static RROutputPtr
rdpRRAddOutput(rdpPtr dev, const char *aname, int x, int y, int width, int height)
{
RRModePtr mode;
RRCrtcPtr crtc;
RROutputPtr output;
xRRModeInfo modeInfo;
char name[64];
sprintf (name, "%dx%d", width, height);
memset (&modeInfo, 0, sizeof(modeInfo));
modeInfo.width = width;
modeInfo.height = height;
modeInfo.nameLength = strlen(name);
mode = RRModeGet(&modeInfo, name);
if (mode == 0)
{
LLOGLN(0, ("rdpRRAddOutput: RRModeGet failed"));
return 0;
}
crtc = RRCrtcCreate(dev->pScreen, NULL);
if (crtc == 0)
{
LLOGLN(0, ("rdpRRAddOutput: RRCrtcCreate failed"));
RRModeDestroy(mode);
return 0;
}
output = RROutputCreate(dev->pScreen, aname, strlen(aname), NULL);
if (output == 0)
{
LLOGLN(0, ("rdpRRAddOutput: RROutputCreate failed"));
RRCrtcDestroy(crtc);
RRModeDestroy(mode);
return 0;
}
if (!RROutputSetClones(output, NULL, 0))
{
LLOGLN(0, ("rdpRRAddOutput: RROutputSetClones failed"));
}
if (!RROutputSetModes(output, &mode, 1, 0))
{
LLOGLN(0, ("rdpRRAddOutput: RROutputSetModes failed"));
}
if (!RROutputSetCrtcs(output, &crtc, 1))
{
LLOGLN(0, ("rdpRRAddOutput: RROutputSetCrtcs failed"));
}
if (!RROutputSetConnection(output, RR_Connected))
{
LLOGLN(0, ("rdpRRAddOutput: RROutputSetConnection failed"));
}
RRCrtcNotify(crtc, mode, x, y, RR_Rotate_0, NULL, 1, &output);
dev->output[dev->extra_outputs] = output;
dev->crtc[dev->extra_outputs] = crtc;
dev->extra_outputs++;
return output;
}
static RRModePtr
RROldModeAdd (RROutputPtr output, RRScreenSizePtr size, int refresh)
{
ScreenPtr pScreen = output->pScreen;
rrScrPriv(pScreen);
xRRModeInfo modeInfo;
char name[100];
RRModePtr mode;
int i;
RRModePtr *modes;
memset (&modeInfo, '\0', sizeof (modeInfo));
sprintf (name, "%dx%d", size->width, size->height);
modeInfo.width = size->width;
modeInfo.height = size->height;
modeInfo.hTotal = size->width;
modeInfo.vTotal = size->height;
modeInfo.dotClock = ((CARD32) size->width * (CARD32) size->height *
(CARD32) refresh);
modeInfo.nameLength = strlen (name);
mode = RRModeGet (&modeInfo, name);
if (!mode)
return NULL;
for (i = 0; i < output->numModes; i++)
if (output->modes[i] == mode)
{
RRModeDestroy (mode);
return mode;
}
if (output->numModes)
modes = xrealloc (output->modes,
(output->numModes + 1) * sizeof (RRModePtr));
else
modes = xalloc (sizeof (RRModePtr));
if (!modes)
{
RRModeDestroy (mode);
FreeResource (mode->mode.id, 0);
return NULL;
}
modes[output->numModes++] = mode;
output->modes = modes;
output->changed = TRUE;
pScrPriv->changed = TRUE;
pScrPriv->configChanged = TRUE;
return mode;
}
static int
RRCrtcDestroyResource (pointer value, XID pid)
{
RRCrtcPtr crtc = (RRCrtcPtr) value;
ScreenPtr pScreen = crtc->pScreen;
if (pScreen)
{
rrScrPriv(pScreen);
int i;
for (i = 0; i < pScrPriv->numCrtcs; i++)
{
if (pScrPriv->crtcs[i] == crtc)
{
memmove (pScrPriv->crtcs + i, pScrPriv->crtcs + i + 1,
(pScrPriv->numCrtcs - (i + 1)) * sizeof (RRCrtcPtr));
--pScrPriv->numCrtcs;
break;
}
}
}
free(crtc->gammaRed);
if (crtc->mode)
RRModeDestroy (crtc->mode);
free(crtc);
return 1;
}
int
RROutputDeleteUserMode(RROutputPtr output, RRModePtr mode)
{
int m;
/* Find this mode in the user mode list */
for (m = 0; m < output->numUserModes; m++) {
RRModePtr e = output->userModes[m];
if (mode == e)
break;
}
/* Not there, access error */
if (m == output->numUserModes)
return BadAccess;
/* make sure the mode isn't active for this output */
