OpenGL Shading Language portability

Posted by Luca on Stack Overflow See other posts from Stack Overflow or by Luca
Published on 2010-04-13T16:32:09Z Indexed on 2010/04/13 16:33 UTC
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opengl

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glsl

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shaders

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backwards-compatibility

I've noticed that my GLSL shaders are not compilable when the GLSL version is lower than 130.

What are the most critical elements for having a backward compatible shader source? I don't want to have a full backward compatibility, but I'd like to understand the main guidelines for having simple shaders running on GPU with GLSL lower than 130.

Thank you

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