| 1 | /* |
| 2 | Copyright (C) 2003 Rice1964 |
| 3 | |
| 4 | This program is free software; you can redistribute it and/or |
| 5 | modify it under the terms of the GNU General Public License |
| 6 | as published by the Free Software Foundation; either version 2 |
| 7 | of the License, or (at your option) any later version. |
| 8 | |
| 9 | This program is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | GNU General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU General Public License |
| 15 | along with this program; if not, write to the Free Software |
| 16 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 17 | |
| 18 | */ |
| 19 | |
| 20 | /* Copyright (C) 2007 Hiroshi Morii <koolsmoky(at)users.sourceforge.net> |
| 21 | * Modified for the Texture Filtering library |
| 22 | */ |
| 23 | |
| 24 | /* 2007 Mudlord - Added hq2xS lq2xS filters */ |
| 25 | |
| 26 | #include "TextureFilters.h" |
| 27 | |
| 28 | /************************************************************************/ |
| 29 | /* hq2x filters */ |
| 30 | /************************************************************************/ |
| 31 | |
| 32 | /***************************************************************************/ |
| 33 | /* Basic types */ |
| 34 | |
| 35 | /***************************************************************************/ |
| 36 | /* interpolation */ |
| 37 | |
| 38 | //static unsigned interp_bits_per_pixel; |
| 39 | |
| 40 | #if !_16BPP_HACK |
| 41 | #define INTERP_16_MASK_1_3(v) ((v)&0x0F0F) |
| 42 | #define INTERP_16_MASK_SHIFT_2_4(v) (((v)&0xF0F0)>>4) |
| 43 | #define INTERP_16_MASK_SHIFTBACK_2_4(v) ((INTERP_16_MASK_1_3(v))<<4) |
| 44 | |
| 45 | static uint16 hq2x_interp_16_521(uint16 p1, uint16 p2, uint16 p3) |
| 46 | { |
| 47 | 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) |
| 48 | | 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); |
| 49 | } |
| 50 | |
| 51 | static uint16 hq2x_interp_16_332(uint16 p1, uint16 p2, uint16 p3) |
| 52 | { |
| 53 | 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) |
| 54 | | 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); |
| 55 | } |
| 56 | |
| 57 | static uint16 hq2x_interp_16_611(uint16 p1, uint16 p2, uint16 p3) |
| 58 | { |
| 59 | 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) |
| 60 | | 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); |
| 61 | } |
| 62 | |
| 63 | static uint16 hq2x_interp_16_71(uint16 p1, uint16 p2) |
| 64 | { |
| 65 | return INTERP_16_MASK_1_3((INTERP_16_MASK_1_3(p1)*7 + INTERP_16_MASK_1_3(p2)) / 8) |
| 66 | | INTERP_16_MASK_SHIFTBACK_2_4((INTERP_16_MASK_SHIFT_2_4(p1)*7 + INTERP_16_MASK_SHIFT_2_4(p2)) / 8); |
| 67 | } |
| 68 | |
| 69 | static uint16 hq2x_interp_16_211(uint16 p1, uint16 p2, uint16 p3) |
| 70 | { |
| 71 | 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) |
| 72 | | 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); |
| 73 | } |
| 74 | |
| 75 | static uint16 hq2x_interp_16_772(uint16 p1, uint16 p2, uint16 p3) |
| 76 | { |
| 77 | 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) |
| 78 | | 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); |
| 79 | } |
| 80 | |
| 81 | static uint16 hq2x_interp_16_11(uint16 p1, uint16 p2) |
| 82 | { |
| 83 | return INTERP_16_MASK_1_3((INTERP_16_MASK_1_3(p1) + INTERP_16_MASK_1_3(p2)) / 2) |
| 84 | | INTERP_16_MASK_SHIFTBACK_2_4((INTERP_16_MASK_SHIFT_2_4(p1) + INTERP_16_MASK_SHIFT_2_4(p2)) / 2); |
| 85 | } |
| 86 | |
| 87 | static uint16 hq2x_interp_16_31(uint16 p1, uint16 p2) |
| 88 | { |
| 89 | return INTERP_16_MASK_1_3((INTERP_16_MASK_1_3(p1)*3 + INTERP_16_MASK_1_3(p2)) / 4) |
| 90 | | INTERP_16_MASK_SHIFTBACK_2_4((INTERP_16_MASK_SHIFT_2_4(p1)*3 + INTERP_16_MASK_SHIFT_2_4(p2)) / 4); |
| 91 | } |
| 92 | |
| 93 | static uint16 hq2x_interp_16_1411(uint16 p1, uint16 p2, uint16 p3) |
| 94 | { |
| 95 | 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) |
| 96 | | 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); |
| 97 | } |
| 98 | |
| 99 | static uint16 hq2x_interp_16_431(uint16 p1, uint16 p2, uint16 p3) |
| 100 | { |
| 101 | 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) |
| 102 | | 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); |
| 103 | } |
| 104 | |
| 105 | static uint16 hq2x_interp_16_53(uint16 p1, uint16 p2) |
| 106 | { |
| 107 | return INTERP_16_MASK_1_3((INTERP_16_MASK_1_3(p1)*5 + INTERP_16_MASK_1_3(p2)*3) / 8) |
| 108 | | INTERP_16_MASK_SHIFTBACK_2_4((INTERP_16_MASK_SHIFT_2_4(p1)*5 + INTERP_16_MASK_SHIFT_2_4(p2)*3) / 8); |
| 109 | } |
| 110 | |
| 111 | static uint16 hq2x_interp_16_151(uint16 p1, uint16 p2) |
| 112 | { |
| 113 | return INTERP_16_MASK_1_3((INTERP_16_MASK_1_3(p1)*15 + INTERP_16_MASK_1_3(p2)) / 16) |
| 114 | | INTERP_16_MASK_SHIFTBACK_2_4((INTERP_16_MASK_SHIFT_2_4(p1)*15 + INTERP_16_MASK_SHIFT_2_4(p2)) / 16); |
| 115 | } |
| 116 | |
| 117 | static uint16 hq2x_interp_16_97(uint16 p1, uint16 p2) |
| 118 | { |
| 119 | return INTERP_16_MASK_1_3((INTERP_16_MASK_1_3(p1)*9 + INTERP_16_MASK_1_3(p2)*7) / 16) |
| 120 | | INTERP_16_MASK_SHIFTBACK_2_4((INTERP_16_MASK_SHIFT_2_4(p1)*9 + INTERP_16_MASK_SHIFT_2_4(p2)*7) / 16); |
| 121 | } |
| 122 | #endif /* !_16BPP_HACK */ |
| 123 | |
| 124 | #define INTERP_32_MASK_1_3(v) ((v)&0x00FF00FF) |
| 125 | #define INTERP_32_MASK_SHIFT_2_4(v) (((v)&0xFF00FF00)>>8) |
| 126 | #define INTERP_32_MASK_SHIFTBACK_2_4(v) (((INTERP_32_MASK_1_3(v))<<8)) |
| 127 | |
| 128 | static uint32 hq2x_interp_32_521(uint32 p1, uint32 p2, uint32 p3) |
| 129 | { |
| 130 | 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) |
| 131 | | 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); |
| 132 | } |
| 133 | |
| 134 | static uint32 hq2x_interp_32_332(uint32 p1, uint32 p2, uint32 p3) |
| 135 | { |
| 136 | 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) |
