2 * Copyright 2014, 2015 Red Hat.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
23 #include "util/u_memory.h"
24 #include "util/u_format.h"
25 #include "util/u_format_s3tc.h"
26 #include "util/u_video.h"
27 #include "util/os_time.h"
28 #include "pipe/p_defines.h"
29 #include "pipe/p_screen.h"
31 #include "tgsi/tgsi_exec.h"
33 #include "virgl_screen.h"
34 #include "virgl_resource.h"
35 #include "virgl_public.h"
36 #include "virgl_context.h"
38 #define SP_MAX_TEXTURE_2D_LEVELS 15 /* 16K x 16K */
39 #define SP_MAX_TEXTURE_3D_LEVELS 9 /* 512 x 512 x 512 */
40 #define SP_MAX_TEXTURE_CUBE_LEVELS 13 /* 4K x 4K */
43 virgl_get_vendor(struct pipe_screen
*screen
)
50 virgl_get_name(struct pipe_screen
*screen
)
56 virgl_get_param(struct pipe_screen
*screen
, enum pipe_cap param
)
58 struct virgl_screen
*vscreen
= virgl_screen(screen
);
60 case PIPE_CAP_NPOT_TEXTURES
:
64 case PIPE_CAP_ANISOTROPIC_FILTER
:
66 case PIPE_CAP_POINT_SPRITE
:
68 case PIPE_CAP_MAX_RENDER_TARGETS
:
69 return vscreen
->caps
.caps
.v1
.max_render_targets
;
70 case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS
:
71 return vscreen
->caps
.caps
.v1
.max_dual_source_render_targets
;
72 case PIPE_CAP_OCCLUSION_QUERY
:
73 return vscreen
->caps
.caps
.v1
.bset
.occlusion_query
;
74 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
75 return vscreen
->caps
.caps
.v1
.bset
.mirror_clamp
;
76 case PIPE_CAP_TEXTURE_SWIZZLE
:
78 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
79 return SP_MAX_TEXTURE_2D_LEVELS
;
80 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
81 return SP_MAX_TEXTURE_3D_LEVELS
;
82 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
83 return SP_MAX_TEXTURE_CUBE_LEVELS
;
84 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
86 case PIPE_CAP_INDEP_BLEND_ENABLE
:
87 return vscreen
->caps
.caps
.v1
.bset
.indep_blend_enable
;
88 case PIPE_CAP_INDEP_BLEND_FUNC
:
89 return vscreen
->caps
.caps
.v1
.bset
.indep_blend_func
;
90 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
91 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
92 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
93 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
94 return vscreen
->caps
.caps
.v1
.bset
.fragment_coord_conventions
;
95 case PIPE_CAP_DEPTH_CLIP_DISABLE
:
96 return vscreen
->caps
.caps
.v1
.bset
.depth_clip_disable
;
97 case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS
:
98 return vscreen
->caps
.caps
.v1
.max_streamout_buffers
;
99 case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS
:
100 case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS
:
102 case PIPE_CAP_PRIMITIVE_RESTART
:
103 return vscreen
->caps
.caps
.v1
.bset
.primitive_restart
;
104 case PIPE_CAP_SHADER_STENCIL_EXPORT
:
105 return vscreen
->caps
.caps
.v1
.bset
.shader_stencil_export
;
106 case PIPE_CAP_TGSI_INSTANCEID
:
107 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR
:
109 case PIPE_CAP_SEAMLESS_CUBE_MAP
:
110 return vscreen
->caps
.caps
.v1
.bset
.seamless_cube_map
;
111 case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE
:
112 return vscreen
->caps
.caps
.v1
.bset
.seamless_cube_map_per_texture
;
113 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS
:
114 return vscreen
->caps
.caps
.v1
.max_texture_array_layers
;
115 case PIPE_CAP_MIN_TEXEL_OFFSET
:
116 return vscreen
->caps
.caps
.v2
.min_texel_offset
;
117 case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET
:
118 return vscreen
->caps
.caps
.v2
.min_texture_gather_offset
;
119 case PIPE_CAP_MAX_TEXEL_OFFSET
:
120 return vscreen
->caps
.caps
.v2
.max_texel_offset
;
121 case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET
:
122 return vscreen
->caps
.caps
.v2
.max_texture_gather_offset
;
123 case PIPE_CAP_CONDITIONAL_RENDER
:
124 return vscreen
->caps
.caps
.v1
.bset
.conditional_render
;
125 case PIPE_CAP_TEXTURE_BARRIER
:
127 case PIPE_CAP_VERTEX_COLOR_UNCLAMPED
:
129 case PIPE_CAP_FRAGMENT_COLOR_CLAMPED
