Merge branch 'ptraccel-fixes' into for-keith

2 files changed, 43 insertions, 21 deletions

diff --git a/dix/getevents.c b/dix/getevents.c
index 02f5366aa..7cc8d8cb5 100644
--- a/dix/getevents.c
+++ b/dix/getevents.c
@@ -776,11 +776,33 @@ add_to_scroll_valuator(DeviceIntPtr dev, ValuatorMask *mask, int valuator, doubl
  * @param[in,out] mask Valuator data for this event, modified in-place.
  */
 static void
-moveRelative(DeviceIntPtr dev, ValuatorMask *mask)
+moveRelative(DeviceIntPtr dev, int flags, ValuatorMask *mask)
 {
     int i;
     Bool clip_xy = IsMaster(dev) || !IsFloating(dev);
 
+    /* for abs devices in relative mode, we've just scaled wrong, since we
+       mapped the device's shape into the screen shape. Undo this. */
+    if ((flags & POINTER_ABSOLUTE) == 0 && dev->valuator &&
+        dev->valuator->axes[0].min_value < dev->valuator->axes[0].max_value) {
+
+        double ratio = 1.0 * screenInfo.width/screenInfo.height;
+
+        if (ratio > 1.0) {
+            double y;
+            if (valuator_mask_fetch_double(mask, 1, &y)) {
+                y *= ratio;
+                valuator_mask_set_double(mask, 1, y);
+            }
+        } else {
+            double x;
+            if (valuator_mask_fetch_double(mask, 0, &x)) {
+                x *= ratio;
+                valuator_mask_set_double(mask, 0, x);
+            }
+        }
+    }
+
     /* calc other axes, clip, drop back into valuators */
     for (i = 0; i < valuator_mask_size(mask); i++) {
         double val = dev->last.valuators[i];
@@ -1386,7 +1408,7 @@ fill_pointer_events(InternalEvent *events, DeviceIntPtr pDev, int type,
         if ((flags & POINTER_NORAW) == 0)
             set_raw_valuators(raw, &mask, raw->valuators.data);
 
-        moveRelative(pDev, &mask);
+        moveRelative(pDev, flags, &mask);
     }
 
     /* valuators are in device coordinate system in absolute coordinates */
diff --git a/dix/ptrveloc.c b/dix/ptrveloc.c
index c7994b03d..d6fef9cf3 100644
--- a/dix/ptrveloc.c
+++ b/dix/ptrveloc.c
@@ -77,7 +77,7 @@ DeletePredictableAccelerationProperties(DeviceIntPtr,
 /*#define PTRACCEL_DEBUGGING*/
 
 #ifdef PTRACCEL_DEBUGGING
-#define DebugAccelF ErrorF
+#define DebugAccelF(...) ErrorFSigSafe("dix/ptraccel: " __VA_ARGS__)
 #else
 #define DebugAccelF(...)        /* */
 #endif
@@ -421,7 +421,7 @@ void
 InitTrackers(DeviceVelocityPtr vel, int ntracker)
 {
     if (ntracker < 1) {
-        ErrorF("(dix ptracc) invalid number of trackers\n");
+        ErrorF("invalid number of trackers\n");
         return;
     }
     free(vel->tracker);
@@ -566,7 +566,7 @@ FeedTrackers(DeviceVelocityPtr vel, double dx, double dy, int cur_t)
     vel->tracker[n].dy = 0.0;
     vel->tracker[n].time = cur_t;
     vel->tracker[n].dir = GetDirection(dx, dy);
-    DebugAccelF("(dix prtacc) motion [dx: %i dy: %i dir:%i diff: %i]\n",
+    DebugAccelF("motion [dx: %f dy: %f dir:%d diff: %d]\n",
                 dx, dy, vel->tracker[n].dir,
                 cur_t - vel->tracker[vel->cur_tracker].time);
     vel->cur_tracker = n;
@@ -614,7 +614,8 @@ QueryTrackers(DeviceVelocityPtr vel, int cur_t)
 
         /* bail out if data is too old and protect from overrun */
         if (age_ms >= vel->reset_time || age_ms < 0) {
-            DebugAccelF("(dix prtacc) query: tracker too old\n");
+            DebugAccelF("query: tracker too old (reset after %d, age is %d)\n",
+                        vel->reset_time, age_ms);
             break;
         }
 
