Generate Texture To Tilesprite

var config = {
    type: Phaser.AUTO,
    parent: 'phaser-example',
    width: 800,
    height: 600,
    scene: {
        create: create,
        update: update
    }
};

var game = new Phaser.Game(config);

var tilesprite;

function create ()
{
    var starGraphics = this.make.graphics({ x: 0, y: 0, add: false });

    drawStar(starGraphics, 128, 128, 5, 120, 50, 0xFFFF00, 0xFF0000);

    starGraphics.generateTexture('starGraphics', 256, 256);

    tilesprite = this.add.tileSprite(400, 300, 800, 600, 'starGraphics');
}

function update ()
{
    tilesprite.tilePositionX += 1;
    tilesprite.tilePositionY += 2;
}

function drawStar (graphics, cx, cy, spikes, outerRadius, innerRadius, color, lineColor)
{
    var rot = Math.PI / 2 * 3;
    var x = cx;
    var y = cy;
    var step = Math.PI / spikes;

    graphics.lineStyle(10, lineColor, 1.0);
    graphics.fillStyle(color, 1.0);
    graphics.beginPath();
    graphics.moveTo(cx, cy - outerRadius);

    for (i = 0; i < spikes; i++) {
        x = cx + Math.cos(rot) * outerRadius;
        y = cy + Math.sin(rot) * outerRadius;
        graphics.lineTo(x, y);
        rot += step;

        x = cx + Math.cos(rot) * innerRadius;
        y = cy + Math.sin(rot) * innerRadius;
        graphics.lineTo(x, y);
        rot += step;
    }

    graphics.lineTo(cx, cy - outerRadius);
    graphics.closePath();
    graphics.fillPath();
    graphics.strokePath();
}