[Bug 22615] New: radeon-rewrite: bogus stride for small compressed mipmaps

[<bug...@fr...>]

http://bugs.freedesktop.org/show_bug.cgi?id=22615

           Summary: radeon-rewrite: bogus stride for small compressed
                    mipmaps
           Product: Mesa
           Version: unspecified
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/r200
        AssignedTo: dri...@li...
        ReportedBy: sr...@tu...


Created an attachment (id=27379)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=27379)
suggested fix

rowstride on small compressed mipmaps is wrong on r200/r100 (tested on r200). A
quick look compared to pre-radeon-rewrite code suggests to me it's actually
wrong for r300 too, but I'm not too sure about that, hence I'm not fixing this
directly someone should test it on r300 as I don't know what the stride should
really be on which chips, though I suspect it should be row_align just as for
uncompressed textures (it can easily be seen in quake3 for instance when
compressed textures are enabled some distant textures turn into random color
bits).


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