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libobs-winrt: Add dispatcher queue API

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Suspected necessary for WGC stability.
This commit is contained in:
jpark37
2020-05-21 00:23:14 -07:00
parent cb98f456eb
commit 49bc89f2b2
5 changed files with 136 additions and 32 deletions
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libobs-winrt/winrt-dispatch.cpp
+64
View File
@@ -0,0 +1,64 @@
extern "C" EXPORT void winrt_initialize()
{
winrt::init_apartment(winrt::apartment_type::single_threaded);
}
extern "C" EXPORT void winrt_uninitialize()
{
winrt::uninit_apartment();
}
static winrt::Windows::System::DispatcherQueueController
CreateDispatcherQueueController()
{
DispatcherQueueOptions options{sizeof(DispatcherQueueOptions),
DQTYPE_THREAD_CURRENT, DQTAT_COM_STA};
winrt::Windows::System::DispatcherQueueController controller{nullptr};
winrt::check_hresult(CreateDispatcherQueueController(
options,
reinterpret_cast<
ABI::Windows::System::IDispatcherQueueController **>(
winrt::put_abi(controller))));
return controller;
}
struct winrt_disaptcher {
winrt::Windows::System::DispatcherQueueController controller{nullptr};
};
extern "C" EXPORT struct winrt_disaptcher *winrt_dispatcher_init()
{
struct winrt_disaptcher *dispatcher = NULL;
try {
if (winrt::Windows::Foundation::Metadata::ApiInformation::
IsApiContractPresent(
L"Windows.Foundation.UniversalApiContract",
5)) {
winrt::Windows::System::DispatcherQueueController
controller = CreateDispatcherQueueController();
dispatcher = new struct winrt_disaptcher;
dispatcher->controller = std::move(controller);
}
} catch (const winrt::hresult_error &err) {
blog(LOG_ERROR, "winrt_dispatcher_init (0x%08X): %ls",
err.to_abi(), err.message().c_str());
} catch (...) {
blog(LOG_ERROR, "winrt_dispatcher_init (0x%08X)",
winrt::to_hresult());
}
return dispatcher;
}
extern "C" EXPORT void
winrt_dispatcher_free(struct winrt_disaptcher *dispatcher)
try {
delete dispatcher;
} catch (const winrt::hresult_error &err) {
blog(LOG_ERROR, "winrt_dispatcher_free (0x%08X): %ls", err.to_abi(),
err.message().c_str());
} catch (...) {
blog(LOG_ERROR, "winrt_dispatcher_free (0x%08X)", winrt::to_hresult());
}