1 files changed, 78 insertions, 0 deletions
diff --git a/thirdparty/oidn/core/device.h b/thirdparty/oidn/core/device.h
new file mode 100644
index 0000000000..93a83eb731
--- /dev/null
+++ b/thirdparty/oidn/core/device.h
@@ -0,0 +1,78 @@
+// ======================================================================== //
+// Copyright 2009-2019 Intel Corporation                                    //
+//                                                                          //
+// 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.                                           //
+// ======================================================================== //
+
+#pragma once
+
+#include "common.h"
+
+namespace oidn {
+
+  class Buffer;
+  class Filter;
+
+  class Device : public RefCount, public Verbose
+  {
+  private:
+    // Thread-safety
+    std::mutex mutex;
+
+    // Error handling
+    struct ErrorState
+    {
+      Error code = Error::None;
+      std::string message;
+    };
+
+    static thread_local ErrorState globalError;
+    ThreadLocal<ErrorState> error;
+    ErrorFunction errorFunc = nullptr;
+    void* errorUserPtr = nullptr;
+
+    // Parameters
+    int numThreads = 0; // autodetect by default
+    bool setAffinity = true;
+
+    bool dirty = true;
+
+  public:
+    Device();
+    ~Device();
+
+    static void setError(Device* device, Error code, const std::string& message);
+    static Error getError(Device* device, const char** outMessage);
+
+    void setErrorFunction(ErrorFunction func, void* userPtr);
+
+    int get1i(const std::string& name);
+    void set1i(const std::string& name, int value);
+
+    void commit();
+
+    Ref<Buffer> newBuffer(size_t byteSize);
+    Ref<Buffer> newBuffer(void* ptr, size_t byteSize);
+    Ref<Filter> newFilter(const std::string& type);
+
+    __forceinline Device* getDevice() { return this; }
+    __forceinline std::mutex& getMutex() { return mutex; }
+
+  private:
+    bool isCommitted() const { return false; }
+    void checkCommitted();
+
+    void print();
+  };
+
+} // namespace oidn