这段代码感觉性能消耗有点大，影响首屏的时间

[Davidyanlong]

public initDefault() {
        console.time('texture')
        this.normalTexture = this.createTexture(32, 32, 255 * 0.5, 255 * 0.5, 255.0, 255.0, 'default-normalTexture');
        this.maskTexture = this.createTexture(32, 32, 255, 255 * 0.5, 255.0, 255.0, 'default-maskTexture');
        this.whiteTexture = this.createTexture(32, 32, 255, 255, 255, 255, 'default-whiteTexture');
        this.blackTexture = this.createTexture(32, 32, 0, 0, 0, 255.0, 'default-blackTexture');
        this.redTexture = this.createTexture(32, 32, 255, 0, 0, 255.0, 'default-redTexture');
        this.blueTexture = this.createTexture(32, 32, 0, 0, 255, 255.0, 'default-blueTexture');
        this.greenTexture = this.createTexture(32, 32, 0, 255, 0, 255, 'default-greenTexture');
        this.yellowTexture = this.createTexture(32, 32, 0, 255, 255, 255.0, 'default-yellowTexture');
        this.grayTexture = this.createTexture(32, 32, 128, 128, 128, 255.0, 'default-grayTexture');

        let brdf = new BRDFLUTGenerate();
        let brdf_texture = brdf.generateBRDFLUTTexture();
        let BRDFLUT = brdf_texture.name = 'BRDFLUT';
        this.addTexture(BRDFLUT, brdf_texture);

        this.defaultSky = new HDRTextureCube();
        this.defaultSky.createFromTexture(128, this.blackTexture);

        Reference.getInstance().attached(this.defaultSky, this);
        Reference.getInstance().attached(brdf_texture, this);

        Reference.getInstance().attached(this.normalTexture, this);
        Reference.getInstance().attached(this.maskTexture, this);
        Reference.getInstance().attached(this.whiteTexture, this);
        Reference.getInstance().attached(this.blackTexture, this);
        Reference.getInstance().attached(this.redTexture, this);
        Reference.getInstance().attached(this.blueTexture, this);
        Reference.getInstance().attached(this.greenTexture, this);
        Reference.getInstance().attached(this.yellowTexture, this);
        Reference.getInstance().attached(this.grayTexture, this);
        this.defaultGUITexture = new GUITexture(this.whiteTexture);
        this.defaultGUISprite = new GUISprite(this.defaultGUITexture);
        this.defaultGUISprite.trimSize.set(4, 4)

        this.defaultMaterial = new LitMaterial();
        console.timeEnd('texture')
    }

测试的结果是 9毫秒