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wine/dlls/winebus.sys/bus_sdl.c
Rémi Bernon d48e250835 winebus: Add HID usages in the device descriptor when possible. 
As a hint for the frontend to decide whether to use hidraw.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=56450
2024-03-19 23:02:11 +01:00

1248 lines
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/*
* Plug and Play support for hid devices found through SDL2
*
* Copyright 2017 CodeWeavers, Aric Stewart
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#if 0
#pragma makedep unix
#endif
#include "config.h"
#include <errno.h>
#include <fcntl.h>
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <dlfcn.h>
#ifdef HAVE_SDL_H
# include <SDL.h>
#endif
#include <pthread.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "winnls.h"
#include "winreg.h"
#include "winternl.h"
#include "ddk/wdm.h"
#include "ddk/hidtypes.h"
#include "ddk/hidsdi.h"
#include "hidusage.h"
#include "wine/debug.h"
#include "wine/hid.h"
#include "wine/unixlib.h"
#include "unix_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(hid);
#ifdef SONAME_LIBSDL2
static pthread_mutex_t sdl_cs = PTHREAD_MUTEX_INITIALIZER;
static struct sdl_bus_options options;
static void *sdl_handle = NULL;
static UINT quit_event = -1;
static struct list event_queue = LIST_INIT(event_queue);
static struct list device_list = LIST_INIT(device_list);
#define MAKE_FUNCPTR(f) static typeof(f) * p##f = NULL
MAKE_FUNCPTR(SDL_GetError);
MAKE_FUNCPTR(SDL_Init);
MAKE_FUNCPTR(SDL_JoystickClose);
MAKE_FUNCPTR(SDL_JoystickEventState);
MAKE_FUNCPTR(SDL_JoystickGetGUID);
MAKE_FUNCPTR(SDL_JoystickGetGUIDString);
MAKE_FUNCPTR(SDL_JoystickInstanceID);
MAKE_FUNCPTR(SDL_JoystickName);
MAKE_FUNCPTR(SDL_JoystickNumAxes);
MAKE_FUNCPTR(SDL_JoystickOpen);
MAKE_FUNCPTR(SDL_WaitEventTimeout);
MAKE_FUNCPTR(SDL_JoystickNumButtons);
MAKE_FUNCPTR(SDL_JoystickNumBalls);
MAKE_FUNCPTR(SDL_JoystickNumHats);
MAKE_FUNCPTR(SDL_JoystickGetAxis);
MAKE_FUNCPTR(SDL_JoystickGetHat);
MAKE_FUNCPTR(SDL_IsGameController);
MAKE_FUNCPTR(SDL_GameControllerClose);
MAKE_FUNCPTR(SDL_GameControllerGetAxis);
MAKE_FUNCPTR(SDL_GameControllerGetButton);
MAKE_FUNCPTR(SDL_GameControllerName);
MAKE_FUNCPTR(SDL_GameControllerOpen);
MAKE_FUNCPTR(SDL_GameControllerEventState);
MAKE_FUNCPTR(SDL_HapticClose);
MAKE_FUNCPTR(SDL_HapticDestroyEffect);
MAKE_FUNCPTR(SDL_HapticGetEffectStatus);
MAKE_FUNCPTR(SDL_HapticNewEffect);
MAKE_FUNCPTR(SDL_HapticOpenFromJoystick);
MAKE_FUNCPTR(SDL_HapticPause);
MAKE_FUNCPTR(SDL_HapticQuery);
MAKE_FUNCPTR(SDL_HapticRumbleInit);
MAKE_FUNCPTR(SDL_HapticRumblePlay);
MAKE_FUNCPTR(SDL_HapticRumbleStop);
MAKE_FUNCPTR(SDL_HapticRumbleSupported);
MAKE_FUNCPTR(SDL_HapticRunEffect);
MAKE_FUNCPTR(SDL_HapticSetGain);
MAKE_FUNCPTR(SDL_HapticSetAutocenter);
MAKE_FUNCPTR(SDL_HapticStopAll);
MAKE_FUNCPTR(SDL_HapticStopEffect);
MAKE_FUNCPTR(SDL_HapticUnpause);
MAKE_FUNCPTR(SDL_HapticUpdateEffect);
MAKE_FUNCPTR(SDL_JoystickIsHaptic);
MAKE_FUNCPTR(SDL_GameControllerAddMapping);
MAKE_FUNCPTR(SDL_RegisterEvents);
MAKE_FUNCPTR(SDL_PushEvent);
MAKE_FUNCPTR(SDL_GetTicks);
static int (*pSDL_JoystickRumble)(SDL_Joystick *joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms);
static int (*pSDL_JoystickRumbleTriggers)(SDL_Joystick *joystick, Uint16 left_rumble, Uint16 right_rumble, Uint32 duration_ms);
static Uint16 (*pSDL_JoystickGetProduct)(SDL_Joystick * joystick);
static Uint16 (*pSDL_JoystickGetProductVersion)(SDL_Joystick * joystick);
static Uint16 (*pSDL_JoystickGetVendor)(SDL_Joystick * joystick);
static SDL_JoystickType (*pSDL_JoystickGetType)(SDL_Joystick * joystick);
static const char *(*pSDL_JoystickGetSerial)(SDL_Joystick * joystick);
/* internal bits for extended rumble support, SDL_Haptic types are 16-bits */
#define WINE_SDL_JOYSTICK_RUMBLE 0x40000000 /* using SDL_JoystickRumble API */
#define WINE_SDL_HAPTIC_RUMBLE 0x80000000 /* using SDL_HapticRumble API */
#define EFFECT_SUPPORT_HAPTICS (SDL_HAPTIC_LEFTRIGHT|WINE_SDL_HAPTIC_RUMBLE|WINE_SDL_JOYSTICK_RUMBLE)
#define EFFECT_SUPPORT_PHYSICAL (SDL_HAPTIC_CONSTANT|SDL_HAPTIC_RAMP|SDL_HAPTIC_SINE|SDL_HAPTIC_TRIANGLE| \
SDL_HAPTIC_SAWTOOTHUP|SDL_HAPTIC_SAWTOOTHDOWN|SDL_HAPTIC_SPRING|SDL_HAPTIC_DAMPER|SDL_HAPTIC_INERTIA| \
SDL_HAPTIC_FRICTION|SDL_HAPTIC_CUSTOM)
struct sdl_device
{
struct unix_device unix_device;
SDL_Joystick *sdl_joystick;
SDL_GameController *sdl_controller;
SDL_JoystickID id;
BOOL started;
DWORD effect_support;
SDL_Haptic *sdl_haptic;
int haptic_effect_id;
int effect_ids[256];
int effect_state[256];
LONG effect_flags;
int axis_offset;
};
static inline struct sdl_device *impl_from_unix_device(struct unix_device *iface)
{
return CONTAINING_RECORD(iface, struct sdl_device, unix_device);
}
static struct sdl_device *find_device_from_id(SDL_JoystickID id)
{
struct sdl_device *impl;
LIST_FOR_EACH_ENTRY(impl, &device_list, struct sdl_device, unix_device.entry)
if (impl->id == id && impl->axis_offset == 0) return impl;
return NULL;
}
static struct sdl_device *find_device_from_id_and_axis(SDL_JoystickID id, int axis)
{
