1 /* 2 * Copyright 2015 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 "VisualDebugModule.h" 9 10 #include "SkCanvas.h" 11 VisualDebugModule(VisualBench * owner)12VisualDebugModule::VisualDebugModule(VisualBench* owner) 13 : fState(kInit_State) 14 , fIndex(0) 15 , fOwner(owner) { 16 // VisualDebugModule only really makes sense for SKPs 17 fBenchmarkStream.reset(new VisualBenchmarkStream(owner->getSurfaceProps(), true)); 18 } 19 advanceIfNecessary(SkCanvas * canvas)20bool VisualDebugModule::advanceIfNecessary(SkCanvas* canvas) { 21 Benchmark* benchmark = fBenchmarkStream->current(); 22 switch (fState) { 23 case kInit_State: { 24 // setup new benchmark 25 benchmark->delayedSetup(); 26 fOwner->clear(canvas, SK_ColorWHITE, 3); 27 benchmark->preTimingHooks(canvas); 28 29 // reset debug canvas 30 SkIPoint size = benchmark->getSize(); 31 fDebugCanvas.reset(new SkDebugCanvas(size.fX, size.fY)); 32 33 // pour benchmark into canvas 34 benchmark->draw(1, fDebugCanvas); 35 fIndex = fDebugCanvas->getSize() - 1; 36 fState = kPlay_State; 37 break; 38 } 39 case kPlay_State: break; 40 case kNext_State: 41 // cleanup after the last SKP 42 benchmark->postTimingHooks(canvas); 43 fOwner->reset(); 44 if (!fBenchmarkStream->next()) { 45 SkDebugf("Exiting VisualBench successfully\n"); 46 fOwner->closeWindow(); 47 return false; 48 } 49 fState = kInit_State; 50 break; 51 } 52 return true; 53 } 54 draw(SkCanvas * canvas)55void VisualDebugModule::draw(SkCanvas* canvas) { 56 if (!fBenchmarkStream->current() || !this->advanceIfNecessary(canvas)) { 57 return; 58 } 59 60 fDebugCanvas->drawTo(canvas, fIndex); 61 canvas->flush(); 62 fOwner->present(); 63 } 64 onHandleChar(SkUnichar c)65bool VisualDebugModule::onHandleChar(SkUnichar c) { 66 switch (c) { 67 case ' ': fState = kNext_State; break; 68 case 'a': fIndex = (fIndex + 1) % (fDebugCanvas->getSize() - 1); break; 69 case 's': fIndex = fIndex <= 0 ? fDebugCanvas->getSize() - 1 : fIndex - 1; break; 70 default: break; 71 } 72 73 return true; 74 } 75