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al_clear_depth_buffer(3)   Library Functions Manual   al_clear_depth_buffer(3)

NAME
       al_clear_depth_buffer - Allegro 5 API

SYNOPSIS
	      #include <allegro5/allegro.h>

	      void al_clear_depth_buffer(float z)

DESCRIPTION
       Clear  the  depth  buffer  (confined  by	the clipping rectangle)	to the
       given value.  A depth buffer is only available if it was	requested with
       al_set_new_display_option(3) and	the requirement	could be  met  by  the
       al_create_display(3) call creating the current display.	Operations in-
       volving the depth buffer	are also affected by al_set_render_state(3).

       For  example,  if  ALLEGRO_DEPTH_FUNCTION is set	to ALLEGRO_RENDER_LESS
       then depth buffer value of 1 represents infinite	distance, and thus  is
       a good value to use when	clearing the depth buffer.

SINCE
       5.1.2

SEE ALSO
       al_clear_to_color(3),	 al_set_clipping_rectangle(3),	   al_set_ren-
       der_state(3), al_set_new_display_option(3)

Allegro	reference manual			      al_clear_depth_buffer(3)

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