From b3c5626b1ff0b64b6c09e798087bf3d445b15104 Mon Sep 17 00:00:00 2001
From: moonpower <xxmoonpower1234xx@gmail.com>
Date: Fri, 26 Dec 2025 02:48:40 +0100
Subject: [PATCH] Backends: Initialize and shutdown renderer backend for
 SDL_Surface

---
 backends/imgui_impl_sdlsurface2.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/backends/imgui_impl_sdlsurface2.cpp b/backends/imgui_impl_sdlsurface2.cpp
index 75092fe4b..5ee9ead66 100644
--- a/backends/imgui_impl_sdlsurface2.cpp
+++ b/backends/imgui_impl_sdlsurface2.cpp
@@ -119,6 +119,12 @@ SDL_Surface* ImGui_ImplSDLSurface2_CreateFontAtlasSurface()
 bool ImGui_ImplSDLSurface2_Init(SDL_Surface* surface)
 {
     if (!surface) return false;
+
+    ImGuiIO& io = ImGui::GetIO();
+    IM_ASSERT(io.BackendRendererName == nullptr && "Already initialized a renderer backend!");
+    io.BackendRendererName = "imgui_impl_sdlsurface2";
+    io.BackendFlags |= ImGuiBackendFlags_RendererHasTextures; 
+
     g_TargetSurface = surface;
     g_FontSurface = ImGui_ImplSDLSurface2_CreateFontAtlasSurface();
     if (g_FontSurface)
@@ -139,6 +145,10 @@ bool ImGui_ImplSDLSurface2_Init(SDL_Surface* surface)
 
 void ImGui_ImplSDLSurface2_Shutdown()
 {
+    ImGuiIO& io = ImGui::GetIO();
+    io.BackendRendererName = nullptr;
+    io.BackendFlags &= ~ImGuiBackendFlags_RendererHasTextures;
+
     ImGui::GetIO().Fonts->TexID = nullptr;
     if (g_FontSurface)
     {