ref: a6bc3dfb0f8e46017d7823985f8383a8dc6cc68b
dir: /vpx_dsp/x86/vpx_subpixel_bilinear_sse2.asm/
;
; Copyright (c) 2014 The WebM project authors. All Rights Reserved.
;
; Use of this source code is governed by a BSD-style license
; that can be found in the LICENSE file in the root of the source
; tree. An additional intellectual property rights grant can be found
; in the file PATENTS. All contributing project authors may
; be found in the AUTHORS file in the root of the source tree.
;
%include "vpx_ports/x86_abi_support.asm"
%macro GET_PARAM_4 0
mov rdx, arg(5) ;filter ptr
mov rsi, arg(0) ;src_ptr
mov rdi, arg(2) ;output_ptr
mov rcx, 0x0400040
movdqa xmm3, [rdx] ;load filters
pshuflw xmm4, xmm3, 11111111b ;k3
psrldq xmm3, 8
pshuflw xmm3, xmm3, 0b ;k4
punpcklqdq xmm4, xmm3 ;k3k4
movq xmm3, rcx ;rounding
pshufd xmm3, xmm3, 0
pxor xmm2, xmm2
movsxd rax, DWORD PTR arg(1) ;pixels_per_line
movsxd rdx, DWORD PTR arg(3) ;out_pitch
movsxd rcx, DWORD PTR arg(4) ;output_height
%endm
%macro APPLY_FILTER_4 1
punpckldq xmm0, xmm1 ;two row in one register
punpcklbw xmm0, xmm2 ;unpack to word
pmullw xmm0, xmm4 ;multiply the filter factors
movdqa xmm1, xmm0
psrldq xmm1, 8
paddsw xmm0, xmm1
paddsw xmm0, xmm3 ;rounding
psraw xmm0, 7 ;shift
packuswb xmm0, xmm0 ;pack to byte
%if %1
movd xmm1, [rdi]
pavgb xmm0, xmm1
%endif
movd [rdi], xmm0
lea rsi, [rsi + rax]
lea rdi, [rdi + rdx]
dec rcx
%endm
%macro GET_PARAM 0
mov rdx, arg(5) ;filter ptr
mov rsi, arg(0) ;src_ptr
mov rdi, arg(2) ;output_ptr
mov rcx, 0x0400040
movdqa xmm7, [rdx] ;load filters
pshuflw xmm6, xmm7, 11111111b ;k3
pshufhw xmm7, xmm7, 0b ;k4
punpcklwd xmm6, xmm6
punpckhwd xmm7, xmm7
movq xmm4, rcx ;rounding
pshufd xmm4, xmm4, 0
pxor xmm5, xmm5
movsxd rax, DWORD PTR arg(1) ;pixels_per_line
movsxd rdx, DWORD PTR arg(3) ;out_pitch
movsxd rcx, DWORD PTR arg(4) ;output_height
%endm
%macro APPLY_FILTER_8 1
punpcklbw xmm0, xmm5
punpcklbw xmm1, xmm5
pmullw xmm0, xmm6
pmullw xmm1, xmm7
paddsw xmm0, xmm1
paddsw xmm0, xmm4 ;rounding
psraw xmm0, 7 ;shift
packuswb xmm0, xmm0 ;pack back to byte
%if %1
movq xmm1, [rdi]
pavgb xmm0, xmm1
%endif
movq [rdi], xmm0 ;store the result
lea rsi, [rsi + rax]
lea rdi, [rdi + rdx]
dec rcx
%endm
%macro APPLY_FILTER_16 1
punpcklbw xmm0, xmm5
punpcklbw xmm1, xmm5
punpckhbw xmm2, xmm5
punpckhbw xmm3, xmm5
pmullw xmm0, xmm6
pmullw xmm1, xmm7
pmullw xmm2, xmm6
pmullw xmm3, xmm7
paddsw xmm0, xmm1
paddsw xmm2, xmm3
paddsw xmm0, xmm4 ;rounding
paddsw xmm2, xmm4
psraw xmm0, 7 ;shift
psraw xmm2, 7
packuswb xmm0, xmm2 ;pack back to byte
%if %1
movdqu xmm1, [rdi]
pavgb xmm0, xmm1
%endif
movdqu [rdi], xmm0 ;store the result
lea rsi, [rsi + rax]
lea rdi, [rdi + rdx]
dec rcx
%endm
global sym(vpx_filter_block1d4_v2_sse2) PRIVATE
sym(vpx_filter_block1d4_v2_sse2):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 6
push rsi
push rdi
; end prolog
GET_PARAM_4
.loop:
movd xmm0, [rsi] ;load src
movd xmm1, [rsi + rax]
APPLY_FILTER_4 0
jnz .loop
; begin epilog
pop rdi
pop rsi
UNSHADOW_ARGS
pop rbp
ret
global sym(vpx_filter_block1d8_v2_sse2) PRIVATE
sym(vpx_filter_block1d8_v2_sse2):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 6
SAVE_XMM 7
push rsi
push rdi
; end prolog
GET_PARAM
.loop:
movq xmm0, [rsi] ;0
movq xmm1, [rsi + rax] ;1
APPLY_FILTER_8 0
jnz .loop
; begin epilog
pop rdi
pop rsi
RESTORE_XMM
UNSHADOW_ARGS
pop rbp
ret
global sym(vpx_filter_block1d16_v2_sse2) PRIVATE
sym(vpx_filter_block1d16_v2_sse2):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 6
