| // Copyright 2018 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef GPU_COMMAND_BUFFER_COMMON_SHARED_IMAGE_USAGE_H_ |
| #define GPU_COMMAND_BUFFER_COMMON_SHARED_IMAGE_USAGE_H_ |
| |
| #include <stdint.h> |
| #include <string> |
| |
| #include "gpu/gpu_export.h" |
| |
| namespace gpu { |
| |
| // Please update the function, CreateLabelForSharedImageUsage, when adding a new |
| // enum value. |
| enum SharedImageUsage : uint32_t { |
| // Image will be read via GLES2Interface |
| SHARED_IMAGE_USAGE_GLES2_READ = 1 << 0, |
| // Image will be used as a framebuffer (hint) |
| SHARED_IMAGE_USAGE_GLES2_FRAMEBUFFER_HINT = 1 << 1, |
| // Image will be read via RasterInterface |
| SHARED_IMAGE_USAGE_RASTER_READ = 1 << 2, |
| // Image will be read from inside Display Compositor |
| SHARED_IMAGE_USAGE_DISPLAY_READ = 1 << 3, |
| // Image will be written to inside Display Compositor |
| SHARED_IMAGE_USAGE_DISPLAY_WRITE = 1 << 4, |
| // Image will be used as a scanout buffer (overlay) |
| SHARED_IMAGE_USAGE_SCANOUT = 1 << 5, |
| // Image will be used in OOP rasterization. This flag is used on top of |
| // SHARED_IMAGE_USAGE_RASTER_{READ, WRITE} to indicate that the client will |
| // only use RasterInterface for OOP rasterization. TODO(backer): Eliminate |
| // once we can CPU raster to SkImage via RasterInterface. |
| SHARED_IMAGE_USAGE_OOP_RASTERIZATION = 1 << 6, |
| // Image will be read by Dawn (for WebGPU) |
| SHARED_IMAGE_USAGE_WEBGPU_READ = 1 << 7, |
| // Image may use concurrent read/write access. Used by single buffered canvas. |
| // TODO(crbug.com/41462072): This usage is currently not supported in |
| // GL/Vulkan |
| // interop cases. |
| SHARED_IMAGE_USAGE_CONCURRENT_READ_WRITE = 1 << 8, |
| // Image will be used for video decode acceleration on Chrome OS. |
| SHARED_IMAGE_USAGE_VIDEO_DECODE = 1 << 9, |
| // Image will be used as a WebGPU swapbuffer |
| SHARED_IMAGE_USAGE_WEBGPU_SWAP_CHAIN_TEXTURE = 1 << 10, |
| // The image was created by VideoToolbox on macOS, and is backed by a |
| // CVPixelBuffer's IOSurface. Because of this backing, IOSurfaceIsInUse will |
| // always return true. |
| SHARED_IMAGE_USAGE_MACOS_VIDEO_TOOLBOX = 1 << 11, |
| // Image will be used with mipmap enabled |
| SHARED_IMAGE_USAGE_MIPMAP = 1 << 12, |
| // Image will be used for CPU Writes by client |
| SHARED_IMAGE_USAGE_CPU_WRITE = 1 << 13, |
| // Image will be used in RasterInterface with RawDraw. |
| SHARED_IMAGE_USAGE_RAW_DRAW = 1 << 14, |
| // Image will be used in RasterInterface for DelegatedCompositing. |
| // This is intended to avoid the overhead of a GPU fence per tile. |
| // TODO(crbug.com/41492887): In order to delegate buffers we need all buffer |
| // allocations to be set as SCANOUT. This will cause a fence per rastered |
| // tiled. A new buffer concept that avoids scanout but allows delegation might |
| // enable us to remove this usage. |
| SHARED_IMAGE_USAGE_RASTER_DELEGATED_COMPOSITING = 1 << 15, |
| // Image will be created on the high performance GPU if supported. |
| SHARED_IMAGE_USAGE_HIGH_PERFORMANCE_GPU = 1 << 16, |
| // Windows only: image will be backed by a DComp surface. A swap chain is |
| // preferred when an image is opaque and expected to update frequently and |
| // independently of other overlays. This flag is incompatible with |
| // DISPLAY_READ. |
| SHARED_IMAGE_USAGE_SCANOUT_DCOMP_SURFACE = 1 << 17, |
| |
| // Image will be used as a WebGPU storage texture. |
| SHARED_IMAGE_USAGE_WEBGPU_STORAGE_TEXTURE = 1 << 18, |
| |
| // Image will be written via GLES2Interface |
| SHARED_IMAGE_USAGE_GLES2_WRITE = 1 << 19, |
| |
| // Image will be written via RasterInterface |
| SHARED_IMAGE_USAGE_RASTER_WRITE = 1 << 20, |
| |
| // Image will be written by Dawn (for WebGPU) |
| SHARED_IMAGE_USAGE_WEBGPU_WRITE = 1 << 21, |
| |
| // The image will be used by GLES2 only for raster over the GLES2 interface. |
| // Specified in conjunction with GLES2_READ and/or GLES2_WRITE. |
| SHARED_IMAGE_USAGE_GLES2_FOR_RASTER_ONLY = 1 << 22, |
| |
| // The image will be used by raster only over the GLES2 interface. |
| // Specified in conjunction with RASTER_READ and/or RASTER_WRITE. |
| SHARED_IMAGE_USAGE_RASTER_OVER_GLES2_ONLY = 1 << 23, |
| |
| // Image will contain protected content to be scanned out. Note that this type of image |
| // won't necessarily be written to by a hardware video decoder, but will instead be written |
| // to by a preprocessing step that converts the image's pixel format into something the |
| // display controller understands. |
| SHARED_IMAGE_USAGE_PROTECTED_VIDEO = 1 << 24, |
| |
| // Start service side only usage flags after this entry. They must be larger |
| // than `LAST_CLIENT_USAGE`. |
| LAST_CLIENT_USAGE = SHARED_IMAGE_USAGE_PROTECTED_VIDEO, |
| |
| // Image will have pixels uploaded from CPU. The backing must implement |
| // `UploadFromMemory()` if it supports this usage. Clients should specify |
| // SHARED_IMAGE_USAGE_CPU_WRITE if they need to write pixels to the image. |
| SHARED_IMAGE_USAGE_CPU_UPLOAD = 1 << 25, |
| |
| LAST_SHARED_IMAGE_USAGE = SHARED_IMAGE_USAGE_CPU_UPLOAD |
| }; |
| |
| // This is used as the debug_label prefix for all shared images created by |
| // importing buffers in Exo. This prefix is checked in the GPU process when |
| // reporting if memory for shared images is attributed to exo imports or not. |
| GPU_EXPORT extern const char kExoTextureLabelPrefix[]; |
| |
| // Returns true if usage is a valid client usage. |
| GPU_EXPORT bool IsValidClientUsage(uint32_t usage); |
| |
| // Returns true iff usage includes SHARED_IMAGE_USAGE_GLES2_READ or |
| // SHARED_IMAGE_USAGE_GLES2_WRITE. |
| GPU_EXPORT bool HasGLES2ReadOrWriteUsage(uint32_t usage); |
| |
| // Create a string to label SharedImageUsage. |
| GPU_EXPORT std::string CreateLabelForSharedImageUsage(uint32_t usage); |
| |
| } // namespace gpu |
| |
| #endif // GPU_COMMAND_BUFFER_COMMON_SHARED_IMAGE_USAGE_H_ |