simonbroggi

/*
 * Ambient Occlusion and Direction.
 * 
 * Calculates AO and the average direction where the ambient light came from.
 *
 * Original AO code from https://github.com/sambler/osl-shaders/blob/master/ramps/BaAmbientOcclusion/BaAmbientOcclusion.osl
 *
 */

void rng_seed(output int rng, int seed)