| /* |
| * 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_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: |
| 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_GLSL_FEATURE_LEVEL_COMPATIBILITY: |
| return MIN2(vscreen->caps.caps.v1.glsl_level, 140); |
| case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION: |
| 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 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_MAX_VERTEX_STREAMS: |
| return vscreen->caps.caps.v1.glsl_level >= 400 ? 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; |
| 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_TGSI_FS_FBFETCH: |
| return vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_TGSI_FBFETCH; |
| 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_MULTI_DRAW_INDIRECT: |
| case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS: |
| case PIPE_CAP_CLIP_HALFZ: |
| case PIPE_CAP_VERTEXID_NOBASE: |
| case PIPE_CAP_MULTISAMPLE_Z_RESOLVE: |
| case PIPE_CAP_RESOURCE_FROM_USER_MEMORY: |
| case PIPE_CAP_DEVICE_RESET_STATUS_QUERY: |
| case PIPE_CAP_TEXTURE_FLOAT_LINEAR: |
| case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR: |
| case PIPE_CAP_DEPTH_BOUNDS_TEST: |
| 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_INVALIDATE_BUFFER: |
| case PIPE_CAP_GENERATE_MIPMAP: |
| case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS: |
| case PIPE_CAP_QUERY_BUFFER_OBJECT: |
| 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_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_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_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_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_FRAMEBUFFER_MSAA_CONSTRAINTS: |
| 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: |
| case PIPE_CAP_PROGRAMMABLE_SAMPLE_LOCATIONS: |
| 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); |
| |
| 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_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_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: |
| return 0; |
| case PIPE_SHADER_CAP_SCALAR_ISA: |
| return 1; |
| 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 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 storage_sample_count, |
| unsigned bind) |
| { |
| struct virgl_screen *vscreen = virgl_screen(screen); |
| const struct util_format_description *format_desc; |
| int i; |
| |
| if (MAX2(1, sample_count) != MAX2(1, storage_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 (!vscreen->caps.caps.v1.bset.texture_multisample) |
| return FALSE; |
| |
| if (bind & PIPE_BIND_SHADER_IMAGE) { |
| if (sample_count > vscreen->caps.caps.v2.max_image_samples) |
| 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); |
| } |
| |
| /* 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 (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 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_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; |
| |
| 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; |
| } |