| // Copyright 2017 The Fuchsia Authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style license that can be | |
| // found in the LICENSE file. | |
| #pragma once | |
| #include "lib/escher/geometry/types.h" | |
| namespace escher { | |
| // Returns a homogenized representation of the provided vector. | |
| inline vec4 homogenize(const vec4& vector) { | |
| if (vector.w == 0.f) { | |
| return vector; | |
| } | |
| return vector / vector.w; | |
| } | |
| } // namespace escher |