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:
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:
245 case PIPE_CAP_VENDOR_ID:
247 case PIPE_CAP_DEVICE_ID:
249 case PIPE_CAP_ACCELERATED:
252 case PIPE_CAP_VIDEO_MEMORY:
255 /* should only get here on unhandled cases */
256 debug_printf("Unexpected PIPE_CAP %d query\n", param);
261 virgl_get_shader_param(struct pipe_screen *screen, unsigned shader, enum pipe_shader_cap param)
263 struct virgl_screen *vscreen = virgl_screen(screen);
266 case PIPE_SHADER_FRAGMENT:
267 case PIPE_SHADER_VERTEX:
268 case PIPE_SHADER_GEOMETRY:
270 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
271 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
272 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
273 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
275 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
276 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
277 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
279 case PIPE_SHADER_CAP_MAX_INPUTS:
280 if (vscreen->caps.caps.v1.glsl_level < 150)
282 return shader == PIPE_SHADER_VERTEX ? 16 : 32;
283 case PIPE_SHADER_CAP_MAX_OUTPUTS:
285 // case PIPE_SHADER_CAP_MAX_CONSTS:
287 case PIPE_SHADER_CAP_MAX_TEMPS:
289 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
290 return vscreen->caps.caps.v1.max_uniform_blocks;
291 // case PIPE_SHADER_CAP_MAX_ADDRS:
293 case PIPE_SHADER_CAP_MAX_PREDS:
295 case PIPE_SHADER_CAP_SUBROUTINES:
297 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
299 case PIPE_SHADER_CAP_INTEGERS:
300 return vscreen->caps.caps.v1.glsl_level >= 130;
301 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
303 case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
304 return 4096 * sizeof(float[4]);
314 virgl_get_paramf(struct pipe_screen *screen, enum pipe_capf param)
317 case PIPE_CAPF_MAX_LINE_WIDTH:
319 case PIPE_CAPF_MAX_LINE_WIDTH_AA:
320 return 255.0; /* arbitrary */
321 case PIPE_CAPF_MAX_POINT_WIDTH:
323 case PIPE_CAPF_MAX_POINT_WIDTH_AA:
324 return 255.0; /* arbitrary */
325 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
327 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
328 return 16.0; /* arbitrary */
329 case PIPE_CAPF_GUARD_BAND_LEFT:
330 case PIPE_CAPF_GUARD_BAND_TOP:
331 case PIPE_CAPF_GUARD_BAND_RIGHT:
332 case PIPE_CAPF_GUARD_BAND_BOTTOM:
335 /* should only get here on unhandled cases */
336 debug_printf("Unexpected PIPE_CAPF %d query\n", param);
341 virgl_is_vertex_format_supported(struct pipe_screen *screen,
342 enum pipe_format format)
344 struct virgl_screen *vscreen = virgl_screen(screen);
345 const struct util_format_description *format_desc;
348 format_desc = util_format_description(format);
352 if (format == PIPE_FORMAT_R11G11B10_FLOAT) {
353 int vformat = VIRGL_FORMAT_R11G11B10_FLOAT;
354 int big = vformat / 32;
355 int small = vformat % 32;
356 if (!(vscreen->caps.caps.v1.vertexbuffer.bitmask[big] & (1 << small)))
361 /* Find the first non-VOID channel. */
362 for (i = 0; i < 4; i++) {
363 if (format_desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
371 if (format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN)
374 if (format_desc->channel[i].type == UTIL_FORMAT_TYPE_FIXED)
380 * Query format support for creating a texture, drawing surface, etc.
381 * \param format the format to test
382 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
385 virgl_is_format_supported( struct pipe_screen *screen,
386 enum pipe_format format,
387 enum pipe_texture_target target,
388 unsigned sample_count,
391 struct virgl_screen *vscreen = virgl_screen(screen);
392 const struct util_format_description *format_desc;
395 assert(target == PIPE_BUFFER ||
396 target == PIPE_TEXTURE_1D ||
397 target == PIPE_TEXTURE_1D_ARRAY ||
398 target == PIPE_TEXTURE_2D ||
399 target == PIPE_TEXTURE_2D_ARRAY ||
400 target == PIPE_TEXTURE_RECT ||
401 target == PIPE_TEXTURE_3D ||
402 target == PIPE_TEXTURE_CUBE ||
403 target == PIPE_TEXTURE_CUBE_ARRAY);
405 format_desc = util_format_description(format);
409 if (util_format_is_intensity(format))
412 if (sample_count > 1) {
413 if (!vscreen->caps.caps.v1.bset.texture_multisample)
415 if (sample_count > vscreen->caps.caps.v1.max_samples)
419 if (bind & PIPE_BIND_VERTEX_BUFFER) {
420 return virgl_is_vertex_format_supported(screen, format);
423 if (bind & PIPE_BIND_RENDER_TARGET) {
424 if (format_desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS)
428 * Although possible, it is unnatural to render into compressed or YUV
429 * surfaces. So disable these here to avoid going into weird paths
430 * inside the state trackers.
