source: data/data_extern/programs/GLSL120/ShowUVdir3D.glsl

#version 120

varying vec4 oUv0;

// Basic fragment program to display 3d uv
void main()
{
        vec3 n = normalize(oUv0.xyz);
        gl_FragColor = vec4(n.x, n.y, n.z, 1.0);
}