@@ -626,7 +627,7 @@ QueryTrackers(DeviceVelocityPtr vel, int cur_t)
          */
         dir &= tracker->dir;
         if (dir == 0) {         /* we've changed octant of movement (e.g. NE → NW) */
-            DebugAccelF("(dix prtacc) query: no longer linear\n");
+            DebugAccelF("query: no longer linear\n");
             /* instead of breaking it we might also inspect the partition after,
              * but actual improvement with this is probably rare. */
             break;
@@ -647,7 +648,7 @@ QueryTrackers(DeviceVelocityPtr vel, int cur_t)
                 velocity_diff / (initial_velocity + tracker_velocity) >=
                 vel->max_rel_diff) {
                 /* we're not in range, quit - it won't get better. */
-                DebugAccelF("(dix prtacc) query: tracker too different:"
+                DebugAccelF("query: tracker too different:"
                             " old %2.2f initial %2.2f diff: %2.2f\n",
                             tracker_velocity, initial_velocity, velocity_diff);
                 break;
@@ -660,14 +661,14 @@ QueryTrackers(DeviceVelocityPtr vel, int cur_t)
         }
     }
     if (offset == vel->num_tracker) {
-        DebugAccelF("(dix prtacc) query: last tracker in effect\n");
+        DebugAccelF("query: last tracker in effect\n");
         used_offset = vel->num_tracker - 1;
     }
     if (used_offset >= 0) {
 #ifdef PTRACCEL_DEBUGGING
         MotionTracker *tracker = TRACKER(vel, used_offset);
 
-        DebugAccelF("(dix prtacc) result: offset %i [dx: %i dy: %i diff: %i]\n",
+        DebugAccelF("result: offset %i [dx: %f dy: %f diff: %i]\n",
                     used_offset, tracker->dx, tracker->dy,
                     cur_t - tracker->time);
 #endif
@@ -693,6 +694,8 @@ ProcessVelocityData2D(DeviceVelocityPtr vel, double dx, double dy, int time)
 
     velocity = QueryTrackers(vel, time);
 
+    DebugAccelF("velocity is %f\n", velocity);
+
     vel->velocity = velocity;
     return velocity == 0;
 }
@@ -768,7 +771,7 @@ ComputeAcceleration(DeviceIntPtr dev,
     double result;
 
     if (vel->velocity <= 0) {
-        DebugAccelF("(dix ptracc) profile skipped\n");
+        DebugAccelF("profile skipped\n");
         /*
          * If we have no idea about device velocity, don't pretend it.
          */
@@ -792,14 +795,14 @@ ComputeAcceleration(DeviceIntPtr dev,
                                             threshold,
                                             acc);
         result /= 6.0f;
-        DebugAccelF("(dix ptracc) profile average [%.2f ... %.2f] is %.3f\n",
+        DebugAccelF("profile average [%.2f ... %.2f] is %.3f\n",
                     vel->velocity, vel->last_velocity, result);
     }
     else {
         result = BasicComputeAcceleration(dev, vel,
                                           vel->velocity, threshold, acc);
-        DebugAccelF("(dix ptracc) profile sample [%.2f] is %.3f\n",
-                    vel->velocity, res);
+        DebugAccelF("profile sample [%.2f] is %.3f\n",
+                    vel->velocity, result);
     }
 
     return result;
@@ -1050,11 +1053,8 @@ SetDeviceSpecificAccelerationProfile(DeviceVelocityPtr vel,
 DeviceVelocityPtr
 GetDevicePredictableAccelData(DeviceIntPtr dev)
 {
-    /*sanity check */
-    if (!dev) {
-        ErrorF("[dix] accel: DeviceIntPtr was NULL");
-        return NULL;
-    }
+    BUG_RETURN_VAL(!dev, NULL);
+
     if (dev->valuator &&
         dev->valuator->accelScheme.AccelSchemeProc ==
         acceleratePointerPredictable &&
@@ -1113,6 +1113,7 @@ acceleratePointerPredictable(DeviceIntPtr dev, ValuatorMask *val, CARD32 evtime)
                                        (double) dev->ptrfeed->ctrl.num /
                                        (double) dev->ptrfeed->ctrl.den);
 
+            DebugAccelF("mult is %f\n", mult);
             if (mult != 1.0f || velocitydata->const_acceleration != 1.0f) {
                 if (mult > 1.0f && soften)
                     ApplySoftening(velocitydata, &dx, &dy);
@@ -1122,8 +1123,7 @@ acceleratePointerPredictable(DeviceIntPtr dev, ValuatorMask *val, CARD32 evtime)
                     valuator_mask_set_double(val, 0, mult * dx);
                 if (dy != 0.0)
                     valuator_mask_set_double(val, 1, mult * dy);
-                DebugAccelF("pos (%i | %i) delta x:%.3f y:%.3f\n", mult * dx,
-                            mult * dy);
+                DebugAccelF("delta x:%.3f y:%.3f\n", mult * dx, mult * dy);
             }
         }
     }