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/u_format.h"
33 #include "util/u_string.h"
34 #include "util/u_format_s3tc.h"
35 #include "pipe/p_defines.h"
36 #include "pipe/p_screen.h"
37 #include "draw/draw_context.h"
38 #include "gallivm/lp_bld_type.h"
40 #include "os/os_misc.h"
41 #include "os/os_time.h"
42 #include "lp_texture.h"
45 #include "lp_screen.h"
46 #include "lp_context.h"
48 #include "lp_public.h"
49 #include "lp_limits.h"
52 #include "state_tracker/sw_winsys.h"
57 static const struct debug_named_value lp_debug_flags
[] = {
58 { "pipe", DEBUG_PIPE
, NULL
},
59 { "tgsi", DEBUG_TGSI
, NULL
},
60 { "tex", DEBUG_TEX
, NULL
},
61 { "setup", DEBUG_SETUP
, NULL
},
62 { "rast", DEBUG_RAST
, NULL
},
63 { "query", DEBUG_QUERY
, NULL
},
64 { "screen", DEBUG_SCREEN
, NULL
},
65 { "counters", DEBUG_COUNTERS
, NULL
},
66 { "scene", DEBUG_SCENE
, NULL
},
67 { "fence", DEBUG_FENCE
, NULL
},
68 { "mem", DEBUG_MEM
, NULL
},
69 { "fs", DEBUG_FS
, NULL
},
75 static const struct debug_named_value lp_perf_flags
[] = {
76 { "texmem", PERF_TEX_MEM
, NULL
},
77 { "no_mipmap", PERF_NO_MIPMAPS
, NULL
},
78 { "no_linear", PERF_NO_LINEAR
, NULL
},
79 { "no_mip_linear", PERF_NO_MIP_LINEAR
, NULL
},
80 { "no_tex", PERF_NO_TEX
, NULL
},
81 { "no_blend", PERF_NO_BLEND
, NULL
},
82 { "no_depth", PERF_NO_DEPTH
, NULL
},
83 { "no_alphatest", PERF_NO_ALPHATEST
, NULL
},
89 llvmpipe_get_vendor(struct pipe_screen
*screen
)
91 return "VMware, Inc.";
96 llvmpipe_get_name(struct pipe_screen
*screen
)
99 util_snprintf(buf
, sizeof(buf
), "llvmpipe (LLVM %u.%u, %u bits)",
100 HAVE_LLVM
>> 8, HAVE_LLVM
& 0xff,
101 lp_native_vector_width
);
107 llvmpipe_get_param(struct pipe_screen
*screen
, enum pipe_cap param
)
110 case PIPE_CAP_NPOT_TEXTURES
:
111 case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES
:
113 case PIPE_CAP_TWO_SIDED_STENCIL
:
117 case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS
:
119 case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS
:
120 return PIPE_MAX_SO_BUFFERS
;
121 case PIPE_CAP_ANISOTROPIC_FILTER
:
123 case PIPE_CAP_POINT_SPRITE
:
125 case PIPE_CAP_MAX_RENDER_TARGETS
:
126 return PIPE_MAX_COLOR_BUFS
;
127 case PIPE_CAP_OCCLUSION_QUERY
:
129 case PIPE_CAP_QUERY_TIME_ELAPSED
:
131 case PIPE_CAP_QUERY_TIMESTAMP
:
133 case PIPE_CAP_QUERY_PIPELINE_STATISTICS
:
135 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
137 case PIPE_CAP_TEXTURE_SHADOW_MAP
:
139 case PIPE_CAP_TEXTURE_SWIZZLE
:
141 case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK
:
143 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
144 return LP_MAX_TEXTURE_2D_LEVELS
;
145 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
146 return LP_MAX_TEXTURE_3D_LEVELS
;
147 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
148 return LP_MAX_TEXTURE_CUBE_LEVELS
;
149 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS
:
150 return LP_MAX_TEXTURE_ARRAY_LAYERS
;
151 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
153 case PIPE_CAP_INDEP_BLEND_ENABLE
:
155 case PIPE_CAP_INDEP_BLEND_FUNC
:
157 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
158 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
159 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
161 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
163 case PIPE_CAP_PRIMITIVE_RESTART
:
165 case PIPE_CAP_DEPTH_CLIP_DISABLE
:
167 case PIPE_CAP_SHADER_STENCIL_EXPORT
:
169 case PIPE_CAP_TGSI_INSTANCEID
:
170 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR
:
171 case PIPE_CAP_START_INSTANCE
:
173 case PIPE_CAP_FRAGMENT_COLOR_CLAMPED
:
175 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS
:
177 case PIPE_CAP_SEAMLESS_CUBE_MAP
:
178 case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE
:
