1 /*
2 * Copyright © 2018 Broadcom
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * 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 OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24 #include "pipe/p_screen.h"
25 #include "util/u_screen.h"
26 #include "util/u_debug.h"
27
28 /**
29 * Helper to use from a pipe_screen->get_param() implementation to return
30 * default values for unsupported PIPE_CAPs.
31 *
32 * Call this function from your pipe_screen->get_param() implementation's
33 * default case, so that implementors of new pipe caps don't need to
34 */
35 int
u_pipe_screen_get_param_defaults(struct pipe_screen * pscreen,enum pipe_cap param)36 u_pipe_screen_get_param_defaults(struct pipe_screen *pscreen,
37 enum pipe_cap param)
38 {
39 assert(param < PIPE_CAP_LAST);
40
41 /* Let's keep these sorted by position in p_defines.h. */
42 switch (param) {
43 case PIPE_CAP_NPOT_TEXTURES:
44 case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
45 case PIPE_CAP_ANISOTROPIC_FILTER:
46 case PIPE_CAP_POINT_SPRITE:
47 return 0;
48
49 case PIPE_CAP_GRAPHICS:
50 case PIPE_CAP_GL_CLAMP:
51 case PIPE_CAP_MAX_RENDER_TARGETS:
52 case PIPE_CAP_DITHERING:
53 return 1;
54
55 case PIPE_CAP_OCCLUSION_QUERY:
56 case PIPE_CAP_QUERY_TIME_ELAPSED:
57 case PIPE_CAP_TEXTURE_SWIZZLE:
58 return 0;
59
60 case PIPE_CAP_MAX_TEXTURE_2D_SIZE:
61 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
62 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
63 unreachable("driver must implement these.");
64
65 case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
66 case PIPE_CAP_BLEND_EQUATION_SEPARATE:
67 case PIPE_CAP_FRAGMENT_SHADER_TEXTURE_LOD:
68 case PIPE_CAP_FRAGMENT_SHADER_DERIVATIVES:
69 case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS: /* enables EXT_transform_feedback */
70 case PIPE_CAP_PRIMITIVE_RESTART:
71 case PIPE_CAP_PRIMITIVE_RESTART_FIXED_INDEX:
72 case PIPE_CAP_INDEP_BLEND_ENABLE:
73 case PIPE_CAP_INDEP_BLEND_FUNC:
74 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS: /* Enables GL_EXT_texture_array */
75 case PIPE_CAP_FS_COORD_ORIGIN_UPPER_LEFT:
76 case PIPE_CAP_FS_COORD_ORIGIN_LOWER_LEFT:
77 case PIPE_CAP_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
78 case PIPE_CAP_FS_COORD_PIXEL_CENTER_INTEGER:
79 return 0;
80
81 case PIPE_CAP_POINT_COORD_ORIGIN_UPPER_LEFT:
82 return 1;
83
84 case PIPE_CAP_DEPTH_CLIP_DISABLE:
85 case PIPE_CAP_DEPTH_CLIP_DISABLE_SEPARATE:
86 case PIPE_CAP_DEPTH_CLAMP_ENABLE:
87 case PIPE_CAP_SHADER_STENCIL_EXPORT:
88 case PIPE_CAP_VS_INSTANCEID:
89 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
90 case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
91 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
92 case PIPE_CAP_SEAMLESS_CUBE_MAP:
93 case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
94 case PIPE_CAP_RGB_OVERRIDE_DST_ALPHA_BLEND:
95 return 0;
96
97 case PIPE_CAP_SUPPORTED_PRIM_MODES_WITH_RESTART:
98 case PIPE_CAP_SUPPORTED_PRIM_MODES:
99 return BITFIELD_MASK(PIPE_PRIM_MAX);
100
101 case PIPE_CAP_MIN_TEXEL_OFFSET:
102 /* GL 3.x minimum value. */
103 return -8;
104 case PIPE_CAP_MAX_TEXEL_OFFSET:
105 return 7;
106
107 case PIPE_CAP_CONDITIONAL_RENDER:
108 case PIPE_CAP_TEXTURE_BARRIER:
109 return 0;
110
111 case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
112 /* GL_EXT_transform_feedback minimum value. */
113 return 4;
114 case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
115 return 64;
116
117 case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
118 case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
119 case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
120 case PIPE_CAP_VERTEX_COLOR_CLAMPED:
121 return 0;
122
123 case PIPE_CAP_GLSL_FEATURE_LEVEL:
124 case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY:
125 /* Minimum GLSL level implemented by gallium drivers. */
126 return 120;
127
128 case PIPE_CAP_ESSL_FEATURE_LEVEL:
129 /* Tell gallium frontend to fallback to PIPE_CAP_GLSL_FEATURE_LEVEL */
130 return 0;
131
132 case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
133 case PIPE_CAP_USER_VERTEX_BUFFERS:
134 case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
135 case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
136 case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
137 case PIPE_CAP_VERTEX_ATTRIB_ELEMENT_ALIGNED_ONLY:
138 case PIPE_CAP_COMPUTE:
139 return 0;
140
141 case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
142 /* GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT default value. */
143 return 1;
144
145 case PIPE_CAP_START_INSTANCE:
146 case PIPE_CAP_QUERY_TIMESTAMP:
147 case PIPE_CAP_TEXTURE_MULTISAMPLE:
148 return 0;
149
150 case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
151 /* GL_ARB_map_buffer_alignment minimum value. All drivers expose the
152 * extension.