| 137 | | 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); |
| 138 | } |
| 139 | |
| 140 | static uint32 hq2x_interp_32_211(uint32 p1, uint32 p2, uint32 p3) |
| 141 | { |
| 142 | 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) |
| 143 | | 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); |
| 144 | } |
| 145 | |
| 146 | static uint32 hq2x_interp_32_611(uint32 p1, uint32 p2, uint32 p3) |
| 147 | { |
| 148 | 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) |
| 149 | | 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); |
| 150 | } |
| 151 | |
| 152 | static uint32 hq2x_interp_32_31(uint32 p1, uint32 p2) |
| 153 | { |
| 154 | return INTERP_32_MASK_1_3((INTERP_32_MASK_1_3(p1)*3 + INTERP_32_MASK_1_3(p2)) / 4) |
| 155 | | INTERP_32_MASK_SHIFTBACK_2_4((INTERP_32_MASK_SHIFT_2_4(p1)*3 + INTERP_32_MASK_SHIFT_2_4(p2)) / 4); |
| 156 | } |
| 157 | |
| 158 | static uint32 hq2x_interp_32_1411(uint32 p1, uint32 p2, uint32 p3) |
| 159 | { |
| 160 | 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) |
| 161 | | 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); |
| 162 | } |
| 163 | |
| 164 | /***************************************************************************/ |
| 165 | /* diff */ |
| 166 | |
| 167 | #define INTERP_Y_LIMIT (0x30*4) |
| 168 | #define INTERP_U_LIMIT (0x07*4) |
| 169 | #define INTERP_V_LIMIT (0x06*8) |
| 170 | |
| 171 | #if !_16BPP_HACK |
| 172 | static int hq2x_interp_16_diff(uint16 p1, uint16 p2) |
| 173 | { |
| 174 | int r, g, b; |
| 175 | int y, u, v; |
| 176 | |
| 177 | if (p1 == p2) |
| 178 | return 0; |
| 179 | |
| 180 | b = (int)((p1 & 0x000F) - (p2 & 0x000F)); |
| 181 | g = (int)((p1 & 0x00F0) - (p2 & 0x00F0)) >> 4; |
| 182 | r = (int)((p1 & 0x0F00) - (p2 & 0x0F00)) >> 8; |
| 183 | |
| 184 | y = r + g + b; |
| 185 | u = r - b; |
| 186 | v = -r + 2*g - b; |
| 187 | |
| 188 | if (y < -INTERP_Y_LIMIT || y > INTERP_Y_LIMIT) |
| 189 | return 1; |
| 190 | |
| 191 | if (u < -INTERP_U_LIMIT || u > INTERP_U_LIMIT) |
| 192 | return 1; |
| 193 | |
| 194 | if (v < -INTERP_V_LIMIT || v > INTERP_V_LIMIT) |
| 195 | return 1; |
| 196 | |
| 197 | return 0; |
| 198 | } |
| 199 | #endif /* !_16BPP_HACK */ |
| 200 | |
| 201 | static int hq2x_interp_32_diff(uint32 p1, uint32 p2) |
| 202 | { |
| 203 | int r, g, b; |
| 204 | int y, u, v; |
| 205 | |
| 206 | if ((p1 & 0xF8F8F8) == (p2 & 0xF8F8F8)) |
| 207 | return 0; |
| 208 | |
| 209 | b = (int)((p1 & 0xFF) - (p2 & 0xFF)); |
| 210 | g = (int)((p1 & 0xFF00) - (p2 & 0xFF00)) >> 8; |
| 211 | r = (int)((p1 & 0xFF0000) - (p2 & 0xFF0000)) >> 16; |
| 212 | |
| 213 | y = r + g + b; |
| 214 | u = r - b; |
| 215 | v = -r + 2*g - b; |
| 216 | |
| 217 | if (y < -INTERP_Y_LIMIT || y > INTERP_Y_LIMIT) |
| 218 | return 1; |
| 219 | |
| 220 | if (u < -INTERP_U_LIMIT || u > INTERP_U_LIMIT) |
| 221 | return 1; |
| 222 | |
| 223 | if (v < -INTERP_V_LIMIT || v > INTERP_V_LIMIT) |
| 224 | return 1; |
| 225 | |
| 226 | return 0; |
| 227 | } |
| 228 | |
| 229 | /*static void interp_set(unsigned bits_per_pixel) |
| 230 | { |
| 231 | interp_bits_per_pixel = bits_per_pixel; |
| 232 | }*/ |
| 233 | |
| 234 | #if !_16BPP_HACK |
| 235 | static void hq2x_16_def(uint16* dst0, uint16* dst1, const uint16* src0, const uint16* src1, const uint16* src2, unsigned count) |
| 236 | { |
| 237 | unsigned i; |
| 238 | |
| 239 | for(i=0;i<count;++i) { |
| 240 | unsigned char mask; |
| 241 | |
| 242 | uint16 c[9]; |
| 243 | |
| 244 | c[1] = src0[0]; |
| 245 | c[4] = src1[0]; |
| 246 | c[7] = src2[0]; |
| 247 | |
| 248 | if (i>0) { |
| 249 | c[0] = src0[-1]; |
| 250 | c[3] = src1[-1]; |
| 251 | c[6] = src2[-1]; |
| 252 | } else { |
| 253 | c[0] = c[1]; |
| 254 | c[3] = c[4]; |
| 255 | c[6] = c[7]; |
| 256 | } |
| 257 | |
| 258 | if (i<count-1) { |
| 259 | c[2] = src0[1]; |
| 260 | c[5] = src1[1]; |
| 261 | c[8] = src2[1]; |
| 262 | } else { |
| 263 | c[2] = c[1]; |
| 264 | c[5] = c[4]; |
| 265 | c[8] = c[7]; |
| 266 | } |
| 267 | |
| 268 | mask = 0; |
| 269 | |
| 270 | if (hq2x_interp_16_diff(c[0], c[4])) |
| 271 | mask |= 1 << 0; |
| 272 | if (hq2x_interp_16_diff(c[1], c[4])) |
| 273 | mask |= 1 << 1; |
| 274 | if (hq2x_interp_16_diff(c[2], c[4])) |
| 275 | mask |= 1 << 2; |
| 276 | if (hq2x_interp_16_diff(c[3], c[4])) |
| 277 | mask |= 1 << 3; |
| 278 | if (hq2x_interp_16_diff(c[5], c[4])) |
| 279 | mask |= 1 << 4; |
| 280 | if (hq2x_interp_16_diff(c[6], c[4])) |
| 281 | mask |= 1 << 5; |
| 282 | if (hq2x_interp_16_diff(c[7], c[4])) |
| 283 | mask |= 1 << 6; |
| 284 | if (hq2x_interp_16_diff(c[8], c[4])) |
| 285 | mask |= 1 << 7; |
| 286 | |
| 287 | #define P0 dst0[0] |
| 288 | #define P1 dst0[1] |
| 289 | #define P2 dst1[0] |
| 290 | #define P3 dst1[1] |
| 291 | #define HQ2X_MUR hq2x_interp_16_diff(c[1], c[5]) |
| 292 | #define HQ2X_MDR hq2x_interp_16_diff(c[5], c[7]) |
| 293 | #define HQ2X_MDL hq2x_interp_16_diff(c[7], c[3]) |
| 294 | #define HQ2X_MUL hq2x_interp_16_diff(c[3], c[1]) |
| 295 | #define IC(p0) c[p0] |
| 296 | #define I11(p0,p1) hq2x_interp_16_11(c[p0], c[p1]) |
| 297 | #define I211(p0,p1,p2) hq2x_interp_16_211(c[p0], c[p1], c[p2]) |
| 298 | #define I31(p0,p1) hq2x_interp_16_31(c[p0], c[p1]) |
| 299 | #define I332(p0,p1,p2) hq2x_interp_16_332(c[p0], c[p1], c[p2]) |
| 300 | #define I431(p0,p1,p2) hq2x_interp_16_431(c[p0], c[p1], c[p2]) |
| 301 | #define I521(p0,p1,p2) hq2x_interp_16_521(c[p0], c[p1], c[p2]) |
| 302 | #define I53(p0,p1) hq2x_interp_16_53(c[p0], c[p1]) |
| 303 | #define I611(p0,p1,p2) hq2x_interp_16_611(c[p0], c[p1], c[p2]) |
| 304 | #define I71(p0,p1) hq2x_interp_16_71(c[p0], c[p1]) |
| 305 | #define I772(p0,p1,p2) hq2x_interp_16_772(c[p0], c[p1], c[p2]) |
| 306 | #define I97(p0,p1) hq2x_interp_16_97(c[p0], c[p1]) |
| 307 | #define I1411(p0,p1,p2) hq2x_interp_16_1411(c[p0], c[p1], c[p2]) |
| 308 | #define I151(p0,p1) hq2x_interp_16_151(c[p0], c[p1]) |
| 309 | |
| 310 | switch (mask) { |
