[Bug 52957] [r200] piglit glean/vp1-LIT test 2 (degenerate case: 0 ^ 0 -> 1) test fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=52957

Roland Scheidegger <sroland at vmware.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |WONTFIX

--- Comment #1 from Roland Scheidegger <sroland at vmware.com> 2012-07-30 14:19:43 UTC ---
This is due to differences in LIT opcode between DX and OGL. AFAIK the chip can
only do the DX version (there's no documentation for this part of the chip, but
r300 could only do this too). Hence to make this opcode work correctly,
complicated workarounds might be needed - given the chip limits (program length
etc.) these might do more wrong than good. So unless you find some real app
where this is a problem noone will bother - not that many programs can use
vertex programs on r200 anyway since often new render paths also would require
fragment program.

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