284 lines
13 KiB
C++
284 lines
13 KiB
C++
#include <Debug/ImGuiRenderer.h>
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#include <Renderer/Buffer.h>
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#include <Renderer/Image.h>
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#include <Platform/Inputs.h>
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#include <Core/EventBus.h>
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#undef DebugLog
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#include <imgui.h>
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#include <backends/imgui_impl_sdl2.h>
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#include <backends/imgui_impl_vulkan.h>
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#include <algorithm>
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namespace Scop
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{
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std::string HumanSize(uint64_t bytes)
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{
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std::string_view suffix[] = { "B", "KB", "MB", "GB", "TB" };
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std::size_t length = sizeof(suffix) / sizeof(suffix[0]);
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int i = 0;
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double dbl_bytes = bytes;
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if(bytes > 1024)
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{
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for(i = 0; (bytes / 1024) > 0 && i < length-1; i++, bytes /= 1024)
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dbl_bytes = bytes / 1024.0;
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}
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std::string output(256, 0);
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std::sprintf(output.data(), "%.02lf %s", dbl_bytes, suffix[i].data());
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return output;
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}
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ImGuiRenderer::ImGuiRenderer(NonOwningPtr<Renderer> renderer) : p_renderer(renderer)
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{}
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void ImGuiRenderer::Init(Inputs& inputs)
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{
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std::function<void(const EventBase&)> functor = [this](const EventBase& event)
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{
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if(event.What() == Event::ResizeEventCode)
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{
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kvfDestroyRenderPass(RenderCore::Get().GetDevice(), m_renderpass);
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std::vector<VkAttachmentDescription> attachments;
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const Image& image = p_renderer->GetSwapchain().GetSwapchainImages()[0];
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attachments.push_back(kvfBuildAttachmentDescription(KVF_IMAGE_COLOR, image.GetFormat(), image.GetLayout(), image.GetLayout(), false, VK_SAMPLE_COUNT_1_BIT));
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m_renderpass = kvfCreateRenderPass(RenderCore::Get().GetDevice(), attachments.data(), attachments.size(), VK_PIPELINE_BIND_POINT_GRAPHICS);
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CreateFramebuffers();
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ImGui_ImplVulkan_SetMinImageCount(kvfGetSwapchainMinImagesCount(p_renderer->GetSwapchain().Get()));
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}
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};
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EventBus::RegisterListener({ functor, std::to_string((std::uintptr_t)(void**)this) });
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IMGUI_CHECKVERSION();
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ImGui::CreateContext();
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ImGui::GetIO().IniFilename = nullptr;
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SetTheme();
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VkDescriptorPoolSize pool_sizes[] = {
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{ VK_DESCRIPTOR_TYPE_SAMPLER, 1000 },
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{ VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1000 },
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{ VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE, 1000 },
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{ VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, 1000 },
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{ VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER, 1000 },
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{ VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER, 1000 },
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{ VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1000 },
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{ VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 1000 },
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{ VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC, 1000 },
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{ VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC, 1000 },
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{ VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT, 1000 }
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};
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VkDescriptorPoolCreateInfo pool_info{};
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pool_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
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pool_info.flags = VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT;
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pool_info.maxSets = 1000 * IM_ARRAYSIZE(pool_sizes);
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pool_info.poolSizeCount = (std::uint32_t)IM_ARRAYSIZE(pool_sizes);
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pool_info.pPoolSizes = pool_sizes;
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RenderCore::Get().vkCreateDescriptorPool(RenderCore::Get().GetDevice(), &pool_info, nullptr, &m_pool);
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// Setup Platform/Renderer bindings
