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
{
142 EXTRA_NEW_FRAG_CLAMP
,
143 EXTRA_VALID_DRAW_BUFFER
,
144 EXTRA_VALID_TEXTURE_UNIT
,
145 EXTRA_VALID_CLIP_DISTANCE
,
149 EXTRA_EXT_ATOMICS_GS4
,
150 EXTRA_EXT_SHADER_IMAGE_GS4
,
153 #define NO_EXTRA NULL
158 GLubyte location
; /**< enum value_location */
159 GLubyte type
; /**< enum value_type */
166 GLfloat value_float_4
[4];
167 GLdouble value_double_2
[2];
168 GLmatrix
*value_matrix
;
170 GLint value_int_4
[4];
174 /* Sigh, see GL_COMPRESSED_TEXTURE_FORMATS_ARB handling */
178 GLboolean value_bool
;
181 #define BUFFER_FIELD(field, type) \
182 LOC_BUFFER, type, offsetof(struct gl_framebuffer, field)
183 #define CONTEXT_FIELD(field, type) \
184 LOC_CONTEXT, type, offsetof(struct gl_context, field)
185 #define ARRAY_FIELD(field, type) \
186 LOC_ARRAY, type, offsetof(struct gl_vertex_array_object, field)
187 #undef CONST /* already defined through windows.h */
188 #define CONST(value) \
189 LOC_CONTEXT, TYPE_CONST, value
191 #define BUFFER_INT(field) BUFFER_FIELD(field, TYPE_INT)
192 #define BUFFER_ENUM(field) BUFFER_FIELD(field, TYPE_ENUM)
193 #define BUFFER_BOOL(field) BUFFER_FIELD(field, TYPE_BOOLEAN)
195 #define CONTEXT_INT(field) CONTEXT_FIELD(field, TYPE_INT)
196 #define CONTEXT_INT2(field) CONTEXT_FIELD(field, TYPE_INT_2)
197 #define CONTEXT_INT64(field) CONTEXT_FIELD(field, TYPE_INT64)
198 #define CONTEXT_ENUM(field) CONTEXT_FIELD(field, TYPE_ENUM)
199 #define CONTEXT_ENUM2(field) CONTEXT_FIELD(field, TYPE_ENUM_2)
200 #define CONTEXT_BOOL(field) CONTEXT_FIELD(field, TYPE_BOOLEAN)
201 #define CONTEXT_BIT0(field) CONTEXT_FIELD(field, TYPE_BIT_0)
202 #define CONTEXT_BIT1(field) CONTEXT_FIELD(field, TYPE_BIT_1)
203 #define CONTEXT_BIT2(field) CONTEXT_FIELD(field, TYPE_BIT_2)
204 #define CONTEXT_BIT3(field) CONTEXT_FIELD(field, TYPE_BIT_3)
205 #define CONTEXT_BIT4(field) CONTEXT_FIELD(field, TYPE_BIT_4)
206 #define CONTEXT_BIT5(field) CONTEXT_FIELD(field, TYPE_BIT_5)
207 #define CONTEXT_BIT6(field) CONTEXT_FIELD(field, TYPE_BIT_6)
208 #define CONTEXT_BIT7(field) CONTEXT_FIELD(field, TYPE_BIT_7)
209 #define CONTEXT_FLOAT(field) CONTEXT_FIELD(field, TYPE_FLOAT)
210 #define CONTEXT_FLOAT2(field) CONTEXT_FIELD(field, TYPE_FLOAT_2)
211 #define CONTEXT_FLOAT3(field) CONTEXT_FIELD(field, TYPE_FLOAT_3)
212 #define CONTEXT_FLOAT4(field) CONTEXT_FIELD(field, TYPE_FLOAT_4)
213 #define CONTEXT_MATRIX(field) CONTEXT_FIELD(field, TYPE_MATRIX)
214 #define CONTEXT_MATRIX_T(field) CONTEXT_FIELD(field, TYPE_MATRIX_T)
216 #define ARRAY_INT(field) ARRAY_FIELD(field, TYPE_INT)
217 #define ARRAY_ENUM(field) ARRAY_FIELD(field, TYPE_ENUM)
218 #define ARRAY_BOOL(field) ARRAY_FIELD(field, TYPE_BOOLEAN)
221 offsetof(struct gl_extensions, f)
223 #define EXTRA_EXT(e) \
224 static const int extra_##e[] = { \
228 #define EXTRA_EXT2(e1, e2) \
229 static const int extra_##e1##_##e2[] = { \
230 EXT(e1), EXT(e2), EXTRA_END \
233 /* The 'extra' mechanism is a way to specify extra checks (such as
234 * extensions or specific gl versions) or actions (flush current, new
235 * buffers) that we need to do before looking up an enum. We need to
236 * declare them all up front so we can refer to them in the value_desc
239 * Each EXTRA_ will be executed. For EXTRA_* enums of extensions and API
240 * versions, listing multiple ones in an array means an error will be thrown
241 * only if none of them are available. If you need to check for "AND"
242 * behavior, you would need to make a custom EXTRA_ enum.
245 static const int extra_new_buffers
[] = {
250 static const int extra_new_frag_clamp
[] = {
251 EXTRA_NEW_FRAG_CLAMP
,
255 static const int extra_valid_draw_buffer
[] = {
256 EXTRA_VALID_DRAW_BUFFER
,
260 static const int extra_valid_texture_unit
[] = {
261 EXTRA_VALID_TEXTURE_UNIT
,
265 static const int extra_valid_clip_distance
[] = {
266 EXTRA_VALID_CLIP_DISTANCE
,
270 static const int extra_flush_current_valid_texture_unit
[] = {
272 EXTRA_VALID_TEXTURE_UNIT
,
276 static const int extra_flush_current
[] = {
281 static const int extra_EXT_texture_integer
[] = {
282 EXT(EXT_texture_integer
),
286 static const int extra_EXT_texture_integer_and_new_buffers
[] = {
287 EXT(EXT_texture_integer
),
292 static const int extra_GLSL_130_es3
[] = {
298 static const int extra_texture_buffer_object
[] = {
301 EXT(ARB_texture_buffer_object
),
305 static const int extra_ARB_transform_feedback2_api_es3
[] = {
306 EXT(ARB_transform_feedback2
),
311 static const int extra_ARB_uniform_buffer_object_and_geometry_shader
[] = {
316 static const int extra_ARB_ES2_compatibility_api_es2
[] = {
317 EXT(ARB_ES2_compatibility
),
322 static const int extra_ARB_ES3_compatibility_api_es3
[] = {
323 EXT(ARB_ES3_compatibility
),
328 static const int extra_EXT_framebuffer_sRGB_and_new_buffers
[] = {
329 EXT(EXT_framebuffer_sRGB
),
334 static const int extra_EXT_packed_float
[] = {
335 EXT(EXT_packed_float
),
340 static const int extra_EXT_texture_array_es3
[] = {
341 EXT(EXT_texture_array
),
346 static const int extra_ARB_shader_atomic_counters_and_geometry_shader
[] = {
347 EXTRA_EXT_ATOMICS_GS4
,
351 static const int extra_ARB_shader_image_load_store_and_geometry_shader
[] = {
352 EXTRA_EXT_SHADER_IMAGE_GS4
,
356 EXTRA_EXT(ARB_texture_cube_map
);
357 EXTRA_EXT(EXT_texture_array
);
358 EXTRA_EXT(NV_fog_distance
);
359 EXTRA_EXT(EXT_texture_filter_anisotropic
);
360 EXTRA_EXT(NV_point_sprite
);
361 EXTRA_EXT(NV_texture_rectangle
);
362 EXTRA_EXT(EXT_stencil_two_side
);
363 EXTRA_EXT(EXT_depth_bounds_test
);
364 EXTRA_EXT(ARB_depth_clamp
);
365 EXTRA_EXT(ATI_fragment_shader
);
366 EXTRA_EXT(EXT_provoking_vertex
);
367 EXTRA_EXT(ARB_fragment_shader
);
368 EXTRA_EXT(ARB_fragment_program
);
369 EXTRA_EXT2(ARB_framebuffer_object
, EXT_framebuffer_multisample
);
370 EXTRA_EXT(ARB_seamless_cube_map
);
372 EXTRA_EXT(ARB_vertex_shader
);
373 EXTRA_EXT(EXT_transform_feedback
);
374 EXTRA_EXT(ARB_transform_feedback3
);
375 EXTRA_EXT(EXT_pixel_buffer_object
);
376 EXTRA_EXT(ARB_vertex_program
);
377 EXTRA_EXT2(NV_point_sprite
, ARB_point_sprite
);
378 EXTRA_EXT2(ARB_vertex_program
, ARB_fragment_program
);
379 EXTRA_EXT(ARB_geometry_shader4
);
380 EXTRA_EXT(ARB_color_buffer_float
);
381 EXTRA_EXT(EXT_framebuffer_sRGB
);
382 EXTRA_EXT(OES_EGL_image_external
);
383 EXTRA_EXT(ARB_blend_func_extended
);
384 EXTRA_EXT(ARB_uniform_buffer_object
);
385 EXTRA_EXT(ARB_timer_query
);
386 EXTRA_EXT(ARB_texture_cube_map_array
);
387 EXTRA_EXT(ARB_texture_buffer_range
);
388 EXTRA_EXT(ARB_texture_multisample
);
389 EXTRA_EXT(ARB_texture_gather
);
390 EXTRA_EXT(ARB_shader_atomic_counters
);
391 EXTRA_EXT(ARB_draw_indirect
);
392 EXTRA_EXT(ARB_shader_image_load_store
);
393 EXTRA_EXT(ARB_viewport_array
);
394 EXTRA_EXT(ARB_compute_shader
);
395 EXTRA_EXT(ARB_gpu_shader5
);
396 EXTRA_EXT2(ARB_transform_feedback3
, ARB_gpu_shader5
);
397 EXTRA_EXT(INTEL_performance_query
);
400 extra_ARB_color_buffer_float_or_glcore
[] = {
401 EXT(ARB_color_buffer_float
),
407 extra_NV_primitive_restart
[] = {
408 EXT(NV_primitive_restart
),
412 static const int extra_version_30
[] = { EXTRA_VERSION_30
, EXTRA_END
};
413 static const int extra_version_31
[] = { EXTRA_VERSION_31
, EXTRA_END
};
414 static const int extra_version_32
[] = { EXTRA_VERSION_32
, EXTRA_END
};
415 static const int extra_version_40
[] = { EXTRA_VERSION_40
, EXTRA_END
};
417 static const int extra_gl30_es3
[] = {
423 static const int extra_gl32_es3
[] = {
429 static const int extra_gl32_ARB_geometry_shader4
[] = {
431 EXT(ARB_geometry_shader4
),
435 static const int extra_gl40_ARB_sample_shading
[] = {
437 EXT(ARB_sample_shading
),
442 extra_ARB_vertex_program_api_es2
[] = {
443 EXT(ARB_vertex_program
),
448 /* The ReadBuffer get token is valid under either full GL or under
449 * GLES2 if the NV_read_buffer extension is available. */
451 extra_NV_read_buffer_api_gl
[] = {
457 static const int extra_core_ARB_color_buffer_float_and_new_buffers
[] = {
459 EXT(ARB_color_buffer_float
),
464 /* This is the big table describing all the enums we accept in
465 * glGet*v(). The table is partitioned into six parts: enums
466 * understood by all GL APIs (OpenGL, GLES and GLES2), enums shared
467 * between OpenGL and GLES, enums exclusive to GLES, etc for the
468 * remaining combinations. To look up the enums valid in a given API
469 * we will use a hash table specific to that API. These tables are in
470 * turn generated at build time and included through get_hash.h.
