From d9044b400f5a161928a920f0399e5e0715f0c8e6 Mon Sep 17 00:00:00 2001
From: sunyuechi <sunyuechi@iscas.ac.cn>
Date: Thu, 21 Mar 2024 22:53:59 +0800
Subject: [PATCH 3/7] lavc/vp9dsp: R-V V mc tap h
C908:
vp9_avg_8tap_smooth_4h_8bpp_c: 12.7
vp9_avg_8tap_smooth_4h_8bpp_rvv_i64: 5.0
vp9_avg_8tap_smooth_8h_8bpp_c: 48.5
vp9_avg_8tap_smooth_8h_8bpp_rvv_i64: 9.2
vp9_avg_8tap_smooth_16h_8bpp_c: 191.7
vp9_avg_8tap_smooth_16h_8bpp_rvv_i64: 21.0
vp9_avg_8tap_smooth_32h_8bpp_c: 780.0
vp9_avg_8tap_smooth_32h_8bpp_rvv_i64: 66.5
vp9_avg_8tap_smooth_64h_8bpp_c: 3123.7
vp9_avg_8tap_smooth_64h_8bpp_rvv_i64: 264.2
vp9_put_8tap_smooth_4h_8bpp_c: 11.0
vp9_put_8tap_smooth_4h_8bpp_rvv_i64: 4.2
vp9_put_8tap_smooth_8h_8bpp_c: 42.0
vp9_put_8tap_smooth_8h_8bpp_rvv_i64: 8.2
vp9_put_8tap_smooth_16h_8bpp_c: 165.5
vp9_put_8tap_smooth_16h_8bpp_rvv_i64: 19.7
vp9_put_8tap_smooth_32h_8bpp_c: 659.0
vp9_put_8tap_smooth_32h_8bpp_rvv_i64: 64.0
vp9_put_8tap_smooth_64h_8bpp_c: 2682.0
vp9_put_8tap_smooth_64h_8bpp_rvv_i64: 272.2
---
libavcodec/riscv/vp9_mc_rvv.S | 232 +++++++++++++++++++++++++++++++++
libavcodec/riscv/vp9dsp_init.c | 8 +-
2 files changed, 239 insertions(+), 1 deletion(-)
@@ -123,6 +123,230 @@ func ff_copy\len\()_rvv, zve32x
endfunc
.endr
+subpel_filters_regular:
+ .byte 0, 0, 0, 128, 0, 0, 0, 0
+ .byte 0, 1, -5, 126, 8, -3, 1, 0
+ .byte -1, 3, -10, 122, 18, -6, 2, 0
+ .byte -1, 4, -13, 118, 27, -9, 3, -1
+ .byte -1, 4, -16, 112, 37, -11, 4, -1
+ .byte -1, 5, -18, 105, 48, -14, 4, -1
+ .byte -1, 5, -19, 97, 58, -16, 5, -1
+ .byte -1, 6, -19, 88, 68, -18, 5, -1
+ .byte -1, 6, -19, 78, 78, -19, 6, -1
+ .byte -1, 5, -18, 68, 88, -19, 6, -1
+ .byte -1, 5, -16, 58, 97, -19, 5, -1
+ .byte -1, 4, -14, 48, 105, -18, 5, -1
+ .byte -1, 4, -11, 37, 112, -16, 4, -1
+ .byte -1, 3, -9, 27, 118, -13, 4, -1
+ .byte 0, 2, -6, 18, 122, -10, 3, -1
+ .byte 0, 1, -3, 8, 126, -5, 1, 0
+subpel_filters_sharp:
+ .byte 0, 0, 0, 128, 0, 0, 0, 0
+ .byte -1, 3, -7, 127, 8, -3, 1, 0
+ .byte -2, 5, -13, 125, 17, -6, 3, -1
+ .byte -3, 7, -17, 121, 27, -10, 5, -2
+ .byte -4, 9, -20, 115, 37, -13, 6, -2
+ .byte -4, 10, -23, 108, 48, -16, 8, -3
+ .byte -4, 10, -24, 100, 59, -19, 9, -3
+ .byte -4, 11, -24, 90, 70, -21, 10, -4
+ .byte -4, 11, -23, 80, 80, -23, 11, -4
+ .byte -4, 10, -21, 70, 90, -24, 11, -4
+ .byte -3, 9, -19, 59, 100, -24, 10, -4
+ .byte -3, 8, -16, 48, 108, -23, 10, -4
+ .byte -2, 6, -13, 37, 115, -20, 9, -4
+ .byte -2, 5, -10, 27, 121, -17, 7, -3
+ .byte -1, 3, -6, 17, 125, -13, 5, -2
+ .byte 0, 1, -3, 8, 127, -7, 3, -1
+subpel_filters_smooth:
+ .byte 0, 0, 0, 128, 0, 0, 0, 0
