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"
48 DEBUG_GET_ONCE_BOOL_OPTION(use_llvm
, "SOFTPIPE_USE_LLVM", FALSE
)
51 softpipe_get_vendor(struct pipe_screen
*screen
)
53 return "VMware, Inc.";
58 softpipe_get_name(struct pipe_screen
*screen
)
65 softpipe_get_param(struct pipe_screen
*screen
, enum pipe_cap param
)
68 case PIPE_CAP_MAX_COMBINED_SAMPLERS
:
69 return PIPE_MAX_SAMPLERS
+ PIPE_MAX_VERTEX_SAMPLERS
;
70 case PIPE_CAP_NPOT_TEXTURES
:
72 case PIPE_CAP_TWO_SIDED_STENCIL
:
76 case PIPE_CAP_ANISOTROPIC_FILTER
:
78 case PIPE_CAP_POINT_SPRITE
:
80 case PIPE_CAP_MAX_RENDER_TARGETS
:
81 return PIPE_MAX_COLOR_BUFS
;
82 case PIPE_CAP_OCCLUSION_QUERY
:
84 case PIPE_CAP_TIMER_QUERY
:
86 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
88 case PIPE_CAP_TEXTURE_SHADOW_MAP
:
90 case PIPE_CAP_TEXTURE_SWIZZLE
:
92 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
93 return SP_MAX_TEXTURE_2D_LEVELS
;
94 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
95 return SP_MAX_TEXTURE_3D_LEVELS
;
96 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
97 return SP_MAX_TEXTURE_2D_LEVELS
;
98 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
100 case PIPE_CAP_INDEP_BLEND_ENABLE
:
102 case PIPE_CAP_INDEP_BLEND_FUNC
:
104 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
105 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
106 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
107 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
109 case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS
:
110 return PIPE_MAX_SO_BUFFERS
;
111 case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS
:
112 case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS
:
114 case PIPE_CAP_PRIMITIVE_RESTART
:
116 case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE
:
118 case PIPE_CAP_SHADER_STENCIL_EXPORT
:
120 case PIPE_CAP_TGSI_INSTANCEID
:
121 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR
:
123 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS
:
124 return 256; /* for GL3 */
125 case PIPE_CAP_MIN_TEXEL_OFFSET
:
127 case PIPE_CAP_MAX_TEXEL_OFFSET
:
129 case PIPE_CAP_CONDITIONAL_RENDER
:
131 case PIPE_CAP_FRAGMENT_COLOR_CLAMP_CONTROL
:
139 softpipe_get_shader_param(struct pipe_screen
*screen
, unsigned shader
, enum pipe_shader_cap param
)
141 struct softpipe_screen
*sp_screen
= softpipe_screen(screen
);
144 case PIPE_SHADER_FRAGMENT
:
145 return tgsi_exec_get_shader_param(param
);
146 case PIPE_SHADER_VERTEX
:
147 case PIPE_SHADER_GEOMETRY
:
149 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS
:
151 if (sp_screen
->use_llvm
)
152 /* Softpipe doesn't yet know how to tell draw/llvm about textures */
155 return PIPE_MAX_VERTEX_SAMPLERS
;
156 case PIPE_SHADER_CAP_INTEGERS
:
157 #ifdef HAVE_LLVM /* gallivm doesn't support integers yet */
158 if (sp_screen
->use_llvm
)
163 return draw_get_shader_param(shader
, param
);
171 softpipe_get_paramf(struct pipe_screen
*screen
, enum pipe_capf param
)
174 case PIPE_CAPF_MAX_LINE_WIDTH
:
176 case PIPE_CAPF_MAX_LINE_WIDTH_AA
:
177 return 255.0; /* arbitrary */
178 case PIPE_CAPF_MAX_POINT_WIDTH
:
180 case PIPE_CAPF_MAX_POINT_WIDTH_AA
:
181 return 255.0; /* arbitrary */
182 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY
:
184 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS
:
185 return 16.0; /* arbitrary */
192 softpipe_get_video_param(struct pipe_screen
*screen
,
193 enum pipe_video_profile profile
,
194 enum pipe_video_cap param
)
197 case PIPE_VIDEO_CAP_SUPPORTED
:
198 return vl_profile_supported(screen
, profile
);
199 case PIPE_VIDEO_CAP_NPOT_TEXTURES
:
201 case PIPE_VIDEO_CAP_MAX_WIDTH
:
202 case PIPE_VIDEO_CAP_MAX_HEIGHT
:
203 return vl_video_buffer_max_size(screen
);
210 * Query format support for creating a texture, drawing surface, etc.
