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| author | Tom Cooksey <thomas.cooksey@nokia.com> | 2010-04-16 09:50:55 (GMT) |
|---|---|---|
| committer | Tom Cooksey <thomas.cooksey@nokia.com> | 2010-04-16 12:52:13 (GMT) |
| commit | 74f28819d985984170964d12d8f527034db93017 (patch) | |
| tree | 6c1650f2c0b2cbd70d79e55de8f8edf20107d093 /src/gui/egl | |
| parent | 5480e3b68da98253ae6ec58bd0db0075225a4e22 (diff) | |
| download | Qt-74f28819d985984170964d12d8f527034db93017.zip Qt-74f28819d985984170964d12d8f527034db93017.tar.gz Qt-74f28819d985984170964d12d8f527034db93017.tar.bz2 | |
Set EGL_SWAP_BEHAVIOR to EGL_BUFFER_PRESERVED for regular QWidgets
QGLWidgets are assumed to be buffer destroyed, however regular
QWidgets assume they can to partial updates and thus need the
preserved swap behaviour.
Reviewed-By: Trond
Task-number: QTBUG-9554
Diffstat (limited to 'src/gui/egl')
| -rw-r--r-- | src/gui/egl/qeglproperties.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/gui/egl/qeglproperties.cpp b/src/gui/egl/qeglproperties.cpp index 5543547..3638de5 100644 --- a/src/gui/egl/qeglproperties.cpp +++ b/src/gui/egl/qeglproperties.cpp @@ -241,6 +241,9 @@ void QEglProperties::setRenderableType(QEgl::API api) // reductions in complexity are possible. bool QEglProperties::reduceConfiguration() { + if (value(EGL_SWAP_BEHAVIOR) != EGL_DONT_CARE) + removeValue(EGL_SWAP_BEHAVIOR); + #ifdef EGL_VG_ALPHA_FORMAT_PRE_BIT // For OpenVG, we sometimes try to create a surface using a pre-multiplied format. If we can't // find a config which supports pre-multiplied formats, remove the flag on the surface type: |