[Bug 89156] r300g: GL_COMPRESSED_RED_RGTC1 / ATI1N support broken

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89156

            Bug ID: 89156
           Summary: r300g: GL_COMPRESSED_RED_RGTC1 / ATI1N support broken
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r300
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: stefandoesinger at gmx.at
        QA Contact: dri-devel at lists.freedesktop.org

r300g on r500 chips advertises GL_ARB_texture_compression_rgtc, but the
red-only format GL_COMPRESSED_RED_RGTC1 (aka ATI1N in ATI / d3d9 speak) is
broken. This breaks the d3d8 and d3d9 visual tests in Wine. It can also be seen
by running the rgtc-teximage-01 test in piglit.

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