Function gl::BlendEquationSeparatei

pub unsafe fn BlendEquationSeparatei(buf: GLuint,
                                     modeRGB: GLenum,
                                     modeAlpha: GLenum)

Fallbacks: BlendEquationSeparateIndexedAMD, BlendEquationSeparateiARB, BlendEquationSeparateiEXT, BlendEquationSeparateiOES