473 #include "get_hash.h"
475 /* All we need now is a way to look up the value struct from the enum.
476 * The code generated by gcc for the old generated big switch
477 * statement is a big, balanced, open coded if/else tree, essentially
478 * an unrolled binary search. It would be natural to sort the new
479 * enum table and use bsearch(), but we will use a read-only hash
480 * table instead. bsearch() has a nice guaranteed worst case
481 * performance, but we're also guaranteed to hit that worst case
482 * (log2(n) iterations) for about half the enums. Instead, using an
483 * open addressing hash table, we can find the enum on the first try
484 * for 80% of the enums, 1 collision for 10% and never more than 5
485 * collisions for any enum (typical numbers). And the code is very
486 * simple, even though it feels a little magic. */
490 print_table_stats(int api
)
492 int i
, j
, collisions
[11], count
, hash
, mask
;
493 const struct value_desc
*d
;
494 const char *api_names
[] = {
495 [API_OPENGL_COMPAT
] = "GL",
496 [API_OPENGL_CORE
] = "GL_CORE",
497 [API_OPENGLES
] = "GLES",
498 [API_OPENGLES2
] = "GLES2",
500 const char *api_name
;
502 api_name
= api
< Elements(api_names
) ? api_names
[api
] : "N/A";
504 mask
= Elements(table(api
)) - 1;
505 memset(collisions
, 0, sizeof collisions
);
507 for (i
= 0; i
< Elements(table(api
)); i
++) {
511 d
= &values
[table(api
)[i
]];
512 hash
= (d
->pname
* prime_factor
);
515 if (values
[table(api
)[hash
& mask
]].pname
== d
->pname
)
527 printf("number of enums for %s: %d (total %ld)\n",
528 api_name
, count
, Elements(values
));
529 for (i
= 0; i
< Elements(collisions
) - 1; i
++)
530 if (collisions
[i
] > 0)
531 printf(" %d enums with %d %scollisions\n",
532 collisions
[i
], i
, i
== 10 ? "or more " : "");
537 * Initialize the enum hash for a given API
539 * This is called from one_time_init() to insert the enum values that
540 * are valid for the API in question into the enum hash table.
542 * \param the current context, for determining the API in question
544 void _mesa_init_get_hash(struct gl_context
*ctx
)
547 print_table_stats(ctx
->API
);
554 * Handle irregular enums
556 * Some values don't conform to the "well-known type at context
557 * pointer + offset" pattern, so we have this function to catch all
558 * the corner cases. Typically, it's a computed value or a one-off
559 * pointer to a custom struct or something.
561 * In this case we can't return a pointer to the value, so we'll have
562 * to use the temporary variable 'v' declared back in the calling
563 * glGet*v() function to store the result.
565 * \param ctx the current context
566 * \param d the struct value_desc that describes the enum
567 * \param v pointer to the tmp declared in the calling glGet*v() function
570 find_custom_value(struct gl_context
*ctx
, const struct value_desc
*d
, union value
*v
)
572 struct gl_buffer_object
**buffer_obj
;
573 struct gl_vertex_attrib_array
*array
;
577 case GL_MAJOR_VERSION
:
578 v
->value_int
= ctx
->Version
/ 10;
580 case GL_MINOR_VERSION
:
581 v
->value_int
= ctx
->Version
% 10;
587 case GL_TEXTURE_CUBE_MAP_ARB
:
588 case GL_TEXTURE_RECTANGLE_NV
:
589 case GL_TEXTURE_EXTERNAL_OES
:
590 v
->value_bool
= _mesa_IsEnabled(d
->pname
);
593 case GL_LINE_STIPPLE_PATTERN
:
594 /* This is the only GLushort, special case it here by promoting
595 * to an int rather than introducing a new type. */
596 v
->value_int
= ctx
->Line
.StipplePattern
;
599 case GL_CURRENT_RASTER_TEXTURE_COORDS
:
600 unit
= ctx
->Texture
.CurrentUnit
;
601 v
->value_float_4
[0] = ctx
->Current
.RasterTexCoords
[unit
][0];
602 v
->value_float_4
[1] = ctx
->Current
.RasterTexCoords
[unit
][1];
603 v
->value_float_4
[2] = ctx
->Current
.RasterTexCoords
[unit
][2];
604 v
->value_float_4
[3] = ctx
->Current
.RasterTexCoords
[unit
][3];
607 case GL_CURRENT_TEXTURE_COORDS
:
608 unit
= ctx
->Texture
.CurrentUnit
;
609 v
->value_float_4
[0] = ctx
->Current
.Attrib
[VERT_ATTRIB_TEX0
+ unit
][0];
610 v
->value_float_4
[1] = ctx
->Current
.Attrib
[VERT_ATTRIB_TEX0
+ unit
][1];
611 v
->value_float_4
[2] = ctx
->Current
.Attrib
[VERT_ATTRIB_TEX0
+ unit
][2];
612 v
->value_float_4
[3] = ctx
->Current
.Attrib
[VERT_ATTRIB_TEX0
+ unit
][3];
615 case GL_COLOR_WRITEMASK
:
616 v
->value_int_4
[0] = ctx
->Color
.ColorMask
[0][RCOMP
] ? 1 : 0;
617 v
->value_int_4
[1] = ctx
->Color
.ColorMask
[0][GCOMP
] ? 1 : 0;
618 v
->value_int_4
[2] = ctx
->Color
.ColorMask
[0][BCOMP
] ? 1 : 0;
619 v
->value_int_4
[3] = ctx
->Color
.ColorMask
[0][ACOMP
] ? 1 : 0;
623 v
->value_bool
= ctx
->Current
.Attrib
[VERT_ATTRIB_EDGEFLAG
][0] == 1.0;
627 v
->value_enum
= ctx
->ReadBuffer
->ColorReadBuffer
;
630 case GL_MAP2_GRID_DOMAIN
:
631 v
->value_float_4
[0] = ctx
->Eval
.MapGrid2u1
;
632 v
->value_float_4
[1] = ctx
->Eval
.MapGrid2u2
;
633 v
->value_float_4
[2] = ctx
->Eval
.MapGrid2v1
;
634 v
->value_float_4
[3] = ctx
->Eval
.MapGrid2v2
;
637 case GL_TEXTURE_STACK_DEPTH
:
638 unit
= ctx
->Texture
.CurrentUnit
;
639 v
->value_int
= ctx
->TextureMatrixStack
[unit
].Depth
+ 1;
641 case GL_TEXTURE_MATRIX
:
642 unit
= ctx
->Texture
.CurrentUnit
;
643 v
->value_matrix
= ctx
->TextureMatrixStack
[unit
].Top
;
646 case GL_TEXTURE_COORD_ARRAY
:
647 case GL_TEXTURE_COORD_ARRAY_SIZE
:
648 case GL_TEXTURE_COORD_ARRAY_TYPE
:
649 case GL_TEXTURE_COORD_ARRAY_STRIDE
:
650 array
= &ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_TEX(ctx
->Array
.ActiveTexture
)];
651 v
->value_int
= *(GLuint
*) ((char *) array
+ d
->offset
);
654 case GL_ACTIVE_TEXTURE_ARB
:
655 v
->value_int
= GL_TEXTURE0_ARB
+ ctx
->Texture
.CurrentUnit
;
657 case GL_CLIENT_ACTIVE_TEXTURE_ARB
:
658 v
->value_int
= GL_TEXTURE0_ARB
+ ctx
->Array
.ActiveTexture
;
661 case GL_MODELVIEW_STACK_DEPTH
:
662 case GL_PROJECTION_STACK_DEPTH
:
663 v
->value_int
= *(GLint
*) ((char *) ctx
+ d
->offset
) + 1;
666 case GL_MAX_TEXTURE_SIZE
:
667 case GL_MAX_3D_TEXTURE_SIZE
:
668 case GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB
:
669 p
= (GLuint
*) ((char *) ctx
+ d
->offset
);
670 v
->value_int
= 1 << (*p
- 1);
674 v
->value_int_4
[0] = ctx
->Scissor
.ScissorArray
[0].X
;
675 v
->value_int_4
[1] = ctx
->Scissor
.ScissorArray
[0].Y
;
676 v
->value_int_4
[2] = ctx
->Scissor
.ScissorArray
[0].Width
;
677 v
->value_int_4
[3] = ctx
->Scissor
.ScissorArray
[0].Height
;
680 case GL_SCISSOR_TEST
:
681 v
->value_bool
= ctx
->Scissor
.EnableFlags
& 1;
686 ctx
->ListState
.CurrentList
? ctx
