adding D3D11 base, working on Vulkan backend

Sources/Backends/Vulkan/VulkanInstance.h

@@ -0,0 +1,23 @@
+// Copyright (C) 2024 kanel
+// This file is part of "Pulse"
+// For conditions of distribution and use, see copyright notice in LICENSE
+
+#ifdef PULSE_ENABLE_VULKAN_BACKEND
+
+#ifndef PULSE_VULKAN_INSTANCE_H_
+#define PULSE_VULKAN_INSTANCE_H_
+
+#include <vulkan/vulkan_core.h>
+
+typedef struct VulkanInstance
+{
+	VkInstance instance;
+
+	#define PULSE_VULKAN_INSTANCE_FUNCTION(fn) PFN_##fn fn;
+		#include "VulkanInstancePrototypes.h"
+	#undef PULSE_VULKAN_INSTANCE_FUNCTION
+} VulkanInstance;
+
+#endif // PULSE_VULKAN_INSTANCE_H_
+
+#endif // PULSE_ENABLE_VULKAN_BACKEND