/* d_zpoint.c software driver module for drawing z-buffered points Copyright (C) 1996-1997 Id Software, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to: Free Software Foundation, Inc. 59 Temple Place - Suite 330 Boston, MA 02111-1307, USA */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #define NH_DEFINE #include "namehack.h" #include "QF/sys.h" #include "d_local.h" #include "r_internal.h" #include "vid_internal.h" #include "vid_sw.h" void sw32_D_DrawZPoint (void) { short *pz; int izi; pz = sw32_d_pzbuffer + (sw32_d_zwidth * sw32_r_zpointdesc.v) + sw32_r_zpointdesc.u; izi = (int) (sw32_r_zpointdesc.zi * 0x8000); if (*pz <= izi) { *pz = izi; switch(sw32_ctx->pixbytes) { case 1: ((byte *) sw32_d_viewbuffer) [sw32_d_scantable[sw32_r_zpointdesc.v] + sw32_r_zpointdesc.u] = sw32_r_zpointdesc.color; break; case 2: ((short *) sw32_d_viewbuffer) [sw32_d_scantable[sw32_r_zpointdesc.v] + sw32_r_zpointdesc.u] = sw32_8to16table[sw32_r_zpointdesc.color]; break; case 4: ((int *) sw32_d_viewbuffer) [sw32_d_scantable[sw32_r_zpointdesc.v] + sw32_r_zpointdesc.u] = d_8to24table[sw32_r_zpointdesc.color]; break; default: Sys_Error("D_DrawZPoint: unsupported r_pixbytes %i", sw32_ctx->pixbytes); } } }