153 */
154 return 64;
155
156 case PIPE_CAP_CUBE_MAP_ARRAY:
157 case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
158 return 0;
159
160 case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
161 /* GL_EXT_texture_buffer minimum value. */
162 return 256;
163
164 case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY:
165 case PIPE_CAP_TGSI_TEXCOORD:
166 case PIPE_CAP_TEXTURE_BUFFER_SAMPLER:
167 return 0;
168
169 case PIPE_CAP_TEXTURE_TRANSFER_MODES:
170 return PIPE_TEXTURE_TRANSFER_BLIT;
171
172 case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
173 case PIPE_CAP_QUERY_PIPELINE_STATISTICS_SINGLE:
174 case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
175 return 0;
176
177 case PIPE_CAP_MAX_TEXEL_BUFFER_ELEMENTS_UINT:
178 /* GL_EXT_texture_buffer minimum value. */
179 return 65536;
180
181 case PIPE_CAP_MAX_VIEWPORTS:
182 return 1;
183
184 case PIPE_CAP_ENDIANNESS:
185 return PIPE_ENDIAN_LITTLE;
186
187 case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
188 case PIPE_CAP_VS_LAYER_VIEWPORT:
189 case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
190 case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
191 case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS: /* Enables ARB_texture_gather */
192 case PIPE_CAP_TEXTURE_GATHER_SM5:
193 case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
194 case PIPE_CAP_FAKE_SW_MSAA:
195 case PIPE_CAP_TEXTURE_QUERY_LOD:
196 return 0;
197
198 case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
199 return -8;
200 case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
201 return 7;
202
203 case PIPE_CAP_SAMPLE_SHADING:
204 case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
205 case PIPE_CAP_VS_WINDOW_SPACE_POSITION:
206 case PIPE_CAP_MAX_VERTEX_STREAMS:
207 case PIPE_CAP_DRAW_INDIRECT:
208 case PIPE_CAP_FS_FINE_DERIVATIVE:
209 return 0;
210
211 case PIPE_CAP_VENDOR_ID:
212 case PIPE_CAP_DEVICE_ID:
213 return 0xffffffff;
214
215 case PIPE_CAP_ACCELERATED:
216 case PIPE_CAP_VIDEO_MEMORY:
217 case PIPE_CAP_UMA:
218 unreachable("driver must implement these.");
219
220 case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
221 return 0;
222
223 case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
224 /* GL minimum value */
225 return 2048;
226
227 case PIPE_CAP_SAMPLER_VIEW_TARGET:
228 case PIPE_CAP_CLIP_HALFZ:
229 case PIPE_CAP_VERTEXID_NOBASE:
230 case PIPE_CAP_POLYGON_OFFSET_CLAMP:
231 case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
232 case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
233 case PIPE_CAP_RESOURCE_FROM_USER_MEMORY_COMPUTE_ONLY:
234 case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
235 case PIPE_CAP_DEVICE_PROTECTED_CONTENT:
236 case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
237 case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
238 case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
239 case PIPE_CAP_DEPTH_BOUNDS_TEST:
240 case PIPE_CAP_TEXTURE_QUERY_SAMPLES:
241 case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
242 return 0;
243
244 /* All drivers should expose this cap, as it is required for applications to
245 * be able to efficiently compile GL shaders from multiple threads during
246 * load.
