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Cycles: Fix wrong size of sobol texture

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After reformulation of SSS indirect rays it became possible to
try accessing dimension higher than was pre-calculated on scene
preparation.

This is because we're traversing rays backwards, which means we
are using higher dimensions first now.
This commit is contained in:
Sergey Sharybin 2016-07-14 11:11:23 +02:00
parent 3637cbbcf8
commit 56c9c1ab43
1 changed files with 1 additions and 1 deletions
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2
intern/cycles/render/integrator.cpp
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@ -176,7 +176,7 @@ void Integrator::device_update(Device *device, DeviceScene *dscene, Scene *scene
max_samples = max(max_samples, volume_samples);
}
max_samples *= (max_bounce + transparent_max_bounce + 3);
max_samples *= (max_bounce + transparent_max_bounce + 3 + BSSRDF_MAX_HITS);
int dimensions = PRNG_BASE_NUM + max_samples*PRNG_BOUNCE_NUM;
dimensions = min(dimensions, SOBOL_MAX_DIMENSIONS);