:
130 case PIPE_CAP_VERTEX_COLOR_CLAMPED
:
131 return vscreen
->caps
.caps
.v1
.bset
.color_clamping
;
132 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS
:
134 case PIPE_CAP_GLSL_FEATURE_LEVEL
:
135 return vscreen
->caps
.caps
.v1
.glsl_level
;
136 case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION
:
138 case PIPE_CAP_COMPUTE
:
140 case PIPE_CAP_USER_VERTEX_BUFFERS
:
142 case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT
:
144 case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME
:
145 case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS
:
146 return vscreen
->caps
.caps
.v1
.bset
.streamout_pause_resume
;
147 case PIPE_CAP_START_INSTANCE
:
148 return vscreen
->caps
.caps
.v1
.bset
.start_instance
;
149 case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS
:
150 case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY
:
151 case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY
:
152 case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY
:
153 case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER
:
155 case PIPE_CAP_QUERY_TIMESTAMP
:
157 case PIPE_CAP_QUERY_TIME_ELAPSED
:
159 case PIPE_CAP_TGSI_TEXCOORD
:
161 case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT
:
162 return VIRGL_MAP_BUFFER_ALIGNMENT
;
163 case PIPE_CAP_TEXTURE_BUFFER_OBJECTS
:
164 return vscreen
->caps
.caps
.v1
.max_tbo_size
> 0;
165 case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT
:
167 case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY
:
169 case PIPE_CAP_CUBE_MAP_ARRAY
:
170 return vscreen
->caps
.caps
.v1
.bset
.cube_map_array
;
171 case PIPE_CAP_TEXTURE_MULTISAMPLE
:
172 return vscreen
->caps
.caps
.v1
.bset
.texture_multisample
;
173 case PIPE_CAP_MAX_VIEWPORTS
:
174 return vscreen
->caps
.caps
.v1
.max_viewports
;
175 case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE
:
176 return vscreen
->caps
.caps
.v1
.max_tbo_size
;
177 case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK
:
178 case PIPE_CAP_QUERY_PIPELINE_STATISTICS
:
179 case PIPE_CAP_ENDIANNESS
:
181 case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES
:
182 case PIPE_CAP_MIXED_COLOR_DEPTH_BITS
:
184 case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT
:
186 case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES
:
187 return vscreen
->caps
.caps
.v2
.max_geom_output_vertices
;
188 case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS
:
189 return vscreen
->caps
.caps
.v2
.max_geom_total_output_components
;
190 case PIPE_CAP_TEXTURE_QUERY_LOD
:
191 return vscreen
->caps
.caps
.v1
.bset
.texture_query_lod
;
192 case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS
:
193 return vscreen
->caps
.caps
.v1
.max_texture_gather_components
;
194 case PIPE_CAP_DRAW_INDIRECT
:
195 return vscreen
->caps
.caps
.v1
.bset
.has_indirect_draw
;
196 case PIPE_CAP_TEXTURE_GATHER_SM5
:
197 case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT
:
198 case PIPE_CAP_SAMPLE_SHADING
:
199 case PIPE_CAP_FAKE_SW_MSAA
:
200 case PIPE_CAP_TEXTURE_GATHER_OFFSETS
:
201 case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION
:
202 case PIPE_CAP_MAX_VERTEX_STREAMS
:
203 case PIPE_CAP_MULTI_DRAW_INDIRECT
:
204 case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS
:
205 case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE
:
206 case PIPE_CAP_CONDITIONAL_RENDER_INVERTED
:
207 case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE
:
208 case PIPE_CAP_SAMPLER_VIEW_TARGET
:
209 case PIPE_CAP_CLIP_HALFZ
:
210 case PIPE_CAP_VERTEXID_NOBASE
:
211 case PIPE_CAP_POLYGON_OFFSET_CLAMP
:
212 case PIPE_CAP_MULTISAMPLE_Z_RESOLVE
:
213 case PIPE_CAP_RESOURCE_FROM_USER_MEMORY
:
214 case PIPE_CAP_DEVICE_RESET_STATUS_QUERY
:
215 case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS
:
216 case PIPE_CAP_TEXTURE_FLOAT_LINEAR
:
217 case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR
:
218 case PIPE_CAP_DEPTH_BOUNDS_TEST
:
219 case PIPE_CAP_TGSI_TXQS
:
220 case PIPE_CAP_FORCE_PERSAMPLE_INTERP
:
221 case PIPE_CAP_SHAREABLE_SHADERS
:
222 case PIPE_CAP_CLEAR_TEXTURE
:
223 case PIPE_CAP_DRAW_PARAMETERS
:
224 case PIPE_CAP_TGSI_PACK_HALF_FLOAT
:
225 case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL
:
226 case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL
:
227 case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT
:
228 case PIPE_CAP_INVALIDATE_BUFFER
:
229 case PIPE_CAP_GENERATE_MIPMAP
:
230 case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS
:
231 case PIPE_CAP_QUERY_BUFFER_OBJECT
:
232 case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS
:
233 case PIPE_CAP_STRING_MARKER
:
234 case PIPE_CAP_QUERY_MEMORY_INFO
:
235 case PIPE_CAP_PCI_GROUP
:
236 case PIPE_CAP_PCI_BUS
:
237 case PIPE_CAP_PCI_DEVICE
:
238 case PIPE_CAP_PCI_FUNCTION
:
239 case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT
:
240 case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR
:
241 case PIPE_CAP_CULL_DISTANCE
:
242 case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES
:
243 case PIPE_CAP_TGSI_VOTE
:
244 case PIPE_CAP_MAX_WINDOW_RECTANGLES
:
245 case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED
:
246 case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS
:
247 case PIPE_CAP_TGSI_ARRAY_COMPONENTS
:
248 case PIPE_CAP_TGSI_CAN_READ_OUTPUTS
:
249 case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY
:
250 case PIPE_CAP_TGSI_FS_FBFETCH
:
251 case PIPE_CAP_TGSI_MUL_ZERO_WINS
:
253 case PIPE_CAP_INT64_DIVMOD
:
254 case PIPE_CAP_TGSI_TEX_TXF_LZ
:
255 case PIPE_CAP_TGSI_CLOCK
:
256 case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE
:
257 case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE
:
258 case PIPE_CAP_TGSI_BALLOT
:
259 case PIPE_CAP_DOUBLES
:
260 case PIPE_CAP_TGSI_TES_LAYER_VIEWPORT
:
261 case PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX
:
262 case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION
:
263 case PIPE_CAP_POST_DEPTH_COVERAGE
:
264 case PIPE_CAP_BINDLESS_TEXTURE
:
265 case PIPE_CAP_NIR_SAMPLERS_AS_DEREF
:
266 case PIPE_CAP_QUERY_SO_OVERFLOW
:
267 case PIPE_CAP_MEMOBJ
:
268 case PIPE_CAP_LOAD_CONSTBUF
:
269 case PIPE_CAP_TGSI_ANY_REG_AS_ADDRESS
:
270 case PIPE_CAP_TILE_RASTER_ORDER
:
271 case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES
:
272 case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET
:
273 case PIPE_CAP_CONTEXT_PRIORITY_MASK
:
274 case PIPE_CAP_FENCE_SIGNAL
:
276 case PIPE_CAP_VENDOR_ID
:
278 case PIPE_CAP_DEVICE_ID
:
280 case PIPE_CAP_ACCELERATED
:
283 case PIPE_CAP_VIDEO_MEMORY
:
285 case PIPE_CAP_NATIVE_FENCE_FD
:
288 /* should only get here on unhandled cases */
289 debug_printf("Unexpected PIPE_CAP %d query\n", param
);
294 virgl_get_shader_param(struct pipe_screen
*screen
,
295 enum pipe_shader_type shader
,
296 enum pipe_shader_cap param
)
298 struct virgl_screen
*vscreen
= virgl_screen(screen
);
301 case PIPE_SHADER_FRAGMENT
:
302 case PIPE_SHADER_VERTEX
:
303 case PIPE_SHADER_GEOMETRY
:
305 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS
:
306 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS
:
307 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS
:
308 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS
:
310 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR
:
311 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR
:
312 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR
:
314 case PIPE_SHADER_CAP_MAX_INPUTS
:
315 if (vscreen
->caps
.caps
.v1
.glsl_level
< 150)
316 return vscreen
->caps
.caps
.v2
.max_vertex_attribs
;
317 return (shader
== PIPE_SHADER_VERTEX
||
318 shader
== PIPE_SHADER_GEOMETRY
) ? vscreen
->caps
.caps
.v2
.max_vertex_attribs
: 32;
319 case PIPE_SHADER_CAP_MAX_OUTPUTS
:
320 if (shader
== PIPE_SHADER_FRAGMENT
)
321 return vscreen
->caps
.caps
.v1
.max_render_targets
;
322 return vscreen
->caps
.caps
.v2
.max_vertex_outputs
;
