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_time.h"
41 #include "lp_texture.h"
44 #include "lp_screen.h"
45 #include "lp_context.h"
47 #include "lp_public.h"
48 #include "lp_limits.h"
51 #include "state_tracker/sw_winsys.h"
56 static const struct debug_named_value lp_debug_flags
[] = {
57 { "pipe", DEBUG_PIPE
, NULL
},
58 { "tgsi", DEBUG_TGSI
, NULL
},
59 { "tex", DEBUG_TEX
, NULL
},
60 { "setup", DEBUG_SETUP
, NULL
},
61 { "rast", DEBUG_RAST
, NULL
},
62 { "query", DEBUG_QUERY
, NULL
},
63 { "screen", DEBUG_SCREEN
, NULL
},
64 { "counters", DEBUG_COUNTERS
, NULL
},
65 { "scene", DEBUG_SCENE
, NULL
},
66 { "fence", DEBUG_FENCE
, NULL
},
67 { "mem", DEBUG_MEM
, NULL
},
68 { "fs", DEBUG_FS
, NULL
},
74 static const struct debug_named_value lp_perf_flags
[] = {
75 { "texmem", PERF_TEX_MEM
, NULL
},
76 { "no_mipmap", PERF_NO_MIPMAPS
, NULL
},
77 { "no_linear", PERF_NO_LINEAR
, NULL
},
78 { "no_mip_linear", PERF_NO_MIP_LINEAR
, NULL
},
79 { "no_tex", PERF_NO_TEX
, NULL
},
80 { "no_blend", PERF_NO_BLEND
, NULL
},
81 { "no_depth", PERF_NO_DEPTH
, NULL
},
82 { "no_alphatest", PERF_NO_ALPHATEST
, NULL
},
88 llvmpipe_get_vendor(struct pipe_screen
*screen
)
90 return "VMware, Inc.";
95 llvmpipe_get_name(struct pipe_screen
*screen
)
98 util_snprintf(buf
, sizeof(buf
), "llvmpipe (LLVM %u.%u, %u bits)",
99 HAVE_LLVM
>> 8, HAVE_LLVM
& 0xff,
100 lp_native_vector_width
);
106 llvmpipe_get_param(struct pipe_screen
*screen
, enum pipe_cap param
)
109 case PIPE_CAP_NPOT_TEXTURES
:
110 case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES
:
112 case PIPE_CAP_TWO_SIDED_STENCIL
:
116 case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS
:
118 case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS
:
119 return PIPE_MAX_SO_BUFFERS
;
120 case PIPE_CAP_ANISOTROPIC_FILTER
:
122 case PIPE_CAP_POINT_SPRITE
:
124 case PIPE_CAP_MAX_RENDER_TARGETS
:
125 return PIPE_MAX_COLOR_BUFS
;
126 case PIPE_CAP_OCCLUSION_QUERY
:
128 case PIPE_CAP_QUERY_TIME_ELAPSED
:
130 case PIPE_CAP_QUERY_TIMESTAMP
:
132 case PIPE_CAP_QUERY_PIPELINE_STATISTICS
:
134 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
136 case PIPE_CAP_TEXTURE_SHADOW_MAP
:
138 case PIPE_CAP_TEXTURE_SWIZZLE
:
140 case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK
:
142 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
143 return LP_MAX_TEXTURE_2D_LEVELS
;
144 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
145 return LP_MAX_TEXTURE_3D_LEVELS
;
146 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
147 return LP_MAX_TEXTURE_CUBE_LEVELS
;
148 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS
:
149 return LP_MAX_TEXTURE_ARRAY_LAYERS
;
150 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
152 case PIPE_CAP_INDEP_BLEND_ENABLE
:
154 case PIPE_CAP_INDEP_BLEND_FUNC
:
156 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
157 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
158 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
160 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
162 case PIPE_CAP_PRIMITIVE_RESTART
:
164 case PIPE_CAP_DEPTH_CLIP_DISABLE
:
166 case PIPE_CAP_SHADER_STENCIL_EXPORT
:
168 case PIPE_CAP_TGSI_INSTANCEID
:
169 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR
:
171 case PIPE_CAP_FRAGMENT_COLOR_CLAMPED
:
173 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS
:
175 case PIPE_CAP_SEAMLESS_CUBE_MAP
:
176 case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE
:
178 /* this is a lie could support arbitrary large offsets */
179 case PIPE_CAP_MIN_TEXEL_OFFSET
:
