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GUI: fix division by zero when disabling frame rat

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This commit is contained in:
tildearrow 2024-04-07 03:00:31 -05:00
parent a793f286c5
commit 03952b7564
1 changed files with 11 additions and 10 deletions
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21
src/gui/gui.cpp
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@ -6468,19 +6468,20 @@ bool FurnaceGUI::loop() {
drawTimeEnd=SDL_GetPerformanceCounter(); drawTimeEnd=SDL_GetPerformanceCounter();
swapTimeBegin=SDL_GetPerformanceCounter(); swapTimeBegin=SDL_GetPerformanceCounter();
if (!settings.vsync || !rend->canVSync()) { if (!settings.vsync || !rend->canVSync()) {
unsigned int presentDelay=SDL_GetPerformanceFrequency()/settings.frameRateLimit; if (settings.frameRateLimit>0) {
if ((nextPresentTime-swapTimeBegin)<presentDelay) { unsigned int presentDelay=SDL_GetPerformanceFrequency()/settings.frameRateLimit;
if ((nextPresentTime-swapTimeBegin)<presentDelay) {
#ifdef _WIN32 #ifdef _WIN32
unsigned int mDivider=SDL_GetPerformanceFrequency()/1000; unsigned int mDivider=SDL_GetPerformanceFrequency()/1000;
Sleep((unsigned int)(nextPresentTime-swapTimeBegin)/mDivider); Sleep((unsigned int)(nextPresentTime-swapTimeBegin)/mDivider);
#else #else
unsigned int mDivider=SDL_GetPerformanceFrequency()/1000000; unsigned int mDivider=SDL_GetPerformanceFrequency()/1000000;
usleep((unsigned int)(nextPresentTime-swapTimeBegin)/mDivider); usleep((unsigned int)(nextPresentTime-swapTimeBegin)/mDivider);
#endif #endif
nextPresentTime+=presentDelay;
nextPresentTime+=presentDelay; } else {
} else { nextPresentTime=swapTimeBegin+presentDelay;
nextPresentTime=swapTimeBegin+presentDelay; }
} }
} }
rend->present(); rend->present();