DeferredDisplayList.cpp revision 2507c34d91bb0d722b6012e85cb47387b2aa6873
1/* 2 * Copyright (C) 2013 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 LOG_TAG "OpenGLRenderer" 18#define ATRACE_TAG ATRACE_TAG_VIEW 19 20#include <SkCanvas.h> 21 22#include <utils/Trace.h> 23#include <ui/Rect.h> 24#include <ui/Region.h> 25 26#include "Caches.h" 27#include "Debug.h" 28#include "DeferredDisplayList.h" 29#include "DisplayListOp.h" 30#include "OpenGLRenderer.h" 31#include "Properties.h" 32#include "utils/MathUtils.h" 33 34#if DEBUG_DEFER 35 #define DEFER_LOGD(...) ALOGD(__VA_ARGS__) 36#else 37 #define DEFER_LOGD(...) 38#endif 39 40namespace android { 41namespace uirenderer { 42 43// Depth of the save stack at the beginning of batch playback at flush time 44#define FLUSH_SAVE_STACK_DEPTH 2 45 46#define DEBUG_COLOR_BARRIER 0x1f000000 47#define DEBUG_COLOR_MERGEDBATCH 0x5f7f7fff 48#define DEBUG_COLOR_MERGEDBATCH_SOLO 0x5f7fff7f 49 50///////////////////////////////////////////////////////////////////////////////// 51// Operation Batches 52///////////////////////////////////////////////////////////////////////////////// 53 54class Batch { 55public: 56 virtual void replay(OpenGLRenderer& renderer, Rect& dirty, int index) = 0; 57 virtual ~Batch() {} 58 virtual bool purelyDrawBatch() { return false; } 59 virtual bool coversBounds(const Rect& bounds) { return false; } 60}; 61 62class DrawBatch : public Batch { 63public: 64 DrawBatch(const DeferInfo& deferInfo) : mAllOpsOpaque(true), 65 mBatchId(deferInfo.batchId), mMergeId(deferInfo.mergeId) { 66 mOps.clear(); 67 } 68 69 virtual ~DrawBatch() { mOps.clear(); } 70 71 virtual void add(DrawOp* op, const DeferredDisplayState* state, bool opaqueOverBounds) { 72 // NOTE: ignore empty bounds special case, since we don't merge across those ops 73 mBounds.unionWith(state->mBounds); 74 mAllOpsOpaque &= opaqueOverBounds; 75 mOps.add(OpStatePair(op, state)); 76 } 77 78 bool intersects(const Rect& rect) { 79 if (!rect.intersects(mBounds)) return false; 80 81 for (unsigned int i = 0; i < mOps.size(); i++) { 82 if (rect.intersects(mOps[i].state->mBounds)) { 83#if DEBUG_DEFER 84 DEFER_LOGD("op intersects with op %p with bounds %f %f %f %f:", mOps[i].op, 85 mOps[i].state->mBounds.left, mOps[i].state->mBounds.top, 86 mOps[i].state->mBounds.right, mOps[i].state->mBounds.bottom); 87 mOps[i].op->output(2); 88#endif 89 return true; 90 } 91 } 92 return false; 93 } 94 95 virtual void replay(OpenGLRenderer& renderer, Rect& dirty, int index) override { 96 DEFER_LOGD("%d replaying DrawBatch %p, with %d ops (batch id %x, merge id %p)", 97 index, this, mOps.size(), getBatchId(), getMergeId()); 98 99 for (unsigned int i = 0; i < mOps.size(); i++) { 100 DrawOp* op = mOps[i].op; 101 const DeferredDisplayState* state = mOps[i].state; 102 renderer.restoreDisplayState(*state); 103 104#if DEBUG_DISPLAY_LIST_OPS_AS_EVENTS 105 renderer.eventMark(op->name()); 106#endif 107 op->applyDraw(renderer, dirty); 108 109#if DEBUG_MERGE_BEHAVIOR 110 const Rect& bounds = state->mBounds; 111 int batchColor = 0x1f000000; 112 if (getBatchId() & 0x1) batchColor |= 0x0000ff; 113 if (getBatchId() & 0x2) batchColor |= 0x00ff00; 114 if (getBatchId() & 0x4) batchColor |= 0xff0000; 115 renderer.drawScreenSpaceColorRect(bounds.left, bounds.top, bounds.right, bounds.bottom, 116 batchColor); 117#endif 118 } 119 } 120 121 virtual bool purelyDrawBatch() override { return true; } 122 123 virtual bool coversBounds(const Rect& bounds) override { 124 if (CC_LIKELY(!mAllOpsOpaque || !mBounds.contains(bounds) || count() == 1)) return