1 /*
2
3 Copyright (C) 2015-2018 Night Dive Studios, LLC.
4
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, either version 3 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
17
18 */
19 /*
20 * $Source: n:/project/lib/src/2d/RCS/fl8slin.c $
21 * $Revision: 1.5 $
22 * $Author: lmfeeney $
23 * $Date: 1994/06/11 01:24:10 $
24 *
25 * Routine to draw a gouraud shaded line to a flat 8 canvas.
26 *
27 * This file is part of the 2d library.
28 *
29 * $Log: fl8slin.c $
30 * Revision 1.5 1994/06/11 01:24:10 lmfeeney
31 * guts of the routine moved to fl8{c,s}lin.h, per fill type
32 * line drawers are created by defining macros and including
33 * this file
34 *
35 * Revision 1.4 1994/05/06 18:19:13 lmfeeney
36 * rewritten for greater accuracy and speed
37 *
38 * Revision 1.3 1993/10/19 09:50:58 kaboom
39 * Replaced #include <grd.h" with new headers split from grd.h.
40 *
41 * Revision 1.2 1993/10/01 16:01:20 kaboom
42 * Pared down includes to reduce dependencies.
43 *
44 * Revision 1.1 1993/07/01 22:12:15 spaz
45 * Initial revision
46 */
47
48 #include "cnvdat.h"
49 #include "plytyp.h"
50 #include <stdlib.h>
51
52 /* not all fill routines use all parms */
53 // MLA #pragma off (unreferenced)
54
55 #undef macro_plot_i
56 #define macro_plot_i(x, p, i) \
57 do { \
58 p[x] = i; \
59 } while (0)
60
gri_flat8_usline_norm(long c,long parm,grs_vertex * v0,grs_vertex * v1)61 void gri_flat8_usline_norm(long c, long parm, grs_vertex *v0, grs_vertex *v1) {
62 #include "fl8slin.h"
63 }
64
65 #undef macro_plot_i
66 #define macro_plot_i(x, p, i) \
67 do { \
68 p[x] = (long)(((uchar *)parm)[i]); \
69 } while (0)
70
gri_flat8_usline_clut(long c,long parm,grs_vertex * v0,grs_vertex * v1)71 void gri_flat8_usline_clut(long c, long parm, grs_vertex *v0, grs_vertex *v1) {
72 #include "fl8slin.h"
73 }
74
75 #undef macro_plot_i
76 #define macro_plot_i(x, p, i) \
77 do { \
78 p[x] = p[x] ^ i; \
79 } while (0)
80
gri_flat8_usline_xor(long c,long parm,grs_vertex * v0,grs_vertex * v1)81 void gri_flat8_usline_xor(long c, long parm, grs_vertex *v0, grs_vertex *v1) {
82 #include "fl8slin.h"
83 }
84
85 /* punt */
86
87 #undef macro_plot_i
88 #define macro_plot_i(x, p, i) \
89 do { \
90 p[x] = i; \
91 } while (0)
92
gri_flat8_usline_blend(long c,long parm,grs_vertex * v0,grs_vertex * v1)93 void gri_flat8_usline_blend(long c, long parm, grs_vertex *v0, grs_vertex *v1) {
94 #include "fl8slin.h"
95 }
96