1 /**************************************************************************
3 * Copyright 2008 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
29 #include "util/u_memory.h"
30 #include "util/u_math.h"
31 #include "util/u_cpu_detect.h"
32 #include "util/format/u_format.h"
33 #include "util/u_screen.h"
34 #include "util/u_string.h"
35 #include "util/format/u_format_s3tc.h"
36 #include "pipe/p_defines.h"
37 #include "pipe/p_screen.h"
38 #include "draw/draw_context.h"
39 #include "gallivm/lp_bld_type.h"
40 #include "gallivm/lp_bld_nir.h"
41 #include "util/disk_cache.h"
42 #include "util/os_misc.h"
43 #include "util/os_time.h"
44 #include "lp_texture.h"
47 #include "lp_screen.h"
48 #include "lp_context.h"
50 #include "lp_public.h"
51 #include "lp_limits.h"
53 #include "lp_cs_tpool.h"
55 #include "frontend/sw_winsys.h"
62 static const struct debug_named_value lp_debug_flags
[] = {
63 { "pipe", DEBUG_PIPE
, NULL
},
64 { "tgsi", DEBUG_TGSI
, NULL
},
65 { "tex", DEBUG_TEX
, NULL
},
66 { "setup", DEBUG_SETUP
, NULL
},
67 { "rast", DEBUG_RAST
, NULL
},
68 { "query", DEBUG_QUERY
, NULL
},
69 { "screen", DEBUG_SCREEN
, NULL
},
70 { "counters", DEBUG_COUNTERS
, NULL
},
71 { "scene", DEBUG_SCENE
, NULL
},
72 { "fence", DEBUG_FENCE
, NULL
},
73 { "mem", DEBUG_MEM
, NULL
},
74 { "fs", DEBUG_FS
, NULL
},
75 { "cs", DEBUG_CS
, NULL
},
76 { "tgsi_ir", DEBUG_TGSI_IR
, NULL
},
77 { "cl", DEBUG_CL
, NULL
},
78 { "cache_stats", DEBUG_CACHE_STATS
, NULL
},
84 static const struct debug_named_value lp_perf_flags
[] = {
85 { "texmem", PERF_TEX_MEM
, NULL
},
86 { "no_mipmap", PERF_NO_MIPMAPS
, NULL
},
87 { "no_linear", PERF_NO_LINEAR
, NULL
},
88 { "no_mip_linear", PERF_NO_MIP_LINEAR
, NULL
},
89 { "no_tex", PERF_NO_TEX
, NULL
},
90 { "no_blend", PERF_NO_BLEND
, NULL
},
91 { "no_depth", PERF_NO_DEPTH
, NULL
},
92 { "no_alphatest", PERF_NO_ALPHATEST
, NULL
},
98 llvmpipe_get_vendor(struct pipe_screen
*screen
)
105 llvmpipe_get_name(struct pipe_screen
*screen
)
107 static char buf
[100];
108 snprintf(buf
, sizeof(buf
), "llvmpipe (LLVM " MESA_LLVM_VERSION_STRING
", %u bits)",
109 lp_native_vector_width
);
115 llvmpipe_get_param(struct pipe_screen
*screen
, enum pipe_cap param
)
118 case PIPE_CAP_NPOT_TEXTURES
:
119 case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES
:
120 case PIPE_CAP_MIXED_COLOR_DEPTH_BITS
:
122 case PIPE_CAP_FRAGMENT_SHADER_TEXTURE_LOD
:
123 case PIPE_CAP_FRAGMENT_SHADER_DERIVATIVES
:
124 case PIPE_CAP_VERTEX_SHADER_SATURATE
:
126 case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS
:
128 case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS
:
129 return PIPE_MAX_SO_BUFFERS
;
130 case PIPE_CAP_ANISOTROPIC_FILTER
:
132 case PIPE_CAP_POINT_SPRITE
:
134 case PIPE_CAP_MAX_RENDER_TARGETS
:
135 return PIPE_MAX_COLOR_BUFS
;
136 case PIPE_CAP_OCCLUSION_QUERY
:
138 case PIPE_CAP_QUERY_TIME_ELAPSED
:
140 case PIPE_CAP_QUERY_TIMESTAMP
:
142 case PIPE_CAP_QUERY_PIPELINE_STATISTICS
:
144 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
145 case PIPE_CAP_TEXTURE_MIRROR_CLAMP_TO_EDGE
:
147 case PIPE_CAP_TEXTURE_SWIZZLE
:
149 case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK
:
150 case PIPE_CAP_MAX_TEXTURE_UPLOAD_MEMORY_BUDGET
:
152 case PIPE_CAP_MAX_TEXTURE_2D_SIZE
:
153 return 1 << (LP_MAX_TEXTURE_2D_LEVELS
- 1);
154 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
155 return LP_MAX_TEXTURE_3D_LEVELS
;
156 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
157 return LP_MAX_TEXTURE_CUBE_LEVELS
;
158 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS
:
159 return LP_MAX_TEXTURE_ARRAY_LAYERS
;
