get.c revision 1b86a91c643fdd4c3de1a2f5e84f94e812105766
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 "mfeatures.h" 33#include "mtypes.h" 34#include "state.h" 35#include "texcompress.h" 36#include "framebuffer.h" 37 38/* This is a table driven implemetation of the glGet*v() functions. 39 * The basic idea is that most getters just look up an int somewhere 40 * in struct gl_context and then convert it to a bool or float according to 41 * which of glGetIntegerv() glGetBooleanv() etc is being called. 42 * Instead of generating code to do this, we can just record the enum 43 * value and the offset into struct gl_context in an array of structs. Then 44 * in glGet*(), we lookup the struct for the enum in question, and use 45 * the offset to get the int we need. 46 * 47 * Sometimes we need to look up a float, a boolean, a bit in a 48 * bitfield, a matrix or other types instead, so we need to track the 49 * type of the value in struct gl_context. And sometimes the value isn't in 50 * struct gl_context but in the drawbuffer, the array object, current texture 51 * unit, or maybe it's a computed value. So we need to also track 52 * where or how to find the value. Finally, we sometimes need to 53 * check that one of a number of extensions are enabled, the GL 54 * version or flush or call _mesa_update_state(). This is done by 55 * attaching optional extra information to the value description 56 * struct, it's sort of like an array of opcodes that describe extra 57 * checks or actions. 58 * 59 * Putting all this together we end up with struct value_desc below, 60 * and with a couple of macros to help, the table of struct value_desc 61 * is about as concise as the specification in the old python script. 62 */ 63 64#undef CONST 65 66#define FLOAT_TO_BOOLEAN(X) ( (X) ? GL_TRUE : GL_FALSE ) 67#define FLOAT_TO_FIXED(F) ( ((F) * 65536.0f > INT_MAX) ? INT_MAX : \ 68 ((F) * 65536.0f < INT_MIN) ? INT_MIN : \ 69 (GLint) ((F) * 65536.0f) ) 70 71#define INT_TO_BOOLEAN(I) ( (I) ? GL_TRUE : GL_FALSE ) 72#define INT_TO_FIXED(I) ( ((I) > SHRT_MAX) ? INT_MAX : \ 73 ((I) < SHRT_MIN) ? INT_MIN : \ 74 (GLint) ((I) * 65536) ) 75 76#define INT64_TO_BOOLEAN(I) ( (I) ? GL_TRUE : GL_FALSE ) 77#define INT64_TO_INT(I) ( (GLint)((I > INT_MAX) ? INT_MAX : ((I < INT_MIN) ? INT_MIN : (I))) ) 78 79#define BOOLEAN_TO_INT(B) ( (GLint) (B) ) 80#define BOOLEAN_TO_INT64(B) ( (GLint64) (B) ) 81#define BOOLEAN_TO_FLOAT(B) ( (B) ? 1.0F : 0.0F ) 82#define BOOLEAN_TO_FIXED(B) ( (GLint) ((B) ? 1 : 0) << 16 ) 83 84#define ENUM_TO_INT64(E) ( (GLint64) (E) ) 85#define ENUM_TO_FIXED(E) (E) 86 87enum value_type { 88 TYPE_INVALID, 89 TYPE_API_MASK, 90 TYPE_INT, 91 TYPE_INT_2, 92 TYPE_INT_3, 93 TYPE_INT_4, 94 TYPE_INT_N, 95 TYPE_INT64, 96 TYPE_ENUM, 97 TYPE_ENUM_2, 98 TYPE_BOOLEAN, 99 TYPE_BIT_0, 100 TYPE_BIT_1, 101 TYPE_BIT_2, 102 TYPE_BIT_3, 103 TYPE_BIT_4, 104 TYPE_BIT_5, 105 TYPE_BIT_6, 106 TYPE_BIT_7, 107 TYPE_FLOAT, 108 TYPE_FLOAT_2, 109 TYPE_FLOAT_3, 110 TYPE_FLOAT_4, 111 TYPE_FLOATN, 112 TYPE_FLOATN_2, 113 TYPE_FLOATN_3, 114 TYPE_FLOATN_4, 115 TYPE_DOUBLEN, 116 TYPE_MATRIX, 117 TYPE_MATRIX_T, 118 TYPE_CONST 119}; 120 121enum value_location { 122 LOC_BUFFER, 123 LOC_CONTEXT, 124 LOC_ARRAY, 125 LOC_TEXUNIT, 126 LOC_CUSTOM 127}; 128 129enum value_extra { 130 EXTRA_END = 0x8000, 131 EXTRA_VERSION_30, 132 EXTRA_VERSION_31, 133 EXTRA_VERSION_32, 134 EXTRA_API_GL, 135 EXTRA_API_ES2, 136 EXTRA_NEW_BUFFERS, 137 EXTRA_NEW_FRAG_CLAMP, 138 EXTRA_VALID_DRAW_BUFFER, 139 EXTRA_VALID_TEXTURE_UNIT, 140 EXTRA_VALID_CLIP_DISTANCE, 141 EXTRA_FLUSH_CURRENT, 142 EXTRA_GLSL_130, 143}; 144 145#define NO_EXTRA NULL 146#define NO_OFFSET 0 147 148struct value_desc { 149 GLenum pname; 150 GLubyte location; /**< enum value_location */ 151 GLubyte type; /**< enum value_type */ 152 int offset; 153 const int *extra; 154}; 155 156union value { 157 GLfloat value_float; 158 GLfloat value_float_4[4]; 159 GLmatrix *value_matrix; 160 GLint value_int; 161 GLint value_int_4[4]; 162 GLint64 value_int64; 163 GLenum value_enum; 164 165 /* Sigh, see GL_COMPRESSED_TEXTURE_FORMATS_ARB handling */ 166 struct { 167 GLint n, ints[100]; 168 } value_int_n; 169 GLboolean value_bool; 170}; 171 172#define BUFFER_FIELD(field, type) \ 173 LOC_BUFFER, type, offsetof(struct gl_framebuffer, field) 174#define CONTEXT_FIELD(field, type) \ 175 LOC_CONTEXT, type, offsetof(struct gl_context, field) 176#define ARRAY_FIELD(field, type) \ 177 LOC_ARRAY, type, offsetof(struct gl_array_object, field) 178#define CONST(value) \ 179 LOC_CONTEXT, TYPE_CONST, value 180 181#define BUFFER_INT(field) BUFFER_FIELD(field, TYPE_INT) 182#define BUFFER_ENUM(field) BUFFER_FIELD(field, TYPE_ENUM) 183#define BUFFER_BOOL(field) BUFFER_FIELD(field, TYPE_BOOLEAN) 184 185#define CONTEXT_INT(field) CONTEXT_FIELD(field, TYPE_INT) 186#define CONTEXT_INT2(field) CONTEXT_FIELD(field, TYPE_INT_2) 187#define CONTEXT_INT64(field) CONTEXT_FIELD(field, TYPE_INT64) 188#define CONTEXT_ENUM(field) CONTEXT_FIELD(field, TYPE_ENUM) 189#define CONTEXT_ENUM2(field) CONTEXT_FIELD(field, TYPE_ENUM_2) 190#define CONTEXT_BOOL(field) CONTEXT_FIELD(field, TYPE_BOOLEAN) 191#define CONTEXT_BIT0(field) CONTEXT_FIELD(field, TYPE_BIT_0) 192#define CONTEXT_BIT1(field) CONTEXT_FIELD(field, TYPE_BIT_1) 193#define CONTEXT_BIT2(field) CONTEXT_FIELD(field, TYPE_BIT_2) 194#define CONTEXT_BIT3(field) CONTEXT_FIELD(field, TYPE_BIT_3) 195#define CONTEXT_BIT4(field) CONTEXT_FIELD(field, TYPE_BIT_4) 196#define CONTEXT_BIT5(field) CONTEXT_FIELD(field, TYPE_BIT_5) 197#define CONTEXT_BIT6(field) CONTEXT_FIELD(field, TYPE_BIT_6) 198#define CONTEXT_BIT7(field) CONTEXT_FIELD(field, TYPE_BIT_7) 199#define CONTEXT_FLOAT(field) CONTEXT_FIELD(field, TYPE_FLOAT) 200#define CONTEXT_FLOAT2(field) CONTEXT_FIELD(field, TYPE_FLOAT_2) 201#define CONTEXT_FLOAT3(field) CONTEXT_FIELD(field, TYPE_FLOAT_3) 202#define CONTEXT_FLOAT4(field) CONTEXT_FIELD(field, TYPE_FLOAT_4) 203#define CONTEXT_MATRIX(field) CONTEXT_FIELD(field, TYPE_MATRIX) 204#define CONTEXT_MATRIX_T(field) CONTEXT_FIELD(field, TYPE_MATRIX_T) 205 206#define ARRAY_INT(field) ARRAY_FIELD(field, TYPE_INT) 207#define ARRAY_ENUM(field) ARRAY_FIELD(field, TYPE_ENUM) 208#define ARRAY_BOOL(field) ARRAY_FIELD(field, TYPE_BOOLEAN) 209 210#define EXT(f) \ 211 offsetof(struct gl_extensions, f) 212 213#define EXTRA_EXT(e) \ 214 static const int extra_##e[] = { \ 215 EXT(e), EXTRA_END \ 216 } 217 218#define EXTRA_EXT2(e1, e2) \ 219 static const int extra_##e1##_##e2[] = { \ 220 EXT(e1), EXT(e2), EXTRA_END \ 221 } 222 223/* The 'extra' mechanism is a way to specify extra checks (such as 224 * extensions or specific gl versions) or actions (flush current, new 225 * buffers) that we need to do before looking up an enum. We need to 226 * declare them all up front so we can refer to them in the value_desc 227 * structs below. */ 228 229static const int extra_new_buffers[] = { 230 EXTRA_NEW_BUFFERS, 231 EXTRA_END 232}; 233 234static const int extra_new_frag_clamp[] = { 235 EXTRA_NEW_FRAG_CLAMP, 236 EXTRA_END 237}; 238 239static const int extra_valid_draw_buffer[] = { 240 EXTRA_VALID_DRAW_BUFFER, 241 EXTRA_END 242}; 243 244static const int extra_valid_texture_unit[] = { 245 EXTRA_VALID_TEXTURE_UNIT, 246 EXTRA_END 247}; 248 249static const int extra_valid_clip_distance[] = { 250 EXTRA_VALID_CLIP_DISTANCE, 251 EXTRA_END 252}; 253 254static const int extra_flush_current_valid_texture_unit[] = { 255 EXTRA_FLUSH_CURRENT, 256 EXTRA_VALID_TEXTURE_UNIT, 257 EXTRA_END 258}; 259 260static const int extra_flush_current[] = { 261 EXTRA_FLUSH_CURRENT, 262 EXTRA_END 263}; 264 265static const int extra_EXT_secondary_color_flush_current[] = { 266 EXT(EXT_secondary_color), 267 EXTRA_FLUSH_CURRENT, 268 EXTRA_END 269}; 270 271static const int extra_EXT_fog_coord_flush_current[] = { 272 EXT(EXT_fog_coord), 273 EXTRA_FLUSH_CURRENT, 274 EXTRA_END 275}; 276 277static const int extra_EXT_texture_integer[] = { 278 EXT(EXT_texture_integer), 279 EXTRA_END 280}; 281 282static const int extra_GLSL_130[] = { 283 EXTRA_GLSL_130, 284 EXTRA_END 285}; 286 287static const int extra_ARB_uniform_buffer_object_and_geometry_shader[] = { 288 EXT(ARB_uniform_buffer_object), 289 EXT(ARB_geometry_shader4), 290 EXTRA_END 291}; 292 293 294EXTRA_EXT(ARB_ES2_compatibility); 295EXTRA_EXT(ARB_texture_cube_map); 296EXTRA_EXT(MESA_texture_array); 297EXTRA_EXT2(EXT_secondary_color, ARB_vertex_program); 298EXTRA_EXT(EXT_secondary_color); 299EXTRA_EXT(EXT_fog_coord); 300EXTRA_EXT(NV_fog_distance); 301EXTRA_EXT(EXT_texture_filter_anisotropic); 302EXTRA_EXT(IBM_rasterpos_clip); 303EXTRA_EXT(NV_point_sprite); 304EXTRA_EXT(NV_vertex_program); 305EXTRA_EXT(NV_fragment_program); 306EXTRA_EXT(NV_texture_rectangle); 307EXTRA_EXT(EXT_stencil_two_side); 308EXTRA_EXT(NV_light_max_exponent); 309EXTRA_EXT(EXT_depth_bounds_test); 310EXTRA_EXT(ARB_depth_clamp); 311EXTRA_EXT(ATI_fragment_shader); 312EXTRA_EXT(EXT_framebuffer_blit); 313EXTRA_EXT(ARB_shader_objects); 314EXTRA_EXT(EXT_provoking_vertex); 315EXTRA_EXT(ARB_fragment_shader); 316EXTRA_EXT(ARB_fragment_program); 317EXTRA_EXT2(ARB_framebuffer_object, EXT_framebuffer_multisample); 318EXTRA_EXT(EXT_framebuffer_object); 319EXTRA_EXT(APPLE_vertex_array_object); 320EXTRA_EXT(ARB_seamless_cube_map); 321EXTRA_EXT(EXT_compiled_vertex_array); 322EXTRA_EXT(ARB_sync); 323EXTRA_EXT(ARB_vertex_shader); 324EXTRA_EXT(EXT_transform_feedback); 325EXTRA_EXT(ARB_transform_feedback2); 326EXTRA_EXT(ARB_transform_feedback3); 327EXTRA_EXT(EXT_pixel_buffer_object); 328EXTRA_EXT(ARB_vertex_program); 329EXTRA_EXT2(NV_point_sprite, ARB_point_sprite); 330EXTRA_EXT2(ARB_fragment_program, NV_fragment_program); 331EXTRA_EXT2(ARB_vertex_program, NV_vertex_program); 332EXTRA_EXT2(ARB_vertex_program, ARB_fragment_program); 333EXTRA_EXT(ARB_geometry_shader4); 334EXTRA_EXT(ARB_color_buffer_float); 335EXTRA_EXT(ARB_copy_buffer); 336EXTRA_EXT(EXT_framebuffer_sRGB); 337EXTRA_EXT(ARB_texture_buffer_object); 338EXTRA_EXT(OES_EGL_image_external); 339EXTRA_EXT(ARB_blend_func_extended); 340EXTRA_EXT(ARB_uniform_buffer_object); 341EXTRA_EXT(ARB_timer_query); 342 343static const int 344extra_ARB_vertex_program_ARB_fragment_program_NV_vertex_program[] = { 345 EXT(ARB_vertex_program), 346 EXT(ARB_fragment_program), 347 EXT(NV_vertex_program), 348 EXTRA_END 349}; 350 351static const int 352extra_NV_vertex_program_ARB_vertex_program_ARB_fragment_program_NV_vertex_program[] = { 353 EXT(NV_vertex_program), 354 EXT(ARB_vertex_program), 355 EXT(ARB_fragment_program), 356 EXT(NV_vertex_program), 357 EXTRA_END 358}; 359 360static const int 361extra_NV_primitive_restart[] = { 362 EXT(NV_primitive_restart), 363 EXTRA_END 364}; 365 366static const int extra_version_30[] = { EXTRA_VERSION_30, EXTRA_END }; 367static const int extra_version_31[] = { EXTRA_VERSION_31, EXTRA_END }; 368static const int extra_version_32[] = { EXTRA_VERSION_32, EXTRA_END }; 369 370static const int 371extra_ARB_vertex_program_api_es2[] = { 372 EXT(ARB_vertex_program), 373 EXTRA_API_ES2, 374 EXTRA_END 375}; 376 377/* The ReadBuffer get token is valid under either full GL or under 378 * GLES2 if the NV_read_buffer extension is available. */ 379static const int 380extra_NV_read_buffer_api_gl[] = { 381 EXT(NV_read_buffer), 382 EXTRA_API_GL, 383 EXTRA_END 384}; 385 386#define API_OPENGL_BIT (1 << API_OPENGL) 387#define API_OPENGLES_BIT (1 << API_OPENGLES) 388#define API_OPENGLES2_BIT (1 << API_OPENGLES2) 389#define API_OPENGL_CORE_BIT (1 << API_OPENGL_CORE) 390 391/* This is the big table describing all the enums we accept in 392 * glGet*v(). The table is partitioned into six parts: enums 393 * understood by all GL APIs (OpenGL, GLES and GLES2), enums shared 394 * between OpenGL and GLES, enums exclusive to GLES, etc for the 395 * remaining combinations. When we add the enums to the hash table in 396 * _mesa_init_get_hash(), we only add the enums for the API we're 397 * instantiating and the different sections are guarded by #if 398 * FEATURE_GL etc to make sure we only compile in the enums we may 399 * need. */ 400 401static const struct value_desc values[] = { 402 /* Enums shared between OpenGL, GLES1 and GLES2 */ 403 { 0, 0, TYPE_API_MASK, 404 API_OPENGL_BIT | API_OPENGLES_BIT | API_OPENGLES2_BIT | 405 API_OPENGL_CORE_BIT, 406 NO_EXTRA}, 407 { GL_ALPHA_BITS, BUFFER_INT(Visual.alphaBits), extra_new_buffers }, 408 { GL_BLEND, CONTEXT_BIT0(Color.BlendEnabled), NO_EXTRA }, 409 { GL_BLEND_SRC, CONTEXT_ENUM(Color.Blend[0].SrcRGB), NO_EXTRA }, 410 { GL_BLUE_BITS, BUFFER_INT(Visual.blueBits), extra_new_buffers }, 411 { GL_COLOR_CLEAR_VALUE, LOC_CUSTOM, TYPE_FLOATN_4, 0, extra_new_frag_clamp }, 412 { GL_COLOR_WRITEMASK, LOC_CUSTOM, TYPE_INT_4, 0, NO_EXTRA }, 413 { GL_CULL_FACE, CONTEXT_BOOL(Polygon.CullFlag), NO_EXTRA }, 414 { GL_CULL_FACE_MODE, CONTEXT_ENUM(Polygon.CullFaceMode), NO_EXTRA }, 415 { GL_DEPTH_BITS, BUFFER_INT(Visual.depthBits), NO_EXTRA }, 416 { GL_DEPTH_CLEAR_VALUE, CONTEXT_FIELD(Depth.Clear, TYPE_DOUBLEN), NO_EXTRA }, 417 { GL_DEPTH_FUNC, CONTEXT_ENUM(Depth.Func), NO_EXTRA }, 418 { GL_DEPTH_RANGE, CONTEXT_FIELD(Viewport.Near, TYPE_FLOATN_2), NO_EXTRA }, 419 { GL_DEPTH_TEST, CONTEXT_BOOL(Depth.Test), NO_EXTRA }, 420 { GL_DEPTH_WRITEMASK, CONTEXT_BOOL(Depth.Mask), NO_EXTRA }, 421 { GL_DITHER, CONTEXT_BOOL(Color.DitherFlag), NO_EXTRA }, 422 { GL_FRONT_FACE, CONTEXT_ENUM(Polygon.FrontFace), NO_EXTRA }, 423 { GL_GREEN_BITS, BUFFER_INT(Visual.greenBits), extra_new_buffers }, 424 { GL_LINE_WIDTH, CONTEXT_FLOAT(Line.Width), NO_EXTRA }, 425 { GL_ALIASED_LINE_WIDTH_RANGE, CONTEXT_FLOAT2(Const.MinLineWidth), NO_EXTRA }, 426 { GL_MAX_ELEMENTS_VERTICES, CONTEXT_INT(Const.MaxArrayLockSize), NO_EXTRA }, 427 { GL_MAX_ELEMENTS_INDICES, CONTEXT_INT(Const.MaxArrayLockSize), NO_EXTRA }, 428 { GL_MAX_TEXTURE_SIZE, LOC_CUSTOM, TYPE_INT, 429 offsetof(struct gl_context, Const.MaxTextureLevels), NO_EXTRA }, 430 { GL_MAX_VIEWPORT_DIMS, CONTEXT_INT2(Const.MaxViewportWidth), NO_EXTRA }, 431 { GL_PACK_ALIGNMENT, CONTEXT_INT(Pack.Alignment), NO_EXTRA }, 432 { GL_ALIASED_POINT_SIZE_RANGE, CONTEXT_FLOAT2(Const.MinPointSize), NO_EXTRA }, 433 { GL_POLYGON_OFFSET_FACTOR, CONTEXT_FLOAT(Polygon.OffsetFactor ), NO_EXTRA }, 434 { GL_POLYGON_OFFSET_UNITS, CONTEXT_FLOAT(Polygon.OffsetUnits ), NO_EXTRA }, 435 { GL_POLYGON_OFFSET_FILL, CONTEXT_BOOL(Polygon.OffsetFill), NO_EXTRA }, 436 { GL_RED_BITS, BUFFER_INT(Visual.redBits), extra_new_buffers }, 437 { GL_SCISSOR_BOX, LOC_CUSTOM, TYPE_INT_4, 0, NO_EXTRA }, 438 { GL_SCISSOR_TEST, CONTEXT_BOOL(Scissor.Enabled), NO_EXTRA }, 439 { GL_STENCIL_BITS, BUFFER_INT(Visual.stencilBits), NO_EXTRA }, 440 { GL_STENCIL_CLEAR_VALUE, CONTEXT_INT(Stencil.Clear), NO_EXTRA }, 441 { GL_STENCIL_FAIL, LOC_CUSTOM, TYPE_ENUM, NO_OFFSET, NO_EXTRA }, 442 { GL_STENCIL_FUNC, LOC_CUSTOM, TYPE_ENUM, NO_OFFSET, NO_EXTRA }, 443 { GL_STENCIL_PASS_DEPTH_FAIL, LOC_CUSTOM, TYPE_ENUM, NO_OFFSET, NO_EXTRA }, 444 { GL_STENCIL_PASS_DEPTH_PASS, LOC_CUSTOM, TYPE_ENUM, NO_OFFSET, NO_EXTRA }, 445 { GL_STENCIL_REF, LOC_CUSTOM, TYPE_INT, NO_OFFSET, NO_EXTRA }, 446 { GL_STENCIL_TEST, CONTEXT_BOOL(Stencil.Enabled), NO_EXTRA }, 447 { GL_STENCIL_VALUE_MASK, LOC_CUSTOM, TYPE_INT, NO_OFFSET, NO_EXTRA }, 448 { GL_STENCIL_WRITEMASK, LOC_CUSTOM, TYPE_INT, NO_OFFSET, NO_EXTRA }, 449 { GL_SUBPIXEL_BITS, CONTEXT_INT(Const.SubPixelBits), NO_EXTRA }, 450 { GL_TEXTURE_BINDING_2D, LOC_CUSTOM, TYPE_INT, TEXTURE_2D_INDEX, NO_EXTRA }, 451 { GL_UNPACK_ALIGNMENT, CONTEXT_INT(Unpack.Alignment), NO_EXTRA }, 452 { GL_VIEWPORT, LOC_CUSTOM, TYPE_INT_4, 0, NO_EXTRA }, 453 454 /* GL_ARB_multitexture */ 455 { GL_ACTIVE_TEXTURE, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA }, 456 457 /* Note that all the OES_* extensions require that the Mesa "struct 458 * gl_extensions" include a member with the name of the extension. 459 * That structure does not yet include OES extensions (and we're 460 * not sure whether it will). If it does, all the OES_* 461 * extensions below should mark the dependency. */ 462 463 /* GL_ARB_texture_cube_map */ 464 { GL_TEXTURE_BINDING_CUBE_MAP_ARB, LOC_CUSTOM, TYPE_INT, 465 TEXTURE_CUBE_INDEX, extra_ARB_texture_cube_map }, 466 { GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB, LOC_CUSTOM, TYPE_INT, 467 offsetof(struct gl_context, Const.MaxCubeTextureLevels), 468 extra_ARB_texture_cube_map }, /* XXX: OES_texture_cube_map */ 469 470 /* XXX: OES_blend_subtract */ 471 { GL_BLEND_SRC_RGB_EXT, CONTEXT_ENUM(Color.Blend[0].SrcRGB), NO_EXTRA }, 472 { GL_BLEND_DST_RGB_EXT, CONTEXT_ENUM(Color.Blend[0].DstRGB), NO_EXTRA }, 473 { GL_BLEND_SRC_ALPHA_EXT, CONTEXT_ENUM(Color.Blend[0].SrcA), NO_EXTRA }, 474 { GL_BLEND_DST_ALPHA_EXT, CONTEXT_ENUM(Color.Blend[0].DstA), NO_EXTRA }, 475 476 /* GL_BLEND_EQUATION_RGB, which is what we're really after, is 477 * defined identically to GL_BLEND_EQUATION. */ 478 { GL_BLEND_EQUATION, CONTEXT_ENUM(Color.Blend[0].EquationRGB), NO_EXTRA }, 479 { GL_BLEND_EQUATION_ALPHA_EXT, CONTEXT_ENUM(Color.Blend[0].EquationA), NO_EXTRA }, 480 481 /* GL_ARB_texture_compression */ 482 { GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA }, 483 { GL_COMPRESSED_TEXTURE_FORMATS_ARB, LOC_CUSTOM, TYPE_INT_N, 0, NO_EXTRA }, 484 485 /* GL_ARB_multisample */ 486 { GL_SAMPLE_ALPHA_TO_COVERAGE_ARB, 487 CONTEXT_BOOL(Multisample.SampleAlphaToCoverage), NO_EXTRA }, 488 { GL_SAMPLE_COVERAGE_ARB, CONTEXT_BOOL(Multisample.SampleCoverage), NO_EXTRA }, 489 { GL_SAMPLE_COVERAGE_VALUE_ARB, 490 CONTEXT_FLOAT(Multisample.SampleCoverageValue), NO_EXTRA }, 491 { GL_SAMPLE_COVERAGE_INVERT_ARB, 492 CONTEXT_BOOL(Multisample.SampleCoverageInvert), NO_EXTRA }, 493 { GL_SAMPLE_BUFFERS_ARB, BUFFER_INT(Visual.sampleBuffers), NO_EXTRA }, 494 { GL_SAMPLES_ARB, BUFFER_INT(Visual.samples), NO_EXTRA }, 495 496 /* GL_SGIS_generate_mipmap */ 497 { GL_GENERATE_MIPMAP_HINT_SGIS, CONTEXT_ENUM(Hint.GenerateMipmap), NO_EXTRA }, 498 499 /* GL_ARB_vertex_buffer_object */ 500 { GL_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA }, 501 502 /* GL_ARB_vertex_buffer_object */ 503 /* GL_WEIGHT_ARRAY_BUFFER_BINDING_ARB - not supported */ 504 { GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA }, 505 506 /* GL_ARB_color_buffer_float */ 507 { GL_CLAMP_VERTEX_COLOR, CONTEXT_ENUM(Light.ClampVertexColor), extra_ARB_color_buffer_float }, 508 { GL_CLAMP_FRAGMENT_COLOR, CONTEXT_ENUM(Color.ClampFragmentColor), extra_ARB_color_buffer_float }, 509 { GL_CLAMP_READ_COLOR, CONTEXT_ENUM(Color.ClampReadColor), extra_ARB_color_buffer_float }, 510 511 /* GL_ARB_copy_buffer */ 512 { GL_COPY_READ_BUFFER, LOC_CUSTOM, TYPE_INT, 0, extra_ARB_copy_buffer }, 513 { GL_COPY_WRITE_BUFFER, LOC_CUSTOM, TYPE_INT, 0, extra_ARB_copy_buffer }, 514 515 /* GL_OES_read_format */ 516 { GL_IMPLEMENTATION_COLOR_READ_TYPE_OES, LOC_CUSTOM, TYPE_INT, 0, 517 extra_new_buffers }, 518 { GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES, LOC_CUSTOM, TYPE_INT, 0, 519 extra_new_buffers }, 520 521 /* GL_EXT_framebuffer_object */ 522 { GL_FRAMEBUFFER_BINDING_EXT, BUFFER_INT(Name), 523 extra_EXT_framebuffer_object }, 524 { GL_RENDERBUFFER_BINDING_EXT, LOC_CUSTOM, TYPE_INT, 0, 525 extra_EXT_framebuffer_object }, 526 { GL_MAX_RENDERBUFFER_SIZE_EXT, CONTEXT_INT(Const.MaxRenderbufferSize), 527 extra_EXT_framebuffer_object }, 528 529 /* This entry isn't spec'ed for GLES 2, but is needed for Mesa's 530 * GLSL: */ 531 { GL_MAX_CLIP_PLANES, CONTEXT_INT(Const.MaxClipPlanes), NO_EXTRA }, 532 533#if FEATURE_GL || FEATURE_ES1 534 /* Enums in OpenGL and GLES1 */ 535 { 0, 0, TYPE_API_MASK, API_OPENGL_BIT | API_OPENGLES_BIT | API_OPENGL_CORE_BIT, NO_EXTRA }, 536 { GL_MAX_LIGHTS, CONTEXT_INT(Const.MaxLights), NO_EXTRA }, 537 { GL_LIGHT0, CONTEXT_BOOL(Light.Light[0].Enabled), NO_EXTRA }, 538 { GL_LIGHT1, CONTEXT_BOOL(Light.Light[1].Enabled), NO_EXTRA }, 539 { GL_LIGHT2, CONTEXT_BOOL(Light.Light[2].Enabled), NO_EXTRA }, 540 { GL_LIGHT3, CONTEXT_BOOL(Light.Light[3].Enabled), NO_EXTRA }, 541 { GL_LIGHT4, CONTEXT_BOOL(Light.Light[4].Enabled), NO_EXTRA }, 542 { GL_LIGHT5, CONTEXT_BOOL(Light.Light[5].Enabled), NO_EXTRA }, 543 { GL_LIGHT6, CONTEXT_BOOL(Light.Light[6].Enabled), NO_EXTRA }, 544 { GL_LIGHT7, CONTEXT_BOOL(Light.Light[7].Enabled), NO_EXTRA }, 545 { GL_LIGHTING, CONTEXT_BOOL(Light.Enabled), NO_EXTRA }, 546 { GL_LIGHT_MODEL_AMBIENT, 547 CONTEXT_FIELD(Light.Model.Ambient[0], TYPE_FLOATN_4), NO_EXTRA }, 548 { GL_LIGHT_MODEL_TWO_SIDE, CONTEXT_BOOL(Light.Model.TwoSide), NO_EXTRA }, 549 { GL_ALPHA_TEST, CONTEXT_BOOL(Color.AlphaEnabled), NO_EXTRA }, 550 { GL_ALPHA_TEST_FUNC, CONTEXT_ENUM(Color.AlphaFunc), NO_EXTRA }, 551 { GL_ALPHA_TEST_REF, LOC_CUSTOM, TYPE_FLOATN, 0, extra_new_frag_clamp }, 552 { GL_BLEND_DST, CONTEXT_ENUM(Color.Blend[0].DstRGB), NO_EXTRA }, 553 { GL_CLIP_DISTANCE0, CONTEXT_BIT0(Transform.ClipPlanesEnabled), extra_valid_clip_distance }, 554 { GL_CLIP_DISTANCE1, CONTEXT_BIT1(Transform.ClipPlanesEnabled), extra_valid_clip_distance }, 555 { GL_CLIP_DISTANCE2, CONTEXT_BIT2(Transform.ClipPlanesEnabled), extra_valid_clip_distance }, 556 { GL_CLIP_DISTANCE3, CONTEXT_BIT3(Transform.ClipPlanesEnabled), extra_valid_clip_distance }, 557 { GL_CLIP_DISTANCE4, CONTEXT_BIT4(Transform.ClipPlanesEnabled), extra_valid_clip_distance }, 558 { GL_CLIP_DISTANCE5, CONTEXT_BIT5(Transform.ClipPlanesEnabled), extra_valid_clip_distance }, 559 { GL_CLIP_DISTANCE6, CONTEXT_BIT6(Transform.ClipPlanesEnabled), extra_valid_clip_distance }, 560 { GL_CLIP_DISTANCE7, CONTEXT_BIT7(Transform.ClipPlanesEnabled), extra_valid_clip_distance }, 561 { GL_COLOR_MATERIAL, CONTEXT_BOOL(Light.ColorMaterialEnabled), NO_EXTRA }, 562 { GL_CURRENT_COLOR, 563 CONTEXT_FIELD(Current.Attrib[VERT_ATTRIB_COLOR0][0], TYPE_FLOATN_4), 564 extra_flush_current }, 565 { GL_CURRENT_NORMAL, 566 CONTEXT_FIELD(Current.Attrib[VERT_ATTRIB_NORMAL][0], TYPE_FLOATN_3), 567 extra_flush_current }, 568 { GL_CURRENT_TEXTURE_COORDS, LOC_CUSTOM, TYPE_FLOAT_4, 0, 569 extra_flush_current_valid_texture_unit }, 570 { GL_DISTANCE_ATTENUATION_EXT, CONTEXT_FLOAT3(Point.Params[0]), NO_EXTRA }, 571 { GL_FOG, CONTEXT_BOOL(Fog.Enabled), NO_EXTRA }, 572 { GL_FOG_COLOR, LOC_CUSTOM, TYPE_FLOATN_4, 0, extra_new_frag_clamp }, 573 { GL_FOG_DENSITY, CONTEXT_FLOAT(Fog.Density), NO_EXTRA }, 574 { GL_FOG_END, CONTEXT_FLOAT(Fog.End), NO_EXTRA }, 575 { GL_FOG_HINT, CONTEXT_ENUM(Hint.Fog), NO_EXTRA }, 576 { GL_FOG_MODE, CONTEXT_ENUM(Fog.Mode), NO_EXTRA }, 577 { GL_FOG_START, CONTEXT_FLOAT(Fog.Start), NO_EXTRA }, 578 { GL_LINE_SMOOTH, CONTEXT_BOOL(Line.SmoothFlag), NO_EXTRA }, 579 { GL_LINE_SMOOTH_HINT, CONTEXT_ENUM(Hint.LineSmooth), NO_EXTRA }, 580 { GL_LINE_WIDTH_RANGE, CONTEXT_FLOAT2(Const.MinLineWidthAA), NO_EXTRA }, 581 { GL_COLOR_LOGIC_OP, CONTEXT_BOOL(Color.ColorLogicOpEnabled), NO_EXTRA }, 582 { GL_LOGIC_OP_MODE, CONTEXT_ENUM(Color.LogicOp), NO_EXTRA }, 583 { GL_MATRIX_MODE, CONTEXT_ENUM(Transform.MatrixMode), NO_EXTRA }, 584 { GL_MAX_MODELVIEW_STACK_DEPTH, CONST(MAX_MODELVIEW_STACK_DEPTH), NO_EXTRA }, 585 { GL_MAX_PROJECTION_STACK_DEPTH, CONST(MAX_PROJECTION_STACK_DEPTH), NO_EXTRA }, 586 { GL_MAX_TEXTURE_STACK_DEPTH, CONST(MAX_TEXTURE_STACK_DEPTH), NO_EXTRA }, 587 { GL_MODELVIEW_MATRIX, CONTEXT_MATRIX(ModelviewMatrixStack.Top), NO_EXTRA }, 588 { GL_MODELVIEW_STACK_DEPTH, LOC_CUSTOM, TYPE_INT, 589 offsetof(struct gl_context, ModelviewMatrixStack.Depth), NO_EXTRA }, 590 { GL_NORMALIZE, CONTEXT_BOOL(Transform.Normalize), NO_EXTRA }, 591 { GL_PACK_SKIP_IMAGES_EXT, CONTEXT_INT(Pack.SkipImages), NO_EXTRA }, 592 { GL_PERSPECTIVE_CORRECTION_HINT, CONTEXT_ENUM(Hint.PerspectiveCorrection), NO_EXTRA }, 593 { GL_POINT_SIZE, CONTEXT_FLOAT(Point.Size), NO_EXTRA }, 594 { GL_POINT_SIZE_RANGE, CONTEXT_FLOAT2(Const.MinPointSizeAA), NO_EXTRA }, 595 { GL_POINT_SMOOTH, CONTEXT_BOOL(Point.SmoothFlag), NO_EXTRA }, 596 { GL_POINT_SMOOTH_HINT, CONTEXT_ENUM(Hint.PointSmooth), NO_EXTRA }, 597 { GL_POINT_SIZE_MIN_EXT, CONTEXT_FLOAT(Point.MinSize), NO_EXTRA }, 598 { GL_POINT_SIZE_MAX_EXT, CONTEXT_FLOAT(Point.MaxSize), NO_EXTRA }, 599 { GL_POINT_FADE_THRESHOLD_SIZE_EXT, CONTEXT_FLOAT(Point.Threshold), NO_EXTRA }, 600 { GL_PROJECTION_MATRIX, CONTEXT_MATRIX(ProjectionMatrixStack.Top), NO_EXTRA }, 601 { GL_PROJECTION_STACK_DEPTH, LOC_CUSTOM, TYPE_INT, 602 offsetof(struct gl_context, ProjectionMatrixStack.Depth), NO_EXTRA }, 603 { GL_RESCALE_NORMAL, CONTEXT_BOOL(Transform.RescaleNormals), NO_EXTRA }, 604 { GL_SHADE_MODEL, CONTEXT_ENUM(Light.ShadeModel), NO_EXTRA }, 605 { GL_TEXTURE_2D, LOC_CUSTOM, TYPE_BOOLEAN, 0, NO_EXTRA }, 606 { GL_TEXTURE_MATRIX, LOC_CUSTOM, TYPE_MATRIX, 0, extra_valid_texture_unit }, 607 { GL_TEXTURE_STACK_DEPTH, LOC_CUSTOM, TYPE_INT, 0, 608 extra_valid_texture_unit }, 609 610 { GL_VERTEX_ARRAY, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_POS].Enabled), NO_EXTRA }, 611 { GL_VERTEX_ARRAY_SIZE, ARRAY_INT(VertexAttrib[VERT_ATTRIB_POS].Size), NO_EXTRA }, 612 { GL_VERTEX_ARRAY_TYPE, ARRAY_ENUM(VertexAttrib[VERT_ATTRIB_POS].Type), NO_EXTRA }, 613 { GL_VERTEX_ARRAY_STRIDE, ARRAY_INT(VertexAttrib[VERT_ATTRIB_POS].Stride), NO_EXTRA }, 614 { GL_NORMAL_ARRAY, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_NORMAL].Enabled), NO_EXTRA }, 615 { GL_NORMAL_ARRAY_TYPE, ARRAY_ENUM(VertexAttrib[VERT_ATTRIB_NORMAL].Type), NO_EXTRA }, 616 { GL_NORMAL_ARRAY_STRIDE, ARRAY_INT(VertexAttrib[VERT_ATTRIB_NORMAL].Stride), NO_EXTRA }, 617 { GL_COLOR_ARRAY, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_COLOR0].Enabled), NO_EXTRA }, 618 { GL_COLOR_ARRAY_SIZE, ARRAY_INT(VertexAttrib[VERT_ATTRIB_COLOR0].Size), NO_EXTRA }, 619 { GL_COLOR_ARRAY_TYPE, ARRAY_ENUM(VertexAttrib[VERT_ATTRIB_COLOR0].Type), NO_EXTRA }, 620 { GL_COLOR_ARRAY_STRIDE, ARRAY_INT(VertexAttrib[VERT_ATTRIB_COLOR0].Stride), NO_EXTRA }, 621 { GL_TEXTURE_COORD_ARRAY, 622 LOC_CUSTOM, TYPE_BOOLEAN, offsetof(struct gl_client_array, Enabled), NO_EXTRA }, 623 { GL_TEXTURE_COORD_ARRAY_SIZE, 624 LOC_CUSTOM, TYPE_INT, offsetof(struct gl_client_array, Size), NO_EXTRA }, 625 { GL_TEXTURE_COORD_ARRAY_TYPE, 626 LOC_CUSTOM, TYPE_ENUM, offsetof(struct gl_client_array, Type), NO_EXTRA }, 627 { GL_TEXTURE_COORD_ARRAY_STRIDE, 628 LOC_CUSTOM, TYPE_INT, offsetof(struct gl_client_array, Stride), NO_EXTRA }, 629 630 /* GL_ARB_ES2_compatibility */ 631 { GL_SHADER_COMPILER, CONST(1), extra_ARB_ES2_compatibility }, 632 { GL_MAX_VARYING_VECTORS, CONTEXT_INT(Const.MaxVarying), 633 extra_ARB_ES2_compatibility }, 634 { GL_MAX_VERTEX_UNIFORM_VECTORS, LOC_CUSTOM, TYPE_INT, 0, 635 extra_ARB_ES2_compatibility }, 636 { GL_MAX_FRAGMENT_UNIFORM_VECTORS, LOC_CUSTOM, TYPE_INT, 0, 637 extra_ARB_ES2_compatibility }, 638 639 /* GL_ARB_multitexture */ 640 { GL_MAX_TEXTURE_UNITS, CONTEXT_INT(Const.MaxTextureUnits), NO_EXTRA }, 641 { GL_CLIENT_ACTIVE_TEXTURE, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA }, 642 643 /* GL_ARB_texture_cube_map */ 644 { GL_TEXTURE_CUBE_MAP_ARB, LOC_CUSTOM, TYPE_BOOLEAN, 