1 /**************************************************************************
3 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
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 TUNGSTEN GRAPHICS 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_MAX_COMBINED_SAMPLERS
:
110 return 2 * PIPE_MAX_SAMPLERS
; /* VS + FS samplers */
111 case PIPE_CAP_NPOT_TEXTURES
:
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_TEXTURE_MIRROR_CLAMP
:
135 case PIPE_CAP_TEXTURE_SHADOW_MAP
:
137 case PIPE_CAP_TEXTURE_SWIZZLE
:
139 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
140 return LP_MAX_TEXTURE_2D_LEVELS
;
141 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
142 return LP_MAX_TEXTURE_3D_LEVELS
;
143 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
144 return LP_MAX_TEXTURE_CUBE_LEVELS
;
145 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS
:
146 return LP_MAX_TEXTURE_ARRAY_LAYERS
;
147 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
149 case PIPE_CAP_INDEP_BLEND_ENABLE
:
151 case PIPE_CAP_INDEP_BLEND_FUNC
:
153 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
154 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
156 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
157 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
159 case PIPE_CAP_PRIMITIVE_RESTART
:
161 case PIPE_CAP_DEPTH_CLIP_DISABLE
:
163 case PIPE_CAP_SHADER_STENCIL_EXPORT
:
165 case PIPE_CAP_TGSI_INSTANCEID
:
166 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR
:
168 case PIPE_CAP_FRAGMENT_COLOR_CLAMPED
:
170 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS
:
172 case PIPE_CAP_SEAMLESS_CUBE_MAP
:
173 case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE
:
175 case PIPE_CAP_SCALED_RESOLVE
:
177 /* this is a lie could support arbitrary large offsets */
178 case PIPE_CAP_MIN_TEXEL_OFFSET
:
180 case PIPE_CAP_MAX_TEXEL_OFFSET
:
182 case PIPE_CAP_CONDITIONAL_RENDER
:
184 case PIPE_CAP_TEXTURE_BARRIER
:
186 case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS
:
187 case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS
:
189 case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME
:
191 case PIPE_CAP_TGSI_CAN_COMPACT_VARYINGS
:
192 case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS
:
194 case PIPE_CAP_VERTEX_COLOR_UNCLAMPED
:
195 case PIPE_CAP_VERTEX_COLOR_CLAMPED
:
197 case PIPE_CAP_GLSL_FEATURE_LEVEL
:
199 case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION
:
201 case PIPE_CAP_COMPUTE
:
203 case PIPE_CAP_USER_VERTEX_BUFFERS
:
204 case PIPE_CAP_USER_INDEX_BUFFERS
:
206 case PIPE_CAP_USER_CONSTANT_BUFFERS
:
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
:
213 case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT
:
215 case PIPE_CAP_START_INSTANCE
:
216 case PIPE_CAP_TEXTURE_MULTISAMPLE
:
217 case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT
:
218 case PIPE_CAP_CUBE_MAP_ARRAY
:
220 case PIPE_CAP_TEXTURE_BUFFER_OBJECTS
:
222 case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT
:
225 /* should only get here on unhandled cases */
226 debug_printf("Unexpected PIPE_CAP %d query\n", param
);
231 llvmpipe_get_shader_param(struct pipe_screen
*screen
, unsigned shader
, enum pipe_shader_cap param
)
235 case PIPE_SHADER_FRAGMENT
:
238 return gallivm_get_shader_param(param
);
240 case PIPE_SHADER_VERTEX
:
241 case PIPE_SHADER_GEOMETRY
:
243 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS
:
244 /* At this time, the draw module and llvmpipe driver only
245 * support vertex shader texture lookups when LLVM is enabled in
248 if (debug_get_bool_option("DRAW_USE_LLVM", TRUE
))
249 return PIPE_MAX_SAMPLERS
;
253 return draw_get_shader_param(shader
, param
);
261 llvmpipe_get_paramf(struct pipe_screen
*screen
, enum pipe_capf param
)
264 case PIPE_CAPF_MAX_LINE_WIDTH
:
266 case PIPE_CAPF_MAX_LINE_WIDTH_AA
:
267 return 255.0; /* arbitrary */
268 case PIPE_CAPF_MAX_POINT_WIDTH
:
270 case PIPE_CAPF_MAX_POINT_WIDTH_AA
:
271 return 255.0; /* arbitrary */
272 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY
:
273 return 16.0; /* not actually signficant at this time */
274 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS
:
275 return 16.0; /* arbitrary */
276 case PIPE_CAPF_GUARD_BAND_LEFT
:
277 case PIPE_CAPF_GUARD_BAND_TOP
:
278 case PIPE_CAPF_GUARD_BAND_RIGHT
:
279 case PIPE_CAPF_GUARD_BAND_BOTTOM
:
282 /* should only get here on unhandled cases */
283 debug_printf("Unexpected PIPE_CAP %d query\n", param
);
289 * Query format support for creating a texture, drawing surface, etc.
