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
:
112 case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES
:
114 case PIPE_CAP_TWO_SIDED_STENCIL
:
118 case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS
:
120 case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS
:
121 return PIPE_MAX_SO_BUFFERS
;
122 case PIPE_CAP_ANISOTROPIC_FILTER
:
124 case PIPE_CAP_POINT_SPRITE
:
126 case PIPE_CAP_MAX_RENDER_TARGETS
:
127 return PIPE_MAX_COLOR_BUFS
;
128 case PIPE_CAP_OCCLUSION_QUERY
:
130 case PIPE_CAP_QUERY_TIME_ELAPSED
:
132 case PIPE_CAP_QUERY_TIMESTAMP
:
134 case PIPE_CAP_QUERY_PIPELINE_STATISTICS
:
136 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
138 case PIPE_CAP_TEXTURE_SHADOW_MAP
:
140 case PIPE_CAP_TEXTURE_SWIZZLE
:
142 case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK
:
144 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
145 return LP_MAX_TEXTURE_2D_LEVELS
;
146 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
147 return LP_MAX_TEXTURE_3D_LEVELS
;
148 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
149 return LP_MAX_TEXTURE_CUBE_LEVELS
;
150 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS
:
151 return LP_MAX_TEXTURE_ARRAY_LAYERS
;
152 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
154 case PIPE_CAP_INDEP_BLEND_ENABLE
:
156 case PIPE_CAP_INDEP_BLEND_FUNC
:
158 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
159 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
160 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
162 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
164 case PIPE_CAP_PRIMITIVE_RESTART
:
166 case PIPE_CAP_DEPTH_CLIP_DISABLE
:
168 case PIPE_CAP_SHADER_STENCIL_EXPORT
:
170 case PIPE_CAP_TGSI_INSTANCEID
:
171 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR
:
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 case PIPE_CAP_SCALED_RESOLVE
:
182 /* this is a lie could support arbitrary large offsets */
183 case PIPE_CAP_MIN_TEXEL_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_STREAM_OUTPUT_PAUSE_RESUME
:
196 case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS
:
198 case PIPE_CAP_VERTEX_COLOR_UNCLAMPED
:
199 case PIPE_CAP_VERTEX_COLOR_CLAMPED
:
201 case PIPE_CAP_GLSL_FEATURE_LEVEL
:
203 case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION
:
205 case PIPE_CAP_COMPUTE
:
207 case PIPE_CAP_USER_VERTEX_BUFFERS
:
208 case PIPE_CAP_USER_INDEX_BUFFERS
:
210 case PIPE_CAP_USER_CONSTANT_BUFFERS
:
212 case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY
:
213 case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY
:
214 case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY
:
215 case PIPE_CAP_TGSI_TEXCOORD
:
218 case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT
:
220 case PIPE_CAP_START_INSTANCE
:
221 case PIPE_CAP_TEXTURE_MULTISAMPLE
:
222 case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT
:
223 case PIPE_CAP_CUBE_MAP_ARRAY
:
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
;
238 /* should only get here on unhandled cases */
239 debug_printf("Unexpected PIPE_CAP %d query\n", param
);
244 llvmpipe_get_shader_param(struct pipe_screen
*screen
, unsigned shader
, enum pipe_shader_cap param
)
248 case PIPE_SHADER_FRAGMENT
:
251 return gallivm_get_shader_param(param
);
253 case PIPE_SHADER_VERTEX
:
254 case PIPE_SHADER_GEOMETRY
:
256 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS
:
257 /* At this time, the draw module and llvmpipe driver only
258 * support vertex shader texture lookups when LLVM is enabled in
261 if (debug_get_bool_option("DRAW_USE_LLVM", TRUE
))
262 return PIPE_MAX_SAMPLERS
;
266 return draw_get_shader_param(shader
, param
);
274 llvmpipe_get_paramf(struct pipe_screen
*screen
, enum pipe_capf param
)
277 case PIPE_CAPF_MAX_LINE_WIDTH
:
279 case PIPE_CAPF_MAX_LINE_WIDTH_AA
:
280 return 255.0; /* arbitrary */
281 case PIPE_CAPF_MAX_POINT_WIDTH
:
283 case PIPE_CAPF_MAX_POINT_WIDTH_AA
:
284 return 255.0; /* arbitrary */
285 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY
:
286 return 16.0; /* not actually signficant at this time */
287 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS
:
288 return 16.0; /* arbitrary */
289 case PIPE_CAPF_GUARD_BAND_LEFT
:
290 case PIPE_CAPF_GUARD_BAND_TOP
:
291 case PIPE_CAPF_GUARD_BAND_RIGHT
:
292 case PIPE_CAPF_GUARD_BAND_BOTTOM
:
295 /* should only get here on unhandled cases */
296 debug_printf("Unexpected PIPE_CAP %d query\n", param
);
302 * Query format support for creating a texture, drawing surface, etc.