| 311 | #include "TextureFilters_hq2x.h" |
| 312 | } |
| 313 | |
| 314 | #undef P0 |
| 315 | #undef P1 |
| 316 | #undef P2 |
| 317 | #undef P3 |
| 318 | #undef HQ2X_MUR |
| 319 | #undef HQ2X_MDR |
| 320 | #undef HQ2X_MDL |
| 321 | #undef HQ2X_MUL |
| 322 | #undef IC |
| 323 | #undef I11 |
| 324 | #undef I211 |
| 325 | #undef I31 |
| 326 | #undef I332 |
| 327 | #undef I431 |
| 328 | #undef I521 |
| 329 | #undef I53 |
| 330 | #undef I611 |
| 331 | #undef I71 |
| 332 | #undef I772 |
| 333 | #undef I97 |
| 334 | #undef I1411 |
| 335 | #undef I151 |
| 336 | |
| 337 | src0 += 1; |
| 338 | src1 += 1; |
| 339 | src2 += 1; |
| 340 | dst0 += 2; |
| 341 | dst1 += 2; |
| 342 | } |
| 343 | } |
| 344 | |
| 345 | static void hq2xS_16_def(uint16* dst0, uint16* dst1, const uint16* src0, const uint16* src1, const uint16* src2, unsigned count) |
| 346 | { |
| 347 | unsigned i; |
| 348 | |
| 349 | for(i=0;i<count;++i) { |
| 350 | unsigned char mask; |
| 351 | |
| 352 | uint16 c[9]; |
| 353 | |
| 354 | c[1] = src0[0]; |
| 355 | c[4] = src1[0]; |
| 356 | c[7] = src2[0]; |
| 357 | |
| 358 | if (i>0) { |
| 359 | c[0] = src0[-1]; |
| 360 | c[3] = src1[-1]; |
| 361 | c[6] = src2[-1]; |
| 362 | } else { |
| 363 | c[0] = c[1]; |
| 364 | c[3] = c[4]; |
| 365 | c[6] = c[7]; |
| 366 | } |
| 367 | |
| 368 | if (i<count-1) { |
| 369 | c[2] = src0[1]; |
| 370 | c[5] = src1[1]; |
| 371 | c[8] = src2[1]; |
| 372 | } else { |
| 373 | c[2] = c[1]; |
| 374 | c[5] = c[4]; |
| 375 | c[8] = c[7]; |
| 376 | } |
| 377 | |
| 378 | mask = 0; |
| 379 | |
| 380 | // hq2xS dynamic edge detection: |
| 381 | // simply comparing the center color against its surroundings will give bad results in many cases, |
| 382 | // so, instead, compare the center color relative to the max difference in brightness of this 3x3 block |
| 383 | int brightArray[9]; |
| 384 | int maxBright = 0, minBright = 999999; |
| 385 | for(int j = 0 ; j < 9 ; j++) { |
| 386 | int r,g,b; |
| 387 | if (interp_bits_per_pixel == 16) { |
| 388 | b = (int)((c[j] & 0x1F)) << 3; |
| 389 | g = (int)((c[j] & 0x7E0)) >> 3; |
| 390 | r = (int)((c[j] & 0xF800)) >> 8; |
| 391 | } else { |
| 392 | b = (int)((c[j] & 0x1F)) << 3; |
| 393 | g = (int)((c[j] & 0x3E0)) >> 2; |
| 394 | r = (int)((c[j] & 0x7C00)) >> 7; |
| 395 | } |
| 396 | const int bright = r+r+r + g+g+g + b+b; |
| 397 | if(bright > maxBright) maxBright = bright; |
| 398 | if(bright < minBright) minBright = bright; |
| 399 | |
| 400 | brightArray[j] = bright; |
| 401 | } |
| 402 | int diffBright = ((maxBright - minBright) * 7) >> 4; |
| 403 | if(diffBright > 7) { |
| 404 | #define ABS(x) ((x) < 0 ? -(x) : (x)) |
| 405 | |
| 406 | const int centerBright = brightArray[4]; |
| 407 | if(ABS(brightArray[0] - centerBright) > diffBright) |
| 408 | mask |= 1 << 0; |
| 409 | if(ABS(brightArray[1] - centerBright) > diffBright) |
| 410 | mask |= 1 << 1; |
| 411 | if(ABS(brightArray[2] - centerBright) > diffBright) |
| 412 | mask |= 1 << 2; |
| 413 | if(ABS(brightArray[3] - centerBright) > diffBright) |
| 414 | mask |= 1 << 3; |
| 415 | if(ABS(brightArray[5] - centerBright) > diffBright) |
| 416 | mask |= 1 << 4; |
| 417 | if(ABS(brightArray[6] - centerBright) > diffBright) |
| 418 | mask |= 1 << 5; |
| 419 | if(ABS(brightArray[7] - centerBright) > diffBright) |
| 420 | mask |= 1 << 6; |
| 421 | if(ABS(brightArray[8] - centerBright) > diffBright) |
| 422 | mask |= 1 << 7; |
| 423 | } |
| 424 | |
| 425 | #define P0 dst0[0] |
| 426 | #define P1 dst0[1] |
| 427 | #define P2 dst1[0] |
| 428 | #define P3 dst1[1] |
| 429 | #define HQ2X_MUR false |
| 430 | #define HQ2X_MDR false |
| 431 | #define HQ2X_MDL false |
| 432 | #define HQ2X_MUL false |
| 433 | #define IC(p0) c[p0] |
| 434 | #define I11(p0,p1) hq2x_interp_16_11(c[p0], c[p1]) |
| 435 | #define I211(p0,p1,p2) hq2x_interp_16_211(c[p0], c[p1], c[p2]) |
| 436 | #define I31(p0,p1) hq2x_interp_16_31(c[p0], c[p1]) |
| 437 | #define I332(p0,p1,p2) hq2x_interp_16_332(c[p0], c[p1], c[p2]) |
| 438 | #define I431(p0,p1,p2) hq2x_interp_16_431(c[p0], c[p1], c[p2]) |
| 439 | #define I521(p0,p1,p2) hq2x_interp_16_521(c[p0], c[p1], c[p2]) |
| 440 | #define I53(p0,p1) hq2x_interp_16_53(c[p0], c[p1]) |
| 441 | #define I611(p0,p1,p2) hq2x_interp_16_611(c[p0], c[p1], c[p2]) |
| 442 | #define I71(p0,p1) hq2x_interp_16_71(c[p0], c[p1]) |
| 443 | #define I772(p0,p1,p2) hq2x_interp_16_772(c[p0], c[p1], c[p2]) |
| 444 | #define I97(p0,p1) hq2x_interp_16_97(c[p0], c[p1]) |
| 445 | #define I1411(p0,p1,p2) hq2x_interp_16_1411(c[p0], c[p1], c[p2]) |
| 446 | #define I151(p0,p1) hq2x_interp_16_151(c[p0], c[p1]) |
| 447 | |
| 448 | switch (mask) { |
| 449 | #include "TextureFilters_hq2x.h" |
| 450 | } |
| 451 | |
| 452 | #undef P0 |
| 453 | #undef P1 |
| 454 | #undef P2 |
| 455 | #undef P3 |
| 456 | #undef HQ2X_MUR |
| 457 | #undef HQ2X_MDR |
| 458 | #undef HQ2X_MDL |
| 459 | #undef HQ2X_MUL |
| 460 | #undef IC |
| 461 | #undef I11 |
| 462 | #undef I211 |
| 463 | #undef I31 |
| 464 | #undef I332 |
| 465 | #undef I431 |
| 466 | #undef I521 |
| 467 | #undef I53 |
| 468 | #undef I611 |
| 469 | #undef I71 |
| 470 | #undef I772 |
| 471 | #undef I97 |
| 472 | #undef I1411 |
| 473 | #undef I151 |
| 474 | |
| 475 | src0 += 1; |
| 476 | src1 += 1; |
| 477 | src2 += 1; |
| 478 | dst0 += 2; |
| 479 | dst1 += 2; |
| 480 | } |
| 481 | } |
| 482 | #endif /* !_16BPP_HACK */ |
| 483 | |
| 484 | static void hq2x_32_def(uint32* dst0, uint32* dst1, const uint32* src0, const uint32* src1, const uint32* src2, unsigned count) |
| 485 | { |
| 486 | unsigned i; |
| 487 | |
| 488 | for(i=0;i<count;++i) { |
| 489 | unsigned char mask; |
| 490 | |
| 491 | uint32 c[9]; |
| 492 | |
| 493 | c[1] = src0[0]; |
| 494 | c[4] = src1[0]; |
| 495 | c[7] = src2[0]; |
| 496 | |
| 497 | if (i>0) { |
| 498 | c[0] = src0[-1]; |
| 499 | c[3] = src1[-1]; |