struct sdl_device *impl;
LIST_FOR_EACH_ENTRY(impl, &device_list, struct sdl_device, unix_device.entry)
{
USHORT count = impl->unix_device.hid_device_state.abs_axis_count;
if (impl->id == id && impl->axis_offset <= axis && impl->axis_offset + count > axis)
return impl;
}
return NULL;
}
static void set_hat_value(struct unix_device *iface, int index, int value)
{
LONG x = 0, y = 0;
switch (value)
{
case SDL_HAT_CENTERED: break;
case SDL_HAT_DOWN: y = 1; break;
case SDL_HAT_RIGHTDOWN: y = x = 1; break;
case SDL_HAT_RIGHT: x = 1; break;
case SDL_HAT_RIGHTUP: x = 1; y = -1; break;
case SDL_HAT_UP: y = -1; break;
case SDL_HAT_LEFTUP: x = y = -1; break;
case SDL_HAT_LEFT: x = -1; break;
case SDL_HAT_LEFTDOWN: x = -1; y = 1; break;
}
hid_device_set_hatswitch_x(iface, index, x);
hid_device_set_hatswitch_y(iface, index, y);
}
static BOOL descriptor_add_haptic(struct sdl_device *impl)
{
USHORT i, count = 0;
USAGE usages[16];
if (impl->axis_offset > 0 || !pSDL_JoystickIsHaptic(impl->sdl_joystick) ||
!(impl->sdl_haptic = pSDL_HapticOpenFromJoystick(impl->sdl_joystick)))
impl->effect_support = 0;
else
{
impl->effect_support = pSDL_HapticQuery(impl->sdl_haptic);
if (!(impl->effect_support & EFFECT_SUPPORT_HAPTICS) &&
pSDL_HapticRumbleSupported(impl->sdl_haptic) &&
pSDL_HapticRumbleInit(impl->sdl_haptic) == 0)
impl->effect_support |= WINE_SDL_HAPTIC_RUMBLE;
}
if (impl->axis_offset == 0 && pSDL_JoystickRumble && !pSDL_JoystickRumble(impl->sdl_joystick, 0, 0, 0))
impl->effect_support |= WINE_SDL_JOYSTICK_RUMBLE;
if (impl->effect_support & EFFECT_SUPPORT_HAPTICS)
{
if (!hid_device_add_haptics(&impl->unix_device))
return FALSE;
}
if ((impl->effect_support & EFFECT_SUPPORT_PHYSICAL))
{
/* SDL_HAPTIC_SQUARE doesn't exist */
if (impl->effect_support & SDL_HAPTIC_SINE) usages[count++] = PID_USAGE_ET_SINE;
if (impl->effect_support & SDL_HAPTIC_TRIANGLE) usages[count++] = PID_USAGE_ET_TRIANGLE;
if (impl->effect_support & SDL_HAPTIC_SAWTOOTHUP) usages[count++] = PID_USAGE_ET_SAWTOOTH_UP;
if (impl->effect_support & SDL_HAPTIC_SAWTOOTHDOWN) usages[count++] = PID_USAGE_ET_SAWTOOTH_DOWN;
if (impl->effect_support & SDL_HAPTIC_SPRING) usages[count++] = PID_USAGE_ET_SPRING;
if (impl->effect_support & SDL_HAPTIC_DAMPER) usages[count++] = PID_USAGE_ET_DAMPER;
if (impl->effect_support & SDL_HAPTIC_INERTIA) usages[count++] = PID_USAGE_ET_INERTIA;
if (impl->effect_support & SDL_HAPTIC_FRICTION) usages[count++] = PID_USAGE_ET_FRICTION;
if (impl->effect_support & SDL_HAPTIC_CONSTANT) usages[count++] = PID_USAGE_ET_CONSTANT_FORCE;
if (impl->effect_support & SDL_HAPTIC_RAMP) usages[count++] = PID_USAGE_ET_RAMP;
if (!hid_device_add_physical(&impl->unix_device, usages, count))
return FALSE;
}
impl->haptic_effect_id = -1;
for (i = 0; i < ARRAY_SIZE(impl->effect_ids); ++i) impl->effect_ids[i] = -1;
return TRUE;
}
static const USAGE_AND_PAGE absolute_axis_usages[] =
{
{.UsagePage = HID_USAGE_PAGE_GENERIC, .Usage = HID_USAGE_GENERIC_X},
{.UsagePage = HID_USAGE_PAGE_GENERIC, .Usage = HID_USAGE_GENERIC_Y},
{.UsagePage = HID_USAGE_PAGE_GENERIC, .Usage = HID_USAGE_GENERIC_Z},
{.UsagePage = HID_USAGE_PAGE_GENERIC, .Usage = HID_USAGE_GENERIC_RX},
{.UsagePage = HID_USAGE_PAGE_GENERIC, .Usage = HID_USAGE_GENERIC_RY},
{.UsagePage = HID_USAGE_PAGE_GENERIC, .Usage = HID_USAGE_GENERIC_RZ},
{.UsagePage = HID_USAGE_PAGE_GENERIC, .Usage = HID_USAGE_GENERIC_SLIDER},
{.UsagePage = HID_USAGE_PAGE_GENERIC, .Usage = HID_USAGE_GENERIC_DIAL},
};
static const USAGE_AND_PAGE relative_axis_usages[] =
{
{.UsagePage = HID_USAGE_PAGE_GENERIC, .Usage = HID_USAGE_GENERIC_X},
{.UsagePage = HID_USAGE_PAGE_GENERIC, .Usage = HID_USAGE_GENERIC_Y},
{.UsagePage = HID_USAGE_PAGE_GENERIC, .Usage = HID_USAGE_GENERIC_RX},
{.UsagePage = HID_USAGE_PAGE_GENERIC, .Usage = HID_USAGE_GENERIC_RY},
{.UsagePage = HID_USAGE_PAGE_GENERIC, .Usage = HID_USAGE_GENERIC_Z},
{.UsagePage = HID_USAGE_PAGE_GENERIC, .Usage = HID_USAGE_GENERIC_RZ},
{.UsagePage = HID_USAGE_PAGE_GENERIC, .Usage = HID_USAGE_GENERIC_SLIDER},
{.UsagePage = HID_USAGE_PAGE_GENERIC, .Usage = HID_USAGE_GENERIC_DIAL},
{.UsagePage = HID_USAGE_PAGE_GENERIC, .Usage = HID_USAGE_GENERIC_WHEEL},
};
static NTSTATUS build_joystick_report_descriptor(struct unix_device *iface)
{
const USAGE_AND_PAGE device_usage = {.UsagePage = HID_USAGE_PAGE_GENERIC, .Usage = HID_USAGE_GENERIC_JOYSTICK};
struct sdl_device *impl = impl_from_unix_device(iface);
int i, button_count, axis_count, ball_count, hat_count;
USAGE_AND_PAGE physical_usage;
axis_count = pSDL_JoystickNumAxes(impl->sdl_joystick);
if (options.split_controllers) axis_count = min(6, axis_count - impl->axis_offset);
if (axis_count > ARRAY_SIZE(absolute_axis_usages))
{
FIXME("More than %zu absolute axes found, ignoring.\n", ARRAY_SIZE(absolute_axis_usages));
axis_count = ARRAY_SIZE(absolute_axis_usages);
}
ball_count = pSDL_JoystickNumBalls(impl->sdl_joystick);
if (ball_count > ARRAY_SIZE(relative_axis_usages) / 2)
{
FIXME("More than %zu relative axes found, ignoring.\n", ARRAY_SIZE(relative_axis_usages));
ball_count = ARRAY_SIZE(relative_axis_usages) / 2;
}
