From 006dcbe723592a3653bceb0d7f8cc3004e05cb05 Mon Sep 17 00:00:00 2001
From: sunyuechi <sunyuechi@iscas.ac.cn>
Date: Sat, 2 Mar 2024 08:35:39 +0800
Subject: [PATCH 3/4] lavc/vp9dsp: R-V V ipred hor

C908:
vp9_hor_8x8_8bpp_c: 74.7
vp9_hor_8x8_8bpp_rvv_i32: 35.7
vp9_hor_16x16_8bpp_c: 175.5
vp9_hor_16x16_8bpp_rvv_i32: 80.2
vp9_hor_32x32_8bpp_c: 510.2
vp9_hor_32x32_8bpp_rvv_i32: 264.0
---
 libavcodec/riscv/vp9_intra_rvv.S | 56 ++++++++++++++++++++++++++++++++
 libavcodec/riscv/vp9dsp.h        |  6 ++++
 libavcodec/riscv/vp9dsp_init.c   |  3 ++
 3 files changed, 65 insertions(+)

diff --git a/libavcodec/riscv/vp9_intra_rvv.S b/libavcodec/riscv/vp9_intra_rvv.S
index 034d4f5908..6644c68e67 100644
--- a/libavcodec/riscv/vp9_intra_rvv.S
+++ b/libavcodec/riscv/vp9_intra_rvv.S
@@ -204,3 +204,59 @@ func ff_v_8x8_rvv, zve64x
 
         ret
 endfunc
+
+func ff_h_32x32_rvv, zve32x
+        li           t0, 32
+        addi         a2, a2, 31
+        vsetvli      zero, t0, e8, m2, ta, ma
+
+        .rept 2
+        .irp n 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30
+        lbu          t1, (a2)
+        addi         a2, a2, -1
+        vmv.v.x      v\n, t1
+        .endr
+        .irp n 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30
+        vse8.v       v\n, (a0)
+        add          a0, a0, a1
+        .endr
+        .endr
+
+        ret
+endfunc
+
+func ff_h_16x16_rvv, zve32x
+        addi         a2, a2, 15
+        vsetivli     zero, 16, e8, m1, ta, ma
+
+        .irp n 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23
+        lbu          t1, (a2)
+        addi         a2, a2, -1
+        vmv.v.x      v\n, t1
+        .endr
+        .irp n 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22
+        vse8.v       v\n, (a0)
+        add          a0, a0, a1
+        .endr
+        vse8.v       v23, (a0)
+
+        ret
+endfunc
+
+func ff_h_8x8_rvv, zve32x
+        addi         a2, a2, 7
+        vsetivli     zero, 8, e8, mf2, ta, ma
+
+        .irp n 8, 9, 10, 11, 12, 13, 14, 15
+        lbu          t1, (a2)
+        addi         a2, a2, -1
+        vmv.v.x      v\n, t1
+        .endr
+        .irp n 8, 9, 10, 11, 12, 13, 14
+        vse8.v       v\n, (a0)
+        add          a0, a0, a1
+        .endr
+        vse8.v       v15, (a0)
+
+        ret
+endfunc
diff --git a/libavcodec/riscv/vp9dsp.h b/libavcodec/riscv/vp9dsp.h
index ae4fb266d0..2b2e0db0d8 100644
--- a/libavcodec/riscv/vp9dsp.h
+++ b/libavcodec/riscv/vp9dsp.h
@@ -66,5 +66,11 @@ void ff_v_16x16_rvv(uint8_t *dst, ptrdiff_t stride, const uint8_t *l,
                     const uint8_t *a);
 void ff_v_8x8_rvv(uint8_t *dst, ptrdiff_t stride, const uint8_t *l,
                   const uint8_t *a);
+void ff_h_32x32_rvv(uint8_t *dst, ptrdiff_t stride, const uint8_t *l,
+                    const uint8_t *a);
+void ff_h_16x16_rvv(uint8_t *dst, ptrdiff_t stride, const uint8_t *l,
+                    const uint8_t *a);
+void ff_h_8x8_rvv(uint8_t *dst, ptrdiff_t stride, const uint8_t *l,
+                  const uint8_t *a);
 
 #endif  // #ifndef AVCODEC_RISCV_VP9DSP_RISCV_H
diff --git a/libavcodec/riscv/vp9dsp_init.c b/libavcodec/riscv/vp9dsp_init.c
index 9c550d40b5..16aeeb260a 100644
--- a/libavcodec/riscv/vp9dsp_init.c
+++ b/libavcodec/riscv/vp9dsp_init.c
@@ -54,6 +54,9 @@ static av_cold void vp9dsp_intrapred_init_rvv(VP9DSPContext *dsp, int bpp)
             dsp->intra_pred[TX_16X16][TOP_DC_PRED] = ff_dc_top_16x16_rvv;
             dsp->intra_pred[TX_32X32][VERT_PRED] = ff_v_32x32_rvv;
             dsp->intra_pred[TX_16X16][VERT_PRED] = ff_v_16x16_rvv;
+            dsp->intra_pred[TX_32X32][HOR_PRED] = ff_h_32x32_rvv;
+            dsp->intra_pred[TX_16X16][HOR_PRED] = ff_h_16x16_rvv;
+            dsp->intra_pred[TX_8X8][HOR_PRED] = ff_h_8x8_rvv;
         }
     #endif
 }
-- 
2.44.0