Make SDL context part of the RenderWidget. Much cleaner

external/parallel-rdp/ParallelRDPWrapper.cpp

@@ -33,7 +33,7 @@ static void check_vk_result(VkResult err) {
 
 void ParallelRDP::LoadWSIPlatform(const std::shared_ptr<InstanceFactory> &instanceFactory,
                                   const std::shared_ptr<WSIPlatform> &wsi_platform,
-                                  const std::shared_ptr<WindowInfo> &newWindowInfo, void *winPtr) {
+                                  const std::shared_ptr<WindowInfo> &newWindowInfo) {
   wsi = std::make_shared<WSI>();
   wsi->set_backbuffer_srgb(false);
   wsi->set_platform(wsi_platform.get());
@@ -45,39 +45,17 @@ void ParallelRDP::LoadWSIPlatform(const std::shared_ptr<InstanceFactory> &instan
 
   windowInfo = newWindowInfo;
 
-  auto props = SDL_CreateProperties();
-#ifdef SDL_PLATFORM_LINUX
-  SDL_SetPointerProperty(props, SDL_PROP_WINDOW_CREATE_WAYLAND_WL_SURFACE_POINTER, winPtr);
-  SDL_SetNumberProperty(props, SDL_PROP_WINDOW_X11_WINDOW_NUMBER, static_cast<s64>winPtr);
-#elif SDL_PLATFORM_WINDOWS
-  SDL_SetPointerProperty(props, SDL_PROP_WINDOW_CREATE_WIN32_HWND_POINTER, winPtr);
-#else
-  SDL_SetPointerProperty(props, SDL_PROP_WINDOW_CREATE_COCOA_WINDOW_POINTER, winPtr);
-#endif
-  SDLWindow = SDL_CreateWindowWithProperties(props);
-
   auto instance = wsi->get_context().get_instance();
 
   volkInitialize();
   volkLoadInstance(instance);
 
-  IMGUI_CHECKVERSION();
-  ImGui::CreateContext();
-  ImGuiIO &io = ImGui::GetIO();
-  (void)io;
-  io.ConfigFlags |= ImGuiConfigFlags_DockingEnable;
-  io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable;
-
-  ImGui::StyleColorsDark();
-
   ImGui_ImplVulkan_LoadFunctions(
     [](const char *function_name, void *instance) {
       return vkGetInstanceProcAddr(static_cast<VkInstance>(instance), function_name);
     },
     instance);
 
-  ImGui_ImplSDL3_InitForVulkan(SDLWindow);
-
   ImGui_ImplVulkan_InitInfo init_info = {};
   init_info.Instance = instance;
   init_info.PhysicalDevice = wsi->get_device().get_physical_device();
@@ -114,8 +92,8 @@ void ParallelRDP::LoadWSIPlatform(const std::shared_ptr<InstanceFactory> &instan
 }
 
 void ParallelRDP::Init(const std::shared_ptr<InstanceFactory> &factory, const std::shared_ptr<WSIPlatform> &wsiPlatform,
-                       const std::shared_ptr<WindowInfo> &newWindowInfo, const u8 *rdram, void *winPtr) {
-  LoadWSIPlatform(factory, wsiPlatform, newWindowInfo, winPtr);
+                       const std::shared_ptr<WindowInfo> &newWindowInfo, const u8 *rdram) {
+  LoadWSIPlatform(factory, wsiPlatform, newWindowInfo);
 
   ResourceLayout vertLayout;
   ResourceLayout fragLayout;
@@ -222,17 +200,10 @@ void ParallelRDP::UpdateScreen(Util::IntrusivePtr<Image> image) const {
   cmd->begin_render_pass(wsi->get_device().get_swapchain_render_pass(SwapchainRenderPass::ColorOnly));
   DrawFullscreenTexturedQuad(image, cmd);
 
-  SDL_Event event;
-  while (SDL_PollEvent(&event)) {
-    ImGui_ImplSDL3_ProcessEvent(&event);
-  }
-
   ImGui_ImplVulkan_NewFrame();
   ImGui_ImplSDL3_NewFrame();
   ImGui::NewFrame();
 
-  ImGui::ShowDemoWindow();
-
   ImGui::Render();
   ImGui_ImplVulkan_RenderDrawData(ImGui::GetDrawData(), cmd->get_command_buffer());
 

external/parallel-rdp/ParallelRDPWrapper.hpp

@@ -17,7 +17,7 @@ public:
   };
 
   void Init(const std::shared_ptr<Vulkan::InstanceFactory> &, const std::shared_ptr<Vulkan::WSIPlatform> &,
-            const std::shared_ptr<WindowInfo> &, const u8 *, void *);
+            const std::shared_ptr<WindowInfo> &, const u8 *);
   ParallelRDP() = default;
 
   void UpdateScreen(const n64::VI &) const;
@@ -28,12 +28,11 @@ public:
 
