KEYPOINT_X         30 modules/features2d/src/opencl/orb.cl             (kpt[KEYPOINT_Y] - blockSize/2)*imgstep + (kpt[KEYPOINT_X] - blockSize/2);
KEYPOINT_X         98 modules/features2d/src/opencl/orb.cl             kpt[KEYPOINT_Y]*imgstep + kpt[KEYPOINT_X];
KEYPOINT_X        147 modules/features2d/src/opencl/orb.cl                                 kpt[KEYPOINT_Y]*imgstep + kpt[KEYPOINT_X];