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>
29 #include "debug_output.h"
33 #include "extensions.h"
38 #include "texcompress.h"
40 #include "framebuffer.h"
41 #include "samplerobj.h"
45 /* This is a table driven implemetation of the glGet*v() functions.
46 * The basic idea is that most getters just look up an int somewhere
47 * in struct gl_context and then convert it to a bool or float according to
48 * which of glGetIntegerv() glGetBooleanv() etc is being called.
49 * Instead of generating code to do this, we can just record the enum
50 * value and the offset into struct gl_context in an array of structs. Then
51 * in glGet*(), we lookup the struct for the enum in question, and use
52 * the offset to get the int we need.
54 * Sometimes we need to look up a float, a boolean, a bit in a
55 * bitfield, a matrix or other types instead, so we need to track the
56 * type of the value in struct gl_context. And sometimes the value isn't in
57 * struct gl_context but in the drawbuffer, the array object, current texture
58 * unit, or maybe it's a computed value. So we need to also track
59 * where or how to find the value. Finally, we sometimes need to
60 * check that one of a number of extensions are enabled, the GL
61 * version or flush or call _mesa_update_state(). This is done by
62 * attaching optional extra information to the value description
63 * struct, it's sort of like an array of opcodes that describe extra
66 * Putting all this together we end up with struct value_desc below,
67 * and with a couple of macros to help, the table of struct value_desc
68 * is about as concise as the specification in the old python script.
71 #define FLOAT_TO_BOOLEAN(X) ( (X) ? GL_TRUE : GL_FALSE )
72 #define FLOAT_TO_FIXED(F) ( ((F) * 65536.0f > INT_MAX) ? INT_MAX : \
73 ((F) * 65536.0f < INT_MIN) ? INT_MIN : \
74 (GLint) ((F) * 65536.0f) )
76 #define INT_TO_BOOLEAN(I) ( (I) ? GL_TRUE : GL_FALSE )
77 #define INT_TO_FIXED(I) ( ((I) > SHRT_MAX) ? INT_MAX : \
78 ((I) < SHRT_MIN) ? INT_MIN : \
79 (GLint) ((I) * 65536) )
81 #define INT64_TO_BOOLEAN(I) ( (I) ? GL_TRUE : GL_FALSE )
82 #define INT64_TO_INT(I) ( (GLint)((I > INT_MAX) ? INT_MAX : ((I < INT_MIN) ? INT_MIN : (I))) )
84 #define BOOLEAN_TO_INT(B) ( (GLint) (B) )
85 #define BOOLEAN_TO_INT64(B) ( (GLint64) (B) )
86 #define BOOLEAN_TO_FLOAT(B) ( (B) ? 1.0F : 0.0F )
87 #define BOOLEAN_TO_FIXED(B) ( (GLint) ((B) ? 1 : 0) << 16 )
89 #define ENUM_TO_INT64(E) ( (GLint64) (E) )
90 #define ENUM_TO_FIXED(E) (E)
134 enum value_location
{
156 EXTRA_NEW_FRAG_CLAMP
,
157 EXTRA_VALID_DRAW_BUFFER
,
158 EXTRA_VALID_TEXTURE_UNIT
,
159 EXTRA_VALID_CLIP_DISTANCE
,
163 EXTRA_EXT_ATOMICS_GS
,
164 EXTRA_EXT_SHADER_IMAGE_GS
,
165 EXTRA_EXT_ATOMICS_TESS
,
166 EXTRA_EXT_SHADER_IMAGE_TESS
,
168 EXTRA_EXT_FB_NO_ATTACH_GS
,
170 EXTRA_EXT_PROVOKING_VERTEX_32
,
173 #define NO_EXTRA NULL
178 GLubyte location
; /**< enum value_location */
179 GLubyte type
; /**< enum value_type */
186 GLfloat value_float_4
[4];
187 GLdouble value_double_2
[2];
188 GLmatrix
*value_matrix
;
190 GLint value_int_4
[4];
197 /* Sigh, see GL_COMPRESSED_TEXTURE_FORMATS_ARB handling */
201 GLboolean value_bool
;
204 #define BUFFER_FIELD(field, type) \
205 LOC_BUFFER, type, offsetof(struct gl_framebuffer, field)
206 #define CONTEXT_FIELD(field, type) \
207 LOC_CONTEXT, type, offsetof(struct gl_context, field)
208 #define ARRAY_FIELD(field, type) \
209 LOC_ARRAY, type, offsetof(struct gl_vertex_array_object, field)
210 #undef CONST /* already defined through windows.h */
211 #define CONST(value) \
212 LOC_CONTEXT, TYPE_CONST, value
214 #define BUFFER_INT(field) BUFFER_FIELD(field, TYPE_INT)
215 #define BUFFER_ENUM(field) BUFFER_FIELD(field, TYPE_ENUM)
216 #define BUFFER_ENUM16(field) BUFFER_FIELD(field, TYPE_ENUM16)
217 #define BUFFER_BOOL(field) BUFFER_FIELD(field, TYPE_BOOLEAN)
219 #define CONTEXT_INT(field) CONTEXT_FIELD(field, TYPE_INT)
220 #define CONTEXT_INT2(field) CONTEXT_FIELD(field, TYPE_INT_2)
221 #define CONTEXT_INT64(field) CONTEXT_FIELD(field, TYPE_INT64)
222 #define CONTEXT_UINT(field) CONTEXT_FIELD(field, TYPE_UINT)
223 #define CONTEXT_ENUM16(field) CONTEXT_FIELD(field, TYPE_ENUM16)
224 #define CONTEXT_ENUM(field) CONTEXT_FIELD(field, TYPE_ENUM)
225 #define CONTEXT_ENUM2(field) CONTEXT_FIELD(field, TYPE_ENUM_2)
226 #define CONTEXT_BOOL(field) CONTEXT_FIELD(field, TYPE_BOOLEAN)
227 #define CONTEXT_BIT0(field) CONTEXT_FIELD(field, TYPE_BIT_0)
228 #define CONTEXT_BIT1(field) CONTEXT_FIELD(field, TYPE_BIT_1)
229 #define CONTEXT_BIT2(field) CONTEXT_FIELD(field, TYPE_BIT_2)
230 #define CONTEXT_BIT3(field) CONTEXT_FIELD(field, TYPE_BIT_3)
231 #define CONTEXT_BIT4(field) CONTEXT_FIELD(field, TYPE_BIT_4)
232 #define CONTEXT_BIT5(field) CONTEXT_FIELD(field, TYPE_BIT_5)
233 #define CONTEXT_BIT6(field) CONTEXT_FIELD(field, TYPE_BIT_6)
234 #define CONTEXT_BIT7(field) CONTEXT_FIELD(field, TYPE_BIT_7)
235 #define CONTEXT_FLOAT(field) CONTEXT_FIELD(field, TYPE_FLOAT)
236 #define CONTEXT_FLOAT2(field) CONTEXT_FIELD(field, TYPE_FLOAT_2)
237 #define CONTEXT_FLOAT3(field) CONTEXT_FIELD(field, TYPE_FLOAT_3)
238 #define CONTEXT_FLOAT4(field) CONTEXT_FIELD(field, TYPE_FLOAT_4)
239 #define CONTEXT_FLOAT8(field) CONTEXT_FIELD(field, TYPE_FLOAT_8)
240 #define CONTEXT_MATRIX(field) CONTEXT_FIELD(field, TYPE_MATRIX)
241 #define CONTEXT_MATRIX_T(field) CONTEXT_FIELD(field, TYPE_MATRIX_T)
243 /* Vertex array fields */
244 #define ARRAY_INT(field) ARRAY_FIELD(field, TYPE_INT)
245 #define ARRAY_ENUM(field) ARRAY_FIELD(field, TYPE_ENUM)
246 #define ARRAY_ENUM16(field) ARRAY_FIELD(field, TYPE_ENUM16)
247 #define ARRAY_BOOL(field) ARRAY_FIELD(field, TYPE_BOOLEAN)
248 #define ARRAY_UBYTE(field) ARRAY_FIELD(field, TYPE_UBYTE)
249 #define ARRAY_SHORT(field) ARRAY_FIELD(field, TYPE_SHORT)
252 offsetof(struct gl_extensions, f)
254 #define EXTRA_EXT(e) \
255 static const int extra_##e[] = { \
259 #define EXTRA_EXT2(e1, e2) \
260 static const int extra_##e1##_##e2[] = { \
261 EXT(e1), EXT(e2), EXTRA_END \
264 /* The 'extra' mechanism is a way to specify extra checks (such as
265 * extensions or specific gl versions) or actions (flush current, new
266 * buffers) that we need to do before looking up an enum. We need to
267 * declare them all up front so we can refer to them in the value_desc
270 * Each EXTRA_ will be executed. For EXTRA_* enums of extensions and API
271 * versions, listing multiple ones in an array means an error will be thrown
272 * only if none of them are available. If you need to check for "AND"
273 * behavior, you would need to make a custom EXTRA_ enum.
276 static const int extra_new_buffers
[] = {
281 static const int extra_new_frag_clamp
[] = {
282 EXTRA_NEW_FRAG_CLAMP
,
286 static const int extra_valid_draw_buffer
[] = {
287 EXTRA_VALID_DRAW_BUFFER
,
291 static const int extra_valid_texture_unit
[] = {
292 EXTRA_VALID_TEXTURE_UNIT
,
296 static const int extra_valid_clip_distance
[] = {
297 EXTRA_VALID_CLIP_DISTANCE
,
301 static const int extra_flush_current_valid_texture_unit
[] = {
303 EXTRA_VALID_TEXTURE_UNIT
,
307 static const int extra_flush_current
[] = {
312 static const int extra_EXT_texture_integer_and_new_buffers
[] = {
313 EXT(EXT_texture_integer
),
318 static const int extra_GLSL_130_es3
[] = {
324 static const int extra_texture_buffer_object
[] = {
325 EXT(ARB_texture_buffer_object
),
329 static const int extra_ARB_transform_feedback2_api_es3
[] = {
330 EXT(ARB_transform_feedback2
),
335 static const int extra_ARB_uniform_buffer_object_and_geometry_shader
[] = {
340 static const int extra_ARB_ES2_compatibility_api_es2
[] = {
341 EXT(ARB_ES2_compatibility
),
346 static const int extra_ARB_ES3_compatibility_api_es3
[] = {
347 EXT(ARB_ES3_compatibility
),
352 static const int extra_EXT_framebuffer_sRGB_and_new_buffers
[] = {
353 EXT(EXT_framebuffer_sRGB
),
358 static const int extra_EXT_packed_float
[] = {
359 EXT(EXT_packed_float
),
364 static const int extra_EXT_texture_array_es3
[] = {
365 EXT(EXT_texture_array
),
370 static const int extra_ARB_shader_atomic_counters_and_geometry_shader
[] = {
371 EXTRA_EXT_ATOMICS_GS
,
375 static const int extra_ARB_shader_image_load_store_and_geometry_shader
[] = {
376 EXTRA_EXT_SHADER_IMAGE_GS
,
380 static const int extra_ARB_shader_atomic_counters_and_tessellation
[] = {
381 EXTRA_EXT_ATOMICS_TESS
,
385 static const int extra_ARB_shader_image_load_store_and_tessellation
[] = {
386 EXTRA_EXT_SHADER_IMAGE_TESS
,
390 /* HACK: remove when ARB_compute_shader is actually supported */
391 static const int extra_ARB_compute_shader_es31
[] = {
392 EXT(ARB_compute_shader
),
397 static const int extra_ARB_shader_storage_buffer_object_es31
[] = {
398 EXT(ARB_shader_storage_buffer_object
),
403 static const int extra_ARB_shader_storage_buffer_object_and_geometry_shader
[] = {
408 static const int extra_ARB_shader_image_load_store_shader_storage_buffer_object_es31
[] = {
409 EXT(ARB_shader_image_load_store
),
410 EXT(ARB_shader_storage_buffer_object
),
415 static const int extra_ARB_framebuffer_no_attachments_and_geometry_shader
[] = {
416 EXTRA_EXT_FB_NO_ATTACH_GS
,
420 static const int extra_ARB_viewport_array_or_oes_geometry_shader
[] = {
421 EXT(ARB_viewport_array
),
426 static const int extra_ARB_viewport_array_or_oes_viewport_array
[] = {
427 EXT(ARB_viewport_array
),
428 EXT(OES_viewport_array
),
432 static const int extra_ARB_gpu_shader5_or_oes_geometry_shader
[] = {
433 EXT(ARB_gpu_shader5
),
438 static const int extra_ARB_gpu_shader5_or_OES_sample_variables
[] = {
439 EXT(ARB_gpu_shader5
),
440 EXT(OES_sample_variables
),
444 static const int extra_ES32
[] = {
445 EXT(ARB_ES3_2_compatibility
),
450 static const int extra_KHR_robustness_or_GL
[] = {
457 static const int extra_INTEL_conservative_rasterization
[] = {
458 EXT(INTEL_conservative_rasterization
),
462 EXTRA_EXT(ARB_texture_cube_map
);
463 EXTRA_EXT(EXT_texture_array
);
464 EXTRA_EXT(NV_fog_distance
);
465 EXTRA_EXT(EXT_texture_filter_anisotropic
);
466 EXTRA_EXT(NV_point_sprite
);
467 EXTRA_EXT(NV_texture_rectangle
);
468 EXTRA_EXT(EXT_stencil_two_side
);
469 EXTRA_EXT(EXT_depth_bounds_test
);
470 EXTRA_EXT(ARB_depth_clamp
);
471 EXTRA_EXT(AMD_depth_clamp_separate
);
472 EXTRA_EXT(ATI_fragment_shader
);
473 EXTRA_EXT(EXT_provoking_vertex
);
474 EXTRA_EXT(ARB_fragment_shader
);
475 EXTRA_EXT(ARB_fragment_program
);
476 EXTRA_EXT2(ARB_framebuffer_object
, EXT_framebuffer_multisample
);
477 EXTRA_EXT(ARB_seamless_cube_map
);
479 EXTRA_EXT(ARB_vertex_shader
);
480 EXTRA_EXT(EXT_transform_feedback
);
481 EXTRA_EXT(ARB_transform_feedback3
);
482 EXTRA_EXT(EXT_pixel_buffer_object
);
483 EXTRA_EXT(ARB_vertex_program
);
484 EXTRA_EXT2(NV_point_sprite
, ARB_point_sprite
);
485 EXTRA_EXT2(ARB_vertex_program
, ARB_fragment_program
);
486 EXTRA_EXT(ARB_color_buffer_float
);
487 EXTRA_EXT(EXT_framebuffer_sRGB
);
488 EXTRA_EXT(OES_EGL_image_external
);
489 EXTRA_EXT(ARB_blend_func_extended
);
490 EXTRA_EXT(ARB_uniform_buffer_object
);
491 EXTRA_EXT(ARB_timer_query
);
492 EXTRA_EXT2(ARB_texture_cube_map_array
, OES_texture_cube_map_array
);
493 EXTRA_EXT(ARB_texture_buffer_range
);
494 EXTRA_EXT(ARB_texture_multisample
);
495 EXTRA_EXT(ARB_texture_gather
);
496 EXTRA_EXT(ARB_shader_atomic_counters
);
497 EXTRA_EXT(ARB_draw_indirect
);
498 EXTRA_EXT(ARB_shader_image_load_store
);
499 EXTRA_EXT(ARB_query_buffer_object
);
500 EXTRA_EXT2(ARB_transform_feedback3
, ARB_gpu_shader5
);
501 EXTRA_EXT(INTEL_performance_query
);
502 EXTRA_EXT(ARB_explicit_uniform_location
);
503 EXTRA_EXT(ARB_clip_control
);
504 EXTRA_EXT(ARB_polygon_offset_clamp
);
505 EXTRA_EXT(ARB_framebuffer_no_attachments
);
506 EXTRA_EXT(ARB_tessellation_shader
);
507 EXTRA_EXT(ARB_shader_storage_buffer_object
);
508 EXTRA_EXT(ARB_indirect_parameters
);
509 EXTRA_EXT(ATI_meminfo
);
510 EXTRA_EXT(NVX_gpu_memory_info
);
511 EXTRA_EXT(ARB_cull_distance
);
512 EXTRA_EXT(EXT_window_rectangles
);
513 EXTRA_EXT(KHR_blend_equation_advanced_coherent
);
514 EXTRA_EXT(OES_primitive_bounding_box
);
515 EXTRA_EXT(ARB_compute_variable_group_size
);
516 EXTRA_EXT(KHR_robustness
);
517 EXTRA_EXT(ARB_sparse_buffer
);
518 EXTRA_EXT(NV_conservative_raster
);
519 EXTRA_EXT(NV_conservative_raster_dilate
);
520 EXTRA_EXT(NV_conservative_raster_pre_snap_triangles
);
521 EXTRA_EXT(ARB_sample_locations
);
522 EXTRA_EXT(AMD_framebuffer_multisample_advanced
);
525 extra_ARB_color_buffer_float_or_glcore
[] = {
526 EXT(ARB_color_buffer_float
),
532 extra_NV_primitive_restart
[] = {
533 EXT(NV_primitive_restart
),
537 static const int extra_version_30
[] = { EXTRA_VERSION_30
, EXTRA_END
};
538 static const int extra_version_31
[] = { EXTRA_VERSION_31
, EXTRA_END
};
539 static const int extra_version_32
[] = { EXTRA_VERSION_32
, EXTRA_END
};
540 static const int extra_version_43
[] = { EXTRA_VERSION_43
, EXTRA_END
};
542 static const int extra_gl30_es3
[] = {
548 static const int extra_gl32_es3
[] = {
554 static const int extra_version_32_OES_geometry_shader
[] = {
560 static const int extra_gl40_ARB_sample_shading
[] = {
562 EXT(ARB_sample_shading
),
567 extra_ARB_vertex_program_api_es2
[] = {
568 EXT(ARB_vertex_program
),
573 /* The ReadBuffer get token is valid under either full GL or under
574 * GLES2 if the NV_read_buffer extension is available. */
576 extra_NV_read_buffer_api_gl
[] = {
582 static const int extra_core_ARB_color_buffer_float_and_new_buffers
[] = {
584 EXT(ARB_color_buffer_float
),
589 static const int extra_EXT_shader_framebuffer_fetch
[] = {
592 EXT(EXT_shader_framebuffer_fetch
),
596 static const int extra_EXT_provoking_vertex_32
[] = {
597 EXTRA_EXT_PROVOKING_VERTEX_32
,
601 static const int extra_EXT_disjoint_timer_query
[] = {
604 EXT(EXT_disjoint_timer_query
),
609 /* This is the big table describing all the enums we accept in
610 * glGet*v(). The table is partitioned into six parts: enums
611 * understood by all GL APIs (OpenGL, GLES and GLES2), enums shared
612 * between OpenGL and GLES, enums exclusive to GLES, etc for the
613 * remaining combinations. To look up the enums valid in a given API
614 * we will use a hash table specific to that API. These tables are in
615 * turn generated at build time and included through get_hash.h.
618 #include "get_hash.h"
620 /* All we need now is a way to look up the value struct from the enum.
621 * The code generated by gcc for the old generated big switch
622 * statement is a big, balanced, open coded if/else tree, essentially
623 * an unrolled binary search. It would be natural to sort the new
624 * enum table and use bsearch(), but we will use a read-only hash
625 * table instead. bsearch() has a nice guaranteed worst case
626 * performance, but we're also guaranteed to hit that worst case
627 * (log2(n) iterations) for about half the enums. Instead, using an
628 * open addressing hash table, we can find the enum on the first try
629 * for 80% of the enums, 1 collision for 10% and never more than 5
630 * collisions for any enum (typical numbers). And the code is very
631 * simple, even though it feels a little magic. */
634 * Handle irregular enums
636 * Some values don't conform to the "well-known type at context
637 * pointer + offset" pattern, so we have this function to catch all
638 * the corner cases. Typically, it's a computed value or a one-off
639 * pointer to a custom struct or something.
641 * In this case we can't return a pointer to the value, so we'll have
642 * to use the temporary variable 'v' declared back in the calling
643 * glGet*v() function to store the result.
645 * \param ctx the current context
646 * \param d the struct value_desc that describes the enum
647 * \param v pointer to the tmp declared in the calling glGet*v() function
650 find_custom_value(struct gl_context
*ctx
, const struct value_desc
*d
, union value
*v
)
652 struct gl_buffer_object
**buffer_obj
;
653 struct gl_array_attributes
*array
;
657 case GL_MAJOR_VERSION
:
658 v
->value_int
= ctx
->Version
/ 10;
660 case GL_MINOR_VERSION
:
661 v
->value_int
= ctx
->Version
% 10;
667 case GL_TEXTURE_CUBE_MAP
:
668 case GL_TEXTURE_RECTANGLE_NV
:
669 case GL_TEXTURE_EXTERNAL_OES
:
670 v
->value_bool
= _mesa_IsEnabled(d
->pname
);
673 case GL_LINE_STIPPLE_PATTERN
:
674 /* This is the only GLushort, special case it here by promoting
675 * to an int rather than introducing a new type. */
676 v
->value_int
= ctx
->Line
.StipplePattern
;
679 case GL_CURRENT_RASTER_TEXTURE_COORDS
:
680 unit
= ctx
->Texture
.CurrentUnit
;
681 v
->value_float_4
[0] = ctx
->Current
.RasterTexCoords
[unit
][0];
682 v
->value_float_4
[1] = ctx
->Current
.RasterTexCoords
[unit
][1];
683 v
->value_float_4
[2] = ctx
->Current
.RasterTexCoords
[unit
][2];
684 v
->value_float_4
[3] = ctx
->Current
.RasterTexCoords
[unit
][3];
687 case GL_CURRENT_TEXTURE_COORDS
:
688 unit
= ctx
->Texture
.CurrentUnit
;
689 v
->value_float_4
[0] = ctx
->Current
.Attrib
[VERT_ATTRIB_TEX0
+ unit
][0];
690 v
->value_float_4
[1] = ctx
->Current
.Attrib
[VERT_ATTRIB_TEX0
+ unit
][1];
691 v
->value_float_4
[2] = ctx
->Current
.Attrib
[VERT_ATTRIB_TEX0
+ unit
][2];
692 v
->value_float_4
[3] = ctx
->Current
.Attrib
[VERT_ATTRIB_TEX0
+ unit
][3];
695 case GL_COLOR_WRITEMASK
:
696 v
->value_int_4
[0] = GET_COLORMASK_BIT(ctx
->Color
.ColorMask
, 0, 0);
697 v
->value_int_4
[1] = GET_COLORMASK_BIT(ctx
->Color
.ColorMask
, 0, 1);
698 v
->value_int_4
[2] = GET_COLORMASK_BIT(ctx
->Color
.ColorMask
, 0, 2);
699 v
->value_int_4
[3] = GET_COLORMASK_BIT(ctx
->Color
.ColorMask
, 0, 3);
703 v
->value_bool
= ctx
->Transform
.DepthClampNear
|| ctx
->Transform
.DepthClampFar
;
707 v
->value_bool
= ctx
->Current
.Attrib
[VERT_ATTRIB_EDGEFLAG
][0] == 1.0F
;
711 v
->value_enum
= ctx
->ReadBuffer
->ColorReadBuffer
;
714 case GL_MAP2_GRID_DOMAIN
:
715 v
->value_float_4
[0] = ctx
->Eval
.MapGrid2u1
;
716 v
->value_float_4
[1] = ctx
->Eval
.MapGrid2u2
;
717 v
->value_float_4
[2] = ctx
->Eval
.MapGrid2v1
;
718 v
->value_float_4
[3] = ctx
->Eval
.MapGrid2v2
;
721 case GL_TEXTURE_STACK_DEPTH
:
722 unit
= ctx
->Texture
.CurrentUnit
;
723 v
->value_int
= ctx
->TextureMatrixStack
[unit
].Depth
+ 1;
725 case GL_TEXTURE_MATRIX
:
726 unit
= ctx
->Texture
.CurrentUnit
;
727 v
->value_matrix
= ctx
->TextureMatrixStack
[unit
].Top
;
730 case GL_TEXTURE_COORD_ARRAY
:
731 case GL_TEXTURE_COORD_ARRAY_SIZE
:
732 case GL_TEXTURE_COORD_ARRAY_TYPE
:
733 case GL_TEXTURE_COORD_ARRAY_STRIDE
:
734 array
= &ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_TEX(ctx
->Array
.ActiveTexture
)];
735 v
->value_int
= *(GLuint
*) ((char *) array
+ d
->offset
);
738 case GL_ACTIVE_TEXTURE_ARB
:
739 v
->value_int
= GL_TEXTURE0_ARB
+ ctx
->Texture
.CurrentUnit
;
741 case GL_CLIENT_ACTIVE_TEXTURE_ARB
:
742 v
->value_int
= GL_TEXTURE0_ARB
+ ctx
->Array
.ActiveTexture
;
745 case GL_MODELVIEW_STACK_DEPTH
:
746 case GL_PROJECTION_STACK_DEPTH
:
747 v
->value_int
= *(GLint
*) ((char *) ctx
+ d
->offset
) + 1;
750 case GL_MAX_TEXTURE_SIZE
:
751 case GL_MAX_3D_TEXTURE_SIZE
:
752 case GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB
:
753 p
= (GLuint
*) ((char *) ctx
+ d
->offset
);
754 v
->value_int
= 1 << (*p
- 1);
758 v
->value_int_4
[0] = ctx
->Scissor
.ScissorArray
[0].X
;
759 v
->value_int_4
[1] = ctx
->Scissor
.ScissorArray
[0].Y
;
760 v
->value_int_4
[2] = ctx
->Scissor
.ScissorArray
[0].Width
;
761 v
->value_int_4
[3] = ctx
->Scissor
.ScissorArray
[0].Height
;
764 case GL_SCISSOR_TEST
:
765 v
->value_bool
= ctx
->Scissor
.EnableFlags
& 1;
770 ctx
->ListState
.CurrentList
? ctx
->ListState
.CurrentList
->Name
: 0;
773 if (!ctx
->CompileFlag
)
775 else if (ctx
->ExecuteFlag
)
776 v
->value_enum
= GL_COMPILE_AND_EXECUTE
;
778 v
->value_enum
= GL_COMPILE
;
782 v
->value_float_4
[0] = ctx
->ViewportArray
[0].X
;
783 v
->value_float_4
[1] = ctx
->ViewportArray
[0].Y
;
784 v
->value_float_4
[2] = ctx
->ViewportArray
[0].Width
;
785 v
->value_float_4
[3] = ctx
->ViewportArray
[0].Height
;
789 v
->value_double_2
[0] = ctx
->ViewportArray
[0].Near
;
790 v
->value_double_2
[1] = ctx
->ViewportArray
[0].Far
;
793 case GL_ACTIVE_STENCIL_FACE_EXT
:
794 v
->value_enum
= ctx
->Stencil
.ActiveFace
? GL_BACK
: GL_FRONT
;
797 case GL_STENCIL_FAIL
:
798 v
->value_enum
= ctx
->Stencil
.FailFunc
[ctx
->Stencil
.ActiveFace
];
800 case GL_STENCIL_FUNC
:
801 v
->value_enum
= ctx
->Stencil
.Function
[ctx
->Stencil
.ActiveFace
];
803 case GL_STENCIL_PASS_DEPTH_FAIL
:
804 v
->value_enum
= ctx
->Stencil
.ZFailFunc
[ctx
->Stencil
.ActiveFace
];
806 case GL_STENCIL_PASS_DEPTH_PASS
:
807 v
->value_enum
= ctx
->Stencil
.ZPassFunc
[ctx
->Stencil
.ActiveFace
];
810 v
->value_int
= _mesa_get_stencil_ref(ctx
, ctx
->Stencil
.ActiveFace
);
812 case GL_STENCIL_BACK_REF
:
813 v
->value_int
= _mesa_get_stencil_ref(ctx
, 1);
815 case GL_STENCIL_VALUE_MASK
:
816 v
->value_int
= ctx
->Stencil
.ValueMask
[ctx
->Stencil
.ActiveFace
];
818 case GL_STENCIL_WRITEMASK
:
819 v
->value_int
= ctx
->Stencil
.WriteMask
[ctx
->Stencil
.ActiveFace
];
822 case GL_NUM_EXTENSIONS
:
823 v
->value_int
= _mesa_get_extension_count(ctx
);
826 case GL_IMPLEMENTATION_COLOR_READ_TYPE_OES
:
827 v
->value_int
= _mesa_get_color_read_type(ctx
, NULL
, "glGetIntegerv");
829 case GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES
:
830 v
->value_int
= _mesa_get_color_read_format(ctx
, NULL
, "glGetIntegerv");
833 case GL_CURRENT_MATRIX_STACK_DEPTH_ARB
:
834 v
->value_int
= ctx
->CurrentStack
->Depth
+ 1;
836 case GL_CURRENT_MATRIX_ARB
:
837 case GL_TRANSPOSE_CURRENT_MATRIX_ARB
:
838 v
->value_matrix
= ctx
->CurrentStack
->Top
;
841 case GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB
:
842 v
->value_int
= _mesa_get_compressed_formats(ctx
, NULL
);
844 case GL_COMPRESSED_TEXTURE_FORMATS_ARB
:
846 _mesa_get_compressed_formats(ctx
, v
->value_int_n
.ints
);
847 assert(v
->value_int_n
.n
<= (int) ARRAY_SIZE(v
->value_int_n
.ints
));
850 case GL_MAX_VARYING_FLOATS_ARB
:
851 v
->value_int
= ctx
->Const
.MaxVarying
* 4;
854 /* Various object names */
856 case GL_TEXTURE_BINDING_1D
:
857 case GL_TEXTURE_BINDING_2D
:
858 case GL_TEXTURE_BINDING_3D
:
859 case GL_TEXTURE_BINDING_1D_ARRAY_EXT
:
860 case GL_TEXTURE_BINDING_2D_ARRAY_EXT
:
861 case GL_TEXTURE_BINDING_CUBE_MAP_ARB
:
862 case GL_TEXTURE_BINDING_RECTANGLE_NV
:
863 case GL_TEXTURE_BINDING_EXTERNAL_OES
:
864 case GL_TEXTURE_BINDING_CUBE_MAP_ARRAY
:
865 case GL_TEXTURE_BINDING_2D_MULTISAMPLE
:
866 case GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY
:
867 unit
= ctx
->Texture
.CurrentUnit
;
869 ctx
->Texture
.Unit
[unit
].CurrentTex
[d
->offset
]->Name
;
872 /* GL_EXT_external_objects */
873 case GL_DRIVER_UUID_EXT
:
874 _mesa_get_driver_uuid(ctx
, v
->value_int_4
);
876 case GL_DEVICE_UUID_EXT
:
877 _mesa_get_device_uuid(ctx
, v
->value_int_4
);
880 /* GL_EXT_packed_float */
881 case GL_RGBA_SIGNED_COMPONENTS_EXT
:
883 /* Note: we only check the 0th color attachment. */
884 const struct gl_renderbuffer
*rb
=
885 ctx
->DrawBuffer
->_ColorDrawBuffers
[0];
886 if (rb
&& _mesa_is_format_signed(rb
->Format
)) {
887 /* Issue 17 of GL_EXT_packed_float: If a component (such as
888 * alpha) has zero bits, the component should not be considered
889 * signed and so the bit for the respective component should be
893 _mesa_get_format_bits(rb
->Format
, GL_RED_BITS
);
895 _mesa_get_format_bits(rb
->Format
, GL_GREEN_BITS
);
897 _mesa_get_format_bits(rb
->Format
, GL_BLUE_BITS
);
899 _mesa_get_format_bits(rb
->Format
, GL_ALPHA_BITS
);
901 _mesa_get_format_bits(rb
->Format
, GL_TEXTURE_LUMINANCE_SIZE
);
903 _mesa_get_format_bits(rb
->Format
, GL_TEXTURE_INTENSITY_SIZE
);
905 v
->value_int_4
[0] = r_bits
+ l_bits
+ i_bits
> 0;
906 v
->value_int_4
[1] = g_bits
+ l_bits
+ i_bits
> 0;
907 v
->value_int_4
[2] = b_bits
+ l_bits
+ i_bits
> 0;
908 v
->value_int_4
[3] = a_bits
+ i_bits
> 0;
914 v
->value_int_4
[3] = 0;
919 /* GL_ARB_vertex_buffer_object */
920 case GL_VERTEX_ARRAY_BUFFER_BINDING_ARB
:
921 case GL_NORMAL_ARRAY_BUFFER_BINDING_ARB
:
922 case GL_COLOR_ARRAY_BUFFER_BINDING_ARB
:
923 case GL_INDEX_ARRAY_BUFFER_BINDING_ARB
:
924 case GL_EDGE_FLAG_ARRAY_BUFFER_BINDING_ARB
:
925 case GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING_ARB
:
926 case GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING_ARB
:
927 buffer_obj
= (struct gl_buffer_object
**)
928 ((char *) ctx
->Array
.VAO
+ d
->offset
);
929 v
->value_int
= (*buffer_obj
)->Name
;
931 case GL_ARRAY_BUFFER_BINDING_ARB
:
932 v
->value_int
= ctx
->Array
.ArrayBufferObj
->Name
;
934 case GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING_ARB
:
936 ctx
->Array
.VAO
->BufferBinding
[VERT_ATTRIB_TEX(ctx
->Array
.ActiveTexture
)].BufferObj
->Name
;
938 case GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB
:
939 v
->value_int
= ctx
->Array
.VAO
->IndexBufferObj
->Name
;
942 /* ARB_vertex_array_bgra */
943 case GL_COLOR_ARRAY_SIZE
:
944 array
= &ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_COLOR0
];
945 v
->value_int
= array
->Format
== GL_BGRA
? GL_BGRA
: array
->Size
;
947 case GL_SECONDARY_COLOR_ARRAY_SIZE
:
948 array
= &ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_COLOR1
];
949 v
->value_int
= array
->Format
== GL_BGRA
? GL_BGRA
: array
->Size
;
952 /* ARB_copy_buffer */
953 case GL_COPY_READ_BUFFER
:
954 v
->value_int
= ctx
->CopyReadBuffer
->Name
;
956 case GL_COPY_WRITE_BUFFER
:
957 v
->value_int
= ctx
->CopyWriteBuffer
->Name
;
960 case GL_PIXEL_PACK_BUFFER_BINDING_EXT
:
961 v
->value_int
= ctx
->Pack
.BufferObj
->Name
;
963 case GL_PIXEL_UNPACK_BUFFER_BINDING_EXT
:
964 v
->value_int
= ctx
->Unpack
.BufferObj
->Name
;
966 case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING
:
967 v
->value_int
= ctx
->TransformFeedback
.CurrentBuffer
->Name
;
969 case GL_TRANSFORM_FEEDBACK_BUFFER_PAUSED
:
970 v
->value_int
= ctx
->TransformFeedback
.CurrentObject
->Paused
;
972 case GL_TRANSFORM_FEEDBACK_BUFFER_ACTIVE
:
973 v
->value_int
= ctx
->TransformFeedback
.CurrentObject
->Active
;
975 case GL_TRANSFORM_FEEDBACK_BINDING
:
976 v
->value_int
= ctx
->TransformFeedback
.CurrentObject
->Name
;
978 case GL_CURRENT_PROGRAM
:
979 /* The Changelog of the ARB_separate_shader_objects spec says:
981 * 24 25 Jul 2011 pbrown Remove the language erroneously deleting
982 * CURRENT_PROGRAM. In the EXT extension, this
983 * token was aliased to ACTIVE_PROGRAM_EXT, and
984 * was used to indicate the last program set by
985 * either ActiveProgramEXT or UseProgram. In
986 * the ARB extension, the SSO active programs
987 * are now program pipeline object state and
988 * CURRENT_PROGRAM should still be used to query
989 * the last program set by UseProgram (bug 7822).
992 ctx
->Shader
.ActiveProgram
? ctx
->Shader
.ActiveProgram
->Name
: 0;
994 case GL_READ_FRAMEBUFFER_BINDING_EXT
:
995 v
->value_int
= ctx
->ReadBuffer
->Name
;
997 case GL_RENDERBUFFER_BINDING_EXT
:
999 ctx
->CurrentRenderbuffer
? ctx
->CurrentRenderbuffer
->Name
: 0;
1001 case GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES
:
1002 v
->value_int
= ctx
->Array
.VAO
->BufferBinding
[VERT_ATTRIB_POINT_SIZE
].BufferObj
->Name
;
1006 if (_mesa_get_clamp_fragment_color(ctx
, ctx
->DrawBuffer
))
1007 COPY_4FV(v
->value_float_4
, ctx
->Fog
.Color
);
1009 COPY_4FV(v
->value_float_4
, ctx
->Fog
.ColorUnclamped
);
1011 case GL_COLOR_CLEAR_VALUE
:
1012 if (_mesa_get_clamp_fragment_color(ctx
, ctx
->DrawBuffer
)) {
1013 v
->value_float_4
[0] = CLAMP(ctx
->Color
.ClearColor
.f
[0], 0.0F
, 1.0F
);
1014 v
->value_float_4
[1] = CLAMP(ctx
->Color
.ClearColor
.f
[1], 0.0F
, 1.0F
);
1015 v
->value_float_4
[2] = CLAMP(ctx
->Color
.ClearColor
.f
[2], 0.0F
, 1.0F
);
1016 v
->value_float_4
[3] = CLAMP(ctx
->Color
.ClearColor
.f
[3], 0.0F
, 1.0F
);
1018 COPY_4FV(v
->value_float_4
, ctx
->Color
.ClearColor
.f
);
1020 case GL_BLEND_COLOR_EXT
:
1021 if (_mesa_get_clamp_fragment_color(ctx
, ctx
->DrawBuffer
))
1022 COPY_4FV(v
->value_float_4
, ctx
->Color
.BlendColor
);
1024 COPY_4FV(v
->value_float_4
, ctx
->Color
.BlendColorUnclamped
);
1026 case GL_ALPHA_TEST_REF
:
1027 if (_mesa_get_clamp_fragment_color(ctx
, ctx
->DrawBuffer
))
1028 v
->value_float
= ctx
->Color
.AlphaRef
;
1030 v
->value_float
= ctx
->Color
.AlphaRefUnclamped
;
1032 case GL_MAX_VERTEX_UNIFORM_VECTORS
:
1033 v
->value_int
= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxUniformComponents
/ 4;
1036 case GL_MAX_FRAGMENT_UNIFORM_VECTORS
:
1037 v
->value_int
= ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxUniformComponents
/ 4;
1040 /* GL_ARB_texture_buffer_object */
1041 case GL_TEXTURE_BUFFER_ARB
:
1042 v
->value_int
= ctx
->Texture
.BufferObject
->Name
;
1044 case GL_TEXTURE_BINDING_BUFFER_ARB
:
1045 unit
= ctx
->Texture
.CurrentUnit
;
1047 ctx
->Texture
.Unit
[unit
].CurrentTex
[TEXTURE_BUFFER_INDEX
]->Name
;
1049 case GL_TEXTURE_BUFFER_DATA_STORE_BINDING_ARB
:
1051 struct gl_buffer_object
*buf
=
1052 ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
]
1053 .CurrentTex
[TEXTURE_BUFFER_INDEX
]->BufferObject
;
1054 v
->value_int
= buf
? buf
->Name
: 0;
1057 case GL_TEXTURE_BUFFER_FORMAT_ARB
:
1058 v
->value_int
= ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
]
1059 .CurrentTex
[TEXTURE_BUFFER_INDEX
]->BufferObjectFormat
;
1062 /* GL_ARB_sampler_objects */
1063 case GL_SAMPLER_BINDING
:
1065 struct gl_sampler_object
*samp
=
1066 ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
].Sampler
;
1067 v
->value_int
= samp
? samp
->Name
: 0;
1070 /* GL_ARB_uniform_buffer_object */
1071 case GL_UNIFORM_BUFFER_BINDING
:
1072 v
->value_int
= ctx
->UniformBuffer
->Name
;
1074 /* GL_ARB_shader_storage_buffer_object */
1075 case GL_SHADER_STORAGE_BUFFER_BINDING
:
1076 v
->value_int
= ctx
->ShaderStorageBuffer
->Name
;
1078 /* GL_ARB_query_buffer_object */
1079 case GL_QUERY_BUFFER_BINDING
:
1080 v
->value_int
= ctx
->QueryBuffer
->Name
;
1082 /* GL_ARB_timer_query */
1084 if (ctx
->Driver
.GetTimestamp
) {
1085 v
->value_int64
= ctx
->Driver
.GetTimestamp(ctx
);
1088 _mesa_problem(ctx
, "driver doesn't implement GetTimestamp");
1092 case GL_DEBUG_OUTPUT
:
1093 case GL_DEBUG_OUTPUT_SYNCHRONOUS
:
1094 case GL_DEBUG_LOGGED_MESSAGES
:
1095 case GL_DEBUG_NEXT_LOGGED_MESSAGE_LENGTH
:
1096 case GL_DEBUG_GROUP_STACK_DEPTH
:
1097 v
->value_int
= _mesa_get_debug_state_int(ctx
, d
->pname
);
1099 /* GL_ARB_shader_atomic_counters */
1100 case GL_ATOMIC_COUNTER_BUFFER_BINDING
:
1101 if (ctx
->AtomicBuffer
) {
1102 v
->value_int
= ctx
->AtomicBuffer
->Name
;
1108 case GL_NUM_SHADING_LANGUAGE_VERSIONS
:
1109 v
->value_int
= _mesa_get_shading_language_version(ctx
, -1, NULL
);
1111 /* GL_ARB_draw_indirect */
1112 case GL_DRAW_INDIRECT_BUFFER_BINDING
:
1113 v
->value_int
= ctx
->DrawIndirectBuffer
->Name
;
1115 /* GL_ARB_indirect_parameters */
1116 case GL_PARAMETER_BUFFER_BINDING_ARB
:
1117 v
->value_int
= ctx
->ParameterBuffer
->Name
;
1119 /* GL_ARB_separate_shader_objects */
1120 case GL_PROGRAM_PIPELINE_BINDING
:
1121 if (ctx
->Pipeline
.Current
) {
1122 v
->value_int
= ctx
->Pipeline
.Current
->Name
;
1127 /* GL_ARB_compute_shader */
1128 case GL_DISPATCH_INDIRECT_BUFFER_BINDING
:
1129 v
->value_int
= ctx
->DispatchIndirectBuffer
->Name
;
1131 /* GL_ARB_multisample */
1133 v
->value_int
= _mesa_geometric_samples(ctx
->DrawBuffer
);
1135 case GL_SAMPLE_BUFFERS
:
1136 v
->value_int
= _mesa_geometric_samples(ctx
->DrawBuffer
) > 0;
1138 /* GL_EXT_textrue_integer */
1139 case GL_RGBA_INTEGER_MODE_EXT
:
1140 v
->value_int
= (ctx
->DrawBuffer
->_IntegerBuffers
!= 0);
1142 /* GL_ATI_meminfo & GL_NVX_gpu_memory_info */
1143 case GL_VBO_FREE_MEMORY_ATI
:
1144 case GL_TEXTURE_FREE_MEMORY_ATI
:
1145 case GL_RENDERBUFFER_FREE_MEMORY_ATI
:
1146 case GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX
:
1147 case GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX
:
1148 case GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX
:
1149 case GL_GPU_MEMORY_INFO_EVICTION_COUNT_NVX
:
1150 case GL_GPU_MEMORY_INFO_EVICTED_MEMORY_NVX
:
1152 struct gl_memory_info info
;
1154 ctx
->Driver
.QueryMemoryInfo(ctx
, &info
);
1156 if (d
->pname
== GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX
)
1157 v
->value_int
= info
.total_device_memory
;
1158 else if (d
->pname
== GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX
)
1159 v
->value_int
= info
.total_device_memory
+
1160 info
.total_staging_memory
;
1161 else if (d
->pname
== GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX
)
1162 v
->value_int
= info
.avail_device_memory
;
1163 else if (d
->pname
== GL_GPU_MEMORY_INFO_EVICTION_COUNT_NVX
)
1164 v
->value_int
= info
.nr_device_memory_evictions
;
1165 else if (d
->pname
== GL_GPU_MEMORY_INFO_EVICTED_MEMORY_NVX
)
1166 v
->value_int
= info
.device_memory_evicted
;
1168 /* ATI free memory enums.
1170 * Since the GPU memory is (usually) page-table based, every two
1171 * consecutive elements are equal. From the GL_ATI_meminfo
1174 * "param[0] - total memory free in the pool
1175 * param[1] - largest available free block in the pool
1176 * param[2] - total auxiliary memory free
1177 * param[3] - largest auxiliary free block"
1179 * All three (VBO, TEXTURE, RENDERBUFFER) queries return
1180 * the same numbers here.
1182 v
->value_int_4
[0] = info
.avail_device_memory
;
1183 v
->value_int_4
[1] = info
.avail_device_memory
;
1184 v
->value_int_4
[2] = info
.avail_staging_memory
;
1185 v
->value_int_4
[3] = info
.avail_staging_memory
;
1190 /* GL_ARB_get_program_binary */
1191 case GL_PROGRAM_BINARY_FORMATS
:
1192 assert(ctx
->Const
.NumProgramBinaryFormats
<= 1);
1193 v
->value_int_n
.n
= MIN2(ctx
->Const
.NumProgramBinaryFormats
, 1);
1194 if (ctx
->Const
.NumProgramBinaryFormats
> 0) {
1195 v
->value_int_n
.ints
[0] = GL_PROGRAM_BINARY_FORMAT_MESA
;
1198 /* GL_EXT_disjoint_timer_query */
1199 case GL_GPU_DISJOINT_EXT
:
1201 simple_mtx_lock(&ctx
->Shared
->Mutex
);
1202 v
->value_int
= ctx
->Shared
->DisjointOperation
;
1203 /* Reset state as expected by the spec. */
1204 ctx
->Shared
->DisjointOperation
= false;
1205 simple_mtx_unlock(&ctx
->Shared
->Mutex
);
1208 /* GL_ARB_sample_locations */
1209 case GL_SAMPLE_LOCATION_SUBPIXEL_BITS_ARB
:
1210 case GL_SAMPLE_LOCATION_PIXEL_GRID_WIDTH_ARB
:
1211 case GL_SAMPLE_LOCATION_PIXEL_GRID_HEIGHT_ARB
:
1213 GLuint bits
, width
, height
;
1215 if (ctx
->NewState
& _NEW_BUFFERS
)
1216 _mesa_update_state(ctx
);
1218 if (ctx
->DrawBuffer
->_Status
!= GL_FRAMEBUFFER_COMPLETE
) {
1223 ctx
->Driver
.GetProgrammableSampleCaps(ctx
, ctx
->DrawBuffer
,
1224 &bits
, &width
, &height
);
1226 if (d
->pname
== GL_SAMPLE_LOCATION_PIXEL_GRID_WIDTH_ARB
)
1227 v
->value_uint
= width
;
1228 else if (d
->pname
== GL_SAMPLE_LOCATION_PIXEL_GRID_HEIGHT_ARB
)
1229 v
->value_uint
= height
;
1231 v
->value_uint
= bits
;
1234 case GL_PROGRAMMABLE_SAMPLE_LOCATION_TABLE_SIZE_ARB
:
1235 v
->value_uint
= MAX_SAMPLE_LOCATION_TABLE_SIZE
;
1238 /* GL_AMD_framebuffer_multisample_advanced */
1239 case GL_SUPPORTED_MULTISAMPLE_MODES_AMD
:
1240 v
->value_int_n
.n
= ctx
->Const
.NumSupportedMultisampleModes
* 3;
1241 memcpy(v
->value_int_n
.ints
, ctx
->Const
.SupportedMultisampleModes
,
1242 v
->value_int_n
.n
* sizeof(GLint
));
1248 * Check extra constraints on a struct value_desc descriptor
1250 * If a struct value_desc has a non-NULL extra pointer, it means that
1251 * there are a number of extra constraints to check or actions to
1252 * perform. The extras is just an integer array where each integer
1253 * encode different constraints or actions.
1255 * \param ctx current context
1256 * \param func name of calling glGet*v() function for error reporting
1257 * \param d the struct value_desc that has the extra constraints
1259 * \return GL_FALSE if all of the constraints were not satisfied,
1260 * otherwise GL_TRUE.
1263 check_extra(struct gl_context
*ctx
, const char *func
, const struct value_desc
*d
)
1265 const GLuint version
= ctx
->Version
;
1266 GLboolean api_check
= GL_FALSE
;
1267 GLboolean api_found
= GL_FALSE
;
1270 for (e
= d
->extra
; *e
!= EXTRA_END
; e
++) {
1272 case EXTRA_VERSION_30
:
1273 api_check
= GL_TRUE
;
1275 api_found
= GL_TRUE
;
1277 case EXTRA_VERSION_31
:
1278 api_check
= GL_TRUE
;
1280 api_found
= GL_TRUE
;
1282 case EXTRA_VERSION_32
:
1283 api_check
= GL_TRUE
;
1285 api_found
= GL_TRUE
;
1287 case EXTRA_VERSION_40
:
1288 api_check
= GL_TRUE
;
1290 api_found
= GL_TRUE
;
1292 case EXTRA_VERSION_43
:
1294 if (_mesa_is_desktop_gl(ctx
) && version
>= 43)
1295 api_found
= GL_TRUE
;
1297 case EXTRA_NEW_FRAG_CLAMP
:
1298 if (ctx
->NewState
& (_NEW_BUFFERS
| _NEW_FRAG_CLAMP
))
1299 _mesa_update_state(ctx
);
1302 api_check
= GL_TRUE
;
1303 if (ctx
->API
== API_OPENGLES2
)
1304 api_found
= GL_TRUE
;
1307 api_check
= GL_TRUE
;
1308 if (_mesa_is_gles3(ctx
))
1309 api_found
= GL_TRUE
;
1311 case EXTRA_API_ES31
:
1312 api_check
= GL_TRUE
;
1313 if (_mesa_is_gles31(ctx
))
1314 api_found
= GL_TRUE
;
1316 case EXTRA_API_ES32
:
1317 api_check
= GL_TRUE
;
1318 if (_mesa_is_gles32(ctx
))
1319 api_found
= GL_TRUE
;
1322 api_check
= GL_TRUE
;
1323 if (_mesa_is_desktop_gl(ctx
))
1324 api_found
= GL_TRUE
;
1326 case EXTRA_API_GL_CORE
:
1327 api_check
= GL_TRUE
;
1328 if (ctx
->API
== API_OPENGL_CORE
)
1329 api_found
= GL_TRUE
;
1331 case EXTRA_NEW_BUFFERS
:
1332 if (ctx
->NewState
& _NEW_BUFFERS
)
1333 _mesa_update_state(ctx
);
1335 case EXTRA_FLUSH_CURRENT
:
1336 FLUSH_CURRENT(ctx
, 0);
1338 case EXTRA_VALID_DRAW_BUFFER
:
1339 if (d
->pname
- GL_DRAW_BUFFER0_ARB
>= ctx
->Const
.MaxDrawBuffers
) {
1340 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(draw buffer %u)",
1341 func
, d
->pname
- GL_DRAW_BUFFER0_ARB
);
1345 case EXTRA_VALID_TEXTURE_UNIT
:
1346 if (ctx
->Texture
.CurrentUnit
>= ctx
->Const
.MaxTextureCoordUnits
) {
1347 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(texture %u)",
1348 func
, ctx
->Texture
.CurrentUnit
);
1352 case EXTRA_VALID_CLIP_DISTANCE
:
1353 if (d
->pname
- GL_CLIP_DISTANCE0
>= ctx
->Const
.MaxClipPlanes
) {
1354 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(clip distance %u)",
1355 func
, d
->pname
- GL_CLIP_DISTANCE0
);
1359 case EXTRA_GLSL_130
:
1360 api_check
= GL_TRUE
;
1361 if (ctx
->Const
.GLSLVersion
>= 130)
1362 api_found
= GL_TRUE
;
1364 case EXTRA_EXT_UBO_GS
:
1365 api_check
= GL_TRUE
;
1366 if (ctx
->Extensions
.ARB_uniform_buffer_object
&&
1367 _mesa_has_geometry_shaders(ctx
))
1368 api_found
= GL_TRUE
;
1370 case EXTRA_EXT_ATOMICS_GS
:
1371 api_check
= GL_TRUE
;
1372 if (ctx
->Extensions
.ARB_shader_atomic_counters
&&
1373 _mesa_has_geometry_shaders(ctx
))
1374 api_found
= GL_TRUE
;
1376 case EXTRA_EXT_SHADER_IMAGE_GS
:
1377 api_check
= GL_TRUE
;
1378 if (ctx
->Extensions
.ARB_shader_image_load_store
&&
1379 _mesa_has_geometry_shaders(ctx
))
1380 api_found
= GL_TRUE
;
1382 case EXTRA_EXT_ATOMICS_TESS
:
1383 api_check
= GL_TRUE
;
1384 api_found
= ctx
->Extensions
.ARB_shader_atomic_counters
&&
1385 _mesa_has_tessellation(ctx
);
1387 case EXTRA_EXT_SHADER_IMAGE_TESS
:
1388 api_check
= GL_TRUE
;
1389 api_found
= ctx
->Extensions
.ARB_shader_image_load_store
&&
1390 _mesa_has_tessellation(ctx
);
1392 case EXTRA_EXT_SSBO_GS
:
1393 api_check
= GL_TRUE
;
1394 if (ctx
->Extensions
.ARB_shader_storage_buffer_object
&&
1395 _mesa_has_geometry_shaders(ctx
))
1396 api_found
= GL_TRUE
;
1398 case EXTRA_EXT_FB_NO_ATTACH_GS
:
1399 api_check
= GL_TRUE
;
1400 if (ctx
->Extensions
.ARB_framebuffer_no_attachments
&&
1401 (_mesa_is_desktop_gl(ctx
) ||
1402 _mesa_has_OES_geometry_shader(ctx
)))
1403 api_found
= GL_TRUE
;
1405 case EXTRA_EXT_ES_GS
:
1406 api_check
= GL_TRUE
;
1407 if (_mesa_has_OES_geometry_shader(ctx
))
1408 api_found
= GL_TRUE
;
1410 case EXTRA_EXT_PROVOKING_VERTEX_32
:
1412 if (ctx
->API
== API_OPENGL_COMPAT
|| version
== 32)
1413 api_found
= ctx
->Extensions
.EXT_provoking_vertex
;
1417 default: /* *e is a offset into the extension struct */
1418 api_check
= GL_TRUE
;
1419 if (*(GLboolean
*) ((char *) &ctx
->Extensions
+ *e
))
1420 api_found
= GL_TRUE
;
1425 if (api_check
&& !api_found
) {
1426 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(pname=%s)", func
,
1427 _mesa_enum_to_string(d
->pname
));
1434 static const struct value_desc error_value
=
1435 { 0, 0, TYPE_INVALID
, NO_OFFSET
, NO_EXTRA
};
1438 * Find the struct value_desc corresponding to the enum 'pname'.
1440 * We hash the enum value to get an index into the 'table' array,
1441 * which holds the index in the 'values' array of struct value_desc.
1442 * Once we've found the entry, we do the extra checks, if any, then
1443 * look up the value and return a pointer to it.
1445 * If the value has to be computed (for example, it's the result of a
1446 * function call or we need to add 1 to it), we use the tmp 'v' to
1449 * \param func name of glGet*v() func for error reporting
1450 * \param pname the enum value we're looking up
1451 * \param p is were we return the pointer to the value
1452 * \param v a tmp union value variable in the calling glGet*v() function
1454 * \return the struct value_desc corresponding to the enum or a struct
1455 * value_desc of TYPE_INVALID if not found. This lets the calling
1456 * glGet*v() function jump right into a switch statement and
1457 * handle errors there instead of having to check for NULL.
1459 static const struct value_desc
*
1460 find_value(const char *func
, GLenum pname
, void **p
, union value
*v
)
1462 GET_CURRENT_CONTEXT(ctx
);
1464 const struct value_desc
*d
;
1468 /* We index into the table_set[] list of per-API hash tables using the API's
1469 * value in the gl_api enum. Since GLES 3 doesn't have an API_OPENGL* enum
1470 * value since it's compatible with GLES2 its entry in table_set[] is at the
1473 STATIC_ASSERT(ARRAY_SIZE(table_set
) == API_OPENGL_LAST
+ 4);
1474 if (ctx
->API
== API_OPENGLES2
) {
1475 if (ctx
->Version
>= 32)
1476 api
= API_OPENGL_LAST
+ 3;
1477 else if (ctx
->Version
>= 31)
1478 api
= API_OPENGL_LAST
+ 2;
1479 else if (ctx
->Version
>= 30)
1480 api
= API_OPENGL_LAST
+ 1;
1482 mask
= ARRAY_SIZE(table(api
)) - 1;
1483 hash
= (pname
* prime_factor
);
1485 int idx
= table(api
)[hash
& mask
];
1487 /* If the enum isn't valid, the hash walk ends with index 0,
1488 * pointing to the first entry of values[] which doesn't hold
1489 * any valid enum. */
1490 if (unlikely(idx
== 0)) {
1491 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(pname=%s)", func
,
1492 _mesa_enum_to_string(pname
));
1493 return &error_value
;
1497 if (likely(d
->pname
== pname
))
1503 if (unlikely(d
->extra
&& !check_extra(ctx
, func
, d
)))
1504 return &error_value
;
1506 switch (d
->location
) {
1508 *p
= ((char *) ctx
->DrawBuffer
+ d
->offset
);
1511 *p
= ((char *) ctx
+ d
->offset
);
1514 *p
= ((char *) ctx
->Array
.VAO
+ d
->offset
);
1517 if (ctx
->Texture
.CurrentUnit
< ARRAY_SIZE(ctx
->Texture
.FixedFuncUnit
)) {
1518 unsigned index
= ctx
->Texture
.CurrentUnit
;
1519 *p
= ((char *)&ctx
->Texture
.FixedFuncUnit
[index
] + d
->offset
);
1523 find_custom_value(ctx
, d
, v
);
1531 /* silence warning */
1532 return &error_value
;
1535 static const int transpose
[] = {
1543 get_value_size(enum value_type type
, const union value
*v
)
1551 return sizeof(GLint
);
1554 return sizeof(GLint
) * 2;
1557 return sizeof(GLint
) * 3;
1560 return sizeof(GLint
) * 4;
1562 return sizeof(GLint
) * v
->value_int_n
.n
;
1564 return sizeof(GLint64
);
1567 return sizeof(GLenum16
);
1569 return sizeof(GLenum
);
1571 return sizeof(GLenum
) * 2;
1573 return sizeof(GLboolean
);
1575 return sizeof(GLubyte
);
1577 return sizeof(GLshort
);
1589 return sizeof(GLfloat
);
1592 return sizeof(GLfloat
) * 2;
1595 return sizeof(GLfloat
) * 3;
1598 return sizeof(GLfloat
) * 4;
1600 return sizeof(GLfloat
) * 8;
1602 return sizeof(GLdouble
);
1603 case TYPE_DOUBLEN_2
:
1604 return sizeof(GLdouble
) * 2;
1606 return sizeof (GLfloat
) * 16;
1608 return sizeof (GLfloat
) * 16;
1615 _mesa_GetBooleanv(GLenum pname
, GLboolean
*params
)
1617 const struct value_desc
*d
;
1623 d
= find_value("glGetBooleanv", pname
, &p
, &v
);
1628 params
[0] = INT_TO_BOOLEAN(d
->offset
);
1632 params
[7] = FLOAT_TO_BOOLEAN(((GLfloat
*) p
)[7]);
1633 params
[6] = FLOAT_TO_BOOLEAN(((GLfloat
*) p
)[6]);
1634 params
[5] = FLOAT_TO_BOOLEAN(((GLfloat
*) p
)[5]);
1635 params
[4] = FLOAT_TO_BOOLEAN(((GLfloat
*) p
)[4]);
1638 params
[3] = FLOAT_TO_BOOLEAN(((GLfloat
*) p
)[3]);
1641 params
[2] = FLOAT_TO_BOOLEAN(((GLfloat
*) p
)[2]);
1644 params
[1] = FLOAT_TO_BOOLEAN(((GLfloat
*) p
)[1]);
1647 params
[0] = FLOAT_TO_BOOLEAN(((GLfloat
*) p
)[0]);
1650 case TYPE_DOUBLEN_2
:
1651 params
[1] = FLOAT_TO_BOOLEAN(((GLdouble
*) p
)[1]);
1653 params
[0] = FLOAT_TO_BOOLEAN(((GLdouble
*) p
)[0]);
1658 params
[3] = INT_TO_BOOLEAN(((GLint
*) p
)[3]);
1661 params
[2] = INT_TO_BOOLEAN(((GLint
*) p
)[2]);
1665 params
[1] = INT_TO_BOOLEAN(((GLint
*) p
)[1]);
1669 params
[0] = INT_TO_BOOLEAN(((GLint
*) p
)[0]);
1673 params
[0] = INT_TO_BOOLEAN(((GLenum16
*) p
)[0]);
1677 for (i
= 0; i
< v
.value_int_n
.n
; i
++)
1678 params
[i
] = INT_TO_BOOLEAN(v
.value_int_n
.ints
[i
]);
1682 params
[0] = INT64_TO_BOOLEAN(((GLint64
*) p
)[0]);
1686 params
[0] = ((GLboolean
*) p
)[0];
1690 params
[0] = INT_TO_BOOLEAN(((GLubyte
*) p
)[0]);
1694 params
[0] = INT_TO_BOOLEAN(((GLshort
*) p
)[0]);
1698 m
= *(GLmatrix
**) p
;
1699 for (i
= 0; i
< 16; i
++)
1700 params
[i
] = FLOAT_TO_BOOLEAN(m
->m
[i
]);
1704 m
= *(GLmatrix
**) p
;
1705 for (i
= 0; i
< 16; i
++)
1706 params
[i
] = FLOAT_TO_BOOLEAN(m
->m
[transpose
[i
]]);
1717 shift
= d
->type
- TYPE_BIT_0
;
1718 params
[0] = (*(GLbitfield
*) p
>> shift
) & 1;
1724 _mesa_GetFloatv(GLenum pname
, GLfloat
*params
)
1726 const struct value_desc
*d
;
1732 d
= find_value("glGetFloatv", pname
, &p
, &v
);
1737 params
[0] = (GLfloat
) d
->offset
;
1741 params
[7] = ((GLfloat
*) p
)[7];
1742 params
[6] = ((GLfloat
*) p
)[6];
1743 params
[5] = ((GLfloat
*) p
)[5];
1744 params
[4] = ((GLfloat
*) p
)[4];
1747 params
[3] = ((GLfloat
*) p
)[3];
1750 params
[2] = ((GLfloat
*) p
)[2];
1753 params
[1] = ((GLfloat
*) p
)[1];
1756 params
[0] = ((GLfloat
*) p
)[0];
1759 case TYPE_DOUBLEN_2
:
1760 params
[1] = (GLfloat
) (((GLdouble
*) p
)[1]);
1762 params
[0] = (GLfloat
) (((GLdouble
*) p
)[0]);
1766 params
[3] = (GLfloat
) (((GLint
*) p
)[3]);
1768 params
[2] = (GLfloat
) (((GLint
*) p
)[2]);
1771 params
[1] = (GLfloat
) (((GLint
*) p
)[1]);
1774 params
[0] = (GLfloat
) (((GLint
*) p
)[0]);
1778 params
[0] = (GLfloat
) (((GLenum16
*) p
)[0]);
1782 for (i
= 0; i
< v
.value_int_n
.n
; i
++)
1783 params
[i
] = (GLfloat
) v
.value_int_n
.ints
[i
];
1787 params
[3] = (GLfloat
) (((GLuint
*) p
)[3]);
1789 params
[2] = (GLfloat
) (((GLuint
*) p
)[2]);
1791 params
[1] = (GLfloat
) (((GLuint
*) p
)[1]);
1793 params
[0] = (GLfloat
) (((GLuint
*) p
)[0]);
1797 params
[0] = (GLfloat
) (((GLint64
*) p
)[0]);
1801 params
[0] = BOOLEAN_TO_FLOAT(*(GLboolean
*) p
);
1805 params
[0] = (GLfloat
) ((GLubyte
*) p
)[0];
1809 params
[0] = (GLfloat
) ((GLshort
*) p
)[0];
1813 m
= *(GLmatrix
**) p
;
1814 for (i
= 0; i
< 16; i
++)
1815 params
[i
] = m
->m
[i
];
1819 m
= *(GLmatrix
**) p
;
1820 for (i
= 0; i
< 16; i
++)
1821 params
[i
] = m
->m
[transpose
[i
]];
1832 shift
= d
->type
- TYPE_BIT_0
;
1833 params
[0] = BOOLEAN_TO_FLOAT((*(GLbitfield
*) p
>> shift
) & 1);
1839 _mesa_GetIntegerv(GLenum pname
, GLint
*params
)
1841 const struct value_desc
*d
;
1847 d
= find_value("glGetIntegerv", pname
, &p
, &v
);
1852 params
[0] = d
->offset
;
1856 params
[7] = IROUND(((GLfloat
*) p
)[7]);
1857 params
[6] = IROUND(((GLfloat
*) p
)[6]);
1858 params
[5] = IROUND(((GLfloat
*) p
)[5]);
1859 params
[4] = IROUND(((GLfloat
*) p
)[4]);
1861 params
[3] = IROUND(((GLfloat
*) p
)[3]);
1863 params
[2] = IROUND(((GLfloat
*) p
)[2]);
1865 params
[1] = IROUND(((GLfloat
*) p
)[1]);
1867 params
[0] = IROUND(((GLfloat
*) p
)[0]);
1871 params
[3] = FLOAT_TO_INT(((GLfloat
*) p
)[3]);
1873 params
[2] = FLOAT_TO_INT(((GLfloat
*) p
)[2]);
1875 params
[1] = FLOAT_TO_INT(((GLfloat
*) p
)[1]);
1877 params
[0] = FLOAT_TO_INT(((GLfloat
*) p
)[0]);
1880 case TYPE_DOUBLEN_2
:
1881 params
[1] = FLOAT_TO_INT(((GLdouble
*) p
)[1]);
1883 params
[0] = FLOAT_TO_INT(((GLdouble
*) p
)[0]);
1888 params
[3] = ((GLint
*) p
)[3];
1891 params
[2] = ((GLint
*) p
)[2];
1895 params
[1] = ((GLint
*) p
)[1];
1899 params
[0] = ((GLint
*) p
)[0];
1903 params
[0] = ((GLenum16
*) p
)[0];
1907 for (i
= 0; i
< v
.value_int_n
.n
; i
++)
1908 params
[i
] = v
.value_int_n
.ints
[i
];
1912 params
[0] = INT64_TO_INT(((GLint64
*) p
)[0]);
1916 params
[0] = BOOLEAN_TO_INT(*(GLboolean
*) p
);
1920 params
[0] = ((GLubyte
*) p
)[0];
1924 params
[0] = ((GLshort
*) p
)[0];
1928 m
= *(GLmatrix
**) p
;
1929 for (i
= 0; i
< 16; i
++)
1930 params
[i
] = FLOAT_TO_INT(m
->m
[i
]);
1934 m
= *(GLmatrix
**) p
;
1935 for (i
= 0; i
< 16; i
++)
1936 params
[i
] = FLOAT_TO_INT(m
->m
[transpose
[i
]]);
1947 shift
= d
->type
- TYPE_BIT_0
;
1948 params
[0] = (*(GLbitfield
*) p
>> shift
) & 1;
1954 _mesa_GetInteger64v(GLenum pname
, GLint64
*params
)
1956 const struct value_desc
*d
;
1962 d
= find_value("glGetInteger64v", pname
, &p
, &v
);
1967 params
[0] = d
->offset
;
1971 params
[7] = IROUND64(((GLfloat
*) p
)[7]);
1972 params
[6] = IROUND64(((GLfloat
*) p
)[6]);
1973 params
[5] = IROUND64(((GLfloat
*) p
)[5]);
1974 params
[4] = IROUND64(((GLfloat
*) p
)[4]);
1976 params
[3] = IROUND64(((GLfloat
*) p
)[3]);
1978 params
[2] = IROUND64(((GLfloat
*) p
)[2]);
1980 params
[1] = IROUND64(((GLfloat
*) p
)[1]);
1982 params
[0] = IROUND64(((GLfloat
*) p
)[0]);
1986 params
[3] = FLOAT_TO_INT(((GLfloat
*) p
)[3]);
1988 params
[2] = FLOAT_TO_INT(((GLfloat
*) p
)[2]);
1990 params
[1] = FLOAT_TO_INT(((GLfloat
*) p
)[1]);
1992 params
[0] = FLOAT_TO_INT(((GLfloat
*) p
)[0]);
1995 case TYPE_DOUBLEN_2
:
1996 params
[1] = FLOAT_TO_INT(((GLdouble
*) p
)[1]);
1998 params
[0] = FLOAT_TO_INT(((GLdouble
*) p
)[0]);
2002 params
[3] = ((GLint
*) p
)[3];
2004 params
[2] = ((GLint
*) p
)[2];
2007 params
[1] = ((GLint
*) p
)[1];
2010 params
[0] = ((GLint
*) p
)[0];
2014 params
[0] = ((GLenum16
*) p
)[0];
2018 for (i
= 0; i
< v
.value_int_n
.n
; i
++)
2019 params
[i
] = v
.value_int_n
.ints
[i
];
2023 params
[3] = ((GLuint
*) p
)[3];
2025 params
[2] = ((GLuint
*) p
)[2];
2027 params
[1] = ((GLuint
*) p
)[1];
2029 params
[0] = ((GLuint
*) p
)[0];
2033 params
[0] = ((GLint64
*) p
)[0];
2037 params
[0] = ((GLboolean
*) p
)[0];
2041 m
= *(GLmatrix
**) p
;
2042 for (i
= 0; i
< 16; i
++)
2043 params
[i
] = FLOAT_TO_INT64(m
->m
[i
]);
2047 m
= *(GLmatrix
**) p
;
2048 for (i
= 0; i
< 16; i
++)
2049 params
[i
] = FLOAT_TO_INT64(m
->m
[transpose
[i
]]);
2060 shift
= d
->type
- TYPE_BIT_0
;
2061 params
[0] = (*(GLbitfield
*) p
>> shift
) & 1;
2067 _mesa_GetDoublev(GLenum pname
, GLdouble
*params
)
2069 const struct value_desc
*d
;
2075 d
= find_value("glGetDoublev", pname
, &p
, &v
);
2080 params
[0] = d
->offset
;
2084 params
[7] = ((GLfloat
*) p
)[7];
2085 params
[6] = ((GLfloat
*) p
)[6];
2086 params
[5] = ((GLfloat
*) p
)[5];
2087 params
[4] = ((GLfloat
*) p
)[4];
2090 params
[3] = ((GLfloat
*) p
)[3];
2093 params
[2] = ((GLfloat
*) p
)[2];
2096 params
[1] = ((GLfloat
*) p
)[1];
2099 params
[0] = ((GLfloat
*) p
)[0];
2102 case TYPE_DOUBLEN_2
:
2103 params
[1] = ((GLdouble
*) p
)[1];
2105 params
[0] = ((GLdouble
*) p
)[0];
2109 params
[3] = ((GLint
*) p
)[3];
2111 params
[2] = ((GLint
*) p
)[2];
2114 params
[1] = ((GLint
*) p
)[1];
2117 params
[0] = ((GLint
*) p
)[0];
2121 params
[0] = ((GLenum16
*) p
)[0];
2125 for (i
= 0; i
< v
.value_int_n
.n
; i
++)
2126 params
[i
] = v
.value_int_n
.ints
[i
];
2130 params
[3] = ((GLuint
*) p
)[3];
2132 params
[2] = ((GLuint
*) p
)[2];
2134 params
[1] = ((GLuint
*) p
)[1];
2136 params
[0] = ((GLuint
*) p
)[0];
2140 params
[0] = (GLdouble
) (((GLint64
*) p
)[0]);
2144 params
[0] = *(GLboolean
*) p
;
2148 params
[0] = ((GLubyte
*) p
)[0];
2152 params
[0] = ((GLshort
*) p
)[0];
2156 m
= *(GLmatrix
**) p
;
2157 for (i
= 0; i
< 16; i
++)
2158 params
[i
] = m
->m
[i
];
2162 m
= *(GLmatrix
**) p
;
2163 for (i
= 0; i
< 16; i
++)
2164 params
[i
] = m
->m
[transpose
[i
]];
2175 shift
= d
->type
- TYPE_BIT_0
;
2176 params
[0] = (*(GLbitfield
*) p
>> shift
) & 1;
2182 _mesa_GetUnsignedBytevEXT(GLenum pname
, GLubyte
*data
)
2184 const struct value_desc
*d
;
2189 const char *func
= "glGetUnsignedBytevEXT";
2191 GET_CURRENT_CONTEXT(ctx
);
2193 if (!ctx
->Extensions
.EXT_memory_object
) {
2194 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(unsupported)", func
);
2198 d
= find_value(func
, pname
, &p
, &v
);
2199 size
= get_value_size(d
->type
, &v
);
2201 _mesa_problem(ctx
, "invalid value type in GetUnsignedBytevEXT()");
2213 shift
= d
->type
- TYPE_BIT_0
;
2214 data
[0] = (*(GLbitfield
*) p
>> shift
) & 1;
2217 memcpy(data
, &d
->offset
, size
);
2220 memcpy(data
, &v
.value_int_n
.ints
, size
);
2246 case TYPE_DOUBLEN_2
:
2249 memcpy(data
, p
, size
);
2252 GLenum e
= *(GLenum16
*)p
;
2253 memcpy(data
, &e
, sizeof(e
));
2257 break; /* nothing - GL error was recorded */
2262 * Convert a GL texture binding enum such as GL_TEXTURE_BINDING_2D
2263 * into the corresponding Mesa texture target index.
2264 * \return TEXTURE_x_INDEX or -1 if binding is invalid
2267 tex_binding_to_index(const struct gl_context
*ctx
, GLenum binding
)
2270 case GL_TEXTURE_BINDING_1D
:
2271 return _mesa_is_desktop_gl(ctx
) ? TEXTURE_1D_INDEX
: -1;
2272 case GL_TEXTURE_BINDING_2D
:
2273 return TEXTURE_2D_INDEX
;
2274 case GL_TEXTURE_BINDING_3D
:
2275 return ctx
->API
!= API_OPENGLES
? TEXTURE_3D_INDEX
: -1;
2276 case GL_TEXTURE_BINDING_CUBE_MAP
:
2277 return ctx
->Extensions
.ARB_texture_cube_map
2278 ? TEXTURE_CUBE_INDEX
: -1;
2279 case GL_TEXTURE_BINDING_RECTANGLE
:
2280 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.NV_texture_rectangle
2281 ? TEXTURE_RECT_INDEX
: -1;
2282 case GL_TEXTURE_BINDING_1D_ARRAY
:
2283 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
2284 ? TEXTURE_1D_ARRAY_INDEX
: -1;
2285 case GL_TEXTURE_BINDING_2D_ARRAY
:
2286 return (_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
)
2287 || _mesa_is_gles3(ctx
)
2288 ? TEXTURE_2D_ARRAY_INDEX
: -1;
2289 case GL_TEXTURE_BINDING_BUFFER
:
2290 return (_mesa_has_ARB_texture_buffer_object(ctx
) ||
2291 _mesa_has_OES_texture_buffer(ctx
)) ?