->ListState
.CurrentList
->Name
: 0;
689 if (!ctx
->CompileFlag
)
691 else if (ctx
->ExecuteFlag
)
692 v
->value_enum
= GL_COMPILE_AND_EXECUTE
;
694 v
->value_enum
= GL_COMPILE
;
698 v
->value_float_4
[0] = ctx
->ViewportArray
[0].X
;
699 v
->value_float_4
[1] = ctx
->ViewportArray
[0].Y
;
700 v
->value_float_4
[2] = ctx
->ViewportArray
[0].Width
;
701 v
->value_float_4
[3] = ctx
->ViewportArray
[0].Height
;
705 v
->value_double_2
[0] = ctx
->ViewportArray
[0].Near
;
706 v
->value_double_2
[1] = ctx
->ViewportArray
[0].Far
;
709 case GL_ACTIVE_STENCIL_FACE_EXT
:
710 v
->value_enum
= ctx
->Stencil
.ActiveFace
? GL_BACK
: GL_FRONT
;
713 case GL_STENCIL_FAIL
:
714 v
->value_enum
= ctx
->Stencil
.FailFunc
[ctx
->Stencil
.ActiveFace
];
716 case GL_STENCIL_FUNC
:
717 v
->value_enum
= ctx
->Stencil
.Function
[ctx
->Stencil
.ActiveFace
];
719 case GL_STENCIL_PASS_DEPTH_FAIL
:
720 v
->value_enum
= ctx
->Stencil
.ZFailFunc
[ctx
->Stencil
.ActiveFace
];
722 case GL_STENCIL_PASS_DEPTH_PASS
:
723 v
->value_enum
= ctx
->Stencil
.ZPassFunc
[ctx
->Stencil
.ActiveFace
];
726 v
->value_int
= _mesa_get_stencil_ref(ctx
, ctx
->Stencil
.ActiveFace
);
728 case GL_STENCIL_BACK_REF
:
729 v
->value_int
= _mesa_get_stencil_ref(ctx
, 1);
731 case GL_STENCIL_VALUE_MASK
:
732 v
->value_int
= ctx
->Stencil
.ValueMask
[ctx
->Stencil
.ActiveFace
];
734 case GL_STENCIL_WRITEMASK
:
735 v
->value_int
= ctx
->Stencil
.WriteMask
[ctx
->Stencil
.ActiveFace
];
738 case GL_NUM_EXTENSIONS
:
739 v
->value_int
= _mesa_get_extension_count(ctx
);
742 case GL_IMPLEMENTATION_COLOR_READ_TYPE_OES
:
743 v
->value_int
= _mesa_get_color_read_type(ctx
);
745 case GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES
:
746 v
->value_int
= _mesa_get_color_read_format(ctx
);
749 case GL_CURRENT_MATRIX_STACK_DEPTH_ARB
:
750 v
->value_int
= ctx
->CurrentStack
->Depth
+ 1;
752 case GL_CURRENT_MATRIX_ARB
:
753 case GL_TRANSPOSE_CURRENT_MATRIX_ARB
:
754 v
->value_matrix
= ctx
->CurrentStack
->Top
;
757 case GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB
:
758 v
->value_int
= _mesa_get_compressed_formats(ctx
, NULL
);
760 case GL_COMPRESSED_TEXTURE_FORMATS_ARB
:
762 _mesa_get_compressed_formats(ctx
, v
->value_int_n
.ints
);
763 ASSERT(v
->value_int_n
.n
<= (int) ARRAY_SIZE(v
->value_int_n
.ints
));
766 case GL_MAX_VARYING_FLOATS_ARB
:
767 v
->value_int
= ctx
->Const
.MaxVarying
* 4;
770 /* Various object names */
772 case GL_TEXTURE_BINDING_1D
:
773 case GL_TEXTURE_BINDING_2D
:
774 case GL_TEXTURE_BINDING_3D
:
775 case GL_TEXTURE_BINDING_1D_ARRAY_EXT
:
776 case GL_TEXTURE_BINDING_2D_ARRAY_EXT
:
777 case GL_TEXTURE_BINDING_CUBE_MAP_ARB
:
778 case GL_TEXTURE_BINDING_RECTANGLE_NV
:
779 case GL_TEXTURE_BINDING_EXTERNAL_OES
:
780 case GL_TEXTURE_BINDING_CUBE_MAP_ARRAY
:
781 case GL_TEXTURE_BINDING_2D_MULTISAMPLE
:
782 case GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY
:
783 unit
= ctx
->Texture
.CurrentUnit
;
785 ctx
->Texture
.Unit
[unit
].CurrentTex
[d
->offset
]->Name
;
788 /* GL_EXT_packed_float */
789 case GL_RGBA_SIGNED_COMPONENTS_EXT
:
791 /* Note: we only check the 0th color attachment. */
792 const struct gl_renderbuffer
*rb
=
793 ctx
->DrawBuffer
->_ColorDrawBuffers
[0];
794 if (rb
&& _mesa_is_format_signed(rb
->Format
)) {
795 /* Issue 17 of GL_EXT_packed_float: If a component (such as
796 * alpha) has zero bits, the component should not be considered
797 * signed and so the bit for the respective component should be
801 _mesa_get_format_bits(rb
->Format
, GL_RED_BITS
);
803 _mesa_get_format_bits(rb
->Format
, GL_GREEN_BITS
);
805 _mesa_get_format_bits(rb
->Format
, GL_BLUE_BITS
);
807 _mesa_get_format_bits(rb
->Format
, GL_ALPHA_BITS
);
809 _mesa_get_format_bits(rb
->Format
, GL_TEXTURE_LUMINANCE_SIZE
);
811 _mesa_get_format_bits(rb
->Format
, GL_TEXTURE_INTENSITY_SIZE
);
813 v
->value_int_4
[0] = r_bits
+ l_bits
+ i_bits
> 0;
814 v
->value_int_4
[1] = g_bits
+ l_bits
+ i_bits
> 0;
815 v
->value_int_4
[2] = b_bits
+ l_bits
+ i_bits
> 0;
816 v
->value_int_4
[3] = a_bits
+ i_bits
> 0;
822 v
->value_int_4
[3] = 0;
827 /* GL_ARB_vertex_buffer_object */
828 case GL_VERTEX_ARRAY_BUFFER_BINDING_ARB
:
829 case GL_NORMAL_ARRAY_BUFFER_BINDING_ARB
:
830 case GL_COLOR_ARRAY_BUFFER_BINDING_ARB
:
831 case GL_INDEX_ARRAY_BUFFER_BINDING_ARB
:
832 case GL_EDGE_FLAG_ARRAY_BUFFER_BINDING_ARB
:
833 case GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING_ARB
:
834 case GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING_ARB
:
835 buffer_obj
= (struct gl_buffer_object
**)
836 ((char *) ctx
->Array
.VAO
+ d
->offset
);
837 v
->value_int
= (*buffer_obj
)->Name
;
839 case GL_ARRAY_BUFFER_BINDING_ARB
:
840 v
->value_int
= ctx
->Array
.ArrayBufferObj
->Name
;
842 case GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING_ARB
:
844 ctx
->Array
.VAO
->VertexBinding
[VERT_ATTRIB_TEX(ctx
->Array
.ActiveTexture
)].BufferObj
->Name
;
846 case GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB
:
847 v
->value_int
= ctx
->Array
.VAO
->IndexBufferObj
->Name
;
850 /* ARB_copy_buffer */
851 case GL_COPY_READ_BUFFER
:
852 v
->value_int
= ctx
->CopyReadBuffer
->Name
;
854 case GL_COPY_WRITE_BUFFER
:
855 v
->value_int
= ctx
->CopyWriteBuffer
->Name
;
858 case GL_PIXEL_PACK_BUFFER_BINDING_EXT
:
859 v
->value_int
= ctx
->Pack
.BufferObj
->Name
;
861 case GL_PIXEL_UNPACK_BUFFER_BINDING_EXT
:
862 v
->value_int
= ctx
->Unpack
.BufferObj
->Name
;
864 case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING
:
865 v
->value_int
= ctx
->TransformFeedback
.CurrentBuffer
->Name
;
867 case GL_TRANSFORM_FEEDBACK_BUFFER_PAUSED
:
868 v
->value_int
= ctx
->TransformFeedback
.CurrentObject
->Paused
;
870 case GL_TRANSFORM_FEEDBACK_BUFFER_ACTIVE
:
871 v
->value_int
= ctx
->TransformFeedback
.CurrentObject
->Active
;
873 case GL_TRANSFORM_FEEDBACK_BINDING
:
874 v
->value_int
= ctx
->TransformFeedback
.CurrentObject
->Name
;
876 case GL_CURRENT_PROGRAM
:
877 /* The Changelog of the ARB_separate_shader_objects spec says:
879 * 24 25 Jul 2011 pbrown Remove the language erroneously deleting
880 * CURRENT_PROGRAM. In the EXT extension, this
881 * token was aliased to ACTIVE_PROGRAM_EXT, and
882 * was used to indicate the last program set by
883 * either ActiveProgramEXT or UseProgram. In
884 * the ARB extension, the SSO active programs
885 * are now program pipeline object state and
886 * CURRENT_PROGRAM should still be used to query
887 * the last program set by UseProgram (bug 7822).
