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Add FPS values for all attached displays and support custom FPS values

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Fixes #926
This commit is contained in:
Cameron Gutman 2023-02-03 00:45:27 -06:00
commit 90e25e60d6
3 changed files with 70 additions and 41 deletions
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23
app/backend/systemproperties.cpp
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@ -70,7 +70,7 @@ SystemProperties::SystemProperties()
// and cache the results to speed up future queries on this data.
querySdlVideoInfo();
Q_ASSERT(maximumStreamingFrameRate >= 60);
Q_ASSERT(!monitorRefreshRates.isEmpty());
Q_ASSERT(!monitorNativeResolutions.isEmpty());
}
@ -80,6 +80,12 @@ QRect SystemProperties::getNativeResolution(int displayIndex)
return monitorNativeResolutions.value(displayIndex);
}
int SystemProperties::getRefreshRate(int displayIndex)
{
// Returns 0 if out of bounds
return monitorRefreshRates.value(displayIndex);
}
class QuerySdlVideoThread : public QThread
{
public:
@ -188,9 +194,6 @@ void SystemProperties::refreshDisplaysInternal()
monitorNativeResolutions.clear();
// Never let the maximum drop below 60 FPS
maximumStreamingFrameRate = 60;
SDL_DisplayMode bestMode;
for (int displayIndex = 0; displayIndex < SDL_GetNumVideoDisplays(); displayIndex++) {
SDL_DisplayMode desktopMode;
@ -218,7 +221,17 @@ void SystemProperties::refreshDisplaysInternal()
}
}
maximumStreamingFrameRate = qMax(maximumStreamingFrameRate, bestMode.refresh_rate);
// Try to normalize values around our our standard refresh rates.
// Some displays/OSes report values that are slightly off.
if (bestMode.refresh_rate >= 58 && bestMode.refresh_rate <= 62) {
monitorRefreshRates.append(60);
}
else if (bestMode.refresh_rate >= 28 && bestMode.refresh_rate <= 32) {
monitorRefreshRates.append(30);
}
else {
monitorRefreshRates.append(bestMode.refresh_rate);
}
}
}