mirror/RetroArch
1
0
Fork 0
mirror of https://github.com/libretro/RetroArch synced 2025-01-31 06:32:48 +00:00
Code Issues Packages Projects Releases Wiki Activity
RetroArch/input/drivers_joypad/xinput_hybrid_joypad.c
twinaphex a15a033e72 (XInput) Cleanups
2020-08-19 03:40:55 +02:00

695 lines
21 KiB
C
Raw Blame History

/* RetroArch - A frontend for libretro.
* Copyright (C) 2013-2015 - pinumbernumber
* Copyright (C) 2011-2017 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
/* Support 360 controllers on Windows.
* Said controllers do show under DInput but they have limitations in this mode;
* The triggers are combined rather than seperate and it is not possible to use
* the guide button.
*
* Some wrappers for other controllers also simulate xinput (as it is easier to implement)
* so this may be useful for those also.
**/
/* Specialized version of xinput_joypad.c,
* has both DirectInput and XInput codepaths */
/* TODO/FIXME - integrate dinput_joypad into this version */
#include <stdlib.h>
#include <stddef.h>
#include <string.h>
#include <boolean.h>
#include <retro_inline.h>
#include <compat/strl.h>
#include <dynamic/dylib.h>
#include <string/stdstring.h>
#ifdef HAVE_CONFIG_H
#include "../../config.h"
#endif
#include "../../config.def.h"
#include "../../tasks/tasks_internal.h"
#include "../input_driver.h"
#include "../../retroarch.h"
#include "../../verbosity.h"
#include "dinput_joypad.h"
#include "xinput_joypad.h"
/* Due to 360 pads showing up under both XInput and DirectInput,
* and since we are going to have to pass through unhandled
* joypad numbers to DirectInput, a slightly ugly
* hack is required here. dinput_joypad_init will fill this.
*
* For each pad index, the appropriate entry will be set to -1 if it is not
* a 360 pad, or the correct XInput user number (0..3 inclusive) if it is.
*/
typedef struct
{
XINPUT_STATE xstate;
bool connected;
} xinput_joypad_state;
/* TODO/FIXME - static globals */
static int g_xinput_pad_indexes[MAX_USERS];
static unsigned g_last_xinput_pad_idx;
static bool g_xinput_block_pads;
#ifdef HAVE_DYNAMIC
/* For xinput1_n.dll */
static dylib_t g_xinput_dll = NULL;
#endif
/* Function pointer, to be assigned with dylib_proc */
typedef uint32_t (__stdcall *XInputGetStateEx_t)(uint32_t, XINPUT_STATE*);
typedef uint32_t (__stdcall *XInputSetState_t)(uint32_t, XINPUT_VIBRATION*);
/* Guide button may or may not be available */
static bool g_xinput_guide_button_supported = false;
static unsigned g_xinput_num_buttons = 0;
static XInputSetState_t g_XInputSetState;
static XInputGetStateEx_t g_XInputGetStateEx;
static XINPUT_VIBRATION g_xinput_rumble_states[4];
static xinput_joypad_state g_xinput_states[4];
/* Buttons are provided by XInput as bits of a uint16.
* Map from rarch button index (0..10) to a mask to
* bitwise-& the buttons against.
* dpad is handled seperately. */
static const uint16_t button_index_to_bitmap_code[] = {
XINPUT_GAMEPAD_A,
XINPUT_GAMEPAD_B,
XINPUT_GAMEPAD_X,
XINPUT_GAMEPAD_Y,
XINPUT_GAMEPAD_LEFT_SHOULDER,
XINPUT_GAMEPAD_RIGHT_SHOULDER,
XINPUT_GAMEPAD_START,
XINPUT_GAMEPAD_BACK,
XINPUT_GAMEPAD_LEFT_THUMB,
XINPUT_GAMEPAD_RIGHT_THUMB
#ifndef _XBOX
,
XINPUT_GAMEPAD_GUIDE
#endif
};
#include "dinput_joypad_inl.h"
#include "xinput_joypad_inl.h"
/* Based on SDL2's implementation. */
static bool guid_is_xinput_device(const GUID* product_guid)
{
static const GUID common_xinput_guids[] = {
{MAKELONG(0x28DE, 0x11FF),0x0000,0x0000,{0x00,0x00,0x50,0x49,0x44,0x56,0x49,0x44}}, /* Valve streaming pad */
{MAKELONG(0x045E, 0x02A1),0x0000,0x0000,{0x00,0x00,0x50,0x49,0x44,0x56,0x49,0x44}}, /* Wired 360 pad */
{MAKELONG(0x045E, 0x028E),0x0000,0x0000,{0x00,0x00,0x50,0x49,0x44,0x56,0x49,0x44}} /* wireless 360 pad */
};
unsigned i, num_raw_devs = 0;
PRAWINPUTDEVICELIST raw_devs = NULL;
/* Check for well known XInput device GUIDs,
* thereby removing the need for the IG_ check.
