Value for bias function in [0, 1] range. Values from 0.7 to 0.9 usually give best results, default value is 0.85.

Positive value for gamma correction. Gamma value of 1.0 implies no correction, gamma equal to 2.2f is suitable for most displays.

Pointer to the unmanaged object

Positive saturation enhancement value. 1.0 preserves saturation, values greater than 1 increase saturation and values less than 1 decrease it.