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Fire Lancer

OpenGL OpenGL Debugging

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To debug rendering issues with Direct3D, ive always used PIX as it allowed me to see all the Direct3D calls made during a frame (including any parameters passed to them), as well as the contents of various D3D objects (e.g. vertex buffers, textures, etc), and detailed info on each draw call (e.g. what effect the vertex shader had on the draw calls vertices). Is there any tools for OpenGL that can do the same sort of things?

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Yes, there is, it's called GLIntercept: http://glintercept.nutty.org/
Download it, copy the DLL and the config file to the same directory as your exe, and it will make a log.

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The latest version of GLIntercept is from 2005. It is rather obsolete when it comes to modern OpenGL features, and looks a bit ridiculous compared to a powerful tool like Pix.

gDebugger is a far better choice here, although it is not free.

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Another usefull and free program is glslDevil. It seems to work better on Nvidia hardware, but you can get the one or other usefull information out of it even on AMD cards.

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