DeferredDisplayList.cpp revision 64bb413a664001c95c8439cf097dc3033f4ed733
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 "utils/MathUtils.h" 32 33#if DEBUG_DEFER 34 #define DEFER_LOGD(...) ALOGD(__VA_ARGS__) 35#else 36 #define DEFER_LOGD(...) 37#endif 38 39namespace android { 40namespace uirenderer { 41 42// Depth of the save stack at the beginning of batch playback at flush time 43#define FLUSH_SAVE_STACK_DEPTH 2 44 45#define DEBUG_COLOR_BARRIER 0x1f000000 46#define DEBUG_COLOR_MERGEDBATCH 0x5f7f7fff 47#define DEBUG_COLOR_MERGEDBATCH_SOLO 0x5f7fff7f 48 49///////////////////////////////////////////////////////////////////////////////// 50// Operation Batches 51///////////////////////////////////////////////////////////////////////////////// 52 53class Batch { 54public: 55 virtual void replay(OpenGLRenderer& renderer, Rect& dirty, int index) = 0; 56 virtual ~Batch() {} 57 virtual bool purelyDrawBatch() { return false; } 58 virtual bool coversBounds(const Rect& bounds) { return false; } 59}; 60 61class DrawBatch : public Batch { 62public: 63 DrawBatch(const DeferInfo& deferInfo) : mAllOpsOpaque(true), 64 mBatchId(deferInfo.batchId), mMergeId(deferInfo.mergeId) { 65 mOps.clear(); 66 } 67 68 virtual ~DrawBatch() { mOps.clear(); } 69 70 virtual void add(DrawOp* op, const DeferredDisplayState* state, bool opaqueOverBounds) { 71 // NOTE: ignore empty bounds special case, since we don't merge across those ops 72 mBounds.unionWith(state->mBounds); 73 mAllOpsOpaque &= opaqueOverBounds; 74 mOps.add(OpStatePair(op, state)); 75 } 76 77 bool intersects(const Rect& rect) { 78 if (!rect.intersects(mBounds)) return false; 79 80 for (unsigned int i = 0; i < mOps.size(); i++) { 81 if (rect.intersects(mOps[i].state->mBounds)) { 82#if DEBUG_DEFER 83 DEFER_LOGD("op intersects with op %p with bounds %f %f %f %f:", mOps[i].op, 84 mOps[i].state->mBounds.left, mOps[i].state->mBounds.top, 85 mOps[i].state->mBounds.right, mOps[i].state->mBounds.bottom); 86 mOps[i].op->output(2); 87#endif 88 return true; 89 } 90 } 91 return false; 92 } 93 94 virtual void replay(OpenGLRenderer& renderer, Rect& dirty, int index) { 95 DEFER_LOGD("%d replaying DrawBatch %p, with %d ops (batch id %x, merge id %p)", 96 index, this, mOps.size(), getBatchId(), getMergeId()); 97 98 DisplayListLogBuffer& logBuffer = DisplayListLogBuffer::getInstance(); 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 logBuffer.writeCommand(0, op->name()); 108 op->applyDraw(renderer, dirty); 109 110#if DEBUG_MERGE_BEHAVIOR 111 const Rect& bounds = state->mBounds; 112 int batchColor = 0x1f000000; 113 if (getBatchId() & 0x1) batchColor |= 0x0000ff; 114 if (getBatchId() & 0x2) batchColor |= 0x00ff00; 115 if (getBatchId() & 0x4) batchColor |= 0xff0000; 116 renderer.drawScreenSpaceColorRect(bounds.left, bounds.top, bounds.right, bounds.bottom, 117 batchColor); 118#endif 119 } 120 } 121 122 virtual bool purelyDrawBatch() { return true; } 123 124 virtual bool coversBounds(const Rect& bounds) { 125 if (CC_LIKELY(!mAllOpsOpaque || !mBounds.contains(bounds) || count() == 1)) return false; 126 127 Region uncovered(android::Rect(bounds.left, bounds.top, bounds.right, bounds.bottom)); 128 for (unsigned int i = 0; i < mOps.size(); i++) { 129 const Rect &r = mOps[i].state->mBounds; 130 uncovered.subtractSelf(android::Rect(r.left, r.top, r.right, r.bottom)); 131 } 132 return uncovered.isEmpty(); 133 } 134 135 inline int getBatchId() const { return mBatchId; } 136 inline mergeid_t getMergeId() const { return mMergeId; } 137 inline int count() const { return mOps.size(); } 138 139protected: 140 Vector<OpStatePair> mOps; 141 Rect mBounds; // union of bounds of contained ops 142private: 143 bool mAllOpsOpaque; 144 int mBatchId; 145 mergeid_t mMergeId; 146}; 147 148class MergingDrawBatch : public DrawBatch { 149public: 150 MergingDrawBatch(DeferInfo& deferInfo, int width, int height) : 151 DrawBatch(deferInfo), mClipRect(width, height), 152 mClipSideFlags(kClipSide_None) {} 153 154 /* 155 * Helper for determining if a new op can merge with a MergingDrawBatch based on their bounds 156 * and clip side flags. Positive bounds delta means new bounds fit in old. 157 */ 158 static inline bool checkSide(const int currentFlags, const int newFlags, const int side, 159 float boundsDelta) { 160 bool currentClipExists = currentFlags & side; 161 bool newClipExists = newFlags & side; 162 163 // if current is clipped, we must be able to fit new bounds in current 164 if (boundsDelta > 0 && currentClipExists) return false; 165 166 // if new is clipped, we must be able to fit current bounds in new 167 if (boundsDelta < 0 && newClipExists) return false; 168 169 return true; 170 } 171 172 /* 173 * Checks if a (mergeable) op can be merged into this batch 174 * 175 * If true, the op's multiDraw must be guaranteed to handle both ops simultaneously, so it is 176 * important to consider all paint attributes used in the draw calls in deciding both a) if an 177 * op tries to merge at all, and b) if the op can merge with another set of ops 178 * 179 * False positives can lead to information from the paints of subsequent merged operations being 180 * dropped, so we make simplifying qualifications on the ops that can merge, per op type. 181 */ 182 bool canMergeWith(const DrawOp* op, const DeferredDisplayState* state) { 183 bool isTextBatch = getBatchId() == DeferredDisplayList::kOpBatch_Text || 184 getBatchId() == DeferredDisplayList::kOpBatch_ColorText; 185 186 // Overlapping other operations is only allowed for text without shadow. For other ops, 187 // multiDraw isn't guaranteed to overdraw correctly 188 if (!isTextBatch || op->hasTextShadow()) { 189 if (intersects(state->mBounds)) return false; 190 } 191 const DeferredDisplayState* lhs = state; 192 const DeferredDisplayState* rhs = mOps[0].state; 193 194 if (!MathUtils::areEqual(lhs->mAlpha, rhs->mAlpha)) return false; 195 196 // Identical round rect clip state means both ops will clip in the same way, or not at all. 197 // As the state objects are const, we can compare their pointers to determine mergeability 198 if (lhs->mRoundRectClipState != rhs->mRoundRectClipState) return false; 199 200 /* Clipping compatibility check 201 * 202 * Exploits the fact that if a op or batch is clipped on a side, its bounds will equal its 203 * clip for that side. 204 */ 205 const int currentFlags = mClipSideFlags; 206 const int newFlags = state->mClipSideFlags; 207 if (currentFlags != kClipSide_None || newFlags != kClipSide_None) { 208 const Rect& opBounds = state->mBounds; 209 float boundsDelta = mBounds.left - opBounds.left; 210 if (!checkSide(currentFlags, newFlags, kClipSide_Left, boundsDelta)) return false; 211 boundsDelta = mBounds.top - opBounds.top; 212 if (!checkSide(currentFlags, newFlags, kClipSide_Top, boundsDelta)) return