[greatlrd] 29743: implement DxEngLockDC and DxEngUnlockDC Documented DxEngLockDC and DxEngUnlockDC

Author: greatlrd
Date: Sun Oct 21 21:08:12 2007
New Revision: 29743

URL: http://svn.reactos.org/svn/reactos?rev=29743&view=rev
Log:
implement  DxEngLockDC and DxEngUnlockDC
Documented DxEngLockDC and DxEngUnlockDC

Modified:
    branches/reactx/reactos/subsystems/win32/win32k/ntddraw/dxeng.c

Modified: branches/reactx/reactos/subsystems/win32/win32k/ntddraw/dxeng.c
URL: http://svn.reactos.org/svn/reactos/branches/reactx/reactos/subsystems/win32/...
==============================================================================
--- branches/reactx/reactos/subsystems/win32/win32k/ntddraw/dxeng.c (original)
+++ branches/reactx/reactos/subsystems/win32/win32k/ntddraw/dxeng.c Sun Oct 21 21:08:12 2007
@@ -61,10 +61,8 @@
     {0, (PFN) NULL}, // hack for now 
 //    {DXENG_INDEX_DxEngSetDCOwner, (PFN)DxEngSetDCOwner},
     {0, (PFN) NULL}, // hack for now 
-//    {DXENG_INDEX_DxEngLockDC, (PFN)DxEngLockDC},
-    {0, (PFN) NULL}, // hack for now 
-//    {DXENG_INDEX_DxEngUnlockDC, (PFN)DxEngUnlockDC},
-    {0, (PFN) NULL}, // hack for now 
+    {DXENG_INDEX_DxEngLockDC, (PFN)DxEngLockDC},
+    {DXENG_INDEX_DxEngUnlockDC, (PFN)DxEngUnlockDC},
 //    {DXENG_INDEX_DxEngSetDCState, (PFN)DxEngGetDCState},
     {0, (PFN) NULL}, // hack for now 
 //    {DXENG_INDEX_DxEngGetDCState, (PFN)DxEngGetDCState},
@@ -172,5 +170,51 @@
 }

-
-
+/*++
+* @name DxEngLockDC
+* @implemented
+*
+* The function DxEngLockDC lock a hdc from dxg.sys 
+*
+* @param HDC hDC
+* The handle we need want lock
+*
+* @return 
+* This api return PDC or NULL depns if it sussess lock the hdc or not
+* @remarks.
+* none
+*
+*--*/
+PDC
+DxEngLockDC(HDC hDC)
+{
+    return DC_LockDc(hdc);
+}
+
+
+/*++
+* @name DxEngUnlockDC
+* @implemented
+*
+* The function DxEngUnlockDC Unlock a pDC (hdc) from dxg.sys 
+
+* @param PDC pDC
+* The handle we need unlock
+*
+* @return 
+* This api always return TRUE if it sussess or not 
+
+* @remarks.
+* none
+*
+*--*/
+BOOL
+DxEngUnlockDC(PDC pDC)
+{
+    DC_UnlockDc(pDC);
+    return TRUE;
+}
+
+
+
+