[Bug 582] Review Request: libtxc_dxtn - S3 Texture Compression support libraries for Mesa

[RPM Fusion Bugzilla]

http://bugzilla.rpmfusion.org/show_bug.cgi?id=582


NicolasChauvet <kwizart at gmail.com> changed:

           What    |Removed                     |Added
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             Blocks|2                           |3
         AssignedTo|rpmfusion-package-          |kwizart at gmail.com
                   |review at rpmfusion.org        |




--- Comment #7 from NicolasChauvet <kwizart at gmail.com>  2009-06-16 11:09:20 ---
(In reply to comment #6)
> (In reply to comment #4)
> > wrongly coded, because most hardware support s3tc de-compress in hardware despite
> > this is disabled by default (can be enabled with driconf). This library
> > implement this feature in software as a fallback for wrongly coded application.
> 
> You're wrong. Please read
> <http://homepage.hispeed.ch/rscheidegger/dri_experimental/s3tc_index.html>
> carefully, specifically the "How to install" part.
I've read this page one year ago, and I seem to have a good memory, quoting:
"So, in principle, you might not even need the external library..."


I can expect that installing this will enable opengl functions likes
GL_S3_s3tc,  GL_EXT_texture_compression_s3tc (If it actually work). Because
thoses implementation can possibly be fully compliant to the standard. I would
like to evaluate the difference between having this library and using
force_s3tc_enable=true". At least, testing with quake3, GL_S3_s3tc remained
ignored in both cases with my radeon x600se.

So despite the page list some possibly supported hardware( where my own
hardware is not), I wonder if this code is still supported with the current
mesa version, since the top of the page says:
"Note: this page is no longer updated and the code no longer maintained."

Which app have you tested to evaluate if the library works ?


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