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"
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 "state_tracker/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 { "nir", DEBUG_NIR
, NULL
},
82 static const struct debug_named_value lp_perf_flags
[] = {
83 { "texmem", PERF_TEX_MEM
, NULL
},
84 { "no_mipmap", PERF_NO_MIPMAPS
, NULL
},
85 { "no_linear", PERF_NO_LINEAR
, NULL
},
86 { "no_mip_linear", PERF_NO_MIP_LINEAR
, NULL
},
87 { "no_tex", PERF_NO_TEX
, NULL
},
88 { "no_blend", PERF_NO_BLEND
, NULL
},
89 { "no_depth", PERF_NO_DEPTH
, NULL
},
90 { "no_alphatest", PERF_NO_ALPHATEST
, NULL
},
96 llvmpipe_get_vendor(struct pipe_screen
*screen
)
98 return "VMware, Inc.";
103 llvmpipe_get_name(struct pipe_screen
*screen
)
105 static char buf
[100];
106 snprintf(buf
, sizeof(buf
), "llvmpipe (LLVM " MESA_LLVM_VERSION_STRING
", %u bits)",
107 lp_native_vector_width
);
113 llvmpipe_get_param(struct pipe_screen
*screen
, enum pipe_cap param
)
116 case PIPE_CAP_NPOT_TEXTURES
:
117 case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES
:
118 case PIPE_CAP_MIXED_COLOR_DEPTH_BITS
:
120 case PIPE_CAP_FRAGMENT_SHADER_TEXTURE_LOD
:
121 case PIPE_CAP_FRAGMENT_SHADER_DERIVATIVES
:
122 case PIPE_CAP_VERTEX_SHADER_SATURATE
:
124 case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS
:
126 case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS
:
127 return PIPE_MAX_SO_BUFFERS
;
128 case PIPE_CAP_ANISOTROPIC_FILTER
:
130 case PIPE_CAP_POINT_SPRITE
:
132 case PIPE_CAP_MAX_RENDER_TARGETS
:
133 return PIPE_MAX_COLOR_BUFS
;
134 case PIPE_CAP_OCCLUSION_QUERY
:
136 case PIPE_CAP_QUERY_TIME_ELAPSED
:
138 case PIPE_CAP_QUERY_TIMESTAMP
:
140 case PIPE_CAP_QUERY_PIPELINE_STATISTICS
:
142 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
143 case PIPE_CAP_TEXTURE_MIRROR_CLAMP_TO_EDGE
:
145 case PIPE_CAP_TEXTURE_SWIZZLE
:
147 case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK
:
148 case PIPE_CAP_MAX_TEXTURE_UPLOAD_MEMORY_BUDGET
:
150 case PIPE_CAP_MAX_TEXTURE_2D_SIZE
:
151 return 1 << (LP_MAX_TEXTURE_2D_LEVELS
- 1);
152 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
153 return LP_MAX_TEXTURE_3D_LEVELS
;
154 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
155 return LP_MAX_TEXTURE_CUBE_LEVELS
;
156 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS
:
157 return LP_MAX_TEXTURE_ARRAY_LAYERS
;
158 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
160 case PIPE_CAP_INDEP_BLEND_ENABLE
:
162 case PIPE_CAP_INDEP_BLEND_FUNC
:
164 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
165 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
166 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
168 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
169 case PIPE_CAP_DEPTH_CLIP_DISABLE_SEPARATE
:
171 case PIPE_CAP_PRIMITIVE_RESTART
:
173 case PIPE_CAP_DEPTH_CLIP_DISABLE
:
175 case PIPE_CAP_SHADER_STENCIL_EXPORT
:
177 case PIPE_CAP_TGSI_INSTANCEID
:
178 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR
:
179 case PIPE_CAP_START_INSTANCE
:
181 case PIPE_CAP_FRAGMENT_COLOR_CLAMPED
:
183 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS
:
185 case PIPE_CAP_SEAMLESS_CUBE_MAP
:
186 case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE
:
188 /* this is a lie could support arbitrary large offsets */
189 case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET
:
190 case PIPE_CAP_MIN_TEXEL_OFFSET
:
192 case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET
:
193 case PIPE_CAP_MAX_TEXEL_OFFSET
:
195 case PIPE_CAP_CONDITIONAL_RENDER
:
197 case PIPE_CAP_TEXTURE_BARRIER
:
199 case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS
:
200 case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS
:
202 case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES
:
203 case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS
:
205 case PIPE_CAP_MAX_VERTEX_STREAMS
:
207 case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE
:
209 case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME
:
210 case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS
:
212 case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS
:
214 case PIPE_CAP_VERTEX_COLOR_UNCLAMPED
:
215 case PIPE_CAP_VERTEX_COLOR_CLAMPED
:
217 case PIPE_CAP_GLSL_FEATURE_LEVEL
:
219 case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY
:
221 case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION
:
223 case PIPE_CAP_COMPUTE
:
224 return GALLIVM_HAVE_CORO
;
225 case PIPE_CAP_USER_VERTEX_BUFFERS
:
227 case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY
:
228 case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY
:
229 case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY
:
231 case PIPE_CAP_TGSI_TEXCOORD
:
232 case PIPE_CAP_DRAW_INDIRECT
:
235 case PIPE_CAP_CUBE_MAP_ARRAY
:
237 case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT
:
239 case PIPE_CAP_TEXTURE_MULTISAMPLE
:
241 case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT
:
243 case PIPE_CAP_TEXTURE_BUFFER_OBJECTS
:
245 case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE
:
247 case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT
:
249 case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER
:
251 case PIPE_CAP_MAX_VIEWPORTS
:
252 return PIPE_MAX_VIEWPORTS
;
253 case PIPE_CAP_ENDIANNESS
:
254 return PIPE_ENDIAN_NATIVE
;
255 case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT
:
257 case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT
:
259 case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS
:
261 case PIPE_CAP_TEXTURE_GATHER_SM5
:
262 case PIPE_CAP_SAMPLE_SHADING
:
263 case PIPE_CAP_TEXTURE_GATHER_OFFSETS
:
265 case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION
:
267 case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE
:
269 case PIPE_CAP_TGSI_TEX_TXF_LZ
:
270 case PIPE_CAP_SAMPLER_VIEW_TARGET
:
272 case PIPE_CAP_FAKE_SW_MSAA
:
274 case PIPE_CAP_TEXTURE_QUERY_LOD
:
275 case PIPE_CAP_CONDITIONAL_RENDER_INVERTED
:
276 case PIPE_CAP_TGSI_ARRAY_COMPONENTS
:
277 case PIPE_CAP_DOUBLES
:
279 case PIPE_CAP_INT64_DIVMOD
:
280 case PIPE_CAP_QUERY_SO_OVERFLOW
:
281 case PIPE_CAP_TGSI_DIV
:
284 case PIPE_CAP_VENDOR_ID
:
286 case PIPE_CAP_DEVICE_ID
:
288 case PIPE_CAP_ACCELERATED
:
290 case PIPE_CAP_VIDEO_MEMORY
: {
291 /* XXX: Do we want to return the full amount fo system memory ? */
292 uint64_t system_memory
;
294 if (!os_get_total_physical_memory(&system_memory
))
297 if (sizeof(void *) == 4)
298 /* Cap to 2 GB on 32 bits system. We do this because llvmpipe does
299 * eat application memory, which is quite limited on 32 bits. App
300 * shouldn't expect too much available memory. */
301 system_memory
= MIN2(system_memory
, 2048 << 20);
303 return (int)(system_memory
>> 20);
307 case PIPE_CAP_CLIP_HALFZ
:
309 case PIPE_CAP_VERTEXID_NOBASE
:
311 case PIPE_CAP_POLYGON_OFFSET_CLAMP
:
312 case PIPE_CAP_TEXTURE_FLOAT_LINEAR
:
313 case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR
:
315 case PIPE_CAP_CULL_DISTANCE
:
317 case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS
:
319 case PIPE_CAP_CLEAR_TEXTURE
:
321 case PIPE_CAP_MAX_VARYINGS
:
323 case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT
:
325 case PIPE_CAP_QUERY_BUFFER_OBJECT
:
327 case PIPE_CAP_DRAW_PARAMETERS
:
329 case PIPE_CAP_MULTISAMPLE_Z_RESOLVE
:
330 case PIPE_CAP_RESOURCE_FROM_USER_MEMORY
:
331 case PIPE_CAP_DEVICE_RESET_STATUS_QUERY
:
332 case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS
:
333 case PIPE_CAP_DEPTH_BOUNDS_TEST
:
334 case PIPE_CAP_TGSI_TXQS
:
335 case PIPE_CAP_FORCE_PERSAMPLE_INTERP
:
