http://msdn2.microsoft.com/en-us/library/bb509706.aspx

Quote:

nointerpolationDo not interpolate the outputs of a vertex shader before passing them to a pixel shader.



i think you put "nointerpolation" before your output texture coordinate in your vertex shader. i don't know though, i just happened to come across this today on msdn.

hope this helps!

julz

Formerly known as JulzMighty.
I made KarBOOM!