ref: 5e956ae9355f38bafa811e97669f464ae2f8d3fe
dir: /d_zpoint.c/
// d_zpoint.c: software driver module for drawing z-buffered points
#include <u.h>
#include <libc.h>
#include <stdio.h>
#include "quakedef.h"
/*
=====================
D_DrawZPoint
=====================
*/
void D_DrawZPoint (void)
{
byte *pdest;
short *pz;
int izi;
pz = d_pzbuffer + (d_zwidth * r_zpointdesc.v) + r_zpointdesc.u;
pdest = d_viewbuffer + d_scantable[r_zpointdesc.v] + r_zpointdesc.u;
izi = (int)(r_zpointdesc.zi * 0x8000);
if (*pz <= izi)
{
*pz = izi;
*pdest = r_zpointdesc.color;
}
}