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RetroArch/input/input_driver.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 Foundation, 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 <string/stdstring.h>
#include "input_driver.h"
#include "retroarch.h"
#include "verbosity.h"
#include "configuration.h"
#include "../list_special.h"
/**************************************/
static void *input_null_init(const char *joypad_driver) { return (void*)-1; }
static void input_null_poll(void *data) { }
static int16_t input_null_input_state(
void *data,
const input_device_driver_t *joypad,
const input_device_driver_t *sec_joypad,
rarch_joypad_info_t *joypad_info,
const struct retro_keybind **retro_keybinds,
bool keyboard_mapping_blocked,
unsigned port, unsigned device, unsigned index, unsigned id) { return 0; }
static void input_null_free(void *data) { }
static bool input_null_set_sensor_state(void *data, unsigned port,
enum retro_sensor_action action, unsigned rate) { return false; }
static float input_null_get_sensor_input(void *data, unsigned port, unsigned id) { return 0.0; }
static uint64_t input_null_get_capabilities(void *data) { return 0; }
static void input_null_grab_mouse(void *data, bool state) { }
static bool input_null_grab_stdin(void *data) { return false; }
static input_driver_t input_null = {
input_null_init,
input_null_poll,
input_null_input_state,
input_null_free,
input_null_set_sensor_state,
input_null_get_sensor_input,
input_null_get_capabilities,
"null",
input_null_grab_mouse,
input_null_grab_stdin
};
static input_device_driver_t null_joypad = {
NULL, /* init */
NULL, /* query_pad */
NULL, /* destroy */
NULL, /* button */
NULL, /* state */
NULL, /* get_buttons */
NULL, /* axis */
NULL, /* poll */
NULL,
NULL, /* name */
"null",
};
#ifdef HAVE_HID
static bool null_hid_joypad_query(void *data, unsigned pad) {
return pad < MAX_USERS; }
static const char *null_hid_joypad_name(
void *data, unsigned pad) { return NULL; }
static void null_hid_joypad_get_buttons(void *data,
unsigned port, input_bits_t *state) { BIT256_CLEAR_ALL_PTR(state); }
static int16_t null_hid_joypad_button(
void *data, unsigned port, uint16_t joykey) { return 0; }
static bool null_hid_joypad_rumble(void *data, unsigned pad,
enum retro_rumble_effect effect, uint16_t strength) { return false; }
static int16_t null_hid_joypad_axis(
void *data, unsigned port, uint32_t joyaxis) { return 0; }
static void *null_hid_init(void) { return (void*)-1; }
static void null_hid_free(const void *data) { }
static void null_hid_poll(void *data) { }
static int16_t null_hid_joypad_state(
void *data,
rarch_joypad_info_t *joypad_info,
const void *binds_data,
unsigned port) { return 0; }
static hid_driver_t null_hid = {
null_hid_init, /* init */
null_hid_joypad_query, /* joypad_query */
null_hid_free, /* free */
null_hid_joypad_button, /* button */
null_hid_joypad_state, /* state */
null_hid_joypad_get_buttons, /* get_buttons */
null_hid_joypad_axis, /* axis */
null_hid_poll, /* poll */
null_hid_joypad_rumble, /* rumble */
null_hid_joypad_name, /* joypad_name */
"null",
};
#endif
input_device_driver_t *joypad_drivers[] = {
#ifdef HAVE_XINPUT
&xinput_joypad,
#endif
#ifdef GEKKO
&gx_joypad,
#endif
#ifdef WIIU
&wiiu_joypad,
#endif
#ifdef _XBOX1
&xdk_joypad,
#endif
