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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