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 "util/u_video.h"
33 #include "pipe/p_defines.h"
34 #include "pipe/p_screen.h"
35 #include "draw/draw_context.h"
36 #include "vl/vl_decoder.h"
37 #include "vl/vl_video_buffer.h"
39 #include "state_tracker/sw_winsys.h"
40 #include "tgsi/tgsi_exec.h"
42 #include "sp_texture.h"
43 #include "sp_screen.h"
44 #include "sp_context.h"
46 #include "sp_public.h"
50 softpipe_get_vendor(struct pipe_screen
*screen
)
52 return "VMware, Inc.";
57 softpipe_get_name(struct pipe_screen
*screen
)
64 softpipe_get_param(struct pipe_screen
*screen
, enum pipe_cap param
)
67 case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS
:
68 return PIPE_MAX_SAMPLERS
;
69 case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS
:
71 /* Softpipe doesn't yet know how to tell draw/llvm about textures */
74 return PIPE_MAX_VERTEX_SAMPLERS
;
76 case PIPE_CAP_MAX_COMBINED_SAMPLERS
:
77 return PIPE_MAX_SAMPLERS
+ PIPE_MAX_VERTEX_SAMPLERS
;
78 case PIPE_CAP_NPOT_TEXTURES
:
80 case PIPE_CAP_TWO_SIDED_STENCIL
:
86 case PIPE_CAP_ANISOTROPIC_FILTER
:
88 case PIPE_CAP_POINT_SPRITE
:
90 case PIPE_CAP_MAX_RENDER_TARGETS
:
91 return PIPE_MAX_COLOR_BUFS
;
92 case PIPE_CAP_OCCLUSION_QUERY
:
94 case PIPE_CAP_TIMER_QUERY
:
96 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
98 case PIPE_CAP_TEXTURE_MIRROR_REPEAT
:
100 case PIPE_CAP_TEXTURE_SHADOW_MAP
:
102 case PIPE_CAP_TEXTURE_SWIZZLE
:
104 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
105 return SP_MAX_TEXTURE_2D_LEVELS
;
106 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
107 return SP_MAX_TEXTURE_3D_LEVELS
;
108 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
109 return SP_MAX_TEXTURE_2D_LEVELS
;
110 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
112 case PIPE_CAP_INDEP_BLEND_ENABLE
:
114 case PIPE_CAP_INDEP_BLEND_FUNC
:
116 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
117 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
118 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
119 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
121 case PIPE_CAP_STREAM_OUTPUT
:
123 case PIPE_CAP_PRIMITIVE_RESTART
:
125 case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE
:
127 case PIPE_CAP_SHADER_STENCIL_EXPORT
:
129 case PIPE_CAP_TGSI_INSTANCEID
:
130 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR
:
132 case PIPE_CAP_ARRAY_TEXTURES
:
140 softpipe_get_shader_param(struct pipe_screen
*screen
, unsigned shader
, enum pipe_shader_cap param
)
144 case PIPE_SHADER_FRAGMENT
:
145 return tgsi_exec_get_shader_param(param
);
146 case PIPE_SHADER_VERTEX
:
147 case PIPE_SHADER_GEOMETRY
:
148 return draw_get_shader_param(shader
, param
);
155 softpipe_get_paramf(struct pipe_screen
*screen
, enum pipe_cap param
)
158 case PIPE_CAP_MAX_LINE_WIDTH
:
160 case PIPE_CAP_MAX_LINE_WIDTH_AA
:
161 return 255.0; /* arbitrary */
162 case PIPE_CAP_MAX_POINT_WIDTH
:
164 case PIPE_CAP_MAX_POINT_WIDTH_AA
:
165 return 255.0; /* arbitrary */
166 case PIPE_CAP_MAX_TEXTURE_ANISOTROPY
:
168 case PIPE_CAP_MAX_TEXTURE_LOD_BIAS
:
169 return 16.0; /* arbitrary */
176 softpipe_get_video_param(struct pipe_screen
*screen
,
177 enum pipe_video_profile profile
,
178 enum pipe_video_cap param
)
181 case PIPE_VIDEO_CAP_SUPPORTED
:
182 return vl_profile_supported(screen
, profile
);
183 case PIPE_VIDEO_CAP_NPOT_TEXTURES
:
185 case PIPE_VIDEO_CAP_MAX_WIDTH
:
186 case PIPE_VIDEO_CAP_MAX_HEIGHT
:
187 return vl_video_buffer_max_size(screen
);
188 case PIPE_VIDEO_CAP_NUM_BUFFERS_DESIRED
:
189 return vl_num_buffers_desired(screen
, profile
);
196 * Query format support for creating a texture, drawing surface, etc.
