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_PIXEL_CENTER_HALF_INTEGER
:
92 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
94 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
95 return vscreen
->caps
.caps
.v1
.bset
.fragment_coord_conventions
;
96 case PIPE_CAP_DEPTH_CLIP_DISABLE
:
97 return vscreen
->caps
.caps
.v1
.bset
.depth_clip_disable
;
98 case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS
:
99 return vscreen
->caps
.caps
.v1
.max_streamout_buffers
;
100 case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS
:
101 case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS
:
103 case PIPE_CAP_PRIMITIVE_RESTART
:
104 return vscreen
->caps
.caps
.v1
.bset
.primitive_restart
;
105 case PIPE_CAP_SHADER_STENCIL_EXPORT
:
106 return vscreen
->caps
.caps
.v1
.bset
.shader_stencil_export
;
107 case PIPE_CAP_TGSI_INSTANCEID
:
108 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR
:
110 case PIPE_CAP_SEAMLESS_CUBE_MAP
:
111 return vscreen
->caps
.caps
.v1
.bset
.seamless_cube_map
;
112 case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE
:
113 return vscreen
->caps
.caps
.v1
.bset
.seamless_cube_map_per_texture
;
114 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS
:
115 return vscreen
->caps
.caps
.v1
.max_texture_array_layers
;
116 case PIPE_CAP_MIN_TEXEL_OFFSET
:
117 return vscreen
->caps
.caps
.v2
.min_texel_offset
;
118 case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET
:
119 return vscreen
->caps
.caps
.v2
.min_texture_gather_offset
;
120 case PIPE_CAP_MAX_TEXEL_OFFSET
:
121 return vscreen
->caps
.caps
.v2
.max_texel_offset
;
122 case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET
:
123 return vscreen
->caps
.caps
.v2
.max_texture_gather_offset
;
124 case PIPE_CAP_CONDITIONAL_RENDER
:
125 return vscreen
->caps
.caps
.v1
.bset
.conditional_render
;
126 case PIPE_CAP_TEXTURE_BARRIER
:
128 case PIPE_CAP_VERTEX_COLOR_UNCLAMPED
:
130 case PIPE_CAP_FRAGMENT_COLOR_CLAMPED
:
131 case PIPE_CAP_VERTEX_COLOR_CLAMPED
:
132 return vscreen
->caps
.caps
.v1
.bset
.color_clamping
;
133 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS
:
135 case PIPE_CAP_GLSL_FEATURE_LEVEL
:
136 return vscreen
->caps
.caps
.v1
.glsl_level
;
137 case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY
:
138 return MIN2(vscreen
->caps
.caps
.v1
.glsl_level
, 140);
139 case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION
:
141 case PIPE_CAP_COMPUTE
:
142 return vscreen
->caps
.caps
.v2
.capability_bits
& VIRGL_CAP_COMPUTE_SHADER
;
143 case PIPE_CAP_USER_VERTEX_BUFFERS
:
145 case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT
:
146 return vscreen
->caps
.caps
.v2
.uniform_buffer_offset_alignment
;
147 case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME
:
148 case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS
:
149 return vscreen
->caps
.caps
.v1
.bset
.streamout_pause_resume
;
150 case PIPE_CAP_START_INSTANCE
:
151 return vscreen
->caps
.caps
.v1
.bset
.start_instance
;
152 case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS
:
153 case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY
:
154 case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY
:
155 case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY
:
156 case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER
:
158 case PIPE_CAP_QUERY_TIMESTAMP
:
160 case PIPE_CAP_QUERY_TIME_ELAPSED
:
162 case PIPE_CAP_TGSI_TEXCOORD
:
164 case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT
:
165 return VIRGL_MAP_BUFFER_ALIGNMENT
;
166 case PIPE_CAP_TEXTURE_BUFFER_OBJECTS
:
167 return vscreen
->caps
.caps
.v1
.max_tbo_size
> 0;
168 case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT
:
169 return vscreen
->caps
.caps
.v2
.texture_buffer_offset_alignment
;
170 case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY
:
172 case PIPE_CAP_CUBE_MAP_ARRAY
:
173 return vscreen
->caps
.caps
.v1
.bset
.cube_map_array
;
174 case PIPE_CAP_TEXTURE_MULTISAMPLE
:
175 return vscreen
->caps
.caps
.v1
.bset
.texture_multisample
;
176 case PIPE_CAP_MAX_VIEWPORTS
:
177 return vscreen
->caps
.caps
.v1
.max_viewports
;
178 case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE
:
179 return vscreen
->caps
.caps
.v1
.max_tbo_size
;
180 case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK
:
181 case PIPE_CAP_QUERY_PIPELINE_STATISTICS
:
182 case PIPE_CAP_ENDIANNESS
:
184 case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES
:
185 case PIPE_CAP_MIXED_COLOR_DEPTH_BITS
:
187 case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT
:
189 case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES
:
190 return vscreen
->caps
.caps
.v2
.max_geom_output_vertices
;
191 case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS
:
192 return vscreen
->caps
.caps
.v2
.max_geom_total_output_components
;
193 case PIPE_CAP_TEXTURE_QUERY_LOD
:
194 return vscreen
->caps
.caps
.v1
.bset
.texture_query_lod
;
195 case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS
:
196 return vscreen
->caps
.caps
.v1
.max_texture_gather_components
;
197 case PIPE_CAP_DRAW_INDIRECT
:
198 return vscreen
->caps
.caps
.v1
.bset
.has_indirect_draw
;
199 case PIPE_CAP_SAMPLE_SHADING
:
200 case PIPE_CAP_FORCE_PERSAMPLE_INTERP
:
201 return vscreen
->caps
.caps
.v1
.bset
.has_sample_shading
;
202 case PIPE_CAP_CULL_DISTANCE
:
203 return vscreen
->caps
.caps
.v1
.bset
.has_cull
;
204 case PIPE_CAP_MAX_VERTEX_STREAMS
:
205 return vscreen
->caps
.caps
.v1
.glsl_level
>= 400 ? 4 : 1;
206 case PIPE_CAP_CONDITIONAL_RENDER_INVERTED
:
207 return vscreen
->caps
.caps
.v1
.bset
.conditional_render_inverted
;
208 case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE
:
209 return vscreen
->caps
.caps
.v1
.bset
.derivative_control
;
210 case PIPE_CAP_POLYGON_OFFSET_CLAMP
:
211 return vscreen
->caps
.caps
.v1
.bset
.polygon_offset_clamp
;
212 case PIPE_CAP_QUERY_SO_OVERFLOW
:
213 return vscreen
->caps
.caps
.v1
.bset
.transform_feedback_overflow_query
;
214 case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT
:
215 return vscreen
->caps
.caps
.v2
.shader_buffer_offset_alignment
;
216 case PIPE_CAP_DOUBLES
:
217 return vscreen
->caps
.caps
.v1
.bset
.has_fp64
;
218 case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS
:
219 return vscreen
->caps
.caps
.v2
.max_shader_patch_varyings
;
220 case PIPE_CAP_SAMPLER_VIEW_TARGET
:
221 return vscreen
->caps
.caps
.v2
.capability_bits
& VIRGL_CAP_TEXTURE_VIEW
;
222 case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE
:
223 return vscreen
->caps
.caps
.v2
.max_vertex_attrib_stride
;
224 case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS
:
225 return vscreen
->caps
.caps
.v2
.capability_bits
& VIRGL_CAP_COPY_IMAGE
;
226 case PIPE_CAP_TGSI_TXQS
:
227 return vscreen
->caps
.caps
.v2
.capability_bits
& VIRGL_CAP_TXQS
;
228 case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT
:
229 return vscreen
->caps
.caps
.v2
.capability_bits
& VIRGL_CAP_FB_NO_ATTACH