| 500 | c[6] = src2[-1]; |
| 501 | } else { |
| 502 | c[0] = src0[0]; |
| 503 | c[3] = src1[0]; |
| 504 | c[6] = src2[0]; |
| 505 | } |
| 506 | |
| 507 | if (i<count-1) { |
| 508 | c[2] = src0[1]; |
| 509 | c[5] = src1[1]; |
| 510 | c[8] = src2[1]; |
| 511 | } else { |
| 512 | c[2] = src0[0]; |
| 513 | c[5] = src1[0]; |
| 514 | c[8] = src2[0]; |
| 515 | } |
| 516 | |
| 517 | mask = 0; |
| 518 | |
| 519 | if (hq2x_interp_32_diff(c[0], c[4])) |
| 520 | mask |= 1 << 0; |
| 521 | if (hq2x_interp_32_diff(c[1], c[4])) |
| 522 | mask |= 1 << 1; |
| 523 | if (hq2x_interp_32_diff(c[2], c[4])) |
| 524 | mask |= 1 << 2; |
| 525 | if (hq2x_interp_32_diff(c[3], c[4])) |
| 526 | mask |= 1 << 3; |
| 527 | if (hq2x_interp_32_diff(c[5], c[4])) |
| 528 | mask |= 1 << 4; |
| 529 | if (hq2x_interp_32_diff(c[6], c[4])) |
| 530 | mask |= 1 << 5; |
| 531 | if (hq2x_interp_32_diff(c[7], c[4])) |
| 532 | mask |= 1 << 6; |
| 533 | if (hq2x_interp_32_diff(c[8], c[4])) |
| 534 | mask |= 1 << 7; |
| 535 | |
| 536 | #define P0 dst0[0] |
| 537 | #define P1 dst0[1] |
| 538 | #define P2 dst1[0] |
| 539 | #define P3 dst1[1] |
| 540 | #define HQ2X_MUR hq2x_interp_32_diff(c[1], c[5]) |
| 541 | #define HQ2X_MDR hq2x_interp_32_diff(c[5], c[7]) |
| 542 | #define HQ2X_MDL hq2x_interp_32_diff(c[7], c[3]) |
| 543 | #define HQ2X_MUL hq2x_interp_32_diff(c[3], c[1]) |
| 544 | #define IC(p0) c[p0] |
| 545 | #define I211(p0,p1,p2) hq2x_interp_32_211(c[p0], c[p1], c[p2]) |
| 546 | #define I31(p0,p1) hq2x_interp_32_31(c[p0], c[p1]) |
| 547 | #define I332(p0,p1,p2) hq2x_interp_32_332(c[p0], c[p1], c[p2]) |
| 548 | #define I521(p0,p1,p2) hq2x_interp_32_521(c[p0], c[p1], c[p2]) |
| 549 | #define I611(p0,p1,p2) hq2x_interp_32_611(c[p0], c[p1], c[p2]) |
| 550 | #define I1411(p0,p1,p2) hq2x_interp_32_1411(c[p0], c[p1], c[p2]) |
| 551 | |
| 552 | switch (mask) { |
| 553 | #include "TextureFilters_hq2x.h" |
| 554 | } |
| 555 | |
| 556 | #undef P0 |
| 557 | #undef P1 |
| 558 | #undef P2 |
| 559 | #undef P3 |
| 560 | #undef HQ2X_MUR |
| 561 | #undef HQ2X_MDR |
| 562 | #undef HQ2X_MDL |
| 563 | #undef HQ2X_MUL |
| 564 | #undef IC |
| 565 | #undef I211 |
| 566 | #undef I31 |
| 567 | #undef I332 |
| 568 | #undef I521 |
| 569 | #undef I611 |
| 570 | #undef I1411 |
| 571 | |
| 572 | src0 += 1; |
| 573 | src1 += 1; |
| 574 | src2 += 1; |
| 575 | dst0 += 2; |
| 576 | dst1 += 2; |
| 577 | } |
| 578 | } |
| 579 | |
| 580 | static void hq2xS_32_def(uint32* dst0, uint32* dst1, const uint32* src0, const uint32* src1, const uint32* src2, unsigned count) |
| 581 | { |
| 582 | unsigned i; |
| 583 | |
| 584 | for(i=0;i<count;++i) { |
| 585 | unsigned char mask; |
| 586 | |
| 587 | uint32 c[9]; |
| 588 | |
| 589 | c[1] = src0[0]; |
| 590 | c[4] = src1[0]; |
| 591 | c[7] = src2[0]; |
| 592 | |
| 593 | if (i>0) { |
| 594 | c[0] = src0[-1]; |
| 595 | c[3] = src1[-1]; |
| 596 | c[6] = src2[-1]; |
| 597 | } else { |
| 598 | c[0] = src0[0]; |
| 599 | c[3] = src1[0]; |
| 600 | c[6] = src2[0]; |
| 601 | } |
| 602 | |
| 603 | if (i<count-1) { |
| 604 | c[2] = src0[1]; |
| 605 | c[5] = src1[1]; |
| 606 | c[8] = src2[1]; |
| 607 | } else { |
| 608 | c[2] = src0[0]; |
| 609 | c[5] = src1[0]; |
| 610 | c[8] = src2[0]; |
| 611 | } |
| 612 | |
| 613 | mask = 0; |
| 614 | // hq2xS dynamic edge detection: |
| 615 | // simply comparing the center color against its surroundings will give bad results in many cases, |
| 616 | // so, instead, compare the center color relative to the max difference in brightness of this 3x3 block |
| 617 | int brightArray[9]; |
| 618 | int maxBright = 0, minBright = 999999; |
| 619 | for(int j = 0 ; j < 9 ; j++) { |
| 620 | const int b = (int)((c[j] & 0xF8)); |
| 621 | const int g = (int)((c[j] & 0xF800)) >> 8; |
| 622 | const int r = (int)((c[j] & 0xF80000)) >> 16; |
| 623 | const int bright = r+r+r + g+g+g + b+b; |
| 624 | if(bright > maxBright) maxBright = bright; |
| 625 | if(bright < minBright) minBright = bright; |
| 626 | |
| 627 | brightArray[j] = bright; |
| 628 | } |
| 629 | int diffBright = ((maxBright - minBright) * 7) >> 4; |
| 630 | if(diffBright > 7) { |
| 631 | #define ABS(x) ((x) < 0 ? -(x) : (x)) |
| 632 | |
| 633 | const int centerBright = brightArray[4]; |
| 634 | if(ABS(brightArray[0] - centerBright) > diffBright) |
| 635 | mask |= 1 << 0; |
| 636 | if(ABS(brightArray[1] - centerBright) > diffBright) |
| 637 | mask |= 1 << 1; |
| 638 | if(ABS(brightArray[2] - centerBright) > diffBright) |
| 639 | mask |= 1 << 2; |
| 640 | if(ABS(brightArray[3] - centerBright) > diffBright) |
| 641 | mask |= 1 << 3; |
| 642 | if(ABS(brightArray[5] - centerBright) > diffBright) |
| 643 | mask |= 1 << 4; |
| 644 | if(ABS(brightArray[6] - centerBright) > diffBright) |
| 645 | mask |= 1 << 5; |
| 646 | if(ABS(brightArray[7] - centerBright) > diffBright) |
| 647 | mask |= 1 << 6; |
| 648 | if(ABS(brightArray[8] - centerBright) > diffBright) |
| 649 | mask |= 1 << 7; |
| 650 | } |
| 651 | #define P0 dst0[0] |
| 652 | #define P1 dst0[1] |
| 653 | #define P2 dst1[0] |
| 654 | #define P3 dst1[1] |
| 655 | #define HQ2X_MUR false |
| 656 | #define HQ2X_MDR false |
| 657 | #define HQ2X_MDL false |
| 658 | #define HQ2X_MUL false |
| 659 | #define IC(p0) c[p0] |
| 660 | #define I211(p0,p1,p2) hq2x_interp_32_211(c[p0], c[p1], c[p2]) |
| 661 | #define I31(p0,p1) hq2x_interp_32_31(c[p0], c[p1]) |
| 662 | #define I332(p0,p1,p2) hq2x_interp_32_332(c[p0], c[p1], c[p2]) |
| 663 | #define I521(p0,p1,p2) hq2x_interp_32_521(c[p0], c[p1], c[p2]) |
| 664 | #define I611(p0,p1,p2) hq2x_interp_32_611(c[p0], c[p1], c[p2]) |
| 665 | #define I1411(p0,p1,p2) hq2x_interp_32_1411(c[p0], c[p1], c[p2]) |
| 666 | |
| 667 | switch (mask) { |
| 668 | #include "TextureFilters_hq2x.h" |
| 669 | } |
| 670 | |
| 671 | #undef P0 |
| 672 | #undef P1 |
| 673 | #undef P2 |
| 674 | #undef P3 |
| 675 | #undef HQ2X_MUR |
