doesnt quite work yet

2025-05-19 07:01:26 +02:00
parent 6cf2e7ab70
commit be711bf5b3
4 changed files with 123 additions and 2 deletions
--- a/src/frontend/KaizenGui.cpp
+++ b/src/frontend/KaizenGui.cpp
@@ -2,8 +2,128 @@
 #include <nfd.hpp>
 #include <backend/Core.hpp>
 #include <ImGuiImpl/StatusBar.hpp>
+#include <imgui.h>
+#include <imgui_impl_sdl3.h>
+#include <imgui_impl_vulkan.h>
+
+static void check_vk_result(VkResult err)
+{
+  if (err == 0)
+    return;
+  fprintf(stderr, "[vulkan] Error: VkResult = %d\n", err);
+  if (err < 0)
+    abort();
+}
+
+void KaizenGui::InitImGui() {
+  IMGUI_CHECKVERSION();
+  ImGui::CreateContext();
+  ImGuiIO& io = ImGui::GetIO();
+  (void)io;
+
+  // Setup Dear ImGui style
+  ImGui::StyleColorsDark();
+
+  ParallelRDP& prdp = core->parallel;
+  Vulkan::WSI& wsi = *prdp.wsi.get();
+  volkInitialize();
+  volkLoadInstance(wsi.get_context().get_instance());
+  ImGui_ImplVulkan_LoadFunctions(VK_API_VERSION_1_3, [](const char* function_name, void* userdata) {
+    auto wsi = (Vulkan::WSI*)userdata;
+    return vkGetInstanceProcAddr(wsi->get_context().get_instance(), function_name); 
+  }, &wsi);
+
+  ImGui_ImplVulkan_InitInfo init_info = {};
+  // Create Descriptor Pool
+  {
+    VkDescriptorPoolSize pool_sizes[] =
+    {
+      { VK_DESCRIPTOR_TYPE_SAMPLER, 1000 },
+      { VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1000 },
+      { VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE, 1000 },
+      { VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, 1000 },
+      { VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER, 1000 },
+      { VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER, 1000 },
+      { VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1000 },
+      { VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 1000 },
+      { VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC, 1000 },
+      { VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC, 1000 },
+      { VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT, 1000 }
+    };
+    VkDescriptorPoolCreateInfo pool_info = {};
+    pool_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
+    pool_info.flags = VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT;
+    pool_info.maxSets = 1000 * IM_ARRAYSIZE(pool_sizes);
+    pool_info.poolSizeCount = (uint32_t)IM_ARRAYSIZE(pool_sizes);
+    pool_info.pPoolSizes = pool_sizes;
+    auto err = vkCreateDescriptorPool(wsi.get_context().get_device(), &pool_info, nullptr, &init_info.DescriptorPool);
+    check_vk_result(err);
+  }
+
+  // Create the Render Pass
+  VkRenderPass renderPass;
+  {
+      VkAttachmentDescription attachment = {};
+      attachment.format = wsi.get_device().get_swapchain_view().get_format();
+      attachment.samples = VK_SAMPLE_COUNT_1_BIT;
+      attachment.loadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
+      attachment.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
+      attachment.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
+      attachment.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
+      attachment.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
+      attachment.finalLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
+      VkAttachmentReference color_attachment = {};
+      color_attachment.attachment = 0;
+      color_attachment.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
+      VkSubpassDescription subpass = {};
+      subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
+      subpass.colorAttachmentCount = 1;
+      subpass.pColorAttachments = &color_attachment;
+      VkSubpassDependency dependency = {};
+      dependency.srcSubpass = VK_SUBPASS_EXTERNAL;
+      dependency.dstSubpass = 0;
+      dependency.srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
+      dependency.dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
+      dependency.srcAccessMask = 0;
+      dependency.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
+      VkRenderPassCreateInfo info = {};
+      info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
+      info.attachmentCount = 1;
+      info.pAttachments = &attachment;
+      info.subpassCount = 1;
+      info.pSubpasses = &subpass;
+      info.dependencyCount = 1;
+      info.pDependencies = &dependency;
+      auto err = vkCreateRenderPass(wsi.get_context().get_device(), &info, nullptr, &renderPass);
+      check_vk_result(err);
+  }
+
+  // Setup Platform/Renderer backends
+  ImGui_ImplSDL3_InitForVulkan(window.getHandle());
+  init_info.Instance = wsi.get_context().get_instance();
+  init_info.PhysicalDevice = wsi.get_context().get_gpu();
+  init_info.Device = wsi.get_context().get_device();
+  init_info.QueueFamily = wsi.get_context().get_queue_info().family_indices[Vulkan::QUEUE_INDEX_GRAPHICS];
+  init_info.Queue = wsi.get_context().get_queue_info().queues[Vulkan::QUEUE_INDEX_GRAPHICS];
+  init_info.PipelineCache = nullptr;
+  init_info.Allocator = nullptr;
+  init_info.MinImageCount = 2;
+  init_info.ImageCount = 2;
+  init_info.RenderPass = renderPass;
+  init_info.CheckVkResultFn = check_vk_result;
+
+  ImGui_ImplVulkan_Init(&init_info);
+
+  io.Fonts->AddFontDefault();
+  {
+      ImGui_ImplVulkan_CreateFontsTexture();
+  }
+}

 KaizenGui::KaizenGui() noexcept : window("Kaizen", 1280, 720), core(std::make_shared<n64::Core>()), vulkanWidget(core, window.getHandle()), emuThread(core, fpsCounter, vulkanWidget, settingsWindow) {  
+  core->parallel.Init(vulkanWidget.wsiPlatform, vulkanWidget.windowInfo, core->cpu->GetMem().GetRDRAMPtr());
+  InitImGui();
+
  emuExitFunc = [&]() {
    quit = true;
    if (emuThread.isRunning) {