1005 lines
24 KiB
C
1005 lines
24 KiB
C
/*
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* Copyright © 2006 Keith Packard
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that copyright
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* notice and this permission notice appear in supporting documentation, and
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* that the name of the copyright holders not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no representations
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* about the suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#include "randrstr.h"
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static const int padlength[4] = {0, 3, 2, 1};
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static CARD16
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RR10CurrentSizeID (ScreenPtr pScreen);
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/*
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* Edit connection information block so that new clients
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* see the current screen size on connect
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*/
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static void
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RREditConnectionInfo (ScreenPtr pScreen)
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{
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xConnSetup *connSetup;
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char *vendor;
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xPixmapFormat *formats;
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xWindowRoot *root;
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xDepth *depth;
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xVisualType *visual;
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int screen = 0;
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int d;
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connSetup = (xConnSetup *) ConnectionInfo;
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vendor = (char *) connSetup + sizeof (xConnSetup);
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formats = (xPixmapFormat *) ((char *) vendor +
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connSetup->nbytesVendor +
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padlength[connSetup->nbytesVendor & 3]);
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root = (xWindowRoot *) ((char *) formats +
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sizeof (xPixmapFormat) * screenInfo.numPixmapFormats);
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while (screen != pScreen->myNum)
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{
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depth = (xDepth *) ((char *) root +
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sizeof (xWindowRoot));
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for (d = 0; d < root->nDepths; d++)
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{
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visual = (xVisualType *) ((char *) depth +
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sizeof (xDepth));
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depth = (xDepth *) ((char *) visual +
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depth->nVisuals * sizeof (xVisualType));
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}
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root = (xWindowRoot *) ((char *) depth);
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screen++;
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}
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root->pixWidth = pScreen->width;
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root->pixHeight = pScreen->height;
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root->mmWidth = pScreen->mmWidth;
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root->mmHeight = pScreen->mmHeight;
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}
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void
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RRSendConfigNotify (ScreenPtr pScreen)
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{
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WindowPtr pWin = WindowTable[pScreen->myNum];
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xEvent event;
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event.u.u.type = ConfigureNotify;
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event.u.configureNotify.window = pWin->drawable.id;
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event.u.configureNotify.aboveSibling = None;
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event.u.configureNotify.x = 0;
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event.u.configureNotify.y = 0;
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/* XXX xinerama stuff ? */
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event.u.configureNotify.width = pWin->drawable.width;
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event.u.configureNotify.height = pWin->drawable.height;
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event.u.configureNotify.borderWidth = wBorderWidth (pWin);
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event.u.configureNotify.override = pWin->overrideRedirect;
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DeliverEvents(pWin, &event, 1, NullWindow);
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}
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void
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RRDeliverScreenEvent (ClientPtr client, WindowPtr pWin, ScreenPtr pScreen)
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{
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rrScrPriv (pScreen);
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xRRScreenChangeNotifyEvent se;
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RRCrtcPtr crtc = pScrPriv->numCrtcs ? pScrPriv->crtcs[0] : NULL;
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WindowPtr pRoot = WindowTable[pScreen->myNum];
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se.type = RRScreenChangeNotify + RREventBase;
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se.rotation = (CARD8) (crtc ? crtc->rotation : RR_Rotate_0);
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se.timestamp = pScrPriv->lastSetTime.milliseconds;
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se.sequenceNumber = client->sequence;
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se.configTimestamp = pScrPriv->lastConfigTime.milliseconds;
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se.root = pRoot->drawable.id;
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se.window = pWin->drawable.id;
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se.subpixelOrder = PictureGetSubpixelOrder (pScreen);
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se.sequenceNumber = client->sequence;
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se.sizeID = RR10CurrentSizeID (pScreen);
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if (se.rotation & (RR_Rotate_90 | RR_Rotate_270)) {
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se.widthInPixels = pScreen->height;
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se.heightInPixels = pScreen->width;
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se.widthInMillimeters = pScreen->mmHeight;
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se.heightInMillimeters = pScreen->mmWidth;
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} else {
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se.widthInPixels = pScreen->width;
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se.heightInPixels = pScreen->height;
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se.widthInMillimeters = pScreen->mmWidth;
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se.heightInMillimeters = pScreen->mmHeight;
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}
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WriteEventsToClient (client, 1, (xEvent *) &se);
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}
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/*
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* Notify the extension that the screen size has been changed.
