496 lines
23 KiB
NASM
496 lines
23 KiB
NASM
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; jdcolext.asm - colorspace conversion (64-bit AVX2)
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;
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; Copyright 2009, 2012 Pierre Ossman <ossman@cendio.se> for Cendio AB
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; Copyright (C) 2009, 2012, 2016, D. R. Commander.
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; Copyright (C) 2015, Intel Corporation.
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;
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; Based on the x86 SIMD extension for IJG JPEG library
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; Copyright (C) 1999-2006, MIYASAKA Masaru.
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; For conditions of distribution and use, see copyright notice in jsimdext.inc
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;
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; This file should be assembled with NASM (Netwide Assembler),
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; can *not* be assembled with Microsoft's MASM or any compatible
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; assembler (including Borland's Turbo Assembler).
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; NASM is available from http://nasm.sourceforge.net/ or
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; http://sourceforge.net/project/showfiles.php?group_id=6208
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%include "jcolsamp.inc"
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; --------------------------------------------------------------------------
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;
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; Convert some rows of samples to the output colorspace.
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;
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; GLOBAL(void)
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; jsimd_ycc_rgb_convert_avx2(JDIMENSION out_width, JSAMPIMAGE input_buf,
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; JDIMENSION input_row, JSAMPARRAY output_buf,
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; int num_rows)
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;
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; r10d = JDIMENSION out_width
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; r11 = JSAMPIMAGE input_buf
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; r12d = JDIMENSION input_row
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; r13 = JSAMPARRAY output_buf
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; r14d = int num_rows
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%define wk(i) rbp - (WK_NUM - (i)) * SIZEOF_YMMWORD ; ymmword wk[WK_NUM]
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%define WK_NUM 2
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align 32
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GLOBAL_FUNCTION(jsimd_ycc_rgb_convert_avx2)
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EXTN(jsimd_ycc_rgb_convert_avx2):
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push rbp
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mov rax, rsp ; rax = original rbp
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sub rsp, byte 4
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and rsp, byte (-SIZEOF_YMMWORD) ; align to 256 bits
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mov [rsp], rax
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mov rbp, rsp ; rbp = aligned rbp
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lea rsp, [wk(0)]
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collect_args 5
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push rbx
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mov ecx, r10d ; num_cols
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test rcx, rcx
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jz near .return
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push rcx
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mov rdi, r11
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mov ecx, r12d
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mov rsi, JSAMPARRAY [rdi+0*SIZEOF_JSAMPARRAY]
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mov rbx, JSAMPARRAY [rdi+1*SIZEOF_JSAMPARRAY]
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mov rdx, JSAMPARRAY [rdi+2*SIZEOF_JSAMPARRAY]
