核心模板架构

Core/flow/explicit/Explicit_Renderable_Runtime.cpp

@@ -92,7 +92,7 @@ struct Explicit_Input_Frame_Handle final : Render_Input_Frame_Handle {
             runtime->committed_update_states.push_back(std::move(runtime->input.completion_state));
         }
         if (input)
-            input->clear();
+            input->consume();
         runtime->input.pending = false;
     }
     Explicit_Renderable_Runtime_Data* runtime{};
@@ -192,6 +192,13 @@ Render_Input_Write_Guard Explicit_Renderable_Runtime::acquire_edit_input(bool no
     return Render_Input_Write_Guard(d->input.data, std::make_unique<Explicit_Input_Write_Handle>(d.get(), std::move(lock), notify_render));
 }
 
+Render_Input_Frame_Guard Explicit_Renderable_Runtime::acquire_input_read(Renderable_Input_Role) {
+    std::unique_lock<std::mutex> lock(d->input_mutex, std::try_to_lock);
+    if (!lock || !d->input.data)
+        return {};
+    return Render_Input_Frame_Guard(d->input.data, std::make_unique<Explicit_Input_Frame_Handle>(d.get(), std::move(lock)));
+}
+
 Renderable_Frame_View Explicit_Renderable_Runtime::capture_frame_view() {
     std::unique_lock<std::mutex> state_lock(d->state_mutex);
     if (!d->state)