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#include "precomp.hpp"
using namespace cv;
using namespace cv::cuda;
void cv::cuda::GpuMat::updateContinuityFlag()
{
int sz[] = { rows, cols };
size_t steps[] = { step, elemSize() };
flags = cv::updateContinuityFlag(flags, 2, sz, steps);
}
cv::cuda::GpuMat::GpuMat(int rows_, int cols_, int type_, void* data_, size_t step_) :
flags(Mat::MAGIC_VAL + (type_ & Mat::TYPE_MASK)), rows(rows_), cols(cols_),
step(step_), data((uchar*)data_), refcount(0),
datastart((uchar*)data_), dataend((const uchar*)data_),
allocator(defaultAllocator())
{
size_t minstep = cols * elemSize();
if (step == Mat::AUTO_STEP)
{
step = minstep;
}
else
{
if (rows == 1)
step = minstep;
CV_DbgAssert( step >= minstep );
}
dataend += step * (rows - 1) + minstep;
updateContinuityFlag();
}
cv::cuda::GpuMat::GpuMat(Size size_, int type_, void* data_, size_t step_) :
flags(Mat::MAGIC_VAL + (type_ & Mat::TYPE_MASK)), rows(size_.height), cols(size_.width),
step(step_), data((uchar*)data_), refcount(0),
datastart((uchar*)data_), dataend((const uchar*)data_),
allocator(defaultAllocator())
{
size_t minstep = cols * elemSize();
if (step == Mat::AUTO_STEP)
{
step = minstep;
}
else
{
if (rows == 1)
step = minstep;
CV_DbgAssert( step >= minstep );
}
dataend += step * (rows - 1) + minstep;
updateContinuityFlag();
}
cv::cuda::GpuMat::GpuMat(const GpuMat& m, Range rowRange_, Range colRange_)
{
flags = m.flags;
step = m.step; refcount = m.refcount;
data = m.data; datastart = m.datastart; dataend = m.dataend;
allocator = m.allocator;
if (rowRange_ == Range::all())
{
rows = m.rows;
}
else
{
CV_Assert( 0