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"
39 #include "lp_texture.h"
42 #include "lp_screen.h"
43 #include "lp_context.h"
45 #include "lp_public.h"
46 #include "lp_limits.h"
49 #include "state_tracker/sw_winsys.h"
54 static const struct debug_named_value lp_debug_flags
[] = {
55 { "pipe", DEBUG_PIPE
, NULL
},
56 { "tgsi", DEBUG_TGSI
, NULL
},
57 { "tex", DEBUG_TEX
, NULL
},
58 { "setup", DEBUG_SETUP
, NULL
},
59 { "rast", DEBUG_RAST
, NULL
},
60 { "query", DEBUG_QUERY
, NULL
},
61 { "screen", DEBUG_SCREEN
, NULL
},
62 { "show_tiles", DEBUG_SHOW_TILES
, NULL
},
63 { "show_subtiles", DEBUG_SHOW_SUBTILES
, 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 0x%x)", HAVE_LLVM
);
104 llvmpipe_get_param(struct pipe_screen
*screen
, enum pipe_cap param
)
107 case PIPE_CAP_MAX_COMBINED_SAMPLERS
:
108 return PIPE_MAX_SAMPLERS
+ PIPE_MAX_VERTEX_SAMPLERS
;
109 case PIPE_CAP_NPOT_TEXTURES
:
111 case PIPE_CAP_TWO_SIDED_STENCIL
:
117 case PIPE_CAP_ANISOTROPIC_FILTER
:
119 case PIPE_CAP_POINT_SPRITE
:
121 case PIPE_CAP_MAX_RENDER_TARGETS
:
122 return PIPE_MAX_COLOR_BUFS
;
123 case PIPE_CAP_OCCLUSION_QUERY
:
125 case PIPE_CAP_TIMER_QUERY
:
127 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
129 case PIPE_CAP_TEXTURE_SHADOW_MAP
:
131 case PIPE_CAP_TEXTURE_SWIZZLE
:
133 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
134 return LP_MAX_TEXTURE_2D_LEVELS
;
135 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
136 return LP_MAX_TEXTURE_3D_LEVELS
;
137 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
138 return LP_MAX_TEXTURE_2D_LEVELS
;
139 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
141 case PIPE_CAP_INDEP_BLEND_ENABLE
:
143 case PIPE_CAP_INDEP_BLEND_FUNC
:
145 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
146 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
148 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
149 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
151 case PIPE_CAP_PRIMITIVE_RESTART
:
153 case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE
:
155 case PIPE_CAP_DEPTH_CLAMP
:
157 case PIPE_CAP_TGSI_INSTANCEID
:
158 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR
:
159 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS
:
160 case PIPE_CAP_CONDITIONAL_RENDER
:
168 llvmpipe_get_shader_param(struct pipe_screen
*screen
, unsigned shader
, enum pipe_shader_cap param
)
172 case PIPE_SHADER_FRAGMENT
:
173 return tgsi_exec_get_shader_param(param
);
174 case PIPE_SHADER_VERTEX
:
175 case PIPE_SHADER_GEOMETRY
:
177 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS
:
178 /* At this time, the draw module and llvmpipe driver only
179 * support vertex shader texture lookups when LLVM is enabled in
182 if (debug_get_bool_option("DRAW_USE_LLVM", TRUE
))
183 return PIPE_MAX_VERTEX_SAMPLERS
;
187 return draw_get_shader_param(shader
, param
);
195 llvmpipe_get_paramf(struct pipe_screen
*screen
, enum pipe_cap param
)
198 case PIPE_CAP_MAX_LINE_WIDTH
:
200 case PIPE_CAP_MAX_LINE_WIDTH_AA
:
201 return 255.0; /* arbitrary */
202 case PIPE_CAP_MAX_POINT_WIDTH
:
204 case PIPE_CAP_MAX_POINT_WIDTH_AA
:
205 return 255.0; /* arbitrary */
206 case PIPE_CAP_MAX_TEXTURE_ANISOTROPY
:
207 return 16.0; /* not actually signficant at this time */
208 case PIPE_CAP_MAX_TEXTURE_LOD_BIAS
:
209 return 16.0; /* arbitrary */
210 case PIPE_CAP_GUARD_BAND_LEFT
:
211 case PIPE_CAP_GUARD_BAND_TOP
:
212 case PIPE_CAP_GUARD_BAND_RIGHT
:
213 case PIPE_CAP_GUARD_BAND_BOTTOM
:
223 * Query format support for creating a texture, drawing surface, etc.
