[greatlrd] 29780: Adding code from 2004, DxDdStartupDxGraphics, DxDdCleanupDxGraphics(), DdHmgDestroy()

Author: greatlrd
Date: Mon Oct 22 20:26:59 2007
New Revision: 29780

URL: http://svn.reactos.org/svn/reactos?rev=29780&view=rev
Log:
Adding code from 2004, DxDdStartupDxGraphics, DxDdCleanupDxGraphics(),  DdHmgDestroy()

Added:
    branches/reactx/reactos/drivers/directx/dxg/dxg.def   (with props)
Modified:
    branches/reactx/reactos/drivers/directx/dxg/dxg.rbuild
    branches/reactx/reactos/drivers/directx/dxg/main.c

Added: branches/reactx/reactos/drivers/directx/dxg/dxg.def
URL:
http://svn.reactos.org/svn/reactos/branches/reactx/reactos/drivers/directx/…
==============================================================================
--- branches/reactx/reactos/drivers/directx/dxg/dxg.def (added)
+++ branches/reactx/reactos/drivers/directx/dxg/dxg.def Mon Oct 22 20:26:59 2007
@@ -1,0 +1,9 @@
+; $Id: videoprt.def 27062 2007-06-07 21:13:06Z greatlrd $
+;
+; dxg.def - export definition file for ReactOS
+;
+EXPORTS
+DriverEntry@8
+DxDdCleanupDxGraphics@0
+DxDdStartupDxGraphics@24
+

Propchange: branches/reactx/reactos/drivers/directx/dxg/dxg.def
------------------------------------------------------------------------------
    svn:eol-style = native

Modified: branches/reactx/reactos/drivers/directx/dxg/dxg.rbuild
URL:
http://svn.reactos.org/svn/reactos/branches/reactx/reactos/drivers/directx/…
==============================================================================
--- branches/reactx/reactos/drivers/directx/dxg/dxg.rbuild (original)
+++ branches/reactx/reactos/drivers/directx/dxg/dxg.rbuild Mon Oct 22 20:26:59 2007
@@ -1,7 +1,9 @@
 <?xml version="1.0"?>
 <!DOCTYPE module SYSTEM "../../../../tools/rbuild/project.dtd">
-<module name="dxg" type="kernelmodedriver"
installbase="system32/drivers" installname="dxg.sys">
-	<include base="dxg.sys">.</include>
+<module name="dxg" type="kernelmodedriver" 
+installbase="system32/drivers" installname="dxg.sys">
+	<importlibrary definition="dxg.def" />
+	<include base="dxg">.</include>
 	<define name="__USE_W32API" />
 	<file>main.c</file>
 	<file>dxg.rc</file>

Modified: branches/reactx/reactos/drivers/directx/dxg/main.c
URL:
http://svn.reactos.org/svn/reactos/branches/reactx/reactos/drivers/directx/…
==============================================================================
--- branches/reactx/reactos/drivers/directx/dxg/main.c (original)
+++ branches/reactx/reactos/drivers/directx/dxg/main.c Mon Oct 22 20:26:59 2007
@@ -10,14 +10,7 @@
  */
 
 #include <ntddk.h>
-
-NTSTATUS
-GsDriverEntry(IN PVOID Context1,
-              IN PVOID Context2)
-{
-    /* NOTE : in windows it does a secure cookies check */
-    return DriverEntry(Context1, Context2);
-}
+#include <dxg_int.h>
 
 
 NTSTATUS
@@ -26,3 +19,127 @@
 {
     return 0;
 }
+
+NTSTATUS
+APIENTRY
+DxDdStartupDxGraphics (ULONG SizeEngDrv,
+                       PDRVENABLEDATA pDxEngDrv,
+                       ULONG SizeDxgDrv,
+                       PDRVENABLEDATA pDxgDrv,
+                       PULONG DirectDrawContext,
+                       PEPROCESS Proc )
+{
+#if 0
+    PDRVFN drv_func;
+
+    /* Test see if the data is vaild we got from win32k.sys */
+    if (size_EngDrv != sizeof(DRVENABLEDATA)) ||
+       (size_DXG_INDEX_API != sizeof(DRVENABLEDATA))
+    {
+        return STATUS_BUFFER_TOO_SMALL;
+    }
+
+    /* rest static value */
+    gpDummyPage = 0;
+    gcDummyPageRefCnt = 0;
+    ghsemDummyPage = 0;
+
+    /* 
+     * Setup internal driver functions list we got from dxg driver functions list
+     */
+    pDxgDrv->iDriverVersion = 0x80000; /* Note 12/1-2004 : DirectX 8 ? */
+    pDxgDrv->c = gcDxgFuncs;
+    pDxgDrv->pdrvfn = gaDxgFuncs;
+
+    /* check how many driver functions and fail if the value does not match */
+    if (pDxEngDrv->c !=  DXENG_INDEX_DxEngLoadImage + 1)
+    {
+        return STATUS_INTERNAL_ERROR;
+    }
+
+    /*
+     * Check if all drv functions are sorted right 
+     * and if it really are exported 
+     */
+
+    for (i=1 ; i < DXENG_INDEX_DxEngLoadImage + 1; i++)
+    {
+        drv_func = &EngDrv->pdrvfn[i];
+
+        if ((drv_func->iFunc != i) ||
+            (drv_func->pfn == 0))
+        {
+            return STATUS_INTERNAL_ERROR;
+        }
+    }
+
+    gpEngFuncs = pDxEngDrv->pdrvfn;
+
+    /* Note 12/1-2004 : Why is this set to 0x618 */
+    *DirectDrawContext = 0x618;
+
+    if (DdHmgCreate())
+    {
+        ghsemDummyPage = EngCreateSemaphore();
+
+        if (ghsemDummyPage)
+        {
+            gpepSession = Proc;
+            return STATUS_SUCCESS;
+        }
+    }
+
+    DdHmgDestroy();
+
+    if (ghsemDummyPage)
+    {
+        EngDeleteSemaphore(ghsemDummyPage);
+        ghsemDummyPage = 0;
+    }
+#endif
+    return STATUS_NO_MEMORY;
+}
+
+NTSTATUS
+DxDdCleanupDxGraphics()
+{
+#if 0
+    DdHmgDestroy();
+
+    if (!ghsemDummyPage)
+    {
+        if (!gpDummyPage)
+        {
+            ExFreePoolWithTag(gpDummyPage,0);
+            gpDummyPage = 0;
+            gcDummyPageRefCnt = 0;
+        }
+        EngDeleteSemaphore(ghsemDummyPage)
+    }
+#endif
+    return 0;
+}
+
+BOOL
+DdHmgDestroy()
+{
+#if 0
+    ghFreeDdHmgr = 0;
+    gcMaxDdHmgr = 0;
+    gcSizeDdHmgr = 0;
+    gpentDdHmgrLast = 0;
+
+    if (gpentDdHmgr)
+    {
+        EngFreeMem(gpentDdHmgr);
+        gpentDdHmgr = 0; 
+    }
+
+    if (ghsemHmgr)
+    {
+        EngDeleteSemaphore(ghsemHmgr);
+    }
+#endif
+    return TRUE;
+}
+