ref: a4ceff6ff3567164be40192aca6b117a261e080c
dir: /src/x86/film_grain.asm/
; Copyright © 2019, VideoLAN and dav1d authors
; Copyright © 2019, 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 "ext/x86/x86inc.asm"
%if ARCH_X86_64
SECTION_RODATA
pw_1024: times 16 dw 1024
pb_mask: db 0, 0x80, 0x80, 0, 0x80, 0, 0, 0x80, 0x80, 0, 0, 0x80, 0, 0x80, 0x80, 0
rnd_next_upperbit_mask: dw 0x100B, 0x2016, 0x402C, 0x8058
byte_blend: db 0, 0, 0, 0xff, 0, 0, 0, 0
pd_m65536: dd ~0xffff
pb_23_22: times 2 db 23, 22
pb_1: times 4 db 1
hmul_bits: dw 32768, 16384, 8192, 4096
round: dw 2048, 1024, 512
mul_bits: dw 256, 128, 64, 32, 16
round_vals: dw 32, 64, 128, 256, 512
max: dw 255, 240, 235
min: dw 0, 16
pb_27_17_17_27: db 27, 17, 17, 27
%macro JMP_TABLE 1-*
%xdefine %1_table %%table
%xdefine %%base %1_table
%xdefine %%prefix mangle(private_prefix %+ _%1)
%%table:
%rep %0 - 1
dd %%prefix %+ .ar%2 - %%base
%rotate 1
%endrep
%endmacro
JMP_TABLE generate_grain_y_avx2, 0, 1, 2, 3
struc FGData
.seed: resd 1
.num_y_points: resd 1
.y_points: resb 14 * 2
.chroma_scaling_from_luma: resd 1
.num_uv_points: resd 2
.uv_points: resb 2 * 10 * 2
.scaling_shift: resd 1
.ar_coeff_lag: resd 1
.ar_coeffs_y: resb 24
.ar_coeffs_uv: resb 2 * 26 ; includes padding
.ar_coeff_shift: resd 1
.grain_scale_shift: resd 1
.uv_mult: resd 2
.uv_luma_mult: resd 2
.uv_offset: resd 2
.overlap_flag: resd 1
.clip_to_restricted_range: resd 1
endstruc
cextern gaussian_sequence
SECTION .text
INIT_XMM avx2
cglobal generate_grain_y, 2, 9, 16, buf, fg_data
lea r4, [pb_mask]
%define base r4-pb_mask
movq xm1, [base+rnd_next_upperbit_mask]
movq xm4, [base+mul_bits]
movq xm7, [base+hmul_bits]
mov r2d, [fg_dataq+FGData.grain_scale_shift]
vpbroadcastw xm8, [base+round+r2*2]
mova xm5, [base+pb_mask]
vpbroadcastw xm0, [fg_dataq+FGData.seed]
vpbroadcastd xm9, [base+pd_m65536]
mov r2, -73*82
sub bufq, r2
lea r3, [gaussian_sequence]
.loop:
pand xm2, xm0, xm1
psrlw xm3, xm2, 10
por xm2, xm3 ; bits 0xf, 0x1e, 0x3c and 0x78 are set
pmullw xm2, xm4 ; bits 0x0f00 are set
pshufb xm2, xm5, xm2 ; set 15th bit for next 4 seeds
psllq xm6, xm2, 30
por xm2, xm6
psllq xm6, xm2, 15
por xm2, xm6 ; aggregate each bit into next seed's high bit
pmulhuw xm3, xm0, xm7
por xm2, xm3 ; 4 next output seeds
pshuflw xm0, xm2, q3333
psrlw xm2, 5
pmovzxwd xm3, xm2
mova xm6, xm9
vpgatherdd xm2, [r3+xm3*2], xm6
pandn xm2, xm9, xm2
packusdw xm2, xm2
pmulhrsw xm2, xm8
packsswb xm2, xm2
movd [bufq+r2], xm2
add r2, 4
jl .loop
; auto-regression code
movsxd r2, [fg_dataq+FGData.ar_coeff_lag]
movsxd r2, [base+generate_grain_y_avx2_table+r2*4]
lea r2, [r2+base+generate_grain_y_avx2_table]
jmp r2
.ar1:
DEFINE_ARGS buf, fg_data, cf3, shift, val3, min, max, x, val0
mov shiftd, [fg_dataq+FGData.ar_coeff_shift]
movsx cf3d, byte [fg_dataq+FGData.ar_coeffs_y+3]
movd xm4, [fg_dataq+FGData.ar_coeffs_y]
DEFINE_ARGS buf, h, cf3, shift, val3, min, max, x, val0
pinsrb xm4, [pb_1], 3
pmovsxbw xm4, xm4
pshufd xm5, xm4, q1111
pshufd xm4, xm4, q0000
vpbroadcastw xm3, [base+round_vals+shiftq*2-12] ; rnd
sub bufq, 82*73-(82*3+79)
mov hd, 70
mov mind, -128
mov maxd, 127
.y_loop_ar1:
mov xq, -76
movsx val3d, byte [bufq+xq-1]
.x_loop_ar1:
pmovsxbw xm0, [bufq+xq-82-1] ; top/left
pmovsxbw xm2, [bufq+xq-82+0] ; top
pmovsxbw xm1, [bufq+xq-82+1] ; top/right
punpcklwd xm0, xm2
punpcklwd xm1, xm3
pmaddwd xm0, xm4
pmaddwd xm1, xm5
paddd xm0, xm1
.x_loop_ar1_inner:
movd val0d, xm0
psrldq xm0, 4
imul val3d, cf3d
add val3d, val0d
%if WIN64
sarx val3d, val3d, shiftd
%else
sar val3d, shiftb
%endif
movsx val0d, byte [bufq+xq]
add val3d, val0d
cmp val3d, maxd
cmovg val3d, maxd
cmp val3d, mind
cmovl val3d, mind
mov byte [bufq+xq], val3b
; keep val3d in-place as left for next x iteration
inc xq
jz .x_loop_ar1_end
test xq, 3
jnz .x_loop_ar1_inner
jmp .x_loop_ar1
.x_loop_ar1_end:
add bufq, 82
dec hd
jg .y_loop_ar1
.ar0:
RET
.ar2:
DEFINE_ARGS buf, fg_data, shift
mov shiftd, [fg_dataq+FGData.ar_coeff_shift]
movd xm14, [base+hmul_bits-10+shiftq*2]
movq xm15, [base+byte_blend+1]
pmovsxbw xm8, [fg_dataq+FGData.ar_coeffs_y+0] ; cf0-7
movd xm9, [fg_dataq+FGData.ar_coeffs_y+8] ; cf8-11
pmovsxbw xm9, xm9
