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get: reconcile aliasing enums for MaxCombinedShaderOutputResources
[mesa.git] / src / mesa / main / get.c
1 /*
2 * Copyright (C) 2010 Brian Paul All Rights Reserved.
3 * Copyright (C) 2010 Intel Corporation
4 *
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:
11 *
12 * The above copyright notice and this permission notice shall be included
13 * in all copies or substantial portions of the Software.
14 *
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.
22 *
23 * Author: Kristian Høgsberg <krh@bitplanet.net>
24 */
25
26 #include "glheader.h"
27 #include "context.h"
28 #include "blend.h"
29 #include "debug_output.h"
30 #include "enable.h"
31 #include "enums.h"
32 #include "errors.h"
33 #include "extensions.h"
34 #include "get.h"
35 #include "macros.h"
36 #include "mtypes.h"
37 #include "state.h"
38 #include "texcompress.h"
39 #include "texstate.h"
40 #include "framebuffer.h"
41 #include "samplerobj.h"
42 #include "stencil.h"
43
44 /* This is a table driven implemetation of the glGet*v() functions.
45 * The basic idea is that most getters just look up an int somewhere
46 * in struct gl_context and then convert it to a bool or float according to
47 * which of glGetIntegerv() glGetBooleanv() etc is being called.
48 * Instead of generating code to do this, we can just record the enum
49 * value and the offset into struct gl_context in an array of structs. Then
50 * in glGet*(), we lookup the struct for the enum in question, and use
51 * the offset to get the int we need.
52 *
53 * Sometimes we need to look up a float, a boolean, a bit in a
54 * bitfield, a matrix or other types instead, so we need to track the
55 * type of the value in struct gl_context. And sometimes the value isn't in
56 * struct gl_context but in the drawbuffer, the array object, current texture
57 * unit, or maybe it's a computed value. So we need to also track
58 * where or how to find the value. Finally, we sometimes need to
59 * check that one of a number of extensions are enabled, the GL
60 * version or flush or call _mesa_update_state(). This is done by
61 * attaching optional extra information to the value description
62 * struct, it's sort of like an array of opcodes that describe extra
63 * checks or actions.
64 *
65 * Putting all this together we end up with struct value_desc below,
66 * and with a couple of macros to help, the table of struct value_desc
67 * is about as concise as the specification in the old python script.
68 */
69
70 #define FLOAT_TO_BOOLEAN(X) ( (X) ? GL_TRUE : GL_FALSE )
71 #define FLOAT_TO_FIXED(F) ( ((F) * 65536.0f > INT_MAX) ? INT_MAX : \
72 ((F) * 65536.0f < INT_MIN) ? INT_MIN : \
73 (GLint) ((F) * 65536.0f) )
74
75 #define INT_TO_BOOLEAN(I) ( (I) ? GL_TRUE : GL_FALSE )
76 #define INT_TO_FIXED(I) ( ((I) > SHRT_MAX) ? INT_MAX : \
77 ((I) < SHRT_MIN) ? INT_MIN : \
78 (GLint) ((I) * 65536) )
79
80 #define INT64_TO_BOOLEAN(I) ( (I) ? GL_TRUE : GL_FALSE )
81 #define INT64_TO_INT(I) ( (GLint)((I > INT_MAX) ? INT_MAX : ((I < INT_MIN) ? INT_MIN : (I))) )
82
83 #define BOOLEAN_TO_INT(B) ( (GLint) (B) )
84 #define BOOLEAN_TO_INT64(B) ( (GLint64) (B) )
85 #define BOOLEAN_TO_FLOAT(B) ( (B) ? 1.0F : 0.0F )
86 #define BOOLEAN_TO_FIXED(B) ( (GLint) ((B) ? 1 : 0) << 16 )
87
88 #define ENUM_TO_INT64(E) ( (GLint64) (E) )
89 #define ENUM_TO_FIXED(E) (E)
90
91 enum value_type {
92 TYPE_INVALID,
93 TYPE_INT,
94 TYPE_INT_2,
95 TYPE_INT_3,
96 TYPE_INT_4,
97 TYPE_INT_N,
98 TYPE_INT64,
99 TYPE_ENUM,
100 TYPE_ENUM_2,
101 TYPE_BOOLEAN,
102 TYPE_BIT_0,
103 TYPE_BIT_1,
104 TYPE_BIT_2,
105 TYPE_BIT_3,
106 TYPE_BIT_4,
107 TYPE_BIT_5,
108 TYPE_BIT_6,
109 TYPE_BIT_7,
110 TYPE_FLOAT,
111 TYPE_FLOAT_2,
112 TYPE_FLOAT_3,
113 TYPE_FLOAT_4,
114 TYPE_FLOATN,
115 TYPE_FLOATN_2,
116 TYPE_FLOATN_3,
117 TYPE_FLOATN_4,
118 TYPE_DOUBLEN,
119 TYPE_DOUBLEN_2,
120 TYPE_MATRIX,
121 TYPE_MATRIX_T,
122 TYPE_CONST
123 };
124
125 enum value_location {
126 LOC_BUFFER,
127 LOC_CONTEXT,
128 LOC_ARRAY,
129 LOC_TEXUNIT,
130 LOC_CUSTOM
131 };
132
133 enum value_extra {
134 EXTRA_END = 0x8000,
135 EXTRA_VERSION_30,
136 EXTRA_VERSION_31,
137 EXTRA_VERSION_32,
138 EXTRA_VERSION_40,
139 EXTRA_API_GL,
140 EXTRA_API_GL_CORE,
141 EXTRA_API_ES2,
142 EXTRA_API_ES3,
143 EXTRA_API_ES31,
144 EXTRA_NEW_BUFFERS,
145 EXTRA_NEW_FRAG_CLAMP,
146 EXTRA_VALID_DRAW_BUFFER,
147 EXTRA_VALID_TEXTURE_UNIT,
148 EXTRA_VALID_CLIP_DISTANCE,
149 EXTRA_FLUSH_CURRENT,
150 EXTRA_GLSL_130,
151 EXTRA_EXT_UBO_GS,
152 EXTRA_EXT_ATOMICS_GS,
153 EXTRA_EXT_SHADER_IMAGE_GS,
154 EXTRA_EXT_ATOMICS_TESS,
155 EXTRA_EXT_SHADER_IMAGE_TESS,
156 EXTRA_EXT_SSBO_GS,
157 EXTRA_EXT_FB_NO_ATTACH_GS,
158 EXTRA_EXT_ES_GS,
159 };
160
161 #define NO_EXTRA NULL
162 #define NO_OFFSET 0
163
164 struct value_desc {
165 GLenum pname;
166 GLubyte location; /**< enum value_location */
167 GLubyte type; /**< enum value_type */
168 int offset;
169 const int *extra;
170 };
171
172 union value {
173 GLfloat value_float;
174 GLfloat value_float_4[4];
175 GLdouble value_double_2[2];
176 GLmatrix *value_matrix;
177 GLint value_int;
178 GLint value_int_4[4];
179 GLint64 value_int64;
180 GLenum value_enum;
181
182 /* Sigh, see GL_COMPRESSED_TEXTURE_FORMATS_ARB handling */
183 struct {
184 GLint n, ints[100];
185 } value_int_n;
186 GLboolean value_bool;
187 };
188
189 #define BUFFER_FIELD(field, type) \
190 LOC_BUFFER, type, offsetof(struct gl_framebuffer, field)
191 #define CONTEXT_FIELD(field, type) \
192 LOC_CONTEXT, type, offsetof(struct gl_context, field)
193 #define ARRAY_FIELD(field, type) \
194 LOC_ARRAY, type, offsetof(struct gl_vertex_array_object, field)
195 #undef CONST /* already defined through windows.h */
196 #define CONST(value) \
197 LOC_CONTEXT, TYPE_CONST, value
198
199 #define BUFFER_INT(field) BUFFER_FIELD(field, TYPE_INT)
200 #define BUFFER_ENUM(field) BUFFER_FIELD(field, TYPE_ENUM)
201 #define BUFFER_BOOL(field) BUFFER_FIELD(field, TYPE_BOOLEAN)
202
203 #define CONTEXT_INT(field) CONTEXT_FIELD(field, TYPE_INT)
204 #define CONTEXT_INT2(field) CONTEXT_FIELD(field, TYPE_INT_2)
205 #define CONTEXT_INT64(field) CONTEXT_FIELD(field, TYPE_INT64)
206 #define CONTEXT_ENUM(field) CONTEXT_FIELD(field, TYPE_ENUM)
207 #define CONTEXT_ENUM2(field) CONTEXT_FIELD(field, TYPE_ENUM_2)
208 #define CONTEXT_BOOL(field) CONTEXT_FIELD(field, TYPE_BOOLEAN)
209 #define CONTEXT_BIT0(field) CONTEXT_FIELD(field, TYPE_BIT_0)
210 #define CONTEXT_BIT1(field) CONTEXT_FIELD(field, TYPE_BIT_1)
211 #define CONTEXT_BIT2(field) CONTEXT_FIELD(field, TYPE_BIT_2)
212 #define CONTEXT_BIT3(field) CONTEXT_FIELD(field, TYPE_BIT_3)
213 #define CONTEXT_BIT4(field) CONTEXT_FIELD(field, TYPE_BIT_4)
214 #define CONTEXT_BIT5(field) CONTEXT_FIELD(field, TYPE_BIT_5)
215 #define CONTEXT_BIT6(field) CONTEXT_FIELD(field, TYPE_BIT_6)
216 #define CONTEXT_BIT7(field) CONTEXT_FIELD(field, TYPE_BIT_7)
217 #define CONTEXT_FLOAT(field) CONTEXT_FIELD(field, TYPE_FLOAT)
218 #define CONTEXT_FLOAT2(field) CONTEXT_FIELD(field, TYPE_FLOAT_2)
219 #define CONTEXT_FLOAT3(field) CONTEXT_FIELD(field, TYPE_FLOAT_3)
220 #define CONTEXT_FLOAT4(field) CONTEXT_FIELD(field, TYPE_FLOAT_4)
221 #define CONTEXT_MATRIX(field) CONTEXT_FIELD(field, TYPE_MATRIX)
222 #define CONTEXT_MATRIX_T(field) CONTEXT_FIELD(field, TYPE_MATRIX_T)
223
224 #define ARRAY_INT(field) ARRAY_FIELD(field, TYPE_INT)
225 #define ARRAY_ENUM(field) ARRAY_FIELD(field, TYPE_ENUM)
226 #define ARRAY_BOOL(field) ARRAY_FIELD(field, TYPE_BOOLEAN)
227
228 #define EXT(f) \
229 offsetof(struct gl_extensions, f)
230
231 #define EXTRA_EXT(e) \
232 static const int extra_##e[] = { \
233 EXT(e), EXTRA_END \
234 }
235
236 #define EXTRA_EXT2(e1, e2) \
237 static const int extra_##e1##_##e2[] = { \
238 EXT(e1), EXT(e2), EXTRA_END \
239 }
240
241 /* The 'extra' mechanism is a way to specify extra checks (such as
242 * extensions or specific gl versions) or actions (flush current, new
243 * buffers) that we need to do before looking up an enum. We need to
244 * declare them all up front so we can refer to them in the value_desc
245 * structs below.
246 *
247 * Each EXTRA_ will be executed. For EXTRA_* enums of extensions and API
248 * versions, listing multiple ones in an array means an error will be thrown
249 * only if none of them are available. If you need to check for "AND"
250 * behavior, you would need to make a custom EXTRA_ enum.
