public RenderLayerPh_GL(TextureBuffer textureBuffer) { TiledBackingStoreBackendGL backend = new TiledBackingStoreBackendGL(); mBS = new TiledBackingStore(this, backend, textureBuffer); backend.init(mBS); mContentsRect.setRect(0, 0, 4000, 3000); mBS.setContentsFrozen(true); setPosition(200, 200); setSize(1000, 1000); }