1/* 2 * yuv2rgb_mmx.c, software YUV to RGB converter with Intel MMX "technology" 3 * 4 * Copyright (C) 2000, Silicon Integrated System Corp 5 * 6 * Author: Olie Lho <ollie@sis.com.tw> 7 * 8 * 15,24 bpp and dithering from Michael Niedermayer (michaelni@gmx.at) 9 * MMX/MMX2 Template stuff from Michael Niedermayer (needed for fast movntq support) 10 * context / deglobalize stuff by Michael Niedermayer 11 * 12 * This file is part of mpeg2dec, a free MPEG-2 video decoder 13 * 14 * mpeg2dec is free software; you can redistribute it and/or modify 15 * it under the terms of the GNU General Public License as published by 16 * the Free Software Foundation; either version 2, or (at your option) 17 * any later version. 18 * 19 * mpeg2dec is distributed in the hope that it will be useful, 20 * but WITHOUT ANY WARRANTY; without even the implied warranty of 21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 22 * GNU General Public License for more details. 23 * 24 * You should have received a copy of the GNU General Public License 25 * along with mpeg2dec; if not, write to the Free Software 26 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 27 */ 28 29#undef MOVNTQ 30#undef EMMS 31#undef SFENCE 32 33#if HAVE_AMD3DNOW 34/* On K6 femms is faster than emms. On K7 femms is directly mapped to emms. */ 35#define EMMS "femms" 36#else 37#define EMMS "emms" 38#endif 39 40#if HAVE_MMX2 41#define MOVNTQ "movntq" 42#define SFENCE "sfence" 43#else 44#define MOVNTQ "movq" 45#define SFENCE " # nop" 46#endif 47 48#define YUV2RGB \ 49 /* Do the multiply part of the conversion for even and odd pixels, 50 register usage: 51 mm0 -> Cblue, mm1 -> Cred, mm2 -> Cgreen even pixels, 52 mm3 -> Cblue, mm4 -> Cred, mm5 -> Cgreen odd pixels, 53 mm6 -> Y even, mm7 -> Y odd */\ 54 /* convert the chroma part */\ 55 "punpcklbw %%mm4, %%mm0;" /* scatter 4 Cb 00 u3 00 u2 00 u1 00 u0 */ \ 56 "punpcklbw %%mm4, %%mm1;" /* scatter 4 Cr 00 v3 00 v2 00 v1 00 v0 */ \ 57\ 58 "psllw $3, %%mm0;" /* Promote precision */ \ 59 "psllw $3, %%mm1;" /* Promote precision */ \ 60\ 61 "psubsw "U_OFFSET"(%4), %%mm0;" /* Cb -= 128 */ \ 62 "psubsw "V_OFFSET"(%4), %%mm1;" /* Cr -= 128 */ \ 63\ 64 "movq %%mm0, %%mm2;" /* Copy 4 Cb 00 u3 00 u2 00 u1 00 u0 */ \ 65 "movq %%mm1, %%mm3;" /* Copy 4 Cr 00 v3 00 v2 00 v1 00 v0 */ \ 66\ 67 "pmulhw "UG_COEFF"(%4), %%mm2;" /* Mul Cb with green coeff -> Cb green */ \ 68 "pmulhw "VG_COEFF"(%4), %%mm3;" /* Mul Cr with green coeff -> Cr green */ \ 69\ 70 "pmulhw "UB_COEFF"(%4), %%mm0;" /* Mul