ref: 8fcef67c70e37e3cb207a26e374a79334eda8bf7
dir: /codec/processing/src/x86/downsample_bilinear.asm/
;*!
;* \copy
;* Copyright (c) 2009-2013, Cisco Systems
;* All rights reserved.
;*
;* Redistribution and use in source and binary forms, with or without
;* modification, are permitted provided that the following conditions
;* are met:
;*
;* * Redistributions of source code must retain the above copyright
;* notice, this list of conditions and the following disclaimer.
;*
;* * Redistributions in binary form must reproduce the above copyright
;* notice, this list of conditions and the following disclaimer in
;* the documentation and/or other materials provided with the
;* distribution.
;*
;* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
;* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
;* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
;* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
;* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
;* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
;* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
;* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
;* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
;* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
;* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
;* POSSIBILITY OF SUCH DAMAGE.
;*
;*
;* upsampling.asm
;*
;* Abstract
;* SIMD for pixel domain down sampling
;*
;* History
;* 10/22/2009 Created
;*
;*************************************************************************/
%include "asm_inc.asm"
%ifdef __NASM_VER__
%use smartalign
%endif
;***********************************************************************
; Macros and other preprocessor constants
;***********************************************************************
;***********************************************************************
; Some constants
;***********************************************************************
;***********************************************************************
; Local Data (Read Only)
;***********************************************************************
SECTION .rodata align=32
;***********************************************************************
; Various memory constants (trigonometric values or rounding values)
;***********************************************************************
ALIGN 32
db80h_256:
times 32 db 80h
shufb_0000000088888888:
times 8 db 0
times 8 db 8
shufb_000044448888CCCC:
times 4 db 0
times 4 db 4
times 4 db 8
times 4 db 12
shufb_mask_low:
db 00h, 80h, 02h, 80h, 04h, 80h, 06h, 80h, 08h, 80h, 0ah, 80h, 0ch, 80h, 0eh, 80h
shufb_mask_high:
db 01h, 80h, 03h, 80h, 05h, 80h, 07h, 80h, 09h, 80h, 0bh, 80h, 0dh, 80h, 0fh, 80h
add_extra_half:
dd 16384,0,0,0
shufb_mask_quarter:
db 00h, 04h, 08h, 0ch, 80h, 80h, 80h, 80h, 01h, 05h, 09h, 0dh, 80h, 80h, 80h, 80h
shufb_mask_onethird_low_1:
db 00h, 03h, 06h, 09h, 0ch, 0fh, 80h, 80h, 80h, 80h, 80h, 80h, 80h, 80h, 80h, 80h
shufb_mask_onethird_low_2:
db 80h, 80h, 80h, 80h, 80h, 80h, 02h, 05h, 08h, 0bh, 0eh, 80h, 80h, 80h, 80h, 80h
shufb_mask_onethird_low_3:
db 80h, 80h, 80h, 80h, 80h, 80h, 80h, 80h, 80h, 80h, 80h, 01h, 04h, 07h, 0ah, 0dh
shufb_mask_onethird_high_1:
db 01h, 04h, 07h, 0ah, 0dh, 80h, 80h, 80h, 80h, 80h, 80h, 80h, 80h, 80h, 80h, 80h
shufb_mask_onethird_high_2:
db 80h, 80h, 80h, 80h, 80h, 00h, 03h, 06h, 09h, 0ch, 0fh, 80h, 80h, 80h, 80h, 80h
shufb_mask_onethird_high_3:
db 80h, 80h, 80h, 80h, 80h, 80h, 80h, 80h, 80h, 80h, 80h, 02h, 05h, 08h, 0bh, 0eh
;***********************************************************************
; Code
;***********************************************************************
SECTION .text
;***********************************************************************
; void DyadicBilinearDownsamplerWidthx32_sse( unsigned char* pDst, const int iDstStride,
; unsigned char* pSrc, const int iSrcStride,
; const int iSrcWidth, const int iSrcHeight );
;***********************************************************************
WELS_EXTERN DyadicBilinearDownsamplerWidthx32_sse
%ifdef X86_32
push r6
%assign push_num 1
%else
%assign push_num 0
%endif
LOAD_6_PARA
SIGN_EXTENSION r1, r1d
SIGN_EXTENSION r3, r3d
SIGN_EXTENSION r4, r4d
SIGN_EXTENSION r5, r5d
%ifndef X86_32
push r12
mov r12, r4
%endif
sar r5, $01 ; iSrcHeight >> 1
.yloops1:
%ifdef X86_32
mov r4, arg5
%else
mov r4, r12
%endif
sar r4, $01 ; iSrcWidth >> 1
mov r6, r4 ; iDstWidth restored at ebx
sar r4, $04 ; (iSrcWidth >> 1) / 16 ; loop count = num_of_mb
neg r6 ; - (iSrcWidth >> 1)
; each loop = source bandwidth: 32 bytes
.xloops1:
; 1st part horizonal loop: x16 bytes
; mem hi<- ->lo
;1st Line Src: mm0: d D c C b B a A mm1: h H g G f F e E
;2nd Line Src: mm2: l L k K j J i I mm3: p P o O n N m M
;=> target:
;: H G F E D C B A, P O N M L K J I
;: h g f e d c b a, p o n m l k j i
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
movq mm0, [r2] ; 1st pSrc line
movq mm1, [r2+8] ; 1st pSrc line + 8
movq mm2, [r2+r3] ; 2nd pSrc line
movq mm3, [r2+r3+8] ; 2nd pSrc line + 8
; to handle mm0, mm1, mm2, mm3
pshufw mm4, mm0, 0d8h ; d D b B c C a A ; 11011000 B
pshufw mm5, mm4, 04eh ; c C a A d D b B ; 01001110 B
punpcklbw mm4, mm5 ; d c D C b a B A
pshufw mm4, mm4, 0d8h ; d c b a D C B A ; 11011000 B: mm4
pshufw mm5, mm1, 0d8h ; h H f F g G e E ; 11011000 B
pshufw mm6, mm5, 04eh ; g G e E h H f F ; 01001110 B
punpcklbw mm5, mm6 ; h g H G f e F E
pshufw mm5, mm5, 0d8h ; h g f e H G F E ; 11011000 B: mm5
pshufw mm6, mm2, 0d8h ; l L j J k K i I ; 11011000 B
pshufw mm7, mm6, 04eh ; k K i I l L j J ; 01001110 B
punpcklbw mm6, mm7 ; l k L K j i J I
pshufw mm6, mm6, 0d8h ; l k j i L K J I ; 11011000 B: mm6
pshufw mm7, mm3, 0d8h ; p P n N o O m M ; 11011000 B
pshufw mm0, mm7, 04eh ; o O m M p P n N ; 01001110 B
punpcklbw mm7, mm0 ; p o P O n m N M
pshufw mm7, mm7, 0d8h ; p o n m P O N M ; 11011000 B: mm7
; to handle mm4, mm5, mm6, mm7
movq mm0, mm4 ;
punpckldq mm0, mm5 ; H G F E D C B A
punpckhdq mm4, mm5 ; h g f e d c b a
movq mm1, mm6
punpckldq mm1, mm7 ; P O N M L K J I
punpckhdq mm6, mm7 ; p o n m l k j i
; avg within MB horizon width (16 x 2 lines)
pavgb mm0, mm4 ; (A+a+1)>>1, .., (H+h+1)>>1, temp_row1
pavgb mm1, mm6 ; (I+i+1)>>1, .., (P+p+1)>>1, temp_row2
pavgb mm0, mm1 ; (temp_row1+temp_row2+1)>>1, pending here and wait another horizonal part done then write memory once
; 2nd part horizonal loop: x16 bytes
; mem hi<- ->lo
;1st Line Src: mm0: d D c C b B a A mm1: h H g G f F e E
;2nd Line Src: mm2: l L k K j J i I mm3: p P o O n N m M
;=> target:
;: H G F E D C B A, P O N M L K J I
;: h g f e d c b a, p o n m l k j i
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
movq mm1, [r2+16] ; 1st pSrc line + 16
movq mm2, [r2+24] ; 1st pSrc line + 24
movq mm3, [r2+r3+16] ; 2nd pSrc line + 16
movq mm4, [r2+r3+24] ; 2nd pSrc line + 24
; to handle mm1, mm2, mm3, mm4
pshufw mm5, mm1, 0d8h ; d D b B c C a A ; 11011000 B
pshufw mm6, mm5, 04eh ; c C a A d D b B ; 01001110 B
punpcklbw mm5, mm6 ; d c D C b a B A
pshufw mm5, mm5, 0d8h ; d c b a D C B A ; 11011000 B: mm5
pshufw mm6, mm2, 0d8h ; h H f F g G e E ; 11011000 B
pshufw mm7, mm6, 04eh ; g G e E h H f F ; 01001110 B
punpcklbw mm6, mm7 ; h g H G f e F E
pshufw mm6, mm6, 0d8h ; h g f e H G F E ; 11011000 B: mm6
pshufw mm7, mm3, 0d8h ; l L j J k K i I ; 11011000 B
pshufw mm1, mm7, 04eh ; k K i I l L j J ; 01001110 B
punpcklbw mm7, mm1 ; l k L K j i J I
pshufw mm7, mm7, 0d8h ; l k j i L K J I ; 11011000 B: mm7
pshufw mm1, mm4, 0d8h ; p P n N o O m M ; 11011000 B
pshufw mm2, mm1, 04eh ; o O m M p P n N ; 01001110 B
punpcklbw mm1, mm2 ; p o P O n m N M
pshufw mm1, mm1, 0d8h ; p o n m P O N M ; 11011000 B: mm1
; to handle mm5, mm6, mm7, mm1
movq mm2, mm5
punpckldq mm2, mm6 ; H G F E D C B A
punpckhdq mm5, mm6 ; h g f e d c b a
movq mm3, mm7
punpckldq mm3, mm1 ; P O N M L K J I
punpckhdq mm7, mm1 ; p o n m l k j i
; avg within MB horizon width (16 x 2 lines)
pavgb mm2, mm5 ; (A+a+1)>>1, .., (H+h+1)>>1, temp_row1
pavgb mm3, mm7 ; (I+i+1)>>1, .., (P+p+1)>>1, temp_row2
pavgb mm2, mm3 ; (temp_row1+temp_row2+1)>>1, done in another 2nd horizonal part
movq [r0 ], mm0
movq [r0+8], mm2
; next SMB
lea r2, [r2+32]
lea r0, [r0+16]
dec r4
jg near .xloops1
; next line
lea r2, [r2+2*r3] ; next end of lines
lea r2, [r2+2*r6] ; reset to base 0 [- 2 * iDstWidth]
lea r0, [r0+r1]
lea r0, [r0+r6] ; reset to base 0 [- iDstWidth]
dec r5
jg near .yloops1
WELSEMMS
%ifndef X86_32
pop r12
%endif
LOAD_6_PARA_POP
%ifdef X86_32
pop r6
%endif
ret
;***********************************************************************
; void DyadicBilinearDownsamplerWidthx16_sse( unsigned char* pDst, const int iDstStride,
; unsigned char* pSrc, const int iSrcStride,
; const int iSrcWidth, const int iSrcHeight );
;***********************************************************************
WELS_EXTERN DyadicBilinearDownsamplerWidthx16_sse
%ifdef X86_32
push r6
%assign push_num 1
%else
%assign push_num 0
%endif
LOAD_6_PARA
SIGN_EXTENSION r1, r1d
SIGN_EXTENSION r3, r3d
SIGN_EXTENSION r4, r4d
SIGN_EXTENSION r5, r5d
%ifndef X86_32
push r12
mov r12, r4
%endif
sar r5, $01 ; iSrcHeight >> 1
.yloops2:
%ifdef X86_32
mov r4, arg5
%else
mov r4, r12
%endif
sar r4, $01 ; iSrcWidth >> 1
mov r6, r4 ; iDstWidth restored at ebx
sar r4, $03 ; (iSrcWidth >> 1) / 8 ; loop count = num_of_mb
neg r6 ; - (iSrcWidth >> 1)
; each loop = source bandwidth: 16 bytes
.xloops2:
; 1st part horizonal loop: x16 bytes
; mem hi<- ->lo
;1st Line Src: mm0: d D c C b B a A mm1: h H g G f F e E
;2nd Line Src: mm2: l L k K j J i I mm3: p P o O n N m M
;=> target:
;: H G F E D C B A, P O N M L K J I
;: h g f e d c b a, p o n m l k j i
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
movq mm0, [r2] ; 1st pSrc line
movq mm1, [r2+8] ; 1st pSrc line + 8
movq mm2, [r2+r3] ; 2nd pSrc line
movq mm3, [r2+r3+8] ; 2nd pSrc line + 8
; to handle mm0, mm1, mm2, mm3
pshufw mm4, mm0, 0d8h ; d D b B c C a A ; 11011000 B
pshufw mm5, mm4, 04eh ; c C a A d D b B ; 01001110 B
punpcklbw mm4, mm5 ; d c D C b a B A
pshufw mm4, mm4, 0d8h ; d c b a D C B A ; 11011000 B: mm4
pshufw mm5, mm1, 0d8h ; h H f F g G e E ; 11011000 B
pshufw mm6, mm5, 04eh ; g G e E h H f F ; 01001110 B
punpcklbw mm5, mm6 ; h g H G f e F E
pshufw mm5, mm5, 0d8h ; h g f e H G F E ; 11011000 B: mm5
pshufw mm6, mm2, 0d8h ; l L j J k K i I ; 11011000 B
pshufw mm7, mm6, 04eh ; k K i I l L j J ; 01001110 B
punpcklbw mm6, mm7 ; l k L K j i J I
pshufw mm6, mm6, 0d8h ; l k j i L K J I ; 11011000 B: mm6
pshufw mm7, mm3, 0d8h ; p P n N o O m M ; 11011000 B
pshufw mm0, mm7, 04eh ; o O m M p P n N ; 01001110 B
punpcklbw mm7, mm0 ; p o P O n m N M
pshufw mm7, mm7, 0d8h ; p o n m P O N M ; 11011000 B: mm7
; to handle mm4, mm5, mm6, mm7
movq mm0, mm4 ;
punpckldq mm0, mm5 ; H G F E D C B A
punpckhdq mm4, mm5 ; h g f e d c b a
movq mm1, mm6
punpckldq mm1, mm7 ; P O N M L K J I
punpckhdq mm6, mm7 ; p o n m l k j i
; avg within MB horizon width (16 x 2 lines)
pavgb mm0, mm4 ; (A+a+1)>>1, .., (H+h+1)>>1, temp_row1
pavgb mm1, mm6 ; (I+i+1)>>1, .., (P+p+1)>>1, temp_row2
pavgb mm0, mm1 ; (temp_row1+temp_row2+1)>>1, pending here and wait another horizonal part done then write memory once
movq [r0 ], mm0
; next SMB
lea r2, [r2+16]
lea r0, [r0+8]
dec r4
jg near .xloops2
; next line
lea r2, [r2+2*r3] ; next end of lines
lea r2, [r2+2*r6] ; reset to base 0 [- 2 * iDstWidth]
lea r0, [r0+r1]
lea r0, [r0+r6] ; reset to base 0 [- iDstWidth]
dec r5
jg near .yloops2
WELSEMMS
%ifndef X86_32
pop r12
%endif
LOAD_6_PARA_POP
%ifdef X86_32
pop r6
%endif
ret
;***********************************************************************
; void DyadicBilinearDownsamplerWidthx8_sse( unsigned char* pDst, const int iDstStride,
; unsigned char* pSrc, const int iSrcStride,
; const int iSrcWidth, const int iSrcHeight );
;***********************************************************************
WELS_EXTERN DyadicBilinearDownsamplerWidthx8_sse
%ifdef X86_32
push r6
%assign push_num 1
%else
%assign push_num 0
%endif
LOAD_6_PARA
SIGN_EXTENSION r1, r1d
SIGN_EXTENSION r3, r3d
SIGN_EXTENSION r4, r4d
SIGN_EXTENSION r5, r5d
%ifndef X86_32
push r12
mov r12, r4
%endif
sar r5, $01 ; iSrcHeight >> 1
.yloops3:
%ifdef X86_32
mov r4, arg5
%else
mov r4, r12
%endif
sar r4, $01 ; iSrcWidth >> 1
mov r6, r4 ; iDstWidth restored at ebx
sar r4, $02 ; (iSrcWidth >> 1) / 4 ; loop count = num_of_mb
neg r6 ; - (iSrcWidth >> 1)
; each loop = source bandwidth: 8 bytes
.xloops3:
; 1st part horizonal loop: x8 bytes
; mem hi<- ->lo
;1st Line Src: mm0: d D c C b B a A
;2nd Line Src: mm1: h H g G f F e E
;=> target:
;: H G F E D C B A
;: h g f e d c b a
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
movq mm0, [r2] ; 1st pSrc line
movq mm1, [r2+r3] ; 2nd pSrc line
; to handle mm0, mm1, mm2, mm3
pshufw mm2, mm0, 0d8h ; d D b B c C a A ; 11011000 B
pshufw mm3, mm2, 04eh ; c C a A d D b B ; 01001110 B
punpcklbw mm2, mm3 ; d c D C b a B A
pshufw mm2, mm2, 0d8h ; d c b a D C B A ; 11011000 B: mm4
pshufw mm4, mm1, 0d8h ; h H f F g G e E ; 11011000 B
pshufw mm5, mm4, 04eh ; g G e E h H f F ; 01001110 B
punpcklbw mm4, mm5 ; h g H G f e F E
pshufw mm4, mm4, 0d8h ; h g f e H G F E ; 11011000 B: mm5
; to handle mm2, mm4
movq mm0, mm2 ;
punpckldq mm0, mm4 ; H G F E D C B A
punpckhdq mm2, mm4 ; h g f e d c b a
; avg within MB horizon width (16 x 2 lines)
pavgb mm0, mm2 ; (H+h+1)>>1, .., (A+a+1)>>1, temp_row1, 2
pshufw mm1, mm0, 04eh ; 01001110 B
pavgb mm0, mm1 ; (temp_row1+temp_row2+1)>>1, pending here and wait another horizonal part done then write memory once
movd [r0], mm0
; next unit
lea r2, [r2+8]
lea r0, [r0+4]
dec r4
jg near .xloops3
; next line
lea r2, [r2+2*r3] ; next end of lines
lea r2, [r2+2*r6] ; reset to base 0 [- 2 * iDstWidth]
lea r0, [r0+r1]
lea r0, [r0+r6] ; reset to base 0 [- iDstWidth]
dec r5
jg near .yloops3
WELSEMMS
%ifndef X86_32
pop r12
%endif
LOAD_6_PARA_POP
%ifdef X86_32
pop r6
%endif
ret
;***********************************************************************
; void DyadicBilinearDownsamplerWidthx32_ssse3( unsigned char* pDst, const int iDstStride,
; unsigned char* pSrc, const int iSrcStride,
; const int iSrcWidth, const int iSrcHeight );
;***********************************************************************
WELS_EXTERN DyadicBilinearDownsamplerWidthx32_ssse3
%ifdef X86_32
push r6
%assign push_num 1
%else
%assign push_num 0
%endif
LOAD_6_PARA
PUSH_XMM 4
SIGN_EXTENSION r1, r1d
SIGN_EXTENSION r3, r3d
SIGN_EXTENSION r4, r4d
SIGN_EXTENSION r5, r5d
%ifndef X86_32
push r12
mov r12, r4
%endif
sar r5, $01 ; iSrcHeight >> 1
WELS_DB1 xmm3
WELS_Zero xmm2
sar r4, $01 ; iSrcWidth >> 1
