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Ch25TextureMapping.java
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Ch25TextureMapping.java
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package javavulkantutorial;
import javavulkantutorial.ShaderSPIRVUtils.SPIRV;
import org.joml.*;
import org.lwjgl.PointerBuffer;
import org.lwjgl.system.MemoryStack;
import org.lwjgl.system.Pointer;
import org.lwjgl.vulkan.*;
import java.lang.Math;
import java.net.URI;
import java.net.URISyntaxException;
import java.nio.ByteBuffer;
import java.nio.IntBuffer;
import java.nio.LongBuffer;
import java.nio.file.Paths;
import java.util.*;
import java.util.stream.IntStream;
import java.util.stream.Stream;
import static java.lang.ClassLoader.getSystemClassLoader;
import static java.util.stream.Collectors.toSet;
import static javavulkantutorial.AlignmentUtils.alignas;
import static javavulkantutorial.AlignmentUtils.alignof;
import static javavulkantutorial.ShaderSPIRVUtils.ShaderKind.FRAGMENT_SHADER;
import static javavulkantutorial.ShaderSPIRVUtils.ShaderKind.VERTEX_SHADER;
import static javavulkantutorial.ShaderSPIRVUtils.compileShaderFile;
import static org.lwjgl.glfw.GLFW.*;
import static org.lwjgl.glfw.GLFWVulkan.glfwCreateWindowSurface;
import static org.lwjgl.glfw.GLFWVulkan.glfwGetRequiredInstanceExtensions;
import static org.lwjgl.stb.STBImage.*;
import static org.lwjgl.system.Configuration.DEBUG;
import static org.lwjgl.system.MemoryStack.stackGet;
import static org.lwjgl.system.MemoryStack.stackPush;
import static org.lwjgl.system.MemoryUtil.NULL;
import static org.lwjgl.vulkan.EXTDebugUtils.*;
import static org.lwjgl.vulkan.KHRSurface.*;
import static org.lwjgl.vulkan.KHRSwapchain.*;
import static org.lwjgl.vulkan.VK10.*;
public class Ch25TextureMapping {
private static class HelloTriangleApplication {
private static final int UINT32_MAX = 0xFFFFFFFF;
private static final long UINT64_MAX = 0xFFFFFFFFFFFFFFFFL;
private static final int WIDTH = 800;
private static final int HEIGHT = 600;
private static final int MAX_FRAMES_IN_FLIGHT = 2;
private static final boolean ENABLE_VALIDATION_LAYERS = DEBUG.get(true);
private static final Set<String> VALIDATION_LAYERS;
static {
if(ENABLE_VALIDATION_LAYERS) {
VALIDATION_LAYERS = new HashSet<>();
VALIDATION_LAYERS.add("VK_LAYER_KHRONOS_validation");
} else {
// We are not going to use it, so we don't create it
VALIDATION_LAYERS = null;
}
}
private static final Set<String> DEVICE_EXTENSIONS = Stream.of(VK_KHR_SWAPCHAIN_EXTENSION_NAME)
.collect(toSet());
private static int debugCallback(int messageSeverity, int messageType, long pCallbackData, long pUserData) {
VkDebugUtilsMessengerCallbackDataEXT callbackData = VkDebugUtilsMessengerCallbackDataEXT.create(pCallbackData);
System.err.println("Validation layer: " + callbackData.pMessageString());
return VK_FALSE;
}
private static int createDebugUtilsMessengerEXT(VkInstance instance, VkDebugUtilsMessengerCreateInfoEXT createInfo,
VkAllocationCallbacks allocationCallbacks, LongBuffer pDebugMessenger) {
if(vkGetInstanceProcAddr(instance, "vkCreateDebugUtilsMessengerEXT") != NULL) {
return vkCreateDebugUtilsMessengerEXT(instance, createInfo, allocationCallbacks, pDebugMessenger);
}
return VK_ERROR_EXTENSION_NOT_PRESENT;
}
private static void destroyDebugUtilsMessengerEXT(VkInstance instance, long debugMessenger, VkAllocationCallbacks allocationCallbacks) {
if(vkGetInstanceProcAddr(instance, "vkDestroyDebugUtilsMessengerEXT") != NULL) {
vkDestroyDebugUtilsMessengerEXT(instance, debugMessenger, allocationCallbacks);
}
}
private class QueueFamilyIndices {
// We use Integer to use null as the empty value
private Integer graphicsFamily;
private Integer presentFamily;
private boolean isComplete() {
return graphicsFamily != null && presentFamily != null;
}
public int[] unique() {
return IntStream.of(graphicsFamily, presentFamily).distinct().toArray();
}
public int[] array() {
return new int[] {graphicsFamily, presentFamily};
}
}
private class SwapChainSupportDetails {
private VkSurfaceCapabilitiesKHR capabilities;
