main.cpp

#define STB_IMAGE_IMPLEMENTATION
#define STB_IMAGE_WRITE_IMPLEMENTATION
#include "stb_image.h"
#include "stb_image_write.h"
#include <glm/glm.hpp>
#include <glm/gtc/matrix_transform.hpp>
#include <vulkan/vulkan.hpp>
#include <filesystem>
#include <fstream>
#include <iostream>

const uint32_t screenWidth = 640;
const uint32_t screenHeight = 640;

struct Vec2 {
    float x, y;
};

struct Vec3 {
    float x, y, z;
};

struct Vertex {
    Vec3 pos;
    Vec2 texUV;
};

std::vector<Vertex> vertices = {
    Vertex{Vec3{-0.5f, -0.5f, -0.5f}, Vec2{0.0, 0.0}},
    Vertex{Vec3{0.5f, 0.5f, -0.5f},  Vec2{1.0, 1.0}},
    Vertex{Vec3{-0.5f, 0.5f, -0.5f}, Vec2{0.0, 1.0}},
    Vertex{Vec3{0.5f, -0.5f, -0.5f}, Vec2{1.0, 0.0}},
    
    Vertex{Vec3{-0.5f, -0.5f, -0.5f}, Vec2{0.0, 0.0}},
    Vertex{Vec3{0.5f, -0.5f, 0.5f},  Vec2{1.0, 1.0}},
    Vertex{Vec3{0.5f, -0.5f, -0.5f}, Vec2{0.0, 1.0}},
    Vertex{Vec3{-0.5f, -0.5f, 0.5f}, Vec2{1.0, 0.0}},
    
    Vertex{Vec3{-0.5f, -0.5f, -0.5f}, Vec2{0.0, 0.0}},
    Vertex{Vec3{-0.5f, 0.5f, 0.5f},  Vec2{1.0, 1.0}},
    Vertex{Vec3{-0.5f, -0.5f, 0.5f}, Vec2{0.0, 1.0}},
    Vertex{Vec3{-0.5f, 0.5f, -0.5f}, Vec2{1.0, 0.0}},
    
    Vertex{Vec3{0.5f, 0.5f, 0.5f}, Vec2{0.0, 0.0}},
    Vertex{Vec3{-0.5f, -0.5f, 0.5f},  Vec2{1.0, 1.0}},
    Vertex{Vec3{0.5f, -0.5f, 0.5f}, Vec2{0.0, 1.0}},
    Vertex{Vec3{-0.5f, 0.5f, 0.5f}, Vec2{1.0, 0.0}},
    
    Vertex{Vec3{0.5f, 0.5f, 0.5f}, Vec2{0.0, 0.0}},
    Vertex{Vec3{-0.5f, 0.5f, -0.5f},  Vec2{1.0, 1.0}},
    Vertex{Vec3{-0.5f, 0.5f, 0.5f}, Vec2{0.0, 1.0}},
    Vertex{Vec3{0.5f, 0.5f, -0.5f}, Vec2{1.0, 0.0}},
    
    Vertex{Vec3{0.5f, 0.5f, 0.5f}, Vec2{0.0, 0.0}},
    Vertex{Vec3{0.5f, -0.5f, -0.5f},  Vec2{1.0, 1.0}},
    Vertex{Vec3{0.5f, 0.5f, -0.5f}, Vec2{0.0, 1.0}},
    Vertex{Vec3{0.5f, -0.5f, 0.5f}, Vec2{1.0, 0.0}},
};

std::vector<uint16_t> indices = {
    0, 1, 2, 1, 0, 3,
    4, 5, 6, 5, 4, 7,
    8, 9, 10, 9, 8, 11,
    12, 13, 14, 13, 12, 15,
    16, 17, 18, 17, 16, 19,
    20, 21, 22, 21, 20, 23};

struct SceneData {
    alignas(16) glm::mat4 model;
    alignas(16) glm::mat4 view;
    alignas(16) glm::mat4 proj;
};

SceneData sceneData = { 
    glm::mat4(1.0f),
    glm::lookAt(glm::vec3(2.0f, 2.0f, 2.0f), glm::vec3(0.0f, 0.0f, 0.0f), glm::vec3(0.0f, 0.0f, -1.0f)),
    glm::perspective(glm::radians(45.0f), 1.0f, 0.1f, 10.0f)
};

int main() {
    vk::InstanceCreateInfo createInfo;
    vk::UniqueInstance instance;
    instance = vk::createInstanceUnique(createInfo);

    std::vector<vk::PhysicalDevice> physicalDevices = instance->enumeratePhysicalDevices();

    vk::PhysicalDevice physicalDevice;
    bool existsSuitablePhysicalDevice = false;
    uint32_t graphicsQueueFamilyIndex;

    for (size_t i = 0; i < physicalDevices.size(); i++) {
        std::vector<vk::QueueFamilyProperties> queueProps = physicalDevices[i].getQueueFamilyProperties();
        bool existsGraphicsQueue = false;

        for (size_t j = 0; j < queueProps.size(); j++) {
            if (queueProps[j].queueFlags & vk::QueueFlagBits::eGraphics) {
                existsGraphicsQueue = true;
                graphicsQueueFamilyIndex = j;
                break;
            }
        }

        if (existsGraphicsQueue) {
            physicalDevice = physicalDevices[i];
            existsSuitablePhysicalDevice = true;
            break;
        }
    }

    if (!existsSuitablePhysicalDevice) {
        std::cerr << "使用可能な物理デバイスがありません。" << std::endl;
        return -1;
    }

    vk::DeviceCreateInfo devCreateInfo;

    auto devRequiredExtensions = {VK_KHR_SWAPCHAIN_EXTENSION_NAME};

    devCreateInfo.enabledExtensionCount = devRequiredExtensions.size();
    devCreateInfo.ppEnabledExtensionNames = devRequiredExtensions.begin();

    vk::DeviceQueueCreateInfo queueCreateInfo[1];
    queueCreateInfo[0].queueFamilyIndex = graphicsQueueFamilyIndex;
    queueCreateInfo[0].queueCount = 1;

    float queuePriorities[1] = {1.0};

    queueCreateInfo[0].pQueuePriorities = queuePriorities;

    devCreateInfo.pQueueCreateInfos = queueCreateInfo;
    devCreateInfo.queueCreateInfoCount = 1;