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* The driver is responsible for calling this whenever it has changed
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* the size of the screen
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*/
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void
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RRScreenSizeNotify (ScreenPtr pScreen)
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{
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rrScrPriv(pScreen);
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/*
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* Deliver ConfigureNotify events when root changes
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* pixel size
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*/
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if (pScrPriv->width == pScreen->width &&
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pScrPriv->height == pScreen->height &&
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pScrPriv->mmWidth == pScreen->mmWidth &&
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pScrPriv->mmHeight == pScreen->mmHeight)
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return;
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pScrPriv->width = pScreen->width;
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pScrPriv->height = pScreen->height;
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pScrPriv->mmWidth = pScreen->mmWidth;
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pScrPriv->mmHeight = pScreen->mmHeight;
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pScrPriv->changed = TRUE;
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/* pScrPriv->sizeChanged = TRUE; */
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RRTellChanged (pScreen);
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RRSendConfigNotify (pScreen);
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RREditConnectionInfo (pScreen);
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RRPointerScreenConfigured (pScreen);
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/*
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* Fix pointer bounds and location
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*/
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ScreenRestructured (pScreen);
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}
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/*
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* Request that the screen be resized
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*/
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Bool
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RRScreenSizeSet (ScreenPtr pScreen,
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CARD16 width,
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CARD16 height,
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CARD32 mmWidth,
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CARD32 mmHeight)
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{
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rrScrPriv(pScreen);
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#if RANDR_12_INTERFACE
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if (pScrPriv->rrScreenSetSize)
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{
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return (*pScrPriv->rrScreenSetSize) (pScreen,
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width, height,
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mmWidth, mmHeight);
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}
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#endif
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#if RANDR_10_INTERFACE
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if (pScrPriv->rrSetConfig)
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{
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return TRUE; /* can't set size separately */
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}
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#endif
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return FALSE;
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}
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/*
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* Retrieve valid screen size range
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*/
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int
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ProcRRGetScreenSizeRange (ClientPtr client)
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{
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REQUEST(xRRGetScreenSizeRangeReq);
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xRRGetScreenSizeRangeReply rep;
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WindowPtr pWin;
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ScreenPtr pScreen;
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rrScrPrivPtr pScrPriv;
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int rc;
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REQUEST_SIZE_MATCH(xRRGetScreenInfoReq);
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rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
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if (rc != Success)
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return rc;
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pScreen = pWin->drawable.pScreen;
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pScrPriv = rrGetScrPriv(pScreen);
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rep.type = X_Reply;
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rep.pad = 0;
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rep.sequenceNumber = client->sequence;
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rep.length = 0;
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if (pScrPriv)
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{
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if (!RRGetInfo (pScreen, FALSE))
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return BadAlloc;
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rep.minWidth = pScrPriv->minWidth;
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rep.minHeight = pScrPriv->minHeight;
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rep.maxWidth = pScrPriv->maxWidth;
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rep.maxHeight = pScrPriv->maxHeight;
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}
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else
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{
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rep.maxWidth = rep.minWidth = pScreen->width;
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rep.maxHeight = rep.minHeight = pScreen->height;
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}
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if (client->swapped)
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{
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int n;
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swaps(&rep.sequenceNumber, n);
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swapl(&rep.length, n);
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swaps(&rep.minWidth, n);
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swaps(&rep.minHeight, n);
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swaps(&rep.maxWidth, n);
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swaps(&rep.maxHeight, n);
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}
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WriteToClient(client, sizeof(xRRGetScreenSizeRangeReply), (char *)&rep);
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return Success;
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}
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int
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ProcRRSetScreenSize (ClientPtr client)
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{
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REQUEST(xRRSetScreenSizeReq);
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WindowPtr pWin;
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ScreenPtr pScreen;
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rrScrPrivPtr pScrPriv;
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int i, rc;
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REQUEST_SIZE_MATCH(xRRSetScreenSizeReq);
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rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
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if (rc != Success)
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return rc;
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pScreen = pWin->drawable.pScreen;
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pScrPriv = rrGetScrPriv(pScreen);
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if (stuff->width < pScrPriv->minWidth || pScrPriv->maxWidth < stuff->width)
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{
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client->errorValue = stuff->width;
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return BadValue;
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}
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if (stuff->height < pScrPriv->minHeight ||