336 case PIPE_CAP_SHAREABLE_SHADERS
:
337 case PIPE_CAP_TGSI_PACK_HALF_FLOAT
:
338 case PIPE_CAP_MULTI_DRAW_INDIRECT
:
339 case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS
:
340 case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL
:
341 case PIPE_CAP_INVALIDATE_BUFFER
:
342 case PIPE_CAP_GENERATE_MIPMAP
:
343 case PIPE_CAP_STRING_MARKER
:
344 case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY
:
345 case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS
:
346 case PIPE_CAP_QUERY_MEMORY_INFO
:
347 case PIPE_CAP_PCI_GROUP
:
348 case PIPE_CAP_PCI_BUS
:
349 case PIPE_CAP_PCI_DEVICE
:
350 case PIPE_CAP_PCI_FUNCTION
:
351 case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR
:
352 case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES
:
353 case PIPE_CAP_TGSI_VOTE
:
354 case PIPE_CAP_MAX_WINDOW_RECTANGLES
:
355 case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED
:
356 case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS
:
357 case PIPE_CAP_TGSI_CAN_READ_OUTPUTS
:
358 case PIPE_CAP_NATIVE_FENCE_FD
:
359 case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY
:
360 case PIPE_CAP_FBFETCH
:
361 case PIPE_CAP_TGSI_MUL_ZERO_WINS
:
362 case PIPE_CAP_TGSI_CLOCK
:
363 case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE
:
364 case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE
:
365 case PIPE_CAP_TGSI_BALLOT
:
366 case PIPE_CAP_TGSI_TES_LAYER_VIEWPORT
:
367 case PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX
:
368 case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION
:
369 case PIPE_CAP_POST_DEPTH_COVERAGE
:
370 case PIPE_CAP_BINDLESS_TEXTURE
:
371 case PIPE_CAP_NIR_SAMPLERS_AS_DEREF
:
372 case PIPE_CAP_MEMOBJ
:
373 case PIPE_CAP_TGSI_ANY_REG_AS_ADDRESS
:
374 case PIPE_CAP_TILE_RASTER_ORDER
:
375 case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES
:
376 case PIPE_CAP_FRAMEBUFFER_MSAA_CONSTRAINTS
:
377 case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET
:
378 case PIPE_CAP_CONTEXT_PRIORITY_MASK
:
379 case PIPE_CAP_FENCE_SIGNAL
:
380 case PIPE_CAP_CONSTBUF0_FLAGS
:
381 case PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_TRIANGLES
:
382 case PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_POINTS_LINES
:
383 case PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_TRIANGLES
:
384 case PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_POINTS_LINES
:
385 case PIPE_CAP_CONSERVATIVE_RASTER_POST_DEPTH_COVERAGE
:
386 case PIPE_CAP_MAX_CONSERVATIVE_RASTER_SUBPIXEL_PRECISION_BIAS
:
387 case PIPE_CAP_PROGRAMMABLE_SAMPLE_LOCATIONS
:
389 case PIPE_CAP_MAX_GS_INVOCATIONS
:
391 case PIPE_CAP_MAX_SHADER_BUFFER_SIZE
:
392 return LP_MAX_TGSI_SHADER_BUFFER_SIZE
;
393 case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT
:
394 case PIPE_CAP_TGSI_TG4_COMPONENT_IN_SWIZZLE
:
395 case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL
:
397 case PIPE_CAP_LOAD_CONSTBUF
:
398 case PIPE_CAP_PACKED_UNIFORMS
:
399 return !!(LP_DEBUG
& DEBUG_NIR
);
401 return u_pipe_screen_get_param_defaults(screen
, param
);
406 llvmpipe_get_shader_param(struct pipe_screen
*screen
,
407 enum pipe_shader_type shader
,
408 enum pipe_shader_cap param
)
412 case PIPE_SHADER_FRAGMENT
:
413 case PIPE_SHADER_COMPUTE
:
416 if ((LP_DEBUG
& DEBUG_NIR
) && param
== PIPE_SHADER_CAP_PREFERRED_IR
)
417 return PIPE_SHADER_IR_NIR
;
418 return gallivm_get_shader_param(param
);
420 case PIPE_SHADER_VERTEX
:
421 case PIPE_SHADER_GEOMETRY
:
422 if ((LP_DEBUG
& DEBUG_NIR
) && param
== PIPE_SHADER_CAP_PREFERRED_IR
)
423 return PIPE_SHADER_IR_NIR
;
426 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS
:
427 /* At this time, the draw module and llvmpipe driver only
428 * support vertex shader texture lookups when LLVM is enabled in
431 if (debug_get_bool_option("DRAW_USE_LLVM", TRUE
