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Added missing launcher
[mupen64plus-pandora.git] / source / gles2rice / src / TextureFilters_hq2x.cpp
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292f9317 1/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
2 * Mupen64plus - TextureFilters_hq2x.cpp *
3 * Mupen64Plus homepage: http://code.google.com/p/mupen64plus/ *
4 * Copyright (C) 2003 MaxSt ( maxst@hiend3d.com ) *
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 *
18 * Free Software Foundation, Inc., *
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
20 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
21
22#include "typedefs.h"
23
24/************************************************************************/
25/* hq2x filters */
26/************************************************************************/
27
28/***************************************************************************/
29/* Basic types */
30
31/***************************************************************************/
32/* interpolation */
33
34static unsigned interp_bits_per_pixel;
35
36#define INTERP_16_MASK_1_3(v) ((v)&0x0F0F)
37#define INTERP_16_MASK_SHIFT_2_4(v) (((v)&0xF0F0)>>4)
38#define INTERP_16_MASK_SHIFTBACK_2_4(v) ((INTERP_16_MASK_1_3(v))<<4)
39
40static inline uint16 hq2x_interp_16_521(uint16 p1, uint16 p2, uint16 p3)
41{
42 return INTERP_16_MASK_1_3((INTERP_16_MASK_1_3(p1)*5 + INTERP_16_MASK_1_3(p2)*2 + INTERP_16_MASK_1_3(p3)*1) / 8)
43 | INTERP_16_MASK_SHIFTBACK_2_4((INTERP_16_MASK_SHIFT_2_4(p1)*5 + INTERP_16_MASK_SHIFT_2_4(p2)*2 + INTERP_16_MASK_SHIFT_2_4(p3)*1) / 8);
44}
45
46static inline uint16 hq2x_interp_16_332(uint16 p1, uint16 p2, uint16 p3)
47{
48 return INTERP_16_MASK_1_3((INTERP_16_MASK_1_3(p1)*3 + INTERP_16_MASK_1_3(p2)*3 + INTERP_16_MASK_1_3(p3)*2) / 8)
49 | INTERP_16_MASK_SHIFTBACK_2_4((INTERP_16_MASK_SHIFT_2_4(p1)*3 + INTERP_16_MASK_SHIFT_2_4(p2)*3 + INTERP_16_MASK_SHIFT_2_4(p3)*2) / 8);
50}
51
52static inline uint16 hq2x_interp_16_611(uint16 p1, uint16 p2, uint16 p3)
53{
54 return INTERP_16_MASK_1_3((INTERP_16_MASK_1_3(p1)*6 + INTERP_16_MASK_1_3(p2) + INTERP_16_MASK_1_3(p3)) / 8)
55 | INTERP_16_MASK_SHIFTBACK_2_4((INTERP_16_MASK_SHIFT_2_4(p1)*6 + INTERP_16_MASK_SHIFT_2_4(p2) + INTERP_16_MASK_SHIFT_2_4(p3)) / 8);
56}
57
58static inline uint16 hq2x_interp_16_71(uint16 p1, uint16 p2)
59{
60 return INTERP_16_MASK_1_3((INTERP_16_MASK_1_3(p1)*7 + INTERP_16_MASK_1_3(p2)) / 8)
61 | INTERP_16_MASK_SHIFTBACK_2_4((INTERP_16_MASK_SHIFT_2_4(p1)*7 + INTERP_16_MASK_SHIFT_2_4(p2)) / 8);
62}
63
64static inline uint16 hq2x_interp_16_211(uint16 p1, uint16 p2, uint16 p3)
65{
66 return INTERP_16_MASK_1_3((INTERP_16_MASK_1_3(p1)*2 + INTERP_16_MASK_1_3(p2) + INTERP_16_MASK_1_3(p3)) / 4)
67 | INTERP_16_MASK_SHIFTBACK_2_4((INTERP_16_MASK_SHIFT_2_4(p1)*2 + INTERP_16_MASK_SHIFT_2_4(p2) + INTERP_16_MASK_SHIFT_2_4(p3)) / 4);
68}
69
70static inline uint16 hq2x_interp_16_772(uint16 p1, uint16 p2, uint16 p3)
71{
72 return INTERP_16_MASK_1_3(((INTERP_16_MASK_1_3(p1) + INTERP_16_MASK_1_3(p2))*7 + INTERP_16_MASK_1_3(p3)*2) / 16)
73 | INTERP_16_MASK_SHIFTBACK_2_4(((INTERP_16_MASK_SHIFT_2_4(p1) + INTERP_16_MASK_SHIFT_2_4(p2))*7 + INTERP_16_MASK_SHIFT_2_4(p3)*2) / 16);