181 case PIPE_CAP_MAX_TEXEL_OFFSET
:
183 case PIPE_CAP_CONDITIONAL_RENDER
:
185 case PIPE_CAP_TEXTURE_BARRIER
:
187 case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS
:
188 case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS
:
190 case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES
:
191 case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS
:
193 case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME
:
195 case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS
:
197 case PIPE_CAP_VERTEX_COLOR_UNCLAMPED
:
198 case PIPE_CAP_VERTEX_COLOR_CLAMPED
:
200 case PIPE_CAP_GLSL_FEATURE_LEVEL
:
202 case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION
:
204 case PIPE_CAP_COMPUTE
:
206 case PIPE_CAP_USER_VERTEX_BUFFERS
:
207 case PIPE_CAP_USER_INDEX_BUFFERS
:
209 case PIPE_CAP_USER_CONSTANT_BUFFERS
:
211 case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY
:
212 case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY
:
213 case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY
:
214 case PIPE_CAP_TGSI_TEXCOORD
:
217 case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT
:
219 case PIPE_CAP_START_INSTANCE
:
220 case PIPE_CAP_TEXTURE_MULTISAMPLE
:
221 case PIPE_CAP_CUBE_MAP_ARRAY
:
223 case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT
:
225 case PIPE_CAP_TEXTURE_BUFFER_OBJECTS
:
227 case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE
:
229 case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT
:
231 case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER
:
233 case PIPE_CAP_MAX_VIEWPORTS
:
234 return PIPE_MAX_VIEWPORTS
;
235 case PIPE_CAP_ENDIANNESS
:
236 return PIPE_ENDIAN_NATIVE
;
237 case PIPE_CAP_TGSI_VS_LAYER
:
238 case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS
:
239 case PIPE_CAP_TEXTURE_GATHER_SM5
:
240 case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT
:
243 /* should only get here on unhandled cases */
244 debug_printf("Unexpected PIPE_CAP %d query\n", param
);
249 llvmpipe_get_shader_param(struct pipe_screen
*screen
, unsigned shader
, enum pipe_shader_cap param
)
253 case PIPE_SHADER_FRAGMENT
:
256 return gallivm_get_shader_param(param
);
258 case PIPE_SHADER_VERTEX
:
259 case PIPE_SHADER_GEOMETRY
:
261 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS
:
262 /* At this time, the draw module and llvmpipe driver only
263 * support vertex shader texture lookups when LLVM is enabled in
266 if (debug_get_bool_option("DRAW_USE_LLVM", TRUE
))
267 return PIPE_MAX_SAMPLERS
;
270 case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS
:
271 if (debug_get_bool_option("DRAW_USE_LLVM", TRUE
))
272 return PIPE_MAX_SHADER_SAMPLER_VIEWS
;
276 return draw_get_shader_param(shader
, param
);
284 llvmpipe_get_paramf(struct pipe_screen
*screen
, enum pipe_capf param
)
287 case PIPE_CAPF_MAX_LINE_WIDTH
:
289 case PIPE_CAPF_MAX_LINE_WIDTH_AA
:
290 return 255.0; /* arbitrary */
291 case PIPE_CAPF_MAX_POINT_WIDTH
:
293 case PIPE_CAPF_MAX_POINT_WIDTH_AA
:
294 return 255.0; /* arbitrary */
295 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY
:
296 return 16.0; /* not actually signficant at this time */
297 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS
:
298 return 16.0; /* arbitrary */
299 case PIPE_CAPF_GUARD_BAND_LEFT
:
300 case PIPE_CAPF_GUARD_BAND_TOP
:
301 case PIPE_CAPF_GUARD_BAND_RIGHT
:
302 case PIPE_CAPF_GUARD_BAND_BOTTOM
:
305 /* should only get here on unhandled cases */
306 debug_printf("Unexpected PIPE_CAP %d query\n", param
);
312 * Query format support for creating a texture, drawing surface, etc.
