CanvasContext.cpp revision 290b23a1e11d532b39098bb58693ef97ba98a622
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#include "CanvasContext.h" 18 19#include "AnimationContext.h" 20#include "Caches.h" 21#include "DeferredLayerUpdater.h" 22#include "EglManager.h" 23#include "LayerUpdateQueue.h" 24#include "LayerRenderer.h" 25#include "OpenGLRenderer.h" 26#include "Properties.h" 27#include "RenderThread.h" 28#include "renderstate/RenderState.h" 29#include "renderstate/Stencil.h" 30#include "protos/hwui.pb.h" 31#include "utils/TimeUtils.h" 32 33#if HWUI_NEW_OPS 34#include "BakedOpRenderer.h" 35#include "OpReorderer.h" 36#endif 37 38#include <cutils/properties.h> 39#include <google/protobuf/io/zero_copy_stream_impl.h> 40#include <private/hwui/DrawGlInfo.h> 41#include <strings.h> 42 43#include <algorithm> 44#include <fcntl.h> 45#include <sys/stat.h> 46 47#include <cstdlib> 48 49#define TRIM_MEMORY_COMPLETE 80 50#define TRIM_MEMORY_UI_HIDDEN 20 51 52#define ENABLE_RENDERNODE_SERIALIZATION false 53 54#define LOG_FRAMETIME_MMA 0 55 56#if LOG_FRAMETIME_MMA 57static float sBenchMma = 0; 58static int sFrameCount = 0; 59static const float NANOS_PER_MILLIS_F = 1000000.0f; 60#endif 61 62namespace android { 63namespace uirenderer { 64namespace renderthread { 65 66CanvasContext::CanvasContext(RenderThread& thread, bool translucent, 67 RenderNode* rootRenderNode, IContextFactory* contextFactory) 68 : mRenderThread(thread) 69 , mEglManager(thread.eglManager()) 70 , mOpaque(!translucent) 71 , mAnimationContext(contextFactory->createAnimationContext(mRenderThread.timeLord())) 72 , mJankTracker(thread.timeLord().frameIntervalNanos()) 73 , mProfiler(mFrames) 74 , mContentDrawBounds(0, 0, 0, 0) { 75 mRenderNodes.emplace_back(rootRenderNode); 76 mRenderThread.renderState().registerCanvasContext(this); 77 mProfiler.setDensity(mRenderThread.mainDisplayInfo().density); 78} 79 80CanvasContext::~CanvasContext() { 81 destroy(); 82 mRenderThread.renderState().unregisterCanvasContext(this); 83} 84 85void CanvasContext::destroy() { 86 stopDrawing(); 87 setSurface(nullptr); 88 freePrefetechedLayers(); 89 destroyHardwareResources(); 90 mAnimationContext->destroy(); 91 if (mCanvas) { 92 delete mCanvas; 93 mCanvas = nullptr; 94 } 95} 96 97void CanvasContext::setSurface(ANativeWindow* window) { 98 ATRACE_CALL(); 99 100 mNativeWindow = window; 101 102 if (mEglSurface != EGL_NO_SURFACE) { 103 mEglManager.destroySurface(mEglSurface); 104 mEglSurface = EGL_NO_SURFACE; 105 } 106 107 if (window) { 108 mEglSurface = mEglManager.createSurface(window); 109 } 110 111 if (mEglSurface != EGL_NO_SURFACE) { 112 const bool preserveBuffer = (mSwapBehavior != kSwap_discardBuffer); 113 mBufferPreserved = mEglManager.setPreserveBuffer(mEglSurface, preserveBuffer); 114 mHaveNewSurface = true; 115 mSwapHistory.clear(); 116 makeCurrent(); 117 } else { 118 mRenderThread.removeFrameCallback(this); 119 } 120} 121 122void CanvasContext::requireSurface() { 123 LOG_ALWAYS_FATAL_IF(mEglSurface == EGL_NO_SURFACE, 124 "requireSurface() called but no surface set!"); 125 makeCurrent(); 126} 127 128void CanvasContext::setSwapBehavior(SwapBehavior swapBehavior) { 129 mSwapBehavior = swapBehavior; 130} 131 132bool CanvasContext::initialize(ANativeWindow* window) { 133 setSurface(window); 134#if !HWUI_NEW_OPS 135 if (mCanvas) return false; 136 mCanvas = new