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_COMBINED_SAMPLERS
:
68 return PIPE_MAX_SAMPLERS
+ PIPE_MAX_VERTEX_SAMPLERS
;
69 case PIPE_CAP_NPOT_TEXTURES
:
71 case PIPE_CAP_TWO_SIDED_STENCIL
:
75 case PIPE_CAP_ANISOTROPIC_FILTER
:
77 case PIPE_CAP_POINT_SPRITE
:
79 case PIPE_CAP_MAX_RENDER_TARGETS
:
80 return PIPE_MAX_COLOR_BUFS
;
81 case PIPE_CAP_OCCLUSION_QUERY
:
83 case PIPE_CAP_TIMER_QUERY
:
85 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
87 case PIPE_CAP_TEXTURE_SHADOW_MAP
:
89 case PIPE_CAP_TEXTURE_SWIZZLE
:
91 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
92 return SP_MAX_TEXTURE_2D_LEVELS
;
93 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
94 return SP_MAX_TEXTURE_3D_LEVELS
;
95 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
96 return SP_MAX_TEXTURE_2D_LEVELS
;
97 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
99 case PIPE_CAP_INDEP_BLEND_ENABLE
:
101 case PIPE_CAP_INDEP_BLEND_FUNC
:
103 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
104 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
105 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
106 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
108 case PIPE_CAP_STREAM_OUTPUT
:
110 case PIPE_CAP_PRIMITIVE_RESTART
:
112 case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE
:
114 case PIPE_CAP_SHADER_STENCIL_EXPORT
:
116 case PIPE_CAP_TGSI_INSTANCEID
:
117 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR
:
119 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS
:
120 return 64; /* matches core Mesa defaults */
121 case PIPE_CAP_MIN_TEXEL_OFFSET
:
123 case PIPE_CAP_MAX_TEXEL_OFFSET
:
125 case PIPE_CAP_CONDITIONAL_RENDER
:
133 softpipe_get_shader_param(struct pipe_screen
*screen
, unsigned shader
, enum pipe_shader_cap param
)
137 case PIPE_SHADER_FRAGMENT
:
138 return tgsi_exec_get_shader_param(param
);
139 case PIPE_SHADER_VERTEX
:
140 case PIPE_SHADER_GEOMETRY
:
142 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS
:
144 /* Softpipe doesn't yet know how to tell draw/llvm about textures */
147 return PIPE_MAX_VERTEX_SAMPLERS
;
150 return draw_get_shader_param(shader
, param
);
158 softpipe_get_paramf(struct pipe_screen
*screen
, enum pipe_capf param
)
161 case PIPE_CAPF_MAX_LINE_WIDTH
:
163 case PIPE_CAPF_MAX_LINE_WIDTH_AA
:
164 return 255.0; /* arbitrary */
165 case PIPE_CAPF_MAX_POINT_WIDTH
:
167 case PIPE_CAPF_MAX_POINT_WIDTH_AA
:
168 return 255.0; /* arbitrary */
169 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY
:
171 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS
:
172 return 16.0; /* arbitrary */
179 softpipe_get_video_param(struct pipe_screen
*screen
,
180 enum pipe_video_profile profile
,
181 enum pipe_video_cap param
)
184 case PIPE_VIDEO_CAP_SUPPORTED
:
185 return vl_profile_supported(screen
, profile
);
186 case PIPE_VIDEO_CAP_NPOT_TEXTURES
:
188 case PIPE_VIDEO_CAP_MAX_WIDTH
:
189 case PIPE_VIDEO_CAP_MAX_HEIGHT
:
190 return vl_video_buffer_max_size(screen
);
191 case PIPE_VIDEO_CAP_NUM_BUFFERS_DESIRED
:
192 return vl_num_buffers_desired(screen
, profile
);
199 * Query format support for creating a texture, drawing surface, etc.
