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/TextureHostOGL.h"
#include "mozilla/layers/ShadowLayerUtilsGralloc.h"
#include <ui/GraphicBuffer.h>
namespace mozilla {
namespace layers {
class GrallocTextureHostOGL;
class GrallocTextureSourceOGL : public NewTextureSource
, public TextureSourceOGL
{
public:
friend class GrallocTextureHostOGL;
GrallocTextureSourceOGL(CompositorOGL* aCompositor,
android::GraphicBuffer* aGraphicBuffer,
gfx::SurfaceFormat aFormat);
virtual ~GrallocTextureSourceOGL();
virtual bool IsValid() const MOZ_OVERRIDE;
virtual void BindTexture(GLenum aTextureUnit) MOZ_OVERRIDE;
virtual void UnbindTexture() MOZ_OVERRIDE {}
virtual gfx::IntSize GetSize() const MOZ_OVERRIDE;
virtual TextureSourceOGL* AsSourceOGL() MOZ_OVERRIDE { return this; }
virtual GLenum GetTextureTarget() const MOZ_OVERRIDE;
virtual gfx::SurfaceFormat GetFormat() const MOZ_OVERRIDE;
virtual GLenum GetWrapMode() const MOZ_OVERRIDE
{
return LOCAL_GL_CLAMP_TO_EDGE;
}
virtual void SetCompositableBackendSpecificData(CompositableBackendSpecificData* aBackendData) MOZ_OVERRIDE;
void DeallocateDeviceData();
gl::GLContext* gl() const;
void SetCompositor(CompositorOGL* aCompositor);
void ForgetBuffer()
{
mGraphicBuffer = nullptr;
}
already_AddRefed<gfxImageSurface> GetAsSurface();
GLuint GetGLTexture();
protected:
CompositorOGL* mCompositor;
android::sp<android::GraphicBuffer> mGraphicBuffer;
EGLImage mEGLImage;
gfx::SurfaceFormat mFormat;
};
class GrallocTextureHostOGL : public TextureHost
{
friend class GrallocBufferActor;
public:
GrallocTextureHostOGL(uint64_t aID,
TextureFlags aFlags,
const NewSurfaceDescriptorGralloc& aDescriptor);
virtual ~GrallocTextureHostOGL();
virtual void Updated(const nsIntRegion* aRegion) MOZ_OVERRIDE {}
virtual bool Lock() MOZ_OVERRIDE;
virtual void Unlock() MOZ_OVERRIDE;
virtual void SetCompositor(Compositor* aCompositor) MOZ_OVERRIDE;
virtual void DeallocateSharedData() MOZ_OVERRIDE;
virtual void DeallocateDeviceData() MOZ_OVERRIDE;
virtual gfx::SurfaceFormat GetFormat() const;
virtual gfx::IntSize GetSize() const MOZ_OVERRIDE { return mSize; }
virtual LayerRenderState GetRenderState() MOZ_OVERRIDE;
virtual NewTextureSource* GetTextureSources() MOZ_OVERRIDE
{
return mTextureSource;
}
virtual already_AddRefed<gfxImageSurface> GetAsSurface() MOZ_OVERRIDE;
virtual void SetCompositableBackendSpecificData(CompositableBackendSpecificData* aBackendData) MOZ_OVERRIDE;
bool IsValid() const;
virtual const char* Name() MOZ_OVERRIDE { return "GrallocTextureHostOGL"; }
private:
GrallocBufferActor* mGrallocActor;
RefPtr<GrallocTextureSourceOGL> mTextureSource;
gfx::IntSize mSize; // See comment in textureClientOGL.h
};
} // namespace layers
} // namespace mozilla
#endif
#endif