2 * Copyright (C) 2010 Brian Paul All Rights Reserved.
3 * Copyright (C) 2010 Intel Corporation
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included
13 * in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21 * OTHER DEALINGS IN THE SOFTWARE.
23 * Author: Kristian Høgsberg <krh@bitplanet.net>
32 #include "extensions.h"
37 #include "texcompress.h"
38 #include "framebuffer.h"
39 #include "samplerobj.h"
42 /* This is a table driven implemetation of the glGet*v() functions.
43 * The basic idea is that most getters just look up an int somewhere
44 * in struct gl_context and then convert it to a bool or float according to
45 * which of glGetIntegerv() glGetBooleanv() etc is being called.
46 * Instead of generating code to do this, we can just record the enum
47 * value and the offset into struct gl_context in an array of structs. Then
48 * in glGet*(), we lookup the struct for the enum in question, and use
49 * the offset to get the int we need.
51 * Sometimes we need to look up a float, a boolean, a bit in a
52 * bitfield, a matrix or other types instead, so we need to track the
53 * type of the value in struct gl_context. And sometimes the value isn't in
54 * struct gl_context but in the drawbuffer, the array object, current texture
55 * unit, or maybe it's a computed value. So we need to also track
56 * where or how to find the value. Finally, we sometimes need to
57 * check that one of a number of extensions are enabled, the GL
58 * version or flush or call _mesa_update_state(). This is done by
59 * attaching optional extra information to the value description
60 * struct, it's sort of like an array of opcodes that describe extra
63 * Putting all this together we end up with struct value_desc below,
64 * and with a couple of macros to help, the table of struct value_desc
65 * is about as concise as the specification in the old python script.
68 #define FLOAT_TO_BOOLEAN(X) ( (X) ? GL_TRUE : GL_FALSE )
69 #define FLOAT_TO_FIXED(F) ( ((F) * 65536.0f > INT_MAX) ? INT_MAX : \
70 ((F) * 65536.0f < INT_MIN) ? INT_MIN : \
71 (GLint) ((F) * 65536.0f) )
73 #define INT_TO_BOOLEAN(I) ( (I) ? GL_TRUE : GL_FALSE )
74 #define INT_TO_FIXED(I) ( ((I) > SHRT_MAX) ? INT_MAX : \
75 ((I) < SHRT_MIN) ? INT_MIN : \
76 (GLint) ((I) * 65536) )
78 #define INT64_TO_BOOLEAN(I) ( (I) ? GL_TRUE : GL_FALSE )
79 #define INT64_TO_INT(I) ( (GLint)((I > INT_MAX) ? INT_MAX : ((I < INT_MIN) ? INT_MIN : (I))) )
81 #define BOOLEAN_TO_INT(B) ( (GLint) (B) )
82 #define BOOLEAN_TO_INT64(B) ( (GLint64) (B) )
83 #define BOOLEAN_TO_FLOAT(B) ( (B) ? 1.0F : 0.0F )
84 #define BOOLEAN_TO_FIXED(B) ( (GLint) ((B) ? 1 : 0) << 16 )
86 #define ENUM_TO_INT64(E) ( (GLint64) (E) )
87 #define ENUM_TO_FIXED(E) (E)
123 enum value_location
{
143 EXTRA_NEW_FRAG_CLAMP
,
144 EXTRA_VALID_DRAW_BUFFER
,
145 EXTRA_VALID_TEXTURE_UNIT
,
146 EXTRA_VALID_CLIP_DISTANCE
,
150 EXTRA_EXT_ATOMICS_GS4
,
151 EXTRA_EXT_SHADER_IMAGE_GS4
,
152 EXTRA_EXT_ATOMICS_TESS
,
153 EXTRA_EXT_SHADER_IMAGE_TESS
,
156 #define NO_EXTRA NULL
161 GLubyte location
; /**< enum value_location */
162 GLubyte type
; /**< enum value_type */
169 GLfloat value_float_4
[4];
170 GLdouble value_double_2
[2];
171 GLmatrix
*value_matrix
;
173 GLint value_int_4
[4];
177 /* Sigh, see GL_COMPRESSED_TEXTURE_FORMATS_ARB handling */
181 GLboolean value_bool
;
184 #define BUFFER_FIELD(field, type) \
185 LOC_BUFFER, type, offsetof(struct gl_framebuffer, field)
186 #define CONTEXT_FIELD(field, type) \
187 LOC_CONTEXT, type, offsetof(struct gl_context, field)
188 #define ARRAY_FIELD(field, type) \
189 LOC_ARRAY, type, offsetof(struct gl_vertex_array_object, field)
190 #undef CONST /* already defined through windows.h */
191 #define CONST(value) \
192 LOC_CONTEXT, TYPE_CONST, value
194 #define BUFFER_INT(field) BUFFER_FIELD(field, TYPE_INT)
195 #define BUFFER_ENUM(field) BUFFER_FIELD(field, TYPE_ENUM)
196 #define BUFFER_BOOL(field) BUFFER_FIELD(field, TYPE_BOOLEAN)
198 #define CONTEXT_INT(field) CONTEXT_FIELD(field, TYPE_INT)
199 #define CONTEXT_INT2(field) CONTEXT_FIELD(field, TYPE_INT_2)
200 #define CONTEXT_INT64(field) CONTEXT_FIELD(field, TYPE_INT64)
201 #define CONTEXT_ENUM(field) CONTEXT_FIELD(field, TYPE_ENUM)
202 #define CONTEXT_ENUM2(field) CONTEXT_FIELD(field, TYPE_ENUM_2)
203 #define CONTEXT_BOOL(field) CONTEXT_FIELD(field, TYPE_BOOLEAN)
204 #define CONTEXT_BIT0(field) CONTEXT_FIELD(field, TYPE_BIT_0)
205 #define CONTEXT_BIT1(field) CONTEXT_FIELD(field, TYPE_BIT_1)
206 #define CONTEXT_BIT2(field) CONTEXT_FIELD(field, TYPE_BIT_2)
207 #define CONTEXT_BIT3(field) CONTEXT_FIELD(field, TYPE_BIT_3)
208 #define CONTEXT_BIT4(field) CONTEXT_FIELD(field, TYPE_BIT_4)
209 #define CONTEXT_BIT5(field) CONTEXT_FIELD(field, TYPE_BIT_5)
210 #define CONTEXT_BIT6(field) CONTEXT_FIELD(field, TYPE_BIT_6)
211 #define CONTEXT_BIT7(field) CONTEXT_FIELD(field, TYPE_BIT_7)
212 #define CONTEXT_FLOAT(field) CONTEXT_FIELD(field, TYPE_FLOAT)
213 #define CONTEXT_FLOAT2(field) CONTEXT_FIELD(field, TYPE_FLOAT_2)
214 #define CONTEXT_FLOAT3(field) CONTEXT_FIELD(field, TYPE_FLOAT_3)
215 #define CONTEXT_FLOAT4(field) CONTEXT_FIELD(field, TYPE_FLOAT_4)
216 #define CONTEXT_MATRIX(field) CONTEXT_FIELD(field, TYPE_MATRIX)
217 #define CONTEXT_MATRIX_T(field) CONTEXT_FIELD(field, TYPE_MATRIX_T)
219 #define ARRAY_INT(field) ARRAY_FIELD(field, TYPE_INT)
220 #define ARRAY_ENUM(field) ARRAY_FIELD(field, TYPE_ENUM)
221 #define ARRAY_BOOL(field) ARRAY_FIELD(field, TYPE_BOOLEAN)
224 offsetof(struct gl_extensions, f)
226 #define EXTRA_EXT(e) \
227 static const int extra_##e[] = { \
231 #define EXTRA_EXT2(e1, e2) \
232 static const int extra_##e1##_##e2[] = { \
233 EXT(e1), EXT(e2), EXTRA_END \
236 /* The 'extra' mechanism is a way to specify extra checks (such as
237 * extensions or specific gl versions) or actions (flush current, new
238 * buffers) that we need to do before looking up an enum. We need to
239 * declare them all up front so we can refer to them in the value_desc
242 * Each EXTRA_ will be executed. For EXTRA_* enums of extensions and API
243 * versions, listing multiple ones in an array means an error will be thrown
244 * only if none of them are available. If you need to check for "AND"
245 * behavior, you would need to make a custom EXTRA_ enum.
