Framebuffer &get_framebuffer() { return fbo; }
const Texture2D &get_target_texture(unsigned) const;
const Texture2D &get_target_texture(RenderOutput) const;
Framebuffer &get_framebuffer() { return fbo; }
const Texture2D &get_target_texture(unsigned) const;
const Texture2D &get_target_texture(RenderOutput) const;