Stefan Dösinger : wined3d: Make sure volumes have memory allocated.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 953940aada235dd06d449a18b88627b6968a7341
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=953940aada235dd06d449a18b88627b6968a7341

Author: Stefan Dösinger <stefan at codeweavers.com>
Date:   Tue Feb 20 23:02:30 2007 +0100

wined3d: Make sure volumes have memory allocated.

---

 dlls/wined3d/volume.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/dlls/wined3d/volume.c b/dlls/wined3d/volume.c
index dc768e1..3fb3036 100644
--- a/dlls/wined3d/volume.c
+++ b/dlls/wined3d/volume.c
@@ -141,6 +141,10 @@ static HRESULT WINAPI IWineD3DVolumeImpl_LockBox(IWineD3DVolume *iface, WINED3DL
     IWineD3DVolumeImpl *This = (IWineD3DVolumeImpl *)iface;
     FIXME("(%p) : pBox=%p stub\n", This, pBox);
 
+    if(!This->resource.allocatedMemory) {
+        This->resource.allocatedMemory = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, This->resource.size);
+    }
+
     /* fixme: should we really lock as such? */
     TRACE("(%p) : box=%p, output pbox=%p, allMem=%p\n", This, pBox, pLockedVolume, This->resource.allocatedMemory);