[greatlrd] 33034: NtGdiDdCreateDirectDrawObject Bugfix : do not set pfnDdCreateDirectDrawObject before the dxg.sys been load. Add : allown loading of vista name of dx kernel known as dxkrnl.sys DxDdStartupDxGraphics add debug out for it, that can be use to see how the list being load.

Author: greatlrd
Date: Sat Apr 19 07:46:54 2008
New Revision: 33034
URL: http://svn.reactos.org/svn/reactos?rev=33034&view=rev
Log:
NtGdiDdCreateDirectDrawObject
Bugfix : do not set pfnDdCreateDirectDrawObject before the dxg.sys been load.
Add : allown loading of vista name of dx kernel known as dxkrnl.sys
DxDdStartupDxGraphics add debug out for it, that can be use to see how the list being
load.
Modified:
    trunk/reactos/subsystems/win32/win32k/ntddraw/ddraw.c
Modified: trunk/reactos/subsystems/win32/win32k/ntddraw/ddraw.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/nt…
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/ntddraw/ddraw.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/ntddraw/ddraw.c [iso-8859-1] Sat Apr 19 07:46:54
2008
@@ -51,12 +51,23 @@
     /* Loading the kernel interface of directx for win32k */
+
     ghDxGraphics = EngLoadImage(L"\\SystemRoot\\System32\\drivers\\dxg.sys");
-
-    if (ghDxGraphics == NULL)
+
+    if ( ghDxGraphics == NULL)
     {
         DPRINT1("Warning: dxg.sys not found\n");
+
+        /* try loading vista dx kernel */
+        DPRINT1("Warning: trying loading vista dxkrnl.sys\n");
+
+        ghDxGraphics =
EngLoadImage(L"\\SystemRoot\\System32\\drivers\\dxkrnl.sys");
+    }
+
+    if ( ghDxGraphics == NULL)
+    {
         Status = STATUS_DLL_NOT_FOUND;
+        DPRINT1("Warning: no ReactX or DirectX kernel driver found\n");
     }
     else
     {
@@ -105,7 +116,21 @@
                 gpDxFuncs[lstDrvFN[t].iFunc].iFunc =lstDrvFN[t].iFunc;
                 gpDxFuncs[lstDrvFN[t].iFunc].pfn =lstDrvFN[t].pfn;
             }
+
+            /* dump sort list for debuging */
+#if 1
+            DPRINT1("ghDxGraphics address 0x%08lx\n",ghDxGraphics);
+            DPRINT1("gpfnStartupDxGraphics address
0x%08lx\n",gpfnStartupDxGraphics);
+            DPRINT1("gpfnCleanupDxGraphics address
0x%08lx\n",gpfnCleanupDxGraphics);
+
+            for (t=0;t<=DXG_INDEX_DxDdIoctl;t++)
+            {
+                DPRINT1("gpDxFuncs[0x%08lx].iFunc =
0x%08lx\n",t,gpDxFuncs[t].iFunc);
+                DPRINT1("gpDxFuncs[0x%08lx].pfn =
0x%08lx\n",t,gpDxFuncs[t].pfn);
+            }
+#endif
             DPRINT1("DirectX interface is activated\n");
+
         }
         /* return the status */
     }
@@ -126,7 +151,7 @@
 STDCALL
 NtGdiDdCreateDirectDrawObject(HDC hdc)
 {
-    PGD_DDCREATEDIRECTDRAWOBJECT pfnDdCreateDirectDrawObject =
(PGD_DDCREATEDIRECTDRAWOBJECT)gpDxFuncs[DXG_INDEX_DxDdCreateDirectDrawObject].pfn;
+    PGD_DDCREATEDIRECTDRAWOBJECT pfnDdCreateDirectDrawObject;
     NTSTATUS Status;
     PEPROCESS Proc = NULL;
@@ -144,6 +169,9 @@
         DPRINT1("Warning : Failed to create the directx interface\n");
         return 0;
     }
+
+    /* get the pfnDdCreateDirectDrawObject after we load the drv */
+    pfnDdCreateDirectDrawObject =
(PGD_DDCREATEDIRECTDRAWOBJECT)gpDxFuncs[DXG_INDEX_DxDdCreateDirectDrawObject].pfn;
     if (pfnDdCreateDirectDrawObject == NULL)
     {