tor-browser

The Tor Browser
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SharedTextureD3D11.h (1892B)

      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_SharedTextureD3D11_H_
      7 #define GPU_SharedTextureD3D11_H_
      8 
      9 #include "mozilla/gfx/FileHandleWrapper.h"
     10 #include "mozilla/webgpu/SharedTexture.h"
     11 
     12 struct ID3D11Texture2D;
     13 
     14 namespace mozilla {
     15 
     16 namespace layers {
     17 class FenceD3D11;
     18 }  // namespace layers
     19 
     20 namespace webgpu {
     21 
     22 class SharedTextureD3D11 final : public SharedTexture {
     23 public:
     24  static UniquePtr<SharedTextureD3D11> Create(
     25      WebGPUParent* aParent, const ffi::WGPUDeviceId aDeviceId,
     26      const uint32_t aWidth, const uint32_t aHeight,
     27      const struct ffi::WGPUTextureFormat aFormat,
     28      const ffi::WGPUTextureUsages aUsage);
     29 
     30  SharedTextureD3D11(
     31      const uint32_t aWidth, const uint32_t aHeight,
     32      const struct ffi::WGPUTextureFormat aFormat,
     33      const ffi::WGPUTextureUsages aUsage,
     34      const RefPtr<ID3D11Texture2D> aTexture,
     35      RefPtr<gfx::FileHandleWrapper>&& aSharedHandle,
     36      const layers::CompositeProcessFencesHolderId aFencesHolderId,
     37      RefPtr<layers::FenceD3D11>&& aWriteFence);
     38  virtual ~SharedTextureD3D11();
     39 
     40  void* GetSharedTextureHandle();
     41 
     42  Maybe<layers::SurfaceDescriptor> ToSurfaceDescriptor() override;
     43 
     44  void GetSnapshot(const ipc::Shmem& aDestShmem,
     45                   const gfx::IntSize& aSize) override;
     46 
     47  SharedTextureD3D11* AsSharedTextureD3D11() override { return this; }
     48 
     49 protected:
     50  const RefPtr<ID3D11Texture2D> mTexture;
     51  const RefPtr<gfx::FileHandleWrapper> mSharedHandle;
     52  const layers::CompositeProcessFencesHolderId mFencesHolderId;
     53  const RefPtr<layers::FenceD3D11> mWriteFence;
     54 };
     55 
     56 }  // namespace webgpu
     57 }  // namespace mozilla
     58 
     59 #endif  // GPU_Texture_H_