/************************************************************************** * * Copyright 2008 VMware, Inc. * All Rights Reserved. * * 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 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 VMWARE AND/OR ITS 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_math.h" #include "util/u_cpu_detect.h" #include "util/format/u_format.h" #include "util/u_screen.h" #include "util/u_string.h" #include "util/format/u_format_s3tc.h" #include "pipe/p_defines.h" #include "pipe/p_screen.h" #include "draw/draw_context.h" #include "gallivm/lp_bld_type.h" #include "util/os_misc.h" #include "util/os_time.h" #include "lp_texture.h" #include "lp_fence.h" #include "lp_jit.h" #include "lp_screen.h" #include "lp_context.h" #include "lp_debug.h" #include "lp_public.h" #include "lp_limits.h" #include "lp_rast.h" #include "lp_cs_tpool.h" #include "state_tracker/sw_winsys.h" #ifdef DEBUG int LP_DEBUG = 0; static const struct debug_named_value lp_debug_flags[] = { { "pipe", DEBUG_PIPE, NULL }, { "tgsi", DEBUG_TGSI, NULL }, { "tex", DEBUG_TEX, NULL }, { "setup", DEBUG_SETUP, NULL }, { "rast", DEBUG_RAST, NULL }, { "query", DEBUG_QUERY, NULL }, { "screen", DEBUG_SCREEN, NULL }, { "counters", DEBUG_COUNTERS, NULL }, { "scene", DEBUG_SCENE, NULL }, { "fence", DEBUG_FENCE, NULL }, { "mem", DEBUG_MEM, NULL }, { "fs", DEBUG_FS, NULL }, { "cs", DEBUG_CS, NULL }, DEBUG_NAMED_VALUE_END }; #endif int LP_PERF = 0; static const struct debug_named_value lp_perf_flags[] = { { "texmem", PERF_TEX_MEM, NULL }, { "no_mipmap", PERF_NO_MIPMAPS, NULL }, { "no_linear", PERF_NO_LINEAR, NULL }, { "no_mip_linear", PERF_NO_MIP_LINEAR, NULL }, { "no_tex", PERF_NO_TEX, NULL }, { "no_blend", PERF_NO_BLEND, NULL }, { "no_depth", PERF_NO_DEPTH, NULL }, { "no_alphatest", PERF_NO_ALPHATEST, NULL }, DEBUG_NAMED_VALUE_END }; static const char * llvmpipe_get_vendor(struct pipe_screen *screen) { return "VMware, Inc."; } static const char * llvmpipe_get_name(struct pipe_screen *screen) { static char buf[100]; snprintf(buf, sizeof(buf), "llvmpipe (LLVM " MESA_LLVM_VERSION_STRING ", %u bits)", lp_native_vector_width ); return buf; } static int llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param) { switch (param) { case PIPE_CAP_NPOT_TEXTURES: case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES: case PIPE_CAP_MIXED_COLOR_DEPTH_BITS: 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_MAX_DUAL_SOURCE_RENDER_TARGETS: return 1; case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS: return PIPE_MAX_SO_BUFFERS; case PIPE_CAP_ANISOTROPIC_FILTER: return 0; case PIPE_CAP_POINT_SPRITE: return 1; case PIPE_CAP_MAX_RENDER_TARGETS: return PIPE_MAX_COLOR_BUFS; case PIPE_CAP_OCCLUSION_QUERY: return 1; case PIPE_CAP_QUERY_TIME_ELAPSED: return 0; case PIPE_CAP_QUERY_TIMESTAMP: return 1; case PIPE_CAP_QUERY_PIPELINE_STATISTICS: return 1; case PIPE_CAP_TEXTURE_MIRROR_CLAMP: case PIPE_CAP_TEXTURE_MIRROR_CLAMP_TO_EDGE: return 1; case PIPE_CAP_TEXTURE_SWIZZLE: return 1; case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK: case PIPE_CAP_MAX_TEXTURE_UPLOAD_MEMORY_BUDGET: return 0; case PIPE_CAP_MAX_TEXTURE_2D_SIZE: return 1 << (LP_MAX_TEXTURE_2D_LEVELS - 1); case PIPE_CAP_MAX_TEXTURE_3D_LEVELS: return LP_MAX_TEXTURE_3D_LEVELS; case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS: return LP_MAX_TEXTURE_CUBE_LEVELS; case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS: return LP_MAX_TEXTURE_ARRAY_LAYERS; case PIPE_CAP_BLEND_EQUATION_SEPARATE: return 1; case PIPE_CAP_INDEP_BLEND_ENABLE: return 1; case PIPE_CAP_INDEP_BLEND_FUNC: return 1; case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT: case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER: case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER: return 