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_screen.h"
27 #include "util/u_video.h"
28 #include "util/u_math.h"
29 #include "util/os_time.h"
30 #include "pipe/p_defines.h"
31 #include "pipe/p_screen.h"
33 #include "tgsi/tgsi_exec.h"
35 #include "virgl_screen.h"
36 #include "virgl_resource.h"
37 #include "virgl_public.h"
38 #include "virgl_context.h"
41 static const struct debug_named_value debug_options
[] = {
42 { "verbose", VIRGL_DEBUG_VERBOSE
, NULL
},
43 { "tgsi", VIRGL_DEBUG_TGSI
, NULL
},
46 DEBUG_GET_ONCE_FLAGS_OPTION(virgl_debug
, "VIRGL_DEBUG", debug_options
, 0)
49 virgl_get_vendor(struct pipe_screen
*screen
)
56 virgl_get_name(struct pipe_screen
*screen
)
62 virgl_get_param(struct pipe_screen
*screen
, enum pipe_cap param
)
64 struct virgl_screen
*vscreen
= virgl_screen(screen
);
66 case PIPE_CAP_NPOT_TEXTURES
:
70 case PIPE_CAP_ANISOTROPIC_FILTER
:
72 case PIPE_CAP_POINT_SPRITE
:
74 case PIPE_CAP_MAX_RENDER_TARGETS
:
75 return vscreen
->caps
.caps
.v1
.max_render_targets
;
76 case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS
:
77 return vscreen
->caps
.caps
.v1
.max_dual_source_render_targets
;
78 case PIPE_CAP_OCCLUSION_QUERY
:
79 return vscreen
->caps
.caps
.v1
.bset
.occlusion_query
;
80 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
81 case PIPE_CAP_TEXTURE_MIRROR_CLAMP_TO_EDGE
:
82 return vscreen
->caps
.caps
.v1
.bset
.mirror_clamp
;
83 case PIPE_CAP_TEXTURE_SWIZZLE
:
85 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
86 if (vscreen
->caps
.caps
.v2
.max_texture_2d_size
)
87 return 1 + util_logbase2(vscreen
->caps
.caps
.v2
.max_texture_2d_size
);
88 return 15; /* 16K x 16K */
89 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
90 if (vscreen
->caps
.caps
.v2
.max_texture_3d_size
)
91 return 1 + util_logbase2(vscreen
->caps
.caps
.v2
.max_texture_3d_size
);
92 return 9; /* 256 x 256 x 256 */
93 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
94 if (vscreen
->caps
.caps
.v2
.max_texture_cube_size
)
95 return 1 + util_logbase2(vscreen
->caps
.caps
.v2
.max_texture_cube_size
);
96 return 13; /* 4K x 4K */
97 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
99 case PIPE_CAP_INDEP_BLEND_ENABLE
:
100 return vscreen
->caps
.caps
.v1
.bset
.indep_blend_enable
;
101 case PIPE_CAP_INDEP_BLEND_FUNC
:
102 return vscreen
->caps
.caps
.v1
.bset
.indep_blend_func
;
103 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
104 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
105 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
107 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
108 return vscreen
->caps
.caps
.v1
.bset
.fragment_coord_conventions
;
109 case PIPE_CAP_DEPTH_CLIP_DISABLE
:
110 return vscreen
->caps
.caps
.v1
.bset
.depth_clip_disable
;
111 case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS
:
112 return vscreen
->caps
.caps
.v1
.max_streamout_buffers
;
113 case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS
:
114 case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS
:
116 case PIPE_CAP_PRIMITIVE_RESTART
:
117 return vscreen
->caps
.caps
.v1
.bset
.primitive_restart
;
118 case PIPE_CAP_SHADER_STENCIL_EXPORT
:
119 return vscreen
->caps
.caps
.v1
.bset
.shader_stencil_export
;
120 case PIPE_CAP_TGSI_INSTANCEID
:
121 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR
:
123 case PIPE_CAP_SEAMLESS_CUBE_MAP
:
124 return vscreen
->caps
.caps
.v1
.bset
.seamless_cube_map
;
125 case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE
:
126 return vscreen
->caps
.caps
.v1
.bset
.seamless_cube_map_per_texture
;
127 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS
:
128 return vscreen
->caps
.caps
.v1
.max_texture_array_layers
;
129 case PIPE_CAP_MIN_TEXEL_OFFSET
:
130 return vscreen
->caps
.caps
.v2