+ .byte -3, -1, 32, 64, 38, 1, -3, 0
+ .byte -2, -2, 29, 63, 41, 2, -3, 0
+ .byte -2, -2, 26, 63, 43, 4, -4, 0
+ .byte -2, -3, 24, 62, 46, 5, -4, 0
+ .byte -2, -3, 21, 60, 49, 7, -4, 0
+ .byte -1, -4, 18, 59, 51, 9, -4, 0
+ .byte -1, -4, 16, 57, 53, 12, -4, -1
+ .byte -1, -4, 14, 55, 55, 14, -4, -1
+ .byte -1, -4, 12, 53, 57, 16, -4, -1
+ .byte 0, -4, 9, 51, 59, 18, -4, -1
+ .byte 0, -4, 7, 49, 60, 21, -3, -2
+ .byte 0, -4, 5, 46, 62, 24, -3, -2
+ .byte 0, -4, 4, 43, 63, 26, -2, -2
+ .byte 0, -3, 2, 41, 63, 29, -2, -2
+ .byte 0, -3, 1, 38, 64, 32, -1, -3
+
+.macro epel_filter name type regtype
+ lla \regtype\()2, subpel_filters_\name
+ li \regtype\()1, 8
+ mul \regtype\()0, a5, \regtype\()1
+ add \regtype\()0, \regtype\()0, \regtype\()2
+ .irp n 1,2,3,4,5,6
+ lb \regtype\n, \n(\regtype\()0)
+ .endr
+.ifc \regtype,t
+ lb a7, 7(\regtype\()0)
+.elseif \regtype == s
+ lb s7, 7(\regtype\()0)
+.endif
+ lb \regtype\()0, 0(\regtype\()0)
+.endm
+
+.macro epel_load dst len do name type from_mem regtype
+ li a5, 64
+.ifc \from_mem, 1
+ vle8.v v22, (a2)
+ addi a2, a2, -1
+ vle8.v v20, (a2)
+ addi a2, a2, 2
+ vle8.v v24, (a2)
+ addi a2, a2, 1
+ vle8.v v26, (a2)
+ addi a2, a2, 1
+ vle8.v v28, (a2)
+ addi a2, a2, 1
+ vle8.v v30, (a2)
+
+.ifc \name,smooth
+ vwmulu.vx v16, v24, \regtype\()4
+ vwmaccu.vx v16, \regtype\()2, v20
+ vwmaccu.vx v16, \regtype\()5, v26
+ vwmaccsu.vx v16, \regtype\()6, v28
+.else
+ vwmulu.vx v16, v28, \regtype\()6
+ vwmaccsu.vx v16, \regtype\()2, v20
+ vwmaccsu.vx v16, \regtype\()5, v26
+.endif
+
+.ifc \regtype,t
+ vwmaccsu.vx v16, a7, v30
+.elseif \regtype == s
+ vwmaccsu.vx v16, s7, v30
+.endif
+
+ addi a2, a2, -6
+ vle8.v v28, (a2)
+ addi a2, a2, -1
+ vle8.v v26, (a2)
+ addi a2, a2, 3
+
+.ifc \name,smooth
+ vwmaccsu.vx v16, \regtype\()1, v28
+.else
+ vwmaccu.vx v16, \regtype\()1, v28
+ vwmulu.vx v28, v24, \regtype\()4
+.endif
+ vwmaccsu.vx v16, \regtype\()0, v26
+ vwmulu.vx v20, v22, \regtype\()3
+.else
+.ifc \name,smooth
+ vwmulu.vx v16, v8, \regtype\()4
+ vwmaccu.vx v16, \regtype\()2, v4
+ vwmaccu.vx v16, \regtype\()5, v10
+ vwmaccsu.vx v16, \regtype\()6, v12
+ vwmaccsu.vx v16, \regtype\()1, v2
+.else
+ vwmulu.vx v16, v2, \regtype\()1
+ vwmaccu.vx v16, \regtype\()6, v12
+ vwmaccsu.vx v16, \regtype\()5, v10
+ vwmaccsu.vx v16, \regtype\()2, v4
+ vwmulu.vx v28, v8, \regtype\()4
+.endif
+ vwmaccsu.vx v16, \regtype\()0, v0
+ vwmulu.vx v20, v6, \regtype\()3
+
+.ifc \regtype,t
+ vwmaccsu.vx v16, a7, v14
+.elseif \regtype == s
+ vwmaccsu.vx v16, s7, v14
+.endif
+
+.endif
+ vwadd.wx v16, v16, a5
+.ifc \len,4
+ vsetvli zero, zero, e16, mf2, ta, ma