* This lets us skip RAWINPUT for popular devices.
*
* Also, we need to do this for the Valve Streaming Gamepad
* because it's virtualized and doesn't show up in the device list. */
for (i = 0; i < ARRAY_SIZE(common_xinput_guids); ++i)
{
if (string_is_equal_fast(product_guid,
&common_xinput_guids[i], sizeof(GUID)))
return true;
}
/* Go through RAWINPUT (WinXP and later) to find HID devices. */
if (!raw_devs)
{
if ((GetRawInputDeviceList(NULL, &num_raw_devs,
sizeof(RAWINPUTDEVICELIST)) == (UINT)-1) || (!num_raw_devs))
return false;
raw_devs = (PRAWINPUTDEVICELIST)
malloc(sizeof(RAWINPUTDEVICELIST) * num_raw_devs);
if (!raw_devs)
return false;
if (GetRawInputDeviceList(raw_devs, &num_raw_devs,
sizeof(RAWINPUTDEVICELIST)) == (UINT)-1)
{
free(raw_devs);
raw_devs = NULL;
return false;
}
}
for (i = 0; i < num_raw_devs; i++)
{
RID_DEVICE_INFO rdi;
char *dev_name = NULL;
UINT rdi_size = sizeof(rdi);
UINT name_size = 0;
rdi.cbSize = rdi_size;
/*
* Step 1 -
* Check if device type is HID
* Step 2 -
* Query size of name
* Step 3 -
* Allocate string holding ID of device
* Step 4 -
* query ID of device
* Step 5 -
* Check if the device ID contains "IG_".
* If it does, then it's an XInput device
* This information can not be found from DirectInput
*/
if (
(raw_devs[i].dwType == RIM_TYPEHID) /* 1 */
&& (GetRawInputDeviceInfoA(raw_devs[i].hDevice,
RIDI_DEVICEINFO, &rdi, &rdi_size) != ((UINT)-1))
&& (MAKELONG(rdi.hid.dwVendorId, rdi.hid.dwProductId)
== ((LONG)product_guid->Data1))
&& (GetRawInputDeviceInfoA(raw_devs[i].hDevice,
RIDI_DEVICENAME, NULL, &name_size) != ((UINT)-1)) /* 2 */
&& ((dev_name = (char*)malloc(name_size)) != NULL) /* 3 */
&& (GetRawInputDeviceInfoA(raw_devs[i].hDevice,
RIDI_DEVICENAME, dev_name, &name_size) != ((UINT)-1)) /* 4 */
&& (strstr(dev_name, "IG_")) /* 5 */
)
{
free(dev_name);
free(raw_devs);
raw_devs = NULL;
return true;
}
if (dev_name)
free(dev_name);
}
free(raw_devs);
raw_devs = NULL;
return false;
}
static bool dinput_joypad_get_vidpid_from_xinput_index(
int32_t index, int32_t *vid,
int32_t *pid, int32_t *dinput_index)
{
int i;
for (i = 0; i < ARRAY_SIZE(g_xinput_pad_indexes); i++)
{
/* Found XInput pad? */
if (index == g_xinput_pad_indexes[i])
{
*vid = g_pads[i].vid;
*pid = g_pads[i].pid;
*dinput_index = i;
return true;
}
}
return false;
}
static BOOL CALLBACK enum_joypad_cb_hybrid(
const DIDEVICEINSTANCE *inst, void *p)
{
bool is_xinput_pad;
LPDIRECTINPUTDEVICE8 *pad = NULL;
if (g_joypad_cnt == MAX_USERS)
return DIENUM_STOP;
pad = &g_pads[g_joypad_cnt].joypad;
#ifdef __cplusplus
if (FAILED(IDirectInput8_CreateDevice(
g_dinput_ctx, inst->guidInstance, pad, NULL)))
