Add initial vulkan instance creation

Headlessly creates a new vulkan instance, with conditional MacOS
support, and enables the `VK_EXT_debug_utils` instance-extension with a
debug-messenger to hook onto validation layer messages.

include/renderer_vk/vk_debug.hpp

@@ -0,0 +1,48 @@
+#pragma once
+
+#include <span>
+#include <type_traits>
+#include <utility>
+
+#include "vulkan_api.hpp"
+
+namespace Vulkan {
+
+	VKAPI_ATTR VkBool32 VKAPI_CALL debugMessageCallback(
+		VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity, VkDebugUtilsMessageTypeFlagsEXT messageType,
+		const VkDebugUtilsMessengerCallbackDataEXT* callbackData, void* userData
+	);
+
+	void setObjectName(vk::Device device, vk::ObjectType objectType, const void* objectHandle, const char* format, ...);
+
+	template <typename T, typename = std::enable_if_t<vk::isVulkanHandleType<T>::value == true>, typename... ArgsT>
+	inline void setObjectName(vk::Device device, const T objectHandle, const char* format, ArgsT&&... args) {
+		setObjectName(device, T::objectType, objectHandle, format, std::forward<ArgsT>(args)...);
+	}
+
+	void beginDebugLabel(vk::CommandBuffer commandBuffer, std::span<const float, 4> color, const char* format, ...);
+
+	void insertDebugLabel(vk::CommandBuffer commandBuffer, std::span<const float, 4> color, const char* format, ...);
+
+	void endDebugLabel(vk::CommandBuffer commandBuffer);
+
+	class DebugLabelScope {
+	  private:
+		const vk::CommandBuffer commandBuffer;
+
+	  public:
+		template <typename... ArgsT>
+		DebugLabelScope(vk::CommandBuffer targetCommandBuffer, std::span<const float, 4> color, const char* format, ArgsT&&... args)
+			: commandBuffer(targetCommandBuffer) {
+			beginDebugLabel(commandBuffer, color, format, std::forward<ArgsT>(args)...);
+		}
+
+		template <typename... ArgsT>
+		void operator()(std::span<const float, 4> color, const char* format, ArgsT&&... args) const {
+			insertDebugLabel(commandBuffer, color, format, std::forward<ArgsT>(args)...);
+		}
+
+		~DebugLabelScope() { endDebugLabel(commandBuffer); }
+	};
+
+}  // namespace Vulkan