// Copyright 2022 Simon Boyé

#include <vk/CommandPool.h>
#include <vk/Context.h>

#include <cassert>


namespace vk {


CommandPool::CommandPool() noexcept {
}

CommandPool::CommandPool(Context& context, uint32_t queue_family, VkCommandPoolCreateFlags flags)
    : Wrapper(context)
{
    assert(m_context);

    VkCommandPoolCreateInfo create_info {
        .sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO,
        .flags = flags,
        .queueFamilyIndex = queue_family,
    };
    if(vkCreateCommandPool(
        context.device(),
        &create_info,
        nullptr,
        &m_command_pool
    ) != VK_SUCCESS)
        throw std::runtime_error("failed to create command pool");
}

CommandPool::CommandPool(CommandPool&& other) noexcept
{
    swap(other);
}

CommandPool::~CommandPool() noexcept {
    if(!is_null())
        destroy();
}


CommandPool& CommandPool::operator=(CommandPool&& other) noexcept {
    swap(other);
    if(other)
        other.destroy();
    return *this;
}


void CommandPool::destroy() noexcept {
    assert(!is_null());
    assert(m_context);

    vkDestroyCommandPool(
        m_context->device(),
        m_command_pool,
        nullptr
    );

    m_command_pool = nullptr;
}


}