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comparison: gfx/layers/composite/ThebesLayerComposite.h
gfx/layers/composite/ThebesLayerComposite.h
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| 1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef GFX_ThebesLayerComposite_H | |
| 7 #define GFX_ThebesLayerComposite_H | |
| 8 | |
| 9 #include "Layers.h" // for Layer (ptr only), etc | |
| 10 #include "gfxRect.h" // for gfxRect | |
| 11 #include "mozilla/Attributes.h" // for MOZ_OVERRIDE | |
| 12 #include "mozilla/RefPtr.h" // for RefPtr | |
| 13 #include "mozilla/layers/LayerManagerComposite.h" // for LayerComposite, etc | |
| 14 #include "mozilla/layers/LayersTypes.h" // for LayerRenderState, etc | |
| 15 #include "nsDebug.h" // for NS_RUNTIMEABORT | |
| 16 #include "nsRegion.h" // for nsIntRegion | |
| 17 #include "nscore.h" // for nsACString | |
| 18 | |
| 19 struct nsIntPoint; | |
| 20 struct nsIntRect; | |
| 21 | |
| 22 | |
| 23 namespace mozilla { | |
| 24 namespace layers { | |
| 25 | |
| 26 /** | |
| 27 * Thebes layers use ContentHosts for their compsositable host. | |
| 28 * By using different ContentHosts, ThebesLayerComposite support tiled and | |
| 29 * non-tiled Thebes layers and single or double buffering. | |
| 30 */ | |
| 31 | |
| 32 class CompositableHost; | |
| 33 class ContentHost; | |
| 34 class TiledLayerComposer; | |
| 35 | |
| 36 class ThebesLayerComposite : public ThebesLayer, | |
| 37 public LayerComposite | |
| 38 { | |
| 39 public: | |
| 40 ThebesLayerComposite(LayerManagerComposite *aManager); | |
| 41 virtual ~ThebesLayerComposite(); | |
| 42 | |
| 43 virtual void Disconnect() MOZ_OVERRIDE; | |
| 44 | |
| 45 virtual LayerRenderState GetRenderState() MOZ_OVERRIDE; | |
| 46 | |
| 47 CompositableHost* GetCompositableHost() MOZ_OVERRIDE; | |
| 48 | |
| 49 virtual void Destroy() MOZ_OVERRIDE; | |
| 50 | |
| 51 virtual Layer* GetLayer() MOZ_OVERRIDE; | |
| 52 | |
| 53 virtual TiledLayerComposer* GetTiledLayerComposer() MOZ_OVERRIDE; | |
| 54 | |
| 55 virtual void RenderLayer(const nsIntRect& aClipRect) MOZ_OVERRIDE; | |
| 56 | |
| 57 virtual void CleanupResources() MOZ_OVERRIDE; | |
| 58 | |
| 59 virtual bool SetCompositableHost(CompositableHost* aHost) MOZ_OVERRIDE; | |
| 60 | |
| 61 virtual LayerComposite* AsLayerComposite() MOZ_OVERRIDE { return this; } | |
| 62 | |
| 63 void EnsureTiled() { mRequiresTiledProperties = true; } | |
| 64 | |
| 65 virtual void InvalidateRegion(const nsIntRegion& aRegion) | |
| 66 { | |
| 67 NS_RUNTIMEABORT("ThebesLayerComposites can't fill invalidated regions"); | |
| 68 } | |
| 69 | |
| 70 void SetValidRegion(const nsIntRegion& aRegion) | |
| 71 { | |
| 72 MOZ_LAYERS_LOG_IF_SHADOWABLE(this, ("Layer::Mutated(%p) ValidRegion", this)); | |
| 73 mValidRegion = aRegion; | |
| 74 Mutated(); | |
| 75 } | |
| 76 | |
| 77 MOZ_LAYER_DECL_NAME("ThebesLayerComposite", TYPE_THEBES) | |
| 78 | |
| 79 protected: | |
| 80 | |
| 81 virtual nsACString& PrintInfo(nsACString& aTo, const char* aPrefix) MOZ_OVERRIDE; | |
| 82 | |
| 83 private: | |
| 84 CSSToScreenScale GetEffectiveResolution(); | |
| 85 | |
| 86 RefPtr<ContentHost> mBuffer; | |
| 87 bool mRequiresTiledProperties; | |
| 88 }; | |
| 89 | |
| 90 } /* layers */ | |
| 91 } /* mozilla */ | |
| 92 #endif /* GFX_ThebesLayerComposite_H */ |
