Adding WinRT threading support.

include/bx/config.h

@@ -30,6 +30,7 @@
 				|| BX_PLATFORM_QNX \
 				|| BX_PLATFORM_RPI \
 				|| BX_PLATFORM_WINDOWS \
+                || BX_PLATFORM_WINRT \
 				? 1 : 0)
 #endif // BX_CONFIG_CRT_FILE_READER_WRITER
 
@@ -38,7 +39,7 @@
 #endif // BX_CONFIG_SEMAPHORE_PTHREAD
 
 #ifndef BX_CONFIG_SUPPORTS_THREADING
-#	define BX_CONFIG_SUPPORTS_THREADING !(BX_PLATFORM_EMSCRIPTEN || BX_PLATFORM_WINRT)
+#	define BX_CONFIG_SUPPORTS_THREADING !(BX_PLATFORM_EMSCRIPTEN)
 #endif // BX_CONFIG_SUPPORTS_THREADING
 
 #endif // BX_CONFIG_H_HEADER_GUARD

include/bx/sem.h

@@ -202,7 +202,11 @@ namespace bx
 	public:
 		Semaphore()
 		{
+#if BX_PLATFORM_WINRT
+            m_handle = CreateSemaphoreEx(NULL, 0, LONG_MAX, NULL, 0, SEMAPHORE_ALL_ACCESS);
+#else
 			m_handle = CreateSemaphore(NULL, 0, LONG_MAX, NULL);
+#endif
 			BX_CHECK(NULL != m_handle, "Failed to create Semaphore!");
 		}
 
@@ -219,7 +223,11 @@ namespace bx
 		bool wait(int32_t _msecs = -1) const
 		{
 			DWORD milliseconds = (0 > _msecs) ? INFINITE : _msecs;
-			return WAIT_OBJECT_0 == WaitForSingleObject(m_handle, milliseconds);
+#if BX_PLATFORM_WINRT
+			return WAIT_OBJECT_0 == WaitForSingleObjectEx(m_handle, milliseconds, FALSE);
+#else
+            return WAIT_OBJECT_0 == WaitForSingleObject(m_handle, milliseconds);
+#endif
 		}
 
 	private:

include/bx/thread.h

@@ -8,7 +8,11 @@
 
 #if BX_PLATFORM_POSIX
 #	include <pthread.h>
-#endif // BX_PLATFORM_POSIX
+#elif BX_PLATFORM_WINRT
+using namespace Platform;
+using namespace Windows::Foundation;
+using namespace Windows::System::Threading;
+#endif
 
 #include "sem.h"
 
@@ -27,7 +31,7 @@ namespace bx
 
 	public:
 		Thread()
-#if BX_PLATFORM_WINDOWS|BX_PLATFORM_XBOX360
+#if BX_PLATFORM_WINDOWS|BX_PLATFORM_XBOX360|BX_PLATFORM_WINRT
 			: m_handle(INVALID_HANDLE_VALUE)
 #elif BX_PLATFORM_POSIX
 			: m_handle(0)
@@ -65,6 +69,15 @@ namespace bx
 				, 0
 				, NULL
 				);
+#elif BX_PLATFORM_WINRT
+            m_handle = CreateEventEx(nullptr, nullptr, CREATE_EVENT_MANUAL_RESET, EVENT_ALL_ACCESS);
+            auto workItemHandler = ref new WorkItemHandler([=](IAsyncAction^)
+            {
+                m_exitCode = threadFunc(this);
+                SetEvent(m_handle);
+            }, CallbackContext::Any);
+
+            ThreadPool::RunAsync(workItemHandler, WorkItemPriority::Normal, WorkItemOptions::TimeSliced);
 #elif BX_PLATFORM_POSIX
 			int result;
 			BX_UNUSED(result);
@@ -99,6 +112,10 @@ namespace bx
 			GetExitCodeThread(m_handle, (DWORD*)&m_exitCode);
 			CloseHandle(m_handle);
 			m_handle = INVALID_HANDLE_VALUE;
+#elif BX_PLATFORM_WINRT
+            WaitForSingleObjectEx(m_handle, INFINITE, FALSE);
+            CloseHandle(m_handle);
+            m_handle = INVALID_HANDLE_VALUE;
 #elif BX_PLATFORM_POSIX
 			union
 			{
@@ -129,7 +146,7 @@ namespace bx
 			return m_fn(m_userData);
 		}
 
-#if BX_PLATFORM_WINDOWS|BX_PLATFORM_XBOX360
+#if BX_PLATFORM_WINDOWS|BX_PLATFORM_XBOX360|BX_PLATFORM_WINRT
 		static DWORD WINAPI threadFunc(LPVOID _arg)
 		{
 			Thread* thread = (Thread*)_arg;
@@ -150,7 +167,7 @@ namespace bx
 		}
 #endif // BX_PLATFORM_
 
-#if BX_PLATFORM_WINDOWS|BX_PLATFORM_XBOX360
+#if BX_PLATFORM_WINDOWS|BX_PLATFORM_XBOX360|BX_PLATFORM_WINRT
 		HANDLE m_handle;
 #elif BX_PLATFORM_POSIX
 		pthread_t m_handle;
@@ -194,7 +211,7 @@ namespace bx
 		uint32_t m_id;
 	};
 
-#else
+#elif !(BX_PLATFORM_WINRT)
 
 	class TlsData
 	{