mirror of
https://bitbucket.org/CPMADevs/cnq3
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737 lines
25 KiB
NASM
737 lines
25 KiB
NASM
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; jdsample.asm - upsampling (MMX)
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;
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; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
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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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;
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; [TAB8]
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%include "jsimdext.inc"
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; --------------------------------------------------------------------------
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SECTION SEG_CONST
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alignz 16
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global EXTN(jconst_fancy_upsample_mmx)
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EXTN(jconst_fancy_upsample_mmx):
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PW_ONE times 4 dw 1
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PW_TWO times 4 dw 2
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PW_THREE times 4 dw 3
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PW_SEVEN times 4 dw 7
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PW_EIGHT times 4 dw 8
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alignz 16
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; --------------------------------------------------------------------------
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SECTION SEG_TEXT
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BITS 32
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;
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; Fancy processing for the common case of 2:1 horizontal and 1:1 vertical.
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;
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; The upsampling algorithm is linear interpolation between pixel centers,
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; also known as a "triangle filter". This is a good compromise between
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; speed and visual quality. The centers of the output pixels are 1/4 and 3/4
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; of the way between input pixel centers.
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;
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; GLOBAL(void)
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; jsimd_h2v1_fancy_upsample_mmx (int max_v_samp_factor,
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; JDIMENSION downsampled_width,
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; JSAMPARRAY input_data,
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; JSAMPARRAY *output_data_ptr);
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;
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%define max_v_samp(b) (b)+8 ; int max_v_samp_factor
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%define downsamp_width(b) (b)+12 ; JDIMENSION downsampled_width
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%define input_data(b) (b)+16 ; JSAMPARRAY input_data
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%define output_data_ptr(b) (b)+20 ; JSAMPARRAY *output_data_ptr
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align 16
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global EXTN(jsimd_h2v1_fancy_upsample_mmx)
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EXTN(jsimd_h2v1_fancy_upsample_mmx):
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push ebp
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mov ebp,esp
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pushpic ebx
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; push ecx ; need not be preserved
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; push edx ; need not be preserved
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push esi
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push edi
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get_GOT ebx ; get GOT address
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mov eax, JDIMENSION [downsamp_width(ebp)] ; colctr
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test eax,eax
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jz near .return
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mov ecx, INT [max_v_samp(ebp)] ; rowctr
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test ecx,ecx
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jz near .return
