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Use RoInitialize/RoUninitialize for Windows.Gaming.Input

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Thanks @walbourn!

Fixes https://github.com/libsdl-org/SDL/issues/5270
This commit is contained in:
Sam Lantinga 2022-04-01 14:58:33 -07:00
parent 1c9299b00d
commit 8ebef12d31
4 changed files with 68 additions and 78 deletions
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14
src/joystick/windows/SDL_rawinputjoystick.c
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@ -565,22 +565,19 @@ RAWINPUT_InitWindowsGamingInput(RAWINPUT_DeviceContext *ctx)
if (!wgi_state.initialized) {
static const IID SDL_IID_IGamepadStatics = { 0x8BBCE529, 0xD49C, 0x39E9, { 0x95, 0x60, 0xE4, 0x7D, 0xDE, 0x96, 0xB7, 0xC8 } };
HRESULT hr;
HMODULE hModule;
/* I think this takes care of RoInitialize() in a way that is compatible with the rest of SDL */
if (FAILED(WIN_CoInitialize())) {
if (FAILED(WIN_RoInitialize())) {
return;
}
wgi_state.initialized = SDL_TRUE;
wgi_state.dirty = SDL_TRUE;
hModule = LoadLibraryA("combase.dll");
if (hModule != NULL) {
{
typedef HRESULT (WINAPI *WindowsCreateStringReference_t)(PCWSTR sourceString, UINT32 length, HSTRING_HEADER *hstringHeader, HSTRING* string);
typedef HRESULT (WINAPI *RoGetActivationFactory_t)(HSTRING activatableClassId, REFIID iid, void** factory);
WindowsCreateStringReference_t WindowsCreateStringReferenceFunc = (WindowsCreateStringReference_t)GetProcAddress(hModule, "WindowsCreateStringReference");
RoGetActivationFactory_t RoGetActivationFactoryFunc = (RoGetActivationFactory_t)GetProcAddress(hModule, "RoGetActivationFactory");
WindowsCreateStringReference_t WindowsCreateStringReferenceFunc = (WindowsCreateStringReference_t)WIN_LoadComBaseFunction("WindowsCreateStringReference");
RoGetActivationFactory_t RoGetActivationFactoryFunc = (RoGetActivationFactory_t)WIN_LoadComBaseFunction("RoGetActivationFactory");
if (WindowsCreateStringReferenceFunc && RoGetActivationFactoryFunc) {
PCWSTR pNamespace = L"Windows.Gaming.Input.Gamepad";
HSTRING_HEADER hNamespaceStringHeader;
@ -591,7 +588,6 @@ RAWINPUT_InitWindowsGamingInput(RAWINPUT_DeviceContext *ctx)
RoGetActivationFactoryFunc(hNamespaceString, &SDL_IID_IGamepadStatics, (void **)&wgi_state.gamepad_statics);
}
}
FreeLibrary(hModule);
}
}
}
@ -657,7 +653,7 @@ RAWINPUT_QuitWindowsGamingInput(RAWINPUT_DeviceContext *ctx)
__x_ABI_CWindows_CGaming_CInput_CIGamepadStatics_Release(wgi_state.gamepad_statics);
wgi_state.gamepad_statics = NULL;
}
WIN_CoUninitialize();
WIN_RoUninitialize();
wgi_state.initialized = SDL_FALSE;
}
}