basic glfw app setup

src/Application.cpp

@@ -0,0 +1,47 @@
+#include "Application.hpp"
+
+#include <stdexcept>
+#include <sstream>
+#include <GLFW/glfw3.h>
+
+Application::~Application()
+{
+	if (window != nullptr) 
+	{
+		glfwDestroyWindow(window);
+		window = nullptr;
+	}
+
+	glfwTerminate();
+}
+
+void Application::Init(int width, int height, const std::string& title)
+{
+	if(window == nullptr)
+		glfwInit();
+
+	window = glfwCreateWindow(width, height, title.c_str(), NULL, NULL);
+	if (window == nullptr)
+	{
+		const char* errorbuf;
+		int errorcode = glfwGetError(&errorbuf);
+
+		glfwTerminate();
+
+		std::stringstream errorstream;
+		errorstream << "Failed to create GLFWwindow (" << errorcode << "): \n" << errorbuf << std::endl;
+		throw std::runtime_error(errorstream.str());
+	}
+
+	glfwMakeContextCurrent(window);
+}
+
+void Application::Launch()
+{
+	while (!glfwWindowShouldClose(window))
+	{
+		glfwPollEvents();
+
+		glfwSwapBuffers(window);
+	}
+}