Cb -> Cblue 00 b3 00 b2 00 b1 00 b0 */\ 71 "pmulhw "VR_COEFF"(%4), %%mm1;" /* Mul Cr -> Cred 00 r3 00 r2 00 r1 00 r0 */\ 72\ 73 "paddsw %%mm3, %%mm2;" /* Cb green + Cr green -> Cgreen */\ 74\ 75 /* convert the luma part */\ 76 "movq %%mm6, %%mm7;" /* Copy 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */\ 77 "pand "MANGLE(mmx_00ffw)", %%mm6;" /* get Y even 00 Y6 00 Y4 00 Y2 00 Y0 */\ 78\ 79 "psrlw $8, %%mm7;" /* get Y odd 00 Y7 00 Y5 00 Y3 00 Y1 */\ 80\ 81 "psllw $3, %%mm6;" /* Promote precision */\ 82 "psllw $3, %%mm7;" /* Promote precision */\ 83\ 84 "psubw "Y_OFFSET"(%4), %%mm6;" /* Y -= 16 */\ 85 "psubw "Y_OFFSET"(%4), %%mm7;" /* Y -= 16 */\ 86\ 87 "pmulhw "Y_COEFF"(%4), %%mm6;" /* Mul 4 Y even 00 y6 00 y4 00 y2 00 y0 */\ 88 "pmulhw "Y_COEFF"(%4), %%mm7;" /* Mul 4 Y odd 00 y7 00 y5 00 y3 00 y1 */\ 89\ 90 /* Do the addition part of the conversion for even and odd pixels, 91 register usage: 92 mm0 -> Cblue, mm1 -> Cred, mm2 -> Cgreen even pixels, 93 mm3 -> Cblue, mm4 -> Cred, mm5 -> Cgreen odd pixels, 94 mm6 -> Y even, mm7 -> Y odd */\ 95 "movq %%mm0, %%mm3;" /* Copy Cblue */\ 96 "movq %%mm1, %%mm4;" /* Copy Cred */\ 97 "movq %%mm2, %%mm5;" /* Copy Cgreen */\ 98\ 99 "paddsw %%mm6, %%mm0;" /* Y even + Cblue 00 B6 00 B4 00 B2 00 B0 */\ 100 "paddsw %%mm7, %%mm3;" /* Y odd + Cblue 00 B7 00 B5 00 B3 00 B1 */\ 101\ 102 "paddsw %%mm6, %%mm1;" /* Y even + Cred 00 R6 00 R4 00 R2 00 R0 */\ 103 "paddsw %%mm7, %%mm4;" /* Y odd + Cred 00 R7 00 R5 00 R3 00 R1 */\ 104\ 105 "paddsw %%mm6, %%mm2;" /* Y even + Cgreen 00 G6 00 G4 00 G2 00 G0 */\ 106 "paddsw %%mm7, %%mm5;" /* Y odd + Cgreen 00 G7 00 G5 00 G3 00 G1 */\ 107\ 108 /* Limit RGB even to 0..255 */\ 109 "packuswb %%mm0, %%mm0;" /* B6 B4 B2 B0 B6 B4 B2 B0 */\ 110 "packuswb %%mm1, %%mm1;" /* R6 R4 R2 R0 R6 R4 R2 R0 */\ 111 "packuswb %%mm2, %%mm2;" /* G6 G4 G2 G0 G6 G4 G2 G0 */\ 112\ 113 /* Limit RGB odd to 0..255 */\ 114 "packuswb %%mm3, %%mm3;" /* B7 B5 B3 B1 B7 B5 B3 B1 */\ 115 "packuswb %%mm4, %%mm4;" /* R7 R5 R3 R1 R7 R5 R3 R1 */\ 116 "packuswb %%mm5, %%mm5;" /* G7 G5 G3 G1 G7 G5 G3 G1 */\ 117\ 118 /* Interleave RGB even and odd */\ 119 "punpcklbw %%mm3, %%mm0;" /* B7 B6 B5 B4 B3 B2 B1 B0 */\ 120 "punpcklbw %%mm4, %%mm1;" /* R7 R6 R5 R4 R3 R2 R1 R0 */\ 121 "punpcklbw %%mm5, %%mm2;" /* G7 G6 G5 G4 G3 G2 G1 G0 */\ 122 123 124#define YUV422_UNSHIFT \ 125 if(c->srcFormat == PIX_FMT_YUV422P) {\ 126 srcStride[1] *= 2; \ 127 srcStride[2] *= 2; \ 128 } \ 129 130#define YUV2RGB_LOOP(depth) \ 131 h_size= (c->dstW+7)&~7; \ 132 