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/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <SkCamera.h>
#include <SkDrawable.h>
#include <SkMatrix.h>
#include <private/hwui/DrawGlInfo.h>
#include <utils/KeyedVector.h>
#include <utils/LinearAllocator.h>
#include <utils/RefBase.h>
#include <utils/SortedVector.h>
#include <utils/String8.h>
#include <cutils/compiler.h>
#include <androidfw/ResourceTypes.h>
#include "Debug.h"
#include "CanvasProperty.h"
#include "GlFunctorLifecycleListener.h"
#include "Matrix.h"
#include "RenderProperties.h"
#include "TreeInfo.h"
#include "hwui/Bitmap.h"
#include <vector>
class SkBitmap;
class SkPaint;
class SkPath;
class SkRegion;
namespace android {
namespace uirenderer {
class Rect;
class Layer;
struct RecordedOp;
struct RenderNodeOp;
typedef RecordedOp BaseOpType;
typedef RenderNodeOp NodeOpType;
namespace VectorDrawable {
class Tree;
};
typedef uirenderer::VectorDrawable::Tree VectorDrawableRoot;
struct FunctorContainer {
Functor* functor;
GlFunctorLifecycleListener* listener;
};
/**
* Data structure that holds the list of commands used in display list stream
*/
class DisplayList {
friend class RecordingCanvas;
public:
struct Chunk {
// range of included ops in DisplayList::ops()
size_t beginOpIndex;
size_t endOpIndex;
// range of included children in DisplayList::children()
size_t beginChildIndex;
size_t endChildIndex;
// whether children with non-zero Z in the chunk should be reordered
bool reorderChildren;
// clip at the beginning of a reorder section, applied to reordered children
const ClipBase* reorderClip;
};
DisplayList();
virtual ~DisplayList();
// index of DisplayListOp restore, after which projected descendants should be drawn
int projectionReceiveIndex;
const LsaVector<Chunk>& getChunks() const { return chunks; }
const LsaVector<BaseOpType*>& getOps() const { return ops; }
const LsaVector<NodeOpType*>& getChildren() const { return children; }
const LsaVector<sk_sp<Bitmap>>& getBitmapResources() const { return bitmapResources; }
size_t addChild(NodeOpType* childOp);
void ref(VirtualLightRefBase* prop) {
referenceHolders.push_back(prop);
}
size_t getUsedSize() {
return allocator.usedSize();
}
virtual bool isEmpty() const { return ops.empty(); }
virtual bool hasFunctor() const { return !functors.empty(); }
virtual bool hasVectorDrawables() const { return !vectorDrawables.empty(); }
virtual bool isSkiaDL() const { return false; }
virtual bool reuseDisplayList(RenderNode* node, renderthread::CanvasContext* context) {
return false;
}
virtual void syncContents();
virtual void updateChildren(std::function<void(RenderNode*)> updateFn);
virtual bool prepareListAndChildren(TreeObserver& observer, TreeInfo& info, bool functorsNeedLayer,
std::function<void(RenderNode*, TreeObserver&, TreeInfo&, bool)> childFn);
virtual void output(std::ostream& output, uint32_t level);
protected:
// allocator into which all ops and LsaVector arrays allocated
LinearAllocator allocator;
LinearStdAllocator<void*> stdAllocator;
private:
LsaVector<Chunk> chunks;
LsaVector<BaseOpType*> ops;
// list of Ops referring to RenderNode children for quick, non-drawing traversal
LsaVector<NodeOpType*> children;
// Resources - Skia objects + 9 patches referred to by this DisplayList
LsaVector<sk_sp<Bitmap>> bitmapResources;
LsaVector<const SkPath*> pathResources;
LsaVector<const Res_png_9patch*> patchResources;
LsaVector<std::unique_ptr<const SkPaint>> paints;
LsaVector<std::unique_ptr<const SkRegion>> regions;
LsaVector< sp<VirtualLightRefBase> > referenceHolders;
// List of functors
LsaVector<FunctorContainer> functors;
// List of VectorDrawables that need to be notified of pushStaging. Note that this list gets nothing
// but a callback during sync DisplayList, unlike the list of functors defined above, which
// gets special treatment exclusive for webview.
LsaVector<VectorDrawableRoot*> vectorDrawables;
void cleanupResources();
};
}; // namespace uirenderer
}; // namespace android
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