diff options
Diffstat (limited to 'intern/cycles/kernel/geom/geom_curve_intersect.h')
| -rw-r--r-- | intern/cycles/kernel/geom/geom_curve_intersect.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/intern/cycles/kernel/geom/geom_curve_intersect.h b/intern/cycles/kernel/geom/geom_curve_intersect.h index 40b2059194b..e25bf5b4660 100644 --- a/intern/cycles/kernel/geom/geom_curve_intersect.h +++ b/intern/cycles/kernel/geom/geom_curve_intersect.h @@ -237,7 +237,7 @@ ccl_device bool curve_intersect_iterative(const float3 ray_dir, return false; /* Rejects NaNs */ } - /* Backface culling. */ + /* Back-face culling. */ const float3 R = normalize(Q - P); const float3 U = dradiusdu * R + dPdu; const float3 V = cross(dPdu, R); @@ -458,10 +458,12 @@ ccl_device_inline bool cylinder_culling_test(const float2 p1, const float2 p2, c return num * num <= r * r * den2; } -/*! Intersects a ray with a quad with backface culling - * enabled. The quad v0,v1,v2,v3 is split into two triangles - * v0,v1,v3 and v2,v3,v1. The edge v1,v2 decides which of the two - * triangles gets intersected. */ +/** + * Intersects a ray with a quad with back-face culling + * enabled. The quad v0,v1,v2,v3 is split into two triangles + * v0,v1,v3 and v2,v3,v1. The edge v1,v2 decides which of the two + * triangles gets intersected. + */ ccl_device_inline bool ribbon_intersect_quad(const float ray_tfar, const float3 quad_v0, const float3 quad_v1, |