160 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
162 case PIPE_CAP_INDEP_BLEND_ENABLE
:
164 case PIPE_CAP_INDEP_BLEND_FUNC
:
166 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
167 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
168 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
170 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
171 case PIPE_CAP_DEPTH_CLIP_DISABLE_SEPARATE
:
173 case PIPE_CAP_PRIMITIVE_RESTART
:
174 case PIPE_CAP_PRIMITIVE_RESTART_FIXED_INDEX
:
176 case PIPE_CAP_DEPTH_CLIP_DISABLE
:
178 case PIPE_CAP_SHADER_STENCIL_EXPORT
:
180 case PIPE_CAP_TGSI_INSTANCEID
:
181 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR
:
182 case PIPE_CAP_START_INSTANCE
:
184 case PIPE_CAP_FRAGMENT_COLOR_CLAMPED
:
186 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS
:
188 case PIPE_CAP_SEAMLESS_CUBE_MAP
:
189 case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE
:
191 /* this is a lie could support arbitrary large offsets */
192 case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET
:
193 case PIPE_CAP_MIN_TEXEL_OFFSET
:
195 case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET
:
196 case PIPE_CAP_MAX_TEXEL_OFFSET
:
198 case PIPE_CAP_CONDITIONAL_RENDER
:
199 case PIPE_CAP_TEXTURE_BARRIER
:
201 case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS
:
202 case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS
:
204 case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES
:
205 case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS
:
207 case PIPE_CAP_MAX_VERTEX_STREAMS
: {
208 struct llvmpipe_screen
*lscreen
= llvmpipe_screen(screen
);
209 return lscreen
->use_tgsi
? 1 : 4;
211 case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE
:
213 case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME
:
214 case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS
:
216 case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS
:
218 case PIPE_CAP_VERTEX_COLOR_UNCLAMPED
:
219 case PIPE_CAP_VERTEX_COLOR_CLAMPED
:
221 case PIPE_CAP_GLSL_FEATURE_LEVEL
:
223 case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY
:
225 case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION
:
227 case PIPE_CAP_COMPUTE
:
228 return GALLIVM_HAVE_CORO
;
229 case PIPE_CAP_USER_VERTEX_BUFFERS
:
231 case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY
:
232 case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY
:
233 case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY
:
235 case PIPE_CAP_TGSI_TEXCOORD
:
236 case PIPE_CAP_DRAW_INDIRECT
:
239 case PIPE_CAP_CUBE_MAP_ARRAY
:
241 case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT
:
243 case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT
:
245 case PIPE_CAP_TEXTURE_BUFFER_OBJECTS
:
247 case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE
:
249 case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT
:
251 case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER
:
253 case PIPE_CAP_MAX_VIEWPORTS
:
254 return PIPE_MAX_VIEWPORTS
;
255 case PIPE_CAP_ENDIANNESS
:
256 return PIPE_ENDIAN_NATIVE
;
257 case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT
:
259 case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT
:
261 case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS
:
263 case PIPE_CAP_TEXTURE_GATHER_SM5
:
264 case PIPE_CAP_TEXTURE_GATHER_OFFSETS
:
266 case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION
:
268 case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE
:
270 case PIPE_CAP_TGSI_TEX_TXF_LZ
:
271 case PIPE_CAP_SAMPLER_VIEW_TARGET
:
273 case PIPE_CAP_FAKE_SW_MSAA
: {
274 struct llvmpipe_screen
*lscreen
