You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
439 lines
19 KiB
439 lines
19 KiB
;
|
|
; jcgryext.asm - grayscale colorspace conversion (64-bit AVX2)
|
|
;
|
|
; Copyright (C) 2011, 2016, D. R. Commander.
|
|
; Copyright (C) 2015, Intel Corporation.
|
|
; Copyright (C) 2018, Matthias Räncker.
|
|
;
|
|
; Based on the x86 SIMD extension for IJG JPEG library
|
|
; Copyright (C) 1999-2006, MIYASAKA Masaru.
|
|
; For conditions of distribution and use, see copyright notice in jsimdext.inc
|
|
;
|
|
; This file should be assembled with NASM (Netwide Assembler),
|
|
; can *not* be assembled with Microsoft's MASM or any compatible
|
|
; assembler (including Borland's Turbo Assembler).
|
|
; NASM is available from http://nasm.sourceforge.net/ or
|
|
; http://sourceforge.net/project/showfiles.php?group_id=6208
|
|
|
|
%include "jcolsamp.inc"
|
|
|
|
; --------------------------------------------------------------------------
|
|
;
|
|
; Convert some rows of samples to the output colorspace.
|
|
;
|
|
; GLOBAL(void)
|
|
; jsimd_rgb_gray_convert_avx2(JDIMENSION img_width, JSAMPARRAY input_buf,
|
|
; JSAMPIMAGE output_buf, JDIMENSION output_row,
|
|
; int num_rows);
|
|
;
|
|
|
|
; r10d = JDIMENSION img_width
|
|
; r11 = JSAMPARRAY input_buf
|
|
; r12 = JSAMPIMAGE output_buf
|
|
; r13d = JDIMENSION output_row
|
|
; r14d = int num_rows
|
|
|
|
%define wk(i) rbp - (WK_NUM - (i)) * SIZEOF_YMMWORD ; ymmword wk[WK_NUM]
|
|
%define WK_NUM 2
|
|
|
|
align 32
|
|
GLOBAL_FUNCTION(jsimd_rgb_gray_convert_avx2)
|
|
|
|
EXTN(jsimd_rgb_gray_convert_avx2):
|
|
push rbp
|
|
mov rax, rsp ; rax = original rbp
|
|
sub rsp, byte 4
|
|
and rsp, byte (-SIZEOF_YMMWORD) ; align to 256 bits
|
|
mov [rsp], rax
|
|
mov rbp, rsp ; rbp = aligned rbp
|
|
lea rsp, [wk(0)]
|
|
collect_args 5
|
|
push rbx
|
|
|
|
mov ecx, r10d
|
|
test rcx, rcx
|
|
jz near .return
|
|
|
|
push rcx
|
|
|
|
mov rsi, r12
|
|
mov ecx, r13d
|
|
mov rdip, JSAMPARRAY [rsi+0*SIZEOF_JSAMPARRAY]
|
|
lea rdi, [rdi+rcx*SIZEOF_JSAMPROW]
|
|
|
|
pop rcx
|
|
|
|
mov rsi, r11
|
|
mov eax, r14d
|
|
test rax, rax
|
|