248 static const int extra_new_buffers
[] = {
253 static const int extra_new_frag_clamp
[] = {
254 EXTRA_NEW_FRAG_CLAMP
,
258 static const int extra_valid_draw_buffer
[] = {
259 EXTRA_VALID_DRAW_BUFFER
,
263 static const int extra_valid_texture_unit
[] = {
264 EXTRA_VALID_TEXTURE_UNIT
,
268 static const int extra_valid_clip_distance
[] = {
269 EXTRA_VALID_CLIP_DISTANCE
,
273 static const int extra_flush_current_valid_texture_unit
[] = {
275 EXTRA_VALID_TEXTURE_UNIT
,
279 static const int extra_flush_current
[] = {
284 static const int extra_EXT_texture_integer_and_new_buffers
[] = {
285 EXT(EXT_texture_integer
),
290 static const int extra_GLSL_130_es3
[] = {
296 static const int extra_texture_buffer_object
[] = {
299 EXT(ARB_texture_buffer_object
),
303 static const int extra_ARB_transform_feedback2_api_es3
[] = {
304 EXT(ARB_transform_feedback2
),
309 static const int extra_ARB_uniform_buffer_object_and_geometry_shader
[] = {
314 static const int extra_ARB_ES2_compatibility_api_es2
[] = {
315 EXT(ARB_ES2_compatibility
),
320 static const int extra_ARB_ES3_compatibility_api_es3
[] = {
321 EXT(ARB_ES3_compatibility
),
326 static const int extra_EXT_framebuffer_sRGB_and_new_buffers
[] = {
327 EXT(EXT_framebuffer_sRGB
),
332 static const int extra_EXT_packed_float
[] = {
333 EXT(EXT_packed_float
),
338 static const int extra_EXT_texture_array_es3
[] = {
339 EXT(EXT_texture_array
),
344 static const int extra_ARB_shader_atomic_counters_and_geometry_shader
[] = {
345 EXTRA_EXT_ATOMICS_GS4
,
349 static const int extra_ARB_shader_image_load_store_and_geometry_shader
[] = {
350 EXTRA_EXT_SHADER_IMAGE_GS4
,
354 static const int extra_ARB_shader_atomic_counters_and_tessellation
[] = {
355 EXTRA_EXT_ATOMICS_TESS
,
359 static const int extra_ARB_shader_image_load_store_and_tessellation
[] = {
360 EXTRA_EXT_SHADER_IMAGE_TESS
,
364 static const int extra_ARB_draw_indirect_es31
[] = {
365 EXT(ARB_draw_indirect
),
370 EXTRA_EXT(ARB_texture_cube_map
);
371 EXTRA_EXT(EXT_texture_array
);
372 EXTRA_EXT(NV_fog_distance
);
373 EXTRA_EXT(EXT_texture_filter_anisotropic
);
374 EXTRA_EXT(NV_point_sprite
);
375 EXTRA_EXT(NV_texture_rectangle
);
376 EXTRA_EXT(EXT_stencil_two_side
);
377 EXTRA_EXT(EXT_depth_bounds_test
);
378 EXTRA_EXT(ARB_depth_clamp
);
379 EXTRA_EXT(ATI_fragment_shader
);
380 EXTRA_EXT(EXT_provoking_vertex
);
381 EXTRA_EXT(ARB_fragment_shader
);
382 EXTRA_EXT(ARB_fragment_program
);
383 EXTRA_EXT2(ARB_framebuffer_object
, EXT_framebuffer_multisample
);
384 EXTRA_EXT(ARB_seamless_cube_map
);
386 EXTRA_EXT(ARB_vertex_shader
);
387 EXTRA_EXT(EXT_transform_feedback
);
388 EXTRA_EXT(ARB_transform_feedback3
);
389 EXTRA_EXT(EXT_pixel_buffer_object
);
390 EXTRA_EXT(ARB_vertex_program
);
391 EXTRA_EXT2(NV_point_sprite
, ARB_point_sprite
);
392 EXTRA_EXT2(ARB_vertex_program
, ARB_fragment_program
);
393 EXTRA_EXT(ARB_geometry_shader4
);
394 EXTRA_EXT(ARB_color_buffer_float
);
395 EXTRA_EXT(EXT_framebuffer_sRGB
);
396 EXTRA_EXT(OES_EGL_image_external
);
397 EXTRA_EXT(ARB_blend_func_extended
);
398 EXTRA_EXT(ARB_uniform_buffer_object
);
399 EXTRA_EXT(ARB_timer_query
);
400 EXTRA_EXT(ARB_texture_cube_map_array
);
401 EXTRA_EXT(ARB_texture_buffer_range
);
402 EXTRA_EXT(ARB_texture_multisample
);
403 EXTRA_EXT(ARB_texture_gather
);
404 EXTRA_EXT(ARB_shader_atomic_counters
);
405 EXTRA_EXT(ARB_draw_indirect
);
406 EXTRA_EXT(ARB_shader_image_load_store
);
407 EXTRA_EXT(ARB_viewport_array
);
408 EXTRA_EXT(ARB_compute_shader
);
409 EXTRA_EXT(ARB_gpu_shader5
);
410 EXTRA_EXT2(ARB_transform_feedback3
, ARB_gpu_shader5
);
411 EXTRA_EXT(INTEL_performance_query
);
412 EXTRA_EXT(ARB_explicit_uniform_location
);
413 EXTRA_EXT(ARB_clip_control
);
414 EXTRA_EXT(EXT_polygon_offset_clamp
);
415 EXTRA_EXT(ARB_framebuffer_no_attachments
);
416 EXTRA_EXT(ARB_tessellation_shader
);
417 EXTRA_EXT(ARB_shader_subroutine
);
420 extra_ARB_color_buffer_float_or_glcore
[] = {
421 EXT(ARB_color_buffer_float
),
427 extra_NV_primitive_restart
[] = {
428 EXT(NV_primitive_restart
),
432 static const int extra_version_30
[] = { EXTRA_VERSION_30
, EXTRA_END
};
433 static const int extra_version_31
[] = { EXTRA_VERSION_31
, EXTRA_END
};
434 static const int extra_version_32
[] = { EXTRA_VERSION_32
, EXTRA_END
};
435 static const int extra_version_40
[] = { EXTRA_VERSION_40
, EXTRA_END
};
437 static const int extra_gl30_es3
[] = {
443 static const int extra_gl32_es3
[] = {
449 static const int extra_gl32_ARB_geometry_shader4
[] = {
451 EXT(ARB_geometry_shader4
),
455 static const int extra_gl40_ARB_sample_shading
[] = {
457 EXT(ARB_sample_shading
),
462 extra_ARB_vertex_program_api_es2
[] = {
463 EXT(ARB_vertex_program
),
468 /* The ReadBuffer get token is valid under either full GL or under
469 * GLES2 if the NV_read_buffer extension is available. */
471 extra_NV_read_buffer_api_gl
[] = {
477 static const int extra_core_ARB_color_buffer_float_and_new_buffers
[] = {
479 EXT(ARB_color_buffer_float
),
484 /* This is the big table describing all the enums we accept in
485 * glGet*v(). The table is partitioned into six parts: enums
486 * understood by all GL APIs (OpenGL, GLES and GLES2), enums shared
487 * between OpenGL and GLES, enums exclusive to GLES, etc for the
488 * remaining combinations. To look up the enums valid in a given API
489 * we will use a hash table specific to that API. These tables are in
490 * turn generated at build time and included through get_hash.h.
493 #include "get_hash.h"
495 /* All we need now is a way to look up the value struct from the enum.
496 * The code generated by gcc for the old generated big switch
497 * statement is a big, balanced, open coded if/else tree, essentially
498 * an unrolled binary search. It would be natural to sort the new
499 * enum table and use bsearch(), but we will use a read-only hash
500 * table instead. bsearch() has a nice guaranteed worst case
501 * performance, but we're also guaranteed to hit that worst case
502 * (log2(n) iterations) for about half the enums. Instead, using an
503 * open addressing hash table, we can find the enum on the first try
504 * for 80% of the enums, 1 collision for 10% and never more than 5
505 * collisions for any enum (typical numbers). And the code is very
506 * simple, even though it feels a little magic. */
510 print_table_stats(int api
)
512 int i
, j
, collisions
[11], count
, hash
, mask
;
513 const struct value_desc
*d
;
514 const char *api_names
[] = {
515 [API_OPENGL_COMPAT
] = "GL",
516 [API_OPENGL_CORE
] = "GL_CORE",
517 [API_OPENGLES
] = "GLES",
518 [API_OPENGLES2
] = "GLES2",
520 const char *api_name
;
522 api_name
= api
< ARRAY_SIZE(api_names
) ? api_names
[api
] : "N/A";
524 mask
= ARRAY_SIZE(table(api
)) - 1;
525 memset(collisions
, 0, sizeof collisions
);
527 for (i
= 0; i
< ARRAY_SIZE(table(api
)); i
++) {
531 d
= &values
[table(api
)[i
]];
532 hash
= (d
->pname
* prime_factor
);
535 if (values
[table(api
)[hash
& mask
]].pname
== d
->pname
)
547 printf("number of enums for %s: %d (total %ld)\n",
548 api_name
, count
, ARRAY_SIZE(values
));
549 for (i
= 0; i
< ARRAY_SIZE(collisions
) - 1; i
++)
550 if (collisions
[i
] > 0)
551 printf(" %d enums with %d %scollisions\n",
552 collisions
[i
], i
, i
== 10 ? "or more " : "");
557 * Initialize the enum hash for a given API
559 * This is called from one_time_init() to insert the enum values that
560 * are valid for the API in question into the enum hash table.
562 * \param the current context, for determining the API in question
564 void _mesa_init_get_hash(struct gl_context
*ctx
)
567 print_table_stats(ctx
->API
);
574 * Handle irregular enums
576 * Some values don't conform to the "well-known type at context
577 * pointer + offset" pattern, so we have this function to catch all
578 * the corner cases. Typically, it's a computed value or a one-off
579 * pointer to a custom struct or something.
581 * In this case we can't return a pointer to the value, so we'll have
582 * to use the temporary variable 'v' declared back in the calling
583 * glGet*v() function to store the result.
