Mesa (master): egl/x11: trust our loader over the xserver for the drivername
Emil Velikov
evelikov at kemper.freedesktop.org
Fri Aug 7 18:19:41 UTC 2015
Module: Mesa
Branch: master
Commit: 45e110bad9d5d31eb67d7d32937aa5a752108df8
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=45e110bad9d5d31eb67d7d32937aa5a752108df8
Author: Emil Velikov <emil.l.velikov at gmail.com>
Date: Wed Jul 29 17:19:06 2015 +0100
egl/x11: trust our loader over the xserver for the drivername
This is a port of commit 7bd95ec437a(dri2: Trust our own driver name
lookup over the server's.) from glx/dri2.
v2: Add newline between code and multiline comment. (Matt)
Cc: Julien Isorce <julien.isorce at gmail.com>
Reported-by: Julien Isorce <julien.isorce at gmail.com>
Signed-off-by: Emil Velikov <emil.l.velikov at gmail.com>
Acked-by: Alex Deucher <alexander.deucher at amd.com>
Reviewed-by: Eric Anholt <eric at anholt.net>
---
src/egl/drivers/dri2/platform_x11.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/src/egl/drivers/dri2/platform_x11.c b/src/egl/drivers/dri2/platform_x11.c
index 745e16a..a251694 100644
--- a/src/egl/drivers/dri2/platform_x11.c
+++ b/src/egl/drivers/dri2/platform_x11.c
@@ -519,7 +519,7 @@ dri2_x11_connect(struct dri2_egl_display *dri2_dpy)
xcb_generic_error_t *error;
xcb_screen_iterator_t s;
xcb_screen_t *screen;
- char *driver_name, *device_name;
+ char *driver_name, *loader_driver_name, *device_name;
const xcb_query_extension_reply_t *extension;
xcb_prefetch_extension_data (dri2_dpy->conn, &xcb_xfixes_id);
@@ -596,6 +596,16 @@ dri2_x11_connect(struct dri2_egl_display *dri2_dpy)
}
driver_name = xcb_dri2_connect_driver_name (connect);
+
+ /* If Mesa knows about the appropriate driver for this fd, then trust it.
+ * Otherwise, default to the server's value.
+ */
+ loader_driver_name = loader_get_driver_for_fd(dri2_dpy->fd, 0);
+ if (loader_driver_name) {
+ free(driver_name);
+ driver_name = loader_driver_name;
+ }
+
dri2_dpy->driver_name =
strndup(driver_name,
xcb_dri2_connect_driver_name_length(connect));
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