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(!1893) dix: write out X_AllocColorPlanes reply directly 

No need for using a complex callback machinery, if we just move the
little pieces of byte-swapping directly into the request handler.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
This commit is contained in:
Enrico Weigelt, metux IT consult 2025-04-04 14:42:30 +02:00
parent e83a1f1309
commit 67c2db5d25
4 changed files with 19 additions and 27 deletions
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26
dix/dispatch.c
View File

@ -2802,7 +2802,6 @@ ProcAllocColorPlanes(ClientPtr client)
rc = dixLookupResourceByType((void **) &pcmp, stuff->cmap, X11_RESTYPE_COLORMAP,
client, DixAddAccess);
if (rc == Success) {
xAllocColorPlanesReply acpr;
int npixels;
long length;
@ -2815,7 +2814,8 @@ ProcAllocColorPlanes(ClientPtr client)
client->errorValue = stuff->contiguous;
return BadValue;
}
acpr = (xAllocColorPlanesReply) {
xAllocColorPlanesReply rep = {
.type = X_Reply,
.sequenceNumber = client->sequence,
.nPixels = npixels
@ -2828,19 +2828,29 @@ ProcAllocColorPlanes(ClientPtr client)
if ((rc = AllocColorPlanes(client->index, pcmp, npixels,
(int) stuff->red, (int) stuff->green,
(int) stuff->blue, (Bool) stuff->contiguous,
ppixels, &acpr.redMask, &acpr.greenMask,
&acpr.blueMask))) {
ppixels, &rep.redMask, &rep.greenMask,
&rep.blueMask))) {
free(ppixels);
return rc;
}
acpr.length = bytes_to_int32(length);
rep.length = bytes_to_int32(length);
if (client->swapped) {
SwapLongs(ppixels, rep.length);
swaps(&rep.sequenceNumber);
swapl(&rep.length);
swaps(&rep.nPixels);
swapl(&rep.redMask);
swapl(&rep.greenMask);
swapl(&rep.blueMask);
}
#ifdef XINERAMA
if (noPanoramiXExtension || !pcmp->pScreen->myNum)
#endif /* XINERAMA */
{
WriteReplyToClient(client, sizeof(xAllocColorPlanesReply), &acpr);
client->pSwapReplyFunc = (ReplySwapPtr) Swap32Write;
WriteSwappedDataToClient(client, length, ppixels);
WriteToClient(client, sizeof(rep), &rep);
WriteToClient(client, length, ppixels);
}
free(ppixels);
return Success;

13
dix/swaprep.c
View File

@ -310,19 +310,6 @@ SGetFontPathReply(ClientPtr pClient, int size, xGetFontPathReply * pRep)
WriteToClient(pClient, size, pRep);
}
void _X_COLD
SAllocColorPlanesReply(ClientPtr pClient, int size,
xAllocColorPlanesReply * pRep)
{
swaps(&pRep->sequenceNumber);
swapl(&pRep->length);
swaps(&pRep->nPixels);
swapl(&pRep->redMask);
swapl(&pRep->greenMask);
swapl(&pRep->blueMask);
WriteToClient(pClient, size, pRep);
}
static void _X_COLD
SwapRGB(xrgb * prgb)
{

2
dix/tables.c
View File

@ -800,7 +800,7 @@ ReplySwapPtr ReplySwapVector[256] = {
ReplyNotSwappd,
ReplyNotSwappd, /* 85 */
ReplyNotSwappd,
(ReplySwapPtr) SAllocColorPlanesReply,
ReplyNotSwappd,
ReplyNotSwappd,
ReplyNotSwappd,
ReplyNotSwappd, /* 90 */

5
include/swaprep.h
View File

@ -68,11 +68,6 @@ extern void SGetFontPathReply(ClientPtr /* pClient */ ,
int /* size */ ,
xGetFontPathReply * /* pRep */ );
extern void SAllocColorPlanesReply(ClientPtr /* pClient */ ,
int /* size */ ,
xAllocColorPlanesReply * /* pRep */
);
extern void SQColorsExtend(ClientPtr /* pClient */ ,
int /* size */ ,
xrgb * /* prgb */ );