if(h_size*depth > FFABS(dstStride[0])) h_size-=8; \ 133\ 134 __asm__ volatile ("pxor %mm4, %mm4;" /* zero mm4 */ ); \ 135 for (y= 0; y<srcSliceH; y++ ) { \ 136 uint8_t *image = dst[0] + (y+srcSliceY)*dstStride[0]; \ 137 const uint8_t *py = src[0] + y*srcStride[0]; \ 138 const uint8_t *pu = src[1] + (y>>1)*srcStride[1]; \ 139 const uint8_t *pv = src[2] + (y>>1)*srcStride[2]; \ 140 x86_reg index= -h_size/2; \ 141 142#define YUV2RGB_INIT \ 143 /* This MMX assembly code deals with a SINGLE scan line at a time, \ 144 * it converts 8 pixels in each iteration. */ \ 145 __asm__ volatile ( \ 146 /* load data for start of next scan line */ \ 147 "movd (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */ \ 148 "movd (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */ \ 149 "movq (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */ \ 150 /* \ 151 ".balign 16 \n\t" \ 152 */ \ 153 "1: \n\t" \ 154 /* No speed difference on my p3@500 with prefetch, \ 155 * if it is faster for anyone with -benchmark then tell me. \ 156 PREFETCH" 64(%0) \n\t" \ 157 PREFETCH" 64(%1) \n\t" \ 158 PREFETCH" 64(%2) \n\t" \ 159 */ \ 160 161#define YUV2RGB_ENDLOOP(depth) \ 162 "add $"AV_STRINGIFY(depth*8)", %1 \n\t" \ 163 "add $4, %0 \n\t" \ 164 " js 1b \n\t" \ 165 166#define YUV2RGB_OPERANDS \ 167 : "+r" (index), "+r" (image) \ 168 : "r" (pu - index), "r" (pv - index), "r"(&c->redDither), "r" (py - 2*index) \ 169 ); \ 170 } \ 171 __asm__ volatile (SFENCE"\n\t"EMMS); \ 172 return srcSliceH; \ 173 174#define YUV2RGB_OPERANDS_ALPHA \ 175 : "+r" (index), "+r" (image) \ 176 : "r" (pu - index), "r" (pv - index), "r"(&c->redDither), "r" (py - 2*index), "r" (pa - 2*index) \ 177 ); \ 178 } \ 179 __asm__ volatile (SFENCE"\n\t"EMMS); \ 180 return srcSliceH; \ 181 182static inline int RENAME(yuv420_rgb16)(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, 183 int srcSliceH, uint8_t* dst[], int dstStride[]) 184{ 185 int y, h_size; 186 187 YUV422_UNSHIFT 188 YUV2RGB_LOOP(2) 189 190 c->blueDither= ff_dither8[y&1]; 191 c->greenDither= ff_dither4[y&1]; 192 c->redDither= ff_dither8[(y+1)&1]; 193 194 YUV2RGB_INIT 195 YUV2RGB 196 197#ifdef DITHER1XBPP 198 "paddusb "BLUE_DITHER"(%4), %%mm0;" 199 "paddusb "GREEN_DITHER"(%4), %%mm2;" 200 "paddusb "RED_DITHER"(%4), %%mm1;" 201#endif 202 /* mask unneeded bits off */ 203 "pand "MANGLE(mmx_redmask)", %%mm0;" /* b7b6b5b4 b3_0_0_0 b7b6b5b4 b3_0_0_0 */ 204 "pand "MANGLE(mmx_grnmask)", %%mm2;" /* g7g6g5g4 g3g2_0_0 g7g6g5g4 g3g2_0_0 */ 205 "pand "MANGLE(mmx_redmask)", %%mm1;" /* r7r6r5r4 