only built-in Render effects are working - SSC et. al. are not

```
all the classics like dot fountain and dot plane are working.
ssc, triangle, texer2 aren't outputting anything.

interestingly bass spin only shows one of the two triangles.

running @ 640x480 here
```

Original issue reported on code.google.com by `cgc...@gmail.com` on 19 Oct 2012 at 9:06
