void AbstractFramebuffer::drawBufferImplementationDSAEXT(GLenum buffer) {
    _flags |= ObjectFlag::Created;
    glFramebufferDrawBufferEXT(_id, buffer);
}
void FramebufferImplementation_DirectStateAccessEXT::setDrawBuffer(const Framebuffer * fbo, GLenum mode) const
{
    glFramebufferDrawBufferEXT(fbo->id(), mode);
}