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(!1796) dri3: consolidate reply buffers 

Allocate reply buffers on stack and put multiple fragments into one buffer,
in order to make it easier doing write out by generic macros, in subsequent
commits.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
This commit is contained in:
Enrico Weigelt, metux IT consult 2024-07-15 13:07:25 +02:00
parent e32927e8cf
commit 73a8b21464
1 changed files with 19 additions and 19 deletions
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38
dri3/dri3_request.c
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@ -391,13 +391,19 @@ proc_dri3_get_supported_modifiers(ClientPtr client)
&nwindowmodifiers, &window_modifiers,
&nscreenmodifiers, &screen_modifiers);
CARD64 buf[nwindowmodifiers+nscreenmodifiers];
memcpy(buf, window_modifiers, sizeof(CARD64)*nwindowmodifiers);
memcpy(&buf[nwindowmodifiers], screen_modifiers, sizeof(CARD64)*nscreenmodifiers);
free(window_modifiers);
free(screen_modifiers);
xDRI3GetSupportedModifiersReply rep = {
.type = X_Reply,
.sequenceNumber = client->sequence,
.numWindowModifiers = nwindowmodifiers,
.numScreenModifiers = nscreenmodifiers,
.length = bytes_to_int32(nwindowmodifiers * sizeof(CARD64)) +
bytes_to_int32(nscreenmodifiers* sizeof(CARD64)),
.length = bytes_to_int32(sizeof(buf)),
};
if (client->swapped) {
@ -405,19 +411,12 @@ proc_dri3_get_supported_modifiers(ClientPtr client)
swapl(&rep.length);
swapl(&rep.numWindowModifiers);
swapl(&rep.numScreenModifiers);
for (i = 0; i < nwindowmodifiers; i++)
swapll(&window_modifiers[i]);
for (i = 0; i < nscreenmodifiers; i++)
swapll(&screen_modifiers[i]);
for (i = 0; i < nwindowmodifiers+nscreenmodifiers; i++)
swapll(&buf[i]);
}
WriteToClient(client, sizeof(rep), &rep);
WriteToClient(client, nwindowmodifiers * sizeof(CARD64), window_modifiers);
WriteToClient(client, nscreenmodifiers * sizeof(CARD64), screen_modifiers);
free(window_modifiers);
free(screen_modifiers);
WriteToClient(client, sizeof(buf), buf);
return Success;
}
@ -547,11 +546,15 @@ proc_dri3_buffers_from_pixmap(ClientPtr client)
}
}
CARD32 buf[num_fds * 2];
memcpy(buf, strides, num_fds * sizeof(CARD32));
memcpy(&buf[num_fds], offsets, num_fds * sizeof(CARD32));
xDRI3BuffersFromPixmapReply rep = {
.type = X_Reply,
.sequenceNumber = client->sequence,
.nfd = num_fds,
.length = bytes_to_int32(num_fds * 2 * sizeof(CARD32)),
.length = bytes_to_int32(sizeof(buf)),
.width = pixmap->drawable.width,
.height = pixmap->drawable.height,
.depth = pixmap->drawable.depth,
@ -565,15 +568,12 @@ proc_dri3_buffers_from_pixmap(ClientPtr client)
swaps(&rep.width);
swaps(&rep.height);
swapll(&rep.modifier);
for (i = 0; i < num_fds; i++) {
swapl(&strides[i]);
swapl(&offsets[i]);
}
for (i = 0; i < num_fds * 2; i++)
swapl(&buf[i]);
}
WriteToClient(client, sizeof(rep), &rep);
WriteToClient(client, num_fds * sizeof(CARD32), strides);
WriteToClient(client, num_fds * sizeof(CARD32), offsets);
WriteToClient(client, sizeof(buf), buf);
return Success;
}