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lea rsi, [rsi+rcx*SIZEOF_JSAMPROW]
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lea rbx, [rbx+rcx*SIZEOF_JSAMPROW]
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lea rdx, [rdx+rcx*SIZEOF_JSAMPROW]
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pop rcx
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mov rdi, r13
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mov eax, r14d
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test rax, rax
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jle near .return
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.rowloop:
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push rax
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push rdi
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push rdx
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push rbx
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push rsi
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push rcx ; col
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mov rsi, JSAMPROW [rsi] ; inptr0
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mov rbx, JSAMPROW [rbx] ; inptr1
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mov rdx, JSAMPROW [rdx] ; inptr2
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mov rdi, JSAMPROW [rdi] ; outptr
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.columnloop:
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vmovdqu ymm5, YMMWORD [rbx] ; ymm5=Cb(0123456789ABCDEFGHIJKLMNOPQRSTUV)
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vmovdqu ymm1, YMMWORD [rdx] ; ymm1=Cr(0123456789ABCDEFGHIJKLMNOPQRSTUV)
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vpcmpeqw ymm0, ymm0, ymm0
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vpcmpeqw ymm7, ymm7, ymm7
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vpsrlw ymm0, ymm0, BYTE_BIT ; ymm0={0xFF 0x00 0xFF 0x00 ..}
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vpsllw ymm7, ymm7, 7 ; ymm7={0xFF80 0xFF80 0xFF80 0xFF80 ..}
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vpand ymm4, ymm0, ymm5 ; ymm4=Cb(02468ACEGIKMOQSU)=CbE
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vpsrlw ymm5, ymm5, BYTE_BIT ; ymm5=Cb(13579BDFHJLNPRTV)=CbO
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vpand ymm0, ymm0, ymm1 ; ymm0=Cr(02468ACEGIKMOQSU)=CrE
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vpsrlw ymm1, ymm1, BYTE_BIT ; ymm1=Cr(13579BDFHJLNPRTV)=CrO
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vpaddw ymm2, ymm4, ymm7
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vpaddw ymm3, ymm5, ymm7
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vpaddw ymm6, ymm0, ymm7
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vpaddw ymm7, ymm1, ymm7
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; (Original)
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; R = Y + 1.40200 * Cr
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; G = Y - 0.34414 * Cb - 0.71414 * Cr
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; B = Y + 1.77200 * Cb
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;
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; (This implementation)
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; R = Y + 0.40200 * Cr + Cr
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; G = Y - 0.34414 * Cb + 0.28586 * Cr - Cr
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; B = Y - 0.22800 * Cb + Cb + Cb
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vpaddw ymm4, ymm2, ymm2 ; ymm4=2*CbE
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vpaddw ymm5, ymm3, ymm3 ; ymm5=2*CbO
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vpaddw ymm0, ymm6, ymm6 ; ymm0=2*CrE
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vpaddw ymm1, ymm7, ymm7 ; ymm1=2*CrO
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vpmulhw ymm4, ymm4, [rel PW_MF0228] ; ymm4=(2*CbE * -FIX(0.22800))
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vpmulhw ymm5, ymm5, [rel PW_MF0228] ; ymm5=(2*CbO * -FIX(0.22800))
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vpmulhw ymm0, ymm0, [rel PW_F0402] ; ymm0=(2*CrE * FIX(0.40200))
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vpmulhw ymm1, ymm1, [rel PW_F0402] ; ymm1=(2*CrO * FIX(0.40200))
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vpaddw ymm4, ymm4, [rel PW_ONE]
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vpaddw ymm5, ymm5, [rel PW_ONE]
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vpsraw ymm4, ymm4, 1 ; ymm4=(CbE * -FIX(0.22800))