585 * \param ctx the current context
586 * \param d the struct value_desc that describes the enum
587 * \param v pointer to the tmp declared in the calling glGet*v() function
590 find_custom_value(struct gl_context
*ctx
, const struct value_desc
*d
, union value
*v
)
592 struct gl_buffer_object
**buffer_obj
;
593 struct gl_vertex_attrib_array
*array
;
597 case GL_MAJOR_VERSION
:
598 v
->value_int
= ctx
->Version
/ 10;
600 case GL_MINOR_VERSION
:
601 v
->value_int
= ctx
->Version
% 10;
607 case GL_TEXTURE_CUBE_MAP_ARB
:
608 case GL_TEXTURE_RECTANGLE_NV
:
609 case GL_TEXTURE_EXTERNAL_OES
:
610 v
->value_bool
= _mesa_IsEnabled(d
->pname
);
613 case GL_LINE_STIPPLE_PATTERN
:
614 /* This is the only GLushort, special case it here by promoting
615 * to an int rather than introducing a new type. */
616 v
->value_int
= ctx
->Line
.StipplePattern
;
619 case GL_CURRENT_RASTER_TEXTURE_COORDS
:
620 unit
= ctx
->Texture
.CurrentUnit
;
621 v
->value_float_4
[0] = ctx
->Current
.RasterTexCoords
[unit
][0];
622 v
->value_float_4
[1] = ctx
->Current
.RasterTexCoords
[unit
][1];
623 v
->value_float_4
[2] = ctx
->Current
.RasterTexCoords
[unit
][2];
624 v
->value_float_4
[3] = ctx
->Current
.RasterTexCoords
[unit
][3];
627 case GL_CURRENT_TEXTURE_COORDS
:
628 unit
= ctx
->Texture
.CurrentUnit
;
629 v
->value_float_4
[0] = ctx
->Current
.Attrib
[VERT_ATTRIB_TEX0
+ unit
][0];
630 v
->value_float_4
[1] = ctx
->Current
.Attrib
[VERT_ATTRIB_TEX0
+ unit
][1];
631 v
->value_float_4
[2] = ctx
->Current
.Attrib
[VERT_ATTRIB_TEX0
+ unit
][2];
632 v
->value_float_4
[3] = ctx
->Current
.Attrib
[VERT_ATTRIB_TEX0
+ unit
][3];
635 case GL_COLOR_WRITEMASK
:
636 v
->value_int_4
[0] = ctx
->Color
.ColorMask
[0][RCOMP
] ? 1 : 0;
637 v
->value_int_4
[1] = ctx
->Color
.ColorMask
[0][GCOMP
] ? 1 : 0;
638 v
->value_int_4
[2] = ctx
->Color
.ColorMask
[0][BCOMP
] ? 1 : 0;
639 v
->value_int_4
[3] = ctx
->Color
.ColorMask
[0][ACOMP
] ? 1 : 0;
643 v
->value_bool
= ctx
->Current
.Attrib
[VERT_ATTRIB_EDGEFLAG
][0] == 1.0;
647 v
->value_enum
= ctx
->ReadBuffer
->ColorReadBuffer
;
650 case GL_MAP2_GRID_DOMAIN
:
651 v
->value_float_4
[0] = ctx
->Eval
.MapGrid2u1
;
652 v
->value_float_4
[1] = ctx
->Eval
.MapGrid2u2
;
653 v
->value_float_4
[2] = ctx
->Eval
.MapGrid2v1
;
654 v
->value_float_4
[3] = ctx
->Eval
.MapGrid2v2
;
657 case GL_TEXTURE_STACK_DEPTH
:
658 unit
= ctx
->Texture
.CurrentUnit
;
659 v
->value_int
= ctx
->TextureMatrixStack
[unit
].Depth
+ 1;
661 case GL_TEXTURE_MATRIX
:
662 unit
= ctx
->Texture
.CurrentUnit
;
663 v
->value_matrix
= ctx
->TextureMatrixStack
[unit
].Top
;
666 case GL_TEXTURE_COORD_ARRAY
:
667 case GL_TEXTURE_COORD_ARRAY_SIZE
:
668 case GL_TEXTURE_COORD_ARRAY_TYPE
:
669 case GL_TEXTURE_COORD_ARRAY_STRIDE
:
670 array
= &ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_TEX(ctx
->Array
.ActiveTexture
)];
671 v
->value_int
= *(GLuint
*) ((char *) array
+ d
->offset
);
674 case GL_ACTIVE_TEXTURE_ARB
:
675 v
->value_int
= GL_TEXTURE0_ARB
+ ctx
->Texture
.CurrentUnit
;
677 case GL_CLIENT_ACTIVE_TEXTURE_ARB
:
678 v
->value_int
= GL_TEXTURE0_ARB
+ ctx
->Array
.ActiveTexture
;
681 case GL_MODELVIEW_STACK_DEPTH
:
682 case GL_PROJECTION_STACK_DEPTH
:
683 v
->value_int
= *(GLint
*) ((char *) ctx
+ d
->offset
) + 1;
686 case GL_MAX_TEXTURE_SIZE
:
687 case GL_MAX_3D_TEXTURE_SIZE
:
688 case GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB
:
689 p
= (GLuint
*) ((char *) ctx
+ d
->offset
);
690 v
->value_int
= 1 << (*p
- 1);
694 v
->value_int_4
[0] = ctx
->Scissor
.ScissorArray
[0].X
;
695 v
->value_int_4
[1] = ctx
->Scissor
.ScissorArray
[0].Y
;
696 v
->value_int_4
[2] = ctx
->Scissor
.ScissorArray
[0].Width
;
697 v
->value_int_4
[3] = ctx
->Scissor
.ScissorArray
[0].Height
;
700 case GL_SCISSOR_TEST
:
701 v
->value_bool
= ctx
->Scissor
.EnableFlags
& 1;
706 ctx
->ListState
.CurrentList
? ctx
->ListState
.CurrentList
->Name
: 0;
709 if (!ctx
->CompileFlag
)
711 else if (ctx
->ExecuteFlag
)
712 v
->value_enum
= GL_COMPILE_AND_EXECUTE
;
714 v
->value_enum
= GL_COMPILE
;
718 v
->value_float_4
[0] = ctx
->ViewportArray
[0].X
;
719 v
->value_float_4
[1] = ctx
->ViewportArray
[0].Y
;
720 v
->value_float_4
[2] = ctx
->ViewportArray
[0].Width
;
721 v
->value_float_4
[3] = ctx
->ViewportArray
[0].Height
;
725 v
->value_double_2
[0] = ctx
->ViewportArray
[0].Near
;
726 v
->value_double_2
[1] = ctx
->ViewportArray
[0].Far
;
729 case GL_ACTIVE_STENCIL_FACE_EXT
:
730 v
->value_enum
= ctx
->Stencil
.ActiveFace
? GL_BACK
: GL_FRONT
;
733 case GL_STENCIL_FAIL
:
734 v
->value_enum
= ctx
->Stencil
.FailFunc
[ctx
->Stencil
.ActiveFace
];
736 case GL_STENCIL_FUNC
:
737 v
->value_enum
= ctx
->Stencil
.Function
[ctx
->Stencil
.ActiveFace
];
739 case GL_STENCIL_PASS_DEPTH_FAIL
:
740 v
->value_enum
= ctx
->Stencil
.ZFailFunc
[ctx
->Stencil
.ActiveFace
];
742 case GL_STENCIL_PASS_DEPTH_PASS
:
743 v
->value_enum
= ctx
->Stencil
.ZPassFunc
[ctx
->Stencil
.ActiveFace
];
746 v
->value_int
= _mesa_get_stencil_ref(ctx
, ctx
->Stencil
.ActiveFace
);
748 case GL_STENCIL_BACK_REF
:
749 v
->value_int
= _mesa_get_stencil_ref(ctx
, 1);
751 case GL_STENCIL_VALUE_MASK
:
752 v
->value_int
= ctx
->Stencil
.ValueMask
[ctx
->Stencil
.ActiveFace
];
754 case GL_STENCIL_WRITEMASK
:
755 v
->value_int
= ctx
->Stencil
.WriteMask
[ctx
->Stencil
.ActiveFace
];
758 case GL_NUM_EXTENSIONS
:
759 v
->value_int
= _mesa_get_extension_count(ctx
);
762 case GL_IMPLEMENTATION_COLOR_READ_TYPE_OES
:
763 v
->value_int
= _mesa_get_color_read_type(ctx
);
765 case GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES
:
766 v
->value_int
= _mesa_get_color_read_format(ctx
);
769 case GL_CURRENT_MATRIX_STACK_DEPTH_ARB
:
770 v
->value_int
= ctx
->CurrentStack
->Depth
+ 1;
772 case GL_CURRENT_MATRIX_ARB
:
773 case GL_TRANSPOSE_CURRENT_MATRIX_ARB
:
774 v
->value_matrix
= ctx
->CurrentStack
->Top
;
777 case GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB
:
778 v
->value_int
= _mesa_get_compressed_formats(ctx
, NULL
);
780 case GL_COMPRESSED_TEXTURE_FORMATS_ARB
:
782 _mesa_get_compressed_formats(ctx
, v
->value_int_n
.ints
);
783 assert(v
->value_int_n
.n
<= (int) ARRAY_SIZE(v
->value_int_n
.ints
));
786 case GL_MAX_VARYING_FLOATS_ARB
:
787 v
->value_int
= ctx
->Const
.MaxVarying
* 4;
790 /* Various object names */
792 case GL_TEXTURE_BINDING_1D
:
793 case GL_TEXTURE_BINDING_2D
:
794 case GL_TEXTURE_BINDING_3D
:
795 case GL_TEXTURE_BINDING_1D_ARRAY_EXT
:
796 case GL_TEXTURE_BINDING_2D_ARRAY_EXT
:
797 case GL_TEXTURE_BINDING_CUBE_MAP_ARB
:
798 case GL_TEXTURE_BINDING_RECTANGLE_NV
:
799 case GL_TEXTURE_BINDING_EXTERNAL_OES
:
800 case GL_TEXTURE_BINDING_CUBE_MAP_ARRAY
:
801 case GL_TEXTURE_BINDING_2D_MULTISAMPLE
:
802 case GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY
:
803 unit
= ctx
->Texture
.CurrentUnit