false; 213 214 // right and bottom delta calculation reversed to account for direction 215 boundsDelta = opBounds.right - mBounds.right; 216 if (!checkSide(currentFlags, newFlags, kClipSide_Right, boundsDelta)) return false; 217 boundsDelta = opBounds.bottom - mBounds.bottom; 218 if (!checkSide(currentFlags, newFlags, kClipSide_Bottom, boundsDelta)) return false; 219 } 220 221 // if paints are equal, then modifiers + paint attribs don't need to be compared 222 if (op->mPaint == mOps[0].op->mPaint) return true; 223 224 if (op->getPaintAlpha() != mOps[0].op->getPaintAlpha()) return false; 225 226 if (op->mPaint && mOps[0].op->mPaint && 227 op->mPaint->getColorFilter() != mOps[0].op->mPaint->getColorFilter()) { 228 return false; 229 } 230 231 if (op->mPaint && mOps[0].op->mPaint && 232 op->mPaint->getShader() != mOps[0].op->mPaint->getShader()) { 233 return false; 234 } 235 236 return true; 237 } 238 239 virtual void add(DrawOp* op, const DeferredDisplayState* state, bool opaqueOverBounds) { 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) { 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 : NULL); 261 262 DrawOp* op = mOps[0].op; 263 DisplayListLogBuffer& buffer = DisplayListLogBuffer::getInstance(); 264 buffer.writeCommand(0, "multiDraw"); 265 buffer.writeCommand(1, op->name()); 266 267#if DEBUG_DISPLAY_LIST_OPS_AS_EVENTS 268 renderer.eventMark("multiDraw"); 269 renderer.eventMark(op->name()); 270#endif 271 op->multiDraw(renderer, dirty, mOps, mBounds); 272 273#if DEBUG_MERGE_BEHAVIOR 274 renderer.drawScreenSpaceColorRect(mBounds.left, mBounds.top, mBounds.right, mBounds.bottom, 275 DEBUG_COLOR_MERGEDBATCH); 276#endif 277 } 278 279private: 280 /* 281 * Contains the effective clip rect shared by all merged ops. Initialized to the layer viewport, 282 * it will shrink if an op must be clipped on a certain side. The clipped sides are reflected in 283 * mClipSideFlags. 284 */ 285 Rect mClipRect; 286 int mClipSideFlags; 287}; 288 289class StateOpBatch : public Batch { 290public: 291 // creates a single operation batch 292 StateOpBatch(const StateOp* op, const DeferredDisplayState* state) : mOp(op), mState(state) {} 293 294 virtual void replay(OpenGLRenderer& renderer, Rect& dirty, int index) { 295 DEFER_LOGD("replaying state op batch %p", this); 296 renderer.restoreDisplayState(*mState); 297 298 // use invalid save count because it won't be used at flush time - RestoreToCountOp is the 299 // only one to use it, and we don't use that class at flush time, instead calling 300 // renderer.restoreToCount directly 301 int saveCount = -1; 302 mOp->applyState(renderer, saveCount); 303 } 304 305private: 306 const StateOp* mOp; 307 const DeferredDisplayState* mState; 308}; 309 310class RestoreToCountBatch : public Batch { 311public: 312 RestoreToCountBatch(const StateOp* op, const DeferredDisplayState* state, int restoreCount) : 313 mState(state), mRestoreCount(restoreCount) {} 314 315 virtual void replay(OpenGLRenderer& renderer, Rect& dirty, int index) { 316 DEFER_LOGD("batch %p restoring to count %d", this, mRestoreCount); 317 318 renderer.restoreDisplayState(*mState); 319 renderer.restoreToCount(mRestoreCount); 320 } 321 322private: 323 // we use the state storage for the RestoreToCountOp, but don't replay the op itself 324 const DeferredDisplayState* mState; 325 326 /* 327 * The count used here represents the flush() time saveCount. This is as opposed to the 328 * DisplayList record time, or defer() time values (which are RestoreToCountOp's mCount, and 329 * (saveCount + mCount) respectively). Since the count is different from the original 330 * RestoreToCountOp, we don't store a pointer to the op, as elsewhere. 