Józef Kucia : wined3d: Make offset parameter optional in wined3d_device_get_stream_output().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 578601955c16725375147b05c85745e25e68a524
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=578601955c16725375147b05c8...

Author: Józef Kucia <jkucia(a)codeweavers.com>
Date:   Wed Nov 11 03:41:01 2015 +0100

wined3d: Make offset parameter optional in wined3d_device_get_stream_output().

Signed-off-by: Józef Kucia <jkucia(a)codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

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

diff --git a/dlls/wined3d/device.c b/dlls/wined3d/device.c
index 2960e08..170536d 100644
--- a/dlls/wined3d/device.c
+++ b/dlls/wined3d/device.c
@@ -1234,7 +1234,8 @@ struct wined3d_buffer * CDECL wined3d_device_get_stream_output(struct wined3d_de
         return NULL;
     }
 
-    *offset = device->state.stream_output[idx].offset;
+    if (offset)
+        *offset = device->state.stream_output[idx].offset;
     return device->state.stream_output[idx].buffer;
 }