| // 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. |
| |
| #ifndef SRC_UI_LIB_ESCHER_UTIL_TYPE_UTILS_H_ |
| #define SRC_UI_LIB_ESCHER_UTIL_TYPE_UTILS_H_ |
| |
| #include "src/ui/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 |
| #endif // SRC_UI_LIB_ESCHER_UTIL_TYPE_UTILS_H_ |
