2 * Copyright (C) 2010 Brian Paul All Rights Reserved.
3 * Copyright (C) 2010 Intel Corporation
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included
13 * in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21 * OTHER DEALINGS IN THE SOFTWARE.
23 * Author: Kristian Høgsberg <krh@bitplanet.net>
32 #include "extensions.h"
37 #include "texcompress.h"
39 #include "framebuffer.h"
40 #include "samplerobj.h"
43 /* This is a table driven implemetation of the glGet*v() functions.
44 * The basic idea is that most getters just look up an int somewhere
45 * in struct gl_context and then convert it to a bool or float according to
46 * which of glGetIntegerv() glGetBooleanv() etc is being called.
47 * Instead of generating code to do this, we can just record the enum
48 * value and the offset into struct gl_context in an array of structs. Then
49 * in glGet*(), we lookup the struct for the enum in question, and use
50 * the offset to get the int we need.
52 * Sometimes we need to look up a float, a boolean, a bit in a
53 * bitfield, a matrix or other types instead, so we need to track the
54 * type of the value in struct gl_context. And sometimes the value isn't in
55 * struct gl_context but in the drawbuffer, the array object, current texture
56 * unit, or maybe it's a computed value. So we need to also track
57 * where or how to find the value. Finally, we sometimes need to
58 * check that one of a number of extensions are enabled, the GL
59 * version or flush or call _mesa_update_state(). This is done by
60 * attaching optional extra information to the value description
61 * struct, it's sort of like an array of opcodes that describe extra
64 * Putting all this together we end up with struct value_desc below,
65 * and with a couple of macros to help, the table of struct value_desc
66 * is about as concise as the specification in the old python script.
69 #define FLOAT_TO_BOOLEAN(X) ( (X) ? GL_TRUE : GL_FALSE )
70 #define FLOAT_TO_FIXED(F) ( ((F) * 65536.0f > INT_MAX) ? INT_MAX : \
71 ((F) * 65536.0f < INT_MIN) ? INT_MIN : \
72 (GLint) ((F) * 65536.0f) )
74 #define INT_TO_BOOLEAN(I) ( (I) ? GL_TRUE : GL_FALSE )
75 #define INT_TO_FIXED(I) ( ((I) > SHRT_MAX) ? INT_MAX : \
76 ((I) < SHRT_MIN) ? INT_MIN : \
77 (GLint) ((I) * 65536) )
79 #define INT64_TO_BOOLEAN(I) ( (I) ? GL_TRUE : GL_FALSE )
80 #define INT64_TO_INT(I) ( (GLint)((I > INT_MAX) ? INT_MAX : ((I < INT_MIN) ? INT_MIN : (I))) )
82 #define BOOLEAN_TO_INT(B) ( (GLint) (B) )
83 #define BOOLEAN_TO_INT64(B) ( (GLint64) (B) )
84 #define BOOLEAN_TO_FLOAT(B) ( (B) ? 1.0F : 0.0F )
85 #define BOOLEAN_TO_FIXED(B) ( (GLint) ((B) ? 1 : 0) << 16 )
87 #define ENUM_TO_INT64(E) ( (GLint64) (E) )
88 #define ENUM_TO_FIXED(E) (E)
124 enum value_location {
144 EXTRA_NEW_FRAG_CLAMP,
145 EXTRA_VALID_DRAW_BUFFER,
146 EXTRA_VALID_TEXTURE_UNIT,
147 EXTRA_VALID_CLIP_DISTANCE,
151 EXTRA_EXT_ATOMICS_GS4,
152 EXTRA_EXT_SHADER_IMAGE_GS4,
153 EXTRA_EXT_ATOMICS_TESS,
154 EXTRA_EXT_SHADER_IMAGE_TESS,
157 #define NO_EXTRA NULL
162 GLubyte location; /**< enum value_location */
163 GLubyte type; /**< enum value_type */
170 GLfloat value_float_4[4];
171 GLdouble value_double_2[2];
172 GLmatrix *value_matrix;
174 GLint value_int_4[4];
178 /* Sigh, see GL_COMPRESSED_TEXTURE_FORMATS_ARB handling */
182 GLboolean value_bool;
185 #define BUFFER_FIELD(field, type) \
186 LOC_BUFFER, type, offsetof(struct gl_framebuffer, field)
187 #define CONTEXT_FIELD(field, type) \
188 LOC_CONTEXT, type, offsetof(struct gl_context, field)
189 #define ARRAY_FIELD(field, type) \
190 LOC_ARRAY, type, offsetof(struct gl_vertex_array_object, field)
191 #undef CONST /* already defined through windows.h */
192 #define CONST(value) \
193 LOC_CONTEXT, TYPE_CONST, value
195 #define BUFFER_INT(field) BUFFER_FIELD(field, TYPE_INT)
196 #define BUFFER_ENUM(field) BUFFER_FIELD(field, TYPE_ENUM)
197 #define BUFFER_BOOL(field) BUFFER_FIELD(field, TYPE_BOOLEAN)
199 #define CONTEXT_INT(field) CONTEXT_FIELD(field, TYPE_INT)
200 #define CONTEXT_INT2(field) CONTEXT_FIELD(field, TYPE_INT_2)
201 #define CONTEXT_INT64(field) CONTEXT_FIELD(field, TYPE_INT64)
202 #define CONTEXT_ENUM(field) CONTEXT_FIELD(field, TYPE_ENUM)
203 #define CONTEXT_ENUM2(field) CONTEXT_FIELD(field, TYPE_ENUM_2)
204 #define CONTEXT_BOOL(field) CONTEXT_FIELD(field, TYPE_BOOLEAN)
205 #define CONTEXT_BIT0(field) CONTEXT_FIELD(field, TYPE_BIT_0)
206 #define CONTEXT_BIT1(field) CONTEXT_FIELD(field, TYPE_BIT_1)
207 #define CONTEXT_BIT2(field) CONTEXT_FIELD(field, TYPE_BIT_2)
208 #define CONTEXT_BIT3(field) CONTEXT_FIELD(field, TYPE_BIT_3)
209 #define CONTEXT_BIT4(field) CONTEXT_FIELD(field, TYPE_BIT_4)
210 #define CONTEXT_BIT5(field) CONTEXT_FIELD(field, TYPE_BIT_5)
211 #define CONTEXT_BIT6(field) CONTEXT_FIELD(field, TYPE_BIT_6)
212 #define CONTEXT_BIT7(field) CONTEXT_FIELD(field, TYPE_BIT_7)
213 #define CONTEXT_FLOAT(field) CONTEXT_FIELD(field, TYPE_FLOAT)
214 #define CONTEXT_FLOAT2(field) CONTEXT_FIELD(field, TYPE_FLOAT_2)
215 #define CONTEXT_FLOAT3(field) CONTEXT_FIELD(field, TYPE_FLOAT_3)
216 #define CONTEXT_FLOAT4(field) CONTEXT_FIELD(field, TYPE_FLOAT_4)
217 #define CONTEXT_MATRIX(field) CONTEXT_FIELD(field, TYPE_MATRIX)
218 #define CONTEXT_MATRIX_T(field) CONTEXT_FIELD(field, TYPE_MATRIX_T)
220 #define ARRAY_INT(field) ARRAY_FIELD(field, TYPE_INT)
221 #define ARRAY_ENUM(field) ARRAY_FIELD(field, TYPE_ENUM)
222 #define ARRAY_BOOL(field) ARRAY_FIELD(field, TYPE_BOOLEAN)
225 offsetof(struct gl_extensions, f)
227 #define EXTRA_EXT(e) \
228 static const int extra_##e[] = { \
232 #define EXTRA_EXT2(e1, e2) \
233 static const int extra_##e1##_##e2[] = { \
234 EXT(e1), EXT(e2), EXTRA_END \
237 /* The 'extra' mechanism is a way to specify extra checks (such as
238 * extensions or specific gl versions) or actions (flush current, new
239 * buffers) that we need to do before looking up an enum. We need to
240 * declare them all up front so we can refer to them in the value_desc
243 * Each EXTRA_ will be executed. For EXTRA_* enums of extensions and API
244 * versions, listing multiple ones in an array means an error will be thrown
245 * only if none of them are available. If you need to check for "AND"
246 * behavior, you would need to make a custom EXTRA_ enum.