890 ctx
->Shader
.ActiveProgram
? ctx
->Shader
.ActiveProgram
->Name
: 0;
892 case GL_READ_FRAMEBUFFER_BINDING_EXT
:
893 v
->value_int
= ctx
->ReadBuffer
->Name
;
895 case GL_RENDERBUFFER_BINDING_EXT
:
897 ctx
->CurrentRenderbuffer
? ctx
->CurrentRenderbuffer
->Name
: 0;
899 case GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES
:
900 v
->value_int
= ctx
->Array
.VAO
->VertexBinding
[VERT_ATTRIB_POINT_SIZE
].BufferObj
->Name
;
904 if (_mesa_get_clamp_fragment_color(ctx
))
905 COPY_4FV(v
->value_float_4
, ctx
->Fog
.Color
);
907 COPY_4FV(v
->value_float_4
, ctx
->Fog
.ColorUnclamped
);
909 case GL_COLOR_CLEAR_VALUE
:
910 if (_mesa_get_clamp_fragment_color(ctx
)) {
911 v
->value_float_4
[0] = CLAMP(ctx
->Color
.ClearColor
.f
[0], 0.0F
, 1.0F
);
912 v
->value_float_4
[1] = CLAMP(ctx
->Color
.ClearColor
.f
[1], 0.0F
, 1.0F
);
913 v
->value_float_4
[2] = CLAMP(ctx
->Color
.ClearColor
.f
[2], 0.0F
, 1.0F
);
914 v
->value_float_4
[3] = CLAMP(ctx
->Color
.ClearColor
.f
[3], 0.0F
, 1.0F
);
916 COPY_4FV(v
->value_float_4
, ctx
->Color
.ClearColor
.f
);
918 case GL_BLEND_COLOR_EXT
:
919 if (_mesa_get_clamp_fragment_color(ctx
))
920 COPY_4FV(v
->value_float_4
, ctx
->Color
.BlendColor
);
922 COPY_4FV(v
->value_float_4
, ctx
->Color
.BlendColorUnclamped
);
924 case GL_ALPHA_TEST_REF
:
925 if (_mesa_get_clamp_fragment_color(ctx
))
926 v
->value_float
= ctx
->Color
.AlphaRef
;
928 v
->value_float
= ctx
->Color
.AlphaRefUnclamped
;
930 case GL_MAX_VERTEX_UNIFORM_VECTORS
:
931 v
->value_int
= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxUniformComponents
/ 4;
934 case GL_MAX_FRAGMENT_UNIFORM_VECTORS
:
935 v
->value_int
= ctx
->Const
.Program
[MESA_SHADER_FRAGMENT
].MaxUniformComponents
/ 4;
938 /* GL_ARB_texture_buffer_object */
939 case GL_TEXTURE_BUFFER_ARB
:
940 v
->value_int
= ctx
->Texture
.BufferObject
->Name
;
942 case GL_TEXTURE_BINDING_BUFFER_ARB
:
943 unit
= ctx
->Texture
.CurrentUnit
;
945 ctx
->Texture
.Unit
[unit
].CurrentTex
[TEXTURE_BUFFER_INDEX
]->Name
;
947 case GL_TEXTURE_BUFFER_DATA_STORE_BINDING_ARB
:
949 struct gl_buffer_object
*buf
=
950 ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
]
951 .CurrentTex
[TEXTURE_BUFFER_INDEX
]->BufferObject
;
952 v
->value_int
= buf
? buf
->Name
: 0;
955 case GL_TEXTURE_BUFFER_FORMAT_ARB
:
956 v
->value_int
= ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
]
957 .CurrentTex
[TEXTURE_BUFFER_INDEX
]->BufferObjectFormat
;
960 /* GL_ARB_sampler_objects */
961 case GL_SAMPLER_BINDING
:
963 struct gl_sampler_object
*samp
=
964 ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
].Sampler
;
967 * The sampler object may have been deleted on another context,
968 * so we try to lookup the sampler object before returning its Name.
970 if (samp
&& _mesa_lookup_samplerobj(ctx
, samp
->Name
)) {
971 v
->value_int
= samp
->Name
;
977 /* GL_ARB_uniform_buffer_object */
978 case GL_UNIFORM_BUFFER_BINDING
:
979 v
->value_int
= ctx
->UniformBuffer
->Name
;
981 /* GL_ARB_timer_query */
983 if (ctx
->Driver
.GetTimestamp
) {
984 v
->value_int64
= ctx
->Driver
.GetTimestamp(ctx
);
987 _mesa_problem(ctx
, "driver doesn't implement GetTimestamp");
991 case GL_DEBUG_LOGGED_MESSAGES
:
992 case GL_DEBUG_NEXT_LOGGED_MESSAGE_LENGTH
:
993 case GL_DEBUG_GROUP_STACK_DEPTH
:
994 v
->value_int
= _mesa_get_debug_state_int(ctx
, d
->pname
);
996 /* GL_ARB_shader_atomic_counters */
997 case GL_ATOMIC_COUNTER_BUFFER_BINDING
:
998 v
->value_int
= ctx
->AtomicBuffer
->Name
;
1000 /* GL_ARB_draw_indirect */
1001 case GL_DRAW_INDIRECT_BUFFER_BINDING
:
1002 v
->value_int
= ctx
->DrawIndirectBuffer
->Name
;
1004 /* GL_ARB_separate_shader_objects */
1005 case GL_PROGRAM_PIPELINE_BINDING
:
1006 if (ctx
->Pipeline
.Current
) {
1007 v
->value_int
= ctx
->Pipeline
.Current
->Name
;
1016 * Check extra constraints on a struct value_desc descriptor
1018 * If a struct value_desc has a non-NULL extra pointer, it means that
1019 * there are a number of extra constraints to check or actions to
1020 * perform. The extras is just an integer array where each integer
1021 * encode different constraints or actions.
1023 * \param ctx current context
1024 * \param func name of calling glGet*v() function for error reporting
1025 * \param d the struct value_desc that has the extra constraints
1027 * \return GL_FALSE if all of the constraints were not satisfied,
1028 * otherwise GL_TRUE.
