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 13namespace sk_gpu_test { 14TestContext::TestContext() 15 : fFenceSync(nullptr) 16 , fGpuTimer(nullptr) 17 , fCurrentFenceIdx(0) { 18 memset(fFrameFences, 0, sizeof(fFrameFences)); 19} 20 21TestContext::~TestContext() { 22 // Subclass should call teardown. 23#ifdef SK_DEBUG 24 for (size_t i = 0; i < SK_ARRAY_COUNT(fFrameFences); i++) { 25 SkASSERT(0 == fFrameFences[i]); 26 } 27#endif 28 SkASSERT(!fFenceSync); 29 SkASSERT(!fGpuTimer); 30} 31 32void TestContext::makeCurrent() const { this->onPlatformMakeCurrent(); } 33 34void TestContext::swapBuffers() { this->onPlatformSwapBuffers(); } 35 36void TestContext::waitOnSyncOrSwap() { 37 if (!fFenceSync) { 38 // Fallback on the platform SwapBuffers method for synchronization. This may have no effect. 39 this->swapBuffers(); 40 return; 41 } 42 43 this->submit(); 44 if (fFrameFences[fCurrentFenceIdx]) { 45 if (!fFenceSync->waitFence(fFrameFences[fCurrentFenceIdx])) { 46 SkDebugf("WARNING: Wait failed for fence sync. Timings might not be accurate.\n"); 47 } 48 fFenceSync->deleteFence(fFrameFences[fCurrentFenceIdx]); 49 } 50 51 fFrameFences[fCurrentFenceIdx] = fFenceSync->insertFence(); 52 fCurrentFenceIdx = (fCurrentFenceIdx + 1) % SK_ARRAY_COUNT(fFrameFences); 53} 54 55void TestContext::testAbandon() { 56 if (fFenceSync) { 57 memset(fFrameFences, 0, sizeof(fFrameFences)); 58 } 59} 60 61void TestContext::teardown() { 62 if (fFenceSync) { 63 for (size_t i = 0; i < SK_ARRAY_COUNT(fFrameFences); i++) { 64 if (fFrameFences[i]) { 65 fFenceSync->deleteFence(fFrameFences[i]); 66 fFrameFences[i] = 0; 67 } 68 } 69 fFenceSync.reset(); 70 } 71 fGpuTimer.reset(); 72} 73 74} 75