249 static const int extra_new_buffers[] = {
254 static const int extra_new_frag_clamp[] = {
255 EXTRA_NEW_FRAG_CLAMP,
259 static const int extra_valid_draw_buffer[] = {
260 EXTRA_VALID_DRAW_BUFFER,
264 static const int extra_valid_texture_unit[] = {
265 EXTRA_VALID_TEXTURE_UNIT,
269 static const int extra_valid_clip_distance[] = {
270 EXTRA_VALID_CLIP_DISTANCE,
274 static const int extra_flush_current_valid_texture_unit[] = {
276 EXTRA_VALID_TEXTURE_UNIT,
280 static const int extra_flush_current[] = {
285 static const int extra_EXT_texture_integer_and_new_buffers[] = {
286 EXT(EXT_texture_integer),
291 static const int extra_GLSL_130_es3[] = {
297 static const int extra_texture_buffer_object[] = {
300 EXT(ARB_texture_buffer_object),
304 static const int extra_ARB_transform_feedback2_api_es3[] = {
305 EXT(ARB_transform_feedback2),
310 static const int extra_ARB_uniform_buffer_object_and_geometry_shader[] = {
315 static const int extra_ARB_ES2_compatibility_api_es2[] = {
316 EXT(ARB_ES2_compatibility),
321 static const int extra_ARB_ES3_compatibility_api_es3[] = {
322 EXT(ARB_ES3_compatibility),
327 static const int extra_EXT_framebuffer_sRGB_and_new_buffers[] = {
328 EXT(EXT_framebuffer_sRGB),
333 static const int extra_EXT_packed_float[] = {
334 EXT(EXT_packed_float),
339 static const int extra_EXT_texture_array_es3[] = {
340 EXT(EXT_texture_array),
345 static const int extra_ARB_shader_atomic_counters_and_geometry_shader[] = {
346 EXTRA_EXT_ATOMICS_GS4,
350 static const int extra_ARB_shader_image_load_store_and_geometry_shader[] = {
351 EXTRA_EXT_SHADER_IMAGE_GS4,
355 static const int extra_ARB_shader_atomic_counters_and_tessellation[] = {
356 EXTRA_EXT_ATOMICS_TESS,
360 static const int extra_ARB_shader_image_load_store_and_tessellation[] = {
361 EXTRA_EXT_SHADER_IMAGE_TESS,
365 /* HACK: remove when ARB_compute_shader is actually supported */
366 static const int extra_ARB_compute_shader_es31[] = {
367 EXT(ARB_compute_shader),
372 EXTRA_EXT(ARB_texture_cube_map);
373 EXTRA_EXT(EXT_texture_array);
374 EXTRA_EXT(NV_fog_distance);
375 EXTRA_EXT(EXT_texture_filter_anisotropic);
376 EXTRA_EXT(NV_point_sprite);
377 EXTRA_EXT(NV_texture_rectangle);
378 EXTRA_EXT(EXT_stencil_two_side);
379 EXTRA_EXT(EXT_depth_bounds_test);
380 EXTRA_EXT(ARB_depth_clamp);
381 EXTRA_EXT(ATI_fragment_shader);
382 EXTRA_EXT(EXT_provoking_vertex);
383 EXTRA_EXT(ARB_fragment_shader);
384 EXTRA_EXT(ARB_fragment_program);
385 EXTRA_EXT2(ARB_framebuffer_object, EXT_framebuffer_multisample);
386 EXTRA_EXT(ARB_seamless_cube_map);
388 EXTRA_EXT(ARB_vertex_shader);
389 EXTRA_EXT(EXT_transform_feedback);
390 EXTRA_EXT(ARB_transform_feedback3);
391 EXTRA_EXT(EXT_pixel_buffer_object);
392 EXTRA_EXT(ARB_vertex_program);
393 EXTRA_EXT2(NV_point_sprite, ARB_point_sprite);
394 EXTRA_EXT2(ARB_vertex_program, ARB_fragment_program);
395 EXTRA_EXT(ARB_geometry_shader4);
396 EXTRA_EXT(ARB_color_buffer_float);
397 EXTRA_EXT(EXT_framebuffer_sRGB);
398 EXTRA_EXT(OES_EGL_image_external);
399 EXTRA_EXT(ARB_blend_func_extended);
400 EXTRA_EXT(ARB_uniform_buffer_object);
401 EXTRA_EXT(ARB_timer_query);
402 EXTRA_EXT(ARB_texture_cube_map_array);
403 EXTRA_EXT(ARB_texture_buffer_range);
404 EXTRA_EXT(ARB_texture_multisample);
405 EXTRA_EXT(ARB_texture_gather);
406 EXTRA_EXT(ARB_shader_atomic_counters);
407 EXTRA_EXT(ARB_draw_indirect);
408 EXTRA_EXT(ARB_shader_image_load_store);
409 EXTRA_EXT(ARB_viewport_array);
410 EXTRA_EXT(ARB_compute_shader);
411 EXTRA_EXT(ARB_gpu_shader5);
412 EXTRA_EXT2(ARB_transform_feedback3, ARB_gpu_shader5);
413 EXTRA_EXT(INTEL_performance_query);
414 EXTRA_EXT(ARB_explicit_uniform_location);
415 EXTRA_EXT(ARB_clip_control);
416 EXTRA_EXT(EXT_polygon_offset_clamp);
417 EXTRA_EXT(ARB_framebuffer_no_attachments);
418 EXTRA_EXT(ARB_tessellation_shader);
419 EXTRA_EXT(ARB_shader_subroutine);
422 extra_ARB_color_buffer_float_or_glcore[] = {
423 EXT(ARB_color_buffer_float),
429 extra_NV_primitive_restart[] = {
430 EXT(NV_primitive_restart),
434 static const int extra_version_30[] = { EXTRA_VERSION_30, EXTRA_END };
435 static const int extra_version_31[] = { EXTRA_VERSION_31, EXTRA_END };
436 static const int extra_version_32[] = { EXTRA_VERSION_32, EXTRA_END };
437 static const int extra_version_40[] = { EXTRA_VERSION_40, EXTRA_END };
439 static const int extra_gl30_es3[] = {
445 static const int extra_gl32_es3[] = {
451 static const int extra_gl32_ARB_geometry_shader4[] = {
453 EXT(ARB_geometry_shader4),
457 static const int extra_gl40_ARB_sample_shading[] = {
459 EXT(ARB_sample_shading),
464 extra_ARB_vertex_program_api_es2[] = {
465 EXT(ARB_vertex_program),
470 /* The ReadBuffer get token is valid under either full GL or under
471 * GLES2 if the NV_read_buffer extension is available. */
473 extra_NV_read_buffer_api_gl[] = {
479 static const int extra_core_ARB_color_buffer_float_and_new_buffers[] = {
481 EXT(ARB_color_buffer_float),
486 /* This is the big table describing all the enums we accept in
487 * glGet*v(). The table is partitioned into six parts: enums
488 * understood by all GL APIs (OpenGL, GLES and GLES2), enums shared
489 * between OpenGL and GLES, enums exclusive to GLES, etc for the
490 * remaining combinations. To look up the enums valid in a given API
491 * we will use a hash table specific to that API. These tables are in
492 * turn generated at build time and included through get_hash.h.
495 #include "get_hash.h"
497 /* All we need now is a way to look up the value struct from the enum.
498 * The code generated by gcc for the old generated big switch
499 * statement is a big, balanced, open coded if/else tree, essentially
500 * an unrolled binary search. It would be natural to sort the new
501 * enum table and use bsearch(), but we will use a read-only hash
502 * table instead. bsearch() has a nice guaranteed worst case
503 * performance, but we're also guaranteed to hit that worst case
504 * (log2(n) iterations) for about half the enums. Instead, using an
505 * open addressing hash table, we can find the enum on the first try
506 * for 80% of the enums, 1 collision for 10% and never more than 5
507 * collisions for any enum (typical numbers). And the code is very
508 * simple, even though it feels a little magic. */
512 print_table_stats(int api)
514 int i, j, collisions[11], count, hash, mask;
515 const struct value_desc *d;
516 const char *api_names[] = {
517 [API_OPENGL_COMPAT] = "GL",
518 [API_OPENGL_CORE] = "GL_CORE",
519 [API_OPENGLES] = "GLES",
520 [API_OPENGLES2] = "GLES2",
522 const char *api_name;
524 api_name = api < ARRAY_SIZE(api_names) ? api_names[api] : "N/A";
526 mask = ARRAY_SIZE(table(api)) - 1;
527 memset(collisions, 0, sizeof collisions);
529 for (i = 0; i < ARRAY_SIZE(table(api)); i++) {
533 d = &values[table(api)[i]];
534 hash = (d->pname * prime_factor);
537 if (values[table(api)[hash & mask]].pname == d->pname)
549 printf("number of enums for %s: %d (total %ld)\n",
550 api_name, count, ARRAY_SIZE(values));
551 for (i = 0; i < ARRAY_SIZE(collisions) - 1; i++)
552 if (collisions[i] > 0)
553 printf(" %d enums with %d %scollisions\n",
554 collisions[i], i, i == 10 ? "or more " : "");
559 * Initialize the enum hash for a given API
561 * This is called from one_time_init() to insert the enum values that
562 * are valid for the API in question into the enum hash table.
564 * \param the current context, for determining the API in question
566 void _mesa_init_get_hash(struct gl_context *ctx)
569 print_table_stats(ctx->API);
576 * Handle irregular enums
578 * Some values don't conform to the "well-known type at context
579 * pointer + offset" pattern, so we have this function to catch all
580 * the corner cases. Typically, it's a computed value or a one-off
581 * pointer to a custom struct or something.
583 * In this case we can't return a pointer to the value, so we'll have
584 * to use the temporary variable 'v' declared back in the calling
585 * glGet*v() function to store the result.
