From dcc87948830eca661c1900e1dd03d23383bd4bb0 Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Sun, 6 Aug 2023 15:25:55 +0900
Subject: [PATCH] Revert "internal/atlas: clarify the logic when to update
 usedAsDestination"

This reverts commit 2c9f5d9dad09fecf4705e4b9bf437ffd2ffd8df1.

Reason: test failures
---
 internal/atlas/image.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/internal/atlas/image.go b/internal/atlas/image.go
index 6f2f6cb96..430aed5f6 100644
--- a/internal/atlas/image.go
+++ b/internal/atlas/image.go
@@ -230,7 +230,6 @@ func (i *Image) paddingSize() int {
 
 func (i *Image) ensureIsolatedFromSource(backends []*backend) {
 	i.resetUsedAsSourceCount()
-	imagesUsedAsDestination[i] = struct{}{}
 
 	if i.backend == nil {
 		// `theSourceBackendsForOneFrame` already includes `backends`.
@@ -246,6 +245,8 @@ func (i *Image) ensureIsolatedFromSource(backends []*backend) {
 		return
 	}
 
+	imagesUsedAsDestination[i] = struct{}{}
+
 	// Check if i has the same backend as the given backends.
 	var needsIsolation bool
 	for _, b := range backends {