74}
75
76static inline uint16 hq2x_interp_16_11(uint16 p1, uint16 p2)
77{
78 return INTERP_16_MASK_1_3((INTERP_16_MASK_1_3(p1) + INTERP_16_MASK_1_3(p2)) / 2)
79 | INTERP_16_MASK_SHIFTBACK_2_4((INTERP_16_MASK_SHIFT_2_4(p1) + INTERP_16_MASK_SHIFT_2_4(p2)) / 2);
80}
81
82static inline uint16 hq2x_interp_16_31(uint16 p1, uint16 p2)
83{
84 return INTERP_16_MASK_1_3((INTERP_16_MASK_1_3(p1)*3 + INTERP_16_MASK_1_3(p2)) / 4)
85 | INTERP_16_MASK_SHIFTBACK_2_4((INTERP_16_MASK_SHIFT_2_4(p1)*3 + INTERP_16_MASK_SHIFT_2_4(p2)) / 4);
86}
87
88static inline uint16 hq2x_interp_16_1411(uint16 p1, uint16 p2, uint16 p3)
89{
90 return INTERP_16_MASK_1_3((INTERP_16_MASK_1_3(p1)*14 + INTERP_16_MASK_1_3(p2) + INTERP_16_MASK_1_3(p3)) / 16)
91 | INTERP_16_MASK_SHIFTBACK_2_4((INTERP_16_MASK_SHIFT_2_4(p1)*14 + INTERP_16_MASK_SHIFT_2_4(p2) + INTERP_16_MASK_SHIFT_2_4(p3)) / 16);
92}
93
94static inline uint16 hq2x_interp_16_431(uint16 p1, uint16 p2, uint16 p3)
95{
96 return INTERP_16_MASK_1_3((INTERP_16_MASK_1_3(p1)*4 + INTERP_16_MASK_1_3(p2)*3 + INTERP_16_MASK_1_3(p3)) / 8)
97 | INTERP_16_MASK_SHIFTBACK_2_4((INTERP_16_MASK_SHIFT_2_4(p1)*4 + INTERP_16_MASK_SHIFT_2_4(p2)*3 + INTERP_16_MASK_SHIFT_2_4(p3)) / 8);
98}
99
100static inline uint16 hq2x_interp_16_53(uint16 p1, uint16 p2)
101{
102 return INTERP_16_MASK_1_3((INTERP_16_MASK_1_3(p1)*5 + INTERP_16_MASK_1_3(p2)*3) / 8)
103 | INTERP_16_MASK_SHIFTBACK_2_4((INTERP_16_MASK_SHIFT_2_4(p1)*5 + INTERP_16_MASK_SHIFT_2_4(p2)*3) / 8);
104}
105
106static inline uint16 hq2x_interp_16_151(uint16 p1, uint16 p2)
107{
108 return INTERP_16_MASK_1_3((INTERP_16_MASK_1_3(p1)*15 + INTERP_16_MASK_1_3(p2)) / 16)
109 | INTERP_16_MASK_SHIFTBACK_2_4((INTERP_16_MASK_SHIFT_2_4(p1)*15 + INTERP_16_MASK_SHIFT_2_4(p2)) / 16);
110}
111
112static inline uint16 hq2x_interp_16_97(uint16 p1, uint16 p2)
113{
114 return INTERP_16_MASK_1_3((INTERP_16_MASK_1_3(p1)*9 + INTERP_16_MASK_1_3(p2)*7) / 16)
115 | INTERP_16_MASK_SHIFTBACK_2_4((INTERP_16_MASK_SHIFT_2_4(p1)*9 + INTERP_16_MASK_SHIFT_2_4(p2)*7) / 16);
116}
117
118#define INTERP_32_MASK_1_3(v) ((v)&0x00FF00FF)
119#define INTERP_32_MASK_SHIFT_2_4(v) (((v)&0xFF00FF00)>>8)
120#define INTERP_32_MASK_SHIFTBACK_2_4(v) (((INTERP_32_MASK_1_3(v))<<8))
121
122static inline uint32 hq2x_interp_32_521(uint32 p1, uint32 p2, uint32 p3)
123{
124 return INTERP_32_MASK_1_3((INTERP_32_MASK_1_3(p1)*5 + INTERP_32_MASK_1_3(p2)*2 + INTERP_32_MASK_1_3(p3)*1) / 8)
125 | INTERP_32_MASK_SHIFTBACK_2_4((INTERP_32_MASK_SHIFT_2_4(p1)*5 + INTERP_32_MASK_SHIFT_2_4(p2)*2 + INTERP_32_MASK_SHIFT_2_4(p3)*1) / 8);
126}
127
128static inline uint32 hq2x_interp_32_332(uint32 p1, uint32 p2, uint32 p3)
129{
130 return INTERP_32_MASK_1_3((INTERP_32_MASK_1_3(p1)*3 + INTERP_32_MASK_1_3(p2)*3 + INTERP_32_MASK_1_3(p3)*2) / 8)
131 | INTERP_32_MASK_SHIFTBACK_2_4((INTERP_32_MASK_SHIFT_2_4(p1)*3 + INTERP_32_MASK_SHIFT_2_4(p2)*3 + INTERP_32_MASK_SHIFT_2_4(p3)*2) / 8);
132}
133
134static inline uint32 hq2x_interp_32_211(uint32 p1, uint32 p2, uint32 p3)
135{
136 return INTERP_32_MASK_1_3((INTERP_32_MASK_1_3(p1)*2 + INTERP_32_MASK_1_3(p2) + INTERP_32_MASK_1_3(p3)) / 4)
137 | INTERP_32_MASK_SHIFTBACK_2_4((INTERP_32_MASK_SHIFT_2_4(p1)*2 + INTERP_32_MASK_SHIFT_2_4(p2) + INTERP_32_MASK_SHIFT_2_4(p3)) / 4);
138}
139
140static inline uint32 hq2x_interp_32_611(uint32 p1, uint32 p2, uint32 p3)
141{
142 return INTERP_32_MASK_1_3((INTERP_32_MASK_1_3(p1)*6 + INTERP_32_MASK_1_3(p2) + INTERP_32_MASK_1_3(p3)) / 8)
143 | INTERP_32_MASK_SHIFTBACK_2_4((INTERP_32_MASK_SHIFT_2_4(p1)*6 + INTERP_32_MASK_SHIFT_2_4(p2) + INTERP_32_MASK_SHIFT_2_4(p3)) / 8);
144}
145
146static inline uint32 hq2x_interp_32_71(uint32 p1, uint32 p2)
147{
148 return INTERP_32_MASK_1_3((INTERP_32_MASK_1_3(p1)*7 + INTERP_32_MASK_1_3(p2)) / 8)
149 | INTERP_32_MASK_SHIFTBACK_2_4((INTERP_32_MASK_SHIFT_2_4(p1)*7 + INTERP_32_MASK_SHIFT_2_4(p2)) / 8);
150}
151
152static inline uint32 hq2x_interp_32_772(uint32 p1, uint32 p2, uint32 p3)
153{
154 return INTERP_32_MASK_1_3(((INTERP_32_MASK_1_3(p1) + INTERP_32_MASK_1_3(p2))*7 + INTERP_32_MASK_1_3(p3)*2) / 16)
155 | INTERP_32_MASK_SHIFTBACK_2_4(((INTERP_32_MASK_SHIFT_2_4(p1) + INTERP_32_MASK_SHIFT_2_4(p2))*7 + INTERP_32_MASK_SHIFT_2_4(p3)*2) / 16);
156}
157
158static inline uint32 hq2x_interp_32_11(uint32 p1, uint32 p2)
159{
160 return INTERP_32_MASK_1_3((INTERP_32_MASK_1_3(p1) + INTERP_32_MASK_1_3(p2)) / 2)
161 | INTERP_32_MASK_SHIFTBACK_2_4((INTERP_32_MASK_SHIFT_2_4(p1) + INTERP_32_MASK_SHIFT_2_4(p2)) / 2);
162}
163
164static inline uint32 hq2x_interp_32_31(uint32 p1, uint32 p2)
165{
166 return INTERP_32_MASK_1_3((INTERP_32_MASK_1_3(p1)*3 + INTERP_32_MASK_1_3(p2)) / 4)
167 | INTERP_32_MASK_SHIFTBACK_2_4((INTERP_32_MASK_SHIFT_2_4(p1)*3 + INTERP_32_MASK_SHIFT_2_4(p2)) / 4);
168}
169
170static inline uint32 hq2x_interp_32_1411(uint32 p1, uint32 p2, uint32 p3)
171{
172 return INTERP_32_MASK_1_3((INTERP_32_MASK_1_3(p1)*14 + INTERP_32_MASK_1_3(p2) + INTERP_32_MASK_1_3(p3)) / 16)
173 | INTERP_32_MASK_SHIFTBACK_2_4((INTERP_32_MASK_SHIFT_2_4(p1)*14 + INTERP_32_MASK_SHIFT_2_4(p2) + INTERP_32_MASK_SHIFT_2_4(p3)) / 16);
174}
175
176static inline uint32 hq2x_interp_32_431(uint32 p1, uint32 p2, uint32 p3)
177{
178 return INTERP_32_MASK_1_3((INTERP_32_MASK_1_3(p1)*4 + INTERP_32_MASK_1_3(p2)*3 + INTERP_32_MASK_1_3(p3)) / 8)
179 | INTERP_32_MASK_SHIFTBACK_2_4((INTERP_32_MASK_SHIFT_2_4(p1)*4 + INTERP_32_MASK_SHIFT_2_4(p2)*3 + INTERP_32_MASK_SHIFT_2_4(p3)) / 8);
180}
181
182static inline uint32 hq2x_interp_32_53(uint32 p1, uint32 p2)
183{
184 return INTERP_32_MASK_1_3((INTERP_32_MASK_1_3(p1)*5 + INTERP_32_MASK_1_3(p2)*3) / 8)
185 | INTERP_32_MASK_SHIFTBACK_2_4((INTERP_32_MASK_SHIFT_2_4(p1)*5 + INTERP_32_MASK_SHIFT_2_4(p2)*3) / 8);
186}
187
188static inline uint32 hq2x_interp_32_151(uint32 p1, uint32 p2)
189{
190 return INTERP_32_MASK_1_3((INTERP_32_MASK_1_3(p1)*15 + INTERP_32_MASK_1_3(p2)) / 16)
191 | INTERP_32_MASK_SHIFTBACK_2_4((INTERP_32_MASK_SHIFT_2_4(p1)*15 + INTERP_32_MASK_SHIFT_2_4(p2)) / 16);
192}
193
194static inline uint32 hq2x_interp_32_97(uint32 p1, uint32 p2)
195{
196 return INTERP_32_MASK_1_3((INTERP_32_MASK_1_3(p1)*9 + INTERP_32_MASK_1_3(p2)*7) / 16)
197 | INTERP_32_MASK_SHIFTBACK_2_4((INTERP_32_MASK_SHIFT_2_4(p1)*9 + INTERP_32_MASK_SHIFT_2_4(p2)*7) / 16);
198}
199
