glBlendEquationSeparate Interface to
OpenGL function glBlendEquationSeparate
usage: glBlendEquationSeparate( modeRGB, modeAlpha )
C function: void glBlendEquationSeparate(GLenum modeRGB, GLenum modeAlpha)
Psychtoolbox/PsychOpenGL/MOGL/wrap/glBlendEquationSeparate.m