DEFINE_ARGS buf, h, x
pshufd xm12, xm9, q0000
pshufd xm13, xm9, q1111
pshufd xm11, xm8, q3333
pshufd xm10, xm8, q2222
pshufd xm9, xm8, q1111
pshufd xm8, xm8, q0000
sub bufq, 82*73-(82*3+79)
mov hd, 70
.y_loop_ar2:
mov xq, -76
.x_loop_ar2:
pmovsxbw xm0, [bufq+xq-82*2-2] ; y=-2,x=[-2,+5]
pmovsxbw xm1, [bufq+xq-82*1-2] ; y=-1,x=[-2,+5]
psrldq xm2, xm0, 2 ; y=-2,x=[-1,+5]
psrldq xm3, xm1, 2 ; y=-1,x=[-1,+5]
psrldq xm4, xm1, 4 ; y=-1,x=[+0,+5]
punpcklwd xm2, xm0, xm2
punpcklwd xm3, xm4
pmaddwd xm2, xm8
pmaddwd xm3, xm11
paddd xm2, xm3
psrldq xm4, xm0, 4 ; y=-2,x=[+0,+5]
psrldq xm5, xm0, 6 ; y=-2,x=[+1,+5]
psrldq xm6, xm0, 8 ; y=-2,x=[+2,+5]
punpcklwd xm4, xm5
punpcklwd xm6, xm1
psrldq xm7, xm1, 6 ; y=-1,x=[+1,+5]
psrldq xm1, xm1, 8 ; y=-1,x=[+2,+5]
punpcklwd xm7, xm1
pmaddwd xm4, xm9
pmaddwd xm6, xm10
pmaddwd xm7, xm12
paddd xm4, xm6
paddd xm2, xm7
paddd xm2, xm4
movq xm0, [bufq+xq-2] ; y=0,x=[-2,+5]
.x_loop_ar2_inner:
pmovsxbw xm1, xm0
pmaddwd xm3, xm1, xm13
paddd xm3, xm2
psrldq xm1, 4 ; y=0,x=0
psrldq xm2, 4 ; shift top to next pixel
psrad xm3, 5
packssdw xm3, xm3
pmulhrsw xm3, xm14
paddw xm3, xm1
packsswb xm3, xm3
pextrb [bufq+xq], xm3, 0
pslldq xm3, 2
pand xm3, xm15
pandn xm0, xm15, xm0
por xm0, xm3
psrldq xm0, 1
inc xq
jz .x_loop_ar2_end
test xq, 3
jnz .x_loop_ar2_inner
jmp .x_loop_ar2
.x_loop_ar2_end:
add bufq, 82
dec hd
jg .y_loop_ar2
RET
.ar3:
DEFINE_ARGS buf, fg_data, shift
%if WIN64
SUB rsp, 16*12
%assign stack_size_padded (stack_size_padded+16*12)
%assign stack_size (stack_size+16*12)
%else
ALLOC_STACK 16*12
%endif
mov shiftd, [fg_dataq+FGData.ar_coeff_shift]
movd xm14, [base+hmul_bits-10+shiftq*2]
movq xm15, [base+byte_blend]
pmovsxbw xm0, [fg_dataq+FGData.ar_coeffs_y+ 0] ; cf0-7
pmovsxbw xm1, [fg_dataq+FGData.ar_coeffs_y+ 8] ; cf8-15
pmovsxbw xm2, [fg_dataq+FGData.ar_coeffs_y+16] ; cf16-23
pshufd xm9, xm0, q1111
pshufd xm10, xm0, q2222
pshufd xm11, xm0, q3333
pshufd xm0, xm0, q0000
pshufd xm6, xm1, q1111
pshufd xm7, xm1, q2222
pshufd xm8, xm1, q3333
pshufd xm1, xm1, q0000
pshufd xm3, xm2, q1111
pshufd xm4, xm2, q2222
psrldq xm5, xm2, 10
pshufd xm2, xm2, q0000
pinsrw xm5, [base+round_vals+shiftq*2-10], 3
mova [rsp+ 0*16], xm0
mova [rsp+ 1*16], xm9
mova [rsp+ 2*16], xm10
mova [rsp+ 3*16], xm11
mova [rsp+ 4*16], xm1
mova [rsp+ 5*16], xm6
mova [rsp+ 6*16], xm7
mova [rsp+ 7*16], xm8
mova [rsp+ 8*16], xm2
mova [rsp+ 9*16], xm3
mova [rsp+10*16], xm4
mova [rsp+11*16], xm5
pxor xm13, xm13
DEFINE_ARGS buf, h, x
sub bufq, 82*73-(82*3+79)
mov hd, 70
.y_loop_ar3:
mov xq, -76
.x_loop_ar3:
movu xm0, [bufq+xq-82*3-3] ; y=-3,x=[-3,+12]
movu xm1, [bufq+xq-82*2-3] ; y=-2,x=[-3,+12]
movu xm2, [bufq+xq-82*1-3] ; y=-1,x=[-3,+12]
pxor xm3, xm3
pcmpgtb xm6, xm3, xm2
pcmpgtb xm5, xm3, xm1
pcmpgtb xm4, xm3, xm0
punpckhbw xm3, xm0, xm4
punpcklbw xm0, xm4
punpckhbw xm4, xm1, xm5
punpcklbw xm1, xm5
punpckhbw xm5, xm2, xm6
punpcklbw xm2, xm6
psrldq xm6, xm0, 2
psrldq xm7, xm0, 4
psrldq xm8, xm0, 6
psrldq xm9, xm0, 8
palignr xm10, xm3, xm0, 10
palignr xm11, xm3, xm0, 12
punpcklwd xm0, xm6
punpcklwd xm7, xm8
punpcklwd xm9, xm10
punpcklwd xm11, xm1
pmaddwd xm0, [rsp+ 0*16]
pmaddwd xm7, [rsp+ 1*16]
pmaddwd xm9, [rsp+ 2*16]
pmaddwd xm11, [rsp+ 3*16]
paddd xm0, xm7
paddd xm9, xm11
paddd xm0, xm9
psrldq xm6, xm1, 2
psrldq xm7, xm1, 4
psrldq xm8, xm1, 6
psrldq xm9, xm1, 8
palignr xm10, xm4, xm1, 10
palignr xm11, xm4, xm1, 12
psrldq xm12, xm2, 2
punpcklwd xm6, xm7
punpcklwd xm8, xm9
punpcklwd xm10, xm11
punpcklwd xm12, xm2, xm12
pmaddwd xm6, [rsp+ 4*16]
pmaddwd xm8, [rsp+ 5*16]
pmaddwd xm10, [rsp+ 6*16]
pmaddwd xm12, [rsp+ 7*16]
paddd xm6, xm8
paddd xm10, xm12
paddd xm6, xm10
paddd xm0, xm6
psrldq xm6, xm2, 4
psrldq xm7, xm2, 6
psrldq xm8, xm2, 8
palignr xm9, xm5, xm2, 10
palignr xm5, xm5, xm2, 12
punpcklwd xm6, xm7
punpcklwd xm8, xm9
punpcklwd xm5, xm13
pmaddwd xm6, [rsp+ 8*16]
pmaddwd xm8, [rsp+ 9*16]
pmaddwd xm5, [rsp+10*16]
paddd xm0, xm6
paddd xm8, xm5
paddd xm0, xm8
movq xm1, [bufq+xq-3] ; y=0,x=[-3,+4]
.x_loop_ar3_inner:
pmovsxbw xm2, xm1
pmaddwd xm2, [rsp+16*11]
pshufd xm3, xm2, q1111
paddd xm2, xm3 ; left+cur
paddd xm2, xm0 ; add top
psrldq xm0, 4
psrad xm2, 5
packssdw xm2, xm2
