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 "os/os_time.h"
34 #include "pipe/p_defines.h"
35 #include "pipe/p_screen.h"
36 #include "draw/draw_context.h"
37 #include "vl/vl_decoder.h"
38 #include "vl/vl_video_buffer.h"
40 #include "state_tracker/sw_winsys.h"
41 #include "tgsi/tgsi_exec.h"
43 #include "sp_texture.h"
44 #include "sp_screen.h"
45 #include "sp_context.h"
47 #include "sp_public.h"
49 DEBUG_GET_ONCE_BOOL_OPTION(use_llvm
, "SOFTPIPE_USE_LLVM", FALSE
)
52 softpipe_get_vendor(struct pipe_screen
*screen
)
54 return "VMware, Inc.";
59 softpipe_get_name(struct pipe_screen
*screen
)
66 softpipe_get_param(struct pipe_screen
*screen
, enum pipe_cap param
)
69 case PIPE_CAP_MAX_COMBINED_SAMPLERS
:
70 return 2 * PIPE_MAX_SAMPLERS
; /* VS + FS */
71 case PIPE_CAP_NPOT_TEXTURES
:
73 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_MAX_DUAL_SOURCE_RENDER_TARGETS
:
85 case PIPE_CAP_OCCLUSION_QUERY
:
87 case PIPE_CAP_QUERY_TIME_ELAPSED
:
89 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
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_CUBE_LEVELS
;
101 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
103 case PIPE_CAP_INDEP_BLEND_ENABLE
:
105 case PIPE_CAP_INDEP_BLEND_FUNC
:
107 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
108 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
109 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
110 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
112 case PIPE_CAP_DEPTH_CLIP_DISABLE
:
114 case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS
:
115 return PIPE_MAX_SO_BUFFERS
;
116 case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS
:
117 case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS
:
119 case PIPE_CAP_PRIMITIVE_RESTART
:
121 case PIPE_CAP_SHADER_STENCIL_EXPORT
:
123 case PIPE_CAP_TGSI_INSTANCEID
:
124 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR
:
126 case PIPE_CAP_SEAMLESS_CUBE_MAP
:
127 case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE
:
129 case PIPE_CAP_SCALED_RESOLVE
:
131 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS
:
132 return 256; /* for GL3 */
133 case PIPE_CAP_MIN_TEXEL_OFFSET
:
135 case PIPE_CAP_MAX_TEXEL_OFFSET
:
137 case PIPE_CAP_CONDITIONAL_RENDER
:
139 case PIPE_CAP_TEXTURE_BARRIER
:
141 case PIPE_CAP_FRAGMENT_COLOR_CLAMPED
:
142 case PIPE_CAP_VERTEX_COLOR_UNCLAMPED
: /* draw module */
143 case PIPE_CAP_VERTEX_COLOR_CLAMPED
: /* draw module */
145 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS
:
147 case PIPE_CAP_GLSL_FEATURE_LEVEL
:
149 case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION
:
151 case PIPE_CAP_COMPUTE
:
153 case PIPE_CAP_USER_VERTEX_BUFFERS
:
154 case PIPE_CAP_USER_INDEX_BUFFERS
:
155 case PIPE_CAP_USER_CONSTANT_BUFFERS
:
156 case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME
:
158 case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT
:
160 case PIPE_CAP_TGSI_CAN_COMPACT_VARYINGS
:
161 case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS
:
162 case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY
:
163 case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY
:
164 case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY
:
165 case PIPE_CAP_START_INSTANCE
:
166 case PIPE_CAP_TEXTURE_MULTISAMPLE
:
167 case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT
:
169 case PIPE_CAP_QUERY_TIMESTAMP
:
170 case PIPE_CAP_CUBE_MAP_ARRAY
:
172 case PIPE_CAP_TEXTURE_BUFFER_OBJECTS
:
174 case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT
:
176 case PIPE_CAP_TGSI_TEXCOORD
:
177 case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER
:
180 /* should only get here on unhandled cases */
181 debug_printf("Unexpected PIPE_CAP %d query\n", param
);
186 softpipe_get_shader_param(struct pipe_screen
*screen
, unsigned shader
, enum pipe_shader_cap param
)
188 struct softpipe_screen
*sp_screen
= softpipe_screen(screen
);
191 case PIPE_SHADER_FRAGMENT
:
192 return tgsi_exec_get_shader_param(param
);
193 case PIPE_SHADER_VERTEX
:
194 case PIPE_SHADER_GEOMETRY
:
196 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS
:
197 if (sp_screen
->use_llvm
)
198 /* Softpipe doesn't yet know how to tell draw/llvm about textures */
201 return PIPE_MAX_SAMPLERS
;
203 if (sp_screen
->use_llvm
)
204 return draw_get_shader_param(shader
, param
);
206 return draw_get_shader_param_no_llvm(shader
, param
);
214 softpipe_get_paramf(struct pipe_screen
*screen
, enum pipe_capf param
)
217 case PIPE_CAPF_MAX_LINE_WIDTH
:
219 case PIPE_CAPF_MAX_LINE_WIDTH_AA
:
220 return 255.0; /* arbitrary */
221 case PIPE_CAPF_MAX_POINT_WIDTH
:
223 case PIPE_CAPF_MAX_POINT_WIDTH_AA
:
224 return 255.0; /* arbitrary */
225 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY
:
227 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS
:
228 return 16.0; /* arbitrary */
229 case PIPE_CAPF_GUARD_BAND_LEFT
:
230 case PIPE_CAPF_GUARD_BAND_TOP
:
231 case PIPE_CAPF_GUARD_BAND_RIGHT
:
232 case PIPE_CAPF_GUARD_BAND_BOTTOM
:
235 /* should only get here on unhandled cases */
236 debug_printf("Unexpected PIPE_CAPF %d query\n", param
);
241 softpipe_get_video_param(struct pipe_screen
*screen
,
242 enum pipe_video_profile profile
,
243 enum pipe_video_cap param
)
246 case PIPE_VIDEO_CAP_SUPPORTED
:
247 return vl_profile_supported(screen
, profile
);
248 case PIPE_VIDEO_CAP_NPOT_TEXTURES
:
250 case PIPE_VIDEO_CAP_MAX_WIDTH
:
251 case PIPE_VIDEO_CAP_MAX_HEIGHT
:
252 return vl_video_buffer_max_size(screen
);
253 case PIPE_VIDEO_CAP_PREFERED_FORMAT
:
254 return PIPE_FORMAT_NV12
;
255 case PIPE_VIDEO_CAP_PREFERS_INTERLACED
:
257 case PIPE_VIDEO_CAP_SUPPORTS_INTERLACED
:
259 case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE
:
267 * Query format support for creating a texture, drawing surface, etc.
268 * \param format the format to test
269 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
272 softpipe_is_format_supported( struct pipe_screen
*screen
,
273 enum pipe_format format
,
274 enum pipe_texture_target target
,
275 unsigned sample_count
,
278 struct sw_winsys
*winsys
= softpipe_screen(screen
)->winsys
;
279 const struct util_format_description
*format_desc
;
281 assert(target
== PIPE_BUFFER
||
282 target
== PIPE_TEXTURE_1D
||
283 target
== PIPE_TEXTURE_1D_ARRAY
||
284 target
== PIPE_TEXTURE_2D
||
285 target
== PIPE_TEXTURE_2D_ARRAY
||
286 target
== PIPE_TEXTURE_RECT
||
287 target
== PIPE_TEXTURE_3D
||
288 target
== PIPE_TEXTURE_CUBE
||
289 target
== PIPE_TEXTURE_CUBE_ARRAY
);
291 format_desc
= util_format_description(format
);
295 if (sample_count
> 1)
298 if (bind
& (PIPE_BIND_DISPLAY_TARGET
|
301 if(!winsys
->is_displaytarget_format_supported(winsys
, bind
, format
))
305 if (bind
& PIPE_BIND_RENDER_TARGET
) {
306 if (format_desc
->colorspace
== UTIL_FORMAT_COLORSPACE_ZS
)
310 * Although possible, it is unnatural to render into compressed or YUV
311 * surfaces. So disable these here to avoid going into weird paths
312 * inside the state trackers.
314 if (format_desc
->block
.width
!= 1 ||
315 format_desc
->block
.height
!= 1)
319 if (bind
& PIPE_BIND_DEPTH_STENCIL
) {
320 if (format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
)
325 * All other operations (sampling, transfer, etc).
328 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_S3TC
) {
329 return util_format_s3tc_enabled
;
333 * Everything else should be supported by u_format.
340 softpipe_destroy_screen( struct pipe_screen
*screen
)
342 struct softpipe_screen
*sp_screen
= softpipe_screen(screen
);
343 struct sw_winsys
*winsys
= sp_screen
->winsys
;
346 winsys
->destroy(winsys
);
352 /* This is often overriden by the co-state tracker.
355 softpipe_flush_frontbuffer(struct pipe_screen
*_screen
,
356 struct pipe_resource
*resource
,
357 unsigned level
, unsigned layer
,
358 void *context_private
)
360 struct softpipe_screen
*screen
= softpipe_screen(_screen
);
361 struct sw_winsys
*winsys
= screen
->winsys
;
362 struct softpipe_resource
*texture
= softpipe_resource(resource
);
366 winsys
->displaytarget_display(winsys
, texture
->dt
, context_private
);
370 softpipe_get_timestamp(struct pipe_screen
*_screen
)
372 return os_time_get_nano();
376 * Create a new pipe_screen object
377 * Note: we're not presently subclassing pipe_screen (no softpipe_screen).
380 softpipe_create_screen(struct sw_winsys
*winsys
)
382 struct softpipe_screen
*screen
= CALLOC_STRUCT(softpipe_screen
);
387 screen
->winsys
= winsys
;
389 screen
->base
.destroy
= softpipe_destroy_screen
;
391 screen
->base
.get_name
= softpipe_get_name
;
392 screen
->base
.get_vendor
= softpipe_get_vendor
;
393 screen
->base
.get_param
= softpipe_get_param
;
394 screen
->base
.get_shader_param
= softpipe_get_shader_param
;
395 screen
->base
.get_paramf
= softpipe_get_paramf
;
396 screen
->base
.get_video_param
= softpipe_get_video_param
;
397 screen
->base
.get_timestamp
= softpipe_get_timestamp
;
398 screen
->base
.is_format_supported
= softpipe_is_format_supported
;
399 screen
->base
.is_video_format_supported
= vl_video_buffer_is_format_supported
;
400 screen
->base
.context_create
= softpipe_create_context
;
401 screen
->base
.flush_frontbuffer
= softpipe_flush_frontbuffer
;
403 screen
->use_llvm
= debug_get_option_use_llvm();
405 util_format_s3tc_init();
407 softpipe_init_screen_texture_funcs(&screen
->base
);
408 softpipe_init_screen_fence_funcs(&screen
->base
);
410 return &screen
->base
;