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gerrit-public.fairphone.software / platform / external / libjpeg-turbo / 6eb7d3798b5a79347c62825fc4c16f7ce673bdd0 / . / simd / jccolext-mmx.asm
blob: 96a0372b1b3abe48038964c92c8150966c255394 [file] [log] [blame]
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]1;
DRC72130be2014-05-09 20:14:26 +0000[diff] [blame]2; jccolext.asm - colorspace conversion (MMX)
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]3;
4; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
5;
Alex Naidis6eb7d372016-10-16 23:10:08 +0200[diff] [blame^]6; Based on the x86 SIMD extension for IJG JPEG library
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]7; Copyright (C) 1999-2006, MIYASAKA Masaru.
8; For conditions of distribution and use, see copyright notice in jsimdext.inc
9;
10; This file should be assembled with NASM (Netwide Assembler),
11; can *not* be assembled with Microsoft's MASM or any compatible
12; assembler (including Borland's Turbo Assembler).
13; NASM is available from http://nasm.sourceforge.net/ or
14; http://sourceforge.net/project/showfiles.php?group_id=6208
15;
16; [TAB8]
17
DRCa2d19e12009-04-04 15:22:14 +0000[diff] [blame]18%include "jcolsamp.inc"
19
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]20; --------------------------------------------------------------------------
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]21;
22; Convert some rows of samples to the output colorspace.
23;
24; GLOBAL(void)
25; jsimd_rgb_ycc_convert_mmx (JDIMENSION img_width,
26; JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
27; JDIMENSION output_row, int num_rows);
28;
29
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]30%define img_width(b) (b)+8 ; JDIMENSION img_width
31%define input_buf(b) (b)+12 ; JSAMPARRAY input_buf
32%define output_buf(b) (b)+16 ; JSAMPIMAGE output_buf
33%define output_row(b) (b)+20 ; JDIMENSION output_row
34%define num_rows(b) (b)+24 ; int num_rows
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]35
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]36%define original_ebp ebp+0
37%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_MMWORD ; mmword wk[WK_NUM]
38%define WK_NUM 8
39%define gotptr wk(0)-SIZEOF_POINTER ; void * gotptr
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]40
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]41 align 16
42 global EXTN(jsimd_rgb_ycc_convert_mmx)
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]43
44EXTN(jsimd_rgb_ycc_convert_mmx):
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]45 push ebp
46 mov eax,esp ; eax = original ebp
47 sub esp, byte 4
48 and esp, byte (-SIZEOF_MMWORD) ; align to 64 bits
49 mov [esp],eax
50 mov ebp,esp ; ebp = aligned ebp
51 lea esp, [wk(0)]
52 pushpic eax ; make a room for GOT address
53 push ebx
54; push ecx ; need not be preserved
55; push edx ; need not be preserved
56 push esi
57 push edi
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]58
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]59 get_GOT ebx ; get GOT address
60 movpic POINTER [gotptr], ebx ; save GOT address
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]61
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]62 mov ecx, JDIMENSION [img_width(eax)] ; num_cols
63 test ecx,ecx
64 jz near .return
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]65
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]66 push ecx
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]67
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]68 mov esi, JSAMPIMAGE [output_buf(eax)]
69 mov ecx, JDIMENSION [output_row(eax)]
70 mov edi, JSAMPARRAY [esi+0*SIZEOF_JSAMPARRAY]
71 mov ebx, JSAMPARRAY [esi+1*SIZEOF_JSAMPARRAY]
72 mov edx, JSAMPARRAY [esi+2*SIZEOF_JSAMPARRAY]
73 lea edi, [edi+ecx*SIZEOF_JSAMPROW]
74 lea ebx, [ebx+ecx*SIZEOF_JSAMPROW]
