From 9069d2a60fe1e02f9eac4b76ef9f1181905d7d49 Mon Sep 17 00:00:00 2001
From: Tomas Farago <sensej007@email.cz>
Date: Tue, 19 Oct 2021 13:20:32 +0200
Subject: flatten: complain when input is 2D

---
 src/ufo-flatten-task.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/ufo-flatten-task.c b/src/ufo-flatten-task.c
index 3021876..ba5521e 100644
--- a/src/ufo-flatten-task.c
+++ b/src/ufo-flatten-task.c
@@ -118,6 +118,13 @@ ufo_flatten_task_process (UfoTask *task,
     gfloat *out_mem;
     gfloat *tmp;
     gsize width, height, depth;
+    UfoRequisition in_req;
+
+    ufo_buffer_get_requisition (inputs[0], &in_req);
+    if (in_req.n_dims != 3) {
+        g_warning ("Flatten task requires a 3D input");
+        return TRUE;
+    }
 
     in_mem = ufo_buffer_get_host_array (inputs[0], NULL);
     out_mem = ufo_buffer_get_host_array (output, NULL);
-- 
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