ExternalTextureD3D11.h

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef GPU_ExternalTextureD3D11_H_

#define GPU_ExternalTextureD3D11_H_

#include "mozilla/gfx/FileHandleWrapper.h"

#include "mozilla/webgpu/ExternalTexture.h"

struct ID3D11Texture2D;

namespace mozilla {

namespace layers {

class FenceD3D11;

}  // namespace layers

namespace webgpu {

class ExternalTextureD3D11 final : public ExternalTexture {

 public:

  static UniquePtr<ExternalTextureD3D11> Create(

      WebGPUParent* aParent, const ffi::WGPUDeviceId aDeviceId,

      const uint32_t aWidth, const uint32_t aHeight,

      const struct ffi::WGPUTextureFormat aFormat,

      const ffi::WGPUTextureUsages aUsage);

  ExternalTextureD3D11(

      const uint32_t aWidth, const uint32_t aHeight,

      const struct ffi::WGPUTextureFormat aFormat,

      const ffi::WGPUTextureUsages aUsage,

      const RefPtr<ID3D11Texture2D> aTexture,

      RefPtr<gfx::FileHandleWrapper>&& aSharedHandle,

      const layers::CompositeProcessFencesHolderId aFencesHolderId,

      RefPtr<layers::FenceD3D11>&& aWriteFence);

  virtual ~ExternalTextureD3D11();

  void* GetExternalTextureHandle();

  Maybe<layers::SurfaceDescriptor> ToSurfaceDescriptor() override;

  void GetSnapshot(const ipc::Shmem& aDestShmem,

                   const gfx::IntSize& aSize) override;

  ExternalTextureD3D11* AsExternalTextureD3D11() override { return this; }

 protected:

  const RefPtr<ID3D11Texture2D> mTexture;

  const RefPtr<gfx::FileHandleWrapper> mSharedHandle;

  const layers::CompositeProcessFencesHolderId mFencesHolderId;

  const RefPtr<layers::FenceD3D11> mWriteFence;

};

}  // namespace webgpu

}  // namespace mozilla

#endif  // GPU_Texture_H_