From 98b3321e6fcade5fa8c3d3f33de327a93d13b78b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Morten=20Johan=20S=C3=B8rvig?= <morten.sorvig@qt.io>
Date: Fri, 22 Mar 2019 09:51:11 +0100
Subject: [PATCH] wasm: disable threaded rendering

Enabling makes QtQuick to attempt to access window.devicePixelRatio
[via QWasmWindow::devicePixelRatio()] from a web worker.

Change-Id: I957df29060c7eb8c47d02bc67c8c5c2219b570f4
Reviewed-by: Lorn Potter <lorn.potter@gmail.com>
---
 src/plugins/platforms/wasm/qwasmintegration.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/plugins/platforms/wasm/qwasmintegration.cpp b/src/plugins/platforms/wasm/qwasmintegration.cpp
index 499a82adbd..486f4cb2b3 100644
--- a/src/plugins/platforms/wasm/qwasmintegration.cpp
+++ b/src/plugins/platforms/wasm/qwasmintegration.cpp
@@ -116,7 +116,7 @@ bool QWasmIntegration::hasCapability(QPlatformIntegration::Capability cap) const
     switch (cap) {
     case ThreadedPixmaps: return true;
     case OpenGL: return true;
-    case ThreadedOpenGL: return true;
+    case ThreadedOpenGL: return false;
     case RasterGLSurface: return false; // to enable this you need to fix qopenglwidget and quickwidget for wasm
     case MultipleWindows: return true;
     case WindowManagement: return true;