зеркало из https://github.com/mozilla/gecko-dev.git
95 строки
2.7 KiB
C++
95 строки
2.7 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_D3D11_YCBCR_IMAGE_H
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#define GFX_D3D11_YCBCR_IMAGE_H
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#include "d3d11.h"
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#include "mozilla/layers/TextureClientRecycleAllocator.h"
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#include "mozilla/Maybe.h"
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#include "ImageContainer.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 ImageContainer;
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class DXGIYCbCrTextureClient;
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class DXGIYCbCrTextureData;
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class MOZ_RAII DXGIYCbCrTextureAllocationHelper
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: public ITextureClientAllocationHelper {
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public:
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DXGIYCbCrTextureAllocationHelper(const PlanarYCbCrData& aData,
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TextureFlags aTextureFlags,
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ID3D11Device* aDevice);
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bool IsCompatible(TextureClient* aTextureClient) override;
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already_AddRefed<TextureClient> Allocate(
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KnowsCompositor* aAllocator) override;
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protected:
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const PlanarYCbCrData& mData;
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RefPtr<ID3D11Device> mDevice;
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};
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class D3D11YCbCrRecycleAllocator : public TextureClientRecycleAllocator {
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public:
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explicit D3D11YCbCrRecycleAllocator(KnowsCompositor* aKnowsCompositor)
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: TextureClientRecycleAllocator(aKnowsCompositor) {}
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protected:
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already_AddRefed<TextureClient> Allocate(
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gfx::SurfaceFormat aFormat, gfx::IntSize aSize, BackendSelector aSelector,
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TextureFlags aTextureFlags, TextureAllocationFlags aAllocFlags) override;
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};
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class D3D11YCbCrImage : public Image {
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friend class gl::GLBlitHelper;
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public:
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D3D11YCbCrImage();
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virtual ~D3D11YCbCrImage();
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// Copies the surface into a sharable texture's surface, and initializes
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// the image.
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bool SetData(KnowsCompositor* aAllocator, ImageContainer* aContainer,
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const PlanarYCbCrData& aData);
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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* aKnowsCompositor) override;
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gfx::IntRect GetPictureRect() const override { return mPictureRect; }
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gfx::IntSize GetYSize() const {
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return {mPictureRect.XMost(), mPictureRect.YMost()};
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}
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gfx::IntSize GetCbCrSize() const {
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return ChromaSize(GetYSize(), mChromaSubsampling);
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}
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private:
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const DXGIYCbCrTextureData* GetData() const;
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gfx::IntRect mPictureRect;
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gfx::ColorDepth mColorDepth;
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gfx::YUVColorSpace mColorSpace;
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gfx::ColorRange mColorRange;
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gfx::ChromaSubsampling mChromaSubsampling;
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RefPtr<TextureClient> mTextureClient;
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};
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} // namespace layers
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} // namespace mozilla
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#endif // GFX_D3D11_YCBCR_IMAGE_H
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