Related: tdf#124729 check for gtk_gl_area_get_error before continuing

Change-Id: Ib87f32c2fa8c561981920ea688ea723c8e59bead
Reviewed-on: https://gerrit.libreoffice.org/80839
Tested-by: Jenkins
Reviewed-by: Michael Weghorn <m.weghorn@posteo.de>
diff --git a/vcl/unx/gtk3/gtk3gtkinst.cxx b/vcl/unx/gtk3/gtk3gtkinst.cxx
index 5161c4d..4162fc2 100644
--- a/vcl/unx/gtk3/gtk3gtkinst.cxx
+++ b/vcl/unx/gtk3/gtk3gtkinst.cxx
@@ -1065,6 +1065,10 @@ private:
        gtk_widget_show_all(pParent);

        gtk_gl_area_make_current(GTK_GL_AREA(m_pGLArea));

        if (gtk_gl_area_get_error(GTK_GL_AREA(m_pGLArea)))
            return false;

        gtk_gl_area_attach_buffers(GTK_GL_AREA(m_pGLArea));
        glGenFramebuffersEXT(1, &m_nAreaFrameBuffer);