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Diffstat (limited to 'src/osd/modules/render/drawd3d.cpp')
-rw-r--r--src/osd/modules/render/drawd3d.cpp6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/osd/modules/render/drawd3d.cpp b/src/osd/modules/render/drawd3d.cpp
index 140315620d9..ee6eca3eec9 100644
--- a/src/osd/modules/render/drawd3d.cpp
+++ b/src/osd/modules/render/drawd3d.cpp
@@ -801,8 +801,12 @@ void renderer_d3d9::update_gamma_ramp()
// device_create
//============================================================
-int renderer_d3d9::device_create(HWND device_hwnd)
+int renderer_d3d9::device_create(HWND hwnd)
{
+ // identify the actual window; this is needed so that -attach_window
+ // can work on a non-root HWND
+ HWND device_hwnd = GetAncestor(hwnd, GA_ROOT);
+
// if a device exists, free it
if (m_device != nullptr)
{