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 "os/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
:
62 case PIPE_CAP_TWO_SIDED_STENCIL
:
66 case PIPE_CAP_ANISOTROPIC_FILTER
:
68 case PIPE_CAP_POINT_SPRITE
:
70 case PIPE_CAP_MAX_RENDER_TARGETS
:
71 return vscreen
->caps
.caps
.v1
.max_render_targets
;
72 case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS
:
73 return vscreen
->caps
.caps
.v1
.max_dual_source_render_targets
;
74 case PIPE_CAP_OCCLUSION_QUERY
:
75 return vscreen
->caps
.caps
.v1
.bset
.occlusion_query
;
76 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
77 return vscreen
->caps
.caps
.v1
.bset
.mirror_clamp
;
78 case PIPE_CAP_TEXTURE_SHADOW_MAP
:
80 case PIPE_CAP_TEXTURE_SWIZZLE
:
82 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
83 return SP_MAX_TEXTURE_2D_LEVELS
;
84 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
85 return SP_MAX_TEXTURE_3D_LEVELS
;
86 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
87 return SP_MAX_TEXTURE_CUBE_LEVELS
;
88 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
90 case PIPE_CAP_INDEP_BLEND_ENABLE
:
91 return vscreen
->caps
.caps
.v1
.bset
.indep_blend_enable
;
92 case PIPE_CAP_INDEP_BLEND_FUNC
:
93 return vscreen
->caps
.caps
.v1
.bset
.indep_blend_func
;
94 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
95 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
96 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
97 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
98 return vscreen
->caps
.caps
.v1
.bset
.fragment_coord_conventions
;
99 case PIPE_CAP_DEPTH_CLIP_DISABLE
:
100 return vscreen
->caps
.caps
.v1
.bset
.depth_clip_disable
;
101 case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS
:
102 return vscreen
->caps
.caps
.v1
.max_streamout_buffers
;
103 case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS
:
104 case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS
:
106 case PIPE_CAP_PRIMITIVE_RESTART
:
107 return vscreen
->caps
.caps
.v1
.bset
.primitive_restart
;
108 case PIPE_CAP_SHADER_STENCIL_EXPORT
:
109 return vscreen
->caps
.caps
.v1
.bset
.shader_stencil_export
;
110 case PIPE_CAP_TGSI_INSTANCEID
:
111 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR
:
113 case PIPE_CAP_SEAMLESS_CUBE_MAP
:
114 return vscreen
->caps
.caps
.v1
.bset
.seamless_cube_map
;
115 case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE
:
116 return vscreen
->caps
.caps
.v1
.bset
.seamless_cube_map_per_texture
;
117 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS
:
118 return vscreen
->caps
.caps
.v1
.max_texture_array_layers
;
119 case PIPE_CAP_MIN_TEXEL_OFFSET
:
120 case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET
:
122 case PIPE_CAP_MAX_TEXEL_OFFSET
:
123 case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET
:
125 case PIPE_CAP_CONDITIONAL_RENDER
:
126 return vscreen
->caps
.caps
.v1
.bset
.conditional_render
;
127 case PIPE_CAP_TEXTURE_BARRIER
:
129 case PIPE_CAP_VERTEX_COLOR_UNCLAMPED
:
131 case PIPE_CAP_FRAGMENT_COLOR_CLAMPED
:
132 case PIPE_CAP_VERTEX_COLOR_CLAMPED
:
133 return vscreen
->caps
.caps
.v1
.bset
.color_clamping
;
134 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS
:
136 case PIPE_CAP_GLSL_FEATURE_LEVEL
:
137 return vscreen
->caps
.caps
.v1
.glsl_level
;
138 case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION
:
140 case PIPE_CAP_COMPUTE
:
142 case PIPE_CAP_USER_VERTEX_BUFFERS
:
144 case PIPE_CAP_USER_CONSTANT_BUFFERS
:
146 case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT
:
148 case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME
:
149 case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS
:
150 return vscreen
->caps
.caps
.v1
.bset
.streamout_pause_resume
;
151 case PIPE_CAP_START_INSTANCE
:
152 return vscreen
->caps
.caps
.v1
.bset
.start_instance
;
153 case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS
:
154 case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY
:
155 case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY
:
156 case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY
:
157 case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER
:
159 case PIPE_CAP_QUERY_TIMESTAMP
:
161 case PIPE_CAP_QUERY_TIME_ELAPSED
:
163 case PIPE_CAP_TGSI_TEXCOORD
:
165 case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT
:
166 return VIRGL_MAP_BUFFER_ALIGNMENT
;
167 case PIPE_CAP_TEXTURE_BUFFER_OBJECTS
:
168 return vscreen
->caps
.caps
.v1
.max_tbo_size
> 0;
169 case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT
:
171 case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY
:
173 case PIPE_CAP_CUBE_MAP_ARRAY
:
174 return vscreen
->caps
.caps
.v1
.bset
.cube_map_array
;
175 case PIPE_CAP_TEXTURE_MULTISAMPLE
:
176 return vscreen
->caps
.caps
.v1
.bset
.texture_multisample
;
177 case PIPE_CAP_MAX_VIEWPORTS
:
178 return vscreen
->caps
.caps
.v1
.max_viewports
;
179 case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE
:
180 return vscreen
->caps
.caps
.v1
.max_tbo_size
;
181 case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK
:
182 case PIPE_CAP_QUERY_PIPELINE_STATISTICS
:
183 case PIPE_CAP_ENDIANNESS
:
185 case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES
:
186 case PIPE_CAP_MIXED_COLOR_DEPTH_BITS
:
188 case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT
:
190 case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES
:
192 case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS
:
194 case PIPE_CAP_TEXTURE_QUERY_LOD
:
195 return vscreen
->caps
.caps
.v1
.bset
.texture_query_lod
;
196 case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS
:
197 return vscreen
->caps
.caps
.v1
.max_texture_gather_components
;
198 case PIPE_CAP_TEXTURE_GATHER_SM5
:
199 case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT
:
200 case PIPE_CAP_SAMPLE_SHADING
:
201 case PIPE_CAP_FAKE_SW_MSAA
:
202 case PIPE_CAP_TEXTURE_GATHER_OFFSETS
:
203 case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION
:
204 case PIPE_CAP_MAX_VERTEX_STREAMS
:
205 case PIPE_CAP_DRAW_INDIRECT
:
206 case PIPE_CAP_MULTI_DRAW_INDIRECT
:
207 case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS
:
208 case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE
:
209 case PIPE_CAP_CONDITIONAL_RENDER_INVERTED
:
210 case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE
:
211 case PIPE_CAP_SAMPLER_VIEW_TARGET
:
212 case PIPE_CAP_CLIP_HALFZ
:
213 case PIPE_CAP_VERTEXID_NOBASE
:
214 case PIPE_CAP_POLYGON_OFFSET_CLAMP
:
215 case PIPE_CAP_MULTISAMPLE_Z_RESOLVE
:
216 case PIPE_CAP_RESOURCE_FROM_USER_MEMORY
:
217 case PIPE_CAP_DEVICE_RESET_STATUS_QUERY
:
218 case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS
:
219 case PIPE_CAP_TEXTURE_FLOAT_LINEAR
:
220 case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR
:
221 case PIPE_CAP_DEPTH_BOUNDS_TEST
:
222 case PIPE_CAP_TGSI_TXQS
:
223 case PIPE_CAP_FORCE_PERSAMPLE_INTERP
:
224 case PIPE_CAP_SHAREABLE_SHADERS
:
225 case PIPE_CAP_CLEAR_TEXTURE
:
226 case PIPE_CAP_DRAW_PARAMETERS
:
227 case PIPE_CAP_TGSI_PACK_HALF_FLOAT
:
228 case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL
:
229 case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL
:
230 case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT
:
231 case PIPE_CAP_INVALIDATE_BUFFER
:
232 case PIPE_CAP_GENERATE_MIPMAP
:
233 case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS
:
234 case PIPE_CAP_QUERY_BUFFER_OBJECT
:
235 case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS
:
236 case PIPE_CAP_STRING_MARKER
:
237 case PIPE_CAP_QUERY_MEMORY_INFO
:
238 case PIPE_CAP_PCI_GROUP
:
239 case PIPE_CAP_PCI_BUS
:
240 case PIPE_CAP_PCI_DEVICE
:
241 case PIPE_CAP_PCI_FUNCTION
:
242 case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT
:
243 case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR
:
244 case PIPE_CAP_CULL_DISTANCE
:
245 case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES
:
246 case PIPE_CAP_TGSI_VOTE
:
247 case PIPE_CAP_MAX_WINDOW_RECTANGLES
:
248 case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED
:
249 case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS
:
250 case PIPE_CAP_TGSI_ARRAY_COMPONENTS
:
251 case PIPE_CAP_TGSI_CAN_READ_OUTPUTS
:
252 case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY
:
253 case PIPE_CAP_TGSI_FS_FBFETCH
:
254 case PIPE_CAP_TGSI_MUL_ZERO_WINS
:
256 case PIPE_CAP_INT64_DIVMOD
:
257 case PIPE_CAP_TGSI_TEX_TXF_LZ
:
258 case PIPE_CAP_TGSI_CLOCK
:
259 case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE
:
260 case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE
:
261 case PIPE_CAP_TGSI_BALLOT
:
262 case PIPE_CAP_DOUBLES
:
263 case PIPE_CAP_TGSI_TES_LAYER_VIEWPORT
:
264 case PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX
:
265 case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION
:
266 case PIPE_CAP_POST_DEPTH_COVERAGE
:
267 case PIPE_CAP_BINDLESS_TEXTURE
:
268 case PIPE_CAP_NIR_SAMPLERS_AS_DEREF
:
269 case PIPE_CAP_QUERY_SO_OVERFLOW
:
270 case PIPE_CAP_MEMOBJ
:
271 case PIPE_CAP_LOAD_CONSTBUF
:
272 case PIPE_CAP_TGSI_ANY_REG_AS_ADDRESS
:
274 case PIPE_CAP_VENDOR_ID
:
276 case PIPE_CAP_DEVICE_ID
:
278 case PIPE_CAP_ACCELERATED
:
281 case PIPE_CAP_VIDEO_MEMORY
:
283 case PIPE_CAP_NATIVE_FENCE_FD
:
286 /* should only get here on unhandled cases */
287 debug_printf("Unexpected PIPE_CAP %d query\n", param
);
292 virgl_get_shader_param(struct pipe_screen
*screen
,
293 enum pipe_shader_type shader
,
294 enum pipe_shader_cap param
)
296 struct virgl_screen
*vscreen
= virgl_screen(screen
);
299 case PIPE_SHADER_FRAGMENT
:
300 case PIPE_SHADER_VERTEX
:
301 case PIPE_SHADER_GEOMETRY
:
303 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS
:
304 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS
:
305 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS
:
306 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS
:
308 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR
:
309 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR
:
310 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR
:
312 case PIPE_SHADER_CAP_MAX_INPUTS
:
313 if (vscreen
->caps
.caps
.v1
.glsl_level
< 150)
315 return (shader
== PIPE_SHADER_VERTEX
||
316 shader
== PIPE_SHADER_GEOMETRY
) ? 16 : 32;
317 case PIPE_SHADER_CAP_MAX_OUTPUTS
:
319 // case PIPE_SHADER_CAP_MAX_CONSTS:
321 case PIPE_SHADER_CAP_MAX_TEMPS
:
323 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS
:
324 return vscreen
->caps
.caps
.v1
.max_uniform_blocks
;
325 // case PIPE_SHADER_CAP_MAX_ADDRS:
327 case PIPE_SHADER_CAP_SUBROUTINES
:
329 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS
:
331 case PIPE_SHADER_CAP_INTEGERS
:
332 return vscreen
->caps
.caps
.v1
.glsl_level
>= 130;
333 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH
:
