| // Copyright 2017 The Chromium Authors | |
| // Use of this source code is governed by a BSD-style license that can be | |
| // found in the LICENSE file. | |
| #include <cstring> | |
| #include "ui/gfx/half_float.h" | |
| namespace gfx { | |
| void FloatToHalfFloat(const float* input, HalfFloat* output, size_t num) { | |
| for (size_t i = 0; i < num; i++) { | |
| float tmp = input[i] * 1.9259299444e-34f; | |
| uint32_t tmp2; | |
| std::memcpy(&tmp2, &tmp, 4); | |
| tmp2 += (1 << 12); | |
| output[i] = (tmp2 & 0x80000000UL) >> 16 | (tmp2 >> 13); | |
| } | |
| } | |
| } // namespace gfx |