251 */
252
253 static const int extra_new_buffers[] = {
254 EXTRA_NEW_BUFFERS,
255 EXTRA_END
256 };
257
258 static const int extra_new_frag_clamp[] = {
259 EXTRA_NEW_FRAG_CLAMP,
260 EXTRA_END
261 };
262
263 static const int extra_valid_draw_buffer[] = {
264 EXTRA_VALID_DRAW_BUFFER,
265 EXTRA_END
266 };
267
268 static const int extra_valid_texture_unit[] = {
269 EXTRA_VALID_TEXTURE_UNIT,
270 EXTRA_END
271 };
272
273 static const int extra_valid_clip_distance[] = {
274 EXTRA_VALID_CLIP_DISTANCE,
275 EXTRA_END
276 };
277
278 static const int extra_flush_current_valid_texture_unit[] = {
279 EXTRA_FLUSH_CURRENT,
280 EXTRA_VALID_TEXTURE_UNIT,
281 EXTRA_END
282 };
283
284 static const int extra_flush_current[] = {
285 EXTRA_FLUSH_CURRENT,
286 EXTRA_END
287 };
288
289 static const int extra_EXT_texture_integer_and_new_buffers[] = {
290 EXT(EXT_texture_integer),
291 EXTRA_NEW_BUFFERS,
292 EXTRA_END
293 };
294
295 static const int extra_GLSL_130_es3[] = {
296 EXTRA_GLSL_130,
297 EXTRA_API_ES3,
298 EXTRA_END
299 };
300
301 static const int extra_texture_buffer_object[] = {
302 EXTRA_API_GL_CORE,
303 EXTRA_VERSION_31,
304 EXT(ARB_texture_buffer_object),
305 EXTRA_END
306 };
307
308 static const int extra_ARB_transform_feedback2_api_es3[] = {
309 EXT(ARB_transform_feedback2),
310 EXTRA_API_ES3,
311 EXTRA_END
312 };
313
314 static const int extra_ARB_uniform_buffer_object_and_geometry_shader[] = {
315 EXTRA_EXT_UBO_GS,
316 EXTRA_END
317 };
318
319 static const int extra_ARB_ES2_compatibility_api_es2[] = {
320 EXT(ARB_ES2_compatibility),
321 EXTRA_API_ES2,
322 EXTRA_END
323 };
324
325 static const int extra_ARB_ES3_compatibility_api_es3[] = {
326 EXT(ARB_ES3_compatibility),
327 EXTRA_API_ES3,
328 EXTRA_END
329 };
330
331 static const int extra_EXT_framebuffer_sRGB_and_new_buffers[] = {
332 EXT(EXT_framebuffer_sRGB),
333 EXTRA_NEW_BUFFERS,
334 EXTRA_END
335 };
336
337 static const int extra_EXT_packed_float[] = {
338 EXT(EXT_packed_float),
339 EXTRA_NEW_BUFFERS,
340 EXTRA_END
341 };
342
343 static const int extra_EXT_texture_array_es3[] = {
344 EXT(EXT_texture_array),
345 EXTRA_API_ES3,
346 EXTRA_END
347 };
348
349 static const int extra_ARB_shader_atomic_counters_and_geometry_shader[] = {
350 EXTRA_EXT_ATOMICS_GS,
351 EXTRA_END
352 };
353
354 static const int extra_ARB_shader_image_load_store_and_geometry_shader[] = {
355 EXTRA_EXT_SHADER_IMAGE_GS,
356 EXTRA_END
357 };
358
359 static const int extra_ARB_shader_atomic_counters_and_tessellation[] = {
360 EXTRA_EXT_ATOMICS_TESS,
361 EXTRA_END
362 };
363
364 static const int extra_ARB_shader_image_load_store_and_tessellation[] = {
365 EXTRA_EXT_SHADER_IMAGE_TESS,
366 EXTRA_END
367 };
368
369 /* HACK: remove when ARB_compute_shader is actually supported */
370 static const int extra_ARB_compute_shader_es31[] = {
371 EXT(ARB_compute_shader),
372 EXTRA_API_ES31,
373 EXTRA_END
374 };
375
376 static const int extra_ARB_shader_storage_buffer_object_es31[] = {
377 EXT(ARB_shader_storage_buffer_object),
378 EXTRA_API_ES31,
379 EXTRA_END
380 };
381
382 static const int extra_ARB_shader_storage_buffer_object_and_geometry_shader[] = {
383 EXTRA_EXT_SSBO_GS,
384 EXTRA_END
385 };
386
387 static const int extra_ARB_shader_image_load_store_shader_storage_buffer_object_es31[] = {
388 EXT(ARB_shader_image_load_store),
389 EXT(ARB_shader_storage_buffer_object),
390 EXTRA_API_ES31,
391 EXTRA_END
392 };
393
394 static const int extra_ARB_framebuffer_no_attachments_and_geometry_shader[] = {
395 EXTRA_EXT_FB_NO_ATTACH_GS,
396 EXTRA_END
397 };
398
399 static const int extra_ARB_viewport_array_or_oes_geometry_shader[] = {
400 EXT(ARB_viewport_array),
401 EXTRA_EXT_ES_GS,
402 EXTRA_END
403 };
404
405 static const int extra_ARB_gpu_shader5_or_oes_geometry_shader[] = {
406 EXT(ARB_gpu_shader5),
407 EXTRA_EXT_ES_GS,
408 EXTRA_END
409 };
410
411 EXTRA_EXT(ARB_texture_cube_map);
412 EXTRA_EXT(EXT_texture_array);
413 EXTRA_EXT(NV_fog_distance);
414 EXTRA_EXT(EXT_texture_filter_anisotropic);
415 EXTRA_EXT(NV_point_sprite);
416 EXTRA_EXT(NV_texture_rectangle);
417 EXTRA_EXT(EXT_stencil_two_side);
418 EXTRA_EXT(EXT_depth_bounds_test);
419 EXTRA_EXT(ARB_depth_clamp);
420 EXTRA_EXT(ATI_fragment_shader);
421 EXTRA_EXT(EXT_provoking_vertex);
422 EXTRA_EXT(ARB_fragment_shader);
423 EXTRA_EXT(ARB_fragment_program);
424 EXTRA_EXT2(ARB_framebuffer_object, EXT_framebuffer_multisample);
425 EXTRA_EXT(ARB_seamless_cube_map);
426 EXTRA_EXT(ARB_sync);
427 EXTRA_EXT(ARB_vertex_shader);
428 EXTRA_EXT(EXT_transform_feedback);
429 EXTRA_EXT(ARB_transform_feedback3);
430 EXTRA_EXT(EXT_pixel_buffer_object);
431 EXTRA_EXT(ARB_vertex_program);
432 EXTRA_EXT2(NV_point_sprite, ARB_point_sprite);
433 EXTRA_EXT2(ARB_vertex_program, ARB_fragment_program);
434 EXTRA_EXT(ARB_color_buffer_float);
435 EXTRA_EXT(EXT_framebuffer_sRGB);
436 EXTRA_EXT(OES_EGL_image_external);
437 EXTRA_EXT(ARB_blend_func_extended);
438 EXTRA_EXT(ARB_uniform_buffer_object);
439 EXTRA_EXT(ARB_timer_query);
440 EXTRA_EXT(ARB_texture_cube_map_array);
441 EXTRA_EXT(ARB_texture_buffer_range);
442 EXTRA_EXT(ARB_texture_multisample);
443 EXTRA_EXT(ARB_texture_gather);
444 EXTRA_EXT(ARB_shader_atomic_counters);
445 EXTRA_EXT(ARB_draw_indirect);
446 EXTRA_EXT(ARB_shader_image_load_store);
447 EXTRA_EXT(ARB_viewport_array);
448 EXTRA_EXT(ARB_compute_shader);
449 EXTRA_EXT(ARB_gpu_shader5);
450 EXTRA_EXT(ARB_query_buffer_object);
451 EXTRA_EXT2(ARB_transform_feedback3, ARB_gpu_shader5);
452 EXTRA_EXT(INTEL_performance_query);
453 EXTRA_EXT(ARB_explicit_uniform_location);
454 EXTRA_EXT(ARB_clip_control);
455 EXTRA_EXT(EXT_polygon_offset_clamp);
456 EXTRA_EXT(ARB_framebuffer_no_attachments);
457 EXTRA_EXT(ARB_tessellation_shader);
458 EXTRA_EXT(ARB_shader_subroutine);
459 EXTRA_EXT(ARB_shader_storage_buffer_object);
460 EXTRA_EXT(ARB_indirect_parameters);
461 EXTRA_EXT(ATI_meminfo);
462 EXTRA_EXT(NVX_gpu_memory_info);
463
464 static const int
465 extra_ARB_color_buffer_float_or_glcore[] = {
466 EXT(ARB_color_buffer_float),
467 EXTRA_API_GL_CORE,
468 EXTRA_END
469 };
470
471 static const int
472 extra_NV_primitive_restart[] = {
473 EXT(NV_primitive_restart),
474 EXTRA_END
475 };
476
477 static const int extra_version_30[] = { EXTRA_VERSION_30, EXTRA_END };
478 static const int extra_version_31[] = { EXTRA_VERSION_31, EXTRA_END };
479 static const int extra_version_32[] = { EXTRA_VERSION_32, EXTRA_END };
480 static const int extra_version_40[] = { EXTRA_VERSION_40, EXTRA_END };
481
482 static const int extra_gl30_es3[] = {
483 EXTRA_VERSION_30,
484 EXTRA_API_ES3,
485 EXTRA_END,
486 };
487
488 static const int extra_gl32_es3[] = {
489 EXTRA_VERSION_32,
490 EXTRA_API_ES3,
491 EXTRA_END,
492 };
493
494 static const int extra_version_32_OES_geometry_shader[] = {
495 EXTRA_VERSION_32,
496 EXTRA_EXT_ES_GS,
497 EXTRA_END
498 };
499
500 static const int extra_gl40_ARB_sample_shading[] = {
501 EXTRA_VERSION_40,
502 EXT(ARB_sample_shading),
503 EXTRA_END
504 };
505
506 static const int
507 extra_ARB_vertex_program_api_es2[] = {
508 EXT(ARB_vertex_program),
509 EXTRA_API_ES2,
510 EXTRA_END
511 };
512
513 /* The ReadBuffer get token is valid under either full GL or under
514 * GLES2 if the NV_read_buffer extension is available. */
515 static const int
516 extra_NV_read_buffer_api_gl[] = {
517 EXTRA_API_ES2,
518 EXTRA_API_GL,
519 EXTRA_END
520 };
521
522 static const int extra_core_ARB_color_buffer_float_and_new_buffers[] = {
523 EXTRA_API_GL_CORE,
524 EXT(ARB_color_buffer_float),
525 EXTRA_NEW_BUFFERS,
526 EXTRA_END
527 };
528
529 /* This is the big table describing all the enums we accept in
530 * glGet*v(). The table is partitioned into six parts: enums
531 * understood by all GL APIs (OpenGL, GLES and GLES2), enums shared
532 * between OpenGL and GLES, enums exclusive to GLES, etc for the
533 * remaining combinations. To look up the enums valid in a given API
534 * we will use a hash table specific to that API. These tables are in
535 * turn generated at build time and included through get_hash.h.
536 */
537
538 #include "get_hash.h"
539
540 /* All we need now is a way to look up the value struct from the enum.
541 * The code generated by gcc for the old generated big switch
542 * statement is a big, balanced, open coded if/else tree, essentially
543 * an unrolled binary search. It would be natural to sort the new
544 * enum table and use bsearch(), but we will use a read-only hash
545 * table instead. bsearch() has a nice guaranteed worst case
546 * performance, but we're also guaranteed to hit that worst case
547 * (log2(n) iterations) for about half the enums. Instead, using an
548 * open addressing hash table, we can find the enum on the first try
549 * for 80% of the enums, 1 collision for 10% and never more than 5
550 * collisions for any enum (typical numbers). And the code is very
551 * simple, even though it feels a little magic. */
552
553 #ifdef GET_DEBUG
554 static void
555 print_table_stats(int api)
556 {
557 int i, j, collisions[11], count, hash, mask;
558 const struct value_desc *d;
559 const char *api_names[] = {
560 [API_OPENGL_COMPAT] = "GL",
561 [API_OPENGL_CORE] = "GL_CORE",
562 [API_OPENGLES] = "GLES",
563 [API_OPENGLES2] = "GLES2",
564 };
565 const char *api_name;
566
567 api_name = api < ARRAY_SIZE(api_names) ? api_names[api] : "N/A";
568 count = 0;
569 mask = ARRAY_SIZE(table(api)) - 1;
570 memset(collisions, 0, sizeof collisions);
571
572 for (i = 0; i < ARRAY_SIZE(table(api)); i++) {
573 if (!table(api)[i])
574 continue;
575 count++;
576 d = &values[table(api)[i]];
577 hash = (d->pname * prime_factor);
578 j = 0;
579 while (1) {
580 if (values[table(api)[hash & mask]].pname == d->pname)
581 break;
582 hash += prime_step;
583 j++;
584 }
585
586 if (j < 10)
587 collisions[j]++;
588 else
589 collisions[10]++;
590 }
591
592 printf("number of enums for %s: %d (total %ld)\n",
593 api_name, count, ARRAY_SIZE(values));
594 for (i = 0; i < ARRAY_SIZE(collisions) - 1; i++)
595 if (collisions[i] > 0)
596 printf(" %d enums with %d %scollisions\n",
597 collisions[i], i, i == 10 ? "or more " : "");
598 }
599 #endif
600
601 /**
602 * Initialize the enum hash for a given API
603 *
604 * This is called from one_time_init() to insert the enum values that
605 * are valid for the API in question into the enum hash table.
606 *
607 * \param the current context, for determining the API in question
608 */
609 void _mesa_init_get_hash(struct gl_context *ctx)
610 {
611 #ifdef GET_DEBUG
612 print_table_stats(ctx->API);
613 #else
614 (void) ctx;
615 #endif
616 }
617
618 /**
619 * Handle irregular enums
620 *
621 * Some values don't conform to the "well-known type at context
622 * pointer + offset" pattern, so we have this function to catch all
623 * the corner cases. Typically, it's a computed value or a one-off
624 * pointer to a custom struct or something.
625 *
626 * In this case we can't return a pointer to the value, so we'll have
627 * to use the temporary variable 'v' declared back in the calling
628 * glGet*v() function to store the result.
