99 lines
2.7 KiB
C++
99 lines
2.7 KiB
C++
/*
|
|
* Copyright (C) 2014 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.
|
|
*/
|
|
#ifndef DRAWFRAMETASK_H
|
|
#define DRAWFRAMETASK_H
|
|
|
|
#include <utils/Condition.h>
|
|
#include <utils/Mutex.h>
|
|
#include <utils/Vector.h>
|
|
|
|
#include "RenderTask.h"
|
|
|
|
#include "../Rect.h"
|
|
|
|
namespace android {
|
|
namespace uirenderer {
|
|
|
|
class DeferredLayerUpdater;
|
|
class DisplayListData;
|
|
class RenderNode;
|
|
|
|
namespace renderthread {
|
|
|
|
class CanvasContext;
|
|
class RenderThread;
|
|
|
|
struct SetDisplayListData {
|
|
RenderNode* targetNode;
|
|
DisplayListData* newData;
|
|
};
|
|
|
|
/*
|
|
* This is a special Super Task. It is re-used multiple times by RenderProxy,
|
|
* and contains state (such as layer updaters & new DisplayListDatas) that is
|
|
* tracked across many frames not just a single frame.
|
|
* It is the sync-state task, and will kick off the post-sync draw
|
|
*/
|
|
class DrawFrameTask : public RenderTask {
|
|
public:
|
|
DrawFrameTask();
|
|
virtual ~DrawFrameTask();
|
|
|
|
void setContext(CanvasContext* context);
|
|
|
|
void setDisplayListData(RenderNode* renderNode, DisplayListData* newData);
|
|
void addLayer(DeferredLayerUpdater* layer);
|
|
void removeLayer(DeferredLayerUpdater* layer);
|
|
|
|
void setRenderNode(RenderNode* renderNode);
|
|
void setDirty(int left, int top, int right, int bottom);
|
|
void drawFrame(RenderThread* renderThread);
|
|
|
|
virtual void run();
|
|
|
|
private:
|
|
void syncFrameState();
|
|
void unblockUiThread();
|
|
static void drawRenderNode(CanvasContext* context, RenderNode* renderNode, Rect* dirty);
|
|
|
|
// This checks to see if there are any drawGlFunctors which would require
|
|
// a synchronous drawRenderNode()
|
|
static bool requiresSynchronousDraw(RenderNode* renderNode);
|
|
|
|
Mutex mLock;
|
|
Condition mSignal;
|
|
|
|
CanvasContext* mContext;
|
|
|
|
/*********************************************
|
|
* Single frame data
|
|
*********************************************/
|
|
RenderNode* mRenderNode;
|
|
Rect mDirty;
|
|
Vector<SetDisplayListData> mDisplayListDataUpdates;
|
|
|
|
/*********************************************
|
|
* Multi frame data
|
|
*********************************************/
|
|
Vector<DeferredLayerUpdater*> mLayers;
|
|
};
|
|
|
|
} /* namespace renderthread */
|
|
} /* namespace uirenderer */
|
|
} /* namespace android */
|
|
|
|
#endif /* DRAWFRAMETASK_H */
|