benchmain.cpp revision 56b7a6d52ceaed3927ec4346f431495c32f519e2
1/* 2 * Copyright 2011 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8#include "BenchTimer.h" 9#include "ResultsWriter.h" 10#include "SkBenchLogger.h" 11#include "SkBenchmark.h" 12#include "SkBitmapDevice.h" 13#include "SkCanvas.h" 14#include "SkColorPriv.h" 15#include "SkCommandLineFlags.h" 16#include "SkData.h" 17#include "SkDeferredCanvas.h" 18#include "SkGMBench.h" 19#include "SkGraphics.h" 20#include "SkImageEncoder.h" 21#include "SkOSFile.h" 22#include "SkPicture.h" 23#include "SkString.h" 24#include "SkSurface.h" 25 26#if SK_SUPPORT_GPU 27#include "GrContext.h" 28#include "GrContextFactory.h" 29#include "GrRenderTarget.h" 30#include "SkGpuDevice.h" 31#include "gl/GrGLDefines.h" 32#else 33class GrContext; 34#endif // SK_SUPPORT_GPU 35 36#include <limits> 37 38enum BenchMode { 39 kNormal_BenchMode, 40 kDeferred_BenchMode, 41 kDeferredSilent_BenchMode, 42 kRecord_BenchMode, 43 kPictureRecord_BenchMode 44}; 45const char* BenchMode_Name[] = { 46 "normal", "deferred", "deferredSilent", "record", "picturerecord" 47}; 48 49static const char kDefaultsConfigStr[] = "defaults"; 50 51/////////////////////////////////////////////////////////////////////////////// 52 53class Iter { 54public: 55 Iter() : fBenches(BenchRegistry::Head()), fGMs(skiagm::GMRegistry::Head()) {} 56 57 SkBenchmark* next() { 58 if (fBenches) { 59 BenchRegistry::Factory f = fBenches->factory(); 60 fBenches = fBenches->next(); 61 return (*f)(NULL); 62 } 63 64 while (fGMs) { 65 SkAutoTDelete<skiagm::GM> gm(fGMs->factory()(NULL)); 66 fGMs = fGMs->next(); 67 if (gm->getFlags() & skiagm::GM::kAsBench_Flag) { 68 return SkNEW_ARGS(SkGMBench, (gm.detach())); 69 } 70 } 71 72 return NULL; 73 } 74 75private: 76 const BenchRegistry* fBenches; 77 const skiagm::GMRegistry* fGMs; 78}; 79 80class AutoPrePostDraw { 81public: 82 AutoPrePostDraw(SkBenchmark* bench) : fBench(bench) { 83 fBench->preDraw(); 84 } 85 ~AutoPrePostDraw() { 86 fBench->postDraw(); 87 } 88private: 89 SkBenchmark* fBench; 90}; 91 92static void make_filename(const char name[], SkString* path) { 93 path->set(name); 94 for (int i = 0; name[i]; i++) { 95 switch (name[i]) { 96 case '/': 97 case '\\': 98 case ' ': 99 case ':': 100 path->writable_str()[i] = '-'; 101 break; 102 default: 103 break; 104 } 105 } 106} 107 108static void saveFile(const char name[], const char config[], const char dir[], 109 const SkImage* image) { 110 SkAutoTUnref<SkData> data(image->encode(SkImageEncoder::kPNG_Type, 100)); 111 if (NULL == data.get()) { 112 return; 113 } 114 115 SkString filename; 116 make_filename(name, &filename); 117 filename.appendf("_%s.png", config); 118 SkString path = SkOSPath::SkPathJoin(dir, filename.c_str()); 119 ::remove(path.c_str()); 120 121 SkFILEWStream stream(path.c_str()); 122 stream.write(data->data(), data->size()); 123} 124 125static void performClip(SkCanvas* canvas, int w, int h) { 126 SkRect r; 127 128 r.set(SkIntToScalar(10), SkIntToScalar(10), 129 SkIntToScalar(w*2/3), SkIntToScalar(h*2/3)); 130 canvas->clipRect(r, SkRegion::kIntersect_Op); 131 132 r.set(SkIntToScalar(w/3), SkIntToScalar(h/3), 133 SkIntToScalar(w-10), SkIntToScalar(h-10)); 134 canvas->clipRect(r, SkRegion::kXOR_Op); 135} 136 