修改成异步的接口

Kernel/tests/renderive/threading/Threading_Contract_Test.cpp

@@ -90,7 +90,7 @@ struct Threading_Test_Render_Graph_Renderable : Renderable_Base {
             executed->fetch_add(1, std::memory_order_relaxed);
         });
     }
-    void request_graph_rebuild() noexcept {
+    void request_graph_rebuild() {
         rebuild_render_graph();
     }
     std::atomic<int>* executed;
@@ -534,32 +534,29 @@ TEST(threading_contract_test, scene_serializes_multiple_render_submitters_withou
     EXPECT_EQ(executed.load(std::memory_order_acquire), render_count);
     EXPECT_EQ(maximum_sequence.load(std::memory_order_acquire), render_count);
 }
-TEST(threading_contract_test, scene_render_and_render_graph_rebuild_can_run_concurrently) {
+TEST(threading_contract_test, scene_render_and_render_graph_rebuild_are_serialized_by_mutation_barrier) {
     Scene2D_Context<> scene;
     constexpr int render_count = 300;
     std::atomic<int> executed{};
     auto renderable = std::make_shared<Threading_Test_Render_Graph_Renderable>(scene, executed);
-    scene.attach_renderable(renderable);
+    scene.attach_renderable(renderable).wait();
     std::atomic<bool> start{};
-    std::atomic<bool> renderer_done{};
     std::thread renderer([&] {
         wait_start(start);
         for (int index = 0; index < render_count; ++index) {
             scene.render();
             scene.wait_for_render();
         }
-        renderer_done.store(true, std::memory_order_release);
     });
     std::thread rebuilder([&] {
         wait_start(start);
-        while (!renderer_done.load(std::memory_order_acquire)) {
+        for (int index = 0; index < render_count; ++index)
             renderable->request_graph_rebuild();
-            std::this_thread::yield();
-        }
     });
     start.store(true, std::memory_order_release);
     renderer.join();
     rebuilder.join();
+    scene.wait_for_mutations();
     EXPECT_EQ(executed.load(std::memory_order_acquire), render_count);
 }
 TEST(threading_contract_test, real_time_data_updates_can_race_with_scene_destruction) {