false; 125 126 Region uncovered(android::Rect(bounds.left, bounds.top, bounds.right, bounds.bottom)); 127 for (unsigned int i = 0; i < mOps.size(); i++) { 128 const Rect &r = mOps[i].state->mBounds; 129 uncovered.subtractSelf(android::Rect(r.left, r.top, r.right, r.bottom)); 130 } 131 return uncovered.isEmpty(); 132 } 133 134 inline int getBatchId() const { return mBatchId; } 135 inline mergeid_t getMergeId() const { return mMergeId; } 136 inline int count() const { return mOps.size(); } 137 138protected: 139 Vector<OpStatePair> mOps; 140 Rect mBounds; // union of bounds of contained ops 141private: 142 bool mAllOpsOpaque; 143 int mBatchId; 144 mergeid_t mMergeId; 145}; 146 147class MergingDrawBatch : public DrawBatch { 148public: 149 MergingDrawBatch(DeferInfo& deferInfo, int width, int height) : 150 DrawBatch(deferInfo), mClipRect(width, height), 151 mClipSideFlags(kClipSide_None) {} 152 153 /* 154 * Helper for determining if a new op can merge with a MergingDrawBatch based on their bounds 155 * and clip side flags. Positive bounds delta means new bounds fit in old. 156 */ 157 static inline bool checkSide(const int currentFlags, const int newFlags, const int side, 158 float boundsDelta) { 159 bool currentClipExists = currentFlags & side; 160 bool newClipExists = newFlags & side; 161 162 // if current is clipped, we must be able to fit new bounds in current 163 if (boundsDelta > 0 && currentClipExists) return false; 164 165 // if new is clipped, we must be able to fit current bounds in new 166 if (boundsDelta < 0 && newClipExists) return false; 167 168 return true; 169 } 170 171 /* 172 * Checks if a (mergeable) op can be merged into this batch 173 * 174 * If true, the op's multiDraw must be guaranteed to handle both ops simultaneously, so it is 175 * important to consider all paint attributes used in the draw calls in deciding both a) if an 176 * op tries to merge at all, and b) if the op can merge with another set of ops 177 * 178 * False positives can lead to information from the paints of subsequent merged operations being 179 * dropped, so we make simplifying qualifications on the ops that can merge, per op type. 180 */ 181 bool canMergeWith(const DrawOp* op, const DeferredDisplayState* state) { 182 bool isTextBatch = getBatchId() == DeferredDisplayList::kOpBatch_Text || 183 getBatchId() == DeferredDisplayList::kOpBatch_ColorText; 184 185 // Overlapping other operations is only allowed for text without shadow. For other ops, 186 // multiDraw isn't guaranteed to overdraw correctly 187 if (!isTextBatch || op->hasTextShadow()) { 188 if (intersects(state->mBounds)) return false; 189 } 190 const DeferredDisplayState* lhs = state; 191 const DeferredDisplayState* rhs = mOps[0].state; 192 193 if (!MathUtils::areEqual(lhs->mAlpha, rhs->mAlpha)) return false; 194 195 // Identical round rect clip state means both ops will clip in the same way, or not at all. 196 // As the state objects are const, we can compare their pointers to determine mergeability 197 if (lhs->mRoundRectClipState != rhs->mRoundRectClipState) return false; 198 199 /* Clipping compatibility check 200 * 201 * Exploits the fact that if a op or batch is clipped on a side, its bounds will equal its 202 * clip for that side. 203 */ 204 const int currentFlags = mClipSideFlags; 205 const int newFlags = state->mClipSideFlags; 206 if (currentFlags != kClipSide_None || newFlags != kClipSide_None) { 207 const Rect& opBounds = state->mBounds; 208 float boundsDelta = mBounds.left - opBounds.left; 209 if (!checkSide(currentFlags, newFlags, kClipSide_Left, boundsDelta)) return