RenderNode.cpp revision b49f446c98096c4790a11d9b5bc83a4e585278c9
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 17#define ATRACE_TAG ATRACE_TAG_VIEW 18 19#include "RenderNode.h" 20 21#include <SkCanvas.h> 22#include <algorithm> 23 24#include <utils/Trace.h> 25 26#include "Debug.h" 27#include "DisplayListOp.h" 28#include "DisplayListLogBuffer.h" 29 30namespace android { 31namespace uirenderer { 32 33void RenderNode::outputLogBuffer(int fd) { 34 DisplayListLogBuffer& logBuffer = DisplayListLogBuffer::getInstance(); 35 if (logBuffer.isEmpty()) { 36 return; 37 } 38 39 FILE *file = fdopen(fd, "a"); 40 41 fprintf(file, "\nRecent DisplayList operations\n"); 42 logBuffer.outputCommands(file); 43 44 String8 cachesLog; 45 Caches::getInstance().dumpMemoryUsage(cachesLog); 46 fprintf(file, "\nCaches:\n%s", cachesLog.string()); 47 fprintf(file, "\n"); 48 49 fflush(file); 50} 51 52RenderNode::RenderNode() : mDestroyed(false), mDisplayListData(0) { 53} 54 55RenderNode::~RenderNode() { 56 LOG_ALWAYS_FATAL_IF(mDestroyed, "Double destroyed DisplayList %p", this); 57 58 mDestroyed = true; 59 delete mDisplayListData; 60} 61 62void RenderNode::destroyDisplayListDeferred(RenderNode* displayList) { 63 if (displayList) { 64 DISPLAY_LIST_LOGD("Deferring display list destruction"); 65 Caches::getInstance().deleteDisplayListDeferred(displayList); 66 } 67} 68 69void RenderNode::setData(DisplayListData* data) { 70 delete mDisplayListData; 71 mDisplayListData = data; 72 if (mDisplayListData) { 73 Caches::getInstance().registerFunctors(mDisplayListData->functorCount); 74 } 75} 76 77/** 78 * This function is a simplified version of replay(), where we simply retrieve and log the 79 * display list. This function should remain in sync with the replay() function. 80 */ 81void RenderNode::output(uint32_t level) { 82 ALOGD("%*sStart display list (%p, %s, render=%d)", (level - 1) * 2, "", this, 83 mName.string(), isRenderable()); 84 ALOGD("%*s%s %d", level * 2, "", "Save", 85 SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 86 87 outputViewProperties(level); 88 int flags = DisplayListOp::kOpLogFlag_Recurse; 89 for (unsigned int i = 0; i < mDisplayListData->displayListOps.size(); i++) { 90 mDisplayListData->displayListOps[i]->output(level, flags); 91 } 92 93 ALOGD("%*sDone (%p, %s)", (level - 1) * 2, "", this, mName.string()); 94} 95 96void RenderNode::outputViewProperties(const int level) { 97 properties().updateMatrix(); 98 if (properties().mLeft != 0 || properties().mTop != 0) { 99 ALOGD("%*sTranslate (left, top) %d, %d", level * 2, "", properties().mLeft, properties().mTop); 100 } 101 if (properties().mStaticMatrix) { 102 ALOGD("%*sConcatMatrix (static) %p: " SK_MATRIX_STRING, 103 level * 2, "", properties().mStaticMatrix, SK_MATRIX_ARGS(properties().mStaticMatrix)); 104 } 105 if (properties().mAnimationMatrix) { 106 ALOGD("%*sConcatMatrix (animation) %p: " SK_MATRIX_STRING, 107 level * 2, "", properties().mAnimationMatrix, SK_MATRIX_ARGS(properties().mAnimationMatrix)); 108 } 109 if (properties().mMatrixFlags != 0) { 110 if (properties().mMatrixFlags == TRANSLATION) { 111 ALOGD("%*sTranslate %.2f, %.2f, %.2f", 112 level * 2, "", properties().mTranslationX, properties().mTranslationY, properties().mTranslationZ); 113 } else { 114 ALOGD("%*sConcatMatrix %p: " MATRIX_4_STRING, 115 level * 2, "", properties().mTransformMatrix, MATRIX_4_ARGS(properties().mTransformMatrix)); 116 } 117 } 118 119 bool clipToBoundsNeeded = properties().mCaching ? false : properties().mClipToBounds; 120 if (properties().mAlpha < 1) { 121 if (properties().mCaching) { 122 ALOGD("%*sSetOverrideLayerAlpha %.2f", level * 2, "", properties().mAlpha); 123 } else if (!properties().mHasOverlappingRendering) { 124 ALOGD("%*sScaleAlpha %.2f", level * 2, "", properties().mAlpha); 