200/***************************************************************************/
201/* diff */
202
203#define INTERP_Y_LIMIT (0x30*4)
204#define INTERP_U_LIMIT (0x07*4)
205#define INTERP_V_LIMIT (0x06*8)
206
207static int hq2x_interp_16_diff(uint16 p1, uint16 p2)
208{
209 int r, g, b;
210 int y, u, v;
211
212 if (p1 == p2)
213 return 0;
214
215 b = (int)((p1 & 0x000F) - (p2 & 0x000F));
216 g = (int)((p1 & 0x00F0) - (p2 & 0x00F0)) >> 4;
217 r = (int)((p1 & 0x0F00) - (p2 & 0x0F00)) >> 8;
218
219 y = r + g + b;
220 u = r - b;
221 v = -r + 2*g - b;
222
223 if (y < -INTERP_Y_LIMIT || y > INTERP_Y_LIMIT)
224 return 1;
225
226 if (u < -INTERP_U_LIMIT || u > INTERP_U_LIMIT)
227 return 1;
228
229 if (v < -INTERP_V_LIMIT || v > INTERP_V_LIMIT)
230 return 1;
231
232 return 0;
233}
234
235static int hq2x_interp_32_diff(uint32 p1, uint32 p2)
236{
237 int r, g, b;
238 int y, u, v;
239
240 if ((p1 & 0xF8F8F8) == (p2 & 0xF8F8F8))
241 return 0;
242
243 b = (int)((p1 & 0xFF) - (p2 & 0xFF));
244 g = (int)((p1 & 0xFF00) - (p2 & 0xFF00)) >> 8;
245 r = (int)((p1 & 0xFF0000) - (p2 & 0xFF0000)) >> 16;
246
247 y = r + g + b;
248 u = r - b;
249 v = -r + 2*g - b;
250
251 if (y < -INTERP_Y_LIMIT || y > INTERP_Y_LIMIT)
252 return 1;
253
254 if (u < -INTERP_U_LIMIT || u > INTERP_U_LIMIT)
255 return 1;
256
257 if (v < -INTERP_V_LIMIT || v > INTERP_V_LIMIT)
258 return 1;
259
260 return 0;
261}
262
263static void interp_set(unsigned bits_per_pixel)
264{
265 interp_bits_per_pixel = bits_per_pixel;
266}
267
268
269static void hq2x_16_def(uint16* dst0, uint16* dst1, const uint16* src0, const uint16* src1, const uint16* src2, unsigned count)
270{
271 unsigned i;
272
273 for(i=0;i<count;++i) {
274 unsigned char mask;
275
276 uint16 c[9];
277
278 c[1] = src0[0];
279 c[4] = src1[0];
280 c[7] = src2[0];
281
282 if (i>0) {
283 c[0] = src0[-1];
284 c[3] = src1[-1];
285 c[6] = src2[-1];
286 } else {
287 c[0] = c[1];
288 c[3] = c[4];
289 c[6] = c[7];
290 }
291
292 if (i<count-1) {
293 c[2] = src0[1];
294 c[5] = src1[1];
295 c[8] = src2[1];
296 } else {
297 c[2] = c[1];
298 c[5] = c[4];
299 c[8] = c[7];
300 }
301
302 mask = 0;
303
304 if (hq2x_interp_16_diff(c[0], c[4]))
305 mask |= 1 << 0;
306 if (hq2x_interp_16_diff(c[1], c[4]))
307 mask |= 1 << 1;
308 if (hq2x_interp_16_diff(c[2], c[4]))
309 mask |= 1 << 2;
310 if (hq2x_interp_16_diff(c[3], c[4]))
311 mask |= 1 << 3;
312 if (hq2x_interp_16_diff(c[5], c[4]))
313 mask |= 1 << 4;
314 if (hq2x_interp_16_diff(c[6], c[4]))
315 mask |= 1 << 5;
316 if (hq2x_interp_16_diff(c[7], c[4]))
317 mask |= 1 << 6;
318 if (hq2x_interp_16_diff(c[8], c[4]))
319 mask |= 1 << 7;
320
321#define P0 dst0[0]
322#define P1 dst0[1]
323#define P2 dst1[0]
324#define P3 dst1[1]
325#define HQ2X_MUR hq2x_interp_16_diff(c[1], c[5])
326#define HQ2X_MDR hq2x_interp_16_diff(c[5], c[7])
327#define HQ2X_MDL hq2x_interp_16_diff(c[7], c[3])
328#define HQ2X_MUL hq2x_interp_16_diff(c[3], c[1])
329#define IC(p0) c[p0]
330#define I11(p0,p1) hq2x_interp_16_11(c[p0], c[p1])
331#define I211(p0,p1,p2) hq2x_interp_16_211(c[p0], c[p1], c[p2])
332#define I31(p0,p1) hq2x_interp_16_31(c[p0], c[p1])
333#define I332(p0,p1,p2) hq2x_interp_16_332(c[p0], c[p1], c[p2])