1031 check_extra(struct gl_context
*ctx
, const char *func
, const struct value_desc
*d
)
1033 const GLuint version
= ctx
->Version
;
1034 GLboolean api_check
= GL_FALSE
;
1035 GLboolean api_found
= GL_FALSE
;
1038 for (e
= d
->extra
; *e
!= EXTRA_END
; e
++) {
1040 case EXTRA_VERSION_30
:
1041 api_check
= GL_TRUE
;
1043 api_found
= GL_TRUE
;
1045 case EXTRA_VERSION_31
:
1046 api_check
= GL_TRUE
;
1048 api_found
= GL_TRUE
;
1050 case EXTRA_VERSION_32
:
1051 api_check
= GL_TRUE
;
1053 api_found
= GL_TRUE
;
1055 case EXTRA_NEW_FRAG_CLAMP
:
1056 if (ctx
->NewState
& (_NEW_BUFFERS
| _NEW_FRAG_CLAMP
))
1057 _mesa_update_state(ctx
);
1060 api_check
= GL_TRUE
;
1061 if (ctx
->API
== API_OPENGLES2
)
1062 api_found
= GL_TRUE
;
1065 api_check
= GL_TRUE
;
1066 if (_mesa_is_gles3(ctx
))
1067 api_found
= GL_TRUE
;
1070 api_check
= GL_TRUE
;
1071 if (_mesa_is_desktop_gl(ctx
))
1072 api_found
= GL_TRUE
;
1074 case EXTRA_API_GL_CORE
:
1075 api_check
= GL_TRUE
;
1076 if (ctx
->API
== API_OPENGL_CORE
)
1077 api_found
= GL_TRUE
;
1079 case EXTRA_NEW_BUFFERS
:
1080 if (ctx
->NewState
& _NEW_BUFFERS
)
1081 _mesa_update_state(ctx
);
1083 case EXTRA_FLUSH_CURRENT
:
1084 FLUSH_CURRENT(ctx
, 0);
1086 case EXTRA_VALID_DRAW_BUFFER
:
1087 if (d
->pname
- GL_DRAW_BUFFER0_ARB
>= ctx
->Const
.MaxDrawBuffers
) {
1088 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(draw buffer %u)",
1089 func
, d
->pname
- GL_DRAW_BUFFER0_ARB
);
1093 case EXTRA_VALID_TEXTURE_UNIT
:
1094 if (ctx
->Texture
.CurrentUnit
>= ctx
->Const
.MaxTextureCoordUnits
) {
1095 _mesa_error(ctx
, GL_INVALID_OPERATION
, "%s(texture %u)",
1096 func
, ctx
->Texture
.CurrentUnit
);
1100 case EXTRA_VALID_CLIP_DISTANCE
:
1101 if (d
->pname
- GL_CLIP_DISTANCE0
>= ctx
->Const
.MaxClipPlanes
) {
1102 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(clip distance %u)",
1103 func
, d
->pname
- GL_CLIP_DISTANCE0
);
1107 case EXTRA_GLSL_130
:
1108 api_check
= GL_TRUE
;
1109 if (ctx
->Const
.GLSLVersion
>= 130)
1110 api_found
= GL_TRUE
;
1112 case EXTRA_EXT_UBO_GS4
:
1113 api_check
= GL_TRUE
;
1114 api_found
= (ctx
->Extensions
.ARB_uniform_buffer_object
&&
1115 _mesa_has_geometry_shaders(ctx
));
1117 case EXTRA_EXT_ATOMICS_GS4
:
1118 api_check
= GL_TRUE
;
1119 api_found
= (ctx
->Extensions
.ARB_shader_atomic_counters
&&
1120 _mesa_has_geometry_shaders(ctx
));
1122 case EXTRA_EXT_SHADER_IMAGE_GS4
:
1123 api_check
= GL_TRUE
;
1124 api_found
= (ctx
->Extensions
.ARB_shader_image_load_store
&&
1125 _mesa_has_geometry_shaders(ctx
));
1129 default: /* *e is a offset into the extension struct */
1130 api_check
= GL_TRUE
;
1131 if (*(GLboolean
*) ((char *) &ctx
->Extensions
+ *e
))
1132 api_found
= GL_TRUE
;
1137 if (api_check
&& !api_found
) {
1138 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(pname=%s)", func
,
1139 _mesa_lookup_enum_by_nr(d
->pname
));
1146 static const struct value_desc error_value
=
1147 { 0, 0, TYPE_INVALID
, NO_OFFSET
, NO_EXTRA
};
1150 * Find the struct value_desc corresponding to the enum 'pname'.
1152 * We hash the enum value to get an index into the 'table' array,
1153 * which holds the index in the 'values' array of struct value_desc.
1154 * Once we've found the entry, we do the extra checks, if any, then
1155 * look up the value and return a pointer to it.
1157 * If the value has to be computed (for example, it's the result of a
1158 * function call or we need to add 1 to it), we use the tmp 'v' to
1161 * \param func name of glGet*v() func for error reporting
1162 * \param pname the enum value we're looking up
1163 * \param p is were we return the pointer to the value
1164 * \param v a tmp union value variable in the calling glGet*v() function
1166 * \return the struct value_desc corresponding to the enum or a struct
1167 * value_desc of TYPE_INVALID if not found. This lets the calling
1168 * glGet*v() function jump right into a switch statement and
1169 * handle errors there instead of having to check for NULL.
1171 static const struct value_desc
*
1172 find_value(const char *func
, GLenum pname
, void **p
, union value
*v
)
1174 GET_CURRENT_CONTEXT(ctx
);
1175 struct gl_texture_unit
*unit
;
1177 const struct value_desc
*d
;
1181 /* We index into the table_set[] list of per-API hash tables using the API's
1182 * value in the gl_api enum. Since GLES 3 doesn't have an API_OPENGL* enum
1183 * value since it's compatible with GLES2 its entry in table_set[] is at the
1186 STATIC_ASSERT(Elements(table_set
) == API_OPENGL_LAST
+ 2);
1187 if (_mesa_is_gles3(ctx
)) {
1188 api
= API_OPENGL_LAST
+ 1;
1190 mask
= Elements(table(api
)) - 1;
1191 hash
= (pname
* prime_factor
);
1193 int idx
= table(api
)[hash
& mask
];
1195 /* If the enum isn't valid, the hash walk ends with index 0,
1196 * pointing to the first entry of values[] which doesn't hold
1197 * any valid enum. */
1198 if (unlikely(idx
== 0)) {
1199 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(pname=%s)", func
,
1200 _mesa_lookup_enum_by_nr(pname
));
1201 return &error_value
;
1205 if (likely(d
->pname
== pname
))
1211 if (unlikely(d
->extra
&& !check_extra(ctx
, func
, d
)))
1212 return &error_value
;
1214 switch (d
->location
) {
1216 *p
= ((char *) ctx
->DrawBuffer
+ d
->offset
);
1219 *p
= ((char *) ctx
+ d
->offset
);
1222 *p
= ((char *) ctx
->Array
.VAO
+ d
->offset
);
1225 unit
= &ctx
->Texture
.Unit
[ctx
->Texture
.CurrentUnit
];
1226 *p
= ((char *) unit
+ d
->offset
);
1229 find_custom_value(ctx
, d
, v
);
1237 /* silence warning */
1238 return &error_value
;
1241 static const int transpose
[] = {
1249 _mesa_GetBooleanv(GLenum pname
, GLboolean
*params
)
1251 const struct value_desc
*d
;
1257 d
= find_value("glGetBooleanv", pname
, &p
, &v
);
1262 params
[0] = INT_TO_BOOLEAN(d
->offset
);
1267 params
[3] = FLOAT_TO_BOOLEAN(((GLfloat
*) p
)[3]);
1270 params
[2] = FLOAT_TO_BOOLEAN(((GLfloat
*) p
)[2]);
1273 params
[1] = FLOAT_TO_BOOLEAN(((GLfloat
*) p
)[1]);
1276 params
[0] = FLOAT_TO_BOOLEAN(((GLfloat
*) p
)[0]);
1279 case TYPE_DOUBLEN_2
:
1280 params
[1] = FLOAT_TO_BOOLEAN(((GLdouble
*) p
)[1]);
1282 params
[0] = FLOAT_TO_BOOLEAN(((GLdouble
*) p
)[0]);
1286 params
[3] = INT_TO_BOOLEAN(((GLint
*) p
)[3]);
1288 params
[2] = INT_TO_BOOLEAN(((GLint
*) p
)[2]);
