#include "Window.h" #include "BengineErrors.h" namespace Bengine { Window::Window() { } Window::~Window() { } int Window::create(std::string windowName, int screenWidth, int screenHeight, unsigned int currentFlags) { Uint32 flags = SDL_WINDOW_OPENGL; _screenWidth = screenWidth; _screenHeight = screenHeight; if (currentFlags & INVISIBLE) { flags |= SDL_WINDOW_HIDDEN; } if (currentFlags & FULLSCREEN) { flags |= SDL_WINDOW_FULLSCREEN_DESKTOP; } if (currentFlags & BORDERLESS) { flags |= SDL_WINDOW_BORDERLESS; } //Open an SDL window _sdlWindow = SDL_CreateWindow(windowName.c_str(), SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, screenWidth, screenHeight, flags); if (_sdlWindow == nullptr) { fatalError("SDL Window could not be created!"); } //Set up our OpenGL context SDL_GLContext glContext = SDL_GL_CreateContext(_sdlWindow); if (glContext == nullptr) { fatalError("SDL_GL context could not be created!"); } //Set up glew (optional but recommended) GLenum error = glewInit(); if (error != GLEW_OK) { fatalError("Could not initialize glew!"); } //Check the OpenGL version std::printf("*** OpenGL Version: %s ***\n", glGetString(GL_VERSION)); //Set the background color to blue glClearColor(0.0f, 0.0f, 1.0f, 1.0f); //Set VSYNC SDL_GL_SetSwapInterval(0); // Enable alpha blend glEnable(GL_BLEND); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); return 0; } void Window::swapBuffer() { SDL_GL_SwapWindow(_sdlWindow); } }