#if defined(ORBIS)
&ps4_joypad,
#endif
#if defined(__PSL1GHT__) || defined(__PS3__)
&ps3_joypad,
#endif
#if defined(PSP) || defined(VITA)
&psp_joypad,
#endif
#if defined(PS2)
&ps2_joypad,
#endif
#ifdef _3DS
&ctr_joypad,
#endif
#ifdef SWITCH
&switch_joypad,
#endif
#ifdef HAVE_DINPUT
&dinput_joypad,
#endif
#ifdef HAVE_UDEV
&udev_joypad,
#endif
#if defined(__linux) && !defined(ANDROID)
&linuxraw_joypad,
#endif
#ifdef HAVE_PARPORT
&parport_joypad,
#endif
#ifdef ANDROID
&android_joypad,
#endif
#if defined(HAVE_SDL) || defined(HAVE_SDL2)
&sdl_joypad,
#endif
#if defined(DINGUX) && defined(HAVE_SDL_DINGUX)
&sdl_dingux_joypad,
#endif
#ifdef __QNX__
&qnx_joypad,
#endif
#ifdef HAVE_MFI
&mfi_joypad,
#endif
#ifdef DJGPP
&dos_joypad,
#endif
/* Selecting the HID gamepad driver disables the Wii U gamepad. So while
* we want the HID code to be compiled & linked, we don't want the driver
* to be selectable in the UI. */
#if defined(HAVE_HID) && !defined(WIIU)
&hid_joypad,
#endif
#ifdef EMSCRIPTEN
&rwebpad_joypad,
#endif
&null_joypad,
NULL,
};
input_driver_t *input_drivers[] = {
#ifdef ORBIS
&input_ps4,
#endif
#if defined(__PSL1GHT__) || defined(__PS3__)
&input_ps3,
#endif
#if defined(SN_TARGET_PSP2) || defined(PSP) || defined(VITA)
&input_psp,
#endif
#if defined(PS2)
&input_ps2,
#endif
#if defined(_3DS)
&input_ctr,
#endif
#if defined(SWITCH)
&input_switch,
#endif
#if defined(HAVE_SDL) || defined(HAVE_SDL2)
&input_sdl,
#endif
#if defined(DINGUX) && defined(HAVE_SDL_DINGUX)
&input_sdl_dingux,
#endif
#ifdef HAVE_DINPUT
&input_dinput,
#endif
#ifdef HAVE_X11
&input_x,
#endif
#ifdef __WINRT__
&input_uwp,
#endif
#ifdef XENON
&input_xenon360,
#endif
#if defined(HAVE_XINPUT2) || defined(HAVE_XINPUT_XBOX1) || defined(__WINRT__)
&input_xinput,
#endif
#ifdef GEKKO
&input_gx,
#endif
#ifdef WIIU
&input_wiiu,
#endif
#ifdef ANDROID
&input_android,
#endif
#ifdef HAVE_UDEV
&input_udev,
#endif
#if defined(__linux__) && !defined(ANDROID)
&input_linuxraw,
#endif
#if defined(HAVE_COCOA) || defined(HAVE_COCOATOUCH) || defined(HAVE_COCOA_METAL)
&input_cocoa,
#endif
#ifdef __QNX__
&input_qnx,
#endif
#ifdef EMSCRIPTEN
&input_rwebinput,
#endif
#ifdef DJGPP
&input_dos,
#endif
#if defined(_WIN32) && !defined(_XBOX) && _WIN32_WINNT >= 0x0501 && !defined(__WINRT__)
#ifdef HAVE_WINRAWINPUT
/* winraw only available since XP */
&input_winraw,
#endif
#endif
&input_null,
NULL,
};
#ifdef HAVE_HID
hid_driver_t *hid_drivers[] = {
#if defined(HAVE_BTSTACK)
&btstack_hid,
#endif
#if defined(__APPLE__) && defined(HAVE_IOHIDMANAGER)
&iohidmanager_hid,
#endif
#if defined(HAVE_LIBUSB) && defined(HAVE_THREADS)
&libusb_hid,
#endif
#ifdef HW_RVL
&wiiusb_hid,
#endif
&null_hid,
NULL,
};
#endif
/**************************************/
/* private function prototypes */
static const input_device_driver_t *input_joypad_init_first(void *data);
/**************************************/
bool input_driver_set_rumble(
input_driver_state_t *driver_state, unsigned port, unsigned joy_idx,
enum retro_rumble_effect effect, uint16_t strength)
{
const input_device_driver_t *primary_joypad;
const input_device_driver_t *sec_joypad;
bool rumble_state = false;
if (!driver_state || (joy_idx >= MAX_USERS))
return false;
primary_joypad = driver_state->primary_joypad;
sec_joypad = driver_state->secondary_joypad;