private VkSurfaceFormatKHR.Buffer formats;
private IntBuffer presentModes;
}
private static class UniformBufferObject {
private static final int SIZEOF = 3 * 16 * Float.BYTES;
private Matrix4f model;
private Matrix4f view;
private Matrix4f proj;
public UniformBufferObject() {
model = new Matrix4f();
view = new Matrix4f();
proj = new Matrix4f();
}
}
private static class Vertex {
private static final int SIZEOF = (2 + 3 + 2) * Float.BYTES;
private static final int OFFSETOF_POS = 0;
private static final int OFFSETOF_COLOR = 2 * Float.BYTES;
private static final int OFFSETOF_TEXTCOORDS = 5 * Float.BYTES;
private Vector2fc pos;
private Vector3fc color;
private Vector2fc texCoords;
public Vertex(Vector2fc pos, Vector3fc color, Vector2fc texCoords) {
this.pos = pos;
this.color = color;
this.texCoords = texCoords;
}
private static VkVertexInputBindingDescription.Buffer getBindingDescription(MemoryStack stack) {
VkVertexInputBindingDescription.Buffer bindingDescription =
VkVertexInputBindingDescription.calloc(1, stack);
bindingDescription.binding(0);
bindingDescription.stride(Vertex.SIZEOF);
bindingDescription.inputRate(VK_VERTEX_INPUT_RATE_VERTEX);
return bindingDescription;
}
private static VkVertexInputAttributeDescription.Buffer getAttributeDescriptions(MemoryStack stack) {
VkVertexInputAttributeDescription.Buffer attributeDescriptions =
VkVertexInputAttributeDescription.calloc(3, stack);
// Position
VkVertexInputAttributeDescription posDescription = attributeDescriptions.get(0);
posDescription.binding(0);
posDescription.location(0);
posDescription.format(VK_FORMAT_R32G32_SFLOAT);
posDescription.offset(OFFSETOF_POS);
// Color
VkVertexInputAttributeDescription colorDescription = attributeDescriptions.get(1);
colorDescription.binding(0);
colorDescription.location(1);
colorDescription.format(VK_FORMAT_R32G32B32_SFLOAT);
colorDescription.offset(OFFSETOF_COLOR);
// Texture coordinates
VkVertexInputAttributeDescription texCoordsDescription = attributeDescriptions.get(2);
texCoordsDescription.binding(0);
texCoordsDescription.location(2);
texCoordsDescription.format(VK_FORMAT_R32G32_SFLOAT);
texCoordsDescription.offset(OFFSETOF_TEXTCOORDS);
return attributeDescriptions.rewind();
}
}
private static final Vertex[] VERTICES = {
new Vertex(new Vector2f(-0.5f, -0.5f), new Vector3f(1.0f, 0.0f, 0.0f), new Vector2f(1.0f, 0.0f)),
new Vertex(new Vector2f(0.5f, -0.5f), new Vector3f(0.0f, 1.0f, 0.0f), new Vector2f(0.0f, 0.0f)),
new Vertex(new Vector2f(0.5f, 0.5f), new Vector3f(0.0f, 0.0f, 1.0f), new Vector2f(0.0f, 1.0f)),
new Vertex(new Vector2f(-0.5f, 0.5f), new Vector3f(1.0f, 1.0f, 1.0f), new Vector2f(1.0f, 1.0f))
};
private static final /*uint16_t*/ short[] INDICES = {
0, 1, 2, 2, 3, 0
};
// ======= FIELDS ======= //
private long window;
private VkInstance instance;
private long debugMessenger;
private long surface;
private VkPhysicalDevice physicalDevice;
private VkDevice device;
private VkQueue graphicsQueue;
private VkQueue presentQueue;
private long swapChain;
private List<Long> swapChainImages;
private int swapChainImageFormat;
private VkExtent2D swapChainExtent;
private List<Long> swapChainImageViews;
private List<Long> swapChainFramebuffers;
private long renderPass;
private long descriptorPool;
private long descriptorSetLayout;
private List<Long> descriptorSets;
private long pipelineLayout;
private long graphicsPipeline;
private long commandPool;
private long textureImage;
private long textureImageMemory;
private long textureImageView;
private long textureSampler;
private long vertexBuffer;
private long vertexBufferMemory;
private long indexBuffer;
private long indexBufferMemory;
private List<Long> uniformBuffers;
private List<Long> uniformBuffersMemory;
private List<VkCommandBuffer> commandBuffers;
private List<Frame> inFlightFrames;
private Map<Integer, Frame> imagesInFlight;
private int currentFrame;
boolean framebufferResize;
// ======= METHODS ======= //
public void run() {
initWindow();
initVulkan();
mainLoop();
cleanup();
}
private void initWindow() {
if(!glfwInit()) {