.min_texel_offset
;
131 case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET
:
132 return vscreen
->caps
.caps
.v2
.min_texture_gather_offset
;
133 case PIPE_CAP_MAX_TEXEL_OFFSET
:
134 return vscreen
->caps
.caps
.v2
.max_texel_offset
;
135 case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET
:
136 return vscreen
->caps
.caps
.v2
.max_texture_gather_offset
;
137 case PIPE_CAP_CONDITIONAL_RENDER
:
138 return vscreen
->caps
.caps
.v1
.bset
.conditional_render
;
139 case PIPE_CAP_TEXTURE_BARRIER
:
140 return vscreen
->caps
.caps
.v2
.capability_bits
& VIRGL_CAP_TEXTURE_BARRIER
;
141 case PIPE_CAP_VERTEX_COLOR_UNCLAMPED
:
143 case PIPE_CAP_FRAGMENT_COLOR_CLAMPED
:
144 case PIPE_CAP_VERTEX_COLOR_CLAMPED
:
145 return vscreen
->caps
.caps
.v1
.bset
.color_clamping
;
146 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS
:
147 return (vscreen
->caps
.caps
.v2
.capability_bits
& VIRGL_CAP_FBO_MIXED_COLOR_FORMATS
) ||
148 (vscreen
->caps
.caps
.v2
.host_feature_check_version
< 1);
149 case PIPE_CAP_GLSL_FEATURE_LEVEL
:
150 return vscreen
->caps
.caps
.v1
.glsl_level
;
151 case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY
:
152 return MIN2(vscreen
->caps
.caps
.v1
.glsl_level
, 140);
153 case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION
:
154 case PIPE_CAP_DEPTH_CLIP_DISABLE_SEPARATE
:
156 case PIPE_CAP_COMPUTE
:
157 return vscreen
->caps
.caps
.v2
.capability_bits
& VIRGL_CAP_COMPUTE_SHADER
;
158 case PIPE_CAP_USER_VERTEX_BUFFERS
:
160 case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT
:
161 return vscreen
->caps
.caps
.v2
.uniform_buffer_offset_alignment
;
162 case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME
:
163 case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS
:
164 return vscreen
->caps
.caps
.v1
.bset
.streamout_pause_resume
;
165 case PIPE_CAP_START_INSTANCE
:
166 return vscreen
->caps
.caps
.v1
.bset
.start_instance
;
167 case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS
:
168 case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY
:
169 case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY
:
170 case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY
:
171 case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER
:
173 case PIPE_CAP_QUERY_TIMESTAMP
:
175 case PIPE_CAP_QUERY_TIME_ELAPSED
:
177 case PIPE_CAP_TGSI_TEXCOORD
:
179 case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT
:
180 return VIRGL_MAP_BUFFER_ALIGNMENT
;
181 case PIPE_CAP_TEXTURE_BUFFER_OBJECTS
:
182 return vscreen
->caps
.caps
.v1
.max_tbo_size
> 0;
183 case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT
:
184 return vscreen
->caps
.caps
.v2
.texture_buffer_offset_alignment
;
185 case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY
:
187 case PIPE_CAP_CUBE_MAP_ARRAY
:
188 return vscreen
->caps
.caps
.v1
.bset
.cube_map_array
;
189 case PIPE_CAP_TEXTURE_MULTISAMPLE
:
190 return vscreen
->caps
.caps
.v1
.bset
.texture_multisample
;
191 case PIPE_CAP_MAX_VIEWPORTS
:
192 return vscreen
->caps
.caps
.v1
.max_viewports
;
193 case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE
:
194 return vscreen
->caps
.caps
.v1
.max_tbo_size
;
195 case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK
:
196 case PIPE_CAP_QUERY_PIPELINE_STATISTICS
:
197 case PIPE_CAP_ENDIANNESS
:
199 case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES
:
200 case PIPE_CAP_MIXED_COLOR_DEPTH_BITS
:
202 case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT
:
204 case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES
:
205 return vscreen
->caps
.caps
.v2
.max_geom_output_vertices
;
206 case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS
:
207 return vscreen
->caps
.caps
.v2
.max_geom_total_output_components
;
208 case PIPE_CAP_TEXTURE_QUERY_LOD
:
