SymmColumnSmallVec_32s16s [3, 10, 3] Scharr

NEON speedup: 2.04x Auto-vect speedup: 1x
10 years ago · 33dfeb85be
parent 61a7f48bf4
commit 33dfeb85be
1 changed files with 18 additions and 1 deletions
--- a/modules/imgproc/src/filter.cpp
+++ b/modules/imgproc/src/filter.cpp
@ -2672,7 +2672,24 @@ struct SymmColumnSmallVec_32s16s
            }
            else if( ky[0] == 10 && ky[1] == 3 )
            {
-                return 0;
+                for( ; i <= width - 4; i += 4 )
+                {
+                    int32x4_t x0, x1, x2, x3;
+                    x0 = vld1q_s32((int32_t const *)(S0 + i));
+                    x1 = vld1q_s32((int32_t const *)(S1 + i));
+                    x2 = vld1q_s32((int32_t const *)(S2 + i));
+
+                    x3 = vaddq_s32(x0, x2);
+
+                    int32x4_t y0;
+                    y0 = vmlaq_n_s32(d4, x1, 10);
+                    y0 = vmlaq_n_s32(y0, x3, 3);
+
+                    int16x4_t t;
+                    t = vqmovn_s32(y0);
+
+                    vst1_s16((int16_t *)(dst + i), t);
+                }
            }
            else
            {