    vk::UniqueDevice device = physicalDevice.createDeviceUnique(devCreateInfo);

    vk::Queue graphicsQueue = device->getQueue(graphicsQueueFamilyIndex, 0);

        vk::CommandPoolCreateInfo cmdPoolCreateInfo;
    cmdPoolCreateInfo.queueFamilyIndex = graphicsQueueFamilyIndex;
    vk::UniqueCommandPool cmdPool = device->createCommandPoolUnique(cmdPoolCreateInfo);

    vk::CommandBufferAllocateInfo cmdBufAllocInfo;
    cmdBufAllocInfo.commandPool = cmdPool.get();
    cmdBufAllocInfo.commandBufferCount = 1;
    cmdBufAllocInfo.level = vk::CommandBufferLevel::ePrimary;
    std::vector<vk::UniqueCommandBuffer> cmdBufs =
        device->allocateCommandBuffersUnique(cmdBufAllocInfo);

    vk::ImageCreateInfo imgCreateInfo;
    imgCreateInfo.imageType = vk::ImageType::e2D;
    imgCreateInfo.extent = vk::Extent3D(screenWidth, screenHeight, 1);
    imgCreateInfo.mipLevels = 1;
    imgCreateInfo.arrayLayers = 1;
    imgCreateInfo.format = vk::Format::eR8G8B8A8Unorm;
    imgCreateInfo.tiling = vk::ImageTiling::eLinear;
    imgCreateInfo.initialLayout = vk::ImageLayout::eUndefined;
    imgCreateInfo.usage = vk::ImageUsageFlagBits::eColorAttachment;
    imgCreateInfo.sharingMode = vk::SharingMode::eExclusive;
    imgCreateInfo.samples = vk::SampleCountFlagBits::e1;

    vk::UniqueImage image = device->createImageUnique(imgCreateInfo);

    vk::PhysicalDeviceMemoryProperties memProps = physicalDevice.getMemoryProperties();

    vk::MemoryRequirements imgMemReq = device->getImageMemoryRequirements(image.get());

    vk::MemoryAllocateInfo imgMemAllocInfo;
    imgMemAllocInfo.allocationSize = imgMemReq.size;

    bool suitableMemoryTypeFound = false;
    for (size_t i = 0; i < memProps.memoryTypeCount; i++) {
        if (imgMemReq.memoryTypeBits & (1 << i) &&
            (memProps.memoryTypes[i].propertyFlags & vk::MemoryPropertyFlagBits::eHostVisible)) {
            imgMemAllocInfo.memoryTypeIndex = i;
            suitableMemoryTypeFound = true;
            break;
        }
    }

    if (!suitableMemoryTypeFound) {
        std::cerr << "使用可能なメモリタイプがありません。" << std::endl;
        return -1;
    }

    vk::UniqueDeviceMemory imgMem = device->allocateMemoryUnique(imgMemAllocInfo);

    device->bindImageMemory(image.get(), imgMem.get(), 0);

    vk::BufferCreateInfo vertBufferCreateInfo;
    vertBufferCreateInfo.size = sizeof(Vertex) * vertices.size();
    vertBufferCreateInfo.usage = vk::BufferUsageFlagBits::eVertexBuffer | vk::BufferUsageFlagBits::eTransferDst;
    vertBufferCreateInfo.sharingMode = vk::SharingMode::eExclusive;

    vk::UniqueBuffer vertexBuf = device->createBufferUnique(vertBufferCreateInfo);

    vk::MemoryRequirements vertexBufMemReq = device->getBufferMemoryRequirements(vertexBuf.get());

    vk::MemoryAllocateInfo vertexBufMemAllocInfo;
    vertexBufMemAllocInfo.allocationSize = vertexBufMemReq.size;

    suitableMemoryTypeFound = false;
    for (uint32_t i = 0; i < memProps.memoryTypeCount; i++) {
        if (vertexBufMemReq.memoryTypeBits & (1 << i) && (memProps.memoryTypes[i].propertyFlags & vk::MemoryPropertyFlagBits::eDeviceLocal)) {
            vertexBufMemAllocInfo.memoryTypeIndex = i;
            suitableMemoryTypeFound = true;
            break;
        }
    }
    if (!suitableMemoryTypeFound) {
        std::cerr << "適切なメモリタイプが存在しません。" << std::endl;
        return -1;
    }

    vk::UniqueDeviceMemory vertexBufMemory = device->allocateMemoryUnique(vertexBufMemAllocInfo);

    device->bindBufferMemory(vertexBuf.get(), vertexBufMemory.get(), 0);

    {
        vk::BufferCreateInfo stagingBufferCreateInfo;
        stagingBufferCreateInfo.size = sizeof(Vertex) * vertices.size();
        stagingBufferCreateInfo.usage = vk::BufferUsageFlagBits::eTransferSrc;
        stagingBufferCreateInfo.sharingMode = vk::SharingMode::eExclusive;

        vk::UniqueBuffer stagingBuf = device->createBufferUnique(stagingBufferCreateInfo);

        vk::MemoryRequirements stagingBufMemReq = device->getBufferMemoryRequirements(stagingBuf.get());

        vk::MemoryAllocateInfo stagingBufMemAllocInfo;
        stagingBufMemAllocInfo.allocationSize = stagingBufMemReq.size;

        suitableMemoryTypeFound = false;
        for (uint32_t i = 0; i < memProps.memoryTypeCount; i++) {
            if (stagingBufMemReq.memoryTypeBits & (1 << i) && (memProps.memoryTypes[i].propertyFlags & vk::MemoryPropertyFlagBits::eHostVisible)) {
                stagingBufMemAllocInfo.memoryTypeIndex = i;
                suitableMemoryTypeFound = true;
                break;
            }
        }
        if (!suitableMemoryTypeFound) {
            std::cerr << "適切なメモリタイプが存在しません。" << std::endl;
            return -1;
        }

        vk::UniqueDeviceMemory stagingBufMemory = device->allocateMemoryUnique(stagingBufMemAllocInfo);

        device->bindBufferMemory(stagingBuf.get(), stagingBufMemory.get(), 0);

        void *pStagingBufMem = device->mapMemory(stagingBufMemory.get(), 0, sizeof(Vertex) * vertices.size());

        std::memcpy(pStagingBufMem, vertices.data(), sizeof(Vertex) * vertices.size());

