very crude first triangle pre version
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22 changed files with 1789 additions and 5 deletions
568
engine/logicaldevice.cpp
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568
engine/logicaldevice.cpp
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#include "logicaldevice.h"
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#include "swapchain.h"
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constexpr int MAX_FRAMES_IN_FLIGHT = 2;
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constexpr float queuePriority = 1.0f;
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Engine::LogicalDevice::LogicalDevice(
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PhysicalDevice* physicalDevice,
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Surface* surface,
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const std::vector<const char*>& extensions,
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const std::vector<const char*> layers
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):
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phys(physicalDevice),
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vk(),
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graphicsQueue(),
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presentQueue(),
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renderPass(),
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pipelineLayout(),
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graphicsPipeline(),
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commandPool(),
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commandBuffers(),
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imageAvailableSemaphores(),
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renderFinishedSemaphores(),
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inFlightFences(),
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currentFrame(0),
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framebufferResized(false),
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hasPipeline(false),
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surface(surface),
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surfaceFormat(surface->chooseSwapSurfaceFormat(phys->swapChainSupport)),
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swapChain(nullptr)
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{
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const QueueFamilyIndices& indices = phys->indices;
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createDevice(phys->vk, indices, extensions, layers);
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createQueues(indices.graphicsFamily.value(), indices.presentFamily.value());
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createCommandPool(phys->indices.graphicsFamily.value());
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createCommandBuffers();
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createSyncObjects();
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createRenderPass(surfaceFormat.format);
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}
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Engine::LogicalDevice::~LogicalDevice() {
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clearSwapChain();
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if (hasPipeline) {
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vkDestroyPipeline(vk, graphicsPipeline, nullptr);
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vkDestroyPipelineLayout(vk, pipelineLayout, nullptr);
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}
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vkDestroyRenderPass(vk, renderPass, nullptr);
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for (size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++) {
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vkDestroySemaphore(vk, renderFinishedSemaphores[i], nullptr);
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vkDestroySemaphore(vk, imageAvailableSemaphores[i], nullptr);
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vkDestroyFence(vk, inFlightFences[i], nullptr);
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}
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vkFreeCommandBuffers(vk, commandPool, MAX_FRAMES_IN_FLIGHT, commandBuffers.data());
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vkDestroyCommandPool(vk, commandPool, nullptr);
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vkDestroyDevice(vk, nullptr);
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}
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void Engine::LogicalDevice::createSwapChain() {
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clearSwapChain();
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swapChain = new SwapChain(this);
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}
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void Engine::LogicalDevice::clearSwapChain() {
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if (swapChain != nullptr)
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delete swapChain;
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swapChain = nullptr;
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}
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VkResult Engine::LogicalDevice::waitIdle() {
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return vkDeviceWaitIdle(vk);
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}
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VkResult Engine::LogicalDevice::waitForFence(const VkFence& fence) {
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return vkWaitForFences(vk, 1, &fence, VK_TRUE, UINT64_MAX);
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}
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VkResult Engine::LogicalDevice::resetFence(const VkFence& fence) {
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return vkResetFences(vk, 1, &fence);
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}
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VkResult Engine::LogicalDevice::queueSubmitGraphics(
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const VkSemaphore& wait,
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const VkCommandBuffer& buffer,
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const VkSemaphore& signal,