247 */
248 case PIPE_CAP_SHAREABLE_SHADERS:
249 return 1;
250
251 case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
252 case PIPE_CAP_CLEAR_TEXTURE:
253 case PIPE_CAP_CLEAR_SCISSORED:
254 case PIPE_CAP_DRAW_PARAMETERS:
255 case PIPE_CAP_SHADER_PACK_HALF_FLOAT:
256 case PIPE_CAP_MULTI_DRAW_INDIRECT:
257 case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS:
258 case PIPE_CAP_FS_POSITION_IS_SYSVAL:
259 case PIPE_CAP_FS_POINT_IS_SYSVAL:
260 case PIPE_CAP_FS_FACE_IS_INTEGER_SYSVAL:
261 return 0;
262 case PIPE_CAP_MULTI_DRAW_INDIRECT_PARTIAL_STRIDE:
263 return 1;
264
265 case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
266 /* Enables GL_ARB_shader_storage_buffer_object */
267 return 0;
268
269 case PIPE_CAP_INVALIDATE_BUFFER:
270 case PIPE_CAP_GENERATE_MIPMAP:
271 case PIPE_CAP_STRING_MARKER:
272 case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS:
273 case PIPE_CAP_QUERY_BUFFER_OBJECT:
274 case PIPE_CAP_QUERY_MEMORY_INFO: /* Enables GL_ATI_meminfo */
275 return 0;
276
277 case PIPE_CAP_PCI_GROUP:
278 case PIPE_CAP_PCI_BUS:
279 case PIPE_CAP_PCI_DEVICE:
280 case PIPE_CAP_PCI_FUNCTION:
281 unreachable("driver must implement these.");
282
283 case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
284 case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
285 case PIPE_CAP_CULL_DISTANCE:
286 case PIPE_CAP_CULL_DISTANCE_NOCOMBINE:
287 case PIPE_CAP_SHADER_GROUP_VOTE:
288 case PIPE_CAP_MAX_WINDOW_RECTANGLES: /* Enables EXT_window_rectangles */
289 case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
290 case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
291 case PIPE_CAP_VIEWPORT_SWIZZLE:
292 case PIPE_CAP_VIEWPORT_MASK:
293 case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
294 case PIPE_CAP_SHADER_ARRAY_COMPONENTS:
295 case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS:
296 case PIPE_CAP_SHADER_CAN_READ_OUTPUTS:
297 case PIPE_CAP_NATIVE_FENCE_FD:
298 return 0;
299
300 case PIPE_CAP_RASTERIZER_SUBPIXEL_BITS:
301 return 4; /* GLES 2.0 minimum value */
302
303 case PIPE_CAP_PREFER_BACK_BUFFER_REUSE:
304 return 1;
305
306 case PIPE_CAP_GLSL_TESS_LEVELS_AS_INPUTS:
307 return 0;
308
309 case PIPE_CAP_FBFETCH:
310 case PIPE_CAP_FBFETCH_COHERENT:
311 case PIPE_CAP_FBFETCH_ZS:
312 case PIPE_CAP_BLEND_EQUATION_ADVANCED:
313 case PIPE_CAP_LEGACY_MATH_RULES:
314 case PIPE_CAP_DOUBLES:
315 case PIPE_CAP_INT64:
316 case PIPE_CAP_INT64_DIVMOD:
317 case PIPE_CAP_TGSI_TEX_TXF_LZ:
318 case PIPE_CAP_SHADER_CLOCK:
319 case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE:
320 case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
321 case PIPE_CAP_SHADER_BALLOT:
322 case PIPE_CAP_TES_LAYER_VIEWPORT:
323 case PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX:
324 case PIPE_CAP_TGSI_DIV:
325 case PIPE_CAP_NIR_ATOMICS_AS_DEREF:
326 return 0;
327
328 case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION:
329 /* Drivers generally support this, and it reduces GL overhead just to
330 * throw an error when buffers are mapped.