;
230 case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR
:
231 return vscreen
->caps
.caps
.v2
.capability_bits
& VIRGL_CAP_ROBUST_BUFFER_ACCESS
;
232 case PIPE_CAP_TGSI_FS_FBFETCH
:
233 return vscreen
->caps
.caps
.v2
.capability_bits
& VIRGL_CAP_TGSI_FBFETCH
;
234 case PIPE_CAP_TGSI_CLOCK
:
235 return vscreen
->caps
.caps
.v2
.capability_bits
& VIRGL_CAP_SHADER_CLOCK
;
236 case PIPE_CAP_TEXTURE_GATHER_SM5
:
237 case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT
:
238 case PIPE_CAP_FAKE_SW_MSAA
:
239 case PIPE_CAP_TEXTURE_GATHER_OFFSETS
:
240 case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION
:
241 case PIPE_CAP_MULTI_DRAW_INDIRECT
:
242 case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS
:
243 case PIPE_CAP_CLIP_HALFZ
:
244 case PIPE_CAP_VERTEXID_NOBASE
:
245 case PIPE_CAP_MULTISAMPLE_Z_RESOLVE
:
246 case PIPE_CAP_RESOURCE_FROM_USER_MEMORY
:
247 case PIPE_CAP_DEVICE_RESET_STATUS_QUERY
:
248 case PIPE_CAP_TEXTURE_FLOAT_LINEAR
:
249 case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR
:
250 case PIPE_CAP_DEPTH_BOUNDS_TEST
:
251 case PIPE_CAP_SHAREABLE_SHADERS
:
252 case PIPE_CAP_CLEAR_TEXTURE
:
253 case PIPE_CAP_DRAW_PARAMETERS
:
254 case PIPE_CAP_TGSI_PACK_HALF_FLOAT
:
255 case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL
:
256 case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL
:
257 case PIPE_CAP_INVALIDATE_BUFFER
:
258 case PIPE_CAP_GENERATE_MIPMAP
:
259 case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS
:
260 case PIPE_CAP_QUERY_BUFFER_OBJECT
:
261 case PIPE_CAP_STRING_MARKER
:
262 case PIPE_CAP_QUERY_MEMORY_INFO
:
263 case PIPE_CAP_PCI_GROUP
:
264 case PIPE_CAP_PCI_BUS
:
265 case PIPE_CAP_PCI_DEVICE
:
266 case PIPE_CAP_PCI_FUNCTION
:
267 case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES
:
268 case PIPE_CAP_TGSI_VOTE
:
269 case PIPE_CAP_MAX_WINDOW_RECTANGLES
:
270 case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED
:
271 case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS
:
272 case PIPE_CAP_TGSI_ARRAY_COMPONENTS
:
273 case PIPE_CAP_TGSI_CAN_READ_OUTPUTS
:
274 case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY
:
275 case PIPE_CAP_TGSI_MUL_ZERO_WINS
:
277 case PIPE_CAP_INT64_DIVMOD
:
278 case PIPE_CAP_TGSI_TEX_TXF_LZ
:
279 case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE
:
280 case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE
:
281 case PIPE_CAP_TGSI_BALLOT
:
282 case PIPE_CAP_TGSI_TES_LAYER_VIEWPORT
:
283 case PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX
:
284 case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION
:
285 case PIPE_CAP_POST_DEPTH_COVERAGE
:
286 case PIPE_CAP_BINDLESS_TEXTURE
:
287 case PIPE_CAP_NIR_SAMPLERS_AS_DEREF
:
288 case PIPE_CAP_MEMOBJ
:
289 case PIPE_CAP_LOAD_CONSTBUF
:
290 case PIPE_CAP_TGSI_ANY_REG_AS_ADDRESS
:
291 case PIPE_CAP_TILE_RASTER_ORDER
:
292 case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES
:
293 case PIPE_CAP_FRAMEBUFFER_MSAA_CONSTRAINTS
:
294 case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET
:
295 case PIPE_CAP_CONTEXT_PRIORITY_MASK
:
296 case PIPE_CAP_FENCE_SIGNAL
:
297 case PIPE_CAP_CONSTBUF0_FLAGS
:
298 case PIPE_CAP_PACKED_UNIFORMS
:
299 case PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_TRIANGLES
:
300 case PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_POINTS_LINES
:
301 case PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_TRIANGLES
:
302 case PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_POINTS_LINES