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ImGui_ImplVulkan_LoadFunctions([](const char* function_name, void* vulkan_instance) {
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return RenderCore::Get().vkGetInstanceProcAddr(*(reinterpret_cast<VkInstance*>(vulkan_instance)), function_name);
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}, &RenderCore::Get().GetInstanceRef());
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std::vector<VkAttachmentDescription> attachments;
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const Image& image = p_renderer->GetSwapchain().GetSwapchainImages()[0];
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attachments.push_back(kvfBuildAttachmentDescription(KVF_IMAGE_COLOR, image.GetFormat(), image.GetLayout(), image.GetLayout(), false, VK_SAMPLE_COUNT_1_BIT));
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m_renderpass = kvfCreateRenderPass(RenderCore::Get().GetDevice(), attachments.data(), attachments.size(), VK_PIPELINE_BIND_POINT_GRAPHICS);
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CreateFramebuffers();
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ImGui_ImplSDL2_InitForVulkan(p_renderer->GetWindow()->GetSDLWindow());
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ImGui_ImplVulkan_InitInfo init_info{};
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init_info.Instance = RenderCore::Get().GetInstance();
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init_info.PhysicalDevice = RenderCore::Get().GetPhysicalDevice();
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init_info.Device = RenderCore::Get().GetDevice();
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init_info.QueueFamily = kvfGetDeviceQueueFamily(RenderCore::Get().GetDevice(), KVF_GRAPHICS_QUEUE);
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init_info.Queue = kvfGetDeviceQueue(RenderCore::Get().GetDevice(), KVF_GRAPHICS_QUEUE);
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init_info.DescriptorPool = m_pool;
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init_info.Allocator = nullptr;
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init_info.MSAASamples = VK_SAMPLE_COUNT_1_BIT;
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init_info.Subpass = 0;
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init_info.MinImageCount = kvfGetSwapchainMinImagesCount(p_renderer->GetSwapchain().Get());
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init_info.ImageCount = p_renderer->GetSwapchain().GetSwapchainImages().size();
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init_info.CheckVkResultFn = [](VkResult result){ kvfCheckVk(result); };
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init_info.RenderPass = m_renderpass;
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ImGui_ImplVulkan_Init(&init_info);
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inputs.AddEventUpdateHook(ImGui_ImplSDL2_ProcessEvent);
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}
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void ImGuiRenderer::Destroy()
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{
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RenderCore::Get().WaitDeviceIdle();
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for(VkFramebuffer fb : m_framebuffers)
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kvfDestroyFramebuffer(RenderCore::Get().GetDevice(), fb);
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m_framebuffers.clear();
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ImGui_ImplVulkan_Shutdown();
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ImGui_ImplSDL2_Shutdown();
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ImGui::DestroyContext();
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kvfDestroyRenderPass(RenderCore::Get().GetDevice(), m_renderpass);
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RenderCore::Get().vkDestroyDescriptorPool(RenderCore::Get().GetDevice(), m_pool, nullptr);
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}
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bool ImGuiRenderer::BeginFrame()
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{
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ImGui_ImplVulkan_NewFrame();
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ImGui_ImplSDL2_NewFrame();
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ImGui::NewFrame();
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return true;
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}
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void ImGuiRenderer::DisplayRenderStatistics()
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{
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static std::array<std::string, 5> gpu_types_string = {
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"Other",
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"Integrated",
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"Graphics Card",
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"Virtual",
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"CPU"
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};
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static std::array<float, 1000> frame_histogram;
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float delta = ImGui::GetIO().DeltaTime;
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ImGui::SetNextWindowPos(ImVec2{ 20.0f, 20.0f }, ImGuiCond_FirstUseEver);
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if(ImGui::Begin("Render Statistics", nullptr, ImGuiWindowFlags_NoResize))
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{
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VkPhysicalDeviceProperties props;
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RenderCore::Get().vkGetPhysicalDeviceProperties(RenderCore::Get().GetPhysicalDevice(), &props);
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ImGui::Text("GPU in use:\n%s", props.deviceName);
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ImGui::Text("GPU type: %s", gpu_types_string[static_cast<int>(props.deviceType)].c_str());
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ImGui::Separator();
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ImGui::Text("Frame time %.3fms", delta);
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ImGui::PlotLines("##Frames_Histogram", frame_histogram.data(), frame_histogram.size(), 0, nullptr, 0.0f, 1.0f, ImVec2(ImGui::GetContentRegionAvail().x, 40.0f));
