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create_zbuffer(3)               Allegro manual               create_zbuffer(3)

NAME
       create_zbuffer - Creates a Z-buffer for a bitmap. Allegro game
       programming library.

SYNOPSIS
       #include <allegro.h>

       ZBUFFER *create_zbuffer(BITMAP *bmp);

DESCRIPTION
       Creates a Z-buffer using the size of the BITMAP you are planning to
       draw on. Several Z-buffers can be defined but only one can be used at
       the same time, so you must call set_zbuffer() to make this Z-buffer
       active.

RETURN VALUE
       Returns the pointer to the ZBUFFER or NULL if there was an error.
       Remember to destroy the ZBUFFER once you are done with it, to avoid
       having memory leaks.

SEE ALSO
       create_sub_zbuffer(3), set_zbuffer(3), clear_zbuffer(3),
       destroy_zbuffer(3), exzbuf(3)

Allegro                          version 4.4.2               create_zbuffer(3)