1 files changed, 64 insertions, 0 deletions
diff --git a/runtime/neurun/api/src/CustomKernelRegistry.cc b/runtime/neurun/api/src/CustomKernelRegistry.cc
new file mode 100644
index 000000000..b223682b8
--- /dev/null
+++ b/runtime/neurun/api/src/CustomKernelRegistry.cc
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "CustomKernelRegistry.h"
+
+#include "cpp14/memory.h"
+
+namespace neurun
+{
+namespace frontend
+{
+namespace custom
+{
+
+void KernelRegistry::registerKernel(const std::string &id, nnfw_custom_eval evalFunction)
+{
+  _storage.emplace(id, evalFunction);
+}
+
+std::shared_ptr<backend::custom::IKernelBuilder> KernelRegistry::getBuilder()
+{
+  return nnfw::cpp14::make_unique<KernelBuilder>(this);
+}
+
+std::unique_ptr<Kernel> KernelRegistry::buildKernelForOp(const std::string &id)
+{
+  auto it = _storage.find(id);
+  if (it == _storage.end())
+  {
+    throw std::runtime_error("Unable to find associated kernel for op");
+  }
+
+  return nnfw::cpp14::make_unique<Kernel>(it->second);
+}
+
+// Kernel builder
+std::unique_ptr<exec::IFunction>
+KernelBuilder::buildKernel(const std::string &id,
+                           backend::custom::CustomKernelConfigParams &&params) const
+{
+  auto kernel = _registry->buildKernelForOp(id);
+  kernel->configure(std::move(params));
+
+  return kernel;
+}
+
+KernelBuilder::KernelBuilder(KernelRegistry *registry) : _registry(registry) {}
+
+} // namespace custom
+} // namespace frontend
+} // namespace neurun