minecraftvulkan/engine/xe_swap_chain.cpp

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#include "xe_swap_chain.hpp"
namespace xe {
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bool XeSwapChain::initialSwapChainCreated = false;
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XeSwapChain::XeSwapChain(XeDevice &deviceRef, VkExtent2D extent)
: device{deviceRef}, windowExtent{extent} {
init();
}
XeSwapChain::XeSwapChain(XeDevice &deviceRef, VkExtent2D extent, std::shared_ptr<XeSwapChain> previous)
: device{deviceRef}, windowExtent{extent}, oldSwapChain{previous} {
init();
oldSwapChain = nullptr;
}
void XeSwapChain::init() {
createSwapChain();
createImageViews();
createRenderPass();
createDepthResources();
createFramebuffers();
createSyncObjects();
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initialSwapChainCreated = true;
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}
XeSwapChain::~XeSwapChain() {
for (auto imageView : swapChainImageViews) {
vkDestroyImageView(device.device(), imageView, nullptr);
}
swapChainImageViews.clear();
if (swapChain != nullptr) {
vkDestroySwapchainKHR(device.device(), swapChain, nullptr);
swapChain = nullptr;
}
for (int i = 0; i < depthImages.size(); i++) {
vkDestroyImageView(device.device(), depthImageViews[i], nullptr);
vkDestroyImage(device.device(), depthImages[i], nullptr);
vkFreeMemory(device.device(), depthImageMemorys[i], nullptr);
}
for (auto framebuffer : swapChainFramebuffers) {
vkDestroyFramebuffer(device.device(), framebuffer, nullptr);
}
vkDestroyRenderPass(device.device(), renderPass, nullptr);
for (size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++) {
vkDestroySemaphore(device.device(), renderFinishedSemaphores[i], nullptr);
vkDestroySemaphore(device.device(), imageAvailableSemaphores[i], nullptr);
vkDestroyFence(device.device(), inFlightFences[i], nullptr);
}
}
VkResult XeSwapChain::acquireNextImage(uint32_t *imageIndex) {
vkWaitForFences(
device.device(),
1,
&inFlightFences[currentFrame],
VK_TRUE,
std::numeric_limits<uint64_t>::max());
VkResult result = vkAcquireNextImageKHR(
device.device(),
swapChain,
std::numeric_limits<uint64_t>::max(),
imageAvailableSemaphores[currentFrame],
VK_NULL_HANDLE,
imageIndex);
return result;
}
VkResult XeSwapChain::submitCommandBuffers(
const VkCommandBuffer *buffers, uint32_t *imageIndex) {
if (imagesInFlight[*imageIndex] != VK_NULL_HANDLE) {
vkWaitForFences(device.device(), 1, &imagesInFlight[*imageIndex], VK_TRUE, UINT64_MAX);
}
imagesInFlight[*imageIndex] = inFlightFences[currentFrame];
VkSubmitInfo submitInfo = {};
submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
VkSemaphore waitSemaphores[] = {imageAvailableSemaphores[currentFrame]};
VkPipelineStageFlags waitStages[] = {VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT};
submitInfo.waitSemaphoreCount = 1;
submitInfo.pWaitSemaphores = waitSemaphores;
submitInfo.pWaitDstStageMask = waitStages;
submitInfo.commandBufferCount = 1;
submitInfo.pCommandBuffers = buffers;
VkSemaphore signalSemaphores[] = {renderFinishedSemaphores[currentFrame]};
submitInfo.signalSemaphoreCount = 1;
submitInfo.pSignalSemaphores = signalSemaphores;
vkResetFences(device.device(), 1, &inFlightFences[currentFrame]);
if (vkQueueSubmit(device.graphicsQueue(), 1, &submitInfo, inFlightFences[currentFrame]) !=
VK_SUCCESS) {
throw std::runtime_error("failed to submit draw command buffer!");
}
VkPresentInfoKHR presentInfo = {};
presentInfo.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR;
presentInfo.waitSemaphoreCount = 1;
presentInfo.pWaitSemaphores = signalSemaphores;
VkSwapchainKHR swapChains[] = {swapChain};
presentInfo.swapchainCount = 1;
presentInfo.pSwapchains = swapChains;
presentInfo.pImageIndices = imageIndex;
auto result = vkQueuePresentKHR(device.presentQueue(), &presentInfo);
currentFrame = (currentFrame + 1) % MAX_FRAMES_IN_FLIGHT;
return result;
