LuaJIT-FFI ShivaVG Proof of Concept Test: C Equivalent

#include <SDL/SDL.h>
#include <vg/openvg.h>
#include <vg/vgu.h>

int screenWidth = 640;
int screenHeight = 480;
SDL_Surface* screen;
VGfloat blue[4] = {0, 0, 1, 1};

int main(int argc, char* argv[]) {
  SDL_Event e;
  int finished = 0;

  SDL_Init(SDL_INIT_VIDEO);
  SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
  SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 1);
  screen = SDL_SetVideoMode(screenWidth, screenHeight, 0, SDL_OPENGL | SDL_RESIZABLE);

  vgCreateContextSH(screenWidth, screenHeight);

  vgSetfv(VG_CLEAR_COLOR, 4, blue);

  while (!finished) {
    while (SDL_PollEvent(&e)) {
      switch(e.type) {
        case SDL_QUIT:
          finished = 1;
          break;
        case SDL_KEYDOWN:
          if (e.key.keysym.sym == SDLK_ESCAPE) {
            finished = 1;
          }
          break;
        case SDL_VIDEORESIZE:
          screenWidth = e.resize.w;
          screenHeight = e.resize.h;
          screen = SDL_SetVideoMode(screenWidth, screenHeight, 0, SDL_OPENGL | SDL_RESIZABLE);
          vgResizeSurfaceSH(screenWidth, screenHeight);
          break;
      }
    }
    vgClear(0, 0, screenWidth, screenHeight);
    SDL_GL_SwapBuffers();
      SDL_Delay(SDL_TIMESLICE);
  }
  vgDestroyContextSH();
  return 0;
}