diff --git a/src/joystick/SDL_steam_virtual_gamepad.c b/src/joystick/SDL_steam_virtual_gamepad.c index 403f7e7041..5d225ebac6 100644 --- a/src/joystick/SDL_steam_virtual_gamepad.c +++ b/src/joystick/SDL_steam_virtual_gamepad.c @@ -31,6 +31,9 @@ #include #include #endif +#ifdef __LINUX__ +#include +#endif #define SDL_HINT_STEAM_VIRTUAL_GAMEPAD_INFO_FILE "SteamVirtualGamepadInfo" @@ -123,6 +126,28 @@ static void AddVirtualGamepadInfo(int slot, SDL_SteamVirtualGamepadInfo *info) SDL_zerop(info); } +#ifdef __LINUX__ +static const char *SDL_GetExeName(void) +{ + const char *proc_name = NULL; + static char linkfile[1024]; + int linksize; + const char *proc_path = "/proc/self/exe"; + + linksize = readlink(proc_path, linkfile, sizeof(linkfile) - 1); + if (linksize > 0) { + linkfile[linksize] = '\0'; + proc_name = SDL_strrchr(linkfile, '/'); + if (proc_name) { + ++proc_name; + } else { + proc_name = linkfile; + } + } + return proc_name; +} +#endif /* __LINUX__ */ + void SDL_InitSteamVirtualGamepadInfo(void) { const char *file; @@ -131,6 +156,16 @@ void SDL_InitSteamVirtualGamepadInfo(void) file = SDL_GetHint(SDL_HINT_STEAM_VIRTUAL_GAMEPAD_INFO_FILE); if (file && *file) { +#ifdef __LINUX__ + /* Older versions of Wine will blacklist the Steam Virtual Gamepad if + * it appears to have the real controller's VID/PID, so ignore this. + */ + const char *exe = SDL_GetExeName(); + if (exe && SDL_strcmp(exe, "wine64-preloader") == 0) { + SDL_LogDebug(SDL_LOG_CATEGORY_INPUT, "Wine launched by Steam, ignoring %s", SDL_HINT_STEAM_VIRTUAL_GAMEPAD_INFO_FILE); + return; + } +#endif SDL_steam_virtual_gamepad_info_file = SDL_strdup(file); } SDL_UpdateSteamVirtualGamepadInfo();