A material pass in a forward rendered pipeline refers to using the material textures to apply lighting and color to an object. This is the step where we draw part or all of the colors on objects to the scene texture. With forward rendering, this usually means including all of the lighting effects during this pass
I'm pretty sure Alice left mostly because Humpty did not say anything else so there was no reason to stay there. Plus he did not respond when Alice told he Good-bye.
