From cbe05edde59637a3e5a34ca0794aef2ad56faae2 Mon Sep 17 00:00:00 2001
From: Manuel Castilla <manzanillawork@gmail.com>
Date: Sat, 11 Sep 2021 15:11:59 +0200
Subject: [PATCH] Compositor: Fix crash when hashing unconnected operations

It was causing some tests to fail when enabling Full Frame mode.
---
 source/blender/compositor/intern/COM_NodeOperation.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/source/blender/compositor/intern/COM_NodeOperation.cc b/source/blender/compositor/intern/COM_NodeOperation.cc
index a87485fd51c..3bbd1b22d60 100644
--- a/source/blender/compositor/intern/COM_NodeOperation.cc
+++ b/source/blender/compositor/intern/COM_NodeOperation.cc
@@ -63,6 +63,10 @@ std::optional<NodeOperationHash> NodeOperation::generate_hash()
 
   hash.parents_hash_ = 0;
   for (NodeOperationInput &socket : m_inputs) {
+    if (!socket.isConnected()) {
+      continue;
+    }
+
     NodeOperation &input = socket.getLink()->getOperation();
     const bool is_constant = input.get_flags().is_constant_operation;
     combine_hashes(hash.parents_hash_, get_default_hash(is_constant));