root/modules/imgproc/test/ocl/

[..]
  1. test_accumulate.cpp
  2. test_blend.cpp
  3. test_boxfilter.cpp
  4. test_canny.cpp
  5. test_color.cpp
  6. test_filter2d.cpp
  7. test_filters.cpp
  8. test_gftt.cpp
  9. test_histogram.cpp
  10. test_houghlines.cpp
  11. test_imgproc.cpp
  12. test_match_template.cpp
  13. test_medianfilter.cpp
  14. test_pyramids.cpp
  15. test_sepfilter2D.cpp
  16. test_warp.cpp
[..]