137static void performRotate(SkCanvas* canvas, int w, int h) { 138 const SkScalar x = SkIntToScalar(w) / 2; 139 const SkScalar y = SkIntToScalar(h) / 2; 140 141 canvas->translate(x, y); 142 canvas->rotate(SkIntToScalar(35)); 143 canvas->translate(-x, -y); 144} 145 146static void performScale(SkCanvas* canvas, int w, int h) { 147 const SkScalar x = SkIntToScalar(w) / 2; 148 const SkScalar y = SkIntToScalar(h) / 2; 149 150 canvas->translate(x, y); 151 // just enough so we can't take the sprite case 152 canvas->scale(SK_Scalar1 * 99/100, SK_Scalar1 * 99/100); 153 canvas->translate(-x, -y); 154} 155 156static SkSurface* make_surface(SkColorType colorType, const SkIPoint& size, 157 SkBenchmark::Backend backend, int sampleCount, 158 GrContext* context) { 159 SkSurface* surface = NULL; 160 SkImageInfo info = SkImageInfo::Make(size.fX, size.fY, colorType, 161 kPremul_SkAlphaType); 162 163 switch (backend) { 164 case SkBenchmark::kRaster_Backend: 165 surface = SkSurface::NewRaster(info); 166 surface->getCanvas()->clear(SK_ColorWHITE); 167 break; 168#if SK_SUPPORT_GPU 169 case SkBenchmark::kGPU_Backend: { 170 surface = SkSurface::NewRenderTarget(context, info, sampleCount); 171 break; 172 } 173#endif 174 case SkBenchmark::kPDF_Backend: 175 default: 176 SkDEBUGFAIL("unsupported"); 177 } 178 return surface; 179} 180 181#if SK_SUPPORT_GPU 182GrContextFactory gContextFactory; 183typedef GrContextFactory::GLContextType GLContextType; 184static const GLContextType kNative = GrContextFactory::kNative_GLContextType; 185static const GLContextType kNVPR = GrContextFactory::kNVPR_GLContextType; 186#if SK_ANGLE 187static const GLContextType kANGLE = GrContextFactory::kANGLE_GLContextType; 188#endif 189static const GLContextType kDebug = GrContextFactory::kDebug_GLContextType; 190static const GLContextType kNull = GrContextFactory::kNull_GLContextType; 191#else 192typedef int GLContextType; 193static const GLContextType kNative = 0, kANGLE = 0, kDebug = 0, kNull = 0; 194#endif 195 196#ifdef SK_DEBUG 197static const bool kIsDebug = true; 198#else 199static const bool kIsDebug = false; 200#endif 201 202static const struct Config { 203 SkColorType fColorType; 204 const char* name; 205 int sampleCount; 206 SkBenchmark::Backend backend; 207 GLContextType contextType; 208 bool runByDefault; 209} gConfigs[] = { 210 { kPMColor_SkColorType, "NONRENDERING", 0, SkBenchmark::kNonRendering_Backend, kNative, true}, 211 { kPMColor_SkColorType, "8888", 0, SkBenchmark::kRaster_Backend, kNative, true}, 212 { kRGB_565_SkColorType, "565", 0, SkBenchmark::kRaster_Backend, kNative, true}, 213#if SK_SUPPORT_GPU 214 { kPMColor_SkColorType, "GPU", 0, SkBenchmark::kGPU_Backend, kNative, true}, 215 { kPMColor_SkColorType, "MSAA4", 4, SkBenchmark::kGPU_Backend, kNative, false}, 216 { kPMColor_SkColorType, "MSAA16", 16, SkBenchmark::kGPU_Backend, kNative, false}, 217 { kPMColor_SkColorType, "NVPRMSAA4", 4, SkBenchmark::kGPU_Backend, kNVPR, true}, 218 { kPMColor_SkColorType, "NVPRMSAA16", 16, SkBenchmark::kGPU_Backend, kNVPR, false}, 219#if SK_ANGLE 220 { kPMColor_SkColorType, "ANGLE", 0, SkBenchmark::kGPU_Backend, kANGLE, true}, 221#endif // SK_ANGLE 222 { kPMColor_SkColorType, "Debug", 0, SkBenchmark::kGPU_Backend, kDebug, kIsDebug}, 223 { kPMColor_SkColorType, "NULLGPU", 0, SkBenchmark::kGPU_Backend, kNull, true}, 224#endif // SK_SUPPORT_GPU 225}; 226 227DEFINE_string(outDir, "", "If given, image of each bench will be put in outDir."); 228DEFINE_string(timers, "cg", "Timers to display. " 229 "Options: w(all) W(all, truncated) c(pu) C(pu, truncated) g(pu)"); 230 231DEFINE_bool(rotate, false, "Rotate canvas before bench run?"); 232DEFINE_bool(scale, false, "Scale canvas before bench run?"); 233DEFINE_bool(clip, false, "Clip canvas before bench run?"); 234 235DEFINE_bool(forceAA, true, "Force anti-aliasing?"); 236DEFINE_bool(forceFilter, false, "Force bitmap filtering?"); 237DEFINE_string(forceDither, "default", "Force dithering: true, false, or default?"); 238DEFINE_bool(forceBlend, false, "Force alpha blending?"); 239 240DEFINE_int32(gpuCacheBytes, -1, "GPU cache size limit in bytes. 0 to disable cache."); 241DEFINE_int32(gpuCacheCount, -1, "GPU cache size limit in object count. 0 to disable cache."); 242 243DEFINE_bool2(leaks, l, false, "show leaked ref cnt'd objects."); 244DEFINE_string(match, "", "[~][^]substring[$] [...] of test name to run.\n" 245 "Multiple matches may be separated by spaces.\n" 246 "~ causes a matching test to always be skipped\n" 247 "^ requires the start of the test to match\n" 248 "$ requires the end of the test to match\n" 249 "^ and $ requires an exact match\n" 250 "If a test does not match any list entry,\n" 251 "it is skipped unless some list entry starts with ~\n"); 252DEFINE_string(mode, "normal", 253 "normal: draw to a normal canvas;\n" 254 "deferred: draw to a deferred canvas;\n" 255 "deferredSilent: deferred with silent playback;\n" 256 "record: draw to an SkPicture;\n" 257 "picturerecord: draw from an SkPicture to an SkPicture.\n"); 258DEFINE_string(config, kDefaultsConfigStr, 259 "Run configs given. By default, runs the configs marked \"runByDefault\" in gConfigs."); 260DEFINE_string(logFile, "", "Also write stdout here."); 261DEFINE_int32(minMs, 20, "Shortest time we'll allow a benchmark to run."); 262DEFINE_int32(maxMs, 4000, "Longest time we'll allow a benchmark to run."); 263DEFINE_double(error, 0.01, 264 "Ratio of subsequent bench measurements must drop within 1±error to converge."); 265DEFINE_string(timeFormat, "%9.2f", "Format to print results, in milliseconds per 1000 loops."); 266DEFINE_bool2(verbose, v, false, "Print more."); 267DEFINE_string2(resourcePath, i, "resources", "directory for test resources."); 268DEFINE_string(outResultsFile, "", "If given, the results will be written to the file in JSON format."); 269 270DEFINE_bool(dryRun, false, "Don't actually run the tests, just print what would have been done."); 271 272// Has this bench converged? First arguments are milliseconds / loop iteration, 273// last is overall runtime in milliseconds. 274static bool HasConverged(double prevPerLoop, double currPerLoop, double currRaw) { 275 if (currRaw < FLAGS_minMs) { 276 return false; 277 } 278 const double low = 1 - FLAGS_error, high = 1 + FLAGS_error; 279 const double ratio = currPerLoop / prevPerLoop; 280 return low < ratio && ratio < high; 281} 282 283int tool_main(int argc, char** argv); 284int tool_main(int argc, char** argv) { 285 SkCommandLineFlags::Parse(argc, argv); 286#if SK_ENABLE_INST_COUNT 287 if (FLAGS_leaks) { 288 gPrintInstCount = true; 289 } 290#endif 291 SkAutoGraphics ag; 292 293 // First, parse some flags. 