nir: add nir_shader_compiler_options::lower_to_scalar
[mesa.git] / src / gallium / drivers / radeonsi / si_get.c
1 /*
2 * Copyright 2017 Advanced Micro Devices, Inc.
3 * All Rights Reserved.
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 * on the rights to use, copy, modify, merge, publish, distribute, sub
9 * license, and/or sell copies of the Software, and to permit persons to whom
10 * the Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
22 * USE OR OTHER DEALINGS IN THE SOFTWARE.
23 */
24
25 #include "si_pipe.h"
26 #include "radeon/radeon_video.h"
27 #include "radeon/radeon_vce.h"
28 #include "radeon/radeon_uvd_enc.h"
29 #include "ac_llvm_util.h"
30 #include "vl/vl_decoder.h"
31 #include "vl/vl_video_buffer.h"
32 #include "util/u_screen.h"
33 #include "util/u_video.h"
34 #include "compiler/nir/nir.h"
35
36 #include <llvm/Config/llvm-config.h>
37 #include <sys/utsname.h>
38
39 static const char *si_get_vendor(struct pipe_screen *pscreen)
40 {
41 /* Don't change this. Games such as Alien Isolation are broken if this
42 * returns "Advanced Micro Devices, Inc."
43 */
44 return "X.Org";
45 }
46
47 static const char *si_get_device_vendor(struct pipe_screen *pscreen)
48 {
49 return "AMD";
50 }
51
52 static int si_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
53 {
54 struct si_screen *sscreen = (struct si_screen *)pscreen;
55
56 switch (param) {
57 /* Supported features (boolean caps). */
58 case PIPE_CAP_ACCELERATED:
59 case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
60 case PIPE_CAP_ANISOTROPIC_FILTER:
61 case PIPE_CAP_POINT_SPRITE:
62 case PIPE_CAP_OCCLUSION_QUERY:
63 case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
64 case PIPE_CAP_TEXTURE_MIRROR_CLAMP_TO_EDGE:
65 case PIPE_CAP_BLEND_EQUATION_SEPARATE:
66 case PIPE_CAP_TEXTURE_SWIZZLE:
67 case PIPE_CAP_DEPTH_CLIP_DISABLE:
68 case PIPE_CAP_DEPTH_CLIP_DISABLE_SEPARATE:
69 case PIPE_CAP_SHADER_STENCIL_EXPORT:
70 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
71 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
72 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
73 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
74 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
75 case PIPE_CAP_FRAGMENT_SHADER_TEXTURE_LOD:
76 case PIPE_CAP_FRAGMENT_SHADER_DERIVATIVES:
77 case PIPE_CAP_VERTEX_SHADER_SATURATE:
78 case PIPE_CAP_SEAMLESS_CUBE_MAP:
79 case PIPE_CAP_PRIMITIVE_RESTART:
80 case PIPE_CAP_CONDITIONAL_RENDER:
81 case PIPE_CAP_TEXTURE_BARRIER:
82 case PIPE_CAP_INDEP_BLEND_ENABLE:
83 case PIPE_CAP_INDEP_BLEND_FUNC:
84 case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
85 case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
86 case PIPE_CAP_START_INSTANCE:
87 case PIPE_CAP_NPOT_TEXTURES:
88 case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
89 case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
90 case PIPE_CAP_VERTEX_COLOR_CLAMPED:
91 case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
92 case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
93 case PIPE_CAP_TGSI_INSTANCEID:
94 case PIPE_CAP_COMPUTE:
95 case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
96 case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
97 case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
98 case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
99 case PIPE_CAP_CUBE_MAP_ARRAY:
100 case PIPE_CAP_SAMPLE_SHADING:
101 case PIPE_CAP_DRAW_INDIRECT:
102 case PIPE_CAP_CLIP_HALFZ:
103 case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
104 case PIPE_CAP_POLYGON_OFFSET_CLAMP:
105 case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
106 case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
107 case PIPE_CAP_TGSI_TEXCOORD:
108 case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
109 case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
110 case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
111 case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
112 case PIPE_CAP_SHAREABLE_SHADERS:
113 case PIPE_CAP_DEPTH_BOUNDS_TEST:
114 case PIPE_CAP_SAMPLER_VIEW_TARGET:
115 case PIPE_CAP_TEXTURE_QUERY_LOD:
116 case PIPE_CAP_TEXTURE_GATHER_SM5:
117 case PIPE_CAP_TGSI_TXQS:
118 case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
119 case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
120 case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL:
121 case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
122 case PIPE_CAP_INVALIDATE_BUFFER:
123 case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS:
124 case PIPE_CAP_QUERY_BUFFER_OBJECT:
125 case PIPE_CAP_QUERY_MEMORY_INFO:
126 case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
127 case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
128 case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
129 case PIPE_CAP_GENERATE_MIPMAP:
130 case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
131 case PIPE_CAP_STRING_MARKER:
132 case PIPE_CAP_CLEAR_TEXTURE:
133 case PIPE_CAP_CULL_DISTANCE:
134 case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
135 case PIPE_CAP_TGSI_CAN_READ_OUTPUTS:
136 case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY:
