c8773416fb
This patch fixed WebRTC Issue 3020: "Uninit error at vp8_mbpost_proc_down_xmm". The first 8 values in d were not initialized, but was accessed. This patch fixed c code as well as mmx and sse2 code. Change-Id: Iaa5b41a4ed3bea971b15fb826ce34b7ab4e36fb1
725 lines
21 KiB
NASM
725 lines
21 KiB
NASM
;
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; Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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;
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; Use of this source code is governed by a BSD-style license
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; that can be found in the LICENSE file in the root of the source
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; tree. An additional intellectual property rights grant can be found
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; in the file PATENTS. All contributing project authors may
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; be found in the AUTHORS file in the root of the source tree.
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;
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%include "vpx_ports/x86_abi_support.asm"
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;macro in deblock functions
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%macro FIRST_2_ROWS 0
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movdqa xmm4, xmm0
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movdqa xmm6, xmm0
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movdqa xmm5, xmm1
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pavgb xmm5, xmm3
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;calculate absolute value
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psubusb xmm4, xmm1
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psubusb xmm1, xmm0
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psubusb xmm6, xmm3
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psubusb xmm3, xmm0
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paddusb xmm4, xmm1
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paddusb xmm6, xmm3
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;get threshold
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movdqa xmm2, flimit
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pxor xmm1, xmm1
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movdqa xmm7, xmm2
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;get mask
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psubusb xmm2, xmm4
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psubusb xmm7, xmm6
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pcmpeqb xmm2, xmm1
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pcmpeqb xmm7, xmm1
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por xmm7, xmm2
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%endmacro
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%macro SECOND_2_ROWS 0
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movdqa xmm6, xmm0
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movdqa xmm4, xmm0
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movdqa xmm2, xmm1
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pavgb xmm1, xmm3
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;calculate absolute value
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psubusb xmm6, xmm2
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psubusb xmm2, xmm0
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psubusb xmm4, xmm3
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psubusb xmm3, xmm0
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paddusb xmm6, xmm2
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paddusb xmm4, xmm3
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pavgb xmm5, xmm1
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;get threshold
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movdqa xmm2, flimit
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pxor xmm1, xmm1
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movdqa xmm3, xmm2
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;get mask
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psubusb xmm2, xmm6
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psubusb xmm3, xmm4
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pcmpeqb xmm2, xmm1
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pcmpeqb xmm3, xmm1
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por xmm7, xmm2
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por xmm7, xmm3
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pavgb xmm5, xmm0
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;decide if or not to use filtered value
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pand xmm0, xmm7
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pandn xmm7, xmm5
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paddusb xmm0, xmm7
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%endmacro
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%macro UPDATE_FLIMIT 0
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movdqa xmm2, XMMWORD PTR [rbx]
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movdqa [rsp], xmm2
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add rbx, 16
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%endmacro
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;void vp8_post_proc_down_and_across_mb_row_sse2
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;(
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; unsigned char *src_ptr,
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; unsigned char *dst_ptr,
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; int src_pixels_per_line,
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; int dst_pixels_per_line,
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; int cols,
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; int *flimits,
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; int size
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;)
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global sym(vp8_post_proc_down_and_across_mb_row_sse2) PRIVATE
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sym(vp8_post_proc_down_and_across_mb_row_sse2):
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push rbp
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mov rbp, rsp
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SHADOW_ARGS_TO_STACK 7
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SAVE_XMM 7
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push rbx
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push rsi
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push rdi
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; end prolog
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ALIGN_STACK 16, rax
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sub rsp, 16
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; put flimit on stack
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mov rbx, arg(5) ;flimits ptr
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UPDATE_FLIMIT
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%define flimit [rsp]
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mov rsi, arg(0) ;src_ptr
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mov rdi, arg(1) ;dst_ptr
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movsxd rax, DWORD PTR arg(2) ;src_pixels_per_line
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movsxd rcx, DWORD PTR arg(6) ;rows in a macroblock
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.nextrow:
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xor rdx, rdx ;col
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.nextcol:
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;load current and next 2 rows