313 * \param format the format to test
314 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
317 llvmpipe_is_format_supported( struct pipe_screen
*_screen
,
318 enum pipe_format format
,
319 enum pipe_texture_target target
,
320 unsigned sample_count
,
323 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
324 struct sw_winsys
*winsys
= screen
->winsys
;
325 const struct util_format_description
*format_desc
;
327 format_desc
= util_format_description(format
);
331 assert(target
== PIPE_BUFFER
||
332 target
== PIPE_TEXTURE_1D
||
333 target
== PIPE_TEXTURE_1D_ARRAY
||
334 target
== PIPE_TEXTURE_2D
||
335 target
== PIPE_TEXTURE_2D_ARRAY
||
336 target
== PIPE_TEXTURE_RECT
||
337 target
== PIPE_TEXTURE_3D
||
338 target
== PIPE_TEXTURE_CUBE
);
340 if (sample_count
> 1)
343 if (bind
& PIPE_BIND_RENDER_TARGET
) {
344 if (format_desc
->colorspace
== UTIL_FORMAT_COLORSPACE_SRGB
) {
345 if (format_desc
->nr_channels
< 3)
348 else if (format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_RGB
)
351 if (format_desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
&&
352 format
!= PIPE_FORMAT_R11G11B10_FLOAT
)
355 assert(format_desc
->block
.width
== 1);
356 assert(format_desc
->block
.height
== 1);
358 if (format_desc
->is_mixed
)
361 if (!format_desc
->is_array
&& !format_desc
->is_bitmask
&&
362 format
!= PIPE_FORMAT_R11G11B10_FLOAT
)
366 * XXX refuse formats known to crash in generate_unswizzled_blend().
367 * These include all 3-channel 24bit RGB8 variants, plus 48bit
368 * (except those using floats) 3-channel RGB16 variants (the latter
369 * seems to be more of a llvm bug though).
370 * The mesa state tracker only seems to use these for SINT/UINT formats.
372 if (format_desc
->is_array
&& format_desc
->nr_channels
== 3) {
373 if (format_desc
->block
.bits
== 24 || (format_desc
->block
.bits
== 48 &&
374 !util_format_is_float(format
))) {
380 if (bind
& PIPE_BIND_DISPLAY_TARGET
) {
381 if(!winsys
->is_displaytarget_format_supported(winsys
, bind
, format
))
385 if (bind
& PIPE_BIND_DEPTH_STENCIL
) {
386 if (format_desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
)
389 if (format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
)
392 /* TODO: Support stencil-only formats */
393 if (format_desc
->swizzle
[0] == UTIL_FORMAT_SWIZZLE_NONE
) {
398 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_S3TC
) {
399 return util_format_s3tc_enabled
;
403 * Everything can be supported by u_format
404 * (those without fetch_rgba_float might be not but shouldn't hit that)
414 llvmpipe_flush_frontbuffer(struct pipe_screen
*_screen
,
415 struct pipe_resource
*resource
,
416 unsigned level
, unsigned layer
,
417 void *context_private
,
418 struct pipe_box
*sub_box
)
420 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
421 struct sw_winsys
*winsys
= screen
->winsys
;
422 struct llvmpipe_resource
*texture
= llvmpipe_resource(resource
);
426 winsys
->displaytarget_display(winsys
, texture
->dt
, context_private
, sub_box
);
430 llvmpipe_destroy_screen( struct pipe_screen
*_screen
)
432 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
433 struct sw_winsys
*winsys
= screen
->winsys
;
436 lp_rast_destroy(screen
->rast
);
438 lp_jit_screen_cleanup(screen
);
441 winsys
->destroy(winsys
);
443 pipe_mutex_destroy(screen
->rast_mutex
);
452 * Fence reference counting.