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vpsraw ymm5, ymm5, 1 ; ymm5=(CbO * -FIX(0.22800))
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vpaddw ymm0, ymm0, [rel PW_ONE]
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vpaddw ymm1, ymm1, [rel PW_ONE]
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vpsraw ymm0, ymm0, 1 ; ymm0=(CrE * FIX(0.40200))
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vpsraw ymm1, ymm1, 1 ; ymm1=(CrO * FIX(0.40200))
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vpaddw ymm4, ymm4, ymm2
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vpaddw ymm5, ymm5, ymm3
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vpaddw ymm4, ymm4, ymm2 ; ymm4=(CbE * FIX(1.77200))=(B-Y)E
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vpaddw ymm5, ymm5, ymm3 ; ymm5=(CbO * FIX(1.77200))=(B-Y)O
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vpaddw ymm0, ymm0, ymm6 ; ymm0=(CrE * FIX(1.40200))=(R-Y)E
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vpaddw ymm1, ymm1, ymm7 ; ymm1=(CrO * FIX(1.40200))=(R-Y)O
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vmovdqa YMMWORD [wk(0)], ymm4 ; wk(0)=(B-Y)E
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vmovdqa YMMWORD [wk(1)], ymm5 ; wk(1)=(B-Y)O
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vpunpckhwd ymm4, ymm2, ymm6
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vpunpcklwd ymm2, ymm2, ymm6
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vpmaddwd ymm2, ymm2, [rel PW_MF0344_F0285]
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vpmaddwd ymm4, ymm4, [rel PW_MF0344_F0285]
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vpunpckhwd ymm5, ymm3, ymm7
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vpunpcklwd ymm3, ymm3, ymm7
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vpmaddwd ymm3, ymm3, [rel PW_MF0344_F0285]
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vpmaddwd ymm5, ymm5, [rel PW_MF0344_F0285]
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vpaddd ymm2, ymm2, [rel PD_ONEHALF]
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vpaddd ymm4, ymm4, [rel PD_ONEHALF]
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vpsrad ymm2, ymm2, SCALEBITS
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vpsrad ymm4, ymm4, SCALEBITS
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vpaddd ymm3, ymm3, [rel PD_ONEHALF]
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vpaddd ymm5, ymm5, [rel PD_ONEHALF]
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vpsrad ymm3, ymm3, SCALEBITS
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vpsrad ymm5, ymm5, SCALEBITS
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vpackssdw ymm2, ymm2, ymm4 ; ymm2=CbE*-FIX(0.344)+CrE*FIX(0.285)
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vpackssdw ymm3, ymm3, ymm5 ; ymm3=CbO*-FIX(0.344)+CrO*FIX(0.285)
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vpsubw ymm2, ymm2, ymm6 ; ymm2=CbE*-FIX(0.344)+CrE*-FIX(0.714)=(G-Y)E
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vpsubw ymm3, ymm3, ymm7 ; ymm3=CbO*-FIX(0.344)+CrO*-FIX(0.714)=(G-Y)O
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vmovdqu ymm5, YMMWORD [rsi] ; ymm5=Y(0123456789ABCDEFGHIJKLMNOPQRSTUV)
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vpcmpeqw ymm4, ymm4, ymm4
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vpsrlw ymm4, ymm4, BYTE_BIT ; ymm4={0xFF 0x00 0xFF 0x00 ..}
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vpand ymm4, ymm4, ymm5 ; ymm4=Y(02468ACEGIKMOQSU)=YE
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vpsrlw ymm5, ymm5, BYTE_BIT ; ymm5=Y(13579BDFHJLNPRTV)=YO
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vpaddw ymm0, ymm0, ymm4 ; ymm0=((R-Y)E+YE)=RE=R(02468ACEGIKMOQSU)
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vpaddw ymm1, ymm1, ymm5 ; ymm1=((R-Y)O+YO)=RO=R(13579BDFHJLNPRTV)
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vpackuswb ymm0, ymm0, ymm0 ; ymm0=R(02468ACE********GIKMOQSU********)
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vpackuswb ymm1, ymm1, ymm1 ; ymm1=R(13579BDF********HJLNPRTV********)
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vpaddw ymm2, ymm2, ymm4 ; ymm2=((G-Y)E+YE)=GE=G(02468ACEGIKMOQSU)
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vpaddw ymm3, ymm3, ymm5 ; ymm3=((G-Y)O+YO)=GO=G(13579BDFHJLNPRTV)
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vpackuswb ymm2, ymm2, ymm2 ; ymm2=G(02468ACE********GIKMOQSU********)
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vpackuswb ymm3, ymm3, ymm3 ; ymm3=G(13579BDF********HJLNPRTV********)
