[PATCH 18/20] dix: split softening and constant deceleration into two functions
Simon Thum
simon.thum at gmx.de
Wed Apr 20 16:58:24 PDT 2011
On 04/20/2011 08:28 AM, Peter Hutterer wrote:
> Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>
> ---
> dix/ptrveloc.c | 15 ++++++++++-----
> 1 files changed, 10 insertions(+), 5 deletions(-)
>
> diff --git a/dix/ptrveloc.c b/dix/ptrveloc.c
> index 8320834..f4fcd39 100644
> --- a/dix/ptrveloc.c
> +++ b/dix/ptrveloc.c
> @@ -713,7 +713,7 @@ ApplySimpleSoftening(int prev_delta, int delta)
>
>
> static void
> -ApplySofteningAndConstantDeceleration(
> +ApplySoftening(
> DeviceVelocityPtr vel,
> int dx,
> int dy,
> @@ -728,7 +728,11 @@ ApplySofteningAndConstantDeceleration(
> *fdx = dx;
> *fdy = dy;
> }
> +}
>
> +static void
> +ApplyConstantDeceleration(DeviceVelocityPtr vel, float *fdx, float *fdy)
> +{
> *fdx *= vel->const_acceleration;
> *fdy *= vel->const_acceleration;
> }
> @@ -1153,10 +1157,11 @@ acceleratePointerPredictable(
> (float)dev->ptrfeed->ctrl.den);
>
> if(mult != 1.0f || velocitydata->const_acceleration != 1.0f) {
> - ApplySofteningAndConstantDeceleration(velocitydata,
> - dx, dy,
> - &fdx, &fdy,
> - (mult > 1.0f) && soften);
> + ApplySoftening(velocitydata,
> + dx, dy,
> + &fdx, &fdy,
> + (mult > 1.0f) && soften);
> + ApplyConstantDeceleration(velocitydata, &fdx, &fdy);
>
> /* Calculate the new delta (with accel) and drop it back
> * into the valuator masks */
Reviewed-by: Simon Thum <simon.thum at gmx.de>
for the rest of the series [16-18] as well.
Cheers,
Simon
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