kc3-lang/SDL

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Commit fa2d5ab4972e369e1777e6de6d0cc92cac112273

David Ludwig 2015-11-26T13:51:03

WinRT: bug-fix - SDL_SetThreadPriority() didn't work on WinRT 8.x platforms WinRT 8.0 (Phone and non-Phone) didn't offer an API to set an already-created thread's priority. WinRT 8.1 offered this API, along with several other Win32 thread functions that were previously unavailable (in WinRT). This change makes WinRT 8.1+ platforms use SDL's Win32 backend. 

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diff --git a/VisualC-WinRT/WinPhone81_VS2013/SDL-WinPhone81.vcxproj b/VisualC-WinRT/WinPhone81_VS2013/SDL-WinPhone81.vcxproj
index ae13b9c..573bc42 100644
--- a/VisualC-WinRT/WinPhone81_VS2013/SDL-WinPhone81.vcxproj
+++ b/VisualC-WinRT/WinPhone81_VS2013/SDL-WinPhone81.vcxproj
@@ -123,8 +123,7 @@
     <ClInclude Include="..\..\src\SDL_internal.h" />
     <ClInclude Include="..\..\src\thread\SDL_systhread.h" />
     <ClInclude Include="..\..\src\thread\SDL_thread_c.h" />
-    <ClInclude Include="..\..\src\thread\stdcpp\SDL_sysmutex_c.h" />
-    <ClInclude Include="..\..\src\thread\stdcpp\SDL_systhread_c.h" />
+    <ClInclude Include="..\..\src\thread\windows\SDL_systhread_c.h" />
     <ClInclude Include="..\..\src\timer\SDL_timer_c.h" />
     <ClInclude Include="..\..\src\video\dummy\SDL_nullevents_c.h" />
     <ClInclude Include="..\..\src\video\dummy\SDL_nullframebuffer_c.h" />
@@ -240,11 +239,12 @@
     <ClCompile Include="..\..\src\stdlib\SDL_qsort.c" />
     <ClCompile Include="..\..\src\stdlib\SDL_stdlib.c" />
     <ClCompile Include="..\..\src\stdlib\SDL_string.c" />
-    <ClCompile Include="..\..\src\thread\generic\SDL_syssem.c" />
+    <ClCompile Include="..\..\src\thread\generic\SDL_syscond.c" />
     <ClCompile Include="..\..\src\thread\SDL_thread.c" />
-    <ClCompile Include="..\..\src\thread\stdcpp\SDL_syscond.cpp" />
-    <ClCompile Include="..\..\src\thread\stdcpp\SDL_sysmutex.cpp" />
-    <ClCompile Include="..\..\src\thread\stdcpp\SDL_systhread.cpp" />
+    <ClCompile Include="..\..\src\thread\windows\SDL_sysmutex.c" />
+    <ClCompile Include="..\..\src\thread\windows\SDL_syssem.c" />
+    <ClCompile Include="..\..\src\thread\windows\SDL_systhread.c" />
+    <ClCompile Include="..\..\src\thread\windows\SDL_systls.c" />
     <ClCompile Include="..\..\src\timer\SDL_timer.c" />
     <ClCompile Include="..\..\src\timer\windows\SDL_systimer.c" />
     <ClCompile Include="..\..\src\video\dummy\SDL_nullevents.c" />
diff --git a/VisualC-WinRT/WinPhone81_VS2013/SDL-WinPhone81.vcxproj.filters b/VisualC-WinRT/WinPhone81_VS2013/SDL-WinPhone81.vcxproj.filters
index b0e044d..907e1bf 100644
--- a/VisualC-WinRT/WinPhone81_VS2013/SDL-WinPhone81.vcxproj.filters
+++ b/VisualC-WinRT/WinPhone81_VS2013/SDL-WinPhone81.vcxproj.filters
@@ -318,12 +318,6 @@
     <ClInclude Include="..\..\src\thread\SDL_thread_c.h">
       <Filter>Source Files</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\src\thread\stdcpp\SDL_sysmutex_c.h">
-      <Filter>Source Files</Filter>
-    </ClInclude>
-    <ClInclude Include="..\..\src\thread\stdcpp\SDL_systhread_c.h">
-      <Filter>Source Files</Filter>
-    </ClInclude>
     <ClInclude Include="..\..\src\timer\SDL_timer_c.h">
       <Filter>Source Files</Filter>
     </ClInclude>
@@ -384,6 +378,9 @@
     <ClInclude Include="..\..\src\joystick\windows\SDL_xinputjoystick_c.h">
       <Filter>Source Files</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\src\thread\windows\SDL_systhread_c.h">
+      <Filter>Source Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\..\src\atomic\SDL_atomic.c">
@@ -575,21 +572,9 @@
     <ClCompile Include="..\..\src\stdlib\SDL_string.c">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\thread\generic\SDL_syssem.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="..\..\src\thread\SDL_thread.c">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\thread\stdcpp\SDL_syscond.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\..\src\thread\stdcpp\SDL_sysmutex.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\..\src\thread\stdcpp\SDL_systhread.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="..\..\src\timer\SDL_timer.c">
       <Filter>Source Files</Filter>
     </ClCompile>
@@ -686,5 +671,20 @@
     <ClCompile Include="..\..\src\joystick\windows\SDL_xinputjoystick.c">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\src\thread\windows\SDL_sysmutex.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\src\thread\windows\SDL_syssem.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\src\thread\windows\SDL_systhread.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\src\thread\windows\SDL_systls.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\src\thread\generic\SDL_syscond.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/VisualC-WinRT/WinRT81_VS2013/SDL-WinRT81.vcxproj b/VisualC-WinRT/WinRT81_VS2013/SDL-WinRT81.vcxproj