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movdqu xmm0, XMMWORD PTR [rsi]
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movdqu xmm1, XMMWORD PTR [rsi + rax]
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movdqu xmm3, XMMWORD PTR [rsi + 2*rax]
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FIRST_2_ROWS
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;load above 2 rows
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neg rax
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movdqu xmm1, XMMWORD PTR [rsi + 2*rax]
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movdqu xmm3, XMMWORD PTR [rsi + rax]
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SECOND_2_ROWS
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movdqu XMMWORD PTR [rdi], xmm0
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neg rax ; positive stride
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add rsi, 16
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add rdi, 16
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add rdx, 16
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cmp edx, dword arg(4) ;cols
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jge .downdone
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UPDATE_FLIMIT
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jmp .nextcol
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.downdone:
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; done with the all cols, start the across filtering in place
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sub rsi, rdx
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sub rdi, rdx
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mov rbx, arg(5) ; flimits
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UPDATE_FLIMIT
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; dup the first byte into the left border 8 times
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movq mm1, [rdi]
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punpcklbw mm1, mm1
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punpcklwd mm1, mm1
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punpckldq mm1, mm1
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mov rdx, -8
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movq [rdi+rdx], mm1
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; dup the last byte into the right border
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movsxd rdx, dword arg(4)
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movq mm1, [rdi + rdx + -1]
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punpcklbw mm1, mm1
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punpcklwd mm1, mm1
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punpckldq mm1, mm1
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movq [rdi+rdx], mm1
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xor rdx, rdx
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movq mm0, QWORD PTR [rdi-16];
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movq mm1, QWORD PTR [rdi-8];
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.acrossnextcol:
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movdqu xmm0, XMMWORD PTR [rdi + rdx]
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movdqu xmm1, XMMWORD PTR [rdi + rdx -2]
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movdqu xmm3, XMMWORD PTR [rdi + rdx -1]
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FIRST_2_ROWS
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movdqu xmm1, XMMWORD PTR [rdi + rdx +1]
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movdqu xmm3, XMMWORD PTR [rdi + rdx +2]
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SECOND_2_ROWS
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movq QWORD PTR [rdi+rdx-16], mm0 ; store previous 8 bytes
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movq QWORD PTR [rdi+rdx-8], mm1 ; store previous 8 bytes
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movdq2q mm0, xmm0
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psrldq xmm0, 8
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movdq2q mm1, xmm0
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add rdx, 16
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cmp edx, dword arg(4) ;cols
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jge .acrossdone
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UPDATE_FLIMIT
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jmp .acrossnextcol
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.acrossdone
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; last 16 pixels
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movq QWORD PTR [rdi+rdx-16], mm0
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cmp edx, dword arg(4)
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jne .throw_last_8
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movq QWORD PTR [rdi+rdx-8], mm1
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.throw_last_8:
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; done with this rwo
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add rsi,rax ;next src line
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mov eax, dword arg(3) ;dst_pixels_per_line
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add rdi,rax ;next destination
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mov eax, dword arg(2) ;src_pixels_per_line
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mov rbx, arg(5) ;flimits
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UPDATE_FLIMIT
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dec rcx ;decrement count
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jnz .nextrow ;next row
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add rsp, 16
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pop rsp
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; begin epilog
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pop rdi
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pop rsi
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pop rbx
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RESTORE_XMM
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UNSHADOW_ARGS
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pop rbp
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ret
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%undef flimit
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;void vp8_mbpost_proc_down_xmm(unsigned char *dst,
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; int pitch, int rows, int cols,int flimit)
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extern sym(vp8_rv)
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global sym(vp8_mbpost_proc_down_xmm) PRIVATE
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sym(vp8_mbpost_proc_down_xmm):
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push rbp
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mov rbp, rsp
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SHADOW_ARGS_TO_STACK 5
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SAVE_XMM 7
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GET_GOT rbx
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push rsi
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push rdi
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; end prolog
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ALIGN_STACK 16, rax
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sub rsp, 128+16
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; unsigned char d[16][8] at [rsp]
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; create flimit2 at [rsp+128]
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mov eax, dword ptr arg(4) ;flimit
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mov [rsp+128], eax