OpenGLRenderer(mRenderThread.renderState()); 137 mCanvas->initProperties(); 138#endif 139 return true; 140} 141 142void CanvasContext::updateSurface(ANativeWindow* window) { 143 setSurface(window); 144} 145 146bool CanvasContext::pauseSurface(ANativeWindow* window) { 147 return mRenderThread.removeFrameCallback(this); 148} 149 150// TODO: don't pass viewport size, it's automatic via EGL 151void CanvasContext::setup(int width, int height, float lightRadius, 152 uint8_t ambientShadowAlpha, uint8_t spotShadowAlpha) { 153 if (!mCanvas) return; 154 mCanvas->initLight(lightRadius, ambientShadowAlpha, spotShadowAlpha); 155} 156 157void CanvasContext::setLightCenter(const Vector3& lightCenter) { 158 if (!mCanvas) return; 159 mCanvas->setLightCenter(lightCenter); 160} 161 162void CanvasContext::setOpaque(bool opaque) { 163 mOpaque = opaque; 164} 165 166void CanvasContext::makeCurrent() { 167 // TODO: Figure out why this workaround is needed, see b/13913604 168 // In the meantime this matches the behavior of GLRenderer, so it is not a regression 169 EGLint error = 0; 170 mHaveNewSurface |= mEglManager.makeCurrent(mEglSurface, &error); 171 if (error) { 172 setSurface(nullptr); 173 } 174} 175 176void CanvasContext::processLayerUpdate(DeferredLayerUpdater* layerUpdater) { 177#if !HWUI_NEW_OPS 178 bool success = layerUpdater->apply(); 179 LOG_ALWAYS_FATAL_IF(!success, "Failed to update layer!"); 180 if (layerUpdater->backingLayer()->deferredUpdateScheduled) { 181 mCanvas->pushLayerUpdate(layerUpdater->backingLayer()); 182 } 183#endif 184} 185 186static bool wasSkipped(FrameInfo* info) { 187 return info && ((*info)[FrameInfoIndex::Flags] & FrameInfoFlags::SkippedFrame); 188} 189 190void CanvasContext::prepareTree(TreeInfo& info, int64_t* uiFrameInfo, 191 int64_t syncQueued, RenderNode* target) { 192 mRenderThread.removeFrameCallback(this); 193 194 // If the previous frame was dropped we don't need to hold onto it, so 195 // just keep using the previous frame's structure instead 196 if (!wasSkipped(mCurrentFrameInfo)) { 197 mCurrentFrameInfo = &mFrames.next(); 198 } 199 mCurrentFrameInfo->importUiThreadInfo(uiFrameInfo); 200 mCurrentFrameInfo->set(FrameInfoIndex::SyncQueued) = syncQueued; 201 mCurrentFrameInfo->markSyncStart(); 202 203 info.damageAccumulator = &mDamageAccumulator; 204#if HWUI_NEW_OPS 205 info.layerUpdateQueue = &mLayerUpdateQueue; 206#else 207 info.renderer = mCanvas; 208#endif 209 210 mAnimationContext->startFrame(info.mode); 211 for (const sp<RenderNode>& node : mRenderNodes) { 212 // Only the primary target node will be drawn full - all other nodes would get drawn in 213 // real time mode. In case of a window, the primary node is the window content and the other 214 // node(s) are non client / filler nodes. 215 info.mode = (node.get() == target ? TreeInfo::MODE_FULL : TreeInfo::MODE_RT_ONLY); 216 node->prepareTree(info); 217 } 218 mAnimationContext->runRemainingAnimations(info); 219 220 freePrefetechedLayers(); 221 222 if (CC_UNLIKELY(!mNativeWindow.get())) { 223 mCurrentFrameInfo->addFlag(FrameInfoFlags::SkippedFrame); 224 info.out.canDrawThisFrame = false; 225 return; 226 } 227 228 if (CC_LIKELY(mSwapHistory.size())) { 229 nsecs_t latestVsync = mRenderThread.timeLord().latestVsync(); 230 const SwapHistory& lastSwap = mSwapHistory.back(); 231 int vsyncDelta = std::abs(lastSwap.vsyncTime - latestVsync); 232 // The slight fudge-factor is to deal with cases where 233 // the vsync was estimated due to being slow handling the signal. 