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Code cleanup: remove SOBOL_SKIP hack, seems no longer needed.

This commit is contained in:
Brecht Van Lommel 2017-09-19 00:38:22 +02:00
parent d750d182e5
commit d029399e6b
1 changed files with 1 additions and 7 deletions
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8
intern/cycles/kernel/kernel_random.h
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@ -30,12 +30,6 @@ CCL_NAMESPACE_BEGIN
#ifdef __SOBOL__
/* Skip initial numbers that are not as well distributed, especially the
* first sequence is just 0 everywhere, which can be problematic for e.g.
* path termination.
*/
#define SOBOL_SKIP 64
ccl_device uint sobol_dimension(KernelGlobals *kg, int index, int dimension)
{
uint result = 0;
@ -73,7 +67,7 @@ ccl_device_forceinline float path_rng_1D(KernelGlobals *kg,
#ifdef __SOBOL__
/* Sobol sequence value using direction vectors. */
uint result = sobol_dimension(kg, sample + SOBOL_SKIP, dimension);
uint result = sobol_dimension(kg, sample, dimension);
float r = (float)result * (1.0f/(float)0xFFFFFFFF);
/* Cranly-Patterson rotation using rng seed */