Itseez/opencv — pull request #3121 by akarsakov (2014-08-18 14:27:14+00:00)
Title: OCL: DFT fix

**WIP**
Attempt to stabilize performance tests results for DFT: changed twiddle buffer creation to use OCL buffer pool.

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