change the download channels to oclchannles() fix bugs of arithm functions perf fix of bilateral bug fix of split test case add build_warps functions
add remap
add OCL 1.2 feature for setTo bug fix of integral replace the error code -217 with suitable MACRO simplify tests, no need apply a new context for each test case add more control for tests in utility.hpp
Signed-off-by: yao <bitwangyaoyao@gmail.com>