#else
if (FAILED(IDirectInput8_CreateDevice(
g_dinput_ctx, &inst->guidInstance, pad, NULL)))
#endif
return DIENUM_CONTINUE;
g_pads[g_joypad_cnt].joy_name =
strdup((const char*)inst->tszProductName);
g_pads[g_joypad_cnt].joy_friendly_name =
strdup((const char*)inst->tszInstanceName);
/* there may be more useful info in the GUID,
* so leave this here for a while */
#if 0
printf("Guid = {%08lX-%04hX-%04hX-%02hhX%02hhX-%02hhX%02hhX%02hhX%02hhX%02hhX%02hhX}\n",
inst->guidProduct.Data1,
inst->guidProduct.Data2,
inst->guidProduct.Data3,
inst->guidProduct.Data4[0],
inst->guidProduct.Data4[1],
inst->guidProduct.Data4[2],
inst->guidProduct.Data4[3],
inst->guidProduct.Data4[4],
inst->guidProduct.Data4[5],
inst->guidProduct.Data4[6],
inst->guidProduct.Data4[7]);
#endif
g_pads[g_joypad_cnt].vid = inst->guidProduct.Data1 % 0x10000;
g_pads[g_joypad_cnt].pid = inst->guidProduct.Data1 / 0x10000;
is_xinput_pad = g_xinput_block_pads
&& guid_is_xinput_device(&inst->guidProduct);
if (is_xinput_pad)
{
if (g_last_xinput_pad_idx < 4)
g_xinput_pad_indexes[g_joypad_cnt] = g_last_xinput_pad_idx++;
goto enum_iteration_done;
}
/* Set data format to simple joystick */
IDirectInputDevice8_SetDataFormat(*pad, &c_dfDIJoystick2);
IDirectInputDevice8_SetCooperativeLevel(*pad,
(HWND)video_driver_window_get(),
DISCL_EXCLUSIVE | DISCL_BACKGROUND);
IDirectInputDevice8_EnumObjects(*pad, enum_axes_cb,
*pad, DIDFT_ABSAXIS);
dinput_create_rumble_effects(&g_pads[g_joypad_cnt]);
if (!is_xinput_pad)
{
input_autoconfigure_connect(
g_pads[g_joypad_cnt].joy_name,
g_pads[g_joypad_cnt].joy_friendly_name,
dinput_joypad.ident,
g_joypad_cnt,
g_pads[g_joypad_cnt].vid,
g_pads[g_joypad_cnt].pid);
}
enum_iteration_done:
g_joypad_cnt++;
return DIENUM_CONTINUE;
}
static void dinput_joypad_init_hybrid(void *data)
{
unsigned i;
g_last_xinput_pad_idx = 0;
for (i = 0; i < MAX_USERS; ++i)
{
g_xinput_pad_indexes[i] = -1;
g_pads[i].joy_name = NULL;
g_pads[i].joy_friendly_name = NULL;
}
IDirectInput8_EnumDevices(g_dinput_ctx, DI8DEVCLASS_GAMECTRL,
enum_joypad_cb_hybrid, NULL, DIEDFL_ATTACHEDONLY);
}
#define PAD_INDEX_TO_XUSER_INDEX(pad) (g_xinput_pad_indexes[(pad)])
static const char *xinput_joypad_name(unsigned pad)
{
/* On platforms with dinput support, we are able
* to get a name from the device itself */
return dinput_joypad_name(pad);
}
static bool xinput_joypad_init(void *data)
{
unsigned i, j;
XINPUT_STATE dummy_state;
#if defined(HAVE_DYNAMIC) && !defined(__WINRT__)
if (!g_xinput_dll)
if (!load_xinput_dll())
goto error;
/* If we get here then an xinput DLL is correctly loaded.
* First try to load ordinal 100 (XInputGetStateEx).