add r0, r4 ; pDst += iSrcWidth >> 1
.yloops4:
%ifdef X86_32
mov r4, arg5
%else
mov r4, r12
%endif
sar r4, $01 ; iSrcWidth >> 1
neg r4 ; -(iSrcWidth >> 1)
mov r6, r4
align 16
; each loop = source bandwidth: 32 bytes
.xloops4:
movdqa xmm0, [r2+r3]
movdqa xmm1, [r2+r3+16]
pavgb xmm0, [r2] ; avg vertical pixels 0-15
pavgb xmm1, [r2+16] ; avg vertical pixels 16-31
add r2, 32 ; pSrc += 32
pmaddubsw xmm0, xmm3 ; pairwise horizontal sum neighboring pixels 0-15
pmaddubsw xmm1, xmm3 ; pairwise horizontal sum neighboring pixels 16-31
pavgw xmm0, xmm2 ; (sum + 1) >> 1
pavgw xmm1, xmm2 ; (sum + 1) >> 1
packuswb xmm0, xmm1 ; pack words to bytes
movdqa [r0+r4], xmm0 ; store results
add r4, 16
jl .xloops4
; next line
lea r2, [r2+2*r3] ; next end of lines
lea r2, [r2+2*r6] ; reset to base 0 [- 2 * iDstWidth]
lea r0, [r0+r1]
sub r5, 1
jg .yloops4
%ifndef X86_32
pop r12
%endif
POP_XMM
LOAD_6_PARA_POP
%ifdef X86_32
pop r6
%endif
ret
;***********************************************************************
; void DyadicBilinearDownsamplerWidthx16_ssse3( unsigned char* pDst, const int iDstStride,
; unsigned char* pSrc, const int iSrcStride,
; const int iSrcWidth, const int iSrcHeight );
;***********************************************************************
WELS_EXTERN DyadicBilinearDownsamplerWidthx16_ssse3
%ifdef X86_32
push r6
%assign push_num 1
%else
%assign push_num 0
%endif
LOAD_6_PARA
PUSH_XMM 4
SIGN_EXTENSION r1, r1d
SIGN_EXTENSION r3, r3d
SIGN_EXTENSION r4, r4d
SIGN_EXTENSION r5, r5d
%ifndef X86_32
push r12
mov r12, r4
%endif
sar r5, $01 ; iSrcHeight >> 1
WELS_DB1 xmm3
WELS_Zero xmm2
add r2, r4 ; pSrc += iSrcWidth
sar r4, $01 ; iSrcWidth >> 1
add r0, r4 ; pDst += iSrcWidth >> 1
.yloops5:
%ifdef X86_32
mov r4, arg5
%else
mov r4, r12
%endif
sar r4, $01 ; iSrcWidth >> 1
neg r4 ; -(iSrcWidth >> 1)
lea r6, [r2+r3] ; pSrc + iSrcStride
align 16
; each loop = source bandwidth: 16 bytes
.xloops5:
movdqa xmm0, [r2+2*r4]
pavgb xmm0, [r6+2*r4] ; avg vertical pixels
pmaddubsw xmm0, xmm3 ; pairwise horizontal sum neighboring pixels
pavgw xmm0, xmm2 ; (sum + 1) >> 1
packuswb xmm0, xmm0 ; pack words to bytes
movlps [r0+r4], xmm0 ; store results
add r4, 8
jl .xloops5
; next line
lea r2, [r2+2*r3] ; next end of lines
lea r0, [r0+r1]
sub r5, 1
jg .yloops5
%ifndef X86_32
pop r12
%endif
POP_XMM
LOAD_6_PARA_POP
%ifdef X86_32
pop r6
%endif
ret
%ifdef X86_32
;**************************************************************************************************************
;int GeneralBilinearAccurateDownsampler_sse2( unsigned char* pDst, const int iDstStride, const int iDstWidth, const int iDstHeight,
; unsigned char* pSrc, const int iSrcStride,
; unsigned int uiScaleX, unsigned int uiScaleY );
;{
;**************************************************************************************************************
WELS_EXTERN GeneralBilinearAccurateDownsampler_sse2
push ebp
push esi
push edi
push ebx
%define pushsize 16
%define localsize 16
%define pDstData esp + pushsize + localsize + 4
%define dwDstStride esp + pushsize + localsize + 8
%define dwDstWidth esp + pushsize + localsize + 12
%define dwDstHeight esp + pushsize + localsize + 16
%define pSrcData esp + pushsize + localsize + 20
%define dwSrcStride esp + pushsize + localsize + 24
%define uiScaleX esp + pushsize + localsize + 28
%define uiScaleY esp + pushsize + localsize + 32
%define tmpHeight esp + 0
%define yInverse esp + 4
%define xInverse esp + 8
%define dstStep esp + 12
sub esp, localsize
pxor xmm0, xmm0
mov eax, [uiScaleX]
and eax, 32767
mov ebx, eax
neg ebx
and ebx, 32767
movd xmm1, eax ; uinc(uiScaleX mod 32767)
movd xmm2, ebx ; -uinc
psllq xmm1, 32
por xmm1, xmm2 ; 0 0 uinc -uinc (dword)
pshufd xmm7, xmm1, 01000100b ; xmm7: uinc -uinc uinc -uinc
mov eax, [uiScaleY]
and eax, 32767
mov ebx, eax
neg ebx
and ebx, 32767
movd xmm6, eax ; vinc(uiScaleY mod 32767)
movd xmm2, ebx ; -vinc
psllq xmm6, 32
por xmm6, xmm2 ; 0 0 vinc -vinc (dword)
pshufd xmm6, xmm6, 01010000b ; xmm6: vinc vinc -vinc -vinc
mov edx, 40003fffh
movd xmm5, edx
punpcklwd xmm5, xmm0 ; 16384 16383
pshufd xmm5, xmm5, 01000100b ; xmm5: 16384 16383 16384 16383
DOWNSAMPLE:
mov eax, [dwDstHeight]
mov edi, [pDstData]
mov edx, [dwDstStride]
mov ecx, [dwDstWidth]
sub edx, ecx
mov [dstStep], edx ; stride - width
dec eax
mov [tmpHeight], eax
mov eax, 16384
mov [yInverse], eax
pshufd xmm4, xmm5, 01010000b ; initial v to 16384 16384 16383 16383
HEIGHT:
mov eax, [yInverse]
mov esi, [pSrcData]
shr eax, 15
mul dword [dwSrcStride]
add esi, eax ; get current row address
mov ebp, esi
add ebp, [dwSrcStride]
mov eax, 16384
mov [xInverse], eax
mov ecx, [dwDstWidth]
dec ecx
movdqa xmm3, xmm5 ; initial u to 16384 16383 16384 16383
WIDTH:
mov eax, [xInverse]
shr eax, 15
movd xmm1, [esi+eax] ; xxxxxxba
movd xmm2, [ebp+eax] ; xxxxxxdc
pxor xmm0, xmm0
punpcklwd xmm1, xmm2 ; xxxxdcba
punpcklbw xmm1, xmm0 ; 0d0c0b0a
punpcklwd xmm1, xmm0 ; 000d000c000b000a
movdqa xmm2, xmm4 ; xmm2: vv(1-v)(1-v) tmpv
pmaddwd xmm2, xmm3 ; mul u(1-u)u(1-u) on xmm2
movdqa xmm0, xmm2
pmuludq xmm2, xmm1
psrlq xmm0, 32
psrlq xmm1, 32
pmuludq xmm0, xmm1
paddq xmm2, xmm0
pshufd xmm1, xmm2, 00001110b
paddq xmm2, xmm1
psrlq xmm2, 29
movd eax, xmm2
inc eax
shr eax, 1
mov [edi], al
inc edi
mov eax, [uiScaleX]
add [xInverse], eax
paddw xmm3, xmm7 ; inc u
psllw xmm3, 1
psrlw xmm3, 1
loop WIDTH
WIDTH_END:
mov eax, [xInverse]
shr eax, 15
mov cl, [esi+eax]
mov [edi], cl
inc edi
mov eax, [uiScaleY]
add [yInverse], eax
add edi, [dstStep]
paddw xmm4, xmm6 ; inc v
psllw xmm4, 1
psrlw xmm4, 1
dec dword [tmpHeight]
jg HEIGHT
LAST_ROW:
mov eax, [yInverse]
mov esi, [pSrcData]
shr eax, 15
mul dword [dwSrcStride]
add esi, eax ; get current row address
mov eax, 16384
mov [xInverse], eax
mov ecx, [dwDstWidth]
LAST_ROW_WIDTH:
mov eax, [xInverse]
shr eax, 15
mov al, [esi+eax]
mov [edi], al
inc edi
mov eax, [uiScaleX]
add [xInverse], eax
loop LAST_ROW_WIDTH
LAST_ROW_END:
add esp, localsize
pop ebx
pop edi
pop esi
pop ebp
%undef pushsize
%undef localsize
%undef pSrcData
%undef dwSrcWidth
%undef dwSrcHeight
%undef dwSrcStride
%undef pDstData
%undef dwDstWidth
%undef dwDstHeight
%undef dwDstStride
%undef uiScaleX
%undef uiScaleY
%undef tmpHeight
%undef yInverse
%undef xInverse
%undef dstStep
ret
;**************************************************************************************************************
;int GeneralBilinearFastDownsampler_sse2( unsigned char* pDst, const int iDstStride, const int iDstWidth, const int iDstHeight,
; unsigned char* pSrc, const int iSrcStride,
; unsigned int uiScaleX, unsigned int uiScaleY );
;{
;**************************************************************************************************************
WELS_EXTERN GeneralBilinearFastDownsampler_sse2
push ebp
push esi
push edi
push ebx
%define pushsize 16
%define localsize 16
%define pDstData esp + pushsize + localsize + 4
%define dwDstStride esp + pushsize + localsize + 8
%define dwDstWidth esp + pushsize + localsize + 12
%define dwDstHeight esp + pushsize + localsize + 16
%define pSrcData esp + pushsize + localsize + 20
%define dwSrcStride esp + pushsize + localsize + 24
%define uiScaleX esp + pushsize + localsize + 28
%define uiScaleY esp + pushsize + localsize + 32
%define tmpHeight esp + 0
%define yInverse esp + 4
%define xInverse esp + 8
%define dstStep esp + 12
sub esp, localsize
pxor xmm0, xmm0
mov edx, 65535
mov eax, [uiScaleX]
and eax, edx
mov ebx, eax
neg ebx
and ebx, 65535
movd xmm1, eax ; uinc(uiScaleX mod 65536)
movd xmm2, ebx ; -uinc
psllq xmm1, 32
por xmm1, xmm2 ; 0 uinc 0 -uinc
pshuflw xmm7, xmm1, 10001000b ; xmm7: uinc -uinc uinc -uinc
mov eax, [uiScaleY]
and eax, 32767
mov ebx, eax
neg ebx
and ebx, 32767
movd xmm6, eax ; vinc(uiScaleY mod 32767)
movd xmm2, ebx ; -vinc
psllq xmm6, 32
por xmm6, xmm2 ; 0 vinc 0 -vinc
pshuflw xmm6, xmm6, 10100000b ; xmm6: vinc vinc -vinc -vinc
mov edx, 80007fffh ; 32768 32767
movd xmm5, edx
pshuflw xmm5, xmm5, 01000100b ; 32768 32767 32768 32767
mov ebx, 16384
FAST_DOWNSAMPLE:
mov eax, [dwDstHeight]
mov edi, [pDstData]
mov edx, [dwDstStride]
mov ecx, [dwDstWidth]
sub edx, ecx
mov [dstStep], edx ; stride - width
dec eax
mov [tmpHeight], eax
mov eax, 16384
mov [yInverse], eax
pshuflw xmm4, xmm5, 01010000b
psrlw xmm4, 1 ; initial v to 16384 16384 16383 16383
FAST_HEIGHT:
mov eax, [yInverse]
mov esi, [pSrcData]
shr eax, 15
mul dword [dwSrcStride]
add esi, eax ; get current row address
mov ebp, esi
add ebp, [dwSrcStride]
mov eax, 32768
mov [xInverse], eax
mov ecx, [dwDstWidth]
dec ecx
movdqa xmm3, xmm5 ; initial u to 32768 32767 32768 32767
FAST_WIDTH:
mov eax, [xInverse]
shr eax, 16
movd xmm1, [esi+eax] ; xxxxxxba
movd xmm2, [ebp+eax] ; xxxxxxdc
punpcklwd xmm1, xmm2 ; xxxxdcba
punpcklbw xmm1, xmm0 ; 0d0c0b0a
movdqa xmm2, xmm4 ; xmm2: vv(1-v)(1-v) tmpv
pmulhuw xmm2, xmm3 ; mul u(1-u)u(1-u) on xmm2
pmaddwd xmm2, xmm1
pshufd xmm1, xmm2, 00000001b
paddd xmm2, xmm1
movd xmm1, ebx
paddd xmm2, xmm1
psrld xmm2, 15
packuswb xmm2, xmm0
movd eax, xmm2
mov [edi], al
inc edi
mov eax, [uiScaleX]
add [xInverse], eax
paddw xmm3, xmm7 ; inc u
loop FAST_WIDTH
FAST_WIDTH_END:
mov eax, [xInverse]
shr eax, 16
mov cl, [esi+eax]
mov [edi], cl
inc edi
mov eax, [uiScaleY]
add [yInverse], eax
add edi, [dstStep]
paddw xmm4, xmm6 ; inc v
psllw xmm4, 1
psrlw xmm4, 1
dec dword [tmpHeight]
jg FAST_HEIGHT
FAST_LAST_ROW:
mov eax, [yInverse]
mov esi, [pSrcData]
shr eax, 15
mul dword [dwSrcStride]
add esi, eax ; get current row address
mov eax, 32768
mov [xInverse], eax
mov ecx, [dwDstWidth]
FAST_LAST_ROW_WIDTH:
mov eax, [xInverse]
shr eax, 16
mov al, [esi+eax]
mov [edi], al
inc edi
mov eax, [uiScaleX]
add [xInverse], eax
loop FAST_LAST_ROW_WIDTH
FAST_LAST_ROW_END:
add esp, localsize
pop ebx
pop edi
pop esi
pop ebp
%undef pushsize
%undef localsize
%undef pSrcData
%undef dwSrcWidth
%undef dwSrcHeight
%undef dwSrcStride
%undef pDstData
%undef dwDstStride
%undef uiScaleX
%undef uiScaleY
%undef tmpHeight
%undef yInverse
%undef xInverse
%undef dstStep
ret
%elifdef WIN64
;**************************************************************************************************************
;int GeneralBilinearAccurateDownsampler_sse2( unsigned char* pDst, const int iDstStride, const int iDstWidth, const int iDstHeight,
; unsigned char* pSrc, const int iSrcStride,
; unsigned int uiScaleX, unsigned int uiScaleY );
;{
;**************************************************************************************************************
WELS_EXTERN GeneralBilinearAccurateDownsampler_sse2
push r12
push r13
push r14
push r15
push rsi
push rdi
push rbx
push rbp
%assign push_num 8
LOAD_7_PARA
PUSH_XMM 8
SIGN_EXTENSION r1, r1d
SIGN_EXTENSION r2, r2d
SIGN_EXTENSION r3, r3d
SIGN_EXTENSION r5, r5d
SIGN_EXTENSION r6, r6d
pxor xmm0, xmm0
mov r12d, r6d
and r12d, 32767
mov r13d, r12d
neg r13d
and r13d, 32767
movd xmm1, r12d ; uinc(uiScaleX mod 32767)
movd xmm2, r13d ; -uinc
psllq xmm1, 32
por xmm1, xmm2 ; 0 0 uinc -uinc (dword)
pshufd xmm7, xmm1, 01000100b ; xmm7: uinc -uinc uinc -uinc
mov r12, arg8
SIGN_EXTENSION r12, r12d
mov rbp, r12
and r12d, 32767
mov r13d, r12d
neg r13d
and r13d, 32767
movd xmm6, r12d ; vinc(uiScaleY mod 32767)
movd xmm2, r13d ; -vinc
psllq xmm6, 32
por xmm6, xmm2 ; 0 0 vinc -vinc (dword)
pshufd xmm6, xmm6, 01010000b ; xmm6: vinc vinc -vinc -vinc
mov r12d, 40003fffh
movd xmm5, r12d
punpcklwd xmm5, xmm0 ; 16384 16383
pshufd xmm5, xmm5, 01000100b ; xmm5: 16384 16383 16384 16383
DOWNSAMPLE:
sub r1, r2 ; stride - width
dec r3
mov r14,16384
pshufd xmm4, xmm5, 01010000b ; initial v to 16384 16384 16383 16383
HEIGHT:
;mov r12, r4
mov r12, r14
shr r12, 15
imul r12, r5
add r12, r4 ; get current row address
mov r13, r12
add r13, r5
mov r15, 16384
mov rsi, r2
dec rsi
movdqa xmm3, xmm5 ; initial u to 16384 16383 16384 16383
WIDTH:
mov rdi, r15
shr rdi, 15
movd xmm1, [r12+rdi] ; xxxxxxba
movd xmm2, [r13+rdi] ; xxxxxxdc
pxor xmm0, xmm0
punpcklwd xmm1, xmm2 ; xxxxdcba
punpcklbw xmm1, xmm0 ; 0d0c0b0a
punpcklwd xmm1, xmm0 ; 000d000c000b000a
movdqa xmm2, xmm4 ; xmm2: vv(1-v)(1-v) tmpv
pmaddwd xmm2, xmm3 ; mul u(1-u)u(1-u) on xmm2
movdqa xmm0, xmm2
pmuludq xmm2, xmm1
psrlq xmm0, 32
psrlq xmm1, 32
pmuludq xmm0, xmm1
paddq xmm2, xmm0
pshufd xmm1, xmm2, 00001110b
paddq xmm2, xmm1
psrlq xmm2, 29
movd ebx, xmm2
inc ebx
shr ebx, 1
mov [r0], bl
inc r0
add r15, r6
paddw xmm3, xmm7 ; inc u
psllw xmm3, 1
psrlw xmm3, 1
dec rsi
jg WIDTH
WIDTH_END:
shr r15, 15
mov bl, [r12+r15]
mov [r0],bl
inc r0
add r14, rbp
add r0, r1
paddw xmm4, xmm6 ; inc v
psllw xmm4, 1
psrlw xmm4, 1
dec r3
jg HEIGHT
LAST_ROW:
shr r14, 15
imul r14, r5
add r4, r14
mov r15, 16384
LAST_ROW_WIDTH:
mov rdi, r15
shr rdi, 15
mov bl, [r4+rdi]
mov [r0],bl
inc r0
add r15, r6
dec r2
jg LAST_ROW_WIDTH
LAST_ROW_END:
POP_XMM
pop rbp
pop rbx
pop rdi
pop rsi
pop r15
pop r14
pop r13
pop r12
ret
;**************************************************************************************************************
;int GeneralBilinearFastDownsampler_sse2( unsigned char* pDst, const int iDstStride, const int iDstWidth, const int iDstHeight,
; unsigned char* pSrc, const int iSrcStride,
; unsigned int uiScaleX, unsigned int uiScaleY );
;{
;**************************************************************************************************************
WELS_EXTERN GeneralBilinearFastDownsampler_sse2
push r12
push r13
push r14
push r15
push rsi
push rdi
push rbx
push rbp
%assign push_num 8
LOAD_7_PARA
PUSH_XMM 8
SIGN_EXTENSION r1, r1d
SIGN_EXTENSION r2, r2d
SIGN_EXTENSION r3, r3d
SIGN_EXTENSION r5, r5d
SIGN_EXTENSION r6, r6d
pxor xmm0, xmm0
mov r12d, r6d
and r12d, 65535
mov r13d, r12d
neg r13d
and r13d, 65535
movd xmm1, r12d ; uinc(uiScaleX mod 65536)
movd xmm2, r13d ; -uinc
psllq xmm1, 32
por xmm1, xmm2 ; 0 uinc 0 -uinc
pshuflw xmm7, xmm1, 10001000b ; xmm7: uinc -uinc uinc -uinc
mov r12, arg8
SIGN_EXTENSION r12, r12d
mov rbp, r12
and r12d, 32767
mov r13d, r12d
neg r13d
and r13d, 32767
movd xmm6, r12d ; vinc(uiScaleY mod 32767)
movd xmm2, r13d ; -vinc
psllq xmm6, 32
por xmm6, xmm2 ; 0 vinc 0 -vinc
pshuflw xmm6, xmm6, 10100000b ; xmm6: vinc vinc -vinc -vinc
mov r12d, 80007fffh ; 32768 32767
movd xmm5, r12d
pshuflw xmm5, xmm5, 01000100b ; 32768 32767 32768 32767
FAST_DOWNSAMPLE:
sub r1, r2 ; stride - width
dec r3
mov r14,16384
pshuflw xmm4, xmm5, 01010000b
psrlw xmm4, 1 ; initial v to 16384 16384 16383 16383
FAST_HEIGHT:
mov r12, r14
shr r12, 15
imul r12, r5
add r12, r4 ; get current row address
mov r13, r12
add r13, r5
mov r15, 32768
mov rsi, r2
dec rsi
movdqa xmm3, xmm5 ; initial u to 32768 32767 32768 32767
FAST_WIDTH:
mov rdi, r15
shr rdi, 16
movd xmm1, [r12+rdi] ; xxxxxxba