 private:
   void LoadWSIPlatform(const std::shared_ptr<Vulkan::InstanceFactory> &, const std::shared_ptr<Vulkan::WSIPlatform> &,
-                       const std::shared_ptr<WindowInfo> &, void *);
+                       const std::shared_ptr<WindowInfo> &);
   void DrawFullscreenTexturedQuad(Util::IntrusivePtr<Vulkan::Image>, Util::IntrusivePtr<Vulkan::CommandBuffer>) const;
   void UpdateScreen(Util::IntrusivePtr<Vulkan::Image>) const;
 
   std::shared_ptr<Vulkan::WSI> wsi;
   std::shared_ptr<RDP::CommandProcessor> command_processor;
   std::shared_ptr<WindowInfo> windowInfo;
-  SDL_Window *SDLWindow;
 };

src/frontend/EmuThread.cpp

@@ -7,8 +7,7 @@ EmuThread::EmuThread(const std::shared_ptr<QtInstanceFactory> &instance_,
     instance(instance_), wsiPlatform(wsiPlatform_), windowInfo(windowInfo_), core(parallel), settings(settings) {}
 
 [[noreturn]] void EmuThread::run() noexcept {
-  parallel.Init(instance, wsiPlatform, windowInfo, core.cpu->GetMem().GetRDRAMPtr(),
-                reinterpret_cast<void *>(wsiPlatform->get_native_window()));
+  parallel.Init(instance, wsiPlatform, windowInfo, core.cpu->GetMem().GetRDRAMPtr());
   SDL_InitSubSystem(SDL_INIT_GAMEPAD);
   bool controllerConnected = false;
 

src/frontend/RenderWidget.cpp

@@ -1,5 +1,8 @@
 #include <KaizenQt.hpp>
 #include <RenderWidget.hpp>
+#include <imgui.h>
+#include <imgui_impl_sdl3.h>
+#include <imgui_impl_vulkan.h>
 
 RenderWidget::RenderWidget(QWidget *parent) : QWidget(parent) {
   setAttribute(Qt::WA_NativeWindow);
@@ -24,4 +27,38 @@ RenderWidget::RenderWidget(QWidget *parent) : QWidget(parent) {
 
   wsiPlatform = std::make_unique<QtWSIPlatform>(windowHandle());
   windowInfo = std::make_unique<QtParallelRdpWindowInfo>(windowHandle());
+
+  auto winPtr = reinterpret_cast<void *>(winId());
+  auto props = SDL_CreateProperties();
+#ifdef SDL_PLATFORM_LINUX
+  SDL_SetPointerProperty(props, SDL_PROP_WINDOW_CREATE_WAYLAND_WL_SURFACE_POINTER, winPtr);
+  SDL_SetNumberProperty(props, SDL_PROP_WINDOW_X11_WINDOW_NUMBER, static_cast<s64> winPtr);
+#elif SDL_PLATFORM_WINDOWS
+  SDL_SetPointerProperty(props, SDL_PROP_WINDOW_CREATE_WIN32_HWND_POINTER, winPtr);
+#else
+  SDL_SetPointerProperty(props, SDL_PROP_WINDOW_CREATE_COCOA_WINDOW_POINTER, winPtr);
+#endif
+  sdlWindow = SDL_CreateWindowWithProperties(props);
+
+  IMGUI_CHECKVERSION();
+  ImGui::CreateContext();
+  ImGuiIO &io = ImGui::GetIO();
+  (void)io;
+  io.ConfigFlags |= ImGuiConfigFlags_DockingEnable;
+  io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable;
+
+  ImGui::StyleColorsDark();
+
+  ImGui_ImplSDL3_InitForVulkan(sdlWindow);
+
+  connect(&timer, &QTimer::timeout, this, &RenderWidget::UpdateEvents);
+  timer.setInterval(16);
+  timer.start();
+}
+
+void RenderWidget::UpdateEvents() {
+  SDL_Event event;
+  while (SDL_PollEvent(&event)) {
+    ImGui_ImplSDL3_ProcessEvent(&event);
+  }
 }

src/frontend/RenderWidget.hpp

@@ -5,12 +5,9 @@
 #include <QVulkanWindow>
 #include <QWidget>
 #include <QWindow>
+#include <QTimer>
 
-#include <imgui.h>
-#include <imgui_impl_sdl3.h>
-#include <imgui_impl_vulkan.h>
 #include <SDL3/SDL.h>
-#include <SDL3/SDL_vulkan.h>
 
 struct QtInstanceFactory : Vulkan::InstanceFactory {
   VkInstance create_instance(const VkInstanceCreateInfo *info) override {
@@ -84,6 +81,10 @@ public:
 };
 
 class RenderWidget : public QWidget {
+  SDL_Window *sdlWindow;
+  QTimer timer;
+  void UpdateEvents();
+
 public:
   explicit RenderWidget(QWidget *parent);
 
@@ -91,7 +92,7 @@ public:
 
   std::unique_ptr<ParallelRDP::WindowInfo> windowInfo;
   std::unique_ptr<Vulkan::WSIPlatform> wsiPlatform;
-  std::unique_ptr<QtInstanceFactory> instance;
+  std::unique_ptr<QtInstanceFactory> instance;  
 Q_SIGNALS:
   void Show() { show(); }
   void Hide() { hide(); }