index 7665cc4..a56516e 100644
--- a/VisualC-WinRT/WinRT81_VS2013/SDL-WinRT81.vcxproj
+++ b/VisualC-WinRT/WinRT81_VS2013/SDL-WinRT81.vcxproj
@@ -136,10 +136,8 @@
     <ClInclude Include="..\..\src\SDL_fatal.h" />
     <ClInclude Include="..\..\src\SDL_hints_c.h" />
     <ClInclude Include="..\..\src\SDL_internal.h" />
-    <ClInclude Include="..\..\src\thread\SDL_systhread.h" />
     <ClInclude Include="..\..\src\thread\SDL_thread_c.h" />
-    <ClInclude Include="..\..\src\thread\stdcpp\SDL_sysmutex_c.h" />
-    <ClInclude Include="..\..\src\thread\stdcpp\SDL_systhread_c.h" />
+    <ClInclude Include="..\..\src\thread\windows\SDL_systhread_c.h" />
     <ClInclude Include="..\..\src\timer\SDL_timer_c.h" />
     <ClInclude Include="..\..\src\video\dummy\SDL_nullevents_c.h" />
     <ClInclude Include="..\..\src\video\dummy\SDL_nullframebuffer_c.h" />
@@ -273,11 +271,12 @@
     <ClCompile Include="..\..\src\stdlib\SDL_qsort.c" />
     <ClCompile Include="..\..\src\stdlib\SDL_stdlib.c" />
     <ClCompile Include="..\..\src\stdlib\SDL_string.c" />
-    <ClCompile Include="..\..\src\thread\generic\SDL_syssem.c" />
+    <ClCompile Include="..\..\src\thread\generic\SDL_syscond.c" />
     <ClCompile Include="..\..\src\thread\SDL_thread.c" />
-    <ClCompile Include="..\..\src\thread\stdcpp\SDL_syscond.cpp" />
-    <ClCompile Include="..\..\src\thread\stdcpp\SDL_sysmutex.cpp" />
-    <ClCompile Include="..\..\src\thread\stdcpp\SDL_systhread.cpp" />
+    <ClCompile Include="..\..\src\thread\windows\SDL_sysmutex.c" />
+    <ClCompile Include="..\..\src\thread\windows\SDL_syssem.c" />
+    <ClCompile Include="..\..\src\thread\windows\SDL_systhread.c" />
+    <ClCompile Include="..\..\src\thread\windows\SDL_systls.c" />
     <ClCompile Include="..\..\src\timer\SDL_timer.c" />
     <ClCompile Include="..\..\src\timer\windows\SDL_systimer.c" />
     <ClCompile Include="..\..\src\video\dummy\SDL_nullevents.c" />
diff --git a/VisualC-WinRT/WinRT81_VS2013/SDL-WinRT81.vcxproj.filters b/VisualC-WinRT/WinRT81_VS2013/SDL-WinRT81.vcxproj.filters
index 502f92c..a36811d 100644
--- a/VisualC-WinRT/WinRT81_VS2013/SDL-WinRT81.vcxproj.filters
+++ b/VisualC-WinRT/WinRT81_VS2013/SDL-WinRT81.vcxproj.filters
@@ -312,18 +312,9 @@
     <ClInclude Include="..\..\src\SDL_internal.h">
       <Filter>Source Files</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\src\thread\SDL_systhread.h">
-      <Filter>Source Files</Filter>
-    </ClInclude>
     <ClInclude Include="..\..\src\thread\SDL_thread_c.h">
       <Filter>Source Files</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\src\thread\stdcpp\SDL_sysmutex_c.h">
-      <Filter>Source Files</Filter>
-    </ClInclude>
-    <ClInclude Include="..\..\src\thread\stdcpp\SDL_systhread_c.h">
-      <Filter>Source Files</Filter>
-    </ClInclude>
     <ClInclude Include="..\..\src\timer\SDL_timer_c.h">
       <Filter>Source Files</Filter>
     </ClInclude>
@@ -399,6 +390,9 @@
     <ClInclude Include="..\..\src\haptic\windows\SDL_windowshaptic_c.h" />
     <ClInclude Include="..\..\src\haptic\windows\SDL_dinputhaptic_c.h" />
     <ClInclude Include="..\..\src\haptic\windows\SDL_xinputhaptic_c.h" />
+    <ClInclude Include="..\..\src\thread\windows\SDL_systhread_c.h">
+      <Filter>Source Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\..\src\atomic\SDL_atomic.c">
@@ -590,21 +584,9 @@
     <ClCompile Include="..\..\src\stdlib\SDL_string.c">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\thread\generic\SDL_syssem.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="..\..\src\thread\SDL_thread.c">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\thread\stdcpp\SDL_syscond.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\..\src\thread\stdcpp\SDL_sysmutex.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\..\src\thread\stdcpp\SDL_systhread.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="..\..\src\timer\SDL_timer.c">
       <Filter>Source Files</Filter>
     </ClCompile>
@@ -713,5 +695,20 @@
     <ClCompile Include="..\..\src\haptic\windows\SDL_windowshaptic.c" />
     <ClCompile Include="..\..\src\haptic\windows\SDL_xinputhaptic.c" />
     <ClCompile Include="..\..\src\haptic\windows\SDL_dinputhaptic.c" />
+    <ClCompile Include="..\..\src\thread\windows\SDL_sysmutex.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\src\thread\windows\SDL_systhread.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\src\thread\windows\SDL_systls.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\src\thread\generic\SDL_syscond.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\src\thread\windows\SDL_syssem.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/include/SDL_config_winrt.h b/include/SDL_config_winrt.h
index 2511ab9..4d29dba 100644
--- a/include/SDL_config_winrt.h
+++ b/include/SDL_config_winrt.h
@@ -175,7 +175,12 @@ typedef unsigned int uintptr_t;
 #define SDL_LOADSO_WINDOWS	1
 