334#define I431(p0,p1,p2) hq2x_interp_16_431(c[p0], c[p1], c[p2])
335#define I521(p0,p1,p2) hq2x_interp_16_521(c[p0], c[p1], c[p2])
336#define I53(p0,p1) hq2x_interp_16_53(c[p0], c[p1])
337#define I611(p0,p1,p2) hq2x_interp_16_611(c[p0], c[p1], c[p2])
338#define I71(p0,p1) hq2x_interp_16_71(c[p0], c[p1])
339#define I772(p0,p1,p2) hq2x_interp_16_772(c[p0], c[p1], c[p2])
340#define I97(p0,p1) hq2x_interp_16_97(c[p0], c[p1])
341#define I1411(p0,p1,p2) hq2x_interp_16_1411(c[p0], c[p1], c[p2])
342#define I151(p0,p1) hq2x_interp_16_151(c[p0], c[p1])
343
344 switch (mask) {
345#include "TextureFilters_hq2x.h"
346 }
347
348#undef P0
349#undef P1
350#undef P2
351#undef P3
352#undef HQ2X_MUR
353#undef HQ2X_MDR
354#undef HQ2X_MDL
355#undef HQ2X_MUL
356#undef IC
357#undef I11
358#undef I211
359#undef I31
360#undef I332
361#undef I431
362#undef I521
363#undef I53
364#undef I611
365#undef I71
366#undef I772
367#undef I97
368#undef I1411
369#undef I151
370
371 src0 += 1;
372 src1 += 1;
373 src2 += 1;
374 dst0 += 2;
375 dst1 += 2;
376 }
377}
378
379static void hq2x_32_def(uint32* dst0, uint32* dst1, const uint32* src0, const uint32* src1, const uint32* src2, unsigned count)
380{
381 unsigned i;
382
383 for(i=0;i<count;++i) {
384 unsigned char mask;
385
386 uint32 c[9];
387
388 c[1] = src0[0];
389 c[4] = src1[0];
390 c[7] = src2[0];
391
392 if (i>0) {
393 c[0] = src0[-1];
394 c[3] = src1[-1];
395 c[6] = src2[-1];
396 } else {
397 c[0] = src0[0];
398 c[3] = src1[0];
399 c[6] = src2[0];
400 }
401
402 if (i<count-1) {
403 c[2] = src0[1];
404 c[5] = src1[1];
405 c[8] = src2[1];
406 } else {
407 c[2] = src0[0];
408 c[5] = src1[0];
409 c[8] = src2[0];
410 }
411
412 mask = 0;
413
414 if (hq2x_interp_32_diff(c[0], c[4]))
415 mask |= 1 << 0;
416 if (hq2x_interp_32_diff(c[1], c[4]))
417 mask |= 1 << 1;
418 if (hq2x_interp_32_diff(c[2], c[4]))
419 mask |= 1 << 2;
420 if (hq2x_interp_32_diff(c[3], c[4]))
421 mask |= 1 << 3;
422 if (hq2x_interp_32_diff(c[5], c[4]))
423 mask |= 1 << 4;
424 if (hq2x_interp_32_diff(c[6], c[4]))
425 mask |= 1 << 5;
426 if (hq2x_interp_32_diff(c[7], c[4]))
427 mask |= 1 << 6;
428 if (hq2x_interp_32_diff(c[8], c[4]))
429 mask |= 1 << 7;
430
431#define P0 dst0[0]
432#define P1 dst0[1]
433#define P2 dst1[0]
434#define P3 dst1[1]
435#define HQ2X_MUR hq2x_interp_32_diff(c[1], c[5])
436#define HQ2X_MDR hq2x_interp_32_diff(c[5], c[7])
437#define HQ2X_MDL hq2x_interp_32_diff(c[7], c[3])
438#define HQ2X_MUL hq2x_interp_32_diff(c[3], c[1])
439#define IC(p0) c[p0]
440#define I11(p0,p1) hq2x_interp_32_11(c[p0], c[p1])
441#define I211(p0,p1,p2) hq2x_interp_32_211(c[p0], c[p1], c[p2])
442#define I31(p0,p1) hq2x_interp_32_31(c[p0], c[p1])
443#define I332(p0,p1,p2) hq2x_interp_32_332(c[p0], c[p1], c[p2])
444#define I431(p0,p1,p2) hq2x_interp_32_431(c[p0], c[p1], c[p2])
445#define I521(p0,p1,p2) hq2x_interp_32_521(c[p0], c[p1], c[p2])
446#define I53(p0,p1) hq2x_interp_32_53(c[p0], c[p1])
447#define I611(p0,p1,p2) hq2x_interp_32_611(c[p0], c[p1], c[p2])
448#define I71(p0,p1) hq2x_interp_32_71(c[p0], c[p1])
449#define I772(p0,p1,p2) hq2x_interp_32_772(c[p0], c[p1], c[p2])
450#define I97(p0,p1) hq2x_interp_32_97(c[p0], c[p1])
