/* * 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/format/u_format.h" #include "util/format/u_format_s3tc.h" #include "util/u_screen.h" #include "util/u_video.h" #include "util/u_math.h" #include "util/os_time.h" #include "util/xmlconfig.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" #include "virtio-gpu/virgl_protocol.h" int virgl_debug = 0; static const struct debug_named_value debug_options[] = { { "verbose", VIRGL_DEBUG_VERBOSE, NULL }, { "tgsi", VIRGL_DEBUG_TGSI, NULL }, { "noemubgra", VIRGL_DEBUG_NO_EMULATE_BGRA, "Disable tweak to emulate BGRA as RGBA on GLES hosts"}, { "nobgraswz", VIRGL_DEBUG_NO_BGRA_DEST_SWIZZLE,"Disable tweak to swizzle emulated BGRA on GLES hosts" }, { "sync", VIRGL_DEBUG_SYNC, "Sync after every flush" }, { "xfer", VIRGL_DEBUG_XFER, "Do not optimize for transfers" }, DEBUG_NAMED_VALUE_END }; DEBUG_GET_ONCE_FLAGS_OPTION(virgl_debug, "VIRGL_DEBUG", debug_options, 0) static const char * virgl_get_vendor(struct pipe_screen *screen) { return "Mesa/X.org"; } 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_FRAGMENT_SHADER_TEXTURE_LOD: case PIPE_CAP_FRAGMENT_SHADER_DERIVATIVES: case PIPE_CAP_VERTEX_SHADER_SATURATE: 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: case PIPE_CAP_TEXTURE_MIRROR_CLAMP_TO_EDGE: return vscreen->caps.caps.v1.bset.mirror_clamp; case PIPE_CAP_TEXTURE_SWIZZLE: return 1; case PIPE_CAP_MAX_TEXTURE_2D_SIZE: if (vscreen->caps.caps.v2.max_texture_2d_size) return vscreen->caps.caps.v2.max_texture_2d_size; return 16384; case PIPE_CAP_MAX_TEXTURE_3D_LEVELS: if (vscreen->caps.caps.v2.max_texture_3d_size) return 1 + util_logbase2(vscreen->caps.caps.v2.max_texture_3d_size); return 9; /* 256 x 256 x 256 */ case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS: if (vscreen->caps.caps.v2.max_texture_cube_size) return 1 + util_logbase2(vscreen->caps.caps.v2.max_texture_cube_size); return 13; /* 4K x 4K */ 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_PIXEL_CENTER_HALF_INTEGER: case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER: return 1; case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT: return vscreen->caps.caps.v1.bset.fragment_coord_conventions; case PIPE_CAP_DEPTH_CLIP_DISABLE: if (vscreen->caps.caps.v1.bset.depth_clip_disable) return 1; if (vscreen->caps.caps.v2.host_feature_check_version >= 3) return 2; return 0; 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: case PIPE_CAP_PRIMITIVE_RESTART_FIXED_INDEX: 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 vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_TEXTURE_BARRIER; 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 (vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_FBO_MIXED_COLOR_FORMATS) || (vscreen->caps.caps.v2.host_feature_check_version < 1); case PIPE_CAP_GLSL_FEATURE_LEVEL: return vscreen->caps.caps.v1.glsl_level; case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY: return MIN2(vscreen->caps.caps.v1.glsl_level, 140); case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION: case PIPE_CAP_DEPTH_CLIP_DISABLE_SEPARATE: return 0; case PIPE_CAP_COMPUTE: return vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_COMPUTE_SHADER; 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 1; 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_MAX_VERTEX_STREAMS: return ((vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_TRANSFORM_FEEDBACK3) || (vscreen->caps.caps.v2.host_feature_check_version < 2)) ? 4 : 1; case PIPE_CAP_CONDITIONAL_RENDER_INVERTED: return vscreen->caps.caps.v1.bset.conditional_render_inverted; case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE: return vscreen->caps.caps.v1.bset.derivative_control; case PIPE_CAP_POLYGON_OFFSET_CLAMP: return vscreen->caps.caps.v1.bset.polygon_offset_clamp; case PIPE_CAP_QUERY_SO_OVERFLOW: return vscreen->caps.caps.v1.bset.transform_feedback_overflow_query; case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT: return vscreen->caps.caps.v2.shader_buffer_offset_alignment; case PIPE_CAP_DOUBLES: return vscreen->caps.caps.v1.bset.has_fp64 || (vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_FAKE_FP64); case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS: return vscreen->caps.caps.v2.max_shader_patch_varyings; case PIPE_CAP_SAMPLER_VIEW_TARGET: return vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_TEXTURE_VIEW; case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE: return vscreen->caps.caps.v2.max_vertex_attrib_stride; case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS: return vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_COPY_IMAGE; case PIPE_CAP_TGSI_TXQS: return vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_TXQS; case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT: return vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_FB_NO_ATTACH; case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR: return vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_ROBUST_BUFFER_ACCESS; case PIPE_CAP_FBFETCH: return (vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_TGSI_FBFETCH) ? 1 : 0; case PIPE_CAP_BLEND_EQUATION_ADVANCED: return vscreen->caps.caps.v2.capability_bits_v2 & VIRGL_CAP_V2_BLEND_EQUATION; case PIPE_CAP_TGSI_CLOCK: return vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_SHADER_CLOCK; case PIPE_CAP_TGSI_ARRAY_COMPONENTS: return vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_TGSI_COMPONENTS; case PIPE_CAP_MAX_COMBINED_SHADER_BUFFERS: return vscreen->caps.caps.v2.max_combined_shader_buffers; case PIPE_CAP_MAX_COMBINED_HW_ATOMIC_COUNTERS: return vscreen->caps.caps.v2.max_combined_atomic_counters; case PIPE_CAP_MAX_COMBINED_HW_ATOMIC_COUNTER_BUFFERS: return vscreen->caps.caps.v2.max_combined_atomic_counter_buffers; case PIPE_CAP_TEXTURE_FLOAT_LINEAR: case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR: return 1; /* TODO: need to introduce a hw-cap for this */ case PIPE_CAP_QUERY_BUFFER_OBJECT: return vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_QBO; case PIPE_CAP_MAX_VARYINGS: if (vscreen->caps.caps.v1.glsl_level < 150) return vscreen->caps.caps.v2.max_vertex_attribs; return 32; case PIPE_CAP_FAKE_SW_MSAA: /* If the host supports only one sample (e.g., if it is using softpipe), * fake multisampling to able to advertise higher GL versions. */ return (vscreen->caps.caps.v1.max_samples == 1) ? 1 : 0; case PIPE_CAP_MULTI_DRAW_INDIRECT: return !!(vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_MULTI_DRAW_INDIRECT); case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS: return !!(vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_INDIRECT_PARAMS); case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT: return (vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_ARB_BUFFER_STORAGE) && (vscreen->caps.caps.v2.host_feature_check_version >= 4) && vscreen->vws->supports_coherent; case PIPE_CAP_PCI_GROUP: case PIPE_CAP_PCI_BUS: case PIPE_CAP_PCI_DEVICE: case PIPE_CAP_PCI_FUNCTION: case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY: case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION: return 0; case PIPE_CAP_CLEAR_TEXTURE: return vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_CLEAR_TEXTURE; case PIPE_CAP_CLIP_HALFZ: return vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_CLIP_HALFZ; case PIPE_CAP_MAX_GS_INVOCATIONS: return 32; case PIPE_CAP_MAX_SHADER_BUFFER_SIZE: return 1 << 27; 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 vscreen->vws->supports_fences; case PIPE_CAP_DEST_SURFACE_SRGB_CONTROL: return (vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_SRGB_WRITE_CONTROL) || (vscreen->caps.caps.v2.host_feature_check_version < 1); case PIPE_CAP_TGSI_SKIP_SHRINK_IO_ARRAYS: return vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_INDIRECT_INPUT_ADDR; default: return u_pipe_screen_get_param_defaults(screen, param); } } 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); if ((shader == PIPE_SHADER_TESS_CTRL || shader == PIPE_SHADER_TESS_EVAL) && !vscreen->caps.caps.v1.bset.has_tessellation_shaders) return 0; if (shader == PIPE_SHADER_COMPUTE && !(vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_COMPUTE_SHADER)) return 0; switch(shader) { case PIPE_SHADER_FRAGMENT: case PIPE_SHADER_VERTEX: case PIPE_SHADER_GEOMETRY: case PIPE_SHADER_TESS_CTRL: case PIPE_SHADER_TESS_EVAL: case PIPE_SHADER_COMPUTE: 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_TGSI_ANY_INOUT_DECL_RANGE: case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR: return vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_INDIRECT_INPUT_ADDR; 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_MAX_SHADER_BUFFERS: if (shader == PIPE_SHADER_FRAGMENT || shader == PIPE_SHADER_COMPUTE) return vscreen->caps.caps.v2.max_shader_buffer_frag_compute; else return vscreen->caps.caps.v2.max_shader_buffer_other_stages; case PIPE_SHADER_CAP_MAX_SHADER_IMAGES: if (shader == PIPE_SHADER_FRAGMENT || shader == PIPE_SHADER_COMPUTE) return vscreen->caps.caps.v2.max_shader_image_frag_compute; else return vscreen->caps.caps.v2.max_shader_image_other_stages; case PIPE_SHADER_CAP_SUPPORTED_IRS: return (1 << PIPE_SHADER_IR_TGSI); case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS: return vscreen->caps.caps.v2.max_atomic_counters[shader]; case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS: return vscreen->caps.caps.v2.max_atomic_counter_buffers[shader]; 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_FP16_DERIVATIVES: case PIPE_SHADER_CAP_INT16: case PIPE_SHADER_CAP_GLSL_16BIT_CONSTS: return 0; 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 int virgl_get_compute_param(struct pipe_screen *screen, enum pipe_shader_ir ir_type, enum pipe_compute_cap param, void *ret) { struct virgl_screen *vscreen = virgl_screen(screen); if (!(vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_COMPUTE_SHADER)) return 0; switch (param) { case PIPE_COMPUTE_CAP_MAX_GRID_SIZE: if (ret) { uint64_t *grid_size = ret; grid_size[0] = vscreen->caps.caps.v2.max_compute_grid_size[0]; grid_size[1] = vscreen->caps.caps.v2.max_compute_grid_size[1]; grid_size[2] = vscreen->caps.caps.v2.max_compute_grid_size[2]; } return 3 * sizeof(uint64_t) ; case PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE: if (ret) { uint64_t *block_size = ret; block_size[0] = vscreen->caps.caps.v2.max_compute_block_size[0]; block_size[1] = vscreen->caps.caps.v2.max_compute_block_size[1]; block_size[2] = vscreen->caps.caps.v2.max_compute_block_size[2]; } return 3 * sizeof(uint64_t); case PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK: if (ret) { uint64_t *max_threads_per_block = ret; *max_threads_per_block = vscreen->caps.caps.v2.max_compute_work_group_invocations; } return sizeof(uint64_t); case PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE: if (ret) { uint64_t *max_local_size = ret; /* Value reported by the closed source driver. */ *max_local_size = vscreen->caps.caps.v2.max_compute_shared_memory_size; } return sizeof(uint64_t); default: break; } return 0; } static bool has_format_bit(struct virgl_supported_format_mask *mask, enum virgl_formats fmt) { assert(fmt < VIRGL_FORMAT_MAX); unsigned val = (unsigned)fmt; unsigned idx = val / 32; unsigned bit = val % 32; assert(idx < ARRAY_SIZE(mask->bitmask)); return (mask->bitmask[idx] & (1u << bit)) != 0; } bool virgl_has_readback_format(struct pipe_screen *screen, enum virgl_formats fmt) { struct virgl_screen *vscreen = virgl_screen(screen); return has_format_bit(&vscreen->caps.caps.v2.supported_readback_formats, fmt); } static bool 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; } static bool virgl_format_check_bitmask(enum pipe_format format, uint32_t bitmask[16], bool may_emulate_bgra) { enum virgl_formats vformat = pipe_to_virgl_format(format); int big = vformat / 32; int small = vformat % 32; if ((bitmask[big] & (1 << small))) return true; /* On GLES hosts we don't advertise BGRx_SRGB, but we may be able * emulate it by using a swizzled RGBx */ if (may_emulate_bgra) { if (format == PIPE_FORMAT_B8G8R8A8_SRGB) format = PIPE_FORMAT_R8G8B8A8_SRGB; else if (format == PIPE_FORMAT_B8G8R8X8_SRGB) format = PIPE_FORMAT_R8G8B8X8_SRGB; else { return false; } vformat = pipe_to_virgl_format(format); big = vformat / 32; small = vformat % 32; if (bitmask[big] & (1 << small)) return true; } return false; } /** * 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 bool virgl_is_format_supported( struct pipe_screen *screen, enum pipe_format format, enum pipe_texture_target target, unsigned sample_count, unsigned storage_sample_count, unsigned bind) { struct virgl_screen *vscreen = virgl_screen(screen); const struct util_format_description *format_desc; int i; union virgl_caps *caps = &vscreen->caps.caps; boolean may_emulate_bgra = (caps->v2.capability_bits & VIRGL_CAP_APP_TWEAK_SUPPORT) && vscreen->tweak_gles_emulate_bgra; if (MAX2(1, sample_count) != MAX2(1, storage_sample_count)) return false; if (!util_is_power_of_two_or_zero(sample_count)) return false; 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 (!caps->v1.bset.texture_multisample) return false; if (bind & PIPE_BIND_SHADER_IMAGE) { if (sample_count > caps->v2.max_image_samples) return false; } if (sample_count > caps->v1.max_samples) return false; } if (bind & PIPE_BIND_VERTEX_BUFFER) { return virgl_is_vertex_format_supported(screen, format); } if (util_format_is_compressed(format) && target == PIPE_BUFFER) return false; /* Allow 3-comp 32 bit textures only for TBOs (needed for ARB_tbo_rgb32) */ if ((format == PIPE_FORMAT_R32G32B32_FLOAT || format == PIPE_FORMAT_R32G32B32_SINT || format == PIPE_FORMAT_R32G32B32_UINT) && target != PIPE_BUFFER) return false; if ((format_desc->layout == UTIL_FORMAT_LAYOUT_RGTC || format_desc->layout == UTIL_FORMAT_LAYOUT_ETC || format_desc->layout == UTIL_FORMAT_LAYOUT_S3TC) && target == PIPE_TEXTURE_3D) return false; if (bind & PIPE_BIND_RENDER_TARGET) { /* For ARB_framebuffer_no_attachments. */ if (format == PIPE_FORMAT_NONE) return TRUE; 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 gallium frontends. */ if (format_desc->block.width != 1 || format_desc->block.height != 1) return false; if (!virgl_format_check_bitmask(format, caps->v1.render.bitmask, may_emulate_bgra)) return false; } if (bind & PIPE_BIND_DEPTH_STENCIL) { if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS) return false; } if (bind & PIPE_BIND_SCANOUT) { if (!virgl_format_check_bitmask(format, caps->v2.scanout.bitmask, false)) 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_desc->layout == UTIL_FORMAT_LAYOUT_ETC) { 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: return virgl_format_check_bitmask(format, caps->v1.sampler.bitmask, may_emulate_bgra); } 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 bool 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 int virgl_fence_get_fd(struct pipe_screen *screen, struct pipe_fence_handle *fence) { struct virgl_screen *vscreen = virgl_screen(screen); struct virgl_winsys *vws = vscreen->vws; return vws->fence_get_fd(vws, fence); } 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->transfer_pool); if (vws) vws->destroy(vws); FREE(vscreen); } static void fixup_formats(union virgl_caps *caps, struct virgl_supported_format_mask *mask) { const size_t size = ARRAY_SIZE(mask->bitmask); for (int i = 0; i < size; ++i) { if (mask->bitmask[i] != 0) return; /* we got some formats, we definately have a new protocol */ } /* old protocol used; fall back to considering all sampleable formats valid * readback-formats */ for (int i = 0; i < size; ++i) mask->bitmask[i] = caps->v1.sampler.bitmask[i]; } struct pipe_screen * virgl_create_screen(struct virgl_winsys *vws, const struct pipe_screen_config *config) { struct virgl_screen *screen = CALLOC_STRUCT(virgl_screen); const char *VIRGL_GLES_EMULATE_BGRA = "gles_emulate_bgra"; const char *VIRGL_GLES_APPLY_BGRA_DEST_SWIZZLE = "gles_apply_bgra_dest_swizzle"; const char *VIRGL_GLES_SAMPLES_PASSED_VALUE = "gles_samples_passed_value"; if (!screen) return NULL; virgl_debug = debug_get_option_virgl_debug(); if (config && config->options) { screen->tweak_gles_emulate_bgra = driQueryOptionb(config->options, VIRGL_GLES_EMULATE_BGRA); screen->tweak_gles_apply_bgra_dest_swizzle = driQueryOptionb(config->options, VIRGL_GLES_APPLY_BGRA_DEST_SWIZZLE); screen->tweak_gles_tf3_value = driQueryOptioni(config->options, VIRGL_GLES_SAMPLES_PASSED_VALUE); } screen->tweak_gles_emulate_bgra &= !(virgl_debug & VIRGL_DEBUG_NO_EMULATE_BGRA); screen->tweak_gles_apply_bgra_dest_swizzle &= !(virgl_debug & VIRGL_DEBUG_NO_BGRA_DEST_SWIZZLE); 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_compute_param = virgl_get_compute_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; screen->base.fence_get_fd = virgl_fence_get_fd; virgl_init_screen_resource_functions(&screen->base); vws->get_caps(vws, &screen->caps); fixup_formats(&screen->caps.caps, &screen->caps.caps.v2.supported_readback_formats); fixup_formats(&screen->caps.caps, &screen->caps.caps.v2.scanout); union virgl_caps *caps = &screen->caps.caps; bool may_emulate_bgra = (caps->v2.capability_bits & VIRGL_CAP_APP_TWEAK_SUPPORT); screen->tweak_gles_emulate_bgra &= !virgl_format_check_bitmask( PIPE_FORMAT_B8G8R8A8_SRGB, caps->v1.render.bitmask, may_emulate_bgra); screen->refcnt = 1; slab_create_parent(&screen->transfer_pool, sizeof(struct virgl_transfer), 16); return &screen->base; }