629 *
630 * \param ctx the current context
631 * \param d the struct value_desc that describes the enum
632 * \param v pointer to the tmp declared in the calling glGet*v() function
633 */
634 static void
635 find_custom_value(struct gl_context *ctx, const struct value_desc *d, union value *v)
636 {
637 struct gl_buffer_object **buffer_obj;
638 struct gl_vertex_attrib_array *array;
639 GLuint unit, *p;
640
641 switch (d->pname) {
642 case GL_MAJOR_VERSION:
643 v->value_int = ctx->Version / 10;
644 break;
645 case GL_MINOR_VERSION:
646 v->value_int = ctx->Version % 10;
647 break;
648
649 case GL_TEXTURE_1D:
650 case GL_TEXTURE_2D:
651 case GL_TEXTURE_3D:
652 case GL_TEXTURE_CUBE_MAP:
653 case GL_TEXTURE_RECTANGLE_NV:
654 case GL_TEXTURE_EXTERNAL_OES:
655 v->value_bool = _mesa_IsEnabled(d->pname);
656 break;
657
658 case GL_LINE_STIPPLE_PATTERN:
659 /* This is the only GLushort, special case it here by promoting
660 * to an int rather than introducing a new type. */
661 v->value_int = ctx->Line.StipplePattern;
662 break;
663
664 case GL_CURRENT_RASTER_TEXTURE_COORDS:
665 unit = ctx->Texture.CurrentUnit;
666 v->value_float_4[0] = ctx->Current.RasterTexCoords[unit][0];
667 v->value_float_4[1] = ctx->Current.RasterTexCoords[unit][1];
668 v->value_float_4[2] = ctx->Current.RasterTexCoords[unit][2];
669 v->value_float_4[3] = ctx->Current.RasterTexCoords[unit][3];
670 break;
671
672 case GL_CURRENT_TEXTURE_COORDS:
673 unit = ctx->Texture.CurrentUnit;
674 v->value_float_4[0] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][0];
675 v->value_float_4[1] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][1];
676 v->value_float_4[2] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][2];
677 v->value_float_4[3] = ctx->Current.Attrib[VERT_ATTRIB_TEX0 + unit][3];
678 break;
679
680 case GL_COLOR_WRITEMASK:
681 v->value_int_4[0] = ctx->Color.ColorMask[0][RCOMP] ? 1 : 0;
682 v->value_int_4[1] = ctx->Color.ColorMask[0][GCOMP] ? 1 : 0;
683 v->value_int_4[2] = ctx->Color.ColorMask[0][BCOMP] ? 1 : 0;
684 v->value_int_4[3] = ctx->Color.ColorMask[0][ACOMP] ? 1 : 0;
685 break;
686
687 case GL_EDGE_FLAG:
688 v->value_bool = ctx->Current.Attrib[VERT_ATTRIB_EDGEFLAG][0] == 1.0F;
689 break;
690
691 case GL_READ_BUFFER:
692 v->value_enum = ctx->ReadBuffer->ColorReadBuffer;
693 break;
694
695 case GL_MAP2_GRID_DOMAIN:
696 v->value_float_4[0] = ctx->Eval.MapGrid2u1;
697 v->value_float_4[1] = ctx->Eval.MapGrid2u2;
698 v->value_float_4[2] = ctx->Eval.MapGrid2v1;
699 v->value_float_4[3] = ctx->Eval.MapGrid2v2;
700 break;
701
702 case GL_TEXTURE_STACK_DEPTH:
703 unit = ctx->Texture.CurrentUnit;
704 v->value_int = ctx->TextureMatrixStack[unit].Depth + 1;
705 break;
706 case GL_TEXTURE_MATRIX:
707 unit = ctx->Texture.CurrentUnit;
708 v->value_matrix = ctx->TextureMatrixStack[unit].Top;
709 break;
710
711 case GL_TEXTURE_COORD_ARRAY:
712 case GL_TEXTURE_COORD_ARRAY_SIZE:
713 case GL_TEXTURE_COORD_ARRAY_TYPE:
714 case GL_TEXTURE_COORD_ARRAY_STRIDE:
715 array = &ctx->Array.VAO->VertexAttrib[VERT_ATTRIB_TEX(ctx->Array.ActiveTexture)];
716 v->value_int = *(GLuint *) ((char *) array + d->offset);
717 break;
718
719 case GL_ACTIVE_TEXTURE_ARB:
720 v->value_int = GL_TEXTURE0_ARB + ctx->Texture.CurrentUnit;
721 break;
722 case GL_CLIENT_ACTIVE_TEXTURE_ARB:
723 v->value_int = GL_TEXTURE0_ARB + ctx->Array.ActiveTexture;
724 break;
725
726 case GL_MODELVIEW_STACK_DEPTH:
727 case GL_PROJECTION_STACK_DEPTH:
728 v->value_int = *(GLint *) ((char *) ctx + d->offset) + 1;
729 break;
730
731 case GL_MAX_TEXTURE_SIZE:
732 case GL_MAX_3D_TEXTURE_SIZE:
733 case GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB:
734 p = (GLuint *) ((char *) ctx + d->offset);
735 v->value_int = 1 << (*p - 1);
736 break;
737
738 case GL_SCISSOR_BOX:
739 v->value_int_4[0] = ctx->Scissor.ScissorArray[0].X;
740 v->value_int_4[1] = ctx->Scissor.ScissorArray[0].Y;
741 v->value_int_4[2] = ctx->Scissor.ScissorArray[0].Width;
742 v->value_int_4[3] = ctx->Scissor.ScissorArray[0].Height;
743 break;
744
745 case GL_SCISSOR_TEST:
746 v->value_bool = ctx->Scissor.EnableFlags & 1;
747 break;
748
749 case GL_LIST_INDEX:
750 v->value_int =
751 ctx->ListState.CurrentList ? ctx->ListState.CurrentList->Name : 0;
752 break;
753 case GL_LIST_MODE:
754 if (!ctx->CompileFlag)
755 v->value_enum = 0;
756 else if (ctx->ExecuteFlag)
757 v->value_enum = GL_COMPILE_AND_EXECUTE;
758 else
759 v->value_enum = GL_COMPILE;
760 break;
761
762 case GL_VIEWPORT:
763 v->value_float_4[0] = ctx->ViewportArray[0].X;
764 v->value_float_4[1] = ctx->ViewportArray[0].Y;
765 v->value_float_4[2] = ctx->ViewportArray[0].Width;
766 v->value_float_4[3] = ctx->ViewportArray[0].Height;
767 break;
768
769 case GL_DEPTH_RANGE:
770 v->value_double_2[0] = ctx->ViewportArray[0].Near;
771 v->value_double_2[1] = ctx->ViewportArray[0].Far;
772 break;
773
774 case GL_ACTIVE_STENCIL_FACE_EXT:
775 v->value_enum = ctx->Stencil.ActiveFace ? GL_BACK : GL_FRONT;
776 break;
777
778 case GL_STENCIL_FAIL:
779 v->value_enum = ctx->Stencil.FailFunc[ctx->Stencil.ActiveFace];
780 break;
781 case GL_STENCIL_FUNC:
782 v->value_enum = ctx->Stencil.Function[ctx->Stencil.ActiveFace];
783 break;
784 case GL_STENCIL_PASS_DEPTH_FAIL:
785 v->value_enum = ctx->Stencil.ZFailFunc[ctx->Stencil.ActiveFace];
786 break;
787 case GL_STENCIL_PASS_DEPTH_PASS:
788 v->value_enum = ctx->Stencil.ZPassFunc[ctx->Stencil.ActiveFace];
789 break;
790 case GL_STENCIL_REF:
791 v->value_int = _mesa_get_stencil_ref(ctx, ctx->Stencil.ActiveFace);
792 break;
793 case GL_STENCIL_BACK_REF:
794 v->value_int = _mesa_get_stencil_ref(ctx, 1);
795 break;
796 case GL_STENCIL_VALUE_MASK:
797 v->value_int = ctx->Stencil.ValueMask[ctx->Stencil.ActiveFace];
798 break;
799 case GL_STENCIL_WRITEMASK:
800 v->value_int = ctx->Stencil.WriteMask[ctx->Stencil.ActiveFace];
801 break;
802
803 case GL_NUM_EXTENSIONS:
804 v->value_int = _mesa_get_extension_count(ctx);
805 break;
806
807 case GL_IMPLEMENTATION_COLOR_READ_TYPE_OES:
808 v->value_int = _mesa_get_color_read_type(ctx);
809 break;
810 case GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES:
811 v->value_int = _mesa_get_color_read_format(ctx);
812 break;
813
814 case GL_CURRENT_MATRIX_STACK_DEPTH_ARB:
815 v->value_int = ctx->CurrentStack->Depth + 1;
816 break;
817 case GL_CURRENT_MATRIX_ARB:
818 case GL_TRANSPOSE_CURRENT_MATRIX_ARB:
819 v->value_matrix = ctx->CurrentStack->Top;
820 break;
821
822 case GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB:
823 v->value_int = _mesa_get_compressed_formats(ctx, NULL);
824 break;
825 case GL_COMPRESSED_TEXTURE_FORMATS_ARB:
826 v->value_int_n.n =
827 _mesa_get_compressed_formats(ctx, v->value_int_n.ints);
828 assert(v->value_int_n.n <= (int) ARRAY_SIZE(v->value_int_n.ints));
829 break;
830
831 case GL_MAX_VARYING_FLOATS_ARB:
832 v->value_int = ctx->Const.MaxVarying * 4;
833 break;
834
835 /* Various object names */
836
837 case GL_TEXTURE_BINDING_1D:
838 case GL_TEXTURE_BINDING_2D:
839 case GL_TEXTURE_BINDING_3D:
840 case GL_TEXTURE_BINDING_1D_ARRAY_EXT:
841 case GL_TEXTURE_BINDING_2D_ARRAY_EXT:
842 case GL_TEXTURE_BINDING_CUBE_MAP_ARB:
843 case GL_TEXTURE_BINDING_RECTANGLE_NV:
844 case GL_TEXTURE_BINDING_EXTERNAL_OES:
845 case GL_TEXTURE_BINDING_CUBE_MAP_ARRAY:
846 case GL_TEXTURE_BINDING_2D_MULTISAMPLE:
847 case GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY:
848 unit = ctx->Texture.CurrentUnit;
849 v->value_int =
850 ctx->Texture.Unit[unit].CurrentTex[d->offset]->Name;
851 break;
852
853 /* GL_EXT_packed_float */
854 case GL_RGBA_SIGNED_COMPONENTS_EXT:
855 {
856 /* Note: we only check the 0th color attachment. */
857 const struct gl_renderbuffer *rb =
858 ctx->DrawBuffer->_ColorDrawBuffers[0];
859 if (rb && _mesa_is_format_signed(rb->Format)) {
860 /* Issue 17 of GL_EXT_packed_float: If a component (such as
861 * alpha) has zero bits, the component should not be considered
862 * signed and so the bit for the respective component should be
863 * zeroed.
864 */
865 GLint r_bits =
866 _mesa_get_format_bits(rb->Format, GL_RED_BITS);
867 GLint g_bits =
868 _mesa_get_format_bits(rb->Format, GL_GREEN_BITS);
869 GLint b_bits =
870 _mesa_get_format_bits(rb->Format, GL_BLUE_BITS);
871 GLint a_bits =
872 _mesa_get_format_bits(rb->Format, GL_ALPHA_BITS);
873 GLint l_bits =
874 _mesa_get_format_bits(rb->Format, GL_TEXTURE_LUMINANCE_SIZE);
875 GLint i_bits =
876 _mesa_get_format_bits(rb->Format, GL_TEXTURE_INTENSITY_SIZE);
877
878 v->value_int_4[0] = r_bits + l_bits + i_bits > 0;
879 v->value_int_4[1] = g_bits + l_bits + i_bits > 0;
880 v->value_int_4[2] = b_bits + l_bits + i_bits > 0;
881 v->value_int_4[3] = a_bits + i_bits > 0;
882 }
883 else {
884 v->value_int_4[0] =
885 v->value_int_4[1] =
886 v->value_int_4[2] =
887 v->value_int_4[3] = 0;
888 }
889 }
890 break;
891
892 /* GL_ARB_vertex_buffer_object */
893 case GL_VERTEX_ARRAY_BUFFER_BINDING_ARB:
894 case GL_NORMAL_ARRAY_BUFFER_BINDING_ARB:
895 case GL_COLOR_ARRAY_BUFFER_BINDING_ARB:
896 case GL_INDEX_ARRAY_BUFFER_BINDING_ARB:
897 case GL_EDGE_FLAG_ARRAY_BUFFER_BINDING_ARB:
898 case GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING_ARB:
899 case GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING_ARB:
900 buffer_obj = (struct gl_buffer_object **)
901 ((char *) ctx->Array.VAO + d->offset);
902 v->value_int = (*buffer_obj)->Name;
903 break;
904 case GL_ARRAY_BUFFER_BINDING_ARB:
905 v->value_int = ctx->Array.ArrayBufferObj->Name;
906 break;
907 case GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING_ARB:
908 v->value_int =
909 ctx->Array.VAO->VertexBinding[VERT_ATTRIB_TEX(ctx->Array.ActiveTexture)].BufferObj->Name;
910 break;
911 case GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB:
912 v->value_int = ctx->Array.VAO->IndexBufferObj->Name;
913 break;
914
915 /* ARB_vertex_array_bgra */
916 case GL_COLOR_ARRAY_SIZE:
917 array = &ctx->Array.VAO->VertexAttrib[VERT_ATTRIB_COLOR0];
918 v->value_int = array->Format == GL_BGRA ? GL_BGRA : array->Size;
919 break;
920 case GL_SECONDARY_COLOR_ARRAY_SIZE:
921 array = &ctx->Array.VAO->VertexAttrib[VERT_ATTRIB_COLOR1];
922 v->value_int = array->Format == GL_BGRA ? GL_BGRA : array->Size;
923 break;
924
925 /* ARB_copy_buffer */
926 case GL_COPY_READ_BUFFER:
927 v->value_int = ctx->CopyReadBuffer->Name;
928 break;
929 case GL_COPY_WRITE_BUFFER:
930 v->value_int = ctx->CopyWriteBuffer->Name;
931 break;
932
933 case GL_PIXEL_PACK_BUFFER_BINDING_EXT:
934 v->value_int = ctx->Pack.BufferObj->Name;
935 break;
936 case GL_PIXEL_UNPACK_BUFFER_BINDING_EXT:
937 v->value_int = ctx->Unpack.BufferObj->Name;
938 break;
939 case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING:
940 v->value_int = ctx->TransformFeedback.CurrentBuffer->Name;
941 break;
942 case GL_TRANSFORM_FEEDBACK_BUFFER_PAUSED:
943 v->value_int = ctx->TransformFeedback.CurrentObject->Paused;
944 break;
945 case GL_TRANSFORM_FEEDBACK_BUFFER_ACTIVE:
946 v->value_int = ctx->TransformFeedback.CurrentObject->Active;
947 break;
948 case GL_TRANSFORM_FEEDBACK_BINDING:
949 v->value_int = ctx->TransformFeedback.CurrentObject->Name;
950 break;
951 case GL_CURRENT_PROGRAM:
952 /* The Changelog of the ARB_separate_shader_objects spec says:
953 *
954 * 24 25 Jul 2011 pbrown Remove the language erroneously deleting
955 * CURRENT_PROGRAM. In the EXT extension, this
956 * token was aliased to ACTIVE_PROGRAM_EXT, and
957 * was used to indicate the last program set by
958 * either ActiveProgramEXT or UseProgram. In
959 * the ARB extension, the SSO active programs
960 * are now program pipeline object state and
961 * CURRENT_PROGRAM should still be used to query
962 * the last program set by UseProgram (bug 7822).