throw new RuntimeException("Cannot initialize GLFW");
}
glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
String title = getClass().getEnclosingClass().getSimpleName();
window = glfwCreateWindow(WIDTH, HEIGHT, title, NULL, NULL);
if(window == NULL) {
throw new RuntimeException("Cannot create window");
}
// In Java, we don't really need a user pointer here, because
// we can simply pass an instance method reference to glfwSetFramebufferSizeCallback
// However, I will show you how can you pass a user pointer to glfw in Java just for learning purposes:
// long userPointer = JNINativeInterface.NewGlobalRef(this);
// glfwSetWindowUserPointer(window, userPointer);
// Please notice that the reference must be freed manually with JNINativeInterface.nDeleteGlobalRef
glfwSetFramebufferSizeCallback(window, this::framebufferResizeCallback);
}
private void framebufferResizeCallback(long window, int width, int height) {
// HelloTriangleApplication app = MemoryUtil.memGlobalRefToObject(glfwGetWindowUserPointer(window));
// app.framebufferResize = true;
framebufferResize = true;
}
private void initVulkan() {
createInstance();
setupDebugMessenger();
createSurface();
pickPhysicalDevice();
createLogicalDevice();
createCommandPool();
createTextureImage();
createTextureImageView();
createTextureSampler();
createVertexBuffer();
createIndexBuffer();
createDescriptorSetLayout();
createSwapChainObjects();
createSyncObjects();
}
private void mainLoop() {
while(!glfwWindowShouldClose(window)) {
glfwPollEvents();
drawFrame();
}
// Wait for the device to complete all operations before release resources
vkDeviceWaitIdle(device);
}
private void cleanupSwapChain() {
uniformBuffers.forEach(ubo -> vkDestroyBuffer(device, ubo, null));
uniformBuffersMemory.forEach(uboMemory -> vkFreeMemory(device, uboMemory, null));
vkDestroyDescriptorPool(device, descriptorPool, null);
swapChainFramebuffers.forEach(framebuffer -> vkDestroyFramebuffer(device, framebuffer, null));
try(MemoryStack stack = stackPush()) {vkFreeCommandBuffers(device, commandPool, asPointerBuffer(stack, commandBuffers));}
vkDestroyPipeline(device, graphicsPipeline, null);
vkDestroyPipelineLayout(device, pipelineLayout, null);
vkDestroyRenderPass(device, renderPass, null);
swapChainImageViews.forEach(imageView -> vkDestroyImageView(device, imageView, null));
vkDestroySwapchainKHR(device, swapChain, null);
}
private void cleanup() {
cleanupSwapChain();
vkDestroySampler(device, textureSampler, null);
vkDestroyImageView(device, textureImageView, null);
vkDestroyImage(device, textureImage, null);
vkFreeMemory(device, textureImageMemory, null);
vkDestroyDescriptorSetLayout(device, descriptorSetLayout, null);
vkDestroyBuffer(device, indexBuffer, null);
vkFreeMemory(device, indexBufferMemory, null);
vkDestroyBuffer(device, vertexBuffer, null);
vkFreeMemory(device, vertexBufferMemory, null);
inFlightFrames.forEach(frame -> {
vkDestroySemaphore(device, frame.renderFinishedSemaphore(), null);
vkDestroySemaphore(device, frame.imageAvailableSemaphore(), null);
vkDestroyFence(device, frame.fence(), null);
});
inFlightFrames.clear();
vkDestroyCommandPool(device, commandPool, null);
vkDestroyDevice(device, null);
if(ENABLE_VALIDATION_LAYERS) {
destroyDebugUtilsMessengerEXT(instance, debugMessenger, null);
}
vkDestroySurfaceKHR(instance, surface, null);
vkDestroyInstance(instance, null);
glfwDestroyWindow(window);
glfwTerminate();
}
private void recreateSwapChain() {
try(MemoryStack stack = stackPush()) {
IntBuffer width = stack.ints(0);
IntBuffer height = stack.ints(0);
while(width.get(0) == 0 && height.get(0) == 0) {
glfwGetFramebufferSize(window, width, height);
glfwWaitEvents();
}
}
vkDeviceWaitIdle(device);
cleanupSwapChain();
createSwapChainObjects();
}
private void createSwapChainObjects() {
createSwapChain();
createImageViews();
createRenderPass();
createGraphicsPipeline();
createFramebuffers();
createUniformBuffers();
createDescriptorPool();
createDescriptorSets();
createCommandBuffers();
}
private void createInstance() {
if(ENABLE_VALIDATION_LAYERS && !checkValidationLayerSupport()) {
