To-mos@Posted: Wed Oct 10, 2012 5:26 am : <div class="postbody">Hello I have been trying to get a HUD that supports refractions with vertex and fragment programs but it seems that when refractions overlay with other refractions they go black does this have somthing to do with doom 3 not being able to render multiple layers with vertex programs on them?<br /><br /><img src="https://web.archive.org/web/20121012052818im_/http://i.imgur.com/XE6Wd.png" alt="Image" /></div><br><hr><br/>jmarshall23@Posted: Wed Oct 10, 2012 3:47 pm : <div class="postbody">How are you doing your refractions?</div><br><hr><br/>