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 "state_tracker/sw_winsys.h"
36 #include "tgsi/tgsi_exec.h"
38 #include "sp_texture.h"
39 #include "sp_screen.h"
40 #include "sp_context.h"
42 #include "sp_public.h"
46 softpipe_get_vendor(struct pipe_screen
*screen
)
48 return "VMware, Inc.";
53 softpipe_get_name(struct pipe_screen
*screen
)
60 softpipe_get_param(struct pipe_screen
*screen
, enum pipe_cap param
)
63 case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS
:
64 return PIPE_MAX_SAMPLERS
;
65 case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS
:
66 return PIPE_MAX_VERTEX_SAMPLERS
;
67 case PIPE_CAP_MAX_COMBINED_SAMPLERS
:
68 return PIPE_MAX_SAMPLERS
+ PIPE_MAX_VERTEX_SAMPLERS
;
69 case PIPE_CAP_NPOT_TEXTURES
:
71 case PIPE_CAP_TWO_SIDED_STENCIL
:
77 case PIPE_CAP_ANISOTROPIC_FILTER
:
79 case PIPE_CAP_POINT_SPRITE
:
81 case PIPE_CAP_MAX_RENDER_TARGETS
:
82 return PIPE_MAX_COLOR_BUFS
;
83 case PIPE_CAP_OCCLUSION_QUERY
:
85 case PIPE_CAP_TIMER_QUERY
:
87 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
89 case PIPE_CAP_TEXTURE_MIRROR_REPEAT
:
91 case PIPE_CAP_TEXTURE_SHADOW_MAP
:
93 case PIPE_CAP_TEXTURE_SWIZZLE
:
95 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
96 return SP_MAX_TEXTURE_2D_LEVELS
;
97 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
98 return SP_MAX_TEXTURE_3D_LEVELS
;
99 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
100 return SP_MAX_TEXTURE_2D_LEVELS
;
101 case PIPE_CAP_TGSI_CONT_SUPPORTED
:
103 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
105 case PIPE_CAP_MAX_CONST_BUFFERS
:
106 return PIPE_MAX_CONSTANT_BUFFERS
;
107 case PIPE_CAP_MAX_CONST_BUFFER_SIZE
:
108 return 4096 * 4 * sizeof(float);
109 case PIPE_CAP_INDEP_BLEND_ENABLE
:
111 case PIPE_CAP_INDEP_BLEND_FUNC
:
113 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
114 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
115 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
116 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
118 case PIPE_CAP_STREAM_OUTPUT
:
121 case PIPE_CAP_MAX_VS_INSTRUCTIONS
:
122 case PIPE_CAP_MAX_FS_INSTRUCTIONS
:
123 case PIPE_CAP_MAX_VS_ALU_INSTRUCTIONS
:
124 case PIPE_CAP_MAX_FS_ALU_INSTRUCTIONS
:
125 case PIPE_CAP_MAX_VS_TEX_INSTRUCTIONS
:
126 case PIPE_CAP_MAX_FS_TEX_INSTRUCTIONS
:
127 case PIPE_CAP_MAX_VS_TEX_INDIRECTIONS
:
128 case PIPE_CAP_MAX_FS_TEX_INDIRECTIONS
:
129 /* There is no limit in number of instructions beyond available memory */
131 case PIPE_CAP_MAX_VS_CONTROL_FLOW_DEPTH
:
132 case PIPE_CAP_MAX_FS_CONTROL_FLOW_DEPTH
:
133 return TGSI_EXEC_MAX_NESTING
;
134 case PIPE_CAP_MAX_VS_INPUTS
:
135 case PIPE_CAP_MAX_FS_INPUTS
:
136 return TGSI_EXEC_MAX_INPUT_ATTRIBS
;
137 case PIPE_CAP_MAX_FS_CONSTS
:
138 case PIPE_CAP_MAX_VS_CONSTS
:
139 return TGSI_EXEC_MAX_CONST_BUFFER
;
140 case PIPE_CAP_MAX_VS_TEMPS
:
141 case PIPE_CAP_MAX_FS_TEMPS
:
142 return TGSI_EXEC_NUM_TEMPS
;
143 case PIPE_CAP_MAX_VS_ADDRS
:
144 case PIPE_CAP_MAX_FS_ADDRS
:
145 return TGSI_EXEC_NUM_ADDRS
;
146 case PIPE_CAP_MAX_VS_PREDS
:
147 case PIPE_CAP_MAX_FS_PREDS
:
148 return TGSI_EXEC_NUM_PREDS
;
150 case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE
:
153 case PIPE_CAP_GEOMETRY_SHADER4
:
162 softpipe_get_paramf(struct pipe_screen
*screen
, enum pipe_cap param
)
165 case PIPE_CAP_MAX_LINE_WIDTH
:
167 case PIPE_CAP_MAX_LINE_WIDTH_AA
:
168 return 255.0; /* arbitrary */
169 case PIPE_CAP_MAX_POINT_WIDTH
:
171 case PIPE_CAP_MAX_POINT_WIDTH_AA
:
172 return 255.0; /* arbitrary */
173 case PIPE_CAP_MAX_TEXTURE_ANISOTROPY
:
174 return 16.0; /* not actually signficant at this time */
175 case PIPE_CAP_MAX_TEXTURE_LOD_BIAS
:
176 return 16.0; /* arbitrary */
184 * Query format support for creating a texture, drawing surface, etc.
