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(ATI_fragment_shader
);
472 EXTRA_EXT(EXT_provoking_vertex
);
473 EXTRA_EXT(ARB_fragment_shader
);
474 EXTRA_EXT(ARB_fragment_program
);
475 EXTRA_EXT2(ARB_framebuffer_object
, EXT_framebuffer_multisample
);
476 EXTRA_EXT(ARB_seamless_cube_map
);
478 EXTRA_EXT(ARB_vertex_shader
);
479 EXTRA_EXT(EXT_transform_feedback
);
480 EXTRA_EXT(ARB_transform_feedback3
);
481 EXTRA_EXT(EXT_pixel_buffer_object
);
482 EXTRA_EXT(ARB_vertex_program
);
483 EXTRA_EXT2(NV_point_sprite
, ARB_point_sprite
);
484 EXTRA_EXT2(ARB_vertex_program
, ARB_fragment_program
);
485 EXTRA_EXT(ARB_color_buffer_float
);
486 EXTRA_EXT(EXT_framebuffer_sRGB
);
487 EXTRA_EXT(OES_EGL_image_external
);
488 EXTRA_EXT(ARB_blend_func_extended
);
489 EXTRA_EXT(ARB_uniform_buffer_object
);
490 EXTRA_EXT(ARB_timer_query
);
491 EXTRA_EXT2(ARB_texture_cube_map_array
, OES_texture_cube_map_array
);
492 EXTRA_EXT(ARB_texture_buffer_range
);
493 EXTRA_EXT(ARB_texture_multisample
);
494 EXTRA_EXT(ARB_texture_gather
);
495 EXTRA_EXT(ARB_shader_atomic_counters
);
496 EXTRA_EXT(ARB_draw_indirect
);
497 EXTRA_EXT(ARB_shader_image_load_store
);
498 EXTRA_EXT(ARB_query_buffer_object
);
499 EXTRA_EXT2(ARB_transform_feedback3
, ARB_gpu_shader5
);
500 EXTRA_EXT(INTEL_performance_query
);
501 EXTRA_EXT(ARB_explicit_uniform_location
);
502 EXTRA_EXT(ARB_clip_control
);
503 EXTRA_EXT(ARB_polygon_offset_clamp
);
504 EXTRA_EXT(ARB_framebuffer_no_attachments
);
505 EXTRA_EXT(ARB_tessellation_shader
);
506 EXTRA_EXT(ARB_shader_storage_buffer_object
);
507 EXTRA_EXT(ARB_indirect_parameters
);
508 EXTRA_EXT(ATI_meminfo
);
509 EXTRA_EXT(NVX_gpu_memory_info
);
510 EXTRA_EXT(ARB_cull_distance
);
511 EXTRA_EXT(EXT_window_rectangles
);
512 EXTRA_EXT(KHR_blend_equation_advanced_coherent
);
513 EXTRA_EXT(OES_primitive_bounding_box
);
514 EXTRA_EXT(ARB_compute_variable_group_size
);
515 EXTRA_EXT(KHR_robustness
);
516 EXTRA_EXT(ARB_sparse_buffer
);
517 EXTRA_EXT(NV_conservative_raster
);
518 EXTRA_EXT(NV_conservative_raster_dilate
);
519 EXTRA_EXT(NV_conservative_raster_pre_snap_triangles
);
520 EXTRA_EXT(ARB_sample_locations
);
521 EXTRA_EXT(AMD_framebuffer_multisample_advanced
);
524 extra_ARB_color_buffer_float_or_glcore
[] = {
525 EXT(ARB_color_buffer_float
),
531 extra_NV_primitive_restart
[] = {
532 EXT(NV_primitive_restart
),
536 static const int extra_version_30
[] = { EXTRA_VERSION_30
, EXTRA_END
};
537 static const int extra_version_31
[] = { EXTRA_VERSION_31
, EXTRA_END
};
538 static const int extra_version_32
[] = { EXTRA_VERSION_32
, EXTRA_END
};
539 static const int extra_version_43
[] = { EXTRA_VERSION_43
, EXTRA_END
};
541 static const int extra_gl30_es3
[] = {
547 static const int extra_gl32_es3
[] = {
553 static const int extra_version_32_OES_geometry_shader
[] = {
559 static const int extra_gl40_ARB_sample_shading
[] = {
561 EXT(ARB_sample_shading
),
566 extra_ARB_vertex_program_api_es2
[] = {
567 EXT(ARB_vertex_program
),
572 /* The ReadBuffer get token is valid under either full GL or under
573 * GLES2 if the NV_read_buffer extension is available. */
575 extra_NV_read_buffer_api_gl
[] = {
581 static const int extra_core_ARB_color_buffer_float_and_new_buffers
[] = {
583 EXT(ARB_color_buffer_float
),
588 static const int extra_EXT_shader_framebuffer_fetch
[] = {
591 EXT(EXT_shader_framebuffer_fetch
),
595 static const int extra_EXT_provoking_vertex_32
[] = {
596 EXTRA_EXT_PROVOKING_VERTEX_32
,
600 static const int extra_EXT_disjoint_timer_query
[] = {
603 EXT(EXT_disjoint_timer_query
),
608 /* This is the big table describing all the enums we accept in
609 * glGet*v(). The table is partitioned into six parts: enums
610 * understood by all GL APIs (OpenGL, GLES and GLES2), enums shared
611 * between OpenGL and GLES, enums exclusive to GLES, etc for the
612 * remaining combinations. To look up the enums valid in a given API
613 * we will use a hash table specific to that API. These tables are in
614 * turn generated at build time and included through get_hash.h.
617 #include "get_hash.h"
619 /* All we need now is a way to look up the value struct from the enum.
620 * The code generated by gcc for the old generated big switch
621 * statement is a big, balanced, open coded if/else tree, essentially
622 * an unrolled binary search. It would be natural to sort the new
623 * enum table and use bsearch(), but we will use a read-only hash
624 * table instead. bsearch() has a nice guaranteed worst case
625 * performance, but we're also guaranteed to hit that worst case
626 * (log2(n) iterations) for about half the enums. Instead, using an
627 * open addressing hash table, we can find the enum on the first try
628 * for 80% of the enums, 1 collision for 10% and never more than 5
629 * collisions for any enum (typical numbers). And the code is very
630 * simple, even though it feels a little magic. */
633 * Handle irregular enums
635 * Some values don't conform to the "well-known type at context
636 * pointer + offset" pattern, so we have this function to catch all
637 * the corner cases. Typically, it's a computed value or a one-off
638 * pointer to a custom struct or something.
640 * In this case we can't return a pointer to the value, so we'll have
641 * to use the temporary variable 'v' declared back in the calling
642 * glGet*v() function to store the result.
644 * \param ctx the current context
645 * \param d the struct value_desc that describes the enum
646 * \param v pointer to the tmp declared in the calling glGet*v() function
649 find_custom_value(struct gl_context
*ctx
, const struct value_desc
*d
, union value
*v
)
651 struct gl_buffer_object
**buffer_obj
;
652 struct gl_array_attributes
*array
;
656 case GL_MAJOR_VERSION
:
657 v
->value_int
= ctx
->Version
/ 10;
659 case GL_MINOR_VERSION
:
660 v
->value_int
= ctx
->Version
% 10;
666 case GL_TEXTURE_CUBE_MAP
:
667 case GL_TEXTURE_RECTANGLE_NV
:
668 case GL_TEXTURE_EXTERNAL_OES
:
669 v
->value_bool
= _mesa_IsEnabled(d
->pname
);
672 case GL_LINE_STIPPLE_PATTERN
:
673 /* This is the only GLushort, special case it here by promoting
674 * to an int rather than introducing a new type. */
675 v
->value_int
= ctx
->Line
.StipplePattern
;
678 case GL_CURRENT_RASTER_TEXTURE_COORDS
:
679 unit
= ctx
->Texture
.CurrentUnit
;
680 v
->value_float_4
[0] = ctx
->Current
.RasterTexCoords
[unit
][0];
681 v
->value_float_4
[1] = ctx
->Current
.RasterTexCoords
[unit
][1];
682 v
->value_float_4
[2] = ctx
->Current
.RasterTexCoords
[unit
][2];
683 v
->value_float_4
[3] = ctx
->Current
.RasterTexCoords
[unit
][3];
686 case GL_CURRENT_TEXTURE_COORDS
:
687 unit
= ctx
->Texture
.CurrentUnit
;
688 v
->value_float_4
[0] = ctx
->Current
.Attrib
[VERT_ATTRIB_TEX0
+ unit
][0];
689 v
->value_float_4
[1] = ctx
->Current
.Attrib
[VERT_ATTRIB_TEX0
+ unit
][1];
690 v
->value_float_4
[2] = ctx
->Current
.Attrib
[VERT_ATTRIB_TEX0
+ unit
][2];
691 v
->value_float_4
[3] = ctx
->Current
.Attrib
[VERT_ATTRIB_TEX0
+ unit
][3];
694 case GL_COLOR_WRITEMASK
:
695 v
->value_int_4
[0] = GET_COLORMASK_BIT(ctx
->Color
.ColorMask
, 0, 0);
696 v
->value_int_4
[1] = GET_COLORMASK_BIT(ctx
->Color
.ColorMask
, 0, 1);
697 v
->value_int_4
[2] = GET_COLORMASK_BIT(ctx
->Color
.ColorMask
, 0, 2);
698 v
->value_int_4
[3] = GET_COLORMASK_BIT(ctx
->Color
.ColorMask
, 0, 3);
702 v
->value_bool
= ctx
->Transform
.DepthClampNear
|| ctx
->Transform
.DepthClampFar
;
706 v
->value_bool
= ctx
->Current
.Attrib
[VERT_ATTRIB_EDGEFLAG
][0] == 1.0F
;
710 v
->value_enum
= ctx
->ReadBuffer
->ColorReadBuffer
;
713 case GL_MAP2_GRID_DOMAIN
:
714 v
->value_float_4
[0] = ctx
->Eval
.MapGrid2u1
;
715 v
->value_float_4
[1] = ctx
->Eval
.MapGrid2u2
;
716 v
->value_float_4
[2] = ctx
->Eval
.MapGrid2v1
;
717 v
->value_float_4
[3] = ctx
->Eval
.MapGrid2v2
;
720 case GL_TEXTURE_STACK_DEPTH
:
721 unit
= ctx
->Texture
.CurrentUnit
;
722 v
->value_int
= ctx
->TextureMatrixStack
[unit
].Depth
+ 1;
724 case GL_TEXTURE_MATRIX
:
725 unit
= ctx
->Texture
.CurrentUnit
;
726 v
->value_matrix
= ctx
->TextureMatrixStack
[unit
].Top
;
729 case GL_TEXTURE_COORD_ARRAY
:
730 case GL_TEXTURE_COORD_ARRAY_SIZE
:
731 case GL_TEXTURE_COORD_ARRAY_TYPE
:
732 case GL_TEXTURE_COORD_ARRAY_STRIDE
:
