| Index: third_party/libvpx/source/libvpx/vp8/common/x86/postproc_sse2.asm
|
| diff --git a/third_party/libvpx/source/libvpx/vp8/common/x86/postproc_sse2.asm b/third_party/libvpx/source/libvpx/vp8/common/x86/postproc_sse2.asm
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..fed4ee5ccf801d2ff576c62d0f51617ef3936923
|
| --- /dev/null
|
| +++ b/third_party/libvpx/source/libvpx/vp8/common/x86/postproc_sse2.asm
|
| @@ -0,0 +1,723 @@
|
| +;
|
| +; Copyright (c) 2010 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 in deblock functions
|
| +%macro FIRST_2_ROWS 0
|
| + movdqa xmm4, xmm0
|
| + movdqa xmm6, xmm0
|
| + movdqa xmm5, xmm1
|
| + pavgb xmm5, xmm3
|
| +
|
| + ;calculate absolute value
|
| + psubusb xmm4, xmm1
|
| + psubusb xmm1, xmm0
|
| + psubusb xmm6, xmm3
|
| + psubusb xmm3, xmm0
|
| + paddusb xmm4, xmm1
|
| + paddusb xmm6, xmm3
|
| +
|
| + ;get threshold
|
| + movdqa xmm2, flimit
|
| + pxor xmm1, xmm1
|
| + movdqa xmm7, xmm2
|
| +
|
| + ;get mask
|
| + psubusb xmm2, xmm4
|
| + psubusb xmm7, xmm6
|
| + pcmpeqb xmm2, xmm1
|
| + pcmpeqb xmm7, xmm1
|
| + por xmm7, xmm2
|
| +%endmacro
|
| +
|
| +%macro SECOND_2_ROWS 0
|
| + movdqa xmm6, xmm0
|
| + movdqa xmm4, xmm0
|
| + movdqa xmm2, xmm1
|
| + pavgb xmm1, xmm3
|
| +
|
| + ;calculate absolute value
|
| + psubusb xmm6, xmm2
|
| + psubusb xmm2, xmm0
|
| + psubusb xmm4, xmm3
|
| + psubusb xmm3, xmm0
|
| + paddusb xmm6, xmm2
|
| + paddusb xmm4, xmm3
|
| +
|
| + pavgb xmm5, xmm1
|
| +
|
| + ;get threshold
|
| + movdqa xmm2, flimit
|
| + pxor xmm1, xmm1
|
| + movdqa xmm3, xmm2
|
| +
|
| + ;get mask
|
| + psubusb xmm2, xmm6
|
| + psubusb xmm3, xmm4
|
| + pcmpeqb xmm2, xmm1
|
| + pcmpeqb xmm3, xmm1
|
| +
|
| + por xmm7, xmm2
|
| + por xmm7, xmm3
|
| +
|
| + pavgb xmm5, xmm0
|
| +
|
| + ;decide if or not to use filtered value
|
| + pand xmm0, xmm7
|
| + pandn xmm7, xmm5
|
| + paddusb xmm0, xmm7
|
| +%endmacro
|
| +
|
| +%macro UPDATE_FLIMIT 0
|
| + movdqa xmm2, XMMWORD PTR [rbx]
|
| + movdqa [rsp], xmm2
|
| + add rbx, 16
|
| +%endmacro
|
| +
|
| +;void vp8_post_proc_down_and_across_mb_row_sse2
|
| +;(
|
| +; unsigned char *src_ptr,
|
| +; unsigned char *dst_ptr,
|
| +; int src_pixels_per_line,
|
| +; int dst_pixels_per_line,
|
| +; int cols,
|
| +; int *flimits,
|
| +; int size
|
| +;)
|
| +global sym(vp8_post_proc_down_and_across_mb_row_sse2) PRIVATE
