[Bug 30232] Kingdoms of Amalur severe slow down with when NPCs are present

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=30232

--- Comment #12 from julusp at gmail.com 2012-04-03 07:59:38 CDT ---
(In reply to comment #10)
> It's probably hitting the software fallback that hack was originally supposed
> to avoid, which is stupid because the hardware can easily run these shaders.
> You should probably ask Apple to fix the drivers, one way or another.

Just to make things clear. The hack was rewriting value from
GL_MAX_PROGRAM_ENV_PARAMETERS_ARB to  value from
GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB.

so in the wine code (before hacking)
limits.arb_ps_float_constants = 128 (windows and linux reporting 256)
limits.arb_ps_native_constants = 256
limits.arb_vs_float_constants = 256
limits.arb_vs_native_constants = 256

will become:
limits.arb_ps_float_constants = 256
limits.arb_ps_native_constants = 256
limits.arb_vs_float_constants = 256
limits.arb_vs_native_constants = 256

but if thats true, then NVIDIA (9600GT M and others) was affected as well - the
limits.arb_ps_float_constants (128) was overwriten by
limits.arb_ps_native_constants (1024). For reference: 
limits.arb_ps_float_constants on win and linux was detected to 256.

also the number of mismatch of windows/linux and macos GL capabilities are...
well. insane
http://feedback.wildfiregames.com/report/opengl/device/Radeon%20HD%204850

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