1; 2; jdmrgext.asm - merged upsampling/color conversion (64-bit AVX2) 3; 4; Copyright 2009, 2012 Pierre Ossman <ossman@cendio.se> for Cendio AB 5; Copyright (C) 2009, 2012, 2016, D. R. Commander. 6; Copyright (C) 2015, Intel Corporation. 7; Copyright (C) 2018, Matthias Räncker. 8; 9; Based on the x86 SIMD extension for IJG JPEG library 10; Copyright (C) 1999-2006, MIYASAKA Masaru. 11; For conditions of distribution and use, see copyright notice in jsimdext.inc 12; 13; This file should be assembled with NASM (Netwide Assembler), 14; can *not* be assembled with Microsoft's MASM or any compatible 15; assembler (including Borland's Turbo Assembler). 16; NASM is available from http://nasm.sourceforge.net/ or 17; http://sourceforge.net/project/showfiles.php?group_id=6208 18 19%include "jcolsamp.inc" 20 21; -------------------------------------------------------------------------- 22; 23; Upsample and color convert for the case of 2:1 horizontal and 1:1 vertical. 24; 25; GLOBAL(void) 26; jsimd_h2v1_merged_upsample_avx2(JDIMENSION output_width, 27; JSAMPIMAGE input_buf, 28; JDIMENSION in_row_group_ctr, 29; JSAMPARRAY output_buf); 30; 31 32; r10d = JDIMENSION output_width 33; r11 = JSAMPIMAGE input_buf 34; r12d = JDIMENSION in_row_group_ctr 35; r13 = JSAMPARRAY output_buf 36 37%define wk(i) rbp - (WK_NUM - (i)) * SIZEOF_YMMWORD ; ymmword wk[WK_NUM] 38%define WK_NUM 3 39 40 align 32 41 GLOBAL_FUNCTION(jsimd_h2v1_merged_upsample_avx2) 42 43EXTN(jsimd_h2v1_merged_upsample_avx2): 44 push rbp 45 mov rax, rsp ; rax = original rbp 46 sub rsp, byte 4 47 and rsp, byte (-SIZEOF_YMMWORD) ; align to 256 bits 48 mov [rsp], rax 49 mov rbp, rsp ; rbp = aligned rbp 50 lea rsp, [wk(0)] 51 collect_args 4 52 push rbx 53 54 mov ecx, r10d ; col 55 test rcx, rcx 56 jz near .return 57 58 push rcx 59 60 mov rdi, r11 61 mov ecx, r12d 62 mov rsip, JSAMPARRAY [rdi+0*SIZEOF_JSAMPARRAY] 63 mov rbxp, JSAMPARRAY [rdi+1*SIZEOF_JSAMPARRAY] 64 mov rdxp, JSAMPARRAY [rdi+2*SIZEOF_JSAMPARRAY] 65 mov rdi, r13 66 mov rsip, JSAMPROW [rsi+rcx*SIZEOF_JSAMPROW] ; inptr0 67 mov rbxp, JSAMPROW [rbx+rcx*SIZEOF_JSAMPROW] ; inptr1 68 mov rdxp, JSAMPROW [rdx+rcx*SIZEOF_JSAMPROW] ; inptr2 69 mov rdip, JSAMPROW [rdi] ; outptr 70 71 pop rcx ; col 72 73.columnloop: 74 75 vmovdqu ymm6, YMMWORD [rbx] ; ymm6=Cb(0123456789ABCDEFGHIJKLMNOPQRSTUV) 76 vmovdqu ymm7, YMMWORD [rdx] ; ymm7=Cr(0123456789ABCDEFGHIJKLMNOPQRSTUV) 77 78 vpxor ymm1, ymm1, ymm1 ; ymm1=(all 0's) 79 vpcmpeqw ymm3, ymm3, ymm3 80 vpsllw ymm3, ymm3, 7 ; ymm3={0xFF80 0xFF80 0xFF80 0xFF80 ..