RenderNode.cpp revision 860d155f866cc15a725e7ce03763280987f24901
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() 53 : mNeedsPropertiesSync(false) 54 , mNeedsDisplayListDataSync(false) 55 , mDisplayListData(0) 56 , mStagingDisplayListData(0) { 57} 58 59RenderNode::~RenderNode() { 60 delete mDisplayListData; 61 delete mStagingDisplayListData; 62} 63 64void RenderNode::setStagingDisplayList(DisplayListData* data) { 65 mNeedsDisplayListDataSync = true; 66 delete mStagingDisplayListData; 67 mStagingDisplayListData = data; 68 if (mStagingDisplayListData) { 69 Caches::getInstance().registerFunctors(mStagingDisplayListData->functorCount); 70 } 71} 72 73/** 74 * This function is a simplified version of replay(), where we simply retrieve and log the 75 * display list. This function should remain in sync with the replay() function. 76 */ 77void RenderNode::output(uint32_t level) { 78 ALOGD("%*sStart display list (%p, %s, render=%d)", (level - 1) * 2, "", this, 79 mName.string(), isRenderable()); 80 ALOGD("%*s%s %d", level * 2, "", "Save", 81 SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 82 83 properties().debugOutputProperties(level); 84 int flags = DisplayListOp::kOpLogFlag_Recurse; 85 for (unsigned int i = 0; i < mDisplayListData->displayListOps.size(); i++) { 86 mDisplayListData->displayListOps[i]->output(level, flags); 87 } 88 89 ALOGD("%*sDone (%p, %s)", (level - 1) * 2, "", this, mName.string()); 90} 91 92void RenderNode::prepareTree(TreeInfo& info) { 93 ATRACE_CALL(); 94 95 prepareTreeImpl(info); 96} 97 98void RenderNode::prepareTreeImpl(TreeInfo& info) { 99 pushStagingChanges(info); 100 prepareSubTree(info, mDisplayListData); 101} 102 103void RenderNode::pushStagingChanges(TreeInfo& info) { 104 if (mNeedsPropertiesSync) { 105 mNeedsPropertiesSync = false; 106 mProperties = mStagingProperties; 107 } 108 if (mNeedsDisplayListDataSync) { 109 mNeedsDisplayListDataSync = false; 110 // Do a push pass on the old tree to handle freeing DisplayListData 111 // that are no longer used 112 TreeInfo oldTreeInfo; 113 prepareSubTree(oldTreeInfo, mDisplayListData); 114 // TODO: The damage for the old tree should be accounted for 115 delete mDisplayListData; 116 mDisplayListData = mStagingDisplayListData; 117 mStagingDisplayListData = 0; 118 } 119} 120 121void RenderNode::prepareSubTree(TreeInfo& info, DisplayListData* subtree) { 122 if (subtree) { 123 TextureCache& cache = Caches::getInstance().textureCache; 124 info.hasFunctors |= subtree->functorCount; 125 // TODO: Fix ownedBitmapResources to not require disabling prepareTextures 126 // and thus falling out of async drawing path. 127 if (subtree->ownedBitmapResources.size()) { 128 info.prepareTextures = false; 129 } 130 for (size_t i = 0; info.prepareTextures && i < subtree->bitmapResources.size(); i++) { 131 info.prepareTextures = cache.prefetchAndMarkInUse(subtree->bitmapResources[i]); 132 } 133 for (size_t i = 0; i < subtree->children().size(); i++) { 134 RenderNode* childNode = subtree->children()[i]->mDisplayList; 135 childNode->prepareTreeImpl(info); 136 } 137 } 138} 139 140/* 141 * For property operations, we pass a savecount of 0, since the operations aren't part of the 142 * displaylist, and thus don't have to compensate for the record-time/playback-time discrepancy in 143 * base saveCount (i.e., how RestoreToCount uses saveCount + properties().getCount()) 144 */ 145#define PROPERTY_SAVECOUNT 0 146 147template <class T> 148void RenderNode::setViewProperties(OpenGLRenderer& renderer, T& handler) { 149#if DEBUG_DISPLAY_LIST 150 properties().debugOutputProperties(handler.level() + 1); 151#endif 152 if (properties().getLeft() != 0 || properties().getTop() != 0) { 153 renderer.translate(properties().getLeft(), properties().getTop()); 154 } 155 