= llvmpipe_screen(screen
);
275 return lscreen
->use_tgsi
? 1 : 0;
277 case PIPE_CAP_TEXTURE_QUERY_LOD
:
278 case PIPE_CAP_CONDITIONAL_RENDER_INVERTED
:
279 case PIPE_CAP_TGSI_ARRAY_COMPONENTS
:
280 case PIPE_CAP_DOUBLES
:
282 case PIPE_CAP_INT64_DIVMOD
:
283 case PIPE_CAP_QUERY_SO_OVERFLOW
:
284 case PIPE_CAP_TGSI_DIV
:
287 case PIPE_CAP_VENDOR_ID
:
289 case PIPE_CAP_DEVICE_ID
:
291 case PIPE_CAP_ACCELERATED
:
293 case PIPE_CAP_VIDEO_MEMORY
: {
294 /* XXX: Do we want to return the full amount fo system memory ? */
295 uint64_t system_memory
;
297 if (!os_get_total_physical_memory(&system_memory
))
300 if (sizeof(void *) == 4)
301 /* Cap to 2 GB on 32 bits system. We do this because llvmpipe does
302 * eat application memory, which is quite limited on 32 bits. App
303 * shouldn't expect too much available memory. */
304 system_memory
= MIN2(system_memory
, 2048 << 20);
306 return (int)(system_memory
>> 20);
310 case PIPE_CAP_CLIP_HALFZ
:
312 case PIPE_CAP_VERTEXID_NOBASE
:
314 case PIPE_CAP_POLYGON_OFFSET_CLAMP
:
315 case PIPE_CAP_TEXTURE_FLOAT_LINEAR
:
316 case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR
:
318 case PIPE_CAP_CULL_DISTANCE
:
320 case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS
:
322 case PIPE_CAP_CLEAR_TEXTURE
:
324 case PIPE_CAP_MAX_VARYINGS
:
326 case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT
:
328 case PIPE_CAP_QUERY_BUFFER_OBJECT
:
330 case PIPE_CAP_DRAW_PARAMETERS
:
332 case PIPE_CAP_MULTI_DRAW_INDIRECT
:
333 case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS
:
335 case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS
:
337 case PIPE_CAP_RASTERIZER_SUBPIXEL_BITS
:
339 case PIPE_CAP_MULTISAMPLE_Z_RESOLVE
:
340 case PIPE_CAP_RESOURCE_FROM_USER_MEMORY
:
341 case PIPE_CAP_DEVICE_RESET_STATUS_QUERY
:
342 case PIPE_CAP_DEPTH_BOUNDS_TEST
:
343 case PIPE_CAP_FORCE_PERSAMPLE_INTERP
:
344 case PIPE_CAP_SHAREABLE_SHADERS
:
345 case PIPE_CAP_TGSI_PACK_HALF_FLOAT
:
346 case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL
:
347 case PIPE_CAP_INVALIDATE_BUFFER
:
348 case PIPE_CAP_GENERATE_MIPMAP
:
349 case PIPE_CAP_STRING_MARKER
:
350 case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY
:
351 case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS
:
352 case PIPE_CAP_QUERY_MEMORY_INFO
:
353 case PIPE_CAP_PCI_GROUP
:
354 case PIPE_CAP_PCI_BUS
:
355 case PIPE_CAP_PCI_DEVICE
:
356 case PIPE_CAP_PCI_FUNCTION
:
357 case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR
:
358 case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES
:
359 case PIPE_CAP_MAX_WINDOW_RECTANGLES
:
360 case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED
:
361 case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS
:
362 case PIPE_CAP_TGSI_CAN_READ_OUTPUTS
:
363 case PIPE_CAP_NATIVE_FENCE_FD
:
364 case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY
:
365 case PIPE_CAP_FBFETCH
:
366 case PIPE_CAP_TGSI_MUL_ZERO_WINS
:
367 case PIPE_CAP_TGSI_CLOCK
:
368 case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE
:
369 case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE
:
370 case PIPE_CAP_TGSI_BALLOT
:
371 case PIPE_CAP_TGSI_TES_LAYER_VIEWPORT
:
372 case PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX
:
373 case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION
:
374 case PIPE_CAP_POST_DEPTH_COVERAGE
:
375 case PIPE_CAP_BINDLESS_TEXTURE
:
376 case PIPE_CAP_NIR_SAMPLERS_AS_DEREF
:
377 case PIPE_CAP_MEMOBJ
:
378 case PIPE_CAP_TGSI_ANY_REG_AS_ADDRESS
:
379 case PIPE_CAP_TILE_RASTER_ORDER
:
380 case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES
:
