diff options
Diffstat (limited to 'source/blender/blenkernel/intern/spline_nurbs.cc')
| -rw-r--r-- | source/blender/blenkernel/intern/spline_nurbs.cc | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/spline_nurbs.cc b/source/blender/blenkernel/intern/spline_nurbs.cc index 4181e8c6df6..f81dec2d8f3 100644 --- a/source/blender/blenkernel/intern/spline_nurbs.cc +++ b/source/blender/blenkernel/intern/spline_nurbs.cc @@ -301,6 +301,7 @@ static void calculate_basis_for_point(const float parameter, } } + /* Shrink the range of calculated values to avoid storing unecessary zeros. */ while (basis_buffer[start] == 0.0f && start < end) { start++; } @@ -334,6 +335,8 @@ void NURBSpline::calculate_basis_cache() const MutableSpan<BasisCache> basis_cache = this->weight_cache_; + /* This buffer is reused by each basis calculation to store temporary values. + * Theoretically it could likely be optimized away in the future. */ Array<float> basis_buffer(this->knots_size()); const float start = knots[order - 1]; |