/* * Copyright 2014, 2015 Red Hat. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * on the rights to use, copy, modify, merge, publish, distribute, sub * license, and/or sell copies of the Software, and to permit persons to whom * the Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE * USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "util/u_memory.h" #include "util/u_format.h" #include "util/u_format_s3tc.h" #include "util/u_video.h" #include "util/os_time.h" #include "pipe/p_defines.h" #include "pipe/p_screen.h" #include "tgsi/tgsi_exec.h" #include "virgl_screen.h" #include "virgl_resource.h" #include "virgl_public.h" #include "virgl_context.h" #define SP_MAX_TEXTURE_2D_LEVELS 15 /* 16K x 16K */ #define SP_MAX_TEXTURE_3D_LEVELS 9 /* 512 x 512 x 512 */ #define SP_MAX_TEXTURE_CUBE_LEVELS 13 /* 4K x 4K */ static const char * virgl_get_vendor(struct pipe_screen *screen) { return "Red Hat"; } static const char * virgl_get_name(struct pipe_screen *screen) { return "virgl"; } static int virgl_get_param(struct pipe_screen *screen, enum pipe_cap param) { struct virgl_screen *vscreen = virgl_screen(screen); switch (param) { case PIPE_CAP_NPOT_TEXTURES: return 1; case PIPE_CAP_SM3: return 1; case PIPE_CAP_ANISOTROPIC_FILTER: return 1; case PIPE_CAP_POINT_SPRITE: return 1; case PIPE_CAP_MAX_RENDER_TARGETS: return vscreen->caps.caps.v1.max_render_targets; case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS: return vscreen->caps.caps.v1.max_dual_source_render_targets; case PIPE_CAP_OCCLUSION_QUERY: return vscreen->caps.caps.v1.bset.occlusion_query; case PIPE_CAP_TEXTURE_MIRROR_CLAMP: return vscreen->caps.caps.v1.bset.mirror_clamp; case PIPE_CAP_TEXTURE_SWIZZLE: return 1; case PIPE_CAP_MAX_TEXTURE_2D_LEVELS: return SP_MAX_TEXTURE_2D_LEVELS; case PIPE_CAP_MAX_TEXTURE_3D_LEVELS: return SP_MAX_TEXTURE_3D_LEVELS; case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS: return SP_MAX_TEXTURE_CUBE_LEVELS; case PIPE_CAP_BLEND_EQUATION_SEPARATE: return 1; case PIPE_CAP_INDEP_BLEND_ENABLE: return vscreen->caps.caps.v1.bset.indep_blend_enable; case PIPE_CAP_INDEP_BLEND_FUNC: return vscreen->caps.caps.v1.bset.indep_blend_func; case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT: case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT: case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER: case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER: return vscreen->caps.caps.v1.bset.fragment_coord_conventions; case PIPE_CAP_DEPTH_CLIP_DISABLE: return vscreen->caps.caps.v1.bset.depth_clip_disable; case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS: return vscreen->caps.caps.v1.max_streamout_buffers; case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS: case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS: return 16*4; case PIPE_CAP_PRIMITIVE_RESTART: return vscreen->caps.caps.v1.bset.primitive_restart; case PIPE_CAP_SHADER_STENCIL_EXPORT: return vscreen->caps.caps.v1.bset.shader_stencil_export; case PIPE_CAP_TGSI_INSTANCEID: case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR: return 1; case PIPE_CAP_SEAMLESS_CUBE_MAP: return vscreen->caps.caps.v1.bset.seamless_cube_map; case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE: return vscreen->caps.caps.v1.bset.seamless_cube_map_per_texture; case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS: return vscreen->caps.caps.v1.max_texture_array_layers; case PIPE_CAP_MIN_TEXEL_OFFSET: return vscreen->caps.caps.v2.min_texel_offset; case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET: return vscreen->caps.caps.v2.min_texture_gather_offset; case PIPE_CAP_MAX_TEXEL_OFFSET: return vscreen->caps.caps.v2.max_texel_offset; case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET: return vscreen->caps.caps.v2.max_texture_gather_offset; case PIPE_CAP_CONDITIONAL_RENDER: return vscreen->caps.caps.v1.bset.conditional_render; case PIPE_CAP_TEXTURE_BARRIER: return 0; case PIPE_CAP_VERTEX_COLOR_UNCLAMPED: return 1; case PIPE_CAP_FRAGMENT_COLOR_CLAMPED: case PIPE_CAP_VERTEX_COLOR_CLAMPED: return vscreen->caps.caps.v1.bset.color_clamping; case PIPE_CAP_MIXED_COLORBUFFER_FORMATS: return 1; case PIPE_CAP_GLSL_FEATURE_LEVEL: return vscreen->caps.caps.v1.glsl_level; case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION: return 0; case PIPE_CAP_COMPUTE: return 0; case PIPE_CAP_USER_VERTEX_BUFFERS: return 0; case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT: return vscreen->caps.caps.v2.uniform_buffer_offset_alignment; case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME: case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS: return vscreen->caps.caps.v1.bset.streamout_pause_resume; case PIPE_CAP_START_INSTANCE: return vscreen->caps.caps.v1.bset.start_instance; case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS: case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY: case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY: case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY: case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER: return 0; case PIPE_CAP_QUERY_TIMESTAMP: return 1; case PIPE_CAP_QUERY_TIME_ELAPSED: return 0; case PIPE_CAP_TGSI_TEXCOORD: return 0; case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT: return VIRGL_MAP_BUFFER_ALIGNMENT; case PIPE_CAP_TEXTURE_BUFFER_OBJECTS: return vscreen->caps.caps.v1.max_tbo_size > 0; case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT: return vscreen->caps.caps.v2.texture_buffer_offset_alignment; case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY: return 0; case PIPE_CAP_CUBE_MAP_ARRAY: return vscreen->caps.caps.v1.bset.cube_map_array; case PIPE_CAP_TEXTURE_MULTISAMPLE: return vscreen->caps.caps.v1.bset.texture_multisample; case PIPE_CAP_MAX_VIEWPORTS: return vscreen->caps.caps.v1.max_viewports; case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE: return vscreen->caps.caps.v1.max_tbo_size; case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK: case PIPE_CAP_QUERY_PIPELINE_STATISTICS: case PIPE_CAP_ENDIANNESS: return 0; case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES: case PIPE_CAP_MIXED_COLOR_DEPTH_BITS: return 1; case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT: return 0; case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES: return vscreen->caps.caps.v2.max_geom_output_vertices; case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS: return vscreen->caps.caps.v2.max_geom_total_output_components; case PIPE_CAP_TEXTURE_QUERY_LOD: return vscreen->caps.caps.v1.bset.texture_query_lod; case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS: return vscreen->caps.caps.v1.max_texture_gather_components; case PIPE_CAP_DRAW_INDIRECT: return vscreen->caps.caps.v1.bset.has_indirect_draw; case PIPE_CAP_SAMPLE_SHADING: case PIPE_CAP_FORCE_PERSAMPLE_INTERP: return vscreen->caps.caps.v1.bset.has_sample_shading; case PIPE_CAP_CULL_DISTANCE: return vscreen->caps.caps.v1.bset.has_cull; case PIPE_CAP_TEXTURE_GATHER_SM5: case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT: case PIPE_CAP_FAKE_SW_MSAA: case PIPE_CAP_TEXTURE_GATHER_OFFSETS: case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION: case PIPE_CAP_MAX_VERTEX_STREAMS: case PIPE_CAP_MULTI_DRAW_INDIRECT: case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS: case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE: case PIPE_CAP_CONDITIONAL_RENDER_INVERTED: case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE: case PIPE_CAP_SAMPLER_VIEW_TARGET: case PIPE_CAP_CLIP_HALFZ: case PIPE_CAP_VERTEXID_NOBASE: case PIPE_CAP_POLYGON_OFFSET_CLAMP: case PIPE_CAP_MULTISAMPLE_Z_RESOLVE: case PIPE_CAP_RESOURCE_FROM_USER_MEMORY: case PIPE_CAP_DEVICE_RESET_STATUS_QUERY: case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS: case PIPE_CAP_TEXTURE_FLOAT_LINEAR: case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR: case PIPE_CAP_DEPTH_BOUNDS_TEST: case PIPE_CAP_TGSI_TXQS: case PIPE_CAP_SHAREABLE_SHADERS: case PIPE_CAP_CLEAR_TEXTURE: case PIPE_CAP_DRAW_PARAMETERS: case PIPE_CAP_TGSI_PACK_HALF_FLOAT: case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL: case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL: case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT: case PIPE_CAP_INVALIDATE_BUFFER: case PIPE_CAP_GENERATE_MIPMAP: case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS: case PIPE_CAP_QUERY_BUFFER_OBJECT: case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS: case PIPE_CAP_STRING_MARKER: case PIPE_CAP_QUERY_MEMORY_INFO: case PIPE_CAP_PCI_GROUP: case PIPE_CAP_PCI_BUS: case PIPE_CAP_PCI_DEVICE: case PIPE_CAP_PCI_FUNCTION: case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT: case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR: case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES: case PIPE_CAP_TGSI_VOTE: case PIPE_CAP_MAX_WINDOW_RECTANGLES: case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED: case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS: case PIPE_CAP_TGSI_ARRAY_COMPONENTS: case PIPE_CAP_TGSI_CAN_READ_OUTPUTS: case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY: case PIPE_CAP_TGSI_FS_FBFETCH: case PIPE_CAP_TGSI_MUL_ZERO_WINS: case PIPE_CAP_INT64: case PIPE_CAP_INT64_DIVMOD: case PIPE_CAP_TGSI_TEX_TXF_LZ: case PIPE_CAP_TGSI_CLOCK: case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE: case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE: case PIPE_CAP_TGSI_BALLOT: case PIPE_CAP_DOUBLES: case PIPE_CAP_TGSI_TES_LAYER_VIEWPORT: case PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX: case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION: case PIPE_CAP_POST_DEPTH_COVERAGE: case PIPE_CAP_BINDLESS_TEXTURE: case PIPE_CAP_NIR_SAMPLERS_AS_DEREF: case PIPE_CAP_QUERY_SO_OVERFLOW: case PIPE_CAP_MEMOBJ: case PIPE_CAP_LOAD_CONSTBUF: case PIPE_CAP_TGSI_ANY_REG_AS_ADDRESS: case PIPE_CAP_TILE_RASTER_ORDER: case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES: case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET: case PIPE_CAP_CONTEXT_PRIORITY_MASK: case PIPE_CAP_FENCE_SIGNAL: case PIPE_CAP_CONSTBUF0_FLAGS: case PIPE_CAP_PACKED_UNIFORMS: case PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_TRIANGLES: case PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_POINTS_LINES: case PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_TRIANGLES: case PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_POINTS_LINES: case PIPE_CAP_CONSERVATIVE_RASTER_POST_DEPTH_COVERAGE: case PIPE_CAP_MAX_CONSERVATIVE_RASTER_SUBPIXEL_PRECISION_BIAS: return 0; case PIPE_CAP_VENDOR_ID: return 0x1af4; case PIPE_CAP_DEVICE_ID: return 0x1010; case PIPE_CAP_ACCELERATED: return 1; case PIPE_CAP_UMA: case PIPE_CAP_VIDEO_MEMORY: return 0; case PIPE_CAP_NATIVE_FENCE_FD: return 0; } /* should only get here on unhandled cases */ debug_printf("Unexpected PIPE_CAP %d query\n", param); return 0; } static int virgl_get_shader_param(struct pipe_screen *screen, enum pipe_shader_type shader, enum pipe_shader_cap param) { struct virgl_screen *vscreen = virgl_screen(screen); switch(shader) { case PIPE_SHADER_FRAGMENT: case PIPE_SHADER_VERTEX: case PIPE_SHADER_GEOMETRY: switch (param) { case PIPE_SHADER_CAP_MAX_INSTRUCTIONS: case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS: case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS: case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS: return INT_MAX; case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR: case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR: case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR: return 1; case PIPE_SHADER_CAP_MAX_INPUTS: if (vscreen->caps.caps.v1.glsl_level < 150) return vscreen->caps.caps.v2.max_vertex_attribs; return (shader == PIPE_SHADER_VERTEX || shader == PIPE_SHADER_GEOMETRY) ? vscreen->caps.caps.v2.max_vertex_attribs : 32; case PIPE_SHADER_CAP_MAX_OUTPUTS: if (shader == PIPE_SHADER_FRAGMENT) return vscreen->caps.caps.v1.max_render_targets; return vscreen->caps.caps.v2.max_vertex_outputs; // case PIPE_SHADER_CAP_MAX_CONSTS: // return 4096; case PIPE_SHADER_CAP_MAX_TEMPS: return 256; case PIPE_SHADER_CAP_MAX_CONST_BUFFERS: return vscreen->caps.caps.v1.max_uniform_blocks; // case PIPE_SHADER_CAP_MAX_ADDRS: // return 1; case PIPE_SHADER_CAP_SUBROUTINES: return 1; case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS: return 16; case PIPE_SHADER_CAP_INTEGERS: return vscreen->caps.caps.v1.glsl_level >= 130; case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH: return 32; case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE: return 4096 * sizeof(float[4]); case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD: case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS: case PIPE_SHADER_CAP_INT64_ATOMICS: case PIPE_SHADER_CAP_FP16: case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS: case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS: default: return 0; } default: return 0; } } static float virgl_get_paramf(struct pipe_screen *screen, enum pipe_capf param) { struct virgl_screen *vscreen = virgl_screen(screen); switch (param) { case PIPE_CAPF_MAX_LINE_WIDTH: return vscreen->caps.caps.v2.max_aliased_line_width; case PIPE_CAPF_MAX_LINE_WIDTH_AA: return vscreen->caps.caps.v2.max_smooth_line_width; case PIPE_CAPF_MAX_POINT_WIDTH: return vscreen->caps.caps.v2.max_aliased_point_size; case PIPE_CAPF_MAX_POINT_WIDTH_AA: return vscreen->caps.caps.v2.max_smooth_point_size; case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY: return 16.0; case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS: return vscreen->caps.caps.v2.max_texture_lod_bias; case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE: case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE: case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY: return 0.0f; } /* should only get here on unhandled cases */ debug_printf("Unexpected PIPE_CAPF %d query\n", param); return 0.0; } static boolean virgl_is_vertex_format_supported(struct pipe_screen *screen, enum pipe_format format) { struct virgl_screen *vscreen = virgl_screen(screen); const struct util_format_description *format_desc; int i; format_desc = util_format_description(format); if (!format_desc) return FALSE; if (format == PIPE_FORMAT_R11G11B10_FLOAT) { int vformat = VIRGL_FORMAT_R11G11B10_FLOAT; int big = vformat / 32; int small = vformat % 32; if (!(vscreen->caps.caps.v1.vertexbuffer.bitmask[big] & (1 << small))) return FALSE; return TRUE; } /* Find the first non-VOID channel. */ for (i = 0; i < 4; i++) { if (format_desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) { break; } } if (i == 4) return FALSE; if (format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN) return FALSE; if (format_desc->channel[i].type == UTIL_FORMAT_TYPE_FIXED) return FALSE; return TRUE; } /** * Query format support for creating a texture, drawing surface, etc. * \param format the format to test * \param type one of PIPE_TEXTURE, PIPE_SURFACE */ static boolean virgl_is_format_supported( struct pipe_screen *screen, enum pipe_format format, enum pipe_texture_target target, unsigned sample_count, unsigned bind) { struct virgl_screen *vscreen = virgl_screen(screen); const struct util_format_description *format_desc; int i; assert(target == PIPE_BUFFER || target == PIPE_TEXTURE_1D || target == PIPE_TEXTURE_1D_ARRAY || target == PIPE_TEXTURE_2D || target == PIPE_TEXTURE_2D_ARRAY || target == PIPE_TEXTURE_RECT || target == PIPE_TEXTURE_3D || target == PIPE_TEXTURE_CUBE || target == PIPE_TEXTURE_CUBE_ARRAY); format_desc = util_format_description(format); if (!format_desc) return FALSE; if (util_format_is_intensity(format)) return FALSE; if (sample_count > 1) { if (!vscreen->caps.caps.v1.bset.texture_multisample) return FALSE; if (sample_count > vscreen->caps.caps.v1.max_samples) return FALSE; } if (bind & PIPE_BIND_VERTEX_BUFFER) { return virgl_is_vertex_format_supported(screen, format); } if (bind & PIPE_BIND_RENDER_TARGET) { if (format_desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS) return FALSE; /* * Although possible, it is unnatural to render into compressed or YUV * surfaces. So disable these here to avoid going into weird paths * inside the state trackers. */ if (format_desc->block.width != 1 || format_desc->block.height != 1) return FALSE; { int big = format / 32; int small = format % 32; if (!