pmulhrsw xm2, xm14
packsswb xm2, xm2
pextrb [bufq+xq], xm2, 0
pslldq xm2, 3
pand xm2, xm15
pandn xm1, xm15, xm1
por xm1, xm2
psrldq xm1, 1
inc xq
jz .x_loop_ar3_end
test xq, 3
jnz .x_loop_ar3_inner
jmp .x_loop_ar3
.x_loop_ar3_end:
add bufq, 82
dec hd
jg .y_loop_ar3
RET
INIT_YMM avx2
cglobal fgy_32x32xn, 6, 13, 16, dst, src, stride, fg_data, w, scaling, grain_lut
pcmpeqw m10, m10
psrld m10, 24
mov r7d, [fg_dataq+FGData.scaling_shift]
lea r8, [pb_mask]
%define base r8-pb_mask
vpbroadcastw m11, [base+mul_bits+r7*2-14]
mov r7d, [fg_dataq+FGData.clip_to_restricted_range]
vpbroadcastw m12, [base+max+r7*4]
vpbroadcastw m13, [base+min+r7*2]
DEFINE_ARGS dst, src, stride, fg_data, w, scaling, grain_lut, unused, sby, see, overlap
mov overlapd, [fg_dataq+FGData.overlap_flag]
movifnidn sbyd, sbym
test sbyd, sbyd
setnz r7b
test r7b, overlapb
jnz .vertical_overlap
imul seed, sbyd, (173 << 24) | 37
add seed, (105 << 24) | 178
rol seed, 8
movzx seed, seew
xor seed, [fg_dataq+FGData.seed]
DEFINE_ARGS dst, src, stride, src_bak, w, scaling, grain_lut, \
unused1, unused2, see, overlap
lea src_bakq, [srcq+wq]
neg wq
sub dstq, srcq
.loop_x:
mov r6d, seed
or seed, 0xEFF4
shr r6d, 1
test seeb, seeh
lea seed, [r6+0x8000]
cmovp seed, r6d ; updated seed
DEFINE_ARGS dst, src, stride, src_bak, w, scaling, grain_lut, \
offx, offy, see, overlap
mov offxd, seed
rorx offyd, seed, 8
shr offxd, 12
and offyd, 0xf
imul offyd, 164
lea offyq, [offyq+offxq*2+747] ; offy*stride+offx
DEFINE_ARGS dst, src, stride, src_bak, w, scaling, grain_lut, \
h, offxy, see, overlap
mov hd, hm
mov grain_lutq, grain_lutmp
.loop_y:
; src
mova m0, [srcq]
pxor m2, m2
punpckhbw m1, m0, m2
punpcklbw m0, m2 ; m0-1: src as word
punpckhwd m5, m0, m2
punpcklwd m4, m0, m2
punpckhwd m7, m1, m2
punpcklwd m6, m1, m2 ; m4-7: src as dword
; scaling[src]
pcmpeqw m3, m3
pcmpeqw m9, m9
vpgatherdd m8, [scalingq+m4], m3
vpgatherdd m4, [scalingq+m5], m9
pcmpeqw m3, m3
pcmpeqw m9, m9
vpgatherdd m5, [scalingq+m6], m3
vpgatherdd m6, [scalingq+m7], m9
pand m8, m10
pand m4, m10
pand m5, m10
pand m6, m10
packusdw m8, m4
packusdw m5, m6
; grain = grain_lut[offy+y][offx+x]
movu m3, [grain_lutq+offxyq]
pcmpgtb m7, m2, m3
punpcklbw m2, m3, m7
punpckhbw m3, m7
; noise = round2(scaling[src] * grain, scaling_shift)
pmullw m2, m8
pmullw m3, m5
pmulhrsw m2, m11
pmulhrsw m3, m11
; dst = clip_pixel(src, noise)
paddw m0, m2
paddw m1, m3
pmaxsw m0, m13
pmaxsw m1, m13
pminsw m0, m12
pminsw m1, m12
packuswb m0, m1
mova [dstq+srcq], m0
add srcq, strideq
add grain_lutq, 82
dec hd
jg .loop_y
add wq, 32
jge .end
lea srcq, [src_bakq+wq]
test overlapd, overlapd
jz .loop_x
; r8m = sbym
movd xm15, [pb_27_17_17_27]
cmp dword r8m, 0
jne .loop_x_hv_overlap
; horizontal overlap (without vertical overlap)
movd xm14, [pw_1024]
.loop_x_h_overlap:
mov r6d, seed
or seed, 0xEFF4
shr r6d, 1
test seeb, seeh
lea seed, [r6+0x8000]
cmovp seed, r6d ; updated seed
DEFINE_ARGS dst, src, stride, src_bak, w, scaling, grain_lut, \
offx, offy, see, left_offxy
lea left_offxyd, [offyd+32] ; previous column's offy*stride+offx
mov offxd, seed
rorx offyd, seed, 8
shr offxd, 12
and offyd, 0xf
imul offyd, 164
lea offyq, [offyq+offxq*2+747] ; offy*stride+offx
DEFINE_ARGS dst, src, stride, src_bak, w, scaling, grain_lut, \
h, offxy, see, left_offxy
mov hd, hm
mov grain_lutq, grain_lutmp
.loop_y_h_overlap:
; src
mova m0, [srcq]
pxor m2, m2
punpckhbw m1, m0, m2
punpcklbw m0, m2 ; m0-1: src as word
punpckhwd m5, m0, m2
punpcklwd m4, m0, m2
punpckhwd m7, m1, m2
punpcklwd m6, m1, m2 ; m4-7: src as dword
; scaling[src]
pcmpeqw m3, m3
pcmpeqw m9, m9
vpgatherdd m8, [scalingq+m4], m3
vpgatherdd m4, [scalingq+m5], m9
pcmpeqw m3, m3
pcmpeqw m9, m9
vpgatherdd m5, [scalingq+m6], m3
vpgatherdd m6, [scalingq+m7], m9
pand m8, m10
pand m4, m10
pand m5, m10
pand m6, m10
packusdw m8, m4
packusdw m5, m6
; grain = grain_lut[offy+y][offx+x]
movu m3, [grain_lutq+offxyq]
movd xm4, [grain_lutq+left_offxyq]
punpcklbw xm4, xm3
pmaddubsw xm4, xm15, xm4
pmulhrsw xm4, xm14
packsswb xm4, xm4
vpblendw xm4, xm3, 11111110b
vpblendd m3, m4, 00001111b
pcmpgtb m7, m2, m3
punpcklbw m2, m3, m7
punpckhbw m3, m7