381 case PIPE_CAP_FRAMEBUFFER_MSAA_CONSTRAINTS
:
382 case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET
:
383 case PIPE_CAP_CONTEXT_PRIORITY_MASK
:
384 case PIPE_CAP_FENCE_SIGNAL
:
385 case PIPE_CAP_CONSTBUF0_FLAGS
:
386 case PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_TRIANGLES
:
387 case PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_POINTS_LINES
:
388 case PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_TRIANGLES
:
389 case PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_POINTS_LINES
:
390 case PIPE_CAP_CONSERVATIVE_RASTER_POST_DEPTH_COVERAGE
:
391 case PIPE_CAP_MAX_CONSERVATIVE_RASTER_SUBPIXEL_PRECISION_BIAS
:
392 case PIPE_CAP_PROGRAMMABLE_SAMPLE_LOCATIONS
:
394 case PIPE_CAP_MAX_GS_INVOCATIONS
:
396 case PIPE_CAP_MAX_SHADER_BUFFER_SIZE
:
397 return LP_MAX_TGSI_SHADER_BUFFER_SIZE
;
398 case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT
:
399 case PIPE_CAP_TGSI_TG4_COMPONENT_IN_SWIZZLE
:
400 case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL
:
402 case PIPE_CAP_TGSI_TXQS
:
403 case PIPE_CAP_TGSI_VOTE
:
404 case PIPE_CAP_LOAD_CONSTBUF
:
405 case PIPE_CAP_TEXTURE_MULTISAMPLE
:
406 case PIPE_CAP_SAMPLE_SHADING
:
407 case PIPE_CAP_PACKED_UNIFORMS
: {
408 struct llvmpipe_screen
*lscreen
= llvmpipe_screen(screen
);
409 return !lscreen
->use_tgsi
;
412 return u_pipe_screen_get_param_defaults(screen
, param
);
417 llvmpipe_get_shader_param(struct pipe_screen
*screen
,
418 enum pipe_shader_type shader
,
419 enum pipe_shader_cap param
)
421 struct llvmpipe_screen
*lscreen
= llvmpipe_screen(screen
);
424 case PIPE_SHADER_COMPUTE
:
425 if ((LP_DEBUG
& DEBUG_CL
) && param
== PIPE_SHADER_CAP_SUPPORTED_IRS
)
426 return (1 << PIPE_SHADER_IR_TGSI
) | (1 << PIPE_SHADER_IR_NIR
) | (1 << PIPE_SHADER_IR_NIR_SERIALIZED
);
428 case PIPE_SHADER_FRAGMENT
:
429 if (param
== PIPE_SHADER_CAP_PREFERRED_IR
) {
430 if (lscreen
->use_tgsi
)
431 return PIPE_SHADER_IR_TGSI
;
433 return PIPE_SHADER_IR_NIR
;
437 return gallivm_get_shader_param(param
);
440 case PIPE_SHADER_TESS_CTRL
:
441 case PIPE_SHADER_TESS_EVAL
:
442 /* Tessellation shader needs llvm coroutines support */
443 if (!GALLIVM_HAVE_CORO
|| lscreen
->use_tgsi
)
446 case PIPE_SHADER_VERTEX
:
447 case PIPE_SHADER_GEOMETRY
:
448 if (param
== PIPE_SHADER_CAP_PREFERRED_IR
) {
449 if (lscreen
->use_tgsi
)
450 return PIPE_SHADER_IR_TGSI
;
452 return PIPE_SHADER_IR_NIR
;
456 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS
:
457 /* At this time, the draw module and llvmpipe driver only
458 * support vertex shader texture lookups when LLVM is enabled in
461 if (debug_get_bool_option("DRAW_USE_LLVM", TRUE
))
462 return PIPE_MAX_SAMPLERS
;
465 case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS
:
466 if (debug_get_bool_option("DRAW_USE_LLVM", TRUE
))
467 return PIPE_MAX_SHADER_SAMPLER_VIEWS
;
471 return draw_get_shader_param(shader
, param
);
479 llvmpipe_get_paramf(struct pipe_screen
*screen
, enum pipe_capf param
)
482 case PIPE_CAPF_MAX_LINE_WIDTH
:
484 case PIPE_CAPF_MAX_LINE_WIDTH_AA
:
485 return 255.0; /* arbitrary */
486 case PIPE_CAPF_MAX_POINT_WIDTH
:
488 case PIPE_CAPF_MAX_POINT_WIDTH_AA
:
489 return LP_MAX_POINT_WIDTH
; /* arbitrary */
490 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY
:
491 return 16.0; /* not actually signficant at this time */
492 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS
:
493 return 16.0; /* arbitrary */
494 case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE
:
496 case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE
:
498 case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY
:
