FBXLoader: Add sRGB -> Linear-sRGB conversion for vertex colors.

Author: donmccurdy

examples/jsm/loaders/FBXLoader.js

@@ -2217,6 +2217,12 @@ class GeometryParser {
 
 		}
 
+		for ( let i = 0, c = new Color(); i < buffer.length; i += 4 ) {
+
+			c.fromArray( buffer, i ).convertSRGBToLinear().toArray( buffer, i );
+
+		}
+
 		return {
 			dataSize: 4,
 			buffer: buffer,