X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fextension.h;h=4072869cc25662d8c76fe2d4ab94c5700515f2a3;hb=196093790e242dec24bfbbf7ad8c28dcc442824c;hp=4410cc3c316e244ec7ecd934e4668befffb6126d;hpb=dc1d1159a61f378bda11e5989ad694a86b9a3c77;p=libs%2Fgl.git

diff --git a/source/extension.h b/source/extension.h
index 4410cc3c..4072869c 100644
--- a/source/extension.h
+++ b/source/extension.h
@@ -1,14 +1,7 @@
-/* $Id$
-
-This file is part of libmspgl
-Copyright © 2007  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
 #ifndef MSP_GL_EXTENSION_H_
 #define MSP_GL_EXTENSION_H_
 
-#include <msp/core/except.h>
+#include <string>
 
 namespace Msp {
 namespace GL {
@@ -27,12 +20,6 @@ functions of that extension are safe to use.
 */
 bool is_supported(const std::string &);
 
-/**
-Returns the OpenGL version number, as reported by the implementation.
-Functions up to the returned version are safe to use.
-*/
-const Version &get_gl_version();
-
 /**
 Checks that an extension is supported and throws if it isn't.
 */
@@ -46,6 +33,17 @@ struct RequireExtension
 	RequireExtension(const std::string &e) { require_extension(e); }
 };
 
+/**
+Returns the OpenGL version number, as reported by the implementation.
+Functions up to the returned version are safe to use.
+*/
+const Version &get_gl_version();
+
+/**
+Indicates whether the OpenGL version is at least a.b.
+*/
+bool is_version_at_least(unsigned a, unsigned b);
+
 /**
 Checks that the OpenGL version is at least a.b and throws if it isn't.
 */
@@ -60,7 +58,7 @@ struct RequireVersion
 };
 
 /**
-Returns the address of an extension function.
+Returns the address of an extension function.  Only indended for internal use.
 */
 ExtFunc *get_proc_address(const std::string &);