180 /* this is a lie could support arbitrary large offsets */
181 case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET
:
182 case PIPE_CAP_MIN_TEXEL_OFFSET
:
184 case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET
:
185 case PIPE_CAP_MAX_TEXEL_OFFSET
:
187 case PIPE_CAP_CONDITIONAL_RENDER
:
189 case PIPE_CAP_TEXTURE_BARRIER
:
191 case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS
:
192 case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS
:
194 case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES
:
195 case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS
:
197 case PIPE_CAP_MAX_VERTEX_STREAMS
:
199 case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE
:
201 case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME
:
203 case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS
:
205 case PIPE_CAP_VERTEX_COLOR_UNCLAMPED
:
206 case PIPE_CAP_VERTEX_COLOR_CLAMPED
:
208 case PIPE_CAP_GLSL_FEATURE_LEVEL
:
210 case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION
:
212 case PIPE_CAP_COMPUTE
:
214 case PIPE_CAP_USER_VERTEX_BUFFERS
:
215 case PIPE_CAP_USER_INDEX_BUFFERS
:
217 case PIPE_CAP_USER_CONSTANT_BUFFERS
:
219 case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY
:
220 case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY
:
221 case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY
:
222 case PIPE_CAP_TGSI_TEXCOORD
:
224 case PIPE_CAP_DRAW_INDIRECT
:
227 case PIPE_CAP_CUBE_MAP_ARRAY
:
229 case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT
:
231 case PIPE_CAP_TEXTURE_MULTISAMPLE
:
233 case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT
:
235 case PIPE_CAP_TEXTURE_BUFFER_OBJECTS
:
237 case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE
:
239 case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT
:
241 case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER
:
243 case PIPE_CAP_MAX_VIEWPORTS
:
244 return PIPE_MAX_VIEWPORTS
;
245 case PIPE_CAP_ENDIANNESS
:
246 return PIPE_ENDIAN_NATIVE
;
247 case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT
:
249 case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT
:
251 case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS
:
253 case PIPE_CAP_TEXTURE_GATHER_SM5
:
254 case PIPE_CAP_TEXTURE_QUERY_LOD
:
255 case PIPE_CAP_SAMPLE_SHADING
:
256 case PIPE_CAP_TEXTURE_GATHER_OFFSETS
:
258 case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION
:
260 case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE
:
262 case PIPE_CAP_SAMPLER_VIEW_TARGET
:
264 case PIPE_CAP_FAKE_SW_MSAA
:
266 case PIPE_CAP_CONDITIONAL_RENDER_INVERTED
:
269 case PIPE_CAP_VENDOR_ID
:
271 case PIPE_CAP_DEVICE_ID
:
273 case PIPE_CAP_ACCELERATED
:
275 case PIPE_CAP_VIDEO_MEMORY
: {
276 /* XXX: Do we want to return the full amount fo system memory ? */
277 uint64_t system_memory
;
279 if (!os_get_total_physical_memory(&system_memory
))
282 return (int)(system_memory
>> 20);
286 case PIPE_CAP_CLIP_HALFZ
:
288 case PIPE_CAP_VERTEXID_NOBASE
:
290 case PIPE_CAP_POLYGON_OFFSET_CLAMP
:
291 case PIPE_CAP_TEXTURE_FLOAT_LINEAR
:
292 case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR
:
294 case PIPE_CAP_MULTISAMPLE_Z_RESOLVE
:
295 case PIPE_CAP_RESOURCE_FROM_USER_MEMORY
:
296 case PIPE_CAP_DEVICE_RESET_STATUS_QUERY
:
297 case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS
:
298 case PIPE_CAP_DEPTH_BOUNDS_TEST
:
299 case PIPE_CAP_TGSI_TXQS
:
300 case PIPE_CAP_FORCE_PERSAMPLE_INTERP
:
301 case PIPE_CAP_SHAREABLE_SHADERS
:
302 case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS
:
303 case PIPE_CAP_CLEAR_TEXTURE
:
304 case PIPE_CAP_DRAW_PARAMETERS
:
305 case PIPE_CAP_TGSI_PACK_HALF_FLOAT
:
306 case PIPE_CAP_MULTI_DRAW_INDIRECT
:
307 case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS
:
308 case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL
:
309 case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL
:
310 case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT
:
311 case PIPE_CAP_INVALIDATE_BUFFER
:
314 /* should only get here on unhandled cases */
315 debug_printf("Unexpected PIPE_CAP %d query\n", param
);
320 llvmpipe_get_shader_param(struct pipe_screen
*screen
, unsigned shader
, enum pipe_shader_cap param
)
324 case PIPE_SHADER_FRAGMENT
:
327 return gallivm_get_shader_param(param
);
329 case PIPE_SHADER_VERTEX
:
330 case PIPE_SHADER_GEOMETRY
:
332 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS
:
333 /* At this time, the draw module and llvmpipe driver only
334 * support vertex shader texture lookups when LLVM is enabled in
337 if (debug_get_bool_option("DRAW_USE_LLVM", TRUE
))
338 return PIPE_MAX_SAMPLERS
;
341 case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS
:
342 if (debug_get_bool_option("DRAW_USE_LLVM", TRUE
))
343 return PIPE_MAX_SHADER_SAMPLER_VIEWS
;
347 return draw_get_shader_param(shader
, param
);
355 llvmpipe_get_paramf(struct pipe_screen
*screen
, enum pipe_capf param
)
358 case PIPE_CAPF_MAX_LINE_WIDTH
:
360 case PIPE_CAPF_MAX_LINE_WIDTH_AA
:
361 return 255.0; /* arbitrary */
362 case PIPE_CAPF_MAX_POINT_WIDTH
:
364 case PIPE_CAPF_MAX_POINT_WIDTH_AA
:
365 return 255.0; /* arbitrary */
366 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY
:
367 return 16.0; /* not actually signficant at this time */
368 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS
:
369 return 16.0; /* arbitrary */
370 case PIPE_CAPF_GUARD_BAND_LEFT
:
371 case PIPE_CAPF_GUARD_BAND_TOP
:
372 case PIPE_CAPF_GUARD_BAND_RIGHT
:
373 case PIPE_CAPF_GUARD_BAND_BOTTOM
:
376 /* should only get here on unhandled cases */
377 debug_printf("Unexpected PIPE_CAP %d query\n", param
);
383 * Query format support for creating a texture, drawing surface, etc.
384 * \param format the format to test
385 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
388 llvmpipe_is_format_supported( struct pipe_screen
*_screen
,
389 enum pipe_format format
,
390 enum pipe_texture_target target
,
391 unsigned sample_count
,
394 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
395 struct sw_winsys
*winsys
= screen
->winsys
;
396 const struct util_format_description
*format_desc
;
398 format_desc
= util_format_description(format
);
402 assert(target
== PIPE_BUFFER
||
403 target
== PIPE_TEXTURE_1D
||
404 target
== PIPE_TEXTURE_1D_ARRAY
||
405 target
== PIPE_TEXTURE_2D
||
406 target
== PIPE_TEXTURE_2D_ARRAY
||
407 target
== PIPE_TEXTURE_RECT
||
408 target
== PIPE_TEXTURE_3D
||
409 target
== PIPE_TEXTURE_CUBE
||
410 target
== PIPE_TEXTURE_CUBE_ARRAY
);
412 if (sample_count
> 1)
415 if (bind
& PIPE_BIND_RENDER_TARGET
) {
416 if (format_desc
->colorspace
== UTIL_FORMAT_COLORSPACE_SRGB
) {
417 /* this is a lie actually other formats COULD exist where we would fail */
418 if (format_desc
->nr_channels
< 3)
421 else if (format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_RGB
)
424 if (format_desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
&&
425 format
!= PIPE_FORMAT_R11G11B10_FLOAT
)
428 assert(format_desc
->block
.width
== 1);
429 assert(format_desc
->block
.height
== 1);
431 if (format_desc
->is_mixed
)
434 if (!format_desc
->is_array
&& !format_desc
->is_bitmask
&&
435 format
!= PIPE_FORMAT_R11G11B10_FLOAT
)
439 * XXX refuse formats known to crash in generate_unswizzled_blend().
440 * These include all 3-channel 24bit RGB8 variants, plus 48bit
441 * (except those using floats) 3-channel RGB16 variants (the latter
442 * seems to be more of a llvm bug though).
443 * The mesa state tracker only seems to use these for SINT/UINT formats.
