feat: initial DX12 foundation framework

EngineTest/Test.h

@@ -0,0 +1,72 @@
+/**
+ * @file Test.h
+ * @brief 测试基类与计时工具定义。
+ */
+#pragma once
+#include <thread>
+#include <chrono>
+#include <string>
+#include <iostream>
+#include "Id.h"
+
+
+#define TEST_ENTITY_COMPONENTS 0
+#define TEST_WINDOW_COMPONENTS 0
+#define TEST_RENDERER 1
+
+class Test
+{
+public:
+	virtual bool initialize() = 0;
+	virtual void run() = 0;
+	virtual bool shutdown() = 0;
+};
+
+#if _WIN64
+#include <Windows.h>
+class time_it
+{
+public:
+	using clock = std::chrono::high_resolution_clock;
+	using time_stamp = std::chrono::steady_clock::time_point;
+
+	constexpr float dt_avg() const { return _dt_avg * 1e-3f; }
+	void begin()
+	{
+		_start = clock::now();
+	}
+
+	void end()
+	{
+
+		auto dt = clock::now() - _start;
+		_msg_avg += ((float)std::chrono::duration_cast<std::chrono::milliseconds>(dt).count() - _msg_avg) / (float)_counter;
+		++_counter;
+		_dt_avg = _msg_avg;
+
+		if (std::chrono::duration_cast<std::chrono::seconds>(clock::now() - _seconds).count() >= 1)
+		{
+			OutputDebugStringA("Avg. frame (ms): ");
+			OutputDebugStringA(std::to_string(_msg_avg).c_str());
+			OutputDebugStringA((" " + std::to_string(_counter)).c_str());
+			OutputDebugStringA(" fps");
+			OutputDebugStringA("\n");
+			_msg_avg = 0.f;
+			_counter = 1;
+			_seconds = clock::now();
+		}
+
+	}
+
+
+
+private:
+	float			_dt_avg{ 16.7f };
+	float			_msg_avg{ 0.f };
+	int				_counter{ 1 };
+	time_stamp		_start;
+	time_stamp		_seconds{ clock::now() };
+};
+
+
+#endif