From 2850db1d613f37e923b90ef2e0217c5d68c222ac Mon Sep 17 00:00:00 2001
From: David Manthey <david.manthey@kitware.com>
Date: Wed, 29 Jun 2022 12:15:02 -0400
Subject: [PATCH] fix: Guard texture update calls.

Ensure a valid texture handle.
---
 src/webgl/quadFeature.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/webgl/quadFeature.js b/src/webgl/quadFeature.js
index b946289aed..8217ab1998 100644
--- a/src/webgl/quadFeature.js
+++ b/src/webgl/quadFeature.js
@@ -372,7 +372,7 @@ var webgl_quadFeature = function (arg) {
         nearestPixel = curZoom >= nearestPixel;
       }
       m_quads.imgQuads.forEach((quad) => {
-        if (quad.image && quad.texture && quad.texture.nearestPixel() !== nearestPixel) {
+        if (quad.image && quad.texture && quad.texture.nearestPixel() !== nearestPixel && quad.texture.textureHandle()) {
           /* This could just be
            *   quad.texture.setNearestPixel(nearestPixel);
            * but that needlessly redecodes the image.  Instead, just change the