; noise = round2(scaling[src] * grain, scaling_shift)
pmullw m2, m8
pmullw m3, m5
pmulhrsw m2, m11
pmulhrsw m3, m11
; dst = clip_pixel(src, noise)
paddw m0, m2
paddw m1, m3
pmaxsw m0, m13
pmaxsw m1, m13
pminsw m0, m12
pminsw m1, m12
packuswb m0, m1
mova [dstq+srcq], m0
add srcq, strideq
add grain_lutq, 82
dec hd
jg .loop_y_h_overlap
add wq, 32
jge .end
lea srcq, [src_bakq+wq]
; r8m = sbym
cmp dword r8m, 0
jne .loop_x_hv_overlap
jmp .loop_x_h_overlap
.end:
RET
.vertical_overlap:
DEFINE_ARGS dst, src, stride, fg_data, w, scaling, grain_lut, unused, sby, see, overlap
movzx sbyd, sbyb
imul seed, [fg_dataq+FGData.seed], 0x00010001
imul r7d, sbyd, 173 * 0x00010001
imul sbyd, 37 * 0x01000100
add r7d, (105 << 16) | 188
add sbyd, (178 << 24) | (141 << 8)
and r7d, 0x00ff00ff
and sbyd, 0xff00ff00
xor seed, r7d
xor seed, sbyd ; (cur_seed << 16) | top_seed
DEFINE_ARGS dst, src, stride, src_bak, w, scaling, grain_lut, \
unused1, unused2, see, overlap
lea src_bakq, [srcq+wq]
neg wq
sub dstq, srcq
vpbroadcastd m14, [pw_1024]
.loop_x_v_overlap:
vpbroadcastw m15, [pb_27_17_17_27]
; we assume from the block above that bits 8-15 of r7d are zero'ed
mov r6d, seed
or seed, 0xeff4eff4
test seeb, seeh
setp r7b ; parity of top_seed
shr seed, 16
shl r7d, 16
test seeb, seeh
setp r7b ; parity of cur_seed
or r6d, 0x00010001
xor r7d, r6d
rorx seed, r7d, 1 ; updated (cur_seed << 16) | top_seed
DEFINE_ARGS dst, src, stride, src_bak, w, scaling, grain_lut, \
offx, offy, see, overlap, top_offxy
rorx offyd, seed, 8
rorx offxd, seed, 12
and offyd, 0xf000f
and offxd, 0xf000f
imul offyd, 164
; offxy=offy*stride+offx, (cur_offxy << 16) | top_offxy
lea offyq, [offyq+offxq*2+0x10001*747+32*82]
DEFINE_ARGS dst, src, stride, src_bak, w, scaling, grain_lut, \
h, offxy, see, overlap, top_offxy
movzx top_offxyd, offxyw
shr offxyd, 16
mov hd, hm
mov grain_lutq, grain_lutmp
.loop_y_v_overlap:
; src
mova m0, [srcq]
pxor m2, m2
punpckhbw m1, m0, m2
punpcklbw m0, m2 ; m0-1: src as word
punpckhwd m5, m0, m2
punpcklwd m4, m0, m2
punpckhwd m7, m1, m2
punpcklwd m6, m1, m2 ; m4-7: src as dword
; scaling[src]
pcmpeqw m3, m3
pcmpeqw m9, m9
vpgatherdd m8, [scalingq+m4], m3
vpgatherdd m4, [scalingq+m5], m9
pcmpeqw m3, m3
pcmpeqw m9, m9
vpgatherdd m5, [scalingq+m6], m3
vpgatherdd m6, [scalingq+m7], m9
pand m8, m10
pand m4, m10
pand m5, m10
pand m6, m10
packusdw m8, m4
packusdw m5, m6
; grain = grain_lut[offy+y][offx+x]
movu m3, [grain_lutq+offxyq]
movu m4, [grain_lutq+top_offxyq]
punpckhbw m6, m4, m3
punpcklbw m4, m3
pmaddubsw m6, m15, m6
pmaddubsw m4, m15, m4
pmulhrsw m6, m14
pmulhrsw m4, m14
packsswb m3, m4, m6
pcmpgtb m7, m2, m3
punpcklbw m2, m3, m7
punpckhbw m3, m7
; noise = round2(scaling[src] * grain, scaling_shift)
pmullw m2, m8
pmullw m3, m5
pmulhrsw m2, m11
pmulhrsw m3, m11
; dst = clip_pixel(src, noise)
paddw m0, m2
paddw m1, m3
pmaxsw m0, m13
pmaxsw m1, m13
pminsw m0, m12
pminsw m1, m12
packuswb m0, m1
mova [dstq+srcq], m0
vpbroadcastw m15, [pb_27_17_17_27+2] ; swap weights for second v-overlap line
add srcq, strideq
add grain_lutq, 82
dec hw
jz .end_y_v_overlap
; 2 lines get vertical overlap, then fall back to non-overlap code for
; remaining (up to) 30 lines
xor hd, 0x10000
test hd, 0x10000
jnz .loop_y_v_overlap
jmp .loop_y
.end_y_v_overlap:
add wq, 32
jge .end_hv
lea srcq, [src_bakq+wq]
; since fg_dataq.overlap is guaranteed to be set, we never jump
; back to .loop_x_v_overlap, and instead always fall-through to
; h+v overlap
movd xm15, [pb_27_17_17_27]
.loop_x_hv_overlap:
vpbroadcastw m8, [pb_27_17_17_27]
; we assume from the block above that bits 8-15 of r7d are zero'ed
mov r6d, seed
or seed, 0xeff4eff4
test seeb, seeh
setp r7b ; parity of top_seed
shr seed, 16
shl r7d, 16
test seeb, seeh
setp r7b ; parity of cur_seed
or r6d, 0x00010001
xor r7d, r6d
rorx seed, r7d, 1 ; updated (cur_seed << 16) | top_seed
DEFINE_ARGS dst, src, stride, src_bak, w, scaling, grain_lut, \
offx, offy, see, left_offxy, top_offxy, topleft_offxy
lea topleft_offxyq, [top_offxyq+32]
lea left_offxyq, [offyq+32]
rorx offyd, seed, 8
rorx offxd, seed, 12
and offyd, 0xf000f
and offxd, 0xf000f
imul offyd, 164
; offxy=offy*stride+offx, (cur_offxy << 16) | top_offxy