;
805 ctx
->Texture
.Unit
[unit
].CurrentTex
[d
->offset
]->Name
;
808 /* GL_EXT_packed_float */
809 case GL_RGBA_SIGNED_COMPONENTS_EXT
:
811 /* Note: we only check the 0th color attachment. */
812 const struct gl_renderbuffer
*rb
=
813 ctx
->DrawBuffer
->_ColorDrawBuffers
[0];
814 if (rb
&& _mesa_is_format_signed(rb
->Format
)) {
815 /* Issue 17 of GL_EXT_packed_float: If a component (such as
816 * alpha) has zero bits, the component should not be considered
817 * signed and so the bit for the respective component should be
821 _mesa_get_format_bits(rb
->Format
, GL_RED_BITS
);
823 _mesa_get_format_bits(rb
->Format
, GL_GREEN_BITS
);
825 _mesa_get_format_bits(rb
->Format
, GL_BLUE_BITS
);
827 _mesa_get_format_bits(rb
->Format
, GL_ALPHA_BITS
);
829 _mesa_get_format_bits(rb
->Format
, GL_TEXTURE_LUMINANCE_SIZE
);
831 _mesa_get_format_bits(rb
->Format
, GL_TEXTURE_INTENSITY_SIZE
);
833 v
->value_int_4
[0] = r_bits
+ l_bits
+ i_bits
> 0;
834 v
->value_int_4
[1] = g_bits
+ l_bits
+ i_bits
> 0;
835 v
->value_int_4
[2] = b_bits
+ l_bits
+ i_bits
> 0;
836 v
->value_int_4
[3] = a_bits
+ i_bits
> 0;
842 v
->value_int_4
[3] = 0;
847 /* GL_ARB_vertex_buffer_object */
848 case GL_VERTEX_ARRAY_BUFFER_BINDING_ARB
:
849 case GL_NORMAL_ARRAY_BUFFER_BINDING_ARB
:
850 case GL_COLOR_ARRAY_BUFFER_BINDING_ARB
:
851 case GL_INDEX_ARRAY_BUFFER_BINDING_ARB
:
852 case GL_EDGE_FLAG_ARRAY_BUFFER_BINDING_ARB
:
853 case GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING_ARB
:
854 case GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING_ARB
:
855 buffer_obj
= (struct gl_buffer_object
**)
856 ((char *) ctx
->Array
.VAO
+ d
->offset
);
857 v
->value_int
= (*buffer_obj
)->Name
;
859 case GL_ARRAY_BUFFER_BINDING_ARB
:
860 v
->value_int
= ctx
->Array
.ArrayBufferObj
->Name
;
862 case GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING_ARB
:
864 ctx
->Array
.VAO
->VertexBinding
[VERT_ATTRIB_TEX(ctx
->Array
.ActiveTexture
)].BufferObj
->Name
;
866 case GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB
:
867 v
->value_int
= ctx
->Array
.VAO
->IndexBufferObj
->Name
;
870 /* ARB_vertex_array_bgra */
871 case GL_COLOR_ARRAY_SIZE
:
872 array
= &ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_COLOR0
];
873 v
->value_int
= array
->Format
== GL_BGRA
? GL_BGRA
: array
->Size
;
875 case GL_SECONDARY_COLOR_ARRAY_SIZE
:
876 array
= &ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_COLOR1
];
877 v
->value_int
= array
->Format
== GL_BGRA
? GL_BGRA
: array
->Size
;
880 /* ARB_copy_buffer */
881 case GL_COPY_READ_BUFFER
:
882 v
->value_int
= ctx
->CopyReadBuffer
->Name
;
884 case GL_COPY_WRITE_BUFFER
:
885 v
->value_int
= ctx
->CopyWriteBuffer
->Name
;
888 case GL_PIXEL_PACK_BUFFER_BINDING_EXT
:
889 v
->value_int
= ctx
->Pack
.BufferObj
->Name
;
891 case GL_PIXEL_UNPACK_BUFFER_BINDING_EXT
:
892 v
->value_int
= ctx
->Unpack
.BufferObj
->Name
;
894 case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING
:
895 v
->value_int
= ctx
->TransformFeedback
.CurrentBuffer
->Name
;
897 case GL_TRANSFORM_FEEDBACK_BUFFER_PAUSED
:
898 v
->value_int
= ctx
->TransformFeedback
.CurrentObject
->Paused
;
900 case GL_TRANSFORM_FEEDBACK_BUFFER_ACTIVE
:
901 v
->value_int
= ctx
->TransformFeedback
.CurrentObject
->Active
;
903 case GL_TRANSFORM_FEEDBACK_BINDING
:
904 v
->value_int
= ctx
->TransformFeedback
.CurrentObject
->Name
;
906 case GL_CURRENT_PROGRAM
:
907 /* The Changelog of the ARB_separate_shader_objects spec says:
909 * 24 25 Jul 2011 pbrown Remove the language erroneously deleting
910 * CURRENT_PROGRAM. In the EXT extension, this
911 * token was aliased to ACTIVE_PROGRAM_EXT, and
912 * was used to indicate the last program set by
913 * either ActiveProgramEXT or UseProgram. In
914 * the ARB extension, the SSO active programs
915 * are now program pipeline object state and
916 * CURRENT_PROGRAM should still be used to query
917 * the last program set by UseProgram (bug 7822).
920 ctx
->Shader
.ActiveProgram
? ctx
->Shader
.ActiveProgram
->Name
: 0;
922 case GL_READ_FRAMEBUFFER_BINDING_EXT
:
923 v
->value_int
= ctx
->ReadBuffer
->Name
;
925 case GL_RENDERBUFFER_BINDING_EXT
:
927 ctx
->CurrentRenderbuffer
? ctx
->CurrentRenderbuffer
->Name
: 0;
929 case GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES
:
930 v
->value_int
= ctx
->Array
.VAO
->VertexBinding
[VERT_ATTRIB_POINT_SIZE
].BufferObj
->Name
;
934 if (_mesa_get_clamp_fragment_color(ctx
, ctx
->DrawBuffer
))
935 COPY_4FV(v
->value_float_4
, ctx
->Fog
.Color
);
937 COPY_4FV(v
->value_float_4
, ctx
->Fog
.ColorUnclamped
);
939 case GL_COLOR_CLEAR_VALUE
:
940 if (_mesa_get_clamp_fragment_color(ctx
, ctx
->DrawBuffer
)) {
941 v
->value_float_4
[0] = CLAMP(ctx
->Color
.ClearColor
.f
[0], 0.0F
, 1.0F
);
942 v
->value_float_4
[1] = CLAMP(ctx
->Color
.ClearColor
.f
[1], 0.0F
, 1.0F
);
943 v
->value_float_4
[2] = CLAMP(ctx
->Color
.ClearColor
.f
[2], 0.0F
, 1.0F
);
944 v
->value_float_4
[3] = CLAMP(ctx
->Color
.ClearColor
.f
[3], 0.0F
, 1.0F
);
946 COPY_4FV(v
->value_float_4
, ctx
->Color
.ClearColor
.f
);
948 case GL_BLEND_COLOR_EXT
:
949 if (_mesa_get_clamp_fragment_color(ctx
, ctx
->DrawBuffer
))
950 COPY_4FV(v
->value_float_4
, ctx
->Color
.BlendColor
);
952 COPY_4FV(v
->value_float_4
, ctx
->Color
.BlendColorUnclamped
);
954 case GL_ALPHA_TEST_REF
:
955 if (_mesa_get_clamp_fragment_color(ctx
, ctx
->DrawBuffer
))
956 v
->value_float
= ctx
->Color
.AlphaRef
;
958 v
->value_float
= ctx
->Color
.AlphaRefUnclamped
;
960 case GL_MAX_VERTEX_UNIFORM_VECTORS
:
961 v
->value_int
= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxUniformComponents
/ 4;
964 case GL_MAX_FRAGMENT_UNIFORM_VECTORS
:
965 v
->value_int
= ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxUniformComponents
/ 4;
968 /* GL_ARB_texture_buffer_object */
969 case GL_TEXTURE_BUFFER_ARB
:
970 v
->value_int
= ctx
->Texture
.BufferObject
->Name
;
972 case GL_TEXTURE_BINDING_BUFFER_ARB
:
973 unit
= ctx
->Texture
.CurrentUnit
;
975 ctx
->Texture
.Unit
[unit
].CurrentTex
[TEXTURE_BUFFER_INDEX
]->Name
;
977 case GL_TEXTURE_BUFFER_DATA_STORE_BINDING_ARB
:
979 struct gl_buffer_object
*buf
=
980 ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
]
981 .CurrentTex
[TEXTURE_BUFFER_INDEX
]->BufferObject
;
982 v
->value_int
= buf
? buf
->Name
: 0;
985 case GL_TEXTURE_BUFFER_FORMAT_ARB
:
986 v
->value_int
= ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
]
987 .CurrentTex
[TEXTURE_BUFFER_INDEX
]->BufferObjectFormat
;
990 /* GL_ARB_sampler_objects */
991 case GL_SAMPLER_BINDING
:
993 struct gl_sampler_object
*samp
=
994 ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
].Sampler
;
997 * The sampler object may have been deleted on another context,
998 * so we try to lookup the sampler object before returning its Name.
