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refactor OSD code and PCNT stuff
[pcsx_rearmed.git] / plugins / dfxvideo / interp.h
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P		 1/*
2 * This file is part of the Advance project.
3 *
4 * Copyright (C) 2003 Andrea Mazzoleni
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 *
20 * In addition, as a special exception, Andrea Mazzoleni
21 * gives permission to link the code of this program with
22 * the MAME library (or with modified versions of MAME that use the
23 * same license as MAME), and distribute linked combinations including
24 * the two. You must obey the GNU General Public License in all
25 * respects for all of the code used other than MAME. If you modify
26 * this file, you may extend this exception to your version of the
27 * file, but you are not obligated to do so. If you do not wish to
28 * do so, delete this exception statement from your version.
29 */
30
31#ifndef __INTERP_H
32#define __INTERP_H
33
34/***************************************************************************/
35/* Basic types */
36
37/***************************************************************************/
38/* interpolation */
39
40static unsigned interp_mask[2];
41static unsigned interp_bits_per_pixel;
42
43#define INTERP_16_MASK_1(v) (v & interp_mask[0])
44#define INTERP_16_MASK_2(v) (v & interp_mask[1])
45
46static __inline unsigned short interp_16_521(unsigned short p1, unsigned short p2, unsigned short p3)
47{
48 return INTERP_16_MASK_1((INTERP_16_MASK_1(p1)*5 + INTERP_16_MASK_1(p2)*2 + INTERP_16_MASK_1(p3)*1) / 8)
49 | INTERP_16_MASK_2((INTERP_16_MASK_2(p1)*5 + INTERP_16_MASK_2(p2)*2 + INTERP_16_MASK_2(p3)*1) / 8);
50}
51
52static __inline unsigned short interp_16_332(unsigned short p1, unsigned short p2, unsigned short p3)
53{
54 return INTERP_16_MASK_1((INTERP_16_MASK_1(p1)*3 + INTERP_16_MASK_1(p2)*3 + INTERP_16_MASK_1(p3)*2) / 8)
55 | INTERP_16_MASK_2((INTERP_16_MASK_2(p1)*3 + INTERP_16_MASK_2(p2)*3 + INTERP_16_MASK_2(p3)*2) / 8);
56}
57
58static __inline unsigned short interp_16_611(unsigned short p1, unsigned short p2, unsigned short p3)
59{
60 return INTERP_16_MASK_1((INTERP_16_MASK_1(p1)*6 + INTERP_16_MASK_1(p2) + INTERP_16_MASK_1(p3)) / 8)
61 | INTERP_16_MASK_2((INTERP_16_MASK_2(p1)*6 + INTERP_16_MASK_2(p2) + INTERP_16_MASK_2(p3)) / 8);
62}
63
64static __inline unsigned short interp_16_71(unsigned short p1, unsigned short p2)
65{
66 return INTERP_16_MASK_1((INTERP_16_MASK_1(p1)*7 + INTERP_16_MASK_1(p2)) / 8)
67 | INTERP_16_MASK_2((INTERP_16_MASK_2(p1)*7 + INTERP_16_MASK_2(p2)) / 8);
68}
69
70static __inline unsigned short interp_16_211(unsigned short p1, unsigned short p2, unsigned short p3)
71{
72 return INTERP_16_MASK_1((INTERP_16_MASK_1(p1)*2 + INTERP_16_MASK_1(p2) + INTERP_16_MASK_1(p3)) / 4)
