Function epaint::tessellator::fill_closed_path

fn fill_closed_path(
    feathering: f32,
    path: &mut [PathPoint],
    color: Color32,
    out: &mut Mesh,
)

Tessellate the given convex area into a polygon.

Calling this may reverse the vertices in the path if they are wrong winding order.

The preferred winding order is clockwise.