From 1ee158cd31a381c2c80799b94cc63d7157eb4713 Mon Sep 17 00:00:00 2001
From: Sanjay Govind <[EMAIL REDACTED]>
Date: Tue, 3 Mar 2026 06:45:44 +1300
Subject: [PATCH] fix off by one with tilt on ps3 guitars (#15144)
(cherry picked from commit 34378609bb68bf6e653afe8b0a1550b6ef339419)
---
src/joystick/hidapi/SDL_hidapi_ps3.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/src/joystick/hidapi/SDL_hidapi_ps3.c b/src/joystick/hidapi/SDL_hidapi_ps3.c
index 158f90da4c498..79575be2860af 100644
--- a/src/joystick/hidapi/SDL_hidapi_ps3.c
+++ b/src/joystick/hidapi/SDL_hidapi_ps3.c
@@ -347,6 +347,11 @@ static float HIDAPI_DriverPS3_ScaleAccel(Sint16 value)
return ((float)(value - 511) / 113.0f) * SDL_STANDARD_GRAVITY;
}
+static float HIDAPI_DriverPS3ThirdParty_ScaleAccel(Sint16 value)
+{
+ return ((float)(value - 512) / 113.0f) * SDL_STANDARD_GRAVITY;
+}
+
static void HIDAPI_DriverPS3_HandleMiniStatePacket(SDL_Joystick *joystick, SDL_DriverPS3_Context *ctx, Uint8 *data, int size)
{
Sint16 axis;
@@ -1020,9 +1025,9 @@ static void HIDAPI_DriverPS3ThirdParty_HandleStatePacket19(SDL_Joystick *joystic
if (ctx->report_sensors) {
float sensor_data[3];
- sensor_data[0] = -HIDAPI_DriverPS3_ScaleAccel(LOAD16(data[20], data[19]));
- sensor_data[1] = -HIDAPI_DriverPS3_ScaleAccel(LOAD16(data[22], data[21]));
- sensor_data[2] = -HIDAPI_DriverPS3_ScaleAccel(LOAD16(data[24], data[23]));
+ sensor_data[0] = -HIDAPI_DriverPS3ThirdParty_ScaleAccel(LOAD16(data[19], data[20]));
+ sensor_data[1] = -HIDAPI_DriverPS3ThirdParty_ScaleAccel(LOAD16(data[21], data[22]));
+ sensor_data[2] = -HIDAPI_DriverPS3ThirdParty_ScaleAccel(LOAD16(data[23], data[24]));
SDL_SendJoystickSensor(timestamp, joystick, SDL_SENSOR_ACCEL, timestamp, sensor_data, SDL_arraysize(sensor_data));
}