1000 if (samp
&& _mesa_lookup_samplerobj(ctx
, samp
->Name
)) {
1001 v
->value_int
= samp
->Name
;
1007 /* GL_ARB_uniform_buffer_object */
1008 case GL_UNIFORM_BUFFER_BINDING
:
1009 v
->value_int
= ctx
->UniformBuffer
->Name
;
1011 /* GL_ARB_timer_query */
1013 if (ctx
->Driver
.GetTimestamp
) {
1014 v
->value_int64
= ctx
->Driver
.GetTimestamp(ctx
);
1017 _mesa_problem(ctx
, "driver doesn't implement GetTimestamp");
1021 case GL_DEBUG_LOGGED_MESSAGES
:
1022 case GL_DEBUG_NEXT_LOGGED_MESSAGE_LENGTH
:
1023 case GL_DEBUG_GROUP_STACK_DEPTH
:
1024 v
->value_int
= _mesa_get_debug_state_int(ctx
, d
->pname
);
1026 /* GL_ARB_shader_atomic_counters */
1027 case GL_ATOMIC_COUNTER_BUFFER_BINDING
:
1028 if (ctx
->AtomicBuffer
) {
1029 v
->value_int
= ctx
->AtomicBuffer
->Name
;
1034 /* GL_ARB_draw_indirect */
1035 case GL_DRAW_INDIRECT_BUFFER_BINDING
:
1036 v
->value_int
= ctx
->DrawIndirectBuffer
->Name
;
1038 /* GL_ARB_separate_shader_objects */
1039 case GL_PROGRAM_PIPELINE_BINDING
:
1040 if (ctx
->Pipeline
.Current
) {
1041 v
->value_int
= ctx
->Pipeline
.Current
->Name
;
1050 * Check extra constraints on a struct value_desc descriptor
1052 * If a struct value_desc has a non-NULL extra pointer, it means that
1053 * there are a number of extra constraints to check or actions to
1054 * perform. The extras is just an integer array where each integer
1055 * encode different constraints or actions.
1057 * \param ctx current context
1058 * \param func name of calling glGet*v() function for error reporting
1059 * \param d the struct value_desc that has the extra constraints
1061 * \return GL_FALSE if all of the constraints were not satisfied,
1062 * otherwise GL_TRUE.
1065 check_extra(struct gl_context
*ctx
, const char *func
, const struct value_desc
*d
)
1067 const GLuint version
= ctx
->Version
;
1068 GLboolean api_check
= GL_FALSE
;
1069 GLboolean api_found
= GL_FALSE
;
1072 for (e
= d
->extra
; *e
!= EXTRA_END
; e
++) {
1074 case EXTRA_VERSION_30
:
1075 api_check
= GL_TRUE
;
1077 api_found
= GL_TRUE
;
1079 case EXTRA_VERSION_31
:
1080 api_check
= GL_TRUE
;
1082 api_found
= GL_TRUE
;
1084 case EXTRA_VERSION_32
:
1085 api_check
= GL_TRUE
;
1087 api_found
= GL_TRUE
;
1089 case EXTRA_NEW_FRAG_CLAMP
:
1090 if (ctx
->NewState
& (_NEW_BUFFERS
| _NEW_FRAG_CLAMP
))
1091 _mesa_update_state(ctx
);
1094 api_check
= GL_TRUE
;
1095 if (ctx
->API
== API_OPENGLES2
)
1096 api_found
= GL_TRUE
;
1099 api_check
= GL_TRUE
;
1100 if (_mesa_is_gles3(ctx
))
1101 api_found
= GL_TRUE
;
1103 case EXTRA_API_ES31
:
1104 api_check
= GL_TRUE
;
1105 if (_mesa_is_gles31(ctx
))
1106 api_found
= GL_TRUE
;
1109 api_check
= GL_TRUE
;
1110 if (_mesa_is_desktop_gl(ctx
))
1111 api_found
= GL_TRUE
;
1113 case EXTRA_API_GL_CORE
:
1114 api_check
= GL_TRUE
;
1115 if (ctx
->API
== API_OPENGL_CORE
)
1116 api_found
= GL_TRUE
;
1118 case EXTRA_NEW_BUFFERS
:
1119 if (ctx
->NewState
& _NEW_BUFFERS
)
1120 _mesa_update_state(ctx
);
1122 case EXTRA_FLUSH_CURRENT
:
1123 FLUSH_CURRENT(ctx
, 0);
1125 case EXTRA_VALID_DRAW_BUFFER
:
1126 if (d
->pname
- GL_DRAW_BUFFER0_ARB
>= ctx
->Const
.MaxDrawBuffers
) {
1127 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(draw buffer %u)",
1128 func
, d
->pname
- GL_DRAW_BUFFER0_ARB
);
1132 case EXTRA_VALID_TEXTURE_UNIT
:
1133 if (ctx
->Texture
.CurrentUnit
>= ctx
->Const
.MaxTextureCoordUnits
) {
1134 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(texture %u)",
1135 func
, ctx
->Texture
.CurrentUnit
);
1139 case EXTRA_VALID_CLIP_DISTANCE
:
1140 if (d
->pname
- GL_CLIP_DISTANCE0
>= ctx
->Const
.MaxClipPlanes
) {
1141 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(clip distance %u)",
1142 func
, d
->pname
- GL_CLIP_DISTANCE0
);
1146 case EXTRA_GLSL_130
:
1147 api_check
= GL_TRUE
;
1148 if (ctx
->Const
.GLSLVersion
>= 130)
1149 api_found
= GL_TRUE
;
1151 case EXTRA_EXT_UBO_GS4
:
1152 api_check
= GL_TRUE
;
1153 api_found
= (ctx
->Extensions
.ARB_uniform_buffer_object
&&
1154 _mesa_has_geometry_shaders(ctx
));
1156 case EXTRA_EXT_ATOMICS_GS4
:
1157 api_check
= GL_TRUE
;
1158 api_found
= (ctx
->Extensions
.ARB_shader_atomic_counters
&&
1159 _mesa_has_geometry_shaders(ctx
));
1161 case EXTRA_EXT_SHADER_IMAGE_GS4
:
1162 api_check
= GL_TRUE
;
1163 api_found
= (ctx
->Extensions
.ARB_shader_image_load_store
&&
1164 _mesa_has_geometry_shaders(ctx
));
1166 case EXTRA_EXT_ATOMICS_TESS
:
1167 api_check
= GL_TRUE
;
1168 api_found
= ctx
->Extensions
.ARB_shader_atomic_counters
&&
1169 _mesa_has_tessellation(ctx
);
1171 case EXTRA_EXT_SHADER_IMAGE_TESS
:
1172 api_check
= GL_TRUE
;
1173 api_found
= ctx
->Extensions
.ARB_shader_image_load_store
&&
1174 _mesa_has_tessellation(ctx
);
1178 default: /* *e is a offset into the extension struct */
1179 api_check
= GL_TRUE
;
1180 if (*(GLboolean
*) ((char *) &ctx
->Extensions
+ *e
))
1181 api_found
= GL_TRUE
;
1186 if (api_check
&& !api_found
) {
1187 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(pname=%s)", func
,
1188 _mesa_enum_to_string(d
->pname
));
1195 static const struct value_desc error_value
=
1196 { 0, 0, TYPE_INVALID
, NO_OFFSET
, NO_EXTRA
};
1199 * Find the struct value_desc corresponding to the enum 'pname'.
1201 * We hash the enum value to get an index into the 'table' array,
1202 * which holds the index in the 'values' array of struct value_desc.
1203 * Once we've found the entry, we do the extra checks, if any, then
1204 * look up the value and return a pointer to it.
1206 * If the value has to be computed (for example, it's the result of a
1207 * function call or we need to add 1 to it), we use the tmp 'v' to
1210 * \param func name of glGet*v() func for error reporting
1211 * \param pname the enum value we're looking up
1212 * \param p is were we return the pointer to the value
1213 * \param v a tmp union value variable in the calling glGet*v() function
1215 * \return the struct value_desc corresponding to the enum or a struct
1216 * value_desc of TYPE_INVALID if not found. This lets the calling
1217 * glGet*v() function jump right into a switch statement and
1218 * handle errors there instead of having to check for NULL.
