From: Chris Duncan <chris@zoso.dev>
Date: Thu, 2 Apr 2026 20:57:06 +0000 (-0700)
Subject: Add context create error listener and improve messaging.
X-Git-Url: https://git.codecow.com/?a=commitdiff_plain;h=73dd9f452c10303935e37bf8771f732587d30bb4;p=nano-pow.git

Add context create error listener and improve messaging.
---

diff --git a/test/index.html b/test/index.html
index 0ed6166..65f0cf4 100644
--- a/test/index.html
+++ b/test/index.html
@@ -28,18 +28,21 @@ SPDX-License-Identifier: GPL-3.0-or-later
 
 			let isContextLost = 0
 			const glSize = (canvas => {
+				canvas.addEventListener('webglcontextcreationerror', ev => {
+					console.log('NanoPow test page WebGL context create error during glSize()', ev.statusMessage)
+				})
 				canvas.addEventListener('webglcontextlost', ev => {
 					// Set up 10s timeout to prevent long-running restoration
 					isContextLost = window.setTimeout(() => {
 						throw new Error('NanoPow could not restore WebGL context.')
 					}, 10_000)
 					ev.preventDefault()
-					console.log('NanoPow test page glSize', 'WebGL context lost.')
+					console.log('NanoPow test page WebGL context lost during glSize()', ev.statusMessage)
 				})
 				canvas.addEventListener('webglcontextrestored', ev => {
 					window.clearTimeout(isContextLost)
 					isContextLost = 0
-					console.log('NanoPow test page glSize', 'WebGL context restored.')
+					console.log('NanoPow test page WebGL context restored during glSize()', ev.statusMessage)
 				})
 				const gl = canvas.getContext('webgl2')
 				const MAX_VIEWPORT_DIMS = gl.getParameter(gl.MAX_VIEWPORT_DIMS)