From c58e0d5d7331aaf4da4efe4b92e378de0596f6dc Mon Sep 17 00:00:00 2001
From: yao <bitwangyaoyao@gmail.com>
Date: Fri, 24 May 2013 13:46:21 +0800
Subject: [PATCH] fix hog

---
 modules/ocl/src/hog.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/modules/ocl/src/hog.cpp b/modules/ocl/src/hog.cpp
index 9c8f315ec5..ae74ed59d1 100644
--- a/modules/ocl/src/hog.cpp
+++ b/modules/ocl/src/hog.cpp
@@ -1578,7 +1578,8 @@ static void openCLExecuteKernel_hog(Context *clCxt , const char **source, string
                                     size_t globalThreads[3], size_t localThreads[3], 
                                     vector< pair<size_t, const void *> > &args)
 {
-    size_t wave_size = queryDeviceInfo<WAVEFRONT_SIZE, size_t>();
+    cl_kernel kernel = openCLGetKernelFromSource(clCxt, source, kernelName);
+    size_t wave_size = queryDeviceInfo<WAVEFRONT_SIZE, size_t>(kernel);
     if (wave_size <= 16)
     {
         char build_options[64];