*/
g_XInputGetStateEx = (XInputGetStateEx_t)dylib_proc(
g_xinput_dll, (const char*)100);
#elif defined(__WINRT__)
/* XInputGetStateEx is not available on WinRT */
g_XInputGetStateEx = NULL;
#else
g_XInputGetStateEx = (XInputGetStateEx_t)XInputGetStateEx;
#endif
g_xinput_guide_button_supported = true;
if (!g_XInputGetStateEx)
{
/* no ordinal 100. (Presumably a wrapper.) Load the ordinary
* XInputGetState, at the cost of losing guide button support.
*/
g_xinput_guide_button_supported = false;
#if defined(HAVE_DYNAMIC) && !defined(__WINRT__)
g_XInputGetStateEx = (XInputGetStateEx_t)dylib_proc(
g_xinput_dll, "XInputGetState");
#else
g_XInputGetStateEx = (XInputGetStateEx_t)XInputGetState;
#endif
if (!g_XInputGetStateEx)
{
RARCH_ERR("[XInput]: Failed to init: DLL is invalid or corrupt.\n");
#if defined(HAVE_DYNAMIC) && !defined(__WINRT__)
dylib_close(g_xinput_dll);
#endif
/* DLL was loaded but did not contain the correct function. */
goto error;
}
RARCH_WARN("[XInput]: No guide button support.\n");
}
#if defined(HAVE_DYNAMIC) && !defined(__WINRT__)
g_XInputSetState = (XInputSetState_t)dylib_proc(
g_xinput_dll, "XInputSetState");
#else
g_XInputSetState = (XInputSetState_t)XInputSetState;
#endif
if (!g_XInputSetState)
{
RARCH_ERR("[XInput]: Failed to init: DLL is invalid or corrupt.\n");
#if defined(HAVE_DYNAMIC) && !defined(__WINRT__)
dylib_close(g_xinput_dll);
#endif
goto error; /* DLL was loaded but did not contain the correct function. */
}
/* Zero out the states. */
for (i = 0; i < 4; ++i)
{
g_xinput_states[i].xstate.dwPacketNumber = 0;
g_xinput_states[i].xstate.Gamepad.wButtons = 0;
g_xinput_states[i].xstate.Gamepad.bLeftTrigger = 0;
g_xinput_states[i].xstate.Gamepad.bRightTrigger = 0;
g_xinput_states[i].xstate.Gamepad.sThumbLX = 0;
g_xinput_states[i].xstate.Gamepad.sThumbLY = 0;
g_xinput_states[i].xstate.Gamepad.sThumbRX = 0;
g_xinput_states[i].xstate.Gamepad.sThumbRY = 0;
g_xinput_states[i].connected =
!(g_XInputGetStateEx(i, &dummy_state) == ERROR_DEVICE_NOT_CONNECTED);
}
if ( (!g_xinput_states[0].connected) &&
(!g_xinput_states[1].connected) &&
(!g_xinput_states[2].connected) &&
(!g_xinput_states[3].connected))
#ifdef __WINRT__
goto succeeded;
#else
goto error;
#endif
g_xinput_block_pads = true;
/* We're going to have to be buddies with dinput if we want to be able
* to use XInput and non-XInput controllers together. */
if (!dinput_init_context())
{
g_xinput_block_pads = false;
goto error;
}
dinput_joypad_init_hybrid(data);
for (j = 0; j < MAX_USERS; j++)
{
const char *name = xinput_joypad_name(j);
if (PAD_INDEX_TO_XUSER_INDEX(j) > -1)
{
int32_t vid = 0;
int32_t pid = 0;
int32_t dinput_index = 0;
bool success = dinput_joypad_get_vidpid_from_xinput_index((int32_t)PAD_INDEX_TO_XUSER_INDEX(j), (int32_t*)&vid, (int32_t*)&pid,
(int32_t*)&dinput_index);
/* On success, found VID/PID from dinput index */
input_autoconfigure_connect(
name,
NULL,
xinput_joypad.ident,
j,
vid,
pid);
}
}
#ifdef __WINRT__
succeeded:
#endif
/* non-hat button. */