331 */
332 return 1;
333
334 case PIPE_CAP_PREFER_IMM_ARRAYS_AS_CONSTBUF:
335 /* Don't unset this unless your driver can do better */
336 return 1;
337
338 case PIPE_CAP_POST_DEPTH_COVERAGE:
339 case PIPE_CAP_BINDLESS_TEXTURE:
340 case PIPE_CAP_NIR_SAMPLERS_AS_DEREF:
341 case PIPE_CAP_NIR_COMPACT_ARRAYS:
342 case PIPE_CAP_QUERY_SO_OVERFLOW:
343 case PIPE_CAP_MEMOBJ:
344 case PIPE_CAP_LOAD_CONSTBUF:
345 case PIPE_CAP_TILE_RASTER_ORDER:
346 return 0;
347
348 case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES:
349 /* nonzero overrides defaults */
350 return 0;
351
352 case PIPE_CAP_FRAMEBUFFER_MSAA_CONSTRAINTS:
353 case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
354 case PIPE_CAP_CONTEXT_PRIORITY_MASK:
355 case PIPE_CAP_FENCE_SIGNAL:
356 case PIPE_CAP_CONSTBUF0_FLAGS:
357 case PIPE_CAP_PACKED_UNIFORMS:
358 case PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_TRIANGLES:
359 case PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_POINTS_LINES:
360 case PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_TRIANGLES:
361 case PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_POINTS_LINES:
362 case PIPE_CAP_MAX_CONSERVATIVE_RASTER_SUBPIXEL_PRECISION_BIAS:
363 case PIPE_CAP_CONSERVATIVE_RASTER_POST_DEPTH_COVERAGE:
364 case PIPE_CAP_CONSERVATIVE_RASTER_INNER_COVERAGE:
365 case PIPE_CAP_PROGRAMMABLE_SAMPLE_LOCATIONS:
366 case PIPE_CAP_MAX_COMBINED_SHADER_BUFFERS:
367 case PIPE_CAP_MAX_COMBINED_HW_ATOMIC_COUNTERS:
368 case PIPE_CAP_MAX_COMBINED_HW_ATOMIC_COUNTER_BUFFERS:
369 case PIPE_CAP_IMAGE_ATOMIC_FLOAT_ADD:
370 case PIPE_CAP_IMAGE_LOAD_FORMATTED:
371 case PIPE_CAP_IMAGE_STORE_FORMATTED:
372 case PIPE_CAP_PREFER_COMPUTE_FOR_MULTIMEDIA:
373 case PIPE_CAP_FRAGMENT_SHADER_INTERLOCK:
374 case PIPE_CAP_CS_DERIVED_SYSTEM_VALUES_SUPPORTED:
375 case PIPE_CAP_ATOMIC_FLOAT_MINMAX:
376 case PIPE_CAP_SHADER_SAMPLES_IDENTICAL:
377 case PIPE_CAP_IMAGE_ATOMIC_INC_WRAP:
378 case PIPE_CAP_TGSI_TG4_COMPONENT_IN_SWIZZLE:
379 case PIPE_CAP_GLSL_ZERO_INIT:
380 case PIPE_CAP_ALLOW_DRAW_OUT_OF_ORDER:
381 return 0;
382
383 case PIPE_CAP_MAX_GS_INVOCATIONS:
384 return 32;
385
386 case PIPE_CAP_MAX_SHADER_BUFFER_SIZE_UINT:
387 return 1 << 27;
388
389 case PIPE_CAP_TEXTURE_MIRROR_CLAMP_TO_EDGE:
390 case PIPE_CAP_MAX_TEXTURE_UPLOAD_MEMORY_BUDGET:
391 return 0;
392
393 case PIPE_CAP_MAX_VERTEX_ELEMENT_SRC_OFFSET:
394 return 2047;
395
396 case PIPE_CAP_SURFACE_SAMPLE_COUNT:
397 return 0;
398 case PIPE_CAP_DEST_SURFACE_SRGB_CONTROL:
399 return 1;
400
401 case PIPE_CAP_MAX_VARYINGS:
402 return 8;
403
404 case PIPE_CAP_COMPUTE_GRID_INFO_LAST_BLOCK:
405 return 0;
406
407 case PIPE_CAP_COMPUTE_SHADER_DERIVATIVES:
408 return 0;
409
410 case PIPE_CAP_THROTTLE:
411 return 1;
412
413 case PIPE_CAP_TEXTURE_SHADOW_LOD:
414 return 0;
415
416 case PIPE_CAP_GL_SPIRV:
417 case PIPE_CAP_GL_SPIRV_VARIABLE_POINTERS:
418 return 0;
419
420 case PIPE_CAP_DEMOTE_TO_HELPER_INVOCATION:
421 return 0;
422
423 case PIPE_CAP_DMABUF:
424 #if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD)
425 return 1;
426 #else
427 return 0;
428 #endif
429
430 case PIPE_CAP_TEXTURE_SHADOW_MAP: /* Enables ARB_shadow */
431 return 1;
432
433 case PIPE_CAP_FLATSHADE:
434 case PIPE_CAP_ALPHA_TEST:
435 case PIPE_CAP_POINT_SIZE_FIXED:
436 case PIPE_CAP_TWO_SIDED_COLOR:
437 case PIPE_CAP_CLIP_PLANES:
438 return 1;
439
440 case PIPE_CAP_MAX_VERTEX_BUFFERS:
441 return 16;
442
443 case PIPE_CAP_OPENCL_INTEGER_FUNCTIONS:
444 case PIPE_CAP_INTEGER_MULTIPLY_32X16:
445 return 0;
446 case PIPE_CAP_NIR_IMAGES_AS_DEREF:
447 return 1;
448
449 case PIPE_CAP_FRONTEND_NOOP:
450 /* Enables INTEL_blackhole_render */
451 return 0;
452
453 case PIPE_CAP_PACKED_STREAM_OUTPUT:
454 return 1;
455
456 case PIPE_CAP_VIEWPORT_TRANSFORM_LOWERED:
457 case PIPE_CAP_PSIZ_CLAMPED:
458 case PIPE_CAP_MAP_UNSYNCHRONIZED_THREAD_SAFE:
459 return 0;
460
461 case PIPE_CAP_GL_BEGIN_END_BUFFER_SIZE:
462 return 512 * 1024;
463
464 case PIPE_CAP_SYSTEM_SVM:
465 case PIPE_CAP_ALPHA_TO_COVERAGE_DITHER_CONTROL:
466 case PIPE_CAP_NO_CLIP_ON_COPY_TEX:
467 case PIPE_CAP_MAX_TEXTURE_MB:
468 case PIPE_CAP_PREFER_REAL_BUFFER_IN_CONSTBUF0:
469 return 0;
470
471 case PIPE_CAP_TEXRECT:
472 return 1;
473
474 case PIPE_CAP_SHADER_ATOMIC_INT64:
475 return 0;
476
477 case PIPE_CAP_SAMPLER_REDUCTION_MINMAX:
478 case PIPE_CAP_SAMPLER_REDUCTION_MINMAX_ARB:
479 return 0;
480
481 case PIPE_CAP_ALLOW_DYNAMIC_VAO_FASTPATH:
482 return 1;
483
484 case PIPE_CAP_EMULATE_NONFIXED_PRIMITIVE_RESTART:
485 case PIPE_CAP_DRAW_VERTEX_STATE:
486 return 0;
487
488 case PIPE_CAP_PREFER_POT_ALIGNED_VARYINGS:
489 return 0;
490
491 case PIPE_CAP_MAX_SPARSE_TEXTURE_SIZE:
492 case PIPE_CAP_MAX_SPARSE_3D_TEXTURE_SIZE:
493 case PIPE_CAP_MAX_SPARSE_ARRAY_TEXTURE_LAYERS:
494 case PIPE_CAP_SPARSE_TEXTURE_FULL_ARRAY_CUBE_MIPMAPS:
495 case PIPE_CAP_QUERY_SPARSE_TEXTURE_RESIDENCY:
496 case PIPE_CAP_CLAMP_SPARSE_TEXTURE_LOD:
497 case PIPE_CAP_TIMELINE_SEMAPHORE_IMPORT:
498 return 0;
499
500 case PIPE_CAP_MAX_CONSTANT_BUFFER_SIZE_UINT:
501 return pscreen->get_shader_param(pscreen, PIPE_SHADER_FRAGMENT,
502 PIPE_SHADER_CAP_MAX_CONST_BUFFER0_SIZE);
503
504 case PIPE_CAP_HARDWARE_GL_SELECT: {
505 /* =0: on CPU, always disabled
506 * >0: on GPU, enable by default, user can disable it manually
507 * <0: unknown, disable by default, user can enable it manually
508 */
509 int accel = pscreen->get_param(pscreen, PIPE_CAP_ACCELERATED);
510
511 return !!accel && debug_get_bool_option("MESA_HW_ACCEL_SELECT", accel > 0) &&
512 /* internal geometry shader need indirect array access */
513 pscreen->get_shader_param(pscreen, PIPE_SHADER_GEOMETRY,
514 PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR) &&
515 /* internal geometry shader need SSBO support */
516 pscreen->get_shader_param(pscreen, PIPE_SHADER_GEOMETRY,
517 PIPE_SHADER_CAP_MAX_SHADER_BUFFERS);
518 }
519
520 default:
521 unreachable("bad PIPE_CAP_*");
522 }
523 }
524