209 return vscreen
->caps
.caps
.v1
.bset
.texture_query_lod
;
210 case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS
:
211 return vscreen
->caps
.caps
.v1
.max_texture_gather_components
;
212 case PIPE_CAP_DRAW_INDIRECT
:
213 return vscreen
->caps
.caps
.v1
.bset
.has_indirect_draw
;
214 case PIPE_CAP_SAMPLE_SHADING
:
215 case PIPE_CAP_FORCE_PERSAMPLE_INTERP
:
216 return vscreen
->caps
.caps
.v1
.bset
.has_sample_shading
;
217 case PIPE_CAP_CULL_DISTANCE
:
218 return vscreen
->caps
.caps
.v1
.bset
.has_cull
;
219 case PIPE_CAP_MAX_VERTEX_STREAMS
:
220 return ((vscreen
->caps
.caps
.v2
.capability_bits
& VIRGL_CAP_TRANSFORM_FEEDBACK3
) ||
221 (vscreen
->caps
.caps
.v2
.host_feature_check_version
< 2)) ? 4 : 1;
222 case PIPE_CAP_CONDITIONAL_RENDER_INVERTED
:
223 return vscreen
->caps
.caps
.v1
.bset
.conditional_render_inverted
;
224 case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE
:
225 return vscreen
->caps
.caps
.v1
.bset
.derivative_control
;
226 case PIPE_CAP_POLYGON_OFFSET_CLAMP
:
227 return vscreen
->caps
.caps
.v1
.bset
.polygon_offset_clamp
;
228 case PIPE_CAP_QUERY_SO_OVERFLOW
:
229 return vscreen
->caps
.caps
.v1
.bset
.transform_feedback_overflow_query
;
230 case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT
:
231 return vscreen
->caps
.caps
.v2
.shader_buffer_offset_alignment
;
232 case PIPE_CAP_DOUBLES
:
233 return vscreen
->caps
.caps
.v1
.bset
.has_fp64
||
234 (vscreen
->caps
.caps
.v2
.capability_bits
& VIRGL_CAP_FAKE_FP64
);
235 case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS
:
236 return vscreen
->caps
.caps
.v2
.max_shader_patch_varyings
;
237 case PIPE_CAP_SAMPLER_VIEW_TARGET
:
238 return vscreen
->caps
.caps
.v2
.capability_bits
& VIRGL_CAP_TEXTURE_VIEW
;
239 case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE
:
240 return vscreen
->caps
.caps
.v2
.max_vertex_attrib_stride
;
241 case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS
:
242 return vscreen
->caps
.caps
.v2
.capability_bits
& VIRGL_CAP_COPY_IMAGE
;
243 case PIPE_CAP_TGSI_TXQS
:
244 return vscreen
->caps
.caps
.v2
.capability_bits
& VIRGL_CAP_TXQS
;
245 case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT
:
246 return vscreen
->caps
.caps
.v2
.capability_bits
& VIRGL_CAP_FB_NO_ATTACH
;
247 case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR
:
248 return vscreen
->caps
.caps
.v2
.capability_bits
& VIRGL_CAP_ROBUST_BUFFER_ACCESS
;
249 case PIPE_CAP_TGSI_FS_FBFETCH
:
250 return vscreen
->caps
.caps
.v2
.capability_bits
& VIRGL_CAP_TGSI_FBFETCH
;
251 case PIPE_CAP_TGSI_CLOCK
:
252 return vscreen
->caps
.caps
.v2
.capability_bits
& VIRGL_CAP_SHADER_CLOCK
;
253 case PIPE_CAP_TGSI_ARRAY_COMPONENTS
:
254 return vscreen
->caps
.caps
.v2
.capability_bits
& VIRGL_CAP_TGSI_COMPONENTS
;
255 case PIPE_CAP_MAX_COMBINED_SHADER_BUFFERS
:
256 return vscreen
->caps
.caps
.v2
.max_combined_shader_buffers
;
257 case PIPE_CAP_MAX_COMBINED_HW_ATOMIC_COUNTERS
:
258 return vscreen
->caps
.caps
.v2
.max_combined_atomic_counters
;
259 case PIPE_CAP_MAX_COMBINED_HW_ATOMIC_COUNTER_BUFFERS
:
260 return vscreen
->caps
.caps
.v2
.max_combined_atomic_counter_buffers
;
261 case PIPE_CAP_TEXTURE_FLOAT_LINEAR
:
262 case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR
:
263 return 1; /* TODO: need to introduce a hw-cap for this */
264 case PIPE_CAP_QUERY_BUFFER_OBJECT
:
265 return vscreen
->caps
.caps
.v2
.capability_bits
& VIRGL_CAP_QBO
;
266 case PIPE_CAP_MAX_VARYINGS
:
267 if (vscreen
->caps
.caps
.v1
.glsl_level
< 150)
268 return vscreen
->caps
.caps
.v2
.max_vertex_attribs
;
270 case PIPE_CAP_FAKE_SW_MSAA
:
271 /* If the host supports only one sample (e.g., if it is using softpipe),
272 * fake multisampling to able to advertise higher GL versions. */
273 return (vscreen
->caps
.caps
.v1