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vpaddw ymm4, ymm4, YMMWORD [wk(0)] ; ymm4=(YE+(B-Y)E)=BE=B(02468ACEGIKMOQSU)
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vpaddw ymm5, ymm5, YMMWORD [wk(1)] ; ymm5=(YO+(B-Y)O)=BO=B(13579BDFHJLNPRTV)
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vpackuswb ymm4, ymm4, ymm4 ; ymm4=B(02468ACE********GIKMOQSU********)
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vpackuswb ymm5, ymm5, ymm5 ; ymm5=B(13579BDF********HJLNPRTV********)
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%if RGB_PIXELSIZE == 3 ; ---------------
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; ymmA=(00 02 04 06 08 0A 0C 0E ** 0G 0I 0K 0M 0O 0Q 0S 0U **)
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; ymmB=(01 03 05 07 09 0B 0D 0F ** 0H 0J 0L 0N 0P 0R 0T 0V **)
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; ymmC=(10 12 14 16 18 1A 1C 1E ** 1G 1I 1K 1M 1O 1Q 1S 1U **)
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; ymmD=(11 13 15 17 19 1B 1D 1F ** 1H 1J 1L 1N 1P 1R 1T 1V **)
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; ymmE=(20 22 24 26 28 2A 2C 2E ** 2G 2I 2K 2M 2O 2Q 2S 2U **)
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; ymmF=(21 23 25 27 29 2B 2D 2F ** 2H 2J 2L 2N 2P 2R 2T 2V **)
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; ymmG=(** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **)
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; ymmH=(** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **)
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vpunpcklbw ymmA, ymmA, ymmC ; ymmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E
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; 0G 1G 0I 1I 0K 1K 0M 1M 0O 1O 0Q 1Q 0S 1S 0U 1U)
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vpunpcklbw ymmE, ymmE, ymmB ; ymmE=(20 01 22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0F
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; 2G 0H 2I 0J 2K 0L 2M 0N 2O 0P 2Q 0R 2S 0T 2U 0V)
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vpunpcklbw ymmD, ymmD, ymmF ; ymmD=(11 21 13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2F
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; 1H 2H 1J 2J 1L 2L 1N 2N 1P 2P 1R 2R 1T 2T 1V 2V)
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vpsrldq ymmH, ymmA, 2 ; ymmH=(02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E 0G 1G
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; 0I 1I 0K 1K 0M 1M 0O 1O 0Q 1Q 0S 1S 0U 1U -- --)
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vpunpckhwd ymmG, ymmA, ymmE ; ymmG=(08 18 28 09 0A 1A 2A 0B 0C 1C 2C 0D 0E 1E 2E 0F
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; 0O 1O 2O 0P 0Q 1Q 2Q 0R 0S 1S 2S 0T 0U 1U 2U 0V)
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vpunpcklwd ymmA, ymmA, ymmE ; ymmA=(00 10 20 01 02 12 22 03 04 14 24 05 06 16 26 07
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; 0G 1G 2G 0H 0I 1I 2I 0J 0K 1K 2K 0L 0M 1M 2M 0N)
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vpsrldq ymmE, ymmE, 2 ; ymmE=(22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0F 2G 0H
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; 2I 0J 2K 0L 2M 0N 2O 0P 2Q 0R 2S 0T 2U 0V -- --)
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vpsrldq ymmB, ymmD, 2 ; ymmB=(13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2F 1H 2H
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; 1J 2J 1L 2L 1N 2N 1P 2P 1R 2R 1T 2T 1V 2V -- --)
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vpunpckhwd ymmC, ymmD, ymmH ; ymmC=(19 29 0A 1A 1B 2B 0C 1C 1D 2D 0E 1E 1F 2F 0G 1G
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; 1P 2P 0Q 1Q 1R 2R 0S 1S 1T 2T 0U 1U 1V 2V -- --)
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vpunpcklwd ymmD, ymmD, ymmH ; ymmD=(11 21 02 12 13 23 04 14 15 25 06 16 17 27 08 18
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; 1H 2H 0I 1I 1J 2J 0K 1K 1L 2L 0M 1M 1N 2N 0O 1O)
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vpunpckhwd ymmF, ymmE, ymmB ; ymmF=(2A 0B 1B 2B 2C 0D 1D 2D 2E 0F 1F 2F 2G 0H 1H 2H
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; 2Q 0R 1R 2R 2S 0T 1T 2T 2U 0V 1V 2V -- -- -- --)
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vpunpcklwd ymmE, ymmE, ymmB ; ymmE=(22 03 13 23 24 05 15 25 26 07 17 27 28 09 19 29
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; 2I 0J 1J 2J 2K 0L 1L 2L 2M 0N 1N 2N 2O 0P 1P 2P)
