* Descr iption * Main routine. Process command-line arguments, then get data, convert * to viewing coordinates, clip against the view volume, and perform * hidden line removal using Z-buffer method.- * Descr iption * Main routine. Proce

Set the framebuffer surface info: color buffers, zbuffer, stencil buffer.Tell draw module how deep the Z depth buffer.

Device drivers will typically override this function for the buffers which it manages (typically color buffers, Z and stencil).allocate new buffer storage.