211 * \param format the format to test
212 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
215 softpipe_is_format_supported( struct pipe_screen
*screen
,
216 enum pipe_format format
,
217 enum pipe_texture_target target
,
218 unsigned sample_count
,
221 struct sw_winsys
*winsys
= softpipe_screen(screen
)->winsys
;
222 const struct util_format_description
*format_desc
;
224 assert(target
== PIPE_BUFFER
||
225 target
== PIPE_TEXTURE_1D
||
226 target
== PIPE_TEXTURE_1D_ARRAY
||
227 target
== PIPE_TEXTURE_2D
||
228 target
== PIPE_TEXTURE_2D_ARRAY
||
229 target
== PIPE_TEXTURE_RECT
||
230 target
== PIPE_TEXTURE_3D
||
231 target
== PIPE_TEXTURE_CUBE
);
233 format_desc
= util_format_description(format
);
237 if (sample_count
> 1)
240 if (bind
& (PIPE_BIND_DISPLAY_TARGET
|
243 if(!winsys
->is_displaytarget_format_supported(winsys
, bind
, format
))
247 if (bind
& PIPE_BIND_RENDER_TARGET
) {
248 if (format_desc
->colorspace
== UTIL_FORMAT_COLORSPACE_ZS
)
252 * Although possible, it is unnatural to render into compressed or YUV
253 * surfaces. So disable these here to avoid going into weird paths
254 * inside the state trackers.
256 if (format_desc
->block
.width
!= 1 ||
257 format_desc
->block
.height
!= 1)
261 if (bind
& PIPE_BIND_DEPTH_STENCIL
) {
262 if (format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
)
267 * All other operations (sampling, transfer, etc).
270 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_S3TC
) {
271 return util_format_s3tc_enabled
;
275 * Everything else should be supported by u_format.
282 softpipe_destroy_screen( struct pipe_screen
*screen
)
284 struct softpipe_screen
*sp_screen
= softpipe_screen(screen
);
285 struct sw_winsys
*winsys
= sp_screen
->winsys
;
288 winsys
->destroy(winsys
);
294 /* This is often overriden by the co-state tracker.
297 softpipe_flush_frontbuffer(struct pipe_screen
*_screen
,
298 struct pipe_resource
*resource
,
299 unsigned level
, unsigned layer
,
300 void *context_private
)
302 struct softpipe_screen
*screen
= softpipe_screen(_screen
);
303 struct sw_winsys
*winsys
= screen
->winsys
;
304 struct softpipe_resource
*texture
= softpipe_resource(resource
);
308 winsys
->displaytarget_display(winsys
, texture
->dt
, context_private
);
312 * Create a new pipe_screen object
313 * Note: we're not presently subclassing pipe_screen (no softpipe_screen).
316 softpipe_create_screen(struct sw_winsys
*winsys
)
318 struct softpipe_screen
*screen
= CALLOC_STRUCT(softpipe_screen
);
323 screen
->winsys
= winsys
;
325 screen
->base
.winsys
= NULL
;
326 screen
->base
.destroy
= softpipe_destroy_screen
;
328 screen
->base
.get_name
= softpipe_get_name
;
329 screen
->base
.get_vendor
= softpipe_get_vendor
;
330 screen
->base
.get_param
= softpipe_get_param
;
331 screen
->base
.get_shader_param
= softpipe_get_shader_param
;
332 screen
->base
.get_paramf
= softpipe_get_paramf
;
333 screen
->base
.get_video_param
= softpipe_get_video_param
;
334 screen
->base
.is_format_supported
= softpipe_is_format_supported
;
335 screen
->base
.is_video_format_supported
= vl_video_buffer_is_format_supported
;
336 screen
->base
.context_create
= softpipe_create_context
;
337 screen
->base
.flush_frontbuffer
= softpipe_flush_frontbuffer
;
339 screen
->use_llvm
= debug_get_option_use_llvm();
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
;