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mov esi, JSAMPARRAY [input_data(ebp)] ; input_data
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mov edi, POINTER [output_data_ptr(ebp)]
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mov edi, JSAMPARRAY [edi] ; output_data
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alignx 16,7
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.rowloop:
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push eax ; colctr
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push edi
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push esi
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mov esi, JSAMPROW [esi] ; inptr
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mov edi, JSAMPROW [edi] ; outptr
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test eax, SIZEOF_MMWORD-1
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jz short .skip
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mov dl, JSAMPLE [esi+(eax-1)*SIZEOF_JSAMPLE]
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mov JSAMPLE [esi+eax*SIZEOF_JSAMPLE], dl ; insert a dummy sample
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.skip:
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pxor mm0,mm0 ; mm0=(all 0's)
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pcmpeqb mm7,mm7
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psrlq mm7,(SIZEOF_MMWORD-1)*BYTE_BIT
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pand mm7, MMWORD [esi+0*SIZEOF_MMWORD]
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add eax, byte SIZEOF_MMWORD-1
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and eax, byte -SIZEOF_MMWORD
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cmp eax, byte SIZEOF_MMWORD
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ja short .columnloop
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alignx 16,7
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.columnloop_last:
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pcmpeqb mm6,mm6
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psllq mm6,(SIZEOF_MMWORD-1)*BYTE_BIT
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pand mm6, MMWORD [esi+0*SIZEOF_MMWORD]
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jmp short .upsample
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alignx 16,7
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.columnloop:
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movq mm6, MMWORD [esi+1*SIZEOF_MMWORD]
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psllq mm6,(SIZEOF_MMWORD-1)*BYTE_BIT
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.upsample:
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movq mm1, MMWORD [esi+0*SIZEOF_MMWORD]
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movq mm2,mm1
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movq mm3,mm1 ; mm1=( 0 1 2 3 4 5 6 7)
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psllq mm2,BYTE_BIT ; mm2=( - 0 1 2 3 4 5 6)
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psrlq mm3,BYTE_BIT ; mm3=( 1 2 3 4 5 6 7 -)
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por mm2,mm7 ; mm2=(-1 0 1 2 3 4 5 6)
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por mm3,mm6 ; mm3=( 1 2 3 4 5 6 7 8)
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movq mm7,mm1
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psrlq mm7,(SIZEOF_MMWORD-1)*BYTE_BIT ; mm7=( 7 - - - - - - -)
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movq mm4,mm1
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punpcklbw mm1,mm0 ; mm1=( 0 1 2 3)
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punpckhbw mm4,mm0 ; mm4=( 4 5 6 7)
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movq mm5,mm2
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punpcklbw mm2,mm0 ; mm2=(-1 0 1 2)
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punpckhbw mm5,mm0 ; mm5=( 3 4 5 6)
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movq mm6,mm3
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punpcklbw mm3,mm0 ; mm3=( 1 2 3 4)
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punpckhbw mm6,mm0 ; mm6=( 5 6 7 8)
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pmullw mm1,[GOTOFF(ebx,PW_THREE)]
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pmullw mm4,[GOTOFF(ebx,PW_THREE)]
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paddw mm2,[GOTOFF(ebx,PW_ONE)]
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paddw mm5,[GOTOFF(ebx,PW_ONE)]
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paddw mm3,[GOTOFF(ebx,PW_TWO)]
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paddw mm6,[GOTOFF(ebx,PW_TWO)]
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paddw mm2,mm1
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paddw mm5,mm4