73 | INTERP_16_MASK_2((INTERP_16_MASK_2(p1)*2 + INTERP_16_MASK_2(p2) + INTERP_16_MASK_2(p3)) / 4);
74}
75
76static __inline unsigned short interp_16_772(unsigned short p1, unsigned short p2, unsigned short p3)
77{
78 return INTERP_16_MASK_1(((INTERP_16_MASK_1(p1) + INTERP_16_MASK_1(p2))*7 + INTERP_16_MASK_1(p3)*2) / 16)
79 | INTERP_16_MASK_2(((INTERP_16_MASK_2(p1) + INTERP_16_MASK_2(p2))*7 + INTERP_16_MASK_2(p3)*2) / 16);
80}
81
82static __inline unsigned short interp_16_11(unsigned short p1, unsigned short p2)
83{
84 return INTERP_16_MASK_1((INTERP_16_MASK_1(p1) + INTERP_16_MASK_1(p2)) / 2)
85 | INTERP_16_MASK_2((INTERP_16_MASK_2(p1) + INTERP_16_MASK_2(p2)) / 2);
86}
87
88static __inline unsigned short interp_16_31(unsigned short p1, unsigned short p2)
89{
90 return INTERP_16_MASK_1((INTERP_16_MASK_1(p1)*3 + INTERP_16_MASK_1(p2)) / 4)
91 | INTERP_16_MASK_2((INTERP_16_MASK_2(p1)*3 + INTERP_16_MASK_2(p2)) / 4);
92}
93
94static __inline unsigned short interp_16_1411(unsigned short p1, unsigned short p2, unsigned short p3)
95{
96 return INTERP_16_MASK_1((INTERP_16_MASK_1(p1)*14 + INTERP_16_MASK_1(p2) + INTERP_16_MASK_1(p3)) / 16)
97 | INTERP_16_MASK_2((INTERP_16_MASK_2(p1)*14 + INTERP_16_MASK_2(p2) + INTERP_16_MASK_2(p3)) / 16);
98}
99
100static __inline unsigned short interp_16_431(unsigned short p1, unsigned short p2, unsigned short p3)
101{
102 return INTERP_16_MASK_1((INTERP_16_MASK_1(p1)*4 + INTERP_16_MASK_1(p2)*3 + INTERP_16_MASK_1(p3)) / 8)
103 | INTERP_16_MASK_2((INTERP_16_MASK_2(p1)*4 + INTERP_16_MASK_2(p2)*3 + INTERP_16_MASK_2(p3)) / 8);
104}
105
106static __inline unsigned short interp_16_53(unsigned short p1, unsigned short p2)
107{
108 return INTERP_16_MASK_1((INTERP_16_MASK_1(p1)*5 + INTERP_16_MASK_1(p2)*3) / 8)
109 | INTERP_16_MASK_2((INTERP_16_MASK_2(p1)*5 + INTERP_16_MASK_2(p2)*3) / 8);
110}
111
112static __inline unsigned short interp_16_151(unsigned short p1, unsigned short p2)
113{
114 return INTERP_16_MASK_1((INTERP_16_MASK_1(p1)*15 + INTERP_16_MASK_1(p2)) / 16)
115 | INTERP_16_MASK_2((INTERP_16_MASK_2(p1)*15 + INTERP_16_MASK_2(p2)) / 16);
116}
117
118static __inline unsigned short interp_16_97(unsigned short p1, unsigned short p2)
119{
120 return INTERP_16_MASK_1((INTERP_16_MASK_1(p1)*9 + INTERP_16_MASK_1(p2)*7) / 16)
121 | INTERP_16_MASK_2((INTERP_16_MASK_2(p1)*9 + INTERP_16_MASK_2(p2)*7) / 16);
122}
123
124#define INTERP_32_MASK_1(v) (v & 0xFF00FF)
125#define INTERP_32_MASK_2(v) (v & 0x00FF00)
126
127static __inline unsigned int interp_32_521(unsigned int p1, unsigned int p2, unsigned int p3)
128{
129 return INTERP_32_MASK_1((INTERP_32_MASK_1(p1)*5 + INTERP_32_MASK_1(p2)*2 + INTERP_32_MASK_1(p3)*1) / 8)
130 | INTERP_32_MASK_2((INTERP_32_MASK_2(p1)*5 + INTERP_32_MASK_2(p2)*2 + INTERP_32_MASK_2(p3)*1) / 8);
