[ros-diffs] [khornicek] 44360: - add EngCreateDeviceSurface, one step closer to working VBox video driver

Author: khornicek
Date: Wed Dec  2 13:55:44 2009
New Revision: 44360

URL: http://svn.reactos.org/svn/reactos?rev=44360&view=rev
Log:
- add EngCreateDeviceSurface, one step closer to working VBox video driver

Modified:
    branches/arwinss/reactos/subsystems/win32/win32k/eng/engsurf.c

Modified: branches/arwinss/reactos/subsystems/win32/win32k/eng/engsurf.c
URL:
http://svn.reactos.org/svn/reactos/branches/arwinss/reactos/subsystems/win3…
==============================================================================
--- branches/arwinss/reactos/subsystems/win32/win32k/eng/engsurf.c [iso-8859-1]
(original)
+++ branches/arwinss/reactos/subsystems/win32/win32k/eng/engsurf.c [iso-8859-1] Wed Dec  2
13:55:44 2009
@@ -232,8 +232,47 @@
                        IN SIZEL Size,
                        IN ULONG Format)
 {
-    UNIMPLEMENTED;
-    return NULL;
+    HSURF hSurf;
+    SURFOBJ *pso;
+    PSURFACE pSurf;
+
+    pSurf = (PSURFACE)GDIOBJ_AllocObjWithHandle(GDI_OBJECT_TYPE_BITMAP);
+
+    if (!pSurf)
+    {
+        return 0;
+    }
+
+    hSurf = pSurf->BaseObject.hHmgr;
+    GDIOBJ_SetOwnership(hSurf, NULL);
+
+    pSurf->pBitsLock = ExAllocatePoolWithTag(NonPagedPool,
+                                             sizeof(FAST_MUTEX),
+                                             TAG_SURFOBJ);
+
+    if (!pSurf->pBitsLock)
+    {
+        SURFACE_Unlock(pSurf);
+        GDIOBJ_FreeObjByHandle(hSurf, GDI_OBJECT_TYPE_BITMAP);
+        return 0;
+    }
+
+    ExInitializeFastMutex(pSurf->pBitsLock);
+
+    pso = &pSurf->SurfObj;
+    pso->dhsurf = dhSurf;
+    pso->hsurf = hSurf;
+    pso->sizlBitmap = Size;
+    pso->iBitmapFormat = Format;
+    pso->lDelta = DIB_GetDIBWidthBytes(Size.cx, BitsPerFormat(Format));
+    pso->iType = STYPE_DEVICE;
+    pso->iUniq = 0;
+
+    pSurf->flHooks = 0;
+
+    SURFACE_Unlock(pSurf);
+
+    return hSurf;
 }
 
 BOOL