1; case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT: case PIPE_CAP_DEPTH_CLIP_DISABLE_SEPARATE: return 0; case PIPE_CAP_PRIMITIVE_RESTART: return 1; case PIPE_CAP_DEPTH_CLIP_DISABLE: return 1; case PIPE_CAP_SHADER_STENCIL_EXPORT: return 1; case PIPE_CAP_TGSI_INSTANCEID: case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR: case PIPE_CAP_START_INSTANCE: return 1; case PIPE_CAP_FRAGMENT_COLOR_CLAMPED: return 0; case PIPE_CAP_MIXED_COLORBUFFER_FORMATS: return 1; case PIPE_CAP_SEAMLESS_CUBE_MAP: case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE: return 1; /* this is a lie could support arbitrary large offsets */ case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET: case PIPE_CAP_MIN_TEXEL_OFFSET: return -32; case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET: case PIPE_CAP_MAX_TEXEL_OFFSET: return 31; case PIPE_CAP_CONDITIONAL_RENDER: return 1; case PIPE_CAP_TEXTURE_BARRIER: return 0; case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS: case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS: return 16*4; case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES: case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS: return 1024; case PIPE_CAP_MAX_VERTEX_STREAMS: return 1; case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE: return 2048; case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME: case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS: return 1; case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS: return 0; case PIPE_CAP_VERTEX_COLOR_UNCLAMPED: case PIPE_CAP_VERTEX_COLOR_CLAMPED: return 1; case PIPE_CAP_GLSL_FEATURE_LEVEL: return 330; case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY: return 140; case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION: return 0; case PIPE_CAP_COMPUTE: return GALLIVM_HAVE_CORO; case PIPE_CAP_USER_VERTEX_BUFFERS: return 1; 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_TGSI_TEXCOORD: return 0; case PIPE_CAP_DRAW_INDIRECT: return 1; case PIPE_CAP_CUBE_MAP_ARRAY: return 1; case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT: return 16; case PIPE_CAP_TEXTURE_MULTISAMPLE: return 0; case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT: return 64; case PIPE_CAP_TEXTURE_BUFFER_OBJECTS: return 1; case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE: return 65536; case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT: return 16; case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER: return 0; case PIPE_CAP_MAX_VIEWPORTS: return PIPE_MAX_VIEWPORTS; case PIPE_CAP_ENDIANNESS: return PIPE_ENDIAN_NATIVE; case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT: return 1; case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT: return 1; case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS: return 4; case PIPE_CAP_TEXTURE_GATHER_SM5: case PIPE_CAP_SAMPLE_SHADING: case PIPE_CAP_TEXTURE_GATHER_OFFSETS: return 0; case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION: return 1; case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE: case PIPE_CAP_TGSI_TEX_TXF_LZ: return 0; case PIPE_CAP_SAMPLER_VIEW_TARGET: return 1; case PIPE_CAP_FAKE_SW_MSAA: return 1; case PIPE_CAP_TEXTURE_QUERY_LOD: case PIPE_CAP_CONDITIONAL_RENDER_INVERTED: case PIPE_CAP_TGSI_ARRAY_COMPONENTS: case PIPE_CAP_DOUBLES: case PIPE_CAP_INT64: case PIPE_CAP_INT64_DIVMOD: case PIPE_CAP_QUERY_SO_OVERFLOW: case PIPE_CAP_TGSI_DIV: return 1; case PIPE_CAP_VENDOR_ID: return 0xFFFFFFFF; case PIPE_CAP_DEVICE_ID: return 0xFFFFFFFF; case PIPE_CAP_ACCELERATED: return 0; case PIPE_CAP_VIDEO_MEMORY: { /* XXX: Do we want to return the full amount fo system memory ? */ uint64_t system_memory; if (!os_get_total_physical_memory(&system_memory)) return 0; if (sizeof(void *) == 4) /* Cap to 2 GB on 32 