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Copy pathipred_ssse3.asm
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ipred_ssse3.asm
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; Copyright © 2018, VideoLAN and dav1d authors
; Copyright © 2018, Two Orioles, LLC
; All rights reserved.
;
; Redistribution and use in source and binary forms, with or without
; modification, are permitted provided that the following conditions are met:
;
; 1. Redistributions of source code must retain the above copyright notice, this
; list of conditions and the following disclaimer.
;
; 2. Redistributions in binary form must reproduce the above copyright notice,
; this list of conditions and the following disclaimer in the documentation
; and/or other materials provided with the distribution.
;
; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
; ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
; DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
; ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
; (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
; ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
%include "config.asm"
%include "ext/x86/x86inc.asm"
SECTION_RODATA 16
%macro SMOOTH_WEIGHT_TABLE 1-*
%rep %0
db %1-128, 127-%1
%rotate 1
%endrep
%endmacro
; sm_weights[], but modified to precalculate x and 256-x with offsets to
; enable efficient use of pmaddubsw (which requires signed values)
smooth_weights: SMOOTH_WEIGHT_TABLE \
0, 0, 255, 128, 255, 149, 85, 64, \
255, 197, 146, 105, 73, 50, 37, 32, \
255, 225, 196, 170, 145, 123, 102, 84, \
68, 54, 43, 33, 26, 20, 17, 16, \
255, 240, 225, 210, 196, 182, 169, 157, \
145, 133, 122, 111, 101, 92, 83, 74, \
66, 59, 52, 45, 39, 34, 29, 25, \
21, 17, 14, 12, 10, 9, 8, 8, \
255, 248, 240, 233, 225, 218, 210, 203, \
196, 189, 182, 176, 169, 163, 156, 150, \
144, 138, 133, 127, 121, 116, 111, 106, \
101, 96, 91, 86, 82, 77, 73, 69, \
65, 61, 57, 54, 50, 47, 44, 41, \
38, 35, 32, 29, 27, 25, 22, 20, \
18, 16, 15, 13, 12, 10, 9, 8, \
7, 6, 6, 5, 5, 4, 4, 4
ipred_v_shuf : db 0, 1, 0, 1, 2, 3, 2, 3, 4, 5, 4, 5, 6, 7, 6, 7
ipred_h_shuf : db 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0
ipred_paeth_shuf : db 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0
filter_shuf1 : db 3, 4, 3, 4, 5, 6, 5, 6, 7, 2, 7, 2, 1, -1, 1, -1
filter_shuf2 : db 3, 4, 3, 4, 5, 6, 5, 6, 7, 11, 7, 11, 15, -1, 15, -1
pw_8 : times 8 dw 8
pb_3 : times 16 db 3
pb_128 : times 8 db 128
pw_128 : times 4 dw 128
pw_255 : times 4 dw 255
pb_2 : times 8 db 2
pb_4 : times 8 db 4
pb_127_m127 : times 4 db 127, -127
pd_32768 : times 1 dd 32768
%macro JMP_TABLE 3-*
%xdefine %1_%2_table (%%table - 2*4)
%xdefine %%base mangle(private_prefix %+ _%1_%2)
%%table:
%rep %0 - 2
dd %%base %+ .%3 - (%%table - 2*4)
%rotate 1
%endrep
%endmacro
