dom/webgpu/ExternalTextureD3D11.h

   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_ExternalTextureD3D11_H_
   7 #define GPU_ExternalTextureD3D11_H_
   8
   9 #include "mozilla/gfx/FileHandleWrapper.h"
  10 #include "mozilla/webgpu/ExternalTexture.h"
  11
  12 struct ID3D11Texture2D;
  13
  14 namespace mozilla {
  15
  16 namespace webgpu {
  17
  18 class ExternalTextureD3D11 final : public ExternalTexture {
  19  public:
  20   static UniquePtr<ExternalTextureD3D11> Create(
  21       const uint32_t aWidth, const uint32_t aHeight,
  22       const struct ffi::WGPUTextureFormat aFormat,
  23       const ffi::WGPUTextureUsages aUsage);
  24
  25   ExternalTextureD3D11(const uint32_t aWidth, const uint32_t aHeight,
  26                        const struct ffi::WGPUTextureFormat aFormat,
  27                        const ffi::WGPUTextureUsages aUsage,
  28                        const RefPtr<ID3D11Texture2D> aTexture,
  29                        RefPtr<gfx::FileHandleWrapper>&& aSharedHandle);
  30   virtual ~ExternalTextureD3D11();
  31
  32   void* GetExternalTextureHandle() override;
  33
  34   Maybe<layers::SurfaceDescriptor> ToSurfaceDescriptor() override;
  35
  36   void GetSnapshot(const ipc::Shmem& aDestShmem,
  37                    const gfx::IntSize& aSize) override;
  38
  39  protected:
  40   const RefPtr<ID3D11Texture2D> mTexture;
  41   const RefPtr<gfx::FileHandleWrapper> mSharedHandle;
  42 };
  43
  44 }  // namespace webgpu
  45 }  // namespace mozilla
  46
  47 #endif  // GPU_Texture_H_