Smart pointer for GPU memory with reference counting. Its interface is mostly similar with cv::Mat. More...
#include <gpumat.hpp>
Public Member Functions | |
GpuMat () | |
default constructor More... | |
GpuMat (int rows, int cols, int type) | |
constructs GpuMatrix of the specified size and type (_type is CV_8UC1, CV_64FC3, CV_32SC(12) etc.) More... | |
GpuMat (Size size, int type) | |
GpuMat (int rows, int cols, int type, Scalar s) | |
constucts GpuMatrix and fills it with the specified value _s. More... | |
GpuMat (Size size, int type, Scalar s) | |
GpuMat (const GpuMat &m) | |
copy constructor More... | |
GpuMat (int rows, int cols, int type, void *data, size_t step=Mat::AUTO_STEP) | |
constructor for GpuMatrix headers pointing to user-allocated data More... | |
GpuMat (Size size, int type, void *data, size_t step=Mat::AUTO_STEP) | |
GpuMat (const GpuMat &m, Range rowRange, Range colRange) | |
creates a matrix header for a part of the bigger matrix More... | |
GpuMat (const GpuMat &m, Rect roi) | |
GpuMat (const Mat &m) | |
builds GpuMat from Mat. Perfom blocking upload to device. More... | |
~GpuMat () | |
destructor - calls release() More... | |
GpuMat & | operator= (const GpuMat &m) |
assignment operators More... | |
void | upload (const Mat &m) |
pefroms blocking upload data to GpuMat. More... | |
void | download (Mat &m) const |
downloads data from device to host memory. Blocking calls. More... | |
GpuMat | row (int y) const |
returns a new GpuMatrix header for the specified row More... | |
GpuMat | col (int x) const |
returns a new GpuMatrix header for the specified column More... | |
GpuMat | rowRange (int startrow, int endrow) const |
... for the specified row span More... | |
GpuMat | rowRange (Range r) const |
GpuMat | colRange (int startcol, int endcol) const |
... for the specified column span More... | |
GpuMat | colRange (Range r) const |
GpuMat | clone () const |
returns deep copy of the GpuMatrix, i.e. the data is copied More... | |
void | copyTo (GpuMat &m) const |
copies the GpuMatrix content to "m". More... | |
void | copyTo (GpuMat &m, const GpuMat &mask) const |
copies those GpuMatrix elements to "m" that are marked with non-zero mask elements. More... | |
void | convertTo (GpuMat &m, int rtype, double alpha=1, double beta=0) const |
converts GpuMatrix to another datatype with optional scalng. See cvConvertScale. More... | |
void | assignTo (GpuMat &m, int type=-1) const |
GpuMat & | operator= (Scalar s) |
sets every GpuMatrix element to s More... | |
GpuMat & | setTo (Scalar s, const GpuMat &mask=GpuMat()) |
sets some of the GpuMatrix elements to s, according to the mask More... | |
GpuMat | reshape (int cn, int rows=0) const |
creates alternative GpuMatrix header for the same data, with different More... | |
void | create (int rows, int cols, int type) |
allocates new GpuMatrix data unless the GpuMatrix already has specified size and type. More... | |
void | create (Size size, int type) |
void | release () |
decreases reference counter; More... | |
void | swap (GpuMat &mat) |
swaps with other smart pointer More... | |
void | locateROI (Size &wholeSize, Point &ofs) const |
locates GpuMatrix header within a parent GpuMatrix. See below More... | |
GpuMat & | adjustROI (int dtop, int dbottom, int dleft, int dright) |
moves/resizes the current GpuMatrix ROI inside the parent GpuMatrix. More... | |
GpuMat | operator() (Range rowRange, Range colRange) const |
extracts a rectangular sub-GpuMatrix More... | |
GpuMat | operator() (Rect roi) const |
bool | isContinuous () const |
returns true iff the GpuMatrix data is continuous More... | |
size_t | elemSize () const |
returns element size in bytes, More... | |
size_t | elemSize1 () const |
returns the size of element channel in bytes. More... | |
int | type () const |
returns element type, similar to CV_MAT_TYPE(cvMat->type) More... | |
int | depth () const |
returns element type, similar to CV_MAT_DEPTH(cvMat->type) More... | |
int | channels () const |
returns element type, similar to CV_MAT_CN(cvMat->type) More... | |
size_t | step1 () const |
returns step/elemSize1() More... | |
Size | size () const |
returns GpuMatrix size: More... | |
bool | empty () const |
returns true if GpuMatrix data is NULL More... | |
uchar * | ptr (int y=0) |
returns pointer to y-th row More... | |
const uchar * | ptr (int y=0) const |
template<typename _Tp > | |
_Tp * | ptr (int y=0) |
template version of the above method More... | |
template<typename _Tp > | |
const _Tp * | ptr (int y=0) const |
template<typename _Tp > | |
operator PtrStepSz< _Tp > () const | |
template<typename _Tp > | |
operator PtrStep< _Tp > () const | |
template<typename _Tp > | |
__CV_GPU_DEPR_BEFORE__ | operator DevMem2D_< _Tp > () const __CV_GPU_DEPR_AFTER__ |
template<typename _Tp > | |
__CV_GPU_DEPR_BEFORE__ | operator PtrStep_< _Tp > () const __CV_GPU_DEPR_AFTER__ |
Public Attributes | |
int | flags |
includes several bit-fields: More... | |
int | rows |
the number of rows and columns More... | |
int | cols |
size_t | step |
a distance between successive rows in bytes; includes the gap if any More... | |
uchar * | data |
pointer to the data More... | |
int * | refcount |
pointer to the reference counter; More... | |
uchar * | datastart |
helper fields used in locateROI and adjustROI More... | |
uchar * | dataend |
Smart pointer for GPU memory with reference counting. Its interface is mostly similar with cv::Mat.
