Add PauseCV

openVulkanoCpp/Base/PauseCV.hpp

@@ -0,0 +1,41 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include <condition_variable>
+#include <mutex>
+
+namespace OpenVulkano
+{
+	class PauseCV final
+	{
+		std::mutex m_mutex;
+		std::condition_variable m_condVar;
+		bool m_paused = false;
+
+	public:
+		void Pause() { m_paused = true; }
+
+		void Resume()
+		{
+			{
+				std::unique_lock lock(m_mutex);
+				m_paused = false;
+			}
+			m_condVar.notify_all();
+		}
+
+		void Check()
+		{
+			while (m_paused)
+			{
+				std::unique_lock l(m_mutex);
+				m_condVar.wait(l, [this]{ return !m_paused; });
+			}
+		}
+	};
+}