openvr_test1
annotate src/main.cc @ 0:806d30b46748
OpenVR test initial commit
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Wed, 13 Apr 2016 09:39:37 +0300 |
| parents | |
| children |
| rev | line source |
|---|---|
| nuclear@0 | 1 #include <stdio.h> |
| nuclear@0 | 2 #include <stdlib.h> |
| nuclear@0 | 3 #include <assert.h> |
| nuclear@0 | 4 #include <SDL2/SDL.h> |
| nuclear@0 | 5 #include <GL/glew.h> |
| nuclear@0 | 6 #include "app.h" |
| nuclear@0 | 7 |
| nuclear@0 | 8 static bool handle_event(SDL_Event *ev); |
| nuclear@0 | 9 |
| nuclear@0 | 10 static SDL_Window *win; |
| nuclear@0 | 11 static SDL_GLContext ctx; |
| nuclear@0 | 12 static bool quit; |
| nuclear@0 | 13 |
| nuclear@0 | 14 int main(int argc, char **argv) |
| nuclear@0 | 15 { |
| nuclear@0 | 16 SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER); |
| nuclear@0 | 17 int winx = SDL_WINDOWPOS_UNDEFINED; |
| nuclear@0 | 18 int winy = SDL_WINDOWPOS_UNDEFINED; |
| nuclear@0 | 19 |
| nuclear@0 | 20 if(!(win = SDL_CreateWindow("OpenVR test", winx, winy, 1024, 640, SDL_WINDOW_OPENGL))) { |
| nuclear@0 | 21 fprintf(stderr, "failed to open window\n"); |
| nuclear@0 | 22 return 1; |
| nuclear@0 | 23 } |
| nuclear@0 | 24 if(!(ctx = SDL_GL_CreateContext(win))) { |
| nuclear@0 | 25 fprintf(stderr, "failed to create OpenGL context\n"); |
| nuclear@0 | 26 return 1; |
| nuclear@0 | 27 } |
| nuclear@0 | 28 int xsz, ysz; |
| nuclear@0 | 29 SDL_GetWindowSize(win, &xsz, &ysz); |
| nuclear@0 | 30 app_reshape(xsz, ysz); |
| nuclear@0 | 31 |
| nuclear@0 | 32 if(!app_init()) { |
| nuclear@0 | 33 return 1; |
| nuclear@0 | 34 } |
| nuclear@0 | 35 |
| nuclear@0 | 36 for(;;) { |
| nuclear@0 | 37 SDL_Event ev; |
| nuclear@0 | 38 while(SDL_PollEvent(&ev)) { |
| nuclear@0 | 39 if(!handle_event(&ev) || quit) { |
| nuclear@0 | 40 goto done; |
| nuclear@0 | 41 } |
| nuclear@0 | 42 } |
| nuclear@0 | 43 |
| nuclear@0 | 44 app_draw(); |
| nuclear@0 | 45 assert(glGetError() == GL_NO_ERROR); |
| nuclear@0 | 46 } |
| nuclear@0 | 47 |
| nuclear@0 | 48 done: |
| nuclear@0 | 49 app_shutdown(); |
| nuclear@0 | 50 SDL_Quit(); |
| nuclear@0 | 51 return 0; |
| nuclear@0 | 52 } |
| nuclear@0 | 53 |
| nuclear@0 | 54 void app_swap_buffers() |
| nuclear@0 | 55 { |
| nuclear@0 | 56 SDL_GL_SwapWindow(win); |
| nuclear@0 | 57 } |
| nuclear@0 | 58 |
| nuclear@0 | 59 void app_quit() |
| nuclear@0 | 60 { |
| nuclear@0 | 61 quit = true; |
| nuclear@0 | 62 } |
| nuclear@0 | 63 |
| nuclear@0 | 64 static bool handle_event(SDL_Event *ev) |
| nuclear@0 | 65 { |
| nuclear@0 | 66 switch(ev->type) { |
| nuclear@0 | 67 case SDL_QUIT: |
| nuclear@0 | 68 return false; |
| nuclear@0 | 69 |
| nuclear@0 | 70 case SDL_KEYDOWN: |
| nuclear@0 | 71 case SDL_KEYUP: |
| nuclear@0 | 72 app_keyboard(ev->key.keysym.sym, ev->key.state == SDL_PRESSED); |
| nuclear@0 | 73 break; |
| nuclear@0 | 74 |
| nuclear@0 | 75 case SDL_WINDOWEVENT: |
| nuclear@0 | 76 if(ev->window.event == SDL_WINDOWEVENT_RESIZED) { |
| nuclear@0 | 77 app_reshape(ev->window.data1, ev->window.data2); |
| nuclear@0 | 78 } |
| nuclear@0 | 79 break; |
| nuclear@0 | 80 |
| nuclear@0 | 81 default: |
| nuclear@0 | 82 break; |
| nuclear@0 | 83 } |
| nuclear@0 | 84 return true; |
| nuclear@0 | 85 } |