451#define I1411(p0,p1,p2) hq2x_interp_32_1411(c[p0], c[p1], c[p2])
452#define I151(p0,p1) hq2x_interp_32_151(c[p0], c[p1])
453
454 switch (mask) {
455#include "TextureFilters_hq2x.h"
456 }
457
458#undef P0
459#undef P1
460#undef P2
461#undef P3
462#undef HQ2X_MUR
463#undef HQ2X_MDR
464#undef HQ2X_MDL
465#undef HQ2X_MUL
466#undef IC
467#undef I11
468#undef I211
469#undef I31
470#undef I332
471#undef I431
472#undef I521
473#undef I53
474#undef I611
475#undef I71
476#undef I772
477#undef I97
478#undef I1411
479#undef I151
480
481 src0 += 1;
482 src1 += 1;
483 src2 += 1;
484 dst0 += 2;
485 dst1 += 2;
486 }
487}
488
489/***************************************************************************/
490/* LQ2x C implementation */
491
492/*
493* This effect is derived from the hq2x effect made by Maxim Stepin
494*/
495
496static void lq2x_16_def(uint16* dst0, uint16* dst1, const uint16* src0, const uint16* src1, const uint16* src2, unsigned count)
497{
498 unsigned i;
499
500 for(i=0;i<count;++i) {
501 unsigned char mask;
502
503 uint16 c[9];
504
505 c[1] = src0[0];
506 c[4] = src1[0];
507 c[7] = src2[0];
508
509 if (i>0) {
510 c[0] = src0[-1];
511 c[3] = src1[-1];
512 c[6] = src2[-1];
513 } else {
514 c[0] = c[1];
515 c[3] = c[4];
516 c[6] = c[7];
517 }
518
519 if (i<count-1) {
520 c[2] = src0[1];
521 c[5] = src1[1];
522 c[8] = src2[1];
523 } else {
524 c[2] = c[1];
525 c[5] = c[4];
526 c[8] = c[7];
527 }
528
529 mask = 0;
530
531 if (c[0] != c[4])
532 mask |= 1 << 0;
533 if (c[1] != c[4])
534 mask |= 1 << 1;
535 if (c[2] != c[4])
536 mask |= 1 << 2;
537 if (c[3] != c[4])
538 mask |= 1 << 3;
539 if (c[5] != c[4])
540 mask |= 1 << 4;
541 if (c[6] != c[4])
542 mask |= 1 << 5;
543 if (c[7] != c[4])
544 mask |= 1 << 6;
545 if (c[8] != c[4])
546 mask |= 1 << 7;
547
548#define P0 dst0[0]
549#define P1 dst0[1]
550#define P2 dst1[0]
551#define P3 dst1[1]
552#define HQ2X_MUR (c[1] != c[5])
553#define HQ2X_MDR (c[5] != c[7])
554#define HQ2X_MDL (c[7] != c[3])
555#define HQ2X_MUL (c[3] != c[1])
556#define IC(p0) c[p0]
557#define I11(p0,p1) hq2x_interp_16_11(c[p0], c[p1])
558#define I211(p0,p1,p2) hq2x_interp_16_211(c[p0], c[p1], c[p2])
559#define I31(p0,p1) hq2x_interp_16_31(c[p0], c[p1])
560#define I332(p0,p1,p2) hq2x_interp_16_332(c[p0], c[p1], c[p2])
561#define I431(p0,p1,p2) hq2x_interp_16_431(c[p0], c[p1], c[p2])
562#define I521(p0,p1,p2) hq2x_interp_16_521(c[p0], c[p1], c[p2])
563#define I53(p0,p1) hq2x_interp_16_53(c[p0], c[p1])
564#define I611(p0,p1,p2) hq2x_interp_16_611(c[p0], c[p1], c[p2])
565#define I71(p0,p1) hq2x_interp_16_71(c[p0], c[p1])
566#define I772(p0,p1,p2) hq2x_interp_16_772(c[p0], c[p1], c[p2])
567#define I97(p0,p1) hq2x_interp_16_97(c[p0], c[p1])
568#define I1411(p0,p1,p2) hq2x_interp_16_1411(c[p0], c[p1], c[p2])
569#define I151(p0,p1) hq2x_interp_16_151(c[p0], c[p1])
570
571 switch (mask) {
572#include "TextureFilters_lq2x.h"
573 }
574
575#undef P0
576#undef P1
577#undef P2
578#undef P3
579#undef HQ2X_MUR
580#undef HQ2X_MDR
581#undef HQ2X_MDL
582#undef HQ2X_MUL
583#undef IC
584#undef I11
585#undef I211
586#undef I31
587#undef I332
588#undef I431
589#undef I521
590#undef I53
591#undef I611