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const VkFence& fence
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) {
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VkSubmitInfo submitInfo{};
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submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
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VkPipelineStageFlags waitStages[] = {VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT};
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submitInfo.waitSemaphoreCount = 1;
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submitInfo.pWaitSemaphores = &wait;
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submitInfo.pWaitDstStageMask = waitStages;
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submitInfo.commandBufferCount = 1;
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submitInfo.pCommandBuffers = &buffer;
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submitInfo.signalSemaphoreCount = 1;
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submitInfo.pSignalSemaphores = &signal;
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return vkQueueSubmit(graphicsQueue, 1, &submitInfo, fence);
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}
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VkResult Engine::LogicalDevice::queuePresent(const VkSemaphore& signal, uint32_t index) {
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VkPresentInfoKHR presentInfo{};
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presentInfo.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR;
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presentInfo.waitSemaphoreCount = 1;
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presentInfo.pWaitSemaphores = &signal;
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presentInfo.swapchainCount = 1;
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presentInfo.pSwapchains = &swapChain->vk;
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presentInfo.pImageIndices = &index;
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return vkQueuePresentKHR(presentQueue, &presentInfo);
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}
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VkShaderModule Engine::LogicalDevice::createShaderModule(const std::string& path) {
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std::vector<char> code = readFile(path);
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VkShaderModuleCreateInfo createInfo{};
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createInfo.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
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createInfo.codeSize = code.size();
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createInfo.pCode = reinterpret_cast<const uint32_t*>(code.data());
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VkShaderModule shaderModule;
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if (vkCreateShaderModule(vk, &createInfo, nullptr, &shaderModule) != VK_SUCCESS)
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throw std::runtime_error("failed to create shader module!");
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return shaderModule;
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}
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void Engine::LogicalDevice::destroyShaderModule(VkShaderModule shaderModule) {
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vkDestroyShaderModule(vk, shaderModule, nullptr);
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}
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void Engine::LogicalDevice::createDevice(
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VkPhysicalDevice physicalDevice,
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const QueueFamilyIndices& indices,
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const std::vector<const char*>& extensions,
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const std::vector<const char*> layers
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) {
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std::vector<VkDeviceQueueCreateInfo> queueCreateInfos;
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std::set<uint32_t> uniqueQueueFamilies = {indices.graphicsFamily.value(), indices.presentFamily.value()};
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for (uint32_t queueFamily : uniqueQueueFamilies) {
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VkDeviceQueueCreateInfo queueCreateInfo{};
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queueCreateInfo.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
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queueCreateInfo.queueFamilyIndex = queueFamily;
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queueCreateInfo.queueCount = 1;
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queueCreateInfo.pQueuePriorities = &queuePriority;
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queueCreateInfos.push_back(queueCreateInfo);
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}
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VkPhysicalDeviceFeatures deviceFeatures{};
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VkDeviceCreateInfo createInfo{};
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createInfo.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
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createInfo.queueCreateInfoCount = static_cast<uint32_t>(queueCreateInfos.size());
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createInfo.pQueueCreateInfos = queueCreateInfos.data();
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createInfo.pEnabledFeatures = &deviceFeatures;
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createInfo.enabledExtensionCount = static_cast<uint32_t>(extensions.size());
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createInfo.ppEnabledExtensionNames = extensions.data();
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createInfo.enabledLayerCount = static_cast<uint32_t>(layers.size());
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createInfo.ppEnabledLayerNames = layers.data();
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if (vkCreateDevice(physicalDevice, &createInfo, nullptr, &vk) != VK_SUCCESS)
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throw std::runtime_error("failed to create logical device!");
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}
