summaryrefslogtreecommitdiffstats
path: root/media/ffvpx/libavutil/x86/pixelutils.asm
blob: 36c57c5f7fa940a9a19ea61fa4664643ec313e77 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
;******************************************************************************
;* Pixel utilities SIMD
;*
;* Copyright (C) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
;* Copyright (C) 2014 Clément Bœsch <u pkh me>
;*
;* This file is part of FFmpeg.
;*
;* FFmpeg is free software; you can redistribute it and/or
;* modify it under the terms of the GNU Lesser General Public
;* License as published by the Free Software Foundation; either
;* version 2.1 of the License, or (at your option) any later version.
;*
;* FFmpeg is distributed in the hope that it will be useful,
;* but WITHOUT ANY WARRANTY; without even the implied warranty of
;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
;* Lesser General Public License for more details.
;*
;* You should have received a copy of the GNU Lesser General Public
;* License along with FFmpeg; if not, write to the Free Software
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;******************************************************************************

%include "x86util.asm"

SECTION .text

;-------------------------------------------------------------------------------
; int ff_pixelutils_sad_8x8_mmx(const uint8_t *src1, ptrdiff_t stride1,
;                               const uint8_t *src2, ptrdiff_t stride2);
;-------------------------------------------------------------------------------
INIT_MMX mmx
cglobal pixelutils_sad_8x8, 4,4,0, src1, stride1, src2, stride2
    pxor        m7, m7
    pxor        m6, m6
%rep 4
    mova        m0, [src1q]
    mova        m2, [src1q + stride1q]
    mova        m1, [src2q]
    mova        m3, [src2q + stride2q]
    psubusb     m4, m0, m1
    psubusb     m5, m2, m3
    psubusb     m1, m0
    psubusb     m3, m2
    por         m1, m4
    por         m3, m5
    punpcklbw   m0, m1, m7
    punpcklbw   m2, m3, m7
    punpckhbw   m1, m7
    punpckhbw   m3, m7
    paddw       m0, m1
    paddw       m2, m3
    paddw       m0, m2
    paddw       m6, m0
    lea         src1q, [src1q + 2*stride1q]
    lea         src2q, [src2q + 2*stride2q]
%endrep
    psrlq       m0, m6, 32
    paddw       m6, m0
    psrlq       m0, m6, 16
    paddw       m6, m0
    movd        eax, m6
    movzx       eax, ax
    RET

;-------------------------------------------------------------------------------
; int ff_pixelutils_sad_8x8_mmxext(const uint8_t *src1, ptrdiff_t stride1,
;                                  const uint8_t *src2, ptrdiff_t stride2);
;-------------------------------------------------------------------------------
INIT_MMX mmxext
cglobal pixelutils_sad_8x8, 4,4,0, src1, stride1, src2, stride2
    pxor        m2, m2
%rep 4
    mova        m0, [src1q]
    mova        m1, [src1q + stride1q]
    psadbw      m0, [src2q]
    psadbw      m1, [src2q + stride2q]
    paddw       m2, m0
    paddw       m2, m1
    lea         src1q, [src1q + 2*stride1q]
    lea         src2q, [src2q + 2*stride2q]
%endrep
    movd        eax, m2
    RET

;-------------------------------------------------------------------------------
; int ff_pixelutils_sad_16x16_mmxext(const uint8_t *src1, ptrdiff_t stride1,
;                                    const uint8_t *src2, ptrdiff_t stride2);
;-------------------------------------------------------------------------------
INIT_MMX mmxext
cglobal pixelutils_sad_16x16, 4,4,0, src1, stride1, src2, stride2
    pxor        m2, m2
%rep 16
    mova        m0, [src1q]
    mova        m1, [src1q + 8]
    psadbw      m0, [src2q]
    psadbw      m1, [src2q + 8]
    paddw       m2, m0
    paddw       m2, m1
    add         src1q, stride1q
    add         src2q, stride2q
%endrep
    movd        eax, m2
    RET

;-------------------------------------------------------------------------------
; int ff_pixelutils_sad_16x16_sse2(const uint8_t *src1, ptrdiff_t stride1,
;                                  const uint8_t *src2, ptrdiff_t stride2);
;-------------------------------------------------------------------------------
INIT_XMM sse2
cglobal pixelutils_sad_16x16, 4,4,5, src1, stride1, src2, stride2
    movu        m4, [src1q]
    movu        m2, [src2q]
    movu        m1, [src1q + stride1q]
    movu        m3, [src2q + stride2q]
    psadbw      m4, m2
    psadbw      m1, m3
    paddw       m4, m1
%rep 7
    lea         src1q, [src1q + 2*stride1q]
    lea         src2q, [src2q + 2*stride2q]
    movu        m0, [src1q]
    movu        m2, [src2q]
    movu        m1, [src1q + stride1q]
    movu        m3, [src2q + stride2q]
    psadbw      m0, m2
    psadbw      m1, m3
    paddw       m4, m0
    paddw       m4, m1
%endrep
    movhlps     m0, m4
    paddw       m4, m0
    movd        eax, m4
    RET