|
| +sym(vp8_post_proc_down_and_across_mb_row_sse2):
|
| + push rbp
|
| + mov rbp, rsp
|
| + SHADOW_ARGS_TO_STACK 7
|
| + SAVE_XMM 7
|
| + push rbx
|
| + push rsi
|
| + push rdi
|
| + ; end prolog
|
| + ALIGN_STACK 16, rax
|
| + sub rsp, 16
|
| +
|
| + ; put flimit on stack
|
| + mov rbx, arg(5) ;flimits ptr
|
| + UPDATE_FLIMIT
|
| +
|
| +%define flimit [rsp]
|
| +
|
| + mov rsi, arg(0) ;src_ptr
|
| + mov rdi, arg(1) ;dst_ptr
|
| +
|
| + movsxd rax, DWORD PTR arg(2) ;src_pixels_per_line
|
| + movsxd rcx, DWORD PTR arg(6) ;rows in a macroblock
|
| +.nextrow:
|
| + xor rdx, rdx ;col
|
| +.nextcol:
|
| + ;load current and next 2 rows
|
| + movdqu xmm0, XMMWORD PTR [rsi]
|
| + movdqu xmm1, XMMWORD PTR [rsi + rax]
|
| + movdqu xmm3, XMMWORD PTR [rsi + 2*rax]
|
| +
|
| + FIRST_2_ROWS
|
| +
|
| + ;load above 2 rows
|
| + neg rax
|
| + movdqu xmm1, XMMWORD PTR [rsi + 2*rax]
|
| + movdqu xmm3, XMMWORD PTR [rsi + rax]
|
| +
|
| + SECOND_2_ROWS
|
| +
|
| + movdqu XMMWORD PTR [rdi], xmm0
|
| +
|
| + neg rax ; positive stride
|
| + add rsi, 16
|
| + add rdi, 16
|
| +
|
| + add rdx, 16
|
| + cmp edx, dword arg(4) ;cols
|
| + jge .downdone
|
| + UPDATE_FLIMIT
|
| + jmp .nextcol
|
| +
|
| +.downdone:
|
| + ; done with the all cols, start the across filtering in place
|
| + sub rsi, rdx
|
| + sub rdi, rdx
|
| +
|
| + mov rbx, arg(5) ; flimits
|
| + UPDATE_FLIMIT
|
| +
|
| + ; dup the first byte into the left border 8 times
|
| + movq mm1, [rdi]
|
| + punpcklbw mm1, mm1
|
| + punpcklwd mm1, mm1
|
| + punpckldq mm1, mm1
|
| + mov rdx, -8
|
| + movq [rdi+rdx], mm1
|
| +
|
| + ; dup the last byte into the right border
|
| + movsxd rdx, dword arg(4)
|
| + movq mm1, [rdi + rdx + -1]
|
| + punpcklbw mm1, mm1
|
| + punpcklwd mm1, mm1
|
| + punpckldq mm1, mm1
|
| + movq [rdi+rdx], mm1
|
| +
|
| + xor rdx, rdx
|
| + movq mm0, QWORD PTR [rdi-16];
|
| + movq mm1, QWORD PTR [rdi-8];
|
| +
|
| +.acrossnextcol:
|
| + movdqu xmm0, XMMWORD PTR [rdi + rdx]
|
| + movdqu xmm1, XMMWORD PTR [rdi + rdx -2]
|
| + movdqu xmm3, XMMWORD PTR [rdi + rdx -1]
|
| +
|
| + FIRST_2_ROWS
|
| +
|
| + movdqu xmm1, XMMWORD PTR [rdi + rdx +1]
|
| + movdqu xmm3, XMMWORD PTR [rdi + rdx +2]
|
| +
|
| + SECOND_2_ROWS
|
| +
|
| + movq QWORD PTR [rdi+rdx-16], mm0 ; store previous 8 bytes
|
| + movq QWORD PTR [rdi+rdx-8], mm1 ; store previous 8 bytes
|
