libs/vkd3d: Add ID3D12Device interface stub.

libs/vkd3d/utils.c

@@ -0,0 +1,69 @@
+/*
+ * 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.
+ */
+
+#include "vkd3d_private.h"
+
+BOOL is_valid_feature_level(D3D_FEATURE_LEVEL feature_level)
+{
+    static const D3D_FEATURE_LEVEL valid_feature_levels[] =
+    {
+        D3D_FEATURE_LEVEL_12_1,
+        D3D_FEATURE_LEVEL_12_0,
+        D3D_FEATURE_LEVEL_11_1,
+        D3D_FEATURE_LEVEL_11_0,
+        D3D_FEATURE_LEVEL_10_1,
+        D3D_FEATURE_LEVEL_10_0,
+        D3D_FEATURE_LEVEL_9_3,
+        D3D_FEATURE_LEVEL_9_2,
+        D3D_FEATURE_LEVEL_9_1,
+    };
+    unsigned int i;
+
+    for (i = 0; i < ARRAY_SIZE(valid_feature_levels); ++i)
+    {
+        if (valid_feature_levels[i] == feature_level)
+            return TRUE;
+    }
+
+    return FALSE;
+}
+
+BOOL check_feature_level_support(D3D_FEATURE_LEVEL feature_level)
+{
+    return feature_level <= D3D_FEATURE_LEVEL_11_0;
+}
+
+HRESULT return_interface(IUnknown *iface, REFIID iface_riid,
+        REFIID requested_riid, void **object)
+{
+    HRESULT hr;
+
+    if (IsEqualGUID(iface_riid, requested_riid))
+    {
+        *object = iface;
+        return S_OK;
+    }
+
+    hr = IUnknown_QueryInterface(iface, requested_riid, object);
+    IUnknown_Release(iface);
+    return hr;
+}