(vscreen->caps.caps.v1.render.bitmask[big] & (1 << small))) return FALSE; } } if (bind & PIPE_BIND_DEPTH_STENCIL) { if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS) return FALSE; } /* * All other operations (sampling, transfer, etc). */ if (format_desc->layout == UTIL_FORMAT_LAYOUT_S3TC) { goto out_lookup; } if (format_desc->layout == UTIL_FORMAT_LAYOUT_RGTC) { goto out_lookup; } if (format_desc->layout == UTIL_FORMAT_LAYOUT_BPTC) { goto out_lookup; } if (format == PIPE_FORMAT_R11G11B10_FLOAT) { goto out_lookup; } else if (format == PIPE_FORMAT_R9G9B9E5_FLOAT) { goto out_lookup; } /* Find the first non-VOID channel. */ for (i = 0; i < 4; i++) { if (format_desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) { break; } } if (i == 4) return FALSE; /* no L4A4 */ if (format_desc->nr_channels < 4 && format_desc->channel[i].size == 4) return FALSE; out_lookup: { int big = format / 32; int small = format % 32; if (!(vscreen->caps.caps.v1.sampler.bitmask[big] & (1 << small))) return FALSE; } /* * Everything else should be supported by u_format. */ return TRUE; } static void virgl_flush_frontbuffer(struct pipe_screen *screen, struct pipe_resource *res, unsigned level, unsigned layer, void *winsys_drawable_handle, struct pipe_box *sub_box) { struct virgl_screen *vscreen = virgl_screen(screen); struct virgl_winsys *vws = vscreen->vws; struct virgl_resource *vres = virgl_resource(res); if (vws->flush_frontbuffer) vws->flush_frontbuffer(vws, vres->hw_res, level, layer, winsys_drawable_handle, sub_box); } static void virgl_fence_reference(struct pipe_screen *screen, struct pipe_fence_handle **ptr, struct pipe_fence_handle *fence) { struct virgl_screen *vscreen = virgl_screen(screen); struct virgl_winsys *vws = vscreen->vws; vws->fence_reference(vws, ptr, fence); } static boolean virgl_fence_finish(struct pipe_screen *screen, struct pipe_context *ctx, struct pipe_fence_handle *fence, uint64_t timeout) { struct virgl_screen *vscreen = virgl_screen(screen); struct virgl_winsys *vws = vscreen->vws; return vws->fence_wait(vws, fence, timeout); } static uint64_t virgl_get_timestamp(struct pipe_screen *_screen) { return os_time_get_nano(); } static void virgl_destroy_screen(struct pipe_screen *screen) { struct virgl_screen *vscreen = virgl_screen(screen); struct virgl_winsys *vws = vscreen->vws; slab_destroy_parent(&vscreen->texture_transfer_pool); if (vws) vws->destroy(vws); FREE(vscreen); } struct pipe_screen * virgl_create_screen(struct virgl_winsys *vws) { struct virgl_screen *screen = CALLOC_STRUCT(virgl_screen); if (!screen) return NULL; screen->vws = vws; screen->base.get_name = virgl_get_name; screen->base.get_vendor = virgl_get_vendor; screen->base.get_param = virgl_get_param; screen->base.get_shader_param = virgl_get_shader_param; screen->base.get_paramf = virgl_get_paramf; screen->base.is_format_supported = virgl_is_format_supported; screen->base.destroy = virgl_destroy_screen; screen->base.context_create = virgl_context_create; screen->base.flush_frontbuffer = virgl_flush_frontbuffer; screen->base.get_timestamp = virgl_get_timestamp; screen->base.fence_reference = virgl_fence_reference; //screen->base.fence_signalled = virgl_fence_signalled; screen->base.fence_finish = virgl_fence_finish; virgl_init_screen_resource_functions(&screen->base); vws->get_caps(vws, &screen->caps); screen->refcnt = 1; slab_create_parent(&screen->texture_transfer_pool, sizeof(struct virgl_transfer), 16); return &screen->base; }