bits system. We do this because llvmpipe does * eat application memory, which is quite limited on 32 bits. App * shouldn't expect too much available memory. */ system_memory = MIN2(system_memory, 2048 << 20); return (int)(system_memory >> 20); } case PIPE_CAP_UMA: return 0; case PIPE_CAP_CLIP_HALFZ: return 1; case PIPE_CAP_VERTEXID_NOBASE: return 0; case PIPE_CAP_POLYGON_OFFSET_CLAMP: case PIPE_CAP_TEXTURE_FLOAT_LINEAR: case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR: return 1; case PIPE_CAP_CULL_DISTANCE: return 1; case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS: return 1; case PIPE_CAP_CLEAR_TEXTURE: return 1; case PIPE_CAP_MAX_VARYINGS: return 32; case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT: return 1; 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_DEPTH_BOUNDS_TEST: case PIPE_CAP_TGSI_TXQS: case PIPE_CAP_FORCE_PERSAMPLE_INTERP: case PIPE_CAP_SHAREABLE_SHADERS: case PIPE_CAP_DRAW_PARAMETERS: case PIPE_CAP_TGSI_PACK_HALF_FLOAT: case PIPE_CAP_MULTI_DRAW_INDIRECT: case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS: 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_STRING_MARKER: case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY: case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS: case PIPE_CAP_QUERY_BUFFER_OBJECT: 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_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_CAN_READ_OUTPUTS: case PIPE_CAP_NATIVE_FENCE_FD: case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY: case PIPE_CAP_FBFETCH: case PIPE_CAP_TGSI_MUL_ZERO_WINS: 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_MAX_GS_INVOCATIONS: return 32; case PIPE_CAP_MAX_SHADER_BUFFER_SIZE: return LP_MAX_TGSI_SHADER_BUFFER_SIZE; case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT: case PIPE_CAP_TGSI_TG4_COMPONENT_IN_SWIZZLE: return 1; default: return u_pipe_screen_get_param_defaults(screen, param); } } static int llvmpipe_get_shader_param(struct pipe_screen *screen, enum pipe_shader_type shader, enum pipe_shader_cap param) { switch(shader) { case PIPE_SHADER_FRAGMENT: case PIPE_SHADER_COMPUTE: switch (param) { default: return gallivm_get_shader_param(param); } case PIPE_SHADER_VERTEX: case PIPE_SHADER_GEOMETRY: switch (param) { case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS: /* At this time, the draw module and llvmpipe driver only * support vertex shader texture lookups when LLVM is enabled in * the draw module. */ if (debug_get_bool_option("DRAW_USE_LLVM", TRUE)) return PIPE_MAX_SAMPLERS; else return 0; case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS: if (debug_get_bool_option("DRAW_USE_LLVM", TRUE)) return PIPE_MAX_SHADER_SAMPLER_VIEWS; else return 0; default: return draw_get_shader_param(shader, param); } default: return 0; } } static float llvmpipe_get_paramf(struct pipe_screen *screen, enum pipe_capf param) { switch (param) { case PIPE_CAPF_MAX_LINE_WIDTH: /* fall-through */ case PIPE_CAPF_MAX_LINE_WIDTH_AA: return 255.0; /* arbitrary */ case PIPE_CAPF_MAX_POINT_WIDTH: /* fall-through */ case PIPE_CAPF_MAX_POINT_WIDTH_AA: return 255.0; /* arbitrary */ case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY: return 16.0; /* not actually signficant at this time */ case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS: return 16.0; /* arbitrary */ case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE: return 0.0; case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE: return 0.0; case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY: return 0.0; } /* should only get here on unhandled cases */ debug_printf("Unexpected PIPE_CAP %d query\n", param); return 0.0; } static int llvmpipe_get_compute_param(struct pipe_screen *_screen, enum pipe_shader_ir ir_type, enum pipe_compute_cap param, void *ret) { switch (param) { case PIPE_COMPUTE_CAP_IR_TARGET: return 0; case PIPE_COMPUTE_CAP_MAX_GRID_SIZE: if (ret) { uint64_t *grid_size = ret; grid_size[0] = 65535; grid_size[1] = 65535; grid_size[2] = 65535; } return 3 * sizeof(uint64_t) ; case PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE: if (ret) { uint64_t *block_size = ret; block_size[0] = 1024; block_size[1] = 1024; block_size[2] = 1024; } 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 = 1024; } return sizeof(uint64_t); case PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE: if (ret) { uint64_t *max_local_size = ret; *max_local_size = 32768; } return sizeof(uint64_t); case PIPE_COMPUTE_CAP_GRID_DIMENSION: case PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE: case PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE: case PIPE_COMPUTE_CAP_MAX_INPUT_SIZE: case PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE: case PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY: case PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS: case PIPE_COMPUTE_CAP_IMAGES_SUPPORTED: case PIPE_COMPUTE_CAP_SUBGROUP_SIZE: case PIPE_COMPUTE_CAP_ADDRESS_BITS: case PIPE_COMPUTE_CAP_MAX_VARIABLE_THREADS_PER_BLOCK: break; } return 0; } /** * 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 llvmpipe_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 llvmpipe_screen *screen = llvmpipe_screen(_screen); struct sw_winsys *winsys = screen->winsys; const struct util_format_description *format_desc; format_desc = util_format_description(format); if (!format_desc) 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); if (sample_count > 1) return false; if (MAX2(1, sample_count) != MAX2(1, storage_sample_count)) return false; if (bind & PIPE_BIND_RENDER_TARGET) { if (format_desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB) { /* this is a lie actually other formats COULD exist where we would fail */ if (format_desc->nr_channels < 3) return false; } else if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_RGB) return false; if (format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN && format != PIPE_FORMAT_R11G11B10_FLOAT) return false; assert(format_desc->block.width == 1); assert(format_desc->block.height == 1); if (format_desc->is_mixed) return false; if (!format_desc->is_array && !format_desc->is_bitmask && format != PIPE_FORMAT_R11G11B10_FLOAT) return false; } if ((bind & (PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW)) && ((bind & PIPE_BIND_DISPLAY_TARGET) == 0)) { /* Disable all 3-channel formats, where channel size != 32 bits. * In some cases we run into crashes (in generate_unswizzled_blend()), * for 3-channel RGB16 variants, there was an apparent LLVM bug. * In any case, disabling the shallower 3-channel formats avoids a * number of issues with GL_ARB_copy_image support. */ if (format_desc->is_array && format_desc->nr_channels == 3 && format_desc->block.bits != 96) { return false; } } if (bind & PIPE_BIND_DISPLAY_TARGET) { if(!winsys->is_displaytarget_format_supported(winsys, bind, format)) return false; } if (bind & PIPE_BIND_DEPTH_STENCIL) { if (format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN) return false; if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS) return false; /* TODO: Support stencil-only formats */ if (format_desc->swizzle[0] == PIPE_SWIZZLE_NONE) { return false; } } if (format_desc->layout == UTIL_FORMAT_LAYOUT_ASTC || format_desc->layout == UTIL_FORMAT_LAYOUT_ATC) { /* Software decoding is not hooked up. */ return false; } if (format_desc->layout == UTIL_FORMAT_LAYOUT_ETC && format != PIPE_FORMAT_ETC1_RGB8) return false; /* * Everything can be supported by u_format * (those without fetch_rgba_float might be not but shouldn't hit that) */ return true; } static void