r3_0_0_0 r7r6r5r4 r3_0_0_0 */ 206 207 "psrlw $3, %%mm0;" /* 0_0_0_b7 b6b5b4b3 0_0_0_b7 b6b5b4b3 */ 208 "pxor %%mm4, %%mm4;" /* zero mm4 */ 209 210 "movq %%mm0, %%mm5;" /* Copy B7-B0 */ 211 "movq %%mm2, %%mm7;" /* Copy G7-G0 */ 212 213 /* convert RGB24 plane to RGB16 pack for pixel 0-3 */ 214 "punpcklbw %%mm4, %%mm2;" /* 0_0_0_0 0_0_0_0 g7g6g5g4 g3g2_0_0 */ 215 "punpcklbw %%mm1, %%mm0;" /* r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3 */ 216 217 "psllw $3, %%mm2;" /* 0_0_0_0 0_g7g6g5 g4g3g2_0 0_0_0_0 */ 218 "por %%mm2, %%mm0;" /* r7r6r5r4 r3g7g6g5 g4g3g2b7 b6b5b4b3 */ 219 220 "movq 8 (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */ 221 MOVNTQ " %%mm0, (%1);" /* store pixel 0-3 */ 222 223 /* convert RGB24 plane to RGB16 pack for pixel 0-3 */ 224 "punpckhbw %%mm4, %%mm7;" /* 0_0_0_0 0_0_0_0 g7g6g5g4 g3g2_0_0 */ 225 "punpckhbw %%mm1, %%mm5;" /* r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3 */ 226 227 "psllw $3, %%mm7;" /* 0_0_0_0 0_g7g6g5 g4g3g2_0 0_0_0_0 */ 228 "movd 4 (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */ 229 230 "por %%mm7, %%mm5;" /* r7r6r5r4 r3g7g6g5 g4g3g2b7 b6b5b4b3 */ 231 "movd 4 (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */ 232 233 MOVNTQ " %%mm5, 8 (%1);" /* store pixel 4-7 */ 234 235 YUV2RGB_ENDLOOP(2) 236 YUV2RGB_OPERANDS 237} 238 239static inline int RENAME(yuv420_rgb15)(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, 240 int srcSliceH, uint8_t* dst[], int dstStride[]) 241{ 242 int y, h_size; 243 244 YUV422_UNSHIFT 245 YUV2RGB_LOOP(2) 246 247 c->blueDither= ff_dither8[y&1]; 248 c->greenDither= ff_dither8[y&1]; 249 c->redDither= ff_dither8[(y+1)&1]; 250 251 YUV2RGB_INIT 252 YUV2RGB 253 254#ifdef DITHER1XBPP 255 "paddusb "BLUE_DITHER"(%4), %%mm0 \n\t" 256 "paddusb "GREEN_DITHER"(%4), %%mm2 \n\t" 257 "paddusb "RED_DITHER"(%4), %%mm1 \n\t" 258#endif 259 260 /* mask unneeded bits off */ 261 "pand "MANGLE(mmx_redmask)", %%mm0;" /* b7b6b5b4 b3_0_0_0 b7b6b5b4 b3_0_0_0 */ 262 "pand "MANGLE(mmx_redmask)", %%mm2;" /* g7g6g5g4 g3_0_0_0 g7g6g5g4 g3_0_0_0 */ 263 "pand "MANGLE(mmx_redmask)", %%mm1;" /* r7r6r5r4 r3_0_0_0 r7r6r5r4 r3_0_0_0 */ 264 265 "psrlw $3, %%mm0;" /* 0_0_0_b7 b6b5b4b3 0_0_0_b7 b6b5b4b3 */ 266 "psrlw $1, %%mm1;" /* 0_r7r6r5 r4r3_0_0 0_r7r6r5 r4r3_0_0 */ 267 "pxor %%mm4, %%mm4;" /* zero mm4 */ 268 269 "movq %%mm0, %%mm5;" /* Copy B7-B0 */ 270 "movq %%mm2, %%mm7;" /* Copy G7-G0 */ 271 272 /* convert RGB24 plane to RGB16 pack for pixel 0-3 */ 273 "punpcklbw %%mm4, %%mm2;" /* 