зеркало из https://github.com/mozilla/gecko-dev.git
87 строки
2.5 KiB
C++
87 строки
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* 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 "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:
|
|
void Disconnect() override;
|
|
|
|
CompositableHost* GetCompositableHost() override;
|
|
|
|
void Destroy() override;
|
|
|
|
Layer* GetLayer() override;
|
|
|
|
void SetLayerManager(HostLayerManager* aManager) override;
|
|
|
|
void RenderLayer(const gfx::IntRect& aClipRect,
|
|
const Maybe<gfx::Polygon>& aGeometry) override;
|
|
|
|
void CleanupResources() override;
|
|
|
|
bool IsOpaque() override;
|
|
|
|
void GenEffectChain(EffectChain& aEffect) override;
|
|
|
|
bool SetCompositableHost(CompositableHost* aHost) override;
|
|
|
|
HostLayer* AsHostLayer() override { return this; }
|
|
|
|
void InvalidateRegion(const nsIntRegion& aRegion) override {
|
|
MOZ_CRASH("PaintedLayerComposites can't fill invalidated regions");
|
|
}
|
|
|
|
const 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 */
|