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| 1 /* | 1 /* |
| 2 * Copyright 2016 Google Inc. | 2 * Copyright 2016 Google Inc. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
| 6 */ | 6 */ |
| 7 | 7 |
| 8 #include "GrCaps.h" | 8 #include "GrCaps.h" |
| 9 #include "GrContextFactory.h" | 9 #include "GrContextFactory.h" |
| 10 #include "Benchmark.h" | 10 #include "Benchmark.h" |
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| 211 return false; | 211 return false; |
| 212 } | 212 } |
| 213 bmp->setInfo(canvas->imageInfo()); | 213 bmp->setInfo(canvas->imageInfo()); |
| 214 if (!canvas->readPixels(bmp, 0, 0)) { | 214 if (!canvas->readPixels(bmp, 0, 0)) { |
| 215 SkDebugf("Can't read canvas pixels.\n"); | 215 SkDebugf("Can't read canvas pixels.\n"); |
| 216 return false; | 216 return false; |
| 217 } | 217 } |
| 218 return true; | 218 return true; |
| 219 } | 219 } |
| 220 | 220 |
| 221 GLTestContext* gl() { return fGL; } | 221 GLContext* gl() { return fGL; } |
| 222 | 222 |
| 223 private: | 223 private: |
| 224 GLTestContext* fGL; | 224 GLContext* fGL; |
| 225 SkAutoTDelete<SkSurface> fSurface; | 225 SkAutoTDelete<SkSurface> fSurface; |
| 226 }; | 226 }; |
| 227 | 227 |
| 228 static bool write_canvas_png(GPUTarget* target, const SkString& filename) { | 228 static bool write_canvas_png(GPUTarget* target, const SkString& filename) { |
| 229 | 229 |
| 230 if (filename.isEmpty()) { | 230 if (filename.isEmpty()) { |
| 231 return false; | 231 return false; |
| 232 } | 232 } |
| 233 if (target->getCanvas() && | 233 if (target->getCanvas() && |
| 234 kUnknown_SkColorType == target->getCanvas()->imageInfo().colorType()) { | 234 kUnknown_SkColorType == target->getCanvas()->imageInfo().colorType()) { |
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| 275 if (loops > FLAGS_maxLoops) { | 275 if (loops > FLAGS_maxLoops) { |
| 276 SkDebugf("WARNING: clamping loops from %d to FLAGS_maxLoops, %d.\n", loo
ps, FLAGS_maxLoops); | 276 SkDebugf("WARNING: clamping loops from %d to FLAGS_maxLoops, %d.\n", loo
ps, FLAGS_maxLoops); |
| 277 return FLAGS_maxLoops; | 277 return FLAGS_maxLoops; |
| 278 } | 278 } |
| 279 return loops; | 279 return loops; |
| 280 } | 280 } |
| 281 | 281 |
| 282 static double now_ms() { return SkTime::GetNSecs() * 1e-6; } | 282 static double now_ms() { return SkTime::GetNSecs() * 1e-6; } |
| 283 | 283 |
| 284 struct TimingThread { | 284 struct TimingThread { |
| 285 TimingThread(GLTestContext* mainContext) | 285 TimingThread(GLContext* mainContext) |
| 286 : fFenceSync(mainContext->fenceSync()) | 286 : fFenceSync(mainContext->fenceSync()) |
| 287 , fMainContext(mainContext) | 287 , fMainContext(mainContext) |
| 288 , fDone(false) {} | 288 , fDone(false) {} |
| 289 | 289 |
| 290 static void Loop(void* data) { | 290 static void Loop(void* data) { |
| 291 TimingThread* timingThread = reinterpret_cast<TimingThread*>(data); | 291 TimingThread* timingThread = reinterpret_cast<TimingThread*>(data); |
| 292 timingThread->timingLoop(); | 292 timingThread->timingLoop(); |
| 293 } | 293 } |
| 294 | 294 |
| 295 // To ensure waiting for the sync actually does something, we check to make
sure the we exceed | 295 // To ensure waiting for the sync actually does something, we check to make
sure the we exceed |
| 296 // some small value | 296 // some small value |
| 297 const double kMinElapsed = 1e-6; | 297 const double kMinElapsed = 1e-6; |
| 298 bool sanity(double start) const { | 298 bool sanity(double start) const { |
| 299 double elapsed = now_ms() - start; | 299 double elapsed = now_ms() - start; |
| 300 return elapsed > kMinElapsed; | 300 return elapsed > kMinElapsed; |
| 301 } | 301 } |
| 302 | 302 |
| 303 void waitFence(SkPlatformGpuFence sync) { | 303 void waitFence(SkPlatformGpuFence sync) { |