%define ipred_dc_splat_ssse3_table (ipred_dc_ssse3_table + 10*4)
%define ipred_cfl_splat_ssse3_table (ipred_cfl_ssse3_table + 8*4)
JMP_TABLE ipred_h, ssse3, w4, w8, w16, w32, w64
JMP_TABLE ipred_dc, ssse3, h4, h8, h16, h32, h64, w4, w8, w16, w32, w64, \
s4-10*4, s8-10*4, s16-10*4, s32-10*4, s64-10*4
JMP_TABLE ipred_dc_left, ssse3, h4, h8, h16, h32, h64
JMP_TABLE ipred_smooth, ssse3, w4, w8, w16, w32, w64
JMP_TABLE ipred_smooth_v, ssse3, w4, w8, w16, w32, w64
JMP_TABLE ipred_smooth_h, ssse3, w4, w8, w16, w32, w64
JMP_TABLE ipred_paeth, ssse3, w4, w8, w16, w32, w64
JMP_TABLE pal_pred, ssse3, w4, w8, w16, w32, w64
JMP_TABLE ipred_cfl, ssse3, h4, h8, h16, h32, w4, w8, w16, w32, \
s4-8*4, s8-8*4, s16-8*4, s32-8*4
JMP_TABLE ipred_cfl_left, ssse3, h4, h8, h16, h32
JMP_TABLE ipred_filter, ssse3, w4, w8, w16, w32
cextern filter_intra_taps
SECTION .text
;---------------------------------------------------------------------------------------
;int dav1d_ipred_h_ssse3(pixel *dst, const ptrdiff_t stride, const pixel *const topleft,
; const int width, const int height, const int a);
;---------------------------------------------------------------------------------------
%macro IPRED_SET 3 ; width, stride, stride size pshuflw_imm8
pshuflw m1, m0, %3 ; extend 8 byte for 2 pos
punpcklqdq m1, m1
mova [dstq + %2], m1
%if %1 > 16
mova [dstq + 16 + %2], m1
%endif
%if %1 > 32
mova [dstq + 32 + %2], m1
mova [dstq + 48 + %2], m1
%endif
%endmacro
%macro IPRED_H 1 ; width
sub tlq, 4
movd m0, [tlq] ; get 4 bytes of topleft data
punpcklbw m0, m0 ; extend 2 byte
%if %1 == 4
pshuflw m1, m0, q2233
movd [dstq+strideq*0], m1
psrlq m1, 32
movd [dstq+strideq*1], m1
pshuflw m0, m0, q0011
movd [dstq+strideq*2], m0
psrlq m0, 32
movd [dstq+stride3q ], m0
%elif %1 == 8
punpcklwd m0, m0
punpckhdq m1, m0, m0
punpckldq m0, m0
movq [dstq+strideq*1], m1
movhps [dstq+strideq*0], m1
movq [dstq+stride3q ], m0
movhps [dstq+strideq*2], m0
%else
IPRED_SET %1, 0, q3333
IPRED_SET %1, strideq, q2222
IPRED_SET %1, strideq*2, q1111
IPRED_SET %1, stride3q, q0000
%endif
lea dstq, [dstq+strideq*4]
sub hd, 4
jg .w%1
RET
%endmacro
INIT_XMM ssse3
cglobal ipred_h, 3, 6, 2, dst, stride, tl, w, h, stride3
LEA r5, ipred_h_ssse3_table
tzcnt wd, wm
movifnidn hd, hm
movsxd wq, [r5+wq*4]
add wq, r5
lea stride3q, [strideq*3]
jmp wq
.w4:
IPRED_H 4
.w8:
IPRED_H 8
.w16:
IPRED_H 16
.w32:
IPRED_H 32
.w64:
IPRED_H 64
;---------------------------------------------------------------------------------------
;int dav1d_ipred_v_ssse3(pixel *dst, const ptrdiff_t stride, const pixel *const topleft,
; const int width, const int height, const int a);
;---------------------------------------------------------------------------------------
cglobal ipred_v, 3, 7, 6, dst, stride, tl, w, h, stride3
LEA r5, ipred_dc_splat_ssse3_table
tzcnt wd, wm
movu m0, [tlq+ 1]
movu m1, [tlq+17]
movu m2, [tlq+33]