331 */ 332 const int mRestoreCount; 333}; 334 335#if DEBUG_MERGE_BEHAVIOR 336class BarrierDebugBatch : public Batch { 337 virtual void replay(OpenGLRenderer& renderer, Rect& dirty, int index) { 338 renderer.drawScreenSpaceColorRect(0, 0, 10000, 10000, DEBUG_COLOR_BARRIER); 339 } 340}; 341#endif 342 343///////////////////////////////////////////////////////////////////////////////// 344// DeferredDisplayList 345///////////////////////////////////////////////////////////////////////////////// 346 347void DeferredDisplayList::resetBatchingState() { 348 for (int i = 0; i < kOpBatch_Count; i++) { 349 mBatchLookup[i] = NULL; 350 mMergingBatches[i].clear(); 351 } 352#if DEBUG_MERGE_BEHAVIOR 353 if (mBatches.size() != 0) { 354 mBatches.add(new BarrierDebugBatch()); 355 } 356#endif 357 mEarliestBatchIndex = mBatches.size(); 358} 359 360void DeferredDisplayList::clear() { 361 resetBatchingState(); 362 mComplexClipStackStart = -1; 363 364 for (unsigned int i = 0; i < mBatches.size(); i++) { 365 delete mBatches[i]; 366 } 367 mBatches.clear(); 368 mSaveStack.clear(); 369 mEarliestBatchIndex = 0; 370 mEarliestUnclearedIndex = 0; 371} 372 373///////////////////////////////////////////////////////////////////////////////// 374// Operation adding 375///////////////////////////////////////////////////////////////////////////////// 376 377int DeferredDisplayList::getStateOpDeferFlags() const { 378 // For both clipOp and save(Layer)Op, we don't want to save drawing info, and only want to save 379 // the clip if we aren't recording a complex clip (and can thus trust it to be a rect) 380 return recordingComplexClip() ? 0 : kStateDeferFlag_Clip; 381} 382 383int DeferredDisplayList::getDrawOpDeferFlags() const { 384 return kStateDeferFlag_Draw | getStateOpDeferFlags(); 385} 386 387/** 388 * When an clipping operation occurs that could cause a complex clip, record the operation and all 389 * subsequent clipOps, save/restores (if the clip flag is set). During a flush, instead of loading 390 * the clip from deferred state, we play back all of the relevant state operations that generated 391 * the complex clip. 392 * 393 * Note that we don't need to record the associated restore operation, since operations at defer 394 * time record whether they should store the renderer's current clip 395 */ 396void DeferredDisplayList::addClip(OpenGLRenderer& renderer, ClipOp* op) { 397 if (recordingComplexClip() || op->canCauseComplexClip() || !renderer.hasRectToRectTransform()) { 398 DEFER_LOGD("%p Received complex clip operation %p", this, op); 399 400 // NOTE: defer clip op before setting mComplexClipStackStart so previous clip is recorded 401 storeStateOpBarrier(renderer, op); 402 403 if (!recordingComplexClip()) { 404 mComplexClipStackStart = renderer.getSaveCount() - 1; 405 DEFER_LOGD(" Starting complex clip region, start is %d", mComplexClipStackStart); 406 } 407 } 408} 409 410/** 411 * For now, we record save layer operations as barriers in the batch list, preventing drawing 412 * operations from reordering around the saveLayer and it's associated restore() 413 * 414 * In the future, we should send saveLayer commands (if they can be played out of order) and their 415 * contained drawing operations to a seperate list of batches, so that they may draw at the 416 * beginning of the frame. This would avoid targetting and removing an FBO in the middle of a frame. 