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randr: Mangle compat Xinerama reply based on primary output

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(cherry picked from commit d7b316e82b)
This commit is contained in:
Adam Jackson 2008-12-08 17:28:55 -05:00
parent 0bdfdaa7df
commit 2ef02833d6
1 changed files with 31 additions and 17 deletions
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48
randr/rrxinerama.c
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@ -260,6 +260,30 @@ ProcRRXineramaIsActive(ClientPtr client)
return client->noClientException;
}
static void
RRXineramaWriteCrtc(ClientPtr client, RRCrtcPtr crtc)
{
xXineramaScreenInfo scratch;
if (RRXineramaCrtcActive (crtc))
{
int width, height;
RRCrtcGetScanoutSize (crtc, &width, &height);
scratch.x_org = crtc->x;
scratch.y_org = crtc->y;
scratch.width = width;
scratch.height = height;
if(client->swapped) {
register int n;
swaps(&scratch.x_org, n);
swaps(&scratch.y_org, n);
swaps(&scratch.width, n);
swaps(&scratch.height, n);
}
WriteToClient(client, sz_XineramaScreenInfo, &scratch);
}
}
int
ProcRRXineramaQueryScreens(ClientPtr client)
{
@ -291,26 +315,16 @@ ProcRRXineramaQueryScreens(ClientPtr client)
rrScrPriv(pScreen);
xXineramaScreenInfo scratch;
int i;
int has_primary = (pScrPriv->primaryOutput != NULL);
if (has_primary) {
RRXineramaWriteCrtc(client, pScrPriv->primaryOutput->crtc);
}
for(i = 0; i < pScrPriv->numCrtcs; i++) {
RRCrtcPtr crtc = pScrPriv->crtcs[i];
if (RRXineramaCrtcActive (crtc))
{
int width, height;
RRCrtcGetScanoutSize (crtc, &width, &height);
scratch.x_org = crtc->x;
scratch.y_org = crtc->y;
scratch.width = width;
scratch.height = height;
if(client->swapped) {
register int n;
swaps(&scratch.x_org, n);
swaps(&scratch.y_org, n);
swaps(&scratch.width, n);
swaps(&scratch.height, n);
}
WriteToClient(client, sz_XineramaScreenInfo, (char *)&scratch);
}
if (!has_primary || (crtc != pScrPriv->primaryOutput->crtc))
RRXineramaWriteCrtc(client, crtc);
}
}