:
303 case PIPE_CAP_CONSERVATIVE_RASTER_POST_DEPTH_COVERAGE
:
304 case PIPE_CAP_MAX_CONSERVATIVE_RASTER_SUBPIXEL_PRECISION_BIAS
:
305 case PIPE_CAP_PROGRAMMABLE_SAMPLE_LOCATIONS
:
307 case PIPE_CAP_VENDOR_ID
:
309 case PIPE_CAP_DEVICE_ID
:
311 case PIPE_CAP_ACCELERATED
:
314 case PIPE_CAP_VIDEO_MEMORY
:
316 case PIPE_CAP_NATIVE_FENCE_FD
:
319 /* should only get here on unhandled cases */
320 debug_printf("Unexpected PIPE_CAP %d query\n", param
);
325 virgl_get_shader_param(struct pipe_screen
*screen
,
326 enum pipe_shader_type shader
,
327 enum pipe_shader_cap param
)
329 struct virgl_screen
*vscreen
= virgl_screen(screen
);
331 if ((shader
== PIPE_SHADER_TESS_CTRL
|| shader
== PIPE_SHADER_TESS_EVAL
) &&
332 !vscreen
->caps
.caps
.v1
.bset
.has_tessellation_shaders
)
335 if (shader
== PIPE_SHADER_COMPUTE
&&
336 !(vscreen
->caps
.caps
.v2
.capability_bits
& VIRGL_CAP_COMPUTE_SHADER
))
341 case PIPE_SHADER_FRAGMENT
:
342 case PIPE_SHADER_VERTEX
:
343 case PIPE_SHADER_GEOMETRY
:
344 case PIPE_SHADER_TESS_CTRL
:
345 case PIPE_SHADER_TESS_EVAL
:
346 case PIPE_SHADER_COMPUTE
:
348 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS
:
349 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS
:
350 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS
:
351 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS
:
353 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR
:
354 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR
:
355 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR
:
357 case PIPE_SHADER_CAP_MAX_INPUTS
:
358 if (vscreen
->caps
.caps
.v1
.glsl_level
< 150)
359 return vscreen
->caps
.caps
.v2
.max_vertex_attribs
;
360 return (shader
== PIPE_SHADER_VERTEX
||
361 shader
== PIPE_SHADER_GEOMETRY
) ? vscreen
->caps
.caps
.v2
.max_vertex_attribs
: 32;
362 case PIPE_SHADER_CAP_MAX_OUTPUTS
:
363 if (shader
== PIPE_SHADER_FRAGMENT
)
364 return vscreen
->caps
.caps
.v1
.max_render_targets
;
365 return vscreen
->caps
.caps
.v2
.max_vertex_outputs
;
366 // case PIPE_SHADER_CAP_MAX_CONSTS:
368 case PIPE_SHADER_CAP_MAX_TEMPS
:
370 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS
:
371 return vscreen
->caps
.caps
.v1
.max_uniform_blocks
;
372 // case PIPE_SHADER_CAP_MAX_ADDRS:
374 case PIPE_SHADER_CAP_SUBROUTINES
:
376 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS
:
378 case PIPE_SHADER_CAP_INTEGERS
:
379 return vscreen
->caps
.caps
.v1
.glsl_level
>= 130;
380 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH
:
382 case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE
:
383 return 4096 * sizeof(float[4]);
384 case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS
:
385 if (shader
== PIPE_SHADER_FRAGMENT
|| shader
== PIPE_SHADER_COMPUTE
)
386 return vscreen
->caps
.caps
.v2
.max_shader_buffer_frag_compute
;
388 return vscreen
->caps
.caps
.v2
.max_shader_buffer_other_stages
;
389 case PIPE_SHADER_CAP_MAX_SHADER_IMAGES
:
390 if (shader
== PIPE_SHADER_FRAGMENT
|| shader
== PIPE_SHADER_COMPUTE
)
391 return vscreen
->caps
.caps
.v2
.max_shader_image_frag_compute
;
393 return vscreen
->caps
.caps
.v2
.max_shader_image_other_stages
;
394 case PIPE_SHADER_CAP_SUPPORTED_IRS
:
395 return (1 << PIPE_SHADER_IR_TGSI
);
396 case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD
:
397 case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS
:
398 case PIPE_SHADER_CAP_INT64_ATOMICS
:
399 case PIPE_SHADER_CAP_FP16
:
400 case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS
:
401 case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS
:
403 case PIPE_SHADER_CAP_SCALAR_ISA
:
414 virgl_get_paramf(struct pipe_screen
*screen
, enum pipe_capf param
)
416 struct virgl_screen
*vscreen
= virgl_screen(screen
);
418 case PIPE_CAPF_MAX_LINE_WIDTH
:
419 return vscreen
->caps
.caps
.v2
.max_aliased_line_width
;
420 case PIPE_CAPF_MAX_LINE_WIDTH_AA
:
421 return vscreen
->caps
.caps
.v2
.max_smooth_line_width
;
422 case PIPE_CAPF_MAX_POINT_WIDTH
:
423 return vscreen
->caps
.caps
.v2
.max_aliased_point_size
;
424 case PIPE_CAPF_MAX_POINT_WIDTH_AA
:
425 return vscreen
->caps
.caps
.v2
.max_smooth_point_size
;
426 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY
:
428 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS
:
429 return vscreen
->caps
.caps
.v2
.max_texture_lod_bias
;
430 case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE
:
431 case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE
:
432 case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY
:
435 /* should only get here on unhandled cases */
436 debug_printf("Unexpected PIPE_CAPF %d query\n", param
);
441 virgl_get_compute_param(struct pipe_screen
*screen
,
442 enum pipe_shader_ir ir_type
,
443 enum pipe_compute_cap param
,
446 struct virgl_screen
*vscreen
= virgl_screen(screen
);
447 if (!(vscreen
->caps
.caps
.v2
.capability_bits
& VIRGL_CAP_COMPUTE_SHADER
))
450 case PIPE_COMPUTE_CAP_MAX_GRID_SIZE
:
452 uint64_t *grid_size
= ret
;
453 grid_size
[0] = vscreen
->caps
.caps
.v2
.max_compute_grid_size
[0];
454 grid_size
[1] = vscreen
->caps
.caps
.v2
.max_compute_grid_size
[1];
455 grid_size
[2] = vscreen
->caps
.caps
.v2
.max_compute_grid_size
[2];
457 return 3 * sizeof(uint64_t) ;
458 case PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE
:
460 uint64_t *block_size
= ret
;
461 block_size
[0] = vscreen
->caps
.caps
.v2
.max_compute_block_size
[0];
462 block_size
[1] = vscreen
->caps
.caps
.v2
.max_compute_block_size
[1];
463 block_size
[2] = vscreen
->caps
.caps
.v2
.max_compute_block_size
[2];
465 return 3 * sizeof(uint64_t);
466 case PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK
:
468 uint64_t *max_threads_per_block
= ret
;
469 *max_threads_per_block
= vscreen
->caps
.caps
.v2
.max_compute_work_group_invocations
;
471 return sizeof(uint64_t);
472 case PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE
:
474 uint64_t *max_local_size
= ret
;
475 /* Value reported by the closed source driver. */
476 *max_local_size
= vscreen
->caps
.caps
.v2
.max_compute_shared_memory_size
;
478 return sizeof(uint64_t);
486 virgl_is_vertex_format_supported(struct pipe_screen
*screen
,
487 enum pipe_format format
)
489 struct virgl_screen
*vscreen
= virgl_screen(screen
);
490 const struct util_format_description
*format_desc
;
493 format_desc
= util_format_description(format
);
497 if (format
== PIPE_FORMAT_R11G11B10_FLOAT
) {
498 int vformat
= VIRGL_FORMAT_R11G11B10_FLOAT
;
499 int big
= vformat
/ 32;
500 int small
= vformat
% 32;
501 if (!(vscreen
->caps
.caps
.v1
.vertexbuffer
.bitmask
[big
] & (1 << small
)))
506 /* Find the first non-VOID channel. */
507 for (i
= 0; i
< 4; i
++) {
508 if (format_desc
->channel
[i
].type
!= UTIL_FORMAT_TYPE_VOID
) {
516 if (format_desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
)
519 if (format_desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_FIXED
)
525 * Query format support for creating a texture, drawing surface, etc.