1220 static const struct value_desc
*
1221 find_value(const char *func
, GLenum pname
, void **p
, union value
*v
)
1223 GET_CURRENT_CONTEXT(ctx
);
1224 struct gl_texture_unit
*unit
;
1226 const struct value_desc
*d
;
1230 /* We index into the table_set[] list of per-API hash tables using the API's
1231 * value in the gl_api enum. Since GLES 3 doesn't have an API_OPENGL* enum
1232 * value since it's compatible with GLES2 its entry in table_set[] is at the
1235 STATIC_ASSERT(ARRAY_SIZE(table_set
) == API_OPENGL_LAST
+ 2);
1236 if (_mesa_is_gles3(ctx
)) {
1237 api
= API_OPENGL_LAST
+ 1;
1239 mask
= ARRAY_SIZE(table(api
)) - 1;
1240 hash
= (pname
* prime_factor
);
1242 int idx
= table(api
)[hash
& mask
];
1244 /* If the enum isn't valid, the hash walk ends with index 0,
1245 * pointing to the first entry of values[] which doesn't hold
1246 * any valid enum. */
1247 if (unlikely(idx
== 0)) {
1248 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(pname=%s)", func
,
1249 _mesa_enum_to_string(pname
));
1250 return &error_value
;
1254 if (likely(d
->pname
== pname
))
1260 if (unlikely(d
->extra
&& !check_extra(ctx
, func
, d
)))
1261 return &error_value
;
1263 switch (d
->location
) {
1265 *p
= ((char *) ctx
->DrawBuffer
+ d
->offset
);
1268 *p
= ((char *) ctx
+ d
->offset
);
1271 *p
= ((char *) ctx
->Array
.VAO
+ d
->offset
);
1274 unit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
1275 *p
= ((char *) unit
+ d
->offset
);
1278 find_custom_value(ctx
, d
, v
);
1286 /* silence warning */
1287 return &error_value
;
1290 static const int transpose
[] = {
1298 _mesa_GetBooleanv(GLenum pname
, GLboolean
*params
)
1300 const struct value_desc
*d
;
1306 d
= find_value("glGetBooleanv", pname
, &p
, &v
);
1311 params
[0] = INT_TO_BOOLEAN(d
->offset
);
1316 params
[3] = FLOAT_TO_BOOLEAN(((GLfloat
*) p
)[3]);
1319 params
[2] = FLOAT_TO_BOOLEAN(((GLfloat
*) p
)[2]);
1322 params
[1] = FLOAT_TO_BOOLEAN(((GLfloat
*) p
)[1]);
1325 params
[0] = FLOAT_TO_BOOLEAN(((GLfloat
*) p
)[0]);
1328 case TYPE_DOUBLEN_2
:
1329 params
[1] = FLOAT_TO_BOOLEAN(((GLdouble
*) p
)[1]);
1331 params
[0] = FLOAT_TO_BOOLEAN(((GLdouble
*) p
)[0]);
1335 params
[3] = INT_TO_BOOLEAN(((GLint
*) p
)[3]);
1337 params
[2] = INT_TO_BOOLEAN(((GLint
*) p
)[2]);
1340 params
[1] = INT_TO_BOOLEAN(((GLint
*) p
)[1]);
1343 params
[0] = INT_TO_BOOLEAN(((GLint
*) p
)[0]);
1347 for (i
= 0; i
< v
.value_int_n
.n
; i
++)
1348 params
[i
] = INT_TO_BOOLEAN(v
.value_int_n
.ints
[i
]);
1352 params
[0] = INT64_TO_BOOLEAN(((GLint64
*) p
)[0]);
1356 params
[0] = ((GLboolean
*) p
)[0];
1360 m
= *(GLmatrix
**) p
;
1361 for (i
= 0; i
< 16; i
++)
1362 params
[i
] = FLOAT_TO_BOOLEAN(m
->m
[i
]);
1366 m
= *(GLmatrix
**) p
;
1367 for (i
= 0; i
< 16; i
++)
1368 params
[i
] = FLOAT_TO_BOOLEAN(m
->m
[transpose
[i
]]);
1379 shift
= d
->type
- TYPE_BIT_0
;
1380 params
[0] = (*(GLbitfield
*) p
>> shift
) & 1;
1386 _mesa_GetFloatv(GLenum pname
, GLfloat
*params
)
1388 const struct value_desc
*d
;
1394 d
= find_value("glGetFloatv", pname
, &p
, &v
);
1399 params
[0] = (GLfloat
) d
->offset
;
1404 params
[3] = ((GLfloat
*) p
)[3];
1407 params
[2] = ((GLfloat
*) p
)[2];
1410 params
[1] = ((GLfloat
*) p
)[1];
1413 params
[0] = ((GLfloat
*) p
)[0];
1416 case TYPE_DOUBLEN_2
:
1417 params
[1] = (GLfloat
) (((GLdouble
*) p
)[1]);
1419 params
[0] = (GLfloat
) (((GLdouble
*) p
)[0]);
1423 params
[3] = (GLfloat
) (((GLint
*) p
)[3]);
1425 params
[2] = (GLfloat
) (((GLint
*) p
)[2]);
1428 params
[1] = (GLfloat
) (((GLint
*) p
)[1]);
1431 params
[0] = (GLfloat
) (((GLint
*) p
)[0]);
1435 for (i
= 0; i
< v
.value_int_n
.n
; i
++)
1436 params
[i
] = INT_TO_FLOAT(v
.value_int_n
.ints
[i
]);
1440 params
[0] = (GLfloat
) (((GLint64
*) p
)[0]);
1444 params
[0] = BOOLEAN_TO_FLOAT(*(GLboolean
*) p
);
1448 m
= *(GLmatrix
**) p
;
1449 for (i
= 0; i
< 16; i
++)
1450 params
[i
] = m
->m
[i
];
1454 m
= *(GLmatrix
**) p
;
1455 for (i
= 0; i
< 16; i
++)
1456 params
[i
] = m
->m
[transpose
[i
]];
1467 shift
= d
->type
- TYPE_BIT_0
;
1468 params
[0] = BOOLEAN_TO_FLOAT((*(GLbitfield
*) p
>> shift
) & 1);
1474 _mesa_GetIntegerv(GLenum pname
, GLint
*params
)
1476 const struct value_desc
*d
;
1482 d
= find_value("glGetIntegerv", pname
, &p
, &v
);
1487 params
[0] = d
->offset
;
1491 params
[3] = IROUND(((GLfloat
*) p
)[3]);
1493 params
[2] = IROUND(((GLfloat
*) p
)[2]);
1495 params
[1] = IROUND(((GLfloat
*) p
)[1]);
1497 params
[0] = IROUND(((GLfloat
*) p
)[0]);
1501 params
[3] = FLOAT_TO_INT(((GLfloat
*) p
)[3]);
1503 params
[2] = FLOAT_TO_INT(((GLfloat
*) p
)[2]);
1505 params
[1] = FLOAT_TO_INT(((GLfloat
*) p
)[1]);
1507 params
[0] = FLOAT_TO_INT(((GLfloat
*) p
)[0]);
1510 case TYPE_DOUBLEN_2
:
1511 params
[1] = FLOAT_TO_INT(((GLdouble
*) p
)[1]);
1513 params
[0] = FLOAT_TO_INT(((GLdouble
*) p
)[0]);
1517 params
[3] = ((GLint
*) p
)[3];
1519 params
[2] = ((GLint
*) p
)[2];
1522 params
[1] = ((GLint
*) p
)[1];
1525 params
[0] = ((GLint
*) p
)[0];
1529 for (i
= 0; i
< v
.value_int_n
.n
; i
++)
1530 params
[i
] = v
.value_int_n
.ints
[i
];
1534 params
[0] = INT64_TO_INT(((GLint64
*) p
)[0]);
1538 params
[0] = BOOLEAN_TO_INT(*(GLboolean
*) p
);
1542 m
= *(GLmatrix
**) p
;
1543 for (i
= 0; i
< 16; i
++)
1544 params
[i
] = FLOAT_TO_INT(m
->m
[i
]);
1548 m
= *(GLmatrix
**) p
;
1549 for (i
= 0; i
< 16; i
++)
1550 params
[i
] = FLOAT_TO_INT(m
->m
[transpose
[i
]]);
1561 shift
= d
->type
- TYPE_BIT_0
;
1562 params
[0] = (*(GLbitfield
*) p
>> shift
) & 1;
1568 _mesa_GetInteger64v(GLenum pname
, GLint64
*params
)
1570 const struct value_desc
*d
;
1576 d
= find_value("glGetInteger64v", pname
, &p
, &v
);
1581 params
[0] = d
->offset
;
1585 params
[3] = IROUND64(((GLfloat
*) p
)[3]);
1587 params
[2] = IROUND64(((GLfloat
*) p
)[2]);
1589 params
[1] = IROUND64(((GLfloat
*) p
)[1]);
1591 params
[0] = IROUND64(((GLfloat
*) p
)[0]);
1595 params
[3] = FLOAT_TO_INT64(((GLfloat
*) p
)[3]);
1597 params
[2] = FLOAT_TO_INT64(((GLfloat
*) p
)[2]);
1599 params
[1] = FLOAT_TO_INT64(((GLfloat
*) p
)[1]);
1601 params
[0] = FLOAT_TO_INT64(((GLfloat
*) p
)[0]);
1604 case TYPE_DOUBLEN_2
:
1605 params
[1] = FLOAT_TO_INT64(((GLdouble
*) p
)[1]);
1607 params
[0] = FLOAT_TO_INT64(((GLdouble
*) p
)[0]);
1611 params
[3] = ((GLint
*) p
)[3];
1613 params
[2] = ((GLint
*) p
)[2];
1616 params
[1] = ((GLint
*) p
)[1];
1619 params
[0] = ((GLint
*) p
)[0];
1623 for (i
= 0; i
< v
.value_int_n
.n
; i
++)
1624 params
[i
] = INT_TO_BOOLEAN(v
.value_int_n
.ints
[i
]);
1628 params
[0] = ((GLint64
*) p
)[0];
1632 params
[0] = ((GLboolean
*) p
)[0];
1636 m
= *(GLmatrix
**) p
;
1637 for (i
= 0; i
< 16; i
++)
1638 params
[i
] = FLOAT_TO_INT64(m
->m
[i
]);
1642 m
= *(GLmatrix
**) p
;
1643 for (i
= 0; i
< 16; i
++)
1644 params
[i
] = FLOAT_TO_INT64(m
->m
[transpose
[i
]]);
1655 shift
= d
->type
- TYPE_BIT_0
;
1656 params
[0] = (*(GLbitfield
*) p
>> shift
) & 1;
1662 _mesa_GetDoublev(GLenum pname
, GLdouble
*params
)
1664 const struct value_desc
*d
;
1670 d
= find_value("glGetDoublev", pname
