Bool
ResolutionSetTopology(unsigned int ndisplays,
DisplayTopologyInfo *topology)
{
#ifdef NO_MULTIMON
return FALSE;
#else
ResolutionInfoX11Type *resInfoX = &resolutionInfoX11;
Bool success = FALSE;
unsigned int i;
xXineramaScreenInfo *displays = NULL;
short maxX = 0;
short maxY = 0;
int minX = 0x7FFF;
int minY = 0x7FFF;
ASSERT(resolutionInfo.canSetTopology);
/*
* Allocate xXineramaScreenInfo array & translate from DisplayTopologyInfo.
* Iterate over displays looking for minimum, maximum dimensions.
* Warn if min isn't at (0,0).
* Transform to (0,0).
* Call out to VMwareCtrl_SetTopology.
* Set new jumbotron resolution.
*/
displays = malloc(sizeof *displays * ndisplays);
if (!displays) {
goto out;
}
for (i = 0; i < ndisplays; i++) {
displays[i].x_org = topology[i].x;
displays[i].y_org = topology[i].y;
displays[i].width = topology[i].width;
displays[i].height = topology[i].height;
maxX = MAX(maxX, displays[i].x_org + displays[i].width);
maxY = MAX(maxY, displays[i].y_org + displays[i].height);
minX = MIN(minX, displays[i].x_org);
minY = MIN(minY, displays[i].y_org);
}
if (minX != 0 || minY != 0) {
g_warning("The bounding box of the display topology does not have an "
"origin of (0,0)\n");
}
/*
* Transform the topology so that the bounding box has an origin of (0,0). Since the
* host is already supposed to pass a normalized topology, this should not have any
* effect.
*/
for (i = 0; i < ndisplays; i++) {
displays[i].x_org -= minX;
displays[i].y_org -= minY;
}
/*
* Grab server to avoid potential races between setting GUI topology
* and setting FB topology.
*/
XGrabServer(resInfoX->display);
/*
* First, call vmwarectrl to update the connection info
* and resolution capabilities of connected monitors,
* according to the host GUI layout on vmwgfx. On vmwlegacy this
* sets the driver's exported Xinerama topology.
*
* For vmwgfx, this might be replaced with a direct kernel driver call
* in upcoming versions.
*/
if (resInfoX->canUseVMwareCtrlTopologySet) {
if (!VMwareCtrl_SetTopology(resInfoX->display,
DefaultScreen(resInfoX->display),
displays, ndisplays)) {
g_debug("Failed to set topology in the driver.\n");
goto out;
}
}
if (resInfoX->canUseRandR12) {
/*
* For vmwgfx, use RandR12 to set the FB layout to a 1:1 mapping
* of the host GUI layout.
*/
success = RandR12_SetTopology(resInfoX->display,
DefaultScreen(resInfoX->display),
resInfoX->rootWindow,
ndisplays, displays,
maxX - minX, maxY - minY);
} else if (resInfoX->canUseVMwareCtrlTopologySet) {
/*
* For vmwlegacy, use legacy RandR to set the backing framebuffer
* size. We don't do this unless we were able to set a new
* topology using vmwarectrl.
*/
if (!SelectResolution(maxX - minX, maxY - minY)) {
g_debug("Failed to set new resolution.\n");
goto out;
}
success = TRUE;
}
out:
XUngrabServer(resInfoX->display);
XFlush(resInfoX->display);
free(displays);
return success;
#endif
}
int
main (int argc, char **argv)
{
Display *dpy;
char *displayName = NULL;
int screen;
int major, minor;
dpy = XOpenDisplay(displayName);
if (!dpy) {
printf("Could not open default X Display\n");
exit(EXIT_FAILURE);
}
screen = DefaultScreen(dpy);
if (VMwareCtrl_QueryVersion(dpy, &major, &minor)) {
printf("Got Extension version %d.%d\n", major, minor);
} else {
printf("VMWARE_CTRL Extension not found.\n");
exit(EXIT_FAILURE);
}
if (argc >= 2) {
if (strcmp(argv[1], "setres") == 0) {
int x, y;
if (argc < 4) {
printf("Setres needs x and y too\n");
exit(EXIT_FAILURE);
}
x = atoi(argv[2]);
y = atoi(argv[3]);
if (VMwareCtrl_SetRes(dpy, screen, x, y)) {
printf("Set Res was successful\n");
} else {
printf("Set Res failed\n");
}
} else if (strcmp(argv[1], "settopology") == 0) {
xXineramaScreenInfo extents[2];
if (major == 0 && minor < 2) {
printf("VMWARE_CTRL version >= 0.2 is required\n");
exit(EXIT_FAILURE);
}
printf("Requesting hard-coded topology\n");
extents[0].x_org = 0;
extents[0].y_org = 0;
extents[0].width = 800;
extents[0].height = 600;
extents[1].x_org = 800;
extents[1].y_org = 0;
extents[1].width = 800;
extents[1].height = 600;
if (VMwareCtrl_SetTopology(dpy, screen, extents, 2)) {
printf("SetTopology was successful\n");
} else {
printf("SetTopology failed\n");
}
}
}
return EXIT_SUCCESS;
}