526 * \param format the format to test
527 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
530 virgl_is_format_supported( struct pipe_screen
*screen
,
531 enum pipe_format format
,
532 enum pipe_texture_target target
,
533 unsigned sample_count
,
534 unsigned storage_sample_count
,
537 struct virgl_screen
*vscreen
= virgl_screen(screen
);
538 const struct util_format_description
*format_desc
;
541 if (MAX2(1, sample_count
) != MAX2(1, storage_sample_count
))
544 assert(target
== PIPE_BUFFER
||
545 target
== PIPE_TEXTURE_1D
||
546 target
== PIPE_TEXTURE_1D_ARRAY
||
547 target
== PIPE_TEXTURE_2D
||
548 target
== PIPE_TEXTURE_2D_ARRAY
||
549 target
== PIPE_TEXTURE_RECT
||
550 target
== PIPE_TEXTURE_3D
||
551 target
== PIPE_TEXTURE_CUBE
||
552 target
== PIPE_TEXTURE_CUBE_ARRAY
);
554 format_desc
= util_format_description(format
);
558 if (util_format_is_intensity(format
))
561 if (sample_count
> 1) {
562 if (!vscreen
->caps
.caps
.v1
.bset
.texture_multisample
)
565 if (bind
& PIPE_BIND_SHADER_IMAGE
) {
566 if (sample_count
> vscreen
->caps
.caps
.v2
.max_image_samples
)
570 if (sample_count
> vscreen
->caps
.caps
.v1
.max_samples
)
574 if (bind
& PIPE_BIND_VERTEX_BUFFER
) {
575 return virgl_is_vertex_format_supported(screen
, format
);
578 /* Allow 3-comp 32 bit textures only for TBOs (needed for ARB_tbo_rgb32) */
579 if ((format
== PIPE_FORMAT_R32G32B32_FLOAT
||
580 format
== PIPE_FORMAT_R32G32B32_SINT
||
581 format
== PIPE_FORMAT_R32G32B32_UINT
) &&
582 target
!= PIPE_BUFFER
)
585 if (bind
& PIPE_BIND_RENDER_TARGET
) {
586 /* For ARB_framebuffer_no_attachments. */
587 if (format
== PIPE_FORMAT_NONE
)
590 if (format_desc
->colorspace
== UTIL_FORMAT_COLORSPACE_ZS
)
594 * Although possible, it is unnatural to render into compressed or YUV
595 * surfaces. So disable these here to avoid going into weird paths
596 * inside the state trackers.
598 if (format_desc
->block
.width
!= 1 ||
599 format_desc
->block
.height
!= 1)
603 int big
= format
/ 32;
604 int small
= format
% 32;
605 if (!(vscreen
->caps
.caps
.v1
.render
.bitmask
[big
] & (1 << small
)))
610 if (bind
& PIPE_BIND_DEPTH_STENCIL
) {
611 if (format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
)
616 * All other operations (sampling, transfer, etc).