125 } else { 126 int flags = SkCanvas::kHasAlphaLayer_SaveFlag; 127 if (clipToBoundsNeeded) { 128 flags |= SkCanvas::kClipToLayer_SaveFlag; 129 clipToBoundsNeeded = false; // clipping done by save layer 130 } 131 ALOGD("%*sSaveLayerAlpha %d, %d, %d, %d, %d, 0x%x", level * 2, "", 132 0, 0, properties().mWidth, properties().mHeight, 133 (int)(properties().mAlpha * 255), flags); 134 } 135 } 136 if (clipToBoundsNeeded) { 137 ALOGD("%*sClipRect %d, %d, %d, %d", level * 2, "", 138 0, 0, properties().mWidth, properties().mHeight); 139 } 140} 141 142/* 143 * For property operations, we pass a savecount of 0, since the operations aren't part of the 144 * displaylist, and thus don't have to compensate for the record-time/playback-time discrepancy in 145 * base saveCount (i.e., how RestoreToCount uses saveCount + properties().mCount) 146 */ 147#define PROPERTY_SAVECOUNT 0 148 149template <class T> 150void RenderNode::setViewProperties(OpenGLRenderer& renderer, T& handler, 151 const int level) { 152#if DEBUG_DISPLAY_LIST 153 outputViewProperties(level); 154#endif 155 properties().updateMatrix(); 156 if (properties().mLeft != 0 || properties().mTop != 0) { 157 renderer.translate(properties().mLeft, properties().mTop); 158 } 159 if (properties().mStaticMatrix) { 160 renderer.concatMatrix(properties().mStaticMatrix); 161 } else if (properties().mAnimationMatrix) { 162 renderer.concatMatrix(properties().mAnimationMatrix); 163 } 164 if (properties().mMatrixFlags != 0) { 165 if (properties().mMatrixFlags == TRANSLATION) { 166 renderer.translate(properties().mTranslationX, properties().mTranslationY); 167 } else { 168 renderer.concatMatrix(*properties().mTransformMatrix); 169 } 170 } 171 bool clipToBoundsNeeded = properties().mCaching ? false : properties().mClipToBounds; 172 if (properties().mAlpha < 1) { 173 if (properties().mCaching) { 174 renderer.setOverrideLayerAlpha(properties().mAlpha); 175 } else if (!properties().mHasOverlappingRendering) { 176 renderer.scaleAlpha(properties().mAlpha); 177 } else { 178 // TODO: should be able to store the size of a DL at record time and not 179 // have to pass it into this call. In fact, this information might be in the 180 // location/size info that we store with the new native transform data. 181 int saveFlags = SkCanvas::kHasAlphaLayer_SaveFlag; 182 if (clipToBoundsNeeded) { 183 saveFlags |= SkCanvas::kClipToLayer_SaveFlag; 184 clipToBoundsNeeded = false; // clipping done by saveLayer 185 } 186 187 SaveLayerOp* op = new (handler.allocator()) SaveLayerOp( 188 0, 0, properties().mWidth, properties().mHeight, 189 properties().mAlpha * 255, saveFlags); 190 handler(op, PROPERTY_SAVECOUNT, properties().mClipToBounds); 191 } 192 } 193 if (clipToBoundsNeeded) { 194 ClipRectOp* op = new (handler.allocator()) ClipRectOp( 195 0, 0, properties().mWidth, properties().mHeight, SkRegion::kIntersect_Op); 196 handler(op, PROPERTY_SAVECOUNT, properties().mClipToBounds); 197 } 198 if (CC_UNLIKELY(properties().mOutline.willClip())) { 199 // TODO: optimize RR case 200 ClipPathOp* op = new (handler.allocator()) ClipPathOp(properties().mOutline.getPath(), 201 SkRegion::kIntersect_Op); 202 handler(op, PROPERTY_SAVECOUNT, properties().mClipToBounds); 203 } 204} 205 206/** 207 * Apply property-based transformations to input matrix 208 * 209 * If true3dTransform is set to true, the transform applied to the input matrix will use true 4x4 210 * matrix computation instead of the Skia 3x3 matrix + camera hackery. 