))
432 return PIPE_MAX_SAMPLERS
;
435 case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS
:
436 if (debug_get_bool_option("DRAW_USE_LLVM", TRUE
))
437 return PIPE_MAX_SHADER_SAMPLER_VIEWS
;
441 return draw_get_shader_param(shader
, param
);
449 llvmpipe_get_paramf(struct pipe_screen
*screen
, enum pipe_capf param
)
452 case PIPE_CAPF_MAX_LINE_WIDTH
:
454 case PIPE_CAPF_MAX_LINE_WIDTH_AA
:
455 return 255.0; /* arbitrary */
456 case PIPE_CAPF_MAX_POINT_WIDTH
:
458 case PIPE_CAPF_MAX_POINT_WIDTH_AA
:
459 return 255.0; /* arbitrary */
460 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY
:
461 return 16.0; /* not actually signficant at this time */
462 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS
:
463 return 16.0; /* arbitrary */
464 case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE
:
466 case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE
:
468 case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY
:
471 /* should only get here on unhandled cases */
472 debug_printf("Unexpected PIPE_CAP %d query\n", param
);
477 llvmpipe_get_compute_param(struct pipe_screen
*_screen
,
478 enum pipe_shader_ir ir_type
,
479 enum pipe_compute_cap param
,
483 case PIPE_COMPUTE_CAP_IR_TARGET
:
485 case PIPE_COMPUTE_CAP_MAX_GRID_SIZE
:
487 uint64_t *grid_size
= ret
;
488 grid_size
[0] = 65535;
489 grid_size
[1] = 65535;
490 grid_size
[2] = 65535;
492 return 3 * sizeof(uint64_t) ;
493 case PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE
:
495 uint64_t *block_size
= ret
;
496 block_size
[0] = 1024;
497 block_size
[1] = 1024;
498 block_size
[2] = 1024;
500 return 3 * sizeof(uint64_t);
501 case PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK
:
503 uint64_t *max_threads_per_block
= ret
;
504 *max_threads_per_block
= 1024;
506 return sizeof(uint64_t);
507 case PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE
:
509 uint64_t *max_local_size
= ret
;
510 *max_local_size
= 32768;
512 return sizeof(uint64_t);
513 case PIPE_COMPUTE_CAP_GRID_DIMENSION
:
514 case PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE
:
515 case PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE
:
516 case PIPE_COMPUTE_CAP_MAX_INPUT_SIZE
:
517 case PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE
:
518 case PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY
:
519 case PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS
:
520 case PIPE_COMPUTE_CAP_IMAGES_SUPPORTED
:
521 case PIPE_COMPUTE_CAP_SUBGROUP_SIZE
:
522 case PIPE_COMPUTE_CAP_ADDRESS_BITS
:
523 case PIPE_COMPUTE_CAP_MAX_VARIABLE_THREADS_PER_BLOCK
:
529 static const struct nir_shader_compiler_options gallivm_nir_options
= {
531 .lower_flrp32
= true,
532 .lower_flrp64
= true,
534 .lower_bitfield_insert_to_bitfield_select
= true,
535 .lower_bitfield_extract
= true,
539 .lower_pack_snorm_2x16
= true,
540 .lower_pack_snorm_4x8
= true,
541 .lower_pack_unorm_2x16
= true,
542 .lower_pack_unorm_4x8
= true,
543 .lower_unpack_snorm_2x16
= true,
544 .lower_unpack_snorm_4x8
= true,
545 .lower_unpack_unorm_2x16
= true,
546 .lower_unpack_unorm_4x8
= true,
547 .lower_extract_byte
= true,
548 .lower_extract_word
= true,
549 .lower_rotate
= true,
550 .optimize_sample_mask_in
= true,
551 .max_unroll_iterations
= 32,
552 .use_interpolated_input_intrinsics
= true,
553 .lower_to_scalar
= true,
557 llvmpipe_finalize_nir(struct pipe_screen
*screen
,
561 struct nir_shader
*nir
= (struct nir_shader
*)nirptr
;
562 lp_build_opt_nir(nir
);
565 static inline const void *
566 llvmpipe_get_compiler_options(struct pipe_screen
*screen
,
567 enum pipe_shader_ir ir
,
568 enum pipe_shader_type shader
)
570 assert(ir
== PIPE_SHADER_IR_NIR
);
571 return &gallivm_nir_options
;
575 * Query format support for creating a texture, drawing surface, etc.
