96 lines
3.3 KiB
C++
96 lines
3.3 KiB
C++
#include "first_app.hpp"
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#include <stdexcept>
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#include <array>
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namespace cve {
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FirstApp::FirstApp() {
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createPipelineLayout();
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createPipeline();
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createCommandBuffers();
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}
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FirstApp::~FirstApp() {
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vkDestroyPipelineLayout(cveDevice.device(), pipelineLayout, nullptr);
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}
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void FirstApp::run() {
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while (!cveWindow.shouldClose()) {
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glfwPollEvents();
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}
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}
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void FirstApp::createPipelineLayout() {
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VkPipelineLayoutCreateInfo pipelineLayoutInfo{};
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pipelineLayoutInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
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pipelineLayoutInfo.setLayoutCount = 0;
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pipelineLayoutInfo.pSetLayouts = nullptr;
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pipelineLayoutInfo.pushConstantRangeCount = 0;
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pipelineLayoutInfo.pPushConstantRanges = nullptr;
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if (vkCreatePipelineLayout(cveDevice.device(), &pipelineLayoutInfo, nullptr, &pipelineLayout) !=
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VK_SUCCESS) {
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throw std::runtime_error("Failed to create pipeline layout");
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}
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}
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void FirstApp::createPipeline() {
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auto pipelineConfig = CvePipeline::defaultPipelineConfigInfo(cveSwapChain.width(), cveSwapChain.height());
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pipelineConfig.renderPass = cveSwapChain.getRenderPass();
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pipelineConfig.pipelineLayout = pipelineLayout;
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cvePipeline = std::make_unique<CvePipeline>(
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cveDevice,
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"shaders/simple_shader.vert.spv",
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"shaders/simple_shader.frag.spv",
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pipelineConfig
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);
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}
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void FirstApp::createCommandBuffers() {
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commandBuffers.resize(cveSwapChain.imageCount());
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VkCommandBufferAllocateInfo allocInfo{};
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allocInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
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allocInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
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allocInfo.commandPool = cveDevice.getCommandPool();
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allocInfo.commandBufferCount = static_cast<uint32_t>(commandBuffers.size());
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if (vkAllocateCommandBuffers(cveDevice.device(), &allocInfo, commandBuffers.data()) !=
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VK_SUCCESS) {
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throw std::runtime_error("Failed to allocate command buffers");
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}
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for (int i=0; i < commandBuffers.size(); i++) {
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VkCommandBufferBeginInfo beginInfo{};
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beginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
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if (vkBeginCommandBuffer(commandBuffers[i], &beginInfo) != VK_SUCCESS) {
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throw std::runtime_error("Failed to begin command buffer recording");
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}
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VkRenderPassBeginInfo renderPassInfo{};
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renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
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renderPassInfo.renderPass = cveSwapChain.getRenderPass();
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renderPassInfo.framebuffer = cveSwapChain.getFrameBuffer(i);
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renderPassInfo.renderArea.offset = {0, 0};
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renderPassInfo.renderArea.extent = cveSwapChain.getSwapChainExtent();
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std::array<VkClearValue, 2> clearValues{};
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clearValues[0].color = {0.1f, 0.1f, 0.1f, 1.0f};
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clearValues[1].depthStencil = {1.0f, 0};
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renderPassInfo.clearValueCount = static_cast<uint32_t>(clearValues.size());
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renderPassInfo.pClearValues = clearValues.data();
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vkCmdBeginRenderPass(commandBuffers[i], &renderPassInfo, VK_SUBPASS_CONTENTS_INLINE);
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cvePipeline->bind(commandBuffers[i]);
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vkCmdDraw(commandBuffers[i], 3, 1, 0, 0);
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vkCmdEndRenderPass(commandBuffers[i]);
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if (vkEndCommandBuffer(commandBuffers[i]) != VK_SUCCESS) {
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throw std::runtime_error("Failed to record command buffer!");
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}
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}
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}
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void FirstApp::drawFrame() {};
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}
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