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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_MACIOSURFACETEXTUREHOST_BASIC_H
#define MOZILLA_GFX_MACIOSURFACETEXTUREHOST_BASIC_H
#include "mozilla/layers/BasicCompositor.h"
#include "mozilla/layers/TextureHostBasic.h"
class MacIOSurface;
namespace mozilla {
namespace layers {
class BasicCompositor;
/**
* A texture source meant for use with BasicCompositor.
*
* It does not own any GL texture, and attaches its shared handle to one of
* the compositor's temporary textures when binding.
*/
class MacIOSurfaceTextureSourceBasic
: public TextureSourceBasic,
public TextureSource
{
public:
MacIOSurfaceTextureSourceBasic(BasicCompositor* aCompositor,
MacIOSurface* aSurface);
virtual ~MacIOSurfaceTextureSourceBasic();
virtual const char* Name() const override { return "MacIOSurfaceTextureSourceBasic"; }
virtual TextureSourceBasic* AsSourceBasic() override { return this; }
virtual gfx::IntSize GetSize() const override;
virtual gfx::SurfaceFormat GetFormat() const override;
virtual gfx::SourceSurface* GetSurface(gfx::DrawTarget* aTarget) override;
virtual void DeallocateDeviceData() override { }
virtual void SetCompositor(Compositor* aCompositor) override;
protected:
RefPtr<BasicCompositor> mCompositor;
RefPtr<MacIOSurface> mSurface;
RefPtr<gfx::SourceSurface> mSourceSurface;
};
/**
* A TextureHost for shared MacIOSurface
*
* Most of the logic actually happens in MacIOSurfaceTextureSourceBasic.
*/
class MacIOSurfaceTextureHostBasic : public TextureHost
{
public:
MacIOSurfaceTextureHostBasic(TextureFlags aFlags,
const SurfaceDescriptorMacIOSurface& aDescriptor);
virtual void SetCompositor(Compositor* aCompositor) override;
virtual Compositor* GetCompositor() override { return mCompositor; }
virtual bool Lock() override;
virtual gfx::SurfaceFormat GetFormat() const override;
virtual bool BindTextureSource(CompositableTextureSourceRef& aTexture) override
{
aTexture = mTextureSource;
return !!aTexture;
}
virtual already_AddRefed<gfx::DataSourceSurface> GetAsSurface() override
{
return nullptr; // XXX - implement this (for MOZ_DUMP_PAINTING)
}
virtual gfx::IntSize GetSize() const override;
#ifdef MOZ_LAYERS_HAVE_LOG
virtual const char* Name() override { return "MacIOSurfaceTextureHostBasic"; }
#endif
protected:
RefPtr<BasicCompositor> mCompositor;
RefPtr<MacIOSurfaceTextureSourceBasic> mTextureSource;
RefPtr<MacIOSurface> mSurface;
};
} // namespace layers
} // namespace mozilla
#endif // MOZILLA_GFX_MACIOSURFACETEXTUREHOSTOGL_BASIC_H
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