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egl_dri2/x11: Check availability of the dri2 extension

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Do this before query versions, or xcb will shutdown
and the connection can not be used for swrast.
This commit is contained in:
Benjamin Franzke 2011-06-19 23:48:39 +02:00 • committed by Kristian Høgsberg
parent 8eea050f5a
commit 80636ff2da
1 changed files with 9 additions and 0 deletions
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9
src/egl/drivers/dri2/platform_x11.c
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@ -479,10 +479,19 @@ dri2_connect(struct dri2_egl_display *dri2_dpy)
xcb_generic_error_t *error;
xcb_screen_iterator_t s;
char *driver_name, *device_name;
const xcb_query_extension_reply_t *extension;
xcb_prefetch_extension_data (dri2_dpy->conn, &xcb_xfixes_id);
xcb_prefetch_extension_data (dri2_dpy->conn, &xcb_dri2_id);
extension = xcb_get_extension_data(dri2_dpy->conn, &xcb_xfixes_id);
if (!(extension && extension->present))
return EGL_FALSE;
extension = xcb_get_extension_data(dri2_dpy->conn, &xcb_dri2_id);
if (!(extension && extension->present))
return EGL_FALSE;
xfixes_query_cookie = xcb_xfixes_query_version(dri2_dpy->conn,
XCB_XFIXES_MAJOR_VERSION,
XCB_XFIXES_MINOR_VERSION);