RenderNode.h revision a447d29c65fb811cd184775a3476101a1cede929
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 "DamageAccumulator.h" 43#include "Debug.h" 44#include "Matrix.h" 45#include "DeferredDisplayList.h" 46#include "DisplayList.h" 47#include "RenderProperties.h" 48#include "TreeInfo.h" 49 50class SkBitmap; 51class SkPaint; 52class SkPath; 53class SkRegion; 54 55namespace android { 56namespace uirenderer { 57 58class DeferredDisplayList; 59class DisplayListOp; 60class DisplayListRenderer; 61class OpenGLRenderer; 62class Rect; 63class Layer; 64class SkiaShader; 65 66class ClipRectOp; 67class SaveLayerOp; 68class SaveOp; 69class RestoreToCountOp; 70class DrawDisplayListOp; 71 72/** 73 * Primary class for storing recorded canvas commands, as well as per-View/ViewGroup display properties. 74 * 75 * Recording of canvas commands is somewhat similar to SkPicture, except the canvas-recording 76 * functionality is split between DisplayListRenderer (which manages the recording), DisplayListData 77 * (which holds the actual data), and DisplayList (which holds properties and performs playback onto 78 * a renderer). 79 * 80 * Note that DisplayListData is swapped out from beneath an individual DisplayList when a view's 81 * recorded stream of canvas operations is refreshed. The DisplayList (and its properties) stay 82 * attached. 83 */ 84class RenderNode : public VirtualLightRefBase { 85public: 86 enum DirtyPropertyMask { 87 GENERIC = 1 << 1, 88 TRANSLATION_X = 1 << 2, 89 TRANSLATION_Y = 1 << 3, 90 TRANSLATION_Z = 1 << 4, 91 SCALE_X = 1 << 5, 92 SCALE_Y = 1 << 6, 93 ROTATION = 1 << 7, 94 ROTATION_X = 1 << 8, 95 ROTATION_Y = 1 << 9, 96 X = 1 << 10, 97 Y = 1 << 11, 98 Z = 1 << 12, 99 ALPHA = 1 << 13, 100 }; 101 102 ANDROID_API RenderNode(); 103 ANDROID_API virtual ~RenderNode(); 104 105 // See flags defined in DisplayList.java 106 enum ReplayFlag { 107 kReplayFlag_ClipChildren = 0x1 108 }; 109 110 ANDROID_API static void outputLogBuffer(int fd); 111 112 ANDROID_API void setStagingDisplayList(DisplayListData* newData); 113 114 void computeOrdering(); 115 116 void deferNodeTree(DeferStateStruct& deferStruct); 117 void deferNodeInParent(DeferStateStruct& deferStruct, const int level); 118 119 void replayNodeTree(ReplayStateStruct& replayStruct); 120 void replayNodeInParent(ReplayStateStruct& replayStruct, const int level); 121 122 ANDROID_API void output(uint32_t level = 1); 123 ANDROID_API int getDebugSize(); 124 125 bool isRenderable() const { 126 return mDisplayListData && mDisplayListData->hasDrawOps; 127 } 128 129 bool hasProjectionReceiver() const { 130 return mDisplayListData && mDisplayListData->projectionReceiveIndex >= 0; 131 } 132 133 const char* getName() const { 134 return mName.string(); 135 } 136 137 void setName(const char* name) { 138 if (name) { 139 char* lastPeriod = strrchr(name, '.'); 140 if (lastPeriod) { 141 mName.setTo(lastPeriod + 1); 142 } else { 143 mName.setTo(name); 144 } 145 } 146 } 147 148 bool isPropertyFieldDirty(DirtyPropertyMask field) const { 149 return mDirtyPropertyFields & field; 150 } 151 152 void setPropertyFieldsDirty(uint32_t fields) { 153 mDirtyPropertyFields |= fields; 154 } 155 156 const RenderProperties& properties() const { 157 return mProperties; 158 } 159 160 RenderProperties& animatorProperties() { 161 return mProperties; 162 } 163 164 const RenderProperties& stagingProperties() { 165 return mStagingProperties; 166 } 167 168 RenderProperties& mutateStagingProperties() { 