733 array
= &ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_TEX(ctx
->Array
.ActiveTexture
)];
734 v
->value_int
= *(GLuint
*) ((char *) array
+ d
->offset
);
737 case GL_ACTIVE_TEXTURE_ARB
:
738 v
->value_int
= GL_TEXTURE0_ARB
+ ctx
->Texture
.CurrentUnit
;
740 case GL_CLIENT_ACTIVE_TEXTURE_ARB
:
741 v
->value_int
= GL_TEXTURE0_ARB
+ ctx
->Array
.ActiveTexture
;
744 case GL_MODELVIEW_STACK_DEPTH
:
745 case GL_PROJECTION_STACK_DEPTH
:
746 v
->value_int
= *(GLint
*) ((char *) ctx
+ d
->offset
) + 1;
749 case GL_MAX_TEXTURE_SIZE
:
750 case GL_MAX_3D_TEXTURE_SIZE
:
751 case GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB
:
752 p
= (GLuint
*) ((char *) ctx
+ d
->offset
);
753 v
->value_int
= 1 << (*p
- 1);
757 v
->value_int_4
[0] = ctx
->Scissor
.ScissorArray
[0].X
;
758 v
->value_int_4
[1] = ctx
->Scissor
.ScissorArray
[0].Y
;
759 v
->value_int_4
[2] = ctx
->Scissor
.ScissorArray
[0].Width
;
760 v
->value_int_4
[3] = ctx
->Scissor
.ScissorArray
[0].Height
;
763 case GL_SCISSOR_TEST
:
764 v
->value_bool
= ctx
->Scissor
.EnableFlags
& 1;
769 ctx
->ListState
.CurrentList
? ctx
->ListState
.CurrentList
->Name
: 0;
772 if (!ctx
->CompileFlag
)
774 else if (ctx
->ExecuteFlag
)
775 v
->value_enum
= GL_COMPILE_AND_EXECUTE
;
777 v
->value_enum
= GL_COMPILE
;
781 v
->value_float_4
[0] = ctx
->ViewportArray
[0].X
;
782 v
->value_float_4
[1] = ctx
->ViewportArray
[0].Y
;
783 v
->value_float_4
[2] = ctx
->ViewportArray
[0].Width
;
784 v
->value_float_4
[3] = ctx
->ViewportArray
[0].Height
;
788 v
->value_double_2
[0] = ctx
->ViewportArray
[0].Near
;
789 v
->value_double_2
[1] = ctx
->ViewportArray
[0].Far
;
792 case GL_ACTIVE_STENCIL_FACE_EXT
:
793 v
->value_enum
= ctx
->Stencil
.ActiveFace
? GL_BACK
: GL_FRONT
;
796 case GL_STENCIL_FAIL
:
797 v
->value_enum
= ctx
->Stencil
.FailFunc
[ctx
->Stencil
.ActiveFace
];
799 case GL_STENCIL_FUNC
:
800 v
->value_enum
= ctx
->Stencil
.Function
[ctx
->Stencil
.ActiveFace
];
802 case GL_STENCIL_PASS_DEPTH_FAIL
:
803 v
->value_enum
= ctx
->Stencil
.ZFailFunc
[ctx
->Stencil
.ActiveFace
];
805 case GL_STENCIL_PASS_DEPTH_PASS
:
806 v
->value_enum
= ctx
->Stencil
.ZPassFunc
[ctx
->Stencil
.ActiveFace
];
809 v
->value_int
= _mesa_get_stencil_ref(ctx
, ctx
->Stencil
.ActiveFace
);
811 case GL_STENCIL_BACK_REF
:
812 v
->value_int
= _mesa_get_stencil_ref(ctx
, 1);
814 case GL_STENCIL_VALUE_MASK
:
815 v
->value_int
= ctx
->Stencil
.ValueMask
[ctx
->Stencil
.ActiveFace
];
817 case GL_STENCIL_WRITEMASK
:
818 v
->value_int
= ctx
->Stencil
.WriteMask
[ctx
->Stencil
.ActiveFace
];
821 case GL_NUM_EXTENSIONS
:
822 v
->value_int
= _mesa_get_extension_count(ctx
);
825 case GL_IMPLEMENTATION_COLOR_READ_TYPE_OES
:
826 v
->value_int
= _mesa_get_color_read_type(ctx
, NULL
, "glGetIntegerv");
828 case GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES
:
829 v
->value_int
= _mesa_get_color_read_format(ctx
, NULL
, "glGetIntegerv");
832 case GL_CURRENT_MATRIX_STACK_DEPTH_ARB
:
833 v
->value_int
= ctx
->CurrentStack
->Depth
+ 1;
835 case GL_CURRENT_MATRIX_ARB
:
836 case GL_TRANSPOSE_CURRENT_MATRIX_ARB
:
837 v
->value_matrix
= ctx
->CurrentStack
->Top
;
840 case GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB
:
841 v
->value_int
= _mesa_get_compressed_formats(ctx
, NULL
);
843 case GL_COMPRESSED_TEXTURE_FORMATS_ARB
:
845 _mesa_get_compressed_formats(ctx
, v
->value_int_n
.ints
);
846 assert(v
->value_int_n
.n
<= (int) ARRAY_SIZE(v
->value_int_n
.ints
));
849 case GL_MAX_VARYING_FLOATS_ARB
:
850 v
->value_int
= ctx
->Const
.MaxVarying
* 4;
853 /* Various object names */
855 case GL_TEXTURE_BINDING_1D
:
856 case GL_TEXTURE_BINDING_2D
:
857 case GL_TEXTURE_BINDING_3D
:
858 case GL_TEXTURE_BINDING_1D_ARRAY_EXT
:
859 case GL_TEXTURE_BINDING_2D_ARRAY_EXT
:
860 case GL_TEXTURE_BINDING_CUBE_MAP_ARB
:
861 case GL_TEXTURE_BINDING_RECTANGLE_NV
:
862 case GL_TEXTURE_BINDING_EXTERNAL_OES
:
863 case GL_TEXTURE_BINDING_CUBE_MAP_ARRAY
:
864 case GL_TEXTURE_BINDING_2D_MULTISAMPLE
:
865 case GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY
:
866 unit
= ctx
->Texture
.CurrentUnit
;
868 ctx
->Texture
.Unit
[unit
].CurrentTex
[d
->offset
]->Name
;
871 /* GL_EXT_external_objects */
872 case GL_DRIVER_UUID_EXT
:
873 _mesa_get_driver_uuid(ctx
, v
->value_int_4
);
875 case GL_DEVICE_UUID_EXT
:
876 _mesa_get_device_uuid(ctx
, v
->value_int_4
);
879 /* GL_EXT_packed_float */
880 case GL_RGBA_SIGNED_COMPONENTS_EXT
:
882 /* Note: we only check the 0th color attachment. */
883 const struct gl_renderbuffer
*rb
=
884 ctx
->DrawBuffer
->_ColorDrawBuffers
[0];
885 if (rb
&& _mesa_is_format_signed(rb
->Format
)) {
886 /* Issue 17 of GL_EXT_packed_float: If a component (such as
887 * alpha) has zero bits, the component should not be considered
888 * signed and so the bit for the respective component should be
892 _mesa_get_format_bits(rb
->Format
, GL_RED_BITS
);
894 _mesa_get_format_bits(rb
->Format
, GL_GREEN_BITS
);
896 _mesa_get_format_bits(rb
->Format
, GL_BLUE_BITS
);
898 _mesa_get_format_bits(rb
->Format
, GL_ALPHA_BITS
);
900 _mesa_get_format_bits(rb
->Format
, GL_TEXTURE_LUMINANCE_SIZE
);
902 _mesa_get_format_bits(rb
->Format
, GL_TEXTURE_INTENSITY_SIZE
);
904 v
->value_int_4
[0] = r_bits
+ l_bits
+ i_bits
> 0;
905 v
->value_int_4
[1] = g_bits
+ l_bits
+ i_bits
> 0;
906 v
->value_int_4
[2] = b_bits
+ l_bits
+ i_bits
> 0;
907 v
->value_int_4
[3] = a_bits
+ i_bits
> 0;
913 v
->value_int_4
[3] = 0;
918 /* GL_ARB_vertex_buffer_object */
919 case GL_VERTEX_ARRAY_BUFFER_BINDING_ARB
:
920 case GL_NORMAL_ARRAY_BUFFER_BINDING_ARB
:
921 case GL_COLOR_ARRAY_BUFFER_BINDING_ARB
:
922 case GL_INDEX_ARRAY_BUFFER_BINDING_ARB
:
923 case GL_EDGE_FLAG_ARRAY_BUFFER_BINDING_ARB
:
924 case GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING_ARB
:
925 case GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING_ARB
:
926 buffer_obj
= (struct gl_buffer_object
**)
927 ((char *) ctx
->Array
.VAO
+ d
->offset
);
928 v
->value_int
= (*buffer_obj
)->Name
;
930 case GL_ARRAY_BUFFER_BINDING_ARB
:
931 v
->value_int
= ctx
->Array
.ArrayBufferObj
->Name
;
933 case GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING_ARB
:
935 ctx
->Array
.VAO
->BufferBinding
[VERT_ATTRIB_TEX(ctx
->Array
.ActiveTexture
)].BufferObj
->Name
;
937 case GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB
:
938 v
->value_int
= ctx
->Array
.VAO
->IndexBufferObj
->Name
;
941 /* ARB_vertex_array_bgra */
942 case GL_COLOR_ARRAY_SIZE
:
943 array
= &ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_COLOR0
];
944 v
->value_int
= array
->Format
== GL_BGRA
? GL_BGRA
: array
->Size
;
946 case GL_SECONDARY_COLOR_ARRAY_SIZE
:
947 array
= &ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_COLOR1
];
948 v
->value_int
= array
->Format
== GL_BGRA
? GL_BGRA
: array
->Size
;
951 /* ARB_copy_buffer */
952 case GL_COPY_READ_BUFFER
:
953 v
->value_int
= ctx
->CopyReadBuffer
->Name
;
955 case GL_COPY_WRITE_BUFFER
:
956 v
->value_int
= ctx
->CopyWriteBuffer
->Name
;
959 case GL_PIXEL_PACK_BUFFER_BINDING_EXT
:
960 v
->value_int
= ctx
->Pack
.BufferObj
->Name
;
962 case GL_PIXEL_UNPACK_BUFFER_BINDING_EXT
:
963 v
->value_int
= ctx
->Unpack
.BufferObj
->Name
;
965 case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING
:
966 v
->value_int
= ctx
->TransformFeedback
.CurrentBuffer
->Name
;
968 case GL_TRANSFORM_FEEDBACK_BUFFER_PAUSED
:
969 v
->value_int
= ctx
->TransformFeedback
.CurrentObject
->Paused
;
971 case GL_TRANSFORM_FEEDBACK_BUFFER_ACTIVE
:
972 v
->value_int
= ctx
->TransformFeedback
.CurrentObject
->Active
;
974 case GL_TRANSFORM_FEEDBACK_BINDING
:
975 v
->value_int
= ctx
->TransformFeedback
.CurrentObject
->Name
;
977 case GL_CURRENT_PROGRAM
:
978 /* The Changelog of the ARB_separate_shader_objects spec says:
980 * 24 25 Jul 2011 pbrown Remove the language erroneously deleting
981 * CURRENT_PROGRAM. In the EXT extension, this
982 * token was aliased to ACTIVE_PROGRAM_EXT, and
983 * was used to indicate the last program set by
984 * either ActiveProgramEXT or UseProgram. In
985 * the ARB extension, the SSO active programs
986 * are now program pipeline object state and
987 * CURRENT_PROGRAM should still be used to query
988 * the last program set by UseProgram (bug 7822).
