It matches the behavior of IMB_rectfill_area() with opaque alpha now. This is important as the function is used in baking, where the neutral 0.5 is expected to be mapped to 128.
It matches the behavior of IMB_rectfill_area() with opaque alpha now. This is important as the function is used in baking, where the neutral 0.5 is expected to be mapped to 128.