[jgardou] 46909: [WIN32K] - apply policy into DC_vPrepareDCsForBlit as in GDIOBJ_LockMultipleObjects before Physicus sees this :-D - GDIOBJ_LockObj : return NULL when handle is NULL : more speed, less debug output

Author: jgardou
Date: Sat Apr 17 22:51:42 2010
New Revision: 46909

URL: http://svn.reactos.org/svn/reactos?rev=46909&view=rev
Log:
[WIN32K]
  - apply policy into DC_vPrepareDCsForBlit as in GDIOBJ_LockMultipleObjects before
Physicus sees this :-D
  - GDIOBJ_LockObj : return NULL when handle is NULL : more speed, less debug output

Modified:
    branches/reactos-yarotows/subsystems/win32/win32k/objects/dclife.c
    branches/reactos-yarotows/subsystems/win32/win32k/objects/gdiobj.c

Modified: branches/reactos-yarotows/subsystems/win32/win32k/objects/dclife.c
URL:
http://svn.reactos.org/svn/reactos/branches/reactos-yarotows/subsystems/win…
==============================================================================
--- branches/reactos-yarotows/subsystems/win32/win32k/objects/dclife.c [iso-8859-1]
(original)
+++ branches/reactos-yarotows/subsystems/win32/win32k/objects/dclife.c [iso-8859-1] Sat
Apr 17 22:51:42 2010
@@ -463,15 +463,50 @@
                       PDC pdc2,
                       RECT rc2)
 {
-    if(pdc1->dctype == DCTYPE_DIRECT)
-    {
-        EngAcquireSemaphore(pdc1->ppdev->hsemDevLock);
-        MouseSafetyOnDrawStart(&pdc1->dclevel.pSurface->SurfObj, rc1.left,
rc1.top, rc1.right, rc1.bottom) ;
-    }
-    if(pdc2 && pdc2->dctype == DCTYPE_DIRECT)
-    {
-        EngAcquireSemaphore(pdc2->ppdev->hsemDevLock);
-        MouseSafetyOnDrawStart(&pdc2->dclevel.pSurface->SurfObj, rc2.left,
rc2.top, rc2.right, rc2.bottom) ;
+    PDC pdcFirst, pdcSecond;
+    PRECT prcFirst, prcSecond;
+    /* Lock them in good order */
+    if(pdc2)
+    {
+        if((ULONG_PTR)pdc1->BaseObject.hHmgr >=
(ULONG_PTR)pdc2->BaseObject.hHmgr)
+        {
+            pdcFirst = pdc1;
+            prcFirst = &rc1;
+            pdcSecond = pdc2;
+            prcSecond = &rc2;
+        }
+        else
+        {
+            pdcFirst = pdc2;
+            prcFirst = &rc2;
+            pdcSecond = pdc1;
+            prcSecond = &rc1;
+        }
+    }
+    else
+    {
+        pdcFirst = pdc1 ;
+        prcFirst = &rc1;
+        pdcSecond = NULL ;
+    }
+
+    if(pdcFirst && pdcFirst->dctype == DCTYPE_DIRECT)
+    {
+        EngAcquireSemaphore(pdcFirst->ppdev->hsemDevLock);
+        MouseSafetyOnDrawStart(&pdcFirst->dclevel.pSurface->SurfObj,
+                                    prcFirst->left,
+                                    prcFirst->top,
+                                    prcFirst->right,
+                                    prcFirst->bottom) ;
+    }
+    if(pdcSecond && pdcSecond->dctype == DCTYPE_DIRECT)
+    {
+        EngAcquireSemaphore(pdcSecond->ppdev->hsemDevLock);
+        MouseSafetyOnDrawStart(&pdcSecond->dclevel.pSurface->SurfObj,
+                                    prcSecond->left,
+                                    prcSecond->top,
+                                    prcSecond->right,
+                                    prcSecond->bottom) ;
     }
 }
 

Modified: branches/reactos-yarotows/subsystems/win32/win32k/objects/gdiobj.c
URL:
http://svn.reactos.org/svn/reactos/branches/reactos-yarotows/subsystems/win…
==============================================================================
--- branches/reactos-yarotows/subsystems/win32/win32k/objects/gdiobj.c [iso-8859-1]
(original)
+++ branches/reactos-yarotows/subsystems/win32/win32k/objects/gdiobj.c [iso-8859-1] Sat
Apr 17 22:51:42 2010
@@ -952,6 +952,10 @@
     POBJ Object = NULL;
     ULONG HandleType, HandleUpper;
 
+    /* Check for dummy call */
+    if(hObj == NULL)
+        return NULL ;
+
     GDIDBG_INITLOOPTRACE();
 
     HandleIndex = GDI_HANDLE_GET_INDEX(hObj);
@@ -959,7 +963,7 @@
     HandleUpper = GDI_HANDLE_GET_UPPER(hObj);
 
     /* Check that the handle index is valid. */
-    if (HandleIndex >= GDI_HANDLE_COUNT)
+    if (HandleIndex >= GDI_HANDLE_COUNT )
         return NULL;
 
     Entry = &GdiHandleTable->Entries[HandleIndex];