From 3f150e03bfca4e0b253d3f404d2121682d078e97 Mon Sep 17 00:00:00 2001
From: Ben Doherty <bendoherty@google.com>
Date: Thu, 24 Oct 2024 12:33:11 -0700
Subject: [PATCH] Check that SwapChain is valid in endFrame (#8219)

---
 filament/src/details/Renderer.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/filament/src/details/Renderer.cpp b/filament/src/details/Renderer.cpp
index 12cc78a847..02fe8b70f4 100644
--- a/filament/src/details/Renderer.cpp
+++ b/filament/src/details/Renderer.cpp
@@ -407,6 +407,9 @@ void FRenderer::endFrame() {
         driver.debugThreading();
     }
 
+    FILAMENT_CHECK_PRECONDITION(engine.isValid(mSwapChain))
+            << "SwapChain must remain valid until endFrame is called.";
+
     if (mSwapChain) {
         mSwapChain->commit(driver);
         mSwapChain = nullptr;