glColor4d function opengl
GLAPI void GLAPIENTRY glColor4d( GLdouble red, GLdouble green, GLdouble blue, GLdouble alpha )
Implementation
void glColor4d(double red, double green, double blue, double alpha) {
  final glColor4dAsFunction = _glColor4d
      .cast<
        NativeFunction<
          Void Function(Double red, Double green, Double blue, Double alpha)
        >
      >()
      .asFunction<
        void Function(double red, double green, double blue, double alpha)
      >();
  return glColor4dAsFunction(red, green, blue, alpha);
}