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Steam expects the gyro data to come before the accelerometer data

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This commit is contained in:
Sam Lantinga
2025-11-24 18:04:11 -08:00
parent e221905195
commit 55a566a6b4
2 changed files with 24 additions and 24 deletions
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38
src/joystick/hidapi/SDL_hidapi_sinput.c
View File

@@ -735,14 +735,14 @@ static bool HIDAPI_DriverSInput_OpenJoystick(SDL_HIDAPI_Device *device, SDL_Joys
joystick->nhats = 1;
}
if (ctx->accelerometer_supported) {
SDL_PrivateJoystickAddSensor(joystick, SDL_SENSOR_ACCEL, 1000000.0f / ctx->polling_rate_us);
}
if (ctx->gyroscope_supported) {
SDL_PrivateJoystickAddSensor(joystick, SDL_SENSOR_GYRO, 1000000.0f / ctx->polling_rate_us);
}
if (ctx->accelerometer_supported) {
SDL_PrivateJoystickAddSensor(joystick, SDL_SENSOR_ACCEL, 1000000.0f / ctx->polling_rate_us);
}
if (ctx->touchpad_supported) {
// If touchpad is supported, minimum 1, max is capped
ctx->touchpad_count = SDL_clamp(ctx->touchpad_count, 1, SINPUT_MAX_ALLOWED_TOUCHPADS);
@@ -995,21 +995,6 @@ static void HIDAPI_DriverSInput_HandleStatePacket(SDL_Joystick *joystick, SDL_Dr
// Update last timestamp
ctx->last_imu_timestamp_us = imu_timestamp_us;
// Process Accelerometer
if (ctx->accelerometer_supported) {
accel = EXTRACTSINT16(data, SINPUT_REPORT_IDX_IMU_ACCEL_Y);
imu_values[2] = -(float)accel * ctx->accelScale; // Y-axis acceleration
accel = EXTRACTSINT16(data, SINPUT_REPORT_IDX_IMU_ACCEL_Z);
imu_values[1] = (float)accel * ctx->accelScale; // Z-axis acceleration
accel = EXTRACTSINT16(data, SINPUT_REPORT_IDX_IMU_ACCEL_X);
imu_values[0] = -(float)accel * ctx->accelScale; // X-axis acceleration
SDL_SendJoystickSensor(timestamp, joystick, SDL_SENSOR_ACCEL, ctx->imu_timestamp_ns, imu_values, 3);
}
// Process Gyroscope
if (ctx->gyroscope_supported) {
@@ -1024,6 +1009,21 @@ static void HIDAPI_DriverSInput_HandleStatePacket(SDL_Joystick *joystick, SDL_Dr
SDL_SendJoystickSensor(timestamp, joystick, SDL_SENSOR_GYRO, ctx->imu_timestamp_ns, imu_values, 3);
}
// Process Accelerometer
if (ctx->accelerometer_supported) {
accel = EXTRACTSINT16(data, SINPUT_REPORT_IDX_IMU_ACCEL_Y);
imu_values[2] = -(float)accel * ctx->accelScale; // Y-axis acceleration
accel = EXTRACTSINT16(data, SINPUT_REPORT_IDX_IMU_ACCEL_Z);
imu_values[1] = (float)accel * ctx->accelScale; // Z-axis acceleration
accel = EXTRACTSINT16(data, SINPUT_REPORT_IDX_IMU_ACCEL_X);
imu_values[0] = -(float)accel * ctx->accelScale; // X-axis acceleration
SDL_SendJoystickSensor(timestamp, joystick, SDL_SENSOR_ACCEL, ctx->imu_timestamp_ns, imu_values, 3);
}
}
// Check if we should process touchpad

10
src/joystick/hidapi/SDL_hidapi_switch2.c
View File

@@ -1195,8 +1195,8 @@ static void HIDAPI_DriverSwitch2_HandleStatePacket(SDL_HIDAPI_Device *device, SD
switch (ctx->device->product_id) {
case USB_PRODUCT_NINTENDO_SWITCH2_JOYCON_LEFT:
if (ctx->device->parent) {
SDL_SendJoystickSensor(timestamp, joystick, SDL_SENSOR_ACCEL_L, sensor_timestamp, accel_data, 3);
SDL_SendJoystickSensor(timestamp, joystick, SDL_SENSOR_GYRO_L, sensor_timestamp, gyro_data, 3);
SDL_SendJoystickSensor(timestamp, joystick, SDL_SENSOR_ACCEL_L, sensor_timestamp, accel_data, 3);
} else {
float tmp = -accel_data[0];
accel_data[0] = accel_data[2];
@@ -1206,14 +1206,14 @@ static void HIDAPI_DriverSwitch2_HandleStatePacket(SDL_HIDAPI_Device *device, SD
gyro_data[0] = gyro_data[2];
gyro_data[2] = tmp;
SDL_SendJoystickSensor(timestamp, joystick, SDL_SENSOR_ACCEL, sensor_timestamp, accel_data, 3);
SDL_SendJoystickSensor(timestamp, joystick, SDL_SENSOR_GYRO, sensor_timestamp, gyro_data, 3);
SDL_SendJoystickSensor(timestamp, joystick, SDL_SENSOR_ACCEL, sensor_timestamp, accel_data, 3);
}
break;
case USB_PRODUCT_NINTENDO_SWITCH2_JOYCON_RIGHT:
if (ctx->device->parent) {
SDL_SendJoystickSensor(timestamp, joystick, SDL_SENSOR_ACCEL_R, sensor_timestamp, accel_data, 3);
SDL_SendJoystickSensor(timestamp, joystick, SDL_SENSOR_GYRO_R, sensor_timestamp, gyro_data, 3);
SDL_SendJoystickSensor(timestamp, joystick, SDL_SENSOR_ACCEL_R, sensor_timestamp, accel_data, 3);
} else {
float tmp = accel_data[0];
accel_data[0] = -accel_data[2];
@@ -1223,13 +1223,13 @@ static void HIDAPI_DriverSwitch2_HandleStatePacket(SDL_HIDAPI_Device *device, SD
gyro_data[0] = -gyro_data[2];
gyro_data[2] = tmp;
SDL_SendJoystickSensor(timestamp, joystick, SDL_SENSOR_ACCEL, sensor_timestamp, accel_data, 3);
SDL_SendJoystickSensor(timestamp, joystick, SDL_SENSOR_GYRO, sensor_timestamp, gyro_data, 3);
SDL_SendJoystickSensor(timestamp, joystick, SDL_SENSOR_ACCEL, sensor_timestamp, accel_data, 3);
}
break;
default:
SDL_SendJoystickSensor(timestamp, joystick, SDL_SENSOR_ACCEL, sensor_timestamp, accel_data, 3);
SDL_SendJoystickSensor(timestamp, joystick, SDL_SENSOR_GYRO, sensor_timestamp, gyro_data, 3);
SDL_SendJoystickSensor(timestamp, joystick, SDL_SENSOR_ACCEL, sensor_timestamp, accel_data, 3);
break;
}
}