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341383c413
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
89 lines
2.5 KiB
C++
89 lines
2.5 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 "ImageContainer.h"
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#include "mozilla/ipc/Shmem.h"
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#include "mozilla/ipc/SharedMemory.h"
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#include "mozilla/layers/ISurfaceAllocator.h"
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#ifndef MOZILLA_LAYERS_SHAREDPLANARYCBCRIMAGE_H
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#define MOZILLA_LAYERS_SHAREDPLANARYCBCRIMAGE_H
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namespace mozilla {
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namespace layers {
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class ImageClient;
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class SharedPlanarYCbCrImage : public PlanarYCbCrImage
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{
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public:
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SharedPlanarYCbCrImage(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(SharedPlanarYCbCrImage);
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}
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~SharedPlanarYCbCrImage();
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virtual SharedPlanarYCbCrImage* AsSharedPlanarYCbCrImage() 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 PlanarYCbCrImage::Data& aData) MOZ_OVERRIDE;
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virtual void SetDataNoCopy(const Data &aData) MOZ_OVERRIDE;
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virtual bool Allocate(PlanarYCbCrImage::Data& 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 SharedPlanarYCbCrImage.
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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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* SharedPlanarYCbCrImage).
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*/
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bool DropToSurfaceDescriptor(SurfaceDescriptor& aResult);
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/**
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* Returns a SharedPlanarYCbCrImage* iff the descriptor was initialized with
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* ToSurfaceDescriptor.
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*/
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static SharedPlanarYCbCrImage* 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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} // namespace
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} // namespace
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#endif
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