217 lines
6.1 KiB
NASM
217 lines
6.1 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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; tabulate_ssim - sums sum_s,sum_r,sum_sq_s,sum_sq_r, sum_sxr
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%macro TABULATE_SSIM 0
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paddusw xmm15, xmm3 ; sum_s
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paddusw xmm14, xmm4 ; sum_r
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movdqa xmm1, xmm3
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pmaddwd xmm1, xmm1
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paddd xmm13, xmm1 ; sum_sq_s
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movdqa xmm2, xmm4
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pmaddwd xmm2, xmm2
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paddd xmm12, xmm2 ; sum_sq_r
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pmaddwd xmm3, xmm4
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paddd xmm11, xmm3 ; sum_sxr
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%endmacro
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; Sum across the register %1 starting with q words
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%macro SUM_ACROSS_Q 1
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movdqa xmm2,%1
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punpckldq %1,xmm0
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punpckhdq xmm2,xmm0
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paddq %1,xmm2
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movdqa xmm2,%1
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punpcklqdq %1,xmm0
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punpckhqdq xmm2,xmm0
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paddq %1,xmm2
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%endmacro
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; Sum across the register %1 starting with q words
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%macro SUM_ACROSS_W 1
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movdqa xmm1, %1
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punpcklwd %1,xmm0
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punpckhwd xmm1,xmm0
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paddd %1, xmm1
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SUM_ACROSS_Q %1
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%endmacro
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;void ssim_parms_sse2(
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; unsigned char *s,
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; int sp,
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; unsigned char *r,
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; int rp
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; unsigned long *sum_s,
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; unsigned long *sum_r,
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; unsigned long *sum_sq_s,
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; unsigned long *sum_sq_r,
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; unsigned long *sum_sxr);
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;
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; TODO: Use parm passing through structure, probably don't need the pxors
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; ( calling app will initialize to 0 ) could easily fit everything in sse2
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; without too much hastle, and can probably do better estimates with psadw
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; or pavgb At this point this is just meant to be first pass for calculating
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; all the parms needed for 16x16 ssim so we can play with dssim as distortion
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; in mode selection code.
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global sym(vpx_ssim_parms_16x16_sse2) PRIVATE
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sym(vpx_ssim_parms_16x16_sse2):
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push rbp
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mov rbp, rsp
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SHADOW_ARGS_TO_STACK 9
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SAVE_XMM 15
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push rsi
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push rdi
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; end prolog
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mov rsi, arg(0) ;s
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mov rcx, arg(1) ;sp
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mov rdi, arg(2) ;r
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mov rax, arg(3) ;rp
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pxor xmm0, xmm0
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pxor xmm15,xmm15 ;sum_s
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pxor xmm14,xmm14 ;sum_r
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pxor xmm13,xmm13 ;sum_sq_s
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pxor xmm12,xmm12 ;sum_sq_r
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pxor xmm11,xmm11 ;sum_sxr
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mov rdx, 16 ;row counter
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.NextRow:
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;grab source and reference pixels
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movdqu xmm5, [rsi]
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movdqu xmm6, [rdi]
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movdqa xmm3, xmm5
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movdqa xmm4, xmm6
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punpckhbw xmm3, xmm0 ; high_s
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punpckhbw xmm4, xmm0 ; high_r
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TABULATE_SSIM
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movdqa xmm3, xmm5
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movdqa xmm4, xmm6
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punpcklbw xmm3, xmm0 ; low_s
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punpcklbw xmm4, xmm0 ; low_r
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TABULATE_SSIM
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add rsi, rcx ; next s row
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add rdi, rax ; next r row
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dec rdx ; counter
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jnz .NextRow
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SUM_ACROSS_W xmm15
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SUM_ACROSS_W xmm14
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SUM_ACROSS_Q xmm13
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SUM_ACROSS_Q xmm12
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SUM_ACROSS_Q xmm11
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mov rdi,arg(4)
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movd [rdi], xmm15;
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mov rdi,arg(5)
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movd [rdi], xmm14;
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mov rdi,arg(6)
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movd [rdi], xmm13;
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mov rdi,arg(7)
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movd [rdi], xmm12;
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mov rdi,arg(8)
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movd [rdi], xmm11;
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; begin epilog
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pop rdi
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pop rsi
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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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;void ssim_parms_sse2(
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; unsigned char *s,
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; int sp,
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; unsigned char *r,
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; int rp
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; unsigned long *sum_s,
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; unsigned long *sum_r,
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; unsigned long *sum_sq_s,
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; unsigned long *sum_sq_r,
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; unsigned long *sum_sxr);
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;
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; TODO: Use parm passing through structure, probably don't need the pxors
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; ( calling app will initialize to 0 ) could easily fit everything in sse2
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; without too much hastle, and can probably do better estimates with psadw
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; or pavgb At this point this is just meant to be first pass for calculating
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; all the parms needed for 16x16 ssim so we can play with dssim as distortion
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; in mode selection code.
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global sym(vpx_ssim_parms_8x8_sse2) PRIVATE
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sym(vpx_ssim_parms_8x8_sse2):
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push rbp
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mov rbp, rsp
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SHADOW_ARGS_TO_STACK 9
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SAVE_XMM 15
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push rsi
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push rdi
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; end prolog
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mov rsi, arg(0) ;s
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mov rcx, arg(1) ;sp
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mov rdi, arg(2) ;r
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mov rax, arg(3) ;rp
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pxor xmm0, xmm0
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pxor xmm15,xmm15 ;sum_s
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pxor xmm14,xmm14 ;sum_r
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pxor xmm13,xmm13 ;sum_sq_s
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pxor xmm12,xmm12 ;sum_sq_r
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pxor xmm11,xmm11 ;sum_sxr
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mov rdx, 8 ;row counter
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.NextRow:
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;grab source and reference pixels
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movq xmm3, [rsi]
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movq xmm4, [rdi]
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punpcklbw xmm3, xmm0 ; low_s
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punpcklbw xmm4, xmm0 ; low_r
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TABULATE_SSIM
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add rsi, rcx ; next s row
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add rdi, rax ; next r row
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dec rdx ; counter
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jnz .NextRow
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SUM_ACROSS_W xmm15
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SUM_ACROSS_W xmm14
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SUM_ACROSS_Q xmm13
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SUM_ACROSS_Q xmm12
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SUM_ACROSS_Q xmm11
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mov rdi,arg(4)
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movd [rdi], xmm15;
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mov rdi,arg(5)
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movd [rdi], xmm14;
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mov rdi,arg(6)
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movd [rdi], xmm13;
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mov rdi,arg(7)
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movd [rdi], xmm12;
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mov rdi,arg(8)
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movd [rdi], xmm11;
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; begin epilog
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pop rdi
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pop rsi
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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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