0_0_0_0 0_0_0_0 g7g6g5g4 g3_0_0_0 */ 274 "punpcklbw %%mm1, %%mm0;" /* r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3 */ 275 276 "psllw $2, %%mm2;" /* 0_0_0_0 0_0_g7g6 g5g4g3_0 0_0_0_0 */ 277 "por %%mm2, %%mm0;" /* 0_r7r6r5 r4r3g7g6 g5g4g3b7 b6b5b4b3 */ 278 279 "movq 8 (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */ 280 MOVNTQ " %%mm0, (%1);" /* store pixel 0-3 */ 281 282 /* convert RGB24 plane to RGB16 pack for pixel 0-3 */ 283 "punpckhbw %%mm4, %%mm7;" /* 0_0_0_0 0_0_0_0 0_g7g6g5 g4g3_0_0 */ 284 "punpckhbw %%mm1, %%mm5;" /* r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3 */ 285 286 "psllw $2, %%mm7;" /* 0_0_0_0 0_0_g7g6 g5g4g3_0 0_0_0_0 */ 287 "movd 4 (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */ 288 289 "por %%mm7, %%mm5;" /* 0_r7r6r5 r4r3g7g6 g5g4g3b7 b6b5b4b3 */ 290 "movd 4 (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */ 291 292 MOVNTQ " %%mm5, 8 (%1);" /* store pixel 4-7 */ 293 294 YUV2RGB_ENDLOOP(2) 295 YUV2RGB_OPERANDS 296} 297 298#undef RGB_PLANAR2PACKED24 299#if HAVE_MMX2 300#define RGB_PLANAR2PACKED24(red, blue)\ 301 "movq "MANGLE(ff_M24A)", %%mm4 \n\t"\ 302 "movq "MANGLE(ff_M24C)", %%mm7 \n\t"\ 303 "pshufw $0x50, %%mm"blue", %%mm5 \n\t" /* B3 B2 B3 B2 B1 B0 B1 B0 */\ 304 "pshufw $0x50, %%mm2, %%mm3 \n\t" /* G3 G2 G3 G2 G1 G0 G1 G0 */\ 305 "pshufw $0x00, %%mm"red", %%mm6 \n\t" /* R1 R0 R1 R0 R1 R0 R1 R0 */\ 306\ 307 "pand %%mm4, %%mm5 \n\t" /* B2 B1 B0 */\ 308 "pand %%mm4, %%mm3 \n\t" /* G2 G1 G0 */\ 309 "pand %%mm7, %%mm6 \n\t" /* R1 R0 */\ 310\ 311 "psllq $8, %%mm3 \n\t" /* G2 G1 G0 */\ 312 "por %%mm5, %%mm6 \n\t"\ 313 "por %%mm3, %%mm6 \n\t"\ 314 MOVNTQ" %%mm6, (%1) \n\t"\ 315\ 316 "psrlq $8, %%mm2 \n\t" /* 00 G7 G6 G5 G4 G3 G2 G1 */\ 317 "pshufw $0xA5, %%mm"blue", %%mm5\n\t" /* B5 B4 B5 B4 B3 B2 B3 B2 */\ 318 "pshufw $0x55, %%mm2, %%mm3 \n\t" /* G4 G3 G4 G3 G4 G3 G4 G3 */\ 319 "pshufw $0xA5, %%mm"red", %%mm6 \n\t" /* R5 R4 R5 R4 R3 R2 R3 R2 */\ 320\ 321 "pand "MANGLE(ff_M24B)", %%mm5 \n\t" /* B5 B4 B3 */\ 322 "pand %%mm7, %%mm3 \n\t" /* G4 G3 */\ 323 "pand %%mm4, %%mm6 \n\t" /* R4 R3 R2 */\ 324\ 325 "por %%mm5, %%mm3 \n\t" /* B5 G4 B4 G3 B3 */\ 326 "por %%mm3, %%mm6 \n\t"\ 327 MOVNTQ" %%mm6, 8(%1) \n\t"\ 328\ 329 "pshufw $0xFF, %%mm"blue", %%mm5\n\t" /* B7 B6 B7 B6 B7 B6 B6 B7 */\ 330 "pshufw $0xFA, %%mm2, %%mm3 \n\t" /* 00 G7 00 G7 G6 G5 G6 G5 */\ 331 "pshufw $0xFA, %%mm"red", %%mm6 \n\t" /* R7 R6 R7 R6 R5 R4 R5 R4 */\ 332 "movd 4 (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */\ 333\ 334 "pand %%mm7, %%mm5 \n\t" /* B7 B6 */\ 335 "pand %%mm4, %%mm3 \n\t" /* G7 G6 G5 */\ 336 "pand "MANGLE(ff_M24B)", %%mm6 \n\t" /* R7 R6 R5 */\ 337 "movd 4 (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */\ 338\ 339 "por %%mm5, %%mm3 \n\t"\ 340 "por %%mm3, %%mm6 \n\t"\ 341 MOVNTQ" %%mm6, 16(%1) \n\t"\ 342 "movq 8 (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */\ 343 "pxor %%mm4, %%mm4 \n\t" 344#else 345#define RGB_PLANAR2PACKED24(red, blue)\ 346 "pxor %%mm4, %%mm4 \n\t"\ 347 "movq %%mm"blue", %%mm5\n\t" /* B */\ 348 "movq %%mm"red", %%mm6 \n\t" /* R */\ 349 "punpcklbw %%mm2, %%mm"blue"\n\t" /* GBGBGBGB 0 */\ 350 "punpcklbw %%mm4, %%mm"red" \n\t" /* 0R0R0R0R 0 */\ 351 "punpckhbw %%mm2, %%mm5 \n\t" /* GBGBGBGB 2 */\ 352 "punpckhbw %%mm4, %%mm6 \n\t" /* 0R0R0R0R 2 */\ 353 "movq %%mm"blue", %%mm7\n\t" /* GBGBGBGB 0 */\ 354 "movq %%mm5, %%mm3 \n\t" /* GBGBGBGB 2 */\ 355 "punpcklwd %%mm"red", %%mm7 \n\t" /* 0RGB0RGB 0 */\ 356 "punpckhwd %%mm"red", %%mm"blue"\n\t" /* 0RGB0RGB 1 */\ 357 "punpcklwd %%mm6, %%mm5 \n\t" /* 0RGB0RGB 2 */\ 358 "punpckhwd %%mm6, %%mm3 \n\t" /* 0RGB0RGB 3 */\ 359\ 360 "movq %%mm7, %%mm2 \n\t" /* 0RGB0RGB 0 */\ 361 "movq %%mm"blue", %%mm6\n\t" /* 0RGB0RGB 1 */\ 362 "movq %%mm5, %%mm"red" \n\t" /* 0RGB0RGB 2 */\ 363 "movq %%mm3, %%mm4 \n\t" /* 0RGB0RGB 3 */\ 364\ 365 "psllq $40, %%mm7 \n\t" /* RGB00000 0 */\ 366 "psllq $40, %%mm"blue"\n\t" /* RGB00000 1 */\ 367 "psllq $40, %%mm5 \n\t" /* RGB00000 2 */\ 368 "psllq $40, %%mm3 \n\t" /* RGB00000 3 */\ 369\ 370 "punpckhdq %%mm2, %%mm7 \n\t" /* 0RGBRGB0 0 */\ 371 "punpckhdq %%mm6, %%mm"blue"\n\t" /* 0RGBRGB0 1 */\ 372 "punpckhdq %%mm"red", %%mm5 \n\t" /* 0RGBRGB0 2 */\ 373 "punpckhdq %%mm4, %%mm3 \n\t" /* 0RGBRGB0 3 */\ 374\ 375 "psrlq $8, %%mm7 \n\t" /* 00RGBRGB 0 */\ 376 "movq %%mm"blue", %%mm6\n\t" /* 0RGBRGB0 1 */\ 377 "psllq $40, %%mm"blue"\n\t" /* GB000000 1 */\ 378 "por %%mm"blue", %%mm7\n\t" /* GBRGBRGB 0 */\ 379 MOVNTQ" %%mm7, (%1) \n\t"\ 380\ 381 "psrlq $24, %%mm6 \n\t" /* 0000RGBR 1 */\ 382 "movq %%mm5, %%mm"red" \n\t" /* 0RGBRGB0 2 */\ 383 "psllq $24, %%mm5 \n\t" /* BRGB0000 2 */\ 384 "por %%mm5, %%mm6 \n\t" /* BRGBRGBR 1 */\ 385 MOVNTQ" %%mm6, 8(%1) \n\t"\ 386\ 387 "movq 8 (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */\ 388\ 389 "psrlq $40, %%mm"red" \n\t" /* 000000RG 2 */\ 390 "psllq $8, %%mm3 \n\t" /* RGBRGB00 3 */\ 391 "por %%mm3, %%mm"red" \n\t" /* RGBRGBRG 2 */\ 392 MOVNTQ" %%mm"red", 16(%1)\n\t"\ 393\ 394 "movd 4 (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */\ 395 "movd 