CanvasContext.cpp revision e2e53a7079733694bd52dbce665e9ceff21e9727
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 "LayerRenderer.h" 24#include "OpenGLRenderer.h" 25#include "Properties.h" 26#include "RenderThread.h" 27#include "renderstate/RenderState.h" 28#include "renderstate/Stencil.h" 29#include "protos/hwui.pb.h" 30 31#if HWUI_NEW_OPS 32#include "BakedOpRenderer.h" 33#include "OpReorderer.h" 34#endif 35 36#include <cutils/properties.h> 37#include <google/protobuf/io/zero_copy_stream_impl.h> 38#include <private/hwui/DrawGlInfo.h> 39#include <strings.h> 40 41#include <algorithm> 42#include <fcntl.h> 43#include <sys/stat.h> 44 45#define TRIM_MEMORY_COMPLETE 80 46#define TRIM_MEMORY_UI_HIDDEN 20 47 48#define ENABLE_RENDERNODE_SERIALIZATION false 49 50#define LOG_FRAMETIME_MMA 0 51 52#if LOG_FRAMETIME_MMA 53static float sBenchMma = 0; 54static int sFrameCount = 0; 55static const float NANOS_PER_MILLIS_F = 1000000.0f; 56#endif 57 58namespace android { 59namespace uirenderer { 60namespace renderthread { 61 62CanvasContext::CanvasContext(RenderThread& thread, bool translucent, 63 RenderNode* rootRenderNode, IContextFactory* contextFactory) 64 : mRenderThread(thread) 65 , mEglManager(thread.eglManager()) 66 , mOpaque(!translucent) 67 , mAnimationContext(contextFactory->createAnimationContext(mRenderThread.timeLord())) 68 , mJankTracker(thread.timeLord().frameIntervalNanos()) 69 , mProfiler(mFrames) 70 , mContentDrawBounds(0, 0, 0, 0) { 71 mRenderNodes.emplace_back(rootRenderNode); 72 mRenderThread.renderState().registerCanvasContext(this); 73 mProfiler.setDensity(mRenderThread.mainDisplayInfo().density); 74} 75 76CanvasContext::~CanvasContext() { 77 destroy(); 78 mRenderThread.renderState().unregisterCanvasContext(this); 79} 80 81void CanvasContext::destroy() { 82 stopDrawing(); 83 setSurface(nullptr); 84 freePrefetechedLayers(); 85 destroyHardwareResources(); 86 mAnimationContext->destroy(); 87 if (mCanvas) { 88 delete mCanvas; 89 mCanvas = nullptr; 90 } 91} 92 93void CanvasContext::setSurface(ANativeWindow* window) { 94 ATRACE_CALL(); 95 96 mNativeWindow = window; 97 98 if (mEglSurface != EGL_NO_SURFACE) { 99 mEglManager.destroySurface(mEglSurface); 100 mEglSurface = EGL_NO_SURFACE; 101 } 102 103 if (window) { 104 mEglSurface = mEglManager.createSurface(window); 105 } 106 107 if (mEglSurface != EGL_NO_SURFACE) { 108 const bool preserveBuffer = (mSwapBehavior != kSwap_discardBuffer); 109 mBufferPreserved = mEglManager.setPreserveBuffer(mEglSurface, preserveBuffer); 110 mHaveNewSurface = true; 111 makeCurrent(); 112 } else { 113 mRenderThread.removeFrameCallback(this); 114 } 115} 116 117void CanvasContext::requireSurface() { 118 LOG_ALWAYS_FATAL_IF(mEglSurface == EGL_NO_SURFACE, 119 "requireSurface() called but no surface set!"); 120 makeCurrent(); 121} 122 123void CanvasContext::setSwapBehavior(SwapBehavior swapBehavior) { 124 mSwapBehavior = swapBehavior; 125} 126 127bool CanvasContext::initialize(ANativeWindow* window) { 128 setSurface(window); 129#if !HWUI_NEW_OPS 130 if (mCanvas) return false; 131 mCanvas = new OpenGLRenderer(mRenderThread.renderState()); 132 mCanvas->initProperties(); 133#endif 134 return true; 135} 136 137void CanvasContext::updateSurface(ANativeWindow* window) { 138 setSurface(window); 139} 140 141bool CanvasContext::pauseSurface(ANativeWindow* window) { 142 return mRenderThread.removeFrameCallback(this); 143} 144 145// TODO: don't pass viewport size, it's automatic via EGL 146void CanvasContext::setup(int width, int height, float lightRadius, 147 uint8_t ambientShadowAlpha, uint8_t spotShadowAlpha) { 148 if (!mCanvas) return; 149 mCanvas->initLight(lightRadius, ambientShadowAlpha, spotShadowAlpha); 