} 81 82 vpermq ymm6, ymm6, 0xd8 ; ymm6=Cb(01234567GHIJKLMN89ABCDEFOPQRSTUV) 83 vpermq ymm7, ymm7, 0xd8 ; ymm7=Cr(01234567GHIJKLMN89ABCDEFOPQRSTUV) 84 vpunpcklbw ymm4, ymm6, ymm1 ; ymm4=Cb(0123456789ABCDEF)=CbL 85 vpunpckhbw ymm6, ymm6, ymm1 ; ymm6=Cb(GHIJKLMNOPQRSTUV)=CbH 86 vpunpcklbw ymm0, ymm7, ymm1 ; ymm0=Cr(0123456789ABCDEF)=CrL 87 vpunpckhbw ymm7, ymm7, ymm1 ; ymm7=Cr(GHIJKLMNOPQRSTUV)=CrH 88 89 vpaddw ymm5, ymm6, ymm3 90 vpaddw ymm2, ymm4, ymm3 91 vpaddw ymm1, ymm7, ymm3 92 vpaddw ymm3, ymm0, ymm3 93 94 ; (Original) 95 ; R = Y + 1.40200 * Cr 96 ; G = Y - 0.34414 * Cb - 0.71414 * Cr 97 ; B = Y + 1.77200 * Cb 98 ; 99 ; (This implementation) 100 ; R = Y + 0.40200 * Cr + Cr 101 ; G = Y - 0.34414 * Cb + 0.28586 * Cr - Cr 102 ; B = Y - 0.22800 * Cb + Cb + Cb 103 104 vpaddw ymm6, ymm5, ymm5 ; ymm6=2*CbH 105 vpaddw ymm4, ymm2, ymm2 ; ymm4=2*CbL 106 vpaddw ymm7, ymm1, ymm1 ; ymm7=2*CrH 107 vpaddw ymm0, ymm3, ymm3 ; ymm0=2*CrL 108 109 vpmulhw ymm6, ymm6, [rel PW_MF0228] ; ymm6=(2*CbH * -FIX(0.22800)) 110 vpmulhw ymm4, ymm4, [rel PW_MF0228] ; ymm4=(2*CbL * -FIX(0.22800)) 111 vpmulhw ymm7, ymm7, [rel PW_F0402] ; ymm7=(2*CrH * FIX(0.40200)) 112 vpmulhw ymm0, ymm0, [rel PW_F0402] ; ymm0=(2*CrL * FIX(0.40200)) 113 114 vpaddw ymm6, ymm6, [rel PW_ONE] 115 vpaddw ymm4, ymm4, [rel PW_ONE] 116 vpsraw ymm6, ymm6, 1 ; ymm6=(CbH * -FIX(0.22800)) 117 vpsraw ymm4, ymm4, 1 ; ymm4=(CbL * -FIX(0.22800)) 118 vpaddw ymm7, ymm7, [rel PW_ONE] 119 vpaddw ymm0, ymm0, [rel PW_ONE] 120 vpsraw ymm7, ymm7, 1 ; ymm7=(CrH * FIX(0.40200)) 121 vpsraw ymm0, ymm0, 1 ; ymm0=(CrL * FIX(0.40200)) 122 123 vpaddw ymm6, ymm6, ymm5 124 vpaddw ymm4, ymm4, ymm2 125 vpaddw ymm6, ymm6, ymm5 ; ymm6=(CbH * FIX(1.77200))=(B-Y)H 126 vpaddw ymm4, ymm4, ymm2 ; ymm4=(CbL * FIX(1.77200))=(B-Y)L 127 vpaddw ymm7, ymm7, ymm1 ; ymm7=(CrH * FIX(1.40200))=(R-Y)H 128 vpaddw ymm0, ymm0, ymm3 ; ymm0=(CrL * FIX(1.40200))=(R-Y)L 129 130 vmovdqa YMMWORD [wk(0)], ymm6 ; wk(0)=(B-Y)H 131 vmovdqa YMMWORD [wk(1)], ymm7 ; wk(1)=(R-Y)H 132 133 vpunpckhwd ymm6, ymm5, ymm1 134 vpunpcklwd ymm5, ymm5, ymm1 135 vpmaddwd ymm5, ymm5, [rel PW_MF0344_F0285] 136 vpmaddwd ymm6, ymm6, [rel PW_MF0344_F0285] 137 vpunpckhwd ymm7, ymm2, ymm3 138 vpunpcklwd ymm2, ymm2, ymm3 139 vpmaddwd ymm2, ymm2, [rel PW_MF0344_F0285] 140 vpmaddwd ymm7, ymm7, [rel PW_MF0344_F0285] 141 142 vpaddd ymm5, ymm5, [rel PD_ONEHALF] 143 vpaddd ymm6, ymm6, [rel PD_ONEHALF] 144 vpsrad ymm5, ymm5, SCALEBITS 145 vpsrad ymm6, ymm6, SCALEBITS 146 vpaddd ymm2, ymm2, [rel PD_ONEHALF] 147 vpaddd ymm7, ymm7, [rel PD_ONEHALF] 148 vpsrad ymm2, ymm2, SCALEBITS 149 vpsrad ymm7, ymm7, SCALEBITS 150 151 vpackssdw ymm5, ymm5, ymm6 ; ymm5=CbH*-FIX(0.344)+CrH*FIX(0.285) 152 vpackssdw ymm2, ymm2, ymm7 ; ymm2=CbL*-FIX(0.344)+CrL*FIX(0.285) 153 vpsubw ymm5, ymm5, ymm1 ; ymm5=CbH*-FIX(0.344)+CrH*-FIX(0.714)=(G-Y)H 154 vpsubw ymm2, ymm2, ymm3 ; ymm2=CbL*-FIX(0.344)+CrL*-FIX(0.714)=(G-Y)L 155 156 vmovdqa YMMWORD [wk(2)], ymm5 ; wk(2)=(G-Y)H 157 158 mov al, 2 ; Yctr 159 jmp short .Yloop_1st 160 161.Yloop_2nd: 162 vmovdqa ymm0, YMMWORD [wk(1)] ; ymm0=(R-Y)H 163 vmovdqa ymm2, YMMWORD [wk(2)] ; ymm2=(G-Y)H 164 vmovdqa ymm4, YMMWORD [wk(0)] ; ymm4=(B-Y)H 165 166.Yloop_1st: 167 vmovdqu ymm7, YMMWORD [rsi] ; ymm7=Y(0123456789ABCDEFGHIJKLMNOPQRSTUV) 168 169 vpcmpeqw ymm6, ymm6, ymm6 170 vpsrlw ymm6, ymm6, BYTE_BIT ; ymm6={0xFF 0x00 0xFF 0x00 ..