if (impl->axis_offset == 0)
{
hat_count = pSDL_JoystickNumHats(impl->sdl_joystick);
button_count = pSDL_JoystickNumButtons(impl->sdl_joystick);
}
else
{
hat_count = 0;
button_count = 0;
}
if (!pSDL_JoystickGetType) physical_usage = device_usage;
else switch (pSDL_JoystickGetType(impl->sdl_joystick))
{
case SDL_JOYSTICK_TYPE_ARCADE_PAD:
case SDL_JOYSTICK_TYPE_ARCADE_STICK:
case SDL_JOYSTICK_TYPE_DANCE_PAD:
case SDL_JOYSTICK_TYPE_DRUM_KIT:
case SDL_JOYSTICK_TYPE_GUITAR:
case SDL_JOYSTICK_TYPE_UNKNOWN:
physical_usage.UsagePage = HID_USAGE_PAGE_GENERIC;
physical_usage.Usage = HID_USAGE_GENERIC_JOYSTICK;
break;
case SDL_JOYSTICK_TYPE_GAMECONTROLLER:
physical_usage.UsagePage = HID_USAGE_PAGE_GENERIC;
physical_usage.Usage = HID_USAGE_GENERIC_GAMEPAD;
break;
case SDL_JOYSTICK_TYPE_WHEEL:
physical_usage.UsagePage = HID_USAGE_PAGE_SIMULATION;
physical_usage.Usage = HID_USAGE_SIMULATION_AUTOMOBILE_SIMULATION_DEVICE;
break;
case SDL_JOYSTICK_TYPE_FLIGHT_STICK:
case SDL_JOYSTICK_TYPE_THROTTLE:
physical_usage.UsagePage = HID_USAGE_PAGE_SIMULATION;
physical_usage.Usage = HID_USAGE_SIMULATION_FLIGHT_SIMULATION_DEVICE;
break;
}
if (!hid_device_begin_report_descriptor(iface, &device_usage))
return STATUS_NO_MEMORY;
if (!hid_device_begin_input_report(iface, &physical_usage))
return STATUS_NO_MEMORY;
for (i = 0; i < axis_count; i++)
{
if (!hid_device_add_axes(iface, 1, absolute_axis_usages[i].UsagePage,
&absolute_axis_usages[i].Usage, FALSE, -32768, 32767))
return STATUS_NO_MEMORY;
}
for (i = 0; i < ball_count; i++)
{
if (!hid_device_add_axes(iface, 2, relative_axis_usages[2 * i].UsagePage,
&relative_axis_usages[2 * i].Usage, TRUE, INT32_MIN, INT32_MAX))
return STATUS_NO_MEMORY;
}
if (hat_count && !hid_device_add_hatswitch(iface, hat_count))
return STATUS_NO_MEMORY;
if (button_count && !hid_device_add_buttons(iface, HID_USAGE_PAGE_BUTTON, 1, button_count))
return STATUS_NO_MEMORY;
if (!hid_device_end_input_report(iface))
return STATUS_NO_MEMORY;
if (!descriptor_add_haptic(impl))
return STATUS_NO_MEMORY;
if (!hid_device_end_report_descriptor(iface))
return STATUS_NO_MEMORY;
/* Initialize axis in the report */
for (i = 0; i < axis_count; i++)
hid_device_set_abs_axis(iface, i, pSDL_JoystickGetAxis(impl->sdl_joystick, i));
for (i = 0; i < hat_count; i++)
set_hat_value(iface, i, pSDL_JoystickGetHat(impl->sdl_joystick, i));
return STATUS_SUCCESS;
}
static NTSTATUS build_controller_report_descriptor(struct unix_device *iface)
{
const USAGE_AND_PAGE device_usage = {.UsagePage = HID_USAGE_PAGE_GENERIC, .Usage = HID_USAGE_GENERIC_GAMEPAD};
static const USAGE left_axis_usages[] = {HID_USAGE_GENERIC_X, HID_USAGE_GENERIC_Y};
static const USAGE right_axis_usages[] = {HID_USAGE_GENERIC_RX, HID_USAGE_GENERIC_RY};
static const USAGE trigger_axis_usages[] = {HID_USAGE_GENERIC_Z, HID_USAGE_GENERIC_RZ};
struct sdl_device *impl = impl_from_unix_device(iface);
ULONG i, button_count = SDL_CONTROLLER_BUTTON_MAX - 1;
BOOL state;
C_ASSERT(SDL_CONTROLLER_AXIS_MAX == 6);
if (!hid_device_begin_report_descriptor(iface, &device_usage))
return STATUS_NO_MEMORY;
if (!hid_device_begin_input_report(iface, &device_usage))
return STATUS_NO_MEMORY;
if (!hid_device_add_axes(iface, 2, HID_USAGE_PAGE_GENERIC, left_axis_usages,
FALSE, -32768, 32767))
return STATUS_NO_MEMORY;
if (!hid_device_add_axes(iface, 2, HID_USAGE_PAGE_GENERIC, right_axis_usages,
FALSE, -32768, 32767))
return STATUS_NO_MEMORY;
if (!hid_device_add_axes(iface, 2, HID_USAGE_PAGE_GENERIC, trigger_axis_usages,
FALSE, 0, 32767))
return STATUS_NO_MEMORY;
if (!hid_device_add_hatswitch(iface, 1))
return STATUS_NO_MEMORY;
if (!hid_device_add_buttons(iface, HID_USAGE_PAGE_BUTTON, 1, button_count))
return STATUS_NO_MEMORY;
if (!hid_device_end_input_report(iface))
return STATUS_NO_MEMORY;
if (!descriptor_add_haptic(impl))
return STATUS_NO_MEMORY;
if (!hid_device_end_report_descriptor(iface))
return STATUS_NO_MEMORY;
/* Initialize axis in the report */
for (i = SDL_CONTROLLER_AXIS_LEFTX; i < SDL_CONTROLLER_AXIS_MAX; i++)
hid_device_set_abs_axis(iface, i, pSDL_GameControllerGetAxis(impl->sdl_controller, i));
state = pSDL_GameControllerGetButton(impl->sdl_controller, SDL_CONTROLLER_BUTTON_DPAD_UP);
hid_device_move_hatswitch(iface, 0, 0, state ? -1 : +1);
state = pSDL_GameControllerGetButton(impl->sdl_controller, SDL_CONTROLLER_BUTTON_DPAD_DOWN);
hid_device_move_hatswitch(iface, 0, 0, state ? +1 : -1);
state = pSDL_GameControllerGetButton(impl->sdl_controller, SDL_CONTROLLER_BUTTON_DPAD_LEFT);
hid_device_move_hatswitch(iface, 0, state ? -1 : +1, 0);
state = pSDL_GameControllerGetButton(impl->sdl_controller, SDL_CONTROLLER_BUTTON_DPAD_RIGHT);
hid_device_move_hatswitch(iface, 0, state ? +1 : -1, 0);
return STATUS_SUCCESS;
}
static void sdl_device_destroy(struct unix_device *iface)
{
}
static NTSTATUS sdl_device_start(struct unix_device *iface)
{
struct sdl_device *impl = impl_from_unix_device(iface);
NTSTATUS status;
pthread_mutex_lock(&sdl_cs);
if (impl->sdl_controller) status = build_controller_report_descriptor(iface);
else status = build_joystick_report_descriptor(iface);
