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_format_s3tc.h"
34 #include "pipe/p_defines.h"
35 #include "pipe/p_screen.h"
37 #include "gallivm/lp_bld_limits.h"
38 #include "lp_texture.h"
41 #include "lp_screen.h"
42 #include "lp_context.h"
44 #include "lp_public.h"
45 #include "lp_limits.h"
47 #include "state_tracker/sw_winsys.h"
52 static const struct debug_named_value lp_debug_flags
[] = {
53 { "pipe", DEBUG_PIPE
},
54 { "tgsi", DEBUG_TGSI
},
56 { "setup", DEBUG_SETUP
},
57 { "rast", DEBUG_RAST
},
58 { "query", DEBUG_QUERY
},
59 { "screen", DEBUG_SCREEN
},
60 { "show_tiles", DEBUG_SHOW_TILES
},
61 { "show_subtiles", DEBUG_SHOW_SUBTILES
},
62 { "counters", DEBUG_COUNTERS
},
69 llvmpipe_get_vendor(struct pipe_screen
*screen
)
71 return "VMware, Inc.";
76 llvmpipe_get_name(struct pipe_screen
*screen
)
83 llvmpipe_get_param(struct pipe_screen
*screen
, enum pipe_cap param
)
86 case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS
:
87 return PIPE_MAX_SAMPLERS
;
88 case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS
:
90 case PIPE_CAP_MAX_COMBINED_SAMPLERS
:
91 return PIPE_MAX_SAMPLERS
+ PIPE_MAX_VERTEX_SAMPLERS
;
92 case PIPE_CAP_NPOT_TEXTURES
:
94 case PIPE_CAP_TWO_SIDED_STENCIL
:
100 case PIPE_CAP_ANISOTROPIC_FILTER
:
102 case PIPE_CAP_POINT_SPRITE
:
104 case PIPE_CAP_MAX_RENDER_TARGETS
:
105 return PIPE_MAX_COLOR_BUFS
;
106 case PIPE_CAP_OCCLUSION_QUERY
:
108 case PIPE_CAP_TIMER_QUERY
:
110 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
112 case PIPE_CAP_TEXTURE_MIRROR_REPEAT
:
114 case PIPE_CAP_TEXTURE_SHADOW_MAP
:
116 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
117 return LP_MAX_TEXTURE_2D_LEVELS
;
118 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
119 return LP_MAX_TEXTURE_3D_LEVELS
;
120 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
121 return LP_MAX_TEXTURE_2D_LEVELS
;
122 case PIPE_CAP_TGSI_CONT_SUPPORTED
:
124 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
126 case PIPE_CAP_INDEP_BLEND_ENABLE
:
128 case PIPE_CAP_INDEP_BLEND_FUNC
:
130 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
131 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
133 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
134 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
136 case PIPE_CAP_MAX_VS_INSTRUCTIONS
:
137 case PIPE_CAP_MAX_FS_INSTRUCTIONS
:
138 case PIPE_CAP_MAX_VS_ALU_INSTRUCTIONS
:
139 case PIPE_CAP_MAX_FS_ALU_INSTRUCTIONS
:
140 case PIPE_CAP_MAX_VS_TEX_INSTRUCTIONS
:
141 case PIPE_CAP_MAX_FS_TEX_INSTRUCTIONS
:
142 case PIPE_CAP_MAX_VS_TEX_INDIRECTIONS
:
143 case PIPE_CAP_MAX_FS_TEX_INDIRECTIONS
:
144 /* There is no limit in number of instructions beyond available memory */
146 case PIPE_CAP_MAX_VS_CONTROL_FLOW_DEPTH
:
147 case PIPE_CAP_MAX_FS_CONTROL_FLOW_DEPTH
:
148 return LP_MAX_TGSI_NESTING
;
149 case PIPE_CAP_MAX_VS_INPUTS
:
150 case PIPE_CAP_MAX_FS_INPUTS
:
151 return PIPE_MAX_ATTRIBS
;
152 case PIPE_CAP_MAX_FS_CONSTS
:
153 case PIPE_CAP_MAX_VS_CONSTS
:
154 /* There is no limit in number of constants beyond available memory */
156 case PIPE_CAP_MAX_VS_TEMPS
:
157 case PIPE_CAP_MAX_FS_TEMPS
:
158 return LP_MAX_TGSI_TEMPS
;
159 case PIPE_CAP_MAX_VS_ADDRS
:
160 case PIPE_CAP_MAX_FS_ADDRS
:
161 return LP_MAX_TGSI_ADDRS
;
162 case PIPE_CAP_MAX_VS_PREDS
:
163 case PIPE_CAP_MAX_FS_PREDS
:
164 return LP_MAX_TGSI_PREDS
;
173 llvmpipe_get_paramf(struct pipe_screen
*screen
, enum pipe_cap param
)
176 case PIPE_CAP_MAX_LINE_WIDTH
:
178 case PIPE_CAP_MAX_LINE_WIDTH_AA
:
179 return 255.0; /* arbitrary */
180 case PIPE_CAP_MAX_POINT_WIDTH
:
182 case PIPE_CAP_MAX_POINT_WIDTH_AA
:
183 return 255.0; /* arbitrary */
184 case PIPE_CAP_MAX_TEXTURE_ANISOTROPY
:
185 return 16.0; /* not actually signficant at this time */
186 case PIPE_CAP_MAX_TEXTURE_LOD_BIAS
:
187 return 16.0; /* arbitrary */
188 case PIPE_CAP_GUARD_BAND_LEFT
:
189 case PIPE_CAP_GUARD_BAND_TOP
:
190 case PIPE_CAP_GUARD_BAND_RIGHT
:
191 case PIPE_CAP_GUARD_BAND_BOTTOM
:
201 * Query format support for creating a texture, drawing surface, etc.
