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"
48 #include "state_tracker/sw_winsys.h"
53 static const struct debug_named_value lp_debug_flags
[] = {
54 { "pipe", DEBUG_PIPE
, NULL
},
55 { "tgsi", DEBUG_TGSI
, NULL
},
56 { "tex", DEBUG_TEX
, NULL
},
57 { "setup", DEBUG_SETUP
, NULL
},
58 { "rast", DEBUG_RAST
, NULL
},
59 { "query", DEBUG_QUERY
, NULL
},
60 { "screen", DEBUG_SCREEN
, NULL
},
61 { "show_tiles", DEBUG_SHOW_TILES
, NULL
},
62 { "show_subtiles", DEBUG_SHOW_SUBTILES
, NULL
},
63 { "counters", DEBUG_COUNTERS
, NULL
},
70 llvmpipe_get_vendor(struct pipe_screen
*screen
)
72 return "VMware, Inc.";
77 llvmpipe_get_name(struct pipe_screen
*screen
)
84 llvmpipe_get_param(struct pipe_screen
*screen
, enum pipe_cap param
)
87 case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS
:
88 return PIPE_MAX_SAMPLERS
;
89 case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS
:
90 return PIPE_MAX_VERTEX_SAMPLERS
;
91 case PIPE_CAP_MAX_COMBINED_SAMPLERS
:
92 return PIPE_MAX_SAMPLERS
+ PIPE_MAX_VERTEX_SAMPLERS
;
93 case PIPE_CAP_NPOT_TEXTURES
:
95 case PIPE_CAP_TWO_SIDED_STENCIL
:
101 case PIPE_CAP_ANISOTROPIC_FILTER
:
103 case PIPE_CAP_POINT_SPRITE
:
105 case PIPE_CAP_MAX_RENDER_TARGETS
:
106 return PIPE_MAX_COLOR_BUFS
;
107 case PIPE_CAP_OCCLUSION_QUERY
:
109 case PIPE_CAP_TIMER_QUERY
:
111 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
113 case PIPE_CAP_TEXTURE_MIRROR_REPEAT
:
115 case PIPE_CAP_TEXTURE_SHADOW_MAP
:
117 case PIPE_CAP_TEXTURE_SWIZZLE
:
119 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
120 return LP_MAX_TEXTURE_2D_LEVELS
;
121 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
122 return LP_MAX_TEXTURE_3D_LEVELS
;
123 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
124 return LP_MAX_TEXTURE_2D_LEVELS
;
125 case PIPE_CAP_TGSI_CONT_SUPPORTED
:
127 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
129 case PIPE_CAP_INDEP_BLEND_ENABLE
:
131 case PIPE_CAP_INDEP_BLEND_FUNC
:
133 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
134 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
136 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
137 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
139 case PIPE_CAP_MAX_VS_INSTRUCTIONS
:
140 case PIPE_CAP_MAX_FS_INSTRUCTIONS
:
141 case PIPE_CAP_MAX_VS_ALU_INSTRUCTIONS
:
142 case PIPE_CAP_MAX_FS_ALU_INSTRUCTIONS
:
143 case PIPE_CAP_MAX_VS_TEX_INSTRUCTIONS
:
144 case PIPE_CAP_MAX_FS_TEX_INSTRUCTIONS
:
145 case PIPE_CAP_MAX_VS_TEX_INDIRECTIONS
:
146 case PIPE_CAP_MAX_FS_TEX_INDIRECTIONS
:
147 /* There is no limit in number of instructions beyond available memory */
149 case PIPE_CAP_MAX_VS_CONTROL_FLOW_DEPTH
:
150 case PIPE_CAP_MAX_FS_CONTROL_FLOW_DEPTH
:
151 return LP_MAX_TGSI_NESTING
;
152 case PIPE_CAP_MAX_VS_INPUTS
:
153 case PIPE_CAP_MAX_FS_INPUTS
:
154 return PIPE_MAX_ATTRIBS
;
155 case PIPE_CAP_MAX_FS_CONSTS
:
156 case PIPE_CAP_MAX_VS_CONSTS
:
157 /* There is no limit in number of constants beyond available memory */
159 case PIPE_CAP_MAX_VS_TEMPS
:
160 case PIPE_CAP_MAX_FS_TEMPS
:
161 return LP_MAX_TGSI_TEMPS
;
162 case PIPE_CAP_MAX_VS_ADDRS
:
163 case PIPE_CAP_MAX_FS_ADDRS
:
164 return LP_MAX_TGSI_ADDRS
;
165 case PIPE_CAP_MAX_VS_PREDS
:
166 case PIPE_CAP_MAX_FS_PREDS
:
167 return LP_MAX_TGSI_PREDS
;
168 case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE
:
170 case PIPE_CAP_GEOMETRY_SHADER4
:
180 llvmpipe_get_paramf(struct pipe_screen
*screen
, enum pipe_cap param
)
183 case PIPE_CAP_MAX_LINE_WIDTH
:
185 case PIPE_CAP_MAX_LINE_WIDTH_AA
:
186 return 255.0; /* arbitrary */
187 case PIPE_CAP_MAX_POINT_WIDTH
:
189 case PIPE_CAP_MAX_POINT_WIDTH_AA
:
190 return 255.0; /* arbitrary */
191 case PIPE_CAP_MAX_TEXTURE_ANISOTROPY
:
192 return 16.0; /* not actually signficant at this time */
193 case PIPE_CAP_MAX_TEXTURE_LOD_BIAS
:
194 return 16.0; /* arbitrary */
195 case PIPE_CAP_GUARD_BAND_LEFT
:
196 case PIPE_CAP_GUARD_BAND_TOP
:
197 case PIPE_CAP_GUARD_BAND_RIGHT
:
198 case PIPE_CAP_GUARD_BAND_BOTTOM
:
208 * Query format support for creating a texture, drawing surface, etc.
