TreeInfo.h revision a5dda645da738da7b4ae15e28fa7d93d3b04b94f
1/* 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#ifndef TREEINFO_H 17#define TREEINFO_H 18 19#include <utils/Timers.h> 20 21namespace android { 22namespace uirenderer { 23 24class BaseRenderNodeAnimator; 25class AnimationListener; 26 27class AnimationHook { 28public: 29 virtual void callOnFinished(BaseRenderNodeAnimator* animator, AnimationListener* listener) = 0; 30protected: 31 ~AnimationHook() {} 32}; 33 34struct TreeInfo { 35 // The defaults here should be safe for everyone but DrawFrameTask to use as-is. 36 TreeInfo() 37 : frameTimeMs(0) 38 , animationHook(NULL) 39 , prepareTextures(false) 40 , performStagingPush(true) 41 , evaluateAnimations(false) 42 {} 43 44 nsecs_t frameTimeMs; 45 AnimationHook* animationHook; 46 bool prepareTextures; 47 bool performStagingPush; 48 bool evaluateAnimations; 49 50 struct Out { 51 Out() 52 : hasFunctors(false) 53 , hasAnimations(false) 54 , requiresUiRedraw(false) 55 , canDrawThisFrame(true) 56 {} 57 bool hasFunctors; 58 // This is only updated if evaluateAnimations is true 59 bool hasAnimations; 60 // This is set to true if there is an animation that RenderThread cannot 61 // animate itself, such as if hasFunctors is true 62 // This is only set if hasAnimations is true 63 bool requiresUiRedraw; 64 // This is set to true if draw() can be called this frame 65 // false means that we must delay until the next vsync pulse as frame 66 // production is outrunning consumption 67 // NOTE that if this is false CanvasContext will set either requiresUiRedraw 68 // *OR* will post itself for the next vsync automatically, use this 69 // only to avoid calling draw() 70 bool canDrawThisFrame; 71 } out; 72 73 // TODO: Damage calculations 74}; 75 76} /* namespace uirenderer */ 77} /* namespace android */ 78 79#endif /* TREEINFO_H */ 80