455 llvmpipe_fence_reference(struct pipe_screen
*screen
,
456 struct pipe_fence_handle
**ptr
,
457 struct pipe_fence_handle
*fence
)
459 struct lp_fence
**old
= (struct lp_fence
**) ptr
;
460 struct lp_fence
*f
= (struct lp_fence
*) fence
;
462 lp_fence_reference(old
, f
);
467 * Has the fence been executed/finished?
470 llvmpipe_fence_signalled(struct pipe_screen
*screen
,
471 struct pipe_fence_handle
*fence
)
473 struct lp_fence
*f
= (struct lp_fence
*) fence
;
474 return lp_fence_signalled(f
);
479 * Wait for the fence to finish.
482 llvmpipe_fence_finish(struct pipe_screen
*screen
,
483 struct pipe_fence_handle
*fence_handle
,
486 struct lp_fence
*f
= (struct lp_fence
*) fence_handle
;
493 llvmpipe_get_timestamp(struct pipe_screen
*_screen
)
495 return os_time_get_nano();
499 * Create a new pipe_screen object
500 * Note: we're not presently subclassing pipe_screen (no llvmpipe_screen).
503 llvmpipe_create_screen(struct sw_winsys
*winsys
)
505 struct llvmpipe_screen
*screen
;
509 #if defined(PIPE_ARCH_X86) && HAVE_LLVM < 0x0302
510 /* require SSE2 due to LLVM PR6960. */
511 if (!util_cpu_caps
.has_sse2
)
516 LP_DEBUG
= debug_get_flags_option("LP_DEBUG", lp_debug_flags
, 0 );
519 LP_PERF
= debug_get_flags_option("LP_PERF", lp_perf_flags
, 0 );
521 screen
= CALLOC_STRUCT(llvmpipe_screen
);
525 screen
->winsys
= winsys
;
527 screen
->base
.destroy
= llvmpipe_destroy_screen
;
529 screen
->base
.get_name
= llvmpipe_get_name
;
530 screen
->base
.get_vendor
= llvmpipe_get_vendor
;
531 screen
->base
.get_param
= llvmpipe_get_param
;
532 screen
->base
.get_shader_param
= llvmpipe_get_shader_param
;
533 screen
->base
.get_paramf
= llvmpipe_get_paramf
;
534 screen
->base
.is_format_supported
= llvmpipe_is_format_supported
;
536 screen
->base
.context_create
= llvmpipe_create_context
;
537 screen
->base
.flush_frontbuffer
= llvmpipe_flush_frontbuffer
;
538 screen
->base
.fence_reference
= llvmpipe_fence_reference
;
539 screen
->base
.fence_signalled
= llvmpipe_fence_signalled
;
540 screen
->base
.fence_finish
= llvmpipe_fence_finish
;
542 screen
->base
.get_timestamp
= llvmpipe_get_timestamp
;
544 llvmpipe_init_screen_resource_funcs(&screen
->base
);
546 lp_jit_screen_init(screen
);
548 screen
->num_threads
= util_cpu_caps
.nr_cpus
> 1 ? util_cpu_caps
.nr_cpus
: 0;
549 #ifdef PIPE_SUBSYSTEM_EMBEDDED
550 screen
->num_threads
= 0;
552 screen
->num_threads
= debug_get_num_option("LP_NUM_THREADS", screen
->num_threads
);
553 screen
->num_threads
= MIN2(screen
->num_threads
, LP_MAX_THREADS
);
555 screen
->rast
= lp_rast_create(screen
->num_threads
);
557 lp_jit_screen_cleanup(screen
);
561 pipe_mutex_init(screen
->rast_mutex
);
563 util_format_s3tc_init();
565 return &screen
->base
;