Construct the blend mode given the factors and equation.
This constructor uses the same factors and equation for both color and alpha components. It also defaults to the Add equation.
Specifies how to compute the source factor for the color and alpha channels
Specifies how to compute the destination factor for the color and alpha channels
Specifies how to combine the source and destination colors and alpha
See Implementation
Construct the blend mode given the factors and equation.
This constructor uses the same factors and equation for both color and alpha components. It also defaults to the Add equation.