movu m3, [tlq+49]
movifnidn hd, hm
movsxd wq, [r5+wq*4]
add wq, r5
lea stride3q, [strideq*3]
jmp wq
;---------------------------------------------------------------------------------------
;int dav1d_ipred_dc_ssse3(pixel *dst, const ptrdiff_t stride, const pixel *const topleft,
; const int width, const int height, const int a);
;---------------------------------------------------------------------------------------
cglobal ipred_dc, 3, 7, 6, dst, stride, tl, w, h, stride3
movifnidn hd, hm
movifnidn wd, wm
tzcnt r6d, hd
lea r5d, [wq+hq]
movd m4, r5d
tzcnt r5d, r5d
movd m5, r5d
LEA r5, ipred_dc_ssse3_table
tzcnt wd, wd
movsxd r6, [r5+r6*4]
movsxd wq, [r5+wq*4+20]
pcmpeqd m3, m3
psrlw m4, 1 ; dc = (width + height) >> 1;
add r6, r5
add wq, r5
lea stride3q, [strideq*3]
jmp r6
.h4:
movd m0, [tlq-4]
pmaddubsw m0, m3
jmp wq
.w4:
movd m1, [tlq+1]
pmaddubsw m1, m3
psubw m0, m4
paddw m0, m1
pmaddwd m0, m3
cmp hd, 4
jg .w4_mul
psrlw m0, 3 ; dc >>= ctz(width + height);
jmp .w4_end
.w4_mul:
punpckhqdq m1, m0, m0
paddw m0, m1
psrlq m1, m0, 32
paddw m0, m1
psrlw m0, 2
mov r6d, 0x5556
mov r2d, 0x3334
test hd, 8
cmovz r6d, r2d
movd m5, r6d
pmulhuw m0, m5
.w4_end:
pxor m1, m1
pshufb m0, m1
.s4:
movd [dstq+strideq*0], m0
movd [dstq+strideq*1], m0
movd [dstq+strideq*2], m0
movd [dstq+stride3q ], m0
lea dstq, [dstq+strideq*4]
sub hd, 4
jg .s4
RET
ALIGN function_align
.h8:
movq m0, [tlq-8]
pmaddubsw m0, m3
jmp wq
.w8:
movq m1, [tlq+1]
pmaddubsw m1, m3
psubw m4, m0
punpckhqdq m0, m0
psubw m0, m4
paddw m0, m1
pshuflw m1, m0, q1032 ; psrlq m1, m0, 32
paddw m0, m1
pmaddwd m0, m3
psrlw m0, m5
cmp hd, 8
je .w8_end
mov r6d, 0x5556
mov r2d, 0x3334
cmp hd, 32
cmovz r6d, r2d
movd m1, r6d
pmulhuw m0, m1
.w8_end:
pxor m1, m1
pshufb m0, m1
.s8:
movq [dstq+strideq*0], m0
movq [dstq+strideq*1], m0
movq [dstq+strideq*2], m0
movq [dstq+stride3q ], m0
lea dstq, [dstq+strideq*4]
sub hd, 4
jg .s8
RET
ALIGN function_align
.h16:
mova m0, [tlq-16]
pmaddubsw m0, m3
jmp wq
.w16:
movu m1, [tlq+1]
pmaddubsw m1, m3
paddw m0, m1
psubw m4, m0
punpckhqdq m0, m0
psubw m0, m4
pshuflw m1, m0, q1032 ; psrlq m1, m0, 32
paddw m0, m1
pmaddwd m0, m3
psrlw m0, m5
cmp hd, 16
je .w16_end
mov r6d, 0x5556
mov r2d, 0x3334
test hd, 8|32
cmovz r6d, r2d
movd m1, r6d
pmulhuw m0, m1
.w16_end:
pxor m1, m1
pshufb m0, m1
.s16:
mova [dstq+strideq*0], m0
mova [dstq+strideq*1], m0
mova [dstq+strideq*2], m0
mova [dstq+stride3q ], m0
lea dstq, [dstq+strideq*4]
sub hd, 4
jg .s16
RET
ALIGN function_align
.h32:
mova m0, [tlq-32]
pmaddubsw m0, m3
mova m2, [tlq-16]
pmaddubsw m2, m3
paddw m0, m2
jmp wq
.w32:
movu m1, [tlq+1]
pmaddubsw m1, m3
movu m2, [tlq+17]
pmaddubsw m2, m3
paddw m1, m2
paddw m0, m1
psubw m4, m0
punpckhqdq m0, m0
psubw m0, m4
pshuflw m1, m0, q1032 ; psrlq m1, m0, 32
paddw m0, m1
pmaddwd m0, m3
psrlw m0, m5
cmp hd, 32
je .w32_end
lea r2d, [hq*2]
mov r6d, 0x5556