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void Engine::LogicalDevice::createQueues(uint32_t graphicsFamilyIndex, uint32_t presenFamilyIndex) {
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vkGetDeviceQueue(vk, graphicsFamilyIndex, 0, &graphicsQueue);
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vkGetDeviceQueue(vk, presenFamilyIndex, 0, &presentQueue);
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}
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void Engine::LogicalDevice::createSyncObjects() {
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imageAvailableSemaphores.resize(MAX_FRAMES_IN_FLIGHT);
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renderFinishedSemaphores.resize(MAX_FRAMES_IN_FLIGHT);
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inFlightFences.resize(MAX_FRAMES_IN_FLIGHT);
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VkSemaphoreCreateInfo semaphoreInfo{};
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semaphoreInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
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VkFenceCreateInfo fenceInfo{};
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fenceInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
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fenceInfo.flags = VK_FENCE_CREATE_SIGNALED_BIT;
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for (size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++) {
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if (vkCreateSemaphore(vk, &semaphoreInfo, nullptr, &imageAvailableSemaphores[i]) != VK_SUCCESS ||
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vkCreateSemaphore(vk, &semaphoreInfo, nullptr, &renderFinishedSemaphores[i]) != VK_SUCCESS ||
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vkCreateFence(vk, &fenceInfo, nullptr, &inFlightFences[i]) != VK_SUCCESS) {
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throw std::runtime_error("failed to create synchronization objects for a frame!");
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}
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}
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}
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void Engine::LogicalDevice::createCommandPool(uint32_t queueFamilyIndex) {
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VkCommandPoolCreateInfo poolInfo{};
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poolInfo.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
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poolInfo.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT;
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poolInfo.queueFamilyIndex = queueFamilyIndex;
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if (vkCreateCommandPool(vk, &poolInfo, nullptr, &commandPool) != VK_SUCCESS)
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throw std::runtime_error("failed to create command pool!");
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}
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void Engine::LogicalDevice::createCommandBuffers() {
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commandBuffers.resize(MAX_FRAMES_IN_FLIGHT);
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VkCommandBufferAllocateInfo allocInfo{};
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allocInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
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allocInfo.commandPool = commandPool;
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allocInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
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allocInfo.commandBufferCount = (uint32_t) commandBuffers.size();
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if (vkAllocateCommandBuffers(vk, &allocInfo, commandBuffers.data()) != VK_SUCCESS)
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throw std::runtime_error("failed to allocate command buffers!");
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}
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void Engine::LogicalDevice::drawFrame() {
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waitForFence(inFlightFences[currentFrame]);
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uint32_t imageIndex;
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VkResult result = vkAcquireNextImageKHR(vk, swapChain->vk, UINT64_MAX, imageAvailableSemaphores[currentFrame], VK_NULL_HANDLE, &imageIndex);
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if (result == VK_ERROR_OUT_OF_DATE_KHR) {
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recreateSwapChain();
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return;
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} else if (result != VK_SUCCESS && result != VK_SUBOPTIMAL_KHR) {
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throw std::runtime_error("failed to acquire swap chain image!");
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}
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resetFence(inFlightFences[currentFrame]);
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vkResetCommandBuffer(commandBuffers[currentFrame], /*VkCommandBufferResetFlagBits*/ 0);
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recordCommandBuffer(commandBuffers[currentFrame], imageIndex);
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if (queueSubmitGraphics(
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imageAvailableSemaphores[currentFrame],
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commandBuffers[currentFrame],
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renderFinishedSemaphores[currentFrame],
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inFlightFences[currentFrame]) != VK_SUCCESS
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)
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throw std::runtime_error("failed to submit draw command buffer!");
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result = queuePresent(renderFinishedSemaphores[currentFrame], imageIndex);
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if (result == VK_ERROR_OUT_OF_DATE_KHR || result == VK_SUBOPTIMAL_KHR || framebufferResized) {
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framebufferResized = false;
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recreateSwapChain();
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} else if (result != VK_SUCCESS) {
