Function create_buffer_helper

src/utils/impl_task_graph.cpp:950–985

    }

    auto create_buffer_helper(ImplTaskGraph & impl, TaskResourceKind kind, usize size, TaskResourceLifetimeType lifetime_type, std::string_view name)
    {
        DAXA_DBG_ASSERT_TRUE_M(!impl.compiled, "completed task graphs can not record new tasks");
        DAXA_DBG_ASSERT_TRUE_M(!impl.name_to_resource_table.contains(name), "task buffer names must be unique");

        ImplTaskResource buffer = {};
        buffer.name = impl.task_memory.allocate_copy_string(name);
        buffer.kind = kind;
        buffer.external = {};
        buffer.lifetime_type = lifetime_type,
        buffer.id = {};
        buffer.info.buffer.size = size;

        impl.resources.push_back(buffer);
        u32 const index = static_cast<u32>(impl.resources.size()) - 1u;

        impl.name_to_resource_table[buffer.name] = std::pair{&impl.resources.back(), index};

        if (lifetime_type == TaskResourceLifetimeType::PERSISTENT_DOUBLE_BUFFER)
        {
            auto buffer_back_buffer = buffer;
            buffer_back_buffer.name = impl.task_memory.allocate_copy_string(std::format("{}::back_buffer", name).c_str());

            impl.resources.push_back(buffer_back_buffer);
            u32 const back_buffer_resource_index = static_cast<u32>(impl.resources.size()) - 1u;

            impl.name_to_resource_table[buffer_back_buffer.name] = std::pair{&impl.resources.back(), back_buffer_resource_index};

            impl.resources[index].double_buffer_pair_resource = { &impl.resources.back(), back_buffer_resource_index };
            impl.resources[index].double_buffer_index = 0u;
            impl.resources[back_buffer_resource_index].double_buffer_pair_resource = { (&impl.resources.back()) - 1u, index };
            impl.resources[back_buffer_resource_index].double_buffer_index = 1u;
        }

        return index;
    }

    auto TaskGraph::create_task_buffer(TaskBufferInfo info) -> TaskBufferView
    {