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"
30 #include "draw/draw_context.h"
32 #include "tgsi/tgsi_exec.h"
34 #include "virgl_screen.h"
35 #include "virgl_resource.h"
36 #include "virgl_public.h"
37 #include "virgl_context.h"
39 #define SP_MAX_TEXTURE_2D_LEVELS 15 /* 16K x 16K */
40 #define SP_MAX_TEXTURE_3D_LEVELS 9 /* 512 x 512 x 512 */
41 #define SP_MAX_TEXTURE_CUBE_LEVELS 13 /* 4K x 4K */
44 virgl_get_vendor(struct pipe_screen
*screen
)
51 virgl_get_name(struct pipe_screen
*screen
)
57 virgl_get_param(struct pipe_screen
*screen
, enum pipe_cap param
)
59 struct virgl_screen
*vscreen
= virgl_screen(screen
);
61 case PIPE_CAP_NPOT_TEXTURES
:
63 case PIPE_CAP_TWO_SIDED_STENCIL
:
67 case PIPE_CAP_ANISOTROPIC_FILTER
:
69 case PIPE_CAP_POINT_SPRITE
:
71 case PIPE_CAP_MAX_RENDER_TARGETS
:
72 return vscreen
->caps
.caps
.v1
.max_render_targets
;
73 case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS
:
74 return vscreen
->caps
.caps
.v1
.max_dual_source_render_targets
;
75 case PIPE_CAP_OCCLUSION_QUERY
:
76 return vscreen
->caps
.caps
.v1
.bset
.occlusion_query
;
77 case PIPE_CAP_TEXTURE_MIRROR_CLAMP
:
78 return vscreen
->caps
.caps
.v1
.bset
.mirror_clamp
;
79 case PIPE_CAP_TEXTURE_SHADOW_MAP
:
81 case PIPE_CAP_TEXTURE_SWIZZLE
:
83 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS
:
84 return SP_MAX_TEXTURE_2D_LEVELS
;
85 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS
:
86 return SP_MAX_TEXTURE_3D_LEVELS
;
87 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS
:
88 return SP_MAX_TEXTURE_CUBE_LEVELS
;
89 case PIPE_CAP_BLEND_EQUATION_SEPARATE
:
91 case PIPE_CAP_INDEP_BLEND_ENABLE
:
92 return vscreen
->caps
.caps
.v1
.bset
.indep_blend_enable
;
93 case PIPE_CAP_INDEP_BLEND_FUNC
:
94 return vscreen
->caps
.caps
.v1
.bset
.indep_blend_func
;
95 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT
:
96 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT
:
97 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER
:
98 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
:
99 return vscreen
->caps
.caps
.v1
.bset
.fragment_coord_conventions
;
100 case PIPE_CAP_DEPTH_CLIP_DISABLE
:
101 return vscreen
->caps
.caps
.v1
.bset
.depth_clip_disable
;
102 case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS
:
103 return vscreen
->caps
.caps
.v1
.max_streamout_buffers
;
104 case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS
:
105 case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS
:
107 case PIPE_CAP_PRIMITIVE_RESTART
:
108 return vscreen
->caps
.caps
.v1
.bset
.primitive_restart
;
109 case PIPE_CAP_SHADER_STENCIL_EXPORT
:
110 return vscreen
->caps
.caps
.v1
.bset
.shader_stencil_export
;
111 case PIPE_CAP_TGSI_INSTANCEID
:
112 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR
:
114 case PIPE_CAP_SEAMLESS_CUBE_MAP
:
115 return vscreen
->caps
.caps
.v1
.bset
.seamless_cube_map
;
116 case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE
:
117 return vscreen
->caps
.caps
.v1
.bset
.seamless_cube_map_per_texture
;
118 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS
:
119 return vscreen
->caps
.caps
.v1
.max_texture_array_layers
;
120 case PIPE_CAP_MIN_TEXEL_OFFSET
:
121 case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET
:
123 case PIPE_CAP_MAX_TEXEL_OFFSET
:
124 case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET
:
126 case PIPE_CAP_CONDITIONAL_RENDER
:
127 return vscreen
->caps
.caps
.v1
.bset
.conditional_render
;
