Itseez/opencv — pull request #2820 by ilya-lavrenov (2014-06-02 10:51:07+00:00)
Title: T-API: cv::flip optimization for CV_8UC1

merge after https://github.com/Itseez/opencv/pull/2757

check_regression=*OCL*Flip*
test_modules=core
test_filter=*OCL*Flip*
build_examples=OFF

New approach with compare to the previous one:
```
Flip::OCL_FlipFixture::(640x480, 8UC1, FLIP_BOTH) 0.230 ms 0.194 ms 1.19
Flip::OCL_FlipFixture::(640x480, 8UC1, FLIP_COLS) 0.212 ms 0.149 ms 1.42
Flip::OCL_FlipFixture::(640x480, 8UC1, FLIP_ROWS) 0.210 ms 0.158 ms 1.33
Flip::OCL_FlipFixture::(1280x720, 8UC1, FLIP_BOTH) 0.299 ms 0.221 ms 1.35
Flip::OCL_FlipFixture::(1280x720, 8UC1, FLIP_COLS) 0.289 ms 0.195 ms 1.48
Flip::OCL_FlipFixture::(1280x720, 8UC1, FLIP_ROWS) 0.287 ms 0.213 ms 1.35
Flip::OCL_FlipFixture::(1920x1080, 8UC1, FLIP_BOTH) 0.330 ms 0.202 ms 1.63
Flip::OCL_FlipFixture::(1920x1080, 8UC1, FLIP_COLS) 0.319 ms 0.205 ms 1.55
Flip::OCL_FlipFixture::(1920x1080, 8UC1, FLIP_ROWS) 0.323 ms 0.228 ms 1.42
Flip::OCL_FlipFixture::(3840x2160, 8UC1, FLIP_BOTH) 1.553 ms 0.916 ms 1.70
Flip::OCL_FlipFixture::(3840x2160, 8UC1, FLIP_COLS) 1.613 ms 0.870 ms 1.85
Flip::OCL_FlipFixture::(3840x2160, 8UC1, FLIP_ROWS) 1.606 ms 0.852 ms 1.89
```