        vk::MappedMemoryRange flushMemoryRange;
        flushMemoryRange.memory = stagingBufMemory.get();
        flushMemoryRange.offset = 0;
        flushMemoryRange.size = sizeof(Vertex) * vertices.size();

        device->flushMappedMemoryRanges({flushMemoryRange});

        device->unmapMemory(stagingBufMemory.get());

        vk::CommandPoolCreateInfo tmpCmdPoolCreateInfo;
        tmpCmdPoolCreateInfo.queueFamilyIndex = graphicsQueueFamilyIndex;
        tmpCmdPoolCreateInfo.flags = vk::CommandPoolCreateFlagBits::eTransient;
        vk::UniqueCommandPool tmpCmdPool = device->createCommandPoolUnique(tmpCmdPoolCreateInfo);

        vk::CommandBufferAllocateInfo tmpCmdBufAllocInfo;
        tmpCmdBufAllocInfo.commandPool = tmpCmdPool.get();
        tmpCmdBufAllocInfo.commandBufferCount = 1;
        tmpCmdBufAllocInfo.level = vk::CommandBufferLevel::ePrimary;
        std::vector<vk::UniqueCommandBuffer> tmpCmdBufs = device->allocateCommandBuffersUnique(tmpCmdBufAllocInfo);

        vk::BufferCopy bufCopy;
        bufCopy.srcOffset = 0;
        bufCopy.dstOffset = 0;
        bufCopy.size = sizeof(Vertex) * vertices.size();

        vk::CommandBufferBeginInfo cmdBeginInfo;
        cmdBeginInfo.flags = vk::CommandBufferUsageFlagBits::eOneTimeSubmit;

        tmpCmdBufs[0]->begin(cmdBeginInfo);
        tmpCmdBufs[0]->copyBuffer(stagingBuf.get(), vertexBuf.get(), {bufCopy});
        tmpCmdBufs[0]->end();

        vk::CommandBuffer submitCmdBuf[1] = {tmpCmdBufs[0].get()};
        vk::SubmitInfo submitInfo;
        submitInfo.commandBufferCount = 1;
        submitInfo.pCommandBuffers = submitCmdBuf;

        graphicsQueue.submit({submitInfo});
        graphicsQueue.waitIdle();
    }

    vk::BufferCreateInfo indexBufferCreateInfo;
    indexBufferCreateInfo.size = sizeof(uint16_t) * indices.size();
    indexBufferCreateInfo.usage = vk::BufferUsageFlagBits::eIndexBuffer | vk::BufferUsageFlagBits::eTransferDst;
    indexBufferCreateInfo.sharingMode = vk::SharingMode::eExclusive;

    vk::UniqueBuffer indexBuf = device->createBufferUnique(indexBufferCreateInfo);

    vk::MemoryRequirements indexBufMemReq = device->getBufferMemoryRequirements(indexBuf.get());

    vk::MemoryAllocateInfo indexBufMemAllocInfo;
    indexBufMemAllocInfo.allocationSize = indexBufMemReq.size;

    suitableMemoryTypeFound = false;
    for (uint32_t i = 0; i < memProps.memoryTypeCount; i++) {
        if (indexBufMemReq.memoryTypeBits & (1 << i) && (memProps.memoryTypes[i].propertyFlags & vk::MemoryPropertyFlagBits::eDeviceLocal)) {
            indexBufMemAllocInfo.memoryTypeIndex = i;
            suitableMemoryTypeFound = true;
            break;
        }
    }
    if (!suitableMemoryTypeFound) {
        std::cerr << "適切なメモリタイプが存在しません。" << std::endl;
        return -1;
    }

    vk::UniqueDeviceMemory indexBufMemory = device->allocateMemoryUnique(indexBufMemAllocInfo);

    device->bindBufferMemory(indexBuf.get(), indexBufMemory.get(), 0);

    {
        vk::BufferCreateInfo stagingBufferCreateInfo;
        stagingBufferCreateInfo.size = sizeof(uint16_t) * indices.size();
        stagingBufferCreateInfo.usage = vk::BufferUsageFlagBits::eTransferSrc;
        stagingBufferCreateInfo.sharingMode = vk::SharingMode::eExclusive;

        vk::UniqueBuffer stagingBuf = device->createBufferUnique(stagingBufferCreateInfo);

        vk::MemoryRequirements stagingBufMemReq = device->getBufferMemoryRequirements(stagingBuf.get());

        vk::MemoryAllocateInfo stagingBufMemAllocInfo;
        stagingBufMemAllocInfo.allocationSize = stagingBufMemReq.size;

        suitableMemoryTypeFound = false;
        for (uint32_t i = 0; i < memProps.memoryTypeCount; i++) {
            if (stagingBufMemReq.memoryTypeBits & (1 << i) && (memProps.memoryTypes[i].propertyFlags & vk::MemoryPropertyFlagBits::eHostVisible)) {
                stagingBufMemAllocInfo.memoryTypeIndex = i;
                suitableMemoryTypeFound = true;
                break;
            }
        }
        if (!suitableMemoryTypeFound) {
            std::cerr << "適切なメモリタイプが存在しません。" << std::endl;
            return -1;
        }

        vk::UniqueDeviceMemory stagingBufMemory = device->allocateMemoryUnique(stagingBufMemAllocInfo);

        device->bindBufferMemory(stagingBuf.get(), stagingBufMemory.get(), 0);

        void *pStagingBufMem = device->mapMemory(stagingBufMemory.get(), 0, sizeof(uint16_t) * indices.size());

        std::memcpy(pStagingBufMem, indices.data(), sizeof(uint16_t) * indices.size());

        vk::MappedMemoryRange flushMemoryRange;
        flushMemoryRange.memory = stagingBufMemory.get();
        flushMemoryRange.offset = 0;
        flushMemoryRange.size = sizeof(uint16_t) * indices.size();

        device->flushMappedMemoryRanges({flushMemoryRange});

        device->unmapMemory(stagingBufMemory.get());

        vk::CommandPoolCreateInfo tmpCmdPoolCreateInfo;
        tmpCmdPoolCreateInfo.queueFamilyIndex = graphicsQueueFamilyIndex;
        tmpCmdPoolCreateInfo.flags = vk::CommandPoolCreateFlagBits::eTransient;
        vk::UniqueCommandPool tmpCmdPool = device->createCommandPoolUnique(tmpCmdPoolCreateInfo);

        vk::CommandBufferAllocateInfo tmpCmdBufAllocInfo;
        tmpCmdBufAllocInfo.commandPool = tmpCmdPool.get();
        tmpCmdBufAllocInfo.commandBufferCount = 1;
        tmpCmdBufAllocInfo.level = vk::CommandBufferLevel::ePrimary;
        std::vector<vk::UniqueCommandBuffer> tmpCmdBufs = device->allocateCommandBuffersUnique(tmpCmdBufAllocInfo);

        vk::BufferCopy bufCopy;
        bufCopy.srcOffset = 0;
        bufCopy.dstOffset = 0;
        bufCopy.size = sizeof(uint16_t) * indices.size();

        vk::CommandBufferBeginInfo cmdBeginInfo;
        cmdBeginInfo.flags = vk::CommandBufferUsageFlagBits::eOneTimeSubmit;

        tmpCmdBufs[0]->begin(cmdBeginInfo);
        tmpCmdBufs[0]->copyBuffer(stagingBuf.get(), indexBuf.get(), {bufCopy});
        tmpCmdBufs[0]->end();

        vk::CommandBuffer submitCmdBuf[1] = {tmpCmdBufs[0].get()};
        vk::SubmitInfo submitInfo;
        submitInfo.commandBufferCount = 1;
        submitInfo.pCommandBuffers = submitCmdBuf;

        graphicsQueue.submit({submitInfo});
        graphicsQueue.waitIdle();
    }

    vk::BufferCreateInfo uniformBufferCreateInfo;
    uniformBufferCreateInfo.size = sizeof(SceneData);
    uniformBufferCreateInfo.usage = vk::BufferUsageFlagBits::eUniformBuffer;
    uniformBufferCreateInfo.sharingMode = vk::SharingMode::eExclusive;

    vk::UniqueBuffer uniformBuf = device->createBufferUnique(uniformBufferCreateInfo);

    vk::MemoryRequirements uniformBufMemReq = device->getBufferMemoryRequirements(uniformBuf.get());
        
    vk::MemoryAllocateInfo uniformBufMemAllocInfo;
    uniformBufMemAllocInfo.allocationSize = uniformBufMemReq.size;

    suitableMemoryTypeFound = false;
    for (uint32_t i = 0; i < memProps.memoryTypeCount; i++) {
        if (uniformBufMemReq.memoryTypeBits & (1 << i) &&
            (memProps.memoryTypes[i].propertyFlags & vk::MemoryPropertyFlagBits::eHostVisible)) {
            uniformBufMemAllocInfo.memoryTypeIndex = i;
            suitableMemoryTypeFound = true;
            break;
        }
    }
    if (!suitableMemoryTypeFound) {
        std::cerr << "適切なメモリタイプが存在しません。" << std::endl;
        return -1;
    }

    vk::UniqueDeviceMemory uniformBufMemory = device->allocateMemoryUnique(uniformBufMemAllocInfo);

    device->bindBufferMemory(uniformBuf.get(), uniformBufMemory.get(), 0);

    {
        void* pUniformBufMem = device->mapMemory(uniformBufMemory.get(), 0, sizeof(SceneData));

        std::memcpy(pUniformBufMem, &sceneData, sizeof(SceneData));

        vk::MappedMemoryRange flushMemoryRange;
        flushMemoryRange.memory = uniformBufMemory.get();
        flushMemoryRange.offset = 0;
        flushMemoryRange.size = sizeof(SceneData);

        device->flushMappedMemoryRanges({ flushMemoryRange });

        device->unmapMemory(uniformBufMemory.get());
    }

    int imgWidth, imgHeight, imgCh;
    auto pImgData = stbi_load("image.png", &imgWidth, &imgHeight, &imgCh, STBI_rgb_alpha);
    if (pImgData == nullptr) {
        std::cerr << "画像ファイルの読み込みに失敗しました。" << std::endl;
        return -1;
    }

    vk::ImageCreateInfo texImgCreateInfo;
    texImgCreateInfo.imageType = vk::ImageType::e2D;
    texImgCreateInfo.extent = vk::Extent3D(imgWidth, imgHeight, 1);
    texImgCreateInfo.mipLevels = 1;
    texImgCreateInfo.arrayLayers = 1;
    texImgCreateInfo.format = vk::Format::eR8G8B8A8Unorm;
    texImgCreateInfo.tiling = vk::ImageTiling::eOptimal;
    texImgCreateInfo.initialLayout = vk::ImageLayout::eUndefined;
    texImgCreateInfo.usage = vk::ImageUsageFlagBits::eSampled | vk::ImageUsageFlagBits::eTransferDst;
    texImgCreateInfo.sharingMode = vk::SharingMode::eExclusive;
    texImgCreateInfo.samples = vk::SampleCountFlagBits::e1;

    vk::UniqueImage texImage = device->createImageUnique(texImgCreateInfo);

    vk::MemoryRequirements texImgMemReq = device->getImageMemoryRequirements(texImage.get());

    vk::MemoryAllocateInfo texImgMemAllocInfo;
    texImgMemAllocInfo.allocationSize = texImgMemReq.size;

    suitableMemoryTypeFound = false;
    for (size_t i = 0; i < memProps.memoryTypeCount; i++) {
        if (texImgMemReq.memoryTypeBits & (1 << i)) {
            texImgMemAllocInfo.memoryTypeIndex = i;
            suitableMemoryTypeFound = true;
            break;
        }
    }

    if (!suitableMemoryTypeFound) {
        std::cerr << "使用可能なメモリタイプがありません。" << std::endl;
        return -1;
    }

    vk::UniqueDeviceMemory texImgMem = device->allocateMemoryUnique(texImgMemAllocInfo);

    device->bindImageMemory(texImage.get(), texImgMem.get(), 0);