0, NO_EXTRA }, 645 /* S, T, and R are always set at the same time */ 646 { GL_TEXTURE_GEN_STR_OES, LOC_TEXUNIT, TYPE_BIT_0, 647 offsetof(struct gl_texture_unit, TexGenEnabled), NO_EXTRA }, 648 649 /* GL_ARB_multisample */ 650 { GL_MULTISAMPLE_ARB, CONTEXT_BOOL(Multisample.Enabled), NO_EXTRA }, 651 { GL_SAMPLE_ALPHA_TO_ONE_ARB, CONTEXT_BOOL(Multisample.SampleAlphaToOne), NO_EXTRA }, 652 653 /* GL_ARB_vertex_buffer_object */ 654 { GL_VERTEX_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT, 655 offsetof(struct gl_array_object, VertexAttrib[VERT_ATTRIB_POS].BufferObj), NO_EXTRA }, 656 { GL_NORMAL_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT, 657 offsetof(struct gl_array_object, VertexAttrib[VERT_ATTRIB_NORMAL].BufferObj), NO_EXTRA }, 658 { GL_COLOR_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT, 659 offsetof(struct gl_array_object, VertexAttrib[VERT_ATTRIB_COLOR0].BufferObj), NO_EXTRA }, 660 { GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT, NO_OFFSET, NO_EXTRA }, 661 662 /* GL_OES_point_sprite */ 663 { GL_POINT_SPRITE_NV, 664 CONTEXT_BOOL(Point.PointSprite), 665 extra_NV_point_sprite_ARB_point_sprite }, 666 667 /* GL_ARB_fragment_shader */ 668 { GL_MAX_FRAGMENT_UNIFORM_COMPONENTS_ARB, 669 CONTEXT_INT(Const.FragmentProgram.MaxUniformComponents), 670 extra_ARB_fragment_shader }, 671 672 /* GL_ARB_vertex_shader */ 673 { GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB, 674 CONTEXT_INT(Const.VertexProgram.MaxUniformComponents), 675 extra_ARB_vertex_shader }, 676 { GL_MAX_VARYING_FLOATS_ARB, LOC_CUSTOM, TYPE_INT, 0, 677 extra_ARB_vertex_shader }, 678 679 /* GL_EXT_texture_lod_bias */ 680 { GL_MAX_TEXTURE_LOD_BIAS_EXT, CONTEXT_FLOAT(Const.MaxTextureLodBias), 681 NO_EXTRA }, 682 683 /* GL_EXT_texture_filter_anisotropic */ 684 { GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, 685 CONTEXT_FLOAT(Const.MaxTextureMaxAnisotropy), 686 extra_EXT_texture_filter_anisotropic }, 687#endif /* FEATURE_GL || FEATURE_ES1 */ 688 689#if FEATURE_ES1 690 { 0, 0, TYPE_API_MASK, API_OPENGLES_BIT }, 691 /* XXX: OES_matrix_get */ 692 { GL_MODELVIEW_MATRIX_FLOAT_AS_INT_BITS_OES }, 693 { GL_PROJECTION_MATRIX_FLOAT_AS_INT_BITS_OES }, 694 { GL_TEXTURE_MATRIX_FLOAT_AS_INT_BITS_OES }, 695 696 /* OES_point_size_array */ 697 { GL_POINT_SIZE_ARRAY_OES, ARRAY_FIELD(VertexAttrib[VERT_ATTRIB_POINT_SIZE].Enabled, TYPE_BOOLEAN) }, 698 { GL_POINT_SIZE_ARRAY_TYPE_OES, ARRAY_FIELD(VertexAttrib[VERT_ATTRIB_POINT_SIZE].Type, TYPE_ENUM) }, 699 { GL_POINT_SIZE_ARRAY_STRIDE_OES, ARRAY_FIELD(VertexAttrib[VERT_ATTRIB_POINT_SIZE].Stride, TYPE_INT) }, 700 { GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES, LOC_CUSTOM, TYPE_INT, 0 }, 701#endif /* FEATURE_ES1 */ 702 703#if FEATURE_GL || FEATURE_ES2 704 { 0, 0, TYPE_API_MASK, API_OPENGL_BIT | API_OPENGLES2_BIT, NO_EXTRA }, 705 { GL_MAX_TEXTURE_COORDS_ARB, /* == GL_MAX_TEXTURE_COORDS_NV */ 706 CONTEXT_INT(Const.MaxTextureCoordUnits), 707 extra_ARB_fragment_program_NV_fragment_program }, 708 { GL_PACK_IMAGE_HEIGHT_EXT, CONTEXT_INT(Pack.ImageHeight), NO_EXTRA }, 709 { GL_PACK_ROW_LENGTH, CONTEXT_INT(Pack.RowLength), NO_EXTRA }, 710 { GL_PACK_SKIP_PIXELS, CONTEXT_INT(Pack.SkipPixels), NO_EXTRA }, 711 { GL_PACK_SKIP_ROWS, CONTEXT_INT(Pack.SkipRows), NO_EXTRA }, 712 { GL_UNPACK_ROW_LENGTH, CONTEXT_INT(Unpack.RowLength), NO_EXTRA }, 713 { GL_UNPACK_SKIP_PIXELS, CONTEXT_INT(Unpack.SkipPixels), NO_EXTRA }, 714 { GL_UNPACK_SKIP_ROWS, CONTEXT_INT(Unpack.SkipRows), NO_EXTRA }, 715 { GL_UNPACK_SKIP_IMAGES_EXT, CONTEXT_INT(Unpack.SkipImages), NO_EXTRA }, 716 { GL_UNPACK_IMAGE_HEIGHT_EXT, CONTEXT_INT(Unpack.ImageHeight), NO_EXTRA }, 717 718 /* GL_ARB_draw_buffers */ 719 { GL_MAX_DRAW_BUFFERS_ARB, CONTEXT_INT(Const.MaxDrawBuffers), NO_EXTRA }, 720 721 /* GL_EXT_framebuffer_object / GL_NV_fbo_color_attachments */ 722 { GL_MAX_COLOR_ATTACHMENTS, CONTEXT_INT(Const.MaxColorAttachments), 723 extra_EXT_framebuffer_object }, 724 725 /* GL_ARB_draw_buffers / GL_NV_draw_buffers (for ES 2.0) */ 726 { GL_DRAW_BUFFER0_ARB, BUFFER_ENUM(ColorDrawBuffer[0]), NO_EXTRA }, 727 { GL_DRAW_BUFFER1_ARB, BUFFER_ENUM(ColorDrawBuffer[1]), 728 extra_valid_draw_buffer }, 729 { GL_DRAW_BUFFER2_ARB, BUFFER_ENUM(ColorDrawBuffer[2]), 730 extra_valid_draw_buffer }, 731 { GL_DRAW_BUFFER3_ARB, BUFFER_ENUM(ColorDrawBuffer[3]), 732 extra_valid_draw_buffer }, 733 { GL_DRAW_BUFFER4_ARB, BUFFER_ENUM(ColorDrawBuffer[4]), 734 extra_valid_draw_buffer }, 735 { GL_DRAW_BUFFER5_ARB, BUFFER_ENUM(ColorDrawBuffer[5]), 736 extra_valid_draw_buffer }, 737 { GL_DRAW_BUFFER6_ARB, BUFFER_ENUM(ColorDrawBuffer[6]), 738 extra_valid_draw_buffer }, 739 { GL_DRAW_BUFFER7_ARB, BUFFER_ENUM(ColorDrawBuffer[7]), 740 extra_valid_draw_buffer }, 741 742 { GL_BLEND_COLOR_EXT, LOC_CUSTOM, TYPE_FLOATN_4, 0, extra_new_frag_clamp }, 743 /* GL_ARB_fragment_program */ 744 { GL_MAX_TEXTURE_IMAGE_UNITS_ARB, /* == GL_MAX_TEXTURE_IMAGE_UNITS_NV */ 745 CONTEXT_INT(Const.MaxTextureImageUnits), 746 extra_ARB_fragment_program_NV_fragment_program }, 747 { GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB, 748 CONTEXT_INT(Const.MaxVertexTextureImageUnits), extra_ARB_vertex_shader }, 749 { GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS_ARB, 750 CONTEXT_INT(Const.MaxCombinedTextureImageUnits), 751 extra_ARB_vertex_shader }, 752 753 /* GL_ARB_shader_objects 754 * Actually, this token isn't part of GL_ARB_shader_objects, but is 755 * close enough for now. */ 756 { GL_CURRENT_PROGRAM, LOC_CUSTOM, TYPE_INT, 0, extra_ARB_shader_objects }, 757 758 /* OpenGL 2.0 */ 759 { GL_STENCIL_BACK_FUNC, CONTEXT_ENUM(Stencil.Function[1]), NO_EXTRA }, 760 { GL_STENCIL_BACK_VALUE_MASK, CONTEXT_INT(Stencil.ValueMask[1]), NO_EXTRA }, 761 { GL_STENCIL_BACK_WRITEMASK, CONTEXT_INT(Stencil.WriteMask[1]), NO_EXTRA }, 762 { GL_STENCIL_BACK_REF, CONTEXT_INT(Stencil.Ref[1]), NO_EXTRA }, 763 { GL_STENCIL_BACK_FAIL, CONTEXT_ENUM(Stencil.FailFunc[1]), NO_EXTRA }, 764 { GL_STENCIL_BACK_PASS_DEPTH_FAIL, CONTEXT_ENUM(Stencil.ZFailFunc[1]), NO_EXTRA }, 765 { GL_STENCIL_BACK_PASS_DEPTH_PASS, CONTEXT_ENUM(Stencil.ZPassFunc[1]), NO_EXTRA }, 766 767 { GL_MAX_VERTEX_ATTRIBS_ARB, 768 CONTEXT_INT(Const.VertexProgram.MaxAttribs), 769 extra_ARB_vertex_program_api_es2 }, 770 771 /* OES_texture_3D */ 772 { GL_TEXTURE_BINDING_3D, LOC_CUSTOM, TYPE_INT, TEXTURE_3D_INDEX, NO_EXTRA }, 773 { GL_MAX_3D_TEXTURE_SIZE, LOC_CUSTOM, TYPE_INT, 774 offsetof(struct gl_context, Const.Max3DTextureLevels), NO_EXTRA }, 775 776 /* GL_ARB_fragment_program/OES_standard_derivatives */ 777 { GL_FRAGMENT_SHADER_DERIVATIVE_HINT_ARB, 778 CONTEXT_ENUM(Hint.FragmentShaderDerivative), extra_ARB_fragment_shader }, 779 780 /* GL_NV_read_buffer */ 781 { GL_READ_BUFFER, 782 LOC_CUSTOM, TYPE_ENUM, NO_OFFSET, extra_NV_read_buffer_api_gl }, 783 784#endif /* FEATURE_GL || FEATURE_ES2 */ 785 786#if FEATURE_ES2 787 /* Enums unique to OpenGL ES 2.0 */ 788 { 0, 0, TYPE_API_MASK, API_OPENGLES2_BIT, NO_EXTRA }, 789 { GL_MAX_FRAGMENT_UNIFORM_VECTORS, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA }, 790 { GL_MAX_VARYING_VECTORS, CONTEXT_INT(Const.MaxVarying), NO_EXTRA }, 791 { GL_MAX_VERTEX_UNIFORM_VECTORS, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA }, 792 { GL_SHADER_COMPILER, CONST(1), NO_EXTRA }, 793 /* OES_get_program_binary */ 794 { GL_NUM_SHADER_BINARY_FORMATS, CONST(0), NO_EXTRA }, 795 { GL_SHADER_BINARY_FORMATS, CONST(0), NO_EXTRA }, 796#endif /* FEATURE_ES2 */ 797 798 /* GL_OES_EGL_image_external */ 799 { GL_TEXTURE_BINDING_EXTERNAL_OES, LOC_CUSTOM, 800 TYPE_INT, TEXTURE_EXTERNAL_INDEX, extra_OES_EGL_image_external }, 801 { GL_TEXTURE_EXTERNAL_OES, LOC_CUSTOM, 802 TYPE_BOOLEAN, 0, extra_OES_EGL_image_external }, 803 804#if FEATURE_GL 805 /* Remaining enums are only in OpenGL */ 806 { 0, 0, TYPE_API_MASK, API_OPENGL_BIT | API_OPENGL_CORE_BIT, NO_EXTRA }, 807 { GL_ACCUM_RED_BITS, BUFFER_INT(Visual.accumRedBits), NO_EXTRA }, 808 { GL_ACCUM_GREEN_BITS, BUFFER_INT(Visual.accumGreenBits), NO_EXTRA }, 809 { GL_ACCUM_BLUE_BITS, BUFFER_INT(Visual.accumBlueBits), NO_EXTRA }, 810 { GL_ACCUM_ALPHA_BITS, BUFFER_INT(Visual.accumAlphaBits), NO_EXTRA }, 811 { GL_ACCUM_CLEAR_VALUE, CONTEXT_FIELD(Accum.ClearColor[0], TYPE_FLOATN_4), NO_EXTRA }, 812 { GL_ALPHA_BIAS, CONTEXT_FLOAT(Pixel.AlphaBias), NO_EXTRA }, 813 { GL_ALPHA_SCALE, CONTEXT_FLOAT(Pixel.AlphaScale), NO_EXTRA }, 814 { GL_ATTRIB_STACK_DEPTH, CONTEXT_INT(AttribStackDepth), NO_EXTRA }, 815 { GL_AUTO_NORMAL, CONTEXT_BOOL(Eval.AutoNormal), NO_EXTRA }, 816 { GL_AUX_BUFFERS, BUFFER_INT(Visual.numAuxBuffers), NO_EXTRA }, 817 { GL_BLUE_BIAS, CONTEXT_FLOAT(Pixel.BlueBias), NO_EXTRA }, 818 { GL_BLUE_SCALE, CONTEXT_FLOAT(Pixel.BlueScale), NO_EXTRA }, 819 { GL_CLIENT_ATTRIB_STACK_DEPTH, CONTEXT_INT(ClientAttribStackDepth), NO_EXTRA }, 820 { GL_COLOR_MATERIAL_FACE, CONTEXT_ENUM(Light.ColorMaterialFace), NO_EXTRA }, 821 { GL_COLOR_MATERIAL_PARAMETER, CONTEXT_ENUM(Light.ColorMaterialMode), NO_EXTRA }, 822 { GL_CURRENT_INDEX, 823 CONTEXT_FLOAT(Current.Attrib[VERT_ATTRIB_COLOR_INDEX][0]), 824 extra_flush_current }, 825 { GL_CURRENT_RASTER_COLOR, 826 CONTEXT_FIELD(Current.RasterColor[0], TYPE_FLOATN_4), NO_EXTRA }, 827 { GL_CURRENT_RASTER_DISTANCE, CONTEXT_FLOAT(Current.RasterDistance), NO_EXTRA }, 828 { GL_CURRENT_RASTER_INDEX, CONST(1), NO_EXTRA }, 829 { GL_CURRENT_RASTER_POSITION, CONTEXT_FLOAT4(Current.RasterPos[0]), NO_EXTRA }, 830 { GL_CURRENT_RASTER_SECONDARY_COLOR, 831 CONTEXT_FIELD(Current.RasterSecondaryColor[0], TYPE_FLOATN_4), NO_EXTRA }, 832 { GL_CURRENT_RASTER_TEXTURE_COORDS, LOC_CUSTOM, TYPE_FLOAT_4, 0, 833 extra_valid_texture_unit }, 834 { GL_CURRENT_RASTER_POSITION_VALID, CONTEXT_BOOL(Current.RasterPosValid), NO_EXTRA }, 835 { GL_DEPTH_BIAS, CONTEXT_FLOAT(Pixel.DepthBias), NO_EXTRA }, 836 { GL_DEPTH_SCALE, CONTEXT_FLOAT(Pixel.DepthScale), NO_EXTRA }, 837 { GL_DOUBLEBUFFER, BUFFER_INT(Visual.doubleBufferMode), NO_EXTRA }, 838 { GL_DRAW_BUFFER, BUFFER_ENUM(ColorDrawBuffer[0]), NO_EXTRA }, 839 { GL_EDGE_FLAG, LOC_CUSTOM, TYPE_BOOLEAN, 0, NO_EXTRA }, 840 { GL_FEEDBACK_BUFFER_SIZE, CONTEXT_INT(Feedback.BufferSize), NO_EXTRA }, 841 { GL_FEEDBACK_BUFFER_TYPE, CONTEXT_ENUM(Feedback.Type), NO_EXTRA }, 842 { GL_FOG_INDEX, CONTEXT_FLOAT(Fog.Index), NO_EXTRA }, 843 { GL_GREEN_BIAS, CONTEXT_FLOAT(Pixel.GreenBias), NO_EXTRA }, 844 { GL_GREEN_SCALE, CONTEXT_FLOAT(Pixel.GreenScale), NO_EXTRA }, 845 { GL_INDEX_BITS, BUFFER_INT(Visual.indexBits), extra_new_buffers }, 846 { GL_INDEX_CLEAR_VALUE, CONTEXT_INT(Color.ClearIndex), NO_EXTRA }, 847 { GL_INDEX_MODE, CONST(0) , NO_EXTRA}, 848 { GL_INDEX_OFFSET, CONTEXT_INT(Pixel.IndexOffset), NO_EXTRA }, 849 { GL_INDEX_SHIFT, CONTEXT_INT(Pixel.IndexShift), NO_EXTRA }, 850 { GL_INDEX_WRITEMASK, CONTEXT_INT(Color.IndexMask), NO_EXTRA }, 851 { GL_LIGHT_MODEL_COLOR_CONTROL, CONTEXT_ENUM(Light.Model.ColorControl), NO_EXTRA }, 852 { GL_LIGHT_MODEL_LOCAL_VIEWER, CONTEXT_BOOL(Light.Model.LocalViewer), NO_EXTRA }, 853 { GL_LINE_STIPPLE, CONTEXT_BOOL(Line.StippleFlag), NO_EXTRA }, 854 { GL_LINE_STIPPLE_PATTERN, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA }, 855 { GL_LINE_STIPPLE_REPEAT, CONTEXT_INT(Line.StippleFactor), NO_EXTRA }, 856 { GL_LINE_WIDTH_GRANULARITY, CONTEXT_FLOAT(Const.LineWidthGranularity), NO_EXTRA }, 857 { GL_LIST_BASE, CONTEXT_INT(List.ListBase), NO_EXTRA }, 858 { GL_LIST_INDEX, LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA }, 859 { GL_LIST_MODE, LOC_CUSTOM, TYPE_ENUM, 0, NO_EXTRA }, 860 { GL_INDEX_LOGIC_OP, CONTEXT_BOOL(Color.IndexLogicOpEnabled), NO_EXTRA }, 861 { GL_MAP1_COLOR_4, CONTEXT_BOOL(Eval.Map1Color4), NO_EXTRA }, 862 { GL_MAP1_GRID_DOMAIN, CONTEXT_FLOAT2(Eval.MapGrid1u1), NO_EXTRA }, 863 { GL_MAP1_GRID_SEGMENTS, CONTEXT_INT(Eval.MapGrid1un), NO_EXTRA }, 864 { GL_MAP1_INDEX, CONTEXT_BOOL(Eval.Map1Index), NO_EXTRA }, 865 { GL_MAP1_NORMAL, CONTEXT_BOOL(Eval.Map1Normal), NO_EXTRA }, 866 { GL_MAP1_TEXTURE_COORD_1, CONTEXT_BOOL(Eval.Map1TextureCoord1), NO_EXTRA }, 867 { GL_MAP1_TEXTURE_COORD_2, CONTEXT_BOOL(Eval.Map1TextureCoord2), NO_EXTRA }, 868 { GL_MAP1_TEXTURE_COORD_3, CONTEXT_BOOL(Eval.Map1TextureCoord3), NO_EXTRA }, 869 { GL_MAP1_TEXTURE_COORD_4, CONTEXT_BOOL(Eval.Map1TextureCoord4), NO_EXTRA }, 870 { GL_MAP1_VERTEX_3, CONTEXT_BOOL(Eval.Map1Vertex3), NO_EXTRA }, 871 { GL_MAP1_VERTEX_4, CONTEXT_BOOL(Eval.Map1Vertex4), NO_EXTRA }, 872 { GL_MAP2_COLOR_4, CONTEXT_BOOL(Eval.Map2Color4), NO_EXTRA }, 873 { GL_MAP2_GRID_DOMAIN, LOC_CUSTOM, TYPE_FLOAT_4, 0, NO_EXTRA }, 874 { GL_MAP2_GRID_SEGMENTS, CONTEXT_INT2(Eval.MapGrid2un), NO_EXTRA }, 875 { GL_MAP2_INDEX, CONTEXT_BOOL(Eval.Map2Index), NO_EXTRA }, 876 { GL_MAP2_NORMAL, CONTEXT_BOOL(Eval.Map2Normal), NO_EXTRA }, 877 { GL_MAP2_TEXTURE_COORD_1, CONTEXT_BOOL(Eval.Map2TextureCoord1), NO_EXTRA }, 878 { GL_MAP2_TEXTURE_COORD_2, CONTEXT_BOOL(Eval.Map2TextureCoord2), NO_EXTRA }, 879 { GL_MAP2_TEXTURE_COORD_3, CONTEXT_BOOL(Eval.Map2TextureCoord3), NO_EXTRA }, 880 { GL_MAP2_TEXTURE_COORD_4, CONTEXT_BOOL(Eval.Map2TextureCoord4), NO_EXTRA }, 881 { GL_MAP2_VERTEX_3, CONTEXT_BOOL(Eval.Map2Vertex3), NO_EXTRA }, 882 { GL_MAP2_VERTEX_4, CONTEXT_BOOL(Eval.Map2Vertex4), NO_EXTRA }, 883 { GL_MAP_COLOR, CONTEXT_BOOL(Pixel.MapColorFlag), NO_EXTRA }, 884 { GL_MAP_STENCIL, CONTEXT_BOOL(Pixel.MapStencilFlag), NO_EXTRA }, 885 { GL_MAX_ATTRIB_STACK_DEPTH, CONST(MAX_ATTRIB_STACK_DEPTH), NO_EXTRA }, 886 { GL_MAX_CLIENT_ATTRIB_STACK_DEPTH, CONST(MAX_CLIENT_ATTRIB_STACK_DEPTH), NO_EXTRA }, 887 888 { GL_MAX_EVAL_ORDER, CONST(MAX_EVAL_ORDER), NO_EXTRA }, 889 { GL_MAX_LIST_NESTING, CONST(MAX_LIST_NESTING), NO_EXTRA }, 890 { GL_MAX_NAME_STACK_DEPTH, CONST(MAX_NAME_STACK_DEPTH), NO_EXTRA }, 891 { GL_MAX_PIXEL_MAP_TABLE, CONST(MAX_PIXEL_MAP_TABLE), NO_EXTRA }, 892 { GL_NAME_STACK_DEPTH, CONTEXT_INT(Select.NameStackDepth), NO_EXTRA }, 893 { GL_PACK_LSB_FIRST, CONTEXT_BOOL(Pack.LsbFirst), NO_EXTRA }, 894 { GL_PACK_SWAP_BYTES, CONTEXT_BOOL(Pack.SwapBytes), NO_EXTRA }, 895 { GL_PACK_INVERT_MESA, CONTEXT_BOOL(Pack.Invert), NO_EXTRA }, 896 { GL_PIXEL_MAP_A_TO_A_SIZE, CONTEXT_INT(PixelMaps.AtoA.Size), NO_EXTRA }, 897 { GL_PIXEL_MAP_B_TO_B_SIZE, CONTEXT_INT(PixelMaps.BtoB.Size), NO_EXTRA }, 898 { GL_PIXEL_MAP_G_TO_G_SIZE, CONTEXT_INT(PixelMaps.GtoG.Size), NO_EXTRA }, 899 { GL_PIXEL_MAP_I_TO_A_SIZE, CONTEXT_INT(PixelMaps.ItoA.Size), NO_EXTRA }, 900 { GL_PIXEL_MAP_I_TO_B_SIZE, CONTEXT_INT(PixelMaps.ItoB.Size), NO_EXTRA }, 901 { GL_PIXEL_MAP_I_TO_G_SIZE, CONTEXT_INT(PixelMaps.ItoG.Size), NO_EXTRA }, 902 { GL_PIXEL_MAP_I_TO_I_SIZE, CONTEXT_INT(PixelMaps.ItoI.Size), NO_EXTRA }, 903 { GL_PIXEL_MAP_I_TO_R_SIZE, CONTEXT_INT(PixelMaps.ItoR.Size), NO_EXTRA }, 904 { GL_PIXEL_MAP_R_TO_R_SIZE, CONTEXT_INT(PixelMaps.RtoR.Size), NO_EXTRA }, 905 { GL_PIXEL_MAP_S_TO_S_SIZE, CONTEXT_INT(PixelMaps.StoS.Size), NO_EXTRA }, 906 { GL_POINT_SIZE_GRANULARITY, CONTEXT_FLOAT(Const.PointSizeGranularity), NO_EXTRA }, 907 { GL_POLYGON_MODE, CONTEXT_ENUM2(Polygon.FrontMode), NO_EXTRA }, 908 { GL_POLYGON_OFFSET_BIAS_EXT, CONTEXT_FLOAT(Polygon.OffsetUnits), NO_EXTRA }, 909 { GL_POLYGON_OFFSET_POINT, CONTEXT_BOOL(Polygon.OffsetPoint), NO_EXTRA }, 910 { GL_POLYGON_OFFSET_LINE, CONTEXT_BOOL(Polygon.OffsetLine), NO_EXTRA }, 911 { GL_POLYGON_SMOOTH, CONTEXT_BOOL(Polygon.SmoothFlag), NO_EXTRA }, 912 { GL_POLYGON_SMOOTH_HINT, CONTEXT_ENUM(Hint.PolygonSmooth), NO_EXTRA }, 913 { GL_POLYGON_STIPPLE, CONTEXT_BOOL(Polygon.StippleFlag), NO_EXTRA }, 914 { GL_RED_BIAS, CONTEXT_FLOAT(Pixel.RedBias), NO_EXTRA }, 915 { GL_RED_SCALE, CONTEXT_FLOAT(Pixel.RedScale), NO_EXTRA }, 916 { GL_RENDER_MODE, CONTEXT_ENUM(RenderMode), NO_EXTRA }, 917 { GL_RGBA_MODE, CONST(1), NO_EXTRA }, 918 { GL_SELECTION_BUFFER_SIZE, CONTEXT_INT(Select.BufferSize), NO_EXTRA }, 919 920 { GL_STEREO, BUFFER_INT(Visual.stereoMode), NO_EXTRA }, 921 922 { GL_TEXTURE_1D, LOC_CUSTOM, TYPE_BOOLEAN, NO_OFFSET, NO_EXTRA }, 923 { GL_TEXTURE_3D, LOC_CUSTOM, TYPE_BOOLEAN, NO_OFFSET, NO_EXTRA }, 924 { GL_TEXTURE_1D_ARRAY_EXT, LOC_CUSTOM, TYPE_BOOLEAN, NO_OFFSET, NO_EXTRA }, 925 { GL_TEXTURE_2D_ARRAY_EXT, LOC_CUSTOM, TYPE_BOOLEAN, NO_OFFSET, NO_EXTRA }, 926 927 { GL_TEXTURE_BINDING_1D, LOC_CUSTOM, TYPE_INT, TEXTURE_1D_INDEX, NO_EXTRA }, 928 { GL_TEXTURE_BINDING_1D_ARRAY, LOC_CUSTOM, TYPE_INT, 929 TEXTURE_1D_ARRAY_INDEX, extra_MESA_texture_array }, 930 { GL_TEXTURE_BINDING_2D_ARRAY, LOC_CUSTOM, TYPE_INT, 931 TEXTURE_1D_ARRAY_INDEX, extra_MESA_texture_array }, 932 { GL_MAX_ARRAY_TEXTURE_LAYERS_EXT, 933 CONTEXT_INT(Const.MaxArrayTextureLayers), extra_MESA_texture_array }, 934 935 { GL_TEXTURE_GEN_S, LOC_TEXUNIT, TYPE_BIT_0, 936 offsetof(struct gl_texture_unit, TexGenEnabled), NO_EXTRA }, 937 { GL_TEXTURE_GEN_T, LOC_TEXUNIT, TYPE_BIT_1, 938 offsetof(struct gl_texture_unit, TexGenEnabled), NO_EXTRA }, 939 { GL_TEXTURE_GEN_R, LOC_TEXUNIT, TYPE_BIT_2, 940 offsetof(struct gl_texture_unit, TexGenEnabled), NO_EXTRA }, 941 { GL_TEXTURE_GEN_Q, LOC_TEXUNIT, TYPE_BIT_3, 942 offsetof(struct gl_texture_unit, TexGenEnabled), NO_EXTRA }, 943 { GL_UNPACK_LSB_FIRST, CONTEXT_BOOL(Unpack.LsbFirst), NO_EXTRA }, 944 { GL_UNPACK_SWAP_BYTES, CONTEXT_BOOL(Unpack.SwapBytes), NO_EXTRA }, 945 { GL_ZOOM_X, CONTEXT_FLOAT(Pixel.ZoomX), NO_EXTRA }, 946 { GL_ZOOM_Y, CONTEXT_FLOAT(Pixel.ZoomY), NO_EXTRA }, 947 948 /* Vertex arrays */ 949 { GL_VERTEX_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA }, 950 { GL_NORMAL_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA }, 951 { GL_COLOR_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA }, 952 { GL_INDEX_ARRAY, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_COLOR_INDEX].Enabled), NO_EXTRA }, 953 { GL_INDEX_ARRAY_TYPE, ARRAY_ENUM(VertexAttrib[VERT_ATTRIB_COLOR_INDEX].Type), NO_EXTRA }, 954 { GL_INDEX_ARRAY_STRIDE, ARRAY_INT(VertexAttrib[VERT_ATTRIB_COLOR_INDEX].Stride), NO_EXTRA }, 955 { GL_INDEX_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA }, 956 { GL_TEXTURE_COORD_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA }, 957 { GL_EDGE_FLAG_ARRAY, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_EDGEFLAG].Enabled), NO_EXTRA }, 958 { GL_EDGE_FLAG_ARRAY_STRIDE, ARRAY_INT(VertexAttrib[VERT_ATTRIB_EDGEFLAG].Stride), NO_EXTRA }, 959 { GL_EDGE_FLAG_ARRAY_COUNT_EXT, CONST(0), NO_EXTRA }, 960 961 /* GL_ARB_texture_compression */ 962 { GL_TEXTURE_COMPRESSION_HINT_ARB, CONTEXT_INT(Hint.TextureCompression), NO_EXTRA }, 963 964 /* GL_EXT_compiled_vertex_array */ 965 { GL_ARRAY_ELEMENT_LOCK_FIRST_EXT, CONTEXT_INT(Array.LockFirst), 966 extra_EXT_compiled_vertex_array }, 967 { GL_ARRAY_ELEMENT_LOCK_COUNT_EXT, CONTEXT_INT(Array.LockCount), 968 extra_EXT_compiled_vertex_array }, 969 970 /* GL_ARB_transpose_matrix */ 971 { GL_TRANSPOSE_MODELVIEW_MATRIX_ARB, 972 CONTEXT_MATRIX_T(ModelviewMatrixStack), NO_EXTRA }, 973 { GL_TRANSPOSE_PROJECTION_MATRIX_ARB, 974 CONTEXT_MATRIX_T(ProjectionMatrixStack.Top), NO_EXTRA }, 975 { GL_TRANSPOSE_TEXTURE_MATRIX_ARB, CONTEXT_MATRIX_T(TextureMatrixStack), NO_EXTRA }, 976 977 /* GL_EXT_secondary_color */ 978 { GL_COLOR_SUM_EXT, CONTEXT_BOOL(Fog.ColorSumEnabled), 979 extra_EXT_secondary_color_ARB_vertex_program }, 980 { GL_CURRENT_SECONDARY_COLOR_EXT, 981 CONTEXT_FIELD(Current.Attrib[VERT_ATTRIB_COLOR1][0], TYPE_FLOATN_4), 982 extra_EXT_secondary_color_flush_current }, 983 { GL_SECONDARY_COLOR_ARRAY_EXT, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_COLOR1].Enabled), 984 extra_EXT_secondary_color }, 985 { GL_SECONDARY_COLOR_ARRAY_TYPE_EXT, ARRAY_ENUM(VertexAttrib[VERT_ATTRIB_COLOR1].Type), 986 extra_EXT_secondary_color }, 987 { GL_SECONDARY_COLOR_ARRAY_STRIDE_EXT, ARRAY_INT(VertexAttrib[VERT_ATTRIB_COLOR1].Stride), 988 extra_EXT_secondary_color }, 989 { GL_SECONDARY_COLOR_ARRAY_SIZE_EXT, ARRAY_INT(VertexAttrib[VERT_ATTRIB_COLOR1].Size), 990 extra_EXT_secondary_color }, 991 992 /* GL_EXT_fog_coord */ 993 { GL_CURRENT_FOG_COORDINATE_EXT, 994 CONTEXT_FLOAT(Current.Attrib[VERT_ATTRIB_FOG][0]), 995 extra_EXT_fog_coord_flush_current }, 996 { GL_FOG_COORDINATE_ARRAY_EXT, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_FOG].Enabled), 997 extra_EXT_fog_coord }, 998 { GL_FOG_COORDINATE_ARRAY_TYPE_EXT, ARRAY_ENUM(VertexAttrib[VERT_ATTRIB_FOG].Type), 999 extra_EXT_fog_coord }, 1000 { GL_FOG_COORDINATE_ARRAY_STRIDE_EXT, ARRAY_INT(VertexAttrib[VERT_ATTRIB_FOG].Stride), 1001 extra_EXT_fog_coord }, 1002 { GL_FOG_COORDINATE_SOURCE_EXT, CONTEXT_ENUM(Fog.FogCoordinateSource), 1003 extra_EXT_fog_coord }, 1004 1005 /* GL_NV_fog_distance */ 1006 { GL_FOG_DISTANCE_MODE_NV, CONTEXT_ENUM(Fog.FogDistanceMode), 1007 extra_NV_fog_distance }, 1008 1009 /* GL_IBM_rasterpos_clip */ 1010 { GL_RASTER_POSITION_UNCLIPPED_IBM, 1011 CONTEXT_BOOL(Transform.RasterPositionUnclipped), 1012 extra_IBM_rasterpos_clip }, 1013 1014 /* GL_NV_point_sprite */ 1015 { GL_POINT_SPRITE_R_MODE_NV, 1016 CONTEXT_ENUM(Point.SpriteRMode), extra_NV_point_sprite }, 1017 { GL_POINT_SPRITE_COORD_ORIGIN, CONTEXT_ENUM(Point.SpriteOrigin), 1018 extra_NV_point_sprite_ARB_point_sprite }, 1019 1020 /* GL_NV_vertex_program */ 1021 { GL_VERTEX_PROGRAM_BINDING_NV, LOC_CUSTOM, TYPE_INT, 0, 1022 extra_NV_vertex_program }, 1023 { GL_VERTEX_ATTRIB_ARRAY0_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(0)].Enabled), 1024 extra_NV_vertex_program }, 1025 { GL_VERTEX_ATTRIB_ARRAY1_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(1)].Enabled), 1026 extra_NV_vertex_program }, 1027 { GL_VERTEX_ATTRIB_ARRAY2_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(2)].Enabled), 1028 extra_NV_vertex_program }, 1029 { GL_VERTEX_ATTRIB_ARRAY3_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(3)].Enabled), 1030 extra_NV_vertex_program }, 1031 { GL_VERTEX_ATTRIB_ARRAY4_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(4)].Enabled), 1032 extra_NV_vertex_program }, 1033 { GL_VERTEX_ATTRIB_ARRAY5_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(5)].Enabled), 1034 extra_NV_vertex_program }, 1035 { GL_VERTEX_ATTRIB_ARRAY6_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(6)].Enabled), 1036 extra_NV_vertex_program }, 1037 { GL_VERTEX_ATTRIB_ARRAY7_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(7)].Enabled), 1038 extra_NV_vertex_program }, 1039 { GL_VERTEX_ATTRIB_ARRAY8_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(8)].Enabled), 1040 extra_NV_vertex_program }, 1041 { GL_VERTEX_ATTRIB_ARRAY9_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(9)].Enabled), 1042 extra_NV_vertex_program }, 1043 { GL_VERTEX_ATTRIB_ARRAY10_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(10)].Enabled), 1044 extra_NV_vertex_program }, 1045 { GL_VERTEX_ATTRIB_ARRAY11_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(11)].Enabled), 1046 extra_NV_vertex_program }, 1047 { GL_VERTEX_ATTRIB_ARRAY12_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(12)].Enabled), 1048 extra_NV_vertex_program }, 1049 { GL_VERTEX_ATTRIB_ARRAY13_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(13)].Enabled), 1050 extra_NV_vertex_program }, 1051 { GL_VERTEX_ATTRIB_ARRAY14_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(14)].Enabled), 1052 extra_NV_vertex_program }, 1053 { GL_VERTEX_ATTRIB_ARRAY15_NV, ARRAY_BOOL(VertexAttrib[VERT_ATTRIB_GENERIC(15)].Enabled), 1054 extra_NV_vertex_program }, 1055 { GL_MAP1_VERTEX_ATTRIB0_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[0]), 1056 extra_NV_vertex_program }, 1057 { GL_MAP1_VERTEX_ATTRIB1_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[1]), 1058 extra_NV_vertex_program }, 1059 { GL_MAP1_VERTEX_ATTRIB2_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[2]), 1060 extra_NV_vertex_program }, 1061 { GL_MAP1_VERTEX_ATTRIB3_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[3]), 1062 extra_NV_vertex_program }, 1063 { GL_MAP1_VERTEX_ATTRIB4_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[4]), 1064 extra_NV_vertex_program }, 1065 { GL_MAP1_VERTEX_ATTRIB5_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[5]), 1066 extra_NV_vertex_program }, 1067 { GL_MAP1_VERTEX_ATTRIB6_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[6]), 1068 extra_NV_vertex_program }, 1069 { GL_MAP1_VERTEX_ATTRIB7_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[7]), 1070 extra_NV_vertex_program }, 1071 { GL_MAP1_VERTEX_ATTRIB8_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[8]), 1072 extra_NV_vertex_program }, 1073 { GL_MAP1_VERTEX_ATTRIB9_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[9]), 1074 extra_NV_vertex_program }, 1075 { GL_MAP1_VERTEX_ATTRIB10_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[10]), 1076 extra_NV_vertex_program }, 1077 { GL_MAP1_VERTEX_ATTRIB11_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[11]), 1078 extra_NV_vertex_program }, 1079 { GL_MAP1_VERTEX_ATTRIB12_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[12]), 1080 extra_NV_vertex_program }, 1081 { GL_MAP1_VERTEX_ATTRIB13_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[13]), 1082 extra_NV_vertex_program }, 1083 { GL_MAP1_VERTEX_ATTRIB14_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[14]), 1084 extra_NV_vertex_program }, 1085 { GL_MAP1_VERTEX_ATTRIB15_4_NV, CONTEXT_BOOL(Eval.Map1Attrib[15]), 1086 extra_NV_vertex_program }, 1087 1088 /* GL_NV_fragment_program */ 1089 { GL_FRAGMENT_PROGRAM_NV, CONTEXT_BOOL(FragmentProgram.Enabled), 1090 extra_NV_fragment_program }, 1091 { GL_FRAGMENT_PROGRAM_BINDING_NV, LOC_CUSTOM, TYPE_INT, 0, 1092 extra_NV_fragment_program }, 1093 { GL_MAX_FRAGMENT_PROGRAM_LOCAL_PARAMETERS_NV, 1094 CONST(MAX_NV_FRAGMENT_PROGRAM_PARAMS), 1095 extra_NV_fragment_program }, 1096 1097 /* GL_NV_texture_rectangle */ 1098 { GL_TEXTURE_RECTANGLE_NV, 1099 LOC_CUSTOM, TYPE_BOOLEAN, 0, extra_NV_texture_rectangle }, 1100 { GL_TEXTURE_BINDING_RECTANGLE_NV, 1101 LOC_CUSTOM, TYPE_INT, TEXTURE_RECT_INDEX, extra_NV_texture_rectangle }, 1102 { GL_MAX_RECTANGLE_TEXTURE_SIZE_NV, 1103 CONTEXT_INT(Const.MaxTextureRectSize), extra_NV_texture_rectangle }, 1104 1105 /* GL_EXT_stencil_two_side */ 1106 { GL_STENCIL_TEST_TWO_SIDE_EXT, CONTEXT_BOOL(Stencil.TestTwoSide), 1107 extra_EXT_stencil_two_side }, 1108 { GL_ACTIVE_STENCIL_FACE_EXT, LOC_CUSTOM, TYPE_ENUM, NO_OFFSET, NO_EXTRA }, 1109 1110 /* GL_NV_light_max_exponent */ 1111 { GL_MAX_SHININESS_NV, CONTEXT_FLOAT(Const.MaxShininess), 1112 extra_NV_light_max_exponent }, 1113 { GL_MAX_SPOT_EXPONENT_NV, CONTEXT_FLOAT(Const.MaxSpotExponent), 1114 extra_NV_light_max_exponent }, 1115 1116 /* GL_NV_primitive_restart */ 1117 { GL_PRIMITIVE_RESTART_NV, CONTEXT_BOOL(Array.PrimitiveRestart), 1118 extra_NV_primitive_restart }, 1119 { GL_PRIMITIVE_RESTART_INDEX_NV, CONTEXT_INT(Array.RestartIndex), 1120 extra_NV_primitive_restart }, 1121 1122 /* GL_ARB_vertex_buffer_object */ 1123 { GL_INDEX_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT, 1124 offsetof(struct gl_array_object, VertexAttrib[VERT_ATTRIB_COLOR_INDEX].BufferObj), NO_EXTRA }, 1125 { GL_EDGE_FLAG_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT, 1126 offsetof(struct gl_array_object, VertexAttrib[VERT_ATTRIB_EDGEFLAG].BufferObj), NO_EXTRA }, 1127 { GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT, 1128 offsetof(struct gl_array_object, VertexAttrib[VERT_ATTRIB_COLOR1].BufferObj), NO_EXTRA }, 1129 { GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING_ARB, LOC_CUSTOM, TYPE_INT, 1130 offsetof(struct gl_array_object, VertexAttrib[VERT_ATTRIB_FOG].BufferObj), NO_EXTRA }, 1131 1132 /* GL_EXT_pixel_buffer_object */ 1133 { GL_PIXEL_PACK_BUFFER_BINDING_EXT, LOC_CUSTOM, TYPE_INT, 0, 1134 extra_EXT_pixel_buffer_object }, 1135 { GL_PIXEL_UNPACK_BUFFER_BINDING_EXT, LOC_CUSTOM, TYPE_INT, 0, 1136 extra_EXT_pixel_buffer_object }, 1137 1138 /* GL_ARB_vertex_program */ 1139 { GL_VERTEX_PROGRAM_ARB, /* == GL_VERTEX_PROGRAM_NV */ 1140 CONTEXT_BOOL(VertexProgram.Enabled), 1141 extra_ARB_vertex_program_NV_vertex_program }, 1142 { GL_VERTEX_PROGRAM_POINT_SIZE_ARB, /* == GL_VERTEX_PROGRAM_POINT_SIZE_NV*/ 1143 CONTEXT_BOOL(VertexProgram.PointSizeEnabled), 1144 extra_ARB_vertex_program_NV_vertex_program }, 1145 { GL_VERTEX_PROGRAM_TWO_SIDE_ARB, /* == GL_VERTEX_PROGRAM_TWO_SIDE_NV */ 1146 CONTEXT_BOOL(VertexProgram.TwoSideEnabled), 1147 extra_ARB_vertex_program_NV_vertex_program }, 1148 { GL_MAX_PROGRAM_MATRIX_STACK_DEPTH_ARB, /* == GL_MAX_TRACK_MATRIX_STACK_DEPTH_NV */ 1149 CONTEXT_INT(Const.MaxProgramMatrixStackDepth), 1150 extra_ARB_vertex_program_ARB_fragment_program_NV_vertex_program }, 1151 { GL_MAX_PROGRAM_MATRICES_ARB, /* == GL_MAX_TRACK_MATRICES_NV */ 1152 CONTEXT_INT(Const.MaxProgramMatrices), 1153 extra_ARB_vertex_program_ARB_fragment_program_NV_vertex_program }, 1154 { GL_CURRENT_MATRIX_STACK_DEPTH_ARB, /* == GL_CURRENT_MATRIX_STACK_DEPTH_NV */ 1155 LOC_CUSTOM, TYPE_INT, 0, 1156 extra_ARB_vertex_program_ARB_fragment_program_NV_vertex_program }, 1157 1158 { GL_CURRENT_MATRIX_ARB, /* == GL_CURRENT_MATRIX_NV */ 1159 LOC_CUSTOM, TYPE_MATRIX, 0, 1160 extra_ARB_vertex_program_ARB_fragment_program_NV_vertex_program }, 1161 { GL_TRANSPOSE_CURRENT_MATRIX_ARB, /* == GL_CURRENT_MATRIX_NV */ 1162 LOC_CUSTOM, TYPE_MATRIX, 0, 1163 extra_ARB_vertex_program_ARB_fragment_program }, 1164 1165 { GL_PROGRAM_ERROR_POSITION_ARB, /* == GL_PROGRAM_ERROR_POSITION_NV */ 1166 CONTEXT_INT(Program.ErrorPos), 1167 extra_NV_vertex_program_ARB_vertex_program_ARB_fragment_program_NV_vertex_program }, 1168 1169 /* GL_ARB_fragment_program */ 1170 { GL_FRAGMENT_PROGRAM_ARB, CONTEXT_BOOL(FragmentProgram.Enabled), 1171 extra_ARB_fragment_program }, 1172 1173 /* GL_EXT_depth_bounds_test */ 1174 { GL_DEPTH_BOUNDS_TEST_EXT, CONTEXT_BOOL(Depth.BoundsTest), 1175 extra_EXT_depth_bounds_test }, 1176 { GL_DEPTH_BOUNDS_EXT, CONTEXT_FLOAT2(Depth.BoundsMin), 1177 extra_EXT_depth_bounds_test }, 1178 1179 /* GL_ARB_depth_clamp*/ 1180 { GL_DEPTH_CLAMP, CONTEXT_BOOL(Transform.DepthClamp), 1181 extra_ARB_depth_clamp }, 1182 1183 /* GL_ATI_fragment_shader */ 1184 { GL_NUM_FRAGMENT_REGISTERS_ATI, CONST(6), extra_ATI_fragment_shader }, 1185 { GL_NUM_FRAGMENT_CONSTANTS_ATI, CONST(8), extra_ATI_fragment_shader }, 1186 { GL_NUM_PASSES_ATI, CONST(2), extra_ATI_fragment_shader }, 1187 { GL_NUM_INSTRUCTIONS_PER_PASS_ATI, CONST(8), extra_ATI_fragment_shader }, 1188 { GL_NUM_INSTRUCTIONS_TOTAL_ATI, CONST(16), extra_ATI_fragment_shader }, 1189 { GL_COLOR_ALPHA_PAIRING_ATI, CONST(GL_TRUE), extra_ATI_fragment_shader }, 1190 { GL_NUM_LOOPBACK_COMPONENTS_ATI, CONST(3), extra_ATI_fragment_shader }, 1191 { GL_NUM_INPUT_INTERPOLATOR_COMPONENTS_ATI, 1192 CONST(3), extra_ATI_fragment_shader }, 1193 1194 /* GL_EXT_framebuffer_blit 1195 * NOTE: GL_DRAW_FRAMEBUFFER_BINDING_EXT == GL_FRAMEBUFFER_BINDING_EXT */ 1196 { GL_READ_FRAMEBUFFER_BINDING_EXT, LOC_CUSTOM, TYPE_INT, 0, 1197 extra_EXT_framebuffer_blit }, 1198 1199 /* GL_EXT_provoking_vertex */ 1200 { GL_PROVOKING_VERTEX_EXT, 1201 CONTEXT_ENUM(Light.ProvokingVertex), extra_EXT_provoking_vertex }, 1202 { GL_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION_EXT, 1203 CONTEXT_BOOL(Const.QuadsFollowProvokingVertexConvention), 1204 extra_EXT_provoking_vertex }, 1205 1206 /* GL_ARB_framebuffer_object */ 1207 { GL_MAX_SAMPLES, CONTEXT_INT(Const.MaxSamples), 1208 extra_ARB_framebuffer_object_EXT_framebuffer_multisample }, 1209 1210 /* GL_APPLE_vertex_array_object */ 1211 { GL_VERTEX_ARRAY_BINDING_APPLE, ARRAY_INT(Name), 1212 extra_APPLE_vertex_array_object }, 1213 1214 /* GL_ARB_seamless_cube_map */ 1215 { GL_TEXTURE_CUBE_MAP_SEAMLESS, 1216 CONTEXT_BOOL(Texture.CubeMapSeamless), extra_ARB_seamless_cube_map }, 1217 1218 /* GL_ARB_sync */ 1219 { GL_MAX_SERVER_WAIT_TIMEOUT, 1220 CONTEXT_INT64(Const.MaxServerWaitTimeout), extra_ARB_sync }, 1221 1222 /* GL_EXT_texture_integer */ 1223 { GL_RGBA_INTEGER_MODE_EXT, BUFFER_BOOL(_IntegerColor), 1224 extra_EXT_texture_integer }, 1225 1226 /* GL_EXT_transform_feedback */ 1227 { GL_TRANSFORM_FEEDBACK_BUFFER_BINDING, LOC_CUSTOM, TYPE_INT, 0, 1228 extra_EXT_transform_feedback }, 1229 { GL_RASTERIZER_DISCARD, CONTEXT_BOOL(RasterDiscard), 1230 extra_EXT_transform_feedback }, 1231 { GL_MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS, 1232 CONTEXT_INT(Const.MaxTransformFeedbackInterleavedComponents), 1233 extra_EXT_transform_feedback }, 1234 { GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS, 1235 CONTEXT_INT(Const.MaxTransformFeedbackBuffers), 1236 extra_EXT_transform_feedback }, 1237 { GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS, 1238 CONTEXT_INT(Const.MaxTransformFeedbackSeparateComponents), 1239 extra_EXT_transform_feedback }, 1240 1241 /* GL_ARB_transform_feedback2 */ 1242 { GL_TRANSFORM_FEEDBACK_BUFFER_PAUSED, LOC_CUSTOM, TYPE_BOOLEAN, 0, 1243 extra_ARB_transform_feedback2 }, 1244 { GL_TRANSFORM_FEEDBACK_BUFFER_ACTIVE, LOC_CUSTOM, TYPE_BOOLEAN, 0, 1245 extra_ARB_transform_feedback2 }, 1246 { GL_TRANSFORM_FEEDBACK_BINDING, LOC_CUSTOM, TYPE_INT, 0, 1247 extra_ARB_transform_feedback2 }, 1248 1249 /* GL_ARB_transform_feedback3 */ 1250 { GL_MAX_TRANSFORM_FEEDBACK_BUFFERS, 1251 CONTEXT_INT(Const.MaxTransformFeedbackBuffers), 1252 extra_ARB_transform_feedback3 }, 1253 { GL_MAX_VERTEX_STREAMS, 1254 CONTEXT_INT(Const.MaxVertexStreams), 1255 extra_ARB_transform_feedback3 }, 1256 1257 /* GL_ARB_geometry_shader4 */ 1258 { GL_MAX_GEOMETRY_TEXTURE_IMAGE_UNITS_ARB, 1259 CONTEXT_INT(Const.MaxGeometryTextureImageUnits), 1260 extra_ARB_geometry_shader4 }, 1261 { GL_MAX_GEOMETRY_OUTPUT_VERTICES_ARB, 1262 CONTEXT_INT(Const.MaxGeometryOutputVertices), 1263 extra_ARB_geometry_shader4 }, 1264 { GL_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS_ARB, 1265 CONTEXT_INT(Const.MaxGeometryTotalOutputComponents), 1266 extra_ARB_geometry_shader4 }, 1267 { GL_MAX_GEOMETRY_UNIFORM_COMPONENTS_ARB, 1268 CONTEXT_INT(Const.GeometryProgram.MaxUniformComponents), 1269 extra_ARB_geometry_shader4 }, 1270 { GL_MAX_GEOMETRY_VARYING_COMPONENTS_ARB, 1271 CONTEXT_INT(Const.MaxGeometryVaryingComponents), 1272 extra_ARB_geometry_shader4 }, 1273 { GL_MAX_VERTEX_VARYING_COMPONENTS_ARB, 1274 CONTEXT_INT(Const.MaxVertexVaryingComponents), 1275 extra_ARB_geometry_shader4 }, 1276 1277 /* GL_ARB_color_buffer_float */ 1278 { GL_RGBA_FLOAT_MODE_ARB, BUFFER_FIELD(Visual.floatMode, TYPE_BOOLEAN), 0 }, 1279 1280 /* GL_EXT_gpu_shader4 / GLSL 1.30 */ 1281 { GL_MIN_PROGRAM_TEXEL_OFFSET, 1282 CONTEXT_INT(Const.MinProgramTexelOffset), 1283 extra_GLSL_130 }, 1284 { GL_MAX_PROGRAM_TEXEL_OFFSET, 1285 CONTEXT_INT(Const.MaxProgramTexelOffset), 1286 extra_GLSL_130 }, 1287 1288 /* GL_ARB_texture_buffer_object */ 1289 { GL_MAX_TEXTURE_BUFFER_SIZE_ARB, CONTEXT_INT(Const.MaxTextureBufferSize), 1290 extra_ARB_texture_buffer_object }, 1291 { GL_TEXTURE_BINDING_BUFFER_ARB, LOC_CUSTOM, TYPE_INT, 0, 1292 extra_ARB_texture_buffer_object }, 1293 { GL_TEXTURE_BUFFER_DATA_STORE_BINDING_ARB, LOC_CUSTOM, TYPE_INT, 1294 TEXTURE_BUFFER_INDEX, extra_ARB_texture_buffer_object }, 1295 { GL_TEXTURE_BUFFER_FORMAT_ARB, LOC_CUSTOM, TYPE_INT, 0, 1296 extra_ARB_texture_buffer_object }, 1297 { GL_TEXTURE_BUFFER_ARB, LOC_CUSTOM, TYPE_INT, 0, 1298 extra_ARB_texture_buffer_object }, 1299 1300 /* GL_ARB_sampler_objects / GL 3.3 */ 1301 { GL_SAMPLER_BINDING, 1302 LOC_CUSTOM, TYPE_INT, GL_SAMPLER_BINDING, NO_EXTRA }, 1303 1304 /* GL 3.0 */ 1305 { GL_NUM_EXTENSIONS, LOC_CUSTOM, TYPE_INT, 0, extra_version_30 }, 1306 { GL_MAJOR_VERSION, LOC_CUSTOM, TYPE_INT, 0, extra_version_30 }, 1307 { GL_MINOR_VERSION, LOC_CUSTOM, TYPE_INT, 0, extra_version_30 }, 1308 { GL_CONTEXT_FLAGS, CONTEXT_INT(Const.ContextFlags), extra_version_30 }, 1309 1310 /* GL3.0 / GL_EXT_framebuffer_sRGB */ 1311 { GL_FRAMEBUFFER_SRGB_EXT, CONTEXT_BOOL(Color.sRGBEnabled), extra_EXT_framebuffer_sRGB }, 1312 { GL_FRAMEBUFFER_SRGB_CAPABLE_EXT, BUFFER_INT(Visual.sRGBCapable), extra_EXT_framebuffer_sRGB }, 1313 1314 /* GL 3.1 */ 1315 /* NOTE: different enum values for GL_PRIMITIVE_RESTART_NV 1316 * vs. GL_PRIMITIVE_RESTART! 1317 */ 1318 { GL_PRIMITIVE_RESTART, CONTEXT_BOOL(Array.PrimitiveRestart), 1319 extra_version_31 }, 1320 { GL_PRIMITIVE_RESTART_INDEX, CONTEXT_INT(Array.RestartIndex), 1321 extra_version_31 }, 1322 1323 1324 /* GL 3.2 */ 1325 { GL_CONTEXT_PROFILE_MASK, CONTEXT_INT(Const.ProfileMask), 1326 extra_version_32 }, 1327 1328 /* GL_ARB_robustness */ 1329 { GL_RESET_NOTIFICATION_STRATEGY_ARB, CONTEXT_ENUM(Const.ResetStrategy), NO_EXTRA }, 1330 1331 /* GL_ARB_debug_output */ 1332 { GL_DEBUG_LOGGED_MESSAGES_ARB, CONTEXT_INT(Debug.NumMessages), NO_EXTRA }, 1333 { GL_DEBUG_NEXT_LOGGED_MESSAGE_LENGTH_ARB, CONTEXT_INT(Debug.NextMsgLength), NO_EXTRA }, 1334 { GL_MAX_DEBUG_LOGGED_MESSAGES_ARB, CONST(MAX_DEBUG_LOGGED_MESSAGES), NO_EXTRA }, 1335 { GL_MAX_DEBUG_MESSAGE_LENGTH_ARB, CONST(MAX_DEBUG_MESSAGE_LENGTH), NO_EXTRA }, 1336 1337 { GL_MAX_DUAL_SOURCE_DRAW_BUFFERS, CONTEXT_INT(Const.MaxDualSourceDrawBuffers), extra_ARB_blend_func_extended }, 1338 1339 /* GL_ARB_uniform_buffer_object */ 1340 { GL_MAX_VERTEX_UNIFORM_BLOCKS, CONTEXT_INT(Const.VertexProgram.MaxUniformBlocks), 1341 extra_ARB_uniform_buffer_object }, 1342 { GL_MAX_FRAGMENT_UNIFORM_BLOCKS, CONTEXT_INT(Const.FragmentProgram.MaxUniformBlocks), 1343 extra_ARB_uniform_buffer_object }, 1344 { GL_MAX_GEOMETRY_UNIFORM_BLOCKS, CONTEXT_INT(Const.GeometryProgram.MaxUniformBlocks), 1345 extra_ARB_uniform_buffer_object_and_geometry_shader }, 1346 { GL_MAX_COMBINED_UNIFORM_BLOCKS, CONTEXT_INT(Const.MaxCombinedUniformBlocks), 1347 extra_ARB_uniform_buffer_object }, 1348 { GL_MAX_UNIFORM_BLOCK_SIZE, CONTEXT_INT(Const.MaxUniformBlockSize), 1349 extra_ARB_uniform_buffer_object }, 1350 { GL_MAX_UNIFORM_BUFFER_BINDINGS, CONTEXT_INT(Const.MaxUniformBufferBindings), 1351 extra_ARB_uniform_buffer_object }, 1352 1353 { GL_MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS, CONTEXT_INT(Const.VertexProgram.MaxCombinedUniformComponents), 1354 extra_ARB_uniform_buffer_object }, 1355 { GL_MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS, CONTEXT_INT(Const.FragmentProgram.MaxCombinedUniformComponents), 1356 extra_ARB_uniform_buffer_object }, 1357 { GL_MAX_COMBINED_GEOMETRY_UNIFORM_COMPONENTS, CONTEXT_INT(Const.GeometryProgram.MaxCombinedUniformComponents), 1358 extra_ARB_uniform_buffer_object_and_geometry_shader }, 1359 { GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT, CONTEXT_INT(Const.UniformBufferOffsetAlignment), 1360 extra_ARB_uniform_buffer_object }, 1361 1362 { GL_UNIFORM_BUFFER_BINDING, LOC_CUSTOM, TYPE_INT, 0, extra_ARB_uniform_buffer_object }, 1363 1364 /* GL_ARB_timer_query */ 1365 { GL_TIMESTAMP, LOC_CUSTOM, TYPE_INT64, 0, extra_ARB_timer_query } 1366 1367#endif /* FEATURE_GL */ 1368}; 1369 1370/* All we need now is a way to look up the value struct from the enum. 1371 * The code generated by gcc for the old generated big switch 1372 * statement is a big, balanced, open coded if/else tree, essentially 1373 * an unrolled binary search. It would be natural to sort the new 1374 * enum table and use bsearch(), but we will use a read-only hash 1375 * table instead. bsearch() has a nice guaranteed worst case 1376 * performance, but we're also guaranteed to hit that worst case 1377 * (log2(n) iterations) for about half the enums. Instead, using an 1378 * open addressing hash table, we can find the enum on the first try 1379 * for 80% of the enums, 1 collision for 10% and never more than 5 1380 * collisions for any enum (typical numbers). And the code is very 1381 * simple, even though it feels a little magic. */ 1382 1383static unsigned short table[1024]; 1384static const int prime_factor = 89, prime_step = 281; 1385 1386#ifdef GET_DEBUG 1387static void 1388print_table_stats(void) 1389{ 1390 int i, j, collisions[11], count, hash, mask; 1391 const struct value_desc *d; 1392 1393 count = 0; 1394 mask = Elements(table) - 1; 1395 memset(collisions, 0, sizeof collisions); 1396 1397 for (i = 0; i < Elements(table); i++) { 1398 if (!table[i]) 1399 continue; 1400 count++; 1401 d = &values[table[i]]; 1402 hash = (d->pname * prime_factor); 1403 j = 0; 1404 while (1) { 1405 if (values[table[hash & mask]].pname == d->pname) 1406 break; 1407 hash += prime_step; 1408 j++; 1409 } 1410 1411 if (j < 10) 1412 collisions[j]++; 1413 else 1414 collisions[10]++; 1415 } 1416 1417 printf("number of enums: %d (total %d)\n", count, Elements(values)); 1418 for (i = 0; i < Elements(collisions) - 1; i++) 1419 if (collisions[i] > 0) 1420 printf(" %d enums with %d %scollisions\n", 1421 collisions[i], i, i == 10 ? "or more " : ""); 1422} 1423#endif 1424 1425/** 1426 * Initialize the enum hash for a given API 1427 * 1428 * This is called from one_time_init() to insert the enum values that 1429 * are valid for the API in question into the enum hash table. 