if (output->crtc && output->crtc->mode == mode)
return BadMatch;
memmove(output->userModes + m, output->userModes + m + 1,
(output->numUserModes - m - 1) * sizeof(RRModePtr));
output->numUserModes--;
RRModeDestroy(mode);
return Success;
}
static int
RROutputDestroyResource(void *value, XID pid)
{
RROutputPtr output = (RROutputPtr) value;
ScreenPtr pScreen = output->pScreen;
int m;
if (pScreen) {
rrScrPriv(pScreen);
int i;
if (pScrPriv->primaryOutput == output)
pScrPriv->primaryOutput = NULL;
for (i = 0; i < pScrPriv->numOutputs; i++) {
if (pScrPriv->outputs[i] == output) {
memmove(pScrPriv->outputs + i, pScrPriv->outputs + i + 1,
(pScrPriv->numOutputs - (i + 1)) * sizeof(RROutputPtr));
--pScrPriv->numOutputs;
break;
}
}
RRResourcesChanged(pScreen);
}
if (output->modes) {
for (m = 0; m < output->numModes; m++)
RRModeDestroy(output->modes[m]);
free(output->modes);
}
for (m = 0; m < output->numUserModes; m++)
RRModeDestroy(output->userModes[m]);
free(output->userModes);
free(output->crtcs);
free(output->clones);
RRDeleteAllOutputProperties(output);
free(output);
return 1;
}
int
ProcRRCreateMode (ClientPtr client)
{
REQUEST(xRRCreateModeReq);
xRRCreateModeReply rep;
WindowPtr pWin;
ScreenPtr pScreen;
rrScrPrivPtr pScrPriv;
xRRModeInfo *modeInfo;
long units_after;
char *name;
int error, rc;
RRModePtr mode;
REQUEST_AT_LEAST_SIZE (xRRCreateModeReq);
rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
if (rc != Success)
return rc;
pScreen = pWin->drawable.pScreen;
pScrPriv = rrGetScrPriv(pScreen);
modeInfo = &stuff->modeInfo;
name = (char *) (stuff + 1);
units_after = (stuff->length - bytes_to_int32(sizeof (xRRCreateModeReq)));
/* check to make sure requested name fits within the data provided */
if (bytes_to_int32(modeInfo->nameLength) > units_after)
return BadLength;
mode = RRModeCreateUser (pScreen, modeInfo, name, &error);
if (!mode)
return error;
rep.type = X_Reply;
rep.pad0 = 0;
rep.sequenceNumber = client->sequence;
rep.length = 0;
rep.mode = mode->mode.id;
if (client->swapped)
{
int n;
swaps(&rep.sequenceNumber, n);
swapl(&rep.length, n);
swapl(&rep.mode, n);
}
WriteToClient(client, sizeof(xRRCreateModeReply), (char *)&rep);
/* Drop out reference to this mode */
RRModeDestroy (mode);
return client->noClientException;
}
Bool
RROutputSetModes(RROutputPtr output,
RRModePtr * modes, int numModes, int numPreferred)
{
RRModePtr *newModes;
int i;
if (numModes == output->numModes && numPreferred == output->numPreferred) {
for (i = 0; i < numModes; i++)
if (output->modes[i] != modes[i])
break;
if (i == numModes) {
for (i = 0; i < numModes; i++)
RRModeDestroy(modes[i]);
return TRUE;
}
}
if (numModes) {
newModes = malloc(numModes * sizeof(RRModePtr));
if (!newModes)
return FALSE;
}
else
newModes = NULL;
if (output->modes) {
for (i = 0; i < output->numModes; i++)
RRModeDestroy(output->modes[i]);
free(output->modes);
}
memcpy(newModes, modes, numModes * sizeof(RRModePtr));
output->modes = newModes;
output->numModes = numModes;
output->numPreferred = numPreferred;
RROutputChanged(output, TRUE);
return TRUE;
}
/*
* Notify the extension that the Crtc has been reconfigured,
* the driver calls this whenever it has updated the mode
*/
Bool
RRCrtcNotify (RRCrtcPtr crtc,
RRModePtr mode,
int x,
int y,
Rotation rotation,
RRTransformPtr transform,
int numOutputs,
RROutputPtr *outputs)
{
int i, j;
/*