150} 151 152void CanvasContext::setLightCenter(const Vector3& lightCenter) { 153 if (!mCanvas) return; 154 mCanvas->setLightCenter(lightCenter); 155} 156 157void CanvasContext::setOpaque(bool opaque) { 158 mOpaque = opaque; 159} 160 161void CanvasContext::makeCurrent() { 162 // TODO: Figure out why this workaround is needed, see b/13913604 163 // In the meantime this matches the behavior of GLRenderer, so it is not a regression 164 EGLint error = 0; 165 mHaveNewSurface |= mEglManager.makeCurrent(mEglSurface, &error); 166 if (error) { 167 setSurface(nullptr); 168 } 169} 170 171void CanvasContext::processLayerUpdate(DeferredLayerUpdater* layerUpdater) { 172#if !HWUI_NEW_OPS 173 bool success = layerUpdater->apply(); 174 LOG_ALWAYS_FATAL_IF(!success, "Failed to update layer!"); 175 if (layerUpdater->backingLayer()->deferredUpdateScheduled) { 176 mCanvas->pushLayerUpdate(layerUpdater->backingLayer()); 177 } 178#endif 179} 180 181static bool wasSkipped(FrameInfo* info) { 182 return info && ((*info)[FrameInfoIndex::Flags] & FrameInfoFlags::SkippedFrame); 183} 184 185void CanvasContext::prepareTree(TreeInfo& info, int64_t* uiFrameInfo, 186 int64_t syncQueued, RenderNode* target) { 187 mRenderThread.removeFrameCallback(this); 188 189 // If the previous frame was dropped we don't need to hold onto it, so 190 // just keep using the previous frame's structure instead 191 if (!wasSkipped(mCurrentFrameInfo)) { 192 mCurrentFrameInfo = &mFrames.next(); 193 } 194 mCurrentFrameInfo->importUiThreadInfo(uiFrameInfo); 195 mCurrentFrameInfo->set(FrameInfoIndex::SyncQueued) = syncQueued; 196 mCurrentFrameInfo->markSyncStart(); 197 198 info.damageAccumulator = &mDamageAccumulator; 199 info.renderer = mCanvas; 200 201 mAnimationContext->startFrame(info.mode); 202 for (const sp<RenderNode>& node : mRenderNodes) { 203 // Only the primary target node will be drawn full - all other nodes would get drawn in 204 // real time mode. In case of a window, the primary node is the window content and the other 205 // node(s) are non client / filler nodes. 206 info.mode = (node.get() == target ? TreeInfo::MODE_FULL : TreeInfo::MODE_RT_ONLY); 207 node->prepareTree(info); 208 } 209 mAnimationContext->runRemainingAnimations(info); 210 211 freePrefetechedLayers(); 212 213 if (CC_UNLIKELY(!mNativeWindow.get())) { 214 mCurrentFrameInfo->addFlag(FrameInfoFlags::SkippedFrame); 215 info.out.canDrawThisFrame = false; 216 return; 217 } 218 219 int runningBehind = 0; 220 // TODO: This query is moderately expensive, investigate adding some sort 221 // of fast-path based off when we last called eglSwapBuffers() as well as 222 // last vsync time. Or something. 223 mNativeWindow->query(mNativeWindow.get(), 224 NATIVE_WINDOW_CONSUMER_RUNNING_BEHIND, &runningBehind); 225 info.out.canDrawThisFrame = !runningBehind; 226 227 if (!info.out.canDrawThisFrame) { 228 mCurrentFrameInfo->addFlag(FrameInfoFlags::SkippedFrame); 229 } 230 231 if (info.out.hasAnimations || !info.out.canDrawThisFrame) { 232 if (!info.out.requiresUiRedraw) { 233 // If animationsNeedsRedraw is set don't bother posting for an RT anim 234 // as we will just end up fighting the UI thread. 