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        uint8_t *py = src[0] + y*srcStride[0];                \
138        uint8_t *pu = src[1] + (y>>1)*srcStride[1];           \
139        uint8_t *pv = src[2] + (y>>1)*srcStride[2];           \
140        long 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        : "+r" (index), "+r" (image) \
167        : "r" (pu - index), "r" (pv - index), "r"(&c->redDither), "r" (py - 2*index) \
168        ); \
169    } \
170    __asm__ volatile (EMMS); \
171    return srcSliceH; \
172
173static inline int RENAME(yuv420_rgb16)(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
174                                       int srcSliceH, uint8_t* dst[], int dstStride[]){
175    int y, h_size;
176
177    YUV422_UNSHIFT
178    YUV2RGB_LOOP(2)
179
180        c->blueDither= ff_dither8[y&1];
181        c->greenDither= ff_dither4[y&1];
182        c->redDither= ff_dither8[(y+1)&1];
183
184        YUV2RGB_INIT
185        YUV2RGB
186
187#ifdef DITHER1XBPP
188        "paddusb "BLUE_DITHER"(%4), %%mm0;"
189        "paddusb "GREEN_DITHER"(%4), %%mm2;"
190        "paddusb "RED_DITHER"(%4), %%mm1;"
191#endif
192        /* mask unneeded bits off */
193        "pand "MANGLE(mmx_redmask)", %%mm0;" /* b7b6b5b4 b3_0_0_0 b7b6b5b4 b3_0_0_0 */
194        "pand "MANGLE(mmx_grnmask)", %%mm2;" /* g7g6g5g4 g3g2_0_0 g7g6g5g4 g3g2_0_0 */
195        "pand "MANGLE(mmx_redmask)", %%mm1;" /* r7r6r5r4 r3_0_0_0 r7r6r5r4 r3_0_0_0 */
196
197        "psrlw   $3, %%mm0;" /* 0_0_0_b7 b6b5b4b3 0_0_0_b7 b6b5b4b3 */
198        "pxor %%mm4, %%mm4;" /* zero mm4 */
199
200        "movq %%mm0, %%mm5;" /* Copy B7-B0 */
201        "movq %%mm2, %%mm7;" /* Copy G7-G0 */
202
203        /* convert RGB24 plane to RGB16 pack for pixel 0-3 */
204        "punpcklbw %%mm4, %%mm2;" /* 0_0_0_0 0_0_0_0 g7g6g5g4 g3g2_0_0 */
205        "punpcklbw %%mm1, %%mm0;" /* r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3 */
206
207        "psllw  $3, %%mm2;" /* 0_0_0_0 0_g7g6g5 g4g3g2_0 0_0_0_0 */
208        "por %%mm2, %%mm0;" /* r7r6r5r4 r3g7g6g5 g4g3g2b7 b6b5b4b3 */
209
210        "movq 8 (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */
211        MOVNTQ "      %%mm0, (%1);" /* store pixel 0-3 */
212
213        /* convert RGB24 plane to RGB16 pack for pixel 0-3 */
214        "punpckhbw %%mm4, %%mm7;" /* 0_0_0_0 0_0_0_0 g7g6g5g4 g3g2_0_0 */
215        "punpckhbw %%mm1, %%mm5;" /* r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3 */
216
217        "psllw        $3, %%mm7;" /* 0_0_0_0 0_g7g6g5 g4g3g2_0 0_0_0_0 */
218        "movd 4 (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */
219
220        "por       %%mm7, %%mm5;" /* r7r6r5r4 r3g7g6g5 g4g3g2b7 b6b5b4b3 */
221        "movd 4 (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */
222
223        MOVNTQ "   %%mm5, 8 (%1);" /* store pixel 4-7 */
224
225    YUV2RGB_ENDLOOP(2)
226}
227
228static inline int RENAME(yuv420_rgb15)(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
229                                       int srcSliceH, uint8_t* dst[], int dstStride[]){
230    int y, h_size;
231
232    YUV422_UNSHIFT
233    YUV2RGB_LOOP(2)
234
235        c->blueDither= ff_dither8[y&1];
236        c->greenDither= ff_dither8[y&1];
237        c->redDither= ff_dither8[(y+1)&1];
238
239        YUV2RGB_INIT
240        YUV2RGB
241
242#ifdef DITHER1XBPP
243        "paddusb "BLUE_DITHER"(%4), %%mm0  \n\t"
244        "paddusb "GREEN_DITHER"(%4), %%mm2  \n\t"
245        "paddusb "RED_DITHER"(%4), %%mm1  \n\t"
246#endif
247
248        /* mask unneeded bits off */
249        "pand "MANGLE(mmx_redmask)", %%mm0;" /* b7b6b5b4 b3_0_0_0 b7b6b5b4 b3_0_0_0 */
250        "pand "MANGLE(mmx_redmask)", %%mm2;" /* g7g6g5g4 g3_0_0_0 g7g6g5g4 g3_0_0_0 */
251        "pand "MANGLE(mmx_redmask)", %%mm1;" /* r7r6r5r4 r3_0_0_0 r7r6r5r4 r3_0_0_0 */
252
253        "psrlw   $3, %%mm0;" /* 0_0_0_b7 b6b5b4b3 0_0_0_b7 b6b5b4b3 */
254        "psrlw   $1, %%mm1;" /* 0_r7r6r5  r4r3_0_0 0_r7r6r5 r4r3_0_0 */
255        "pxor %%mm4, %%mm4;" /* zero mm4 */
256
257        "movq %%mm0, %%mm5;" /* Copy B7-B0 */
258        "movq %%mm2, %%mm7;" /* Copy G7-G0 */
259
260        /* convert RGB24 plane to RGB16 pack for pixel 0-3 */
261        "punpcklbw %%mm4, %%mm2;" /* 0_0_0_0 0_0_0_0 g7g6g5g4 g3_0_0_0 */
262        "punpcklbw %%mm1, %%mm0;" /* r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3 */
263
264        "psllw  $2, %%mm2;" /* 0_0_0_0 0_0_g7g6 g5g4g3_0 0_0_0_0 */
265        "por %%mm2, %%mm0;" /* 0_r7r6r5 r4r3g7g6 g5g4g3b7 b6b5b4b3 */
266
267        "movq 8 (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */
268        MOVNTQ "      %%mm0, (%1);"  /* store pixel 0-3 */
269
270        /* convert RGB24 plane to RGB16 pack for pixel 0-3 */
271        "punpckhbw %%mm4, %%mm7;" /* 0_0_0_0 0_0_0_0 0_g7g6g5 g4g3_0_0 */
272        "punpckhbw %%mm1, %%mm5;" /* r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3 */
273
274        "psllw        $2, %%mm7;" /* 0_0_0_0 0_0_g7g6 g5g4g3_0 0_0_0_0 */
275        "movd 4 (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */
276
277        "por       %%mm7, %%mm5;" /* 0_r7r6r5 r4r3g7g6 g5g4g3b7 b6b5b4b3 */
278        "movd 4 (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */
279
280        MOVNTQ " %%mm5, 8 (%1);" /* store pixel 4-7 */
281
282    YUV2RGB_ENDLOOP(2)
283}
284
285static inline int RENAME(yuv420_rgb24)(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
286                                       int srcSliceH, uint8_t* dst[], int dstStride[]){
287    int y, h_size;
288
289    YUV422_UNSHIFT
290    YUV2RGB_LOOP(3)
291
292        YUV2RGB_INIT
293        YUV2RGB
294        /* mm0=B, %%mm2=G, %%mm1=R */
295#if HAVE_MMX2
296        "movq "MANGLE(ff_M24A)", %%mm4     \n\t"
297        "movq "MANGLE(ff_M24C)", %%mm7     \n\t"
298        "pshufw $0x50, %%mm0, %%mm5     \n\t" /* B3 B2 B3 B2  B1 B0 B1 B0 */
299        "pshufw $0x50, %%mm2, %%mm3     \n\t" /* G3 G2 G3 G2  G1 G0 G1 G0 */
300        "pshufw $0x00, %%mm1, %%mm6     \n\t" /* R1 R0 R1 R0  R1 R0 R1 R0 */
301
302        "pand   %%mm4, %%mm5            \n\t" /*    B2        B1       B0 */
303        "pand   %%mm4, %%mm3            \n\t" /*    G2        G1       G0 */
304        "pand   %%mm7, %%mm6            \n\t" /*       R1        R0       */
305
306        "psllq     $8, %%mm3            \n\t" /* G2        G1       G0    */
307        "por    %%mm5, %%mm6            \n\t"
308        "por    %%mm3, %%mm6            \n\t"
309        MOVNTQ" %%mm6, (%1)             \n\t"
310
311        "psrlq     $8, %%mm2            \n\t" /* 00 G7 G6 G5  G4 G3 G2 G1 */
312        "pshufw $0xA5, %%mm0, %%mm5     \n\t" /* B5 B4 B5 B4  B3 B2 B3 B2 */
313        "pshufw $0x55, %%mm2, %%mm3     \n\t" /* G4 G3 G4 G3  G4 G3 G4 G3 */
314        "pshufw $0xA5, %%mm1, %%mm6     \n\t" /* R5 R4 R5 R4  R3 R2 R3 R2 */
