andreacavalli/xserver-multidpi
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randr: Avoid re-querying the configuration on everything but GetScreenResources.

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The new path should only re-query on the other requests when we haven't
gathered the information from the DDX yet (such as with a non-RandR 1.2 DDX).

Bug #19037.
This commit is contained in:
Eric Anholt 2009-01-30 19:06:17 -08:00
parent c1f2be1f3f
commit 317f2b4a9f
4 changed files with 16 additions and 12 deletions
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2
randr/randrstr.h
View File

@ -469,7 +469,7 @@ RRTellChanged (ScreenPtr pScreen);
* Poll the driver for changed information
*/
extern _X_EXPORT Bool
RRGetInfo (ScreenPtr pScreen);
RRGetInfo (ScreenPtr pScreen, Bool force_query);
extern _X_EXPORT Bool RRInit (void);

10
randr/rrinfo.c
View File

@ -178,12 +178,20 @@ RRScanOldConfig (ScreenPtr pScreen, Rotation rotations)
* Poll the driver for changed information
*/
Bool
RRGetInfo (ScreenPtr pScreen)
RRGetInfo (ScreenPtr pScreen, Bool force_query)
{
rrScrPriv (pScreen);
Rotation rotations;
int i;
/* Return immediately if we don't need to re-query and we already have the
* information.
*/
if (!force_query) {
if (pScrPriv->numCrtcs != 0 || pScrPriv->numOutputs != 0)
return TRUE;
}
for (i = 0; i < pScrPriv->numOutputs; i++)
pScrPriv->outputs[i]->changed = FALSE;
for (i = 0; i < pScrPriv->numCrtcs; i++)

8
randr/rrscreen.c
View File

@ -224,7 +224,7 @@ ProcRRGetScreenSizeRange (ClientPtr client)
if (pScrPriv)
{
if (!RRGetInfo (pScreen))
if (!RRGetInfo (pScreen, FALSE))
return BadAlloc;
rep.minWidth = pScrPriv->minWidth;
rep.minHeight = pScrPriv->minHeight;
@ -340,7 +340,7 @@ rrGetScreenResources(ClientPtr client, Bool query)
rep.pad = 0;
if (query && pScrPriv)
if (!RRGetInfo (pScreen))
if (!RRGetInfo (pScreen, query))
return BadAlloc;
if (!pScrPriv)
@ -612,7 +612,7 @@ ProcRRGetScreenInfo (ClientPtr client)
rep.pad = 0;
if (pScrPriv)
if (!RRGetInfo (pScreen))
if (!RRGetInfo (pScreen, FALSE))
return BadAlloc;
output = RRFirstOutput (pScreen);
@ -793,7 +793,7 @@ ProcRRSetScreenConfig (ClientPtr client)
rep.status = RRSetConfigFailed;
goto sendReply;
}
if (!RRGetInfo (pScreen))
if (!RRGetInfo (pScreen, FALSE))
return BadAlloc;
output = RRFirstOutput (pScreen);

8
randr/rrxinerama.c
View File

@ -307,12 +307,8 @@ ProcRRXineramaQueryScreens(ClientPtr client)
REQUEST_SIZE_MATCH(xXineramaQueryScreensReq);
if (RRXineramaScreenActive (pScreen))
{
rrScrPriv(pScreen);
if (pScrPriv->numCrtcs == 0 || pScrPriv->numOutputs == 0)
RRGetInfo (pScreen);
}
RRGetInfo (pScreen, FALSE);
rep.type = X_Reply;
rep.sequenceNumber = client->sequence;
rep.number = RRXineramaScreenCount (pScreen);