wip add SHORT support (for exporting meshopt-compressed meshes, not w…

…orking yet)
mrdoob · Sep 6, 2022 · 45322ce · 45322ce
1 parent f351244
commit 45322ce
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/examples/jsm/exporters/GLTFExporter.js b/examples/jsm/exporters/GLTFExporter.js
@@ -157,6 +157,7 @@ const WEBGL_CONSTANTS = {
 
 	BYTE: 0x1400,
 	UNSIGNED_BYTE: 0x1401,
+	SHORT: 0x1402,
 	UNSIGNED_SHORT: 0x1403,
 	FLOAT: 0x1406,
 	UNSIGNED_INT: 0x1405,
@@ -952,6 +953,10 @@ class GLTFWriter {
 
 					dataView.setInt8( offset, value );
 
+				} else if ( componentType === WEBGL_CONSTANTS.SHORT ) {
+
+					dataView.setInt16( offset, value );
+
 				}
 
 				offset += componentSize;
@@ -1074,6 +1079,10 @@ class GLTFWriter {
 
 			componentType = WEBGL_CONSTANTS.BYTE;
 
+		} else if ( attribute.array.constructor === Int16Array ) {
+
+			componentType = WEBGL_CONSTANTS.SHORT;
+
 		} else {
 
 			throw new Error( 'THREE.GLTFExporter: Unsupported bufferAttribute component type: ' + attribute.array.constructor );