1 files changed, 7 insertions, 1 deletions
diff --git a/src/plugins/platforms/wasm/qwasmopenglcontext.cpp b/src/plugins/platforms/wasm/qwasmopenglcontext.cpp
index 07ae1d1cf53..8a4664ec8cd 100644
--- a/src/plugins/platforms/wasm/qwasmopenglcontext.cpp
+++ b/src/plugins/platforms/wasm/qwasmopenglcontext.cpp
@@ -152,7 +152,13 @@ GLuint QWasmOpenGLContext::defaultFramebufferObject(QPlatformSurface *surface) c
 
 bool QWasmOpenGLContext::makeCurrent(QPlatformSurface *surface)
 {
-   if (auto *shareContext = m_qGlContext->shareContext())
+    static bool sentSharingWarning = false;
+    if (!sentSharingWarning && isSharing()) {
+        qWarning() << "The functionality for sharing OpenGL contexts is limited, see documentation";
+        sentSharingWarning = true;
+    }
+
+    if (auto *shareContext = m_qGlContext->shareContext())
         return shareContext->makeCurrent(surface->surface());
 
     const auto context = obtainEmscriptenContext(surface);