diff options
Diffstat (limited to 'thirdparty/etc2comp/EtcColor.h')
-rw-r--r-- | thirdparty/etc2comp/EtcColor.h | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/thirdparty/etc2comp/EtcColor.h b/thirdparty/etc2comp/EtcColor.h deleted file mode 100644 index 7ceae05b65..0000000000 --- a/thirdparty/etc2comp/EtcColor.h +++ /dev/null @@ -1,64 +0,0 @@ -/* - * Copyright 2015 The Etc2Comp Authors. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#pragma once - -#include <math.h> - -namespace Etc -{ - - inline float LogToLinear(float a_fLog) - { - static const float ALPHA = 0.055f; - static const float ONE_PLUS_ALPHA = 1.0f + ALPHA; - - if (a_fLog <= 0.04045f) - { - return a_fLog / 12.92f; - } - else - { - return powf((a_fLog + ALPHA) / ONE_PLUS_ALPHA, 2.4f); - } - } - - inline float LinearToLog(float &a_fLinear) - { - static const float ALPHA = 0.055f; - static const float ONE_PLUS_ALPHA = 1.0f + ALPHA; - - if (a_fLinear <= 0.0031308f) - { - return 12.92f * a_fLinear; - } - else - { - return ONE_PLUS_ALPHA * powf(a_fLinear, (1.0f/2.4f)) - ALPHA; - } - } - - class ColorR8G8B8A8 - { - public: - - unsigned char ucR; - unsigned char ucG; - unsigned char ucB; - unsigned char ucA; - - }; -} |