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vpshufd ymmH, ymmA, 0x4E ; ymmH=(04 14 24 05 06 16 26 07 00 10 20 01 02 12 22 03
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; 0K 1K 2K 0L 0M 1M 2M 0N 0G 1G 2G 0H 0I 1I 2I 0J)
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vpunpckldq ymmA, ymmA, ymmD ; ymmA=(00 10 20 01 11 21 02 12 02 12 22 03 13 23 04 14
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; 0G 1G 2G 0H 1H 2H 0I 1I 0I 1I 2I 0J 1J 2J 0K 1K)
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vpunpckhdq ymmD, ymmD, ymmE ; ymmD=(15 25 06 16 26 07 17 27 17 27 08 18 28 09 19 29
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; 1L 2L 0M 1M 2M 0N 1N 2N 1N 2N 0O 1O 2O 0P 1P 2P)
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vpunpckldq ymmE, ymmE, ymmH ; ymmE=(22 03 13 23 04 14 24 05 24 05 15 25 06 16 26 07
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; 2I 0J 1J 2J 0K 1K 2K 0L 2K 0L 1L 2L 0M 1M 2M 0N)
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vpshufd ymmH, ymmG, 0x4E ; ymmH=(0C 1C 2C 0D 0E 1E 2E 0F 08 18 28 09 0A 1A 2A 0B
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; 0S 1S 2S 0T 0U 1U 2U 0V 0O 1O 2O 0P 0Q 1Q 2Q 0R)
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vpunpckldq ymmG, ymmG, ymmC ; ymmG=(08 18 28 09 19 29 0A 1A 0A 1A 2A 0B 1B 2B 0C 1C
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; 0O 1O 2O 0P 1P 2P 0Q 1Q 0Q 1Q 2Q 0R 1R 2R 0S 1S)
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vpunpckhdq ymmC, ymmC, ymmF ; ymmC=(1D 2D 0E 1E 2E 0F 1F 2F 1F 2F 0G 1G 2G 0H 1H 2H
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; 1T 2T 0U 1U 2U 0V 1V 2V 1V 2V -- -- -- -- -- --)
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vpunpckldq ymmF, ymmF, ymmH ; ymmF=(2A 0B 1B 2B 0C 1C 2C 0D 2C 0D 1D 2D 0E 1E 2E 0F
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; 2Q 0R 1R 2R 0S 1S 2S 0T 2S 0T 1T 2T 0U 1U 2U 0V)
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||
|
|
vpunpcklqdq ymmH, ymmA, ymmE ; ymmH=(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)
|
||
|
|
vpunpcklqdq ymmG, ymmD, ymmG ; ymmG=(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)
|
||
|
|
vpunpcklqdq ymmC, ymmF, ymmC ; ymmC=(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 ymmA, ymmH, ymmG, 0x20 ; 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)
|
||
|
|
vperm2i128 ymmD, ymmC, ymmH, 0x30 ; ymmD=(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)
|
||
|
|
vperm2i128 ymmF, ymmG, ymmC, 0x31 ; ymmF=(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)
|
||
|
|
|
||
|
|
cmp rcx, byte SIZEOF_YMMWORD
|
||
|
|
jb short .column_st64
|
||
|
|
|
||
|
|
test rdi, SIZEOF_YMMWORD-1
|
||
|
|
jnz short .out1
|
||
|
|
; --(aligned)-------------------
|
||
|
|
vmovntdq YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA
|
||
|
|
vmovntdq YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD
|
||
|
|
vmovntdq YMMWORD [rdi+2*SIZEOF_YMMWORD], ymmF
|
||
|
|
jmp short .out0
|
||
|
|
.out1: ; --(unaligned)-----------------
|
||
|
|
vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA
|
||
|
|
vmovdqu YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD
|
||
|
|
vmovdqu YMMWORD [rdi+2*SIZEOF_YMMWORD], ymmF
|
||
|
|
.out0:
|
||
|
|
add rdi, byte RGB_PIXELSIZE*SIZEOF_YMMWORD ; outptr
|
||
|
|
sub rcx, byte SIZEOF_YMMWORD
|
||
|
|
jz near .nextrow
|
||
|
|
|
||
|
|
add rsi, byte SIZEOF_YMMWORD ; inptr0
|
||
|
|
add rbx, byte SIZEOF_YMMWORD ; inptr1
|
||
|
|
add rdx, byte SIZEOF_YMMWORD ; inptr2
|
||
|
|
jmp near .columnloop
|
||
|
|
|
||
|
|
.column_st64:
|
||
|
|
lea rcx, [rcx+rcx*2] ; imul ecx, RGB_PIXELSIZE
|
||
|
|
cmp rcx, byte 2*SIZEOF_YMMWORD
|
||
|
|
jb short .column_st32
|
||
|
|
vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA
|
||
|
|
vmovdqu YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD
|
||
|
|
add rdi, byte 2*SIZEOF_YMMWORD ; outptr
|
||
|
|
vmovdqa ymmA, ymmF
|
||
|
|
sub rcx, byte 2*SIZEOF_YMMWORD
|
||
|
|
jmp short .column_st31
|
||
|
|
.column_st32:
|
||
|
|
cmp rcx, byte SIZEOF_YMMWORD
|
||
|
|
jb short .column_st31
|
||
|
|
vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA
|
||
|
|
add rdi, byte SIZEOF_YMMWORD ; outptr
|
||
|
|
vmovdqa ymmA, ymmD
|
||
|
|
sub rcx, byte SIZEOF_YMMWORD
|
||
|
|
jmp short .column_st31
|
||
|
|
.column_st31:
|
||
|
|
cmp rcx, byte SIZEOF_XMMWORD
|
||
|
|
jb short .column_st15
|
||
|
|
vmovdqu XMMWORD [rdi+0*SIZEOF_XMMWORD], xmmA
|
||
|
|
add rdi, byte SIZEOF_XMMWORD ; outptr
|
||
|
|
vperm2i128 ymmA, ymmA, ymmA, 1
|
||
|
|
sub rcx, byte SIZEOF_XMMWORD
|
||
|
|
.column_st15:
|
||
|
|
; Store the lower 8 bytes of xmmA to the output when it has enough
|
||
|
|
; space.
