444 lines
13 KiB
C
444 lines
13 KiB
C
/*
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* Copyright © 2012 Red Hat Inc.
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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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* Authors: Dave Airlie
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*/
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#include "randrstr.h"
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#include "swaprep.h"
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RESTYPE RRProviderType;
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/*
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* Initialize provider type error value
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*/
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void
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RRProviderInitErrorValue(void)
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{
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SetResourceTypeErrorValue(RRProviderType, RRErrorBase + BadRRProvider);
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}
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#define ADD_PROVIDER(_pScreen) do { \
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pScrPriv = rrGetScrPriv((_pScreen)); \
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if (pScrPriv->provider) { \
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providers[count_providers] = pScrPriv->provider->id; \
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if (client->swapped) \
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swapl(&providers[count_providers]); \
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count_providers++; \
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} \
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} while(0)
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int
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ProcRRGetProviders (ClientPtr client)
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{
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REQUEST(xRRGetProvidersReq);
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xRRGetProvidersReply 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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CARD8 *extra;
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unsigned int extraLen;
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RRProvider *providers;
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int total_providers = 0, count_providers = 0;
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ScreenPtr iter;
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REQUEST_SIZE_MATCH(xRRGetProvidersReq);
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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 (pScrPriv->provider)
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total_providers++;
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xorg_list_for_each_entry(iter, &pScreen->output_slave_list, output_head) {
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pScrPriv = rrGetScrPriv(iter);
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total_providers += pScrPriv->provider ? 1 : 0;
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}
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xorg_list_for_each_entry(iter, &pScreen->offload_slave_list, offload_head) {
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pScrPriv = rrGetScrPriv(iter);
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total_providers += pScrPriv->provider ? 1 : 0;
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}
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xorg_list_for_each_entry(iter, &pScreen->unattached_list, unattached_head) {
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pScrPriv = rrGetScrPriv(iter);
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total_providers += pScrPriv->provider ? 1 : 0;
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}
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pScrPriv = rrGetScrPriv(pScreen);
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if (!pScrPriv)
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{
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rep = (xRRGetProvidersReply) {
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.type = X_Reply,
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.sequenceNumber = client->sequence,
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.length = 0,
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.timestamp = currentTime.milliseconds,
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.nProviders = 0
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};
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extra = NULL;
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extraLen = 0;
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} else {
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rep = (xRRGetProvidersReply) {
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.type = X_Reply,
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.sequenceNumber = client->sequence,
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.timestamp = pScrPriv->lastSetTime.milliseconds,
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.nProviders = total_providers,
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.length = total_providers
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};
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extraLen = rep.length << 2;
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if (extraLen) {
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extra = malloc(extraLen);
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if (!extra)
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return BadAlloc;
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} else
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extra = NULL;
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providers = (RRProvider *)extra;
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ADD_PROVIDER(pScreen);
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xorg_list_for_each_entry(iter, &pScreen->output_slave_list, output_head) {
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ADD_PROVIDER(iter);
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}
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xorg_list_for_each_entry(iter, &pScreen->offload_slave_list, offload_head) {
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ADD_PROVIDER(iter);
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}
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xorg_list_for_each_entry(iter, &pScreen->unattached_list, unattached_head) {
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ADD_PROVIDER(iter);
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}
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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.timestamp);
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swaps(&rep.nProviders);
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}
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WriteToClient(client, sizeof(xRRGetProvidersReply), (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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ProcRRGetProviderInfo (ClientPtr client)
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{
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REQUEST(xRRGetProviderInfoReq);
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xRRGetProviderInfoReply rep;
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rrScrPrivPtr pScrPriv, pScrProvPriv;
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RRProviderPtr provider;
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ScreenPtr pScreen;
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CARD8 *extra;
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unsigned int extraLen = 0;
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RRCrtc *crtcs;
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RROutput *outputs;
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int i;
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char *name;
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ScreenPtr provscreen;
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RRProvider *providers;
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uint32_t *prov_cap;
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REQUEST_SIZE_MATCH(xRRGetProviderInfoReq);
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VERIFY_RR_PROVIDER(stuff->provider, provider, DixReadAccess);
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pScreen = provider->pScreen;