235 mRenderThread.postFrameCallback(this); 236 } 237 } 238} 239 240void CanvasContext::stopDrawing() { 241 mRenderThread.removeFrameCallback(this); 242} 243 244void CanvasContext::notifyFramePending() { 245 ATRACE_CALL(); 246 mRenderThread.pushBackFrameCallback(this); 247} 248 249void CanvasContext::draw() { 250#if !HWUI_NEW_OPS 251 LOG_ALWAYS_FATAL_IF(!mCanvas || mEglSurface == EGL_NO_SURFACE, 252 "drawRenderNode called on a context with no canvas or surface!"); 253#endif 254 255 SkRect dirty; 256 mDamageAccumulator.finish(&dirty); 257 258 // TODO: Re-enable after figuring out cause of b/22592975 259// if (dirty.isEmpty() && Properties::skipEmptyFrames) { 260// mCurrentFrameInfo->addFlag(FrameInfoFlags::SkippedFrame); 261// return; 262// } 263 264 mCurrentFrameInfo->markIssueDrawCommandsStart(); 265 266 Frame frame = mEglManager.beginFrame(mEglSurface); 267 268 if (frame.width() != lastFrameWidth || frame.height() != lastFrameHeight) { 269 // can't rely on prior content of window if viewport size changes 270 dirty.setEmpty(); 271 lastFrameWidth = frame.width(); 272 lastFrameHeight = frame.height(); 273 } else if (mHaveNewSurface || frame.bufferAge() == 0) { 274 // New surface needs a full draw 275 dirty.setEmpty(); 276 } else { 277 if (!dirty.isEmpty() && !dirty.intersect(0, 0, frame.width(), frame.height())) { 278 ALOGW("Dirty " RECT_STRING " doesn't intersect with 0 0 %d %d ?", 279 SK_RECT_ARGS(dirty), frame.width(), frame.height()); 280 dirty.setEmpty(); 281 } 282 profiler().unionDirty(&dirty); 283 } 284 285 if (dirty.isEmpty()) { 286 dirty.set(0, 0, frame.width(), frame.height()); 287 } 288 289 // At this point dirty is the area of the screen to update. However, 290 // the area of the frame we need to repaint is potentially different, so 291 // stash the screen area for later 292 SkRect screenDirty(dirty); 293 294 // If the buffer age is 0 we do a full-screen repaint (handled above) 295 // If the buffer age is 1 the buffer contents are the same as they were 296 // last frame so there's nothing to union() against 297 // Therefore we only care about the > 1 case. 298 if (frame.bufferAge() > 1) { 299 if (frame.bufferAge() > (int) mDamageHistory.size()) { 300 // We don't have enough history to handle this old of a buffer 301 // Just do a full-draw 302 dirty.set(0, 0, frame.width(), frame.height()); 303 } else { 304 // At this point we haven't yet added the latest frame 305 // to the damage history (happens below) 306 // So we need to damage 307 for (int i = mDamageHistory.size() - 1; 308 i > ((int) mDamageHistory.size()) - frame.bufferAge(); i--) { 309 dirty.join(mDamageHistory[i]); 310 } 311 } 312 } 313 314 // Add the screen damage to the ring buffer. 315 mDamageHistory.next() = screenDirty; 316 317 mEglManager.damageFrame(frame, dirty); 318 319#if HWUI_NEW_OPS 320 OpReorderer reorderer(dirty, frame.width(), frame.height(), mRenderNodes); 321 BakedOpRenderer renderer(Caches::getInstance(), mRenderThread.renderState(), mOpaque); 322 // TODO: profiler().draw(mCanvas); 323 reorderer.replayBakedOps<BakedOpDispatcher>(renderer); 324 325 bool drew = renderer.didDraw(); 326 327#else 328 mCanvas->prepareDirty(frame.width(), frame.height(), 329 dirty.fLeft, dirty.fTop, dirty.fRight, dirty.fBottom, mOpaque); 330 331 Rect outBounds; 332 // It there are multiple render nodes, they are as follows: 333 // #0 - backdrop 334 // #1 - content (positioned at (0,0) and clipped to - its bounds mContentDrawBounds) 335 // #2 - frame 336 // Usually the backdrop cannot be seen since it will be entirely covered by the content. While 337 // resizing however it might become partially visible. The following render loop will crop the 338 // backdrop against the content and draw the remaining part of it. It will then crop the content 339 // against the backdrop (since that indicates a shrinking of the window) and then the frame 340 // around everything. 341 // The bounds of the backdrop against which the content should be clipped. 342 Rect backdropBounds = mContentDrawBounds; 343 // Usually the contents bounds should be mContentDrawBounds - however - we will 344 // move it towards the fixed edge to give it a more stable appearance (for the moment). 