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ImGui::Text("FPS %.0f", ImGui::GetIO().Framerate);
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ImGui::Separator();
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ImGui::Text("Swapchain images count %ld", p_renderer->GetSwapchain().GetSwapchainImages().size());
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ImGui::Text("Drawcalls %ld", p_renderer->GetDrawCallsCounterRef());
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ImGui::Text("Polygon drawn %ld", p_renderer->GetPolygonDrawnCounterRef());
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ImGui::Separator();
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ImGui::Text("VRAM usage %s", HumanSize(RenderCore::Get().GetAllocator().GetVramUsage()).c_str());
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ImGui::Text("Host visible usage %s", HumanSize(RenderCore::Get().GetAllocator().GetVramHostVisibleUsage()).c_str());
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ImGui::Text("Allocations count %ld / %u", RenderCore::Get().GetAllocator().GetAllocationsCount(), props.limits.maxMemoryAllocationCount);
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ImGui::Text("Buffer count %ld", GPUBuffer::GetBufferCount());
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ImGui::Text("Image count %ld", Image::GetImageCount());
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ImGui::Separator();
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ImGui::Text("Window dimensions: %ux%u", p_renderer->GetWindow()->GetWidth(), p_renderer->GetWindow()->GetHeight());
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}
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ImGui::End();
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std::rotate(frame_histogram.begin(), frame_histogram.begin() + 1, frame_histogram.end());
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frame_histogram.back() = delta;
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}
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void ImGuiRenderer::EndFrame()
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{
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VkFramebuffer fb = m_framebuffers[p_renderer->GetSwapchain().GetImageIndex()];
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ImGui::Render();
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ImDrawData* draw_data = ImGui::GetDrawData();
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if(draw_data->DisplaySize.x >= 0.0f && draw_data->DisplaySize.y >= 0.0f)
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{
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VkExtent2D fb_extent = kvfGetFramebufferSize(fb);
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kvfBeginRenderPass(m_renderpass, p_renderer->GetActiveCommandBuffer(), fb, fb_extent, nullptr, 0);
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ImGui_ImplVulkan_RenderDrawData(draw_data, p_renderer->GetActiveCommandBuffer());
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RenderCore::Get().vkCmdEndRenderPass(p_renderer->GetActiveCommandBuffer());
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}
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}
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void ImGuiRenderer::CreateFramebuffers()
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{
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for(VkFramebuffer fb : m_framebuffers)
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kvfDestroyFramebuffer(RenderCore::Get().GetDevice(), fb);
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m_framebuffers.clear();
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std::vector<VkAttachmentDescription> attachments;
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std::vector<VkImageView> attachment_views;
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const Image& image = p_renderer->GetSwapchain().GetSwapchainImages()[0];
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attachments.push_back(kvfBuildAttachmentDescription((kvfIsDepthFormat(image.GetFormat()) ? KVF_IMAGE_DEPTH : KVF_IMAGE_COLOR), image.GetFormat(), image.GetLayout(), image.GetLayout(), false, VK_SAMPLE_COUNT_1_BIT));
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attachment_views.push_back(image.GetImageView());
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for(const Image& image : p_renderer->GetSwapchain().GetSwapchainImages())
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{
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attachment_views[0] = image.GetImageView();
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m_framebuffers.push_back(kvfCreateFramebuffer(RenderCore::Get().GetDevice(), m_renderpass, attachment_views.data(), attachment_views.size(), { .width = image.GetWidth(), .height = image.GetHeight() }));
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}
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}
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void ImGuiRenderer::SetTheme()
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{
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ImGuiStyle* style = &ImGui::GetStyle();
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ImVec4* colors = style->Colors;
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ImGui::StyleColorsDark();
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colors[ImGuiCol_Text] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
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colors[ImGuiCol_TextDisabled] = ImVec4(0.50f, 0.50f, 0.50f, 1.00f);
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colors[ImGuiCol_WindowBg] = ImVec4(0.10f, 0.10f, 0.10f, 0.50f);
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colors[ImGuiCol_ChildBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.20f);
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colors[ImGuiCol_PopupBg] = ImVec4(0.19f, 0.19f, 0.19f, 0.92f);
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colors[ImGuiCol_Border] = ImVec4(0.05f, 0.05f, 0.05f, 1.00f);
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colors[ImGuiCol_BorderShadow] = ImVec4(0.05f, 0.05f, 0.05f, 0.24f);
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colors[ImGuiCol_FrameBg] = ImVec4(0.05f, 0.05f, 0.05f, 0.54f);
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colors[ImGuiCol_FrameBgHovered] = ImVec4(0.19f, 0.19f, 0.19f, 0.54f);
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colors[ImGuiCol_FrameBgActive] = ImVec4(0.20f, 0.22f, 0.23f, 1.00f);
