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
:
72 case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES
:
74 case PIPE_CAP_TWO_SIDED_STENCIL
:
78 case PIPE_CAP_ANISOTROPIC_FILTER
:
80 case PIPE_CAP_POINT_SPRITE
:
82 case PIPE_CAP_MAX_RENDER_TARGETS
:
83 return PIPE_MAX_COLOR_BUFS
;
84 case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS
:
86 case PIPE_CAP_OCCLUSION_QUERY
:
88 case PIPE_CAP_QUERY_TIME_ELAPSED
:
90 case PIPE_CAP_QUERY_PIPELINE_STATISTICS
:
92 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
94 case PIPE_CAP_TEXTURE_SHADOW_MAP
:
96 case PIPE_CAP_TEXTURE_SWIZZLE
:
98 case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK
:
100 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
101 return SP_MAX_TEXTURE_2D_LEVELS
;
102 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
103 return SP_MAX_TEXTURE_3D_LEVELS
;
104 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
105 return SP_MAX_TEXTURE_CUBE_LEVELS
;
106 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
108 case PIPE_CAP_INDEP_BLEND_ENABLE
:
110 case PIPE_CAP_INDEP_BLEND_FUNC
:
112 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
113 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
114 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
115 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
117 case PIPE_CAP_DEPTH_CLIP_DISABLE
:
119 case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS
:
120 return PIPE_MAX_SO_BUFFERS
;
121 case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS
:
122 case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS
:
124 case PIPE_CAP_PRIMITIVE_RESTART
:
126 case PIPE_CAP_SHADER_STENCIL_EXPORT
:
128 case PIPE_CAP_TGSI_INSTANCEID
:
129 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR
:
131 case PIPE_CAP_SEAMLESS_CUBE_MAP
:
132 case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE
:
134 case PIPE_CAP_SCALED_RESOLVE
:
136 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS
:
137 return 256; /* for GL3 */
138 case PIPE_CAP_MIN_TEXEL_OFFSET
:
140 case PIPE_CAP_MAX_TEXEL_OFFSET
:
142 case PIPE_CAP_CONDITIONAL_RENDER
:
144 case PIPE_CAP_TEXTURE_BARRIER
:
146 case PIPE_CAP_FRAGMENT_COLOR_CLAMPED
:
147 case PIPE_CAP_VERTEX_COLOR_UNCLAMPED
: /* draw module */
148 case PIPE_CAP_VERTEX_COLOR_CLAMPED
: /* draw module */
150 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS
:
152 case PIPE_CAP_GLSL_FEATURE_LEVEL
:
154 case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION
:
156 case PIPE_CAP_COMPUTE
:
158 case PIPE_CAP_USER_VERTEX_BUFFERS
:
159 case PIPE_CAP_USER_INDEX_BUFFERS
:
160 case PIPE_CAP_USER_CONSTANT_BUFFERS
:
161 case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME
:
163 case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT
:
165 case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS
:
166 case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY
:
167 case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY
:
168 case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY
:
169 case PIPE_CAP_START_INSTANCE
:
170 case PIPE_CAP_TEXTURE_MULTISAMPLE
:
171 case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT
:
173 case PIPE_CAP_QUERY_TIMESTAMP
:
174 case PIPE_CAP_CUBE_MAP_ARRAY
:
176 case PIPE_CAP_TEXTURE_BUFFER_OBJECTS
:
178 case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE
:
180 case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT
:
182 case PIPE_CAP_TGSI_TEXCOORD
:
183 case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER
:
185 case PIPE_CAP_MAX_VIEWPORTS
:
187 case PIPE_CAP_ENDIANNESS
:
188 return PIPE_ENDIAN_NATIVE
;
190 /* should only get here on unhandled cases */
191 debug_printf("Unexpected PIPE_CAP %d query\n", param
);
196 softpipe_get_shader_param(struct pipe_screen
*screen
, unsigned shader
, enum pipe_shader_cap param
)
198 struct softpipe_screen
*sp_screen
= softpipe_screen(screen
);
201 case PIPE_SHADER_FRAGMENT
:
202 return tgsi_exec_get_shader_param(param
);
203 case PIPE_SHADER_VERTEX
:
204 case PIPE_SHADER_GEOMETRY
:
206 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS
:
207 case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS
:
208 if (sp_screen
->use_llvm
)
209 /* Softpipe doesn't yet know how to tell draw/llvm about textures */
212 return PIPE_MAX_SAMPLERS
;
214 if (sp_screen
->use_llvm
)
215 return draw_get_shader_param(shader
, param
);
217 return draw_get_shader_param_no_llvm(shader
, param
);
225 softpipe_get_paramf(struct pipe_screen
*screen
, enum pipe_capf param
)
228 case PIPE_CAPF_MAX_LINE_WIDTH
:
230 case PIPE_CAPF_MAX_LINE_WIDTH_AA
:
231 return 255.0; /* arbitrary */
232 case PIPE_CAPF_MAX_POINT_WIDTH
:
234 case PIPE_CAPF_MAX_POINT_WIDTH_AA
:
235 return 255.0; /* arbitrary */
236 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY
:
238 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS
:
239 return 16.0; /* arbitrary */
240 case PIPE_CAPF_GUARD_BAND_LEFT
:
241 case PIPE_CAPF_GUARD_BAND_TOP
:
242 case PIPE_CAPF_GUARD_BAND_RIGHT
:
243 case PIPE_CAPF_GUARD_BAND_BOTTOM
:
246 /* should only get here on unhandled cases */
247 debug_printf("Unexpected PIPE_CAPF %d query\n", param
);
252 softpipe_get_video_param(struct pipe_screen
*screen
,
253 enum pipe_video_profile profile
,
254 enum pipe_video_entrypoint entrypoint
,
255 enum pipe_video_cap param
)
258 case PIPE_VIDEO_CAP_SUPPORTED
:
259 return vl_profile_supported(screen
, profile
, entrypoint
);
260 case PIPE_VIDEO_CAP_NPOT_TEXTURES
:
262 case PIPE_VIDEO_CAP_MAX_WIDTH
:
263 case PIPE_VIDEO_CAP_MAX_HEIGHT
:
264 return vl_video_buffer_max_size(screen
);
265 case PIPE_VIDEO_CAP_PREFERED_FORMAT
:
266 return PIPE_FORMAT_NV12
;
267 case PIPE_VIDEO_CAP_PREFERS_INTERLACED
:
269 case PIPE_VIDEO_CAP_SUPPORTS_INTERLACED
:
271 case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE
:
279 * Query format support for creating a texture, drawing surface, etc.
