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added two new global pointers in demo.h: vmem_back and vmem_front, and
[dosdemo]
/
src
/
dos
/
main.c
diff --git
a/src/dos/main.c
b/src/dos/main.c
index
06fd0bb
..
10492fe
100644
(file)
--- a/
src/dos/main.c
+++ b/
src/dos/main.c
@@
-10,11
+10,11
@@
static int quit;
static int use_mouse;
static int quit;
static int use_mouse;
+static long fbsize;
int main(int argc, char **argv)
{
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);
init_timer(100);
kb_init(32);
@@
-29,9
+29,11
@@
int main(int argc, char **argv)
return 1;
}
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;
}
return 1;
}
+ /* TODO implement multiple video memory pages for flipping */
+ vmem_back = vmem_front;
if(demo_init(argc, argv) == -1) {
set_text_mode();
if(demo_init(argc, argv) == -1) {
set_text_mode();
@@
-52,9
+54,6
@@
int main(int argc, char **argv)
time_msec = get_msec();
demo_draw();
time_msec = get_msec();
demo_draw();
-
- /*wait_vsync();*/
- memcpy(vmem, fb_pixels, fbsize);
}
break_evloop:
}
break_evloop:
@@
-68,3
+67,12
@@
void demo_quit(void)
{
quit = 1;
}
{
quit = 1;
}
+
+void swap_buffers(void *pixels)
+{
+ /* TODO implement page flipping */
+ if(pixels) {
+ /*wait_vsync();*/
+ memcpy(vmem_front, pixels, fbsize);
+ }
+}