211 */ 212void RenderNode::applyViewPropertyTransforms(mat4& matrix, bool true3dTransform) { 213 if (properties().mLeft != 0 || properties().mTop != 0) { 214 matrix.translate(properties().mLeft, properties().mTop); 215 } 216 if (properties().mStaticMatrix) { 217 mat4 stat(*properties().mStaticMatrix); 218 matrix.multiply(stat); 219 } else if (properties().mAnimationMatrix) { 220 mat4 anim(*properties().mAnimationMatrix); 221 matrix.multiply(anim); 222 } 223 if (properties().mMatrixFlags != 0) { 224 properties().updateMatrix(); 225 if (properties().mMatrixFlags == TRANSLATION) { 226 matrix.translate(properties().mTranslationX, properties().mTranslationY, 227 true3dTransform ? properties().mTranslationZ : 0.0f); 228 } else { 229 if (!true3dTransform) { 230 matrix.multiply(*properties().mTransformMatrix); 231 } else { 232 mat4 true3dMat; 233 true3dMat.loadTranslate( 234 properties().mPivotX + properties().mTranslationX, 235 properties().mPivotY + properties().mTranslationY, 236 properties().mTranslationZ); 237 true3dMat.rotate(properties().mRotationX, 1, 0, 0); 238 true3dMat.rotate(properties().mRotationY, 0, 1, 0); 239 true3dMat.rotate(properties().mRotation, 0, 0, 1); 240 true3dMat.scale(properties().mScaleX, properties().mScaleY, 1); 241 true3dMat.translate(-properties().mPivotX, -properties().mPivotY); 242 243 matrix.multiply(true3dMat); 244 } 245 } 246 } 247} 248 249/** 250 * Organizes the DisplayList hierarchy to prepare for background projection reordering. 251 * 252 * This should be called before a call to defer() or drawDisplayList() 253 * 254 * Each DisplayList that serves as a 3d root builds its list of composited children, 255 * which are flagged to not draw in the standard draw loop. 256 */ 257void RenderNode::computeOrdering() { 258 ATRACE_CALL(); 259 mProjectedNodes.clear(); 260 261 // TODO: create temporary DDLOp and call computeOrderingImpl on top DisplayList so that 262 // transform properties are applied correctly to top level children 263 if (mDisplayListData == NULL) return; 264 for (unsigned int i = 0; i < mDisplayListData->children.size(); i++) { 265 DrawDisplayListOp* childOp = mDisplayListData->children[i]; 266 childOp->mDisplayList->computeOrderingImpl(childOp, 267 &mProjectedNodes, &mat4::identity()); 268 } 269} 270 271void RenderNode::computeOrderingImpl( 272 DrawDisplayListOp* opState, 273 Vector<DrawDisplayListOp*>* compositedChildrenOfProjectionSurface, 274 const mat4* transformFromProjectionSurface) { 275 mProjectedNodes.clear(); 276 if (mDisplayListData == NULL || mDisplayListData->isEmpty()) return; 277 278 // TODO: should avoid this calculation in most cases 279 // TODO: just calculate single matrix, down to all leaf composited elements 280 Matrix4 localTransformFromProjectionSurface(*transformFromProjectionSurface); 281 localTransformFromProjectionSurface.multiply(opState->mTransformFromParent); 282 283 if (properties().mProjectBackwards) { 284 // composited projectee, flag for out of order draw, save matrix, and store in proj surface 285 opState->mSkipInOrderDraw = true; 286 opState->mTransformFromCompositingAncestor.load(localTransformFromProjectionSurface); 287 compositedChildrenOfProjectionSurface->add(opState); 288 } else { 289 // standard in order draw 290 opState->mSkipInOrderDraw = false; 291 } 292 293 if (mDisplayListData->children.size() > 0) { 294 const bool isProjectionReceiver = mDisplayListData->projectionReceiveIndex >= 0; 295 bool haveAppliedPropertiesToProjection = false; 296 for (unsigned int i = 0; i < mDisplayListData->children.size(); i++) { 297 DrawDisplayListOp* childOp = mDisplayListData->children[i]; 298 RenderNode* child = childOp->mDisplayList; 299 300 Vector<DrawDisplayListOp*>* projectionChildren = NULL; 301 const mat4* projectionTransform = NULL; 302 if (isProjectionReceiver && !child->properties().mProjectBackwards) { 303 // if receiving projections, collect projecting descendent 304 305 // Note that if a direct descendent is projecting backwards, we pass it's 306 // grandparent projection collection, since it shouldn't project onto it's 307 // parent, where it will already be drawing. 