movd xmm2, [r13+rdi] ; xxxxxxdc
punpcklwd xmm1, xmm2 ; xxxxdcba
punpcklbw xmm1, xmm0 ; 0d0c0b0a
movdqa xmm2, xmm4 ; xmm2: vv(1-v)(1-v) tmpv
pmulhuw xmm2, xmm3 ; mul u(1-u)u(1-u) on xmm2
pmaddwd xmm2, xmm1
pshufd xmm1, xmm2, 00000001b
paddd xmm2, xmm1
movdqa xmm1, [add_extra_half]
paddd xmm2, xmm1
psrld xmm2, 15
packuswb xmm2, xmm0
movd ebx, xmm2
mov [r0], bl
inc r0
add r15, r6
paddw xmm3, xmm7 ; inc u
dec rsi
jg FAST_WIDTH
FAST_WIDTH_END:
shr r15, 16
mov bl, [r12+r15]
mov [r0],bl
inc r0
add r14, rbp
add r0, r1
paddw xmm4, xmm6 ; inc v
psllw xmm4, 1
psrlw xmm4, 1
dec r3
jg FAST_HEIGHT
FAST_LAST_ROW:
shr r14, 15
imul r14, r5
add r4, r14
mov r15, 32768
FAST_LAST_ROW_WIDTH:
mov rdi, r15
shr rdi, 16
mov bl, [r4+rdi]
mov [r0],bl
inc r0
add r15, r6
dec r2
jg FAST_LAST_ROW_WIDTH
FAST_LAST_ROW_END:
POP_XMM
pop rbp
pop rbx
pop rdi
pop rsi
pop r15
pop r14
pop r13
pop r12
ret
%elifdef UNIX64
;**************************************************************************************************************
;int GeneralBilinearAccurateDownsampler_sse2( unsigned char* pDst, const int iDstStride, const int iDstWidth, const int iDstHeight,
; unsigned char* pSrc, const int iSrcStride,
; unsigned int uiScaleX, unsigned int uiScaleY );
;{
;**************************************************************************************************************
WELS_EXTERN GeneralBilinearAccurateDownsampler_sse2
push r12
push r13
push r14
push r15
push rbx
push rbp
%assign push_num 6
LOAD_7_PARA
SIGN_EXTENSION r1, r1d
SIGN_EXTENSION r2, r2d
SIGN_EXTENSION r3, r3d
SIGN_EXTENSION r5, r5d
SIGN_EXTENSION r6, r6d
pxor xmm0, xmm0
mov r12d, r6d
and r12d, 32767
mov r13d, r12d
neg r13d
and r13d, 32767
movd xmm1, r12d ; uinc(uiScaleX mod 32767)
movd xmm2, r13d ; -uinc
psllq xmm1, 32
por xmm1, xmm2 ; 0 0 uinc -uinc (dword)
pshufd xmm7, xmm1, 01000100b ; xmm7: uinc -uinc uinc -uinc
mov r12, arg8
SIGN_EXTENSION r12, r12d
mov rbp, r12
and r12d, 32767
mov r13d, r12d
neg r13d
and r13d, 32767
movd xmm6, r12d ; vinc(uiScaleY mod 32767)
movd xmm2, r13d ; -vinc
psllq xmm6, 32
por xmm6, xmm2 ; 0 0 vinc -vinc (dword)
pshufd xmm6, xmm6, 01010000b ; xmm6: vinc vinc -vinc -vinc
mov r12d, 40003fffh
movd xmm5, r12d
punpcklwd xmm5, xmm0 ; 16384 16383
pshufd xmm5, xmm5, 01000100b ; xmm5: 16384 16383 16384 16383
DOWNSAMPLE:
sub r1, r2 ; stride - width
dec r3
mov r14,16384
pshufd xmm4, xmm5, 01010000b ; initial v to 16384 16384 16383 16383
HEIGHT:
;mov r12, r4
mov r12, r14
shr r12, 15
imul r12, r5
add r12, r4 ; get current row address
mov r13, r12
add r13, r5
mov r15, 16384
mov rax, r2
dec rax
movdqa xmm3, xmm5 ; initial u to 16384 16383 16384 16383
WIDTH:
mov r11, r15
shr r11, 15
movd xmm1, [r12+r11] ; xxxxxxba
movd xmm2, [r13+r11] ; xxxxxxdc
pxor xmm0, xmm0
punpcklwd xmm1, xmm2 ; xxxxdcba
punpcklbw xmm1, xmm0 ; 0d0c0b0a
punpcklwd xmm1, xmm0 ; 000d000c000b000a
movdqa xmm2, xmm4 ; xmm2: vv(1-v)(1-v) tmpv
pmaddwd xmm2, xmm3 ; mul u(1-u)u(1-u) on xmm2
movdqa xmm0, xmm2
pmuludq xmm2, xmm1
psrlq xmm0, 32
psrlq xmm1, 32
pmuludq xmm0, xmm1
paddq xmm2, xmm0
pshufd xmm1, xmm2, 00001110b
paddq xmm2, xmm1
psrlq xmm2, 29
movd ebx, xmm2
inc ebx
shr ebx, 1
mov [r0], bl
inc r0
add r15, r6
paddw xmm3, xmm7 ; inc u
psllw xmm3, 1
psrlw xmm3, 1
dec rax
jg WIDTH
WIDTH_END:
shr r15, 15
mov bl, [r12+r15]
mov [r0],bl
inc r0
add r14, rbp
add r0, r1
paddw xmm4, xmm6 ; inc v
psllw xmm4, 1
psrlw xmm4, 1
dec r3
jg HEIGHT
LAST_ROW:
shr r14, 15
imul r14, r5
add r4, r14
mov r15, 16384
LAST_ROW_WIDTH:
mov r11, r15
shr r11, 15
mov bl, [r4+r11]
mov [r0],bl
inc r0
add r15, r6
dec r2
jg LAST_ROW_WIDTH
LAST_ROW_END:
pop rbp
pop rbx
pop r15
pop r14
pop r13
pop r12
ret
;**************************************************************************************************************
;int GeneralBilinearFastDownsampler_sse2( unsigned char* pDst, const int iDstStride, const int iDstWidth, const int iDstHeight,
; unsigned char* pSrc, const int iSrcStride,
; unsigned int uiScaleX, unsigned int uiScaleY );
;{
;**************************************************************************************************************
WELS_EXTERN GeneralBilinearFastDownsampler_sse2
push r12
push r13
push r14
push r15
push rbx
push rbp
%assign push_num 6
LOAD_7_PARA
SIGN_EXTENSION r1, r1d
SIGN_EXTENSION r2, r2d
SIGN_EXTENSION r3, r3d
SIGN_EXTENSION r5, r5d
SIGN_EXTENSION r6, r6d
pxor xmm0, xmm0
mov r12d, r6d
and r12d, 65535
mov r13d, r12d
neg r13d
and r13d, 65535
movd xmm1, r12d ; uinc(uiScaleX mod 65536)
movd xmm2, r13d ; -uinc
psllq xmm1, 32
por xmm1, xmm2 ; 0 uinc 0 -uinc
pshuflw xmm7, xmm1, 10001000b ; xmm7: uinc -uinc uinc -uinc
mov r12, arg8
SIGN_EXTENSION r12, r12d
mov rbp, r12
and r12d, 32767
mov r13d, r12d
neg r13d
and r13d, 32767
movd xmm6, r12d ; vinc(uiScaleY mod 32767)
movd xmm2, r13d ; -vinc
psllq xmm6, 32
por xmm6, xmm2 ; 0 vinc 0 -vinc
pshuflw xmm6, xmm6, 10100000b ; xmm6: vinc vinc -vinc -vinc
mov r12d, 80007fffh ; 32768 32767
movd xmm5, r12d
pshuflw xmm5, xmm5, 01000100b ; 32768 32767 32768 32767
FAST_DOWNSAMPLE:
sub r1, r2 ; stride - width
dec r3
mov r14,16384
pshuflw xmm4, xmm5, 01010000b
psrlw xmm4, 1 ; initial v to 16384 16384 16383 16383
FAST_HEIGHT:
mov r12, r14
shr r12, 15
imul r12, r5
add r12, r4 ; get current row address
mov r13, r12
add r13, r5
mov r15, 32768
mov rax, r2
dec rax
movdqa xmm3, xmm5 ; initial u to 32768 32767 32768 32767
FAST_WIDTH:
mov r11, r15
shr r11, 16
movd xmm1, [r12+r11] ; xxxxxxba
movd xmm2, [r13+r11] ; xxxxxxdc
punpcklwd xmm1, xmm2 ; xxxxdcba
punpcklbw xmm1, xmm0 ; 0d0c0b0a
movdqa xmm2, xmm4 ; xmm2: vv(1-v)(1-v) tmpv
pmulhuw xmm2, xmm3 ; mul u(1-u)u(1-u) on xmm2
pmaddwd xmm2, xmm1
pshufd xmm1, xmm2, 00000001b
paddd xmm2, xmm1
movdqa xmm1, [add_extra_half]
paddd xmm2, xmm1
psrld xmm2, 15
packuswb xmm2, xmm0
movd ebx, xmm2
mov [r0], bl
inc r0
add r15, r6
paddw xmm3, xmm7 ; inc u
dec rax
jg FAST_WIDTH
FAST_WIDTH_END:
shr r15, 16
mov bl, [r12+r15]
mov [r0],bl
inc r0
add r14, rbp
add r0, r1
paddw xmm4, xmm6 ; inc v
psllw xmm4, 1
psrlw xmm4, 1
dec r3
jg FAST_HEIGHT
FAST_LAST_ROW:
shr r14, 15
imul r14, r5
add r4, r14
mov r15, 32768
FAST_LAST_ROW_WIDTH:
mov r11, r15
shr r11, 16
mov bl, [r4+r11]
mov [r0],bl
inc r0
add r15, r6
dec r2
jg FAST_LAST_ROW_WIDTH
FAST_LAST_ROW_END:
pop rbp
pop rbx
pop r15
pop r14
pop r13
pop r12
ret
%endif
;***********************************************************************
; void DyadicBilinearOneThirdDownsampler_ssse3( unsigned char* pDst, const int iDstStride,
; unsigned char* pSrc, const int iSrcStride,
; const int iSrcWidth, const int iSrcHeight );
;***********************************************************************
WELS_EXTERN DyadicBilinearOneThirdDownsampler_ssse3
%ifdef X86_32
push r6
%assign push_num 1
%else
%assign push_num 0
%endif
LOAD_6_PARA
PUSH_XMM 8
SIGN_EXTENSION r1, r1d
SIGN_EXTENSION r3, r3d
SIGN_EXTENSION r4, r4d
SIGN_EXTENSION r5, r5d
%ifndef X86_32
push r12
mov r12, r4
%endif
mov r6, r1 ;Save the tailer for the unasigned size
imul r6, r5
add r6, r0
movdqa xmm7, [r6]
.yloops_onethird_sse3:
%ifdef X86_32
mov r4, arg5
%else
mov r4, r12
%endif
mov r6, r0 ;save base address
; each loop = source bandwidth: 48 bytes
.xloops_onethird_sse3:
; 1st part horizonal loop: x48 bytes
; mem hi<- ->lo
;1st Line Src: xmm0: F * e E * d D * c C * b B * a A
; xmm2: k K * j J * i I * h H * g G * f
; xmm2: * p P * o O * n N * m M * l L *
;
;2nd Line Src: xmm2: F' * e' E' * d' D' * c' C' * b' B' * a' A'
; xmm1: k' K' * j' J' * i' I' * h' H' * g' G' * f'
; xmm1: * p' P' * o' O' * n' N' * m' M' * l' L' *
;=> target:
;: P O N M L K J I H G F E D C B A
;: p o n m l k j i h g f e d c b a
;: P' .. A'
;: p' .. a'
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;1st line
movdqa xmm0, [r2] ;F * e E * d D * c C * b B * a A
movdqa xmm1, xmm0
movdqa xmm5, [shufb_mask_onethird_low_1]
movdqa xmm6, [shufb_mask_onethird_high_1]
pshufb xmm0, xmm5 ;0 0 0 0 0 0 0 0 0 0 F E D C B A -> xmm0
pshufb xmm1, xmm6 ;0 0 0 0 0 0 0 0 0 0 0 e d c b a -> xmm1
movdqa xmm2, [r2+16] ;k K * j J * i I * h H * g G * f
movdqa xmm3, xmm2
movdqa xmm5, [shufb_mask_onethird_low_2]
movdqa xmm6, [shufb_mask_onethird_high_2]
pshufb xmm2, xmm5 ;0 0 0 0 0 K J I H G 0 0 0 0 0 0 -> xmm2
pshufb xmm3, xmm6 ;0 0 0 0 0 k j i h g f 0 0 0 0 0 -> xmm3
paddusb xmm0, xmm2 ;0 0 0 0 0 K J I H G F E D C B A -> xmm0
paddusb xmm1, xmm3 ;0 0 0 0 0 k j i h g f e d c b a -> xmm1
movdqa xmm2, [r2+32] ;* p P * o O * n N * m M * l L *
movdqa xmm3, xmm2
movdqa xmm5, [shufb_mask_onethird_low_3]
movdqa xmm6, [shufb_mask_onethird_high_3]
pshufb xmm2, xmm5 ;P O N M L 0 0 0 0 0 0 0 0 0 0 0 -> xmm2
pshufb xmm3, xmm6 ;p o n m l 0 0 0 0 0 0 0 0 0 0 0 -> xmm3
paddusb xmm0, xmm2 ;P O N M L K J I H G F E D C B A -> xmm0
paddusb xmm1, xmm3 ;p o n m l k j i h g f e d c b a -> xmm1
pavgb xmm0, xmm1 ;1st line average -> xmm0
;2nd line
movdqa xmm2, [r2+r3] ;F' * e' E' * d' D' * c' C' * b' B' * a' A'
movdqa xmm3, xmm2
movdqa xmm5, [shufb_mask_onethird_low_1]
movdqa xmm6, [shufb_mask_onethird_high_1]
pshufb xmm2, xmm5 ;0 0 0 0 0 0 0 0 0 0 F' E' D' C' B' A' -> xmm2
pshufb xmm3, xmm6 ;0 0 0 0 0 0 0 0 0 0 0 e' d' c' b' a' -> xmm3
movdqa xmm1, [r2+r3+16] ;k' K' * j' J' * i' I' * h' H' * g' G' * f'
movdqa xmm4, xmm1
movdqa xmm5, [shufb_mask_onethird_low_2]
movdqa xmm6, [shufb_mask_onethird_high_2]
pshufb xmm1, xmm5 ;0 0 0 0 0 K' J' I' H' G' 0 0 0 0 0 0 -> xmm1
pshufb xmm4, xmm6 ;0 0 0 0 0 k' j' i' h' g' f' 0 0 0 0 0 -> xmm4
paddusb xmm2, xmm1 ;0 0 0 0 0 K' J' I' H' G' F' E' D' C' B' A' -> xmm2
paddusb xmm3, xmm4 ;0 0 0 0 0 k' j' i' h' g' f' e' d' c' b' a' -> xmm3
movdqa xmm1, [r2+r3+32] ; * p' P' * o' O' * n' N' * m' M' * l' L' *
movdqa xmm4, xmm1
movdqa xmm5, [shufb_mask_onethird_low_3]
movdqa xmm6, [shufb_mask_onethird_high_3]
pshufb xmm1, xmm5 ;P' O' N' M' L' 0 0 0 0 0 0 0 0 0 0 0 -> xmm1
pshufb xmm4, xmm6 ;p' o' n' m' l' 0 0 0 0 0 0 0 0 0 0 0 -> xmm4
paddusb xmm2, xmm1 ;P' O' N' M' L' K' J' I' H' G' F' E' D' C' B' A' -> xmm2
paddusb xmm3, xmm4 ;p' o' n' m' l' k' j' i' h' g' f' e' d' c' b' a' -> xmm3
pavgb xmm2, xmm3 ;2nd line average -> xmm2
pavgb xmm0, xmm2 ; bytes-average(1st line , 2nd line )
; write pDst
movdqa [r0], xmm0 ;write result in dst
; next SMB
lea r2, [r2+48] ;current src address
lea r0, [r0+16] ;current dst address
sub r4, 48 ;xloops counter
cmp r4, 0
jg near .xloops_onethird_sse3
sub r6, r0 ;offset = base address - current address
lea r2, [r2+2*r3] ;
lea r2, [r2+r3] ;
lea r2, [r2+2*r6] ;current line + 3 lines
lea r2, [r2+r6]
lea r0, [r0+r1]
lea r0, [r0+r6] ;current dst lien + 1 line
dec r5
jg near .yloops_onethird_sse3
movdqa [r0], xmm7 ;restore the tailer for the unasigned size
%ifndef X86_32
pop r12
%endif
POP_XMM
LOAD_6_PARA_POP
%ifdef X86_32
pop r6
%endif
ret
;***********************************************************************
; void DyadicBilinearOneThirdDownsampler_sse4( unsigned char* pDst, const int iDstStride,
; unsigned char* pSrc, const int iSrcStride,
; const int iSrcWidth, const int iSrcHeight );
;***********************************************************************
WELS_EXTERN DyadicBilinearOneThirdDownsampler_sse4
%ifdef X86_32
push r6
%assign push_num 1
%else
%assign push_num 0
%endif
LOAD_6_PARA
PUSH_XMM 8
SIGN_EXTENSION r1, r1d
SIGN_EXTENSION r3, r3d
SIGN_EXTENSION r4, r4d
SIGN_EXTENSION r5, r5d
%ifndef X86_32
push r12
mov r12, r4
%endif
mov r6, r1 ;Save the tailer for the unasigned size
imul r6, r5
add r6, r0
movdqa xmm7, [r6]
.yloops_onethird_sse4:
%ifdef X86_32
mov r4, arg5
%else
mov r4, r12
%endif
mov r6, r0 ;save base address
; each loop = source bandwidth: 48 bytes
.xloops_onethird_sse4:
; 1st part horizonal loop: x48 bytes
; mem hi<- ->lo
;1st Line Src: xmm0: F * e E * d D * c C * b B * a A
; xmm2: k K * j J * i I * h H * g G * f
; xmm2: * p P * o O * n N * m M * l L *
;
;2nd Line Src: xmm2: F' * e' E' * d' D' * c' C' * b' B' * a' A'
; xmm1: k' K' * j' J' * i' I' * h' H' * g' G' * f'
; xmm1: * p' P' * o' O' * n' N' * m' M' * l' L' *
;=> target:
;: P O N M L K J I H G F E D C B A
;: p o n m l k j i h g f e d c b a
;: P' .. A'
;: p' .. a'
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;1st line
movntdqa xmm0, [r2] ;F * e E * d D * c C * b B * a A
movdqa xmm1, xmm0
movdqa xmm5, [shufb_mask_onethird_low_1]
movdqa xmm6, [shufb_mask_onethird_high_1]
pshufb xmm0, xmm5 ;0 0 0 0 0 0 0 0 0 0 F E D C B A -> xmm0
pshufb xmm1, xmm6 ;0 0 0 0 0 0 0 0 0 0 0 e d c b a -> xmm1
movntdqa xmm2, [r2+16] ;k K * j J * i I * h H * g G * f
movdqa xmm3, xmm2
movdqa xmm5, [shufb_mask_onethird_low_2]
movdqa xmm6, [shufb_mask_onethird_high_2]
pshufb xmm2, xmm5 ;0 0 0 0 0 K J I H G 0 0 0 0 0 0 -> xmm2
pshufb xmm3, xmm6 ;0 0 0 0 0 k j i h g f 0 0 0 0 0 -> xmm3
paddusb xmm0, xmm2 ;0 0 0 0 0 K J I H G F E D C B A -> xmm0
paddusb xmm1, xmm3 ;0 0 0 0 0 k j i h g f e d c b a -> xmm1
movntdqa xmm2, [r2+32] ;* p P * o O * n N * m M * l L *
movdqa xmm3, xmm2
movdqa xmm5, [shufb_mask_onethird_low_3]
movdqa xmm6, [shufb_mask_onethird_high_3]
pshufb xmm2, xmm5 ;P O N M L 0 0 0 0 0 0 0 0 0 0 0 -> xmm2
pshufb xmm3, xmm6 ;p o n m l 0 0 0 0 0 0 0 0 0 0 0 -> xmm3
paddusb xmm0, xmm2 ;P O N M L K J I H G F E D C B A -> xmm0
paddusb xmm1, xmm3 ;p o n m l k j i h g f e d c b a -> xmm1
pavgb xmm0, xmm1 ;1st line average -> xmm0
;2nd line
movntdqa xmm2, [r2+r3] ;F' * e' E' * d' D' * c' C' * b' B' * a' A'
movdqa xmm3, xmm2
movdqa xmm5, [shufb_mask_onethird_low_1]
movdqa xmm6, [shufb_mask_onethird_high_1]
pshufb xmm2, xmm5 ;0 0 0 0 0 0 0 0 0 0 F' E' D' C' B' A' -> xmm2
pshufb xmm3, xmm6 ;0 0 0 0 0 0 0 0 0 0 0 e' d' c' b' a' -> xmm3
movntdqa xmm1, [r2+r3+16] ;k' K' * j' J' * i' I' * h' H' * g' G' * f'
movdqa xmm4, xmm1
movdqa xmm5, [shufb_mask_onethird_low_2]
movdqa xmm6, [shufb_mask_onethird_high_2]
pshufb xmm1, xmm5 ;0 0 0 0 0 K' J' I' H' G' 0 0 0 0 0 0 -> xmm1
pshufb xmm4, xmm6 ;0 0 0 0 0 k' j' i' h' g' f' 0 0 0 0 0 -> xmm4
paddusb xmm2, xmm1 ;0 0 0 0 0 K' J' I' H' G' F' E' D' C' B' A' -> xmm2
paddusb xmm3, xmm4 ;0 0 0 0 0 k' j' i' h' g' f' e' d' c' b' a' -> xmm3
movntdqa xmm1, [r2+r3+32] ; * p' P' * o' O' * n' N' * m' M' * l' L' *
movdqa xmm4, xmm1
movdqa xmm5, [shufb_mask_onethird_low_3]
movdqa xmm6, [shufb_mask_onethird_high_3]
pshufb xmm1, xmm5 ;P' O' N' M' L' 0 0 0 0 0 0 0 0 0 0 0 -> xmm1
pshufb xmm4, xmm6 ;p' o' n' m' l' 0 0 0 0 0 0 0 0 0 0 0 -> xmm4
paddusb xmm2, xmm1 ;P' O' N' M' L' K' J' I' H' G' F' E' D' C' B' A' -> xmm2
paddusb xmm3, xmm4 ;p' o' n' m' l' k' j' i' h' g' f' e' d' c' b' a' -> xmm3
pavgb xmm2, xmm3 ;2nd line average -> xmm2
pavgb xmm0, xmm2 ; bytes-average(1st line , 2nd line )
; write pDst
movdqa [r0], xmm0 ;write result in dst
; next SMB
lea r2, [r2+48] ;current src address