587 * \param ctx the current context
588 * \param d the struct value_desc that describes the enum
589 * \param v pointer to the tmp declared in the calling glGet*v() function
592 find_custom_value(struct gl_context *ctx, const struct value_desc *d, union value *v)
594 struct gl_buffer_object **buffer_obj;
595 struct gl_vertex_attrib_array *array;
599 case GL_MAJOR_VERSION:
600 v->value_int = ctx->Version / 10;
602 case GL_MINOR_VERSION:
603 v->value_int = ctx->Version % 10;
609 case GL_TEXTURE_CUBE_MAP_ARB:
610 case GL_TEXTURE_RECTANGLE_NV:
611 case GL_TEXTURE_EXTERNAL_OES:
612 v->value_bool = _mesa_IsEnabled(d->pname);
615 case GL_LINE_STIPPLE_PATTERN:
616 /* This is the only GLushort, special case it here by promoting
617 * to an int rather than introducing a new type. */
618 v->value_int = ctx->Line.StipplePattern;
621 case GL_CURRENT_RASTER_TEXTURE_COORDS:
622 unit = ctx->Texture.CurrentUnit;
623 v->value_float_4[0] = ctx->Current.RasterTexCoords[unit][0];
624 v->value_float_4[1] = ctx->Current.RasterTexCoords[unit][1];
625 v->value_float_4[2] = ctx->Current.RasterTexCoords[unit][2];
626 v->value_float_4[3] = ctx->Current.RasterTexCoords[unit][3];
629 case GL_CURRENT_TEXTURE_COORDS:
630 unit = ctx->Texture.CurrentUnit;
631 v->value_float_4[0] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][0];
632 v->value_float_4[1] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][1];
633 v->value_float_4[2] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][2];
634 v->value_float_4[3] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][3];
637 case GL_COLOR_WRITEMASK:
638 v->value_int_4[0] = ctx->Color.ColorMask[0][RCOMP] ? 1 : 0;
639 v->value_int_4[1] = ctx->Color.ColorMask[0][GCOMP] ? 1 : 0;
640 v->value_int_4[2] = ctx->Color.ColorMask[0][BCOMP] ? 1 : 0;
641 v->value_int_4[3] = ctx->Color.ColorMask[0][ACOMP] ? 1 : 0;
645 v->value_bool = ctx->Current.Attrib[VERT_ATTRIB_EDGEFLAG][0] == 1.0F;
649 v->value_enum = ctx->ReadBuffer->ColorReadBuffer;
652 case GL_MAP2_GRID_DOMAIN:
653 v->value_float_4[0] = ctx->Eval.MapGrid2u1;
654 v->value_float_4[1] = ctx->Eval.MapGrid2u2;
655 v->value_float_4[2] = ctx->Eval.MapGrid2v1;
656 v->value_float_4[3] = ctx->Eval.MapGrid2v2;
659 case GL_TEXTURE_STACK_DEPTH:
660 unit = ctx->Texture.CurrentUnit;
661 v->value_int = ctx->TextureMatrixStack[unit].Depth + 1;
663 case GL_TEXTURE_MATRIX:
664 unit = ctx->Texture.CurrentUnit;
665 v->value_matrix = ctx->TextureMatrixStack[unit].Top;
668 case GL_TEXTURE_COORD_ARRAY:
669 case GL_TEXTURE_COORD_ARRAY_SIZE:
670 case GL_TEXTURE_COORD_ARRAY_TYPE:
671 case GL_TEXTURE_COORD_ARRAY_STRIDE:
672 array = &ctx->Array.VAO->VertexAttrib[VERT_ATTRIB_TEX(ctx->Array.ActiveTexture)];
673 v->value_int = *(GLuint *) ((char *) array + d->offset);
676 case GL_ACTIVE_TEXTURE_ARB:
677 v->value_int = GL_TEXTURE0_ARB + ctx->Texture.CurrentUnit;
679 case GL_CLIENT_ACTIVE_TEXTURE_ARB:
680 v->value_int = GL_TEXTURE0_ARB + ctx->Array.ActiveTexture;
683 case GL_MODELVIEW_STACK_DEPTH:
684 case GL_PROJECTION_STACK_DEPTH:
685 v->value_int = *(GLint *) ((char *) ctx + d->offset) + 1;
688 case GL_MAX_TEXTURE_SIZE:
689 case GL_MAX_3D_TEXTURE_SIZE:
690 case GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB:
691 p = (GLuint *) ((char *) ctx + d->offset);
692 v->value_int = 1 << (*p - 1);
696 v->value_int_4[0] = ctx->Scissor.ScissorArray[0].X;
697 v->value_int_4[1] = ctx->Scissor.ScissorArray[0].Y;
698 v->value_int_4[2] = ctx->Scissor.ScissorArray[0].Width;
699 v->value_int_4[3] = ctx->Scissor.ScissorArray[0].Height;
702 case GL_SCISSOR_TEST:
703 v->value_bool = ctx->Scissor.EnableFlags & 1;
708 ctx->ListState.CurrentList ? ctx->ListState.CurrentList->Name : 0;
711 if (!ctx->CompileFlag)
713 else if (ctx->ExecuteFlag)
714 v->value_enum = GL_COMPILE_AND_EXECUTE;
716 v->value_enum = GL_COMPILE;
720 v->value_float_4[0] = ctx->ViewportArray[0].X;
721 v->value_float_4[1] = ctx->ViewportArray[0].Y;
722 v->value_float_4[2] = ctx->ViewportArray[0].Width;
723 v->value_float_4[3] = ctx->ViewportArray[0].Height;
727 v->value_double_2[0] = ctx->ViewportArray[0].Near;
728 v->value_double_2[1] = ctx->ViewportArray[0].Far;
731 case GL_ACTIVE_STENCIL_FACE_EXT:
732 v->value_enum = ctx->Stencil.ActiveFace ? GL_BACK : GL_FRONT;
735 case GL_STENCIL_FAIL:
736 v->value_enum = ctx->Stencil.FailFunc[ctx->Stencil.ActiveFace];
738 case GL_STENCIL_FUNC:
739 v->value_enum = ctx->Stencil.Function[ctx->Stencil.ActiveFace];
741 case GL_STENCIL_PASS_DEPTH_FAIL:
742 v->value_enum = ctx->Stencil.ZFailFunc[ctx->Stencil.ActiveFace];
744 case GL_STENCIL_PASS_DEPTH_PASS:
745 v->value_enum = ctx->Stencil.ZPassFunc[ctx->Stencil.ActiveFace];
748 v->value_int = _mesa_get_stencil_ref(ctx, ctx->Stencil.ActiveFace);
750 case GL_STENCIL_BACK_REF:
751 v->value_int = _mesa_get_stencil_ref(ctx, 1);
753 case GL_STENCIL_VALUE_MASK:
754 v->value_int = ctx->Stencil.ValueMask[ctx->Stencil.ActiveFace];
756 case GL_STENCIL_WRITEMASK:
757 v->value_int = ctx->Stencil.WriteMask[ctx->Stencil.ActiveFace];
760 case GL_NUM_EXTENSIONS:
761 v->value_int = _mesa_get_extension_count(ctx);
764 case GL_IMPLEMENTATION_COLOR_READ_TYPE_OES:
765 v->value_int = _mesa_get_color_read_type(ctx);
767 case GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES:
768 v->value_int = _mesa_get_color_read_format(ctx);
771 case GL_CURRENT_MATRIX_STACK_DEPTH_ARB:
772 v->value_int = ctx->CurrentStack->Depth + 1;
774 case GL_CURRENT_MATRIX_ARB:
775 case GL_TRANSPOSE_CURRENT_MATRIX_ARB:
776 v->value_matrix = ctx->CurrentStack->Top;
779 case GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB:
780 v->value_int = _mesa_get_compressed_formats(ctx, NULL);
782 case GL_COMPRESSED_TEXTURE_FORMATS_ARB:
784 _mesa_get_compressed_formats(ctx, v->value_int_n.ints);
785 assert(v->value_int_n.n <= (int) ARRAY_SIZE(v->value_int_n.ints));
788 case GL_MAX_VARYING_FLOATS_ARB:
789 v->value_int = ctx->Const.MaxVarying * 4;
792 /* Various object names */
794 case GL_TEXTURE_BINDING_1D:
795 case GL_TEXTURE_BINDING_2D:
796 case GL_TEXTURE_BINDING_3D:
797 case GL_TEXTURE_BINDING_1D_ARRAY_EXT:
798 case GL_TEXTURE_BINDING_2D_ARRAY_EXT:
799 case GL_TEXTURE_BINDING_CUBE_MAP_ARB:
800 case GL_TEXTURE_BINDING_RECTANGLE_NV:
801 case GL_TEXTURE_BINDING_EXTERNAL_OES:
802 case GL_TEXTURE_BINDING_CUBE_MAP_ARRAY:
803 case GL_TEXTURE_BINDING_2D_MULTISAMPLE:
804 case GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY:
805 unit = ctx->Texture.CurrentUnit;
807 ctx->Texture.Unit[unit].CurrentTex[d->offset]->Name;
810 /* GL_EXT_packed_float */
811 case GL_RGBA_SIGNED_COMPONENTS_EXT:
813 /* Note: we only check the 0th color attachment. */
814 const struct gl_renderbuffer *rb =
815 ctx->DrawBuffer->_ColorDrawBuffers[0];
816 if (rb && _mesa_is_format_signed(rb->Format)) {
817 /* Issue 17 of GL_EXT_packed_float: If a component (such as
818 * alpha) has zero bits, the component should not be considered
819 * signed and so the bit for the respective component should be
823 _mesa_get_format_bits(rb->Format, GL_RED_BITS);
825 _mesa_get_format_bits(rb->Format, GL_GREEN_BITS);
827 _mesa_get_format_bits(rb->Format, GL_BLUE_BITS);
