOMP] ? 1 : 0;
2269 v->value_int_4[1] = ctx->Color.ColorMask[index][GCOMP] ? 1 : 0;
2270 v->value_int_4[2] = ctx->Color.ColorMask[index][BCOMP] ? 1 : 0;
2271 v->value_int_4[3] = ctx->Color.ColorMask[index][ACOMP] ? 1 : 0;
2272 return TYPE_INT_4;
2273
2274 case GL_TRANSFORM_FEEDBACK_BUFFER_START:
2275 if (index >= ctx->Const.MaxTransformFeedbackSeparateAttribs)
2276 goto invalid_value;
2277 if (!ctx->Extensions.EXT_transform_feedback)
2278 goto invalid_enum;
2279 v->value_int64 = ctx->TransformFeedback.CurrentObject->Offset[index];
2280 return TYPE_INT64;
2281
2282 case GL_TRANSFORM_FEEDBACK_BUFFER_SIZE:
2283 if (index >= ctx->Const.MaxTransformFeedbackSeparateAttribs)
2284 goto invalid_value;
2285 if (!ctx->Extensions.EXT_transform_feedback)
2286 goto invalid_enum;
2287 v->value_int64 = ctx->TransformFeedback.CurrentObject->Size[index];
2288 return TYPE_INT64;
2289
2290 case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING:
2291 if (index >= ctx->Const.MaxTransformFeedbackSeparateAttribs)
2292 goto invalid_value;
2293 if (!ctx->Extensions.EXT_transform_feedback)
2294 goto invalid_enum;
2295 v->value_int = ctx->TransformFeedback.CurrentObject->Buffers[index]->Name;
2296 return TYPE_INT;
2297 }
2298
2299 invalid_enum:
2300 _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=%s)", func,
2301 _mesa_lookup_enum_by_nr(pname));
2302 return TYPE_INVALID;
2303 invalid_value:
2304 _mesa_error(ctx, GL_INVALID_VALUE, "%s(pname=%s)", func,
2305 _mesa_lookup_enum_by_nr(pname));
2306 return TYPE_INVALID;
2307 }
2308
2309 void GLAPIENTRY
2310 _mesa_GetBooleanIndexedv( GLenum pname, GLuint index, GLboolean *params )
2311 {
2312 union value v;
2313
2314 switch (find_value_indexed("glGetBooleanIndexedv", pname, index, &v)) {
2315 case TYPE_INT:
2316 params[0] = INT_TO_BOOLEAN(v.value_int);
2317 break;
2318 case TYPE_INT_4:
2319 params[0] = INT_TO_BOOLEAN(v.value_int_4[0]);
2320 params[1] = INT_TO_BOOLEAN(v.value_int_4[1]);
2321 params[2] = INT_TO_BOOLEAN(v.value_int_4[2]);
2322 params[3] = INT_TO_BOOLEAN(v.value_int_4[3]);
2323 break;
2324 case TYPE_INT64:
2325 params[0] = INT64_TO_BOOLEAN(v.value_int);
2326 break;
2327 default:
2328 assert(0);
2329 }
2330 }
2331
2332 void GLAPIENTRY
2333 _mesa_GetIntegerIndexedv( GLenum pname, GLuint index, GLint *params )
2334 {
2335 union value v;
2336
2337 switch (find_value_indexed("glGetIntegerIndexedv", pname, index, &v)) {
2338 case TYPE_INT:
2339 params[0] = v.value_int;
2340 break;
2341 case TYPE_INT_4:
2342 params[0] = v.value_int_4[0];
2343 params[1] = v.value_int_4[1];
2344 params[2] = v.value_int_4[2];
2345 params[3] = v.value_int_4[3];
2346 break;
2347 case TYPE_INT64:
2348 params[0] = INT64_TO_INT(v.value_int);
2349 break;
2350 default:
2351 assert(0);
2352 }
2353 }
