#pragma once
#include "type.h"
#include "asset/res/guid.h"
#include "render/renderapi.h"
#include "wrapper/commandbuffer.h"
#include "backend.h"
namespace vkn {
	class Backend;
	class VulkanWindow;
	struct MeshVAO;
	struct RenderPassKey;
	using api::Guid;
	using api::Mesh;
	using api::Shader;
	using api::RenderPassNode;
	using api::ResourceBarrierDesc;
	struct VulkanContext : public api::RenderContext {
		VkFence		surfaceFence;;
		VkSemaphore surfaceSemaphore;
		VkSemaphore presentSemaphore;
		CommandBuffer command;
	};
	class VULKAN_API VulkanAPI : public api::RenderAPI {
	private:
		VulkanWindow& window;
		Backend backend;
		table<Guid, MeshVAO> MeshTable;
		table<RenderPassKey, VkRenderPass> RenderPassCache;
	public:
		VulkanAPI();

		void Init() override;
		void Shutdown() override;

		void SetStaticMesh(Mesh& mesh)override;
		void DrawStaticMesh(Mesh& mesh)override;

		void LoadShader(Shader& shader)override;

		void BeginFrame()override;
		void EndFrame()override;
		void BeginRenderPass(RenderPassNode* node) override;
		void EndRenderPass(RenderPassNode* node) override;
		void ExecuteResourceBarriers(const ResourceBarrierDesc& desc) override;

		VkPipeline	 GetPipeline();
		VkRenderPass GetRenderPass(RenderPassKey& config);

		Backend& GetBackend() {
			return backend;
		}
		static VulkanAPI* Ptr() {
			return (VulkanAPI*)api::RenderAPI::Ptr();
		}
	};
}