Add support for request headers to ImageBitmapLoader, GLTFLoader textures

examples/js/loaders/GLTFLoader.js

@@ -228,6 +228,7 @@ THREE.GLTFLoader = ( function () {
 
 				path: path || this.resourcePath || '',
 				crossOrigin: this.crossOrigin,
+				requestHeader: this.requestHeader,
 				manager: this.manager,
 				ktx2Loader: this.ktx2Loader,
 				meshoptDecoder: this.meshoptDecoder
@@ -1836,6 +1837,7 @@ THREE.GLTFLoader = ( function () {
 		}
 
 		this.textureLoader.setCrossOrigin( this.options.crossOrigin );
+		this.textureLoader.setRequestHeader( this.options.requestHeader );
 
 		this.fileLoader = new THREE.FileLoader( this.options.manager );
 		this.fileLoader.setResponseType( 'arraybuffer' );

examples/jsm/loaders/GLTFLoader.js

@@ -293,6 +293,7 @@ var GLTFLoader = ( function () {
 
 				path: path || this.resourcePath || '',
 				crossOrigin: this.crossOrigin,
+				requestHeader: this.requestHeader,
 				manager: this.manager,
 				ktx2Loader: this.ktx2Loader,
 				meshoptDecoder: this.meshoptDecoder
@@ -1901,6 +1902,7 @@ var GLTFLoader = ( function () {
 		}
 
 		this.textureLoader.setCrossOrigin( this.options.crossOrigin );
+		this.textureLoader.setRequestHeader( this.options.requestHeader );
 
 		this.fileLoader = new FileLoader( this.options.manager );
 		this.fileLoader.setResponseType( 'arraybuffer' );

src/loaders/ImageBitmapLoader.js

@@ -65,6 +65,7 @@ ImageBitmapLoader.prototype = Object.assign( Object.create( Loader.prototype ),
 
 		const fetchOptions = {};
 		fetchOptions.credentials = ( this.crossOrigin === 'anonymous' ) ? 'same-origin' : 'include';
+		fetchOptions.headers = this.requestHeader;
 
 		fetch( url, fetchOptions ).then( function ( res ) {