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psrlw mm2,2 ; mm2=OutLE=( 0 2 4 6)
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psrlw mm5,2 ; mm5=OutHE=( 8 10 12 14)
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paddw mm3,mm1
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paddw mm6,mm4
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psrlw mm3,2 ; mm3=OutLO=( 1 3 5 7)
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psrlw mm6,2 ; mm6=OutHO=( 9 11 13 15)
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psllw mm3,BYTE_BIT
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psllw mm6,BYTE_BIT
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por mm2,mm3 ; mm2=OutL=( 0 1 2 3 4 5 6 7)
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por mm5,mm6 ; mm5=OutH=( 8 9 10 11 12 13 14 15)
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movq MMWORD [edi+0*SIZEOF_MMWORD], mm2
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movq MMWORD [edi+1*SIZEOF_MMWORD], mm5
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sub eax, byte SIZEOF_MMWORD
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add esi, byte 1*SIZEOF_MMWORD ; inptr
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add edi, byte 2*SIZEOF_MMWORD ; outptr
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cmp eax, byte SIZEOF_MMWORD
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ja near .columnloop
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test eax,eax
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jnz near .columnloop_last
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pop esi
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pop edi
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pop eax
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add esi, byte SIZEOF_JSAMPROW ; input_data
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add edi, byte SIZEOF_JSAMPROW ; output_data
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dec ecx ; rowctr
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jg near .rowloop
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emms ; empty MMX state
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.return:
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pop edi
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pop esi
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; pop edx ; need not be preserved
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; pop ecx ; need not be preserved
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poppic ebx
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pop ebp
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ret
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; --------------------------------------------------------------------------
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;
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; Fancy processing for the common case of 2:1 horizontal and 2:1 vertical.
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; Again a triangle filter; see comments for h2v1 case, above.
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;
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; GLOBAL(void)
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; jsimd_h2v2_fancy_upsample_mmx (int max_v_samp_factor,
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; JDIMENSION downsampled_width,
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; JSAMPARRAY input_data,
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; JSAMPARRAY *output_data_ptr);
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;
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%define max_v_samp(b) (b)+8 ; int max_v_samp_factor
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%define downsamp_width(b) (b)+12 ; JDIMENSION downsampled_width
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%define input_data(b) (b)+16 ; JSAMPARRAY input_data
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%define output_data_ptr(b) (b)+20 ; JSAMPARRAY *output_data_ptr
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%define original_ebp ebp+0
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%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_MMWORD ; mmword wk[WK_NUM]
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%define WK_NUM 4
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%define gotptr wk(0)-SIZEOF_POINTER ; void *gotptr
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align 16
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global EXTN(jsimd_h2v2_fancy_upsample_mmx)
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EXTN(jsimd_h2v2_fancy_upsample_mmx):
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push ebp
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mov eax,esp ; eax = original ebp