315
316        "pand "MANGLE(ff_M24B)", %%mm5     \n\t" /* B5       B4        B3    */
317        "pand          %%mm7, %%mm3     \n\t" /*       G4        G3       */
318        "pand          %%mm4, %%mm6     \n\t" /*    R4        R3       R2 */
319
320        "por    %%mm5, %%mm3            \n\t" /* B5    G4 B4     G3 B3    */
321        "por    %%mm3, %%mm6            \n\t"
322        MOVNTQ" %%mm6, 8(%1)            \n\t"
323
324        "pshufw $0xFF, %%mm0, %%mm5     \n\t" /* B7 B6 B7 B6  B7 B6 B6 B7 */
325        "pshufw $0xFA, %%mm2, %%mm3     \n\t" /* 00 G7 00 G7  G6 G5 G6 G5 */
326        "pshufw $0xFA, %%mm1, %%mm6     \n\t" /* R7 R6 R7 R6  R5 R4 R5 R4 */
327        "movd 4 (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */
328
329        "pand          %%mm7, %%mm5     \n\t" /*       B7        B6       */
330        "pand          %%mm4, %%mm3     \n\t" /*    G7        G6       G5 */
331        "pand "MANGLE(ff_M24B)", %%mm6     \n\t" /* R7       R6        R5    */
332        "movd 4 (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */
333\
334        "por          %%mm5, %%mm3      \n\t"
335        "por          %%mm3, %%mm6      \n\t"
336        MOVNTQ"       %%mm6, 16(%1)     \n\t"
337        "movq 8 (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */
338        "pxor         %%mm4, %%mm4      \n\t"
339
340#else
341
342        "pxor      %%mm4, %%mm4     \n\t"
343        "movq      %%mm0, %%mm5     \n\t" /* B */
344        "movq      %%mm1, %%mm6     \n\t" /* R */
345        "punpcklbw %%mm2, %%mm0     \n\t" /* GBGBGBGB 0 */
346        "punpcklbw %%mm4, %%mm1     \n\t" /* 0R0R0R0R 0 */
347        "punpckhbw %%mm2, %%mm5     \n\t" /* GBGBGBGB 2 */
348        "punpckhbw %%mm4, %%mm6     \n\t" /* 0R0R0R0R 2 */
349        "movq      %%mm0, %%mm7     \n\t" /* GBGBGBGB 0 */
350        "movq      %%mm5, %%mm3     \n\t" /* GBGBGBGB 2 */
351        "punpcklwd %%mm1, %%mm7     \n\t" /* 0RGB0RGB 0 */
352        "punpckhwd %%mm1, %%mm0     \n\t" /* 0RGB0RGB 1 */
353        "punpcklwd %%mm6, %%mm5     \n\t" /* 0RGB0RGB 2 */
354        "punpckhwd %%mm6, %%mm3     \n\t" /* 0RGB0RGB 3 */
355
356        "movq      %%mm7, %%mm2     \n\t" /* 0RGB0RGB 0 */
357        "movq      %%mm0, %%mm6     \n\t" /* 0RGB0RGB 1 */
358        "movq      %%mm5, %%mm1     \n\t" /* 0RGB0RGB 2 */
359        "movq      %%mm3, %%mm4     \n\t" /* 0RGB0RGB 3 */
360
361        "psllq       $40, %%mm7     \n\t" /* RGB00000 0 */
362        "psllq       $40, %%mm0     \n\t" /* RGB00000 1 */
363        "psllq       $40, %%mm5     \n\t" /* RGB00000 2 */
364        "psllq       $40, %%mm3     \n\t" /* RGB00000 3 */
365
366        "punpckhdq %%mm2, %%mm7     \n\t" /* 0RGBRGB0 0 */
367        "punpckhdq %%mm6, %%mm0     \n\t" /* 0RGBRGB0 1 */
368        "punpckhdq %%mm1, %%mm5     \n\t" /* 0RGBRGB0 2 */
369        "punpckhdq %%mm4, %%mm3     \n\t" /* 0RGBRGB0 3 */
370
371        "psrlq        $8, %%mm7     \n\t" /* 00RGBRGB 0 */
372        "movq      %%mm0, %%mm6     \n\t" /* 0RGBRGB0 1 */
373        "psllq       $40, %%mm0     \n\t" /* GB000000 1 */
374        "por       %%mm0, %%mm7     \n\t" /* GBRGBRGB 0 */
375        MOVNTQ"    %%mm7, (%1)      \n\t"
376
377        "movd 4 (%2, %0), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */
378
379        "psrlq       $24, %%mm6     \n\t" /* 0000RGBR 1 */
380        "movq      %%mm5, %%mm1     \n\t" /* 0RGBRGB0 2 */