417 * 418 * saveLayer operations should be pulled to the beginning of the frame if the canvas doesn't have a 419 * complex clip, and if the flags (kClip_SaveFlag & kClipToLayer_SaveFlag) are set. 420 */ 421void DeferredDisplayList::addSaveLayer(OpenGLRenderer& renderer, 422 SaveLayerOp* op, int newSaveCount) { 423 DEFER_LOGD("%p adding saveLayerOp %p, flags %x, new count %d", 424 this, op, op->getFlags(), newSaveCount); 425 426 storeStateOpBarrier(renderer, op); 427 mSaveStack.push(newSaveCount); 428} 429 430/** 431 * Takes save op and it's return value - the new save count - and stores it into the stream as a 432 * barrier if it's needed to properly modify a complex clip 433 */ 434void DeferredDisplayList::addSave(OpenGLRenderer& renderer, SaveOp* op, int newSaveCount) { 435 int saveFlags = op->getFlags(); 436 DEFER_LOGD("%p adding saveOp %p, flags %x, new count %d", this, op, saveFlags, newSaveCount); 437 438 if (recordingComplexClip() && (saveFlags & SkCanvas::kClip_SaveFlag)) { 439 // store and replay the save operation, as it may be needed to correctly playback the clip 440 DEFER_LOGD(" adding save barrier with new save count %d", newSaveCount); 441 storeStateOpBarrier(renderer, op); 442 mSaveStack.push(newSaveCount); 443 } 444} 445 446/** 447 * saveLayer() commands must be associated with a restoreToCount batch that will clean up and draw 448 * the layer in the deferred list 449 * 450 * other save() commands which occur as children of a snapshot with complex clip will be deferred, 451 * and must be restored 452 * 453 * Either will act as a barrier to draw operation reordering, as we want to play back layer 454 * save/restore and complex canvas modifications (including save/restore) in order. 455 */ 456void DeferredDisplayList::addRestoreToCount(OpenGLRenderer& renderer, StateOp* op, 457 int newSaveCount) { 458 DEFER_LOGD("%p addRestoreToCount %d", this, newSaveCount); 459 460 if (recordingComplexClip() && newSaveCount <= mComplexClipStackStart) { 461 mComplexClipStackStart = -1; 462 resetBatchingState(); 463 } 464 465 if (mSaveStack.isEmpty() || newSaveCount > mSaveStack.top()) { 466 return; 467 } 468 469 while (!mSaveStack.isEmpty() && mSaveStack.top() >= newSaveCount) mSaveStack.pop(); 470 471 storeRestoreToCountBarrier(renderer, op, mSaveStack.size() + FLUSH_SAVE_STACK_DEPTH); 472} 473 474void DeferredDisplayList::addDrawOp(OpenGLRenderer& renderer, DrawOp* op) { 475 /* 1: op calculates local bounds */ 476 DeferredDisplayState* const state = createState(); 477 if (op->getLocalBounds(state->mBounds)) { 478 if (state->mBounds.isEmpty()) { 479 // valid empty bounds, don't bother deferring 480 tryRecycleState(state); 481 return; 482 } 483 } else { 484 state->mBounds.setEmpty(); 485 } 486 487 /* 2: renderer calculates global bounds + stores state */ 488 if (renderer.storeDisplayState(*state, getDrawOpDeferFlags())) { 489 tryRecycleState(state); 490 return; // quick rejected 491 } 492 493 /* 3: ask op for defer info, given renderer state */ 494 DeferInfo deferInfo; 495 op->onDefer(renderer, deferInfo, *state); 496 497 // complex clip has a complex