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| author | Brecht Van Lommel <brechtvanlommel@gmail.com> | 2017-09-27 01:39:53 +0300 |
|---|---|---|
| committer | Brecht Van Lommel <brechtvanlommel@gmail.com> | 2017-10-04 22:11:14 +0300 |
| commit | e3e16cecc4f080edbbd14e4bf1cfc580c5957d62 (patch) | |
| tree | 5b9da903526442acb10b48d2ccee5686a00a1017 /intern/cycles/kernel/kernel_random.h | |
| parent | 5b7d6ea54b2fc35b8b12c667f5bf9a1c9c46d5c2 (diff) | |
Code refactor: remove rng_state buffer and compute hash on the fly.
A little faster on some benchmark scenes, a little slower on others, seems
about performance neutral on average and saves a little memory.
Diffstat (limited to 'intern/cycles/kernel/kernel_random.h')
| -rw-r--r-- | intern/cycles/kernel/kernel_random.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/intern/cycles/kernel/kernel_random.h b/intern/cycles/kernel/kernel_random.h index 11798d87cb5..e7a6134b8eb 100644 --- a/intern/cycles/kernel/kernel_random.h +++ b/intern/cycles/kernel/kernel_random.h @@ -15,6 +15,7 @@ */ #include "kernel/kernel_jitter.h" +#include "util/util_hash.h" CCL_NAMESPACE_BEGIN @@ -115,14 +116,13 @@ ccl_device_forceinline void path_rng_2D(KernelGlobals *kg, } ccl_device_inline void path_rng_init(KernelGlobals *kg, - ccl_global uint *rng_state, int sample, int num_samples, uint *rng_hash, int x, int y, float *fx, float *fy) { /* load state */ - *rng_hash = *rng_state; + *rng_hash = hash_int_2d(x, y); *rng_hash ^= kernel_data.integrator.seed; #ifdef __DEBUG_CORRELATION__ |