lea offyq, [offyq+offxq*2+0x10001*747+32*82]
DEFINE_ARGS dst, src, stride, src_bak, w, scaling, grain_lut, \
h, offxy, see, left_offxy, top_offxy, topleft_offxy
movzx top_offxyd, offxyw
shr offxyd, 16
mov hd, hm
mov grain_lutq, grain_lutmp
.loop_y_hv_overlap:
; src
mova m0, [srcq]
pxor m2, m2
punpckhbw m1, m0, m2
punpcklbw m0, m2 ; m0-1: src as word
punpckhwd m5, m0, m2
punpcklwd m4, m0, m2
punpckhwd m7, m1, m2
punpcklwd m6, m1, m2 ; m4-7: src as dword
; scaling[src]
pcmpeqw m3, m3
; FIXME it would be nice to have another register here to do 2 vpgatherdd's in parallel
vpgatherdd m9, [scalingq+m4], m3
pcmpeqw m3, m3
vpgatherdd m4, [scalingq+m5], m3
pcmpeqw m3, m3
vpgatherdd m5, [scalingq+m6], m3
pcmpeqw m3, m3
vpgatherdd m6, [scalingq+m7], m3
pand m9, m10
pand m4, m10
pand m5, m10
pand m6, m10
packusdw m9, m4
packusdw m5, m6
; grain = grain_lut[offy+y][offx+x]
movu m3, [grain_lutq+offxyq]
movu m6, [grain_lutq+top_offxyq]
movd xm4, [grain_lutq+left_offxyq]
movd xm7, [grain_lutq+topleft_offxyq]
; do h interpolation first (so top | top/left -> top, left | cur -> cur)
punpcklbw xm4, xm3
punpcklbw xm7, xm6
pmaddubsw xm4, xm15, xm4
pmaddubsw xm7, xm15, xm7
pmulhrsw xm4, xm14
pmulhrsw xm7, xm14
packsswb xm4, xm4
packsswb xm7, xm7
vpblendw xm4, xm3, 11111110b
vpblendw xm7, xm6, 11111110b
vpblendd m3, m4, 00001111b
vpblendd m6, m7, 00001111b
; followed by v interpolation (top | cur -> cur)
punpckhbw m7, m6, m3
punpcklbw m6, m3
pmaddubsw m7, m8, m7
pmaddubsw m6, m8, m6
pmulhrsw m7, m14
pmulhrsw m6, m14
packsswb m3, m6, m7
pcmpgtb m7, m2, m3
punpcklbw m2, m3, m7
punpckhbw m3, m7
; noise = round2(scaling[src] * grain, scaling_shift)
pmullw m2, m9
pmullw m3, m5
pmulhrsw m2, m11
pmulhrsw m3, m11
; dst = clip_pixel(src, noise)
paddw m0, m2
paddw m1, m3
pmaxsw m0, m13
pmaxsw m1, m13
pminsw m0, m12
pminsw m1, m12
packuswb m0, m1
mova [dstq+srcq], m0
vpbroadcastw m8, [pb_27_17_17_27+2] ; swap weights for second v-overlap line
add srcq, strideq
add grain_lutq, 82
dec hw
jz .end_y_hv_overlap
; 2 lines get vertical overlap, then fall back to non-overlap code for
; remaining (up to) 30 lines
xor hd, 0x10000
test hd, 0x10000
jnz .loop_y_hv_overlap
jmp .loop_y_h_overlap
.end_y_hv_overlap:
add wq, 32
lea srcq, [src_bakq+wq]
jl .loop_x_hv_overlap
.end_hv:
RET
cglobal fguv_32x32xn_i420, 6, 15, 16, dst, src, stride, fg_data, w, scaling, \
grain_lut, h, sby, luma, lstride, uv_pl, is_id
pcmpeqw m10, m10
psrld m10, 24
mov r7d, [fg_dataq+FGData.scaling_shift]
lea r8, [pb_mask]
%define base r8-pb_mask
vpbroadcastw m11, [base+mul_bits+r7*2-14]
mov r7d, [fg_dataq+FGData.clip_to_restricted_range]
mov r9d, dword is_idm
vpbroadcastw m13, [base+min+r7*2]
shlx r7d, r7d, r9d
vpbroadcastw m12, [base+max+r7*2]
cmp byte [fg_dataq+FGData.chroma_scaling_from_luma], 0
jne .csfl
%macro FGUV_32x32xN_LOOP 1 ; not-csfl
DEFINE_ARGS dst, src, stride, fg_data, w, scaling, grain_lut, unused, sby, see, overlap
%if %1
mov r7d, dword r11m
vpbroadcastb m0, [fg_dataq+FGData.uv_mult+r7*4]
vpbroadcastb m1, [fg_dataq+FGData.uv_luma_mult+r7*4]
punpcklbw m14, m1, m0
vpbroadcastw m15, [fg_dataq+FGData.uv_offset+r7*4]
%else
vpbroadcastd m14, [pw_1024]
vpbroadcastd m15, [pb_23_22]
%endif
mov overlapd, [fg_dataq+FGData.overlap_flag]
movifnidn sbyd, sbym
test sbyd, sbyd
setnz r7b
test r7b, overlapb
jnz %%vertical_overlap
imul seed, sbyd, (173 << 24) | 37
add seed, (105 << 24) | 178
rol seed, 8
movzx seed, seew
xor seed, [fg_dataq+FGData.seed]
DEFINE_ARGS dst, src, stride, luma, w, scaling, grain_lut, \
unused2, unused3, see, overlap, unused4, unused5, lstride
mov lumaq, r9mp
lea r12, [srcq+wq]
lea r13, [dstq+wq]
lea r14, [lumaq+wq*2]
mov r11mp, r12
mov r12mp, r13
mov lstrideq, r10mp
neg wq
%%loop_x:
mov r6d, seed
or seed, 0xEFF4
shr r6d, 1
test seeb, seeh
lea seed, [r6+0x8000]
cmovp seed, r6d ; updated seed
DEFINE_ARGS dst, src, stride, luma, w, scaling, grain_lut, \
offx, offy, see, overlap, unused1, unused2, lstride
mov offxd, seed
rorx offyd, seed, 8
shr offxd, 12
and offyd, 0xf
imul offyd, 82
lea offyq, [offyq+offxq+498] ; offy*stride+offx
DEFINE_ARGS dst, src, stride, luma, w, scaling, grain_lut, \
