1; 2; jdcolext.asm - colorspace conversion (AVX2) 3; 4; Copyright 2009, 2012 Pierre Ossman <ossman@cendio.se> for Cendio AB 5; Copyright (C) 2012, 2016, D. R. Commander. 6; Copyright (C) 2015, Intel Corporation. 7; 8; Based on the x86 SIMD extension for IJG JPEG library 9; Copyright (C) 1999-2006, MIYASAKA Masaru. 10; For conditions of distribution and use, see copyright notice in jsimdext.inc 11; 12; This file should be assembled with NASM (Netwide Assembler), 13; can *not* be assembled with Microsoft's MASM or any compatible 14; assembler (including Borland's Turbo Assembler). 15; NASM is available from http://nasm.sourceforge.net/ or 16; http://sourceforge.net/project/showfiles.php?group_id=6208 17 18%include "jcolsamp.inc" 19 20; -------------------------------------------------------------------------- 21; 22; Convert some rows of samples to the output colorspace. 23; 24; GLOBAL(void) 25; jsimd_ycc_rgb_convert_avx2(JDIMENSION out_width, JSAMPIMAGE input_buf, 26; JDIMENSION input_row, JSAMPARRAY output_buf, 27; int num_rows) 28; 29 30%define out_width(b) (b) + 8 ; JDIMENSION out_width 31%define input_buf(b) (b) + 12 ; JSAMPIMAGE input_buf 32%define input_row(b) (b) + 16 ; JDIMENSION input_row 33%define output_buf(b) (b) + 20 ; JSAMPARRAY output_buf 34%define num_rows(b) (b) + 24 ; int num_rows 35 36%define original_ebp ebp + 0 37%define wk(i) ebp - (WK_NUM - (i)) * SIZEOF_YMMWORD 38 ; ymmword wk[WK_NUM] 39%define WK_NUM 2 40%define gotptr wk(0) - SIZEOF_POINTER ; void * gotptr 41 42 align 32 43 GLOBAL_FUNCTION(jsimd_ycc_rgb_convert_avx2) 44 45EXTN(jsimd_ycc_rgb_convert_avx2): 46 push ebp 47 mov eax, esp ; eax = original ebp 48 sub esp, byte 4 49 and esp, byte (-SIZEOF_YMMWORD) ; align to 256 bits 50 mov [esp], eax 51 mov ebp, esp ; ebp = aligned ebp 52 lea esp, [wk(0)] 53 pushpic eax ; make a room for GOT address 54 push ebx 55; push ecx ; need not be preserved 56; push edx ; need not be preserved 57 push esi 58 push edi 59 60 get_GOT ebx ; get GOT address 61 movpic POINTER [gotptr], ebx ; save GOT address 62 63 mov ecx, JDIMENSION [out_width(eax)] ; num_cols 64 test ecx, ecx 65 jz near .return 66 67 push ecx 68 69 mov edi, JSAMPIMAGE [input_buf(eax)] 70 mov ecx, JDIMENSION [input_row(eax)] 71 mov esi, JSAMPARRAY [edi+0*SIZEOF_JSAMPARRAY] 72 mov ebx, JSAMPARRAY [edi+1*SIZEOF_JSAMPARRAY] 73 mov edx, JSAMPARRAY [edi+2*SIZEOF_JSAMPARRAY] 74 lea esi, [esi+ecx*SIZEOF_JSAMPROW] 75 lea ebx, [ebx+ecx*SIZEOF_JSAMPROW] 76 lea edx, [edx+ecx*SIZEOF_JSAMPROW] 77 78 pop ecx 79 80 mov edi, JSAMPARRAY [output_buf(eax)] 81 mov eax, INT [num_rows(eax)] 82 test eax, eax 