308 projectionChildren = &mProjectedNodes; 309 projectionTransform = &mat4::identity(); 310 } else { 311 if (!haveAppliedPropertiesToProjection) { 312 applyViewPropertyTransforms(localTransformFromProjectionSurface); 313 haveAppliedPropertiesToProjection = true; 314 } 315 projectionChildren = compositedChildrenOfProjectionSurface; 316 projectionTransform = &localTransformFromProjectionSurface; 317 } 318 child->computeOrderingImpl(childOp, projectionChildren, projectionTransform); 319 } 320 } 321 322} 323 324class DeferOperationHandler { 325public: 326 DeferOperationHandler(DeferStateStruct& deferStruct, int level) 327 : mDeferStruct(deferStruct), mLevel(level) {} 328 inline void operator()(DisplayListOp* operation, int saveCount, bool clipToBounds) { 329 operation->defer(mDeferStruct, saveCount, mLevel, clipToBounds); 330 } 331 inline LinearAllocator& allocator() { return *(mDeferStruct.mAllocator); } 332 333private: 334 DeferStateStruct& mDeferStruct; 335 const int mLevel; 336}; 337 338void RenderNode::defer(DeferStateStruct& deferStruct, const int level) { 339 DeferOperationHandler handler(deferStruct, level); 340 iterate<DeferOperationHandler>(deferStruct.mRenderer, handler, level); 341} 342 343class ReplayOperationHandler { 344public: 345 ReplayOperationHandler(ReplayStateStruct& replayStruct, int level) 346 : mReplayStruct(replayStruct), mLevel(level) {} 347 inline void operator()(DisplayListOp* operation, int saveCount, bool clipToBounds) { 348#if DEBUG_DISPLAY_LIST_OPS_AS_EVENTS 349 properties().mReplayStruct.mRenderer.eventMark(operation->name()); 350#endif 351 operation->replay(mReplayStruct, saveCount, mLevel, clipToBounds); 352 } 353 inline LinearAllocator& allocator() { return *(mReplayStruct.mAllocator); } 354 355private: 356 ReplayStateStruct& mReplayStruct; 357 const int mLevel; 358}; 359 360void RenderNode::replay(ReplayStateStruct& replayStruct, const int level) { 361 ReplayOperationHandler handler(replayStruct, level); 362 363 replayStruct.mRenderer.startMark(mName.string()); 364 iterate<ReplayOperationHandler>(replayStruct.mRenderer, handler, level); 365 replayStruct.mRenderer.endMark(); 366 367 DISPLAY_LIST_LOGD("%*sDone (%p, %s), returning %d", level * 2, "", this, mName.string(), 368 replayStruct.mDrawGlStatus); 369} 370 371void RenderNode::buildZSortedChildList(Vector<ZDrawDisplayListOpPair>& zTranslatedNodes) { 372 if (mDisplayListData == NULL || mDisplayListData->children.size() == 0) return; 373 374 for (unsigned int i = 0; i < mDisplayListData->children.size(); i++) { 375 DrawDisplayListOp* childOp = mDisplayListData->children[i]; 376 RenderNode* child = childOp->mDisplayList; 377 float childZ = child->properties().mTranslationZ; 378 379 if (childZ != 0.0f) { 380 zTranslatedNodes.add(ZDrawDisplayListOpPair(childZ, childOp)); 381 childOp->mSkipInOrderDraw = true; 382 } else if (!child->properties().mProjectBackwards) { 383 // regular, in order drawing DisplayList 384 childOp->mSkipInOrderDraw = false; 385 } 386 } 387 388 // Z sort 3d children (stable-ness makes z compare fall back to standard drawing order) 389 std::stable_sort(zTranslatedNodes.begin(), zTranslatedNodes.end()); 390} 391 392#define SHADOW_DELTA 0.1f 393 394template <class T> 395void RenderNode::iterate3dChildren(const Vector<ZDrawDisplayListOpPair>& zTranslatedNodes, 396 ChildrenSelectMode mode, OpenGLRenderer& renderer, T& handler) { 397 const int size = zTranslatedNodes.size(); 398 if (size == 0 399 || (mode == kNegativeZChildren && zTranslatedNodes[0].key > 0.0f) 400 || (mode == kPositiveZChildren && zTranslatedNodes[size - 1].key < 0.0f)) { 401 // no 3d children to draw 402 return; 403 } 404 405 int rootRestoreTo = renderer.save(SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 406 LinearAllocator& alloc = handler.allocator(); 407 ClipRectOp* clipOp = new (alloc) ClipRectOp(0, 0, properties().mWidth, properties().mHeight, 408 SkRegion::kIntersect_Op); // clip to 3d root bounds 409 handler(clipOp, PROPERTY_SAVECOUNT, properties().mClipToBounds); 410 411 /** 412 * Draw shadows and (potential) casters mostly in order, but allow the shadows of casters 413 * with very similar Z heights to draw together. 