501 /* should only get here on unhandled cases */
502 debug_printf("Unexpected PIPE_CAP %d query\n", param
);
507 llvmpipe_get_compute_param(struct pipe_screen
*_screen
,
508 enum pipe_shader_ir ir_type
,
509 enum pipe_compute_cap param
,
513 case PIPE_COMPUTE_CAP_IR_TARGET
:
515 case PIPE_COMPUTE_CAP_MAX_GRID_SIZE
:
517 uint64_t *grid_size
= ret
;
518 grid_size
[0] = 65535;
519 grid_size
[1] = 65535;
520 grid_size
[2] = 65535;
522 return 3 * sizeof(uint64_t) ;
523 case PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE
:
525 uint64_t *block_size
= ret
;
526 block_size
[0] = 1024;
527 block_size
[1] = 1024;
528 block_size
[2] = 1024;
530 return 3 * sizeof(uint64_t);
531 case PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK
:
533 uint64_t *max_threads_per_block
= ret
;
534 *max_threads_per_block
= 1024;
536 return sizeof(uint64_t);
537 case PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE
:
539 uint64_t *max_local_size
= ret
;
540 *max_local_size
= 32768;
542 return sizeof(uint64_t);
543 case PIPE_COMPUTE_CAP_GRID_DIMENSION
:
545 uint32_t *grid_dim
= ret
;
548 return sizeof(uint32_t);
549 case PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE
:
551 uint64_t *max_global_size
= ret
;
552 *max_global_size
= (1ULL << 31);
554 return sizeof(uint64_t);
555 case PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE
:
557 uint64_t *max_mem_alloc_size
= ret
;
558 *max_mem_alloc_size
= (1ULL << 31);
560 return sizeof(uint64_t);
561 case PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE
:
563 uint64_t *max_private
= ret
;
564 *max_private
= (1UL << 31);
566 return sizeof(uint64_t);
567 case PIPE_COMPUTE_CAP_MAX_INPUT_SIZE
:
569 uint64_t *max_input
= ret
;
572 return sizeof(uint64_t);
573 case PIPE_COMPUTE_CAP_IMAGES_SUPPORTED
:
575 uint32_t *images
= ret
;
578 return sizeof(uint32_t);
579 case PIPE_COMPUTE_CAP_MAX_VARIABLE_THREADS_PER_BLOCK
:
581 case PIPE_COMPUTE_CAP_SUBGROUP_SIZE
:
583 uint32_t *subgroup_size
= ret
;
586 return sizeof(uint32_t);
587 case PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS
:
589 uint32_t *max_compute_units
= ret
;
590 *max_compute_units
= 8;
592 return sizeof(uint32_t);
593 case PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY
:
595 uint32_t *max_clock_freq
= ret
;
596 *max_clock_freq
= 300;
598 return sizeof(uint32_t);
599 case PIPE_COMPUTE_CAP_ADDRESS_BITS
:
601 uint32_t *address_bits
= ret
;
604 return sizeof(uint32_t);
609 static const struct nir_shader_compiler_options gallivm_nir_options
= {
611 .lower_flrp32
= true,
612 .lower_flrp64
= true,
614 .lower_bitfield_insert_to_shifts
= true,
615 .lower_bitfield_extract_to_shifts
= true,
620 .lower_add_sat
= true,
621 .lower_pack_snorm_2x16
= true,
622 .lower_pack_snorm_4x8
= true,
623 .lower_pack_unorm_2x16
= true,
624 .lower_pack_unorm_4x8
= true,
625 .lower_unpack_snorm_2x16
= true,
626 .lower_unpack_snorm_4x8
= true,
627 .lower_unpack_unorm_2x16
= true,
628 .lower_unpack_unorm_4x8
= true,
629 .lower_extract_byte
= true,
630 .lower_extract_word
= true,
631 .lower_rotate
= true,
632 .lower_ifind_msb
= true,
633 .max_unroll_iterations
= 32,
634 .use_interpolated_input_intrinsics
= true,
635 .lower_to_scalar
= true,
639 llvmpipe_finalize_nir(struct pipe_screen
*screen
,
643 struct nir_shader
*nir
= (struct nir_shader
*)nirptr
;
644 lp_build_opt_nir(nir
);
647 static inline const void *
648 llvmpipe_get_compiler_options(struct pipe_screen
*screen
,
649 enum pipe_shader_ir ir
,
650 enum pipe_shader_type shader
)
652 assert(ir
== PIPE_SHADER_IR_NIR
);
653 return &gallivm_nir_options
;
657 * Query format support for creating a texture, drawing surface, etc.