jle near .return
|
|
.rowloop:
|
|
push rdi
|
|
push rsi
|
|
push rcx ; col
|
|
|
|
mov rsip, JSAMPROW [rsi] ; inptr
|
|
mov rdip, JSAMPROW [rdi] ; outptr0
|
|
|
|
cmp rcx, byte SIZEOF_YMMWORD
|
|
jae near .columnloop
|
|
|
|
%if RGB_PIXELSIZE == 3 ; ---------------
|
|
|
|
.column_ld1:
|
|
push rax
|
|
push rdx
|
|
lea rcx, [rcx+rcx*2] ; imul ecx,RGB_PIXELSIZE
|
|
test cl, SIZEOF_BYTE
|
|
jz short .column_ld2
|
|
sub rcx, byte SIZEOF_BYTE
|
|
movzx rax, byte [rsi+rcx]
|
|
.column_ld2:
|
|
test cl, SIZEOF_WORD
|
|
jz short .column_ld4
|
|
sub rcx, byte SIZEOF_WORD
|
|
movzx rdx, word [rsi+rcx]
|
|
shl rax, WORD_BIT
|
|
or rax, rdx
|
|
.column_ld4:
|
|
vmovd xmmA, eax
|
|
pop rdx
|
|
pop rax
|
|
test cl, SIZEOF_DWORD
|
|
jz short .column_ld8
|
|
sub rcx, byte SIZEOF_DWORD
|
|
vmovd xmmF, XMM_DWORD [rsi+rcx]
|
|
vpslldq xmmA, xmmA, SIZEOF_DWORD
|
|
vpor xmmA, xmmA, xmmF
|
|
.column_ld8:
|
|
test cl, SIZEOF_MMWORD
|
|
jz short .column_ld16
|
|
sub rcx, byte SIZEOF_MMWORD
|
|
vmovq xmmB, XMM_MMWORD [rsi+rcx]
|
|
vpslldq xmmA, xmmA, SIZEOF_MMWORD
|
|
vpor xmmA, xmmA, xmmB
|
|
.column_ld16:
|
|
test cl, SIZEOF_XMMWORD
|
|
jz short .column_ld32
|
|
sub rcx, byte SIZEOF_XMMWORD
|
|
vmovdqu xmmB, XMM_MMWORD [rsi+rcx]
|
|
vperm2i128 ymmA, ymmA, ymmA, 1
|
|
vpor ymmA, ymmB
|
|
.column_ld32:
|
|
test cl, SIZEOF_YMMWORD
|
|
jz short .column_ld64
|
|
sub rcx, byte SIZEOF_YMMWORD
|
|
vmovdqa ymmF, ymmA
|
|
vmovdqu ymmA, YMMWORD [rsi+0*SIZEOF_YMMWORD]
|
|
.column_ld64:
|
|
test cl, 2*SIZEOF_YMMWORD
|
|
mov rcx, SIZEOF_YMMWORD
|
|
jz short .rgb_gray_cnv
|
|
vmovdqa ymmB, ymmA
|
|
vmovdqu ymmA, YMMWORD [rsi+0*SIZEOF_YMMWORD]
|
|
vmovdqu ymmF, YMMWORD [rsi+1*SIZEOF_YMMWORD]
|
|
jmp short .rgb_gray_cnv
|
|
|
|
.columnloop:
|
|
vmovdqu ymmA, YMMWORD [rsi+0*SIZEOF_YMMWORD]
|
|
vmovdqu ymmF, YMMWORD [rsi+1*SIZEOF_YMMWORD]
|
|
vmovdqu ymmB, YMMWORD [rsi+2*SIZEOF_YMMWORD]
|
|
|
|
.rgb_gray_cnv:
|
|
; ymmA=(00 10 20 01 11 21 02 12 22 03 13 23 04 14 24 05
|
|
; 15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A)
|
|
; ymmF=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0F 1F 2F