false; 210 boundsDelta = mBounds.top - opBounds.top; 211 if (!checkSide(currentFlags, newFlags, kClipSide_Top, boundsDelta)) return false; 212 213 // right and bottom delta calculation reversed to account for direction 214 boundsDelta = opBounds.right - mBounds.right; 215 if (!checkSide(currentFlags, newFlags, kClipSide_Right, boundsDelta)) return false; 216 boundsDelta = opBounds.bottom - mBounds.bottom; 217 if (!checkSide(currentFlags, newFlags, kClipSide_Bottom, boundsDelta)) return false; 218 } 219 220 // if paints are equal, then modifiers + paint attribs don't need to be compared 221 if (op->mPaint == mOps[0].op->mPaint) return true; 222 223 if (op->getPaintAlpha() != mOps[0].op->getPaintAlpha()) return false; 224 225 if (op->mPaint && mOps[0].op->mPaint && 226 op->mPaint->getColorFilter() != mOps[0].op->mPaint->getColorFilter()) { 227 return false; 228 } 229 230 if (op->mPaint && mOps[0].op->mPaint && 231 op->mPaint->getShader() != mOps[0].op->mPaint->getShader()) { 232 return false; 233 } 234 235 return true; 236 } 237 238 virtual void add(DrawOp* op, const DeferredDisplayState* state, 239 bool opaqueOverBounds) override { 240 DrawBatch::add(op, state, opaqueOverBounds); 241 242 const int newClipSideFlags = state->mClipSideFlags; 243 mClipSideFlags |= newClipSideFlags; 244 if (newClipSideFlags & kClipSide_Left) mClipRect.left = state->mClip.left; 245 if (newClipSideFlags & kClipSide_Top) mClipRect.top = state->mClip.top; 246 if (newClipSideFlags & kClipSide_Right) mClipRect.right = state->mClip.right; 247 if (newClipSideFlags & kClipSide_Bottom) mClipRect.bottom = state->mClip.bottom; 248 } 249 250 virtual void replay(OpenGLRenderer& renderer, Rect& dirty, int index) override { 251 DEFER_LOGD("%d replaying MergingDrawBatch %p, with %d ops," 252 " clip flags %x (batch id %x, merge id %p)", 253 index, this, mOps.size(), mClipSideFlags, getBatchId(), getMergeId()); 254 if (mOps.size() == 1) { 255 DrawBatch::replay(renderer, dirty, -1); 256 return; 257 } 258 259 // clipping in the merged case is done ahead of time since all ops share the clip (if any) 260 renderer.setupMergedMultiDraw(mClipSideFlags ? &mClipRect : nullptr); 261 262 DrawOp* op = mOps[0].op; 263#if DEBUG_DISPLAY_LIST_OPS_AS_EVENTS 264 renderer.eventMark("multiDraw"); 265 renderer.eventMark(op->name()); 266#endif 267 op->multiDraw(renderer, dirty, mOps, mBounds); 268 269#if DEBUG_MERGE_BEHAVIOR 270 renderer.drawScreenSpaceColorRect(mBounds.left, mBounds.top, mBounds.right, mBounds.bottom, 271 DEBUG_COLOR_MERGEDBATCH); 272#endif 273 } 274 275private: 276 /* 277 * Contains the effective clip rect shared by all merged ops. Initialized to the layer viewport, 278 * it will shrink if an op must be clipped on a certain side. The clipped sides are reflected in 279 * mClipSideFlags. 280 */ 281 Rect mClipRect; 282 int mClipSideFlags; 283}; 284 285class StateOpBatch : public Batch { 286public: 287 // creates a single operation batch 288 StateOpBatch(const StateOp* op, const DeferredDisplayState* state) : mOp(op), mState(state) {} 289 290 virtual void replay(OpenGLRenderer& renderer, Rect& dirty, int index) override { 291 DEFER_LOGD("replaying state op batch %p", this); 292 renderer.restoreDisplayState(*mState); 293 294 // use invalid save count because it won't be used at flush time - RestoreToCountOp is the 295 // only one to use it, and we don't use that class at flush time, instead calling 296 // renderer.restoreToCount directly 297 int saveCount = -1; 298 mOp->applyState(renderer, saveCount); 299 } 300 