| + movdq2q mm0, xmm0
|
| + psrldq xmm0, 8
|
| + movdq2q mm1, xmm0
|
| +
|
| + add rdx, 16
|
| + cmp edx, dword arg(4) ;cols
|
| + jge .acrossdone
|
| + UPDATE_FLIMIT
|
| + jmp .acrossnextcol
|
| +
|
| +.acrossdone
|
| + ; last 16 pixels
|
| + movq QWORD PTR [rdi+rdx-16], mm0
|
| +
|
| + cmp edx, dword arg(4)
|
| + jne .throw_last_8
|
| + movq QWORD PTR [rdi+rdx-8], mm1
|
| +.throw_last_8:
|
| + ; done with this rwo
|
| + add rsi,rax ;next src line
|
| + mov eax, dword arg(3) ;dst_pixels_per_line
|
| + add rdi,rax ;next destination
|
| + mov eax, dword arg(2) ;src_pixels_per_line
|
| +
|
| + mov rbx, arg(5) ;flimits
|
| + UPDATE_FLIMIT
|
| +
|
| + dec rcx ;decrement count
|
| + jnz .nextrow ;next row
|
| +
|
| + add rsp, 16
|
| + pop rsp
|
| + ; begin epilog
|
| + pop rdi
|
| + pop rsi
|
| + pop rbx
|
| + RESTORE_XMM
|
| + UNSHADOW_ARGS
|
| + pop rbp
|
| + ret
|
| +%undef flimit
|
| +
|
| +;void vp8_mbpost_proc_down_xmm(unsigned char *dst,
|
| +; int pitch, int rows, int cols,int flimit)
|
| +extern sym(vp8_rv)
|
| +global sym(vp8_mbpost_proc_down_xmm) PRIVATE
|
| +sym(vp8_mbpost_proc_down_xmm):
|
| + push rbp
|
| + mov rbp, rsp
|
| + SHADOW_ARGS_TO_STACK 5
|
| + SAVE_XMM 7
|
| + GET_GOT rbx
|
| + push rsi
|
| + push rdi
|
| + ; end prolog
|
| +
|
| + ALIGN_STACK 16, rax
|
| + sub rsp, 128+16
|
| +
|
| + ; unsigned char d[16][8] at [rsp]
|
| + ; create flimit2 at [rsp+128]
|
| + mov eax, dword ptr arg(4) ;flimit
|
| + mov [rsp+128], eax
|
| + mov [rsp+128+4], eax
|
| + mov [rsp+128+8], eax
|
| + mov [rsp+128+12], eax
|
| +%define flimit4 [rsp+128]
|
| +
|
| +%if ABI_IS_32BIT=0
|
| + lea r8, [GLOBAL(sym(vp8_rv))]
|
| +%endif
|
| +
|
| + ;rows +=8;
|
| + add dword arg(2), 8
|
| +
|
| + ;for(c=0; c<cols; c+=8)
|
| +.loop_col:
|
| + mov rsi, arg(0) ; s
|
| + pxor xmm0, xmm0 ;
|
| +
|
| + movsxd rax, dword ptr arg(1) ;pitch ;
|
| +
|
| + ; this copies the last row down into the border 8 rows
|
| + mov rdi, rsi
|
| + mov rdx, arg(2)
|
| + sub rdx, 9
|
| + imul rdx, rax
|
| + lea rdi, [rdi+rdx]
|
| + movq xmm1, QWORD ptr[rdi] ; first row
|
| + mov rcx, 8
|
| +.init_borderd ; initialize borders
|
| + lea rdi, [rdi + rax]
|
| + movq [rdi], xmm1
|
| +
|
| + dec rcx
|
| + jne .init_borderd
|
| +
|
| + neg rax ; rax = -pitch
|
| +
|
| + ; this copies the first row up into the border 8 rows
|
| + mov rdi, rsi
|
