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RetroArch/input/drivers_joypad/dinput_joypad.c

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* 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/>.
*/
#include <stdlib.h>
#include <stddef.h>
#include <string.h>
#include <windowsx.h>
#include <dinput.h>
#include <mmsystem.h>
#include <boolean.h>
#include <compat/strl.h>
#include <string/stdstring.h>
#ifdef HAVE_CONFIG_H
#include "../../config.h"
#endif
#include "../../tasks/tasks_internal.h"
#include "../input_keymaps.h"
#include "../../retroarch.h"
#include "../../verbosity.h"
#include "dinput_joypad.h"
/* TODO/FIXME - static globals */
static struct dinput_joypad_data g_pads[MAX_USERS];
static unsigned g_joypad_cnt;
/* forward declarations */
void dinput_destroy_context(void);
bool dinput_init_context(void);
extern LPDIRECTINPUT8 g_dinput_ctx;
#include "dinput_joypad_inl.h"
#ifdef HAVE_XINPUT
extern bool g_xinput_block_pads;
extern int g_xinput_pad_indexes[MAX_USERS];
static unsigned g_last_xinput_pad_idx;
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 */
};
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])
{
if (vid)
*vid = g_pads[i].vid;
if (pid)
*pid = g_pads[i].pid;
if (dinput_index)
*dinput_index = i;
return true;
}
}
return false;
}
/* Based on SDL2's implementation. */
static bool guid_is_xinput_device(const GUID* product_guid)
{
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;
}
#endif
static BOOL CALLBACK enum_joypad_cb(const DIDEVICEINSTANCE *inst, void *p)
{
#ifdef HAVE_XINPUT
bool is_xinput_pad;
#endif
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;
#ifdef HAVE_XINPUT
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;
}
#endif
/* 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]);
#ifdef HAVE_XINPUT
if (!is_xinput_pad)
#endif
{
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);
}
#ifdef HAVE_XINPUT
enum_iteration_done:
#endif
g_joypad_cnt++;
return DIENUM_CONTINUE;
}
static bool dinput_joypad_init(void *data)
{
unsigned i;
if (!dinput_init_context())
return false;
#ifdef HAVE_XINPUT
g_last_xinput_pad_idx = 0;
#endif
for (i = 0; i < MAX_USERS; ++i)
{
#ifdef HAVE_XINPUT
g_xinput_pad_indexes[i] = -1;
#endif
g_pads[i].joy_name = NULL;
g_pads[i].joy_friendly_name = NULL;
}
IDirectInput8_EnumDevices(g_dinput_ctx, DI8DEVCLASS_GAMECTRL,
enum_joypad_cb, NULL, DIEDFL_ATTACHEDONLY);
return true;
}
static void dinput_joypad_poll(void)
{
unsigned i;
for (i = 0; i < MAX_USERS; i++)
{
unsigned j;
HRESULT ret;
struct dinput_joypad_data *pad = &g_pads[i];
#ifdef HAVE_XINPUT
bool polled = g_xinput_pad_indexes[i] < 0;
if (!polled)
continue;
#endif
if (!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);
}
}
input_device_driver_t dinput_joypad = {
dinput_joypad_init,
dinput_joypad_query_pad,
dinput_joypad_destroy,
dinput_joypad_button,
dinput_joypad_state,
NULL,
dinput_joypad_axis,
dinput_joypad_poll,
dinput_joypad_set_rumble,
dinput_joypad_name,
"dinput",
};
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