mov r2d, 0x3334
test hd, 64|16
cmovz r6d, r2d
movd m1, r6d
pmulhuw m0, m1
.w32_end:
pxor m1, m1
pshufb m0, m1
mova m1, m0
.s32:
mova [dstq], m0
mova [dstq+16], m1
mova [dstq+strideq], m0
mova [dstq+strideq+16], m1
mova [dstq+strideq*2], m0
mova [dstq+strideq*2+16], m1
mova [dstq+stride3q], m0
mova [dstq+stride3q+16], m1
lea dstq, [dstq+strideq*4]
sub hd, 4
jg .s32
RET
ALIGN function_align
.h64:
mova m0, [tlq-64]
mova m1, [tlq-48]
pmaddubsw m0, m3
pmaddubsw m1, m3
paddw m0, m1
mova m1, [tlq-32]
pmaddubsw m1, m3
paddw m0, m1
mova m1, [tlq-16]
pmaddubsw m1, m3
paddw m0, m1
jmp wq
.w64:
movu m1, [tlq+ 1]
movu m2, [tlq+17]
pmaddubsw m1, m3
pmaddubsw m2, m3
paddw m1, m2
movu m2, [tlq+33]
pmaddubsw m2, m3
paddw m1, m2
movu m2, [tlq+49]
pmaddubsw m2, m3
paddw m1, m2
paddw m0, m1
psubw m4, m0
punpckhqdq m0, m0
psubw m0, m4
pshuflw m1, m0, q1032 ; psrlq m1, m0, 32
paddw m0, m1
pmaddwd m0, m3
psrlw m0, m5
cmp hd, 64
je .w64_end
mov r6d, 0x5556
mov r2d, 0x3334
test hd, 32
cmovz r6d, r2d
movd m1, r6d
pmulhuw m0, m1
.w64_end:
pxor m1, m1
pshufb m0, m1
mova m1, m0
mova m2, m0
mova m3, m0
.s64:
mova [dstq], m0
mova [dstq+16], m1
mova [dstq+32], m2
mova [dstq+48], m3
mova [dstq+strideq], m0
mova [dstq+strideq+16], m1
mova [dstq+strideq+32], m2
mova [dstq+strideq+48], m3
lea dstq, [dstq+strideq*2]
sub hd, 2
jg .s64
RET
;---------------------------------------------------------------------------------------
;int dav1d_ipred_dc_left_ssse3(pixel *dst, const ptrdiff_t stride, const pixel *const topleft,
; const int width, const int height, const int a);
;---------------------------------------------------------------------------------------
cglobal ipred_dc_left, 3, 7, 6, dst, stride, tl, w, h, stride3
LEA r5, ipred_dc_left_ssse3_table
mov hd, hm ; zero upper half
tzcnt r6d, hd
sub tlq, hq
tzcnt wd, wm
movu m0, [tlq]
movd m3, [r5-ipred_dc_left_ssse3_table+pd_32768]
movd m2, r6d
psrld m3, m2
movsxd r6, [r5+r6*4]
pcmpeqd m2, m2
pmaddubsw m0, m2
add r6, r5
add r5, ipred_dc_splat_ssse3_table-ipred_dc_left_ssse3_table
movsxd wq, [r5+wq*4]
add wq, r5
jmp r6
.h64:
movu m1, [tlq+48] ; unaligned when jumping here from dc_top
pmaddubsw m1, m2
paddw m0, m1
movu m1, [tlq+32] ; unaligned when jumping here from dc_top
pmaddubsw m1, m2
paddw m0, m1
.h32:
movu m1, [tlq+16] ; unaligned when jumping here from dc_top
pmaddubsw m1, m2
paddw m0, m1
.h16:
pshufd m1, m0, q3232 ; psrlq m1, m0, 16
paddw m0, m1
.h8:
pshuflw m1, m0, q1032 ; psrlq m1, m0, 32
paddw m0, m1
.h4:
pmaddwd m0, m2
pmulhrsw m0, m3
lea stride3q, [strideq*3]
pxor m1, m1
pshufb m0, m1
mova m1, m0
mova m2, m0
mova m3, m0
jmp wq
;---------------------------------------------------------------------------------------
;int dav1d_ipred_dc_128_ssse3(pixel *dst, const ptrdiff_t stride, const pixel *const topleft,
; const int width, const int height, const int a);
