SwapchainBuilder.h

// Copyright 2022 ShenMian
// License(Apache-2.0)
 
#pragma once
 
#include "../VKDevice.h"
#include "../VKSwapchain.h"
 
class SwapchainBuilder
{
public:
    SwapchainBuilder(VKDevice& device);
 
    VKSwapchain build();
 
    SwapchainBuilder& set_desired_format(VkSurfaceFormatKHR format) noexcept;
 
    SwapchainBuilder& set_desired_present_mode(VkPresentModeKHR presentMode) noexcept;
 
    SwapchainBuilder& set_desired_extent(VkExtent2D extent) noexcept;
 
private:
    uint32_t           get_image_count() const;
    VkSurfaceFormatKHR get_surface_format() const;
    VkPresentModeKHR   get_present_mode() const;
    VkExtent2D         get_extent() const;
 
    VkSwapchainCreateInfoKHR swapchain_info_ = {};
 
    VKDevice& device_;
 
    struct
    {
        VkSurfaceFormatKHR desired_format      = {VK_FORMAT_B8G8R8A8_SRGB, VK_COLOR_SPACE_SRGB_NONLINEAR_KHR};
        VkPresentModeKHR   desired_present_mode = VK_PRESENT_MODE_MAILBOX_KHR;
        VkExtent2D         desired_extent      = {};
    } info_;
};