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87 lines
2.6 KiB
C++
87 lines
2.6 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 GFX_PaintedLayerComposite_H
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#define GFX_PaintedLayerComposite_H
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#include "Layers.h" // for Layer (ptr only), etc
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#include "mozilla/gfx/Rect.h"
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#include "mozilla/Attributes.h" // for override
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#include "mozilla/RefPtr.h" // for RefPtr
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#include "mozilla/layers/LayerManagerComposite.h" // for LayerComposite, etc
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#include "mozilla/layers/LayersTypes.h" // for LayerRenderState, etc
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#include "nsDebug.h" // for NS_RUNTIMEABORT
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#include "nsRegion.h" // for nsIntRegion
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#include "nscore.h" // for nsACString
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namespace mozilla {
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namespace layers {
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/**
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* PaintedLayers use ContentHosts for their compsositable host.
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* By using different ContentHosts, PaintedLayerComposite support tiled and
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* non-tiled PaintedLayers and single or double buffering.
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*/
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class CompositableHost;
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class ContentHost;
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class PaintedLayerComposite : public PaintedLayer,
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public LayerComposite
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{
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public:
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explicit PaintedLayerComposite(LayerManagerComposite *aManager);
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protected:
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virtual ~PaintedLayerComposite();
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public:
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virtual void Disconnect() override;
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CompositableHost* GetCompositableHost() override;
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virtual void Destroy() override;
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virtual Layer* GetLayer() override;
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virtual void SetLayerManager(HostLayerManager* aManager) override;
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virtual void RenderLayer(const gfx::IntRect& aClipRect,
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const Maybe<gfx::Polygon>& aGeometry) override;
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virtual void CleanupResources() override;
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virtual void GenEffectChain(EffectChain& aEffect) override;
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virtual bool SetCompositableHost(CompositableHost* aHost) override;
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virtual HostLayer* AsHostLayer() override { return this; }
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virtual void InvalidateRegion(const nsIntRegion& aRegion) override
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{
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MOZ_CRASH("PaintedLayerComposites can't fill invalidated regions");
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}
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const virtual gfx::TiledIntRegion& GetInvalidRegion() override;
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MOZ_LAYER_DECL_NAME("PaintedLayerComposite", TYPE_PAINTED)
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protected:
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virtual void PrintInfo(std::stringstream& aStream, const char* aPrefix) override;
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private:
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gfx::SamplingFilter GetSamplingFilter() { return gfx::SamplingFilter::LINEAR; }
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private:
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RefPtr<ContentHost> mBuffer;
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};
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} // namespace layers
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} // namespace mozilla
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#endif /* GFX_PaintedLayerComposite_H */
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