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sdl.cpp
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sdl.cpp
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#include "SDL.h"
#include <iostream>
void quit(int returnCode)
{
// TODO(Cristian): SDL Cleanup
exit(returnCode);
}
void InitSDL(SDL_Rect *viewport,
SDL_Window **window,
SDL_Renderer **renderer)
{
// Initialize SDL
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO) < 0)
{
std::cerr << "UNABLE TO INITIALIZE SDL: "
<< SDL_GetError() << std::endl;
quit(1);
}
(*viewport).x = 0;
(*viewport).y = 0;
// TODO(Cristian): Do correct viewport sizing
(*viewport).w = 800;
(*viewport).h = 600;
*window = SDL_CreateWindow("SDL Window", // Title
SDL_WINDOWPOS_UNDEFINED, // Initial x
SDL_WINDOWPOS_UNDEFINED, // Initial y
(*viewport).w, // width, in px
(*viewport).h, // height, in px
SDL_WINDOW_SHOWN); // flags
if (*window == nullptr)
{
std::cerr << "UNABLE TO CREATE WINDOW: "
<< SDL_GetError() << std::endl;
quit(1);
}
*renderer = SDL_CreateRenderer(*window, -1, 0);
if (*renderer < 0)
{
std::cerr << "UNABLE TO CREATE RENDERER: "
<< SDL_GetError() << std::endl;
quit(1);
}
SDL_RenderGetViewport(*renderer, viewport);
}
int main(int, char **)
{
SDL_Rect viewport;
SDL_Window *window;
SDL_Renderer *renderer;
InitSDL(&viewport, &window, &renderer);
SDL_SetRenderDrawColor(renderer, 0xFF, 0xFF, 0xFF, 0xFF);
SDL_RenderClear(renderer);
SDL_RenderPresent(renderer);
}