lea r0, [r0+16] ;current dst address
sub r4, 48 ;xloops counter
cmp r4, 0
jg near .xloops_onethird_sse4
sub r6, r0 ;offset = base address - current address
lea r2, [r2+2*r3] ;
lea r2, [r2+r3] ;
lea r2, [r2+2*r6] ;current line + 3 lines
lea r2, [r2+r6]
lea r0, [r0+r1]
lea r0, [r0+r6] ;current dst lien + 1 line
dec r5
jg near .yloops_onethird_sse4
movdqa [r0], xmm7 ;restore the tailer for the unasigned size
%ifndef X86_32
pop r12
%endif
POP_XMM
LOAD_6_PARA_POP
%ifdef X86_32
pop r6
%endif
ret
;***********************************************************************
; void DyadicBilinearQuarterDownsampler_sse( unsigned char* pDst, const int iDstStride,
; unsigned char* pSrc, const int iSrcStride,
; const int iSrcWidth, const int iSrcHeight );
;***********************************************************************
WELS_EXTERN DyadicBilinearQuarterDownsampler_sse
%ifdef X86_32
push r6
%assign push_num 1
%else
%assign push_num 0
%endif
LOAD_6_PARA
SIGN_EXTENSION r1, r1d
SIGN_EXTENSION r3, r3d
SIGN_EXTENSION r4, r4d
SIGN_EXTENSION r5, r5d
%ifndef X86_32
push r12
mov r12, r4
%endif
sar r5, $02 ; iSrcHeight >> 2
mov r6, r1 ;Save the tailer for the unasigned size
imul r6, r5
add r6, r0
movq xmm7, [r6]
.yloops_quarter_sse:
%ifdef X86_32
mov r4, arg5
%else
mov r4, r12
%endif
mov r6, r0 ;save base address
; each loop = source bandwidth: 32 bytes
.xloops_quarter_sse:
; 1st part horizonal loop: x16 bytes
; mem hi<- ->lo
;1st Line Src: mm0: d D c C b B a A mm1: h H g G f F e E
;2nd Line Src: mm2: l L k K j J i I mm3: p P o O n N m M
;
;=> target:
;: G E C A,
;:
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
movq mm0, [r2] ; 1st pSrc line
movq mm1, [r2+8] ; 1st pSrc line + 8
movq mm2, [r2+r3] ; 2nd pSrc line
movq mm3, [r2+r3+8] ; 2nd pSrc line + 8
pshufw mm0, mm0, 0d8h ; x X x X c C a A
pshufw mm1, mm1, 0d8h ; x X x X g G e E
pshufw mm2, mm2, 0d8h ; x X x X k K i I
pshufw mm3, mm3, 0d8h ; x X x X o O m M
punpckldq mm0, mm1 ; g G e E c C a A
punpckldq mm2, mm3 ; o O m M k K i I
; to handle mm0,mm2
pshufw mm4, mm0, 0d8h ;g G c C e E a A
pshufw mm5, mm4, 04eh ;e E a A g G c C
punpcklbw mm4, mm5 ;g e G E c a C A -> mm4
pshufw mm4, mm4, 0d8h ;g e c a G E C A -> mm4
pshufw mm5, mm2, 0d8h ;o O k K m M i I
pshufw mm6, mm5, 04eh ;m M i I o O k K
punpcklbw mm5, mm6 ;o m O M k i K I
pshufw mm5, mm5, 0d8h ;o m k i O M K I -> mm5
; to handle mm4, mm5
movq mm0, mm4
punpckldq mm0, mm6 ;x x x x G E C A
punpckhdq mm4, mm6 ;x x x x g e c a
movq mm1, mm5
punpckldq mm1, mm6 ;x x x x O M K I
punpckhdq mm5, mm6 ;x x x x o m k i
; avg within MB horizon width (8 x 2 lines)
pavgb mm0, mm4 ; (A+a+1)>>1, .., (H+h+1)>>1, temp_row1
pavgb mm1, mm5 ; (I+i+1)>>1, .., (P+p+1)>>1, temp_row2
pavgb mm0, mm1 ; (temp_row1+temp_row2+1)>>1, pending here and wait another horizonal part done then write memory once
; 2nd part horizonal loop: x16 bytes
movq mm1, [r2+16] ; 1st pSrc line + 16
movq mm2, [r2+24] ; 1st pSrc line + 24
movq mm3, [r2+r3+16] ; 2nd pSrc line + 16
movq mm4, [r2+r3+24] ; 2nd pSrc line + 24
pshufw mm1, mm1, 0d8h
pshufw mm2, mm2, 0d8h
pshufw mm3, mm3, 0d8h
pshufw mm4, mm4, 0d8h
punpckldq mm1, mm2
punpckldq mm3, mm4
; to handle mm1, mm3
pshufw mm4, mm1, 0d8h
pshufw mm5, mm4, 04eh
punpcklbw mm4, mm5
pshufw mm4, mm4, 0d8h
pshufw mm5, mm3, 0d8h
pshufw mm6, mm5, 04eh
punpcklbw mm5, mm6
pshufw mm5, mm5, 0d8h
; to handle mm4, mm5
movq mm2, mm4
punpckldq mm2, mm6
punpckhdq mm4, mm6
movq mm3, mm5
punpckldq mm3, mm6
punpckhdq mm5, mm6
; avg within MB horizon width (8 x 2 lines)
pavgb mm2, mm4 ; (A+a+1)>>1, .., (H+h+1)>>1, temp_row1
pavgb mm3, mm5 ; (I+i+1)>>1, .., (P+p+1)>>1, temp_row2
pavgb mm2, mm3 ; (temp_row1+temp_row2+1)>>1, done in another 2nd horizonal part
movd [r0 ], mm0
movd [r0+4], mm2
; next SMB
lea r2, [r2+32]
lea r0, [r0+8]
sub r4, 32
cmp r4, 0
jg near .xloops_quarter_sse
sub r6, r0
; next line
lea r2, [r2+4*r3] ; next 4 end of lines
lea r2, [r2+4*r6] ; reset to base 0 [- 4 * iDstWidth]
lea r0, [r0+r1]
lea r0, [r0+r6] ; reset to base 0 [- iDstWidth]
dec r5
jg near .yloops_quarter_sse
movq [r0], xmm7 ;restored the tailer for the unasigned size
WELSEMMS
%ifndef X86_32
pop r12
%endif
LOAD_6_PARA_POP
%ifdef X86_32
pop r6
%endif
ret
;***********************************************************************
; void DyadicBilinearQuarterDownsampler_ssse3( unsigned char* pDst, const int iDstStride,
; unsigned char* pSrc, const int iSrcStride,
; const int iSrcWidth, const int iSrcHeight );
;***********************************************************************
WELS_EXTERN DyadicBilinearQuarterDownsampler_ssse3
;push ebx
;push edx
;push esi
;push edi
;push ebp
;mov edi, [esp+24] ; pDst
;mov edx, [esp+28] ; iDstStride
;mov esi, [esp+32] ; pSrc
;mov ecx, [esp+36] ; iSrcStride
;mov ebp, [esp+44] ; iSrcHeight
%ifdef X86_32
push r6
%assign push_num 1
%else
%assign push_num 0
%endif
LOAD_6_PARA
PUSH_XMM 8
SIGN_EXTENSION r1, r1d
SIGN_EXTENSION r3, r3d
SIGN_EXTENSION r4, r4d
SIGN_EXTENSION r5, r5d
%ifndef X86_32
push r12
mov r12, r4
%endif
sar r5, $02 ; iSrcHeight >> 2
mov r6, r1 ;Save the tailer for the unasigned size
imul r6, r5
add r6, r0
movq xmm7, [r6]
movdqa xmm6, [shufb_mask_quarter]
.yloops_quarter_sse3:
;mov eax, [esp+40] ; iSrcWidth
;sar eax, $02 ; iSrcWidth >> 2
;mov ebx, eax ; iDstWidth restored at ebx
;sar eax, $04 ; (iSrcWidth >> 2) / 16 ; loop count = num_of_mb
;neg ebx ; - (iSrcWidth >> 2)
%ifdef X86_32
mov r4, arg5
%else
mov r4, r12
%endif
mov r6, r0
; each loop = source bandwidth: 32 bytes
.xloops_quarter_sse3:
; 1st part horizonal loop: x32 bytes
; mem hi<- ->lo
;1st Line Src: xmm0: h H g G f F e E d D c C b B a A
; xmm1: p P o O n N m M l L k K j J i I
;2nd Line Src: xmm2: h H g G f F e E d D c C b B a A
; xmm3: p P o O n N m M l L k K j J i I
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
movdqa xmm0, [r2] ; 1st_src_line
movdqa xmm1, [r2+16] ; 1st_src_line + 16
movdqa xmm2, [r2+r3] ; 2nd_src_line
movdqa xmm3, [r2+r3+16] ; 2nd_src_line + 16
pshufb xmm0, xmm6 ;1st line: 0 0 0 0 g e c a 0 0 0 0 G E C A
pshufb xmm1, xmm6 ;1st line: 0 0 0 0 o m k i 0 0 0 0 O M K I
pshufb xmm2, xmm6 ;2nd line: 0 0 0 0 g e c a 0 0 0 0 G E C A
pshufb xmm3, xmm6 ;2nd line: 0 0 0 0 o m k i 0 0 0 0 O M K I
movdqa xmm4, xmm0
movdqa xmm5, xmm2
punpckldq xmm0, xmm1 ;1st line: 0 0 0 0 0 0 0 0 O M K I G E C A -> xmm0
punpckhdq xmm4, xmm1 ;1st line: 0 0 0 0 0 0 0 0 o m k i g e c a -> xmm4
punpckldq xmm2, xmm3 ;2nd line: 0 0 0 0 0 0 0 0 O M K I G E C A -> xmm2
punpckhdq xmm5, xmm3 ;2nd line: 0 0 0 0 0 0 0 0 o m k i g e c a -> xmm5
pavgb xmm0, xmm4
pavgb xmm2, xmm5
pavgb xmm0, xmm2 ;average
; write pDst
movq [r0], xmm0
; next SMB
lea r2, [r2+32]
lea r0, [r0+8]
sub r4, 32
cmp r4, 0
jg near .xloops_quarter_sse3
sub r6, r0
; next line
lea r2, [r2+4*r3] ; next end of lines
lea r2, [r2+4*r6] ; reset to base 0 [- 4 * iDstWidth]
lea r0, [r0+r1]
lea r0, [r0+r6] ; reset to base 0 [- iDstWidth]
dec r5
jg near .yloops_quarter_sse3
movq [r0], xmm7 ;restored the tailer for the unasigned size
%ifndef X86_32
pop r12
%endif
POP_XMM
LOAD_6_PARA_POP
%ifdef X86_32
pop r6
%endif
ret
;***********************************************************************
; void DyadicBilinearQuarterDownsampler_sse4( unsigned char* pDst, const int iDstStride,
; unsigned char* pSrc, const int iSrcStride,
; const int iSrcWidth, const int iSrcHeight );
;***********************************************************************
WELS_EXTERN DyadicBilinearQuarterDownsampler_sse4
%ifdef X86_32
push r6
%assign push_num 1
%else
%assign push_num 0
%endif
LOAD_6_PARA
PUSH_XMM 8
SIGN_EXTENSION r1, r1d
SIGN_EXTENSION r3, r3d
SIGN_EXTENSION r4, r4d
SIGN_EXTENSION r5, r5d
%ifndef X86_32
push r12
mov r12, r4
%endif
sar r5, $02 ; iSrcHeight >> 2
mov r6, r1 ;Save the tailer for the unasigned size
imul r6, r5
add r6, r0
movq xmm7, [r6]
movdqa xmm6, [shufb_mask_quarter] ;mask
.yloops_quarter_sse4:
%ifdef X86_32
mov r4, arg5
%else
mov r4, r12
%endif
mov r6, r0
; each loop = source bandwidth: 32 bytes
.xloops_quarter_sse4:
; 1st part horizonal loop: x16 bytes
; mem hi<- ->lo
;1st Line Src: xmm0: h H g G f F e E d D c C b B a A
; xmm1: p P o O n N m M l L k K j J i I
;2nd Line Src: xmm2: h H g G f F e E d D c C b B a A
; xmm3: p P o O n N m M l L k K j J i I
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
movntdqa xmm0, [r2] ; 1st_src_line
movntdqa xmm1, [r2+16] ; 1st_src_line + 16
movntdqa xmm2, [r2+r3] ; 2nd_src_line
movntdqa xmm3, [r2+r3+16] ; 2nd_src_line + 16
pshufb xmm0, xmm6 ;1st line: 0 0 0 0 g e c a 0 0 0 0 G E C A
pshufb xmm1, xmm6 ;1st line: 0 0 0 0 o m k i 0 0 0 0 O M K I
pshufb xmm2, xmm6 ;2nd line: 0 0 0 0 g e c a 0 0 0 0 G E C A
pshufb xmm3, xmm6 ;2nd line: 0 0 0 0 o m k i 0 0 0 0 O M K I
movdqa xmm4, xmm0
movdqa xmm5, xmm2
punpckldq xmm0, xmm1 ;1st line: 0 0 0 0 0 0 0 0 O M K I G E C A -> xmm0
punpckhdq xmm4, xmm1 ;1st line: 0 0 0 0 0 0 0 0 o m k i g e c a -> xmm4
punpckldq xmm2, xmm3 ;2nd line: 0 0 0 0 0 0 0 0 O M K I G E C A -> xmm2
punpckhdq xmm5, xmm3 ;2nd line: 0 0 0 0 0 0 0 0 o m k i g e c a -> xmm5
pavgb xmm0, xmm4
pavgb xmm2, xmm5
pavgb xmm0, xmm2 ;average
; write pDst
movq [r0], xmm0
; next SMB
lea r2, [r2+32]
lea r0, [r0+8]
sub r4, 32
cmp r4, 0
jg near .xloops_quarter_sse4
sub r6, r0
lea r2, [r2+4*r3] ; next end of lines
lea r2, [r2+4*r6] ; reset to base 0 [- 2 * iDstWidth]
lea r0, [r0+r1]
lea r0, [r0+r6] ; reset to base 0 [- iDstWidth]
dec r5
jg near .yloops_quarter_sse4
movq [r0], xmm7 ;restore the tailer for the unasigned size
%ifndef X86_32
pop r12
%endif
POP_XMM
LOAD_6_PARA_POP
%ifdef X86_32
pop r6
%endif
ret
; xpos_int=%1 xpos_frac=%2 inc_int+1=%3 inc_frac=%4 tmp=%5
%macro SSE2_BilinearIncXposuw 5
movdqa %5, %2
paddw %2, %4
paddusw %5, %4
pcmpeqw %5, %2
paddb %1, %3
paddb %1, %5 ; subtract 1 if no carry
%endmacro
; outl=%1 outh=%2 in=%3
%macro SSE2_UnpckXFracuw 3
pcmpeqw %1, %1
pxor %1, %3
movdqa %2, %1
punpcklwd %1, %3
punpckhwd %2, %3
%endmacro
; [in:xfrac out:xyfrac0]=%1 [out:xyfrac1]=%2 yfrac0=%3 yfrac1=%4
%macro SSE2_BilinearFastCalcXYFrac 4
movdqa %2, %1
pmulhuw %1, %3
pmulhuw %2, %4
%endmacro
; [in:dwordsl out:bytes] dwordsh=%2 zero=%3
%macro SSE2_BilinearFastPackDwordsToBytes 3
psrld %1, 14
psrld %2, 14
packssdw %1, %2
pavgw %1, %3
packuswb %1, %1
%endmacro
%macro SSSE3_BilinearFastDownsample2xOrLess_8px 0
movdqa xmm_tmp0, xmm_xpos_int
pshufb xmm_tmp0, xmm_0
psubb xmm_xpos_int, xmm_tmp0
SSE2_UnpckXFracuw xmm_tmp0, xmm_tmp1, xmm_xpos_frac
mov r_tmp0, i_xpos
lea i_xpos, [i_xpos + 8 * i_scalex]
shr r_tmp0, 16
lddqu xmm_tmp4, [p_src_row0 + r_tmp0]
pshufb xmm_tmp4, xmm_xpos_int
movdqa xmm_tmp5, xmm_tmp4
punpcklbw xmm_tmp4, xmm_0
punpckhbw xmm_tmp5, xmm_0
SSE2_BilinearFastCalcXYFrac xmm_tmp0, xmm_tmp2, xmm_yfrac0, xmm_yfrac1
SSE2_BilinearFastCalcXYFrac xmm_tmp1, xmm_tmp3, xmm_yfrac0, xmm_yfrac1
pmaddwd xmm_tmp0, xmm_tmp4
pmaddwd xmm_tmp1, xmm_tmp5
lddqu xmm_tmp4, [p_src_row1 + r_tmp0]
pshufb xmm_tmp4, xmm_xpos_int
movdqa xmm_tmp5, xmm_tmp4
punpcklbw xmm_tmp4, xmm_0
punpckhbw xmm_tmp5, xmm_0
pmaddwd xmm_tmp2, xmm_tmp4
pmaddwd xmm_tmp3, xmm_tmp5
paddd xmm_tmp0, xmm_tmp2
paddd xmm_tmp1, xmm_tmp3
SSE2_BilinearFastPackDwordsToBytes xmm_tmp0, xmm_tmp1, xmm_0
movlps [p_dst], xmm_tmp0
add p_dst, 8
SSE2_BilinearIncXposuw xmm_xpos_int, xmm_xpos_frac, xmm_xpos_int_inc, xmm_xpos_frac_inc, xmm_tmp0
%endmacro
%macro SSSE3_BilinearFastDownsample4xOrLess_8px 0
movdqa xmm_tmp0, xmm_xpos_int
pshufb xmm_tmp0, [shufb_0000000088888888]
psubb xmm_xpos_int, xmm_tmp0
SSE2_UnpckXFracuw xmm_tmp0, xmm_tmp1, xmm_xpos_frac
mov r_tmp0, i_xpos
shr r_tmp0, 16
lddqu xmm_tmp3, [p_src_row0 + r_tmp0]
lddqu xmm_tmp4, [p_src_row1 + r_tmp0]
movdqa xmm_tmp2, xmm_xpos_int
punpcklbw xmm_tmp2, [db80h_256]
pshufb xmm_tmp3, xmm_tmp2
pshufb xmm_tmp4, xmm_tmp2
SSE2_BilinearFastCalcXYFrac xmm_tmp0, xmm_tmp2, xmm_yfrac0, xmm_yfrac1
pmaddwd xmm_tmp0, xmm_tmp3
pmaddwd xmm_tmp2, xmm_tmp4
paddd xmm_tmp0, xmm_tmp2
lea r_tmp0, [i_xpos + 4 * i_scalex]
lea i_xpos, [i_xpos + 8 * i_scalex]
shr r_tmp0, 16
lddqu xmm_tmp3, [p_src_row0 + r_tmp0]
lddqu xmm_tmp4, [p_src_row1 + r_tmp0]
movdqa xmm_tmp2, xmm_xpos_int
punpckhbw xmm_tmp2, [db80h_256]
pshufb xmm_tmp3, xmm_tmp2
pshufb xmm_tmp4, xmm_tmp2
SSE2_BilinearFastCalcXYFrac xmm_tmp1, xmm_tmp2, xmm_yfrac0, xmm_yfrac1
pmaddwd xmm_tmp1, xmm_tmp3
pmaddwd xmm_tmp2, xmm_tmp4
paddd xmm_tmp1, xmm_tmp2
SSE2_BilinearFastPackDwordsToBytes xmm_tmp0, xmm_tmp1, xmm_0
movlps [p_dst], xmm_tmp0
add p_dst, 8
SSE2_BilinearIncXposuw xmm_xpos_int, xmm_xpos_frac, xmm_xpos_int_inc, xmm_xpos_frac_inc, xmm_tmp0
%endmacro
%macro SSE2_GeneralBilinearFastDownsample_8px 0
mov r_tmp0, i_xpos
shr r_tmp0, 16
movd xmm_tmp3, [p_src_row0 + r_tmp0]
movd xmm_tmp4, [p_src_row1 + r_tmp0]
lea r_tmp0, [i_xpos + i_scalex]
shr r_tmp0, 16
pinsrw xmm_tmp3, [p_src_row0 + r_tmp0], 1
pinsrw xmm_tmp4, [p_src_row1 + r_tmp0], 1
lea r_tmp0, [i_xpos + 2 * i_scalex]
lea i_xpos, [i_xpos + 4 * i_scalex]
shr r_tmp0, 16
pinsrw xmm_tmp3, [p_src_row0 + r_tmp0], 2
pinsrw xmm_tmp4, [p_src_row1 + r_tmp0], 2
mov r_tmp0, i_xpos
sub r_tmp0, i_scalex
shr r_tmp0, 16
pinsrw xmm_tmp3, [p_src_row0 + r_tmp0], 3
pinsrw xmm_tmp4, [p_src_row1 + r_tmp0], 3
punpcklbw xmm_tmp3, xmm_0
punpcklbw xmm_tmp4, xmm_0
movdqa xmm_tmp0, xmm_xfrac0
SSE2_BilinearFastCalcXYFrac xmm_tmp0, xmm_tmp2, xmm_yfrac0, xmm_yfrac1
pmaddwd xmm_tmp0, xmm_tmp3
pmaddwd xmm_tmp2, xmm_tmp4
paddd xmm_tmp0, xmm_tmp2
mov r_tmp0, i_xpos
shr r_tmp0, 16
movd xmm_tmp3, [p_src_row0 + r_tmp0]
movd xmm_tmp4, [p_src_row1 + r_tmp0]
lea r_tmp0, [i_xpos + i_scalex]
shr r_tmp0, 16
pinsrw xmm_tmp3, [p_src_row0 + r_tmp0], 1
pinsrw xmm_tmp4, [p_src_row1 + r_tmp0], 1
lea r_tmp0, [i_xpos + 2 * i_scalex]
lea i_xpos, [i_xpos + 4 * i_scalex]
shr r_tmp0, 16
pinsrw xmm_tmp3, [p_src_row0 + r_tmp0], 2
pinsrw xmm_tmp4, [p_src_row1 + r_tmp0], 2
mov r_tmp0, i_xpos
sub r_tmp0, i_scalex
shr r_tmp0, 16
pinsrw xmm_tmp3, [p_src_row0 + r_tmp0], 3
pinsrw xmm_tmp4, [p_src_row1 + r_tmp0], 3
punpcklbw xmm_tmp3, xmm_0
punpcklbw xmm_tmp4, xmm_0
movdqa xmm_tmp1, xmm_xfrac1
SSE2_BilinearFastCalcXYFrac xmm_tmp1, xmm_tmp2, xmm_yfrac0, xmm_yfrac1
pmaddwd xmm_tmp1, xmm_tmp3
pmaddwd xmm_tmp2, xmm_tmp4
paddd xmm_tmp1, xmm_tmp2
SSE2_BilinearFastPackDwordsToBytes xmm_tmp0, xmm_tmp1, xmm_0
movlps [p_dst], xmm_tmp0
add p_dst, 8
paddw xmm_xfrac0, xmm_xfrac_inc
paddw xmm_xfrac1, xmm_xfrac_inc
%endmacro
; xpos_int=%1 xpos_frac=%2 inc_int=%3 inc_frac=%4 7FFFh=%5 tmp=%6
%macro SSE2_BilinearIncXposw 6
pxor %6, %6
paddw %2, %4
pcmpgtw %6, %2
paddb %1, %3
psubb %1, %6 ; add carry
pand %2, %5
%endmacro
; outl=%1 outh=%2 in=%3 7FFFh=%4
%macro SSE2_UnpckXFracw 4
movdqa %1, %3
pxor %1, %4
movdqa %2, %1
punpcklwd %1, %3
