diff options
Diffstat (limited to 'platform/windows')
-rw-r--r-- | platform/windows/joypad_windows.cpp | 37 |
1 files changed, 23 insertions, 14 deletions
diff --git a/platform/windows/joypad_windows.cpp b/platform/windows/joypad_windows.cpp index 0cff12ca8c..271a4e41bc 100644 --- a/platform/windows/joypad_windows.cpp +++ b/platform/windows/joypad_windows.cpp @@ -33,10 +33,6 @@ #include <oleauto.h> #include <wbemidl.h> -#ifndef __GNUC__ -#define __builtin_bswap32 _byteswap_ulong -#endif - #if defined(__GNUC__) // Workaround GCC warning from -Wcast-function-type. #define GetProcAddress (void *)GetProcAddress @@ -67,17 +63,25 @@ JoypadWindows::JoypadWindows(HWND *hwnd) { for (int i = 0; i < JOYPADS_MAX; i++) attached_joypads[i] = false; - HRESULT result; - result = DirectInput8Create(GetModuleHandle(nullptr), DIRECTINPUT_VERSION, IID_IDirectInput8, (void **)&dinput, nullptr); - if (FAILED(result)) { - printf("failed init DINPUT: %ld\n", result); + HRESULT result = DirectInput8Create(GetModuleHandle(nullptr), DIRECTINPUT_VERSION, IID_IDirectInput8, (void **)&dinput, nullptr); + if (result == DI_OK) { + probe_joypads(); + } else { + ERR_PRINT("Couldn't initialize DirectInput. Error: " + itos(result)); + if (result == DIERR_OUTOFMEMORY) { + ERR_PRINT("The Windows DirectInput subsystem could not allocate sufficient memory."); + ERR_PRINT("Rebooting your PC may solve this issue."); + } + // Ensure dinput is still a nullptr. + dinput = nullptr; } - probe_joypads(); } JoypadWindows::~JoypadWindows() { close_joypad(); - dinput->Release(); + if (dinput) { + dinput->Release(); + } unload_xinput(); } @@ -135,6 +139,7 @@ bool JoypadWindows::is_xinput_device(const GUID *p_guid) { } bool JoypadWindows::setup_dinput_joypad(const DIDEVICEINSTANCE *instance) { + ERR_FAIL_NULL_V_MSG(dinput, false, "DirectInput not initialized. Rebooting your PC may solve this issue."); HRESULT hr; int num = input->get_unused_joy_id(); @@ -158,10 +163,13 @@ bool JoypadWindows::setup_dinput_joypad(const DIDEVICEINSTANCE *instance) { const GUID &guid = instance->guidProduct; char uid[128]; - sprintf_s(uid, "%08lx%04hx%04hx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx", - __builtin_bswap32(guid.Data1), guid.Data2, guid.Data3, - guid.Data4[0], guid.Data4[1], guid.Data4[2], guid.Data4[3], - guid.Data4[4], guid.Data4[5], guid.Data4[6], guid.Data4[7]); + + ERR_FAIL_COND_V_MSG(memcmp(&guid.Data4[2], "PIDVID", 6), false, "DirectInput device not recognised."); + WORD type = BSWAP16(0x03); + WORD vendor = BSWAP16(LOWORD(guid.Data1)); + WORD product = BSWAP16(HIWORD(guid.Data1)); + WORD version = 0; + sprintf_s(uid, "%04x%04x%04x%04x%04x%04x%04x%04x", type, 0, vendor, 0, product, 0, version, 0); id_to_change = joypad_count; @@ -266,6 +274,7 @@ void JoypadWindows::close_joypad(int id) { } void JoypadWindows::probe_joypads() { + ERR_FAIL_NULL_MSG(dinput, "DirectInput not initialized. Rebooting your PC may solve this issue."); DWORD dwResult; for (DWORD i = 0; i < XUSER_MAX_COUNT; i++) { ZeroMemory(&x_joypads[i].state, sizeof(XINPUT_STATE)); |