;---------------------------------------------------------------------------------------
cglobal ipred_dc_128, 2, 7, 6, dst, stride, tl, w, h, stride3
LEA r5, ipred_dc_splat_ssse3_table
tzcnt wd, wm
movifnidn hd, hm
movsxd wq, [r5+wq*4]
movddup m0, [r5-ipred_dc_splat_ssse3_table+pb_128]
mova m1, m0
mova m2, m0
mova m3, m0
add wq, r5
lea stride3q, [strideq*3]
jmp wq
;---------------------------------------------------------------------------------------
;int dav1d_ipred_dc_top_ssse3(pixel *dst, const ptrdiff_t stride, const pixel *const topleft,
; const int width, const int height, const int a);
;---------------------------------------------------------------------------------------
cglobal ipred_dc_top, 3, 7, 6, dst, stride, tl, w, h
LEA r5, ipred_dc_left_ssse3_table
tzcnt wd, wm
inc tlq
movu m0, [tlq]
movifnidn hd, hm
movd m3, [r5-ipred_dc_left_ssse3_table+pd_32768]
movd m2, wd
psrld m3, m2
movsxd r6, [r5+wq*4]
pcmpeqd m2, m2
pmaddubsw m0, m2
add r6, r5
add r5, ipred_dc_splat_ssse3_table-ipred_dc_left_ssse3_table
movsxd wq, [r5+wq*4]
add wq, r5
jmp r6
;---------------------------------------------------------------------------------------
;int dav1d_ipred_smooth_v_ssse3(pixel *dst, const ptrdiff_t stride, const pixel *const topleft,
; const int width, const int height, const int a);
;---------------------------------------------------------------------------------------
%macro SMOOTH 6 ; src[1-2], mul[1-2], add[1-2]
; w * a = (w - 128) * a + 128 * a
; (256 - w) * b = (127 - w) * b + 129 * b
; => w * a + (256 - w) * b = [(w - 128) * a + (127 - w) * b] + [128 * a + 129 * b]
pmaddubsw m6, m%3, m%1
pmaddubsw m0, m%4, m%2 ; (w - 128) * a + (127 - w) * b
paddw m6, m%5
paddw m0, m%6 ; [(w - 128) * a + (127 - w) * b] + [128 * a + 129 * b + 128]
psrlw m6, 8
psrlw m0, 8
packuswb m6, m0
%endmacro
cglobal ipred_smooth_v, 3, 7, 7, dst, stride, tl, w, h, weights
%define base r6-ipred_smooth_v_ssse3_table
LEA r6, ipred_smooth_v_ssse3_table
tzcnt wd, wm
mov hd, hm
movsxd wq, [r6+wq*4]
movddup m0, [base+pb_127_m127]
movddup m1, [base+pw_128]
lea weightsq, [base+smooth_weights+hq*4]
neg hq
movd m5, [tlq+hq]
pxor m2, m2
pshufb m5, m2
add wq, r6
jmp wq
.w4:
movd m2, [tlq+1]
punpckldq m2, m2
punpcklbw m2, m5 ; top, bottom
lea r3, [strideq*3]
mova m4, [base+ipred_v_shuf]
mova m5, m4
punpckldq m4, m4
punpckhdq m5, m5
pmaddubsw m3, m2, m0 ; m3: 127 * top - 127 * bottom
paddw m1, m2 ; m1: 1 * top + 256 * bottom + 128, overflow is ok
paddw m3, m1 ; m3: 128 * top + 129 * bottom + 128
.w4_loop:
movu m1, [weightsq+hq*2]
pshufb m0, m1, m4 ;m2, m3, m4 and m5 should be stable in loop
pshufb m1, m5
SMOOTH 0, 1, 2, 2, 3, 3
movd [dstq+strideq*0], m6
pshuflw m1, m6, q1032
movd [dstq+strideq*1], m1
punpckhqdq m6, m6
movd [dstq+strideq*2], m6
psrlq m6, 32
movd [dstq+r3 ], m6
lea dstq, [dstq+strideq*4]
add hq, 4
jl .w4_loop
RET
