git.mutantstargoat.com Git - vrfileman/blob - src/main.cc

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <SDL2/SDL.h>
   4 #include "app.h"
   5
   6 static void process_event(SDL_Event *ev);
   7
   8 static SDL_Window *win;
   9 static SDL_GLContext ctx;
  10 static bool redraw_pending = true;
  11 static bool quit;
  12
  13 int main(int argc, char **argv)
  14 {
  15         if(SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER) == -1) {
  16                 fprintf(stderr, "failed to initialize SDL\n");
  17                 return 1;
  18         }
  19
  20         int x = SDL_WINDOWPOS_UNDEFINED;
  21         int y = SDL_WINDOWPOS_UNDEFINED;
  22         unsigned int flags = SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI;
  23         win_width = 1280;
  24         win_height = 800;
  25         if(!(win = SDL_CreateWindow("vrfileman", x, y, win_width, win_height, flags))) {
  26                 fprintf(stderr, "failed to create window\n");
  27                 return 1;
  28         }
  29
  30         SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
  31         SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
  32         SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
  33         SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
  34         SDL_GL_SetAttribute(SDL_GL_FRAMEBUFFER_SRGB_CAPABLE, 1);
  35
  36         if(!(ctx = SDL_GL_CreateContext(win))) {
  37                 fprintf(stderr, "failed to create OpenGL context\n");
  38                 return 1;
  39         }
  40         SDL_GL_GetDrawableSize(win, &win_width, &win_height);
  41         app_reshape(win_width, win_height);
  42
  43         while(!quit) {
  44                 SDL_Event ev;
  45
  46                 if(!redraw_pending) {
  47                         if(!SDL_WaitEvent(0)) {
  48                                 fprintf(stderr, "error while waiting for events\n");
  49                                 break;
  50                         }
  51                 }
  52
  53                 time_msec = app_get_msec();
  54                 while(SDL_PollEvent(&ev)) {
  55                         process_event(&ev);
  56                         if(quit) goto break_evloop;
  57                 }
  58
  59                 if(redraw_pending) {
  60                         redraw_pending = false;
  61                         app_draw();
  62                 }
  63         }
  64 break_evloop:
  65
  66         app_cleanup();
  67         SDL_Quit();
  68         return 0;
  69 }
  70
  71 void app_redraw()
  72 {
  73         redraw_pending = true;
  74 }
  75
  76 void app_swap_buffers()
  77 {
  78         SDL_GL_SwapWindow(win);
  79 }
  80
  81 long app_get_msec()
  82 {
  83         return SDL_GetTicks();
  84 }