CanvasContext.h revision e45b1fd03b524d2b57cc6c222d89076a31a08bea
123b797ab5151eb2474f3bdd679f2f07bfd723042John Reck/* 223b797ab5151eb2474f3bdd679f2f07bfd723042John Reck * Copyright (C) 2014 The Android Open Source Project 323b797ab5151eb2474f3bdd679f2f07bfd723042John Reck * 423b797ab5151eb2474f3bdd679f2f07bfd723042John Reck * Licensed under the Apache License, Version 2.0 (the "License"); 523b797ab5151eb2474f3bdd679f2f07bfd723042John Reck * you may not use this file except in compliance with the License. 623b797ab5151eb2474f3bdd679f2f07bfd723042John Reck * You may obtain a copy of the License at 723b797ab5151eb2474f3bdd679f2f07bfd723042John Reck * 823b797ab5151eb2474f3bdd679f2f07bfd723042John Reck * http://www.apache.org/licenses/LICENSE-2.0 923b797ab5151eb2474f3bdd679f2f07bfd723042John Reck * 1023b797ab5151eb2474f3bdd679f2f07bfd723042John Reck * Unless required by applicable law or agreed to in writing, software 1123b797ab5151eb2474f3bdd679f2f07bfd723042John Reck * distributed under the License is distributed on an "AS IS" BASIS, 1223b797ab5151eb2474f3bdd679f2f07bfd723042John Reck * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1323b797ab5151eb2474f3bdd679f2f07bfd723042John Reck * See the License for the specific language governing permissions and 1423b797ab5151eb2474f3bdd679f2f07bfd723042John Reck * limitations under the License. 1523b797ab5151eb2474f3bdd679f2f07bfd723042John Reck */ 1623b797ab5151eb2474f3bdd679f2f07bfd723042John Reck 1723b797ab5151eb2474f3bdd679f2f07bfd723042John Reck#ifndef CANVASCONTEXT_H_ 1823b797ab5151eb2474f3bdd679f2f07bfd723042John Reck#define CANVASCONTEXT_H_ 1923b797ab5151eb2474f3bdd679f2f07bfd723042John Reck 2023b797ab5151eb2474f3bdd679f2f07bfd723042John Reck#include <cutils/compiler.h> 2123b797ab5151eb2474f3bdd679f2f07bfd723042John Reck#include <EGL/egl.h> 2219b6bcfd83eb7fb92ebd06d2fec89e308311f1d0John Reck#include <SkBitmap.h> 234f02bf4eef6af47f35c70c4dda5b7b9523d89ca0John Reck#include <utils/Functor.h> 2419b6bcfd83eb7fb92ebd06d2fec89e308311f1d0John Reck#include <utils/Vector.h> 254f02bf4eef6af47f35c70c4dda5b7b9523d89ca0John Reck 26860d155f866cc15a725e7ce03763280987f24901John Reck#include "../RenderNode.h" 274f02bf4eef6af47f35c70c4dda5b7b9523d89ca0John Reck#include "RenderTask.h" 28e45b1fd03b524d2b57cc6c222d89076a31a08beaJohn Reck#include "RenderThread.h" 294f02bf4eef6af47f35c70c4dda5b7b9523d89ca0John Reck 304f02bf4eef6af47f35c70c4dda5b7b9523d89ca0John Reck#define FUNCTOR_PROCESS_DELAY 4 3123b797ab5151eb2474f3bdd679f2f07bfd723042John Reck 3223b797ab5151eb2474f3bdd679f2f07bfd723042John Recknamespace android { 3323b797ab5151eb2474f3bdd679f2f07bfd723042John Recknamespace uirenderer { 344f02bf4eef6af47f35c70c4dda5b7b9523d89ca0John Reck 3519b6bcfd83eb7fb92ebd06d2fec89e308311f1d0John Reckclass DeferredLayerUpdater; 364f02bf4eef6af47f35c70c4dda5b7b9523d89ca0John Reckclass OpenGLRenderer; 374f02bf4eef6af47f35c70c4dda5b7b9523d89ca0John Reckclass Rect; 381949e7928eeec22cd3f74b5f763a4eb433238453John Reckclass Layer; 394f02bf4eef6af47f35c70c4dda5b7b9523d89ca0John Reck 4023b797ab5151eb2474f3bdd679f2f07bfd723042John Recknamespace renderthread { 4123b797ab5151eb2474f3bdd679f2f07bfd723042John Reck 4223b797ab5151eb2474f3bdd679f2f07bfd723042John Reckclass GlobalContext; 434f02bf4eef6af47f35c70c4dda5b7b9523d89ca0John Reck 4423b797ab5151eb2474f3bdd679f2f07bfd723042John Reck// This per-renderer class manages the bridge between the global EGL context 4523b797ab5151eb2474f3bdd679f2f07bfd723042John Reck// and the render surface. 