963 */
964 v->value_int =
965 ctx->Shader.ActiveProgram ? ctx->Shader.ActiveProgram->Name : 0;
966 break;
967 case GL_READ_FRAMEBUFFER_BINDING_EXT:
968 v->value_int = ctx->ReadBuffer->Name;
969 break;
970 case GL_RENDERBUFFER_BINDING_EXT:
971 v->value_int =
972 ctx->CurrentRenderbuffer ? ctx->CurrentRenderbuffer->Name : 0;
973 break;
974 case GL_POINT_SIZE_ARRAY_BUFFER_BINDING_OES:
975 v->value_int = ctx->Array.VAO->VertexBinding[VERT_ATTRIB_POINT_SIZE].BufferObj->Name;
976 break;
977
978 case GL_FOG_COLOR:
979 if (_mesa_get_clamp_fragment_color(ctx, ctx->DrawBuffer))
980 COPY_4FV(v->value_float_4, ctx->Fog.Color);
981 else
982 COPY_4FV(v->value_float_4, ctx->Fog.ColorUnclamped);
983 break;
984 case GL_COLOR_CLEAR_VALUE:
985 if (_mesa_get_clamp_fragment_color(ctx, ctx->DrawBuffer)) {
986 v->value_float_4[0] = CLAMP(ctx->Color.ClearColor.f[0], 0.0F, 1.0F);
987 v->value_float_4[1] = CLAMP(ctx->Color.ClearColor.f[1], 0.0F, 1.0F);
988 v->value_float_4[2] = CLAMP(ctx->Color.ClearColor.f[2], 0.0F, 1.0F);
989 v->value_float_4[3] = CLAMP(ctx->Color.ClearColor.f[3], 0.0F, 1.0F);
990 } else
991 COPY_4FV(v->value_float_4, ctx->Color.ClearColor.f);
992 break;
993 case GL_BLEND_COLOR_EXT:
994 if (_mesa_get_clamp_fragment_color(ctx, ctx->DrawBuffer))
995 COPY_4FV(v->value_float_4, ctx->Color.BlendColor);
996 else
997 COPY_4FV(v->value_float_4, ctx->Color.BlendColorUnclamped);
998 break;
999 case GL_ALPHA_TEST_REF:
1000 if (_mesa_get_clamp_fragment_color(ctx, ctx->DrawBuffer))
1001 v->value_float = ctx->Color.AlphaRef;
1002 else
1003 v->value_float = ctx->Color.AlphaRefUnclamped;
1004 break;
1005 case GL_MAX_VERTEX_UNIFORM_VECTORS:
1006 v->value_int = ctx->Const.Program[MESA_SHADER_VERTEX].MaxUniformComponents / 4;
1007 break;
1008
1009 case GL_MAX_FRAGMENT_UNIFORM_VECTORS:
1010 v->value_int = ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxUniformComponents / 4;
1011 break;
1012
1013 /* GL_ARB_texture_buffer_object */
1014 case GL_TEXTURE_BUFFER_ARB:
1015 v->value_int = ctx->Texture.BufferObject->Name;
1016 break;
1017 case GL_TEXTURE_BINDING_BUFFER_ARB:
1018 unit = ctx->Texture.CurrentUnit;
1019 v->value_int =
1020 ctx->Texture.Unit[unit].CurrentTex[TEXTURE_BUFFER_INDEX]->Name;
1021 break;
1022 case GL_TEXTURE_BUFFER_DATA_STORE_BINDING_ARB:
1023 {
1024 struct gl_buffer_object *buf =
1025 ctx->Texture.Unit[ctx->Texture.CurrentUnit]
1026 .CurrentTex[TEXTURE_BUFFER_INDEX]->BufferObject;
1027 v->value_int = buf ? buf->Name : 0;
1028 }
1029 break;
1030 case GL_TEXTURE_BUFFER_FORMAT_ARB:
1031 v->value_int = ctx->Texture.Unit[ctx->Texture.CurrentUnit]
1032 .CurrentTex[TEXTURE_BUFFER_INDEX]->BufferObjectFormat;
1033 break;
1034
1035 /* GL_ARB_sampler_objects */
1036 case GL_SAMPLER_BINDING:
1037 {
1038 struct gl_sampler_object *samp =
1039 ctx->Texture.Unit[ctx->Texture.CurrentUnit].Sampler;
1040 v->value_int = samp ? samp->Name : 0;
1041 }
1042 break;
1043 /* GL_ARB_uniform_buffer_object */
1044 case GL_UNIFORM_BUFFER_BINDING:
1045 v->value_int = ctx->UniformBuffer->Name;
1046 break;
1047 /* GL_ARB_shader_storage_buffer_object */
1048 case GL_SHADER_STORAGE_BUFFER_BINDING:
1049 v->value_int = ctx->ShaderStorageBuffer->Name;
1050 break;
1051 /* GL_ARB_query_buffer_object */
1052 case GL_QUERY_BUFFER_BINDING:
1053 v->value_int = ctx->QueryBuffer->Name;
1054 break;
1055 /* GL_ARB_timer_query */
1056 case GL_TIMESTAMP:
1057 if (ctx->Driver.GetTimestamp) {
1058 v->value_int64 = ctx->Driver.GetTimestamp(ctx);
1059 }
1060 else {
1061 _mesa_problem(ctx, "driver doesn't implement GetTimestamp");
1062 }
1063 break;
1064 /* GL_KHR_DEBUG */
1065 case GL_DEBUG_OUTPUT:
1066 case GL_DEBUG_OUTPUT_SYNCHRONOUS:
1067 case GL_DEBUG_LOGGED_MESSAGES:
1068 case GL_DEBUG_NEXT_LOGGED_MESSAGE_LENGTH:
1069 case GL_DEBUG_GROUP_STACK_DEPTH:
1070 v->value_int = _mesa_get_debug_state_int(ctx, d->pname);
1071 break;
1072 /* GL_ARB_shader_atomic_counters */
1073 case GL_ATOMIC_COUNTER_BUFFER_BINDING:
1074 if (ctx->AtomicBuffer) {
1075 v->value_int = ctx->AtomicBuffer->Name;
1076 } else {
1077 v->value_int = 0;
1078 }
1079 break;
1080 /* GL_ARB_draw_indirect */
1081 case GL_DRAW_INDIRECT_BUFFER_BINDING:
1082 v->value_int = ctx->DrawIndirectBuffer->Name;
1083 break;
1084 /* GL_ARB_indirect_parameters */
1085 case GL_PARAMETER_BUFFER_BINDING_ARB:
1086 v->value_int = ctx->ParameterBuffer->Name;
1087 break;
1088 /* GL_ARB_separate_shader_objects */
1089 case GL_PROGRAM_PIPELINE_BINDING:
1090 if (ctx->Pipeline.Current) {
1091 v->value_int = ctx->Pipeline.Current->Name;
1092 } else {
1093 v->value_int = 0;
1094 }
1095 break;
1096 /* GL_ARB_compute_shader */
1097 case GL_DISPATCH_INDIRECT_BUFFER_BINDING:
1098 v->value_int = ctx->DispatchIndirectBuffer->Name;
1099 break;
1100 /* GL_ARB_multisample */
1101 case GL_SAMPLES:
1102 v->value_int = _mesa_geometric_samples(ctx->DrawBuffer);
1103 break;
1104 case GL_SAMPLE_BUFFERS:
1105 v->value_int = _mesa_geometric_samples(ctx->DrawBuffer) > 0;
1106 break;
1107 /* GL_ATI_meminfo & GL_NVX_gpu_memory_info */
1108 case GL_VBO_FREE_MEMORY_ATI:
1109 case GL_TEXTURE_FREE_MEMORY_ATI:
1110 case GL_RENDERBUFFER_FREE_MEMORY_ATI:
1111 case GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX:
1112 case GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX:
1113 case GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX:
1114 case GL_GPU_MEMORY_INFO_EVICTION_COUNT_NVX:
1115 case GL_GPU_MEMORY_INFO_EVICTED_MEMORY_NVX:
1116 {
1117 struct gl_memory_info info;
1118
1119 ctx->Driver.QueryMemoryInfo(ctx, &info);
1120
1121 if (d->pname == GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX)
1122 v->value_int = info.total_device_memory;
1123 else if (d->pname == GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX)
1124 v->value_int = info.total_device_memory +
1125 info.total_staging_memory;
1126 else if (d->pname == GL_GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX)
1127 v->value_int = info.avail_device_memory;
1128 else if (d->pname == GL_GPU_MEMORY_INFO_EVICTION_COUNT_NVX)
1129 v->value_int = info.nr_device_memory_evictions;
1130 else if (d->pname == GL_GPU_MEMORY_INFO_EVICTED_MEMORY_NVX)
1131 v->value_int = info.device_memory_evicted;
1132 else {
1133 /* ATI free memory enums.
1134 *
1135 * Since the GPU memory is (usually) page-table based, every two
1136 * consecutive elements are equal. From the GL_ATI_meminfo
1137 * specification:
1138 *
1139 * "param[0] - total memory free in the pool
1140 * param[1] - largest available free block in the pool
1141 * param[2] - total auxiliary memory free
1142 * param[3] - largest auxiliary free block"
1143 *
1144 * All three (VBO, TEXTURE, RENDERBUFFER) queries return
1145 * the same numbers here.
1146 */
1147 v->value_int_4[0] = info.avail_device_memory;
1148 v->value_int_4[1] = info.avail_device_memory;
1149 v->value_int_4[2] = info.avail_staging_memory;
1150 v->value_int_4[3] = info.avail_staging_memory;
1151 }
1152 }
1153 break;
1154 }
1155 }
1156
1157 /**
1158 * Check extra constraints on a struct value_desc descriptor
1159 *
1160 * If a struct value_desc has a non-NULL extra pointer, it means that
1161 * there are a number of extra constraints to check or actions to
1162 * perform. The extras is just an integer array where each integer
1163 * encode different constraints or actions.
1164 *
1165 * \param ctx current context
1166 * \param func name of calling glGet*v() function for error reporting
1167 * \param d the struct value_desc that has the extra constraints
1168 *
1169 * \return GL_FALSE if all of the constraints were not satisfied,
1170 * otherwise GL_TRUE.
1171 */
1172 static GLboolean
1173 check_extra(struct gl_context *ctx, const char *func, const struct value_desc *d)
1174 {
1175 const GLuint version = ctx->Version;
1176 GLboolean api_check = GL_FALSE;
1177 GLboolean api_found = GL_FALSE;
1178 const int *e;
1179
1180 for (e = d->extra; *e != EXTRA_END; e++) {
1181 switch (*e) {
1182 case EXTRA_VERSION_30:
1183 api_check = GL_TRUE;
1184 if (version >= 30)
1185 api_found = GL_TRUE;
1186 break;
1187 case EXTRA_VERSION_31:
1188 api_check = GL_TRUE;
1189 if (version >= 31)
1190 api_found = GL_TRUE;
1191 break;
1192 case EXTRA_VERSION_32:
1193 api_check = GL_TRUE;
1194 if (version >= 32)
1195 api_found = GL_TRUE;
1196 break;
1197 case EXTRA_NEW_FRAG_CLAMP:
1198 if (ctx->NewState & (_NEW_BUFFERS | _NEW_FRAG_CLAMP))
1199 _mesa_update_state(ctx);
1200 break;
1201 case EXTRA_API_ES2:
1202 api_check = GL_TRUE;
1203 if (ctx->API == API_OPENGLES2)
1204 api_found = GL_TRUE;
1205 break;
1206 case EXTRA_API_ES3:
1207 api_check = GL_TRUE;
1208 if (_mesa_is_gles3(ctx))
1209 api_found = GL_TRUE;
1210 break;
1211 case EXTRA_API_ES31:
1212 api_check = GL_TRUE;
1213 if (_mesa_is_gles31(ctx))
1214 api_found = GL_TRUE;
1215 break;
1216 case EXTRA_API_GL:
1217 api_check = GL_TRUE;
1218 if (_mesa_is_desktop_gl(ctx))
1219 api_found = GL_TRUE;
1220 break;
1221 case EXTRA_API_GL_CORE:
1222 api_check = GL_TRUE;
1223 if (ctx->API == API_OPENGL_CORE)
1224 api_found = GL_TRUE;
1225 break;
1226 case EXTRA_NEW_BUFFERS:
1227 if (ctx->NewState & _NEW_BUFFERS)
1228 _mesa_update_state(ctx);
1229 break;
1230 case EXTRA_FLUSH_CURRENT:
1231 FLUSH_CURRENT(ctx, 0);
1232 break;
1233 case EXTRA_VALID_DRAW_BUFFER:
1234 if (d->pname - GL_DRAW_BUFFER0_ARB >= ctx->Const.MaxDrawBuffers) {
1235 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(draw buffer %u)",
1236 func, d->pname - GL_DRAW_BUFFER0_ARB);
1237 return GL_FALSE;
1238 }
1239 break;
1240 case EXTRA_VALID_TEXTURE_UNIT:
1241 if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) {
1242 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(texture %u)",
1243 func, ctx->Texture.CurrentUnit);
1244 return GL_FALSE;
1245 }
1246 break;
1247 case EXTRA_VALID_CLIP_DISTANCE:
1248 if (d->pname - GL_CLIP_DISTANCE0 >= ctx->Const.MaxClipPlanes) {
1249 _mesa_error(ctx, GL_INVALID_ENUM, "%s(clip distance %u)",
1250 func, d->pname - GL_CLIP_DISTANCE0);
1251 return GL_FALSE;
1252 }
1253 break;
1254 case EXTRA_GLSL_130:
1255 api_check = GL_TRUE;
1256 if (ctx->Const.GLSLVersion >= 130)
1257 api_found = GL_TRUE;
1258 break;
1259 case EXTRA_EXT_UBO_GS:
1260 api_check = GL_TRUE;
1261 if (ctx->Extensions.ARB_uniform_buffer_object &&
1262 _mesa_has_geometry_shaders(ctx))
1263 api_found = GL_TRUE;
1264 break;
1265 case EXTRA_EXT_ATOMICS_GS:
1266 api_check = GL_TRUE;
1267 if (ctx->Extensions.ARB_shader_atomic_counters &&
1268 _mesa_has_geometry_shaders(ctx))
1269 api_found = GL_TRUE;
1270 break;
1271 case EXTRA_EXT_SHADER_IMAGE_GS:
1272 api_check = GL_TRUE;
1273 if (ctx->Extensions.ARB_shader_image_load_store &&
1274 _mesa_has_geometry_shaders(ctx))
1275 api_found = GL_TRUE;
1276 break;
1277 case EXTRA_EXT_ATOMICS_TESS:
1278 api_check = GL_TRUE;
1279 api_found = ctx->Extensions.ARB_shader_atomic_counters &&
1280 _mesa_has_tessellation(ctx);
1281 break;
1282 case EXTRA_EXT_SHADER_IMAGE_TESS:
1283 api_check = GL_TRUE;
1284 api_found = ctx->Extensions.ARB_shader_image_load_store &&
1285 _mesa_has_tessellation(ctx);
1286 break;
1287 case EXTRA_EXT_SSBO_GS:
1288 api_check = GL_TRUE;
1289 if (ctx->Extensions.ARB_shader_storage_buffer_object &&
1290 _mesa_has_geometry_shaders(ctx))
1291 api_found = GL_TRUE;
1292 break;
1293 case EXTRA_EXT_FB_NO_ATTACH_GS:
1294 api_check = GL_TRUE;
1295 if (ctx->Extensions.ARB_framebuffer_no_attachments &&
1296 (_mesa_is_desktop_gl(ctx) ||
1297 _mesa_has_OES_geometry_shader(ctx)))
1298 api_found = GL_TRUE;
1299 break;
1300 case EXTRA_EXT_ES_GS:
1301 api_check = GL_TRUE;
1302 if (_mesa_has_OES_geometry_shader(ctx))
1303 api_found = GL_TRUE;
1304 break;
1305 case EXTRA_END:
1306 break;
1307 default: /* *e is a offset into the extension struct */
1308 api_check = GL_TRUE;
1309 if (*(GLboolean *) ((char *) &ctx->Extensions + *e))
1310 api_found = GL_TRUE;
1311 break;
1312 }
1313 }
1314
1315 if (api_check && !api_found) {
1316 _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=%s)", func,
1317 _mesa_enum_to_string(d->pname));
1318 return GL_FALSE;
1319 }
1320
1321 return GL_TRUE;
1322 }
1323
1324 static const struct value_desc error_value =
1325 { 0, 0, TYPE_INVALID, NO_OFFSET, NO_EXTRA };
1326
1327 /**
1328 * Find the struct value_desc corresponding to the enum 'pname'.