h, offxy, see, overlap, unused1, unused2, lstride
mov hd, hm
mov grain_lutq, grain_lutmp
%%loop_y:
; src
mova xm4, [lumaq+lstrideq*0+ 0]
mova xm6, [lumaq+lstrideq*0+16]
mova xm0, [srcq]
vpbroadcastd m7, [pb_1]
vinserti128 m4, [lumaq+lstrideq*2 +0], 1
vinserti128 m6, [lumaq+lstrideq*2+16], 1
vinserti128 m0, [srcq+strideq], 1
pxor m2, m2
pmaddubsw m4, m7
pmaddubsw m6, m7
pavgw m4, m2
pavgw m6, m2
%if %1
packuswb m4, m6 ; luma
punpckhbw m6, m4, m0
punpcklbw m4, m0 ; { luma, chroma }
pmaddubsw m6, m14
pmaddubsw m4, m14
psraw m6, 6
psraw m4, 6
paddw m6, m15
paddw m4, m15
packuswb m4, m6 ; pack+unpack = clip
punpckhbw m6, m4, m2
punpcklbw m4, m2
%endif
punpckhwd m5, m4, m2
punpcklwd m4, m2
punpckhwd m7, m6, m2
punpcklwd m6, m2 ; m4-7: luma_src as dword
; scaling[luma_src]
pcmpeqw m3, m3
pcmpeqw m9, m9
vpgatherdd m8, [scalingq+m4], m3
vpgatherdd m4, [scalingq+m5], m9
pcmpeqw m3, m3
pcmpeqw m9, m9
vpgatherdd m5, [scalingq+m6], m3
vpgatherdd m6, [scalingq+m7], m9
pand m8, m10
pand m4, m10
pand m5, m10
pand m6, m10
packusdw m8, m4
packusdw m5, m6
; unpack chroma_source
punpckhbw m1, m0, m2
punpcklbw m0, m2 ; m0-1: src as word
; grain = grain_lut[offy+y][offx+x]
movu xm3, [grain_lutq+offxyq+ 0]
vinserti128 m3, [grain_lutq+offxyq+82], 1
pcmpgtb m7, m2, m3
punpcklbw m2, m3, m7
punpckhbw m3, m7
; noise = round2(scaling[luma_src] * grain, scaling_shift)
pmullw m2, m8
pmullw m3, m5
pmulhrsw m2, m11
pmulhrsw m3, m11
; dst = clip_pixel(src, noise)
paddw m0, m2
paddw m1, m3
pmaxsw m0, m13
pmaxsw m1, m13
pminsw m0, m12
pminsw m1, m12
packuswb m0, m1
mova [dstq], xm0
vextracti128 [dstq+strideq], m0, 1
lea srcq, [srcq+strideq*2]
lea dstq, [dstq+strideq*2]
lea lumaq, [lumaq+lstrideq*4]
add grain_lutq, 82*2
sub hb, 2
jg %%loop_y
add wq, 16
jge %%end
mov srcq, r11mp
mov dstq, r12mp
lea lumaq, [r14+wq*2]
add srcq, wq
add dstq, wq
test overlapd, overlapd
jz %%loop_x
; r8m = sbym
cmp dword r8m, 0
jne %%loop_x_hv_overlap
; horizontal overlap (without vertical overlap)
%%loop_x_h_overlap:
mov r6d, seed
or seed, 0xEFF4
shr r6d, 1
test seeb, seeh
lea seed, [r6+0x8000]
cmovp seed, r6d ; updated seed
DEFINE_ARGS dst, src, stride, luma, w, scaling, grain_lut, \
offx, offy, see, left_offxy, unused1, unused2, lstride
lea left_offxyd, [offyd+16] ; previous column's offy*stride+offx
mov offxd, seed
rorx offyd, seed, 8
shr offxd, 12
and offyd, 0xf
imul offyd, 82
lea offyq, [offyq+offxq+498] ; offy*stride+offx
DEFINE_ARGS dst, src, stride, luma, w, scaling, grain_lut, \
h, offxy, see, left_offxy, unused1, unused2, lstride
mov hd, hm
mov grain_lutq, grain_lutmp
%%loop_y_h_overlap:
; src
mova xm4, [lumaq+lstrideq*0+ 0]
mova xm6, [lumaq+lstrideq*0+16]
mova xm0, [srcq]
vpbroadcastd m7, [pb_1]
vinserti128 m4, [lumaq+lstrideq*2 +0], 1
vinserti128 m6, [lumaq+lstrideq*2+16], 1
vinserti128 m0, [srcq+strideq], 1
pxor m2, m2
pmaddubsw m4, m7
pmaddubsw m6, m7
pavgw m4, m2
pavgw m6, m2
%if %1
packuswb m4, m6 ; luma
punpckhbw m6, m4, m0
punpcklbw m4, m0 ; { luma, chroma }
pmaddubsw m6, m14
pmaddubsw m4, m14
psraw m6, 6
psraw m4, 6
paddw m6, m15
paddw m4, m15
packuswb m4, m6 ; pack+unpack = clip
punpckhbw m6, m4, m2
punpcklbw m4, m2
%endif
punpckhwd m5, m4, m2
punpcklwd m4, m2
punpckhwd m7, m6, m2
punpcklwd m6, m2 ; m4-7: luma_src as dword
; scaling[luma_src]
pcmpeqw m3, m3
pcmpeqw m9, m9
vpgatherdd m8, [scalingq+m4], m3
vpgatherdd m4, [scalingq+m5], m9
pcmpeqw m3, m3
pcmpeqw m9, m9
vpgatherdd m5, [scalingq+m6], m3
vpgatherdd m6, [scalingq+m7], m9
pand m8, m10
pand m4, m10
pand m5, m10
pand m6, m10
packusdw m8, m4
packusdw m5, m6
; unpack chroma_source
punpckhbw m1, m0, m2
punpcklbw m0, m2 ; m0-1: src as word
; grain = grain_lut[offy+y][offx+x]
%if %1
vpbroadcastd m6, [pb_23_22] ; FIXME
%endif
movu xm3, [grain_lutq+offxyq+ 0]
movd xm4, [grain_lutq+left_offxyq+ 0]
vinserti128 m3, [grain_lutq+offxyq+82], 1
vinserti128 m4, [grain_lutq+left_offxyq+82], 1
punpcklbw m4, m3
%if %1
pmaddubsw m4, m6, m4
pmulhrsw m4, [pw_1024]
%else
pmaddubsw m4, m15, m4
pmulhrsw m4, m14
%endif
packsswb m4, m4
pcmpeqw m6, m6 ; FIXME
psrldq m6, 15 ; FIXME
vpblendvb m3, m3, m4, m6
pcmpgtb m7, m2, m3
punpcklbw m2, m3, m7