83 jle near .return 84 alignx 16, 7 85.rowloop: 86 push eax 87 push edi 88 push edx 89 push ebx 90 push esi 91 push ecx ; col 92 93 mov esi, JSAMPROW [esi] ; inptr0 94 mov ebx, JSAMPROW [ebx] ; inptr1 95 mov edx, JSAMPROW [edx] ; inptr2 96 mov edi, JSAMPROW [edi] ; outptr 97 movpic eax, POINTER [gotptr] ; load GOT address (eax) 98 alignx 16, 7 99.columnloop: 100 101 vmovdqu ymm5, YMMWORD [ebx] ; ymm5=Cb(0123456789ABCDEFGHIJKLMNOPQRSTUV) 102 vmovdqu ymm1, YMMWORD [edx] ; ymm1=Cr(0123456789ABCDEFGHIJKLMNOPQRSTUV) 103 104 vpcmpeqw ymm0, ymm0, ymm0 105 vpcmpeqw ymm7, ymm7, ymm7 106 vpsrlw ymm0, ymm0, BYTE_BIT ; ymm0={0xFF 0x00 0xFF 0x00 ..} 107 vpsllw ymm7, ymm7, 7 ; ymm7={0xFF80 0xFF80 0xFF80 0xFF80 ..} 108 109 vpand ymm4, ymm0, ymm5 ; ymm4=Cb(02468ACEGIKMOQSU)=CbE 110 vpsrlw ymm5, ymm5, BYTE_BIT ; ymm5=Cb(13579BDFHJLNPRTV)=CbO 111 vpand ymm0, ymm0, ymm1 ; ymm0=Cr(02468ACEGIKMOQSU)=CrE 112 vpsrlw ymm1, ymm1, BYTE_BIT ; ymm1=Cr(13579BDFHJLNPRTV)=CrO 113 114 vpaddw ymm2, ymm4, ymm7 115 vpaddw ymm3, ymm5, ymm7 116 vpaddw ymm6, ymm0, ymm7 117 vpaddw ymm7, ymm1, ymm7 118 119 ; (Original) 120 ; R = Y + 1.40200 * Cr 121 ; G = Y - 0.34414 * Cb - 0.71414 * Cr 122 ; B = Y + 1.77200 * Cb 123 ; 124 ; (This implementation) 125 ; R = Y + 0.40200 * Cr + Cr 126 ; G = Y - 0.34414 * Cb + 0.28586 * Cr - Cr 127 ; B = Y - 0.22800 * Cb + Cb + Cb 128 129 vpaddw ymm4, ymm2, ymm2 ; ymm4=2*CbE 130 vpaddw ymm5, ymm3, ymm3 ; ymm5=2*CbO 131 vpaddw ymm0, ymm6, ymm6 ; ymm0=2*CrE 132 vpaddw ymm1, ymm7, ymm7 ; ymm1=2*CrO 133 134 vpmulhw ymm4, ymm4, [GOTOFF(eax,PW_MF0228)] ; ymm4=(2*CbE * -FIX(0.22800)) 135 vpmulhw ymm5, ymm5, [GOTOFF(eax,PW_MF0228)] ; ymm5=(2*CbO * -FIX(0.22800)) 136 vpmulhw ymm0, ymm0, [GOTOFF(eax,PW_F0402)] ; ymm0=(2*CrE * FIX(0.40200)) 137 vpmulhw ymm1, ymm1, [GOTOFF(eax,PW_F0402)] ; ymm1=(2*CrO * FIX(0.40200)) 138 139 vpaddw ymm4, ymm4, [GOTOFF(eax,PW_ONE)] 140 vpaddw ymm5, ymm5, [GOTOFF(eax,PW_ONE)] 141 vpsraw ymm4, ymm4, 1 ; ymm4=(CbE * -FIX(0.22800)) 142 vpsraw ymm5, ymm5, 1 ; ymm5=(CbO * -FIX(0.22800)) 143 vpaddw ymm0, ymm0, [GOTOFF(eax,PW_ONE)] 144 vpaddw ymm1, ymm1, [GOTOFF(eax,PW_ONE)] 145 vpsraw ymm0, ymm0, 1 ; ymm0=(CrE * FIX(0.40200)) 146 vpsraw ymm1, ymm1, 1 ; ymm1=(CrO * FIX(0.40200)) 147 148 vpaddw ymm4, ymm4, ymm2 149 vpaddw ymm5, ymm5, ymm3 150 vpaddw ymm4, ymm4, ymm2 ; ymm4=(CbE * FIX(1.77200))=(B-Y)E 151 vpaddw ymm5, ymm5, ymm3 ; ymm5=(CbO * FIX(1.77200))=(B-Y)O 152 vpaddw ymm0, ymm0, ymm6 ; ymm0=(CrE * FIX(1.40200))=(R-Y)E 153 vpaddw ymm1, ymm1, ymm7 ; ymm1=(CrO * FIX(1.40200))=(R-Y)O 154 155 vmovdqa YMMWORD [wk(0)], ymm4 ; wk(0)=(B-Y)E 156 vmovdqa YMMWORD [wk(1)], ymm5 ; wk(1)=(B-Y)O 157 158 vpunpckhwd ymm4, ymm2, ymm6 159 vpunpcklwd ymm2, ymm2, ymm6 160 vpmaddwd ymm2, ymm2, [GOTOFF(eax,PW_MF0344_F0285)] 161 vpmaddwd ymm4, ymm4, [GOTOFF(eax,PW_MF0344_F0285)] 162 vpunpckhwd ymm5, ymm3, ymm7 163 vpunpcklwd ymm3, ymm3, ymm7 164 vpmaddwd ymm3, ymm3, [GOTOFF(eax,PW_MF0344_F0285)] 165 vpmaddwd ymm5, ymm5, [GOTOFF(eax,PW_MF0344_F0285)] 166 167 vpaddd ymm2, ymm2, [GOTOFF(eax,PD_ONEHALF)] 168 vpaddd ymm4, ymm4, [GOTOFF(eax,PD_ONEHALF)] 169 vpsrad ymm2, ymm2, SCALEBITS 170 vpsrad ymm4, ymm4, SCALEBITS 171 vpaddd ymm3, ymm3, [GOTOFF(eax,PD_ONEHALF)] 172 vpaddd ymm5, ymm5, [GOTOFF(eax,PD_ONEHALF)] 173 vpsrad ymm3, ymm3, SCALEBITS 174 vpsrad ymm5, ymm5, SCALEBITS 175 176 vpackssdw ymm2, ymm2, ymm4 ; ymm2=CbE*-FIX(0.344)+CrE*FIX(0.285) 177 vpackssdw ymm3, ymm3, ymm5 ; ymm3=CbO*-FIX(0.344)+CrO*FIX(0.285) 178 vpsubw ymm2, ymm2, ymm6 ; ymm2=CbE*-FIX(0.344)+CrE*-FIX(0.714)=(G-Y)E 179 vpsubw ymm3, ymm3, ymm7 ; ymm3=CbO*-FIX(0.344)+CrO*-FIX(0.714)=(G-Y)O 180 181 vmovdqu ymm5, YMMWORD [esi] ; ymm5=Y(0123456789ABCDEFGHIJKLMNOPQRSTUV) 182 183 vpcmpeqw ymm4, ymm4, ymm4 184 vpsrlw ymm4, ymm4, BYTE_BIT ; ymm4={0xFF 0x00 0xFF 0x00 ..} 185 vpand ymm4, ymm4, ymm5 ; ymm4=Y(02468ACEGIKMOQSU)=YE 186 vpsrlw ymm5, ymm5, BYTE_BIT ; ymm5=Y(13579BDFHJLNPRTV)=YO 187 188 vpaddw ymm0, ymm0, ymm4 ; ymm0=((R-Y)E+YE)=RE=R(02468ACEGIKMOQSU) 189 vpaddw ymm1, ymm1, ymm5 ; ymm1=((R-Y)O+YO)=RO=R(13579BDFHJLNPRTV) 190 vpackuswb ymm0, ymm0, ymm0 ; ymm0=R(02468ACE********GIKMOQSU********) 191 vpackuswb ymm1, ymm1, ymm1 ; ymm1=R(13579BDF********HJLNPRTV********) 192 193 vpaddw ymm2, ymm2, ymm4 ; ymm2=((G-Y)E+YE)=GE=G(02468ACEGIKMOQSU) 194 vpaddw ymm3, ymm3, ymm5 ; ymm3=((G-Y)O+YO)=GO=G(13579BDFHJLNPRTV) 195 vpackuswb ymm2, ymm2, ymm2 ; ymm2=G(02468ACE********GIKMOQSU********) 196 vpackuswb ymm3, ymm3, ymm3 ; ymm3=G(13579BDF********HJLNPRTV********) 197 198 vpaddw ymm4, ymm4, YMMWORD [wk(0)] ; ymm4=(YE+(B-Y)E)=BE=B(02468ACEGIKMOQSU) 199 vpaddw ymm5, ymm5, YMMWORD [wk(1)] ; ymm5=(YO+(B-Y)O)=BO=B(13579BDFHJLNPRTV) 200 vpackuswb ymm4, ymm4, ymm4 ; ymm4=B(02468ACE********GIKMOQSU********) 201 vpackuswb ymm5, ymm5, ymm5 ; ymm5=B(13579BDF********HJLNPRTV********) 202 203%if RGB_PIXELSIZE == 3 ; --------------- 204 205 ; ymmA=(00 02 04 06 08 0A 0C 0E ** 0G 0I 0K 0M 0O 0Q 0S 0U **) 206 ; ymmB=(01 03 05 07 09 0B 0D 0F ** 0H 0J 0L 0N 0P 0R 0T 0V **) 207 ; ymmC=(10 12 14 16 18 1A 1C 1E ** 1G 1I 1K 1M 1O 1Q 1S 1U **) 208 ; ymmD=(11 13 15 17 19 1B 1D 1F ** 1H 1J 1L 1N 1P 1R 1T 1V **) 209 ; ymmE=(20 22 24 26 28 2A 2C 2E ** 2G 2I 2K 2M 2O 2Q 2S 2U **) 210 ; ymmF=(21 23 25 27 29 2B 2D 2F ** 2H 2J 2L 2N 2P 2R 2T 2V **) 211 ; ymmG=(** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **) 212 ; ymmH=(** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **) 213 214 vpunpcklbw ymmA, ymmA, ymmC ; ymmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E 215 ; 0G 1G 0I 1I 0K 1K 0M 1M 0O 1O 0Q 1Q 0S 1S 0U 1U) 216 vpunpcklbw ymmE, ymmE, ymmB ; ymmE=(20 01 22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0F 217 ; 2G 0H 2I 0J 2K 0L 2M 0N 2O 0P 2Q 0R 2S 0T 2U 0V) 218 vpunpcklbw ymmD, ymmD, ymmF ; ymmD=(11 21 13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2F 219 ; 1H 2H 1J 2J 1L 2L 1N 2N 1P 2P 1R 2R 1T 2T 1V 2V) 220 221 vpsrldq ymmH, ymmA, 2 ; ymmH=(02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E 0G 1G 222 ; 0I 1I 0K 1K 0M 1M 0O 1O 0Q 1Q 0S 1S 0U 1U -- --) 223 vpunpckhwd ymmG, ymmA, ymmE ; ymmG=(08 18 28 09 0A 1A 2A 0B 0C 1C 2C 0D 0E 1E 2E 0F 224 ; 0O 1O 2O 0P 0Q 1Q 2Q 0R 0S 1S 2S 0T 0U 1U 2U 0V) 225 vpunpcklwd ymmA, ymmA, ymmE ; ymmA=(00 10 20 01 02 12 22 03 04 14 24 05 06 16 26 07 226 ; 0G 1G 2G 0H 0I 1I 2I 0J 0K 1K 2K 0L 0M 1M 2M 0N) 227 228 vpsrldq ymmE, ymmE, 2 ; ymmE=(22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0F 2G 0H 229 ; 2I 0J 2K 0L 2M 0N 2O 0P 2Q 0R 2S 0T 2U 0V -- --) 230 231 vpsrldq ymmB, ymmD, 2 ; ymmB=(13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2F 1H 2H 232 ; 1J 2J 1L 2L 1N 2N 1P 2P 1R 2R 1T 2T 1V 2V -- --) 233 vpunpckhwd ymmC, ymmD, ymmH ; ymmC=(19 29 0A 1A 1B 2B 0C 1C 1D 2D 0E 1E 1F 2F 0G 1G 234 ; 1P 2P 0Q 1Q 1R 2R 0S 1S 1T 2T 0U 1U 1V 2V -- --) 235 vpunpcklwd ymmD, ymmD, ymmH ; ymmD=(11 21 02 12 13 23 04 14 15 25 06 16 17 27 08 18 236 ; 1H 2H 0I 1I 1J 2J 0K 1K 1L 2L 0M 1M 1N 2N 0O 1O) 237 238 vpunpckhwd ymmF, ymmE, ymmB ; ymmF=(2A 0B 1B 2B 2C 0D 1D 2D 2E 0F 1F 2F 2G 0H 1H 2H 239 ; 2Q 0R 1R 2R 2S 0T 1T 2T 2U 0V 1V 2V -- -- -- --) 240 vpunpcklwd ymmE, ymmE, ymmB ; ymmE=(22 03 13 23 24 05 15 25 26 07 17 27 28 09 19 29 241 ; 2I 0J 1J 2J 2K 0L 1L 2L 2M 0N 1N 2N 2O 0P 1P 2P) 242 243 vpshufd ymmH, ymmA, 0x4E ; ymmH=(04 14 24 05 06 16 26 07 00 10 20 01 02 12 22 03 244 ; 0K 1K 2K 0L 0M 1M 2M 0N 0G 1G 2G 0H 0I 1I 2I 0J) 245 vpunpckldq ymmA, ymmA, ymmD ; ymmA=(00 10 20 01 11 21 02 12 02 12 22 03 13 23 04 14 246 ; 0G 1G 2G 0H 1H 2H 0I 1I 0I 1I 2I 0J 1J 2J 0K 1K) 247 vpunpckhdq ymmD, ymmD, ymmE ; ymmD=(15 25 06 16 26 07 17 27 17 27 08 18 28 09 19 29 248 ; 1L 2L 0M 1M 2M 0N 1N 2N 1N 2N 0O 1O 2O 0P 1P 2P) 249 vpunpckldq ymmE, ymmE, ymmH ; ymmE=(22 03 13 23 04 14 24 05 24 05 15 25 06 16 26 07 250 ; 2I 0J 1J 2J 0K 1K 2K 0L 2K 0L 1L 2L 0M 1M 2M 0N) 251 252 vpshufd ymmH, ymmG, 