Add Chromium-only Blender WebEngine parity work

tools/web/generate-topology-fixture.py

@@ -0,0 +1,26 @@
+import sys
+
+import bpy
+
+
+def add_mesh(name, vertices, faces):
+    mesh = bpy.data.meshes.new(name)
+    mesh.from_pydata(vertices, [], faces)
+    mesh.update()
+    obj = bpy.data.objects.new(name + "Object", mesh)
+    bpy.context.collection.objects.link(obj)
+    return obj
+
+
+def main(output_path: str) -> None:
+    bpy.ops.wm.read_factory_settings(use_empty=True)
+    add_mesh("OpenQuad", [(-1, -1, 0), (1, -1, 0), (1, 1, 0), (-1, 1, 0)], [(0, 1, 2, 3)])
+    add_mesh("OpenNgon", [(0, 1, 0), (1, 0.3, 0), (0.6, -1, 0), (-0.6, -1, 0), (-1, 0.3, 0)], [(0, 1, 2, 3, 4)])
+    add_mesh("NonManifold", [(0, 0, 0), (1, 0, 0), (0, 1, 0), (0, 0, 1), (0, -1, 0)], [(0, 1, 2), (0, 3, 1), (0, 1, 4)])
+    bpy.ops.wm.save_as_mainfile(filepath=output_path, compress=True)
+
+
+if __name__ == "__main__":
+    if "--" not in sys.argv or len(sys.argv) <= sys.argv.index("--") + 1:
+        raise SystemExit("usage: blender -b --python generate-topology-fixture.py -- output.blend")
+    main(sys.argv[sys.argv.index("--") + 1])