From c3c458b6c17d86e3509cf620be9783a917b1a978 Mon Sep 17 00:00:00 2001
From: Somnath Mishra <somnath012003@gmail.com>
Date: Mon, 23 Oct 2023 18:02:47 +0000
Subject: [PATCH 1/2] Throwing error in webgl mode when using gridOutput() and
 textOutput()

---
 src/accessibility/gridOutput.js | 4 ++++
 src/accessibility/textOutput.js | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/src/accessibility/gridOutput.js b/src/accessibility/gridOutput.js
index e0a62ddbef..5e91133c6a 100644
--- a/src/accessibility/gridOutput.js
+++ b/src/accessibility/gridOutput.js
@@ -10,6 +10,10 @@ import p5 from '../core/main';
 
 //updates gridOutput
 p5.prototype._updateGridOutput = function(idT) {
+  // Check if the current rendering mode is WEBGL
+  if (this._renderer && this._renderer.isWEBGL) {
+    throw new Error('gridOutput() is not supported in WEBGL mode.');
+  }
   //if html structure is not there yet
   if (!this.dummyDOM.querySelector(`#${idT}_summary`)) {
     return;
diff --git a/src/accessibility/textOutput.js b/src/accessibility/textOutput.js
index 5e37fd5781..09f030fc3d 100644
--- a/src/accessibility/textOutput.js
+++ b/src/accessibility/textOutput.js
@@ -10,6 +10,10 @@ import p5 from '../core/main';
 
 //updates textOutput
 p5.prototype._updateTextOutput = function(idT) {
+  // Check if the current rendering mode is WEBGL
+  if (this._renderer.isWEBGL) {
+    throw new Error('textOutput() is not supported in WEBGL mode.');
+  }
   //if html structure is not there yet
   if (!this.dummyDOM.querySelector(`#${idT}_summary`)) {
     return;

From 5f30455469467b57238c6c0923bf8bf50360742f Mon Sep 17 00:00:00 2001
From: Dave Pagurek <davepagurek@gmail.com>
Date: Tue, 14 Oct 2025 20:36:40 -0400
Subject: [PATCH 2/2] Update WebGL check

---
 src/accessibility/gridOutput.js | 8 ++++++--
 src/accessibility/textOutput.js | 8 ++++++--
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/src/accessibility/gridOutput.js b/src/accessibility/gridOutput.js
index 95a0e47fd2..cbeb03ae50 100644
--- a/src/accessibility/gridOutput.js
+++ b/src/accessibility/gridOutput.js
@@ -11,8 +11,12 @@ import p5 from '../core/main';
 //updates gridOutput
 p5.prototype._updateGridOutput = function(idT) {
   // Check if the current rendering mode is WEBGL
-  if (this._renderer && this._renderer.isWEBGL) {
-    throw new Error('gridOutput() is not supported in WEBGL mode.');
+  if (this._renderer && this._renderer instanceof p5.RendererGL) {
+    if (!this._didOutputGridWebGLMessage) {
+      this._didOutputGridWebGLMessage = true;
+      console.error('gridOutput() does not yet work in WebGL mode.');
+    }
+    return;
   }
   //if html structure is not there yet
   if (!this.dummyDOM.querySelector(`#${idT}_summary`)) {
diff --git a/src/accessibility/textOutput.js b/src/accessibility/textOutput.js
index 0b645e88e9..bc3a7b3134 100644
--- a/src/accessibility/textOutput.js
+++ b/src/accessibility/textOutput.js
@@ -11,8 +11,12 @@ import p5 from '../core/main';
 //updates textOutput
 p5.prototype._updateTextOutput = function(idT) {
   // Check if the current rendering mode is WEBGL
-  if (this._renderer.isWEBGL) {
-    throw new Error('textOutput() is not supported in WEBGL mode.');
+  if (this._renderer && this._renderer instanceof p5.RendererGL) {
+    if (!this._didOutputTextWebGLMessage) {
+      this._didOutputTextWebGLMessage = true;
+      console.error('textOutput() does not yet work in WebGL mode.');
+    }
+    return;
   }
   //if html structure is not there yet
   if (!this.dummyDOM.querySelector(`#${idT}_summary`)) {