169 return mStagingProperties; 170 } 171 172 int getWidth() { 173 return properties().getWidth(); 174 } 175 176 int getHeight() { 177 return properties().getHeight(); 178 } 179 180 ANDROID_API virtual void prepareTree(TreeInfo& info); 181 182 // UI thread only! 183 ANDROID_API void addAnimator(const sp<BaseRenderNodeAnimator>& animator) { 184 animator->onAttached(this); 185 mStagingAnimators.insert(animator); 186 mNeedsAnimatorsSync = true; 187 } 188 189 // UI thread only! 190 ANDROID_API void removeAnimator(const sp<BaseRenderNodeAnimator>& animator) { 191 mStagingAnimators.erase(animator); 192 mNeedsAnimatorsSync = true; 193 } 194 195protected: 196 virtual void damageSelf(TreeInfo& info); 197 198private: 199 typedef key_value_pair_t<float, DrawDisplayListOp*> ZDrawDisplayListOpPair; 200 201 static size_t findNonNegativeIndex(const Vector<ZDrawDisplayListOpPair>& nodes) { 202 for (size_t i = 0; i < nodes.size(); i++) { 203 if (nodes[i].key >= 0.0f) return i; 204 } 205 return nodes.size(); 206 } 207 208 enum ChildrenSelectMode { 209 kNegativeZChildren, 210 kPositiveZChildren 211 }; 212 213 void applyViewPropertyTransforms(mat4& matrix, bool true3dTransform = false); 214 215 void computeOrderingImpl(DrawDisplayListOp* opState, 216 const SkPath* outlineOfProjectionSurface, 217 Vector<DrawDisplayListOp*>* compositedChildrenOfProjectionSurface, 218 const mat4* transformFromProjectionSurface); 219 220 template <class T> 221 inline void setViewProperties(OpenGLRenderer& renderer, T& handler); 222 223 void buildZSortedChildList(Vector<ZDrawDisplayListOpPair>& zTranslatedNodes); 224 225 template<class T> 226 inline void issueDrawShadowOperation(const Matrix4& transformFromParent, T& handler); 227 228 template <class T> 229 inline void issueOperationsOf3dChildren(const Vector<ZDrawDisplayListOpPair>& zTranslatedNodes, 230 ChildrenSelectMode mode, OpenGLRenderer& renderer, T& handler); 231 232 template <class T> 233 inline void issueOperationsOfProjectedChildren(OpenGLRenderer& renderer, T& handler); 234 235 /** 236 * Issue the RenderNode's operations into a handler, recursing for subtrees through 237 * DrawDisplayListOp's defer() or replay() methods 238 */ 239 template <class T> 240 inline void issueOperations(OpenGLRenderer& renderer, T& handler); 241 242 class TextContainer { 243 public: 244 size_t length() const { 245 return mByteLength; 246 } 247 248 const char* text() const { 249 return (const char*) mText; 250 } 251 252 size_t mByteLength; 253 const char* mText; 254 }; 255 256 void prepareTreeImpl(TreeInfo& info); 257 void pushStagingChanges(TreeInfo& info); 258 void evaluateAnimations(TreeInfo& info); 259 void prepareSubTree(TreeInfo& info, DisplayListData* subtree); 260 261 String8 mName; 262 263 uint32_t mDirtyPropertyFields; 264 RenderProperties mProperties; 265 RenderProperties mStagingProperties; 266 267 bool mNeedsDisplayListDataSync; 268 DisplayListData* mDisplayListData; 269 DisplayListData* mStagingDisplayListData; 270 271 bool mNeedsAnimatorsSync; 272 std::set< sp<BaseRenderNodeAnimator> > mStagingAnimators; 273 std::vector< sp<BaseRenderNodeAnimator> > mAnimators; 274 275 /** 276 * Draw time state - these properties are only set and used during rendering 277 */ 278 279 // for projection surfaces, contains a list of all children items 280 Vector<DrawDisplayListOp*> mProjectedNodes; 281}; // class RenderNode 282 283} /* namespace uirenderer */ 284} /* namespace android */ 285 286#endif /* RENDERNODE_H */ 287