int main(int argc, char * argv[])
{
int i;
for (i = 1; i < argc; i++) {
if (strcmp(argv[i], "-help") == 0
|| strcmp(argv[i], "-h") == 0)
{
show_help(argc, argv);
return 0;
}
else if (strcmp(argv[i], "-res") == 0) {
show_resources();
return 0;
}
}
init_appres(argc, argv);
the_bar.realized = 0;
if (!get_display_info() ||
!init_resources() ||
!create_main_window())
exit (1);
set_signals();
XMapWindow(gdi.display, gdi.mainw);
set_keybindings();
XEvent evt;
while (1) {
XNextEvent(gdi.display, &evt);
#ifdef DEBUG
printf("wid %08X\t%s\n", (int)(evt.xany.window),
event_names[evt.type]);
fflush(stdout);
#endif
switch(evt.type){
case KeyPress:
handle_key_press(&evt);
break;
case ReparentNotify:
handle_reparent(&evt);
break;
case MapRequest:
/* add a new tab */
handle_maprequest(&evt);
break;
case DestroyNotify:
/* remove a tab */
handle_destroy(&evt);
break;
case ConfigureNotify:
handle_configure_notify(&evt);
break;
case ConfigureRequest:
handle_configure_request(&evt);
break;
case Expose:
if (evt.xexpose.window != gdi.mainw)
bar_handle_expose(&(evt.xexpose));
break;
case ButtonPress:
bar_handle_button(&(evt.xbutton));
break;
case PropertyNotify:
bar_handle_prop(&evt);
break;
case MapNotify:
if (evt.xmap.window == gdi.mainw) {
if (init_stage == 0) {
init_stage ++;
spawn_xterm();
}
}
break;
case UnmapNotify:
if (the_bar.tab_group.tab_count == 0)
exit(0);
break;
case EnterNotify:
set_focus();
break;
default:
break;
}
XFlush(gdi.display);
};
return 0;
}
status_t virtio_gpu_start(struct virtio_device *dev)
{
status_t err;
LTRACEF("dev %p\n", dev);
struct virtio_gpu_dev *gdev = (struct virtio_gpu_dev *)dev->priv;
/* get the display info and see if we find a valid pmode */
err = get_display_info(gdev);
if (err < 0) {
LTRACEF("failed to get display info\n");
return err;
}
if (gdev->pmode_id < 0) {
LTRACEF("we failed to find a pmode, exiting\n");
return ERR_NOT_FOUND;
}
/* allocate a resource */
err = allocate_2d_resource(gdev, &gdev->display_resource_id, gdev->pmode.r.width, gdev->pmode.r.height);
if (err < 0) {
LTRACEF("failed to allocate 2d resource\n");
return err;
}
/* attach a backing store to the resource */
size_t len = gdev->pmode.r.width * gdev->pmode.r.height * 4;
gdev->fb = pmm_alloc_kpages(ROUNDUP(len, PAGE_SIZE) / PAGE_SIZE, NULL);
if (!gdev->fb) {
TRACEF("failed to allocate framebuffer, wanted 0x%zx bytes\n", len);
return ERR_NO_MEMORY;
}
printf("virtio-gpu: framebuffer at %p, 0x%zx bytes\n", gdev->fb, len);
err = attach_backing(gdev, gdev->display_resource_id, gdev->fb, len);
if (err < 0) {
LTRACEF("failed to attach backing store\n");
return err;
}
/* attach this resource as a scanout */
err = set_scanout(gdev, gdev->pmode_id, gdev->display_resource_id, gdev->pmode.r.width, gdev->pmode.r.height);
if (err < 0) {
LTRACEF("failed to set scanout\n");
return err;
}
/* create the flush thread */
thread_t *t;
t = thread_create("virtio gpu flusher", &virtio_gpu_flush_thread, (void *)gdev, HIGH_PRIORITY, DEFAULT_STACK_SIZE);
thread_detach_and_resume(t);
/* kick it once */
event_signal(&gdev->flush_event, true);
LTRACE_EXIT;
return NO_ERROR;
}
