#pragma once
#include "vulkan_context.h"
#include "asset/res/guid.h"
#include "backend.h"
namespace vkn {
	class VulkanWindow;
	using api::Guid;
	using api::Mesh;
	using api::Shader;
	using api::Material;
	using api::MaterialInstance;
	using api::RenderPassNode;
	using api::RenderPassType;
	class VULKAN_API VulkanAPI final : public api::RenderAPI{
	private:
		VulkanWindow& window;
		Backend backend;
		table<Guid, MeshVAO> MeshTable;
		table<Guid, VulkanPipeline> PipelineTable;
		table<size_t, RenderPassInfo> RenderPassCache;
		table<FramebufferKey, VkFramebuffer> FramebufferCache;
	public:
		VulkanAPI();
		void Init() override;
		void Shutdown() override;

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

		void SetUpMaterialInstance(MaterialInstance& material) override;
		void LoadShader(Shader& shader, size_t passKey)override;

		void CreateBuffer(BufferDesc& desc) override;
		ImagePtr CreateTexture(TextureDesc desc)override;
		ImageViewPtr CreateTextureView(TextureViewDesc desc)override;

		void BeginFrame()override;
		void EndFrame()override;
		void BeginRenderPass(RenderPassNode* node, FnEnterRenderPass callback) override;
		void EndRenderPass(RenderPassNode* node) override;
		void ExecuteResourceBarriers(const ResourceBarrierDesc& desc) override;
		VkPipeline	 GetPipeline() { return nullptr; };
		const RenderPassInfo& GetRenderPassInfo(size_t hash, const RenderPassKey& config = {});
		Backend& GetBackend() {
			return backend;
		}
		static VulkanAPI* Ptr() {
			return (VulkanAPI*)api::RenderAPI::Ptr();
		}
	};
}