|
||
|
|
cmp rcx, byte SIZEOF_MMWORD
|
||
|
|
jb short .column_st7
|
||
|
|
vmovq XMM_MMWORD [rdi], xmmA
|
||
|
|
add rdi, byte SIZEOF_MMWORD
|
||
|
|
sub rcx, byte SIZEOF_MMWORD
|
||
|
|
vpsrldq xmmA, xmmA, SIZEOF_MMWORD
|
||
|
|
.column_st7:
|
||
|
|
; Store the lower 4 bytes of xmmA to the output when it has enough
|
||
|
|
; space.
|
||
|
|
cmp rcx, byte SIZEOF_DWORD
|
||
|
|
jb short .column_st3
|
||
|
|
vmovd XMM_DWORD [rdi], xmmA
|
||
|
|
add rdi, byte SIZEOF_DWORD
|
||
|
|
sub rcx, byte SIZEOF_DWORD
|
||
|
|
vpsrldq xmmA, xmmA, SIZEOF_DWORD
|
||
|
|
.column_st3:
|
||
|
|
; Store the lower 2 bytes of rax to the output when it has enough
|
||
|
|
; space.
|
||
|
|
vmovd eax, xmmA
|
||
|
|
cmp rcx, byte SIZEOF_WORD
|
||
|
|
jb short .column_st1
|
||
|
|
mov word [rdi], ax
|
||
|
|
add rdi, byte SIZEOF_WORD
|
||
|
|
sub rcx, byte SIZEOF_WORD
|
||
|
|
shr rax, 16
|
||
|
|
.column_st1:
|
||
|
|
; Store the lower 1 byte of rax to the output when it has enough
|
||
|
|
; space.
|
||
|
|
test rcx, rcx
|
||
|
|
jz short .nextrow
|
||
|
|
mov byte [rdi], al
|
||
|
|
|
||
|
|
%else ; RGB_PIXELSIZE == 4 ; -----------
|
||
|
|
|
||
|
|
%ifdef RGBX_FILLER_0XFF
|
||
|
|
vpcmpeqb ymm6, ymm6, ymm6 ; ymm6=XE=X(02468ACE********GIKMOQSU********)
|
||
|
|
vpcmpeqb ymm7, ymm7, ymm7 ; ymm7=XO=X(13579BDF********HJLNPRTV********)
|
||
|
|
%else
|
||
|
|
vpxor ymm6, ymm6, ymm6 ; ymm6=XE=X(02468ACE********GIKMOQSU********)
|
||
|
|
vpxor ymm7, ymm7, ymm7 ; ymm7=XO=X(13579BDF********HJLNPRTV********)
|
||
|
|
%endif
|
||
|
|
; ymmA=(00 02 04 06 08 0A 0C 0E ** 0G 0I 0K 0M 0O 0Q 0S 0U **)
|
||
|
|
; ymmB=(01 03 05 07 09 0B 0D 0F ** 0H 0J 0L 0N 0P 0R 0T 0V **)
|
||
|
|
; ymmC=(10 12 14 16 18 1A 1C 1E ** 1G 1I 1K 1M 1O 1Q 1S 1U **)
|
||
|
|
; ymmD=(11 13 15 17 19 1B 1D 1F ** 1H 1J 1L 1N 1P 1R 1T 1V **)
|
||
|
|
; ymmE=(20 22 24 26 28 2A 2C 2E ** 2G 2I 2K 2M 2O 2Q 2S 2U **)
|
||
|
|
; ymmF=(21 23 25 27 29 2B 2D 2F ** 2H 2J 2L 2N 2P 2R 2T 2V **)
|
||
|
|
; ymmG=(30 32 34 36 38 3A 3C 3E ** 3G 3I 3K 3M 3O 3Q 3S 3U **)
|
||
|
|
; ymmH=(31 33 35 37 39 3B 3D 3F ** 3H 3J 3L 3N 3P 3R 3T 3V **)
|
||
|
|
|
||
|
|
vpunpcklbw ymmA, ymmA, ymmC ; ymmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E
|
||
|
|
; 0G 1G 0I 1I 0K 1K 0M 1M 0O 1O 0Q 1Q 0S 1S 0U 1U)
|
||
|
|
vpunpcklbw ymmE, ymmE, ymmG ; ymmE=(20 30 22 32 24 34 26 36 28 38 2A 3A 2C 3C 2E 3E
|
||
|
|
; 2G 3G 2I 3I 2K 3K 2M 3M 2O 3O 2Q 3Q 2S 3S 2U 3U)
