Hi Clement, I have been looking GLSL for what might help us determine when to use float vs ints. The follow info might be useful:
https://github.com/mattdesl/lwjgl-basics/wiki/GLSL-Versions Perhaps we should just add a #version 130 (OpenGL Version >= 3.0) to the top of the fragment shaders to make sure they support ints. This may mean that the Intel driver fails though. What Intel hardware, drivers and OpenGL version support by the drivers do you have on your system? Robert.
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