.max_samples
== 1) ? 1 : 0;
274 case PIPE_CAP_MULTI_DRAW_INDIRECT
:
275 return !!(vscreen
->caps
.caps
.v2
.capability_bits
& VIRGL_CAP_MULTI_DRAW_INDIRECT
);
276 case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS
:
277 return !!(vscreen
->caps
.caps
.v2
.capability_bits
& VIRGL_CAP_INDIRECT_PARAMS
);
278 case PIPE_CAP_TEXTURE_GATHER_SM5
:
279 case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT
:
280 case PIPE_CAP_TEXTURE_GATHER_OFFSETS
:
281 case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION
:
282 case PIPE_CAP_CLIP_HALFZ
:
283 case PIPE_CAP_VERTEXID_NOBASE
:
284 case PIPE_CAP_MULTISAMPLE_Z_RESOLVE
:
285 case PIPE_CAP_RESOURCE_FROM_USER_MEMORY
:
286 case PIPE_CAP_DEVICE_RESET_STATUS_QUERY
:
287 case PIPE_CAP_DEPTH_BOUNDS_TEST
:
288 case PIPE_CAP_SHAREABLE_SHADERS
:
289 case PIPE_CAP_CLEAR_TEXTURE
:
290 case PIPE_CAP_DRAW_PARAMETERS
:
291 case PIPE_CAP_TGSI_PACK_HALF_FLOAT
:
292 case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL
:
293 case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL
:
294 case PIPE_CAP_INVALIDATE_BUFFER
:
295 case PIPE_CAP_GENERATE_MIPMAP
:
296 case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS
:
297 case PIPE_CAP_STRING_MARKER
:
298 case PIPE_CAP_QUERY_MEMORY_INFO
:
299 case PIPE_CAP_PCI_GROUP
:
300 case PIPE_CAP_PCI_BUS
:
301 case PIPE_CAP_PCI_DEVICE
:
302 case PIPE_CAP_PCI_FUNCTION
:
303 case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES
:
304 case PIPE_CAP_TGSI_VOTE
:
305 case PIPE_CAP_MAX_WINDOW_RECTANGLES
:
306 case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED
:
307 case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS
:
308 case PIPE_CAP_TGSI_CAN_READ_OUTPUTS
:
309 case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY
:
310 case PIPE_CAP_TGSI_MUL_ZERO_WINS
:
312 case PIPE_CAP_INT64_DIVMOD
:
313 case PIPE_CAP_TGSI_TEX_TXF_LZ
:
314 case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE
:
315 case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE
:
316 case PIPE_CAP_TGSI_BALLOT
:
317 case PIPE_CAP_TGSI_TES_LAYER_VIEWPORT
:
318 case PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX
:
319 case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION
:
320 case PIPE_CAP_POST_DEPTH_COVERAGE
:
321 case PIPE_CAP_BINDLESS_TEXTURE
:
322 case PIPE_CAP_NIR_SAMPLERS_AS_DEREF
:
323 case PIPE_CAP_MEMOBJ
:
324 case PIPE_CAP_LOAD_CONSTBUF
:
325 case PIPE_CAP_TGSI_ANY_REG_AS_ADDRESS
:
326 case PIPE_CAP_TILE_RASTER_ORDER
:
327 case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES
:
328 case PIPE_CAP_FRAMEBUFFER_MSAA_CONSTRAINTS
:
329 case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET
:
330 case PIPE_CAP_CONTEXT_PRIORITY_MASK
:
331 case PIPE_CAP_FENCE_SIGNAL
:
332 case PIPE_CAP_CONSTBUF0_FLAGS
:
333 case PIPE_CAP_PACKED_UNIFORMS
:
334 case PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_TRIANGLES
:
335 case PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_POINTS_LINES
:
336 case PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_TRIANGLES
:
337 case PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_POINTS_LINES
:
338 case PIPE_CAP_CONSERVATIVE_RASTER_POST_DEPTH_COVERAGE
:
339 case PIPE_CAP_MAX_CONSERVATIVE_RASTER_SUBPIXEL_PRECISION_BIAS
:
340 case PIPE_CAP_PROGRAMMABLE_SAMPLE_LOCATIONS
:
341 case PIPE_CAP_MAX_TEXTURE_UPLOAD_MEMORY_BUDGET
:
343 case PIPE_CAP_MAX_GS_INVOCATIONS
:
345 case PIPE_CAP_MAX_SHADER_BUFFER_SIZE
:
347 case PIPE_CAP_VENDOR_ID
:
349 case PIPE_CAP_DEVICE_ID
:
351 case PIPE_CAP_ACCELERATED
:
354 case PIPE_CAP_VIDEO_MEMORY
:
356 case PIPE_CAP_NATIVE_FENCE_FD
:
357 return vscreen
->vws
->supports_fences
;
358 case PIPE_CAP_DEST_SURFACE_SRGB_CONTROL
:
359 return vscreen
->caps
.caps
.v2
.capability_bits
& VIRGL_CAP_SRGB_WRITE_CONTROL
;
360 case PIPE_CAP_TGSI_SKIP_SHRINK_IO_ARRAYS