829 _mesa_get_format_bits(rb->Format, GL_ALPHA_BITS);
831 _mesa_get_format_bits(rb->Format, GL_TEXTURE_LUMINANCE_SIZE);
833 _mesa_get_format_bits(rb->Format, GL_TEXTURE_INTENSITY_SIZE);
835 v->value_int_4[0] = r_bits + l_bits + i_bits > 0;
836 v->value_int_4[1] = g_bits + l_bits + i_bits > 0;
837 v->value_int_4[2] = b_bits + l_bits + i_bits > 0;
838 v->value_int_4[3] = a_bits + i_bits > 0;
844 v->value_int_4[3] = 0;
849 /* GL_ARB_vertex_buffer_object */
850 case GL_VERTEX_ARRAY_BUFFER_BINDING_ARB:
851 case GL_NORMAL_ARRAY_BUFFER_BINDING_ARB:
852 case GL_COLOR_ARRAY_BUFFER_BINDING_ARB:
853 case GL_INDEX_ARRAY_BUFFER_BINDING_ARB:
854 case GL_EDGE_FLAG_ARRAY_BUFFER_BINDING_ARB:
855 case GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING_ARB:
856 case GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING_ARB:
857 buffer_obj = (struct gl_buffer_object **)
858 ((char *) ctx->Array.VAO + d->offset);
859 v->value_int = (*buffer_obj)->Name;
861 case GL_ARRAY_BUFFER_BINDING_ARB:
862 v->value_int = ctx->Array.ArrayBufferObj->Name;
864 case GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING_ARB:
866 ctx->Array.VAO->VertexBinding[VERT_ATTRIB_TEX(ctx->Array.ActiveTexture)].BufferObj->Name;
868 case GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB:
869 v->value_int = ctx->Array.VAO->IndexBufferObj->Name;
872 /* ARB_vertex_array_bgra */
873 case GL_COLOR_ARRAY_SIZE:
874 array = &ctx->Array.VAO->VertexAttrib[VERT_ATTRIB_COLOR0];
875 v->value_int = array->Format == GL_BGRA ? GL_BGRA : array->Size;
877 case GL_SECONDARY_COLOR_ARRAY_SIZE:
878 array = &ctx->Array.VAO->VertexAttrib[VERT_ATTRIB_COLOR1];
879 v->value_int = array->Format == GL_BGRA ? GL_BGRA : array->Size;
882 /* ARB_copy_buffer */
883 case GL_COPY_READ_BUFFER:
884 v->value_int = ctx->CopyReadBuffer->Name;
886 case GL_COPY_WRITE_BUFFER:
887 v->value_int = ctx->CopyWriteBuffer->Name;
890 case GL_PIXEL_PACK_BUFFER_BINDING_EXT:
891 v->value_int = ctx->Pack.BufferObj->Name;
893 case GL_PIXEL_UNPACK_BUFFER_BINDING_EXT:
894 v->value_int = ctx->Unpack.BufferObj->Name;
896 case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING:
897 v->value_int = ctx->TransformFeedback.CurrentBuffer->Name;
899 case GL_TRANSFORM_FEEDBACK_BUFFER_PAUSED:
900 v->value_int = ctx->TransformFeedback.CurrentObject->Paused;
902 case GL_TRANSFORM_FEEDBACK_BUFFER_ACTIVE:
903 v->value_int = ctx->TransformFeedback.CurrentObject->Active;
905 case GL_TRANSFORM_FEEDBACK_BINDING:
906 v->value_int = ctx->TransformFeedback.CurrentObject->Name;
908 case GL_CURRENT_PROGRAM:
909 /* The Changelog of the ARB_separate_shader_objects spec says:
911 * 24 25 Jul 2011 pbrown Remove the language erroneously deleting
912 * CURRENT_PROGRAM. In the EXT extension, this
913 * token was aliased to ACTIVE_PROGRAM_EXT, and
914 * was used to indicate the last program set by
915 * either ActiveProgramEXT or UseProgram. In
916 * the ARB extension, the SSO active programs
917 * are now program pipeline object state and
918 * CURRENT_PROGRAM should still be used to query
919 * the last program set by UseProgram (bug 7822).
922 ctx->Shader.ActiveProgram ? ctx->Shader.ActiveProgram->Name : 0;
924 case GL_READ_FRAMEBUFFER_BINDING_EXT:
925 v->value_int = ctx->ReadBuffer->Name;
927 case GL_RENDERBUFFER_BINDING_EXT:
929 ctx->CurrentRenderbuffer ? ctx->CurrentRenderbuffer->Name : 0;
931 case GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES:
932 v->value_int = ctx->Array.VAO->VertexBinding[VERT_ATTRIB_POINT_SIZE].BufferObj->Name;
936 if (_mesa_get_clamp_fragment_color(ctx, ctx->DrawBuffer))
937 COPY_4FV(v->value_float_4, ctx->Fog.Color);
939 COPY_4FV(v->value_float_4, ctx->Fog.ColorUnclamped);
941 case GL_COLOR_CLEAR_VALUE:
942 if (_mesa_get_clamp_fragment_color(ctx, ctx->DrawBuffer)) {
943 v->value_float_4[0] = CLAMP(ctx->Color.ClearColor.f[0], 0.0F, 1.0F);
944 v->value_float_4[1] = CLAMP(ctx->Color.ClearColor.f[1], 0.0F, 1.0F);
945 v->value_float_4[2] = CLAMP(ctx->Color.ClearColor.f[2], 0.0F, 1.0F);
946 v->value_float_4[3] = CLAMP(ctx->Color.ClearColor.f[3], 0.0F, 1.0F);
948 COPY_4FV(v->value_float_4, ctx->Color.ClearColor.f);
950 case GL_BLEND_COLOR_EXT:
951 if (_mesa_get_clamp_fragment_color(ctx, ctx->DrawBuffer))
952 COPY_4FV(v->value_float_4, ctx->Color.BlendColor);
954 COPY_4FV(v->value_float_4, ctx->Color.BlendColorUnclamped);
956 case GL_ALPHA_TEST_REF:
957 if (_mesa_get_clamp_fragment_color(ctx, ctx->DrawBuffer))
958 v->value_float = ctx->Color.AlphaRef;
960 v->value_float = ctx->Color.AlphaRefUnclamped;
962 case GL_MAX_VERTEX_UNIFORM_VECTORS:
963 v->value_int = ctx->Const.Program[MESA_SHADER_VERTEX].MaxUniformComponents / 4;
966 case GL_MAX_FRAGMENT_UNIFORM_VECTORS:
967 v->value_int = ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxUniformComponents / 4;
970 /* GL_ARB_texture_buffer_object */
971 case GL_TEXTURE_BUFFER_ARB:
972 v->value_int = ctx->Texture.BufferObject->Name;
974 case GL_TEXTURE_BINDING_BUFFER_ARB:
975 unit = ctx->Texture.CurrentUnit;
977 ctx->Texture.Unit[unit].CurrentTex[TEXTURE_BUFFER_INDEX]->Name;
979 case GL_TEXTURE_BUFFER_DATA_STORE_BINDING_ARB:
981 struct gl_buffer_object *buf =
982 ctx->Texture.Unit[ctx->Texture.CurrentUnit]
983 .CurrentTex[TEXTURE_BUFFER_INDEX]->BufferObject;
984 v->value_int = buf ? buf->Name : 0;
987 case GL_TEXTURE_BUFFER_FORMAT_ARB:
988 v->value_int = ctx->Texture.Unit[ctx->Texture.CurrentUnit]
989 .CurrentTex[TEXTURE_BUFFER_INDEX]->BufferObjectFormat;
992 /* GL_ARB_sampler_objects */
993 case GL_SAMPLER_BINDING:
995 struct gl_sampler_object *samp =
996 ctx->Texture.Unit[ctx->Texture.CurrentUnit].Sampler;
999 * The sampler object may have been deleted on another context,
1000 * so we try to lookup the sampler object before returning its Name.
1002 if (samp && _mesa_lookup_samplerobj(ctx, samp->Name)) {
1003 v->value_int = samp->Name;
1009 /* GL_ARB_uniform_buffer_object */
1010 case GL_UNIFORM_BUFFER_BINDING:
1011 v->value_int = ctx->UniformBuffer->Name;
1013 /* GL_ARB_timer_query */
1015 if (ctx->Driver.GetTimestamp) {
1016 v->value_int64 = ctx->Driver.GetTimestamp(ctx);
1019 _mesa_problem(ctx, "driver doesn't implement GetTimestamp");
1023 case GL_DEBUG_LOGGED_MESSAGES:
1024 case GL_DEBUG_NEXT_LOGGED_MESSAGE_LENGTH:
1025 case GL_DEBUG_GROUP_STACK_DEPTH:
1026 v->value_int = _mesa_get_debug_state_int(ctx, d->pname);
1028 /* GL_ARB_shader_atomic_counters */
1029 case GL_ATOMIC_COUNTER_BUFFER_BINDING:
1030 if (ctx->AtomicBuffer) {
1031 v->value_int = ctx->AtomicBuffer->Name;
1036 /* GL_ARB_draw_indirect */
1037 case GL_DRAW_INDIRECT_BUFFER_BINDING:
1038 v->value_int = ctx->DrawIndirectBuffer->Name;
1040 /* GL_ARB_separate_shader_objects */
1041 case GL_PROGRAM_PIPELINE_BINDING:
1042 if (ctx->Pipeline.Current) {
1043 v->value_int = ctx->Pipeline.Current->Name;
1052 * Check extra constraints on a struct value_desc descriptor
1054 * If a struct value_desc has a non-NULL extra pointer, it means that
1055 * there are a number of extra constraints to check or actions to
1056 * perform. The extras is just an integer array where each integer
1057 * encode different constraints or actions.
