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The Tor Browser
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SharedTextureDMABuf.h (2191B)

      1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* This Source Code Form is subject to the terms of the Mozilla Public
      3 * License, v. 2.0. If a copy of the MPL was not distributed with this
      4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      5 
      6 #ifndef GPU_SharedTextureDMABuf_H_
      7 #define GPU_SharedTextureDMABuf_H_
      8 
      9 #include "mozilla/WeakPtr.h"
     10 #include "mozilla/gfx/FileHandleWrapper.h"
     11 #include "mozilla/webgpu/SharedTexture.h"
     12 #include "nsTArrayForwardDeclare.h"
     13 
     14 class DMABufSurface;
     15 
     16 namespace mozilla {
     17 
     18 namespace webgpu {
     19 
     20 class VkImageHandle;
     21 class VkSemaphoreHandle;
     22 
     23 class SharedTextureDMABuf final : public SharedTexture {
     24 public:
     25  static UniquePtr<SharedTextureDMABuf> Create(
     26      WebGPUParent* aParent, const ffi::WGPUDeviceId aDeviceId,
     27      const uint32_t aWidth, const uint32_t aHeight,
     28      const struct ffi::WGPUTextureFormat aFormat,
     29      const ffi::WGPUTextureUsages aUsage);
     30 
     31  SharedTextureDMABuf(
     32      WebGPUParent* aParent, const ffi::WGPUDeviceId aDeviceId,
     33      UniquePtr<VkImageHandle>&& aVkImageHandle, const uint32_t aWidth,
     34      const uint32_t aHeight, const struct ffi::WGPUTextureFormat aFormat,
     35      const ffi::WGPUTextureUsages aUsage, RefPtr<DMABufSurface>&& aSurface,
     36      const layers::SurfaceDescriptorDMABuf& aSurfaceDescriptor);
     37  virtual ~SharedTextureDMABuf();
     38 
     39  Maybe<layers::SurfaceDescriptor> ToSurfaceDescriptor() override;
     40 
     41  void GetSnapshot(const ipc::Shmem& aDestShmem,
     42                   const gfx::IntSize& aSize) override;
     43 
     44  SharedTextureDMABuf* AsSharedTextureDMABuf() override { return this; }
     45 
     46  void onBeforeQueueSubmit(RawId aQueueId) override;
     47 
     48  void CleanForRecycling() override;
     49 
     50  UniqueFileHandle CloneDmaBufFd();
     51 
     52  const ffi::WGPUVkImageHandle* GetHandle();
     53 
     54 protected:
     55  const WeakPtr<WebGPUParent> mParent;
     56  const RawId mDeviceId;
     57  UniquePtr<VkImageHandle> mVkImageHandle;
     58  nsTArray<UniquePtr<VkSemaphoreHandle>> mVkSemaphoreHandles;
     59  RefPtr<DMABufSurface> mSurface;
     60  const layers::SurfaceDescriptorDMABuf mSurfaceDescriptor;
     61  nsTArray<RefPtr<gfx::FileHandleWrapper>> mSemaphoreFds;
     62 };
     63 
     64 }  // namespace webgpu
     65 }  // namespace mozilla
     66 
     67 #endif  // GPU_Texture_H_