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/* -*- 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_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 APZSampler;
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,
const Maybe<gfx::Polygon>& aGeometry);
template <class ContainerT>
friend void RenderLayers(ContainerT* aContainer,
LayerManagerComposite* aManager,
const RenderTargetIntRect& aClipRect,
const Maybe<gfx::Polygon>& aGeometry);
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, const RefPtr<APZSampler>& aSampler,
LayerManagerComposite* aManager,
const RenderTargetIntRect& aClipRect, Layer* aLayer);
public:
explicit ContainerLayerComposite(LayerManagerComposite* aManager);
protected:
virtual ~ContainerLayerComposite();
public:
// LayerComposite Implementation
Layer* GetLayer() override { return this; }
void SetLayerManager(HostLayerManager* aManager) override {
LayerComposite::SetLayerManager(aManager);
mManager = aManager;
mLastIntermediateSurface = nullptr;
}
void Destroy() override;
LayerComposite* GetFirstChildComposite() override;
void Cleanup() override;
void RenderLayer(const gfx::IntRect& aClipRect,
const Maybe<gfx::Polygon>& aGeometry) override;
void Prepare(const RenderTargetIntRect& aClipRect) override;
void ComputeEffectiveTransforms(
const gfx::Matrix4x4& aTransformToSurface) override {
DefaultComputeEffectiveTransforms(aTransformToSurface);
}
const LayerIntRegion& GetShadowVisibleRegion() override;
void CleanupResources() override;
HostLayer* AsHostLayer() override { return this; }
// container layers don't use a compositable
CompositableHost* GetCompositableHost() override { return nullptr; }
// If the layer has a pres shell 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.
float GetPostXScale() const override {
return mSimpleAttrs.GetPostXScale() * mPresShellResolution;
}
float GetPostYScale() const override {
return mSimpleAttrs.GetPostYScale() * mPresShellResolution;
}
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,
const Maybe<gfx::Polygon>& aGeometry);
template <class ContainerT>
friend void RenderLayers(ContainerT* aContainer,
LayerManagerComposite* aManager,
const gfx::IntRect& aClipRect,
const Maybe<gfx::Polygon>& aGeometry);
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:
virtual ~RefLayerComposite();
public:
/** LayerOGL implementation */
Layer* GetLayer() override { return this; }
void SetLayerManager(HostLayerManager* aManager) override {
LayerComposite::SetLayerManager(aManager);
mManager = aManager;
mLastIntermediateSurface = nullptr;
}
void Destroy() override;
LayerComposite* GetFirstChildComposite() override;
void RenderLayer(const gfx::IntRect& aClipRect,
const Maybe<gfx::Polygon>& aGeometry) override;
void Prepare(const RenderTargetIntRect& aClipRect) override;
void ComputeEffectiveTransforms(
const gfx::Matrix4x4& aTransformToSurface) override {
DefaultComputeEffectiveTransforms(aTransformToSurface);
}
const LayerIntRegion& GetShadowVisibleRegion() override;
void Cleanup() override;
void CleanupResources() override;
HostLayer* AsHostLayer() override { return this; }
// ref layers don't use a compositable
CompositableHost* GetCompositableHost() override { return nullptr; }
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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