From fe2ccbf887ddf31f99d6f630830e3180ff259e40 Mon Sep 17 00:00:00 2001 From: marha Date: Mon, 20 Dec 2010 09:39:54 +0000 Subject: xserver libXext git update 20-12-2010 --- xorg-server/randr/rrscreen.c | 2062 +++++++++++++++++++++--------------------- 1 file changed, 1037 insertions(+), 1025 deletions(-) (limited to 'xorg-server/randr') diff --git a/xorg-server/randr/rrscreen.c b/xorg-server/randr/rrscreen.c index 318dfaa91..0efc62e87 100644 --- a/xorg-server/randr/rrscreen.c +++ b/xorg-server/randr/rrscreen.c @@ -1,1025 +1,1037 @@ -/* - * 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" - -static const int padlength[4] = {0, 3, 2, 1}; - -static CARD16 -RR10CurrentSizeID (ScreenPtr pScreen); - -/* - * Edit connection information block so that new clients - * see the current screen size on connect - */ -static void -RREditConnectionInfo (ScreenPtr pScreen) -{ - xConnSetup *connSetup; - char *vendor; - xPixmapFormat *formats; - xWindowRoot *root; - xDepth *depth; - xVisualType *visual; - int screen = 0; - int d; - - connSetup = (xConnSetup *) ConnectionInfo; - vendor = (char *) connSetup + sizeof (xConnSetup); - formats = (xPixmapFormat *) ((char *) vendor + - connSetup->nbytesVendor + - padlength[connSetup->nbytesVendor & 3]); - root = (xWindowRoot *) ((char *) formats + - sizeof (xPixmapFormat) * screenInfo.numPixmapFormats); - while (screen != pScreen->myNum) - { - depth = (xDepth *) ((char *) root + - sizeof (xWindowRoot)); - for (d = 0; d < root->nDepths; d++) - { - visual = (xVisualType *) ((char *) depth + - sizeof (xDepth)); - depth = (xDepth *) ((char *) visual + - depth->nVisuals * sizeof (xVisualType)); - } - root = (xWindowRoot *) ((char *) depth); - screen++; - } - root->pixWidth = pScreen->width; - root->pixHeight = pScreen->height; - root->mmWidth = pScreen->mmWidth; - root->mmHeight = pScreen->mmHeight; -} - -void -RRSendConfigNotify (ScreenPtr pScreen) -{ - WindowPtr pWin = pScreen->root; - xEvent event; - - event.u.u.type = ConfigureNotify; - event.u.configureNotify.window = pWin->drawable.id; - event.u.configureNotify.aboveSibling = None; - event.u.configureNotify.x = 0; - event.u.configureNotify.y = 0; - - /* XXX xinerama stuff ? */ - - event.u.configureNotify.width = pWin->drawable.width; - event.u.configureNotify.height = pWin->drawable.height; - event.u.configureNotify.borderWidth = wBorderWidth (pWin); - event.u.configureNotify.override = pWin->overrideRedirect; - DeliverEvents(pWin, &event, 1, NullWindow); -} - -void -RRDeliverScreenEvent (ClientPtr client, WindowPtr pWin, ScreenPtr pScreen) -{ - rrScrPriv (pScreen); - xRRScreenChangeNotifyEvent se; - RRCrtcPtr crtc = pScrPriv->numCrtcs ? pScrPriv->crtcs[0] : NULL; - WindowPtr pRoot = pScreen->root; - - se.type = RRScreenChangeNotify + RREventBase; - se.rotation = (CARD8) (crtc ? crtc->rotation : RR_Rotate_0); - se.timestamp = pScrPriv->lastSetTime.milliseconds; - se.configTimestamp = pScrPriv->lastConfigTime.milliseconds; - se.root = pRoot->drawable.id; - se.window = pWin->drawable.id; - se.subpixelOrder = PictureGetSubpixelOrder (pScreen); - - se.sizeID = RR10CurrentSizeID (pScreen); - - if (se.rotation & (RR_Rotate_90 | RR_Rotate_270)) { - se.widthInPixels = pScreen->height; - se.heightInPixels = pScreen->width; - se.widthInMillimeters = pScreen->mmHeight; - se.heightInMillimeters = pScreen->mmWidth; - } else { - se.widthInPixels = pScreen->width; - se.heightInPixels = pScreen->height; - se.widthInMillimeters = pScreen->mmWidth; - se.heightInMillimeters = pScreen->mmHeight; - } - - WriteEventsToClient (client, 1, (xEvent *) &se); -} - -/* - * Notify the extension that the screen size has been changed. - * The driver is responsible for calling this whenever it has changed - * the size of the screen - */ -void -RRScreenSizeNotify (ScreenPtr pScreen) -{ - rrScrPriv(pScreen); - /* - * Deliver ConfigureNotify events when root changes - * pixel size - */ - if (pScrPriv->width == pScreen->width && - pScrPriv->height == pScreen->height && - pScrPriv->mmWidth == pScreen->mmWidth && - pScrPriv->mmHeight == pScreen->mmHeight) - return; - - pScrPriv->width = pScreen->width; - pScrPriv->height = pScreen->height; - pScrPriv->mmWidth = pScreen->mmWidth; - pScrPriv->mmHeight = pScreen->mmHeight; - pScrPriv->changed = TRUE; -/* pScrPriv->sizeChanged = TRUE; */ - - RRTellChanged (pScreen); - RRSendConfigNotify (pScreen); - RREditConnectionInfo (pScreen); - - RRPointerScreenConfigured (pScreen); - /* - * Fix pointer bounds and location - */ - ScreenRestructured (pScreen); -} - -/* - * Request that the screen be resized - */ -Bool -RRScreenSizeSet (ScreenPtr pScreen, - CARD16 width, - CARD16 height, - CARD16 pixWidth, - CARD16 pixHeight, - CARD32 mmWidth, - CARD32 mmHeight) -{ - rrScrPriv(pScreen); - -#if RANDR_12_INTERFACE - if (pScrPriv->rrScreenSetSize) - { - return (*pScrPriv->rrScreenSetSize) (pScreen, - width, height, - pixWidth, pixHeight, - mmWidth, mmHeight); - } -#endif -#if RANDR_10_INTERFACE - if (pScrPriv->rrSetConfig) - { - return TRUE; /* can't set size separately */ - } -#endif - return FALSE; -} - -/* - * Compute an RRScreenConfig from the current screen information - */ -void -RRScreenCurrentConfig(ScreenPtr screen, - RRScreenConfigPtr screen_config) -{ - PixmapPtr screen_pixmap = screen->GetScreenPixmap(screen); - WindowPtr root = screen->root; - - screen_config->screen_pixmap_width = screen_pixmap->drawable.width; - screen_config->screen_pixmap_height = screen_pixmap->drawable.height; - screen_config->screen_width = root->drawable.width; - screen_config->screen_height = root->drawable.height; - screen_config->mm_width = screen->mmWidth; - screen_config->mm_height = screen->mmHeight; -} - -/* - * Retrieve valid screen size range - */ -int -ProcRRGetScreenSizeRange (ClientPtr client) -{ - REQUEST(xRRGetScreenSizeRangeReq); - xRRGetScreenSizeRangeReply rep; - WindowPtr pWin; - ScreenPtr pScreen; - rrScrPrivPtr pScrPriv; - int rc; - - REQUEST_SIZE_MATCH(xRRGetScreenInfoReq); - rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); - if (rc != Success) - return rc; - - pScreen = pWin->drawable.pScreen; - pScrPriv = rrGetScrPriv(pScreen); - - rep.type = X_Reply; - rep.pad = 0; - rep.sequenceNumber = client->sequence; - rep.length = 0; - - if (pScrPriv) - { - if (!RRGetInfo (pScreen, FALSE)) - return BadAlloc; - 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 Success; -} - -int -ProcRRSetScreenSize (ClientPtr client) -{ - REQUEST(xRRSetScreenSizeReq); - WindowPtr pWin; - ScreenPtr pScreen; - rrScrPrivPtr pScrPriv; - int i, rc; - - REQUEST_SIZE_MATCH(xRRSetScreenSizeReq); - rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); - if (rc != Success) - return rc; - - 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++) - { - RRCrtcPtr crtc = pScrPriv->crtcs[i]; - RRModePtr mode = crtc->mode; - if (mode) - { - int source_width = mode->mode.width; - int source_height = mode->mode.height; - Rotation rotation = crtc->rotation; - - if (rotation == RR_Rotate_90 || rotation == RR_Rotate_270) - { - source_width = mode->mode.height; - source_height = mode->mode.width; - } - - if (crtc->x + source_width > stuff->width || - crtc->y + source_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->width, stuff->height, - stuff->widthInMillimeters, - stuff->heightInMillimeters)) - { - return BadMatch; - } - return Success; -} - -static int -rrGetScreenResources(ClientPtr client, Bool query) -{ - REQUEST(xRRGetScreenResourcesReq); - xRRGetScreenResourcesReply rep; - WindowPtr pWin; - ScreenPtr pScreen; - rrScrPrivPtr pScrPriv; - CARD8 *extra; - unsigned long extraLen; - int i, n, rc, has_primary = 0; - RRCrtc *crtcs; - RROutput *outputs; - xRRModeInfo *modeinfos; - CARD8 *names; - - REQUEST_SIZE_MATCH(xRRGetScreenResourcesReq); - rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); - if (rc != Success) - return rc; - - pScreen = pWin->drawable.pScreen; - pScrPriv = rrGetScrPriv(pScreen); - rep.pad = 0; - - if (query && pScrPriv) - if (!RRGetInfo (pScreen, query)) - return BadAlloc; - - 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 - { - RRModePtr *modes; - int num_modes; - - modes = RRModesForScreen (pScreen, &num_modes); - if (!modes) - return BadAlloc; - - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.length = 0; - rep.timestamp = pScrPriv->lastSetTime.milliseconds; - rep.configTimestamp = pScrPriv->lastConfigTime.milliseconds; - rep.nCrtcs = pScrPriv->numCrtcs; - rep.nOutputs = pScrPriv->numOutputs; - rep.nModes = num_modes; - rep.nbytesNames = 0; - - for (i = 0; i < num_modes; i++) - rep.nbytesNames += modes[i]->mode.nameLength; - - rep.length = (pScrPriv->numCrtcs + - pScrPriv->numOutputs + - num_modes * bytes_to_int32(SIZEOF(xRRModeInfo)) + - bytes_to_int32(rep.nbytesNames)); - - extraLen = rep.length << 2; - if (extraLen) - { - extra = malloc(extraLen); - if (!extra) - { - free(modes); - return BadAlloc; - } - } - else - extra = NULL; - - crtcs = (RRCrtc *) extra; - outputs = (RROutput *) (crtcs + pScrPriv->numCrtcs); - modeinfos = (xRRModeInfo *) (outputs + pScrPriv->numOutputs); - names = (CARD8 *) (modeinfos + num_modes); - - if (pScrPriv->primaryOutput && pScrPriv->primaryOutput->crtc) - { - has_primary = 1; - crtcs[0] = pScrPriv->primaryOutput->crtc->id; - if (client->swapped) - swapl (&crtcs[0], n); - } - - for (i = 0; i < pScrPriv->numCrtcs; i++) - { - if (has_primary && - pScrPriv->primaryOutput->crtc == pScrPriv->crtcs[i]) - { - has_primary = 0; - continue; - } - crtcs[i + has_primary] = pScrPriv->crtcs[i]->id; - if (client->swapped) - swapl (&crtcs[i + has_primary], 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 < num_modes; i++) - { - RRModePtr mode = modes[i]; - modeinfos[i] = mode->mode; - if (client->swapped) - { - swapl (&modeinfos[i].id, n); - swaps (&modeinfos[i].width, n); - swaps (&modeinfos[i].height, 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, mode->name, - mode->mode.nameLength); - names += mode->mode.nameLength; - } - free(modes); - assert (bytes_to_int32((char *) names - (char *) extra) == 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); - free(extra); - } - return Success; -} - -int -ProcRRGetScreenResources (ClientPtr client) -{ - return rrGetScreenResources(client, TRUE); -} - -int -ProcRRGetScreenResourcesCurrent (ClientPtr client) -{ - return rrGetScreenResources(client, FALSE); -} - -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 + output->numUserModes; - int o, os, l, r; - RRScreenRatePtr refresh; - CARD16 vRefresh; - RRModePtr mode; - Bool *used; - - /* Make sure there is plenty of space for any combination */ - data = malloc (sizeof (RR10DataRec) + - sizeof (RRScreenSize) * nmode + - sizeof (RRScreenRate) * nmode + - sizeof (Bool) * nmode); - if (!data) - return NULL; - size = (RRScreenSizePtr) (data + 1); - refresh = (RRScreenRatePtr) (size + nmode); - used = (Bool *) (refresh + nmode); - memset (used, '\0', sizeof (Bool) * nmode); - data->sizes = size; - data->nsize = 0; - data->nrefresh = 0; - data->size = 0; - data->refresh = 0; - - /* - * find modes not yet listed - */ - for (o = 0; o < output->numModes + output->numUserModes; o++) - { - if (used[o]) continue; - - if (o < output->numModes) - mode = output->modes[o]; - else - mode = output->userModes[o - output->numModes]; - - l = data->nsize; - size[l].id = data->nsize; - size[l].width = mode->mode.width; - size[l].height = mode->mode.height; - if (output->mmWidth && output->mmHeight) { - size[l].mmWidth = output->mmWidth; - size[l].mmHeight = output->mmHeight; - } else { - size[l].mmWidth = pScreen->mmWidth; - size[l].mmHeight = pScreen->mmHeight; - } - size[l].nRates = 0; - size[l].pRates = &refresh[data->nrefresh]; - data->nsize++; - - /* - * Find all modes with matching size - */ - for (os = o; os < output->numModes + output->numUserModes; os++) - { - if (os < output->numModes) - mode = output->modes[os]; - else - mode = output->userModes[os - output->numModes]; - if (mode->mode.width == size[l].width && - mode->mode.height == size[l].height) - { - vRefresh = RRVerticalRefresh (&mode->mode); - used[os] = TRUE; - - for (r = 0; r < size[l].nRates; r++) - if (vRefresh == size[l].pRates[r].rate) - break; - if (r == size[l].nRates) - { - size[l].pRates[r].rate = vRefresh; - size[l].pRates[r].mode = mode; - size[l].nRates++; - data->nrefresh++; - } - if (mode == output->crtc->mode) - { - data->size = l; - data->refresh = vRefresh; - } - } - } - } - return data; -} - -int -ProcRRGetScreenInfo (ClientPtr client) -{ - REQUEST(xRRGetScreenInfoReq); - xRRGetScreenInfoReply rep; - WindowPtr pWin; - int n, rc; - ScreenPtr pScreen; - rrScrPrivPtr pScrPriv; - CARD8 *extra; - unsigned long extraLen; - RROutputPtr output; - - REQUEST_SIZE_MATCH(xRRGetScreenInfoReq); - rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); - if (rc != Success) - return rc; - - pScreen = pWin->drawable.pScreen; - pScrPriv = rrGetScrPriv(pScreen); - rep.pad = 0; - - if (pScrPriv) - if (!RRGetInfo (pScreen, TRUE)) - return BadAlloc; - - output = RRFirstOutput (pScreen); - - if (!pScrPriv || !output) - { - rep.type = X_Reply; - rep.setOfRotations = RR_Rotate_0; - rep.sequenceNumber = client->sequence; - rep.length = 0; - rep.root = pWin->drawable.pScreen->root->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 = pWin->drawable.pScreen->root->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); - if (has_rate) - extraLen += rep.nrateEnts * sizeof (CARD16); - - if (extraLen) - { - extra = (CARD8 *) malloc(extraLen); - if (!extra) - { - free(pData); - return BadAlloc; - } - } - else - extra = NULL; - - /* - * 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++; - } - } - } - free(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 = bytes_to_int32(extraLen); - } - 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); - free(extra); - } - return Success; -} - -int -ProcRRSetScreenConfig (ClientPtr client) -{ - REQUEST(xRRSetScreenConfigReq); - xRRSetScreenConfigReply rep; - DrawablePtr pDraw; - int n, rc; - ScreenPtr pScreen; - rrScrPrivPtr pScrPriv; - TimeStamp time; - int i; - Rotation rotation; - int rate; - Bool has_rate; - RROutputPtr output; - RRCrtcPtr crtc; - RRModePtr mode; - RR10DataPtr pData = NULL; - RRScreenSizePtr pSize; - int width, height; - - UpdateCurrentTime (); - - if (RRClientKnowsRates (client)) - { - REQUEST_SIZE_MATCH (xRRSetScreenConfigReq); - has_rate = TRUE; - } - else - { - REQUEST_SIZE_MATCH (xRR1_0SetScreenConfigReq); - has_rate = FALSE; - } - - rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, DixWriteAccess); - if (rc != Success) { - client->errorValue = stuff->drawable; - return rc; - } - - pScreen = pDraw->pScreen; - - pScrPriv = rrGetScrPriv(pScreen); - - time = ClientTimeToServerTime(stuff->timestamp); - - if (!pScrPriv) - { - time = currentTime; - rep.status = RRSetConfigFailed; - goto sendReply; - } - if (!RRGetInfo (pScreen, FALSE)) - return BadAlloc; - - output = RRFirstOutput (pScreen); - if (!output) - { - time = currentTime; - rep.status = RRSetConfigFailed; - goto sendReply; - } - - crtc = output->crtc; - - /* - * 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. - * - * Note that the client only knows about the milliseconds part of the - * timestamp, so using CompareTimeStamps here would cause randr to suddenly - * stop working after several hours have passed (freedesktop bug #6502). - */ - if (stuff->configTimestamp != pScrPriv->lastConfigTime.milliseconds) - { - 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; - free(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; - free(pData); - return BadValue; - } - - if ((~crtc->rotations) & rotation) - { - /* - * requested rotation or reflection not supported by screen - */ - client->errorValue = stuff->rotation; - free(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; - free(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; - } - - /* - * If the screen size is changing, adjust all of the other outputs - * to fit the new size, mirroring as much as possible - */ - width = mode->mode.width; - height = mode->mode.height; - if (rotation & (RR_Rotate_90|RR_Rotate_270)) - { - width = mode->mode.height; - height = mode->mode.width; - } - if (width != pScreen->width || height != pScreen->height) - { - int c; - - for (c = 0; c < pScrPriv->numCrtcs; c++) - { - if (!RRCrtcSet (pScrPriv->crtcs[c], NULL, 0, 0, RR_Rotate_0, - 0, NULL, NULL)) - { - rep.status = RRSetConfigFailed; - /* XXX recover from failure */ - goto sendReply; - } - } - if (!RRScreenSizeSet (pScreen, width, height, width, height, - pScreen->mmWidth, pScreen->mmHeight)) - { - rep.status = RRSetConfigFailed; - /* XXX recover from failure */ - goto sendReply; - } - } - - if (!RRCrtcSet (crtc, mode, 0, 0, stuff->rotation, 1, &output, NULL)) - rep.status = RRSetConfigFailed; - else { - pScrPriv->lastSetTime = time; - rep.status = RRSetConfigSuccess; - } - - /* - * XXX Configure other crtcs to mirror as much as possible - */ - -sendReply: - - free(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 = pDraw->pScreen->root->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 Success; -} - -static CARD16 -RR10CurrentSizeID (ScreenPtr pScreen) -{ - CARD16 sizeID = 0xffff; - RROutputPtr output = RRFirstOutput (pScreen); - - if (output) - { - RR10DataPtr data = RR10GetData (pScreen, output); - if (data) - { - int i; - for (i = 0; i < data->nsize; i++) - if (data->sizes[i].width == pScreen->width && - data->sizes[i].height == pScreen->height) - { - sizeID = (CARD16) i; - break; - } - free(data); - } - } - return sizeID; -} +/* + * 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" + +static const int padlength[4] = {0, 3, 2, 1}; + +static CARD16 +RR10CurrentSizeID (ScreenPtr pScreen); + +/* + * Edit connection information block so that new clients + * see the current screen size on connect + */ +static void +RREditConnectionInfo (ScreenPtr pScreen) +{ + xConnSetup *connSetup; + char *vendor; + xPixmapFormat *formats; + xWindowRoot *root; + xDepth *depth; + xVisualType *visual; + int screen = 0; + int d; + + connSetup = (xConnSetup *) ConnectionInfo; + vendor = (char *) connSetup + sizeof (xConnSetup); + formats = (xPixmapFormat *) ((char *) vendor + + connSetup->nbytesVendor + + padlength[connSetup->nbytesVendor & 3]); + root = (xWindowRoot *) ((char *) formats + + sizeof (xPixmapFormat) * screenInfo.numPixmapFormats); + while (screen != pScreen->myNum) + { + depth = (xDepth *) ((char *) root + + sizeof (xWindowRoot)); + for (d = 0; d < root->nDepths; d++) + { + visual = (xVisualType *) ((char *) depth + + sizeof (xDepth)); + depth = (xDepth *) ((char *) visual + + depth->nVisuals * sizeof (xVisualType)); + } + root = (xWindowRoot *) ((char *) depth); + screen++; + } + root->pixWidth = pScreen->width; + root->pixHeight = pScreen->height; + root->mmWidth = pScreen->mmWidth; + root->mmHeight = pScreen->mmHeight; +} + +void +RRSendConfigNotify (ScreenPtr pScreen) +{ + WindowPtr pWin = pScreen->root; + xEvent event; + + event.u.u.type = ConfigureNotify; + event.u.configureNotify.window = pWin->drawable.id; + event.u.configureNotify.aboveSibling = None; + event.u.configureNotify.x = 0; + event.u.configureNotify.y = 0; + + /* XXX xinerama stuff ? */ + + event.u.configureNotify.width = pWin->drawable.width; + event.u.configureNotify.height = pWin->drawable.height; + event.u.configureNotify.borderWidth = wBorderWidth (pWin); + event.u.configureNotify.override = pWin->overrideRedirect; + DeliverEvents(pWin, &event, 1, NullWindow); +} + +void +RRDeliverScreenEvent (ClientPtr client, WindowPtr pWin, ScreenPtr pScreen) +{ + rrScrPriv (pScreen); + xRRScreenChangeNotifyEvent se; + RRCrtcPtr crtc = pScrPriv->numCrtcs ? pScrPriv->crtcs[0] : NULL; + WindowPtr pRoot = pScreen->root; + + se.type = RRScreenChangeNotify + RREventBase; + se.rotation = (CARD8) (crtc ? crtc->rotation : RR_Rotate_0); + se.timestamp = pScrPriv->lastSetTime.milliseconds; + se.configTimestamp = pScrPriv->lastConfigTime.milliseconds; + se.root = pRoot->drawable.id; + se.window = pWin->drawable.id; + se.subpixelOrder = PictureGetSubpixelOrder (pScreen); + + se.sizeID = RR10CurrentSizeID (pScreen); + + if (se.rotation & (RR_Rotate_90 | RR_Rotate_270)) { + se.widthInPixels = pScreen->height; + se.heightInPixels = pScreen->width; + se.widthInMillimeters = pScreen->mmHeight; + se.heightInMillimeters = pScreen->mmWidth; + } else { + se.widthInPixels = pScreen->width; + se.heightInPixels = pScreen->height; + se.widthInMillimeters = pScreen->mmWidth; + se.heightInMillimeters = pScreen->mmHeight; + } + + WriteEventsToClient (client, 1, (xEvent *) &se); +} + +/* + * Notify the extension that the screen size has been changed. + * The driver is responsible for calling this whenever it has changed + * the size of the screen + */ +void +RRScreenSizeNotify (ScreenPtr pScreen) +{ + rrScrPriv(pScreen); + /* + * Deliver ConfigureNotify events when root changes + * pixel size + */ + if (pScrPriv->width == pScreen->width && + pScrPriv->height == pScreen->height && + pScrPriv->mmWidth == pScreen->mmWidth && + pScrPriv->mmHeight == pScreen->mmHeight) + return; + + pScrPriv->width = pScreen->width; + pScrPriv->height = pScreen->height; + pScrPriv->mmWidth = pScreen->mmWidth; + pScrPriv->mmHeight = pScreen->mmHeight; + pScrPriv->changed = TRUE; +/* pScrPriv->sizeChanged = TRUE; */ + + RRTellChanged (pScreen); + RRSendConfigNotify (pScreen); + RREditConnectionInfo (pScreen); + + RRPointerScreenConfigured (pScreen); + /* + * Fix pointer bounds and location + */ + ScreenRestructured (pScreen); +} + +/* + * Request that the screen be resized + */ +Bool +RRScreenSizeSet (ScreenPtr pScreen, + CARD16 width, + CARD16 height, + CARD16 pixWidth, + CARD16 pixHeight, + CARD32 mmWidth, + CARD32 mmHeight) +{ + rrScrPriv(pScreen); + +#if