1.1 --- a/sdr/bezier.te.glsl	Sun Dec 02 08:23:51 2012 +0200
     1.2 +++ b/sdr/bezier.te.glsl	Sun Dec 02 17:16:32 2012 +0200
     1.3 @@ -1,10 +1,12 @@
     1.4  #version 410 compatibility
     1.5  
     1.6 -layout(quads) in;
     1.7 +layout(quads, ccw) in;
     1.8  
     1.9  out vec3 normal;
    1.10  out vec3 vpos;
    1.11  
    1.12 +uniform vec3 norm_scale;
    1.13 +
    1.14  vec3 bezier_patch(float u, float v);
    1.15  vec3 bezier_patch_norm(float u, float v);
    1.16  float bernstein(int i, float x);
    1.17 @@ -39,7 +41,7 @@
    1.18  {
    1.19  	vec3 tang = bezier_patch(u + DT, v) - bezier_patch(u - DT, v);
    1.20  	vec3 bitan = bezier_patch(u, v + DT) - bezier_patch(u, v - DT);
    1.21 -	return cross(tang, bitan);
    1.22 +	return cross(tang, bitan) * norm_scale;
    1.23  }
    1.24  
    1.25  float bernstein(int i, float x)