    {
        size_t imgDataSize = 4 * imgWidth * imgHeight;

        vk::BufferCreateInfo imgStagingBufferCreateInfo;
        imgStagingBufferCreateInfo.size = imgDataSize;
        imgStagingBufferCreateInfo.usage = vk::BufferUsageFlagBits::eTransferSrc;
        imgStagingBufferCreateInfo.sharingMode = vk::SharingMode::eExclusive;

        vk::UniqueBuffer imgStagingBuf = device->createBufferUnique(imgStagingBufferCreateInfo);

        vk::MemoryRequirements imgStagingBufMemReq = device->getBufferMemoryRequirements(imgStagingBuf.get());

        vk::MemoryAllocateInfo imgStagingBufMemAllocInfo;
        imgStagingBufMemAllocInfo.allocationSize = imgStagingBufMemReq.size;

        suitableMemoryTypeFound = false;
        for (uint32_t i = 0; i < memProps.memoryTypeCount; i++) {
            if (imgStagingBufMemReq.memoryTypeBits & (1 << i) &&
                (memProps.memoryTypes[i].propertyFlags & vk::MemoryPropertyFlagBits::eHostVisible)) {
                imgStagingBufMemAllocInfo.memoryTypeIndex = i;
                suitableMemoryTypeFound = true;
                break;
            }
        }
        if (!suitableMemoryTypeFound) {
            std::cerr << "適切なメモリタイプが存在しません。" << std::endl;
            return -1;
        }

        vk::UniqueDeviceMemory imgStagingBufMemory = device->allocateMemoryUnique(imgStagingBufMemAllocInfo);

        device->bindBufferMemory(imgStagingBuf.get(), imgStagingBufMemory.get(), 0);

        void *pImgStagingBufMem = device->mapMemory(imgStagingBufMemory.get(), 0, imgDataSize);

        std::memcpy(pImgStagingBufMem, pImgData, imgDataSize);

        vk::MappedMemoryRange flushMemoryRange;
        flushMemoryRange.memory = imgStagingBufMemory.get();
        flushMemoryRange.offset = 0;
        flushMemoryRange.size = imgDataSize;

        device->flushMappedMemoryRanges({flushMemoryRange});

        device->unmapMemory(imgStagingBufMemory.get());
        
        stbi_image_free(pImgData);

        vk::CommandPoolCreateInfo tmpCmdPoolCreateInfo;
        tmpCmdPoolCreateInfo.queueFamilyIndex = graphicsQueueFamilyIndex;
        tmpCmdPoolCreateInfo.flags = vk::CommandPoolCreateFlagBits::eTransient;
        vk::UniqueCommandPool tmpCmdPool = device->createCommandPoolUnique(tmpCmdPoolCreateInfo);

        vk::CommandBufferAllocateInfo tmpCmdBufAllocInfo;
        tmpCmdBufAllocInfo.commandPool = tmpCmdPool.get();
        tmpCmdBufAllocInfo.commandBufferCount = 1;
        tmpCmdBufAllocInfo.level = vk::CommandBufferLevel::ePrimary;
        std::vector<vk::UniqueCommandBuffer> tmpCmdBufs = device->allocateCommandBuffersUnique(tmpCmdBufAllocInfo);

        vk::CommandBufferBeginInfo cmdBeginInfo;
        cmdBeginInfo.flags = vk::CommandBufferUsageFlagBits::eOneTimeSubmit;

        tmpCmdBufs[0]->begin(cmdBeginInfo);

        {
            vk::ImageMemoryBarrier barrior;
            barrior.oldLayout = vk::ImageLayout::eUndefined;
            barrior.newLayout = vk::ImageLayout::eTransferDstOptimal;
            barrior.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
            barrior.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
            barrior.image = texImage.get();
            barrior.subresourceRange.aspectMask = vk::ImageAspectFlagBits::eColor;
            barrior.subresourceRange.baseMipLevel = 0;
            barrior.subresourceRange.levelCount = 1;
            barrior.subresourceRange.baseArrayLayer = 0;
            barrior.subresourceRange.layerCount = 1;
            barrior.srcAccessMask = {};
            barrior.dstAccessMask = vk::AccessFlagBits::eTransferWrite;
            tmpCmdBufs[0]->pipelineBarrier(vk::PipelineStageFlagBits::eTopOfPipe, vk::PipelineStageFlagBits::eTransfer, {}, {}, {}, {barrior});
        }

        vk::BufferImageCopy imgCopyRegion;
        imgCopyRegion.bufferOffset = 0;
        imgCopyRegion.imageSubresource.aspectMask = vk::ImageAspectFlagBits::eColor;
        imgCopyRegion.imageSubresource.mipLevel = 0;
        imgCopyRegion.imageSubresource.baseArrayLayer = 0;
        imgCopyRegion.imageSubresource.layerCount = 1;
        imgCopyRegion.imageOffset = vk::Offset3D{0, 0, 0};
        imgCopyRegion.imageExtent = vk::Extent3D{uint32_t(imgWidth), uint32_t(imgHeight), 1};

        imgCopyRegion.bufferRowLength = 0;
        imgCopyRegion.bufferImageHeight = 0;

        tmpCmdBufs[0]->copyBufferToImage(imgStagingBuf.get(), texImage.get(), vk::ImageLayout::eTransferDstOptimal, { imgCopyRegion });

        {
            vk::ImageMemoryBarrier barrior;
            barrior.oldLayout = vk::ImageLayout::eTransferDstOptimal;
            barrior.newLayout = vk::ImageLayout::eShaderReadOnlyOptimal;
            barrior.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
            barrior.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
            barrior.image = texImage.get();
            barrior.subresourceRange.aspectMask = vk::ImageAspectFlagBits::eColor;
            barrior.subresourceRange.baseMipLevel = 0;
            barrior.subresourceRange.levelCount = 1;
            barrior.subresourceRange.baseArrayLayer = 0;
            barrior.subresourceRange.layerCount = 1;
            barrior.srcAccessMask = vk::AccessFlagBits::eTransferWrite;
            barrior.dstAccessMask = vk::AccessFlagBits::eShaderRead;
            tmpCmdBufs[0]->pipelineBarrier(vk::PipelineStageFlagBits::eTransfer, vk::PipelineStageFlagBits::eFragmentShader, {}, {}, {}, {barrior});
        }
        tmpCmdBufs[0]->end();
        
        vk::CommandBuffer submitCmdBuf[1] = {tmpCmdBufs[0].get()};
        vk::SubmitInfo submitInfo;
        submitInfo.commandBufferCount = 1;
        submitInfo.pCommandBuffers = submitCmdBuf;

