RenderNode.h revision ff941dcd815021bb20d6504eb486acb1e50592c3
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); 122 123 bool isRenderable() const { 124 return mDisplayListData && mDisplayListData->hasDrawOps; 125 } 126 127 const char* getName() const { 128 return mName.string(); 129 } 130 131 void setName(const char* name) { 132 if (name) { 133 char* lastPeriod = strrchr(name, '.'); 134 if (lastPeriod) { 135 mName.setTo(lastPeriod + 1); 136 } else { 137 mName.setTo(name); 138 } 139 } 140 } 141 142 bool isPropertyFieldDirty(DirtyPropertyMask field) const { 143 return mDirtyPropertyFields & field; 144 } 145 146 void setPropertyFieldsDirty(uint32_t fields) { 147 mDirtyPropertyFields |= fields; 148 } 149 150 const RenderProperties& properties() { 151 return mProperties; 152 } 153 154 RenderProperties& animatorProperties() { 155 return mProperties; 156 } 157 158 const RenderProperties& stagingProperties() { 159 return mStagingProperties; 160 } 161 162 RenderProperties& mutateStagingProperties() { 163 return mStagingProperties; 164 } 165 166 int getWidth() { 167 return properties().getWidth(); 168 } 169 170 int getHeight() { 171 return properties().getHeight(); 172 } 173 174 ANDROID_API virtual void prepareTree(TreeInfo& info); 175 176 // UI thread only! 177 ANDROID_API void addAnimator(const sp<BaseRenderNodeAnimator>& animator) { 178 animator->onAttached(this); 179 mStagingAnimators.insert(animator); 180 mNeedsAnimatorsSync = true; 181 } 182 183 // UI thread only! 184 ANDROID_API void removeAnimator(const sp<BaseRenderNodeAnimator>& animator) { 185 mStagingAnimators.erase(animator); 186 mNeedsAnimatorsSync = true; 187 } 188 189private: 190 typedef key_value_pair_t<float, DrawDisplayListOp*> ZDrawDisplayListOpPair; 191 192 static size_t findNonNegativeIndex(const Vector<ZDrawDisplayListOpPair>& nodes) { 193 for (size_t i = 0; i < nodes.size(); i++) { 194 if (nodes[i].key >= 0.0f) return i; 195 } 196 return nodes.size(); 197 } 198 199 enum ChildrenSelectMode { 200 kNegativeZChildren, 201 kPositiveZChildren 202 }; 203 204 void applyViewPropertyTransforms(mat4& matrix, bool true3dTransform = false); 205 206 void computeOrderingImpl(DrawDisplayListOp* opState, 207 const SkPath* outlineOfProjectionSurface, 208 Vector<DrawDisplayListOp*>* compositedChildrenOfProjectionSurface, 209 const mat4* transformFromProjectionSurface); 210 211 template <class T> 212 inline void setViewProperties(OpenGLRenderer& renderer, T& handler); 213 214 void buildZSortedChildList(Vector<ZDrawDisplayListOpPair>& zTranslatedNodes); 215 216 template<class T> 217 inline void issueDrawShadowOperation(const Matrix4& transformFromParent, T& handler); 218 219 template <class T> 220 inline void issueOperationsOf3dChildren(const Vector<ZDrawDisplayListOpPair>& zTranslatedNodes, 221 ChildrenSelectMode mode, OpenGLRenderer& renderer, T& handler); 222 223 template <class T> 224 inline void issueOperationsOfProjectedChildren(OpenGLRenderer& renderer, T& handler); 225 226 /** 227 * Issue the RenderNode's operations into a handler, recursing for subtrees through 228 * DrawDisplayListOp's defer() or replay() methods 229 */ 230 template <class T> 231 inline void issueOperations(OpenGLRenderer& renderer, T& handler); 232 233 class TextContainer { 234 public: 235 size_t length() const { 236 return mByteLength; 237 } 238 239 const char* text() const { 240 return (const char*) mText; 241 } 242 243 size_t mByteLength; 244 const char* mText; 245 }; 246 247 void prepareTreeImpl(TreeInfo& info); 248 void pushStagingChanges(TreeInfo& info); 249 void evaluateAnimations(TreeInfo& info); 250 void prepareSubTree(TreeInfo& info, DisplayListData* subtree); 251 252 String8 mName; 253 254 uint32_t mDirtyPropertyFields; 255 RenderProperties mProperties; 256 RenderProperties mStagingProperties; 257 258 bool mNeedsDisplayListDataSync; 259 DisplayListData* mDisplayListData; 260 DisplayListData* mStagingDisplayListData; 261 262 bool mNeedsAnimatorsSync; 263 std::set< sp<BaseRenderNodeAnimator> > mStagingAnimators; 264 std::vector< sp<BaseRenderNodeAnimator> > mAnimators; 265 266 /** 267 * Draw time state - these properties are only set and used during rendering 268 */ 269 270 // for projection surfaces, contains a list of all children items 271 Vector<DrawDisplayListOp*> mProjectedNodes; 272}; // class RenderNode 273 274} /* namespace uirenderer */ 275} /* namespace android */ 276 277#endif /* RENDERNODE_H */ 278