* Check to see if any of the new outputs were
* not in the old list and mark them as changed
*/
for (i = 0; i < numOutputs; i++)
{
for (j = 0; j < crtc->numOutputs; j++)
if (outputs[i] == crtc->outputs[j])
break;
if (j == crtc->numOutputs)
{
outputs[i]->crtc = crtc;
RROutputChanged (outputs[i], FALSE);
RRCrtcChanged (crtc, FALSE);
}
}
/*
* Check to see if any of the old outputs are
* not in the new list and mark them as changed
*/
for (j = 0; j < crtc->numOutputs; j++)
{
for (i = 0; i < numOutputs; i++)
if (outputs[i] == crtc->outputs[j])
break;
if (i == numOutputs)
{
if (crtc->outputs[j]->crtc == crtc)
crtc->outputs[j]->crtc = NULL;
RROutputChanged (crtc->outputs[j], FALSE);
RRCrtcChanged (crtc, FALSE);
}
}
/*
* Reallocate the crtc output array if necessary
*/
if (numOutputs != crtc->numOutputs)
{
RROutputPtr *newoutputs;
if (numOutputs)
{
if (crtc->numOutputs)
newoutputs = realloc(crtc->outputs,
numOutputs * sizeof (RROutputPtr));
else
newoutputs = malloc(numOutputs * sizeof (RROutputPtr));
if (!newoutputs)
return FALSE;
}
else
{
free(crtc->outputs);
newoutputs = NULL;
}
crtc->outputs = newoutputs;
crtc->numOutputs = numOutputs;
}
/*
* Copy the new list of outputs into the crtc
*/
memcpy (crtc->outputs, outputs, numOutputs * sizeof (RROutputPtr));
/*
* Update remaining crtc fields
*/
if (mode != crtc->mode)
{
if (crtc->mode)
RRModeDestroy (crtc->mode);
crtc->mode = mode;
if (mode != NULL)
mode->refcnt++;
RRCrtcChanged (crtc, TRUE);
}
if (x != crtc->x)
{
crtc->x = x;
RRCrtcChanged (crtc, TRUE);
}
if (y != crtc->y)
{
crtc->y = y;
RRCrtcChanged (crtc, TRUE);
}
if (rotation != crtc->rotation)
{
crtc->rotation = rotation;
RRCrtcChanged (crtc, TRUE);
}
if (!RRTransformEqual (transform, &crtc->client_current_transform)) {
RRTransformCopy (&crtc->client_current_transform, transform);
RRCrtcChanged (crtc, TRUE);
}
if (crtc->changed && mode)
{
RRTransformCompute (x, y,
mode->mode.width, mode->mode.height,
rotation,
&crtc->client_current_transform,
&crtc->transform, &crtc->f_transform,
&crtc->f_inverse);
}
return TRUE;
}
static int
RRModeDestroyResource (pointer value, XID pid)
{
RRModeDestroy ((RRModePtr) value);
return 1;
}
int
ProcRRCreateMode(ClientPtr client)
{
REQUEST(xRRCreateModeReq);
xRRCreateModeReply rep;
WindowPtr pWin;
ScreenPtr pScreen;
xRRModeInfo *modeInfo;
long units_after;
char *name;
int error, rc;
RRModePtr mode;
REQUEST_AT_LEAST_SIZE(xRRCreateModeReq);
rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
if (rc != Success)
return rc;
pScreen = pWin->drawable.pScreen;
modeInfo = &stuff->modeInfo;
name = (char *) (stuff + 1);
units_after = (stuff->length - bytes_to_int32(sizeof(xRRCreateModeReq)));
/* check to make sure requested name fits within the data provided */
if (bytes_to_int32(modeInfo->nameLength) > units_after)
return BadLength;
mode = RRModeCreateUser(pScreen, modeInfo, name, &error);
if (!mode)
return error;
rep = (xRRCreateModeReply) {
.type = X_Reply,
.sequenceNumber = client->sequence,
.length = 0,
.mode = mode->mode.id
};
if (client->swapped) {
swaps(&rep.sequenceNumber);
swapl(&rep.length);
swapl(&rep.mode);
}
WriteToClient(client, sizeof(xRRCreateModeReply), &rep);
/* Drop out reference to this mode */
RRModeDestroy(mode);
return Success;
}
int
ProcRRDestroyMode(ClientPtr client)
{
REQUEST(xRRDestroyModeReq);
RRModePtr mode;
REQUEST_SIZE_MATCH(xRRDestroyModeReq);
VERIFY_RR_MODE(stuff->mode, mode, DixDestroyAccess);