        graphicsQueue.submit({submitInfo});
        graphicsQueue.waitIdle();
    }

    vk::SamplerCreateInfo samplerCreateInfo;
    samplerCreateInfo.magFilter = vk::Filter::eNearest;
    samplerCreateInfo.minFilter = vk::Filter::eNearest;
    samplerCreateInfo.addressModeU = vk::SamplerAddressMode::eRepeat;
    samplerCreateInfo.addressModeV = vk::SamplerAddressMode::eRepeat;
    samplerCreateInfo.addressModeW = vk::SamplerAddressMode::eRepeat;
    samplerCreateInfo.anisotropyEnable = false;
    samplerCreateInfo.maxAnisotropy = 1.0f;
    samplerCreateInfo.borderColor = vk::BorderColor::eIntOpaqueBlack;
    samplerCreateInfo.unnormalizedCoordinates = false;
    samplerCreateInfo.compareEnable = false;
    samplerCreateInfo.compareOp = vk::CompareOp::eAlways;
    samplerCreateInfo.mipmapMode = vk::SamplerMipmapMode::eLinear;
    samplerCreateInfo.mipLodBias = 0.0f;
    samplerCreateInfo.minLod = 0.0f;
    samplerCreateInfo.maxLod = 0.0f;
    vk::UniqueSampler sampler = device->createSamplerUnique(samplerCreateInfo);

    vk::ImageViewCreateInfo texImgViewCreateInfo;
    texImgViewCreateInfo.image = texImage.get();
    texImgViewCreateInfo.viewType = vk::ImageViewType::e2D;
    texImgViewCreateInfo.format = vk::Format::eR8G8B8A8Unorm;
    texImgViewCreateInfo.components.r = vk::ComponentSwizzle::eIdentity;
    texImgViewCreateInfo.components.g = vk::ComponentSwizzle::eIdentity;
    texImgViewCreateInfo.components.b = vk::ComponentSwizzle::eIdentity;
    texImgViewCreateInfo.components.a = vk::ComponentSwizzle::eIdentity;
    texImgViewCreateInfo.subresourceRange.aspectMask = vk::ImageAspectFlagBits::eColor;
    texImgViewCreateInfo.subresourceRange.baseMipLevel = 0;
    texImgViewCreateInfo.subresourceRange.levelCount = 1;
    texImgViewCreateInfo.subresourceRange.baseArrayLayer = 0;
    texImgViewCreateInfo.subresourceRange.layerCount = 1;
    vk::UniqueImageView texImageView = device->createImageViewUnique(texImgViewCreateInfo);

    vk::DescriptorSetLayoutBinding descSetLayoutBinding[2];
    descSetLayoutBinding[0].binding = 0;
    descSetLayoutBinding[0].descriptorType = vk::DescriptorType::eUniformBuffer;
    descSetLayoutBinding[0].descriptorCount = 1;
    descSetLayoutBinding[0].stageFlags = vk::ShaderStageFlagBits::eVertex;
    descSetLayoutBinding[1].binding = 1;
    descSetLayoutBinding[1].descriptorType = vk::DescriptorType::eCombinedImageSampler;
    descSetLayoutBinding[1].descriptorCount = 1;
    descSetLayoutBinding[1].stageFlags = vk::ShaderStageFlagBits::eFragment;

    vk::DescriptorSetLayoutCreateInfo descSetLayoutCreateInfo{};
    descSetLayoutCreateInfo.bindingCount = std::size(descSetLayoutBinding);
    descSetLayoutCreateInfo.pBindings = descSetLayoutBinding;

    vk::UniqueDescriptorSetLayout descSetLayout = device->createDescriptorSetLayoutUnique(descSetLayoutCreateInfo);

    vk::DescriptorPoolSize descPoolSize[2];
    descPoolSize[0].type = vk::DescriptorType::eUniformBuffer;
    descPoolSize[0].descriptorCount = 1;
    descPoolSize[1].type = vk::DescriptorType::eCombinedImageSampler;
    descPoolSize[1].descriptorCount = 1;

    vk::DescriptorPoolCreateInfo descPoolCreateInfo;
    descPoolCreateInfo.poolSizeCount = std::size(descPoolSize);
    descPoolCreateInfo.pPoolSizes = descPoolSize;
    descPoolCreateInfo.maxSets = 1;

    vk::UniqueDescriptorPool descPool = device->createDescriptorPoolUnique(descPoolCreateInfo);

    vk::DescriptorSetAllocateInfo descSetAllocInfo;

    auto descSetLayouts = { descSetLayout.get() };

    descSetAllocInfo.descriptorPool = descPool.get();
    descSetAllocInfo.descriptorSetCount = descSetLayouts.size();
    descSetAllocInfo.pSetLayouts = descSetLayouts.begin();

    std::vector<vk::UniqueDescriptorSet> descSets = device->allocateDescriptorSetsUnique(descSetAllocInfo);

    vk::WriteDescriptorSet writeDescSet;
    writeDescSet.dstSet = descSets[0].get();
    writeDescSet.dstBinding = 0;
    writeDescSet.dstArrayElement = 0;
    writeDescSet.descriptorType = vk::DescriptorType::eUniformBuffer;

    vk::DescriptorBufferInfo descBufInfo[1];
    descBufInfo[0].buffer = uniformBuf.get();
    descBufInfo[0].offset = 0;
    descBufInfo[0].range = sizeof(SceneData);

    writeDescSet.descriptorCount = 1;
    writeDescSet.pBufferInfo = descBufInfo;

    device->updateDescriptorSets({ writeDescSet }, {});

    vk::WriteDescriptorSet writeTexDescSet;
    writeTexDescSet.dstSet = descSets[0].get();
    writeTexDescSet.dstBinding = 1;
    writeTexDescSet.dstArrayElement = 0;
    writeTexDescSet.descriptorType = vk::DescriptorType::eCombinedImageSampler;

    vk::DescriptorImageInfo descImgInfo[1];
    descImgInfo[0].imageView = texImageView.get();
    descImgInfo[0].imageLayout = vk::ImageLayout::eShaderReadOnlyOptimal;
    descImgInfo[0].sampler = sampler.get();

    writeTexDescSet.descriptorCount = std::size(descImgInfo);
    writeTexDescSet.pImageInfo = descImgInfo;

    device->updateDescriptorSets({ writeTexDescSet }, {});

    vk::AttachmentDescription attachments[1];
    attachments[0].format = vk::Format::eR8G8B8A8Unorm;
    attachments[0].samples = vk::SampleCountFlagBits::e1;
    attachments[0].loadOp = vk::AttachmentLoadOp::eClear;
    attachments[0].storeOp = vk::AttachmentStoreOp::eStore;
    attachments[0].stencilLoadOp = vk::AttachmentLoadOp::eDontCare;
    attachments[0].stencilStoreOp = vk::AttachmentStoreOp::eDontCare;
    attachments[0].initialLayout = vk::ImageLayout::eUndefined;
    attachments[0].finalLayout = vk::ImageLayout::ePresentSrcKHR;

