38.6.14.2 Overlay Blending

The blending function requires two pixels (one iterated from the previous blending stage and one from the current overlay color) and a set of blending configuration parameters. These parameters are separated according to component type: A for Alpha, or C for any color component R, G or B.

Figure 38-19. Alpha Blending Operation Block Diagram

Figure 38-20. Blending Iteration Process Block Diagram