impl->started = !status;
pthread_mutex_unlock(&sdl_cs);
return status;
}
static void sdl_device_stop(struct unix_device *iface)
{
struct sdl_device *impl = impl_from_unix_device(iface);
pSDL_JoystickClose(impl->sdl_joystick);
if (impl->sdl_controller) pSDL_GameControllerClose(impl->sdl_controller);
if (impl->sdl_haptic) pSDL_HapticClose(impl->sdl_haptic);
pthread_mutex_lock(&sdl_cs);
impl->started = FALSE;
list_remove(&impl->unix_device.entry);
pthread_mutex_unlock(&sdl_cs);
}
static NTSTATUS sdl_device_haptics_start(struct unix_device *iface, UINT duration_ms,
USHORT rumble_intensity, USHORT buzz_intensity,
USHORT left_intensity, USHORT right_intensity)
{
struct sdl_device *impl = impl_from_unix_device(iface);
TRACE("iface %p, duration_ms %u, rumble_intensity %u, buzz_intensity %u, left_intensity %u, right_intensity %u.\n",
iface, duration_ms, rumble_intensity, buzz_intensity, left_intensity, right_intensity);
if (!(impl->effect_support & EFFECT_SUPPORT_HAPTICS)) return STATUS_NOT_SUPPORTED;
if (impl->effect_support & WINE_SDL_JOYSTICK_RUMBLE)
{
pSDL_JoystickRumble(impl->sdl_joystick, rumble_intensity, buzz_intensity, duration_ms);
if (pSDL_JoystickRumbleTriggers)
pSDL_JoystickRumbleTriggers(impl->sdl_joystick, left_intensity, right_intensity, duration_ms);
}
else if (impl->effect_support & SDL_HAPTIC_LEFTRIGHT)
{
SDL_HapticEffect effect;
memset(&effect, 0, sizeof(SDL_HapticEffect));
effect.type = SDL_HAPTIC_LEFTRIGHT;
effect.leftright.length = duration_ms;
effect.leftright.large_magnitude = rumble_intensity;
effect.leftright.small_magnitude = buzz_intensity;
if (impl->haptic_effect_id >= 0)
pSDL_HapticDestroyEffect(impl->sdl_haptic, impl->haptic_effect_id);
impl->haptic_effect_id = pSDL_HapticNewEffect(impl->sdl_haptic, &effect);
if (impl->haptic_effect_id >= 0)
pSDL_HapticRunEffect(impl->sdl_haptic, impl->haptic_effect_id, 1);
}
else if (impl->effect_support & WINE_SDL_HAPTIC_RUMBLE)
{
float magnitude = (rumble_intensity + buzz_intensity) / 2.0 / 32767.0;
pSDL_HapticRumblePlay(impl->sdl_haptic, magnitude, duration_ms);
}
return STATUS_SUCCESS;
}
static NTSTATUS sdl_device_haptics_stop(struct unix_device *iface)
{
struct sdl_device *impl = impl_from_unix_device(iface);
TRACE("iface %p.\n", iface);
if (impl->effect_support & WINE_SDL_JOYSTICK_RUMBLE)
{
pSDL_JoystickRumble(impl->sdl_joystick, 0, 0, 0);
if (pSDL_JoystickRumbleTriggers)
pSDL_JoystickRumbleTriggers(impl->sdl_joystick, 0, 0, 0);
}
else if (impl->effect_support & SDL_HAPTIC_LEFTRIGHT)
pSDL_HapticStopAll(impl->sdl_haptic);
else if (impl->effect_support & WINE_SDL_HAPTIC_RUMBLE)
pSDL_HapticRumbleStop(impl->sdl_haptic);
return STATUS_SUCCESS;
}
static NTSTATUS sdl_device_physical_device_control(struct unix_device *iface, USAGE control)
{
struct sdl_device *impl = impl_from_unix_device(iface);
unsigned int i;
TRACE("iface %p, control %#04x.\n", iface, control);
switch (control)
{
case PID_USAGE_DC_ENABLE_ACTUATORS:
pSDL_HapticSetGain(impl->sdl_haptic, 100);
InterlockedOr(&impl->effect_flags, EFFECT_STATE_ACTUATORS_ENABLED);
return STATUS_SUCCESS;
case PID_USAGE_DC_DISABLE_ACTUATORS:
pSDL_HapticSetGain(impl->sdl_haptic, 0);
InterlockedAnd(&impl->effect_flags, ~EFFECT_STATE_ACTUATORS_ENABLED);
return STATUS_SUCCESS;
case PID_USAGE_DC_STOP_ALL_EFFECTS:
pSDL_HapticStopAll(impl->sdl_haptic);
pSDL_HapticSetAutocenter(impl->sdl_haptic, 0);
return STATUS_SUCCESS;
case PID_USAGE_DC_DEVICE_RESET:
pSDL_HapticStopAll(impl->sdl_haptic);
for (i = 0; i < ARRAY_SIZE(impl->effect_ids); ++i)
{
if (impl->effect_ids[i] < 0) continue;
pSDL_HapticDestroyEffect(impl->sdl_haptic, impl->effect_ids[i]);
impl->effect_ids[i] = -1;
}
pSDL_HapticSetAutocenter(impl->sdl_haptic, 100);
return STATUS_SUCCESS;
case PID_USAGE_DC_DEVICE_PAUSE:
pSDL_HapticPause(impl->sdl_haptic);
InterlockedOr(&impl->effect_flags, EFFECT_STATE_DEVICE_PAUSED);
return STATUS_SUCCESS;
case PID_USAGE_DC_DEVICE_CONTINUE:
pSDL_HapticUnpause(impl->sdl_haptic);
InterlockedAnd(&impl->effect_flags, ~EFFECT_STATE_DEVICE_PAUSED);
return STATUS_SUCCESS;
}
return STATUS_NOT_SUPPORTED;
}
static NTSTATUS sdl_device_physical_device_set_gain(struct unix_device *iface, BYTE percent)
{
struct sdl_device *impl = impl_from_unix_device(iface);
TRACE("iface %p, percent %#x.\n", iface, percent);
pSDL_HapticSetGain(impl->sdl_haptic, percent);
return STATUS_SUCCESS;
}
static NTSTATUS sdl_device_physical_effect_control(struct unix_device *iface, BYTE index,
USAGE control, BYTE iterations)
{
struct sdl_device *impl = impl_from_unix_device(iface);
int id = impl->effect_ids[index];
TRACE("iface %p, index %u, control %04x, iterations %u.\n", iface, index, control, iterations);
if (impl->effect_ids[index] < 0) return STATUS_UNSUCCESSFUL;
switch (control)
{
case PID_USAGE_OP_EFFECT_START_SOLO:
pSDL_HapticStopAll(impl->sdl_haptic);
/* fallthrough */
case PID_USAGE_OP_EFFECT_START:
pSDL_HapticRunEffect(impl->sdl_haptic, id, (iterations == 0xff ? SDL_HAPTIC_INFINITY : iterations));
break;
case PID_USAGE_OP_EFFECT_STOP:
pSDL_HapticStopEffect(impl->sdl_haptic, id);
break;
}
return STATUS_SUCCESS;
}
