diff --git a/modules/ocl/src/arithm.cpp b/modules/ocl/src/arithm.cpp
index 7d97e67545..f34e0f730f 100644
--- a/modules/ocl/src/arithm.cpp
+++ b/modules/ocl/src/arithm.cpp
@@ -614,7 +614,7 @@ double cv::ocl::norm(const oclMat &src1, const oclMat &src2, int normType)
     CV_Assert(!src1.empty());
     CV_Assert(src2.empty() || (src1.type() == src2.type() && src1.size() == src2.size()));
 
-    if (!src1.clCxt->supportsFeature(Context::CL_DOUBLE) && src1.depth() == CV_64F)
+    if (!src1.clCxt->supportsFeature(FEATURE_CL_DOUBLE) && src1.depth() == CV_64F)
     {
         CV_Error(CV_GpuNotSupported, "Selected device doesn't support double");
     }
@@ -1261,7 +1261,7 @@ int cv::ocl::countNonZero(const oclMat &src)
         CV_Error(CV_GpuNotSupported, "selected device doesn't support double");
     }
 
-    size_t groupnum = src.clCxt->computeUnits();
+    size_t groupnum = src.clCxt->getDeviceInfo().maxComputeUnits;
     CV_Assert(groupnum != 0);
     int dbsize = groupnum;
 
@@ -1708,7 +1708,7 @@ void cv::ocl::pow(const oclMat &x, double p, oclMat &y)
 void cv::ocl::setIdentity(oclMat& src, const Scalar & scalar)
 {
     Context  *clCxt = Context::getContext();
-    if (!clCxt->supportsFeature(Context::CL_DOUBLE) && src.depth() == CV_64F)
+    if (!clCxt->supportsFeature(FEATURE_CL_DOUBLE) && src.depth() == CV_64F)
     {
         CV_Error(CV_GpuNotSupported, "Selected device doesn't support double\r\n");
         return;
diff --git a/modules/ocl/src/svm.cpp b/modules/ocl/src/svm.cpp
index c3df581f40..311bd7d98f 100644
--- a/modules/ocl/src/svm.cpp
+++ b/modules/ocl/src/svm.cpp
@@ -43,9 +43,13 @@
 //
 //M*/
 #include "precomp.hpp"
+#include "opencl_kernels.hpp"
+
 using namespace cv;
 using namespace ocl;
 
+namespace cv { namespace ocl {
+
 #if 1
 typedef float Qfloat;
 #define QFLOAT_TYPE CV_32F
@@ -54,14 +58,6 @@ typedef double Qfloat;
 #define QFLOAT_TYPE CV_64F
 #endif
 
-namespace cv
-{
-namespace ocl
-{
-///////////////////////////OpenCL kernel strings///////////////////////////
-extern const char *svm;
-}
-}
 class CvSVMKernel_ocl: public CvSVMKernel
 {
 public:
@@ -612,7 +608,7 @@ static void matmul_rbf(oclMat& src, oclMat& src_e, oclMat& dst, int src_rows, in
     args.push_back(make_pair(sizeof(cl_int), (void* )&src2_cols));
     args.push_back(make_pair(sizeof(cl_int), (void* )&width));
     float gamma = 0.0f;
-    if(!Context::getContext()->supportsFeature(Context::CL_DOUBLE))
+    if(!Context::getContext()->supportsFeature(FEATURE_CL_DOUBLE))
     {
         gamma = (float)gamma1;
         args.push_back(make_pair(sizeof(cl_float), (void* )&gamma));
@@ -748,7 +744,7 @@ float CvSVM_OCL::predict(const CvMat* samples, CV_OUT CvMat* results) const
     if(params.kernel_type == CvSVM::RBF)
     {
         sv_.upload(sv_temp);
-        if(!Context::getContext()->supportsFeature(Context::CL_DOUBLE))
+        if(!Context::getContext()->supportsFeature(FEATURE_CL_DOUBLE))
         {
             dst = oclMat(sample_count, sv_total, CV_32FC1);
         }
@@ -886,7 +882,7 @@ bool CvSVMSolver_ocl::solve_generic( CvSVMSolutionInfo& si )
     if(params->kernel_type == CvSVM::RBF)
     {
         src_e = src;
-        if(!Context::getContext()->supportsFeature(Context::CL_DOUBLE))
+        if(!Context::getContext()->supportsFeature(FEATURE_CL_DOUBLE))
         {
             dst = oclMat(sample_count, sample_count, CV_32FC1);
         }
@@ -1053,7 +1049,7 @@ void CvSVMKernel_ocl::calc( int vcount, const int row_idx, Qfloat* results, Mat&
     //int j;
     (this->*calc_func_ocl)( vcount, row_idx, results, src);
 