punpckhwd %2, %3
%endmacro
; res>>29=%1 data0=%2 data1=%3 frac0=%4 frac1=%5 tmp=%6
%macro SSE41_LinearAccurateInterpolateVerticalDwords 6
pshufd %1, %2, 10110001b
pshufd %6, %3, 10110001b
pmuludq %1, %4
pmuludq %6, %5
paddq %1, %6
pmuludq %2, %4
pmuludq %3, %5
paddq %2, %3
psllq %1, 3
psrlq %2, 29
blendps %1, %2, 0101b
%endmacro
%macro SSE41_BilinearAccurateDownsample2xOrLess_8px 0
movdqa xmm_tmp0, xmm_xpos_int
pshufb xmm_tmp0, xmm_0
psubb xmm_xpos_int, xmm_tmp0
SSE2_UnpckXFracw xmm_tmp0, xmm_tmp1, xmm_xpos_frac, xmm_7fff
mov r_tmp0, i_xpos
lea i_xpos, [i_xpos + 8 * i_scalex]
shr r_tmp0, 16
lddqu xmm_tmp4, [p_src_row0 + r_tmp0]
pshufb xmm_tmp4, xmm_xpos_int
movdqa xmm_tmp5, xmm_tmp4
punpcklbw xmm_tmp4, xmm_0
punpckhbw xmm_tmp5, xmm_0
pmaddwd xmm_tmp4, xmm_tmp0
pmaddwd xmm_tmp5, xmm_tmp1
lddqu xmm_tmp2, [p_src_row1 + r_tmp0]
pshufb xmm_tmp2, xmm_xpos_int
movdqa xmm_tmp3, xmm_tmp2
punpcklbw xmm_tmp2, xmm_0
punpckhbw xmm_tmp3, xmm_0
pmaddwd xmm_tmp2, xmm_tmp0
pmaddwd xmm_tmp3, xmm_tmp1
SSE41_LinearAccurateInterpolateVerticalDwords xmm_tmp0, xmm_tmp4, xmm_tmp2, xmm_yfrac0, xmm_yfrac1, xmm_tmp1
SSE41_LinearAccurateInterpolateVerticalDwords xmm_tmp1, xmm_tmp5, xmm_tmp3, xmm_yfrac0, xmm_yfrac1, xmm_tmp2
packssdw xmm_tmp0, xmm_tmp1
pavgw xmm_tmp0, xmm_0
packuswb xmm_tmp0, xmm_tmp0
movlps [p_dst], xmm_tmp0
add p_dst, 8
SSE2_BilinearIncXposw xmm_xpos_int, xmm_xpos_frac, xmm_xpos_int_inc, xmm_xpos_frac_inc, xmm_7fff, xmm_tmp0
%endmacro
%macro SSE41_BilinearAccurateDownsample4xOrLess_8px 0
movdqa xmm_tmp0, xmm_xpos_int
pshufb xmm_tmp0, [shufb_0000000088888888]
psubb xmm_xpos_int, xmm_tmp0
SSE2_UnpckXFracw xmm_tmp0, xmm_tmp1, xmm_xpos_frac, xmm_7fff
mov r_tmp0, i_xpos
shr r_tmp0, 16
movdqa xmm_tmp3, xmm_xpos_int
punpcklbw xmm_tmp3, [db80h_256]
lddqu xmm_tmp4, [p_src_row0 + r_tmp0]
lddqu xmm_tmp2, [p_src_row1 + r_tmp0]
lea r_tmp0, [i_xpos + 4 * i_scalex]
lea i_xpos, [i_xpos + 8 * i_scalex]
shr r_tmp0, 16
pshufb xmm_tmp4, xmm_tmp3
pshufb xmm_tmp2, xmm_tmp3
pmaddwd xmm_tmp4, xmm_tmp0
pmaddwd xmm_tmp2, xmm_tmp0
SSE41_LinearAccurateInterpolateVerticalDwords xmm_tmp0, xmm_tmp4, xmm_tmp2, xmm_yfrac0, xmm_yfrac1, xmm_tmp3
movdqa xmm_tmp2, xmm_xpos_int
punpckhbw xmm_tmp2, [db80h_256]
lddqu xmm_tmp4, [p_src_row0 + r_tmp0]
lddqu xmm_tmp3, [p_src_row1 + r_tmp0]
pshufb xmm_tmp4, xmm_tmp2
pshufb xmm_tmp3, xmm_tmp2
pmaddwd xmm_tmp4, xmm_tmp1
pmaddwd xmm_tmp3, xmm_tmp1
SSE41_LinearAccurateInterpolateVerticalDwords xmm_tmp1, xmm_tmp4, xmm_tmp3, xmm_yfrac0, xmm_yfrac1, xmm_tmp2
packssdw xmm_tmp0, xmm_tmp1
pavgw xmm_tmp0, xmm_0
packuswb xmm_tmp0, xmm_tmp0
movlps [p_dst], xmm_tmp0
add p_dst, 8
SSE2_BilinearIncXposw xmm_xpos_int, xmm_xpos_frac, xmm_xpos_int_inc, xmm_xpos_frac_inc, xmm_7fff, xmm_tmp0
%endmacro
%macro SSE41_GeneralBilinearAccurateDownsample_8px 0
mov r_tmp0, i_xpos
shr r_tmp0, 16
movd xmm_tmp4, [p_src_row0 + r_tmp0]
movd xmm_tmp2, [p_src_row1 + r_tmp0]
lea r_tmp0, [i_xpos + 1 * i_scalex]
shr r_tmp0, 16
pinsrw xmm_tmp4, [p_src_row0 + r_tmp0], 1
pinsrw xmm_tmp2, [p_src_row1 + r_tmp0], 1
lea r_tmp0, [i_xpos + 2 * i_scalex]
lea i_xpos, [i_xpos + 4 * i_scalex]
shr r_tmp0, 16
pinsrw xmm_tmp4, [p_src_row0 + r_tmp0], 2
pinsrw xmm_tmp2, [p_src_row1 + r_tmp0], 2
mov r_tmp0, i_xpos
sub r_tmp0, i_scalex
shr r_tmp0, 16
pinsrw xmm_tmp4, [p_src_row0 + r_tmp0], 3
pinsrw xmm_tmp2, [p_src_row1 + r_tmp0], 3
punpcklbw xmm_tmp4, xmm_0
punpcklbw xmm_tmp2, xmm_0
pmaddwd xmm_tmp4, xmm_xfrac0
pmaddwd xmm_tmp2, xmm_xfrac0
SSE41_LinearAccurateInterpolateVerticalDwords xmm_tmp0, xmm_tmp4, xmm_tmp2, xmm_yfrac0, xmm_yfrac1, xmm_tmp3
mov r_tmp0, i_xpos
shr r_tmp0, 16
movd xmm_tmp4, [p_src_row0 + r_tmp0]
movd xmm_tmp3, [p_src_row1 + r_tmp0]
lea r_tmp0, [i_xpos + 1 * i_scalex]
shr r_tmp0, 16
pinsrw xmm_tmp4, [p_src_row0 + r_tmp0], 1
pinsrw xmm_tmp3, [p_src_row1 + r_tmp0], 1
lea r_tmp0, [i_xpos + 2 * i_scalex]
lea i_xpos, [i_xpos + 4 * i_scalex]
shr r_tmp0, 16
pinsrw xmm_tmp4, [p_src_row0 + r_tmp0], 2
pinsrw xmm_tmp3, [p_src_row1 + r_tmp0], 2
mov r_tmp0, i_xpos
sub r_tmp0, i_scalex
shr r_tmp0, 16
pinsrw xmm_tmp4, [p_src_row0 + r_tmp0], 3
pinsrw xmm_tmp3, [p_src_row1 + r_tmp0], 3
punpcklbw xmm_tmp4, xmm_0
punpcklbw xmm_tmp3, xmm_0
pmaddwd xmm_tmp4, xmm_xfrac1
pmaddwd xmm_tmp3, xmm_xfrac1
SSE41_LinearAccurateInterpolateVerticalDwords xmm_tmp1, xmm_tmp4, xmm_tmp3, xmm_yfrac0, xmm_yfrac1, xmm_tmp2
packssdw xmm_tmp0, xmm_tmp1
pavgw xmm_tmp0, xmm_0
packuswb xmm_tmp0, xmm_tmp0
movlps [p_dst], xmm_tmp0
add p_dst, 8
paddw xmm_xfrac0, xmm_xfrac_inc
paddw xmm_xfrac1, xmm_xfrac_inc
pand xmm_xfrac0, xmm_7fff
pand xmm_xfrac1, xmm_7fff
%endmacro
; downsample_8px_macro=%1 b_fast=%2
%macro SSE2_GeneralBilinearDownsampler_loop 2
%%height:
mov p_src_row0, i_ypos
shr p_src_row0, 15
imul p_src_row0, i_src_stride
add p_src_row0, p_src
mov p_src_row1, p_src_row0
add p_src_row1, i_src_stride
movd xmm_tmp1, i_yposd
%if %2
pshuflw xmm_tmp1, xmm_tmp1, 0
psllw xmm_tmp1, 1
psrlw xmm_tmp1, 1
%else
pslld xmm_tmp1, 17
psrld xmm_tmp1, 17
%endif
%ifdef X86_32
pshufd xmm_tmp1, xmm_tmp1, 0
pcmpeqw xmm_tmp0, xmm_tmp0
%if %2
psrlw xmm_tmp0, 1
%else
psrld xmm_tmp0, 17
%endif
pxor xmm_tmp0, xmm_tmp1
movdqa xmm_yfrac0, xmm_tmp0
movdqa xmm_yfrac1, xmm_tmp1
%else
pshufd xmm_yfrac1, xmm_tmp1, 0
pcmpeqw xmm_yfrac0, xmm_yfrac0
%if %2
psrlw xmm_yfrac0, 1
%else
psrld xmm_yfrac0, 17
%endif
pxor xmm_yfrac0, xmm_yfrac1
%endif
mov i_xpos, 1 << 15
mov i_width_cnt, i_dst_width
sub i_width_cnt, 1
%ifdef xmm_xpos_int
movdqa xmm_xpos_int, xmm_xpos_int_begin
movdqa xmm_xpos_frac, xmm_xpos_frac_begin
%else
movdqa xmm_xfrac0, xmm_xfrac0_begin
movdqa xmm_xfrac1, xmm_xfrac1_begin
%endif
%%width:
%1
sub i_width_cnt, 8
jg %%width
lea p_dst, [p_dst + i_width_cnt + 1]
imul i_width_cnt, i_scalex
add i_xpos, i_width_cnt
shr i_xpos, 16
movzx r_tmp0, byte [p_src_row0 + i_xpos]
mov [p_dst - 1], r_tmp0b
%ifdef X86_32
mov r_tmp0, i_scaleyd
add i_yposd, r_tmp0
%else
add i_yposd, i_scaleyd
%endif
add p_dst, i_dst_stride_less_width
sub i_dst_height, 1
jg %%height
%endmacro
;**************************************************************************************************************
;void GeneralBilinearFastDownsampler_ssse3 (uint8_t* pDst, int32_t iDstStride, int32_t iDstWidth,
; int32_t iDstHeight, uint8_t* pSrc, int32_t iSrcStride, uint32_t uiScaleX,
; uint32_t uiScaleY);
;
;**************************************************************************************************************
WELS_EXTERN GeneralBilinearFastDownsampler_ssse3
%assign push_num 0
%ifndef X86_32
push r12
push r13
push rbx
push rbp
%assign push_num 4
%ifdef WIN64
push rdi
push rsi
%assign push_num push_num + 2
%endif
%endif
LOAD_7_PARA
PUSH_XMM 16
SIGN_EXTENSION r1, r1d
SIGN_EXTENSION r2, r2d
SIGN_EXTENSION r3, r3d
SIGN_EXTENSION r5, r5d
ZERO_EXTENSION r6d
sub r1, r2 ; dst_stride - dst_width
%ifdef X86_32
movd xmm0, arg8
movd xmm1, esp
and esp, -16
sub esp, 8 * 4 + 7 * 16
movd [esp], xmm1
%define p_dst r0
%define i_dst_stride_less_width [esp + 1 * 4]
%define i_dst_width [esp + 2 * 4]
%define i_dst_height dword [esp + 3 * 4]
%define p_src [esp + 4 * 4]
%define i_src_stride [esp + 5 * 4]
%define i_scalex r6
%define i_scalexd r6d
%define i_scaleyd [esp + 6 * 4]
%define i_xpos r2
%define i_ypos dword [esp + 7 * 4]
%define i_yposd dword [esp + 7 * 4]
%define p_src_row0 r3
%define p_src_row1 r4
%define i_width_cnt r5
%define r_tmp0 r1
%define r_tmp0b r1b
%define xmm_xpos_frac xmm1
%define xmm_xpos_frac_inc [esp + 8 * 4]
%define xmm_xpos_int xmm3
%define xmm_xpos_int_inc [esp + 8 * 4 + 1 * 16]
%define xmm_yfrac0 [esp + 8 * 4 + 2 * 16]
%define xmm_yfrac1 [esp + 8 * 4 + 3 * 16]
%define xmm_tmp0 xmm7
%define xmm_tmp1 xmm0
%define xmm_tmp2 xmm2
%define xmm_tmp3 xmm4
%define xmm_tmp4 xmm5
%define xmm_tmp5 xmm6
%define xmm_0 [esp + 8 * 4 + 4 * 16]
%define xmm_xpos_int_begin [esp + 8 * 4 + 5 * 16]
%define xmm_xpos_frac_begin [esp + 8 * 4 + 6 * 16]
mov i_dst_stride_less_width, r1
mov i_dst_width, r2
mov i_dst_height, r3
mov p_src, r4
mov i_src_stride, r5
movd i_scaleyd, xmm0
pxor xmm_tmp0, xmm_tmp0
movdqa xmm_0, xmm_tmp0
%else
%define p_dst r0
%define i_dst_stride_less_width r1
%define i_dst_width r2
%define i_dst_height r3
%define p_src r4
%define i_src_stride r5
%define i_scalex r6
%define i_scalexd r6d
%define i_scaleyd dword arg8d
%define i_xpos r12
%define i_ypos r13
%define i_yposd r13d
%define p_src_row0 rbp
%ifdef WIN64
%define p_src_row1 rsi
%define i_width_cnt rdi
%else
%define p_src_row1 r11
%define i_width_cnt rax
%endif
%define r_tmp0 rbx
%define r_tmp0b bl
%define xmm_0 xmm0
%define xmm_xpos_frac xmm1
%define xmm_xpos_frac_inc xmm8
%define xmm_xpos_int xmm3
%define xmm_xpos_int_inc xmm10
%define xmm_yfrac0 xmm11
%define xmm_yfrac1 xmm12
%define xmm_tmp0 xmm7
%define xmm_tmp1 xmm2
%define xmm_tmp2 xmm9
%define xmm_tmp3 xmm4
%define xmm_tmp4 xmm5
%define xmm_tmp5 xmm6
%define xmm_xpos_int_begin xmm14
%define xmm_xpos_frac_begin xmm15
pxor xmm_0, xmm_0
%endif
sub i_dst_height, 1
je .final_row
jl .done
mov i_ypos, 1 << 14
movd xmm_xpos_frac, i_scalexd
pshufd xmm_xpos_frac, xmm_xpos_frac, 0
movdqa xmm_tmp0, xmm_xpos_frac
pslld xmm_tmp0, 2
pslldq xmm_xpos_frac, 4
paddd xmm_tmp0, xmm_xpos_frac
movdqa xmm_tmp1, xmm_xpos_frac
pslldq xmm_tmp1, 4
paddd xmm_xpos_frac, xmm_tmp1
paddd xmm_tmp0, xmm_tmp1
pslldq xmm_tmp1, 4
paddd xmm_xpos_frac, xmm_tmp1
paddd xmm_tmp0, xmm_tmp1
pcmpeqw xmm_tmp1, xmm_tmp1
psrld xmm_tmp1, 31
pslld xmm_tmp1, 15
paddd xmm_xpos_frac, xmm_tmp1
paddd xmm_tmp0, xmm_tmp1
movdqa xmm_xpos_int, xmm_xpos_frac
movdqa xmm_tmp1, xmm_tmp0
psrld xmm_xpos_int, 16
psrld xmm_tmp1, 16
packssdw xmm_xpos_int, xmm_tmp1
packuswb xmm_xpos_int, xmm_xpos_int
movdqa xmm_tmp1, xmm_xpos_int
pcmpeqw xmm_tmp2, xmm_tmp2
psubb xmm_tmp1, xmm_tmp2
punpcklbw xmm_xpos_int, xmm_tmp1
pslld xmm_xpos_frac, 16
pslld xmm_tmp0, 16
psrad xmm_xpos_frac, 16
psrad xmm_tmp0, 16
packssdw xmm_xpos_frac, xmm_tmp0
movd xmm_tmp0, i_scalexd
pslld xmm_tmp0, 3
movdqa xmm_tmp1, xmm_tmp0
punpcklwd xmm_tmp0, xmm_tmp0
pshufd xmm_tmp0, xmm_tmp0, 0
movdqa xmm_xpos_frac_inc, xmm_tmp0
psrld xmm_tmp1, 16
psubw xmm_tmp1, xmm_tmp2
pxor xmm_tmp2, xmm_tmp2
pshufb xmm_tmp1, xmm_tmp2
movdqa xmm_xpos_int_inc, xmm_tmp1
movdqa xmm_xpos_int_begin, xmm_xpos_int
movdqa xmm_xpos_frac_begin, xmm_xpos_frac
cmp i_scalex, 4 << 16
ja .scalex_above4
cmp i_scalex, 2 << 16
ja .scalex_above2_beloweq4
SSE2_GeneralBilinearDownsampler_loop SSSE3_BilinearFastDownsample2xOrLess_8px, 1
jmp .final_row
%ifdef X86_32
%undef xmm_yfrac0
%xdefine xmm_yfrac0 xmm_tmp5
%undef xmm_tmp5
%endif
.scalex_above2_beloweq4:
SSE2_GeneralBilinearDownsampler_loop SSSE3_BilinearFastDownsample4xOrLess_8px, 1
jmp .final_row
.scalex_above4:
%xdefine xmm_xfrac0 xmm_xpos_frac
%xdefine xmm_xfrac1 xmm_xpos_int
%xdefine xmm_xfrac0_begin xmm_xpos_int_begin
%xdefine xmm_xfrac1_begin xmm_xpos_frac_begin
%xdefine xmm_xfrac_inc xmm_xpos_frac_inc
%undef xmm_xpos_int
%undef xmm_xpos_frac
%undef xmm_xpos_int_begin
%undef xmm_xpos_frac_begin
%undef xmm_xpos_int_inc
%undef xmm_xpos_frac_inc
SSE2_UnpckXFracuw xmm_tmp0, xmm_xfrac1, xmm_xfrac0
movdqa xmm_xfrac0, xmm_tmp0
movdqa xmm_xfrac0_begin, xmm_xfrac0
movdqa xmm_xfrac1_begin, xmm_xfrac1
pcmpeqw xmm_tmp0, xmm_tmp0
pmullw xmm_tmp0, xmm_xfrac_inc
punpcklwd xmm_tmp0, xmm_xfrac_inc
movdqa xmm_xfrac_inc, xmm_tmp0
SSE2_GeneralBilinearDownsampler_loop SSE2_GeneralBilinearFastDownsample_8px, 1
.final_row:
mov p_src_row0, i_ypos
shr p_src_row0, 15
imul p_src_row0, i_src_stride
add p_src_row0, p_src
mov i_xpos, 1 << 15
mov i_width_cnt, i_dst_width
.final_row_width:
mov r_tmp0, i_xpos
shr r_tmp0, 16
movzx r_tmp0, byte [p_src_row0 + r_tmp0]
mov [p_dst], r_tmp0b
add p_dst, 1
add i_xpos, i_scalex
sub i_width_cnt, 1
jg .final_row_width
.done:
%ifdef X86_32
mov esp, [esp]
%endif
POP_XMM
LOAD_7_PARA_POP
%ifndef X86_32
%ifdef WIN64
pop rsi
pop rdi
%endif
pop rbp
pop rbx
pop r13
pop r12
%endif
ret
%undef p_dst
%undef i_dst_stride_less_width
%undef i_dst_width
%undef i_dst_height
%undef p_src
%undef i_src_stride
%undef i_scalex
%undef i_scalexd
%undef i_scaleyd
%undef i_xpos
%undef i_ypos
%undef i_yposd
%undef p_src_row0
%undef p_src_row1
%undef i_width_cnt
%undef r_tmp0
%undef r_tmp0b
%undef xmm_0
%undef xmm_xpos_frac
%undef xmm_xpos_frac_inc
%undef xmm_xpos_int
%undef xmm_xpos_int_inc
%undef xmm_yfrac0
%undef xmm_yfrac1
%undef xmm_tmp0
%undef xmm_tmp1
%undef xmm_tmp2
%undef xmm_tmp3
%undef xmm_tmp4
%undef xmm_tmp5
%undef xmm_xpos_int_begin
%undef xmm_xpos_frac_begin
%undef xmm_xfrac0
%undef xmm_xfrac1
%undef xmm_xfrac0_begin
%undef xmm_xfrac1_begin
%undef xmm_xfrac_inc
;**************************************************************************************************************
;void GeneralBilinearAccurateDownsampler_sse41 (uint8_t* pDst, int32_t iDstStride, int32_t iDstWidth,
; int32_t iDstHeight, uint8_t* pSrc, int32_t iSrcStride, uint32_t uiScaleX,
; uint32_t uiScaleY);
;
;**************************************************************************************************************
WELS_EXTERN GeneralBilinearAccurateDownsampler_sse41
%assign push_num 0
%ifndef X86_32
push r12
push r13
push rbx
push rbp
%assign push_num 4
%ifdef WIN64
push rdi
push rsi
%assign push_num push_num + 2
%endif
%endif
LOAD_7_PARA
PUSH_XMM 16
SIGN_EXTENSION r1, r1d
SIGN_EXTENSION r2, r2d
SIGN_EXTENSION r3, r3d
SIGN_EXTENSION r5, r5d
ZERO_EXTENSION r6d
sub r1, r2 ; dst_stride - dst_width
add r6, r6 ; 2 * scalex
%ifdef X86_32
movd xmm0, arg8
movd xmm1, esp
and esp, -16
sub esp, 8 * 4 + 8 * 16
movd [esp], xmm1
%define p_dst r0
%define i_dst_stride_less_width [esp + 1 * 4]
%define i_dst_width [esp + 2 * 4]
%define i_dst_height dword [esp + 3 * 4]
%define p_src [esp + 4 * 4]
%define i_src_stride [esp + 5 * 4]
%define i_scalex r6
%define i_scalexd r6d
%define i_scaleyd [esp + 6 * 4]
%define i_xpos r2
%define i_ypos dword [esp + 7 * 4]
%define i_yposd dword [esp + 7 * 4]
%define p_src_row0 r3
%define p_src_row1 r4
%define i_width_cnt r5
%define r_tmp0 r1
%define r_tmp0b r1b
%define xmm_xpos_frac xmm1
%define xmm_xpos_frac_inc [esp + 8 * 4]
%define xmm_xpos_int xmm3
%define xmm_xpos_int_inc [esp + 8 * 4 + 1 * 16]
%define xmm_yfrac0 [esp + 8 * 4 + 2 * 16]
%define xmm_yfrac1 [esp + 8 * 4 + 3 * 16]
%define xmm_tmp0 xmm7
%define xmm_tmp1 xmm0
%define xmm_tmp2 xmm2
%define xmm_tmp3 xmm4
%define xmm_tmp4 xmm5
%define xmm_tmp5 xmm6
%define xmm_0 [esp + 8 * 4 + 4 * 16]
%define xmm_7fff [esp + 8 * 4 + 5 * 16]
%define xmm_xpos_int_begin [esp + 8 * 4 + 6 * 16]
%define xmm_xpos_frac_begin [esp + 8 * 4 + 7 * 16]
mov i_dst_stride_less_width, r1
mov i_dst_width, r2
mov i_dst_height, r3
mov p_src, r4
mov i_src_stride, r5