294 SkBenchLogger logger; 295 if (FLAGS_logFile.count()) { 296 logger.SetLogFile(FLAGS_logFile[0]); 297 } 298 299 LoggerResultsWriter logWriter(logger, FLAGS_timeFormat[0]); 300 MultiResultsWriter writer; 301 writer.add(&logWriter); 302 SkAutoTDelete<JSONResultsWriter> jsonWriter; 303 if (FLAGS_outResultsFile.count()) { 304 jsonWriter.reset(SkNEW(JSONResultsWriter(FLAGS_outResultsFile[0]))); 305 writer.add(jsonWriter.get()); 306 } 307 // Instantiate after all the writers have been added to writer so that we 308 // call close() before their destructors are called on the way out. 309 CallEnd<MultiResultsWriter> ender(writer); 310 311 const uint8_t alpha = FLAGS_forceBlend ? 0x80 : 0xFF; 312 SkTriState::State dither = SkTriState::kDefault; 313 for (size_t i = 0; i < 3; i++) { 314 if (strcmp(SkTriState::Name[i], FLAGS_forceDither[0]) == 0) { 315 dither = static_cast<SkTriState::State>(i); 316 } 317 } 318 319 BenchMode benchMode = kNormal_BenchMode; 320 for (size_t i = 0; i < SK_ARRAY_COUNT(BenchMode_Name); i++) { 321 if (strcmp(FLAGS_mode[0], BenchMode_Name[i]) == 0) { 322 benchMode = static_cast<BenchMode>(i); 323 } 324 } 325 326 SkTDArray<int> configs; 327 bool runDefaultConfigs = false; 328 // Try user-given configs first. 329 for (int i = 0; i < FLAGS_config.count(); i++) { 330 for (int j = 0; j < static_cast<int>(SK_ARRAY_COUNT(gConfigs)); ++j) { 331 if (0 == strcmp(FLAGS_config[i], gConfigs[j].name)) { 332 *configs.append() = j; 333 } else if (0 == strcmp(FLAGS_config[i], kDefaultsConfigStr)) { 334 runDefaultConfigs = true; 335 } 336 } 337 } 338 // If there weren't any, fill in with defaults. 339 if (runDefaultConfigs) { 340 for (int i = 0; i < static_cast<int>(SK_ARRAY_COUNT(gConfigs)); ++i) { 341 if (gConfigs[i].runByDefault) { 342 *configs.append() = i; 343 } 344 } 345 } 346 // Filter out things we can't run. 347 if (kNormal_BenchMode != benchMode) { 348 // Non-rendering configs only run in normal mode 349 for (int i = 0; i < configs.count(); ++i) { 350 const Config& config = gConfigs[configs[i]]; 351 if (SkBenchmark::kNonRendering_Backend == config.backend) { 352 configs.remove(i, 1); 353 --i; 354 } 355 } 356 } 357 // Set the resource path. 358 if (!FLAGS_resourcePath.isEmpty()) { 359 SkBenchmark::SetResourcePath(FLAGS_resourcePath[0]); 360 } 361 362#if SK_SUPPORT_GPU 363 for (int i = 0; i < configs.count(); ++i) { 364 const Config& config = gConfigs[configs[i]]; 365 366 if (SkBenchmark::kGPU_Backend == config.backend) { 367 GrContext* context = gContextFactory.get(config.contextType); 368 if (NULL == context) { 369 logger.logError(SkStringPrintf( 370 "Error creating GrContext for config %s. Config will be skipped.\n", 371 config.name)); 372 configs.remove(i); 373 --i; 374 continue; 375 } 376 if (config.sampleCount > context->getMaxSampleCount()){ 377 logger.logError(SkStringPrintf( 378 "Sample count (%d) for config %s is unsupported. Config will be skipped.\n", 379 config.sampleCount, config.name)); 380 configs.remove(i); 381 --i; 382 continue; 383 } 384 } 385 } 386#endif 387 388 // All flags should be parsed now. Report our settings. 