[FFmpeg-devel] [PATCH 02/10] lavc/vp9dsp: R-V V ipred hor

[uk7b@foxmail.com]

From: sunyuechi <sunyuechi@iscas.ac.cn>

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 b5f0f9d3c3..1b270215fb 100644
--- a/libavcodec/riscv/vp9_intra_rvv.S
+++ b/libavcodec/riscv/vp9_intra_rvv.S
@@ -148,3 +148,59 @@ 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 113397ce86..d4c7652286 100644
--- a/libavcodec/riscv/vp9dsp.h
+++ b/libavcodec/riscv/vp9dsp.h
@@ -66,6 +66,12 @@ 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);
 
 #define VP9_8TAP_RISCV_RVV_FUNC(SIZE, type, type_idx)                         \
 void ff_put_8tap_##type##_##SIZE##h_rvv(uint8_t *dst, ptrdiff_t dststride,   \
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
 }
-- 
2.45.0

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