1430 * 1431 * \param the current context, for determining the API in question 1432 */ 1433void _mesa_init_get_hash(struct gl_context *ctx) 1434{ 1435 int i, hash, index, mask; 1436 int api_mask = 0, api_bit; 1437 1438 mask = Elements(table) - 1; 1439 api_bit = 1 << ctx->API; 1440 1441 for (i = 0; i < Elements(values); i++) { 1442 if (values[i].type == TYPE_API_MASK) { 1443 api_mask = values[i].offset; 1444 continue; 1445 } 1446 if (!(api_mask & api_bit)) 1447 continue; 1448 1449 hash = (values[i].pname * prime_factor) & mask; 1450 while (1) { 1451 index = hash & mask; 1452 if (!table[index]) { 1453 table[index] = i; 1454 break; 1455 } 1456 hash += prime_step; 1457 } 1458 } 1459 1460#ifdef GET_DEBUG 1461 print_table_stats(); 1462#endif 1463} 1464 1465/** 1466 * Handle irregular enums 1467 * 1468 * Some values don't conform to the "well-known type at context 1469 * pointer + offset" pattern, so we have this function to catch all 1470 * the corner cases. Typically, it's a computed value or a one-off 1471 * pointer to a custom struct or something. 1472 * 1473 * In this case we can't return a pointer to the value, so we'll have 1474 * to use the temporary variable 'v' declared back in the calling 1475 * glGet*v() function to store the result. 1476 * 1477 * \param ctx the current context 1478 * \param d the struct value_desc that describes the enum 1479 * \param v pointer to the tmp declared in the calling glGet*v() function 1480 */ 1481static void 1482find_custom_value(struct gl_context *ctx, const struct value_desc *d, union value *v) 1483{ 1484 struct gl_buffer_object **buffer_obj; 1485 struct gl_client_array *array; 1486 GLuint unit, *p; 1487 1488 switch (d->pname) { 1489 case GL_MAJOR_VERSION: 1490 v->value_int = ctx->Version / 10; 1491 break; 1492 case GL_MINOR_VERSION: 1493 v->value_int = ctx->Version % 10; 1494 break; 1495 1496 case GL_TEXTURE_1D: 1497 case GL_TEXTURE_2D: 1498 case GL_TEXTURE_3D: 1499 case GL_TEXTURE_1D_ARRAY_EXT: 1500 case GL_TEXTURE_2D_ARRAY_EXT: 1501 case GL_TEXTURE_CUBE_MAP_ARB: 1502 case GL_TEXTURE_RECTANGLE_NV: 1503 case GL_TEXTURE_EXTERNAL_OES: 1504 v->value_bool = _mesa_IsEnabled(d->pname); 1505 break; 1506 1507 case GL_LINE_STIPPLE_PATTERN: 1508 /* This is the only GLushort, special case it here by promoting 1509 * to an int rather than introducing a new type. */ 1510 v->value_int = ctx->Line.StipplePattern; 1511 break; 1512 1513 case GL_CURRENT_RASTER_TEXTURE_COORDS: 1514 unit = ctx->Texture.CurrentUnit; 1515 v->value_float_4[0] = ctx->Current.RasterTexCoords[unit][0]; 1516 v->value_float_4[1] = ctx->Current.RasterTexCoords[unit][1]; 1517 v->value_float_4[2] = ctx->Current.RasterTexCoords[unit][2]; 1518 v->value_float_4[3] = ctx->Current.RasterTexCoords[unit][3]; 1519 break; 1520 1521 case GL_CURRENT_TEXTURE_COORDS: 1522 unit = ctx->Texture.CurrentUnit; 1523 v->value_float_4[0] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][0]; 1524 v->value_float_4[1] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][1]; 1525 v->value_float_4[2] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][2]; 1526 v->value_float_4[3] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][3]; 1527 break; 1528 1529 case GL_COLOR_WRITEMASK: 1530 v->value_int_4[0] = ctx->Color.ColorMask[0][RCOMP] ? 1 : 0; 1531 v->value_int_4[1] = ctx->Color.ColorMask[0][GCOMP] ? 1 : 0; 1532 v->value_int_4[2] = ctx->Color.ColorMask[0][BCOMP] ? 1 : 0; 1533 v->value_int_4[3] = ctx->Color.ColorMask[0][ACOMP] ? 1 : 0; 1534 break; 1535 1536 case GL_EDGE_FLAG: 1537 v->value_bool = ctx->Current.Attrib[VERT_ATTRIB_EDGEFLAG][0] == 1.0; 1538 break; 1539 1540 case GL_READ_BUFFER: 1541 v->value_enum = ctx->ReadBuffer->ColorReadBuffer; 1542 break; 1543 1544 case GL_MAP2_GRID_DOMAIN: 1545 v->value_float_4[0] = ctx->Eval.MapGrid2u1; 1546 v->value_float_4[1] = ctx->Eval.MapGrid2u2; 1547 v->value_float_4[2] = ctx->Eval.MapGrid2v1; 1548 v->value_float_4[3] = ctx->Eval.MapGrid2v2; 1549 break; 1550 1551 case GL_TEXTURE_STACK_DEPTH: 1552 unit = ctx->Texture.CurrentUnit; 1553 v->value_int = ctx->TextureMatrixStack[unit].Depth + 1; 1554 break; 1555 case GL_TEXTURE_MATRIX: 1556 unit = ctx->Texture.CurrentUnit; 1557 v->value_matrix = ctx->TextureMatrixStack[unit].Top; 1558 break; 1559 1560 case GL_TEXTURE_COORD_ARRAY: 1561 case GL_TEXTURE_COORD_ARRAY_SIZE: 1562 case GL_TEXTURE_COORD_ARRAY_TYPE: 1563 case GL_TEXTURE_COORD_ARRAY_STRIDE: 1564 array = &ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_TEX(ctx->Array.ActiveTexture)]; 1565 v->value_int = *(GLuint *) ((char *) array + d->offset); 1566 break; 1567 1568 case GL_ACTIVE_TEXTURE_ARB: 1569 v->value_int = GL_TEXTURE0_ARB + ctx->Texture.CurrentUnit; 1570 break; 1571 case GL_CLIENT_ACTIVE_TEXTURE_ARB: 1572 v->value_int = GL_TEXTURE0_ARB + ctx->Array.ActiveTexture; 1573 break; 1574 1575 case GL_MODELVIEW_STACK_DEPTH: 1576 case GL_PROJECTION_STACK_DEPTH: 1577 v->value_int = *(GLint *) ((char *) ctx + d->offset) + 1; 1578 break; 1579 1580 case GL_MAX_TEXTURE_SIZE: 1581 case GL_MAX_3D_TEXTURE_SIZE: 1582 case GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB: 1583 p = (GLuint *) ((char *) ctx + d->offset); 1584 v->value_int = 1 << (*p - 1); 1585 break; 1586 1587 case GL_SCISSOR_BOX: 1588 v->value_int_4[0] = ctx->Scissor.X; 1589 v->value_int_4[1] = ctx->Scissor.Y; 1590 v->value_int_4[2] = ctx->Scissor.Width; 1591 v->value_int_4[3] = ctx->Scissor.Height; 1592 break; 1593 1594 case GL_LIST_INDEX: 1595 v->value_int = 1596 ctx->ListState.CurrentList ? ctx->ListState.CurrentList->Name : 0; 1597 break; 1598 case GL_LIST_MODE: 1599 if (!ctx->CompileFlag) 1600 v->value_enum = 0; 1601 else if (ctx->ExecuteFlag) 1602 v->value_enum = GL_COMPILE_AND_EXECUTE; 1603 else 1604 v->value_enum = GL_COMPILE; 1605 break; 1606 1607 case GL_VIEWPORT: 1608 v->value_int_4[0] = ctx->Viewport.X; 1609 v->value_int_4[1] = ctx->Viewport.Y; 1610 v->value_int_4[2] = ctx->Viewport.Width; 1611 v->value_int_4[3] = ctx->Viewport.Height; 1612 break; 1613 1614 case GL_ACTIVE_STENCIL_FACE_EXT: 1615 v->value_enum = ctx->Stencil.ActiveFace ? GL_BACK : GL_FRONT; 1616 break; 1617 1618 case GL_STENCIL_FAIL: 1619 v->value_enum = ctx->Stencil.FailFunc[ctx->Stencil.ActiveFace]; 1620 break; 1621 case GL_STENCIL_FUNC: 1622 v->value_enum = ctx->Stencil.Function[ctx->Stencil.ActiveFace]; 1623 break; 1624 case GL_STENCIL_PASS_DEPTH_FAIL: 1625 v->value_enum = ctx->Stencil.ZFailFunc[ctx->Stencil.ActiveFace]; 1626 break; 1627 case GL_STENCIL_PASS_DEPTH_PASS: 1628 v->value_enum = ctx->Stencil.ZPassFunc[ctx->Stencil.ActiveFace]; 1629 break; 1630 case GL_STENCIL_REF: 1631 v->value_int = ctx->Stencil.Ref[ctx->Stencil.ActiveFace]; 1632 break; 1633 case GL_STENCIL_VALUE_MASK: 1634 v->value_int = ctx->Stencil.ValueMask[ctx->Stencil.ActiveFace]; 1635 break; 1636 case GL_STENCIL_WRITEMASK: 1637 v->value_int = ctx->Stencil.WriteMask[ctx->Stencil.ActiveFace]; 1638 break; 1639 1640 case GL_NUM_EXTENSIONS: 1641 v->value_int = _mesa_get_extension_count(ctx); 1642 break; 1643 1644 case GL_IMPLEMENTATION_COLOR_READ_TYPE_OES: 1645 v->value_int = _mesa_get_color_read_type(ctx); 1646 break; 1647 case GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES: 1648 v->value_int = _mesa_get_color_read_format(ctx); 1649 break; 1650 1651 case GL_CURRENT_MATRIX_STACK_DEPTH_ARB: 1652 v->value_int = ctx->CurrentStack->Depth + 1; 1653 break; 1654 case GL_CURRENT_MATRIX_ARB: 1655 case GL_TRANSPOSE_CURRENT_MATRIX_ARB: 1656 v->value_matrix = ctx->CurrentStack->Top; 1657 break; 1658 1659 case GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB: 1660 v->value_int = _mesa_get_compressed_formats(ctx, NULL); 1661 break; 1662 case GL_COMPRESSED_TEXTURE_FORMATS_ARB: 1663 v->value_int_n.n = 1664 _mesa_get_compressed_formats(ctx, v->value_int_n.ints); 1665 ASSERT(v->value_int_n.n <= 100); 1666 break; 1667 1668 case GL_MAX_VARYING_FLOATS_ARB: 1669 v->value_int = ctx->Const.MaxVarying * 4; 1670 break; 1671 1672 /* Various object names */ 1673 1674 case GL_TEXTURE_BINDING_1D: 1675 case GL_TEXTURE_BINDING_2D: 1676 case GL_TEXTURE_BINDING_3D: 1677 case GL_TEXTURE_BINDING_1D_ARRAY_EXT: 1678 case GL_TEXTURE_BINDING_2D_ARRAY_EXT: 1679 case GL_TEXTURE_BINDING_CUBE_MAP_ARB: 1680 case GL_TEXTURE_BINDING_RECTANGLE_NV: 1681 case GL_TEXTURE_BINDING_EXTERNAL_OES: 1682 unit = ctx->Texture.CurrentUnit; 1683 v->value_int = 1684 ctx->Texture.Unit[unit].CurrentTex[d->offset]->Name; 1685 break; 1686 1687 /* GL_ARB_vertex_buffer_object */ 1688 case GL_VERTEX_ARRAY_BUFFER_BINDING_ARB: 1689 case GL_NORMAL_ARRAY_BUFFER_BINDING_ARB: 1690 case GL_COLOR_ARRAY_BUFFER_BINDING_ARB: 1691 case GL_INDEX_ARRAY_BUFFER_BINDING_ARB: 1692 case GL_EDGE_FLAG_ARRAY_BUFFER_BINDING_ARB: 1693 case GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING_ARB: 1694 case GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING_ARB: 1695 buffer_obj = (struct gl_buffer_object **) 1696 ((char *) ctx->Array.ArrayObj + d->offset); 1697 v->value_int = (*buffer_obj)->Name; 1698 break; 1699 case GL_ARRAY_BUFFER_BINDING_ARB: 1700 v->value_int = ctx->Array.ArrayBufferObj->Name; 1701 break; 1702 case GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING_ARB: 1703 v->value_int = 1704 ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_TEX(ctx->Array.ActiveTexture)].BufferObj->Name; 1705 break; 1706 case GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB: 1707 v->value_int = ctx->Array.ArrayObj->ElementArrayBufferObj->Name; 1708 break; 1709 1710 /* ARB_copy_buffer */ 1711 case GL_COPY_READ_BUFFER: 1712 v->value_int = ctx->CopyReadBuffer->Name; 1713 break; 1714 case GL_COPY_WRITE_BUFFER: 1715 v->value_int = ctx->CopyWriteBuffer->Name; 1716 break; 1717 1718 case GL_FRAGMENT_PROGRAM_BINDING_NV: 1719 v->value_int = 1720 ctx->FragmentProgram.Current ? ctx->FragmentProgram.Current->Base.Id : 0; 1721 break; 1722 case GL_VERTEX_PROGRAM_BINDING_NV: 1723 v->value_int = 1724 ctx->VertexProgram.Current ? ctx->VertexProgram.Current->Base.Id : 0; 1725 break; 1726 case GL_PIXEL_PACK_BUFFER_BINDING_EXT: 1727 v->value_int = ctx->Pack.BufferObj->Name; 1728 break; 1729 case GL_PIXEL_UNPACK_BUFFER_BINDING_EXT: 1730 v->value_int = ctx->Unpack.BufferObj->Name; 1731 break; 1732 case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING: 1733 v->value_int = ctx->TransformFeedback.CurrentBuffer->Name; 1734 break; 1735 case GL_TRANSFORM_FEEDBACK_BUFFER_PAUSED: 1736 v->value_int = ctx->TransformFeedback.CurrentObject->Paused; 1737 break; 1738 case GL_TRANSFORM_FEEDBACK_BUFFER_ACTIVE: 1739 v->value_int = ctx->TransformFeedback.CurrentObject->Active; 1740 break; 1741 case GL_TRANSFORM_FEEDBACK_BINDING: 1742 v->value_int = ctx->TransformFeedback.CurrentObject->Name; 1743 break; 1744 case GL_CURRENT_PROGRAM: 1745 v->value_int = 1746 ctx->Shader.ActiveProgram ? ctx->Shader.ActiveProgram->Name : 0; 1747 break; 1748 case GL_READ_FRAMEBUFFER_BINDING_EXT: 1749 v->value_int = ctx->ReadBuffer->Name; 1750 break; 1751 case GL_RENDERBUFFER_BINDING_EXT: 1752 v->value_int = 1753 ctx->CurrentRenderbuffer ? ctx->CurrentRenderbuffer->Name : 0; 1754 break; 1755 case GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES: 1756 v->value_int = ctx->Array.ArrayObj->VertexAttrib[VERT_ATTRIB_POINT_SIZE].BufferObj->Name; 1757 break; 1758 1759 case GL_FOG_COLOR: 1760 if(ctx->Color._ClampFragmentColor) 1761 COPY_4FV(v->value_float_4, ctx->Fog.Color); 1762 else 1763 COPY_4FV(v->value_float_4, ctx->Fog.ColorUnclamped); 1764 break; 1765 case GL_COLOR_CLEAR_VALUE: 1766 if(ctx->Color._ClampFragmentColor) { 1767 v->value_float_4[0] = CLAMP(ctx->Color.ClearColor.f[0], 0.0F, 1.0F); 1768 v->value_float_4[1] = CLAMP(ctx->Color.ClearColor.f[1], 0.0F, 1.0F); 1769 v->value_float_4[2] = CLAMP(ctx->Color.ClearColor.f[2], 0.0F, 1.0F); 1770 v->value_float_4[3] = CLAMP(ctx->Color.ClearColor.f[3], 0.0F, 1.0F); 1771 } else 1772 COPY_4FV(v->value_float_4, ctx->Color.ClearColor.f); 1773 break; 1774 case GL_BLEND_COLOR_EXT: 1775 if(ctx->Color._ClampFragmentColor) 1776 COPY_4FV(v->value_float_4, ctx->Color.BlendColor); 1777 else 1778 COPY_4FV(v->value_float_4, ctx->Color.BlendColorUnclamped); 1779 break; 1780 case GL_ALPHA_TEST_REF: 1781 if(ctx->Color._ClampFragmentColor) 1782 v->value_float = ctx->Color.AlphaRef; 1783 else 1784 v->value_float = ctx->Color.AlphaRefUnclamped; 1785 break; 1786 case GL_MAX_VERTEX_UNIFORM_VECTORS: 1787 v->value_int = ctx->Const.VertexProgram.MaxUniformComponents / 4; 1788 break; 1789 1790 case GL_MAX_FRAGMENT_UNIFORM_VECTORS: 1791 v->value_int = ctx->Const.FragmentProgram.MaxUniformComponents / 4; 1792 break; 1793 1794 /* GL_ARB_texture_buffer_object */ 1795 case GL_TEXTURE_BUFFER_ARB: 1796 v->value_int = ctx->Texture.BufferObject->Name; 1797 break; 1798 case GL_TEXTURE_BINDING_BUFFER_ARB: 1799 unit = ctx->Texture.CurrentUnit; 1800 v->value_int = 1801 ctx->Texture.Unit[unit].CurrentTex[TEXTURE_BUFFER_INDEX]->Name; 1802 break; 1803 case GL_TEXTURE_BUFFER_DATA_STORE_BINDING_ARB: 1804 { 1805 struct gl_buffer_object *buf = 1806 ctx->Texture.Unit[ctx->Texture.CurrentUnit] 1807 .CurrentTex[TEXTURE_BUFFER_INDEX]->BufferObject; 1808 v->value_int = buf ? buf->Name : 0; 1809 } 1810 break; 1811 case GL_TEXTURE_BUFFER_FORMAT_ARB: 1812 v->value_int = ctx->Texture.Unit[ctx->Texture.CurrentUnit] 1813 .CurrentTex[TEXTURE_BUFFER_INDEX]->BufferObjectFormat; 1814 break; 1815 1816 /* GL_ARB_sampler_objects */ 1817 case GL_SAMPLER_BINDING: 1818 { 1819 struct gl_sampler_object *samp = 1820 ctx->Texture.Unit[ctx->Texture.CurrentUnit].Sampler; 1821 v->value_int = samp ? samp->Name : 0; 1822 } 1823 break; 1824 /* GL_ARB_uniform_buffer_object */ 1825 case GL_UNIFORM_BUFFER_BINDING: 1826 v->value_int = ctx->UniformBuffer->Name; 1827 break; 1828 /* GL_ARB_timer_query */ 1829 case GL_TIMESTAMP: 1830 if (ctx->Driver.GetTimestamp) { 1831 v->value_int64 = ctx->Driver.GetTimestamp(ctx); 1832 } 1833 else { 1834 _mesa_problem(ctx, "driver doesn't implement GetTimestamp"); 1835 } 1836 break; 1837 } 1838} 1839 1840/** 1841 * Check extra constraints on a struct value_desc descriptor 1842 * 1843 * If a struct value_desc has a non-NULL extra pointer, it means that 1844 * there are a number of extra constraints to check or actions to 1845 * perform. The extras is just an integer array where each integer 1846 * encode different constraints or actions. 