mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2025-01-22 08:51:13 +00:00
6377734e32
I got tired of having to maintain two separate software renderers, but didn't want to just nuke sw32, so its core changes are merged into sw. Alias model rendering is broken, but I know exactly what's wrong and how to fix it, just need to take care due to asm.
142 lines
3 KiB
C
142 lines
3 KiB
C
/*
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sw_graph.c
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(description)
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include "QF/cvar.h"
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#include "QF/draw.h"
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#include "QF/render.h"
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#include "r_internal.h"
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#include "vid_internal.h"
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#include "vid_sw.h"
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void
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line_grapn_8 (int x, int y, int *h_vals, int count, int height)
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{
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int h, i, s, color;
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int offset = vid.rowbytes;
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byte *dest;
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// FIXME: disable on no-buffer adapters, or put in the driver
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s = height;
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while (count--) {
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dest = ((byte*)vid.buffer) + offset * y + x++;
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h = *h_vals++;
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if (h == 10000)
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color = 0x6f; // yellow
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else if (h == 9999)
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color = 0x4f; // red
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else if (h == 9998)
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color = 0xd0; // blue
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else
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color = 0xff; // pink
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if (h > s)
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h = s;
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for (i = 0; i < h; i++, dest -= offset) {
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dest[0] = color;
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}
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}
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}
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void
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line_grapn_16 (int x, int y, int *h_vals, int count, int height)
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{
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int h, i, s, color;
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int offset = vid.rowbytes >> 1;
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uint16_t *dest;
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// FIXME: disable on no-buffer adapters, or put in the driver
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s = height;
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while (count--) {
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dest = ((uint16_t*)vid.buffer) + offset * y + x++;
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h = *h_vals++;
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if (h == 10000)
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color = d_8to16table[0x6f]; // yellow
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else if (h == 9999)
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color = d_8to16table[0x4f]; // red
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else if (h == 9998)
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color = d_8to16table[0xd0]; // blue
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else
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color = d_8to16table[0xff]; // pink
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if (h > s)
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h = s;
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for (i = 0; i < h; i++, dest -= offset) {
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dest[0] = color;
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}
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}
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}
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void
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line_grapn_32 (int x, int y, int *h_vals, int count, int height)
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{
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int h, i, s, color;
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int offset = vid.rowbytes >> 2;
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uint32_t *dest;
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// FIXME: disable on no-buffer adapters, or put in the driver
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s = height;
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while (count--) {
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dest = ((uint32_t*)vid.buffer) + offset * y + x++;
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h = *h_vals++;
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if (h == 10000)
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color = d_8to24table[0x6f]; // yellow
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else if (h == 9999)
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color = d_8to24table[0x4f]; // red
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else if (h == 9998)
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color = d_8to24table[0xd0]; // blue
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else
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color = d_8to24table[0xff]; // pink
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if (h > s)
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h = s;
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for (i = 0; i < h; i++, dest -= offset) {
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dest[0] = color;
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}
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}
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}
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void
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R_LineGraph (int x, int y, int *h_vals, int count, int height)
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{
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sw_ctx->draw->line_grapn (x, y, h_vals, count, height);
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}
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