In my last post , I introduced multi-input effects, where you can send in arbitrary WPF brushes that are interpreted as samplers in the shader. The example I did just showed simple image combination via linear combination of pixel values -- illustrative...

Thus far in this series on Effects , we've discussed building and using Effects that have a single "texture" or "sampler" as input to them. In the Beta of .NET 3.5 SP1, that's all that was available. With the RTM release, we've added the ability to provide...