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/hidapi/SDL_hidapi_combined.c | 236 +++++++++++++++++++++ 1 file changed, 236 insertions(+) create mode 100644 contrib/SDL-3.2.8/src/joystick/hidapi/SDL_hidapi_combined.c (limited to 'contrib/SDL-3.2.8/src/joystick/hidapi/SDL_hidapi_combined.c') diff --git a/contrib/SDL-3.2.8/src/joystick/hidapi/SDL_hidapi_combined.c b/contrib/SDL-3.2.8/src/joystick/hidapi/SDL_hidapi_combined.c new file mode 100644 index 0000000..5426edb --- /dev/null +++ b/contrib/SDL-3.2.8/src/joystick/hidapi/SDL_hidapi_combined.c @@ -0,0 +1,236 @@ +/* + 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. +*/ +// This driver supports the Nintendo Switch Joy-Cons pair controllers +#include "SDL_internal.h" + +#ifdef SDL_JOYSTICK_HIDAPI + +#include "SDL_hidapijoystick_c.h" +#include "../SDL_sysjoystick.h" + +static void HIDAPI_DriverCombined_RegisterHints(SDL_HintCallback callback, void *userdata) +{ +} + +static void HIDAPI_DriverCombined_UnregisterHints(SDL_HintCallback callback, void *userdata) +{ +} + +static bool HIDAPI_DriverCombined_IsEnabled(void) +{ + return true; +} + +static bool HIDAPI_DriverCombined_IsSupportedDevice(SDL_HIDAPI_Device *device, const char *name, SDL_GamepadType type, Uint16 vendor_id, Uint16 product_id, Uint16 version, int interface_number, int interface_class, int interface_subclass, int interface_protocol) +{ + // This is always explicitly created for combined devices + return false; +} + +static bool HIDAPI_DriverCombined_InitDevice(SDL_HIDAPI_Device *device) +{ + return HIDAPI_JoystickConnected(device, NULL); +} + +static int HIDAPI_DriverCombined_GetDevicePlayerIndex(SDL_HIDAPI_Device *device, SDL_JoystickID instance_id) +{ + return -1; +} + +static void HIDAPI_DriverCombined_SetDevicePlayerIndex(SDL_HIDAPI_Device *device, SDL_JoystickID instance_id, int player_index) +{ +} + +static bool HIDAPI_DriverCombined_OpenJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick) +{ + int i; + char *serial = NULL, *new_serial; + size_t serial_length = 0, new_length; + + SDL_AssertJoysticksLocked(); + + for (i = 0; i < device->num_children; ++i) { + SDL_HIDAPI_Device *child = device->children[i]; + if (!child->driver->OpenJoystick(child, joystick)) { + child->broken = true; + + while (i-- > 0) { + child = device->children[i]; + child->driver->CloseJoystick(child, joystick); + } + if (serial) { + SDL_free(serial); + } + return false; + } + + // Extend the serial number with the child serial number + if (joystick->serial) { + new_length = serial_length + 1 + SDL_strlen(joystick->serial); + new_serial = (char *)SDL_realloc(serial, new_length); + if (new_serial) { + if (serial) { + SDL_strlcat(new_serial, ",", new_length); + SDL_strlcat(new_serial, joystick->serial, new_length); + } else { + SDL_strlcpy(new_serial, joystick->serial, new_length); + } + serial = new_serial; + serial_length = new_length; + } + SDL_free(joystick->serial); + joystick->serial = NULL; + } + } + + // Update the joystick with the combined serial numbers + if (joystick->serial) { + SDL_free(joystick->serial); + } + joystick->serial = serial; + + return true; +} + +static bool HIDAPI_DriverCombined_RumbleJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble) +{ + int i; + bool result = false; + + for (i = 0; i < device->num_children; ++i) { + SDL_HIDAPI_Device *child = device->children[i]; + if (child->driver->RumbleJoystick(child, joystick, low_frequency_rumble, high_frequency_rumble)) { + result = true; + } + } + return result; +} + +static bool HIDAPI_DriverCombined_RumbleJoystickTriggers(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint16 left_rumble, Uint16 right_rumble) +{ + int i; + bool result = false; + + for (i = 0; i < device->num_children; ++i) { + SDL_HIDAPI_Device *child = device->children[i]; + if (child->driver->RumbleJoystickTriggers(child, joystick, left_rumble, right_rumble)) { + result = true; + } + } + return result; +} + +static Uint32 HIDAPI_DriverCombined_GetJoystickCapabilities(SDL_HIDAPI_Device *device, SDL_Joystick *joystick) +{ + int i; + Uint32 caps = 0; + + for (i = 0; i < device->num_children; ++i) { + SDL_HIDAPI_Device *child = device->children[i]; + caps |= child->driver->GetJoystickCapabilities(child, joystick); + } + return caps; +} + +static bool HIDAPI_DriverCombined_SetJoystickLED(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint8 red, Uint8 green, Uint8 blue) +{ + int i; + bool result = false; + + for (i = 0; i < device->num_children; ++i) { + SDL_HIDAPI_Device *child = device->children[i]; + if (child->driver->SetJoystickLED(child, joystick, red, green, blue)) { + result = true; + } + } + return result; +} + +static bool HIDAPI_DriverCombined_SendJoystickEffect(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, const void *data, int size) +{ + return SDL_Unsupported(); +} + +static bool HIDAPI_DriverCombined_SetJoystickSensorsEnabled(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, bool enabled) +{ + int i; + bool result = false; + + for (i = 0; i < device->num_children; ++i) { + SDL_HIDAPI_Device *child = device->children[i]; + if (child->driver->SetJoystickSensorsEnabled(child, joystick, enabled)) { + result = true; + } + } + return result; +} + +static bool HIDAPI_DriverCombined_UpdateDevice(SDL_HIDAPI_Device *device) +{ + int i; + int result = true; + + for (i = 0; i < device->num_children; ++i) { + SDL_HIDAPI_Device *child = device->children[i]; + if (!child->driver->UpdateDevice(child)) { + result = false; + } + } + return result; +} + +static void HIDAPI_DriverCombined_CloseJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick) +{ + int i; + + for (i = 0; i < device->num_children; ++i) { + SDL_HIDAPI_Device *child = device->children[i]; + child->driver->CloseJoystick(child, joystick); + } +} + +static void HIDAPI_DriverCombined_FreeDevice(SDL_HIDAPI_Device *device) +{ +} + +SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverCombined = { + "SDL_JOYSTICK_HIDAPI_COMBINED", + true, + HIDAPI_DriverCombined_RegisterHints, + HIDAPI_DriverCombined_UnregisterHints, + HIDAPI_DriverCombined_IsEnabled, + HIDAPI_DriverCombined_IsSupportedDevice, + HIDAPI_DriverCombined_InitDevice, + HIDAPI_DriverCombined_GetDevicePlayerIndex, + HIDAPI_DriverCombined_SetDevicePlayerIndex, + HIDAPI_DriverCombined_UpdateDevice, + HIDAPI_DriverCombined_OpenJoystick, + HIDAPI_DriverCombined_RumbleJoystick, + HIDAPI_DriverCombined_RumbleJoystickTriggers, + HIDAPI_DriverCombined_GetJoystickCapabilities, + HIDAPI_DriverCombined_SetJoystickLED, + HIDAPI_DriverCombined_SendJoystickEffect, + HIDAPI_DriverCombined_SetJoystickSensorsEnabled, + HIDAPI_DriverCombined_CloseJoystick, + HIDAPI_DriverCombined_FreeDevice, +}; + +#endif // SDL_JOYSTICK_HIDAPI -- cgit v1.2.3