diff options
Diffstat (limited to 'randr/rrdispatch.c')
| -rw-r--r-- | randr/rrdispatch.c | 1034 |
1 files changed, 1034 insertions, 0 deletions
diff --git a/randr/rrdispatch.c b/randr/rrdispatch.c new file mode 100644 index 000000000..acf629832 --- /dev/null +++ b/randr/rrdispatch.c @@ -0,0 +1,1034 @@ +/* + * Copyright © 2006 Keith Packard + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that copyright + * notice and this permission notice appear in supporting documentation, and + * that the name of the copyright holders not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. The copyright holders make no representations + * about the suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THIS SOFTWARE. + */ + +#include "randrstr.h" + +Bool +RRClientKnowsRates (ClientPtr pClient) +{ + rrClientPriv(pClient); + + return (pRRClient->major_version > 1 || + (pRRClient->major_version == 1 && pRRClient->minor_version >= 1)); +} + +typedef struct _RR10Data { + RRScreenSizePtr sizes; + int nsize; + int nrefresh; + int size; + CARD16 refresh; +} RR10DataRec, *RR10DataPtr; + +/* + * Convert 1.2 monitor data into 1.0 screen data + */ +static RR10DataPtr +RR10GetData (ScreenPtr pScreen, RROutputPtr output) +{ + RR10DataPtr data; + RRScreenSizePtr size; + int nmode = output->numModes; + int i, j, k; + RRScreenRatePtr refresh; + CARD16 vRefresh; + RRModePtr mode; + + /* Make sure there is plenty of space for any combination */ + data = malloc (sizeof (RR10DataRec) + + sizeof (RRScreenSize) * nmode + + sizeof (RRScreenRate) * nmode); + if (!data) + return NULL; + size = (RRScreenSizePtr) (data + 1); + refresh = (RRScreenRatePtr) (size + nmode); + data->sizes = size; + data->nsize = 0; + data->nrefresh = 0; + data->size = 0; + data->refresh = 0; + for (i = 0; i < output->numModes; i++) + { + mode = output->modes[i]; + for (j = 0; j < data->nsize; j++) + if (mode->mode.width == size[j].width && + mode->mode.height == size[j].height) + break; + if (j == data->nsize) + { + size[j].id = j; + size[j].width = mode->mode.width; + size[j].height = mode->mode.height; + size[j].mmWidth = mode->mode.mmWidth; + size[j].mmHeight = mode->mode.mmHeight; + size[j].nRates = 0; + size[j].pRates = &refresh[data->nrefresh]; + data->nsize++; + } + vRefresh = RRVerticalRefresh (&mode->mode); + for (k = 0; k < size[j].nRates; k++) + if (vRefresh == size[j].pRates[k].rate) + break; + if (k == size[j].nRates) + { + size[j].pRates[k].rate = vRefresh; + size[j].pRates[k].mode = mode; + size[j].nRates++; + data->nrefresh++; + } + if (mode == output->crtc->mode) + { + data->size = j; + data->refresh = vRefresh; + } + } + return data; +} + +static int +ProcRRQueryVersion (ClientPtr client) +{ + xRRQueryVersionReply rep; + register int n; + REQUEST(xRRQueryVersionReq); + rrClientPriv(client); + + REQUEST_SIZE_MATCH(xRRQueryVersionReq); + pRRClient->major_version = stuff->majorVersion; + pRRClient->minor_version = stuff->minorVersion; + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + /* + * Report the current version; the current + * spec says they're all compatible after 1.0 + */ + rep.majorVersion = RANDR_MAJOR; + rep.minorVersion = RANDR_MINOR; + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swapl(&rep.majorVersion, n); + swapl(&rep.minorVersion, n); + } + WriteToClient(client, sizeof(xRRQueryVersionReply), (char *)&rep); + return (client->noClientException); +} + +static int +ProcRRGetScreenInfo (ClientPtr client) +{ + REQUEST(xRRGetScreenInfoReq); + xRRGetScreenInfoReply rep; + WindowPtr pWin; + int n; + ScreenPtr pScreen; + rrScrPrivPtr pScrPriv; + CARD8 *extra; + unsigned long extraLen; + RROutputPtr output; + + REQUEST_SIZE_MATCH(xRRGetScreenInfoReq); + pWin = (WindowPtr)SecurityLookupWindow(stuff->window, client, + SecurityReadAccess); + + if (!pWin) + return BadWindow; + + pScreen = pWin->drawable.pScreen; + pScrPriv = rrGetScrPriv(pScreen); + rep.pad = 0; + + if (pScrPriv) + RRGetInfo (pScreen); + + output = RRFirstOutput (pScreen); + + if (!pScrPriv || !output) + { + rep.type = X_Reply; + rep.setOfRotations = RR_Rotate_0;; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.root = WindowTable[pWin->drawable.pScreen->myNum]->drawable.id; + rep.timestamp = currentTime.milliseconds; + rep.configTimestamp = currentTime.milliseconds; + rep.nSizes = 0; + rep.sizeID = 0; + rep.rotation = RR_Rotate_0; + rep.rate = 0; + rep.nrateEnts = 0; + extra = 0; + extraLen = 0; + } + else + { + int i, j; + xScreenSizes *size; + CARD16 *rates; + CARD8 *data8; + Bool has_rate = RRClientKnowsRates (client); + RR10DataPtr pData; + RRScreenSizePtr pSize; + + pData = RR10GetData (pScreen, output); + if (!pData) + return BadAlloc; + + rep.type = X_Reply; + rep.setOfRotations = output->crtc->rotations; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.root = WindowTable[pWin->drawable.pScreen->myNum]->drawable.id; + rep.timestamp = pScrPriv->lastSetTime.milliseconds; + rep.configTimestamp = pScrPriv->lastConfigTime.milliseconds; + rep.rotation = output->crtc->rotation; + rep.nSizes = pData->nsize; + rep.nrateEnts = pData->nrefresh + pData->nsize; + rep.sizeID = pData->size; + rep.rate = pData->refresh; + + extraLen = (rep.nSizes * sizeof (xScreenSizes) + + rep.nrateEnts * sizeof (CARD16)); + + extra = (CARD8 *) xalloc (extraLen); + if (!extra) + { + xfree (pData); + return BadAlloc; + } + /* + * First comes the size information + */ + size = (xScreenSizes *) extra; + rates = (CARD16 *) (size + rep.nSizes); + for (i = 0; i < pData->nsize; i++) + { + pSize = &pData->sizes[i]; + size->widthInPixels = pSize->width; + size->heightInPixels = pSize->height; + size->widthInMillimeters = pSize->mmWidth; + size->heightInMillimeters = pSize->mmHeight; + if (client->swapped) + { + swaps (&size->widthInPixels, n); + swaps (&size->heightInPixels, n); + swaps (&size->widthInMillimeters, n); + swaps (&size->heightInMillimeters, n); + } + size++; + if (has_rate) + { + *rates = pSize->nRates; + if (client->swapped) + { + swaps (rates, n); + } + rates++; + for (j = 0; j < pSize->nRates; j++) + { + *rates = pSize->pRates[j].rate; + if (client->swapped) + { + swaps (rates, n); + } + rates++; + } + } + } + xfree (pData); + + data8 = (CARD8 *) rates; + + if (data8 - (CARD8 *) extra != extraLen) + FatalError ("RRGetScreenInfo bad extra len %ld != %ld\n", + (unsigned long)(data8 - (CARD8 *) extra), extraLen); + rep.length = (extraLen + 3) >> 2; + } + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swapl(&rep.timestamp, n); + swaps(&rep.rotation, n); + swaps(&rep.nSizes, n); + swaps(&rep.sizeID, n); + swaps(&rep.rate, n); + swaps(&rep.nrateEnts, n); + } + WriteToClient(client, sizeof(xRRGetScreenInfoReply), (char *)&rep); + if (extraLen) + { + WriteToClient (client, extraLen, (char *) extra); + xfree (extra); + } + return (client->noClientException); +} + +static int +ProcRRSetScreenConfig (ClientPtr client) +{ + REQUEST(xRRSetScreenConfigReq); + xRRSetScreenConfigReply rep; + DrawablePtr pDraw; + int n; + ScreenPtr pScreen; + rrScrPrivPtr pScrPriv; + TimeStamp configTime; + TimeStamp time; + int i; + Rotation rotation; + int rate; + Bool has_rate; + RROutputPtr output; + RRModePtr mode; + RR10DataPtr pData = NULL; + RRScreenSizePtr pSize; + + UpdateCurrentTime (); + + if (RRClientKnowsRates (client)) + { + REQUEST_SIZE_MATCH (xRRSetScreenConfigReq); + has_rate = TRUE; + } + else + { + REQUEST_SIZE_MATCH (xRR1_0SetScreenConfigReq); + has_rate = FALSE; + } + + SECURITY_VERIFY_DRAWABLE(pDraw, stuff->drawable, client, + SecurityWriteAccess); + + pScreen = pDraw->pScreen; + + pScrPriv = rrGetScrPriv(pScreen); + + time = ClientTimeToServerTime(stuff->timestamp); + configTime = ClientTimeToServerTime(stuff->configTimestamp); + + if (!pScrPriv) + { + time = currentTime; + rep.status = RRSetConfigFailed; + goto sendReply; + } + if (!RRGetInfo (pScreen)) + return BadAlloc; + + output = RRFirstOutput (pScreen); + if (!output) + { + time = currentTime; + rep.status = RRSetConfigFailed; + goto sendReply; + } + + /* + * if the client's config timestamp is not the same as the last config + * timestamp, then the config information isn't up-to-date and + * can't even be validated + */ + if (CompareTimeStamps (configTime, pScrPriv->lastConfigTime) != 0) + { + rep.status = RRSetConfigInvalidConfigTime; + goto sendReply; + } + + pData = RR10GetData (pScreen, output); + if (!pData) + return BadAlloc; + + if (stuff->sizeID >= pData->nsize) + { + /* + * Invalid size ID + */ + client->errorValue = stuff->sizeID; + xfree (pData); + return BadValue; + } + pSize = &pData->sizes[stuff->sizeID]; + + /* + * Validate requested rotation + */ + rotation = (Rotation) stuff->rotation; + + /* test the rotation bits only! */ + switch (rotation & 0xf) { + case RR_Rotate_0: + case RR_Rotate_90: + case RR_Rotate_180: + case RR_Rotate_270: + break; + default: + /* + * Invalid rotation + */ + client->errorValue = stuff->rotation; + xfree (pData); + return BadValue; + } + + if ((~output->crtc->rotations) & rotation) + { + /* + * requested rotation or reflection not supported by screen + */ + client->errorValue = stuff->rotation; + xfree (pData); + return BadMatch; + } + + /* + * Validate requested refresh + */ + if (has_rate) + rate = (int) stuff->rate; + else + rate = 0; + + if (rate) + { + for (i = 0; i < pSize->nRates; i++) + { + if (pSize->pRates[i].rate == rate) + break; + } + if (i == pSize->nRates) + { + /* + * Invalid rate + */ + client->errorValue = rate; + xfree (pData); + return BadValue; + } + mode = pSize->pRates[i].mode; + } + else + mode = pSize->pRates[0].mode; + + /* + * Make sure the requested set-time is not older than + * the last set-time + */ + if (CompareTimeStamps (time, pScrPriv->lastSetTime) < 0) + { + rep.status = RRSetConfigInvalidTime; + goto sendReply; + } + + rep.status = RRCrtcSet (output->crtc, mode, 0, 0, stuff->rotation, + 1, &output); + +sendReply: + + if (pData) + xfree (pData); + + rep.type = X_Reply; + /* rep.status