From 5a079a2d114f96d4847d1ee305d5b7c16eeec50e Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Sat, 27 Dec 2025 12:03:39 -0800 Subject: Initial commit --- .../src/joystick/linux/SDL_sysjoystick_c.h | 117 +++++++++++++++++++++ 1 file changed, 117 insertions(+) create mode 100644 contrib/SDL-3.2.8/src/joystick/linux/SDL_sysjoystick_c.h (limited to 'contrib/SDL-3.2.8/src/joystick/linux/SDL_sysjoystick_c.h') diff --git a/contrib/SDL-3.2.8/src/joystick/linux/SDL_sysjoystick_c.h b/contrib/SDL-3.2.8/src/joystick/linux/SDL_sysjoystick_c.h new file mode 100644 index 0000000..ae5384f --- /dev/null +++ b/contrib/SDL-3.2.8/src/joystick/linux/SDL_sysjoystick_c.h @@ -0,0 +1,117 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2025 Sam Lantinga + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. +*/ + +#ifndef SDL_sysjoystick_c_h_ +#define SDL_sysjoystick_c_h_ + +#include + +struct SDL_joylist_item; +struct SDL_sensorlist_item; + +// The private structure used to keep track of a joystick +struct joystick_hwdata +{ + int fd; + // linux driver creates a separate device for gyro/accelerometer + int fd_sensor; + struct SDL_joylist_item *item; + struct SDL_sensorlist_item *item_sensor; + SDL_GUID guid; + char *fname; // Used in haptic subsystem + + bool ff_rumble; + bool ff_sine; + struct ff_effect effect; + Uint32 effect_expiration; + + // The current Linux joystick driver maps balls to two axes + struct hwdata_ball + { + int axis[2]; + } *balls; + + // The current Linux joystick driver maps hats to two axes + struct hwdata_hat + { + int axis[2]; + } *hats; + + // Support for the Linux 2.4 unified input interface + Uint8 key_map[KEY_MAX]; + Uint8 abs_map[ABS_MAX]; + bool has_key[KEY_MAX]; + bool has_abs[ABS_MAX]; + bool has_accelerometer; + bool has_gyro; + + // Support for the classic joystick interface + bool classic; + Uint16 *key_pam; + Uint8 *abs_pam; + + struct axis_correct + { + bool use_deadzones; + + // Deadzone coefficients + int coef[3]; + + // Raw coordinate scale + int minimum; + int maximum; + float scale; + } abs_correct[ABS_MAX]; + + float accelerometer_scale[3]; + float gyro_scale[3]; + + /* Each axis is read independently, if we don't get all axis this call to + * LINUX_JoystickUpdateupdate(), store them for the next one */ + float gyro_data[3]; + float accel_data[3]; + Uint64 sensor_tick; + Sint32 last_tick; + + bool report_sensor; + bool fresh; + bool recovering_from_dropped; + bool recovering_from_dropped_sensor; + + // Steam Controller support + bool m_bSteamController; + + // 4 = (ABS_HAT3X-ABS_HAT0X)/2 (see input-event-codes.h in kernel) + int hats_indices[4]; + bool has_hat[4]; + struct hat_axis_correct + { + bool use_deadzones; + int minimum[2]; + int maximum[2]; + } hat_correct[4]; + + // Set when gamepad is pending removal due to ENODEV read error + bool gone; + bool sensor_gone; +}; + +#endif // SDL_sysjoystick_c_h_ -- cgit v1.2.3