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