137 case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
138 case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS:
139 case PIPE_CAP_DOUBLES:
140 case PIPE_CAP_TGSI_TEX_TXF_LZ:
141 case PIPE_CAP_TGSI_TES_LAYER_VIEWPORT:
142 case PIPE_CAP_BINDLESS_TEXTURE:
143 case PIPE_CAP_QUERY_TIMESTAMP:
144 case PIPE_CAP_QUERY_TIME_ELAPSED:
145 case PIPE_CAP_NIR_SAMPLERS_AS_DEREF:
146 case PIPE_CAP_MEMOBJ:
147 case PIPE_CAP_LOAD_CONSTBUF:
148 case PIPE_CAP_INT64:
149 case PIPE_CAP_INT64_DIVMOD:
150 case PIPE_CAP_TGSI_CLOCK:
151 case PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX:
152 case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION:
153 case PIPE_CAP_TGSI_ANY_REG_AS_ADDRESS:
154 case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
155 case PIPE_CAP_TGSI_BALLOT:
156 case PIPE_CAP_TGSI_VOTE:
157 case PIPE_CAP_FBFETCH:
158 case PIPE_CAP_COMPUTE_GRID_INFO_LAST_BLOCK:
159 case PIPE_CAP_IMAGE_LOAD_FORMATTED:
160 case PIPE_CAP_PREFER_COMPUTE_FOR_MULTIMEDIA:
161 case PIPE_CAP_TGSI_DIV:
162 return 1;
163
164 case PIPE_CAP_QUERY_SO_OVERFLOW:
165 return !sscreen->use_ngg_streamout;
166
167 case PIPE_CAP_POST_DEPTH_COVERAGE:
168 return sscreen->info.chip_class >= GFX10;
169
170 case PIPE_CAP_GRAPHICS:
171 return sscreen->info.has_graphics;
172
173 case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
174 return !SI_BIG_ENDIAN && sscreen->info.has_userptr;
175
176 case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
177 return sscreen->info.has_gpu_reset_status_query;
178
179 case PIPE_CAP_TEXTURE_MULTISAMPLE:
180 return sscreen->info.has_2d_tiling;
181
182 case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
183 return SI_MAP_BUFFER_ALIGNMENT;
184
185 case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
186 case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
187 case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
188 case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
189 case PIPE_CAP_MAX_VERTEX_STREAMS:
190 case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
191 case PIPE_CAP_MAX_WINDOW_RECTANGLES:
192 return 4;
193
194 case PIPE_CAP_GLSL_FEATURE_LEVEL:
195 case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY:
196 if (sscreen->info.has_indirect_compute_dispatch)
197 return 450;
198 return 420;
199
200 case PIPE_CAP_MAX_TEXTURE_UPLOAD_MEMORY_BUDGET:
201 /* Optimal number for good TexSubImage performance on Polaris10. */
202 return 64 * 1024 * 1024;
203
204 case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
205 case PIPE_CAP_MAX_SHADER_BUFFER_SIZE:
206 return MIN2(sscreen->info.max_alloc_size, INT_MAX);
207
208 case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
209 case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
210 case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
211 return LLVM_VERSION_MAJOR < 9 && !sscreen->info.has_unaligned_shader_loads;
212
213 case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
214 return sscreen->info.has_sparse_vm_mappings ?
215 RADEON_SPARSE_PAGE_SIZE : 0;
216
217 case PIPE_CAP_PACKED_UNIFORMS:
218 case PIPE_CAP_SHADER_SAMPLES_IDENTICAL:
219 if (sscreen->options.enable_nir)
220 return 1;
221 return 0;
222
223 case PIPE_CAP_PREFER_IMM_ARRAYS_AS_CONSTBUF:
224 if (sscreen->options.enable_nir)
225 return 0;
226 return 1;
227
228 /* Unsupported features. */
229 case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY:
230 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
231 case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
232 case PIPE_CAP_USER_VERTEX_BUFFERS:
233 case PIPE_CAP_FAKE_SW_MSAA:
234 case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
235 case PIPE_CAP_VERTEXID_NOBASE:
236 case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES:
237 case PIPE_CAP_TGSI_MUL_ZERO_WINS:
238 case PIPE_CAP_UMA:
239 case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE:
240 case PIPE_CAP_TILE_RASTER_ORDER:
241 case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES:
242 case PIPE_CAP_CONTEXT_PRIORITY_MASK:
243 case PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_TRIANGLES:
244 case PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_POINTS_LINES:
245 case PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_TRIANGLES:
246 case PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_POINTS_LINES:
247 case PIPE_CAP_CONSERVATIVE_RASTER_POST_DEPTH_COVERAGE:
248 case PIPE_CAP_MAX_CONSERVATIVE_RASTER_SUBPIXEL_PRECISION_BIAS:
249 case PIPE_CAP_PROGRAMMABLE_SAMPLE_LOCATIONS:
250 return 0;
251
252 case PIPE_CAP_FENCE_SIGNAL:
253 return sscreen->info.has_syncobj;
254
255 case PIPE_CAP_CONSTBUF0_FLAGS:
256 return SI_RESOURCE_FLAG_32BIT;
257
258 case PIPE_CAP_NATIVE_FENCE_FD:
259 return sscreen->info.has_fence_to_handle;
260
261 case PIPE_CAP_DRAW_PARAMETERS:
262 case PIPE_CAP_MULTI_DRAW_INDIRECT:
263 case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS:
264 return sscreen->has_draw_indirect_multi;
265
266 case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
267 return 30;
268
269 case PIPE_CAP_MAX_VARYINGS:
270 return 32;
271
272 case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
273 return sscreen->info.chip_class <= GFX8 ?