} 171 vpand ymm6, ymm6, ymm7 ; ymm6=Y(02468ACEGIKMOQSU)=YE 172 vpsrlw ymm7, ymm7, BYTE_BIT ; ymm7=Y(13579BDFHJLNPRTV)=YO 173 174 vmovdqa ymm1, ymm0 ; ymm1=ymm0=(R-Y)(L/H) 175 vmovdqa ymm3, ymm2 ; ymm3=ymm2=(G-Y)(L/H) 176 vmovdqa ymm5, ymm4 ; ymm5=ymm4=(B-Y)(L/H) 177 178 vpaddw ymm0, ymm0, ymm6 ; ymm0=((R-Y)+YE)=RE=R(02468ACEGIKMOQSU) 179 vpaddw ymm1, ymm1, ymm7 ; ymm1=((R-Y)+YO)=RO=R(13579BDFHJLNPRTV) 180 vpackuswb ymm0, ymm0, ymm0 ; ymm0=R(02468ACE********GIKMOQSU********) 181 vpackuswb ymm1, ymm1, ymm1 ; ymm1=R(13579BDF********HJLNPRTV********) 182 183 vpaddw ymm2, ymm2, ymm6 ; ymm2=((G-Y)+YE)=GE=G(02468ACEGIKMOQSU) 184 vpaddw ymm3, ymm3, ymm7 ; ymm3=((G-Y)+YO)=GO=G(13579BDFHJLNPRTV) 185 vpackuswb ymm2, ymm2, ymm2 ; ymm2=G(02468ACE********GIKMOQSU********) 186 vpackuswb ymm3, ymm3, ymm3 ; ymm3=G(13579BDF********HJLNPRTV********) 187 188 vpaddw ymm4, ymm4, ymm6 ; ymm4=((B-Y)+YE)=BE=B(02468ACEGIKMOQSU) 189 vpaddw ymm5, ymm5, ymm7 ; ymm5=((B-Y)+YO)=BO=B(13579BDFHJLNPRTV) 190 vpackuswb ymm4, ymm4, ymm4 ; ymm4=B(02468ACE********GIKMOQSU********) 191 vpackuswb ymm5, ymm5, ymm5 ; ymm5=B(13579BDF********HJLNPRTV********) 192 193%if RGB_PIXELSIZE == 3 ; --------------- 194 195 ; ymmA=(00 02 04 06 08 0A 0C 0E ** 0G 0I 0K 0M 0O 0Q 0S 0U **) 196 ; ymmB=(01 03 05 07 09 0B 0D 0F ** 0H 0J 0L 0N 0P 0R 0T 0V **) 197 ; ymmC=(10 12 14 16 18 1A 1C 1E ** 1G 1I 1K 1M 1O 1Q 1S 1U **) 198 ; ymmD=(11 13 15 17 19 1B 1D 1F ** 1H 1J 1L 1N 1P 1R 1T 1V **) 199 ; ymmE=(20 22 24 26 28 2A 2C 2E ** 2G 2I 2K 2M 2O 2Q 2S 2U **) 200 ; ymmF=(21 23 25 27 29 2B 2D 2F ** 2H 2J 2L 2N 2P 2R 2T 2V **) 201 ; ymmG=(** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **) 202 ; ymmH=(** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **) 203 204 vpunpcklbw ymmA, ymmA, ymmC ; ymmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E 205 ; 0G 1G 0I 1I 0K 1K 0M 1M 0O 1O 0Q 1Q 0S 1S 0U 1U) 206 vpunpcklbw ymmE, ymmE, ymmB ; ymmE=(20 01 22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0F 207 ; 2G 0H 2I 0J 2K 0L 2M 0N 2O 0P 2Q 0R 2S 0T 2U 0V) 208 vpunpcklbw ymmD, ymmD, ymmF ; ymmD=(11 21 13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2F 209 ; 1H 2H 1J 2J 1L 2L 1N 2N 1P 2P 1R 2R 1T 2T 1V 2V) 210 211 vpsrldq ymmH, ymmA, 2 ; ymmH=(02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E 0G 1G 212 ; 0I 1I 0K 1K 0M 1M 0O 1O 0Q 1Q 0S 1S 0U 1U -- --) 213 vpunpckhwd ymmG, ymmA, ymmE ; ymmG=(08 18 28 09 0A 1A 2A 0B 0C 1C 2C 0D 0E 1E 2E 0F 214 ; 0O 1O 2O 0P 0Q 1Q 2Q 0R 0S 1S 2S 0T 0U 1U 2U 0V) 215 vpunpcklwd ymmA, ymmA, ymmE ; ymmA=(00 10 20 01 02 12 22 03 04 14 24 05 06 16 26 07 216 ; 0G 1G 2G 0H 0I 1I 2I 0J 0K 1K 2K 0L 0M 1M 2M 0N) 217 218 vpsrldq