message: Dispose of keyless textures in RenderSystem
diff: @@ -203,8 +203,11 @@ export class IdMap implements IDisposable {
  dispose(texture);
  for (const gradient of gradientArr)
  dispose(gradient);
  + for (const texture of this.keylessTextures)
  + dispose(texture);
  this.textureMap.clear();
  this.gradientMap.clear();
  + this.keylessTextures.length = 0;
  }
  /** Add a material to this IdMap, given that it has a valid key. */
  