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throw std::runtime_error("failed to present swap chain image!");
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}
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currentFrame = (currentFrame + 1) % MAX_FRAMES_IN_FLIGHT;
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}
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VkExtent2D Engine::LogicalDevice::chooseSwapExtent() const {
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return surface->chooseSwapExtent(phys->swapChainSupport.capabilities);
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}
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VkResult Engine::LogicalDevice::createVkSwapChain(const VkExtent2D& extent, VkSwapchainKHR& out) {
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const SwapChainSupportDetails& swapChainSupport = phys->swapChainSupport;
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uint32_t imageCount = swapChainSupport.capabilities.minImageCount + 1;
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if (swapChainSupport.capabilities.maxImageCount > 0 && imageCount > swapChainSupport.capabilities.maxImageCount)
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imageCount = swapChainSupport.capabilities.maxImageCount;
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VkSwapchainCreateInfoKHR createInfo{};
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createInfo.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
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createInfo.surface = surface->vk;
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createInfo.imageFormat = surfaceFormat.format;
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createInfo.imageColorSpace = surfaceFormat.colorSpace;
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createInfo.imageArrayLayers = 1;
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createInfo.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
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createInfo.imageExtent = extent;
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createInfo.minImageCount = imageCount;
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const QueueFamilyIndices& indices = phys->indices;
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uint32_t queueFamilyIndices[] = {indices.graphicsFamily.value(), indices.presentFamily.value()};
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if (indices.graphicsFamily != indices.presentFamily) {
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createInfo.imageSharingMode = VK_SHARING_MODE_CONCURRENT;
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createInfo.queueFamilyIndexCount = 2;
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createInfo.pQueueFamilyIndices = queueFamilyIndices;
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} else {
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createInfo.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
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}
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createInfo.preTransform = swapChainSupport.capabilities.currentTransform;
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createInfo.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
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createInfo.presentMode = chooseSwapPresentMode(swapChainSupport.presentModes);
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createInfo.clipped = VK_TRUE;
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return vkCreateSwapchainKHR(vk, &createInfo, nullptr, &out);
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}
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void Engine::LogicalDevice::destroyVkSwapChain(VkSwapchainKHR& swapChain) {
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vkDestroySwapchainKHR(vk, swapChain, nullptr);
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}
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VkResult Engine::LogicalDevice::getVkSwapChainImages(VkSwapchainKHR& swapChain, std::vector<VkImage>& out) {
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uint32_t imageCount;
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VkResult result = vkGetSwapchainImagesKHR(vk, swapChain, &imageCount, nullptr);
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if (result != VK_SUCCESS)
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return result;
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out.resize(imageCount);
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return vkGetSwapchainImagesKHR(vk, swapChain, &imageCount, out.data());
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}
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VkResult Engine::LogicalDevice::createVkImageView(const VkImage& image, VkImageView& out) {
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VkImageViewCreateInfo createInfo{};
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createInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
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createInfo.image = image;
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createInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
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createInfo.format = surfaceFormat.format;
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createInfo.components.r = VK_COMPONENT_SWIZZLE_IDENTITY;
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createInfo.components.g = VK_COMPONENT_SWIZZLE_IDENTITY;
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createInfo.components.b = VK_COMPONENT_SWIZZLE_IDENTITY;
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createInfo.components.a = VK_COMPONENT_SWIZZLE_IDENTITY;
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createInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
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createInfo.subresourceRange.baseMipLevel = 0;
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createInfo.subresourceRange.levelCount = 1;
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createInfo.subresourceRange.baseArrayLayer = 0;
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createInfo.subresourceRange.layerCount = 1;
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return vkCreateImageView(vk, &createInfo, nullptr, &out);
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}
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void Engine::LogicalDevice::destroyVkImageView(VkImageView& view) {
