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Diffstat (limited to 'intern/cycles/util/util_math.h')
| -rw-r--r-- | intern/cycles/util/util_math.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/intern/cycles/util/util_math.h b/intern/cycles/util/util_math.h index fd3199f209f..85cbd18b7ba 100644 --- a/intern/cycles/util/util_math.h +++ b/intern/cycles/util/util_math.h @@ -266,6 +266,11 @@ ccl_device_inline int floor_to_int(float f) return float_to_int(floorf(f)); } +ccl_device_inline int quick_floor_to_int(float x) +{ + return float_to_int(x) - ((x < 0) ? 1 : 0); +} + ccl_device_inline int ceil_to_int(float f) { return float_to_int(ceilf(f)); @@ -550,6 +555,11 @@ ccl_device_inline float xor_signmask(float x, int y) return __int_as_float(__float_as_int(x) ^ y); } +ccl_device float bits_to_01(uint bits) +{ + return bits * (1.0f/(float)0xFFFFFFFF); +} + /* projections */ ccl_device_inline float2 map_to_tube(const float3 co) { |