diff options
| -rw-r--r-- | ports/geckolib/glue.rs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/ports/geckolib/glue.rs b/ports/geckolib/glue.rs index eca3ba79d68..684a1992c8b 100644 --- a/ports/geckolib/glue.rs +++ b/ports/geckolib/glue.rs @@ -386,7 +386,9 @@ pub extern "C" fn Servo_AnimationValues_ComputeDistance(from: RawServoAnimationV -> f64 { let from_value = AnimationValue::as_arc(&from); let to_value = AnimationValue::as_arc(&to); - from_value.compute_squared_distance(to_value).map(|d| d.sqrt()).unwrap_or(0.0) + // If compute_squared_distance() failed, this function will return negative value + // in order to check whether we support the specified paced animation values. + from_value.compute_squared_distance(to_value).map(|d| d.sqrt()).unwrap_or(-1.0) } #[no_mangle] |