290 * \param format the format to test
291 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
294 llvmpipe_is_format_supported( struct pipe_screen
*_screen
,
295 enum pipe_format format
,
296 enum pipe_texture_target target
,
297 unsigned sample_count
,
300 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
301 struct sw_winsys
*winsys
= screen
->winsys
;
302 const struct util_format_description
*format_desc
;
304 format_desc
= util_format_description(format
);
308 assert(target
== PIPE_BUFFER
||
309 target
== PIPE_TEXTURE_1D
||
310 target
== PIPE_TEXTURE_1D_ARRAY
||
311 target
== PIPE_TEXTURE_2D
||
312 target
== PIPE_TEXTURE_2D_ARRAY
||
313 target
== PIPE_TEXTURE_RECT
||
314 target
== PIPE_TEXTURE_3D
||
315 target
== PIPE_TEXTURE_CUBE
);
317 if (sample_count
> 1)
320 if (bind
& PIPE_BIND_RENDER_TARGET
) {
321 if (format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_RGB
)
324 if (format_desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
)
326 assert(format_desc
->block
.width
== 1);
327 assert(format_desc
->block
.height
== 1);
329 if (format_desc
->is_mixed
)
332 if (!format_desc
->is_array
&& !format_desc
->is_bitmask
)
336 * XXX refuse formats known to crash in generate_unswizzled_blend().
337 * These include all 3-channel 24bit RGB8 variants, plus 48bit
338 * (except those using floats) 3-channel RGB16 variants (the latter
339 * seems to be more of a llvm bug though).
340 * The mesa state tracker only seems to use these for SINT/UINT formats.
342 if (format_desc
->is_array
&& format_desc
->nr_channels
== 3) {
343 if (format_desc
->block
.bits
== 24 || (format_desc
->block
.bits
== 48 &&
344 !util_format_is_float(format
))) {
350 if (bind
& PIPE_BIND_DISPLAY_TARGET
) {
351 if(!winsys
->is_displaytarget_format_supported(winsys
, bind
, format
))
355 if (bind
& PIPE_BIND_DEPTH_STENCIL
) {
356 if (format_desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
)
359 if (format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
)
362 /* TODO: Support Z32_FLOAT_S8X24_UINT. See lp_bld_depth.c. */
363 if (format_desc
->block
.bits
> 32)
366 /* TODO: Support stencil-only formats */
367 if (format_desc
->swizzle
[0] == UTIL_FORMAT_SWIZZLE_NONE
) {
372 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_S3TC
) {
373 return util_format_s3tc_enabled
;
377 * Everything can be supported by u_format
378 * (those without fetch_rgba_float might be not but shouldn't hit that)
388 llvmpipe_flush_frontbuffer(struct pipe_screen
*_screen
,
389 struct pipe_resource
*resource
,
390 unsigned level
, unsigned layer
,
391 void *context_private
)
393 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
394 struct sw_winsys
*winsys
= screen
->winsys
;
395 struct llvmpipe_resource
*texture
= llvmpipe_resource(resource
);
399 winsys
->displaytarget_display(winsys
, texture
->dt
, context_private
);
404 llvmpipe_destroy_screen( struct pipe_screen
*_screen
)
406 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
407 struct sw_winsys
*winsys
= screen
->winsys
;
410 lp_rast_destroy(screen
->rast
);
412 lp_jit_screen_cleanup(screen
);
415 winsys
->destroy(winsys
);
417 pipe_mutex_destroy(screen
->rast_mutex
);
426 * Fence reference counting.