185 * \param format the format to test
186 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
189 softpipe_is_format_supported( struct pipe_screen
*screen
,
190 enum pipe_format format
,
191 enum pipe_texture_target target
,
192 unsigned sample_count
,
194 unsigned geom_flags
)
196 struct sw_winsys
*winsys
= softpipe_screen(screen
)->winsys
;
197 const struct util_format_description
*format_desc
;
199 assert(target
== PIPE_BUFFER
||
200 target
== PIPE_TEXTURE_1D
||
201 target
== PIPE_TEXTURE_2D
||
202 target
== PIPE_TEXTURE_3D
||
203 target
== PIPE_TEXTURE_CUBE
);
205 format_desc
= util_format_description(format
);
209 if (sample_count
> 1)
212 if (bind
& (PIPE_BIND_DISPLAY_TARGET
|
215 if(!winsys
->is_displaytarget_format_supported(winsys
, bind
, format
))
219 if (bind
& PIPE_BIND_RENDER_TARGET
) {
220 if (format_desc
->colorspace
== UTIL_FORMAT_COLORSPACE_ZS
)
224 * Although possible, it is unnatural to render into compressed or YUV
225 * surfaces. So disable these here to avoid going into weird paths
226 * inside the state trackers.
228 if (format_desc
->block
.width
!= 1 ||
229 format_desc
->block
.height
!= 1)
233 * TODO: Unfortunately we cannot render into anything more than 32 bits
234 * because we encode color clear values into a 32bit word.
236 if (format_desc
->block
.bits
> 32)
240 if (bind
& PIPE_BIND_DEPTH_STENCIL
) {
241 if (format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
)
245 * TODO: Unfortunately we cannot render into anything more than 32 bits
246 * because we encode depth and stencil clear values into a 32bit word.
248 if (format_desc
->block
.bits
> 32)
252 * TODO: eliminate this restriction
254 if (format
== PIPE_FORMAT_Z32_FLOAT
)
259 * All other operations (sampling, transfer, etc).
262 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_S3TC
) {
263 return util_format_s3tc_enabled
;
267 * Everything else should be supported by u_format.
274 softpipe_destroy_screen( struct pipe_screen
*screen
)
276 struct softpipe_screen
*sp_screen
= softpipe_screen(screen
);
277 struct sw_winsys
*winsys
= sp_screen
->winsys
;
280 winsys
->destroy(winsys
);
286 /* This is often overriden by the co-state tracker.
289 softpipe_flush_frontbuffer(struct pipe_screen
*_screen
,
290 struct pipe_surface
*surface
,
291 void *context_private
)
293 struct softpipe_screen
*screen
= softpipe_screen(_screen
);
294 struct sw_winsys
*winsys
= screen
->winsys
;
295 struct softpipe_resource
*texture
= softpipe_resource(surface
->texture
);
299 winsys
->displaytarget_display(winsys
, texture
->dt
, context_private
);
303 * Create a new pipe_screen object
304 * Note: we're not presently subclassing pipe_screen (no softpipe_screen).
307 softpipe_create_screen(struct sw_winsys
*winsys
)
309 struct softpipe_screen
*screen
= CALLOC_STRUCT(softpipe_screen
);
314 screen
->winsys
= winsys
;
316 screen
->base
.winsys
= NULL
;
317 screen
->base
.destroy
= softpipe_destroy_screen
;
319 screen
->base
.get_name
= softpipe_get_name
;
320 screen
->base
.get_vendor
= softpipe_get_vendor
;
321 screen
->base
.get_param
= softpipe_get_param
;
322 screen
->base
.get_paramf
= softpipe_get_paramf
;
323 screen
->base
.is_format_supported
= softpipe_is_format_supported
;
324 screen
->base
.context_create
= softpipe_create_context
;
325 screen
->base
.flush_frontbuffer
= softpipe_flush_frontbuffer
;
327 util_format_s3tc_init();
329 softpipe_init_screen_texture_funcs(&screen
->base
);
330 softpipe_init_screen_fence_funcs(&screen
->base
);
332 return &screen
->base
;