throw new RuntimeException("Validation requested but not supported");
}
try(MemoryStack stack = stackPush()) {
// Use calloc to initialize the structs with 0s. Otherwise, the program can crash due to random values
VkApplicationInfo appInfo = VkApplicationInfo.calloc(stack);
appInfo.sType(VK_STRUCTURE_TYPE_APPLICATION_INFO);
appInfo.pApplicationName(stack.UTF8Safe("Hello Triangle"));
appInfo.applicationVersion(VK_MAKE_VERSION(1, 0, 0));
appInfo.pEngineName(stack.UTF8Safe("No Engine"));
appInfo.engineVersion(VK_MAKE_VERSION(1, 0, 0));
appInfo.apiVersion(VK_API_VERSION_1_0);
VkInstanceCreateInfo createInfo = VkInstanceCreateInfo.calloc(stack);
createInfo.sType(VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO);
createInfo.pApplicationInfo(appInfo);
// enabledExtensionCount is implicitly set when you call ppEnabledExtensionNames
createInfo.ppEnabledExtensionNames(getRequiredExtensions(stack));
if(ENABLE_VALIDATION_LAYERS) {
createInfo.ppEnabledLayerNames(asPointerBuffer(stack, VALIDATION_LAYERS));
VkDebugUtilsMessengerCreateInfoEXT debugCreateInfo = VkDebugUtilsMessengerCreateInfoEXT.calloc(stack);
populateDebugMessengerCreateInfo(debugCreateInfo);
createInfo.pNext(debugCreateInfo.address());
}
// We need to retrieve the pointer of the created instance
PointerBuffer instancePtr = stack.mallocPointer(1);
if(vkCreateInstance(createInfo, null, instancePtr) != VK_SUCCESS) {
throw new RuntimeException("Failed to create instance");
}
instance = new VkInstance(instancePtr.get(0), createInfo);
}
}
private void populateDebugMessengerCreateInfo(VkDebugUtilsMessengerCreateInfoEXT debugCreateInfo) {
debugCreateInfo.sType(VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT);
debugCreateInfo.messageSeverity(VK_DEBUG_UTILS_MESSAGE_SEVERITY_VERBOSE_BIT_EXT | VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT | VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT);
debugCreateInfo.messageType(VK_DEBUG_UTILS_MESSAGE_TYPE_GENERAL_BIT_EXT | VK_DEBUG_UTILS_MESSAGE_TYPE_VALIDATION_BIT_EXT | VK_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT);
debugCreateInfo.pfnUserCallback(HelloTriangleApplication::debugCallback);
}
private void setupDebugMessenger() {
if(!ENABLE_VALIDATION_LAYERS) {
return;
}
try(MemoryStack stack = stackPush()) {
VkDebugUtilsMessengerCreateInfoEXT createInfo = VkDebugUtilsMessengerCreateInfoEXT.calloc(stack);
populateDebugMessengerCreateInfo(createInfo);
LongBuffer pDebugMessenger = stack.longs(VK_NULL_HANDLE);
if(createDebugUtilsMessengerEXT(instance, createInfo, null, pDebugMessenger) != VK_SUCCESS) {
throw new RuntimeException("Failed to set up debug messenger");
}
debugMessenger = pDebugMessenger.get(0);
}
}
private void createSurface() {
try(MemoryStack stack = stackPush()) {
LongBuffer pSurface = stack.longs(VK_NULL_HANDLE);
if(glfwCreateWindowSurface(instance, window, null, pSurface) != VK_SUCCESS) {
throw new RuntimeException("Failed to create window surface");
}
surface = pSurface.get(0);
}
}
private void pickPhysicalDevice() {
try(MemoryStack stack = stackPush()) {
IntBuffer deviceCount = stack.ints(0);
vkEnumeratePhysicalDevices(instance, deviceCount, null);
if(deviceCount.get(0) == 0) {
throw new RuntimeException("Failed to find GPUs with Vulkan support");
}
PointerBuffer ppPhysicalDevices = stack.mallocPointer(deviceCount.get(0));
vkEnumeratePhysicalDevices(instance, deviceCount, ppPhysicalDevices);
for(int i = 0;i < ppPhysicalDevices.capacity();i++) {
VkPhysicalDevice device = new VkPhysicalDevice(ppPhysicalDevices.get(i), instance);
if(isDeviceSuitable(device)) {
physicalDevice = device;
return;
}
}
throw new RuntimeException("Failed to find a suitable GPU");
}
}
private void createLogicalDevice() {
try(MemoryStack stack = stackPush()) {
QueueFamilyIndices indices = findQueueFamilies(physicalDevice);
int[] uniqueQueueFamilies = indices.unique();
VkDeviceQueueCreateInfo.Buffer queueCreateInfos = VkDeviceQueueCreateInfo.calloc(uniqueQueueFamilies.length, stack);
for(int i = 0;i < uniqueQueueFamilies.length;i++) {
VkDeviceQueueCreateInfo queueCreateInfo = queueCreateInfos.get(i);
