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dix: use average of pointer accel profile

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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Simon Thum 2008-07-29 10:07:43 +02:00 • committed by Peter Hutterer
commit 18e9fd69fe
3 changed files with 115 additions and 31 deletions
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4
include/ptrveloc.h
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@ -53,7 +53,7 @@ struct _DeviceVelocityRec;
*/
typedef float (*PointerAccelerationProfileFunc)
(struct _DeviceVelocityRec* /*pVel*/,
float /*threshold*/, float /*acc*/);
float /*velocity*/, float /*threshold*/, float /*acc*/);
/**
* a filter stage contains the data for adaptive IIR filtering.
@ -78,6 +78,7 @@ typedef struct _FilterStage {
typedef struct _DeviceVelocityRec {
FilterStage filters[MAX_VELOCITY_FILTERS];
float velocity; /* velocity as guessed by algorithm */
float last_velocity; /* previous velocity estimate */
int lrm_time; /* time the last motion event was processed */
int last_dx, last_dy; /* last motion delta */
int last_diff; /* last time-difference */
@ -88,6 +89,7 @@ typedef struct _DeviceVelocityRec {
short reset_time; /* config: reset non-visible state after # ms */
short use_softening; /* config: use softening of mouse values */
float coupling; /* config: max. divergence before coupling */
Bool average_accel; /* config: average acceleration over velocity */
PointerAccelerationProfileFunc Profile;
PointerAccelerationProfileFunc deviceSpecificProfile;
void* profile_private;/* extended data, see SetAccelerationProfile() */