internal abstract void glGet(GLGetMode pname, int *param);
internal abstract void glGet(GLGetMode pname, double *param);
public static extern void glGetIntegerv(GLGetMode pname, int *param);
public static extern void glGetFloatv(GLGetMode pname, float *param);
public static extern void glGetDoublev(GLGetMode pname, double *param);
public static extern void glGetBooleanv(GLGetMode pname, bool *param);