445 if (format_desc
->is_array
&& format_desc
->nr_channels
== 3) {
446 if (format_desc
->block
.bits
== 24 || (format_desc
->block
.bits
== 48 &&
447 !util_format_is_float(format
))) {
453 if (bind
& PIPE_BIND_DISPLAY_TARGET
) {
454 if(!winsys
->is_displaytarget_format_supported(winsys
, bind
, format
))
458 if (bind
& PIPE_BIND_DEPTH_STENCIL
) {
459 if (format_desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
)
462 if (format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
)
465 /* TODO: Support stencil-only formats */
466 if (format_desc
->swizzle
[0] == UTIL_FORMAT_SWIZZLE_NONE
) {
471 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_BPTC
||
472 format_desc
->layout
== UTIL_FORMAT_LAYOUT_ASTC
) {
473 /* Software decoding is not hooked up. */
477 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_ETC
&&
478 format
!= PIPE_FORMAT_ETC1_RGB8
)
481 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_S3TC
) {
482 return util_format_s3tc_enabled
;
486 * Everything can be supported by u_format
487 * (those without fetch_rgba_float might be not but shouldn't hit that)
497 llvmpipe_flush_frontbuffer(struct pipe_screen
*_screen
,
498 struct pipe_resource
*resource
,
499 unsigned level
, unsigned layer
,
500 void *context_private
,
501 struct pipe_box
*sub_box
)
503 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
504 struct sw_winsys
*winsys
= screen
->winsys
;
505 struct llvmpipe_resource
*texture
= llvmpipe_resource(resource
);
509 winsys
->displaytarget_display(winsys
, texture
->dt
, context_private
, sub_box
);
513 llvmpipe_destroy_screen( struct pipe_screen
*_screen
)
515 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
516 struct sw_winsys
*winsys
= screen
->winsys
;
519 lp_rast_destroy(screen
->rast
);
521 lp_jit_screen_cleanup(screen
);
524 winsys
->destroy(winsys
);
526 pipe_mutex_destroy(screen
->rast_mutex
);
535 * Fence reference counting.
538 llvmpipe_fence_reference(struct pipe_screen
*screen
,
539 struct pipe_fence_handle
**ptr
,
540 struct pipe_fence_handle
*fence
)
542 struct lp_fence
**old
= (struct lp_fence
**) ptr
;
543 struct lp_fence
*f
= (struct lp_fence
*) fence
;
545 lp_fence_reference(old
, f
);
550 * Wait for the fence to finish.
553 llvmpipe_fence_finish(struct pipe_screen
*screen
,
554 struct pipe_fence_handle
*fence_handle
,
557 struct lp_fence
*f
= (struct lp_fence
*) fence_handle
;
560 return lp_fence_signalled(f
);
567 llvmpipe_get_timestamp(struct pipe_screen
*_screen
)
569 return os_time_get_nano();
573 * Create a new pipe_screen object
574 * Note: we're not presently subclassing pipe_screen (no llvmpipe_screen).
577 llvmpipe_create_screen(struct sw_winsys
*winsys
)
579 struct llvmpipe_screen
*screen
;
584 LP_DEBUG
= debug_get_flags_option("LP_DEBUG", lp_debug_flags
, 0 );
587 LP_PERF
= debug_get_flags_option("LP_PERF", lp_perf_flags
, 0 );
589 screen
= CALLOC_STRUCT(llvmpipe_screen
);
593 if (!lp_jit_screen_init(screen
)) {
598 screen
->winsys
= winsys
;
600 screen
->base
.destroy
= llvmpipe_destroy_screen
;
602 screen
->base
.get_name
= llvmpipe_get_name
;
603 screen
->base
.get_vendor
= llvmpipe_get_vendor
;
604 screen
->base
.get_device_vendor
= llvmpipe_get_vendor
; // TODO should be the CPU vendor
605 screen
->base
.get_param
= llvmpipe_get_param
;
606 screen
->base
.get_shader_param
= llvmpipe_get_shader_param
;
607 screen
->base
.get_paramf
= llvmpipe_get_paramf
;
608 screen
->base
.is_format_supported
= llvmpipe_is_format_supported
;
610 screen
->base
.context_create
= llvmpipe_create_context
;
611 screen
->base
.flush_frontbuffer
= llvmpipe_flush_frontbuffer
;
612 screen
->base
.fence_reference
= llvmpipe_fence_reference
;
613 screen
->base
.fence_finish
= llvmpipe_fence_finish
;
615 screen
->base
.get_timestamp
= llvmpipe_get_timestamp
;
617 llvmpipe_init_screen_resource_funcs(&screen
->base
);
619 screen
->num_threads
= util_cpu_caps
.nr_cpus
> 1 ? util_cpu_caps
.nr_cpus
: 0;
620 #ifdef PIPE_SUBSYSTEM_EMBEDDED
621 screen
->num_threads
= 0;
623 screen
->num_threads
= debug_get_num_option("LP_NUM_THREADS", screen
->num_threads
);
624 screen
->num_threads
= MIN2(screen
->num_threads
, LP_MAX_THREADS
);
626 screen
->rast
= lp_rast_create(screen
->num_threads
);
628 lp_jit_screen_cleanup(screen
);
632 pipe_mutex_init(screen
->rast_mutex
);
634 util_format_s3tc_init();
636 return &screen
->base
;