src/graphics/window.cpp

   1 #include "window.hpp"
   2
   3 #include "../app/error.hpp"
   4
   5 #include <stdexcept>
   6 #include <string>
   7 #include <GL/glew.h>
   8
   9
  10 namespace tacos {
  11
  12 Window::Window(int width, int height) {
  13         window = SDL_CreateWindow(
  14                 "tacos", // title
  15                 SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, // position
  16                 width, height, // size
  17                 SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE // flags
  18         );
  19         if (!window) {
  20                 throw SDLError("SDL_CreateWindow");
  21         }
  22         context = SDL_GL_CreateContext(window);
  23         if (!context) {
  24                 SDL_DestroyWindow(window);
  25                 throw SDLError("SDL_GL_CreateContext");
  26         }
  27         glewExperimental = GL_TRUE;
  28         GLenum err = glewInit();
  29         if (err != GLEW_OK) {
  30                 SDL_GL_DeleteContext(context);
  31                 SDL_DestroyWindow(window);
  32                 std::string msg("glewInit: ");
  33                 msg += reinterpret_cast<const char *>(glewGetErrorString(err));
  34                 throw std::runtime_error(msg);
  35         }
  36 }
  37
  38 Window::~Window() noexcept {
  39         SDL_GL_DeleteContext(context);
  40         SDL_DestroyWindow(window);
  41 }
  42
  43 void Window::Flip() noexcept {
  44         SDL_GL_SwapWindow(window);
  45 }
  46
  47
  48 }