queueCreateInfo.sType(VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO);
queueCreateInfo.queueFamilyIndex(uniqueQueueFamilies[i]);
queueCreateInfo.pQueuePriorities(stack.floats(1.0f));
}
VkPhysicalDeviceFeatures deviceFeatures = VkPhysicalDeviceFeatures.calloc(stack);
deviceFeatures.samplerAnisotropy(true);
VkDeviceCreateInfo createInfo = VkDeviceCreateInfo.calloc(stack);
createInfo.sType(VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO);
createInfo.pQueueCreateInfos(queueCreateInfos);
// queueCreateInfoCount is automatically set
createInfo.pEnabledFeatures(deviceFeatures);
createInfo.ppEnabledExtensionNames(asPointerBuffer(stack, DEVICE_EXTENSIONS));
if(ENABLE_VALIDATION_LAYERS) {
createInfo.ppEnabledLayerNames(asPointerBuffer(stack, VALIDATION_LAYERS));
}
PointerBuffer pDevice = stack.pointers(VK_NULL_HANDLE);
if(vkCreateDevice(physicalDevice, createInfo, null, pDevice) != VK_SUCCESS) {
throw new RuntimeException("Failed to create logical device");
}
device = new VkDevice(pDevice.get(0), physicalDevice, createInfo);
PointerBuffer pQueue = stack.pointers(VK_NULL_HANDLE);
vkGetDeviceQueue(device, indices.graphicsFamily, 0, pQueue);
graphicsQueue = new VkQueue(pQueue.get(0), device);
vkGetDeviceQueue(device, indices.presentFamily, 0, pQueue);
presentQueue = new VkQueue(pQueue.get(0), device);
}
}
private void createSwapChain() {
try(MemoryStack stack = stackPush()) {
SwapChainSupportDetails swapChainSupport = querySwapChainSupport(physicalDevice, stack);
VkSurfaceFormatKHR surfaceFormat = chooseSwapSurfaceFormat(swapChainSupport.formats);
int presentMode = chooseSwapPresentMode(swapChainSupport.presentModes);
VkExtent2D extent = chooseSwapExtent(stack, swapChainSupport.capabilities);
IntBuffer imageCount = stack.ints(swapChainSupport.capabilities.minImageCount() + 1);
if(swapChainSupport.capabilities.maxImageCount() > 0 && imageCount.get(0) > swapChainSupport.capabilities.maxImageCount()) {
imageCount.put(0, swapChainSupport.capabilities.maxImageCount());
}
VkSwapchainCreateInfoKHR createInfo = VkSwapchainCreateInfoKHR.calloc(stack);
createInfo.sType(VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR);
createInfo.surface(surface);
// Image settings
createInfo.minImageCount(imageCount.get(0));
createInfo.imageFormat(surfaceFormat.format());
createInfo.imageColorSpace(surfaceFormat.colorSpace());
createInfo.imageExtent(extent);
createInfo.imageArrayLayers(1);
createInfo.imageUsage(VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT);
QueueFamilyIndices indices = findQueueFamilies(physicalDevice);
if(!indices.graphicsFamily.equals(indices.presentFamily)) {
createInfo.imageSharingMode(VK_SHARING_MODE_CONCURRENT);
createInfo.pQueueFamilyIndices(stack.ints(indices.graphicsFamily, indices.presentFamily));
} else {
createInfo.imageSharingMode(VK_SHARING_MODE_EXCLUSIVE);
}
createInfo.preTransform(swapChainSupport.capabilities.currentTransform());
createInfo.compositeAlpha(VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR);
createInfo.presentMode(presentMode);
createInfo.clipped(true);
createInfo.oldSwapchain(VK_NULL_HANDLE);
LongBuffer pSwapChain = stack.longs(VK_NULL_HANDLE);
if(vkCreateSwapchainKHR(device, createInfo, null, pSwapChain) != VK_SUCCESS) {
throw new RuntimeException("Failed to create swap chain");
}
swapChain = pSwapChain.get(0);
vkGetSwapchainImagesKHR(device, swapChain, imageCount, null);
LongBuffer pSwapchainImages = stack.mallocLong(imageCount.get(0));
vkGetSwapchainImagesKHR(device, swapChain, imageCount, pSwapchainImages);
swapChainImages = new ArrayList<>(imageCount.get(0));
for(int i = 0;i < pSwapchainImages.capacity();i++) {
swapChainImages.add(pSwapchainImages.get(i));
}
swapChainImageFormat = surfaceFormat.format();
swapChainExtent = VkExtent2D.create().set(extent);
}
}
private void createImageViews() {
swapChainImageViews = new ArrayList<>(swapChainImages.size());
for(long swapChainImage : swapChainImages) {
swapChainImageViews.add(createImageView(swapChainImage, swapChainImageFormat));
}
}
