From 37bbf44f6da1d273af718c504e1aeab5e39be493 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Mon, 10 May 2021 17:48:28 +0200
Subject: [PATCH] =?UTF-8?q?shm:=20set=20=E2=80=98age=E2=80=99=20in=20newly?=
 =?UTF-8?q?=20allocated=20buffers=20to=20something=20large?=
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This ensures we don’t try to do a partial update of fresh buffer.
---
 shm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/shm.c b/shm.c
index 654ecc59..4b503d22 100644
--- a/shm.c
+++ b/shm.c
@@ -397,7 +397,7 @@ shm_get_buffer(struct wl_shm *shm, int width, int height, unsigned long cookie,
             .real_mmapped = real_mmapped,
             .mmap_size = memfd_size,
             .offset = 0,
-            .age = 0,
+            .age = 1234,  /* Force a full repaint */
         }));
 
     struct buffer *ret = &tll_back(buffers);