303 * \param format the format to test
304 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
307 llvmpipe_is_format_supported( struct pipe_screen
*_screen
,
308 enum pipe_format format
,
309 enum pipe_texture_target target
,
310 unsigned sample_count
,
313 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
314 struct sw_winsys
*winsys
= screen
->winsys
;
315 const struct util_format_description
*format_desc
;
317 format_desc
= util_format_description(format
);
321 assert(target
== PIPE_BUFFER
||
322 target
== PIPE_TEXTURE_1D
||
323 target
== PIPE_TEXTURE_1D_ARRAY
||
324 target
== PIPE_TEXTURE_2D
||
325 target
== PIPE_TEXTURE_2D_ARRAY
||
326 target
== PIPE_TEXTURE_RECT
||
327 target
== PIPE_TEXTURE_3D
||
328 target
== PIPE_TEXTURE_CUBE
);
330 if (sample_count
> 1)
333 if (bind
& PIPE_BIND_RENDER_TARGET
) {
334 if (format_desc
->colorspace
== UTIL_FORMAT_COLORSPACE_SRGB
) {
335 if (format_desc
->nr_channels
< 3)
338 else if (format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_RGB
)
341 if (format_desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
&&
342 format
!= PIPE_FORMAT_R11G11B10_FLOAT
)
345 assert(format_desc
->block
.width
== 1);
346 assert(format_desc
->block
.height
== 1);
348 if (format_desc
->is_mixed
)
351 if (!format_desc
->is_array
&& !format_desc
->is_bitmask
&&
352 format
!= PIPE_FORMAT_R11G11B10_FLOAT
)
356 * XXX refuse formats known to crash in generate_unswizzled_blend().
357 * These include all 3-channel 24bit RGB8 variants, plus 48bit
358 * (except those using floats) 3-channel RGB16 variants (the latter
359 * seems to be more of a llvm bug though).
360 * The mesa state tracker only seems to use these for SINT/UINT formats.
362 if (format_desc
->is_array
&& format_desc
->nr_channels
== 3) {
363 if (format_desc
->block
.bits
== 24 || (format_desc
->block
.bits
== 48 &&
364 !util_format_is_float(format
))) {
370 if (bind
& PIPE_BIND_DISPLAY_TARGET
) {
371 if(!winsys
->is_displaytarget_format_supported(winsys
, bind
, format
))
375 if (bind
& PIPE_BIND_DEPTH_STENCIL
) {
376 if (format_desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
)
379 if (format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
)
382 /* TODO: Support stencil-only formats */
383 if (format_desc
->swizzle
[0] == UTIL_FORMAT_SWIZZLE_NONE
) {
388 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_S3TC
) {
389 return util_format_s3tc_enabled
;
393 * Everything can be supported by u_format
394 * (those without fetch_rgba_float might be not but shouldn't hit that)
404 llvmpipe_flush_frontbuffer(struct pipe_screen
*_screen
,
405 struct pipe_resource
*resource
,
406 unsigned level
, unsigned layer
,
407 void *context_private
)
409 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
410 struct sw_winsys
*winsys
= screen
->winsys
;
411 struct llvmpipe_resource
*texture
= llvmpipe_resource(resource
);
415 winsys
->displaytarget_display(winsys
, texture
->dt
, context_private
);
420 llvmpipe_destroy_screen( struct pipe_screen
*_screen
)
422 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
423 struct sw_winsys
*winsys
= screen
->winsys
;
426 lp_rast_destroy(screen
->rast
);
428 lp_jit_screen_cleanup(screen
);
431 winsys
->destroy(winsys
);
433 pipe_mutex_destroy(screen
->rast_mutex
);
442 * Fence reference counting.
