X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Fdos%2Fmain.c;h=10492fec123b9b368ec772e9507da41d1bf10e7c;hb=refs%2Fheads%2Fmusic;hp=442f343ed2ab7ad5ea4eec71a8e0a2cc397c8f24;hpb=757e7697c9a4434df6f3fdf3234de504bb4636bc;p=dosdemo

diff --git a/src/dos/main.c b/src/dos/main.c
index 442f343..10492fe 100644
--- a/src/dos/main.c
+++ b/src/dos/main.c
@@ -1,28 +1,39 @@
 #include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 #include <limits.h>
 #include "demo.h"
 #include "keyb.h"
+#include "mouse.h"
 #include "timer.h"
 #include "gfx.h"
 
 static int quit;
+static int use_mouse;
+static long fbsize;
 
 int main(int argc, char **argv)
 {
-	void *vmem;
-	long fbsize = fb_width * fb_height * fb_bpp / CHAR_BIT;
+	fbsize = fb_width * fb_height * fb_bpp / CHAR_BIT;
 
 	init_timer(100);
 	kb_init(32);
 
+	if((use_mouse = have_mouse())) {
+		set_mouse_limits(0, 0, fb_width, fb_height);
+		set_mouse(fb_width / 2, fb_height / 2);
+	}
+
 	if(!(fb_pixels = malloc(fbsize))) {
 		fprintf(stderr, "failed to allocate backbuffer\n");
 		return 1;
 	}
 
-	if(!(vmem = set_video_mode(fb_width, fb_height, fb_bpp))) {
+	if(!(vmem_front = set_video_mode(fb_width, fb_height, fb_bpp))) {
 		return 1;
 	}
+	/* TODO implement multiple video memory pages for flipping */
+	vmem_back = vmem_front;
 
 	if(demo_init(argc, argv) == -1) {
 		set_text_mode();
@@ -37,13 +48,12 @@ int main(int argc, char **argv)
 		}
 		if(quit) goto break_evloop;
 
-		mouse_bmask = read_mouse(&mouse_x, &mouse_y);
+		if(use_mouse) {
+			mouse_bmask = read_mouse(&mouse_x, &mouse_y);
+		}
 
 		time_msec = get_msec();
 		demo_draw();
-
-		/*wait_vsync();*/
-		memcpy(vmem, fb_pixels, fbsize);
 	}
 
 break_evloop:
@@ -57,3 +67,12 @@ void demo_quit(void)
 {
 	quit = 1;
 }
+
+void swap_buffers(void *pixels)
+{
+	/* TODO implement page flipping */
+	if(pixels) {
+		/*wait_vsync();*/
+		memcpy(vmem_front, pixels, fbsize);
+	}
+}