ymmE, ymmE, 2 ; ymmE=(22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0F 2G 0H 219 ; 2I 0J 2K 0L 2M 0N 2O 0P 2Q 0R 2S 0T 2U 0V -- --) 220 221 vpsrldq ymmB, ymmD, 2 ; ymmB=(13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2F 1H 2H 222 ; 1J 2J 1L 2L 1N 2N 1P 2P 1R 2R 1T 2T 1V 2V -- --) 223 vpunpckhwd ymmC, ymmD, ymmH ; ymmC=(19 29 0A 1A 1B 2B 0C 1C 1D 2D 0E 1E 1F 2F 0G 1G 224 ; 1P 2P 0Q 1Q 1R 2R 0S 1S 1T 2T 0U 1U 1V 2V -- --) 225 vpunpcklwd ymmD, ymmD, ymmH ; ymmD=(11 21 02 12 13 23 04 14 15 25 06 16 17 27 08 18 226 ; 1H 2H 0I 1I 1J 2J 0K 1K 1L 2L 0M 1M 1N 2N 0O 1O) 227 228 vpunpckhwd ymmF, ymmE, ymmB ; ymmF=(2A 0B 1B 2B 2C 0D 1D 2D 2E 0F 1F 2F 2G 0H 1H 2H 229 ; 2Q 0R 1R 2R 2S 0T 1T 2T 2U 0V 1V 2V -- -- -- --) 230 vpunpcklwd ymmE, ymmE, ymmB ; ymmE=(22 03 13 23 24 05 15 25 26 07 17 27 28 09 19 29 231 ; 2I 0J 1J 2J 2K 0L 1L 2L 2M 0N 1N 2N 2O 0P 1P 2P) 232 233 vpshufd ymmH, ymmA, 0x4E ; ymmH=(04 14 24 05 06 16 26 07 00 10 20 01 02 12 22 03 234 ; 0K 1K 2K 0L 0M 1M 2M 0N 0G 1G 2G 0H 0I 1I 2I 0J) 235 vpunpckldq ymmA, ymmA, ymmD ; ymmA=(00 10 20 01 11 21 02 12 02 12 22 03 13 23 04 14 236 ; 0G 1G 2G 0H 1H 2H 0I 1I 0I 1I 2I 0J 1J 2J 0K 1K) 237 vpunpckhdq ymmD, ymmD, ymmE ; ymmD=(15 25 06 16 26 07 17 27 17 27 08 18 28 09 19 29 238 ; 1L 2L 0M 1M 2M 0N 1N 2N 1N 2N 0O 1O 2O 0P 1P 2P) 239 vpunpckldq ymmE, ymmE, ymmH ; ymmE=(22 03 13 23 04 14 24 05 24 05 15 25 06 16 26 07 240 ; 2I 0J 1J 2J 0K 1K 2K 0L 2K 0L 1L 2L 0M 1M 2M 0N) 241 242 vpshufd ymmH, ymmG, 0x4E ; ymmH=(0C 1C 2C 0D 0E 1E 2E 0F 08 18 28 09 0A 1A 2A 0B 243 ; 0S 1S 2S 0T 0U 1U 2U 0V 0O 1O 2O 0P 0Q 1Q 2Q 0R) 244 vpunpckldq ymmG, ymmG, ymmC ; ymmG=(08 18 28 09 19 29 0A 1A 0A 1A 2A 0B 1B 2B 0C 1C 245 ; 0O 1O 2O 0P 1P 2P 0Q 1Q 0Q 1Q 2Q 0R 1R 2R 0S 1S) 246 vpunpckhdq ymmC, ymmC, ymmF ; ymmC=(1D 2D 0E 1E 2E 0F 1F 2F 1F 2F 0G 1G 2G 0H 1H 2H 247 ; 1T 2T 0U 1U 2U 0V 1V 2V 1V 2V -- -- -- -- -- --) 248 vpunpckldq ymmF, ymmF, ymmH ; ymmF=(2A 0B 1B 2B 0C 1C 2C 0D 2C 0D 1D 2D 0E 1E 2E 0F 249 ; 2Q 0R 1R 2R 0S 1S 2S 0T 2S 0T 1T 2T 0U 1U 2U 0V) 250 251 vpunpcklqdq ymmH, ymmA, ymmE ; ymmH=(00 10 20 01 11 21 02 12 22 03 13 23 04 14 24 05 252 ; 0G 1G 2G 0H 1H 2H 0I 1I 2I 0J 1J 2J 0K 1K 2K 0L) 253 vpunpcklqdq ymmG, ymmD, ymmG ; ymmG=(15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A 254 ; 1L 2L 0M 1M 2M 0N 1N 2N 0O 1O 2O 0P 1P 2P 0Q 1Q) 255 vpunpcklqdq ymmC, ymmF, ymmC ; ymmC=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0F 1F 2F 256 ; 2Q 0R 1R 2R 0S 1S 2S 0T 1T 2T 0U 1U 2U 0V 1V 2V) 257 258 vperm2i128 ymmA, ymmH, ymmG, 0x20 ; ymmA=(00 10 20 01 11 21 02 12 22 03 13 23 04 14 24 05 259 ; 15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A) 260 vperm2i128 ymmD, ymmC, ymmH, 0x30 ; ymmD=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0F 1F 2F 261 ; 0G 1G 2G 0H 1H 2H 0I 1I 2I 0J 1J 2J 0K 1K 2K 0L) 262 vperm2i128 ymmF, ymmG, ymmC, 0x31 ; ymmF=(1L 