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mov [rsp+128+4], eax
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mov [rsp+128+8], eax
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mov [rsp+128+12], eax
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%define flimit4 [rsp+128]
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%if ABI_IS_32BIT=0
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lea r8, [GLOBAL(sym(vp8_rv))]
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%endif
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;rows +=8;
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add dword arg(2), 8
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;for(c=0; c<cols; c+=8)
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.loop_col:
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mov rsi, arg(0) ; s
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pxor xmm0, xmm0 ;
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movsxd rax, dword ptr arg(1) ;pitch ;
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; this copies the last row down into the border 8 rows
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mov rdi, rsi
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mov rdx, arg(2)
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sub rdx, 9
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imul rdx, rax
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lea rdi, [rdi+rdx]
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movq xmm1, QWORD ptr[rdi] ; first row
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mov rcx, 8
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.init_borderd ; initialize borders
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lea rdi, [rdi + rax]
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movq [rdi], xmm1
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dec rcx
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jne .init_borderd
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neg rax ; rax = -pitch
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; this copies the first row up into the border 8 rows
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mov rdi, rsi
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movq xmm1, QWORD ptr[rdi] ; first row
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mov rcx, 8
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.init_border ; initialize borders
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lea rdi, [rdi + rax]
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movq [rdi], xmm1
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dec rcx
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jne .init_border
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lea rsi, [rsi + rax*8]; ; rdi = s[-pitch*8]
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neg rax
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pxor xmm5, xmm5
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pxor xmm6, xmm6 ;
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pxor xmm7, xmm7 ;
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mov rdi, rsi
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mov rcx, 15 ;
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.loop_initvar:
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movq xmm1, QWORD PTR [rdi];
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punpcklbw xmm1, xmm0 ;
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paddw xmm5, xmm1 ;
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pmullw xmm1, xmm1 ;
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movdqa xmm2, xmm1 ;
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punpcklwd xmm1, xmm0 ;
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punpckhwd xmm2, xmm0 ;
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paddd xmm6, xmm1 ;
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paddd xmm7, xmm2 ;
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lea rdi, [rdi+rax] ;
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dec rcx
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jne .loop_initvar
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;save the var and sum
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xor rdx, rdx
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.loop_row:
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movq xmm1, QWORD PTR [rsi] ; [s-pitch*8]
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movq xmm2, QWORD PTR [rdi] ; [s+pitch*7]
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punpcklbw xmm1, xmm0
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punpcklbw xmm2, xmm0
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paddw xmm5, xmm2
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psubw xmm5, xmm1
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pmullw xmm2, xmm2
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movdqa xmm4, xmm2
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punpcklwd xmm2, xmm0
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punpckhwd xmm4, xmm0
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paddd xmm6, xmm2
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paddd xmm7, xmm4
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pmullw xmm1, xmm1
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movdqa xmm2, xmm1
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punpcklwd xmm1, xmm0
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psubd xmm6, xmm1
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punpckhwd xmm2, xmm0
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psubd xmm7, xmm2
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movdqa xmm3, xmm6
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pslld xmm3, 4
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psubd xmm3, xmm6
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movdqa xmm1, xmm5
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movdqa xmm4, xmm5
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pmullw xmm1, xmm1
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pmulhw xmm4, xmm4
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movdqa xmm2, xmm1
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punpcklwd xmm1, xmm4
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punpckhwd xmm2, xmm4
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movdqa xmm4, xmm7
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pslld xmm4, 4
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psubd xmm4, xmm7
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psubd xmm3, xmm1
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psubd xmm4, xmm2
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psubd xmm3, flimit4
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psubd xmm4, flimit4
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psrad xmm3, 31
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psrad xmm4, 31
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packssdw xmm3, xmm4
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packsswb xmm3, xmm0
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movq xmm1, QWORD PTR [rsi+rax*8]
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movq xmm2, xmm1
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punpcklbw xmm1, xmm0
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paddw xmm1, xmm5
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mov rcx, rdx
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and rcx, 127
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%if ABI_IS_32BIT=1 && CONFIG_PIC=1
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push rax
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lea rax, [GLOBAL(sym(vp8_rv))]
