[Bug 38173] New: DXT3 and DXT5 broken on Cayman gpu

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=38173

           Summary: DXT3 and DXT5 broken on Cayman gpu
           Product: Mesa
           Version: git
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r600
        AssignedTo: dri-devel at lists.freedesktop.org
        ReportedBy: bobahu4 at gmail.com


Using linux 3.0-rc2 kernel and mesa at git-eca3e91 + ati-ddx from git

libtxc_dxtn is also installed.

Radeon 6970 using g3d driver.

Runing texcmp test from demos.

DXT1 works fine, DXT3 and DXT5 gives broken image (on both ARGB and RGB modes)

same corruptions can be seen in sauerbraten menu (image on bg - corrupted) or
in quake4, unigine tropics.

exactly same system with 6870 gpu - dxt1, dxt3, dxt5 works fine.

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