static NTSTATUS set_effect_type_from_usage(SDL_HapticEffect *effect, USAGE type)
{
switch (type)
{
case PID_USAGE_ET_SINE:
effect->type = SDL_HAPTIC_SINE;
return STATUS_SUCCESS;
case PID_USAGE_ET_TRIANGLE:
effect->type = SDL_HAPTIC_TRIANGLE;
return STATUS_SUCCESS;
case PID_USAGE_ET_SAWTOOTH_UP:
effect->type = SDL_HAPTIC_SAWTOOTHUP;
return STATUS_SUCCESS;
case PID_USAGE_ET_SAWTOOTH_DOWN:
effect->type = SDL_HAPTIC_SAWTOOTHDOWN;
return STATUS_SUCCESS;
case PID_USAGE_ET_SPRING:
effect->type = SDL_HAPTIC_SPRING;
return STATUS_SUCCESS;
case PID_USAGE_ET_DAMPER:
effect->type = SDL_HAPTIC_DAMPER;
return STATUS_SUCCESS;
case PID_USAGE_ET_INERTIA:
effect->type = SDL_HAPTIC_INERTIA;
return STATUS_SUCCESS;
case PID_USAGE_ET_FRICTION:
effect->type = SDL_HAPTIC_FRICTION;
return STATUS_SUCCESS;
case PID_USAGE_ET_CONSTANT_FORCE:
effect->type = SDL_HAPTIC_CONSTANT;
return STATUS_SUCCESS;
case PID_USAGE_ET_RAMP:
effect->type = SDL_HAPTIC_RAMP;
return STATUS_SUCCESS;
case PID_USAGE_ET_CUSTOM_FORCE_DATA:
effect->type = SDL_HAPTIC_CUSTOM;
return STATUS_SUCCESS;
default:
return STATUS_NOT_SUPPORTED;
}
}
static NTSTATUS sdl_device_physical_effect_update(struct unix_device *iface, BYTE index,
struct effect_params *params)
{
struct sdl_device *impl = impl_from_unix_device(iface);
int id = impl->effect_ids[index];
SDL_HapticEffect effect = {0};
UINT16 direction;
NTSTATUS status;
TRACE("iface %p, index %u, params %p.\n", iface, index, params);
if (params->effect_type == PID_USAGE_UNDEFINED) return STATUS_SUCCESS;
if ((status = set_effect_type_from_usage(&effect, params->effect_type))) return status;
/* The first direction we get from PID is in polar coordinate space, so we need to
* remove 90° to make it match SDL spherical coordinates. */
direction = (params->direction[0] - 9000) % 36000;
switch (params->effect_type)
{
case PID_USAGE_ET_SINE:
case PID_USAGE_ET_SQUARE:
case PID_USAGE_ET_TRIANGLE:
case PID_USAGE_ET_SAWTOOTH_UP:
case PID_USAGE_ET_SAWTOOTH_DOWN:
effect.periodic.length = (params->duration == 0xffff ? SDL_HAPTIC_INFINITY : params->duration);
effect.periodic.delay = params->start_delay;
effect.periodic.button = params->trigger_button;
effect.periodic.interval = params->trigger_repeat_interval;
effect.periodic.direction.type = SDL_HAPTIC_SPHERICAL;
effect.periodic.direction.dir[0] = direction;
effect.periodic.direction.dir[1] = params->direction[1];
effect.periodic.period = params->periodic.period;
effect.periodic.magnitude = (params->periodic.magnitude * params->gain_percent) / 100;
effect.periodic.offset = params->periodic.offset;
effect.periodic.phase = params->periodic.phase;
effect.periodic.attack_length = params->envelope.attack_time;
effect.periodic.attack_level = params->envelope.attack_level;
effect.periodic.fade_length = params->envelope.fade_time;
effect.periodic.fade_level = params->envelope.fade_level;
break;
case PID_USAGE_ET_SPRING:
case PID_USAGE_ET_DAMPER:
case PID_USAGE_ET_INERTIA:
case PID_USAGE_ET_FRICTION:
effect.condition.length = (params->duration == 0xffff ? SDL_HAPTIC_INFINITY : params->duration);
effect.condition.delay = params->start_delay;
effect.condition.button = params->trigger_button;
effect.condition.interval = params->trigger_repeat_interval;
effect.condition.direction.type = SDL_HAPTIC_SPHERICAL;
effect.condition.direction.dir[0] = direction;
effect.condition.direction.dir[1] = params->direction[1];
if (params->condition_count >= 1)
{
effect.condition.right_sat[0] = params->condition[0].positive_saturation;
effect.condition.left_sat[0] = params->condition[0].negative_saturation;
effect.condition.right_coeff[0] = params->condition[0].positive_coefficient;
effect.condition.left_coeff[0] = params->condition[0].negative_coefficient;
effect.condition.deadband[0] = params->condition[0].dead_band;
effect.condition.center[0] = params->condition[0].center_point_offset;
}
if (params->condition_count >= 2)
{
effect.condition.right_sat[1] = params->condition[1].positive_saturation;
effect.condition.left_sat[1] = params->condition[1].negative_saturation;
effect.condition.right_coeff[1] = params->condition[1].positive_coefficient;
effect.condition.left_coeff[1] = params->condition[1].negative_coefficient;
effect.condition.deadband[1] = params->condition[1].dead_band;
effect.condition.center[1] = params->condition[1].center_point_offset;
}
break;
case PID_USAGE_ET_CONSTANT_FORCE:
effect.constant.length = (params->duration == 0xffff ? SDL_HAPTIC_INFINITY : params->duration);
effect.constant.delay = params->start_delay;
effect.constant.button = params->trigger_button;
effect.constant.interval = params->trigger_repeat_interval;
effect.constant.direction.type = SDL_HAPTIC_SPHERICAL;
effect.constant.direction.dir[0] = direction;
effect.constant.direction.dir[1] = params->direction[1];
effect.constant.level = (params->constant_force.magnitude * params->gain_percent) / 100;
effect.constant.attack_length = params->envelope.attack_time;
effect.constant.attack_level = params->envelope.attack_level;
effect.constant.fade_length = params->envelope.fade_time;