0x4E ; ymmH=(0C 1C 2C 0D 0E 1E 2E 0F 08 18 28 09 0A 1A 2A 0B 253 ; 0S 1S 2S 0T 0U 1U 2U 0V 0O 1O 2O 0P 0Q 1Q 2Q 0R) 254 vpunpckldq ymmG, ymmG, ymmC ; ymmG=(08 18 28 09 19 29 0A 1A 0A 1A 2A 0B 1B 2B 0C 1C 255 ; 0O 1O 2O 0P 1P 2P 0Q 1Q 0Q 1Q 2Q 0R 1R 2R 0S 1S) 256 vpunpckhdq ymmC, ymmC, ymmF ; ymmC=(1D 2D 0E 1E 2E 0F 1F 2F 1F 2F 0G 1G 2G 0H 1H 2H 257 ; 1T 2T 0U 1U 2U 0V 1V 2V 1V 2V -- -- -- -- -- --) 258 vpunpckldq ymmF, ymmF, ymmH ; ymmF=(2A 0B 1B 2B 0C 1C 2C 0D 2C 0D 1D 2D 0E 1E 2E 0F 259 ; 2Q 0R 1R 2R 0S 1S 2S 0T 2S 0T 1T 2T 0U 1U 2U 0V) 260 261 vpunpcklqdq ymmH, ymmA, ymmE ; ymmH=(00 10 20 01 11 21 02 12 22 03 13 23 04 14 24 05 262 ; 0G 1G 2G 0H 1H 2H 0I 1I 2I 0J 1J 2J 0K 1K 2K 0L) 263 vpunpcklqdq ymmG, ymmD, ymmG ; ymmG=(15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A 264 ; 1L 2L 0M 1M 2M 0N 1N 2N 0O 1O 2O 0P 1P 2P 0Q 1Q) 265 vpunpcklqdq ymmC, ymmF, ymmC ; ymmC=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0F 1F 2F 266 ; 2Q 0R 1R 2R 0S 1S 2S 0T 1T 2T 0U 1U 2U 0V 1V 2V) 267 268 vperm2i128 ymmA, ymmH, ymmG, 0x20 ; ymmA=(00 10 20 01 11 21 02 12 22 03 13 23 04 14 24 05 269 ; 15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A) 270 vperm2i128 ymmD, ymmC, ymmH, 0x30 ; ymmD=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0F 1F 2F 271 ; 0G 1G 2G 0H 1H 2H 0I 1I 2I 0J 1J 2J 0K 1K 2K 0L) 272 vperm2i128 ymmF, ymmG, ymmC, 0x31 ; ymmF=(1L 2L 0M 1M 2M 0N 1N 2N 0O 1O 2O 0P 1P 2P 0Q 1Q 273 ; 2Q 0R 1R 2R 0S 1S 2S 0T 1T 2T 0U 1U 2U 0V 1V 2V) 274 275 cmp ecx, byte SIZEOF_YMMWORD 276 jb short .column_st64 277 278 test edi, SIZEOF_YMMWORD-1 279 jnz short .out1 280 ; --(aligned)------------------- 281 vmovntdq YMMWORD [edi+0*SIZEOF_YMMWORD], ymmA 282 vmovntdq YMMWORD [edi+1*SIZEOF_YMMWORD], ymmD 283 vmovntdq YMMWORD [edi+2*SIZEOF_YMMWORD], ymmF 284 jmp short .out0 285.out1: ; --(unaligned)----------------- 286 vmovdqu YMMWORD [edi+0*SIZEOF_YMMWORD], ymmA 287 vmovdqu YMMWORD [edi+1*SIZEOF_YMMWORD], ymmD 288 vmovdqu YMMWORD [edi+2*SIZEOF_YMMWORD], ymmF 289.out0: 290 add edi, byte RGB_PIXELSIZE*SIZEOF_YMMWORD ; outptr 291 sub ecx, byte SIZEOF_YMMWORD 292 jz near .nextrow 293 294 add esi, byte SIZEOF_YMMWORD ; inptr0 295 add ebx, byte SIZEOF_YMMWORD ; inptr1 296 add edx, byte SIZEOF_YMMWORD ; inptr2 297 jmp near .columnloop 298 alignx 16, 7 299 300.column_st64: 301 lea ecx, [ecx+ecx*2] ; imul ecx, RGB_PIXELSIZE 302 cmp ecx, byte 2*SIZEOF_YMMWORD 303 jb short .column_st32 304 vmovdqu YMMWORD [edi+0*SIZEOF_YMMWORD], ymmA 305 vmovdqu YMMWORD [edi+1*SIZEOF_YMMWORD], ymmD 306 add edi, byte 2*SIZEOF_YMMWORD ; outptr 307 vmovdqa ymmA, ymmF 308 sub ecx, byte 