private void createRenderPass() {
try(MemoryStack stack = stackPush()) {
VkAttachmentDescription.Buffer colorAttachment = VkAttachmentDescription.calloc(1, stack);
colorAttachment.format(swapChainImageFormat);
colorAttachment.samples(VK_SAMPLE_COUNT_1_BIT);
colorAttachment.loadOp(VK_ATTACHMENT_LOAD_OP_CLEAR);
colorAttachment.storeOp(VK_ATTACHMENT_STORE_OP_STORE);
colorAttachment.stencilLoadOp(VK_ATTACHMENT_LOAD_OP_DONT_CARE);
colorAttachment.stencilStoreOp(VK_ATTACHMENT_STORE_OP_DONT_CARE);
colorAttachment.initialLayout(VK_IMAGE_LAYOUT_UNDEFINED);
colorAttachment.finalLayout(VK_IMAGE_LAYOUT_PRESENT_SRC_KHR);
VkAttachmentReference.Buffer colorAttachmentRef = VkAttachmentReference.calloc(1, stack);
colorAttachmentRef.attachment(0);
colorAttachmentRef.layout(VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL);
VkSubpassDescription.Buffer subpass = VkSubpassDescription.calloc(1, stack);
subpass.pipelineBindPoint(VK_PIPELINE_BIND_POINT_GRAPHICS);
subpass.colorAttachmentCount(1);
subpass.pColorAttachments(colorAttachmentRef);
VkSubpassDependency.Buffer dependency = VkSubpassDependency.calloc(1, stack);
dependency.srcSubpass(VK_SUBPASS_EXTERNAL);
dependency.dstSubpass(0);
dependency.srcStageMask(VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT);
dependency.srcAccessMask(0);
dependency.dstStageMask(VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT);
dependency.dstAccessMask(VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT);
VkRenderPassCreateInfo renderPassInfo = VkRenderPassCreateInfo.calloc(stack);
renderPassInfo.sType(VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO);
renderPassInfo.pAttachments(colorAttachment);
renderPassInfo.pSubpasses(subpass);
renderPassInfo.pDependencies(dependency);
LongBuffer pRenderPass = stack.mallocLong(1);
if(vkCreateRenderPass(device, renderPassInfo, null, pRenderPass) != VK_SUCCESS) {
throw new RuntimeException("Failed to create render pass");
}
renderPass = pRenderPass.get(0);
}
}
private void createDescriptorSetLayout() {
try(MemoryStack stack = stackPush()) {
VkDescriptorSetLayoutBinding.Buffer bindings = VkDescriptorSetLayoutBinding.calloc(2, stack);
VkDescriptorSetLayoutBinding uboLayoutBinding = bindings.get(0);
uboLayoutBinding.binding(0);
uboLayoutBinding.descriptorCount(1);
uboLayoutBinding.descriptorType(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER);
uboLayoutBinding.pImmutableSamplers(null);
uboLayoutBinding.stageFlags(VK_SHADER_STAGE_VERTEX_BIT);
VkDescriptorSetLayoutBinding samplerLayoutBinding = bindings.get(1);
samplerLayoutBinding.binding(1);
samplerLayoutBinding.descriptorCount(1);
samplerLayoutBinding.descriptorType(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER);
samplerLayoutBinding.pImmutableSamplers(null);
samplerLayoutBinding.stageFlags(VK_SHADER_STAGE_FRAGMENT_BIT);
VkDescriptorSetLayoutCreateInfo layoutInfo = VkDescriptorSetLayoutCreateInfo.calloc(stack);
layoutInfo.sType(VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO);
layoutInfo.pBindings(bindings);
LongBuffer pDescriptorSetLayout = stack.mallocLong(1);
if(vkCreateDescriptorSetLayout(device, layoutInfo, null, pDescriptorSetLayout) != VK_SUCCESS) {
throw new RuntimeException("Failed to create descriptor set layout");
}
descriptorSetLayout = pDescriptorSetLayout.get(0);
}
}
private void createGraphicsPipeline() {
try(MemoryStack stack = stackPush()) {
// Let's compile the GLSL shaders into SPIR-V at runtime using the shaderc library
// Check ShaderSPIRVUtils class to see how it can be done
SPIRV vertShaderSPIRV = compileShaderFile("shaders/25_shader_textures.vert", VERTEX_SHADER);
SPIRV fragShaderSPIRV = compileShaderFile("shaders/25_shader_textures.frag", FRAGMENT_SHADER);
long vertShaderModule = createShaderModule(vertShaderSPIRV.bytecode());
long fragShaderModule = createShaderModule(fragShaderSPIRV.bytecode());
ByteBuffer entryPoint = stack.UTF8("main");
VkPipelineShaderStageCreateInfo.Buffer shaderStages = VkPipelineShaderStageCreateInfo.calloc(2, stack);
VkPipelineShaderStageCreateInfo vertShaderStageInfo = shaderStages.get(0);