1329 *
1330 * We hash the enum value to get an index into the 'table' array,
1331 * which holds the index in the 'values' array of struct value_desc.
1332 * Once we've found the entry, we do the extra checks, if any, then
1333 * look up the value and return a pointer to it.
1334 *
1335 * If the value has to be computed (for example, it's the result of a
1336 * function call or we need to add 1 to it), we use the tmp 'v' to
1337 * store the result.
1338 *
1339 * \param func name of glGet*v() func for error reporting
1340 * \param pname the enum value we're looking up
1341 * \param p is were we return the pointer to the value
1342 * \param v a tmp union value variable in the calling glGet*v() function
1343 *
1344 * \return the struct value_desc corresponding to the enum or a struct
1345 * value_desc of TYPE_INVALID if not found. This lets the calling
1346 * glGet*v() function jump right into a switch statement and
1347 * handle errors there instead of having to check for NULL.
1348 */
1349 static const struct value_desc *
1350 find_value(const char *func, GLenum pname, void **p, union value *v)
1351 {
1352 GET_CURRENT_CONTEXT(ctx);
1353 struct gl_texture_unit *unit;
1354 int mask, hash;
1355 const struct value_desc *d;
1356 int api;
1357
1358 api = ctx->API;
1359 /* We index into the table_set[] list of per-API hash tables using the API's
1360 * value in the gl_api enum. Since GLES 3 doesn't have an API_OPENGL* enum
1361 * value since it's compatible with GLES2 its entry in table_set[] is at the
1362 * end.
1363 */
1364 STATIC_ASSERT(ARRAY_SIZE(table_set) == API_OPENGL_LAST + 3);
1365 if (_mesa_is_gles3(ctx)) {
1366 api = API_OPENGL_LAST + 1;
1367 }
1368 if (_mesa_is_gles31(ctx)) {
1369 api = API_OPENGL_LAST + 2;
1370 }
1371 mask = ARRAY_SIZE(table(api)) - 1;
1372 hash = (pname * prime_factor);
1373 while (1) {
1374 int idx = table(api)[hash & mask];
1375
1376 /* If the enum isn't valid, the hash walk ends with index 0,
1377 * pointing to the first entry of values[] which doesn't hold
1378 * any valid enum. */
1379 if (unlikely(idx == 0)) {
1380 _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=%s)", func,
1381 _mesa_enum_to_string(pname));
1382 return &error_value;
1383 }
1384
1385 d = &values[idx];
1386 if (likely(d->pname == pname))
1387 break;
1388
1389 hash += prime_step;
1390 }
1391
1392 if (unlikely(d->extra && !check_extra(ctx, func, d)))
1393 return &error_value;
1394
1395 switch (d->location) {
1396 case LOC_BUFFER:
1397 *p = ((char *) ctx->DrawBuffer + d->offset);
1398 return d;
1399 case LOC_CONTEXT:
1400 *p = ((char *) ctx + d->offset);
1401 return d;
1402 case LOC_ARRAY:
1403 *p = ((char *) ctx->Array.VAO + d->offset);
1404 return d;
1405 case LOC_TEXUNIT:
1406 unit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
1407 *p = ((char *) unit + d->offset);
1408 return d;
1409 case LOC_CUSTOM:
1410 find_custom_value(ctx, d, v);
1411 *p = v;
1412 return d;
1413 default:
1414 assert(0);
1415 break;
1416 }
1417
1418 /* silence warning */
1419 return &error_value;
1420 }
1421
1422 static const int transpose[] = {
1423 0, 4, 8, 12,
1424 1, 5, 9, 13,
1425 2, 6, 10, 14,
1426 3, 7, 11, 15
1427 };
1428
1429 void GLAPIENTRY
1430 _mesa_GetBooleanv(GLenum pname, GLboolean *params)
1431 {
1432 const struct value_desc *d;
1433 union value v;
1434 GLmatrix *m;
1435 int shift, i;
1436 void *p;
1437
1438 d = find_value("glGetBooleanv", pname, &p, &v);
1439 switch (d->type) {
1440 case TYPE_INVALID:
1441 break;
1442 case TYPE_CONST:
1443 params[0] = INT_TO_BOOLEAN(d->offset);
1444 break;
1445
1446 case TYPE_FLOAT_4:
1447 case TYPE_FLOATN_4:
1448 params[3] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[3]);
1449 case TYPE_FLOAT_3:
1450 case TYPE_FLOATN_3:
1451 params[2] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[2]);
1452 case TYPE_FLOAT_2:
1453 case TYPE_FLOATN_2:
1454 params[1] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[1]);
1455 case TYPE_FLOAT:
1456 case TYPE_FLOATN:
1457 params[0] = FLOAT_TO_BOOLEAN(((GLfloat *) p)[0]);
1458 break;
1459
1460 case TYPE_DOUBLEN_2:
1461 params[1] = FLOAT_TO_BOOLEAN(((GLdouble *) p)[1]);
1462 case TYPE_DOUBLEN:
1463 params[0] = FLOAT_TO_BOOLEAN(((GLdouble *) p)[0]);
1464 break;
1465
1466 case TYPE_INT_4:
1467 params[3] = INT_TO_BOOLEAN(((GLint *) p)[3]);
1468 case TYPE_INT_3:
1469 params[2] = INT_TO_BOOLEAN(((GLint *) p)[2]);
1470 case TYPE_INT_2:
1471 case TYPE_ENUM_2:
1472 params[1] = INT_TO_BOOLEAN(((GLint *) p)[1]);
1473 case TYPE_INT:
1474 case TYPE_ENUM:
1475 params[0] = INT_TO_BOOLEAN(((GLint *) p)[0]);
1476 break;
1477
1478 case TYPE_INT_N:
1479 for (i = 0; i < v.value_int_n.n; i++)
1480 params[i] = INT_TO_BOOLEAN(v.value_int_n.ints[i]);
1481 break;
1482
1483 case TYPE_INT64:
1484 params[0] = INT64_TO_BOOLEAN(((GLint64 *) p)[0]);
1485 break;
1486
1487 case TYPE_BOOLEAN:
1488 params[0] = ((GLboolean*) p)[0];
1489 break;
1490
1491 case TYPE_MATRIX:
1492 m = *(GLmatrix **) p;
1493 for (i = 0; i < 16; i++)
1494 params[i] = FLOAT_TO_BOOLEAN(m->m[i]);
1495 break;
1496
1497 case TYPE_MATRIX_T:
1498 m = *(GLmatrix **) p;
1499 for (i = 0; i < 16; i++)
1500 params[i] = FLOAT_TO_BOOLEAN(m->m[transpose[i]]);
1501 break;
1502
1503 case TYPE_BIT_0:
1504 case TYPE_BIT_1:
1505 case TYPE_BIT_2:
1506 case TYPE_BIT_3:
1507 case TYPE_BIT_4:
1508 case TYPE_BIT_5:
1509 case TYPE_BIT_6:
1510 case TYPE_BIT_7:
1511 shift = d->type - TYPE_BIT_0;
1512 params[0] = (*(GLbitfield *) p >> shift) & 1;
1513 break;
1514 }
1515 }
1516
1517 void GLAPIENTRY
1518 _mesa_GetFloatv(GLenum pname, GLfloat *params)
1519 {
1520 const struct value_desc *d;
1521 union value v;
1522 GLmatrix *m;
1523 int shift, i;
1524 void *p;
1525
1526 d = find_value("glGetFloatv", pname, &p, &v);
1527 switch (d->type) {
1528 case TYPE_INVALID:
1529 break;
1530 case TYPE_CONST:
1531 params[0] = (GLfloat) d->offset;
1532 break;
1533
1534 case TYPE_FLOAT_4:
1535 case TYPE_FLOATN_4:
1536 params[3] = ((GLfloat *) p)[3];
1537 case TYPE_FLOAT_3:
1538 case TYPE_FLOATN_3:
1539 params[2] = ((GLfloat *) p)[2];
1540 case TYPE_FLOAT_2:
1541 case TYPE_FLOATN_2:
1542 params[1] = ((GLfloat *) p)[1];
1543 case TYPE_FLOAT:
1544 case TYPE_FLOATN:
1545 params[0] = ((GLfloat *) p)[0];
1546 break;
1547
1548 case TYPE_DOUBLEN_2:
1549 params[1] = (GLfloat) (((GLdouble *) p)[1]);
1550 case TYPE_DOUBLEN:
1551 params[0] = (GLfloat) (((GLdouble *) p)[0]);
1552 break;
1553
1554 case TYPE_INT_4:
1555 params[3] = (GLfloat) (((GLint *) p)[3]);
1556 case TYPE_INT_3:
1557 params[2] = (GLfloat) (((GLint *) p)[2]);
1558 case TYPE_INT_2:
1559 case TYPE_ENUM_2:
1560 params[1] = (GLfloat) (((GLint *) p)[1]);
1561 case TYPE_INT:
1562 case TYPE_ENUM:
1563 params[0] = (GLfloat) (((GLint *) p)[0]);
1564 break;
1565
1566 case TYPE_INT_N:
1567 for (i = 0; i < v.value_int_n.n; i++)
1568 params[i] = INT_TO_FLOAT(v.value_int_n.ints[i]);
1569 break;
1570
1571 case TYPE_INT64:
1572 params[0] = (GLfloat) (((GLint64 *) p)[0]);
1573 break;
1574
1575 case TYPE_BOOLEAN:
1576 params[0] = BOOLEAN_TO_FLOAT(*(GLboolean*) p);
1577 break;
1578
1579 case TYPE_MATRIX:
1580 m = *(GLmatrix **) p;
1581 for (i = 0; i < 16; i++)
1582 params[i] = m->m[i];
1583 break;
1584
1585 case TYPE_MATRIX_T:
1586 m = *(GLmatrix **) p;
1587 for (i = 0; i < 16; i++)
1588 params[i] = m->m[transpose[i]];
1589 break;
1590
1591 case TYPE_BIT_0:
1592 case TYPE_BIT_1:
1593 case TYPE_BIT_2:
1594 case TYPE_BIT_3:
1595 case TYPE_BIT_4:
1596 case TYPE_BIT_5:
1597 case TYPE_BIT_6:
1598 case TYPE_BIT_7:
1599 shift = d->type - TYPE_BIT_0;
1600 params[0] = BOOLEAN_TO_FLOAT((*(GLbitfield *) p >> shift) & 1);
1601 break;
1602 }
1603 }
1604
1605 void GLAPIENTRY
1606 _mesa_GetIntegerv(GLenum pname, GLint *params)
1607 {
1608 const struct value_desc *d;
1609 union value v;
1610 GLmatrix *m;
1611 int shift, i;
