From c42ed707588c2de57367c162ef378f651c5716fb Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <m@mitchellh.com>
Date: Fri, 19 Sep 2025 09:45:07 -0700
Subject: [PATCH] renderer/opengl: minimum contrast for black sets proper color

Fixes #8745

When rendering black for minimum contrast we were setting opacity to 0
making it invisible.
---
 src/renderer/shaders/glsl/common.glsl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/renderer/shaders/glsl/common.glsl b/src/renderer/shaders/glsl/common.glsl
index a0ed9f7b4..1a7ea03a7 100644
--- a/src/renderer/shaders/glsl/common.glsl
+++ b/src/renderer/shaders/glsl/common.glsl
@@ -102,7 +102,7 @@ vec4 contrasted_color(float min_ratio, vec4 fg, vec4 bg) {
         if (white_ratio > black_ratio) {
             return vec4(1.0);
         } else {
-            return vec4(0.0);
+            return vec4(0.0, 0.0, 0.0, 1.0);
         }
     }