M src/platform/qt/DisplayGL.cpp → src/platform/qt/DisplayGL.cpp

@@ -35,6 +35,7 @@ : Display(parent)
 	, m_gl(nullptr)
 {
 	setAttribute(Qt::WA_NativeWindow);
+	windowHandle()->create();
 
 	// This can spontaneously re-enter into this->resizeEvent before creation is done, so we
 	// need to make sure it's initialized to nullptr before we assign the new object to it
@@ -263,6 +264,10 @@ PainterGL* painter = static_cast<PainterGL*>(v->user);
 		if (!painter->m_gl->isValid()) {
 			return;
 		}
+		painter->m_gl->makeCurrent(painter->m_surface);
+#if defined(_WIN32) && defined(USE_EPOXY)
+		epoxy_handle_external_wglMakeCurrent();
+#endif
 		painter->m_gl->swapBuffers(painter->m_gl->surface());
 	};