619 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_S3TC
) {
622 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_RGTC
) {
625 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_BPTC
) {
629 if (format
== PIPE_FORMAT_R11G11B10_FLOAT
) {
631 } else if (format
== PIPE_FORMAT_R9G9B9E5_FLOAT
) {
635 /* Find the first non-VOID channel. */
636 for (i
= 0; i
< 4; i
++) {
637 if (format_desc
->channel
[i
].type
!= UTIL_FORMAT_TYPE_VOID
) {
646 if (format_desc
->nr_channels
< 4 && format_desc
->channel
[i
].size
== 4)
651 int big
= format
/ 32;
652 int small
= format
% 32;
653 if (!(vscreen
->caps
.caps
.v1
.sampler
.bitmask
[big
] & (1 << small
)))
657 * Everything else should be supported by u_format.
662 static void virgl_flush_frontbuffer(struct pipe_screen
*screen
,
663 struct pipe_resource
*res
,
664 unsigned level
, unsigned layer
,
665 void *winsys_drawable_handle
, struct pipe_box
*sub_box
)
667 struct virgl_screen
*vscreen
= virgl_screen(screen
);
668 struct virgl_winsys
*vws
= vscreen
->vws
;
669 struct virgl_resource
*vres
= virgl_resource(res
);
671 if (vws
->flush_frontbuffer
)
672 vws
->flush_frontbuffer(vws
, vres
->hw_res
, level
, layer
, winsys_drawable_handle
,
676 static void virgl_fence_reference(struct pipe_screen
*screen
,
677 struct pipe_fence_handle
**ptr
,
678 struct pipe_fence_handle
*fence
)
680 struct virgl_screen
*vscreen
= virgl_screen(screen
);
681 struct virgl_winsys
*vws
= vscreen
->vws
;
683 vws
->fence_reference(vws
, ptr
, fence
);
686 static boolean
virgl_fence_finish(struct pipe_screen
*screen
,
687 struct pipe_context
*ctx
,
688 struct pipe_fence_handle
*fence
,
691 struct virgl_screen
*vscreen
= virgl_screen(screen
);
692 struct virgl_winsys
*vws
= vscreen
->vws
;
694 return vws
->fence_wait(vws
, fence
, timeout
);
698 virgl_get_timestamp(struct pipe_screen
*_screen
)
700 return os_time_get_nano();
704 virgl_destroy_screen(struct pipe_screen
*screen
)
706 struct virgl_screen
*vscreen
= virgl_screen(screen
);
707 struct virgl_winsys
*vws
= vscreen
->vws
;
709 slab_destroy_parent(&vscreen
->texture_transfer_pool
);
717 virgl_create_screen(struct virgl_winsys
*vws
)
719 struct virgl_screen
*screen
= CALLOC_STRUCT(virgl_screen
);
725 screen
->base
.get_name
= virgl_get_name
;
726 screen
->base
.get_vendor
= virgl_get_vendor
;
727 screen
->base
.get_param
= virgl_get_param
;
728 screen
->base
.get_shader_param
= virgl_get_shader_param
;
729 screen
->base
.get_compute_param
= virgl_get_compute_param
;
730 screen
->base
.get_paramf
= virgl_get_paramf
;
731 screen
->base
.is_format_supported
= virgl_is_format_supported
;
732 screen
->base
.destroy
= virgl_destroy_screen
;
733 screen
->base
.context_create
= virgl_context_create
;
734 screen
->base
.flush_frontbuffer
= virgl_flush_frontbuffer
;
735 screen
->base
.get_timestamp
= virgl_get_timestamp
;
736 screen
->base
.fence_reference
= virgl_fence_reference
;
737 //screen->base.fence_signalled = virgl_fence_signalled;
738 screen
->base
.fence_finish
= virgl_fence_finish
;
740 virgl_init_screen_resource_functions(&screen
->base
);
742 vws
->get_caps(vws
, &screen
->caps
);
746 slab_create_parent(&screen
->texture_transfer_pool
, sizeof(struct virgl_transfer
), 16);
748 return &screen
->base
;