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fixes for cv::warpAffine

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This commit is contained in:
Ilya Lavrenov 2014-10-12 13:05:30 -07:00
parent 15af3f7114
commit 8d0383180c
1 changed files with 27 additions and 16 deletions
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43
modules/imgproc/src/imgwarp.cpp
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@ -4669,13 +4669,15 @@ public:
x1 = 0;
#if CV_NEON
int32x4_t v_X0 = vdupq_n_s32(X0), v_Y0 = vdupq_n_s32(Y0);
for( ; x1 <= bw - 4; x1 += 4 )
for( ; x1 <= bw - 8; x1 += 8 )
{
int32x4_t v_X = vshrq_n_s32(vaddq_s32(v_X0, vld1q_s32(adelta + x + x1)), AB_BITS - INTER_BITS);
int32x4_t v_Y = vshrq_n_s32(vaddq_s32(v_Y0, vld1q_s32(bdelta + x + x1)), AB_BITS - INTER_BITS);
int16x8x2_t v_dst;
v_dst.val[0] = vcombine_s16(vqmovn_s32(vshrq_n_s32(vaddq_s32(v_X0, vld1q_s32(adelta + x + x1)), AB_BITS)),
vqmovn_s32(vshrq_n_s32(vaddq_s32(v_X0, vld1q_s32(adelta + x + x1 + 4)), AB_BITS)));
v_dst.val[1] = vcombine_s16(vqmovn_s32(vshrq_n_s32(vaddq_s32(v_Y0, vld1q_s32(bdelta + x + x1)), AB_BITS)),
vqmovn_s32(vshrq_n_s32(vaddq_s32(v_Y0, vld1q_s32(bdelta + x + x1 + 4)), AB_BITS)));
vst1q_s16(xy + (x1 << 1), vcombine_s16(vqmovn_s32(vshrq_n_s32(v_X, INTER_BITS)),
vqmovn_s32(vshrq_n_s32(v_Y, INTER_BITS))));
vst2q_s16(xy + (x1 << 1), v_dst);
}
#endif
for( ; x1 < bw; x1++ )
@ -4723,18 +4725,27 @@ public:
_mm_storeu_si128((__m128i*)(alpha + x1), fx_);
}
}
// #elif CV_NEON
// int32x4_t v_X0 = vdupq_n_s32(X0), v_Y0 = vdupq_n_s32(Y0), v_mask = vdupq_n_s32(INTER_TAB_SIZE - 1);
// for( ; x1 <= bw - 4; x1 += 4 )
// {
// int32x4_t v_X = vshrq_n_s32(vaddq_s32(v_X0, vld1q_s32(adelta + x + x1)), AB_BITS - INTER_BITS);
// int32x4_t v_Y = vshrq_n_s32(vaddq_s32(v_Y0, vld1q_s32(bdelta + x + x1)), AB_BITS - INTER_BITS);
#elif CV_NEON
int32x4_t v__X0 = vdupq_n_s32(X0), v__Y0 = vdupq_n_s32(Y0), v_mask = vdupq_n_s32(INTER_TAB_SIZE - 1);
for( ; x1 <= bw - 8; x1 += 8 )
{
int32x4_t v_X0 = vshrq_n_s32(vaddq_s32(v__X0, vld1q_s32(adelta + x + x1)), AB_BITS - INTER_BITS);
int32x4_t v_Y0 = vshrq_n_s32(vaddq_s32(v__Y0, vld1q_s32(bdelta + x + x1)), AB_BITS - INTER_BITS);
int32x4_t v_X1 = vshrq_n_s32(vaddq_s32(v__X0, vld1q_s32(adelta + x + x1 + 4)), AB_BITS - INTER_BITS);
int32x4_t v_Y1 = vshrq_n_s32(vaddq_s32(v__Y0, vld1q_s32(bdelta + x + x1 + 4)), AB_BITS - INTER_BITS);
// vst1q_s16(xy + (x1 << 1), vcombine_s16(vqmovn_s32(vshrq_n_s32(v_X, INTER_BITS)),
// vqmovn_s32(vshrq_n_s32(v_Y, INTER_BITS))));
// vst1_s16(alpha + x1, vmovn_s32(vaddq_s32(vshlq_n_s32(vandq_s32(v_Y, v_mask), INTER_BITS),
// vandq_s32(v_X, v_mask))));
// }
int16x8x2_t v_xy;
v_xy.val[0] = vcombine_s16(vqmovn_s32(vshrq_n_s32(v_X0, INTER_BITS)), vqmovn_s32(vshrq_n_s32(v_X1, INTER_BITS)));
v_xy.val[1] = vcombine_s16(vqmovn_s32(vshrq_n_s32(v_Y0, INTER_BITS)), vqmovn_s32(vshrq_n_s32(v_Y1, INTER_BITS)));
vst2q_s16(xy + (x1 << 1), v_xy);
int16x4_t v_alpha0 = vmovn_s32(vaddq_s32(vshlq_n_s32(vandq_s32(v_Y0, v_mask), INTER_BITS),
vandq_s32(v_X0, v_mask)));
int16x4_t v_alpha1 = vmovn_s32(vaddq_s32(vshlq_n_s32(vandq_s32(v_Y1, v_mask), INTER_BITS),
vandq_s32(v_X1, v_mask)));
vst1q_s16(alpha + x1, vcombine_s16(v_alpha0, v_alpha1));
}
#endif
for( ; x1 < bw; x1++ )
{