[Jahshaka-cvs] openlibraries/effects/shaders histogram.frag, 1.1, 1.2

[Goncalo N. M. de C. <gl...@us...>]

Update of /cvsroot/openlibraries/openlibraries/effects/shaders
In directory sc8-pr-cvs3.sourceforge.net:/tmp/cvs-serv10014/effects/shaders

Modified Files:
	histogram.frag 
Log Message:
+ histogram shader updates

Index: histogram.frag
===================================================================
RCS file: /cvsroot/openlibraries/openlibraries/effects/shaders/histogram.frag,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -d -r1.1 -r1.2
--- histogram.frag	28 Jul 2006 10:56:38 -0000	1.1
+++ histogram.frag	28 Jul 2006 13:34:22 -0000	1.2
@@ -16,7 +16,7 @@
 {
 	vec4 color = texture2D( inColor0, v_tex );
 	
-	float level = clamp( dot( channels, color ), 0.0, 1.0 );
+	float level = clamp( dot( normalize( channels ), color ), 0.0, 1.0 ) * color.a;
 	if( level < min || level >= max )
 		discard;