991 ctx
->Shader
.ActiveProgram
? ctx
->Shader
.ActiveProgram
->Name
: 0;
993 case GL_READ_FRAMEBUFFER_BINDING_EXT
:
994 v
->value_int
= ctx
->ReadBuffer
->Name
;
996 case GL_RENDERBUFFER_BINDING_EXT
:
998 ctx
->CurrentRenderbuffer
? ctx
->CurrentRenderbuffer
->Name
: 0;
1000 case GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES
:
1001 v
->value_int
= ctx
->Array
.VAO
->BufferBinding
[VERT_ATTRIB_POINT_SIZE
].BufferObj
->Name
;
1005 if (_mesa_get_clamp_fragment_color(ctx
, ctx
->DrawBuffer
))
1006 COPY_4FV(v
->value_float_4
, ctx
->Fog
.Color
);
1008 COPY_4FV(v
->value_float_4
, ctx
->Fog
.ColorUnclamped
);
1010 case GL_COLOR_CLEAR_VALUE
:
1011 if (_mesa_get_clamp_fragment_color(ctx
, ctx
->DrawBuffer
)) {
1012 v
->value_float_4
[0] = CLAMP(ctx
->Color
.ClearColor
.f
[0], 0.0F
, 1.0F
);
1013 v
->value_float_4
[1] = CLAMP(ctx
->Color
.ClearColor
.f
[1], 0.0F
, 1.0F
);
1014 v
->value_float_4
[2] = CLAMP(ctx
->Color
.ClearColor
.f
[2], 0.0F
, 1.0F
);
1015 v
->value_float_4
[3] = CLAMP(ctx
->Color
.ClearColor
.f
[3], 0.0F
, 1.0F
);
1017 COPY_4FV(v
->value_float_4
, ctx
->Color
.ClearColor
.f
);
1019 case GL_BLEND_COLOR_EXT
:
1020 if (_mesa_get_clamp_fragment_color(ctx
, ctx
->DrawBuffer
))
1021 COPY_4FV(v
->value_float_4
, ctx
->Color
.BlendColor
);
1023 COPY_4FV(v
->value_float_4
, ctx
->Color
.BlendColorUnclamped
);
1025 case GL_ALPHA_TEST_REF
:
1026 if (_mesa_get_clamp_fragment_color(ctx
, ctx
->DrawBuffer
))
1027 v
->value_float
= ctx
->Color
.AlphaRef
;
1029 v
->value_float
= ctx
->Color
.AlphaRefUnclamped
;
1031 case GL_MAX_VERTEX_UNIFORM_VECTORS
:
1032 v
->value_int
= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxUniformComponents
/ 4;
1035 case GL_MAX_FRAGMENT_UNIFORM_VECTORS
:
1036 v
->value_int
= ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxUniformComponents
/ 4;
1039 /* GL_ARB_texture_buffer_object */
1040 case GL_TEXTURE_BUFFER_ARB
:
1041 v
->value_int
= ctx
->Texture
.BufferObject
->Name
;
1043 case GL_TEXTURE_BINDING_BUFFER_ARB
:
1044 unit
= ctx
->Texture
.CurrentUnit
;
1046 ctx
->Texture
.Unit
[unit
].CurrentTex
[TEXTURE_BUFFER_INDEX
]->Name
;
1048 case GL_TEXTURE_BUFFER_DATA_STORE_BINDING_ARB
:
1050 struct gl_buffer_object
*buf
=
1051 ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
]
1052 .CurrentTex
[TEXTURE_BUFFER_INDEX
]->BufferObject
;
1053 v
->value_int
= buf
? buf
->Name
: 0;
1056 case GL_TEXTURE_BUFFER_FORMAT_ARB
:
1057 v
->value_int
= ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
]
1058 .CurrentTex
[TEXTURE_BUFFER_INDEX
]->BufferObjectFormat
;
1061 /* GL_ARB_sampler_objects */
1062 case GL_SAMPLER_BINDING
:
1064 struct gl_sampler_object
*samp
=
1065 ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
].Sampler
;
1066 v
->value_int
= samp
? samp
->Name
: 0;
1069 /* GL_ARB_uniform_buffer_object */
1070 case GL_UNIFORM_BUFFER_BINDING
:
1071 v
->value_int
= ctx
->UniformBuffer
->Name
;
1073 /* GL_ARB_shader_storage_buffer_object */
1074 case GL_SHADER_STORAGE_BUFFER_BINDING
:
1075 v
->value_int
= ctx
->ShaderStorageBuffer
->Name
;
1077 /* GL_ARB_query_buffer_object */
1078 case GL_QUERY_BUFFER_BINDING
:
1079 v
->value_int
= ctx
->QueryBuffer
->Name
;
1081 /* GL_ARB_timer_query */
1083 if (ctx
->Driver
.GetTimestamp
) {
1084 v
->value_int64
= ctx
->Driver
.GetTimestamp(ctx
);
1087 _mesa_problem(ctx
, "driver doesn't implement GetTimestamp");
1091 case GL_DEBUG_OUTPUT
:
1092 case GL_DEBUG_OUTPUT_SYNCHRONOUS
:
1093 case GL_DEBUG_LOGGED_MESSAGES
:
1094 case GL_DEBUG_NEXT_LOGGED_MESSAGE_LENGTH
:
1095 case GL_DEBUG_GROUP_STACK_DEPTH
:
1096 v
->value_int
= _mesa_get_debug_state_int(ctx
, d
->pname
);
1098 /* GL_ARB_shader_atomic_counters */
1099 case GL_ATOMIC_COUNTER_BUFFER_BINDING
:
1100 if (ctx
->AtomicBuffer
) {
1101 v
->value_int
= ctx
->AtomicBuffer
->Name
;
1107 case GL_NUM_SHADING_LANGUAGE_VERSIONS
:
1108 v
->value_int
= _mesa_get_shading_language_version(ctx
, -1, NULL
);
1110 /* GL_ARB_draw_indirect */
1111 case GL_DRAW_INDIRECT_BUFFER_BINDING
:
1112 v
->value_int
= ctx
->DrawIndirectBuffer
->Name
;
1114 /* GL_ARB_indirect_parameters */
1115 case GL_PARAMETER_BUFFER_BINDING_ARB
:
1116 v
->value_int
= ctx
->ParameterBuffer
->Name
;
1118 /* GL_ARB_separate_shader_objects */
1119 case GL_PROGRAM_PIPELINE_BINDING
:
1120 if (ctx
->Pipeline
.Current
) {
1121 v
->value_int
= ctx
->Pipeline
.Current
->Name
;
1126 /* GL_ARB_compute_shader */
1127 case GL_DISPATCH_INDIRECT_BUFFER_BINDING
:
1128 v
->value_int
= ctx
->DispatchIndirectBuffer
->Name
;
1130 /* GL_ARB_multisample */
1132 v
->value_int
= _mesa_geometric_samples(ctx
->DrawBuffer
);
1134 case GL_SAMPLE_BUFFERS
:
1135 v
->value_int
= _mesa_geometric_samples(ctx
->DrawBuffer
) > 0;
1137 /* GL_EXT_textrue_integer */
1138 case GL_RGBA_INTEGER_MODE_EXT
:
1139 v
->value_int
= (ctx
->DrawBuffer
->_IntegerBuffers
!= 0);
1141 /* GL_ATI_meminfo & GL_NVX_gpu_memory_info */
1142 case GL_VBO_FREE_MEMORY_ATI
:
1143 case GL_TEXTURE_FREE_MEMORY_ATI
:
1144 case GL_RENDERBUFFER_FREE_MEMORY_ATI
:
1145 case GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX
:
1146 case GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX
:
1147 case GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX
:
1148 case GL_GPU_MEMORY_INFO_EVICTION_COUNT_NVX
:
1149 case GL_GPU_MEMORY_INFO_EVICTED_MEMORY_NVX
:
1151 struct gl_memory_info info
;
1153 ctx
->Driver
.QueryMemoryInfo(ctx
, &info
);
1155 if (d
->pname
== GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX
)
1156 v
->value_int
= info
.total_device_memory
;
1157 else if (d
->pname
== GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX
)
1158 v
->value_int
= info
.total_device_memory
+
1159 info
.total_staging_memory
;
1160 else if (d
->pname
== GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX
)
1161 v
->value_int
= info
.avail_device_memory
;
1162 else if (d
->pname
== GL_GPU_MEMORY_INFO_EVICTION_COUNT_NVX
)
1163 v
->value_int
= info
.nr_device_memory_evictions
;
1164 else if (d
->pname
== GL_GPU_MEMORY_INFO_EVICTED_MEMORY_NVX
)
1165 v
->value_int
= info
.device_memory_evicted
;
1167 /* ATI free memory enums.
1169 * Since the GPU memory is (usually) page-table based, every two
1170 * consecutive elements are equal. From the GL_ATI_meminfo
1173 * "param[0] - total memory free in the pool
1174 * param[1] - largest available free block in the pool
1175 * param[2] - total auxiliary memory free
1176 * param[3] - largest auxiliary free block"
1178 * All three (VBO, TEXTURE, RENDERBUFFER) queries return
1179 * the same numbers here.
1181 v
->value_int_4
[0] = info
.avail_device_memory
;
1182 v
->value_int_4
[1] = info
.avail_device_memory
;
1183 v
->value_int_4
[2] = info
.avail_staging_memory
;
1184 v
->value_int_4
[3] = info
.avail_staging_memory
;
1189 /* GL_ARB_get_program_binary */
1190 case GL_PROGRAM_BINARY_FORMATS
:
1191 assert(ctx
->Const
.NumProgramBinaryFormats
<= 1);
1192 v
->value_int_n
.n
= MIN2(ctx
->Const
.NumProgramBinaryFormats
, 1);
1193 if (ctx
->Const
.NumProgramBinaryFormats
> 0) {
1194 v
->value_int_n
.ints
[0] = GL_PROGRAM_BINARY_FORMAT_MESA
;
1197 /* GL_EXT_disjoint_timer_query */
1198 case GL_GPU_DISJOINT_EXT
:
1200 simple_mtx_lock(&ctx
->Shared
->Mutex
);
1201 v
->value_int
= ctx
->Shared
->DisjointOperation
;
1202 /* Reset state as expected by the spec. */
1203 ctx
->Shared
->DisjointOperation
= false;
1204 simple_mtx_unlock(&ctx
->Shared
->Mutex
);
1207 /* GL_ARB_sample_locations */
1208 case GL_SAMPLE_LOCATION_SUBPIXEL_BITS_ARB
:
1209 case GL_SAMPLE_LOCATION_PIXEL_GRID_WIDTH_ARB
:
1210 case GL_SAMPLE_LOCATION_PIXEL_GRID_HEIGHT_ARB
:
1212 GLuint bits
, width
, height
;
1214 if (ctx
->NewState
& _NEW_BUFFERS
)
1215 _mesa_update_state(ctx
);
1217 if (ctx
->DrawBuffer
->_Status
!= GL_FRAMEBUFFER_COMPLETE
) {
1222 ctx
->Driver
.GetProgrammableSampleCaps(ctx
, ctx
->DrawBuffer
,
1223 &bits
, &width
, &height
);
1225 if (d
->pname
== GL_SAMPLE_LOCATION_PIXEL_GRID_WIDTH_ARB
)
1226 v
->value_uint
= width
;
1227 else if (d
->pname
== GL_SAMPLE_LOCATION_PIXEL_GRID_HEIGHT_ARB
)
1228 v
->value_uint
= height
;
1230 v
->value_uint
= bits
;
1233 case GL_PROGRAMMABLE_SAMPLE_LOCATION_TABLE_SIZE_ARB
:
1234 v
->value_uint
= MAX_SAMPLE_LOCATION_TABLE_SIZE
;
1237 /* GL_AMD_framebuffer_multisample_advanced */
1238 case GL_SUPPORTED_MULTISAMPLE_MODES_AMD
:
1239 v
->value_int_n
.n
= ctx
->Const
.NumSupportedMultisampleModes
* 3;
1240 memcpy(v
->value_int_n
.ints
, ctx
->Const
.SupportedMultisampleModes
,
1241 v
->value_int_n
.n
* sizeof(GLint
));
1247 * Check extra constraints on a struct value_desc descriptor
1249 * If a struct value_desc has a non-NULL extra pointer, it means that
1250 * there are a number of extra constraints to check or actions to
1251 * perform. The extras is just an integer array where each integer
1252 * encode different constraints or actions.
