Initial revision

include/osg/ExtensionSupported

@@ -0,0 +1,15 @@
+#ifndef OSG_EXTENSIONSUPPORTED
+#define OSG_EXTENSIONSUPPORTED 1
+
+#include <osg/Export>
+
+namespace osg {
+
+/** return true if OpenGL "extension" is supported.
+    note: Must only called within a valid OpenGL context,
+    undefined behaviour may occur otherwise.*/
+SG_EXPORT extern bool ExtensionSupported(const char *extension);
+
+};
+
+#endif