429 llvmpipe_fence_reference(struct pipe_screen
*screen
,
430 struct pipe_fence_handle
**ptr
,
431 struct pipe_fence_handle
*fence
)
433 struct lp_fence
**old
= (struct lp_fence
**) ptr
;
434 struct lp_fence
*f
= (struct lp_fence
*) fence
;
436 lp_fence_reference(old
, f
);
441 * Has the fence been executed/finished?
444 llvmpipe_fence_signalled(struct pipe_screen
*screen
,
445 struct pipe_fence_handle
*fence
)
447 struct lp_fence
*f
= (struct lp_fence
*) fence
;
448 return lp_fence_signalled(f
);
453 * Wait for the fence to finish.
456 llvmpipe_fence_finish(struct pipe_screen
*screen
,
457 struct pipe_fence_handle
*fence_handle
,
460 struct lp_fence
*f
= (struct lp_fence
*) fence_handle
;
467 llvmpipe_get_timestamp(struct pipe_screen
*_screen
)
469 return os_time_get_nano();
473 * Create a new pipe_screen object
474 * Note: we're not presently subclassing pipe_screen (no llvmpipe_screen).
477 llvmpipe_create_screen(struct sw_winsys
*winsys
)
479 struct llvmpipe_screen
*screen
;
482 /* require SSE2 due to LLVM PR6960. */
484 if (!util_cpu_caps
.has_sse2
)
489 LP_DEBUG
= debug_get_flags_option("LP_DEBUG", lp_debug_flags
, 0 );
492 LP_PERF
= debug_get_flags_option("LP_PERF", lp_perf_flags
, 0 );
494 screen
= CALLOC_STRUCT(llvmpipe_screen
);
498 screen
->winsys
= winsys
;
500 screen
->base
.destroy
= llvmpipe_destroy_screen
;
502 screen
->base
.get_name
= llvmpipe_get_name
;
503 screen
->base
.get_vendor
= llvmpipe_get_vendor
;
504 screen
->base
.get_param
= llvmpipe_get_param
;
505 screen
->base
.get_shader_param
= llvmpipe_get_shader_param
;
506 screen
->base
.get_paramf
= llvmpipe_get_paramf
;
507 screen
->base
.is_format_supported
= llvmpipe_is_format_supported
;
509 screen
->base
.context_create
= llvmpipe_create_context
;
510 screen
->base
.flush_frontbuffer
= llvmpipe_flush_frontbuffer
;
511 screen
->base
.fence_reference
= llvmpipe_fence_reference
;
512 screen
->base
.fence_signalled
= llvmpipe_fence_signalled
;
513 screen
->base
.fence_finish
= llvmpipe_fence_finish
;
515 screen
->base
.get_timestamp
= llvmpipe_get_timestamp
;
517 llvmpipe_init_screen_resource_funcs(&screen
->base
);
519 lp_jit_screen_init(screen
);
521 screen
->num_threads
= util_cpu_caps
.nr_cpus
> 1 ? util_cpu_caps
.nr_cpus
: 0;
522 #ifdef PIPE_SUBSYSTEM_EMBEDDED
523 screen
->num_threads
= 0;
525 screen
->num_threads
= debug_get_num_option("LP_NUM_THREADS", screen
->num_threads
);
526 screen
->num_threads
= MIN2(screen
->num_threads
, LP_MAX_THREADS
);
528 screen
->rast
= lp_rast_create(screen
->num_threads
);
530 lp_jit_screen_cleanup(screen
);
534 pipe_mutex_init(screen
->rast_mutex
);
536 util_format_s3tc_init();
538 return &screen
->base
;