From cae71f011d5339bff33e146516985a4cfa06ab77 Mon Sep 17 00:00:00 2001
From: Thomas Wilshaw <thomaswilshaw@gmail.com>
Date: Sun, 9 Oct 2022 16:19:49 +0100
Subject: [PATCH] Chromakey: Fix alpha channel bug

Fixes bug where elements that are smaller than the main texture were
croping layers below them when keyed.
---
 app/shaders/chromakey.frag | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/app/shaders/chromakey.frag b/app/shaders/chromakey.frag
index dc665b2e4..d3ee70e6c 100644
--- a/app/shaders/chromakey.frag
+++ b/app/shaders/chromakey.frag
@@ -100,8 +100,7 @@ void main() {
     mask = 1.0 - mask;
   }
 
-  col.rgb *= mask;
-  col.w = mask;
+  col *= mask;
 
   if (!mask_only_in) {
     frag_color = col;