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sub esp, byte 4
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and esp, byte (-SIZEOF_MMWORD) ; align to 64 bits
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mov [esp],eax
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mov ebp,esp ; ebp = aligned ebp
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lea esp, [wk(0)]
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pushpic eax ; make a room for GOT address
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push ebx
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; push ecx ; need not be preserved
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; push edx ; need not be preserved
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push esi
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push edi
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get_GOT ebx ; get GOT address
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movpic POINTER [gotptr], ebx ; save GOT address
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mov edx,eax ; edx = original ebp
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mov eax, JDIMENSION [downsamp_width(edx)] ; colctr
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test eax,eax
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jz near .return
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mov ecx, INT [max_v_samp(edx)] ; rowctr
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test ecx,ecx
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jz near .return
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mov esi, JSAMPARRAY [input_data(edx)] ; input_data
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mov edi, POINTER [output_data_ptr(edx)]
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mov edi, JSAMPARRAY [edi] ; output_data
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alignx 16,7
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.rowloop:
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push eax ; colctr
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push ecx
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push edi
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push esi
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mov ecx, JSAMPROW [esi-1*SIZEOF_JSAMPROW] ; inptr1(above)
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mov ebx, JSAMPROW [esi+0*SIZEOF_JSAMPROW] ; inptr0
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mov esi, JSAMPROW [esi+1*SIZEOF_JSAMPROW] ; inptr1(below)
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mov edx, JSAMPROW [edi+0*SIZEOF_JSAMPROW] ; outptr0
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mov edi, JSAMPROW [edi+1*SIZEOF_JSAMPROW] ; outptr1
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test eax, SIZEOF_MMWORD-1
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jz short .skip
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push edx
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mov dl, JSAMPLE [ecx+(eax-1)*SIZEOF_JSAMPLE]
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mov JSAMPLE [ecx+eax*SIZEOF_JSAMPLE], dl
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mov dl, JSAMPLE [ebx+(eax-1)*SIZEOF_JSAMPLE]
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mov JSAMPLE [ebx+eax*SIZEOF_JSAMPLE], dl
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mov dl, JSAMPLE [esi+(eax-1)*SIZEOF_JSAMPLE]
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mov JSAMPLE [esi+eax*SIZEOF_JSAMPLE], dl ; insert a dummy sample
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pop edx
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.skip:
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; -- process the first column block
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movq mm0, MMWORD [ebx+0*SIZEOF_MMWORD] ; mm0=row[ 0][0]
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movq mm1, MMWORD [ecx+0*SIZEOF_MMWORD] ; mm1=row[-1][0]
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movq mm2, MMWORD [esi+0*SIZEOF_MMWORD] ; mm2=row[+1][0]
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pushpic ebx
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movpic ebx, POINTER [gotptr] ; load GOT address
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pxor mm3,mm3 ; mm3=(all 0's)
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movq mm4,mm0
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punpcklbw mm0,mm3 ; mm0=row[ 0][0]( 0 1 2 3)
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punpckhbw mm4,mm3 ; mm4=row[ 0][0]( 4 5 6 7)
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movq mm5,mm1
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punpcklbw mm1,mm3 ; mm1=row[-1][0]( 0 1 2 3)