SAVE_XMM 7
push rsi
push rdi
; end prolog
GET_PARAM
.loop:
movdqu xmm0, [rsi] ;0
movdqu xmm1, [rsi + rax] ;1
movdqa xmm2, xmm0
movdqa xmm3, xmm1
APPLY_FILTER_16 0
jnz .loop
; begin epilog
pop rdi
pop rsi
RESTORE_XMM
UNSHADOW_ARGS
pop rbp
ret
global sym(vpx_filter_block1d4_v2_avg_sse2) PRIVATE
sym(vpx_filter_block1d4_v2_avg_sse2):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 6
push rsi
push rdi
; end prolog
GET_PARAM_4
.loop:
movd xmm0, [rsi] ;load src
movd xmm1, [rsi + rax]
APPLY_FILTER_4 1
jnz .loop
; begin epilog
pop rdi
pop rsi
UNSHADOW_ARGS
pop rbp
ret
global sym(vpx_filter_block1d8_v2_avg_sse2) PRIVATE
sym(vpx_filter_block1d8_v2_avg_sse2):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 6
SAVE_XMM 7
push rsi
push rdi
; end prolog
GET_PARAM
.loop:
movq xmm0, [rsi] ;0
movq xmm1, [rsi + rax] ;1
APPLY_FILTER_8 1
jnz .loop
; begin epilog
pop rdi
pop rsi
RESTORE_XMM
UNSHADOW_ARGS
pop rbp
ret
global sym(vpx_filter_block1d16_v2_avg_sse2) PRIVATE
sym(vpx_filter_block1d16_v2_avg_sse2):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 6
SAVE_XMM 7
push rsi
push rdi
; end prolog
GET_PARAM
.loop:
movdqu xmm0, [rsi] ;0
movdqu xmm1, [rsi + rax] ;1
movdqa xmm2, xmm0
movdqa xmm3, xmm1
APPLY_FILTER_16 1
jnz .loop
; begin epilog
pop rdi
pop rsi
RESTORE_XMM
UNSHADOW_ARGS
pop rbp
ret
global sym(vpx_filter_block1d4_h2_sse2) PRIVATE
sym(vpx_filter_block1d4_h2_sse2):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 6
push rsi
push rdi
; end prolog
GET_PARAM_4
.loop:
movdqu xmm0, [rsi] ;load src
movdqa xmm1, xmm0
psrldq xmm1, 1
APPLY_FILTER_4 0
jnz .loop
; begin epilog
pop rdi
pop rsi
UNSHADOW_ARGS
pop rbp
ret
global sym(vpx_filter_block1d8_h2_sse2) PRIVATE
sym(vpx_filter_block1d8_h2_sse2):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 6
SAVE_XMM 7
push rsi
push rdi
; end prolog
GET_PARAM
.loop:
movdqu xmm0, [rsi] ;load src
movdqa xmm1, xmm0
psrldq xmm1, 1
APPLY_FILTER_8 0
jnz .loop
; begin epilog
pop rdi
pop rsi
RESTORE_XMM
UNSHADOW_ARGS
pop rbp
ret
global sym(vpx_filter_block1d16_h2_sse2) PRIVATE
sym(vpx_filter_block1d16_h2_sse2):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 6
SAVE_XMM 7
push rsi
push rdi
; end prolog
GET_PARAM
.loop:
movdqu xmm0, [rsi] ;load src
movdqu xmm1, [rsi + 1]
movdqa xmm2, xmm0
movdqa xmm3, xmm1
APPLY_FILTER_16 0
jnz .loop
; begin epilog
pop rdi
pop rsi
RESTORE_XMM
UNSHADOW_ARGS
pop rbp
ret
global sym(vpx_filter_block1d4_h2_avg_sse2) PRIVATE
sym(vpx_filter_block1d4_h2_avg_sse2):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 6
push rsi
push rdi
; end prolog
GET_PARAM_4
.loop:
movdqu xmm0, [rsi] ;load src
movdqa xmm1, xmm0
psrldq xmm1, 1
APPLY_FILTER_4 1
jnz .loop
; begin epilog
pop rdi
pop rsi
UNSHADOW_ARGS
pop rbp
ret
global sym(vpx_filter_block1d8_h2_avg_sse2) PRIVATE
sym(vpx_filter_block1d8_h2_avg_sse2):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 6
SAVE_XMM 7
push rsi
push rdi
; end prolog
GET_PARAM
.loop:
movdqu xmm0, [rsi] ;load src
movdqa xmm1, xmm0
psrldq xmm1, 1
APPLY_FILTER_8 1
jnz .loop
; begin epilog
pop rdi
pop rsi
RESTORE_XMM
UNSHADOW_ARGS
pop rbp
ret
global sym(vpx_filter_block1d16_h2_avg_sse2) PRIVATE
sym(vpx_filter_block1d16_h2_avg_sse2):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 6
SAVE_XMM 7
push rsi
push rdi
; end prolog
GET_PARAM
.loop:
movdqu xmm0, [rsi] ;load src
movdqu xmm1, [rsi + 1]
movdqa xmm2, xmm0
movdqa xmm3, xmm1
APPLY_FILTER_16 1
jnz .loop
; begin epilog
pop rdi
pop rsi
RESTORE_XMM
UNSHADOW_ARGS
pop rbp
ret