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_format.h"
31 #include "util/u_format_s3tc.h"
32 #include "pipe/p_defines.h"
33 #include "pipe/p_screen.h"
35 #include "lp_texture.h"
36 #include "lp_buffer.h"
39 #include "lp_screen.h"
40 #include "lp_context.h"
42 #include "lp_public.h"
44 #include "state_tracker/sw_winsys.h"
49 static const struct debug_named_value lp_debug_flags
[] = {
50 { "pipe", DEBUG_PIPE
},
51 { "tgsi", DEBUG_TGSI
},
54 { "setup", DEBUG_SETUP
},
55 { "rast", DEBUG_RAST
},
56 { "query", DEBUG_QUERY
},
57 { "screen", DEBUG_SCREEN
},
59 { "show_tiles", DEBUG_SHOW_TILES
},
60 { "show_subtiles", DEBUG_SHOW_SUBTILES
},
61 { "counters", DEBUG_COUNTERS
},
62 { "nopt", DEBUG_NO_LLVM_OPT
},
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
, int 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
:
98 case PIPE_CAP_ANISOTROPIC_FILTER
:
100 case PIPE_CAP_POINT_SPRITE
:
102 case PIPE_CAP_MAX_RENDER_TARGETS
:
103 return PIPE_MAX_COLOR_BUFS
;
104 case PIPE_CAP_OCCLUSION_QUERY
:
106 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
108 case PIPE_CAP_TEXTURE_MIRROR_REPEAT
:
110 case PIPE_CAP_TEXTURE_SHADOW_MAP
:
112 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
113 return LP_MAX_TEXTURE_2D_LEVELS
;
114 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
115 return LP_MAX_TEXTURE_3D_LEVELS
;
116 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
117 return LP_MAX_TEXTURE_2D_LEVELS
;
118 case PIPE_CAP_TGSI_CONT_SUPPORTED
:
120 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
122 case PIPE_CAP_INDEP_BLEND_ENABLE
:
124 case PIPE_CAP_INDEP_BLEND_FUNC
:
126 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
127 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
129 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
130 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
139 llvmpipe_get_paramf(struct pipe_screen
*screen
, int param
)
142 case PIPE_CAP_MAX_LINE_WIDTH
:
144 case PIPE_CAP_MAX_LINE_WIDTH_AA
:
145 return 255.0; /* arbitrary */
146 case PIPE_CAP_MAX_POINT_WIDTH
:
148 case PIPE_CAP_MAX_POINT_WIDTH_AA
:
149 return 255.0; /* arbitrary */
150 case PIPE_CAP_MAX_TEXTURE_ANISOTROPY
:
151 return 16.0; /* not actually signficant at this time */
152 case PIPE_CAP_MAX_TEXTURE_LOD_BIAS
:
153 return 16.0; /* arbitrary */
161 * Query format support for creating a texture, drawing surface, etc.
162 * \param format the format to test
163 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
166 llvmpipe_is_format_supported( struct pipe_screen
*_screen
,
167 enum pipe_format format
,
168 enum pipe_texture_target target
,
170 unsigned geom_flags
)
172 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
173 struct sw_winsys
*winsys
= screen
->winsys
;
174 const struct util_format_description
*format_desc
;
176 format_desc
= util_format_description(format
);
180 assert(target
== PIPE_TEXTURE_1D
||
181 target
== PIPE_TEXTURE_2D
||
182 target
== PIPE_TEXTURE_3D
||
183 target
== PIPE_TEXTURE_CUBE
);
186 case PIPE_FORMAT_DXT1_RGB
:
187 case PIPE_FORMAT_DXT1_RGBA
:
188 case PIPE_FORMAT_DXT3_RGBA
:
189 case PIPE_FORMAT_DXT5_RGBA
:
190 return util_format_s3tc_enabled
;
195 if(tex_usage
& PIPE_TEXTURE_USAGE_RENDER_TARGET
) {
196 if(format_desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
)
199 if(format_desc
->block
.width
!= 1 ||
200 format_desc
->block
.height
!= 1)
203 if(format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_RGB
&&
204 format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_SRGB
)
208 if(tex_usage
& (PIPE_TEXTURE_USAGE_DISPLAY_TARGET
|
209 PIPE_TEXTURE_USAGE_SCANOUT
|
210 PIPE_TEXTURE_USAGE_SHARED
)) {
211 if(!winsys
->is_displaytarget_format_supported(winsys
, tex_usage
, format
))
215 if(tex_usage
& PIPE_TEXTURE_USAGE_DEPTH_STENCIL
) {
216 if(format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
)
219 /* FIXME: Temporary restriction. See lp_state_fs.c. */
220 if(format_desc
->block
.bits
!= 32)
231 llvmpipe_flush_frontbuffer(struct pipe_screen
*_screen
,
232 struct pipe_surface
*surface
,
233 void *context_private
)
235 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
236 struct sw_winsys
*winsys
= screen
->winsys
;
237 struct llvmpipe_texture
*texture
= llvmpipe_texture(surface
->texture
);
241 winsys
->displaytarget_display(winsys
, texture
->dt
, context_private
);
246 llvmpipe_destroy_screen( struct pipe_screen
*_screen
)
248 struct llvmpipe_screen
*screen
= llvmpipe_screen(_screen
);
249 struct sw_winsys
*winsys
= screen
->winsys
;
251 lp_jit_screen_cleanup(screen
);
254 winsys
->destroy(winsys
);
262 * Create a new pipe_screen object
263 * Note: we're not presently subclassing pipe_screen (no llvmpipe_screen).
266 llvmpipe_create_screen(struct sw_winsys
*winsys
)
268 struct llvmpipe_screen
*screen
= CALLOC_STRUCT(llvmpipe_screen
);
271 LP_DEBUG
= debug_get_flags_option("LP_DEBUG", lp_debug_flags
, 0 );
277 screen
->winsys
= winsys
;
279 screen
->base
.destroy
= llvmpipe_destroy_screen
;
281 screen
->base
.get_name
= llvmpipe_get_name
;
282 screen
->base
.get_vendor
= llvmpipe_get_vendor
;
283 screen
->base
.get_param
= llvmpipe_get_param
;
284 screen
->base
.get_paramf
= llvmpipe_get_paramf
;
285 screen
->base
.is_format_supported
= llvmpipe_is_format_supported
;
287 screen
->base
.context_create
= llvmpipe_create_context
;
288 screen
->base
.flush_frontbuffer
= llvmpipe_flush_frontbuffer
;
290 util_format_s3tc_init();
292 llvmpipe_init_screen_texture_funcs(&screen
->base
);
293 llvmpipe_init_screen_buffer_funcs(&screen
->base
);
294 llvmpipe_init_screen_fence_funcs(&screen
->base
);
296 lp_jit_screen_init(screen
);
298 return &screen
->base
;