|
|
; 0G 1G 2G 0H 1H 2H 0I 1I 2I 0J 1J 2J 0K 1K 2K 0L)
|
|
; ymmB=(1L 2L 0M 1M 2M 0N 1N 2N 0O 1O 2O 0P 1P 2P 0Q 1Q
|
|
; 2Q 0R 1R 2R 0S 1S 2S 0T 1T 2T 0U 1U 2U 0V 1V 2V)
|
|
|
|
vmovdqu ymmC, ymmA
|
|
vinserti128 ymmA, ymmF, xmmA, 0 ; ymmA=(00 10 20 01 11 21 02 12 22 03 13 23 04 14 24 05
|
|
; 0G 1G 2G 0H 1H 2H 0I 1I 2I 0J 1J 2J 0K 1K 2K 0L)
|
|
vinserti128 ymmC, ymmC, xmmB, 0 ; ymmC=(1L 2L 0M 1M 2M 0N 1N 2N 0O 1O 2O 0P 1P 2P 0Q 1Q
|
|
; 15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A)
|
|
vinserti128 ymmB, ymmB, xmmF, 0 ; ymmB=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0F 1F 2F
|
|
; 2Q 0R 1R 2R 0S 1S 2S 0T 1T 2T 0U 1U 2U 0V 1V 2V)
|
|
vperm2i128 ymmF, ymmC, ymmC, 1 ; ymmF=(15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A
|
|
; 1L 2L 0M 1M 2M 0N 1N 2N 0O 1O 2O 0P 1P 2P 0Q 1Q)
|
|
|
|
vmovdqa ymmG, ymmA
|
|
vpslldq ymmA, ymmA, 8 ; ymmA=(-- -- -- -- -- -- -- -- 00 10 20 01 11 21 02 12
|
|
; 22 03 13 23 04 14 24 05 0G 1G 2G 0H 1H 2H 0I 1I)
|
|
vpsrldq ymmG, ymmG, 8 ; ymmG=(22 03 13 23 04 14 24 05 0G 1G 2G 0H 1H 2H 0I 1I
|
|
; 2I 0J 1J 2J 0K 1K 2K 0L -- -- -- -- -- -- -- --)
|
|
|
|
vpunpckhbw ymmA, ymmA, ymmF ; ymmA=(00 08 10 18 20 28 01 09 11 19 21 29 02 0A 12 1A
|
|
; 0G 0O 1G 1O 2G 2O 0H 0P 1H 1P 2H 2P 0I 0Q 1I 1Q)
|
|
vpslldq ymmF, ymmF, 8 ; ymmF=(-- -- -- -- -- -- -- -- 15 25 06 16 26 07 17 27
|
|
; 08 18 28 09 19 29 0A 1A 1L 2L 0M 1M 2M 0N 1N 2N)
|
|
|
|
vpunpcklbw ymmG, ymmG, ymmB ; ymmG=(22 2A 03 0B 13 1B 23 2B 04 0C 14 1C 24 2C 05 0D
|
|
; 2I 2Q 0J 0R 1J 1R 2J 2R 0K 0S 1K 1S 2K 2S 0L 0T)
|
|
vpunpckhbw ymmF, ymmF, ymmB ; ymmF=(15 1D 25 2D 06 0E 16 1E 26 2E 07 0F 17 1F 27 2F
|
|
; 1L 1T 2L 2T 0M 0U 1M 1U 2M 2U 0N 0V 1N 1V 2N 2V)
|
|
|
|
vmovdqa ymmD, ymmA
|
|
vpslldq ymmA, ymmA, 8 ; ymmA=(-- -- -- -- -- -- -- -- 00 08 10 18 20 28 01 09
|
|
; 11 19 21 29 02 0A 12 1A 0G 0O 1G 1O 2G 2O 0H 0P)
|
|
vpsrldq ymmD, ymmD, 8 ; ymmD=(11 19 21 29 02 0A 12 1A 0G 0O 1G 1O 2G 2O 0H 0P
|
|
; 1H 1P 2H 2P 0I 0Q 1I 1Q -- -- -- -- -- -- -- --)
|
|
|
|
vpunpckhbw ymmA, ymmA, ymmG ; ymmA=(00 04 08 0C 10 14 18 1C 20 24 28 2C 01 05 09 0D