234 // See the logic in TimeLord#computeFrameTimeNanos or in 235 // Choreographer.java for details on when this happens 236 if (vsyncDelta < 2_ms) { 237 // Already drew for this vsync pulse, UI draw request missed 238 // the deadline for RT animations 239 info.out.canDrawThisFrame = false; 240 } else if (lastSwap.swapTime < latestVsync) { 241 info.out.canDrawThisFrame = true; 242 } else { 243 // We're maybe behind? Find out for sure 244 int runningBehind = 0; 245 mNativeWindow->query(mNativeWindow.get(), 246 NATIVE_WINDOW_CONSUMER_RUNNING_BEHIND, &runningBehind); 247 info.out.canDrawThisFrame = !runningBehind; 248 } 249 } else { 250 info.out.canDrawThisFrame = true; 251 } 252 253 if (!info.out.canDrawThisFrame) { 254 mCurrentFrameInfo->addFlag(FrameInfoFlags::SkippedFrame); 255 } 256 257 if (info.out.hasAnimations || !info.out.canDrawThisFrame) { 258 if (!info.out.requiresUiRedraw) { 259 // If animationsNeedsRedraw is set don't bother posting for an RT anim 260 // as we will just end up fighting the UI thread. 261 mRenderThread.postFrameCallback(this); 262 } 263 } 264} 265 266void CanvasContext::stopDrawing() { 267 mRenderThread.removeFrameCallback(this); 268} 269 270void CanvasContext::notifyFramePending() { 271 ATRACE_CALL(); 272 mRenderThread.pushBackFrameCallback(this); 273} 274 275void CanvasContext::draw() { 276#if !HWUI_NEW_OPS 277 LOG_ALWAYS_FATAL_IF(!mCanvas || mEglSurface == EGL_NO_SURFACE, 278 "drawRenderNode called on a context with no canvas or surface!"); 279#endif 280 281 SkRect dirty; 282 mDamageAccumulator.finish(&dirty); 283 284 // TODO: Re-enable after figuring out cause of b/22592975 285// if (dirty.isEmpty() && Properties::skipEmptyFrames) { 286// mCurrentFrameInfo->addFlag(FrameInfoFlags::SkippedFrame); 287// return; 288// } 289 290 mCurrentFrameInfo->markIssueDrawCommandsStart(); 291 292 Frame frame = mEglManager.beginFrame(mEglSurface); 293 294 if (frame.width() != mLastFrameWidth || frame.height() != mLastFrameHeight) { 295 // can't rely on prior content of window if viewport size changes 296 dirty.setEmpty(); 297 mLastFrameWidth = frame.width(); 298 mLastFrameHeight = frame.height(); 299 } else if (mHaveNewSurface || frame.bufferAge() == 0) { 300 // New surface needs a full draw 301 dirty.setEmpty(); 302 } else { 303 if (!dirty.isEmpty() && !dirty.intersect(0, 0, frame.width(), frame.height())) { 304 ALOGW("Dirty " RECT_STRING " doesn't intersect with 0 0 %d %d ?", 305 SK_RECT_ARGS(dirty), frame.width(), frame.height()); 306 dirty.setEmpty(); 307 } 308 profiler().unionDirty(&dirty); 309 } 310 311 if (dirty.isEmpty()) { 312 dirty.set(0, 0, frame.width(), frame.height()); 313 } 314 315 // At this point dirty is the area of the screen to update. However, 316 // the area of the frame we need to repaint is potentially different, so 317 // stash the screen area for later 318 SkRect screenDirty(dirty); 319 320 // If the buffer age is 0 we do a full-screen repaint (handled above) 321 // If the buffer age is 1 the buffer contents are the same as they were 322 // last frame so there's nothing to union() against 323 // Therefore we only care about the > 1 case. 324 if (frame.bufferAge() > 1) { 325 if (frame.bufferAge() > (int) mSwapHistory.size()) { 326 // We don't have