g_xinput_num_buttons = g_xinput_guide_button_supported ? 11 : 10;
return true;
error:
/* non-hat button. */
g_xinput_num_buttons = g_xinput_guide_button_supported ? 11 : 10;
return false;
}
static bool xinput_joypad_query_pad(unsigned pad)
{
int xuser = PAD_INDEX_TO_XUSER_INDEX(pad);
if (xuser > -1)
return g_xinput_states[xuser].connected;
return dinput_joypad_query_pad(pad);
}
static void xinput_joypad_destroy(void)
{
unsigned i;
for (i = 0; i < 4; ++i)
{
g_xinput_states[i].xstate.dwPacketNumber = 0;
g_xinput_states[i].xstate.Gamepad.wButtons = 0;
g_xinput_states[i].xstate.Gamepad.bLeftTrigger = 0;
g_xinput_states[i].xstate.Gamepad.bRightTrigger = 0;
g_xinput_states[i].xstate.Gamepad.sThumbLX = 0;
g_xinput_states[i].xstate.Gamepad.sThumbLY = 0;
g_xinput_states[i].xstate.Gamepad.sThumbRX = 0;
g_xinput_states[i].xstate.Gamepad.sThumbRY = 0;
g_xinput_states[i].connected = false;
}
#if defined(HAVE_DYNAMIC) && !defined(__WINRT__)
dylib_close(g_xinput_dll);
g_xinput_dll = NULL;
#endif
g_XInputGetStateEx = NULL;
g_XInputSetState = NULL;
dinput_joypad_destroy();
g_xinput_block_pads = false;
}
static int16_t xinput_joypad_button(unsigned port, uint16_t joykey)
{
int xuser = PAD_INDEX_TO_XUSER_INDEX(port);
xinput_joypad_state *state = &g_xinput_states[xuser];
uint16_t btn_word = 0;
if (xuser == -1)
return dinput_joypad_button(port, joykey);
if (!state->connected)
return 0;
btn_word = state->xstate.Gamepad.wButtons;
return xinput_joypad_button_state(xuser, btn_word, port, joykey);
}
static int16_t xinput_joypad_axis(unsigned port, uint32_t joyaxis)
{
int xuser = PAD_INDEX_TO_XUSER_INDEX(port);
xinput_joypad_state *state = &g_xinput_states[xuser];
XINPUT_GAMEPAD *pad = &state->xstate.Gamepad;
if (xuser == -1)
return dinput_joypad_axis(port, joyaxis);
if (!state->connected)
return 0;
return xinput_joypad_axis_state(pad, port, joyaxis);
}
static int16_t xinput_joypad_state_func(
rarch_joypad_info_t *joypad_info,
const struct retro_keybind *binds,
unsigned port)
{
unsigned i;
uint16_t btn_word;
int16_t ret = 0;
uint16_t port_idx = joypad_info->joy_idx;
int xuser = PAD_INDEX_TO_XUSER_INDEX(port_idx);
xinput_joypad_state *state = &g_xinput_states[xuser];
XINPUT_GAMEPAD *pad = &state->xstate.Gamepad;
if (xuser == -1)
return dinput_joypad_state(joypad_info, binds, port_idx);
if (!state->connected)
return 0;
btn_word = state->xstate.Gamepad.wButtons;
for (i = 0; i < RARCH_FIRST_CUSTOM_BIND; i++)
{
/* Auto-binds are per joypad, not per user. */
const uint64_t joykey = (binds[i].joykey != NO_BTN)
? binds[i].joykey : joypad_info->auto_binds[i].joykey;
const uint32_t joyaxis = (binds[i].joyaxis != AXIS_NONE)
? binds[i].joyaxis : joypad_info->auto_binds[i].joyaxis;
if (
(uint16_t)joykey != NO_BTN
&& xinput_joypad_button_state(
xuser, btn_word, port_idx, (uint16_t)joykey))
ret |= ( 1 << i);
else if (joyaxis != AXIS_NONE &&
((float)abs(xinput_joypad_axis_state(pad, port_idx, joyaxis))
/ 0x8000) > joypad_info->axis_threshold)
ret |= (1 << i);
}
return ret;
