diff options
Diffstat (limited to 'intern/cycles/util/transform.h')
| -rw-r--r-- | intern/cycles/util/transform.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/intern/cycles/util/transform.h b/intern/cycles/util/transform.h index 1d78dfd1385..80cd37d35e2 100644 --- a/intern/cycles/util/transform.h +++ b/intern/cycles/util/transform.h @@ -366,10 +366,10 @@ ccl_device_inline Transform transform_empty() ccl_device_inline float4 quat_interpolate(float4 q1, float4 q2, float t) { - /* Optix is using lerp to interpolate motion transformations. */ -#ifdef __KERNEL_OPTIX__ + /* Optix and MetalRT are using lerp to interpolate motion transformations. */ +#if defined(__KERNEL_GPU_RAYTRACING__) return normalize((1.0f - t) * q1 + t * q2); -#else /* __KERNEL_OPTIX__ */ +#else /* defined(__KERNEL_GPU_RAYTRACING__) */ /* note: this does not ensure rotation around shortest angle, q1 and q2 * are assumed to be matched already in transform_motion_decompose */ float costheta = dot(q1, q2); @@ -387,7 +387,7 @@ ccl_device_inline float4 quat_interpolate(float4 q1, float4 q2, float t) float thetap = theta * t; return q1 * cosf(thetap) + qperp * sinf(thetap); } -#endif /* __KERNEL_OPTIX__ */ +#endif /* defined(__KERNEL_GPU_RAYTRACING__) */ } ccl_device_inline Transform transform_quick_inverse(Transform M) |