AuroraMiddleware/qt5base-lts
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If swapBehavior is TripleBuffer, set WGL_DOUBLE_BUFFER_ARB to TRUE

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Previously, if the drivers' swap behaviour was single-buffered
it would fallthrough (just like DefaultSwapBehavior) and remain
single-buffered.

Change-Id: I4b93ad7a49094aa992d0b8fb3429c163bbbf655d
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@nokia.com>
Reviewed-by: Kim M. Kalland <kim.kalland@nokia.com>
This commit is contained in:
Jan-Arve Saether 2012-07-20 16:11:45 +02:00 committed by Qt by Nokia
parent bcb5e564ff
commit 6fbf9506e6
1 changed files with 1 additions and 1 deletions
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2
src/plugins/platforms/windows/qwindowsglcontext.cpp
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@ -384,13 +384,13 @@ static int choosePixelFormat(HDC hdc,
iAttributes[i++] = 24;
switch (format.swapBehavior()) {
case QSurfaceFormat::DefaultSwapBehavior:
case QSurfaceFormat::TripleBuffer:
break;
case QSurfaceFormat::SingleBuffer:
iAttributes[i++] = WGL_DOUBLE_BUFFER_ARB;
iAttributes[i++] = FALSE;
break;
case QSurfaceFormat::DoubleBuffer:
case QSurfaceFormat::TripleBuffer:
iAttributes[i++] = WGL_DOUBLE_BUFFER_ARB;
iAttributes[i++] = TRUE;
break;