// normalized values for (-0.6/1.31, 0.6/1.31, 1./1.31) const vec3 LIGHT_TOP_DIR = vec3(-0.4574957, 0.4574957, 0.7624929); #define LIGHT_TOP_DIFFUSE (0.8 * INTENSITY_CORRECTION) #define ...
vec4 K = vec4(0.0, -1.0 / 3.0, 2.0 / 3.0, -1.0); ...