diff options
Diffstat (limited to 'intern/cycles/kernel/integrator/path_state.h')
| -rw-r--r-- | intern/cycles/kernel/integrator/path_state.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/intern/cycles/kernel/integrator/path_state.h b/intern/cycles/kernel/integrator/path_state.h index 54560905397..dbc6fc5a883 100644 --- a/intern/cycles/kernel/integrator/path_state.h +++ b/intern/cycles/kernel/integrator/path_state.h @@ -56,6 +56,11 @@ ccl_device_inline void path_state_init_integrator(KernelGlobals kg, INTEGRATOR_STATE_WRITE(state, path, continuation_probability) = 1.0f; INTEGRATOR_STATE_WRITE(state, path, throughput) = one_spectrum(); +#ifdef __PATH_GUIDING__ + INTEGRATOR_STATE_WRITE(state, path, unguided_throughput) = 1.0f; + INTEGRATOR_STATE_WRITE(state, guiding, path_segment) = nullptr; +#endif + #ifdef __MNEE__ INTEGRATOR_STATE_WRITE(state, path, mnee) = 0; #endif @@ -249,7 +254,11 @@ ccl_device_inline float path_state_continuation_probability(KernelGlobals kg, /* Probabilistic termination: use sqrt() to roughly match typical view * transform and do path termination a bit later on average. */ - return min(sqrtf(reduce_max(fabs(INTEGRATOR_STATE(state, path, throughput)))), 1.0f); + Spectrum throughput = INTEGRATOR_STATE(state, path, throughput); +#if defined(__PATH_GUIDING__) && PATH_GUIDING_LEVEL >= 4 + throughput *= INTEGRATOR_STATE(state, path, unguided_throughput); +#endif + return min(sqrtf(reduce_max(fabs(throughput))), 1.0f); } ccl_device_inline bool path_state_ao_bounce(KernelGlobals kg, ConstIntegratorState state) |