effect.constant.fade_level = params->envelope.fade_level;
break;
/* According to the SDL documentation, ramp effect doesn't
* support SDL_HAPTIC_INFINITY. */
case PID_USAGE_ET_RAMP:
effect.ramp.length = params->duration;
effect.ramp.delay = params->start_delay;
effect.ramp.button = params->trigger_button;
effect.ramp.interval = params->trigger_repeat_interval;
effect.ramp.direction.type = SDL_HAPTIC_SPHERICAL;
effect.ramp.direction.dir[0] = params->direction[0];
effect.ramp.direction.dir[1] = params->direction[1];
effect.ramp.start = (params->ramp_force.ramp_start * params->gain_percent) / 100;
effect.ramp.end = (params->ramp_force.ramp_end * params->gain_percent) / 100;
effect.ramp.attack_length = params->envelope.attack_time;
effect.ramp.attack_level = params->envelope.attack_level;
effect.ramp.fade_length = params->envelope.fade_time;
effect.ramp.fade_level = params->envelope.fade_level;
break;
case PID_USAGE_ET_CUSTOM_FORCE_DATA:
FIXME("not implemented!\n");
break;
}
if (id < 0) impl->effect_ids[index] = pSDL_HapticNewEffect(impl->sdl_haptic, &effect);
else pSDL_HapticUpdateEffect(impl->sdl_haptic, id, &effect);
return STATUS_SUCCESS;
}
static const struct hid_device_vtbl sdl_device_vtbl =
{
sdl_device_destroy,
sdl_device_start,
sdl_device_stop,
sdl_device_haptics_start,
sdl_device_haptics_stop,
sdl_device_physical_device_control,
sdl_device_physical_device_set_gain,
sdl_device_physical_effect_control,
sdl_device_physical_effect_update,
};
static void check_device_effects_state(struct sdl_device *impl)
{
struct unix_device *iface = &impl->unix_device;
struct hid_effect_state *effect_state = &iface->hid_physical.effect_state;
ULONG effect_flags = InterlockedOr(&impl->effect_flags, 0);
unsigned int i, ret;
if (!impl->sdl_haptic) return;
if (!(impl->effect_support & EFFECT_SUPPORT_PHYSICAL)) return;
for (i = 0; i < ARRAY_SIZE(impl->effect_ids); ++i)
{
if (impl->effect_ids[i] == -1) continue;
if (!(impl->effect_support & SDL_HAPTIC_STATUS)) ret = 1;
else ret = pSDL_HapticGetEffectStatus(impl->sdl_haptic, impl->effect_ids[i]);
if (impl->effect_state[i] == ret) continue;
impl->effect_state[i] = ret;
hid_device_set_effect_state(iface, i, effect_flags | (ret == 1 ? EFFECT_STATE_EFFECT_PLAYING : 0));
bus_event_queue_input_report(&event_queue, iface, effect_state->report_buf, effect_state->report_len);
}
}
static void check_all_devices_effects_state(void)
{
static UINT last_ticks = 0;
UINT ticks = pSDL_GetTicks();
struct sdl_device *impl;
if (ticks - last_ticks < 10) return;
last_ticks = ticks;
pthread_mutex_lock(&sdl_cs);
LIST_FOR_EACH_ENTRY(impl, &device_list, struct sdl_device, unix_device.entry)
check_device_effects_state(impl);
pthread_mutex_unlock(&sdl_cs);
}
static BOOL set_report_from_joystick_event(struct sdl_device *impl, SDL_Event *event)
{
struct unix_device *iface = &impl->unix_device;
struct hid_device_state *state = &iface->hid_device_state;
if (impl->sdl_controller) return TRUE; /* use controller events instead */
switch (event->type)
{
case SDL_JOYBUTTONDOWN:
case SDL_JOYBUTTONUP:
{
SDL_JoyButtonEvent *ie = &event->jbutton;
hid_device_set_button(iface, ie->button, ie->state);
bus_event_queue_input_report(&event_queue, iface, state->report_buf, state->report_len);
break;
}
case SDL_JOYAXISMOTION:
{
SDL_JoyAxisEvent *ie = &event->jaxis;
if (!hid_device_set_abs_axis(iface, ie->axis, ie->value)) break;
bus_event_queue_input_report(&event_queue, iface, state->report_buf, state->report_len);
break;
}
case SDL_JOYBALLMOTION:
{
SDL_JoyBallEvent *ie = &event->jball;
if (!hid_device_set_rel_axis(iface, 2 * ie->ball, ie->xrel)) break;
hid_device_set_rel_axis(iface, 2 * ie->ball + 1, ie->yrel);
bus_event_queue_input_report(&event_queue, iface, state->report_buf, state->report_len);
break;
}
case SDL_JOYHATMOTION:
{
SDL_JoyHatEvent *ie = &event->jhat;
set_hat_value(iface, ie->hat, ie->value);
bus_event_queue_input_report(&event_queue, iface, state->report_buf, state->report_len);
break;
}
default:
ERR("TODO: Process Report (0x%x)\n",event->type);
}
check_device_effects_state(impl);
return FALSE;
}
static BOOL set_report_from_controller_event(struct sdl_device *impl, SDL_Event *event)
{
struct unix_device *iface = &impl->unix_device;
struct hid_device_state *state = &iface->hid_device_state;
switch (event->type)
{
case SDL_CONTROLLERBUTTONDOWN:
case SDL_CONTROLLERBUTTONUP:
{
SDL_ControllerButtonEvent *ie = &event->cbutton;
int button;
switch ((button = ie->button))
{
case SDL_CONTROLLER_BUTTON_DPAD_UP:
hid_device_move_hatswitch(iface, 0, 0, ie->state ? -1 : +1);
break;
case SDL_CONTROLLER_BUTTON_DPAD_DOWN:
hid_device_move_hatswitch(iface, 0, 0, ie->state ? +1 : -1);
break;
case SDL_CONTROLLER_BUTTON_DPAD_LEFT:
hid_device_move_hatswitch(iface, 0, ie->state ? -1 : +1, 0);
break;
case SDL_CONTROLLER_BUTTON_DPAD_RIGHT:
hid_device_move_hatswitch(iface, 0, ie->state ? +1 : -1, 0);
break;
case SDL_CONTROLLER_BUTTON_LEFTSHOULDER: button = 4; break;
case SDL_CONTROLLER_BUTTON_RIGHTSHOULDER: button = 5; break;
case SDL_CONTROLLER_BUTTON_BACK: button = 6; break;
case SDL_CONTROLLER_BUTTON_START: button = 7; break;
