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 */
35int
36u_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