| 676 | #undef HQ2X_MDR |
| 677 | #undef HQ2X_MDL |
| 678 | #undef HQ2X_MUL |
| 679 | #undef IC |
| 680 | #undef I211 |
| 681 | #undef I31 |
| 682 | #undef I332 |
| 683 | #undef I521 |
| 684 | #undef I611 |
| 685 | #undef I1411 |
| 686 | |
| 687 | src0 += 1; |
| 688 | src1 += 1; |
| 689 | src2 += 1; |
| 690 | dst0 += 2; |
| 691 | dst1 += 2; |
| 692 | } |
| 693 | } |
| 694 | |
| 695 | /***************************************************************************/ |
| 696 | /* LQ2x C implementation */ |
| 697 | |
| 698 | /* |
| 699 | * This effect is derived from the hq2x effect made by Maxim Stepin |
| 700 | */ |
| 701 | |
| 702 | #if !_16BPP_HACK |
| 703 | static void lq2x_16_def(uint16* dst0, uint16* dst1, const uint16* src0, const uint16* src1, const uint16* src2, unsigned count) |
| 704 | { |
| 705 | unsigned i; |
| 706 | |
| 707 | for(i=0;i<count;++i) { |
| 708 | unsigned char mask; |
| 709 | |
| 710 | uint16 c[9]; |
| 711 | |
| 712 | c[1] = src0[0]; |
| 713 | c[4] = src1[0]; |
| 714 | c[7] = src2[0]; |
| 715 | |
| 716 | if (i>0) { |
| 717 | c[0] = src0[-1]; |
| 718 | c[3] = src1[-1]; |
| 719 | c[6] = src2[-1]; |
| 720 | } else { |
| 721 | c[0] = c[1]; |
| 722 | c[3] = c[4]; |
| 723 | c[6] = c[7]; |
| 724 | } |
| 725 | |
| 726 | if (i<count-1) { |
| 727 | c[2] = src0[1]; |
| 728 | c[5] = src1[1]; |
| 729 | c[8] = src2[1]; |
| 730 | } else { |
| 731 | c[2] = c[1]; |
| 732 | c[5] = c[4]; |
| 733 | c[8] = c[7]; |
| 734 | } |
| 735 | |
| 736 | mask = 0; |
| 737 | |
| 738 | if (c[0] != c[4]) |
| 739 | mask |= 1 << 0; |
| 740 | if (c[1] != c[4]) |
| 741 | mask |= 1 << 1; |
| 742 | if (c[2] != c[4]) |
| 743 | mask |= 1 << 2; |
| 744 | if (c[3] != c[4]) |
| 745 | mask |= 1 << 3; |
| 746 | if (c[5] != c[4]) |
| 747 | mask |= 1 << 4; |
| 748 | if (c[6] != c[4]) |
| 749 | mask |= 1 << 5; |
| 750 | if (c[7] != c[4]) |
| 751 | mask |= 1 << 6; |
| 752 | if (c[8] != c[4]) |
| 753 | mask |= 1 << 7; |
| 754 | |
| 755 | #define P0 dst0[0] |
| 756 | #define P1 dst0[1] |
| 757 | #define P2 dst1[0] |
| 758 | #define P3 dst1[1] |
| 759 | #define HQ2X_MUR (c[1] != c[5]) |
| 760 | #define HQ2X_MDR (c[5] != c[7]) |
| 761 | #define HQ2X_MDL (c[7] != c[3]) |
| 762 | #define HQ2X_MUL (c[3] != c[1]) |
| 763 | #define IC(p0) c[p0] |
| 764 | #define I11(p0,p1) hq2x_interp_16_11(c[p0], c[p1]) |
| 765 | #define I211(p0,p1,p2) hq2x_interp_16_211(c[p0], c[p1], c[p2]) |
| 766 | #define I31(p0,p1) hq2x_interp_16_31(c[p0], c[p1]) |
| 767 | #define I332(p0,p1,p2) hq2x_interp_16_332(c[p0], c[p1], c[p2]) |
| 768 | #define I431(p0,p1,p2) hq2x_interp_16_431(c[p0], c[p1], c[p2]) |
| 769 | #define I521(p0,p1,p2) hq2x_interp_16_521(c[p0], c[p1], c[p2]) |
| 770 | #define I53(p0,p1) hq2x_interp_16_53(c[p0], c[p1]) |
| 771 | #define I611(p0,p1,p2) hq2x_interp_16_611(c[p0], c[p1], c[p2]) |
| 772 | #define I71(p0,p1) hq2x_interp_16_71(c[p0], c[p1]) |
| 773 | #define I772(p0,p1,p2) hq2x_interp_16_772(c[p0], c[p1], c[p2]) |
| 774 | #define I97(p0,p1) hq2x_interp_16_97(c[p0], c[p1]) |
| 775 | #define I1411(p0,p1,p2) hq2x_interp_16_1411(c[p0], c[p1], c[p2]) |
| 776 | #define I151(p0,p1) hq2x_interp_16_151(c[p0], c[p1]) |
| 777 | |
| 778 | switch (mask) { |
| 779 | #include "TextureFilters_lq2x.h" |
| 780 | } |
| 781 | |
| 782 | #undef P0 |
| 783 | #undef P1 |
| 784 | #undef P2 |
| 785 | #undef P3 |
| 786 | #undef HQ2X_MUR |
| 787 | #undef HQ2X_MDR |
| 788 | #undef HQ2X_MDL |
| 789 | #undef HQ2X_MUL |
| 790 | #undef IC |
| 791 | #undef I11 |
| 792 | #undef I211 |
| 793 | #undef I31 |
| 794 | #undef I332 |
| 795 | #undef I431 |
| 796 | #undef I521 |
| 797 | #undef I53 |
| 798 | #undef I611 |
| 799 | #undef I71 |
| 800 | #undef I772 |
| 801 | #undef I97 |
| 802 | #undef I1411 |
| 803 | #undef I151 |
| 804 | |
| 805 | src0 += 1; |
| 806 | src1 += 1; |
| 807 | src2 += 1; |
| 808 | dst0 += 2; |
| 809 | dst1 += 2; |
| 810 | } |
| 811 | } |
| 812 | |
| 813 | static void lq2xS_16_def(uint16* dst0, uint16* dst1, const uint16* src0, const uint16* src1, const uint16* src2, unsigned count) |
| 814 | { |
| 815 | unsigned i; |
| 816 | |
| 817 | for(i=0;i<count;++i) { |
| 818 | unsigned char mask; |
| 819 | |
| 820 | uint16 c[9]; |
| 821 | |
| 822 | c[1] = src0[0]; |
| 823 | c[4] = src1[0]; |
| 824 | c[7] = src2[0]; |
| 825 | |
| 826 | if (i>0) { |
| 827 | c[0] = src0[-1]; |
| 828 | c[3] = src1[-1]; |
| 829 | c[6] = src2[-1]; |
| 830 | } else { |
| 831 | c[0] = c[1]; |
| 832 | c[3] = c[4]; |
| 833 | c[6] = c[7]; |
| 834 | } |
| 835 | |
| 836 | if (i<count-1) { |
| 837 | c[2] = src0[1]; |
| 838 | c[5] = src1[1]; |
| 839 | c[8] = src2[1]; |
| 840 | } else { |
| 841 | c[2] = c[1]; |
| 842 | c[5] = c[4]; |
| 843 | c[8] = c[7]; |
| 844 | } |
| 845 | |
| 846 | // hq2xS dynamic edge detection: |
| 847 | // simply comparing the center color against its surroundings will give bad results in many cases, |
| 848 | // so, instead, compare the center color relative to the max difference in brightness of this 3x3 block |
| 849 | int brightArray[9]; |
| 850 | int maxBright = 0, minBright = 999999; |
| 851 | for(int j = 0 ; j < 9 ; j++) { |
| 852 | const int b = (int)((c[j] & 0xF8)); |
| 853 | const int g = (int)((c[j] & 0xF800)) >> 8; |
| 854 | const int r = (int)((c[j] & 0xF80000)) >> 16; |
| 855 | const int bright = r+r+r + g+g+g + b+b; |
| 856 | if(bright > maxBright) maxBright = bright; |
| 857 | if(bright < minBright) minBright = bright; |
| 858 | |
| 859 | brightArray[j] = bright; |
| 860 | } |
| 861 | int diffBright = ((maxBright - minBright) * 7) >> 4; |
| 862 | if(diffBright > 7) { |
| 863 | #define ABS(x) ((x) < 0 ? -(x) : (x)) |
| 864 | |
| 865 | const int centerBright = brightArray[4]; |
| 866 | if(ABS(brightArray[0] - centerBright) > diffBright) |
| 867 | mask |= 1 << 0; |
| 868 | if(ABS(brightArray[1] - centerBright) > diffBright) |
| 869 | mask |= 1 << 1; |