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pScrPriv->maxHeight < stuff->height)
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{
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client->errorValue = stuff->height;
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return BadValue;
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}
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for (i = 0; i < pScrPriv->numCrtcs; i++)
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{
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RRCrtcPtr crtc = pScrPriv->crtcs[i];
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RRModePtr mode = crtc->mode;
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if (mode)
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{
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int source_width = mode->mode.width;
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int source_height = mode->mode.height;
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Rotation rotation = crtc->rotation;
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if (rotation == RR_Rotate_90 || rotation == RR_Rotate_270)
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{
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source_width = mode->mode.height;
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source_height = mode->mode.width;
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}
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if (crtc->x + source_width > stuff->width ||
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crtc->y + source_height > stuff->height)
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return BadMatch;
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}
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}
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if (stuff->widthInMillimeters == 0 || stuff->heightInMillimeters == 0)
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{
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client->errorValue = 0;
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return BadValue;
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}
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if (!RRScreenSizeSet (pScreen,
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stuff->width, stuff->height,
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stuff->widthInMillimeters,
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stuff->heightInMillimeters))
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{
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return BadMatch;
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}
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return Success;
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}
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static int
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rrGetScreenResources(ClientPtr client, Bool query)
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{
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REQUEST(xRRGetScreenResourcesReq);
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xRRGetScreenResourcesReply rep;
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WindowPtr pWin;
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ScreenPtr pScreen;
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rrScrPrivPtr pScrPriv;
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CARD8 *extra;
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unsigned long extraLen;
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int i, n, rc, has_primary = 0;
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RRCrtc *crtcs;
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RROutput *outputs;
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xRRModeInfo *modeinfos;
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CARD8 *names;
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REQUEST_SIZE_MATCH(xRRGetScreenResourcesReq);
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rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
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if (rc != Success)
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return rc;
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pScreen = pWin->drawable.pScreen;
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pScrPriv = rrGetScrPriv(pScreen);
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rep.pad = 0;
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if (query && pScrPriv)
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if (!RRGetInfo (pScreen, query))
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return BadAlloc;
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if (!pScrPriv)
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{
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rep.type = X_Reply;
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rep.sequenceNumber = client->sequence;
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rep.length = 0;
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rep.timestamp = currentTime.milliseconds;
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rep.configTimestamp = currentTime.milliseconds;
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rep.nCrtcs = 0;
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rep.nOutputs = 0;
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rep.nModes = 0;
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rep.nbytesNames = 0;
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extra = NULL;
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extraLen = 0;
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}
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else
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{
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RRModePtr *modes;
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int num_modes;
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modes = RRModesForScreen (pScreen, &num_modes);
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if (!modes)
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return BadAlloc;
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rep.type = X_Reply;
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rep.sequenceNumber = client->sequence;
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rep.length = 0;
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rep.timestamp = pScrPriv->lastSetTime.milliseconds;
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rep.configTimestamp = pScrPriv->lastConfigTime.milliseconds;
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rep.nCrtcs = pScrPriv->numCrtcs;
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rep.nOutputs = pScrPriv->numOutputs;
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rep.nModes = num_modes;
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rep.nbytesNames = 0;
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for (i = 0; i < num_modes; i++)
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rep.nbytesNames += modes[i]->mode.nameLength;
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rep.length = (pScrPriv->numCrtcs +
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pScrPriv->numOutputs +
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num_modes * bytes_to_int32(SIZEOF(xRRModeInfo)) +
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bytes_to_int32(rep.nbytesNames));
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extraLen = rep.length << 2;
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if (extraLen)
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{
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extra = malloc(extraLen);
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if (!extra)
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{
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free(modes);
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return BadAlloc;
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}
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}
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else
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extra = NULL;
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crtcs = (RRCrtc *) extra;
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outputs = (RROutput *) (crtcs + pScrPriv->numCrtcs);
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modeinfos = (xRRModeInfo *) (outputs + pScrPriv->numOutputs);
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names = (CARD8 *) (modeinfos + num_modes);
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if (pScrPriv->primaryOutput && pScrPriv->primaryOutput->crtc)
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{
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has_primary = 1;
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crtcs[0] = pScrPriv->primaryOutput->crtc->id;
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if (client->swapped)
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swapl (&crtcs[0], n);
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}
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for (i = 0; i < pScrPriv->numCrtcs; i++)
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{
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if (has_primary &&
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pScrPriv->primaryOutput->crtc == pScrPriv->crtcs[i])
