On 24 Dec 2011, at 08:32, Mathias Fröhlich wrote:
> Thie required extensions are in the effect files. Whatever changes are done
> with
> the shaders, the effect files *must* contain the minimum condition under
> which
> gl version/extensions this shader is valid.
> This is complex, but the only way to make that run portable.
According to this, there should be no extension required:
http://lists.apple.com/archives/mac-opengl/2007/Oct/msg00108.html
And 'glxinfo' reports:
OpenGL vendor string: ATI Technologies Inc.
OpenGL renderer string: ATI Radeon HD 5770 OpenGL Engine
OpenGL version string: 2.1 ATI-7.12.9
OpenGL shading language version string: 1.20
(and no 3D texturing extension token)
Do we have a minimum OpenGL version requirement? 1.3 vs 1.4 vs 2.0?
Hmmm.
James
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