}
void XeSwapChain::createSwapChain() {
SwapChainSupportDetails swapChainSupport = device.getSwapChainSupport();
VkSurfaceFormatKHR surfaceFormat = chooseSwapSurfaceFormat(swapChainSupport.formats);
VkPresentModeKHR presentMode = chooseSwapPresentMode(swapChainSupport.presentModes);
VkExtent2D extent = chooseSwapExtent(swapChainSupport.capabilities);
uint32_t imageCount = swapChainSupport.capabilities.minImageCount + 1;
if (swapChainSupport.capabilities.maxImageCount > 0 &&
imageCount > swapChainSupport.capabilities.maxImageCount) {
imageCount = swapChainSupport.capabilities.maxImageCount;
}
VkSwapchainCreateInfoKHR createInfo = {};
createInfo.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
createInfo.surface = device.surface();
createInfo.minImageCount = imageCount;
createInfo.imageFormat = surfaceFormat.format;
createInfo.imageColorSpace = surfaceFormat.colorSpace;
createInfo.imageExtent = extent;
createInfo.imageArrayLayers = 1;
createInfo.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
QueueFamilyIndices indices = device.findPhysicalQueueFamilies();
uint32_t queueFamilyIndices[] = {indices.graphicsFamily, indices.presentFamily};
if (indices.graphicsFamily != indices.presentFamily) {
createInfo.imageSharingMode = VK_SHARING_MODE_CONCURRENT;
createInfo.queueFamilyIndexCount = 2;
createInfo.pQueueFamilyIndices = queueFamilyIndices;
} else {
createInfo.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
createInfo.queueFamilyIndexCount = 0;
createInfo.pQueueFamilyIndices = nullptr;
}
createInfo.preTransform = swapChainSupport.capabilities.currentTransform;
createInfo.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
createInfo.presentMode = presentMode;
createInfo.clipped = VK_TRUE;
createInfo.oldSwapchain = oldSwapChain == nullptr ? VK_NULL_HANDLE : oldSwapChain->swapChain;
if (vkCreateSwapchainKHR(device.device(), &createInfo, nullptr, &swapChain) != VK_SUCCESS) {
throw std::runtime_error("failed to create swap chain!");
}
vkGetSwapchainImagesKHR(device.device(), swapChain, &imageCount, nullptr);
swapChainImages.resize(imageCount);
vkGetSwapchainImagesKHR(device.device(), swapChain, &imageCount, swapChainImages.data());
swapChainImageFormat = surfaceFormat.format;
swapChainExtent = extent;
}
void XeSwapChain::createImageViews() {
swapChainImageViews.resize(swapChainImages.size());
for (size_t i = 0; i < swapChainImages.size(); i++) {
VkImageViewCreateInfo viewInfo{};
viewInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
viewInfo.image = swapChainImages[i];
viewInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
viewInfo.format = swapChainImageFormat;
viewInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
viewInfo.subresourceRange.baseMipLevel = 0;
viewInfo.subresourceRange.levelCount = 1;
viewInfo.subresourceRange.baseArrayLayer = 0;
viewInfo.subresourceRange.layerCount = 1;
if (vkCreateImageView(device.device(), &viewInfo, nullptr, &swapChainImageViews[i]) !=
VK_SUCCESS) {
throw std::runtime_error("failed to create texture image view!");
}
}
}
void XeSwapChain::createRenderPass() {
VkAttachmentDescription depthAttachment{};
depthAttachment.format = findDepthFormat();
depthAttachment.samples = VK_SAMPLE_COUNT_1_BIT;
depthAttachment.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
depthAttachment.storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
depthAttachment.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
depthAttachment.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
depthAttachment.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
depthAttachment.finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
VkAttachmentReference depthAttachmentRef{};
depthAttachmentRef.attachment = 1;
depthAttachmentRef.layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
VkAttachmentDescription colorAttachment = {};
colorAttachment.format = getSwapChainImageFormat();