+.elseif \len == 8
+ vsetvli zero, zero, e16, m1, ta, ma
+.elseif \len == 16
+ vsetvli zero, zero, e16, m2, ta, ma
+.else
+ vsetvli zero, zero, e16, m4, ta, ma
+.endif
+
+.ifc \name,smooth
+ vwadd.vv v24, v16, v20
+.else
+ vwadd.vv v24, v16, v28
+ vwadd.wv v24, v24, v20
+.endif
+ vnsra.wi v24, v24, 7
+ vmax.vx v24, v24, zero
+.ifc \len,4
+ vsetvli zero, zero, e8, mf4, ta, ma
+.elseif \len == 8
+ vsetvli zero, zero, e8, mf2, ta, ma
+.elseif \len == 16
+ vsetvli zero, zero, e8, m1, ta, ma
+.else
+ vsetvli zero, zero, e8, m2, ta, ma
+.endif
+
+.ifc \do,put
+ vnclipu.wi \dst, v24, 0
+.elseif \do == avg
+ vle8.v \dst, (a0)
+ vnclipu.wi v24, v24, 0
+ vaaddu.vv \dst, \dst, v24
+.endif
+
+.endm
+
+.macro epel_load_inc dst len do name type from_mem regtype
+ epel_load \dst \len \do \name \type \from_mem \regtype
+ add a2, a2, a3
+.endm
+
+.macro epel len do name type
+ epel_filter \name \type t
+
+.ifc \len,4
+ vsetivli zero, 4, e8, mf4, ta, ma
+.elseif \len == 8
+ vsetivli zero, 8, e8, mf2, ta, ma
+.elseif \len == 16
+ vsetivli zero, 16, e8, m1, ta, ma
+.else
+ li a5, 32
+ vsetvli zero, a5, e8, m2, ta, ma
+.endif
+.ifc \do,avg
+ csrwi vxrm, 0
+.endif
+
+1:
+ addi a4, a4, -1
+ epel_load v30 \len \do \name \type 1 t
+ vse8.v v30, (a0)
+.ifc \len,64
+ addi a0, a0, 32
+ addi a2, a2, 32
+ epel_load v30 \len \do \name \type 1 t
+ vse8.v v30, (a0)
+ addi a0, a0, -32
+ addi a2, a2, -32
+.endif
+ add a2, a2, a3
+ add a0, a0, a1
+ bnez a4, 1b
+
+ ret
+.endm
+
+.macro gen_epel len do name type
+func ff_\do\()_8tap_\name\()_\len\()\type\()_rvv, zve32x
+ epel \len \do \name \type
+endfunc
+.endm
+
.irp len 64, 32, 16, 8, 4
func ff_avg\len\()_rvv, zve32x
copy_avg \len avg
@@ -134,4 +358,12 @@ endfunc
func ff_avg_bilin_\len\()h_rvv, zve32x
bilin_h \len avg
endfunc
+
+.irp name regular sharp smooth
+ .irp do put avg
+ .irp type h
+ gen_epel \len \do \name \type
+ .endr
+ .endr
+.endr
.endr
@@ -109,7 +109,13 @@ static av_cold void vp9dsp_mc_init_rvv(VP9DSPContext *dsp, int bpp)
#define init_subpel1(idx1, idx2, idxh, idxv, sz, dir, type) \
dsp->mc[idx1][FILTER_BILINEAR ][idx2][idxh][idxv] = \
- ff_##type##_bilin_##sz##dir##_rvv;
+ ff_##type##_bilin_##sz##dir##_rvv; \
+ dsp->mc[idx1][FILTER_8TAP_SMOOTH ][idx2][idxh][idxv] = \
+ ff_##type##_8tap_smooth_##sz##dir##_rvv; \
+ dsp->mc[idx1][FILTER_8TAP_REGULAR][idx2][idxh][idxv] = \
+ ff_##type##_8tap_regular_##sz##dir##_rvv; \
+ dsp->mc[idx1][FILTER_8TAP_SHARP ][idx2][idxh][idxv] = \
+ ff_##type##_8tap_sharp_##sz##dir##_rvv;
#define init_subpel2(idx, idxh, idxv, dir, type) \
init_subpel1(0, idx, idxh, idxv, 64, dir, type); \
--
2.44.0