[Mesa-dev] r300 compiler: presubract branch

[Marek Olšák]

Broken tests:
- glean/texCombine
- glean/texCombine4

Best regards.

-Marek

On Tue, Jul 20, 2010 at 8:36 AM, Tom Stellard <tstellar at gmail.com> wrote:

> Hi,
>
> I've just pushed a branch called presub to my git repo:
> http://cgit.freedesktop.org/~tstellar/mesa/<http://cgit.freedesktop.org/%7Etstellar/mesa/>This branch contains support
> for presubtract operations in the r300 compiler.  The only operation
> that is currently being used is (1 - src0), but I'll be adding the other
> ones later.  This is only enabled for r500 cards at the moment.
>
> In order to support presubtract operations, I had to make some pretty
> significant modifications to the radeon_pair_* compiler passes, the
> peephole optimizer and also the dataflow helper functions.  If anyone is
> interested, comments and some additional testing would be helpful.
>
> Thanks.
>
> -Tom
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