389 if (kIsDebug) { 390 logger.logError("bench was built in Debug mode, so we're going to hide the times." 391 " It's for your own good!\n"); 392 } 393 writer.option("mode", FLAGS_mode[0]); 394 writer.option("alpha", SkStringPrintf("0x%02X", alpha).c_str()); 395 writer.option("antialias", SkStringPrintf("%d", FLAGS_forceAA).c_str()); 396 writer.option("filter", SkStringPrintf("%d", FLAGS_forceFilter).c_str()); 397 writer.option("dither", SkTriState::Name[dither]); 398 399 writer.option("rotate", SkStringPrintf("%d", FLAGS_rotate).c_str()); 400 writer.option("scale", SkStringPrintf("%d", FLAGS_scale).c_str()); 401 writer.option("clip", SkStringPrintf("%d", FLAGS_clip).c_str()); 402 403#if defined(SK_BUILD_FOR_WIN32) 404 writer.option("system", "WIN32"); 405#elif defined(SK_BUILD_FOR_MAC) 406 writer.option("system", "MAC"); 407#elif defined(SK_BUILD_FOR_ANDROID) 408 writer.option("system", "ANDROID"); 409#elif defined(SK_BUILD_FOR_UNIX) 410 writer.option("system", "UNIX"); 411#else 412 writer.option("system", "other"); 413#endif 414 415#if defined(SK_DEBUG) 416 writer.option("build", "DEBUG"); 417#else 418 writer.option("build", "RELEASE"); 419#endif 420 421 // Set texture cache limits if non-default. 422 for (size_t i = 0; i < SK_ARRAY_COUNT(gConfigs); ++i) { 423#if SK_SUPPORT_GPU 424 const Config& config = gConfigs[i]; 425 if (SkBenchmark::kGPU_Backend != config.backend) { 426 continue; 427 } 428 GrContext* context = gContextFactory.get(config.contextType); 429 if (NULL == context) { 430 continue; 431 } 432 433 size_t bytes; 434 int count; 435 context->getTextureCacheLimits(&count, &bytes); 436 if (-1 != FLAGS_gpuCacheBytes) { 437 bytes = static_cast<size_t>(FLAGS_gpuCacheBytes); 438 } 439 if (-1 != FLAGS_gpuCacheCount) { 440 count = FLAGS_gpuCacheCount; 441 } 442 context->setTextureCacheLimits(count, bytes); 443#endif 444 } 445 446 // Run each bench in each configuration it supports and we asked for. 447 Iter iter; 448 SkBenchmark* bench; 449 while ((bench = iter.next()) != NULL) { 450 SkAutoTUnref<SkBenchmark> benchUnref(bench); 451 if (SkCommandLineFlags::ShouldSkip(FLAGS_match, bench->getName())) { 452 continue; 453 } 454 455 bench->setForceAlpha(alpha); 456 bench->setForceAA(FLAGS_forceAA); 457 bench->setForceFilter(FLAGS_forceFilter); 458 bench->setDither(dither); 459 AutoPrePostDraw appd(bench); 460 461 bool loggedBenchName = false; 462 for (int i = 0; i < configs.count(); ++i) { 463 const int configIndex = configs[i]; 464 const Config& config = gConfigs[configIndex]; 465 466 if (!bench->isSuitableFor(config.backend)) { 467 continue; 468 } 469 470 GrContext* context = NULL; 471#if SK_SUPPORT_GPU 472 SkGLContextHelper* glContext = NULL; 473 if (SkBenchmark::kGPU_Backend == config.backend) { 474 context = gContextFactory.get(config.contextType); 475 if (NULL == context) { 476 continue; 477 } 478 glContext = gContextFactory.getGLContext(config.contextType); 479 } 480#endif 481 482 SkAutoTUnref<SkCanvas> canvas; 483 SkPicture recordFrom, recordTo; 484 const SkIPoint dim = bench->getSize(); 485 486 const SkPicture::RecordingFlags kRecordFlags = 487 SkPicture::kUsePathBoundsForClip_RecordingFlag; 488 489 SkAutoTUnref<SkSurface> surface; 490 if (SkBenchmark::kNonRendering_Backend != config.backend) { 491 surface.reset(make_surface(config.fColorType, 492 dim, 493 config.backend, 494 config.sampleCount, 495 context)); 496 if (!surface.get()) { 497 logger.logError(SkStringPrintf( 498 "Device creation failure for config %s. Will skip.