X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fblend.h;h=e7b291e617dab5c2044e787c99ee7a09a7dfcac5;hp=41567c5377266a741e112584ae373dbd0678a6c4;hb=573ea4e5602c4321cc1d75daf9ed0beed5cde280;hpb=e69287d99126a20326d713c9a44360f15c94d137

diff --git a/source/blend.h b/source/blend.h
index 41567c53..e7b291e6 100644
--- a/source/blend.h
+++ b/source/blend.h
@@ -1,6 +1,7 @@
 #ifndef MSP_GL_BLEND_H_
 #define MSP_GL_BLEND_H_
 
+#include <msp/strings/lexicalcast.h>
 #include "bindable.h"
 #include "gl.h"
 #include <msp/gl/extensions/ext_blend_minmax.h>
@@ -59,6 +60,9 @@ public:
 	static const Blend &additive_alpha();
 };
 
+void operator>>(const LexicalConverter &, BlendFactor &);
+void operator<<(LexicalConverter &, BlendFactor);
+
 } // namespace GL
 } // namespace Msp