if (properties().getStaticMatrix()) { 156 renderer.concatMatrix(properties().getStaticMatrix()); 157 } else if (properties().getAnimationMatrix()) { 158 renderer.concatMatrix(properties().getAnimationMatrix()); 159 } 160 if (properties().hasTransformMatrix()) { 161 if (properties().isTransformTranslateOnly()) { 162 renderer.translate(properties().getTranslationX(), properties().getTranslationY()); 163 } else { 164 renderer.concatMatrix(*properties().getTransformMatrix()); 165 } 166 } 167 bool clipToBoundsNeeded = properties().getCaching() ? false : properties().getClipToBounds(); 168 if (properties().getAlpha() < 1) { 169 if (properties().getCaching()) { 170 renderer.setOverrideLayerAlpha(properties().getAlpha()); 171 } else if (!properties().getHasOverlappingRendering()) { 172 renderer.scaleAlpha(properties().getAlpha()); 173 } else { 174 // TODO: should be able to store the size of a DL at record time and not 175 // have to pass it into this call. In fact, this information might be in the 176 // location/size info that we store with the new native transform data. 177 int saveFlags = SkCanvas::kHasAlphaLayer_SaveFlag; 178 if (clipToBoundsNeeded) { 179 saveFlags |= SkCanvas::kClipToLayer_SaveFlag; 180 clipToBoundsNeeded = false; // clipping done by saveLayer 181 } 182 183 SaveLayerOp* op = new (handler.allocator()) SaveLayerOp( 184 0, 0, properties().getWidth(), properties().getHeight(), 185 properties().getAlpha() * 255, saveFlags); 186 handler(op, PROPERTY_SAVECOUNT, properties().getClipToBounds()); 187 } 188 } 189 if (clipToBoundsNeeded) { 190 ClipRectOp* op = new (handler.allocator()) ClipRectOp( 191 0, 0, properties().getWidth(), properties().getHeight(), SkRegion::kIntersect_Op); 192 handler(op, PROPERTY_SAVECOUNT, properties().getClipToBounds()); 193 } 194 195 if (CC_UNLIKELY(properties().hasClippingPath())) { 196 // TODO: optimize for round rect/circle clipping 197 const SkPath* path = properties().getClippingPath(); 198 ClipPathOp* op = new (handler.allocator()) ClipPathOp(path, SkRegion::kIntersect_Op); 199 handler(op, PROPERTY_SAVECOUNT, properties().getClipToBounds()); 200 } 201} 202 203/** 204 * Apply property-based transformations to input matrix 205 * 206 * If true3dTransform is set to true, the transform applied to the input matrix will use true 4x4 207 * matrix computation instead of the Skia 3x3 matrix + camera hackery. 208 */ 209void RenderNode::applyViewPropertyTransforms(mat4& matrix, bool true3dTransform) { 210 if (properties().getLeft() != 0 || properties().getTop() != 0) { 211 matrix.translate(properties().getLeft(), properties().getTop()); 212 } 213 if (properties().getStaticMatrix()) { 214 mat4 stat(*properties().getStaticMatrix()); 215 matrix.multiply(stat); 216 } else if (properties().getAnimationMatrix()) { 217 mat4 anim(*properties().getAnimationMatrix()); 218 matrix.multiply(anim); 219 } 220 if (properties().hasTransformMatrix()) { 221 if (properties().isTransformTranslateOnly()) { 222 matrix.translate(properties().getTranslationX(), properties().getTranslationY(), 223 true3dTransform ? properties().getTranslationZ() : 0.0f); 224 } else { 225 if (!true3dTransform) { 226 matrix.multiply(*properties().getTransformMatrix()); 227 } else { 228 mat4 true3dMat; 229 true3dMat.loadTranslate( 230 properties().getPivotX() + properties().getTranslationX(), 231 properties().getPivotY() + properties().getTranslationY(), 232 properties().getTranslationZ()); 233 true3dMat.rotate(properties().getRotationX(), 1, 0, 0); 234 true3dMat.rotate(properties().getRotationY(), 0, 1, 0); 235 true3dMat.rotate(properties().getRotation(), 0, 0, 1); 236 true3dMat.scale(properties().getScaleX(), properties().getScaleY(), 1); 237 true3dMat.translate(-properties().getPivotX(), -properties().getPivotY()); 238 239 matrix.multiply(true3dMat); 240 } 241 } 242 } 243} 244 245/** 246 * Organizes the DisplayList hierarchy to prepare for background projection reordering. 