| + movq xmm1, QWORD ptr[rdi] ; first row
|
| + mov rcx, 8
|
| +.init_border ; initialize borders
|
| + lea rdi, [rdi + rax]
|
| + movq [rdi], xmm1
|
| +
|
| + dec rcx
|
| + jne .init_border
|
| +
|
| +
|
| +
|
| + lea rsi, [rsi + rax*8]; ; rdi = s[-pitch*8]
|
| + neg rax
|
| +
|
| + pxor xmm5, xmm5
|
| + pxor xmm6, xmm6 ;
|
| +
|
| + pxor xmm7, xmm7 ;
|
| + mov rdi, rsi
|
| +
|
| + mov rcx, 15 ;
|
| +
|
| +.loop_initvar:
|
| + movq xmm1, QWORD PTR [rdi];
|
| + punpcklbw xmm1, xmm0 ;
|
| +
|
| + paddw xmm5, xmm1 ;
|
| + pmullw xmm1, xmm1 ;
|
| +
|
| + movdqa xmm2, xmm1 ;
|
| + punpcklwd xmm1, xmm0 ;
|
| +
|
| + punpckhwd xmm2, xmm0 ;
|
| + paddd xmm6, xmm1 ;
|
| +
|
| + paddd xmm7, xmm2 ;
|
| + lea rdi, [rdi+rax] ;
|
| +
|
| + dec rcx
|
| + jne .loop_initvar
|
| + ;save the var and sum
|
| + xor rdx, rdx
|
| +.loop_row:
|
| + movq xmm1, QWORD PTR [rsi] ; [s-pitch*8]
|
| + movq xmm2, QWORD PTR [rdi] ; [s+pitch*7]
|
| +
|
| + punpcklbw xmm1, xmm0
|
| + punpcklbw xmm2, xmm0
|
| +
|
| + paddw xmm5, xmm2
|
| + psubw xmm5, xmm1
|
| +
|
| + pmullw xmm2, xmm2
|
| + movdqa xmm4, xmm2
|
| +
|
| + punpcklwd xmm2, xmm0
|
| + punpckhwd xmm4, xmm0
|
| +
|
| + paddd xmm6, xmm2
|
| + paddd xmm7, xmm4
|
| +
|
| + pmullw xmm1, xmm1
|
| + movdqa xmm2, xmm1
|
| +
|
| + punpcklwd xmm1, xmm0
|
| + psubd xmm6, xmm1
|
| +
|
| + punpckhwd xmm2, xmm0
|
| + psubd xmm7, xmm2
|
| +
|
| +
|
| + movdqa xmm3, xmm6
|
| + pslld xmm3, 4
|
| +
|
| + psubd xmm3, xmm6
|
| + movdqa xmm1, xmm5
|
| +
|
| + movdqa xmm4, xmm5
|
| + pmullw xmm1, xmm1
|
| +
|
| + pmulhw xmm4, xmm4
|
| + movdqa xmm2, xmm1
|
| +
|
| + punpcklwd xmm1, xmm4
|
| + punpckhwd xmm2, xmm4
|
| +
|
| + movdqa xmm4, xmm7
|
| + pslld xmm4, 4
|
| +
|
| + psubd xmm4, xmm7
|
| +
|
| + psubd xmm3, xmm1
|
| + psubd xmm4, xmm2
|
| +
|
| + psubd xmm3, flimit4
|
| + psubd xmm4, flimit4
|
| +
|
| + psrad xmm3, 31
|
| + psrad xmm4, 31
|
| +
|
| + packssdw xmm3, xmm4
|
| + packsswb xmm3, xmm0
|
| +
|
| + movq xmm1, QWORD PTR [rsi+rax*8]
|
| +
|
| + movq xmm2, xmm1
|
| + punpcklbw xmm1, xmm0
|
| +
|
| + paddw xmm1, xmm5
|
| + mov rcx, rdx
|
| +
|
| + and rcx, 127
|
| +%if ABI_IS_32BIT=1 && CONFIG_PIC=1
|
| + push rax
|
| + lea rax, [GLOBAL(sym(vp8_rv))]
|
| + movdqu xmm4, [rax + rcx*2] ;vp8_rv[rcx*2]
|
| + pop rax
|
| +%elif ABI_IS_32BIT=0
|
| + movdqu xmm4, [r8 + rcx*2] ;vp8_rv[rcx*2]
|
| +%else
|
| + movdqu xmm4, [sym(vp8_rv) + rcx*2]
|
| +%endif
|
| +
|
| + paddw xmm1, xmm4
|
| + ;paddw xmm1, eight8s
|
| + psraw xmm1, 4
|
| +
|
| + packuswb xmm1, xmm0
|
| + pand xmm1, xmm3
|
| +
|
| + pandn xmm3, xmm2
|
| + por xmm1, xmm3
|
| +
|
| + and rcx, 15
|
| + movq QWORD PTR [rsp + rcx*8], xmm1 ;d[rcx*8]
|
| +
|
| + cmp edx, 8
|
| + jl .skip_assignment
|
| +
|
| + mov rcx, rdx
|
| + sub rcx, 8
|
| + and rcx, 15
|
| + movq mm0, [rsp + rcx*8] ;d[rcx*8]
|
| + movq [rsi], mm0
|
| +
|
| +.skip_assignment
|
| + lea rsi, [rsi+rax]
|
| +
|
| + lea rdi, [rdi+rax]
|
| + add rdx, 1
|
| +
|
| + cmp edx, dword arg(2) ;rows
|
| + jl .loop_row
|
| +
|
| + add dword arg(0), 8 ; s += 8
|
| + sub dword arg(3), 8 ; cols -= 8
|
| + cmp dword arg(3), 0
|
| + jg .loop_col
|
| +
|
| + add rsp, 128+16
|
| + pop rsp
|
| +
|
| + ; begin epilog
|
| + pop rdi
|
| + pop rsi
|
| + RESTORE_GOT
|
| + RESTORE_XMM
|
| + UNSHADOW_ARGS
|
| + pop rbp
|
| + ret
|
| +%undef flimit4
|
| +
|
| +
|
| +;void vp8_mbpost_proc_across_ip_xmm(unsigned char *src,
|
| +; int pitch, int rows, int cols,int flimit)
|
| +global sym(vp8_mbpost_proc_across_ip_xmm) PRIVATE
|
| +sym(vp8_mbpost_proc_across_ip_xmm):
|
| + push rbp
|
| + mov rbp, rsp
|
| + SHADOW_ARGS_TO_STACK 5
|
| + SAVE_XMM 7
|
| + GET_GOT rbx
|
| + push rsi
|
| + push rdi
|
| + ; end prolog
|
| +
|
| + ALIGN_STACK 16, rax
|
| + sub rsp, 16
|
| +
|
| + ; create flimit4 at [rsp]
|
| + mov eax, dword ptr arg(4) ;flimit
|
| + mov [rsp], eax
|
| + mov [rsp+4], eax
|
| + mov [rsp+8], eax
|
| + mov [rsp+12], eax
|
| +%define flimit4 [rsp]
|
| +
|
| +
|
| + ;for(r=0;r<rows;r++)
|
| +.ip_row_loop:
|
| +
|
| + xor rdx, rdx ;sumsq=0;
|
| + xor rcx, rcx ;sum=0;
|
| + mov rsi, arg(0); s
|
| +
|
| +
|
| + ; dup the first byte into the left border 8 times
|
| + movq mm1, [rsi]
|
| + punpcklbw mm1, mm1
|
| + punpcklwd mm1, mm1
|
| + punpckldq mm1, mm1
|
| +
|
| + mov rdi, -8
|
| + movq [rsi+rdi], mm1
|
| +
|
| + ; dup the last byte into the right border
|
| + movsxd rdx, dword arg(3)
|
| + movq mm1, [rsi + rdx + -1]
|
| + punpcklbw mm1, mm1
|
| + punpcklwd mm1, mm1
|
| + punpckldq mm1, mm1
|
| + movq [rsi+rdx], mm1
|
| +
|
| +.ip_var_loop:
|
| + ;for(i=-8;i<=6;i++)
|
| + ;{
|
| + ; sumsq += s[i]*s[i];
|
| + ; sum += s[i];
|
| + ;}
|
| + movzx eax, byte [rsi+rdi]
|
| + add ecx, eax
|
| + mul al
|
| + add edx, eax
