ddepth = sdepth;
_dst.create( _src.size(), CV_MAKETYPE(ddepth, cn) );
+#if defined HAVE_IPP && !defined HAVE_IPP_ICV_ONLY
+ if ((ksize == 3 || ksize == 5) && ((borderType & BORDER_ISOLATED) != 0 || !_src.isSubmatrix()) &&
+ ((stype == CV_8UC1 && ddepth == CV_16S) || (ddepth == CV_32F && stype == CV_32FC1)))
+ {
+ int iscale = saturate_cast<int>(scale), idelta = saturate_cast<int>(delta);
+ bool floatScale = std::fabs(scale - iscale) > DBL_EPSILON, needScale = iscale != 1;
+ bool floatDelta = std::fabs(delta - idelta) > DBL_EPSILON, needDelta = delta != 0;
+ int borderTypeNI = borderType & ~BORDER_ISOLATED;
+ Mat src = _src.getMat(), dst = _dst.getMat();
+
+ if (src.data != dst.data)
+ {
+ Ipp32s bufsize;
+ IppStatus status = (IppStatus)-1;
+ IppiSize roisize = { src.cols, src.rows };
+ IppiMaskSize masksize = ksize == 3 ? ippMskSize3x3 : ippMskSize5x5;
+ IppiBorderType borderTypeIpp = ippiGetBorderType(borderTypeNI);
+
+#define IPP_FILTER_LAPLACIAN(ippsrctype, ippdsttype, ippfavor) \
+ do \
+ { \
+ if (borderTypeIpp >= 0 && ippiFilterLaplacianGetBufferSize_##ippfavor##_C1R(roisize, masksize, &bufsize) >= 0) \
+ { \
+ Ipp8u * buffer = ippsMalloc_8u(bufsize); \
+ status = ippiFilterLaplacianBorder_##ippfavor##_C1R((const ippsrctype *)src.data, (int)src.step, (ippdsttype *)dst.data, \
+ (int)dst.step, roisize, masksize, borderTypeIpp, 0, buffer); \
+ ippsFree(buffer); \
+ } \
+ } while ((void)0, 0)
+
+ if (sdepth == CV_8U && ddepth == CV_16S && !floatScale && !floatDelta)
+ {
+ IPP_FILTER_LAPLACIAN(Ipp8u, Ipp16s, 8u16s);
+
+ if (needScale && status >= 0)
+ status = ippiMulC_16s_C1IRSfs((Ipp16s)iscale, (Ipp16s *)dst.data, (int)dst.step, roisize, 0);
+ if (needDelta && status >= 0)
+ status = ippiAddC_16s_C1IRSfs((Ipp16s)idelta, (Ipp16s *)dst.data, (int)dst.step, roisize, 0);
+ }
+ else if (sdepth == CV_32F && ddepth == CV_32F)
+ {
+ IPP_FILTER_LAPLACIAN(Ipp32f, Ipp32f, 32f);
+
+ if (needScale && status >= 0)
+ status = ippiMulC_32f_C1IR((Ipp32f)scale, (Ipp32f *)dst.data, (int)dst.step, roisize);
+ if (needDelta && status >= 0)
+ status = ippiAddC_32f_C1IR((Ipp32f)delta, (Ipp32f *)dst.data, (int)dst.step, roisize);
+ }
+
+ if (status >= 0)
+ return;
+ }
+ }
+#undef IPP_FILTER_LAPLACIAN
+#endif
+
#ifdef HAVE_TEGRA_OPTIMIZATION
if (scale == 1.0 && delta == 0)
{