imgui

src/engine/Shared.h

@@ -63,8 +63,14 @@ struct PerfCounter
     }
 };
 
+class SDL_Window;
+union SDL_Event;
+
 struct SharedWindowData
 {
+    SDL_Window* SDLWindow = nullptr;
+    SDL_Event* SDLEvents{nullptr};
+    uint16_t SDLEventCount = 0;
     void* Handle = nullptr;
     int32_t WindowWidth = 1920;
     int32_t WindowHeight = 1080;

src/engine/Window.cpp

@@ -3,9 +3,7 @@
 #include "Shared.h"
 #include "Window.h"
 #include <SDL3/SDL.h>
-#include <backends/imgui_impl_sdl3.h>
 #include <cstdio>
-#include <imgui.h>
 
 void EngineWindow::Startup(SharedWindowData& shared)
 {
@@ -29,29 +27,28 @@ void EngineWindow::Startup(SharedWindowData& shared)
         printf("Failed to get window pointer!\n");
         return;
     }
+    shared.SDLWindow = Window;
     // SDL_SetWindowRelativeMouseMode(Window, true);
-
-    IMGUI_CHECKVERSION();
-    auto* imguiCtx = ImGui::CreateContext();
-    if (imguiCtx == nullptr)
-    {
-        printf("Failed to set up imgui context!\n");
-        return;
-    }
-    if (!ImGui_ImplSDL3_InitForVulkan(Window))
-    {
-        printf("Failed to set up imgui implementation!\n");
-        return;
-    }
 }
 
 void EngineWindow::Update(SharedWindowData& shared)
 {
     START_PERF();
+    shared.SDLEvents = &EventBuffer[0];
+
     SDL_Event evt;
     while (SDL_PollEvent(&evt))
     {
-        ImGui_ImplSDL3_ProcessEvent(&evt);
+        if (shared.SDLEventCount < MaxEventBufferSize)
+        {
+            EventBuffer[shared.SDLEventCount] = evt;
+            ++shared.SDLEventCount;
+        }
+        else
+        {
+            printf("Warning: Skipping SDL event!\n");
+        }
+
         switch (evt.type)
         {
         case SDL_EVENT_WINDOW_RESIZED:

src/engine/Window.h

@@ -4,9 +4,12 @@
 
 class EngineWindow
 {
+    static constexpr uint32_t MaxEventBufferSize = 16;
+
   public:
     SDL_Window* Window;
     bool CloseRequested = false;
+    SDL_Event EventBuffer[MaxEventBufferSize];
 
   public:
     void Startup(SharedWindowData& Shared);