liuqzan的博客

WTF a good tutorial!!!!!!      http://db-in.com/blog/2011/01/all-about-opengl-es-2-x-part-13/  

Normal Matrix Normals are funny.  They're vec3's, since you don't want perspective on normals.   And they don't actually scale quite right--a 45 degree surface with a 45 degree normal, scaled by glS...

http://www.ozone3d.net

http://www.cgarena.com/freestuff/tutorials/Zdepth/zdepth.html

  http://developer.apple.com/library/ios/#documentation/3DDrawing/Conceptual/OpenGLES_ProgrammingGuide/TechniquesforWorkingwithVertexData/TechniquesforWorkingwithVertexData.html#//apple_ref/doc/uid/T...

http://www.raywenderlich.com/4404/opengl-es-2-0-for-iphone-tutorial-part-2-textures

http://www.evl.uic.edu/aej/525/

http://www.raywenderlich.com/3664/opengl-es-2-0-for-iphone-tutorial

http://www.ozone3d.net/tutorials/glsl_texturing.php

Linearity and Gamma http://www.arcsynthesis.org/gltut/Illumination/Tut12%20Monitors%20and%20Gamma.html   Color on iPhone http://www.colorwiki.com/wiki/Color_on_iPhone