Remove unnecesary OpenCL kernel compilation to 3.0

Author: Beanavil

samples/extensions/khr/externalmemory/main.c

@@ -354,36 +354,10 @@ int main(int argc, char* argv[])
                      context, 1, (const char**)&kernel, &program_size, &error),
                  error, ker);
 
-    // The Khronos extension showcased requires OpenCL 3.0 version.
-    // Get number of versions supported.
-    size_t versions_size = 0;
-    OCLERROR_RET(clGetDeviceInfo(cl_device, CL_DEVICE_OPENCL_C_ALL_VERSIONS, 0,
-                                 NULL, &versions_size),
-                 error, prg);
-    size_t versions_count = versions_size / sizeof(cl_name_version);
-
-    // Get and check versions.
-    cl_name_version* dev_versions = (cl_name_version*)malloc(versions_size);
-    OCLERROR_RET(clGetDeviceInfo(cl_device, CL_DEVICE_OPENCL_C_ALL_VERSIONS,
-                                 versions_size, dev_versions, NULL),
-                 error, prg);
-    char compiler_options[1024] = "";
-    for (cl_uint i = 0; i < versions_count; ++i)
-    {
-        if (opencl_version_is_major(&dev_versions[i], 3))
-        {
-            strcat(compiler_options, "-cl-std=CL3.0 ");
-        }
-    }
-
-    if (compiler_options[0] == '\0')
-    {
-        fprintf(stderr, "\nError: OpenCL version must be at least 3.0\n");
-        exit(EXIT_FAILURE);
-    }
-
-    OCLERROR_RET(cl_util_build_program(program, cl_device, compiler_options),
-                 error, prg);
+    // Build OpenCL executable.
+    OCLERROR_RET(
+        cl_util_build_program(program, cl_device, NULL /*compiler_options*/),
+        error, prg);
 
     // Query maximum workgroup size (WGS) supported based on private mem
     // (registers) constraints.

samples/extensions/khr/externalmemory/main.cpp

@@ -271,26 +271,8 @@ int main(int argc, char* argv[])
                          std::istreambuf_iterator<char>{} }
         };
 
-        // The Khronos extension showcased requires OpenCL 3.0 version.
-        cl::string compiler_options = "";
-        std::vector<cl_name_version> dev_versions =
-            cl_device.getInfo<CL_DEVICE_OPENCL_C_ALL_VERSIONS>();
-        for (cl_name_version dev_name_version : dev_versions)
-        {
-            if (opencl_version_is_major(dev_name_version, 3))
-            {
-                compiler_options += cl::string{ "-cl-std=CL3.0 " };
-            }
-        }
-
-        if (compiler_options.empty())
-        {
-            std::cerr << "\nError: OpenCL version must be at least 3.0"
-                      << std::endl;
-            exit(EXIT_FAILURE);
-        }
-
-        cl_program.build(cl_device, compiler_options.c_str());
+        // Build OpenCL executable.
+        cl_program.build(cl_device);
 
         // Query maximum workgroup size (WGS) supported based on private mem
         // (registers) constraints.