gecko/gfx/layers/ipc/SharedPlanarYCbCrImage.h
Bas Schouten 341383c413 Bug 825928: Land layers refactoring. r=jrmuizel,bas,nical,mattwoodrow,roc,nrc,benwa,bjacob,jgilbert,kchen CLOSED TREE
Please contact Bas Schouten <bschouten@mozilla.com>, Nicolas Silva <nsilva@mozilla.com> or Nicholas Cameron <ncameron@mozilla.com> with general questions. Below is a rough list of authors to contact with specific questions.

Authors:
gfx/layers/Compositor.* gfx/layers/Effects.h - Compositor Interface - bas,nrc,nical
gfx/layers/d3d* - D3D9/D3D10 - bas
gfx/layers/ThebesLayer* - ThebesLayers - nrc,bas
gfx/layers/composite/* - CompositeLayers - nrc,nical
gfx/layers/client/* - Client - nrc,nical,bas
gfx/layers/*Image* - nical
gfx/layers/ipc ipc - IPC - nical
gfx/layers/opengl - CompositorOGL - nrc,nical
gfx/2d - bas,nrc
gfx/gl - GLContext - bjacob
dom/* layout/* - DOM - mattwoodrow
2013-04-10 09:20:52 +00:00

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2.5 KiB
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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* 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/. */
#include "ImageContainer.h"
#include "mozilla/ipc/Shmem.h"
#include "mozilla/ipc/SharedMemory.h"
#include "mozilla/layers/ISurfaceAllocator.h"
#ifndef MOZILLA_LAYERS_SHAREDPLANARYCBCRIMAGE_H
#define MOZILLA_LAYERS_SHAREDPLANARYCBCRIMAGE_H
namespace mozilla {
namespace layers {
class ImageClient;
class SharedPlanarYCbCrImage : public PlanarYCbCrImage
{
public:
SharedPlanarYCbCrImage(ISurfaceAllocator* aAllocator)
: PlanarYCbCrImage(nullptr)
, mSurfaceAllocator(aAllocator), mAllocated(false)
{
MOZ_COUNT_CTOR(SharedPlanarYCbCrImage);
}
~SharedPlanarYCbCrImage();
virtual SharedPlanarYCbCrImage* AsSharedPlanarYCbCrImage() MOZ_OVERRIDE
{
return this;
}
virtual already_AddRefed<gfxASurface> GetAsSurface() MOZ_OVERRIDE
{
if (!mAllocated) {
NS_WARNING("Can't get as surface");
return nullptr;
}
return PlanarYCbCrImage::GetAsSurface();
}
virtual void SetData(const PlanarYCbCrImage::Data& aData) MOZ_OVERRIDE;
virtual void SetDataNoCopy(const Data &aData) MOZ_OVERRIDE;
virtual bool Allocate(PlanarYCbCrImage::Data& aData);
virtual uint8_t* AllocateBuffer(uint32_t aSize) MOZ_OVERRIDE;
// needs to be overriden because the parent class sets mBuffer which we
// do not want to happen.
uint8_t* AllocateAndGetNewBuffer(uint32_t aSize) MOZ_OVERRIDE;
virtual bool IsValid() MOZ_OVERRIDE {
return mAllocated;
}
/**
* Setup the Surface descriptor to contain this image's shmem, while keeping
* ownership of the shmem.
* if the operation succeeds, return true and AddRef this SharedPlanarYCbCrImage.
*/
bool ToSurfaceDescriptor(SurfaceDescriptor& aResult);
/**
* Setup the Surface descriptor to contain this image's shmem, and loose
* ownership of the shmem.
* if the operation succeeds, return true (and does _not_ AddRef this
* SharedPlanarYCbCrImage).
*/
bool DropToSurfaceDescriptor(SurfaceDescriptor& aResult);
/**
* Returns a SharedPlanarYCbCrImage* iff the descriptor was initialized with
* ToSurfaceDescriptor.
*/
static SharedPlanarYCbCrImage* FromSurfaceDescriptor(const SurfaceDescriptor& aDesc);
private:
ipc::Shmem mShmem;
ISurfaceAllocator* mSurfaceAllocator;
bool mAllocated;
};
} // namespace
} // namespace
#endif