1059 * \param ctx current context
1060 * \param func name of calling glGet*v() function for error reporting
1061 * \param d the struct value_desc that has the extra constraints
1063 * \return GL_FALSE if all of the constraints were not satisfied,
1064 * otherwise GL_TRUE.
1067 check_extra(struct gl_context *ctx, const char *func, const struct value_desc *d)
1069 const GLuint version = ctx->Version;
1070 GLboolean api_check = GL_FALSE;
1071 GLboolean api_found = GL_FALSE;
1074 for (e = d->extra; *e != EXTRA_END; e++) {
1076 case EXTRA_VERSION_30:
1077 api_check = GL_TRUE;
1079 api_found = GL_TRUE;
1081 case EXTRA_VERSION_31:
1082 api_check = GL_TRUE;
1084 api_found = GL_TRUE;
1086 case EXTRA_VERSION_32:
1087 api_check = GL_TRUE;
1089 api_found = GL_TRUE;
1091 case EXTRA_NEW_FRAG_CLAMP:
1092 if (ctx->NewState & (_NEW_BUFFERS | _NEW_FRAG_CLAMP))
1093 _mesa_update_state(ctx);
1096 api_check = GL_TRUE;
1097 if (ctx->API == API_OPENGLES2)
1098 api_found = GL_TRUE;
1101 api_check = GL_TRUE;
1102 if (_mesa_is_gles3(ctx))
1103 api_found = GL_TRUE;
1105 case EXTRA_API_ES31:
1106 api_check = GL_TRUE;
1107 if (_mesa_is_gles31(ctx))
1108 api_found = GL_TRUE;
1111 api_check = GL_TRUE;
1112 if (_mesa_is_desktop_gl(ctx))
1113 api_found = GL_TRUE;
1115 case EXTRA_API_GL_CORE:
1116 api_check = GL_TRUE;
1117 if (ctx->API == API_OPENGL_CORE)
1118 api_found = GL_TRUE;
1120 case EXTRA_NEW_BUFFERS:
1121 if (ctx->NewState & _NEW_BUFFERS)
1122 _mesa_update_state(ctx);
1124 case EXTRA_FLUSH_CURRENT:
1125 FLUSH_CURRENT(ctx, 0);
1127 case EXTRA_VALID_DRAW_BUFFER:
1128 if (d->pname - GL_DRAW_BUFFER0_ARB >= ctx->Const.MaxDrawBuffers) {
1129 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(draw buffer %u)",
1130 func, d->pname - GL_DRAW_BUFFER0_ARB);
1134 case EXTRA_VALID_TEXTURE_UNIT:
1135 if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) {
1136 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(texture %u)",
1137 func, ctx->Texture.CurrentUnit);
1141 case EXTRA_VALID_CLIP_DISTANCE:
1142 if (d->pname - GL_CLIP_DISTANCE0 >= ctx->Const.MaxClipPlanes) {
1143 _mesa_error(ctx, GL_INVALID_ENUM, "%s(clip distance %u)",
1144 func, d->pname - GL_CLIP_DISTANCE0);
1148 case EXTRA_GLSL_130:
1149 api_check = GL_TRUE;
1150 if (ctx->Const.GLSLVersion >= 130)
1151 api_found = GL_TRUE;
1153 case EXTRA_EXT_UBO_GS4:
1154 api_check = GL_TRUE;
1155 api_found = (ctx->Extensions.ARB_uniform_buffer_object &&
1156 _mesa_has_geometry_shaders(ctx));
1158 case EXTRA_EXT_ATOMICS_GS4:
1159 api_check = GL_TRUE;
1160 api_found = (ctx->Extensions.ARB_shader_atomic_counters &&
1161 _mesa_has_geometry_shaders(ctx));
1163 case EXTRA_EXT_SHADER_IMAGE_GS4:
1164 api_check = GL_TRUE;
1165 api_found = (ctx->Extensions.ARB_shader_image_load_store &&
1166 _mesa_has_geometry_shaders(ctx));
1168 case EXTRA_EXT_ATOMICS_TESS:
1169 api_check = GL_TRUE;
1170 api_found = ctx->Extensions.ARB_shader_atomic_counters &&
1171 _mesa_has_tessellation(ctx);
1173 case EXTRA_EXT_SHADER_IMAGE_TESS:
1174 api_check = GL_TRUE;
1175 api_found = ctx->Extensions.ARB_shader_image_load_store &&
1176 _mesa_has_tessellation(ctx);
1180 default: /* *e is a offset into the extension struct */
1181 api_check = GL_TRUE;
1182 if (*(GLboolean *) ((char *) &ctx->Extensions + *e))
1183 api_found = GL_TRUE;
1188 if (api_check && !api_found) {
1189 _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=%s)", func,
1190 _mesa_enum_to_string(d->pname));
1197 static const struct value_desc error_value =
1198 { 0, 0, TYPE_INVALID, NO_OFFSET, NO_EXTRA };
1201 * Find the struct value_desc corresponding to the enum 'pname'.
1203 * We hash the enum value to get an index into the 'table' array,
1204 * which holds the index in the 'values' array of struct value_desc.
1205 * Once we've found the entry, we do the extra checks, if any, then
1206 * look up the value and return a pointer to it.
1208 * If the value has to be computed (for example, it's the result of a
1209 * function call or we need to add 1 to it), we use the tmp 'v' to
1212 * \param func name of glGet*v() func for error reporting
1213 * \param pname the enum value we're looking up
1214 * \param p is were we return the pointer to the value
1215 * \param v a tmp union value variable in the calling glGet*v() function
1217 * \return the struct value_desc corresponding to the enum or a struct
1218 * value_desc of TYPE_INVALID if not found. This lets the calling
1219 * glGet*v() function jump right into a switch statement and
1220 * handle errors there instead of having to check for NULL.
1222 static const struct value_desc *
1223 find_value(const char *func, GLenum pname, void **p, union value *v)
1225 GET_CURRENT_CONTEXT(ctx);
1226 struct gl_texture_unit *unit;
1228 const struct value_desc *d;
1232 /* We index into the table_set[] list of per-API hash tables using the API's
1233 * value in the gl_api enum. Since GLES 3 doesn't have an API_OPENGL* enum
1234 * value since it's compatible with GLES2 its entry in table_set[] is at the
1237 STATIC_ASSERT(ARRAY_SIZE(table_set) == API_OPENGL_LAST + 3);
1238 if (_mesa_is_gles3(ctx)) {
1239 api = API_OPENGL_LAST + 1;
1241 if (_mesa_is_gles31(ctx)) {
1242 api = API_OPENGL_LAST + 2;
1244 mask = ARRAY_SIZE(table(api)) - 1;
1245 hash = (pname * prime_factor);
1247 int idx = table(api)[hash & mask];
1249 /* If the enum isn't valid, the hash walk ends with index 0,
1250 * pointing to the first entry of values[] which doesn't hold
1251 * any valid enum. */
1252 if (unlikely(idx == 0)) {
1253 _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=%s)", func,
1254 _mesa_enum_to_string(pname));
1255 return &error_value;
1259 if (likely(d->pname == pname))
1265 if (unlikely(d->extra && !check_extra(ctx, func, d)))
1266 return &error_value;
1268 switch (d->location) {
1270 *p = ((char *) ctx->DrawBuffer + d->offset);
1273 *p = ((char *) ctx + d->offset);
1276 *p = ((char *) ctx->Array.VAO + d->offset);
1279 unit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
1280 *p = ((char *) unit + d->offset);
1283 find_custom_value(ctx, d, v);
1291 /* silence warning */
1292 return &error_value;
1295 static const int transpose[] = {
1303 _mesa_GetBooleanv(GLenum pname, GLboolean *params)
1305 const struct value_desc *d;
1311 d = find_value("glGetBooleanv", pname, &p, &v);
1316 params[0] = INT_TO_BOOLEAN(d->offset);
1321 params[3] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[3]);
1324 params[2] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[2]);
1327 params[1] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[1]);
1330 params[0] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[0]);
1333 case TYPE_DOUBLEN_2:
1334 params[1] = FLOAT_TO_BOOLEAN(((GLdouble *) p)[1]);
