diff --git a/include/vkd3d.h b/include/vkd3d.h
new file mode 100644
index 00000000..dbcf4fa1
--- /dev/null
+++ b/include/vkd3d.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2016 Józef Kucia for CodeWeavers
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef __VKD3D_H
+#define __VKD3D_H
+
+#include "vkd3d_windows.h"
+#include "d3d12.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif  /* __cplusplus */
+
+struct vkd3d_device_create_info
+{
+    D3D_FEATURE_LEVEL minimum_feature_level;
+};
+
+HRESULT WINAPI vkd3d_create_device(const struct vkd3d_device_create_info *create_info,
+        REFIID riid, void **device);
+
+#ifdef __cplusplus
+}
+#endif  /* __cplusplus */
+
+#endif  /* __VKD3D_H */
diff --git a/libs/vkd3d/vkd3d_main.c b/libs/vkd3d/vkd3d_main.c
index dc15ad3d..8acab96e 100644
--- a/libs/vkd3d/vkd3d_main.c
+++ b/libs/vkd3d/vkd3d_main.c
@@ -23,31 +23,27 @@
 #define INITGUID
 #include "vkd3d_private.h"
 
-HRESULT WINAPI D3D12CreateDevice(IUnknown *adapter, D3D_FEATURE_LEVEL minimum_feature_level,
+HRESULT WINAPI vkd3d_create_device(const struct vkd3d_device_create_info *create_info,
         REFIID riid, void **device)
 {
     struct d3d12_device *object;
     HRESULT hr;
 
-    TRACE("adapter %p, minimum_feature_level %#x, riid %s, device %p.\n",
-            adapter, minimum_feature_level, debugstr_guid(riid), device);
+    TRACE("create_info %p, riid %s, device %p.\n", create_info, debugstr_guid(riid), device);
 
-    if (minimum_feature_level < D3D_FEATURE_LEVEL_11_0
-            || !is_valid_feature_level(minimum_feature_level))
+    if (create_info->minimum_feature_level < D3D_FEATURE_LEVEL_11_0
+            || !is_valid_feature_level(create_info->minimum_feature_level))
     {
-        WARN("Invalid feature level %#x.\n", minimum_feature_level);
+        WARN("Invalid feature level %#x.\n", create_info->minimum_feature_level);
         return E_INVALIDARG;
     }
 
-    if (!check_feature_level_support(minimum_feature_level))
+    if (!check_feature_level_support(create_info->minimum_feature_level))
     {
-        FIXME("Unsupported feature level %#x.\n", minimum_feature_level);
+        FIXME("Unsupported feature level %#x.\n", create_info->minimum_feature_level);
         return E_INVALIDARG;
     }
 
-    if (adapter)
-        FIXME("Ignoring adapter %p.\n", adapter);
-
     if (FAILED(hr = d3d12_device_create(&object)))
         return hr;
 
@@ -55,6 +51,22 @@ HRESULT WINAPI D3D12CreateDevice(IUnknown *adapter, D3D_FEATURE_LEVEL minimum_fe
             riid, device);
 }
 
+HRESULT WINAPI D3D12CreateDevice(IUnknown *adapter, D3D_FEATURE_LEVEL minimum_feature_level,
+        REFIID riid, void **device)
+{
+    struct vkd3d_device_create_info create_info;
+
+    TRACE("adapter %p, minimum_feature_level %#x, riid %s, device %p.\n",
+            adapter, minimum_feature_level, debugstr_guid(riid), device);
+
+    if (adapter)
+        FIXME("Ignoring adapter %p.\n", adapter);
+
+    create_info.minimum_feature_level = minimum_feature_level;
+
+    return vkd3d_create_device(&create_info, riid, device);
+}
+
 /* Events */
 HANDLE WINAPI VKD3DCreateEvent(void)
 {
diff --git a/libs/vkd3d/vkd3d_private.h b/libs/vkd3d/vkd3d_private.h
index d461a0f3..11c36975 100644
--- a/libs/vkd3d/vkd3d_private.h
+++ b/libs/vkd3d/vkd3d_private.h
@@ -25,12 +25,11 @@
 
 #define COBJMACROS
 #define NONAMELESSUNION
+#include "vkd3d.h"
 #include "vkd3d_common.h"
 #include "vkd3d_debug.h"
 #include "vkd3d_vulkan.h"
 
-#include "d3d12.h"
-
 #include <assert.h>
 #include <pthread.h>
 #include <stdbool.h>