XRRScreenResources *XRRGetScreenResourcesCurrent(Display *dpy, Window window) {
XRRScreenResources *retval = augment_resources(dpy, window, _XRRGetScreenResourcesCurrent(dpy, window));
DEBUGF("XRRGetScreenResourcesCurrent called, noutput=%d, first crtc=%lu\n", retval->noutput, *retval->crtcs);
return retval;
}
int main(void)
{
Display *dpy;
int i, j, fd;
unsigned int attachments[] = {
DRI2BufferBackLeft,
DRI2BufferFrontLeft,
};
XRRScreenResources *res;
dpy = XOpenDisplay(NULL);
if (dpy == NULL)
return 77;
if (!XRRQueryVersion(dpy, &i, &j))
return 77;
fd = dri2_open(dpy);
if (fd < 0)
return 1;
res = _XRRGetScreenResourcesCurrent(dpy, DefaultRootWindow(dpy));
if (res == NULL)
return 1;
printf("noutput=%d, ncrtc=%d\n", res->noutput, res->ncrtc);
for (i = 0; i < res->ncrtc; i++)
XRRSetCrtcConfig(dpy, res, res->crtcs[i], CurrentTime,
0, 0, None, RR_Rotate_0, NULL, 0);
XSync(dpy, True);
for (i = 0; i < res->noutput; i++) {
XRROutputInfo *output;
XRRModeInfo *mode;
output = XRRGetOutputInfo(dpy, res, res->outputs[i]);
if (output == NULL)
continue;
mode = NULL;
if (res->nmode)
mode = lookup_mode(res, output->modes[0]);
for (j = 0; mode && j < output->ncrtc; j++) {
printf("[%d, %d] -- OUTPUT:%ld, CRTC:%ld\n",
i, j, (long)res->outputs[i], (long)output->crtcs[j]);
XRRSetCrtcConfig(dpy, res, output->crtcs[j], CurrentTime,
0, 0, output->modes[0], RR_Rotate_0, &res->outputs[i], 1);
XSync(dpy, True);
run(dpy, mode->width, mode->height, attachments, 1, "fullscreen");
run(dpy, mode->width, mode->height, attachments, 2, "fullscreen (with front)");
run(dpy, mode->width/2, mode->height/2, attachments, 1, "windowed");
run(dpy, mode->width/2, mode->height/2, attachments, 2, "windowed (with front)");
XRRSetCrtcConfig(dpy, res, output->crtcs[j], CurrentTime,
0, 0, None, RR_Rotate_0, NULL, 0);
XSync(dpy, True);
}
XRRFreeOutputInfo(output);
}
return 0;
}