1336 params[0] = FLOAT_TO_BOOLEAN(((GLdouble *) p)[0]);
1340 params[3] = INT_TO_BOOLEAN(((GLint *) p)[3]);
1342 params[2] = INT_TO_BOOLEAN(((GLint *) p)[2]);
1345 params[1] = INT_TO_BOOLEAN(((GLint *) p)[1]);
1348 params[0] = INT_TO_BOOLEAN(((GLint *) p)[0]);
1352 for (i = 0; i < v.value_int_n.n; i++)
1353 params[i] = INT_TO_BOOLEAN(v.value_int_n.ints[i]);
1357 params[0] = INT64_TO_BOOLEAN(((GLint64 *) p)[0]);
1361 params[0] = ((GLboolean*) p)[0];
1365 m = *(GLmatrix **) p;
1366 for (i = 0; i < 16; i++)
1367 params[i] = FLOAT_TO_BOOLEAN(m->m[i]);
1371 m = *(GLmatrix **) p;
1372 for (i = 0; i < 16; i++)
1373 params[i] = FLOAT_TO_BOOLEAN(m->m[transpose[i]]);
1384 shift = d->type - TYPE_BIT_0;
1385 params[0] = (*(GLbitfield *) p >> shift) & 1;
1391 _mesa_GetFloatv(GLenum pname, GLfloat *params)
1393 const struct value_desc *d;
1399 d = find_value("glGetFloatv", pname, &p, &v);
1404 params[0] = (GLfloat) d->offset;
1409 params[3] = ((GLfloat *) p)[3];
1412 params[2] = ((GLfloat *) p)[2];
1415 params[1] = ((GLfloat *) p)[1];
1418 params[0] = ((GLfloat *) p)[0];
1421 case TYPE_DOUBLEN_2:
1422 params[1] = (GLfloat) (((GLdouble *) p)[1]);
1424 params[0] = (GLfloat) (((GLdouble *) p)[0]);
1428 params[3] = (GLfloat) (((GLint *) p)[3]);
1430 params[2] = (GLfloat) (((GLint *) p)[2]);
1433 params[1] = (GLfloat) (((GLint *) p)[1]);
1436 params[0] = (GLfloat) (((GLint *) p)[0]);
1440 for (i = 0; i < v.value_int_n.n; i++)
1441 params[i] = INT_TO_FLOAT(v.value_int_n.ints[i]);
1445 params[0] = (GLfloat) (((GLint64 *) p)[0]);
1449 params[0] = BOOLEAN_TO_FLOAT(*(GLboolean*) p);
1453 m = *(GLmatrix **) p;
1454 for (i = 0; i < 16; i++)
1455 params[i] = m->m[i];
1459 m = *(GLmatrix **) p;
1460 for (i = 0; i < 16; i++)
1461 params[i] = m->m[transpose[i]];
1472 shift = d->type - TYPE_BIT_0;
1473 params[0] = BOOLEAN_TO_FLOAT((*(GLbitfield *) p >> shift) & 1);
1479 _mesa_GetIntegerv(GLenum pname, GLint *params)
1481 const struct value_desc *d;
1487 d = find_value("glGetIntegerv", pname, &p, &v);
1492 params[0] = d->offset;
1496 params[3] = IROUND(((GLfloat *) p)[3]);
1498 params[2] = IROUND(((GLfloat *) p)[2]);
1500 params[1] = IROUND(((GLfloat *) p)[1]);
1502 params[0] = IROUND(((GLfloat *) p)[0]);
1506 params[3] = FLOAT_TO_INT(((GLfloat *) p)[3]);
1508 params[2] = FLOAT_TO_INT(((GLfloat *) p)[2]);
1510 params[1] = FLOAT_TO_INT(((GLfloat *) p)[1]);
1512 params[0] = FLOAT_TO_INT(((GLfloat *) p)[0]);
1515 case TYPE_DOUBLEN_2:
1516 params[1] = FLOAT_TO_INT(((GLdouble *) p)[1]);
1518 params[0] = FLOAT_TO_INT(((GLdouble *) p)[0]);
1522 params[3] = ((GLint *) p)[3];
1524 params[2] = ((GLint *) p)[2];
1527 params[1] = ((GLint *) p)[1];
1530 params[0] = ((GLint *) p)[0];
1534 for (i = 0; i < v.value_int_n.n; i++)
1535 params[i] = v.value_int_n.ints[i];
1539 params[0] = INT64_TO_INT(((GLint64 *) p)[0]);
1543 params[0] = BOOLEAN_TO_INT(*(GLboolean*) p);
1547 m = *(GLmatrix **) p;
1548 for (i = 0; i < 16; i++)
1549 params[i] = FLOAT_TO_INT(m->m[i]);
1553 m = *(GLmatrix **) p;
1554 for (i = 0; i < 16; i++)
1555 params[i] = FLOAT_TO_INT(m->m[transpose[i]]);
1566 shift = d->type - TYPE_BIT_0;
1567 params[0] = (*(GLbitfield *) p >> shift) & 1;
1573 _mesa_GetInteger64v(GLenum pname, GLint64 *params)
1575 const struct value_desc *d;
1581 d = find_value("glGetInteger64v", pname, &p, &v);
1586 params[0] = d->offset;
1590 params[3] = IROUND64(((GLfloat *) p)[3]);
1592 params[2] = IROUND64(((GLfloat *) p)[2]);
1594 params[1] = IROUND64(((GLfloat *) p)[1]);
1596 params[0] = IROUND64(((GLfloat *) p)[0]);
1600 params[3] = FLOAT_TO_INT64(((GLfloat *) p)[3]);
1602 params[2] = FLOAT_TO_INT64(((GLfloat *) p)[2]);
1604 params[1] = FLOAT_TO_INT64(((GLfloat *) p)[1]);
1606 params[0] = FLOAT_TO_INT64(((GLfloat *) p)[0]);
1609 case TYPE_DOUBLEN_2:
1610 params[1] = FLOAT_TO_INT64(((GLdouble *) p)[1]);
1612 params[0] = FLOAT_TO_INT64(((GLdouble *) p)[0]);
1616 params[3] = ((GLint *) p)[3];
1618 params[2] = ((GLint *) p)[2];
1621 params[1] = ((GLint *) p)[1];
1624 params[0] = ((GLint *) p)[0];
1628 for (i = 0; i < v.value_int_n.n; i++)
1629 params[i] = INT_TO_BOOLEAN(v.value_int_n.ints[i]);
1633 params[0] = ((GLint64 *) p)[0];
1637 params[0] = ((GLboolean*) p)[0];
1641 m = *(GLmatrix **) p;
1642 for (i = 0; i < 16; i++)
1643 params[i] = FLOAT_TO_INT64(m->m[i]);
1647 m = *(GLmatrix **) p;
1648 for (i = 0; i < 16; i++)
1649 params[i] = FLOAT_TO_INT64(m->m[transpose[i]]);
1660 shift = d->type - TYPE_BIT_0;
1661 params[0] = (*(GLbitfield *) p >> shift) & 1;
1667 _mesa_GetDoublev(GLenum pname, GLdouble *params)
1669 const struct value_desc *d;
1675 d = find_value("glGetDoublev", pname, &p, &v);
1680 params[0] = d->offset;
1685 params[3] = ((GLfloat *) p)[3];
1688 params[2] = ((GLfloat *) p)[2];
1691 params[1] = ((GLfloat *) p)[1];
1694 params[0] = ((GLfloat *) p)[0];
1697 case TYPE_DOUBLEN_2:
1698 params[1] = ((GLdouble *) p)[1];
1700 params[0] = ((GLdouble *) p)[0];
1704 params[3] = ((GLint *) p)[3];
1706 params[2] = ((GLint *) p)[2];
1709 params[1] = ((GLint *) p)[1];
1712 params[0] = ((GLint *) p)[0];
1716 for (i = 0; i < v.value_int_n.n; i++)
1717 params[i] = v.value_int_n.ints[i];
1721 params[0] = (GLdouble) (((GLint64 *) p)[0]);
1725 params[0] = *(GLboolean*) p;
1729 m = *(GLmatrix **) p;
1730 for (i = 0; i < 16; i++)
1731 params[i] = m->m[i];
1735 m = *(GLmatrix **) p;
1736 for (i = 0; i < 16; i++)
1737 params[i] = m->m[transpose[i]];
1748 shift = d->type - TYPE_BIT_0;
1749 params[0] = (*(GLbitfield *) p >> shift) & 1;
1755 * Convert a GL texture binding enum such as GL_TEXTURE_BINDING_2D
1756 * into the corresponding Mesa texture target index.
1757 * \return TEXTURE_x_INDEX or -1 if binding is invalid
1760 tex_binding_to_index(const struct gl_context *ctx, GLenum binding)
1763 case GL_TEXTURE_BINDING_1D:
1764 return _mesa_is_desktop_gl(ctx) ? TEXTURE_1D_INDEX : -1;
1765 case GL_TEXTURE_BINDING_2D:
1766 return TEXTURE_2D_INDEX;
1767 case GL_TEXTURE_BINDING_3D:
1768 return ctx->API != API_OPENGLES ? TEXTURE_3D_INDEX : -1;
1769 case GL_TEXTURE_BINDING_CUBE_MAP:
1770 return ctx->Extensions.ARB_texture_cube_map
1771 ? TEXTURE_CUBE_INDEX : -1;
1772 case GL_TEXTURE_BINDING_RECTANGLE:
1773 return _mesa_is_desktop_gl(ctx) && ctx->Extensions.NV_texture_rectangle
1774 ? TEXTURE_RECT_INDEX : -1;
1775 case GL_TEXTURE_BINDING_1D_ARRAY:
1776 return _mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array
1777 ? TEXTURE_1D_ARRAY_INDEX : -1;
1778 case GL_TEXTURE_BINDING_2D_ARRAY:
1779 return (_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array)
1780 || _mesa_is_gles3(ctx)
1781 ? TEXTURE_2D_ARRAY_INDEX : -1;
1782 case GL_TEXTURE_BINDING_BUFFER:
1783 return ctx->API == API_OPENGL_CORE &&
1784 ctx->Extensions.ARB_texture_buffer_object ?
