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129 lines
4.1 KiB
C++
129 lines
4.1 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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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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#include <stdint.h> // for uint8_t, uint32_t
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#include "ImageContainer.h" // for PlanarYCbCrImage, etc
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#include "mozilla/Attributes.h" // for MOZ_OVERRIDE
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#include "mozilla/RefPtr.h" // for RefPtr
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#include "mozilla/ipc/Shmem.h" // for Shmem
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#include "nsCOMPtr.h" // for already_AddRefed
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#include "nsDebug.h" // for NS_WARNING
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#include "nsTraceRefcnt.h" // for MOZ_COUNT_CTOR
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class gfxASurface;
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#ifndef MOZILLA_LAYERS_DeprecatedSharedPlanarYCbCrImage_H
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#define MOZILLA_LAYERS_DeprecatedSharedPlanarYCbCrImage_H
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namespace mozilla {
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namespace layers {
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class BufferTextureClient;
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class ImageClient;
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class ISurfaceAllocator;
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class SurfaceDescriptor;
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class TextureClient;
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// XXX - This class will be removed along with DeprecatedImageClient
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class DeprecatedSharedPlanarYCbCrImage : public PlanarYCbCrImage
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{
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public:
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DeprecatedSharedPlanarYCbCrImage(ISurfaceAllocator* aAllocator)
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: PlanarYCbCrImage(nullptr)
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, mSurfaceAllocator(aAllocator), mAllocated(false)
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{
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MOZ_COUNT_CTOR(DeprecatedSharedPlanarYCbCrImage);
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}
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~DeprecatedSharedPlanarYCbCrImage();
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virtual DeprecatedSharedPlanarYCbCrImage* AsDeprecatedSharedPlanarYCbCrImage() MOZ_OVERRIDE
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{
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return this;
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}
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virtual already_AddRefed<gfxASurface> GetAsSurface() MOZ_OVERRIDE
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{
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if (!mAllocated) {
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NS_WARNING("Can't get as surface");
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return nullptr;
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}
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return PlanarYCbCrImage::GetAsSurface();
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}
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virtual void SetData(const PlanarYCbCrData& aData) MOZ_OVERRIDE;
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virtual void SetDataNoCopy(const Data &aData) MOZ_OVERRIDE;
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virtual bool Allocate(PlanarYCbCrData& aData);
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virtual uint8_t* AllocateBuffer(uint32_t aSize) MOZ_OVERRIDE;
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// needs to be overriden because the parent class sets mBuffer which we
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// do not want to happen.
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uint8_t* AllocateAndGetNewBuffer(uint32_t aSize) MOZ_OVERRIDE;
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virtual bool IsValid() MOZ_OVERRIDE {
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return mAllocated;
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}
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/**
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* Setup the Surface descriptor to contain this image's shmem, while keeping
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* ownership of the shmem.
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* if the operation succeeds, return true and AddRef this DeprecatedSharedPlanarYCbCrImage.
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*/
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bool ToSurfaceDescriptor(SurfaceDescriptor& aResult);
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/**
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* Setup the Surface descriptor to contain this image's shmem, and loose
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* ownership of the shmem.
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* if the operation succeeds, return true (and does _not_ AddRef this
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* DeprecatedSharedPlanarYCbCrImage).
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*/
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bool DropToSurfaceDescriptor(SurfaceDescriptor& aResult);
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/**
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* Returns a DeprecatedSharedPlanarYCbCrImage* iff the descriptor was initialized with
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* ToSurfaceDescriptor.
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*/
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static DeprecatedSharedPlanarYCbCrImage* FromSurfaceDescriptor(const SurfaceDescriptor& aDesc);
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private:
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ipc::Shmem mShmem;
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ISurfaceAllocator* mSurfaceAllocator;
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bool mAllocated;
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};
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class SharedPlanarYCbCrImage : public PlanarYCbCrImage
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, public ISharedImage
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{
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public:
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SharedPlanarYCbCrImage(ImageClient* aCompositable);
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~SharedPlanarYCbCrImage();
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virtual ISharedImage* AsSharedImage() MOZ_OVERRIDE { return this; }
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virtual TextureClient* GetTextureClient() MOZ_OVERRIDE;
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virtual uint8_t* GetBuffer() MOZ_OVERRIDE;
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virtual already_AddRefed<gfxASurface> GetAsSurface() MOZ_OVERRIDE;
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virtual void SetData(const PlanarYCbCrData& aData) MOZ_OVERRIDE;
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virtual void SetDataNoCopy(const Data &aData) MOZ_OVERRIDE;
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virtual bool Allocate(PlanarYCbCrData& aData);
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virtual uint8_t* AllocateBuffer(uint32_t aSize) MOZ_OVERRIDE;
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// needs to be overriden because the parent class sets mBuffer which we
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// do not want to happen.
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virtual uint8_t* AllocateAndGetNewBuffer(uint32_t aSize) MOZ_OVERRIDE;
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virtual bool IsValid() MOZ_OVERRIDE;
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private:
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RefPtr<BufferTextureClient> mTextureClient;
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RefPtr<ImageClient> mCompositable;
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};
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} // namespace
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} // namespace
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#endif
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