:
361 return vscreen
->caps
.caps
.v2
.capability_bits
& VIRGL_CAP_INDIRECT_INPUT_ADDR
;
363 return u_pipe_screen_get_param_defaults(screen
, param
);
368 virgl_get_shader_param(struct pipe_screen
*screen
,
369 enum pipe_shader_type shader
,
370 enum pipe_shader_cap param
)
372 struct virgl_screen
*vscreen
= virgl_screen(screen
);
374 if ((shader
== PIPE_SHADER_TESS_CTRL
|| shader
== PIPE_SHADER_TESS_EVAL
) &&
375 !vscreen
->caps
.caps
.v1
.bset
.has_tessellation_shaders
)
378 if (shader
== PIPE_SHADER_COMPUTE
&&
379 !(vscreen
->caps
.caps
.v2
.capability_bits
& VIRGL_CAP_COMPUTE_SHADER
))
384 case PIPE_SHADER_FRAGMENT
:
385 case PIPE_SHADER_VERTEX
:
386 case PIPE_SHADER_GEOMETRY
:
387 case PIPE_SHADER_TESS_CTRL
:
388 case PIPE_SHADER_TESS_EVAL
:
389 case PIPE_SHADER_COMPUTE
:
391 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS
:
392 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS
:
393 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS
:
394 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS
:
396 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR
:
397 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR
:
398 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR
:
400 case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE
:
401 case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR
:
402 return vscreen
->caps
.caps
.v2
.capability_bits
& VIRGL_CAP_INDIRECT_INPUT_ADDR
;
403 case PIPE_SHADER_CAP_MAX_INPUTS
:
404 if (vscreen
->caps
.caps
.v1
.glsl_level
< 150)
405 return vscreen
->caps
.caps
.v2
.max_vertex_attribs
;
406 return (shader
== PIPE_SHADER_VERTEX
||
407 shader
== PIPE_SHADER_GEOMETRY
) ? vscreen
->caps
.caps
.v2
.max_vertex_attribs
: 32;
408 case PIPE_SHADER_CAP_MAX_OUTPUTS
:
409 if (shader
== PIPE_SHADER_FRAGMENT
)
410 return vscreen
->caps
.caps
.v1
.max_render_targets
;
411 return vscreen
->caps
.caps
.v2
.max_vertex_outputs
;
412 // case PIPE_SHADER_CAP_MAX_CONSTS:
414 case PIPE_SHADER_CAP_MAX_TEMPS
:
416 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS
:
417 return vscreen
->caps
.caps
.v1
.max_uniform_blocks
;
418 // case PIPE_SHADER_CAP_MAX_ADDRS:
420 case PIPE_SHADER_CAP_SUBROUTINES
:
422 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS
:
424 case PIPE_SHADER_CAP_INTEGERS
:
425 return vscreen
->caps
.caps
.v1
.glsl_level
>= 130;
426 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH
:
428 case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE
:
429 return 4096 * sizeof(float[4]);
430 case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS
:
431 if (shader
== PIPE_SHADER_FRAGMENT
|| shader
== PIPE_SHADER_COMPUTE
)
432 return vscreen
->caps
.caps
.v2
.max_shader_buffer_frag_compute
;
434 return vscreen
->caps
.caps
.v2
.max_shader_buffer_other_stages
;
435 case PIPE_SHADER_CAP_MAX_SHADER_IMAGES
:
436 if (shader
== PIPE_SHADER_FRAGMENT
|| shader
== PIPE_SHADER_COMPUTE
)
437 return vscreen
->caps
.caps
.v2
.max_shader_image_frag_compute
;
439 return vscreen
->caps
.caps
.v2
.max_shader_image_other_stages
;
440 case PIPE_SHADER_CAP_SUPPORTED_IRS
:
441 return (1 << PIPE_SHADER_IR_TGSI
);
442 case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS
:
443 return vscreen
->caps
.caps
.v2
.max_atomic_counters
[shader
];
444 case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS
:
445 return vscreen
->caps
.caps
.v2
.max_atomic_counter_buffers
[shader
];
446 case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD
:
447 case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS
:
448 case PIPE_SHADER_CAP_INT64_ATOMICS
:
449 case PIPE_SHADER_CAP_FP16
:
451 case PIPE_SHADER_CAP_SCALAR_ISA
:
462 virgl_get_paramf(struct pipe_screen
*screen
, enum pipe_capf param
)
464 struct virgl_screen
*vscreen
= virgl_screen(screen
