- added blur in gfxutil

[dosdemo] / src / sdl / main.c

diff --git a/src/sdl/main.c b/src/sdl/main.c
index 09645aa..c00bf7d 100644 (file)
--- a/src/sdl/main.c
+++ b/src/sdl/main.c
@@ -4,12 +4,13 @@
 #include <SDL/SDL.h>
 #include "demo.h"
 #include "tinyfps.h"
+#include "timer.h"
+#include "cfgopt.h"
 
 static void handle_event(SDL_Event *ev);
 static void toggle_fullscreen(void);
 
 static int quit;
-static long start_time;
 static SDL_Surface *fbsurf;
 
 static int fbscale = 2;
@@ -52,7 +53,7 @@ int main(int argc, char **argv)
                SDL_Quit();
                return 1;
        }
-       start_time = SDL_GetTicks();
+       reset_timer();
 
        while(!quit) {
                SDL_Event ev;
@@ -61,7 +62,7 @@ int main(int argc, char **argv)
                        if(quit) goto break_evloop;
                }
 
-               time_msec = SDL_GetTicks() - start_time;
+               time_msec = get_msec();
                demo_draw();
                drawFps(fb_pixels);
 
@@ -103,9 +104,19 @@ void demo_quit(void)
        quit = 1;
 }
 
+void wait_vsync(void)
+{
+       unsigned long start = SDL_GetTicks();
+       unsigned long until = (start | 0xf) + 1;
+       while(SDL_GetTicks() <= until);
+}
+
 void swap_buffers(void *pixels)
 {
        /* do nothing, all pointers point to the same buffer */
+       if(opt.vsync) {
+               wait_vsync();
+       }
 }
 
 static void handle_event(SDL_Event *ev)