, &p
, &v
);
1675 params
[0] = d
->offset
;
1680 params
[3] = ((GLfloat
*) p
)[3];
1683 params
[2] = ((GLfloat
*) p
)[2];
1686 params
[1] = ((GLfloat
*) p
)[1];
1689 params
[0] = ((GLfloat
*) p
)[0];
1692 case TYPE_DOUBLEN_2
:
1693 params
[1] = ((GLdouble
*) p
)[1];
1695 params
[0] = ((GLdouble
*) p
)[0];
1699 params
[3] = ((GLint
*) p
)[3];
1701 params
[2] = ((GLint
*) p
)[2];
1704 params
[1] = ((GLint
*) p
)[1];
1707 params
[0] = ((GLint
*) p
)[0];
1711 for (i
= 0; i
< v
.value_int_n
.n
; i
++)
1712 params
[i
] = v
.value_int_n
.ints
[i
];
1716 params
[0] = (GLdouble
) (((GLint64
*) p
)[0]);
1720 params
[0] = *(GLboolean
*) p
;
1724 m
= *(GLmatrix
**) p
;
1725 for (i
= 0; i
< 16; i
++)
1726 params
[i
] = m
->m
[i
];
1730 m
= *(GLmatrix
**) p
;
1731 for (i
= 0; i
< 16; i
++)
1732 params
[i
] = m
->m
[transpose
[i
]];
1743 shift
= d
->type
- TYPE_BIT_0
;
1744 params
[0] = (*(GLbitfield
*) p
>> shift
) & 1;
1749 static enum value_type
1750 find_value_indexed(const char *func
, GLenum pname
, GLuint index
, union value
*v
)
1752 GET_CURRENT_CONTEXT(ctx
);
1757 if (index
>= ctx
->Const
.MaxDrawBuffers
)
1759 if (!ctx
->Extensions
.EXT_draw_buffers2
)
1761 v
->value_int
= (ctx
->Color
.BlendEnabled
>> index
) & 1;
1766 case GL_BLEND_SRC_RGB
:
1767 if (index
>= ctx
->Const
.MaxDrawBuffers
)
1769 if (!ctx
->Extensions
.ARB_draw_buffers_blend
)
1771 v
->value_int
= ctx
->Color
.Blend
[index
].SrcRGB
;
1773 case GL_BLEND_SRC_ALPHA
:
1774 if (index
>= ctx
->Const
.MaxDrawBuffers
)
1776 if (!ctx
->Extensions
.ARB_draw_buffers_blend
)
1778 v
->value_int
= ctx
->Color
.Blend
[index
].SrcA
;
1782 case GL_BLEND_DST_RGB
:
1783 if (index
>= ctx
->Const
.MaxDrawBuffers
)
1785 if (!ctx
->Extensions
.ARB_draw_buffers_blend
)
1787 v
->value_int
= ctx
->Color
.Blend
[index
].DstRGB
;
1789 case GL_BLEND_DST_ALPHA
:
1790 if (index
>= ctx
->Const
.MaxDrawBuffers
)
1792 if (!ctx
->Extensions
.ARB_draw_buffers_blend
)
1794 v
->value_int
= ctx
->Color
.Blend
[index
].DstA
;
1796 case GL_BLEND_EQUATION_RGB
:
1797 if (index
>= ctx
->Const
.MaxDrawBuffers
)
1799 if (!ctx
->Extensions
.ARB_draw_buffers_blend
)
1801 v
->value_int
= ctx
->Color
.Blend
[index
].EquationRGB
;
1803 case GL_BLEND_EQUATION_ALPHA
:
1804 if (index
>= ctx
->Const
.MaxDrawBuffers
)
1806 if (!ctx
->Extensions
.ARB_draw_buffers_blend
)
1808 v
->value_int
= ctx
->Color
.Blend
[index
].EquationA
;
1811 case GL_COLOR_WRITEMASK
:
1812 if (index
>= ctx
->Const
.MaxDrawBuffers
)
1814 if (!ctx
->Extensions
.EXT_draw_buffers2
)
1816 v
->value_int_4
[0] = ctx
->Color
.ColorMask
[index
][RCOMP
] ? 1 : 0;
1817 v
->value_int_4
[1] = ctx
->Color
.ColorMask
[index
][GCOMP
] ? 1 : 0;
1818 v
->value_int_4
[2] = ctx
->Color
.ColorMask
[index
][BCOMP
] ? 1 : 0;
1819 v
->value_int_4
[3] = ctx
->Color
.ColorMask
[index
][ACOMP
] ? 1 : 0;
1822 case GL_SCISSOR_BOX
:
1823 if (index
>= ctx
->Const
.MaxViewports
)
1825 v
->value_int_4
[0] = ctx
->Scissor
.ScissorArray
[index
].X
;
1826 v
->value_int_4
[1] = ctx
->Scissor
.ScissorArray
[index
].Y
;
1827 v
->value_int_4
[2] = ctx
->Scissor
.ScissorArray
[index
].Width
;
1828 v
->value_int_4
[3] = ctx
->Scissor
.ScissorArray
[index
].Height
;
1832 if (index
>= ctx
->Const
.MaxViewports
)
1834 v
->value_float_4
[0] = ctx
->ViewportArray
[index
].X
;
1835 v
->value_float_4
[1] = ctx
->ViewportArray
[index
].Y
;
1836 v
->value_float_4
[2] = ctx
->ViewportArray
[index
].Width
;
1837 v
->value_float_4
[3] = ctx
->ViewportArray
[index
].Height
;
1838 return TYPE_FLOAT_4
;
1840 case GL_DEPTH_RANGE
:
1841 if (index
>= ctx
->Const
.MaxViewports
)
1843 v
->value_double_2
[0] = ctx
->ViewportArray
[index
].Near
;
1844 v
->value_double_2
[1] = ctx
->ViewportArray
[index
].Far
;
1845 return TYPE_DOUBLEN_2
;
1847 case GL_TRANSFORM_FEEDBACK_BUFFER_START
:
1848 if (index
>= ctx
->Const
.MaxTransformFeedbackBuffers
)
1850 if (!ctx
->Extensions
.EXT_transform_feedback
)
1852 v
->value_int64
= ctx
->TransformFeedback
.CurrentObject
->Offset
[index
];
1855 case GL_TRANSFORM_FEEDBACK_BUFFER_SIZE
:
1856 if (index
>= ctx
->Const
.MaxTransformFeedbackBuffers
)
1858 if (!ctx
->Extensions
.EXT_transform_feedback
)
1861 = ctx
->TransformFeedback
.CurrentObject
->RequestedSize
[index
];
1864 case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING
:
1865 if (index
>= ctx
->Const
.MaxTransformFeedbackBuffers
)
1867 if (!ctx
->Extensions
.EXT_transform_feedback
)
1869 v
->value_int
= ctx
->TransformFeedback
.CurrentObject
->BufferNames
[index
];
1872 case GL_UNIFORM_BUFFER_BINDING
:
1873 if (index
>= ctx
->Const
.MaxUniformBufferBindings
)
1875 if (!ctx
->Extensions
.ARB_uniform_buffer_object
)
1877 v
->value_int
= ctx
->UniformBufferBindings
[index
].BufferObject
->Name
;
1880 case GL_UNIFORM_BUFFER_START
:
1881 if (index
>= ctx
->Const
.MaxUniformBufferBindings
)
1883 if (!ctx
->Extensions
.ARB_uniform_buffer_object
)
1885 v
->value_int
= ctx
->UniformBufferBindings
[index
].Offset
;
1888 case GL_UNIFORM_BUFFER_SIZE
:
1889 if (index
>= ctx
->Const
.MaxUniformBufferBindings
)
1891 if (!ctx
->Extensions
.ARB_uniform_buffer_object
)
1893 v
->value_int
= ctx
->UniformBufferBindings
[index
].Size
;
1896 /* ARB_texture_multisample / GL3.2 */
1897 case GL_SAMPLE_MASK_VALUE
:
1900 if (!ctx
->Extensions
.ARB_texture_multisample
)
1902 v
->value_int
= ctx
->Multisample
.SampleMaskValue
;
1905 case GL_ATOMIC_COUNTER_BUFFER_BINDING
:
1906 if (!ctx
->Extensions
.ARB_shader_atomic_counters
)
1908 if (index
>= ctx
->Const
.MaxAtomicBufferBindings
)
1910 v
->value_int
= ctx
->AtomicBufferBindings
[index
].BufferObject
->Name
;
1913 case GL_ATOMIC_COUNTER_BUFFER_START
:
1914 if (!ctx
->Extensions
.ARB_shader_atomic_counters
)
1916 if (index
>= ctx
->Const
.MaxAtomicBufferBindings
)
1918 v
->value_int64
= ctx
->AtomicBufferBindings
[index
].Offset
;
1921 case GL_ATOMIC_COUNTER_BUFFER_SIZE
:
1922 if (!ctx
->Extensions
.ARB_shader_atomic_counters
)
1924 if (index
>= ctx
->Const
.MaxAtomicBufferBindings
)
1926 v
->value_int64
= ctx
->AtomicBufferBindings
[index
].Size
;
1929 case GL_VERTEX_BINDING_DIVISOR
:
1930 if (!_mesa_is_desktop_gl(ctx
) || !ctx
->Extensions
.ARB_instanced_arrays
)
1932 if (index
>= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
)
1934 v
->value_int
= ctx
->Array
.VAO
->VertexBinding
[VERT_ATTRIB_GENERIC(index
)].InstanceDivisor
;
1937 case GL_VERTEX_BINDING_OFFSET
:
1938 if (!_mesa_is_desktop_gl(ctx
))
1940 if (index
>= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
)
1942 v
->value_int
= ctx
->Array
.VAO
->VertexBinding
[VERT_ATTRIB_GENERIC(index
)].Offset
;
1945 case GL_VERTEX_BINDING_STRIDE
:
1946 if (!_mesa_is_desktop_gl(ctx
))
1948 if (index
>= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
)
1950 v
->value_int
= ctx
->Array
.VAO
->VertexBinding
[VERT_ATTRIB_GENERIC(index
)].Stride
;
1953 /* ARB_shader_image_load_store */
1954 case GL_IMAGE_BINDING_NAME
: {
1955 struct gl_texture_object
*t
;
1957 if (!ctx
->Extensions
.ARB_shader_image_load_store
)
1959 if (index