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punpckhbw mm5,mm3 ; mm5=row[-1][0]( 4 5 6 7)
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movq mm6,mm2
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punpcklbw mm2,mm3 ; mm2=row[+1][0]( 0 1 2 3)
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punpckhbw mm6,mm3 ; mm6=row[+1][0]( 4 5 6 7)
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pmullw mm0,[GOTOFF(ebx,PW_THREE)]
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pmullw mm4,[GOTOFF(ebx,PW_THREE)]
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pcmpeqb mm7,mm7
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psrlq mm7,(SIZEOF_MMWORD-2)*BYTE_BIT
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paddw mm1,mm0 ; mm1=Int0L=( 0 1 2 3)
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paddw mm5,mm4 ; mm5=Int0H=( 4 5 6 7)
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paddw mm2,mm0 ; mm2=Int1L=( 0 1 2 3)
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paddw mm6,mm4 ; mm6=Int1H=( 4 5 6 7)
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movq MMWORD [edx+0*SIZEOF_MMWORD], mm1 ; temporarily save
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movq MMWORD [edx+1*SIZEOF_MMWORD], mm5 ; the intermediate data
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movq MMWORD [edi+0*SIZEOF_MMWORD], mm2
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movq MMWORD [edi+1*SIZEOF_MMWORD], mm6
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pand mm1,mm7 ; mm1=( 0 - - -)
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pand mm2,mm7 ; mm2=( 0 - - -)
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movq MMWORD [wk(0)], mm1
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movq MMWORD [wk(1)], mm2
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poppic ebx
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add eax, byte SIZEOF_MMWORD-1
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and eax, byte -SIZEOF_MMWORD
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cmp eax, byte SIZEOF_MMWORD
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ja short .columnloop
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alignx 16,7
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.columnloop_last:
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; -- process the last column block
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pushpic ebx
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movpic ebx, POINTER [gotptr] ; load GOT address
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pcmpeqb mm1,mm1
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psllq mm1,(SIZEOF_MMWORD-2)*BYTE_BIT
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movq mm2,mm1
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pand mm1, MMWORD [edx+1*SIZEOF_MMWORD] ; mm1=( - - - 7)
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pand mm2, MMWORD [edi+1*SIZEOF_MMWORD] ; mm2=( - - - 7)
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movq MMWORD [wk(2)], mm1
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movq MMWORD [wk(3)], mm2
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jmp short .upsample
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alignx 16,7
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.columnloop:
|
||
|
|
; -- process the next column block
|
||
|
|
|
||
|
|
movq mm0, MMWORD [ebx+1*SIZEOF_MMWORD] ; mm0=row[ 0][1]
|
||
|
|
movq mm1, MMWORD [ecx+1*SIZEOF_MMWORD] ; mm1=row[-1][1]
|
||
|
|
movq mm2, MMWORD [esi+1*SIZEOF_MMWORD] ; mm2=row[+1][1]
|
||
|
|
|
||
|
|
pushpic ebx
|
||
|
|
movpic ebx, POINTER [gotptr] ; load GOT address
|
||
|
|
|
||
|
|
pxor mm3,mm3 ; mm3=(all 0's)
|
||
|
|
movq mm4,mm0
|
||
|
|
punpcklbw mm0,mm3 ; mm0=row[ 0][1]( 0 1 2 3)
|
||
|
|
punpckhbw mm4,mm3 ; mm4=row[ 0][1]( 4 5 6 7)
|
||
|
|
movq mm5,mm1
|
||
|
|
punpcklbw mm1,mm3 ; mm1=row[-1][1]( 0 1 2 3)
|
||
|
|
punpckhbw mm5,mm3 ; mm5=row[-1][1]( 4 5 6 7)
|
||
|
|
movq mm6,mm2
|
||
|
|
punpcklbw mm2,mm3 ; mm2=row[+1][1]( 0 1 2 3)
|
||
|
|
punpckhbw mm6,mm3 ; mm6=row[+1][1]( 4 5 6 7)
|
||
|
|
|
||
|
|
pmullw mm0,[GOTOFF(ebx,PW_THREE)]
|
||
|
|
pmullw mm4,[GOTOFF(ebx,PW_THREE)]
|
||
|
|
|
||
|
|
paddw mm1,mm0 ; mm1=Int0L=( 0 1 2 3)
|
||
|
|
paddw mm5,mm4 ; mm5=Int0H=( 4 5 6 7)
|
||
|
|
paddw mm2,mm0 ; mm2=Int1L=( 0 1 2 3)
|
||
|
|
paddw mm6,mm4 ; mm6=Int1H=( 4 5 6 7)
|
||
|
|
|
||
|
|
movq MMWORD [edx+2*SIZEOF_MMWORD], mm1 ; temporarily save
|
||
|
|
movq MMWORD [edx+3*SIZEOF_MMWORD], mm5 ; the intermediate data
|
||
|
|
movq MMWORD [edi+2*SIZEOF_MMWORD], mm2
|
||
|
|
movq MMWORD [edi+3*SIZEOF_MMWORD], mm6
|
||
|
|
|
||
|
|
psllq mm1,(SIZEOF_MMWORD-2)*BYTE_BIT ; mm1=( - - - 0)
|
||
|
|
psllq mm2,(SIZEOF_MMWORD-2)*BYTE_BIT ; mm2=( - - - 0)
|
||
|
|
|
||
|
|
movq MMWORD [wk(2)], mm1
|
||
|
|
movq MMWORD [wk(3)], mm2
|
||
|
|
|
||
|
|
.upsample:
|