1612 void *p;
1613
1614 d = find_value("glGetIntegerv", pname, &p, &v);
1615 switch (d->type) {
1616 case TYPE_INVALID:
1617 break;
1618 case TYPE_CONST:
1619 params[0] = d->offset;
1620 break;
1621
1622 case TYPE_FLOAT_4:
1623 params[3] = IROUND(((GLfloat *) p)[3]);
1624 case TYPE_FLOAT_3:
1625 params[2] = IROUND(((GLfloat *) p)[2]);
1626 case TYPE_FLOAT_2:
1627 params[1] = IROUND(((GLfloat *) p)[1]);
1628 case TYPE_FLOAT:
1629 params[0] = IROUND(((GLfloat *) p)[0]);
1630 break;
1631
1632 case TYPE_FLOATN_4:
1633 params[3] = FLOAT_TO_INT(((GLfloat *) p)[3]);
1634 case TYPE_FLOATN_3:
1635 params[2] = FLOAT_TO_INT(((GLfloat *) p)[2]);
1636 case TYPE_FLOATN_2:
1637 params[1] = FLOAT_TO_INT(((GLfloat *) p)[1]);
1638 case TYPE_FLOATN:
1639 params[0] = FLOAT_TO_INT(((GLfloat *) p)[0]);
1640 break;
1641
1642 case TYPE_DOUBLEN_2:
1643 params[1] = FLOAT_TO_INT(((GLdouble *) p)[1]);
1644 case TYPE_DOUBLEN:
1645 params[0] = FLOAT_TO_INT(((GLdouble *) p)[0]);
1646 break;
1647
1648 case TYPE_INT_4:
1649 params[3] = ((GLint *) p)[3];
1650 case TYPE_INT_3:
1651 params[2] = ((GLint *) p)[2];
1652 case TYPE_INT_2:
1653 case TYPE_ENUM_2:
1654 params[1] = ((GLint *) p)[1];
1655 case TYPE_INT:
1656 case TYPE_ENUM:
1657 params[0] = ((GLint *) p)[0];
1658 break;
1659
1660 case TYPE_INT_N:
1661 for (i = 0; i < v.value_int_n.n; i++)
1662 params[i] = v.value_int_n.ints[i];
1663 break;
1664
1665 case TYPE_INT64:
1666 params[0] = INT64_TO_INT(((GLint64 *) p)[0]);
1667 break;
1668
1669 case TYPE_BOOLEAN:
1670 params[0] = BOOLEAN_TO_INT(*(GLboolean*) p);
1671 break;
1672
1673 case TYPE_MATRIX:
1674 m = *(GLmatrix **) p;
1675 for (i = 0; i < 16; i++)
1676 params[i] = FLOAT_TO_INT(m->m[i]);
1677 break;
1678
1679 case TYPE_MATRIX_T:
1680 m = *(GLmatrix **) p;
1681 for (i = 0; i < 16; i++)
1682 params[i] = FLOAT_TO_INT(m->m[transpose[i]]);
1683 break;
1684
1685 case TYPE_BIT_0:
1686 case TYPE_BIT_1:
1687 case TYPE_BIT_2:
1688 case TYPE_BIT_3:
1689 case TYPE_BIT_4:
1690 case TYPE_BIT_5:
1691 case TYPE_BIT_6:
1692 case TYPE_BIT_7:
1693 shift = d->type - TYPE_BIT_0;
1694 params[0] = (*(GLbitfield *) p >> shift) & 1;
1695 break;
1696 }
1697 }
1698
1699 void GLAPIENTRY
1700 _mesa_GetInteger64v(GLenum pname, GLint64 *params)
1701 {
1702 const struct value_desc *d;
1703 union value v;
1704 GLmatrix *m;
1705 int shift, i;
1706 void *p;
1707
1708 d = find_value("glGetInteger64v", pname, &p, &v);
1709 switch (d->type) {
1710 case TYPE_INVALID:
1711 break;
1712 case TYPE_CONST:
1713 params[0] = d->offset;
1714 break;
1715
1716 case TYPE_FLOAT_4:
1717 params[3] = IROUND64(((GLfloat *) p)[3]);
1718 case TYPE_FLOAT_3:
1719 params[2] = IROUND64(((GLfloat *) p)[2]);
1720 case TYPE_FLOAT_2:
1721 params[1] = IROUND64(((GLfloat *) p)[1]);
1722 case TYPE_FLOAT:
1723 params[0] = IROUND64(((GLfloat *) p)[0]);
1724 break;
1725
1726 case TYPE_FLOATN_4:
1727 params[3] = FLOAT_TO_INT(((GLfloat *) p)[3]);
1728 case TYPE_FLOATN_3:
1729 params[2] = FLOAT_TO_INT(((GLfloat *) p)[2]);
1730 case TYPE_FLOATN_2:
1731 params[1] = FLOAT_TO_INT(((GLfloat *) p)[1]);
1732 case TYPE_FLOATN:
1733 params[0] = FLOAT_TO_INT(((GLfloat *) p)[0]);
1734 break;
1735
1736 case TYPE_DOUBLEN_2:
1737 params[1] = FLOAT_TO_INT(((GLdouble *) p)[1]);
1738 case TYPE_DOUBLEN:
1739 params[0] = FLOAT_TO_INT(((GLdouble *) p)[0]);
1740 break;
1741
1742 case TYPE_INT_4:
1743 params[3] = ((GLint *) p)[3];
1744 case TYPE_INT_3:
1745 params[2] = ((GLint *) p)[2];
1746 case TYPE_INT_2:
1747 case TYPE_ENUM_2:
1748 params[1] = ((GLint *) p)[1];
1749 case TYPE_INT:
1750 case TYPE_ENUM:
1751 params[0] = ((GLint *) p)[0];
1752 break;
1753
1754 case TYPE_INT_N:
1755 for (i = 0; i < v.value_int_n.n; i++)
1756 params[i] = INT_TO_BOOLEAN(v.value_int_n.ints[i]);
1757 break;
1758
1759 case TYPE_INT64:
1760 params[0] = ((GLint64 *) p)[0];
1761 break;
1762
1763 case TYPE_BOOLEAN:
1764 params[0] = ((GLboolean*) p)[0];
1765 break;
1766
1767 case TYPE_MATRIX:
1768 m = *(GLmatrix **) p;
1769 for (i = 0; i < 16; i++)
1770 params[i] = FLOAT_TO_INT64(m->m[i]);
1771 break;
1772
1773 case TYPE_MATRIX_T:
1774 m = *(GLmatrix **) p;
1775 for (i = 0; i < 16; i++)
1776 params[i] = FLOAT_TO_INT64(m->m[transpose[i]]);
1777 break;
1778
1779 case TYPE_BIT_0:
1780 case TYPE_BIT_1:
1781 case TYPE_BIT_2:
1782 case TYPE_BIT_3:
1783 case TYPE_BIT_4:
1784 case TYPE_BIT_5:
1785 case TYPE_BIT_6:
1786 case TYPE_BIT_7:
1787 shift = d->type - TYPE_BIT_0;
1788 params[0] = (*(GLbitfield *) p >> shift) & 1;
1789 break;
1790 }
1791 }
1792
1793 void GLAPIENTRY
1794 _mesa_GetDoublev(GLenum pname, GLdouble *params)
1795 {
1796 const struct value_desc *d;
1797 union value v;
1798 GLmatrix *m;
1799 int shift, i;
1800 void *p;
1801
1802 d = find_value("glGetDoublev", pname, &p, &v);
1803 switch (d->type) {
1804 case TYPE_INVALID:
1805 break;
1806 case TYPE_CONST:
1807 params[0] = d->offset;
1808 break;
1809
1810 case TYPE_FLOAT_4:
1811 case TYPE_FLOATN_4:
1812 params[3] = ((GLfloat *) p)[3];
1813 case TYPE_FLOAT_3:
1814 case TYPE_FLOATN_3:
1815 params[2] = ((GLfloat *) p)[2];
1816 case TYPE_FLOAT_2:
1817 case TYPE_FLOATN_2:
1818 params[1] = ((GLfloat *) p)[1];
1819 case TYPE_FLOAT:
1820 case TYPE_FLOATN:
1821 params[0] = ((GLfloat *) p)[0];
1822 break;
1823
1824 case TYPE_DOUBLEN_2:
1825 params[1] = ((GLdouble *) p)[1];
1826 case TYPE_DOUBLEN:
1827 params[0] = ((GLdouble *) p)[0];
1828 break;
1829
1830 case TYPE_INT_4:
1831 params[3] = ((GLint *) p)[3];
1832 case TYPE_INT_3:
1833 params[2] = ((GLint *) p)[2];
1834 case TYPE_INT_2:
1835 case TYPE_ENUM_2:
1836 params[1] = ((GLint *) p)[1];
1837 case TYPE_INT:
1838 case TYPE_ENUM:
1839 params[0] = ((GLint *) p)[0];
1840 break;
1841
1842 case TYPE_INT_N:
1843 for (i = 0; i < v.value_int_n.n; i++)
1844 params[i] = v.value_int_n.ints[i];
1845 break;
1846
1847 case TYPE_INT64:
1848 params[0] = (GLdouble) (((GLint64 *) p)[0]);
1849 break;
1850
1851 case TYPE_BOOLEAN:
1852 params[0] = *(GLboolean*) p;
1853 break;
1854
1855 case TYPE_MATRIX:
1856 m = *(GLmatrix **) p;
1857 for (i = 0; i < 16; i++)
1858 params[i] = m->m[i];
1859 break;
1860
1861 case TYPE_MATRIX_T:
1862 m = *(GLmatrix **) p;
1863 for (i = 0; i < 16; i++)
1864 params[i] = m->m[transpose[i]];
1865 break;
1866
1867 case TYPE_BIT_0:
1868 case TYPE_BIT_1:
1869 case TYPE_BIT_2:
1870 case TYPE_BIT_3:
1871 case TYPE_BIT_4:
1872 case TYPE_BIT_5:
1873 case TYPE_BIT_6:
1874 case TYPE_BIT_7:
1875 shift = d->type - TYPE_BIT_0;
1876 params[0] = (*(GLbitfield *) p >> shift) & 1;
1877 break;
1878 }
1879 }
1880
1881 /**
1882 * Convert a GL texture binding enum such as GL_TEXTURE_BINDING_2D
1883 * into the corresponding Mesa texture target index.
1884 * \return TEXTURE_x_INDEX or -1 if binding is invalid
1885 */
1886 static int
1887 tex_binding_to_index(const struct gl_context *ctx, GLenum binding)
1888 {
1889 switch (binding) {
1890 case GL_TEXTURE_BINDING_1D:
1891 return _mesa_is_desktop_gl(ctx) ? TEXTURE_1D_INDEX : -1;
1892 case GL_TEXTURE_BINDING_2D:
1893 return TEXTURE_2D_INDEX;
1894 case GL_TEXTURE_BINDING_3D:
1895 return ctx->API != API_OPENGLES ? TEXTURE_3D_INDEX : -1;
1896 case GL_TEXTURE_BINDING_CUBE_MAP:
1897 return ctx->Extensions.ARB_texture_cube_map
1898 ? TEXTURE_CUBE_INDEX : -1;
1899 case GL_TEXTURE_BINDING_RECTANGLE:
1900 return _mesa_is_desktop_gl(ctx) && ctx->Extensions.NV_texture_rectangle
1901 ? TEXTURE_RECT_INDEX : -1;
1902 case GL_TEXTURE_BINDING_1D_ARRAY:
1903 return _mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array
1904 ? TEXTURE_1D_ARRAY_INDEX : -1;
1905 case GL_TEXTURE_BINDING_2D_ARRAY:
1906 return (_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array)
1907 || _mesa_is_gles3(ctx)
1908 ? TEXTURE_2D_ARRAY_INDEX : -1;
1909 case GL_TEXTURE_BINDING_BUFFER:
1910 return ctx->API == API_OPENGL_CORE &&
1911 ctx->Extensions.ARB_texture_buffer_object ?