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vkDestroyImageView(vk, view, nullptr);
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}
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VkResult Engine::LogicalDevice::createVkFrameBuffer(const VkImageView& imageView, const VkExtent2D& extent, VkFramebuffer& out) {
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VkImageView attachments[] = {imageView};
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VkFramebufferCreateInfo framebufferInfo{};
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framebufferInfo.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
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framebufferInfo.renderPass = renderPass;
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framebufferInfo.attachmentCount = 1;
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framebufferInfo.pAttachments = attachments;
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framebufferInfo.width = extent.width;
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framebufferInfo.height = extent.height;
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framebufferInfo.layers = 1;
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return vkCreateFramebuffer(vk, &framebufferInfo, nullptr, &out);
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}
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void Engine::LogicalDevice::destroyVkFrameBuffer(VkFramebuffer& buffer) {
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vkDestroyFramebuffer(vk, buffer, nullptr);
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}
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void Engine::LogicalDevice::createRenderPass(VkFormat format) {
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VkAttachmentDescription colorAttachment{};
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colorAttachment.format = format;
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colorAttachment.samples = VK_SAMPLE_COUNT_1_BIT;
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colorAttachment.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
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colorAttachment.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
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colorAttachment.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
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colorAttachment.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
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colorAttachment.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
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colorAttachment.finalLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
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VkAttachmentReference colorAttachmentRef{};
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colorAttachmentRef.attachment = 0;
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colorAttachmentRef.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
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VkSubpassDescription subpass{};
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subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
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subpass.colorAttachmentCount = 1;
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subpass.pColorAttachments = &colorAttachmentRef;
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VkSubpassDependency dependency{};
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dependency.srcSubpass = VK_SUBPASS_EXTERNAL;
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dependency.dstSubpass = 0;
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dependency.srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
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dependency.srcAccessMask = 0;
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dependency.dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
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dependency.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
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VkRenderPassCreateInfo renderPassInfo{};
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renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
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renderPassInfo.attachmentCount = 1;
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renderPassInfo.pAttachments = &colorAttachment;
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renderPassInfo.subpassCount = 1;
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renderPassInfo.pSubpasses = &subpass;
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renderPassInfo.dependencyCount = 1;
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renderPassInfo.pDependencies = &dependency;
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if (vkCreateRenderPass(vk, &renderPassInfo, nullptr, &renderPass) != VK_SUCCESS)
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throw std::runtime_error("failed to create render pass!");
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}
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void Engine::LogicalDevice::createGraphicsPipeline(const std::string& vertexShaderPath, const std::string& fragmentShaderPath) {
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if (hasPipeline)
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throw std::runtime_error("an attempt to create graphics pipeline for the second time");
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VkShaderModule vertShaderModule = createShaderModule(vertexShaderPath);
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VkShaderModule fragShaderModule = createShaderModule(fragmentShaderPath);
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VkPipelineShaderStageCreateInfo vertShaderStageInfo{};
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vertShaderStageInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
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vertShaderStageInfo.stage = VK_SHADER_STAGE_VERTEX_BIT;
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vertShaderStageInfo.module = vertShaderModule;
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vertShaderStageInfo.pName = "main";
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VkPipelineShaderStageCreateInfo fragShaderStageInfo{};
