Home | History | Annotate | Download | only in x86
      1 ;
      2 ;  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
      3 ;
      4 ;  Use of this source code is governed by a BSD-style license
      5 ;  that can be found in the LICENSE file in the root of the source
      6 ;  tree. An additional intellectual property rights grant can be found
      7 ;  in the file PATENTS.  All contributing project authors may
      8 ;  be found in the AUTHORS file in the root of the source tree.
      9 ;
     10 
     11 %include "vpx_ports/x86_abi_support.asm"
     12 
     13 ; tabulate_ssim - sums sum_s,sum_r,sum_sq_s,sum_sq_r, sum_sxr
     14 %macro TABULATE_SSIM 0
     15         paddusw         xmm15, xmm3  ; sum_s
     16         paddusw         xmm14, xmm4  ; sum_r
     17         movdqa          xmm1, xmm3
     18         pmaddwd         xmm1, xmm1
     19         paddq           xmm13, xmm1 ; sum_sq_s
     20         movdqa          xmm2, xmm4
     21         pmaddwd         xmm2, xmm2
     22         paddq           xmm12, xmm2 ; sum_sq_r
     23         pmaddwd         xmm3, xmm4
     24         paddq           xmm11, xmm3  ; sum_sxr
     25 %endmacro
     26 
     27 ; Sum across the register %1 starting with q words
     28 %macro SUM_ACROSS_Q 1
     29         movdqa          xmm2,%1
     30         punpckldq       %1,xmm0
     31         punpckhdq       xmm2,xmm0
     32         paddq           %1,xmm2
     33         movdqa          xmm2,%1
     34         punpcklqdq      %1,xmm0
     35         punpckhqdq      xmm2,xmm0
     36         paddq           %1,xmm2
     37 %endmacro
     38 
     39 ; Sum across the register %1 starting with q words
     40 %macro SUM_ACROSS_W 1
     41         movdqa          xmm1, %1
     42         punpcklwd       %1,xmm0
     43         punpckhwd       xmm1,xmm0
     44         paddd           %1, xmm1
     45         SUM_ACROSS_Q    %1
     46 %endmacro
     47 ;void ssim_parms_sse3(
     48 ;    unsigned char *s,
     49 ;    int sp,
     50 ;    unsigned char *r,
     51 ;    int rp
     52 ;    unsigned long *sum_s,
     53 ;    unsigned long *sum_r,
     54 ;    unsigned long *sum_sq_s,
     55 ;    unsigned long *sum_sq_r,
     56 ;    unsigned long *sum_sxr);
     57 ;
     58 ; TODO: Use parm passing through structure, probably don't need the pxors
     59 ; ( calling app will initialize to 0 ) could easily fit everything in sse2
     60 ; without too much hastle, and can probably do better estimates with psadw
     61 ; or pavgb At this point this is just meant to be first pass for calculating
     62 ; all the parms needed for 16x16 ssim so we can play with dssim as distortion
     63 ; in mode selection code.
     64 global sym(vp8_ssim_parms_16x16_sse3)
     65 sym(vp8_ssim_parms_16x16_sse3):
     66     push        rbp
     67     mov         rbp, rsp
     68     SHADOW_ARGS_TO_STACK 9
     69     push        rsi
     70     push        rdi
     71     ; end prolog
     72 
     73     mov             rsi,        arg(0) ;s
     74     mov             rcx,        arg(1) ;sp
     75     mov             rdi,        arg(2) ;r
     76     mov             rax,        arg(3) ;rp
     77 
     78     pxor            xmm0, xmm0
     79     pxor            xmm15,xmm15  ;sum_s
     80     pxor            xmm14,xmm14  ;sum_r
     81     pxor            xmm13,xmm13  ;sum_sq_s
     82     pxor            xmm12,xmm12  ;sum_sq_r
     83     pxor            xmm11,xmm11  ;sum_sxr
     84 
     85     mov             rdx, 16      ;row counter
     86 NextRow:
     87 
     88     ;grab source and reference pixels
     89     movdqu          xmm5, [rsi]
     90     movdqu          xmm6, [rdi]
     91     movdqa          xmm3, xmm5
     92     movdqa          xmm4, xmm6
     93     punpckhbw       xmm3, xmm0 ; high_s
     94     punpckhbw       xmm4, xmm0 ; high_r
     95 
     96     TABULATE_SSIM
     97 
     98     movdqa          xmm3, xmm5
     99     movdqa          xmm4, xmm6