|
|
; 0G 0K 0O 0S 1G 1K 1O 1S 2G 2K 2O 2S 0H 0L 0P 0T)
|
|
vpslldq ymmG, ymmG, 8 ; ymmG=(-- -- -- -- -- -- -- -- 22 2A 03 0B 13 1B 23 2B
|
|
; 04 0C 14 1C 24 2C 05 0D 2I 2Q 0J 0R 1J 1R 2J 2R)
|
|
|
|
vpunpcklbw ymmD, ymmD, ymmF ; ymmD=(11 15 19 1D 21 25 29 2D 02 06 0A 0E 12 16 1A 1E
|
|
; 1H 1L 1P 1T 2H 2L 2P 2T 0I 0M 0Q 0U 1I 1M 1Q 1U)
|
|
vpunpckhbw ymmG, ymmG, ymmF ; ymmG=(22 26 2A 2E 03 07 0B 0F 13 17 1B 1F 23 27 2B 2F
|
|
; 2I 2M 2Q 2U 0J 0N 0R 0V 1J 1N 1R 1V 2J 2N 2R 2V)
|
|
|
|
vmovdqa ymmE, ymmA
|
|
vpslldq ymmA, ymmA, 8 ; ymmA=(-- -- -- -- -- -- -- -- 00 04 08 0C 10 14 18 1C
|
|
; 20 24 28 2C 01 05 09 0D 0G 0K 0O 0S 1G 1K 1O 1S)
|
|
vpsrldq ymmE, ymmE, 8 ; ymmE=(20 24 28 2C 01 05 09 0D 0G 0K 0O 0S 1G 1K 1O 1S
|
|
; 2G 2K 2O 2S 0H 0L 0P 0T -- -- -- -- -- -- -- --)
|
|
|
|
vpunpckhbw ymmA, ymmA, ymmD ; ymmA=(00 02 04 06 08 0A 0C 0E 10 12 14 16 18 1A 1C 1E
|
|
; 0G 0I 0K 0M 0O 0Q 0S 0U 1G 1I 1K 1M 1O 1Q 1S 1U)
|
|
vpslldq ymmD, ymmD, 8 ; ymmD=(-- -- -- -- -- -- -- -- 11 15 19 1D 21 25 29 2D
|
|
; 02 06 0A 0E 12 16 1A 1E 1H 1L 1P 1T 2H 2L 2P 2T)
|
|
|
|
vpunpcklbw ymmE, ymmE, ymmG ; ymmE=(20 22 24 26 28 2A 2C 2E 01 03 05 07 09 0B 0D 0F
|
|
; 2G 2I 2K 2M 2O 2Q 2S 2U 0H 0J 0L 0N 0P 0R 0T 0V)
|
|
vpunpckhbw ymmD, ymmD, ymmG ; ymmD=(11 13 15 17 19 1B 1D 1F 21 23 25 27 29 2B 2D 2F
|
|
; 1H 1J 1L 1N 1P 1R 1T 1V 2H 2J 2L 2N 2P 2R 2T 2V)
|
|
|
|
vpxor ymmH, ymmH, ymmH
|
|
|
|
vmovdqa ymmC, ymmA
|
|
vpunpcklbw ymmA, ymmA, ymmH ; ymmA=(00 02 04 06 08 0A 0C 0E 0G 0I 0K 0M 0O 0Q 0S 0U)
|
|
vpunpckhbw ymmC, ymmC, ymmH ; ymmC=(10 12 14 16 18 1A 1C 1E 1G 1I 1K 1M 1O 1Q 1S 1U)
|
|
|
|
vmovdqa ymmB, ymmE
|
|
vpunpcklbw ymmE, ymmE, ymmH ; ymmE=(20 22 24 26 28 2A 2C 2E 2G 2I 2K 2M 2O 2Q 2S 2U)
|
|
vpunpckhbw ymmB, ymmB, ymmH ; ymmB=(01 03 05 07 09 0B 0D 0F 0H 0J 0L 0N 0P 0R 0T 0V)
|
|
|
|
vmovdqa ymmF, ymmD
|
|
vpunpcklbw ymmD, ymmD, ymmH ; ymmD=(11 13 15 17 19 1B 1D 1F 1H 1J 1L 1N 1P 1R 1T 1V)
|
|
vpunpckhbw ymmF, ymmF, ymmH ; ymmF=(21 23 25 27 29 2B 2D 2F 2H 2J 2L 2N 2P 2R 2T 2V)
|
|
|
|
%else ; RGB_PIXELSIZE == 4 ; -----------
|
|
|
|
.column_ld1:
|
|
