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Xext: shm: drop useless byte-swapping

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SHM can *only* be used locally by definition, so the case of having
a byte-swapped client doesn't exist at all.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
This commit is contained in:
Enrico Weigelt, metux IT consult
2025-09-05 17:52:35 +02:00
committed by Enrico Weigelt
parent 8336ad8e6f
commit 0d5cf8f610
1 changed files with 1 additions and 121 deletions
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122
Xext/shm.c
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@@ -1363,126 +1363,6 @@ SShmCompletionEvent(xShmCompletionEvent * from, xShmCompletionEvent * to)
cpswapl(from->offset, to->offset);
}
static int _X_COLD
SProcShmAttach(ClientPtr client)
{
REQUEST(xShmAttachReq);
REQUEST_SIZE_MATCH(xShmAttachReq);
swapl(&stuff->shmseg);
swapl(&stuff->shmid);
return ProcShmAttach(client);
}
static int _X_COLD
SProcShmDetach(ClientPtr client)
{
REQUEST(xShmDetachReq);
REQUEST_SIZE_MATCH(xShmDetachReq);
swapl(&stuff->shmseg);
return ProcShmDetach(client);
}
static int _X_COLD
SProcShmPutImage(ClientPtr client)
{
REQUEST(xShmPutImageReq);
REQUEST_SIZE_MATCH(xShmPutImageReq);
swapl(&stuff->drawable);
swapl(&stuff->gc);
swaps(&stuff->totalWidth);
swaps(&stuff->totalHeight);
swaps(&stuff->srcX);
swaps(&stuff->srcY);
swaps(&stuff->srcWidth);
swaps(&stuff->srcHeight);
swaps(&stuff->dstX);
swaps(&stuff->dstY);
swapl(&stuff->shmseg);
swapl(&stuff->offset);
return ProcShmPutImage(client);
}
static int _X_COLD
SProcShmGetImage(ClientPtr client)
{
REQUEST(xShmGetImageReq);
REQUEST_SIZE_MATCH(xShmGetImageReq);
swapl(&stuff->drawable);
swaps(&stuff->x);
swaps(&stuff->y);
swaps(&stuff->width);
swaps(&stuff->height);
swapl(&stuff->planeMask);
swapl(&stuff->shmseg);
swapl(&stuff->offset);
return ProcShmGetImage(client);
}
static int _X_COLD
SProcShmCreatePixmap(ClientPtr client)
{
REQUEST(xShmCreatePixmapReq);
REQUEST_SIZE_MATCH(xShmCreatePixmapReq);
swapl(&stuff->pid);
swapl(&stuff->drawable);
swaps(&stuff->width);
swaps(&stuff->height);
swapl(&stuff->shmseg);
swapl(&stuff->offset);
return ProcShmCreatePixmap(client);
}
#ifdef SHM_FD_PASSING
static int _X_COLD
SProcShmAttachFd(ClientPtr client)
{
REQUEST(xShmAttachFdReq);
SetReqFds(client, 1);
REQUEST_SIZE_MATCH(xShmAttachFdReq);
swapl(&stuff->shmseg);
return ProcShmAttachFd(client);
}
static int _X_COLD
SProcShmCreateSegment(ClientPtr client)
{
REQUEST(xShmCreateSegmentReq);
REQUEST_SIZE_MATCH(xShmCreateSegmentReq);
swapl(&stuff->shmseg);
swapl(&stuff->size);
return ProcShmCreateSegment(client);
}
#endif /* SHM_FD_PASSING */
static int _X_COLD
SProcShmDispatch(ClientPtr client)
{
REQUEST(xReq);
switch (stuff->data) {
case X_ShmQueryVersion:
return ProcShmQueryVersion(client);
case X_ShmAttach:
return SProcShmAttach(client);
case X_ShmDetach:
return SProcShmDetach(client);
case X_ShmPutImage:
return SProcShmPutImage(client);
case X_ShmGetImage:
return SProcShmGetImage(client);
case X_ShmCreatePixmap:
return SProcShmCreatePixmap(client);
#ifdef SHM_FD_PASSING
case X_ShmAttachFd:
return SProcShmAttachFd(client);
case X_ShmCreateSegment:
return SProcShmCreateSegment(client);
#endif
default:
return BadRequest;
}
}
static void ShmPixmapDestroy(CallbackListPtr *pcbl, ScreenPtr pScreen, PixmapPtr pPixmap)
{
ShmDetachSegment(
@@ -1530,7 +1410,7 @@ ShmExtensionInit(void)
ShmSegType = CreateNewResourceType(ShmDetachSegment, "ShmSeg");
if (ShmSegType &&
(extEntry = AddExtension(SHMNAME, ShmNumberEvents, ShmNumberErrors,
ProcShmDispatch, SProcShmDispatch,
ProcShmDispatch, ProcShmDispatch,
ShmResetProc, StandardMinorOpcode))) {
ShmReqCode = (unsigned char) extEntry->base;
ShmCompletionCode = extEntry->eventBase;