2354
2355 #if FEATURE_ARB_sync
2356 void GLAPIENTRY
2357 _mesa_GetInteger64Indexedv( GLenum pname, GLuint index, GLint64 *params )
2358 {
2359 union value v;
2360
2361 switch (find_value_indexed("glGetIntegerIndexedv", pname, index, &v)) {
2362 case TYPE_INT:
2363 params[0] = v.value_int;
2364 break;
2365 case TYPE_INT_4:
2366 params[0] = v.value_int_4[0];
2367 params[1] = v.value_int_4[1];
2368 params[2] = v.value_int_4[2];
2369 params[3] = v.value_int_4[3];
2370 break;
2371 case TYPE_INT64:
2372 params[0] = v.value_int;
2373 break;
2374 default:
2375 assert(0);
2376 }
2377 }
2378 #endif /* FEATURE_ARB_sync */
2379
2380 #if FEATURE_ES1
2381 void GLAPIENTRY
2382 _mesa_GetFixedv(GLenum pname, GLfixed *params)
2383 {
2384 const struct value_desc *d;
2385 union value v;
2386 GLmatrix *m;
2387 int shift, i;
2388 void *p;
2389
2390 d = find_value("glGetDoublev", pname, &p, &v);
2391 switch (d->type) {
2392 case TYPE_INVALID:
2393 break;
2394 case TYPE_CONST:
2395 params[0] = INT_TO_FIXED(d->offset);
2396 break;
2397
2398 case TYPE_FLOAT_4:
2399 case TYPE_FLOATN_4:
2400 params[3] = FLOAT_TO_FIXED(((GLfloat *) p)[3]);
2401 case TYPE_FLOAT_3:
2402 case TYPE_FLOATN_3:
2403 params[2] = FLOAT_TO_FIXED(((GLfloat *) p)[2]);
2404 case TYPE_FLOAT_2:
2405 case TYPE_FLOATN_2:
2406 params[1] = FLOAT_TO_FIXED(((GLfloat *) p)[1]);
2407 case TYPE_FLOAT:
2408 case TYPE_FLOATN:
2409 params[0] = FLOAT_TO_FIXED(((GLfloat *) p)[0]);
2410 break;
2411
2412 case TYPE_DOUBLEN:
2413 params[0] = FLOAT_TO_FIXED(((GLdouble *) p)[0]);
2414 break;
2415
2416 case TYPE_INT_4:
2417 params[3] = INT_TO_FIXED(((GLint *) p)[3]);
2418 case TYPE_INT_3:
2419 params[2] = INT_TO_FIXED(((GLint *) p)[2]);
2420 case TYPE_INT_2:
2421 case TYPE_ENUM_2:
2422 params[1] = INT_TO_FIXED(((GLint *) p)[1]);
2423 case TYPE_INT:
2424 case TYPE_ENUM:
2425 params[0] = INT_TO_FIXED(((GLint *) p)[0]);
2426 break;
2427
2428 case TYPE_INT_N:
2429 for (i = 0; i < v.value_int_n.n; i++)
2430 params[i] = INT_TO_FIXED(v.value_int_n.ints[i]);
2431 break;
2432
2433 case TYPE_INT64:
2434 params[0] = ((GLint64 *) p)[0];
2435 break;
2436
2437 case TYPE_BOOLEAN:
2438 params[0] = BOOLEAN_TO_FIXED(((GLboolean*) p)[0]);
2439 break;
2440
2441 case TYPE_MATRIX:
2442 m = *(GLmatrix **) p;
2443 for (i = 0; i < 16; i++)
2444 params[i] = FLOAT_TO_FIXED(m->m[i]);
2445 break;
2446
2447 case TYPE_MATRIX_T:
2448 m = *(GLmatrix **) p;
2449 for (i = 0; i < 16; i++)
2450 params[i] = FLOAT_TO_FIXED(m->m[transpose[i]]);
2451 break;
2452
2453 case TYPE_BIT_0:
2454 case TYPE_BIT_1:
2455 case TYPE_BIT_2:
2456 case TYPE_BIT_3:
2457 case TYPE_BIT_4:
2458 case TYPE_BIT_5:
2459 shift = d->type - TYPE_BIT_0;
2460 params[0] = BOOLEAN_TO_FIXED((*(GLbitfield *) p >> shift) & 1);
2461 break;
2462 }
2463 }
2464 #endif