From 62be8d04cfa535bd7659a99cc43dc8190add178f Mon Sep 17 00:00:00 2001
From: rainliang000 <rainliang000@users.noreply.github.com>
Date: Mon, 29 Apr 2019 09:54:27 +0800
Subject: [PATCH] if image.uri empty, should use bufferview

if uri empty, shoud use mimeType and bufferview
---
 tiny_gltf.h | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/tiny_gltf.h b/tiny_gltf.h
index b499184..6871963 100644
--- a/tiny_gltf.h
+++ b/tiny_gltf.h
@@ -4892,7 +4892,14 @@ static void SerializeGltfBufferView(BufferView &bufferView, json &o) {
 }
 
 static void SerializeGltfImage(Image &image, json &o) {
-  SerializeStringProperty("uri", image.uri, o);
+ 	// if uri empty, the mimeType and bufferview should be set
+  if (image.uri.empty()) {
+		SerializeStringProperty("mimeType", image.mimeType, o);
+		SerializeNumberProperty<int>("bufferView", image.bufferView, o);
+	}
+  else {
+		SerializeStringProperty("uri", image.uri, o);
+	}
 
   if (image.name.size()) {
     SerializeStringProperty("name", image.name, o);