X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fclipunit.cpp;h=2db721cf0985dd333ea4d4bcec2100a3326eb24b;hp=83080bd773e63e221a6d496b1981f9af4eb91ea4;hb=7a2427020ec6ead73258aeb326dfb7e0121520f9;hpb=9b685afdaac3952bab7a49410bdf7f6b3cf67c6f

diff --git a/source/clipunit.cpp b/source/clipunit.cpp
index 83080bd7..2db721cf 100644
--- a/source/clipunit.cpp
+++ b/source/clipunit.cpp
@@ -1,3 +1,4 @@
+#include <msp/gl/extensions/msp_clipping.h>
 #include <stdexcept>
 #include "clipunit.h"
 #include "gl.h"
@@ -24,6 +25,7 @@ bool ClipUnit::set_plane(const ClipPlane *p)
 
 unsigned ClipUnit::get_n_units()
 {
+	static Require _req(MSP_clipping);
 	static int count = get_i(GL_MAX_CLIP_PLANES);
 	return count;
 }