}
static void xinput_joypad_poll(void)
{
unsigned i;
for (i = 0; i < 4; ++i)
{
xinput_joypad_state *state = &g_xinput_states[i];
DWORD status = g_XInputGetStateEx(i, &state->xstate);
bool success = (status == ERROR_SUCCESS);
bool new_connected = (status != ERROR_DEVICE_NOT_CONNECTED);
if (new_connected != state->connected)
{
state->connected = new_connected;
if (!success)
input_autoconfigure_disconnect(i, xinput_joypad_name(i));
}
}
for (i = 0; i < MAX_USERS; i++)
{
unsigned j;
HRESULT ret;
struct dinput_joypad_data *pad = &g_pads[i];
bool polled = g_xinput_pad_indexes[i] < 0;
if (!polled || !pad || !pad->joypad)
continue;
pad->joy_state.lX = 0;
pad->joy_state.lY = 0;
pad->joy_state.lRx = 0;
pad->joy_state.lRy = 0;
pad->joy_state.lRz = 0;
pad->joy_state.rglSlider[0] = 0;
pad->joy_state.rglSlider[1] = 0;
pad->joy_state.rgdwPOV[0] = 0;
pad->joy_state.rgdwPOV[1] = 0;
pad->joy_state.rgdwPOV[2] = 0;
pad->joy_state.rgdwPOV[3] = 0;
for (j = 0; j < 128; j++)
pad->joy_state.rgbButtons[j] = 0;
pad->joy_state.lVX = 0;
pad->joy_state.lVY = 0;
pad->joy_state.lVZ = 0;
pad->joy_state.lVRx = 0;
pad->joy_state.lVRy = 0;
pad->joy_state.lVRz = 0;
pad->joy_state.rglVSlider[0] = 0;
pad->joy_state.rglVSlider[1] = 0;
pad->joy_state.lAX = 0;
pad->joy_state.lAY = 0;
pad->joy_state.lAZ = 0;
pad->joy_state.lARx = 0;
pad->joy_state.lARy = 0;
pad->joy_state.lARz = 0;
pad->joy_state.rglASlider[0] = 0;
pad->joy_state.rglASlider[1] = 0;
pad->joy_state.lFX = 0;
pad->joy_state.lFY = 0;
pad->joy_state.lFZ = 0;
pad->joy_state.lFRx = 0;
pad->joy_state.lFRy = 0;
pad->joy_state.lFRz = 0;
pad->joy_state.rglFSlider[0] = 0;
pad->joy_state.rglFSlider[1] = 0;
/* If this fails, something *really* bad must have happened. */
if (FAILED(IDirectInputDevice8_Poll(pad->joypad)))
if (
FAILED(IDirectInputDevice8_Acquire(pad->joypad))
|| FAILED(IDirectInputDevice8_Poll(pad->joypad))
)
continue;
ret = IDirectInputDevice8_GetDeviceState(pad->joypad,
sizeof(DIJOYSTATE2), &pad->joy_state);
if (ret == DIERR_INPUTLOST || ret == DIERR_NOTACQUIRED)
input_autoconfigure_disconnect(i, g_pads[i].joy_friendly_name);
}
}
static bool xinput_joypad_rumble(unsigned pad,
enum retro_rumble_effect effect, uint16_t strength)
{
int xuser = PAD_INDEX_TO_XUSER_INDEX(pad);
if (xuser == -1)
return dinput_joypad_set_rumble(pad, effect, strength);
/* Consider the low frequency (left) motor the "strong" one. */
if (effect == RETRO_RUMBLE_STRONG)
g_xinput_rumble_states[xuser].wLeftMotorSpeed = strength;
else if (effect == RETRO_RUMBLE_WEAK)
g_xinput_rumble_states[xuser].wRightMotorSpeed = strength;
if (!g_XInputSetState)
return false;
return (g_XInputSetState(xuser, &g_xinput_rumble_states[xuser])
== 0);
}
input_device_driver_t xinput_joypad = {
xinput_joypad_init,
xinput_joypad_query_pad,
xinput_joypad_destroy,
xinput_joypad_button,
xinput_joypad_state_func,
NULL,
xinput_joypad_axis,
xinput_joypad_poll,
xinput_joypad_rumble,
xinput_joypad_name,
"xinput",
};
Reference in New Issue View Git Blame Copy Permalink