323 // case PIPE_SHADER_CAP_MAX_CONSTS:
325 case PIPE_SHADER_CAP_MAX_TEMPS
:
327 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS
:
328 return vscreen
->caps
.caps
.v1
.max_uniform_blocks
;
329 // case PIPE_SHADER_CAP_MAX_ADDRS:
331 case PIPE_SHADER_CAP_SUBROUTINES
:
333 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS
:
335 case PIPE_SHADER_CAP_INTEGERS
:
336 return vscreen
->caps
.caps
.v1
.glsl_level
>= 130;
337 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH
:
339 case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE
:
340 return 4096 * sizeof(float[4]);
341 case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD
:
342 case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS
:
343 case PIPE_SHADER_CAP_INT64_ATOMICS
:
344 case PIPE_SHADER_CAP_FP16
:
345 case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS
:
346 case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS
:
356 virgl_get_paramf(struct pipe_screen
*screen
, enum pipe_capf param
)
358 struct virgl_screen
*vscreen
= virgl_screen(screen
);
360 case PIPE_CAPF_MAX_LINE_WIDTH
:
361 return vscreen
->caps
.caps
.v2
.max_aliased_line_width
;
362 case PIPE_CAPF_MAX_LINE_WIDTH_AA
:
363 return vscreen
->caps
.caps
.v2
.max_smooth_line_width
;
364 case PIPE_CAPF_MAX_POINT_WIDTH
:
365 return vscreen
->caps
.caps
.v2
.max_aliased_point_size
;
366 case PIPE_CAPF_MAX_POINT_WIDTH_AA
:
367 return vscreen
->caps
.caps
.v2
.max_smooth_point_size
;
368 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY
:
370 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS
:
371 return vscreen
->caps
.caps
.v2
.max_texture_lod_bias
;
373 /* should only get here on unhandled cases */
374 debug_printf("Unexpected PIPE_CAPF %d query\n", param
);
379 virgl_is_vertex_format_supported(struct pipe_screen
*screen
,
380 enum pipe_format format
)
382 struct virgl_screen
*vscreen
= virgl_screen(screen
);
383 const struct util_format_description
*format_desc
;
386 format_desc
= util_format_description(format
);
390 if (format
== PIPE_FORMAT_R11G11B10_FLOAT
) {
391 int vformat
= VIRGL_FORMAT_R11G11B10_FLOAT
;
392 int big
= vformat
/ 32;
393 int small
= vformat
% 32;
394 if (!(vscreen
->caps
.caps
.v1
.vertexbuffer
.bitmask
[big
] & (1 << small
)))
399 /* Find the first non-VOID channel. */
400 for (i
= 0; i
< 4; i
++) {
401 if (format_desc
->channel
[i
].type
!= UTIL_FORMAT_TYPE_VOID
) {
409 if (format_desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
)
412 if (format_desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_FIXED
)
418 * Query format support for creating a texture, drawing surface, etc.
419 * \param format the format to test
420 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
423 virgl_is_format_supported( struct pipe_screen
*screen
,
424 enum pipe_format format
,
425 enum pipe_texture_target target
,
426 unsigned sample_count
,
429 struct virgl_screen
*vscreen
= virgl_screen(screen
);
430 const struct util_format_description
*format_desc
;
433 assert(target
== PIPE_BUFFER
||
434 target
== PIPE_TEXTURE_1D
||
435 target
== PIPE_TEXTURE_1D_ARRAY
||
436 target
== PIPE_TEXTURE_2D
||
437 target
== PIPE_TEXTURE_2D_ARRAY
||
438 target
== PIPE_TEXTURE_RECT
||
439 target
== PIPE_TEXTURE_3D
||
440 target
== PIPE_TEXTURE_CUBE
||
441 target
== PIPE_TEXTURE_CUBE_ARRAY
);
443 format_desc
= util_format_description(format
);
447 if (util_format_is_intensity(format
))
450 if (sample_count
> 1) {
451 if (!vscreen
->caps
.caps
.v1
.bset
.texture_multisample
)
453 if (sample_count
> vscreen
->caps
.caps
.v1
.max_samples
)
457 if (bind
& PIPE_BIND_VERTEX_BUFFER
) {
458 return virgl_is_vertex_format_supported(screen
, format
);
461 if (bind
& PIPE_BIND_RENDER_TARGET
) {
462 if (format_desc
->colorspace
== UTIL_FORMAT_COLORSPACE_ZS
)
466 * Although possible, it is unnatural to render into compressed or YUV
467 * surfaces. So disable these here to avoid going into weird paths
468 * inside the state trackers.