75 lea edx, [edx+ecx*SIZEOF_JSAMPROW]
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]76
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]77 pop ecx
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]78
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]79 mov esi, JSAMPARRAY [input_buf(eax)]
80 mov eax, INT [num_rows(eax)]
81 test eax,eax
82 jle near .return
83 alignx 16,7
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]84.rowloop:
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]85 pushpic eax
86 push edx
87 push ebx
88 push edi
89 push esi
90 push ecx ; col
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]91
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]92 mov esi, JSAMPROW [esi] ; inptr
93 mov edi, JSAMPROW [edi] ; outptr0
94 mov ebx, JSAMPROW [ebx] ; outptr1
95 mov edx, JSAMPROW [edx] ; outptr2
96 movpic eax, POINTER [gotptr] ; load GOT address (eax)
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]97
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]98 cmp ecx, byte SIZEOF_MMWORD
99 jae short .columnloop
100 alignx 16,7
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]101
102%if RGB_PIXELSIZE == 3 ; ---------------
103
104.column_ld1:
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]105 push eax
106 push edx
107 lea ecx,[ecx+ecx*2] ; imul ecx,RGB_PIXELSIZE
108 test cl, SIZEOF_BYTE
109 jz short .column_ld2
110 sub ecx, byte SIZEOF_BYTE
111 xor eax,eax
112 mov al, BYTE [esi+ecx]
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]113.column_ld2:
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]114 test cl, SIZEOF_WORD
115 jz short .column_ld4
116 sub ecx, byte SIZEOF_WORD
117 xor edx,edx
118 mov dx, WORD [esi+ecx]
119 shl eax, WORD_BIT
120 or eax,edx
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]121.column_ld4:
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]122 movd mmA,eax
123 pop edx
124 pop eax
125 test cl, SIZEOF_DWORD
126 jz short .column_ld8
127 sub ecx, byte SIZEOF_DWORD
128 movd mmG, DWORD [esi+ecx]
129 psllq mmA, DWORD_BIT
130 por mmA,mmG
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]131.column_ld8:
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]132 test cl, SIZEOF_MMWORD
133 jz short .column_ld16
134 movq mmG,mmA
135 movq mmA, MMWORD [esi+0*SIZEOF_MMWORD]
136 mov ecx, SIZEOF_MMWORD
137 jmp short .rgb_ycc_cnv
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]138.column_ld16:
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]139 test cl, 2*SIZEOF_MMWORD
140 mov ecx, SIZEOF_MMWORD
141 jz short .rgb_ycc_cnv
142 movq mmF,mmA
143 movq mmA, MMWORD [esi+0*SIZEOF_MMWORD]
144 movq mmG, MMWORD [esi+1*SIZEOF_MMWORD]
145 jmp short .rgb_ycc_cnv
146 alignx 16,7
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]147
148.columnloop:
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]149 movq mmA, MMWORD [esi+0*SIZEOF_MMWORD]
150 movq mmG, MMWORD [esi+1*SIZEOF_MMWORD]
151 movq mmF, MMWORD [esi+2*SIZEOF_MMWORD]
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]152
153.rgb_ycc_cnv:
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]154 ; mmA=(00 10 20 01 11 21 02 12)
155 ; mmG=(22 03 13 23 04 14 24 05)
156 ; mmF=(15 25 06 16 26 07 17 27)
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]157
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]158 movq mmD,mmA
159 psllq mmA,4*BYTE_BIT ; mmA=(-- -- -- -- 00 10 20 01)
160 psrlq mmD,4*BYTE_BIT ; mmD=(11 21 02 12 -- -- -- --)
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]161
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]162 punpckhbw mmA,mmG ; mmA=(00 04 10 14 20 24 01 05)
163 psllq mmG,4*BYTE_BIT ; mmG=(-- -- -- -- 22 03 13 23)
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]164
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]165 punpcklbw mmD,mmF ; mmD=(11 15 21 25 02 06 12 16)