301private: 302 const StateOp* mOp; 303 const DeferredDisplayState* mState; 304}; 305 306class RestoreToCountBatch : public Batch { 307public: 308 RestoreToCountBatch(const StateOp* op, const DeferredDisplayState* state, int restoreCount) : 309 mState(state), mRestoreCount(restoreCount) {} 310 311 virtual void replay(OpenGLRenderer& renderer, Rect& dirty, int index) override { 312 DEFER_LOGD("batch %p restoring to count %d", this, mRestoreCount); 313 314 renderer.restoreDisplayState(*mState); 315 renderer.restoreToCount(mRestoreCount); 316 } 317 318private: 319 // we use the state storage for the RestoreToCountOp, but don't replay the op itself 320 const DeferredDisplayState* mState; 321 322 /* 323 * The count used here represents the flush() time saveCount. This is as opposed to the 324 * DisplayList record time, or defer() time values (which are RestoreToCountOp's mCount, and 325 * (saveCount + mCount) respectively). Since the count is different from the original 326 * RestoreToCountOp, we don't store a pointer to the op, as elsewhere. 327 */ 328 const int mRestoreCount; 329}; 330 331#if DEBUG_MERGE_BEHAVIOR 332class BarrierDebugBatch : public Batch { 333 virtual void replay(OpenGLRenderer& renderer, Rect& dirty, int index) { 334 renderer.drawScreenSpaceColorRect(0, 0, 10000, 10000, DEBUG_COLOR_BARRIER); 335 } 336}; 337#endif 338 339///////////////////////////////////////////////////////////////////////////////// 340// DeferredDisplayList 341///////////////////////////////////////////////////////////////////////////////// 342 343void DeferredDisplayList::resetBatchingState() { 344 for (int i = 0; i < kOpBatch_Count; i++) { 345 mBatchLookup[i] = nullptr; 346 mMergingBatches[i].clear(); 347 } 348#if DEBUG_MERGE_BEHAVIOR 349 if (mBatches.size() != 0) { 350 mBatches.add(new BarrierDebugBatch()); 351 } 352#endif 353 mEarliestBatchIndex = mBatches.size(); 354} 355 356void DeferredDisplayList::clear() { 357 resetBatchingState(); 358 mComplexClipStackStart = -1; 359 360 for (unsigned int i = 0; i < mBatches.size(); i++) { 361 delete mBatches[i]; 362 } 363 mBatches.clear(); 364 mSaveStack.clear(); 365 mEarliestBatchIndex = 0; 366 mEarliestUnclearedIndex = 0; 367} 368 369///////////////////////////////////////////////////////////////////////////////// 370// Operation adding 371///////////////////////////////////////////////////////////////////////////////// 372 373int DeferredDisplayList::getStateOpDeferFlags() const { 374 // For both clipOp and save(Layer)Op, we don't want to save drawing info, and only want to save 375 // the clip if we aren't recording a complex clip (and can thus trust it to be a rect) 376 return recordingComplexClip() ? 0 : kStateDeferFlag_Clip; 377} 378 379int DeferredDisplayList::getDrawOpDeferFlags() const { 380 return kStateDeferFlag_Draw | getStateOpDeferFlags(); 381} 382 383/** 384 * When an clipping operation occurs that could cause a complex clip, record the operation and all 385 * subsequent clipOps, save/restores (if the clip flag is set). During a flush, instead of loading 386 * the clip from deferred state, we play back all of the relevant state operations that generated 387 * the complex clip. 388 * 389 * Note that we don't need to record the associated restore operation, since operations at defer 390 * time record whether they should store the renderer's current clip 391 */ 392void DeferredDisplayList::addClip(OpenGLRenderer& renderer, ClipOp* op) { 393 if (recordingComplexClip() || op->canCauseComplexClip() || !renderer.hasRectToRectTransform()) { 394 DEFER_LOGD("%p Received