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pScrPriv = rrGetScrPriv(pScreen);
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rep = (xRRGetProviderInfoReply) {
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.type = X_Reply,
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.status = RRSetConfigSuccess,
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.sequenceNumber = client->sequence,
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.length = 0,
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.capabilities = provider->capabilities,
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.nameLength = provider->nameLength,
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.timestamp = pScrPriv->lastSetTime.milliseconds,
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.nCrtcs = pScrPriv->numCrtcs,
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.nOutputs = pScrPriv->numOutputs,
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.nAssociatedProviders = 0
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};
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/* count associated providers */
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if (provider->offload_sink)
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rep.nAssociatedProviders++;
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if (provider->output_source)
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rep.nAssociatedProviders++;
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xorg_list_for_each_entry(provscreen, &pScreen->output_slave_list, output_head)
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rep.nAssociatedProviders++;
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xorg_list_for_each_entry(provscreen, &pScreen->offload_slave_list, offload_head)
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rep.nAssociatedProviders++;
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rep.length = (pScrPriv->numCrtcs + pScrPriv->numOutputs +
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(rep.nAssociatedProviders * 2) + bytes_to_int32(rep.nameLength));
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extraLen = rep.length << 2;
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if (extraLen) {
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extra = malloc(extraLen);
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if (!extra)
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return BadAlloc;
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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 + rep.nCrtcs);
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providers = (RRProvider *)(outputs + rep.nOutputs);
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prov_cap = (unsigned int *)(providers + rep.nAssociatedProviders);
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name = (char *)(prov_cap + rep.nAssociatedProviders);
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for (i = 0; i < pScrPriv->numCrtcs; i++) {
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crtcs[i] = pScrPriv->crtcs[i]->id;
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if (client->swapped)
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swapl(&crtcs[i]);
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}
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for (i = 0; i < pScrPriv->numOutputs; i++) {
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outputs[i] = pScrPriv->outputs[i]->id;
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if (client->swapped)
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swapl(&outputs[i]);
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}
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i = 0;
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if (provider->offload_sink) {
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providers[i] = provider->offload_sink->id;
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if (client->swapped)
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swapl(&providers[i]);
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prov_cap[i] = RR_Capability_SinkOffload;
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if (client->swapped)
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swapl(&prov_cap[i]);
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i++;
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}
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if (provider->output_source) {
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providers[i] = provider->output_source->id;
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if (client->swapped)
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swapl(&providers[i]);
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prov_cap[i] = RR_Capability_SourceOutput;
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swapl(&prov_cap[i]);
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i++;
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}
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xorg_list_for_each_entry(provscreen, &pScreen->output_slave_list, output_head) {
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pScrProvPriv = rrGetScrPriv(provscreen);
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providers[i] = pScrProvPriv->provider->id;
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if (client->swapped)
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swapl(&providers[i]);
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prov_cap[i] = RR_Capability_SinkOutput;
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if (client->swapped)
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swapl(&prov_cap[i]);
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i++;
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}
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xorg_list_for_each_entry(provscreen, &pScreen->offload_slave_list, offload_head) {
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pScrProvPriv = rrGetScrPriv(provscreen);
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providers[i] = pScrProvPriv->provider->id;
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if (client->swapped)
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swapl(&providers[i]);
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prov_cap[i] = RR_Capability_SourceOffload;
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if (client->swapped)
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swapl(&prov_cap[i]);
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i++;
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}
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memcpy(name, provider->name, rep.nameLength);
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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.capabilities);
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swaps(&rep.nCrtcs);
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swaps(&rep.nOutputs);
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swaps(&rep.nameLength);
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}
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WriteToClient(client, sizeof(xRRGetProviderInfoReply), (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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ProcRRSetProviderOutputSource(ClientPtr client)
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{
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REQUEST(xRRSetProviderOutputSourceReq);
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rrScrPrivPtr pScrPriv;
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RRProviderPtr provider, source_provider = NULL;
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ScreenPtr pScreen;
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REQUEST_AT_LEAST_SIZE(xRRSetProviderOutputSourceReq);
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VERIFY_RR_PROVIDER(stuff->provider, provider, DixReadAccess);
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if (!(provider->capabilities & RR_Capability_SinkOutput))
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return BadValue;
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if (stuff->source_provider) {
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VERIFY_RR_PROVIDER(stuff->source_provider, source_provider, DixReadAccess);
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if (!(source_provider->capabilities & RR_Capability_SourceOutput))
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return BadValue;
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}
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pScreen = provider->pScreen;
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pScrPriv = rrGetScrPriv(pScreen);
