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-rw-r--r--src/gallium/state_trackers/xorg/xorg_crtc.c14
-rw-r--r--src/gallium/state_trackers/xorg/xorg_driver.c5
-rw-r--r--src/gallium/state_trackers/xorg/xorg_tracker.h1
3 files changed, 20 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/xorg/xorg_crtc.c b/src/gallium/state_trackers/xorg/xorg_crtc.c
index 000ec9048f..53a3c5c2b7 100644
--- a/src/gallium/state_trackers/xorg/xorg_crtc.c
+++ b/src/gallium/state_trackers/xorg/xorg_crtc.c
@@ -275,7 +275,21 @@ err_bo_destroy:
static void
crtc_load_cursor_argb(xf86CrtcPtr crtc, CARD32 * image)
{
+ xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(crtc->scrn);
modesettingPtr ms = modesettingPTR(crtc->scrn);
+
+ /* Older X servers have cursor reference counting bugs leading to use of
+ * freed memory and consequently random crashes. Should be fixed as of
+ * xserver 1.8, but this workaround shouldn't hurt anyway.
+ */
+ if (config->cursor)
+ config->cursor->refcnt++;
+
+ if (ms->cursor)
+ FreeCursor(ms->cursor, None);
+
+ ms->cursor = config->cursor;
+
if (ms->screen)
crtc_load_cursor_argb_ga3d(crtc, image);
#ifdef HAVE_LIBKMS
diff --git a/src/gallium/state_trackers/xorg/xorg_driver.c b/src/gallium/state_trackers/xorg/xorg_driver.c
index 8fb6e5a96d..d7c67463d2 100644
--- a/src/gallium/state_trackers/xorg/xorg_driver.c
+++ b/src/gallium/state_trackers/xorg/xorg_driver.c
@@ -922,6 +922,11 @@ drv_close_screen(int scrnIndex, ScreenPtr pScreen)
drv_leave_vt(scrnIndex, 0);
}
+ if (ms->cursor) {
+ FreeCursor(ms->cursor, None);
+ ms->cursor = NULL;
+ }
+
if (cust && cust->winsys_screen_close)
cust->winsys_screen_close(cust);
diff --git a/src/gallium/state_trackers/xorg/xorg_tracker.h b/src/gallium/state_trackers/xorg/xorg_tracker.h
index 2f5cc64d9c..c1884ebd11 100644
--- a/src/gallium/state_trackers/xorg/xorg_tracker.h
+++ b/src/gallium/state_trackers/xorg/xorg_tracker.h
@@ -90,6 +90,7 @@ typedef struct _modesettingRec
Bool noAccel;
Bool SWCursor;
+ CursorPtr cursor;
CloseScreenProcPtr CloseScreen;
/* Broken-out options. */