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Bug 1984

Summary: XInput compatible device initialized as a DirectInput device
Product: SDL Reporter: yamamoto
Component: joystickAssignee: Ryan C. Gordon <icculus>
Status: RESOLVED FIXED QA Contact: Sam Lantinga <slouken>
Severity: normal    
Priority: P2 CC: icculus
Version: 2.0.0Keywords: target-2.0.0
Hardware: x86_64   
OS: Windows (All)   
URL: http://forums.libsdl.org/viewtopic.php?t=9301&sid=8953aa2cdb4f5dd07891aa1271a61b22

Description yamamoto 2013-07-25 05:14:21 UTC 
Overview:
SDL2 initializes XInput compatible device as a DirectInput device under 
a specific circumstance.

Steps to Reproduce:
- Prepare 2 XInput compatible input devices.
- Plug off all XInput compatible devices from your machine.
- Plug in 2 controllers to your machine in order, and make sure both are recognized.
- Plug off first connected device and leave second one connected.
- In your program, Call SDL_Init(SDL_INIT_JOYSTICK) or SDL_InitSubSystem(SDL_INIT_JOYSTICK) to have SDL2 detect your XInput device.
- Then call SDL_JoystickOpen(0) to initialize the XInput device. The function will initialize the device on DirectInput.

Actual Results:
SDL2 handles the joystick device in an unexpected manner. The connected device is handled by DirectInput. In the case of wired XBox360 game pad, you can see SDL_JoystickNumAxes() retrieves 5 for the device while the function usually returns 6 for the game pad.

Expected Results:
The connected device is handled by XInput internally. In the case of wired XBox360 game pad, SDL_JoystickNumAxes() should return 6.

Build Date & Platform:
2013 25th July with SDL 2.0.0. Windows7 64bit
Comment 1 Ryan C. Gordon 2013-08-28 20:58:26 UTC 
This should now be fixed in https://hg.libsdl.org/SDL/rev/37e02f8fcfa8

--ryan.