1847 * 1848 * \param ctx current context 1849 * \param func name of calling glGet*v() function for error reporting 1850 * \param d the struct value_desc that has the extra constraints 1851 * 1852 * \return GL_FALSE if one of the constraints was not satisfied, 1853 * otherwise GL_TRUE. 1854 */ 1855static GLboolean 1856check_extra(struct gl_context *ctx, const char *func, const struct value_desc *d) 1857{ 1858 const GLuint version = ctx->Version; 1859 int total, enabled; 1860 const int *e; 1861 1862 total = 0; 1863 enabled = 0; 1864 for (e = d->extra; *e != EXTRA_END; e++) 1865 switch (*e) { 1866 case EXTRA_VERSION_30: 1867 if (version >= 30) { 1868 total++; 1869 enabled++; 1870 } 1871 break; 1872 case EXTRA_VERSION_31: 1873 if (version >= 31) { 1874 total++; 1875 enabled++; 1876 } 1877 break; 1878 case EXTRA_VERSION_32: 1879 if (version >= 32) { 1880 total++; 1881 enabled++; 1882 } 1883 break; 1884 case EXTRA_NEW_FRAG_CLAMP: 1885 if (ctx->NewState & (_NEW_BUFFERS | _NEW_FRAG_CLAMP)) 1886 _mesa_update_state(ctx); 1887 break; 1888 case EXTRA_API_ES2: 1889 if (ctx->API == API_OPENGLES2) { 1890 total++; 1891 enabled++; 1892 } 1893 break; 1894 case EXTRA_API_GL: 1895 if (_mesa_is_desktop_gl(ctx)) { 1896 total++; 1897 enabled++; 1898 } 1899 break; 1900 case EXTRA_NEW_BUFFERS: 1901 if (ctx->NewState & _NEW_BUFFERS) 1902 _mesa_update_state(ctx); 1903 break; 1904 case EXTRA_FLUSH_CURRENT: 1905 FLUSH_CURRENT(ctx, 0); 1906 break; 1907 case EXTRA_VALID_DRAW_BUFFER: 1908 if (d->pname - GL_DRAW_BUFFER0_ARB >= ctx->Const.MaxDrawBuffers) { 1909 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(draw buffer %u)", 1910 func, d->pname - GL_DRAW_BUFFER0_ARB); 1911 return GL_FALSE; 1912 } 1913 break; 1914 case EXTRA_VALID_TEXTURE_UNIT: 1915 if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) { 1916 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(texture %u)", 1917 func, ctx->Texture.CurrentUnit); 1918 return GL_FALSE; 1919 } 1920 break; 1921 case EXTRA_VALID_CLIP_DISTANCE: 1922 if (d->pname - GL_CLIP_DISTANCE0 >= ctx->Const.MaxClipPlanes) { 1923 _mesa_error(ctx, GL_INVALID_ENUM, "%s(clip distance %u)", 1924 func, d->pname - GL_CLIP_DISTANCE0); 1925 return GL_FALSE; 1926 } 1927 break; 1928 case EXTRA_GLSL_130: 1929 if (ctx->Const.GLSLVersion >= 130) { 1930 total++; 1931 enabled++; 1932 } 1933 break; 1934 case EXTRA_END: 1935 break; 1936 default: /* *e is a offset into the extension struct */ 1937 total++; 1938 if (*(GLboolean *) ((char *) &ctx->Extensions + *e)) 1939 enabled++; 1940 break; 1941 } 1942 1943 if (total > 0 && enabled == 0) { 1944 _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=%s)", func, 1945 _mesa_lookup_enum_by_nr(d->pname)); 1946 return GL_FALSE; 1947 } 1948 1949 return GL_TRUE; 1950} 1951 1952static const struct value_desc error_value = 1953 { 0, 0, TYPE_INVALID, NO_OFFSET, NO_EXTRA }; 1954 1955/** 1956 * Find the struct value_desc corresponding to the enum 'pname'. 1957 * 1958 * We hash the enum value to get an index into the 'table' array, 1959 * which holds the index in the 'values' array of struct value_desc. 1960 * Once we've found the entry, we do the extra checks, if any, then 1961 * look up the value and return a pointer to it. 1962 * 1963 * If the value has to be computed (for example, it's the result of a 1964 * function call or we need to add 1 to it), we use the tmp 'v' to 1965 * store the result. 1966 * 1967 * \param func name of glGet*v() func for error reporting 1968 * \param pname the enum value we're looking up 1969 * \param p is were we return the pointer to the value 1970 * \param v a tmp union value variable in the calling glGet*v() function 1971 * 1972 * \return the struct value_desc corresponding to the enum or a struct 1973 * value_desc of TYPE_INVALID if not found. This lets the calling 1974 * glGet*v() function jump right into a switch statement and 1975 * handle errors there instead of having to check for NULL. 1976 */ 1977static const struct value_desc * 1978find_value(const char *func, GLenum pname, void **p, union value *v) 1979{ 1980 GET_CURRENT_CONTEXT(ctx); 1981 struct gl_texture_unit *unit; 1982 int mask, hash; 1983 const struct value_desc *d; 1984 1985 mask = Elements(table) - 1; 1986 hash = (pname * prime_factor); 1987 while (1) { 1988 d = &values[table[hash & mask]]; 1989 1990 /* If the enum isn't valid, the hash walk ends with index 0, 1991 * which is the API mask entry at the beginning of values[]. */ 1992 if (unlikely(d->type == TYPE_API_MASK)) { 1993 _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=%s)", func, 1994 _mesa_lookup_enum_by_nr(pname)); 1995 return &error_value; 1996 } 1997 1998 if (likely(d->pname == pname)) 1999 break; 2000 2001 hash += prime_step; 2002 } 2003 2004 if (unlikely(d->extra && !check_extra(ctx, func, d))) 2005 return &error_value; 2006 2007 switch (d->location) { 2008 case LOC_BUFFER: 2009 *p = ((char *) ctx->DrawBuffer + d->offset); 2010 return d; 2011 case LOC_CONTEXT: 2012 *p = ((char *) ctx + d->offset); 2013 return d; 2014 case LOC_ARRAY: 2015 *p = ((char *) ctx->Array.ArrayObj + d->offset); 2016 return d; 2017 case LOC_TEXUNIT: 2018 unit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; 2019 *p = ((char *) unit + d->offset); 2020 return d; 2021 case LOC_CUSTOM: 2022 find_custom_value(ctx, d, v); 2023 *p = v; 2024 return d; 2025 default: 2026 assert(0); 2027 break; 2028 } 2029 2030 /* silence warning */ 2031 return &error_value; 2032} 2033 2034static const int transpose[] = { 2035 0, 4, 8, 12, 2036 1, 5, 9, 13, 2037 2, 6, 10, 14, 2038 3, 7, 11, 15 2039}; 2040 2041void GLAPIENTRY 2042_mesa_GetBooleanv(GLenum pname, GLboolean *params) 2043{ 2044 const struct value_desc *d; 2045 union value v; 2046 GLmatrix *m; 2047 int shift, i; 2048 void *p; 2049 GET_CURRENT_CONTEXT(ctx); 2050 2051 ASSERT_OUTSIDE_BEGIN_END(ctx); 2052 2053 d = find_value("glGetBooleanv", pname, &p, &v); 2054 switch (d->type) { 2055 case TYPE_INVALID: 2056 break; 2057 case TYPE_CONST: 2058 params[0] = INT_TO_BOOLEAN(d->offset); 2059 break; 2060 2061 case TYPE_FLOAT_4: 2062 case TYPE_FLOATN_4: 2063 params[3] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[3]); 2064 case TYPE_FLOAT_3: 2065 case TYPE_FLOATN_3: 2066 params[2] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[2]); 2067 case TYPE_FLOAT_2: 2068 case TYPE_FLOATN_2: 2069 params[1] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[1]); 2070 case TYPE_FLOAT: 2071 case TYPE_FLOATN: 2072 params[0] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[0]); 2073 break; 2074 2075 case TYPE_DOUBLEN: 2076 params[0] = FLOAT_TO_BOOLEAN(((GLdouble *) p)[0]); 2077 break; 2078 2079 case TYPE_INT_4: 2080 params[3] = INT_TO_BOOLEAN(((GLint *) p)[3]); 2081 case TYPE_INT_3: 2082 params[2] = INT_TO_BOOLEAN(((GLint *) p)[2]); 2083 case TYPE_INT_2: 2084 case TYPE_ENUM_2: 2085 params[1] = INT_TO_BOOLEAN(((GLint *) p)[1]); 2086 case TYPE_INT: 2087 case TYPE_ENUM: 2088 params[0] = INT_TO_BOOLEAN(((GLint *) p)[0]); 2089 break; 2090 2091 case TYPE_INT_N: 2092 for (i = 0; i < v.value_int_n.n; i++) 2093 params[i] = INT_TO_BOOLEAN(v.value_int_n.ints[i]); 2094 break; 2095 2096 case TYPE_INT64: 2097 params[0] = INT64_TO_BOOLEAN(((GLint64 *) p)[0]); 2098 break; 2099 2100 case TYPE_BOOLEAN: 2101 params[0] = ((GLboolean*) p)[0]; 2102 break; 2103 2104 case TYPE_MATRIX: 2105 m = *(GLmatrix **) p; 2106 for (i = 0; i < 16; i++) 2107 params[i] = FLOAT_TO_BOOLEAN(m->m[i]); 2108 break; 2109 2110 case TYPE_MATRIX_T: 2111 m = *(GLmatrix **) p; 2112 for (i = 0; i < 16; i++) 2113 params[i] = FLOAT_TO_BOOLEAN(m->m[transpose[i]]); 2114 break; 2115 2116 case TYPE_BIT_0: 2117 case TYPE_BIT_1: 2118 case TYPE_BIT_2: 2119 case TYPE_BIT_3: 2120 case TYPE_BIT_4: 2121 case TYPE_BIT_5: 2122 case TYPE_BIT_6: 2123 case TYPE_BIT_7: 2124 shift = d->type - TYPE_BIT_0; 2125 params[0] = (*(GLbitfield *) p >> shift) & 1; 2126 break; 2127 } 2128} 2129 2130void GLAPIENTRY 2131_mesa_GetFloatv(GLenum pname, GLfloat *params) 2132{ 2133 const struct value_desc *d; 2134 union value v; 2135 GLmatrix *m; 2136 int shift, i; 2137 void *p; 2138 GET_CURRENT_CONTEXT(ctx); 2139 2140 ASSERT_OUTSIDE_BEGIN_END(ctx); 2141 2142 d = find_value("glGetFloatv", pname, &p, &v); 2143 switch (d->type) { 2144 case TYPE_INVALID: 2145 break; 2146 case TYPE_CONST: 2147 params[0] = (GLfloat) d->offset; 2148 break; 2149 2150 case TYPE_FLOAT_4: 2151 case TYPE_FLOATN_4: 2152 params[3] = ((GLfloat *) p)[3]; 2153 case TYPE_FLOAT_3: 2154 case TYPE_FLOATN_3: 2155 params[2] = ((GLfloat *) p)[2]; 2156 case TYPE_FLOAT_2: 2157 case TYPE_FLOATN_2: 2158 params[1] = ((GLfloat *) p)[1]; 2159 case TYPE_FLOAT: 2160 case TYPE_FLOATN: 2161 params[0] = ((GLfloat *) p)[0]; 2162 break; 2163 2164 case TYPE_DOUBLEN: 2165 params[0] = ((GLdouble *) p)[0]; 2166 break; 2167 2168 case TYPE_INT_4: 2169 params[3] = (GLfloat) (((GLint *) p)[3]); 2170 case TYPE_INT_3: 2171 params[2] = (GLfloat) (((GLint *) p)[2]); 2172 case TYPE_INT_2: 2173 case TYPE_ENUM_2: 2174 params[1] = (GLfloat) (((GLint *) p)[1]); 2175 case TYPE_INT: 2176 case TYPE_ENUM: 2177 params[0] = (GLfloat) (((GLint *) p)[0]); 2178 break; 2179 2180 case TYPE_INT_N: 2181 for (i = 0; i < v.value_int_n.n; i++) 2182 params[i] = INT_TO_FLOAT(v.value_int_n.ints[i]); 2183 break; 2184 2185 case TYPE_INT64: 2186 params[0] = ((GLint64 *) p)[0]; 2187 break; 2188 2189 case TYPE_BOOLEAN: 2190 params[0] = BOOLEAN_TO_FLOAT(*(GLboolean*) p); 2191 break; 2192 2193 case TYPE_MATRIX: 2194 m = *(GLmatrix **) p; 2195 for (i = 0; i < 16; i++) 2196 params[i] = m->m[i]; 2197 break; 2198 2199 case TYPE_MATRIX_T: 2200 m = *(GLmatrix **) p; 2201 for (i = 0; i < 16; i++) 2202 params[i] = m->m[transpose[i]]; 2203 break; 2204 2205 case TYPE_BIT_0: 2206 case TYPE_BIT_1: 2207 case TYPE_BIT_2: 2208 case TYPE_BIT_3: 2209 case TYPE_BIT_4: 2210 case TYPE_BIT_5: 2211 case TYPE_BIT_6: 2212 case TYPE_BIT_7: 2213 shift = d->type - TYPE_BIT_0; 2214 params[0] = BOOLEAN_TO_FLOAT((*(GLbitfield *) p >> shift) & 1); 2215 break; 2216 } 2217} 2218 2219void GLAPIENTRY 2220_mesa_GetIntegerv(GLenum pname, GLint *params) 2221{ 2222 const struct value_desc *d; 2223 union value v; 2224 GLmatrix *m; 2225 int shift, i; 2226 void *p; 2227 GET_CURRENT_CONTEXT(ctx); 2228 2229 ASSERT_OUTSIDE_BEGIN_END(ctx); 2230 2231 d = find_value("glGetIntegerv", pname, &p, &v); 2232 switch (d->type) { 2233 case TYPE_INVALID: 2234 break; 2235 case TYPE_CONST: 2236 params[0] = d->offset; 2237 break; 2238 2239 case TYPE_FLOAT_4: 2240 params[3] = IROUND(((GLfloat *) p)[3]); 2241 case TYPE_FLOAT_3: 2242 params[2] = IROUND(((GLfloat *) p)[2]); 2243 case TYPE_FLOAT_2: 2244 params[1] = IROUND(((GLfloat *) p)[1]); 2245 case TYPE_FLOAT: 2246 params[0] = IROUND(((GLfloat *) p)[0]); 2247 break; 2248 2249 case TYPE_FLOATN_4: 2250 params[3] = FLOAT_TO_INT(((GLfloat *) p)[3]); 2251 case TYPE_FLOATN_3: 2252 params[2] = FLOAT_TO_INT(((GLfloat *) p)[2]); 2253 case TYPE_FLOATN_2: 2254 params[1] = FLOAT_TO_INT(((GLfloat *) p)[1]); 2255 case TYPE_FLOATN: 2256 params[0] = FLOAT_TO_INT(((GLfloat *) p)[0]); 2257 break; 2258 2259 case TYPE_DOUBLEN: 2260 params[0] = FLOAT_TO_INT(((GLdouble *) p)[0]); 2261 break; 2262 2263 case TYPE_INT_4: 2264 params[3] = ((GLint *) p)[3]; 2265 case TYPE_INT_3: 2266 params[2] = ((GLint *) p)[2]; 2267 case TYPE_INT_2: 2268 case TYPE_ENUM_2: 2269 params[1] = ((GLint *) p)[1]; 2270 case TYPE_INT: 2271 case TYPE_ENUM: 2272 params[0] = ((GLint *) p)[0]; 2273 break; 2274 2275 case TYPE_INT_N: 2276 for (i = 0; i < v.value_int_n.n; i++) 2277 params[i] = v.value_int_n.ints[i]; 2278 break; 2279 2280 case TYPE_INT64: 2281 params[0] = INT64_TO_INT(((GLint64 *) p)[0]); 2282 break; 2283 2284 case TYPE_BOOLEAN: 2285 params[0] = BOOLEAN_TO_INT(*(GLboolean*) p); 2286 break; 2287 2288 case TYPE_MATRIX: 2289 m = *(GLmatrix **) p; 2290 for (i = 0; i < 16; i++) 2291 params[i] = FLOAT_TO_INT(m->m[i]); 2292 break; 2293 2294 case TYPE_MATRIX_T: 2295 m = *(GLmatrix **) p; 2296 for (i = 0; i < 16; i++) 2297 params[i] = FLOAT_TO_INT(m->m[transpose[i]]); 2298 break; 2299 2300 case TYPE_BIT_0: 2301 case TYPE_BIT_1: 2302 case TYPE_BIT_2: 2303 case TYPE_BIT_3: 2304 case TYPE_BIT_4: 2305 case TYPE_BIT_5: 2306 case