1 files changed, 88 insertions, 0 deletions
diff --git a/engine/xe_swap_chain.hpp b/engine/xe_swap_chain.hpp
new file mode 100755
index 0000000..50aa03f
--- /dev/null
+++ b/engine/xe_swap_chain.hpp
@@ -0,0 +1,88 @@
+#pragma once
+
+#include "xe_device.hpp"
+
+#include <vulkan/vulkan.h>
+
+#include <memory>
+#include <string>
+#include <vector>
+#include <vulkan/vulkan_core.h>
+
+namespace xe {
+
+class XeSwapChain {
+ public:
+  static constexpr int MAX_FRAMES_IN_FLIGHT = 2;
+
+  XeSwapChain(XeDevice &deviceRef, VkExtent2D windowExtent);
+  XeSwapChain(XeDevice &deviceRef, VkExtent2D windowExtent, std::shared_ptr<XeSwapChain> previous);
+  ~XeSwapChain();
+
+  XeSwapChain(const XeSwapChain &) = delete;
+  XeSwapChain operator=(const XeSwapChain &) = 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);
+
+  bool compareSwapFormats(const XeSwapChain& swapChain) const {
+    return swapChain.swapChainDepthFormat == swapChainDepthFormat &&
+           swapChain.swapChainImageFormat == swapChainImageFormat;
+  }
+
+ private:
+  void init();
+  void createSwapChain();
+  void createImageViews();
+  void createDepthResources();
+  void createRenderPass();
+  void createFramebuffers();
+  void createSyncObjects();
+
+  VkSurfaceFormatKHR chooseSwapSurfaceFormat(
+      const std::vector<VkSurfaceFormatKHR> &availableFormats);
+  VkPresentModeKHR chooseSwapPresentMode(
+      const std::vector<VkPresentModeKHR> &availablePresentModes);
+  VkExtent2D chooseSwapExtent(const VkSurfaceCapabilitiesKHR &capabilities);
+
+  VkFormat swapChainImageFormat;
+  VkFormat swapChainDepthFormat;
+  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;
+
+  XeDevice &device;
+  VkExtent2D windowExtent;
+
+  VkSwapchainKHR swapChain;
+  std::shared_ptr<XeSwapChain> oldSwapChain;
+
+  std::vector<VkSemaphore> imageAvailableSemaphores;
+  std::vector<VkSemaphore> renderFinishedSemaphores;
+  std::vector<VkFence> inFlightFences;
+  std::vector<VkFence> imagesInFlight;
+  size_t currentFrame = 0;
+};
+
+}