[greatlrd] 21532: Thanks billycash to explain for me how ref counter works in ddraw. Now we free the COM when it need it (no more memory leak)

Author: greatlrd
Date: Sun Apr  9 19:07:43 2006
New Revision: 21532

URL: http://svn.reactos.ru/svn/reactos?rev=21532&view=rev
Log:
Thanks billycash to explain for me how ref counter works in ddraw. Now we free the COM when it need it (no more memory leak)

Modified:
    trunk/reactos/dll/directx/ddraw/main/ddraw_main.c
    trunk/reactos/dll/directx/ddraw/rosdraw.h

Modified: trunk/reactos/dll/directx/ddraw/main/ddraw_main.c
URL: http://svn.reactos.ru/svn/reactos/trunk/reactos/dll/directx/ddraw/main/ddraw...
==============================================================================
--- trunk/reactos/dll/directx/ddraw/main/ddraw_main.c (original)
+++ trunk/reactos/dll/directx/ddraw/main/ddraw_main.c Sun Apr  9 19:07:43 2006
@@ -118,11 +118,11 @@

IDirectDrawImpl* This = (IDirectDrawImpl*)iface;
    ULONG ref=0;
-
+    
    if (iface!=NULL)
    {
-       ref = InterlockedIncrement((PLONG)&This->mDDrawGlobal.dwRefCnt);
-	}
+        ref = InterlockedIncrement(&This->ref);       
+	}    
     return ref;
 }

@@ -143,8 +143,10 @@

if (iface!=NULL)
    {	  	
-		ref = InterlockedDecrement((PLONG)&This->mDDrawGlobal.dwRefCnt);
-    
+		ref = InterlockedDecrement(&This->ref);
+    
+        DX_WINDBG_trace_res((INT)This->mDDrawGlobal.dwRefCnt,(INT)ref,(INT)0);
+
    	if (ref == 0)
    	{
    		// set resoltion back to the one in registry
@@ -153,17 +155,11 @@
    			ChangeDisplaySettings(NULL, 0);
    		}

-
    		Hal_DirectDraw_Release(iface);
-			//Hel_DirectDraw_Release(iface);
-            
-			RtlZeroMemory(&This->mDDrawGlobal, sizeof(DDRAWI_DIRECTDRAW_GBL));
-			//RtlZeroMemory(This, sizeof(IDirectDrawImpl));	
-           
+			//Hel_DirectDraw_Release(iface);            			
             if (This!=NULL)
-            {
-              
-			  // HeapFree(GetProcessHeap(), 0, This);
+            {              
+			    HeapFree(GetProcessHeap(), 0, This);
             }
    	}
     }

Modified: trunk/reactos/dll/directx/ddraw/rosdraw.h
URL: http://svn.reactos.ru/svn/reactos/trunk/reactos/dll/directx/ddraw/rosdraw.h?...
==============================================================================
--- trunk/reactos/dll/directx/ddraw/rosdraw.h (original)
+++ trunk/reactos/dll/directx/ddraw/rosdraw.h Sun Apr  9 19:07:43 2006
@@ -74,6 +74,9 @@

/* HEL stuff */
    DWORD HELMemoryAvilable;
+
+    /* internal counter */
+    ULONG ref;

} IDirectDrawImpl;