);
466 case PIPE_CAPF_MAX_LINE_WIDTH
:
467 return vscreen
->caps
.caps
.v2
.max_aliased_line_width
;
468 case PIPE_CAPF_MAX_LINE_WIDTH_AA
:
469 return vscreen
->caps
.caps
.v2
.max_smooth_line_width
;
470 case PIPE_CAPF_MAX_POINT_WIDTH
:
471 return vscreen
->caps
.caps
.v2
.max_aliased_point_size
;
472 case PIPE_CAPF_MAX_POINT_WIDTH_AA
:
473 return vscreen
->caps
.caps
.v2
.max_smooth_point_size
;
474 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY
:
476 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS
:
477 return vscreen
->caps
.caps
.v2
.max_texture_lod_bias
;
478 case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE
:
479 case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE
:
480 case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY
:
483 /* should only get here on unhandled cases */
484 debug_printf("Unexpected PIPE_CAPF %d query\n", param
);
489 virgl_get_compute_param(struct pipe_screen
*screen
,
490 enum pipe_shader_ir ir_type
,
491 enum pipe_compute_cap param
,
494 struct virgl_screen
*vscreen
= virgl_screen(screen
);
495 if (!(vscreen
->caps
.caps
.v2
.capability_bits
& VIRGL_CAP_COMPUTE_SHADER
))
498 case PIPE_COMPUTE_CAP_MAX_GRID_SIZE
:
500 uint64_t *grid_size
= ret
;
501 grid_size
[0] = vscreen
->caps
.caps
.v2
.max_compute_grid_size
[0];
502 grid_size
[1] = vscreen
->caps
.caps
.v2
.max_compute_grid_size
[1];
503 grid_size
[2] = vscreen
->caps
.caps
.v2
.max_compute_grid_size
[2];
505 return 3 * sizeof(uint64_t) ;
506 case PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE
:
508 uint64_t *block_size
= ret
;
509 block_size
[0] = vscreen
->caps
.caps
.v2
.max_compute_block_size
[0];
510 block_size
[1] = vscreen
->caps
.caps
.v2
.max_compute_block_size
[1];
511 block_size
[2] = vscreen
->caps
.caps
.v2
.max_compute_block_size
[2];
513 return 3 * sizeof(uint64_t);
514 case PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK
:
516 uint64_t *max_threads_per_block
= ret
;
517 *max_threads_per_block
= vscreen
->caps
.caps
.v2
.max_compute_work_group_invocations
;
519 return sizeof(uint64_t);
520 case PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE
:
522 uint64_t *max_local_size
= ret
;
523 /* Value reported by the closed source driver. */
524 *max_local_size
= vscreen
->caps
.caps
.v2
.max_compute_shared_memory_size
;
526 return sizeof(uint64_t);
534 has_format_bit(struct virgl_supported_format_mask
*mask
,
535 enum virgl_formats fmt
)
537 assert(fmt
< VIRGL_FORMAT_MAX
);
538 unsigned val
= (unsigned)fmt
;
539 unsigned idx
= val
/ 32;
540 unsigned bit
= val
% 32;
541 assert(idx
< ARRAY_SIZE(mask
->bitmask
));
542 return (mask
->bitmask
[val
/ 32] & (1u << bit
)) != 0;
546 virgl_has_readback_format(struct pipe_screen
*screen
,
547 enum virgl_formats fmt
)
549 struct virgl_screen
*vscreen
= virgl_screen(screen
);
550 return has_format_bit(&vscreen
->caps
.caps
.v2
.supported_readback_formats
,
555 virgl_is_vertex_format_supported(struct pipe_screen
*screen
,
556 enum pipe_format format
)
558 struct virgl_screen
*vscreen
= virgl_screen(screen
);
559 const struct util_format_description
*format_desc
;
562 format_desc
= util_format_description(format
);
566 if (format
== PIPE_FORMAT_R11G11B10_FLOAT
) {
567 int vformat
= VIRGL_FORMAT_R11G11B10_FLOAT
;
568 int big
= vformat
/ 32;
569 int small
= vformat
% 32;
570 if (!(vscreen
->caps
.caps
.v1
.vertexbuffer
.bitmask
[big
] & (1 << small
)))
575 /* Find the first non-VOID channel. */
576 for (i
= 0; i
< 4; i
++) {
577 if (format_desc
->channel
[i
].type
!= UTIL_FORMAT_TYPE_VOID
) {
585 if (format_desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
)
588 if (format_desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_FIXED
)
594 * Query format support for creating a texture, drawing surface, etc.
