Add Chromium-only Blender WebEngine parity work

blender-5.2.0/extern/opensubdiv-source/examples/common/viewerArgsUtils.cpp

@@ -0,0 +1,75 @@
+//
+//   Copyright 2019 Pixar
+//
+//   Licensed under the terms set forth in the LICENSE.txt file available at
+//   https://opensubdiv.org/license.
+//
+
+#include "../common/viewerArgsUtils.h"
+
+#include "../../regression/common/arg_utils.h"
+#include "../../regression/common/shape_utils.h"
+#include "../common/objAnim.h"
+
+#include <stdio.h>
+
+namespace ViewerArgsUtils {
+
+const ObjAnim *
+PopulateAnimShapes(const ArgOptions &args, 
+                   std::vector<ShapeDesc> *defaultShapes)
+{
+    if (args.GetObjFiles().empty())
+        return NULL;
+
+    const ObjAnim *objAnim = ObjAnim::Create(args.GetObjFiles(),
+        args.GetDefaultScheme());
+
+    if (objAnim && defaultShapes) {
+        defaultShapes->push_back(ShapeDesc(args.GetObjFiles()[0], "", 
+            args.GetDefaultScheme()));
+    }
+
+    return objAnim;
+
+}
+
+void 
+PopulateShapes(const ArgOptions &args,
+               std::vector<ShapeDesc> *defaultShapes)
+{
+    if (defaultShapes) {
+        args.AppendObjShapes(*defaultShapes, true /* print warnings */);
+    }
+}
+
+void 
+PopulateShapesOrAnimShapes(
+    const ArgOptions &args, 
+    std::vector<ShapeDesc> *defaultShapes, 
+    const ObjAnim **objAnim)
+{
+    if (!defaultShapes)
+        return;
+
+    if (args.GetObjFiles().empty())
+        return;
+
+    if (args.GetObjsAreAnim()) {
+
+        if (!objAnim) {
+            printf("Warning: animations of objs are unsupported in this "
+                   "viewer.\n");
+            return;
+        }
+
+        *objAnim = PopulateAnimShapes(args, defaultShapes);
+
+    } else {
+
+        PopulateShapes(args, defaultShapes);
+
+    }
+}
+
+}