movd i_scaleyd, xmm0
pxor xmm_tmp5, xmm_tmp5
movdqa xmm_0, xmm_tmp5
pcmpeqw xmm_tmp5, xmm_tmp5
psrlw xmm_tmp5, 1
movdqa xmm_7fff, xmm_tmp5
%else
%define p_dst r0
%define i_dst_stride_less_width r1
%define i_dst_width r2
%define i_dst_height r3
%define p_src r4
%define i_src_stride r5
%define i_scalex r6
%define i_scalexd r6d
%define i_scaleyd dword arg8d
%define i_xpos r12
%define i_ypos r13
%define i_yposd r13d
%define p_src_row0 rbp
%ifdef WIN64
%define p_src_row1 rsi
%define i_width_cnt rdi
%else
%define p_src_row1 r11
%define i_width_cnt rax
%endif
%define r_tmp0 rbx
%define r_tmp0b bl
%define xmm_0 xmm0
%define xmm_xpos_frac xmm1
%define xmm_xpos_frac_inc xmm8
%define xmm_xpos_int xmm3
%define xmm_xpos_int_inc xmm10
%define xmm_yfrac0 xmm11
%define xmm_yfrac1 xmm12
%define xmm_tmp0 xmm7
%define xmm_tmp1 xmm2
%define xmm_tmp2 xmm9
%define xmm_tmp3 xmm4
%define xmm_tmp4 xmm5
%define xmm_tmp5 xmm6
%define xmm_7fff xmm13
%define xmm_xpos_int_begin xmm14
%define xmm_xpos_frac_begin xmm15
pxor xmm_0, xmm_0
pcmpeqw xmm_7fff, xmm_7fff
psrlw xmm_7fff, 1
%endif
sub i_dst_height, 1
je .final_row
jl .done
mov i_ypos, 1 << 14
movd xmm_xpos_frac, i_scalexd
pshufd xmm_xpos_frac, xmm_xpos_frac, 0
movdqa xmm_tmp0, xmm_xpos_frac
pslld xmm_tmp0, 2
pslldq xmm_xpos_frac, 4
paddd xmm_tmp0, xmm_xpos_frac
movdqa xmm_tmp1, xmm_xpos_frac
pslldq xmm_tmp1, 4
paddd xmm_xpos_frac, xmm_tmp1
paddd xmm_tmp0, xmm_tmp1
pslldq xmm_tmp1, 4
paddd xmm_xpos_frac, xmm_tmp1
paddd xmm_tmp0, xmm_tmp1
pcmpeqw xmm_tmp1, xmm_tmp1
psrld xmm_tmp1, 31
pslld xmm_tmp1, 15
paddd xmm_xpos_frac, xmm_tmp1
paddd xmm_tmp0, xmm_tmp1
movdqa xmm_xpos_int, xmm_xpos_frac
movdqa xmm_tmp1, xmm_tmp0
psrld xmm_xpos_int, 16
psrld xmm_tmp1, 16
packssdw xmm_xpos_int, xmm_tmp1
packuswb xmm_xpos_int, xmm_xpos_int
movdqa xmm_tmp1, xmm_xpos_int
pcmpeqw xmm_tmp2, xmm_tmp2
psubb xmm_tmp1, xmm_tmp2
punpcklbw xmm_xpos_int, xmm_tmp1
pslld xmm_xpos_frac, 16
pslld xmm_tmp0, 16
psrad xmm_xpos_frac, 16
psrad xmm_tmp0, 16
packssdw xmm_xpos_frac, xmm_tmp0
psrlw xmm_xpos_frac, 1
movd xmm_tmp0, i_scalexd
pslld xmm_tmp0, 3
movdqa xmm_tmp1, xmm_tmp0
punpcklwd xmm_tmp0, xmm_tmp0
pshufd xmm_tmp0, xmm_tmp0, 0
psrlw xmm_tmp0, 1
movdqa xmm_xpos_frac_inc, xmm_tmp0
psrld xmm_tmp1, 16
pxor xmm_tmp2, xmm_tmp2
pshufb xmm_tmp1, xmm_tmp2
movdqa xmm_xpos_int_inc, xmm_tmp1
movdqa xmm_xpos_int_begin, xmm_xpos_int
movdqa xmm_xpos_frac_begin, xmm_xpos_frac
cmp i_scalex, 4 << 16
ja .scalex_above4
cmp i_scalex, 2 << 16
ja .scalex_above2_beloweq4
SSE2_GeneralBilinearDownsampler_loop SSE41_BilinearAccurateDownsample2xOrLess_8px, 0
jmp .final_row
%ifdef X86_32
%undef xmm_yfrac0
%xdefine xmm_yfrac0 xmm_tmp5
%undef xmm_tmp5
%endif
.scalex_above2_beloweq4:
SSE2_GeneralBilinearDownsampler_loop SSE41_BilinearAccurateDownsample4xOrLess_8px, 0
jmp .final_row
.scalex_above4:
%xdefine xmm_xfrac0 xmm_xpos_frac
%xdefine xmm_xfrac1 xmm_xpos_int
%xdefine xmm_xfrac0_begin xmm_xpos_int_begin
%xdefine xmm_xfrac1_begin xmm_xpos_frac_begin
%xdefine xmm_xfrac_inc xmm_xpos_frac_inc
%undef xmm_xpos_int
%undef xmm_xpos_frac
%undef xmm_xpos_int_begin
%undef xmm_xpos_frac_begin
%undef xmm_xpos_int_inc
%undef xmm_xpos_frac_inc
SSE2_UnpckXFracw xmm_tmp0, xmm_xfrac1, xmm_xfrac0, xmm_7fff
movdqa xmm_xfrac0, xmm_tmp0
movdqa xmm_xfrac0_begin, xmm_xfrac0
movdqa xmm_xfrac1_begin, xmm_xfrac1
pcmpeqw xmm_tmp0, xmm_tmp0
pmullw xmm_tmp0, xmm_xfrac_inc
punpcklwd xmm_tmp0, xmm_xfrac_inc
movdqa xmm_xfrac_inc, xmm_tmp0
SSE2_GeneralBilinearDownsampler_loop SSE41_GeneralBilinearAccurateDownsample_8px, 0
.final_row:
mov p_src_row0, i_ypos
shr p_src_row0, 15
imul p_src_row0, i_src_stride
add p_src_row0, p_src
mov i_xpos, 1 << 15
mov i_width_cnt, i_dst_width
.final_row_width:
mov r_tmp0, i_xpos
shr r_tmp0, 16
movzx r_tmp0, byte [p_src_row0 + r_tmp0]
mov [p_dst], r_tmp0b
add p_dst, 1
add i_xpos, i_scalex
sub i_width_cnt, 1
jg .final_row_width
.done:
%ifdef X86_32
mov esp, [esp]
%endif
POP_XMM
LOAD_7_PARA_POP
%ifndef X86_32
%ifdef WIN64
pop rsi
pop rdi
%endif
pop rbp
pop rbx
pop r13
pop r12
%endif
ret
%undef p_dst
%undef i_dst_stride_less_width
%undef i_dst_width
%undef i_dst_height
%undef p_src
%undef i_src_stride
%undef i_scalex
%undef i_scalexd
%undef i_scaleyd
%undef i_xpos
%undef i_ypos
%undef i_yposd
%undef p_src_row0
%undef p_src_row1
%undef i_width_cnt
%undef r_tmp0
%undef r_tmp0b
%undef xmm_0
%undef xmm_xpos_frac
%undef xmm_xpos_frac_inc
%undef xmm_xpos_int
%undef xmm_xpos_int_inc
%undef xmm_yfrac0
%undef xmm_yfrac1
%undef xmm_tmp0
%undef xmm_tmp1
%undef xmm_tmp2
%undef xmm_tmp3
%undef xmm_tmp4
%undef xmm_tmp5
%undef xmm_7fff
%undef xmm_xpos_int_begin
%undef xmm_xpos_frac_begin
%undef xmm_xfrac0
%undef xmm_xfrac1
%undef xmm_xfrac0_begin
%undef xmm_xfrac1_begin
%undef xmm_xfrac_inc
%ifdef HAVE_AVX2
; xpos_int=%1 xpos_frac=%2 inc_int+1=%3 inc_frac=%4 tmp=%5
%macro AVX2_BilinearIncXposuw 5
vpaddusw %5, %2, %4
vpaddw %2, %2, %4
vpcmpeqw %5, %5, %2
vpaddb %1, %1, %3
vpaddb %1, %1, %5 ; subtract 1 if no carry
%endmacro
; outl=%1 outh=%2 in=%3 FFFFh/7FFFh=%4
%macro AVX2_UnpckXFrac 4
vpxor %1, %3, %4
vpunpckhwd %2, %1, %3
vpunpcklwd %1, %1, %3
%endmacro
; out0=%1 out1=%2 xfrac=%3 yfrac0=%4 yfrac1=%5
%macro AVX2_BilinearFastCalcXYFrac 5
vpmulhuw %2, %3, %5
vpmulhuw %1, %3, %4
%endmacro
; [in:dwordsl out:bytes] dwordsh=%2 zero=%3
%macro AVX2_BilinearFastPackDwordsToBytes 3
vpsrld %1, %1, 14
vpsrld %2, %2, 14
vpackssdw %1, %1, %2
vpavgw %1, %1, %3
vpackuswb %1, %1, %1
%endmacro
%macro AVX2_BilinearFastDownsample2xOrLess_16px 0
vpshufb ymm_tmp0, ymm_xpos_int, ymm_0
vpsubb ymm_xpos_int, ymm_xpos_int, ymm_tmp0
AVX2_UnpckXFrac ymm_tmp0, ymm_tmp1, ymm_xpos_frac, ymm_ffff
mov r_tmp0, i_xpos
shr r_tmp0, 16
vmovdqu xmm_tmp4, [p_src_row0 + r_tmp0]
vmovdqu xmm_tmp5, [p_src_row1 + r_tmp0]
lea r_tmp0, [i_xpos + 4 * i_scalex2]
lea i_xpos, [i_xpos + 8 * i_scalex2]
shr r_tmp0, 16
vinserti128 ymm_tmp4, ymm_tmp4, [p_src_row0 + r_tmp0], 1
vinserti128 ymm_tmp5, ymm_tmp5, [p_src_row1 + r_tmp0], 1
vpshufb ymm_tmp4, ymm_tmp4, ymm_xpos_int
vpshufb ymm_tmp5, ymm_tmp5, ymm_xpos_int
AVX2_BilinearFastCalcXYFrac ymm_tmp0, ymm_tmp2, ymm_tmp0, ymm_yfrac0, ymm_yfrac1
vpunpcklbw ymm_tmp3, ymm_tmp4, ymm_0
vpmaddwd ymm_tmp0, ymm_tmp0, ymm_tmp3
vpunpcklbw ymm_tmp3, ymm_tmp5, ymm_0
vpmaddwd ymm_tmp2, ymm_tmp2, ymm_tmp3
vpaddd ymm_tmp0, ymm_tmp0, ymm_tmp2
AVX2_BilinearFastCalcXYFrac ymm_tmp1, ymm_tmp3, ymm_tmp1, ymm_yfrac0, ymm_yfrac1
vpunpckhbw ymm_tmp2, ymm_tmp4, ymm_0
vpmaddwd ymm_tmp1, ymm_tmp1, ymm_tmp2
vpunpckhbw ymm_tmp2, ymm_tmp5, ymm_0
vpmaddwd ymm_tmp3, ymm_tmp3, ymm_tmp2
vpaddd ymm_tmp1, ymm_tmp1, ymm_tmp3
AVX2_BilinearFastPackDwordsToBytes ymm_tmp0, ymm_tmp1, ymm_0
vmovlps [p_dst], xmm_tmp0
vextracti128 [p_dst + 8], ymm_tmp0, 1
add p_dst, 16
AVX2_BilinearIncXposuw ymm_xpos_int, ymm_xpos_frac, ymm_xpos_int_inc, ymm_xpos_frac_inc, ymm_tmp0
%endmacro
%macro AVX2_BilinearFastDownsample4xOrLess_16px 0
vbroadcasti128 ymm_tmp0, [shufb_0000000088888888]
vpshufb ymm_tmp0, ymm_xpos_int, ymm_tmp0
vpsubb ymm_xpos_int, ymm_xpos_int, ymm_tmp0
AVX2_UnpckXFrac ymm_tmp0, ymm_tmp1, ymm_xpos_frac, ymm_ffff
mov r_tmp0, i_xpos
shr r_tmp0, 16
vmovdqu xmm_tmp4, [p_src_row0 + r_tmp0]
vmovdqu xmm_tmp3, [p_src_row1 + r_tmp0]
lea r_tmp0, [i_xpos + 4 * i_scalex2]
shr r_tmp0, 16
vinserti128 ymm_tmp4, ymm_tmp4, [p_src_row0 + r_tmp0], 1
vinserti128 ymm_tmp3, ymm_tmp3, [p_src_row1 + r_tmp0], 1
lea r_tmp0, [i_xpos + 2 * i_scalex2]
lea i_xpos, [r_tmp0 + 4 * i_scalex2]
shr r_tmp0, 16
vpunpcklbw ymm_tmp2, ymm_xpos_int, ymm_ffff
vpshufb ymm_tmp4, ymm_tmp4, ymm_tmp2
vpshufb ymm_tmp3, ymm_tmp3, ymm_tmp2
AVX2_BilinearFastCalcXYFrac ymm_tmp0, ymm_tmp2, ymm_tmp0, ymm_yfrac0, ymm_yfrac1
vpmaddwd ymm_tmp0, ymm_tmp0, ymm_tmp4
vpmaddwd ymm_tmp2, ymm_tmp2, ymm_tmp3
vpaddd ymm_tmp0, ymm_tmp0, ymm_tmp2
vmovdqu xmm_tmp4, [p_src_row0 + r_tmp0]
vmovdqu xmm_tmp3, [p_src_row1 + r_tmp0]
mov r_tmp0, i_xpos
lea i_xpos, [i_xpos + 2 * i_scalex2]
shr r_tmp0, 16
vinserti128 ymm_tmp4, ymm_tmp4, [p_src_row0 + r_tmp0], 1
vinserti128 ymm_tmp3, ymm_tmp3, [p_src_row1 + r_tmp0], 1
vpunpckhbw ymm_tmp2, ymm_xpos_int, ymm_ffff
vpshufb ymm_tmp4, ymm_tmp4, ymm_tmp2
vpshufb ymm_tmp3, ymm_tmp3, ymm_tmp2
AVX2_BilinearFastCalcXYFrac ymm_tmp1, ymm_tmp2, ymm_tmp1, ymm_yfrac0, ymm_yfrac1
vpmaddwd ymm_tmp1, ymm_tmp1, ymm_tmp4
vpmaddwd ymm_tmp2, ymm_tmp2, ymm_tmp3
vpaddd ymm_tmp1, ymm_tmp1, ymm_tmp2
AVX2_BilinearFastPackDwordsToBytes ymm_tmp0, ymm_tmp1, ymm_0
vmovlps [p_dst], xmm_tmp0
vextracti128 [p_dst + 8], ymm_tmp0, 1
add p_dst, 16
AVX2_BilinearIncXposuw ymm_xpos_int, ymm_xpos_frac, ymm_xpos_int_inc, ymm_xpos_frac_inc, ymm_tmp0
%endmacro
%macro AVX2_BilinearFastDownsample8xOrLess_16px 0
vbroadcasti128 ymm_tmp0, [shufb_000044448888CCCC]
vpshufb ymm_tmp0, ymm_xpos_int, ymm_tmp0
vpsubb ymm_xpos_int, ymm_xpos_int, ymm_tmp0
mov r_tmp0, i_xpos
shr r_tmp0, 16
vmovdqu xmm_tmp4, [p_src_row0 + r_tmp0]
vmovdqu xmm_tmp5, [p_src_row1 + r_tmp0]
lea r_tmp0, [i_xpos + 4 * i_scalex2]
add i_xpos, i_scalex2
shr r_tmp0, 16
vinserti128 ymm_tmp4, ymm_tmp4, [p_src_row0 + r_tmp0], 1
vinserti128 ymm_tmp5, ymm_tmp5, [p_src_row1 + r_tmp0], 1
mov r_tmp0, i_xpos
shr r_tmp0, 16
vmovdqu xmm_tmp0, [p_src_row0 + r_tmp0]
vmovdqu xmm_tmp1, [p_src_row1 + r_tmp0]
lea r_tmp0, [i_xpos + 4 * i_scalex2]
add i_xpos, i_scalex2
shr r_tmp0, 16
vinserti128 ymm_tmp0, ymm_tmp0, [p_src_row0 + r_tmp0], 1
vinserti128 ymm_tmp1, ymm_tmp1, [p_src_row1 + r_tmp0], 1
vpunpcklbw ymm_tmp3, ymm_xpos_int, ymm_ffff
vpshufb ymm_tmp4, ymm_tmp4, ymm_tmp3
vpshufb ymm_tmp5, ymm_tmp5, ymm_tmp3
vpshufb ymm_tmp0, ymm_tmp0, ymm_tmp3
vpshufb ymm_tmp1, ymm_tmp1, ymm_tmp3
vpblendd ymm_tmp4, ymm_tmp4, ymm_tmp0, 11001100b
vpblendd ymm_tmp5, ymm_tmp5, ymm_tmp1, 11001100b
AVX2_UnpckXFrac ymm_tmp0, ymm_tmp1, ymm_xpos_frac, ymm_ffff
AVX2_BilinearFastCalcXYFrac ymm_tmp0, ymm_tmp2, ymm_tmp0, ymm_yfrac0, ymm_yfrac1
vpmaddwd ymm_tmp0, ymm_tmp0, ymm_tmp4
vpmaddwd ymm_tmp2, ymm_tmp2, ymm_tmp5
vpaddd ymm_tmp0, ymm_tmp0, ymm_tmp2
mov r_tmp0, i_xpos
shr r_tmp0, 16
vmovdqu xmm_tmp4, [p_src_row0 + r_tmp0]
vmovdqu xmm_tmp5, [p_src_row1 + r_tmp0]
lea r_tmp0, [i_xpos + 4 * i_scalex2]
add i_xpos, i_scalex2
shr r_tmp0, 16
vinserti128 ymm_tmp4, ymm_tmp4, [p_src_row0 + r_tmp0], 1
vinserti128 ymm_tmp5, ymm_tmp5, [p_src_row1 + r_tmp0], 1
mov r_tmp0, i_xpos
lea i_xpos, [i_xpos + 4 * i_scalex2]
shr r_tmp0, 16
vmovdqu xmm_tmp2, [p_src_row0 + r_tmp0]
vmovdqu xmm_tmp3, [p_src_row1 + r_tmp0]
mov r_tmp0, i_xpos
add i_xpos, i_scalex2
shr r_tmp0, 16
vinserti128 ymm_tmp2, ymm_tmp2, [p_src_row0 + r_tmp0], 1
vinserti128 ymm_tmp3, ymm_tmp3, [p_src_row1 + r_tmp0], 1
vpshufb ymm_tmp4, ymm_tmp4, ymm_xpos_int
vpshufb ymm_tmp5, ymm_tmp5, ymm_xpos_int
vpshufb ymm_tmp2, ymm_tmp2, ymm_xpos_int
vpshufb ymm_tmp3, ymm_tmp3, ymm_xpos_int
vpblendd ymm_tmp4, ymm_tmp4, ymm_tmp2, 10001000b
vpblendd ymm_tmp5, ymm_tmp5, ymm_tmp3, 10001000b
vpunpckhbw ymm_tmp4, ymm_tmp4, ymm_0
vpunpckhbw ymm_tmp5, ymm_tmp5, ymm_0
AVX2_BilinearFastCalcXYFrac ymm_tmp1, ymm_tmp3, ymm_tmp1, ymm_yfrac0, ymm_yfrac1
vpmaddwd ymm_tmp1, ymm_tmp1, ymm_tmp4
vpmaddwd ymm_tmp3, ymm_tmp3, ymm_tmp5
vpaddd ymm_tmp1, ymm_tmp1, ymm_tmp3
AVX2_BilinearFastPackDwordsToBytes ymm_tmp0, ymm_tmp1, ymm_0
vmovlps [p_dst], xmm_tmp0
vextracti128 [p_dst + 8], ymm_tmp0, 1
add p_dst, 16
AVX2_BilinearIncXposuw ymm_xpos_int, ymm_xpos_frac, ymm_xpos_int_inc, ymm_xpos_frac_inc, ymm_tmp0
%endmacro
%macro AVX2_GeneralBilinearFastDownsample_16px 0
mov r_tmp0, i_xpos
shr r_tmp0, 16
vpbroadcastd ymm_tmp4, [p_src_row0 + r_tmp0]
vpbroadcastd ymm_tmp5, [p_src_row1 + r_tmp0]
lea r_tmp0, [i_xpos + 1 * i_scalex]
shr r_tmp0, 16
vpbroadcastd ymm_tmp0, [p_src_row0 + r_tmp0]
vpunpcklwd ymm_tmp4, ymm_tmp4, ymm_tmp0
vpbroadcastd ymm_tmp0, [p_src_row1 + r_tmp0]
vpunpcklwd ymm_tmp5, ymm_tmp5, ymm_tmp0
lea r_tmp0, [i_xpos + 2 * i_scalex]
lea i_xpos, [i_xpos + 4 * i_scalex]
shr r_tmp0, 16
vpbroadcastd ymm_tmp0, [p_src_row0 + r_tmp0]
vpblendd ymm_tmp4, ymm_tmp4, ymm_tmp0, 00100010b
vpbroadcastd ymm_tmp0, [p_src_row1 + r_tmp0]
vpblendd ymm_tmp5, ymm_tmp5, ymm_tmp0, 00100010b
mov r_tmp0, i_xpos
sub r_tmp0, i_scalex
shr r_tmp0, 16
vpbroadcastd ymm_tmp0, [p_src_row0 + r_tmp0 - 2]
vpblendw ymm_tmp4, ymm_tmp4, ymm_tmp0, 1000b
vpbroadcastd ymm_tmp0, [p_src_row1 + r_tmp0 - 2]
vpblendw ymm_tmp5, ymm_tmp5, ymm_tmp0, 1000b
mov r_tmp0, i_xpos
shr r_tmp0, 16
vpbroadcastd ymm_tmp2, [p_src_row0 + r_tmp0]
vpbroadcastd ymm_tmp3, [p_src_row1 + r_tmp0]
lea r_tmp0, [i_xpos + 1 * i_scalex]
shr r_tmp0, 16
vpbroadcastd ymm_tmp0, [p_src_row0 + r_tmp0]
vpunpcklwd ymm_tmp2, ymm_tmp2, ymm_tmp0
vpbroadcastd ymm_tmp0, [p_src_row1 + r_tmp0]
vpunpcklwd ymm_tmp3, ymm_tmp3, ymm_tmp0
lea r_tmp0, [i_xpos + 2 * i_scalex]
lea i_xpos, [i_xpos + 4 * i_scalex]
shr r_tmp0, 16
vpbroadcastd ymm_tmp0, [p_src_row0 + r_tmp0]
vpblendd ymm_tmp2, ymm_tmp2, ymm_tmp0, 00100010b
vpbroadcastd ymm_tmp0, [p_src_row1 + r_tmp0]
vpblendd ymm_tmp3, ymm_tmp3, ymm_tmp0, 00100010b
mov r_tmp0, i_xpos
sub r_tmp0, i_scalex
shr r_tmp0, 16
vpbroadcastd ymm_tmp0, [p_src_row0 + r_tmp0 - 2]
vpblendw ymm_tmp2, ymm_tmp2, ymm_tmp0, 1000b
vpbroadcastd ymm_tmp0, [p_src_row1 + r_tmp0 - 2]
vpblendw ymm_tmp3, ymm_tmp3, ymm_tmp0, 1000b
mov r_tmp0, i_xpos
shr r_tmp0, 16
vmovd xmm_tmp0, [p_src_row0 + r_tmp0]
vmovd xmm_tmp1, [p_src_row1 + r_tmp0]
lea r_tmp0, [i_xpos + i_scalex]
shr r_tmp0, 16
vpinsrw xmm_tmp0, [p_src_row0 + r_tmp0], 1
vpinsrw xmm_tmp1, [p_src_row1 + r_tmp0], 1
lea r_tmp0, [i_xpos + 2 * i_scalex]
lea i_xpos, [i_xpos + 4 * i_scalex]
shr r_tmp0, 16
vpinsrw xmm_tmp0, [p_src_row0 + r_tmp0], 2
vpinsrw xmm_tmp1, [p_src_row1 + r_tmp0], 2
mov r_tmp0, i_xpos
sub r_tmp0, i_scalex
shr r_tmp0, 16
vpinsrw xmm_tmp0, [p_src_row0 + r_tmp0], 3
vpinsrw xmm_tmp1, [p_src_row1 + r_tmp0], 3
vpblendd ymm_tmp4, ymm_tmp4, ymm_tmp0, 00001111b
vpblendd ymm_tmp5, ymm_tmp5, ymm_tmp1, 00001111b
mov r_tmp0, i_xpos
shr r_tmp0, 16
vmovd xmm_tmp0, [p_src_row0 + r_tmp0]
vmovd xmm_tmp1, [p_src_row1 + r_tmp0]
lea r_tmp0, [i_xpos + i_scalex]
shr r_tmp0, 16
vpinsrw xmm_tmp0, [p_src_row0 + r_tmp0], 1
vpinsrw xmm_tmp1, [p_src_row1 + r_tmp0], 1
lea r_tmp0, [i_xpos + 2 * i_scalex]
lea i_xpos, [i_xpos + 4 * i_scalex]
shr r_tmp0, 16
vpinsrw xmm_tmp0, [p_src_row0 + r_tmp0], 2
vpinsrw xmm_tmp1, [p_src_row1 + r_tmp0], 2
mov r_tmp0, i_xpos
sub r_tmp0, i_scalex
shr r_tmp0, 16
vpinsrw xmm_tmp0, [p_src_row0 + r_tmp0], 3
vpinsrw xmm_tmp1, [p_src_row1 + r_tmp0], 3
vpblendd ymm_tmp2, ymm_tmp2, ymm_tmp0, 00001111b
vpblendd ymm_tmp3, ymm_tmp3, ymm_tmp1, 00001111b
vpunpcklbw ymm_tmp4, ymm_tmp4, ymm_0
vpunpcklbw ymm_tmp5, ymm_tmp5, ymm_0
AVX2_BilinearFastCalcXYFrac ymm_tmp0, ymm_tmp1, ymm_xfrac0, ymm_yfrac0, ymm_yfrac1