658 * \param format the format to test
659 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
662 llvmpipe_is_format_supported( struct pipe_screen
*_screen
,
663 enum pipe_format format
,
664 enum pipe_texture_target target
,
665 unsigned sample_count
,
666 unsigned storage_sample_count
,
669 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
670 struct sw_winsys
*winsys
= screen
->winsys
;
671 const struct util_format_description
*format_desc
;
673 format_desc
= util_format_description(format
);
677 assert(target
== PIPE_BUFFER
||
678 target
== PIPE_TEXTURE_1D
||
679 target
== PIPE_TEXTURE_1D_ARRAY
||
680 target
== PIPE_TEXTURE_2D
||
681 target
== PIPE_TEXTURE_2D_ARRAY
||
682 target
== PIPE_TEXTURE_RECT
||
683 target
== PIPE_TEXTURE_3D
||
684 target
== PIPE_TEXTURE_CUBE
||
685 target
== PIPE_TEXTURE_CUBE_ARRAY
);
687 if (sample_count
!= 0 && sample_count
!= 1 && sample_count
!= 4)
690 if (MAX2(1, sample_count
) != MAX2(1, storage_sample_count
))
693 if (bind
& PIPE_BIND_RENDER_TARGET
) {
694 if (format_desc
->colorspace
== UTIL_FORMAT_COLORSPACE_SRGB
) {
695 /* this is a lie actually other formats COULD exist where we would fail */
696 if (format_desc
->nr_channels
< 3)
699 else if (format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_RGB
)
702 if (format_desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
&&
703 format
!= PIPE_FORMAT_R11G11B10_FLOAT
)
706 assert(format_desc
->block
.width
== 1);
707 assert(format_desc
->block
.height
== 1);
709 if (format_desc
->is_mixed
)
712 if (!format_desc
->is_array
&& !format_desc
->is_bitmask
&&
713 format
!= PIPE_FORMAT_R11G11B10_FLOAT
)
717 if ((bind
& (PIPE_BIND_RENDER_TARGET
| PIPE_BIND_SAMPLER_VIEW
)) &&
718 ((bind
& PIPE_BIND_DISPLAY_TARGET
) == 0)) {
719 /* Disable all 3-channel formats, where channel size != 32 bits.
720 * In some cases we run into crashes (in generate_unswizzled_blend()),
721 * for 3-channel RGB16 variants, there was an apparent LLVM bug.
722 * In any case, disabling the shallower 3-channel formats avoids a
723 * number of issues with GL_ARB_copy_image support.
