From 80636ff2da374ca417db5afaaa0ab0cc5de9272d Mon Sep 17 00:00:00 2001 From: Benjamin Franzke Date: Sun, 19 Jun 2011 23:48:39 +0200 Subject: [PATCH] egl_dri2/x11: Check availability of the dri2 extension Do this before query versions, or xcb will shutdown and the connection can not be used for swrast. --- src/egl/drivers/dri2/platform_x11.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/src/egl/drivers/dri2/platform_x11.c b/src/egl/drivers/dri2/platform_x11.c index 8bff294..4e00c95 100644 --- a/src/egl/drivers/dri2/platform_x11.c +++ b/src/egl/drivers/dri2/platform_x11.c @@ -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); -- 2.7.4