From 99136998e2345ac5e2408f5f129c4b5d11db6c5a Mon Sep 17 00:00:00 2001
From: Vitaliy Margolen <wine-patch@kievinfo.com>
Date: Tue, 11 Apr 2006 22:09:27 -0600
Subject: [PATCH] d3d8: VertexShader should keep reference to the parent device
 object.

---
 dlls/d3d8/d3d8_private.h | 3 +++
 dlls/d3d8/device.c       | 2 ++
 dlls/d3d8/vertexshader.c | 1 +
 3 files changed, 6 insertions(+)

diff --git a/dlls/d3d8/d3d8_private.h b/dlls/d3d8/d3d8_private.h
index c0f8eb06df7..77a73c9a2ec 100644
--- a/dlls/d3d8/d3d8_private.h
+++ b/dlls/d3d8/d3d8_private.h
@@ -531,6 +531,9 @@ struct IDirect3DVertexShader8Impl {
   LONG ref;
 
   IWineD3DVertexShader             *wineD3DVertexShader;
+
+  /* Parent reference */
+  LPDIRECT3DDEVICE8                 parentDevice;
 };
 
 
diff --git a/dlls/d3d8/device.c b/dlls/d3d8/device.c
index 01764597071..259049898eb 100644
--- a/dlls/d3d8/device.c
+++ b/dlls/d3d8/device.c
@@ -1070,6 +1070,8 @@ HRESULT WINAPI IDirect3DDevice8Impl_CreateVertexShader(LPDIRECT3DDEVICE8 iface,
             FIXME("(%p) : Number of shaders exceeds the maximum number of possible shaders\n", This);
             hrc = E_OUTOFMEMORY;
         } else {
+            IUnknown_AddRef(iface);
+            object->parentDevice = iface;
             This->vShaders[i] = object;
             *ppShader = i + VS_HIGHESTFIXEDFXF + 1;
         }
diff --git a/dlls/d3d8/vertexshader.c b/dlls/d3d8/vertexshader.c
index 5bba7aafda0..f11e756fcd8 100644
--- a/dlls/d3d8/vertexshader.c
+++ b/dlls/d3d8/vertexshader.c
@@ -56,6 +56,7 @@ ULONG WINAPI IDirect3DVertexShader8Impl_Release(IDirect3DVertexShader8 *iface) {
 
     if (ref == 0) {
         IWineD3DVertexShader_Release(This->wineD3DVertexShader);
+        IUnknown_Release(This->parentDevice);
         HeapFree(GetProcessHeap(), 0, This);
     }
     return ref;