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fragShaderStageInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
|
||||
fragShaderStageInfo.stage = VK_SHADER_STAGE_FRAGMENT_BIT;
|
||||
fragShaderStageInfo.module = fragShaderModule;
|
||||
fragShaderStageInfo.pName = "main";
|
||||
|
||||
VkPipelineShaderStageCreateInfo shaderStages[] = {vertShaderStageInfo, fragShaderStageInfo};
|
||||
|
||||
VkPipelineVertexInputStateCreateInfo vertexInputInfo{};
|
||||
vertexInputInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
|
||||
vertexInputInfo.vertexBindingDescriptionCount = 0;
|
||||
vertexInputInfo.vertexAttributeDescriptionCount = 0;
|
||||
|
||||
VkPipelineInputAssemblyStateCreateInfo inputAssembly{};
|
||||
inputAssembly.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
|
||||
inputAssembly.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
|
||||
inputAssembly.primitiveRestartEnable = VK_FALSE;
|
||||
|
||||
VkPipelineViewportStateCreateInfo viewportState{};
|
||||
viewportState.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
|
||||
viewportState.viewportCount = 1;
|
||||
viewportState.scissorCount = 1;
|
||||
|
||||
VkPipelineRasterizationStateCreateInfo rasterizer{};
|
||||
rasterizer.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
|
||||
rasterizer.depthClampEnable = VK_FALSE;
|
||||
rasterizer.rasterizerDiscardEnable = VK_FALSE;
|
||||
rasterizer.polygonMode = VK_POLYGON_MODE_FILL;
|
||||
rasterizer.lineWidth = 1.0f;
|
||||
rasterizer.cullMode = VK_CULL_MODE_BACK_BIT;
|
||||
rasterizer.frontFace = VK_FRONT_FACE_CLOCKWISE;
|
||||
rasterizer.depthBiasEnable = VK_FALSE;
|
||||
|
||||
VkPipelineMultisampleStateCreateInfo multisampling{};
|
||||
multisampling.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
|
||||
multisampling.sampleShadingEnable = VK_FALSE;
|
||||
multisampling.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
|
||||
|
||||
VkPipelineColorBlendAttachmentState colorBlendAttachment{};
|
||||
colorBlendAttachment.colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT;
|
||||
colorBlendAttachment.blendEnable = VK_FALSE;
|
||||
|
||||
VkPipelineColorBlendStateCreateInfo colorBlending{};
|
||||
colorBlending.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
|
||||
colorBlending.logicOpEnable = VK_FALSE;
|
||||
colorBlending.logicOp = VK_LOGIC_OP_COPY;
|
||||
colorBlending.attachmentCount = 1;
|
||||
colorBlending.pAttachments = &colorBlendAttachment;
|
||||
colorBlending.blendConstants[0] = 0.0f;
|
||||
colorBlending.blendConstants[1] = 0.0f;
|
||||
colorBlending.blendConstants[2] = 0.0f;
|
||||
colorBlending.blendConstants[3] = 0.0f;
|
||||
|
||||
std::vector<VkDynamicState> dynamicStates = {
|
||||
VK_DYNAMIC_STATE_VIEWPORT,
|
||||
VK_DYNAMIC_STATE_SCISSOR
|
||||
};
|
||||
VkPipelineDynamicStateCreateInfo dynamicState{};
|
||||
dynamicState.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO;
|
||||
dynamicState.dynamicStateCount = static_cast<uint32_t>(dynamicStates.size());
|
||||
dynamicState.pDynamicStates = dynamicStates.data();
|
||||
|
||||
VkPipelineLayoutCreateInfo pipelineLayoutInfo{};
|
||||
pipelineLayoutInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
|
||||
pipelineLayoutInfo.setLayoutCount = 0;
|
||||
pipelineLayoutInfo.pushConstantRangeCount = 0;
|
||||
|
||||
if (vkCreatePipelineLayout(vk, &pipelineLayoutInfo, nullptr, &pipelineLayout) != VK_SUCCESS)
|
||||
throw std::runtime_error("failed to create pipeline layout!");
|
||||
|
||||
VkGraphicsPipelineCreateInfo pipelineInfo{};
|
||||
pipelineInfo.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
|
||||
pipelineInfo.stageCount = 2;
|
||||
pipelineInfo.pStages = shaderStages;
|
||||
pipelineInfo.pVertexInputState = &vertexInputInfo;
|
||||
pipelineInfo.pInputAssemblyState = &inputAssembly;
|
||||
pipelineInfo.pViewportState = &viewportState;
|
||||
pipelineInfo.pRasterizationState = &rasterizer;
|
||||
pipelineInfo.pMultisampleState = &multisampling;
|
||||
pipelineInfo.pColorBlendState = &colorBlending;
|
||||
pipelineInfo.pDynamicState = &dynamicState;
|
||||
pipelineInfo.layout = pipelineLayout;
|
||||
pipelineInfo.renderPass = renderPass;
|
||||
pipelineInfo.subpass = 0;
|
||||
pipelineInfo.basePipelineHandle = VK_NULL_HANDLE;
|
||||
|
||||
if (vkCreateGraphicsPipelines(vk, VK_NULL_HANDLE, 1, &pipelineInfo, nullptr, &graphicsPipeline) != VK_SUCCESS)
|
||||
throw std::runtime_error("failed to create graphics pipeline!");
|
||||
|
||||
destroyShaderModule(fragShaderModule);
|
||||
destroyShaderModule(vertShaderModule);
|
||||
|
||||
hasPipeline = true;
|
||||
}
|
||||
|
||||
void Engine::LogicalDevice::recordCommandBuffer(VkCommandBuffer commandBuffer, uint32_t imageIndex) {
|
||||
VkExtent2D extent = swapChain->getExtent();
|
||||
VkCommandBufferBeginInfo beginInfo{};
|
||||
beginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
|
||||
|
||||
if (vkBeginCommandBuffer(commandBuffer, &beginInfo) != VK_SUCCESS)
|
||||
throw std::runtime_error("failed to begin recording command buffer!");
|
||||
|
||||
VkRenderPassBeginInfo renderPassInfo{};
|
||||
renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
|
||||
renderPassInfo.renderPass = renderPass;
|
||||
renderPassInfo.framebuffer = swapChain->getFrameBuffer(imageIndex);
|
||||
renderPassInfo.renderArea.offset = {0, 0};
|
||||
renderPassInfo.renderArea.extent = extent;
|
||||
|
||||
VkClearValue clearColor = {{{0.0f, 0.0f, 0.0f, 1.0f}}};
|
||||
renderPassInfo.clearValueCount = 1;
|
||||
renderPassInfo.pClearValues = &clearColor;
|
||||
|
||||
vkCmdBeginRenderPass(commandBuffer, &renderPassInfo, VK_SUBPASS_CONTENTS_INLINE);
|
||||
|
||||
vkCmdBindPipeline(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, graphicsPipeline);
|
||||
|
||||
VkViewport viewport{};
|
||||
viewport.x = 0.0f;
|
||||
viewport.y = 0.0f;
|
||||
viewport.width = (float) extent.width;
|
||||
viewport.height = (float) extent.height;
|
||||
viewport.minDepth = 0.0f;
|
||||
viewport.maxDepth = 1.0f;
|
||||
vkCmdSetViewport(commandBuffer, 0, 1, &viewport);
|
||||
|
||||
VkRect2D scissor{};
|
||||
scissor.offset = {0, 0};
|
||||
scissor.extent = extent;
|
||||
vkCmdSetScissor(commandBuffer, 0, 1, &scissor);
|
||||
|
||||
vkCmdDraw(commandBuffer, 3, 1, 0, 0);
|
||||
|
||||
vkCmdEndRenderPass(commandBuffer);
|
||||
|
||||
if (vkEndCommandBuffer(commandBuffer) != VK_SUCCESS)
|
||||
throw std::runtime_error("failed to record command buffer!");
|
||||
}
|
||||
|
||||
void Engine::LogicalDevice::recreateSwapChain() {
|
||||
surface->waitForResize();
|
||||
waitIdle();
|
||||
createSwapChain();
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue