Basic initial work to replace Qt

src/frontend/EmuThread.hpp

@@ -1,6 +1,5 @@
 #pragma once
 #include <Discord.hpp>
-#include <QThread>
 #include <RenderWidget.hpp>
 #include <SettingsWindow.hpp>
 #include <memory>
@@ -9,14 +8,13 @@ namespace n64 {
 struct Core;
 }
 
-class EmuThread final : public QThread {
-  Q_OBJECT
+class EmuThread final {
   RenderWidget &renderWidget;
 
 public:
-  explicit EmuThread(const std::shared_ptr<n64::Core> &, QLabel &, RenderWidget &, SettingsWindow &) noexcept;
+  explicit EmuThread(const std::shared_ptr<n64::Core> &, RenderWidget &, SettingsWindow &) noexcept;
 
-  void run() noexcept override;
+  void run() noexcept;
   void TogglePause() const noexcept;
   void SetRender(bool v) const noexcept;
   void Reset() const noexcept;
@@ -24,5 +22,4 @@ public:
 
   std::shared_ptr<n64::Core> core;
   SettingsWindow &settings;
-  QLabel &fps;
 };

src/frontend/KaizenQt.hpp

@@ -22,16 +22,11 @@ static CompositorCategory GetOSCompositorCategory() {
   return CompositorCategory::Windows;
 }
 
-class KaizenQt : public QWidget {
-  Q_OBJECT
+class KaizenQt {
 public:
   KaizenQt() noexcept;
-  void LoadTAS(const QString &path) const noexcept;
-  void LoadROM(const QString &path) const noexcept;
-  void dropEvent(QDropEvent *) override;
-  void dragEnterEvent(QDragEnterEvent *) override;
-  void keyPressEvent(QKeyEvent *) override;
-  void keyReleaseEvent(QKeyEvent *) override;
+  void LoadTAS(const std::string &path) const noexcept;
+  void LoadROM(const std::string &path) const noexcept;
 
 private:
   void Quit() const noexcept;

src/frontend/RenderWidget.hpp

@@ -1,70 +1,53 @@
 #pragma once
 #undef signals
 #include <ParallelRDPWrapper.hpp>
-#include <QVulkanWindow>
-#include <QWidget>
-#include <QWindow>
-#include <SDL3/SDL_gamepad.h>
+#include <SDL3/SDL.h>
+#include <SDL3/SDL_vulkan.h>
 
 namespace n64 {
 struct Core;
 }
 
-struct QtInstanceFactory final : Vulkan::InstanceFactory {
+struct ImGuiInstanceFactory final : Vulkan::InstanceFactory {
   VkInstance create_instance(const VkInstanceCreateInfo *info) override {
-    handle.setApiVersion({1, 3, 0});
-    QByteArrayList exts;
-    exts.resize(info->enabledExtensionCount);
-    for (int i = 0; i < info->enabledExtensionCount; i++) {
-      exts[i] = info->ppEnabledExtensionNames[i];
-    }
-
-    QByteArrayList layers;
-    layers.resize(info->enabledExtensionCount);
-    for (int i = 0; i < info->enabledLayerCount; i++) {
-      layers[i] = info->ppEnabledLayerNames[i];
-    }
-
-    handle.setExtensions(exts);
-    handle.setLayers(layers);
-    handle.setApiVersion({1, 3, 0});
-    handle.create();
-
-    return handle.vkInstance();
   }
 
-  QVulkanInstance handle;
+  VkInstance instance;
 };
 
-class QtParallelRdpWindowInfo final : public ParallelRDP::WindowInfo {
+class ImGuiParallelRdpWindowInfo final : public ParallelRDP::WindowInfo {
 public:
-  explicit QtParallelRdpWindowInfo(QWindow *window) : window(window) {}
+  explicit ImGuiParallelRdpWindowInfo(SDL_Window *window) : window(window) {}
   CoordinatePair get_window_size() override {
-    return CoordinatePair{static_cast<float>(window->width()), static_cast<float>(window->height())};
+    int w,h;
+    SDL_GetWindowSizeInPixels(window.get(), &w, &h);
+    return CoordinatePair{static_cast<float>(w), static_cast<float>(h)};
   }
 
 private:
-  std::shared_ptr<QWindow> window{};
+  std::shared_ptr<SDL_Window> window{};
 };
 
-class QtWSIPlatform final : public Vulkan::WSIPlatform {
+class ImGuiWSIPlatform final : public Vulkan::WSIPlatform {
 public:
-  explicit QtWSIPlatform(const std::shared_ptr<n64::Core> &core, QWindow *window) : window(window), core(core) {}
+  explicit ImGuiWSIPlatform(const std::shared_ptr<n64::Core> &core, SDL_Window *window) : window(window), core(core) {}
 
   std::vector<const char *> get_instance_extensions() override {
     auto vec = std::vector<const char *>();
-    const auto &extensions = window->vulkanInstance()->supportedExtensions();
-    vec.reserve(extensions.size());
+    u32 extCount;
+    const auto &extensions = SDL_Vulkan_GetInstanceExtensions(&extCount);
+    vec.reserve(extCount);
 
-    for (const auto &[name, _] : extensions) {
-      vec.emplace_back(name);
+    for (u32 i = 0; i < extCount; i++) {
+      vec.emplace_back(extensions[i]);
     }
 
     return vec;
   }
 
-  VkSurfaceKHR create_surface(VkInstance, VkPhysicalDevice) override {
-    return QVulkanInstance::surfaceForWindow(window.get());
+  VkSurfaceKHR create_surface(VkInstance instance, VkPhysicalDevice pDevice) override {
+    SDL_Vulkan_CreateSurface(window.get(), instance, nullptr, &surface);
+    return surface;
   }
 
   void destroy_surface(VkInstance, VkSurfaceKHR) override {}
@@ -87,8 +70,8 @@ public:
 
   VkApplicationInfo appInfo{.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO, .apiVersion = VK_API_VERSION_1_3};
 
-  std::shared_ptr<QWindow> window{};
-
+  std::shared_ptr<SDL_Window> window{};
+  VkSurfaceKHR surface;
 private:
   std::shared_ptr<n64::Core> core;
   SDL_Gamepad *gamepad{};
@@ -96,16 +79,12 @@ private:
   bool canPollEvents = true;
 };
 
-class RenderWidget final : public QWidget {
+class RenderWidget final {
 public:
-  [[nodiscard]] VkInstance instance() const { return qtVkInstanceFactory->handle.vkInstance(); }
+  [[nodiscard]] VkInstance instance() const { return imGuiVkInstanceFactory->instance; }
   explicit RenderWidget(const std::shared_ptr<n64::Core> &);
 
-  [[nodiscard]] QPaintEngine *paintEngine() const override { return nullptr; }
   std::shared_ptr<ParallelRDP::WindowInfo> windowInfo;
-  std::shared_ptr<QtWSIPlatform> wsiPlatform;
-  std::shared_ptr<QtInstanceFactory> qtVkInstanceFactory;
-Q_SIGNALS:
-  void Show() { show(); }
-  void Hide() { hide(); }
+  std::shared_ptr<ImGuiWSIPlatform> wsiPlatform;
+  std::shared_ptr<ImGuiInstanceFactory> imGuiVkInstanceFactory;
 };