131}
132
133static __inline unsigned int interp_32_332(unsigned int p1, unsigned int p2, unsigned int p3)
134{
135 return INTERP_32_MASK_1((INTERP_32_MASK_1(p1)*3 + INTERP_32_MASK_1(p2)*3 + INTERP_32_MASK_1(p3)*2) / 8)
136 | INTERP_32_MASK_2((INTERP_32_MASK_2(p1)*3 + INTERP_32_MASK_2(p2)*3 + INTERP_32_MASK_2(p3)*2) / 8);
137}
138
139static __inline unsigned int interp_32_211(unsigned int p1, unsigned int p2, unsigned int p3)
140{
141 return INTERP_32_MASK_1((INTERP_32_MASK_1(p1)*2 + INTERP_32_MASK_1(p2) + INTERP_32_MASK_1(p3)) / 4)
142 | INTERP_32_MASK_2((INTERP_32_MASK_2(p1)*2 + INTERP_32_MASK_2(p2) + INTERP_32_MASK_2(p3)) / 4);
143}
144
145static __inline unsigned int interp_32_611(unsigned int p1, unsigned int p2, unsigned int p3)
146{
147 return INTERP_32_MASK_1((INTERP_32_MASK_1(p1)*6 + INTERP_32_MASK_1(p2) + INTERP_32_MASK_1(p3)) / 8)
148 | INTERP_32_MASK_2((INTERP_32_MASK_2(p1)*6 + INTERP_32_MASK_2(p2) + INTERP_32_MASK_2(p3)) / 8);
149}
150
151static __inline unsigned int interp_32_71(unsigned int p1, unsigned int p2)
152{
153 return INTERP_32_MASK_1((INTERP_32_MASK_1(p1)*7 + INTERP_32_MASK_1(p2)) / 8)
154 | INTERP_32_MASK_2((INTERP_32_MASK_2(p1)*7 + INTERP_32_MASK_2(p2)) / 8);
155}
156
157static __inline unsigned int interp_32_772(unsigned int p1, unsigned int p2, unsigned int p3)
158{
159 return INTERP_32_MASK_1(((INTERP_32_MASK_1(p1) + INTERP_32_MASK_1(p2))*7 + INTERP_32_MASK_1(p3)*2) / 16)
160 | INTERP_32_MASK_2(((INTERP_32_MASK_2(p1) + INTERP_32_MASK_2(p2))*7 + INTERP_32_MASK_2(p3)*2) / 16);
161}
162
163static __inline unsigned int interp_32_11(unsigned int p1, unsigned int p2)
164{
165 return INTERP_32_MASK_1((INTERP_32_MASK_1(p1) + INTERP_32_MASK_1(p2)) / 2)
166 | INTERP_32_MASK_2((INTERP_32_MASK_2(p1) + INTERP_32_MASK_2(p2)) / 2);
167}
168
169static __inline unsigned int interp_32_31(unsigned int p1, unsigned int p2)
170{
171 return INTERP_32_MASK_1((INTERP_32_MASK_1(p1)*3 + INTERP_32_MASK_1(p2)) / 4)
172 | INTERP_32_MASK_2((INTERP_32_MASK_2(p1)*3 + INTERP_32_MASK_2(p2)) / 4);
173}
174
175static __inline unsigned int interp_32_1411(unsigned int p1, unsigned int p2, unsigned int p3)
176{
177 return INTERP_32_MASK_1((INTERP_32_MASK_1(p1)*14 + INTERP_32_MASK_1(p2) + INTERP_32_MASK_1(p3)) / 16)
178 | INTERP_32_MASK_2((INTERP_32_MASK_2(p1)*14 + INTERP_32_MASK_2(p2) + INTERP_32_MASK_2(p3)) / 16);
179}
180
181static __inline unsigned int interp_32_431(unsigned int p1, unsigned int p2, unsigned int p3)
182{
183 return INTERP_32_MASK_1((INTERP_32_MASK_1(p1)*4 + INTERP_32_MASK_1(p2)*3 + INTERP_32_MASK_1(p3)) / 8)
184 | INTERP_32_MASK_2((INTERP_32_MASK_2(p1)*4 + INTERP_32_MASK_2(p2)*3 + INTERP_32_MASK_2(p3)) / 8);
185}
186
187static __inline unsigned int interp_32_53(unsigned int p1, unsigned int p2)