complex clip operation %p", this, op); 395 396 // NOTE: defer clip op before setting mComplexClipStackStart so previous clip is recorded 397 storeStateOpBarrier(renderer, op); 398 399 if (!recordingComplexClip()) { 400 mComplexClipStackStart = renderer.getSaveCount() - 1; 401 DEFER_LOGD(" Starting complex clip region, start is %d", mComplexClipStackStart); 402 } 403 } 404} 405 406/** 407 * For now, we record save layer operations as barriers in the batch list, preventing drawing 408 * operations from reordering around the saveLayer and it's associated restore() 409 * 410 * In the future, we should send saveLayer commands (if they can be played out of order) and their 411 * contained drawing operations to a seperate list of batches, so that they may draw at the 412 * beginning of the frame. This would avoid targetting and removing an FBO in the middle of a frame. 413 * 414 * saveLayer operations should be pulled to the beginning of the frame if the canvas doesn't have a 415 * complex clip, and if the flags (kClip_SaveFlag & kClipToLayer_SaveFlag) are set. 416 */ 417void DeferredDisplayList::addSaveLayer(OpenGLRenderer& renderer, 418 SaveLayerOp* op, int newSaveCount) { 419 DEFER_LOGD("%p adding saveLayerOp %p, flags %x, new count %d", 420 this, op, op->getFlags(), newSaveCount); 421 422 storeStateOpBarrier(renderer, op); 423 mSaveStack.push(newSaveCount); 424} 425 426/** 427 * Takes save op and it's return value - the new save count - and stores it into the stream as a 428 * barrier if it's needed to properly modify a complex clip 429 */ 430void DeferredDisplayList::addSave(OpenGLRenderer& renderer, SaveOp* op, int newSaveCount) { 431 int saveFlags = op->getFlags(); 432 DEFER_LOGD("%p adding saveOp %p, flags %x, new count %d", this, op, saveFlags, newSaveCount); 433 434 if (recordingComplexClip() && (saveFlags & SkCanvas::kClip_SaveFlag)) { 435 // store and replay the save operation, as it may be needed to correctly playback the clip 436 DEFER_LOGD(" adding save barrier with new save count %d", newSaveCount); 437 storeStateOpBarrier(renderer, op); 438 mSaveStack.push(newSaveCount); 439 } 440} 441 442/** 443 * saveLayer() commands must be associated with a restoreToCount batch that will clean up and draw 444 * the layer in the deferred list 445 * 446 * other save() commands which occur as children of a snapshot with complex clip will be deferred, 447 * and must be restored 448 * 449 * Either will act as a barrier to draw operation reordering, as we want to play back layer 450 * save/restore and complex canvas modifications (including save/restore) in order. 451 */ 452void DeferredDisplayList::addRestoreToCount(OpenGLRenderer& renderer, StateOp* op, 453 int newSaveCount) { 454 DEFER_LOGD("%p addRestoreToCount %d", this, newSaveCount); 455 456 if (recordingComplexClip() && newSaveCount <= mComplexClipStackStart) { 457 mComplexClipStackStart = -1; 458 resetBatchingState(); 459 } 460 461 if (mSaveStack.isEmpty() || newSaveCount > mSaveStack.top()) { 462 return; 463 } 464 465 while (!mSaveStack.isEmpty() && mSaveStack.top() >= newSaveCount) mSaveStack.pop(); 466 467 storeRestoreToCountBarrier(renderer, op, mSaveStack.size() + FLUSH_SAVE_STACK_DEPTH); 468} 469 470void DeferredDisplayList::addDrawOp(OpenGLRenderer& renderer, DrawOp* op) { 471 /* 1: op calculates local bounds */ 472 DeferredDisplayState* const state = createState(); 473 if (op->getLocalBounds(state->mBounds)) { 474 if (state->mBounds.isEmpty()) { 475 // valid empty bounds, don't bother deferring 476 tryRecycleState(state); 477 return; 478 } 