247 * 248 * This should be called before a call to defer() or drawDisplayList() 249 * 250 * Each DisplayList that serves as a 3d root builds its list of composited children, 251 * which are flagged to not draw in the standard draw loop. 252 */ 253void RenderNode::computeOrdering() { 254 ATRACE_CALL(); 255 mProjectedNodes.clear(); 256 257 // TODO: create temporary DDLOp and call computeOrderingImpl on top DisplayList so that 258 // transform properties are applied correctly to top level children 259 if (mDisplayListData == NULL) return; 260 for (unsigned int i = 0; i < mDisplayListData->children().size(); i++) { 261 DrawDisplayListOp* childOp = mDisplayListData->children()[i]; 262 childOp->mDisplayList->computeOrderingImpl(childOp, 263 &mProjectedNodes, &mat4::identity()); 264 } 265} 266 267void RenderNode::computeOrderingImpl( 268 DrawDisplayListOp* opState, 269 Vector<DrawDisplayListOp*>* compositedChildrenOfProjectionSurface, 270 const mat4* transformFromProjectionSurface) { 271 mProjectedNodes.clear(); 272 if (mDisplayListData == NULL || mDisplayListData->isEmpty()) return; 273 274 // TODO: should avoid this calculation in most cases 275 // TODO: just calculate single matrix, down to all leaf composited elements 276 Matrix4 localTransformFromProjectionSurface(*transformFromProjectionSurface); 277 localTransformFromProjectionSurface.multiply(opState->mTransformFromParent); 278 279 if (properties().getProjectBackwards()) { 280 // composited projectee, flag for out of order draw, save matrix, and store in proj surface 281 opState->mSkipInOrderDraw = true; 282 opState->mTransformFromCompositingAncestor.load(localTransformFromProjectionSurface); 283 compositedChildrenOfProjectionSurface->add(opState); 284 } else { 285 // standard in order draw 286 opState->mSkipInOrderDraw = false; 287 } 288 289 if (mDisplayListData->children().size() > 0) { 290 const bool isProjectionReceiver = mDisplayListData->projectionReceiveIndex >= 0; 291 bool haveAppliedPropertiesToProjection = false; 292 for (unsigned int i = 0; i < mDisplayListData->children().size(); i++) { 293 DrawDisplayListOp* childOp = mDisplayListData->children()[i]; 294 RenderNode* child = childOp->mDisplayList; 295 296 Vector<DrawDisplayListOp*>* projectionChildren = NULL; 297 const mat4* projectionTransform = NULL; 298 if (isProjectionReceiver && !child->properties().getProjectBackwards()) { 299 // if receiving projections, collect projecting descendent 300 301 // Note that if a direct descendent is projecting backwards, we pass it's 302 // grandparent projection collection, since it shouldn't project onto it's 303 // parent, where it will already be drawing. 304 projectionChildren = &mProjectedNodes; 305 projectionTransform = &mat4::identity(); 306 } else { 307 if (!haveAppliedPropertiesToProjection) { 308 applyViewPropertyTransforms(localTransformFromProjectionSurface); 309 haveAppliedPropertiesToProjection = true; 310 } 311 projectionChildren = compositedChildrenOfProjectionSurface; 312 projectionTransform = &localTransformFromProjectionSurface; 313 } 314 child->computeOrderingImpl(childOp, projectionChildren, projectionTransform); 315 } 316 } 317} 318 319class DeferOperationHandler { 320public: 321 DeferOperationHandler(DeferStateStruct& deferStruct, int level) 322 : mDeferStruct(deferStruct), mLevel(level) {} 323 inline void operator()(DisplayListOp* operation, int saveCount, bool clipToBounds) { 324 operation->defer(mDeferStruct, saveCount, mLevel, clipToBounds); 325 } 326 inline LinearAllocator& allocator() { return *(mDeferStruct.mAllocator); } 327 inline void startMark(const