725 if (format_desc
->is_array
&&
726 format_desc
->nr_channels
== 3 &&
727 format_desc
->block
.bits
!= 96) {
732 if (bind
& PIPE_BIND_DISPLAY_TARGET
) {
733 if(!winsys
->is_displaytarget_format_supported(winsys
, bind
, format
))
737 if (bind
& PIPE_BIND_DEPTH_STENCIL
) {
738 if (format_desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
)
741 if (format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
)
745 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_ASTC
||
746 format_desc
->layout
== UTIL_FORMAT_LAYOUT_ATC
||
747 format_desc
->layout
== UTIL_FORMAT_LAYOUT_FXT1
) {
748 /* Software decoding is not hooked up. */
752 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_ETC
&&
753 format
!= PIPE_FORMAT_ETC1_RGB8
)
757 * Everything can be supported by u_format
758 * (those without fetch_rgba_float might be not but shouldn't hit that)
768 llvmpipe_flush_frontbuffer(struct pipe_screen
*_screen
,
769 struct pipe_resource
*resource
,
770 unsigned level
, unsigned layer
,
771 void *context_private
,
772 struct pipe_box
*sub_box
)
774 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
775 struct sw_winsys
*winsys
= screen
->winsys
;
776 struct llvmpipe_resource
*texture
= llvmpipe_resource(resource
);
780 winsys
->displaytarget_display(winsys
, texture
->dt
, context_private
, sub_box
);
784 llvmpipe_destroy_screen( struct pipe_screen
*_screen
)
786 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
787 struct sw_winsys
*winsys
= screen
->winsys
;
789 if (screen
->cs_tpool
)
790 lp_cs_tpool_destroy(screen
->cs_tpool
);
793 lp_rast_destroy(screen
->rast
);
795 lp_jit_screen_cleanup(screen
);
797 if (LP_DEBUG
& DEBUG_CACHE_STATS
)
798 printf("disk shader cache: hits = %u, misses = %u\n", screen
->num_disk_shader_cache_hits
,
799 screen
->num_disk_shader_cache_misses
);
800 disk_cache_destroy(screen
->disk_shader_cache
);
802 winsys
->destroy(winsys
);
804 glsl_type_singleton_decref();
806 mtx_destroy(&screen
->rast_mutex
);
807 mtx_destroy(&screen
->cs_mutex
);
815 * Fence reference counting.
818 llvmpipe_fence_reference(struct pipe_screen
*screen
,
819 struct pipe_fence_handle
**ptr
,
820 struct pipe_fence_handle
*fence
)
822 struct lp_fence
**old
= (struct lp_fence
**) ptr
;
823 struct lp_fence
*f
= (struct lp_fence
*) fence
;
825 lp_fence_reference(old
, f
);
830 * Wait for the fence to finish.
833 llvmpipe_fence_finish(struct pipe_screen
*screen
,
834 struct pipe_context
*ctx
,
835 struct pipe_fence_handle
*fence_handle
,
838 struct lp_fence
*f
= (struct lp_fence
*) fence_handle
;
841 return lp_fence_signalled(f
);
843 if (!lp_fence_signalled(f
)) {
844 if (timeout
!= PIPE_TIMEOUT_INFINITE
)
845 return lp_fence_timedwait(f
, timeout
);
853 llvmpipe_get_timestamp(struct pipe_screen
*_screen
)
855 return os_time_get_nano();
858 static void lp_disk_cache_create(struct llvmpipe_screen
*screen
)
860 struct mesa_sha1 ctx
;
861 unsigned char sha1
[20];
862 char cache_id
[20 * 2 + 1];
863 _mesa_sha1_init(&ctx
);
865 if (!disk_cache_get_function_identifier(lp_disk_cache_create
, &ctx
) ||
866 !disk_cache_get_function_identifier(LLVMLinkInMCJIT
, &ctx
))
869 _mesa_sha1_final(&ctx
, sha1
);
870 disk_cache_format_hex_id(cache_id
, sha1
, 20 * 2);
872 screen
->disk_shader_cache
= disk_cache_create("llvmpipe", cache_id
, 0);
875 static struct disk_cache
*lp_get_disk_shader_cache(struct pipe_screen
*_screen
)
877 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
879 return screen
->disk_shader_cache
;
882 void lp_disk_cache_find_shader(struct llvmpipe_screen
*screen
,
883 struct lp_cached_code
*cache
,
884 unsigned char ir_sha1_cache_key
[20])
886 unsigned char sha1
[CACHE_KEY_SIZE
];
888 if (!screen
->disk_shader_cache
)
890 disk_cache_compute_key(screen
->disk_shader_cache
, ir_sha1_cache_key
, 20, sha1
);
893 uint8_t *buffer
= disk_cache_get(screen
->disk_shader_cache
, sha1
, &binary_size
);
895 cache
->data_size
= 0;
896 p_atomic_inc(&screen
->num_disk_shader_cache_misses
);
899 cache
->data_size
= binary_size
;
900 cache
->data
= buffer
;
901 p_atomic_inc(&screen
->num_disk_shader_cache_hits
);
904 void lp_disk_cache_insert_shader(struct llvmpipe_screen
*screen
,
905 struct lp_cached_code
*cache
,
906 unsigned char ir_sha1_cache_key
[20])
908 unsigned char sha1
[CACHE_KEY_SIZE
];
910 if (!screen
->disk_shader_cache
|| !cache
->data_size
|| cache
->dont_cache
)
912 disk_cache_compute_key(screen
->disk_shader_cache
, ir_sha1_cache_key
, 20, sha1
);
913 disk_cache_put(screen
->disk_shader_cache
, sha1
, cache
->data
, cache
->data_size
, NULL
);
916 * Create a new pipe_screen object
917 * Note: we're not presently subclassing pipe_screen (no llvmpipe_screen).