274 PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_R600 : 0;
275
276 /* Stream output. */
277 case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
278 case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
279 return 32*4;
280
281 /* Geometry shader output. */
282 case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
283 /* gfx9 has to report 256 to make piglit/gs-max-output pass.
284 * gfx8 and earlier can do 1024.
285 */
286 return 256;
287 case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
288 return 4095;
289 case PIPE_CAP_MAX_GS_INVOCATIONS:
290 /* The closed driver exposes 127, but 125 is the greatest
291 * number that works. */
292 return 125;
293
294 case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
295 return 2048;
296
297 /* Texturing. */
298 case PIPE_CAP_MAX_TEXTURE_2D_SIZE:
299 return 16384;
300 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
301 return 15; /* 16384 */
302 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
303 if (sscreen->info.chip_class >= GFX10)
304 return 14;
305 /* textures support 8192, but layered rendering supports 2048 */
306 return 12;
307 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
308 if (sscreen->info.chip_class >= GFX10)
309 return 8192;
310 /* textures support 8192, but layered rendering supports 2048 */
311 return 2048;
312
313 /* Viewports and render targets. */
314 case PIPE_CAP_MAX_VIEWPORTS:
315 return SI_MAX_VIEWPORTS;
316 case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
317 case PIPE_CAP_RASTERIZER_SUBPIXEL_BITS:
318 case PIPE_CAP_MAX_RENDER_TARGETS:
319 return 8;
320 case PIPE_CAP_FRAMEBUFFER_MSAA_CONSTRAINTS:
321 return sscreen->info.has_eqaa_surface_allocator ? 2 : 0;
322
323 case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
324 case PIPE_CAP_MIN_TEXEL_OFFSET:
325 return -32;
326
327 case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
328 case PIPE_CAP_MAX_TEXEL_OFFSET:
329 return 31;
330
331 case PIPE_CAP_ENDIANNESS:
332 return PIPE_ENDIAN_LITTLE;
333
334 case PIPE_CAP_VENDOR_ID:
335 return ATI_VENDOR_ID;
336 case PIPE_CAP_DEVICE_ID:
337 return sscreen->info.pci_id;
338 case PIPE_CAP_VIDEO_MEMORY:
339 return sscreen->info.vram_size >> 20;
340 case PIPE_CAP_PCI_GROUP:
341 return sscreen->info.pci_domain;
342 case PIPE_CAP_PCI_BUS:
343 return sscreen->info.pci_bus;
344 case PIPE_CAP_PCI_DEVICE:
345 return sscreen->info.pci_dev;
346 case PIPE_CAP_PCI_FUNCTION:
347 return sscreen->info.pci_func;
348 case PIPE_CAP_TGSI_ATOMINC_WRAP:
349 return LLVM_VERSION_MAJOR >= 10;
350
351 default:
352 return u_pipe_screen_get_param_defaults(pscreen, param);
353 }
354 }
355
356 static float si_get_paramf(struct pipe_screen* pscreen, enum pipe_capf param)
357 {
358 switch (param) {
359 case PIPE_CAPF_MAX_LINE_WIDTH:
360 case PIPE_CAPF_MAX_LINE_WIDTH_AA:
361 /* This depends on the quant mode, though the precise interactions
362 * are unknown. */
363 return 2048;
364 case PIPE_CAPF_MAX_POINT_WIDTH:
365 case PIPE_CAPF_MAX_POINT_WIDTH_AA:
366 return SI_MAX_POINT_SIZE;
367 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
368 return 16.0f;
369 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
370 return 16.0f;
371 case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE:
372 case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE:
373 case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY:
374 return 0.0f;
375 }
376 return 0.0f;
377 }
378
379 static int si_get_shader_param(struct pipe_screen* pscreen,
380 enum pipe_shader_type shader,
381 enum pipe_shader_cap param)
382 {
383 struct si_screen *sscreen = (struct si_screen *)pscreen;
384
385 switch(shader)
386 {
387 case PIPE_SHADER_FRAGMENT:
388 case PIPE_SHADER_VERTEX:
389 case PIPE_SHADER_GEOMETRY:
390 case PIPE_SHADER_TESS_CTRL:
391 case PIPE_SHADER_TESS_EVAL:
392 break;
393 case PIPE_SHADER_COMPUTE:
394 switch (param) {
395 case PIPE_SHADER_CAP_SUPPORTED_IRS: {
396 int ir = 1 << PIPE_SHADER_IR_NATIVE;
397
398 if (sscreen->info.has_indirect_compute_dispatch)
399 ir |= 1 << PIPE_SHADER_IR_TGSI;
400
401 return ir;
402 }
403
404 case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE: {
405 uint64_t max_const_buffer_size;
406 pscreen->get_compute_param(pscreen, PIPE_SHADER_IR_TGSI,