166 punpckhbw mmG,mmF ; mmG=(22 26 03 07 13 17 23 27)
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]167
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]168 movq mmE,mmA
169 psllq mmA,4*BYTE_BIT ; mmA=(-- -- -- -- 00 04 10 14)
170 psrlq mmE,4*BYTE_BIT ; mmE=(20 24 01 05 -- -- -- --)
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]171
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]172 punpckhbw mmA,mmD ; mmA=(00 02 04 06 10 12 14 16)
173 psllq mmD,4*BYTE_BIT ; mmD=(-- -- -- -- 11 15 21 25)
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]174
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]175 punpcklbw mmE,mmG ; mmE=(20 22 24 26 01 03 05 07)
176 punpckhbw mmD,mmG ; mmD=(11 13 15 17 21 23 25 27)
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]177
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]178 pxor mmH,mmH
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]179
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]180 movq mmC,mmA
181 punpcklbw mmA,mmH ; mmA=(00 02 04 06)
182 punpckhbw mmC,mmH ; mmC=(10 12 14 16)
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]183
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]184 movq mmB,mmE
185 punpcklbw mmE,mmH ; mmE=(20 22 24 26)
186 punpckhbw mmB,mmH ; mmB=(01 03 05 07)
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]187
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]188 movq mmF,mmD
189 punpcklbw mmD,mmH ; mmD=(11 13 15 17)
190 punpckhbw mmF,mmH ; mmF=(21 23 25 27)
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]191
192%else ; RGB_PIXELSIZE == 4 ; -----------
193
194.column_ld1:
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]195 test cl, SIZEOF_MMWORD/8
196 jz short .column_ld2
197 sub ecx, byte SIZEOF_MMWORD/8
198 movd mmA, DWORD [esi+ecx*RGB_PIXELSIZE]
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]199.column_ld2:
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]200 test cl, SIZEOF_MMWORD/4
201 jz short .column_ld4
202 sub ecx, byte SIZEOF_MMWORD/4
203 movq mmF,mmA
204 movq mmA, MMWORD [esi+ecx*RGB_PIXELSIZE]
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]205.column_ld4:
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]206 test cl, SIZEOF_MMWORD/2
207 mov ecx, SIZEOF_MMWORD
208 jz short .rgb_ycc_cnv
209 movq mmD,mmA
210 movq mmC,mmF
211 movq mmA, MMWORD [esi+0*SIZEOF_MMWORD]
212 movq mmF, MMWORD [esi+1*SIZEOF_MMWORD]
213 jmp short .rgb_ycc_cnv
214 alignx 16,7
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]215
216.columnloop:
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]217 movq mmA, MMWORD [esi+0*SIZEOF_MMWORD]
218 movq mmF, MMWORD [esi+1*SIZEOF_MMWORD]
219 movq mmD, MMWORD [esi+2*SIZEOF_MMWORD]
220 movq mmC, MMWORD [esi+3*SIZEOF_MMWORD]
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]221
222.rgb_ycc_cnv:
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]223 ; mmA=(00 10 20 30 01 11 21 31)
224 ; mmF=(02 12 22 32 03 13 23 33)
225 ; mmD=(04 14 24 34 05 15 25 35)
226 ; mmC=(06 16 26 36 07 17 27 37)
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]227
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]228 movq mmB,mmA
229 punpcklbw mmA,mmF ; mmA=(00 02 10 12 20 22 30 32)
230 punpckhbw mmB,mmF ; mmB=(01 03 11 13 21 23 31 33)
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]231
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]232 movq mmG,mmD
233 punpcklbw mmD,mmC ; mmD=(04 06 14 16 24 26 34 36)
234 punpckhbw mmG,mmC ; mmG=(05 07 15 17 25 27 35 37)
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]235
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]236 movq mmE,mmA
237 punpcklwd mmA,mmD ; mmA=(00 02 04 06 10 12 14 16)
238 punpckhwd mmE,mmD ; mmE=(20 22 24 26 30 32 34 36)
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]239
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]240 movq mmH,mmB
