[cairo] Making Cairo friendlier for embedded use

Leon Woestenberg leonw at mailcan.com
Thu Mar 30 12:25:08 PST 2006


Ben,'

Ben Roe wrote:
>> I was wondering if anyone has been considering the long-term impact of
>> the floating point intensive Cairo on embedded products wishing to
>> make use of Gtk+?
>>     
>
> IIRC from when I tested Cairo on ARM a while back, the performance
> increase from replacing the trigonometric functions with fixed-point
> table-lookup versions (borrowed from Allegro) was quite large: 20-50%,
> depending on the usage. Every stroke calls sin() and cos() once, and
>   
Do you have a patch for that?

Regards,

Leon.


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