1291 params
[1] = INT_TO_BOOLEAN(((GLint
*) p
)[1]);
1294 params
[0] = INT_TO_BOOLEAN(((GLint
*) p
)[0]);
1298 for (i
= 0; i
< v
.value_int_n
.n
; i
++)
1299 params
[i
] = INT_TO_BOOLEAN(v
.value_int_n
.ints
[i
]);
1303 params
[0] = INT64_TO_BOOLEAN(((GLint64
*) p
)[0]);
1307 params
[0] = ((GLboolean
*) p
)[0];
1311 m
= *(GLmatrix
**) p
;
1312 for (i
= 0; i
< 16; i
++)
1313 params
[i
] = FLOAT_TO_BOOLEAN(m
->m
[i
]);
1317 m
= *(GLmatrix
**) p
;
1318 for (i
= 0; i
< 16; i
++)
1319 params
[i
] = FLOAT_TO_BOOLEAN(m
->m
[transpose
[i
]]);
1330 shift
= d
->type
- TYPE_BIT_0
;
1331 params
[0] = (*(GLbitfield
*) p
>> shift
) & 1;
1337 _mesa_GetFloatv(GLenum pname
, GLfloat
*params
)
1339 const struct value_desc
*d
;
1345 d
= find_value("glGetFloatv", pname
, &p
, &v
);
1350 params
[0] = (GLfloat
) d
->offset
;
1355 params
[3] = ((GLfloat
*) p
)[3];
1358 params
[2] = ((GLfloat
*) p
)[2];
1361 params
[1] = ((GLfloat
*) p
)[1];
1364 params
[0] = ((GLfloat
*) p
)[0];
1367 case TYPE_DOUBLEN_2
:
1368 params
[1] = (GLfloat
) (((GLdouble
*) p
)[1]);
1370 params
[0] = (GLfloat
) (((GLdouble
*) p
)[0]);
1374 params
[3] = (GLfloat
) (((GLint
*) p
)[3]);
1376 params
[2] = (GLfloat
) (((GLint
*) p
)[2]);
1379 params
[1] = (GLfloat
) (((GLint
*) p
)[1]);
1382 params
[0] = (GLfloat
) (((GLint
*) p
)[0]);
1386 for (i
= 0; i
< v
.value_int_n
.n
; i
++)
1387 params
[i
] = INT_TO_FLOAT(v
.value_int_n
.ints
[i
]);
1391 params
[0] = (GLfloat
) (((GLint64
*) p
)[0]);
1395 params
[0] = BOOLEAN_TO_FLOAT(*(GLboolean
*) p
);
1399 m
= *(GLmatrix
**) p
;
1400 for (i
= 0; i
< 16; i
++)
1401 params
[i
] = m
->m
[i
];
1405 m
= *(GLmatrix
**) p
;
1406 for (i
= 0; i
< 16; i
++)
1407 params
[i
] = m
->m
[transpose
[i
]];
1418 shift
= d
->type
- TYPE_BIT_0
;
1419 params
[0] = BOOLEAN_TO_FLOAT((*(GLbitfield
*) p
>> shift
) & 1);
1425 _mesa_GetIntegerv(GLenum pname
, GLint
*params
)
1427 const struct value_desc
*d
;
1433 d
= find_value("glGetIntegerv", pname
, &p
, &v
);
1438 params
[0] = d
->offset
;
1442 params
[3] = IROUND(((GLfloat
*) p
)[3]);
1444 params
[2] = IROUND(((GLfloat
*) p
)[2]);
1446 params
[1] = IROUND(((GLfloat
*) p
)[1]);
1448 params
[0] = IROUND(((GLfloat
*) p
)[0]);
1452 params
[3] = FLOAT_TO_INT(((GLfloat
*) p
)[3]);
1454 params
[2] = FLOAT_TO_INT(((GLfloat
*) p
)[2]);
1456 params
[1] = FLOAT_TO_INT(((GLfloat
*) p
)[1]);
1458 params
[0] = FLOAT_TO_INT(((GLfloat
*) p
)[0]);
1461 case TYPE_DOUBLEN_2
:
1462 params
[1] = FLOAT_TO_INT(((GLdouble
*) p
)[1]);
1464 params
[0] = FLOAT_TO_INT(((GLdouble
*) p
)[0]);
1468 params
[3] = ((GLint
*) p
)[3];
1470 params
[2] = ((GLint
*) p
)[2];
1473 params
[1] = ((GLint
*) p
)[1];
1476 params
[0] = ((GLint
*) p
)[0];
1480 for (i
= 0; i
< v
.value_int_n
.n
; i
++)
1481 params
[i
] = v
.value_int_n
.ints
[i
];
1485 params
[0] = INT64_TO_INT(((GLint64
*) p
)[0]);
1489 params
[0] = BOOLEAN_TO_INT(*(GLboolean
*) p
);
1493 m
= *(GLmatrix
**) p
;
1494 for (i
= 0; i
< 16; i
++)
1495 params
[i
] = FLOAT_TO_INT(m
->m
[i
]);
1499 m
= *(GLmatrix
**) p
;
1500 for (i
= 0; i
< 16; i
++)
1501 params
[i
] = FLOAT_TO_INT(m
->m
[transpose
[i
]]);
1512 shift
= d
->type
- TYPE_BIT_0
;
1513 params
[0] = (*(GLbitfield
*) p
>> shift
) & 1;
1519 _mesa_GetInteger64v(GLenum pname
, GLint64
*params
)
1521 const struct value_desc
*d
;
1527 d
= find_value("glGetInteger64v", pname
, &p
, &v
);
1532 params
[0] = d
->offset
;
1536 params
[3] = IROUND64(((GLfloat
*) p
)[3]);
1538 params
[2] = IROUND64(((GLfloat
*) p
)[2]);
1540 params
[1] = IROUND64(((GLfloat
*) p
)[1]);
1542 params
[0] = IROUND64(((GLfloat
*) p
)[0]);
1546 params
[3] = FLOAT_TO_INT64(((GLfloat
*) p
)[3]);
1548 params
[2] = FLOAT_TO_INT64(((GLfloat
*) p
)[2]);
1550 params
[1] = FLOAT_TO_INT64(((GLfloat
*) p
)[1]);
1552 params
[0] = FLOAT_TO_INT64(((GLfloat
*) p
)[0]);
1555 case TYPE_DOUBLEN_2
:
1556 params
[1] = FLOAT_TO_INT64(((GLdouble
*) p
)[1]);
1558 params
[0] = FLOAT_TO_INT64(((GLdouble
*) p
)[0]);
1562 params
[3] = ((GLint
*) p
)[3];
1564 params
[2] = ((GLint
*) p
)[2];
1567 params
[1] = ((GLint
*) p
)[1];
1570 params
[0] = ((GLint
*) p
)[0];
1574 for (i
= 0; i
< v
.value_int_n
.n
; i
++)
1575 params
[i
] = INT_TO_BOOLEAN(v
.value_int_n
.ints
[i
]);
1579 params
[0] = ((GLint64
*) p
)[0];
1583 params
[0] = ((GLboolean
*) p
)[0];
1587 m
= *(GLmatrix
**) p
;
1588 for (i
= 0; i
< 16; i
++)
1589 params
[i
] = FLOAT_TO_INT64(m
->m
[i
]);
1593 m
= *(GLmatrix
**) p
;
1594 for (i
= 0; i
< 16; i
++)
1595 params
[i
] = FLOAT_TO_INT64(m
->m
[transpose
[i
]]);
1606 shift
= d
->type
- TYPE_BIT_0
;
1607 params
[0] = (*(GLbitfield
*) p
>> shift
) & 1;
1613 _mesa_GetDoublev(GLenum pname
, GLdouble
*params
)
1615 const struct value_desc
*d
;
1621 d
= find_value("glGetDoublev", pname
, &p
, &v
);
1626 params
[0] = d
->offset
;
1631 params
[3] = ((GLfloat
*) p
)[3];
1634 params
[2] = ((GLfloat
*) p
)[2];
1637 params
[1] = ((GLfloat
*) p
)[1];
1640 params
[0] = ((GLfloat
*) p
)[0];
1643 case TYPE_DOUBLEN_2
:
1644 params
[1] = ((GLdouble
*) p
)[1];
1646 params
[0] = ((GLdouble
*) p
)[0];
1650 params
[3] = ((GLint
*) p
)[3];
1652 params
[2] = ((GLint
*) p
)[2];
1655 params
[1] = ((GLint
*) p
)[1];
1658 params
[0] = ((GLint
*) p
)[0];
1662 for (i
= 0; i
< v
.value_int_n
.n
; i
++)
1663 params
[i
] = v
.value_int_n
.ints
[i
];
1667 params
[0] = (GLdouble
) (((GLint64
*) p
)[0]);
1671 params
[0] = *(GLboolean
*) p
;
1675 m
= *(GLmatrix
**) p
;
1676 for (i
= 0; i
< 16; i
++)
1677 params
[i
] = m
->m
[i
];
1681 m
= *(GLmatrix
**) p
;
1682 for (i
= 0; i
< 16; i
++)
1683 params
[i
] = m
->m
[transpose
[i
]];
1694 shift
= d
->type
- TYPE_BIT_0
;
1695 params
[0] = (*(GLbitfield
*) p
>> shift
) & 1;
1700 static enum value_type
1701 find_value_indexed(const char *func
, GLenum pname
, GLuint index
, union value
*v
)
1703 GET_CURRENT_CONTEXT(ctx
);
1708 if (index
>= ctx
->Const
.MaxDrawBuffers
)
1710 if (!ctx
->Extensions
.EXT_draw_buffers2
)
1712 v
->value_int
= (ctx
->Color
.BlendEnabled
>> index
) & 1;
1717 case GL_BLEND_SRC_RGB
:
1718 if (index
>= ctx
->Const
.MaxDrawBuffers
)
1720 if (!ctx
->Extensions
.ARB_draw_buffers_blend
)
1722 v
->value_int
= ctx
->Color
.Blend
[index
].SrcRGB
;
1724 case GL_BLEND_SRC_ALPHA
:
1725 if (index
>= ctx
->Const
.MaxDrawBuffers
)