colorAttachment.samples = VK_SAMPLE_COUNT_1_BIT;
colorAttachment.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
colorAttachment.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
colorAttachment.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
colorAttachment.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
colorAttachment.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
colorAttachment.finalLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
VkAttachmentReference colorAttachmentRef = {};
colorAttachmentRef.attachment = 0;
colorAttachmentRef.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
VkSubpassDescription subpass = {};
subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
subpass.colorAttachmentCount = 1;
subpass.pColorAttachments = &colorAttachmentRef;
subpass.pDepthStencilAttachment = &depthAttachmentRef;
VkSubpassDependency dependency = {};
dependency.srcSubpass = VK_SUBPASS_EXTERNAL;
dependency.srcAccessMask = 0;
dependency.srcStageMask =
VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT | VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT;
dependency.dstSubpass = 0;
dependency.dstStageMask =
VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT | VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT;
dependency.dstAccessMask =
VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT | VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
std::array<VkAttachmentDescription, 2> attachments = {colorAttachment, depthAttachment};
VkRenderPassCreateInfo renderPassInfo = {};
renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
renderPassInfo.attachmentCount = static_cast<uint32_t>(attachments.size());
renderPassInfo.pAttachments = attachments.data();
renderPassInfo.subpassCount = 1;
renderPassInfo.pSubpasses = &subpass;
renderPassInfo.dependencyCount = 1;
renderPassInfo.pDependencies = &dependency;
if (vkCreateRenderPass(device.device(), &renderPassInfo, nullptr, &renderPass) != VK_SUCCESS) {
throw std::runtime_error("failed to create render pass!");
}
}
void XeSwapChain::createFramebuffers() {
swapChainFramebuffers.resize(imageCount());
for (size_t i = 0; i < imageCount(); i++) {
std::array<VkImageView, 2> attachments = {swapChainImageViews[i], depthImageViews[i]};
VkExtent2D swapChainExtent = getSwapChainExtent();
VkFramebufferCreateInfo framebufferInfo = {};
framebufferInfo.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
framebufferInfo.renderPass = renderPass;
framebufferInfo.attachmentCount = static_cast<uint32_t>(attachments.size());
framebufferInfo.pAttachments = attachments.data();
framebufferInfo.width = swapChainExtent.width;
framebufferInfo.height = swapChainExtent.height;
framebufferInfo.layers = 1;
if (vkCreateFramebuffer(
device.device(),
&framebufferInfo,
nullptr,
&swapChainFramebuffers[i]) != VK_SUCCESS) {
throw std::runtime_error("failed to create framebuffer!");
}
}
}
void XeSwapChain::createDepthResources() {
VkFormat depthFormat = findDepthFormat();
swapChainDepthFormat = depthFormat;
VkExtent2D swapChainExtent = getSwapChainExtent();
depthImages.resize(imageCount());
depthImageMemorys.resize(imageCount());
depthImageViews.resize(imageCount());
for (int i = 0; i < depthImages.size(); i++) {
VkImageCreateInfo imageInfo{};
imageInfo.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
imageInfo.imageType = VK_IMAGE_TYPE_2D;
imageInfo.extent.width = swapChainExtent.width;
imageInfo.extent.height = swapChainExtent.height;
imageInfo.extent.depth = 1;
imageInfo.mipLevels = 1;
imageInfo.arrayLayers = 1;
imageInfo.format = depthFormat;
imageInfo.tiling = VK_IMAGE_TILING_OPTIMAL;
imageInfo.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
imageInfo.usage = VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
imageInfo.samples = VK_SAMPLE_COUNT_1_BIT;
imageInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
imageInfo.flags = 0;
