// Copyright 2009-2021 Intel Corporation // SPDX-License-Identifier: Apache-2.0 #include "bezier_curve.h" namespace embree { PrecomputedBezierBasis::PrecomputedBezierBasis(int dj) { for (size_t i=1; i<=N; i++) { for (size_t j=0; j<=N; j++) { const float u = float(j+dj)/float(i); const Vec4f f = BezierBasis::eval(u); c0[i][j] = f.x; c1[i][j] = f.y; c2[i][j] = f.z; c3[i][j] = f.w; const Vec4f d = BezierBasis::derivative(u); d0[i][j] = d.x; d1[i][j] = d.y; d2[i][j] = d.z; d3[i][j] = d.w; } } } PrecomputedBezierBasis bezier_basis0(0); PrecomputedBezierBasis bezier_basis1(1); }