gpu_set_zfunc


Description

This function can be used to set the z-buffer testing comparison mode (see gpu_set_ztestenable for more information). The values available for use are any of the following constants (the default value is cmpfunc_lessequal):


Syntax:

gpu_set_zfunc(cmp_func);


Arguments:

Argument Description
cmp_func The comparison mode to use (see list above)


Returns:

N/A


Example:

gpu_set_ztestenable(true);
gpu_set_zfunc(cmpfunc_always);
draw_sprite(spr_Background, 0, 0, 0);
gpu_set_ztestenable(false);

The above code switches on z-buffer testing and sets its comparison mode before drawing a background sprite and then switches it back off again to continue drawing.


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Next: gpu_set_zwriteenable
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