llvmpipe_flush_frontbuffer(struct pipe_screen *_screen, struct pipe_resource *resource, unsigned level, unsigned layer, void *context_private, struct pipe_box *sub_box) { struct llvmpipe_screen *screen = llvmpipe_screen(_screen); struct sw_winsys *winsys = screen->winsys; struct llvmpipe_resource *texture = llvmpipe_resource(resource); assert(texture->dt); if (texture->dt) winsys->displaytarget_display(winsys, texture->dt, context_private, sub_box); } static void llvmpipe_destroy_screen( struct pipe_screen *_screen ) { struct llvmpipe_screen *screen = llvmpipe_screen(_screen); struct sw_winsys *winsys = screen->winsys; if (screen->cs_tpool) lp_cs_tpool_destroy(screen->cs_tpool); if (screen->rast) lp_rast_destroy(screen->rast); lp_jit_screen_cleanup(screen); if(winsys->destroy) winsys->destroy(winsys); mtx_destroy(&screen->rast_mutex); mtx_destroy(&screen->cs_mutex); FREE(screen); } /** * Fence reference counting. */ static void llvmpipe_fence_reference(struct pipe_screen *screen, struct pipe_fence_handle **ptr, struct pipe_fence_handle *fence) { struct lp_fence **old = (struct lp_fence **) ptr; struct lp_fence *f = (struct lp_fence *) fence; lp_fence_reference(old, f); } /** * Wait for the fence to finish. */ static bool llvmpipe_fence_finish(struct pipe_screen *screen, struct pipe_context *ctx, struct pipe_fence_handle *fence_handle, uint64_t timeout) { struct lp_fence *f = (struct lp_fence *) fence_handle; if (!timeout) return lp_fence_signalled(f); if (!lp_fence_signalled(f)) { if (timeout != PIPE_TIMEOUT_INFINITE) return lp_fence_timedwait(f, timeout); lp_fence_wait(f); } return true; } static uint64_t llvmpipe_get_timestamp(struct pipe_screen *_screen) { return os_time_get_nano(); } /** * Create a new pipe_screen object * Note: we're not presently subclassing pipe_screen (no llvmpipe_screen). */ struct pipe_screen * llvmpipe_create_screen(struct sw_winsys *winsys) { struct llvmpipe_screen *screen; util_cpu_detect(); #ifdef DEBUG LP_DEBUG = debug_get_flags_option("LP_DEBUG", lp_debug_flags, 0 ); #endif LP_PERF = debug_get_flags_option("LP_PERF", lp_perf_flags, 0 ); screen = CALLOC_STRUCT(llvmpipe_screen); if (!screen) return NULL; if (!lp_jit_screen_init(screen)) { FREE(screen); return NULL; } screen->winsys = winsys; screen->base.destroy = llvmpipe_destroy_screen; screen->base.get_name = llvmpipe_get_name; screen->base.get_vendor = llvmpipe_get_vendor; screen->base.get_device_vendor = llvmpipe_get_vendor; // TODO should be the CPU vendor screen->base.get_param = llvmpipe_get_param; screen->base.get_shader_param = llvmpipe_get_shader_param; screen->base.get_compute_param = llvmpipe_get_compute_param; screen->base.get_paramf = llvmpipe_get_paramf; screen->base.is_format_supported = llvmpipe_is_format_supported; screen->base.context_create = llvmpipe_create_context; screen->base.flush_frontbuffer = llvmpipe_flush_frontbuffer; screen->base.fence_reference = llvmpipe_fence_reference; screen->base.fence_finish = llvmpipe_fence_finish; screen->base.get_timestamp = llvmpipe_get_timestamp; llvmpipe_init_screen_resource_funcs(&screen->base); screen->num_threads = util_cpu_caps.nr_cpus > 1 ? util_cpu_caps.nr_cpus : 0; #ifdef EMBEDDED_DEVICE screen->num_threads = 0; #endif screen->num_threads = debug_get_num_option("LP_NUM_THREADS", screen->num_threads); screen->num_threads = MIN2(screen->num_threads, LP_MAX_THREADS); screen->rast = lp_rast_create(screen->num_threads); if (!screen->rast) { lp_jit_screen_cleanup(screen); FREE(screen); return NULL; } (void) mtx_init(&screen->rast_mutex, mtx_plain); screen->cs_tpool = lp_cs_tpool_create(screen->num_threads); if (!screen->cs_tpool) { lp_rast_destroy(screen->rast); lp_jit_screen_cleanup(screen); FREE(screen); return NULL; } (void) mtx_init(&screen->cs_mutex, mtx_plain); return &screen->base; }