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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 GFX_D3D11_YCBCR_IMAGE_H
#define GFX_D3D11_YCBCR_IMAGE_H
#include "d3d11.h"
#include "mozilla/layers/TextureClientRecycleAllocator.h"
#include "mozilla/Maybe.h"
#include "ImageContainer.h"
namespace mozilla {
namespace gl {
class GLBlitHelper;
}
namespace layers {
class ImageContainer;
class DXGIYCbCrTextureClient;
class DXGIYCbCrTextureData;
class MOZ_RAII DXGIYCbCrTextureAllocationHelper
: public ITextureClientAllocationHelper {
public:
DXGIYCbCrTextureAllocationHelper(const PlanarYCbCrData& aData,
TextureFlags aTextureFlags,
ID3D11Device* aDevice);
bool IsCompatible(TextureClient* aTextureClient) override;
already_AddRefed<TextureClient> Allocate(
KnowsCompositor* aAllocator) override;
protected:
const PlanarYCbCrData& mData;
RefPtr<ID3D11Device> mDevice;
};
class D3D11YCbCrRecycleAllocator : public TextureClientRecycleAllocator {
public:
explicit D3D11YCbCrRecycleAllocator(KnowsCompositor* aKnowsCompositor)
: TextureClientRecycleAllocator(aKnowsCompositor) {}
protected:
already_AddRefed<TextureClient> Allocate(
gfx::SurfaceFormat aFormat, gfx::IntSize aSize, BackendSelector aSelector,
TextureFlags aTextureFlags, TextureAllocationFlags aAllocFlags) override;
};
class D3D11YCbCrImage : public Image {
friend class gl::GLBlitHelper;
public:
D3D11YCbCrImage();
virtual ~D3D11YCbCrImage();
// Copies the surface into a sharable texture's surface, and initializes
// the image.
bool SetData(KnowsCompositor* aAllocator, ImageContainer* aContainer,
const PlanarYCbCrData& aData);
gfx::IntSize GetSize() const override;
already_AddRefed<gfx::SourceSurface> GetAsSourceSurface() override;
nsresult BuildSurfaceDescriptorBuffer(
SurfaceDescriptorBuffer& aSdBuffer, BuildSdbFlags aFlags,
const std::function<MemoryOrShmem(uint32_t)>& aAllocate) override;
TextureClient* GetTextureClient(KnowsCompositor* aKnowsCompositor) override;
gfx::IntRect GetPictureRect() const override { return mPictureRect; }
gfx::IntSize GetYSize() const {
return {mPictureRect.XMost(), mPictureRect.YMost()};
}
gfx::IntSize GetCbCrSize() const {
return ChromaSize(GetYSize(), mChromaSubsampling);
}
private:
nsresult ReadIntoBuffer(
const std::function<nsresult(const PlanarYCbCrData&, const gfx::IntSize&,
gfx::SurfaceFormat)>& aCopy);
const DXGIYCbCrTextureData* GetData() const;
gfx::IntRect mPictureRect;
gfx::ColorDepth mColorDepth;
gfx::YUVColorSpace mColorSpace;
gfx::ColorRange mColorRange;
gfx::ChromaSubsampling mChromaSubsampling;
RefPtr<TextureClient> mTextureClient;
};
} // namespace layers
} // namespace mozilla
#endif // GFX_D3D11_YCBCR_IMAGE_H
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