280 * \param format the format to test
281 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
284 softpipe_is_format_supported( struct pipe_screen
*screen
,
285 enum pipe_format format
,
286 enum pipe_texture_target target
,
287 unsigned sample_count
,
290 struct sw_winsys
*winsys
= softpipe_screen(screen
)->winsys
;
291 const struct util_format_description
*format_desc
;
293 assert(target
== PIPE_BUFFER
||
294 target
== PIPE_TEXTURE_1D
||
295 target
== PIPE_TEXTURE_1D_ARRAY
||
296 target
== PIPE_TEXTURE_2D
||
297 target
== PIPE_TEXTURE_2D_ARRAY
||
298 target
== PIPE_TEXTURE_RECT
||
299 target
== PIPE_TEXTURE_3D
||
300 target
== PIPE_TEXTURE_CUBE
||
301 target
== PIPE_TEXTURE_CUBE_ARRAY
);
303 format_desc
= util_format_description(format
);
307 if (sample_count
> 1)
310 if (bind
& (PIPE_BIND_DISPLAY_TARGET
|
313 if(!winsys
->is_displaytarget_format_supported(winsys
, bind
, format
))
317 if (bind
& PIPE_BIND_RENDER_TARGET
) {
318 if (format_desc
->colorspace
== UTIL_FORMAT_COLORSPACE_ZS
)
322 * Although possible, it is unnatural to render into compressed or YUV
323 * surfaces. So disable these here to avoid going into weird paths
324 * inside the state trackers.
326 if (format_desc
->block
.width
!= 1 ||
327 format_desc
->block
.height
!= 1)
331 if (bind
& PIPE_BIND_DEPTH_STENCIL
) {
332 if (format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
)
337 * All other operations (sampling, transfer, etc).
340 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_S3TC
) {
341 return util_format_s3tc_enabled
;
345 * Everything else should be supported by u_format.
352 softpipe_destroy_screen( struct pipe_screen
*screen
)
354 struct softpipe_screen
*sp_screen
= softpipe_screen(screen
);
355 struct sw_winsys
*winsys
= sp_screen
->winsys
;
358 winsys
->destroy(winsys
);
364 /* This is often overriden by the co-state tracker.
367 softpipe_flush_frontbuffer(struct pipe_screen
*_screen
,
368 struct pipe_resource
*resource
,
369 unsigned level
, unsigned layer
,
370 void *context_private
)
372 struct softpipe_screen
*screen
= softpipe_screen(_screen
);
373 struct sw_winsys
*winsys
= screen
->winsys
;
374 struct softpipe_resource
*texture
= softpipe_resource(resource
);
378 winsys
->displaytarget_display(winsys
, texture
->dt
, context_private
);
382 softpipe_get_timestamp(struct pipe_screen
*_screen
)
384 return os_time_get_nano();
388 * Create a new pipe_screen object
389 * Note: we're not presently subclassing pipe_screen (no softpipe_screen).
392 softpipe_create_screen(struct sw_winsys
*winsys
)
394 struct softpipe_screen
*screen
= CALLOC_STRUCT(softpipe_screen
);
399 screen
->winsys
= winsys
;
401 screen
->base
.destroy
= softpipe_destroy_screen
;
403 screen
->base
.get_name
= softpipe_get_name
;
404 screen
->base
.get_vendor
= softpipe_get_vendor
;
405 screen
->base
.get_param
= softpipe_get_param
;
406 screen
->base
.get_shader_param
= softpipe_get_shader_param
;
407 screen
->base
.get_paramf
= softpipe_get_paramf
;
408 screen
->base
.get_video_param
= softpipe_get_video_param
;
409 screen
->base
.get_timestamp
= softpipe_get_timestamp
;
410 screen
->base
.is_format_supported
= softpipe_is_format_supported
;
411 screen
->base
.is_video_format_supported
= vl_video_buffer_is_format_supported
;
412 screen
->base
.context_create
= softpipe_create_context
;
413 screen
->base
.flush_frontbuffer
= softpipe_flush_frontbuffer
;
415 screen
->use_llvm
= debug_get_option_use_llvm();
417 util_format_s3tc_init();
419 softpipe_init_screen_texture_funcs(&screen
->base
);
420 softpipe_init_screen_fence_funcs(&screen
->base
);
422 return &screen
->base
;