test cl, SIZEOF_XMMWORD/16
|
|
jz short .column_ld2
|
|
sub rcx, byte SIZEOF_XMMWORD/16
|
|
vmovd xmmA, XMM_DWORD [rsi+rcx*RGB_PIXELSIZE]
|
|
.column_ld2:
|
|
test cl, SIZEOF_XMMWORD/8
|
|
jz short .column_ld4
|
|
sub rcx, byte SIZEOF_XMMWORD/8
|
|
vmovq xmmF, XMM_MMWORD [rsi+rcx*RGB_PIXELSIZE]
|
|
vpslldq xmmA, xmmA, SIZEOF_MMWORD
|
|
vpor xmmA, xmmA, xmmF
|
|
.column_ld4:
|
|
test cl, SIZEOF_XMMWORD/4
|
|
jz short .column_ld8
|
|
sub rcx, byte SIZEOF_XMMWORD/4
|
|
vmovdqa xmmF, xmmA
|
|
vperm2i128 ymmF, ymmF, ymmF, 1
|
|
vmovdqu xmmA, XMMWORD [rsi+rcx*RGB_PIXELSIZE]
|
|
vpor ymmA, ymmA, ymmF
|
|
.column_ld8:
|
|
test cl, SIZEOF_XMMWORD/2
|
|
jz short .column_ld16
|
|
sub rcx, byte SIZEOF_XMMWORD/2
|
|
vmovdqa ymmF, ymmA
|
|
vmovdqu ymmA, YMMWORD [rsi+rcx*RGB_PIXELSIZE]
|
|
.column_ld16:
|
|
test cl, SIZEOF_XMMWORD
|
|
mov rcx, SIZEOF_YMMWORD
|
|
jz short .rgb_gray_cnv
|
|
vmovdqa ymmE, ymmA
|
|
vmovdqa ymmH, ymmF
|
|
vmovdqu ymmA, YMMWORD [rsi+0*SIZEOF_YMMWORD]
|
|
vmovdqu ymmF, YMMWORD [rsi+1*SIZEOF_YMMWORD]
|
|
jmp short .rgb_gray_cnv
|
|
|
|
.columnloop:
|
|
vmovdqu ymmA, YMMWORD [rsi+0*SIZEOF_YMMWORD]
|
|
vmovdqu ymmF, YMMWORD [rsi+1*SIZEOF_YMMWORD]
|
|
vmovdqu ymmE, YMMWORD [rsi+2*SIZEOF_YMMWORD]
|
|
vmovdqu ymmH, YMMWORD [rsi+3*SIZEOF_YMMWORD]
|
|
|
|
.rgb_gray_cnv:
|
|
; ymmA=(00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33
|
|
; 04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37)
|
|
; ymmF=(08 18 28 38 09 19 29 39 0A 1A 2A 3A 0B 1B 2B 3B
|
|
; 0C 1C 2C 3C 0D 1D 2D 3D 0E 1E 2E 3E 0F 1F 2F 3F)
|
|
; ymmE=(0G 1G 2G 3G 0H 1H 2H 3H 0I 1I 2I 3I 0J 1J 2J 3J
|
|
; 0K 1K 2K 3K 0L 1L 2L 3L 0M 1M 2M 3M 0N 1N 2N 3N)
|
|
; ymmH=(0O 1O 2O 3O 0P 1P 2P 3P 0Q 1Q 2Q 3Q 0R 1R 2R 3R
|
|
; 0S 1S 2S 3S 0T 1T 2T 3T 0U 1U 2U 3U 0V 1V 2V 3V)
|
|
|
|
vmovdqa ymmB, ymmA
|
|
vinserti128 ymmA, ymmA, xmmE, 1 ; ymmA=(00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33
|
|
; 0G 1G 2G 3G 0H 1H 2H 3H 0I 1I 2I 3I 0J 1J 2J 3J)
|
|
vperm2i128 ymmE, ymmB, ymmE, 0x31 ; ymmE=(04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37
|
|
; 0K 1K 2K 3K 0L 1L 2L 3L 0M 1M 2M 3M 0N 1N 2N 3N)