335 case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE
:
336 return 4096 * sizeof(float[4]);
337 case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD
:
338 case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS
:
339 case PIPE_SHADER_CAP_INT64_ATOMICS
:
340 case PIPE_SHADER_CAP_FP16
:
350 virgl_get_paramf(struct pipe_screen
*screen
, enum pipe_capf param
)
353 case PIPE_CAPF_MAX_LINE_WIDTH
:
355 case PIPE_CAPF_MAX_LINE_WIDTH_AA
:
356 return 255.0; /* arbitrary */
357 case PIPE_CAPF_MAX_POINT_WIDTH
:
359 case PIPE_CAPF_MAX_POINT_WIDTH_AA
:
360 return 255.0; /* arbitrary */
361 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY
:
363 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS
:
364 return 16.0; /* arbitrary */
365 case PIPE_CAPF_GUARD_BAND_LEFT
:
366 case PIPE_CAPF_GUARD_BAND_TOP
:
367 case PIPE_CAPF_GUARD_BAND_RIGHT
:
368 case PIPE_CAPF_GUARD_BAND_BOTTOM
:
371 /* should only get here on unhandled cases */
372 debug_printf("Unexpected PIPE_CAPF %d query\n", param
);
377 virgl_is_vertex_format_supported(struct pipe_screen
*screen
,
378 enum pipe_format format
)
380 struct virgl_screen
*vscreen
= virgl_screen(screen
);
381 const struct util_format_description
*format_desc
;
384 format_desc
= util_format_description(format
);
388 if (format
== PIPE_FORMAT_R11G11B10_FLOAT
) {
389 int vformat
= VIRGL_FORMAT_R11G11B10_FLOAT
;
390 int big
= vformat
/ 32;
391 int small
= vformat
% 32;
392 if (!(vscreen
->caps
.caps
.v1
.vertexbuffer
.bitmask
[big
] & (1 << small
)))
397 /* Find the first non-VOID channel. */
398 for (i
= 0; i
< 4; i
++) {
399 if (format_desc
->channel
[i
].type
!= UTIL_FORMAT_TYPE_VOID
) {
407 if (format_desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
)
410 if (format_desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_FIXED
)
416 * Query format support for creating a texture, drawing surface, etc.
417 * \param format the format to test
418 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
421 virgl_is_format_supported( struct pipe_screen
*screen
,
422 enum pipe_format format
,
423 enum pipe_texture_target target
,
424 unsigned sample_count
,
427 struct virgl_screen
*vscreen
= virgl_screen(screen
);
428 const struct util_format_description
*format_desc
;
431 assert(target
== PIPE_BUFFER
||
432 target
== PIPE_TEXTURE_1D
||
433 target
== PIPE_TEXTURE_1D_ARRAY
||
434 target
== PIPE_TEXTURE_2D
||
435 target
== PIPE_TEXTURE_2D_ARRAY
||
436 target
== PIPE_TEXTURE_RECT
||
437 target
== PIPE_TEXTURE_3D
||
438 target
== PIPE_TEXTURE_CUBE
||
439 target
== PIPE_TEXTURE_CUBE_ARRAY
);
441 format_desc
= util_format_description(format
);
445 if (util_format_is_intensity(format
))
448 if (sample_count
> 1) {
449 if (!vscreen
->caps
.caps
.v1
.bset
.texture_multisample
)
451 if (sample_count
> vscreen
->caps
.caps
.v1
.max_samples
)
455 if (bind
& PIPE_BIND_VERTEX_BUFFER
) {
456 return virgl_is_vertex_format_supported(screen
, format
);
459 if (bind
& PIPE_BIND_RENDER_TARGET
) {
460 if (format_desc
->colorspace
== UTIL_FORMAT_COLORSPACE_ZS
)
464 * Although possible, it is unnatural to render into compressed or YUV
465 * surfaces. So disable these here to avoid going into weird paths
466 * inside the state trackers.
468 if (format_desc
->block
.width
!= 1 ||
469 format_desc
->block
.height
!= 1)
473 int big
= format
/ 32;
474 int small
= format
% 32;
475 if (!(vscreen
->caps
.caps
.v1
.render
.bitmask
[big
] & (1 << small
)))
480 if (bind
& PIPE_BIND_DEPTH_STENCIL
) {
481 if (format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
)
486 * All other operations (sampling, transfer, etc).
