diff options
Diffstat (limited to 'intern/cycles/kernel/kernel_random.h')
| -rw-r--r-- | intern/cycles/kernel/kernel_random.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/intern/cycles/kernel/kernel_random.h b/intern/cycles/kernel/kernel_random.h index efb9048beb8..93152e9ff1c 100644 --- a/intern/cycles/kernel/kernel_random.h +++ b/intern/cycles/kernel/kernel_random.h @@ -199,6 +199,19 @@ ccl_device_inline void path_state_rng_2D(KernelGlobals *kg, fx, fy); } +ccl_device_inline float path_state_rng_1D_hash(KernelGlobals *kg, + const ccl_addr_space PathState *state, + uint hash) +{ + /* Use a hash instead of dimension, this is not great but avoids adding + * more dimensions to each bounce which reduces quality of dimensions we + * are already using. */ + return path_rng_1D(kg, + cmj_hash_simple(state->rng_hash, hash), + state->sample, state->num_samples, + state->rng_offset); +} + ccl_device_inline float path_branched_rng_1D( KernelGlobals *kg, uint rng_hash, |