+
+ if(opt.srgb && GLEW_ARB_framebuffer_sRGB) {
+ printf("enabling sRGB framebuffer\n");
+ glEnable(GL_FRAMEBUFFER_SRGB);
+ }
+
+ if(opt.vr) {
+ if(goatvr_init() == -1) {
+ return false;
+ }
+ goatvr_set_origin_mode(GOATVR_HEAD);
+
+ goatvr_startvr();
+ should_swap = goatvr_should_swap() != 0;
+ cam_height = goatvr_get_eye_height();
+ }