b.com/integeruser/jgltut for info, updates and license terms.
Part IV. Texturing Chapter 16. Gamma and Textures http://www.arcsynthesis.org/gltut/Texturing/Tutorial%2016.html
1 - switch the top texture between lRGB and sRGB. 2 - switch the bottom texture between lRGB and sRGB.
@author integeruser