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movdqu xmm4, [rax + rcx*2] ;vp8_rv[rcx*2]
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pop rax
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%elif ABI_IS_32BIT=0
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movdqu xmm4, [r8 + rcx*2] ;vp8_rv[rcx*2]
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%else
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movdqu xmm4, [sym(vp8_rv) + rcx*2]
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%endif
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paddw xmm1, xmm4
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;paddw xmm1, eight8s
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psraw xmm1, 4
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packuswb xmm1, xmm0
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pand xmm1, xmm3
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pandn xmm3, xmm2
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por xmm1, xmm3
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and rcx, 15
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movq QWORD PTR [rsp + rcx*8], xmm1 ;d[rcx*8]
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cmp edx, 8
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jl .skip_assignment
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mov rcx, rdx
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sub rcx, 8
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and rcx, 15
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movq mm0, [rsp + rcx*8] ;d[rcx*8]
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movq [rsi], mm0
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.skip_assignment
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lea rsi, [rsi+rax]
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lea rdi, [rdi+rax]
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add rdx, 1
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cmp edx, dword arg(2) ;rows
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jl .loop_row
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add dword arg(0), 8 ; s += 8
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sub dword arg(3), 8 ; cols -= 8
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cmp dword arg(3), 0
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jg .loop_col
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add rsp, 128+16
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pop rsp
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; begin epilog
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pop rdi
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pop rsi
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RESTORE_GOT
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RESTORE_XMM
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UNSHADOW_ARGS
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pop rbp
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ret
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%undef flimit4
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;void vp8_mbpost_proc_across_ip_xmm(unsigned char *src,
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; int pitch, int rows, int cols,int flimit)
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global sym(vp8_mbpost_proc_across_ip_xmm) PRIVATE
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sym(vp8_mbpost_proc_across_ip_xmm):
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push rbp
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mov rbp, rsp
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SHADOW_ARGS_TO_STACK 5
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SAVE_XMM 7
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GET_GOT rbx
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push rsi
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push rdi
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; end prolog
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ALIGN_STACK 16, rax
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sub rsp, 16
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; create flimit4 at [rsp]
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mov eax, dword ptr arg(4) ;flimit
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mov [rsp], eax
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mov [rsp+4], eax
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mov [rsp+8], eax
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mov [rsp+12], eax
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%define flimit4 [rsp]
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;for(r=0;r<rows;r++)
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.ip_row_loop:
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xor rdx, rdx ;sumsq=0;
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xor rcx, rcx ;sum=0;
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mov rsi, arg(0); s
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; dup the first byte into the left border 8 times
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movq mm1, [rsi]
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punpcklbw mm1, mm1
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punpcklwd mm1, mm1
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punpckldq mm1, mm1
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mov rdi, -8
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movq [rsi+rdi], mm1
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; dup the last byte into the right border
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movsxd rdx, dword arg(3)
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movq mm1, [rsi + rdx + -1]
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punpcklbw mm1, mm1
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punpcklwd mm1, mm1
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punpckldq mm1, mm1
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movq [rsi+rdx], mm1
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.ip_var_loop:
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;for(i=-8;i<=6;i++)
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;{
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; sumsq += s[i]*s[i];
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; sum += s[i];
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;}
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movzx eax, byte [rsi+rdi]
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add ecx, eax
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mul al
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add edx, eax
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add rdi, 1
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cmp rdi, 6
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jle .ip_var_loop
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;mov rax, sumsq
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;movd xmm7, rax
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movd xmm7, edx
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;mov rax, sum
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;movd xmm6, rax
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movd xmm6, ecx
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mov rsi, arg(0) ;s
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xor rcx, rcx
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movsxd rdx, dword arg(3) ;cols
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add rdx, 8
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pxor mm0, mm0
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|
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)
|
|
extern sym(rand)
|
|
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(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
|