Last week I posted a light-weight, quick-to-integrate debug text drawing library for DirectX 10 click here to jump to that post.
Update - 22/02/2015: The source code for this project is no longer available. The blog post still remains for people who previously downloaded it.
Based on some feedback, I decided to port this to DirectX 9.
The only changes in its’ public interface are the obvious changes from using DirectX 10 types to DirectX 9 types.
Here are some examples of how to use the library: