Added Timer and FPSCounter

src/RenderLibrary/FPSCounter.cpp

@@ -0,0 +1,27 @@
+#include "StdAfx.h"
+
+#include <chrono>
+#include <iostream>
+#include "FPSCounter.hpp"
+
+using namespace RenderLibary;
+
+FPSCounter::FPSCounter() : _frame_count(0), _fps(0) 
+{
+    _last_time = std::chrono::high_resolution_clock::now();
+}
+
+void FPSCounter::update()
+{
+    _frame_count++;
+    auto now = std::chrono::high_resolution_clock::now();
+    std::chrono::duration<double> elapsed = now - _last_time;
+
+    if (elapsed.count() >= 1.0) 
+    {
+        _fps = _frame_count / elapsed.count();
+        _frame_count = 0;
+        _last_time = now;
+        std::cout << "FPS: " << _fps << std::endl;
+    }
+}

src/RenderLibrary/FPSCounter.hpp

@@ -0,0 +1,19 @@
+#pragma once
+
+namespace RenderLibary
+{
+    class FPSCounter final
+    {
+    public:
+        FPSCounter();
+        ~FPSCounter() = default;
+
+        void update();
+
+    private:
+        double _fps;
+        int _frame_count;
+
+        std::chrono::high_resolution_clock::time_point _last_time;
+    };
+}

src/RenderLibrary/RenderLibrary.vcxproj

@@ -170,21 +170,25 @@
     <ClCompile Include="Exports.cpp" />
     <ClCompile Include="FabricCustomWindow.cpp" />
     <ClCompile Include="FabricNativeWindow.cpp" />
+    <ClCompile Include="FPSCounter.cpp" />
     <ClCompile Include="Memory.cpp" />
     <ClCompile Include="StdAfx.cpp">
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">Create</PrecompiledHeader>
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">Create</PrecompiledHeader>
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">Create</PrecompiledHeader>
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|x64'">Create</PrecompiledHeader>
     </ClCompile>
+    <ClCompile Include="Timer.cpp" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="CreateDirectXDevice.hpp" />
     <ClInclude Include="Exports.hpp" />
     <ClInclude Include="FabricCustomWindow.hpp" />
     <ClInclude Include="FabricNativeWindow.hpp" />
+    <ClInclude Include="FPSCounter.hpp" />
     <ClInclude Include="Memory.hpp" />
     <ClInclude Include="StdAfx.h" />
+    <ClInclude Include="Timer.hpp" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">

src/RenderLibrary/RenderLibrary.vcxproj.filters

@@ -15,6 +15,8 @@
     <ClCompile Include="FabricCustomWindow.cpp" />
     <ClCompile Include="Memory.cpp" />
     <ClCompile Include="CreateDirectXDevice.cpp" />
+    <ClCompile Include="Timer.cpp" />
+    <ClCompile Include="FPSCounter.cpp" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="FabricNativeWindow.hpp" />
@@ -23,5 +25,7 @@
     <ClInclude Include="FabricCustomWindow.hpp" />
     <ClInclude Include="Memory.hpp" />
     <ClInclude Include="CreateDirectXDevice.hpp" />
+    <ClInclude Include="Timer.hpp" />
+    <ClInclude Include="FPSCounter.hpp" />
   </ItemGroup>
 </Project>

src/RenderLibrary/Timer.cpp

@@ -0,0 +1,24 @@
+#include "StdAfx.h"
+
+#include <chrono>
+#include "Timer.hpp"
+
+using namespace RenderLibary;
+
+Timer::Timer() : _start_time(std::chrono::high_resolution_clock::now()) 
+{
+
+}
+
+void Timer::reset() 
+{
+    _start_time = std::chrono::high_resolution_clock::now();
+}
+
+double Timer::elapsed() const 
+{
+    auto end_time = std::chrono::high_resolution_clock::now();
+    std::chrono::duration<double> diff = end_time - _start_time;
+
+    return diff.count();
+}

src/RenderLibrary/Timer.hpp

@@ -0,0 +1,18 @@
+#pragma once
+
+namespace RenderLibary
+{
+    class Timer final
+    {
+    public:
+        Timer();
+        ~Timer() = default;
+
+        void reset();
+        double elapsed() const;
+
+    private:
+        std::chrono::high_resolution_clock::time_point _start_time;
+    };
+}
+