diff --git a/src/mesa/main/glthread.c b/src/mesa/main/glthread.c
index 5070b58aa7b..a0d7cb61338 100644
--- a/src/mesa/main/glthread.c
+++ b/src/mesa/main/glthread.c
@@ -421,3 +421,13 @@ _mesa_error_glthread_safe(struct gl_context *ctx, GLenum error, bool glthread,
       _mesa_error(ctx, error, "%s", s);
    }
 }
+
+bool
+_mesa_glthread_invalidate_zsbuf(struct gl_context *ctx)
+{
+   struct glthread_state *glthread = &ctx->GLThread;
+   if (!glthread->enabled)
+      return false;
+   _mesa_marshal_InternalInvalidateFramebufferAncillaryMESA();
+   return true;
+}
diff --git a/src/mesa/main/glthread.h b/src/mesa/main/glthread.h
index 65c61bd34c8..8fc35f38588 100644
--- a/src/mesa/main/glthread.h
+++ b/src/mesa/main/glthread.h
@@ -300,6 +300,7 @@ void _mesa_glthread_disable(struct gl_context *ctx);
 void _mesa_glthread_flush_batch(struct gl_context *ctx);
 void _mesa_glthread_finish(struct gl_context *ctx);
 void _mesa_glthread_finish_before(struct gl_context *ctx, const char *func);
+bool _mesa_glthread_invalidate_zsbuf(struct gl_context *ctx);
 void _mesa_glthread_release_upload_buffer(struct gl_context *ctx);
 void _mesa_glthread_upload(struct gl_context *ctx, const void *data,
                            GLsizeiptr size, unsigned *out_offset,