489 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_S3TC
) {
492 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_RGTC
) {
495 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_BPTC
) {
499 if (format
== PIPE_FORMAT_R11G11B10_FLOAT
) {
501 } else if (format
== PIPE_FORMAT_R9G9B9E5_FLOAT
) {
505 /* Find the first non-VOID channel. */
506 for (i
= 0; i
< 4; i
++) {
507 if (format_desc
->channel
[i
].type
!= UTIL_FORMAT_TYPE_VOID
) {
516 if (format_desc
->nr_channels
< 4 && format_desc
->channel
[i
].size
== 4)
521 int big
= format
/ 32;
522 int small
= format
% 32;
523 if (!(vscreen
->caps
.caps
.v1
.sampler
.bitmask
[big
] & (1 << small
)))
527 * Everything else should be supported by u_format.
532 static void virgl_flush_frontbuffer(struct pipe_screen
*screen
,
533 struct pipe_resource
*res
,
534 unsigned level
, unsigned layer
,
535 void *winsys_drawable_handle
, struct pipe_box
*sub_box
)
537 struct virgl_screen
*vscreen
= virgl_screen(screen
);
538 struct virgl_winsys
*vws
= vscreen
->vws
;
539 struct virgl_resource
*vres
= virgl_resource(res
);
541 if (vws
->flush_frontbuffer
)
542 vws
->flush_frontbuffer(vws
, vres
->hw_res
, level
, layer
, winsys_drawable_handle
,
546 static void virgl_fence_reference(struct pipe_screen
*screen
,
547 struct pipe_fence_handle
**ptr
,
548 struct pipe_fence_handle
*fence
)
550 struct virgl_screen
*vscreen
= virgl_screen(screen
);
551 struct virgl_winsys
*vws
= vscreen
->vws
;
553 vws
->fence_reference(vws
, ptr
, fence
);
556 static boolean
virgl_fence_finish(struct pipe_screen
*screen
,
557 struct pipe_context
*ctx
,
558 struct pipe_fence_handle
*fence
,
561 struct virgl_screen
*vscreen
= virgl_screen(screen
);
562 struct virgl_winsys
*vws
= vscreen
->vws
;
564 return vws
->fence_wait(vws
, fence
, timeout
);
568 virgl_get_timestamp(struct pipe_screen
*_screen
)
570 return os_time_get_nano();
574 virgl_destroy_screen(struct pipe_screen
*screen
)
576 struct virgl_screen
*vscreen
= virgl_screen(screen
);
577 struct virgl_winsys
*vws
= vscreen
->vws
;
579 slab_destroy_parent(&vscreen
->texture_transfer_pool
);
587 virgl_create_screen(struct virgl_winsys
*vws
)
589 struct virgl_screen
*screen
= CALLOC_STRUCT(virgl_screen
);
595 screen
->base
.get_name
= virgl_get_name
;
596 screen
->base
.get_vendor
= virgl_get_vendor
;
597 screen
->base
.get_param
= virgl_get_param
;
598 screen
->base
.get_shader_param
= virgl_get_shader_param
;
599 screen
->base
.get_paramf
= virgl_get_paramf
;
600 screen
->base
.is_format_supported
= virgl_is_format_supported
;
601 screen
->base
.destroy
= virgl_destroy_screen
;
602 screen
->base
.context_create
= virgl_context_create
;
603 screen
->base
.flush_frontbuffer
= virgl_flush_frontbuffer
;
604 screen
->base
.get_timestamp
= virgl_get_timestamp
;
605 screen
->base
.fence_reference
= virgl_fence_reference
;
606 //screen->base.fence_signalled = virgl_fence_signalled;
607 screen
->base
.fence_finish
= virgl_fence_finish
;
609 virgl_init_screen_resource_functions(&screen
->base
);
611 vws
->get_caps(vws
, &screen
->caps
);
615 slab_create_parent(&screen
->texture_transfer_pool
, sizeof(struct virgl_transfer
), 16);
617 return &screen
->base
;