|
| + add rdi, 1
|
| + cmp rdi, 6
|
| + jle .ip_var_loop
|
| +
|
| +
|
| + ;mov rax, sumsq
|
| + ;movd xmm7, rax
|
| + movd xmm7, edx
|
| +
|
| + ;mov rax, sum
|
| + ;movd xmm6, rax
|
| + movd xmm6, ecx
|
| +
|
| + mov rsi, arg(0) ;s
|
| + xor rcx, rcx
|
| +
|
| + movsxd rdx, dword arg(3) ;cols
|
| + add rdx, 8
|
| + pxor mm0, mm0
|
| + pxor mm1, mm1
|
| +
|
| + pxor xmm0, xmm0
|
| +.nextcol4:
|
| +
|
| + movd xmm1, DWORD PTR [rsi+rcx-8] ; -8 -7 -6 -5
|
| + movd xmm2, DWORD PTR [rsi+rcx+7] ; +7 +8 +9 +10
|
| +
|
| + punpcklbw xmm1, xmm0 ; expanding
|
| + punpcklbw xmm2, xmm0 ; expanding
|
| +
|
| + punpcklwd xmm1, xmm0 ; expanding to dwords
|
| + punpcklwd xmm2, xmm0 ; expanding to dwords
|
| +
|
| + psubd xmm2, xmm1 ; 7--8 8--7 9--6 10--5
|
| + paddd xmm1, xmm1 ; -8*2 -7*2 -6*2 -5*2
|
| +
|
| + paddd xmm1, xmm2 ; 7+-8 8+-7 9+-6 10+-5
|
| + pmaddwd xmm1, xmm2 ; squared of 7+-8 8+-7 9+-6 10+-5
|
| +
|
| + paddd xmm6, xmm2
|
| + paddd xmm7, xmm1
|
| +
|
| + pshufd xmm6, xmm6, 0 ; duplicate the last ones
|
| + pshufd xmm7, xmm7, 0 ; duplicate the last ones
|
| +
|
| + psrldq xmm1, 4 ; 8--7 9--6 10--5 0000
|
| + psrldq xmm2, 4 ; 8--7 9--6 10--5 0000
|
| +
|
| + pshufd xmm3, xmm1, 3 ; 0000 8--7 8--7 8--7 squared
|
| + pshufd xmm4, xmm2, 3 ; 0000 8--7 8--7 8--7 squared
|
| +
|
| + paddd xmm6, xmm4
|
| + paddd xmm7, xmm3
|
| +
|
| + pshufd xmm3, xmm1, 01011111b ; 0000 0000 9--6 9--6 squared
|
| + pshufd xmm4, xmm2, 01011111b ; 0000 0000 9--6 9--6 squared
|
| +
|
| + paddd xmm7, xmm3
|
| + paddd xmm6, xmm4
|
| +
|
| + pshufd xmm3, xmm1, 10111111b ; 0000 0000 8--7 8--7 squared
|
| + pshufd xmm4, xmm2, 10111111b ; 0000 0000 8--7 8--7 squared
|
| +
|
| + paddd xmm7, xmm3
|
| + paddd xmm6, xmm4
|
| +
|
| + movdqa xmm3, xmm6
|
| + pmaddwd xmm3, xmm3
|
| +
|
| + movdqa xmm5, xmm7
|
| + pslld xmm5, 4
|
| +
|
| + psubd xmm5, xmm7
|
| + psubd xmm5, xmm3
|
| +
|
| + psubd xmm5, flimit4
|
| + psrad xmm5, 31
|
| +
|
| + packssdw xmm5, xmm0
|
| + packsswb xmm5, xmm0
|
| +
|
| + movd xmm1, DWORD PTR [rsi+rcx]
|
| + movq xmm2, xmm1
|
| +
|
| + punpcklbw xmm1, xmm0
|
| + punpcklwd xmm1, xmm0
|
| +
|
| + paddd xmm1, xmm6
|
| + paddd xmm1, [GLOBAL(four8s)]
|
| +
|
| + psrad xmm1, 4
|
| + packssdw xmm1, xmm0
|
| +
|
| + packuswb xmm1, xmm0
|
| + pand xmm1, xmm5
|
| +
|
| + pandn xmm5, xmm2
|
| + por xmm5, xmm1
|
| +
|