|
||
|
|
vpunpcklbw ymmB, ymmB, ymmD ; ymmB=(01 11 03 13 05 15 07 17 09 19 0B 1B 0D 1D 0F 1F
|
||
|
|
; 0H 1H 0J 1J 0L 1L 0N 1N 0P 1P 0R 1R 0T 1T 0V 1V)
|
||
|
|
vpunpcklbw ymmF, ymmF, ymmH ; ymmF=(21 31 23 33 25 35 27 37 29 39 2B 3B 2D 3D 2F 3F
|
||
|
|
; 2H 3H 2J 3J 2L 3L 2N 3N 2P 3P 2R 3R 2T 3T 2V 3V)
|
||
|
|
|
||
|
|
vpunpckhwd ymmC, ymmA, ymmE ; ymmC=(08 18 28 38 0A 1A 2A 3A 0C 1C 2C 3C 0E 1E 2E 3E
|
||
|
|
; 0O 1O 2O 3O 0Q 1Q 2Q 3Q 0S 1S 2S 3S 0U 1U 2U 3U)
|
||
|
|
vpunpcklwd ymmA, ymmA, ymmE ; ymmA=(00 10 20 30 02 12 22 32 04 14 24 34 06 16 26 36
|
||
|
|
; 0G 1G 2G 3G 0I 1I 2I 3I 0K 1K 2K 3K 0M 1M 2M 3M)
|
||
|
|
vpunpckhwd ymmG, ymmB, ymmF ; ymmG=(09 19 29 39 0B 1B 2B 3B 0D 1D 2D 3D 0F 1F 2F 3F
|
||
|
|
; 0P 1P 2P 3P 0R 1R 2R 3R 0T 1T 2T 3T 0V 1V 2V 3V)
|
||
|
|
vpunpcklwd ymmB, ymmB, ymmF ; ymmB=(01 11 21 31 03 13 23 33 05 15 25 35 07 17 27 37
|
||
|
|
; 0H 1H 2H 3H 0J 1J 2J 3J 0L 1L 2L 3L 0N 1N 2N 3N)
|
||
|
|
|
||
|
|
vpunpckhdq ymmE, ymmA, ymmB ; 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)
|
||
|
|
vpunpckldq ymmB, ymmA, ymmB ; ymmB=(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)
|
||
|
|
vpunpckhdq ymmF, ymmC, ymmG ; ymmF=(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)
|
||
|
|
vpunpckldq ymmG, ymmC, ymmG ; ymmG=(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 ymmA, ymmB, ymmE, 0x20 ; 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)
|
||
|
|
vperm2i128 ymmD, ymmG, ymmF, 0x20 ; ymmD=(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)
|
||
|
|
vperm2i128 ymmC, ymmB, ymmE, 0x31 ; ymmC=(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)
|
||
|
|
vperm2i128 ymmH, ymmG, ymmF, 0x31 ; 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)
|
||
|
|
|
||
|
|
cmp rcx, byte SIZEOF_YMMWORD
|
||
|
|
jb short .column_st64
|
||
|
|
|
||
|
|
test rdi, SIZEOF_YMMWORD-1
|
||
|
|
jnz short .out1
|
||
|
|
; --(aligned)-------------------
|
||
|
|
vmovntdq YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA
|
||
|
|
vmovntdq YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD
|
||
|
|
vmovntdq YMMWORD [rdi+2*SIZEOF_YMMWORD], ymmC
|
||
|
|
vmovntdq YMMWORD [rdi+3*SIZEOF_YMMWORD], ymmH
|
||
|
|
jmp short .out0
|
||
|
|
.out1: ; --(unaligned)-----------------
|
||
|
|
vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA
|
||
|
|
vmovdqu YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD
|
||
|
|
vmovdqu YMMWORD [rdi+2*SIZEOF_YMMWORD], ymmC
|
||
|
|
vmovdqu YMMWORD [rdi+3*SIZEOF_YMMWORD], ymmH
|
||
|
|
.out0:
|
||
|
|
add rdi, RGB_PIXELSIZE*SIZEOF_YMMWORD ; outptr
|
||
|
|
sub rcx, byte SIZEOF_YMMWORD
|
||
|
|
jz near .nextrow
|
||
|
|
|
||
|
|
add rsi, byte SIZEOF_YMMWORD ; inptr0
|
||
|
|
add rbx, byte SIZEOF_YMMWORD ; inptr1
|
||
|
|
add rdx, byte SIZEOF_YMMWORD ; inptr2
|
||
|
|
jmp near .columnloop
|
||
|
|
|
||
|
|
.column_st64:
|
||
|
|
cmp rcx, byte SIZEOF_YMMWORD/2
|
||
|
|
jb short .column_st32
|
||
|
|
vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA
|
||
|
|
vmovdqu YMMWORD [rdi+1*SIZEOF_YMMWORD], ymmD
|
||
|
|
add rdi, byte 2*SIZEOF_YMMWORD ; outptr
|
||
|
|
vmovdqa ymmA, ymmC
|
||
|
|
vmovdqa ymmD, ymmH
|
||
|
|
sub rcx, byte SIZEOF_YMMWORD/2
|
||
|
|
.column_st32:
|
||
|
|
cmp rcx, byte SIZEOF_YMMWORD/4
|
||
|
|
jb short .column_st16
|
||
|
|
vmovdqu YMMWORD [rdi+0*SIZEOF_YMMWORD], ymmA
|
||
|
|
add rdi, byte SIZEOF_YMMWORD ; outptr
|
||
|
|
vmovdqa ymmA, ymmD
|
||
|
|
sub rcx, byte SIZEOF_YMMWORD/4
|
||
|
|
.column_st16:
|
||
|
|
cmp rcx, byte SIZEOF_YMMWORD/8
|
||
|
|
jb short .column_st15
|
||
|
|
vmovdqu XMMWORD [rdi+0*SIZEOF_XMMWORD], xmmA
|
||
|
|
vperm2i128 ymmA, ymmA, ymmA, 1
|
||
|
|
add rdi, byte SIZEOF_XMMWORD ; outptr
|
||
|
|
sub rcx, byte SIZEOF_YMMWORD/8
|
||
|
|
.column_st15:
|
||
|
|
; Store two pixels (8 bytes) of ymmA to the output when it has enough
|
||
|
|
; space.
|
||
|
|
cmp rcx, byte SIZEOF_YMMWORD/16
|
||
|
|
jb short .column_st7
|
||
|
|
vmovq MMWORD [rdi], xmmA
|
||
|
|
add rdi, byte SIZEOF_YMMWORD/16*4
|
||
|
|
sub rcx, byte SIZEOF_YMMWORD/16
|
||
|
|
vpsrldq xmmA, SIZEOF_YMMWORD/16*4
|
||
|
|
.column_st7:
|
||
|
|
; Store one pixel (4 bytes) of ymmA to the output when it has enough
|
||
|
|
; space.
|
||
|
|
test rcx, rcx
|
||
|
|
jz short .nextrow
|
||
|
|
vmovd XMM_DWORD [rdi], xmmA
|
||
|
|
|
||
|
|
%endif ; RGB_PIXELSIZE ; ---------------
|
||
|
|
|
||
|
|
.nextrow:
|
||
|
|
pop rcx
|
||
|
|
pop rsi
|
||
|
|
pop rbx
|
||
|
|
pop rdx
|
||
|
|
pop rdi
|
||
|
|
pop rax
|
||
|
|
|
||
|
|
add rsi, byte SIZEOF_JSAMPROW
|
||
|
|
add rbx, byte SIZEOF_JSAMPROW
|
||
|
|
add rdx, byte SIZEOF_JSAMPROW
|
||
|
|
add rdi, byte SIZEOF_JSAMPROW ; output_buf
|
||
|
|
dec rax ; num_rows
|
||
|
|
jg near .rowloop
|
||
|
|
|
||
|
|
sfence ; flush the write buffer
|
||
|
|
|
||
|
|
.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
|