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@lists.freedesktop.org ReportedBy: bobahu4@gmail.com
Using linux 3.0-rc2 kernel and mesa@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.