// Copyright 2022 Simon Boyé

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

#include <cassert>


namespace vk {


ImageView::ImageView() noexcept {
}

ImageView::ImageView(Context& context, const VkImageViewCreateInfo& create_info)
    : m_context(&context)
{
    assert(m_context);

    if(vkCreateImageView(
        context.device(),
        &create_info,
        nullptr,
        &m_image_view
    ) != VK_SUCCESS)
        throw std::runtime_error("failed to create image view");
}

ImageView::ImageView(ImageView&& other) noexcept
{
    swap(*this, other);
}

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


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


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

    vkDestroyImageView(
        m_context->device(),
        m_image_view,
        nullptr
    );

    m_image_view = nullptr;
}


}