public void LoadModelsWithGpuMeshInstancingExtension(string fileFilter)
{
TestContext.CurrentContext.AttachShowDirLink();
TestContext.CurrentContext.AttachGltfValidatorLinks();
var f = TestFiles.GetMeshIntancingModelPaths().FirstOrDefault(item => item.Contains(fileFilter));
var model = _LoadModel(f, false);
var ff = System.IO.Path.GetFileNameWithoutExtension(f);
model.AttachToCurrentTest($"{ff}.loaded.glb");
// perform roundtrip
var roundtripDefault = model.DefaultScene
.ToSceneBuilder() // glTF to SceneBuilder
.ToGltf2(Scenes.SceneBuilderSchema2Settings.Default); // SceneBuilder to glTF
var roundtripInstanced = model.DefaultScene
.ToSceneBuilder() // glTF to SceneBuilder
.ToGltf2(Scenes.SceneBuilderSchema2Settings.WithGpuInstancing); // SceneBuilder to glTF
// compare bounding spheres
var modelBounds = Runtime.MeshDecoder.EvaluateBoundingBox(model.DefaultScene);
var rtripDefBounds = Runtime.MeshDecoder.EvaluateBoundingBox(roundtripDefault.DefaultScene);
var rtripGpuBounds = Runtime.MeshDecoder.EvaluateBoundingBox(roundtripInstanced.DefaultScene);
Assert.AreEqual(modelBounds, rtripDefBounds);
Assert.AreEqual(modelBounds, rtripGpuBounds);
// save results
roundtripDefault.AttachToCurrentTest($"{ff}.roundtrip.default.glb");
roundtripInstanced.AttachToCurrentTest($"{ff}.roundtrip.instancing.glb");
}
