glCombinerOutputNV

var glCombinerOutputNV: procedure(

  stage: GLenum;

  portion: GLenum;

  abOutput: GLenum;

  cdOutput: GLenum;

  sumOutput: GLenum;

  scale: GLenum;

  bias: GLenum;

  abDotProduct: GLboolean;

  cdDotProduct: GLboolean;

  muxSum: GLboolean

);