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7eff742ef2
Improve readability, move the declarations to where they're needed first and get rid of extra individual assignments. In some cases this should also allow the compiler to produce a bit more efficient code. Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net> Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1794>
278 lines
11 KiB
C
278 lines
11 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 <dix-config.h>
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#include "dix/dix_priv.h"
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#include "randr/randrstr_priv.h"
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#include "os/fmt.h"
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#include "protocol-versions.h"
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Bool
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RRClientKnowsRates(ClientPtr pClient)
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{
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rrClientPriv(pClient);
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return version_compare(pRRClient->major_version, pRRClient->minor_version,
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1, 1) >= 0;
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}
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int
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ProcRRQueryVersion(ClientPtr client)
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{
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xRRQueryVersionReply rep = {
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.type = X_Reply,
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.sequenceNumber = client->sequence,
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};
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REQUEST(xRRQueryVersionReq);
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rrClientPriv(client);
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REQUEST_SIZE_MATCH(xRRQueryVersionReq);
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pRRClient->major_version = stuff->majorVersion;
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pRRClient->minor_version = stuff->minorVersion;
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if (version_compare(stuff->majorVersion, stuff->minorVersion,
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SERVER_RANDR_MAJOR_VERSION,
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SERVER_RANDR_MINOR_VERSION) < 0) {
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rep.majorVersion = stuff->majorVersion;
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rep.minorVersion = stuff->minorVersion;
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}
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else {
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rep.majorVersion = SERVER_RANDR_MAJOR_VERSION;
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rep.minorVersion = SERVER_RANDR_MINOR_VERSION;
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}
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if (client->swapped) {
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swaps(&rep.sequenceNumber);
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swapl(&rep.length);
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swapl(&rep.majorVersion);
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swapl(&rep.minorVersion);
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}
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WriteToClient(client, sizeof(xRRQueryVersionReply), &rep);
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return Success;
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}
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int
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ProcRRSelectInput(ClientPtr client)
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{
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REQUEST(xRRSelectInputReq);
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rrClientPriv(client);
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RRTimesPtr pTimes;
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WindowPtr pWin;
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RREventPtr pRREvent, *pHead;
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XID clientResource;
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int rc;
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REQUEST_SIZE_MATCH(xRRSelectInputReq);
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rc = dixLookupWindow(&pWin, stuff->window, client, DixReceiveAccess);
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if (rc != Success)
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return rc;
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rc = dixLookupResourceByType((void **) &pHead, pWin->drawable.id,
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RREventType, client, DixWriteAccess);
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if (rc != Success && rc != BadValue)
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return rc;
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if (stuff->enable & (RRScreenChangeNotifyMask |
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RRCrtcChangeNotifyMask |
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RROutputChangeNotifyMask |
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RROutputPropertyNotifyMask |
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RRProviderChangeNotifyMask |
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RRProviderPropertyNotifyMask |
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RRResourceChangeNotifyMask)) {
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ScreenPtr pScreen = pWin->drawable.pScreen;
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rrScrPriv(pScreen);
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pRREvent = NULL;
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if (pHead) {
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/* check for existing entry. */
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for (pRREvent = *pHead; pRREvent; pRREvent = pRREvent->next)
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if (pRREvent->client == client)
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break;
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}
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if (!pRREvent) {
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/* build the entry */
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pRREvent = (RREventPtr) malloc(sizeof(RREventRec));
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if (!pRREvent)
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return BadAlloc;
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pRREvent->next = 0;
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pRREvent->client = client;
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pRREvent->window = pWin;
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pRREvent->mask = stuff->enable;
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/*
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* add a resource that will be deleted when
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* the client goes away
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*/
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clientResource = FakeClientID(client->index);
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pRREvent->clientResource = clientResource;
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if (!AddResource(clientResource, RRClientType, (void *) pRREvent))
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return BadAlloc;
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/*
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* create a resource to contain a pointer to the list
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* of clients selecting input. This must be indirect as
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* the list may be arbitrarily rearranged which cannot be
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* done through the resource database.
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*/
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if (!pHead) {
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pHead = (RREventPtr *) malloc(sizeof(RREventPtr));
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if (!pHead ||
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!AddResource(pWin->drawable.id, RREventType,
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(void *) pHead)) {
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FreeResource(clientResource, X11_RESTYPE_NONE);
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return BadAlloc;
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}
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*pHead = 0;
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}
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pRREvent->next = *pHead;
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*pHead = pRREvent;
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}
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/*
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* Now see if the client needs an event
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*/
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if (pScrPriv) {
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pTimes = &((RRTimesPtr) (pRRClient + 1))[pScreen->myNum];
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if (CompareTimeStamps(pTimes->setTime,
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pScrPriv->lastSetTime) != 0 ||
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CompareTimeStamps(pTimes->configTime,
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pScrPriv->lastConfigTime) != 0) {
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if (pRREvent->mask & RRScreenChangeNotifyMask) {
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RRDeliverScreenEvent(client, pWin, pScreen);
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}
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if (pRREvent->mask & RRCrtcChangeNotifyMask) {
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int i;
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for (i = 0; i < pScrPriv->numCrtcs; i++) {
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RRDeliverCrtcEvent(client, pWin, pScrPriv->crtcs[i]);
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}
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}
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if (pRREvent->mask & RROutputChangeNotifyMask) {
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int i;
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for (i = 0; i < pScrPriv->numOutputs; i++) {
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RRDeliverOutputEvent(client, pWin,
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pScrPriv->outputs[i]);
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}
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}
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/* We don't check for RROutputPropertyNotifyMask, as randrproto.txt doesn't
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* say if there ought to be notifications of changes to output properties
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* if those changes occurred before the time RRSelectInput is called.