char* name) {} // do nothing 328 inline void endMark() {} 329 inline int level() { return mLevel; } 330 inline int replayFlags() { return mDeferStruct.mReplayFlags; } 331 332private: 333 DeferStateStruct& mDeferStruct; 334 const int mLevel; 335}; 336 337void RenderNode::deferNodeTree(DeferStateStruct& deferStruct) { 338 DeferOperationHandler handler(deferStruct, 0); 339 if (properties().getTranslationZ() > 0.0f) issueDrawShadowOperation(Matrix4::identity(), handler); 340 issueOperations<DeferOperationHandler>(deferStruct.mRenderer, handler); 341} 342 343void RenderNode::deferNodeInParent(DeferStateStruct& deferStruct, const int level) { 344 DeferOperationHandler handler(deferStruct, level); 345 issueOperations<DeferOperationHandler>(deferStruct.mRenderer, handler); 346} 347 348class ReplayOperationHandler { 349public: 350 ReplayOperationHandler(ReplayStateStruct& replayStruct, int level) 351 : mReplayStruct(replayStruct), mLevel(level) {} 352 inline void operator()(DisplayListOp* operation, int saveCount, bool clipToBounds) { 353#if DEBUG_DISPLAY_LIST_OPS_AS_EVENTS 354 properties().getReplayStruct().mRenderer.eventMark(operation->name()); 355#endif 356 operation->replay(mReplayStruct, saveCount, mLevel, clipToBounds); 357 } 358 inline LinearAllocator& allocator() { return *(mReplayStruct.mAllocator); } 359 inline void startMark(const char* name) { 360 mReplayStruct.mRenderer.startMark(name); 361 } 362 inline void endMark() { 363 mReplayStruct.mRenderer.endMark(); 364 DISPLAY_LIST_LOGD("%*sDone (%p, %s), returning %d", level * 2, "", this, mName.string(), 365 mReplayStruct.mDrawGlStatus); 366 } 367 inline int level() { return mLevel; } 368 inline int replayFlags() { return mReplayStruct.mReplayFlags; } 369 370private: 371 ReplayStateStruct& mReplayStruct; 372 const int mLevel; 373}; 374 375void RenderNode::replayNodeTree(ReplayStateStruct& replayStruct) { 376 ReplayOperationHandler handler(replayStruct, 0); 377 if (properties().getTranslationZ() > 0.0f) issueDrawShadowOperation(Matrix4::identity(), handler); 378 issueOperations<ReplayOperationHandler>(replayStruct.mRenderer, handler); 379} 380 381void RenderNode::replayNodeInParent(ReplayStateStruct& replayStruct, const int level) { 382 ReplayOperationHandler handler(replayStruct, level); 383 issueOperations<ReplayOperationHandler>(replayStruct.mRenderer, handler); 384} 385 386void RenderNode::buildZSortedChildList(Vector<ZDrawDisplayListOpPair>& zTranslatedNodes) { 387 if (mDisplayListData == NULL || mDisplayListData->children().size() == 0) return; 388 389 for (unsigned int i = 0; i < mDisplayListData->children().size(); i++) { 390 DrawDisplayListOp* childOp = mDisplayListData->children()[i]; 391 RenderNode* child = childOp->mDisplayList; 392 float childZ = child->properties().getTranslationZ(); 393 394 if (childZ != 0.0f) { 395 zTranslatedNodes.add(ZDrawDisplayListOpPair(childZ, childOp)); 396 childOp->mSkipInOrderDraw = true; 397 } else if (!child->properties().getProjectBackwards()) { 398 // regular, in order drawing DisplayList 399 childOp->mSkipInOrderDraw = false; 400 } 401 } 402 403 // Z sort 3d children (stable-ness makes z compare fall back to standard drawing order) 404 std::stable_sort(zTranslatedNodes.begin(), zTranslatedNodes.end()); 405} 406 407template <class T> 408void RenderNode::issueDrawShadowOperation(const Matrix4& transformFromParent, T& handler) { 409 if (properties().getAlpha() <= 0.0f) return; 410 411 mat4 shadowMatrixXY(transformFromParent); 412 applyViewPropertyTransforms(shadowMatrixXY); 413 414 // Z matrix needs actual 3d transformation, so mapped z values will be correct 415 mat4 shadowMatrixZ(transformFromParent); 416 applyViewPropertyTransforms(shadowMatrixZ, true); 417 418 const SkPath* outlinePath = properties().getOutline().getPath(); 419 const RevealClip& revealClip = properties().getRevealClip(); 420 const SkPath* revealClipPath = revealClip.hasConvexClip() 421 ? revealClip.getPath() : NULL; // only pass the reveal clip's path if it's convex 422 423 /** 424 * The drawing area of the caster is always the same as the its perimeter (which 425 * the shadow system uses) *except* in the inverse clip case. Inform the shadow 426 * system that the caster's drawing area (as opposed to its perimeter) has been 427 * clipped, so that it knows the caster can't be opaque. 