2L 0M 1M 2M 0N 1N 2N 0O 1O 2O 0P 1P 2P 0Q 1Q 263 ; 2Q 0R 1R 2R 0S 1S 2S 0T 1T 2T 0U 1U 2U 0V 1V 2V) 264 265 cmp rcx, byte SIZEOF_YMMWORD 266 jb short .column_st64 267 268 test rdi, SIZEOF_YMMWORD-1 269 jnz short .out1 270 ; --(aligned)------------------- 271 vmovntdq YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA 272 vmovntdq YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD 273 vmovntdq YMMWORD [rdi+2*SIZEOF_YMMWORD], ymmF 274 jmp short .out0 275.out1: ; --(unaligned)----------------- 276 vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA 277 vmovdqu YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD 278 vmovdqu YMMWORD [rdi+2*SIZEOF_YMMWORD], ymmF 279.out0: 280 add rdi, byte RGB_PIXELSIZE*SIZEOF_YMMWORD ; outptr 281 sub rcx, byte SIZEOF_YMMWORD 282 jz near .endcolumn 283 284 add rsi, byte SIZEOF_YMMWORD ; inptr0 285 dec al ; Yctr 286 jnz near .Yloop_2nd 287 288 add rbx, byte SIZEOF_YMMWORD ; inptr1 289 add rdx, byte SIZEOF_YMMWORD ; inptr2 290 jmp near .columnloop 291 292.column_st64: 293 lea rcx, [rcx+rcx*2] ; imul ecx, RGB_PIXELSIZE 294 cmp rcx, byte 2*SIZEOF_YMMWORD 295 jb short .column_st32 296 vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA 297 vmovdqu YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD 298 add rdi, byte 2*SIZEOF_YMMWORD ; outptr 299 vmovdqa ymmA, ymmF 300 sub rcx, byte 2*SIZEOF_YMMWORD 301 jmp short .column_st31 302.column_st32: 303 cmp rcx, byte SIZEOF_YMMWORD 304 jb short .column_st31 305 vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA 306 add rdi, byte SIZEOF_YMMWORD ; outptr 307 vmovdqa ymmA, ymmD 308 sub rcx, byte SIZEOF_YMMWORD 309 jmp short .column_st31 310.column_st31: 311 cmp rcx, byte SIZEOF_XMMWORD 312 jb short .column_st15 313 vmovdqu XMMWORD [rdi+0*SIZEOF_XMMWORD], xmmA 314 add rdi, byte SIZEOF_XMMWORD ; outptr 315 vperm2i128 ymmA, ymmA, ymmA, 1 316 sub rcx, byte SIZEOF_XMMWORD 317.column_st15: 318 ; Store the lower 8 bytes of xmmA to the output when it has enough 319 ; space. 320 cmp rcx, byte SIZEOF_MMWORD 321 jb short .column_st7 322 vmovq XMM_MMWORD [rdi], xmmA 323 add rdi, byte SIZEOF_MMWORD 324 sub rcx, byte SIZEOF_MMWORD 325 vpsrldq xmmA, xmmA, SIZEOF_MMWORD 326.column_st7: 327 ; Store the lower 4 bytes of xmmA to the output when it has enough 328 ; space. 329 cmp rcx, byte SIZEOF_DWORD 330 jb short .column_st3 331 vmovd XMM_DWORD [rdi], xmmA 332 add rdi, byte SIZEOF_DWORD 333 sub rcx, byte SIZEOF_DWORD 334 vpsrldq xmmA, xmmA, SIZEOF_DWORD 335.column_st3: 336 ; Store the lower 2 bytes of rax to the output when it has enough 337 ; space. 338 vmovd eax, xmmA 339 cmp rcx, byte SIZEOF_WORD 340 jb short .column_st1 341 mov word [rdi], ax 342 add rdi, byte SIZEOF_WORD 343 sub rcx, byte SIZEOF_WORD 344 shr rax, 16 345.column_st1: 346 ; Store the lower 1 byte of rax to the output when it has enough 347 ; space. 