241 punpcklwd mmB,mmG ; mmB=(01 03 05 07 11 13 15 17)
242 punpckhwd mmH,mmG ; mmH=(21 23 25 27 31 33 35 37)
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]243
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]244 pxor mmF,mmF
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]245
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]246 movq mmC,mmA
247 punpcklbw mmA,mmF ; mmA=(00 02 04 06)
248 punpckhbw mmC,mmF ; mmC=(10 12 14 16)
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]249
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]250 movq mmD,mmB
251 punpcklbw mmB,mmF ; mmB=(01 03 05 07)
252 punpckhbw mmD,mmF ; mmD=(11 13 15 17)
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]253
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]254 movq mmG,mmE
255 punpcklbw mmE,mmF ; mmE=(20 22 24 26)
256 punpckhbw mmG,mmF ; mmG=(30 32 34 36)
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]257
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]258 punpcklbw mmF,mmH
259 punpckhbw mmH,mmH
260 psrlw mmF,BYTE_BIT ; mmF=(21 23 25 27)
261 psrlw mmH,BYTE_BIT ; mmH=(31 33 35 37)
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]262
263%endif ; RGB_PIXELSIZE ; ---------------
264
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]265 ; mm0=(R0 R2 R4 R6)=RE, mm2=(G0 G2 G4 G6)=GE, mm4=(B0 B2 B4 B6)=BE
266 ; mm1=(R1 R3 R5 R7)=RO, mm3=(G1 G3 G5 G7)=GO, mm5=(B1 B3 B5 B7)=BO
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]267
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]268 ; (Original)
269 ; Y = 0.29900 * R + 0.58700 * G + 0.11400 * B
270 ; Cb = -0.16874 * R - 0.33126 * G + 0.50000 * B + CENTERJSAMPLE
271 ; Cr = 0.50000 * R - 0.41869 * G - 0.08131 * B + CENTERJSAMPLE
272 ;
273 ; (This implementation)
274 ; Y = 0.29900 * R + 0.33700 * G + 0.11400 * B + 0.25000 * G
275 ; Cb = -0.16874 * R - 0.33126 * G + 0.50000 * B + CENTERJSAMPLE
276 ; Cr = 0.50000 * R - 0.41869 * G - 0.08131 * B + CENTERJSAMPLE
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]277
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]278 movq MMWORD [wk(0)], mm0 ; wk(0)=RE
279 movq MMWORD [wk(1)], mm1 ; wk(1)=RO
280 movq MMWORD [wk(2)], mm4 ; wk(2)=BE
281 movq MMWORD [wk(3)], mm5 ; wk(3)=BO
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]282
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]283 movq mm6,mm1
284 punpcklwd mm1,mm3
285 punpckhwd mm6,mm3
286 movq mm7,mm1
287 movq mm4,mm6
288 pmaddwd mm1,[GOTOFF(eax,PW_F0299_F0337)] ; mm1=ROL*FIX(0.299)+GOL*FIX(0.337)
289 pmaddwd mm6,[GOTOFF(eax,PW_F0299_F0337)] ; mm6=ROH*FIX(0.299)+GOH*FIX(0.337)
290 pmaddwd mm7,[GOTOFF(eax,PW_MF016_MF033)] ; mm7=ROL*-FIX(0.168)+GOL*-FIX(0.331)
291 pmaddwd mm4,[GOTOFF(eax,PW_MF016_MF033)] ; mm4=ROH*-FIX(0.168)+GOH*-FIX(0.331)
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]292
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]293 movq MMWORD [wk(4)], mm1 ; wk(4)=ROL*FIX(0.299)+GOL*FIX(0.337)
294 movq MMWORD [wk(5)], mm6 ; wk(5)=ROH*FIX(0.299)+GOH*FIX(0.337)
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]295
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]296 pxor mm1,mm1
297 pxor mm6,mm6
298 punpcklwd mm1,mm5 ; mm1=BOL
299 punpckhwd mm6,mm5 ; mm6=BOH
300 psrld mm1,1 ; mm1=BOL*FIX(0.500)
301 psrld mm6,1 ; mm6=BOH*FIX(0.500)
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]302
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]303 movq mm5,[GOTOFF(eax,PD_ONEHALFM1_CJ)] ; mm5=[PD_ONEHALFM1_CJ]
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]304
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]305 paddd mm7,mm1
306 paddd mm4,mm6
307 paddd mm7,mm5
308 paddd mm4,mm5
309 psrld mm7,SCALEBITS ; mm7=CbOL
310 psrld mm4,SCALEBITS ; mm4=CbOH
311 packssdw mm7,mm4 ; mm7=CbO
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]312
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]313 movq mm1, MMWORD [wk(2)] ; mm1=BE
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]314
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]315 movq mm6,mm0
316 punpcklwd mm0,mm2
317 punpckhwd mm6,mm2
318 movq mm5,mm0
319 movq mm4,mm6
320 pmaddwd mm0,[GOTOFF(eax,PW_F0299_F0337)] ; mm0=REL*FIX(0.299)+GEL*FIX(0.337)
321 pmaddwd mm6,[GOTOFF(eax,PW_F0299_F0337)] ; mm6=REH*FIX(0.299)+GEH*FIX(0.337)
322 pmaddwd mm5,[GOTOFF(eax,PW_MF016_MF033)] ; mm5=REL*-FIX(0.168)+GEL*-FIX(0.331)
323 pmaddwd mm4,[GOTOFF(eax,PW_MF016_MF033)] ; mm4=REH*-FIX(0.168)+GEH*-FIX(0.331)
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]324
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]325 movq MMWORD [wk(6)], mm0 ; wk(6)=REL*FIX(0.299)+GEL*FIX(0.337)
326 movq MMWORD [wk(7)], mm6 ; wk(7)=REH*FIX(0.299)+GEH*FIX(0.337)
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]327
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]328 pxor mm0,mm0
329 pxor mm6,mm6
330 punpcklwd mm0,mm1 ; mm0=BEL
331 punpckhwd mm6,mm1 ; mm6=BEH
332 psrld mm0,1 ; mm0=BEL*FIX(0.500)
333 psrld mm6,1 ; mm6=BEH*FIX(0.500)
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]334
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]335 movq mm1,[GOTOFF(eax,PD_ONEHALFM1_CJ)] ; mm1=[PD_ONEHALFM1_CJ]
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]336
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]337 paddd mm5,mm0
338 paddd mm4,mm6
339 paddd mm5,mm1
340 paddd mm4,mm1
341 psrld mm5,SCALEBITS ; mm5=CbEL
342 psrld mm4,SCALEBITS ; mm4=CbEH
343 packssdw mm5,mm4 ; mm5=CbE
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]344
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]345 psllw mm7,BYTE_BIT
346 por mm5,mm7 ; mm5=Cb
347 movq MMWORD [ebx], mm5 ; Save Cb
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]348
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]349 movq mm0, MMWORD [wk(3)] ; mm0=BO
350 movq mm6, MMWORD [wk(2)] ; mm6=BE
351 movq mm1, MMWORD [wk(1)] ; mm1=RO
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]352
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]353 movq mm4,mm0
354 punpcklwd mm0,mm3
355 punpckhwd mm4,mm3
356 movq mm7,mm0
357 movq mm5,mm4
358 pmaddwd mm0,[GOTOFF(eax,PW_F0114_F0250)] ; mm0=BOL*FIX(0.114)+GOL*FIX(0.250)
359 pmaddwd mm4,[GOTOFF(eax,PW_F0114_F0250)] ; mm4=BOH*FIX(0.114)+GOH*FIX(0.250)
360 pmaddwd mm7,[GOTOFF(eax,PW_MF008_MF041)] ; mm7=BOL*-FIX(0.081)+GOL*-FIX(0.418)
361 pmaddwd mm5,[GOTOFF(eax,PW_MF008_MF041)] ; mm5=BOH*-FIX(0.081)+GOH*-FIX(0.418)
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]362
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]363 movq mm3,[GOTOFF(eax,PD_ONEHALF)] ; mm3=[PD_ONEHALF]
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]364
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]365 paddd mm0, MMWORD [wk(4)]
366 paddd mm4, MMWORD [wk(5)]
367 paddd mm0,mm3
368 paddd mm4,mm3
369 psrld mm0,SCALEBITS ; mm0=YOL
370 psrld mm4,SCALEBITS ; mm4=YOH
371 packssdw mm0,mm4 ; mm0=YO
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]372
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]373 pxor mm3,mm3
374 pxor mm4,mm4
375 punpcklwd mm3,mm1 ; mm3=ROL
376 punpckhwd mm4,mm1 ; mm4=ROH
377 psrld mm3,1 ; mm3=ROL*FIX(0.500)
378 psrld mm4,1 ; mm4=ROH*FIX(0.500)
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]379
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]380 movq mm1,[GOTOFF(eax,PD_ONEHALFM1_CJ)] ; mm1=[PD_ONEHALFM1_CJ]
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]381
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]382 paddd mm7,mm3
383 paddd mm5,mm4
384 paddd mm7,mm1
385 paddd mm5,mm1
386 psrld mm7,SCALEBITS ; mm7=CrOL
387 psrld mm5,SCALEBITS ; mm5=CrOH
388 packssdw mm7,mm5 ; mm7=CrO
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]389