1785 TEXTURE_BUFFER_INDEX : -1;
1786 case GL_TEXTURE_BINDING_CUBE_MAP_ARRAY:
1787 return _mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_cube_map_array
1788 ? TEXTURE_CUBE_ARRAY_INDEX : -1;
1789 case GL_TEXTURE_BINDING_2D_MULTISAMPLE:
1790 return _mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_multisample
1791 ? TEXTURE_2D_MULTISAMPLE_INDEX : -1;
1792 case GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY:
1793 return _mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_multisample
1794 ? TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX : -1;
1800 static enum value_type
1801 find_value_indexed(const char *func, GLenum pname, GLuint index, union value *v)
1803 GET_CURRENT_CONTEXT(ctx);
1808 if (index >= ctx->Const.MaxDrawBuffers)
1810 if (!ctx->Extensions.EXT_draw_buffers2)
1812 v->value_int = (ctx->Color.BlendEnabled >> index) & 1;
1817 case GL_BLEND_SRC_RGB:
1818 if (index >= ctx->Const.MaxDrawBuffers)
1820 if (!ctx->Extensions.ARB_draw_buffers_blend)
1822 v->value_int = ctx->Color.Blend[index].SrcRGB;
1824 case GL_BLEND_SRC_ALPHA:
1825 if (index >= ctx->Const.MaxDrawBuffers)
1827 if (!ctx->Extensions.ARB_draw_buffers_blend)
1829 v->value_int = ctx->Color.Blend[index].SrcA;
1833 case GL_BLEND_DST_RGB:
1834 if (index >= ctx->Const.MaxDrawBuffers)
1836 if (!ctx->Extensions.ARB_draw_buffers_blend)
1838 v->value_int = ctx->Color.Blend[index].DstRGB;
1840 case GL_BLEND_DST_ALPHA:
1841 if (index >= ctx->Const.MaxDrawBuffers)
1843 if (!ctx->Extensions.ARB_draw_buffers_blend)
1845 v->value_int = ctx->Color.Blend[index].DstA;
1847 case GL_BLEND_EQUATION_RGB:
1848 if (index >= ctx->Const.MaxDrawBuffers)
1850 if (!ctx->Extensions.ARB_draw_buffers_blend)
1852 v->value_int = ctx->Color.Blend[index].EquationRGB;
1854 case GL_BLEND_EQUATION_ALPHA:
1855 if (index >= ctx->Const.MaxDrawBuffers)
1857 if (!ctx->Extensions.ARB_draw_buffers_blend)
1859 v->value_int = ctx->Color.Blend[index].EquationA;
1862 case GL_COLOR_WRITEMASK:
1863 if (index >= ctx->Const.MaxDrawBuffers)
1865 if (!ctx->Extensions.EXT_draw_buffers2)
1867 v->value_int_4[0] = ctx->Color.ColorMask[index][RCOMP] ? 1 : 0;
1868 v->value_int_4[1] = ctx->Color.ColorMask[index][GCOMP] ? 1 : 0;
1869 v->value_int_4[2] = ctx->Color.ColorMask[index][BCOMP] ? 1 : 0;
1870 v->value_int_4[3] = ctx->Color.ColorMask[index][ACOMP] ? 1 : 0;
1873 case GL_SCISSOR_BOX:
1874 if (index >= ctx->Const.MaxViewports)
1876 v->value_int_4[0] = ctx->Scissor.ScissorArray[index].X;
1877 v->value_int_4[1] = ctx->Scissor.ScissorArray[index].Y;
1878 v->value_int_4[2] = ctx->Scissor.ScissorArray[index].Width;
1879 v->value_int_4[3] = ctx->Scissor.ScissorArray[index].Height;
1883 if (index >= ctx->Const.MaxViewports)
1885 v->value_float_4[0] = ctx->ViewportArray[index].X;
1886 v->value_float_4[1] = ctx->ViewportArray[index].Y;
1887 v->value_float_4[2] = ctx->ViewportArray[index].Width;
1888 v->value_float_4[3] = ctx->ViewportArray[index].Height;
1889 return TYPE_FLOAT_4;
1891 case GL_DEPTH_RANGE:
1892 if (index >= ctx->Const.MaxViewports)
1894 v->value_double_2[0] = ctx->ViewportArray[index].Near;
1895 v->value_double_2[1] = ctx->ViewportArray[index].Far;
1896 return TYPE_DOUBLEN_2;
1898 case GL_TRANSFORM_FEEDBACK_BUFFER_START:
1899 if (index >= ctx->Const.MaxTransformFeedbackBuffers)
1901 if (!ctx->Extensions.EXT_transform_feedback)
1903 v->value_int64 = ctx->TransformFeedback.CurrentObject->Offset[index];
1906 case GL_TRANSFORM_FEEDBACK_BUFFER_SIZE:
1907 if (index >= ctx->Const.MaxTransformFeedbackBuffers)
1909 if (!ctx->Extensions.EXT_transform_feedback)
1912 = ctx->TransformFeedback.CurrentObject->RequestedSize[index];
1915 case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING:
1916 if (index >= ctx->Const.MaxTransformFeedbackBuffers)
1918 if (!ctx->Extensions.EXT_transform_feedback)
1920 v->value_int = ctx->TransformFeedback.CurrentObject->BufferNames[index];
1923 case GL_UNIFORM_BUFFER_BINDING:
1924 if (index >= ctx->Const.MaxUniformBufferBindings)
1926 if (!ctx->Extensions.ARB_uniform_buffer_object)
1928 v->value_int = ctx->UniformBufferBindings[index].BufferObject->Name;
1931 case GL_UNIFORM_BUFFER_START:
1932 if (index >= ctx->Const.MaxUniformBufferBindings)
1934 if (!ctx->Extensions.ARB_uniform_buffer_object)
1936 v->value_int = ctx->UniformBufferBindings[index].Offset;
1939 case GL_UNIFORM_BUFFER_SIZE:
1940 if (index >= ctx->Const.MaxUniformBufferBindings)
1942 if (!ctx->Extensions.ARB_uniform_buffer_object)
1944 v->value_int = ctx->UniformBufferBindings[index].Size;
1947 /* ARB_texture_multisample / GL3.2 */
1948 case GL_SAMPLE_MASK_VALUE:
1951 if (!ctx->Extensions.ARB_texture_multisample)
1953 v->value_int = ctx->Multisample.SampleMaskValue;
1956 case GL_ATOMIC_COUNTER_BUFFER_BINDING:
1957 if (!ctx->Extensions.ARB_shader_atomic_counters)
1959 if (index >= ctx->Const.MaxAtomicBufferBindings)
1961 v->value_int = ctx->AtomicBufferBindings[index].BufferObject->Name;
1964 case GL_ATOMIC_COUNTER_BUFFER_START:
1965 if (!ctx->Extensions.ARB_shader_atomic_counters)
1967 if (index >= ctx->Const.MaxAtomicBufferBindings)
1969 v->value_int64 = ctx->AtomicBufferBindings[index].Offset;
1972 case GL_ATOMIC_COUNTER_BUFFER_SIZE:
1973 if (!ctx->Extensions.ARB_shader_atomic_counters)
1975 if (index >= ctx->Const.MaxAtomicBufferBindings)
1977 v->value_int64 = ctx->AtomicBufferBindings[index].Size;
1980 case GL_VERTEX_BINDING_DIVISOR:
1981 if (!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_instanced_arrays)
1983 if (index >= ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs)
1985 v->value_int = ctx->Array.VAO->VertexBinding[VERT_ATTRIB_GENERIC(index)].InstanceDivisor;
1988 case GL_VERTEX_BINDING_OFFSET:
1989 if (!_mesa_is_desktop_gl(ctx))
1991 if (index >= ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs)
1993 v->value_int = ctx->Array.VAO->VertexBinding[VERT_ATTRIB_GENERIC(index)].Offset;
1996 case GL_VERTEX_BINDING_STRIDE:
1997 if (!_mesa_is_desktop_gl(ctx))
1999 if (index >= ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs)
2001 v->value_int = ctx->Array.VAO->VertexBinding[VERT_ATTRIB_GENERIC(index)].Stride;
2004 /* ARB_shader_image_load_store */
2005 case GL_IMAGE_BINDING_NAME: {
2006 struct gl_texture_object *t;
2008 if (!ctx->Extensions.ARB_shader_image_load_store)
2010 if (index >= ctx->Const.MaxImageUnits)
2013 t = ctx->ImageUnits[index].TexObj;
2014 v->value_int = (t ? t->Name : 0);
2018 case GL_IMAGE_BINDING_LEVEL:
2019 if (!ctx->Extensions.ARB_shader_image_load_store)
2021 if (index >= ctx->Const.MaxImageUnits)
2024 v->value_int = ctx->ImageUnits[index].Level;
2027 case GL_IMAGE_BINDING_LAYERED:
2028 if (!ctx->Extensions.ARB_shader_image_load_store)
2030 if (index >= ctx->Const.MaxImageUnits)
2033 v->value_int = ctx->ImageUnits[index].Layered;
2036 case GL_IMAGE_BINDING_LAYER:
2037 if (!ctx->Extensions.ARB_shader_image_load_store)