RANDR_12_INTERFACE + if (pScrPriv->rrScreenSetSize) + { + return (*pScrPriv->rrScreenSetSize) (pScreen, + width, height, + pixWidth, pixHeight, + mmWidth, mmHeight); + } +#endif +#if RANDR_10_INTERFACE + if (pScrPriv->rrSetConfig) + { + return TRUE; /* can't set size separately */ + } +#endif + return FALSE; +} + +/* + * Compute an RRScreenConfig from the current screen information + */ +void +RRScreenCurrentConfig(ScreenPtr screen, + RRScreenConfigPtr screen_config) +{ + PixmapPtr screen_pixmap = screen->GetScreenPixmap(screen); + WindowPtr root = screen->root; + + screen_config->screen_pixmap_width = screen_pixmap->drawable.width; + screen_config->screen_pixmap_height = screen_pixmap->drawable.height; + screen_config->screen_width = root->drawable.width; + screen_config->screen_height = root->drawable.height; + screen_config->mm_width = screen->mmWidth; + screen_config->mm_height = screen->mmHeight; +} + +/* + * Retrieve valid screen size range + */ +int +ProcRRGetScreenSizeRange (ClientPtr client) +{ + REQUEST(xRRGetScreenSizeRangeReq); + xRRGetScreenSizeRangeReply rep; + WindowPtr pWin; + ScreenPtr pScreen; + rrScrPrivPtr pScrPriv; + int rc; + + REQUEST_SIZE_MATCH(xRRGetScreenInfoReq); + rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); + if (rc != Success) + return rc; + + pScreen = pWin->drawable.pScreen; + pScrPriv = rrGetScrPriv(pScreen); + + rep.type = X_Reply; + rep.pad = 0; + rep.sequenceNumber = client->sequence; + rep.length = 0; + + if (pScrPriv) + { + if (!RRGetInfo (pScreen, FALSE)) + return BadAlloc; + 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 Success; +} + +int +ProcRRSetScreenSize (ClientPtr client) +{ + REQUEST(xRRSetScreenSizeReq); + WindowPtr pWin; + ScreenPtr pScreen; + rrScrPrivPtr pScrPriv; + int i, rc; + + REQUEST_SIZE_MATCH(xRRSetScreenSizeReq); + rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); + if (rc != Success) + return rc; + + 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++) + { + RRCrtcPtr crtc = pScrPriv->crtcs[i]; + RRModePtr mode = crtc->mode; + if (mode) + { + int source_width = mode->mode.width; + int source_height = mode->mode.height; + Rotation rotation = crtc->rotation; + + if (rotation == RR_Rotate_90 || rotation == RR_Rotate_270) + { + source_width = mode->mode.height; + source_height = mode->mode.width; + } + + if (crtc->x + source_width > stuff->width || + crtc->y + source_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->width, stuff->height, + stuff->widthInMillimeters, + stuff->heightInMillimeters)) + { + return BadMatch; + } + return Success; +} + +static int +rrGetScreenResources(ClientPtr client, Bool query) +{ + REQUEST(xRRGetScreenResourcesReq); + xRRGetScreenResourcesReply rep; + WindowPtr pWin; + ScreenPtr pScreen; + rrScrPrivPtr pScrPriv; + CARD8 *extra; + unsigned long extraLen; + int i, n, rc, has_primary = 0; + RRCrtc *crtcs; + RROutput *outputs; + xRRModeInfo *modeinfos; + CARD8 *names; + + REQUEST_SIZE_MATCH(xRRGetScreenResourcesReq); + rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); + if (rc != Success) + return rc; + + pScreen = pWin->drawable.pScreen; + pScrPriv = rrGetScrPriv(pScreen); + rep.pad = 0; + + if (query && pScrPriv) + if (!RRGetInfo (pScreen, query)) + return BadAlloc; + + 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 + { + RRModePtr *modes; + int num_modes; + + modes = RRModesForScreen (pScreen, &num_modes); + if (!modes) + return BadAlloc; + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.timestamp = pScrPriv->lastSetTime.milliseconds; + rep.configTimestamp = pScrPriv->lastConfigTime.milliseconds; + rep.nCrtcs = pScrPriv->numCrtcs; + rep.nOutputs = pScrPriv->numOutputs; + rep.nModes = num_modes; + rep.nbytesNames = 0; + + for (i = 0; i < num_modes; i++) + rep.nbytesNames += modes[i]->mode.nameLength; + + rep.length = (pScrPriv->numCrtcs + + pScrPriv->numOutputs + + num_modes * bytes_to_int32(SIZEOF(xRRModeInfo)) + + bytes_to_int32(rep.nbytesNames)); + + extraLen = rep.length << 2; + if (extraLen) + { + extra = malloc(extraLen); + if (!extra) + { + free(modes); + return BadAlloc; + } + } + else + extra = NULL; + + crtcs = (RRCrtc *) extra; + outputs = (RROutput *) (crtcs + pScrPriv->numCrtcs); + modeinfos = (xRRModeInfo *) (outputs + pScrPriv->numOutputs); + names = (CARD8 *) (modeinfos + num_modes); + + if (pScrPriv->primaryOutput && pScrPriv->primaryOutput->crtc) + { + has_primary = 1; + crtcs[0] = pScrPriv->primaryOutput->crtc->id; + if (client->swapped) + swapl (&crtcs[0], n); + } + + for (i = 0; i < pScrPriv->numCrtcs; i++) + { + if (has_primary && + pScrPriv->primaryOutput->crtc == pScrPriv->crtcs[i]) + { + has_primary = 0; + continue; + } + crtcs[i + has_primary] = pScrPriv->crtcs[i]->id; + if (client->swapped) + swapl (&crtcs[i + has_primary], 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 < num_modes; i++) + { + RRModePtr mode = modes[i]; + modeinfos[i] = mode->mode; + if (client->swapped) + { + swapl (&modeinfos[i].id, n); + swaps (&modeinfos[i].width, n); + swaps (&modeinfos[i].height, 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, mode->name, + mode->mode.nameLength); + names += mode->mode.nameLength; + } + free(modes); + assert (bytes_to_int32((char *) names - (char *) extra) == 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); + free(extra); + } + return Success; +} + +int +ProcRRGetScreenResources (ClientPtr client) +{ + return rrGetScreenResources(client, TRUE); +} + +int +ProcRRGetScreenResourcesCurrent (ClientPtr client) +{ + return rrGetScreenResources(client, FALSE); +} + +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 + output->numUserModes; + int o, os, l, r; + RRScreenRatePtr refresh; + CARD16 vRefresh; + RRModePtr mode; + Bool *used; + + /* Make sure there is plenty of space for any combination */ + data = malloc (sizeof (RR10DataRec) + + sizeof (RRScreenSize) * nmode + + sizeof (RRScreenRate) * nmode + + sizeof (Bool) * nmode); + if (!data) + return NULL; + size = (RRScreenSizePtr) (data + 1); + refresh = (RRScreenRatePtr) (size + nmode); + used = (Bool *) (refresh + nmode); + memset (used, '\0', sizeof (Bool) * nmode); + data->sizes = size; + data->nsize = 0; + data->nrefresh = 0; + data->size = 0; + data->refresh = 0; + + /* + * find modes not yet listed + */ + for (o = 0; o < output->numModes + output->numUserModes; o++) + { + if (used[o]) continue; + + if (o < output->numModes) + mode = output->modes[o]; + else + mode = output->userModes[o - output->numModes]; + + l = data->nsize; + size[l].id = data->nsize; + size[l].width = mode->mode.width; + size[l].height = mode->mode.height; + if (output->mmWidth && output->mmHeight) { + size[l].mmWidth = output->mmWidth; + size[l].mmHeight = output->mmHeight; + } else { + size[l].mmWidth = pScreen->mmWidth; + size[l].mmHeight = pScreen->mmHeight; + } + size[l].nRates = 0; + size[l].pRates = &refresh[data->nrefresh]; + data->nsize++; + + /* + * Find all modes with matching size + */ + for (os = o; os < output->numModes + output->numUserModes; os++) + { + if (os < output->numModes) + mode = output->modes[os]; + else + mode = output->userModes[os - output->numModes]; + if (mode->mode.width == size[l].width && + mode->mode.height == size[l].height) + { + vRefresh = RRVerticalRefresh (&mode->mode); + used[os] = TRUE; + + for (r = 0; r < size[l].nRates; r++) + if (vRefresh == size[l].pRates[r].rate) + break; + if (r == size[l].nRates) + { + size[l].pRates[r].rate = vRefresh; + size[l].pRates[r].mode = mode; + size[l].nRates++; + data->nrefresh++; + } + if (mode == output->crtc->mode) + { + data->size = l; + data->refresh = vRefresh; + } + } + } + } + return data; +} + +int +ProcRRGetScreenInfo (ClientPtr client) +{ + REQUEST(xRRGetScreenInfoReq); + xRRGetScreenInfoReply rep; + WindowPtr pWin; + int n, rc; + ScreenPtr pScreen; + rrScrPrivPtr pScrPriv; + CARD8 *extra; + unsigned long extraLen; + RROutputPtr output; + + REQUEST_SIZE_MATCH(xRRGetScreenInfoReq); + rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); + if (rc != Success) + return rc; + + pScreen = pWin->drawable.pScreen; + pScrPriv = rrGetScrPriv(pScreen); + rep.pad = 0; + + if (pScrPriv) + if (!RRGetInfo (pScreen, TRUE)) + return BadAlloc; + + output = RRFirstOutput (pScreen); + + if (!pScrPriv || !output) + { + rep.type = X_Reply; + rep.setOfRotations = RR_Rotate_0; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.root = pWin->drawable.pScreen->root->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 = pWin->drawable.pScreen->root->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); + if (has_rate) + extraLen += rep.nrateEnts * sizeof (CARD16); + + if (extraLen) + { + extra = (CARD8 *) malloc(extraLen); + if (!extra) + { + free(pData); + return BadAlloc; + } + } + else + extra = NULL; + + /* + * 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++; + } + } + } + free(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 = bytes_to_int32(extraLen); + } + 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); + free(extra); + } + return Success; +} + +int +ProcRRSetScreenConfig (ClientPtr client) +{ + REQUEST(xRRSetScreenConfigReq); + xRRSetScreenConfigReply rep; + DrawablePtr pDraw; + int n, rc; + ScreenPtr pScreen; + rrScrPrivPtr pScrPriv; + TimeStamp time; + int i; + Rotation rotation; + int rate; + Bool has_rate; + RROutputPtr output; + RRCrtcPtr crtc; + RRModePtr mode; + RR10DataPtr pData = NULL; + RRScreenSizePtr pSize; + int width, height; + + UpdateCurrentTime (); + + if (RRClientKnowsRates (client)) + { + REQUEST_SIZE_MATCH (xRRSetScreenConfigReq); + has_rate = TRUE; + } + else + { + REQUEST_SIZE_MATCH (xRR1_0SetScreenConfigReq); + has_rate = FALSE; + } + + rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, DixWriteAccess); + if (rc != Success) { + client->errorValue = stuff->drawable; + return rc; + } + + pScreen = pDraw->pScreen; + + pScrPriv = rrGetScrPriv(pScreen); + + time = ClientTimeToServerTime(stuff->timestamp); + + if (!pScrPriv) + { + time = currentTime; + rep.status = RRSetConfigFailed; + goto sendReply; + } + if (!RRGetInfo (pScreen, FALSE)) + return BadAlloc; + + output = RRFirstOutput (pScreen); + if (!output) + { + time = currentTime; + rep.status = RRSetConfigFailed; + goto sendReply; + } + + crtc = output->crtc; + + /* + * 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. + * + * Note that the client only knows about the milliseconds part of the + * timestamp, so using CompareTimeStamps here would cause randr to suddenly + * stop working after several hours have passed (freedesktop bug #6502). + */ + if (stuff->configTimestamp != pScrPriv->lastConfigTime.milliseconds) + { + 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; + free(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; + free(pData); + return BadValue; + } + + if ((~crtc->rotations) & rotation) + { + /* + * requested rotation or reflection not supported by screen + */ + client->errorValue = stuff->rotation; + free(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; + free(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; + } + + /* + * If the screen size is changing, adjust all of the other outputs + * to fit the new size, mirroring as much as possible + */ + width = mode->mode.width; + height = mode->mode.height; + if (rotation & (RR_Rotate_90|RR_Rotate_270)) + { + width = mode->mode.height; + height = mode->mode.width; + } + + if (width < pScrPriv->minWidth || pScrPriv->maxWidth < width) { + client->errorValue = width; + free(pData); + return BadValue; + } + if (height < pScrPriv->minHeight || pScrPriv->maxHeight < height) { + client->errorValue = height; + free(pData); + return BadValue; + } + + if (width != pScreen->width || height != pScreen->height) + { + int c; + + for (c = 0; c < pScrPriv->numCrtcs; c++) + { + if (!RRCrtcSet (pScrPriv->crtcs[c], NULL, 0, 0, RR_Rotate_0, + 0, NULL, NULL)) + { + rep.status = RRSetConfigFailed; + /* XXX recover from failure */ + goto sendReply; + } + } + if (!RRScreenSizeSet (pScreen, width, height, width, height, + pScreen->mmWidth, pScreen->mmHeight)) + { + rep.status = RRSetConfigFailed; + /* XXX recover from failure */ + goto sendReply; + } + } + + if (!RRCrtcSet (crtc, mode, 0, 0, stuff->rotation, 1, &output, NULL)) + rep.status = RRSetConfigFailed; + else { + pScrPriv->lastSetTime = time; + rep.status = RRSetConfigSuccess; + } + + /* + * XXX Configure other crtcs to mirror as much as possible + */ + +sendReply: + + free(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 = pDraw->pScreen->root->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 Success; +} + +static CARD16 +RR10CurrentSizeID (ScreenPtr pScreen) +{ + CARD16 sizeID = 0xffff; + RROutputPtr output = RRFirstOutput (pScreen); + + if (output) + { + RR10DataPtr data = RR10GetData (pScreen, output); + if (data) + { + int i; + for (i = 0; i < data->nsize; i++) + if (data->sizes[i].width == pScreen->width && + data->sizes[i].height == pScreen->height) + { + sizeID = (CARD16) i; + break; + } + free(data); + } + } + return sizeID; +} -- cgit v1.2.3