Turns out small modification of single texture pixel shader was all required to get alpha channel working in textures.
I retagged jump_and_click, q3demo is now definitely playable, albeit
burn marks are screwed up for some reason - possibly because we do not handle Polygon.OffsetFill ?
That would do it. You are probably seeing some wierd diagonal stripy patterns in the burn marks, or maybe they vanish altogether sometimes?
If so, that's polygon offset.
Also, there is some sort of weird bug where textures with alpha are checkered - there are rectangles missing in a checkered pattern, which is most visible on large letters.
Can't help you with that one.
Keith
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