gecko-dev/gfx/layers/D3D11YCbCrImage.h

84 строки
2.2 KiB
C++

/* -*- 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 D3D11YCbCrRecycleAllocator : public TextureClientRecycleAllocator
{
public:
explicit D3D11YCbCrRecycleAllocator(KnowsCompositor* aAllocator,
ID3D11Device* aDevice)
: TextureClientRecycleAllocator(aAllocator)
, mDevice(aDevice)
{
}
ID3D11Device* GetDevice() const { return mDevice; }
KnowsCompositor* GetAllocator() const { return mSurfaceAllocator; }
protected:
already_AddRefed<TextureClient>
Allocate(gfx::SurfaceFormat aFormat,
gfx::IntSize aSize,
BackendSelector aSelector,
TextureFlags aTextureFlags,
TextureAllocationFlags aAllocFlags) override;
RefPtr<ID3D11Device> mDevice;
};
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;
TextureClient* GetTextureClient(KnowsCompositor* aForwarder) override;
gfx::IntRect GetPictureRect() const override { return mPictureRect; }
private:
const DXGIYCbCrTextureData* GetData() const;
gfx::IntSize mYSize;
gfx::IntSize mCbCrSize;
gfx::IntRect mPictureRect;
YUVColorSpace mColorSpace;
RefPtr<TextureClient> mTextureClient;
};
} // namepace layers
} // namespace mozilla
#endif // GFX_D3D11_YCBCR_IMAGE_H