From 81666beff6798e2fcd76b804433dcd4002ba7d9e Mon Sep 17 00:00:00 2001
From: James Tabor <james.tabor@reactos.org>
Date: Thu, 23 Aug 2007 01:51:22 +0000
Subject: [PATCH] Add NtGdiFlushUserBatch callback.

svn path=/trunk/; revision=28461
---
 reactos/subsystems/win32/win32k/include/dc.h     | 2 ++
 reactos/subsystems/win32/win32k/main/dllmain.c   | 3 ++-
 reactos/subsystems/win32/win32k/objects/dcutil.c | 9 +++++++++
 reactos/subsystems/win32/win32k/w32ksvc.db       | 2 +-
 4 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/reactos/subsystems/win32/win32k/include/dc.h b/reactos/subsystems/win32/win32k/include/dc.h
index 2afd2714f8c..a0aa2005e22 100644
--- a/reactos/subsystems/win32/win32k/include/dc.h
+++ b/reactos/subsystems/win32/win32k/include/dc.h
@@ -160,6 +160,8 @@ VOID FASTCALL IntGetViewportOrgEx(PDC dc, LPPOINT pt);
 VOID FASTCALL IntGetWindowExtEx(PDC dc, LPSIZE pt);
 VOID FASTCALL IntGetWindowOrgEx(PDC dc, LPPOINT pt);
 
+NTSTATUS STDCALL NtGdiFlushUserBatch(VOID);
+
 /* For Metafile and MetaEnhFile not in windows this struct taken from wine cvs 15/9-2006*/
 typedef struct
 {
diff --git a/reactos/subsystems/win32/win32k/main/dllmain.c b/reactos/subsystems/win32/win32k/main/dllmain.c
index ff43a2f6968..3940ad90156 100644
--- a/reactos/subsystems/win32/win32k/main/dllmain.c
+++ b/reactos/subsystems/win32/win32k/main/dllmain.c
@@ -385,7 +385,8 @@ DriverEntry (
     CalloutData.DesktopDeleteProcedure = IntDesktopObjectDelete;
     CalloutData.ProcessCallout = Win32kProcessCallback;
     CalloutData.ThreadCallout = Win32kThreadCallback;
-    
+    CalloutData.BatchFlushRoutine = NtGdiFlushUserBatch;    
+
     /*
      * Register our per-process and per-thread structures.
      */
diff --git a/reactos/subsystems/win32/win32k/objects/dcutil.c b/reactos/subsystems/win32/win32k/objects/dcutil.c
index 7485de5b583..8d97427d519 100644
--- a/reactos/subsystems/win32/win32k/objects/dcutil.c
+++ b/reactos/subsystems/win32/win32k/objects/dcutil.c
@@ -55,3 +55,12 @@ NtGdiFlush(VOID)
   UNIMPLEMENTED;
 }
 
+NTSTATUS
+APIENTRY
+NtGdiFlushUserBatch(VOID)
+{
+  NTSTATUS Status = STATUS_SUCCESS;
+//  UNIMPLEMENTED;
+  return Status;
+}
+
diff --git a/reactos/subsystems/win32/win32k/w32ksvc.db b/reactos/subsystems/win32/win32k/w32ksvc.db
index 2a1e35df880..6e7744424b1 100644
--- a/reactos/subsystems/win32/win32k/w32ksvc.db
+++ b/reactos/subsystems/win32/win32k/w32ksvc.db
@@ -156,7 +156,7 @@ NtGdiExtSelectClipRgn                            3
 NtGdiFillPath                                    1
 NtGdiFillRgn                                     3
 NtGdiFlattenPath                                 1
-# NtGdiFlushUserBatch                            0
+NtGdiFlushUserBatch                              0
 NtGdiFlush                                       0
 # NtGdiForceUFIMapping                           2
 NtGdiFrameRgn                                    5