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*/
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}
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}
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}
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else if (stuff->enable == 0) {
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/* delete the interest */
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if (pHead) {
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RREventPtr pNewRREvent = 0;
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for (pRREvent = *pHead; pRREvent; pRREvent = pRREvent->next) {
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if (pRREvent->client == client)
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break;
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pNewRREvent = pRREvent;
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}
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if (pRREvent) {
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FreeResource(pRREvent->clientResource, RRClientType);
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if (pNewRREvent)
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pNewRREvent->next = pRREvent->next;
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else
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*pHead = pRREvent->next;
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free(pRREvent);
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}
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}
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}
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else {
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client->errorValue = stuff->enable;
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return BadValue;
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}
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return Success;
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}
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int
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ProcRRDispatch(ClientPtr client)
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{
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REQUEST(xReq);
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UpdateCurrentTimeIf();
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switch (stuff->data) {
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case X_RRQueryVersion: return ProcRRQueryVersion(client);
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case X_RRSetScreenConfig: return ProcRRSetScreenConfig(client);
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case X_RRSelectInput: return ProcRRSelectInput(client);
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case X_RRGetScreenInfo: return ProcRRGetScreenInfo(client);
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/* V1.2 additions */
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case X_RRGetScreenSizeRange: return ProcRRGetScreenSizeRange(client);
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case X_RRSetScreenSize: return ProcRRSetScreenSize(client);
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case X_RRGetScreenResources: return ProcRRGetScreenResources(client);
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case X_RRGetOutputInfo: return ProcRRGetOutputInfo(client);
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case X_RRListOutputProperties: return ProcRRListOutputProperties(client);
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case X_RRQueryOutputProperty: return ProcRRQueryOutputProperty(client);
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case X_RRConfigureOutputProperty: return ProcRRConfigureOutputProperty(client);
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case X_RRChangeOutputProperty: return ProcRRChangeOutputProperty(client);
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case X_RRDeleteOutputProperty: return ProcRRDeleteOutputProperty(client);
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case X_RRGetOutputProperty: return ProcRRGetOutputProperty(client);
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case X_RRCreateMode: return ProcRRCreateMode(client);
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case X_RRDestroyMode: return ProcRRDestroyMode(client);
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case X_RRAddOutputMode: return ProcRRAddOutputMode(client);
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case X_RRDeleteOutputMode: return ProcRRDeleteOutputMode(client);
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case X_RRGetCrtcInfo: return ProcRRGetCrtcInfo(client);
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case X_RRSetCrtcConfig: return ProcRRSetCrtcConfig(client);
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case X_RRGetCrtcGammaSize: return ProcRRGetCrtcGammaSize(client);
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case X_RRGetCrtcGamma: return ProcRRGetCrtcGamma(client);
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case X_RRSetCrtcGamma: return ProcRRSetCrtcGamma(client);
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/* V1.3 additions */
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case X_RRGetScreenResourcesCurrent: return ProcRRGetScreenResourcesCurrent(client);
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case X_RRSetCrtcTransform: return ProcRRSetCrtcTransform(client);
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case X_RRGetCrtcTransform: return ProcRRGetCrtcTransform(client);
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case X_RRGetPanning: return ProcRRGetPanning(client);
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case X_RRSetPanning: return ProcRRSetPanning(client);
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case X_RRSetOutputPrimary: return ProcRRSetOutputPrimary(client);
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case X_RRGetOutputPrimary: return ProcRRGetOutputPrimary(client);
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/* V1.4 additions */
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case X_RRGetProviders: return ProcRRGetProviders(client);
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case X_RRGetProviderInfo: return ProcRRGetProviderInfo(client);
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case X_RRSetProviderOffloadSink: return ProcRRSetProviderOffloadSink(client);
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case X_RRSetProviderOutputSource: return ProcRRSetProviderOutputSource(client);
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case X_RRListProviderProperties: return ProcRRListProviderProperties(client);
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case X_RRQueryProviderProperty: return ProcRRQueryProviderProperty(client);
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case X_RRConfigureProviderProperty: return ProcRRConfigureProviderProperty(client);
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case X_RRChangeProviderProperty: return ProcRRChangeProviderProperty(client);
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case X_RRDeleteProviderProperty: return ProcRRDeleteProviderProperty(client);
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case X_RRGetProviderProperty: return ProcRRGetProviderProperty(client);
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/* V1.5 additions */
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case X_RRGetMonitors: return ProcRRGetMonitors(client);
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case X_RRSetMonitor: return ProcRRSetMonitor(client);
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case X_RRDeleteMonitor: return ProcRRDeleteMonitor(client);
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/* V1.6 additions */
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case X_RRCreateLease: return ProcRRCreateLease(client);
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case X_RRFreeLease: return ProcRRFreeLease(client);
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}
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return BadRequest;
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}
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