[PATCH dix] dix: Added a "flat" acceleration profile that provides a linear pointer response.

[Tiago Vignatti]

On 04/05/2011 03:41 PM, ext Daniel Stone wrote:
> Hi,
>
> On Tue, Apr 05, 2011 at 02:07:33PM +0200, Simon Thum wrote:
>> Well, it's an RFC by Peter at the moment, AFAIK not much to read. I'll
>> add a bit to my idea FYC. The concept would probably use pixman and
>> list.h-lists and look something like:
>
> So, at the risk of sounding like a bit of an arse here ... what's the
> planned usecase?
>
> I ask mainly because we already have a very extensively-engineered
> pointer acceleration architecture, where 90% of the code could probably
> be removed without more than seven people noticing.  I'm kind of wary of
> adding another possibly-overengineered transformation architecture where
> the only current feasibly-demonstrated usecase (TTBOMK) is rotation.
>
> Of course, if we could demonstrate a real need for this, then great.
> But I'm kind of nervous about making the input path more complex still,
> just because we can.

agreed.

and bonus points if we could disable/enable the acceleration 
architecture in compilation time also.

         Tiago