||
|
|
; -- process the upper row
|
||
|
|
|
||
|
|
movq mm7, MMWORD [edx+0*SIZEOF_MMWORD] ; mm7=Int0L=( 0 1 2 3)
|
||
|
|
movq mm3, MMWORD [edx+1*SIZEOF_MMWORD] ; mm3=Int0H=( 4 5 6 7)
|
||
|
|
|
||
|
|
movq mm0,mm7
|
||
|
|
movq mm4,mm3
|
||
|
|
psrlq mm0,2*BYTE_BIT ; mm0=( 1 2 3 -)
|
||
|
|
psllq mm4,(SIZEOF_MMWORD-2)*BYTE_BIT ; mm4=( - - - 4)
|
||
|
|
movq mm5,mm7
|
||
|
|
movq mm6,mm3
|
||
|
|
psrlq mm5,(SIZEOF_MMWORD-2)*BYTE_BIT ; mm5=( 3 - - -)
|
||
|
|
psllq mm6,2*BYTE_BIT ; mm6=( - 4 5 6)
|
||
|
|
|
||
|
|
por mm0,mm4 ; mm0=( 1 2 3 4)
|
||
|
|
por mm5,mm6 ; mm5=( 3 4 5 6)
|
||
|
|
|
||
|
|
movq mm1,mm7
|
||
|
|
movq mm2,mm3
|
||
|
|
psllq mm1,2*BYTE_BIT ; mm1=( - 0 1 2)
|
||
|
|
psrlq mm2,2*BYTE_BIT ; mm2=( 5 6 7 -)
|
||
|
|
movq mm4,mm3
|
||
|
|
psrlq mm4,(SIZEOF_MMWORD-2)*BYTE_BIT ; mm4=( 7 - - -)
|
||
|
|
|
||
|
|
por mm1, MMWORD [wk(0)] ; mm1=(-1 0 1 2)
|
||
|
|
por mm2, MMWORD [wk(2)] ; mm2=( 5 6 7 8)
|
||
|
|
|
||
|
|
movq MMWORD [wk(0)], mm4
|
||
|
|
|
||
|
|
pmullw mm7,[GOTOFF(ebx,PW_THREE)]
|
||
|
|
pmullw mm3,[GOTOFF(ebx,PW_THREE)]
|
||
|
|
paddw mm1,[GOTOFF(ebx,PW_EIGHT)]
|
||
|
|
paddw mm5,[GOTOFF(ebx,PW_EIGHT)]
|
||
|
|
paddw mm0,[GOTOFF(ebx,PW_SEVEN)]
|
||
|
|
paddw mm2,[GOTOFF(ebx,PW_SEVEN)]
|
||
|
|
|
||
|
|
paddw mm1,mm7
|
||
|
|
paddw mm5,mm3
|
||
|
|
psrlw mm1,4 ; mm1=Out0LE=( 0 2 4 6)
|
||
|
|
psrlw mm5,4 ; mm5=Out0HE=( 8 10 12 14)
|
||
|
|
paddw mm0,mm7
|
||
|
|
paddw mm2,mm3
|
||
|
|
psrlw mm0,4 ; mm0=Out0LO=( 1 3 5 7)
|
||
|
|
psrlw mm2,4 ; mm2=Out0HO=( 9 11 13 15)
|
||
|
|
|
||
|
|
psllw mm0,BYTE_BIT
|
||
|
|
psllw mm2,BYTE_BIT
|
||
|
|
por mm1,mm0 ; mm1=Out0L=( 0 1 2 3 4 5 6 7)
|
||
|
|
por mm5,mm2 ; mm5=Out0H=( 8 9 10 11 12 13 14 15)
|
||
|
|
|
||
|
|
movq MMWORD [edx+0*SIZEOF_MMWORD], mm1
|
||
|
|
movq MMWORD [edx+1*SIZEOF_MMWORD], mm5
|
||
|
|
|
||
|
|
; -- process the lower row
|
||
|
|
|
||
|
|
movq mm6, MMWORD [edi+0*SIZEOF_MMWORD] ; mm6=Int1L=( 0 1 2 3)
|
||
|
|
movq mm4, MMWORD [edi+1*SIZEOF_MMWORD] ; mm4=Int1H=( 4 5 6 7)
|
||
|
|
|
||
|
|
movq mm7,mm6
|
||
|
|
movq mm3,mm4
|
||
|
|
psrlq mm7,2*BYTE_BIT ; mm7=( 1 2 3 -)
|
||
|
|
psllq mm3,(SIZEOF_MMWORD-2)*BYTE_BIT ; mm3=( - - - 4)
|
||
|
|
movq mm0,mm6
|
||
|
|
movq mm2,mm4
|
||
|
|
psrlq mm0,(SIZEOF_MMWORD-2)*BYTE_BIT ; mm0=( 3 - - -)
|
||
|
|
psllq mm2,2*BYTE_BIT ; mm2=( - 4 5 6)
|
||
|
|
|
||
|
|
por mm7,mm3 ; mm7=( 1 2 3 4)
|
||
|
|
por mm0,mm2 ; mm0=( 3 4 5 6)
|
||
|
|
|
||
|
|
movq mm1,mm6
|
||
|
|
movq mm5,mm4
|
||
|
|
psllq mm1,2*BYTE_BIT ; mm1=( - 0 1 2)
|
||
|
|
psrlq mm5,2*BYTE_BIT ; mm5=( 5 6 7 -)
|
||
|
|
movq mm3,mm4
|
||
|
|
psrlq mm3,(SIZEOF_MMWORD-2)*BYTE_BIT ; mm3=( 7 - - -)
|
||
|
|
|
||
|
|
por mm1, MMWORD [wk(1)] ; mm1=(-1 0 1 2)
|
||
|
|
por mm5, MMWORD [wk(3)] ; mm5=( 5 6 7 8)
|
||
|
|
|
||
|
|
movq MMWORD [wk(1)], mm3
|
||
|
|
|
||
|
|
pmullw mm6,[GOTOFF(ebx,PW_THREE)]
|
||
|
|
pmullw mm4,[GOTOFF(ebx,PW_THREE)]
|
||
|
|
paddw mm1,[GOTOFF(ebx,PW_EIGHT)]
|
||
|
|
paddw mm0,[GOTOFF(ebx,PW_EIGHT)]
|
||
|
|
paddw mm7,[GOTOFF(ebx,PW_SEVEN)]
|
||
|
|
paddw mm5,[GOTOFF(ebx,PW_SEVEN)]
|
||
|
|
|
||
|
|
paddw mm1,mm6
|
||
|
|
paddw mm0,mm4
|
||
|
|
psrlw mm1,4 ; mm1=Out1LE=( 0 2 4 6)
|
||
|
|
psrlw mm0,4 ; mm0=Out1HE=( 8 10 12 14)
|
||
|
|
paddw mm7,mm6
|
||
|
|
paddw mm5,mm4
|
||
|
|
psrlw mm7,4 ; mm7=Out1LO=( 1 3 5 7)
|
||
|
|
psrlw mm5,4 ; mm5=Out1HO=( 9 11 13 15)
|
||
|
|
|
||
|
|
psllw mm7,BYTE_BIT
|
||
|
|
psllw mm5,BYTE_BIT
|
||
|
|
por mm1,mm7 ; mm1=Out1L=( 0 1 2 3 4 5 6 7)
|
||
|
|
por mm0,mm5 ; mm0=Out1H=( 8 9 10 11 12 13 14 15)
|
||
|
|
|
||
|
|
movq MMWORD [edi+0*SIZEOF_MMWORD], mm1
|
||
|
|
movq MMWORD [edi+1*SIZEOF_MMWORD], mm0
|
||
|
|
|
||
|
|
poppic ebx
|
||
|
|
|
||
|
|
sub eax, byte SIZEOF_MMWORD
|
||
|
|
add ecx, byte 1*SIZEOF_MMWORD ; inptr1(above)
|
||
|
|
add ebx, byte 1*SIZEOF_MMWORD ; inptr0
|
||
|
|
add esi, byte 1*SIZEOF_MMWORD ; inptr1(below)
|
||
|
|
add edx, byte 2*SIZEOF_MMWORD ; outptr0
|
||
|
|
add edi, byte 2*SIZEOF_MMWORD ; outptr1
|
||
|
|
cmp eax, byte SIZEOF_MMWORD
|
||
|
|
ja near .columnloop
|
||
|
|
test eax,eax
|
||
|
|
jnz near .columnloop_last
|
||
|
|
|
||
|
|
pop esi
|
||
|
|
pop edi
|
||
|
|
pop ecx
|
||
|
|
pop eax
|
||
|
|
|
||
|
|
add esi, byte 1*SIZEOF_JSAMPROW ; input_data
|
||
|
|
add edi, byte 2*SIZEOF_JSAMPROW ; output_data
|
||
|
|
sub ecx, byte 2 ; rowctr
|
||
|
|
jg near .rowloop
|
||
|
|
|
||
|
|
emms ; empty MMX state
|
||
|
|
|
||
|
|
.return:
|
||
|
|
pop edi
|
||
|
|
pop esi
|
||
|
|
; pop edx ; need not be preserved
|
||
|
|
; pop ecx ; need not be preserved
|
||
|
|
pop ebx
|
||
|
|
mov esp,ebp ; esp <- aligned ebp
|
||
|
|
pop esp ; esp <- original ebp
|
||
|
|
pop ebp
|
||
|
|
ret
|
||
|
|
|
||
|
|
; --------------------------------------------------------------------------
|
||
|
|
;
|
||
|
|
; Fast processing for the common case of 2:1 horizontal and 1:1 vertical.
|
||
|
|
; It's still a box filter.