set of expectations on the renderer state - for now, avoid taking 498 // the merge path in those cases 499 deferInfo.mergeable &= !recordingComplexClip(); 500 deferInfo.opaqueOverBounds &= !recordingComplexClip() && mSaveStack.isEmpty(); 501 502 if (mBatches.size() && 503 state->mClipSideFlags != kClipSide_ConservativeFull && 504 deferInfo.opaqueOverBounds && state->mBounds.contains(mBounds)) { 505 // avoid overdraw by resetting drawing state + discarding drawing ops 506 discardDrawingBatches(mBatches.size() - 1); 507 resetBatchingState(); 508 } 509 510 if (CC_UNLIKELY(renderer.getCaches().drawReorderDisabled)) { 511 // TODO: elegant way to reuse batches? 512 DrawBatch* b = new DrawBatch(deferInfo); 513 b->add(op, state, deferInfo.opaqueOverBounds); 514 mBatches.add(b); 515 return; 516 } 517 518 // find the latest batch of the new op's type, and try to merge the new op into it 519 DrawBatch* targetBatch = NULL; 520 521 // insertion point of a new batch, will hopefully be immediately after similar batch 522 // (eventually, should be similar shader) 523 int insertBatchIndex = mBatches.size(); 524 if (!mBatches.isEmpty()) { 525 if (state->mBounds.isEmpty()) { 526 // don't know the bounds for op, so add to last batch and start from scratch on next op 527 DrawBatch* b = new DrawBatch(deferInfo); 528 b->add(op, state, deferInfo.opaqueOverBounds); 529 mBatches.add(b); 530 resetBatchingState(); 531#if DEBUG_DEFER 532 DEFER_LOGD("Warning: Encountered op with empty bounds, resetting batches"); 533 op->output(2); 534#endif 535 return; 536 } 537 538 if (deferInfo.mergeable) { 539 // Try to merge with any existing batch with same mergeId. 540 if (mMergingBatches[deferInfo.batchId].get(deferInfo.mergeId, targetBatch)) { 541 if (!((MergingDrawBatch*) targetBatch)->canMergeWith(op, state)) { 542 targetBatch = NULL; 543 } 544 } 545 } else { 546 // join with similar, non-merging batch 547 targetBatch = (DrawBatch*)mBatchLookup[deferInfo.batchId]; 548 } 549 550 if (targetBatch || deferInfo.mergeable) { 551 // iterate back toward target to see if anything drawn since should overlap the new op 552 // if no target, merging ops still interate to find similar batch to insert after 553 for (int i = mBatches.size() - 1; i >= mEarliestBatchIndex; i--) { 554 DrawBatch* overBatch = (DrawBatch*)mBatches[i]; 555 556 if (overBatch == targetBatch) break; 557 558 // TODO: also consider shader shared between batch types 559 if (deferInfo.batchId == overBatch->getBatchId()) { 560 insertBatchIndex = i + 1; 561 if (!targetBatch) break; // found insert position, quit 562 } 563 564 if (overBatch->intersects(state->mBounds)) { 565 // NOTE: it may be possible to optimize for special cases where two operations 566 // of the same batch/paint could swap order, such as with a non-mergeable 567 // (clipped) and a mergeable text operation 568 targetBatch = NULL; 569#if DEBUG_DEFER 570 DEFER_LOGD("op couldn't join batch %p, was intersected by batch %d", 571 targetBatch, i); 572 op->output(2); 573#endif 574 break; 575 } 576 } 577 } 578 } 579 580 if (!targetBatch) { 581 if (deferInfo.mergeable) { 582 targetBatch = new MergingDrawBatch(deferInfo, 583 renderer.getViewportWidth(), renderer.getViewportHeight()); 584 mMergingBatches[deferInfo.batchId].put(deferInfo.mergeId, targetBatch); 585 } else { 586 targetBatch = new DrawBatch(deferInfo); 587 mBatchLookup[deferInfo.batchId] = targetBatch; 