[Bug 29363] [r300g] Starcraft 2: "r300 VP: Compiler error"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=29363

--- Comment #31 from Marek Olšák <maraeo at gmail.com> 2011-03-05 04:19:41 PST ---
(In reply to comment #30)
> Hm, just reading through the output of wine after running the game, I get
> exactly the same error as reported here orginally:
> 
> "r300 VP: Compiler error:
> Vertex program has too many instructions
> Using a dummy shader instead."
> 
> Also it should be noted that I did set "UseGLSL" to "disabled" in Wine's
> registry. 
> 
> As I said previously, the Game works ok, so its not a critical issue to me, but
> if performance could be increased or especially some the stuff activated that
> makes the graphics worthwhile it would be great.
> 
> I created a log with RADEON_DEBUG=vp set, you can find it here:
> http://soulrebel.in-berlin.de/pub/sc2_output_debug.xz

The error message only shows on r300-r400. There is a lot of scalar operations,
I guess it could be fixed by implementing Dual-Op (pair) instruction scheduling
for vertex shaders.

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