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added cv::mixChannels to T-API

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This commit is contained in:
Ilya Lavrenov
2013-12-26 18:48:43 +04:00
parent 4644a864a5
commit a7d2830d3f
3 changed files with 321 additions and 14 deletions
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105
modules/core/src/convert.cpp
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@@ -612,12 +612,105 @@ void cv::mixChannels( const Mat* src, size_t nsrcs, Mat* dst, size_t ndsts, cons
}
}
namespace cv {
static void getUMatIndex(const std::vector<UMat> & um, int cn, int & idx, int & cnidx)
{
int totalChannels = 0;
for (size_t i = 0, size = um.size(); i < size; ++i)
{
int ccn = um[i].channels();
totalChannels += ccn;
if (totalChannels == cn)
{
idx = (int)(i + 1);
cnidx = 0;
return;
}
else if (totalChannels > cn)
{
idx = (int)i;
cnidx = i == 0 ? cn : (cn - totalChannels + ccn);
return;
}
}
idx = cnidx = -1;
}
static bool ocl_mixChannels(InputArrayOfArrays _src, InputOutputArrayOfArrays _dst,
const int* fromTo, size_t npairs)
{
const std::vector<UMat> & src = *(const std::vector<UMat> *)_src.getObj();
std::vector<UMat> & dst = *(std::vector<UMat> *)_dst.getObj();
size_t nsrc = src.size(), ndst = dst.size();
CV_Assert(nsrc > 0 && ndst > 0);
Size size = src[0].size();
int depth = src[0].depth(), esz = CV_ELEM_SIZE(depth);
for (size_t i = 1, ssize = src.size(); i < ssize; ++i)
CV_Assert(src[i].size() == size && src[i].depth() == depth);
for (size_t i = 0, dsize = dst.size(); i < dsize; ++i)
CV_Assert(dst[i].size() == size && dst[i].depth() == depth);
String declsrc, decldst, declproc, declcn;
std::vector<UMat> srcargs(npairs), dstargs(npairs);
for (size_t i = 0; i < npairs; ++i)
{
int scn = fromTo[i<<1], dcn = fromTo[(i<<1) + 1];
int src_idx, src_cnidx, dst_idx, dst_cnidx;
getUMatIndex(src, scn, src_idx, src_cnidx);
getUMatIndex(dst, dcn, dst_idx, dst_cnidx);
CV_Assert(dst_idx >= 0 && src_idx >= 0);
srcargs[i] = src[src_idx];
srcargs[i].offset += src_cnidx * esz;
dstargs[i] = dst[dst_idx];
dstargs[i].offset += dst_cnidx * esz;
declsrc += format("DECLARE_INPUT_MAT(%d)", i);
decldst += format("DECLARE_OUTPUT_MAT(%d)", i);
declproc += format("PROCESS_ELEM(%d)", i);
declcn += format(" -D scn%d=%d -D dcn%d=%d", i, src[src_idx].channels(), i, dst[dst_idx].channels());
}
ocl::Kernel k("mixChannels", ocl::core::mixchannels_oclsrc,
format("-D T=%s -D DECLARE_INPUT_MATS=%s -D DECLARE_OUTPUT_MATS=%s"
" -D PROCESS_ELEMS=%s%s", ocl::memopTypeToStr(depth),
declsrc.c_str(), decldst.c_str(), declproc.c_str(), declcn.c_str()));
if (k.empty())
return false;
size_t argindex = 0;
for (size_t i = 0; i < npairs; ++i)
argindex = k.set(argindex, ocl::KernelArg::ReadOnlyNoSize(srcargs[i]));
for (size_t i = 0; i < npairs; ++i)
argindex = k.set(argindex, ocl::KernelArg::ReadOnlyNoSize(dstargs[i]));
k.set(k.set(argindex, size.height), size.width);
size_t globalsize[2] = { size.width, size.height };
return k.run(2, globalsize, NULL, false);
}
}
void cv::mixChannels(InputArrayOfArrays src, InputOutputArrayOfArrays dst,
const int* fromTo, size_t npairs)
{
if(npairs == 0)
if (npairs == 0 || fromTo == NULL)
return;
if (ocl::useOpenCL() && src.isUMatVector() && dst.isUMatVector() &&
ocl_mixChannels(src, dst, fromTo, npairs))
return;
bool src_is_mat = src.kind() != _InputArray::STD_VECTOR_MAT &&
src.kind() != _InputArray::STD_VECTOR_VECTOR;
bool dst_is_mat = dst.kind() != _InputArray::STD_VECTOR_MAT &&
@@ -639,8 +732,16 @@ void cv::mixChannels(InputArrayOfArrays src, InputOutputArrayOfArrays dst,
void cv::mixChannels(InputArrayOfArrays src, InputOutputArrayOfArrays dst,
const std::vector<int>& fromTo)
{
if(fromTo.empty())
if (fromTo.empty())
return;
if (ocl::useOpenCL() && src.isUMatVector() && dst.isUMatVector() /*&&
ocl_mixChannels(src, dst, &fromTo[0], fromTo.size()>>1)*/)
{
CV_Assert(ocl_mixChannels(src, dst, &fromTo[0], fromTo.size()>>1));
return;
}
bool src_is_mat = src.kind() != _InputArray::STD_VECTOR_MAT &&
src.kind() != _InputArray::STD_VECTOR_VECTOR;
bool dst_is_mat = dst.kind() != _InputArray::STD_VECTOR_MAT &&