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Fixed reading the controller accelerometer on Apple platforms

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DualShock and DualSense controllers no longer have hasGravityAndUserAcceleration set, but we can still get the combined user + gravity acceleration values from those controllers, which is what we want.
This commit is contained in:
Sam Lantinga 2026-05-17 17:56:33 -07:00
parent d8b2434047
commit 14c31ee12a
1 changed files with 11 additions and 16 deletions
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27
src/joystick/apple/SDL_mfijoystick.m
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@ -946,8 +946,6 @@ static bool IOS_JoystickOpen(SDL_Joystick *joystick, int device_index)
GCMotion *motion = controller.motion;
if (motion && motion.hasRotationRate) {
SDL_PrivateJoystickAddSensor(joystick, SDL_SENSOR_GYRO, 0.0f);
}
if (motion && motion.hasGravityAndUserAcceleration) {
SDL_PrivateJoystickAddSensor(joystick, SDL_SENSOR_ACCEL, 0.0f);
}
}
@ -1198,20 +1196,17 @@ static void IOS_MFIJoystickUpdate(SDL_Joystick *joystick)
if (motion && motion.sensorsActive) {
float data[3];
if (motion.hasRotationRate) {
GCRotationRate rate = motion.rotationRate;
data[0] = rate.x;
data[1] = rate.z;
data[2] = -rate.y;
SDL_SendJoystickSensor(timestamp, joystick, SDL_SENSOR_GYRO, timestamp, data, 3);
}
if (motion.hasGravityAndUserAcceleration) {
GCAcceleration accel = motion.acceleration;
data[0] = -accel.x * SDL_STANDARD_GRAVITY;
data[1] = -accel.y * SDL_STANDARD_GRAVITY;
data[2] = -accel.z * SDL_STANDARD_GRAVITY;
SDL_SendJoystickSensor(timestamp, joystick, SDL_SENSOR_ACCEL, timestamp, data, 3);
}
GCRotationRate rate = motion.rotationRate;
data[0] = rate.x;
data[1] = rate.z;
data[2] = -rate.y;
SDL_SendJoystickSensor(timestamp, joystick, SDL_SENSOR_GYRO, timestamp, data, 3);
GCAcceleration accel = motion.acceleration;
data[0] = -accel.x * SDL_STANDARD_GRAVITY;
data[1] = -accel.y * SDL_STANDARD_GRAVITY;
data[2] = -accel.z * SDL_STANDARD_GRAVITY;
SDL_SendJoystickSensor(timestamp, joystick, SDL_SENSOR_ACCEL, timestamp, data, 3);
}
}