punpckhbw m3, m7
; noise = round2(scaling[luma_src] * grain, scaling_shift)
pmullw m2, m8
pmullw m3, m5
pmulhrsw m2, m11
pmulhrsw m3, m11
; dst = clip_pixel(src, noise)
paddw m0, m2
paddw m1, m3
pmaxsw m0, m13
pmaxsw m1, m13
pminsw m0, m12
pminsw m1, m12
packuswb m0, m1
mova [dstq], xm0
vextracti128 [dstq+strideq], m0, 1
lea srcq, [srcq+strideq*2]
lea dstq, [dstq+strideq*2]
lea lumaq, [lumaq+lstrideq*4]
add grain_lutq, 82*2
sub hb, 2
jg %%loop_y_h_overlap
add wq, 16
jge %%end
mov srcq, r11mp
mov dstq, r12mp
lea lumaq, [r14+wq*2]
add srcq, wq
add dstq, wq
; r8m = sbym
cmp dword r8m, 0
jne %%loop_x_hv_overlap
jmp %%loop_x_h_overlap
%%end:
RET
%%vertical_overlap:
DEFINE_ARGS dst, src, stride, fg_data, w, scaling, grain_lut, unused, \
sby, see, overlap, unused1, unused2, lstride
movzx sbyd, sbyb
imul seed, [fg_dataq+FGData.seed], 0x00010001
imul r7d, sbyd, 173 * 0x00010001
imul sbyd, 37 * 0x01000100
add r7d, (105 << 16) | 188
add sbyd, (178 << 24) | (141 << 8)
and r7d, 0x00ff00ff
and sbyd, 0xff00ff00
xor seed, r7d
xor seed, sbyd ; (cur_seed << 16) | top_seed
DEFINE_ARGS dst, src, stride, luma, w, scaling, grain_lut, \
unused1, unused2, see, overlap, unused3, unused4, lstride
mov lumaq, r9mp
lea r12, [srcq+wq]
lea r13, [dstq+wq]
lea r14, [lumaq+wq*2]
mov r11mp, r12
mov r12mp, r13
mov lstrideq, r10mp
neg wq
%%loop_x_v_overlap:
; we assume from the block above that bits 8-15 of r7d are zero'ed
mov r6d, seed
or seed, 0xeff4eff4
test seeb, seeh
setp r7b ; parity of top_seed
shr seed, 16
shl r7d, 16
test seeb, seeh
setp r7b ; parity of cur_seed
or r6d, 0x00010001
xor r7d, r6d
rorx seed, r7d, 1 ; updated (cur_seed << 16) | top_seed
DEFINE_ARGS dst, src, stride, luma, w, scaling, grain_lut, \
offx, offy, see, overlap, top_offxy, unused, lstride
rorx offyd, seed, 8
rorx offxd, seed, 12
and offyd, 0xf000f
and offxd, 0xf000f
imul offyd, 82
; offxy=offy*stride+offx, (cur_offxy << 16) | top_offxy
lea offyq, [offyq+offxq+0x10001*498+16*82]
DEFINE_ARGS dst, src, stride, luma, w, scaling, grain_lut, \
h, offxy, see, overlap, top_offxy, unused, lstride
movzx top_offxyd, offxyw
shr offxyd, 16
mov hd, hm
mov grain_lutq, grain_lutmp
%%loop_y_v_overlap:
; src
mova xm4, [lumaq+lstrideq*0+ 0]
mova xm6, [lumaq+lstrideq*0+16]
mova xm0, [srcq]
vpbroadcastd m7, [pb_1]
vinserti128 m4, [lumaq+lstrideq*2 +0], 1
vinserti128 m6, [lumaq+lstrideq*2+16], 1
vinserti128 m0, [srcq+strideq], 1
pxor m2, m2
pmaddubsw m4, m7
pmaddubsw m6, m7
pavgw m4, m2
pavgw m6, m2
%if %1
packuswb m4, m6 ; luma
punpckhbw m6, m4, m0
punpcklbw m4, m0 ; { luma, chroma }
pmaddubsw m6, m14
pmaddubsw m4, m14
psraw m6, 6
psraw m4, 6
paddw m6, m15
paddw m4, m15
packuswb m4, m6 ; pack+unpack = clip
punpckhbw m6, m4, m2
punpcklbw m4, m2
%endif
punpckhwd m5, m4, m2
punpcklwd m4, m2
punpckhwd m7, m6, m2
punpcklwd m6, m2 ; m4-7: luma_src as dword
; scaling[luma_src]
pcmpeqw m3, m3
pcmpeqw m9, m9
vpgatherdd m8, [scalingq+m4], m3
vpgatherdd m4, [scalingq+m5], m9
pcmpeqw m3, m3
pcmpeqw m9, m9
vpgatherdd m5, [scalingq+m6], m3
vpgatherdd m6, [scalingq+m7], m9
pand m8, m10
pand m4, m10
pand m5, m10
pand m6, m10
packusdw m8, m4
packusdw m5, m6
; unpack chroma_source
punpckhbw m1, m0, m2
punpcklbw m0, m2 ; m0-1: src as word
; grain = grain_lut[offy+y][offx+x]
%if %1
vpbroadcastd m6, [pb_23_22]
%endif
movq xm3, [grain_lutq+offxyq]
movq xm4, [grain_lutq+top_offxyq]
vinserti128 m3, [grain_lutq+offxyq+8], 1
vinserti128 m4, [grain_lutq+top_offxyq+8], 1
punpcklbw m4, m3
%if %1
pmaddubsw m4, m6, m4
pmulhrsw m4, [pw_1024]
%else
pmaddubsw m4, m15, m4
pmulhrsw m4, m14
%endif
packsswb m4, m4
vpermq m4, m4, q3120
; only interpolate first line, insert second line unmodified
vinserti128 m3, m4, [grain_lutq+offxyq+82], 1
pcmpgtb m7, m2, m3
punpcklbw m2, m3, m7
punpckhbw m3, m7
; noise = round2(scaling[luma_src] * grain, scaling_shift)
pmullw m2, m8
pmullw m3, m5
pmulhrsw m2, m11
pmulhrsw m3, m11
; dst = clip_pixel(src, noise)
paddw m0, m2
paddw m1, m3
pmaxsw m0, m13
pmaxsw m1, m13
pminsw m0, m12
pminsw m1, m12
packuswb m0, m1
mova [dstq], xm0
vextracti128 [dstq+strideq], m0, 1
sub hb, 2
jl %%end_y_v_overlap
lea srcq, [srcq+strideq*2]
lea dstq, [dstq+strideq*2]
