1 files changed, 105 insertions, 0 deletions

diff --git a/engine/xe_device.hpp b/engine/xe_device.hpp
new file mode 100755
index 0000000..0906123
--- /dev/null
+++ b/engine/xe_device.hpp
@@ -0,0 +1,105 @@
+#pragma once
+
+#include "xe_window.hpp"
+
+#include <string>
+#include <vector>
+
+namespace xe {
+
+struct SwapChainSupportDetails {
+  VkSurfaceCapabilitiesKHR capabilities;
+  std::vector<VkSurfaceFormatKHR> formats;
+  std::vector<VkPresentModeKHR> presentModes;
+};
+
+struct QueueFamilyIndices {
+  uint32_t graphicsFamily;
+  uint32_t presentFamily;
+  bool graphicsFamilyHasValue = false;
+  bool presentFamilyHasValue = false;
+  bool isComplete() { return graphicsFamilyHasValue && presentFamilyHasValue; }
+};
+
+class XeDevice {
+ public:
+#ifdef NDEBUG
+  const bool enableValidationLayers = false;
+#else
+  const bool enableValidationLayers = true;
+#endif
+
+  XeDevice(XeWindow &window);
+  ~XeDevice();
+
+  XeDevice(const XeDevice &) = delete;
+  void operator=(const XeDevice &) = delete;
+  XeDevice(XeDevice &&) = delete;
+  XeDevice &operator=(XeDevice &&) = delete;
+
+  VkCommandPool getCommandPool() { return commandPool; }
+  VkDevice device() { return device_; }
+  VkSurfaceKHR surface() { return surface_; }
+  VkQueue graphicsQueue() { return graphicsQueue_; }
+  VkQueue presentQueue() { return presentQueue_; }
+
+  SwapChainSupportDetails getSwapChainSupport() { return querySwapChainSupport(physicalDevice); }
+  uint32_t findMemoryType(uint32_t typeFilter, VkMemoryPropertyFlags properties);
+  QueueFamilyIndices findPhysicalQueueFamilies() { return findQueueFamilies(physicalDevice); }
+  VkFormat findSupportedFormat(
+      const std::vector<VkFormat> &candidates, VkImageTiling tiling, VkFormatFeatureFlags features);
+
+
+  void createBuffer(
+      VkDeviceSize size,
+      VkBufferUsageFlags usage,
+      VkMemoryPropertyFlags properties,
+      VkBuffer &buffer,
+      VkDeviceMemory &bufferMemory);
+  VkCommandBuffer beginSingleTimeCommands();
+  void endSingleTimeCommands(VkCommandBuffer commandBuffer);
+  void copyBuffer(VkBuffer srcBuffer, VkBuffer dstBuffer, VkDeviceSize size);
+  void copyBufferToImage(
+      VkBuffer buffer, VkImage image, uint32_t width, uint32_t height, uint32_t layerCount);
+
+  void createImageWithInfo(
+      const VkImageCreateInfo &imageInfo,
+      VkMemoryPropertyFlags properties,
+      VkImage &image,
+      VkDeviceMemory &imageMemory);
+
+  VkPhysicalDeviceProperties properties;
+
+ private:
+  void createInstance();
+  void setupDebugMessenger();
+  void createSurface();
+  void pickPhysicalDevice();
+  void createLogicalDevice();
+  void createCommandPool();
+
+  bool isDeviceSuitable(VkPhysicalDevice device);
+  std::vector<const char *> getRequiredExtensions();
+  bool checkValidationLayerSupport();
+  QueueFamilyIndices findQueueFamilies(VkPhysicalDevice device);
+  void populateDebugMessengerCreateInfo(VkDebugUtilsMessengerCreateInfoEXT &createInfo);
+  void hasGflwRequiredInstanceExtensions();
+  bool checkDeviceExtensionSupport(VkPhysicalDevice device);
+  SwapChainSupportDetails querySwapChainSupport(VkPhysicalDevice device);
+
+  VkInstance instance;
+  VkDebugUtilsMessengerEXT debugMessenger;
+  VkPhysicalDevice physicalDevice = VK_NULL_HANDLE;
+  XeWindow &window;
+  VkCommandPool commandPool;
+
+  VkDevice device_;
+  VkSurfaceKHR surface_;
+  VkQueue graphicsQueue_;
+  VkQueue presentQueue_;
+
+  const std::vector<const char *> validationLayers = {"VK_LAYER_KHRONOS_validation"};
+  const std::vector<const char *> deviceExtensions = {VK_KHR_SWAPCHAIN_EXTENSION_NAME, VK_KHR_MAINTENANCE1_EXTENSION_NAME};
+};
+
+}
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