[Bug 51000] [r300g, bisected] piglit fbo-generatemipmap-formats fails

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https://bugs.freedesktop.org/show_bug.cgi?id=51000

Kenneth Graunke <kenneth@xxxxxxxxxxxxx> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|dri-devel@lists.freedesktop |eric@xxxxxxxxxx
                   |.org                        |
          QAContact|                            |eric@xxxxxxxxxx
            Product|Mesa                        |piglit
            Version|git                         |unspecified
          Component|Drivers/Gallium/r300        |tests

--- Comment #1 from Kenneth Graunke <kenneth@xxxxxxxxxxxxx> 2012-06-12 08:09:02 PDT ---
Hmm.  That patch shouldn't have changed the result at all---and it does look
fairly close---so I think your hardware just has somewhat lower precision than
mine.  The Piglit test uses GL_RED_SIZE etc. to determine the
tolerances/precision expected, so with the increase from 4 to 8, the test
became more stringent.

Normally this would make sense, but since GL_RED_SIZE and friends are
/approximate/ precision for a compressed format---and in this case, the
/maximum/ precision---I think we may need to lower the test's tolerances.

Changing this to a Piglit bug.

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