case SDL_CONTROLLER_BUTTON_LEFTSTICK: button = 8; break;
case SDL_CONTROLLER_BUTTON_RIGHTSTICK: button = 9; break;
case SDL_CONTROLLER_BUTTON_GUIDE: button = 10; break;
}
hid_device_set_button(iface, button, ie->state);
bus_event_queue_input_report(&event_queue, iface, state->report_buf, state->report_len);
break;
}
case SDL_CONTROLLERAXISMOTION:
{
SDL_ControllerAxisEvent *ie = &event->caxis;
hid_device_set_abs_axis(iface, ie->axis, ie->value);
bus_event_queue_input_report(&event_queue, iface, state->report_buf, state->report_len);
break;
}
default:
ERR("TODO: Process Report (%x)\n",event->type);
}
check_device_effects_state(impl);
return FALSE;
}
static void sdl_add_device(unsigned int index)
{
struct device_desc desc =
{
.input = -1,
.manufacturer = {'S','D','L',0},
.serialnumber = {'0','0','0','0',0},
};
struct sdl_device *impl;
SDL_Joystick* joystick;
SDL_JoystickID id;
SDL_GameController *controller = NULL;
const char *product, *sdl_serial;
char guid_str[33], buffer[ARRAY_SIZE(desc.product)];
int axis_count, axis_offset;
if ((joystick = pSDL_JoystickOpen(index)) == NULL)
{
WARN("Unable to open sdl device %i: %s\n", index, pSDL_GetError());
return;
}
if (options.map_controllers && pSDL_IsGameController(index))
controller = pSDL_GameControllerOpen(index);
if (controller) product = pSDL_GameControllerName(controller);
else product = pSDL_JoystickName(joystick);
if (!product) product = "Joystick";
id = pSDL_JoystickInstanceID(joystick);
if (pSDL_JoystickGetProductVersion != NULL) {
desc.vid = pSDL_JoystickGetVendor(joystick);
desc.pid = pSDL_JoystickGetProduct(joystick);
desc.version = pSDL_JoystickGetProductVersion(joystick);
}
else
{
desc.vid = 0x01;
desc.pid = pSDL_JoystickInstanceID(joystick) + 1;
desc.version = 0;
}
if (pSDL_JoystickGetSerial && (sdl_serial = pSDL_JoystickGetSerial(joystick)))
{
ntdll_umbstowcs(sdl_serial, strlen(sdl_serial) + 1, desc.serialnumber, ARRAY_SIZE(desc.serialnumber));
}
else
{
/* Overcooked! All You Can Eat only adds controllers with unique serial numbers
* Prefer keeping serial numbers unique over keeping them consistent across runs */
pSDL_JoystickGetGUIDString(pSDL_JoystickGetGUID(joystick), guid_str, sizeof(guid_str));
snprintf(buffer, sizeof(buffer), "%s.%d", guid_str, index);
TRACE("Making up serial number for %s: %s\n", product, buffer);
ntdll_umbstowcs(buffer, strlen(buffer) + 1, desc.serialnumber, ARRAY_SIZE(desc.serialnumber));
}
if (controller)
{
desc.is_gamepad = TRUE;
desc.usages.UsagePage = HID_USAGE_PAGE_GENERIC;
desc.usages.Usage = HID_USAGE_GENERIC_GAMEPAD;
axis_count = 6;
}
else
{
int button_count = pSDL_JoystickNumButtons(joystick);
axis_count = pSDL_JoystickNumAxes(joystick);
desc.is_gamepad = (axis_count == 6 && button_count >= 14);
desc.usages.UsagePage = HID_USAGE_PAGE_GENERIC;
desc.usages.Usage = HID_USAGE_GENERIC_JOYSTICK;
}
for (axis_offset = 0; axis_offset < axis_count; axis_offset += (options.split_controllers ? 6 : axis_count))
{
if (!axis_offset) strcpy(buffer, product);
else snprintf(buffer, ARRAY_SIZE(buffer), "%s %d", product, axis_offset / 6);
ntdll_umbstowcs(buffer, strlen(buffer) + 1, desc.product, ARRAY_SIZE(desc.product));
TRACE("%s id %d, axis_offset %u, desc %s.\n", controller ? "controller" : "joystick", id, axis_offset, debugstr_device_desc(&desc));
if (!(impl = hid_device_create(&sdl_device_vtbl, sizeof(struct sdl_device)))) return;
list_add_tail(&device_list, &impl->unix_device.entry);
impl->sdl_joystick = joystick;
impl->sdl_controller = controller;
impl->id = id;
impl->axis_offset = axis_offset;
bus_event_queue_device_created(&event_queue, &impl->unix_device, &desc);
}
}
static void process_device_event(SDL_Event *event)
{
struct sdl_device *impl;
SDL_JoystickID id;
TRACE("Received action %x\n", event->type);
pthread_mutex_lock(&sdl_cs);
if (event->type == SDL_JOYDEVICEADDED)
sdl_add_device(((SDL_JoyDeviceEvent *)event)->which);
else if (event->type == SDL_JOYDEVICEREMOVED)
{
id = ((SDL_JoyDeviceEvent *)event)->which;
impl = find_device_from_id(id);
if (impl) bus_event_queue_device_removed(&event_queue, &impl->unix_device);
else WARN("Failed to find device with id %d\n", id);
}
else if (event->type == SDL_JOYAXISMOTION && options.split_controllers)
{
id = event->jaxis.which;
impl = find_device_from_id_and_axis(id, event->jaxis.axis);
if (!impl) WARN("Failed to find device with id %d for axis %d\n", id, event->jaxis.axis);
else if (!impl->started) WARN("Device %p with id %d is stopped, ignoring event %#x\n", impl, id, event->type);
else
{
event->jaxis.axis -= impl->axis_offset;
set_report_from_joystick_event(impl, event);
}
}
else if (event->type >= SDL_JOYAXISMOTION && event->type <= SDL_JOYBUTTONUP)
{
id = ((SDL_JoyButtonEvent *)event)->which;
impl = find_device_from_id(id);
if (!impl) WARN("Failed to find device with id %d\n", id);
else if (!impl->started) WARN("Device %p with id %d is stopped, ignoring event %#x\n", impl, id, event->type);
else set_report_from_joystick_event(impl, event);
}
else if (event->type >= SDL_CONTROLLERAXISMOTION && event->type <= SDL_CONTROLLERBUTTONUP)
