diff options
Diffstat (limited to 'gfx/layers/composite/PaintedLayerComposite.h')
-rw-r--r-- | gfx/layers/composite/PaintedLayerComposite.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/gfx/layers/composite/PaintedLayerComposite.h b/gfx/layers/composite/PaintedLayerComposite.h new file mode 100644 index 000000000..45a89eccf --- /dev/null +++ b/gfx/layers/composite/PaintedLayerComposite.h @@ -0,0 +1,94 @@ +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef GFX_PaintedLayerComposite_H +#define GFX_PaintedLayerComposite_H + +#include "Layers.h" // for Layer (ptr only), etc +#include "mozilla/gfx/Rect.h" +#include "mozilla/Attributes.h" // for override +#include "mozilla/RefPtr.h" // for RefPtr +#include "mozilla/layers/LayerManagerComposite.h" // for LayerComposite, etc +#include "mozilla/layers/LayersTypes.h" // for LayerRenderState, etc +#include "nsDebug.h" // for NS_RUNTIMEABORT +#include "nsRegion.h" // for nsIntRegion +#include "nscore.h" // for nsACString + + +namespace mozilla { +namespace layers { + +/** + * PaintedLayers use ContentHosts for their compsositable host. + * By using different ContentHosts, PaintedLayerComposite support tiled and + * non-tiled PaintedLayers and single or double buffering. + */ + +class CompositableHost; +class ContentHost; + +class PaintedLayerComposite : public PaintedLayer, + public LayerComposite +{ +public: + explicit PaintedLayerComposite(LayerManagerComposite *aManager); + +protected: + virtual ~PaintedLayerComposite(); + +public: + virtual void Disconnect() override; + + virtual LayerRenderState GetRenderState() override; + + CompositableHost* GetCompositableHost() override; + + virtual void Destroy() override; + + virtual Layer* GetLayer() override; + + virtual void SetLayerManager(LayerManagerComposite* aManager) override; + + virtual void RenderLayer(const gfx::IntRect& aClipRect) override; + + virtual void CleanupResources() override; + + virtual void GenEffectChain(EffectChain& aEffect) override; + + virtual bool SetCompositableHost(CompositableHost* aHost) override; + + virtual LayerComposite* AsLayerComposite() override { return this; } + + virtual void InvalidateRegion(const nsIntRegion& aRegion) override + { + NS_RUNTIMEABORT("PaintedLayerComposites can't fill invalidated regions"); + } + + void SetValidRegion(const nsIntRegion& aRegion) + { + MOZ_LAYERS_LOG_IF_SHADOWABLE(this, ("Layer::Mutated(%p) ValidRegion", this)); + mValidRegion = aRegion; + Mutated(); + } + + const virtual gfx::TiledIntRegion& GetInvalidRegion() override; + + MOZ_LAYER_DECL_NAME("PaintedLayerComposite", TYPE_PAINTED) + +protected: + + virtual void PrintInfo(std::stringstream& aStream, const char* aPrefix) override; + +private: + gfx::SamplingFilter GetSamplingFilter() { return gfx::SamplingFilter::LINEAR; } + +private: + RefPtr<ContentHost> mBuffer; +}; + +} // namespace layers +} // namespace mozilla + +#endif /* GFX_PaintedLayerComposite_H */ |