has already been filled in */ + rep.length = 0; + rep.sequenceNumber = client->sequence; + + rep.newTimestamp = pScrPriv->lastSetTime.milliseconds; + rep.newConfigTimestamp = pScrPriv->lastConfigTime.milliseconds; + rep.root = WindowTable[pDraw->pScreen->myNum]->drawable.id; + + if (client->swapped) + { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swapl(&rep.newTimestamp, n); + swapl(&rep.newConfigTimestamp, n); + swapl(&rep.root, n); + } + WriteToClient(client, sizeof(xRRSetScreenConfigReply), (char *)&rep); + + return (client->noClientException); +} + +static int +ProcRRSelectInput (ClientPtr client) +{ + REQUEST(xRRSelectInputReq); + rrClientPriv(client); + RRTimesPtr pTimes; + WindowPtr pWin; + RREventPtr pRREvent, *pHead; + XID clientResource; + + REQUEST_SIZE_MATCH(xRRSelectInputReq); + pWin = SecurityLookupWindow (stuff->window, client, SecurityWriteAccess); + if (!pWin) + return BadWindow; + pHead = (RREventPtr *)SecurityLookupIDByType(client, + pWin->drawable.id, RREventType, + SecurityWriteAccess); + + if (stuff->enable & (RRScreenChangeNotifyMask| + RRCrtcChangeNotifyMask| + RROutputChangeNotifyMask)) + { + ScreenPtr pScreen = pWin->drawable.pScreen; + rrScrPriv (pScreen); + + pRREvent = NULL; + if (pHead) + { + /* check for existing entry. */ + for (pRREvent = *pHead; pRREvent; pRREvent = pRREvent->next) + if (pRREvent->client == client) + break; + } + + if (!pRREvent) + { + /* build the entry */ + pRREvent = (RREventPtr) xalloc (sizeof (RREventRec)); + if (!pRREvent) + return BadAlloc; + pRREvent->next = 0; + pRREvent->client = client; + pRREvent->window = pWin; + pRREvent->mask = stuff->enable; + /* + * add a resource that will be deleted when + * the client goes away + */ + clientResource = FakeClientID (client->index); + pRREvent->clientResource = clientResource; + if (!AddResource (clientResource, RRClientType, (pointer)pRREvent)) + return BadAlloc; + /* + * create a resource to contain a pointer to the list + * of clients selecting input. This must be indirect as + * the list may be arbitrarily rearranged which cannot be + * done through the resource database. + */ + if (!pHead) + { + pHead = (RREventPtr *) xalloc (sizeof (RREventPtr)); + if (!pHead || + !AddResource (pWin->drawable.id, RREventType, (pointer)pHead)) + { + FreeResource (clientResource, RT_NONE); + return BadAlloc; + } + *pHead = 0; + } + pRREvent->next = *pHead; + *pHead = pRREvent; + } + /* + * Now see if the client needs an event + */ + if (pScrPriv && (pRREvent->mask & RRScreenChangeNotifyMask)) + { + pTimes = &((RRTimesPtr) (pRRClient + 1))[pScreen->myNum]; + if (CompareTimeStamps (pTimes->setTime, + pScrPriv->lastSetTime) != 0 || + CompareTimeStamps (pTimes->configTime, + pScrPriv->lastConfigTime) != 0) + { + RRDeliverScreenEvent (client, pWin, pScreen); + } + } + } + else if (stuff->enable == 0) + { + /* delete the interest */ + if (pHead) { + RREventPtr pNewRREvent = 0; + for (pRREvent = *pHead; pRREvent; pRREvent = pRREvent->next) { + if (pRREvent->client == client) + break; + pNewRREvent = pRREvent; + } + if (pRREvent) { + FreeResource (pRREvent->clientResource, RRClientType); + if (pNewRREvent) + pNewRREvent->next = pRREvent->next; + else + *pHead = pRREvent->next; + xfree (pRREvent); + } + } + } + else + { + client->errorValue = stuff->enable; + return BadValue; + } + return Success; +} + +/* + * Retrieve valid screen size range + */ +static int +ProcRRGetScreenSizeRange (ClientPtr client) +{ + REQUEST(xRRGetScreenSizeRangeReq); + xRRGetScreenSizeRangeReply rep; + WindowPtr pWin; + ScreenPtr pScreen; + rrScrPrivPtr pScrPriv; + + REQUEST_SIZE_MATCH(xRRGetScreenInfoReq); + pWin = (WindowPtr)SecurityLookupWindow(stuff->window, client, + SecurityReadAccess); + + if (!pWin) + return BadWindow; + + pScreen = pWin->drawable.pScreen; + pScrPriv = rrGetScrPriv(pScreen); + + rep.type = X_Reply; + rep.pad = 0; + rep.sequenceNumber = client->sequence; + rep.length = 0; + + if (pScrPriv) + { + RRGetInfo (pScreen); + rep.minWidth = pScrPriv->minWidth; + rep.minHeight = pScrPriv->minHeight; + rep.maxWidth = pScrPriv->maxWidth; + rep.maxHeight = pScrPriv->maxHeight; + } + else + { + rep.maxWidth = rep.minWidth = pScreen->width; + rep.maxHeight = rep.minHeight = pScreen->height; + } + if (client->swapped) + { + int n; + + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swaps(&rep.minWidth, n); + swaps(&rep.minHeight, n); + swaps(&rep.maxWidth, n); + swaps(&rep.maxHeight, n); + } + WriteToClient(client, sizeof(xRRGetScreenSizeRangeReply), (char *)&rep); + return (client->noClientException); +} + +static int ProcRRSetScreenSize (ClientPtr client) +{ + REQUEST(xRRSetScreenSizeReq); + WindowPtr pWin; + ScreenPtr pScreen; + rrScrPrivPtr pScrPriv; + RRCrtcPtr crtc; + int i; + + REQUEST_SIZE_MATCH(xRRSetScreenSizeReq); + pWin = (WindowPtr)SecurityLookupWindow(stuff->window, client, + SecurityReadAccess); + + if (!pWin) + return BadWindow; + + pScreen = pWin->drawable.pScreen; + pScrPriv = rrGetScrPriv(pScreen); + if (stuff->width < pScrPriv->minWidth || pScrPriv->maxWidth < stuff->width) + { + client->errorValue = stuff->width; + return BadValue; + } + if (stuff->height < pScrPriv->minHeight || + pScrPriv->maxHeight < stuff->height) + { + client->errorValue = stuff->height; + return BadValue; + } + for (i = 0; i < pScrPriv->numCrtcs; i++) { + crtc = pScrPriv->crtcs[i]; + if (crtc->mode && + (crtc->x + crtc->mode->mode.width > stuff->width || + crtc->y + crtc->mode->mode.height > stuff->height)) + return BadMatch; + } + if (stuff->widthInMillimeters == 0 || stuff->heightInMillimeters == 0) + { + client->errorValue = 0; + return BadValue; + } + if (!RRScreenSizeSet (pScreen, + stuff->width, stuff->height, + stuff->widthInMillimeters, + stuff->heightInMillimeters)) + { + return BadMatch; + } + return Success; +} + +static int +ProcRRGetScreenResources (ClientPtr client) +{ + REQUEST(xRRGetScreenResourcesReq); + + REQUEST_SIZE_MATCH(xRRGetScreenResourcesReq); + (void) stuff; + return BadImplementation; +} + +static int +ProcRRGetOutputInfo (ClientPtr client) +{ + REQUEST(xRRGetOutputInfoReq);; + + REQUEST_SIZE_MATCH(xRRGetOutputInfoReq); + (void) stuff; + return BadImplementation; +} + +static int +ProcRRListOutputProperties (ClientPtr client) +{ + REQUEST(xRRListOutputPropertiesReq); + + REQUEST_SIZE_MATCH(xRRListOutputPropertiesReq); + (void) stuff; + return BadImplementation; +} + +static int +ProcRRChangeOutputProperty (ClientPtr client) +{ + REQUEST(xRRChangeOutputPropertyReq); + + REQUEST_SIZE_MATCH(xRRChangeOutputPropertyReq); + (void) stuff; + return BadImplementation; +} + +static int +ProcRRDeleteOutputProperty (ClientPtr client) +{ + REQUEST(xRRDeleteOutputPropertyReq); + + REQUEST_SIZE_MATCH(xRRDeleteOutputPropertyReq); + (void) stuff; + return BadImplementation; +} + +static int +ProcRRGetOutputProperty (ClientPtr client) +{ + REQUEST(xRRGetOutputPropertyReq); + + REQUEST_SIZE_MATCH(xRRGetOutputPropertyReq); + (void) stuff; + return BadImplementation; +} + +static int +ProcRRCreateMode (ClientPtr client) +{ + REQUEST(xRRCreateModeReq); + + REQUEST_SIZE_MATCH(xRRCreateModeReq); + (void) stuff; + return BadImplementation; +} + +static int +ProcRRDestroyMode (ClientPtr client) +{ + REQUEST(xRRDestroyModeReq); + + REQUEST_SIZE_MATCH(xRRDestroyModeReq); + (void) stuff; + return BadImplementation; +} + +static int +ProcRRAddOutputMode (ClientPtr client) +{ + REQUEST(xRRAddOutputModeReq); + + REQUEST_SIZE_MATCH(xRRAddOutputModeReq); + (void) stuff; + return BadImplementation; +} + +static int +ProcRRDeleteOutputMode (ClientPtr client) +{ + REQUEST(xRRDeleteOutputModeReq); + + REQUEST_SIZE_MATCH(xRRDeleteOutputModeReq); + (void) stuff; + return BadImplementation; +} + +static int +ProcRRGetCrtcInfo (ClientPtr client) +{ + REQUEST(xRRGetCrtcInfoReq); + + REQUEST_SIZE_MATCH(xRRGetCrtcInfoReq); + (void) stuff; + return BadImplementation; +} + +static int +ProcRRSetCrtcConfig (ClientPtr client) +{ + REQUEST(xRRSetCrtcConfigReq); + xRRSetCrtcConfigReply rep; + ScreenPtr pScreen; + rrScrPrivPtr pScrPriv; + RRCrtcPtr crtc; + RRModePtr mode; + int numOutputs; + RROutputPtr *outputs = NULL; + RROutput *outputIds; + TimeStamp configTime; + TimeStamp time; + Rotation rotation; + int i, j; + + REQUEST_AT_LEAST_SIZE(xRRSetCrtcConfigReq); + numOutputs = stuff->length - (SIZEOF (xRRSetCrtcConfigReq) >> 2); + + crtc = LookupIDByType (stuff->crtc, RRCrtcType); + if (!crtc) + { + client->errorValue = stuff->crtc; + return RRErrorBase + BadCrtc; + } + if (stuff->mode == None) + { + mode = NULL; + if (numOutputs > 0) + return BadMatch; + } + else + { + mode = LookupIDByType (stuff->mode, RRModeType); + if (!mode) + { + client->errorValue = stuff->mode; + return RRErrorBase + BadMode; + } + if (numOutputs == 0) + return BadMatch; + } + outputs = xalloc (numOutputs * sizeof (RROutputPtr)); + if (!outputs) + return BadAlloc; + + outputIds = (RROutput *) (stuff + 1); + for (i = 0; i < numOutputs; i++) + { + outputs[i] = LookupIDByType (outputIds[i], RROutputType); + if (!outputs[i]) + { + client->errorValue = outputIds[i]; + return RRErrorBase + BadOutput; + } + /* validate crtc for this output */ + for (j = 0; j < outputs[i]->numCrtcs; j++) + if (outputs[i]->crtcs[j] == crtc) + break; + if (j == outputs[j]->numCrtcs) + return BadMatch; + /* validate mode for this output */ + for (j = 0; j < outputs[i]->numModes; j++) + if (outputs[i]->modes[j] == mode) + break; + if (j == outputs[j]->numModes) + return BadMatch; + } + + pScreen = crtc->pScreen; + pScrPriv = rrGetScrPriv(pScreen); + + time = ClientTimeToServerTime(stuff->timestamp); + configTime = ClientTimeToServerTime(stuff->configTimestamp); + + if (!pScrPriv) + { + time = currentTime; + rep.status = RRSetConfigFailed; + goto sendReply; + } + if (!RRGetInfo (pScreen)) + return BadAlloc; + + /* + * if the client's config timestamp is not the same as the last config + * timestamp, then the config information isn't up-to-date and + * can't even be validated + */ + if (CompareTimeStamps (configTime, pScrPriv->lastConfigTime) != 0) + { + rep.status = RRSetConfigInvalidConfigTime; + goto sendReply; + } + + /* + * Validate requested rotation + */ + rotation = (Rotation) stuff->rotation; + + /* test the rotation bits only! */ + switch (rotation & 0xf) { + case RR_Rotate_0: + case RR_Rotate_90: + case RR_Rotate_180: + case RR_Rotate_270: + break; + default: + /* + * Invalid rotation + */ + client->errorValue = stuff->rotation; + return BadValue; + } + + if ((~crtc->rotations) & rotation) + { + /* + * requested rotation or reflection not supported by screen + */ + client->errorValue = stuff->rotation; + return BadMatch; + } + + if (stuff->x + mode->mode.width > pScreen->width) + { + client->errorValue = stuff->x; + return BadValue; + } + + if (stuff->y + mode->mode.height > pScreen->height) + { + client->errorValue = stuff->y; + return BadValue; + } + + /* + * Make sure the requested set-time is not older than + * the last set-time + */ + if (CompareTimeStamps (time, pScrPriv->lastSetTime) < 0) + { + rep.status = RRSetConfigInvalidTime; + goto sendReply; + } + + rep.status = RRCrtcSet (crtc, mode, stuff->x, stuff->y, + rotation, numOutputs, outputs); + +sendReply: + if (outputs) + xfree (outputs); + + rep.type = X_Reply; + /* rep.status has already been filled in */ + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.newTimestamp = pScrPriv->lastConfigTime.milliseconds; + + if (client->swapped) + { + int n; + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swapl(&rep.newTimestamp, n); + } + WriteToClient(client, sizeof(xRRSetCrtcConfigReply), (char *)&rep); + + return client->noClientException; +} + +static int +ProcRRGetCrtcGammaSize (ClientPtr client) +{ + REQUEST(xRRGetCrtcGammaSizeReq); + + REQUEST_SIZE_MATCH(xRRGetCrtcGammaSizeReq); + (void) stuff; + return BadImplementation; +} + +static int +ProcRRGetCrtcGamma (ClientPtr client) +{ + REQUEST(xRRGetCrtcGammaReq); + + REQUEST_SIZE_MATCH(xRRGetCrtcGammaReq); + (void) stuff; + return BadImplementation; +} + +static int +ProcRRSetCrtcGamma (ClientPtr client) +{ + REQUEST(xRRSetCrtcGammaReq); + + REQUEST_SIZE_MATCH(xRRSetCrtcGammaReq); + (void) stuff; + return BadImplementation; +} + +int (*ProcRandrVector[RRNumberRequests])(ClientPtr) = { + ProcRRQueryVersion, /* 0 */ +/* we skip 1 to make old clients fail pretty immediately */ + NULL, /* 1 ProcRandrOldGetScreenInfo */ +/* V1.0 apps share the same set screen config request id */ + ProcRRSetScreenConfig, /* 2 */ + NULL, /* 3 ProcRandrOldScreenChangeSelectInput */ +/* 3 used to be ScreenChangeSelectInput; deprecated */ + ProcRRSelectInput, /* 4 */ + ProcRRGetScreenInfo, /* 5 */ +/* V1.2 additions */ + ProcRRGetScreenSizeRange, /* 6 */ + ProcRRSetScreenSize, /* 7 */ + ProcRRGetScreenResources, /* 8 */ + ProcRRGetOutputInfo, /* 9 */ + ProcRRListOutputProperties, /* 10 */ + ProcRRChangeOutputProperty, /* 11 */ + ProcRRDeleteOutputProperty, /* 12 */ + ProcRRGetOutputProperty, /* 13 */ + ProcRRCreateMode, /* 14 */ + ProcRRDestroyMode, /* 15 */ + ProcRRAddOutputMode, /* 16 */ + ProcRRDeleteOutputMode, /* 17 */ + ProcRRGetCrtcInfo, /* 18 */ + ProcRRSetCrtcConfig, /* 19 */ + ProcRRGetCrtcGammaSize, /* 20 */ + ProcRRGetCrtcGamma, /* 21 */ + ProcRRSetCrtcGamma, /* 22 */ +}; + |