348 test rcx, rcx 349 jz short .endcolumn 350 mov byte [rdi], al 351 352%else ; RGB_PIXELSIZE == 4 ; ----------- 353 354%ifdef RGBX_FILLER_0XFF 355 vpcmpeqb ymm6, ymm6, ymm6 ; ymm6=XE=X(02468ACE********GIKMOQSU********) 356 vpcmpeqb ymm7, ymm7, ymm7 ; ymm7=XO=X(13579BDF********HJLNPRTV********) 357%else 358 vpxor ymm6, ymm6, ymm6 ; ymm6=XE=X(02468ACE********GIKMOQSU********) 359 vpxor ymm7, ymm7, ymm7 ; ymm7=XO=X(13579BDF********HJLNPRTV********) 360%endif 361 ; ymmA=(00 02 04 06 08 0A 0C 0E ** 0G 0I 0K 0M 0O 0Q 0S 0U **) 362 ; ymmB=(01 03 05 07 09 0B 0D 0F ** 0H 0J 0L 0N 0P 0R 0T 0V **) 363 ; ymmC=(10 12 14 16 18 1A 1C 1E ** 1G 1I 1K 1M 1O 1Q 1S 1U **) 364 ; ymmD=(11 13 15 17 19 1B 1D 1F ** 1H 1J 1L 1N 1P 1R 1T 1V **) 365 ; ymmE=(20 22 24 26 28 2A 2C 2E ** 2G 2I 2K 2M 2O 2Q 2S 2U **) 366 ; ymmF=(21 23 25 27 29 2B 2D 2F ** 2H 2J 2L 2N 2P 2R 2T 2V **) 367 ; ymmG=(30 32 34 36 38 3A 3C 3E ** 3G 3I 3K 3M 3O 3Q 3S 3U **) 368 ; ymmH=(31 33 35 37 39 3B 3D 3F ** 3H 3J 3L 3N 3P 3R 3T 3V **) 369 370 vpunpcklbw ymmA, ymmA, ymmC ; ymmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E 371 ; 0G 1G 0I 1I 0K 1K 0M 1M 0O 1O 0Q 1Q 0S 1S 0U 1U) 372 vpunpcklbw ymmE, ymmE, ymmG ; ymmE=(20 30 22 32 24 34 26 36 28 38 2A 3A 2C 3C 2E 3E 373 ; 2G 3G 2I 3I 2K 3K 2M 3M 2O 3O 2Q 3Q 2S 3S 2U 3U) 374 vpunpcklbw ymmB, ymmB, ymmD ; ymmB=(01 11 03 13 05 15 07 17 09 19 0B 1B 0D 1D 0F 1F 375 ; 0H 1H 0J 1J 0L 1L 0N 1N 0P 1P 0R 1R 0T 1T 0V 1V) 376 vpunpcklbw ymmF, ymmF, ymmH ; ymmF=(21 31 23 33 25 35 27 37 29 39 2B 3B 2D 3D 2F 3F 377 ; 2H 3H 2J 3J 2L 3L 2N 3N 2P 3P 2R 3R 2T 3T 2V 3V) 378 379 vpunpckhwd ymmC, ymmA, ymmE ; ymmC=(08 18 28 38 0A 1A 2A 3A 0C 1C 2C 3C 0E 1E 2E 3E 380 ; 0O 1O 2O 3O 0Q 1Q 2Q 3Q 0S 1S 2S 3S 0U 1U 2U 3U) 381 vpunpcklwd ymmA, ymmA, ymmE ; ymmA=(00 10 20 30 02 12 22 32 04 14 24 34 06 16 26 36 382 ; 0G 1G 2G 3G 0I 1I 2I 3I 0K 1K 2K 3K 0M 1M 2M 3M) 383 vpunpckhwd ymmG, ymmB, ymmF ; ymmG=(09 19 29 39 0B 1B 2B 3B 0D 1D 2D 3D 0F 1F 2F 3F 384 ; 0P 1P 2P 3P 0R 1R 2R 3R 0T 1T 2T 3T 0V 1V 2V 3V) 385 vpunpcklwd ymmB, ymmB, ymmF ; ymmB=(01 11 21 31 03 13 23 33 05 15 25 35 07 17 27 37 386 ; 0H 1H 2H 3H 0J 1J 2J 3J 0L 1L 2L 3L 0N 1N 2N 3N) 387 388 vpunpckhdq ymmE, ymmA, ymmB ; ymmE=(04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37 389 ; 0K 1K 2K 3K 0L 1L 2L 3L 0M 1M 2M 3M 0N 1N 2N 3N) 390 vpunpckldq ymmB, ymmA, ymmB ; ymmB=(00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33 391 ; 0G 1G 2G 3G 0H 1H 2H 3H 0I 1I 2I 3I 0J 1J 2J 3J) 392 vpunpckhdq ymmF, ymmC, ymmG ; ymmF=(0C 1C 2C 3C 0D 1D 2D 3D 0E 1E 2E 3E 0F 1F 2F 3F 393 ; 0S 1S 2S 3S 0T 1T 2T 3T 0U 1U 2U 3U 0V 1V 2V 3V) 394 vpunpckldq ymmG, ymmC, ymmG ; ymmG=(08 18 28 38 09 19 29 39 0A 1A 2A 3A 0B 1B 2B 3B 395 ; 0O 1O 2O 3O 0P 1P 2P 3P 0Q 1Q 2Q 3Q 0R 1R 2R 3R) 396 397 vperm2i128 ymmA, ymmB, ymmE, 0x20 ; ymmA=(00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33 