;-------------------------------------------------------------------------------
; int ff_pixelutils_sad_[au]_16x16_sse2(const uint8_t *src1, ptrdiff_t stride1,
;                                       const uint8_t *src2, ptrdiff_t stride2);
;-------------------------------------------------------------------------------
%macro SAD_XMM_16x16 1
INIT_XMM sse2
cglobal pixelutils_sad_%1_16x16, 4,4,3, src1, stride1, src2, stride2
    mov%1       m2, [src2q]
    psadbw      m2, [src1q]
    mov%1       m1, [src2q + stride2q]
    psadbw      m1, [src1q + stride1q]
    paddw       m2, m1
%rep 7
    lea         src1q, [src1q + 2*stride1q]
    lea         src2q, [src2q + 2*stride2q]
    mov%1       m0, [src2q]
    psadbw      m0, [src1q]
    mov%1       m1, [src2q + stride2q]
    psadbw      m1, [src1q + stride1q]
    paddw       m2, m0
    paddw       m2, m1
%endrep
    movhlps     m0, m2
    paddw       m2, m0
    movd        eax, m2
    RET
%endmacro

SAD_XMM_16x16 a
SAD_XMM_16x16 u


%macro PROCESS_SAD_32x4_U 0
    movu    m1,  [r2]
    movu    m2,  [r2 + 16]
    movu    m3,  [r0]
    movu    m4,  [r0 + 16]
    psadbw  m1,  m3
    psadbw  m2,  m4
    paddd   m1,  m2
    paddd   m0,  m1
    lea     r2,  [r2 + r3]
    lea     r0,  [r0 + r1]

    movu    m1,  [r2]
    movu    m2,  [r2 + 16]
    movu    m3,  [r0]
    movu    m4,  [r0 + 16]
    psadbw  m1,  m3
    psadbw  m2,  m4
    paddd   m1,  m2
    paddd   m0,  m1
    lea     r2,  [r2 + r3]
    lea     r0,  [r0 + r1]

    movu    m1,  [r2]
    movu    m2,  [r2 + 16]
    movu    m3,  [r0]
    movu    m4,  [r0 + 16]
    psadbw  m1,  m3
    psadbw  m2,  m4
    paddd   m1,  m2
    paddd   m0,  m1
    lea     r2,  [r2 + r3]
    lea     r0,  [r0 + r1]

    movu    m1,  [r2]
    movu    m2,  [r2 + 16]
    movu    m3,  [r0]
    movu    m4,  [r0 + 16]
    psadbw  m1,  m3
    psadbw  m2,  m4
    paddd   m1,  m2
    paddd   m0,  m1
    lea     r2,  [r2 + r3]
    lea     r0,  [r0 + r1]
%endmacro

%macro PROCESS_SAD_32x4 1
    mov%1   m1,  [r2]
    mov%1   m2,  [r2 + 16]
    psadbw  m1,  [r0]
    psadbw  m2,  [r0 + 16]
    paddd   m1,  m2
    paddd   m0,  m1
    lea     r2,  [r2 + r3]
    lea     r0,  [r0 + r1]

    mov%1   m1,  [r2]
    mov%1   m2,  [r2 + 16]
    psadbw  m1,  [r0]
    psadbw  m2,  [r0 + 16]
    paddd   m1,  m2
    paddd   m0,  m1
    lea     r2,  [r2 + r3]
    lea     r0,  [r0 + r1]

    mov%1   m1,  [r2]
    mov%1   m2,  [r2 + 16]
    psadbw  m1,  [r0]
    psadbw  m2,  [r0 + 16]
    paddd   m1,  m2
    paddd   m0,  m1
    lea     r2,  [r2 + r3]
    lea     r0,  [r0 + r1]

    mov%1   m1,  [r2]
    mov%1   m2,  [r2 + 16]
    psadbw  m1,  [r0]
    psadbw  m2,  [r0 + 16]
    paddd   m1,  m2
    paddd   m0,  m1
    lea     r2,  [r2 + r3]
    lea     r0,  [r0 + r1]
%endmacro