432 if (format_desc->block.width != 1 ||
433 format_desc->block.height != 1)
437 int big = format / 32;
438 int small = format % 32;
439 if (!(vscreen->caps.caps.v1.render.bitmask[big] & (1 << small)))
444 if (bind & PIPE_BIND_DEPTH_STENCIL) {
445 if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS)
450 * All other operations (sampling, transfer, etc).
453 if (format_desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
454 if (util_format_s3tc_enabled)
458 if (format_desc->layout == UTIL_FORMAT_LAYOUT_RGTC) {
462 if (format == PIPE_FORMAT_R11G11B10_FLOAT) {
464 } else if (format == PIPE_FORMAT_R9G9B9E5_FLOAT) {
468 /* Find the first non-VOID channel. */
469 for (i = 0; i < 4; i++) {
470 if (format_desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
479 if (format_desc->nr_channels < 4 && format_desc->channel[i].size == 4)
484 int big = format / 32;
485 int small = format % 32;
486 if (!(vscreen->caps.caps.v1.sampler.bitmask[big] & (1 << small)))
490 * Everything else should be supported by u_format.
495 static void virgl_flush_frontbuffer(struct pipe_screen *screen,
496 struct pipe_resource *res,
497 unsigned level, unsigned layer,
498 void *winsys_drawable_handle, struct pipe_box *sub_box)
500 struct virgl_screen *vscreen = virgl_screen(screen);
501 struct virgl_winsys *vws = vscreen->vws;
502 struct virgl_resource *vres = virgl_resource(res);
504 if (vws->flush_frontbuffer)
505 vws->flush_frontbuffer(vws, vres->hw_res, level, layer, winsys_drawable_handle,
509 static void virgl_fence_reference(struct pipe_screen *screen,
510 struct pipe_fence_handle **ptr,
511 struct pipe_fence_handle *fence)
513 struct virgl_screen *vscreen = virgl_screen(screen);
514 struct virgl_winsys *vws = vscreen->vws;
516 vws->fence_reference(vws, ptr, fence);
519 static boolean virgl_fence_finish(struct pipe_screen *screen,
520 struct pipe_fence_handle *fence,
523 struct virgl_screen *vscreen = virgl_screen(screen);
524 struct virgl_winsys *vws = vscreen->vws;
526 return vws->fence_wait(vws, fence, timeout);
530 virgl_get_timestamp(struct pipe_screen *_screen)
532 return os_time_get_nano();
536 virgl_destroy_screen(struct pipe_screen *screen)
538 struct virgl_screen *vscreen = virgl_screen(screen);
539 struct virgl_winsys *vws = vscreen->vws;
547 virgl_create_screen(struct virgl_winsys *vws)
549 struct virgl_screen *screen = CALLOC_STRUCT(virgl_screen);
555 screen->base.get_name = virgl_get_name;
556 screen->base.get_vendor = virgl_get_vendor;
557 screen->base.get_param = virgl_get_param;
558 screen->base.get_shader_param = virgl_get_shader_param;
559 screen->base.get_paramf = virgl_get_paramf;
560 screen->base.is_format_supported = virgl_is_format_supported;
561 screen->base.destroy = virgl_destroy_screen;
562 screen->base.context_create = virgl_context_create;
563 screen->base.flush_frontbuffer = virgl_flush_frontbuffer;
564 screen->base.get_timestamp = virgl_get_timestamp;
565 screen->base.fence_reference = virgl_fence_reference;
566 //screen->base.fence_signalled = virgl_fence_signalled;
567 screen->base.fence_finish = virgl_fence_finish;
569 virgl_init_screen_resource_functions(&screen->base);
571 vws->get_caps(vws, &screen->caps);
575 util_format_s3tc_init();
576 return &screen->base;