From 662f1546cff7b1fb0b9a04cb37731919ef485da3 Mon Sep 17 00:00:00 2001
From: Magnus Olsen <magnus@greatlord.com>
Date: Thu, 14 Dec 2006 20:03:06 +0000
Subject: [PATCH] create backbuffer works, left todo is to implement getattach
 surface.

svn path=/trunk/; revision=25164
---
 reactos/dll/directx/ddraw/createsurface.c   | 15 +++++++++++---
 reactos/dll/directx/ddraw/ddraw.rbuild      |  1 +
 reactos/dll/directx/ddraw/main/ddraw_main.c | 23 +++++++++++++++------
 3 files changed, 30 insertions(+), 9 deletions(-)

diff --git a/reactos/dll/directx/ddraw/createsurface.c b/reactos/dll/directx/ddraw/createsurface.c
index 6f72452e972..b28c7c0cdd1 100644
--- a/reactos/dll/directx/ddraw/createsurface.c
+++ b/reactos/dll/directx/ddraw/createsurface.c
@@ -6,8 +6,11 @@ CreateBackBufferSurface(LPDDRAWI_DIRECTDRAW_INT This,
               LPDDRAWI_DDRAWSURFACE_INT That,
               LPDDSURFACEDESC2 pDDSD)
 {
+    DDHAL_CANCREATESURFACEDATA mDdCanCreateSurface;
+    DDHAL_CREATESURFACEDATA mDdCreateSurface;
     DWORD t;
 
+
     /* we are building the backbuffersurface pointer list 
      * and create the backbuffer surface and set it up 
      */
@@ -44,7 +47,7 @@ CreateBackBufferSurface(LPDDRAWI_DIRECTDRAW_INT This,
             return DDERR_OUTOFMEMORY;
         }
 
-        memcpy(That->lpLcl->lpGbl, &ddSurfGbl,sizeof(DDRAWI_DDRAWSURFACE_GBL);
+        memcpy(That->lpLcl->lpGbl, &ddSurfGbl,sizeof(DDRAWI_DDRAWSURFACE_GBL));
         That->lpVtbl = &DirectDrawSurface7_Vtable;
         That->lpLcl->lpSurfMore->dwSize = sizeof(DDRAWI_DDRAWSURFACE_MORE);
         That->lpLcl->lpSurfMore->lpDD_int = This;
@@ -112,7 +115,13 @@ CreateBackBufferSurface(LPDDRAWI_DIRECTDRAW_INT This,
             return mDdCreateSurface.ddRVal;
         }
 
-        This->lpLcl->lpGbl->dsList[t] = That;
-    }
+        /* Build the linking buffer */
+        if (This->lpLcl->lpGbl->dsList != NULL)
+        {
+            This->lpLink = This->lpLcl->lpGbl->dsList;
+        }
+        This->lpLcl->lpGbl->dsList = That;
 
+    }
+   return DD_OK;
 }
diff --git a/reactos/dll/directx/ddraw/ddraw.rbuild b/reactos/dll/directx/ddraw/ddraw.rbuild
index 86d56e2a8ed..84f2733e37a 100644
--- a/reactos/dll/directx/ddraw/ddraw.rbuild
+++ b/reactos/dll/directx/ddraw/ddraw.rbuild
@@ -20,6 +20,7 @@
 	<file>main.c</file>
 	<file>startup.c</file>
 	<file>cleanup.c</file>
+	<file>createsurface.c</file>
 
 	<file>iface_clipper.c</file>
 	<file>iface_color.c</file>
diff --git a/reactos/dll/directx/ddraw/main/ddraw_main.c b/reactos/dll/directx/ddraw/main/ddraw_main.c
index b6ae6b96719..6df6822f5d9 100644
--- a/reactos/dll/directx/ddraw/main/ddraw_main.c
+++ b/reactos/dll/directx/ddraw/main/ddraw_main.c
@@ -167,9 +167,9 @@ HRESULT WINAPI Main_DirectDraw_CreateSurface (LPDIRECTDRAW7 iface, LPDDSURFACEDE
 {
     
     LPDDRAWI_DIRECTDRAW_INT This = (LPDDRAWI_DIRECTDRAW_INT)iface;
-    LPDDRAWI_DDRAWSURFACE_INT That; 
+    LPDDRAWI_DDRAWSURFACE_INT That = NULL;
     DDHAL_CANCREATESURFACEDATA mDdCanCreateSurface;
-    DDHAL_CREATESURFACEDATA mDdCreateSurface;	
+    DDHAL_CREATESURFACEDATA mDdCreateSurface;
 
     if (pUnkOuter!=NULL) 
     {
@@ -236,6 +236,8 @@ HRESULT WINAPI Main_DirectDraw_CreateSurface (LPDIRECTDRAW7 iface, LPDDSURFACEDE
 
     if (pDDSD->dwFlags & DDSD_BACKBUFFERCOUNT)
     {
+        HRESULT retValue;
+
         if (! pDDSD->ddsCaps.dwCaps & (DDSCAPS_FLIP | DDSCAPS_COMPLEX))
         {
             return DDERR_INVALIDPARAMS;
@@ -243,11 +245,20 @@ HRESULT WINAPI Main_DirectDraw_CreateSurface (LPDIRECTDRAW7 iface, LPDDSURFACEDE
 
         if (pDDSD->dwBackBufferCount != 0)
         {
-            This->lpLcl->lpGbl->dsList = DxHeapMemAlloc(sizeof(DDRAWI_DIRECTDRAW_INT) * 
-                                                        pDDSD->dwBackBufferCount);
+            This->lpLcl->lpGbl->dsList = NULL;
+            //DxHeapMemAlloc(sizeof(DDRAWI_DIRECTDRAW_INT));
+        }
+        else
+        {
+            return DDERR_INVALIDSURFACETYPE;
         }
 
-        // CreateBackBufferSurface(This,That,pDDSD);
+        retValue = CreateBackBufferSurface(This,That,pDDSD);
+        if (retValue != DD_OK)
+        {
+            DX_STUB_str( "Fail to create backbuffer surface");
+            return retValue;
+        }
     }
 
 
@@ -819,7 +830,7 @@ Main_DirectDraw_SetCooperativeLevel (LPDIRECTDRAW7 iface, HWND hwnd, DWORD coopl
 
     /* This code should be a callback */
     This->lpLcl->hWnd = hwnd;
-    This->lpLcl->hFocusWnd = hwnd;	
+    This->lpLcl->hFocusWnd = hwnd;
     ReCreateDirectDraw((LPDIRECTDRAW*)iface);
 
     // TODO: