From 2df65f4e2579f0c39bd5a7624b426ab8d117f96d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Branimir=20Karad=C5=BEi=C4=87?= <branimirkaradzic@gmail.com>
Date: Sun, 10 Jan 2016 21:18:46 -0800
Subject: [PATCH] Cleanup.

---
 src/image.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/image.cpp b/src/image.cpp
index 8f988e8e..fad8f076 100644
--- a/src/image.cpp
+++ b/src/image.cpp
@@ -1118,6 +1118,8 @@ namespace bgfx
 	template<int32_t MantissaBits, int32_t ExpBits>
 	void encodeRgbE(float* _dst, const float* _src)
 	{
+		// Reference:
+		// https://www.opengl.org/registry/specs/EXT/texture_shared_exponent.txt
 		const int32_t expMax  = (1<<ExpBits) - 1;
 		const int32_t expBias = (1<<(ExpBits - 1) ) - 1;
 		const float   sharedExpMax = float( (1 << MantissaBits) - 1) / (1 << MantissaBits) * (1 << (expMax-expBias));