576 * \param format the format to test
577 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
580 llvmpipe_is_format_supported( struct pipe_screen
*_screen
,
581 enum pipe_format format
,
582 enum pipe_texture_target target
,
583 unsigned sample_count
,
584 unsigned storage_sample_count
,
587 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
588 struct sw_winsys
*winsys
= screen
->winsys
;
589 const struct util_format_description
*format_desc
;
591 format_desc
= util_format_description(format
);
595 assert(target
== PIPE_BUFFER
||
596 target
== PIPE_TEXTURE_1D
||
597 target
== PIPE_TEXTURE_1D_ARRAY
||
598 target
== PIPE_TEXTURE_2D
||
599 target
== PIPE_TEXTURE_2D_ARRAY
||
600 target
== PIPE_TEXTURE_RECT
||
601 target
== PIPE_TEXTURE_3D
||
602 target
== PIPE_TEXTURE_CUBE
||
603 target
== PIPE_TEXTURE_CUBE_ARRAY
);
605 if (sample_count
> 1)
608 if (MAX2(1, sample_count
) != MAX2(1, storage_sample_count
))
611 if (bind
& PIPE_BIND_RENDER_TARGET
) {
612 if (format_desc
->colorspace
== UTIL_FORMAT_COLORSPACE_SRGB
) {
613 /* this is a lie actually other formats COULD exist where we would fail */
614 if (format_desc
->nr_channels
< 3)
617 else if (format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_RGB
)
620 if (format_desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
&&
621 format
!= PIPE_FORMAT_R11G11B10_FLOAT
)
624 assert(format_desc
->block
.width
== 1);
625 assert(format_desc
->block
.height
== 1);
627 if (format_desc
->is_mixed
)
630 if (!format_desc
->is_array
&& !format_desc
->is_bitmask
&&
631 format
!= PIPE_FORMAT_R11G11B10_FLOAT
)
635 if ((bind
& (PIPE_BIND_RENDER_TARGET
| PIPE_BIND_SAMPLER_VIEW
)) &&
636 ((bind
& PIPE_BIND_DISPLAY_TARGET
) == 0)) {
637 /* Disable all 3-channel formats, where channel size != 32 bits.
638 * In some cases we run into crashes (in generate_unswizzled_blend()),
639 * for 3-channel RGB16 variants, there was an apparent LLVM bug.
640 * In any case, disabling the shallower 3-channel formats avoids a
641 * number of issues with GL_ARB_copy_image support.
643 if (format_desc
->is_array
&&
644 format_desc
->nr_channels
== 3 &&
645 format_desc
->block
.bits
!= 96) {
650 if (bind
& PIPE_BIND_DISPLAY_TARGET
) {
651 if(!winsys
->is_displaytarget_format_supported(winsys
, bind
, format
))
655 if (bind
& PIPE_BIND_DEPTH_STENCIL
) {
656 if (format_desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
)
659 if (format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
)
662 /* TODO: Support stencil-only formats */
663 if (format_desc
->swizzle
[0] == PIPE_SWIZZLE_NONE
) {
668 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_ASTC
||
669 format_desc
->layout
== UTIL_FORMAT_LAYOUT_ATC
||
670 format_desc
->layout
== UTIL_FORMAT_LAYOUT_FXT1
) {
671 /* Software decoding is not hooked up. */
675 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_ETC
&&
676 format
!= PIPE_FORMAT_ETC1_RGB8
)
680 * Everything can be supported by u_format
681 * (those without fetch_rgba_float might be not but shouldn't hit that)
691 llvmpipe_flush_frontbuffer(struct pipe_screen
*_screen
,
692 struct pipe_resource
*resource
,
693 unsigned level
, unsigned layer
,
694 void *context_private
,
695 struct pipe_box
*sub_box
)
697 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
698 struct sw_winsys
*winsys
= screen
->winsys
;
699 struct llvmpipe_resource
*texture
= llvmpipe_resource(resource
);
703 winsys
->displaytarget_display(winsys
, texture
->dt
, context_private
, sub_box
);
707 llvmpipe_destroy_screen( struct pipe_screen
*_screen
)
709 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
710 struct sw_winsys
*winsys
= screen
->winsys
;
712 if (screen
->cs_tpool
)
713 lp_cs_tpool_destroy(screen
->cs_tpool
);
716 lp_rast_destroy(screen
->rast
);
718 lp_jit_screen_cleanup(screen
);
721 winsys
->destroy(winsys
);
723 mtx_destroy(&screen
->rast_mutex
);
724 mtx_destroy(&screen
->cs_mutex
);
732 * Fence reference counting.