224 * \param format the format to test
225 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
228 llvmpipe_is_format_supported( struct pipe_screen
*_screen
,
229 enum pipe_format format
,
230 enum pipe_texture_target target
,
231 unsigned sample_count
,
234 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
235 struct sw_winsys
*winsys
= screen
->winsys
;
236 const struct util_format_description
*format_desc
;
238 format_desc
= util_format_description(format
);
242 assert(target
== PIPE_BUFFER
||
243 target
== PIPE_TEXTURE_1D
||
244 target
== PIPE_TEXTURE_2D
||
245 target
== PIPE_TEXTURE_RECT
||
246 target
== PIPE_TEXTURE_3D
||
247 target
== PIPE_TEXTURE_CUBE
);
249 if (sample_count
> 1)
252 if (bind
& PIPE_BIND_RENDER_TARGET
) {
253 if (format_desc
->colorspace
== UTIL_FORMAT_COLORSPACE_ZS
||
254 format_desc
->colorspace
== UTIL_FORMAT_COLORSPACE_SRGB
)
257 if (format_desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
)
260 if (format_desc
->block
.width
!= 1 ||
261 format_desc
->block
.height
!= 1)
265 if (bind
& PIPE_BIND_DISPLAY_TARGET
) {
266 if(!winsys
->is_displaytarget_format_supported(winsys
, bind
, format
))
270 if (bind
& PIPE_BIND_DEPTH_STENCIL
) {
271 if (format_desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
)
274 if (format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
)
277 /* FIXME: Temporary restriction. See lp_state_fs.c. */
278 if (format_desc
->block
.bits
!= 32)
282 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_S3TC
) {
283 return util_format_s3tc_enabled
;
287 * Everything can be supported by u_format.
290 if (format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
&&
291 !format_desc
->fetch_rgba_float
) {
302 llvmpipe_flush_frontbuffer(struct pipe_screen
*_screen
,
303 struct pipe_resource
*resource
,
304 unsigned level
, unsigned layer
,
305 void *context_private
)
307 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
308 struct sw_winsys
*winsys
= screen
->winsys
;
309 struct llvmpipe_resource
*texture
= llvmpipe_resource(resource
);
313 winsys
->displaytarget_display(winsys
, texture
->dt
, context_private
);
318 llvmpipe_destroy_screen( struct pipe_screen
*_screen
)
320 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
321 struct sw_winsys
*winsys
= screen
->winsys
;
324 lp_rast_destroy(screen
->rast
);
326 lp_jit_screen_cleanup(screen
);
329 winsys
->destroy(winsys
);
331 pipe_mutex_destroy(screen
->rast_mutex
);
340 * Fence reference counting.
343 llvmpipe_fence_reference(struct pipe_screen
*screen
,
344 struct pipe_fence_handle
**ptr
,
345 struct pipe_fence_handle
*fence
)
347 struct lp_fence
**old
= (struct lp_fence
**) ptr
;
348 struct lp_fence
*f
= (struct lp_fence
*) fence
;
350 lp_fence_reference(old
, f
);
355 * Has the fence been executed/finished?
358 llvmpipe_fence_signalled(struct pipe_screen
*screen
,
359 struct pipe_fence_handle
*fence
)
361 struct lp_fence
*f
= (struct lp_fence
*) fence
;
362 return lp_fence_signalled(f
);
367 * Wait for the fence to finish.
370 llvmpipe_fence_finish(struct pipe_screen
*screen
,
371 struct pipe_fence_handle
*fence_handle
,
374 struct lp_fence
*f
= (struct lp_fence
*) fence_handle
;
383 * Create a new pipe_screen object
384 * Note: we're not presently subclassing pipe_screen (no llvmpipe_screen).
387 llvmpipe_create_screen(struct sw_winsys
*winsys
)
389 struct llvmpipe_screen
*screen
;
392 /* require SSE2 due to LLVM PR6960. */
394 if (!util_cpu_caps
.has_sse2
)
398 screen
= CALLOC_STRUCT(llvmpipe_screen
);
401 LP_DEBUG
= debug_get_flags_option("LP_DEBUG", lp_debug_flags
, 0 );
404 LP_PERF
= debug_get_flags_option("LP_PERF", lp_perf_flags
, 0 );
409 screen
->winsys
= winsys
;
411 screen
->base
.destroy
= llvmpipe_destroy_screen
;
413 screen
->base
.get_name
= llvmpipe_get_name
;
414 screen
->base
.get_vendor
= llvmpipe_get_vendor
;
415 screen
->base
.get_param
= llvmpipe_get_param
;
416 screen
->base
.get_shader_param
= llvmpipe_get_shader_param
;
417 screen
->base
.get_paramf
= llvmpipe_get_paramf
;
418 screen
->base
.is_format_supported
= llvmpipe_is_format_supported
;
420 screen
->base
.context_create
= llvmpipe_create_context
;
421 screen
->base
.flush_frontbuffer
= llvmpipe_flush_frontbuffer
;
422 screen
->base
.fence_reference
= llvmpipe_fence_reference
;
423 screen
->base
.fence_signalled
= llvmpipe_fence_signalled
;
424 screen
->base
.fence_finish
= llvmpipe_fence_finish
;
426 llvmpipe_init_screen_resource_funcs(&screen
->base
);
428 lp_jit_screen_init(screen
);
430 screen
->num_threads
= util_cpu_caps
.nr_cpus
> 1 ? util_cpu_caps
.nr_cpus
: 0;
431 #ifdef PIPE_SUBSYSTEM_EMBEDDED
432 screen
->num_threads
= 0;
434 screen
->num_threads
= debug_get_num_option("LP_NUM_THREADS", screen
->num_threads
);
435 screen
->num_threads
= MIN2(screen
->num_threads
, LP_MAX_THREADS
);
437 screen
->rast
= lp_rast_create(screen
->num_threads
);
439 lp_jit_screen_cleanup(screen
);
443 pipe_mutex_init(screen
->rast_mutex
);
445 util_format_s3tc_init();
447 return &screen
->base
;