diff options
author | Keith Packard <keithp@guitar.keithp.com> | 2006-09-19 22:48:54 -0700 |
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committer | Keith Packard <keithp@guitar.keithp.com> | 2006-09-19 22:48:54 -0700 |
commit | ef1f3248cb5fff0a02c0059f865c4d931eba23a6 (patch) | |
tree | eba375889f7b55b520ba875e7adcf7f599f8ab42 /randr/rrscreen.c | |
parent | 07112adb0802d28488de5a495aa61bb3cfc280b6 (diff) |
Split out 1.0-style info and new property routines to their own files.
Diffstat (limited to 'randr/rrscreen.c')
-rw-r--r-- | randr/rrscreen.c | 651 |
1 files changed, 651 insertions, 0 deletions
diff --git a/randr/rrscreen.c b/randr/rrscreen.c index 47ba12d39..58d5152d0 100644 --- a/randr/rrscreen.c +++ b/randr/rrscreen.c @@ -203,3 +203,654 @@ RRScreenSizeSet (ScreenPtr pScreen, return FALSE; } +/* + * Retrieve valid screen size range + */ +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); +} + +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; +} + +int +ProcRRGetScreenResources (ClientPtr client) +{ + REQUEST(xRRGetScreenResourcesReq); + xRRGetScreenResourcesReply rep; + WindowPtr pWin; + ScreenPtr pScreen; + rrScrPrivPtr pScrPriv; + CARD8 *extra; + unsigned long extraLen; + int i; + RRCrtc *crtcs; + RROutput *outputs; + xRRModeInfo *modeinfos; + CARD8 *names; + int n; + + REQUEST_SIZE_MATCH(xRRGetScreenResourcesReq); + 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); + + if (!pScrPriv) + { + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.timestamp = currentTime.milliseconds; + rep.configTimestamp = currentTime.milliseconds; + rep.nCrtcs = 0; + rep.nOutputs = 0; + rep.nModes = 0; + rep.nbytesNames = 0; + extra = NULL; + extraLen = 0; + } + else + { + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.timestamp = currentTime.milliseconds; + rep.configTimestamp = currentTime.milliseconds; + rep.nCrtcs = pScrPriv->numCrtcs; + rep.nOutputs = pScrPriv->numOutputs; + rep.nModes = pScrPriv->numModes;; + rep.nbytesNames = 0; + + for (i = 0; i < pScrPriv->numModes; i++) + rep.nbytesNames += pScrPriv->modes[i]->mode.nameLength; + + rep.length = (pScrPriv->numCrtcs + + pScrPriv->numOutputs + + pScrPriv->numModes * 10 + + ((rep.nbytesNames + 3) >> 2)); + + extraLen = rep.length << 2; + extra = xalloc (extraLen); + if (!extra) + return BadAlloc; + + crtcs = (RRCrtc *) extra; + outputs = (RROutput *) (crtcs + pScrPriv->numCrtcs); + modeinfos = (xRRModeInfo *) (outputs + pScrPriv->numOutputs); + names = (CARD8 *) (modeinfos + pScrPriv->numModes); + + for (i = 0; i < pScrPriv->numCrtcs; i++) + { + crtcs[i] = pScrPriv->crtcs[i]->id; + if (client->swapped) + swapl (&crtcs[i], n); + } + + for (i = 0; i < pScrPriv->numOutputs; i++) + { + outputs[i] = pScrPriv->outputs[i]->id; + if (client->swapped) + swapl (&outputs[i], n); + } + + for (i = 0; i < pScrPriv->numModes; i++) + { + modeinfos[i] = pScrPriv->modes[i]->mode; + if (client->swapped) + { + swapl (&modeinfos[i].id, n); + swaps (&modeinfos[i].width, n); + swaps (&modeinfos[i].height, n); + swapl (&modeinfos[i].mmWidth, n); + swapl (&modeinfos[i].mmHeight, n); + swapl (&modeinfos[i].dotClock, n); + swaps (&modeinfos[i].hSyncStart, n); + swaps (&modeinfos[i].hSyncEnd, n); + swaps (&modeinfos[i].hTotal, n); + swaps (&modeinfos[i].hSkew, n); + swaps (&modeinfos[i].vSyncStart, n); + swaps (&modeinfos[i].vSyncEnd, n); + swaps (&modeinfos[i].vTotal, n); + swaps (&modeinfos[i].nameLength, n); + swapl (&modeinfos[i].modeFlags, n); + } + memcpy (names, pScrPriv->modes[i]->name, + pScrPriv->modes[i]->mode.nameLength); + names += pScrPriv->modes[i]->mode.nameLength; + } + assert ((names + 3 >> 3) == rep.length); + } + + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swapl(&rep.timestamp, n); + swapl(&rep.configTimestamp, n); + swaps(&rep.nCrtcs, n); + swaps(&rep.nOutputs, n); + swaps(&rep.nModes, n); + swaps(&rep.nbytesNames, n); + } + WriteToClient(client, sizeof(xRRGetScreenResourcesReply), (char *)&rep); + if (extraLen) + { + WriteToClient (client, extraLen, (char *) extra); + xfree (extra); + } + return client->noClientException; +} + +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; +} + +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); +} + +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); +} + |