1727 if (!ctx
->Extensions
.ARB_draw_buffers_blend
)
1729 v
->value_int
= ctx
->Color
.Blend
[index
].SrcA
;
1733 case GL_BLEND_DST_RGB
:
1734 if (index
>= ctx
->Const
.MaxDrawBuffers
)
1736 if (!ctx
->Extensions
.ARB_draw_buffers_blend
)
1738 v
->value_int
= ctx
->Color
.Blend
[index
].DstRGB
;
1740 case GL_BLEND_DST_ALPHA
:
1741 if (index
>= ctx
->Const
.MaxDrawBuffers
)
1743 if (!ctx
->Extensions
.ARB_draw_buffers_blend
)
1745 v
->value_int
= ctx
->Color
.Blend
[index
].DstA
;
1747 case GL_BLEND_EQUATION_RGB
:
1748 if (index
>= ctx
->Const
.MaxDrawBuffers
)
1750 if (!ctx
->Extensions
.ARB_draw_buffers_blend
)
1752 v
->value_int
= ctx
->Color
.Blend
[index
].EquationRGB
;
1754 case GL_BLEND_EQUATION_ALPHA
:
1755 if (index
>= ctx
->Const
.MaxDrawBuffers
)
1757 if (!ctx
->Extensions
.ARB_draw_buffers_blend
)
1759 v
->value_int
= ctx
->Color
.Blend
[index
].EquationA
;
1762 case GL_COLOR_WRITEMASK
:
1763 if (index
>= ctx
->Const
.MaxDrawBuffers
)
1765 if (!ctx
->Extensions
.EXT_draw_buffers2
)
1767 v
->value_int_4
[0] = ctx
->Color
.ColorMask
[index
][RCOMP
] ? 1 : 0;
1768 v
->value_int_4
[1] = ctx
->Color
.ColorMask
[index
][GCOMP
] ? 1 : 0;
1769 v
->value_int_4
[2] = ctx
->Color
.ColorMask
[index
][BCOMP
] ? 1 : 0;
1770 v
->value_int_4
[3] = ctx
->Color
.ColorMask
[index
][ACOMP
] ? 1 : 0;
1773 case GL_SCISSOR_BOX
:
1774 if (index
>= ctx
->Const
.MaxViewports
)
1776 v
->value_int_4
[0] = ctx
->Scissor
.ScissorArray
[index
].X
;
1777 v
->value_int_4
[1] = ctx
->Scissor
.ScissorArray
[index
].Y
;
1778 v
->value_int_4
[2] = ctx
->Scissor
.ScissorArray
[index
].Width
;
1779 v
->value_int_4
[3] = ctx
->Scissor
.ScissorArray
[index
].Height
;
1783 if (index
>= ctx
->Const
.MaxViewports
)
1785 v
->value_float_4
[0] = ctx
->ViewportArray
[index
].X
;
1786 v
->value_float_4
[1] = ctx
->ViewportArray
[index
].Y
;
1787 v
->value_float_4
[2] = ctx
->ViewportArray
[index
].Width
;
1788 v
->value_float_4
[3] = ctx
->ViewportArray
[index
].Height
;
1789 return TYPE_FLOAT_4
;
1791 case GL_DEPTH_RANGE
:
1792 if (index
>= ctx
->Const
.MaxViewports
)
1794 v
->value_double_2
[0] = ctx
->ViewportArray
[index
].Near
;
1795 v
->value_double_2
[1] = ctx
->ViewportArray
[index
].Far
;
1796 return TYPE_DOUBLEN_2
;
1798 case GL_TRANSFORM_FEEDBACK_BUFFER_START
:
1799 if (index
>= ctx
->Const
.MaxTransformFeedbackBuffers
)
1801 if (!ctx
->Extensions
.EXT_transform_feedback
)
1803 v
->value_int64
= ctx
->TransformFeedback
.CurrentObject
->Offset
[index
];
1806 case GL_TRANSFORM_FEEDBACK_BUFFER_SIZE
:
1807 if (index
>= ctx
->Const
.MaxTransformFeedbackBuffers
)
1809 if (!ctx
->Extensions
.EXT_transform_feedback
)
1812 = ctx
->TransformFeedback
.CurrentObject
->RequestedSize
[index
];
1815 case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING
:
1816 if (index
>= ctx
->Const
.MaxTransformFeedbackBuffers
)
1818 if (!ctx
->Extensions
.EXT_transform_feedback
)
1820 v
->value_int
= ctx
->TransformFeedback
.CurrentObject
->BufferNames
[index
];
1823 case GL_UNIFORM_BUFFER_BINDING
:
1824 if (index
>= ctx
->Const
.MaxUniformBufferBindings
)
1826 if (!ctx
->Extensions
.ARB_uniform_buffer_object
)
1828 v
->value_int
= ctx
->UniformBufferBindings
[index
].BufferObject
->Name
;
1831 case GL_UNIFORM_BUFFER_START
:
1832 if (index
>= ctx
->Const
.MaxUniformBufferBindings
)
1834 if (!ctx
->Extensions
.ARB_uniform_buffer_object
)
1836 v
->value_int
= ctx
->UniformBufferBindings
[index
].Offset
;
1839 case GL_UNIFORM_BUFFER_SIZE
:
1840 if (index
>= ctx
->Const
.MaxUniformBufferBindings
)
1842 if (!ctx
->Extensions
.ARB_uniform_buffer_object
)
1844 v
->value_int
= ctx
->UniformBufferBindings
[index
].Size
;
1847 /* ARB_texture_multisample / GL3.2 */
1848 case GL_SAMPLE_MASK_VALUE
:
1851 if (!ctx
->Extensions
.ARB_texture_multisample
)
1853 v
->value_int
= ctx
->Multisample
.SampleMaskValue
;
1856 case GL_ATOMIC_COUNTER_BUFFER_BINDING
:
1857 if (!ctx
->Extensions
.ARB_shader_atomic_counters
)
1859 if (index
>= ctx
->Const
.MaxAtomicBufferBindings
)
1861 v
->value_int
= ctx
->AtomicBufferBindings
[index
].BufferObject
->Name
;
1864 case GL_ATOMIC_COUNTER_BUFFER_START
:
1865 if (!ctx
->Extensions
.ARB_shader_atomic_counters
)
1867 if (index
>= ctx
->Const
.MaxAtomicBufferBindings
)
1869 v
->value_int64
= ctx
->AtomicBufferBindings
[index
].Offset
;
1872 case GL_ATOMIC_COUNTER_BUFFER_SIZE
:
1873 if (!ctx
->Extensions
.ARB_shader_atomic_counters
)
1875 if (index
>= ctx
->Const
.MaxAtomicBufferBindings
)
1877 v
->value_int64
= ctx
->AtomicBufferBindings
[index
].Size
;
1880 case GL_VERTEX_BINDING_DIVISOR
:
1881 if (!_mesa_is_desktop_gl(ctx
) || !ctx
->Extensions
.ARB_instanced_arrays
)
1883 if (index
>= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
)
1885 v
->value_int
= ctx
->Array
.VAO
->VertexBinding
[VERT_ATTRIB_GENERIC(index
)].InstanceDivisor
;
1888 case GL_VERTEX_BINDING_OFFSET
:
1889 if (!_mesa_is_desktop_gl(ctx
))
1891 if (index
>= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
)
1893 v
->value_int
= ctx
->Array
.VAO
->VertexBinding
[VERT_ATTRIB_GENERIC(index
)].Offset
;
1896 case GL_VERTEX_BINDING_STRIDE
:
1897 if (!_mesa_is_desktop_gl(ctx
))
1899 if (index
>= ctx
->Const
.Program
[MESA_SHADER_VERTEX
].MaxAttribs
)
1901 v
->value_int
= ctx
->Array
.VAO
->VertexBinding
[VERT_ATTRIB_GENERIC(index
)].Stride
;
1903 /* ARB_shader_image_load_store */
1904 case GL_IMAGE_BINDING_NAME
: {
1905 struct gl_texture_object
*t
;
1907 if (!ctx
->Extensions
.ARB_shader_image_load_store
)
1909 if (index
>= ctx
->Const
.MaxImageUnits
)
1912 t
= ctx
->ImageUnits
[index
].TexObj
;
1913 v
->value_int
= (t
? t
->Name
: 0);
1917 case GL_IMAGE_BINDING_LEVEL
:
1918 if (!ctx
->Extensions
.ARB_shader_image_load_store
)
1920 if (index
>= ctx
->Const
.MaxImageUnits
)
1923 v
->value_int
= ctx
->ImageUnits
[index
].Level
;
1926 case GL_IMAGE_BINDING_LAYERED
:
1927 if (!ctx
->Extensions
.ARB_shader_image_load_store
)
1929 if (index
>= ctx
->Const
.MaxImageUnits
)
1932 v
->value_int
= ctx
->ImageUnits
[index
].Layered
;
1935 case GL_IMAGE_BINDING_LAYER
:
1936 if (!ctx
->Extensions
.ARB_shader_image_load_store
)
1938 if (index
>= ctx
->Const
.MaxImageUnits
)
1941 v
->value_int
= ctx
->ImageUnits
[index
].Layer
;
1944 case GL_IMAGE_BINDING_ACCESS