470 if (format_desc
->block
.width
!= 1 ||
471 format_desc
->block
.height
!= 1)
475 int big
= format
/ 32;
476 int small
= format
% 32;
477 if (!(vscreen
->caps
.caps
.v1
.render
.bitmask
[big
] & (1 << small
)))
482 if (bind
& PIPE_BIND_DEPTH_STENCIL
) {
483 if (format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
)
488 * All other operations (sampling, transfer, etc).
491 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_S3TC
) {
494 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_RGTC
) {
497 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_BPTC
) {
501 if (format
== PIPE_FORMAT_R11G11B10_FLOAT
) {
503 } else if (format
== PIPE_FORMAT_R9G9B9E5_FLOAT
) {
507 /* Find the first non-VOID channel. */
508 for (i
= 0; i
< 4; i
++) {
509 if (format_desc
->channel
[i
].type
!= UTIL_FORMAT_TYPE_VOID
) {
518 if (format_desc
->nr_channels
< 4 && format_desc
->channel
[i
].size
== 4)
523 int big
= format
/ 32;
524 int small
= format
% 32;
525 if (!(vscreen
->caps
.caps
.v1
.sampler
.bitmask
[big
] & (1 << small
)))
529 * Everything else should be supported by u_format.
534 static void virgl_flush_frontbuffer(struct pipe_screen
*screen
,
535 struct pipe_resource
*res
,
536 unsigned level
, unsigned layer
,
537 void *winsys_drawable_handle
, struct pipe_box
*sub_box
)
539 struct virgl_screen
*vscreen
= virgl_screen(screen
);
540 struct virgl_winsys
*vws
= vscreen
->vws
;
541 struct virgl_resource
*vres
= virgl_resource(res
);
543 if (vws
->flush_frontbuffer
)
544 vws
->flush_frontbuffer(vws
, vres
->hw_res
, level
, layer
, winsys_drawable_handle
,
548 static void virgl_fence_reference(struct pipe_screen
*screen
,
549 struct pipe_fence_handle
**ptr
,
550 struct pipe_fence_handle
*fence
)
552 struct virgl_screen
*vscreen
= virgl_screen(screen
);
553 struct virgl_winsys
*vws
= vscreen
->vws
;
555 vws
->fence_reference(vws
, ptr
, fence
);
558 static boolean
virgl_fence_finish(struct pipe_screen
*screen
,
559 struct pipe_context
*ctx
,
560 struct pipe_fence_handle
*fence
,
563 struct virgl_screen
*vscreen
= virgl_screen(screen
);
564 struct virgl_winsys
*vws
= vscreen
->vws
;
566 return vws
->fence_wait(vws
, fence
, timeout
);
570 virgl_get_timestamp(struct pipe_screen
*_screen
)
572 return os_time_get_nano();
576 virgl_destroy_screen(struct pipe_screen
*screen
)
578 struct virgl_screen
*vscreen
= virgl_screen(screen
);
579 struct virgl_winsys
*vws
= vscreen
->vws
;
581 slab_destroy_parent(&vscreen
->texture_transfer_pool
);
589 virgl_create_screen(struct virgl_winsys
*vws
)
591 struct virgl_screen
*screen
= CALLOC_STRUCT(virgl_screen
);
597 screen
->base
.get_name
= virgl_get_name
;
598 screen
->base
.get_vendor
= virgl_get_vendor
;
599 screen
->base
.get_param
= virgl_get_param
;
600 screen
->base
.get_shader_param
= virgl_get_shader_param
;
601 screen
->base
.get_paramf
= virgl_get_paramf
;
602 screen
->base
.is_format_supported
= virgl_is_format_supported
;
603 screen
->base
.destroy
= virgl_destroy_screen
;
604 screen
->base
.context_create
= virgl_context_create
;
605 screen
->base
.flush_frontbuffer
= virgl_flush_frontbuffer
;
606 screen
->base
.get_timestamp
= virgl_get_timestamp
;
607 screen
->base
.fence_reference
= virgl_fence_reference
;
608 //screen->base.fence_signalled = virgl_fence_signalled;
609 screen
->base
.fence_finish
= virgl_fence_finish
;
611 virgl_init_screen_resource_functions(&screen
->base
);
613 vws
->get_caps(vws
, &screen
->caps
);
617 slab_create_parent(&screen
->texture_transfer_pool
, sizeof(struct virgl_transfer
), 16);
619 return &screen
->base
;