\n", config.name)); 499 continue; 500 } 501 502 switch(benchMode) { 503 case kDeferredSilent_BenchMode: 504 case kDeferred_BenchMode: 505 canvas.reset(SkDeferredCanvas::Create(surface.get())); 506 break; 507 case kRecord_BenchMode: 508 canvas.reset(SkRef(recordTo.beginRecording(dim.fX, dim.fY, kRecordFlags))); 509 break; 510 case kPictureRecord_BenchMode: 511 bench->draw(1, recordFrom.beginRecording(dim.fX, dim.fY, kRecordFlags)); 512 recordFrom.endRecording(); 513 canvas.reset(SkRef(recordTo.beginRecording(dim.fX, dim.fY, kRecordFlags))); 514 break; 515 case kNormal_BenchMode: 516 canvas.reset(SkRef(surface->getCanvas())); 517 break; 518 default: 519 SkASSERT(false); 520 } 521 } 522 523 if (NULL != canvas) { 524 canvas->clear(SK_ColorWHITE); 525 if (FLAGS_clip) { performClip(canvas, dim.fX, dim.fY); } 526 if (FLAGS_scale) { performScale(canvas, dim.fX, dim.fY); } 527 if (FLAGS_rotate) { performRotate(canvas, dim.fX, dim.fY); } 528 } 529 530 if (!loggedBenchName) { 531 loggedBenchName = true; 532 writer.bench(bench->getName(), dim.fX, dim.fY); 533 } 534 535#if SK_SUPPORT_GPU 536 SkGLContextHelper* contextHelper = NULL; 537 if (SkBenchmark::kGPU_Backend == config.backend) { 538 contextHelper = gContextFactory.getGLContext(config.contextType); 539 } 540 BenchTimer timer(contextHelper); 541#else 542 BenchTimer timer; 543#endif 544 545 double previous = std::numeric_limits<double>::infinity(); 546 bool converged = false; 547 548 // variables used to compute loopsPerFrame 549 double frameIntervalTime = 0.0f; 550 int frameIntervalTotalLoops = 0; 551 552 bool frameIntervalComputed = false; 553 int loopsPerFrame = 0; 554 int loopsPerIter = 0; 555 if (FLAGS_verbose) { SkDebugf("%s %s: ", bench->getName(), config.name); } 556 if (!FLAGS_dryRun) { 557 do { 558 // Ramp up 1 -> 2 -> 4 -> 8 -> 16 -> ... -> ~1 billion. 559 loopsPerIter = (loopsPerIter == 0) ? 1 : loopsPerIter * 2; 560 if (loopsPerIter >= (1<<30) || timer.fWall > FLAGS_maxMs) { 561 // If you find it takes more than a billion loops to get up to 20ms of runtime, 562 // you've got a computer clocked at several THz or have a broken benchmark. ;) 563 // "1B ought to be enough for anybody." 564 logger.logError(SkStringPrintf( 565 "\nCan't get %s %s to converge in %dms (%d loops)", 566 bench->getName(), config.name, FLAGS_maxMs, loopsPerIter)); 567 break; 568 } 569 570 if ((benchMode == kRecord_BenchMode || benchMode == kPictureRecord_BenchMode)) { 571 // Clear the recorded commands so that they do not accumulate. 572 canvas.reset(SkRef(recordTo.beginRecording(dim.fX, dim.fY, kRecordFlags))); 573 } 574 575 timer.start(); 576 // Inner loop that allows us to break the run into smaller 577 // chunks (e.g. frames). This is especially useful for the GPU 578 // as we can flush and/or swap buffers to keep the GPU from 579 // queuing up too much work. 580 for (int loopCount = loopsPerIter; loopCount > 0; ) { 581 // Save and restore around each call to draw() to guarantee a pristine canvas. 