112 lines
3.2 KiB
C++
112 lines
3.2 KiB
C++
#include <GLFW/glfw3.h>
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#include <imgui/imgui_impl_glfw.h>
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#include <imgui/imgui_impl_vulkan.h>
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#include <Window/Window.hpp>
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#include <UI/UI.hpp>
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#include <Renderer/Renderer.hpp>
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#include <Scene/Camera.hpp>
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UI::UI(Renderer* ren) : info{ .flycam = ren->flycam, .time = ren->time, .cam = ren->cam, .tess_factor = ren->tess_factor, .tess_edge_size = ren->tess_edge_size }, dev(ren->dev) {
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IMGUI_CHECKVERSION();
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ImGui::CreateContext();
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/* just allocate a ton in case */
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std::vector<vk::DescriptorPoolSize> pool_sizes = {
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{ vk::DescriptorType::eSampler, 1024 },
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{ vk::DescriptorType::eCombinedImageSampler, 1024 },
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{ vk::DescriptorType::eSampledImage, 1024 },
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{ vk::DescriptorType::eStorageBuffer, 1024 },
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{ vk::DescriptorType::eUniformTexelBuffer, 1024 },
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{ vk::DescriptorType::eStorageTexelBuffer, 1024 },
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{ vk::DescriptorType::eUniformBuffer, 1024 },
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{ vk::DescriptorType::eStorageBuffer, 1024 },
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{ vk::DescriptorType::eUniformBufferDynamic, 1024 },
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{ vk::DescriptorType::eStorageBufferDynamic, 1024 },
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{ vk::DescriptorType::eInputAttachment, 1024 },
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};
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desc_pool = ren->dev.createDescriptorPool(vk::DescriptorPoolCreateInfo {
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.flags = vk::DescriptorPoolCreateFlagBits::eFreeDescriptorSet,
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.maxSets = 1024,
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.poolSizeCount = static_cast<uint32_t>(pool_sizes.size()),
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.pPoolSizes = pool_sizes.data(),
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});
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ImGui_ImplGlfw_InitForVulkan((GLFWwindow*)(ren->win.win), true);
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auto imgui_info = ImGui_ImplVulkan_InitInfo {
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.Instance = ren->instance,
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.PhysicalDevice = ren->phys_dev,
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.Device = ren->dev,
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.Queue = ren->queue,
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.DescriptorPool = desc_pool,
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.MinImageCount = 2,
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.ImageCount = static_cast<uint32_t>(ren->swapchain->images.size()),
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.MSAASamples = VK_SAMPLE_COUNT_1_BIT,
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};
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ImGui_ImplVulkan_Init(&imgui_info, ren->render_pass->render_pass);
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CommandBuffer imgui_cmd_buffer(ren->dev, ren->queue_family);
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imgui_cmd_buffer.command_buffer.reset();
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imgui_cmd_buffer.begin();
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ImGui_ImplVulkan_CreateFontsTexture(imgui_cmd_buffer.command_buffer);
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imgui_cmd_buffer.end();
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auto imgui_fence = ren->dev.createFence(vk::FenceCreateInfo {
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.flags = vk::FenceCreateFlagBits::eSignaled,
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});
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ren->dev.resetFences(imgui_fence);
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ren->queue.submit(vk::SubmitInfo {
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.commandBufferCount = 1,
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.pCommandBuffers = &imgui_cmd_buffer.command_buffer,
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}, imgui_fence);
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(void)ren->dev.waitForFences(imgui_fence, vk::True, UINT64_MAX);
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ren->dev.destroyFence(imgui_fence);
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imgui_cmd_buffer.cleanup(ren->dev);
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ImGui_ImplVulkan_DestroyFontUploadObjects();
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ImGui::StyleColorsDark();
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}
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void UI::newFrame() {
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ImGui_ImplVulkan_NewFrame();
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ImGui_ImplGlfw_NewFrame();
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ImGui::NewFrame();
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ImGui::SetNextWindowBgAlpha(0.5f);
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ImGui::Begin("Rendering Info", nullptr);
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ImGui::Text("FPS: %f", info.fps);
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ImGui::Text("Time: %f", info.time);
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ImGui::Checkbox("Fly Camera", &info.flycam);
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ImGui::SliderFloat("Tessellation Factor", &info.tess_factor, 0.1, 10.0);
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ImGui::SliderFloat("Edge Size", &info.tess_edge_size, 0.0, 40.0);
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ImGui::End();
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}
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void UI::render(vk::CommandBuffer cmd) {
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ImGui::Render();
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ImGui_ImplVulkan_RenderDrawData(ImGui::GetDrawData(), cmd);
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}
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UI::~UI() {
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dev.destroyDescriptorPool(desc_pool);
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ImGui_ImplVulkan_Shutdown();
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ImGui_ImplGlfw_Shutdown();
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ImGui::DestroyContext();
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} |