592#undef I71
593#undef I772
594#undef I97
595#undef I1411
596#undef I151
597
598 src0 += 1;
599 src1 += 1;
600 src2 += 1;
601 dst0 += 2;
602 dst1 += 2;
603 }
604}
605
606static void lq2x_32_def(uint32* dst0, uint32* dst1, const uint32* src0, const uint32* src1, const uint32* src2, unsigned count)
607{
608 unsigned i;
609
610 for(i=0;i<count;++i) {
611 unsigned char mask;
612
613 uint32 c[9];
614
615 c[1] = src0[0];
616 c[4] = src1[0];
617 c[7] = src2[0];
618
619 if (i>0) {
620 c[0] = src0[-1];
621 c[3] = src1[-1];
622 c[6] = src2[-1];
623 } else {
624 c[0] = c[1];
625 c[3] = c[4];
626 c[6] = c[7];
627 }
628
629 if (i<count-1) {
630 c[2] = src0[1];
631 c[5] = src1[1];
632 c[8] = src2[1];
633 } else {
634 c[2] = c[1];
635 c[5] = c[4];
636 c[8] = c[7];
637 }
638
639 mask = 0;
640
641 if (c[0] != c[4])
642 mask |= 1 << 0;
643 if (c[1] != c[4])
644 mask |= 1 << 1;
645 if (c[2] != c[4])
646 mask |= 1 << 2;
647 if (c[3] != c[4])
648 mask |= 1 << 3;
649 if (c[5] != c[4])
650 mask |= 1 << 4;
651 if (c[6] != c[4])
652 mask |= 1 << 5;
653 if (c[7] != c[4])
654 mask |= 1 << 6;
655 if (c[8] != c[4])
656 mask |= 1 << 7;
657
658#define P0 dst0[0]
659#define P1 dst0[1]
660#define P2 dst1[0]
661#define P3 dst1[1]
662#define HQ2X_MUR (c[1] != c[5])
663#define HQ2X_MDR (c[5] != c[7])
664#define HQ2X_MDL (c[7] != c[3])
665#define HQ2X_MUL (c[3] != c[1])
666#define IC(p0) c[p0]
667#define I11(p0,p1) hq2x_interp_32_11(c[p0], c[p1])
668#define I211(p0,p1,p2) hq2x_interp_32_211(c[p0], c[p1], c[p2])
669#define I31(p0,p1) hq2x_interp_32_31(c[p0], c[p1])
670#define I332(p0,p1,p2) hq2x_interp_32_332(c[p0], c[p1], c[p2])
671#define I431(p0,p1,p2) hq2x_interp_32_431(c[p0], c[p1], c[p2])
672#define I521(p0,p1,p2) hq2x_interp_32_521(c[p0], c[p1], c[p2])
673#define I53(p0,p1) hq2x_interp_32_53(c[p0], c[p1])
674#define I611(p0,p1,p2) hq2x_interp_32_611(c[p0], c[p1], c[p2])
675#define I71(p0,p1) hq2x_interp_32_71(c[p0], c[p1])
676#define I772(p0,p1,p2) hq2x_interp_32_772(c[p0], c[p1], c[p2])
677#define I97(p0,p1) hq2x_interp_32_97(c[p0], c[p1])
678#define I1411(p0,p1,p2) hq2x_interp_32_1411(c[p0], c[p1], c[p2])
679#define I151(p0,p1) hq2x_interp_32_151(c[p0], c[p1])
680
681 switch (mask) {
682#include "TextureFilters_lq2x.h"
683 }
684
685#undef P0
686#undef P1
687#undef P2
688#undef P3
689#undef HQ2X_MUR
690#undef HQ2X_MDR
691#undef HQ2X_MDL
692#undef HQ2X_MUL
693#undef IC
694#undef I11
695#undef I211
696#undef I31
697#undef I332
698#undef I431
699#undef I521
700#undef I53
701#undef I611
702#undef I71
703#undef I772
704#undef I97
705#undef I1411
706#undef I151
707
708 src0 += 1;
709 src1 += 1;
710 src2 += 1;
711 dst0 += 2;
712 dst1 += 2;
713 }
714}
715
716void hq2x_16(uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height)
717{
718 uint16 *dst0 = (uint16 *)dstPtr;
719 uint16 *dst1 = dst0 + (dstPitch >> 1);
720
721 uint16 *src0 = (uint16 *)srcPtr;
722 uint16 *src1 = src0 + (srcPitch >> 1);
723 uint16 *src2 = src1 + (srcPitch >> 1);
724
725 hq2x_16_def(dst0, dst1, src0, src0, src1, width);
726 if( height == 1 ) return;
727
728 int count = height;
729
730 count -= 2;
731 while(count>0) {
732 dst0 += dstPitch;
733 dst1 += dstPitch;
