What is the best way to debug OpenGL?

Question

I find that a lot of the time, OpenGL will show you it failed by not drawing anything. I\'m trying to find ways to debug OpenGL programs, by inspecting the transformation ma

Answer 1

There is also the free glslDevil: http://www.vis.uni-stuttgart.de/glsldevil/

It allows you to debug glsl shaders extensively. It also shows failed OpenGL calls.

However it's missing features to inspect textures and off screen buffers.