1254 * \param ctx current context
1255 * \param func name of calling glGet*v() function for error reporting
1256 * \param d the struct value_desc that has the extra constraints
1258 * \return GL_FALSE if all of the constraints were not satisfied,
1259 * otherwise GL_TRUE.
1262 check_extra(struct gl_context
*ctx
, const char *func
, const struct value_desc
*d
)
1264 const GLuint version
= ctx
->Version
;
1265 GLboolean api_check
= GL_FALSE
;
1266 GLboolean api_found
= GL_FALSE
;
1269 for (e
= d
->extra
; *e
!= EXTRA_END
; e
++) {
1271 case EXTRA_VERSION_30
:
1272 api_check
= GL_TRUE
;
1274 api_found
= GL_TRUE
;
1276 case EXTRA_VERSION_31
:
1277 api_check
= GL_TRUE
;
1279 api_found
= GL_TRUE
;
1281 case EXTRA_VERSION_32
:
1282 api_check
= GL_TRUE
;
1284 api_found
= GL_TRUE
;
1286 case EXTRA_VERSION_40
:
1287 api_check
= GL_TRUE
;
1289 api_found
= GL_TRUE
;
1291 case EXTRA_VERSION_43
:
1293 if (_mesa_is_desktop_gl(ctx
) && version
>= 43)
1294 api_found
= GL_TRUE
;
1296 case EXTRA_NEW_FRAG_CLAMP
:
1297 if (ctx
->NewState
& (_NEW_BUFFERS
| _NEW_FRAG_CLAMP
))
1298 _mesa_update_state(ctx
);
1301 api_check
= GL_TRUE
;
1302 if (ctx
->API
== API_OPENGLES2
)
1303 api_found
= GL_TRUE
;
1306 api_check
= GL_TRUE
;
1307 if (_mesa_is_gles3(ctx
))
1308 api_found
= GL_TRUE
;
1310 case EXTRA_API_ES31
:
1311 api_check
= GL_TRUE
;
1312 if (_mesa_is_gles31(ctx
))
1313 api_found
= GL_TRUE
;
1315 case EXTRA_API_ES32
:
1316 api_check
= GL_TRUE
;
1317 if (_mesa_is_gles32(ctx
))
1318 api_found
= GL_TRUE
;
1321 api_check
= GL_TRUE
;
1322 if (_mesa_is_desktop_gl(ctx
))
1323 api_found
= GL_TRUE
;
1325 case EXTRA_API_GL_CORE
:
1326 api_check
= GL_TRUE
;
1327 if (ctx
->API
== API_OPENGL_CORE
)
1328 api_found
= GL_TRUE
;
1330 case EXTRA_NEW_BUFFERS
:
1331 if (ctx
->NewState
& _NEW_BUFFERS
)
1332 _mesa_update_state(ctx
);
1334 case EXTRA_FLUSH_CURRENT
:
1335 FLUSH_CURRENT(ctx
, 0);
1337 case EXTRA_VALID_DRAW_BUFFER
:
1338 if (d
->pname
- GL_DRAW_BUFFER0_ARB
>= ctx
->Const
.MaxDrawBuffers
) {
1339 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(draw buffer %u)",
1340 func
, d
->pname
- GL_DRAW_BUFFER0_ARB
);
1344 case EXTRA_VALID_TEXTURE_UNIT
:
1345 if (ctx
->Texture
.CurrentUnit
>= ctx
->Const
.MaxTextureCoordUnits
) {
1346 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(texture %u)",
1347 func
, ctx
->Texture
.CurrentUnit
);
1351 case EXTRA_VALID_CLIP_DISTANCE
:
1352 if (d
->pname
- GL_CLIP_DISTANCE0
>= ctx
->Const
.MaxClipPlanes
) {
1353 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(clip distance %u)",
1354 func
, d
->pname
- GL_CLIP_DISTANCE0
);
1358 case EXTRA_GLSL_130
:
1359 api_check
= GL_TRUE
;
1360 if (ctx
->Const
.GLSLVersion
>= 130)
1361 api_found
= GL_TRUE
;
1363 case EXTRA_EXT_UBO_GS
:
1364 api_check
= GL_TRUE
;
1365 if (ctx
->Extensions
.ARB_uniform_buffer_object
&&
1366 _mesa_has_geometry_shaders(ctx
))
1367 api_found
= GL_TRUE
;
1369 case EXTRA_EXT_ATOMICS_GS
:
1370 api_check
= GL_TRUE
;
1371 if (ctx
->Extensions
.ARB_shader_atomic_counters
&&
1372 _mesa_has_geometry_shaders(ctx
))
1373 api_found
= GL_TRUE
;
1375 case EXTRA_EXT_SHADER_IMAGE_GS
:
1376 api_check
= GL_TRUE
;
1377 if (ctx
->Extensions
.ARB_shader_image_load_store
&&
1378 _mesa_has_geometry_shaders(ctx
))
1379 api_found
= GL_TRUE
;
1381 case EXTRA_EXT_ATOMICS_TESS
:
1382 api_check
= GL_TRUE
;
1383 api_found
= ctx
->Extensions
.ARB_shader_atomic_counters
&&
1384 _mesa_has_tessellation(ctx
);
1386 case EXTRA_EXT_SHADER_IMAGE_TESS
:
1387 api_check
= GL_TRUE
;
1388 api_found
= ctx
->Extensions
.ARB_shader_image_load_store
&&
1389 _mesa_has_tessellation(ctx
);
1391 case EXTRA_EXT_SSBO_GS
:
1392 api_check
= GL_TRUE
;
1393 if (ctx
->Extensions
.ARB_shader_storage_buffer_object
&&
1394 _mesa_has_geometry_shaders(ctx
))
1395 api_found
= GL_TRUE
;
1397 case EXTRA_EXT_FB_NO_ATTACH_GS
:
1398 api_check
= GL_TRUE
;
1399 if (ctx
->Extensions
.ARB_framebuffer_no_attachments
&&
1400 (_mesa_is_desktop_gl(ctx
) ||
1401 _mesa_has_OES_geometry_shader(ctx
)))
1402 api_found
= GL_TRUE
;
1404 case EXTRA_EXT_ES_GS
:
1405 api_check
= GL_TRUE
;
1406 if (_mesa_has_OES_geometry_shader(ctx
))
1407 api_found
= GL_TRUE
;
1409 case EXTRA_EXT_PROVOKING_VERTEX_32
:
1411 if (ctx
->API
== API_OPENGL_COMPAT
|| version
== 32)
1412 api_found
= ctx
->Extensions
.EXT_provoking_vertex
;
1416 default: /* *e is a offset into the extension struct */
1417 api_check
= GL_TRUE
;
1418 if (*(GLboolean
*) ((char *) &ctx
->Extensions
+ *e
))
1419 api_found
= GL_TRUE
;
1424 if (api_check
&& !api_found
) {
1425 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(pname=%s)", func
,
1426 _mesa_enum_to_string(d
->pname
));
1433 static const struct value_desc error_value
=
1434 { 0, 0, TYPE_INVALID
, NO_OFFSET
, NO_EXTRA
};
1437 * Find the struct value_desc corresponding to the enum 'pname'.
1439 * We hash the enum value to get an index into the 'table' array,
1440 * which holds the index in the 'values' array of struct value_desc.
1441 * Once we've found the entry, we do the extra checks, if any, then
1442 * look up the value and return a pointer to it.
1444 * If the value has to be computed (for example, it's the result of a
1445 * function call or we need to add 1 to it), we use the tmp 'v' to
1448 * \param func name of glGet*v() func for error reporting
1449 * \param pname the enum value we're looking up
1450 * \param p is were we return the pointer to the value
1451 * \param v a tmp union value variable in the calling glGet*v() function
1453 * \return the struct value_desc corresponding to the enum or a struct
1454 * value_desc of TYPE_INVALID if not found. This lets the calling
1455 * glGet*v() function jump right into a switch statement and
1456 * handle errors there instead of having to check for NULL.
1458 static const struct value_desc
*
1459 find_value(const char *func
, GLenum pname
, void **p
, union value
*v
)
1461 GET_CURRENT_CONTEXT(ctx
);
1463 const struct value_desc
*d
;
1467 /* We index into the table_set[] list of per-API hash tables using the API's
1468 * value in the gl_api enum. Since GLES 3 doesn't have an API_OPENGL* enum
1469 * value since it's compatible with GLES2 its entry in table_set[] is at the
1472 STATIC_ASSERT(ARRAY_SIZE(table_set
) == API_OPENGL_LAST
+ 4);
1473 if (ctx
->API
== API_OPENGLES2
) {
1474 if (ctx
->Version
>= 32)
1475 api
= API_OPENGL_LAST
+ 3;
1476 else if (ctx
->Version
>= 31)
1477 api
= API_OPENGL_LAST
+ 2;
1478 else if (ctx
->Version
>= 30)
1479 api
= API_OPENGL_LAST
+ 1;
1481 mask
= ARRAY_SIZE(table(api
)) - 1;
1482 hash
= (pname
* prime_factor
);
1484 int idx
= table(api
)[hash
& mask
];
1486 /* If the enum isn't valid, the hash walk ends with index 0,
1487 * pointing to the first entry of values[] which doesn't hold
1488 * any valid enum. */
1489 if (unlikely(idx
== 0)) {
1490 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(pname=%s)", func
,
1491 _mesa_enum_to_string(pname
));
1492 return &error_value
;
1496 if (likely(d
->pname
== pname
))
1502 if (unlikely(d
->extra
&& !check_extra(ctx
, func
, d
)))
1503 return &error_value
;
1505 switch (d
->location
) {
1507 *p
= ((char *) ctx
->DrawBuffer
+ d
->offset
);
1510 *p
= ((char *) ctx
+ d
->offset
);
1513 *p
= ((char *) ctx
->Array
.VAO
+ d
->offset
);
1516 if (ctx
->Texture
.CurrentUnit
< ARRAY_SIZE(ctx
->Texture
.FixedFuncUnit
)) {
1517 unsigned index
= ctx
->Texture
.CurrentUnit
;
1518 *p
= ((char *)&ctx
->Texture
.FixedFuncUnit
[index
] + d
->offset
);
1522 find_custom_value(ctx
, d
, v
);
1530 /* silence warning */
1531 return &error_value
;
1534 static const int transpose
[] = {
1542 get_value_size(enum value_type type
, const union value
*v
)
1550 return sizeof(GLint
);
1553 return sizeof(GLint
) * 2;
1556 return sizeof(GLint
) * 3;
1559 return sizeof(GLint
) * 4;
1561 return sizeof(GLint
) * v
->value_int_n
.n
;
1563 return sizeof(GLint64
);
1566 return sizeof(GLenum16
);
1568 return sizeof(GLenum
);
1570 return sizeof(GLenum
) * 2;
1572 return sizeof(GLboolean
);
1574 return sizeof(GLubyte
);
1576 return sizeof(GLshort
);
1588 return sizeof(GLfloat
);
1591 return sizeof(GLfloat
) * 2;
1594 return sizeof(GLfloat
) * 3;
1597 return sizeof(GLfloat
) * 4;
1599 return sizeof(GLfloat
) * 8;
1601 return sizeof(GLdouble
);
1602 case TYPE_DOUBLEN_2
:
1603 return sizeof(GLdouble
) * 2;
1605 return sizeof (GLfloat
) * 16;
1607 return sizeof (GLfloat
) * 16;
1614 _mesa_GetBooleanv(GLenum pname
, GLboolean
*params
)
1616 const struct value_desc
*d
;
1622 d
= find_value("glGetBooleanv", pname
, &p
, &v
);
1627 params
[0] = INT_TO_BOOLEAN(d
->offset
);
1631 params
[7] = FLOAT_TO_BOOLEAN(((GLfloat
*) p
)[7]);
1632 params
[6] = FLOAT_TO_BOOLEAN(((GLfloat
*) p
)[6]);
1633 params
[5] = FLOAT_TO_BOOLEAN(((GLfloat
*) p
)[5]);
1634 params
[4] = FLOAT_TO_BOOLEAN(((GLfloat
*) p
)[4]);
1637 params
[3] = FLOAT_TO_BOOLEAN(((GLfloat
*) p
)[3]);
1640 params
[2] = FLOAT_TO_BOOLEAN(((GLfloat
*) p
)[2]);
1643 params
[1] = FLOAT_TO_BOOLEAN(((GLfloat
*) p
)[1]);
1646 params
[0] = FLOAT_TO_BOOLEAN(((GLfloat
*) p
)[0]);
1649 case TYPE_DOUBLEN_2
:
1650 params
[1] = FLOAT_TO_BOOLEAN(((GLdouble
*) p
)[1]);
1652 params
[0] = FLOAT_TO_BOOLEAN(((GLdouble
*) p
)[0]);
1657 params
[3] = INT_TO_BOOLEAN(((GLint
*) p
)[3]);
1660 params
[2] = INT_TO_BOOLEAN(((GLint
*) p
)[2]);
1664 params
[1] = INT_TO_BOOLEAN(((GLint
*) p
)[1]);
1668 params
[0] = INT_TO_BOOLEAN(((GLint
*) p
)[0]);
1672 params
[0] = INT_TO_BOOLEAN(((GLenum16
*) p
)[0]);
1676 for (i
= 0; i
< v
.value_int_n
.n
; i
++)
1677 params
[i
] = INT_TO_BOOLEAN(v
.value_int_n
.ints
[i
]);
1681 params
[0] = INT64_TO_BOOLEAN(((GLint64
*) p
)[0]);
1685 params
[0] = ((GLboolean
*) p
)[0];
1689 params
[0] = INT_TO_BOOLEAN(((GLubyte
*) p
)[0]);
1693 params
[0] = INT_TO_BOOLEAN(((GLshort
*) p
)[0]);
1697 m
= *(GLmatrix
**) p
;
1698 for (i
= 0; i
< 16; i
++)
1699 params
[i
] = FLOAT_TO_BOOLEAN(m
->m
[i
]);
1703 m
= *(GLmatrix
**) p
;
1704 for (i
= 0; i
< 16; i
++)
1705 params
[i
] = FLOAT_TO_BOOLEAN(m
->m
[transpose
[i
]]);
1716 shift
= d
->type
- TYPE_BIT_0
;
1717 params
[0] = (*(GLbitfield
*) p
>> shift
) & 1;
1723 _mesa_GetFloatv(GLenum pname
, GLfloat
*params
)
1725 const struct value_desc
*d
;
1731 d
= find_value("glGetFloatv", pname
, &p
, &v
);
1736 params
[0] = (GLfloat
) d
->offset
;
1740 params
[7] = ((GLfloat
*) p
)[7];
1741 params
[6] = ((GLfloat
*) p
)[6];
1742 params
[5] = ((GLfloat
*) p
)[5];
1743 params
[4] = ((GLfloat
*) p
)[4];
1746 params
[3] = ((GLfloat
*) p
)[3];
1749 params
[2] = ((GLfloat
*) p
)[2];
1752 params
[1] = ((GLfloat
*) p
)[1];
1755 params
[0] = ((GLfloat
*) p
)[0];
1758 case TYPE_DOUBLEN_2
:
1759 params
[1] = (GLfloat
) (((GLdouble
*) p
)[1]);
1761 params
[0] = (GLfloat
) (((GLdouble
*) p
)[0]);
1765 params
[3] = (GLfloat
) (((GLint
*) p
)[3]);
1767 params
[2] = (GLfloat
) (((GLint
*) p
)[2]);
1770 params
[1] = (GLfloat
) (((GLint
*) p
)[1]);
1773 params
[0] = (GLfloat
) (((GLint
*) p
)[0]);
1777 params
[0] = (GLfloat
) (((GLenum16
*) p
)[0]);
1781 for (i
= 0; i
< v
.value_int_n
.n
; i
++)
1782 params
[i
] = (GLfloat
) v
.value_int_n
.ints
[i
];
1786 params
[3] = (GLfloat
) (((GLuint
*) p
)[3]);
1788 params
[2] = (GLfloat
) (((GLuint
*) p
)[2]);
1790 params
[1] = (GLfloat
) (((GLuint
*) p
)[1]);
1792 params
[0] = (GLfloat
) (((GLuint
*) p
)[0]);
1796 params
[0] = (GLfloat
) (((GLint64
*) p
)[0]);
1800 params
[0] = BOOLEAN_TO_FLOAT(*(GLboolean
*) p
);
1804 params
[0] = (GLfloat
) ((GLubyte
*) p
)[0];
1808 params
[0] = (GLfloat
) ((GLshort
*) p
)[0];
1812 m
= *(GLmatrix
**) p
;
1813 for (i
= 0; i
< 16; i
++)
1814 params
[i
] = m
->m
[i
];
1818 m
= *(GLmatrix
**) p
;
1819 for (i
= 0; i
< 16; i
++)
1820 params
[i
] = m
->m
[transpose
[i
]];
1831 shift
= d
->type
- TYPE_BIT_0
;
1832 params
[0] = BOOLEAN_TO_FLOAT((*(GLbitfield
*) p
>> shift
) & 1);
1838 _mesa_GetIntegerv(GLenum pname
, GLint
*params
)
1840 const struct value_desc
*d
;
1846 d
= find_value("glGetIntegerv", pname
, &p
, &v
);
1851 params
[0] = d
->offset
;
1855 params
[7] = IROUND(((GLfloat
*) p
)[7]);
1856 params
[6] = IROUND(((GLfloat
*) p
)[6]);
1857 params
[5] = IROUND(((GLfloat
*) p
)[5]);
1858 params
[4] = IROUND(((GLfloat
*) p
)[4]);
1860 params
[3] = IROUND(((GLfloat
*) p
)[3]);
1862 params
[2] = IROUND(((GLfloat
*) p
)[2]);
1864 params
[1] = IROUND(((GLfloat
*) p
)[1]);
1866 params
[0] = IROUND(((GLfloat
*) p
)[0]);
1870 params
[3] = FLOAT_TO_INT(((GLfloat
*) p
)[3]);
1872 params
[2] = FLOAT_TO_INT(((GLfloat
*) p
)[2]);
1874 params
[1] = FLOAT_TO_INT(((GLfloat
*) p
)[1]);
1876 params
[0] = FLOAT_TO_INT(((GLfloat
*) p
)[0]);
1879 case TYPE_DOUBLEN_2
:
1880 params
[1] = FLOAT_TO_INT(((GLdouble
*) p
)[1]);
1882 params
[0] = FLOAT_TO_INT(((GLdouble
*) p
)[0]);
1887 params
[3] = ((GLint
*) p
)[3];
1890 params
[2] = ((GLint
*) p
)[2];
1894 params
[1] = ((GLint
*) p
)[1];
1898 params
[0] = ((GLint
*) p
)[0];
1902 params
[0] = ((GLenum16
*) p
)[0];
1906 for (i
= 0; i
< v
.value_int_n
.n
; i
++)
1907 params
[i
] = v
.value_int_n
.ints
[i
];
1911 params
[0] = INT64_TO_INT(((GLint64
*) p
)[0]);
1915 params
[0] = BOOLEAN_TO_INT(*(GLboolean
*) p
);
1919 params
[0] = ((GLubyte
*) p
)[0];
1923 params
[0] = ((GLshort
*) p
)[0];
1927 m
= *(GLmatrix
**) p
;
1928 for (i
= 0; i
< 16; i
++)
1929 params
[i
] = FLOAT_TO_INT(m
->m
[i
]);
1933 m
= *(GLmatrix
**) p
;
1934 for (i
= 0; i
< 16; i
++)
1935 params
[i
] = FLOAT_TO_INT(m
->m
[transpose
[i
]]);
1946 shift
= d
->type
- TYPE_BIT_0
;
1947 params
[0] = (*(GLbitfield
*) p
>> shift
) & 1;
1953 _mesa_GetInteger64v(GLenum pname
, GLint64
*params
)
1955 const struct value_desc
*d
;
1961 d
= find_value("glGetInteger64v", pname
, &p
, &v
);
1966 params
[0] = d
->offset
;
1970 params
[7] = IROUND64(((GLfloat
*) p
)[7]);
1971 params
[6] = IROUND64(((GLfloat
*) p
)[6]);
1972 params
[5] = IROUND64(((GLfloat
*) p
)[5]);
1973 params
[4] = IROUND64(((GLfloat
*) p
)[4]);
1975 params
[3] = IROUND64(((GLfloat
*) p
)[3]);
1977 params
[2] = IROUND64(((GLfloat
*) p
)[2]);
1979 params
[1] = IROUND64(((GLfloat
*) p
)[1]);
1981 params
[0] = IROUND64(((GLfloat
*) p
)[0]);
1985 params
[3] = FLOAT_TO_INT(((GLfloat
*) p
)[3]);
1987 params
[2] = FLOAT_TO_INT(((GLfloat
*) p
)[2]);
1989 params
[1] = FLOAT_TO_INT(((GLfloat
*) p
)[1]);
1991 params
[0] = FLOAT_TO_INT(((GLfloat
*) p
)[0]);
1994 case TYPE_DOUBLEN_2
:
1995 params
[1] = FLOAT_TO_INT(((GLdouble
*) p
)[1]);
1997 params
[0] = FLOAT_TO_INT(((GLdouble
*) p
)[0]);
2001 params
[3] = ((GLint
*) p
)[3];
2003 params
[2] = ((GLint
*) p
)[2];
2006 params
[1] = ((GLint
*) p
)[1];
2009 params
[0] = ((GLint
*) p
)[0];
2013 params
[0] = ((GLenum16
*) p
)[0];
2017 for (i
= 0; i
< v
.value_int_n
.n
; i
++)
2018 params
[i
] = v
.value_int_n
.ints
[i
];
2022 params
[3] = ((GLuint
*) p
)[3];
2024 params
[2] = ((GLuint
*) p
)[2];
2026 params
[1] = ((GLuint
*) p
)[1];
2028 params
[0] = ((GLuint
*) p
)[0];
2032 params
[0] = ((GLint64
*) p
)[0];
2036 params
[0] = ((GLboolean
*) p
)[0];
2040 m
= *(GLmatrix
**) p
;
2041 for (i
= 0; i
< 16; i
++)
2042 params
[i
] = FLOAT_TO_INT64(m
->m
[i
]);
2046 m
= *(GLmatrix
**) p
;
2047 for (i
= 0; i
< 16; i
++)
2048 params
[i
] = FLOAT_TO_INT64(m
->m
[transpose
[i
]]);
2059 shift
= d
->type
- TYPE_BIT_0
;
2060 params
[0] = (*(GLbitfield
*) p
>> shift
) & 1;
2066 _mesa_GetDoublev(GLenum pname
, GLdouble
*params
)
2068 const struct value_desc
*d
;
2074 d
= find_value("glGetDoublev", pname
, &p
, &v
);
2079 params
[0] = d
->offset
;
2083 params
[7] = ((GLfloat
*) p
)[7];
2084 params
[6] = ((GLfloat
*) p
)[6];
2085 params
[5] = ((GLfloat
*) p
)[5];
2086 params
[4] = ((GLfloat
*) p
)[4];
2089 params
[3] = ((GLfloat
*) p
)[3];
2092 params
[2] = ((GLfloat
*) p
)[2];
2095 params
[1] = ((GLfloat
*) p
)[1];
2098 params
[0] = ((GLfloat
*) p
)[0];
2101 case TYPE_DOUBLEN_2
:
2102 params
[1] = ((GLdouble
*) p
)[1];
2104 params
[0] = ((GLdouble
*) p
)[0];
2108 params
[3] = ((GLint
*) p
)[3];
2110 params
[2] = ((GLint
*) p
)[2];
2113 params
[1] = ((GLint
*) p
)[1];
2116 params
[0] = ((GLint
*) p
)[0];
2120 params
[0] = ((GLenum16
*) p
)[0];
2124 for (i
= 0; i
< v
.value_int_n
.n
; i
++)
2125 params
[i
] = v
.value_int_n
.ints
[i
];
2129 params
[3] = ((GLuint
*) p
)[3];
2131 params
[2] = ((GLuint
*) p
)[2];
2133 params
[1] = ((GLuint
*) p
)[1];
2135 params
[0] = ((GLuint
*) p
)[0];
2139 params
[0] = (GLdouble
) (((GLint64
*) p
)[0]);
2143 params
[0] = *(GLboolean
*) p
;
2147 params
[0] = ((GLubyte
*) p
)[0];
2151 params
[0] = ((GLshort
*) p
)[0];
2155 m
= *(GLmatrix
**) p
;
2156 for (i
= 0; i
< 16; i
++)
2157 params
[i
] = m
->m
[i
];
2161 m
= *(GLmatrix
**) p
;
2162 for (i
= 0; i
< 16; i
++)
2163 params
[i
] = m
->m
[transpose
[i
]];
2174 shift
= d
->type
- TYPE_BIT_0
;
2175 params
[0] = (*(GLbitfield
*) p
>> shift
) & 1;
2181 _mesa_GetUnsignedBytevEXT(GLenum pname
, GLubyte
*data
)
2183 const struct value_desc
*d
;
2188 const char *func
= "glGetUnsignedBytevEXT";
2190 GET_CURRENT_CONTEXT(ctx
);
2192 if (!ctx
->Extensions
.EXT_memory_object
) {
2193 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(unsupported)", func
);
2197 d
= find_value(func
, pname
, &p
, &v
);
2198 size
= get_value_size(d
->type
, &v
);
2200 _mesa_problem(ctx
, "invalid value type in GetUnsignedBytevEXT()");
2212 shift
= d
->type
- TYPE_BIT_0
;
2213 data
[0] = (*(GLbitfield
*) p
>> shift
) & 1;
2216 memcpy(data
, &d
->offset
, size
);
2219 memcpy(data
, &v
.value_int_n
.ints
, size
);
2245 case TYPE_DOUBLEN_2
:
2248 memcpy(data
, p
, size
);
2251 GLenum e
= *(GLenum16
*)p
;
2252 memcpy(data
, &e
, sizeof(e
));
2256 break; /* nothing - GL error was recorded */
2261 * Convert a GL texture binding enum such as GL_TEXTURE_BINDING_2D
2262 * into the corresponding Mesa texture target index.
2263 * \return TEXTURE_x_INDEX or -1 if binding is invalid
2266 tex_binding_to_index(const struct gl_context
*ctx
, GLenum binding
)
2269 case GL_TEXTURE_BINDING_1D
:
2270 return _mesa_is_desktop_gl(ctx
) ? TEXTURE_1D_INDEX
: -1;
2271 case GL_TEXTURE_BINDING_2D
:
2272 return TEXTURE_2D_INDEX
;
2273 case GL_TEXTURE_BINDING_3D
:
2274 return ctx
->API
!= API_OPENGLES
? TEXTURE_3D_INDEX
: -1;
2275 case GL_TEXTURE_BINDING_CUBE_MAP
:
2276 return ctx
->Extensions
.ARB_texture_cube_map
2277 ? TEXTURE_CUBE_INDEX
: -1;
2278 case GL_TEXTURE_BINDING_RECTANGLE
:
2279 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.NV_texture_rectangle
2280 ? TEXTURE_RECT_INDEX
: -1;
2281 case GL_TEXTURE_BINDING_1D_ARRAY
:
2282 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
2283 ? TEXTURE_1D_ARRAY_INDEX
: -1;
2284 case GL_TEXTURE_BINDING_2D_ARRAY
:
2285 return (_mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.EXT_texture_array
)
2286 || _mesa_is_gles3(ctx
)
2287 ? TEXTURE_2D_ARRAY_INDEX
: -1;
2288 case GL_TEXTURE_BINDING_BUFFER
:
2289 return (_mesa_has_ARB_texture_buffer_object(ctx
) ||
2290 _mesa_has_OES_texture_buffer(ctx
)) ?
2291 TEXTURE_BUFFER_INDEX
: -1;
2292 case GL_TEXTURE_BINDING_CUBE_MAP_ARRAY
:
2293 return _mesa_has_texture_cube_map_array(ctx
)
2294 ? TEXTURE_CUBE_ARRAY_INDEX
: -1;
2295 case GL_TEXTURE_BINDING_2D_MULTISAMPLE
:
2296 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.ARB_texture_multisample
2297 ? TEXTURE_2D_MULTISAMPLE_INDEX
: -1;
2298 case GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY
:
2299 return _mesa_is_desktop_gl(ctx
) && ctx
->Extensions
.ARB_texture_multisample
2300 ? TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX
: -1;
2306 static enum value_type
2307 find_value_indexed(const char *func
, GLenum pname
, GLuint index
, union value
*v
)
2309 GET_CURRENT_CONTEXT(ctx
);
2314 if (index
>= ctx
->Const
.MaxDrawBuffers
)
2316 if (!ctx
->Extensions
.EXT_draw_buffers2
)
2318 v
->value_int
= (ctx
->Color
.BlendEnabled
>> index
) & 1;
2323 case GL_BLEND_SRC_RGB
:
2324 if (index
>= ctx
->Const
.MaxDrawBuffers
)
2326 if (!ctx
->Extensions
.ARB_draw_buffers_blend
)
2328 v
->value_int
= ctx
->Color
.Blend
[index
].SrcRGB
;
2330 case GL_BLEND_SRC_ALPHA
:
2331 if (index
>= ctx
->Const
.MaxDrawBuffers
)
2333 if (!ctx
->Extensions
.ARB_draw_buffers_blend
)
2335 v
->value_int
= ctx
->Color
.Blend
[index
].SrcA
;
2339 case GL_BLEND_DST_RGB
:
2340 if (index
>= ctx
->Const
.MaxDrawBuffers
)
2342 if (!ctx
->Extensions
.ARB_draw_buffers_blend
)
2344 v
->value_int
= ctx
->Color
.Blend
[index
].DstRGB
;
2346 case GL_BLEND_DST_ALPHA
:
2347 if (index
>= ctx
->Const
.MaxDrawBuffers
)
2349 if (!ctx
->Extensions
.ARB_draw_buffers_blend
)
2351 v
->value_int
= ctx
->Color
.Blend
[index
].DstA
;
2353 case GL_BLEND_EQUATION_RGB
:
2354 if (index
>= ctx
->Const
.MaxDrawBuffers
)
2356 if (!ctx
->Extensions
.ARB_draw_buffers_blend
)
2358 v
->value_int
= ctx
->Color
.Blend
[index
].EquationRGB
;
2360 case GL_BLEND_EQUATION_ALPHA
:
2361 if (index
>= ctx
->Const
.MaxDrawBuffers
)
2363 if (!ctx
->Extensions
.ARB_draw_buffers_blend
)
2365 v
->value_int
= ctx
->Color
.Blend
[index
].EquationA
;
2368 case GL_COLOR_WRITEMASK
:
2369 if (index
>= ctx
->Const
.MaxDrawBuffers
)
2371 if (!ctx
->Extensions
.EXT_draw_buffers2
)
2373 v
->value_int_4
[0] = GET_COLORMASK_BIT(ctx
->Color
.ColorMask
, index
, 0);
2374 v
->value_int_4
[1] = GET_COLORMASK_BIT(ctx
->Color
.ColorMask
, index
, 1);
2375 v
->value_int_4
[2] = GET_COLORMASK_BIT(ctx
->Color
.ColorMask
, index
, 2);
2376 v
->value_int_4
[3] = GET_COLORMASK_BIT(ctx
->Color
.ColorMask
, index
, 3);
2379 case GL_SCISSOR_BOX
:
2380 if (index
>= ctx
->Const
.MaxViewports
)
2382 v
->value_int_4
[0] = ctx
->Scissor
.ScissorArray
[index
].X
;
2383 v
->value_int_4
[1] = ctx
->Scissor
.ScissorArray
[index
].Y
;
2384 v
->value_int_4
[2] = ctx
->Scissor
.ScissorArray
[index
].Width
;
2385 v
->value_int_4
[3] = ctx
->Scissor
.ScissorArray
[index
].Height
;
2388 case GL_WINDOW_RECTANGLE_EXT
:
2389 if (!ctx
->Extensions
.EXT_window_rectangles
)
2391 if (index
>= ctx
->Const
.MaxWindowRectangles
)
2393 v
->value_int_4
[0] = ctx
->Scissor
.WindowRects
[index
].X
;
2394 v
->value_int_4
[1] = ctx
->Scissor
.WindowRects
[index
].Y
;
2395 v
->value_int_4
[2] = ctx
->Scissor
.WindowRects
[index
].Width
;
2396 v
->value_int_4
[3] = ctx
->Scissor
.WindowRects
[index
].Height
;
2400 if (index
>= ctx
->Const
.MaxViewports
)
2402 v
->value_float_4
[0] = ctx
->ViewportArray
[index
].X
;
2403 v
->value_float_4
[1] = ctx
->ViewportArray
[index
].Y
;
2404 v
->value_float_4
[2] = ctx
->ViewportArray
[index
].Width
;
2405 v
->value_float_4
[3] = ctx
->ViewportArray
[index
].Height
;
2406 return TYPE_FLOAT_4
;
2408 case GL_DEPTH_RANGE
:
2409 if (index
>= ctx
->Const
.MaxViewports
)
2411 v
->value_double_2
[0] = ctx
->ViewportArray
[index
].Near
;
2412 v
->value_double_2
[1] = ctx
->ViewportArray
[index
].Far
;
2413 return TYPE_DOUBLEN_2
;
2415 case GL_TRANSFORM_FEEDBACK_BUFFER_START
:
2416 if (index
>= ctx
->Const
.MaxTransformFeedbackBuffers
)
2418 if (!ctx
->Extensions
.EXT_transform_feedback
)
2420 v
->value_int64
= ctx
->TransformFeedback
.CurrentObject
->Offset
[index
];
2423 case GL_TRANSFORM_FEEDBACK_BUFFER_SIZE
:
2424 if (index
>= ctx
->Const
.MaxTransformFeedbackBuffers
)
2426 if (!ctx
->Extensions
.EXT_transform_feedback
)
2429 = ctx
->TransformFeedback
.CurrentObject
->RequestedSize
[index
];
2432 case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING
:
2433 if (index
>= ctx
->Const
.MaxTransformFeedbackBuffers
)
2435 if (!ctx
->Extensions
.EXT_transform_feedback
)
2437 v
->value_int
= ctx
->TransformFeedback
.CurrentObject
->BufferNames
[index
];
2440 case GL_UNIFORM_BUFFER_BINDING
:
2441 if (index
>= ctx
->Const
.MaxUniformBufferBindings
)
2443 if (!ctx
->Extensions
.ARB_uniform_buffer_object
)
2445 v
->value_int
= ctx
->UniformBufferBindings
[index
].BufferObject
->Name
;
2448 case GL_UNIFORM_BUFFER_START
:
2449 if (index
>= ctx
->Const
.MaxUniformBufferBindings
)
2451 if (!ctx
->Extensions
.ARB_uniform_buffer_object
)
2453 v
->value_int
= ctx
->UniformBufferBindings
[index
].Offset
< 0 ? 0 :
2454 ctx
->UniformBufferBindings
[index
].Offset
;
2457 case GL_UNIFORM_BUFFER_SIZE
:
2458 if (index
>= ctx
->Const
.MaxUniformBufferBindings
)
2460 if (!ctx
->Extensions
.ARB_uniform_buffer_object
)
2462 v
->value_int
= ctx
->UniformBufferBindings
[index
].Size
< 0 ? 0 :
2463 ctx
->UniformBufferBindings
[index
].Size
;
2466 /* ARB_shader_storage_buffer_object */
2467 case GL_SHADER_STORAGE_BUFFER_BINDING
:
2468 if (!ctx
->Extensions
.ARB_shader_storage_buffer_object
)
2470 if (index
>= ctx
->Const
.MaxShaderStorageBufferBindings
)
2472 v
->value_int
= ctx
->ShaderStorageBufferBindings
[index
].BufferObject
->Name
;
2475 case GL_SHADER_STORAGE_BUFFER_START
:
2476 if (!ctx
->Extensions
.ARB_shader_storage_buffer_object
)
2478 if (index
>= ctx
->Const
.MaxShaderStorageBufferBindings
)
2480 v
->value_int
= ctx
->ShaderStorageBufferBindings
[index
].Offset
< 0 ? 0 :
2481 ctx
->ShaderStorageBufferBindings
[index
].Offset
;
2484 case GL_SHADER_STORAGE_BUFFER_SIZE
:
2485 if (!ctx
->Extensions
.ARB_shader_storage_buffer_object
)
2487 if (index
>= ctx
->Const
.MaxShaderStorageBufferBindings
)
2489 v
->value_int
= ctx
->ShaderStorageBufferBindings
[index
].Size
< 0 ? 0 :
2490 ctx
->ShaderStorageBufferBindings
[index
].Size
;
2493 /* ARB_texture_multisample / GL3.2 */
2494 case GL_SAMPLE_MASK_VALUE
:
2497 if (!ctx
->Extensions
.ARB_texture_multisample
)
2499 v
->value_int
= ctx
->Multisample
.SampleMaskValue
;
2502 case GL_ATOMIC_COUNTER_BUFFER_BINDING
:
2503 if (!ctx
->Extensions
.ARB_shader_atomic_counters
)
2505 if (index
>= ctx
->Const
.MaxAtomicBufferBindings
)
2507 v
->value_int
= ctx
->AtomicBufferBindings
[index
].BufferObject
->Name
;
2510 case GL_ATOMIC_COUNTER_BUFFER_START
:
2511 if (!ctx
->Extensions
.ARB_shader_atomic_counters
)
2513 if (index
>= ctx
->Const
.MaxAtomicBufferBindings
)
2515 v
->value_int64
= ctx
->AtomicBufferBindings
[index
].Offset
< 0 ? 0 :
2516 ctx
->AtomicBufferBindings
[index
].Offset
;
2519 case GL_ATOMIC_COUNTER_BUFFER_SIZE
:
2520 if (!ctx
->Extensions
.ARB_shader_atomic_counters
)
2522 if (index
>= ctx
->Const
.MaxAtomicBufferBindings
)
2524 v
->value_int64
= ctx
->AtomicBufferBindings
[index
].Size
< 0 ? 0 :
2525 ctx
->AtomicBufferBindings
[index
].Size
;
2528 case GL_VERTEX_BINDING_DIVISOR
:
2529 if ((!_mesa_is_desktop_gl(ctx
) || !ctx
->Extensions
.ARB_instanced_arrays
) &&
2530 !_mesa_is_gles31(ctx
))
2532 if (index
>= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
)
2534 v
->value_int
= ctx
->Array
.VAO
->BufferBinding
[VERT_ATTRIB_GENERIC(index
)].InstanceDivisor
;
2537 case GL_VERTEX_BINDING_OFFSET
:
2538 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles31(ctx
))
2540 if (index
>= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
)
2542 v
->value_int
= ctx
->Array
.VAO
->BufferBinding
[VERT_ATTRIB_GENERIC(index
)].Offset
;
2545 case GL_VERTEX_BINDING_STRIDE
:
2546 if (!_mesa_is_desktop_gl(ctx
) && !_mesa_is_gles31(ctx
))
2548 if (index
>= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
)
2550 v
->value_int
= ctx
->Array
.VAO
->BufferBinding
[VERT_ATTRIB_GENERIC(index
)].Stride
;
2553 case GL_VERTEX_BINDING_BUFFER
:
2554 if (ctx
->API
== API_OPENGLES2
&& ctx
->Version
< 31)
2556 if (index
>= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
)
2558 v
->value_int
= ctx
->Array
.VAO
->BufferBinding
[VERT_ATTRIB_GENERIC(index
)].BufferObj
->Name
;
2561 /* ARB_shader_image_load_store */
2562 case GL_IMAGE_BINDING_NAME
: {
2563 struct gl_texture_object
*t
;
2565 if (!ctx
->Extensions
.ARB_shader_image_load_store
)
2567 if (index
>= ctx
->Const
.MaxImageUnits
)
2570 t
= ctx
->ImageUnits
[index
].TexObj
;
2571 v
->value_int
= (t
? t
->Name
: 0);
2575 case GL_IMAGE_BINDING_LEVEL
:
2576 if (!ctx
->Extensions
.ARB_shader_image_load_store
)
2578 if (index
>= ctx
->Const
.MaxImageUnits
)
2581 v
->value_int
= ctx
->ImageUnits
[index
].Level
;
2584 case GL_IMAGE_BINDING_LAYERED
:
2585 if (!ctx
->Extensions
.ARB_shader_image_load_store
)
2587 if (index
>= ctx
->Const
.MaxImageUnits
)
2590 v
->value_int
= ctx
->ImageUnits
[index
].Layered
;
2593 case GL_IMAGE_BINDING_LAYER
:
2594 if (!ctx
->Extensions
.ARB_shader_image_load_store
)
2596 if (index
>= ctx
->Const
.MaxImageUnits
)
2599 v
->value_int
= ctx
->ImageUnits
[index
].Layer
;
2602 case GL_IMAGE_BINDING_ACCESS
:
2603 if (!ctx
->Extensions
.ARB_shader_image_load_store
)
2605 if (index
>= ctx
->Const
.MaxImageUnits
)
2608 v
->value_int
= ctx
->ImageUnits
[index
].Access
;
2611 case GL_IMAGE_BINDING_FORMAT
:
2612 if (!ctx
->Extensions
.ARB_shader_image_load_store
)
2614 if (index
>= ctx
->Const
.MaxImageUnits
)
2617 v
->value_int
= ctx
->ImageUnits
[index
].Format
;
2620 /* ARB_direct_state_access */
2621 case GL_TEXTURE_BINDING_1D
:
2622 case GL_TEXTURE_BINDING_1D_ARRAY
:
2623 case GL_TEXTURE_BINDING_2D
:
2624 case GL_TEXTURE_BINDING_2D_ARRAY
:
2625 case GL_TEXTURE_BINDING_2D_MULTISAMPLE
:
2626 case GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY
:
2627 case GL_TEXTURE_BINDING_3D
:
2628 case GL_TEXTURE_BINDING_BUFFER
:
2629 case GL_TEXTURE_BINDING_CUBE_MAP
:
2630 case GL_TEXTURE_BINDING_CUBE_MAP_ARRAY
:
2631 case GL_TEXTURE_BINDING_RECTANGLE
: {
2634 if (ctx
->API
!= API_OPENGL_CORE
)
2636 target
= tex_binding_to_index(ctx
, pname
);
2639 if (index
>= _mesa_max_tex_unit(ctx
))
2642 v
->value_int
= ctx
->Texture
.Unit
[index
].CurrentTex
[target
]->Name
;
2646 case GL_SAMPLER_BINDING
: {
2647 struct gl_sampler_object
*samp
;
2649 if (!_mesa_is_desktop_gl(ctx
) || ctx
->Version
< 33)
2651 if (index
>= _mesa_max_tex_unit(ctx
))
2654 samp
= ctx
->Texture
.Unit
[index
].Sampler
;
2655 v
->value_int
= samp
? samp
->Name
: 0;
2659 case GL_MAX_COMPUTE_WORK_GROUP_COUNT
:
2660 if (!_mesa_has_compute_shaders(ctx
))
2664 v
->value_int
= ctx
->Const
.MaxComputeWorkGroupCount
[index
];
2667 case GL_MAX_COMPUTE_WORK_GROUP_SIZE
:
2668 if (!_mesa_has_compute_shaders(ctx
))
2672 v
->value_int
= ctx
->Const
.MaxComputeWorkGroupSize
[index
];
2675 /* ARB_compute_variable_group_size */
2676 case GL_MAX_COMPUTE_VARIABLE_GROUP_SIZE_ARB
:
2677 if (!ctx
->Extensions
.ARB_compute_variable_group_size
)
2681 v
->value_int
= ctx
->Const
.MaxComputeVariableGroupSize
[index
];
2684 /* GL_EXT_external_objects */
2685 case GL_NUM_DEVICE_UUIDS_EXT
:
2688 case GL_DRIVER_UUID_EXT
:
2691 _mesa_get_driver_uuid(ctx
, v
->value_int_4
);
2693 case GL_DEVICE_UUID_EXT
:
2696 _mesa_get_device_uuid(ctx
, v
->value_int_4
);
2701 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(pname=%s)", func
,
2702 _mesa_enum_to_string(pname
));
2703 return TYPE_INVALID
;
2705 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(pname=%s)", func
,
2706 _mesa_enum_to_string(pname
));
2707 return TYPE_INVALID
;
2711 _mesa_GetBooleani_v( GLenum pname
, GLuint index
, GLboolean
*params
)
2714 enum value_type type
=
2715 find_value_indexed("glGetBooleani_v", pname
, index
, &v
);
2720 params
[0] = INT_TO_BOOLEAN(v
.value_int
);
2724 params
[0] = INT_TO_BOOLEAN(v
.value_int_4
[0]);
2725 params
[1] = INT_TO_BOOLEAN(v
.value_int_4
[1]);
2726 params
[2] = INT_TO_BOOLEAN(v
.value_int_4
[2]);
2727 params
[3] = INT_TO_BOOLEAN(v
.value_int_4
[3]);
2730 params
[0] = INT64_TO_BOOLEAN(v
.value_int64
);
2733 ; /* nothing - GL error was recorded */
2738 _mesa_GetIntegeri_v( GLenum pname
, GLuint index
, GLint
*params
)
2741 enum value_type type
=
2742 find_value_indexed("glGetIntegeri_v", pname
, index
, &v
);
2747 params
[3] = IROUND(v
.value_float_4
[3]);
2750 params
[2] = IROUND(v
.value_float_4
[2]);
2753 params
[1] = IROUND(v
.value_float_4
[1]);
2756 params
[0] = IROUND(v
.value_float_4
[0]);
2759 case TYPE_DOUBLEN_2
:
2760 params
[1] = IROUND(v
.value_double_2
[1]);
2762 params
[0] = IROUND(v
.value_double_2
[0]);
2767 params
[0] = v
.value_int
;
2771 params
[0] = v
.value_int_4
[0];
2772 params
[1] = v
.value_int_4
[1];
2773 params
[2] = v
.value_int_4
[2];
2774 params
[3] = v
.value_int_4
[3];
2777 params
[0] = INT64_TO_INT(v
.value_int64
);
2780 ; /* nothing - GL error was recorded */
2785 _mesa_GetInteger64i_v( GLenum pname
, GLuint index
, GLint64
*params
)
2788 enum value_type type
=
2789 find_value_indexed("glGetInteger64i_v", pname
, index
, &v
);
2793 params
[0] = v
.value_int
;
2796 params
[0] = v
.value_int_4
[0];
2797 params
[1] = v
.value_int_4
[1];
2798 params
[2] = v
.value_int_4
[2];
2799 params
[3] = v
.value_int_4
[3];
2802 params
[0] = (GLuint
) v
.value_int
;
2805 params
[0] = (GLuint
) v
.value_int_4
[0];
2806 params
[1] = (GLuint
) v
.value_int_4
[1];
2807 params
[2] = (GLuint
) v
.value_int_4
[2];
2808 params
[3] = (GLuint
) v
.value_int_4
[3];
2811 params
[0] = v
.value_int64
;
2814 ; /* nothing - GL error was recorded */
2819 _mesa_GetFloati_v(GLenum pname
, GLuint index
, GLfloat
*params
)
2824 enum value_type type
=
2825 find_value_indexed("glGetFloati_v", pname
, index
, &v
);
2830 params
[3] = v
.value_float_4
[3];
2833 params
[2] = v
.value_float_4
[2];
2836 params
[1] = v
.value_float_4
[1];
2839 params
[0] = v
.value_float_4
[0];
2842 case TYPE_DOUBLEN_2
:
2843 params
[1] = (GLfloat
) v
.value_double_2
[1];
2845 params
[0] = (GLfloat
) v
.value_double_2
[0];
2849 params
[3] = (GLfloat
) v
.value_int_4
[3];
2851 params
[2] = (GLfloat
) v
.value_int_4
[2];
2854 params
[1] = (GLfloat
) v
.value_int_4
[1];
2858 params
[0] = (GLfloat
) v
.value_int_4
[0];
2862 for (i
= 0; i
< v
.value_int_n
.n
; i
++)
2863 params
[i
] = (GLfloat
) v
.value_int_n
.ints
[i
];
2867 params
[3] = (GLfloat
) ((GLuint
) v
.value_int_4
[3]);
2869 params
[2] = (GLfloat
) ((GLuint
) v
.value_int_4
[2]);
2871 params
[1] = (GLfloat
) ((GLuint
) v
.value_int_4
[1]);
2873 params
[0] = (GLfloat
) ((GLuint
) v
.value_int_4
[0]);
2877 params
[0] = (GLfloat
) v
.value_int64
;
2881 params
[0] = BOOLEAN_TO_FLOAT(v
.value_bool
);
2885 params
[0] = (GLfloat
) v
.value_ubyte
;
2889 params
[0] = (GLfloat
) v
.value_short
;
2893 m
= *(GLmatrix
**) &v
;
2894 for (i
= 0; i
< 16; i
++)
2895 params
[i
] = m
->m
[i
];
2899 m
= *(GLmatrix
**) &v
;
2900 for (i
= 0; i
< 16; i
++)
2901 params
[i
] = m
->m
[transpose
[i
]];
2910 _mesa_GetDoublei_v(GLenum pname
, GLuint index
, GLdouble
*params
)
2915 enum value_type type
=
2916 find_value_indexed("glGetDoublei_v", pname
, index
, &v
);
2921 params
[3] = (GLdouble
) v
.value_float_4
[3];
2924 params
[2] = (GLdouble
) v
.value_float_4
[2];
2927 params
[1] = (GLdouble
) v
.value_float_4
[1];
2930 params
[0] = (GLdouble
) v
.value_float_4
[0];
2933 case TYPE_DOUBLEN_2
:
2934 params
[1] = v
.value_double_2
[1];
2936 params
[0] = v
.value_double_2
[0];
2940 params
[3] = (GLdouble
) v
.value_int_4
[3];
2942 params
[2] = (GLdouble
) v
.value_int_4
[2];
2945 params
[1] = (GLdouble
) v
.value_int_4
[1];
2949 params
[0] = (GLdouble
) v
.value_int_4
[0];
2953 for (i
= 0; i
< v
.value_int_n
.n
; i
++)
2954 params
[i
] = (GLdouble
) v
.value_int_n
.ints
[i
];
2958 params
[3] = (GLdouble
) ((GLuint
) v
.value_int_4
[3]);
2960 params
[2] = (GLdouble
) ((GLuint
) v
.value_int_4
[2]);
2962 params
[1] = (GLdouble
) ((GLuint
) v
.value_int_4
[1]);
2964 params
[0] = (GLdouble
) ((GLuint
) v
.value_int_4
[0]);
2968 params
[0] = (GLdouble
) v
.value_int64
;
2972 params
[0] = (GLdouble
) BOOLEAN_TO_FLOAT(v
.value_bool
);
2976 params
[0] = (GLdouble
) v
.value_ubyte
;
2980 params
[0] = (GLdouble
) v
.value_short
;
2984 m
= *(GLmatrix
**) &v
;
2985 for (i
= 0; i
< 16; i
++)
2986 params
[i
] = (GLdouble
) m
->m
[i
];
2990 m
= *(GLmatrix
**) &v
;
2991 for (i
= 0; i
< 16; i
++)
2992 params
[i
] = (GLdouble
) m
->m
[transpose
[i
]];
3001 _mesa_GetUnsignedBytei_vEXT(GLenum target
, GLuint index
, GLubyte
*data
)
3005 enum value_type type
;
3006 const char *func
= "glGetUnsignedBytei_vEXT";
3008 GET_CURRENT_CONTEXT(ctx
);
3010 if (!ctx
->Extensions
.EXT_memory_object
) {
3011 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(unsupported)", func
);
3015 type
= find_value_indexed(func
, target
, index
, &v
);
3016 size
= get_value_size(type
, &v
);
3018 _mesa_problem(ctx
, "invalid value type in GetUnsignedBytei_vEXT()");
3047 case TYPE_DOUBLEN_2
:
3050 memcpy(data
, &v
.value_int
, size
);
3053 memcpy(data
, &v
.value_int_n
.ints
, size
);
3056 break; /* nothing - GL error was recorded */
3061 _mesa_GetFixedv(GLenum pname
, GLfixed
*params
)
3063 const struct value_desc
*d
;
3069 d
= find_value("glGetDoublev", pname
, &p
, &v
);
3074 params
[0] = INT_TO_FIXED(d
->offset
);
3079 params
[3] = FLOAT_TO_FIXED(((GLfloat
*) p
)[3]);
3082 params
[2] = FLOAT_TO_FIXED(((GLfloat
*) p
)[2]);
3085 params
[1] = FLOAT_TO_FIXED(((GLfloat
*) p
)[1]);
3088 params
[0] = FLOAT_TO_FIXED(((GLfloat
*) p
)[0]);
3091 case TYPE_DOUBLEN_2
:
3092 params
[1] = FLOAT_TO_FIXED(((GLdouble
*) p
)[1]);
3094 params
[0] = FLOAT_TO_FIXED(((GLdouble
*) p
)[0]);
3099 params
[3] = INT_TO_FIXED(((GLint
*) p
)[3]);
3102 params
[2] = INT_TO_FIXED(((GLint
*) p
)[2]);
3106 params
[1] = INT_TO_FIXED(((GLint
*) p
)[1]);
3110 params
[0] = INT_TO_FIXED(((GLint
*) p
)[0]);
3114 params
[0] = INT_TO_FIXED((GLint
)(((GLenum16
*) p
)[0]));
3118 for (i
= 0; i
< v
.value_int_n
.n
; i
++)
3119 params
[i
] = INT_TO_FIXED(v
.value_int_n
.ints
[i
]);
3123 params
[0] = ((GLint64
*) p
)[0];
3127 params
[0] = BOOLEAN_TO_FIXED(((GLboolean
*) p
)[0]);
3131 params
[0] = INT_TO_FIXED(((GLubyte
*) p
)[0]);
3135 params
[0] = INT_TO_FIXED(((GLshort
*) p
)[0]);
3139 m
= *(GLmatrix
**) p
;
3140 for (i
= 0; i
< 16; i
++)
3141 params
[i
] = FLOAT_TO_FIXED(m
->m
[i
]);
3145 m
= *(GLmatrix
**) p
;
3146 for (i
= 0; i
< 16; i
++)
3147 params
[i
] = FLOAT_TO_FIXED(m
->m
[transpose
[i
]]);
3158 shift
= d
->type
- TYPE_BIT_0
;
3159 params
[0] = BOOLEAN_TO_FIXED((*(GLbitfield
*) p
>> shift
) & 1);