188{
189 return INTERP_32_MASK_1((INTERP_32_MASK_1(p1)*5 + INTERP_32_MASK_1(p2)*3) / 8)
190 | INTERP_32_MASK_2((INTERP_32_MASK_2(p1)*5 + INTERP_32_MASK_2(p2)*3) / 8);
191}
192
193static __inline unsigned int interp_32_151(unsigned int p1, unsigned int p2)
194{
195 return INTERP_32_MASK_1((INTERP_32_MASK_1(p1)*15 + INTERP_32_MASK_1(p2)) / 16)
196 | INTERP_32_MASK_2((INTERP_32_MASK_2(p1)*15 + INTERP_32_MASK_2(p2)) / 16);
197}
198
199static __inline unsigned int interp_32_97(unsigned int p1, unsigned int p2)
200{
201 return INTERP_32_MASK_1((INTERP_32_MASK_1(p1)*9 + INTERP_32_MASK_1(p2)*7) / 16)
202 | INTERP_32_MASK_2((INTERP_32_MASK_2(p1)*9 + INTERP_32_MASK_2(p2)*7) / 16);
203}
204
205/***************************************************************************/
206/* diff */
207
208#define INTERP_Y_LIMIT (0x30*4)
209#define INTERP_U_LIMIT (0x07*4)
210#define INTERP_V_LIMIT (0x06*8)
211
212inline static int interp_16_diff(unsigned short p1, unsigned short p2)
213{
214 int r, g, b;
215 int y, u, v;
216
217 if (p1 == p2)
218 return 0;
219
220 if (interp_bits_per_pixel == 16) {
221 b = (int)((p1 & 0x1F) - (p2 & 0x1F)) << 3;
222 g = (int)((p1 & 0x7E0) - (p2 & 0x7E0)) >> 3;
223 r = (int)((p1 & 0xF800) - (p2 & 0xF800)) >> 8;
224 } else {
225 b = (int)((p1 & 0x1F) - (p2 & 0x1F)) << 3;
226 g = (int)((p1 & 0x3E0) - (p2 & 0x3E0)) >> 2;
227 r = (int)((p1 & 0x7C00) - (p2 & 0x7C00)) >> 7;
228 }
229
230 y = r + g + b;
231 u = r - b;
232 v = -r + 2*g - b;
233
234 if (y < -INTERP_Y_LIMIT || y > INTERP_Y_LIMIT)
235 return 1;
236
237 if (u < -INTERP_U_LIMIT || u > INTERP_U_LIMIT)
238 return 1;
239
240 if (v < -INTERP_V_LIMIT || v > INTERP_V_LIMIT)
241 return 1;
242
243 return 0;
244}
245
246inline static int interp_32_diff(unsigned int p1, unsigned int p2)
247{
248 int r, g, b;
249 int y, u, v;
250
251 if ((p1 & 0xF8F8F8) == (p2 & 0xF8F8F8))
252 return 0;
253
254 b = (int)((p1 & 0xFF) - (p2 & 0xFF));
255 g = (int)((p1 & 0xFF00) - (p2 & 0xFF00)) >> 8;
256 r = (int)((p1 & 0xFF0000) - (p2 & 0xFF0000)) >> 16;
257
258 y = r + g + b;
259 u = r - b;
260 v = -r + 2*g - b;
261
262 if (y < -INTERP_Y_LIMIT || y > INTERP_Y_LIMIT)
263 return 1;
264
265 if (u < -INTERP_U_LIMIT || u > INTERP_U_LIMIT)
266 return 1;
267
268 if (v < -INTERP_V_LIMIT || v > INTERP_V_LIMIT)
269 return 1;
270
271 return 0;
272}
273
274#if 0
275
276static void interp_set(unsigned bits_per_pixel)
277{
278 interp_bits_per_pixel = bits_per_pixel;
279
280 switch (bits_per_pixel) {
281 case 15 :
282 interp_mask[0] = 0x7C1F;
283 interp_mask[1] = 0x03E0;
284 break;
285 case 16 :
286 interp_mask[0] = 0xF81F;
287 interp_mask[1] = 0x07E0;
288 break;
289 case 32 :
290 interp_mask[0] = 0xFF00FF;
291 interp_mask[1] = 0x00FF00;
292 break;
293 }
294}
295
296#endif
297
298#endif
ARM optimized PCSX fork