ALIGN function_align
.w8:
movq m2, [tlq+1]
punpcklbw m2, m5
mova m5, [base+ipred_v_shuf]
lea r3, [strideq*3]
pshufd m4, m5, q0000
pshufd m5, m5, q1111
pmaddubsw m3, m2, m0
paddw m1, m2
paddw m3, m1 ; m3 is output for loop
.w8_loop:
movq m1, [weightsq+hq*2]
pshufb m0, m1, m4
pshufb m1, m5
SMOOTH 0, 1, 2, 2, 3, 3
movq [dstq+strideq*0], m6
movhps [dstq+strideq*1], m6
lea dstq, [dstq+strideq*2]
add hq, 2
jl .w8_loop
RET
ALIGN function_align
.w16:
movu m3, [tlq+1]
punpcklbw m2, m3, m5
punpckhbw m3, m5
pmaddubsw m4, m2, m0
pmaddubsw m5, m3, m0
paddw m0, m1, m2
paddw m1, m3
paddw m4, m0
paddw m5, m1 ; m4 and m5 is output for loop
.w16_loop:
movd m1, [weightsq+hq*2]
pshuflw m1, m1, q0000
punpcklqdq m1, m1
SMOOTH 1, 1, 2, 3, 4, 5
mova [dstq], m6
add dstq, strideq
add hq, 1
jl .w16_loop
RET
ALIGN function_align
.w32:
%if WIN64
movaps [rsp+24], xmm7
%define xmm_regs_used 8
%endif
mova m7, m5
.w32_loop_init:
mov r3d, 2
.w32_loop:
movddup m0, [base+pb_127_m127]
movddup m1, [base+pw_128]
movu m3, [tlq+1]
punpcklbw m2, m3, m7
punpckhbw m3, m7
pmaddubsw m4, m2, m0
pmaddubsw m5, m3, m0
paddw m0, m1, m2
paddw m1, m3
paddw m4, m0
paddw m5, m1
movd m1, [weightsq+hq*2]
pshuflw m1, m1, q0000
punpcklqdq m1, m1
SMOOTH 1, 1, 2, 3, 4, 5
mova [dstq], m6
add tlq, 16
add dstq, 16
dec r3d
jg .w32_loop
lea dstq, [dstq-32+strideq]
sub tlq, 32
add hq, 1
jl .w32_loop_init
RET
ALIGN function_align
.w64:
%if WIN64
movaps [rsp+24], xmm7
%define xmm_regs_used 8
%endif
mova m7, m5
.w64_loop_init:
mov r3d, 4
.w64_loop:
movddup m0, [base+pb_127_m127]
movddup m1, [base+pw_128]
movu m3, [tlq+1]
punpcklbw m2, m3, m7
punpckhbw m3, m7
pmaddubsw m4, m2, m0
pmaddubsw m5, m3, m0
paddw m0, m1, m2
paddw m1, m3
paddw m4, m0
paddw m5, m1
movd m1, [weightsq+hq*2]
pshuflw m1, m1, q0000
punpcklqdq m1, m1
SMOOTH 1, 1, 2, 3, 4, 5
mova [dstq], m6
add tlq, 16
add dstq, 16
dec r3d
jg .w64_loop
lea dstq, [dstq-64+strideq]
sub tlq, 64
add hq, 1
jl .w64_loop_init
RET
;---------------------------------------------------------------------------------------
;int dav1d_ipred_smooth_h_ssse3(pixel *dst, const ptrdiff_t stride, const pixel *const topleft,
; const int width, const int height, const int a);
;---------------------------------------------------------------------------------------
cglobal ipred_smooth_h, 3, 7, 8, dst, stride, tl, w, h
%define base r6-ipred_smooth_h_ssse3_table
LEA r6, ipred_smooth_h_ssse3_table
mov wd, wm
movd m3, [tlq+wq]
pxor m1, m1
pshufb m3, m1 ; right
tzcnt wd, wd
mov hd, hm
movsxd wq, [r6+wq*4]
movddup m4, [base+pb_127_m127]
movddup m5, [base+pw_128]
add wq, r6
jmp wq
.w4:
movddup m6, [base+smooth_weights+4*2]
mova m7, [base+ipred_h_shuf]
sub tlq, 4
sub tlq, hq
lea r3, [strideq*3]
.w4_loop:
movd m2, [tlq+hq] ; left
pshufb m2, m7
punpcklbw m1, m2, m3 ; left, right
punpckhbw m2, m3
pmaddubsw m0, m1, m4 ; 127 * left - 127 * right
