[4/4] wined3d: Only copy the depth buffer if there is one

[H. Verbeet]

Changelog:
  - Only copy the depth buffer if there is one
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---

 dlls/wined3d/drawprim.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/dlls/wined3d/drawprim.c b/dlls/wined3d/drawprim.c
index 7b60054..b3ee4ce 100644
--- a/dlls/wined3d/drawprim.c
+++ b/dlls/wined3d/drawprim.c
@@ -2237,6 +2237,9 @@ static void depth_copy(IWineD3DDevice *i
     IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface;
     IWineD3DSurfaceImpl *depth_stencil = (IWineD3DSurfaceImpl *)This->depthStencilBuffer;
 
+    /* Only copy the depth buffer if there is one. */
+    if (!depth_stencil) return;
+
     /* TODO: Make this work for modes other than FBO */
     if (wined3d_settings.offscreen_rendering_mode != ORM_FBO) return;