if (!mode->userScreen)
return BadMatch;
if (mode->refcnt > 1)
return BadAccess;
FreeResource(stuff->mode, 0);
return Success;
}
static Bool vncRandRScreenSetSize(ScreenPtr pScreen,
CARD16 width, CARD16 height,
CARD32 mmWidth, CARD32 mmHeight)
{
vfbScreenInfoPtr pvfb = &vfbScreens[pScreen->myNum];
vfbFramebufferInfo fb;
rrScrPrivPtr rp = rrGetScrPriv(pScreen);
PixmapPtr rootPixmap = pScreen->GetScreenPixmap(pScreen);
void *pbits;
Bool ret;
int oldwidth, oldheight, oldmmWidth, oldmmHeight;
/* Prevent updates while we fiddle */
xf86SetRootClip(pScreen, FALSE);
/* Store current state in case we fail */
oldwidth = pScreen->width;
oldheight = pScreen->height;
oldmmWidth = pScreen->mmWidth;
oldmmHeight = pScreen->mmHeight;
/* Then set the new dimensions */
pScreen->width = width;
pScreen->height = height;
pScreen->mmWidth = mmWidth;
pScreen->mmHeight = mmHeight;
/* Allocate a new framebuffer */
memset(&fb, 0, sizeof(vfbFramebufferInfo));
fb.width = pScreen->width;
fb.height = pScreen->height;
fb.depth = pvfb->fb.depth;
pbits = vfbAllocateFramebufferMemory(&fb);
if (!pbits) {
/* Allocation failed. Restore old state */
pScreen->width = oldwidth;
pScreen->height = oldheight;
pScreen->mmWidth = oldmmWidth;
pScreen->mmHeight = oldmmHeight;
xf86SetRootClip(pScreen, TRUE);
return FALSE;
}
/* Update root pixmap with the new dimensions and buffer */
ret = pScreen->ModifyPixmapHeader(rootPixmap, fb.width, fb.height,
-1, -1, fb.paddedBytesWidth, pbits);
if (!ret) {
/* Update failed. Free the new framebuffer and restore old state */
vfbFreeFramebufferMemory(&fb);
pScreen->width = oldwidth;
pScreen->height = oldheight;
pScreen->mmWidth = oldmmWidth;
pScreen->mmHeight = oldmmHeight;
xf86SetRootClip(pScreen, TRUE);
return FALSE;
}
/* Free the old framebuffer and keep the info about the new one */
vfbFreeFramebufferMemory(&pvfb->fb);
memcpy(&pvfb->fb, &fb, sizeof(vfbFramebufferInfo));
/* Let VNC get the new framebuffer (actual update is in vncHooks.cc) */
vncFbptr[pScreen->myNum] = pbits;
vncFbstride[pScreen->myNum] = fb.paddedWidth;
/* Restore ability to update screen, now with new dimensions */
xf86SetRootClip(pScreen, TRUE);
/*
* Let RandR know we changed something (it doesn't assume that
* TRUE means something changed for some reason...).
*/
RRScreenSizeNotify(pScreen);
/* Crop all CRTCs to the new screen */
for (int i = 0;i < rp->numCrtcs;i++) {
RRCrtcPtr crtc;
RRModePtr mode;
crtc = rp->crtcs[i];
/* Disabled? */
if (crtc->mode == NULL)
continue;
/* Fully inside? */
if ((crtc->x + crtc->mode->mode.width <= width) &&
(crtc->y + crtc->mode->mode.height <= height))
continue;
/* Fully outside? */
if ((crtc->x >= width) || (crtc->y >= height)) {
/* Disable it */
ret = vncRandRCrtcSet(pScreen, crtc, NULL,
crtc->x, crtc->y, crtc->rotation, 0, NULL);
if (!ret)
ErrorF("Warning: Unable to disable CRTC that is outside of new screen dimensions");
continue;
}
/* Just needs to be resized to a temporary mode */
mode = vncRandRModeGet(width - crtc->x, height - crtc->y);
if (mode == NULL) {
ErrorF("Warning: Unable to create custom mode for %dx%d",
width - crtc->x, height - crtc->y);
continue;
}
ret = vncRandRCrtcSet(pScreen, crtc, mode,
crtc->x, crtc->y, crtc->rotation,
crtc->numOutputs, crtc->outputs);
RRModeDestroy(mode);
if (!ret)
ErrorF("Warning: Unable to crop CRTC to new screen dimensions");
}
return TRUE;
}