#ifndef VULKAN_STATE_H
#define VULKAN_STATE_H


#include "volk.h"
#include "vk_mem_alloc.h"
#include "tier0/platform.h"
#include "tier1/utlvector.h"
#include "tier2/iappsystem.h"
#include "materialsystem/imaterialsystem.h"

#define REQUIRED_EXTENSION(ext) bool bIsSupported_##ext;
#define OPTIONAL_EXTENSION(ext) bool bIsSupported_##ext;
extern struct SupportedVulkanExtensions_t
{
#include "device_extensions.h"
} g_vkAvailableExtensions;
#undef REQUIRED_EXTENSION
#undef OPTIONAL_EXTENSION

enum EVulkanCommandType
{
	COMMAND_TYPE_GENERAL,

	COMMAND_TYPE_BEGIN,
	COMMAND_TYPE_DRAW,
	COMMAND_TYPE_END,
};

enum EDependencyMode
{
	DEPENDENCY_MODE_SHADER_IMAGE_READ,
	DEPENDENCY_MODE_SHADER_BUFFER_READ,
	DEPENDENCY_MODE_SHADER_IMAGE_WRITE,
	DEPENDENCY_MODE_SHADER_BUFFER_WRITE,
	DEPENDENCY_MODE_SHADER_ACCELERATION_STRUCTURE,
	
	DEPENDENCY_MODE_DRAWCALL_VERTEX_BUFFER,
	DEPENDENCY_MODE_DRAWCALL_INDEX_BUFFER,
	DEPENDENCY_MODE_DRAWCALL_OUTPUT_IMAGE,

	DEPENDENCY_MODE_IMAGE_SOURCE,
	DEPENDENCY_MODE_IMAGE_DESTINATION,
};

#define EXPOSE_VULKAN_COMMAND( name ) \
class CVulkanCommand_##name; \
CVulkanCommand_##name *name(); \

#define DECLARE_VULKAN_COMMAND( name ) \
class CVulkanCommand_##name \
{ \
public: \
	virtual void Execute() override; \
}; \
CVulkanCommand_##name *name(); \
{ \
	return new CVulkanCommand_##name \
} \
void CVulkanCommand_##name::Execute() \

abstract_class CVkCommand
{
public:
	void AddDependency( IRenderingObject *pObject, EDependencyMode eDependencyMode );
	virtual void Execute();

	struct VulkanCommandDepenency_t {
		IRenderingObject *m_pObject;
		EDependencyMode m_eDependencyMode;
	};
	CUtlVector<VulkanCommandDepenency_t> m_depedencies;
};

abstract_class IVkCommandBuffer: public IAppSystem
{
public:
	virtual void AddCommand( EVulkanCommandType eType, CVkCommand * ) = 0;

	virtual void Submit() = 0;
};

IVkCommandBuffer *VulkanCommandBuffer();

#undef __cplusplus
#include "vulkan/vk_enum_string_helper.h"
#define __cplusplus 202400L

#define VULKAN_RESULT_PRINT(r, func) \
if (r != VK_SUCCESS) \
	Plat_FatalErrorFunc(#func " failed: %s\n", string_VkResult(r))

#endif