vertShaderStageInfo.sType(VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO);
vertShaderStageInfo.stage(VK_SHADER_STAGE_VERTEX_BIT);
vertShaderStageInfo.module(vertShaderModule);
vertShaderStageInfo.pName(entryPoint);
VkPipelineShaderStageCreateInfo fragShaderStageInfo = shaderStages.get(1);
fragShaderStageInfo.sType(VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO);
fragShaderStageInfo.stage(VK_SHADER_STAGE_FRAGMENT_BIT);
fragShaderStageInfo.module(fragShaderModule);
fragShaderStageInfo.pName(entryPoint);
// ===> VERTEX STAGE <===
VkPipelineVertexInputStateCreateInfo vertexInputInfo = VkPipelineVertexInputStateCreateInfo.calloc(stack);
vertexInputInfo.sType(VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO);
vertexInputInfo.pVertexBindingDescriptions(Vertex.getBindingDescription(stack));
vertexInputInfo.pVertexAttributeDescriptions(Vertex.getAttributeDescriptions(stack));
// ===> ASSEMBLY STAGE <===
VkPipelineInputAssemblyStateCreateInfo inputAssembly = VkPipelineInputAssemblyStateCreateInfo.calloc(stack);
inputAssembly.sType(VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO);
inputAssembly.topology(VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST);
inputAssembly.primitiveRestartEnable(false);
// ===> VIEWPORT & SCISSOR
VkViewport.Buffer viewport = VkViewport.calloc(1, stack);
viewport.x(0.0f);
viewport.y(0.0f);
viewport.width(swapChainExtent.width());
viewport.height(swapChainExtent.height());
viewport.minDepth(0.0f);
viewport.maxDepth(1.0f);
VkRect2D.Buffer scissor = VkRect2D.calloc(1, stack);
scissor.offset(VkOffset2D.calloc(stack).set(0, 0));
scissor.extent(swapChainExtent);
VkPipelineViewportStateCreateInfo viewportState = VkPipelineViewportStateCreateInfo.calloc(stack);
viewportState.sType(VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO);
viewportState.pViewports(viewport);
viewportState.pScissors(scissor);
// ===> RASTERIZATION STAGE <===
VkPipelineRasterizationStateCreateInfo rasterizer = VkPipelineRasterizationStateCreateInfo.calloc(stack);
rasterizer.sType(VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO);
rasterizer.depthClampEnable(false);
rasterizer.rasterizerDiscardEnable(false);
rasterizer.polygonMode(VK_POLYGON_MODE_FILL);
rasterizer.lineWidth(1.0f);
rasterizer.cullMode(VK_CULL_MODE_BACK_BIT);
rasterizer.frontFace(VK_FRONT_FACE_COUNTER_CLOCKWISE);
rasterizer.depthBiasEnable(false);
// ===> MULTISAMPLING <===
VkPipelineMultisampleStateCreateInfo multisampling = VkPipelineMultisampleStateCreateInfo.calloc(stack);
multisampling.sType(VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO);
multisampling.sampleShadingEnable(false);
multisampling.rasterizationSamples(VK_SAMPLE_COUNT_1_BIT);
// ===> COLOR BLENDING <===
VkPipelineColorBlendAttachmentState.Buffer colorBlendAttachment = VkPipelineColorBlendAttachmentState.calloc(1, stack);
colorBlendAttachment.colorWriteMask(VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT);
colorBlendAttachment.blendEnable(false);
VkPipelineColorBlendStateCreateInfo colorBlending = VkPipelineColorBlendStateCreateInfo.calloc(stack);
colorBlending.sType(VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO);
colorBlending.logicOpEnable(false);
colorBlending.logicOp(VK_LOGIC_OP_COPY);
colorBlending.pAttachments(colorBlendAttachment);
colorBlending.blendConstants(stack.floats(0.0f, 0.0f, 0.0f, 0.0f));
// ===> PIPELINE LAYOUT CREATION <===
VkPipelineLayoutCreateInfo pipelineLayoutInfo = VkPipelineLayoutCreateInfo.calloc(stack);
pipelineLayoutInfo.sType(VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO);
pipelineLayoutInfo.pSetLayouts(stack.longs(descriptorSetLayout));
LongBuffer pPipelineLayout = stack.longs(VK_NULL_HANDLE);
if(vkCreatePipelineLayout(device, pipelineLayoutInfo, null, pPipelineLayout) != VK_SUCCESS) {
throw new RuntimeException("Failed to create pipeline layout");
}
pipelineLayout = pPipelineLayout.get(0);
VkGraphicsPipelineCreateInfo.Buffer pipelineInfo = VkGraphicsPipelineCreateInfo.calloc(1, stack);
pipelineInfo.sType(VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO);