398 ; 04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37) 399 vperm2i128 ymmD, ymmG, ymmF, 0x20 ; ymmD=(08 18 28 38 09 19 29 39 0A 1A 2A 3A 0B 1B 2B 3B 400 ; 0C 1C 2C 3C 0D 1D 2D 3D 0E 1E 2E 3E 0F 1F 2F 3F) 401 vperm2i128 ymmC, ymmB, ymmE, 0x31 ; ymmC=(0G 1G 2G 3G 0H 1H 2H 3H 0I 1I 2I 3I 0J 1J 2J 3J 402 ; 0K 1K 2K 3K 0L 1L 2L 3L 0M 1M 2M 3M 0N 1N 2N 3N) 403 vperm2i128 ymmH, ymmG, ymmF, 0x31 ; ymmH=(0O 1O 2O 3O 0P 1P 2P 3P 0Q 1Q 2Q 3Q 0R 1R 2R 3R 404 ; 0S 1S 2S 3S 0T 1T 2T 3T 0U 1U 2U 3U 0V 1V 2V 3V) 405 406 cmp rcx, byte SIZEOF_YMMWORD 407 jb short .column_st64 408 409 test rdi, SIZEOF_YMMWORD-1 410 jnz short .out1 411 ; --(aligned)------------------- 412 vmovntdq YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA 413 vmovntdq YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD 414 vmovntdq YMMWORD [rdi+2*SIZEOF_YMMWORD], ymmC 415 vmovntdq YMMWORD [rdi+3*SIZEOF_YMMWORD], ymmH 416 jmp short .out0 417.out1: ; --(unaligned)----------------- 418 vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA 419 vmovdqu YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD 420 vmovdqu YMMWORD [rdi+2*SIZEOF_YMMWORD], ymmC 421 vmovdqu YMMWORD [rdi+3*SIZEOF_YMMWORD], ymmH 422.out0: 423 add rdi, RGB_PIXELSIZE*SIZEOF_YMMWORD ; outptr 424 sub rcx, byte SIZEOF_YMMWORD 425 jz near .endcolumn 426 427 add rsi, byte SIZEOF_YMMWORD ; inptr0 428 dec al 429 jnz near .Yloop_2nd 430 431 add rbx, byte SIZEOF_YMMWORD ; inptr1 432 add rdx, byte SIZEOF_YMMWORD ; inptr2 433 jmp near .columnloop 434 435.column_st64: 436 cmp rcx, byte SIZEOF_YMMWORD/2 437 jb short .column_st32 438 vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA 439 vmovdqu YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD 440 add rdi, byte 2*SIZEOF_YMMWORD ; outptr 441 vmovdqa ymmA, ymmC 442 vmovdqa ymmD, ymmH 443 sub rcx, byte SIZEOF_YMMWORD/2 444.column_st32: 445 cmp rcx, byte SIZEOF_YMMWORD/4 446 jb short .column_st16 447 vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA 448 add rdi, byte SIZEOF_YMMWORD ; outptr 449 vmovdqa ymmA, ymmD 450 sub rcx, byte SIZEOF_YMMWORD/4 451.column_st16: 452 cmp rcx, byte SIZEOF_YMMWORD/8 453 jb short .column_st15 454 vmovdqu XMMWORD [rdi+0*SIZEOF_XMMWORD], xmmA 455 add rdi, byte SIZEOF_XMMWORD ; outptr 456 vperm2i128 ymmA, ymmA, ymmA, 1 457 sub rcx, byte SIZEOF_YMMWORD/8 458.column_st15: 459 ; Store two pixels (8 bytes) of ymmA to the output when it has enough 460 ; space. 461 cmp rcx, byte SIZEOF_YMMWORD/16 462 jb short .column_st7 463 vmovq MMWORD [rdi], xmmA 464 add rdi, byte SIZEOF_YMMWORD/16*4 465 sub rcx, byte SIZEOF_YMMWORD/16 466 vpsrldq xmmA, SIZEOF_YMMWORD/16*4 467.column_st7: 468 ; Store one pixel (4 bytes) of ymmA to the output when it has enough 469 ; space. 