paddw m0, m1 ; 128 * left + 129 * right
pmaddubsw m1, m6
paddw m1, m5
paddw m0, m1
pmaddubsw m1, m2, m4
paddw m1, m2
pmaddubsw m2, m6
paddw m2, m5
paddw m1, m2
psrlw m0, 8
psrlw m1, 8
packuswb m0, m1
movd [dstq+strideq*0], m0
pshuflw m1, m0, q1032
movd [dstq+strideq*1], m1
punpckhqdq m0, m0
movd [dstq+strideq*2], m0
psrlq m0, 32
movd [dstq+r3 ], m0
lea dstq, [dstq+strideq*4]
sub hd, 4
jg .w4_loop
RET
ALIGN function_align
.w8:
mova m6, [base+smooth_weights+8*2]
mova m7, [base+ipred_h_shuf]
sub tlq, 4
sub tlq, hq
punpckldq m7, m7
.w8_loop:
movd m2, [tlq+hq] ; left
pshufb m2, m7
punpcklbw m1, m2, m3 ; left, right
punpckhbw m2, m3
pmaddubsw m0, m1, m4 ; 127 * left - 127 * right
paddw m0, m1 ; 128 * left + 129 * right
pmaddubsw m1, m6
paddw m1, m5
paddw m0, m1
pmaddubsw m1, m2, m4
paddw m1, m2
pmaddubsw m2, m6
paddw m2, m5
paddw m1, m2
psrlw m0, 8
psrlw m1, 8
packuswb m0, m1
movq [dstq+strideq*0], m0
movhps [dstq+strideq*1], m0
lea dstq, [dstq+strideq*2]
sub hd, 2
jg .w8_loop
RET
ALIGN function_align
.w16:
mova m6, [base+smooth_weights+16*2]
mova m7, [base+smooth_weights+16*3]
sub tlq, 1
sub tlq, hq
.w16_loop:
pxor m1, m1
movd m2, [tlq+hq] ; left
pshufb m2, m1
punpcklbw m1, m2, m3 ; left, right
punpckhbw m2, m3
pmaddubsw m0, m1, m4 ; 127 * left - 127 * right
paddw m0, m1 ; 128 * left + 129 * right
pmaddubsw m1, m6
paddw m1, m5
paddw m0, m1
pmaddubsw m1, m2, m4
paddw m1, m2
pmaddubsw m2, m7
paddw m2, m5
paddw m1, m2
psrlw m0, 8
psrlw m1, 8
packuswb m0, m1
mova [dstq], m0
lea dstq, [dstq+strideq]
sub hd, 1
jg .w16_loop
RET
ALIGN function_align
.w32:
sub tlq, 1
sub tlq, hq
pxor m6, m6
.w32_loop_init:
mov r5, 2
lea r3, [base+smooth_weights+16*4]
.w32_loop:
mova m7, [r3]
add r3, 16
movd m2, [tlq+hq] ; left
pshufb m2, m6
punpcklbw m1, m2, m3 ; left, right
punpckhbw m2, m3
pmaddubsw m0, m1, m4 ; 127 * left - 127 * right
paddw m0, m1 ; 128 * left + 129 * right
pmaddubsw m1, m7
paddw m1, m5
paddw m0, m1
pmaddubsw m1, m2, m4
paddw m1, m2
mova m7, [r3]
add r3, 16
pmaddubsw m2, m7
paddw m2, m5
paddw m1, m2
psrlw m0, 8
psrlw m1, 8
packuswb m0, m1
mova [dstq], m0
add dstq, 16
dec r5
jg .w32_loop
lea dstq, [dstq-32+strideq]
sub hd, 1
jg .w32_loop_init
RET
ALIGN function_align
.w64:
sub tlq, 1
sub tlq, hq
pxor m6, m6
.w64_loop_init:
mov r5, 4
lea r3, [base+smooth_weights+16*8]
.w64_loop:
mova m7, [r3]
add r3, 16
movd m2, [tlq+hq] ; left
pshufb m2, m6
punpcklbw m1, m2, m3 ; left, right
punpckhbw m2, m3
pmaddubsw m0, m1, m4 ; 127 * left - 127 * right
paddw m0, m1 ; 128 * left + 129 * right
pmaddubsw m1, m7
paddw m1, m5
paddw m0, m1
pmaddubsw m1, m2, m4
paddw m1, m2
mova m7, [r3]
add r3, 16
pmaddubsw m2, m7
paddw m2, m5
paddw m1, m2
psrlw m0, 8
psrlw m1, 8
packuswb m0, m1
mova [dstq], m0
add dstq, 16
dec r5
jg .w64_loop
lea dstq, [dstq-64+strideq]
sub hd, 1
jg .w64_loop_init
RET