| 870 | if(ABS(brightArray[2] - centerBright) > diffBright) |
| 871 | mask |= 1 << 2; |
| 872 | if(ABS(brightArray[3] - centerBright) > diffBright) |
| 873 | mask |= 1 << 3; |
| 874 | if(ABS(brightArray[5] - centerBright) > diffBright) |
| 875 | mask |= 1 << 4; |
| 876 | if(ABS(brightArray[6] - centerBright) > diffBright) |
| 877 | mask |= 1 << 5; |
| 878 | if(ABS(brightArray[7] - centerBright) > diffBright) |
| 879 | mask |= 1 << 6; |
| 880 | if(ABS(brightArray[8] - centerBright) > diffBright) |
| 881 | mask |= 1 << 7; |
| 882 | } |
| 883 | |
| 884 | #define P0 dst0[0] |
| 885 | #define P1 dst0[1] |
| 886 | #define P2 dst1[0] |
| 887 | #define P3 dst1[1] |
| 888 | #define HQ2X_MUR false |
| 889 | #define HQ2X_MDR false |
| 890 | #define HQ2X_MDL false |
| 891 | #define HQ2X_MUL false |
| 892 | #define IC(p0) c[p0] |
| 893 | #define I11(p0,p1) hq2x_interp_16_11(c[p0], c[p1]) |
| 894 | #define I211(p0,p1,p2) hq2x_interp_16_211(c[p0], c[p1], c[p2]) |
| 895 | #define I31(p0,p1) hq2x_interp_16_31(c[p0], c[p1]) |
| 896 | #define I332(p0,p1,p2) hq2x_interp_16_332(c[p0], c[p1], c[p2]) |
| 897 | #define I431(p0,p1,p2) hq2x_interp_16_431(c[p0], c[p1], c[p2]) |
| 898 | #define I521(p0,p1,p2) hq2x_interp_16_521(c[p0], c[p1], c[p2]) |
| 899 | #define I53(p0,p1) hq2x_interp_16_53(c[p0], c[p1]) |
| 900 | #define I611(p0,p1,p2) hq2x_interp_16_611(c[p0], c[p1], c[p2]) |
| 901 | #define I71(p0,p1) hq2x_interp_16_71(c[p0], c[p1]) |
| 902 | #define I772(p0,p1,p2) hq2x_interp_16_772(c[p0], c[p1], c[p2]) |
| 903 | #define I97(p0,p1) hq2x_interp_16_97(c[p0], c[p1]) |
| 904 | #define I1411(p0,p1,p2) hq2x_interp_16_1411(c[p0], c[p1], c[p2]) |
| 905 | #define I151(p0,p1) hq2x_interp_16_151(c[p0], c[p1]) |
| 906 | |
| 907 | switch (mask) { |
| 908 | #include "TextureFilters_lq2x.h" |
| 909 | } |
| 910 | |
| 911 | #undef P0 |
| 912 | #undef P1 |
| 913 | #undef P2 |
| 914 | #undef P3 |
| 915 | #undef HQ2X_MUR |
| 916 | #undef HQ2X_MDR |
| 917 | #undef HQ2X_MDL |
| 918 | #undef HQ2X_MUL |
| 919 | #undef IC |
| 920 | #undef I11 |
| 921 | #undef I211 |
| 922 | #undef I31 |
| 923 | #undef I332 |
| 924 | #undef I431 |
| 925 | #undef I521 |
| 926 | #undef I53 |
| 927 | #undef I611 |
| 928 | #undef I71 |
| 929 | #undef I772 |
| 930 | #undef I97 |
| 931 | #undef I1411 |
| 932 | #undef I151 |
| 933 | |
| 934 | src0 += 1; |
| 935 | src1 += 1; |
| 936 | src2 += 1; |
| 937 | dst0 += 2; |
| 938 | dst1 += 2; |
| 939 | } |
| 940 | } |
| 941 | #endif /* !_16BPP_HACK */ |
| 942 | |
| 943 | static void lq2x_32_def(uint32* dst0, uint32* dst1, const uint32* src0, const uint32* src1, const uint32* src2, unsigned count) |
| 944 | { |
| 945 | unsigned i; |
| 946 | |
| 947 | for(i=0;i<count;++i) { |
| 948 | unsigned char mask; |
| 949 | |
| 950 | uint32 c[9]; |
| 951 | |
| 952 | c[1] = src0[0]; |
| 953 | c[4] = src1[0]; |
| 954 | c[7] = src2[0]; |
| 955 | |
| 956 | if (i>0) { |
| 957 | c[0] = src0[-1]; |
| 958 | c[3] = src1[-1]; |
| 959 | c[6] = src2[-1]; |
| 960 | } else { |
| 961 | c[0] = c[1]; |
| 962 | c[3] = c[4]; |
| 963 | c[6] = c[7]; |
| 964 | } |
| 965 | |
| 966 | if (i<count-1) { |
| 967 | c[2] = src0[1]; |
| 968 | c[5] = src1[1]; |
| 969 | c[8] = src2[1]; |
| 970 | } else { |
| 971 | c[2] = c[1]; |
| 972 | c[5] = c[4]; |
| 973 | c[8] = c[7]; |
| 974 | } |
| 975 | |
| 976 | mask = 0; |
| 977 | |
| 978 | if (c[0] != c[4]) |
| 979 | mask |= 1 << 0; |
| 980 | if (c[1] != c[4]) |
| 981 | mask |= 1 << 1; |
| 982 | if (c[2] != c[4]) |
| 983 | mask |= 1 << 2; |
| 984 | if (c[3] != c[4]) |
| 985 | mask |= 1 << 3; |
| 986 | if (c[5] != c[4]) |
| 987 | mask |= 1 << 4; |
| 988 | if (c[6] != c[4]) |
| 989 | mask |= 1 << 5; |
| 990 | if (c[7] != c[4]) |
| 991 | mask |= 1 << 6; |
| 992 | if (c[8] != c[4]) |
| 993 | mask |= 1 << 7; |
| 994 | |
| 995 | #define P0 dst0[0] |
| 996 | #define P1 dst0[1] |
| 997 | #define P2 dst1[0] |
| 998 | #define P3 dst1[1] |
| 999 | #define HQ2X_MUR (c[1] != c[5]) |
| 1000 | #define HQ2X_MDR (c[5] != c[7]) |
| 1001 | #define HQ2X_MDL (c[7] != c[3]) |
| 1002 | #define HQ2X_MUL (c[3] != c[1]) |
| 1003 | #define IC(p0) c[p0] |
| 1004 | #define I211(p0,p1,p2) hq2x_interp_32_211(c[p0], c[p1], c[p2]) |
| 1005 | #define I31(p0,p1) hq2x_interp_32_31(c[p0], c[p1]) |
| 1006 | #define I332(p0,p1,p2) hq2x_interp_32_332(c[p0], c[p1], c[p2]) |
| 1007 | #define I521(p0,p1,p2) hq2x_interp_32_521(c[p0], c[p1], c[p2]) |
| 1008 | #define I611(p0,p1,p2) hq2x_interp_32_611(c[p0], c[p1], c[p2]) |
| 1009 | #define I1411(p0,p1,p2) hq2x_interp_32_1411(c[p0], c[p1], c[p2]) |
| 1010 | |
| 1011 | switch (mask) { |
| 1012 | #include "TextureFilters_lq2x.h" |
| 1013 | } |
| 1014 | |
| 1015 | #undef P0 |
| 1016 | #undef P1 |
| 1017 | #undef P2 |
| 1018 | #undef P3 |
| 1019 | #undef HQ2X_MUR |
| 1020 | #undef HQ2X_MDR |
| 1021 | #undef HQ2X_MDL |
| 1022 | #undef HQ2X_MUL |
| 1023 | #undef IC |
| 1024 | #undef I211 |
| 1025 | #undef I31 |
| 1026 | #undef I332 |
| 1027 | #undef I521 |
| 1028 | #undef I611 |
| 1029 | #undef I1411 |
| 1030 | |
| 1031 | src0 += 1; |
| 1032 | src1 += 1; |
| 1033 | src2 += 1; |
| 1034 | dst0 += 2; |
| 1035 | dst1 += 2; |
| 1036 | } |
| 1037 | } |
| 1038 | |
| 1039 | static void lq2xS_32_def(uint32* dst0, uint32* dst1, const uint32* src0, const uint32* src1, const uint32* src2, unsigned count) |
| 1040 | { |
| 1041 | unsigned i; |
| 1042 | |
| 1043 | for(i=0;i<count;++i) { |
| 1044 | unsigned char mask = 0; |
| 1045 | |
| 1046 | uint32 c[9]; |
| 1047 | |
| 1048 | c[1] = src0[0]; |
| 1049 | c[4] = src1[0]; |
| 1050 | c[7] = src2[0]; |
| 1051 | |
| 1052 | if (i>0) { |
| 1053 | c[0] = src0[-1]; |
| 1054 | c[3] = src1[-1]; |
| 1055 | c[6] = src2[-1]; |
| 1056 | } else { |
| 1057 | c[0] = c[1]; |
| 1058 | c[3] = c[4]; |
| 1059 | c[6] = c[7]; |
| 1060 | } |
| 1061 | |
| 1062 | if (i<count-1) { |
| 1063 | c[2] = src0[1]; |
| 1064 | c[5] = src1[1]; |
| 1065 | c[8] = src2[1]; |