4 (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */\ 396 "pxor %%mm4, %%mm4 \n\t" 397#endif 398 399static inline int RENAME(yuv420_rgb24)(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, 400 int srcSliceH, uint8_t* dst[], int dstStride[]) 401{ 402 int y, h_size; 403 404 YUV422_UNSHIFT 405 YUV2RGB_LOOP(3) 406 407 YUV2RGB_INIT 408 YUV2RGB 409 /* mm0=B, %%mm2=G, %%mm1=R */ 410 RGB_PLANAR2PACKED24("0", "1") 411 412 YUV2RGB_ENDLOOP(3) 413 YUV2RGB_OPERANDS 414} 415 416static inline int RENAME(yuv420_bgr24)(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, 417 int srcSliceH, uint8_t* dst[], int dstStride[]) 418{ 419 int y, h_size; 420 421 YUV422_UNSHIFT 422 YUV2RGB_LOOP(3) 423 424 YUV2RGB_INIT 425 YUV2RGB 426 /* mm0=B, %%mm2=G, %%mm1=R */ 427 RGB_PLANAR2PACKED24("1", "0") 428 429 YUV2RGB_ENDLOOP(3) 430 YUV2RGB_OPERANDS 431} 432 433/* 434 435RGB_PLANAR2PACKED32(red,green,blue,alpha) 436 437convert RGB plane to RGB packed format 438 439macro parameters specify the output color channel order: 440 441RGB_PLANAR2PACKED32(REG_RED, REG_GREEN, REG_BLUE, REG_ALPHA) for RGBA output, 442RGB_PLANAR2PACKED32(REG_BLUE, REG_GREEN, REG_RED, REG_ALPHA) for BGRA output, 443RGB_PLANAR2PACKED32(REG_ALPHA,REG_BLUE, REG_GREEN,REG_RED) for ABGR output, 444 445etc. 446*/ 447 448#define REG_BLUE "0" 449#define REG_RED "1" 450#define REG_GREEN "2" 451#define REG_ALPHA "3" 452 453#define RGB_PLANAR2PACKED32(red,green,blue,alpha) \ 454 /* convert RGB plane to RGB packed format, \ 455 mm0 -> B, mm1 -> R, mm2 -> G, mm3 -> A, \ 456 mm4 -> GB, mm5 -> AR pixel 4-7, \ 457 mm6 -> GB, mm7 -> AR pixel 0-3 */ \ 458 "movq %%mm" blue ", %%mm6;" /* B7 B6 B5 B4 B3 B2 B1 B0 */ \ 459 "movq %%mm" red ", %%mm7;" /* R7 R6 R5 R4 R3 R2 R1 R0 */ \ 460\ 461 "movq %%mm" blue ", %%mm4;" /* B7 B6 B5 B4 B3 B2 B1 B0 */ \ 462 "movq %%mm" red ", %%mm5;" /* R7 R6 R5 R4 R3 R2 R1 R0 */ \ 463\ 464 "punpcklbw %%mm" green ", %%mm6;" /* G3 B3 G2 B2 G1 B1 G0 B0 */ \ 465 "punpcklbw %%mm" alpha ", %%mm7;" /* A3 R3 A2 R2 A1 R1 A0 R0 */ \ 466\ 467 "punpcklwd %%mm7, %%mm6;" /* A1 R1 B1 G1 A0 R0 B0 G0 */ \ 468 MOVNTQ " %%mm6, (%1);" /* Store ARGB1 ARGB0 */ \ 469\ 470 "movq %%mm" blue ", %%mm6;" /* B7 B6 B5 B4 B3 B2 B1 B0 */ \ 471 "punpcklbw %%mm" green ", %%mm6;" /* G3 B3 G2 B2 G1 B1 G0 B0 */ \ 472\ 473 "punpckhwd %%mm7, %%mm6;" /* A3 R3 G3 B3 A2 R2 B3 G2 */ \ 474 MOVNTQ " %%mm6, 8 (%1);" /* Store ARGB3 ARGB2 */ \ 475\ 476 "punpckhbw %%mm" green ", %%mm4;" /* G7 B7 G6 B6 G5 B5 G4 B4 */ \ 477 "punpckhbw %%mm" alpha ", %%mm5;" /* A7 