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Add rumble support to XInput driver

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pinumbernumber 2013-09-26 12:44:52 +01:00
parent c7db4aff64
commit 44076bdde0
1 changed files with 35 additions and 2 deletions
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37
input/winxinput_joypad.c
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@ -65,6 +65,12 @@ typedef struct
XINPUT_GAMEPAD Gamepad;
} XINPUT_STATE;
typedef struct
{
uint16_t wLeftMotorSpeed;
uint16_t wRightMotorSpeed;
} XINPUT_VIBRATION;
#endif
// Guide constant is not officially documented
@ -93,6 +99,9 @@ static HINSTANCE g_winxinput_dll;
typedef uint32_t (__stdcall *XInputGetStateEx_t)(uint32_t, XINPUT_STATE*);
static XInputGetStateEx_t g_XInputGetStateEx;
typedef uint32_t (__stdcall *XInputSetState_t)(uint32_t, XINPUT_VIBRATION*);
static XInputSetState_t g_XInputSetState;
// Guide button may or may not be available
static bool g_winxinput_guide_button_supported;
@ -102,6 +111,8 @@ typedef struct
bool connected;
} winxinput_joypad_state;
static XINPUT_VIBRATION g_xinput_rumble_state;
static winxinput_joypad_state g_winxinput_states[4];
static inline int pad_index_to_xplayer_index(unsigned pad)
@ -174,12 +185,19 @@ static bool winxinput_joypad_init(void)
g_XInputGetStateEx = (XInputGetStateEx_t) GetProcAddress(g_winxinput_dll, "XInputGetState");
if (!g_XInputGetStateEx)
{
RARCH_ERR("Failed to init XInput: xinput1_3.dll is invalid or corrupt.\n");
RARCH_ERR("Failed to init XInput: DLL is invalid or corrupt.\n");
return false; // DLL was loaded but did not contain the correct function.
}
RARCH_WARN("XInput: No guide button support.\n");
}
g_XInputSetState = (XInputSetState_t) GetProcAddress(g_winxinput_dll, "XInputSetState");
if (!g_XInputSetState)
{
RARCH_ERR("Failed to init XInput: DLL is invalid or corrupt.\n");
return false; // DLL was loaded but did not contain the correct function.
}
// Zero out the states
for (unsigned i = 0; i < 4; ++i)
memset(&g_winxinput_states[i], 0, sizeof(winxinput_joypad_state));
@ -364,6 +382,21 @@ static void winxinput_joypad_poll(void)
dinput_joypad.poll();
}
static bool winxinput_joypad_rumble(unsigned pad, enum retro_rumble_effect effect, uint16_t strength)
{
// Consider the low frequency (left) motor the "strong" one.
if (effect == RETRO_RUMBLE_STRONG)
g_xinput_rumble_state.wLeftMotorSpeed = strength;
else if (effect == RETRO_RUMBLE_WEAK)
g_xinput_rumble_state.wRightMotorSpeed = strength;
int xplayer = pad_index_to_xplayer_index(pad);
if (xplayer == -1)
return dinput_joypad.set_rumble(pad, effect, strength);
return (g_XInputSetState(xplayer, &g_xinput_rumble_state) == ERROR_SUCCESS);
}
const rarch_joypad_driver_t winxinput_joypad = {
winxinput_joypad_init,
winxinput_joypad_query_pad,
@ -371,7 +404,7 @@ const rarch_joypad_driver_t winxinput_joypad = {
winxinput_joypad_button,
winxinput_joypad_axis,
winxinput_joypad_poll,
NULL, // FIXME: Add rumble.
winxinput_joypad_rumble,
winxinput_joypad_name,
"winxinput",
};