if (primary_joypad && primary_joypad->set_rumble)
rumble_state = primary_joypad->set_rumble(joy_idx, effect, strength);
/* if sec_joypad exists, this set_rumble() return value will replace primary_joypad's return */
if (sec_joypad && sec_joypad->set_rumble)
rumble_state = sec_joypad->set_rumble(joy_idx, effect, strength);
return rumble_state;
}
/**************************************/
bool input_driver_set_sensor(
input_driver_state_t *driver_state, unsigned port, bool sensors_enable,
enum retro_sensor_action action, unsigned rate)
{
const input_driver_t *current_driver;
void *current_data;
if (!driver_state || !driver_state->current_data)
return false;
current_driver = driver_state->current_driver;
current_data = driver_state->current_data;
/* If sensors are disabled, inhibit any enable
* actions (but always allow disable actions) */
if (!sensors_enable &&
((action == RETRO_SENSOR_ACCELEROMETER_ENABLE) ||
(action == RETRO_SENSOR_GYROSCOPE_ENABLE) ||
(action == RETRO_SENSOR_ILLUMINANCE_ENABLE)))
return false;
if (current_driver && current_driver->set_sensor_state)
return current_driver->set_sensor_state(current_data,
port, action, rate);
return false;
}
/**************************************/
float input_driver_get_sensor(
input_driver_state_t *driver_state,
unsigned port, bool sensors_enable, unsigned id)
{
const input_driver_t *current_driver;
void *current_data;
if (!driver_state || !driver_state->current_data)
return 0.0f;
current_driver = driver_state->current_driver;
current_data = driver_state->current_data;
if (sensors_enable && current_driver->get_sensor_input)
return current_driver->get_sensor_input(current_data, port, id);
return 0.0f;
}
/**************************************/
bool input_driver_get_nonblocking(input_driver_state_t *driver_state)
{
if (!driver_state)
return false;
return driver_state->nonblocking_flag;
}
void input_driver_set_nonblocking(input_driver_state_t *driver_state,
bool new_value)
{
if (!driver_state)
return;
driver_state->nonblocking_flag = new_value;
}
/**************************************/
const input_device_driver_t *input_joypad_init_driver(
const char *ident, void *data)
{
unsigned i;
if (ident && *ident)
{
for (i = 0; joypad_drivers[i]; i++)
{
if (string_is_equal(ident, joypad_drivers[i]->ident)
&& joypad_drivers[i]->init)
{
void *ptr = joypad_drivers[i]->init(data);
if (ptr)
{
RARCH_LOG("[Joypad]: Found joypad driver: \"%s\".\n",
joypad_drivers[i]->ident);
return joypad_drivers[i];
}
}
}
}
return input_joypad_init_first(data); /* fall back to first available driver */
}
/**
* Finds first suitable joypad driver and initializes. Used as a fallback by
* input_joypad_init_driver when no matching driver is found.
*
* @param data joypad state data pointer, which can be NULL and will be
* initialized by the new joypad driver, if one is found.
*
* @return joypad driver if found and initialized, otherwise NULL.
**/
static const input_device_driver_t *input_joypad_init_first(void *data)
{
unsigned i;
for (i = 0; joypad_drivers[i]; i++)
{
if ( joypad_drivers[i]
&& joypad_drivers[i]->init)
{
void *ptr = joypad_drivers[i]->init(data);
if (ptr)
{
RARCH_LOG("[Joypad]: Found joypad driver: \"%s\".\n",
joypad_drivers[i]->ident);
return joypad_drivers[i];
}
}
}
return NULL;
}
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