[PATCH] UpdateSurface should take into account the offset from the source rectangle. This fixes bugs in a demo app which uses UpdateSurface for animations.

[Roderick Colenbrander]

---
 dlls/wined3d/device.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/dlls/wined3d/device.c b/dlls/wined3d/device.c
index 4ca96e6..45469e7 100644
--- a/dlls/wined3d/device.c
+++ b/dlls/wined3d/device.c
@@ -5970,6 +5970,7 @@ static HRESULT  WINAPI  IWineD3DDeviceImpl_UpdateSurface(IWineD3DDevice *iface,
 
 
         } else {
+            const unsigned char* data =((const unsigned char *)IWineD3DSurface_GetData(pSourceSurface)) + offset;
             glTexSubImage2D(glDescription->target
                     ,glDescription->level
                     ,destLeft
@@ -5978,7 +5979,7 @@ static HRESULT  WINAPI  IWineD3DDeviceImpl_UpdateSurface(IWineD3DDevice *iface,
                     ,srcHeight
                     ,glDescription->glFormat
                     ,glDescription->glType
-                    ,IWineD3DSurface_GetData(pSourceSurface)
+                    ,data
                 );
         }
      }
-- 
1.5.3.8


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