// rendering
// 获取应用表面的宽高
var _surf_w = surface_get_width(application_surface);
var _surf_h = surface_get_height(application_surface);

// 将光照渲染到应用表面上
// 参数解析：(targetSurface, x, y, width, height, [textureFiltering], [alphaBlend])
global.bulb_renderer.DrawLitSurface(application_surface, 0, 0, _surf_w, _surf_h);