vpmaddwd ymm_tmp0, ymm_tmp0, ymm_tmp4
vpmaddwd ymm_tmp1, ymm_tmp1, ymm_tmp5
vpaddd ymm_tmp0, ymm_tmp0, ymm_tmp1
vpunpcklbw ymm_tmp4, ymm_tmp2, ymm_0
vpunpcklbw ymm_tmp5, ymm_tmp3, ymm_0
AVX2_BilinearFastCalcXYFrac ymm_tmp1, ymm_tmp2, ymm_xfrac1, ymm_yfrac0, ymm_yfrac1
vpmaddwd ymm_tmp1, ymm_tmp1, ymm_tmp4
vpmaddwd ymm_tmp2, ymm_tmp2, ymm_tmp5
vpaddd ymm_tmp1, ymm_tmp1, ymm_tmp2
AVX2_BilinearFastPackDwordsToBytes ymm_tmp0, ymm_tmp1, ymm_0
vpermq ymm_tmp0, ymm_tmp0, 0010b
vmovdqu [p_dst], xmm_tmp0
add p_dst, 16
vpaddw ymm_xfrac0, ymm_xfrac0, ymm_xfrac_inc
vpaddw ymm_xfrac1, ymm_xfrac1, ymm_xfrac_inc
%endmacro
; xpos_int=%1 xpos_frac=%2 inc_int=%3 inc_frac=%4 7FFFh=%5 tmp=%6,%7
%macro AVX2_BilinearIncXposw 7
vpaddb %1, %1, %3
vpaddw %6, %2, %4
vpcmpgtw %7, %2, %6
vpsubb %1, %1, %7 ; add carry
vpand %2, %6, %5
%endmacro
; res>>29=%1 data0=%2 data1=%3 frac0=%4 frac1=%5 tmp=%6
%macro AVX2_LinearAccurateInterpolateVerticalDwords 6
vpshufd %1, %2, 10110001b
vpshufd %6, %3, 10110001b
vpmuludq %1, %1, %4
vpmuludq %6, %6, %5
vpaddq %1, %1, %6
vpmuludq %2, %2, %4
vpmuludq %3, %3, %5
vpaddq %2, %2, %3
vpsllq %1, %1, 3
vpsrlq %2, %2, 29
vpblendd %1, %1, %2, 01010101b
%endmacro
%macro AVX2_BilinearAccurateDownsample2xOrLess_16px 0
vpshufb ymm_tmp0, ymm_xpos_int, ymm_0
vpsubb ymm_xpos_int, ymm_xpos_int, ymm_tmp0
AVX2_UnpckXFrac ymm_tmp0, ymm_tmp1, ymm_xpos_frac, ymm_7fff
mov r_tmp0, i_xpos
shr r_tmp0, 16
vmovdqu xmm_tmp4, [p_src_row0 + r_tmp0]
vmovdqu xmm_tmp5, [p_src_row1 + r_tmp0]
lea r_tmp0, [i_xpos + 4 * i_scalex2]
lea i_xpos, [i_xpos + 8 * i_scalex2]
shr r_tmp0, 16
vinserti128 ymm_tmp4, ymm_tmp4, [p_src_row0 + r_tmp0], 1
vinserti128 ymm_tmp5, ymm_tmp5, [p_src_row1 + r_tmp0], 1
vpshufb ymm_tmp4, ymm_tmp4, ymm_xpos_int
vpshufb ymm_tmp5, ymm_tmp5, ymm_xpos_int
vpunpcklbw ymm_tmp2, ymm_tmp4, ymm_0
vpunpcklbw ymm_tmp3, ymm_tmp5, ymm_0
vpunpckhbw ymm_tmp4, ymm_tmp4, ymm_0
vpunpckhbw ymm_tmp5, ymm_tmp5, ymm_0
vpmaddwd ymm_tmp2, ymm_tmp2, ymm_tmp0
vpmaddwd ymm_tmp3, ymm_tmp3, ymm_tmp0
vpmaddwd ymm_tmp4, ymm_tmp4, ymm_tmp1
vpmaddwd ymm_tmp5, ymm_tmp5, ymm_tmp1
AVX2_LinearAccurateInterpolateVerticalDwords ymm_tmp0, ymm_tmp2, ymm_tmp3, ymm_yfrac0, ymm_yfrac1, ymm_tmp1
AVX2_LinearAccurateInterpolateVerticalDwords ymm_tmp1, ymm_tmp4, ymm_tmp5, ymm_yfrac0, ymm_yfrac1, ymm_tmp2
vpackssdw ymm_tmp0, ymm_tmp0, ymm_tmp1
vpavgw ymm_tmp0, ymm_tmp0, ymm_0
vpackuswb ymm_tmp0, ymm_tmp0, ymm_tmp0
vmovlps [p_dst], xmm_tmp0
vextracti128 [p_dst + 8], ymm_tmp0, 1
add p_dst, 16
AVX2_BilinearIncXposw ymm_xpos_int, ymm_xpos_frac, ymm_xpos_int_inc, ymm_xpos_frac_inc, ymm_7fff, ymm_tmp0, ymm_tmp1
%endmacro
%macro AVX2_BilinearAccurateDownsample4xOrLess_16px 0
vbroadcasti128 ymm_tmp0, [shufb_0000000088888888]
vpshufb ymm_tmp0, ymm_xpos_int, ymm_tmp0
vpsubb ymm_xpos_int, ymm_xpos_int, ymm_tmp0
AVX2_UnpckXFrac ymm_tmp0, ymm_tmp1, ymm_xpos_frac, ymm_7fff
mov r_tmp0, i_xpos
shr r_tmp0, 16
vmovdqu xmm_tmp4, [p_src_row0 + r_tmp0]
vmovdqu xmm_tmp2, [p_src_row1 + r_tmp0]
lea r_tmp0, [i_xpos + 4 * i_scalex2]
shr r_tmp0, 16
vinserti128 ymm_tmp4, ymm_tmp4, [p_src_row0 + r_tmp0], 1
vinserti128 ymm_tmp2, ymm_tmp2, [p_src_row1 + r_tmp0], 1
lea r_tmp0, [i_xpos + 2 * i_scalex2]
lea i_xpos, [r_tmp0 + 4 * i_scalex2]
shr r_tmp0, 16
vpunpcklbw ymm_tmp3, ymm_xpos_int, [db80h_256]
vpshufb ymm_tmp4, ymm_tmp4, ymm_tmp3
vpshufb ymm_tmp2, ymm_tmp2, ymm_tmp3
vpmaddwd ymm_tmp4, ymm_tmp4, ymm_tmp0
vpmaddwd ymm_tmp2, ymm_tmp2, ymm_tmp0
AVX2_LinearAccurateInterpolateVerticalDwords ymm_tmp0, ymm_tmp4, ymm_tmp2, ymm_yfrac0, ymm_yfrac1, ymm_tmp3
vmovdqu xmm_tmp4, [p_src_row0 + r_tmp0]
vmovdqu xmm_tmp2, [p_src_row1 + r_tmp0]
mov r_tmp0, i_xpos
lea i_xpos, [i_xpos + 2 * i_scalex2]
shr r_tmp0, 16
vinserti128 ymm_tmp4, ymm_tmp4, [p_src_row0 + r_tmp0], 1
vinserti128 ymm_tmp2, ymm_tmp2, [p_src_row1 + r_tmp0], 1
vpunpckhbw ymm_tmp3, ymm_xpos_int, [db80h_256]
vpshufb ymm_tmp4, ymm_tmp4, ymm_tmp3
vpshufb ymm_tmp2, ymm_tmp2, ymm_tmp3
vpmaddwd ymm_tmp4, ymm_tmp4, ymm_tmp1
vpmaddwd ymm_tmp2, ymm_tmp2, ymm_tmp1
AVX2_LinearAccurateInterpolateVerticalDwords ymm_tmp1, ymm_tmp4, ymm_tmp2, ymm_yfrac0, ymm_yfrac1, ymm_tmp3
vpackssdw ymm_tmp0, ymm_tmp0, ymm_tmp1
vpavgw ymm_tmp0, ymm_tmp0, ymm_0
vpackuswb ymm_tmp0, ymm_tmp0, ymm_tmp0
vmovlps [p_dst], xmm_tmp0
vextracti128 [p_dst + 8], ymm_tmp0, 1
add p_dst, 16
AVX2_BilinearIncXposw ymm_xpos_int, ymm_xpos_frac, ymm_xpos_int_inc, ymm_xpos_frac_inc, ymm_7fff, ymm_tmp0, ymm_tmp1
%endmacro
%macro AVX2_BilinearAccurateDownsample8xOrLess_16px 0
vbroadcasti128 ymm_tmp0, [shufb_000044448888CCCC]
vpshufb ymm_tmp0, ymm_xpos_int, ymm_tmp0
vpsubb ymm_xpos_int, ymm_xpos_int, ymm_tmp0
mov r_tmp0, i_xpos
shr r_tmp0, 16
vmovdqu xmm_tmp4, [p_src_row0 + r_tmp0]
vmovdqu xmm_tmp5, [p_src_row1 + r_tmp0]
lea r_tmp0, [i_xpos + 4 * i_scalex2]
add i_xpos, i_scalex2
shr r_tmp0, 16
vinserti128 ymm_tmp4, ymm_tmp4, [p_src_row0 + r_tmp0], 1
vinserti128 ymm_tmp5, ymm_tmp5, [p_src_row1 + r_tmp0], 1
mov r_tmp0, i_xpos
shr r_tmp0, 16
vmovdqu xmm_tmp0, [p_src_row0 + r_tmp0]
vmovdqu xmm_tmp1, [p_src_row1 + r_tmp0]
lea r_tmp0, [i_xpos + 4 * i_scalex2]
add i_xpos, i_scalex2
shr r_tmp0, 16
vinserti128 ymm_tmp0, ymm_tmp0, [p_src_row0 + r_tmp0], 1
vinserti128 ymm_tmp1, ymm_tmp1, [p_src_row1 + r_tmp0], 1
vpunpcklbw ymm_tmp3, ymm_xpos_int, [db80h_256]
vpshufb ymm_tmp4, ymm_tmp4, ymm_tmp3
vpshufb ymm_tmp5, ymm_tmp5, ymm_tmp3
vpshufb ymm_tmp0, ymm_tmp0, ymm_tmp3
vpshufb ymm_tmp1, ymm_tmp1, ymm_tmp3
vpblendd ymm_tmp4, ymm_tmp4, ymm_tmp0, 11001100b
vpblendd ymm_tmp5, ymm_tmp5, ymm_tmp1, 11001100b
AVX2_UnpckXFrac ymm_tmp0, ymm_tmp1, ymm_xpos_frac, ymm_7fff
vpmaddwd ymm_tmp4, ymm_tmp4, ymm_tmp0
vpmaddwd ymm_tmp5, ymm_tmp5, ymm_tmp0
AVX2_LinearAccurateInterpolateVerticalDwords ymm_tmp0, ymm_tmp4, ymm_tmp5, ymm_yfrac0, ymm_yfrac1, ymm_tmp3
mov r_tmp0, i_xpos
shr r_tmp0, 16
vmovdqu xmm_tmp4, [p_src_row0 + r_tmp0]
vmovdqu xmm_tmp5, [p_src_row1 + r_tmp0]
lea r_tmp0, [i_xpos + 4 * i_scalex2]
add i_xpos, i_scalex2
shr r_tmp0, 16
vinserti128 ymm_tmp4, ymm_tmp4, [p_src_row0 + r_tmp0], 1
vinserti128 ymm_tmp5, ymm_tmp5, [p_src_row1 + r_tmp0], 1
mov r_tmp0, i_xpos
lea i_xpos, [i_xpos + 4 * i_scalex2]
shr r_tmp0, 16
vmovdqu xmm_tmp2, [p_src_row0 + r_tmp0]
vmovdqu xmm_tmp3, [p_src_row1 + r_tmp0]
mov r_tmp0, i_xpos
add i_xpos, i_scalex2
shr r_tmp0, 16
vinserti128 ymm_tmp2, ymm_tmp2, [p_src_row0 + r_tmp0], 1
vinserti128 ymm_tmp3, ymm_tmp3, [p_src_row1 + r_tmp0], 1
vpshufb ymm_tmp4, ymm_tmp4, ymm_xpos_int
vpshufb ymm_tmp5, ymm_tmp5, ymm_xpos_int
vpshufb ymm_tmp2, ymm_tmp2, ymm_xpos_int
vpshufb ymm_tmp3, ymm_tmp3, ymm_xpos_int
vpblendd ymm_tmp4, ymm_tmp4, ymm_tmp2, 10001000b
vpblendd ymm_tmp5, ymm_tmp5, ymm_tmp3, 10001000b
vpunpckhbw ymm_tmp4, ymm_tmp4, ymm_0
vpunpckhbw ymm_tmp5, ymm_tmp5, ymm_0
vpmaddwd ymm_tmp4, ymm_tmp4, ymm_tmp1
vpmaddwd ymm_tmp5, ymm_tmp5, ymm_tmp1
AVX2_LinearAccurateInterpolateVerticalDwords ymm_tmp1, ymm_tmp4, ymm_tmp5, ymm_yfrac0, ymm_yfrac1, ymm_tmp3
vpackssdw ymm_tmp0, ymm_tmp0, ymm_tmp1
vpavgw ymm_tmp0, ymm_tmp0, ymm_0
vpackuswb ymm_tmp0, ymm_tmp0, ymm_tmp0
vmovlps [p_dst], xmm_tmp0
vextracti128 [p_dst + 8], ymm_tmp0, 1
add p_dst, 16
AVX2_BilinearIncXposw ymm_xpos_int, ymm_xpos_frac, ymm_xpos_int_inc, ymm_xpos_frac_inc, ymm_7fff, ymm_tmp0, ymm_tmp1
%endmacro
%macro AVX2_GeneralBilinearAccurateDownsample_16px 0
mov r_tmp0, i_xpos
shr r_tmp0, 16
vpbroadcastd ymm_tmp4, [p_src_row0 + r_tmp0]
vpbroadcastd ymm_tmp5, [p_src_row1 + r_tmp0]
lea r_tmp0, [i_xpos + 1 * i_scalex]
shr r_tmp0, 16
vpbroadcastd ymm_tmp0, [p_src_row0 + r_tmp0]
vpunpcklwd ymm_tmp4, ymm_tmp4, ymm_tmp0
vpbroadcastd ymm_tmp0, [p_src_row1 + r_tmp0]
vpunpcklwd ymm_tmp5, ymm_tmp5, ymm_tmp0
lea r_tmp0, [i_xpos + 2 * i_scalex]
lea i_xpos, [i_xpos + 4 * i_scalex]
shr r_tmp0, 16
vpbroadcastd ymm_tmp0, [p_src_row0 + r_tmp0]
vpblendd ymm_tmp4, ymm_tmp4, ymm_tmp0, 00100010b
vpbroadcastd ymm_tmp0, [p_src_row1 + r_tmp0]
vpblendd ymm_tmp5, ymm_tmp5, ymm_tmp0, 00100010b
mov r_tmp0, i_xpos
sub r_tmp0, i_scalex
shr r_tmp0, 16
vpbroadcastd ymm_tmp0, [p_src_row0 + r_tmp0 - 2]
vpblendw ymm_tmp4, ymm_tmp4, ymm_tmp0, 1000b
vpbroadcastd ymm_tmp0, [p_src_row1 + r_tmp0 - 2]
vpblendw ymm_tmp5, ymm_tmp5, ymm_tmp0, 1000b
mov r_tmp0, i_xpos
shr r_tmp0, 16
vpbroadcastd ymm_tmp2, [p_src_row0 + r_tmp0]
vpbroadcastd ymm_tmp3, [p_src_row1 + r_tmp0]
lea r_tmp0, [i_xpos + 1 * i_scalex]
shr r_tmp0, 16
vpbroadcastd ymm_tmp0, [p_src_row0 + r_tmp0]
vpunpcklwd ymm_tmp2, ymm_tmp2, ymm_tmp0
vpbroadcastd ymm_tmp0, [p_src_row1 + r_tmp0]
vpunpcklwd ymm_tmp3, ymm_tmp3, ymm_tmp0
lea r_tmp0, [i_xpos + 2 * i_scalex]
lea i_xpos, [i_xpos + 4 * i_scalex]
shr r_tmp0, 16
vpbroadcastd ymm_tmp0, [p_src_row0 + r_tmp0]
vpblendd ymm_tmp2, ymm_tmp2, ymm_tmp0, 00100010b
vpbroadcastd ymm_tmp0, [p_src_row1 + r_tmp0]
vpblendd ymm_tmp3, ymm_tmp3, ymm_tmp0, 00100010b
mov r_tmp0, i_xpos
sub r_tmp0, i_scalex
shr r_tmp0, 16
vpbroadcastd ymm_tmp0, [p_src_row0 + r_tmp0 - 2]
vpblendw ymm_tmp2, ymm_tmp2, ymm_tmp0, 1000b
vpbroadcastd ymm_tmp0, [p_src_row1 + r_tmp0 - 2]
vpblendw ymm_tmp3, ymm_tmp3, ymm_tmp0, 1000b
mov r_tmp0, i_xpos
shr r_tmp0, 16
vmovd xmm_tmp0, [p_src_row0 + r_tmp0]
vmovd xmm_tmp1, [p_src_row1 + r_tmp0]
lea r_tmp0, [i_xpos + i_scalex]
shr r_tmp0, 16
vpinsrw xmm_tmp0, [p_src_row0 + r_tmp0], 1
vpinsrw xmm_tmp1, [p_src_row1 + r_tmp0], 1
lea r_tmp0, [i_xpos + 2 * i_scalex]
lea i_xpos, [i_xpos + 4 * i_scalex]
shr r_tmp0, 16
vpinsrw xmm_tmp0, [p_src_row0 + r_tmp0], 2
vpinsrw xmm_tmp1, [p_src_row1 + r_tmp0], 2
mov r_tmp0, i_xpos
sub r_tmp0, i_scalex
shr r_tmp0, 16
vpinsrw xmm_tmp0, [p_src_row0 + r_tmp0], 3
vpinsrw xmm_tmp1, [p_src_row1 + r_tmp0], 3
vpblendd ymm_tmp4, ymm_tmp4, ymm_tmp0, 00001111b
vpblendd ymm_tmp5, ymm_tmp5, ymm_tmp1, 00001111b
mov r_tmp0, i_xpos
shr r_tmp0, 16
vmovd xmm_tmp0, [p_src_row0 + r_tmp0]
vmovd xmm_tmp1, [p_src_row1 + r_tmp0]
lea r_tmp0, [i_xpos + i_scalex]
shr r_tmp0, 16
vpinsrw xmm_tmp0, [p_src_row0 + r_tmp0], 1
vpinsrw xmm_tmp1, [p_src_row1 + r_tmp0], 1
lea r_tmp0, [i_xpos + 2 * i_scalex]
lea i_xpos, [i_xpos + 4 * i_scalex]
shr r_tmp0, 16
vpinsrw xmm_tmp0, [p_src_row0 + r_tmp0], 2
vpinsrw xmm_tmp1, [p_src_row1 + r_tmp0], 2
mov r_tmp0, i_xpos
sub r_tmp0, i_scalex
shr r_tmp0, 16
vpinsrw xmm_tmp0, [p_src_row0 + r_tmp0], 3
vpinsrw xmm_tmp1, [p_src_row1 + r_tmp0], 3
vpblendd ymm_tmp2, ymm_tmp2, ymm_tmp0, 00001111b
vpblendd ymm_tmp3, ymm_tmp3, ymm_tmp1, 00001111b
vpunpcklbw ymm_tmp4, ymm_tmp4, ymm_0
vpunpcklbw ymm_tmp5, ymm_tmp5, ymm_0
vpmaddwd ymm_tmp4, ymm_tmp4, ymm_xfrac0
vpmaddwd ymm_tmp5, ymm_tmp5, ymm_xfrac0
AVX2_LinearAccurateInterpolateVerticalDwords ymm_tmp0, ymm_tmp4, ymm_tmp5, ymm_yfrac0, ymm_yfrac1, ymm_tmp1
vpunpcklbw ymm_tmp4, ymm_tmp2, ymm_0
vpunpcklbw ymm_tmp5, ymm_tmp3, ymm_0
vpmaddwd ymm_tmp4, ymm_tmp4, ymm_xfrac1
vpmaddwd ymm_tmp5, ymm_tmp5, ymm_xfrac1
AVX2_LinearAccurateInterpolateVerticalDwords ymm_tmp1, ymm_tmp4, ymm_tmp5, ymm_yfrac0, ymm_yfrac1, ymm_tmp2
vpackssdw ymm_tmp0, ymm_tmp0, ymm_tmp1
vpavgw ymm_tmp0, ymm_tmp0, ymm_0
vpackuswb ymm_tmp0, ymm_tmp0, ymm_tmp0
vextracti128 [p_dst], ymm_tmp0, 1
vmovlps [p_dst + 8], xmm_tmp0
add p_dst, 16
vpaddw ymm_xfrac0, ymm_xfrac0, ymm_xfrac_inc
vpaddw ymm_xfrac1, ymm_xfrac1, ymm_xfrac_inc
vpand ymm_xfrac0, ymm_xfrac0, ymm_7fff
vpand ymm_xfrac1, ymm_xfrac1, ymm_7fff
%endmacro
; downsample_16px_macro=%1 b_fast=%2
%macro AVX2_GeneralBilinearDownsampler_loop 2
%%height:
mov p_src_row0, i_ypos
shr p_src_row0, 15
imul p_src_row0, i_src_stride
add p_src_row0, p_src
mov p_src_row1, p_src_row0
add p_src_row1, i_src_stride
%ifdef X86_32
%if %2
vpbroadcastw ymm_tmp1, i_ypos
vpsllw ymm_tmp1, ymm_tmp1, 1
vpsrlw ymm_tmp1, ymm_tmp1, 1
vpcmpeqw ymm_tmp0, ymm_tmp0, ymm_tmp0
vpsrlw ymm_tmp0, ymm_tmp0, 1
%else
vpbroadcastd ymm_tmp1, i_ypos
vpslld ymm_tmp1, ymm_tmp1, 17
vpsrld ymm_tmp1, ymm_tmp1, 17
vpcmpeqw ymm_tmp0, ymm_tmp0, ymm_tmp0
vpsrld ymm_tmp0, ymm_tmp0, 17
%endif
vpxor ymm_tmp0, ymm_tmp0, ymm_tmp1
vmovdqa ymm_yfrac0, ymm_tmp0
vmovdqa ymm_yfrac1, ymm_tmp1
%else
vmovd xmm_tmp0, i_yposd
vpbroadcastw ymm_yfrac1, xmm_tmp0
%if %2
vpsllw ymm_yfrac1, ymm_yfrac1, 1
vpsrlw ymm_yfrac1, ymm_yfrac1, 1
vpcmpeqw ymm_yfrac0, ymm_yfrac0, ymm_yfrac0
vpsrlw ymm_yfrac0, ymm_yfrac0, 1
%else
vpslld ymm_yfrac1, ymm_yfrac1, 17
vpsrld ymm_yfrac1, ymm_yfrac1, 17
vpcmpeqw ymm_yfrac0, ymm_yfrac0, ymm_yfrac0
vpsrld ymm_yfrac0, ymm_yfrac0, 17
%endif
vpxor ymm_yfrac0, ymm_yfrac0, ymm_yfrac1
%endif
mov i_xpos, 1 << 15
mov i_width_cnt, i_dst_width
sub i_width_cnt, 1
%ifdef ymm_xpos_int
vmovdqa ymm_xpos_int, ymm_xpos_int_begin
vmovdqa ymm_xpos_frac, ymm_xpos_frac_begin
%else
vmovdqa ymm_xfrac0, ymm_xfrac0_begin
vmovdqa ymm_xfrac1, ymm_xfrac1_begin
%endif
%%width:
%1
sub i_width_cnt, 16
jg %%width
lea p_dst, [p_dst + i_width_cnt + 1]
%ifdef i_scalex2
mov r_tmp0, i_scalex2
shr r_tmp0, 1
imul i_width_cnt, r_tmp0
%else
imul i_width_cnt, i_scalex
%endif
add i_xpos, i_width_cnt
shr i_xpos, 16
movzx r_tmp0, byte [p_src_row0 + i_xpos]
mov [p_dst - 1], r_tmp0b
%ifdef X86_32
mov r_tmp0, i_scaleyd
add i_yposd, r_tmp0
%else
add i_yposd, i_scaleyd
%endif
add p_dst, i_dst_stride_less_width
sub i_dst_height, 1
jg %%height
%endmacro
;**************************************************************************************************************
;void GeneralBilinearFastDownsampler_avx2 (uint8_t* pDst, int32_t iDstStride, int32_t iDstWidth,
; int32_t iDstHeight, uint8_t* pSrc, int32_t iSrcStride, uint32_t uiScaleX,
; uint32_t uiScaleY);
;
;**************************************************************************************************************
WELS_EXTERN GeneralBilinearFastDownsampler_avx2
%assign push_num 0
%ifndef X86_32
push r12
push r13
push rbx
push rbp
%assign push_num 4
%ifdef WIN64
push rdi
push rsi
%assign push_num push_num + 2
%endif
%endif
LOAD_7_PARA
PUSH_XMM 16
SIGN_EXTENSION r1, r1d
SIGN_EXTENSION r2, r2d
SIGN_EXTENSION r3, r3d
SIGN_EXTENSION r5, r5d
ZERO_EXTENSION r6d
sub r1, r2 ; dst_stride - dst_width
%ifdef X86_32
vmovd xmm0, arg8
vmovd xmm1, esp
and esp, -32
sub esp, 8 * 4 + 8 * 32
vmovd [esp], xmm1
%define p_dst r0
%define i_dst_stride_less_width [esp + 1 * 4]
%define i_dst_width [esp + 2 * 4]
%define i_dst_height dword [esp + 3 * 4]
%define p_src [esp + 4 * 4]
%define i_src_stride [esp + 5 * 4]
%define i_scalex r6
%define i_scalexd r6d
%define i_scaleyd [esp + 6 * 4]
%define i_xpos r2
%define i_ypos [esp + 7 * 4]
%define i_yposd dword [esp + 7 * 4]
%define p_src_row0 r3
%define p_src_row1 r4
%define i_width_cnt r5
%define r_tmp0 r1
%define r_tmp0b r1b
%define ymm_xpos_frac ymm1
%define ymm_xpos_frac_inc [esp + 8 * 4]
%define ymm_xpos_int ymm3
%define ymm_xpos_int_inc [esp + 8 * 4 + 1 * 32]
