ref: 7606bb08fe1b94951a92d04086305215fc7ef044
parent: b3da18fefd17c427207ca1dfd2eaaac951f053a9
author: Francois Cartegnie <fcvlcdev@free.fr>
date: Fri Nov 30 09:07:15 EST 2018
add SSSE3 blend
--- a/src/x86/mc_init_tmpl.c
+++ b/src/x86/mc_init_tmpl.c
@@ -59,6 +59,7 @@
decl_w_mask_fn(dav1d_w_mask_420_avx2);
decl_w_mask_fn(dav1d_w_mask_420_ssse3);
decl_blend_fn(dav1d_blend_avx2);
+decl_blend_fn(dav1d_blend_ssse3);
decl_blend_dir_fn(dav1d_blend_v_avx2);
decl_blend_dir_fn(dav1d_blend_h_avx2);
@@ -83,6 +84,7 @@
c->w_avg = dav1d_w_avg_ssse3;
c->mask = dav1d_mask_ssse3;
c->w_mask[2] = dav1d_w_mask_420_ssse3;
+ c->blend = dav1d_blend_ssse3;
#endif
if (!(flags & DAV1D_X86_CPU_FLAG_AVX2))
--- a/src/x86/mc_ssse3.asm
+++ b/src/x86/mc_ssse3.asm
@@ -29,9 +29,11 @@
SECTION_RODATA 16
+pb_64: times 16 db 64
pw_8: times 8 dw 8
pw_26: times 8 dw 26
pw_258: times 8 dw 258
+pw_512: times 8 dw 512
pw_1024: times 8 dw 1024
pw_2048: times 8 dw 2048
@@ -52,6 +54,7 @@
BIDIR_JMP_TABLE w_avg_ssse3, 4, 8, 16, 32, 64, 128
BIDIR_JMP_TABLE mask_ssse3, 4, 8, 16, 32, 64, 128
BIDIR_JMP_TABLE w_mask_420_ssse3, 4, 8, 16, 16, 16, 16
+BIDIR_JMP_TABLE blend_ssse3, 4, 8, 16, 32
SECTION .text
@@ -427,3 +430,92 @@
%undef loop_w
%undef orig_w
%undef hd
+
+%macro BLEND 2; a, b
+ psubb m3, m4, m0 ; m3 = (64 - m)
+ punpcklbw m2, m3, m0 ; {m;(64-m)}[7..0]+ punpckhbw m3, m0 ; {m;(64-m)}[15..8]+ punpcklbw m0, %1, %2 ; {b;a}[7..0]+ punpckhbw %1, %2 ; {b;a}[15..8]+ pmaddubsw m0, m2 ; {b*m + (64-m)*a}[7..0] u16+ pmaddubsw %1, m3 ; {b*m + (64-m)*a}[15..8] u16+ pmulhrsw m0, m5 ; {((b*m + (64-m)*a) + 1) / 32}[7..0] u16+ pmulhrsw %1, m5 ; {((b*m + (64-m)*a) + 1) / 32}[15..8] u16+ packuswb m0, %1 ; {blendpx}[15..0] u8+%endmacro
+
+cglobal blend, 3, 7, 7, dst, ds, tmp, w, h, mask
+%define base r6-blend_ssse3_table
+ lea r6, [blend_ssse3_table]
+ tzcnt wd, wm
+ movifnidn hd, hm
+ movifnidn maskq, maskmp
+ movsxd wq, dword [r6+wq*4]
+ mova m4, [base+pb_64]
+ mova m5, [base+pw_512]
+ add wq, r6
+ lea r6, [dsq*3]
+ jmp wq
+.w4:
+ movq m0, [maskq]; m
+ movd m1, [dstq+dsq*0] ; a
+ movd m6, [dstq+dsq*1]
+ punpckldq m1, m6
+ movq m6, [tmpq] ; b
+ psubb m3, m4, m0 ; m3 = (64 - m)
+ punpcklbw m2, m3, m0 ; {m;(64-m)}[7..0]+ punpcklbw m1, m6 ; {b;a}[7..0]+ pmaddubsw m1, m2 ; {b*m[0] + (64-m[0])*a}[7..0] u16+ pmulhrsw m1, m5 ; {((b*m[0] + (64-m[0])*a) + 1) / 32}[7..0] u16+ packuswb m1, m0 ; {blendpx}[15..0] u8+ movd [dstq+dsq*0], m1
+ psrlq m1, 32
+ movd [dstq+dsq*1], m1
+ add maskq, 8
+ add tmpq, 8
+ lea dstq, [dstq+dsq*2] ; dst_stride * 2
+ sub hd, 2
+ jg .w4
+ RET
+.w8:
+ mova m0, [maskq]; m
+ movq m1, [dstq+dsq*0] ; a
+ movhps m1, [dstq+dsq*1]
+ mova m6, [tmpq] ; b
+ BLEND m1, m6
+ movq [dstq+dsq*0], m0
+ movhps [dstq+dsq*1], m0
+ add maskq, 16
+ add tmpq, 16
+ lea dstq, [dstq+dsq*2] ; dst_stride * 2
+ sub hd, 2
+ jg .w8
+ RET
+.w16:
+ mova m0, [maskq]; m
+ mova m1, [dstq] ; a
+ mova m6, [tmpq] ; b
+ BLEND m1, m6
+ mova [dstq], m0
+ add maskq, 16
+ add tmpq, 16
+ add dstq, dsq ; dst_stride
+ dec hd
+ jg .w16
+ RET
+.w32:
+ %assign i 0
+ %rep 2
+ mova m0, [maskq+16*i]; m
+ mova m1, [dstq+16*i] ; a
+ mova m6, [tmpq+16*i] ; b
+ BLEND m1, m6
+ mova [dstq+i*16], m0
+ %assign i i+1
+ %endrep
+ add maskq, 32
+ add tmpq, 32
+ add dstq, dsq ; dst_stride
+ dec hd
+ jg .w32
+ RET