diff options
| author | Sergey Sharybin <sergey.vfx@gmail.com> | 2016-04-15 16:29:12 +0300 |
|---|---|---|
| committer | Sergey Sharybin <sergey.vfx@gmail.com> | 2016-04-15 16:30:30 +0300 |
| commit | 3165e8740b83f28569a9e405757f4c34c378df3b (patch) | |
| tree | 35cf95b439c7b7f1b63380659b9971ea4868a017 /intern/cycles/util/util_math.h | |
| parent | 177d051126b3ea4a1dec6a016ae67d7f51f233d0 (diff) | |
Fix T48139: Checker texture strange behavior in cycles
Seems particular CUDA implementations has some precision issues,
which made integer coordinate (which was expected to always be
positive) to go negative.
Diffstat (limited to 'intern/cycles/util/util_math.h')
| -rw-r--r-- | intern/cycles/util/util_math.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/intern/cycles/util/util_math.h b/intern/cycles/util/util_math.h index cdbc37fd32c..32924f9a8c2 100644 --- a/intern/cycles/util/util_math.h +++ b/intern/cycles/util/util_math.h @@ -97,6 +97,11 @@ ccl_device_inline float fminf(float a, float b) #ifndef __KERNEL_GPU__ +ccl_device_inline int abs(int x) +{ + return (x > 0)? x: -x; +} + ccl_device_inline int max(int a, int b) { return (a > b)? a: b; |