From 525607bad68a18bcafbd6e99c2256e4ec5ee1ea0 Mon Sep 17 00:00:00 2001
From: BZLZHH <admin@bzlzhh.top>
Date: Sun, 23 Aug 2026 10:55:40 +0800
Subject: [PATCH] [Feat] (Diligent, EGL): release swap chain on EGL surface
 release

---
 MobileGL/MG_Backend/Diligent/BackendObject_Diligent.cpp | 7 +++++++
 MobileGL/MG_Backend/Diligent/BackendObject_Diligent.h   | 1 +
 2 files changed, 8 insertions(+)

diff --git a/MobileGL/MG_Backend/Diligent/BackendObject_Diligent.cpp b/MobileGL/MG_Backend/Diligent/BackendObject_Diligent.cpp
index a8b2a751..1ad583fe 100644
--- a/MobileGL/MG_Backend/Diligent/BackendObject_Diligent.cpp
+++ b/MobileGL/MG_Backend/Diligent/BackendObject_Diligent.cpp
@@ -841,6 +841,13 @@ namespace MobileGL::MG_Backend::DiligentBackend {
         BackendObject::ReleaseEGLResources();
     }
 
+    void BackendObject_Diligent::OnEGLSurfaceReleased(EGLSurface surface) {
+        (void)surface;
+        if (m_pRenderer != nullptr) {
+            m_pRenderer->ReleaseSwapChain();
+        }
+    }
+
     Bool BackendObject_Diligent::ResizeEGLWindowSurface(EGLSurface surface, Uint32 width, Uint32 height) {
         const std::lock_guard<std::recursive_mutex> lock(m_eglStateMutex);
         if (!BackendObject::ResizeEGLWindowSurface(surface, width, height)) {
diff --git a/MobileGL/MG_Backend/Diligent/BackendObject_Diligent.h b/MobileGL/MG_Backend/Diligent/BackendObject_Diligent.h
index e863c668..1bb21fd8 100644
--- a/MobileGL/MG_Backend/Diligent/BackendObject_Diligent.h
+++ b/MobileGL/MG_Backend/Diligent/BackendObject_Diligent.h
@@ -44,6 +44,7 @@ namespace MobileGL::MG_Backend::DiligentBackend {
         Bool InitWindowSurface() override;
         Bool InitPbufferSurface(EGLint width, EGLint height) override;
         Bool ResizeEGLWindowSurface(EGLSurface surface, Uint32 width, Uint32 height) override;
+        void OnEGLSurfaceReleased(EGLSurface surface) override;
 
         const RendererInfo& GetRendererInfo() const override;
         String GetBackendAPIVersionString() const override;