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{
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has_primary = 0;
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continue;
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}
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crtcs[i + has_primary] = pScrPriv->crtcs[i]->id;
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if (client->swapped)
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swapl (&crtcs[i + has_primary], n);
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}
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for (i = 0; i < pScrPriv->numOutputs; i++)
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{
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outputs[i] = pScrPriv->outputs[i]->id;
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if (client->swapped)
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swapl (&outputs[i], n);
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}
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for (i = 0; i < num_modes; i++)
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{
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RRModePtr mode = modes[i];
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modeinfos[i] = mode->mode;
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if (client->swapped)
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{
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swapl (&modeinfos[i].id, n);
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swaps (&modeinfos[i].width, n);
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swaps (&modeinfos[i].height, n);
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swapl (&modeinfos[i].dotClock, n);
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swaps (&modeinfos[i].hSyncStart, n);
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swaps (&modeinfos[i].hSyncEnd, n);
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swaps (&modeinfos[i].hTotal, n);
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swaps (&modeinfos[i].hSkew, n);
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swaps (&modeinfos[i].vSyncStart, n);
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swaps (&modeinfos[i].vSyncEnd, n);
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swaps (&modeinfos[i].vTotal, n);
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swaps (&modeinfos[i].nameLength, n);
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swapl (&modeinfos[i].modeFlags, n);
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}
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memcpy (names, mode->name,
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mode->mode.nameLength);
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names += mode->mode.nameLength;
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}
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free(modes);
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assert (bytes_to_int32((char *) names - (char *) extra) == rep.length);
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}
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if (client->swapped) {
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swaps(&rep.sequenceNumber, n);
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swapl(&rep.length, n);
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swapl(&rep.timestamp, n);
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swapl(&rep.configTimestamp, n);
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swaps(&rep.nCrtcs, n);
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swaps(&rep.nOutputs, n);
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swaps(&rep.nModes, n);
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swaps(&rep.nbytesNames, n);
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}
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WriteToClient(client, sizeof(xRRGetScreenResourcesReply), (char *)&rep);
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if (extraLen)
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{
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WriteToClient (client, extraLen, (char *) extra);
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free(extra);
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}
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return Success;
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}
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int
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ProcRRGetScreenResources (ClientPtr client)
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{
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return rrGetScreenResources(client, TRUE);
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}
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int
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ProcRRGetScreenResourcesCurrent (ClientPtr client)
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{
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return rrGetScreenResources(client, FALSE);
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}
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typedef struct _RR10Data {
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RRScreenSizePtr sizes;
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int nsize;
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int nrefresh;
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int size;
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CARD16 refresh;
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} RR10DataRec, *RR10DataPtr;
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/*
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* Convert 1.2 monitor data into 1.0 screen data
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*/
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static RR10DataPtr
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RR10GetData (ScreenPtr pScreen, RROutputPtr output)
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{
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RR10DataPtr data;
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RRScreenSizePtr size;
|
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int nmode = output->numModes + output->numUserModes;
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int o, os, l, r;
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RRScreenRatePtr refresh;
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CARD16 vRefresh;
|
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RRModePtr mode;
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Bool *used;
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|
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/* Make sure there is plenty of space for any combination */
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data = malloc (sizeof (RR10DataRec) +
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sizeof (RRScreenSize) * nmode +
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sizeof (RRScreenRate) * nmode +
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sizeof (Bool) * nmode);
|
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if (!data)
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return NULL;
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size = (RRScreenSizePtr) (data + 1);
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refresh = (RRScreenRatePtr) (size + nmode);
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used = (Bool *) (refresh + nmode);
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memset (used, '\0', sizeof (Bool) * nmode);
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data->sizes = size;
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data->nsize = 0;
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data->nrefresh = 0;
|
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data->size = 0;
|
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data->refresh = 0;
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|
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/*
|
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* find modes not yet listed
|
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*/
|
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for (o = 0; o < output->numModes + output->numUserModes; o++)
|
|
{
|
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if (used[o]) continue;
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|
|
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 = 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);
|
|
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)
|
|
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))
|
|
{
|
|
rep.status = RRSetConfigFailed;
|
|
/* XXX recover from failure */
|
|
goto sendReply;
|
|
}
|
|
}
|
|
if (!RRScreenSizeSet (pScreen, 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))
|
|
rep.status = RRSetConfigFailed;
|
|
else {
|
|
pScrPriv->lastSetTime = time;
|
|
rep.status = RRSetConfigSuccess;
|
|
}
|
|
|
|
/*
|
|
* XXX Configure other crtcs to mirror as much as possible
|
|
*/
|
|
|
|
sendReply:
|
|
|
|
if (pData)
|
|
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 = 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 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;
|
|
}
|