{
id = ((SDL_ControllerButtonEvent *)event)->which;
impl = find_device_from_id(id);
if (!impl) WARN("Failed to find device with id %d\n", id);
else if (!impl->started) WARN("Device %p with id %d is stopped, ignoring event %#x\n", impl, id, event->type);
else set_report_from_controller_event(impl, event);
}
pthread_mutex_unlock(&sdl_cs);
}
NTSTATUS sdl_bus_init(void *args)
{
const char *mapping;
int i;
TRACE("args %p\n", args);
options = *(struct sdl_bus_options *)args;
if (!(sdl_handle = dlopen(SONAME_LIBSDL2, RTLD_NOW)))
{
WARN("could not load %s\n", SONAME_LIBSDL2);
return STATUS_UNSUCCESSFUL;
}
#define LOAD_FUNCPTR(f) \
if ((p##f = dlsym(sdl_handle, #f)) == NULL) \
{ \
WARN("could not find symbol %s\n", #f); \
goto failed; \
}
LOAD_FUNCPTR(SDL_GetError);
LOAD_FUNCPTR(SDL_Init);
LOAD_FUNCPTR(SDL_JoystickClose);
LOAD_FUNCPTR(SDL_JoystickEventState);
LOAD_FUNCPTR(SDL_JoystickGetGUID);
LOAD_FUNCPTR(SDL_JoystickGetGUIDString);
LOAD_FUNCPTR(SDL_JoystickInstanceID);
LOAD_FUNCPTR(SDL_JoystickName);
LOAD_FUNCPTR(SDL_JoystickNumAxes);
LOAD_FUNCPTR(SDL_JoystickOpen);
LOAD_FUNCPTR(SDL_WaitEventTimeout);
LOAD_FUNCPTR(SDL_JoystickNumButtons);
LOAD_FUNCPTR(SDL_JoystickNumBalls);
LOAD_FUNCPTR(SDL_JoystickNumHats);
LOAD_FUNCPTR(SDL_JoystickGetAxis);
LOAD_FUNCPTR(SDL_JoystickGetHat);
LOAD_FUNCPTR(SDL_IsGameController);
LOAD_FUNCPTR(SDL_GameControllerClose);
LOAD_FUNCPTR(SDL_GameControllerGetAxis);
LOAD_FUNCPTR(SDL_GameControllerGetButton);
LOAD_FUNCPTR(SDL_GameControllerName);
LOAD_FUNCPTR(SDL_GameControllerOpen);
LOAD_FUNCPTR(SDL_GameControllerEventState);
LOAD_FUNCPTR(SDL_HapticClose);
LOAD_FUNCPTR(SDL_HapticDestroyEffect);
LOAD_FUNCPTR(SDL_HapticGetEffectStatus);
LOAD_FUNCPTR(SDL_HapticNewEffect);
LOAD_FUNCPTR(SDL_HapticOpenFromJoystick);
LOAD_FUNCPTR(SDL_HapticPause);
LOAD_FUNCPTR(SDL_HapticQuery);
LOAD_FUNCPTR(SDL_HapticRumbleInit);
LOAD_FUNCPTR(SDL_HapticRumblePlay);
LOAD_FUNCPTR(SDL_HapticRumbleStop);
LOAD_FUNCPTR(SDL_HapticRumbleSupported);
LOAD_FUNCPTR(SDL_HapticRunEffect);
LOAD_FUNCPTR(SDL_HapticSetGain);
LOAD_FUNCPTR(SDL_HapticSetAutocenter);
LOAD_FUNCPTR(SDL_HapticStopAll);
LOAD_FUNCPTR(SDL_HapticStopEffect);
LOAD_FUNCPTR(SDL_HapticUnpause);
LOAD_FUNCPTR(SDL_HapticUpdateEffect);
LOAD_FUNCPTR(SDL_JoystickIsHaptic);
LOAD_FUNCPTR(SDL_GameControllerAddMapping);
LOAD_FUNCPTR(SDL_RegisterEvents);
LOAD_FUNCPTR(SDL_PushEvent);
LOAD_FUNCPTR(SDL_GetTicks);
#undef LOAD_FUNCPTR
pSDL_JoystickRumble = dlsym(sdl_handle, "SDL_JoystickRumble");
pSDL_JoystickRumbleTriggers = dlsym(sdl_handle, "SDL_JoystickRumbleTriggers");
pSDL_JoystickGetProduct = dlsym(sdl_handle, "SDL_JoystickGetProduct");
pSDL_JoystickGetProductVersion = dlsym(sdl_handle, "SDL_JoystickGetProductVersion");
pSDL_JoystickGetVendor = dlsym(sdl_handle, "SDL_JoystickGetVendor");
pSDL_JoystickGetType = dlsym(sdl_handle, "SDL_JoystickGetType");
pSDL_JoystickGetSerial = dlsym(sdl_handle, "SDL_JoystickGetSerial");
if (pSDL_Init(SDL_INIT_GAMECONTROLLER | SDL_INIT_HAPTIC) < 0)
{
ERR("could not init SDL: %s\n", pSDL_GetError());
goto failed;
}
if ((quit_event = pSDL_RegisterEvents(1)) == -1)
{
ERR("error registering quit event\n");
goto failed;
}
pSDL_JoystickEventState(SDL_ENABLE);
pSDL_GameControllerEventState(SDL_ENABLE);
/* Process mappings */
if (pSDL_GameControllerAddMapping)
{
if ((mapping = getenv("SDL_GAMECONTROLLERCONFIG")))
{
TRACE("Setting environment mapping %s\n", debugstr_a(mapping));
if (pSDL_GameControllerAddMapping(mapping) < 0)
WARN("Failed to add environment mapping %s\n", pSDL_GetError());
}
else for (i = 0; i < options.mappings_count; ++i)
{
TRACE("Setting registry mapping %s\n", debugstr_a(options.mappings[i]));
if (pSDL_GameControllerAddMapping(options.mappings[i]) < 0)
WARN("Failed to add registry mapping %s\n", pSDL_GetError());
}
}
return STATUS_SUCCESS;
failed:
dlclose(sdl_handle);
sdl_handle = NULL;
return STATUS_UNSUCCESSFUL;
}
NTSTATUS sdl_bus_wait(void *args)
{
struct bus_event *result = args;
SDL_Event event;
/* cleanup previously returned event */
bus_event_cleanup(result);
do
{
if (bus_event_queue_pop(&event_queue, result)) return STATUS_PENDING;
if (pSDL_WaitEventTimeout(&event, 10) != 0) process_device_event(&event);
else check_all_devices_effects_state();
} while (event.type != quit_event);
TRACE("SDL main loop exiting\n");
bus_event_queue_destroy(&event_queue);
dlclose(sdl_handle);
sdl_handle = NULL;
return STATUS_SUCCESS;
}
NTSTATUS sdl_bus_stop(void *args)
{
SDL_Event event;
if (!sdl_handle) return STATUS_SUCCESS;
event.type = quit_event;
if (pSDL_PushEvent(&event) != 1)
{
ERR("error pushing quit event\n");
return STATUS_UNSUCCESSFUL;
}
return STATUS_SUCCESS;
}
#else
NTSTATUS sdl_bus_init(void *args)
{
WARN("SDL support not compiled in!\n");
return STATUS_NOT_IMPLEMENTED;
}
NTSTATUS sdl_bus_wait(void *args)
{
WARN("SDL support not compiled in!\n");
return STATUS_NOT_IMPLEMENTED;
}
NTSTATUS sdl_bus_stop(void *args)
{
WARN("SDL support not compiled in!\n");
return STATUS_NOT_IMPLEMENTED;
}
#endif /* SONAME_LIBSDL2 */
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