479 } else { 480 state->mBounds.setEmpty(); 481 } 482 483 /* 2: renderer calculates global bounds + stores state */ 484 if (renderer.storeDisplayState(*state, getDrawOpDeferFlags())) { 485 tryRecycleState(state); 486 return; // quick rejected 487 } 488 489 /* 3: ask op for defer info, given renderer state */ 490 DeferInfo deferInfo; 491 op->onDefer(renderer, deferInfo, *state); 492 493 // complex clip has a complex set of expectations on the renderer state - for now, avoid taking 494 // the merge path in those cases 495 deferInfo.mergeable &= !recordingComplexClip(); 496 deferInfo.opaqueOverBounds &= !recordingComplexClip() && mSaveStack.isEmpty(); 497 498 if (CC_LIKELY(mAvoidOverdraw) && mBatches.size() && 499 state->mClipSideFlags != kClipSide_ConservativeFull && 500 deferInfo.opaqueOverBounds && state->mBounds.contains(mBounds)) { 501 // avoid overdraw by resetting drawing state + discarding drawing ops 502 discardDrawingBatches(mBatches.size() - 1); 503 resetBatchingState(); 504 } 505 506 if (CC_UNLIKELY(Properties::drawReorderDisabled)) { 507 // TODO: elegant way to reuse batches? 508 DrawBatch* b = new DrawBatch(deferInfo); 509 b->add(op, state, deferInfo.opaqueOverBounds); 510 mBatches.add(b); 511 return; 512 } 513 514 // find the latest batch of the new op's type, and try to merge the new op into it 515 DrawBatch* targetBatch = nullptr; 516 517 // insertion point of a new batch, will hopefully be immediately after similar batch 518 // (eventually, should be similar shader) 519 int insertBatchIndex = mBatches.size(); 520 if (!mBatches.isEmpty()) { 521 if (state->mBounds.isEmpty()) { 522 // don't know the bounds for op, so add to last batch and start from scratch on next op 523 DrawBatch* b = new DrawBatch(deferInfo); 524 b->add(op, state, deferInfo.opaqueOverBounds); 525 mBatches.add(b); 526 resetBatchingState(); 527#if DEBUG_DEFER 528 DEFER_LOGD("Warning: Encountered op with empty bounds, resetting batches"); 529 op->output(2); 530#endif 531 return; 532 } 533 534 if (deferInfo.mergeable) { 535 // Try to merge with any existing batch with same mergeId. 536 if (mMergingBatches[deferInfo.batchId].get(deferInfo.mergeId, targetBatch)) { 537 if (!((MergingDrawBatch*) targetBatch)->canMergeWith(op, state)) { 538 targetBatch = nullptr; 539 } 540 } 541 } else { 542 // join with similar, non-merging batch 543 targetBatch = (DrawBatch*)mBatchLookup[deferInfo.batchId]; 544 } 545 546 if (targetBatch || deferInfo.mergeable) { 547 // iterate back toward target to see if anything drawn since should overlap the new op 548 // if no target, merging ops still interate to find similar batch to insert after 549 for (int i = mBatches.size() - 1; i >= mEarliestBatchIndex; i--) { 550 DrawBatch* overBatch = (DrawBatch*)mBatches[i]; 551 552 if (overBatch == targetBatch) break; 553 554 // TODO: also consider shader shared between batch types 555 if (deferInfo.batchId == overBatch->getBatchId()) { 556 insertBatchIndex = i + 1; 557 if (!targetBatch) break; // found insert position, quit 558 } 559 560 if (overBatch->intersects(state->mBounds)) { 561 // NOTE: it may be possible to optimize for special cases where two operations 562 // of the same batch/paint could swap order, such as with a non-mergeable 563 // (clipped) and a mergeable text operation 564 targetBatch = nullptr; 565#if DEBUG_DEFER 566 DEFER_LOGD("op couldn't join batch %p, was intersected by batch %d", 567 targetBatch, i); 568 op->output(2); 569#endif 570 break; 571 } 572 } 573 } 574 } 575 576 if (!targetBatch) { 577 if (deferInfo.mergeable) { 578 targetBatch = new MergingDrawBatch(deferInfo, 579 renderer.getViewportWidth(), renderer.getViewportHeight()); 580 mMergingBatches[deferInfo.batchId].put(deferInfo.mergeId, targetBatch); 581 } else { 582 targetBatch = new DrawBatch(deferInfo); 583 mBatchLookup[deferInfo.batchId] = targetBatch; 584 } 585 586 DEFER_LOGD("creating %singBatch %p, bid %x, at %d", 587 deferInfo.mergeable ? "Merg" : "Draw", 588 targetBatch, deferInfo.batchId, insertBatchIndex); 589 mBatches.insertAt(targetBatch, insertBatchIndex); 590 } 591 592 targetBatch->add(op, state, deferInfo.opaqueOverBounds); 593} 594 595void DeferredDisplayList::storeStateOpBarrier(OpenGLRenderer& renderer, StateOp* op) { 596 DEFER_LOGD("%p adding state op barrier at pos %d", this, mBatches.size()); 597 598 DeferredDisplayState* state = createState(); 599 renderer.storeDisplayState(*state, getStateOpDeferFlags()); 600 mBatches.add(new StateOpBatch(op, state)); 601 resetBatchingState(); 602} 603 604void DeferredDisplayList::storeRestoreToCountBarrier(OpenGLRenderer& renderer, StateOp* op, 605 int newSaveCount) { 606 DEFER_LOGD("%p adding restore to count %d barrier, pos %d", 607 this, newSaveCount, mBatches.size()); 608 609 // store displayState for the restore operation, as it may be associated with a saveLayer that 610 // doesn't have kClip_SaveFlag set 611 DeferredDisplayState* state = createState(); 612 renderer.storeDisplayState(*state, getStateOpDeferFlags()); 613 mBatches.add(new RestoreToCountBatch(op, state, newSaveCount)); 614 resetBatchingState(); 615} 616 617///////////////////////////////////////////////////////////////////////////////// 618// Replay / flush 619///////////////////////////////////////////////////////////////////////////////// 620 621static void replayBatchList(const Vector<Batch*>& batchList, 622 OpenGLRenderer& renderer, Rect& dirty) { 623 624 for (unsigned int i = 0; i < batchList.size(); i++) { 625 if (batchList[i]) { 626 batchList[i]->replay(renderer, dirty, i); 627 } 628 } 629 DEFER_LOGD("--flushed, drew %d batches", batchList.size()); 630} 631 632void DeferredDisplayList::flush(OpenGLRenderer& renderer, Rect& dirty) { 633 ATRACE_NAME("flush drawing commands"); 634 Caches::getInstance().fontRenderer->endPrecaching(); 635 636 if (isEmpty()) return; // nothing to flush 637 renderer.restoreToCount(1); 638 639 DEFER_LOGD("--flushing"); 640 renderer.eventMark("Flush"); 641 642 // save and restore so that reordering doesn't affect final state 643 renderer.save(SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 644 645 if (CC_LIKELY(mAvoidOverdraw)) { 646 for (unsigned int i = 1; i < mBatches.size(); i++) { 647 if (mBatches[i] && mBatches[i]->coversBounds(mBounds)) { 648 discardDrawingBatches(i - 1); 649 } 650 } 651 } 652 // NOTE: depth of the save stack at this point, before playback, should be reflected in 653 // FLUSH_SAVE_STACK_DEPTH, so that save/restores match up correctly 654 replayBatchList(mBatches, renderer, dirty); 655 656 renderer.restoreToCount(1); 657 658 DEFER_LOGD("--flush complete, returning %x", status); 659 clear(); 660} 661 662void DeferredDisplayList::discardDrawingBatches(const unsigned int maxIndex) { 663 for (unsigned int i = mEarliestUnclearedIndex; i <= maxIndex; i++) { 664 // leave deferred state ops alone for simplicity (empty save restore pairs may now exist) 665 if (mBatches[i] && mBatches[i]->purelyDrawBatch()) { 666 delete mBatches[i]; 667 mBatches.replaceAt(nullptr, i); 668 } 669 } 670 mEarliestUnclearedIndex = maxIndex + 1; 671} 672 673}; // namespace uirenderer 674}; // namespace android 675