| 304 SkDEBUGCODE(double start = now_ms()); | 304 SkDEBUGCODE(double start = now_ms()); |
| 305 fFenceSync->waitFence(sync, false); | 305 fFenceSync->waitFence(sync, false); |
| 306 SkASSERT(sanity(start)); | 306 SkASSERT(sanity(start)); |
| 307 } | 307 } |
| 308 | 308 |
| 309 void timingLoop() { | 309 void timingLoop() { |
| 310 // Create a context which shares display lists with the main thread | 310 // Create a context which shares display lists with the main thread |
| 311 SkAutoTDelete<GLTestContext> glContext(CreatePlatformGLTestContext(kNone
_GrGLStandard, | 311 SkAutoTDelete<GLContext> glContext(CreatePlatformGLContext(kNone_GrGLSta
ndard, |
| 312 fMain
Context)); | 312 fMainContext)
); |
| 313 glContext->makeCurrent(); | 313 glContext->makeCurrent(); |
| 314 | 314 |
| 315 // Basic timing methodology is: | 315 // Basic timing methodology is: |
| 316 // 1) Wait on semaphore until main thread indicates its time to start ti
ming the frame | 316 // 1) Wait on semaphore until main thread indicates its time to start ti
ming the frame |
| 317 // 2) Wait on frame start sync, record time. This is start of the frame
. | 317 // 2) Wait on frame start sync, record time. This is start of the frame
. |
| 318 // 3) Wait on semaphore until main thread indicates its time to finish t
iming the frame | 318 // 3) Wait on semaphore until main thread indicates its time to finish t
iming the frame |
| 319 // 4) Wait on frame end sync, record time. FrameEndTime - FrameStartTim
e = frame time | 319 // 4) Wait on frame end sync, record time. FrameEndTime - FrameStartTim
e = frame time |
| 320 // 5) Wait on semaphore until main thread indicates we should time the n
ext frame or quit | 320 // 5) Wait on semaphore until main thread indicates we should time the n
ext frame or quit |
| 321 while (true) { | 321 while (true) { |
| 322 fSemaphore.wait(); | 322 fSemaphore.wait(); |
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| 398 | 398 |
| 399 private: | 399 private: |
| 400 SkGpuFenceSync* fFenceSync; | 400 SkGpuFenceSync* fFenceSync; |
| 401 SkSemaphore fSemaphore; | 401 SkSemaphore fSemaphore; |
| 402 SkMutex fFrameStartSyncsMutex; | 402 SkMutex fFrameStartSyncsMutex; |
| 403 SyncQueue fFrameStartSyncs; | 403 SyncQueue fFrameStartSyncs; |
| 404 SkMutex fFrameEndSyncsMutex; | 404 SkMutex fFrameEndSyncsMutex; |
| 405 SyncQueue fFrameEndSyncs; | 405 SyncQueue fFrameEndSyncs; |
| 406 SkTArray<double> fTimings; | 406 SkTArray<double> fTimings; |
| 407 SkMutex fDoneMutex; | 407 SkMutex fDoneMutex; |
| 408 GLTestContext* fMainContext; | 408 GLContext* fMainContext; |
| 409 bool fDone; | 409 bool fDone; |
| 410 }; | 410 }; |
| 411 | 411 |
| 412 static double time(int loops, Benchmark* bench, GPUTarget* target, TimingThread*
timingThread) { | 412 static double time(int loops, Benchmark* bench, GPUTarget* target, TimingThread*
timingThread) { |
| 413 SkCanvas* canvas = target->getCanvas(); | 413 SkCanvas* canvas = target->getCanvas(); |
| 414 canvas->clear(SK_ColorWHITE); | 414 canvas->clear(SK_ColorWHITE); |
| 415 bench->preDraw(canvas); | 415 bench->preDraw(canvas); |
| 416 | 416 |
| 417 if (timingThread) { | 417 if (timingThread) { |
| 418 timingThread->pushStartSync(); | 418 timingThread->pushStartSync(); |
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| 648 } | 648 } |
| 649 return 0; | 649 return 0; |
| 650 } | 650 } |
| 651 | 651 |
| 652 #if !defined SK_BUILD_FOR_IOS | 652 #if !defined SK_BUILD_FOR_IOS |
| 653 int main(int argc, char** argv) { | 653 int main(int argc, char** argv) { |
| 654 SkCommandLineFlags::Parse(argc, argv); | 654 SkCommandLineFlags::Parse(argc, argv); |
| 655 return kilobench_main(); | 655 return kilobench_main(); |
| 656 } | 656 } |
| 657 #endif | 657 #endif |
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