209 * \param format the format to test
210 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
213 llvmpipe_is_format_supported( struct pipe_screen
*_screen
,
214 enum pipe_format format
,
215 enum pipe_texture_target target
,
216 unsigned sample_count
,
218 unsigned geom_flags
)
220 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
221 struct sw_winsys
*winsys
= screen
->winsys
;
222 const struct util_format_description
*format_desc
;
224 format_desc
= util_format_description(format
);
228 assert(target
== PIPE_BUFFER
||
229 target
== PIPE_TEXTURE_1D
||
230 target
== PIPE_TEXTURE_2D
||
231 target
== PIPE_TEXTURE_3D
||
232 target
== PIPE_TEXTURE_CUBE
);
234 if (sample_count
> 1)
237 if (bind
& PIPE_BIND_RENDER_TARGET
) {
238 if (format_desc
->colorspace
== UTIL_FORMAT_COLORSPACE_ZS
)
241 if (format_desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
)
244 if (format_desc
->block
.width
!= 1 ||
245 format_desc
->block
.height
!= 1)
249 if (bind
& PIPE_BIND_DISPLAY_TARGET
) {
250 if(!winsys
->is_displaytarget_format_supported(winsys
, bind
, format
))
254 if (bind
& PIPE_BIND_DEPTH_STENCIL
) {
255 if (format_desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
)
258 if (format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
)
261 /* FIXME: Temporary restriction. See lp_state_fs.c. */
262 if (format_desc
->block
.bits
!= 32)
266 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_S3TC
) {
267 return util_format_s3tc_enabled
;
271 * Everything else should be supported by u_format.
280 llvmpipe_flush_frontbuffer(struct pipe_screen
*_screen
,
281 struct pipe_surface
*surface
,
282 void *context_private
)
284 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
285 struct sw_winsys
*winsys
= screen
->winsys
;
286 struct llvmpipe_resource
*texture
= llvmpipe_resource(surface
->texture
);
290 winsys
->displaytarget_display(winsys
, texture
->dt
, context_private
);
295 llvmpipe_destroy_screen( struct pipe_screen
*_screen
)
297 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
298 struct sw_winsys
*winsys
= screen
->winsys
;
301 lp_rast_destroy(screen
->rast
);
303 lp_jit_screen_cleanup(screen
);
306 winsys
->destroy(winsys
);
308 pipe_mutex_destroy(screen
->rast_mutex
);
316 * Create a new pipe_screen object
317 * Note: we're not presently subclassing pipe_screen (no llvmpipe_screen).
320 llvmpipe_create_screen(struct sw_winsys
*winsys
)
322 struct llvmpipe_screen
*screen
;
325 /* require SSE2 due to LLVM PR6960. */
327 if (!util_cpu_caps
.has_sse2
)
331 screen
= CALLOC_STRUCT(llvmpipe_screen
);
334 LP_DEBUG
= debug_get_flags_option("LP_DEBUG", lp_debug_flags
, 0 );
340 screen
->winsys
= winsys
;
342 screen
->base
.destroy
= llvmpipe_destroy_screen
;
344 screen
->base
.get_name
= llvmpipe_get_name
;
345 screen
->base
.get_vendor
= llvmpipe_get_vendor
;
346 screen
->base
.get_param
= llvmpipe_get_param
;
347 screen
->base
.get_paramf
= llvmpipe_get_paramf
;
348 screen
->base
.is_format_supported
= llvmpipe_is_format_supported
;
350 screen
->base
.context_create
= llvmpipe_create_context
;
351 screen
->base
.flush_frontbuffer
= llvmpipe_flush_frontbuffer
;
353 llvmpipe_init_screen_resource_funcs(&screen
->base
);
354 llvmpipe_init_screen_fence_funcs(&screen
->base
);
356 lp_jit_screen_init(screen
);
358 #ifdef PIPE_OS_EMBEDDED
359 screen
->num_threads
= 0;
361 screen
->num_threads
= util_cpu_caps
.nr_cpus
;
363 screen
->num_threads
= debug_get_num_option("LP_NUM_THREADS", screen
->num_threads
);
364 screen
->num_threads
= MIN2(screen
->num_threads
, LP_MAX_THREADS
);
366 screen
->rast
= lp_rast_create(screen
->num_threads
);
368 lp_jit_screen_cleanup(screen
);
372 pipe_mutex_init(screen
->rast_mutex
);
374 util_format_s3tc_init();
376 return &screen
->base
;