128 case PIPE_CAP_TEXTURE_BARRIER
:
130 case PIPE_CAP_VERTEX_COLOR_UNCLAMPED
:
132 case PIPE_CAP_FRAGMENT_COLOR_CLAMPED
:
133 case PIPE_CAP_VERTEX_COLOR_CLAMPED
:
134 return vscreen
->caps
.caps
.v1
.bset
.color_clamping
;
135 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS
:
137 case PIPE_CAP_GLSL_FEATURE_LEVEL
:
138 return vscreen
->caps
.caps
.v1
.glsl_level
;
139 case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION
:
141 case PIPE_CAP_COMPUTE
:
143 case PIPE_CAP_USER_VERTEX_BUFFERS
:
145 case PIPE_CAP_USER_INDEX_BUFFERS
:
146 case PIPE_CAP_USER_CONSTANT_BUFFERS
:
148 case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT
:
150 case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME
:
151 return vscreen
->caps
.caps
.v1
.bset
.streamout_pause_resume
;
152 case PIPE_CAP_START_INSTANCE
:
153 return vscreen
->caps
.caps
.v1
.bset
.start_instance
;
154 case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS
:
155 case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY
:
156 case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY
:
157 case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY
:
158 case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER
:
160 case PIPE_CAP_QUERY_TIMESTAMP
:
162 case PIPE_CAP_QUERY_TIME_ELAPSED
:
164 case PIPE_CAP_TGSI_TEXCOORD
:
166 case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT
:
167 return VIRGL_MAP_BUFFER_ALIGNMENT
;
168 case PIPE_CAP_TEXTURE_BUFFER_OBJECTS
:
169 return vscreen
->caps
.caps
.v1
.max_tbo_size
> 0;
170 case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT
:
172 case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY
:
174 case PIPE_CAP_CUBE_MAP_ARRAY
:
175 return vscreen
->caps
.caps
.v1
.bset
.cube_map_array
;
176 case PIPE_CAP_TEXTURE_MULTISAMPLE
:
177 return vscreen
->caps
.caps
.v1
.bset
.texture_multisample
;
178 case PIPE_CAP_MAX_VIEWPORTS
:
179 return vscreen
->caps
.caps
.v1
.max_viewports
;
180 case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE
:
181 return vscreen
->caps
.caps
.v1
.max_tbo_size
;
182 case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK
:
183 case PIPE_CAP_QUERY_PIPELINE_STATISTICS
:
184 case PIPE_CAP_ENDIANNESS
:
186 case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES
:
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
:
236 case PIPE_CAP_VENDOR_ID
:
238 case PIPE_CAP_DEVICE_ID
:
240 case PIPE_CAP_ACCELERATED
:
243 case PIPE_CAP_VIDEO_MEMORY
:
246 /* should only get here on unhandled cases */
247 debug_printf("Unexpected PIPE_CAP %d query\n", param
);
252 virgl_get_shader_param(struct pipe_screen
*screen
, unsigned shader
, enum pipe_shader_cap param
)
254 struct virgl_screen
*vscreen
= virgl_screen(screen
);
257 case PIPE_SHADER_FRAGMENT
:
258 case PIPE_SHADER_VERTEX
:
259 case PIPE_SHADER_GEOMETRY
:
261 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS
:
262 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS
:
263 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS
:
264 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS
:
266 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR
:
267 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR
:
268 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR
:
270 case PIPE_SHADER_CAP_MAX_INPUTS
:
271 if (vscreen
->caps
.caps
.v1
.glsl_level
< 150)
273 return shader
== PIPE_SHADER_VERTEX
? 16 : 32;
274 case PIPE_SHADER_CAP_MAX_OUTPUTS
:
276 // case PIPE_SHADER_CAP_MAX_CONSTS:
278 case PIPE_SHADER_CAP_MAX_TEMPS
:
280 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS
:
281 return vscreen
->caps
.caps
.v1
.max_uniform_blocks
;
282 // case PIPE_SHADER_CAP_MAX_ADDRS:
284 case PIPE_SHADER_CAP_MAX_PREDS
:
286 case PIPE_SHADER_CAP_SUBROUTINES
:
288 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS
:
290 case PIPE_SHADER_CAP_INTEGERS
:
291 return vscreen
->caps
.caps
.v1
.glsl_level
>= 130;
292 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH
:
294 case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE
:
295 return 4096 * sizeof(float[4]);
305 virgl_get_paramf(struct pipe_screen
*screen
, enum pipe_capf param
)
308 case PIPE_CAPF_MAX_LINE_WIDTH
:
310 case PIPE_CAPF_MAX_LINE_WIDTH_AA
:
311 return 255.0; /* arbitrary */
312 case PIPE_CAPF_MAX_POINT_WIDTH
:
314 case PIPE_CAPF_MAX_POINT_WIDTH_AA
:
315 return 255.0; /* arbitrary */
316 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY
:
318 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS
:
319 return 16.0; /* arbitrary */
320 case PIPE_CAPF_GUARD_BAND_LEFT
:
321 case PIPE_CAPF_GUARD_BAND_TOP
:
322 case PIPE_CAPF_GUARD_BAND_RIGHT
:
323 case PIPE_CAPF_GUARD_BAND_BOTTOM
:
326 /* should only get here on unhandled cases */
327 debug_printf("Unexpected PIPE_CAPF %d query\n", param
);
332 virgl_is_vertex_format_supported(struct pipe_screen
*screen
,
333 enum pipe_format format
)
335 struct virgl_screen
*vscreen
= virgl_screen(screen
);
336 const struct util_format_description
*format_desc
;
339 format_desc
= util_format_description(format
);
343 if (format
== PIPE_FORMAT_R11G11B10_FLOAT
) {
344 int vformat
= VIRGL_FORMAT_R11G11B10_FLOAT
;
345 int big
= vformat
/ 32;
346 int small
= vformat
% 32;
347 if (!(vscreen
->caps
.caps
.v1
.vertexbuffer
.bitmask
[big
] & (1 << small
)))
352 /* Find the first non-VOID channel. */
353 for (i
= 0; i
< 4; i
++) {
354 if (format_desc
->channel
[i
].type
!= UTIL_FORMAT_TYPE_VOID
) {
362 if (format_desc
->layout
!= UTIL_FORMAT_LAYOUT_PLAIN
)
365 if (format_desc
->channel
[i
].type
== UTIL_FORMAT_TYPE_FIXED
)
371 * Query format support for creating a texture, drawing surface, etc.
372 * \param format the format to test
373 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
376 virgl_is_format_supported( struct pipe_screen
*screen
,
377 enum pipe_format format
,
378 enum pipe_texture_target target
,
379 unsigned sample_count
,
382 struct virgl_screen
*vscreen
= virgl_screen(screen
);
383 const struct util_format_description
*format_desc
;
386 assert(target
== PIPE_BUFFER
||
387 target
== PIPE_TEXTURE_1D
||
388 target
== PIPE_TEXTURE_1D_ARRAY
||
389 target
== PIPE_TEXTURE_2D
||
390 target
== PIPE_TEXTURE_2D_ARRAY
||
391 target
== PIPE_TEXTURE_RECT
||
392 target
== PIPE_TEXTURE_3D
||
393 target
== PIPE_TEXTURE_CUBE
||
394 target
== PIPE_TEXTURE_CUBE_ARRAY
);
396 format_desc
= util_format_description(format
);
400 if (util_format_is_intensity(format
))
403 if (sample_count
> 1) {
404 if (!vscreen
->caps
.caps
.v1
.bset
.texture_multisample
)
406 if (sample_count
> vscreen
->caps
.caps
.v1
.max_samples
)
410 if (bind
& PIPE_BIND_VERTEX_BUFFER
) {
411 return virgl_is_vertex_format_supported(screen
, format
);
414 if (bind
& PIPE_BIND_RENDER_TARGET
) {
415 if (format_desc
->colorspace
== UTIL_FORMAT_COLORSPACE_ZS
)
419 * Although possible, it is unnatural to render into compressed or YUV
420 * surfaces. So disable these here to avoid going into weird paths
421 * inside the state trackers.
