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Cycles: Fix wrong termination criteria in SSS volume stack update

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Another issue spotted with Thomas.
This commit is contained in:
Sergey Sharybin
2015-04-30 01:20:17 +05:00
parent e5f3193df3
commit 7aab5c6ca9
1 changed files with 2 additions and 2 deletions
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4
intern/cycles/kernel/kernel_volume.h
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@@ -1107,8 +1107,8 @@ ccl_device void kernel_volume_stack_update_for_subsurface(KernelGlobals *kg,
Ray volume_ray = *ray;
Intersection isect;
int step = 0;
while(step < VOLUME_STACK_SIZE &&
scene_intersect_volume(kg, &volume_ray, &isect))
while(step < 2 * VOLUME_STACK_SIZE &&
scene_intersect_volume(kg, &volume_ray, &isect))
{
ShaderData sd;
shader_setup_from_ray(kg, &sd, &isect, &volume_ray, 0, 0);