RenderNode.h revision fe5e7b7346a54537b980796ceeca66bfdbd05561
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 RENDERNODE_H 17#define RENDERNODE_H 18 19#ifndef LOG_TAG 20 #define LOG_TAG "OpenGLRenderer" 21#endif 22 23#include <set> 24#include <vector> 25 26#include <SkCamera.h> 27#include <SkMatrix.h> 28 29#include <private/hwui/DrawGlInfo.h> 30 31#include <utils/KeyedVector.h> 32#include <utils/LinearAllocator.h> 33#include <utils/RefBase.h> 34#include <utils/SortedVector.h> 35#include <utils/String8.h> 36#include <utils/Vector.h> 37 38#include <cutils/compiler.h> 39 40#include <androidfw/ResourceTypes.h> 41 42#include "Debug.h" 43#include "Matrix.h" 44#include "DeferredDisplayList.h" 45#include "DisplayList.h" 46#include "RenderProperties.h" 47#include "TreeInfo.h" 48 49class SkBitmap; 50class SkPaint; 51class SkPath; 52class SkRegion; 53 54namespace android { 55namespace uirenderer { 56 57class DeferredDisplayList; 58class DisplayListOp; 59class DisplayListRenderer; 60class OpenGLRenderer; 61class Rect; 62class Layer; 63class SkiaShader; 64 65class ClipRectOp; 66class SaveLayerOp; 67class SaveOp; 68class RestoreToCountOp; 69class DrawDisplayListOp; 70 71/** 72 * Primary class for storing recorded canvas commands, as well as per-View/ViewGroup display properties. 73 * 74 * Recording of canvas commands is somewhat similar to SkPicture, except the canvas-recording 75 * functionality is split between DisplayListRenderer (which manages the recording), DisplayListData 76 * (which holds the actual data), and DisplayList (which holds properties and performs playback onto 77 * a renderer). 78 * 79 * Note that DisplayListData is swapped out from beneath an individual DisplayList when a view's 80 * recorded stream of canvas operations is refreshed. The DisplayList (and its properties) stay 81 * attached. 82 */ 83class RenderNode : public VirtualLightRefBase { 84public: 85 enum DirtyPropertyMask { 86 GENERIC = 1 << 1, 87 TRANSLATION_X = 1 << 2, 88 TRANSLATION_Y = 1 << 3, 89 TRANSLATION_Z = 1 << 4, 90 SCALE_X = 1 << 5, 91 SCALE_Y = 1 << 6, 92 ROTATION = 1 << 7, 93 ROTATION_X = 1 << 8, 94 ROTATION_Y = 1 << 9, 95 X = 1 << 10, 96 Y = 1 << 11, 97 Z = 1 << 12, 98 ALPHA = 1 << 13, 99 }; 100 101 ANDROID_API RenderNode(); 102 ANDROID_API virtual ~RenderNode(); 103 104 // See flags defined in DisplayList.java 105 enum ReplayFlag { 106 kReplayFlag_ClipChildren = 0x1 107 }; 108 109 ANDROID_API static void outputLogBuffer(int fd); 110 111 ANDROID_API void setStagingDisplayList(DisplayListData* newData); 112 113 void computeOrdering(); 114 115 void deferNodeTree(DeferStateStruct& deferStruct); 116 void deferNodeInParent(DeferStateStruct& deferStruct, const int level); 117 118 void replayNodeTree(ReplayStateStruct& replayStruct); 119 void replayNodeInParent(ReplayStateStruct& replayStruct, const int level); 120 121 ANDROID_API void output(uint32_t level = 1); 122 ANDROID_API int getDebugSize(); 123 124 bool isRenderable() const { 125 return mDisplayListData && mDisplayListData->hasDrawOps; 126 } 127 128 const char* getName() const { 129 return mName.string(); 130 } 131 132 void setName(const char* name) { 133 if (name) { 134 char* lastPeriod = strrchr(name, '.'); 135 if (lastPeriod) { 136 mName.setTo(lastPeriod + 1); 137 } else { 138 mName.setTo(name); 139 } 140 } 141 } 142 143 bool isPropertyFieldDirty(DirtyPropertyMask field) const { 144 return mDirtyPropertyFields & field; 145 } 146 147 void setPropertyFieldsDirty(uint32_t fields) { 148 mDirtyPropertyFields |= fields; 149 } 150 151 const RenderProperties& properties() { 152 return mProperties; 153 } 154 155 