int main(void)
{
static const double tstep = 1.0/TICKRATE;
double tlast, tnow, tsec, dt, ddt=0.0;
int ticks=0, tps=0, frames=0;
#if 0
{
int i;
for (i=0; i<100; ++i) {
gx_init("demo", XRES, YRES);
gx_delay(0.01);
gx_exit();
}
}
#endif
gx_init("demo", XRES, YRES);
tlast = gx_time();
while (1) {
tnow = gx_time();
dt = tnow - tlast;
tlast = tnow;
if (dt > 0.25) dt = 0.25;
if (poll_events())
break;
ddt += dt;
while (ddt >= tstep) {
ddt -= tstep;
++ticks;
++tps;
}
draw(tnow, ddt/dt);
gx_paint(buf, XRES, YRES);
++frames;
print_time(ticks, &tps, tnow, dt);
if (limitfps && maxfps) {
double tmax = 1.0 / maxfps;
while (gx_time() - tnow < tmax-0.002) gx_delay(0.001);
while (gx_time() - tnow < tmax);
}
}
tsec = gx_time();
printf("--- timing report ---\n"
"ticks : %d\n"
"frames : %d\n"
"time : %.2f\n"
"tickrate : %.2f\n"
"fps : %.2f\n",
ticks, frames, tsec, ticks/tsec, frames/tsec);
return 0;
}
static int
gx_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
{
struct gx_softc *sc;
struct ifreq *ifr;
#ifdef INET
struct ifaddr *ifa;
#endif
int error;
sc = ifp->if_softc;
ifr = (struct ifreq *)data;
#ifdef INET
ifa = (struct ifaddr *)data;
#endif
switch (cmd) {
case SIOCSIFADDR:
#ifdef INET
/*
* Avoid reinitialization unless it's necessary.
*/
if (ifa->ifa_addr->sa_family == AF_INET) {
ifp->if_flags |= IFF_UP;
if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
gx_init(sc);
arp_ifinit(ifp, ifa);
return (0);
}
#endif
error = ether_ioctl(ifp, cmd, data);
if (error != 0)
return (error);
return (0);
case SIOCSIFFLAGS:
if (ifp->if_flags == sc->sc_flags)
return (0);
if ((ifp->if_flags & IFF_UP) != 0) {
gx_init(sc);
} else {
if ((ifp->if_drv_flags & IFF_DRV_RUNNING) != 0) {
ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
}
}
sc->sc_flags = ifp->if_flags;
return (0);
case SIOCSIFMTU:
if (ifr->ifr_mtu + ifp->if_hdrlen > GXEMUL_ETHER_DEV_MTU)
return (ENOTSUP);
return (0);
case SIOCSIFMEDIA:
case SIOCGIFMEDIA:
error = ifmedia_ioctl(ifp, ifr, &sc->sc_ifmedia, cmd);
if (error != 0)
return (error);
return (0);
default:
error = ether_ioctl(ifp, cmd, data);
if (error != 0)
return (error);
return (0);
}
}
GXDisplayProperties GXGetDisplayProperties(void) {
gx_init();
return(gxdp);
}
int GXOpenDisplay(HWND hWnd, DWORD dwFlags) {
DWORD winstyle;
DWORD winstyleex;
_BMPINFO bi;
HDC hdc;
HWND hTaskBar;
if (gxhwnd) {
goto gxopn_err1;
}
gx_init();
gxhwnd = hWnd;
// bitmap���B
ZeroMemory(&bi, sizeof(bi));
bi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
bi.bmiHeader.biWidth = gxdp.cxWidth;
bi.bmiHeader.biHeight = 0 - gxdp.cyHeight;
bi.bmiHeader.biPlanes = 1;
bi.bmiHeader.biBitCount = 16;
bi.bmiHeader.biCompression = BI_BITFIELDS;
bi.bmiColors[0] = 0xf800;
bi.bmiColors[1] = 0x07e0;
bi.bmiColors[2] = 0x001f;
hdc = GetDC(NULL);
hgxbmp = CreateDIBSection(hdc, (BITMAPINFO *)&bi, DIB_RGB_COLORS,
&gximage, NULL, 0);
ReleaseDC(NULL, hdc);
if (hgxbmp == NULL) {
goto gxopn_err2;
}
ZeroMemory(gximage, gxdp.cbyPitch * gxdp.cyHeight);
gxold = (SUBCLASSPROC)GetWindowLong(hWnd, GWL_WNDPROC);
SetWindowLong(hWnd, GWL_WNDPROC, (LONG)gxdraw);
if (GXFlag & GX_WINDOW) {
setclientsize(hWnd, WINDOW_WIDTH, WINDOW_HEIGHT);
}
else {
hTaskBar = FindWindow(taskbarclass, NULL);
if (hTaskBar) {
ShowWindow(hTaskBar, SW_HIDE);
}
winstyle = GetWindowLong(hWnd, GWL_STYLE);
gxhwndstyle = winstyle;
winstyleex = GetWindowLong(hWnd, GWL_EXSTYLE);
gxhwndstyleex = winstyleex;
winstyle &= ~(WS_CAPTION | WS_OVERLAPPED | WS_SYSMENU);
winstyle |= WS_POPUP | WS_VISIBLE | WS_CLIPCHILDREN | WS_CLIPSIBLINGS;
winstyleex |= WS_EX_TOPMOST;
SetWindowLong(hWnd, GWL_STYLE, winstyle);
SetWindowLong(hWnd, GWL_EXSTYLE, winstyleex);
SetWindowPos(hWnd, HWND_TOPMOST, 0, 0, 0, 0,
SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER);
MoveWindow(hWnd, 0, 0, GXWidth, GXHeight, TRUE);
}
return(1);
gxopn_err2:
gxhwnd = NULL;
gximage = NULL;
gxopn_err1:
return(0);
}
