Merge pull request opencv#6467 from ohnozzy:Doc-for-ocl-Kernel-Run

modules/core/include/opencv2/core/ocl.hpp

@@ -567,7 +567,18 @@ class CV_EXPORTS Kernel
         i = set(i, a6); i = set(i, a7); i = set(i, a8); i = set(i, a9); i = set(i, a10); i = set(i, a11);
         i = set(i, a12); i = set(i, a13); i = set(i, a14); set(i, a15); return *this;
     }
-
+    /*
+    Run the OpenCL kernel.
+    @param dims the work problem dimensions. It is the length of globalsize and localsize. It can be either 1, 2 or 3.
+    @param globalsize work items for each dimension.
+    It is not the final globalsize passed to OpenCL.
+    Each dimension will be adjusted to the nearest integer divisible by the corresponding value in localsize.
+    If localsize is NULL, it will still be adjusted depending on dims.
+    The adjusted values are greater than or equal to the original values.
+    @param localsize work-group size for each dimension.
+    @param sync specify whether to wait for OpenCL computation to finish before return.
+    @param q command queue
+    */
     bool run(int dims, size_t globalsize[],
              size_t localsize[], bool sync, const Queue& q=Queue());
     bool runTask(bool sync, const Queue& q=Queue());