public:

RenderSystem() = default;

void initialize(const RenderSystemInitInfo& initInfo);

void tick(float deltaTime);

private:

static std::vector<char> readFile(const std::string& filename);

std::shared_ptr<RHI> rhi;

std::tuple<std::unique_ptr<RHIBuffer>, std::unique_ptr<RHIDeviceMemory>>

createIndexBuffer(std::span<uint16_t> indices);

std::tuple<std::unique_ptr<RHIBuffer>, std::unique_ptr<RHIDeviceMemory>>

createVertexBuffer(std::span<struct Vertex> vertices);

std::tuple<std::vector<std::unique_ptr<RHIBuffer>>,

std::vector<std::unique_ptr<RHIDeviceMemory>>,

std::vector<void*>>

createUniformBuffers();

std::tuple<std::unique_ptr<RHIImage>,

std::unique_ptr<RHIImageView>,

std::unique_ptr<RHIDeviceMemory>>

createTextureImage();

void updateUniformBuffer(void* mappedMemory);

void recordCommandBuffer(RHICommandBuffer* commandBuffer);

RHIViewport viewport;

RHIRect2D scissor;

std::vector<Vertex> vertices;

std::vector<uint16_t> indices;

std::unique_ptr<RHIShader> vertexShader, fragmentShader;

std::unique_ptr<RHIDescriptorSetLayout> descriptorSetLayout;

std::vector<std::unique_ptr<RHIDescriptorSet>> descriptorSets;

std::unique_ptr<RHIRenderPass> renderPass;

std::unique_ptr<RHIPipelineLayout> piplineLayout;

std::vector<std::unique_ptr<RHIFramebuffer>> framebuffers;

std::unique_ptr<RHIPipeline> graphicsPipeline;

std::unique_ptr<RHIBuffer> indexBuffer, vertexBuffer;

std::unique_ptr<RHIDeviceMemory> indexBufferMemory, vertexBufferMemory;

std::vector<std::unique_ptr<RHIBuffer>> uniformBuffers;

std::vector<std::unique_ptr<RHIDeviceMemory>> uniformBufferMemories;

std::vector<void*> uniformBuffersMappedMemories;

std::unique_ptr<RHIImage> textureImage;

std::unique_ptr<RHIImageView> textureImageView;

std::unique_ptr<RHIDeviceMemory> textureImageMemory;

std::unique_ptr<RHISampler> textureSampler;