595 * \param format the format to test
596 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
599 virgl_is_format_supported( struct pipe_screen
*screen
,
600 enum pipe_format format
,
601 enum pipe_texture_target target
,
602 unsigned sample_count
,
603 unsigned storage_sample_count
,
606 struct virgl_screen
*vscreen
= virgl_screen(screen
);
607 const struct util_format_description
*format_desc
;
610 if (MAX2(1, sample_count
) != MAX2(1, storage_sample_count
))
613 assert(target
== PIPE_BUFFER
||
614 target
== PIPE_TEXTURE_1D
||
615 target
== PIPE_TEXTURE_1D_ARRAY
||
616 target
== PIPE_TEXTURE_2D
||
617 target
== PIPE_TEXTURE_2D_ARRAY
||
618 target
== PIPE_TEXTURE_RECT
||
619 target
== PIPE_TEXTURE_3D
||
620 target
== PIPE_TEXTURE_CUBE
||
621 target
== PIPE_TEXTURE_CUBE_ARRAY
);
623 format_desc
= util_format_description(format
);
627 if (util_format_is_intensity(format
))
630 if (sample_count
> 1) {
631 if (!vscreen
->caps
.caps
.v1
.bset
.texture_multisample
)
634 if (bind
& PIPE_BIND_SHADER_IMAGE
) {
635 if (sample_count
> vscreen
->caps
.caps
.v2
.max_image_samples
)
639 if (sample_count
> vscreen
->caps
.caps
.v1
.max_samples
)
643 if (bind
& PIPE_BIND_VERTEX_BUFFER
) {
644 return virgl_is_vertex_format_supported(screen
, format
);
647 if (util_format_is_compressed(format
) && target
== PIPE_BUFFER
)
650 /* Allow 3-comp 32 bit textures only for TBOs (needed for ARB_tbo_rgb32) */
651 if ((format
== PIPE_FORMAT_R32G32B32_FLOAT
||
652 format
== PIPE_FORMAT_R32G32B32_SINT
||
653 format
== PIPE_FORMAT_R32G32B32_UINT
) &&
654 target
!= PIPE_BUFFER
)
657 if ((format_desc
->layout
== UTIL_FORMAT_LAYOUT_RGTC
||
658 format_desc
->layout
== UTIL_FORMAT_LAYOUT_ETC
||
659 format_desc
->layout
== UTIL_FORMAT_LAYOUT_S3TC
) &&
660 target
== PIPE_TEXTURE_3D
)
663 if (bind
& PIPE_BIND_RENDER_TARGET
) {
664 /* For ARB_framebuffer_no_attachments. */
665 if (format
== PIPE_FORMAT_NONE
)
668 if (format_desc
->colorspace
== UTIL_FORMAT_COLORSPACE_ZS
)
672 * Although possible, it is unnatural to render into compressed or YUV
673 * surfaces. So disable these here to avoid going into weird paths
674 * inside the state trackers.
676 if (format_desc
->block
.width
!= 1 ||
677 format_desc
->block
.height
!= 1)
681 int big
= format
/ 32;
682 int small
= format
% 32;
683 if (!(vscreen
->caps
.caps
.v1
.render
.bitmask
[big
] & (1 << small
)))
688 if (bind
& PIPE_BIND_DEPTH_STENCIL
) {
689 if (format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
)
694 * All other operations (sampling, transfer, etc).
697 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_S3TC
) {
700 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_RGTC
) {
703 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_BPTC
) {
707 if (format
== PIPE_FORMAT_R11G11B10_FLOAT
) {
709 } else if (format
== PIPE_FORMAT_R9G9B9E5_FLOAT
) {
713 /* Find the first non-VOID channel. */
714 for (i
= 0; i
< 4; i
++) {
715 if (format_desc
->channel
[i
].type
!= UTIL_FORMAT_TYPE_VOID
) {
724 if (format_desc
->nr_channels
< 4 && format_desc
->channel
[i
].size
== 4)
729 int big
= format
/ 32;
730 int small
= format
% 32;
731 if (!(vscreen
->caps
.caps
.v1
.sampler
.bitmask
[big
] & (1 << small
)))
735 * Everything else should be supported by u_format.