 /* Enable various threading systems */
+#if (NTDDI_VERSION >= NTDDI_WINBLUE)
+#define SDL_THREAD_WINDOWS  1
+#else
+/* WinRT on Windows 8.0 and Windows Phone 8.0 don't support CreateThread() */
 #define SDL_THREAD_STDCPP   1
+#endif
 
 /* Enable various timer systems */
 #define SDL_TIMER_WINDOWS	1
diff --git a/src/thread/windows/SDL_sysmutex.c b/src/thread/windows/SDL_sysmutex.c
index a5c62cd..3b75ded 100644
--- a/src/thread/windows/SDL_sysmutex.c
+++ b/src/thread/windows/SDL_sysmutex.c
@@ -45,7 +45,11 @@ SDL_CreateMutex(void)
     if (mutex) {
         /* Initialize */
         /* On SMP systems, a non-zero spin count generally helps performance */
+#if __WINRT__
+        InitializeCriticalSectionEx(&mutex->cs, 2000, 0);
+#else
         InitializeCriticalSectionAndSpinCount(&mutex->cs, 2000);
+#endif
     } else {
         SDL_OutOfMemory();
     }
diff --git a/src/thread/windows/SDL_syssem.c b/src/thread/windows/SDL_syssem.c
index 149c275..1f0a8df 100644
--- a/src/thread/windows/SDL_syssem.c
+++ b/src/thread/windows/SDL_syssem.c
@@ -45,7 +45,11 @@ SDL_CreateSemaphore(Uint32 initial_value)
     sem = (SDL_sem *) SDL_malloc(sizeof(*sem));
     if (sem) {
         /* Create the semaphore, with max value 32K */
+#if __WINRT__
+        sem->id = CreateSemaphoreEx(NULL, initial_value, 32 * 1024, NULL, 0, SEMAPHORE_ALL_ACCESS);
+#else
         sem->id = CreateSemaphore(NULL, initial_value, 32 * 1024, NULL);
+#endif
         sem->count = initial_value;
         if (!sem->id) {
             SDL_SetError("Couldn't create semaphore");
@@ -86,7 +90,11 @@ SDL_SemWaitTimeout(SDL_sem * sem, Uint32 timeout)
     } else {
         dwMilliseconds = (DWORD) timeout;
     }
+#if __WINRT__
+    switch (WaitForSingleObjectEx(sem->id, dwMilliseconds, FALSE)) {
+#else
     switch (WaitForSingleObject(sem->id, dwMilliseconds)) {
+#endif
     case WAIT_OBJECT_0:
         InterlockedDecrement(&sem->count);
         retval = 0;
diff --git a/src/thread/windows/SDL_systhread.c b/src/thread/windows/SDL_systhread.c
index 34d70d4..9217ebc 100644
--- a/src/thread/windows/SDL_systhread.c
+++ b/src/thread/windows/SDL_systhread.c
@@ -106,7 +106,7 @@ SDL_SYS_CreateThread(SDL_Thread * thread, void *args,
                      pfnSDL_CurrentBeginThread pfnBeginThread,
                      pfnSDL_CurrentEndThread pfnEndThread)
 {
-#elif defined(__CYGWIN__)
+#elif defined(__CYGWIN__) || defined(__WINRT__)
 int
 SDL_SYS_CreateThread(SDL_Thread * thread, void *args)
 {
@@ -230,7 +230,11 @@ SDL_SYS_SetThreadPriority(SDL_ThreadPriority priority)
 void
 SDL_SYS_WaitThread(SDL_Thread * thread)
 {
+#if __WINRT__
+    WaitForSingleObjectEx(thread->handle, INFINITE, FALSE);
+#else
     WaitForSingleObject(thread->handle, INFINITE);
+#endif
     CloseHandle(thread->handle);
 }
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