407 PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE,
408 &max_const_buffer_size);
409 return MIN2(max_const_buffer_size, INT_MAX);
410 }
411 default:
412 /* If compute shaders don't require a special value
413 * for this cap, we can return the same value we
414 * do for other shader types. */
415 break;
416 }
417 break;
418 default:
419 return 0;
420 }
421
422 switch (param) {
423 /* Shader limits. */
424 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
425 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
426 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
427 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
428 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
429 return 16384;
430 case PIPE_SHADER_CAP_MAX_INPUTS:
431 return shader == PIPE_SHADER_VERTEX ? SI_MAX_ATTRIBS : 32;
432 case PIPE_SHADER_CAP_MAX_OUTPUTS:
433 return shader == PIPE_SHADER_FRAGMENT ? 8 : 32;
434 case PIPE_SHADER_CAP_MAX_TEMPS:
435 return 256; /* Max native temporaries. */
436 case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
437 return MIN2(sscreen->info.max_alloc_size, INT_MAX - 3); /* aligned to 4 */
438 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
439 return SI_NUM_CONST_BUFFERS;
440 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
441 case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
442 return SI_NUM_SAMPLERS;
443 case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
444 return SI_NUM_SHADER_BUFFERS;
445 case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
446 return SI_NUM_IMAGES;
447 case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
448 if (sscreen->options.enable_nir)
449 return 0;
450 return 32;
451 case PIPE_SHADER_CAP_PREFERRED_IR:
452 if (sscreen->options.enable_nir)
453 return PIPE_SHADER_IR_NIR;
454 return PIPE_SHADER_IR_TGSI;
455 case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
456 return 4;
457
458 /* Supported boolean features. */
459 case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
460 case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
461 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
462 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
463 case PIPE_SHADER_CAP_INTEGERS:
464 case PIPE_SHADER_CAP_INT64_ATOMICS:
465 case PIPE_SHADER_CAP_FP16:
466 case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
467 case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
468 case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
469 case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
470 case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
471 case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
472 return 1;
473
474 case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
475 /* TODO: Indirect indexing of GS inputs is unimplemented. */
476 if (shader == PIPE_SHADER_GEOMETRY)
477 return 0;
478
479 if (shader == PIPE_SHADER_VERTEX &&
480 !sscreen->llvm_has_working_vgpr_indexing)
481 return 0;
482
483 /* TCS and TES load inputs directly from LDS or offchip
484 * memory, so indirect indexing is always supported.
485 * PS has to support indirect indexing, because we can't
486 * lower that to TEMPs for INTERP instructions.
487 */
488 return 1;
489
490 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
491 return sscreen->llvm_has_working_vgpr_indexing ||
492 /* TCS stores outputs directly to memory. */
493 shader == PIPE_SHADER_TESS_CTRL;
494
495 /* Unsupported boolean features. */
496 case PIPE_SHADER_CAP_SUBROUTINES:
497 case PIPE_SHADER_CAP_SUPPORTED_IRS:
498 case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
499 case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
500 return 0;
501 case PIPE_SHADER_CAP_SCALAR_ISA:
502 return 1;
503 }
504 return 0;
505 }
506
507 static const struct nir_shader_compiler_options nir_options = {
508 .lower_scmp = true,
509 .lower_flrp32 = true,
510 .lower_flrp64 = true,
511 .lower_fsat = true,
512 .lower_fdiv = true,
513 .lower_bitfield_insert_to_bitfield_select = true,
514 .lower_bitfield_extract = true,
515 .lower_sub = true,
516 .lower_ffma = true,
517 .lower_fmod = true,
518 .lower_pack_snorm_4x8 = true,
519 .lower_pack_unorm_4x8 = true,
520 .lower_unpack_snorm_2x16 = true,
521 .lower_unpack_snorm_4x8 = true,
522 .lower_unpack_unorm_2x16 = true,
