May 29, 2009

Math Behind Photoshop Blending

If you are a graphics programmer in the game industry, you will always have your beloved artists say something like this: "Hey, I want this Photoshop blaa-blaa-blending in our game!"

Then you will go to this link as I did for the overlay blend mode:

Update: Found another article on ziggyware here:

Update: the only link that's still alive:


  1. Check out my photoshop math shader with all accurate blending modes, levels control, contrast and more:

  2. That is awesome. You even give out both HLSL and GLSL files? You are a very generous man =)