From 93f73fd55b6d10ee912f8a86326660413d8853f6 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Thu, 17 Feb 2011 09:26:15 -0800
Subject: [PATCH] Our minimum Windows version is Windows 2000, so it's okay to
 directly call InitializeCriticalSectionAndSpinCount()..

---
 src/core/windows/SDL_windows.h       |  4 ++--
 src/thread/windows/SDL_sysmutex.c    | 20 ++++----------------
 src/video/windows/SDL_windowsmouse.c |  7 -------
 3 files changed, 6 insertions(+), 25 deletions(-)
 mode change 100644 => 100755 src/core/windows/SDL_windows.h
 mode change 100644 => 100755 src/thread/windows/SDL_sysmutex.c
 mode change 100644 => 100755 src/video/windows/SDL_windowsmouse.c

diff --git a/src/core/windows/SDL_windows.h b/src/core/windows/SDL_windows.h
old mode 100644
new mode 100755
index a7622168e..44513b39f
--- a/src/core/windows/SDL_windows.h
+++ b/src/core/windows/SDL_windows.h
@@ -30,8 +30,8 @@
 #ifndef UNICODE
 #define UNICODE 1
 #endif
-#undef WINVER
-#define WINVER  0x500           /* Need 0x410 for AlphaBlend() and 0x500 for EnumDisplayDevices() */
+#undef _WIN32_WINNT
+#define _WIN32_WINNT  0x500   /* Need 0x410 for AlphaBlend() and 0x500 for EnumDisplayDevices() */
 
 #include <windows.h>
 
diff --git a/src/thread/windows/SDL_sysmutex.c b/src/thread/windows/SDL_sysmutex.c
old mode 100644
new mode 100755
index fbcb1d3e1..0b00dbf4e
--- a/src/thread/windows/SDL_sysmutex.c
+++ b/src/thread/windows/SDL_sysmutex.c
@@ -38,29 +38,17 @@ SDL_mutex *
 SDL_CreateMutex(void)
 {
     SDL_mutex *mutex;
-    static DWORD (WINAPI*pf_SetCriticalSectionSpinCount)(LPCRITICAL_SECTION, DWORD) = NULL;
-    static HMODULE kernel32 = NULL;
-
-    /* One time logic - detect WinNT */
-    if(kernel32 == NULL) {
-        kernel32 = GetModuleHandleA("kernel32.dll");
-		if(kernel32) {
-            /* Attempt to resolve symbol -- Win9x gets NULL */
-            pf_SetCriticalSectionSpinCount = (DWORD (WINAPI*)(LPCRITICAL_SECTION, DWORD))GetProcAddress(kernel32, "SetCriticalSectionSpinCount");
-        }
-		else
-			kernel32 = (HMODULE)0x01; /* don't try to init again */
-	}
-
 
     /* Allocate mutex memory */
     mutex = (SDL_mutex *) SDL_malloc(sizeof(*mutex));
     if (mutex) {
         /* Initialize */
+#ifdef _WIN32_WCE
         InitializeCriticalSection(&mutex->cs);
-
+#else
         /* On SMP systems, a non-zero spin count generally helps performance */
-        if(pf_SetCriticalSectionSpinCount) pf_SetCriticalSectionSpinCount(&mutex->cs, 2000);
+        InitializeCriticalSectionAndSpinCount(&mutex->cs, 2000);
+#endif
     } else {
         SDL_OutOfMemory();
     }
diff --git a/src/video/windows/SDL_windowsmouse.c b/src/video/windows/SDL_windowsmouse.c
old mode 100644
new mode 100755
index 800e32e54..efb243b6b
--- a/src/video/windows/SDL_windowsmouse.c
+++ b/src/video/windows/SDL_windowsmouse.c
@@ -20,13 +20,6 @@
     slouken@libsdl.org
 */
 
-/* we need to define it, so that raw input is included*/
-
-#if (_WIN32_WINNT < 0x0501)
-#undef _WIN32_WINNT
-#define _WIN32_WINNT 0x0501
-#endif
-
 #include "SDL_config.h"
 
 #include "SDL_windowsvideo.h"