523 .lower_unpack_unorm_4x8 = true,
524 .lower_extract_byte = true,
525 .lower_extract_word = true,
526 .lower_rotate = true,
527 .lower_to_scalar = true,
528 .optimize_sample_mask_in = true,
529 .max_unroll_iterations = 32,
530 .use_interpolated_input_intrinsics = true,
531 };
532
533 static const void *
534 si_get_compiler_options(struct pipe_screen *screen,
535 enum pipe_shader_ir ir,
536 enum pipe_shader_type shader)
537 {
538 assert(ir == PIPE_SHADER_IR_NIR);
539 return &nir_options;
540 }
541
542 static void si_get_driver_uuid(struct pipe_screen *pscreen, char *uuid)
543 {
544 ac_compute_driver_uuid(uuid, PIPE_UUID_SIZE);
545 }
546
547 static void si_get_device_uuid(struct pipe_screen *pscreen, char *uuid)
548 {
549 struct si_screen *sscreen = (struct si_screen *)pscreen;
550
551 ac_compute_device_uuid(&sscreen->info, uuid, PIPE_UUID_SIZE);
552 }
553
554 static const char* si_get_name(struct pipe_screen *pscreen)
555 {
556 struct si_screen *sscreen = (struct si_screen*)pscreen;
557
558 return sscreen->renderer_string;
559 }
560
561 static int si_get_video_param_no_decode(struct pipe_screen *screen,
562 enum pipe_video_profile profile,
563 enum pipe_video_entrypoint entrypoint,
564 enum pipe_video_cap param)
565 {
566 switch (param) {
567 case PIPE_VIDEO_CAP_SUPPORTED:
568 return vl_profile_supported(screen, profile, entrypoint);
569 case PIPE_VIDEO_CAP_NPOT_TEXTURES:
570 return 1;
571 case PIPE_VIDEO_CAP_MAX_WIDTH:
572 case PIPE_VIDEO_CAP_MAX_HEIGHT:
573 return vl_video_buffer_max_size(screen);
574 case PIPE_VIDEO_CAP_PREFERED_FORMAT:
575 return PIPE_FORMAT_NV12;
576 case PIPE_VIDEO_CAP_PREFERS_INTERLACED:
577 return false;
578 case PIPE_VIDEO_CAP_SUPPORTS_INTERLACED:
579 return false;
580 case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE:
581 return true;
582 case PIPE_VIDEO_CAP_MAX_LEVEL:
583 return vl_level_supported(screen, profile);
584 default:
585 return 0;
586 }
587 }
588
589 static int si_get_video_param(struct pipe_screen *screen,
590 enum pipe_video_profile profile,
591 enum pipe_video_entrypoint entrypoint,
592 enum pipe_video_cap param)
593 {
594 struct si_screen *sscreen = (struct si_screen *)screen;
595 enum pipe_video_format codec = u_reduce_video_profile(profile);
596
597 if (entrypoint == PIPE_VIDEO_ENTRYPOINT_ENCODE) {
598 switch (param) {
599 case PIPE_VIDEO_CAP_SUPPORTED:
600 return (codec == PIPE_VIDEO_FORMAT_MPEG4_AVC &&
601 (si_vce_is_fw_version_supported(sscreen) ||
602 sscreen->info.family >= CHIP_RAVEN)) ||
603 (profile == PIPE_VIDEO_PROFILE_HEVC_MAIN &&
604 (sscreen->info.family >= CHIP_RAVEN ||
605 si_radeon_uvd_enc_supported(sscreen)));
606 case PIPE_VIDEO_CAP_NPOT_TEXTURES:
607 return 1;
608 case PIPE_VIDEO_CAP_MAX_WIDTH:
609 return (sscreen->info.family < CHIP_TONGA) ? 2048 : 4096;
610 case PIPE_VIDEO_CAP_MAX_HEIGHT:
611 return (sscreen->info.family < CHIP_TONGA) ? 1152 : 2304;
612 case PIPE_VIDEO_CAP_PREFERED_FORMAT:
613 return PIPE_FORMAT_NV12;
614 case PIPE_VIDEO_CAP_PREFERS_INTERLACED:
615 return false;
616 case PIPE_VIDEO_CAP_SUPPORTS_INTERLACED:
617 return false;
618 case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE:
619 return true;
620 case PIPE_VIDEO_CAP_STACKED_FRAMES:
621 return (sscreen->info.family < CHIP_TONGA) ? 1 : 2;
622 default:
623 return 0;
624 }
625 }
626
627 switch (param) {
628 case PIPE_VIDEO_CAP_SUPPORTED:
629 switch (codec) {
630 case PIPE_VIDEO_FORMAT_MPEG12:
631 return profile != PIPE_VIDEO_PROFILE_MPEG1;
632 case PIPE_VIDEO_FORMAT_MPEG4:
633 return 1;
634 case PIPE_VIDEO_FORMAT_MPEG4_AVC:
635 if ((sscreen->info.family == CHIP_POLARIS10 ||
636 sscreen->info.family == CHIP_POLARIS11) &&
637 sscreen->info.uvd_fw_version < UVD_FW_1_66_16 ) {
638 RVID_ERR("POLARIS10/11 firmware version need to be updated.\n");
639 return false;
640 }
641 return true;
642 case PIPE_VIDEO_FORMAT_VC1:
643 return true;
644 case PIPE_VIDEO_FORMAT_HEVC:
645 /* Carrizo only supports HEVC Main */
646 if (sscreen->info.family >= CHIP_STONEY)
647 return (profile == PIPE_VIDEO_PROFILE_HEVC_MAIN ||
648 profile == PIPE_VIDEO_PROFILE_HEVC_MAIN_10);
649 else if (sscreen->info.family >= CHIP_CARRIZO)
650 return profile == PIPE_VIDEO_PROFILE_HEVC_MAIN;
651 return false;
652 case PIPE_VIDEO_FORMAT_JPEG:
653 if (sscreen->info.family >= CHIP_RAVEN)
654 return true;
655 if (sscreen->info.family < CHIP_CARRIZO || sscreen->info.family >= CHIP_VEGA10)
656 return false;
657 if (!(sscreen->info.is_amdgpu && sscreen->info.drm_minor >= 19)) {
658 RVID_ERR("No MJPEG support for the kernel version\n");
659 return false;
660 }
661 return true;
662 case PIPE_VIDEO_FORMAT_VP9:
663 if (sscreen->info.family < CHIP_RAVEN)
664 return false;
665 return true;
666 default:
667 return false;
668 }
669 case PIPE_VIDEO_CAP_NPOT_TEXTURES:
670 return 1;
671 case PIPE_VIDEO_CAP_MAX_WIDTH:
672 return (sscreen->info.family < CHIP_TONGA) ? 2048 : 4096;
673 case PIPE_VIDEO_CAP_MAX_HEIGHT:
674 return (sscreen->info.family < CHIP_TONGA) ? 1152 : 4096;
675 case PIPE_VIDEO_CAP_PREFERED_FORMAT:
676 if (profile == PIPE_VIDEO_PROFILE_HEVC_MAIN_10 ||
677 profile == PIPE_VIDEO_PROFILE_VP9_PROFILE2)
678 return PIPE_FORMAT_P016;
679 else
680 return PIPE_FORMAT_NV12;
681
682 case PIPE_VIDEO_CAP_PREFERS_INTERLACED:
683 case PIPE_VIDEO_CAP_SUPPORTS_INTERLACED: {
684 enum pipe_video_format format = u_reduce_video_profile(profile);
685
686 if (format == PIPE_VIDEO_FORMAT_HEVC)
687 return false; //The firmware doesn't support interlaced HEVC.
688 else if (format == PIPE_VIDEO_FORMAT_JPEG)
689 return false;
690 else if (format == PIPE_VIDEO_FORMAT_VP9)
691 return false;
692 return true;
693 }
694 case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE:
695 return true;
696 case PIPE_VIDEO_CAP_MAX_LEVEL:
697 switch (profile) {
698 case PIPE_VIDEO_PROFILE_MPEG1:
699 return 0;
700 case PIPE_VIDEO_PROFILE_MPEG2_SIMPLE:
701 case PIPE_VIDEO_PROFILE_MPEG2_MAIN:
702 return 3;
703 case PIPE_VIDEO_PROFILE_MPEG4_SIMPLE:
704 return 3;
705 case PIPE_VIDEO_PROFILE_MPEG4_ADVANCED_SIMPLE:
706 return 5;
707 case PIPE_VIDEO_PROFILE_VC1_SIMPLE:
708 return 1;
709 case PIPE_VIDEO_PROFILE_VC1_MAIN:
710 return 2;
711 case PIPE_VIDEO_PROFILE_VC1_ADVANCED:
712 return 4;
713 case PIPE_VIDEO_PROFILE_MPEG4_AVC_BASELINE:
714 case PIPE_VIDEO_PROFILE_MPEG4_AVC_MAIN:
715 case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH:
716 return (sscreen->info.family < CHIP_TONGA) ? 41 : 52;
717 case PIPE_VIDEO_PROFILE_HEVC_MAIN:
718 case PIPE_VIDEO_PROFILE_HEVC_MAIN_10:
719 return 186;
720 default:
721 return 0;
722 }
723 default:
724 return 0;
725 }
726 }
727
728 static bool si_vid_is_format_supported(struct pipe_screen *screen,
729 enum pipe_format format,
730 enum pipe_video_profile profile,
731 enum pipe_video_entrypoint entrypoint)
732 {
733 /* HEVC 10 bit decoding should use P016 instead of NV12 if possible */
734 if (profile == PIPE_VIDEO_PROFILE_HEVC_MAIN_10)
735 return (format == PIPE_FORMAT_NV12) ||
736 (format == PIPE_FORMAT_P016);
737
738 /* Vp9 profile 2 supports 10 bit decoding using P016 */
739 if (profile == PIPE_VIDEO_PROFILE_VP9_PROFILE2)
740 return format == PIPE_FORMAT_P016;
741
742
743 /* we can only handle this one with UVD */
744 if (profile != PIPE_VIDEO_PROFILE_UNKNOWN)
745 return format == PIPE_FORMAT_NV12;
746
747 return vl_video_buffer_is_format_supported(screen, format, profile, entrypoint);
748 }
749
750 static unsigned get_max_threads_per_block(struct si_screen *screen,
751 enum pipe_shader_ir ir_type)
752 {
753 if (ir_type == PIPE_SHADER_IR_NATIVE)
754 return 256;
755
756 /* LLVM 10 only supports 1024 threads per block. */
757 return 1024;
758 }
759
760 static int si_get_compute_param(struct pipe_screen *screen,
761 enum pipe_shader_ir ir_type,
762 enum pipe_compute_cap param,
763 void *ret)
764 {
765 struct si_screen *sscreen = (struct si_screen *)screen;
766
767 //TODO: select these params by asic
768 switch (param) {
769 case PIPE_COMPUTE_CAP_IR_TARGET: {
770 const char *gpu, *triple;
771
772 triple = "amdgcn-mesa-mesa3d";
773 gpu = ac_get_llvm_processor_name(sscreen->info.family);
774 if (ret) {
775 sprintf(ret, "%s-%s", gpu, triple);
776 }
777 /* +2 for dash and terminating NIL byte */
778 return (strlen(triple) + strlen(gpu) + 2) * sizeof(char);
779 }
780 case PIPE_COMPUTE_CAP_GRID_DIMENSION:
781 if (ret) {
782 uint64_t *grid_dimension = ret;
783 grid_dimension[0] = 3;
784 }
785 return 1 * sizeof(uint64_t);
786
787 case PIPE_COMPUTE_CAP_MAX_GRID_SIZE:
788 if (ret) {
789 uint64_t *grid_size = ret;
790 grid_size[0] = 65535;
791 grid_size[1] = 65535;
792 grid_size[2] = 65535;
793 }
794 return 3 * sizeof(uint64_t) ;
795
796 case PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE:
797 if (ret) {
798 uint64_t *block_size = ret;
799 unsigned threads_per_block = get_max_threads_per_block(sscreen, ir_type);
800 block_size[0] = threads_per_block;
801 block_size[1] = threads_per_block;
802 block_size[2] = threads_per_block;
803 }
804 return 3 * sizeof(uint64_t);
805
806 case PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK:
807 if (ret) {
808 uint64_t *max_threads_per_block = ret;
809 *max_threads_per_block = get_max_threads_per_block(sscreen, ir_type);
810 }
811 return sizeof(uint64_t);
812 case PIPE_COMPUTE_CAP_ADDRESS_BITS:
813 if (ret) {
814 uint32_t *address_bits = ret;
815 address_bits[0] = 64;
816 }
817 return 1 * sizeof(uint32_t);
818
819 case PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE:
820 if (ret) {
821 uint64_t *max_global_size = ret;
822 uint64_t max_mem_alloc_size;
823
824 si_get_compute_param(screen, ir_type,
825 PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE,
826 &max_mem_alloc_size);
827
828 /* In OpenCL, the MAX_MEM_ALLOC_SIZE must be at least
829 * 1/4 of the MAX_GLOBAL_SIZE. Since the
830 * MAX_MEM_ALLOC_SIZE is fixed for older kernels,
831 * make sure we never report more than
832 * 4 * MAX_MEM_ALLOC_SIZE.
833 */
834 *max_global_size = MIN2(4 * max_mem_alloc_size,
835 MAX2(sscreen->info.gart_size,
836 sscreen->info.vram_size));
837 }
838 return sizeof(uint64_t);
839
840 case PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE:
841 if (ret) {
842 uint64_t *max_local_size = ret;
843 /* Value reported by the closed source driver. */
844 *max_local_size = 32768;
845 }
846 return sizeof(uint64_t);
847
848 case PIPE_COMPUTE_CAP_MAX_INPUT_SIZE:
849 if (ret) {
850 uint64_t *max_input_size = ret;
851 /* Value reported by the closed source driver. */
852 *max_input_size = 1024;
853 }
854 return sizeof(uint64_t);
855
856 case PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE:
857 if (ret) {
858 uint64_t *max_mem_alloc_size = ret;
859
860 *max_mem_alloc_size = sscreen->info.max_alloc_size;
861 }
862 return sizeof(uint64_t);
863
864 case PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY:
865 if (ret) {
866 uint32_t *max_clock_frequency = ret;
867 *max_clock_frequency = sscreen->info.max_shader_clock;
868 }
869 return sizeof(uint32_t);
870
871 case PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS:
872 if (ret) {
873 uint32_t *max_compute_units = ret;
874 *max_compute_units = sscreen->info.num_good_compute_units;
875 }
876 return sizeof(uint32_t);
877
878 case PIPE_COMPUTE_CAP_IMAGES_SUPPORTED:
879 if (ret) {
880 uint32_t *images_supported = ret;
881 *images_supported = 0;
882 }
883 return sizeof(uint32_t);
884 case PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE:
885 break; /* unused */
886 case PIPE_COMPUTE_CAP_SUBGROUP_SIZE:
887 if (ret) {
888 uint32_t *subgroup_size = ret;
889 *subgroup_size = sscreen->compute_wave_size;
890 }
891 return sizeof(uint32_t);
892 case PIPE_COMPUTE_CAP_MAX_VARIABLE_THREADS_PER_BLOCK:
893 if (ret) {
894 uint64_t *max_variable_threads_per_block = ret;
895 if (ir_type == PIPE_SHADER_IR_NATIVE)
896 *max_variable_threads_per_block = 0;
897 else
898 *max_variable_threads_per_block = SI_MAX_VARIABLE_THREADS_PER_BLOCK;
899 }
900 return sizeof(uint64_t);
901 }
902
903 fprintf(stderr, "unknown PIPE_COMPUTE_CAP %d\n", param);
904 return 0;
905 }
906
907 static uint64_t si_get_timestamp(struct pipe_screen *screen)
908 {
909 struct si_screen *sscreen = (struct si_screen*)screen;
910
911 return 1000000 * sscreen->ws->query_value(sscreen->ws, RADEON_TIMESTAMP) /
912 sscreen->info.clock_crystal_freq;
913 }
914
915 static void si_query_memory_info(struct pipe_screen *screen,
916 struct pipe_memory_info *info)
917 {
918 struct si_screen *sscreen = (struct si_screen*)screen;
919 struct radeon_winsys *ws = sscreen->ws;
920 unsigned vram_usage, gtt_usage;
921
922 info->total_device_memory = sscreen->info.vram_size / 1024;
923 info->total_staging_memory = sscreen->info.gart_size / 1024;
924
925 /* The real TTM memory usage is somewhat random, because:
926 *
927 * 1) TTM delays freeing memory, because it can only free it after
928 * fences expire.