428 */ 429 bool casterUnclipped = !revealClip.willClip() || revealClip.hasConvexClip(); 430 431 DisplayListOp* shadowOp = new (handler.allocator()) DrawShadowOp( 432 shadowMatrixXY, shadowMatrixZ, 433 properties().getAlpha(), casterUnclipped, 434 properties().getWidth(), properties().getHeight(), 435 outlinePath, revealClipPath); 436 handler(shadowOp, PROPERTY_SAVECOUNT, properties().getClipToBounds()); 437} 438 439#define SHADOW_DELTA 0.1f 440 441template <class T> 442void RenderNode::issueOperationsOf3dChildren(const Vector<ZDrawDisplayListOpPair>& zTranslatedNodes, 443 ChildrenSelectMode mode, OpenGLRenderer& renderer, T& handler) { 444 const int size = zTranslatedNodes.size(); 445 if (size == 0 446 || (mode == kNegativeZChildren && zTranslatedNodes[0].key > 0.0f) 447 || (mode == kPositiveZChildren && zTranslatedNodes[size - 1].key < 0.0f)) { 448 // no 3d children to draw 449 return; 450 } 451 452 /** 453 * Draw shadows and (potential) casters mostly in order, but allow the shadows of casters 454 * with very similar Z heights to draw together. 455 * 456 * This way, if Views A & B have the same Z height and are both casting shadows, the shadows are 457 * underneath both, and neither's shadow is drawn on top of the other. 458 */ 459 const size_t nonNegativeIndex = findNonNegativeIndex(zTranslatedNodes); 460 size_t drawIndex, shadowIndex, endIndex; 461 if (mode == kNegativeZChildren) { 462 drawIndex = 0; 463 endIndex = nonNegativeIndex; 464 shadowIndex = endIndex; // draw no shadows 465 } else { 466 drawIndex = nonNegativeIndex; 467 endIndex = size; 468 shadowIndex = drawIndex; // potentially draw shadow for each pos Z child 469 } 470 float lastCasterZ = 0.0f; 471 while (shadowIndex < endIndex || drawIndex < endIndex) { 472 if (shadowIndex < endIndex) { 473 DrawDisplayListOp* casterOp = zTranslatedNodes[shadowIndex].value; 474 RenderNode* caster = casterOp->mDisplayList; 475 const float casterZ = zTranslatedNodes[shadowIndex].key; 476 // attempt to render the shadow if the caster about to be drawn is its caster, 477 // OR if its caster's Z value is similar to the previous potential caster 478 if (shadowIndex == drawIndex || casterZ - lastCasterZ < SHADOW_DELTA) { 479 caster->issueDrawShadowOperation(casterOp->mTransformFromParent, handler); 480 481 lastCasterZ = casterZ; // must do this even if current caster not casting a shadow 482 shadowIndex++; 483 continue; 484 } 485 } 486 487 // only the actual child DL draw needs to be in save/restore, 488 // since it modifies the renderer's matrix 489 int restoreTo = renderer.save(SkCanvas::kMatrix_SaveFlag); 490 491 DrawDisplayListOp* childOp = zTranslatedNodes[drawIndex].value; 492 RenderNode* child = childOp->mDisplayList; 493 494 renderer.concatMatrix(childOp->mTransformFromParent); 495 childOp->mSkipInOrderDraw = false; // this is horrible, I'm so sorry everyone 496 handler(childOp, renderer.getSaveCount() - 1, properties().getClipToBounds()); 497 childOp->mSkipInOrderDraw = true; 498 499 renderer.restoreToCount(restoreTo); 500 drawIndex++; 501 } 502} 503 504template <class T> 505void RenderNode::issueOperationsOfProjectedChildren(OpenGLRenderer& renderer, T& handler) { 506 for (size_t i = 0; i < mProjectedNodes.size(); i++) { 