445 llvmpipe_fence_reference(struct pipe_screen
*screen
,
446 struct pipe_fence_handle
**ptr
,
447 struct pipe_fence_handle
*fence
)
449 struct lp_fence
**old
= (struct lp_fence
**) ptr
;
450 struct lp_fence
*f
= (struct lp_fence
*) fence
;
452 lp_fence_reference(old
, f
);
457 * Has the fence been executed/finished?
460 llvmpipe_fence_signalled(struct pipe_screen
*screen
,
461 struct pipe_fence_handle
*fence
)
463 struct lp_fence
*f
= (struct lp_fence
*) fence
;
464 return lp_fence_signalled(f
);
469 * Wait for the fence to finish.
472 llvmpipe_fence_finish(struct pipe_screen
*screen
,
473 struct pipe_fence_handle
*fence_handle
,
476 struct lp_fence
*f
= (struct lp_fence
*) fence_handle
;
483 llvmpipe_get_timestamp(struct pipe_screen
*_screen
)
485 return os_time_get_nano();
489 * Create a new pipe_screen object
490 * Note: we're not presently subclassing pipe_screen (no llvmpipe_screen).
493 llvmpipe_create_screen(struct sw_winsys
*winsys
)
495 struct llvmpipe_screen
*screen
;
499 #if defined(PIPE_ARCH_X86) && HAVE_LLVM < 0x0302
500 /* require SSE2 due to LLVM PR6960. */
501 if (!util_cpu_caps
.has_sse2
)
506 LP_DEBUG
= debug_get_flags_option("LP_DEBUG", lp_debug_flags
, 0 );
509 LP_PERF
= debug_get_flags_option("LP_PERF", lp_perf_flags
, 0 );
511 screen
= CALLOC_STRUCT(llvmpipe_screen
);
515 screen
->winsys
= winsys
;
517 screen
->base
.destroy
= llvmpipe_destroy_screen
;
519 screen
->base
.get_name
= llvmpipe_get_name
;
520 screen
->base
.get_vendor
= llvmpipe_get_vendor
;
521 screen
->base
.get_param
= llvmpipe_get_param
;
522 screen
->base
.get_shader_param
= llvmpipe_get_shader_param
;
523 screen
->base
.get_paramf
= llvmpipe_get_paramf
;
524 screen
->base
.is_format_supported
= llvmpipe_is_format_supported
;
526 screen
->base
.context_create
= llvmpipe_create_context
;
527 screen
->base
.flush_frontbuffer
= llvmpipe_flush_frontbuffer
;
528 screen
->base
.fence_reference
= llvmpipe_fence_reference
;
529 screen
->base
.fence_signalled
= llvmpipe_fence_signalled
;
530 screen
->base
.fence_finish
= llvmpipe_fence_finish
;
532 screen
->base
.get_timestamp
= llvmpipe_get_timestamp
;
534 llvmpipe_init_screen_resource_funcs(&screen
->base
);
536 lp_jit_screen_init(screen
);
538 screen
->num_threads
= util_cpu_caps
.nr_cpus
> 1 ? util_cpu_caps
.nr_cpus
: 0;
539 #ifdef PIPE_SUBSYSTEM_EMBEDDED
540 screen
->num_threads
= 0;
542 screen
->num_threads
= debug_get_num_option("LP_NUM_THREADS", screen
->num_threads
);
543 screen
->num_threads
= MIN2(screen
->num_threads
, LP_MAX_THREADS
);
545 screen
->rast
= lp_rast_create(screen
->num_threads
);
547 lp_jit_screen_cleanup(screen
);
551 pipe_mutex_init(screen
->rast_mutex
);
553 util_format_s3tc_init();
555 return &screen
->base
;