2292 TEXTURE_BUFFER_INDEX
: -1;
2293 case GL_TEXTURE_BINDING_CUBE_MAP_ARRAY
:
2294 return _mesa_has_texture_cube_map_array(ctx
)
2295 ? TEXTURE_CUBE_ARRAY_INDEX
: -1;
2296 case GL_TEXTURE_BINDING_2D_MULTISAMPLE
:
2297 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.ARB_texture_multisample
2298 ? TEXTURE_2D_MULTISAMPLE_INDEX
: -1;
2299 case GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY
:
2300 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.ARB_texture_multisample
2301 ? TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX
: -1;
2307 static enum value_type
2308 find_value_indexed(const char *func
, GLenum pname
, GLuint index
, union value
*v
)
2310 GET_CURRENT_CONTEXT(ctx
);
2315 if (index
>= ctx
->Const
.MaxDrawBuffers
)
2317 if (!ctx
->Extensions
.EXT_draw_buffers2
)
2319 v
->value_int
= (ctx
->Color
.BlendEnabled
>> index
) & 1;
2324 case GL_BLEND_SRC_RGB
:
2325 if (index
>= ctx
->Const
.MaxDrawBuffers
)
2327 if (!ctx
->Extensions
.ARB_draw_buffers_blend
)
2329 v
->value_int
= ctx
->Color
.Blend
[index
].SrcRGB
;
2331 case GL_BLEND_SRC_ALPHA
:
2332 if (index
>= ctx
->Const
.MaxDrawBuffers
)
2334 if (!ctx
->Extensions
.ARB_draw_buffers_blend
)
2336 v
->value_int
= ctx
->Color
.Blend
[index
].SrcA
;
2340 case GL_BLEND_DST_RGB
:
2341 if (index
>= ctx
->Const
.MaxDrawBuffers
)
2343 if (!ctx
->Extensions
.ARB_draw_buffers_blend
)
2345 v
->value_int
= ctx
->Color
.Blend
[index
].DstRGB
;
2347 case GL_BLEND_DST_ALPHA
:
2348 if (index
>= ctx
->Const
.MaxDrawBuffers
)
2350 if (!ctx
->Extensions
.ARB_draw_buffers_blend
)
2352 v
->value_int
= ctx
->Color
.Blend
[index
].DstA
;
2354 case GL_BLEND_EQUATION_RGB
:
2355 if (index
>= ctx
->Const
.MaxDrawBuffers
)
2357 if (!ctx
->Extensions
.ARB_draw_buffers_blend
)
2359 v
->value_int
= ctx
->Color
.Blend
[index
].EquationRGB
;
2361 case GL_BLEND_EQUATION_ALPHA
:
2362 if (index
>= ctx
->Const
.MaxDrawBuffers
)
2364 if (!ctx
->Extensions
.ARB_draw_buffers_blend
)
2366 v
->value_int
= ctx
->Color
.Blend
[index
].EquationA
;
2369 case GL_COLOR_WRITEMASK
:
2370 if (index
>= ctx
->Const
.MaxDrawBuffers
)
2372 if (!ctx
->Extensions
.EXT_draw_buffers2
)
2374 v
->value_int_4
[0] = GET_COLORMASK_BIT(ctx
->Color
.ColorMask
, index
, 0);
2375 v
->value_int_4
[1] = GET_COLORMASK_BIT(ctx
->Color
.ColorMask
, index
, 1);
2376 v
->value_int_4
[2] = GET_COLORMASK_BIT(ctx
->Color
.ColorMask
, index
, 2);
2377 v
->value_int_4
[3] = GET_COLORMASK_BIT(ctx
->Color
.ColorMask
, index
, 3);
2380 case GL_SCISSOR_BOX
:
2381 if (index
>= ctx
->Const
.MaxViewports
)
2383 v
->value_int_4
[0] = ctx
->Scissor
.ScissorArray
[index
].X
;
2384 v
->value_int_4
[1] = ctx
->Scissor
.ScissorArray
[index
].Y
;
2385 v
->value_int_4
[2] = ctx
->Scissor
.ScissorArray
[index
].Width
;
2386 v
->value_int_4
[3] = ctx
->Scissor
.ScissorArray
[index
].Height
;
2389 case GL_WINDOW_RECTANGLE_EXT
:
2390 if (!ctx
->Extensions
.EXT_window_rectangles
)
2392 if (index
>= ctx
->Const
.MaxWindowRectangles
)
2394 v
->value_int_4
[0] = ctx
->Scissor
.WindowRects
[index
].X
;
2395 v
->value_int_4
[1] = ctx
->Scissor
.WindowRects
[index
].Y
;
2396 v
->value_int_4
[2] = ctx
->Scissor
.WindowRects
[index
].Width
;
2397 v
->value_int_4
[3] = ctx
->Scissor
.WindowRects
[index
].Height
;
2401 if (index
>= ctx
->Const
.MaxViewports
)
2403 v
->value_float_4
[0] = ctx
->ViewportArray
[index
].X
;
2404 v
->value_float_4
[1] = ctx
->ViewportArray
[index
].Y
;
2405 v
->value_float_4
[2] = ctx
->ViewportArray
[index
].Width
;
2406 v
->value_float_4
[3] = ctx
->ViewportArray
[index
].Height
;
2407 return TYPE_FLOAT_4
;
2409 case GL_DEPTH_RANGE
:
2410 if (index
>= ctx
->Const
.MaxViewports
)
2412 v
->value_double_2
[0] = ctx
->ViewportArray
[index
].Near
;
2413 v
->value_double_2
[1] = ctx
->ViewportArray
[index
].Far
;
2414 return TYPE_DOUBLEN_2
;
2416 case GL_TRANSFORM_FEEDBACK_BUFFER_START
:
2417 if (index
>= ctx
->Const
.MaxTransformFeedbackBuffers
)
2419 if (!ctx
->Extensions
.EXT_transform_feedback
)
2421 v
->value_int64
= ctx
->TransformFeedback
.CurrentObject
->Offset
[index
];
2424 case GL_TRANSFORM_FEEDBACK_BUFFER_SIZE
:
2425 if (index
>= ctx
->Const
.MaxTransformFeedbackBuffers
)
2427 if (!ctx
->Extensions
.EXT_transform_feedback
)
2430 = ctx
->TransformFeedback
.CurrentObject
->RequestedSize
[index
];
2433 case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING
:
2434 if (index
>= ctx
->Const
.MaxTransformFeedbackBuffers
)
2436 if (!ctx
->Extensions
.EXT_transform_feedback
)
2438 v
->value_int
= ctx
->TransformFeedback
.CurrentObject
->BufferNames
[index
];
2441 case GL_UNIFORM_BUFFER_BINDING
:
2442 if (index
>= ctx
->Const
.MaxUniformBufferBindings
)
2444 if (!ctx
->Extensions
.ARB_uniform_buffer_object
)
2446 v
->value_int
= ctx
->UniformBufferBindings
[index
].BufferObject
->Name
;
2449 case GL_UNIFORM_BUFFER_START
:
2450 if (index
>= ctx
->Const
.MaxUniformBufferBindings
)
2452 if (!ctx
->Extensions
.ARB_uniform_buffer_object
)
2454 v
->value_int
= ctx
->UniformBufferBindings
[index
].Offset
< 0 ? 0 :
2455 ctx
->UniformBufferBindings
[index
].Offset
;
2458 case GL_UNIFORM_BUFFER_SIZE
:
2459 if (index
>= ctx
->Const
.MaxUniformBufferBindings
)
2461 if (!ctx
->Extensions
.ARB_uniform_buffer_object
)
2463 v
->value_int
= ctx
->UniformBufferBindings
[index
].Size
< 0 ? 0 :
2464 ctx
->UniformBufferBindings
[index
].Size
;
2467 /* ARB_shader_storage_buffer_object */
2468 case GL_SHADER_STORAGE_BUFFER_BINDING
:
2469 if (!ctx
->Extensions
.ARB_shader_storage_buffer_object
)
2471 if (index
>= ctx
->Const
.MaxShaderStorageBufferBindings
)
2473 v
->value_int
= ctx
->ShaderStorageBufferBindings
[index
].BufferObject
->Name
;
2476 case GL_SHADER_STORAGE_BUFFER_START
:
2477 if (!ctx
->Extensions
.ARB_shader_storage_buffer_object
)
2479 if (index
>= ctx
->Const
.MaxShaderStorageBufferBindings
)
2481 v
->value_int
= ctx
->ShaderStorageBufferBindings
[index
].Offset
< 0 ? 0 :
2482 ctx
->ShaderStorageBufferBindings
[index
].Offset
;
2485 case GL_SHADER_STORAGE_BUFFER_SIZE
:
2486 if (!ctx
->Extensions
.ARB_shader_storage_buffer_object
)
2488 if (index
>= ctx
->Const
.MaxShaderStorageBufferBindings
)
2490 v
->value_int
= ctx
->ShaderStorageBufferBindings
[index
].Size
< 0 ? 0 :
2491 ctx
->ShaderStorageBufferBindings
[index
].Size
;
2494 /* ARB_texture_multisample / GL3.2 */
2495 case GL_SAMPLE_MASK_VALUE
:
2498 if (!ctx
->Extensions
.ARB_texture_multisample
)
2500 v
->value_int
= ctx
->Multisample
.SampleMaskValue
;
2503 case GL_ATOMIC_COUNTER_BUFFER_BINDING
:
2504 if (!ctx
->Extensions
.ARB_shader_atomic_counters
)
2506 if (index
>= ctx
->Const
.MaxAtomicBufferBindings
)
2508 v
->value_int
= ctx
->AtomicBufferBindings
[index
].BufferObject
->Name
;
2511 case GL_ATOMIC_COUNTER_BUFFER_START
:
2512 if (!ctx
->Extensions
.ARB_shader_atomic_counters
)
2514 if (index
>= ctx
->Const
.MaxAtomicBufferBindings
)
2516 v
->value_int64
= ctx
->AtomicBufferBindings
[index
].Offset
< 0 ? 0 :
2517 ctx
->AtomicBufferBindings
[index
].Offset
;
2520 case GL_ATOMIC_COUNTER_BUFFER_SIZE
:
2521 if (!ctx
->Extensions
.ARB_shader_atomic_counters
)
2523 if (index
>= ctx
->Const
.MaxAtomicBufferBindings
)
2525 v
->value_int64
= ctx
->AtomicBufferBindings
[index
].Size
< 0 ? 0 :
2526 ctx
->AtomicBufferBindings
[index
].Size
;
2529 case GL_VERTEX_BINDING_DIVISOR
:
2530 if ((!_mesa_is_desktop_gl(ctx
) || !ctx
->Extensions
.ARB_instanced_arrays
) &&
2531 !_mesa_is_gles31(ctx
))
2533 if (index
>= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
)
2535 v
->value_int
= ctx
->Array
.VAO
->BufferBinding
[VERT_ATTRIB_GENERIC(index
)].InstanceDivisor
;
2538 case GL_VERTEX_BINDING_OFFSET
:
2539 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles31(ctx
))
2541 if (index
>= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
)
2543 v
->value_int
= ctx
->Array
.VAO
->BufferBinding
[VERT_ATTRIB_GENERIC(index
)].Offset
;
2546 case GL_VERTEX_BINDING_STRIDE
:
2547 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles31(ctx
))
2549 if (index
>= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
)
2551 v
->value_int
= ctx
->Array
.VAO
->BufferBinding
[VERT_ATTRIB_GENERIC(index
)].Stride
;
2554 case GL_VERTEX_BINDING_BUFFER
:
2555 if (ctx
->API
== API_OPENGLES2
&& ctx
->Version
< 31)
2557 if (index
>= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
)
2559 v
->value_int
= ctx
->Array
.VAO
->BufferBinding
[VERT_ATTRIB_GENERIC(index
)].BufferObj
->Name
;
2562 /* ARB_shader_image_load_store */
2563 case GL_IMAGE_BINDING_NAME
: {
2564 struct gl_texture_object
*t
;
2566 if (!ctx
->Extensions
.ARB_shader_image_load_store
)
2568 if (index
>= ctx
->Const
.MaxImageUnits
)
2571 t
= ctx
->ImageUnits
[index
].TexObj
;
2572 v
->value_int
= (t
? t
->Name
: 0);
2576 case GL_IMAGE_BINDING_LEVEL
:
2577 if (!ctx
->Extensions
.ARB_shader_image_load_store
)
2579 if (index
>= ctx
->Const
.MaxImageUnits
)
2582 v
->value_int
= ctx
->ImageUnits
[index
].Level
;
2585 case GL_IMAGE_BINDING_LAYERED
:
2586 if (!ctx
->Extensions
.ARB_shader_image_load_store
)
2588 if (index
>= ctx
->Const
.MaxImageUnits
)
2591 v
->value_int
= ctx
->ImageUnits
[index
].Layered
;
2594 case GL_IMAGE_BINDING_LAYER
:
2595 if (!ctx
->Extensions
.ARB_shader_image_load_store
)
2597 if (index
>= ctx
->Const
.MaxImageUnits
)
2600 v
->value_int
= ctx
->ImageUnits
[index
].Layer
;
2603 case GL_IMAGE_BINDING_ACCESS
:
2604 if (!ctx
