From 78a54aa150c40cf3d87de7e2ae44a3b10b4dae1d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?G=C3=A9=20van=20Geldorp?= <ge@gse.nl>
Date: Sun, 6 Feb 2005 18:24:31 +0000
Subject: [PATCH] Properly synchronize with GPU

svn path=/trunk/; revision=13444
---
 reactos/include/win32k/driver.h     |  3 +++
 reactos/subsys/win32k/eng/misc.c    | 14 ++++++++++++++
 reactos/subsys/win32k/misc/driver.c |  1 +
 3 files changed, 18 insertions(+)

diff --git a/reactos/include/win32k/driver.h b/reactos/include/win32k/driver.h
index d93effbf172..a18ff7d7648 100644
--- a/reactos/include/win32k/driver.h
+++ b/reactos/include/win32k/driver.h
@@ -97,6 +97,8 @@ typedef LONG (STDCALL *PGD_QUERYSPOOLTYPE)(DHPDEV, LPWSTR);
 
 typedef BOOL (STDCALL *PGD_GRADIENTFILL)(SURFOBJ*, CLIPOBJ*, XLATEOBJ*, TRIVERTEX*, ULONG, PVOID, ULONG, RECTL*, POINTL*, ULONG);
 
+typedef VOID (STDCALL *PGD_SYNCHRONIZESURFACE)(SURFOBJ*, RECTL *, FLONG);
+
 typedef struct _DRIVER_FUNCTIONS
 {
   PGD_ENABLEDRIVER  EnableDriver;
@@ -158,6 +160,7 @@ typedef struct _DRIVER_FUNCTIONS
   PGD_DISABLEDIRECTDRAW  DisableDirectDraw;
   PGD_QUERYSPOOLTYPE  QuerySpoolType;
   PGD_GRADIENTFILL  GradientFill;
+  PGD_SYNCHRONIZESURFACE SynchronizeSurface;
 } DRIVER_FUNCTIONS, *PDRIVER_FUNCTIONS;
 
 BOOL  DRIVER_RegisterDriver(LPCWSTR  Name, PGD_ENABLEDRIVER  EnableDriver);
diff --git a/reactos/subsys/win32k/eng/misc.c b/reactos/subsys/win32k/eng/misc.c
index 7fea4feecf0..2fcba3b633a 100644
--- a/reactos/subsys/win32k/eng/misc.c
+++ b/reactos/subsys/win32k/eng/misc.c
@@ -123,6 +123,20 @@ IntEngEnter(PINTENG_ENTER_LEAVE EnterLeave,
     *OutputObj = DestObj;
     }
 
+  if (NULL != *OutputObj
+      && 0 != (((BITMAPOBJ*) *OutputObj)->flHooks & HOOK_SYNCHRONIZE))
+    {
+      if (NULL != GDIDEVFUNCS(*OutputObj).SynchronizeSurface)
+        {
+          GDIDEVFUNCS(*OutputObj).SynchronizeSurface(*OutputObj, DestRect, 0);
+        }
+      else if (STYPE_BITMAP == (*OutputObj)->iType
+               && NULL != GDIDEVFUNCS(*OutputObj).Synchronize)
+        {
+          GDIDEVFUNCS(*OutputObj).Synchronize((*OutputObj)->dhpdev, DestRect);
+        }
+    }
+
   EnterLeave->DestObj = DestObj;
   EnterLeave->OutputObj = *OutputObj;
   EnterLeave->ReadOnly = ReadOnly;
diff --git a/reactos/subsys/win32k/misc/driver.c b/reactos/subsys/win32k/misc/driver.c
index 5ce41fd4ed4..67618a1400e 100644
--- a/reactos/subsys/win32k/misc/driver.c
+++ b/reactos/subsys/win32k/misc/driver.c
@@ -239,6 +239,7 @@ BOOL DRIVER_BuildDDIFunctions(PDRVENABLEDATA  DED,
     DRIVER_FUNCTION(DisableDirectDraw);
     DRIVER_FUNCTION(QuerySpoolType);
     DRIVER_FUNCTION(GradientFill);
+    DRIVER_FUNCTION(SynchronizeSurface);
 
   END_FUNCTION_MAP();