582 SkAutoCanvasRestore saveRestore(canvas, true/*also save*/); 583 584 int loops; 585 if (frameIntervalComputed && loopCount > loopsPerFrame) { 586 loops = loopsPerFrame; 587 loopCount -= loopsPerFrame; 588 } else { 589 loops = loopCount; 590 loopCount = 0; 591 } 592 593 if (benchMode == kPictureRecord_BenchMode) { 594 recordFrom.draw(canvas); 595 } else { 596 bench->draw(loops, canvas); 597 } 598 599 if (kDeferredSilent_BenchMode == benchMode) { 600 static_cast<SkDeferredCanvas*>(canvas.get())->silentFlush(); 601 } else if (NULL != canvas) { 602 canvas->flush(); 603 } 604 605 #if SK_SUPPORT_GPU 606 // swap drawing buffers on each frame to prevent the GPU 607 // from queuing up too much work 608 if (NULL != glContext) { 609 glContext->swapBuffers(); 610 } 611 #endif 612 } 613 614 615 616 // Stop truncated timers before GL calls complete, and stop the full timers after. 617 timer.truncatedEnd(); 618 #if SK_SUPPORT_GPU 619 if (NULL != glContext) { 620 context->flush(); 621 SK_GL(*glContext, Finish()); 622 } 623 #endif 624 timer.end(); 625 626 // setup the frame interval for subsequent iterations 627 if (!frameIntervalComputed) { 628 frameIntervalTime += timer.fWall; 629 frameIntervalTotalLoops += loopsPerIter; 630 if (frameIntervalTime >= FLAGS_minMs) { 631 frameIntervalComputed = true; 632 loopsPerFrame = 633 (int)(((double)frameIntervalTotalLoops / frameIntervalTime) * FLAGS_minMs); 634 if (loopsPerFrame < 1) { 635 loopsPerFrame = 1; 636 } 637 // SkDebugf(" %s has %d loops in %f ms (normalized to %d)\n", 638 // bench->getName(), frameIntervalTotalLoops, 639 // timer.fWall, loopsPerFrame); 640 } 641 } 642 643 const double current = timer.fWall / loopsPerIter; 644 if (FLAGS_verbose && current > previous) { SkDebugf("↑"); } 645 if (FLAGS_verbose) { SkDebugf("%.3g ", current); } 646 converged = HasConverged(previous, current, timer.fWall); 647 previous = current; 648 } while (!kIsDebug && !converged); 649 } 650 if (FLAGS_verbose) { SkDebugf("\n"); } 651 652 if (!FLAGS_dryRun && FLAGS_outDir.count() && SkBenchmark::kNonRendering_Backend != config.backend) { 653 SkAutoTUnref<SkImage> image(surface->newImageSnapshot()); 654 if (image.get()) { 655 saveFile(bench->getName(), config.name, FLAGS_outDir[0], 656 image); 657 } 658 } 659 660 if (kIsDebug) { 661 // Let's not mislead ourselves by looking at Debug build bench times! 662 continue; 663 } 664 665 // Normalize to ms per 1000 iterations. 666 const double normalize = 1000.0 / loopsPerIter; 667 const struct { char shortName; const char* longName; double ms; } times[] = { 668 {'w', "msecs", normalize * timer.fWall}, 669 {'W', "Wmsecs", normalize * timer.fTruncatedWall}, 670 {'c', "cmsecs", normalize * timer.fCpu}, 671 {'C', "Cmsecs", normalize * timer.fTruncatedCpu}, 672 {'g', "gmsecs", normalize * timer.fGpu}, 673 }; 674 675 writer.config(config.name); 676 for (size_t i = 0; i < SK_ARRAY_COUNT(times); i++) { 677 if (strchr(FLAGS_timers[0], times[i].shortName) && times[i].ms > 0) { 678 writer.timer(times[i].longName, times[i].ms); 679 } 680 } 681 } 682 } 683#if SK_SUPPORT_GPU 684 gContextFactory.destroyContexts(); 685#endif 686 return 0; 687} 688 689#if !defined(SK_BUILD_FOR_IOS) && !defined(SK_BUILD_FOR_NACL) 690int main(int argc, char * const argv[]) { 691 return tool_main(argc, (char**) argv); 692} 693#endif 694