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John Reck23b797a2014-01-03 18:08:34 -08001/*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef CANVASCONTEXT_H_
18#define CANVASCONTEXT_H_
19
20#include <cutils/compiler.h>
21#include <EGL/egl.h>
John Reck19b6bcf2014-02-14 20:03:38 -080022#include <SkBitmap.h>
John Reck4f02bf42014-01-03 18:09:17 -080023#include <utils/Functor.h>
John Reck19b6bcf2014-02-14 20:03:38 -080024#include <utils/Vector.h>
John Reck4f02bf42014-01-03 18:09:17 -080025
26#include "RenderTask.h"
27
28#define FUNCTOR_PROCESS_DELAY 4
John Reck23b797a2014-01-03 18:08:34 -080029
30namespace android {
31namespace uirenderer {
John Reck4f02bf42014-01-03 18:09:17 -080032
John Reck19b6bcf2014-02-14 20:03:38 -080033class DeferredLayerUpdater;
John Recke18264b2014-03-12 13:56:30 -070034class RenderNode;
John Reck44fd8d22014-02-26 11:00:11 -080035class DisplayListData;
John Reck4f02bf42014-01-03 18:09:17 -080036class OpenGLRenderer;
37class Rect;
John Reck1949e792014-04-08 15:18:56 -070038class Layer;
John Reck4f02bf42014-01-03 18:09:17 -080039
John Reck23b797a2014-01-03 18:08:34 -080040namespace renderthread {
41
42class GlobalContext;
John Reck4f02bf42014-01-03 18:09:17 -080043class CanvasContext;
44class RenderThread;
45
John Reck23b797a2014-01-03 18:08:34 -080046// This per-renderer class manages the bridge between the global EGL context
47// and the render surface.
48class CanvasContext {
49public:
John Reck4f02bf42014-01-03 18:09:17 -080050 CanvasContext(bool translucent);
51 ~CanvasContext();
John Reck23b797a2014-01-03 18:08:34 -080052
John Reck4f02bf42014-01-03 18:09:17 -080053 bool initialize(EGLNativeWindowType window);
54 void updateSurface(EGLNativeWindowType window);
John Reckf7d9c1d2014-04-09 10:01:03 -070055 void pauseSurface(EGLNativeWindowType window);
John Reck4f02bf42014-01-03 18:09:17 -080056 void setup(int width, int height);
John Reckf4198b72014-04-09 17:00:04 -070057 void processLayerUpdates(const Vector<DeferredLayerUpdater*>* layerUpdaters, bool* hasFunctors);
John Recke18264b2014-03-12 13:56:30 -070058 void drawDisplayList(RenderNode* displayList, Rect* dirty);
John Reck4f02bf42014-01-03 18:09:17 -080059 void destroyCanvas();
John Reck23b797a2014-01-03 18:08:34 -080060
John Reck19b6bcf2014-02-14 20:03:38 -080061 bool copyLayerInto(DeferredLayerUpdater* layer, SkBitmap* bitmap);
62
John Reck0d1f6342014-03-28 20:30:27 -070063 void invokeFunctor(Functor* functor);
John Reck23b797a2014-01-03 18:08:34 -080064
John Reckfc53ef272014-02-11 10:40:25 -080065 void runWithGlContext(RenderTask* task);
66
John Reck1949e792014-04-08 15:18:56 -070067 Layer* createRenderLayer(int width, int height);
68 Layer* createTextureLayer();
69
John Reck23b797a2014-01-03 18:08:34 -080070private:
John Reck4f02bf42014-01-03 18:09:17 -080071 void setSurface(EGLNativeWindowType window);
72 void swapBuffers();
John Reckf7d9c1d2014-04-09 10:01:03 -070073 void requireSurface();
John Reck4f02bf42014-01-03 18:09:17 -080074
John Reck19b6bcf2014-02-14 20:03:38 -080075 void requireGlContext();
76
John Reck23b797a2014-01-03 18:08:34 -080077 GlobalContext* mGlobalContext;
John Reck4f02bf42014-01-03 18:09:17 -080078 RenderThread& mRenderThread;
John Reck23b797a2014-01-03 18:08:34 -080079 EGLSurface mEglSurface;
80 bool mDirtyRegionsEnabled;
John Reck4f02bf42014-01-03 18:09:17 -080081
82 bool mOpaque;
83 OpenGLRenderer* mCanvas;
84 bool mHaveNewSurface;
John Reck23b797a2014-01-03 18:08:34 -080085};
86
87} /* namespace renderthread */
88} /* namespace uirenderer */
89} /* namespace android */
90#endif /* CANVASCONTEXT_H_ */