|
||
|
|
;
|
||
|
|
; GLOBAL(void)
|
||
|
|
; jsimd_h2v1_upsample_mmx (int max_v_samp_factor,
|
||
|
|
; JDIMENSION output_width,
|
||
|
|
; JSAMPARRAY input_data,
|
||
|
|
; JSAMPARRAY *output_data_ptr);
|
||
|
|
;
|
||
|
|
|
||
|
|
%define max_v_samp(b) (b)+8 ; int max_v_samp_factor
|
||
|
|
%define output_width(b) (b)+12 ; JDIMENSION output_width
|
||
|
|
%define input_data(b) (b)+16 ; JSAMPARRAY input_data
|
||
|
|
%define output_data_ptr(b) (b)+20 ; JSAMPARRAY *output_data_ptr
|
||
|
|
|
||
|
|
align 16
|
||
|
|
global EXTN(jsimd_h2v1_upsample_mmx)
|
||
|
|
|
||
|
|
EXTN(jsimd_h2v1_upsample_mmx):
|
||
|
|
push ebp
|
||
|
|
mov ebp,esp
|
||
|
|
; push ebx ; unused
|
||
|
|
; push ecx ; need not be preserved
|
||
|
|
; push edx ; need not be preserved
|
||
|
|
push esi
|
||
|
|
push edi
|
||
|
|
|
||
|
|
mov edx, JDIMENSION [output_width(ebp)]
|
||
|
|
add edx, byte (2*SIZEOF_MMWORD)-1
|
||
|
|
and edx, byte -(2*SIZEOF_MMWORD)
|
||
|
|
jz short .return
|
||
|
|
|
||
|
|
mov ecx, INT [max_v_samp(ebp)] ; rowctr
|
||
|
|
test ecx,ecx
|
||
|
|
jz short .return
|
||
|
|
|
||
|
|
mov esi, JSAMPARRAY [input_data(ebp)] ; input_data
|
||
|
|
mov edi, POINTER [output_data_ptr(ebp)]
|
||
|
|
mov edi, JSAMPARRAY [edi] ; output_data
|
||
|
|
alignx 16,7
|
||
|
|
.rowloop:
|
||
|
|
push edi
|
||
|
|
push esi
|
||
|
|
|
||
|
|
mov esi, JSAMPROW [esi] ; inptr
|
||
|
|
mov edi, JSAMPROW [edi] ; outptr
|
||
|
|
mov eax,edx ; colctr
|
||
|
|
alignx 16,7
|
||
|
|
.columnloop:
|
||
|
|
|
||
|
|
movq mm0, MMWORD [esi+0*SIZEOF_MMWORD]
|
||
|
|
|
||
|
|
movq mm1,mm0
|
||
|
|
punpcklbw mm0,mm0
|
||
|
|
punpckhbw mm1,mm1
|
||
|
|
|
||
|
|
movq MMWORD [edi+0*SIZEOF_MMWORD], mm0
|
||
|
|
movq MMWORD [edi+1*SIZEOF_MMWORD], mm1
|
||
|
|
|
||
|
|
sub eax, byte 2*SIZEOF_MMWORD
|
||
|
|
jz short .nextrow
|
||
|
|
|
||
|
|
movq mm2, MMWORD [esi+1*SIZEOF_MMWORD]
|
||
|
|
|
||
|
|
movq mm3,mm2
|
||
|
|
punpcklbw mm2,mm2
|
||
|
|
punpckhbw mm3,mm3
|
||
|
|
|
||
|
|
movq MMWORD [edi+2*SIZEOF_MMWORD], mm2
|
||
|
|
movq MMWORD [edi+3*SIZEOF_MMWORD], mm3
|
||
|
|
|
||
|
|
sub eax, byte 2*SIZEOF_MMWORD
|
||
|
|
jz short .nextrow
|
||
|
|
|
||
|
|
add esi, byte 2*SIZEOF_MMWORD ; inptr
|
||
|
|
add edi, byte 4*SIZEOF_MMWORD ; outptr
|
||
|
|
jmp short .columnloop
|
||
|
|
alignx 16,7
|
||
|
|
|
||
|
|
.nextrow:
|
||
|
|
pop esi
|
||
|
|
pop edi
|
||
|
|
|
||
|
|
add esi, byte SIZEOF_JSAMPROW ; input_data
|
||
|
|
add edi, byte SIZEOF_JSAMPROW ; output_data
|
||
|
|
dec ecx ; rowctr
|
||
|
|
jg short .rowloop
|
||
|
|
|
||
|
|
emms ; empty MMX state
|
||
|
|
|
||
|
|
.return:
|
||
|
|
pop edi
|
||
|
|
pop esi
|
||
|
|
; pop edx ; need not be preserved
|
||
|
|
; pop ecx ; need not be preserved
|
||
|
|
; pop ebx ; unused
|
||
|
|
pop ebp
|
||
|
|
ret
|
||
|
|
|
||
|
|
; --------------------------------------------------------------------------
|
||
|
|
;
|
||
|
|
; Fast processing for the common case of 2:1 horizontal and 2:1 vertical.
|
||
|
|
; It's still a box filter.
