M CHANGES → CHANGES

@@ -8,6 +8,7 @@ - Qt: Fix hang if audio sync is enabled and audio fails to initialize
  - GBA BIOS: Fix RegisterRamReset setting DISPCNT to the wrong value
  - OpenGL: Correct boolean vector strcmp strings for uniforms
  - Wii: Fix tilting direction
+ - SDL: Fix joystick initialization on BS
 Misc:
  - GBA: Slightly optimize GBAProcessEvents
  - Qt: Add preset for DualShock 4

M src/platform/sdl/sdl-events.c → src/platform/sdl/sdl-events.c

@@ -62,6 +62,19 @@ int nJoysticks = SDL_NumJoysticks();
 	SDL_JoystickListInit(&context->joysticks, nJoysticks);
 	if (nJoysticks > 0) {
 		mSDLUpdateJoysticks(context);
+		// Some OSes don't do hotplug detection
+		if (!SDL_JoystickListSize(&context->joysticks)) {
+			int i;
+			for (i = 0; i < nJoysticks; ++i) {
+				struct SDL_JoystickCombo* joystick = SDL_JoystickListAppend(&context->joysticks);
+				joystick->joystick = SDL_JoystickOpen(i);
+				joystick->id = SDL_JoystickInstanceID(joystick->joystick);
+				joystick->index = SDL_JoystickListSize(&context->joysticks) - 1;
+#if SDL_VERSION_ATLEAST(2, 0, 0)
+				joystick->haptic = SDL_HapticOpenFromJoystick(joystick->joystick);
+#endif
+			}
+		}
 	}
 
 	context->playersAttached = 0;