734 hq2x_16_def(dst0, dst1, src0, src1, src2, width);
735 src0 = src1;
736 src1 = src2;
737 src2 += srcPitch >> 1;
738 --count;
739 }
740 dst0 += dstPitch;
741 dst1 += dstPitch;
742 hq2x_16_def(dst0, dst1, src0, src1, src1, width);
743}
744
745void hq2x_32(uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height)
746{
747 uint32 *dst0 = (uint32 *)dstPtr;
748 uint32 *dst1 = dst0 + (dstPitch >> 2);
749
750 uint32 *src0 = (uint32 *)srcPtr;
751 uint32 *src1 = src0 + (srcPitch >> 2);
752 uint32 *src2 = src1 + (srcPitch >> 2);
753 hq2x_32_def(dst0, dst1, src0, src0, src1, width);
754 if( height == 1 ) return;
755
756 int count = height;
757
758 count -= 2;
759 while(count>0) {
760 dst0 += dstPitch >> 1;
761 dst1 += dstPitch >> 1;
762 hq2x_32_def(dst0, dst1, src0, src1, src2, width);
763 src0 = src1;
764 src1 = src2;
765 src2 += srcPitch >> 2;
766 --count;
767 }
768 dst0 += dstPitch >> 1;
769 dst1 += dstPitch >> 1;
770 hq2x_32_def(dst0, dst1, src0, src1, src1, width);
771}
772
773void lq2x_16(uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height)
774{
775 uint16 *dst0 = (uint16 *)dstPtr;
776 uint16 *dst1 = dst0 + (dstPitch >> 1);
777
778 uint16 *src0 = (uint16 *)srcPtr;
779 uint16 *src1 = src0 + (srcPitch >> 1);
780 uint16 *src2 = src1 + (srcPitch >> 1);
781
782 lq2x_16_def(dst0, dst1, src0, src0, src1, width);
783 if( height == 1 ) return;
784
785 int count = height;
786
787 count -= 2;
788 while(count>0) {
789 dst0 += dstPitch;
790 dst1 += dstPitch;
791 hq2x_16_def(dst0, dst1, src0, src1, src2, width);
792 src0 = src1;
793 src1 = src2;
794 src2 += srcPitch >> 1;
795 --count;
796 }
797 dst0 += dstPitch;
798 dst1 += dstPitch;
799 lq2x_16_def(dst0, dst1, src0, src1, src1, width);
800}
801
802void lq2x_32(uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height)
803{
804 uint32 *dst0 = (uint32 *)dstPtr;
805 uint32 *dst1 = dst0 + (dstPitch >> 2);
806
807 uint32 *src0 = (uint32 *)srcPtr;
808 uint32 *src1 = src0 + (srcPitch >> 2);
809 uint32 *src2 = src1 + (srcPitch >> 2);
810 lq2x_32_def(dst0, dst1, src0, src0, src1, width);
811 if( height == 1 ) return;
812
813 int count = height;
814
815 count -= 2;
816 while(count>0) {
817 dst0 += dstPitch >> 1;
818 dst1 += dstPitch >> 1;
819 hq2x_32_def(dst0, dst1, src0, src1, src2, width);
820 src0 = src1;
821 src1 = src2;
822 src2 += srcPitch >> 2;
823 --count;
824 }
825 dst0 += dstPitch >> 1;
826 dst1 += dstPitch >> 1;
827 lq2x_32_def(dst0, dst1, src0, src1, src1, width);
828}
829
830void hq2x_init(unsigned bits_per_pixel)
831{
832 interp_set(bits_per_pixel);
833}
834
835/************************************************************************/
836/* hq3x filters */
837/************************************************************************/
838
839/************************************************************************/
840/* scale2x filters */
841/************************************************************************/
842
843/************************************************************************/
844/* scale3x filters */
845/************************************************************************/
846
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