/* * Copyright © 2014 Broadcom * Copyright (C) 2012 Rob Clark * * 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, sublicense, * 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 NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS 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 "os/os_misc.h" #include "pipe/p_defines.h" #include "pipe/p_screen.h" #include "pipe/p_state.h" #include "util/u_debug.h" #include "util/u_memory.h" #include "util/u_format.h" #include "util/ralloc.h" #include #include "vc4_drm.h" #include "vc4_screen.h" #include "vc4_context.h" #include "vc4_resource.h" static const struct debug_named_value debug_options[] = { { "cl", VC4_DEBUG_CL, "Dump command list during creation" }, { "qpu", VC4_DEBUG_QPU, "Dump generated QPU instructions" }, { "qir", VC4_DEBUG_QIR, "Dump QPU IR during program compile" }, { "nir", VC4_DEBUG_NIR, "Dump NIR during program compile" }, { "tgsi", VC4_DEBUG_TGSI, "Dump TGSI during program compile" }, { "shaderdb", VC4_DEBUG_SHADERDB, "Dump program compile information for shader-db analysis" }, { "perf", VC4_DEBUG_PERF, "Print during performance-related events" }, { "norast", VC4_DEBUG_NORAST, "Skip actual hardware execution of commands" }, { "always_flush", VC4_DEBUG_ALWAYS_FLUSH, "Flush after each draw call" }, { "always_sync", VC4_DEBUG_ALWAYS_SYNC, "Wait for finish after each flush" }, #if USE_VC4_SIMULATOR { "dump", VC4_DEBUG_DUMP, "Write a GPU command stream trace file" }, #endif { NULL } }; DEBUG_GET_ONCE_FLAGS_OPTION(vc4_debug, "VC4_DEBUG", debug_options, 0) uint32_t vc4_debug; static const char * vc4_screen_get_name(struct pipe_screen *pscreen) { return "VC4"; } static const char * vc4_screen_get_vendor(struct pipe_screen *pscreen) { return "Broadcom"; } static void vc4_screen_destroy(struct pipe_screen *pscreen) { struct vc4_screen *screen = vc4_screen(pscreen); vc4_bufmgr_destroy(pscreen); close(screen->fd); ralloc_free(pscreen); } static int vc4_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param) { switch (param) { /* Supported features (boolean caps). */ case PIPE_CAP_VERTEX_COLOR_CLAMPED: case PIPE_CAP_VERTEX_COLOR_UNCLAMPED: case PIPE_CAP_FRAGMENT_COLOR_CLAMPED: case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT: case PIPE_CAP_NPOT_TEXTURES: case PIPE_CAP_SHAREABLE_SHADERS: case PIPE_CAP_USER_CONSTANT_BUFFERS: case PIPE_CAP_TEXTURE_SHADOW_MAP: case PIPE_CAP_BLEND_EQUATION_SEPARATE: case PIPE_CAP_TWO_SIDED_STENCIL: case PIPE_CAP_USER_INDEX_BUFFERS: case PIPE_CAP_TEXTURE_MULTISAMPLE: case PIPE_CAP_TEXTURE_SWIZZLE: return 1; /* lying for GL 2.0 */ case PIPE_CAP_OCCLUSION_QUERY: case PIPE_CAP_POINT_SPRITE: return 1; case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT: return 256; case PIPE_CAP_GLSL_FEATURE_LEVEL: return 120; case PIPE_CAP_MAX_VIEWPORTS: return 1; case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT: case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER: return 1; case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES: return 1; /* Unsupported features. */ case PIPE_CAP_ANISOTROPIC_FILTER: case PIPE_CAP_TEXTURE_BUFFER_OBJECTS: case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY: case PIPE_CAP_CUBE_MAP_ARRAY: case PIPE_CAP_TEXTURE_MIRROR_CLAMP: case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR: case PIPE_CAP_MIXED_COLORBUFFER_FORMATS: case PIPE_CAP_SEAMLESS_CUBE_MAP: case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION: case PIPE_CAP_TGSI_INSTANCEID: 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_COMPUTE: case PIPE_CAP_START_INSTANCE: case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS: case PIPE_CAP_SHADER_STENCIL_EXPORT: case PIPE_CAP_TGSI_TEXCOORD: case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER: case PIPE_CAP_CONDITIONAL_RENDER: case PIPE_CAP_PRIMITIVE_RESTART: case PIPE_CAP_TEXTURE_BARRIER: case PIPE_CAP_SM3: case PIPE_CAP_INDEP_BLEND_ENABLE: case PIPE_CAP_INDEP_BLEND_FUNC: case PIPE_CAP_DEPTH_CLIP_DISABLE: case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE: case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT: case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER: case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS: case PIPE_CAP_USER_VERTEX_BUFFERS: case PIPE_CAP_QUERY_PIPELINE_STATISTICS: case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK: case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT: case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS: case PIPE_CAP_TEXTURE_GATHER_SM5: case PIPE_CAP_FAKE_SW_MSAA: case PIPE_CAP_TEXTURE_QUERY_LOD: case PIPE_CAP_SAMPLE_SHADING: case PIPE_CAP_TEXTURE_GATHER_OFFSETS: case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET: case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION: case PIPE_CAP_MAX_TEXEL_OFFSET: case PIPE_CAP_MAX_VERTEX_STREAMS: case PIPE_CAP_DRAW_INDIRECT: 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_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_FORCE_PERSAMPLE_INTERP: case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS: 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_STRING_MARKER: 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_FRAMEBUFFER_NO_ATTACHMENT: case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR: case PIPE_CAP_CULL_DISTANCE: 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: return 0; /* Stream output. */ case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS: case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME: case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS: case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS: return 0; /* Geometry shader output, unsupported. */ case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES: case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS: return 0; /* Texturing. */ case PIPE_CAP_MAX_TEXTURE_2D_LEVELS: case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS: return VC4_MAX_MIP_LEVELS; case PIPE_CAP_MAX_TEXTURE_3D_LEVELS: /* Note: Not supported in hardware, just faking it. */ return 5; case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS: return 0; /* Render targets. */ case PIPE_CAP_MAX_RENDER_TARGETS: return 1; /* Queries. */ case PIPE_CAP_QUERY_TIME_ELAPSED: case PIPE_CAP_QUERY_TIMESTAMP: return 0; case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET: case PIPE_CAP_MIN_TEXEL_OFFSET: return 0; case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE: return 2048; case PIPE_CAP_ENDIANNESS: return PIPE_ENDIAN_LITTLE; case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT: return 64; case PIPE_CAP_VENDOR_ID: return 0x14E4; case PIPE_CAP_DEVICE_ID: return 0xFFFFFFFF; case PIPE_CAP_ACCELERATED: return 1; case PIPE_CAP_VIDEO_MEMORY: { uint64_t system_memory; if (!os_get_total_physical_memory(&system_memory)) return 0; return (int)(system_memory >> 20); } case PIPE_CAP_UMA: return 1; default: fprintf(stderr, "unknown param %d\n", param); return 0; } } static float vc4_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param) { switch (param) { case PIPE_CAPF_MAX_LINE_WIDTH: case PIPE_CAPF_MAX_LINE_WIDTH_AA: return 32; case PIPE_CAPF_MAX_POINT_WIDTH: case PIPE_CAPF_MAX_POINT_WIDTH_AA: return 512.0f; case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY: return 0.0f; case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS: return 0.0f; case PIPE_CAPF_GUARD_BAND_LEFT: case PIPE_CAPF_GUARD_BAND_TOP: case PIPE_CAPF_GUARD_BAND_RIGHT: case PIPE_CAPF_GUARD_BAND_BOTTOM: return 0.0f; default: fprintf(stderr, "unknown paramf %d\n", param); return 0; } } static int vc4_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader, enum pipe_shader_cap param) { if (shader != PIPE_SHADER_VERTEX && shader != PIPE_SHADER_FRAGMENT) { return 0; } /* this is probably not totally correct.. but it's a start: */ 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 16384; case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH: return vc4_screen(pscreen)->has_control_flow; case PIPE_SHADER_CAP_MAX_INPUTS: if (shader == PIPE_SHADER_FRAGMENT) return 8; else return 16; case PIPE_SHADER_CAP_MAX_OUTPUTS: return shader == PIPE_SHADER_FRAGMENT ? 