diff --git a/src/osgViewer/GraphicsWindowWin32.cpp b/src/osgViewer/GraphicsWindowWin32.cpp index e75fb473c..26bd1ad98 100644 --- a/src/osgViewer/GraphicsWindowWin32.cpp +++ b/src/osgViewer/GraphicsWindowWin32.cpp @@ -1787,7 +1787,7 @@ void GraphicsWindowWin32::closeImplementation() void GraphicsWindowWin32::swapBuffersImplementation() { if (!_realized) return; - if (!::SwapBuffers(_hdc)) + if (!::SwapBuffers(_hdc) && ::GetLastError() != 0) { reportErrorForScreen("GraphicsWindowWin32::swapBuffersImplementation() - Unable to swap display buffers", _traits->screenNum, ::GetLastError()); }