This version LGTM. Thanks for your patch, Rebecca.
Rong, I've also sent out a patchset to fix the problem I mentioned in previous 
e-mail:

> There is a bug in Beignet: cl_intel_motion_estimation is supported by 
> IVB only, but all devices show string cl_intel_motion_estimation in their 
> CL_DEVICE_EXTENSIONS. I'll work out a patch to fix this problem.

Patchset here:
        https://lists.freedesktop.org/archives/beignet/2016-October/008123.html
        https://lists.freedesktop.org/archives/beignet/2016-October/008124.html

Please push my patchset at first and then push Rebecca's patch. Otherwise there 
will be FAIL on non-IVB platform.

Thanks,
Chuanbo Weng
        

-----Original Message-----
From: Rebecca N. Palmer [mailto:rebecca_pal...@zoho.com] 
Sent: Thursday, October 13, 2016 6:38 AM
To: Weng, Chuanbo <chuanbo.w...@intel.com>; beignet@lists.freedesktop.org
Subject: Re: [Beignet] [PATCH v4] Utests: Allow testing cl_intel_accelerator 
via ICD

v3: Use extension check, not beignet check.  Treat claiming to have the 
extension but not having the kernel as a failure.
v4: Make extension check a function, use stderr.
---
> There is a bug in Beignet: cl_intel_motion_estimation is supported by 
> IVB only, but all devices show string cl_intel_motion_estimation in their 
> CL_DEVICE_EXTENSIONS. I'll work out a patch to fix this problem.
src/cl_extensions.c:72 - all Intel extensions are always "available", whether 
or not they work on the current device.

--- a/utests/builtin_kernel_block_motion_estimate_intel.cpp
+++ b/utests/builtin_kernel_block_motion_estimate_intel.cpp
@@ -8,6 +8,9 @@ OCLRELEASEACCELERATORINTEL * oclReleaseA
 
 void builtin_kernel_block_motion_estimate_intel(void)
 {
+  if (!cl_check_motion_estimation()) {
+    return;
+  }
   char* built_in_kernel_names;
   size_t built_in_kernels_size;
   cl_int err = CL_SUCCESS;
@@ -21,7 +24,8 @@ void builtin_kernel_block_motion_estimat
   if (strstr(built_in_kernel_names, "block_motion_estimate_intel") == NULL)
   {
         free(built_in_kernel_names);
-        return;
+        fprintf(stderr, "Can't find block_motion_estimate_intel built-in 
kernel");
+        OCL_ASSERT(0);
   }
 
   cl_program built_in_prog = clCreateProgramWithBuiltInKernels(ctx, 1, 
&device, built_in_kernel_names, &err);
--- a/utests/CMakeLists.txt
+++ b/utests/CMakeLists.txt
@@ -287,7 +287,8 @@ set (utests_sources
   multi_queue_events.cpp
   compiler_mix.cpp
   compiler_math_3op.cpp
-  compiler_bsort.cpp)
+  compiler_bsort.cpp
+  builtin_kernel_block_motion_estimate_intel.cpp)
 
 if (LLVM_VERSION_NODOT VERSION_GREATER 34)
   SET(utests_sources
@@ -328,7 +329,6 @@ else(GEN_PCI_ID)
 endif(GEN_PCI_ID)
 
 if (NOT_BUILD_STAND_ALONE_UTEST)
-  SET(utests_sources ${utests_sources} 
builtin_kernel_block_motion_estimate_intel.cpp)
   ADD_CUSTOM_TARGET(kernel_bin.bin DEPENDS ${kernel_bin}.bin)  endif 
(NOT_BUILD_STAND_ALONE_UTEST)
 
--- a/utests/utest_helper.cpp
+++ b/utests/utest_helper.cpp
@@ -875,6 +875,24 @@ int cl_check_beignet(void)
   return 1;
 }
 
+int cl_check_motion_estimation(void)
+{
+  std::string extStr;
+  size_t param_value_size;
+  OCL_CALL(clGetDeviceInfo, device, CL_DEVICE_EXTENSIONS, 0, 0, 
+&param_value_size);
+  std::vector<char> param_value(param_value_size);
+  OCL_CALL(clGetDeviceInfo, device, CL_DEVICE_EXTENSIONS, param_value_size,
+           param_value.empty() ? NULL : &param_value.front(), 
+&param_value_size);
+  if (!param_value.empty())
+    extStr = std::string(&param_value.front(), param_value_size-1);
+
+  if (std::strstr(extStr.c_str(), "cl_intel_motion_estimation") == NULL) {
+    printf("No cl_intel_motion_estimation, Skip!");
+    return 0;
+  }
+  return 1;
+}
+
 int cl_check_subgroups(void)
 {
   std::string extStr;
--- a/utests/utest_helper.hpp
+++ b/utests/utest_helper.hpp
@@ -307,6 +307,9 @@ typedef cl_int(clGetKernelSubGroupInfoKH
                                               size_t *);  extern 
clGetKernelSubGroupInfoKHR_cb* utestclGetKernelSubGroupInfoKHR;
 
+/* Check if cl_intel_motion_estimation enabled. */ extern int 
+cl_check_motion_estimation(void);
+
 /* Check is cl version 2.0. */
 extern int cl_check_ocl20(void);
 

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