summaryrefslogtreecommitdiff
path: root/thirdparty/etc2comp/EtcColor.h
diff options
context:
space:
mode:
Diffstat (limited to 'thirdparty/etc2comp/EtcColor.h')
-rw-r--r--thirdparty/etc2comp/EtcColor.h64
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;
-
- };
-}