R7 A6 R6 A5 R5 A4 R4 */ \ 478\ 479 "punpcklwd %%mm5, %%mm4;" /* A5 R5 B5 G5 A4 R4 B4 G4 */ \ 480 MOVNTQ " %%mm4, 16 (%1);" /* Store ARGB5 ARGB4 */ \ 481\ 482 "movq %%mm" blue ", %%mm4;" /* B7 B6 B5 B4 B3 B2 B1 B0 */ \ 483 "punpckhbw %%mm" green ", %%mm4;" /* G7 B7 G6 B6 G5 B5 G4 B4 */ \ 484\ 485 "punpckhwd %%mm5, %%mm4;" /* A7 R7 G7 B7 A6 R6 B6 G6 */ \ 486 MOVNTQ " %%mm4, 24 (%1);" /* Store ARGB7 ARGB6 */ \ 487\ 488 "movd 4 (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */ \ 489 "movd 4 (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */ \ 490\ 491 "pxor %%mm4, %%mm4;" /* zero mm4 */ \ 492 "movq 8 (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */ \ 493 494static inline int RENAME(yuv420_rgb32)(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, 495 int srcSliceH, uint8_t* dst[], int dstStride[]) 496{ 497 int y, h_size; 498 499 YUV422_UNSHIFT 500 YUV2RGB_LOOP(4) 501 502 YUV2RGB_INIT 503 YUV2RGB 504 "pcmpeqd %%mm3, %%mm3;" /* fill mm3 */ 505 RGB_PLANAR2PACKED32(REG_RED,REG_GREEN,REG_BLUE,REG_ALPHA) 506 507 YUV2RGB_ENDLOOP(4) 508 YUV2RGB_OPERANDS 509} 510 511static inline int RENAME(yuva420_rgb32)(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, 512 int srcSliceH, uint8_t* dst[], int dstStride[]) 513{ 514#if HAVE_7REGS 515 int y, h_size; 516 517 YUV2RGB_LOOP(4) 518 519 const uint8_t *pa = src[3] + y*srcStride[3]; 520 YUV2RGB_INIT 521 YUV2RGB 522 "movq (%6, %0, 2), %%mm3;" /* Load 8 A A7 A6 A5 A4 A3 A2 A1 A0 */ 523 RGB_PLANAR2PACKED32(REG_RED,REG_GREEN,REG_BLUE,REG_ALPHA) 524 525 YUV2RGB_ENDLOOP(4) 526 YUV2RGB_OPERANDS_ALPHA 527#endif 528} 529 530static inline int RENAME(yuv420_bgr32)(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, 531 int srcSliceH, uint8_t* dst[], int dstStride[]) 532{ 533 int y, h_size; 534 535 YUV422_UNSHIFT 536 YUV2RGB_LOOP(4) 537 538 YUV2RGB_INIT 539 YUV2RGB 540 "pcmpeqd %%mm3, %%mm3;" /* fill mm3 */ 541 RGB_PLANAR2PACKED32(REG_BLUE,REG_GREEN,REG_RED,REG_ALPHA) 542 543 YUV2RGB_ENDLOOP(4) 544 YUV2RGB_OPERANDS 545} 546 547static inline int RENAME(yuva420_bgr32)(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, 548 int srcSliceH, uint8_t* dst[], int dstStride[]) 549{ 550#if HAVE_7REGS 551 int y, h_size; 552 553 YUV2RGB_LOOP(4) 554 555 const uint8_t *pa = src[3] + y*srcStride[3]; 556 YUV2RGB_INIT 557 YUV2RGB 558 "movq (%6, %0, 2), %%mm3;" /* Load 8 A A7 A6 A5 A4 A3 A2 A1 A0 */ 559 RGB_PLANAR2PACKED32(REG_BLUE,REG_GREEN,REG_RED,REG_ALPHA) 560 561 YUV2RGB_ENDLOOP(4) 562 YUV2RGB_OPERANDS_ALPHA 563#endif 564} 565