gecko-dev/gfx/layers/opengl/GrallocTextureHost.h

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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/. */
#ifndef MOZILLA_GFX_GRALLOCTEXTUREHOST_H
#define MOZILLA_GFX_GRALLOCTEXTUREHOST_H
#ifdef MOZ_WIDGET_GONK
#include "mozilla/layers/CompositorOGL.h"
#include "mozilla/layers/TextureHostOGL.h"
#include "mozilla/layers/ShadowLayerUtilsGralloc.h"
#include <ui/GraphicBuffer.h>
namespace mozilla {
namespace layers {
class GrallocTextureHostOGL : public TextureHost
{
friend class GrallocBufferActor;
public:
GrallocTextureHostOGL(TextureFlags aFlags,
const NewSurfaceDescriptorGralloc& aDescriptor);
virtual ~GrallocTextureHostOGL();
virtual bool Lock() override;
virtual void Unlock() override;
virtual void SetCompositor(Compositor* aCompositor) override;
virtual void DeallocateSharedData() override;
virtual void ForgetSharedData() override;
virtual void DeallocateDeviceData() override;
virtual gfx::SurfaceFormat GetFormat() const;
virtual gfx::IntSize GetSize() const override { return mCropSize; }
virtual LayerRenderState GetRenderState() override;
virtual void PrepareTextureSource(CompositableTextureSourceRef& aTextureSource) override;
virtual bool BindTextureSource(CompositableTextureSourceRef& aTextureSource) override;
virtual void UnbindTextureSource() override;
virtual already_AddRefed<gfx::DataSourceSurface> GetAsSurface() override;
virtual void WaitAcquireFenceHandleSyncComplete() override;
virtual void SetCropRect(nsIntRect aCropRect) override;
bool IsValid() const;
virtual const char* Name() override { return "GrallocTextureHostOGL"; }
gl::GLContext* GetGLContext() const { return mCompositor ? mCompositor->gl() : nullptr; }
private:
void DestroyEGLImage();
NewSurfaceDescriptorGralloc mGrallocHandle;
RefPtr<GLTextureSource> mGLTextureSource;
RefPtr<CompositorOGL> mCompositor;
// Size reported by the GraphicBuffer
gfx::IntSize mSize;
// Size reported by TextureClient, can be different in some cases (video?),
// used by LayerRenderState.
gfx::IntSize mCropSize;
gfx::SurfaceFormat mFormat;
EGLImage mEGLImage;
bool mIsOpaque;
};
} // namespace layers
} // namespace mozilla
#endif
#endif