46e45b1fd03b524d2b57cc6c222d89076a31a08beaJohn Reckclass CanvasContext : public IFrameCallback { 4723b797ab5151eb2474f3bdd679f2f07bfd723042John Reckpublic: 48e45b1fd03b524d2b57cc6c222d89076a31a08beaJohn Reck CanvasContext(bool translucent, RenderNode* rootRenderNode); 49e45b1fd03b524d2b57cc6c222d89076a31a08beaJohn Reck virtual ~CanvasContext(); 5023b797ab5151eb2474f3bdd679f2f07bfd723042John Reck 514f02bf4eef6af47f35c70c4dda5b7b9523d89ca0John Reck bool initialize(EGLNativeWindowType window); 524f02bf4eef6af47f35c70c4dda5b7b9523d89ca0John Reck void updateSurface(EGLNativeWindowType window); 53f7d9c1dc84671d4e99657ef071d275700d85bb11John Reck void pauseSurface(EGLNativeWindowType window); 544f02bf4eef6af47f35c70c4dda5b7b9523d89ca0John Reck void setup(int width, int height); 55860d155f866cc15a725e7ce03763280987f24901John Reck void makeCurrent(); 56860d155f866cc15a725e7ce03763280987f24901John Reck void processLayerUpdates(const Vector<DeferredLayerUpdater*>* layerUpdaters, TreeInfo& info); 57e45b1fd03b524d2b57cc6c222d89076a31a08beaJohn Reck void prepareTree(TreeInfo& info); 58e45b1fd03b524d2b57cc6c222d89076a31a08beaJohn Reck void draw(Rect* dirty); 59fae904d63947fe1687d1d44be29234cc3d538f24John Reck void destroyCanvasAndSurface(); 6023b797ab5151eb2474f3bdd679f2f07bfd723042John Reck 61e45b1fd03b524d2b57cc6c222d89076a31a08beaJohn Reck // IFrameCallback, Chroreographer-driven frame callback entry point 62e45b1fd03b524d2b57cc6c222d89076a31a08beaJohn Reck virtual void doFrame(nsecs_t frameTimeNanos); 63e45b1fd03b524d2b57cc6c222d89076a31a08beaJohn Reck 6419b6bcfd83eb7fb92ebd06d2fec89e308311f1d0John Reck bool copyLayerInto(DeferredLayerUpdater* layer, SkBitmap* bitmap); 6519b6bcfd83eb7fb92ebd06d2fec89e308311f1d0John Reck 660d1f634f4b5e1bb37aa51777efb6a68619488d01John Reck void invokeFunctor(Functor* functor); 6723b797ab5151eb2474f3bdd679f2f07bfd723042John Reck 68fc53ef27793a39e9effd829e9cae02a9ca14147eJohn Reck void runWithGlContext(RenderTask* task); 69fc53ef27793a39e9effd829e9cae02a9ca14147eJohn Reck 701949e7928eeec22cd3f74b5f763a4eb433238453John Reck Layer* createRenderLayer(int width, int height); 711949e7928eeec22cd3f74b5f763a4eb433238453John Reck Layer* createTextureLayer(); 721949e7928eeec22cd3f74b5f763a4eb433238453John Reck 7323b797ab5151eb2474f3bdd679f2f07bfd723042John Reckprivate: 744f02bf4eef6af47f35c70c4dda5b7b9523d89ca0John Reck void setSurface(EGLNativeWindowType window); 754f02bf4eef6af47f35c70c4dda5b7b9523d89ca0John Reck void swapBuffers(); 76f7d9c1dc84671d4e99657ef071d275700d85bb11John Reck void requireSurface(); 774f02bf4eef6af47f35c70c4dda5b7b9523d89ca0John Reck 7819b6bcfd83eb7fb92ebd06d2fec89e308311f1d0John Reck void requireGlContext(); 7919b6bcfd83eb7fb92ebd06d2fec89e308311f1d0John Reck 8023b797ab5151eb2474f3bdd679f2f07bfd723042John Reck GlobalContext* mGlobalContext; 814f02bf4eef6af47f35c70c4dda5b7b9523d89ca0John Reck RenderThread& mRenderThread; 8223b797ab5151eb2474f3bdd679f2f07bfd723042John Reck EGLSurface mEglSurface; 8323b797ab5151eb2474f3bdd679f2f07bfd723042John Reck bool mDirtyRegionsEnabled; 844f02bf4eef6af47f35c70c4dda5b7b9523d89ca0John Reck 854f02bf4eef6af47f35c70c4dda5b7b9523d89ca0John Reck bool mOpaque; 864f02bf4eef6af47f35c70c4dda5b7b9523d89ca0John Reck OpenGLRenderer* mCanvas; 874f02bf4eef6af47f35c70c4dda5b7b9523d89ca0John Reck bool mHaveNewSurface; 88e45b1fd03b524d2b57cc6c222d89076a31a08beaJohn Reck 89e45b1fd03b524d2b57cc6c222d89076a31a08beaJohn Reck const sp<RenderNode> mRootRenderNode; 9023b797ab5151eb2474f3bdd679f2f07bfd723042John Reck}; 9123b797ab5151eb2474f3bdd679f2f07bfd723042John Reck 9223b797ab5151eb2474f3bdd679f2f07bfd723042John Reck} /* namespace renderthread */ 9323b797ab5151eb2474f3bdd679f2f07bfd723042John Reck} /* namespace uirenderer */ 9423b797ab5151eb2474f3bdd679f2f07bfd723042John Reck} /* namespace android */ 9523b797ab5151eb2474f3bdd679f2f07bfd723042John Reck#endif /* CANVASCONTEXT_H_ */ 96