diff options
| -rw-r--r-- | intern/cycles/kernel/kernel_volume.h | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/intern/cycles/kernel/kernel_volume.h b/intern/cycles/kernel/kernel_volume.h index dd947a54530..0100a5badbe 100644 --- a/intern/cycles/kernel/kernel_volume.h +++ b/intern/cycles/kernel/kernel_volume.h @@ -978,6 +978,8 @@ ccl_device void kernel_volume_stack_init(KernelGlobals *kg, const float3 Pend = ray->P + ray->D*ray->t; Ray volume_ray = *ray; + volume_ray.t = FLT_MAX; + int stack_index = 0, enclosed_index = 0; int enclosed_volumes[VOLUME_STACK_SIZE]; @@ -1019,15 +1021,6 @@ ccl_device void kernel_volume_stack_init(KernelGlobals *kg, /* Move ray forward. */ volume_ray.P = ray_offset(sd.P, -sd.Ng); - if(volume_ray.t != FLT_MAX) { - volume_ray.D = normalize_len(Pend - volume_ray.P, &volume_ray.t); - /* TODO(sergey): Find a faster way detecting that ray_offset moved - * us pass through the end point. - */ - if(dot(ray->D, volume_ray.D) < 0.0f) { - break; - } - } } /* stack_index of 0 means quick checks outside of the kernel gave false * positive, nothing to worry about, just we've wasted quite a few of |