| + movd [rsi+rcx-8], mm0
|
| + movq mm0, mm1
|
| +
|
| + movdq2q mm1, xmm5
|
| + psrldq xmm7, 12
|
| +
|
| + psrldq xmm6, 12
|
| + add rcx, 4
|
| +
|
| + cmp rcx, rdx
|
| + jl .nextcol4
|
| +
|
| + ;s+=pitch;
|
| + movsxd rax, dword arg(1)
|
| + add arg(0), rax
|
| +
|
| + sub dword arg(2), 1 ;rows-=1
|
| + cmp dword arg(2), 0
|
| + jg .ip_row_loop
|
| +
|
| + add rsp, 16
|
| + pop rsp
|
| +
|
| + ; begin epilog
|
| + pop rdi
|
| + pop rsi
|
| + RESTORE_GOT
|
| + RESTORE_XMM
|
| + UNSHADOW_ARGS
|
| + pop rbp
|
| + ret
|
| +%undef flimit4
|
| +
|
| +
|
| +;void vp8_plane_add_noise_wmt (unsigned char *Start, unsigned char *noise,
|
| +; unsigned char blackclamp[16],
|
| +; unsigned char whiteclamp[16],
|
| +; unsigned char bothclamp[16],
|
| +; unsigned int Width, unsigned int Height, int Pitch)
|
| +global sym(vp8_plane_add_noise_wmt) PRIVATE
|
| +sym(vp8_plane_add_noise_wmt):
|
| + push rbp
|
| + mov rbp, rsp
|
| + SHADOW_ARGS_TO_STACK 8
|
| + GET_GOT rbx
|
| + push rsi
|
| + push rdi
|
| + ; end prolog
|
| +
|
| +.addnoise_loop:
|
| + call sym(LIBVPX_RAND) WRT_PLT
|
| + mov rcx, arg(1) ;noise
|
| + and rax, 0xff
|
| + add rcx, rax
|
| +
|
| + ; we rely on the fact that the clamping vectors are stored contiguously
|
| + ; in black/white/both order. Note that we have to reload this here because
|
| + ; rdx could be trashed by rand()
|
| + mov rdx, arg(2) ; blackclamp
|
| +
|
| +
|
| + mov rdi, rcx
|
| + movsxd rcx, dword arg(5) ;[Width]
|
| + mov rsi, arg(0) ;Pos
|
| + xor rax,rax
|
| +
|
| +.addnoise_nextset:
|
| + movdqu xmm1,[rsi+rax] ; get the source
|
| +
|
| + psubusb xmm1, [rdx] ;blackclamp ; clamp both sides so we don't outrange adding noise
|
| + paddusb xmm1, [rdx+32] ;bothclamp
|
| + psubusb xmm1, [rdx+16] ;whiteclamp
|
| +
|
| + movdqu xmm2,[rdi+rax] ; get the noise for this line
|
| + paddb xmm1,xmm2 ; add it in
|
| + movdqu [rsi+rax],xmm1 ; store the result
|
| +
|
| + add rax,16 ; move to the next line
|
| +
|
| + cmp rax, rcx
|
| + jl .addnoise_nextset
|
| +
|
| + movsxd rax, dword arg(7) ; Pitch
|
| + add arg(0), rax ; Start += Pitch
|
| + sub dword arg(6), 1 ; Height -= 1
|
| + jg .addnoise_loop
|
| +
|
| + ; begin epilog
|
| + pop rdi
|
| + pop rsi
|
| + RESTORE_GOT
|
| + UNSHADOW_ARGS
|
| + pop rbp
|
| + ret
|
| +
|
| +
|
| +SECTION_RODATA
|
| +align 16
|
| +four8s:
|
| + times 4 dd 8
|
|
|