[Java-game-lib-cvs] CVS: LWJGL/src/native/win32 org_lwjgl_Display.cpp,1.7,1.8

[Elias N. <eli...@us...>]

Update of /cvsroot/java-game-lib/LWJGL/src/native/win32
In directory sc8-pr-cvs1:/tmp/cvs-serv13855/win32

Modified Files:
	org_lwjgl_Display.cpp 
Log Message:
Added a standard system error output

Index: org_lwjgl_Display.cpp
CVS Browser:
http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/java-game-lib/LWJGL/src/native/win32/org_lwjgl_Display.cpp
===================================================================
RCS file: /cvsroot/java-game-lib/LWJGL/src/native/win32/org_lwjgl_Display.cpp,v
retrieving revision 1.7
retrieving revision 1.8
diff -u -d -r1.7 -r1.8
--- org_lwjgl_Display.cpp	24 Nov 2002 17:12:36 -0000	1.7
+++ org_lwjgl_Display.cpp	14 Dec 2002 15:23:53 -0000	1.8
@@ -53,7 +53,24 @@
 bool			oneShotInitialised = false;
 HWND			hwnd = NULL;						// Handle to the window
 HDC				hdc = NULL;							// Device context
-LPDIRECTINPUT	lpdi = NULL;
+LPDIRECTINPUT	lpdi = NULL;
+
+void dumpLastError(void) {
+	LPVOID lpMsgBuf;
+	FormatMessage( 
+		FORMAT_MESSAGE_ALLOCATE_BUFFER | 
+		FORMAT_MESSAGE_FROM_SYSTEM | 
+		FORMAT_MESSAGE_IGNORE_INSERTS,
+		NULL,
+		GetLastError(),
+		0, // Default language
+		(LPTSTR) &lpMsgBuf,
+		0,
+		NULL
+	);
+	printf("System error: %s\n", lpMsgBuf);
+	LocalFree(lpMsgBuf);
+}
 
 /*
  *	A dummy WindowProc which does nothing. Used so we can have an invisible OpenGL window
@@ -178,16 +195,14 @@
 {
 #ifdef _DEBUG
 	printf("Creating display: size %dx%d %dhz %dbpp...\n", width, height, freq, bpp);
-#endif
-
+#endif
 	if (fullscreen && SetDisplayMode(width, height, bpp, freq) != 1)
 		return JNI_FALSE;
 
 	/*
 		Register a window. This window does nothing, it's just a requirement that we get
 		a handle to it so we can do other things
-	*/
-
+	*/
 	if (!oneShotInitialised) {
 		WNDCLASS windowClass;
 
@@ -203,9 +218,10 @@
 		windowClass.lpszClassName = WINDOWCLASSNAME;
 
 		if (RegisterClass(&windowClass) == 0) {
+			dumpLastError();
 			printf("Failed to register window class\n");
 			return JNI_FALSE;
-		}
+		}
 		oneShotInitialised = true;
 	}