Added support for getting the current screen refresh rate using the XrandR extension.

2011-02-04 10:27:05 +00:00
parent bd6009f9f2
commit d218a8c9a7
1 changed files with 15 additions and 0 deletions
--- a/src/osgViewer/GraphicsWindowX11.cpp
+++ b/src/osgViewer/GraphicsWindowX11.cpp
@@ -1910,7 +1910,22 @@ public:
            resolution.width = DisplayWidth(display, si.screenNum);
            resolution.height = DisplayHeight(display, si.screenNum);
            resolution.colorDepth = DefaultDepth(display, si.screenNum);
+
            resolution.refreshRate = 0;            // Missing call. Need a X11 expert.
+
+
+#ifdef OSGVIEWER_USE_XRANDR
+           if (supportsRandr(display))
+           {
+
+               XRRScreenConfiguration* screenConfig = XRRGetScreenInfo ( display, RootWindow(display, si.screenNum) );
+
+               resolution.refreshRate = XRRConfigCurrentRate ( screenConfig );
+
+               XRRFreeScreenConfigInfo( screenConfig );
+           }
+#endif
+
            
            XCloseDisplay(display);
        }