/*
* Allocate, initialize and return a __DRIdisplayPrivate object.
* This is called from __glXInitialize() when we are given a new
* display pointer.
*/
_X_HIDDEN __GLXDRIdisplay *
dri2CreateDisplay(Display * dpy)
{
__GLXDRIdisplayPrivate *pdp;
int eventBase, errorBase;
if (!DRI2QueryExtension(dpy, &eventBase, &errorBase))
return NULL;
pdp = Xmalloc(sizeof *pdp);
if (pdp == NULL)
return NULL;
if (!DRI2QueryVersion(dpy, &pdp->driMajor, &pdp->driMinor)) {
Xfree(pdp);
return NULL;
}
pdp->driPatch = 0;
pdp->swapAvailable = (pdp->driMinor >= 2);
pdp->invalidateAvailable = (pdp->driMinor >= 3);
pdp->base.destroyDisplay = dri2DestroyDisplay;
pdp->base.createScreen = dri2CreateScreen;
return &pdp->base;
}
static int dri2_connect(Display *dpy, char **driver)
{
int eventBase, errorBase, major, minor;
char *device;
drm_magic_t magic;
Window root;
int fd;
if (!DRI2InitDisplay(dpy, &ops)) {
ERROR_MSG("DRI2InitDisplay failed");
return -1;
}
if (!DRI2QueryExtension(dpy, &eventBase, &errorBase)) {
ERROR_MSG("DRI2QueryExtension failed");
return -1;
}
MSG("DRI2QueryExtension: eventBase=%d, errorBase=%d", eventBase, errorBase);
if (!DRI2QueryVersion(dpy, &major, &minor)) {
ERROR_MSG("DRI2QueryVersion failed");
return -1;
}
MSG("DRI2QueryVersion: major=%d, minor=%d", major, minor);
root = RootWindow(dpy, DefaultScreen(dpy));
if (!DRI2Connect(dpy, root, driver, &device)) {
ERROR_MSG("DRI2Connect failed");
return -1;
}
MSG("DRI2Connect: driver=%s, device=%s", *driver, device);
fd = open(device, O_RDWR);
if (fd < 0) {
ERROR_MSG("open failed");
return fd;
}
if (drmGetMagic(fd, &magic)) {
ERROR_MSG("drmGetMagic failed");
return -1;
}
if (!DRI2Authenticate(dpy, root, magic)) {
ERROR_MSG("DRI2Authenticate failed");
return -1;
}
return fd;
}
static boolean
x11_screen_init_dri2(struct x11_screen *xscr)
{
if (xscr->dri_major < 0) {
int eventBase, errorBase;
if (!DRI2QueryExtension(xscr->dpy, &eventBase, &errorBase) ||
!DRI2QueryVersion(xscr->dpy, &xscr->dri_major, &xscr->dri_minor))
xscr->dri_major = -1;
}
return (xscr->dri_major >= 0);
}