#ifdef _ONE_AT_A_TIME_

uint x;

void init_random_state_one_at_a_time(in float seed) {
    x = ((gl_GlobalInvocationID.y << 16) | (gl_GlobalInvocationID.x)) + floatBitsToInt(seed);
}

// A single iteration of Bob Jenkins' One-At-A-Time hashing algorithm.
uint one_at_a_time_hash() {
    x += (x << 10u);
    x ^= (x >> 6u);
    x += (x << 3u);
    x ^= (x >> 11u);
    x += (x << 15u);
    return x;
}

#define HASH_FUNCTION one_at_a_time_hash
#define INIT_STATE_FUNCTION init_random_state_one_at_a_time

#endif