Thanks!

Hmm yeah I went through all the specifications again and all the annoucenments and I saw that texture buffer objects are considered as an extension only. Which is a major bummer since that...

I noticed the GLSL1.30 specification does not mention certain things that are mentioned in GL_ext_gpu_shader4 extension. I thought they should be identical.

In particular I checked the...

Thanks Korval that clarifies some bits!

So where is GL_ext_gpu_shader4 isn't that required for GLSL1.3 /GL3.0? What's the deal here I thought 8.9 has the full OpenGL3.0 chezbang