345 Rect contentBounds; 346 // If there is no content bounds we ignore the layering as stated above and start with 2. 347 int layer = (mContentDrawBounds.isEmpty() || mRenderNodes.size() <= 2) ? 2 : 0; 348 // Draw all render nodes. Note that 349 for (const sp<RenderNode>& node : mRenderNodes) { 350 if (layer == 0) { // Backdrop. 351 // Draw the backdrop clipped to the inverse content bounds, but assume that the content 352 // was moved to the upper left corner. 353 const RenderProperties& properties = node->properties(); 354 Rect targetBounds(properties.getLeft(), properties.getTop(), 355 properties.getRight(), properties.getBottom()); 356 // Move the content bounds towards the fixed corner of the backdrop. 357 const int x = targetBounds.left; 358 const int y = targetBounds.top; 359 contentBounds.set(x, y, x + mContentDrawBounds.getWidth(), 360 y + mContentDrawBounds.getHeight()); 361 // Remember the intersection of the target bounds and the intersection bounds against 362 // which we have to crop the content. 363 backdropBounds.set(x, y, x + backdropBounds.getWidth(), y + backdropBounds.getHeight()); 364 backdropBounds.doIntersect(targetBounds); 365 // Check if we have to draw something on the left side ... 366 if (targetBounds.left < contentBounds.left) { 367 mCanvas->save(SkCanvas::kClip_SaveFlag); 368 if (mCanvas->clipRect(targetBounds.left, targetBounds.top, 369 contentBounds.left, targetBounds.bottom, 370 SkRegion::kIntersect_Op)) { 371 mCanvas->drawRenderNode(node.get(), outBounds); 372 } 373 // Reduce the target area by the area we have just painted. 374 targetBounds.left = std::min(contentBounds.left, targetBounds.right); 375 mCanvas->restore(); 376 } 377 // ... or on the right side ... 378 if (targetBounds.right > contentBounds.right && 379 !targetBounds.isEmpty()) { 380 mCanvas->save(SkCanvas::kClip_SaveFlag); 381 if (mCanvas->clipRect(contentBounds.right, targetBounds.top, 382 targetBounds.right, targetBounds.bottom, 383 SkRegion::kIntersect_Op)) { 384 mCanvas->drawRenderNode(node.get(), outBounds); 385 } 386 // Reduce the target area by the area we have just painted. 387 targetBounds.right = std::max(targetBounds.left, contentBounds.right); 388 mCanvas->restore(); 389 } 390 // ... or at the top ... 391 if (targetBounds.top < contentBounds.top && 392 !targetBounds.isEmpty()) { 393 mCanvas->save(SkCanvas::kClip_SaveFlag); 394 if (mCanvas->clipRect(targetBounds.left, targetBounds.top, targetBounds.right, 395 contentBounds.top, 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.top = std::min(contentBounds.top, targetBounds.bottom); 401 mCanvas->restore(); 402 } 403 // ... or at the bottom. 404 if (targetBounds.bottom > contentBounds.bottom && 405 !targetBounds.isEmpty()) { 406 mCanvas->save(SkCanvas::kClip_SaveFlag); 407 if (mCanvas->clipRect(targetBounds.left, contentBounds.bottom, targetBounds.right, 408 targetBounds.bottom, SkRegion::kIntersect_Op)) { 409 mCanvas->drawRenderNode(node.get(), outBounds); 410 } 411 mCanvas->restore(); 412 } 413 } else if (layer == 1) { // Content 414 // It gets cropped against the bounds of the backdrop to stay inside. 415 mCanvas->save(SkCanvas::kClip_SaveFlag | SkCanvas::kMatrix_SaveFlag); 416 417 // We shift and clip the content to match its final location in the window. 418 const float left = mContentDrawBounds.left; 419 const float top = mContentDrawBounds.top; 420 const float dx = backdropBounds.left - left; 421 const float dy = backdropBounds.top - top; 422 const float width = backdropBounds.getWidth(); 423 const float height = backdropBounds.getHeight(); 424 mCanvas->translate(dx, dy); 425 if (mCanvas->clipRect(left, top, left + width, top + height, SkRegion::kIntersect_Op)) { 426 mCanvas->drawRenderNode(node.get(), outBounds); 427 } 428 mCanvas->restore(); 429 } else { // draw the rest on top at will! 430 mCanvas->drawRenderNode(node.get(), outBounds); 431 } 432 layer++; 433 } 434 435 profiler().draw(mCanvas); 436 437 bool drew = mCanvas->finish(); 438#endif 439 // Even if we decided to cancel the frame, from the perspective of jank 440 // metrics the frame was swapped at this point 441 mCurrentFrameInfo->markSwapBuffers(); 442 443 if (drew) { 444 if (CC_UNLIKELY(!mEglManager.swapBuffers(frame, screenDirty))) { 445 setSurface(nullptr); 446 } 447 mHaveNewSurface = false; 448 } 449 450 // TODO: Use a fence for real completion? 451 mCurrentFrameInfo->markFrameCompleted(); 452 453#if LOG_FRAMETIME_MMA 454 float thisFrame = mCurrentFrameInfo->duration( 455 FrameInfoIndex::IssueDrawCommandsStart, 456 FrameInfoIndex::FrameCompleted) / NANOS_PER_MILLIS_F; 457 if (sFrameCount) { 458 sBenchMma = ((9 * sBenchMma) + thisFrame) / 10; 459 } else { 460 sBenchMma = thisFrame; 461 } 462 if (++sFrameCount == 10) { 463 sFrameCount = 1; 464 ALOGD("Average frame time: %.4f", sBenchMma); 465 } 466#endif 467 468 mJankTracker.addFrame(*mCurrentFrameInfo); 469 mRenderThread.jankTracker().addFrame(*mCurrentFrameInfo); 470} 471 472// Called by choreographer to do an RT-driven animation 473void CanvasContext::doFrame() { 474 if (CC_UNLIKELY(!mCanvas || mEglSurface == EGL_NO_SURFACE)) { 475 return; 476 } 477 prepareAndDraw(nullptr); 478} 479 480void CanvasContext::prepareAndDraw(RenderNode* node) { 481 ATRACE_CALL(); 482 483 int64_t frameInfo[UI_THREAD_FRAME_INFO_SIZE]; 484 UiFrameInfoBuilder(frameInfo) 485 .addFlag(FrameInfoFlags::RTAnimation) 486 .setVsync(mRenderThread.timeLord().computeFrameTimeNanos(), 487 mRenderThread.timeLord().latestVsync()); 488 489 TreeInfo info(TreeInfo::MODE_RT_ONLY, *this); 490 prepareTree(info, frameInfo, systemTime(CLOCK_MONOTONIC), node); 491 if (info.out.canDrawThisFrame) { 492 draw(); 493 } 494} 495 496void CanvasContext::invokeFunctor(RenderThread& thread, Functor* functor) { 497 ATRACE_CALL(); 498 DrawGlInfo::Mode mode = DrawGlInfo::kModeProcessNoContext; 499 if (thread.eglManager().hasEglContext()) { 500 mode = DrawGlInfo::kModeProcess; 501 } 502 503 thread.renderState().invokeFunctor(functor, mode, nullptr); 504} 505 506void CanvasContext::markLayerInUse(RenderNode* node) { 507 if (mPrefetechedLayers.erase(node)) { 508 node->decStrong(nullptr); 509 } 510} 511 512static void destroyPrefetechedNode(RenderNode* node) { 513 ALOGW("Incorrectly called buildLayer on View: %s, destroying layer...", node->getName()); 514 node->destroyHardwareResources(); 515 node->decStrong(nullptr); 516} 517 518void CanvasContext::freePrefetechedLayers() { 519 if (mPrefetechedLayers.size()) { 520 std::for_each(mPrefetechedLayers.begin(), mPrefetechedLayers.end(), destroyPrefetechedNode); 521 mPrefetechedLayers.clear(); 522 } 523} 524 525void CanvasContext::buildLayer(RenderNode* node) { 526 ATRACE_CALL(); 527 if (!mEglManager.hasEglContext() || !mCanvas) { 528 return; 529 } 530 // buildLayer() will leave the tree in an unknown state, so we must stop drawing 531 stopDrawing(); 532 533 TreeInfo info(TreeInfo::MODE_FULL, *this); 534 info.damageAccumulator = &mDamageAccumulator; 535 info.renderer = mCanvas; 536 info.runAnimations = false; 537 node->prepareTree(info); 538 SkRect ignore; 539 mDamageAccumulator.finish(&ignore); 540 // Tickle the GENERIC property on node to mark it as dirty for damaging 541 // purposes when the frame is actually drawn 542 node->setPropertyFieldsDirty(RenderNode::GENERIC); 543 544 mCanvas->markLayersAsBuildLayers(); 545 mCanvas->flushLayerUpdates(); 