588 } 589 590 DEFER_LOGD("creating %singBatch %p, bid %x, at %d", 591 deferInfo.mergeable ? "Merg" : "Draw", 592 targetBatch, deferInfo.batchId, insertBatchIndex); 593 mBatches.insertAt(targetBatch, insertBatchIndex); 594 } 595 596 targetBatch->add(op, state, deferInfo.opaqueOverBounds); 597} 598 599void DeferredDisplayList::storeStateOpBarrier(OpenGLRenderer& renderer, StateOp* op) { 600 DEFER_LOGD("%p adding state op barrier at pos %d", this, mBatches.size()); 601 602 DeferredDisplayState* state = createState(); 603 renderer.storeDisplayState(*state, getStateOpDeferFlags()); 604 mBatches.add(new StateOpBatch(op, state)); 605 resetBatchingState(); 606} 607 608void DeferredDisplayList::storeRestoreToCountBarrier(OpenGLRenderer& renderer, StateOp* op, 609 int newSaveCount) { 610 DEFER_LOGD("%p adding restore to count %d barrier, pos %d", 611 this, newSaveCount, mBatches.size()); 612 613 // store displayState for the restore operation, as it may be associated with a saveLayer that 614 // doesn't have kClip_SaveFlag set 615 DeferredDisplayState* state = createState(); 616 renderer.storeDisplayState(*state, getStateOpDeferFlags()); 617 mBatches.add(new RestoreToCountBatch(op, state, newSaveCount)); 618 resetBatchingState(); 619} 620 621///////////////////////////////////////////////////////////////////////////////// 622// Replay / flush 623///////////////////////////////////////////////////////////////////////////////// 624 625static void replayBatchList(const Vector<Batch*>& batchList, 626 OpenGLRenderer& renderer, Rect& dirty) { 627 628 for (unsigned int i = 0; i < batchList.size(); i++) { 629 if (batchList[i]) { 630 batchList[i]->replay(renderer, dirty, i); 631 } 632 } 633 DEFER_LOGD("--flushed, drew %d batches", batchList.size()); 634} 635 636void DeferredDisplayList::flush(OpenGLRenderer& renderer, Rect& dirty) { 637 ATRACE_NAME("flush drawing commands"); 638 Caches::getInstance().fontRenderer->endPrecaching(); 639 640 if (isEmpty()) return; // nothing to flush 641 renderer.restoreToCount(1); 642 643 DEFER_LOGD("--flushing"); 644 renderer.eventMark("Flush"); 645 646 // save and restore (with draw modifiers) so that reordering doesn't affect final state 647 DrawModifiers restoreDrawModifiers = renderer.getDrawModifiers(); 648 renderer.save(SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 649 650 for (unsigned int i = 1; i < mBatches.size(); i++) { 651 if (mBatches[i] && mBatches[i]->coversBounds(mBounds)) { 652 discardDrawingBatches(i - 1); 653 } 654 } 655 656 // NOTE: depth of the save stack at this point, before playback, should be reflected in 657 // FLUSH_SAVE_STACK_DEPTH, so that save/restores match up correctly 658 replayBatchList(mBatches, renderer, dirty); 659 660 renderer.restoreToCount(1); 661 renderer.setDrawModifiers(restoreDrawModifiers); 662 663 DEFER_LOGD("--flush complete, returning %x", status); 664 clear(); 665} 666 667void DeferredDisplayList::discardDrawingBatches(const unsigned int maxIndex) { 668 for (unsigned int i = mEarliestUnclearedIndex; i <= maxIndex; i++) { 669 // leave deferred state ops alone for simplicity (empty save restore pairs may now exist) 670 if (mBatches[i] && mBatches[i]->purelyDrawBatch()) { 671 delete mBatches[i]; 672 mBatches.replaceAt(NULL, i); 673 } 674 } 675 mEarliestUnclearedIndex = maxIndex + 1; 676} 677 678}; // namespace uirenderer 679}; // namespace android 680