| 1066 | } else { |
| 1067 | c[2] = c[1]; |
| 1068 | c[5] = c[4]; |
| 1069 | c[8] = c[7]; |
| 1070 | } |
| 1071 | |
| 1072 | // hq2xS dynamic edge detection: |
| 1073 | // simply comparing the center color against its surroundings will give bad results in many cases, |
| 1074 | // so, instead, compare the center color relative to the max difference in brightness of this 3x3 block |
| 1075 | int brightArray[9]; |
| 1076 | int maxBright = 0, minBright = 999999; |
| 1077 | for(int j = 0 ; j < 9 ; j++) { |
| 1078 | const int b = (int)((c[j] & 0xF8)); |
| 1079 | const int g = (int)((c[j] & 0xF800)) >> 8; |
| 1080 | const int r = (int)((c[j] & 0xF80000)) >> 16; |
| 1081 | const int bright = r+r+r + g+g+g + b+b; |
| 1082 | if(bright > maxBright) maxBright = bright; |
| 1083 | if(bright < minBright) minBright = bright; |
| 1084 | |
| 1085 | brightArray[j] = bright; |
| 1086 | } |
| 1087 | int diffBright = ((maxBright - minBright) * 7) >> 4; |
| 1088 | if(diffBright > 7) { |
| 1089 | #define ABS(x) ((x) < 0 ? -(x) : (x)) |
| 1090 | |
| 1091 | const int centerBright = brightArray[4]; |
| 1092 | if(ABS(brightArray[0] - centerBright) > diffBright) |
| 1093 | mask |= 1 << 0; |
| 1094 | if(ABS(brightArray[1] - centerBright) > diffBright) |
| 1095 | mask |= 1 << 1; |
| 1096 | if(ABS(brightArray[2] - centerBright) > diffBright) |
| 1097 | mask |= 1 << 2; |
| 1098 | if(ABS(brightArray[3] - centerBright) > diffBright) |
| 1099 | mask |= 1 << 3; |
| 1100 | if(ABS(brightArray[5] - centerBright) > diffBright) |
| 1101 | mask |= 1 << 4; |
| 1102 | if(ABS(brightArray[6] - centerBright) > diffBright) |
| 1103 | mask |= 1 << 5; |
| 1104 | if(ABS(brightArray[7] - centerBright) > diffBright) |
| 1105 | mask |= 1 << 6; |
| 1106 | if(ABS(brightArray[8] - centerBright) > diffBright) |
| 1107 | mask |= 1 << 7; |
| 1108 | } |
| 1109 | |
| 1110 | #define P0 dst0[0] |
| 1111 | #define P1 dst0[1] |
| 1112 | #define P2 dst1[0] |
| 1113 | #define P3 dst1[1] |
| 1114 | #define HQ2X_MUR false |
| 1115 | #define HQ2X_MDR false |
| 1116 | #define HQ2X_MDL false |
| 1117 | #define HQ2X_MUL false |
| 1118 | #define IC(p0) c[p0] |
| 1119 | #define I211(p0,p1,p2) hq2x_interp_32_211(c[p0], c[p1], c[p2]) |
| 1120 | #define I31(p0,p1) hq2x_interp_32_31(c[p0], c[p1]) |
| 1121 | #define I332(p0,p1,p2) hq2x_interp_32_332(c[p0], c[p1], c[p2]) |
| 1122 | #define I521(p0,p1,p2) hq2x_interp_32_521(c[p0], c[p1], c[p2]) |
| 1123 | #define I611(p0,p1,p2) hq2x_interp_32_611(c[p0], c[p1], c[p2]) |
| 1124 | #define I1411(p0,p1,p2) hq2x_interp_32_1411(c[p0], c[p1], c[p2]) |
| 1125 | |
| 1126 | switch (mask) { |
| 1127 | #include "TextureFilters_lq2x.h" |
| 1128 | } |
| 1129 | |
| 1130 | #undef P0 |
| 1131 | #undef P1 |
| 1132 | #undef P2 |
| 1133 | #undef P3 |
| 1134 | #undef HQ2X_MUR |
| 1135 | #undef HQ2X_MDR |
| 1136 | #undef HQ2X_MDL |
| 1137 | #undef HQ2X_MUL |
| 1138 | #undef IC |
| 1139 | #undef I211 |
| 1140 | #undef I31 |
| 1141 | #undef I332 |
| 1142 | #undef I521 |
| 1143 | #undef I611 |
| 1144 | #undef I1411 |
| 1145 | |
| 1146 | src0 += 1; |
| 1147 | src1 += 1; |
| 1148 | src2 += 1; |
| 1149 | dst0 += 2; |
| 1150 | dst1 += 2; |
| 1151 | } |
| 1152 | } |
| 1153 | |
| 1154 | #if !_16BPP_HACK |
| 1155 | void hq2x_16(uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) |
| 1156 | { |
| 1157 | uint16 *dst0 = (uint16 *)dstPtr; |
| 1158 | uint16 *dst1 = dst0 + (dstPitch >> 1); |
| 1159 | |
| 1160 | uint16 *src0 = (uint16 *)srcPtr; |
| 1161 | uint16 *src1 = src0 + (srcPitch >> 1); |
| 1162 | uint16 *src2 = src1 + (srcPitch >> 1); |
| 1163 | |
| 1164 | int count; |
| 1165 | |
| 1166 | hq2x_16_def(dst0, dst1, src0, src0, src1, width); |
| 1167 | if( height == 1 ) return; |
| 1168 | |
| 1169 | count = height; |
| 1170 | |
| 1171 | count -= 2; |
| 1172 | while(count>0) { |
| 1173 | dst0 += dstPitch; |
| 1174 | dst1 += dstPitch; |
| 1175 | hq2x_16_def(dst0, dst1, src0, src1, src2, width); |
| 1176 | src0 = src1; |
| 1177 | src1 = src2; |
| 1178 | src2 += srcPitch >> 1; |
| 1179 | --count; |
| 1180 | } |
| 1181 | dst0 += dstPitch; |
| 1182 | dst1 += dstPitch; |
| 1183 | hq2x_16_def(dst0, dst1, src0, src1, src1, width); |
| 1184 | } |
| 1185 | |
| 1186 | |
| 1187 | void hq2xS_16(u8 *srcPtr, u32 srcPitch, u8 * /* deltaPtr */, |
| 1188 | u8 *dstPtr, u32 dstPitch, int width, int height) |
| 1189 | { |
| 1190 | u16 *dst0 = (u16 *)dstPtr; |
| 1191 | u16 *dst1 = dst0 + (dstPitch >> 1); |
| 1192 | |
| 1193 | u16 *src0 = (u16 *)srcPtr; |
| 1194 | u16 *src1 = src0 + (srcPitch >> 1); |
| 1195 | u16 *src2 = src1 + (srcPitch >> 1); |
| 1196 | |
| 1197 | hq2xS_16_def(dst0, dst1, src0, src0, src1, width); |
| 1198 | |
| 1199 | int count = height; |
| 1200 | |
| 1201 | count -= 2; |
| 1202 | while(count) { |
| 1203 | dst0 += dstPitch; |
| 1204 | dst1 += dstPitch; |
| 1205 | hq2xS_16_def(dst0, dst1, src0, src1, src2, width); |
| 1206 | src0 = src1; |
| 1207 | src1 = src2; |
| 1208 | src2 += srcPitch >> 1; |
| 1209 | --count; |
| 1210 | } |
| 1211 | dst0 += dstPitch; |
| 1212 | dst1 += dstPitch; |
| 1213 | hq2xS_16_def(dst0, dst1, src0, src1, src1, width); |
| 1214 | } |
| 1215 | #endif /* !_16BPP_HACK */ |
| 1216 | |
| 1217 | void hq2x_32(uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) |
| 1218 | { |
| 1219 | uint32 *dst0 = (uint32 *)dstPtr; |
| 1220 | uint32 *dst1 = dst0 + (dstPitch >> 2); |
| 1221 | |
| 1222 | uint32 *src0 = (uint32 *)srcPtr; |
| 1223 | uint32 *src1 = src0 + (srcPitch >> 2); |
| 1224 | uint32 *src2 = src1 + (srcPitch >> 2); |
| 1225 | |
| 1226 | int count; |
| 1227 | |
| 1228 | hq2x_32_def(dst0, dst1, src0, src0, src1, width); |
| 1229 | if( height == 1 ) return; |
| 1230 | |
| 1231 | count = height; |
| 1232 | |
| 1233 | count -= 2; |
| 1234 | while(count>0) { |
| 1235 | dst0 += dstPitch >> 1; |
| 1236 | dst1 += dstPitch >> 1; |