|
||
|
|
;
|
||
|
|
; GLOBAL(void)
|
||
|
|
; jsimd_h2v2_upsample_mmx (int max_v_samp_factor,
|
||
|
|
; JDIMENSION output_width,
|
||
|
|
; JSAMPARRAY input_data,
|
||
|
|
; JSAMPARRAY *output_data_ptr);
|
||
|
|
;
|
||
|
|
|
||
|
|
%define max_v_samp(b) (b)+8 ; int max_v_samp_factor
|
||
|
|
%define output_width(b) (b)+12 ; JDIMENSION output_width
|
||
|
|
%define input_data(b) (b)+16 ; JSAMPARRAY input_data
|
||
|
|
%define output_data_ptr(b) (b)+20 ; JSAMPARRAY *output_data_ptr
|
||
|
|
|
||
|
|
align 16
|
||
|
|
global EXTN(jsimd_h2v2_upsample_mmx)
|
||
|
|
|
||
|
|
EXTN(jsimd_h2v2_upsample_mmx):
|
||
|
|
push ebp
|
||
|
|
mov ebp,esp
|
||
|
|
push ebx
|
||
|
|
; push ecx ; need not be preserved
|
||
|
|
; push edx ; need not be preserved
|
||
|
|
push esi
|
||
|
|
push edi
|
||
|
|
|
||
|
|
mov edx, JDIMENSION [output_width(ebp)]
|
||
|
|
add edx, byte (2*SIZEOF_MMWORD)-1
|
||
|
|
and edx, byte -(2*SIZEOF_MMWORD)
|
||
|
|
jz near .return
|
||
|
|
|
||
|
|
mov ecx, INT [max_v_samp(ebp)] ; rowctr
|
||
|
|
test ecx,ecx
|
||
|
|
jz short .return
|
||
|
|
|
||
|
|
mov esi, JSAMPARRAY [input_data(ebp)] ; input_data
|
||
|
|
mov edi, POINTER [output_data_ptr(ebp)]
|
||
|
|
mov edi, JSAMPARRAY [edi] ; output_data
|
||
|
|
alignx 16,7
|
||
|
|
.rowloop:
|
||
|
|
push edi
|
||
|
|
push esi
|
||
|
|
|
||
|
|
mov esi, JSAMPROW [esi] ; inptr
|
||
|
|
mov ebx, JSAMPROW [edi+0*SIZEOF_JSAMPROW] ; outptr0
|
||
|
|
mov edi, JSAMPROW [edi+1*SIZEOF_JSAMPROW] ; outptr1
|
||
|
|
mov eax,edx ; colctr
|
||
|
|
alignx 16,7
|
||
|
|
.columnloop:
|
||
|
|
|
||
|
|
movq mm0, MMWORD [esi+0*SIZEOF_MMWORD]
|
||
|
|
|
||
|
|
movq mm1,mm0
|
||
|
|
punpcklbw mm0,mm0
|
||
|
|
punpckhbw mm1,mm1
|
||
|
|
|
||
|
|
movq MMWORD [ebx+0*SIZEOF_MMWORD], mm0
|
||
|
|
movq MMWORD [ebx+1*SIZEOF_MMWORD], mm1
|
||
|
|
movq MMWORD [edi+0*SIZEOF_MMWORD], mm0
|
||
|
|
movq MMWORD [edi+1*SIZEOF_MMWORD], mm1
|
||
|
|
|
||
|
|
sub eax, byte 2*SIZEOF_MMWORD
|
||
|
|
jz short .nextrow
|
||
|
|
|
||
|
|
movq mm2, MMWORD [esi+1*SIZEOF_MMWORD]
|
||
|
|
|
||
|
|
movq mm3,mm2
|
||
|
|
punpcklbw mm2,mm2
|
||
|
|
punpckhbw mm3,mm3
|
||
|
|
|
||
|
|
movq MMWORD [ebx+2*SIZEOF_MMWORD], mm2
|
||
|
|
movq MMWORD [ebx+3*SIZEOF_MMWORD], mm3
|
||
|
|
movq MMWORD [edi+2*SIZEOF_MMWORD], mm2
|
||
|
|
movq MMWORD [edi+3*SIZEOF_MMWORD], mm3
|
||
|
|
|
||
|
|
sub eax, byte 2*SIZEOF_MMWORD
|
||
|
|
jz short .nextrow
|
||
|
|
|
||
|
|
add esi, byte 2*SIZEOF_MMWORD ; inptr
|
||
|
|
add ebx, byte 4*SIZEOF_MMWORD ; outptr0
|
||
|
|
add edi, byte 4*SIZEOF_MMWORD ; outptr1
|
||
|
|
jmp short .columnloop
|
||
|
|
alignx 16,7
|
||
|
|
|
||
|
|
.nextrow:
|
||
|
|
pop esi
|
||
|
|
pop edi
|
||
|
|
|
||
|
|
add esi, byte 1*SIZEOF_JSAMPROW ; input_data
|
||
|
|
add edi, byte 2*SIZEOF_JSAMPROW ; output_data
|
||
|
|
sub ecx, byte 2 ; rowctr
|
||
|
|
jg short .rowloop
|
||
|
|
|
||
|
|
emms ; empty MMX state
|
||
|
|
|
||
|
|
.return:
|
||
|
|
pop edi
|
||
|
|
pop esi
|
||
|
|
; pop edx ; need not be preserved
|
||
|
|
; pop ecx ; need not be preserved
|
||
|
|
pop ebx
|
||
|
|
pop ebp
|
||
|
|
ret
|
||
|
|
|
||
|
|
; For some reason, the OS X linker does not honor the request to align the
|
||
|
|
; segment unless we do this.
|
||
|
|
align 16
|