1 files changed, 3 insertions, 2 deletions
diff --git a/headtrack_stereo_demo/shaders/greyscale.frag b/headtrack_stereo_demo/shaders/greyscale.frag
index d4b77cd..107e586 100644
--- a/headtrack_stereo_demo/shaders/greyscale.frag
+++ b/headtrack_stereo_demo/shaders/greyscale.frag
@@ -41,10 +41,11 @@ void main()
 	//convert to grayscale using NTSC conversion weights 
 	//gray = dot(color.rgb, vec3(0.299, 0.587, 0.114));
 	gray = dot(color.rgb, g_ConversionWeights);
-	
+	//gray = color.r * 0.299 + color.g * 0.587 + color.b * 0.114;
+
 	//copy grayscale to rgb components and use the alpha from the final color
 	gl_FragColor = vec4(gray, gray, gray, color.a);
 	
 	// convert grayscale to sepia
     //gl_FragColor = vec4(gray * vec3(1.2, 1.0, 0.8), color.a);
-}
+}
+\ No newline at end of file