зеркало из https://github.com/mozilla/gecko-dev.git
89 строки
2.8 KiB
C++
89 строки
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef GFX_D311_SHARE_HANDLE_IMAGE_H
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#define GFX_D311_SHARE_HANDLE_IMAGE_H
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#include "ImageContainer.h"
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#include "d3d11.h"
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#include "mozilla/Atomics.h"
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#include "mozilla/RefPtr.h"
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#include "mozilla/gfx/Types.h"
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#include "mozilla/layers/TextureClient.h"
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#include "mozilla/layers/TextureClientRecycleAllocator.h"
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#include "mozilla/layers/TextureD3D11.h"
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namespace mozilla {
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namespace gl {
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class GLBlitHelper;
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}
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namespace layers {
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class D3D11RecycleAllocator final : public TextureClientRecycleAllocator {
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public:
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D3D11RecycleAllocator(KnowsCompositor* aAllocator, ID3D11Device* aDevice,
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gfx::SurfaceFormat aPreferredFormat);
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already_AddRefed<TextureClient> CreateOrRecycleClient(
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gfx::YUVColorSpace aColorSpace, const gfx::IntSize& aSize);
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void SetPreferredSurfaceFormat(gfx::SurfaceFormat aPreferredFormat);
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private:
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const RefPtr<ID3D11Device> mDevice;
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const bool mCanUseNV12;
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const bool mCanUseP010;
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const bool mCanUseP016;
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/**
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* Used for checking if CompositorDevice/ContentDevice is updated.
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*/
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RefPtr<ID3D11Device> mImageDevice;
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gfx::SurfaceFormat mUsableSurfaceFormat;
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};
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// Image class that wraps a ID3D11Texture2D. This class copies the image
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// passed into SetData(), so that it can be accessed from other D3D devices.
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// This class also manages the synchronization of the copy, to ensure the
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// resource is ready to use.
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class D3D11ShareHandleImage final : public Image {
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public:
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D3D11ShareHandleImage(const gfx::IntSize& aSize, const gfx::IntRect& aRect,
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gfx::YUVColorSpace aColorSpace);
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virtual ~D3D11ShareHandleImage() = default;
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bool AllocateTexture(D3D11RecycleAllocator* aAllocator,
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ID3D11Device* aDevice);
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gfx::IntSize GetSize() const override;
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already_AddRefed<gfx::SourceSurface> GetAsSourceSurface() override;
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TextureClient* GetTextureClient(KnowsCompositor* aForwarder) override;
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gfx::IntRect GetPictureRect() const override { return mPictureRect; }
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ID3D11Texture2D* GetTexture() const;
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gfx::YUVColorSpace GetYUVColorSpace() const { return mYUVColorSpace; }
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private:
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friend class gl::GLBlitHelper;
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D3D11TextureData* GetData() const {
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if (!mTextureClient) {
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return nullptr;
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}
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return mTextureClient->GetInternalData()->AsD3D11TextureData();
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}
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gfx::IntSize mSize;
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gfx::IntRect mPictureRect;
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gfx::YUVColorSpace mYUVColorSpace;
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RefPtr<TextureClient> mTextureClient;
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RefPtr<ID3D11Texture2D> mTexture;
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};
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} // namespace layers
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} // namespace mozilla
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#endif // GFX_D3DSURFACEIMAGE_H
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