202 * \param format the format to test
203 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
206 llvmpipe_is_format_supported( struct pipe_screen
*_screen
,
207 enum pipe_format format
,
208 enum pipe_texture_target target
,
209 unsigned sample_count
,
211 unsigned geom_flags
)
213 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
214 struct sw_winsys
*winsys
= screen
->winsys
;
215 const struct util_format_description
*format_desc
;
217 format_desc
= util_format_description(format
);
221 assert(target
== PIPE_TEXTURE_1D
||
222 target
== PIPE_TEXTURE_2D
||
223 target
== PIPE_TEXTURE_3D
||
224 target
== PIPE_TEXTURE_CUBE
);
226 if (sample_count
> 1)
229 if (bind
& PIPE_BIND_RENDER_TARGET
) {
230 if (format_desc
->colorspace
== UTIL_FORMAT_COLORSPACE_ZS
)
233 if (format_desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
)
236 if (format_desc
->block
.width
!= 1 ||
237 format_desc
->block
.height
!= 1)
241 if (bind
& PIPE_BIND_DISPLAY_TARGET
) {
242 if(!winsys
->is_displaytarget_format_supported(winsys
, bind
, format
))
246 if (bind
& PIPE_BIND_DEPTH_STENCIL
) {
247 if (format_desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
)
250 if (format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
)
253 /* FIXME: Temporary restriction. See lp_state_fs.c. */
254 if (format_desc
->block
.bits
!= 32)
258 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_S3TC
) {
259 return util_format_s3tc_enabled
;
263 * Everything else should be supported by u_format.
272 llvmpipe_flush_frontbuffer(struct pipe_screen
*_screen
,
273 struct pipe_surface
*surface
,
274 void *context_private
)
276 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
277 struct sw_winsys
*winsys
= screen
->winsys
;
278 struct llvmpipe_resource
*texture
= llvmpipe_resource(surface
->texture
);
282 winsys
->displaytarget_display(winsys
, texture
->dt
, context_private
);
287 llvmpipe_destroy_screen( struct pipe_screen
*_screen
)
289 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
290 struct sw_winsys
*winsys
= screen
->winsys
;
292 lp_jit_screen_cleanup(screen
);
295 winsys
->destroy(winsys
);
303 * Create a new pipe_screen object
304 * Note: we're not presently subclassing pipe_screen (no llvmpipe_screen).
307 llvmpipe_create_screen(struct sw_winsys
*winsys
)
309 struct llvmpipe_screen
*screen
;
312 /* require SSE2 due to LLVM PR6960. */
314 if (!util_cpu_caps
.has_sse2
)
318 screen
= CALLOC_STRUCT(llvmpipe_screen
);
321 LP_DEBUG
= debug_get_flags_option("LP_DEBUG", lp_debug_flags
, 0 );
327 screen
->winsys
= winsys
;
329 screen
->base
.destroy
= llvmpipe_destroy_screen
;
331 screen
->base
.get_name
= llvmpipe_get_name
;
332 screen
->base
.get_vendor
= llvmpipe_get_vendor
;
333 screen
->base
.get_param
= llvmpipe_get_param
;
334 screen
->base
.get_paramf
= llvmpipe_get_paramf
;
335 screen
->base
.is_format_supported
= llvmpipe_is_format_supported
;
337 screen
->base
.context_create
= llvmpipe_create_context
;
338 screen
->base
.flush_frontbuffer
= llvmpipe_flush_frontbuffer
;
340 llvmpipe_init_screen_resource_funcs(&screen
->base
);
341 llvmpipe_init_screen_fence_funcs(&screen
->base
);
343 lp_jit_screen_init(screen
);
345 #ifdef PIPE_OS_WINDOWS
346 /* Multithreading not supported on windows until conditions and barriers are
347 * properly implemented. */
348 screen
->num_threads
= 0;
350 #ifdef PIPE_OS_EMBEDDED
351 screen
->num_threads
= 0;
353 screen
->num_threads
= util_cpu_caps
.nr_cpus
;
355 screen
->num_threads
= debug_get_num_option("LP_NUM_THREADS", screen
->num_threads
);
356 screen
->num_threads
= MIN2(screen
->num_threads
, LP_MAX_THREADS
);
359 util_format_s3tc_init();
361 return &screen
->base
;