Can I use GL_ARB_texture_compression with XFree|Xorg?

OpenGL
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And how can I init it ? [Need example]
Thanks.

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Depending what compression you want to use, it may be supported. You should check the OpenGL extension string to see if GL_ARB_texture_compression is available or not. S3TC is not available by default in XFree86 and Xorg as far as I know, due to patent issues. The binary-only nVidia and ATI drivers do support texture compression though.

Here is a small HOWTO from nVidia’s homepage, read it through to understand how to use texture compression. http://developer.nvidia.com/attach/6585

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