414 * 415 * This way, if Views A & B have the same Z height and are both casting shadows, the shadows are 416 * underneath both, and neither's shadow is drawn on top of the other. 417 */ 418 const size_t nonNegativeIndex = findNonNegativeIndex(zTranslatedNodes); 419 size_t drawIndex, shadowIndex, endIndex; 420 if (mode == kNegativeZChildren) { 421 drawIndex = 0; 422 endIndex = nonNegativeIndex; 423 shadowIndex = endIndex; // draw no shadows 424 } else { 425 drawIndex = nonNegativeIndex; 426 endIndex = size; 427 shadowIndex = drawIndex; // potentially draw shadow for each pos Z child 428 } 429 float lastCasterZ = 0.0f; 430 while (shadowIndex < endIndex || drawIndex < endIndex) { 431 if (shadowIndex < endIndex) { 432 DrawDisplayListOp* casterOp = zTranslatedNodes[shadowIndex].value; 433 RenderNode* caster = casterOp->mDisplayList; 434 const float casterZ = zTranslatedNodes[shadowIndex].key; 435 // attempt to render the shadow if the caster about to be drawn is its caster, 436 // OR if its caster's Z value is similar to the previous potential caster 437 if (shadowIndex == drawIndex || casterZ - lastCasterZ < SHADOW_DELTA) { 438 439 if (caster->properties().mAlpha > 0.0f) { 440 mat4 shadowMatrixXY(casterOp->mTransformFromParent); 441 caster->applyViewPropertyTransforms(shadowMatrixXY); 442 443 // Z matrix needs actual 3d transformation, so mapped z values will be correct 444 mat4 shadowMatrixZ(casterOp->mTransformFromParent); 445 caster->applyViewPropertyTransforms(shadowMatrixZ, true); 446 447 DisplayListOp* shadowOp = new (alloc) DrawShadowOp( 448 shadowMatrixXY, shadowMatrixZ, 449 caster->properties().mAlpha, caster->properties().mOutline.getPath(), 450 caster->properties().mWidth, caster->properties().mHeight); 451 handler(shadowOp, PROPERTY_SAVECOUNT, properties().mClipToBounds); 452 } 453 454 lastCasterZ = casterZ; // must do this even if current caster not casting a shadow 455 shadowIndex++; 456 continue; 457 } 458 } 459 460 // only the actual child DL draw needs to be in save/restore, 461 // since it modifies the renderer's matrix 462 int restoreTo = renderer.save(SkCanvas::kMatrix_SaveFlag); 463 464 DrawDisplayListOp* childOp = zTranslatedNodes[drawIndex].value; 465 RenderNode* child = childOp->mDisplayList; 466 467 renderer.concatMatrix(childOp->mTransformFromParent); 468 childOp->mSkipInOrderDraw = false; // this is horrible, I'm so sorry everyone 469 handler(childOp, renderer.getSaveCount() - 1, properties().mClipToBounds); 470 childOp->mSkipInOrderDraw = true; 471 472 renderer.restoreToCount(restoreTo); 473 drawIndex++; 474 } 475 handler(new (alloc) RestoreToCountOp(rootRestoreTo), PROPERTY_SAVECOUNT, properties().mClipToBounds); 476} 477 478template <class T> 479void RenderNode::iterateProjectedChildren(OpenGLRenderer& renderer, T& handler, const int level) { 480 int rootRestoreTo = renderer.save(SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 481 LinearAllocator& alloc = handler.allocator(); 482 ClipRectOp* clipOp = new (alloc) ClipRectOp(0, 0, properties().mWidth, properties().mHeight, 483 SkRegion::kReplace_Op); // clip to projection surface root bounds 484 handler(clipOp, PROPERTY_SAVECOUNT, properties().mClipToBounds); 485 486 for (size_t i = 0; i < mProjectedNodes.size(); i++) { 487 DrawDisplayListOp* childOp = mProjectedNodes[i]; 488 489 // matrix save, concat, and