enough history to handle this old of a buffer 327 // Just do a full-draw 328 dirty.set(0, 0, frame.width(), frame.height()); 329 } else { 330 // At this point we haven't yet added the latest frame 331 // to the damage history (happens below) 332 // So we need to damage 333 for (int i = mSwapHistory.size() - 1; 334 i > ((int) mSwapHistory.size()) - frame.bufferAge(); i--) { 335 dirty.join(mSwapHistory[i].damage); 336 } 337 } 338 } 339 340 mEglManager.damageFrame(frame, dirty); 341 342#if HWUI_NEW_OPS 343 OpReorderer reorderer(mLayerUpdateQueue, dirty, frame.width(), frame.height(), mRenderNodes); 344 mLayerUpdateQueue.clear(); 345 BakedOpRenderer renderer(Caches::getInstance(), mRenderThread.renderState(), mOpaque); 346 // TODO: profiler().draw(mCanvas); 347 reorderer.replayBakedOps<BakedOpDispatcher>(renderer); 348 349 bool drew = renderer.didDraw(); 350 351#else 352 mCanvas->prepareDirty(frame.width(), frame.height(), 353 dirty.fLeft, dirty.fTop, dirty.fRight, dirty.fBottom, mOpaque); 354 355 Rect outBounds; 356 // It there are multiple render nodes, they are laid out as follows: 357 // #0 - backdrop (content + caption) 358 // #1 - content (positioned at (0,0) and clipped to - its bounds mContentDrawBounds) 359 // #2 - additional overlay nodes 360 // Usually the backdrop cannot be seen since it will be entirely covered by the content. While 361 // resizing however it might become partially visible. The following render loop will crop the 362 // backdrop against the content and draw the remaining part of it. It will then draw the content 363 // cropped to the backdrop (since that indicates a shrinking of the window). 364 // 365 // Additional nodes will be drawn on top with no particular clipping semantics. 366 367 // The bounds of the backdrop against which the content should be clipped. 368 Rect backdropBounds = mContentDrawBounds; 369 // Usually the contents bounds should be mContentDrawBounds - however - we will 370 // move it towards the fixed edge to give it a more stable appearance (for the moment). 371 Rect contentBounds; 372 // If there is no content bounds we ignore the layering as stated above and start with 2. 373 int layer = (mContentDrawBounds.isEmpty() || mRenderNodes.size() == 1) ? 2 : 0; 374 // Draw all render nodes. Note that 375 for (const sp<RenderNode>& node : mRenderNodes) { 376 if (layer == 0) { // Backdrop. 377 // Draw the backdrop clipped to the inverse content bounds, but assume that the content 378 // was moved to the upper left corner. 379 const RenderProperties& properties = node->properties(); 380 Rect targetBounds(properties.getLeft(), properties.getTop(), 381 properties.getRight(), properties.getBottom()); 382 // Move the content bounds towards the fixed corner of the backdrop. 383 const int x = targetBounds.left; 384 const int y = targetBounds.top; 385 contentBounds.set(x, y, x + mContentDrawBounds.getWidth(), 386 y + mContentDrawBounds.getHeight()); 387 // Remember the intersection of the target bounds and the intersection bounds against 388 // which we have to crop the content. 389 backdropBounds.set(x, y, x + backdropBounds.getWidth(), y + backdropBounds.getHeight()); 390 backdropBounds.doIntersect(targetBounds); 391 // Check if we have to draw something on the left side ... 392 if (targetBounds.left < contentBounds.left) { 393 mCanvas->save(SkCanvas::kClip_SaveFlag); 394 if (mCanvas->clipRect(targetBounds.left, targetBounds.top, 395 contentBounds.left, targetBounds.bottom, 396 SkRegion::kIntersect_Op)) { 397 mCanvas->drawRenderNode(node.get(), outBounds); 398 } 399 // Reduce the target area by the area we have just painted. 400 targetBounds.left = std::min(contentBounds.left, targetBounds.right); 401 mCanvas->restore(); 402 } 403 // ... or on the right side ... 404 if (targetBounds.right > contentBounds.right && 405 !targetBounds.isEmpty()) { 406 mCanvas->save(SkCanvas::kClip_SaveFlag); 407 if (mCanvas->clipRect(contentBounds.right, targetBounds.top, 408 targetBounds.right, targetBounds.bottom, 409 SkRegion::kIntersect_Op)) { 410 mCanvas->drawRenderNode(node.get(), outBounds); 411 } 412 // Reduce the target area by the area we have just painted. 413 targetBounds.right = std::max(targetBounds.left, contentBounds.right); 414 mCanvas->restore(); 415 } 416 // ... or at the top ... 417 if (targetBounds.top < contentBounds.top && 418 !targetBounds.isEmpty()) { 419 mCanvas->save(SkCanvas::kClip_SaveFlag); 420 if (mCanvas->clipRect(targetBounds.left, targetBounds.top, targetBounds.right, 421 contentBounds.top, 422 SkRegion::kIntersect_Op)) { 423 mCanvas->drawRenderNode(node.get(), outBounds); 424 } 425 // Reduce the target area by the area we have just painted. 426 targetBounds.top = std::min(contentBounds.top, targetBounds.bottom); 427 mCanvas->restore(); 428 } 429 // ... or at the bottom. 430 if (targetBounds.bottom > contentBounds.bottom && 431 !targetBounds.isEmpty()) { 432 mCanvas->save(SkCanvas::kClip_SaveFlag); 433 if (mCanvas->clipRect(targetBounds.left, contentBounds.bottom, targetBounds.right, 434 targetBounds.bottom, SkRegion::kIntersect_Op)) { 435 mCanvas->drawRenderNode(node.get(), outBounds); 436 } 437 mCanvas->restore(); 438 } 439 } else if (layer == 1) { // Content 440 // It gets cropped against the bounds of the backdrop to stay inside. 441 mCanvas->save(SkCanvas::kClip_SaveFlag | SkCanvas::kMatrix_SaveFlag); 442 443 // We shift and clip the content to match its final location in the window. 444 const float left = mContentDrawBounds.left; 445 const float top = mContentDrawBounds.top; 446 const float dx = backdropBounds.left - left; 447 const float dy = backdropBounds.top - top; 448 const float width = backdropBounds.getWidth(); 449 const float height = backdropBounds.getHeight(); 450 451 mCanvas->translate(dx, dy); 452 if (mCanvas->clipRect(left, top, left + width, top + height, SkRegion::kIntersect_Op)) { 453 mCanvas->drawRenderNode(node.get(), outBounds); 454 } 455 mCanvas->restore(); 456 } else { // draw the rest on top at will! 457 mCanvas->drawRenderNode(node.get(), outBounds); 458 } 459 layer++; 460 } 461 462 profiler().draw(mCanvas); 463 464 bool drew = mCanvas->finish(); 465#endif 466 // Even if we decided to cancel the frame, from the perspective of jank 467 // metrics the frame was swapped at this point 468 mCurrentFrameInfo->markSwapBuffers(); 469 470 if (drew) { 471 if (CC_UNLIKELY(!mEglManager.swapBuffers(frame, screenDirty))) { 472 setSurface(nullptr); 473 } 474 SwapHistory& swap = mSwapHistory.next(); 475 swap.damage = screenDirty; 476 swap.swapTime = systemTime(CLOCK_MONOTONIC); 477 swap.vsyncTime = mRenderThread.timeLord().latestVsync(); 478 mHaveNewSurface = false; 479 } 480 481 // TODO: Use a fence for real completion? 