381        "psllq       $24, %%mm5     \n\t" /* BRGB0000 2 */
382        "por       %%mm5, %%mm6     \n\t" /* BRGBRGBR 1 */
383        MOVNTQ"    %%mm6, 8(%1)     \n\t"
384
385        "movq 8 (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */
386
387        "psrlq       $40, %%mm1     \n\t" /* 000000RG 2 */
388        "psllq        $8, %%mm3     \n\t" /* RGBRGB00 3 */
389        "por       %%mm3, %%mm1     \n\t" /* RGBRGBRG 2 */
390        MOVNTQ"    %%mm1, 16(%1)    \n\t"
391
392        "movd 4 (%3, %0), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */
393        "pxor      %%mm4, %%mm4     \n\t"
394#endif
395
396    YUV2RGB_ENDLOOP(3)
397}
398
399#define RGB_PLANAR2PACKED32                                             \
400    /* convert RGB plane to RGB packed format,                          \
401       mm0 ->  B, mm1 -> R, mm2 -> G, mm3 -> A,                         \
402       mm4 -> GB, mm5 -> AR pixel 4-7,                                  \
403       mm6 -> GB, mm7 -> AR pixel 0-3 */                                \
404    "movq      %%mm0, %%mm6;"   /* B7 B6 B5 B4 B3 B2 B1 B0 */           \
405    "movq      %%mm1, %%mm7;"   /* R7 R6 R5 R4 R3 R2 R1 R0 */           \
406\
407    "movq      %%mm0, %%mm4;"   /* B7 B6 B5 B4 B3 B2 B1 B0 */           \
408    "movq      %%mm1, %%mm5;"   /* R7 R6 R5 R4 R3 R2 R1 R0 */           \
409\
410    "punpcklbw %%mm2, %%mm6;"   /* G3 B3 G2 B2 G1 B1 G0 B0 */           \
411    "punpcklbw %%mm3, %%mm7;"   /* A3 R3 A2 R2 A1 R1 A0 R0 */           \
412\
413    "punpcklwd %%mm7, %%mm6;"   /* A1 R1 B1 G1 A0 R0 B0 G0 */           \
414    MOVNTQ "   %%mm6, (%1);"    /* Store ARGB1 ARGB0 */                 \
415\
416    "movq      %%mm0, %%mm6;"   /* B7 B6 B5 B4 B3 B2 B1 B0 */           \
417    "punpcklbw %%mm2, %%mm6;"   /* G3 B3 G2 B2 G1 B1 G0 B0 */           \
418\
419    "punpckhwd %%mm7, %%mm6;"   /* A3 R3 G3 B3 A2 R2 B3 G2 */           \
420    MOVNTQ "   %%mm6, 8 (%1);"  /* Store ARGB3 ARGB2 */                 \
421\
422    "punpckhbw %%mm2, %%mm4;"   /* G7 B7 G6 B6 G5 B5 G4 B4 */           \
423    "punpckhbw %%mm3, %%mm5;"   /* A7 R7 A6 R6 A5 R5 A4 R4 */           \
424\
425    "punpcklwd %%mm5, %%mm4;"   /* A5 R5 B5 G5 A4 R4 B4 G4 */           \
426    MOVNTQ "   %%mm4, 16 (%1);" /* Store ARGB5 ARGB4 */                 \
427\
428    "movq      %%mm0, %%mm4;"   /* B7 B6 B5 B4 B3 B2 B1 B0 */           \
429    "punpckhbw %%mm2, %%mm4;"   /* G7 B7 G6 B6 G5 B5 G4 B4 */           \
430\
431    "punpckhwd %%mm5, %%mm4;"   /* A7 R7 G7 B7 A6 R6 B6 G6 */           \
432    MOVNTQ "   %%mm4, 24 (%1);" /* Store ARGB7 ARGB6 */                 \
433\
434    "movd 4 (%2, %0), %%mm0;"   /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */ \
435    "movd 4 (%3, %0), %%mm1;"   /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */ \
436\
437    "pxor         %%mm4, %%mm4;" /* zero mm4 */                         \
438    "movq 8 (%5, %0, 2), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */ \
439
440static inline int RENAME(yuv420_rgb32)(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
441                                       int srcSliceH, uint8_t* dst[], int dstStride[]){
442    int y, h_size;
443
444    YUV422_UNSHIFT
445    YUV2RGB_LOOP(4)
446
447        YUV2RGB_INIT
448        YUV2RGB
449        "pcmpeqd   %%mm3, %%mm3;"   /* fill mm3 */
450        RGB_PLANAR2PACKED32
451
452    YUV2RGB_ENDLOOP(4)
453}
454