1912 TEXTURE_BUFFER_INDEX : -1;
1913 case GL_TEXTURE_BINDING_CUBE_MAP_ARRAY:
1914 return _mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_cube_map_array
1915 ? TEXTURE_CUBE_ARRAY_INDEX : -1;
1916 case GL_TEXTURE_BINDING_2D_MULTISAMPLE:
1917 return _mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_multisample
1918 ? TEXTURE_2D_MULTISAMPLE_INDEX : -1;
1919 case GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY:
1920 return _mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_multisample
1921 ? TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX : -1;
1922 default:
1923 return -1;
1924 }
1925 }
1926
1927 static enum value_type
1928 find_value_indexed(const char *func, GLenum pname, GLuint index, union value *v)
1929 {
1930 GET_CURRENT_CONTEXT(ctx);
1931
1932 switch (pname) {
1933
1934 case GL_BLEND:
1935 if (index >= ctx->Const.MaxDrawBuffers)
1936 goto invalid_value;
1937 if (!ctx->Extensions.EXT_draw_buffers2)
1938 goto invalid_enum;
1939 v->value_int = (ctx->Color.BlendEnabled >> index) & 1;
1940 return TYPE_INT;
1941
1942 case GL_BLEND_SRC:
1943 /* fall-through */
1944 case GL_BLEND_SRC_RGB:
1945 if (index >= ctx->Const.MaxDrawBuffers)
1946 goto invalid_value;
1947 if (!ctx->Extensions.ARB_draw_buffers_blend)
1948 goto invalid_enum;
1949 v->value_int = ctx->Color.Blend[index].SrcRGB;
1950 return TYPE_INT;
1951 case GL_BLEND_SRC_ALPHA:
1952 if (index >= ctx->Const.MaxDrawBuffers)
1953 goto invalid_value;
1954 if (!ctx->Extensions.ARB_draw_buffers_blend)
1955 goto invalid_enum;
1956 v->value_int = ctx->Color.Blend[index].SrcA;
1957 return TYPE_INT;
1958 case GL_BLEND_DST:
1959 /* fall-through */
1960 case GL_BLEND_DST_RGB:
1961 if (index >= ctx->Const.MaxDrawBuffers)
1962 goto invalid_value;
1963 if (!ctx->Extensions.ARB_draw_buffers_blend)
1964 goto invalid_enum;
1965 v->value_int = ctx->Color.Blend[index].DstRGB;
1966 return TYPE_INT;
1967 case GL_BLEND_DST_ALPHA:
1968 if (index >= ctx->Const.MaxDrawBuffers)
1969 goto invalid_value;
1970 if (!ctx->Extensions.ARB_draw_buffers_blend)
1971 goto invalid_enum;
1972 v->value_int = ctx->Color.Blend[index].DstA;
1973 return TYPE_INT;
1974 case GL_BLEND_EQUATION_RGB:
1975 if (index >= ctx->Const.MaxDrawBuffers)
1976 goto invalid_value;
1977 if (!ctx->Extensions.ARB_draw_buffers_blend)
1978 goto invalid_enum;
1979 v->value_int = ctx->Color.Blend[index].EquationRGB;
1980 return TYPE_INT;
1981 case GL_BLEND_EQUATION_ALPHA:
1982 if (index >= ctx->Const.MaxDrawBuffers)
1983 goto invalid_value;
1984 if (!ctx->Extensions.ARB_draw_buffers_blend)
1985 goto invalid_enum;
1986 v->value_int = ctx->Color.Blend[index].EquationA;
1987 return TYPE_INT;
1988
1989 case GL_COLOR_WRITEMASK:
1990 if (index >= ctx->Const.MaxDrawBuffers)
1991 goto invalid_value;
1992 if (!ctx->Extensions.EXT_draw_buffers2)
1993 goto invalid_enum;
1994 v->value_int_4[0] = ctx->Color.ColorMask[index][RCOMP] ? 1 : 0;
1995 v->value_int_4[1] = ctx->Color.ColorMask[index][GCOMP] ? 1 : 0;
1996 v->value_int_4[2] = ctx->Color.ColorMask[index][BCOMP] ? 1 : 0;
1997 v->value_int_4[3] = ctx->Color.ColorMask[index][ACOMP] ? 1 : 0;
1998 return TYPE_INT_4;
1999
2000 case GL_SCISSOR_BOX:
2001 if (index >= ctx->Const.MaxViewports)
2002 goto invalid_value;
2003 v->value_int_4[0] = ctx->Scissor.ScissorArray[index].X;
2004 v->value_int_4[1] = ctx->Scissor.ScissorArray[index].Y;
2005 v->value_int_4[2] = ctx->Scissor.ScissorArray[index].Width;
2006 v->value_int_4[3] = ctx->Scissor.ScissorArray[index].Height;
2007 return TYPE_INT_4;
2008
2009 case GL_VIEWPORT:
2010 if (index >= ctx->Const.MaxViewports)
2011 goto invalid_value;
2012 v->value_float_4[0] = ctx->ViewportArray[index].X;
2013 v->value_float_4[1] = ctx->ViewportArray[index].Y;
2014 v->value_float_4[2] = ctx->ViewportArray[index].Width;
2015 v->value_float_4[3] = ctx->ViewportArray[index].Height;
2016 return TYPE_FLOAT_4;
2017
2018 case GL_DEPTH_RANGE:
2019 if (index >= ctx->Const.MaxViewports)
2020 goto invalid_value;
2021 v->value_double_2[0] = ctx->ViewportArray[index].Near;
2022 v->value_double_2[1] = ctx->ViewportArray[index].Far;
2023 return TYPE_DOUBLEN_2;
2024
2025 case GL_TRANSFORM_FEEDBACK_BUFFER_START:
2026 if (index >= ctx->Const.MaxTransformFeedbackBuffers)
2027 goto invalid_value;
2028 if (!ctx->Extensions.EXT_transform_feedback)
2029 goto invalid_enum;
2030 v->value_int64 = ctx->TransformFeedback.CurrentObject->Offset[index];
2031 return TYPE_INT64;
2032
2033 case GL_TRANSFORM_FEEDBACK_BUFFER_SIZE:
2034 if (index >= ctx->Const.MaxTransformFeedbackBuffers)
2035 goto invalid_value;
2036 if (!ctx->Extensions.EXT_transform_feedback)
2037 goto invalid_enum;
2038 v->value_int64
2039 = ctx->TransformFeedback.CurrentObject->RequestedSize[index];
2040 return TYPE_INT64;
2041
2042 case GL_TRANSFORM_FEEDBACK_BUFFER_BINDING:
2043 if (index >= ctx->Const.MaxTransformFeedbackBuffers)
2044 goto invalid_value;
2045 if (!ctx->Extensions.EXT_transform_feedback)
2046 goto invalid_enum;
2047 v->value_int = ctx->TransformFeedback.CurrentObject->BufferNames[index];
2048 return TYPE_INT;
2049
2050 case GL_UNIFORM_BUFFER_BINDING:
2051 if (index >= ctx->Const.MaxUniformBufferBindings)
2052 goto invalid_value;
2053 if (!ctx->Extensions.ARB_uniform_buffer_object)
2054 goto invalid_enum;
2055 v->value_int = ctx->UniformBufferBindings[index].BufferObject->Name;
2056 return TYPE_INT;
2057
2058 case GL_UNIFORM_BUFFER_START:
2059 if (index >= ctx->Const.MaxUniformBufferBindings)
2060 goto invalid_value;
2061 if (!ctx->Extensions.ARB_uniform_buffer_object)
2062 goto invalid_enum;
2063 v->value_int = ctx->UniformBufferBindings[index].Offset < 0 ? 0 :
2064 ctx->UniformBufferBindings[index].Offset;
2065 return TYPE_INT;
2066
2067 case GL_UNIFORM_BUFFER_SIZE:
2068 if (index >= ctx->Const.MaxUniformBufferBindings)
2069 goto invalid_value;
2070 if (!ctx->Extensions.ARB_uniform_buffer_object)
2071 goto invalid_enum;
2072 v->value_int = ctx->UniformBufferBindings[index].Size < 0 ? 0 :
2073 ctx->UniformBufferBindings[index].Size;
2074 return TYPE_INT;
2075
2076 /* ARB_shader_storage_buffer_object */
2077 case GL_SHADER_STORAGE_BUFFER_BINDING:
2078 if (!ctx->Extensions.ARB_shader_storage_buffer_object)
2079 goto invalid_enum;
2080 if (index >= ctx->Const.MaxShaderStorageBufferBindings)
2081 goto invalid_value;
2082 v->value_int = ctx->ShaderStorageBufferBindings[index].BufferObject->Name;
2083 return TYPE_INT;
2084
2085 case GL_SHADER_STORAGE_BUFFER_START:
2086 if (!ctx->Extensions.ARB_shader_storage_buffer_object)
2087 goto invalid_enum;
2088 if (index >= ctx->Const.MaxShaderStorageBufferBindings)
2089 goto invalid_value;
2090 v->value_int = ctx->ShaderStorageBufferBindings[index].Offset < 0 ? 0 :
2091 ctx->ShaderStorageBufferBindings[index].Offset;
2092 return TYPE_INT;
2093
2094 case GL_SHADER_STORAGE_BUFFER_SIZE:
2095 if (!ctx->Extensions.ARB_shader_storage_buffer_object)
2096 goto invalid_enum;
2097 if (index >= ctx->Const.MaxShaderStorageBufferBindings)
2098 goto invalid_value;
2099 v->value_int = ctx->ShaderStorageBufferBindings[index].Size < 0 ? 0 :
2100 ctx->ShaderStorageBufferBindings[index].Size;
2101 return TYPE_INT;
2102
2103 /* ARB_texture_multisample / GL3.2 */
2104 case GL_SAMPLE_MASK_VALUE:
2105 if (index != 0)
2106 goto invalid_value;
2107 if (!ctx->Extensions.ARB_texture_multisample)
2108 goto invalid_enum;
2109 v->value_int = ctx->Multisample.SampleMaskValue;
2110 return TYPE_INT;
2111
2112 case GL_ATOMIC_COUNTER_BUFFER_BINDING:
2113 if (!ctx->Extensions.ARB_shader_atomic_counters)
2114 goto invalid_enum;
2115 if (index >= ctx->Const.MaxAtomicBufferBindings)
2116 goto invalid_value;
2117 v->value_int = ctx->AtomicBufferBindings[index].BufferObject->Name;
2118 return TYPE_INT;
2119
2120 case GL_ATOMIC_COUNTER_BUFFER_START:
2121 if (!ctx->Extensions.ARB_shader_atomic_counters)
2122 goto invalid_enum;
2123 if (index >= ctx->Const.MaxAtomicBufferBindings)
2124 goto invalid_value;
2125 v->value_int64 = ctx->AtomicBufferBindings[index].Offset;
2126 return TYPE_INT64;
2127
2128 case GL_ATOMIC_COUNTER_BUFFER_SIZE:
2129 if (!ctx->Extensions.ARB_shader_atomic_counters)
2130 goto invalid_enum;
2131 if (index >= ctx->Const.MaxAtomicBufferBindings)
2132 goto invalid_value;
2133 v->value_int64 = ctx->AtomicBufferBindings[index].Size;
2134 return TYPE_INT64;
2135
2136 case GL_VERTEX_BINDING_DIVISOR:
2137 if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_instanced_arrays) &&
2138 !_mesa_is_gles31(ctx))
2139 goto invalid_enum;
2140 if (index >= ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs)
2141 goto invalid_value;
2142 v->value_int = ctx->Array.VAO->VertexBinding[VERT_ATTRIB_GENERIC(index)].InstanceDivisor;
2143 return TYPE_INT;
2144
2145 case GL_VERTEX_BINDING_OFFSET:
2146 if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles31(ctx))
2147 goto invalid_enum;
2148 if (index >= ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs)
2149 goto invalid_value;
2150 v->value_int = ctx->Array.VAO->VertexBinding[VERT_ATTRIB_GENERIC(index)].Offset;
2151 return TYPE_INT;
2152
2153 case GL_VERTEX_BINDING_STRIDE:
2154 if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles31(ctx))
2155 goto invalid_enum;
2156 if (index >= ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs)
2157 goto invalid_value;
2158 v->value_int = ctx->Array.VAO->VertexBinding[VERT_ATTRIB_GENERIC(index)].Stride;
2159 return TYPE_INT;
2160
2161 case GL_VERTEX_BINDING_BUFFER:
2162 if (ctx->API == API_OPENGLES2 && ctx->Version < 31)
2163 goto invalid_enum;
2164 if (index >= ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs)
2165 goto invalid_value;
2166 v->value_int = ctx->Array.VAO->VertexBinding[VERT_ATTRIB_GENERIC(index)].BufferObj->Name;
2167 return TYPE_INT;
2168
2169 /* ARB_shader_image_load_store */
2170 case GL_IMAGE_BINDING_NAME: {
2171 struct gl_texture_object *t;
2172
2173 if (!ctx->Extensions.ARB_shader_image_load_store)
2174 goto invalid_enum;
2175 if (index >= ctx->Const.MaxImageUnits)
2176 goto invalid_value;
2177
2178 t = ctx->ImageUnits[index].TexObj;
2179 v->value_int = (t ? t->Name : 0);
2180 return TYPE_INT;
2181 }
2182
2183 case GL_IMAGE_BINDING_LEVEL:
2184 if (!ctx->Extensions.ARB_shader_image_load_store)
2185 goto invalid_enum;
2186 if (index >= ctx->Const.MaxImageUnits)
2187 goto invalid_value;
2188
2189 v->value_int = ctx->ImageUnits[index].Level;
2190 return TYPE_INT;
2191
2192 case GL_IMAGE_BINDING_LAYERED:
2193 if (!ctx->Extensions.ARB_shader_image_load_store)
2194 goto invalid_enum;
2195 if (index >= ctx->Const.MaxImageUnits)
2196 goto invalid_value;
2197
2198 v->value_int = ctx->ImageUnits[index].Layered;
2199 return TYPE_INT;
2200
2201 case GL_IMAGE_BINDING_LAYER:
2202 if (!ctx->Extensions.ARB_shader_image_load_store)
2203 goto invalid_enum;
2204 if (index >= ctx->Const.MaxImageUnits)
2205 goto invalid_value;
2206
