[Bf-blender-cvs] [b047a003f60] cycles_path_guiding: Cycles: Reset path segment during shadow path init (when path guiding)

[Sebastian Herholz]

Commit: b047a003f608b1d94138f7a4ade0a14f95951ace
Author: Sebastian Herholz
Date:   Mon Oct 10 11:35:07 2022 +0200
Branches: cycles_path_guiding
https://developer.blender.org/rBb047a003f608b1d94138f7a4ade0a14f95951ace

Cycles: Reset path segment during shadow path init (when path guiding)

===================================================================

M	intern/cycles/kernel/integrator/state_flow.h

===================================================================

diff --git a/intern/cycles/kernel/integrator/state_flow.h b/intern/cycles/kernel/integrator/state_flow.h
index 4b03c665e17..40961b1c5fb 100644
--- a/intern/cycles/kernel/integrator/state_flow.h
+++ b/intern/cycles/kernel/integrator/state_flow.h
@@ -76,6 +76,9 @@ ccl_device_forceinline IntegratorShadowState integrator_shadow_path_init(
       &kernel_integrator_state.next_shadow_path_index[0], 1);
   atomic_fetch_and_add_uint32(&kernel_integrator_state.queue_counter->num_queued[next_kernel], 1);
   INTEGRATOR_STATE_WRITE(shadow_state, shadow_path, queued_kernel) = next_kernel;
+#  ifdef __PATH_GUIDING__
+  INTEGRATOR_STATE_WRITE(shadow_state, shadow_path, path_segment) = nullptr;
+#  endif
   return shadow_state;
 }
 
@@ -181,6 +184,9 @@ ccl_device_forceinline IntegratorShadowState integrator_shadow_path_init(
 {
   IntegratorShadowState shadow_state = (is_ao) ? &state->ao : &state->shadow;
   INTEGRATOR_STATE_WRITE(shadow_state, shadow_path, queued_kernel) = next_kernel;
+#  ifdef __PATH_GUIDING__
+  INTEGRATOR_STATE_WRITE(shadow_state, shadow_path, path_segment) = nullptr;
+#  endif
   return shadow_state;
 }