From 93cdee3bab29db06f4a31e2ee72e9284026edcba Mon Sep 17 00:00:00 2001
From: Daniel Imms <daimms@microsoft.com>
Date: Mon, 9 Dec 2019 19:39:59 -0800
Subject: [PATCH] Support hidden in WebGL renderer

Fixes #2596
---
 addons/xterm-addon-webgl/src/atlas/WebglCharAtlas.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/addons/xterm-addon-webgl/src/atlas/WebglCharAtlas.ts b/addons/xterm-addon-webgl/src/atlas/WebglCharAtlas.ts
index c96c2a69..76acf2b2 100644
--- a/addons/xterm-addon-webgl/src/atlas/WebglCharAtlas.ts
+++ b/addons/xterm-addon-webgl/src/atlas/WebglCharAtlas.ts
@@ -316,6 +316,11 @@ export class WebglCharAtlas implements IDisposable {
     this._workAttributeData.fg = fg;
     this._workAttributeData.bg = bg;
 
+    const invisible = !!this._workAttributeData.isInvisible();
+    if (invisible) {
+      return NULL_RASTERIZED_GLYPH;
+    }
+
     const bold = !!this._workAttributeData.isBold();
     const inverse = !!this._workAttributeData.isInverse();
     const dim = !!this._workAttributeData.isDim();