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wsi/x11: Fetch and discard the SYNC extension info

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Since we're not checking for this, xcb has to do it for us the first
time we call xcb_sync_destroy_fence, which puts a blocking round-trip in
the swapchain destroy path for no reason. Check for the extension so we
have the extension's opcode cached when we need it.

Reviewed-by: Michel Dänzer <mdaenzer@redhat.com>
Reviewed-By: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13339>
This commit is contained in:
Adam Jackson 2021-10-01 17:47:29 -04:00 • committed by Marge Bot
parent ebfbb42e0e
commit b01fe97a39
1 changed files with 3 additions and 1 deletions
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4
src/vulkan/wsi/wsi_common_x11.c
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@ -176,7 +176,7 @@ static struct wsi_x11_connection *
wsi_x11_connection_create(struct wsi_device *wsi_dev,
xcb_connection_t *conn)
{
xcb_query_extension_cookie_t dri3_cookie, pres_cookie, randr_cookie, amd_cookie, nv_cookie, shm_cookie;
xcb_query_extension_cookie_t dri3_cookie, pres_cookie, randr_cookie, amd_cookie, nv_cookie, shm_cookie, sync_cookie;
xcb_query_extension_reply_t *dri3_reply, *pres_reply, *randr_reply, *amd_reply, *nv_reply, *shm_reply = NULL;
bool has_dri3_v1_2 = false;
bool has_present_v1_2 = false;
@ -187,6 +187,7 @@ wsi_x11_connection_create(struct wsi_device *wsi_dev,
if (!wsi_conn)
return NULL;
sync_cookie = xcb_query_extension(conn, 4, "SYNC");
dri3_cookie = xcb_query_extension(conn, 4, "DRI3");
pres_cookie = xcb_query_extension(conn, 7, "Present");
randr_cookie = xcb_query_extension(conn, 5, "RANDR");
@ -206,6 +207,7 @@ wsi_x11_connection_create(struct wsi_device *wsi_dev,
amd_cookie = xcb_query_extension(conn, 11, "ATIFGLRXDRI");
nv_cookie = xcb_query_extension(conn, 10, "NV-CONTROL");
xcb_discard_reply(conn, sync_cookie.sequence);
dri3_reply = xcb_query_extension_reply(conn, dri3_cookie, NULL);
pres_reply = xcb_query_extension_reply(conn, pres_cookie, NULL);
randr_reply = xcb_query_extension_reply(conn, randr_cookie, NULL);