vktutorial/hk_swap_chain.hpp

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2024-02-21 13:28:50 +08:00
#pragma once
#include "hk_device.hpp"
// vulkan headers
#include <vulkan/vulkan.h>
// std lib headers
#include <string>
#include <vector>
namespace hk
{
class SwapChain
{
public:
static constexpr int MAX_FRAMES_IN_FLIGHT = 2;
SwapChain(Device &deviceRef, VkExtent2D windowExtent);
~SwapChain();
SwapChain(const SwapChain &) = delete;
SwapChain &operator=(const SwapChain &) = delete;
VkFramebuffer getFrameBuffer(int index) { return swapChainFramebuffers[index]; }
VkRenderPass getRenderPass() { return renderPass; }
VkImageView getImageView(int index) { return swapChainImageViews[index]; }
size_t imageCount() { return swapChainImages.size(); }
VkFormat getSwapChainImageFormat() { return swapChainImageFormat; }
VkExtent2D getSwapChainExtent() { return swapChainExtent; }
uint32_t width() { return swapChainExtent.width; }
uint32_t height() { return swapChainExtent.height; }
float extentAspectRatio()
{
return static_cast<float>(swapChainExtent.width) / static_cast<float>(swapChainExtent.height);
}
VkFormat findDepthFormat();
VkResult acquireNextImage(uint32_t *imageIndex);
VkResult submitCommandBuffers(const VkCommandBuffer *buffers, uint32_t *imageIndex);
private:
void createSwapChain();
void createImageViews();
void createDepthResources();
void createRenderPass();
void createFramebuffers();
void createSyncObjects();
// Helper functions
VkSurfaceFormatKHR chooseSwapSurfaceFormat(
const std::vector<VkSurfaceFormatKHR> &availableFormats);
VkPresentModeKHR chooseSwapPresentMode(
const std::vector<VkPresentModeKHR> &availablePresentModes);
VkExtent2D chooseSwapExtent(const VkSurfaceCapabilitiesKHR &capabilities);
VkFormat swapChainImageFormat;
VkExtent2D swapChainExtent;
std::vector<VkFramebuffer> swapChainFramebuffers;
VkRenderPass renderPass;
std::vector<VkImage> depthImages;
std::vector<VkDeviceMemory> depthImageMemorys;
std::vector<VkImageView> depthImageViews;
std::vector<VkImage> swapChainImages;
std::vector<VkImageView> swapChainImageViews;
Device &device;
VkExtent2D windowExtent;
VkSwapchainKHR swapChain;
std::vector<VkSemaphore> imageAvailableSemaphores;
std::vector<VkSemaphore> renderFinishedSemaphores;
std::vector<VkFence> inFlightFences;
std::vector<VkFence> imagesInFlight;
size_t currentFrame = 0;
};
} // namespace hk