197 * \param format the format to test
198 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
201 softpipe_is_format_supported( struct pipe_screen
*screen
,
202 enum pipe_format format
,
203 enum pipe_texture_target target
,
204 unsigned sample_count
,
207 struct sw_winsys
*winsys
= softpipe_screen(screen
)->winsys
;
208 const struct util_format_description
*format_desc
;
210 assert(target
== PIPE_BUFFER
||
211 target
== PIPE_TEXTURE_1D
||
212 target
== PIPE_TEXTURE_1D_ARRAY
||
213 target
== PIPE_TEXTURE_2D
||
214 target
== PIPE_TEXTURE_2D_ARRAY
||
215 target
== PIPE_TEXTURE_RECT
||
216 target
== PIPE_TEXTURE_3D
||
217 target
== PIPE_TEXTURE_CUBE
);
219 format_desc
= util_format_description(format
);
223 if (sample_count
> 1)
226 if (bind
& (PIPE_BIND_DISPLAY_TARGET
|
229 if(!winsys
->is_displaytarget_format_supported(winsys
, bind
, format
))
233 if (bind
& PIPE_BIND_RENDER_TARGET
) {
234 if (format_desc
->colorspace
== UTIL_FORMAT_COLORSPACE_ZS
)
238 * Although possible, it is unnatural to render into compressed or YUV
239 * surfaces. So disable these here to avoid going into weird paths
240 * inside the state trackers.
242 if (format_desc
->block
.width
!= 1 ||
243 format_desc
->block
.height
!= 1)
247 if (bind
& PIPE_BIND_DEPTH_STENCIL
) {
248 if (format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
)
252 * TODO: Unfortunately we cannot render into anything more than 32 bits
253 * because we encode depth and stencil clear values into a 32bit word.
255 if (format_desc
->block
.bits
> 32)
259 * TODO: eliminate this restriction
261 if (format
== PIPE_FORMAT_Z32_FLOAT
)
266 * All other operations (sampling, transfer, etc).
269 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_S3TC
) {
270 return util_format_s3tc_enabled
;
274 * Everything else should be supported by u_format.
281 softpipe_destroy_screen( struct pipe_screen
*screen
)
283 struct softpipe_screen
*sp_screen
= softpipe_screen(screen
);
284 struct sw_winsys
*winsys
= sp_screen
->winsys
;
287 winsys
->destroy(winsys
);
293 /* This is often overriden by the co-state tracker.
296 softpipe_flush_frontbuffer(struct pipe_screen
*_screen
,
297 struct pipe_resource
*resource
,
298 unsigned level
, unsigned layer
,
299 void *context_private
)
301 struct softpipe_screen
*screen
= softpipe_screen(_screen
);
302 struct sw_winsys
*winsys
= screen
->winsys
;
303 struct softpipe_resource
*texture
= softpipe_resource(resource
);
307 winsys
->displaytarget_display(winsys
, texture
->dt
, context_private
);
311 * Create a new pipe_screen object
312 * Note: we're not presently subclassing pipe_screen (no softpipe_screen).
315 softpipe_create_screen(struct sw_winsys
*winsys
)
317 struct softpipe_screen
*screen
= CALLOC_STRUCT(softpipe_screen
);
322 screen
->winsys
= winsys
;
324 screen
->base
.winsys
= NULL
;
325 screen
->base
.destroy
= softpipe_destroy_screen
;
327 screen
->base
.get_name
= softpipe_get_name
;
328 screen
->base
.get_vendor
= softpipe_get_vendor
;
329 screen
->base
.get_param
= softpipe_get_param
;
330 screen
->base
.get_shader_param
= softpipe_get_shader_param
;
331 screen
->base
.get_paramf
= softpipe_get_paramf
;
332 screen
->base
.get_video_param
= softpipe_get_video_param
;
333 screen
->base
.is_format_supported
= softpipe_is_format_supported
;
334 screen
->base
.is_video_format_supported
= vl_video_buffer_is_format_supported
;
335 screen
->base
.context_create
= softpipe_create_context
;
336 screen
->base
.flush_frontbuffer
= softpipe_flush_frontbuffer
;
338 util_format_s3tc_init();
340 softpipe_init_screen_texture_funcs(&screen
->base
);
341 softpipe_init_screen_fence_funcs(&screen
->base
);
343 return &screen
->base
;