| 1237 | hq2x_32_def(dst0, dst1, src0, src1, src2, width); |
| 1238 | src0 = src1; |
| 1239 | src1 = src2; |
| 1240 | src2 += srcPitch >> 2; |
| 1241 | --count; |
| 1242 | } |
| 1243 | dst0 += dstPitch >> 1; |
| 1244 | dst1 += dstPitch >> 1; |
| 1245 | hq2x_32_def(dst0, dst1, src0, src1, src1, width); |
| 1246 | } |
| 1247 | |
| 1248 | void hq2xS_32(uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) |
| 1249 | { |
| 1250 | uint32 *dst0 = (uint32 *)dstPtr; |
| 1251 | uint32 *dst1 = dst0 + (dstPitch >> 2); |
| 1252 | |
| 1253 | uint32 *src0 = (uint32 *)srcPtr; |
| 1254 | uint32 *src1 = src0 + (srcPitch >> 2); |
| 1255 | uint32 *src2 = src1 + (srcPitch >> 2); |
| 1256 | hq2xS_32_def(dst0, dst1, src0, src0, src1, width); |
| 1257 | |
| 1258 | int count = height; |
| 1259 | |
| 1260 | count -= 2; |
| 1261 | while(count) { |
| 1262 | dst0 += dstPitch >> 1; |
| 1263 | dst1 += dstPitch >> 1; |
| 1264 | hq2xS_32_def(dst0, dst1, src0, src1, src2, width); |
| 1265 | src0 = src1; |
| 1266 | src1 = src2; |
| 1267 | src2 += srcPitch >> 2; |
| 1268 | --count; |
| 1269 | } |
| 1270 | dst0 += dstPitch >> 1; |
| 1271 | dst1 += dstPitch >> 1; |
| 1272 | hq2xS_32_def(dst0, dst1, src0, src1, src1, width); |
| 1273 | } |
| 1274 | |
| 1275 | #if !_16BPP_HACK |
| 1276 | void lq2x_16(uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) |
| 1277 | { |
| 1278 | uint16 *dst0 = (uint16 *)dstPtr; |
| 1279 | uint16 *dst1 = dst0 + (dstPitch >> 1); |
| 1280 | |
| 1281 | uint16 *src0 = (uint16 *)srcPtr; |
| 1282 | uint16 *src1 = src0 + (srcPitch >> 1); |
| 1283 | uint16 *src2 = src1 + (srcPitch >> 1); |
| 1284 | |
| 1285 | int count; |
| 1286 | |
| 1287 | lq2x_16_def(dst0, dst1, src0, src0, src1, width); |
| 1288 | if( height == 1 ) return; |
| 1289 | |
| 1290 | count = height; |
| 1291 | |
| 1292 | count -= 2; |
| 1293 | while(count>0) { |
| 1294 | dst0 += dstPitch; |
| 1295 | dst1 += dstPitch; |
| 1296 | hq2x_16_def(dst0, dst1, src0, src1, src2, width); |
| 1297 | src0 = src1; |
| 1298 | src1 = src2; |
| 1299 | src2 += srcPitch >> 1; |
| 1300 | --count; |
| 1301 | } |
| 1302 | dst0 += dstPitch; |
| 1303 | dst1 += dstPitch; |
| 1304 | lq2x_16_def(dst0, dst1, src0, src1, src1, width); |
| 1305 | } |
| 1306 | |
| 1307 | void lq2xS_16(uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) |
| 1308 | { |
| 1309 | uint16 *dst0 = (uint16 *)dstPtr; |
| 1310 | uint16 *dst1 = dst0 + (dstPitch >> 1); |
| 1311 | |
| 1312 | uint16 *src0 = (uint16 *)srcPtr; |
| 1313 | uint16 *src1 = src0 + (srcPitch >> 1); |
| 1314 | uint16 *src2 = src1 + (srcPitch >> 1); |
| 1315 | |
| 1316 | int count; |
| 1317 | |
| 1318 | lq2xS_16_def(dst0, dst1, src0, src0, src1, width); |
| 1319 | if( height == 1 ) return; |
| 1320 | |
| 1321 | count = height; |
| 1322 | |
| 1323 | count -= 2; |
| 1324 | while(count>0) { |
| 1325 | dst0 += dstPitch; |
| 1326 | dst1 += dstPitch; |
| 1327 | hq2x_16_def(dst0, dst1, src0, src1, src2, width); |
| 1328 | src0 = src1; |
| 1329 | src1 = src2; |
| 1330 | src2 += srcPitch >> 1; |
| 1331 | --count; |
| 1332 | } |
| 1333 | dst0 += dstPitch; |
| 1334 | dst1 += dstPitch; |
| 1335 | lq2xS_16_def(dst0, dst1, src0, src1, src1, width); |
| 1336 | } |
| 1337 | #endif /* !_16BPP_HACK */ |
| 1338 | |
| 1339 | void lq2x_32(uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) |
| 1340 | { |
| 1341 | uint32 *dst0 = (uint32 *)dstPtr; |
| 1342 | uint32 *dst1 = dst0 + (dstPitch >> 2); |
| 1343 | |
| 1344 | uint32 *src0 = (uint32 *)srcPtr; |
| 1345 | uint32 *src1 = src0 + (srcPitch >> 2); |
| 1346 | uint32 *src2 = src1 + (srcPitch >> 2); |
| 1347 | |
| 1348 | int count; |
| 1349 | |
| 1350 | lq2x_32_def(dst0, dst1, src0, src0, src1, width); |
| 1351 | if( height == 1 ) return; |
| 1352 | |
| 1353 | count = height; |
| 1354 | |
| 1355 | count -= 2; |
| 1356 | while(count>0) { |
| 1357 | dst0 += dstPitch >> 1; |
| 1358 | dst1 += dstPitch >> 1; |
| 1359 | hq2x_32_def(dst0, dst1, src0, src1, src2, width); |
| 1360 | src0 = src1; |
| 1361 | src1 = src2; |
| 1362 | src2 += srcPitch >> 2; |
| 1363 | --count; |
| 1364 | } |
| 1365 | dst0 += dstPitch >> 1; |
| 1366 | dst1 += dstPitch >> 1; |
| 1367 | lq2x_32_def(dst0, dst1, src0, src1, src1, width); |
| 1368 | } |
| 1369 | |
| 1370 | void lq2xS_32(uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height) |
| 1371 | { |
| 1372 | uint32 *dst0 = (uint32 *)dstPtr; |
| 1373 | uint32 *dst1 = dst0 + (dstPitch >> 2); |
| 1374 | |
| 1375 | uint32 *src0 = (uint32 *)srcPtr; |
| 1376 | uint32 *src1 = src0 + (srcPitch >> 2); |
| 1377 | uint32 *src2 = src1 + (srcPitch >> 2); |
| 1378 | |
| 1379 | int count; |
| 1380 | |
| 1381 | lq2xS_32_def(dst0, dst1, src0, src0, src1, width); |
| 1382 | if( height == 1 ) return; |
| 1383 | |
| 1384 | count = height; |
| 1385 | |
| 1386 | count -= 2; |
| 1387 | while(count>0) { |
| 1388 | dst0 += dstPitch >> 1; |
| 1389 | dst1 += dstPitch >> 1; |
| 1390 | hq2x_32_def(dst0, dst1, src0, src1, src2, width); |
| 1391 | src0 = src1; |
| 1392 | src1 = src2; |
| 1393 | src2 += srcPitch >> 2; |
| 1394 | --count; |
| 1395 | } |
| 1396 | dst0 += dstPitch >> 1; |
| 1397 | dst1 += dstPitch >> 1; |
| 1398 | lq2xS_32_def(dst0, dst1, src0, src1, src1, width); |
| 1399 | } |
| 1400 | |
| 1401 | /************************************************************************/ |
| 1402 | /* hq3x filters */ |
| 1403 | /************************************************************************/ |
| 1404 | |
| 1405 | /************************************************************************/ |
| 1406 | /* scale2x filters */ |
| 1407 | /************************************************************************/ |
| 1408 | |
| 1409 | /************************************************************************/ |
| 1410 | /* scale3x filters */ |
| 1411 | /************************************************************************/ |
| 1412 | |