470 test rcx, rcx 471 jz short .endcolumn 472 vmovd XMM_DWORD [rdi], xmmA 473 474%endif ; RGB_PIXELSIZE ; --------------- 475 476.endcolumn: 477 sfence ; flush the write buffer 478 479.return: 480 pop rbx 481 vzeroupper 482 uncollect_args 4 483 mov rsp, rbp ; rsp <- aligned rbp 484 pop rsp ; rsp <- original rbp 485 pop rbp 486 ret 487 488; -------------------------------------------------------------------------- 489; 490; Upsample and color convert for the case of 2:1 horizontal and 2:1 vertical. 491; 492; GLOBAL(void) 493; jsimd_h2v2_merged_upsample_avx2(JDIMENSION output_width, 494; JSAMPIMAGE input_buf, 495; JDIMENSION in_row_group_ctr, 496; JSAMPARRAY output_buf); 497; 498 499; r10d = JDIMENSION output_width 500; r11 = JSAMPIMAGE input_buf 501; r12d = JDIMENSION in_row_group_ctr 502; r13 = JSAMPARRAY output_buf 503 504 align 32 505 GLOBAL_FUNCTION(jsimd_h2v2_merged_upsample_avx2) 506 507EXTN(jsimd_h2v2_merged_upsample_avx2): 508 push rbp 509 mov rax, rsp 510 mov rbp, rsp 511 collect_args 4 512 push rbx 513 514 mov eax, r10d 515 516 mov rdi, r11 517 mov ecx, r12d 518 mov rsip, JSAMPARRAY [rdi+0*SIZEOF_JSAMPARRAY] 519 mov rbxp, JSAMPARRAY [rdi+1*SIZEOF_JSAMPARRAY] 520 mov rdxp, JSAMPARRAY [rdi+2*SIZEOF_JSAMPARRAY] 521 mov rdi, r13 522 lea rsi, [rsi+rcx*SIZEOF_JSAMPROW] 523 524 sub rsp, SIZEOF_JSAMPARRAY*4 525 mov JSAMPARRAY [rsp+0*SIZEOF_JSAMPARRAY], rsip ; intpr00 526 mov JSAMPARRAY [rsp+1*SIZEOF_JSAMPARRAY], rbxp ; intpr1 527 mov JSAMPARRAY [rsp+2*SIZEOF_JSAMPARRAY], rdxp ; intpr2 528 mov rbx, rsp 529 530 push rdi 531 push rcx 532 push rax 533 534 %ifdef WIN64 535 mov r8, rcx 536 mov r9, rdi 537 mov rcx, rax 538 mov rdx, rbx 539 %else 540 mov rdx, rcx 541 mov rcx, rdi 542 mov rdi, rax 543 mov rsi, rbx 544 %endif 545 546 call EXTN(jsimd_h2v1_merged_upsample_avx2) 547 548 pop rax 549 pop rcx 550 pop rdi 551 mov rsip, JSAMPARRAY [rsp+0*SIZEOF_JSAMPARRAY] 552 mov rbxp, JSAMPARRAY [rsp+1*SIZEOF_JSAMPARRAY] 553 mov rdxp, JSAMPARRAY [rsp+2*SIZEOF_JSAMPARRAY] 554 555 add rdi, byte SIZEOF_JSAMPROW ; outptr1 556 add rsi, byte SIZEOF_JSAMPROW ; inptr01 557 558 mov JSAMPARRAY [rsp+0*SIZEOF_JSAMPARRAY], rsip ; intpr00 559 mov JSAMPARRAY [rsp+1*SIZEOF_JSAMPARRAY], rbxp ; intpr1 560 mov JSAMPARRAY [rsp+2*SIZEOF_JSAMPARRAY], rdxp ; intpr2 561 mov rbx, rsp 562 563 push rdi 564 push rcx 565 push rax 566 567 %ifdef WIN64 568 mov r8, rcx 569 mov r9, rdi 570 mov rcx, rax 571 mov rdx, rbx 572 %else 573 mov rdx, rcx 574 mov rcx, rdi 575 mov rdi, rax 576 mov rsi, rbx 577 %endif 578 579 call EXTN(jsimd_h2v1_merged_upsample_avx2) 580 581 pop rax 582 pop rcx 583 pop rdi 584 mov rsip, JSAMPARRAY [rsp+0*SIZEOF_JSAMPARRAY] 585 mov rbxp, JSAMPARRAY [rsp+1*SIZEOF_JSAMPARRAY] 586 mov rdxp, JSAMPARRAY [rsp+2*SIZEOF_JSAMPARRAY] 587 add rsp, SIZEOF_JSAMPARRAY*4 588 589 pop rbx 590 uncollect_args 4 591 pop rbp 592 ret 593 594; For some reason, the OS X linker does not honor the request to align the 595; segment unless we do this. 596 align 32 597