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UI: Don't round non-integer High DPI scale

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This fixes an issue on Windows where loading on a
150% scale display renders OBS windows at 200%.

Reference: https://doc.qt.io/qt-5/qguiapplication.html#setHighDpiScaleFactorRoundingPolicy
This commit is contained in:
Matt Gajownik 2020-11-28 11:08:11 +11:00
parent e436f6ab18
commit e08a8fc356
1 changed files with 4 additions and 0 deletions
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UI/obs-app.cpp
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@ -1932,6 +1932,10 @@ static int run_program(fstream &logFile, int argc, char *argv[])
#if (QT_VERSION >= QT_VERSION_CHECK(5, 11, 0))
QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
#endif
#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
QGuiApplication::setHighDpiScaleFactorRoundingPolicy(
Qt::HighDpiScaleFactorRoundingPolicy::PassThrough);
#endif
#if !defined(_WIN32) && !defined(__APPLE__) && BROWSER_AVAILABLE
setenv("QT_NO_GLIB", "1", true);