pipelineInfo.pStages(shaderStages);
pipelineInfo.pVertexInputState(vertexInputInfo);
pipelineInfo.pInputAssemblyState(inputAssembly);
pipelineInfo.pViewportState(viewportState);
pipelineInfo.pRasterizationState(rasterizer);
pipelineInfo.pMultisampleState(multisampling);
pipelineInfo.pColorBlendState(colorBlending);
pipelineInfo.layout(pipelineLayout);
pipelineInfo.renderPass(renderPass);
pipelineInfo.subpass(0);
pipelineInfo.basePipelineHandle(VK_NULL_HANDLE);
pipelineInfo.basePipelineIndex(-1);
LongBuffer pGraphicsPipeline = stack.mallocLong(1);
if(vkCreateGraphicsPipelines(device, VK_NULL_HANDLE, pipelineInfo, null, pGraphicsPipeline) != VK_SUCCESS) {
throw new RuntimeException("Failed to create graphics pipeline");
}
graphicsPipeline = pGraphicsPipeline.get(0);
// ===> RELEASE RESOURCES <===
vkDestroyShaderModule(device, vertShaderModule, null);
vkDestroyShaderModule(device, fragShaderModule, null);
vertShaderSPIRV.free();
fragShaderSPIRV.free();
}
}
private void createFramebuffers() {
swapChainFramebuffers = new ArrayList<>(swapChainImageViews.size());
try(MemoryStack stack = stackPush()) {
LongBuffer attachments = stack.mallocLong(1);
LongBuffer pFramebuffer = stack.mallocLong(1);
// Lets allocate the create info struct once and just update the pAttachments field each iteration
VkFramebufferCreateInfo framebufferInfo = VkFramebufferCreateInfo.calloc(stack);
framebufferInfo.sType(VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO);
framebufferInfo.renderPass(renderPass);
framebufferInfo.width(swapChainExtent.width());
framebufferInfo.height(swapChainExtent.height());
framebufferInfo.layers(1);
for(long imageView : swapChainImageViews) {
attachments.put(0, imageView);
framebufferInfo.pAttachments(attachments);
if(vkCreateFramebuffer(device, framebufferInfo, null, pFramebuffer) != VK_SUCCESS) {
throw new RuntimeException("Failed to create framebuffer");
}
swapChainFramebuffers.add(pFramebuffer.get(0));
}
}
}
private void createCommandPool() {
try(MemoryStack stack = stackPush()) {
QueueFamilyIndices queueFamilyIndices = findQueueFamilies(physicalDevice);
VkCommandPoolCreateInfo poolInfo = VkCommandPoolCreateInfo.calloc(stack);
poolInfo.sType(VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO);
poolInfo.queueFamilyIndex(queueFamilyIndices.graphicsFamily);
LongBuffer pCommandPool = stack.mallocLong(1);
if (vkCreateCommandPool(device, poolInfo, null, pCommandPool) != VK_SUCCESS) {
throw new RuntimeException("Failed to create command pool");
}
commandPool = pCommandPool.get(0);
}
}
private void createTextureImage() {
try(MemoryStack stack = stackPush()) {
String filename = Paths.get(new URI(getSystemClassLoader().getResource("textures/texture.jpg").toExternalForm())).toString();
IntBuffer pWidth = stack.mallocInt(1);
IntBuffer pHeight = stack.mallocInt(1);
IntBuffer pChannels = stack.mallocInt(1);
ByteBuffer pixels = stbi_load(filename, pWidth, pHeight, pChannels, STBI_rgb_alpha);
long imageSize = pWidth.get(0) * pHeight.get(0) * 4; // pChannels.get(0);
if(pixels == null) {
throw new RuntimeException("Failed to load texture image " + filename);
}
LongBuffer pStagingBuffer = stack.mallocLong(1);
LongBuffer pStagingBufferMemory = stack.mallocLong(1);
createBuffer(imageSize,
VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
pStagingBuffer,
pStagingBufferMemory);
PointerBuffer data = stack.mallocPointer(1);
vkMapMemory(device, pStagingBufferMemory.get(0), 0, imageSize, 0, data);
{
memcpy(data.getByteBuffer(0, (int)imageSize), pixels, imageSize);
}
vkUnmapMemory(device, pStagingBufferMemory.get(0));
stbi_image_free(pixels);
LongBuffer pTextureImage = stack.mallocLong(1);
LongBuffer pTextureImageMemory = stack.mallocLong(1);
createImage(pWidth.get(0), pHeight.get(0),
VK_FORMAT_R8G8B8A8_SRGB, VK_IMAGE_TILING_OPTIMAL,
VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,
pTextureImage,
pTextureImageMemory);
textureImage = pTextureImage.get(0);
textureImageMemory = pTextureImageMemory.get(0);
transitionImageLayout(textureImage,
VK_FORMAT_R8G8B8A8_SRGB,
VK_IMAGE_LAYOUT_UNDEFINED,