;-----------------------------------------------------------------------------
; int ff_pixelutils_sad_32x32_sse2(const uint8_t *src1, ptrdiff_t stride1,
;                                  const uint8_t *src2, ptrdiff_t stride2);
;-----------------------------------------------------------------------------
INIT_XMM sse2
cglobal pixelutils_sad_32x32, 4,5,5, src1, stride1, src2, stride2
    pxor  m0,  m0
    mov   r4d, 4
.loop:
    PROCESS_SAD_32x4_U
    PROCESS_SAD_32x4_U
    dec r4d
    jnz .loop

    movhlps m1,  m0
    paddd   m0,  m1
    movd    eax, m0
    RET

;-------------------------------------------------------------------------------
; int ff_pixelutils_sad_[au]_32x32_sse2(const uint8_t *src1, ptrdiff_t stride1,
;                                       const uint8_t *src2, ptrdiff_t stride2);
;-------------------------------------------------------------------------------
%macro SAD_XMM_32x32 1
INIT_XMM sse2
cglobal pixelutils_sad_%1_32x32, 4,5,3, src1, stride1, src2, stride2
    pxor  m0,  m0
    mov   r4d, 4
.loop:
    PROCESS_SAD_32x4 %1
    PROCESS_SAD_32x4 %1
    dec r4d
    jnz .loop

    movhlps m1,  m0
    paddd   m0,  m1
    movd    eax, m0
    RET
%endmacro

SAD_XMM_32x32 a
SAD_XMM_32x32 u

%if HAVE_AVX2_EXTERNAL
;-------------------------------------------------------------------------------
; int ff_pixelutils_sad_32x32_avx2(const uint8_t *src1, ptrdiff_t stride1,
;                                  const uint8_t *src2, ptrdiff_t stride2);
;-------------------------------------------------------------------------------
INIT_YMM avx2
cglobal pixelutils_sad_32x32, 4,7,5, src1, stride1, src2, stride2
    pxor            m0, m0
    mov             r4d, 32/4
    lea             r5, [stride1q * 3]
    lea             r6, [stride2q * 3]

.loop:
    movu           m1, [src1q]               ; row 0 of pix0
    movu           m2, [src2q]               ; row 0 of pix1
    movu           m3, [src1q + stride1q]    ; row 1 of pix0
    movu           m4, [src2q + stride2q]    ; row 1 of pix1

    psadbw         m1, m2
    psadbw         m3, m4
    paddd          m0, m1
    paddd          m0, m3

    movu           m1, [src1q + 2 * stride1q] ; row 2 of pix0
    movu           m2, [src2q + 2 * stride2q] ; row 2 of pix1
    movu           m3, [src1q + r5]           ; row 3 of pix0
    movu           m4, [src2q + r6]           ; row 3 of pix1

    psadbw         m1, m2
    psadbw         m3, m4
    paddd          m0, m1
    paddd          m0, m3

    lea            src2q,     [src2q + 4 * stride2q]
    lea            src1q,     [src1q + 4 * stride1q]

    dec            r4d
    jnz           .loop

    vextracti128   xm1, m0, 1
    paddd          xm0, xm1
    pshufd         xm1, xm0, 2
    paddd          xm0, xm1
    movd           eax, xm0
    RET

;-------------------------------------------------------------------------------
; int ff_pixelutils_sad_[au]_32x32_avx2(const uint8_t *src1, ptrdiff_t stride1,
;                                       const uint8_t *src2, ptrdiff_t stride2);
;-------------------------------------------------------------------------------
%macro SAD_AVX2_32x32 1
INIT_YMM avx2
cglobal pixelutils_sad_%1_32x32, 4,7,3, src1, stride1, src2, stride2
    pxor           m0, m0
    mov            r4d, 32/4
    lea            r5, [stride1q * 3]
    lea            r6, [stride2q * 3]

.loop:
    mov%1          m1, [src2q]                ; row 0 of pix1
    psadbw         m1, [src1q]
    mov%1          m2, [src2q + stride2q]     ; row 1 of pix1
    psadbw         m2, [src1q + stride1q]

    paddd          m0, m1
    paddd          m0, m2

    mov%1          m1, [src2q + 2 * stride2q] ; row 2 of pix1
    psadbw         m1, [src1q + 2 * stride1q]
    mov%1          m2, [src2q + r6]           ; row 3 of pix1
    psadbw         m2, [src1q + r5]

    paddd          m0, m1
    paddd          m0, m2

    lea            src2q,     [src2q + 4 * stride2q]
    lea            src1q,     [src1q + 4 * stride1q]

    dec            r4d
    jnz           .loop

    vextracti128   xm1, m0, 1
    paddd          xm0, xm1
    pshufd         xm1, xm0, 2
    paddd          xm0, xm1
    movd           eax, xm0
    RET
%endmacro

SAD_AVX2_32x32 a
SAD_AVX2_32x32 u
%endif