X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=shaderlib%2Fcommon.glsl;h=5c10d06fbcac31a5fd9c06f5e37293ea406c2203;hb=842c817bb679a5a0abc05e8149e2e6e0ae1a0412;hp=05648e4c0c106f469b63ed0346dc4c8b32c0c9be;hpb=146df2d02940a04aeafe854bdd981a1489cc80b3;p=libs%2Fgl.git

diff --git a/shaderlib/common.glsl b/shaderlib/common.glsl
index 05648e4c..5c10d06f 100644
--- a/shaderlib/common.glsl
+++ b/shaderlib/common.glsl
@@ -1,7 +1,7 @@
 import msp_interface;
 import shadow;
 
-const bool use_normal_map = false;
+layout(constant_id=auto) const bool use_normal_map = false;
 
 #pragma MSP stage(vertex)
 vec4 get_vertex_position()
@@ -68,7 +68,7 @@ void main()
 vec3 get_fragment_normal()
 {
 	if(use_normal_map)
-		return texture(normal_map, texcoord.xy).xyz*2.0-1.0;
+		return normalize(texture(normal_map, texcoord.xy).xyz*2.0-1.0);
 	else
 		return vec3(0.0, 0.0, 1.0);
 }