423 if (format_desc
->block
.width
!= 1 ||
424 format_desc
->block
.height
!= 1)
428 int big
= format
/ 32;
429 int small
= format
% 32;
430 if (!(vscreen
->caps
.caps
.v1
.render
.bitmask
[big
] & (1 << small
)))
435 if (bind
& PIPE_BIND_DEPTH_STENCIL
) {
436 if (format_desc
->colorspace
!= UTIL_FORMAT_COLORSPACE_ZS
)
441 * All other operations (sampling, transfer, etc).
444 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_S3TC
) {
445 if (util_format_s3tc_enabled
)
449 if (format_desc
->layout
== UTIL_FORMAT_LAYOUT_RGTC
) {
453 if (format
== PIPE_FORMAT_R11G11B10_FLOAT
) {
455 } else if (format
== PIPE_FORMAT_R9G9B9E5_FLOAT
) {
459 /* Find the first non-VOID channel. */
460 for (i
= 0; i
< 4; i
++) {
461 if (format_desc
->channel
[i
].type
!= UTIL_FORMAT_TYPE_VOID
) {
470 if (format_desc
->nr_channels
< 4 && format_desc
->channel
[i
].size
== 4)
475 int big
= format
/ 32;
476 int small
= format
% 32;
477 if (!(vscreen
->caps
.caps
.v1
.sampler
.bitmask
[big
] & (1 << small
)))
481 * Everything else should be supported by u_format.
486 static void virgl_flush_frontbuffer(struct pipe_screen
*screen
,
487 struct pipe_resource
*res
,
488 unsigned level
, unsigned layer
,
489 void *winsys_drawable_handle
, struct pipe_box
*sub_box
)
491 struct virgl_screen
*vscreen
= virgl_screen(screen
);
492 struct virgl_winsys
*vws
= vscreen
->vws
;
493 struct virgl_resource
*vres
= virgl_resource(res
);
495 if (vws
->flush_frontbuffer
)
496 vws
->flush_frontbuffer(vws
, vres
->hw_res
, level
, layer
, winsys_drawable_handle
,
500 static void virgl_fence_reference(struct pipe_screen
*screen
,
501 struct pipe_fence_handle
**ptr
,
502 struct pipe_fence_handle
*fence
)
504 struct virgl_screen
*vscreen
= virgl_screen(screen
);
505 struct virgl_winsys
*vws
= vscreen
->vws
;
507 vws
->fence_reference(vws
, ptr
, fence
);
510 static boolean
virgl_fence_finish(struct pipe_screen
*screen
,
511 struct pipe_fence_handle
*fence
,
514 struct virgl_screen
*vscreen
= virgl_screen(screen
);
515 struct virgl_winsys
*vws
= vscreen
->vws
;
517 return vws
->fence_wait(vws
, fence
, timeout
);
521 virgl_get_timestamp(struct pipe_screen
*_screen
)
523 return os_time_get_nano();
527 virgl_destroy_screen(struct pipe_screen
*screen
)
529 struct virgl_screen
*vscreen
= virgl_screen(screen
);
530 struct virgl_winsys
*vws
= vscreen
->vws
;
538 virgl_create_screen(struct virgl_winsys
*vws
)
540 struct virgl_screen
*screen
= CALLOC_STRUCT(virgl_screen
);
546 screen
->base
.get_name
= virgl_get_name
;
547 screen
->base
.get_vendor
= virgl_get_vendor
;
548 screen
->base
.get_param
= virgl_get_param
;
549 screen
->base
.get_shader_param
= virgl_get_shader_param
;
550 screen
->base
.get_paramf
= virgl_get_paramf
;
551 screen
->base
.is_format_supported
= virgl_is_format_supported
;
552 screen
->base
.destroy
= virgl_destroy_screen
;
553 screen
->base
.context_create
= virgl_context_create
;
554 screen
->base
.flush_frontbuffer
= virgl_flush_frontbuffer
;
555 screen
->base
.get_timestamp
= virgl_get_timestamp
;
556 screen
->base
.fence_reference
= virgl_fence_reference
;
557 //screen->base.fence_signalled = virgl_fence_signalled;
558 screen
->base
.fence_finish
= virgl_fence_finish
;
560 virgl_init_screen_resource_functions(&screen
->base
);
562 vws
->get_caps(vws
, &screen
->caps
);
566 util_format_s3tc_init();
567 return &screen
->base
;