Method ImageView

framework/core/image_view.cpp:27–69

namespace core
{
ImageView::ImageView(Image &img, VkImageViewType view_type, VkFormat format,
                     uint32_t mip_level, uint32_t array_layer,
                     uint32_t n_mip_levels, uint32_t n_array_layers) :
    VulkanResource{VK_NULL_HANDLE, &img.get_device()},
    image{&img},
    format{format}
{
	if (format == VK_FORMAT_UNDEFINED)
	{
		this->format = format = image->get_format();
	}

	subresource_range.baseMipLevel   = mip_level;
	subresource_range.baseArrayLayer = array_layer;
	subresource_range.levelCount     = n_mip_levels == 0 ? image->get_subresource().mipLevel : n_mip_levels;
	subresource_range.layerCount     = n_array_layers == 0 ? image->get_subresource().arrayLayer : n_array_layers;

	if (is_depth_format(format))
	{
		subresource_range.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT;
	}
	else
	{
		subresource_range.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
	}

	VkImageViewCreateInfo view_info{VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO};
	view_info.image            = image->get_handle();
	view_info.viewType         = view_type;
	view_info.format           = format;
	view_info.subresourceRange = subresource_range;

	auto result = vkCreateImageView(get_device().get_handle(), &view_info, nullptr, &get_handle());

	if (result != VK_SUCCESS)
	{
		throw VulkanException{result, "Cannot create ImageView"};
	}

	// Register this image view to its image
	// in order to be notified when it gets moved
	image->get_views().emplace(this);
}

ImageView::ImageView(ImageView &&other) :
    VulkanResource{std::move(other)},