diff options
Diffstat (limited to 'thirdparty/embree/kernels/subdiv/linear_bezier_patch.h')
| -rw-r--r-- | thirdparty/embree/kernels/subdiv/linear_bezier_patch.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/thirdparty/embree/kernels/subdiv/linear_bezier_patch.h b/thirdparty/embree/kernels/subdiv/linear_bezier_patch.h index f8e8a25f35..dcdb101d7c 100644 --- a/thirdparty/embree/kernels/subdiv/linear_bezier_patch.h +++ b/thirdparty/embree/kernels/subdiv/linear_bezier_patch.h @@ -81,29 +81,29 @@ namespace embree { SourceCurve<Vec3ff> vcurve = center; SourceCurve<Vec3fa> ncurve = normal; - + /* here we construct a patch which follows the curve l(t) = * p(t) +/- r(t)*normalize(cross(n(t),dp(t))) */ const Vec3ff p0 = vcurve.eval(0.0f); const Vec3ff dp0 = vcurve.eval_du(0.0f); - const Vec3ff ddp0 = vcurve.eval_dudu(0.0f); + //const Vec3ff ddp0 = vcurve.eval_dudu(0.0f); // ddp0 is assumed to be 0 const Vec3fa n0 = ncurve.eval(0.0f); const Vec3fa dn0 = ncurve.eval_du(0.0f); const Vec3ff p1 = vcurve.eval(1.0f); const Vec3ff dp1 = vcurve.eval_du(1.0f); - const Vec3ff ddp1 = vcurve.eval_dudu(1.0f); + //const Vec3ff ddp1 = vcurve.eval_dudu(1.0f); // ddp1 is assumed to be 0 const Vec3fa n1 = ncurve.eval(1.0f); const Vec3fa dn1 = ncurve.eval_du(1.0f); const Vec3fa bt0 = cross(n0,dp0); - const Vec3fa dbt0 = cross(dn0,dp0) + cross(n0,ddp0); + const Vec3fa dbt0 = cross(dn0,dp0);// + cross(n0,ddp0); const Vec3fa bt1 = cross(n1,dp1); - const Vec3fa dbt1 = cross(dn1,dp1) + cross(n1,ddp1); + const Vec3fa dbt1 = cross(dn1,dp1);// + cross(n1,ddp1); const Vec3fa k0 = normalize(bt0); const Vec3fa dk0 = dnormalize(bt0,dbt0); |