TYPE_BIT_6: 2307 case TYPE_BIT_7: 2308 shift = d->type - TYPE_BIT_0; 2309 params[0] = (*(GLbitfield *) p >> shift) & 1; 2310 break; 2311 } 2312} 2313 2314#if FEATURE_ARB_sync 2315void GLAPIENTRY 2316_mesa_GetInteger64v(GLenum pname, GLint64 *params) 2317{ 2318 const struct value_desc *d; 2319 union value v; 2320 GLmatrix *m; 2321 int shift, i; 2322 void *p; 2323 GET_CURRENT_CONTEXT(ctx); 2324 2325 ASSERT_OUTSIDE_BEGIN_END(ctx); 2326 2327 d = find_value("glGetInteger64v", pname, &p, &v); 2328 switch (d->type) { 2329 case TYPE_INVALID: 2330 break; 2331 case TYPE_CONST: 2332 params[0] = d->offset; 2333 break; 2334 2335 case TYPE_FLOAT_4: 2336 params[3] = IROUND64(((GLfloat *) p)[3]); 2337 case TYPE_FLOAT_3: 2338 params[2] = IROUND64(((GLfloat *) p)[2]); 2339 case TYPE_FLOAT_2: 2340 params[1] = IROUND64(((GLfloat *) p)[1]); 2341 case TYPE_FLOAT: 2342 params[0] = IROUND64(((GLfloat *) p)[0]); 2343 break; 2344 2345 case TYPE_FLOATN_4: 2346 params[3] = FLOAT_TO_INT64(((GLfloat *) p)[3]); 2347 case TYPE_FLOATN_3: 2348 params[2] = FLOAT_TO_INT64(((GLfloat *) p)[2]); 2349 case TYPE_FLOATN_2: 2350 params[1] = FLOAT_TO_INT64(((GLfloat *) p)[1]); 2351 case TYPE_FLOATN: 2352 params[0] = FLOAT_TO_INT64(((GLfloat *) p)[0]); 2353 break; 2354 2355 case TYPE_DOUBLEN: 2356 params[0] = FLOAT_TO_INT64(((GLdouble *) p)[0]); 2357 break; 2358 2359 case TYPE_INT_4: 2360 params[3] = ((GLint *) p)[3]; 2361 case TYPE_INT_3: 2362 params[2] = ((GLint *) p)[2]; 2363 case TYPE_INT_2: 2364 case TYPE_ENUM_2: 2365 params[1] = ((GLint *) p)[1]; 2366 case TYPE_INT: 2367 case TYPE_ENUM: 2368 params[0] = ((GLint *) p)[0]; 2369 break; 2370 2371 case TYPE_INT_N: 2372 for (i = 0; i < v.value_int_n.n; i++) 2373 params[i] = INT_TO_BOOLEAN(v.value_int_n.ints[i]); 2374 break; 2375 2376 case TYPE_INT64: 2377 params[0] = ((GLint64 *) p)[0]; 2378 break; 2379 2380 case TYPE_BOOLEAN: 2381 params[0] = ((GLboolean*) p)[0]; 2382 break; 2383 2384 case TYPE_MATRIX: 2385 m = *(GLmatrix **) p; 2386 for (i = 0; i < 16; i++) 2387 params[i] = FLOAT_TO_INT64(m->m[i]); 2388 break; 2389 2390 case TYPE_MATRIX_T: 2391 m = *(GLmatrix **) p; 2392 for (i = 0; i < 16; i++) 2393 params[i] = FLOAT_TO_INT64(m->m[transpose[i]]); 2394 break; 2395 2396 case TYPE_BIT_0: 2397 case TYPE_BIT_1: 2398 case TYPE_BIT_2: 2399 case TYPE_BIT_3: 2400 case TYPE_BIT_4: 2401 case TYPE_BIT_5: 2402 case TYPE_BIT_6: 2403 case TYPE_BIT_7: 2404 shift = d->type - TYPE_BIT_0; 2405 params[0] = (*(GLbitfield *) p >> shift) & 1; 2406 break; 2407 } 2408} 2409#endif /* FEATURE_ARB_sync */ 2410 2411void GLAPIENTRY 2412_mesa_GetDoublev(GLenum pname, GLdouble *params) 2413{ 2414 const struct value_desc *d; 2415 union value v; 2416 GLmatrix *m; 2417 int shift, i; 2418 void *p; 2419 GET_CURRENT_CONTEXT(ctx); 2420 2421 ASSERT_OUTSIDE_BEGIN_END(ctx); 2422 2423 d = find_value("glGetDoublev", pname, &p, &v); 2424 switch (d->type) { 2425 case TYPE_INVALID: 2426 break; 2427 case TYPE_CONST: 2428 params[0] = d->offset; 2429 break; 2430 2431 case TYPE_FLOAT_4: 2432 case TYPE_FLOATN_4: 2433 params[3] = ((GLfloat *) p)[3]; 2434 case TYPE_FLOAT_3: 2435 case TYPE_FLOATN_3: 2436 params[2] = ((GLfloat *) p)[2]; 2437 case TYPE_FLOAT_2: 2438 case TYPE_FLOATN_2: 2439 params[1] = ((GLfloat *) p)[1]; 2440 case TYPE_FLOAT: 2441 case TYPE_FLOATN: 2442 params[0] = ((GLfloat *) p)[0]; 2443 break; 2444 2445 case TYPE_DOUBLEN: 2446 params[0] = ((GLdouble *) p)[0]; 2447 break; 2448 2449 case TYPE_INT_4: 2450 params[3] = ((GLint *) p)[3]; 2451 case TYPE_INT_3: 2452 params[2] = ((GLint *) p)[2]; 2453 case TYPE_INT_2: 2454 case TYPE_ENUM_2: 2455 params[1] = ((GLint *) p)[1]; 2456 case TYPE_INT: 2457 case TYPE_ENUM: 2458 params[0] = ((GLint *) p)[0]; 2459 break; 2460 2461 case TYPE_INT_N: 2462 for (i = 0; i < v.value_int_n.n; i++) 2463 params[i] = v.value_int_n.ints[i]; 2464 break; 2465 2466 case TYPE_INT64: 2467 params[0] = ((GLint64 *) p)[0]; 2468 break; 2469 2470 case TYPE_BOOLEAN: 2471 params[0] = *(GLboolean*) p; 2472 break; 2473 2474 case TYPE_MATRIX: 2475 m = *(GLmatrix **) p; 2476 for (i = 0; i < 16; i++) 2477 params[i] = m->m[i]; 2478 break; 2479 2480 case TYPE_MATRIX_T: 2481 m = *(GLmatrix **) p; 2482 for (i = 0; i < 16; i++) 2483 params[i] = m->m[transpose[i]]; 2484 break; 2485 2486 case TYPE_BIT_0: 2487 case TYPE_BIT_1: 2488 case TYPE_BIT_2: 2489 case TYPE_BIT_3: 2490 case TYPE_BIT_4: 2491 case TYPE_BIT_5: 2492 case TYPE_BIT_6: 2493 case TYPE_BIT_7: 2494 shift = d->type - TYPE_BIT_0; 2495 params[0] = (*(GLbitfield *) p >> shift) & 1; 2496 break; 2497 } 2498} 2499 2500static enum value_type 2501find_value_indexed(const char *func, GLenum pname, int index, union value *v) 2502{ 2503 GET_CURRENT_CONTEXT(ctx); 2504 2505 switch (pname) { 2506 2507 case GL_BLEND: 2508 if (index >= ctx->Const.MaxDrawBuffers) 2509 goto invalid_value; 2510 if (!ctx->Extensions.EXT_draw_buffers2) 2511 goto invalid_enum; 2512 v->value_int = (ctx->Color.BlendEnabled >> index) & 1; 2513 return TYPE_INT; 2514 2515 case GL_BLEND_SRC: 2516 /* fall-through */ 2517 case GL_BLEND_SRC_RGB: 2518 if (index >= ctx->Const.MaxDrawBuffers) 2519 goto invalid_value; 2520 if (!ctx->Extensions.ARB_draw_buffers_blend) 2521 goto invalid_enum; 2522 v->value_int = ctx->Color.Blend[index].SrcRGB; 2523 return TYPE_INT; 2524 case GL_BLEND_SRC_ALPHA: 2525 if (index >= ctx->Const.MaxDrawBuffers) 2526 goto invalid_value; 2527 if (!ctx->Extensions.ARB_draw_buffers_blend) 2528 goto invalid_enum; 2529 v->value_int = ctx->Color.Blend[index].SrcA; 2530 return TYPE_INT; 2531 case GL_BLEND_DST: 2532 /* fall-through */ 2533 case GL_BLEND_DST_RGB: 2534 if (index >= ctx->Const.MaxDrawBuffers) 2535 goto invalid_value; 2536 if (!ctx->Extensions.ARB_draw_buffers_blend) 2537 goto invalid_enum; 2538 v->value_int = ctx->Color.Blend[index].DstRGB; 2539 return TYPE_INT; 2540 case GL_BLEND_DST_ALPHA: 2541 if (index >= ctx->Const.MaxDrawBuffers) 2542 goto invalid_value; 2543 if (!ctx->Extensions.ARB_draw_buffers_blend) 2544 goto invalid_enum; 2545 v->value_int = ctx->Color.Blend[index].DstA; 2546 return TYPE_INT; 2547 case GL_BLEND_EQUATION_RGB: 2548 if (index >= ctx->Const.MaxDrawBuffers) 2549 goto invalid_value; 2550 if (!ctx->Extensions.ARB_draw_buffers_blend) 2551 goto invalid_enum; 2552 v->value_int = ctx->Color.Blend[index].EquationRGB; 2553 return TYPE_INT; 2554 case GL_BLEND_EQUATION_ALPHA: 2555 if (index >= ctx->Const.MaxDrawBuffers) 2556 goto invalid_value; 2557 if (!ctx->Extensions.ARB_draw_buffers_blend) 2558 goto invalid_enum; 2559 v->value_int = ctx->Color.Blend[index].EquationA; 2560 return TYPE_INT; 2561 2562 case GL_COLOR_WRITEMASK: 2563 if (index >= ctx->Const.MaxDrawBuffers) 2564 goto invalid_value; 2565 if (!ctx->Extensions.EXT_draw_buffers2) 2566 goto invalid_enum; 2567 v->value_int_4[0] = ctx->Color.ColorMask[index][RCOMP] ? 1 : 0; 2568 v->value_int_4[1] = ctx->Color.ColorMask[index][GCOMP] ? 1 : 0; 2569 v->value_int_4[2] = ctx->Color.ColorMask[index][BCOMP] ? 1 : 0; 2570 v->value_int_4[3] = ctx->Color.ColorMask[index][ACOMP] ? 1 : 0; 2571 return TYPE_INT_4; 2572 2573 case GL_TRANSFORM_FEEDBACK_BUFFER_START: 2574 if (index >= ctx->Const.MaxTransformFeedbackBuffers) 2575 goto invalid_value; 2576 if (!ctx->Extensions.EXT_transform_feedback) 2577 goto invalid_enum; 2578 v->value_int64 = ctx->TransformFeedback.CurrentObject->Offset[index]; 2579 return TYPE_INT64; 2580 2581 case GL_TRANSFORM_FEEDBACK_BUFFER_SIZE: 2582 if (index >= ctx->Const.MaxTransformFeedbackBuffers) 2583 goto invalid_value; 2584 if (!ctx->Extensions.EXT_transform_feedback) 2585 goto invalid_enum; 2586 v->value_int64 = ctx->TransformFeedback.CurrentObject->Size[index]; 2587 return TYPE_INT64; 2588 2589 case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING: 2590 if (index >= ctx->Const.MaxTransformFeedbackBuffers) 2591 goto invalid_value; 2592 if (!ctx->Extensions.EXT_transform_feedback) 2593 goto invalid_enum; 2594 v->value_int = ctx->TransformFeedback.CurrentObject->BufferNames[index]; 2595 return TYPE_INT; 2596 2597 case GL_UNIFORM_BUFFER_BINDING: 2598 if (index >= ctx->Const.MaxUniformBufferBindings) 2599 goto invalid_value; 2600 if (!ctx->Extensions.ARB_uniform_buffer_object) 2601 goto invalid_enum; 2602 v->value_int = ctx->UniformBufferBindings[index].BufferObject->Name; 2603 return TYPE_INT; 2604 2605 case GL_UNIFORM_BUFFER_START: 2606 if (index >= ctx->Const.MaxUniformBufferBindings) 2607 goto invalid_value; 2608 if (!ctx->Extensions.ARB_uniform_buffer_object) 2609 goto invalid_enum; 2610 v->value_int = ctx->UniformBufferBindings[index].Offset; 2611 return TYPE_INT; 2612 2613 case GL_UNIFORM_BUFFER_SIZE: 2614 if (index >= ctx->Const.MaxUniformBufferBindings) 2615 goto invalid_value; 2616 if (!ctx->Extensions.ARB_uniform_buffer_object) 2617 goto invalid_enum; 2618 v->value_int = ctx->UniformBufferBindings[index].Size; 2619 return TYPE_INT; 2620 } 2621 2622 invalid_enum: 2623 _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=%s)", func, 2624 _mesa_lookup_enum_by_nr(pname)); 2625 return TYPE_INVALID; 2626 invalid_value: 2627 _mesa_error(ctx, GL_INVALID_VALUE, "%s(pname=%s)", func, 2628 _mesa_lookup_enum_by_nr(pname)); 2629 return TYPE_INVALID; 2630} 2631 2632void GLAPIENTRY 2633_mesa_GetBooleanIndexedv( GLenum pname, GLuint index, GLboolean *params ) 2634{ 2635 union value v; 2636 enum value_type type = 2637 find_value_indexed("glGetBooleanIndexedv", pname, index, &v); 2638 2639 switch (type) { 2640 case TYPE_INT: 2641 params[0] = INT_TO_BOOLEAN(v.value_int); 2642 break; 2643 case TYPE_INT_4: 2644 params[0] = INT_TO_BOOLEAN(v.value_int_4[0]); 2645 params[1] = INT_TO_BOOLEAN(v.value_int_4[1]); 2646 params[2] = INT_TO_BOOLEAN(v.value_int_4[2]); 2647 params[3] = INT_TO_BOOLEAN(v.value_int_4[3]); 2648 break; 2649 case TYPE_INT64: 2650 params[0] = INT64_TO_BOOLEAN(v.value_int); 2651 break; 2652 default: 2653 ; /* nothing - GL error was recorded */ 2654 } 2655} 2656 2657void GLAPIENTRY 2658_mesa_GetIntegerIndexedv( GLenum pname, GLuint index, GLint *params ) 2659{ 2660 union value v; 2661 enum value_type type = 2662 find_value_indexed("glGetIntegerIndexedv", pname, index, &v); 2663 2664 switch (type) { 2665 case TYPE_INT: 2666 params[0] = v.value_int; 2667 break; 2668 case TYPE_INT_4: 2669 params[0] = v.value_int_4[0]; 2670 params[1] = v.value_int_4[1]; 2671 params[2] = v.value_int_4[2]; 2672 params[3] = v.value_int_4[3]; 2673 break; 2674 case TYPE_INT64: 2675 params[0] = INT64_TO_INT(v.value_int); 2676 break; 2677 default: 2678 ; /* nothing - GL error was recorded */ 2679 } 2680} 2681 2682#if FEATURE_ARB_sync 2683void GLAPIENTRY 2684_mesa_GetInteger64Indexedv( GLenum pname, GLuint index, GLint64 *params ) 2685{ 2686 union value v; 2687 enum value_type type = 2688 find_value_indexed("glGetIntegerIndexedv", pname, index, &v); 2689 2690 switch (type) { 2691 case TYPE_INT: 2692 params[0] = v.value_int; 2693 break; 2694 case TYPE_INT_4: 2695 params[0] = v.value_int_4[0]; 2696 params[1] = v.value_int_4[1]; 2697 params[2] = v.value_int_4[2]; 2698 params[3] = v.value_int_4[3]; 2699 break; 2700 case TYPE_INT64: 2701 params[0] = v.value_int; 2702 break; 2703 default: 2704 ; /* nothing - GL error was recorded */ 2705 } 2706} 2707#endif /* FEATURE_ARB_sync */ 2708 2709#if FEATURE_ES1 2710void GLAPIENTRY 2711_mesa_GetFixedv(GLenum pname, GLfixed *params) 2712{ 2713 const struct value_desc *d; 2714 union value v; 2715 GLmatrix *m; 2716 int shift, i; 2717 void *p; 2718 2719 d = find_value("glGetDoublev", pname, &p, &v); 2720 switch (d->type) { 2721 case TYPE_INVALID: 2722 break; 2723 case TYPE_CONST: 2724 params[0] = INT_TO_FIXED(d->offset); 2725 break; 2726 2727 case TYPE_FLOAT_4: 2728 case TYPE_FLOATN_4: 2729 params[3] = FLOAT_TO_FIXED(((GLfloat *) p)[3]); 2730 case TYPE_FLOAT_3: 2731 case TYPE_FLOATN_3: 2732 params[2] = FLOAT_TO_FIXED(((GLfloat *) p)[2]); 2733 case TYPE_FLOAT_2: 2734 case TYPE_FLOATN_2: 2735 params[1] = FLOAT_TO_FIXED(((GLfloat *) p)[1]); 2736 case TYPE_FLOAT: 2737 case TYPE_FLOATN: 2738 params[0] = FLOAT_TO_FIXED(((GLfloat *) p)[0]); 2739 break; 2740 2741 case TYPE_DOUBLEN: 2742 params[0] = FLOAT_TO_FIXED(((GLdouble *) p)[0]); 2743 break; 2744 2745 case TYPE_INT_4: 2746 params[3] = INT_TO_FIXED(((GLint *) p)[3]); 2747 case TYPE_INT_3: 2748 params[2] = INT_TO_FIXED(((GLint *) p)[2]); 2749 case TYPE_INT_2: 2750 case TYPE_ENUM_2: 2751 params[1] = INT_TO_FIXED(((GLint *) p)[1]); 2752 case TYPE_INT: 2753 case TYPE_ENUM: 2754 params[0] = INT_TO_FIXED(((GLint *) p)[0]); 2755 break; 2756 2757 case TYPE_INT_N: 2758 for (i = 0; i < v.value_int_n.n; i++) 2759 params[i] = INT_TO_FIXED(v.value_int_n.ints[i]); 2760 break; 2761 2762 case TYPE_INT64: 2763 params[0] = ((GLint64 *) p)[0]; 2764 break; 2765 2766 case TYPE_BOOLEAN: 2767 params[0] = BOOLEAN_TO_FIXED(((GLboolean*) p)[0]); 2768 break; 2769 2770 case TYPE_MATRIX: 2771 m = *(GLmatrix **) p; 2772 for (i = 0; i < 16; i++) 2773 params[i] = FLOAT_TO_FIXED(m->m[i]); 2774 break; 2775 2776 case TYPE_MATRIX_T: 2777 m = *(GLmatrix **) p; 2778 for (i = 0; i < 16; i++) 2779 params[i] = FLOAT_TO_FIXED(m->m[transpose[i]]); 2780 break; 2781 2782 case TYPE_BIT_0: 2783 case TYPE_BIT_1: 2784 case TYPE_BIT_2: 2785 case TYPE_BIT_3: 2786 case TYPE_BIT_4: 2787 case TYPE_BIT_5: 2788 case TYPE_BIT_6: 2789 case TYPE_BIT_7: 2790 shift = d->type - TYPE_BIT_0; 2791 params[0] = BOOLEAN_TO_FIXED((*(GLbitfield *) p >> shift) & 1); 2792 break; 2793 } 2794} 2795#endif 2796