-#if defined HAVE_CLAMDBLAS
+// FIXIT #if defined HAVE_CLAMDBLAS
     const Qfloat max_val = (Qfloat)(FLT_MAX * 1e-3);
     int j;
     for( j = 0; j < vcount; j++ )
@@ -1063,7 +1059,7 @@ void CvSVMKernel_ocl::calc( int vcount, const int row_idx, Qfloat* results, Mat&
             results[j] = max_val;
         }
     }
-#endif
+// FIXIT #endif
 }
 bool CvSVMKernel_ocl::create( const CvSVMParams* _params, Calc_ocl _calc_func, Calc _calc_func1 )
 {
@@ -1115,7 +1111,7 @@ void CvSVMKernel_ocl::calc_non_rbf_base( int vcount, const int row_idx, Qfloat*
 }
 void CvSVMKernel_ocl::calc_rbf( int vcount, const int row_idx, Qfloat* results, Mat& src)
 {
-    if(!Context::getContext()->supportsFeature(Context::CL_DOUBLE))
+    if(!Context::getContext()->supportsFeature(FEATURE_CL_DOUBLE))
     {
         for(int m = 0; m < vcount; m++)
         {
@@ -1140,14 +1136,14 @@ void CvSVMKernel_ocl::calc_poly( int vcount, const int row_idx, Qfloat* results,
 
     calc_non_rbf_base( vcount, row_idx, results, src);
 
-#if defined HAVE_CLAMDBLAS
+//FIXIT #if defined HAVE_CLAMDBLAS
 
     CvMat R = cvMat( 1, vcount, QFLOAT_TYPE, results );
     if( vcount > 0 )
     {
         cvPow( &R, &R, params->degree );
     }
-#endif
+//FIXIT #endif
 }
 
 
@@ -1155,11 +1151,11 @@ void CvSVMKernel_ocl::calc_sigmoid( int vcount, const int row_idx, Qfloat* resul
 {
     calc_non_rbf_base( vcount, row_idx, results, src);
     // TODO: speedup this
-#if defined HAVE_CLAMDBLAS
+//FIXIT #if defined HAVE_CLAMDBLAS
     for(int j = 0; j < vcount; j++ )
     {
         Qfloat t = results[j];
-        double e = exp(-fabs(t));
+        double e = ::exp(-fabs(t));
         if( t > 0 )
         {
             results[j] = (Qfloat)((1. - e) / (1. + e));
@@ -1169,7 +1165,7 @@ void CvSVMKernel_ocl::calc_sigmoid( int vcount, const int row_idx, Qfloat* resul
             results[j] = (Qfloat)((e - 1.) / (e + 1.));
         }
     }
-#endif
+//FIXIT #endif
 }
 CvSVM_OCL::CvSVM_OCL()
 {
@@ -1199,3 +1195,5 @@ void CvSVM_OCL::create_solver( )
 {
     solver = new CvSVMSolver_ocl(&params);
 }
+
+} }
diff --git a/modules/ocl/test/test_matrix_operation.cpp b/modules/ocl/test/test_matrix_operation.cpp
index 46e077a6bb..bc8cdf2bb3 100644
--- a/modules/ocl/test/test_matrix_operation.cpp
+++ b/modules/ocl/test/test_matrix_operation.cpp
@@ -132,7 +132,7 @@ typedef ConvertToTestBase ConvertTo;
 TEST_P(ConvertTo, Accuracy)
 {
     if((src_depth == CV_64F || dst_depth == CV_64F) &&
-            !cv::ocl::Context::getContext()->supportsFeature(cv::ocl::Context::CL_DOUBLE))
+            !cv::ocl::Context::getContext()->supportsFeature(cv::ocl::FEATURE_CL_DOUBLE))
     {
         return; // returns silently
     }
@@ -228,7 +228,7 @@ typedef CopyToTestBase CopyTo;
 TEST_P(CopyTo, Without_mask)
 {
     if((src.depth() == CV_64F) &&
-            !cv::ocl::Context::getContext()->supportsFeature(cv::ocl::Context::CL_DOUBLE))
+            !cv::ocl::Context::getContext()->supportsFeature(cv::ocl::FEATURE_CL_DOUBLE))
     {
         return; // returns silently
     }
@@ -246,7 +246,7 @@ TEST_P(CopyTo, Without_mask)
 TEST_P(CopyTo, With_mask)
 {
     if(src.depth() == CV_64F &&
-        !cv::ocl::Context::getContext()->supportsFeature(cv::ocl::Context::CL_DOUBLE))
+        !cv::ocl::Context::getContext()->supportsFeature(cv::ocl::FEATURE_CL_DOUBLE))
     {
         return; // returns silently
     }
@@ -342,7 +342,7 @@ typedef SetToTestBase SetTo;
 TEST_P(SetTo, Without_mask)
 {
     if(depth == CV_64F &&
-            !cv::ocl::Context::getContext()->supportsFeature(cv::ocl::Context::CL_DOUBLE))
+            !cv::ocl::Context::getContext()->supportsFeature(cv::ocl::FEATURE_CL_DOUBLE))
     {
         return; // returns silently
     }
@@ -360,7 +360,7 @@ TEST_P(SetTo, Without_mask)
 TEST_P(SetTo, With_mask)
 {
     if(depth == CV_64F &&
-            !cv::ocl::Context::getContext()->supportsFeature(cv::ocl::Context::CL_DOUBLE))
+            !cv::ocl::Context::getContext()->supportsFeature(cv::ocl::FEATURE_CL_DOUBLE))
     {
         return; // returns silently
     }
@@ -430,7 +430,7 @@ PARAM_TEST_CASE(convertC3C4, MatType, bool)
 TEST_P(convertC3C4, Accuracy)
 {
     if(depth == CV_64F &&
-        !cv::ocl::Context::getContext()->supportsFeature(cv::ocl::Context::CL_DOUBLE))
+        !cv::ocl::Context::getContext()->supportsFeature(cv::ocl::FEATURE_CL_DOUBLE))
     {
         return; // returns silently
     }