    vk::AttachmentReference subpass0_attachmentRefs[1];
    subpass0_attachmentRefs[0].attachment = 0;
    subpass0_attachmentRefs[0].layout = vk::ImageLayout::eColorAttachmentOptimal;

    vk::SubpassDescription subpasses[1];
    subpasses[0].pipelineBindPoint = vk::PipelineBindPoint::eGraphics;
    subpasses[0].colorAttachmentCount = 1;
    subpasses[0].pColorAttachments = subpass0_attachmentRefs;

    vk::RenderPassCreateInfo renderpassCreateInfo;
    renderpassCreateInfo.attachmentCount = 1;
    renderpassCreateInfo.pAttachments = attachments;
    renderpassCreateInfo.subpassCount = 1;
    renderpassCreateInfo.pSubpasses = subpasses;
    renderpassCreateInfo.dependencyCount = 0;
    renderpassCreateInfo.pDependencies = nullptr;

    vk::UniqueRenderPass renderpass = device->createRenderPassUnique(renderpassCreateInfo);

    vk::Viewport viewports[1];
    viewports[0].x = 0.0;
    viewports[0].y = 0.0;
    viewports[0].minDepth = 0.0;
    viewports[0].maxDepth = 1.0;
    viewports[0].width = screenWidth;
    viewports[0].height = screenHeight;

    vk::Rect2D scissors[1];
    scissors[0].offset = vk::Offset2D{0, 0};
    scissors[0].extent = vk::Extent2D{screenWidth, screenHeight};

    vk::PipelineViewportStateCreateInfo viewportState;
    viewportState.viewportCount = 1;
    viewportState.pViewports = viewports;
    viewportState.scissorCount = 1;
    viewportState.pScissors = scissors;

    vk::VertexInputBindingDescription vertexBindingDescription[1];
    vertexBindingDescription[0].binding = 0;
    vertexBindingDescription[0].stride = sizeof(Vertex);
    vertexBindingDescription[0].inputRate = vk::VertexInputRate::eVertex;

    vk::VertexInputAttributeDescription vertexInputDescription[2];
    vertexInputDescription[0].binding = 0;
    vertexInputDescription[0].location = 0;
    vertexInputDescription[0].format = vk::Format::eR32G32B32Sfloat;
    vertexInputDescription[0].offset = offsetof(Vertex, pos);
    vertexInputDescription[1].binding = 0;
    vertexInputDescription[1].location = 1;
    vertexInputDescription[1].format = vk::Format::eR32G32Sfloat;
    vertexInputDescription[1].offset = offsetof(Vertex, texUV);

    vk::PipelineVertexInputStateCreateInfo vertexInputInfo;
    vertexInputInfo.vertexBindingDescriptionCount = 1;
    vertexInputInfo.pVertexBindingDescriptions = vertexBindingDescription;
    vertexInputInfo.vertexAttributeDescriptionCount = std::size(vertexInputDescription);
    vertexInputInfo.pVertexAttributeDescriptions = vertexInputDescription;

    vk::PipelineInputAssemblyStateCreateInfo inputAssembly;
    inputAssembly.topology = vk::PrimitiveTopology::eTriangleList;
    inputAssembly.primitiveRestartEnable = false;

    vk::PipelineRasterizationStateCreateInfo rasterizer;
    rasterizer.depthClampEnable = false;
    rasterizer.rasterizerDiscardEnable = false;
    rasterizer.polygonMode = vk::PolygonMode::eFill;
    rasterizer.lineWidth = 1.0f;
    rasterizer.cullMode = vk::CullModeFlagBits::eBack;
    rasterizer.frontFace = vk::FrontFace::eClockwise;
    rasterizer.depthBiasEnable = false;

    vk::PipelineMultisampleStateCreateInfo multisample;
    multisample.sampleShadingEnable = false;
    multisample.rasterizationSamples = vk::SampleCountFlagBits::e1;

    vk::PipelineColorBlendAttachmentState blendattachment[1];
    blendattachment[0].colorWriteMask = vk::ColorComponentFlagBits::eA | vk::ColorComponentFlagBits::eR | vk::ColorComponentFlagBits::eG | vk::ColorComponentFlagBits::eB;
    blendattachment[0].blendEnable = false;

    vk::PipelineColorBlendStateCreateInfo blend;
    blend.logicOpEnable = false;
    blend.attachmentCount = 1;
    blend.pAttachments = blendattachment;

    auto pipelineDescSetLayouts = { descSetLayout.get() };

    vk::PipelineLayoutCreateInfo layoutCreateInfo;
    layoutCreateInfo.setLayoutCount = pipelineDescSetLayouts.size();
    layoutCreateInfo.pSetLayouts = pipelineDescSetLayouts.begin();

    vk::UniquePipelineLayout pipelineLayout = device->createPipelineLayoutUnique(layoutCreateInfo);

    size_t vertSpvFileSz = std::filesystem::file_size("shader.vert.spv");

    std::ifstream vertSpvFile("shader.vert.spv", std::ios_base::binary);

    std::vector<char> vertSpvFileData(vertSpvFileSz);
    vertSpvFile.read(vertSpvFileData.data(), vertSpvFileSz);

    vk::ShaderModuleCreateInfo vertShaderCreateInfo;
    vertShaderCreateInfo.codeSize = vertSpvFileSz;
    vertShaderCreateInfo.pCode = reinterpret_cast<const uint32_t *>(vertSpvFileData.data());

    vk::UniqueShaderModule vertShader = device->createShaderModuleUnique(vertShaderCreateInfo);

    size_t fragSpvFileSz = std::filesystem::file_size("shader.frag.spv");

    std::ifstream fragSpvFile("shader.frag.spv", std::ios_base::binary);

    std::vector<char> fragSpvFileData(fragSpvFileSz);
    fragSpvFile.read(fragSpvFileData.data(), fragSpvFileSz);

    vk::ShaderModuleCreateInfo fragShaderCreateInfo;
    fragShaderCreateInfo.codeSize = fragSpvFileSz;
    fragShaderCreateInfo.pCode = reinterpret_cast<const uint32_t *>(fragSpvFileData.data());