2*SIZEOF_YMMWORD 309 jmp short .column_st31 310.column_st32: 311 cmp ecx, byte SIZEOF_YMMWORD 312 jb short .column_st31 313 vmovdqu YMMWORD [edi+0*SIZEOF_YMMWORD], ymmA 314 add edi, byte SIZEOF_YMMWORD ; outptr 315 vmovdqa ymmA, ymmD 316 sub ecx, byte SIZEOF_YMMWORD 317 jmp short .column_st31 318.column_st31: 319 cmp ecx, byte SIZEOF_XMMWORD 320 jb short .column_st15 321 vmovdqu XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA 322 add edi, byte SIZEOF_XMMWORD ; outptr 323 vperm2i128 ymmA, ymmA, ymmA, 1 324 sub ecx, byte SIZEOF_XMMWORD 325.column_st15: 326 ; Store the lower 8 bytes of xmmA to the output when it has enough 327 ; space. 328 cmp ecx, byte SIZEOF_MMWORD 329 jb short .column_st7 330 vmovq XMM_MMWORD [edi], xmmA 331 add edi, byte SIZEOF_MMWORD 332 sub ecx, byte SIZEOF_MMWORD 333 vpsrldq xmmA, xmmA, SIZEOF_MMWORD 334.column_st7: 335 ; Store the lower 4 bytes of xmmA to the output when it has enough 336 ; space. 337 cmp ecx, byte SIZEOF_DWORD 338 jb short .column_st3 339 vmovd XMM_DWORD [edi], xmmA 340 add edi, byte SIZEOF_DWORD 341 sub ecx, byte SIZEOF_DWORD 342 vpsrldq xmmA, xmmA, SIZEOF_DWORD 343.column_st3: 344 ; Store the lower 2 bytes of eax to the output when it has enough 345 ; space. 346 vmovd eax, xmmA 347 cmp ecx, byte SIZEOF_WORD 348 jb short .column_st1 349 mov word [edi], ax 350 add edi, byte SIZEOF_WORD 351 sub ecx, byte SIZEOF_WORD 352 shr eax, 16 353.column_st1: 354 ; Store the lower 1 byte of eax to the output when it has enough 355 ; space. 356 test ecx, ecx 357 jz short .nextrow 358 mov byte [edi], al 359 360%else ; RGB_PIXELSIZE == 4 ; ----------- 361 362%ifdef RGBX_FILLER_0XFF 363 vpcmpeqb ymm6, ymm6, ymm6 ; ymm6=XE=X(02468ACE********GIKMOQSU********) 364 vpcmpeqb ymm7, ymm7, ymm7 ; ymm7=XO=X(13579BDF********HJLNPRTV********) 365%else 366 vpxor ymm6, ymm6, ymm6 ; ymm6=XE=X(02468ACE********GIKMOQSU********) 367 vpxor ymm7, ymm7, ymm7 ; ymm7=XO=X(13579BDF********HJLNPRTV********) 368%endif 369 ; ymmA=(00 02 04 06 08 0A 0C 0E ** 0G 0I 0K 0M 0O 0Q 0S 0U **) 370 ; ymmB=(01 03 05 07 09 0B 0D 0F ** 0H 0J 0L 0N 0P 0R 0T 0V **) 371 ; ymmC=(10 12 14 16 18 1A 1C 1E ** 1G 1I 1K 1M 1O 1Q 1S 1U **) 372 ; ymmD=(11 13 15 17 19 1B 1D 1F ** 1H 1J 1L 1N 1P 1R 1T 1V **) 373 ; ymmE=(20 22 24 26 28 2A 2C 2E ** 2G 2I 2K 2M 2O 2Q 2S 2U **) 374 ; ymmF=(21 23 25 27 29 2B 2D 2F ** 2H 2J 2L 2N 2P 2R 2T 2V **) 375 ; ymmG=(30 32 34 36 38 3A 3C 3E ** 3G 3I 3K 3M 3O 3Q 3S 3U **) 376 ; ymmH=(31 33 35 37 39 3B 3D 3F ** 3H 3J 3L 3N 3P 3R 3T 3V **) 377 378 vpunpcklbw ymmA, ymmA, ymmC ; ymmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E 379 ; 