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_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:
186 case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
188 case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
190 case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
192 case PIPE_CAP_TEXTURE_QUERY_LOD:
193 return vscreen->caps.caps.v1.bset.texture_query_lod;
194 case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
195 return vscreen->caps.caps.v1.max_texture_gather_components;
196 case PIPE_CAP_TEXTURE_GATHER_SM5:
197 case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
198 case PIPE_CAP_SAMPLE_SHADING:
199 case PIPE_CAP_FAKE_SW_MSAA:
200 case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
201 case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
202 case PIPE_CAP_MAX_VERTEX_STREAMS:
203 case PIPE_CAP_DRAW_INDIRECT:
204 case PIPE_CAP_MULTI_DRAW_INDIRECT:
205 case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS:
206 case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
207 case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
208 case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
209 case PIPE_CAP_SAMPLER_VIEW_TARGET:
210 case PIPE_CAP_CLIP_HALFZ:
211 case PIPE_CAP_VERTEXID_NOBASE:
212 case PIPE_CAP_POLYGON_OFFSET_CLAMP:
213 case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
214 case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
215 case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
216 case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
217 case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
218 case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
219 case PIPE_CAP_DEPTH_BOUNDS_TEST:
220 case PIPE_CAP_TGSI_TXQS:
221 case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
222 case PIPE_CAP_SHAREABLE_SHADERS:
223 case PIPE_CAP_CLEAR_TEXTURE:
224 case PIPE_CAP_DRAW_PARAMETERS:
225 case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
226 case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL:
227 case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
228 case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
229 case PIPE_CAP_INVALIDATE_BUFFER:
230 case PIPE_CAP_GENERATE_MIPMAP:
232 case PIPE_CAP_VENDOR_ID:
234 case PIPE_CAP_DEVICE_ID:
236 case PIPE_CAP_ACCELERATED:
239 case PIPE_CAP_VIDEO_MEMORY:
242 /* should only get here on unhandled cases */
243 debug_printf("Unexpected PIPE_CAP %d query\n", param);
248 virgl_get_shader_param(struct pipe_screen *screen, unsigned shader, enum pipe_shader_cap param)
250 struct virgl_screen *vscreen = virgl_screen(screen);
253 case PIPE_SHADER_FRAGMENT:
254 case PIPE_SHADER_VERTEX:
255 case PIPE_SHADER_GEOMETRY:
257 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
258 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
259 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
260 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
262 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
263 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
264 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
266 case PIPE_SHADER_CAP_MAX_INPUTS:
267 if (vscreen->caps.caps.v1.glsl_level < 150)
269 return shader == PIPE_SHADER_VERTEX ? 16 : 32;
270 case PIPE_SHADER_CAP_MAX_OUTPUTS:
272 // case PIPE_SHADER_CAP_MAX_CONSTS:
274 case PIPE_SHADER_CAP_MAX_TEMPS:
276 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
277 return vscreen->caps.caps.v1.max_uniform_blocks;
278 // case PIPE_SHADER_CAP_MAX_ADDRS:
280 case PIPE_SHADER_CAP_MAX_PREDS:
282 case PIPE_SHADER_CAP_SUBROUTINES:
284 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
286 case PIPE_SHADER_CAP_INTEGERS:
287 return vscreen->caps.caps.v1.glsl_level >= 130;
288 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
290 case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
291 return 4096 * sizeof(float[4]);
301 virgl_get_paramf(struct pipe_screen *screen, enum pipe_capf param)
304 case PIPE_CAPF_MAX_LINE_WIDTH:
306 case PIPE_CAPF_MAX_LINE_WIDTH_AA:
307 return 255.0; /* arbitrary */
308 case PIPE_CAPF_MAX_POINT_WIDTH:
310 case PIPE_CAPF_MAX_POINT_WIDTH_AA:
311 return 255.0; /* arbitrary */
312 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
314 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
315 return 16.0; /* arbitrary */
316 case PIPE_CAPF_GUARD_BAND_LEFT:
317 case PIPE_CAPF_GUARD_BAND_TOP:
318 case PIPE_CAPF_GUARD_BAND_RIGHT:
319 case PIPE_CAPF_GUARD_BAND_BOTTOM:
322 /* should only get here on unhandled cases */
323 debug_printf("Unexpected PIPE_CAPF %d query\n", param);
328 virgl_is_vertex_format_supported(struct pipe_screen *screen,
329 enum pipe_format format)
331 struct virgl_screen *vscreen = virgl_screen(screen);
332 const struct util_format_description *format_desc;
335 format_desc = util_format_description(format);
339 if (format == PIPE_FORMAT_R11G11B10_FLOAT) {
340 int vformat = VIRGL_FORMAT_R11G11B10_FLOAT;
341 int big = vformat / 32;
342 int small = vformat % 32;
343 if (!(vscreen->caps.caps.v1.vertexbuffer.bitmask[big] & (1 << small)))
348 /* Find the first non-VOID channel. */
349 for (i = 0; i < 4; i++) {
350 if (format_desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
358 if (format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN)
361 if (format_desc->channel[i].type == UTIL_FORMAT_TYPE_FIXED)
367 * Query format support for creating a texture, drawing surface, etc.