2207 v->value_int = ctx->ImageUnits[index].Layer;
2208 return TYPE_INT;
2209
2210 case GL_IMAGE_BINDING_ACCESS:
2211 if (!ctx->Extensions.ARB_shader_image_load_store)
2212 goto invalid_enum;
2213 if (index >= ctx->Const.MaxImageUnits)
2214 goto invalid_value;
2215
2216 v->value_int = ctx->ImageUnits[index].Access;
2217 return TYPE_INT;
2218
2219 case GL_IMAGE_BINDING_FORMAT:
2220 if (!ctx->Extensions.ARB_shader_image_load_store)
2221 goto invalid_enum;
2222 if (index >= ctx->Const.MaxImageUnits)
2223 goto invalid_value;
2224
2225 v->value_int = ctx->ImageUnits[index].Format;
2226 return TYPE_INT;
2227
2228 /* ARB_direct_state_access */
2229 case GL_TEXTURE_BINDING_1D:
2230 case GL_TEXTURE_BINDING_1D_ARRAY:
2231 case GL_TEXTURE_BINDING_2D:
2232 case GL_TEXTURE_BINDING_2D_ARRAY:
2233 case GL_TEXTURE_BINDING_2D_MULTISAMPLE:
2234 case GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY:
2235 case GL_TEXTURE_BINDING_3D:
2236 case GL_TEXTURE_BINDING_BUFFER:
2237 case GL_TEXTURE_BINDING_CUBE_MAP:
2238 case GL_TEXTURE_BINDING_CUBE_MAP_ARRAY:
2239 case GL_TEXTURE_BINDING_RECTANGLE: {
2240 int target;
2241
2242 if (ctx->API != API_OPENGL_CORE)
2243 goto invalid_enum;
2244 target = tex_binding_to_index(ctx, pname);
2245 if (target < 0)
2246 goto invalid_enum;
2247 if (index >= _mesa_max_tex_unit(ctx))
2248 goto invalid_value;
2249
2250 v->value_int = ctx->Texture.Unit[index].CurrentTex[target]->Name;
2251 return TYPE_INT;
2252 }
2253
2254 case GL_SAMPLER_BINDING: {
2255 struct gl_sampler_object *samp;
2256
2257 if (ctx->API != API_OPENGL_CORE)
2258 goto invalid_enum;
2259 if (index >= _mesa_max_tex_unit(ctx))
2260 goto invalid_value;
2261
2262 samp = ctx->Texture.Unit[index].Sampler;
2263 v->value_int = samp ? samp->Name : 0;
2264 return TYPE_INT;
2265 }
2266
2267 case GL_MAX_COMPUTE_WORK_GROUP_COUNT:
2268 if (!_mesa_has_compute_shaders(ctx))
2269 goto invalid_enum;
2270 if (index >= 3)
2271 goto invalid_value;
2272 v->value_int = ctx->Const.MaxComputeWorkGroupCount[index];
2273 return TYPE_INT;
2274
2275 case GL_MAX_COMPUTE_WORK_GROUP_SIZE:
2276 if (!_mesa_has_compute_shaders(ctx))
2277 goto invalid_enum;
2278 if (index >= 3)
2279 goto invalid_value;
2280 v->value_int = ctx->Const.MaxComputeWorkGroupSize[index];
2281 return TYPE_INT;
2282 }
2283
2284 invalid_enum:
2285 _mesa_error(ctx, GL_INVALID_ENUM, "%s(pname=%s)", func,
2286 _mesa_enum_to_string(pname));
2287 return TYPE_INVALID;
2288 invalid_value:
2289 _mesa_error(ctx, GL_INVALID_VALUE, "%s(pname=%s)", func,
2290 _mesa_enum_to_string(pname));
2291 return TYPE_INVALID;
2292 }
2293
2294 void GLAPIENTRY
2295 _mesa_GetBooleani_v( GLenum pname, GLuint index, GLboolean *params )
2296 {
2297 union value v;
2298 enum value_type type =
2299 find_value_indexed("glGetBooleani_v", pname, index, &v);
2300
2301 switch (type) {
2302 case TYPE_INT:
2303 params[0] = INT_TO_BOOLEAN(v.value_int);
2304 break;
2305 case TYPE_INT_4:
2306 params[0] = INT_TO_BOOLEAN(v.value_int_4[0]);
2307 params[1] = INT_TO_BOOLEAN(v.value_int_4[1]);
2308 params[2] = INT_TO_BOOLEAN(v.value_int_4[2]);
2309 params[3] = INT_TO_BOOLEAN(v.value_int_4[3]);
2310 break;
2311 case TYPE_INT64:
2312 params[0] = INT64_TO_BOOLEAN(v.value_int64);
2313 break;
2314 default:
2315 ; /* nothing - GL error was recorded */
2316 }
2317 }
2318
2319 void GLAPIENTRY
2320 _mesa_GetIntegeri_v( GLenum pname, GLuint index, GLint *params )
2321 {
2322 union value v;
2323 enum value_type type =
2324 find_value_indexed("glGetIntegeri_v", pname, index, &v);
2325
2326 switch (type) {
2327 case TYPE_FLOAT_4:
2328 case TYPE_FLOATN_4:
2329 params[3] = IROUND(v.value_float_4[3]);
2330 case TYPE_FLOAT_3:
2331 case TYPE_FLOATN_3:
2332 params[2] = IROUND(v.value_float_4[2]);
2333 case TYPE_FLOAT_2:
2334 case TYPE_FLOATN_2:
2335 params[1] = IROUND(v.value_float_4[1]);
2336 case TYPE_FLOAT:
2337 case TYPE_FLOATN:
2338 params[0] = IROUND(v.value_float_4[0]);
2339 break;
2340
2341 case TYPE_DOUBLEN_2:
2342 params[1] = IROUND(v.value_double_2[1]);
2343 case TYPE_DOUBLEN:
2344 params[0] = IROUND(v.value_double_2[0]);
2345 break;
2346
2347 case TYPE_INT:
2348 params[0] = v.value_int;
2349 break;
2350 case TYPE_INT_4:
2351 params[0] = v.value_int_4[0];
2352 params[1] = v.value_int_4[1];
2353 params[2] = v.value_int_4[2];
2354 params[3] = v.value_int_4[3];
2355 break;
2356 case TYPE_INT64:
2357 params[0] = INT64_TO_INT(v.value_int64);
2358 break;
2359 default:
2360 ; /* nothing - GL error was recorded */
2361 }
2362 }
2363
2364 void GLAPIENTRY
2365 _mesa_GetInteger64i_v( GLenum pname, GLuint index, GLint64 *params )
2366 {
2367 union value v;
2368 enum value_type type =
2369 find_value_indexed("glGetInteger64i_v", pname, index, &v);
2370
2371 switch (type) {
2372 case TYPE_INT:
2373 params[0] = v.value_int;
2374 break;
2375 case TYPE_INT_4:
2376 params[0] = v.value_int_4[0];
2377 params[1] = v.value_int_4[1];
2378 params[2] = v.value_int_4[2];
2379 params[3] = v.value_int_4[3];
2380 break;
2381 case TYPE_INT64:
2382 params[0] = v.value_int64;
2383 break;
2384 default:
2385 ; /* nothing - GL error was recorded */
2386 }
2387 }
2388
2389 void GLAPIENTRY
2390 _mesa_GetFloati_v(GLenum pname, GLuint index, GLfloat *params)
2391 {
2392 int i;
2393 GLmatrix *m;
2394 union value v;
2395 enum value_type type =
2396 find_value_indexed("glGetFloati_v", pname, index, &v);
2397
2398 switch (type) {
2399 case TYPE_FLOAT_4:
2400 case TYPE_FLOATN_4:
2401 params[3] = v.value_float_4[3];
2402 case TYPE_FLOAT_3:
2403 case TYPE_FLOATN_3:
2404 params[2] = v.value_float_4[2];
2405 case TYPE_FLOAT_2:
2406 case TYPE_FLOATN_2:
2407 params[1] = v.value_float_4[1];
2408 case TYPE_FLOAT:
2409 case TYPE_FLOATN:
2410 params[0] = v.value_float_4[0];
2411 break;
2412
2413 case TYPE_DOUBLEN_2:
2414 params[1] = (GLfloat) v.value_double_2[1];
2415 case TYPE_DOUBLEN:
2416 params[0] = (GLfloat) v.value_double_2[0];
2417 break;
2418
2419 case TYPE_INT_4:
2420 params[3] = (GLfloat) v.value_int_4[3];
2421 case TYPE_INT_3:
2422 params[2] = (GLfloat) v.value_int_4[2];
2423 case TYPE_INT_2:
2424 case TYPE_ENUM_2:
2425 params[1] = (GLfloat) v.value_int_4[1];
2426 case TYPE_INT:
2427 case TYPE_ENUM:
2428 params[0] = (GLfloat) v.value_int_4[0];
2429 break;
2430
2431 case TYPE_INT_N:
2432 for (i = 0; i < v.value_int_n.n; i++)
2433 params[i] = INT_TO_FLOAT(v.value_int_n.ints[i]);
2434 break;
2435
2436 case TYPE_INT64:
2437 params[0] = (GLfloat) v.value_int64;
2438 break;
2439
2440 case TYPE_BOOLEAN:
2441 params[0] = BOOLEAN_TO_FLOAT(v.value_bool);
2442 break;
2443
2444 case TYPE_MATRIX:
2445 m = *(GLmatrix **) &v;
2446 for (i = 0; i < 16; i++)
2447 params[i] = m->m[i];
2448 break;
2449
2450 case TYPE_MATRIX_T:
2451 m = *(GLmatrix **) &v;
2452 for (i = 0; i < 16; i++)
2453 params[i] = m->m[transpose[i]];
2454 break;
2455
2456 default:
2457 ;
2458 }
2459 }
2460
2461 void GLAPIENTRY
2462 _mesa_GetDoublei_v(GLenum pname, GLuint index, GLdouble *params)
2463 {
2464 int i;
2465 GLmatrix *m;
2466 union value v;
2467 enum value_type type =
2468 find_value_indexed("glGetDoublei_v", pname, index, &v);
2469
2470 switch (type) {
2471 case TYPE_FLOAT_4:
2472 case TYPE_FLOATN_4:
2473 params[3] = (GLdouble) v.value_float_4[3];
2474 case TYPE_FLOAT_3:
2475 case TYPE_FLOATN_3:
2476 params[2] = (GLdouble) v.value_float_4[2];
2477 case TYPE_FLOAT_2:
2478 case TYPE_FLOATN_2:
2479 params[1] = (GLdouble) v.value_float_4[1];
2480 case TYPE_FLOAT:
2481 case TYPE_FLOATN:
2482 params[0] = (GLdouble) v.value_float_4[0];
2483 break;
2484
2485 case TYPE_DOUBLEN_2:
2486 params[1] = v.value_double_2[1];
2487 case TYPE_DOUBLEN:
2488 params[0] = v.value_double_2[0];
2489 break;
2490
2491 case TYPE_INT_4:
2492 params[3] = (GLdouble) v.value_int_4[3];
2493 case TYPE_INT_3:
2494 params[2] = (GLdouble) v.value_int_4[2];
2495 case TYPE_INT_2:
2496 case TYPE_ENUM_2:
2497 params[1] = (GLdouble) v.value_int_4[1];
2498 case TYPE_INT:
2499 case TYPE_ENUM:
2500 params[0] = (GLdouble) v.value_int_4[0];
2501 break;
2502
2503 case TYPE_INT_N:
2504 for (i = 0; i < v.value_int_n.n; i++)
2505 params[i] = (GLdouble) INT_TO_FLOAT(v.value_int_n.ints[i]);
2506 break;
2507
2508 case TYPE_INT64:
2509 params[0] = (GLdouble) v.value_int64;
2510 break;
2511
2512 case TYPE_BOOLEAN:
2513 params[0] = (GLdouble) BOOLEAN_TO_FLOAT(v.value_bool);
2514 break;
2515
2516 case TYPE_MATRIX:
2517 m = *(GLmatrix **) &v;
2518 for (i = 0; i < 16; i++)
2519 params[i] = (GLdouble) m->m[i];
2520 break;
2521
2522 case TYPE_MATRIX_T:
2523 m = *(GLmatrix **) &v;
2524 for (i = 0; i < 16; i++)
2525 params[i] = (GLdouble) m->m[transpose[i]];
2526 break;
2527
2528 default:
2529 ;
2530 }
2531 }
2532
2533 void GLAPIENTRY
2534 _mesa_GetFixedv(GLenum pname, GLfixed *params)
2535 {
2536 const struct value_desc *d;
2537 union value v;
2538 GLmatrix *m;
2539 int shift, i;
2540 void *p;
2541
2542 d = find_value("glGetDoublev", pname, &p, &v);
2543 switch (d->type) {
2544 case TYPE_INVALID:
2545 break;
2546 case TYPE_CONST:
2547 params[0] = INT_TO_FIXED(d->offset);
2548 break;
2549
2550 case TYPE_FLOAT_4:
2551 case TYPE_FLOATN_4:
2552 params[3] = FLOAT_TO_FIXED(((GLfloat *) p)[3]);
2553 case TYPE_FLOAT_3:
2554 case TYPE_FLOATN_3:
2555 params[2] = FLOAT_TO_FIXED(((GLfloat *) p)[2]);
2556 case TYPE_FLOAT_2:
2557 case TYPE_FLOATN_2:
2558 params[1] = FLOAT_TO_FIXED(((GLfloat *) p)[1]);
2559 case TYPE_FLOAT:
2560 case TYPE_FLOATN:
2561 params[0] = FLOAT_TO_FIXED(((GLfloat *) p)[0]);
2562 break;
2563
2564 case TYPE_DOUBLEN_2:
2565 params[1] = FLOAT_TO_FIXED(((GLdouble *) p)[1]);
2566 case TYPE_DOUBLEN:
2567 params[0] = FLOAT_TO_FIXED(((GLdouble *) p)[0]);
2568 break;
2569
2570 case TYPE_INT_4:
2571 params[3] = INT_TO_FIXED(((GLint *) p)[3]);
2572 case TYPE_INT_3:
2573 params[2] = INT_TO_FIXED(((GLint *) p)[2]);
2574 case TYPE_INT_2:
2575 case TYPE_ENUM_2:
2576 params[1] = INT_TO_FIXED(((GLint *) p)[1]);
2577 case TYPE_INT:
2578 case TYPE_ENUM:
2579 params[0] = INT_TO_FIXED(((GLint *) p)[0]);
2580 break;
2581
2582 case TYPE_INT_N:
2583 for (i = 0; i < v.value_int_n.n; i++)
2584 params[i] = INT_TO_FIXED(v.value_int_n.ints[i]);
2585 break;
2586
2587 case TYPE_INT64:
2588 params[0] = ((GLint64 *) p)[0];
2589 break;
2590
2591 case TYPE_BOOLEAN:
2592 params[0] = BOOLEAN_TO_FIXED(((GLboolean*) p)[0]);
2593 break;
2594
2595 case TYPE_MATRIX:
2596 m = *(GLmatrix **) p;
2597 for (i = 0; i < 16; i++)
2598 params[i] = FLOAT_TO_FIXED(m->m[i]);
2599 break;
2600
2601 case TYPE_MATRIX_T:
2602 m = *(GLmatrix **) p;
2603 for (i = 0; i < 16; i++)
2604 params[i] = FLOAT_TO_FIXED(m->m[transpose[i]]);
2605 break;
2606
2607 case TYPE_BIT_0:
2608 case TYPE_BIT_1:
2609 case TYPE_BIT_2:
2610 case TYPE_BIT_3:
2611 case TYPE_BIT_4:
2612 case TYPE_BIT_5:
2613 case TYPE_BIT_6:
2614 case TYPE_BIT_7:
2615 shift = d->type - TYPE_BIT_0;
2616 params[0] = BOOLEAN_TO_FIXED((*(GLbitfield *) p >> shift) & 1);
2617 break;
2618 }
2619 }