;---------------------------------------------------------------------------------------
;int dav1d_ipred_smooth_ssse3(pixel *dst, const ptrdiff_t stride, const pixel *const topleft,
; const int width, const int height, const int a);
;---------------------------------------------------------------------------------------
%macro SMOOTH_2D_END 7 ; src[1-2], mul[1-2], add[1-2], m3
pmaddubsw m6, m%3, m%1
mova m0, m6
pmaddubsw m6, m%4, m%2
mova m1, m6
%ifnum %5
paddw m0, m%5
%else
paddw m0, %5
%endif
%ifnum %6
paddw m1, m%6
%else
paddw m1, %6
%endif
%ifnum %7
%else
mova m3, %7
%endif
pavgw m0, m2
pavgw m1, m3
psrlw m0, 8
psrlw m1, 8
packuswb m0, m1
%endmacro
%macro SMOOTH_OUTPUT_16B 12 ; m1, [buffer1, buffer2, buffer3, buffer4,] [w1, w2,] m3, m7, [m0, m4, m5]
mova m1, [rsp+16*%1] ; top
punpckhbw m6, m1, m0 ; top, bottom
punpcklbw m1, m0 ; top, bottom
pmaddubsw m2, m1, m5
mova [rsp+16*%2], m1
paddw m1, m3 ; 1 * top + 255 * bottom + 255
paddw m2, m1 ; 128 * top + 129 * bottom + 255
mova [rsp+16*%3], m2
pmaddubsw m2, m6, m5
mova [rsp+16*%4], m6
paddw m6, m3 ; 1 * top + 255 * bottom + 255
paddw m2, m6 ; 128 * top + 129 * bottom + 255
mova [rsp+16*%5], m2
movd m1, [tlq+hq] ; left
pshufb m1, [base+pb_3] ; topleft[-(1 + y)]
punpcklbw m1, m4 ; left, right
pmaddubsw m2, m1, m5 ; 127 * left - 127 * right
paddw m2, m1 ; 128 * left + 129 * right
mova m3, m2
pmaddubsw m0, m1, %6 ; weights_hor = &dav1d_sm_weights[width];
pmaddubsw m1, %7
paddw m2, m3, m0
paddw m3, m1
movd m1, [v_weightsq] ; weights_ver = &dav1d_sm_weights[height];
mova m7, [rsp+16*%9]
pshufb m1, m7
mova [rsp+16*%8], m3
mova m4, [rsp+16*%2]
mova m5, [rsp+16*%3]
mova m3, [rsp+16*%4]
mova m7, [rsp+16*%5]
SMOOTH_2D_END 1, 1, 4, 3, 5, 7, [rsp+16*%8]
mova [dstq], m0
movddup m3, [base+pw_255] ; recovery
mova m0, [rsp+16*%10] ; recovery
mova m4, [rsp+16*%11] ; recovery
mova m5, [rsp+16*%12] ; recovery
%endmacro
cglobal ipred_smooth, 3, 7, 8, -13*16, dst, stride, tl, w, h, v_weights
%define base r6-ipred_smooth_ssse3_table
mov wd, wm
mov hd, hm
LEA r6, ipred_smooth_ssse3_table
movd m4, [tlq+wq] ; right
pxor m2, m2
pshufb m4, m2
tzcnt wd, wd
mov r5, tlq
sub r5, hq
movsxd wq, [r6+wq*4]
movddup m5, [base+pb_127_m127]
movd m0, [r5]
pshufb m0, m2 ; bottom
movddup m3, [base+pw_255]
add wq, r6
lea v_weightsq, [base+smooth_weights+hq*2] ; weights_ver = &dav1d_sm_weights[height]
jmp wq
.w4:
mova m7, [base+ipred_v_shuf]
movd m1, [tlq+1] ; left
pshufd m1, m1, q0000
sub tlq, 4
lea r3, [strideq*3]
sub tlq, hq
punpcklbw m1, m0 ; top, bottom
pshufd m6, m7, q1100
pshufd m7, m7, q3322
pmaddubsw m2, m1, m5
paddw m3, m1 ; 1 * top + 255 * bottom + 255
paddw m2, m3 ; 128 * top + 129 * bottom + 255
mova [rsp+16*0], m1
mova [rsp+16*1], m2
movq m1, [base+smooth_weights+4*2] ; weights_hor = &dav1d_sm_weights[width];
punpcklqdq m1, m1
mova [rsp+16*2], m1
mova [rsp+16*3], m4
mova [rsp+16*4], m6
mova [rsp+16*5], m5