[GLES2] More fixes to double-sided lighting generated shaders.
[GLES2] More fixes to double-sided lighting generated shaders.
ptitSeb/gl4es,ptitSeb/gl4es,ptitSeb/gl4es,ptitSeb/glshim,ptitSeb/glshim,ptitSeb/gl4es,ptitSeb/glshim,ptitSeb/glshim