:
1945 if (!ctx
->Extensions
.ARB_shader_image_load_store
)
1947 if (index
>= ctx
->Const
.MaxImageUnits
)
1950 v
->value_int
= ctx
->ImageUnits
[index
].Access
;
1953 case GL_IMAGE_BINDING_FORMAT
:
1954 if (!ctx
->Extensions
.ARB_shader_image_load_store
)
1956 if (index
>= ctx
->Const
.MaxImageUnits
)
1959 v
->value_int
= ctx
->ImageUnits
[index
].Format
;
1962 case GL_MAX_COMPUTE_WORK_GROUP_COUNT
:
1963 if (!_mesa_is_desktop_gl(ctx
) || !ctx
->Extensions
.ARB_compute_shader
)
1967 v
->value_int
= ctx
->Const
.MaxComputeWorkGroupCount
[index
];
1970 case GL_MAX_COMPUTE_WORK_GROUP_SIZE
:
1971 if (!_mesa_is_desktop_gl(ctx
) || !ctx
->Extensions
.ARB_compute_shader
)
1975 v
->value_int
= ctx
->Const
.MaxComputeWorkGroupSize
[index
];
1980 _mesa_error(ctx
, GL_INVALID_ENUM
, "%s(pname=%s)", func
,
1981 _mesa_lookup_enum_by_nr(pname
));
1982 return TYPE_INVALID
;
1984 _mesa_error(ctx
, GL_INVALID_VALUE
, "%s(pname=%s)", func
,
1985 _mesa_lookup_enum_by_nr(pname
));
1986 return TYPE_INVALID
;
1990 _mesa_GetBooleani_v( GLenum pname
, GLuint index
, GLboolean
*params
)
1993 enum value_type type
=
1994 find_value_indexed("glGetBooleani_v", pname
, index
, &v
);
1998 params
[0] = INT_TO_BOOLEAN(v
.value_int
);
2001 params
[0] = INT_TO_BOOLEAN(v
.value_int_4
[0]);
2002 params
[1] = INT_TO_BOOLEAN(v
.value_int_4
[1]);
2003 params
[2] = INT_TO_BOOLEAN(v
.value_int_4
[2]);
2004 params
[3] = INT_TO_BOOLEAN(v
.value_int_4
[3]);
2007 params
[0] = INT64_TO_BOOLEAN(v
.value_int64
);
2010 ; /* nothing - GL error was recorded */
2015 _mesa_GetIntegeri_v( GLenum pname
, GLuint index
, GLint
*params
)
2018 enum value_type type
=
2019 find_value_indexed("glGetIntegeri_v", pname
, index
, &v
);
2024 params
[3] = IROUND(v
.value_float_4
[3]);
2027 params
[2] = IROUND(v
.value_float_4
[2]);
2030 params
[1] = IROUND(v
.value_float_4
[1]);
2033 params
[0] = IROUND(v
.value_float_4
[0]);
2036 case TYPE_DOUBLEN_2
:
2037 params
[1] = IROUND(v
.value_double_2
[1]);
2039 params
[0] = IROUND(v
.value_double_2
[0]);
2043 params
[0] = v
.value_int
;
2046 params
[0] = v
.value_int_4
[0];
2047 params
[1] = v
.value_int_4
[1];
2048 params
[2] = v
.value_int_4
[2];
2049 params
[3] = v
.value_int_4
[3];
2052 params
[0] = INT64_TO_INT(v
.value_int64
);
2055 ; /* nothing - GL error was recorded */
2060 _mesa_GetInteger64i_v( GLenum pname
, GLuint index
, GLint64
*params
)
2063 enum value_type type
=
2064 find_value_indexed("glGetInteger64i_v", pname
, index
, &v
);
2068 params
[0] = v
.value_int
;
2071 params
[0] = v
.value_int_4
[0];
2072 params
[1] = v
.value_int_4
[1];
2073 params
[2] = v
.value_int_4
[2];
2074 params
[3] = v
.value_int_4
[3];
2077 params
[0] = v
.value_int64
;
2080 ; /* nothing - GL error was recorded */
2085 _mesa_GetFloati_v(GLenum pname
, GLuint index
, GLfloat
*params
)
2090 enum value_type type
=
2091 find_value_indexed("glGetFloati_v", pname
, index
, &v
);
2096 params
[3] = v
.value_float_4
[3];
2099 params
[2] = v
.value_float_4
[2];
2102 params
[1] = v
.value_float_4
[1];
2105 params
[0] = v
.value_float_4
[0];
2108 case TYPE_DOUBLEN_2
:
2109 params
[1] = (GLfloat
) v
.value_double_2
[1];
2111 params
[0] = (GLfloat
) v
.value_double_2
[0];
2115 params
[3] = (GLfloat
) v
.value_int_4
[3];
2117 params
[2] = (GLfloat
) v
.value_int_4
[2];
2120 params
[1] = (GLfloat
) v
.value_int_4
[1];
2123 params
[0] = (GLfloat
) v
.value_int_4
[0];
2127 for (i
= 0; i
< v
.value_int_n
.n
; i
++)
2128 params
[i
] = INT_TO_FLOAT(v
.value_int_n
.ints
[i
]);
2132 params
[0] = (GLfloat
) v
.value_int64
;
2136 params
[0] = BOOLEAN_TO_FLOAT(v
.value_bool
);
2140 m
= *(GLmatrix
**) &v
;
2141 for (i
= 0; i
< 16; i
++)
2142 params
[i
] = m
->m
[i
];
2146 m
= *(GLmatrix
**) &v
;
2147 for (i
= 0; i
< 16; i
++)
2148 params
[i
] = m
->m
[transpose
[i
]];
2157 _mesa_GetDoublei_v(GLenum pname
, GLuint index
, GLdouble
*params
)
2162 enum value_type type
=
2163 find_value_indexed("glGetDoublei_v", pname
, index
, &v
);
2168 params
[3] = (GLdouble
) v
.value_float_4
[3];
2171 params
[2] = (GLdouble
) v
.value_float_4
[2];
2174 params
[1] = (GLdouble
) v
.value_float_4
[1];
2177 params
[0] = (GLdouble
) v
.value_float_4
[0];
2180 case TYPE_DOUBLEN_2
:
2181 params
[1] = v
.value_double_2
[1];
2183 params
[0] = v
.value_double_2
[0];
2187 params
[3] = (GLdouble
) v
.value_int_4
[3];
2189 params
[2] = (GLdouble
) v
.value_int_4
[2];
2192 params
[1] = (GLdouble
) v
.value_int_4
[1];
2195 params
[0] = (GLdouble
) v
.value_int_4
[0];
2199 for (i
= 0; i
< v
.value_int_n
.n
; i
++)
2200 params
[i
] = (GLdouble
) INT_TO_FLOAT(v
.value_int_n
.ints
[i
]);
2204 params
[0] = (GLdouble
) v
.value_int64
;
2208 params
[0] = (GLdouble
) BOOLEAN_TO_FLOAT(v
.value_bool
);
2212 m
= *(GLmatrix
**) &v
;
2213 for (i
= 0; i
< 16; i
++)
2214 params
[i
] = (GLdouble
) m
->m
[i
];
2218 m
= *(GLmatrix
**) &v
;
2219 for (i
= 0; i
< 16; i
++)
2220 params
[i
] = (GLdouble
) m
->m
[transpose
[i
]];
2229 _mesa_GetFixedv(GLenum pname
, GLfixed
*params
)
2231 const struct value_desc
*d
;
2237 d
= find_value("glGetDoublev", pname
, &p
, &v
);
2242 params
[0] = INT_TO_FIXED(d
->offset
);
2247 params
[3] = FLOAT_TO_FIXED(((GLfloat
*) p
)[3]);
2250 params
[2] = FLOAT_TO_FIXED(((GLfloat
*) p
)[2]);
2253 params
[1] = FLOAT_TO_FIXED(((GLfloat
*) p
)[1]);
2256 params
[0] = FLOAT_TO_FIXED(((GLfloat
*) p
)[0]);
2259 case TYPE_DOUBLEN_2
:
2260 params
[1] = FLOAT_TO_FIXED(((GLdouble
*) p
)[1]);
2262 params
[0] = FLOAT_TO_FIXED(((GLdouble
*) p
)[0]);
2266 params
[3] = INT_TO_FIXED(((GLint
*) p
)[3]);
2268 params
[2] = INT_TO_FIXED(((GLint
*) p
)[2]);
2271 params
[1] = INT_TO_FIXED(((GLint
*) p
)[1]);
2274 params
[0] = INT_TO_FIXED(((GLint
*) p
)[0]);
2278 for (i
= 0; i
< v
.value_int_n
.n
; i
++)
2279 params
[i
] = INT_TO_FIXED(v
.value_int_n
.ints
[i
]);
2283 params
[0] = ((GLint64
*) p
)[0];
2287 params
[0] = BOOLEAN_TO_FIXED(((GLboolean
*) p
)[0]);
2291 m
= *(GLmatrix
**) p
;
2292 for (i
= 0; i
< 16; i
++)
2293 params
[i
] = FLOAT_TO_FIXED(m
->m
[i
]);
2297 m
= *(GLmatrix
**) p
;
2298 for (i
= 0; i
< 16; i
++)
2299 params
[i
] = FLOAT_TO_FIXED(m
->m
[transpose
[i
]]);
2310 shift
= d
->type
- TYPE_BIT_0
;
2311 params
[0] = BOOLEAN_TO_FIXED((*(GLbitfield
*) p
>> shift
) & 1);