1 2/* 3 * Copyright 2016 Google Inc. 4 * 5 * Use of this source code is governed by a BSD-style license that can be 6 * found in the LICENSE file. 7 */ 8 9#include "TestContext.h" 10 11#include "GpuTimer.h" 12 13#include "GrContext.h" 14 15namespace sk_gpu_test { 16TestContext::TestContext() 17 : fFenceSync(nullptr) 18 , fGpuTimer(nullptr) 19 , fCurrentFenceIdx(0) { 20 memset(fFrameFences, 0, sizeof(fFrameFences)); 21} 22 23TestContext::~TestContext() { 24 // Subclass should call teardown. 25#ifdef SK_DEBUG 26 for (size_t i = 0; i < SK_ARRAY_COUNT(fFrameFences); i++) { 27 SkASSERT(0 == fFrameFences[i]); 28 } 29#endif 30 SkASSERT(!fFenceSync); 31 SkASSERT(!fGpuTimer); 32} 33 34sk_sp<GrContext> TestContext::makeGrContext(const GrContextOptions&) { 35 return nullptr; 36} 37 38void TestContext::makeCurrent() const { this->onPlatformMakeCurrent(); } 39 40SkScopeExit TestContext::makeCurrentAndAutoRestore() const { 41 auto asr = SkScopeExit(this->onPlatformGetAutoContextRestore()); 42 this->makeCurrent(); 43 return asr; 44} 45 46void TestContext::swapBuffers() { this->onPlatformSwapBuffers(); } 47 48 49void TestContext::waitOnSyncOrSwap() { 50 if (!fFenceSync) { 51 // Fallback on the platform SwapBuffers method for synchronization. This may have no effect. 52 this->swapBuffers(); 53 return; 54 } 55 56 this->submit(); 57 if (fFrameFences[fCurrentFenceIdx]) { 58 if (!fFenceSync->waitFence(fFrameFences[fCurrentFenceIdx])) { 59 SkDebugf("WARNING: Wait failed for fence sync. Timings might not be accurate.\n"); 60 } 61 fFenceSync->deleteFence(fFrameFences[fCurrentFenceIdx]); 62 } 63 64 fFrameFences[fCurrentFenceIdx] = fFenceSync->insertFence(); 65 fCurrentFenceIdx = (fCurrentFenceIdx + 1) % SK_ARRAY_COUNT(fFrameFences); 66} 67 68void TestContext::testAbandon() { 69 if (fFenceSync) { 70 memset(fFrameFences, 0, sizeof(fFrameFences)); 71 } 72} 73 74void TestContext::teardown() { 75 if (fFenceSync) { 76 for (size_t i = 0; i < SK_ARRAY_COUNT(fFrameFences); i++) { 77 if (fFrameFences[i]) { 78 fFenceSync->deleteFence(fFrameFences[i]); 79 fFrameFences[i] = 0; 80 } 81 } 82 fFenceSync.reset(); 83 } 84 fGpuTimer.reset(); 85} 86 87} 88