2039 if (index >= ctx->Const.MaxImageUnits)
2042 v->value_int = ctx->ImageUnits[index].Layer;
2045 case GL_IMAGE_BINDING_ACCESS:
2046 if (!ctx->Extensions.ARB_shader_image_load_store)
2048 if (index >= ctx->Const.MaxImageUnits)
2051 v->value_int = ctx->ImageUnits[index].Access;
2054 case GL_IMAGE_BINDING_FORMAT:
2055 if (!ctx->Extensions.ARB_shader_image_load_store)
2057 if (index >= ctx->Const.MaxImageUnits)
2060 v->value_int = ctx->ImageUnits[index].Format;
2063 /* ARB_direct_state_access */
2064 case GL_TEXTURE_BINDING_1D:
2065 case GL_TEXTURE_BINDING_1D_ARRAY:
2066 case GL_TEXTURE_BINDING_2D:
2067 case GL_TEXTURE_BINDING_2D_ARRAY:
2068 case GL_TEXTURE_BINDING_2D_MULTISAMPLE:
2069 case GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY:
2070 case GL_TEXTURE_BINDING_3D:
2071 case GL_TEXTURE_BINDING_BUFFER:
2072 case GL_TEXTURE_BINDING_CUBE_MAP:
2073 case GL_TEXTURE_BINDING_CUBE_MAP_ARRAY:
2074 case GL_TEXTURE_BINDING_RECTANGLE: {
2077 if (ctx->API != API_OPENGL_CORE)
2079 target = tex_binding_to_index(ctx, pname);
2082 if (index >= _mesa_max_tex_unit(ctx))
2085 v->value_int = ctx->Texture.Unit[index].CurrentTex[target]->Name;
2089 case GL_SAMPLER_BINDING: {
2090 struct gl_sampler_object *samp;
2092 if (ctx->API != API_OPENGL_CORE)
2094 if (index >= _mesa_max_tex_unit(ctx))
2097 samp = ctx->Texture.Unit[index].Sampler;
2098 v->value_int = samp ? samp->Name : 0;
2102 case GL_MAX_COMPUTE_WORK_GROUP_COUNT:
2103 if (!_mesa_has_compute_shaders(ctx))
2107 v->value_int = ctx->Const.MaxComputeWorkGroupCount[index];
2110 case GL_MAX_COMPUTE_WORK_GROUP_SIZE:
2111 if (!_mesa_has_compute_shaders(ctx))
2115 v->value_int = ctx->Const.MaxComputeWorkGroupSize[index];
2120 _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=%s)", func,
2121 _mesa_enum_to_string(pname));
2122 return TYPE_INVALID;
2124 _mesa_error(ctx, GL_INVALID_VALUE, "%s(pname=%s)", func,
2125 _mesa_enum_to_string(pname));
2126 return TYPE_INVALID;
2130 _mesa_GetBooleani_v( GLenum pname, GLuint index, GLboolean *params )
2133 enum value_type type =
2134 find_value_indexed("glGetBooleani_v", pname, index, &v);
2138 params[0] = INT_TO_BOOLEAN(v.value_int);
2141 params[0] = INT_TO_BOOLEAN(v.value_int_4[0]);
2142 params[1] = INT_TO_BOOLEAN(v.value_int_4[1]);
2143 params[2] = INT_TO_BOOLEAN(v.value_int_4[2]);
2144 params[3] = INT_TO_BOOLEAN(v.value_int_4[3]);
2147 params[0] = INT64_TO_BOOLEAN(v.value_int64);
2150 ; /* nothing - GL error was recorded */
2155 _mesa_GetIntegeri_v( GLenum pname, GLuint index, GLint *params )
2158 enum value_type type =
2159 find_value_indexed("glGetIntegeri_v", pname, index, &v);
2164 params[3] = IROUND(v.value_float_4[3]);
2167 params[2] = IROUND(v.value_float_4[2]);
2170 params[1] = IROUND(v.value_float_4[1]);
2173 params[0] = IROUND(v.value_float_4[0]);
2176 case TYPE_DOUBLEN_2:
2177 params[1] = IROUND(v.value_double_2[1]);
2179 params[0] = IROUND(v.value_double_2[0]);
2183 params[0] = v.value_int;
2186 params[0] = v.value_int_4[0];
2187 params[1] = v.value_int_4[1];
2188 params[2] = v.value_int_4[2];
2189 params[3] = v.value_int_4[3];
2192 params[0] = INT64_TO_INT(v.value_int64);
2195 ; /* nothing - GL error was recorded */
2200 _mesa_GetInteger64i_v( GLenum pname, GLuint index, GLint64 *params )
2203 enum value_type type =
2204 find_value_indexed("glGetInteger64i_v", pname, index, &v);
2208 params[0] = v.value_int;
2211 params[0] = v.value_int_4[0];
2212 params[1] = v.value_int_4[1];
2213 params[2] = v.value_int_4[2];
2214 params[3] = v.value_int_4[3];
2217 params[0] = v.value_int64;
2220 ; /* nothing - GL error was recorded */
2225 _mesa_GetFloati_v(GLenum pname, GLuint index, GLfloat *params)
2230 enum value_type type =
2231 find_value_indexed("glGetFloati_v", pname, index, &v);
2236 params[3] = v.value_float_4[3];
2239 params[2] = v.value_float_4[2];
2242 params[1] = v.value_float_4[1];
2245 params[0] = v.value_float_4[0];
2248 case TYPE_DOUBLEN_2:
2249 params[1] = (GLfloat) v.value_double_2[1];
2251 params[0] = (GLfloat) v.value_double_2[0];
2255 params[3] = (GLfloat) v.value_int_4[3];
2257 params[2] = (GLfloat) v.value_int_4[2];
2260 params[1] = (GLfloat) v.value_int_4[1];
2263 params[0] = (GLfloat) v.value_int_4[0];
2267 for (i = 0; i < v.value_int_n.n; i++)
2268 params[i] = INT_TO_FLOAT(v.value_int_n.ints[i]);
2272 params[0] = (GLfloat) v.value_int64;
2276 params[0] = BOOLEAN_TO_FLOAT(v.value_bool);
2280 m = *(GLmatrix **) &v;
2281 for (i = 0; i < 16; i++)
2282 params[i] = m->m[i];
2286 m = *(GLmatrix **) &v;
2287 for (i = 0; i < 16; i++)
2288 params[i] = m->m[transpose[i]];
2297 _mesa_GetDoublei_v(GLenum pname, GLuint index, GLdouble *params)
2302 enum value_type type =
2303 find_value_indexed("glGetDoublei_v", pname, index, &v);
2308 params[3] = (GLdouble) v.value_float_4[3];
2311 params[2] = (GLdouble) v.value_float_4[2];
2314 params[1] = (GLdouble) v.value_float_4[1];
2317 params[0] = (GLdouble) v.value_float_4[0];
2320 case TYPE_DOUBLEN_2:
2321 params[1] = v.value_double_2[1];
2323 params[0] = v.value_double_2[0];
2327 params[3] = (GLdouble) v.value_int_4[3];
2329 params[2] = (GLdouble) v.value_int_4[2];
2332 params[1] = (GLdouble) v.value_int_4[1];
2335 params[0] = (GLdouble) v.value_int_4[0];
2339 for (i = 0; i < v.value_int_n.n; i++)
2340 params[i] = (GLdouble) INT_TO_FLOAT(v.value_int_n.ints[i]);
2344 params[0] = (GLdouble) v.value_int64;
2348 params[0] = (GLdouble) BOOLEAN_TO_FLOAT(v.value_bool);
2352 m = *(GLmatrix **) &v;
2353 for (i = 0; i < 16; i++)
2354 params[i] = (GLdouble) m->m[i];
2358 m = *(GLmatrix **) &v;
2359 for (i = 0; i < 16; i++)
2360 params[i] = (GLdouble) m->m[transpose[i]];
2369 _mesa_GetFixedv(GLenum pname, GLfixed *params)
2371 const struct value_desc *d;
2377 d = find_value("glGetDoublev", pname, &p, &v);
2382 params[0] = INT_TO_FIXED(d->offset);
2387 params[3] = FLOAT_TO_FIXED(((GLfloat *) p)[3]);
2390 params[2] = FLOAT_TO_FIXED(((GLfloat *) p)[2]);
2393 params[1] = FLOAT_TO_FIXED(((GLfloat *) p)[1]);
2396 params[0] = FLOAT_TO_FIXED(((GLfloat *) p)[0]);
2399 case TYPE_DOUBLEN_2:
2400 params[1] = FLOAT_TO_FIXED(((GLdouble *) p)[1]);
2402 params[0] = FLOAT_TO_FIXED(((GLdouble *) p)[0]);
2406 params[3] = INT_TO_FIXED(((GLint *) p)[3]);
2408 params[2] = INT_TO_FIXED(((GLint *) p)[2]);
2411 params[1] = INT_TO_FIXED(((GLint *) p)[1]);
2414 params[0] = INT_TO_FIXED(((GLint *) p)[0]);
2418 for (i = 0; i < v.value_int_n.n; i++)
2419 params[i] = INT_TO_FIXED(v.value_int_n.ints[i]);
2423 params[0] = ((GLint64 *) p)[0];
2427 params[0] = BOOLEAN_TO_FIXED(((GLboolean*) p)[0]);
2431 m = *(GLmatrix **) p;
2432 for (i = 0; i < 16; i++)
2433 params[i] = FLOAT_TO_FIXED(m->m[i]);
2437 m = *(GLmatrix **) p;
2438 for (i = 0; i < 16; i++)
2439 params[i] = FLOAT_TO_FIXED(m->m[transpose[i]]);
2450 shift = d->type - TYPE_BIT_0;
2451 params[0] = BOOLEAN_TO_FIXED((*(GLbitfield *) p >> shift) & 1);