[Mesa-dev] Mesa (master): mesa/st: ask GLSL to not emit noise since we have a dummy implementation

[Aras Pranckevicius]

>
> Yes, in fact, nothing seems to use the NOISE opcodes at all.
> Also, I can't find evidence of any hardware ever having implemented it.
> AMD IL has Perlin noise opcodes, but it looks like they are lowered to
> normal instructions since the ISA docs don't say anything about it.
>

FWIW, HLSL in theory has noise() function, but it does not work in any real
shaders (it only works in software shader kind used to fill in procedural
textures aka "tx_*" shaders).


-- 
Aras Pranckevičius
work: http://unity3d.com
home: http://aras-p.info
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