lea lumaq, [lumaq+lstrideq*4]
add grain_lutq, 82*2
jmp %%loop_y
%%end_y_v_overlap:
add wq, 16
jge %%end_hv
mov srcq, r11mp
mov dstq, r12mp
lea lumaq, [r14+wq*2]
add srcq, wq
add dstq, wq
; since fg_dataq.overlap is guaranteed to be set, we never jump
; back to .loop_x_v_overlap, and instead always fall-through to
; h+v overlap
%%loop_x_hv_overlap:
; we assume from the block above that bits 8-15 of r7d are zero'ed
mov r6d, seed
or seed, 0xeff4eff4
test seeb, seeh
setp r7b ; parity of top_seed
shr seed, 16
shl r7d, 16
test seeb, seeh
setp r7b ; parity of cur_seed
or r6d, 0x00010001
xor r7d, r6d
rorx seed, r7d, 1 ; updated (cur_seed << 16) | top_seed
DEFINE_ARGS dst, src, stride, luma, w, scaling, grain_lut, \
offx, offy, see, left_offxy, top_offxy, topleft_offxy, lstride
lea topleft_offxyq, [top_offxyq+16]
lea left_offxyq, [offyq+16]
rorx offyd, seed, 8
rorx offxd, seed, 12
and offyd, 0xf000f
and offxd, 0xf000f
imul offyd, 82
; offxy=offy*stride+offx, (cur_offxy << 16) | top_offxy
lea offyq, [offyq+offxq+0x10001*498+16*82]
DEFINE_ARGS dst, src, stride, luma, w, scaling, grain_lut, \
h, offxy, see, left_offxy, top_offxy, topleft_offxy, lstride
movzx top_offxyd, offxyw
shr offxyd, 16
mov hd, hm
mov grain_lutq, grain_lutmp
%%loop_y_hv_overlap:
; src
mova xm4, [lumaq+lstrideq*0+ 0]
mova xm6, [lumaq+lstrideq*0+16]
mova xm0, [srcq]
vpbroadcastd m7, [pb_1]
vinserti128 m4, [lumaq+lstrideq*2 +0], 1
vinserti128 m6, [lumaq+lstrideq*2+16], 1
vinserti128 m0, [srcq+strideq], 1
pxor m2, m2
pmaddubsw m4, m7
pmaddubsw m6, m7
pavgw m4, m2
pavgw m6, m2
%if %1
packuswb m4, m6 ; luma
punpckhbw m6, m4, m0
punpcklbw m4, m0 ; { luma, chroma }
pmaddubsw m6, m14
pmaddubsw m4, m14
psraw m6, 6
psraw m4, 6
paddw m6, m15
paddw m4, m15
packuswb m4, m6 ; pack+unpack = clip
punpckhbw m6, m4, m2
punpcklbw m4, m2
%endif
punpckhwd m5, m4, m2
punpcklwd m4, m2
punpckhwd m7, m6, m2
punpcklwd m6, m2 ; m4-7: src as dword
; scaling[src]
pcmpeqw m9, m9
pcmpeqw m3, m3
vpgatherdd m8, [scalingq+m4], m9
vpgatherdd m4, [scalingq+m5], m3
pcmpeqw m9, m9
pcmpeqw m3, m3
vpgatherdd m5, [scalingq+m6], m9
vpgatherdd m6, [scalingq+m7], m3
pand m8, m10
pand m4, m10
pand m5, m10
pand m6, m10
packusdw m8, m4
packusdw m5, m6
; unpack chroma source
punpckhbw m1, m0, m2
punpcklbw m0, m2 ; m0-1: src as word
; grain = grain_lut[offy+y][offx+x]
%if %1
vpbroadcastd m9, [pb_23_22]
%endif
movu xm3, [grain_lutq+offxyq]
movq xm6, [grain_lutq+top_offxyq]
vinserti128 m3, [grain_lutq+offxyq+82], 1
vinserti128 m6, [grain_lutq+top_offxyq+8], 1
movd xm4, [grain_lutq+left_offxyq]
movd xm7, [grain_lutq+topleft_offxyq]
vinserti128 m4, [grain_lutq+left_offxyq+82], 1
; do h interpolation first (so top | top/left -> top, left | cur -> cur)
punpcklbw m4, m3
punpcklbw xm7, xm6
%if %1
pmaddubsw m4, m9, m4
pmaddubsw xm7, xm9, xm7
pmulhrsw m4, [pw_1024]
pmulhrsw xm7, [pw_1024]
%else
pmaddubsw m4, m15, m4
pmaddubsw xm7, xm15, xm7
pmulhrsw m4, m14
pmulhrsw xm7, xm14
%endif
packsswb m4, m4
packsswb xm7, xm7
pcmpeqw m9, m9 ; this is kind of ugly
psrldq m9, 15
vpblendvb m3, m3, m4, m9
shufpd m9, m9, m9, 1110b
vpblendvb m6, m6, m7, m9
vpermq m9, m3, q3120
; followed by v interpolation (top | cur -> cur)
punpcklbw m6, m9
%if %1
vpbroadcastd m9, [pb_23_22]
pmaddubsw m6, m9, m6
pmulhrsw m6, [pw_1024]
%else
pmaddubsw m6, m15, m6
pmulhrsw m6, m14
%endif
packsswb m6, m6
vpermq m6, m6, q3120
vpblendd m3, m3, m6, 00001111b
pcmpgtb m7, m2, m3
punpcklbw m2, m3, m7
punpckhbw m3, m7
; noise = round2(scaling[src] * grain, scaling_shift)
pmullw m2, m8
pmullw m3, m5
pmulhrsw m2, m11
pmulhrsw m3, m11
; dst = clip_pixel(src, noise)
paddw m0, m2
paddw m1, m3
pmaxsw m0, m13
pmaxsw m1, m13
pminsw m0, m12
pminsw m1, m12
packuswb m0, m1
mova [dstq], xm0
vextracti128 [dstq+strideq], m0, 1
lea srcq, [srcq+strideq*2]
lea dstq, [dstq+strideq*2]
lea lumaq, [lumaq+lstrideq*4]
add grain_lutq, 82*2
sub hb, 2
jg %%loop_y_h_overlap
%%end_y_hv_overlap:
add wq, 16
jge %%end_hv
mov srcq, r11mp
mov dstq, r12mp
lea lumaq, [r14+wq*2]
add srcq, wq
add dstq, wq
jmp %%loop_x_hv_overlap
%%end_hv:
RET
%endmacro
FGUV_32x32xN_LOOP 1
.csfl:
FGUV_32x32xN_LOOP 0
%endif ; ARCH_X86_64