for (i = 0; i < level; i++) { \
const uint##nbits##_t *src = (const uint##nbits##_t *) \
(data + y*linesize + x*step); \
- struct rgbvec *vec = &lut3d->lut[k][j][i]; \
+ struct rgbvec *vec = &lut3d->lut[i][j][k]; \
vec->r = src[rgba_map[0]] / (float)((1<<(nbits)) - 1); \
vec->g = src[rgba_map[1]] / (float)((1<<(nbits)) - 1); \
vec->b = src[rgba_map[2]] / (float)((1<<(nbits)) - 1); \