|
|
|
|
vmovdqa ymmB, ymmF
|
|
vinserti128 ymmF, ymmF, xmmH, 1 ; ymmF=(08 18 28 38 09 19 29 39 0A 1A 2A 3A 0B 1B 2B 3B
|
|
; 0O 1O 2O 3O 0P 1P 2P 3P 0Q 1Q 2Q 3Q 0R 1R 2R 3R)
|
|
vperm2i128 ymmH, ymmB, ymmH, 0x31 ; ymmH=(0C 1C 2C 3C 0D 1D 2D 3D 0E 1E 2E 3E 0F 1F 2F 3F
|
|
; 0S 1S 2S 3S 0T 1T 2T 3T 0U 1U 2U 3U 0V 1V 2V 3V)
|
|
|
|
vmovdqa ymmD, ymmA
|
|
vpunpcklbw ymmA, ymmA, ymmE ; ymmA=(00 04 10 14 20 24 30 34 01 05 11 15 21 25 31 35
|
|
; 0G 0K 1G 1K 2G 2K 3G 3K 0H 0L 1H 1L 2H 2L 3H 3L)
|
|
vpunpckhbw ymmD, ymmD, ymmE ; ymmD=(02 06 12 16 22 26 32 36 03 07 13 17 23 27 33 37
|
|
; 0I 0M 1I 1M 2I 2M 3I 3M 0J 0N 1J 1N 2J 2N 3J 3N)
|
|
|
|
vmovdqa ymmC, ymmF
|
|
vpunpcklbw ymmF, ymmF, ymmH ; ymmF=(08 0C 18 1C 28 2C 38 3C 09 0D 19 1D 29 2D 39 3D
|
|
; 0O 0S 1O 1S 2O 2S 3O 3S 0P 0T 1P 1T 2P 2T 3P 3T)
|
|
vpunpckhbw ymmC, ymmC, ymmH ; ymmC=(0A 0E 1A 1E 2A 2E 3A 3E 0B 0F 1B 1F 2B 2F 3B 3F
|
|
; 0Q 0U 1Q 1U 2Q 2U 3Q 3U 0R 0V 1R 1V 2R 2V 3R 3V)
|
|
|
|
vmovdqa ymmB, ymmA
|
|
vpunpcklwd ymmA, ymmA, ymmF ; ymmA=(00 04 08 0C 10 14 18 1C 20 24 28 2C 30 34 38 3C
|
|
; 0G 0K 0O 0S 1G 1K 1O 1S 2G 2K 2O 2S 3G 3K 3O 3S)
|
|
vpunpckhwd ymmB, ymmB, ymmF ; ymmB=(01 05 09 0D 11 15 19 1D 21 25 29 2D 31 35 39 3D
|
|
; 0H 0L 0P 0T 1H 1L 1P 1T 2H 2L 2P 2T 3H 3L 3P 3T)
|
|
|
|
vmovdqa ymmG, ymmD
|
|
vpunpcklwd ymmD, ymmD, ymmC ; ymmD=(02 06 0A 0E 12 16 1A 1E 22 26 2A 2E 32 36 3A 3E
|
|
; 0I 0M 0Q 0U 1I 1M 1Q 1U 2I 2M 2Q 2U 3I 3M 3Q 3U)
|
|
vpunpckhwd ymmG, ymmG, ymmC ; ymmG=(03 07 0B 0F 13 17 1B 1F 23 27 2B 2F 33 37 3B 3F
|
|
; 0J 0N 0R 0V 1J 1N 1R 1V 2J 2N 2R 2V 3J 3N 3R 3V)
|
|
|
|
vmovdqa ymmE, ymmA
|
|
vpunpcklbw ymmA, ymmA, ymmD ; ymmA=(00 02 04 06 08 0A 0C 0E 10 12 14 16 18 1A 1C 1E
|
|
; 0G 0I 0K 0M 0O 0Q 0S 0U 1G 1I 1K 1M 1O 1Q 1S 1U)
|
|
vpunpckhbw ymmE, ymmE, ymmD ; ymmE=(20 22 24 26 28 2A 2C 2E 30 32 34 36 38 3A 3C 3E
|
|
; 2G 2I 2K 2M 2O 2Q 2S 2U 3G 3I 3K 3M 3O 3Q 3S 3U)
|
|
|
|
vmovdqa ymmH, ymmB
|
|
vpunpcklbw ymmB, ymmB, ymmG ; ymmB=(01 03 05 07 09 0B 0D 0F 11 13 15 17 19 1B 1D 1F
|
|
; 0H 0J 0L 0N 0P 0R 0T 0V 1H 1J 1L 1N 1P 1R 1T 1V)
|
|
vpunpckhbw ymmH, ymmH, ymmG ; ymmH=(21 23 25 27 29 2B 2D 2F 31 33 35 37 39 3B 3D 3F
|
|
; 2H 2J 2L 2N 2P 2R 2T 2V 3H 3J 3L 3N 3P 3R 3T 3V)
|
|
|
|
vpxor ymmF, ymmF, ymmF
|
|
|
|
vmovdqa ymmC, ymmA
|
|
vpunpcklbw ymmA, ymmA, ymmF ; ymmA=(00 02 04 06 08 0A 0C 0E 0G 0I 0K 0M 0O 0Q 0S 0U)
|
|
vpunpckhbw ymmC, ymmC, ymmF ; ymmC=(10 12 14 16 18 1A 1C 1E 1G 1I 1K 1M 1O 1Q 1S 1U)
|
|
|
|
vmovdqa ymmD, ymmB
|
|
vpunpcklbw ymmB, ymmB, ymmF ; ymmB=(01 03 05 07 09 0B 0D 0F 0H 0J 0L 0N 0P 0R 0T 0V)
|
|
vpunpckhbw ymmD, ymmD, ymmF ; ymmD=(11 13 15 17 19 1B 1D 1F 1H 1J 1L 1N 1P 1R 1T 1V)
|
|
|
|
vmovdqa ymmG, ymmE
|
|
vpunpcklbw ymmE, ymmE, ymmF ; ymmE=(20 22 24 26 28 2A 2C 2E 2G 2I 2K 2M 2O 2Q 2S 2U)
|
|
vpunpckhbw ymmG, ymmG, ymmF ; ymmG=(30 32 34 36 38 3A 3C 3E 3G 3I 3K 3M 3O 3Q 3S 3U)
|
|
|
|
vpunpcklbw ymmF, ymmF, ymmH
|
|
vpunpckhbw ymmH, ymmH, ymmH
|
|
vpsrlw ymmF, ymmF, BYTE_BIT ; ymmF=(21 23 25 27 29 2B 2D 2F 2H 2J 2L 2N 2P 2R 2T 2V)
|
|
vpsrlw ymmH, ymmH, BYTE_BIT ; ymmH=(31 33 35 37 39 3B 3D 3F 3H 3J 3L 3N 3P 3R 3T 3V)
|
|
|
|
%endif ; RGB_PIXELSIZE ; ---------------
|
|
|
|
; ymm0=R(02468ACEGIKMOQSU)=RE, ymm2=G(02468ACEGIKMOQSU)=GE, ymm4=B(02468ACEGIKMOQSU)=BE
|
|
; ymm1=R(13579BDFHJLNPRTV)=RO, ymm3=G(13579BDFHJLNPRTV)=GO, ymm5=B(13579BDFHJLNPRTV)=BO
|
|
|
|
; (Original)
|
|
; Y = 0.29900 * R + 0.58700 * G + 0.11400 * B
|
|
;
|
|
; (This implementation)
|
|
; Y = 0.29900 * R + 0.33700 * G + 0.11400 * B + 0.25000 * G
|
|
|
|
vmovdqa ymm6, ymm1
|
|
vpunpcklwd ymm1, ymm1, ymm3
|
|
vpunpckhwd ymm6, ymm6, ymm3
|
|
vpmaddwd ymm1, ymm1, [rel PW_F0299_F0337] ; ymm1=ROL*FIX(0.299)+GOL*FIX(0.337)
|
|
vpmaddwd ymm6, ymm6, [rel PW_F0299_F0337] ; ymm6=ROH*FIX(0.299)+GOH*FIX(0.337)
|
|
|
|
vmovdqa ymm7, ymm6 ; ymm7=ROH*FIX(0.299)+GOH*FIX(0.337)
|
|
|
|
vmovdqa ymm6, ymm0
|
|
vpunpcklwd ymm0, ymm0, ymm2
|
|
vpunpckhwd ymm6, ymm6, ymm2
|
|
vpmaddwd ymm0, ymm0, [rel PW_F0299_F0337] ; ymm0=REL*FIX(0.299)+GEL*FIX(0.337)
|
|
vpmaddwd ymm6, ymm6, [rel PW_F0299_F0337] ; ymm6=REH*FIX(0.299)+GEH*FIX(0.337)
|
|
|
|
vmovdqa YMMWORD [wk(0)], ymm0 ; wk(0)=REL*FIX(0.299)+GEL*FIX(0.337)
|
|
vmovdqa YMMWORD [wk(1)], ymm6 ; wk(1)=REH*FIX(0.299)+GEH*FIX(0.337)
|
|
|
|
vmovdqa ymm0, ymm5 ; ymm0=BO
|
|
vmovdqa ymm6, ymm4 ; ymm6=BE
|
|
|
|
vmovdqa ymm4, ymm0
|
|
vpunpcklwd ymm0, ymm0, ymm3
|
|
vpunpckhwd ymm4, ymm4, ymm3
|
|
vpmaddwd ymm0, ymm0, [rel PW_F0114_F0250] ; ymm0=BOL*FIX(0.114)+GOL*FIX(0.250)
|
|
vpmaddwd ymm4, ymm4, [rel PW_F0114_F0250] ; ymm4=BOH*FIX(0.114)+GOH*FIX(0.250)
|
|
|
|
vmovdqa ymm3, [rel PD_ONEHALF] ; ymm3=[PD_ONEHALF]
|
|
|
|
vpaddd ymm0, ymm0, ymm1
|
|
vpaddd ymm4, ymm4, ymm7
|
|
vpaddd ymm0, ymm0, ymm3
|
|
vpaddd ymm4, ymm4, ymm3
|
|
vpsrld ymm0, ymm0, SCALEBITS ; ymm0=YOL
|
|
vpsrld ymm4, ymm4, SCALEBITS ; ymm4=YOH
|
|
vpackssdw ymm0, ymm0, ymm4 ; ymm0=YO
|
|
|
|
vmovdqa ymm4, ymm6
|
|
vpunpcklwd ymm6, ymm6, ymm2
|
|
vpunpckhwd ymm4, ymm4, ymm2
|
|
vpmaddwd ymm6, ymm6, [rel PW_F0114_F0250] ; ymm6=BEL*FIX(0.114)+GEL*FIX(0.250)
|
|
vpmaddwd ymm4, ymm4, [rel PW_F0114_F0250] ; ymm4=BEH*FIX(0.114)+GEH*FIX(0.250)
|
|
|
|
vmovdqa ymm2, [rel PD_ONEHALF] ; ymm2=[PD_ONEHALF]
|
|
|
|
vpaddd ymm6, ymm6, YMMWORD [wk(0)]
|
|
vpaddd ymm4, ymm4, YMMWORD [wk(1)]
|
|
vpaddd ymm6, ymm6, ymm2
|
|
vpaddd ymm4, ymm4, ymm2
|
|
vpsrld ymm6, ymm6, SCALEBITS ; ymm6=YEL
|
|
vpsrld ymm4, ymm4, SCALEBITS ; ymm4=YEH
|
|
vpackssdw ymm6, ymm6, ymm4 ; ymm6=YE
|
|
|
|
vpsllw ymm0, ymm0, BYTE_BIT
|
|
vpor ymm6, ymm6, ymm0 ; ymm6=Y
|
|
vmovdqu YMMWORD [rdi], ymm6 ; Save Y
|
|
|
|
sub rcx, byte SIZEOF_YMMWORD
|
|
add rsi, RGB_PIXELSIZE*SIZEOF_YMMWORD ; inptr
|
|
add rdi, byte SIZEOF_YMMWORD ; outptr0
|
|
cmp rcx, byte SIZEOF_YMMWORD
|
|
jae near .columnloop
|
|
test rcx, rcx
|
|
jnz near .column_ld1
|
|
|
|
pop rcx ; col
|
|
pop rsi
|
|
pop rdi
|
|
|
|
add rsi, byte SIZEOF_JSAMPROW ; input_buf
|
|
add rdi, byte SIZEOF_JSAMPROW
|
|
dec rax ; num_rows
|
|
jg near .rowloop
|
|
|
|
.return:
|
|
pop rbx
|
|
vzeroupper
|
|
uncollect_args 5
|
|
mov rsp, rbp ; rsp <- aligned rbp
|
|
pop rsp ; rsp <- original rbp
|
|
pop rbp
|
|
ret
|
|
|
|
; For some reason, the OS X linker does not honor the request to align the
|
|
; segment unless we do this.
|
|
align 32
|