michael@0: /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef MOZILLA_GFX_MACIOSURFACETEXTUREHOST_BASIC_H
michael@0: #define MOZILLA_GFX_MACIOSURFACETEXTUREHOST_BASIC_H
michael@0: 
michael@0: #include "mozilla/layers/TextureHostBasic.h"
michael@0: 
michael@0: class MacIOSurface;
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace layers {
michael@0: 
michael@0: class BasicCompositor;
michael@0: 
michael@0: /**
michael@0:  * A texture source meant for use with BasicCompositor.
michael@0:  *
michael@0:  * It does not own any GL texture, and attaches its shared handle to one of
michael@0:  * the compositor's temporary textures when binding.
michael@0:  */
michael@0: class MacIOSurfaceTextureSourceBasic
michael@0:   : public TextureSourceBasic,
michael@0:     public NewTextureSource
michael@0: {
michael@0: public:
michael@0:   MacIOSurfaceTextureSourceBasic(BasicCompositor* aCompositor,
michael@0:                                  MacIOSurface* aSurface);
michael@0:   virtual ~MacIOSurfaceTextureSourceBasic();
michael@0: 
michael@0:   virtual TextureSourceBasic* AsSourceBasic() MOZ_OVERRIDE { return this; }
michael@0: 
michael@0:   virtual gfx::IntSize GetSize() const MOZ_OVERRIDE;
michael@0:   virtual gfx::SurfaceFormat GetFormat() const MOZ_OVERRIDE;
michael@0:   virtual gfx::SourceSurface* GetSurface(gfx::DrawTarget* aTarget) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual void DeallocateDeviceData() MOZ_OVERRIDE { }
michael@0: 
michael@0:   virtual void SetCompositor(Compositor* aCompositor) MOZ_OVERRIDE;
michael@0: 
michael@0: protected:
michael@0:   BasicCompositor* mCompositor;
michael@0:   RefPtr<MacIOSurface> mSurface;
michael@0:   RefPtr<gfx::SourceSurface> mSourceSurface;
michael@0: };
michael@0: 
michael@0: /**
michael@0:  * A TextureHost for shared MacIOSurface
michael@0:  *
michael@0:  * Most of the logic actually happens in MacIOSurfaceTextureSourceBasic.
michael@0:  */
michael@0: class MacIOSurfaceTextureHostBasic : public TextureHost
michael@0: {
michael@0: public:
michael@0:   MacIOSurfaceTextureHostBasic(TextureFlags aFlags,
michael@0:                                const SurfaceDescriptorMacIOSurface& aDescriptor);
michael@0: 
michael@0:   virtual void SetCompositor(Compositor* aCompositor) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual bool Lock() MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual gfx::SurfaceFormat GetFormat() const MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual NewTextureSource* GetTextureSources() MOZ_OVERRIDE
michael@0:   {
michael@0:     return mTextureSource;
michael@0:   }
michael@0: 
michael@0:   virtual TemporaryRef<gfx::DataSourceSurface> GetAsSurface() MOZ_OVERRIDE
michael@0:   {
michael@0:     return nullptr; // XXX - implement this (for MOZ_DUMP_PAINTING)
michael@0:   }
michael@0: 
michael@0:   virtual gfx::IntSize GetSize() const MOZ_OVERRIDE;
michael@0: 
michael@0: #ifdef MOZ_LAYERS_HAVE_LOG
michael@0:   virtual const char* Name() { return "MacIOSurfaceTextureHostBasic"; }
michael@0: #endif
michael@0: 
michael@0: protected:
michael@0:   BasicCompositor* mCompositor;
michael@0:   RefPtr<MacIOSurfaceTextureSourceBasic> mTextureSource;
michael@0:   RefPtr<MacIOSurface> mSurface;
michael@0: };
michael@0: 
michael@0: }
michael@0: }
michael@0: 
michael@0: #endif // MOZILLA_GFX_MACIOSURFACETEXTUREHOSTOGL_BASIC_H