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/* -*- 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_ContainerLayerComposite_H
#define GFX_ContainerLayerComposite_H
#include "Layers.h" // for Layer (ptr only), etc
#include "mozilla/Attributes.h" // for override
#include "mozilla/UniquePtr.h" // for UniquePtr
#include "mozilla/layers/LayerManagerComposite.h"
#include "mozilla/gfx/Rect.h"
namespace mozilla {
namespace layers {
class CompositableHost;
class CompositingRenderTarget;
struct PreparedData;
class ContainerLayerComposite : public ContainerLayer,
public LayerComposite
{
template<class ContainerT>
friend void ContainerPrepare(ContainerT* aContainer,
LayerManagerComposite* aManager,
const RenderTargetIntRect& aClipRect);
template<class ContainerT>
friend void ContainerRender(ContainerT* aContainer,
LayerManagerComposite* aManager,
const RenderTargetIntRect& aClipRect);
template<class ContainerT>
friend void RenderLayers(ContainerT* aContainer,
LayerManagerComposite* aManager,
const RenderTargetIntRect& aClipRect);
template<class ContainerT>
friend void RenderIntermediate(ContainerT* aContainer,
LayerManagerComposite* aManager,
const gfx::IntRect& aClipRect,
RefPtr<CompositingRenderTarget> surface);
template<class ContainerT>
friend RefPtr<CompositingRenderTarget>
CreateTemporaryTargetAndCopyFromBackground(ContainerT* aContainer,
LayerManagerComposite* aManager,
const RenderTargetIntRect& aClipRect);
template<class ContainerT>
friend RefPtr<CompositingRenderTarget>
CreateOrRecycleTarget(ContainerT* aContainer,
LayerManagerComposite* aManager,
const RenderTargetIntRect& aClipRect);
template<class ContainerT>
void RenderMinimap(ContainerT* aContainer, LayerManagerComposite* aManager,
const RenderTargetIntRect& aClipRect, Layer* aLayer);
public:
explicit ContainerLayerComposite(LayerManagerComposite *aManager);
protected:
~ContainerLayerComposite();
public:
// LayerComposite Implementation
virtual Layer* GetLayer() override { return this; }
virtual void SetLayerManager(LayerManagerComposite* aManager) override
{
LayerComposite::SetLayerManager(aManager);
mManager = aManager;
mLastIntermediateSurface = nullptr;
}
virtual void Destroy() override;
LayerComposite* GetFirstChildComposite() override;
virtual void RenderLayer(const gfx::IntRect& aClipRect) override;
virtual void Prepare(const RenderTargetIntRect& aClipRect) override;
virtual void ComputeEffectiveTransforms(const gfx::Matrix4x4& aTransformToSurface) override
{
DefaultComputeEffectiveTransforms(aTransformToSurface);
}
virtual void CleanupResources() override;
virtual LayerComposite* AsLayerComposite() override { return this; }
// container layers don't use a compositable
CompositableHost* GetCompositableHost() override { return nullptr; }
// If the layer is marked as scale-to-resolution, add a post-scale
// to the layer's transform equal to the pres shell resolution we're
// scaling to. This cancels out the post scale of '1 / resolution'
// added by Layout. TODO: It would be nice to get rid of both of these
// post-scales.
virtual float GetPostXScale() const override {
if (mScaleToResolution) {
return mPostXScale * mPresShellResolution;
}
return mPostXScale;
}
virtual float GetPostYScale() const override {
if (mScaleToResolution) {
return mPostYScale * mPresShellResolution;
}
return mPostYScale;
}
virtual const char* Name() const override { return "ContainerLayerComposite"; }
UniquePtr<PreparedData> mPrepared;
RefPtr<CompositingRenderTarget> mLastIntermediateSurface;
};
class RefLayerComposite : public RefLayer,
public LayerComposite
{
template<class ContainerT>
friend void ContainerPrepare(ContainerT* aContainer,
LayerManagerComposite* aManager,
const RenderTargetIntRect& aClipRect);
template<class ContainerT>
friend void ContainerRender(ContainerT* aContainer,
LayerManagerComposite* aManager,
const gfx::IntRect& aClipRect);
template<class ContainerT>
friend void RenderLayers(ContainerT* aContainer,
LayerManagerComposite* aManager,
const gfx::IntRect& aClipRect);
template<class ContainerT>
friend void RenderIntermediate(ContainerT* aContainer,
LayerManagerComposite* aManager,
const gfx::IntRect& aClipRect,
RefPtr<CompositingRenderTarget> surface);
template<class ContainerT>
friend RefPtr<CompositingRenderTarget>
CreateTemporaryTargetAndCopyFromBackground(ContainerT* aContainer,
LayerManagerComposite* aManager,
const gfx::IntRect& aClipRect);
template<class ContainerT>
friend RefPtr<CompositingRenderTarget>
CreateTemporaryTarget(ContainerT* aContainer,
LayerManagerComposite* aManager,
const gfx::IntRect& aClipRect);
public:
explicit RefLayerComposite(LayerManagerComposite *aManager);
protected:
~RefLayerComposite();
public:
/** LayerOGL implementation */
Layer* GetLayer() override { return this; }
virtual void SetLayerManager(LayerManagerComposite* aManager) override
{
LayerComposite::SetLayerManager(aManager);
mManager = aManager;
mLastIntermediateSurface = nullptr;
}
void Destroy() override;
LayerComposite* GetFirstChildComposite() override;
virtual void RenderLayer(const gfx::IntRect& aClipRect) override;
virtual void Prepare(const RenderTargetIntRect& aClipRect) override;
virtual void ComputeEffectiveTransforms(const gfx::Matrix4x4& aTransformToSurface) override
{
DefaultComputeEffectiveTransforms(aTransformToSurface);
}
virtual void CleanupResources() override;
virtual LayerComposite* AsLayerComposite() override { return this; }
// ref layers don't use a compositable
CompositableHost* GetCompositableHost() override { return nullptr; }
virtual const char* Name() const override { return "RefLayerComposite"; }
UniquePtr<PreparedData> mPrepared;
RefPtr<CompositingRenderTarget> mLastIntermediateSurface;
};
} // namespace layers
} // namespace mozilla
#endif /* GFX_ContainerLayerComposite_H */
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