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fc4b3f1b0b
1. Support GenEffectChain() for LayerComposite. Each layer can use this API to gen the EffectChain (only primary effect now) 2. Support GenEffect() for CompositableHost. 3. Move AutoLock to compositeHost.
98 lines
2.9 KiB
C++
98 lines
2.9 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_ThebesLayerComposite_H
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#define GFX_ThebesLayerComposite_H
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#include "Layers.h" // for Layer (ptr only), etc
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#include "gfxRect.h" // for gfxRect
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#include "mozilla/Attributes.h" // for MOZ_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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struct nsIntPoint;
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struct nsIntRect;
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namespace mozilla {
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namespace layers {
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/**
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* Thebes layers use ContentHosts for their compsositable host.
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* By using different ContentHosts, ThebesLayerComposite support tiled and
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* non-tiled Thebes layers 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 TiledLayerComposer;
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class ThebesLayerComposite : public ThebesLayer,
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public LayerComposite
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{
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public:
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ThebesLayerComposite(LayerManagerComposite *aManager);
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virtual ~ThebesLayerComposite();
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virtual void Disconnect() MOZ_OVERRIDE;
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virtual LayerRenderState GetRenderState() MOZ_OVERRIDE;
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CompositableHost* GetCompositableHost() MOZ_OVERRIDE;
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virtual void Destroy() MOZ_OVERRIDE;
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virtual Layer* GetLayer() MOZ_OVERRIDE;
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virtual TiledLayerComposer* GetTiledLayerComposer() MOZ_OVERRIDE;
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virtual void RenderLayer(const nsIntRect& aClipRect) MOZ_OVERRIDE;
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virtual void CleanupResources() MOZ_OVERRIDE;
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virtual void GenEffectChain(EffectChain& aEffect) MOZ_OVERRIDE;
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virtual bool SetCompositableHost(CompositableHost* aHost) MOZ_OVERRIDE;
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virtual LayerComposite* AsLayerComposite() MOZ_OVERRIDE { return this; }
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void EnsureTiled() { mRequiresTiledProperties = true; }
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virtual void InvalidateRegion(const nsIntRegion& aRegion)
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{
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NS_RUNTIMEABORT("ThebesLayerComposites can't fill invalidated regions");
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}
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void SetValidRegion(const nsIntRegion& aRegion)
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{
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MOZ_LAYERS_LOG_IF_SHADOWABLE(this, ("Layer::Mutated(%p) ValidRegion", this));
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mValidRegion = aRegion;
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Mutated();
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}
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MOZ_LAYER_DECL_NAME("ThebesLayerComposite", TYPE_THEBES)
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protected:
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virtual void PrintInfo(std::stringstream& aStream, const char* aPrefix) MOZ_OVERRIDE;
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private:
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gfx::Filter GetEffectFilter() { return gfx::Filter::LINEAR; }
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CSSToScreenScale GetEffectiveResolution();
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private:
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RefPtr<ContentHost> mBuffer;
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bool mRequiresTiledProperties;
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};
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} /* layers */
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} /* mozilla */
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#endif /* GFX_ThebesLayerComposite_H */
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