gitea/SDL3_fork
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Added Steam Virtual Gamepad support to the GameInput driver

Browse Source
This commit is contained in:
Sam Lantinga
2025-07-24 10:35:38 -07:00
parent 6babade758
commit 66dad9c21f
1 changed files with 13 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
src/joystick/gdk/SDL_gameinputjoystick.cpp
View File

@@ -52,6 +52,7 @@ typedef struct GAMEINPUT_InternalDevice
SDL_GUID guid; // generated by SDL SDL_GUID guid; // generated by SDL
SDL_JoystickID device_instance; // generated by SDL SDL_JoystickID device_instance; // generated by SDL
const GameInputDeviceInfo *info; const GameInputDeviceInfo *info;
int steam_virtual_gamepad_slot;
bool isAdded; bool isAdded;
bool isDeleteRequested; bool isDeleteRequested;
} GAMEINPUT_InternalDevice; } GAMEINPUT_InternalDevice;
@@ -83,6 +84,16 @@ static bool GAMEINPUT_InternalIsGamepad(const GameInputDeviceInfo *info)
return false; return false;
} }
static int GetSteamVirtualGamepadSlot(const char *device_path)
{
int slot = -1;
// The format for the raw input device path is documented here:
// https://partner.steamgames.com/doc/features/steam_controller/steam_input_gamepad_emulation_bestpractices
(void)SDL_sscanf(device_path, "\\\\.\\pipe\\HID#VID_045E&PID_028E&IG_00#%*X&%*X&%*X#%d#%*u", &slot);
return slot;
}
static bool GAMEINPUT_InternalAddOrFind(IGameInputDevice *pDevice) static bool GAMEINPUT_InternalAddOrFind(IGameInputDevice *pDevice)
{ {
GAMEINPUT_InternalDevice **devicelist = NULL; GAMEINPUT_InternalDevice **devicelist = NULL;
@@ -162,6 +173,7 @@ static bool GAMEINPUT_InternalAddOrFind(IGameInputDevice *pDevice)
elem->guid = SDL_CreateJoystickGUID(bus, vendor, product, version, manufacturer_string, product_string, 'g', 0); elem->guid = SDL_CreateJoystickGUID(bus, vendor, product, version, manufacturer_string, product_string, 'g', 0);
elem->device_instance = SDL_GetNextObjectID(); elem->device_instance = SDL_GetNextObjectID();
elem->info = info; elem->info = info;
elem->steam_virtual_gamepad_slot = GetSteamVirtualGamepadSlot(info->pnpPath);
g_GameInputList.devices = devicelist; g_GameInputList.devices = devicelist;
g_GameInputList.devices[g_GameInputList.count++] = elem; g_GameInputList.devices[g_GameInputList.count++] = elem;
@@ -349,7 +361,7 @@ static const char *GAMEINPUT_JoystickGetDevicePath(int device_index)
static int GAMEINPUT_JoystickGetDeviceSteamVirtualGamepadSlot(int device_index) static int GAMEINPUT_JoystickGetDeviceSteamVirtualGamepadSlot(int device_index)
{ {
return -1; return GAMEINPUT_InternalFindByIndex(device_index)->steam_virtual_gamepad_slot;
} }
static int GAMEINPUT_JoystickGetDevicePlayerIndex(int device_index) static int GAMEINPUT_JoystickGetDevicePlayerIndex(int device_index)