482 mCurrentFrameInfo->markFrameCompleted(); 483 484#if LOG_FRAMETIME_MMA 485 float thisFrame = mCurrentFrameInfo->duration( 486 FrameInfoIndex::IssueDrawCommandsStart, 487 FrameInfoIndex::FrameCompleted) / NANOS_PER_MILLIS_F; 488 if (sFrameCount) { 489 sBenchMma = ((9 * sBenchMma) + thisFrame) / 10; 490 } else { 491 sBenchMma = thisFrame; 492 } 493 if (++sFrameCount == 10) { 494 sFrameCount = 1; 495 ALOGD("Average frame time: %.4f", sBenchMma); 496 } 497#endif 498 499 mJankTracker.addFrame(*mCurrentFrameInfo); 500 mRenderThread.jankTracker().addFrame(*mCurrentFrameInfo); 501} 502 503// Called by choreographer to do an RT-driven animation 504void CanvasContext::doFrame() { 505 if (CC_UNLIKELY(!mCanvas || mEglSurface == EGL_NO_SURFACE)) { 506 return; 507 } 508 prepareAndDraw(nullptr); 509} 510 511void CanvasContext::prepareAndDraw(RenderNode* node) { 512 ATRACE_CALL(); 513 514 int64_t frameInfo[UI_THREAD_FRAME_INFO_SIZE]; 515 UiFrameInfoBuilder(frameInfo) 516 .addFlag(FrameInfoFlags::RTAnimation) 517 .setVsync(mRenderThread.timeLord().computeFrameTimeNanos(), 518 mRenderThread.timeLord().latestVsync()); 519 520 TreeInfo info(TreeInfo::MODE_RT_ONLY, *this); 521 prepareTree(info, frameInfo, systemTime(CLOCK_MONOTONIC), node); 522 if (info.out.canDrawThisFrame) { 523 draw(); 524 } 525} 526 527void CanvasContext::invokeFunctor(RenderThread& thread, Functor* functor) { 528 ATRACE_CALL(); 529 DrawGlInfo::Mode mode = DrawGlInfo::kModeProcessNoContext; 530 if (thread.eglManager().hasEglContext()) { 531 mode = DrawGlInfo::kModeProcess; 532 } 533 534 thread.renderState().invokeFunctor(functor, mode, nullptr); 535} 536 537void CanvasContext::markLayerInUse(RenderNode* node) { 538 if (mPrefetechedLayers.erase(node)) { 539 node->decStrong(nullptr); 540 } 541} 542 543static void destroyPrefetechedNode(RenderNode* node) { 544 ALOGW("Incorrectly called buildLayer on View: %s, destroying layer...", node->getName()); 545 node->destroyHardwareResources(); 546 node->decStrong(nullptr); 547} 548 549void CanvasContext::freePrefetechedLayers() { 550 if (mPrefetechedLayers.size()) { 551 std::for_each(mPrefetechedLayers.begin(), mPrefetechedLayers.end(), destroyPrefetechedNode); 552 mPrefetechedLayers.clear(); 553 } 554} 555 556void CanvasContext::buildLayer(RenderNode* node) { 557 ATRACE_CALL(); 558 if (!mEglManager.hasEglContext() || !mCanvas) { 559 return; 560 } 561 // buildLayer() will leave the tree in an unknown state, so we must stop drawing 562 stopDrawing(); 563 564 TreeInfo info(TreeInfo::MODE_FULL, *this); 565 info.damageAccumulator = &mDamageAccumulator; 566#if HWUI_NEW_OPS 567 info.layerUpdateQueue = &mLayerUpdateQueue; 568#else 569 info.renderer = mCanvas; 570#endif 571 info.runAnimations = false; 572 node->prepareTree(info); 573 SkRect ignore; 574 mDamageAccumulator.finish(&ignore); 575 // Tickle the GENERIC property on node to mark it as dirty for damaging 576 // purposes when the frame is actually drawn 577 node->setPropertyFieldsDirty(RenderNode::GENERIC); 578 579 mCanvas->markLayersAsBuildLayers(); 580 mCanvas->flushLayerUpdates(); 581 582 node->incStrong(nullptr); 583 mPrefetechedLayers.insert(node); 584} 585 586bool CanvasContext::copyLayerInto(DeferredLayerUpdater* layer, SkBitmap* bitmap) { 587 layer->apply(); 588 return LayerRenderer::copyLayer(mRenderThread.renderState(), layer->backingLayer(), bitmap); 589} 590 591void