device.createImageWithInfo(
imageInfo,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,
depthImages[i],
depthImageMemorys[i]);
VkImageViewCreateInfo viewInfo{};
viewInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
viewInfo.image = depthImages[i];
viewInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
viewInfo.format = depthFormat;
viewInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT;
viewInfo.subresourceRange.baseMipLevel = 0;
viewInfo.subresourceRange.levelCount = 1;
viewInfo.subresourceRange.baseArrayLayer = 0;
viewInfo.subresourceRange.layerCount = 1;
if (vkCreateImageView(device.device(), &viewInfo, nullptr, &depthImageViews[i]) != VK_SUCCESS) {
throw std::runtime_error("failed to create texture image view!");
}
}
}
void XeSwapChain::createSyncObjects() {
imageAvailableSemaphores.resize(MAX_FRAMES_IN_FLIGHT);
renderFinishedSemaphores.resize(MAX_FRAMES_IN_FLIGHT);
inFlightFences.resize(MAX_FRAMES_IN_FLIGHT);
imagesInFlight.resize(imageCount(), VK_NULL_HANDLE);
VkSemaphoreCreateInfo semaphoreInfo = {};
semaphoreInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
VkFenceCreateInfo fenceInfo = {};
fenceInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
fenceInfo.flags = VK_FENCE_CREATE_SIGNALED_BIT;
for (size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++) {
if (vkCreateSemaphore(device.device(), &semaphoreInfo, nullptr, &imageAvailableSemaphores[i]) !=
VK_SUCCESS ||
vkCreateSemaphore(device.device(), &semaphoreInfo, nullptr, &renderFinishedSemaphores[i]) !=
VK_SUCCESS ||
vkCreateFence(device.device(), &fenceInfo, nullptr, &inFlightFences[i]) != VK_SUCCESS) {
throw std::runtime_error("failed to create synchronization objects for a frame!");
}
}
}
VkSurfaceFormatKHR XeSwapChain::chooseSwapSurfaceFormat(
const std::vector<VkSurfaceFormatKHR> &availableFormats) {
for (const auto &availableFormat : availableFormats) {
if (availableFormat.format == VK_FORMAT_B8G8R8A8_UNORM &&
availableFormat.colorSpace == VK_COLOR_SPACE_SRGB_NONLINEAR_KHR) {
return availableFormat;
}
}
return availableFormats[0];
}
VkPresentModeKHR XeSwapChain::chooseSwapPresentMode(
const std::vector<VkPresentModeKHR> &availablePresentModes) {
for (const auto &availablePresentMode : availablePresentModes) {
if (availablePresentMode == VK_PRESENT_MODE_MAILBOX_KHR) {
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if(!initialSwapChainCreated)
std::cout << "Present mode: Mailbox" << std::endl;
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return availablePresentMode;
}
}
for (const auto &availablePresentMode : availablePresentModes) {
if (availablePresentMode == VK_PRESENT_MODE_IMMEDIATE_KHR) {
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if(!initialSwapChainCreated)
std::cout << "Present mode: Immediate" << std::endl;
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return availablePresentMode;
}
}
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if(!initialSwapChainCreated)
std::cout << "Present mode: V-Sync" << std::endl;
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return VK_PRESENT_MODE_FIFO_KHR;
}
VkExtent2D XeSwapChain::chooseSwapExtent(const VkSurfaceCapabilitiesKHR &capabilities) {
if (capabilities.currentExtent.width != std::numeric_limits<uint32_t>::max()) {
return capabilities.currentExtent;
} else {
VkExtent2D actualExtent = windowExtent;
actualExtent.width = std::max(
capabilities.minImageExtent.width,
std::min(capabilities.maxImageExtent.width, actualExtent.width));
actualExtent.height = std::max(
capabilities.minImageExtent.height,
std::min(capabilities.maxImageExtent.height, actualExtent.height));
return actualExtent;
}
}
VkFormat XeSwapChain::findDepthFormat() {
return device.findSupportedFormat(
{VK_FORMAT_D32_SFLOAT, VK_FORMAT_D32_SFLOAT_S8_UINT, VK_FORMAT_D24_UNORM_S8_UINT},
VK_IMAGE_TILING_OPTIMAL,
VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT);
}
}