929 *
930 * 2) The memory usage can be really low if big VRAM evictions are
931 * taking place, but the real usage is well above the size of VRAM.
932 *
933 * Instead, return statistics of this process.
934 */
935 vram_usage = ws->query_value(ws, RADEON_VRAM_USAGE) / 1024;
936 gtt_usage = ws->query_value(ws, RADEON_GTT_USAGE) / 1024;
937
938 info->avail_device_memory =
939 vram_usage <= info->total_device_memory ?
940 info->total_device_memory - vram_usage : 0;
941 info->avail_staging_memory =
942 gtt_usage <= info->total_staging_memory ?
943 info->total_staging_memory - gtt_usage : 0;
944
945 info->device_memory_evicted =
946 ws->query_value(ws, RADEON_NUM_BYTES_MOVED) / 1024;
947
948 if (sscreen->info.is_amdgpu && sscreen->info.drm_minor >= 4)
949 info->nr_device_memory_evictions =
950 ws->query_value(ws, RADEON_NUM_EVICTIONS);
951 else
952 /* Just return the number of evicted 64KB pages. */
953 info->nr_device_memory_evictions = info->device_memory_evicted / 64;
954 }
955
956 static struct disk_cache *si_get_disk_shader_cache(struct pipe_screen *pscreen)
957 {
958 struct si_screen *sscreen = (struct si_screen*)pscreen;
959
960 return sscreen->disk_shader_cache;
961 }
962
963 static void si_init_renderer_string(struct si_screen *sscreen)
964 {
965 char first_name[256], second_name[32] = {}, kernel_version[128] = {};
966 struct utsname uname_data;
967
968 if (sscreen->info.marketing_name) {
969 snprintf(first_name, sizeof(first_name), "%s",
970 sscreen->info.marketing_name);
971 snprintf(second_name, sizeof(second_name), "%s, ",
972 sscreen->info.name);
973 } else {
974 snprintf(first_name, sizeof(first_name), "AMD %s",
975 sscreen->info.name);
976 }
977
978 if (uname(&uname_data) == 0)
979 snprintf(kernel_version, sizeof(kernel_version),
980 ", %s", uname_data.release);
981
982 snprintf(sscreen->renderer_string, sizeof(sscreen->renderer_string),
983 "%s (%sDRM %i.%i.%i%s, LLVM " MESA_LLVM_VERSION_STRING ")",
984 first_name, second_name, sscreen->info.drm_major,
985 sscreen->info.drm_minor, sscreen->info.drm_patchlevel,
986 kernel_version);
987 }
988
989 void si_init_screen_get_functions(struct si_screen *sscreen)
990 {
991 sscreen->b.get_name = si_get_name;
992 sscreen->b.get_vendor = si_get_vendor;
993 sscreen->b.get_device_vendor = si_get_device_vendor;
994 sscreen->b.get_param = si_get_param;
995 sscreen->b.get_paramf = si_get_paramf;
996 sscreen->b.get_compute_param = si_get_compute_param;
997 sscreen->b.get_timestamp = si_get_timestamp;
998 sscreen->b.get_shader_param = si_get_shader_param;
999 sscreen->b.get_compiler_options = si_get_compiler_options;
1000 sscreen->b.get_device_uuid = si_get_device_uuid;
1001 sscreen->b.get_driver_uuid = si_get_driver_uuid;
1002 sscreen->b.query_memory_info = si_query_memory_info;
1003 sscreen->b.get_disk_shader_cache = si_get_disk_shader_cache;
1004
1005 if (sscreen->info.has_hw_decode) {
1006 sscreen->b.get_video_param = si_get_video_param;
1007 sscreen->b.is_video_format_supported = si_vid_is_format_supported;
1008 } else {
1009 sscreen->b.get_video_param = si_get_video_param_no_decode;
1010 sscreen->b.is_video_format_supported = vl_video_buffer_is_format_supported;
1011 }
1012
1013 si_init_renderer_string(sscreen);
1014 }