RenderProperties& animatorProperties() { 156 return mProperties; 157 } 158 159 const RenderProperties& stagingProperties() { 160 return mStagingProperties; 161 } 162 163 RenderProperties& mutateStagingProperties() { 164 return mStagingProperties; 165 } 166 167 int getWidth() { 168 return properties().getWidth(); 169 } 170 171 int getHeight() { 172 return properties().getHeight(); 173 } 174 175 ANDROID_API virtual void prepareTree(TreeInfo& info); 176 177 // UI thread only! 178 ANDROID_API void addAnimator(const sp<BaseRenderNodeAnimator>& animator) { 179 animator->onAttached(this); 180 mStagingAnimators.insert(animator); 181 mNeedsAnimatorsSync = true; 182 } 183 184 // UI thread only! 185 ANDROID_API void removeAnimator(const sp<BaseRenderNodeAnimator>& animator) { 186 mStagingAnimators.erase(animator); 187 mNeedsAnimatorsSync = true; 188 } 189 190private: 191 typedef key_value_pair_t<float, DrawDisplayListOp*> ZDrawDisplayListOpPair; 192 193 static size_t findNonNegativeIndex(const Vector<ZDrawDisplayListOpPair>& nodes) { 194 for (size_t i = 0; i < nodes.size(); i++) { 195 if (nodes[i].key >= 0.0f) return i; 196 } 197 return nodes.size(); 198 } 199 200 enum ChildrenSelectMode { 201 kNegativeZChildren, 202 kPositiveZChildren 203 }; 204 205 void applyViewPropertyTransforms(mat4& matrix, bool true3dTransform = false); 206 207 void computeOrderingImpl(DrawDisplayListOp* opState, 208 const SkPath* outlineOfProjectionSurface, 209 Vector<DrawDisplayListOp*>* compositedChildrenOfProjectionSurface, 210 const mat4* transformFromProjectionSurface); 211 212 template <class T> 213 inline void setViewProperties(OpenGLRenderer& renderer, T& handler); 214 215 void buildZSortedChildList(Vector<ZDrawDisplayListOpPair>& zTranslatedNodes); 216 217 template<class T> 218 inline void issueDrawShadowOperation(const Matrix4& transformFromParent, T& handler); 219 220 template <class T> 221 inline void issueOperationsOf3dChildren(const Vector<ZDrawDisplayListOpPair>& zTranslatedNodes, 222 ChildrenSelectMode mode, OpenGLRenderer& renderer, T& handler); 223 224 template <class T> 225 inline void issueOperationsOfProjectedChildren(OpenGLRenderer& renderer, T& handler); 226 227 /** 228 * Issue the RenderNode's operations into a handler, recursing for subtrees through 229 * DrawDisplayListOp's defer() or replay() methods 230 */ 231 template <class T> 232 inline void issueOperations(OpenGLRenderer& renderer, T& handler); 233 234 class TextContainer { 235 public: 236 size_t length() const { 237 return mByteLength; 238 } 239 240 const char* text() const { 241 return (const char*) mText; 242 } 243 244 size_t mByteLength; 245 const char* mText; 246 }; 247 248 void prepareTreeImpl(TreeInfo& info); 249 void pushStagingChanges(TreeInfo& info); 250 void evaluateAnimations(TreeInfo& info); 251 void prepareSubTree(TreeInfo& info, DisplayListData* subtree); 252 253 String8 mName; 254 255 uint32_t mDirtyPropertyFields; 256 RenderProperties mProperties; 257 RenderProperties mStagingProperties; 258 259 bool mNeedsDisplayListDataSync; 260 DisplayListData* mDisplayListData; 261 DisplayListData* mStagingDisplayListData; 262 263 bool mNeedsAnimatorsSync; 264 std::set< sp<BaseRenderNodeAnimator> > mStagingAnimators; 265 std::vector< sp<BaseRenderNodeAnimator> > mAnimators; 266 267 /** 268 * Draw time state - these properties are only set and used during rendering 269 */ 270 271 // for projection surfaces, contains a list of all children items 272 Vector<DrawDisplayListOp*> mProjectedNodes; 273}; // class RenderNode 274 275} /* namespace uirenderer */ 276} /* namespace android */ 277 278#endif /* RENDERNODE_H */ 279