* Allow clamping to a GL version or a number of extensions.
+* Match the traced visuals (which will imply abandoning GLUT)
+
* Trace multiple threads
* GetCurrentThreadId()
* pthread_self()
* Trace window sizes somehow
-* Write snapshots as PNGs instead of BMPs
-
-* Add new mode to compare with previous snapshots instead of writing.
-
* Plug memory leaks.