    vk::UniqueShaderModule fragShader = device->createShaderModuleUnique(fragShaderCreateInfo);

    vk::PipelineShaderStageCreateInfo shaderStage[2];
    shaderStage[0].stage = vk::ShaderStageFlagBits::eVertex;
    shaderStage[0].module = vertShader.get();
    shaderStage[0].pName = "main";
    shaderStage[1].stage = vk::ShaderStageFlagBits::eFragment;
    shaderStage[1].module = fragShader.get();
    shaderStage[1].pName = "main";

    vk::GraphicsPipelineCreateInfo pipelineCreateInfo;
    pipelineCreateInfo.pViewportState = &viewportState;
    pipelineCreateInfo.pVertexInputState = &vertexInputInfo;
    pipelineCreateInfo.pInputAssemblyState = &inputAssembly;
    pipelineCreateInfo.pRasterizationState = &rasterizer;
    pipelineCreateInfo.pMultisampleState = &multisample;
    pipelineCreateInfo.pColorBlendState = &blend;
    pipelineCreateInfo.layout = pipelineLayout.get();
    pipelineCreateInfo.renderPass = renderpass.get();
    pipelineCreateInfo.subpass = 0;
    pipelineCreateInfo.stageCount = 2;
    pipelineCreateInfo.pStages = shaderStage;

    vk::UniquePipeline pipeline = device->createGraphicsPipelineUnique(nullptr, pipelineCreateInfo).value;

    vk::ImageViewCreateInfo imgViewCreateInfo;
    imgViewCreateInfo.image = image.get();
    imgViewCreateInfo.viewType = vk::ImageViewType::e2D;
    imgViewCreateInfo.format = vk::Format::eR8G8B8A8Unorm;
    imgViewCreateInfo.components.r = vk::ComponentSwizzle::eIdentity;
    imgViewCreateInfo.components.g = vk::ComponentSwizzle::eIdentity;
    imgViewCreateInfo.components.b = vk::ComponentSwizzle::eIdentity;
    imgViewCreateInfo.components.a = vk::ComponentSwizzle::eIdentity;
    imgViewCreateInfo.subresourceRange.aspectMask = vk::ImageAspectFlagBits::eColor;
    imgViewCreateInfo.subresourceRange.baseMipLevel = 0;
    imgViewCreateInfo.subresourceRange.levelCount = 1;
    imgViewCreateInfo.subresourceRange.baseArrayLayer = 0;
    imgViewCreateInfo.subresourceRange.layerCount = 1;

    vk::UniqueImageView imgView = device->createImageViewUnique(imgViewCreateInfo);

    vk::ImageView frameBufAttachments[1];
    frameBufAttachments[0] = imgView.get();

    vk::FramebufferCreateInfo frameBufCreateInfo;
    frameBufCreateInfo.width = screenWidth;
    frameBufCreateInfo.height = screenHeight;
    frameBufCreateInfo.layers = 1;
    frameBufCreateInfo.renderPass = renderpass.get();
    frameBufCreateInfo.attachmentCount = 1;
    frameBufCreateInfo.pAttachments = frameBufAttachments;

    vk::UniqueFramebuffer frameBuf = device->createFramebufferUnique(frameBufCreateInfo);

    vk::CommandBufferBeginInfo cmdBeginInfo;
    cmdBufs[0]->begin(cmdBeginInfo);

    vk::ClearValue clearVal[1];
    clearVal[0].color.float32[0] = 0.0f;
    clearVal[0].color.float32[1] = 0.0f;
    clearVal[0].color.float32[2] = 0.0f;
    clearVal[0].color.float32[3] = 1.0f;

    vk::RenderPassBeginInfo renderpassBeginInfo;
    renderpassBeginInfo.renderPass = renderpass.get();
    renderpassBeginInfo.framebuffer = frameBuf.get();
    renderpassBeginInfo.renderArea = vk::Rect2D({ 0,0 }, { screenWidth, screenHeight });
    renderpassBeginInfo.clearValueCount = 1;
    renderpassBeginInfo.pClearValues = clearVal;

    cmdBufs[0]->beginRenderPass(renderpassBeginInfo, vk::SubpassContents::eInline);
    cmdBufs[0]->bindPipeline(vk::PipelineBindPoint::eGraphics, pipeline.get());
    cmdBufs[0]->bindVertexBuffers(0, {vertexBuf.get()}, {0});
    cmdBufs[0]->bindIndexBuffer(indexBuf.get(), 0, vk::IndexType::eUint16);
    cmdBufs[0]->bindDescriptorSets(vk::PipelineBindPoint::eGraphics, pipelineLayout.get(), 0, { descSets[0].get() }, {});
    cmdBufs[0]->drawIndexed(indices.size(), 1, 0, 0, 0);
    cmdBufs[0]->endRenderPass();
    cmdBufs[0]->end();

    vk::CommandBuffer submitCmdBuf[1] = { cmdBufs[0].get() };
    vk::SubmitInfo submitInfo;
    submitInfo.commandBufferCount = 1;
    submitInfo.pCommandBuffers = submitCmdBuf;
    graphicsQueue.submit({ submitInfo }, nullptr);
    graphicsQueue.waitIdle();

    void* imgData = device->mapMemory(imgMem.get(), 0, imgMemReq.size);
    stbi_write_bmp("img.bmp", screenWidth, screenHeight, 4, imgData);
    device->unmapMemory(imgMem.get());

    graphicsQueue.waitIdle();
    return 0;
}

shader.frag

#version 450
#extension GL_ARB_separate_shader_objects : enable

layout(set = 0, binding = 1) uniform sampler2D texSampler;

layout(location = 0) in vec2 fragmentTexUV;
layout(location = 0) out vec4 outColor;

void main() {
    outColor = texture(texSampler, fragmentTexUV);
}

shader.vert

#version 450
#extension GL_ARB_separate_shader_objects : enable

layout(set = 0, binding = 0) uniform SceneData {
    mat4 model;
    mat4 view;
    mat4 proj;
} sceneData;

layout(location = 0) in vec3 inPos;
layout(location = 1) in vec2 inTexUV;
layout(location = 0) out vec2 fragmentTexUV;

void main() {
    gl_Position = sceneData.proj * sceneData.view * sceneData.model * vec4(inPos, 1.0);
    fragmentTexUV = inTexUV;
}