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]390 movq mm3, MMWORD [wk(0)] ; mm3=RE
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]391
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]392 movq mm4,mm6
393 punpcklwd mm6,mm2
394 punpckhwd mm4,mm2
395 movq mm1,mm6
396 movq mm5,mm4
397 pmaddwd mm6,[GOTOFF(eax,PW_F0114_F0250)] ; mm6=BEL*FIX(0.114)+GEL*FIX(0.250)
398 pmaddwd mm4,[GOTOFF(eax,PW_F0114_F0250)] ; mm4=BEH*FIX(0.114)+GEH*FIX(0.250)
399 pmaddwd mm1,[GOTOFF(eax,PW_MF008_MF041)] ; mm1=BEL*-FIX(0.081)+GEL*-FIX(0.418)
400 pmaddwd mm5,[GOTOFF(eax,PW_MF008_MF041)] ; mm5=BEH*-FIX(0.081)+GEH*-FIX(0.418)
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]401
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]402 movq mm2,[GOTOFF(eax,PD_ONEHALF)] ; mm2=[PD_ONEHALF]
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]403
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]404 paddd mm6, MMWORD [wk(6)]
405 paddd mm4, MMWORD [wk(7)]
406 paddd mm6,mm2
407 paddd mm4,mm2
408 psrld mm6,SCALEBITS ; mm6=YEL
409 psrld mm4,SCALEBITS ; mm4=YEH
410 packssdw mm6,mm4 ; mm6=YE
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]411
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]412 psllw mm0,BYTE_BIT
413 por mm6,mm0 ; mm6=Y
414 movq MMWORD [edi], mm6 ; Save Y
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]415
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]416 pxor mm2,mm2
417 pxor mm4,mm4
418 punpcklwd mm2,mm3 ; mm2=REL
419 punpckhwd mm4,mm3 ; mm4=REH
420 psrld mm2,1 ; mm2=REL*FIX(0.500)
421 psrld mm4,1 ; mm4=REH*FIX(0.500)
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]422
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]423 movq mm0,[GOTOFF(eax,PD_ONEHALFM1_CJ)] ; mm0=[PD_ONEHALFM1_CJ]
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]424
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]425 paddd mm1,mm2
426 paddd mm5,mm4
427 paddd mm1,mm0
428 paddd mm5,mm0
429 psrld mm1,SCALEBITS ; mm1=CrEL
430 psrld mm5,SCALEBITS ; mm5=CrEH
431 packssdw mm1,mm5 ; mm1=CrE
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]432
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]433 psllw mm7,BYTE_BIT
434 por mm1,mm7 ; mm1=Cr
435 movq MMWORD [edx], mm1 ; Save Cr
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]436
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]437 sub ecx, byte SIZEOF_MMWORD
438 add esi, byte RGB_PIXELSIZE*SIZEOF_MMWORD ; inptr
439 add edi, byte SIZEOF_MMWORD ; outptr0
440 add ebx, byte SIZEOF_MMWORD ; outptr1
441 add edx, byte SIZEOF_MMWORD ; outptr2
442 cmp ecx, byte SIZEOF_MMWORD
443 jae near .columnloop
444 test ecx,ecx
445 jnz near .column_ld1
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]446
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]447 pop ecx ; col
448 pop esi
449 pop edi
450 pop ebx
451 pop edx
452 poppic eax
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]453
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]454 add esi, byte SIZEOF_JSAMPROW ; input_buf
455 add edi, byte SIZEOF_JSAMPROW
456 add ebx, byte SIZEOF_JSAMPROW
457 add edx, byte SIZEOF_JSAMPROW
458 dec eax ; num_rows
459 jg near .rowloop
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]460
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]461 emms ; empty MMX state
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]462
463.return:
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]464 pop edi
465 pop esi
466; pop edx ; need not be preserved
467; pop ecx ; need not be preserved
468 pop ebx
469 mov esp,ebp ; esp <- aligned ebp
470 pop esp ; esp <- original ebp
471 pop ebp
472 ret
DRCf25c0712009-04-03 12:00:51 +0000[diff] [blame]473
DRC132b5fd2009-10-08 09:04:56 +0000[diff] [blame]474; For some reason, the OS X linker does not honor the request to align the
475; segment unless we do this.
DRCe5eaf372014-05-09 18:00:32 +0000[diff] [blame]476 align 16