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pScrPriv->rrProviderSetOutputSource(pScreen, provider, source_provider);
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provider->changed = TRUE;
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RRSetChanged(pScreen);
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RRTellChanged (pScreen);
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return Success;
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}
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int
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ProcRRSetProviderOffloadSink(ClientPtr client)
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{
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REQUEST(xRRSetProviderOffloadSinkReq);
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rrScrPrivPtr pScrPriv;
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RRProviderPtr provider, sink_provider = NULL;
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ScreenPtr pScreen;
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REQUEST_AT_LEAST_SIZE(xRRSetProviderOffloadSinkReq);
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VERIFY_RR_PROVIDER(stuff->provider, provider, DixReadAccess);
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if (!(provider->capabilities & RR_Capability_SourceOffload))
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return BadValue;
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if (stuff->sink_provider) {
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VERIFY_RR_PROVIDER(stuff->sink_provider, sink_provider, DixReadAccess);
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if (!(sink_provider->capabilities & RR_Capability_SinkOffload))
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return BadValue;
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}
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pScreen = provider->pScreen;
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pScrPriv = rrGetScrPriv(pScreen);
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pScrPriv->rrProviderSetOffloadSink(pScreen, provider, sink_provider);
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provider->changed = TRUE;
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RRSetChanged(pScreen);
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RRTellChanged (pScreen);
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return Success;
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}
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RRProviderPtr
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RRProviderCreate(ScreenPtr pScreen, const char *name,
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int nameLength)
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{
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RRProviderPtr provider;
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rrScrPrivPtr pScrPriv;
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pScrPriv = rrGetScrPriv(pScreen);
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provider = calloc(1, sizeof(RRProviderRec) + nameLength + 1);
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if (!provider)
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return NULL;
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provider->id = FakeClientID(0);
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provider->pScreen = pScreen;
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provider->name = (char *) (provider + 1);
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provider->nameLength = nameLength;
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memcpy(provider->name, name, nameLength);
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provider->name[nameLength] = '\0';
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provider->changed = FALSE;
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if (!AddResource (provider->id, RRProviderType, (pointer) provider))
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return NULL;
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pScrPriv->provider = provider;
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return provider;
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}
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/*
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* Destroy a provider at shutdown
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*/
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void
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RRProviderDestroy (RRProviderPtr provider)
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{
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FreeResource (provider->id, 0);
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}
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void
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RRProviderSetCapabilities(RRProviderPtr provider, uint32_t capabilities)
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{
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provider->capabilities = capabilities;
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}
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static int
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RRProviderDestroyResource (pointer value, XID pid)
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{
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RRProviderPtr provider = (RRProviderPtr)value;
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ScreenPtr pScreen = provider->pScreen;
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if (pScreen)
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{
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rrScrPriv(pScreen);
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if (pScrPriv->rrProviderDestroy)
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(*pScrPriv->rrProviderDestroy)(pScreen, provider);
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pScrPriv->provider = NULL;
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}
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free(provider);
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return 1;
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}
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Bool
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RRProviderInit(void)
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{
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RRProviderType = CreateNewResourceType(RRProviderDestroyResource, "Provider");
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if (!RRProviderType)
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return FALSE;
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return TRUE;
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}
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extern _X_EXPORT Bool
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RRProviderLookup(XID id, RRProviderPtr *provider_p)
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{
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int rc = dixLookupResourceByType((void **)provider_p, id,
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RRProviderType, NullClient, DixReadAccess);
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if (rc == Success)
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return TRUE;
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return FALSE;
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}
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void
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RRDeliverProviderEvent(ClientPtr client, WindowPtr pWin, RRProviderPtr provider)
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{
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ScreenPtr pScreen = pWin->drawable.pScreen;
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rrScrPriv(pScreen);
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xRRProviderChangeNotifyEvent pe = {
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.type = RRNotify + RREventBase,
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.subCode = RRNotify_ProviderChange,
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.timestamp = pScrPriv->lastSetTime.milliseconds,
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.window = pWin->drawable.id,
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.provider = provider->id
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};
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WriteEventsToClient(client, 1, (xEvent *) &pe);
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}
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