735 llvmpipe_fence_reference(struct pipe_screen
*screen
,
736 struct pipe_fence_handle
**ptr
,
737 struct pipe_fence_handle
*fence
)
739 struct lp_fence
**old
= (struct lp_fence
**) ptr
;
740 struct lp_fence
*f
= (struct lp_fence
*) fence
;
742 lp_fence_reference(old
, f
);
747 * Wait for the fence to finish.
750 llvmpipe_fence_finish(struct pipe_screen
*screen
,
751 struct pipe_context
*ctx
,
752 struct pipe_fence_handle
*fence_handle
,
755 struct lp_fence
*f
= (struct lp_fence
*) fence_handle
;
758 return lp_fence_signalled(f
);
760 if (!lp_fence_signalled(f
)) {
761 if (timeout
!= PIPE_TIMEOUT_INFINITE
)
762 return lp_fence_timedwait(f
, timeout
);
770 llvmpipe_get_timestamp(struct pipe_screen
*_screen
)
772 return os_time_get_nano();
776 * Create a new pipe_screen object
777 * Note: we're not presently subclassing pipe_screen (no llvmpipe_screen).
780 llvmpipe_create_screen(struct sw_winsys
*winsys
)
782 struct llvmpipe_screen
*screen
;
787 LP_DEBUG
= debug_get_flags_option("LP_DEBUG", lp_debug_flags
, 0 );
790 LP_PERF
= debug_get_flags_option("LP_PERF", lp_perf_flags
, 0 );
792 screen
= CALLOC_STRUCT(llvmpipe_screen
);
796 if (!lp_jit_screen_init(screen
)) {
801 screen
->winsys
= winsys
;
803 screen
->base
.destroy
= llvmpipe_destroy_screen
;
805 screen
->base
.get_name
= llvmpipe_get_name
;
806 screen
->base
.get_vendor
= llvmpipe_get_vendor
;
807 screen
->base
.get_device_vendor
= llvmpipe_get_vendor
; // TODO should be the CPU vendor
808 screen
->base
.get_param
= llvmpipe_get_param
;
809 screen
->base
.get_shader_param
= llvmpipe_get_shader_param
;
810 screen
->base
.get_compute_param
= llvmpipe_get_compute_param
;
811 screen
->base
.get_paramf
= llvmpipe_get_paramf
;
812 screen
->base
.get_compiler_options
= llvmpipe_get_compiler_options
;
813 screen
->base
.is_format_supported
= llvmpipe_is_format_supported
;
815 screen
->base
.context_create
= llvmpipe_create_context
;
816 screen
->base
.flush_frontbuffer
= llvmpipe_flush_frontbuffer
;
817 screen
->base
.fence_reference
= llvmpipe_fence_reference
;
818 screen
->base
.fence_finish
= llvmpipe_fence_finish
;
820 screen
->base
.get_timestamp
= llvmpipe_get_timestamp
;
822 screen
->base
.finalize_nir
= llvmpipe_finalize_nir
;
823 llvmpipe_init_screen_resource_funcs(&screen
->base
);
825 screen
->num_threads
= util_cpu_caps
.nr_cpus
> 1 ? util_cpu_caps
.nr_cpus
: 0;
826 #ifdef EMBEDDED_DEVICE
827 screen
->num_threads
= 0;
829 screen
->num_threads
= debug_get_num_option("LP_NUM_THREADS", screen
->num_threads
);
830 screen
->num_threads
= MIN2(screen
->num_threads
, LP_MAX_THREADS
);
832 screen
->rast
= lp_rast_create(screen
->num_threads
);
834 lp_jit_screen_cleanup(screen
);
838 (void) mtx_init(&screen
->rast_mutex
, mtx_plain
);
840 screen
->cs_tpool
= lp_cs_tpool_create(screen
->num_threads
);
841 if (!screen
->cs_tpool
) {
842 lp_rast_destroy(screen
->rast
);
843 lp_jit_screen_cleanup(screen
);
847 (void) mtx_init(&screen
->cs_mutex
, mtx_plain
);
849 return &screen
->base
;