0G 1G 0I 1I 0K 1K 0M 1M 0O 1O 0Q 1Q 0S 1S 0U 1U) 380 vpunpcklbw ymmE, ymmE, ymmG ; ymmE=(20 30 22 32 24 34 26 36 28 38 2A 3A 2C 3C 2E 3E 381 ; 2G 3G 2I 3I 2K 3K 2M 3M 2O 3O 2Q 3Q 2S 3S 2U 3U) 382 vpunpcklbw ymmB, ymmB, ymmD ; ymmB=(01 11 03 13 05 15 07 17 09 19 0B 1B 0D 1D 0F 1F 383 ; 0H 1H 0J 1J 0L 1L 0N 1N 0P 1P 0R 1R 0T 1T 0V 1V) 384 vpunpcklbw ymmF, ymmF, ymmH ; ymmF=(21 31 23 33 25 35 27 37 29 39 2B 3B 2D 3D 2F 3F 385 ; 2H 3H 2J 3J 2L 3L 2N 3N 2P 3P 2R 3R 2T 3T 2V 3V) 386 387 vpunpckhwd ymmC, ymmA, ymmE ; ymmC=(08 18 28 38 0A 1A 2A 3A 0C 1C 2C 3C 0E 1E 2E 3E 388 ; 0O 1O 2O 3O 0Q 1Q 2Q 3Q 0S 1S 2S 3S 0U 1U 2U 3U) 389 vpunpcklwd ymmA, ymmA, ymmE ; ymmA=(00 10 20 30 02 12 22 32 04 14 24 34 06 16 26 36 390 ; 0G 1G 2G 3G 0I 1I 2I 3I 0K 1K 2K 3K 0M 1M 2M 3M) 391 vpunpckhwd ymmG, ymmB, ymmF ; ymmG=(09 19 29 39 0B 1B 2B 3B 0D 1D 2D 3D 0F 1F 2F 3F 392 ; 0P 1P 2P 3P 0R 1R 2R 3R 0T 1T 2T 3T 0V 1V 2V 3V) 393 vpunpcklwd ymmB, ymmB, ymmF ; ymmB=(01 11 21 31 03 13 23 33 05 15 25 35 07 17 27 37 394 ; 0H 1H 2H 3H 0J 1J 2J 3J 0L 1L 2L 3L 0N 1N 2N 3N) 395 396 vpunpckhdq ymmE, ymmA, ymmB ; ymmE=(04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37 397 ; 0K 1K 2K 3K 0L 1L 2L 3L 0M 1M 2M 3M 0N 1N 2N 3N) 398 vpunpckldq ymmB, ymmA, ymmB ; ymmB=(00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33 399 ; 0G 1G 2G 3G 0H 1H 2H 3H 0I 1I 2I 3I 0J 1J 2J 3J) 400 vpunpckhdq ymmF, ymmC, ymmG ; ymmF=(0C 1C 2C 3C 0D 1D 2D 3D 0E 1E 2E 3E 0F 1F 2F 3F 401 ; 0S 1S 2S 3S 0T 1T 2T 3T 0U 1U 2U 3U 0V 1V 2V 3V) 402 vpunpckldq ymmG, ymmC, ymmG ; ymmG=(08 18 28 38 09 19 29 39 0A 1A 2A 3A 0B 1B 2B 3B 403 ; 0O 1O 2O 3O 0P 1P 2P 3P 0Q 1Q 2Q 3Q 0R 1R 2R 3R) 404 405 vperm2i128 ymmA, ymmB, ymmE, 0x20 ; ymmA=(00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33 406 ; 04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37) 407 vperm2i128 ymmD, ymmG, ymmF, 0x20 ; ymmD=(08 18 28 38 09 19 29 39 0A 1A 2A 3A 0B 1B 2B 3B 408 ; 0C 1C 2C 3C 0D 1D 2D 3D 0E 1E 2E 3E 0F 1F 2F 3F) 409 vperm2i128 ymmC, ymmB, ymmE, 0x31 ; ymmC=(0G 1G 2G 3G 0H 1H 2H 3H 0I 1I 2I 3I 0J 1J 2J 3J 410 ; 0K 1K 2K 3K 0L 1L 2L 3L 0M 1M 2M 3M 0N 1N 2N 3N) 411 vperm2i128 ymmH, ymmG, ymmF, 0x31 ; ymmH=(0O 1O 2O 3O 0P 1P 2P 3P 0Q 1Q 2Q 3Q 0R 1R 2R 3R 412 ; 0S 1S 2S 3S 0T 1T 2T 3T 0U 1U 2U 3U 0V 1V 2V 3V) 413 414 cmp ecx, byte SIZEOF_YMMWORD 415 jb short .column_st64 416 417 test edi, SIZEOF_YMMWORD-1 418 jnz short .out1 419 ; --(aligned)------------------- 420 vmovntdq YMMWORD [edi+0*SIZEOF_YMMWORD], ymmA 421 vmovntdq YMMWORD [edi+1*SIZEOF_YMMWORD], ymmD 422 vmovntdq YMMWORD [edi+2*SIZEOF_YMMWORD], ymmC 423 vmovntdq YMMWORD [edi+3*SIZEOF_YMMWORD], ymmH 424 jmp short .out0 425.out1: ; --(unaligned)----------------- 426 vmovdqu YMMWORD [edi+0*SIZEOF_YMMWORD], ymmA 427 vmovdqu YMMWORD [edi+1*SIZEOF_YMMWORD], ymmD 428 vmovdqu YMMWORD [edi+2*SIZEOF_YMMWORD], ymmC 429 vmovdqu YMMWORD [edi+3*SIZEOF_YMMWORD], ymmH 430.out0: 431 add edi, RGB_PIXELSIZE*SIZEOF_YMMWORD ; outptr 432 sub ecx, byte SIZEOF_YMMWORD 433 jz near .nextrow 434 435 add esi, byte SIZEOF_YMMWORD ; inptr0 436 add ebx, byte SIZEOF_YMMWORD ; inptr1 437 add edx, byte SIZEOF_YMMWORD ; inptr2 438 jmp near .columnloop 439 alignx 16, 7 440 441.column_st64: 442 cmp ecx, byte SIZEOF_YMMWORD/2 443 jb short .column_st32 444 vmovdqu YMMWORD [edi+0*SIZEOF_YMMWORD], ymmA 445 vmovdqu YMMWORD [edi+1*SIZEOF_YMMWORD], ymmD 446 add edi, byte 2*SIZEOF_YMMWORD ; outptr 447 vmovdqa ymmA, ymmC 448 vmovdqa ymmD, ymmH 449 sub ecx, byte SIZEOF_YMMWORD/2 450.column_st32: 451 cmp ecx, byte SIZEOF_YMMWORD/4 452 jb short .column_st16 453 vmovdqu YMMWORD [edi+0*SIZEOF_YMMWORD], ymmA 454 add edi, byte SIZEOF_YMMWORD ; outptr 455 vmovdqa ymmA, ymmD 456 sub ecx, byte SIZEOF_YMMWORD/4 457.column_st16: 458 cmp ecx, byte SIZEOF_YMMWORD/8 459 jb short .column_st15 460 vmovdqu XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA 461 vperm2i128 ymmA, ymmA, ymmA, 1 462 add edi, byte SIZEOF_XMMWORD ; outptr 463 sub ecx, byte SIZEOF_YMMWORD/8 464.column_st15: 465 ; Store two pixels (8 bytes) of ymmA to the output when it has enough 466 ; space. 467 cmp ecx, byte SIZEOF_YMMWORD/16 468 jb short .column_st7 469 vmovq MMWORD [edi], xmmA 470 add edi, byte SIZEOF_YMMWORD/16*4 471 sub ecx, byte SIZEOF_YMMWORD/16 472 vpsrldq xmmA, SIZEOF_YMMWORD/16*4 473.column_st7: 474 ; Store one pixel (4 bytes) of ymmA to the output when it has enough 475 ; space. 476 test ecx, ecx 477 jz short .nextrow 478 vmovd XMM_DWORD [edi], xmmA 479 480%endif ; RGB_PIXELSIZE ; --------------- 481 482 alignx 16, 7 483 484.nextrow: 485 pop ecx 486 pop esi 487 pop ebx 488 pop edx 489 pop edi 490 pop eax 491 492 add esi, byte SIZEOF_JSAMPROW 493 add ebx, byte SIZEOF_JSAMPROW 494 add edx, byte SIZEOF_JSAMPROW 495 add edi, byte SIZEOF_JSAMPROW ; output_buf 496 dec eax ; num_rows 497 jg near .rowloop 498 499 sfence ; flush the write buffer 500 501.return: 502 vzeroupper 503 pop edi 504 pop esi 505; pop edx ; need not be preserved 506; pop ecx ; need not be preserved 507 pop ebx 508 mov esp, ebp ; esp <- aligned ebp 509 pop esp ; esp <- original ebp 510 pop ebp 511 ret 512 513; For some reason, the OS X linker does not honor the request to align the 514; segment unless we do this. 515 align 32 516