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colors[ImGuiCol_TitleBg] = ImVec4(0.05f, 0.05f, 0.05f, 1.00f);
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colors[ImGuiCol_TitleBgActive] = ImVec4(0.05f, 0.05f, 0.05f, 1.00f);
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colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.05f, 0.05f, 0.05f, 1.00f);
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colors[ImGuiCol_MenuBarBg] = ImVec4(0.05f, 0.05f, 0.05f, 1.00f);
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colors[ImGuiCol_ScrollbarBg] = ImVec4(0.05f, 0.05f, 0.05f, 0.54f);
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colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.34f, 0.34f, 0.34f, 0.54f);
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colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.40f, 0.40f, 0.40f, 0.54f);
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colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.56f, 0.56f, 0.56f, 0.54f);
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colors[ImGuiCol_CheckMark] = ImVec4(0.33f, 0.67f, 0.86f, 1.00f);
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colors[ImGuiCol_SliderGrab] = ImVec4(0.34f, 0.34f, 0.34f, 0.54f);
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colors[ImGuiCol_SliderGrabActive] = ImVec4(0.56f, 0.56f, 0.56f, 0.54f);
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colors[ImGuiCol_Button] = ImVec4(0.05f, 0.05f, 0.05f, 0.54f);
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colors[ImGuiCol_ButtonHovered] = ImVec4(0.19f, 0.19f, 0.19f, 0.54f);
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colors[ImGuiCol_ButtonActive] = ImVec4(0.20f, 0.22f, 0.23f, 1.00f);
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colors[ImGuiCol_Header] = ImVec4(0.05f, 0.05f, 0.05f, 0.52f);
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colors[ImGuiCol_HeaderHovered] = ImVec4(0.05f, 0.05f, 0.05f, 0.36f);
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colors[ImGuiCol_HeaderActive] = ImVec4(0.20f, 0.22f, 0.23f, 0.33f);
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colors[ImGuiCol_Separator] = ImVec4(0.05f, 0.05f, 0.05f, 1.00f);
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colors[ImGuiCol_SeparatorHovered] = ImVec4(0.44f, 0.44f, 0.44f, 0.29f);
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colors[ImGuiCol_SeparatorActive] = ImVec4(0.40f, 0.44f, 0.47f, 1.00f);
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colors[ImGuiCol_ResizeGrip] = ImVec4(0.28f, 0.28f, 0.28f, 0.29f);
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colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.44f, 0.44f, 0.44f, 0.29f);
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colors[ImGuiCol_ResizeGripActive] = ImVec4(0.40f, 0.44f, 0.47f, 1.00f);
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colors[ImGuiCol_Tab] = ImVec4(0.05f, 0.05f, 0.05f, 0.52f);
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colors[ImGuiCol_TabHovered] = ImVec4(0.14f, 0.14f, 0.14f, 1.00f);
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colors[ImGuiCol_TabActive] = ImVec4(0.10f, 0.10f, 0.10f, 1.00f);
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colors[ImGuiCol_TabUnfocused] = ImVec4(0.05f, 0.05f, 0.05f, 0.52f);
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colors[ImGuiCol_TabUnfocusedActive] = ImVec4(0.10f, 0.10f, 0.10f, 1.00f);
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colors[ImGuiCol_PlotLines] = ImVec4(1.00f, 0.00f, 0.00f, 1.00f);
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colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.00f, 0.00f, 1.00f);
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colors[ImGuiCol_PlotHistogram] = ImVec4(1.00f, 0.00f, 0.00f, 1.00f);
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colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.00f, 0.00f, 1.00f);
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colors[ImGuiCol_TableHeaderBg] = ImVec4(0.05f, 0.05f, 0.05f, 0.52f);
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colors[ImGuiCol_TableBorderStrong] = ImVec4(0.05f, 0.05f, 0.05f, 0.52f);
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colors[ImGuiCol_TableBorderLight] = ImVec4(0.28f, 0.28f, 0.28f, 0.29f);
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colors[ImGuiCol_TableRowBg] = ImVec4(0.05f, 0.05f, 0.05f, 0.00f);
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colors[ImGuiCol_TableRowBgAlt] = ImVec4(1.00f, 1.00f, 1.00f, 0.06f);
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colors[ImGuiCol_TextSelectedBg] = ImVec4(0.20f, 0.22f, 0.23f, 1.00f);
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colors[ImGuiCol_DragDropTarget] = ImVec4(0.33f, 0.67f, 0.86f, 1.00f);
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colors[ImGuiCol_NavHighlight] = ImVec4(1.00f, 0.00f, 0.00f, 1.00f);
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colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 0.00f, 0.00f, 0.70f);
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colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.35f);
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colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.35f);
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style->ChildRounding = 4.0f;
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style->FrameBorderSize = 1.0f;
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style->FrameRounding = 4.0f;
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style->GrabMinSize = 7.0f;
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style->PopupRounding = 2.0f;
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style->ScrollbarRounding = 12.0f;
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style->ScrollbarSize = 13.0f;
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style->TabBorderSize = 0.0f;
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style->TabRounding = 5.0f;
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style->WindowRounding = 0.0f;
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style->WindowBorderSize = 1.0f;
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style->AntiAliasedLines = true;
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style->AntiAliasedFill = true;
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style->TabBorderSize = 2.0f;
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}
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}
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