->Extensions
.ARB_shader_image_load_store
)
2606 if (index
>= ctx
->Const
.MaxImageUnits
)
2609 v
->value_int
= ctx
->ImageUnits
[index
].Access
;
2612 case GL_IMAGE_BINDING_FORMAT
:
2613 if (!ctx
->Extensions
.ARB_shader_image_load_store
)
2615 if (index
>= ctx
->Const
.MaxImageUnits
)
2618 v
->value_int
= ctx
->ImageUnits
[index
].Format
;
2621 /* ARB_direct_state_access */
2622 case GL_TEXTURE_BINDING_1D
:
2623 case GL_TEXTURE_BINDING_1D_ARRAY
:
2624 case GL_TEXTURE_BINDING_2D
:
2625 case GL_TEXTURE_BINDING_2D_ARRAY
:
2626 case GL_TEXTURE_BINDING_2D_MULTISAMPLE
:
2627 case GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY
:
2628 case GL_TEXTURE_BINDING_3D
:
2629 case GL_TEXTURE_BINDING_BUFFER
:
2630 case GL_TEXTURE_BINDING_CUBE_MAP
:
2631 case GL_TEXTURE_BINDING_CUBE_MAP_ARRAY
:
2632 case GL_TEXTURE_BINDING_RECTANGLE
: {
2635 if (ctx
->API
!= API_OPENGL_CORE
)
2637 target
= tex_binding_to_index(ctx
, pname
);
2640 if (index
>= _mesa_max_tex_unit(ctx
))
2643 v
->value_int
= ctx
->Texture
.Unit
[index
].CurrentTex
[target
]->Name
;
2647 case GL_SAMPLER_BINDING
: {
2648 struct gl_sampler_object
*samp
;
2650 if (!_mesa_is_desktop_gl(ctx
) || ctx
->Version
< 33)
2652 if (index
>= _mesa_max_tex_unit(ctx
))
2655 samp
= ctx
->Texture
.Unit
[index
].Sampler
;
2656 v
->value_int
= samp
? samp
->Name
: 0;
2660 case GL_MAX_COMPUTE_WORK_GROUP_COUNT
:
2661 if (!_mesa_has_compute_shaders(ctx
))
2665 v
->value_int
= ctx
->Const
.MaxComputeWorkGroupCount
[index
];
2668 case GL_MAX_COMPUTE_WORK_GROUP_SIZE
:
2669 if (!_mesa_has_compute_shaders(ctx
))
2673 v
->value_int
= ctx
->Const
.MaxComputeWorkGroupSize
[index
];
2676 /* ARB_compute_variable_group_size */
2677 case GL_MAX_COMPUTE_VARIABLE_GROUP_SIZE_ARB
:
2678 if (!ctx
->Extensions
.ARB_compute_variable_group_size
)
2682 v
->value_int
= ctx
->Const
.MaxComputeVariableGroupSize
[index
];
2685 /* GL_EXT_external_objects */
2686 case GL_NUM_DEVICE_UUIDS_EXT
:
2689 case GL_DRIVER_UUID_EXT
:
2692 _mesa_get_driver_uuid(ctx
, v
->value_int_4
);
2694 case GL_DEVICE_UUID_EXT
:
2697 _mesa_get_device_uuid(ctx
, v
->value_int_4
);
2702 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(pname=%s)", func
,
2703 _mesa_enum_to_string(pname
));
2704 return TYPE_INVALID
;
2706 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(pname=%s)", func
,
2707 _mesa_enum_to_string(pname
));
2708 return TYPE_INVALID
;
2712 _mesa_GetBooleani_v( GLenum pname
, GLuint index
, GLboolean
*params
)
2715 enum value_type type
=
2716 find_value_indexed("glGetBooleani_v", pname
, index
, &v
);
2721 params
[0] = INT_TO_BOOLEAN(v
.value_int
);
2725 params
[0] = INT_TO_BOOLEAN(v
.value_int_4
[0]);
2726 params
[1] = INT_TO_BOOLEAN(v
.value_int_4
[1]);
2727 params
[2] = INT_TO_BOOLEAN(v
.value_int_4
[2]);
2728 params
[3] = INT_TO_BOOLEAN(v
.value_int_4
[3]);
2731 params
[0] = INT64_TO_BOOLEAN(v
.value_int64
);
2734 ; /* nothing - GL error was recorded */
2739 _mesa_GetIntegeri_v( GLenum pname
, GLuint index
, GLint
*params
)
2742 enum value_type type
=
2743 find_value_indexed("glGetIntegeri_v", pname
, index
, &v
);
2748 params
[3] = IROUND(v
.value_float_4
[3]);
2751 params
[2] = IROUND(v
.value_float_4
[2]);
2754 params
[1] = IROUND(v
.value_float_4
[1]);
2757 params
[0] = IROUND(v
.value_float_4
[0]);
2760 case TYPE_DOUBLEN_2
:
2761 params
[1] = IROUND(v
.value_double_2
[1]);
2763 params
[0] = IROUND(v
.value_double_2
[0]);
2768 params
[0] = v
.value_int
;
2772 params
[0] = v
.value_int_4
[0];
2773 params
[1] = v
.value_int_4
[1];
2774 params
[2] = v
.value_int_4
[2];
2775 params
[3] = v
.value_int_4
[3];
2778 params
[0] = INT64_TO_INT(v
.value_int64
);
2781 ; /* nothing - GL error was recorded */
2786 _mesa_GetInteger64i_v( GLenum pname
, GLuint index
, GLint64
*params
)
2789 enum value_type type
=
2790 find_value_indexed("glGetInteger64i_v", pname
, index
, &v
);
2794 params
[0] = v
.value_int
;
2797 params
[0] = v
.value_int_4
[0];
2798 params
[1] = v
.value_int_4
[1];
2799 params
[2] = v
.value_int_4
[2];
2800 params
[3] = v
.value_int_4
[3];
2803 params
[0] = (GLuint
) v
.value_int
;
2806 params
[0] = (GLuint
) v
.value_int_4
[0];
2807 params
[1] = (GLuint
) v
.value_int_4
[1];
2808 params
[2] = (GLuint
) v
.value_int_4
[2];
2809 params
[3] = (GLuint
) v
.value_int_4
[3];
2812 params
[0] = v
.value_int64
;
2815 ; /* nothing - GL error was recorded */
2820 _mesa_GetFloati_v(GLenum pname
, GLuint index
, GLfloat
*params
)
2825 enum value_type type
=
2826 find_value_indexed("glGetFloati_v", pname
, index
, &v
);
2831 params
[3] = v
.value_float_4
[3];
2834 params
[2] = v
.value_float_4
[2];
2837 params
[1] = v
.value_float_4
[1];
2840 params
[0] = v
.value_float_4
[0];
2843 case TYPE_DOUBLEN_2
:
2844 params
[1] = (GLfloat
) v
.value_double_2
[1];
2846 params
[0] = (GLfloat
) v
.value_double_2
[0];
2850 params
[3] = (GLfloat
) v
.value_int_4
[3];
2852 params
[2] = (GLfloat
) v
.value_int_4
[2];
2855 params
[1] = (GLfloat
) v
.value_int_4
[1];
2859 params
[0] = (GLfloat
) v
.value_int_4
[0];
2863 for (i
= 0; i
< v
.value_int_n
.n
; i
++)
2864 params
[i
] = (GLfloat
) v
.value_int_n
.ints
[i
];
2868 params
[3] = (GLfloat
) ((GLuint
) v
.value_int_4
[3]);
2870 params
[2] = (GLfloat
) ((GLuint
) v
.value_int_4
[2]);
2872 params
[1] = (GLfloat
) ((GLuint
) v
.value_int_4
[1]);
2874 params
[0] = (GLfloat
) ((GLuint
) v
.value_int_4
[0]);
2878 params
[0] = (GLfloat
) v
.value_int64
;
2882 params
[0] = BOOLEAN_TO_FLOAT(v
.value_bool
);
2886 params
[0] = (GLfloat
) v
.value_ubyte
;
2890 params
[0] = (GLfloat
) v
.value_short
;
2894 m
= *(GLmatrix
**) &v
;
2895 for (i
= 0; i
< 16; i
++)
2896 params
[i
] = m
->m
[i
];
2900 m
= *(GLmatrix
**) &v
;
2901 for (i
= 0; i
< 16; i
++)
2902 params
[i
] = m
->m
[transpose
[i
]];
2911 _mesa_GetDoublei_v(GLenum pname
, GLuint index
, GLdouble
*params
)
2916 enum value_type type
=
2917 find_value_indexed("glGetDoublei_v", pname
, index
, &v
);
2922 params
[3] = (GLdouble
) v
.value_float_4
[3];
2925 params
[2] = (GLdouble
) v
.value_float_4
[2];
2928 params
[1] = (GLdouble
) v
.value_float_4
[1];
2931 params
[0] = (GLdouble
) v
.value_float_4
[0];
2934 case TYPE_DOUBLEN_2
:
2935 params
[1] = v
.value_double_2
[1];
2937 params
[0] = v
.value_double_2
[0];
2941 params
[3] = (GLdouble
) v
.value_int_4
[3];
2943 params
[2] = (GLdouble
) v
.value_int_4
[2];
2946 params
[1] = (GLdouble
) v
.value_int_4
[1];
2950 params
[0] = (GLdouble
) v
.value_int_4
[0];
2954 for (i
= 0; i
< v
.value_int_n
.n
; i
++)
2955 params
[i
] = (GLdouble
) v
.value_int_n
.ints
[i
];
2959 params
[3] = (GLdouble
) ((GLuint
) v
.value_int_4
[3]);
2961 params
[2] = (GLdouble
) ((GLuint
) v
.value_int_4
[2]);
2963 params
[1] = (GLdouble
) ((GLuint
) v
.value_int_4
[1]);
2965 params
[0] = (GLdouble
) ((GLuint
) v
.value_int_4
[0]);
2969 params
[0] = (GLdouble
) v
.value_int64
;
2973 params
[0] = (GLdouble
) BOOLEAN_TO_FLOAT(v
.value_bool
);
2977 params
[0] = (GLdouble
) v
.value_ubyte
;
2981 params
[0] = (GLdouble
) v
.value_short
;
2985 m
= *(GLmatrix
**) &v
;
2986 for (i
= 0; i
< 16; i
++)
2987 params
[i
] = (GLdouble
) m
->m
[i
];
2991 m
= *(GLmatrix
**) &v
;
2992 for (i
= 0; i
< 16; i
++)
2993 params
[i
] = (GLdouble
) m
->m
[transpose
[i
]];
3002 _mesa_GetUnsignedBytei_vEXT(GLenum target
, GLuint index
, GLubyte
*data
)
3006 enum value_type type
;
3007 const char *func
= "glGetUnsignedBytei_vEXT";
3009 GET_CURRENT_CONTEXT(ctx
);
3011 if (!ctx
->Extensions
.EXT_memory_object
) {
3012 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(unsupported)", func
);
3016 type
= find_value_indexed(func
, target
, index
, &v
);
3017 size
= get_value_size(type
, &v
);
3019 _mesa_problem(ctx
, "invalid value type in GetUnsignedBytei_vEXT()");
3048 case TYPE_DOUBLEN_2
:
3051 memcpy(data
, &v
.value_int
, size
);
3054 memcpy(data
, &v
.value_int_n
.ints
, size
);
3057 break; /* nothing - GL error was recorded */
3062 _mesa_GetFixedv(GLenum pname
, GLfixed
*params
)
3064 const struct value_desc
*d
;
3070 d
= find_value("glGetDoublev", pname
, &p
, &v
);
3075 params
[0] = INT_TO_FIXED(d
->offset
);
3080 params
[3] = FLOAT_TO_FIXED(((GLfloat
*) p
)[3]);
3083 params
[2] = FLOAT_TO_FIXED(((GLfloat
*) p
)[2]);
3086 params
[1] = FLOAT_TO_FIXED(((GLfloat
*) p
)[1]);
3089 params
[0] = FLOAT_TO_FIXED(((GLfloat
*) p
)[0]);
3092 case TYPE_DOUBLEN_2
:
3093 params
[1] = FLOAT_TO_FIXED(((GLdouble
*) p
)[1]);
3095 params
[0] = FLOAT_TO_FIXED(((GLdouble
*) p
)[0]);
3100 params
[3] = INT_TO_FIXED(((GLint
*) p
)[3]);
3103 params
[2] = INT_TO_FIXED(((GLint
*) p
)[2]);
3107 params
[1] = INT_TO_FIXED(((GLint
*) p
)[1]);
3111 params
[0] = INT_TO_FIXED(((GLint
*) p
)[0]);
3115 params
[0] = INT_TO_FIXED((GLint
)(((GLenum16
*) p
)[0]));
3119 for (i
= 0; i
< v
.value_int_n
.n
; i
++)
3120 params
[i
] = INT_TO_FIXED(v
.value_int_n
.ints
[i
]);
3124 params
[0] = ((GLint64
*) p
)[0];
3128 params
[0] = BOOLEAN_TO_FIXED(((GLboolean
*) p
)[0]);
3132 params
[0] = INT_TO_FIXED(((GLubyte
*) p
)[0]);
3136 params
[0] = INT_TO_FIXED(((GLshort
*) p
)[0]);
3140 m
= *(GLmatrix
**) p
;
3141 for (i
= 0; i
< 16; i
++)
3142 params
[i
] = FLOAT_TO_FIXED(m
->m
[i
]);
3146 m
= *(GLmatrix
**) p
;
3147 for (i
= 0; i
< 16; i
++)
3148 params
[i
] = FLOAT_TO_FIXED(m
->m
[transpose
[i
]]);
3159 shift
= d
->type
- TYPE_BIT_0
;
3160 params
[0] = BOOLEAN_TO_FIXED((*(GLbitfield
*) p
>> shift
) & 1);