740 static void virgl_flush_frontbuffer(struct pipe_screen
*screen
,
741 struct pipe_resource
*res
,
742 unsigned level
, unsigned layer
,
743 void *winsys_drawable_handle
, struct pipe_box
*sub_box
)
745 struct virgl_screen
*vscreen
= virgl_screen(screen
);
746 struct virgl_winsys
*vws
= vscreen
->vws
;
747 struct virgl_resource
*vres
= virgl_resource(res
);
749 if (vws
->flush_frontbuffer
)
750 vws
->flush_frontbuffer(vws
, vres
->hw_res
, level
, layer
, winsys_drawable_handle
,
754 static void virgl_fence_reference(struct pipe_screen
*screen
,
755 struct pipe_fence_handle
**ptr
,
756 struct pipe_fence_handle
*fence
)
758 struct virgl_screen
*vscreen
= virgl_screen(screen
);
759 struct virgl_winsys
*vws
= vscreen
->vws
;
761 vws
->fence_reference(vws
, ptr
, fence
);
764 static boolean
virgl_fence_finish(struct pipe_screen
*screen
,
765 struct pipe_context
*ctx
,
766 struct pipe_fence_handle
*fence
,
769 struct virgl_screen
*vscreen
= virgl_screen(screen
);
770 struct virgl_winsys
*vws
= vscreen
->vws
;
772 return vws
->fence_wait(vws
, fence
, timeout
);
775 static int virgl_fence_get_fd(struct pipe_screen
*screen
,
776 struct pipe_fence_handle
*fence
)
778 struct virgl_screen
*vscreen
= virgl_screen(screen
);
779 struct virgl_winsys
*vws
= vscreen
->vws
;
781 return vws
->fence_get_fd(vws
, fence
);
785 virgl_get_timestamp(struct pipe_screen
*_screen
)
787 return os_time_get_nano();
791 virgl_destroy_screen(struct pipe_screen
*screen
)
793 struct virgl_screen
*vscreen
= virgl_screen(screen
);
794 struct virgl_winsys
*vws
= vscreen
->vws
;
796 slab_destroy_parent(&vscreen
->transfer_pool
);
804 fixup_readback_format(union virgl_caps
*caps
)
806 const size_t size
= ARRAY_SIZE(caps
->v2
.supported_readback_formats
.bitmask
);
807 for (int i
= 0; i
< size
; ++i
) {
808 if (caps
->v2
.supported_readback_formats
.bitmask
[i
] != 0)
809 return; /* we got some formats, we definately have a new protocol */
812 /* old protocol used; fall back to considering all sampleable formats valid
815 for (int i
= 0; i
< size
; ++i
) {
816 caps
->v2
.supported_readback_formats
.bitmask
[i
] =
817 caps
->v1
.sampler
.bitmask
[i
];
822 virgl_create_screen(struct virgl_winsys
*vws
)
824 struct virgl_screen
*screen
= CALLOC_STRUCT(virgl_screen
);
829 virgl_debug
= debug_get_option_virgl_debug();
832 screen
->base
.get_name
= virgl_get_name
;
833 screen
->base
.get_vendor
= virgl_get_vendor
;
834 screen
->base
.get_param
= virgl_get_param
;
835 screen
->base
.get_shader_param
= virgl_get_shader_param
;
836 screen
->base
.get_compute_param
= virgl_get_compute_param
;
837 screen
->base
.get_paramf
= virgl_get_paramf
;
838 screen
->base
.is_format_supported
= virgl_is_format_supported
;
839 screen
->base
.destroy
= virgl_destroy_screen
;
840 screen
->base
.context_create
= virgl_context_create
;
841 screen
->base
.flush_frontbuffer
= virgl_flush_frontbuffer
;
842 screen
->base
.get_timestamp
= virgl_get_timestamp
;
843 screen
->base
.fence_reference
= virgl_fence_reference
;
844 //screen->base.fence_signalled = virgl_fence_signalled;
845 screen
->base
.fence_finish
= virgl_fence_finish
;
846 screen
->base
.fence_get_fd
= virgl_fence_get_fd
;
848 virgl_init_screen_resource_functions(&screen
->base
);
850 vws
->get_caps(vws
, &screen
->caps
);
851 fixup_readback_format(&screen
->caps
.caps
);
855 slab_create_parent(&screen
->transfer_pool
, sizeof(struct virgl_transfer
), 16);
857 return &screen
->base
;