1 : 8; case PIPE_SHADER_CAP_MAX_TEMPS: return 256; /* GL_MAX_PROGRAM_TEMPORARIES_ARB */ case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE: return 16 * 1024 * sizeof(float); case PIPE_SHADER_CAP_MAX_CONST_BUFFERS: return 1; case PIPE_SHADER_CAP_MAX_PREDS: return 0; /* nothing uses this */ case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED: return 0; case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR: case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR: case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR: return 0; case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR: return 1; case PIPE_SHADER_CAP_SUBROUTINES: return 0; case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED: return 0; case PIPE_SHADER_CAP_INTEGERS: return 1; case PIPE_SHADER_CAP_DOUBLES: case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED: case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED: case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED: case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE: return 0; case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS: case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS: return VC4_MAX_TEXTURE_SAMPLERS; case PIPE_SHADER_CAP_PREFERRED_IR: return PIPE_SHADER_IR_TGSI; case PIPE_SHADER_CAP_SUPPORTED_IRS: return 0; case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT: return 32; case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS: case PIPE_SHADER_CAP_MAX_SHADER_IMAGES: return 0; default: fprintf(stderr, "unknown shader param %d\n", param); return 0; } return 0; } static boolean vc4_screen_is_format_supported(struct pipe_screen *pscreen, enum pipe_format format, enum pipe_texture_target target, unsigned sample_count, unsigned usage) { unsigned retval = 0; if (sample_count > 1 && sample_count != VC4_MAX_SAMPLES) return FALSE; if ((target >= PIPE_MAX_TEXTURE_TYPES) || !util_format_is_supported(format, usage)) { return FALSE; } if (usage & PIPE_BIND_VERTEX_BUFFER) { switch (format) { case PIPE_FORMAT_R32G32B32A32_FLOAT: case PIPE_FORMAT_R32G32B32_FLOAT: case PIPE_FORMAT_R32G32_FLOAT: case PIPE_FORMAT_R32_FLOAT: case PIPE_FORMAT_R32G32B32A32_SNORM: case PIPE_FORMAT_R32G32B32_SNORM: case PIPE_FORMAT_R32G32_SNORM: case PIPE_FORMAT_R32_SNORM: case PIPE_FORMAT_R32G32B32A32_SSCALED: case PIPE_FORMAT_R32G32B32_SSCALED: case PIPE_FORMAT_R32G32_SSCALED: case PIPE_FORMAT_R32_SSCALED: case PIPE_FORMAT_R16G16B16A16_UNORM: case PIPE_FORMAT_R16G16B16_UNORM: case PIPE_FORMAT_R16G16_UNORM: case PIPE_FORMAT_R16_UNORM: case PIPE_FORMAT_R16G16B16A16_SNORM: case PIPE_FORMAT_R16G16B16_SNORM: case PIPE_FORMAT_R16G16_SNORM: case PIPE_FORMAT_R16_SNORM: case PIPE_FORMAT_R16G16B16A16_USCALED: case PIPE_FORMAT_R16G16B16_USCALED: case PIPE_FORMAT_R16G16_USCALED: case PIPE_FORMAT_R16_USCALED: case PIPE_FORMAT_R16G16B16A16_SSCALED: case PIPE_FORMAT_R16G16B16_SSCALED: case PIPE_FORMAT_R16G16_SSCALED: case PIPE_FORMAT_R16_SSCALED: case PIPE_FORMAT_R8G8B8A8_UNORM: case PIPE_FORMAT_R8G8B8_UNORM: case PIPE_FORMAT_R8G8_UNORM: case PIPE_FORMAT_R8_UNORM: case PIPE_FORMAT_R8G8B8A8_SNORM: case PIPE_FORMAT_R8G8B8_SNORM: case PIPE_FORMAT_R8G8_SNORM: case PIPE_FORMAT_R8_SNORM: case PIPE_FORMAT_R8G8B8A8_USCALED: case PIPE_FORMAT_R8G8B8_USCALED: case PIPE_FORMAT_R8G8_USCALED: case PIPE_FORMAT_R8_USCALED: case PIPE_FORMAT_R8G8B8A8_SSCALED: case PIPE_FORMAT_R8G8B8_SSCALED: case PIPE_FORMAT_R8G8_SSCALED: case PIPE_FORMAT_R8_SSCALED: retval |= PIPE_BIND_VERTEX_BUFFER; break; default: break; } } if ((usage & PIPE_BIND_RENDER_TARGET) && vc4_rt_format_supported(format)) { retval |= PIPE_BIND_RENDER_TARGET; } if ((usage & PIPE_BIND_SAMPLER_VIEW) && vc4_tex_format_supported(format)) { retval |= PIPE_BIND_SAMPLER_VIEW; } if ((usage & PIPE_BIND_DEPTH_STENCIL) && (format == PIPE_FORMAT_S8_UINT_Z24_UNORM || format == PIPE_FORMAT_X8Z24_UNORM)) { retval |= PIPE_BIND_DEPTH_STENCIL; } if ((usage & PIPE_BIND_INDEX_BUFFER) && (format == PIPE_FORMAT_I8_UINT || format == PIPE_FORMAT_I16_UINT)) { retval |= PIPE_BIND_INDEX_BUFFER; } if (usage & PIPE_BIND_TRANSFER_READ) retval |= PIPE_BIND_TRANSFER_READ; if (usage & PIPE_BIND_TRANSFER_WRITE) retval |= PIPE_BIND_TRANSFER_WRITE; #if 0 if (retval != usage) { fprintf(stderr, "not supported: format=%s, target=%d, sample_count=%d, " "usage=0x%x, retval=0x%x\n", util_format_name(format), target, sample_count, usage, retval); } #endif return retval == usage; } static bool vc4_supports_branches(struct vc4_screen *screen) { #if USE_VC4_SIMULATOR return true; #endif struct drm_vc4_get_param p = { .param = DRM_VC4_PARAM_SUPPORTS_BRANCHES, }; int ret = drmIoctl(screen->fd, DRM_IOCTL_VC4_GET_PARAM, &p); if (ret != 0) return false; return p.value; } static bool vc4_get_chip_info(struct vc4_screen *screen) { #if USE_VC4_SIMULATOR screen->v3d_ver = 21; return true; #endif struct drm_vc4_get_param ident0 = { .param = DRM_VC4_PARAM_V3D_IDENT0, }; struct drm_vc4_get_param ident1 = { .param = DRM_VC4_PARAM_V3D_IDENT1, }; int ret; ret = drmIoctl(screen->fd, DRM_IOCTL_VC4_GET_PARAM, &ident0); if (ret != 0) { if (errno == EINVAL) { /* Backwards compatibility with 2835 kernels which * only do V3D 2.1. */ screen->v3d_ver = 21; return true; } else { fprintf(stderr, "Couldn't get V3D IDENT0: %s\n", strerror(errno)); return false; } } ret = drmIoctl(screen->fd, DRM_IOCTL_VC4_GET_PARAM, &ident1); if (ret != 0) { fprintf(stderr, "Couldn't get V3D IDENT1: %s\n", strerror(errno)); return false; } uint32_t major = (ident0.value >> 24) & 0xff; uint32_t minor = (ident1.value >> 0) & 0xf; screen->v3d_ver = major * 10 + minor; if (screen->v3d_ver != 21) { fprintf(stderr, "V3D %d.%d not supported by this version of Mesa.\n", screen->v3d_ver / 10, screen->v3d_ver % 10); return false; } return true; } struct pipe_screen * vc4_screen_create(int fd) { struct vc4_screen *screen = rzalloc(NULL, struct vc4_screen); struct pipe_screen *pscreen; pscreen = &screen->base; pscreen->destroy = vc4_screen_destroy; pscreen->get_param = vc4_screen_get_param; pscreen->get_paramf = vc4_screen_get_paramf; pscreen->get_shader_param = vc4_screen_get_shader_param; pscreen->context_create = vc4_context_create; pscreen->is_format_supported = vc4_screen_is_format_supported; screen->fd = fd; list_inithead(&screen->bo_cache.time_list); if (vc4_supports_branches(screen)) screen->has_control_flow = true; if (!vc4_get_chip_info(screen)) goto fail; vc4_fence_init(screen); vc4_debug = debug_get_option_vc4_debug(); if (vc4_debug & VC4_DEBUG_SHADERDB) vc4_debug |= VC4_DEBUG_NORAST; #if USE_VC4_SIMULATOR vc4_simulator_init(screen); #endif vc4_resource_screen_init(pscreen); pscreen->get_name = vc4_screen_get_name; pscreen->get_vendor = vc4_screen_get_vendor; pscreen->get_device_vendor = vc4_screen_get_vendor; return pscreen; fail: close(fd); ralloc_free(pscreen); return NULL; } boolean vc4_screen_bo_get_handle(struct pipe_screen *pscreen, struct vc4_bo *bo, unsigned stride, struct winsys_handle *whandle) { whandle->stride = stride; /* If we're passing some reference to our BO out to some other part of * the system, then we can't do any optimizations about only us being * the ones seeing it (like BO caching or shadow update avoidance). */ bo->private = false; switch (whandle->type) { case DRM_API_HANDLE_TYPE_SHARED: return vc4_bo_flink(bo, &whandle->handle); case DRM_API_HANDLE_TYPE_KMS: whandle->handle = bo->handle; return TRUE; case DRM_API_HANDLE_TYPE_FD: whandle->handle = vc4_bo_get_dmabuf(bo); return whandle->handle != -1; } return FALSE; } struct vc4_bo * vc4_screen_bo_from_handle(struct pipe_screen *pscreen, struct winsys_handle *whandle) { struct vc4_screen *screen = vc4_screen(pscreen); if (whandle->offset != 0) { fprintf(stderr, "Attempt to import unsupported winsys offset %u\n", whandle->offset); return NULL; } switch (whandle->type) { case DRM_API_HANDLE_TYPE_SHARED: return vc4_bo_open_name(screen, whandle->handle, whandle->stride); case DRM_API_HANDLE_TYPE_FD: return vc4_bo_open_dmabuf(screen, whandle->handle, whandle->stride); default: fprintf(stderr, "Attempt to import unsupported handle type %d\n", whandle->type); return NULL; } }