920 llvmpipe_create_screen(struct sw_winsys
*winsys
)
922 struct llvmpipe_screen
*screen
;
926 glsl_type_singleton_init_or_ref();
929 LP_DEBUG
= debug_get_flags_option("LP_DEBUG", lp_debug_flags
, 0 );
932 LP_PERF
= debug_get_flags_option("LP_PERF", lp_perf_flags
, 0 );
934 screen
= CALLOC_STRUCT(llvmpipe_screen
);
938 if (!lp_jit_screen_init(screen
)) {
943 screen
->winsys
= winsys
;
945 screen
->base
.destroy
= llvmpipe_destroy_screen
;
947 screen
->base
.get_name
= llvmpipe_get_name
;
948 screen
->base
.get_vendor
= llvmpipe_get_vendor
;
949 screen
->base
.get_device_vendor
= llvmpipe_get_vendor
; // TODO should be the CPU vendor
950 screen
->base
.get_param
= llvmpipe_get_param
;
951 screen
->base
.get_shader_param
= llvmpipe_get_shader_param
;
952 screen
->base
.get_compute_param
= llvmpipe_get_compute_param
;
953 screen
->base
.get_paramf
= llvmpipe_get_paramf
;
954 screen
->base
.get_compiler_options
= llvmpipe_get_compiler_options
;
955 screen
->base
.is_format_supported
= llvmpipe_is_format_supported
;
957 screen
->base
.context_create
= llvmpipe_create_context
;
958 screen
->base
.flush_frontbuffer
= llvmpipe_flush_frontbuffer
;
959 screen
->base
.fence_reference
= llvmpipe_fence_reference
;
960 screen
->base
.fence_finish
= llvmpipe_fence_finish
;
962 screen
->base
.get_timestamp
= llvmpipe_get_timestamp
;
964 screen
->base
.finalize_nir
= llvmpipe_finalize_nir
;
966 screen
->base
.get_disk_shader_cache
= lp_get_disk_shader_cache
;
967 llvmpipe_init_screen_resource_funcs(&screen
->base
);
969 screen
->use_tgsi
= (LP_DEBUG
& DEBUG_TGSI_IR
);
970 screen
->num_threads
= util_cpu_caps
.nr_cpus
> 1 ? util_cpu_caps
.nr_cpus
: 0;
971 #ifdef EMBEDDED_DEVICE
972 screen
->num_threads
= 0;
974 screen
->num_threads
= debug_get_num_option("LP_NUM_THREADS", screen
->num_threads
);
975 screen
->num_threads
= MIN2(screen
->num_threads
, LP_MAX_THREADS
);
977 screen
->rast
= lp_rast_create(screen
->num_threads
);
979 lp_jit_screen_cleanup(screen
);
983 (void) mtx_init(&screen
->rast_mutex
, mtx_plain
);
985 screen
->cs_tpool
= lp_cs_tpool_create(screen
->num_threads
);
986 if (!screen
->cs_tpool
) {
987 lp_rast_destroy(screen
->rast
);
988 lp_jit_screen_cleanup(screen
);
992 (void) mtx_init(&screen
->cs_mutex
, mtx_plain
);
994 lp_disk_cache_create(screen
);
995 return &screen
->base
;