nsresult nsSystemInfo::Init()
{
struct pci_access *pacc;
struct pci_dev *p;
pciaddr_t ram = 0;
char buf[128];
int i, found, v, n;
Display *dpy;
char *display = NULL;
Window root;
XVisualInfo *info, templ;
XWindowAttributes wts;
XPixmapFormatValues *pf;
XSetWindowAttributes attr;
Window win;
mWidth = 0;
mHeight = 0;
mDepth = 0;
pacc = pci_alloc();
pci_init(pacc);
pci_scan_bus(pacc);
for (p = pacc->devices; p; p=p->next) {
pci_fill_info(p,
PCI_FILL_IDENT | PCI_FILL_CLASS | PCI_FILL_BASES | PCI_FILL_SIZES);
if (p->device_class == PCI_CLASS_DISPLAY_VGA) {
pci_lookup_name(pacc, buf, sizeof(buf),
PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE,
p->vendor_id, p->device_id);
mDeviceName.AssignLiteral(buf);
sprintf(buf, "0x%04X", p->vendor_id);
mVendorID.AssignLiteral(buf);
sprintf(buf, "0x%04X", p->device_id);
mDeviceID.AssignLiteral(buf);
for (i=0; i<6; i++) {
pciaddr_t len = (p->known_fields & PCI_FILL_SIZES) ? p->size[i] : 0;
if (len > ram) ram = len;
}
vram = ram / 1024 / 1024;
}
else {
Log("Grafx Bot: No PCI VGA device found");
}
}
pci_cleanup(pacc);
if (NULL != (display = getenv("DISPLAY"))) {
if (display[0] != ':') {
display = strchr(display, ':');
if (NULL == display) {
Log("Grafx Bot: unable to find display");
return NS_OK;
}
}
if (NULL == (dpy = XOpenDisplay(display))) {
Log("Grafx Bot: unable to find X display");
return NS_OK;
}
root = DefaultRootWindow(dpy);
XGetWindowAttributes(dpy, root, &wts);
mWidth = wts.width;
mHeight = wts.height;
templ.screen = XDefaultScreen(dpy);
info = XGetVisualInfo(dpy, VisualScreenMask, &templ, &found);
v = -1;
for (i = 0; v == -1 && i < found; i++) {
if (info[i].depth >= 15)
v = i;
}
for (i = 0; v == -1 && i < found; i++) {
if (info[i].depth == 8)
v = i;
}
if (-1 == v) {
Log("Grafx Bot: can't find visual");
return NS_OK;
}
pf = XListPixmapFormats(dpy, &n);
for (i = 0; i < n; i++) {
if (pf[i].depth == info[v].depth) {
mDepth = pf[i].depth;
}
}
if (gGLXWrap.OpenLibrary("libGL.so.1") && gGLXWrap.Init()) {
attr.background_pixel = 0;
attr.border_pixel = 0;
attr.colormap = XCreateColormap(dpy, root, info[v].visual, AllocNone);
attr.event_mask = StructureNotifyMask | ExposureMask;
win = XCreateWindow(dpy, root, 0, 0, 100, 100, 0, info[v].depth,
InputOutput, info[v].visual,
CWBackPixel | CWBorderPixel | CWColormap | CWEventMask, &attr);
GLXContext ctx = gGLXWrap.fCreateContext(dpy, info, NULL, true);
if (ctx) {
if (gGLXWrap.fMakeCurrent(dpy, win, ctx)) {
mDriverVersion.AssignLiteral((char*)gGLXWrap.fGetString(LOCAL_GL_VERSION));
mDriver.AssignLiteral((char*)gGLXWrap.fGetString(LOCAL_GL_RENDERER));
mDriver.AppendLiteral(" (");
mDriver.AppendLiteral((char*)gGLXWrap.fGetString(LOCAL_GL_VENDOR));
mDriver.AppendLiteral(")");
}
else {
Log("Grafx Bot: unable to make current");
}
gGLXWrap.fDestroyContext(dpy, ctx);
}
else {
Log("Grafx Bot: unable to create context");
}
XDestroyWindow(dpy, win);
}
else {
Log("Grafx Bot: can't init libGL.so.1");
}
}
return NS_OK;
}