    100     punpcklbw       xmm3, xmm0 ; low_s
    101     punpcklbw       xmm4, xmm0 ; low_r
    102 
    103     TABULATE_SSIM
    104 
    105     add             rsi, rcx   ; next s row
    106     add             rdi, rax   ; next r row
    107 
    108     dec             rdx        ; counter
    109     jnz NextRow
    110 
    111     SUM_ACROSS_W    xmm15
    112     SUM_ACROSS_W    xmm14
    113     SUM_ACROSS_Q    xmm13
    114     SUM_ACROSS_Q    xmm12
    115     SUM_ACROSS_Q    xmm11
    116 
    117     mov             rdi,arg(4)
    118     movq            [rdi], xmm15;
    119     mov             rdi,arg(5)
    120     movq            [rdi], xmm14;
    121     mov             rdi,arg(6)
    122     movq            [rdi], xmm13;
    123     mov             rdi,arg(7)
    124     movq            [rdi], xmm12;
    125     mov             rdi,arg(8)
    126     movq            [rdi], xmm11;
    127 
    128     ; begin epilog
    129     pop         rdi
    130     pop         rsi
    131     UNSHADOW_ARGS
    132     pop         rbp
    133     ret
    134 
    135 ;void ssim_parms_sse3(
    136 ;    unsigned char *s,
    137 ;    int sp,
    138 ;    unsigned char *r,
    139 ;    int rp
    140 ;    unsigned long *sum_s,
    141 ;    unsigned long *sum_r,
    142 ;    unsigned long *sum_sq_s,
    143 ;    unsigned long *sum_sq_r,
    144 ;    unsigned long *sum_sxr);
    145 ;
    146 ; TODO: Use parm passing through structure, probably don't need the pxors
    147 ; ( calling app will initialize to 0 ) could easily fit everything in sse2
    148 ; without too much hastle, and can probably do better estimates with psadw
    149 ; or pavgb At this point this is just meant to be first pass for calculating
    150 ; all the parms needed for 16x16 ssim so we can play with dssim as distortion
    151 ; in mode selection code.
    152 global sym(vp8_ssim_parms_8x8_sse3)
    153 sym(vp8_ssim_parms_8x8_sse3):
    154     push        rbp
    155     mov         rbp, rsp
    156     SHADOW_ARGS_TO_STACK 9
    157     push        rsi
    158     push        rdi
    159     ; end prolog
    160 
    161     mov             rsi,        arg(0) ;s
    162     mov             rcx,        arg(1) ;sp
    163     mov             rdi,        arg(2) ;r
    164     mov             rax,        arg(3) ;rp
    165 
    166     pxor            xmm0, xmm0
    167     pxor            xmm15,xmm15  ;sum_s
    168     pxor            xmm14,xmm14  ;sum_r
    169     pxor            xmm13,xmm13  ;sum_sq_s
    170     pxor            xmm12,xmm12  ;sum_sq_r
    171     pxor            xmm11,xmm11  ;sum_sxr
    172 
    173     mov             rdx, 8      ;row counter
    174 NextRow2:
    175 
    176     ;grab source and reference pixels
    177     movq            xmm5, [rsi]
    178     movq            xmm6, [rdi]
    179 
    180     movdqa          xmm3, xmm5
    181     movdqa          xmm4, xmm6
    182     punpcklbw       xmm3, xmm0 ; low_s
    183     punpcklbw       xmm4, xmm0 ; low_r
    184 
    185     TABULATE_SSIM
    186 
    187     add             rsi, rcx   ; next s row
    188     add             rdi, rax   ; next r row
    189 
    190     dec             rdx        ; counter
    191     jnz NextRow2
    192 
    193     SUM_ACROSS_W    xmm15
    194     SUM_ACROSS_W    xmm14
    195     SUM_ACROSS_Q    xmm13
    196     SUM_ACROSS_Q    xmm12
    197     SUM_ACROSS_Q    xmm11
    198 
    199     mov             rdi,arg(4)
    200     movq            [rdi], xmm15;
    201     mov             rdi,arg(5)
    202     movq            [rdi], xmm14;
    203     mov             rdi,arg(6)
    204     movq            [rdi], xmm13;
    205     mov             rdi,arg(7)
    206     movq            [rdi], xmm12;
    207     mov             rdi,arg(8)
    208     movq            [rdi], xmm11;
    209 
    210     ; begin epilog
    211     pop         rdi
    212     pop         rsi
    213     UNSHADOW_ARGS
    214     pop         rbp
    215     ret
    216