CanvasContext::destroyHardwareResources() { 592 stopDrawing(); 593 if (mEglManager.hasEglContext()) { 594 freePrefetechedLayers(); 595 for (const sp<RenderNode>& node : mRenderNodes) { 596 node->destroyHardwareResources(); 597 } 598 Caches& caches = Caches::getInstance(); 599 // Make sure to release all the textures we were owning as there won't 600 // be another draw 601 caches.textureCache.resetMarkInUse(this); 602 caches.flush(Caches::FlushMode::Layers); 603 } 604} 605 606void CanvasContext::trimMemory(RenderThread& thread, int level) { 607 // No context means nothing to free 608 if (!thread.eglManager().hasEglContext()) return; 609 610 ATRACE_CALL(); 611 if (level >= TRIM_MEMORY_COMPLETE) { 612 Caches::getInstance().flush(Caches::FlushMode::Full); 613 thread.eglManager().destroy(); 614 } else if (level >= TRIM_MEMORY_UI_HIDDEN) { 615 Caches::getInstance().flush(Caches::FlushMode::Moderate); 616 } 617} 618 619void CanvasContext::runWithGlContext(RenderTask* task) { 620 LOG_ALWAYS_FATAL_IF(!mEglManager.hasEglContext(), 621 "GL context not initialized!"); 622 task->run(); 623} 624 625Layer* CanvasContext::createTextureLayer() { 626 requireSurface(); 627 return LayerRenderer::createTextureLayer(mRenderThread.renderState()); 628} 629 630void CanvasContext::setTextureAtlas(RenderThread& thread, 631 const sp<GraphicBuffer>& buffer, int64_t* map, size_t mapSize) { 632 thread.eglManager().setTextureAtlas(buffer, map, mapSize); 633} 634 635void CanvasContext::dumpFrames(int fd) { 636 FILE* file = fdopen(fd, "a"); 637 fprintf(file, "\n\n---PROFILEDATA---\n"); 638 for (size_t i = 0; i < static_cast<size_t>(FrameInfoIndex::NumIndexes); i++) { 639 fprintf(file, "%s", FrameInfoNames[i].c_str()); 640 fprintf(file, ","); 641 } 642 for (size_t i = 0; i < mFrames.size(); i++) { 643 FrameInfo& frame = mFrames[i]; 644 if (frame[FrameInfoIndex::SyncStart] == 0) { 645 continue; 646 } 647 fprintf(file, "\n"); 648 for (int i = 0; i < static_cast<int>(FrameInfoIndex::NumIndexes); i++) { 649 fprintf(file, "%" PRId64 ",", frame[i]); 650 } 651 } 652 fprintf(file, "\n---PROFILEDATA---\n\n"); 653 fflush(file); 654} 655 656void CanvasContext::resetFrameStats() { 657 mFrames.clear(); 658 mRenderThread.jankTracker().reset(); 659} 660 661void CanvasContext::serializeDisplayListTree() { 662#if ENABLE_RENDERNODE_SERIALIZATION 663 using namespace google::protobuf::io; 664 char package[128]; 665 // Check whether tracing is enabled for this process. 666 FILE * file = fopen("/proc/self/cmdline", "r"); 667 if (file) { 668 if (!fgets(package, 128, file)) { 669 ALOGE("Error reading cmdline: %s (%d)", strerror(errno), errno); 670 fclose(file); 671 return; 672 } 673 fclose(file); 674 } else { 675 ALOGE("Error opening /proc/self/cmdline: %s (%d)", strerror(errno), 676 errno); 677 return; 678 } 679 char path[1024]; 680 snprintf(path, 1024, "/data/data/%s/cache/rendertree_dump", package); 681 int fd = open(path, O_CREAT | O_WRONLY, S_IRWXU | S_IRGRP | S_IROTH); 682 if (fd == -1) { 683 ALOGD("Failed to open '%s'", path); 684 return; 685 } 686 proto::RenderNode tree; 687 // TODO: Streaming writes? 688 mRootRenderNode->copyTo(&tree); 689 std::string data = tree.SerializeAsString(); 690 write(fd, data.c_str(), data.length()); 691 close(fd); 692#endif 693} 694 695} /* namespace renderthread */ 696} /* namespace uirenderer */ 697} /* namespace android */ 698