507 DrawDisplayListOp* childOp = mProjectedNodes[i]; 508 509 // matrix save, concat, and restore can be done safely without allocating operations 510 int restoreTo = renderer.save(SkCanvas::kMatrix_SaveFlag); 511 renderer.concatMatrix(childOp->mTransformFromCompositingAncestor); 512 childOp->mSkipInOrderDraw = false; // this is horrible, I'm so sorry everyone 513 handler(childOp, renderer.getSaveCount() - 1, properties().getClipToBounds()); 514 childOp->mSkipInOrderDraw = true; 515 renderer.restoreToCount(restoreTo); 516 } 517} 518 519/** 520 * This function serves both defer and replay modes, and will organize the displayList's component 521 * operations for a single frame: 522 * 523 * Every 'simple' state operation that affects just the matrix and alpha (or other factors of 524 * DeferredDisplayState) may be issued directly to the renderer, but complex operations (with custom 525 * defer logic) and operations in displayListOps are issued through the 'handler' which handles the 526 * defer vs replay logic, per operation 527 */ 528template <class T> 529void RenderNode::issueOperations(OpenGLRenderer& renderer, T& handler) { 530 const int level = handler.level(); 531 if (mDisplayListData->isEmpty() || properties().getAlpha() <= 0) { 532 DISPLAY_LIST_LOGD("%*sEmpty display list (%p, %s)", level * 2, "", this, mName.string()); 533 return; 534 } 535 536 handler.startMark(mName.string()); 537 538#if DEBUG_DISPLAY_LIST 539 Rect* clipRect = renderer.getClipRect(); 540 DISPLAY_LIST_LOGD("%*sStart display list (%p, %s), clipRect: %.0f, %.0f, %.0f, %.0f", 541 level * 2, "", this, mName.string(), clipRect->left, clipRect->top, 542 clipRect->right, clipRect->bottom); 543#endif 544 545 LinearAllocator& alloc = handler.allocator(); 546 int restoreTo = renderer.getSaveCount(); 547 handler(new (alloc) SaveOp(SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag), 548 PROPERTY_SAVECOUNT, properties().getClipToBounds()); 549 550 DISPLAY_LIST_LOGD("%*sSave %d %d", (level + 1) * 2, "", 551 SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag, restoreTo); 552 553 setViewProperties<T>(renderer, handler); 554 555 bool quickRejected = properties().getClipToBounds() 556 && renderer.quickRejectConservative(0, 0, properties().getWidth(), properties().getHeight()); 557 if (!quickRejected) { 558 Vector<ZDrawDisplayListOpPair> zTranslatedNodes; 559 buildZSortedChildList(zTranslatedNodes); 560 561 // for 3d root, draw children with negative z values 562 issueOperationsOf3dChildren(zTranslatedNodes, kNegativeZChildren, renderer, handler); 563 564 DisplayListLogBuffer& logBuffer = DisplayListLogBuffer::getInstance(); 565 const int saveCountOffset = renderer.getSaveCount() - 1; 566 const int projectionReceiveIndex = mDisplayListData->projectionReceiveIndex; 567 for (unsigned int i = 0; i < mDisplayListData->displayListOps.size(); i++) { 568 DisplayListOp *op = mDisplayListData->displayListOps[i]; 569 570#if DEBUG_DISPLAY_LIST 571 op->output(level + 1); 572#endif 573 logBuffer.writeCommand(level, op->name()); 574 handler(op, saveCountOffset, properties().getClipToBounds()); 575 576 if (CC_UNLIKELY(i == projectionReceiveIndex && mProjectedNodes.size() > 0)) { 577 issueOperationsOfProjectedChildren(renderer, handler); 578 } 579 } 580 581 // for 3d root, draw children with positive z values 582 issueOperationsOf3dChildren(zTranslatedNodes, kPositiveZChildren, renderer, handler); 583 } 584 585 DISPLAY_LIST_LOGD("%*sRestoreToCount %d", (level + 1) * 2, "", restoreTo); 586 handler(new (alloc) RestoreToCountOp(restoreTo), 587 PROPERTY_SAVECOUNT, properties().getClipToBounds()); 588 renderer.setOverrideLayerAlpha(1.0f); 589 590 handler.endMark(); 591} 592 593} /* namespace uirenderer */ 594} /* namespace android */ 595