368 * \param format the format to test
369 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
372 virgl_is_format_supported( struct pipe_screen *screen,
373 enum pipe_format format,
374 enum pipe_texture_target target,
375 unsigned sample_count,
378 struct virgl_screen *vscreen = virgl_screen(screen);
379 const struct util_format_description *format_desc;
382 assert(target == PIPE_BUFFER ||
383 target == PIPE_TEXTURE_1D ||
384 target == PIPE_TEXTURE_1D_ARRAY ||
385 target == PIPE_TEXTURE_2D ||
386 target == PIPE_TEXTURE_2D_ARRAY ||
387 target == PIPE_TEXTURE_RECT ||
388 target == PIPE_TEXTURE_3D ||
389 target == PIPE_TEXTURE_CUBE ||
390 target == PIPE_TEXTURE_CUBE_ARRAY);
392 format_desc = util_format_description(format);
396 if (util_format_is_intensity(format))
399 if (sample_count > 1) {
400 if (!vscreen->caps.caps.v1.bset.texture_multisample)
402 if (sample_count > vscreen->caps.caps.v1.max_samples)
406 if (bind & PIPE_BIND_VERTEX_BUFFER) {
407 return virgl_is_vertex_format_supported(screen, format);
410 if (bind & PIPE_BIND_RENDER_TARGET) {
411 if (format_desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS)
415 * Although possible, it is unnatural to render into compressed or YUV
416 * surfaces. So disable these here to avoid going into weird paths
417 * inside the state trackers.
419 if (format_desc->block.width != 1 ||
420 format_desc->block.height != 1)
424 int big = format / 32;
425 int small = format % 32;
426 if (!(vscreen->caps.caps.v1.render.bitmask[big] & (1 << small)))
431 if (bind & PIPE_BIND_DEPTH_STENCIL) {
432 if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS)
437 * All other operations (sampling, transfer, etc).
440 if (format_desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
441 if (util_format_s3tc_enabled)
445 if (format_desc->layout == UTIL_FORMAT_LAYOUT_RGTC) {
449 if (format == PIPE_FORMAT_R11G11B10_FLOAT) {
451 } else if (format == PIPE_FORMAT_R9G9B9E5_FLOAT) {
455 /* Find the first non-VOID channel. */
456 for (i = 0; i < 4; i++) {
457 if (format_desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
466 if (format_desc->nr_channels < 4 && format_desc->channel[i].size == 4)
471 int big = format / 32;
472 int small = format % 32;
473 if (!(vscreen->caps.caps.v1.sampler.bitmask[big] & (1 << small)))
477 * Everything else should be supported by u_format.
482 static void virgl_flush_frontbuffer(struct pipe_screen *screen,
483 struct pipe_resource *res,
484 unsigned level, unsigned layer,
485 void *winsys_drawable_handle, struct pipe_box *sub_box)
487 struct virgl_screen *vscreen = virgl_screen(screen);
488 struct virgl_winsys *vws = vscreen->vws;
489 struct virgl_resource *vres = virgl_resource(res);
491 if (vws->flush_frontbuffer)
492 vws->flush_frontbuffer(vws, vres->hw_res, level, layer, winsys_drawable_handle,
496 static void virgl_fence_reference(struct pipe_screen *screen,
497 struct pipe_fence_handle **ptr,
498 struct pipe_fence_handle *fence)
500 struct virgl_screen *vscreen = virgl_screen(screen);
501 struct virgl_winsys *vws = vscreen->vws;
503 vws->fence_reference(vws, ptr, fence);
506 static boolean virgl_fence_finish(struct pipe_screen *screen,
507 struct pipe_fence_handle *fence,
510 struct virgl_screen *vscreen = virgl_screen(screen);
511 struct virgl_winsys *vws = vscreen->vws;
513 return vws->fence_wait(vws, fence, timeout);
517 virgl_get_timestamp(struct pipe_screen *_screen)
519 return os_time_get_nano();
523 virgl_destroy_screen(struct pipe_screen *screen)
525 struct virgl_screen *vscreen = virgl_screen(screen);
526 struct virgl_winsys *vws = vscreen->vws;
534 virgl_create_screen(struct virgl_winsys *vws)
536 struct virgl_screen *screen = CALLOC_STRUCT(virgl_screen);
542 screen->base.get_name = virgl_get_name;
543 screen->base.get_vendor = virgl_get_vendor;
544 screen->base.get_param = virgl_get_param;
545 screen->base.get_shader_param = virgl_get_shader_param;
546 screen->base.get_paramf = virgl_get_paramf;
547 screen->base.is_format_supported = virgl_is_format_supported;
548 screen->base.destroy = virgl_destroy_screen;
549 screen->base.context_create = virgl_context_create;
550 screen->base.flush_frontbuffer = virgl_flush_frontbuffer;
551 screen->base.get_timestamp = virgl_get_timestamp;
552 screen->base.fence_reference = virgl_fence_reference;
553 //screen->base.fence_signalled = virgl_fence_signalled;
554 screen->base.fence_finish = virgl_fence_finish;
556 virgl_init_screen_resource_functions(&screen->base);
558 vws->get_caps(vws, &screen->caps);
561 util_format_s3tc_init();
562 return &screen->base;