From 81cd7426c1dda660126c22b43f144b0b2b65eccc Mon Sep 17 00:00:00 2001
From: Gary Hsu <bghgary@users.noreply.github.com>
Date: Thu, 4 Apr 2024 10:31:40 -0700
Subject: [PATCH] Add missing iridescence textures to animation pointer data
 (#14945)

Also fix exception when validating glTF
---
 .../glTF/2.0/Extensions/KHR_animation_pointer.data.ts  | 10 ++++++++++
 packages/dev/loaders/src/glTF/glTFValidation.ts        |  2 +-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/packages/dev/loaders/src/glTF/2.0/Extensions/KHR_animation_pointer.data.ts b/packages/dev/loaders/src/glTF/2.0/Extensions/KHR_animation_pointer.data.ts
index d2303508aab..2f0ef2075c5 100644
--- a/packages/dev/loaders/src/glTF/2.0/Extensions/KHR_animation_pointer.data.ts
+++ b/packages/dev/loaders/src/glTF/2.0/Extensions/KHR_animation_pointer.data.ts
@@ -186,6 +186,16 @@ const materialsTree = {
                 iridescenceIor: [new MaterialAnimationPropertyInfo(Animation.ANIMATIONTYPE_FLOAT, "iridescence.indexOfRefraction", getFloat, () => 1)],
                 iridescenceThicknessMinimum: [new MaterialAnimationPropertyInfo(Animation.ANIMATIONTYPE_FLOAT, "iridescence.minimumThickness", getFloat, () => 1)],
                 iridescenceThicknessMaximum: [new MaterialAnimationPropertyInfo(Animation.ANIMATIONTYPE_FLOAT, "iridescence.maximumThickness", getFloat, () => 1)],
+                iridescenceTexture: {
+                    extensions: {
+                        KHR_texture_transform: getTextureTransformTree("iridescence.texture"),
+                    },
+                },
+                iridescenceThicknessTexture: {
+                    extensions: {
+                        KHR_texture_transform: getTextureTransformTree("iridescence.thicknessTexture"),
+                    },
+                },
             },
             KHR_materials_sheen: {
                 sheenColorFactor: [new MaterialAnimationPropertyInfo(Animation.ANIMATIONTYPE_COLOR3, "sheen.color", getColor3, () => 3)],
diff --git a/packages/dev/loaders/src/glTF/glTFValidation.ts b/packages/dev/loaders/src/glTF/glTFValidation.ts
index 5cf28335b6c..34e92df6783 100644
--- a/packages/dev/loaders/src/glTF/glTFValidation.ts
+++ b/packages/dev/loaders/src/glTF/glTFValidation.ts
@@ -126,7 +126,7 @@ export class GLTFValidation {
                         case "getExternalResource": {
                             getExternalResource(data.uri).then(
                                 (value) => {
-                                    worker.postMessage({ id: "getExternalResource.resolve", index: data.index, value: value }, [value]);
+                                    worker.postMessage({ id: "getExternalResource.resolve", index: data.index, value: value }, [value.buffer]);
                                 },
                                 (reason) => {
                                     worker.postMessage({ id: "getExternalResource.reject", index: data.index, reason: reason });