%define ymm_yfrac0 [esp + 8 * 4 + 2 * 32]
%define ymm_yfrac1 [esp + 8 * 4 + 3 * 32]
%define xmm_tmp0 xmm7
%define ymm_tmp0 ymm7
%define xmm_tmp1 xmm0
%define ymm_tmp1 ymm0
%define xmm_tmp2 xmm2
%define ymm_tmp2 ymm2
%define xmm_tmp3 xmm4
%define ymm_tmp3 ymm4
%define xmm_tmp4 xmm5
%define ymm_tmp4 ymm5
%define xmm_tmp5 xmm6
%define ymm_tmp5 ymm6
%define ymm_0 [esp + 8 * 4 + 4 * 32]
%define ymm_ffff [esp + 8 * 4 + 5 * 32]
%define ymm_xpos_int_begin [esp + 8 * 4 + 6 * 32]
%define ymm_xpos_frac_begin [esp + 8 * 4 + 7 * 32]
mov i_dst_stride_less_width, r1
mov i_dst_width, r2
mov i_dst_height, r3
mov p_src, r4
mov i_src_stride, r5
vmovd i_scaleyd, xmm0
vpxor xmm0, xmm0, xmm0
vmovdqa ymm_0, ymm0
vpcmpeqw ymm_tmp0, ymm_tmp0, ymm_tmp0
vmovdqa ymm_ffff, ymm_tmp0
%else
%define p_dst r0
%define i_dst_stride_less_width r1
%define i_dst_width r2
%define i_dst_height r3
%define p_src r4
%define i_src_stride r5
%define i_scalex r6
%define i_scalexd r6d
%define i_scaleyd dword arg8d
%define i_xpos r12
%define i_ypos r13
%define i_yposd r13d
%define p_src_row0 rbp
%ifdef WIN64
%define p_src_row1 rsi
%define i_width_cnt rdi
%else
%define p_src_row1 r11
%define i_width_cnt rax
%endif
%define r_tmp0 rbx
%define r_tmp0b bl
%define ymm_0 ymm0
%define ymm_xpos_frac ymm1
%define ymm_xpos_frac_inc ymm2
%define ymm_xpos_int ymm3
%define ymm_xpos_int_inc ymm4
%define ymm_yfrac0 ymm5
%define ymm_yfrac1 ymm6
%define xmm_tmp0 xmm7
%define ymm_tmp0 ymm7
%define xmm_tmp1 xmm8
%define ymm_tmp1 ymm8
%define xmm_tmp2 xmm9
%define ymm_tmp2 ymm9
%define xmm_tmp3 xmm10
%define ymm_tmp3 ymm10
%define xmm_tmp4 xmm11
%define ymm_tmp4 ymm11
%define xmm_tmp5 xmm12
%define ymm_tmp5 ymm12
%define ymm_ffff ymm13
%define ymm_xpos_int_begin ymm14
%define ymm_xpos_frac_begin ymm15
vpxor ymm_0, ymm_0, ymm_0
vpcmpeqw ymm_ffff, ymm_ffff, ymm_ffff
%endif
sub i_dst_height, 1
je .final_row
jl .done
mov i_yposd, 1 << 14
vmovd xmm_tmp0, i_scalexd
vpbroadcastd ymm_tmp0, xmm_tmp0
vpslld ymm_tmp1, ymm_tmp0, 2
vpslld ymm_tmp2, ymm_tmp0, 3
vpaddd ymm_tmp3, ymm_tmp1, ymm_tmp2
vpxor ymm_tmp4, ymm_tmp4, ymm_tmp4
vpblendd ymm_tmp1, ymm_tmp4, ymm_tmp1, 11110000b
vpblendd ymm_tmp2, ymm_tmp2, ymm_tmp3, 11110000b
vpaddd ymm_tmp3, ymm_tmp0, ymm_tmp0
vpblendd ymm_tmp3, ymm_tmp4, ymm_tmp3, 11001100b
vpblendd ymm_tmp0, ymm_tmp4, ymm_tmp0, 10101010b
vpaddd ymm_tmp0, ymm_tmp3, ymm_tmp0
vpaddd ymm_tmp1, ymm_tmp1, ymm_tmp0
vpaddd ymm_tmp2, ymm_tmp2, ymm_tmp0
vpcmpeqw ymm_tmp3, ymm_tmp3, ymm_tmp3
vpsrld ymm_tmp3, ymm_tmp3, 31
vpslld ymm_tmp3, ymm_tmp3, 15
vpaddd ymm_tmp1, ymm_tmp1, ymm_tmp3
vpaddd ymm_tmp2, ymm_tmp2, ymm_tmp3
vpsrld ymm_xpos_int, ymm_tmp1, 16
vpsrld ymm_tmp0, ymm_tmp2, 16
vpackssdw ymm_xpos_int, ymm_xpos_int, ymm_tmp0
vpermq ymm_xpos_int, ymm_xpos_int, 11011000b
vpackuswb ymm_xpos_int, ymm_xpos_int, ymm_xpos_int
vpcmpeqw ymm_tmp3, ymm_tmp3, ymm_tmp3
vpsubb ymm_tmp0, ymm_xpos_int, ymm_tmp3
vpunpcklbw ymm_xpos_int, ymm_xpos_int, ymm_tmp0
vpslld ymm_tmp1, ymm_tmp1, 16
vpsrld ymm_tmp1, ymm_tmp1, 16
vpslld ymm_tmp2, ymm_tmp2, 16
vpsrld ymm_tmp2, ymm_tmp2, 16
vpackusdw ymm_xpos_frac, ymm_tmp1, ymm_tmp2
vpermq ymm_xpos_frac, ymm_xpos_frac, 11011000b
vmovd xmm_tmp0, i_scalexd
vpslld xmm_tmp0, xmm_tmp0, 4
vpbroadcastw ymm_tmp1, xmm_tmp0
vmovdqa ymm_xpos_frac_inc, ymm_tmp1
vpsrld xmm_tmp0, xmm_tmp0, 16
vpsubw ymm_tmp0, ymm_tmp0, ymm_tmp3
vpbroadcastb ymm_tmp0, xmm_tmp0
vmovdqa ymm_xpos_int_inc, ymm_tmp0
vmovdqa ymm_xpos_int_begin, ymm_xpos_int
vmovdqa ymm_xpos_frac_begin, ymm_xpos_frac
cmp i_scalex, 4 << 16
ja .scalex_above4
cmp i_scalex, 2 << 16
ja .scalex_above2_beloweq4
add i_scalex, i_scalex
%xdefine i_scalex2 i_scalex
%undef i_scalex
AVX2_GeneralBilinearDownsampler_loop AVX2_BilinearFastDownsample2xOrLess_16px, 1
shr i_scalex2, 1
%xdefine i_scalex i_scalex2
%undef i_scalex2
jmp .final_row
.scalex_above2_beloweq4:
add i_scalex, i_scalex
%xdefine i_scalex2 i_scalex
%undef i_scalex
AVX2_GeneralBilinearDownsampler_loop AVX2_BilinearFastDownsample4xOrLess_16px, 1
shr i_scalex2, 1
%xdefine i_scalex i_scalex2
%undef i_scalex2
jmp .final_row
.scalex_above4:
cmp i_scalex, 8 << 16
ja .scalex_above8
add i_scalex, i_scalex
%xdefine i_scalex2 i_scalex
%undef i_scalex
AVX2_GeneralBilinearDownsampler_loop AVX2_BilinearFastDownsample8xOrLess_16px, 1
shr i_scalex2, 1
%xdefine i_scalex i_scalex2
%undef i_scalex2
jmp .final_row
.scalex_above8:
%xdefine ymm_xfrac0 ymm_xpos_frac
%xdefine ymm_xfrac1 ymm_xpos_int
%xdefine ymm_xfrac0_begin ymm_xpos_int_begin
%xdefine ymm_xfrac1_begin ymm_xpos_frac_begin
%xdefine ymm_xfrac_inc ymm_xpos_frac_inc
%undef ymm_xpos_int
%undef ymm_xpos_frac
%undef ymm_xpos_int_begin
%undef ymm_xpos_frac_begin
%undef ymm_xpos_int_inc
%undef ymm_xpos_frac_inc
AVX2_UnpckXFrac ymm_tmp0, ymm_xfrac1, ymm_xfrac0, ymm_ffff
vpermq ymm_xfrac0, ymm_tmp0, 01001110b
vpermq ymm_xfrac1, ymm_xfrac1, 01001110b
vmovdqa ymm_xfrac0_begin, ymm_xfrac0
vmovdqa ymm_xfrac1_begin, ymm_xfrac1
vpcmpeqw ymm_tmp0, ymm_tmp0, ymm_tmp0
vpmullw ymm_tmp0, ymm_tmp0, ymm_xfrac_inc
vpunpcklwd ymm_tmp0, ymm_tmp0, ymm_xfrac_inc
vmovdqa ymm_xfrac_inc, ymm_tmp0
AVX2_GeneralBilinearDownsampler_loop AVX2_GeneralBilinearFastDownsample_16px, 1
.final_row:
mov p_src_row0, i_ypos
shr p_src_row0, 15
imul p_src_row0, i_src_stride
add p_src_row0, p_src
mov i_xpos, 1 << 15
mov i_width_cnt, i_dst_width
.final_row_width:
mov r_tmp0, i_xpos
shr r_tmp0, 16
movzx r_tmp0, byte [p_src_row0 + r_tmp0]
mov [p_dst], r_tmp0b
add p_dst, 1
add i_xpos, i_scalex
sub i_width_cnt, 1
jg .final_row_width
.done:
vzeroupper
%ifdef X86_32
mov esp, [esp]
%endif
POP_XMM
LOAD_7_PARA_POP
%ifndef X86_32
%ifdef WIN64
pop rsi
pop rdi
%endif
pop rbp
pop rbx
pop r13
pop r12
%endif
ret
%undef p_dst
%undef i_dst_stride_less_width
%undef i_dst_width
%undef i_dst_height
%undef p_src
%undef i_src_stride
%undef i_scalex
%undef i_scalexd
%undef i_scaleyd
%undef i_xpos
%undef i_ypos
%undef i_yposd
%undef p_src_row0
%undef p_src_row1
%undef i_width_cnt
%undef r_tmp0
%undef r_tmp0b
%undef ymm_xpos_frac
%undef ymm_xpos_frac_inc
%undef ymm_xpos_int
%undef ymm_xpos_int_inc
%undef ymm_yfrac0
%undef ymm_yfrac1
%undef xmm_tmp0
%undef ymm_tmp0
%undef xmm_tmp1
%undef ymm_tmp1
%undef xmm_tmp2
%undef ymm_tmp2
%undef xmm_tmp3
%undef ymm_tmp3
%undef xmm_tmp4
%undef ymm_tmp4
%undef xmm_tmp5
%undef ymm_tmp5
%undef ymm_ffff
%undef ymm_0
%undef ymm_xpos_int_begin
%undef ymm_xpos_frac_begin
%undef ymm_xfrac0
%undef ymm_xfrac1
%undef ymm_xfrac0_begin
%undef ymm_xfrac1_begin
%undef ymm_xfrac_inc
;**************************************************************************************************************
;void GeneralBilinearAccurateDownsampler_avx2 (uint8_t* pDst, int32_t iDstStride, int32_t iDstWidth,
; int32_t iDstHeight, uint8_t* pSrc, int32_t iSrcStride, uint32_t uiScaleX,
; uint32_t uiScaleY);
;
;**************************************************************************************************************
WELS_EXTERN GeneralBilinearAccurateDownsampler_avx2
%assign push_num 0
%ifndef X86_32
push r12
push r13
push rbx
push rbp
%assign push_num 4
%ifdef WIN64
push rdi
push rsi
%assign push_num push_num + 2
%endif
%endif
LOAD_7_PARA
PUSH_XMM 16
SIGN_EXTENSION r1, r1d
SIGN_EXTENSION r2, r2d
SIGN_EXTENSION r3, r3d
SIGN_EXTENSION r5, r5d
ZERO_EXTENSION r6d
sub r1, r2 ; dst_stride - dst_width
add r6, r6 ; 2 * scalex
%ifdef X86_32
vmovd xmm0, arg8
vmovd xmm1, esp
and esp, -32
sub esp, 8 * 4 + 8 * 32
vmovd [esp], xmm1
%define p_dst r0
%define i_dst_stride_less_width [esp + 1 * 4]
%define i_dst_width [esp + 2 * 4]
%define i_dst_height dword [esp + 3 * 4]
%define p_src [esp + 4 * 4]
%define i_src_stride [esp + 5 * 4]
%define i_scalex r6
%define i_scalexd r6d
%define i_scaleyd [esp + 6 * 4]
%define i_xpos r2
%define i_ypos [esp + 7 * 4]
%define i_yposd dword [esp + 7 * 4]
%define p_src_row0 r3
%define p_src_row1 r4
%define i_width_cnt r5
%define r_tmp0 r1
%define r_tmp0b r1b
%define ymm_xpos_frac ymm1
%define ymm_xpos_frac_inc [esp + 8 * 4]
%define ymm_xpos_int ymm3
%define ymm_xpos_int_inc [esp + 8 * 4 + 1 * 32]
%define ymm_yfrac0 [esp + 8 * 4 + 2 * 32]
%define ymm_yfrac1 [esp + 8 * 4 + 3 * 32]
%define xmm_tmp0 xmm7
%define ymm_tmp0 ymm7
%define xmm_tmp1 xmm0
%define ymm_tmp1 ymm0
%define xmm_tmp2 xmm2
%define ymm_tmp2 ymm2
%define xmm_tmp3 xmm4
%define ymm_tmp3 ymm4
%define xmm_tmp4 xmm5
%define ymm_tmp4 ymm5
%define xmm_tmp5 xmm6
%define ymm_tmp5 ymm6
%define ymm_0 [esp + 8 * 4 + 4 * 32]
%define ymm_7fff [esp + 8 * 4 + 5 * 32]
%define ymm_xpos_int_begin [esp + 8 * 4 + 6 * 32]
%define ymm_xpos_frac_begin [esp + 8 * 4 + 7 * 32]
mov i_dst_stride_less_width, r1
mov i_dst_width, r2
mov i_dst_height, r3
mov p_src, r4
mov i_src_stride, r5
vmovd i_scaleyd, xmm0
vpxor xmm0, xmm0, xmm0
vmovdqa ymm_0, ymm0
vpcmpeqw ymm0, ymm0, ymm0
vpsrlw ymm0, ymm0, 1
vmovdqa ymm_7fff, ymm0
%else
%define p_dst r0
%define i_dst_stride_less_width r1
%define i_dst_width r2
%define i_dst_height r3
%define p_src r4
%define i_src_stride r5
%define i_scalex r6
%define i_scalexd r6d
%define i_scaleyd dword arg8d
%define i_xpos r12
%define i_ypos r13
%define i_yposd r13d
%define p_src_row0 rbp
%ifdef WIN64
%define p_src_row1 rsi
%define i_width_cnt rdi
%else
%define p_src_row1 r11
%define i_width_cnt rax
%endif
%define r_tmp0 rbx
%define r_tmp0b bl
%define ymm_0 ymm0
%define ymm_xpos_frac ymm1
%define ymm_xpos_int ymm3
%define ymm_xpos_frac_inc ymm2
%define ymm_xpos_int_inc ymm4
%define ymm_yfrac0 ymm5
%define ymm_yfrac1 ymm6
%define xmm_tmp0 xmm7
%define ymm_tmp0 ymm7
%define xmm_tmp1 xmm8
%define ymm_tmp1 ymm8
%define xmm_tmp2 xmm9
%define ymm_tmp2 ymm9
%define xmm_tmp3 xmm10
%define ymm_tmp3 ymm10
%define xmm_tmp4 xmm11
%define ymm_tmp4 ymm11
%define xmm_tmp5 xmm12
%define ymm_tmp5 ymm12
%define ymm_7fff ymm13
%define ymm_xpos_int_begin ymm14
%define ymm_xpos_frac_begin ymm15
vpxor ymm_0, ymm_0, ymm_0
vpcmpeqw ymm_7fff, ymm_7fff, ymm_7fff
vpsrlw ymm_7fff, ymm_7fff, 1
%endif
sub i_dst_height, 1
je .final_row
jl .done
mov i_yposd, 1 << 14
vmovd xmm_tmp0, i_scalexd
vpbroadcastd ymm_tmp0, xmm_tmp0
vpslld ymm_tmp1, ymm_tmp0, 2
vpslld ymm_tmp2, ymm_tmp0, 3
vpaddd ymm_tmp3, ymm_tmp1, ymm_tmp2
vpxor ymm_tmp4, ymm_tmp4, ymm_tmp4
vpblendd ymm_tmp1, ymm_tmp4, ymm_tmp1, 11110000b
vpblendd ymm_tmp2, ymm_tmp2, ymm_tmp3, 11110000b
vpaddd ymm_tmp3, ymm_tmp0, ymm_tmp0
vpblendd ymm_tmp3, ymm_tmp4, ymm_tmp3, 11001100b
vpblendd ymm_tmp0, ymm_tmp4, ymm_tmp0, 10101010b
vpaddd ymm_tmp0, ymm_tmp3, ymm_tmp0
vpaddd ymm_tmp1, ymm_tmp1, ymm_tmp0
vpaddd ymm_tmp2, ymm_tmp2, ymm_tmp0
vpcmpeqw ymm_tmp3, ymm_tmp3, ymm_tmp3
vpsrld ymm_tmp3, ymm_tmp3, 31
vpslld ymm_tmp3, ymm_tmp3, 15
vpaddd ymm_tmp1, ymm_tmp1, ymm_tmp3
vpaddd ymm_tmp2, ymm_tmp2, ymm_tmp3
vpsrld ymm_xpos_int, ymm_tmp1, 16
vpsrld ymm_tmp0, ymm_tmp2, 16
vpackssdw ymm_xpos_int, ymm_xpos_int, ymm_tmp0
vpermq ymm_xpos_int, ymm_xpos_int, 11011000b
vpackuswb ymm_xpos_int, ymm_xpos_int, ymm_xpos_int
vpcmpeqw ymm_tmp3, ymm_tmp3, ymm_tmp3
vpsubb ymm_tmp0, ymm_xpos_int, ymm_tmp3
vpunpcklbw ymm_xpos_int, ymm_xpos_int, ymm_tmp0
vpslld ymm_tmp1, ymm_tmp1, 16
vpsrld ymm_tmp1, ymm_tmp1, 16
vpslld ymm_tmp2, ymm_tmp2, 16
vpsrld ymm_tmp2, ymm_tmp2, 16
vpackusdw ymm_xpos_frac, ymm_tmp1, ymm_tmp2
vpermq ymm_xpos_frac, ymm_xpos_frac, 11011000b
vpsrlw ymm_xpos_frac, ymm_xpos_frac, 1
vmovd xmm_tmp0, i_scalexd
vpslld xmm_tmp0, xmm_tmp0, 4
vpbroadcastw ymm_tmp1, xmm_tmp0
vpsrlw ymm_tmp1, ymm_tmp1, 1
vmovdqa ymm_xpos_frac_inc, ymm_tmp1
vpsrld xmm_tmp0, xmm_tmp0, 16
vpsubw ymm_tmp0, ymm_tmp0, ymm_tmp3
vpbroadcastb ymm_tmp0, xmm_tmp0
vmovdqa ymm_xpos_int_inc, ymm_tmp0
vmovdqa ymm_xpos_int_begin, ymm_xpos_int
vmovdqa ymm_xpos_frac_begin, ymm_xpos_frac
cmp i_scalex, 4 << 16
ja .scalex_above4
cmp i_scalex, 2 << 16
ja .scalex_above2_beloweq4
add i_scalex, i_scalex
%xdefine i_scalex2 i_scalex
%undef i_scalex
AVX2_GeneralBilinearDownsampler_loop AVX2_BilinearAccurateDownsample2xOrLess_16px, 0
shr i_scalex2, 1
%xdefine i_scalex i_scalex2
%undef i_scalex2
jmp .final_row
.scalex_above2_beloweq4:
add i_scalex, i_scalex
%xdefine i_scalex2 i_scalex
%undef i_scalex
AVX2_GeneralBilinearDownsampler_loop AVX2_BilinearAccurateDownsample4xOrLess_16px, 0
shr i_scalex2, 1
%xdefine i_scalex i_scalex2
%undef i_scalex2
jmp .final_row
.scalex_above4:
cmp i_scalex, 8 << 16
ja .scalex_above8
add i_scalex, i_scalex
%xdefine i_scalex2 i_scalex
%undef i_scalex
AVX2_GeneralBilinearDownsampler_loop AVX2_BilinearAccurateDownsample8xOrLess_16px, 0
shr i_scalex2, 1
%xdefine i_scalex i_scalex2
%undef i_scalex2
jmp .final_row
.scalex_above8:
%xdefine ymm_xfrac0 ymm_xpos_frac
%xdefine ymm_xfrac1 ymm_xpos_int
%xdefine ymm_xfrac0_begin ymm_xpos_int_begin
%xdefine ymm_xfrac1_begin ymm_xpos_frac_begin
%xdefine ymm_xfrac_inc ymm_xpos_frac_inc
%undef ymm_xpos_int
%undef ymm_xpos_frac
%undef ymm_xpos_int_begin
%undef ymm_xpos_frac_begin
%undef ymm_xpos_int_inc
%undef ymm_xpos_frac_inc
AVX2_UnpckXFrac ymm_tmp0, ymm_xfrac1, ymm_xfrac0, ymm_7fff
vpermq ymm_xfrac0, ymm_tmp0, 01001110b
vpermq ymm_xfrac1, ymm_xfrac1, 01001110b
vmovdqa ymm_xfrac0_begin, ymm_xfrac0
vmovdqa ymm_xfrac1_begin, ymm_xfrac1
vpcmpeqw ymm_tmp0, ymm_tmp0, ymm_tmp0
vpmullw ymm_tmp0, ymm_tmp0, ymm_xfrac_inc
vpunpcklwd ymm_tmp0, ymm_tmp0, ymm_xfrac_inc
vmovdqa ymm_xfrac_inc, ymm_tmp0
AVX2_GeneralBilinearDownsampler_loop AVX2_GeneralBilinearAccurateDownsample_16px, 0
.final_row:
mov p_src_row0, i_ypos
shr p_src_row0, 15
imul p_src_row0, i_src_stride
add p_src_row0, p_src
mov i_xpos, 1 << 15
mov i_width_cnt, i_dst_width
.final_row_width:
mov r_tmp0, i_xpos
shr r_tmp0, 16
movzx r_tmp0, byte [p_src_row0 + r_tmp0]
mov [p_dst], r_tmp0b
add p_dst, 1
add i_xpos, i_scalex
sub i_width_cnt, 1
jg .final_row_width
.done:
vzeroupper
%ifdef X86_32
mov esp, [esp]
%endif
POP_XMM
LOAD_7_PARA_POP
%ifndef X86_32
%ifdef WIN64
pop rsi
pop rdi
%endif
pop rbp
pop rbx
pop r13
pop r12
%endif
ret
%undef p_dst
%undef i_dst_stride_less_width
%undef i_dst_width
%undef i_dst_height
%undef p_src
%undef i_src_stride
%undef i_scalex
%undef i_scalexd
%undef i_scaleyd
%undef i_xpos
%undef i_ypos
%undef i_yposd
%undef p_src_row0
%undef p_src_row1
%undef i_width_cnt
%undef r_tmp0
%undef r_tmp0b
%undef ymm_xpos_frac
%undef ymm_xpos_frac_inc
%undef ymm_xpos_int
%undef ymm_xpos_int_inc
%undef ymm_yfrac0
%undef ymm_yfrac1
%undef xmm_tmp0
%undef ymm_tmp0
%undef xmm_tmp1
%undef ymm_tmp1
%undef xmm_tmp2
%undef ymm_tmp2
%undef xmm_tmp3
%undef ymm_tmp3
%undef xmm_tmp4
%undef ymm_tmp4
%undef xmm_tmp5
%undef ymm_tmp5
%undef ymm_0
%undef ymm_7fff
%undef ymm_xpos_int_begin
%undef ymm_xpos_frac_begin
%undef ymm_xfrac0
%undef ymm_xfrac1
%undef ymm_xfrac0_begin
%undef ymm_xfrac1_begin
%undef ymm_xfrac_inc
%endif