diff options
Diffstat (limited to 'src/opengl')
| -rw-r--r-- | src/opengl/qgl_x11egl.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/opengl/qgl_x11egl.cpp b/src/opengl/qgl_x11egl.cpp index 6f210ce..d67a3ea 100644 --- a/src/opengl/qgl_x11egl.cpp +++ b/src/opengl/qgl_x11egl.cpp @@ -199,6 +199,10 @@ bool QGLContext::chooseContext(const QGLContext* shareContext) configProps.setRenderableType(QEgl::OpenGL); qt_eglproperties_set_glformat(configProps, d->glFormat); + // Set buffer preserved for regular QWidgets, QGLWidgets are ok with either preserved or destroyed: + if ((devType == QInternal::Widget) && qobject_cast<QGLWidget*>(static_cast<QWidget*>(device())) == 0) + configProps.setValue(EGL_SWAP_BEHAVIOR, EGL_BUFFER_PRESERVED); + if (!d->eglContext->chooseConfig(configProps, QEgl::BestPixelFormat)) { delete d->eglContext; d->eglContext = 0; |