200 * \param format the format to test
201 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
204 softpipe_is_format_supported( struct pipe_screen
*screen
,
205 enum pipe_format format
,
206 enum pipe_texture_target target
,
207 unsigned sample_count
,
210 struct sw_winsys
*winsys
= softpipe_screen(screen
)->winsys
;
211 const struct util_format_description
*format_desc
;
213 assert(target
== PIPE_BUFFER
||
214 target
== PIPE_TEXTURE_1D
||
215 target
== PIPE_TEXTURE_1D_ARRAY
||
216 target
== PIPE_TEXTURE_2D
||
217 target
== PIPE_TEXTURE_2D_ARRAY
||
218 target
== PIPE_TEXTURE_RECT
||
219 target
== PIPE_TEXTURE_3D
||
220 target
== PIPE_TEXTURE_CUBE
);
222 format_desc
= util_format_description(format
);
226 if (sample_count
> 1)
229 if (bind
& (PIPE_BIND_DISPLAY_TARGET
|
232 if(!winsys
->is_displaytarget_format_supported(winsys
, bind
, format
))
236 if (bind
& PIPE_BIND_RENDER_TARGET
) {
237 if (format_desc
->colorspace
== UTIL_FORMAT_COLORSPACE_ZS
)
241 * Although possible, it is unnatural to render into compressed or YUV
242 * surfaces. So disable these here to avoid going into weird paths
243 * inside the state trackers.
245 if (format_desc
->block
.width
!= 1 ||
246 format_desc
->block
.height
!= 1)
250 if (bind
& PIPE_BIND_DEPTH_STENCIL
) {
251 if (format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
)
255 * TODO: Unfortunately we cannot render into anything more than 32 bits
256 * because we encode depth and stencil clear values into a 32bit word.
258 if (format_desc
->block
.bits
> 32)
262 * TODO: eliminate this restriction
264 if (format
== PIPE_FORMAT_Z32_FLOAT
)
269 * All other operations (sampling, transfer, etc).
272 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_S3TC
) {
273 return util_format_s3tc_enabled
;
277 * Everything else should be supported by u_format.
284 softpipe_destroy_screen( struct pipe_screen
*screen
)
286 struct softpipe_screen
*sp_screen
= softpipe_screen(screen
);
287 struct sw_winsys
*winsys
= sp_screen
->winsys
;
290 winsys
->destroy(winsys
);
296 /* This is often overriden by the co-state tracker.
299 softpipe_flush_frontbuffer(struct pipe_screen
*_screen
,
300 struct pipe_resource
*resource
,
301 unsigned level
, unsigned layer
,
302 void *context_private
)
304 struct softpipe_screen
*screen
= softpipe_screen(_screen
);
305 struct sw_winsys
*winsys
= screen
->winsys
;
306 struct softpipe_resource
*texture
= softpipe_resource(resource
);
310 winsys
->displaytarget_display(winsys
, texture
->dt
, context_private
);
314 * Create a new pipe_screen object
315 * Note: we're not presently subclassing pipe_screen (no softpipe_screen).
318 softpipe_create_screen(struct sw_winsys
*winsys
)
320 struct softpipe_screen
*screen
= CALLOC_STRUCT(softpipe_screen
);
325 screen
->winsys
= winsys
;
327 screen
->base
.winsys
= NULL
;
328 screen
->base
.destroy
= softpipe_destroy_screen
;
330 screen
->base
.get_name
= softpipe_get_name
;
331 screen
->base
.get_vendor
= softpipe_get_vendor
;
332 screen
->base
.get_param
= softpipe_get_param
;
333 screen
->base
.get_shader_param
= softpipe_get_shader_param
;
334 screen
->base
.get_paramf
= softpipe_get_paramf
;
335 screen
->base
.get_video_param
= softpipe_get_video_param
;
336 screen
->base
.is_format_supported
= softpipe_is_format_supported
;
337 screen
->base
.is_video_format_supported
= vl_video_buffer_is_format_supported
;
338 screen
->base
.context_create
= softpipe_create_context
;
339 screen
->base
.flush_frontbuffer
= softpipe_flush_frontbuffer
;
341 util_format_s3tc_init();
343 softpipe_init_screen_texture_funcs(&screen
->base
);
344 softpipe_init_screen_fence_funcs(&screen
->base
);
346 return &screen
->base
;