- weights are unaligned in dasiamprn sample (comes from numpy)

Allow cv::cuda::Event to accept combinations of flags

tiff need check TIFFTAG_SAMPLEFORMAT, should not always use unsigned.

We only use that value as uint64_t below anyway.

* Use c++ namespaces explicitly

* Add root cv c++ namespace

resolves: #21406

use constructors consistently

GAPI: Move Resize kernel from core to imgproc

* Move Resize kernel from core to imgproc

* Applied style comments

* Adding backward compatibility

* Applied Asya PR

- exceptions are catched by fallback CPU path
- OPENCV_OPENCL_ABORT_ON_BUILD_ERROR (disabled by default)