Switched to imgui fork https://github.com/thedmd/imgui/commits/feature/docking-layout-external/ commit 899d85eb9489796f73a4dc67ad86892729707ce9

3rdparty/imgui/examples/example_sdl2_sdlrenderer2/main.cpp

@@ -47,7 +47,7 @@ int main(int, char**)
     if (renderer == nullptr)
     {
         SDL_Log("Error creating SDL_Renderer!");
-        return -1;
+        return 0;
     }
     //SDL_RendererInfo info;
     //SDL_GetRendererInfo(renderer, &info);
@@ -108,11 +108,6 @@ int main(int, char**)
             if (event.type == SDL_WINDOWEVENT && event.window.event == SDL_WINDOWEVENT_CLOSE && event.window.windowID == SDL_GetWindowID(window))
                 done = true;
         }
-        if (SDL_GetWindowFlags(window) & SDL_WINDOW_MINIMIZED)
-        {
-            SDL_Delay(10);
-            continue;
-        }
 
         // Start the Dear ImGui frame
         ImGui_ImplSDLRenderer2_NewFrame();