>= ctx
->Const
.MaxImageUnits
)
1962 t
= ctx
->ImageUnits
[index
].TexObj
;
1963 v
->value_int
= (t
? t
->Name
: 0);
1967 case GL_IMAGE_BINDING_LEVEL
:
1968 if (!ctx
->Extensions
.ARB_shader_image_load_store
)
1970 if (index
>= ctx
->Const
.MaxImageUnits
)
1973 v
->value_int
= ctx
->ImageUnits
[index
].Level
;
1976 case GL_IMAGE_BINDING_LAYERED
:
1977 if (!ctx
->Extensions
.ARB_shader_image_load_store
)
1979 if (index
>= ctx
->Const
.MaxImageUnits
)
1982 v
->value_int
= ctx
->ImageUnits
[index
].Layered
;
1985 case GL_IMAGE_BINDING_LAYER
:
1986 if (!ctx
->Extensions
.ARB_shader_image_load_store
)
1988 if (index
>= ctx
->Const
.MaxImageUnits
)
1991 v
->value_int
= ctx
->ImageUnits
[index
].Layer
;
1994 case GL_IMAGE_BINDING_ACCESS
:
1995 if (!ctx
->Extensions
.ARB_shader_image_load_store
)
1997 if (index
>= ctx
->Const
.MaxImageUnits
)
2000 v
->value_int
= ctx
->ImageUnits
[index
].Access
;
2003 case GL_IMAGE_BINDING_FORMAT
:
2004 if (!ctx
->Extensions
.ARB_shader_image_load_store
)
2006 if (index
>= ctx
->Const
.MaxImageUnits
)
2009 v
->value_int
= ctx
->ImageUnits
[index
].Format
;
2012 case GL_MAX_COMPUTE_WORK_GROUP_COUNT
:
2013 if (!_mesa_is_desktop_gl(ctx
) || !ctx
->Extensions
.ARB_compute_shader
)
2017 v
->value_int
= ctx
->Const
.MaxComputeWorkGroupCount
[index
];
2020 case GL_MAX_COMPUTE_WORK_GROUP_SIZE
:
2021 if (!_mesa_is_desktop_gl(ctx
) || !ctx
->Extensions
.ARB_compute_shader
)
2025 v
->value_int
= ctx
->Const
.MaxComputeWorkGroupSize
[index
];
2030 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(pname=%s)", func
,
2031 _mesa_enum_to_string(pname
));
2032 return TYPE_INVALID
;
2034 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(pname=%s)", func
,
2035 _mesa_enum_to_string(pname
));
2036 return TYPE_INVALID
;
2040 _mesa_GetBooleani_v( GLenum pname
, GLuint index
, GLboolean
*params
)
2043 enum value_type type
=
2044 find_value_indexed("glGetBooleani_v", pname
, index
, &v
);
2048 params
[0] = INT_TO_BOOLEAN(v
.value_int
);
2051 params
[0] = INT_TO_BOOLEAN(v
.value_int_4
[0]);
2052 params
[1] = INT_TO_BOOLEAN(v
.value_int_4
[1]);
2053 params
[2] = INT_TO_BOOLEAN(v
.value_int_4
[2]);
2054 params
[3] = INT_TO_BOOLEAN(v
.value_int_4
[3]);
2057 params
[0] = INT64_TO_BOOLEAN(v
.value_int64
);
2060 ; /* nothing - GL error was recorded */
2065 _mesa_GetIntegeri_v( GLenum pname
, GLuint index
, GLint
*params
)
2068 enum value_type type
=
2069 find_value_indexed("glGetIntegeri_v", pname
, index
, &v
);
2074 params
[3] = IROUND(v
.value_float_4
[3]);
2077 params
[2] = IROUND(v
.value_float_4
[2]);
2080 params
[1] = IROUND(v
.value_float_4
[1]);
2083 params
[0] = IROUND(v
.value_float_4
[0]);
2086 case TYPE_DOUBLEN_2
:
2087 params
[1] = IROUND(v
.value_double_2
[1]);
2089 params
[0] = IROUND(v
.value_double_2
[0]);
2093 params
[0] = v
.value_int
;
2096 params
[0] = v
.value_int_4
[0];
2097 params
[1] = v
.value_int_4
[1];
2098 params
[2] = v
.value_int_4
[2];
2099 params
[3] = v
.value_int_4
[3];
2102 params
[0] = INT64_TO_INT(v
.value_int64
);
2105 ; /* nothing - GL error was recorded */
2110 _mesa_GetInteger64i_v( GLenum pname
, GLuint index
, GLint64
*params
)
2113 enum value_type type
=
2114 find_value_indexed("glGetInteger64i_v", pname
, index
, &v
);
2118 params
[0] = v
.value_int
;
2121 params
[0] = v
.value_int_4
[0];
2122 params
[1] = v
.value_int_4
[1];
2123 params
[2] = v
.value_int_4
[2];
2124 params
[3] = v
.value_int_4
[3];
2127 params
[0] = v
.value_int64
;
2130 ; /* nothing - GL error was recorded */
2135 _mesa_GetFloati_v(GLenum pname
, GLuint index
, GLfloat
*params
)
2140 enum value_type type
=
2141 find_value_indexed("glGetFloati_v", pname
, index
, &v
);
2146 params
[3] = v
.value_float_4
[3];
2149 params
[2] = v
.value_float_4
[2];
2152 params
[1] = v
.value_float_4
[1];
2155 params
[0] = v
.value_float_4
[0];
2158 case TYPE_DOUBLEN_2
:
2159 params
[1] = (GLfloat
) v
.value_double_2
[1];
2161 params
[0] = (GLfloat
) v
.value_double_2
[0];
2165 params
[3] = (GLfloat
) v
.value_int_4
[3];
2167 params
[2] = (GLfloat
) v
.value_int_4
[2];
2170 params
[1] = (GLfloat
) v
.value_int_4
[1];
2173 params
[0] = (GLfloat
) v
.value_int_4
[0];
2177 for (i
= 0; i
< v
.value_int_n
.n
; i
++)
2178 params
[i
] = INT_TO_FLOAT(v
.value_int_n
.ints
[i
]);
2182 params
[0] = (GLfloat
) v
.value_int64
;
2186 params
[0] = BOOLEAN_TO_FLOAT(v
.value_bool
);
2190 m
= *(GLmatrix
**) &v
;
2191 for (i
= 0; i
< 16; i
++)
2192 params
[i
] = m
->m
[i
];
2196 m
= *(GLmatrix
**) &v
;
2197 for (i
= 0; i
< 16; i
++)
2198 params
[i
] = m
->m
[transpose
[i
]];
2207 _mesa_GetDoublei_v(GLenum pname
, GLuint index
, GLdouble
*params
)
2212 enum value_type type
=
2213 find_value_indexed("glGetDoublei_v", pname
, index
, &v
);
2218 params
[3] = (GLdouble
) v
.value_float_4
[3];
2221 params
[2] = (GLdouble
) v
.value_float_4
[2];
2224 params
[1] = (GLdouble
) v
.value_float_4
[1];
2227 params
[0] = (GLdouble
) v
.value_float_4
[0];
2230 case TYPE_DOUBLEN_2
:
2231 params
[1] = v
.value_double_2
[1];
2233 params
[0] = v
.value_double_2
[0];
2237 params
[3] = (GLdouble
) v
.value_int_4
[3];
2239 params
[2] = (GLdouble
) v
.value_int_4
[2];
2242 params
[1] = (GLdouble
) v
.value_int_4
[1];
2245 params
[0] = (GLdouble
) v
.value_int_4
[0];
2249 for (i
= 0; i
< v
.value_int_n
.n
; i
++)
2250 params
[i
] = (GLdouble
) INT_TO_FLOAT(v
.value_int_n
.ints
[i
]);
2254 params
[0] = (GLdouble
) v
.value_int64
;
2258 params
[0] = (GLdouble
) BOOLEAN_TO_FLOAT(v
.value_bool
);
2262 m
= *(GLmatrix
**) &v
;
2263 for (i
= 0; i
< 16; i
++)
2264 params
[i
] = (GLdouble
) m
->m
[i
];
2268 m
= *(GLmatrix
**) &v
;
2269 for (i
= 0; i
< 16; i
++)
2270 params
[i
] = (GLdouble
) m
->m
[transpose
[i
]];
2279 _mesa_GetFixedv(GLenum pname
, GLfixed
*params
)
2281 const struct value_desc
*d
;
2287 d
= find_value("glGetDoublev", pname
, &p
, &v
);
2292 params
[0] = INT_TO_FIXED(d
->offset
);
2297 params
[3] = FLOAT_TO_FIXED(((GLfloat
*) p
)[3]);
2300 params
[2] = FLOAT_TO_FIXED(((GLfloat
*) p
)[2]);
2303 params
[1] = FLOAT_TO_FIXED(((GLfloat
*) p
)[1]);
2306 params
[0] = FLOAT_TO_FIXED(((GLfloat
*) p
)[0]);
2309 case TYPE_DOUBLEN_2
:
2310 params
[1] = FLOAT_TO_FIXED(((GLdouble
*) p
)[1]);
2312 params
[0] = FLOAT_TO_FIXED(((GLdouble
*) p
)[0]);
2316 params
[3] = INT_TO_FIXED(((GLint
*) p
)[3]);
2318 params
[2] = INT_TO_FIXED(((GLint
*) p
)[2]);
2321 params
[1] = INT_TO_FIXED(((GLint
*) p
)[1]);
2324 params
[0] = INT_TO_FIXED(((GLint
*) p
)[0]);
2328 for (i
= 0; i
< v
.value_int_n
.n
; i
++)
2329 params
[i
] = INT_TO_FIXED(v
.value_int_n
.ints
[i
]);
2333 params
[0] = ((GLint64
*) p
)[0];
2337 params
[0] = BOOLEAN_TO_FIXED(((GLboolean
*) p
)[0]);
2341 m
= *(GLmatrix
**) p
;
2342 for (i
= 0; i
< 16; i
++)
2343 params
[i
] = FLOAT_TO_FIXED(m
->m
[i
]);
2347 m
= *(GLmatrix
**) p
;
2348 for (i
= 0; i
< 16; i
++)
2349 params
[i
] = FLOAT_TO_FIXED(m
->m
[transpose
[i
]]);
2360 shift
= d
->type
- TYPE_BIT_0
;
2361 params
[0] = BOOLEAN_TO_FIXED((*(GLbitfield
*) p
>> shift
) & 1);