cv::gpu::GpuMat::GpuMat | ( | ) |
default constructor
constructs GpuMatrix of the specified size and type (_type is CV_8UC1, CV_64FC3, CV_32SC(12) etc.)
constucts GpuMatrix and fills it with the specified value _s.
cv::gpu::GpuMat::GpuMat | ( | const GpuMat & | m | ) |
copy constructor
cv::gpu::GpuMat::GpuMat | ( | int | rows, |
int | cols, | ||
int | type, | ||
void * | data, | ||
size_t | step = Mat::AUTO_STEP |
||
) |
constructor for GpuMatrix headers pointing to user-allocated data
cv::gpu::GpuMat::GpuMat | ( | Size | size, |
int | type, | ||
void * | data, | ||
size_t | step = Mat::AUTO_STEP |
||
) |
creates a matrix header for a part of the bigger matrix
|
explicit |
cv::gpu::GpuMat::~GpuMat | ( | ) |
destructor - calls release()
downloads data from device to host memory. Blocking calls.
... for the specified column span
GpuMat cv::gpu::GpuMat::clone | ( | ) | const |
returns deep copy of the GpuMatrix, i.e. the data is copied
copies those GpuMatrix elements to "m" that are marked with non-zero mask elements.
converts GpuMatrix to another datatype with optional scalng. See cvConvertScale.
sets some of the GpuMatrix elements to s, according to the mask
creates alternative GpuMatrix header for the same data, with different
allocates new GpuMatrix data unless the GpuMatrix already has specified size and type.
void cv::gpu::GpuMat::release | ( | ) |
decreases reference counter;
locates GpuMatrix header within a parent GpuMatrix. See below
moves/resizes the current GpuMatrix ROI inside the parent GpuMatrix.
extracts a rectangular sub-GpuMatrix
bool cv::gpu::GpuMat::isContinuous | ( | ) | const |
returns true iff the GpuMatrix data is continuous
size_t cv::gpu::GpuMat::elemSize | ( | ) | const |
returns element size in bytes,
size_t cv::gpu::GpuMat::elemSize1 | ( | ) | const |
returns the size of element channel in bytes.
int cv::gpu::GpuMat::type | ( | ) | const |
returns element type, similar to CV_MAT_TYPE(cvMat->type)
int cv::gpu::GpuMat::depth | ( | ) | const |
returns element type, similar to CV_MAT_DEPTH(cvMat->type)
int cv::gpu::GpuMat::channels | ( | ) | const |
returns element type, similar to CV_MAT_CN(cvMat->type)
size_t cv::gpu::GpuMat::step1 | ( | ) | const |
returns step/elemSize1()
Size cv::gpu::GpuMat::size | ( | ) | const |
returns GpuMatrix size:
bool cv::gpu::GpuMat::empty | ( | ) | const |
returns true if GpuMatrix data is NULL
_Tp * cv::gpu::GpuMat::ptr | ( | int | y = 0 | ) |
template version of the above method
const _Tp * cv::gpu::GpuMat::ptr | ( | int | y = 0 | ) | const |
cv::gpu::GpuMat::operator PtrStepSz< _Tp > | ( | ) | const |
cv::gpu::GpuMat::operator PtrStep< _Tp > | ( | ) | const |
__CV_GPU_DEPR_BEFORE__ cv::gpu::GpuMat::operator DevMem2D_< _Tp > | ( | ) | const |
__CV_GPU_DEPR_BEFORE__ cv::gpu::GpuMat::operator PtrStep_< _Tp > | ( | ) | const |
int cv::gpu::GpuMat::flags |
includes several bit-fields:
int cv::gpu::GpuMat::rows |
the number of rows and columns
int cv::gpu::GpuMat::cols |
size_t cv::gpu::GpuMat::step |
a distance between successive rows in bytes; includes the gap if any
uchar* cv::gpu::GpuMat::data |
pointer to the data
int* cv::gpu::GpuMat::refcount |
pointer to the reference counter;
uchar* cv::gpu::GpuMat::datastart |
helper fields used in locateROI and adjustROI
uchar* cv::gpu::GpuMat::dataend |