restore can be done safely without allocating operations 490 int restoreTo = renderer.save(SkCanvas::kMatrix_SaveFlag); 491 renderer.concatMatrix(childOp->mTransformFromCompositingAncestor); 492 childOp->mSkipInOrderDraw = false; // this is horrible, I'm so sorry everyone 493 handler(childOp, renderer.getSaveCount() - 1, properties().mClipToBounds); 494 childOp->mSkipInOrderDraw = true; 495 renderer.restoreToCount(restoreTo); 496 } 497 handler(new (alloc) RestoreToCountOp(rootRestoreTo), PROPERTY_SAVECOUNT, properties().mClipToBounds); 498} 499 500/** 501 * This function serves both defer and replay modes, and will organize the displayList's component 502 * operations for a single frame: 503 * 504 * Every 'simple' state operation that affects just the matrix and alpha (or other factors of 505 * DeferredDisplayState) may be issued directly to the renderer, but complex operations (with custom 506 * defer logic) and operations in displayListOps are issued through the 'handler' which handles the 507 * defer vs replay logic, per operation 508 */ 509template <class T> 510void RenderNode::iterate(OpenGLRenderer& renderer, T& handler, const int level) { 511 if (CC_UNLIKELY(mDestroyed)) { // temporary debug logging 512 ALOGW("Error: %s is drawing after destruction", mName.string()); 513 CRASH(); 514 } 515 if (mDisplayListData->isEmpty() || properties().mAlpha <= 0) { 516 DISPLAY_LIST_LOGD("%*sEmpty display list (%p, %s)", level * 2, "", this, mName.string()); 517 return; 518 } 519 520#if DEBUG_DISPLAY_LIST 521 Rect* clipRect = renderer.getClipRect(); 522 DISPLAY_LIST_LOGD("%*sStart display list (%p, %s), clipRect: %.0f, %.0f, %.0f, %.0f", 523 level * 2, "", this, mName.string(), clipRect->left, clipRect->top, 524 clipRect->right, clipRect->bottom); 525#endif 526 527 LinearAllocator& alloc = handler.allocator(); 528 int restoreTo = renderer.getSaveCount(); 529 handler(new (alloc) SaveOp(SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag), 530 PROPERTY_SAVECOUNT, properties().mClipToBounds); 531 532 DISPLAY_LIST_LOGD("%*sSave %d %d", (level + 1) * 2, "", 533 SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag, restoreTo); 534 535 setViewProperties<T>(renderer, handler, level + 1); 536 537 bool quickRejected = properties().mClipToBounds && renderer.quickRejectConservative(0, 0, properties().mWidth, properties().mHeight); 538 if (!quickRejected) { 539 Vector<ZDrawDisplayListOpPair> zTranslatedNodes; 540 buildZSortedChildList(zTranslatedNodes); 541 542 // for 3d root, draw children with negative z values 543 iterate3dChildren(zTranslatedNodes, kNegativeZChildren, renderer, handler); 544 545 DisplayListLogBuffer& logBuffer = DisplayListLogBuffer::getInstance(); 546 const int saveCountOffset = renderer.getSaveCount() - 1; 547 const int projectionReceiveIndex = mDisplayListData->projectionReceiveIndex; 548 for (unsigned int i = 0; i < mDisplayListData->displayListOps.size(); i++) { 549 DisplayListOp *op = mDisplayListData->displayListOps[i]; 550 551#if DEBUG_DISPLAY_LIST 552 op->output(level + 1); 553#endif 554 555 logBuffer.writeCommand(level, op->name()); 556 handler(op, saveCountOffset, properties().mClipToBounds); 557 558 if (CC_UNLIKELY(i == projectionReceiveIndex && mProjectedNodes.size() > 0)) { 559 iterateProjectedChildren(renderer, handler, level); 560 } 561 } 562 563 // for 3d root, draw children with positive z values 564 iterate3dChildren(zTranslatedNodes, kPositiveZChildren, renderer, handler); 565 } 566 567 DISPLAY_LIST_LOGD("%*sRestoreToCount %d", (level + 1) * 2, "", restoreTo); 568 handler(new (alloc) RestoreToCountOp(restoreTo), 569 PROPERTY_SAVECOUNT, properties().mClipToBounds); 570 renderer.setOverrideLayerAlpha(1.0f); 571} 572 573} /* namespace uirenderer */ 574} /* namespace android */ 575