546 547 node->incStrong(nullptr); 548 mPrefetechedLayers.insert(node); 549} 550 551bool CanvasContext::copyLayerInto(DeferredLayerUpdater* layer, SkBitmap* bitmap) { 552 layer->apply(); 553 return LayerRenderer::copyLayer(mRenderThread.renderState(), layer->backingLayer(), bitmap); 554} 555 556void CanvasContext::destroyHardwareResources() { 557 stopDrawing(); 558 if (mEglManager.hasEglContext()) { 559 freePrefetechedLayers(); 560 for (const sp<RenderNode>& node : mRenderNodes) { 561 node->destroyHardwareResources(); 562 } 563 Caches& caches = Caches::getInstance(); 564 // Make sure to release all the textures we were owning as there won't 565 // be another draw 566 caches.textureCache.resetMarkInUse(this); 567 caches.flush(Caches::FlushMode::Layers); 568 } 569} 570 571void CanvasContext::trimMemory(RenderThread& thread, int level) { 572 // No context means nothing to free 573 if (!thread.eglManager().hasEglContext()) return; 574 575 ATRACE_CALL(); 576 if (level >= TRIM_MEMORY_COMPLETE) { 577 Caches::getInstance().flush(Caches::FlushMode::Full); 578 thread.eglManager().destroy(); 579 } else if (level >= TRIM_MEMORY_UI_HIDDEN) { 580 Caches::getInstance().flush(Caches::FlushMode::Moderate); 581 } 582} 583 584void CanvasContext::runWithGlContext(RenderTask* task) { 585 LOG_ALWAYS_FATAL_IF(!mEglManager.hasEglContext(), 586 "GL context not initialized!"); 587 task->run(); 588} 589 590Layer* CanvasContext::createTextureLayer() { 591 requireSurface(); 592 return LayerRenderer::createTextureLayer(mRenderThread.renderState()); 593} 594 595void CanvasContext::setTextureAtlas(RenderThread& thread, 596 const sp<GraphicBuffer>& buffer, int64_t* map, size_t mapSize) { 597 thread.eglManager().setTextureAtlas(buffer, map, mapSize); 598} 599 600void CanvasContext::dumpFrames(int fd) { 601 FILE* file = fdopen(fd, "a"); 602 fprintf(file, "\n\n---PROFILEDATA---\n"); 603 for (size_t i = 0; i < static_cast<size_t>(FrameInfoIndex::NumIndexes); i++) { 604 fprintf(file, "%s", FrameInfoNames[i].c_str()); 605 fprintf(file, ","); 606 } 607 for (size_t i = 0; i < mFrames.size(); i++) { 608 FrameInfo& frame = mFrames[i]; 609 if (frame[FrameInfoIndex::SyncStart] == 0) { 610 continue; 611 } 612 fprintf(file, "\n"); 613 for (int i = 0; i < static_cast<int>(FrameInfoIndex::NumIndexes); i++) { 614 fprintf(file, "%" PRId64 ",", frame[i]); 615 } 616 } 617 fprintf(file, "\n---PROFILEDATA---\n\n"); 618 fflush(file); 619} 620 621void CanvasContext::resetFrameStats() { 622 mFrames.clear(); 623 mRenderThread.jankTracker().reset(); 624} 625 626void CanvasContext::serializeDisplayListTree() { 627#if ENABLE_RENDERNODE_SERIALIZATION 628 using namespace google::protobuf::io; 629 char package[128]; 630 // Check whether tracing is enabled for this process. 631 FILE * file = fopen("/proc/self/cmdline", "r"); 632 if (file) { 633 if (!fgets(package, 128, file)) { 634 ALOGE("Error reading cmdline: %s (%d)", strerror(errno), errno); 635 fclose(file); 636 return; 637 } 638 fclose(file); 639 } else { 640 ALOGE("Error opening /proc/self/cmdline: %s (%d)", strerror(errno), 641 errno); 642 return; 643 } 644 char path[1024]; 645 snprintf(path, 1024, "/data/data/%s/cache/rendertree_dump", package); 646 int fd = open(path, O_CREAT | O_WRONLY, S_IRWXU | S_IRGRP | S_IROTH); 647 if (fd == -1) { 648 ALOGD("Failed to open '%s'", path); 649 return; 650 } 651 proto::RenderNode tree; 652 // TODO: Streaming writes? 653 mRootRenderNode->copyTo(&tree); 654 std::string data = tree.SerializeAsString(); 655 write(fd, data.c_str(), data.length()); 656 close(fd); 657#endif 658} 659 660} /* namespace renderthread */ 661} /* namespace uirenderer */ 662} /* namespace android */ 663