| al_clear_depth_buffer(3alleg5) | al_clear_depth_buffer(3alleg5) |
al_clear_depth_buffer - Allegro 5 API
#include <allegro5/allegro.h>
void al_clear_depth_buffer(float z)
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(3alleg5) and the requirement could be met by the al_create_display(3alleg5) call creating the current display. Operations involving the depth buffer are also affected by al_set_render_state(3alleg5).
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.
5.1.2
al_clear_to_color(3alleg5), al_set_clipping_rectangle(3alleg5), al_set_render_state(3alleg5), al_set_new_display_option(3alleg5)
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